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PK     �ˆU]Š/t‹   ‹   '  vendor/composer/autoload_namespaces.phpnu „[µü¤        <?php

// autoload_namespaces.php @generated by Composer

$vendorDir = dirname(__DIR__);
$baseDir = dirname($vendorDir);

return array(
);
PK     �ˆU])|ƒPB  PB  %  vendor/composer/InstalledVersions.phpnu „[µü¤        <?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer;

use Composer\Autoload\ClassLoader;
use Composer\Semver\VersionParser;

/**
 * This class is copied in every Composer installed project and available to all
 *
 * See also https://getcomposer.org/doc/07-runtime.md#installed-versions
 *
 * To require its presence, you can require `composer-runtime-api ^2.0`
 *
 * @final
 */
class InstalledVersions
{
    /**
     * @var mixed[]|null
     * @psalm-var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}|array{}|null
     */
    private static $installed;

    /**
     * @var bool
     */
    private static $installedIsLocalDir;

    /**
     * @var bool|null
     */
    private static $canGetVendors;

    /**
     * @var array[]
     * @psalm-var array<string, array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
     */
    private static $installedByVendor = array();

    /**
     * Returns a list of all package names which are present, either by being installed, replaced or provided
     *
     * @return string[]
     * @psalm-return list<string>
     */
    public static function getInstalledPackages()
    {
        $packages = array();
        foreach (self::getInstalled() as $installed) {
            $packages[] = array_keys($installed['versions']);
        }

        if (1 === \count($packages)) {
            return $packages[0];
        }

        return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
    }

    /**
     * Returns a list of all package names with a specific type e.g. 'library'
     *
     * @param  string   $type
     * @return string[]
     * @psalm-return list<string>
     */
    public static function getInstalledPackagesByType($type)
    {
        $packagesByType = array();

        foreach (self::getInstalled() as $installed) {
            foreach ($installed['versions'] as $name => $package) {
                if (isset($package['type']) && $package['type'] === $type) {
                    $packagesByType[] = $name;
                }
            }
        }

        return $packagesByType;
    }

    /**
     * Checks whether the given package is installed
     *
     * This also returns true if the package name is provided or replaced by another package
     *
     * @param  string $packageName
     * @param  bool   $includeDevRequirements
     * @return bool
     */
    public static function isInstalled($packageName, $includeDevRequirements = true)
    {
        foreach (self::getInstalled() as $installed) {
            if (isset($installed['versions'][$packageName])) {
                return $includeDevRequirements || !isset($installed['versions'][$packageName]['dev_requirement']) || $installed['versions'][$packageName]['dev_requirement'] === false;
            }
        }

        return false;
    }

    /**
     * Checks whether the given package satisfies a version constraint
     *
     * e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
     *
     *   Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
     *
     * @param  VersionParser $parser      Install composer/semver to have access to this class and functionality
     * @param  string        $packageName
     * @param  string|null   $constraint  A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
     * @return bool
     */
    public static function satisfies(VersionParser $parser, $packageName, $constraint)
    {
        $constraint = $parser->parseConstraints((string) $constraint);
        $provided = $parser->parseConstraints(self::getVersionRanges($packageName));

        return $provided->matches($constraint);
    }

    /**
     * Returns a version constraint representing all the range(s) which are installed for a given package
     *
     * It is easier to use this via isInstalled() with the $constraint argument if you need to check
     * whether a given version of a package is installed, and not just whether it exists
     *
     * @param  string $packageName
     * @return string Version constraint usable with composer/semver
     */
    public static function getVersionRanges($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed['versions'][$packageName])) {
                continue;
            }

            $ranges = array();
            if (isset($installed['versions'][$packageName]['pretty_version'])) {
                $ranges[] = $installed['versions'][$packageName]['pretty_version'];
            }
            if (array_key_exists('aliases', $installed['versions'][$packageName])) {
                $ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
            }
            if (array_key_exists('replaced', $installed['versions'][$packageName])) {
                $ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
            }
            if (array_key_exists('provided', $installed['versions'][$packageName])) {
                $ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
            }

            return implode(' || ', $ranges);
        }

        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
     */
    public static function getVersion($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed['versions'][$packageName])) {
                continue;
            }

            if (!isset($installed['versions'][$packageName]['version'])) {
                return null;
            }

            return $installed['versions'][$packageName]['version'];
        }

        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
     */
    public static function getPrettyVersion($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed['versions'][$packageName])) {
                continue;
            }

            if (!isset($installed['versions'][$packageName]['pretty_version'])) {
                return null;
            }

            return $installed['versions'][$packageName]['pretty_version'];
        }

        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
     */
    public static function getReference($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed['versions'][$packageName])) {
                continue;
            }

            if (!isset($installed['versions'][$packageName]['reference'])) {
                return null;
            }

            return $installed['versions'][$packageName]['reference'];
        }

        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
    }

    /**
     * @param  string      $packageName
     * @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
     */
    public static function getInstallPath($packageName)
    {
        foreach (self::getInstalled() as $installed) {
            if (!isset($installed['versions'][$packageName])) {
                continue;
            }

            return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
        }

        throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
    }

    /**
     * @return array
     * @psalm-return array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}
     */
    public static function getRootPackage()
    {
        $installed = self::getInstalled();

        return $installed[0]['root'];
    }

    /**
     * Returns the raw installed.php data for custom implementations
     *
     * @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
     * @return array[]
     * @psalm-return array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}
     */
    public static function getRawData()
    {
        @trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);

        if (null === self::$installed) {
            // only require the installed.php file if this file is loaded from its dumped location,
            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
            if (substr(__DIR__, -8, 1) !== 'C') {
                self::$installed = include __DIR__ . '/installed.php';
            } else {
                self::$installed = array();
            }
        }

        return self::$installed;
    }

    /**
     * Returns the raw data of all installed.php which are currently loaded for custom implementations
     *
     * @return array[]
     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
     */
    public static function getAllRawData()
    {
        return self::getInstalled();
    }

    /**
     * Lets you reload the static array from another file
     *
     * This is only useful for complex integrations in which a project needs to use
     * this class but then also needs to execute another project's autoloader in process,
     * and wants to ensure both projects have access to their version of installed.php.
     *
     * A typical case would be PHPUnit, where it would need to make sure it reads all
     * the data it needs from this class, then call reload() with
     * `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
     * the project in which it runs can then also use this class safely, without
     * interference between PHPUnit's dependencies and the project's dependencies.
     *
     * @param  array[] $data A vendor/composer/installed.php data set
     * @return void
     *
     * @psalm-param array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $data
     */
    public static function reload($data)
    {
        self::$installed = $data;
        self::$installedByVendor = array();

        // when using reload, we disable the duplicate protection to ensure that self::$installed data is
        // always returned, but we cannot know whether it comes from the installed.php in __DIR__ or not,
        // so we have to assume it does not, and that may result in duplicate data being returned when listing
        // all installed packages for example
        self::$installedIsLocalDir = false;
    }

    /**
     * @return array[]
     * @psalm-return list<array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>}>
     */
    private static function getInstalled()
    {
        if (null === self::$canGetVendors) {
            self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
        }

        $installed = array();
        $copiedLocalDir = false;

        if (self::$canGetVendors) {
            $selfDir = strtr(__DIR__, '\\', '/');
            foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
                $vendorDir = strtr($vendorDir, '\\', '/');
                if (isset(self::$installedByVendor[$vendorDir])) {
                    $installed[] = self::$installedByVendor[$vendorDir];
                } elseif (is_file($vendorDir.'/composer/installed.php')) {
                    /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
                    $required = require $vendorDir.'/composer/installed.php';
                    self::$installedByVendor[$vendorDir] = $required;
                    $installed[] = $required;
                    if (self::$installed === null && $vendorDir.'/composer' === $selfDir) {
                        self::$installed = $required;
                        self::$installedIsLocalDir = true;
                    }
                }
                if (self::$installedIsLocalDir && $vendorDir.'/composer' === $selfDir) {
                    $copiedLocalDir = true;
                }
            }
        }

        if (null === self::$installed) {
            // only require the installed.php file if this file is loaded from its dumped location,
            // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
            if (substr(__DIR__, -8, 1) !== 'C') {
                /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
                $required = require __DIR__ . '/installed.php';
                self::$installed = $required;
            } else {
                self::$installed = array();
            }
        }

        if (self::$installed !== array() && !$copiedLocalDir) {
            $installed[] = self::$installed;
        }

        return $installed;
    }
}
PK     �ˆU] Õ.  .    vendor/composer/LICENSEnu „[µü¤        
Copyright (c) Nils Adermann, Jordi Boggiano

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

PK     �ˆU]-CgÙ«  «  %  vendor/composer/autoload_classmap.phpnu „[µü¤        <?php

// autoload_classmap.php @generated by Composer

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$baseDir = dirname($vendorDir);

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    'Google_AuthHandler_Guzzle7AuthHandler' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Client' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Collection' => $vendorDir . '/google/apiclient/src/aliases.php',
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    'Google_Http_MediaFileUpload' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Http_REST' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Model' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Service' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Service_Exception' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Service_Resource' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Task_Composer' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Task_Exception' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Task_Retryable' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Task_Runner' => $vendorDir . '/google/apiclient/src/aliases.php',
    'Google_Utils_UriTemplate' => $vendorDir . '/google/apiclient/src/aliases.php',
);
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            "require-dev": {
                "php-coveralls/php-coveralls": "^2.1",
                "phpunit/phpunit": "^5 || ^6.5"
            },
            "time": "2019-03-08T08:55:37+00:00",
            "type": "library",
            "installation-source": "dist",
            "autoload": {
                "files": [
                    "src/getallheaders.php"
                ]
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "MIT"
            ],
            "authors": [
                {
                    "name": "Ralph Khattar",
                    "email": "ralph.khattar@gmail.com"
                }
            ],
            "description": "A polyfill for getallheaders.",
            "support": {
                "issues": "https://github.com/ralouphie/getallheaders/issues",
                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
            },
            "install-path": "../ralouphie/getallheaders"
        },
        {
            "name": "symfony/deprecation-contracts",
            "version": "v2.5.1",
            "version_normalized": "2.5.1.0",
            "source": {
                "type": "git",
                "url": "https://github.com/symfony/deprecation-contracts.git",
                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66"
            },
            "dist": {
                "type": "zip",
                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
                "reference": "e8b495ea28c1d97b5e0c121748d6f9b53d075c66",
                "shasum": ""
            },
            "require": {
                "php": ">=7.1"
            },
            "time": "2022-01-02T09:53:40+00:00",
            "type": "library",
            "extra": {
                "branch-alias": {
                    "dev-main": "2.5-dev"
                },
                "thanks": {
                    "name": "symfony/contracts",
                    "url": "https://github.com/symfony/contracts"
                }
            },
            "installation-source": "dist",
            "autoload": {
                "files": [
                    "function.php"
                ]
            },
            "notification-url": "https://packagist.org/downloads/",
            "license": [
                "MIT"
            ],
            "authors": [
                {
                    "name": "Nicolas Grekas",
                    "email": "p@tchwork.com"
                },
                {
                    "name": "Symfony Community",
                    "homepage": "https://symfony.com/contributors"
                }
            ],
            "description": "A generic function and convention to trigger deprecation notices",
            "homepage": "https://symfony.com",
            "support": {
                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.1"
            },
            "funding": [
                {
                    "url": "https://symfony.com/sponsor",
                    "type": "custom"
                },
                {
                    "url": "https://github.com/fabpot",
                    "type": "github"
                },
                {
                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                    "type": "tidelift"
                }
            ],
            "install-path": "../symfony/deprecation-contracts"
        }
    ],
    "dev": true,
    "dev-package-names": []
}
PK     �ˆU]UéÛÔ�  �  "  vendor/composer/platform_check.phpnu „[µü¤        <?php

// platform_check.php @generated by Composer

$issues = array();

if (!(PHP_VERSION_ID >= 70205)) {
    $issues[] = 'Your Composer dependencies require a PHP version ">= 7.2.5". You are running ' . PHP_VERSION . '.';
}

if ($issues) {
    if (!headers_sent()) {
        header('HTTP/1.1 500 Internal Server Error');
    }
    if (!ini_get('display_errors')) {
        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
            fwrite(STDERR, 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . implode(PHP_EOL, $issues) . PHP_EOL.PHP_EOL);
        } elseif (!headers_sent()) {
            echo 'Composer detected issues in your platform:' . PHP_EOL.PHP_EOL . str_replace('You are running '.PHP_VERSION.'.', '', implode(PHP_EOL, $issues)) . PHP_EOL.PHP_EOL;
        }
    }
    trigger_error(
        'Composer detected issues in your platform: ' . implode(' ', $issues),
        E_USER_ERROR
    );
}
PK     �ˆU]‹�Só  ó  #  vendor/composer/autoload_static.phpnu „[µü¤        <?php

// autoload_static.php @generated by Composer

namespace Composer\Autoload;

class ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882
{
    public static $files = array (
        '7b11c4dc42b3b3023073cb14e519683c' => __DIR__ . '/..' . '/ralouphie/getallheaders/src/getallheaders.php',
        'a0edc8309cc5e1d60e3047b5df6b7052' => __DIR__ . '/..' . '/guzzlehttp/psr7/src/functions_include.php',
        'c964ee0ededf28c96ebd9db5099ef910' => __DIR__ . '/..' . '/guzzlehttp/promises/src/functions_include.php',
        '6e3fae29631ef280660b3cdad06f25a8' => __DIR__ . '/..' . '/symfony/deprecation-contracts/function.php',
        '37a3dc5111fe8f707ab4c132ef1dbc62' => __DIR__ . '/..' . '/guzzlehttp/guzzle/src/functions_include.php',
        '1f87db08236948d07391152dccb70f04' => __DIR__ . '/..' . '/google/apiclient-services/autoload.php',
        'decc78cc4436b1292c6c0d151b19445c' => __DIR__ . '/..' . '/phpseclib/phpseclib/phpseclib/bootstrap.php',
        'a8d3953fd9959404dd22d3dfcd0a79f0' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
    );

    public static $prefixLengthsPsr4 = array (
        'p' => 
        array (
            'phpseclib3\\' => 11,
        ),
        'P' => 
        array (
            'Psr\\Log\\' => 8,
            'Psr\\Http\\Message\\' => 17,
            'Psr\\Http\\Client\\' => 16,
            'Psr\\Cache\\' => 10,
            'ParagonIE\\ConstantTime\\' => 23,
        ),
        'M' => 
        array (
            'Monolog\\' => 8,
        ),
        'G' => 
        array (
            'GuzzleHttp\\Psr7\\' => 16,
            'GuzzleHttp\\Promise\\' => 19,
            'GuzzleHttp\\' => 11,
            'Google\\Service\\' => 15,
            'Google\\Auth\\' => 12,
            'Google\\' => 7,
        ),
        'F' => 
        array (
            'Firebase\\JWT\\' => 13,
        ),
    );

    public static $prefixDirsPsr4 = array (
        'phpseclib3\\' => 
        array (
            0 => __DIR__ . '/..' . '/phpseclib/phpseclib/phpseclib',
        ),
        'Psr\\Log\\' => 
        array (
            0 => __DIR__ . '/..' . '/psr/log/Psr/Log',
        ),
        'Psr\\Http\\Message\\' => 
        array (
            0 => __DIR__ . '/..' . '/psr/http-message/src',
        ),
        'Psr\\Http\\Client\\' => 
        array (
            0 => __DIR__ . '/..' . '/psr/http-client/src',
        ),
        'Psr\\Cache\\' => 
        array (
            0 => __DIR__ . '/..' . '/psr/cache/src',
        ),
        'ParagonIE\\ConstantTime\\' => 
        array (
            0 => __DIR__ . '/..' . '/paragonie/constant_time_encoding/src',
        ),
        'Monolog\\' => 
        array (
            0 => __DIR__ . '/..' . '/monolog/monolog/src/Monolog',
        ),
        'GuzzleHttp\\Psr7\\' => 
        array (
            0 => __DIR__ . '/..' . '/guzzlehttp/psr7/src',
        ),
        'GuzzleHttp\\Promise\\' => 
        array (
            0 => __DIR__ . '/..' . '/guzzlehttp/promises/src',
        ),
        'GuzzleHttp\\' => 
        array (
            0 => __DIR__ . '/..' . '/guzzlehttp/guzzle/src',
        ),
        'Google\\Service\\' => 
        array (
            0 => __DIR__ . '/..' . '/google/apiclient-services/src',
        ),
        'Google\\Auth\\' => 
        array (
            0 => __DIR__ . '/..' . '/google/auth/src',
        ),
        'Google\\' => 
        array (
            0 => __DIR__ . '/..' . '/google/apiclient/src',
        ),
        'Firebase\\JWT\\' => 
        array (
            0 => __DIR__ . '/..' . '/firebase/php-jwt/src',
        ),
    );

    public static $classMap = array (
        'Composer\\InstalledVersions' => __DIR__ . '/..' . '/composer/InstalledVersions.php',
        'Google_AccessToken_Revoke' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_AccessToken_Verify' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_AuthHandler_AuthHandlerFactory' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_AuthHandler_Guzzle5AuthHandler' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_AuthHandler_Guzzle6AuthHandler' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_AuthHandler_Guzzle7AuthHandler' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Client' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Collection' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Exception' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Http_Batch' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Http_MediaFileUpload' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Http_REST' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Model' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Service' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Service_Exception' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Service_Resource' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Task_Composer' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Task_Exception' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Task_Retryable' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Task_Runner' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
        'Google_Utils_UriTemplate' => __DIR__ . '/..' . '/google/apiclient/src/aliases.php',
    );

    public static function getInitializer(ClassLoader $loader)
    {
        return \Closure::bind(function () use ($loader) {
            $loader->prefixLengthsPsr4 = ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882::$prefixLengthsPsr4;
            $loader->prefixDirsPsr4 = ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882::$prefixDirsPsr4;
            $loader->classMap = ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882::$classMap;

        }, null, ClassLoader::class);
    }
}
PK     �ˆU]2@uú?  ú?    vendor/composer/ClassLoader.phpnu „[µü¤        <?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Autoload;

/**
 * ClassLoader implements a PSR-0, PSR-4 and classmap class loader.
 *
 *     $loader = new \Composer\Autoload\ClassLoader();
 *
 *     // register classes with namespaces
 *     $loader->add('Symfony\Component', __DIR__.'/component');
 *     $loader->add('Symfony',           __DIR__.'/framework');
 *
 *     // activate the autoloader
 *     $loader->register();
 *
 *     // to enable searching the include path (eg. for PEAR packages)
 *     $loader->setUseIncludePath(true);
 *
 * In this example, if you try to use a class in the Symfony\Component
 * namespace or one of its children (Symfony\Component\Console for instance),
 * the autoloader will first look for the class under the component/
 * directory, and it will then fallback to the framework/ directory if not
 * found before giving up.
 *
 * This class is loosely based on the Symfony UniversalClassLoader.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @see    https://www.php-fig.org/psr/psr-0/
 * @see    https://www.php-fig.org/psr/psr-4/
 */
class ClassLoader
{
    /** @var \Closure(string):void */
    private static $includeFile;

    /** @var string|null */
    private $vendorDir;

    // PSR-4
    /**
     * @var array<string, array<string, int>>
     */
    private $prefixLengthsPsr4 = array();
    /**
     * @var array<string, list<string>>
     */
    private $prefixDirsPsr4 = array();
    /**
     * @var list<string>
     */
    private $fallbackDirsPsr4 = array();

    // PSR-0
    /**
     * List of PSR-0 prefixes
     *
     * Structured as array('F (first letter)' => array('Foo\Bar (full prefix)' => array('path', 'path2')))
     *
     * @var array<string, array<string, list<string>>>
     */
    private $prefixesPsr0 = array();
    /**
     * @var list<string>
     */
    private $fallbackDirsPsr0 = array();

    /** @var bool */
    private $useIncludePath = false;

    /**
     * @var array<string, string>
     */
    private $classMap = array();

    /** @var bool */
    private $classMapAuthoritative = false;

    /**
     * @var array<string, bool>
     */
    private $missingClasses = array();

    /** @var string|null */
    private $apcuPrefix;

    /**
     * @var array<string, self>
     */
    private static $registeredLoaders = array();

    /**
     * @param string|null $vendorDir
     */
    public function __construct($vendorDir = null)
    {
        $this->vendorDir = $vendorDir;
        self::initializeIncludeClosure();
    }

    /**
     * @return array<string, list<string>>
     */
    public function getPrefixes()
    {
        if (!empty($this->prefixesPsr0)) {
            return call_user_func_array('array_merge', array_values($this->prefixesPsr0));
        }

        return array();
    }

    /**
     * @return array<string, list<string>>
     */
    public function getPrefixesPsr4()
    {
        return $this->prefixDirsPsr4;
    }

    /**
     * @return list<string>
     */
    public function getFallbackDirs()
    {
        return $this->fallbackDirsPsr0;
    }

    /**
     * @return list<string>
     */
    public function getFallbackDirsPsr4()
    {
        return $this->fallbackDirsPsr4;
    }

    /**
     * @return array<string, string> Array of classname => path
     */
    public function getClassMap()
    {
        return $this->classMap;
    }

    /**
     * @param array<string, string> $classMap Class to filename map
     *
     * @return void
     */
    public function addClassMap(array $classMap)
    {
        if ($this->classMap) {
            $this->classMap = array_merge($this->classMap, $classMap);
        } else {
            $this->classMap = $classMap;
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix, either
     * appending or prepending to the ones previously set for this prefix.
     *
     * @param string              $prefix  The prefix
     * @param list<string>|string $paths   The PSR-0 root directories
     * @param bool                $prepend Whether to prepend the directories
     *
     * @return void
     */
    public function add($prefix, $paths, $prepend = false)
    {
        $paths = (array) $paths;
        if (!$prefix) {
            if ($prepend) {
                $this->fallbackDirsPsr0 = array_merge(
                    $paths,
                    $this->fallbackDirsPsr0
                );
            } else {
                $this->fallbackDirsPsr0 = array_merge(
                    $this->fallbackDirsPsr0,
                    $paths
                );
            }

            return;
        }

        $first = $prefix[0];
        if (!isset($this->prefixesPsr0[$first][$prefix])) {
            $this->prefixesPsr0[$first][$prefix] = $paths;

            return;
        }
        if ($prepend) {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                $paths,
                $this->prefixesPsr0[$first][$prefix]
            );
        } else {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                $this->prefixesPsr0[$first][$prefix],
                $paths
            );
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace, either
     * appending or prepending to the ones previously set for this namespace.
     *
     * @param string              $prefix  The prefix/namespace, with trailing '\\'
     * @param list<string>|string $paths   The PSR-4 base directories
     * @param bool                $prepend Whether to prepend the directories
     *
     * @throws \InvalidArgumentException
     *
     * @return void
     */
    public function addPsr4($prefix, $paths, $prepend = false)
    {
        $paths = (array) $paths;
        if (!$prefix) {
            // Register directories for the root namespace.
            if ($prepend) {
                $this->fallbackDirsPsr4 = array_merge(
                    $paths,
                    $this->fallbackDirsPsr4
                );
            } else {
                $this->fallbackDirsPsr4 = array_merge(
                    $this->fallbackDirsPsr4,
                    $paths
                );
            }
        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
            // Register directories for a new namespace.
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = $paths;
        } elseif ($prepend) {
            // Prepend directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                $paths,
                $this->prefixDirsPsr4[$prefix]
            );
        } else {
            // Append directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                $this->prefixDirsPsr4[$prefix],
                $paths
            );
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix,
     * replacing any others previously set for this prefix.
     *
     * @param string              $prefix The prefix
     * @param list<string>|string $paths  The PSR-0 base directories
     *
     * @return void
     */
    public function set($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr0 = (array) $paths;
        } else {
            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace,
     * replacing any others previously set for this namespace.
     *
     * @param string              $prefix The prefix/namespace, with trailing '\\'
     * @param list<string>|string $paths  The PSR-4 base directories
     *
     * @throws \InvalidArgumentException
     *
     * @return void
     */
    public function setPsr4($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr4 = (array) $paths;
        } else {
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        }
    }

    /**
     * Turns on searching the include path for class files.
     *
     * @param bool $useIncludePath
     *
     * @return void
     */
    public function setUseIncludePath($useIncludePath)
    {
        $this->useIncludePath = $useIncludePath;
    }

    /**
     * Can be used to check if the autoloader uses the include path to check
     * for classes.
     *
     * @return bool
     */
    public function getUseIncludePath()
    {
        return $this->useIncludePath;
    }

    /**
     * Turns off searching the prefix and fallback directories for classes
     * that have not been registered with the class map.
     *
     * @param bool $classMapAuthoritative
     *
     * @return void
     */
    public function setClassMapAuthoritative($classMapAuthoritative)
    {
        $this->classMapAuthoritative = $classMapAuthoritative;
    }

    /**
     * Should class lookup fail if not found in the current class map?
     *
     * @return bool
     */
    public function isClassMapAuthoritative()
    {
        return $this->classMapAuthoritative;
    }

    /**
     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
     *
     * @param string|null $apcuPrefix
     *
     * @return void
     */
    public function setApcuPrefix($apcuPrefix)
    {
        $this->apcuPrefix = function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) ? $apcuPrefix : null;
    }

    /**
     * The APCu prefix in use, or null if APCu caching is not enabled.
     *
     * @return string|null
     */
    public function getApcuPrefix()
    {
        return $this->apcuPrefix;
    }

    /**
     * Registers this instance as an autoloader.
     *
     * @param bool $prepend Whether to prepend the autoloader or not
     *
     * @return void
     */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this, 'loadClass'), true, $prepend);

        if (null === $this->vendorDir) {
            return;
        }

        if ($prepend) {
            self::$registeredLoaders = array($this->vendorDir => $this) + self::$registeredLoaders;
        } else {
            unset(self::$registeredLoaders[$this->vendorDir]);
            self::$registeredLoaders[$this->vendorDir] = $this;
        }
    }

    /**
     * Unregisters this instance as an autoloader.
     *
     * @return void
     */
    public function unregister()
    {
        spl_autoload_unregister(array($this, 'loadClass'));

        if (null !== $this->vendorDir) {
            unset(self::$registeredLoaders[$this->vendorDir]);
        }
    }

    /**
     * Loads the given class or interface.
     *
     * @param  string    $class The name of the class
     * @return true|null True if loaded, null otherwise
     */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            $includeFile = self::$includeFile;
            $includeFile($file);

            return true;
        }

        return null;
    }

    /**
     * Finds the path to the file where the class is defined.
     *
     * @param string $class The name of the class
     *
     * @return string|false The path if found, false otherwise
     */
    public function findFile($class)
    {
        // class map lookup
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
            return false;
        }
        if (null !== $this->apcuPrefix) {
            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
            if ($hit) {
                return $file;
            }
        }

        $file = $this->findFileWithExtension($class, '.php');

        // Search for Hack files if we are running on HHVM
        if (false === $file && defined('HHVM_VERSION')) {
            $file = $this->findFileWithExtension($class, '.hh');
        }

        if (null !== $this->apcuPrefix) {
            apcu_add($this->apcuPrefix.$class, $file);
        }

        if (false === $file) {
            // Remember that this class does not exist.
            $this->missingClasses[$class] = true;
        }

        return $file;
    }

    /**
     * Returns the currently registered loaders keyed by their corresponding vendor directories.
     *
     * @return array<string, self>
     */
    public static function getRegisteredLoaders()
    {
        return self::$registeredLoaders;
    }

    /**
     * @param  string       $class
     * @param  string       $ext
     * @return string|false
     */
    private function findFileWithExtension($class, $ext)
    {
        // PSR-4 lookup
        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;

        $first = $class[0];
        if (isset($this->prefixLengthsPsr4[$first])) {
            $subPath = $class;
            while (false !== $lastPos = strrpos($subPath, '\\')) {
                $subPath = substr($subPath, 0, $lastPos);
                $search = $subPath . '\\';
                if (isset($this->prefixDirsPsr4[$search])) {
                    $pathEnd = DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $lastPos + 1);
                    foreach ($this->prefixDirsPsr4[$search] as $dir) {
                        if (file_exists($file = $dir . $pathEnd)) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-4 fallback dirs
        foreach ($this->fallbackDirsPsr4 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
                return $file;
            }
        }

        // PSR-0 lookup
        if (false !== $pos = strrpos($class, '\\')) {
            // namespaced class name
            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
        } else {
            // PEAR-like class name
            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
        }

        if (isset($this->prefixesPsr0[$first])) {
            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
                if (0 === strpos($class, $prefix)) {
                    foreach ($dirs as $dir) {
                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-0 fallback dirs
        foreach ($this->fallbackDirsPsr0 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                return $file;
            }
        }

        // PSR-0 include paths.
        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
            return $file;
        }

        return false;
    }

    /**
     * @return void
     */
    private static function initializeIncludeClosure()
    {
        if (self::$includeFile !== null) {
            return;
        }

        /**
         * Scope isolated include.
         *
         * Prevents access to $this/self from included files.
         *
         * @param  string $file
         * @return void
         */
        self::$includeFile = \Closure::bind(static function($file) {
            include $file;
        }, null, null);
    }
}
PK     �ˆU]]óû¦u  u  !  vendor/composer/autoload_psr4.phpnu „[µü¤        <?php

// autoload_psr4.php @generated by Composer

$vendorDir = dirname(__DIR__);
$baseDir = dirname($vendorDir);

return array(
    'phpseclib3\\' => array($vendorDir . '/phpseclib/phpseclib/phpseclib'),
    'Psr\\Log\\' => array($vendorDir . '/psr/log/Psr/Log'),
    'Psr\\Http\\Message\\' => array($vendorDir . '/psr/http-message/src'),
    'Psr\\Http\\Client\\' => array($vendorDir . '/psr/http-client/src'),
    'Psr\\Cache\\' => array($vendorDir . '/psr/cache/src'),
    'ParagonIE\\ConstantTime\\' => array($vendorDir . '/paragonie/constant_time_encoding/src'),
    'Monolog\\' => array($vendorDir . '/monolog/monolog/src/Monolog'),
    'GuzzleHttp\\Psr7\\' => array($vendorDir . '/guzzlehttp/psr7/src'),
    'GuzzleHttp\\Promise\\' => array($vendorDir . '/guzzlehttp/promises/src'),
    'GuzzleHttp\\' => array($vendorDir . '/guzzlehttp/guzzle/src'),
    'Google\\Service\\' => array($vendorDir . '/google/apiclient-services/src'),
    'Google\\Auth\\' => array($vendorDir . '/google/auth/src'),
    'Google\\' => array($vendorDir . '/google/apiclient/src'),
    'Firebase\\JWT\\' => array($vendorDir . '/firebase/php-jwt/src'),
);
PK     �ˆU]¾K\F¯  ¯  "  vendor/composer/autoload_files.phpnu „[µü¤        <?php

// autoload_files.php @generated by Composer

$vendorDir = dirname(__DIR__);
$baseDir = dirname($vendorDir);

return array(
    '7b11c4dc42b3b3023073cb14e519683c' => $vendorDir . '/ralouphie/getallheaders/src/getallheaders.php',
    'a0edc8309cc5e1d60e3047b5df6b7052' => $vendorDir . '/guzzlehttp/psr7/src/functions_include.php',
    'c964ee0ededf28c96ebd9db5099ef910' => $vendorDir . '/guzzlehttp/promises/src/functions_include.php',
    '6e3fae29631ef280660b3cdad06f25a8' => $vendorDir . '/symfony/deprecation-contracts/function.php',
    '37a3dc5111fe8f707ab4c132ef1dbc62' => $vendorDir . '/guzzlehttp/guzzle/src/functions_include.php',
    '1f87db08236948d07391152dccb70f04' => $vendorDir . '/google/apiclient-services/autoload.php',
    'decc78cc4436b1292c6c0d151b19445c' => $vendorDir . '/phpseclib/phpseclib/phpseclib/bootstrap.php',
    'a8d3953fd9959404dd22d3dfcd0a79f0' => $vendorDir . '/google/apiclient/src/aliases.php',
);
PK     ‘ˆU]mŒÃ  Ã    vendor/composer/installed.phpnu „[µü¤        <?php return array(
    'root' => array(
        'name' => '__root__',
        'pretty_version' => 'dev-master',
        'version' => 'dev-master',
        'reference' => '36ff50ea3fed3c3e02fc453b03b02f7f7bf9779c',
        'type' => 'library',
        'install_path' => __DIR__ . '/../../',
        'aliases' => array(),
        'dev' => true,
    ),
    'versions' => array(
        '__root__' => array(
            'pretty_version' => 'dev-master',
            'version' => 'dev-master',
            'reference' => '36ff50ea3fed3c3e02fc453b03b02f7f7bf9779c',
            'type' => 'library',
            'install_path' => __DIR__ . '/../../',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'firebase/php-jwt' => array(
            'pretty_version' => 'v6.2.0',
            'version' => '6.2.0.0',
            'reference' => 'd28e6df83830252650da4623c78aaaf98fb385f3',
            'type' => 'library',
            'install_path' => __DIR__ . '/../firebase/php-jwt',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'google/apiclient' => array(
            'pretty_version' => 'v2.12.5',
            'version' => '2.12.5.0',
            'reference' => 'eb10f733eb0ebec058776cda206009d01af9f9e3',
            'type' => 'library',
            'install_path' => __DIR__ . '/../google/apiclient',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'google/apiclient-services' => array(
            'pretty_version' => 'v0.251.0',
            'version' => '0.251.0.0',
            'reference' => '73b7a41113bd6b5ae2d42795dbe0d76e0c482782',
            'type' => 'library',
            'install_path' => __DIR__ . '/../google/apiclient-services',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'google/auth' => array(
            'pretty_version' => 'v1.21.0',
            'version' => '1.21.0.0',
            'reference' => '73392bad2eb6852eea9084b6bbdec752515cb849',
            'type' => 'library',
            'install_path' => __DIR__ . '/../google/auth',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'guzzlehttp/guzzle' => array(
            'pretty_version' => '7.4.4',
            'version' => '7.4.4.0',
            'reference' => 'e3ff079b22820c2029d4c2a87796b6a0b8716ad8',
            'type' => 'library',
            'install_path' => __DIR__ . '/../guzzlehttp/guzzle',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'guzzlehttp/promises' => array(
            'pretty_version' => '1.5.1',
            'version' => '1.5.1.0',
            'reference' => 'fe752aedc9fd8fcca3fe7ad05d419d32998a06da',
            'type' => 'library',
            'install_path' => __DIR__ . '/../guzzlehttp/promises',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'guzzlehttp/psr7' => array(
            'pretty_version' => '1.8.5',
            'version' => '1.8.5.0',
            'reference' => '337e3ad8e5716c15f9657bd214d16cc5e69df268',
            'type' => 'library',
            'install_path' => __DIR__ . '/../guzzlehttp/psr7',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'monolog/monolog' => array(
            'pretty_version' => '2.6.0',
            'version' => '2.6.0.0',
            'reference' => '247918972acd74356b0a91dfaa5adcaec069b6c0',
            'type' => 'library',
            'install_path' => __DIR__ . '/../monolog/monolog',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'paragonie/constant_time_encoding' => array(
            'pretty_version' => 'v2.5.0',
            'version' => '2.5.0.0',
            'reference' => '9229e15f2e6ba772f0c55dd6986c563b937170a8',
            'type' => 'library',
            'install_path' => __DIR__ . '/../paragonie/constant_time_encoding',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'paragonie/random_compat' => array(
            'pretty_version' => 'v9.99.100',
            'version' => '9.99.100.0',
            'reference' => '996434e5492cb4c3edcb9168db6fbb1359ef965a',
            'type' => 'library',
            'install_path' => __DIR__ . '/../paragonie/random_compat',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'phpseclib/phpseclib' => array(
            'pretty_version' => '3.0.14',
            'version' => '3.0.14.0',
            'reference' => '2f0b7af658cbea265cbb4a791d6c29a6613f98ef',
            'type' => 'library',
            'install_path' => __DIR__ . '/../phpseclib/phpseclib',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'psr/cache' => array(
            'pretty_version' => '1.0.1',
            'version' => '1.0.1.0',
            'reference' => 'd11b50ad223250cf17b86e38383413f5a6764bf8',
            'type' => 'library',
            'install_path' => __DIR__ . '/../psr/cache',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'psr/http-client' => array(
            'pretty_version' => '1.0.1',
            'version' => '1.0.1.0',
            'reference' => '2dfb5f6c5eff0e91e20e913f8c5452ed95b86621',
            'type' => 'library',
            'install_path' => __DIR__ . '/../psr/http-client',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'psr/http-client-implementation' => array(
            'dev_requirement' => false,
            'provided' => array(
                0 => '1.0',
            ),
        ),
        'psr/http-message' => array(
            'pretty_version' => '1.0.1',
            'version' => '1.0.1.0',
            'reference' => 'f6561bf28d520154e4b0ec72be95418abe6d9363',
            'type' => 'library',
            'install_path' => __DIR__ . '/../psr/http-message',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'psr/http-message-implementation' => array(
            'dev_requirement' => false,
            'provided' => array(
                0 => '1.0',
            ),
        ),
        'psr/log' => array(
            'pretty_version' => '1.1.4',
            'version' => '1.1.4.0',
            'reference' => 'd49695b909c3b7628b6289db5479a1c204601f11',
            'type' => 'library',
            'install_path' => __DIR__ . '/../psr/log',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'psr/log-implementation' => array(
            'dev_requirement' => false,
            'provided' => array(
                0 => '1.0.0 || 2.0.0 || 3.0.0',
            ),
        ),
        'ralouphie/getallheaders' => array(
            'pretty_version' => '3.0.3',
            'version' => '3.0.3.0',
            'reference' => '120b605dfeb996808c31b6477290a714d356e822',
            'type' => 'library',
            'install_path' => __DIR__ . '/../ralouphie/getallheaders',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
        'symfony/deprecation-contracts' => array(
            'pretty_version' => 'v2.5.1',
            'version' => '2.5.1.0',
            'reference' => 'e8b495ea28c1d97b5e0c121748d6f9b53d075c66',
            'type' => 'library',
            'install_path' => __DIR__ . '/../symfony/deprecation-contracts',
            'aliases' => array(),
            'dev_requirement' => false,
        ),
    ),
);
PK     ‘ˆU]À»¨Ñˆ  ˆ  !  vendor/composer/autoload_real.phpnu „[µü¤        <?php

// autoload_real.php @generated by Composer

class ComposerAutoloaderInit1cfac4bac5a1827f26c0b477558bd882
{
    private static $loader;

    public static function loadClassLoader($class)
    {
        if ('Composer\Autoload\ClassLoader' === $class) {
            require __DIR__ . '/ClassLoader.php';
        }
    }

    /**
     * @return \Composer\Autoload\ClassLoader
     */
    public static function getLoader()
    {
        if (null !== self::$loader) {
            return self::$loader;
        }

        require __DIR__ . '/platform_check.php';

        spl_autoload_register(array('ComposerAutoloaderInit1cfac4bac5a1827f26c0b477558bd882', 'loadClassLoader'), true, true);
        self::$loader = $loader = new \Composer\Autoload\ClassLoader(\dirname(__DIR__));
        spl_autoload_unregister(array('ComposerAutoloaderInit1cfac4bac5a1827f26c0b477558bd882', 'loadClassLoader'));

        require __DIR__ . '/autoload_static.php';
        call_user_func(\Composer\Autoload\ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882::getInitializer($loader));

        $loader->register(true);

        $filesToLoad = \Composer\Autoload\ComposerStaticInit1cfac4bac5a1827f26c0b477558bd882::$files;
        $requireFile = \Closure::bind(static function ($fileIdentifier, $file) {
            if (empty($GLOBALS['__composer_autoload_files'][$fileIdentifier])) {
                $GLOBALS['__composer_autoload_files'][$fileIdentifier] = true;

                require $file;
            }
        }, null, null);
        foreach ($filesToLoad as $fileIdentifier => $file) {
            $requireFile($fileIdentifier, $file);
        }

        return $loader;
    }
}
PK     ‘ˆU]ƒÕ‡„´  ´     vendor/guzzlehttp/guzzle/LICENSEnu „[µü¤        The MIT License (MIT)

Copyright (c) 2011 Michael Dowling <mtdowling@gmail.com>
Copyright (c) 2012 Jeremy Lindblom <jeremeamia@gmail.com>
Copyright (c) 2014 Graham Campbell <hello@gjcampbell.co.uk>
Copyright (c) 2015 MÃ¡rk SÃ¡gi-KazÃ¡r <mark.sagikazar@gmail.com>
Copyright (c) 2015 Tobias Schultze <webmaster@tubo-world.de>
Copyright (c) 2016 Tobias Nyholm <tobias.nyholm@gmail.com>
Copyright (c) 2016 George Mponos <gmponos@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     ‘ˆU]?Ûö"  "  -  vendor/guzzlehttp/guzzle/src/HandlerStack.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Creates a composed Guzzle handler function by stacking middlewares on top of
 * an HTTP handler function.
 *
 * @final
 */
class HandlerStack
{
    /**
     * @var (callable(RequestInterface, array): PromiseInterface)|null
     */
    private $handler;

    /**
     * @var array{(callable(callable(RequestInterface, array): PromiseInterface): callable), (string|null)}[]
     */
    private $stack = [];

    /**
     * @var (callable(RequestInterface, array): PromiseInterface)|null
     */
    private $cached;

    /**
     * Creates a default handler stack that can be used by clients.
     *
     * The returned handler will wrap the provided handler or use the most
     * appropriate default handler for your system. The returned HandlerStack has
     * support for cookies, redirects, HTTP error exceptions, and preparing a body
     * before sending.
     *
     * The returned handler stack can be passed to a client in the "handler"
     * option.
     *
     * @param (callable(RequestInterface, array): PromiseInterface)|null $handler HTTP handler function to use with the stack. If no
     *                                                                            handler is provided, the best handler for your
     *                                                                            system will be utilized.
     */
    public static function create(?callable $handler = null): self
    {
        $stack = new self($handler ?: Utils::chooseHandler());
        $stack->push(Middleware::httpErrors(), 'http_errors');
        $stack->push(Middleware::redirect(), 'allow_redirects');
        $stack->push(Middleware::cookies(), 'cookies');
        $stack->push(Middleware::prepareBody(), 'prepare_body');

        return $stack;
    }

    /**
     * @param (callable(RequestInterface, array): PromiseInterface)|null $handler Underlying HTTP handler.
     */
    public function __construct(callable $handler = null)
    {
        $this->handler = $handler;
    }

    /**
     * Invokes the handler stack as a composed handler
     *
     * @return ResponseInterface|PromiseInterface
     */
    public function __invoke(RequestInterface $request, array $options)
    {
        $handler = $this->resolve();

        return $handler($request, $options);
    }

    /**
     * Dumps a string representation of the stack.
     *
     * @return string
     */
    public function __toString()
    {
        $depth = 0;
        $stack = [];

        if ($this->handler !== null) {
            $stack[] = "0) Handler: " . $this->debugCallable($this->handler);
        }

        $result = '';
        foreach (\array_reverse($this->stack) as $tuple) {
            $depth++;
            $str = "{$depth}) Name: '{$tuple[1]}', ";
            $str .= "Function: " . $this->debugCallable($tuple[0]);
            $result = "> {$str}\n{$result}";
            $stack[] = $str;
        }

        foreach (\array_keys($stack) as $k) {
            $result .= "< {$stack[$k]}\n";
        }

        return $result;
    }

    /**
     * Set the HTTP handler that actually returns a promise.
     *
     * @param callable(RequestInterface, array): PromiseInterface $handler Accepts a request and array of options and
     *                                                                     returns a Promise.
     */
    public function setHandler(callable $handler): void
    {
        $this->handler = $handler;
        $this->cached = null;
    }

    /**
     * Returns true if the builder has a handler.
     */
    public function hasHandler(): bool
    {
        return $this->handler !== null ;
    }

    /**
     * Unshift a middleware to the bottom of the stack.
     *
     * @param callable(callable): callable $middleware Middleware function
     * @param string                       $name       Name to register for this middleware.
     */
    public function unshift(callable $middleware, ?string $name = null): void
    {
        \array_unshift($this->stack, [$middleware, $name]);
        $this->cached = null;
    }

    /**
     * Push a middleware to the top of the stack.
     *
     * @param callable(callable): callable $middleware Middleware function
     * @param string                       $name       Name to register for this middleware.
     */
    public function push(callable $middleware, string $name = ''): void
    {
        $this->stack[] = [$middleware, $name];
        $this->cached = null;
    }

    /**
     * Add a middleware before another middleware by name.
     *
     * @param string                       $findName   Middleware to find
     * @param callable(callable): callable $middleware Middleware function
     * @param string                       $withName   Name to register for this middleware.
     */
    public function before(string $findName, callable $middleware, string $withName = ''): void
    {
        $this->splice($findName, $withName, $middleware, true);
    }

    /**
     * Add a middleware after another middleware by name.
     *
     * @param string                       $findName   Middleware to find
     * @param callable(callable): callable $middleware Middleware function
     * @param string                       $withName   Name to register for this middleware.
     */
    public function after(string $findName, callable $middleware, string $withName = ''): void
    {
        $this->splice($findName, $withName, $middleware, false);
    }

    /**
     * Remove a middleware by instance or name from the stack.
     *
     * @param callable|string $remove Middleware to remove by instance or name.
     */
    public function remove($remove): void
    {
        if (!is_string($remove) && !is_callable($remove)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a callable or string to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->cached = null;
        $idx = \is_callable($remove) ? 0 : 1;
        $this->stack = \array_values(\array_filter(
            $this->stack,
            static function ($tuple) use ($idx, $remove) {
                return $tuple[$idx] !== $remove;
            }
        ));
    }

    /**
     * Compose the middleware and handler into a single callable function.
     *
     * @return callable(RequestInterface, array): PromiseInterface
     */
    public function resolve(): callable
    {
        if ($this->cached === null) {
            if (($prev = $this->handler) === null) {
                throw new \LogicException('No handler has been specified');
            }

            foreach (\array_reverse($this->stack) as $fn) {
                /** @var callable(RequestInterface, array): PromiseInterface $prev */
                $prev = $fn[0]($prev);
            }

            $this->cached = $prev;
        }

        return $this->cached;
    }

    private function findByName(string $name): int
    {
        foreach ($this->stack as $k => $v) {
            if ($v[1] === $name) {
                return $k;
            }
        }

        throw new \InvalidArgumentException("Middleware not found: $name");
    }

    /**
     * Splices a function into the middleware list at a specific position.
     */
    private function splice(string $findName, string $withName, callable $middleware, bool $before): void
    {
        $this->cached = null;
        $idx = $this->findByName($findName);
        $tuple = [$middleware, $withName];

        if ($before) {
            if ($idx === 0) {
                \array_unshift($this->stack, $tuple);
            } else {
                $replacement = [$tuple, $this->stack[$idx]];
                \array_splice($this->stack, $idx, 1, $replacement);
            }
        } elseif ($idx === \count($this->stack) - 1) {
            $this->stack[] = $tuple;
        } else {
            $replacement = [$this->stack[$idx], $tuple];
            \array_splice($this->stack, $idx, 1, $replacement);
        }
    }

    /**
     * Provides a debug string for a given callable.
     *
     * @param callable|string $fn Function to write as a string.
     */
    private function debugCallable($fn): string
    {
        if (\is_string($fn)) {
            return "callable({$fn})";
        }

        if (\is_array($fn)) {
            return \is_string($fn[0])
                ? "callable({$fn[0]}::{$fn[1]})"
                : "callable(['" . \get_class($fn[0]) . "', '{$fn[1]}'])";
        }

        /** @var object $fn */
        return 'callable(' . \spl_object_hash($fn) . ')';
    }
}
PK     ‘ˆU]˜ÛOmÕ  Õ  ?  vendor/guzzlehttp/guzzle/src/Exception/BadResponseException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Exception when an HTTP error occurs (4xx or 5xx error)
 */
class BadResponseException extends RequestException
{
    public function __construct(
        string $message,
        RequestInterface $request,
        ResponseInterface $response,
        \Throwable $previous = null,
        array $handlerContext = []
    ) {
        parent::__construct($message, $request, $response, $previous, $handlerContext);
    }

    /**
     * Current exception and the ones that extend it will always have a response.
     */
    public function hasResponse(): bool
    {
        return true;
    }

    /**
     * This function narrows the return type from the parent class and does not allow it to be nullable.
     */
    public function getResponse(): ResponseInterface
    {
        /** @var ResponseInterface */
        return parent::getResponse();
    }
}
PK     ’ˆU]jÆí£   £   :  vendor/guzzlehttp/guzzle/src/Exception/ClientException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

/**
 * Exception when a client error is encountered (4xx codes)
 */
class ClientException extends BadResponseException
{
}
PK     ’ˆU]$þ„ e   e   D  vendor/guzzlehttp/guzzle/src/Exception/TooManyRedirectsException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

class TooManyRedirectsException extends RequestException
{
}
PK     ’ˆU]�£/£y   y   <  vendor/guzzlehttp/guzzle/src/Exception/TransferException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

class TransferException extends \RuntimeException implements GuzzleException
{
}
PK     ’ˆU]c²o³Ž   Ž   C  vendor/guzzlehttp/guzzle/src/Exception/InvalidArgumentException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

final class InvalidArgumentException extends \InvalidArgumentException implements GuzzleException
{
}
PK     “ˆU]0ØœÇô  ô  ;  vendor/guzzlehttp/guzzle/src/Exception/RequestException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

use GuzzleHttp\BodySummarizer;
use GuzzleHttp\BodySummarizerInterface;
use Psr\Http\Client\RequestExceptionInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * HTTP Request exception
 */
class RequestException extends TransferException implements RequestExceptionInterface
{
    /**
     * @var RequestInterface
     */
    private $request;

    /**
     * @var ResponseInterface|null
     */
    private $response;

    /**
     * @var array
     */
    private $handlerContext;

    public function __construct(
        string $message,
        RequestInterface $request,
        ResponseInterface $response = null,
        \Throwable $previous = null,
        array $handlerContext = []
    ) {
        // Set the code of the exception if the response is set and not future.
        $code = $response ? $response->getStatusCode() : 0;
        parent::__construct($message, $code, $previous);
        $this->request = $request;
        $this->response = $response;
        $this->handlerContext = $handlerContext;
    }

    /**
     * Wrap non-RequestExceptions with a RequestException
     */
    public static function wrapException(RequestInterface $request, \Throwable $e): RequestException
    {
        return $e instanceof RequestException ? $e : new RequestException($e->getMessage(), $request, null, $e);
    }

    /**
     * Factory method to create a new exception with a normalized error message
     *
     * @param RequestInterface             $request        Request sent
     * @param ResponseInterface            $response       Response received
     * @param \Throwable|null              $previous       Previous exception
     * @param array                        $handlerContext Optional handler context
     * @param BodySummarizerInterface|null $bodySummarizer Optional body summarizer
     */
    public static function create(
        RequestInterface $request,
        ResponseInterface $response = null,
        \Throwable $previous = null,
        array $handlerContext = [],
        BodySummarizerInterface $bodySummarizer = null
    ): self {
        if (!$response) {
            return new self(
                'Error completing request',
                $request,
                null,
                $previous,
                $handlerContext
            );
        }

        $level = (int) \floor($response->getStatusCode() / 100);
        if ($level === 4) {
            $label = 'Client error';
            $className = ClientException::class;
        } elseif ($level === 5) {
            $label = 'Server error';
            $className = ServerException::class;
        } else {
            $label = 'Unsuccessful request';
            $className = __CLASS__;
        }

        $uri = $request->getUri();
        $uri = static::obfuscateUri($uri);

        // Client Error: `GET /` resulted in a `404 Not Found` response:
        // <html> ... (truncated)
        $message = \sprintf(
            '%s: `%s %s` resulted in a `%s %s` response',
            $label,
            $request->getMethod(),
            $uri->__toString(),
            $response->getStatusCode(),
            $response->getReasonPhrase()
        );

        $summary = ($bodySummarizer ?? new BodySummarizer())->summarize($response);

        if ($summary !== null) {
            $message .= ":\n{$summary}\n";
        }

        return new $className($message, $request, $response, $previous, $handlerContext);
    }

    /**
     * Obfuscates URI if there is a username and a password present
     */
    private static function obfuscateUri(UriInterface $uri): UriInterface
    {
        $userInfo = $uri->getUserInfo();

        if (false !== ($pos = \strpos($userInfo, ':'))) {
            return $uri->withUserInfo(\substr($userInfo, 0, $pos), '***');
        }

        return $uri;
    }

    /**
     * Get the request that caused the exception
     */
    public function getRequest(): RequestInterface
    {
        return $this->request;
    }

    /**
     * Get the associated response
     */
    public function getResponse(): ?ResponseInterface
    {
        return $this->response;
    }

    /**
     * Check if a response was received
     */
    public function hasResponse(): bool
    {
        return $this->response !== null;
    }

    /**
     * Get contextual information about the error from the underlying handler.
     *
     * The contents of this array will vary depending on which handler you are
     * using. It may also be just an empty array. Relying on this data will
     * couple you to a specific handler, but can give more debug information
     * when needed.
     */
    public function getHandlerContext(): array
    {
        return $this->handlerContext;
    }
}
PK     “ˆU]áF³j£   £   :  vendor/guzzlehttp/guzzle/src/Exception/ServerException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

/**
 * Exception when a server error is encountered (5xx codes)
 */
class ServerException extends BadResponseException
{
}
PK     “ˆU]½N¼€  €  ;  vendor/guzzlehttp/guzzle/src/Exception/ConnectException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

use Psr\Http\Client\NetworkExceptionInterface;
use Psr\Http\Message\RequestInterface;

/**
 * Exception thrown when a connection cannot be established.
 *
 * Note that no response is present for a ConnectException
 */
class ConnectException extends TransferException implements NetworkExceptionInterface
{
    /**
     * @var RequestInterface
     */
    private $request;

    /**
     * @var array
     */
    private $handlerContext;

    public function __construct(
        string $message,
        RequestInterface $request,
        \Throwable $previous = null,
        array $handlerContext = []
    ) {
        parent::__construct($message, 0, $previous);
        $this->request = $request;
        $this->handlerContext = $handlerContext;
    }

    /**
     * Get the request that caused the exception
     */
    public function getRequest(): RequestInterface
    {
        return $this->request;
    }

    /**
     * Get contextual information about the error from the underlying handler.
     *
     * The contents of this array will vary depending on which handler you are
     * using. It may also be just an empty array. Relying on this data will
     * couple you to a specific handler, but can give more debug information
     * when needed.
     */
    public function getHandlerContext(): array
    {
        return $this->handlerContext;
    }
}
PK     “ˆU]5O\$–   –   :  vendor/guzzlehttp/guzzle/src/Exception/GuzzleException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Exception;

use Psr\Http\Client\ClientExceptionInterface;

interface GuzzleException extends ClientExceptionInterface
{
}
PK     “ˆU]ŸuÍž    0  vendor/guzzlehttp/guzzle/src/RetryMiddleware.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Middleware that retries requests based on the boolean result of
 * invoking the provided "decider" function.
 *
 * @final
 */
class RetryMiddleware
{
    /**
     * @var callable(RequestInterface, array): PromiseInterface
     */
    private $nextHandler;

    /**
     * @var callable
     */
    private $decider;

    /**
     * @var callable(int)
     */
    private $delay;

    /**
     * @param callable                                            $decider     Function that accepts the number of retries,
     *                                                                         a request, [response], and [exception] and
     *                                                                         returns true if the request is to be
     *                                                                         retried.
     * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke.
     * @param (callable(int): int)|null                           $delay       Function that accepts the number of retries
     *                                                                         and returns the number of
     *                                                                         milliseconds to delay.
     */
    public function __construct(callable $decider, callable $nextHandler, callable $delay = null)
    {
        $this->decider = $decider;
        $this->nextHandler = $nextHandler;
        $this->delay = $delay ?: __CLASS__ . '::exponentialDelay';
    }

    /**
     * Default exponential backoff delay function.
     *
     * @return int milliseconds.
     */
    public static function exponentialDelay(int $retries): int
    {
        return (int) \pow(2, $retries - 1) * 1000;
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        if (!isset($options['retries'])) {
            $options['retries'] = 0;
        }

        $fn = $this->nextHandler;
        return $fn($request, $options)
            ->then(
                $this->onFulfilled($request, $options),
                $this->onRejected($request, $options)
            );
    }

    /**
     * Execute fulfilled closure
     */
    private function onFulfilled(RequestInterface $request, array $options): callable
    {
        return function ($value) use ($request, $options) {
            if (!($this->decider)(
                $options['retries'],
                $request,
                $value,
                null
            )) {
                return $value;
            }
            return $this->doRetry($request, $options, $value);
        };
    }

    /**
     * Execute rejected closure
     */
    private function onRejected(RequestInterface $req, array $options): callable
    {
        return function ($reason) use ($req, $options) {
            if (!($this->decider)(
                $options['retries'],
                $req,
                null,
                $reason
            )) {
                return P\Create::rejectionFor($reason);
            }
            return $this->doRetry($req, $options);
        };
    }

    private function doRetry(RequestInterface $request, array $options, ResponseInterface $response = null): PromiseInterface
    {
        $options['delay'] = ($this->delay)(++$options['retries'], $response);

        return $this($request, $options);
    }
}
PK     ”ˆU]Š^:w  w  /  vendor/guzzlehttp/guzzle/src/BodySummarizer.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use Psr\Http\Message\MessageInterface;

final class BodySummarizer implements BodySummarizerInterface
{
    /**
     * @var int|null
     */
    private $truncateAt;

    public function __construct(int $truncateAt = null)
    {
        $this->truncateAt = $truncateAt;
    }

    /**
     * Returns a summarized message body.
     */
    public function summarize(MessageInterface $message): ?string
    {
        return $this->truncateAt === null
            ? \GuzzleHttp\Psr7\Message::bodySummary($message)
            : \GuzzleHttp\Psr7\Message::bodySummary($message, $this->truncateAt);
    }
}
PK     ”ˆU]– 9„î  î  .  vendor/guzzlehttp/guzzle/src/Handler/Proxy.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\RequestOptions;
use Psr\Http\Message\RequestInterface;

/**
 * Provides basic proxies for handlers.
 *
 * @final
 */
class Proxy
{
    /**
     * Sends synchronous requests to a specific handler while sending all other
     * requests to another handler.
     *
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $default Handler used for normal responses
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $sync    Handler used for synchronous responses.
     *
     * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the composed handler.
     */
    public static function wrapSync(callable $default, callable $sync): callable
    {
        return static function (RequestInterface $request, array $options) use ($default, $sync): PromiseInterface {
            return empty($options[RequestOptions::SYNCHRONOUS]) ? $default($request, $options) : $sync($request, $options);
        };
    }

    /**
     * Sends streaming requests to a streaming compatible handler while sending
     * all other requests to a default handler.
     *
     * This, for example, could be useful for taking advantage of the
     * performance benefits of curl while still supporting true streaming
     * through the StreamHandler.
     *
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $default   Handler used for non-streaming responses
     * @param callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface $streaming Handler used for streaming responses
     *
     * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the composed handler.
     */
    public static function wrapStreaming(callable $default, callable $streaming): callable
    {
        return static function (RequestInterface $request, array $options) use ($default, $streaming): PromiseInterface {
            return empty($options['stream']) ? $default($request, $options) : $streaming($request, $options);
        };
    }
}
PK     ”ˆU]Œ™àºV  V  3  vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Psr7\Response;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;

/**
 * Represents a cURL easy handle and the data it populates.
 *
 * @internal
 */
final class EasyHandle
{
    /**
     * @var resource|\CurlHandle cURL resource
     */
    public $handle;

    /**
     * @var StreamInterface Where data is being written
     */
    public $sink;

    /**
     * @var array Received HTTP headers so far
     */
    public $headers = [];

    /**
     * @var ResponseInterface|null Received response (if any)
     */
    public $response;

    /**
     * @var RequestInterface Request being sent
     */
    public $request;

    /**
     * @var array Request options
     */
    public $options = [];

    /**
     * @var int cURL error number (if any)
     */
    public $errno = 0;

    /**
     * @var \Throwable|null Exception during on_headers (if any)
     */
    public $onHeadersException;

    /**
     * @var \Exception|null Exception during createResponse (if any)
     */
    public $createResponseException;

    /**
     * Attach a response to the easy handle based on the received headers.
     *
     * @throws \RuntimeException if no headers have been received or the first
     *                           header line is invalid.
     */
    public function createResponse(): void
    {
        [$ver, $status, $reason, $headers] = HeaderProcessor::parseHeaders($this->headers);

        $normalizedKeys = Utils::normalizeHeaderKeys($headers);

        if (!empty($this->options['decode_content']) && isset($normalizedKeys['content-encoding'])) {
            $headers['x-encoded-content-encoding'] = $headers[$normalizedKeys['content-encoding']];
            unset($headers[$normalizedKeys['content-encoding']]);
            if (isset($normalizedKeys['content-length'])) {
                $headers['x-encoded-content-length'] = $headers[$normalizedKeys['content-length']];

                $bodyLength = (int) $this->sink->getSize();
                if ($bodyLength) {
                    $headers[$normalizedKeys['content-length']] = $bodyLength;
                } else {
                    unset($headers[$normalizedKeys['content-length']]);
                }
            }
        }

        // Attach a response to the easy handle with the parsed headers.
        $this->response = new Response(
            $status,
            $headers,
            $this->sink,
            $ver,
            $reason
        );
    }

    /**
     * @param string $name
     *
     * @return void
     *
     * @throws \BadMethodCallException
     */
    public function __get($name)
    {
        $msg = $name === 'handle' ? 'The EasyHandle has been released' : 'Invalid property: ' . $name;
        throw new \BadMethodCallException($msg);
    }
}
PK     ”ˆU]€I]2  2  4  vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;

/**
 * HTTP handler that uses cURL easy handles as a transport layer.
 *
 * When using the CurlHandler, custom curl options can be specified as an
 * associative array of curl option constants mapping to values in the
 * **curl** key of the "client" key of the request.
 *
 * @final
 */
class CurlHandler
{
    /**
     * @var CurlFactoryInterface
     */
    private $factory;

    /**
     * Accepts an associative array of options:
     *
     * - handle_factory: Optional curl factory used to create cURL handles.
     *
     * @param array{handle_factory?: ?CurlFactoryInterface} $options Array of options to use with the handler
     */
    public function __construct(array $options = [])
    {
        $this->factory = $options['handle_factory']
            ?? new CurlFactory(3);
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        if (isset($options['delay'])) {
            \usleep($options['delay'] * 1000);
        }

        $easy = $this->factory->create($request, $options);
        \curl_exec($easy->handle);
        $easy->errno = \curl_errno($easy->handle);

        return CurlFactory::finish($this, $easy, $this->factory);
    }
}
PK     •ˆU]\Ïƒÿó  ó  9  vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\Promise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;

/**
 * Returns an asynchronous response using curl_multi_* functions.
 *
 * When using the CurlMultiHandler, custom curl options can be specified as an
 * associative array of curl option constants mapping to values in the
 * **curl** key of the provided request options.
 *
 * @property resource|\CurlMultiHandle $_mh Internal use only. Lazy loaded multi-handle.
 *
 * @final
 */
class CurlMultiHandler
{
    /**
     * @var CurlFactoryInterface
     */
    private $factory;

    /**
     * @var int
     */
    private $selectTimeout;

    /**
     * @var int Will be higher than 0 when `curl_multi_exec` is still running.
     */
    private $active = 0;

    /**
     * @var array Request entry handles, indexed by handle id in `addRequest`.
     *
     * @see CurlMultiHandler::addRequest
     */
    private $handles = [];

    /**
     * @var array<int, float> An array of delay times, indexed by handle id in `addRequest`.
     *
     * @see CurlMultiHandler::addRequest
     */
    private $delays = [];

    /**
     * @var array<mixed> An associative array of CURLMOPT_* options and corresponding values for curl_multi_setopt()
     */
    private $options = [];

    /**
     * This handler accepts the following options:
     *
     * - handle_factory: An optional factory  used to create curl handles
     * - select_timeout: Optional timeout (in seconds) to block before timing
     *   out while selecting curl handles. Defaults to 1 second.
     * - options: An associative array of CURLMOPT_* options and
     *   corresponding values for curl_multi_setopt()
     */
    public function __construct(array $options = [])
    {
        $this->factory = $options['handle_factory'] ?? new CurlFactory(50);

        if (isset($options['select_timeout'])) {
            $this->selectTimeout = $options['select_timeout'];
        } elseif ($selectTimeout = Utils::getenv('GUZZLE_CURL_SELECT_TIMEOUT')) {
            @trigger_error('Since guzzlehttp/guzzle 7.2.0: Using environment variable GUZZLE_CURL_SELECT_TIMEOUT is deprecated. Use option "select_timeout" instead.', \E_USER_DEPRECATED);
            $this->selectTimeout = (int) $selectTimeout;
        } else {
            $this->selectTimeout = 1;
        }

        $this->options = $options['options'] ?? [];
    }

    /**
     * @param string $name
     *
     * @return resource|\CurlMultiHandle
     *
     * @throws \BadMethodCallException when another field as `_mh` will be gotten
     * @throws \RuntimeException       when curl can not initialize a multi handle
     */
    public function __get($name)
    {
        if ($name !== '_mh') {
            throw new \BadMethodCallException("Can not get other property as '_mh'.");
        }

        $multiHandle = \curl_multi_init();

        if (false === $multiHandle) {
            throw new \RuntimeException('Can not initialize curl multi handle.');
        }

        $this->_mh = $multiHandle;

        foreach ($this->options as $option => $value) {
            // A warning is raised in case of a wrong option.
            curl_multi_setopt($this->_mh, $option, $value);
        }

        return $this->_mh;
    }

    public function __destruct()
    {
        if (isset($this->_mh)) {
            \curl_multi_close($this->_mh);
            unset($this->_mh);
        }
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        $easy = $this->factory->create($request, $options);
        $id = (int) $easy->handle;

        $promise = new Promise(
            [$this, 'execute'],
            function () use ($id) {
                return $this->cancel($id);
            }
        );

        $this->addRequest(['easy' => $easy, 'deferred' => $promise]);

        return $promise;
    }

    /**
     * Ticks the curl event loop.
     */
    public function tick(): void
    {
        // Add any delayed handles if needed.
        if ($this->delays) {
            $currentTime = Utils::currentTime();
            foreach ($this->delays as $id => $delay) {
                if ($currentTime >= $delay) {
                    unset($this->delays[$id]);
                    \curl_multi_add_handle(
                        $this->_mh,
                        $this->handles[$id]['easy']->handle
                    );
                }
            }
        }

        // Step through the task queue which may add additional requests.
        P\Utils::queue()->run();

        if ($this->active && \curl_multi_select($this->_mh, $this->selectTimeout) === -1) {
            // Perform a usleep if a select returns -1.
            // See: https://bugs.php.net/bug.php?id=61141
            \usleep(250);
        }

        while (\curl_multi_exec($this->_mh, $this->active) === \CURLM_CALL_MULTI_PERFORM);

        $this->processMessages();
    }

    /**
     * Runs until all outstanding connections have completed.
     */
    public function execute(): void
    {
        $queue = P\Utils::queue();

        while ($this->handles || !$queue->isEmpty()) {
            // If there are no transfers, then sleep for the next delay
            if (!$this->active && $this->delays) {
                \usleep($this->timeToNext());
            }
            $this->tick();
        }
    }

    private function addRequest(array $entry): void
    {
        $easy = $entry['easy'];
        $id = (int) $easy->handle;
        $this->handles[$id] = $entry;
        if (empty($easy->options['delay'])) {
            \curl_multi_add_handle($this->_mh, $easy->handle);
        } else {
            $this->delays[$id] = Utils::currentTime() + ($easy->options['delay'] / 1000);
        }
    }

    /**
     * Cancels a handle from sending and removes references to it.
     *
     * @param int $id Handle ID to cancel and remove.
     *
     * @return bool True on success, false on failure.
     */
    private function cancel($id): bool
    {
        if (!is_int($id)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing an integer to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        // Cannot cancel if it has been processed.
        if (!isset($this->handles[$id])) {
            return false;
        }

        $handle = $this->handles[$id]['easy']->handle;
        unset($this->delays[$id], $this->handles[$id]);
        \curl_multi_remove_handle($this->_mh, $handle);
        \curl_close($handle);

        return true;
    }

    private function processMessages(): void
    {
        while ($done = \curl_multi_info_read($this->_mh)) {
            if ($done['msg'] !== \CURLMSG_DONE) {
                // if it's not done, then it would be premature to remove the handle. ref https://github.com/guzzle/guzzle/pull/2892#issuecomment-945150216
                continue;
            }
            $id = (int) $done['handle'];
            \curl_multi_remove_handle($this->_mh, $done['handle']);

            if (!isset($this->handles[$id])) {
                // Probably was cancelled.
                continue;
            }

            $entry = $this->handles[$id];
            unset($this->handles[$id], $this->delays[$id]);
            $entry['easy']->errno = $done['result'];
            $entry['deferred']->resolve(
                CurlFactory::finish($this, $entry['easy'], $this->factory)
            );
        }
    }

    private function timeToNext(): int
    {
        $currentTime = Utils::currentTime();
        $nextTime = \PHP_INT_MAX;
        foreach ($this->delays as $time) {
            if ($time < $nextTime) {
                $nextTime = $time;
            }
        }

        return ((int) \max(0, $nextTime - $currentTime)) * 1000000;
    }
}
PK     •ˆU]J*I�    4  vendor/guzzlehttp/guzzle/src/Handler/MockHandler.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\HandlerStack;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\TransferStats;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;

/**
 * Handler that returns responses or throw exceptions from a queue.
 *
 * @final
 */
class MockHandler implements \Countable
{
    /**
     * @var array
     */
    private $queue = [];

    /**
     * @var RequestInterface|null
     */
    private $lastRequest;

    /**
     * @var array
     */
    private $lastOptions = [];

    /**
     * @var callable|null
     */
    private $onFulfilled;

    /**
     * @var callable|null
     */
    private $onRejected;

    /**
     * Creates a new MockHandler that uses the default handler stack list of
     * middlewares.
     *
     * @param array|null    $queue       Array of responses, callables, or exceptions.
     * @param callable|null $onFulfilled Callback to invoke when the return value is fulfilled.
     * @param callable|null $onRejected  Callback to invoke when the return value is rejected.
     */
    public static function createWithMiddleware(array $queue = null, callable $onFulfilled = null, callable $onRejected = null): HandlerStack
    {
        return HandlerStack::create(new self($queue, $onFulfilled, $onRejected));
    }

    /**
     * The passed in value must be an array of
     * {@see \Psr\Http\Message\ResponseInterface} objects, Exceptions,
     * callables, or Promises.
     *
     * @param array<int, mixed>|null $queue       The parameters to be passed to the append function, as an indexed array.
     * @param callable|null          $onFulfilled Callback to invoke when the return value is fulfilled.
     * @param callable|null          $onRejected  Callback to invoke when the return value is rejected.
     */
    public function __construct(array $queue = null, callable $onFulfilled = null, callable $onRejected = null)
    {
        $this->onFulfilled = $onFulfilled;
        $this->onRejected = $onRejected;

        if ($queue) {
            // array_values included for BC
            $this->append(...array_values($queue));
        }
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        if (!$this->queue) {
            throw new \OutOfBoundsException('Mock queue is empty');
        }

        if (isset($options['delay']) && \is_numeric($options['delay'])) {
            \usleep((int) $options['delay'] * 1000);
        }

        $this->lastRequest = $request;
        $this->lastOptions = $options;
        $response = \array_shift($this->queue);

        if (isset($options['on_headers'])) {
            if (!\is_callable($options['on_headers'])) {
                throw new \InvalidArgumentException('on_headers must be callable');
            }
            try {
                $options['on_headers']($response);
            } catch (\Exception $e) {
                $msg = 'An error was encountered during the on_headers event';
                $response = new RequestException($msg, $request, $response, $e);
            }
        }

        if (\is_callable($response)) {
            $response = $response($request, $options);
        }

        $response = $response instanceof \Throwable
            ? P\Create::rejectionFor($response)
            : P\Create::promiseFor($response);

        return $response->then(
            function (?ResponseInterface $value) use ($request, $options) {
                $this->invokeStats($request, $options, $value);
                if ($this->onFulfilled) {
                    ($this->onFulfilled)($value);
                }

                if ($value !== null && isset($options['sink'])) {
                    $contents = (string) $value->getBody();
                    $sink = $options['sink'];

                    if (\is_resource($sink)) {
                        \fwrite($sink, $contents);
                    } elseif (\is_string($sink)) {
                        \file_put_contents($sink, $contents);
                    } elseif ($sink instanceof StreamInterface) {
                        $sink->write($contents);
                    }
                }

                return $value;
            },
            function ($reason) use ($request, $options) {
                $this->invokeStats($request, $options, null, $reason);
                if ($this->onRejected) {
                    ($this->onRejected)($reason);
                }
                return P\Create::rejectionFor($reason);
            }
        );
    }

    /**
     * Adds one or more variadic requests, exceptions, callables, or promises
     * to the queue.
     *
     * @param mixed ...$values
     */
    public function append(...$values): void
    {
        foreach ($values as $value) {
            if ($value instanceof ResponseInterface
                || $value instanceof \Throwable
                || $value instanceof PromiseInterface
                || \is_callable($value)
            ) {
                $this->queue[] = $value;
            } else {
                throw new \TypeError('Expected a Response, Promise, Throwable or callable. Found ' . Utils::describeType($value));
            }
        }
    }

    /**
     * Get the last received request.
     */
    public function getLastRequest(): ?RequestInterface
    {
        return $this->lastRequest;
    }

    /**
     * Get the last received request options.
     */
    public function getLastOptions(): array
    {
        return $this->lastOptions;
    }

    /**
     * Returns the number of remaining items in the queue.
     */
    public function count(): int
    {
        return \count($this->queue);
    }

    public function reset(): void
    {
        $this->queue = [];
    }

    /**
     * @param mixed $reason Promise or reason.
     */
    private function invokeStats(
        RequestInterface $request,
        array $options,
        ResponseInterface $response = null,
        $reason = null
    ): void {
        if (isset($options['on_stats'])) {
            $transferTime = $options['transfer_time'] ?? 0;
            $stats = new TransferStats($request, $response, $transferTime, $reason);
            ($options['on_stats'])($stats);
        }
    }
}
PK     •ˆU]8‹¥©£X  £X  4  vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\FulfilledPromise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Psr7\LazyOpenStream;
use GuzzleHttp\TransferStats;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;

/**
 * Creates curl resources from a request
 *
 * @final
 */
class CurlFactory implements CurlFactoryInterface
{
    public const CURL_VERSION_STR = 'curl_version';

    /**
     * @deprecated
     */
    public const LOW_CURL_VERSION_NUMBER = '7.21.2';

    /**
     * @var resource[]|\CurlHandle[]
     */
    private $handles = [];

    /**
     * @var int Total number of idle handles to keep in cache
     */
    private $maxHandles;

    /**
     * @param int $maxHandles Maximum number of idle handles.
     */
    public function __construct(int $maxHandles)
    {
        $this->maxHandles = $maxHandles;
    }

    public function create(RequestInterface $request, array $options): EasyHandle
    {
        if (isset($options['curl']['body_as_string'])) {
            $options['_body_as_string'] = $options['curl']['body_as_string'];
            unset($options['curl']['body_as_string']);
        }

        $easy = new EasyHandle;
        $easy->request = $request;
        $easy->options = $options;
        $conf = $this->getDefaultConf($easy);
        $this->applyMethod($easy, $conf);
        $this->applyHandlerOptions($easy, $conf);
        $this->applyHeaders($easy, $conf);
        unset($conf['_headers']);

        // Add handler options from the request configuration options
        if (isset($options['curl'])) {
            $conf = \array_replace($conf, $options['curl']);
        }

        $conf[\CURLOPT_HEADERFUNCTION] = $this->createHeaderFn($easy);
        $easy->handle = $this->handles ? \array_pop($this->handles) : \curl_init();
        curl_setopt_array($easy->handle, $conf);

        return $easy;
    }

    public function release(EasyHandle $easy): void
    {
        $resource = $easy->handle;
        unset($easy->handle);

        if (\count($this->handles) >= $this->maxHandles) {
            \curl_close($resource);
        } else {
            // Remove all callback functions as they can hold onto references
            // and are not cleaned up by curl_reset. Using curl_setopt_array
            // does not work for some reason, so removing each one
            // individually.
            \curl_setopt($resource, \CURLOPT_HEADERFUNCTION, null);
            \curl_setopt($resource, \CURLOPT_READFUNCTION, null);
            \curl_setopt($resource, \CURLOPT_WRITEFUNCTION, null);
            \curl_setopt($resource, \CURLOPT_PROGRESSFUNCTION, null);
            \curl_reset($resource);
            $this->handles[] = $resource;
        }
    }

    /**
     * Completes a cURL transaction, either returning a response promise or a
     * rejected promise.
     *
     * @param callable(RequestInterface, array): PromiseInterface $handler
     * @param CurlFactoryInterface                                $factory Dictates how the handle is released
     */
    public static function finish(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface
    {
        if (isset($easy->options['on_stats'])) {
            self::invokeStats($easy);
        }

        if (!$easy->response || $easy->errno) {
            return self::finishError($handler, $easy, $factory);
        }

        // Return the response if it is present and there is no error.
        $factory->release($easy);

        // Rewind the body of the response if possible.
        $body = $easy->response->getBody();
        if ($body->isSeekable()) {
            $body->rewind();
        }

        return new FulfilledPromise($easy->response);
    }

    private static function invokeStats(EasyHandle $easy): void
    {
        $curlStats = \curl_getinfo($easy->handle);
        $curlStats['appconnect_time'] = \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME);
        $stats = new TransferStats(
            $easy->request,
            $easy->response,
            $curlStats['total_time'],
            $easy->errno,
            $curlStats
        );
        ($easy->options['on_stats'])($stats);
    }

    /**
     * @param callable(RequestInterface, array): PromiseInterface $handler
     */
    private static function finishError(callable $handler, EasyHandle $easy, CurlFactoryInterface $factory): PromiseInterface
    {
        // Get error information and release the handle to the factory.
        $ctx = [
            'errno' => $easy->errno,
            'error' => \curl_error($easy->handle),
            'appconnect_time' => \curl_getinfo($easy->handle, \CURLINFO_APPCONNECT_TIME),
        ] + \curl_getinfo($easy->handle);
        $ctx[self::CURL_VERSION_STR] = \curl_version()['version'];
        $factory->release($easy);

        // Retry when nothing is present or when curl failed to rewind.
        if (empty($easy->options['_err_message']) && (!$easy->errno || $easy->errno == 65)) {
            return self::retryFailedRewind($handler, $easy, $ctx);
        }

        return self::createRejection($easy, $ctx);
    }

    private static function createRejection(EasyHandle $easy, array $ctx): PromiseInterface
    {
        static $connectionErrors = [
            \CURLE_OPERATION_TIMEOUTED  => true,
            \CURLE_COULDNT_RESOLVE_HOST => true,
            \CURLE_COULDNT_CONNECT      => true,
            \CURLE_SSL_CONNECT_ERROR    => true,
            \CURLE_GOT_NOTHING          => true,
        ];

        if ($easy->createResponseException) {
            return P\Create::rejectionFor(
                new RequestException(
                    'An error was encountered while creating the response',
                    $easy->request,
                    $easy->response,
                    $easy->createResponseException,
                    $ctx
                )
            );
        }

        // If an exception was encountered during the onHeaders event, then
        // return a rejected promise that wraps that exception.
        if ($easy->onHeadersException) {
            return P\Create::rejectionFor(
                new RequestException(
                    'An error was encountered during the on_headers event',
                    $easy->request,
                    $easy->response,
                    $easy->onHeadersException,
                    $ctx
                )
            );
        }

        $message = \sprintf(
            'cURL error %s: %s (%s)',
            $ctx['errno'],
            $ctx['error'],
            'see https://curl.haxx.se/libcurl/c/libcurl-errors.html'
        );
        $uriString = (string) $easy->request->getUri();
        if ($uriString !== '' && false === \strpos($ctx['error'], $uriString)) {
            $message .= \sprintf(' for %s', $uriString);
        }

        // Create a connection exception if it was a specific error code.
        $error = isset($connectionErrors[$easy->errno])
            ? new ConnectException($message, $easy->request, null, $ctx)
            : new RequestException($message, $easy->request, $easy->response, null, $ctx);

        return P\Create::rejectionFor($error);
    }

    /**
     * @return array<int|string, mixed>
     */
    private function getDefaultConf(EasyHandle $easy): array
    {
        $conf = [
            '_headers'              => $easy->request->getHeaders(),
            \CURLOPT_CUSTOMREQUEST  => $easy->request->getMethod(),
            \CURLOPT_URL            => (string) $easy->request->getUri()->withFragment(''),
            \CURLOPT_RETURNTRANSFER => false,
            \CURLOPT_HEADER         => false,
            \CURLOPT_CONNECTTIMEOUT => 150,
        ];

        if (\defined('CURLOPT_PROTOCOLS')) {
            $conf[\CURLOPT_PROTOCOLS] = \CURLPROTO_HTTP | \CURLPROTO_HTTPS;
        }

        $version = $easy->request->getProtocolVersion();
        if ($version == 1.1) {
            $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_1;
        } elseif ($version == 2.0) {
            $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_2_0;
        } else {
            $conf[\CURLOPT_HTTP_VERSION] = \CURL_HTTP_VERSION_1_0;
        }

        return $conf;
    }

    private function applyMethod(EasyHandle $easy, array &$conf): void
    {
        $body = $easy->request->getBody();
        $size = $body->getSize();

        if ($size === null || $size > 0) {
            $this->applyBody($easy->request, $easy->options, $conf);
            return;
        }

        $method = $easy->request->getMethod();
        if ($method === 'PUT' || $method === 'POST') {
            // See https://tools.ietf.org/html/rfc7230#section-3.3.2
            if (!$easy->request->hasHeader('Content-Length')) {
                $conf[\CURLOPT_HTTPHEADER][] = 'Content-Length: 0';
            }
        } elseif ($method === 'HEAD') {
            $conf[\CURLOPT_NOBODY] = true;
            unset(
                $conf[\CURLOPT_WRITEFUNCTION],
                $conf[\CURLOPT_READFUNCTION],
                $conf[\CURLOPT_FILE],
                $conf[\CURLOPT_INFILE]
            );
        }
    }

    private function applyBody(RequestInterface $request, array $options, array &$conf): void
    {
        $size = $request->hasHeader('Content-Length')
            ? (int) $request->getHeaderLine('Content-Length')
            : null;

        // Send the body as a string if the size is less than 1MB OR if the
        // [curl][body_as_string] request value is set.
        if (($size !== null && $size < 1000000) || !empty($options['_body_as_string'])) {
            $conf[\CURLOPT_POSTFIELDS] = (string) $request->getBody();
            // Don't duplicate the Content-Length header
            $this->removeHeader('Content-Length', $conf);
            $this->removeHeader('Transfer-Encoding', $conf);
        } else {
            $conf[\CURLOPT_UPLOAD] = true;
            if ($size !== null) {
                $conf[\CURLOPT_INFILESIZE] = $size;
                $this->removeHeader('Content-Length', $conf);
            }
            $body = $request->getBody();
            if ($body->isSeekable()) {
                $body->rewind();
            }
            $conf[\CURLOPT_READFUNCTION] = static function ($ch, $fd, $length) use ($body) {
                return $body->read($length);
            };
        }

        // If the Expect header is not present, prevent curl from adding it
        if (!$request->hasHeader('Expect')) {
            $conf[\CURLOPT_HTTPHEADER][] = 'Expect:';
        }

        // cURL sometimes adds a content-type by default. Prevent this.
        if (!$request->hasHeader('Content-Type')) {
            $conf[\CURLOPT_HTTPHEADER][] = 'Content-Type:';
        }
    }

    private function applyHeaders(EasyHandle $easy, array &$conf): void
    {
        foreach ($conf['_headers'] as $name => $values) {
            foreach ($values as $value) {
                $value = (string) $value;
                if ($value === '') {
                    // cURL requires a special format for empty headers.
                    // See https://github.com/guzzle/guzzle/issues/1882 for more details.
                    $conf[\CURLOPT_HTTPHEADER][] = "$name;";
                } else {
                    $conf[\CURLOPT_HTTPHEADER][] = "$name: $value";
                }
            }
        }

        // Remove the Accept header if one was not set
        if (!$easy->request->hasHeader('Accept')) {
            $conf[\CURLOPT_HTTPHEADER][] = 'Accept:';
        }
    }

    /**
     * Remove a header from the options array.
     *
     * @param string $name    Case-insensitive header to remove
     * @param array  $options Array of options to modify
     */
    private function removeHeader(string $name, array &$options): void
    {
        foreach (\array_keys($options['_headers']) as $key) {
            if (!\strcasecmp($key, $name)) {
                unset($options['_headers'][$key]);
                return;
            }
        }
    }

    private function applyHandlerOptions(EasyHandle $easy, array &$conf): void
    {
        $options = $easy->options;
        if (isset($options['verify'])) {
            if ($options['verify'] === false) {
                unset($conf[\CURLOPT_CAINFO]);
                $conf[\CURLOPT_SSL_VERIFYHOST] = 0;
                $conf[\CURLOPT_SSL_VERIFYPEER] = false;
            } else {
                $conf[\CURLOPT_SSL_VERIFYHOST] = 2;
                $conf[\CURLOPT_SSL_VERIFYPEER] = true;
                if (\is_string($options['verify'])) {
                    // Throw an error if the file/folder/link path is not valid or doesn't exist.
                    if (!\file_exists($options['verify'])) {
                        throw new \InvalidArgumentException("SSL CA bundle not found: {$options['verify']}");
                    }
                    // If it's a directory or a link to a directory use CURLOPT_CAPATH.
                    // If not, it's probably a file, or a link to a file, so use CURLOPT_CAINFO.
                    if (
                        \is_dir($options['verify']) ||
                        (
                            \is_link($options['verify']) === true &&
                            ($verifyLink = \readlink($options['verify'])) !== false &&
                            \is_dir($verifyLink)
                        )
                    ) {
                        $conf[\CURLOPT_CAPATH] = $options['verify'];
                    } else {
                        $conf[\CURLOPT_CAINFO] = $options['verify'];
                    }
                }
            }
        }

        if (!isset($options['curl'][\CURLOPT_ENCODING]) && !empty($options['decode_content'])) {
            $accept = $easy->request->getHeaderLine('Accept-Encoding');
            if ($accept) {
                $conf[\CURLOPT_ENCODING] = $accept;
            } else {
                // The empty string enables all available decoders and implicitly
                // sets a matching 'Accept-Encoding' header.
                $conf[\CURLOPT_ENCODING] = '';
                // But as the user did not specify any acceptable encodings we need
                // to overwrite this implicit header with an empty one.
                $conf[\CURLOPT_HTTPHEADER][] = 'Accept-Encoding:';
            }
        }

        if (!isset($options['sink'])) {
            // Use a default temp stream if no sink was set.
            $options['sink'] = \GuzzleHttp\Psr7\Utils::tryFopen('php://temp', 'w+');
        }
        $sink = $options['sink'];
        if (!\is_string($sink)) {
            $sink = \GuzzleHttp\Psr7\Utils::streamFor($sink);
        } elseif (!\is_dir(\dirname($sink))) {
            // Ensure that the directory exists before failing in curl.
            throw new \RuntimeException(\sprintf('Directory %s does not exist for sink value of %s', \dirname($sink), $sink));
        } else {
            $sink = new LazyOpenStream($sink, 'w+');
        }
        $easy->sink = $sink;
        $conf[\CURLOPT_WRITEFUNCTION] = static function ($ch, $write) use ($sink): int {
            return $sink->write($write);
        };

        $timeoutRequiresNoSignal = false;
        if (isset($options['timeout'])) {
            $timeoutRequiresNoSignal |= $options['timeout'] < 1;
            $conf[\CURLOPT_TIMEOUT_MS] = $options['timeout'] * 1000;
        }

        // CURL default value is CURL_IPRESOLVE_WHATEVER
        if (isset($options['force_ip_resolve'])) {
            if ('v4' === $options['force_ip_resolve']) {
                $conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V4;
            } elseif ('v6' === $options['force_ip_resolve']) {
                $conf[\CURLOPT_IPRESOLVE] = \CURL_IPRESOLVE_V6;
            }
        }

        if (isset($options['connect_timeout'])) {
            $timeoutRequiresNoSignal |= $options['connect_timeout'] < 1;
            $conf[\CURLOPT_CONNECTTIMEOUT_MS] = $options['connect_timeout'] * 1000;
        }

        if ($timeoutRequiresNoSignal && \strtoupper(\substr(\PHP_OS, 0, 3)) !== 'WIN') {
            $conf[\CURLOPT_NOSIGNAL] = true;
        }

        if (isset($options['proxy'])) {
            if (!\is_array($options['proxy'])) {
                $conf[\CURLOPT_PROXY] = $options['proxy'];
            } else {
                $scheme = $easy->request->getUri()->getScheme();
                if (isset($options['proxy'][$scheme])) {
                    $host = $easy->request->getUri()->getHost();
                    if (!isset($options['proxy']['no']) || !Utils::isHostInNoProxy($host, $options['proxy']['no'])) {
                        $conf[\CURLOPT_PROXY] = $options['proxy'][$scheme];
                    }
                }
            }
        }

        if (isset($options['cert'])) {
            $cert = $options['cert'];
            if (\is_array($cert)) {
                $conf[\CURLOPT_SSLCERTPASSWD] = $cert[1];
                $cert = $cert[0];
            }
            if (!\file_exists($cert)) {
                throw new \InvalidArgumentException("SSL certificate not found: {$cert}");
            }
            # OpenSSL (versions 0.9.3 and later) also support "P12" for PKCS#12-encoded files.
            # see https://curl.se/libcurl/c/CURLOPT_SSLCERTTYPE.html
            $ext = pathinfo($cert, \PATHINFO_EXTENSION);
            if (preg_match('#^(der|p12)$#i', $ext)) {
                $conf[\CURLOPT_SSLCERTTYPE] = strtoupper($ext);
            }
            $conf[\CURLOPT_SSLCERT] = $cert;
        }

        if (isset($options['ssl_key'])) {
            if (\is_array($options['ssl_key'])) {
                if (\count($options['ssl_key']) === 2) {
                    [$sslKey, $conf[\CURLOPT_SSLKEYPASSWD]] = $options['ssl_key'];
                } else {
                    [$sslKey] = $options['ssl_key'];
                }
            }

            $sslKey = $sslKey ?? $options['ssl_key'];

            if (!\file_exists($sslKey)) {
                throw new \InvalidArgumentException("SSL private key not found: {$sslKey}");
            }
            $conf[\CURLOPT_SSLKEY] = $sslKey;
        }

        if (isset($options['progress'])) {
            $progress = $options['progress'];
            if (!\is_callable($progress)) {
                throw new \InvalidArgumentException('progress client option must be callable');
            }
            $conf[\CURLOPT_NOPROGRESS] = false;
            $conf[\CURLOPT_PROGRESSFUNCTION] = static function ($resource, int $downloadSize, int $downloaded, int $uploadSize, int $uploaded) use ($progress) {
                $progress($downloadSize, $downloaded, $uploadSize, $uploaded);
            };
        }

        if (!empty($options['debug'])) {
            $conf[\CURLOPT_STDERR] = Utils::debugResource($options['debug']);
            $conf[\CURLOPT_VERBOSE] = true;
        }
    }

    /**
     * This function ensures that a response was set on a transaction. If one
     * was not set, then the request is retried if possible. This error
     * typically means you are sending a payload, curl encountered a
     * "Connection died, retrying a fresh connect" error, tried to rewind the
     * stream, and then encountered a "necessary data rewind wasn't possible"
     * error, causing the request to be sent through curl_multi_info_read()
     * without an error status.
     *
     * @param callable(RequestInterface, array): PromiseInterface $handler
     */
    private static function retryFailedRewind(callable $handler, EasyHandle $easy, array $ctx): PromiseInterface
    {
        try {
            // Only rewind if the body has been read from.
            $body = $easy->request->getBody();
            if ($body->tell() > 0) {
                $body->rewind();
            }
        } catch (\RuntimeException $e) {
            $ctx['error'] = 'The connection unexpectedly failed without '
                . 'providing an error. The request would have been retried, '
                . 'but attempting to rewind the request body failed. '
                . 'Exception: ' . $e;
            return self::createRejection($easy, $ctx);
        }

        // Retry no more than 3 times before giving up.
        if (!isset($easy->options['_curl_retries'])) {
            $easy->options['_curl_retries'] = 1;
        } elseif ($easy->options['_curl_retries'] == 2) {
            $ctx['error'] = 'The cURL request was retried 3 times '
                . 'and did not succeed. The most likely reason for the failure '
                . 'is that cURL was unable to rewind the body of the request '
                . 'and subsequent retries resulted in the same error. Turn on '
                . 'the debug option to see what went wrong. See '
                . 'https://bugs.php.net/bug.php?id=47204 for more information.';
            return self::createRejection($easy, $ctx);
        } else {
            $easy->options['_curl_retries']++;
        }

        return $handler($easy->request, $easy->options);
    }

    private function createHeaderFn(EasyHandle $easy): callable
    {
        if (isset($easy->options['on_headers'])) {
            $onHeaders = $easy->options['on_headers'];

            if (!\is_callable($onHeaders)) {
                throw new \InvalidArgumentException('on_headers must be callable');
            }
        } else {
            $onHeaders = null;
        }

        return static function ($ch, $h) use (
            $onHeaders,
            $easy,
            &$startingResponse
        ) {
            $value = \trim($h);
            if ($value === '') {
                $startingResponse = true;
                try {
                    $easy->createResponse();
                } catch (\Exception $e) {
                    $easy->createResponseException = $e;
                    return -1;
                }
                if ($onHeaders !== null) {
                    try {
                        $onHeaders($easy->response);
                    } catch (\Exception $e) {
                        // Associate the exception with the handle and trigger
                        // a curl header write error by returning 0.
                        $easy->onHeadersException = $e;
                        return -1;
                    }
                }
            } elseif ($startingResponse) {
                $startingResponse = false;
                $easy->headers = [$value];
            } else {
                $easy->headers[] = $value;
            }
            return \strlen($h);
        };
    }
}
PK     –ˆU]œ¿F      8  vendor/guzzlehttp/guzzle/src/Handler/HeaderProcessor.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Utils;

/**
 * @internal
 */
final class HeaderProcessor
{
    /**
     * Returns the HTTP version, status code, reason phrase, and headers.
     *
     * @param string[] $headers
     *
     * @throws \RuntimeException
     *
     * @return array{0:string, 1:int, 2:?string, 3:array}
     */
    public static function parseHeaders(array $headers): array
    {
        if ($headers === []) {
            throw new \RuntimeException('Expected a non-empty array of header data');
        }

        $parts = \explode(' ', \array_shift($headers), 3);
        $version = \explode('/', $parts[0])[1] ?? null;

        if ($version === null) {
            throw new \RuntimeException('HTTP version missing from header data');
        }

        $status = $parts[1] ?? null;

        if ($status === null) {
            throw new \RuntimeException('HTTP status code missing from header data');
        }

        return [$version, (int) $status, $parts[2] ?? null, Utils::headersFromLines($headers)];
    }
}
PK     –ˆU]ÓôP‘  ‘  =  vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use Psr\Http\Message\RequestInterface;

interface CurlFactoryInterface
{
    /**
     * Creates a cURL handle resource.
     *
     * @param RequestInterface $request Request
     * @param array            $options Transfer options
     *
     * @throws \RuntimeException when an option cannot be applied
     */
    public function create(RequestInterface $request, array $options): EasyHandle;

    /**
     * Release an easy handle, allowing it to be reused or closed.
     *
     * This function must call unset on the easy handle's "handle" property.
     */
    public function release(EasyHandle $easy): void;
}
PK     –ˆU]ëžYÄP  ÄP  6  vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.phpnu „[µü¤        <?php

namespace GuzzleHttp\Handler;

use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\FulfilledPromise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Psr7;
use GuzzleHttp\TransferStats;
use GuzzleHttp\Utils;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

/**
 * HTTP handler that uses PHP's HTTP stream wrapper.
 *
 * @final
 */
class StreamHandler
{
    /**
     * @var array
     */
    private $lastHeaders = [];

    /**
     * Sends an HTTP request.
     *
     * @param RequestInterface $request Request to send.
     * @param array            $options Request transfer options.
     */
    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        // Sleep if there is a delay specified.
        if (isset($options['delay'])) {
            \usleep($options['delay'] * 1000);
        }

        $startTime = isset($options['on_stats']) ? Utils::currentTime() : null;

        try {
            // Does not support the expect header.
            $request = $request->withoutHeader('Expect');

            // Append a content-length header if body size is zero to match
            // cURL's behavior.
            if (0 === $request->getBody()->getSize()) {
                $request = $request->withHeader('Content-Length', '0');
            }

            return $this->createResponse(
                $request,
                $options,
                $this->createStream($request, $options),
                $startTime
            );
        } catch (\InvalidArgumentException $e) {
            throw $e;
        } catch (\Exception $e) {
            // Determine if the error was a networking error.
            $message = $e->getMessage();
            // This list can probably get more comprehensive.
            if (false !== \strpos($message, 'getaddrinfo') // DNS lookup failed
                || false !== \strpos($message, 'Connection refused')
                || false !== \strpos($message, "couldn't connect to host") // error on HHVM
                || false !== \strpos($message, "connection attempt failed")
            ) {
                $e = new ConnectException($e->getMessage(), $request, $e);
            } else {
                $e = RequestException::wrapException($request, $e);
            }
            $this->invokeStats($options, $request, $startTime, null, $e);

            return P\Create::rejectionFor($e);
        }
    }

    private function invokeStats(
        array $options,
        RequestInterface $request,
        ?float $startTime,
        ResponseInterface $response = null,
        \Throwable $error = null
    ): void {
        if (isset($options['on_stats'])) {
            $stats = new TransferStats($request, $response, Utils::currentTime() - $startTime, $error, []);
            ($options['on_stats'])($stats);
        }
    }

    /**
     * @param resource $stream
     */
    private function createResponse(RequestInterface $request, array $options, $stream, ?float $startTime): PromiseInterface
    {
        $hdrs = $this->lastHeaders;
        $this->lastHeaders = [];

        try {
            [$ver, $status, $reason, $headers] = HeaderProcessor::parseHeaders($hdrs);
        } catch (\Exception $e) {
            return P\Create::rejectionFor(
                new RequestException('An error was encountered while creating the response', $request, null, $e)
            );
        }

        [$stream, $headers] = $this->checkDecode($options, $headers, $stream);
        $stream = Psr7\Utils::streamFor($stream);
        $sink = $stream;

        if (\strcasecmp('HEAD', $request->getMethod())) {
            $sink = $this->createSink($stream, $options);
        }

        try {
            $response = new Psr7\Response($status, $headers, $sink, $ver, $reason);
        } catch (\Exception $e) {
            return P\Create::rejectionFor(
                new RequestException('An error was encountered while creating the response', $request, null, $e)
            );
        }

        if (isset($options['on_headers'])) {
            try {
                $options['on_headers']($response);
            } catch (\Exception $e) {
                return P\Create::rejectionFor(
                    new RequestException('An error was encountered during the on_headers event', $request, $response, $e)
                );
            }
        }

        // Do not drain when the request is a HEAD request because they have
        // no body.
        if ($sink !== $stream) {
            $this->drain($stream, $sink, $response->getHeaderLine('Content-Length'));
        }

        $this->invokeStats($options, $request, $startTime, $response, null);

        return new FulfilledPromise($response);
    }

    private function createSink(StreamInterface $stream, array $options): StreamInterface
    {
        if (!empty($options['stream'])) {
            return $stream;
        }

        $sink = $options['sink'] ?? Psr7\Utils::tryFopen('php://temp', 'r+');

        return \is_string($sink) ? new Psr7\LazyOpenStream($sink, 'w+') : Psr7\Utils::streamFor($sink);
    }

    /**
     * @param resource $stream
     */
    private function checkDecode(array $options, array $headers, $stream): array
    {
        // Automatically decode responses when instructed.
        if (!empty($options['decode_content'])) {
            $normalizedKeys = Utils::normalizeHeaderKeys($headers);
            if (isset($normalizedKeys['content-encoding'])) {
                $encoding = $headers[$normalizedKeys['content-encoding']];
                if ($encoding[0] === 'gzip' || $encoding[0] === 'deflate') {
                    $stream = new Psr7\InflateStream(Psr7\Utils::streamFor($stream));
                    $headers['x-encoded-content-encoding'] = $headers[$normalizedKeys['content-encoding']];

                    // Remove content-encoding header
                    unset($headers[$normalizedKeys['content-encoding']]);

                    // Fix content-length header
                    if (isset($normalizedKeys['content-length'])) {
                        $headers['x-encoded-content-length'] = $headers[$normalizedKeys['content-length']];
                        $length = (int) $stream->getSize();
                        if ($length === 0) {
                            unset($headers[$normalizedKeys['content-length']]);
                        } else {
                            $headers[$normalizedKeys['content-length']] = [$length];
                        }
                    }
                }
            }
        }

        return [$stream, $headers];
    }

    /**
     * Drains the source stream into the "sink" client option.
     *
     * @param string $contentLength Header specifying the amount of
     *                              data to read.
     *
     * @throws \RuntimeException when the sink option is invalid.
     */
    private function drain(StreamInterface $source, StreamInterface $sink, string $contentLength): StreamInterface
    {
        // If a content-length header is provided, then stop reading once
        // that number of bytes has been read. This can prevent infinitely
        // reading from a stream when dealing with servers that do not honor
        // Connection: Close headers.
        Psr7\Utils::copyToStream(
            $source,
            $sink,
            (\strlen($contentLength) > 0 && (int) $contentLength > 0) ? (int) $contentLength : -1
        );

        $sink->seek(0);
        $source->close();

        return $sink;
    }

    /**
     * Create a resource and check to ensure it was created successfully
     *
     * @param callable $callback Callable that returns stream resource
     *
     * @return resource
     *
     * @throws \RuntimeException on error
     */
    private function createResource(callable $callback)
    {
        $errors = [];
        \set_error_handler(static function ($_, $msg, $file, $line) use (&$errors): bool {
            $errors[] = [
                'message' => $msg,
                'file'    => $file,
                'line'    => $line
            ];
            return true;
        });

        try {
            $resource = $callback();
        } finally {
            \restore_error_handler();
        }

        if (!$resource) {
            $message = 'Error creating resource: ';
            foreach ($errors as $err) {
                foreach ($err as $key => $value) {
                    $message .= "[$key] $value" . \PHP_EOL;
                }
            }
            throw new \RuntimeException(\trim($message));
        }

        return $resource;
    }

    /**
     * @return resource
     */
    private function createStream(RequestInterface $request, array $options)
    {
        static $methods;
        if (!$methods) {
            $methods = \array_flip(\get_class_methods(__CLASS__));
        }

        if (!\in_array($request->getUri()->getScheme(), ['http', 'https'])) {
            throw new RequestException(\sprintf("The scheme '%s' is not supported.", $request->getUri()->getScheme()), $request);
        }

        // HTTP/1.1 streams using the PHP stream wrapper require a
        // Connection: close header
        if ($request->getProtocolVersion() == '1.1'
            && !$request->hasHeader('Connection')
        ) {
            $request = $request->withHeader('Connection', 'close');
        }

        // Ensure SSL is verified by default
        if (!isset($options['verify'])) {
            $options['verify'] = true;
        }

        $params = [];
        $context = $this->getDefaultContext($request);

        if (isset($options['on_headers']) && !\is_callable($options['on_headers'])) {
            throw new \InvalidArgumentException('on_headers must be callable');
        }

        if (!empty($options)) {
            foreach ($options as $key => $value) {
                $method = "add_{$key}";
                if (isset($methods[$method])) {
                    $this->{$method}($request, $context, $value, $params);
                }
            }
        }

        if (isset($options['stream_context'])) {
            if (!\is_array($options['stream_context'])) {
                throw new \InvalidArgumentException('stream_context must be an array');
            }
            $context = \array_replace_recursive($context, $options['stream_context']);
        }

        // Microsoft NTLM authentication only supported with curl handler
        if (isset($options['auth'][2]) && 'ntlm' === $options['auth'][2]) {
            throw new \InvalidArgumentException('Microsoft NTLM authentication only supported with curl handler');
        }

        $uri = $this->resolveHost($request, $options);

        $contextResource = $this->createResource(
            static function () use ($context, $params) {
                return \stream_context_create($context, $params);
            }
        );

        return $this->createResource(
            function () use ($uri, &$http_response_header, $contextResource, $context, $options, $request) {
                $resource = @\fopen((string) $uri, 'r', false, $contextResource);
                $this->lastHeaders = $http_response_header ?? [];

                if (false === $resource) {
                    throw new ConnectException(sprintf('Connection refused for URI %s', $uri), $request, null, $context);
                }

                if (isset($options['read_timeout'])) {
                    $readTimeout = $options['read_timeout'];
                    $sec = (int) $readTimeout;
                    $usec = ($readTimeout - $sec) * 100000;
                    \stream_set_timeout($resource, $sec, $usec);
                }

                return $resource;
            }
        );
    }

    private function resolveHost(RequestInterface $request, array $options): UriInterface
    {
        $uri = $request->getUri();

        if (isset($options['force_ip_resolve']) && !\filter_var($uri->getHost(), \FILTER_VALIDATE_IP)) {
            if ('v4' === $options['force_ip_resolve']) {
                $records = \dns_get_record($uri->getHost(), \DNS_A);
                if (false === $records || !isset($records[0]['ip'])) {
                    throw new ConnectException(\sprintf("Could not resolve IPv4 address for host '%s'", $uri->getHost()), $request);
                }
                return $uri->withHost($records[0]['ip']);
            }
            if ('v6' === $options['force_ip_resolve']) {
                $records = \dns_get_record($uri->getHost(), \DNS_AAAA);
                if (false === $records || !isset($records[0]['ipv6'])) {
                    throw new ConnectException(\sprintf("Could not resolve IPv6 address for host '%s'", $uri->getHost()), $request);
                }
                return $uri->withHost('[' . $records[0]['ipv6'] . ']');
            }
        }

        return $uri;
    }

    private function getDefaultContext(RequestInterface $request): array
    {
        $headers = '';
        foreach ($request->getHeaders() as $name => $value) {
            foreach ($value as $val) {
                $headers .= "$name: $val\r\n";
            }
        }

        $context = [
            'http' => [
                'method'           => $request->getMethod(),
                'header'           => $headers,
                'protocol_version' => $request->getProtocolVersion(),
                'ignore_errors'    => true,
                'follow_location'  => 0,
            ],
            'ssl' => [
                'peer_name' => $request->getUri()->getHost(),
            ],
        ];

        $body = (string) $request->getBody();

        if (!empty($body)) {
            $context['http']['content'] = $body;
            // Prevent the HTTP handler from adding a Content-Type header.
            if (!$request->hasHeader('Content-Type')) {
                $context['http']['header'] .= "Content-Type:\r\n";
            }
        }

        $context['http']['header'] = \rtrim($context['http']['header']);

        return $context;
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_proxy(RequestInterface $request, array &$options, $value, array &$params): void
    {
        $uri = null;

        if (!\is_array($value)) {
            $uri = $value;
        } else {
            $scheme = $request->getUri()->getScheme();
            if (isset($value[$scheme])) {
                if (!isset($value['no']) || !Utils::isHostInNoProxy($request->getUri()->getHost(), $value['no'])) {
                    $uri = $value[$scheme];
                }
            }
        }

        if (!$uri) {
            return;
        }

        $parsed = $this->parse_proxy($uri);
        $options['http']['proxy'] = $parsed['proxy'];

        if ($parsed['auth']) {
            if (!isset($options['http']['header'])) {
                $options['http']['header'] = [];
            }
            $options['http']['header'] .= "\r\nProxy-Authorization: {$parsed['auth']}";
        }
    }

    /**
     * Parses the given proxy URL to make it compatible with the format PHP's stream context expects.
     */
    private function parse_proxy(string $url): array
    {
        $parsed = \parse_url($url);

        if ($parsed !== false && isset($parsed['scheme']) && $parsed['scheme'] === 'http') {
            if (isset($parsed['host']) && isset($parsed['port'])) {
                $auth = null;
                if (isset($parsed['user']) && isset($parsed['pass'])) {
                    $auth = \base64_encode("{$parsed['user']}:{$parsed['pass']}");
                }

                return [
                    'proxy' => "tcp://{$parsed['host']}:{$parsed['port']}",
                    'auth' => $auth ? "Basic {$auth}" : null,
                ];
            }
        }

        // Return proxy as-is.
        return [
            'proxy' => $url,
            'auth' => null,
        ];
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_timeout(RequestInterface $request, array &$options, $value, array &$params): void
    {
        if ($value > 0) {
            $options['http']['timeout'] = $value;
        }
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_verify(RequestInterface $request, array &$options, $value, array &$params): void
    {
        if ($value === false) {
            $options['ssl']['verify_peer'] = false;
            $options['ssl']['verify_peer_name'] = false;

            return;
        }

        if (\is_string($value)) {
            $options['ssl']['cafile'] = $value;
            if (!\file_exists($value)) {
                throw new \RuntimeException("SSL CA bundle not found: $value");
            }
        } elseif ($value !== true) {
            throw new \InvalidArgumentException('Invalid verify request option');
        }

        $options['ssl']['verify_peer'] = true;
        $options['ssl']['verify_peer_name'] = true;
        $options['ssl']['allow_self_signed'] = false;
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_cert(RequestInterface $request, array &$options, $value, array &$params): void
    {
        if (\is_array($value)) {
            $options['ssl']['passphrase'] = $value[1];
            $value = $value[0];
        }

        if (!\file_exists($value)) {
            throw new \RuntimeException("SSL certificate not found: {$value}");
        }

        $options['ssl']['local_cert'] = $value;
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_progress(RequestInterface $request, array &$options, $value, array &$params): void
    {
        self::addNotification(
            $params,
            static function ($code, $a, $b, $c, $transferred, $total) use ($value) {
                if ($code == \STREAM_NOTIFY_PROGRESS) {
                    // The upload progress cannot be determined. Use 0 for cURL compatibility:
                    // https://curl.se/libcurl/c/CURLOPT_PROGRESSFUNCTION.html
                    $value($total, $transferred, 0, 0);
                }
            }
        );
    }

    /**
     * @param mixed $value as passed via Request transfer options.
     */
    private function add_debug(RequestInterface $request, array &$options, $value, array &$params): void
    {
        if ($value === false) {
            return;
        }

        static $map = [
            \STREAM_NOTIFY_CONNECT       => 'CONNECT',
            \STREAM_NOTIFY_AUTH_REQUIRED => 'AUTH_REQUIRED',
            \STREAM_NOTIFY_AUTH_RESULT   => 'AUTH_RESULT',
            \STREAM_NOTIFY_MIME_TYPE_IS  => 'MIME_TYPE_IS',
            \STREAM_NOTIFY_FILE_SIZE_IS  => 'FILE_SIZE_IS',
            \STREAM_NOTIFY_REDIRECTED    => 'REDIRECTED',
            \STREAM_NOTIFY_PROGRESS      => 'PROGRESS',
            \STREAM_NOTIFY_FAILURE       => 'FAILURE',
            \STREAM_NOTIFY_COMPLETED     => 'COMPLETED',
            \STREAM_NOTIFY_RESOLVE       => 'RESOLVE',
        ];
        static $args = ['severity', 'message', 'message_code', 'bytes_transferred', 'bytes_max'];

        $value = Utils::debugResource($value);
        $ident = $request->getMethod() . ' ' . $request->getUri()->withFragment('');
        self::addNotification(
            $params,
            static function (int $code, ...$passed) use ($ident, $value, $map, $args): void {
                \fprintf($value, '<%s> [%s] ', $ident, $map[$code]);
                foreach (\array_filter($passed) as $i => $v) {
                    \fwrite($value, $args[$i] . ': "' . $v . '" ');
                }
                \fwrite($value, "\n");
            }
        );
    }

    private static function addNotification(array &$params, callable $notify): void
    {
        // Wrap the existing function if needed.
        if (!isset($params['notification'])) {
            $params['notification'] = $notify;
        } else {
            $params['notification'] = self::callArray([
                $params['notification'],
                $notify
            ]);
        }
    }

    private static function callArray(array $functions): callable
    {
        return static function (...$args) use ($functions) {
            foreach ($functions as $fn) {
                $fn(...$args);
            }
        };
    }
}
PK     –ˆU]©+UŠ"  Š"  3  vendor/guzzlehttp/guzzle/src/RedirectMiddleware.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Exception\BadResponseException;
use GuzzleHttp\Exception\TooManyRedirectsException;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * Request redirect middleware.
 *
 * Apply this middleware like other middleware using
 * {@see \GuzzleHttp\Middleware::redirect()}.
 *
 * @final
 */
class RedirectMiddleware
{
    public const HISTORY_HEADER = 'X-Guzzle-Redirect-History';

    public const STATUS_HISTORY_HEADER = 'X-Guzzle-Redirect-Status-History';

    /**
     * @var array
     */
    public static $defaultSettings = [
        'max'             => 5,
        'protocols'       => ['http', 'https'],
        'strict'          => false,
        'referer'         => false,
        'track_redirects' => false,
    ];

    /**
     * @var callable(RequestInterface, array): PromiseInterface
     */
    private $nextHandler;

    /**
     * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke.
     */
    public function __construct(callable $nextHandler)
    {
        $this->nextHandler = $nextHandler;
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        $fn = $this->nextHandler;

        if (empty($options['allow_redirects'])) {
            return $fn($request, $options);
        }

        if ($options['allow_redirects'] === true) {
            $options['allow_redirects'] = self::$defaultSettings;
        } elseif (!\is_array($options['allow_redirects'])) {
            throw new \InvalidArgumentException('allow_redirects must be true, false, or array');
        } else {
            // Merge the default settings with the provided settings
            $options['allow_redirects'] += self::$defaultSettings;
        }

        if (empty($options['allow_redirects']['max'])) {
            return $fn($request, $options);
        }

        return $fn($request, $options)
            ->then(function (ResponseInterface $response) use ($request, $options) {
                return $this->checkRedirect($request, $options, $response);
            });
    }

    /**
     * @return ResponseInterface|PromiseInterface
     */
    public function checkRedirect(RequestInterface $request, array $options, ResponseInterface $response)
    {
        if (\strpos((string) $response->getStatusCode(), '3') !== 0
            || !$response->hasHeader('Location')
        ) {
            return $response;
        }

        $this->guardMax($request, $response, $options);
        $nextRequest = $this->modifyRequest($request, $options, $response);

        // If authorization is handled by curl, unset it if host is different.
        if ($request->getUri()->getHost() !== $nextRequest->getUri()->getHost()
            && defined('\CURLOPT_HTTPAUTH')
        ) {
            unset(
                $options['curl'][\CURLOPT_HTTPAUTH],
                $options['curl'][\CURLOPT_USERPWD]
            );
        }

        if (isset($options['allow_redirects']['on_redirect'])) {
            ($options['allow_redirects']['on_redirect'])(
                $request,
                $response,
                $nextRequest->getUri()
            );
        }

        $promise = $this($nextRequest, $options);

        // Add headers to be able to track history of redirects.
        if (!empty($options['allow_redirects']['track_redirects'])) {
            return $this->withTracking(
                $promise,
                (string) $nextRequest->getUri(),
                $response->getStatusCode()
            );
        }

        return $promise;
    }

    /**
     * Enable tracking on promise.
     */
    private function withTracking(PromiseInterface $promise, string $uri, int $statusCode): PromiseInterface
    {
        return $promise->then(
            static function (ResponseInterface $response) use ($uri, $statusCode) {
                // Note that we are pushing to the front of the list as this
                // would be an earlier response than what is currently present
                // in the history header.
                $historyHeader = $response->getHeader(self::HISTORY_HEADER);
                $statusHeader = $response->getHeader(self::STATUS_HISTORY_HEADER);
                \array_unshift($historyHeader, $uri);
                \array_unshift($statusHeader, (string) $statusCode);

                return $response->withHeader(self::HISTORY_HEADER, $historyHeader)
                                ->withHeader(self::STATUS_HISTORY_HEADER, $statusHeader);
            }
        );
    }

    /**
     * Check for too many redirects.
     *
     * @throws TooManyRedirectsException Too many redirects.
     */
    private function guardMax(RequestInterface $request, ResponseInterface $response, array &$options): void
    {
        $current = $options['__redirect_count']
            ?? 0;
        $options['__redirect_count'] = $current + 1;
        $max = $options['allow_redirects']['max'];

        if ($options['__redirect_count'] > $max) {
            throw new TooManyRedirectsException("Will not follow more than {$max} redirects", $request, $response);
        }
    }

    public function modifyRequest(RequestInterface $request, array $options, ResponseInterface $response): RequestInterface
    {
        // Request modifications to apply.
        $modify = [];
        $protocols = $options['allow_redirects']['protocols'];

        // Use a GET request if this is an entity enclosing request and we are
        // not forcing RFC compliance, but rather emulating what all browsers
        // would do.
        $statusCode = $response->getStatusCode();
        if ($statusCode == 303 ||
            ($statusCode <= 302 && !$options['allow_redirects']['strict'])
        ) {
            $safeMethods = ['GET', 'HEAD', 'OPTIONS'];
            $requestMethod = $request->getMethod();

            $modify['method'] = in_array($requestMethod, $safeMethods) ? $requestMethod : 'GET';
            $modify['body'] = '';
        }

        $uri = self::redirectUri($request, $response, $protocols);
        if (isset($options['idn_conversion']) && ($options['idn_conversion'] !== false)) {
            $idnOptions = ($options['idn_conversion'] === true) ? \IDNA_DEFAULT : $options['idn_conversion'];
            $uri = Utils::idnUriConvert($uri, $idnOptions);
        }

        $modify['uri'] = $uri;
        Psr7\Message::rewindBody($request);

        // Add the Referer header if it is told to do so and only
        // add the header if we are not redirecting from https to http.
        if ($options['allow_redirects']['referer']
            && $modify['uri']->getScheme() === $request->getUri()->getScheme()
        ) {
            $uri = $request->getUri()->withUserInfo('');
            $modify['set_headers']['Referer'] = (string) $uri;
        } else {
            $modify['remove_headers'][] = 'Referer';
        }

        // Remove Authorization and Cookie headers if required.
        if (self::shouldStripSensitiveHeaders($request->getUri(), $modify['uri'])) {
            $modify['remove_headers'][] = 'Authorization';
            $modify['remove_headers'][] = 'Cookie';
        }

        return Psr7\Utils::modifyRequest($request, $modify);
    }

    /**
     * Determine if we should strip sensitive headers from the request.
     *
     * We return true if either of the following conditions are true:
     *
     * 1. the host is different;
     * 2. the scheme has changed, and now is non-https.
     */
    private static function shouldStripSensitiveHeaders(
        UriInterface $originalUri,
        UriInterface $modifiedUri
    ): bool {
        if (\strcasecmp($originalUri->getHost(), $modifiedUri->getHost()) !== 0) {
            return true;
        }

        if ($originalUri->getScheme() !== $modifiedUri->getScheme() && 'https' !== $modifiedUri->getScheme()) {
            return true;
        }

        return false;
    }

    /**
     * Set the appropriate URL on the request based on the location header.
     */
    private static function redirectUri(
        RequestInterface $request,
        ResponseInterface $response,
        array $protocols
    ): UriInterface {
        $location = Psr7\UriResolver::resolve(
            $request->getUri(),
            new Psr7\Uri($response->getHeaderLine('Location'))
        );

        // Ensure that the redirect URI is allowed based on the protocols.
        if (!\in_array($location->getScheme(), $protocols)) {
            throw new BadResponseException(\sprintf('Redirect URI, %s, does not use one of the allowed redirect protocols: %s', $location, \implode(', ', $protocols)), $request, $response);
        }

        return $location;
    }
}
PK     —ˆU]kÀ¢   ¢   2  vendor/guzzlehttp/guzzle/src/functions_include.phpnu „[µü¤        <?php

// Don't redefine the functions if included multiple times.
if (!\function_exists('GuzzleHttp\describe_type')) {
    require __DIR__ . '/functions.php';
}
PK     —ˆU];<Ó2  Ó2  &  vendor/guzzlehttp/guzzle/src/Utils.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Exception\InvalidArgumentException;
use GuzzleHttp\Handler\CurlHandler;
use GuzzleHttp\Handler\CurlMultiHandler;
use GuzzleHttp\Handler\Proxy;
use GuzzleHttp\Handler\StreamHandler;
use Psr\Http\Message\UriInterface;

final class Utils
{
    /**
     * Debug function used to describe the provided value type and class.
     *
     * @param mixed $input
     *
     * @return string Returns a string containing the type of the variable and
     *                if a class is provided, the class name.
     */
    public static function describeType($input): string
    {
        switch (\gettype($input)) {
            case 'object':
                return 'object(' . \get_class($input) . ')';
            case 'array':
                return 'array(' . \count($input) . ')';
            default:
                \ob_start();
                \var_dump($input);
                // normalize float vs double
                /** @var string $varDumpContent */
                $varDumpContent = \ob_get_clean();

                return \str_replace('double(', 'float(', \rtrim($varDumpContent));
        }
    }

    /**
     * Parses an array of header lines into an associative array of headers.
     *
     * @param iterable $lines Header lines array of strings in the following
     *                        format: "Name: Value"
     */
    public static function headersFromLines(iterable $lines): array
    {
        $headers = [];

        foreach ($lines as $line) {
            $parts = \explode(':', $line, 2);
            $headers[\trim($parts[0])][] = isset($parts[1]) ? \trim($parts[1]) : null;
        }

        return $headers;
    }

    /**
     * Returns a debug stream based on the provided variable.
     *
     * @param mixed $value Optional value
     *
     * @return resource
     */
    public static function debugResource($value = null)
    {
        if (\is_resource($value)) {
            return $value;
        }
        if (\defined('STDOUT')) {
            return \STDOUT;
        }

        return \GuzzleHttp\Psr7\Utils::tryFopen('php://output', 'w');
    }

    /**
     * Chooses and creates a default handler to use based on the environment.
     *
     * The returned handler is not wrapped by any default middlewares.
     *
     * @throws \RuntimeException if no viable Handler is available.
     *
     * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the best handler for the given system.
     */
    public static function chooseHandler(): callable
    {
        $handler = null;
        if (\function_exists('curl_multi_exec') && \function_exists('curl_exec')) {
            $handler = Proxy::wrapSync(new CurlMultiHandler(), new CurlHandler());
        } elseif (\function_exists('curl_exec')) {
            $handler = new CurlHandler();
        } elseif (\function_exists('curl_multi_exec')) {
            $handler = new CurlMultiHandler();
        }

        if (\ini_get('allow_url_fopen')) {
            $handler = $handler
                ? Proxy::wrapStreaming($handler, new StreamHandler())
                : new StreamHandler();
        } elseif (!$handler) {
            throw new \RuntimeException('GuzzleHttp requires cURL, the allow_url_fopen ini setting, or a custom HTTP handler.');
        }

        return $handler;
    }

    /**
     * Get the default User-Agent string to use with Guzzle.
     */
    public static function defaultUserAgent(): string
    {
        return sprintf('GuzzleHttp/%d', ClientInterface::MAJOR_VERSION);
    }

    /**
     * Returns the default cacert bundle for the current system.
     *
     * First, the openssl.cafile and curl.cainfo php.ini settings are checked.
     * If those settings are not configured, then the common locations for
     * bundles found on Red Hat, CentOS, Fedora, Ubuntu, Debian, FreeBSD, OS X
     * and Windows are checked. If any of these file locations are found on
     * disk, they will be utilized.
     *
     * Note: the result of this function is cached for subsequent calls.
     *
     * @throws \RuntimeException if no bundle can be found.
     *
     * @deprecated Utils::defaultCaBundle will be removed in guzzlehttp/guzzle:8.0. This method is not needed in PHP 5.6+.
     */
    public static function defaultCaBundle(): string
    {
        static $cached = null;
        static $cafiles = [
            // Red Hat, CentOS, Fedora (provided by the ca-certificates package)
            '/etc/pki/tls/certs/ca-bundle.crt',
            // Ubuntu, Debian (provided by the ca-certificates package)
            '/etc/ssl/certs/ca-certificates.crt',
            // FreeBSD (provided by the ca_root_nss package)
            '/usr/local/share/certs/ca-root-nss.crt',
            // SLES 12 (provided by the ca-certificates package)
            '/var/lib/ca-certificates/ca-bundle.pem',
            // OS X provided by homebrew (using the default path)
            '/usr/local/etc/openssl/cert.pem',
            // Google app engine
            '/etc/ca-certificates.crt',
            // Windows?
            'C:\\windows\\system32\\curl-ca-bundle.crt',
            'C:\\windows\\curl-ca-bundle.crt',
        ];

        if ($cached) {
            return $cached;
        }

        if ($ca = \ini_get('openssl.cafile')) {
            return $cached = $ca;
        }

        if ($ca = \ini_get('curl.cainfo')) {
            return $cached = $ca;
        }

        foreach ($cafiles as $filename) {
            if (\file_exists($filename)) {
                return $cached = $filename;
            }
        }

        throw new \RuntimeException(
            <<< EOT
No system CA bundle could be found in any of the the common system locations.
PHP versions earlier than 5.6 are not properly configured to use the system's
CA bundle by default. In order to verify peer certificates, you will need to
supply the path on disk to a certificate bundle to the 'verify' request
option: http://docs.guzzlephp.org/en/latest/clients.html#verify. If you do not
need a specific certificate bundle, then Mozilla provides a commonly used CA
bundle which can be downloaded here (provided by the maintainer of cURL):
https://curl.haxx.se/ca/cacert.pem. Once
you have a CA bundle available on disk, you can set the 'openssl.cafile' PHP
ini setting to point to the path to the file, allowing you to omit the 'verify'
request option. See https://curl.haxx.se/docs/sslcerts.html for more
information.
EOT
        );
    }

    /**
     * Creates an associative array of lowercase header names to the actual
     * header casing.
     */
    public static function normalizeHeaderKeys(array $headers): array
    {
        $result = [];
        foreach (\array_keys($headers) as $key) {
            $result[\strtolower($key)] = $key;
        }

        return $result;
    }

    /**
     * Returns true if the provided host matches any of the no proxy areas.
     *
     * This method will strip a port from the host if it is present. Each pattern
     * can be matched with an exact match (e.g., "foo.com" == "foo.com") or a
     * partial match: (e.g., "foo.com" == "baz.foo.com" and ".foo.com" ==
     * "baz.foo.com", but ".foo.com" != "foo.com").
     *
     * Areas are matched in the following cases:
     * 1. "*" (without quotes) always matches any hosts.
     * 2. An exact match.
     * 3. The area starts with "." and the area is the last part of the host. e.g.
     *    '.mit.edu' will match any host that ends with '.mit.edu'.
     *
     * @param string   $host         Host to check against the patterns.
     * @param string[] $noProxyArray An array of host patterns.
     *
     * @throws InvalidArgumentException
     */
    public static function isHostInNoProxy(string $host, array $noProxyArray): bool
    {
        if (\strlen($host) === 0) {
            throw new InvalidArgumentException('Empty host provided');
        }

        // Strip port if present.
        [$host] = \explode(':', $host, 2);

        foreach ($noProxyArray as $area) {
            // Always match on wildcards.
            if ($area === '*') {
                return true;
            }

            if (empty($area)) {
                // Don't match on empty values.
                continue;
            }

            if ($area === $host) {
                // Exact matches.
                return true;
            }
            // Special match if the area when prefixed with ".". Remove any
            // existing leading "." and add a new leading ".".
            $area = '.' . \ltrim($area, '.');
            if (\substr($host, -(\strlen($area))) === $area) {
                return true;
            }
        }

        return false;
    }

    /**
     * Wrapper for json_decode that throws when an error occurs.
     *
     * @param string $json    JSON data to parse
     * @param bool   $assoc   When true, returned objects will be converted
     *                        into associative arrays.
     * @param int    $depth   User specified recursion depth.
     * @param int    $options Bitmask of JSON decode options.
     *
     * @return object|array|string|int|float|bool|null
     *
     * @throws InvalidArgumentException if the JSON cannot be decoded.
     *
     * @link https://www.php.net/manual/en/function.json-decode.php
     */
    public static function jsonDecode(string $json, bool $assoc = false, int $depth = 512, int $options = 0)
    {
        $data = \json_decode($json, $assoc, $depth, $options);
        if (\JSON_ERROR_NONE !== \json_last_error()) {
            throw new InvalidArgumentException('json_decode error: ' . \json_last_error_msg());
        }

        return $data;
    }

    /**
     * Wrapper for JSON encoding that throws when an error occurs.
     *
     * @param mixed $value   The value being encoded
     * @param int   $options JSON encode option bitmask
     * @param int   $depth   Set the maximum depth. Must be greater than zero.
     *
     * @throws InvalidArgumentException if the JSON cannot be encoded.
     *
     * @link https://www.php.net/manual/en/function.json-encode.php
     */
    public static function jsonEncode($value, int $options = 0, int $depth = 512): string
    {
        $json = \json_encode($value, $options, $depth);
        if (\JSON_ERROR_NONE !== \json_last_error()) {
            throw new InvalidArgumentException('json_encode error: ' . \json_last_error_msg());
        }

        /** @var string */
        return $json;
    }

    /**
     * Wrapper for the hrtime() or microtime() functions
     * (depending on the PHP version, one of the two is used)
     *
     * @return float UNIX timestamp
     *
     * @internal
     */
    public static function currentTime(): float
    {
        return (float) \function_exists('hrtime') ? \hrtime(true) / 1e9 : \microtime(true);
    }

    /**
     * @throws InvalidArgumentException
     *
     * @internal
     */
    public static function idnUriConvert(UriInterface $uri, int $options = 0): UriInterface
    {
        if ($uri->getHost()) {
            $asciiHost = self::idnToAsci($uri->getHost(), $options, $info);
            if ($asciiHost === false) {
                $errorBitSet = $info['errors'] ?? 0;

                $errorConstants = array_filter(array_keys(get_defined_constants()), static function (string $name): bool {
                    return substr($name, 0, 11) === 'IDNA_ERROR_';
                });

                $errors = [];
                foreach ($errorConstants as $errorConstant) {
                    if ($errorBitSet & constant($errorConstant)) {
                        $errors[] = $errorConstant;
                    }
                }

                $errorMessage = 'IDN conversion failed';
                if ($errors) {
                    $errorMessage .= ' (errors: ' . implode(', ', $errors) . ')';
                }

                throw new InvalidArgumentException($errorMessage);
            }
            if ($uri->getHost() !== $asciiHost) {
                // Replace URI only if the ASCII version is different
                $uri = $uri->withHost($asciiHost);
            }
        }

        return $uri;
    }

    /**
     * @internal
     */
    public static function getenv(string $name): ?string
    {
        if (isset($_SERVER[$name])) {
            return (string) $_SERVER[$name];
        }

        if (\PHP_SAPI === 'cli' && ($value = \getenv($name)) !== false && $value !== null) {
            return (string) $value;
        }

        return null;
    }

    /**
     * @return string|false
     */
    private static function idnToAsci(string $domain, int $options, ?array &$info = [])
    {
        if (\function_exists('idn_to_ascii') && \defined('INTL_IDNA_VARIANT_UTS46')) {
            return \idn_to_ascii($domain, $options, \INTL_IDNA_VARIANT_UTS46, $info);
        }

        throw new \Error('ext-idn or symfony/polyfill-intl-idn not loaded or too old');
    }
}
PK     —ˆU]îÃVx.#  .#  ,  vendor/guzzlehttp/guzzle/src/ClientTrait.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Exception\GuzzleException;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * Client interface for sending HTTP requests.
 */
trait ClientTrait
{
    /**
     * Create and send an HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string              $method  HTTP method.
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    abstract public function request(string $method, $uri, array $options = []): ResponseInterface;

    /**
     * Create and send an HTTP GET request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function get($uri, array $options = []): ResponseInterface
    {
        return $this->request('GET', $uri, $options);
    }

    /**
     * Create and send an HTTP HEAD request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function head($uri, array $options = []): ResponseInterface
    {
        return $this->request('HEAD', $uri, $options);
    }

    /**
     * Create and send an HTTP PUT request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function put($uri, array $options = []): ResponseInterface
    {
        return $this->request('PUT', $uri, $options);
    }

    /**
     * Create and send an HTTP POST request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function post($uri, array $options = []): ResponseInterface
    {
        return $this->request('POST', $uri, $options);
    }

    /**
     * Create and send an HTTP PATCH request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function patch($uri, array $options = []): ResponseInterface
    {
        return $this->request('PATCH', $uri, $options);
    }

    /**
     * Create and send an HTTP DELETE request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function delete($uri, array $options = []): ResponseInterface
    {
        return $this->request('DELETE', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string              $method  HTTP method
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    abstract public function requestAsync(string $method, $uri, array $options = []): PromiseInterface;

    /**
     * Create and send an asynchronous HTTP GET request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function getAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('GET', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP HEAD request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function headAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('HEAD', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP PUT request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function putAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('PUT', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP POST request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function postAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('POST', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP PATCH request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function patchAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('PATCH', $uri, $options);
    }

    /**
     * Create and send an asynchronous HTTP DELETE request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function deleteAsync($uri, array $options = []): PromiseInterface
    {
        return $this->requestAsync('DELETE', $uri, $options);
    }
}
PK     ˜ˆU]\ìÌð–+  –+  +  vendor/guzzlehttp/guzzle/src/Middleware.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Cookie\CookieJarInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerInterface;

/**
 * Functions used to create and wrap handlers with handler middleware.
 */
final class Middleware
{
    /**
     * Middleware that adds cookies to requests.
     *
     * The options array must be set to a CookieJarInterface in order to use
     * cookies. This is typically handled for you by a client.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function cookies(): callable
    {
        return static function (callable $handler): callable {
            return static function ($request, array $options) use ($handler) {
                if (empty($options['cookies'])) {
                    return $handler($request, $options);
                } elseif (!($options['cookies'] instanceof CookieJarInterface)) {
                    throw new \InvalidArgumentException('cookies must be an instance of GuzzleHttp\Cookie\CookieJarInterface');
                }
                $cookieJar = $options['cookies'];
                $request = $cookieJar->withCookieHeader($request);
                return $handler($request, $options)
                    ->then(
                        static function (ResponseInterface $response) use ($cookieJar, $request): ResponseInterface {
                            $cookieJar->extractCookies($request, $response);
                            return $response;
                        }
                    );
            };
        };
    }

    /**
     * Middleware that throws exceptions for 4xx or 5xx responses when the
     * "http_errors" request option is set to true.
     *
     * @param BodySummarizerInterface|null $bodySummarizer The body summarizer to use in exception messages.
     *
     * @return callable(callable): callable Returns a function that accepts the next handler.
     */
    public static function httpErrors(BodySummarizerInterface $bodySummarizer = null): callable
    {
        return static function (callable $handler) use ($bodySummarizer): callable {
            return static function ($request, array $options) use ($handler, $bodySummarizer) {
                if (empty($options['http_errors'])) {
                    return $handler($request, $options);
                }
                return $handler($request, $options)->then(
                    static function (ResponseInterface $response) use ($request, $bodySummarizer) {
                        $code = $response->getStatusCode();
                        if ($code < 400) {
                            return $response;
                        }
                        throw RequestException::create($request, $response, null, [], $bodySummarizer);
                    }
                );
            };
        };
    }

    /**
     * Middleware that pushes history data to an ArrayAccess container.
     *
     * @param array|\ArrayAccess<int, array> $container Container to hold the history (by reference).
     *
     * @return callable(callable): callable Returns a function that accepts the next handler.
     *
     * @throws \InvalidArgumentException if container is not an array or ArrayAccess.
     */
    public static function history(&$container): callable
    {
        if (!\is_array($container) && !$container instanceof \ArrayAccess) {
            throw new \InvalidArgumentException('history container must be an array or object implementing ArrayAccess');
        }

        return static function (callable $handler) use (&$container): callable {
            return static function (RequestInterface $request, array $options) use ($handler, &$container) {
                return $handler($request, $options)->then(
                    static function ($value) use ($request, &$container, $options) {
                        $container[] = [
                            'request'  => $request,
                            'response' => $value,
                            'error'    => null,
                            'options'  => $options
                        ];
                        return $value;
                    },
                    static function ($reason) use ($request, &$container, $options) {
                        $container[] = [
                            'request'  => $request,
                            'response' => null,
                            'error'    => $reason,
                            'options'  => $options
                        ];
                        return P\Create::rejectionFor($reason);
                    }
                );
            };
        };
    }

    /**
     * Middleware that invokes a callback before and after sending a request.
     *
     * The provided listener cannot modify or alter the response. It simply
     * "taps" into the chain to be notified before returning the promise. The
     * before listener accepts a request and options array, and the after
     * listener accepts a request, options array, and response promise.
     *
     * @param callable $before Function to invoke before forwarding the request.
     * @param callable $after  Function invoked after forwarding.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function tap(callable $before = null, callable $after = null): callable
    {
        return static function (callable $handler) use ($before, $after): callable {
            return static function (RequestInterface $request, array $options) use ($handler, $before, $after) {
                if ($before) {
                    $before($request, $options);
                }
                $response = $handler($request, $options);
                if ($after) {
                    $after($request, $options, $response);
                }
                return $response;
            };
        };
    }

    /**
     * Middleware that handles request redirects.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function redirect(): callable
    {
        return static function (callable $handler): RedirectMiddleware {
            return new RedirectMiddleware($handler);
        };
    }

    /**
     * Middleware that retries requests based on the boolean result of
     * invoking the provided "decider" function.
     *
     * If no delay function is provided, a simple implementation of exponential
     * backoff will be utilized.
     *
     * @param callable $decider Function that accepts the number of retries,
     *                          a request, [response], and [exception] and
     *                          returns true if the request is to be retried.
     * @param callable $delay   Function that accepts the number of retries and
     *                          returns the number of milliseconds to delay.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function retry(callable $decider, callable $delay = null): callable
    {
        return static function (callable $handler) use ($decider, $delay): RetryMiddleware {
            return new RetryMiddleware($decider, $handler, $delay);
        };
    }

    /**
     * Middleware that logs requests, responses, and errors using a message
     * formatter.
     *
     * @phpstan-param \Psr\Log\LogLevel::* $logLevel  Level at which to log requests.
     *
     * @param LoggerInterface                            $logger    Logs messages.
     * @param MessageFormatterInterface|MessageFormatter $formatter Formatter used to create message strings.
     * @param string                                     $logLevel  Level at which to log requests.
     *
     * @return callable Returns a function that accepts the next handler.
     */
    public static function log(LoggerInterface $logger, $formatter, string $logLevel = 'info'): callable
    {
        // To be compatible with Guzzle 7.1.x we need to allow users to pass a MessageFormatter
        if (!$formatter instanceof MessageFormatter && !$formatter instanceof MessageFormatterInterface) {
            throw new \LogicException(sprintf('Argument 2 to %s::log() must be of type %s', self::class, MessageFormatterInterface::class));
        }

        return static function (callable $handler) use ($logger, $formatter, $logLevel): callable {
            return static function (RequestInterface $request, array $options = []) use ($handler, $logger, $formatter, $logLevel) {
                return $handler($request, $options)->then(
                    static function ($response) use ($logger, $request, $formatter, $logLevel): ResponseInterface {
                        $message = $formatter->format($request, $response);
                        $logger->log($logLevel, $message);
                        return $response;
                    },
                    static function ($reason) use ($logger, $request, $formatter): PromiseInterface {
                        $response = $reason instanceof RequestException ? $reason->getResponse() : null;
                        $message = $formatter->format($request, $response, P\Create::exceptionFor($reason));
                        $logger->error($message);
                        return P\Create::rejectionFor($reason);
                    }
                );
            };
        };
    }

    /**
     * This middleware adds a default content-type if possible, a default
     * content-length or transfer-encoding header, and the expect header.
     */
    public static function prepareBody(): callable
    {
        return static function (callable $handler): PrepareBodyMiddleware {
            return new PrepareBodyMiddleware($handler);
        };
    }

    /**
     * Middleware that applies a map function to the request before passing to
     * the next handler.
     *
     * @param callable $fn Function that accepts a RequestInterface and returns
     *                     a RequestInterface.
     */
    public static function mapRequest(callable $fn): callable
    {
        return static function (callable $handler) use ($fn): callable {
            return static function (RequestInterface $request, array $options) use ($handler, $fn) {
                return $handler($fn($request), $options);
            };
        };
    }

    /**
     * Middleware that applies a map function to the resolved promise's
     * response.
     *
     * @param callable $fn Function that accepts a ResponseInterface and
     *                     returns a ResponseInterface.
     */
    public static function mapResponse(callable $fn): callable
    {
        return static function (callable $handler) use ($fn): callable {
            return static function (RequestInterface $request, array $options) use ($handler, $fn) {
                return $handler($request, $options)->then($fn);
            };
        };
    }
}
PK     ˜ˆU]•ž$:  :  *  vendor/guzzlehttp/guzzle/src/functions.phpnu „[µü¤        <?php

namespace GuzzleHttp;

/**
 * Debug function used to describe the provided value type and class.
 *
 * @param mixed $input Any type of variable to describe the type of. This
 *                     parameter misses a typehint because of that.
 *
 * @return string Returns a string containing the type of the variable and
 *                if a class is provided, the class name.
 *
 * @deprecated describe_type will be removed in guzzlehttp/guzzle:8.0. Use Utils::describeType instead.
 */
function describe_type($input): string
{
    return Utils::describeType($input);
}

/**
 * Parses an array of header lines into an associative array of headers.
 *
 * @param iterable $lines Header lines array of strings in the following
 *                        format: "Name: Value"
 *
 * @deprecated headers_from_lines will be removed in guzzlehttp/guzzle:8.0. Use Utils::headersFromLines instead.
 */
function headers_from_lines(iterable $lines): array
{
    return Utils::headersFromLines($lines);
}

/**
 * Returns a debug stream based on the provided variable.
 *
 * @param mixed $value Optional value
 *
 * @return resource
 *
 * @deprecated debug_resource will be removed in guzzlehttp/guzzle:8.0. Use Utils::debugResource instead.
 */
function debug_resource($value = null)
{
    return Utils::debugResource($value);
}

/**
 * Chooses and creates a default handler to use based on the environment.
 *
 * The returned handler is not wrapped by any default middlewares.
 *
 * @throws \RuntimeException if no viable Handler is available.
 *
 * @return callable(\Psr\Http\Message\RequestInterface, array): \GuzzleHttp\Promise\PromiseInterface Returns the best handler for the given system.
 *
 * @deprecated choose_handler will be removed in guzzlehttp/guzzle:8.0. Use Utils::chooseHandler instead.
 */
function choose_handler(): callable
{
    return Utils::chooseHandler();
}

/**
 * Get the default User-Agent string to use with Guzzle.
 *
 * @deprecated default_user_agent will be removed in guzzlehttp/guzzle:8.0. Use Utils::defaultUserAgent instead.
 */
function default_user_agent(): string
{
    return Utils::defaultUserAgent();
}

/**
 * Returns the default cacert bundle for the current system.
 *
 * First, the openssl.cafile and curl.cainfo php.ini settings are checked.
 * If those settings are not configured, then the common locations for
 * bundles found on Red Hat, CentOS, Fedora, Ubuntu, Debian, FreeBSD, OS X
 * and Windows are checked. If any of these file locations are found on
 * disk, they will be utilized.
 *
 * Note: the result of this function is cached for subsequent calls.
 *
 * @throws \RuntimeException if no bundle can be found.
 *
 * @deprecated default_ca_bundle will be removed in guzzlehttp/guzzle:8.0. This function is not needed in PHP 5.6+.
 */
function default_ca_bundle(): string
{
    return Utils::defaultCaBundle();
}

/**
 * Creates an associative array of lowercase header names to the actual
 * header casing.
 *
 * @deprecated normalize_header_keys will be removed in guzzlehttp/guzzle:8.0. Use Utils::normalizeHeaderKeys instead.
 */
function normalize_header_keys(array $headers): array
{
    return Utils::normalizeHeaderKeys($headers);
}

/**
 * Returns true if the provided host matches any of the no proxy areas.
 *
 * This method will strip a port from the host if it is present. Each pattern
 * can be matched with an exact match (e.g., "foo.com" == "foo.com") or a
 * partial match: (e.g., "foo.com" == "baz.foo.com" and ".foo.com" ==
 * "baz.foo.com", but ".foo.com" != "foo.com").
 *
 * Areas are matched in the following cases:
 * 1. "*" (without quotes) always matches any hosts.
 * 2. An exact match.
 * 3. The area starts with "." and the area is the last part of the host. e.g.
 *    '.mit.edu' will match any host that ends with '.mit.edu'.
 *
 * @param string   $host         Host to check against the patterns.
 * @param string[] $noProxyArray An array of host patterns.
 *
 * @throws Exception\InvalidArgumentException
 *
 * @deprecated is_host_in_noproxy will be removed in guzzlehttp/guzzle:8.0. Use Utils::isHostInNoProxy instead.
 */
function is_host_in_noproxy(string $host, array $noProxyArray): bool
{
    return Utils::isHostInNoProxy($host, $noProxyArray);
}

/**
 * Wrapper for json_decode that throws when an error occurs.
 *
 * @param string $json    JSON data to parse
 * @param bool   $assoc   When true, returned objects will be converted
 *                        into associative arrays.
 * @param int    $depth   User specified recursion depth.
 * @param int    $options Bitmask of JSON decode options.
 *
 * @return object|array|string|int|float|bool|null
 *
 * @throws Exception\InvalidArgumentException if the JSON cannot be decoded.
 *
 * @link https://www.php.net/manual/en/function.json-decode.php
 * @deprecated json_decode will be removed in guzzlehttp/guzzle:8.0. Use Utils::jsonDecode instead.
 */
function json_decode(string $json, bool $assoc = false, int $depth = 512, int $options = 0)
{
    return Utils::jsonDecode($json, $assoc, $depth, $options);
}

/**
 * Wrapper for JSON encoding that throws when an error occurs.
 *
 * @param mixed $value   The value being encoded
 * @param int   $options JSON encode option bitmask
 * @param int   $depth   Set the maximum depth. Must be greater than zero.
 *
 * @throws Exception\InvalidArgumentException if the JSON cannot be encoded.
 *
 * @link https://www.php.net/manual/en/function.json-encode.php
 * @deprecated json_encode will be removed in guzzlehttp/guzzle:8.0. Use Utils::jsonEncode instead.
 */
function json_encode($value, int $options = 0, int $depth = 512): string
{
    return Utils::jsonEncode($value, $options, $depth);
}
PK     ˜ˆU]]¤œÓé   é   8  vendor/guzzlehttp/guzzle/src/BodySummarizerInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use Psr\Http\Message\MessageInterface;

interface BodySummarizerInterface
{
    /**
     * Returns a summarized message body.
     */
    public function summarize(MessageInterface $message): ?string;
}
PK     ˜ˆU]Ô9\Š  Š  1  vendor/guzzlehttp/guzzle/src/MessageFormatter.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Formats log messages using variable substitutions for requests, responses,
 * and other transactional data.
 *
 * The following variable substitutions are supported:
 *
 * - {request}:        Full HTTP request message
 * - {response}:       Full HTTP response message
 * - {ts}:             ISO 8601 date in GMT
 * - {date_iso_8601}   ISO 8601 date in GMT
 * - {date_common_log} Apache common log date using the configured timezone.
 * - {host}:           Host of the request
 * - {method}:         Method of the request
 * - {uri}:            URI of the request
 * - {version}:        Protocol version
 * - {target}:         Request target of the request (path + query + fragment)
 * - {hostname}:       Hostname of the machine that sent the request
 * - {code}:           Status code of the response (if available)
 * - {phrase}:         Reason phrase of the response  (if available)
 * - {error}:          Any error messages (if available)
 * - {req_header_*}:   Replace `*` with the lowercased name of a request header to add to the message
 * - {res_header_*}:   Replace `*` with the lowercased name of a response header to add to the message
 * - {req_headers}:    Request headers
 * - {res_headers}:    Response headers
 * - {req_body}:       Request body
 * - {res_body}:       Response body
 *
 * @final
 */
class MessageFormatter implements MessageFormatterInterface
{
    /**
     * Apache Common Log Format.
     *
     * @link https://httpd.apache.org/docs/2.4/logs.html#common
     *
     * @var string
     */
    public const CLF = "{hostname} {req_header_User-Agent} - [{date_common_log}] \"{method} {target} HTTP/{version}\" {code} {res_header_Content-Length}";
    public const DEBUG = ">>>>>>>>\n{request}\n<<<<<<<<\n{response}\n--------\n{error}";
    public const SHORT = '[{ts}] "{method} {target} HTTP/{version}" {code}';

    /**
     * @var string Template used to format log messages
     */
    private $template;

    /**
     * @param string $template Log message template
     */
    public function __construct(?string $template = self::CLF)
    {
        $this->template = $template ?: self::CLF;
    }

    /**
     * Returns a formatted message string.
     *
     * @param RequestInterface       $request  Request that was sent
     * @param ResponseInterface|null $response Response that was received
     * @param \Throwable|null        $error    Exception that was received
     */
    public function format(RequestInterface $request, ?ResponseInterface $response = null, ?\Throwable $error = null): string
    {
        $cache = [];

        /** @var string */
        return \preg_replace_callback(
            '/{\s*([A-Za-z_\-\.0-9]+)\s*}/',
            function (array $matches) use ($request, $response, $error, &$cache) {
                if (isset($cache[$matches[1]])) {
                    return $cache[$matches[1]];
                }

                $result = '';
                switch ($matches[1]) {
                    case 'request':
                        $result = Psr7\Message::toString($request);
                        break;
                    case 'response':
                        $result = $response ? Psr7\Message::toString($response) : '';
                        break;
                    case 'req_headers':
                        $result = \trim($request->getMethod()
                                . ' ' . $request->getRequestTarget())
                            . ' HTTP/' . $request->getProtocolVersion() . "\r\n"
                            . $this->headers($request);
                        break;
                    case 'res_headers':
                        $result = $response ?
                            \sprintf(
                                'HTTP/%s %d %s',
                                $response->getProtocolVersion(),
                                $response->getStatusCode(),
                                $response->getReasonPhrase()
                            ) . "\r\n" . $this->headers($response)
                            : 'NULL';
                        break;
                    case 'req_body':
                        $result = $request->getBody()->__toString();
                        break;
                    case 'res_body':
                        if (!$response instanceof ResponseInterface) {
                            $result = 'NULL';
                            break;
                        }

                        $body = $response->getBody();

                        if (!$body->isSeekable()) {
                            $result = 'RESPONSE_NOT_LOGGEABLE';
                            break;
                        }

                        $result = $response->getBody()->__toString();
                        break;
                    case 'ts':
                    case 'date_iso_8601':
                        $result = \gmdate('c');
                        break;
                    case 'date_common_log':
                        $result = \date('d/M/Y:H:i:s O');
                        break;
                    case 'method':
                        $result = $request->getMethod();
                        break;
                    case 'version':
                        $result = $request->getProtocolVersion();
                        break;
                    case 'uri':
                    case 'url':
                        $result = $request->getUri()->__toString();
                        break;
                    case 'target':
                        $result = $request->getRequestTarget();
                        break;
                    case 'req_version':
                        $result = $request->getProtocolVersion();
                        break;
                    case 'res_version':
                        $result = $response
                            ? $response->getProtocolVersion()
                            : 'NULL';
                        break;
                    case 'host':
                        $result = $request->getHeaderLine('Host');
                        break;
                    case 'hostname':
                        $result = \gethostname();
                        break;
                    case 'code':
                        $result = $response ? $response->getStatusCode() : 'NULL';
                        break;
                    case 'phrase':
                        $result = $response ? $response->getReasonPhrase() : 'NULL';
                        break;
                    case 'error':
                        $result = $error ? $error->getMessage() : 'NULL';
                        break;
                    default:
                        // handle prefixed dynamic headers
                        if (\strpos($matches[1], 'req_header_') === 0) {
                            $result = $request->getHeaderLine(\substr($matches[1], 11));
                        } elseif (\strpos($matches[1], 'res_header_') === 0) {
                            $result = $response
                                ? $response->getHeaderLine(\substr($matches[1], 11))
                                : 'NULL';
                        }
                }

                $cache[$matches[1]] = $result;
                return $result;
            },
            $this->template
        );
    }

    /**
     * Get headers from message as string
     */
    private function headers(MessageInterface $message): string
    {
        $result = '';
        foreach ($message->getHeaders() as $name => $values) {
            $result .= $name . ': ' . \implode(', ', $values) . "\r\n";
        }

        return \trim($result);
    }
}
PK     ™ˆU]¯©‡¡1  1  :  vendor/guzzlehttp/guzzle/src/MessageFormatterInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

interface MessageFormatterInterface
{
    /**
     * Returns a formatted message string.
     *
     * @param RequestInterface       $request  Request that was sent
     * @param ResponseInterface|null $response Response that was received
     * @param \Throwable|null        $error    Exception that was received
     */
    public function format(RequestInterface $request, ?ResponseInterface $response = null, ?\Throwable $error = null): string;
}
PK     ™ˆU]=mMÏL  L  6  vendor/guzzlehttp/guzzle/src/PrepareBodyMiddleware.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;

/**
 * Prepares requests that contain a body, adding the Content-Length,
 * Content-Type, and Expect headers.
 *
 * @final
 */
class PrepareBodyMiddleware
{
    /**
     * @var callable(RequestInterface, array): PromiseInterface
     */
    private $nextHandler;

    /**
     * @param callable(RequestInterface, array): PromiseInterface $nextHandler Next handler to invoke.
     */
    public function __construct(callable $nextHandler)
    {
        $this->nextHandler = $nextHandler;
    }

    public function __invoke(RequestInterface $request, array $options): PromiseInterface
    {
        $fn = $this->nextHandler;

        // Don't do anything if the request has no body.
        if ($request->getBody()->getSize() === 0) {
            return $fn($request, $options);
        }

        $modify = [];

        // Add a default content-type if possible.
        if (!$request->hasHeader('Content-Type')) {
            if ($uri = $request->getBody()->getMetadata('uri')) {
                if (is_string($uri) && $type = Psr7\MimeType::fromFilename($uri)) {
                    $modify['set_headers']['Content-Type'] = $type;
                }
            }
        }

        // Add a default content-length or transfer-encoding header.
        if (!$request->hasHeader('Content-Length')
            && !$request->hasHeader('Transfer-Encoding')
        ) {
            $size = $request->getBody()->getSize();
            if ($size !== null) {
                $modify['set_headers']['Content-Length'] = $size;
            } else {
                $modify['set_headers']['Transfer-Encoding'] = 'chunked';
            }
        }

        // Add the expect header if needed.
        $this->addExpectHeader($request, $options, $modify);

        return $fn(Psr7\Utils::modifyRequest($request, $modify), $options);
    }

    /**
     * Add expect header
     */
    private function addExpectHeader(RequestInterface $request, array $options, array &$modify): void
    {
        // Determine if the Expect header should be used
        if ($request->hasHeader('Expect')) {
            return;
        }

        $expect = $options['expect'] ?? null;

        // Return if disabled or if you're not using HTTP/1.1 or HTTP/2.0
        if ($expect === false || $request->getProtocolVersion() < 1.1) {
            return;
        }

        // The expect header is unconditionally enabled
        if ($expect === true) {
            $modify['set_headers']['Expect'] = '100-Continue';
            return;
        }

        // By default, send the expect header when the payload is > 1mb
        if ($expect === null) {
            $expect = 1048576;
        }

        // Always add if the body cannot be rewound, the size cannot be
        // determined, or the size is greater than the cutoff threshold
        $body = $request->getBody();
        $size = $body->getSize();

        if ($size === null || $size >= (int) $expect || !$body->isSeekable()) {
            $modify['set_headers']['Expect'] = '100-Continue';
        }
    }
}
PK     ™ˆU]oDl  l  .  vendor/guzzlehttp/guzzle/src/TransferStats.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * Represents data at the point after it was transferred either successfully
 * or after a network error.
 */
final class TransferStats
{
    /**
     * @var RequestInterface
     */
    private $request;

    /**
     * @var ResponseInterface|null
     */
    private $response;

    /**
     * @var float|null
     */
    private $transferTime;

    /**
     * @var array
     */
    private $handlerStats;

    /**
     * @var mixed|null
     */
    private $handlerErrorData;

    /**
     * @param RequestInterface       $request          Request that was sent.
     * @param ResponseInterface|null $response         Response received (if any)
     * @param float|null             $transferTime     Total handler transfer time.
     * @param mixed                  $handlerErrorData Handler error data.
     * @param array                  $handlerStats     Handler specific stats.
     */
    public function __construct(
        RequestInterface $request,
        ?ResponseInterface $response = null,
        ?float $transferTime = null,
        $handlerErrorData = null,
        array $handlerStats = []
    ) {
        $this->request = $request;
        $this->response = $response;
        $this->transferTime = $transferTime;
        $this->handlerErrorData = $handlerErrorData;
        $this->handlerStats = $handlerStats;
    }

    public function getRequest(): RequestInterface
    {
        return $this->request;
    }

    /**
     * Returns the response that was received (if any).
     */
    public function getResponse(): ?ResponseInterface
    {
        return $this->response;
    }

    /**
     * Returns true if a response was received.
     */
    public function hasResponse(): bool
    {
        return $this->response !== null;
    }

    /**
     * Gets handler specific error data.
     *
     * This might be an exception, a integer representing an error code, or
     * anything else. Relying on this value assumes that you know what handler
     * you are using.
     *
     * @return mixed
     */
    public function getHandlerErrorData()
    {
        return $this->handlerErrorData;
    }

    /**
     * Get the effective URI the request was sent to.
     */
    public function getEffectiveUri(): UriInterface
    {
        return $this->request->getUri();
    }

    /**
     * Get the estimated time the request was being transferred by the handler.
     *
     * @return float|null Time in seconds.
     */
    public function getTransferTime(): ?float
    {
        return $this->transferTime;
    }

    /**
     * Gets an array of all of the handler specific transfer data.
     */
    public function getHandlerStats(): array
    {
        return $this->handlerStats;
    }

    /**
     * Get a specific handler statistic from the handler by name.
     *
     * @param string $stat Handler specific transfer stat to retrieve.
     *
     * @return mixed|null
     */
    public function getHandlerStat(string $stat)
    {
        return $this->handlerStats[$stat] ?? null;
    }
}
PK     ™ˆU]˜ÿYÆ
  Æ
  5  vendor/guzzlehttp/guzzle/src/Cookie/FileCookieJar.phpnu „[µü¤        <?php

namespace GuzzleHttp\Cookie;

use GuzzleHttp\Utils;

/**
 * Persists non-session cookies using a JSON formatted file
 */
class FileCookieJar extends CookieJar
{
    /**
     * @var string filename
     */
    private $filename;

    /**
     * @var bool Control whether to persist session cookies or not.
     */
    private $storeSessionCookies;

    /**
     * Create a new FileCookieJar object
     *
     * @param string $cookieFile          File to store the cookie data
     * @param bool   $storeSessionCookies Set to true to store session cookies
     *                                    in the cookie jar.
     *
     * @throws \RuntimeException if the file cannot be found or created
     */
    public function __construct(string $cookieFile, bool $storeSessionCookies = false)
    {
        parent::__construct();
        $this->filename = $cookieFile;
        $this->storeSessionCookies = $storeSessionCookies;

        if (\file_exists($cookieFile)) {
            $this->load($cookieFile);
        }
    }

    /**
     * Saves the file when shutting down
     */
    public function __destruct()
    {
        $this->save($this->filename);
    }

    /**
     * Saves the cookies to a file.
     *
     * @param string $filename File to save
     *
     * @throws \RuntimeException if the file cannot be found or created
     */
    public function save(string $filename): void
    {
        $json = [];
        /** @var SetCookie $cookie */
        foreach ($this as $cookie) {
            if (CookieJar::shouldPersist($cookie, $this->storeSessionCookies)) {
                $json[] = $cookie->toArray();
            }
        }

        $jsonStr = Utils::jsonEncode($json);
        if (false === \file_put_contents($filename, $jsonStr, \LOCK_EX)) {
            throw new \RuntimeException("Unable to save file {$filename}");
        }
    }

    /**
     * Load cookies from a JSON formatted file.
     *
     * Old cookies are kept unless overwritten by newly loaded ones.
     *
     * @param string $filename Cookie file to load.
     *
     * @throws \RuntimeException if the file cannot be loaded.
     */
    public function load(string $filename): void
    {
        $json = \file_get_contents($filename);
        if (false === $json) {
            throw new \RuntimeException("Unable to load file {$filename}");
        }
        if ($json === '') {
            return;
        }

        $data = Utils::jsonDecode($json, true);
        if (\is_array($data)) {
            foreach ($data as $cookie) {
                $this->setCookie(new SetCookie($cookie));
            }
        } elseif (\is_scalar($data) && !empty($data)) {
            throw new \RuntimeException("Invalid cookie file: {$filename}");
        }
    }
}
PK     šˆU]ï��wÍ%  Í%  1  vendor/guzzlehttp/guzzle/src/Cookie/CookieJar.phpnu „[µü¤        <?php

namespace GuzzleHttp\Cookie;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Cookie jar that stores cookies as an array
 */
class CookieJar implements CookieJarInterface
{
    /**
     * @var SetCookie[] Loaded cookie data
     */
    private $cookies = [];

    /**
     * @var bool
     */
    private $strictMode;

    /**
     * @param bool  $strictMode  Set to true to throw exceptions when invalid
     *                           cookies are added to the cookie jar.
     * @param array $cookieArray Array of SetCookie objects or a hash of
     *                           arrays that can be used with the SetCookie
     *                           constructor
     */
    public function __construct(bool $strictMode = false, array $cookieArray = [])
    {
        $this->strictMode = $strictMode;

        foreach ($cookieArray as $cookie) {
            if (!($cookie instanceof SetCookie)) {
                $cookie = new SetCookie($cookie);
            }
            $this->setCookie($cookie);
        }
    }

    /**
     * Create a new Cookie jar from an associative array and domain.
     *
     * @param array  $cookies Cookies to create the jar from
     * @param string $domain  Domain to set the cookies to
     */
    public static function fromArray(array $cookies, string $domain): self
    {
        $cookieJar = new self();
        foreach ($cookies as $name => $value) {
            $cookieJar->setCookie(new SetCookie([
                'Domain'  => $domain,
                'Name'    => $name,
                'Value'   => $value,
                'Discard' => true
            ]));
        }

        return $cookieJar;
    }

    /**
     * Evaluate if this cookie should be persisted to storage
     * that survives between requests.
     *
     * @param SetCookie $cookie              Being evaluated.
     * @param bool      $allowSessionCookies If we should persist session cookies
     */
    public static function shouldPersist(SetCookie $cookie, bool $allowSessionCookies = false): bool
    {
        if ($cookie->getExpires() || $allowSessionCookies) {
            if (!$cookie->getDiscard()) {
                return true;
            }
        }

        return false;
    }

    /**
     * Finds and returns the cookie based on the name
     *
     * @param string $name cookie name to search for
     *
     * @return SetCookie|null cookie that was found or null if not found
     */
    public function getCookieByName(string $name): ?SetCookie
    {
        foreach ($this->cookies as $cookie) {
            if ($cookie->getName() !== null && \strcasecmp($cookie->getName(), $name) === 0) {
                return $cookie;
            }
        }

        return null;
    }

    /**
     * @inheritDoc
     */
    public function toArray(): array
    {
        return \array_map(static function (SetCookie $cookie): array {
            return $cookie->toArray();
        }, $this->getIterator()->getArrayCopy());
    }

    /**
     * @inheritDoc
     */
    public function clear(?string $domain = null, ?string $path = null, ?string $name = null): void
    {
        if (!$domain) {
            $this->cookies = [];
            return;
        } elseif (!$path) {
            $this->cookies = \array_filter(
                $this->cookies,
                static function (SetCookie $cookie) use ($domain): bool {
                    return !$cookie->matchesDomain($domain);
                }
            );
        } elseif (!$name) {
            $this->cookies = \array_filter(
                $this->cookies,
                static function (SetCookie $cookie) use ($path, $domain): bool {
                    return !($cookie->matchesPath($path) &&
                        $cookie->matchesDomain($domain));
                }
            );
        } else {
            $this->cookies = \array_filter(
                $this->cookies,
                static function (SetCookie $cookie) use ($path, $domain, $name) {
                    return !($cookie->getName() == $name &&
                        $cookie->matchesPath($path) &&
                        $cookie->matchesDomain($domain));
                }
            );
        }
    }

    /**
     * @inheritDoc
     */
    public function clearSessionCookies(): void
    {
        $this->cookies = \array_filter(
            $this->cookies,
            static function (SetCookie $cookie): bool {
                return !$cookie->getDiscard() && $cookie->getExpires();
            }
        );
    }

    /**
     * @inheritDoc
     */
    public function setCookie(SetCookie $cookie): bool
    {
        // If the name string is empty (but not 0), ignore the set-cookie
        // string entirely.
        $name = $cookie->getName();
        if (!$name && $name !== '0') {
            return false;
        }

        // Only allow cookies with set and valid domain, name, value
        $result = $cookie->validate();
        if ($result !== true) {
            if ($this->strictMode) {
                throw new \RuntimeException('Invalid cookie: ' . $result);
            }
            $this->removeCookieIfEmpty($cookie);
            return false;
        }

        // Resolve conflicts with previously set cookies
        foreach ($this->cookies as $i => $c) {

            // Two cookies are identical, when their path, and domain are
            // identical.
            if ($c->getPath() != $cookie->getPath() ||
                $c->getDomain() != $cookie->getDomain() ||
                $c->getName() != $cookie->getName()
            ) {
                continue;
            }

            // The previously set cookie is a discard cookie and this one is
            // not so allow the new cookie to be set
            if (!$cookie->getDiscard() && $c->getDiscard()) {
                unset($this->cookies[$i]);
                continue;
            }

            // If the new cookie's expiration is further into the future, then
            // replace the old cookie
            if ($cookie->getExpires() > $c->getExpires()) {
                unset($this->cookies[$i]);
                continue;
            }

            // If the value has changed, we better change it
            if ($cookie->getValue() !== $c->getValue()) {
                unset($this->cookies[$i]);
                continue;
            }

            // The cookie exists, so no need to continue
            return false;
        }

        $this->cookies[] = $cookie;

        return true;
    }

    public function count(): int
    {
        return \count($this->cookies);
    }

    /**
     * @return \ArrayIterator<int, SetCookie>
     */
    public function getIterator(): \ArrayIterator
    {
        return new \ArrayIterator(\array_values($this->cookies));
    }

    public function extractCookies(RequestInterface $request, ResponseInterface $response): void
    {
        if ($cookieHeader = $response->getHeader('Set-Cookie')) {
            foreach ($cookieHeader as $cookie) {
                $sc = SetCookie::fromString($cookie);
                if (!$sc->getDomain()) {
                    $sc->setDomain($request->getUri()->getHost());
                }
                if (0 !== \strpos($sc->getPath(), '/')) {
                    $sc->setPath($this->getCookiePathFromRequest($request));
                }
                if (!$sc->matchesDomain($request->getUri()->getHost())) {
                    continue;
                }
                // Note: At this point `$sc->getDomain()` being a public suffix should
                // be rejected, but we don't want to pull in the full PSL dependency.
                $this->setCookie($sc);
            }
        }
    }

    /**
     * Computes cookie path following RFC 6265 section 5.1.4
     *
     * @link https://tools.ietf.org/html/rfc6265#section-5.1.4
     */
    private function getCookiePathFromRequest(RequestInterface $request): string
    {
        $uriPath = $request->getUri()->getPath();
        if ('' === $uriPath) {
            return '/';
        }
        if (0 !== \strpos($uriPath, '/')) {
            return '/';
        }
        if ('/' === $uriPath) {
            return '/';
        }
        $lastSlashPos = \strrpos($uriPath, '/');
        if (0 === $lastSlashPos || false === $lastSlashPos) {
            return '/';
        }

        return \substr($uriPath, 0, $lastSlashPos);
    }

    public function withCookieHeader(RequestInterface $request): RequestInterface
    {
        $values = [];
        $uri = $request->getUri();
        $scheme = $uri->getScheme();
        $host = $uri->getHost();
        $path = $uri->getPath() ?: '/';

        foreach ($this->cookies as $cookie) {
            if ($cookie->matchesPath($path) &&
                $cookie->matchesDomain($host) &&
                !$cookie->isExpired() &&
                (!$cookie->getSecure() || $scheme === 'https')
            ) {
                $values[] = $cookie->getName() . '='
                    . $cookie->getValue();
            }
        }

        return $values
            ? $request->withHeader('Cookie', \implode('; ', $values))
            : $request;
    }

    /**
     * If a cookie already exists and the server asks to set it again with a
     * null value, the cookie must be deleted.
     */
    private function removeCookieIfEmpty(SetCookie $cookie): void
    {
        $cookieValue = $cookie->getValue();
        if ($cookieValue === null || $cookieValue === '') {
            $this->clear(
                $cookie->getDomain(),
                $cookie->getPath(),
                $cookie->getName()
            );
        }
    }
}
PK     šˆU]ïlg©Ó  Ó  8  vendor/guzzlehttp/guzzle/src/Cookie/SessionCookieJar.phpnu „[µü¤        <?php

namespace GuzzleHttp\Cookie;

/**
 * Persists cookies in the client session
 */
class SessionCookieJar extends CookieJar
{
    /**
     * @var string session key
     */
    private $sessionKey;

    /**
     * @var bool Control whether to persist session cookies or not.
     */
    private $storeSessionCookies;

    /**
     * Create a new SessionCookieJar object
     *
     * @param string $sessionKey          Session key name to store the cookie
     *                                    data in session
     * @param bool   $storeSessionCookies Set to true to store session cookies
     *                                    in the cookie jar.
     */
    public function __construct(string $sessionKey, bool $storeSessionCookies = false)
    {
        parent::__construct();
        $this->sessionKey = $sessionKey;
        $this->storeSessionCookies = $storeSessionCookies;
        $this->load();
    }

    /**
     * Saves cookies to session when shutting down
     */
    public function __destruct()
    {
        $this->save();
    }

    /**
     * Save cookies to the client session
     */
    public function save(): void
    {
        $json = [];
        /** @var SetCookie $cookie */
        foreach ($this as $cookie) {
            if (CookieJar::shouldPersist($cookie, $this->storeSessionCookies)) {
                $json[] = $cookie->toArray();
            }
        }

        $_SESSION[$this->sessionKey] = \json_encode($json);
    }

    /**
     * Load the contents of the client session into the data array
     */
    protected function load(): void
    {
        if (!isset($_SESSION[$this->sessionKey])) {
            return;
        }
        $data = \json_decode($_SESSION[$this->sessionKey], true);
        if (\is_array($data)) {
            foreach ($data as $cookie) {
                $this->setCookie(new SetCookie($cookie));
            }
        } elseif (\strlen($data)) {
            throw new \RuntimeException("Invalid cookie data");
        }
    }
}
PK     šˆU]Àëj!    :  vendor/guzzlehttp/guzzle/src/Cookie/CookieJarInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp\Cookie;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Stores HTTP cookies.
 *
 * It extracts cookies from HTTP requests, and returns them in HTTP responses.
 * CookieJarInterface instances automatically expire contained cookies when
 * necessary. Subclasses are also responsible for storing and retrieving
 * cookies from a file, database, etc.
 *
 * @link https://docs.python.org/2/library/cookielib.html Inspiration
 * @extends \IteratorAggregate<SetCookie>
 */
interface CookieJarInterface extends \Countable, \IteratorAggregate
{
    /**
     * Create a request with added cookie headers.
     *
     * If no matching cookies are found in the cookie jar, then no Cookie
     * header is added to the request and the same request is returned.
     *
     * @param RequestInterface $request Request object to modify.
     *
     * @return RequestInterface returns the modified request.
     */
    public function withCookieHeader(RequestInterface $request): RequestInterface;

    /**
     * Extract cookies from an HTTP response and store them in the CookieJar.
     *
     * @param RequestInterface  $request  Request that was sent
     * @param ResponseInterface $response Response that was received
     */
    public function extractCookies(RequestInterface $request, ResponseInterface $response): void;

    /**
     * Sets a cookie in the cookie jar.
     *
     * @param SetCookie $cookie Cookie to set.
     *
     * @return bool Returns true on success or false on failure
     */
    public function setCookie(SetCookie $cookie): bool;

    /**
     * Remove cookies currently held in the cookie jar.
     *
     * Invoking this method without arguments will empty the whole cookie jar.
     * If given a $domain argument only cookies belonging to that domain will
     * be removed. If given a $domain and $path argument, cookies belonging to
     * the specified path within that domain are removed. If given all three
     * arguments, then the cookie with the specified name, path and domain is
     * removed.
     *
     * @param string|null $domain Clears cookies matching a domain
     * @param string|null $path   Clears cookies matching a domain and path
     * @param string|null $name   Clears cookies matching a domain, path, and name
     */
    public function clear(?string $domain = null, ?string $path = null, ?string $name = null): void;

    /**
     * Discard all sessions cookies.
     *
     * Removes cookies that don't have an expire field or a have a discard
     * field set to true. To be called when the user agent shuts down according
     * to RFC 2965.
     */
    public function clearSessionCookies(): void;

    /**
     * Converts the cookie jar to an array.
     */
    public function toArray(): array;
}
PK     šˆU]ì(<­°3  °3  1  vendor/guzzlehttp/guzzle/src/Cookie/SetCookie.phpnu „[µü¤        <?php

namespace GuzzleHttp\Cookie;

/**
 * Set-Cookie object
 */
class SetCookie
{
    /**
     * @var array
     */
    private static $defaults = [
        'Name'     => null,
        'Value'    => null,
        'Domain'   => null,
        'Path'     => '/',
        'Max-Age'  => null,
        'Expires'  => null,
        'Secure'   => false,
        'Discard'  => false,
        'HttpOnly' => false
    ];

    /**
     * @var array Cookie data
     */
    private $data;

    /**
     * Create a new SetCookie object from a string.
     *
     * @param string $cookie Set-Cookie header string
     */
    public static function fromString(string $cookie): self
    {
        // Create the default return array
        $data = self::$defaults;
        // Explode the cookie string using a series of semicolons
        $pieces = \array_filter(\array_map('trim', \explode(';', $cookie)));
        // The name of the cookie (first kvp) must exist and include an equal sign.
        if (!isset($pieces[0]) || \strpos($pieces[0], '=') === false) {
            return new self($data);
        }

        // Add the cookie pieces into the parsed data array
        foreach ($pieces as $part) {
            $cookieParts = \explode('=', $part, 2);
            $key = \trim($cookieParts[0]);
            $value = isset($cookieParts[1])
                ? \trim($cookieParts[1], " \n\r\t\0\x0B")
                : true;

            // Only check for non-cookies when cookies have been found
            if (!isset($data['Name'])) {
                $data['Name'] = $key;
                $data['Value'] = $value;
            } else {
                foreach (\array_keys(self::$defaults) as $search) {
                    if (!\strcasecmp($search, $key)) {
                        $data[$search] = $value;
                        continue 2;
                    }
                }
                $data[$key] = $value;
            }
        }

        return new self($data);
    }

    /**
     * @param array $data Array of cookie data provided by a Cookie parser
     */
    public function __construct(array $data = [])
    {
        /** @var array|null $replaced will be null in case of replace error */
        $replaced = \array_replace(self::$defaults, $data);
        if ($replaced === null) {
            throw new \InvalidArgumentException('Unable to replace the default values for the Cookie.');
        }

        $this->data = $replaced;
        // Extract the Expires value and turn it into a UNIX timestamp if needed
        if (!$this->getExpires() && $this->getMaxAge()) {
            // Calculate the Expires date
            $this->setExpires(\time() + $this->getMaxAge());
        } elseif (null !== ($expires = $this->getExpires()) && !\is_numeric($expires)) {
            $this->setExpires($expires);
        }
    }

    public function __toString()
    {
        $str = $this->data['Name'] . '=' . ($this->data['Value'] ?? '') . '; ';
        foreach ($this->data as $k => $v) {
            if ($k !== 'Name' && $k !== 'Value' && $v !== null && $v !== false) {
                if ($k === 'Expires') {
                    $str .= 'Expires=' . \gmdate('D, d M Y H:i:s \G\M\T', $v) . '; ';
                } else {
                    $str .= ($v === true ? $k : "{$k}={$v}") . '; ';
                }
            }
        }

        return \rtrim($str, '; ');
    }

    public function toArray(): array
    {
        return $this->data;
    }

    /**
     * Get the cookie name.
     *
     * @return string
     */
    public function getName()
    {
        return $this->data['Name'];
    }

    /**
     * Set the cookie name.
     *
     * @param string $name Cookie name
     */
    public function setName($name): void
    {
        if (!is_string($name)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a string to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Name'] = (string) $name;
    }

    /**
     * Get the cookie value.
     *
     * @return string|null
     */
    public function getValue()
    {
        return $this->data['Value'];
    }

    /**
     * Set the cookie value.
     *
     * @param string $value Cookie value
     */
    public function setValue($value): void
    {
        if (!is_string($value)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a string to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Value'] = (string) $value;
    }

    /**
     * Get the domain.
     *
     * @return string|null
     */
    public function getDomain()
    {
        return $this->data['Domain'];
    }

    /**
     * Set the domain of the cookie.
     *
     * @param string|null $domain
     */
    public function setDomain($domain): void
    {
        if (!is_string($domain) && null !== $domain) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a string or null to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Domain'] = null === $domain ? null : (string) $domain;
    }

    /**
     * Get the path.
     *
     * @return string
     */
    public function getPath()
    {
        return $this->data['Path'];
    }

    /**
     * Set the path of the cookie.
     *
     * @param string $path Path of the cookie
     */
    public function setPath($path): void
    {
        if (!is_string($path)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a string to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Path'] = (string) $path;
    }

    /**
     * Maximum lifetime of the cookie in seconds.
     *
     * @return int|null
     */
    public function getMaxAge()
    {
        return null === $this->data['Max-Age'] ? null : (int) $this->data['Max-Age'];
    }

    /**
     * Set the max-age of the cookie.
     *
     * @param int|null $maxAge Max age of the cookie in seconds
     */
    public function setMaxAge($maxAge): void
    {
        if (!is_int($maxAge) && null !== $maxAge) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing an int or null to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Max-Age'] = $maxAge === null ? null : (int) $maxAge;
    }

    /**
     * The UNIX timestamp when the cookie Expires.
     *
     * @return string|int|null
     */
    public function getExpires()
    {
        return $this->data['Expires'];
    }

    /**
     * Set the unix timestamp for which the cookie will expire.
     *
     * @param int|string|null $timestamp Unix timestamp or any English textual datetime description.
     */
    public function setExpires($timestamp): void
    {
        if (!is_int($timestamp) && !is_string($timestamp) && null !== $timestamp) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing an int, string or null to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Expires'] = null === $timestamp ? null : (\is_numeric($timestamp) ? (int) $timestamp : \strtotime((string) $timestamp));
    }

    /**
     * Get whether or not this is a secure cookie.
     *
     * @return bool
     */
    public function getSecure()
    {
        return $this->data['Secure'];
    }

    /**
     * Set whether or not the cookie is secure.
     *
     * @param bool $secure Set to true or false if secure
     */
    public function setSecure($secure): void
    {
        if (!is_bool($secure)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a bool to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Secure'] = (bool) $secure;
    }

    /**
     * Get whether or not this is a session cookie.
     *
     * @return bool|null
     */
    public function getDiscard()
    {
        return $this->data['Discard'];
    }

    /**
     * Set whether or not this is a session cookie.
     *
     * @param bool $discard Set to true or false if this is a session cookie
     */
    public function setDiscard($discard): void
    {
        if (!is_bool($discard)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a bool to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['Discard'] = (bool) $discard;
    }

    /**
     * Get whether or not this is an HTTP only cookie.
     *
     * @return bool
     */
    public function getHttpOnly()
    {
        return $this->data['HttpOnly'];
    }

    /**
     * Set whether or not this is an HTTP only cookie.
     *
     * @param bool $httpOnly Set to true or false if this is HTTP only
     */
    public function setHttpOnly($httpOnly): void
    {
        if (!is_bool($httpOnly)) {
            trigger_deprecation('guzzlehttp/guzzle', '7.4', 'Not passing a bool to %s::%s() is deprecated and will cause an error in 8.0.', __CLASS__, __FUNCTION__);
        }

        $this->data['HttpOnly'] = (bool) $httpOnly;
    }

    /**
     * Check if the cookie matches a path value.
     *
     * A request-path path-matches a given cookie-path if at least one of
     * the following conditions holds:
     *
     * - The cookie-path and the request-path are identical.
     * - The cookie-path is a prefix of the request-path, and the last
     *   character of the cookie-path is %x2F ("/").
     * - The cookie-path is a prefix of the request-path, and the first
     *   character of the request-path that is not included in the cookie-
     *   path is a %x2F ("/") character.
     *
     * @param string $requestPath Path to check against
     */
    public function matchesPath(string $requestPath): bool
    {
        $cookiePath = $this->getPath();

        // Match on exact matches or when path is the default empty "/"
        if ($cookiePath === '/' || $cookiePath == $requestPath) {
            return true;
        }

        // Ensure that the cookie-path is a prefix of the request path.
        if (0 !== \strpos($requestPath, $cookiePath)) {
            return false;
        }

        // Match if the last character of the cookie-path is "/"
        if (\substr($cookiePath, -1, 1) === '/') {
            return true;
        }

        // Match if the first character not included in cookie path is "/"
        return \substr($requestPath, \strlen($cookiePath), 1) === '/';
    }

    /**
     * Check if the cookie matches a domain value.
     *
     * @param string $domain Domain to check against
     */
    public function matchesDomain(string $domain): bool
    {
        $cookieDomain = $this->getDomain();
        if (null === $cookieDomain) {
            return true;
        }

        // Remove the leading '.' as per spec in RFC 6265.
        // https://tools.ietf.org/html/rfc6265#section-5.2.3
        $cookieDomain = \ltrim(\strtolower($cookieDomain), '.');

        $domain = \strtolower($domain);

        // Domain not set or exact match.
        if ('' === $cookieDomain || $domain === $cookieDomain) {
            return true;
        }

        // Matching the subdomain according to RFC 6265.
        // https://tools.ietf.org/html/rfc6265#section-5.1.3
        if (\filter_var($domain, \FILTER_VALIDATE_IP)) {
            return false;
        }

        return (bool) \preg_match('/\.' . \preg_quote($cookieDomain, '/') . '$/', $domain);
    }

    /**
     * Check if the cookie is expired.
     */
    public function isExpired(): bool
    {
        return $this->getExpires() !== null && \time() > $this->getExpires();
    }

    /**
     * Check if the cookie is valid according to RFC 6265.
     *
     * @return bool|string Returns true if valid or an error message if invalid
     */
    public function validate()
    {
        $name = $this->getName();
        if ($name === '') {
            return 'The cookie name must not be empty';
        }

        // Check if any of the invalid characters are present in the cookie name
        if (\preg_match(
            '/[\x00-\x20\x22\x28-\x29\x2c\x2f\x3a-\x40\x5c\x7b\x7d\x7f]/',
            $name
        )) {
            return 'Cookie name must not contain invalid characters: ASCII '
                . 'Control characters (0-31;127), space, tab and the '
                . 'following characters: ()<>@,;:\"/?={}';
        }

        // Value must not be null. 0 and empty string are valid. Empty strings
        // are technically against RFC 6265, but known to happen in the wild.
        $value = $this->getValue();
        if ($value === null) {
            return 'The cookie value must not be empty';
        }

        // Domains must not be empty, but can be 0. "0" is not a valid internet
        // domain, but may be used as server name in a private network.
        $domain = $this->getDomain();
        if ($domain === null || $domain === '') {
            return 'The cookie domain must not be empty';
        }

        return true;
    }
}
PK     ›ˆU]ÇË?ÂG  ÂG  '  vendor/guzzlehttp/guzzle/src/Client.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Cookie\CookieJar;
use GuzzleHttp\Exception\GuzzleException;
use GuzzleHttp\Exception\InvalidArgumentException;
use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * @final
 */
class Client implements ClientInterface, \Psr\Http\Client\ClientInterface
{
    use ClientTrait;

    /**
     * @var array Default request options
     */
    private $config;

    /**
     * Clients accept an array of constructor parameters.
     *
     * Here's an example of creating a client using a base_uri and an array of
     * default request options to apply to each request:
     *
     *     $client = new Client([
     *         'base_uri'        => 'http://www.foo.com/1.0/',
     *         'timeout'         => 0,
     *         'allow_redirects' => false,
     *         'proxy'           => '192.168.16.1:10'
     *     ]);
     *
     * Client configuration settings include the following options:
     *
     * - handler: (callable) Function that transfers HTTP requests over the
     *   wire. The function is called with a Psr7\Http\Message\RequestInterface
     *   and array of transfer options, and must return a
     *   GuzzleHttp\Promise\PromiseInterface that is fulfilled with a
     *   Psr7\Http\Message\ResponseInterface on success.
     *   If no handler is provided, a default handler will be created
     *   that enables all of the request options below by attaching all of the
     *   default middleware to the handler.
     * - base_uri: (string|UriInterface) Base URI of the client that is merged
     *   into relative URIs. Can be a string or instance of UriInterface.
     * - **: any request option
     *
     * @param array $config Client configuration settings.
     *
     * @see \GuzzleHttp\RequestOptions for a list of available request options.
     */
    public function __construct(array $config = [])
    {
        if (!isset($config['handler'])) {
            $config['handler'] = HandlerStack::create();
        } elseif (!\is_callable($config['handler'])) {
            throw new InvalidArgumentException('handler must be a callable');
        }

        // Convert the base_uri to a UriInterface
        if (isset($config['base_uri'])) {
            $config['base_uri'] = Psr7\Utils::uriFor($config['base_uri']);
        }

        $this->configureDefaults($config);
    }

    /**
     * @param string $method
     * @param array  $args
     *
     * @return PromiseInterface|ResponseInterface
     *
     * @deprecated Client::__call will be removed in guzzlehttp/guzzle:8.0.
     */
    public function __call($method, $args)
    {
        if (\count($args) < 1) {
            throw new InvalidArgumentException('Magic request methods require a URI and optional options array');
        }

        $uri = $args[0];
        $opts = $args[1] ?? [];

        return \substr($method, -5) === 'Async'
            ? $this->requestAsync(\substr($method, 0, -5), $uri, $opts)
            : $this->request($method, $uri, $opts);
    }

    /**
     * Asynchronously send an HTTP request.
     *
     * @param array $options Request options to apply to the given
     *                       request and to the transfer. See \GuzzleHttp\RequestOptions.
     */
    public function sendAsync(RequestInterface $request, array $options = []): PromiseInterface
    {
        // Merge the base URI into the request URI if needed.
        $options = $this->prepareDefaults($options);

        return $this->transfer(
            $request->withUri($this->buildUri($request->getUri(), $options), $request->hasHeader('Host')),
            $options
        );
    }

    /**
     * Send an HTTP request.
     *
     * @param array $options Request options to apply to the given
     *                       request and to the transfer. See \GuzzleHttp\RequestOptions.
     *
     * @throws GuzzleException
     */
    public function send(RequestInterface $request, array $options = []): ResponseInterface
    {
        $options[RequestOptions::SYNCHRONOUS] = true;
        return $this->sendAsync($request, $options)->wait();
    }

    /**
     * The HttpClient PSR (PSR-18) specify this method.
     *
     * @inheritDoc
     */
    public function sendRequest(RequestInterface $request): ResponseInterface
    {
        $options[RequestOptions::SYNCHRONOUS] = true;
        $options[RequestOptions::ALLOW_REDIRECTS] = false;
        $options[RequestOptions::HTTP_ERRORS] = false;

        return $this->sendAsync($request, $options)->wait();
    }

    /**
     * Create and send an asynchronous HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string              $method  HTTP method
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply. See \GuzzleHttp\RequestOptions.
     */
    public function requestAsync(string $method, $uri = '', array $options = []): PromiseInterface
    {
        $options = $this->prepareDefaults($options);
        // Remove request modifying parameter because it can be done up-front.
        $headers = $options['headers'] ?? [];
        $body = $options['body'] ?? null;
        $version = $options['version'] ?? '1.1';
        // Merge the URI into the base URI.
        $uri = $this->buildUri(Psr7\Utils::uriFor($uri), $options);
        if (\is_array($body)) {
            throw $this->invalidBody();
        }
        $request = new Psr7\Request($method, $uri, $headers, $body, $version);
        // Remove the option so that they are not doubly-applied.
        unset($options['headers'], $options['body'], $options['version']);

        return $this->transfer($request, $options);
    }

    /**
     * Create and send an HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string              $method  HTTP method.
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply. See \GuzzleHttp\RequestOptions.
     *
     * @throws GuzzleException
     */
    public function request(string $method, $uri = '', array $options = []): ResponseInterface
    {
        $options[RequestOptions::SYNCHRONOUS] = true;
        return $this->requestAsync($method, $uri, $options)->wait();
    }

    /**
     * Get a client configuration option.
     *
     * These options include default request options of the client, a "handler"
     * (if utilized by the concrete client), and a "base_uri" if utilized by
     * the concrete client.
     *
     * @param string|null $option The config option to retrieve.
     *
     * @return mixed
     *
     * @deprecated Client::getConfig will be removed in guzzlehttp/guzzle:8.0.
     */
    public function getConfig(?string $option = null)
    {
        return $option === null
            ? $this->config
            : ($this->config[$option] ?? null);
    }

    private function buildUri(UriInterface $uri, array $config): UriInterface
    {
        if (isset($config['base_uri'])) {
            $uri = Psr7\UriResolver::resolve(Psr7\Utils::uriFor($config['base_uri']), $uri);
        }

        if (isset($config['idn_conversion']) && ($config['idn_conversion'] !== false)) {
            $idnOptions = ($config['idn_conversion'] === true) ? \IDNA_DEFAULT : $config['idn_conversion'];
            $uri = Utils::idnUriConvert($uri, $idnOptions);
        }

        return $uri->getScheme() === '' && $uri->getHost() !== '' ? $uri->withScheme('http') : $uri;
    }

    /**
     * Configures the default options for a client.
     */
    private function configureDefaults(array $config): void
    {
        $defaults = [
            'allow_redirects' => RedirectMiddleware::$defaultSettings,
            'http_errors'     => true,
            'decode_content'  => true,
            'verify'          => true,
            'cookies'         => false,
            'idn_conversion'  => false,
        ];

        // Use the standard Linux HTTP_PROXY and HTTPS_PROXY if set.

        // We can only trust the HTTP_PROXY environment variable in a CLI
        // process due to the fact that PHP has no reliable mechanism to
        // get environment variables that start with "HTTP_".
        if (\PHP_SAPI === 'cli' && ($proxy = Utils::getenv('HTTP_PROXY'))) {
            $defaults['proxy']['http'] = $proxy;
        }

        if ($proxy = Utils::getenv('HTTPS_PROXY')) {
            $defaults['proxy']['https'] = $proxy;
        }

        if ($noProxy = Utils::getenv('NO_PROXY')) {
            $cleanedNoProxy = \str_replace(' ', '', $noProxy);
            $defaults['proxy']['no'] = \explode(',', $cleanedNoProxy);
        }

        $this->config = $config + $defaults;

        if (!empty($config['cookies']) && $config['cookies'] === true) {
            $this->config['cookies'] = new CookieJar();
        }

        // Add the default user-agent header.
        if (!isset($this->config['headers'])) {
            $this->config['headers'] = ['User-Agent' => Utils::defaultUserAgent()];
        } else {
            // Add the User-Agent header if one was not already set.
            foreach (\array_keys($this->config['headers']) as $name) {
                if (\strtolower($name) === 'user-agent') {
                    return;
                }
            }
            $this->config['headers']['User-Agent'] = Utils::defaultUserAgent();
        }
    }

    /**
     * Merges default options into the array.
     *
     * @param array $options Options to modify by reference
     */
    private function prepareDefaults(array $options): array
    {
        $defaults = $this->config;

        if (!empty($defaults['headers'])) {
            // Default headers are only added if they are not present.
            $defaults['_conditional'] = $defaults['headers'];
            unset($defaults['headers']);
        }

        // Special handling for headers is required as they are added as
        // conditional headers and as headers passed to a request ctor.
        if (\array_key_exists('headers', $options)) {
            // Allows default headers to be unset.
            if ($options['headers'] === null) {
                $defaults['_conditional'] = [];
                unset($options['headers']);
            } elseif (!\is_array($options['headers'])) {
                throw new InvalidArgumentException('headers must be an array');
            }
        }

        // Shallow merge defaults underneath options.
        $result = $options + $defaults;

        // Remove null values.
        foreach ($result as $k => $v) {
            if ($v === null) {
                unset($result[$k]);
            }
        }

        return $result;
    }

    /**
     * Transfers the given request and applies request options.
     *
     * The URI of the request is not modified and the request options are used
     * as-is without merging in default options.
     *
     * @param array $options See \GuzzleHttp\RequestOptions.
     */
    private function transfer(RequestInterface $request, array $options): PromiseInterface
    {
        $request = $this->applyOptions($request, $options);
        /** @var HandlerStack $handler */
        $handler = $options['handler'];

        try {
            return P\Create::promiseFor($handler($request, $options));
        } catch (\Exception $e) {
            return P\Create::rejectionFor($e);
        }
    }

    /**
     * Applies the array of request options to a request.
     */
    private function applyOptions(RequestInterface $request, array &$options): RequestInterface
    {
        $modify = [
            'set_headers' => [],
        ];

        if (isset($options['headers'])) {
            if (array_keys($options['headers']) === range(0, count($options['headers']) - 1)) {
                throw new InvalidArgumentException('The headers array must have header name as keys.');
            }
            $modify['set_headers'] = $options['headers'];
            unset($options['headers']);
        }

        if (isset($options['form_params'])) {
            if (isset($options['multipart'])) {
                throw new InvalidArgumentException('You cannot use '
                    . 'form_params and multipart at the same time. Use the '
                    . 'form_params option if you want to send application/'
                    . 'x-www-form-urlencoded requests, and the multipart '
                    . 'option to send multipart/form-data requests.');
            }
            $options['body'] = \http_build_query($options['form_params'], '', '&');
            unset($options['form_params']);
            // Ensure that we don't have the header in different case and set the new value.
            $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']);
            $options['_conditional']['Content-Type'] = 'application/x-www-form-urlencoded';
        }

        if (isset($options['multipart'])) {
            $options['body'] = new Psr7\MultipartStream($options['multipart']);
            unset($options['multipart']);
        }

        if (isset($options['json'])) {
            $options['body'] = Utils::jsonEncode($options['json']);
            unset($options['json']);
            // Ensure that we don't have the header in different case and set the new value.
            $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']);
            $options['_conditional']['Content-Type'] = 'application/json';
        }

        if (!empty($options['decode_content'])
            && $options['decode_content'] !== true
        ) {
            // Ensure that we don't have the header in different case and set the new value.
            $options['_conditional'] = Psr7\Utils::caselessRemove(['Accept-Encoding'], $options['_conditional']);
            $modify['set_headers']['Accept-Encoding'] = $options['decode_content'];
        }

        if (isset($options['body'])) {
            if (\is_array($options['body'])) {
                throw $this->invalidBody();
            }
            $modify['body'] = Psr7\Utils::streamFor($options['body']);
            unset($options['body']);
        }

        if (!empty($options['auth']) && \is_array($options['auth'])) {
            $value = $options['auth'];
            $type = isset($value[2]) ? \strtolower($value[2]) : 'basic';
            switch ($type) {
                case 'basic':
                    // Ensure that we don't have the header in different case and set the new value.
                    $modify['set_headers'] = Psr7\Utils::caselessRemove(['Authorization'], $modify['set_headers']);
                    $modify['set_headers']['Authorization'] = 'Basic '
                        . \base64_encode("$value[0]:$value[1]");
                    break;
                case 'digest':
                    // @todo: Do not rely on curl
                    $options['curl'][\CURLOPT_HTTPAUTH] = \CURLAUTH_DIGEST;
                    $options['curl'][\CURLOPT_USERPWD] = "$value[0]:$value[1]";
                    break;
                case 'ntlm':
                    $options['curl'][\CURLOPT_HTTPAUTH] = \CURLAUTH_NTLM;
                    $options['curl'][\CURLOPT_USERPWD] = "$value[0]:$value[1]";
                    break;
            }
        }

        if (isset($options['query'])) {
            $value = $options['query'];
            if (\is_array($value)) {
                $value = \http_build_query($value, '', '&', \PHP_QUERY_RFC3986);
            }
            if (!\is_string($value)) {
                throw new InvalidArgumentException('query must be a string or array');
            }
            $modify['query'] = $value;
            unset($options['query']);
        }

        // Ensure that sink is not an invalid value.
        if (isset($options['sink'])) {
            // TODO: Add more sink validation?
            if (\is_bool($options['sink'])) {
                throw new InvalidArgumentException('sink must not be a boolean');
            }
        }

        $request = Psr7\Utils::modifyRequest($request, $modify);
        if ($request->getBody() instanceof Psr7\MultipartStream) {
            // Use a multipart/form-data POST if a Content-Type is not set.
            // Ensure that we don't have the header in different case and set the new value.
            $options['_conditional'] = Psr7\Utils::caselessRemove(['Content-Type'], $options['_conditional']);
            $options['_conditional']['Content-Type'] = 'multipart/form-data; boundary='
                . $request->getBody()->getBoundary();
        }

        // Merge in conditional headers if they are not present.
        if (isset($options['_conditional'])) {
            // Build up the changes so it's in a single clone of the message.
            $modify = [];
            foreach ($options['_conditional'] as $k => $v) {
                if (!$request->hasHeader($k)) {
                    $modify['set_headers'][$k] = $v;
                }
            }
            $request = Psr7\Utils::modifyRequest($request, $modify);
            // Don't pass this internal value along to middleware/handlers.
            unset($options['_conditional']);
        }

        return $request;
    }

    /**
     * Return an InvalidArgumentException with pre-set message.
     */
    private function invalidBody(): InvalidArgumentException
    {
        return new InvalidArgumentException('Passing in the "body" request '
            . 'option as an array to send a request is not supported. '
            . 'Please use the "form_params" request option to send a '
            . 'application/x-www-form-urlencoded request, or the "multipart" '
            . 'request option to send a multipart/form-data request.');
    }
}
PK     ›ˆU]Lñ+l  l  %  vendor/guzzlehttp/guzzle/src/Pool.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Promise as P;
use GuzzleHttp\Promise\EachPromise;
use GuzzleHttp\Promise\PromiseInterface;
use GuzzleHttp\Promise\PromisorInterface;
use Psr\Http\Message\RequestInterface;

/**
 * Sends an iterator of requests concurrently using a capped pool size.
 *
 * The pool will read from an iterator until it is cancelled or until the
 * iterator is consumed. When a request is yielded, the request is sent after
 * applying the "request_options" request options (if provided in the ctor).
 *
 * When a function is yielded by the iterator, the function is provided the
 * "request_options" array that should be merged on top of any existing
 * options, and the function MUST then return a wait-able promise.
 *
 * @final
 */
class Pool implements PromisorInterface
{
    /**
     * @var EachPromise
     */
    private $each;

    /**
     * @param ClientInterface $client   Client used to send the requests.
     * @param array|\Iterator $requests Requests or functions that return
     *                                  requests to send concurrently.
     * @param array           $config   Associative array of options
     *                                  - concurrency: (int) Maximum number of requests to send concurrently
     *                                  - options: Array of request options to apply to each request.
     *                                  - fulfilled: (callable) Function to invoke when a request completes.
     *                                  - rejected: (callable) Function to invoke when a request is rejected.
     */
    public function __construct(ClientInterface $client, $requests, array $config = [])
    {
        if (!isset($config['concurrency'])) {
            $config['concurrency'] = 25;
        }

        if (isset($config['options'])) {
            $opts = $config['options'];
            unset($config['options']);
        } else {
            $opts = [];
        }

        $iterable = P\Create::iterFor($requests);
        $requests = static function () use ($iterable, $client, $opts) {
            foreach ($iterable as $key => $rfn) {
                if ($rfn instanceof RequestInterface) {
                    yield $key => $client->sendAsync($rfn, $opts);
                } elseif (\is_callable($rfn)) {
                    yield $key => $rfn($opts);
                } else {
                    throw new \InvalidArgumentException('Each value yielded by the iterator must be a Psr7\Http\Message\RequestInterface or a callable that returns a promise that fulfills with a Psr7\Message\Http\ResponseInterface object.');
                }
            }
        };

        $this->each = new EachPromise($requests(), $config);
    }

    /**
     * Get promise
     */
    public function promise(): PromiseInterface
    {
        return $this->each->promise();
    }

    /**
     * Sends multiple requests concurrently and returns an array of responses
     * and exceptions that uses the same ordering as the provided requests.
     *
     * IMPORTANT: This method keeps every request and response in memory, and
     * as such, is NOT recommended when sending a large number or an
     * indeterminate number of requests concurrently.
     *
     * @param ClientInterface $client   Client used to send the requests
     * @param array|\Iterator $requests Requests to send concurrently.
     * @param array           $options  Passes through the options available in
     *                                  {@see \GuzzleHttp\Pool::__construct}
     *
     * @return array Returns an array containing the response or an exception
     *               in the same order that the requests were sent.
     *
     * @throws \InvalidArgumentException if the event format is incorrect.
     */
    public static function batch(ClientInterface $client, $requests, array $options = []): array
    {
        $res = [];
        self::cmpCallback($options, 'fulfilled', $res);
        self::cmpCallback($options, 'rejected', $res);
        $pool = new static($client, $requests, $options);
        $pool->promise()->wait();
        \ksort($res);

        return $res;
    }

    /**
     * Execute callback(s)
     */
    private static function cmpCallback(array &$options, string $name, array &$results): void
    {
        if (!isset($options[$name])) {
            $options[$name] = static function ($v, $k) use (&$results) {
                $results[$k] = $v;
            };
        } else {
            $currentFn = $options[$name];
            $options[$name] = static function ($v, $k) use (&$results, $currentFn) {
                $currentFn($v, $k);
                $results[$k] = $v;
            };
        }
    }
}
PK     ›ˆU]þ3LÄU  U  0  vendor/guzzlehttp/guzzle/src/ClientInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp;

use GuzzleHttp\Exception\GuzzleException;
use GuzzleHttp\Promise\PromiseInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * Client interface for sending HTTP requests.
 */
interface ClientInterface
{
    /**
     * The Guzzle major version.
     */
    public const MAJOR_VERSION = 7;

    /**
     * Send an HTTP request.
     *
     * @param RequestInterface $request Request to send
     * @param array            $options Request options to apply to the given
     *                                  request and to the transfer.
     *
     * @throws GuzzleException
     */
    public function send(RequestInterface $request, array $options = []): ResponseInterface;

    /**
     * Asynchronously send an HTTP request.
     *
     * @param RequestInterface $request Request to send
     * @param array            $options Request options to apply to the given
     *                                  request and to the transfer.
     */
    public function sendAsync(RequestInterface $request, array $options = []): PromiseInterface;

    /**
     * Create and send an HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well.
     *
     * @param string              $method  HTTP method.
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     *
     * @throws GuzzleException
     */
    public function request(string $method, $uri, array $options = []): ResponseInterface;

    /**
     * Create and send an asynchronous HTTP request.
     *
     * Use an absolute path to override the base path of the client, or a
     * relative path to append to the base path of the client. The URL can
     * contain the query string as well. Use an array to provide a URL
     * template and additional variables to use in the URL template expansion.
     *
     * @param string              $method  HTTP method
     * @param string|UriInterface $uri     URI object or string.
     * @param array               $options Request options to apply.
     */
    public function requestAsync(string $method, $uri, array $options = []): PromiseInterface;

    /**
     * Get a client configuration option.
     *
     * These options include default request options of the client, a "handler"
     * (if utilized by the concrete client), and a "base_uri" if utilized by
     * the concrete client.
     *
     * @param string|null $option The config option to retrieve.
     *
     * @return mixed
     *
     * @deprecated ClientInterface::getConfig will be removed in guzzlehttp/guzzle:8.0.
     */
    public function getConfig(?string $option = null);
}
PK     ›ˆU]©Õù*H)  H)  /  vendor/guzzlehttp/guzzle/src/RequestOptions.phpnu „[µü¤        <?php

namespace GuzzleHttp;

/**
 * This class contains a list of built-in Guzzle request options.
 *
 * More documentation for each option can be found at http://guzzlephp.org/.
 *
 * @link http://docs.guzzlephp.org/en/v6/request-options.html
 */
final class RequestOptions
{
    /**
     * allow_redirects: (bool|array) Controls redirect behavior. Pass false
     * to disable redirects, pass true to enable redirects, pass an
     * associative to provide custom redirect settings. Defaults to "false".
     * This option only works if your handler has the RedirectMiddleware. When
     * passing an associative array, you can provide the following key value
     * pairs:
     *
     * - max: (int, default=5) maximum number of allowed redirects.
     * - strict: (bool, default=false) Set to true to use strict redirects
     *   meaning redirect POST requests with POST requests vs. doing what most
     *   browsers do which is redirect POST requests with GET requests
     * - referer: (bool, default=false) Set to true to enable the Referer
     *   header.
     * - protocols: (array, default=['http', 'https']) Allowed redirect
     *   protocols.
     * - on_redirect: (callable) PHP callable that is invoked when a redirect
     *   is encountered. The callable is invoked with the request, the redirect
     *   response that was received, and the effective URI. Any return value
     *   from the on_redirect function is ignored.
     */
    public const ALLOW_REDIRECTS = 'allow_redirects';

    /**
     * auth: (array) Pass an array of HTTP authentication parameters to use
     * with the request. The array must contain the username in index [0],
     * the password in index [1], and you can optionally provide a built-in
     * authentication type in index [2]. Pass null to disable authentication
     * for a request.
     */
    public const AUTH = 'auth';

    /**
     * body: (resource|string|null|int|float|StreamInterface|callable|\Iterator)
     * Body to send in the request.
     */
    public const BODY = 'body';

    /**
     * cert: (string|array) Set to a string to specify the path to a file
     * containing a PEM formatted SSL client side certificate. If a password
     * is required, then set cert to an array containing the path to the PEM
     * file in the first array element followed by the certificate password
     * in the second array element.
     */
    public const CERT = 'cert';

    /**
     * cookies: (bool|GuzzleHttp\Cookie\CookieJarInterface, default=false)
     * Specifies whether or not cookies are used in a request or what cookie
     * jar to use or what cookies to send. This option only works if your
     * handler has the `cookie` middleware. Valid values are `false` and
     * an instance of {@see \GuzzleHttp\Cookie\CookieJarInterface}.
     */
    public const COOKIES = 'cookies';

    /**
     * connect_timeout: (float, default=0) Float describing the number of
     * seconds to wait while trying to connect to a server. Use 0 to wait
     * indefinitely (the default behavior).
     */
    public const CONNECT_TIMEOUT = 'connect_timeout';

    /**
     * debug: (bool|resource) Set to true or set to a PHP stream returned by
     * fopen()  enable debug output with the HTTP handler used to send a
     * request.
     */
    public const DEBUG = 'debug';

    /**
     * decode_content: (bool, default=true) Specify whether or not
     * Content-Encoding responses (gzip, deflate, etc.) are automatically
     * decoded.
     */
    public const DECODE_CONTENT = 'decode_content';

    /**
     * delay: (int) The amount of time to delay before sending in milliseconds.
     */
    public const DELAY = 'delay';

    /**
     * expect: (bool|integer) Controls the behavior of the
     * "Expect: 100-Continue" header.
     *
     * Set to `true` to enable the "Expect: 100-Continue" header for all
     * requests that sends a body. Set to `false` to disable the
     * "Expect: 100-Continue" header for all requests. Set to a number so that
     * the size of the payload must be greater than the number in order to send
     * the Expect header. Setting to a number will send the Expect header for
     * all requests in which the size of the payload cannot be determined or
     * where the body is not rewindable.
     *
     * By default, Guzzle will add the "Expect: 100-Continue" header when the
     * size of the body of a request is greater than 1 MB and a request is
     * using HTTP/1.1.
     */
    public const EXPECT = 'expect';

    /**
     * form_params: (array) Associative array of form field names to values
     * where each value is a string or array of strings. Sets the Content-Type
     * header to application/x-www-form-urlencoded when no Content-Type header
     * is already present.
     */
    public const FORM_PARAMS = 'form_params';

    /**
     * headers: (array) Associative array of HTTP headers. Each value MUST be
     * a string or array of strings.
     */
    public const HEADERS = 'headers';

    /**
     * http_errors: (bool, default=true) Set to false to disable exceptions
     * when a non- successful HTTP response is received. By default,
     * exceptions will be thrown for 4xx and 5xx responses. This option only
     * works if your handler has the `httpErrors` middleware.
     */
    public const HTTP_ERRORS = 'http_errors';

    /**
     * idn: (bool|int, default=true) A combination of IDNA_* constants for
     * idn_to_ascii() PHP's function (see "options" parameter). Set to false to
     * disable IDN support completely, or to true to use the default
     * configuration (IDNA_DEFAULT constant).
     */
    public const IDN_CONVERSION = 'idn_conversion';

    /**
     * json: (mixed) Adds JSON data to a request. The provided value is JSON
     * encoded and a Content-Type header of application/json will be added to
     * the request if no Content-Type header is already present.
     */
    public const JSON = 'json';

    /**
     * multipart: (array) Array of associative arrays, each containing a
     * required "name" key mapping to the form field, name, a required
     * "contents" key mapping to a StreamInterface|resource|string, an
     * optional "headers" associative array of custom headers, and an
     * optional "filename" key mapping to a string to send as the filename in
     * the part. If no "filename" key is present, then no "filename" attribute
     * will be added to the part.
     */
    public const MULTIPART = 'multipart';

    /**
     * on_headers: (callable) A callable that is invoked when the HTTP headers
     * of the response have been received but the body has not yet begun to
     * download.
     */
    public const ON_HEADERS = 'on_headers';

    /**
     * on_stats: (callable) allows you to get access to transfer statistics of
     * a request and access the lower level transfer details of the handler
     * associated with your client. ``on_stats`` is a callable that is invoked
     * when a handler has finished sending a request. The callback is invoked
     * with transfer statistics about the request, the response received, or
     * the error encountered. Included in the data is the total amount of time
     * taken to send the request.
     */
    public const ON_STATS = 'on_stats';

    /**
     * progress: (callable) Defines a function to invoke when transfer
     * progress is made. The function accepts the following positional
     * arguments: the total number of bytes expected to be downloaded, the
     * number of bytes downloaded so far, the number of bytes expected to be
     * uploaded, the number of bytes uploaded so far.
     */
    public const PROGRESS = 'progress';

    /**
     * proxy: (string|array) Pass a string to specify an HTTP proxy, or an
     * array to specify different proxies for different protocols (where the
     * key is the protocol and the value is a proxy string).
     */
    public const PROXY = 'proxy';

    /**
     * query: (array|string) Associative array of query string values to add
     * to the request. This option uses PHP's http_build_query() to create
     * the string representation. Pass a string value if you need more
     * control than what this method provides
     */
    public const QUERY = 'query';

    /**
     * sink: (resource|string|StreamInterface) Where the data of the
     * response is written to. Defaults to a PHP temp stream. Providing a
     * string will write data to a file by the given name.
     */
    public const SINK = 'sink';

    /**
     * synchronous: (bool) Set to true to inform HTTP handlers that you intend
     * on waiting on the response. This can be useful for optimizations. Note
     * that a promise is still returned if you are using one of the async
     * client methods.
     */
    public const SYNCHRONOUS = 'synchronous';

    /**
     * ssl_key: (array|string) Specify the path to a file containing a private
     * SSL key in PEM format. If a password is required, then set to an array
     * containing the path to the SSL key in the first array element followed
     * by the password required for the certificate in the second element.
     */
    public const SSL_KEY = 'ssl_key';

    /**
     * stream: Set to true to attempt to stream a response rather than
     * download it all up-front.
     */
    public const STREAM = 'stream';

    /**
     * verify: (bool|string, default=true) Describes the SSL certificate
     * verification behavior of a request. Set to true to enable SSL
     * certificate verification using the system CA bundle when available
     * (the default). Set to false to disable certificate verification (this
     * is insecure!). Set to a string to provide the path to a CA bundle on
     * disk to enable verification using a custom certificate.
     */
    public const VERIFY = 'verify';

    /**
     * timeout: (float, default=0) Float describing the timeout of the
     * request in seconds. Use 0 to wait indefinitely (the default behavior).
     */
    public const TIMEOUT = 'timeout';

    /**
     * read_timeout: (float, default=default_socket_timeout ini setting) Float describing
     * the body read timeout, for stream requests.
     */
    public const READ_TIMEOUT = 'read_timeout';

    /**
     * version: (float) Specifies the HTTP protocol version to attempt to use.
     */
    public const VERSION = 'version';

    /**
     * force_ip_resolve: (bool) Force client to use only ipv4 or ipv6 protocol
     */
    public const FORCE_IP_RESOLVE = 'force_ip_resolve';
}
PK     ›ˆU]zú*/    "  vendor/guzzlehttp/promises/LICENSEnu „[µü¤        The MIT License (MIT)

Copyright (c) 2015 Michael Dowling <mtdowling@gmail.com>
Copyright (c) 2015 Graham Campbell <hello@gjcampbell.co.uk>
Copyright (c) 2017 Tobias Schultze <webmaster@tubo-world.de>
Copyright (c) 2020 Tobias Nyholm <tobias.nyholm@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     œˆU]¹Biä½   ½   #  vendor/guzzlehttp/promises/Makefilenu „[µü¤        all: clean test

test:
	vendor/bin/phpunit

coverage:
	vendor/bin/phpunit --coverage-html=artifacts/coverage

view-coverage:
	open artifacts/coverage/index.html

clean:
	rm -rf artifacts/*
PK     œˆU]ýÉ9©Â  Â  5  vendor/guzzlehttp/promises/src/RejectionException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * A special exception that is thrown when waiting on a rejected promise.
 *
 * The reason value is available via the getReason() method.
 */
class RejectionException extends \RuntimeException
{
    /** @var mixed Rejection reason. */
    private $reason;

    /**
     * @param mixed  $reason      Rejection reason.
     * @param string $description Optional description
     */
    public function __construct($reason, $description = null)
    {
        $this->reason = $reason;

        $message = 'The promise was rejected';

        if ($description) {
            $message .= ' with reason: ' . $description;
        } elseif (is_string($reason)
            || (is_object($reason) && method_exists($reason, '__toString'))
        ) {
            $message .= ' with reason: ' . $this->reason;
        } elseif ($reason instanceof \JsonSerializable) {
            $message .= ' with reason: '
                . json_encode($this->reason, JSON_PRETTY_PRINT);
        }

        parent::__construct($message);
    }

    /**
     * Returns the rejection reason.
     *
     * @return mixed
     */
    public function getReason()
    {
        return $this->reason;
    }
}
PK     œˆU]è2~$  $  3  vendor/guzzlehttp/promises/src/PromiseInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * A promise represents the eventual result of an asynchronous operation.
 *
 * The primary way of interacting with a promise is through its then method,
 * which registers callbacks to receive either a promiseâ€™s eventual value or
 * the reason why the promise cannot be fulfilled.
 *
 * @link https://promisesaplus.com/
 */
interface PromiseInterface
{
    const PENDING = 'pending';
    const FULFILLED = 'fulfilled';
    const REJECTED = 'rejected';

    /**
     * Appends fulfillment and rejection handlers to the promise, and returns
     * a new promise resolving to the return value of the called handler.
     *
     * @param callable $onFulfilled Invoked when the promise fulfills.
     * @param callable $onRejected  Invoked when the promise is rejected.
     *
     * @return PromiseInterface
     */
    public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    );

    /**
     * Appends a rejection handler callback to the promise, and returns a new
     * promise resolving to the return value of the callback if it is called,
     * or to its original fulfillment value if the promise is instead
     * fulfilled.
     *
     * @param callable $onRejected Invoked when the promise is rejected.
     *
     * @return PromiseInterface
     */
    public function otherwise(callable $onRejected);

    /**
     * Get the state of the promise ("pending", "rejected", or "fulfilled").
     *
     * The three states can be checked against the constants defined on
     * PromiseInterface: PENDING, FULFILLED, and REJECTED.
     *
     * @return string
     */
    public function getState();

    /**
     * Resolve the promise with the given value.
     *
     * @param mixed $value
     *
     * @throws \RuntimeException if the promise is already resolved.
     */
    public function resolve($value);

    /**
     * Reject the promise with the given reason.
     *
     * @param mixed $reason
     *
     * @throws \RuntimeException if the promise is already resolved.
     */
    public function reject($reason);

    /**
     * Cancels the promise if possible.
     *
     * @link https://github.com/promises-aplus/cancellation-spec/issues/7
     */
    public function cancel();

    /**
     * Waits until the promise completes if possible.
     *
     * Pass $unwrap as true to unwrap the result of the promise, either
     * returning the resolved value or throwing the rejected exception.
     *
     * If the promise cannot be waited on, then the promise will be rejected.
     *
     * @param bool $unwrap
     *
     * @return mixed
     *
     * @throws \LogicException if the promise has no wait function or if the
     *                         promise does not settle after waiting.
     */
    public function wait($unwrap = true);
}
PK     œˆU]rW‹ç  ç  %  vendor/guzzlehttp/promises/src/Is.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

final class Is
{
    /**
     * Returns true if a promise is pending.
     *
     * @return bool
     */
    public static function pending(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled or rejected.
     *
     * @return bool
     */
    public static function settled(PromiseInterface $promise)
    {
        return $promise->getState() !== PromiseInterface::PENDING;
    }

    /**
     * Returns true if a promise is fulfilled.
     *
     * @return bool
     */
    public static function fulfilled(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::FULFILLED;
    }

    /**
     * Returns true if a promise is rejected.
     *
     * @return bool
     */
    public static function rejected(PromiseInterface $promise)
    {
        return $promise->getState() === PromiseInterface::REJECTED;
    }
}
PK     œˆU]ß‡'§   §   4  vendor/guzzlehttp/promises/src/functions_include.phpnu „[µü¤        <?php

// Don't redefine the functions if included multiple times.
if (!function_exists('GuzzleHttp\Promise\promise_for')) {
    require __DIR__ . '/functions.php';
}
PK     �ˆU]lˆ±  ±  5  vendor/guzzlehttp/promises/src/TaskQueueInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

interface TaskQueueInterface
{
    /**
     * Returns true if the queue is empty.
     *
     * @return bool
     */
    public function isEmpty();

    /**
     * Adds a task to the queue that will be executed the next time run is
     * called.
     */
    public function add(callable $task);

    /**
     * Execute all of the pending task in the queue.
     */
    public function run();
}
PK     �ˆU]�ÅRE "   "  (  vendor/guzzlehttp/promises/src/Utils.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

final class Utils
{
    /**
     * Get the global task queue used for promise resolution.
     *
     * This task queue MUST be run in an event loop in order for promises to be
     * settled asynchronously. It will be automatically run when synchronously
     * waiting on a promise.
     *
     * <code>
     * while ($eventLoop->isRunning()) {
     *     GuzzleHttp\Promise\Utils::queue()->run();
     * }
     * </code>
     *
     * @param TaskQueueInterface $assign Optionally specify a new queue instance.
     *
     * @return TaskQueueInterface
     */
    public static function queue(TaskQueueInterface $assign = null)
    {
        static $queue;

        if ($assign) {
            $queue = $assign;
        } elseif (!$queue) {
            $queue = new TaskQueue();
        }

        return $queue;
    }

    /**
     * Adds a function to run in the task queue when it is next `run()` and
     * returns a promise that is fulfilled or rejected with the result.
     *
     * @param callable $task Task function to run.
     *
     * @return PromiseInterface
     */
    public static function task(callable $task)
    {
        $queue = self::queue();
        $promise = new Promise([$queue, 'run']);
        $queue->add(function () use ($task, $promise) {
            try {
                if (Is::pending($promise)) {
                    $promise->resolve($task());
                }
            } catch (\Throwable $e) {
                $promise->reject($e);
            } catch (\Exception $e) {
                $promise->reject($e);
            }
        });

        return $promise;
    }

    /**
     * Synchronously waits on a promise to resolve and returns an inspection
     * state array.
     *
     * Returns a state associative array containing a "state" key mapping to a
     * valid promise state. If the state of the promise is "fulfilled", the
     * array will contain a "value" key mapping to the fulfilled value of the
     * promise. If the promise is rejected, the array will contain a "reason"
     * key mapping to the rejection reason of the promise.
     *
     * @param PromiseInterface $promise Promise or value.
     *
     * @return array
     */
    public static function inspect(PromiseInterface $promise)
    {
        try {
            return [
                'state' => PromiseInterface::FULFILLED,
                'value' => $promise->wait()
            ];
        } catch (RejectionException $e) {
            return ['state' => PromiseInterface::REJECTED, 'reason' => $e->getReason()];
        } catch (\Throwable $e) {
            return ['state' => PromiseInterface::REJECTED, 'reason' => $e];
        } catch (\Exception $e) {
            return ['state' => PromiseInterface::REJECTED, 'reason' => $e];
        }
    }

    /**
     * Waits on all of the provided promises, but does not unwrap rejected
     * promises as thrown exception.
     *
     * Returns an array of inspection state arrays.
     *
     * @see inspect for the inspection state array format.
     *
     * @param PromiseInterface[] $promises Traversable of promises to wait upon.
     *
     * @return array
     */
    public static function inspectAll($promises)
    {
        $results = [];
        foreach ($promises as $key => $promise) {
            $results[$key] = inspect($promise);
        }

        return $results;
    }

    /**
     * Waits on all of the provided promises and returns the fulfilled values.
     *
     * Returns an array that contains the value of each promise (in the same
     * order the promises were provided). An exception is thrown if any of the
     * promises are rejected.
     *
     * @param iterable<PromiseInterface> $promises Iterable of PromiseInterface objects to wait on.
     *
     * @return array
     *
     * @throws \Exception on error
     * @throws \Throwable on error in PHP >=7
     */
    public static function unwrap($promises)
    {
        $results = [];
        foreach ($promises as $key => $promise) {
            $results[$key] = $promise->wait();
        }

        return $results;
    }

    /**
     * Given an array of promises, return a promise that is fulfilled when all
     * the items in the array are fulfilled.
     *
     * The promise's fulfillment value is an array with fulfillment values at
     * respective positions to the original array. If any promise in the array
     * rejects, the returned promise is rejected with the rejection reason.
     *
     * @param mixed $promises  Promises or values.
     * @param bool  $recursive If true, resolves new promises that might have been added to the stack during its own resolution.
     *
     * @return PromiseInterface
     */
    public static function all($promises, $recursive = false)
    {
        $results = [];
        $promise = Each::of(
            $promises,
            function ($value, $idx) use (&$results) {
                $results[$idx] = $value;
            },
            function ($reason, $idx, Promise $aggregate) {
                $aggregate->reject($reason);
            }
        )->then(function () use (&$results) {
            ksort($results);
            return $results;
        });

        if (true === $recursive) {
            $promise = $promise->then(function ($results) use ($recursive, &$promises) {
                foreach ($promises as $promise) {
                    if (Is::pending($promise)) {
                        return self::all($promises, $recursive);
                    }
                }
                return $results;
            });
        }

        return $promise;
    }

    /**
     * Initiate a competitive race between multiple promises or values (values
     * will become immediately fulfilled promises).
     *
     * When count amount of promises have been fulfilled, the returned promise
     * is fulfilled with an array that contains the fulfillment values of the
     * winners in order of resolution.
     *
     * This promise is rejected with a {@see AggregateException} if the number
     * of fulfilled promises is less than the desired $count.
     *
     * @param int   $count    Total number of promises.
     * @param mixed $promises Promises or values.
     *
     * @return PromiseInterface
     */
    public static function some($count, $promises)
    {
        $results = [];
        $rejections = [];

        return Each::of(
            $promises,
            function ($value, $idx, PromiseInterface $p) use (&$results, $count) {
                if (Is::settled($p)) {
                    return;
                }
                $results[$idx] = $value;
                if (count($results) >= $count) {
                    $p->resolve(null);
                }
            },
            function ($reason) use (&$rejections) {
                $rejections[] = $reason;
            }
        )->then(
            function () use (&$results, &$rejections, $count) {
                if (count($results) !== $count) {
                    throw new AggregateException(
                        'Not enough promises to fulfill count',
                        $rejections
                    );
                }
                ksort($results);
                return array_values($results);
            }
        );
    }

    /**
     * Like some(), with 1 as count. However, if the promise fulfills, the
     * fulfillment value is not an array of 1 but the value directly.
     *
     * @param mixed $promises Promises or values.
     *
     * @return PromiseInterface
     */
    public static function any($promises)
    {
        return self::some(1, $promises)->then(function ($values) {
            return $values[0];
        });
    }

    /**
     * Returns a promise that is fulfilled when all of the provided promises have
     * been fulfilled or rejected.
     *
     * The returned promise is fulfilled with an array of inspection state arrays.
     *
     * @see inspect for the inspection state array format.
     *
     * @param mixed $promises Promises or values.
     *
     * @return PromiseInterface
     */
    public static function settle($promises)
    {
        $results = [];

        return Each::of(
            $promises,
            function ($value, $idx) use (&$results) {
                $results[$idx] = ['state' => PromiseInterface::FULFILLED, 'value' => $value];
            },
            function ($reason, $idx) use (&$results) {
                $results[$idx] = ['state' => PromiseInterface::REJECTED, 'reason' => $reason];
            }
        )->then(function () use (&$results) {
            ksort($results);
            return $results;
        });
    }
}
PK     �ˆU]c°‘]@  @  )  vendor/guzzlehttp/promises/src/Create.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

final class Create
{
    /**
     * Creates a promise for a value if the value is not a promise.
     *
     * @param mixed $value Promise or value.
     *
     * @return PromiseInterface
     */
    public static function promiseFor($value)
    {
        if ($value instanceof PromiseInterface) {
            return $value;
        }

        // Return a Guzzle promise that shadows the given promise.
        if (is_object($value) && method_exists($value, 'then')) {
            $wfn = method_exists($value, 'wait') ? [$value, 'wait'] : null;
            $cfn = method_exists($value, 'cancel') ? [$value, 'cancel'] : null;
            $promise = new Promise($wfn, $cfn);
            $value->then([$promise, 'resolve'], [$promise, 'reject']);
            return $promise;
        }

        return new FulfilledPromise($value);
    }

    /**
     * Creates a rejected promise for a reason if the reason is not a promise.
     * If the provided reason is a promise, then it is returned as-is.
     *
     * @param mixed $reason Promise or reason.
     *
     * @return PromiseInterface
     */
    public static function rejectionFor($reason)
    {
        if ($reason instanceof PromiseInterface) {
            return $reason;
        }

        return new RejectedPromise($reason);
    }

    /**
     * Create an exception for a rejected promise value.
     *
     * @param mixed $reason
     *
     * @return \Exception|\Throwable
     */
    public static function exceptionFor($reason)
    {
        if ($reason instanceof \Exception || $reason instanceof \Throwable) {
            return $reason;
        }

        return new RejectionException($reason);
    }

    /**
     * Returns an iterator for the given value.
     *
     * @param mixed $value
     *
     * @return \Iterator
     */
    public static function iterFor($value)
    {
        if ($value instanceof \Iterator) {
            return $value;
        }

        if (is_array($value)) {
            return new \ArrayIterator($value);
        }

        return new \ArrayIterator([$value]);
    }
}
PK     �ˆU]’È69·   ·   8  vendor/guzzlehttp/promises/src/CancellationException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Exception that is set as the reason for a promise that has been cancelled.
 */
class CancellationException extends RejectionException
{
}
PK      ˆU]âüƒ�'  �'  ,  vendor/guzzlehttp/promises/src/functions.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Get the global task queue used for promise resolution.
 *
 * This task queue MUST be run in an event loop in order for promises to be
 * settled asynchronously. It will be automatically run when synchronously
 * waiting on a promise.
 *
 * <code>
 * while ($eventLoop->isRunning()) {
 *     GuzzleHttp\Promise\queue()->run();
 * }
 * </code>
 *
 * @param TaskQueueInterface $assign Optionally specify a new queue instance.
 *
 * @return TaskQueueInterface
 *
 * @deprecated queue will be removed in guzzlehttp/promises:2.0. Use Utils::queue instead.
 */
function queue(TaskQueueInterface $assign = null)
{
    return Utils::queue($assign);
}

/**
 * Adds a function to run in the task queue when it is next `run()` and returns
 * a promise that is fulfilled or rejected with the result.
 *
 * @param callable $task Task function to run.
 *
 * @return PromiseInterface
 *
 * @deprecated task will be removed in guzzlehttp/promises:2.0. Use Utils::task instead.
 */
function task(callable $task)
{
    return Utils::task($task);
}

/**
 * Creates a promise for a value if the value is not a promise.
 *
 * @param mixed $value Promise or value.
 *
 * @return PromiseInterface
 *
 * @deprecated promise_for will be removed in guzzlehttp/promises:2.0. Use Create::promiseFor instead.
 */
function promise_for($value)
{
    return Create::promiseFor($value);
}

/**
 * Creates a rejected promise for a reason if the reason is not a promise. If
 * the provided reason is a promise, then it is returned as-is.
 *
 * @param mixed $reason Promise or reason.
 *
 * @return PromiseInterface
 *
 * @deprecated rejection_for will be removed in guzzlehttp/promises:2.0. Use Create::rejectionFor instead.
 */
function rejection_for($reason)
{
    return Create::rejectionFor($reason);
}

/**
 * Create an exception for a rejected promise value.
 *
 * @param mixed $reason
 *
 * @return \Exception|\Throwable
 *
 * @deprecated exception_for will be removed in guzzlehttp/promises:2.0. Use Create::exceptionFor instead.
 */
function exception_for($reason)
{
    return Create::exceptionFor($reason);
}

/**
 * Returns an iterator for the given value.
 *
 * @param mixed $value
 *
 * @return \Iterator
 *
 * @deprecated iter_for will be removed in guzzlehttp/promises:2.0. Use Create::iterFor instead.
 */
function iter_for($value)
{
    return Create::iterFor($value);
}

/**
 * Synchronously waits on a promise to resolve and returns an inspection state
 * array.
 *
 * Returns a state associative array containing a "state" key mapping to a
 * valid promise state. If the state of the promise is "fulfilled", the array
 * will contain a "value" key mapping to the fulfilled value of the promise. If
 * the promise is rejected, the array will contain a "reason" key mapping to
 * the rejection reason of the promise.
 *
 * @param PromiseInterface $promise Promise or value.
 *
 * @return array
 *
 * @deprecated inspect will be removed in guzzlehttp/promises:2.0. Use Utils::inspect instead.
 */
function inspect(PromiseInterface $promise)
{
    return Utils::inspect($promise);
}

/**
 * Waits on all of the provided promises, but does not unwrap rejected promises
 * as thrown exception.
 *
 * Returns an array of inspection state arrays.
 *
 * @see inspect for the inspection state array format.
 *
 * @param PromiseInterface[] $promises Traversable of promises to wait upon.
 *
 * @return array
 *
 * @deprecated inspect will be removed in guzzlehttp/promises:2.0. Use Utils::inspectAll instead.
 */
function inspect_all($promises)
{
    return Utils::inspectAll($promises);
}

/**
 * Waits on all of the provided promises and returns the fulfilled values.
 *
 * Returns an array that contains the value of each promise (in the same order
 * the promises were provided). An exception is thrown if any of the promises
 * are rejected.
 *
 * @param iterable<PromiseInterface> $promises Iterable of PromiseInterface objects to wait on.
 *
 * @return array
 *
 * @throws \Exception on error
 * @throws \Throwable on error in PHP >=7
 *
 * @deprecated unwrap will be removed in guzzlehttp/promises:2.0. Use Utils::unwrap instead.
 */
function unwrap($promises)
{
    return Utils::unwrap($promises);
}

/**
 * Given an array of promises, return a promise that is fulfilled when all the
 * items in the array are fulfilled.
 *
 * The promise's fulfillment value is an array with fulfillment values at
 * respective positions to the original array. If any promise in the array
 * rejects, the returned promise is rejected with the rejection reason.
 *
 * @param mixed $promises  Promises or values.
 * @param bool  $recursive If true, resolves new promises that might have been added to the stack during its own resolution.
 *
 * @return PromiseInterface
 *
 * @deprecated all will be removed in guzzlehttp/promises:2.0. Use Utils::all instead.
 */
function all($promises, $recursive = false)
{
    return Utils::all($promises, $recursive);
}

/**
 * Initiate a competitive race between multiple promises or values (values will
 * become immediately fulfilled promises).
 *
 * When count amount of promises have been fulfilled, the returned promise is
 * fulfilled with an array that contains the fulfillment values of the winners
 * in order of resolution.
 *
 * This promise is rejected with a {@see AggregateException} if the number of
 * fulfilled promises is less than the desired $count.
 *
 * @param int   $count    Total number of promises.
 * @param mixed $promises Promises or values.
 *
 * @return PromiseInterface
 *
 * @deprecated some will be removed in guzzlehttp/promises:2.0. Use Utils::some instead.
 */
function some($count, $promises)
{
    return Utils::some($count, $promises);
}

/**
 * Like some(), with 1 as count. However, if the promise fulfills, the
 * fulfillment value is not an array of 1 but the value directly.
 *
 * @param mixed $promises Promises or values.
 *
 * @return PromiseInterface
 *
 * @deprecated any will be removed in guzzlehttp/promises:2.0. Use Utils::any instead.
 */
function any($promises)
{
    return Utils::any($promises);
}

/**
 * Returns a promise that is fulfilled when all of the provided promises have
 * been fulfilled or rejected.
 *
 * The returned promise is fulfilled with an array of inspection state arrays.
 *
 * @see inspect for the inspection state array format.
 *
 * @param mixed $promises Promises or values.
 *
 * @return PromiseInterface
 *
 * @deprecated settle will be removed in guzzlehttp/promises:2.0. Use Utils::settle instead.
 */
function settle($promises)
{
    return Utils::settle($promises);
}

/**
 * Given an iterator that yields promises or values, returns a promise that is
 * fulfilled with a null value when the iterator has been consumed or the
 * aggregate promise has been fulfilled or rejected.
 *
 * $onFulfilled is a function that accepts the fulfilled value, iterator index,
 * and the aggregate promise. The callback can invoke any necessary side
 * effects and choose to resolve or reject the aggregate if needed.
 *
 * $onRejected is a function that accepts the rejection reason, iterator index,
 * and the aggregate promise. The callback can invoke any necessary side
 * effects and choose to resolve or reject the aggregate if needed.
 *
 * @param mixed    $iterable    Iterator or array to iterate over.
 * @param callable $onFulfilled
 * @param callable $onRejected
 *
 * @return PromiseInterface
 *
 * @deprecated each will be removed in guzzlehttp/promises:2.0. Use Each::of instead.
 */
function each(
    $iterable,
    callable $onFulfilled = null,
    callable $onRejected = null
) {
    return Each::of($iterable, $onFulfilled, $onRejected);
}

/**
 * Like each, but only allows a certain number of outstanding promises at any
 * given time.
 *
 * $concurrency may be an integer or a function that accepts the number of
 * pending promises and returns a numeric concurrency limit value to allow for
 * dynamic a concurrency size.
 *
 * @param mixed        $iterable
 * @param int|callable $concurrency
 * @param callable     $onFulfilled
 * @param callable     $onRejected
 *
 * @return PromiseInterface
 *
 * @deprecated each_limit will be removed in guzzlehttp/promises:2.0. Use Each::ofLimit instead.
 */
function each_limit(
    $iterable,
    $concurrency,
    callable $onFulfilled = null,
    callable $onRejected = null
) {
    return Each::ofLimit($iterable, $concurrency, $onFulfilled, $onRejected);
}

/**
 * Like each_limit, but ensures that no promise in the given $iterable argument
 * is rejected. If any promise is rejected, then the aggregate promise is
 * rejected with the encountered rejection.
 *
 * @param mixed        $iterable
 * @param int|callable $concurrency
 * @param callable     $onFulfilled
 *
 * @return PromiseInterface
 *
 * @deprecated each_limit_all will be removed in guzzlehttp/promises:2.0. Use Each::ofLimitAll instead.
 */
function each_limit_all(
    $iterable,
    $concurrency,
    callable $onFulfilled = null
) {
    return Each::ofLimitAll($iterable, $concurrency, $onFulfilled);
}

/**
 * Returns true if a promise is fulfilled.
 *
 * @return bool
 *
 * @deprecated is_fulfilled will be removed in guzzlehttp/promises:2.0. Use Is::fulfilled instead.
 */
function is_fulfilled(PromiseInterface $promise)
{
    return Is::fulfilled($promise);
}

/**
 * Returns true if a promise is rejected.
 *
 * @return bool
 *
 * @deprecated is_rejected will be removed in guzzlehttp/promises:2.0. Use Is::rejected instead.
 */
function is_rejected(PromiseInterface $promise)
{
    return Is::rejected($promise);
}

/**
 * Returns true if a promise is fulfilled or rejected.
 *
 * @return bool
 *
 * @deprecated is_settled will be removed in guzzlehttp/promises:2.0. Use Is::settled instead.
 */
function is_settled(PromiseInterface $promise)
{
    return Is::settled($promise);
}

/**
 * Create a new coroutine.
 *
 * @see Coroutine
 *
 * @return PromiseInterface
 *
 * @deprecated coroutine will be removed in guzzlehttp/promises:2.0. Use Coroutine::of instead.
 */
function coroutine(callable $generatorFn)
{
    return Coroutine::of($generatorFn);
}
PK      ˆU]‚t©&Ç  Ç  3  vendor/guzzlehttp/promises/src/FulfilledPromise.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * A promise that has been fulfilled.
 *
 * Thenning off of this promise will invoke the onFulfilled callback
 * immediately and ignore other callbacks.
 */
class FulfilledPromise implements PromiseInterface
{
    private $value;

    public function __construct($value)
    {
        if (is_object($value) && method_exists($value, 'then')) {
            throw new \InvalidArgumentException(
                'You cannot create a FulfilledPromise with a promise.'
            );
        }

        $this->value = $value;
    }

    public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        // Return itself if there is no onFulfilled function.
        if (!$onFulfilled) {
            return $this;
        }

        $queue = Utils::queue();
        $p = new Promise([$queue, 'run']);
        $value = $this->value;
        $queue->add(static function () use ($p, $value, $onFulfilled) {
            if (Is::pending($p)) {
                try {
                    $p->resolve($onFulfilled($value));
                } catch (\Throwable $e) {
                    $p->reject($e);
                } catch (\Exception $e) {
                    $p->reject($e);
                }
            }
        });

        return $p;
    }

    public function otherwise(callable $onRejected)
    {
        return $this->then(null, $onRejected);
    }

    public function wait($unwrap = true, $defaultDelivery = null)
    {
        return $unwrap ? $this->value : null;
    }

    public function getState()
    {
        return self::FULFILLED;
    }

    public function resolve($value)
    {
        if ($value !== $this->value) {
            throw new \LogicException("Cannot resolve a fulfilled promise");
        }
    }

    public function reject($reason)
    {
        throw new \LogicException("Cannot reject a fulfilled promise");
    }

    public function cancel()
    {
        // pass
    }
}
PK      ˆU]R‚ $Q  Q  .  vendor/guzzlehttp/promises/src/EachPromise.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Represents a promise that iterates over many promises and invokes
 * side-effect functions in the process.
 */
class EachPromise implements PromisorInterface
{
    private $pending = [];

    private $nextPendingIndex = 0;

    /** @var \Iterator|null */
    private $iterable;

    /** @var callable|int|null */
    private $concurrency;

    /** @var callable|null */
    private $onFulfilled;

    /** @var callable|null */
    private $onRejected;

    /** @var Promise|null */
    private $aggregate;

    /** @var bool|null */
    private $mutex;

    /**
     * Configuration hash can include the following key value pairs:
     *
     * - fulfilled: (callable) Invoked when a promise fulfills. The function
     *   is invoked with three arguments: the fulfillment value, the index
     *   position from the iterable list of the promise, and the aggregate
     *   promise that manages all of the promises. The aggregate promise may
     *   be resolved from within the callback to short-circuit the promise.
     * - rejected: (callable) Invoked when a promise is rejected. The
     *   function is invoked with three arguments: the rejection reason, the
     *   index position from the iterable list of the promise, and the
     *   aggregate promise that manages all of the promises. The aggregate
     *   promise may be resolved from within the callback to short-circuit
     *   the promise.
     * - concurrency: (integer) Pass this configuration option to limit the
     *   allowed number of outstanding concurrently executing promises,
     *   creating a capped pool of promises. There is no limit by default.
     *
     * @param mixed $iterable Promises or values to iterate.
     * @param array $config   Configuration options
     */
    public function __construct($iterable, array $config = [])
    {
        $this->iterable = Create::iterFor($iterable);

        if (isset($config['concurrency'])) {
            $this->concurrency = $config['concurrency'];
        }

        if (isset($config['fulfilled'])) {
            $this->onFulfilled = $config['fulfilled'];
        }

        if (isset($config['rejected'])) {
            $this->onRejected = $config['rejected'];
        }
    }

    /** @psalm-suppress InvalidNullableReturnType */
    public function promise()
    {
        if ($this->aggregate) {
            return $this->aggregate;
        }

        try {
            $this->createPromise();
            /** @psalm-assert Promise $this->aggregate */
            $this->iterable->rewind();
            $this->refillPending();
        } catch (\Throwable $e) {
            /**
             * @psalm-suppress NullReference
             * @phpstan-ignore-next-line
             */
            $this->aggregate->reject($e);
        } catch (\Exception $e) {
            /**
             * @psalm-suppress NullReference
             * @phpstan-ignore-next-line
             */
            $this->aggregate->reject($e);
        }

        /**
         * @psalm-suppress NullableReturnStatement
         * @phpstan-ignore-next-line
         */
        return $this->aggregate;
    }

    private function createPromise()
    {
        $this->mutex = false;
        $this->aggregate = new Promise(function () {
            if ($this->checkIfFinished()) {
                return;
            }
            reset($this->pending);
            // Consume a potentially fluctuating list of promises while
            // ensuring that indexes are maintained (precluding array_shift).
            while ($promise = current($this->pending)) {
                next($this->pending);
                $promise->wait();
                if (Is::settled($this->aggregate)) {
                    return;
                }
            }
        });

        // Clear the references when the promise is resolved.
        $clearFn = function () {
            $this->iterable = $this->concurrency = $this->pending = null;
            $this->onFulfilled = $this->onRejected = null;
            $this->nextPendingIndex = 0;
        };

        $this->aggregate->then($clearFn, $clearFn);
    }

    private function refillPending()
    {
        if (!$this->concurrency) {
            // Add all pending promises.
            while ($this->addPending() && $this->advanceIterator());
            return;
        }

        // Add only up to N pending promises.
        $concurrency = is_callable($this->concurrency)
            ? call_user_func($this->concurrency, count($this->pending))
            : $this->concurrency;
        $concurrency = max($concurrency - count($this->pending), 0);
        // Concurrency may be set to 0 to disallow new promises.
        if (!$concurrency) {
            return;
        }
        // Add the first pending promise.
        $this->addPending();
        // Note this is special handling for concurrency=1 so that we do
        // not advance the iterator after adding the first promise. This
        // helps work around issues with generators that might not have the
        // next value to yield until promise callbacks are called.
        while (--$concurrency
            && $this->advanceIterator()
            && $this->addPending());
    }

    private function addPending()
    {
        if (!$this->iterable || !$this->iterable->valid()) {
            return false;
        }

        $promise = Create::promiseFor($this->iterable->current());
        $key = $this->iterable->key();

        // Iterable keys may not be unique, so we use a counter to
        // guarantee uniqueness
        $idx = $this->nextPendingIndex++;

        $this->pending[$idx] = $promise->then(
            function ($value) use ($idx, $key) {
                if ($this->onFulfilled) {
                    call_user_func(
                        $this->onFulfilled,
                        $value,
                        $key,
                        $this->aggregate
                    );
                }
                $this->step($idx);
            },
            function ($reason) use ($idx, $key) {
                if ($this->onRejected) {
                    call_user_func(
                        $this->onRejected,
                        $reason,
                        $key,
                        $this->aggregate
                    );
                }
                $this->step($idx);
            }
        );

        return true;
    }

    private function advanceIterator()
    {
        // Place a lock on the iterator so that we ensure to not recurse,
        // preventing fatal generator errors.
        if ($this->mutex) {
            return false;
        }

        $this->mutex = true;

        try {
            $this->iterable->next();
            $this->mutex = false;
            return true;
        } catch (\Throwable $e) {
            $this->aggregate->reject($e);
            $this->mutex = false;
            return false;
        } catch (\Exception $e) {
            $this->aggregate->reject($e);
            $this->mutex = false;
            return false;
        }
    }

    private function step($idx)
    {
        // If the promise was already resolved, then ignore this step.
        if (Is::settled($this->aggregate)) {
            return;
        }

        unset($this->pending[$idx]);

        // Only refill pending promises if we are not locked, preventing the
        // EachPromise to recursively invoke the provided iterator, which
        // cause a fatal error: "Cannot resume an already running generator"
        if ($this->advanceIterator() && !$this->checkIfFinished()) {
            // Add more pending promises if possible.
            $this->refillPending();
        }
    }

    private function checkIfFinished()
    {
        if (!$this->pending && !$this->iterable->valid()) {
            // Resolve the promise if there's nothing left to do.
            $this->aggregate->resolve(null);
            return true;
        }

        return false;
    }
}
PK      ˆU]¯ŽÅÍ”  ”  ,  vendor/guzzlehttp/promises/src/TaskQueue.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * A task queue that executes tasks in a FIFO order.
 *
 * This task queue class is used to settle promises asynchronously and
 * maintains a constant stack size. You can use the task queue asynchronously
 * by calling the `run()` function of the global task queue in an event loop.
 *
 *     GuzzleHttp\Promise\Utils::queue()->run();
 */
class TaskQueue implements TaskQueueInterface
{
    private $enableShutdown = true;
    private $queue = [];

    public function __construct($withShutdown = true)
    {
        if ($withShutdown) {
            register_shutdown_function(function () {
                if ($this->enableShutdown) {
                    // Only run the tasks if an E_ERROR didn't occur.
                    $err = error_get_last();
                    if (!$err || ($err['type'] ^ E_ERROR)) {
                        $this->run();
                    }
                }
            });
        }
    }

    public function isEmpty()
    {
        return !$this->queue;
    }

    public function add(callable $task)
    {
        $this->queue[] = $task;
    }

    public function run()
    {
        while ($task = array_shift($this->queue)) {
            /** @var callable $task */
            $task();
        }
    }

    /**
     * The task queue will be run and exhausted by default when the process
     * exits IFF the exit is not the result of a PHP E_ERROR error.
     *
     * You can disable running the automatic shutdown of the queue by calling
     * this function. If you disable the task queue shutdown process, then you
     * MUST either run the task queue (as a result of running your event loop
     * or manually using the run() method) or wait on each outstanding promise.
     *
     * Note: This shutdown will occur before any destructors are triggered.
     */
    public function disableShutdown()
    {
        $this->enableShutdown = false;
    }
}
PK      ˆU]zæHyô   ô   4  vendor/guzzlehttp/promises/src/PromisorInterface.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Interface used with classes that return a promise.
 */
interface PromisorInterface
{
    /**
     * Returns a promise.
     *
     * @return PromiseInterface
     */
    public function promise();
}
PK     ¡ˆU]³ß‡`G  G  '  vendor/guzzlehttp/promises/src/Each.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

final class Each
{
    /**
     * Given an iterator that yields promises or values, returns a promise that
     * is fulfilled with a null value when the iterator has been consumed or
     * the aggregate promise has been fulfilled or rejected.
     *
     * $onFulfilled is a function that accepts the fulfilled value, iterator
     * index, and the aggregate promise. The callback can invoke any necessary
     * side effects and choose to resolve or reject the aggregate if needed.
     *
     * $onRejected is a function that accepts the rejection reason, iterator
     * index, and the aggregate promise. The callback can invoke any necessary
     * side effects and choose to resolve or reject the aggregate if needed.
     *
     * @param mixed    $iterable    Iterator or array to iterate over.
     * @param callable $onFulfilled
     * @param callable $onRejected
     *
     * @return PromiseInterface
     */
    public static function of(
        $iterable,
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        return (new EachPromise($iterable, [
            'fulfilled' => $onFulfilled,
            'rejected'  => $onRejected
        ]))->promise();
    }

    /**
     * Like of, but only allows a certain number of outstanding promises at any
     * given time.
     *
     * $concurrency may be an integer or a function that accepts the number of
     * pending promises and returns a numeric concurrency limit value to allow
     * for dynamic a concurrency size.
     *
     * @param mixed        $iterable
     * @param int|callable $concurrency
     * @param callable     $onFulfilled
     * @param callable     $onRejected
     *
     * @return PromiseInterface
     */
    public static function ofLimit(
        $iterable,
        $concurrency,
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        return (new EachPromise($iterable, [
            'fulfilled'   => $onFulfilled,
            'rejected'    => $onRejected,
            'concurrency' => $concurrency
        ]))->promise();
    }

    /**
     * Like limit, but ensures that no promise in the given $iterable argument
     * is rejected. If any promise is rejected, then the aggregate promise is
     * rejected with the encountered rejection.
     *
     * @param mixed        $iterable
     * @param int|callable $concurrency
     * @param callable     $onFulfilled
     *
     * @return PromiseInterface
     */
    public static function ofLimitAll(
        $iterable,
        $concurrency,
        callable $onFulfilled = null
    ) {
        return each_limit(
            $iterable,
            $concurrency,
            $onFulfilled,
            function ($reason, $idx, PromiseInterface $aggregate) {
                $aggregate->reject($reason);
            }
        );
    }
}
PK     ¡ˆU]èÙ>Šì  ì  2  vendor/guzzlehttp/promises/src/RejectedPromise.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * A promise that has been rejected.
 *
 * Thenning off of this promise will invoke the onRejected callback
 * immediately and ignore other callbacks.
 */
class RejectedPromise implements PromiseInterface
{
    private $reason;

    public function __construct($reason)
    {
        if (is_object($reason) && method_exists($reason, 'then')) {
            throw new \InvalidArgumentException(
                'You cannot create a RejectedPromise with a promise.'
            );
        }

        $this->reason = $reason;
    }

    public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        // If there's no onRejected callback then just return self.
        if (!$onRejected) {
            return $this;
        }

        $queue = Utils::queue();
        $reason = $this->reason;
        $p = new Promise([$queue, 'run']);
        $queue->add(static function () use ($p, $reason, $onRejected) {
            if (Is::pending($p)) {
                try {
                    // Return a resolved promise if onRejected does not throw.
                    $p->resolve($onRejected($reason));
                } catch (\Throwable $e) {
                    // onRejected threw, so return a rejected promise.
                    $p->reject($e);
                } catch (\Exception $e) {
                    // onRejected threw, so return a rejected promise.
                    $p->reject($e);
                }
            }
        });

        return $p;
    }

    public function otherwise(callable $onRejected)
    {
        return $this->then(null, $onRejected);
    }

    public function wait($unwrap = true, $defaultDelivery = null)
    {
        if ($unwrap) {
            throw Create::exceptionFor($this->reason);
        }

        return null;
    }

    public function getState()
    {
        return self::REJECTED;
    }

    public function resolve($value)
    {
        throw new \LogicException("Cannot resolve a rejected promise");
    }

    public function reject($reason)
    {
        if ($reason !== $this->reason) {
            throw new \LogicException("Cannot reject a rejected promise");
        }
    }

    public function cancel()
    {
        // pass
    }
}
PK     ¡ˆU](KÓê|  |  5  vendor/guzzlehttp/promises/src/AggregateException.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Exception thrown when too many errors occur in the some() or any() methods.
 */
class AggregateException extends RejectionException
{
    public function __construct($msg, array $reasons)
    {
        parent::__construct(
            $reasons,
            sprintf('%s; %d rejected promises', $msg, count($reasons))
        );
    }
}
PK     ¡ˆU]êA®ð"  ð"  *  vendor/guzzlehttp/promises/src/Promise.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

/**
 * Promises/A+ implementation that avoids recursion when possible.
 *
 * @link https://promisesaplus.com/
 */
class Promise implements PromiseInterface
{
    private $state = self::PENDING;
    private $result;
    private $cancelFn;
    private $waitFn;
    private $waitList;
    private $handlers = [];

    /**
     * @param callable $waitFn   Fn that when invoked resolves the promise.
     * @param callable $cancelFn Fn that when invoked cancels the promise.
     */
    public function __construct(
        callable $waitFn = null,
        callable $cancelFn = null
    ) {
        $this->waitFn = $waitFn;
        $this->cancelFn = $cancelFn;
    }

    public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        if ($this->state === self::PENDING) {
            $p = new Promise(null, [$this, 'cancel']);
            $this->handlers[] = [$p, $onFulfilled, $onRejected];
            $p->waitList = $this->waitList;
            $p->waitList[] = $this;
            return $p;
        }

        // Return a fulfilled promise and immediately invoke any callbacks.
        if ($this->state === self::FULFILLED) {
            $promise = Create::promiseFor($this->result);
            return $onFulfilled ? $promise->then($onFulfilled) : $promise;
        }

        // It's either cancelled or rejected, so return a rejected promise
        // and immediately invoke any callbacks.
        $rejection = Create::rejectionFor($this->result);
        return $onRejected ? $rejection->then(null, $onRejected) : $rejection;
    }

    public function otherwise(callable $onRejected)
    {
        return $this->then(null, $onRejected);
    }

    public function wait($unwrap = true)
    {
        $this->waitIfPending();

        if ($this->result instanceof PromiseInterface) {
            return $this->result->wait($unwrap);
        }
        if ($unwrap) {
            if ($this->state === self::FULFILLED) {
                return $this->result;
            }
            // It's rejected so "unwrap" and throw an exception.
            throw Create::exceptionFor($this->result);
        }
    }

    public function getState()
    {
        return $this->state;
    }

    public function cancel()
    {
        if ($this->state !== self::PENDING) {
            return;
        }

        $this->waitFn = $this->waitList = null;

        if ($this->cancelFn) {
            $fn = $this->cancelFn;
            $this->cancelFn = null;
            try {
                $fn();
            } catch (\Throwable $e) {
                $this->reject($e);
            } catch (\Exception $e) {
                $this->reject($e);
            }
        }

        // Reject the promise only if it wasn't rejected in a then callback.
        /** @psalm-suppress RedundantCondition */
        if ($this->state === self::PENDING) {
            $this->reject(new CancellationException('Promise has been cancelled'));
        }
    }

    public function resolve($value)
    {
        $this->settle(self::FULFILLED, $value);
    }

    public function reject($reason)
    {
        $this->settle(self::REJECTED, $reason);
    }

    private function settle($state, $value)
    {
        if ($this->state !== self::PENDING) {
            // Ignore calls with the same resolution.
            if ($state === $this->state && $value === $this->result) {
                return;
            }
            throw $this->state === $state
                ? new \LogicException("The promise is already {$state}.")
                : new \LogicException("Cannot change a {$this->state} promise to {$state}");
        }

        if ($value === $this) {
            throw new \LogicException('Cannot fulfill or reject a promise with itself');
        }

        // Clear out the state of the promise but stash the handlers.
        $this->state = $state;
        $this->result = $value;
        $handlers = $this->handlers;
        $this->handlers = null;
        $this->waitList = $this->waitFn = null;
        $this->cancelFn = null;

        if (!$handlers) {
            return;
        }

        // If the value was not a settled promise or a thenable, then resolve
        // it in the task queue using the correct ID.
        if (!is_object($value) || !method_exists($value, 'then')) {
            $id = $state === self::FULFILLED ? 1 : 2;
            // It's a success, so resolve the handlers in the queue.
            Utils::queue()->add(static function () use ($id, $value, $handlers) {
                foreach ($handlers as $handler) {
                    self::callHandler($id, $value, $handler);
                }
            });
        } elseif ($value instanceof Promise && Is::pending($value)) {
            // We can just merge our handlers onto the next promise.
            $value->handlers = array_merge($value->handlers, $handlers);
        } else {
            // Resolve the handlers when the forwarded promise is resolved.
            $value->then(
                static function ($value) use ($handlers) {
                    foreach ($handlers as $handler) {
                        self::callHandler(1, $value, $handler);
                    }
                },
                static function ($reason) use ($handlers) {
                    foreach ($handlers as $handler) {
                        self::callHandler(2, $reason, $handler);
                    }
                }
            );
        }
    }

    /**
     * Call a stack of handlers using a specific callback index and value.
     *
     * @param int   $index   1 (resolve) or 2 (reject).
     * @param mixed $value   Value to pass to the callback.
     * @param array $handler Array of handler data (promise and callbacks).
     */
    private static function callHandler($index, $value, array $handler)
    {
        /** @var PromiseInterface $promise */
        $promise = $handler[0];

        // The promise may have been cancelled or resolved before placing
        // this thunk in the queue.
        if (Is::settled($promise)) {
            return;
        }

        try {
            if (isset($handler[$index])) {
                /*
                 * If $f throws an exception, then $handler will be in the exception
                 * stack trace. Since $handler contains a reference to the callable
                 * itself we get a circular reference. We clear the $handler
                 * here to avoid that memory leak.
                 */
                $f = $handler[$index];
                unset($handler);
                $promise->resolve($f($value));
            } elseif ($index === 1) {
                // Forward resolution values as-is.
                $promise->resolve($value);
            } else {
                // Forward rejections down the chain.
                $promise->reject($value);
            }
        } catch (\Throwable $reason) {
            $promise->reject($reason);
        } catch (\Exception $reason) {
            $promise->reject($reason);
        }
    }

    private function waitIfPending()
    {
        if ($this->state !== self::PENDING) {
            return;
        } elseif ($this->waitFn) {
            $this->invokeWaitFn();
        } elseif ($this->waitList) {
            $this->invokeWaitList();
        } else {
            // If there's no wait function, then reject the promise.
            $this->reject('Cannot wait on a promise that has '
                . 'no internal wait function. You must provide a wait '
                . 'function when constructing the promise to be able to '
                . 'wait on a promise.');
        }

        Utils::queue()->run();

        /** @psalm-suppress RedundantCondition */
        if ($this->state === self::PENDING) {
            $this->reject('Invoking the wait callback did not resolve the promise');
        }
    }

    private function invokeWaitFn()
    {
        try {
            $wfn = $this->waitFn;
            $this->waitFn = null;
            $wfn(true);
        } catch (\Exception $reason) {
            if ($this->state === self::PENDING) {
                // The promise has not been resolved yet, so reject the promise
                // with the exception.
                $this->reject($reason);
            } else {
                // The promise was already resolved, so there's a problem in
                // the application.
                throw $reason;
            }
        }
    }

    private function invokeWaitList()
    {
        $waitList = $this->waitList;
        $this->waitList = null;

        foreach ($waitList as $result) {
            do {
                $result->waitIfPending();
                $result = $result->result;
            } while ($result instanceof Promise);

            if ($result instanceof PromiseInterface) {
                $result->wait(false);
            }
        }
    }
}
PK     ¢ˆU]éCÅMú  ú  ,  vendor/guzzlehttp/promises/src/Coroutine.phpnu „[µü¤        <?php

namespace GuzzleHttp\Promise;

use Exception;
use Generator;
use Throwable;

/**
 * Creates a promise that is resolved using a generator that yields values or
 * promises (somewhat similar to C#'s async keyword).
 *
 * When called, the Coroutine::of method will start an instance of the generator
 * and returns a promise that is fulfilled with its final yielded value.
 *
 * Control is returned back to the generator when the yielded promise settles.
 * This can lead to less verbose code when doing lots of sequential async calls
 * with minimal processing in between.
 *
 *     use GuzzleHttp\Promise;
 *
 *     function createPromise($value) {
 *         return new Promise\FulfilledPromise($value);
 *     }
 *
 *     $promise = Promise\Coroutine::of(function () {
 *         $value = (yield createPromise('a'));
 *         try {
 *             $value = (yield createPromise($value . 'b'));
 *         } catch (\Exception $e) {
 *             // The promise was rejected.
 *         }
 *         yield $value . 'c';
 *     });
 *
 *     // Outputs "abc"
 *     $promise->then(function ($v) { echo $v; });
 *
 * @param callable $generatorFn Generator function to wrap into a promise.
 *
 * @return Promise
 *
 * @link https://github.com/petkaantonov/bluebird/blob/master/API.md#generators inspiration
 */
final class Coroutine implements PromiseInterface
{
    /**
     * @var PromiseInterface|null
     */
    private $currentPromise;

    /**
     * @var Generator
     */
    private $generator;

    /**
     * @var Promise
     */
    private $result;

    public function __construct(callable $generatorFn)
    {
        $this->generator = $generatorFn();
        $this->result = new Promise(function () {
            while (isset($this->currentPromise)) {
                $this->currentPromise->wait();
            }
        });
        try {
            $this->nextCoroutine($this->generator->current());
        } catch (\Exception $exception) {
            $this->result->reject($exception);
        } catch (Throwable $throwable) {
            $this->result->reject($throwable);
        }
    }

    /**
     * Create a new coroutine.
     *
     * @return self
     */
    public static function of(callable $generatorFn)
    {
        return new self($generatorFn);
    }

    public function then(
        callable $onFulfilled = null,
        callable $onRejected = null
    ) {
        return $this->result->then($onFulfilled, $onRejected);
    }

    public function otherwise(callable $onRejected)
    {
        return $this->result->otherwise($onRejected);
    }

    public function wait($unwrap = true)
    {
        return $this->result->wait($unwrap);
    }

    public function getState()
    {
        return $this->result->getState();
    }

    public function resolve($value)
    {
        $this->result->resolve($value);
    }

    public function reject($reason)
    {
        $this->result->reject($reason);
    }

    public function cancel()
    {
        $this->currentPromise->cancel();
        $this->result->cancel();
    }

    private function nextCoroutine($yielded)
    {
        $this->currentPromise = Create::promiseFor($yielded)
            ->then([$this, '_handleSuccess'], [$this, '_handleFailure']);
    }

    /**
     * @internal
     */
    public function _handleSuccess($value)
    {
        unset($this->currentPromise);
        try {
            $next = $this->generator->send($value);
            if ($this->generator->valid()) {
                $this->nextCoroutine($next);
            } else {
                $this->result->resolve($value);
            }
        } catch (Exception $exception) {
            $this->result->reject($exception);
        } catch (Throwable $throwable) {
            $this->result->reject($throwable);
        }
    }

    /**
     * @internal
     */
    public function _handleFailure($reason)
    {
        unset($this->currentPromise);
        try {
            $nextYield = $this->generator->throw(Create::exceptionFor($reason));
            // The throw was caught, so keep iterating on the coroutine
            $this->nextCoroutine($nextYield);
        } catch (Exception $exception) {
            $this->result->reject($exception);
        } catch (Throwable $throwable) {
            $this->result->reject($throwable);
        }
    }
}
PK     ¢ˆU]^àpLz  z    vendor/guzzlehttp/psr7/LICENSEnu „[µü¤        The MIT License (MIT)

Copyright (c) 2015 Michael Dowling <mtdowling@gmail.com>
Copyright (c) 2015 MÃ¡rk SÃ¡gi-KazÃ¡r <mark.sagikazar@gmail.com>
Copyright (c) 2015 Graham Campbell <hello@gjcampbell.co.uk>
Copyright (c) 2016 Tobias Schultze <webmaster@tubo-world.de>
Copyright (c) 2016 George Mponos <gmponos@gmail.com>
Copyright (c) 2018 Tobias Nyholm <tobias.nyholm@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     ¢ˆU]Ê€¶@  @  #  vendor/guzzlehttp/psr7/.php_cs.distnu „[µü¤        <?php

$config = PhpCsFixer\Config::create()
    ->setRiskyAllowed(true)
    ->setRules([
        '@PSR2' => true,
        'array_syntax' => ['syntax' => 'short'],
        'concat_space' => ['spacing' => 'one'],
        'declare_strict_types' => false,
        'final_static_access' => true,
        'fully_qualified_strict_types' => true,
        'header_comment' => false,
        'is_null' => ['use_yoda_style' => true],
        'list_syntax' => ['syntax' => 'long'],
        'lowercase_cast' => true,
        'magic_method_casing' => true,
        'modernize_types_casting' => true,
        'multiline_comment_opening_closing' => true,
        'no_alias_functions' => true,
        'no_alternative_syntax' => true,
        'no_blank_lines_after_phpdoc' => true,
        'no_empty_comment' => true,
        'no_empty_phpdoc' => true,
        'no_empty_statement' => true,
        'no_extra_blank_lines' => true,
        'no_leading_import_slash' => true,
        'no_trailing_comma_in_singleline_array' => true,
        'no_unset_cast' => true,
        'no_unused_imports' => true,
        'no_whitespace_in_blank_line' => true,
        'ordered_imports' => true,
        'php_unit_ordered_covers' => true,
        'php_unit_test_annotation' => ['style' => 'prefix'],
        'php_unit_test_case_static_method_calls' => ['call_type' => 'self'],
        'phpdoc_align' => ['align' => 'vertical'],
        'phpdoc_no_useless_inheritdoc' => true,
        'phpdoc_scalar' => true,
        'phpdoc_separation' => true,
        'phpdoc_single_line_var_spacing' => true,
        'phpdoc_trim' => true,
        'phpdoc_trim_consecutive_blank_line_separation' => true,
        'phpdoc_types' => true,
        'phpdoc_types_order' => ['null_adjustment' => 'always_last', 'sort_algorithm' => 'none'],
        'phpdoc_var_without_name' => true,
        'single_trait_insert_per_statement' => true,
        'standardize_not_equals' => true,
    ])
    ->setFinder(
        PhpCsFixer\Finder::create()
            ->in(__DIR__.'/src')
            ->in(__DIR__.'/tests')
            ->name('*.php')
    )
;

return $config;
PK     £ˆU]PØSr|&  |&  ,  vendor/guzzlehttp/psr7/src/ServerRequest.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileInterface;
use Psr\Http\Message\UriInterface;

/**
 * Server-side HTTP request
 *
 * Extends the Request definition to add methods for accessing incoming data,
 * specifically server parameters, cookies, matched path parameters, query
 * string arguments, body parameters, and upload file information.
 *
 * "Attributes" are discovered via decomposing the request (and usually
 * specifically the URI path), and typically will be injected by the application.
 *
 * Requests are considered immutable; all methods that might change state are
 * implemented such that they retain the internal state of the current
 * message and return a new instance that contains the changed state.
 */
class ServerRequest extends Request implements ServerRequestInterface
{
    /**
     * @var array
     */
    private $attributes = [];

    /**
     * @var array
     */
    private $cookieParams = [];

    /**
     * @var array|object|null
     */
    private $parsedBody;

    /**
     * @var array
     */
    private $queryParams = [];

    /**
     * @var array
     */
    private $serverParams;

    /**
     * @var array
     */
    private $uploadedFiles = [];

    /**
     * @param string                               $method       HTTP method
     * @param string|UriInterface                  $uri          URI
     * @param array                                $headers      Request headers
     * @param string|resource|StreamInterface|null $body         Request body
     * @param string                               $version      Protocol version
     * @param array                                $serverParams Typically the $_SERVER superglobal
     */
    public function __construct(
        $method,
        $uri,
        array $headers = [],
        $body = null,
        $version = '1.1',
        array $serverParams = []
    ) {
        $this->serverParams = $serverParams;

        parent::__construct($method, $uri, $headers, $body, $version);
    }

    /**
     * Return an UploadedFile instance array.
     *
     * @param array $files A array which respect $_FILES structure
     *
     * @return array
     *
     * @throws InvalidArgumentException for unrecognized values
     */
    public static function normalizeFiles(array $files)
    {
        $normalized = [];

        foreach ($files as $key => $value) {
            if ($value instanceof UploadedFileInterface) {
                $normalized[$key] = $value;
            } elseif (is_array($value) && isset($value['tmp_name'])) {
                $normalized[$key] = self::createUploadedFileFromSpec($value);
            } elseif (is_array($value)) {
                $normalized[$key] = self::normalizeFiles($value);
                continue;
            } else {
                throw new InvalidArgumentException('Invalid value in files specification');
            }
        }

        return $normalized;
    }

    /**
     * Create and return an UploadedFile instance from a $_FILES specification.
     *
     * If the specification represents an array of values, this method will
     * delegate to normalizeNestedFileSpec() and return that return value.
     *
     * @param array $value $_FILES struct
     *
     * @return array|UploadedFileInterface
     */
    private static function createUploadedFileFromSpec(array $value)
    {
        if (is_array($value['tmp_name'])) {
            return self::normalizeNestedFileSpec($value);
        }

        return new UploadedFile(
            $value['tmp_name'],
            (int) $value['size'],
            (int) $value['error'],
            $value['name'],
            $value['type']
        );
    }

    /**
     * Normalize an array of file specifications.
     *
     * Loops through all nested files and returns a normalized array of
     * UploadedFileInterface instances.
     *
     * @param array $files
     *
     * @return UploadedFileInterface[]
     */
    private static function normalizeNestedFileSpec(array $files = [])
    {
        $normalizedFiles = [];

        foreach (array_keys($files['tmp_name']) as $key) {
            $spec = [
                'tmp_name' => $files['tmp_name'][$key],
                'size'     => $files['size'][$key],
                'error'    => $files['error'][$key],
                'name'     => $files['name'][$key],
                'type'     => $files['type'][$key],
            ];
            $normalizedFiles[$key] = self::createUploadedFileFromSpec($spec);
        }

        return $normalizedFiles;
    }

    /**
     * Return a ServerRequest populated with superglobals:
     * $_GET
     * $_POST
     * $_COOKIE
     * $_FILES
     * $_SERVER
     *
     * @return ServerRequestInterface
     */
    public static function fromGlobals()
    {
        $method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'GET';
        $headers = getallheaders();
        $uri = self::getUriFromGlobals();
        $body = new CachingStream(new LazyOpenStream('php://input', 'r+'));
        $protocol = isset($_SERVER['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $_SERVER['SERVER_PROTOCOL']) : '1.1';

        $serverRequest = new ServerRequest($method, $uri, $headers, $body, $protocol, $_SERVER);

        return $serverRequest
            ->withCookieParams($_COOKIE)
            ->withQueryParams($_GET)
            ->withParsedBody($_POST)
            ->withUploadedFiles(self::normalizeFiles($_FILES));
    }

    private static function extractHostAndPortFromAuthority($authority)
    {
        $uri = 'http://' . $authority;
        $parts = parse_url($uri);
        if (false === $parts) {
            return [null, null];
        }

        $host = isset($parts['host']) ? $parts['host'] : null;
        $port = isset($parts['port']) ? $parts['port'] : null;

        return [$host, $port];
    }

    /**
     * Get a Uri populated with values from $_SERVER.
     *
     * @return UriInterface
     */
    public static function getUriFromGlobals()
    {
        $uri = new Uri('');

        $uri = $uri->withScheme(!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' ? 'https' : 'http');

        $hasPort = false;
        if (isset($_SERVER['HTTP_HOST'])) {
            list($host, $port) = self::extractHostAndPortFromAuthority($_SERVER['HTTP_HOST']);
            if ($host !== null) {
                $uri = $uri->withHost($host);
            }

            if ($port !== null) {
                $hasPort = true;
                $uri = $uri->withPort($port);
            }
        } elseif (isset($_SERVER['SERVER_NAME'])) {
            $uri = $uri->withHost($_SERVER['SERVER_NAME']);
        } elseif (isset($_SERVER['SERVER_ADDR'])) {
            $uri = $uri->withHost($_SERVER['SERVER_ADDR']);
        }

        if (!$hasPort && isset($_SERVER['SERVER_PORT'])) {
            $uri = $uri->withPort($_SERVER['SERVER_PORT']);
        }

        $hasQuery = false;
        if (isset($_SERVER['REQUEST_URI'])) {
            $requestUriParts = explode('?', $_SERVER['REQUEST_URI'], 2);
            $uri = $uri->withPath($requestUriParts[0]);
            if (isset($requestUriParts[1])) {
                $hasQuery = true;
                $uri = $uri->withQuery($requestUriParts[1]);
            }
        }

        if (!$hasQuery && isset($_SERVER['QUERY_STRING'])) {
            $uri = $uri->withQuery($_SERVER['QUERY_STRING']);
        }

        return $uri;
    }

    /**
     * {@inheritdoc}
     */
    public function getServerParams()
    {
        return $this->serverParams;
    }

    /**
     * {@inheritdoc}
     */
    public function getUploadedFiles()
    {
        return $this->uploadedFiles;
    }

    /**
     * {@inheritdoc}
     */
    public function withUploadedFiles(array $uploadedFiles)
    {
        $new = clone $this;
        $new->uploadedFiles = $uploadedFiles;

        return $new;
    }

    /**
     * {@inheritdoc}
     */
    public function getCookieParams()
    {
        return $this->cookieParams;
    }

    /**
     * {@inheritdoc}
     */
    public function withCookieParams(array $cookies)
    {
        $new = clone $this;
        $new->cookieParams = $cookies;

        return $new;
    }

    /**
     * {@inheritdoc}
     */
    public function getQueryParams()
    {
        return $this->queryParams;
    }

    /**
     * {@inheritdoc}
     */
    public function withQueryParams(array $query)
    {
        $new = clone $this;
        $new->queryParams = $query;

        return $new;
    }

    /**
     * {@inheritdoc}
     */
    public function getParsedBody()
    {
        return $this->parsedBody;
    }

    /**
     * {@inheritdoc}
     */
    public function withParsedBody($data)
    {
        $new = clone $this;
        $new->parsedBody = $data;

        return $new;
    }

    /**
     * {@inheritdoc}
     */
    public function getAttributes()
    {
        return $this->attributes;
    }

    /**
     * {@inheritdoc}
     */
    public function getAttribute($attribute, $default = null)
    {
        if (false === array_key_exists($attribute, $this->attributes)) {
            return $default;
        }

        return $this->attributes[$attribute];
    }

    /**
     * {@inheritdoc}
     */
    public function withAttribute($attribute, $value)
    {
        $new = clone $this;
        $new->attributes[$attribute] = $value;

        return $new;
    }

    /**
     * {@inheritdoc}
     */
    public function withoutAttribute($attribute)
    {
        if (false === array_key_exists($attribute, $this->attributes)) {
            return $this;
        }

        $new = clone $this;
        unset($new->attributes[$attribute]);

        return $new;
    }
}
PK     £ˆU]LwE±š  š  %  vendor/guzzlehttp/psr7/src/Stream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * PHP stream implementation.
 *
 * @var $stream
 */
class Stream implements StreamInterface
{
    /**
     * Resource modes.
     *
     * @var string
     *
     * @see http://php.net/manual/function.fopen.php
     * @see http://php.net/manual/en/function.gzopen.php
     */
    const READABLE_MODES = '/r|a\+|ab\+|w\+|wb\+|x\+|xb\+|c\+|cb\+/';
    const WRITABLE_MODES = '/a|w|r\+|rb\+|rw|x|c/';

    private $stream;
    private $size;
    private $seekable;
    private $readable;
    private $writable;
    private $uri;
    private $customMetadata;

    /**
     * This constructor accepts an associative array of options.
     *
     * - size: (int) If a read stream would otherwise have an indeterminate
     *   size, but the size is known due to foreknowledge, then you can
     *   provide that size, in bytes.
     * - metadata: (array) Any additional metadata to return when the metadata
     *   of the stream is accessed.
     *
     * @param resource $stream  Stream resource to wrap.
     * @param array    $options Associative array of options.
     *
     * @throws \InvalidArgumentException if the stream is not a stream resource
     */
    public function __construct($stream, $options = [])
    {
        if (!is_resource($stream)) {
            throw new \InvalidArgumentException('Stream must be a resource');
        }

        if (isset($options['size'])) {
            $this->size = $options['size'];
        }

        $this->customMetadata = isset($options['metadata'])
            ? $options['metadata']
            : [];

        $this->stream = $stream;
        $meta = stream_get_meta_data($this->stream);
        $this->seekable = $meta['seekable'];
        $this->readable = (bool)preg_match(self::READABLE_MODES, $meta['mode']);
        $this->writable = (bool)preg_match(self::WRITABLE_MODES, $meta['mode']);
        $this->uri = $this->getMetadata('uri');
    }

    /**
     * Closes the stream when the destructed
     */
    public function __destruct()
    {
        $this->close();
    }

    public function __toString()
    {
        try {
            if ($this->isSeekable()) {
                $this->seek(0);
            }
            return $this->getContents();
        } catch (\Exception $e) {
            return '';
        }
    }

    public function getContents()
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

        $contents = stream_get_contents($this->stream);

        if ($contents === false) {
            throw new \RuntimeException('Unable to read stream contents');
        }

        return $contents;
    }

    public function close()
    {
        if (isset($this->stream)) {
            if (is_resource($this->stream)) {
                fclose($this->stream);
            }
            $this->detach();
        }
    }

    public function detach()
    {
        if (!isset($this->stream)) {
            return null;
        }

        $result = $this->stream;
        unset($this->stream);
        $this->size = $this->uri = null;
        $this->readable = $this->writable = $this->seekable = false;

        return $result;
    }

    public function getSize()
    {
        if ($this->size !== null) {
            return $this->size;
        }

        if (!isset($this->stream)) {
            return null;
        }

        // Clear the stat cache if the stream has a URI
        if ($this->uri) {
            clearstatcache(true, $this->uri);
        }

        $stats = fstat($this->stream);
        if (isset($stats['size'])) {
            $this->size = $stats['size'];
            return $this->size;
        }

        return null;
    }

    public function isReadable()
    {
        return $this->readable;
    }

    public function isWritable()
    {
        return $this->writable;
    }

    public function isSeekable()
    {
        return $this->seekable;
    }

    public function eof()
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

        return feof($this->stream);
    }

    public function tell()
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }

        $result = ftell($this->stream);

        if ($result === false) {
            throw new \RuntimeException('Unable to determine stream position');
        }

        return $result;
    }

    public function rewind()
    {
        $this->seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        $whence = (int) $whence;

        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->seekable) {
            throw new \RuntimeException('Stream is not seekable');
        }
        if (fseek($this->stream, $offset, $whence) === -1) {
            throw new \RuntimeException('Unable to seek to stream position '
                . $offset . ' with whence ' . var_export($whence, true));
        }
    }

    public function read($length)
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->readable) {
            throw new \RuntimeException('Cannot read from non-readable stream');
        }
        if ($length < 0) {
            throw new \RuntimeException('Length parameter cannot be negative');
        }

        if (0 === $length) {
            return '';
        }

        $string = fread($this->stream, $length);
        if (false === $string) {
            throw new \RuntimeException('Unable to read from stream');
        }

        return $string;
    }

    public function write($string)
    {
        if (!isset($this->stream)) {
            throw new \RuntimeException('Stream is detached');
        }
        if (!$this->writable) {
            throw new \RuntimeException('Cannot write to a non-writable stream');
        }

        // We can't know the size after writing anything
        $this->size = null;
        $result = fwrite($this->stream, $string);

        if ($result === false) {
            throw new \RuntimeException('Unable to write to stream');
        }

        return $result;
    }

    public function getMetadata($key = null)
    {
        if (!isset($this->stream)) {
            return $key ? null : [];
        } elseif (!$key) {
            return $this->customMetadata + stream_get_meta_data($this->stream);
        } elseif (isset($this->customMetadata[$key])) {
            return $this->customMetadata[$key];
        }

        $meta = stream_get_meta_data($this->stream);

        return isset($meta[$key]) ? $meta[$key] : null;
    }
}
PK     £ˆU]÷¼£„  „  -  vendor/guzzlehttp/psr7/src/LazyOpenStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Lazily reads or writes to a file that is opened only after an IO operation
 * take place on the stream.
 *
 * @final
 */
class LazyOpenStream implements StreamInterface
{
    use StreamDecoratorTrait;

    /** @var string File to open */
    private $filename;

    /** @var string */
    private $mode;

    /**
     * @param string $filename File to lazily open
     * @param string $mode     fopen mode to use when opening the stream
     */
    public function __construct($filename, $mode)
    {
        $this->filename = $filename;
        $this->mode = $mode;
    }

    /**
     * Creates the underlying stream lazily when required.
     *
     * @return StreamInterface
     */
    protected function createStream()
    {
        return Utils::streamFor(Utils::tryFopen($this->filename, $this->mode));
    }
}
PK     £ˆU]º'    +  vendor/guzzlehttp/psr7/src/BufferStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Provides a buffer stream that can be written to to fill a buffer, and read
 * from to remove bytes from the buffer.
 *
 * This stream returns a "hwm" metadata value that tells upstream consumers
 * what the configured high water mark of the stream is, or the maximum
 * preferred size of the buffer.
 *
 * @final
 */
class BufferStream implements StreamInterface
{
    private $hwm;
    private $buffer = '';

    /**
     * @param int $hwm High water mark, representing the preferred maximum
     *                 buffer size. If the size of the buffer exceeds the high
     *                 water mark, then calls to write will continue to succeed
     *                 but will return false to inform writers to slow down
     *                 until the buffer has been drained by reading from it.
     */
    public function __construct($hwm = 16384)
    {
        $this->hwm = $hwm;
    }

    public function __toString()
    {
        return $this->getContents();
    }

    public function getContents()
    {
        $buffer = $this->buffer;
        $this->buffer = '';

        return $buffer;
    }

    public function close()
    {
        $this->buffer = '';
    }

    public function detach()
    {
        $this->close();

        return null;
    }

    public function getSize()
    {
        return strlen($this->buffer);
    }

    public function isReadable()
    {
        return true;
    }

    public function isWritable()
    {
        return true;
    }

    public function isSeekable()
    {
        return false;
    }

    public function rewind()
    {
        $this->seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        throw new \RuntimeException('Cannot seek a BufferStream');
    }

    public function eof()
    {
        return strlen($this->buffer) === 0;
    }

    public function tell()
    {
        throw new \RuntimeException('Cannot determine the position of a BufferStream');
    }

    /**
     * Reads data from the buffer.
     */
    public function read($length)
    {
        $currentLength = strlen($this->buffer);

        if ($length >= $currentLength) {
            // No need to slice the buffer because we don't have enough data.
            $result = $this->buffer;
            $this->buffer = '';
        } else {
            // Slice up the result to provide a subset of the buffer.
            $result = substr($this->buffer, 0, $length);
            $this->buffer = substr($this->buffer, $length);
        }

        return $result;
    }

    /**
     * Writes data to the buffer.
     */
    public function write($string)
    {
        $this->buffer .= $string;

        // TODO: What should happen here?
        if (strlen($this->buffer) >= $this->hwm) {
            return false;
        }

        return strlen($string);
    }

    public function getMetadata($key = null)
    {
        if ($key == 'hwm') {
            return $this->hwm;
        }

        return $key ? null : [];
    }
}
PK     £ˆU]�ë¢Ûb  b  ,  vendor/guzzlehttp/psr7/src/CachingStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator that can cache previously read bytes from a sequentially
 * read stream.
 *
 * @final
 */
class CachingStream implements StreamInterface
{
    use StreamDecoratorTrait;

    /** @var StreamInterface Stream being wrapped */
    private $remoteStream;

    /** @var int Number of bytes to skip reading due to a write on the buffer */
    private $skipReadBytes = 0;

    /**
     * We will treat the buffer object as the body of the stream
     *
     * @param StreamInterface $stream Stream to cache. The cursor is assumed to be at the beginning of the stream.
     * @param StreamInterface $target Optionally specify where data is cached
     */
    public function __construct(
        StreamInterface $stream,
        StreamInterface $target = null
    ) {
        $this->remoteStream = $stream;
        $this->stream = $target ?: new Stream(Utils::tryFopen('php://temp', 'r+'));
    }

    public function getSize()
    {
        $remoteSize = $this->remoteStream->getSize();

        if (null === $remoteSize) {
            return null;
        }

        return max($this->stream->getSize(), $remoteSize);
    }

    public function rewind()
    {
        $this->seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        if ($whence == SEEK_SET) {
            $byte = $offset;
        } elseif ($whence == SEEK_CUR) {
            $byte = $offset + $this->tell();
        } elseif ($whence == SEEK_END) {
            $size = $this->remoteStream->getSize();
            if ($size === null) {
                $size = $this->cacheEntireStream();
            }
            $byte = $size + $offset;
        } else {
            throw new \InvalidArgumentException('Invalid whence');
        }

        $diff = $byte - $this->stream->getSize();

        if ($diff > 0) {
            // Read the remoteStream until we have read in at least the amount
            // of bytes requested, or we reach the end of the file.
            while ($diff > 0 && !$this->remoteStream->eof()) {
                $this->read($diff);
                $diff = $byte - $this->stream->getSize();
            }
        } else {
            // We can just do a normal seek since we've already seen this byte.
            $this->stream->seek($byte);
        }
    }

    public function read($length)
    {
        // Perform a regular read on any previously read data from the buffer
        $data = $this->stream->read($length);
        $remaining = $length - strlen($data);

        // More data was requested so read from the remote stream
        if ($remaining) {
            // If data was written to the buffer in a position that would have
            // been filled from the remote stream, then we must skip bytes on
            // the remote stream to emulate overwriting bytes from that
            // position. This mimics the behavior of other PHP stream wrappers.
            $remoteData = $this->remoteStream->read(
                $remaining + $this->skipReadBytes
            );

            if ($this->skipReadBytes) {
                $len = strlen($remoteData);
                $remoteData = substr($remoteData, $this->skipReadBytes);
                $this->skipReadBytes = max(0, $this->skipReadBytes - $len);
            }

            $data .= $remoteData;
            $this->stream->write($remoteData);
        }

        return $data;
    }

    public function write($string)
    {
        // When appending to the end of the currently read stream, you'll want
        // to skip bytes from being read from the remote stream to emulate
        // other stream wrappers. Basically replacing bytes of data of a fixed
        // length.
        $overflow = (strlen($string) + $this->tell()) - $this->remoteStream->tell();
        if ($overflow > 0) {
            $this->skipReadBytes += $overflow;
        }

        return $this->stream->write($string);
    }

    public function eof()
    {
        return $this->stream->eof() && $this->remoteStream->eof();
    }

    /**
     * Close both the remote stream and buffer stream
     */
    public function close()
    {
        $this->remoteStream->close() && $this->stream->close();
    }

    private function cacheEntireStream()
    {
        $target = new FnStream(['write' => 'strlen']);
        Utils::copyToStream($this, $target);

        return $this->tell();
    }
}
PK     £ˆU]5},Äõ  õ  '  vendor/guzzlehttp/psr7/src/MimeType.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

final class MimeType
{
    /**
     * Determines the mimetype of a file by looking at its extension.
     *
     * @param string $filename
     *
     * @return string|null
     */
    public static function fromFilename($filename)
    {
        return self::fromExtension(pathinfo($filename, PATHINFO_EXTENSION));
    }

    /**
     * Maps a file extensions to a mimetype.
     *
     * @param string $extension string The file extension.
     *
     * @return string|null
     *
     * @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
     */
    public static function fromExtension($extension)
    {
        static $mimetypes = [
            '3gp' => 'video/3gpp',
            '7z' => 'application/x-7z-compressed',
            'aac' => 'audio/x-aac',
            'ai' => 'application/postscript',
            'aif' => 'audio/x-aiff',
            'asc' => 'text/plain',
            'asf' => 'video/x-ms-asf',
            'atom' => 'application/atom+xml',
            'avi' => 'video/x-msvideo',
            'bmp' => 'image/bmp',
            'bz2' => 'application/x-bzip2',
            'cer' => 'application/pkix-cert',
            'crl' => 'application/pkix-crl',
            'crt' => 'application/x-x509-ca-cert',
            'css' => 'text/css',
            'csv' => 'text/csv',
            'cu' => 'application/cu-seeme',
            'deb' => 'application/x-debian-package',
            'doc' => 'application/msword',
            'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'dvi' => 'application/x-dvi',
            'eot' => 'application/vnd.ms-fontobject',
            'eps' => 'application/postscript',
            'epub' => 'application/epub+zip',
            'etx' => 'text/x-setext',
            'flac' => 'audio/flac',
            'flv' => 'video/x-flv',
            'gif' => 'image/gif',
            'gz' => 'application/gzip',
            'htm' => 'text/html',
            'html' => 'text/html',
            'ico' => 'image/x-icon',
            'ics' => 'text/calendar',
            'ini' => 'text/plain',
            'iso' => 'application/x-iso9660-image',
            'jar' => 'application/java-archive',
            'jpe' => 'image/jpeg',
            'jpeg' => 'image/jpeg',
            'jpg' => 'image/jpeg',
            'js' => 'text/javascript',
            'json' => 'application/json',
            'latex' => 'application/x-latex',
            'log' => 'text/plain',
            'm4a' => 'audio/mp4',
            'm4v' => 'video/mp4',
            'mid' => 'audio/midi',
            'midi' => 'audio/midi',
            'mov' => 'video/quicktime',
            'mkv' => 'video/x-matroska',
            'mp3' => 'audio/mpeg',
            'mp4' => 'video/mp4',
            'mp4a' => 'audio/mp4',
            'mp4v' => 'video/mp4',
            'mpe' => 'video/mpeg',
            'mpeg' => 'video/mpeg',
            'mpg' => 'video/mpeg',
            'mpg4' => 'video/mp4',
            'oga' => 'audio/ogg',
            'ogg' => 'audio/ogg',
            'ogv' => 'video/ogg',
            'ogx' => 'application/ogg',
            'pbm' => 'image/x-portable-bitmap',
            'pdf' => 'application/pdf',
            'pgm' => 'image/x-portable-graymap',
            'png' => 'image/png',
            'pnm' => 'image/x-portable-anymap',
            'ppm' => 'image/x-portable-pixmap',
            'ppt' => 'application/vnd.ms-powerpoint',
            'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
            'ps' => 'application/postscript',
            'qt' => 'video/quicktime',
            'rar' => 'application/x-rar-compressed',
            'ras' => 'image/x-cmu-raster',
            'rss' => 'application/rss+xml',
            'rtf' => 'application/rtf',
            'sgm' => 'text/sgml',
            'sgml' => 'text/sgml',
            'svg' => 'image/svg+xml',
            'swf' => 'application/x-shockwave-flash',
            'tar' => 'application/x-tar',
            'tif' => 'image/tiff',
            'tiff' => 'image/tiff',
            'torrent' => 'application/x-bittorrent',
            'ttf' => 'application/x-font-ttf',
            'txt' => 'text/plain',
            'wav' => 'audio/x-wav',
            'webm' => 'video/webm',
            'webp' => 'image/webp',
            'wma' => 'audio/x-ms-wma',
            'wmv' => 'video/x-ms-wmv',
            'woff' => 'application/x-font-woff',
            'wsdl' => 'application/wsdl+xml',
            'xbm' => 'image/x-xbitmap',
            'xls' => 'application/vnd.ms-excel',
            'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
            'xml' => 'application/xml',
            'xpm' => 'image/x-xpixmap',
            'xwd' => 'image/x-xwindowdump',
            'yaml' => 'text/yaml',
            'yml' => 'text/yaml',
            'zip' => 'application/zip',
        ];

        $extension = strtolower($extension);

        return isset($mimetypes[$extension])
            ? $mimetypes[$extension]
            : null;
    }
}
PK     £ˆU]ŸGWÉ  É  '  vendor/guzzlehttp/psr7/src/Response.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;

/**
 * PSR-7 response implementation.
 */
class Response implements ResponseInterface
{
    use MessageTrait;

    /** @var array Map of standard HTTP status code/reason phrases */
    private static $phrases = [
        100 => 'Continue',
        101 => 'Switching Protocols',
        102 => 'Processing',
        200 => 'OK',
        201 => 'Created',
        202 => 'Accepted',
        203 => 'Non-Authoritative Information',
        204 => 'No Content',
        205 => 'Reset Content',
        206 => 'Partial Content',
        207 => 'Multi-status',
        208 => 'Already Reported',
        300 => 'Multiple Choices',
        301 => 'Moved Permanently',
        302 => 'Found',
        303 => 'See Other',
        304 => 'Not Modified',
        305 => 'Use Proxy',
        306 => 'Switch Proxy',
        307 => 'Temporary Redirect',
        400 => 'Bad Request',
        401 => 'Unauthorized',
        402 => 'Payment Required',
        403 => 'Forbidden',
        404 => 'Not Found',
        405 => 'Method Not Allowed',
        406 => 'Not Acceptable',
        407 => 'Proxy Authentication Required',
        408 => 'Request Time-out',
        409 => 'Conflict',
        410 => 'Gone',
        411 => 'Length Required',
        412 => 'Precondition Failed',
        413 => 'Request Entity Too Large',
        414 => 'Request-URI Too Large',
        415 => 'Unsupported Media Type',
        416 => 'Requested range not satisfiable',
        417 => 'Expectation Failed',
        418 => 'I\'m a teapot',
        422 => 'Unprocessable Entity',
        423 => 'Locked',
        424 => 'Failed Dependency',
        425 => 'Unordered Collection',
        426 => 'Upgrade Required',
        428 => 'Precondition Required',
        429 => 'Too Many Requests',
        431 => 'Request Header Fields Too Large',
        451 => 'Unavailable For Legal Reasons',
        500 => 'Internal Server Error',
        501 => 'Not Implemented',
        502 => 'Bad Gateway',
        503 => 'Service Unavailable',
        504 => 'Gateway Time-out',
        505 => 'HTTP Version not supported',
        506 => 'Variant Also Negotiates',
        507 => 'Insufficient Storage',
        508 => 'Loop Detected',
        511 => 'Network Authentication Required',
    ];

    /** @var string */
    private $reasonPhrase = '';

    /** @var int */
    private $statusCode = 200;

    /**
     * @param int                                  $status  Status code
     * @param array                                $headers Response headers
     * @param string|resource|StreamInterface|null $body    Response body
     * @param string                               $version Protocol version
     * @param string|null                          $reason  Reason phrase (when empty a default will be used based on the status code)
     */
    public function __construct(
        $status = 200,
        array $headers = [],
        $body = null,
        $version = '1.1',
        $reason = null
    ) {
        $this->assertStatusCodeIsInteger($status);
        $status = (int) $status;
        $this->assertStatusCodeRange($status);

        $this->statusCode = $status;

        if ($body !== '' && $body !== null) {
            $this->stream = Utils::streamFor($body);
        }

        $this->setHeaders($headers);
        if ($reason == '' && isset(self::$phrases[$this->statusCode])) {
            $this->reasonPhrase = self::$phrases[$this->statusCode];
        } else {
            $this->reasonPhrase = (string) $reason;
        }

        $this->protocol = $version;
    }

    public function getStatusCode()
    {
        return $this->statusCode;
    }

    public function getReasonPhrase()
    {
        return $this->reasonPhrase;
    }

    public function withStatus($code, $reasonPhrase = '')
    {
        $this->assertStatusCodeIsInteger($code);
        $code = (int) $code;
        $this->assertStatusCodeRange($code);

        $new = clone $this;
        $new->statusCode = $code;
        if ($reasonPhrase == '' && isset(self::$phrases[$new->statusCode])) {
            $reasonPhrase = self::$phrases[$new->statusCode];
        }
        $new->reasonPhrase = (string) $reasonPhrase;
        return $new;
    }

    private function assertStatusCodeIsInteger($statusCode)
    {
        if (filter_var($statusCode, FILTER_VALIDATE_INT) === false) {
            throw new \InvalidArgumentException('Status code must be an integer value.');
        }
    }

    private function assertStatusCodeRange($statusCode)
    {
        if ($statusCode < 100 || $statusCode >= 600) {
            throw new \InvalidArgumentException('Status code must be an integer value between 1xx and 5xx.');
        }
    }
}
PK     £ˆU]ÓH´½œ   œ   0  vendor/guzzlehttp/psr7/src/functions_include.phpnu „[µü¤        <?php

// Don't redefine the functions if included multiple times.
if (!function_exists('GuzzleHttp\Psr7\str')) {
    require __DIR__ . '/functions.php';
}
PK     £ˆU]ëPnô  ô  )  vendor/guzzlehttp/psr7/src/PumpStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Provides a read only stream that pumps data from a PHP callable.
 *
 * When invoking the provided callable, the PumpStream will pass the amount of
 * data requested to read to the callable. The callable can choose to ignore
 * this value and return fewer or more bytes than requested. Any extra data
 * returned by the provided callable is buffered internally until drained using
 * the read() function of the PumpStream. The provided callable MUST return
 * false when there is no more data to read.
 *
 * @final
 */
class PumpStream implements StreamInterface
{
    /** @var callable */
    private $source;

    /** @var int */
    private $size;

    /** @var int */
    private $tellPos = 0;

    /** @var array */
    private $metadata;

    /** @var BufferStream */
    private $buffer;

    /**
     * @param callable $source  Source of the stream data. The callable MAY
     *                          accept an integer argument used to control the
     *                          amount of data to return. The callable MUST
     *                          return a string when called, or false on error
     *                          or EOF.
     * @param array    $options Stream options:
     *                          - metadata: Hash of metadata to use with stream.
     *                          - size: Size of the stream, if known.
     */
    public function __construct(callable $source, array $options = [])
    {
        $this->source = $source;
        $this->size = isset($options['size']) ? $options['size'] : null;
        $this->metadata = isset($options['metadata']) ? $options['metadata'] : [];
        $this->buffer = new BufferStream();
    }

    public function __toString()
    {
        try {
            return Utils::copyToString($this);
        } catch (\Exception $e) {
            return '';
        }
    }

    public function close()
    {
        $this->detach();
    }

    public function detach()
    {
        $this->tellPos = false;
        $this->source = null;

        return null;
    }

    public function getSize()
    {
        return $this->size;
    }

    public function tell()
    {
        return $this->tellPos;
    }

    public function eof()
    {
        return !$this->source;
    }

    public function isSeekable()
    {
        return false;
    }

    public function rewind()
    {
        $this->seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        throw new \RuntimeException('Cannot seek a PumpStream');
    }

    public function isWritable()
    {
        return false;
    }

    public function write($string)
    {
        throw new \RuntimeException('Cannot write to a PumpStream');
    }

    public function isReadable()
    {
        return true;
    }

    public function read($length)
    {
        $data = $this->buffer->read($length);
        $readLen = strlen($data);
        $this->tellPos += $readLen;
        $remaining = $length - $readLen;

        if ($remaining) {
            $this->pump($remaining);
            $data .= $this->buffer->read($remaining);
            $this->tellPos += strlen($data) - $readLen;
        }

        return $data;
    }

    public function getContents()
    {
        $result = '';
        while (!$this->eof()) {
            $result .= $this->read(1000000);
        }

        return $result;
    }

    public function getMetadata($key = null)
    {
        if (!$key) {
            return $this->metadata;
        }

        return isset($this->metadata[$key]) ? $this->metadata[$key] : null;
    }

    private function pump($length)
    {
        if ($this->source) {
            do {
                $data = call_user_func($this->source, $length);
                if ($data === false || $data === null) {
                    $this->source = null;
                    return;
                }
                $this->buffer->write($data);
                $length -= strlen($data);
            } while ($length > 0);
        }
    }
}
PK     £ˆU]®žÞ	�  �  *  vendor/guzzlehttp/psr7/src/LimitStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Decorator used to return only a subset of a stream.
 *
 * @final
 */
class LimitStream implements StreamInterface
{
    use StreamDecoratorTrait;

    /** @var int Offset to start reading from */
    private $offset;

    /** @var int Limit the number of bytes that can be read */
    private $limit;

    /**
     * @param StreamInterface $stream Stream to wrap
     * @param int             $limit  Total number of bytes to allow to be read
     *                                from the stream. Pass -1 for no limit.
     * @param int             $offset Position to seek to before reading (only
     *                                works on seekable streams).
     */
    public function __construct(
        StreamInterface $stream,
        $limit = -1,
        $offset = 0
    ) {
        $this->stream = $stream;
        $this->setLimit($limit);
        $this->setOffset($offset);
    }

    public function eof()
    {
        // Always return true if the underlying stream is EOF
        if ($this->stream->eof()) {
            return true;
        }

        // No limit and the underlying stream is not at EOF
        if ($this->limit == -1) {
            return false;
        }

        return $this->stream->tell() >= $this->offset + $this->limit;
    }

    /**
     * Returns the size of the limited subset of data
     * {@inheritdoc}
     */
    public function getSize()
    {
        if (null === ($length = $this->stream->getSize())) {
            return null;
        } elseif ($this->limit == -1) {
            return $length - $this->offset;
        } else {
            return min($this->limit, $length - $this->offset);
        }
    }

    /**
     * Allow for a bounded seek on the read limited stream
     * {@inheritdoc}
     */
    public function seek($offset, $whence = SEEK_SET)
    {
        if ($whence !== SEEK_SET || $offset < 0) {
            throw new \RuntimeException(sprintf(
                'Cannot seek to offset %s with whence %s',
                $offset,
                $whence
            ));
        }

        $offset += $this->offset;

        if ($this->limit !== -1) {
            if ($offset > $this->offset + $this->limit) {
                $offset = $this->offset + $this->limit;
            }
        }

        $this->stream->seek($offset);
    }

    /**
     * Give a relative tell()
     * {@inheritdoc}
     */
    public function tell()
    {
        return $this->stream->tell() - $this->offset;
    }

    /**
     * Set the offset to start limiting from
     *
     * @param int $offset Offset to seek to and begin byte limiting from
     *
     * @throws \RuntimeException if the stream cannot be seeked.
     */
    public function setOffset($offset)
    {
        $current = $this->stream->tell();

        if ($current !== $offset) {
            // If the stream cannot seek to the offset position, then read to it
            if ($this->stream->isSeekable()) {
                $this->stream->seek($offset);
            } elseif ($current > $offset) {
                throw new \RuntimeException("Could not seek to stream offset $offset");
            } else {
                $this->stream->read($offset - $current);
            }
        }

        $this->offset = $offset;
    }

    /**
     * Set the limit of bytes that the decorator allows to be read from the
     * stream.
     *
     * @param int $limit Number of bytes to allow to be read from the stream.
     *                   Use -1 for no limit.
     */
    public function setLimit($limit)
    {
        $this->limit = $limit;
    }

    public function read($length)
    {
        if ($this->limit == -1) {
            return $this->stream->read($length);
        }

        // Check if the current position is less than the total allowed
        // bytes + original offset
        $remaining = ($this->offset + $this->limit) - $this->stream->tell();
        if ($remaining > 0) {
            // Only return the amount of requested data, ensuring that the byte
            // limit is not exceeded
            return $this->stream->read(min($remaining, $length));
        }

        return '';
    }
}
PK     £ˆU]'Jk@Q9  Q9  $  vendor/guzzlehttp/psr7/src/Utils.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

final class Utils
{
    /**
     * Remove the items given by the keys, case insensitively from the data.
     *
     * @param iterable<string> $keys
     *
     * @return array
     */
    public static function caselessRemove($keys, array $data)
    {
        $result = [];

        foreach ($keys as &$key) {
            $key = strtolower($key);
        }

        foreach ($data as $k => $v) {
            if (!in_array(strtolower($k), $keys)) {
                $result[$k] = $v;
            }
        }

        return $result;
    }

    /**
     * Copy the contents of a stream into another stream until the given number
     * of bytes have been read.
     *
     * @param StreamInterface $source Stream to read from
     * @param StreamInterface $dest   Stream to write to
     * @param int             $maxLen Maximum number of bytes to read. Pass -1
     *                                to read the entire stream.
     *
     * @throws \RuntimeException on error.
     */
    public static function copyToStream(StreamInterface $source, StreamInterface $dest, $maxLen = -1)
    {
        $bufferSize = 8192;

        if ($maxLen === -1) {
            while (!$source->eof()) {
                if (!$dest->write($source->read($bufferSize))) {
                    break;
                }
            }
        } else {
            $remaining = $maxLen;
            while ($remaining > 0 && !$source->eof()) {
                $buf = $source->read(min($bufferSize, $remaining));
                $len = strlen($buf);
                if (!$len) {
                    break;
                }
                $remaining -= $len;
                $dest->write($buf);
            }
        }
    }

    /**
     * Copy the contents of a stream into a string until the given number of
     * bytes have been read.
     *
     * @param StreamInterface $stream Stream to read
     * @param int             $maxLen Maximum number of bytes to read. Pass -1
     *                                to read the entire stream.
     *
     * @return string
     *
     * @throws \RuntimeException on error.
     */
    public static function copyToString(StreamInterface $stream, $maxLen = -1)
    {
        $buffer = '';

        if ($maxLen === -1) {
            while (!$stream->eof()) {
                $buf = $stream->read(1048576);
                // Using a loose equality here to match on '' and false.
                if ($buf == null) {
                    break;
                }
                $buffer .= $buf;
            }
            return $buffer;
        }

        $len = 0;
        while (!$stream->eof() && $len < $maxLen) {
            $buf = $stream->read($maxLen - $len);
            // Using a loose equality here to match on '' and false.
            if ($buf == null) {
                break;
            }
            $buffer .= $buf;
            $len = strlen($buffer);
        }

        return $buffer;
    }

    /**
     * Calculate a hash of a stream.
     *
     * This method reads the entire stream to calculate a rolling hash, based
     * on PHP's `hash_init` functions.
     *
     * @param StreamInterface $stream    Stream to calculate the hash for
     * @param string          $algo      Hash algorithm (e.g. md5, crc32, etc)
     * @param bool            $rawOutput Whether or not to use raw output
     *
     * @return string Returns the hash of the stream
     *
     * @throws \RuntimeException on error.
     */
    public static function hash(StreamInterface $stream, $algo, $rawOutput = false)
    {
        $pos = $stream->tell();

        if ($pos > 0) {
            $stream->rewind();
        }

        $ctx = hash_init($algo);
        while (!$stream->eof()) {
            hash_update($ctx, $stream->read(1048576));
        }

        $out = hash_final($ctx, (bool) $rawOutput);
        $stream->seek($pos);

        return $out;
    }

    /**
     * Clone and modify a request with the given changes.
     *
     * This method is useful for reducing the number of clones needed to mutate
     * a message.
     *
     * The changes can be one of:
     * - method: (string) Changes the HTTP method.
     * - set_headers: (array) Sets the given headers.
     * - remove_headers: (array) Remove the given headers.
     * - body: (mixed) Sets the given body.
     * - uri: (UriInterface) Set the URI.
     * - query: (string) Set the query string value of the URI.
     * - version: (string) Set the protocol version.
     *
     * @param RequestInterface $request Request to clone and modify.
     * @param array            $changes Changes to apply.
     *
     * @return RequestInterface
     */
    public static function modifyRequest(RequestInterface $request, array $changes)
    {
        if (!$changes) {
            return $request;
        }

        $headers = $request->getHeaders();

        if (!isset($changes['uri'])) {
            $uri = $request->getUri();
        } else {
            // Remove the host header if one is on the URI
            if ($host = $changes['uri']->getHost()) {
                $changes['set_headers']['Host'] = $host;

                if ($port = $changes['uri']->getPort()) {
                    $standardPorts = ['http' => 80, 'https' => 443];
                    $scheme = $changes['uri']->getScheme();
                    if (isset($standardPorts[$scheme]) && $port != $standardPorts[$scheme]) {
                        $changes['set_headers']['Host'] .= ':' . $port;
                    }
                }
            }
            $uri = $changes['uri'];
        }

        if (!empty($changes['remove_headers'])) {
            $headers = self::caselessRemove($changes['remove_headers'], $headers);
        }

        if (!empty($changes['set_headers'])) {
            $headers = self::caselessRemove(array_keys($changes['set_headers']), $headers);
            $headers = $changes['set_headers'] + $headers;
        }

        if (isset($changes['query'])) {
            $uri = $uri->withQuery($changes['query']);
        }

        if ($request instanceof ServerRequestInterface) {
            $new = (new ServerRequest(
                isset($changes['method']) ? $changes['method'] : $request->getMethod(),
                $uri,
                $headers,
                isset($changes['body']) ? $changes['body'] : $request->getBody(),
                isset($changes['version'])
                    ? $changes['version']
                    : $request->getProtocolVersion(),
                $request->getServerParams()
            ))
            ->withParsedBody($request->getParsedBody())
            ->withQueryParams($request->getQueryParams())
            ->withCookieParams($request->getCookieParams())
            ->withUploadedFiles($request->getUploadedFiles());

            foreach ($request->getAttributes() as $key => $value) {
                $new = $new->withAttribute($key, $value);
            }

            return $new;
        }

        return new Request(
            isset($changes['method']) ? $changes['method'] : $request->getMethod(),
            $uri,
            $headers,
            isset($changes['body']) ? $changes['body'] : $request->getBody(),
            isset($changes['version'])
                ? $changes['version']
                : $request->getProtocolVersion()
        );
    }

    /**
     * Read a line from the stream up to the maximum allowed buffer length.
     *
     * @param StreamInterface $stream    Stream to read from
     * @param int|null        $maxLength Maximum buffer length
     *
     * @return string
     */
    public static function readLine(StreamInterface $stream, $maxLength = null)
    {
        $buffer = '';
        $size = 0;

        while (!$stream->eof()) {
            // Using a loose equality here to match on '' and false.
            if (null == ($byte = $stream->read(1))) {
                return $buffer;
            }
            $buffer .= $byte;
            // Break when a new line is found or the max length - 1 is reached
            if ($byte === "\n" || ++$size === $maxLength - 1) {
                break;
            }
        }

        return $buffer;
    }

    /**
     * Create a new stream based on the input type.
     *
     * Options is an associative array that can contain the following keys:
     * - metadata: Array of custom metadata.
     * - size: Size of the stream.
     *
     * This method accepts the following `$resource` types:
     * - `Psr\Http\Message\StreamInterface`: Returns the value as-is.
     * - `string`: Creates a stream object that uses the given string as the contents.
     * - `resource`: Creates a stream object that wraps the given PHP stream resource.
     * - `Iterator`: If the provided value implements `Iterator`, then a read-only
     *   stream object will be created that wraps the given iterable. Each time the
     *   stream is read from, data from the iterator will fill a buffer and will be
     *   continuously called until the buffer is equal to the requested read size.
     *   Subsequent read calls will first read from the buffer and then call `next`
     *   on the underlying iterator until it is exhausted.
     * - `object` with `__toString()`: If the object has the `__toString()` method,
     *   the object will be cast to a string and then a stream will be returned that
     *   uses the string value.
     * - `NULL`: When `null` is passed, an empty stream object is returned.
     * - `callable` When a callable is passed, a read-only stream object will be
     *   created that invokes the given callable. The callable is invoked with the
     *   number of suggested bytes to read. The callable can return any number of
     *   bytes, but MUST return `false` when there is no more data to return. The
     *   stream object that wraps the callable will invoke the callable until the
     *   number of requested bytes are available. Any additional bytes will be
     *   buffered and used in subsequent reads.
     *
     * @param resource|string|int|float|bool|StreamInterface|callable|\Iterator|null $resource Entity body data
     * @param array                                                                  $options  Additional options
     *
     * @return StreamInterface
     *
     * @throws \InvalidArgumentException if the $resource arg is not valid.
     */
    public static function streamFor($resource = '', array $options = [])
    {
        if (is_scalar($resource)) {
            $stream = self::tryFopen('php://temp', 'r+');
            if ($resource !== '') {
                fwrite($stream, $resource);
                fseek($stream, 0);
            }
            return new Stream($stream, $options);
        }

        switch (gettype($resource)) {
            case 'resource':
                /*
                 * The 'php://input' is a special stream with quirks and inconsistencies.
                 * We avoid using that stream by reading it into php://temp
                 */
                $metaData = \stream_get_meta_data($resource);
                if (isset($metaData['uri']) && $metaData['uri'] === 'php://input') {
                    $stream = self::tryFopen('php://temp', 'w+');
                    fwrite($stream, stream_get_contents($resource));
                    fseek($stream, 0);
                    $resource = $stream;
                }
                return new Stream($resource, $options);
            case 'object':
                if ($resource instanceof StreamInterface) {
                    return $resource;
                } elseif ($resource instanceof \Iterator) {
                    return new PumpStream(function () use ($resource) {
                        if (!$resource->valid()) {
                            return false;
                        }
                        $result = $resource->current();
                        $resource->next();
                        return $result;
                    }, $options);
                } elseif (method_exists($resource, '__toString')) {
                    return Utils::streamFor((string) $resource, $options);
                }
                break;
            case 'NULL':
                return new Stream(self::tryFopen('php://temp', 'r+'), $options);
        }

        if (is_callable($resource)) {
            return new PumpStream($resource, $options);
        }

        throw new \InvalidArgumentException('Invalid resource type: ' . gettype($resource));
    }

    /**
     * Safely opens a PHP stream resource using a filename.
     *
     * When fopen fails, PHP normally raises a warning. This function adds an
     * error handler that checks for errors and throws an exception instead.
     *
     * @param string $filename File to open
     * @param string $mode     Mode used to open the file
     *
     * @return resource
     *
     * @throws \RuntimeException if the file cannot be opened
     */
    public static function tryFopen($filename, $mode)
    {
        $ex = null;
        set_error_handler(function () use ($filename, $mode, &$ex) {
            $ex = new \RuntimeException(sprintf(
                'Unable to open "%s" using mode "%s": %s',
                $filename,
                $mode,
                func_get_args()[1]
            ));

            return true;
        });

        try {
            $handle = fopen($filename, $mode);
        } catch (\Throwable $e) {
            $ex = new \RuntimeException(sprintf(
                'Unable to open "%s" using mode "%s": %s',
                $filename,
                $mode,
                $e->getMessage()
            ), 0, $e);
        }

        restore_error_handler();

        if ($ex) {
            /** @var $ex \RuntimeException */
            throw $ex;
        }

        return $handle;
    }

    /**
     * Returns a UriInterface for the given value.
     *
     * This function accepts a string or UriInterface and returns a
     * UriInterface for the given value. If the value is already a
     * UriInterface, it is returned as-is.
     *
     * @param string|UriInterface $uri
     *
     * @return UriInterface
     *
     * @throws \InvalidArgumentException
     */
    public static function uriFor($uri)
    {
        if ($uri instanceof UriInterface) {
            return $uri;
        }

        if (is_string($uri)) {
            return new Uri($uri);
        }

        throw new \InvalidArgumentException('URI must be a string or UriInterface');
    }
}
PK     ¤ˆU]	<é#a4  a4  (  vendor/guzzlehttp/psr7/src/functions.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

/**
 * Returns the string representation of an HTTP message.
 *
 * @param MessageInterface $message Message to convert to a string.
 *
 * @return string
 *
 * @deprecated str will be removed in guzzlehttp/psr7:2.0. Use Message::toString instead.
 */
function str(MessageInterface $message)
{
    return Message::toString($message);
}

/**
 * Returns a UriInterface for the given value.
 *
 * This function accepts a string or UriInterface and returns a
 * UriInterface for the given value. If the value is already a
 * UriInterface, it is returned as-is.
 *
 * @param string|UriInterface $uri
 *
 * @return UriInterface
 *
 * @throws \InvalidArgumentException
 *
 * @deprecated uri_for will be removed in guzzlehttp/psr7:2.0. Use Utils::uriFor instead.
 */
function uri_for($uri)
{
    return Utils::uriFor($uri);
}

/**
 * Create a new stream based on the input type.
 *
 * Options is an associative array that can contain the following keys:
 * - metadata: Array of custom metadata.
 * - size: Size of the stream.
 *
 * This method accepts the following `$resource` types:
 * - `Psr\Http\Message\StreamInterface`: Returns the value as-is.
 * - `string`: Creates a stream object that uses the given string as the contents.
 * - `resource`: Creates a stream object that wraps the given PHP stream resource.
 * - `Iterator`: If the provided value implements `Iterator`, then a read-only
 *   stream object will be created that wraps the given iterable. Each time the
 *   stream is read from, data from the iterator will fill a buffer and will be
 *   continuously called until the buffer is equal to the requested read size.
 *   Subsequent read calls will first read from the buffer and then call `next`
 *   on the underlying iterator until it is exhausted.
 * - `object` with `__toString()`: If the object has the `__toString()` method,
 *   the object will be cast to a string and then a stream will be returned that
 *   uses the string value.
 * - `NULL`: When `null` is passed, an empty stream object is returned.
 * - `callable` When a callable is passed, a read-only stream object will be
 *   created that invokes the given callable. The callable is invoked with the
 *   number of suggested bytes to read. The callable can return any number of
 *   bytes, but MUST return `false` when there is no more data to return. The
 *   stream object that wraps the callable will invoke the callable until the
 *   number of requested bytes are available. Any additional bytes will be
 *   buffered and used in subsequent reads.
 *
 * @param resource|string|int|float|bool|StreamInterface|callable|\Iterator|null $resource Entity body data
 * @param array                                                                  $options  Additional options
 *
 * @return StreamInterface
 *
 * @throws \InvalidArgumentException if the $resource arg is not valid.
 *
 * @deprecated stream_for will be removed in guzzlehttp/psr7:2.0. Use Utils::streamFor instead.
 */
function stream_for($resource = '', array $options = [])
{
    return Utils::streamFor($resource, $options);
}

/**
 * Parse an array of header values containing ";" separated data into an
 * array of associative arrays representing the header key value pair data
 * of the header. When a parameter does not contain a value, but just
 * contains a key, this function will inject a key with a '' string value.
 *
 * @param string|array $header Header to parse into components.
 *
 * @return array Returns the parsed header values.
 *
 * @deprecated parse_header will be removed in guzzlehttp/psr7:2.0. Use Header::parse instead.
 */
function parse_header($header)
{
    return Header::parse($header);
}

/**
 * Converts an array of header values that may contain comma separated
 * headers into an array of headers with no comma separated values.
 *
 * @param string|array $header Header to normalize.
 *
 * @return array Returns the normalized header field values.
 *
 * @deprecated normalize_header will be removed in guzzlehttp/psr7:2.0. Use Header::normalize instead.
 */
function normalize_header($header)
{
    return Header::normalize($header);
}

/**
 * Clone and modify a request with the given changes.
 *
 * This method is useful for reducing the number of clones needed to mutate a
 * message.
 *
 * The changes can be one of:
 * - method: (string) Changes the HTTP method.
 * - set_headers: (array) Sets the given headers.
 * - remove_headers: (array) Remove the given headers.
 * - body: (mixed) Sets the given body.
 * - uri: (UriInterface) Set the URI.
 * - query: (string) Set the query string value of the URI.
 * - version: (string) Set the protocol version.
 *
 * @param RequestInterface $request Request to clone and modify.
 * @param array            $changes Changes to apply.
 *
 * @return RequestInterface
 *
 * @deprecated modify_request will be removed in guzzlehttp/psr7:2.0. Use Utils::modifyRequest instead.
 */
function modify_request(RequestInterface $request, array $changes)
{
    return Utils::modifyRequest($request, $changes);
}

/**
 * Attempts to rewind a message body and throws an exception on failure.
 *
 * The body of the message will only be rewound if a call to `tell()` returns a
 * value other than `0`.
 *
 * @param MessageInterface $message Message to rewind
 *
 * @throws \RuntimeException
 *
 * @deprecated rewind_body will be removed in guzzlehttp/psr7:2.0. Use Message::rewindBody instead.
 */
function rewind_body(MessageInterface $message)
{
    Message::rewindBody($message);
}

/**
 * Safely opens a PHP stream resource using a filename.
 *
 * When fopen fails, PHP normally raises a warning. This function adds an
 * error handler that checks for errors and throws an exception instead.
 *
 * @param string $filename File to open
 * @param string $mode     Mode used to open the file
 *
 * @return resource
 *
 * @throws \RuntimeException if the file cannot be opened
 *
 * @deprecated try_fopen will be removed in guzzlehttp/psr7:2.0. Use Utils::tryFopen instead.
 */
function try_fopen($filename, $mode)
{
    return Utils::tryFopen($filename, $mode);
}

/**
 * Copy the contents of a stream into a string until the given number of
 * bytes have been read.
 *
 * @param StreamInterface $stream Stream to read
 * @param int             $maxLen Maximum number of bytes to read. Pass -1
 *                                to read the entire stream.
 *
 * @return string
 *
 * @throws \RuntimeException on error.
 *
 * @deprecated copy_to_string will be removed in guzzlehttp/psr7:2.0. Use Utils::copyToString instead.
 */
function copy_to_string(StreamInterface $stream, $maxLen = -1)
{
    return Utils::copyToString($stream, $maxLen);
}

/**
 * Copy the contents of a stream into another stream until the given number
 * of bytes have been read.
 *
 * @param StreamInterface $source Stream to read from
 * @param StreamInterface $dest   Stream to write to
 * @param int             $maxLen Maximum number of bytes to read. Pass -1
 *                                to read the entire stream.
 *
 * @throws \RuntimeException on error.
 *
 * @deprecated copy_to_stream will be removed in guzzlehttp/psr7:2.0. Use Utils::copyToStream instead.
 */
function copy_to_stream(StreamInterface $source, StreamInterface $dest, $maxLen = -1)
{
    return Utils::copyToStream($source, $dest, $maxLen);
}

/**
 * Calculate a hash of a stream.
 *
 * This method reads the entire stream to calculate a rolling hash, based on
 * PHP's `hash_init` functions.
 *
 * @param StreamInterface $stream    Stream to calculate the hash for
 * @param string          $algo      Hash algorithm (e.g. md5, crc32, etc)
 * @param bool            $rawOutput Whether or not to use raw output
 *
 * @return string Returns the hash of the stream
 *
 * @throws \RuntimeException on error.
 *
 * @deprecated hash will be removed in guzzlehttp/psr7:2.0. Use Utils::hash instead.
 */
function hash(StreamInterface $stream, $algo, $rawOutput = false)
{
    return Utils::hash($stream, $algo, $rawOutput);
}

/**
 * Read a line from the stream up to the maximum allowed buffer length.
 *
 * @param StreamInterface $stream    Stream to read from
 * @param int|null        $maxLength Maximum buffer length
 *
 * @return string
 *
 * @deprecated readline will be removed in guzzlehttp/psr7:2.0. Use Utils::readLine instead.
 */
function readline(StreamInterface $stream, $maxLength = null)
{
    return Utils::readLine($stream, $maxLength);
}

/**
 * Parses a request message string into a request object.
 *
 * @param string $message Request message string.
 *
 * @return Request
 *
 * @deprecated parse_request will be removed in guzzlehttp/psr7:2.0. Use Message::parseRequest instead.
 */
function parse_request($message)
{
    return Message::parseRequest($message);
}

/**
 * Parses a response message string into a response object.
 *
 * @param string $message Response message string.
 *
 * @return Response
 *
 * @deprecated parse_response will be removed in guzzlehttp/psr7:2.0. Use Message::parseResponse instead.
 */
function parse_response($message)
{
    return Message::parseResponse($message);
}

/**
 * Parse a query string into an associative array.
 *
 * If multiple values are found for the same key, the value of that key value
 * pair will become an array. This function does not parse nested PHP style
 * arrays into an associative array (e.g., `foo[a]=1&foo[b]=2` will be parsed
 * into `['foo[a]' => '1', 'foo[b]' => '2'])`.
 *
 * @param string   $str         Query string to parse
 * @param int|bool $urlEncoding How the query string is encoded
 *
 * @return array
 *
 * @deprecated parse_query will be removed in guzzlehttp/psr7:2.0. Use Query::parse instead.
 */
function parse_query($str, $urlEncoding = true)
{
    return Query::parse($str, $urlEncoding);
}

/**
 * Build a query string from an array of key value pairs.
 *
 * This function can use the return value of `parse_query()` to build a query
 * string. This function does not modify the provided keys when an array is
 * encountered (like `http_build_query()` would).
 *
 * @param array     $params   Query string parameters.
 * @param int|false $encoding Set to false to not encode, PHP_QUERY_RFC3986
 *                            to encode using RFC3986, or PHP_QUERY_RFC1738
 *                            to encode using RFC1738.
 *
 * @return string
 *
 * @deprecated build_query will be removed in guzzlehttp/psr7:2.0. Use Query::build instead.
 */
function build_query(array $params, $encoding = PHP_QUERY_RFC3986)
{
    return Query::build($params, $encoding);
}

/**
 * Determines the mimetype of a file by looking at its extension.
 *
 * @param string $filename
 *
 * @return string|null
 *
 * @deprecated mimetype_from_filename will be removed in guzzlehttp/psr7:2.0. Use MimeType::fromFilename instead.
 */
function mimetype_from_filename($filename)
{
    return MimeType::fromFilename($filename);
}

/**
 * Maps a file extensions to a mimetype.
 *
 * @param $extension string The file extension.
 *
 * @return string|null
 *
 * @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
 * @deprecated mimetype_from_extension will be removed in guzzlehttp/psr7:2.0. Use MimeType::fromExtension instead.
 */
function mimetype_from_extension($extension)
{
    return MimeType::fromExtension($extension);
}

/**
 * Parses an HTTP message into an associative array.
 *
 * The array contains the "start-line" key containing the start line of
 * the message, "headers" key containing an associative array of header
 * array values, and a "body" key containing the body of the message.
 *
 * @param string $message HTTP request or response to parse.
 *
 * @return array
 *
 * @internal
 *
 * @deprecated _parse_message will be removed in guzzlehttp/psr7:2.0. Use Message::parseMessage instead.
 */
function _parse_message($message)
{
    return Message::parseMessage($message);
}

/**
 * Constructs a URI for an HTTP request message.
 *
 * @param string $path    Path from the start-line
 * @param array  $headers Array of headers (each value an array).
 *
 * @return string
 *
 * @internal
 *
 * @deprecated _parse_request_uri will be removed in guzzlehttp/psr7:2.0. Use Message::parseRequestUri instead.
 */
function _parse_request_uri($path, array $headers)
{
    return Message::parseRequestUri($path, $headers);
}

/**
 * Get a short summary of the message body.
 *
 * Will return `null` if the response is not printable.
 *
 * @param MessageInterface $message    The message to get the body summary
 * @param int              $truncateAt The maximum allowed size of the summary
 *
 * @return string|null
 *
 * @deprecated get_message_body_summary will be removed in guzzlehttp/psr7:2.0. Use Message::bodySummary instead.
 */
function get_message_body_summary(MessageInterface $message, $truncateAt = 120)
{
    return Message::bodySummary($message, $truncateAt);
}

/**
 * Remove the items given by the keys, case insensitively from the data.
 *
 * @param iterable<string> $keys
 *
 * @return array
 *
 * @internal
 *
 * @deprecated _caseless_remove will be removed in guzzlehttp/psr7:2.0. Use Utils::caselessRemove instead.
 */
function _caseless_remove($keys, array $data)
{
    return Utils::caselessRemove($keys, $data);
}
PK     ¤ˆU]]�÷)¡  ¡  .  vendor/guzzlehttp/psr7/src/MultipartStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream that when read returns bytes for a streaming multipart or
 * multipart/form-data stream.
 *
 * @final
 */
class MultipartStream implements StreamInterface
{
    use StreamDecoratorTrait;

    private $boundary;

    /**
     * @param array  $elements Array of associative arrays, each containing a
     *                         required "name" key mapping to the form field,
     *                         name, a required "contents" key mapping to a
     *                         StreamInterface/resource/string, an optional
     *                         "headers" associative array of custom headers,
     *                         and an optional "filename" key mapping to a
     *                         string to send as the filename in the part.
     * @param string $boundary You can optionally provide a specific boundary
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(array $elements = [], $boundary = null)
    {
        $this->boundary = $boundary ?: sha1(uniqid('', true));
        $this->stream = $this->createStream($elements);
    }

    /**
     * Get the boundary
     *
     * @return string
     */
    public function getBoundary()
    {
        return $this->boundary;
    }

    public function isWritable()
    {
        return false;
    }

    /**
     * Get the headers needed before transferring the content of a POST file
     */
    private function getHeaders(array $headers)
    {
        $str = '';
        foreach ($headers as $key => $value) {
            $str .= "{$key}: {$value}\r\n";
        }

        return "--{$this->boundary}\r\n" . trim($str) . "\r\n\r\n";
    }

    /**
     * Create the aggregate stream that will be used to upload the POST data
     */
    protected function createStream(array $elements)
    {
        $stream = new AppendStream();

        foreach ($elements as $element) {
            $this->addElement($stream, $element);
        }

        // Add the trailing boundary with CRLF
        $stream->addStream(Utils::streamFor("--{$this->boundary}--\r\n"));

        return $stream;
    }

    private function addElement(AppendStream $stream, array $element)
    {
        foreach (['contents', 'name'] as $key) {
            if (!array_key_exists($key, $element)) {
                throw new \InvalidArgumentException("A '{$key}' key is required");
            }
        }

        $element['contents'] = Utils::streamFor($element['contents']);

        if (empty($element['filename'])) {
            $uri = $element['contents']->getMetadata('uri');
            if (substr($uri, 0, 6) !== 'php://') {
                $element['filename'] = $uri;
            }
        }

        list($body, $headers) = $this->createElement(
            $element['name'],
            $element['contents'],
            isset($element['filename']) ? $element['filename'] : null,
            isset($element['headers']) ? $element['headers'] : []
        );

        $stream->addStream(Utils::streamFor($this->getHeaders($headers)));
        $stream->addStream($body);
        $stream->addStream(Utils::streamFor("\r\n"));
    }

    /**
     * @return array
     */
    private function createElement($name, StreamInterface $stream, $filename, array $headers)
    {
        // Set a default content-disposition header if one was no provided
        $disposition = $this->getHeader($headers, 'content-disposition');
        if (!$disposition) {
            $headers['Content-Disposition'] = ($filename === '0' || $filename)
                ? sprintf(
                    'form-data; name="%s"; filename="%s"',
                    $name,
                    basename($filename)
                )
                : "form-data; name=\"{$name}\"";
        }

        // Set a default content-length header if one was no provided
        $length = $this->getHeader($headers, 'content-length');
        if (!$length) {
            if ($length = $stream->getSize()) {
                $headers['Content-Length'] = (string) $length;
            }
        }

        // Set a default Content-Type if one was not supplied
        $type = $this->getHeader($headers, 'content-type');
        if (!$type && ($filename === '0' || $filename)) {
            if ($type = MimeType::fromFilename($filename)) {
                $headers['Content-Type'] = $type;
            }
        }

        return [$stream, $headers];
    }

    private function getHeader(array $headers, $key)
    {
        $lowercaseHeader = strtolower($key);
        foreach ($headers as $k => $v) {
            if (strtolower($k) === $lowercaseHeader) {
                return $v;
            }
        }

        return null;
    }
}
PK     ¤ˆU]¼X?xU"  U"  *  vendor/guzzlehttp/psr7/src/UriResolver.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\UriInterface;

/**
 * Resolves a URI reference in the context of a base URI and the opposite way.
 *
 * @author Tobias Schultze
 *
 * @link https://tools.ietf.org/html/rfc3986#section-5
 */
final class UriResolver
{
    /**
     * Removes dot segments from a path and returns the new path.
     *
     * @param string $path
     *
     * @return string
     *
     * @link http://tools.ietf.org/html/rfc3986#section-5.2.4
     */
    public static function removeDotSegments($path)
    {
        if ($path === '' || $path === '/') {
            return $path;
        }

        $results = [];
        $segments = explode('/', $path);
        foreach ($segments as $segment) {
            if ($segment === '..') {
                array_pop($results);
            } elseif ($segment !== '.') {
                $results[] = $segment;
            }
        }

        $newPath = implode('/', $results);

        if ($path[0] === '/' && (!isset($newPath[0]) || $newPath[0] !== '/')) {
            // Re-add the leading slash if necessary for cases like "/.."
            $newPath = '/' . $newPath;
        } elseif ($newPath !== '' && ($segment === '.' || $segment === '..')) {
            // Add the trailing slash if necessary
            // If newPath is not empty, then $segment must be set and is the last segment from the foreach
            $newPath .= '/';
        }

        return $newPath;
    }

    /**
     * Converts the relative URI into a new URI that is resolved against the base URI.
     *
     * @param UriInterface $base Base URI
     * @param UriInterface $rel  Relative URI
     *
     * @return UriInterface
     *
     * @link http://tools.ietf.org/html/rfc3986#section-5.2
     */
    public static function resolve(UriInterface $base, UriInterface $rel)
    {
        if ((string) $rel === '') {
            // we can simply return the same base URI instance for this same-document reference
            return $base;
        }

        if ($rel->getScheme() != '') {
            return $rel->withPath(self::removeDotSegments($rel->getPath()));
        }

        if ($rel->getAuthority() != '') {
            $targetAuthority = $rel->getAuthority();
            $targetPath = self::removeDotSegments($rel->getPath());
            $targetQuery = $rel->getQuery();
        } else {
            $targetAuthority = $base->getAuthority();
            if ($rel->getPath() === '') {
                $targetPath = $base->getPath();
                $targetQuery = $rel->getQuery() != '' ? $rel->getQuery() : $base->getQuery();
            } else {
                if ($rel->getPath()[0] === '/') {
                    $targetPath = $rel->getPath();
                } else {
                    if ($targetAuthority != '' && $base->getPath() === '') {
                        $targetPath = '/' . $rel->getPath();
                    } else {
                        $lastSlashPos = strrpos($base->getPath(), '/');
                        if ($lastSlashPos === false) {
                            $targetPath = $rel->getPath();
                        } else {
                            $targetPath = substr($base->getPath(), 0, $lastSlashPos + 1) . $rel->getPath();
                        }
                    }
                }
                $targetPath = self::removeDotSegments($targetPath);
                $targetQuery = $rel->getQuery();
            }
        }

        return new Uri(Uri::composeComponents(
            $base->getScheme(),
            $targetAuthority,
            $targetPath,
            $targetQuery,
            $rel->getFragment()
        ));
    }

    /**
     * Returns the target URI as a relative reference from the base URI.
     *
     * This method is the counterpart to resolve():
     *
     *    (string) $target === (string) UriResolver::resolve($base, UriResolver::relativize($base, $target))
     *
     * One use-case is to use the current request URI as base URI and then generate relative links in your documents
     * to reduce the document size or offer self-contained downloadable document archives.
     *
     *    $base = new Uri('http://example.com/a/b/');
     *    echo UriResolver::relativize($base, new Uri('http://example.com/a/b/c'));  // prints 'c'.
     *    echo UriResolver::relativize($base, new Uri('http://example.com/a/x/y'));  // prints '../x/y'.
     *    echo UriResolver::relativize($base, new Uri('http://example.com/a/b/?q')); // prints '?q'.
     *    echo UriResolver::relativize($base, new Uri('http://example.org/a/b/'));   // prints '//example.org/a/b/'.
     *
     * This method also accepts a target that is already relative and will try to relativize it further. Only a
     * relative-path reference will be returned as-is.
     *
     *    echo UriResolver::relativize($base, new Uri('/a/b/c'));  // prints 'c' as well
     *
     * @param UriInterface $base   Base URI
     * @param UriInterface $target Target URI
     *
     * @return UriInterface The relative URI reference
     */
    public static function relativize(UriInterface $base, UriInterface $target)
    {
        if ($target->getScheme() !== '' &&
            ($base->getScheme() !== $target->getScheme() || $target->getAuthority() === '' && $base->getAuthority() !== '')
        ) {
            return $target;
        }

        if (Uri::isRelativePathReference($target)) {
            // As the target is already highly relative we return it as-is. It would be possible to resolve
            // the target with `$target = self::resolve($base, $target);` and then try make it more relative
            // by removing a duplicate query. But let's not do that automatically.
            return $target;
        }

        if ($target->getAuthority() !== '' && $base->getAuthority() !== $target->getAuthority()) {
            return $target->withScheme('');
        }

        // We must remove the path before removing the authority because if the path starts with two slashes, the URI
        // would turn invalid. And we also cannot set a relative path before removing the authority, as that is also
        // invalid.
        $emptyPathUri = $target->withScheme('')->withPath('')->withUserInfo('')->withPort(null)->withHost('');

        if ($base->getPath() !== $target->getPath()) {
            return $emptyPathUri->withPath(self::getRelativePath($base, $target));
        }

        if ($base->getQuery() === $target->getQuery()) {
            // Only the target fragment is left. And it must be returned even if base and target fragment are the same.
            return $emptyPathUri->withQuery('');
        }

        // If the base URI has a query but the target has none, we cannot return an empty path reference as it would
        // inherit the base query component when resolving.
        if ($target->getQuery() === '') {
            $segments = explode('/', $target->getPath());
            $lastSegment = end($segments);

            return $emptyPathUri->withPath($lastSegment === '' ? './' : $lastSegment);
        }

        return $emptyPathUri;
    }

    private static function getRelativePath(UriInterface $base, UriInterface $target)
    {
        $sourceSegments = explode('/', $base->getPath());
        $targetSegments = explode('/', $target->getPath());
        array_pop($sourceSegments);
        $targetLastSegment = array_pop($targetSegments);
        foreach ($sourceSegments as $i => $segment) {
            if (isset($targetSegments[$i]) && $segment === $targetSegments[$i]) {
                unset($sourceSegments[$i], $targetSegments[$i]);
            } else {
                break;
            }
        }
        $targetSegments[] = $targetLastSegment;
        $relativePath = str_repeat('../', count($sourceSegments)) . implode('/', $targetSegments);

        // A reference to am empty last segment or an empty first sub-segment must be prefixed with "./".
        // This also applies to a segment with a colon character (e.g., "file:colon") that cannot be used
        // as the first segment of a relative-path reference, as it would be mistaken for a scheme name.
        if ('' === $relativePath || false !== strpos(explode('/', $relativePath, 2)[0], ':')) {
            $relativePath = "./$relativePath";
        } elseif ('/' === $relativePath[0]) {
            if ($base->getAuthority() != '' && $base->getPath() === '') {
                // In this case an extra slash is added by resolve() automatically. So we must not add one here.
                $relativePath = ".$relativePath";
            } else {
                $relativePath = "./$relativePath";
            }
        }

        return $relativePath;
    }

    private function __construct()
    {
        // cannot be instantiated
    }
}
PK     ¤ˆU]þDië‹   ‹   ,  vendor/guzzlehttp/psr7/src/UriNormalizer.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\UriInterface;

/**
 * Provides methods to normalize and compare URIs.
 *
 * @author Tobias Schultze
 *
 * @link https://tools.ietf.org/html/rfc3986#section-6
 */
final class UriNormalizer
{
    /**
     * Default normalizations which only include the ones that preserve semantics.
     *
     * self::CAPITALIZE_PERCENT_ENCODING | self::DECODE_UNRESERVED_CHARACTERS | self::CONVERT_EMPTY_PATH |
     * self::REMOVE_DEFAULT_HOST | self::REMOVE_DEFAULT_PORT | self::REMOVE_DOT_SEGMENTS
     */
    const PRESERVING_NORMALIZATIONS = 63;

    /**
     * All letters within a percent-encoding triplet (e.g., "%3A") are case-insensitive, and should be capitalized.
     *
     * Example: http://example.org/a%c2%b1b â†’ http://example.org/a%C2%B1b
     */
    const CAPITALIZE_PERCENT_ENCODING = 1;

    /**
     * Decodes percent-encoded octets of unreserved characters.
     *
     * For consistency, percent-encoded octets in the ranges of ALPHA (%41â€“%5A and %61â€“%7A), DIGIT (%30â€“%39),
     * hyphen (%2D), period (%2E), underscore (%5F), or tilde (%7E) should not be created by URI producers and,
     * when found in a URI, should be decoded to their corresponding unreserved characters by URI normalizers.
     *
     * Example: http://example.org/%7Eusern%61me/ â†’ http://example.org/~username/
     */
    const DECODE_UNRESERVED_CHARACTERS = 2;

    /**
     * Converts the empty path to "/" for http and https URIs.
     *
     * Example: http://example.org â†’ http://example.org/
     */
    const CONVERT_EMPTY_PATH = 4;

    /**
     * Removes the default host of the given URI scheme from the URI.
     *
     * Only the "file" scheme defines the default host "localhost".
     * All of `file:/myfile`, `file:///myfile`, and `file://localhost/myfile`
     * are equivalent according to RFC 3986. The first format is not accepted
     * by PHPs stream functions and thus already normalized implicitly to the
     * second format in the Uri class. See `GuzzleHttp\Psr7\Uri::composeComponents`.
     *
     * Example: file://localhost/myfile â†’ file:///myfile
     */
    const REMOVE_DEFAULT_HOST = 8;

    /**
     * Removes the default port of the given URI scheme from the URI.
     *
     * Example: http://example.org:80/ â†’ http://example.org/
     */
    const REMOVE_DEFAULT_PORT = 16;

    /**
     * Removes unnecessary dot-segments.
     *
     * Dot-segments in relative-path references are not removed as it would
     * change the semantics of the URI reference.
     *
     * Example: http://example.org/../a/b/../c/./d.html â†’ http://example.org/a/c/d.html
     */
    const REMOVE_DOT_SEGMENTS = 32;

    /**
     * Paths which include two or more adjacent slashes are converted to one.
     *
     * Webservers usually ignore duplicate slashes and treat those URIs equivalent.
     * But in theory those URIs do not need to be equivalent. So this normalization
     * may change the semantics. Encoded slashes (%2F) are not removed.
     *
     * Example: http://example.org//foo///bar.html â†’ http://example.org/foo/bar.html
     */
    const REMOVE_DUPLICATE_SLASHES = 64;

    /**
     * Sort query parameters with their values in alphabetical order.
     *
     * However, the order of parameters in a URI may be significant (this is not defined by the standard).
     * So this normalization is not safe and may change the semantics of the URI.
     *
     * Example: ?lang=en&article=fred â†’ ?article=fred&lang=en
     *
     * Note: The sorting is neither locale nor Unicode aware (the URI query does not get decoded at all) as the
     * purpose is to be able to compare URIs in a reproducible way, not to have the params sorted perfectly.
     */
    const SORT_QUERY_PARAMETERS = 128;

    /**
     * Returns a normalized URI.
     *
     * The scheme and host component are already normalized to lowercase per PSR-7 UriInterface.
     * This methods adds additional normalizations that can be configured with the $flags parameter.
     *
     * PSR-7 UriInterface cannot distinguish between an empty component and a missing component as
     * getQuery(), getFragment() etc. always return a string. This means the URIs "/?#" and "/" are
     * treated equivalent which is not necessarily true according to RFC 3986. But that difference
     * is highly uncommon in reality. So this potential normalization is implied in PSR-7 as well.
     *
     * @param UriInterface $uri   The URI to normalize
     * @param int          $flags A bitmask of normalizations to apply, see constants
     *
     * @return UriInterface The normalized URI
     *
     * @link https://tools.ietf.org/html/rfc3986#section-6.2
     */
    public static function normalize(UriInterface $uri, $flags = self::PRESERVING_NORMALIZATIONS)
    {
        if ($flags & self::CAPITALIZE_PERCENT_ENCODING) {
            $uri = self::capitalizePercentEncoding($uri);
        }

        if ($flags & self::DECODE_UNRESERVED_CHARACTERS) {
            $uri = self::decodeUnreservedCharacters($uri);
        }

        if ($flags & self::CONVERT_EMPTY_PATH && $uri->getPath() === '' &&
            ($uri->getScheme() === 'http' || $uri->getScheme() === 'https')
        ) {
            $uri = $uri->withPath('/');
        }

        if ($flags & self::REMOVE_DEFAULT_HOST && $uri->getScheme() === 'file' && $uri->getHost() === 'localhost') {
            $uri = $uri->withHost('');
        }

        if ($flags & self::REMOVE_DEFAULT_PORT && $uri->getPort() !== null && Uri::isDefaultPort($uri)) {
            $uri = $uri->withPort(null);
        }

        if ($flags & self::REMOVE_DOT_SEGMENTS && !Uri::isRelativePathReference($uri)) {
            $uri = $uri->withPath(UriResolver::removeDotSegments($uri->getPath()));
        }

        if ($flags & self::REMOVE_DUPLICATE_SLASHES) {
            $uri = $uri->withPath(preg_replace('#//++#', '/', $uri->getPath()));
        }

        if ($flags & self::SORT_QUERY_PARAMETERS && $uri->getQuery() !== '') {
            $queryKeyValues = explode('&', $uri->getQuery());
            sort($queryKeyValues);
            $uri = $uri->withQuery(implode('&', $queryKeyValues));
        }

        return $uri;
    }

    /**
     * Whether two URIs can be considered equivalent.
     *
     * Both URIs are normalized automatically before comparison with the given $normalizations bitmask. The method also
     * accepts relative URI references and returns true when they are equivalent. This of course assumes they will be
     * resolved against the same base URI. If this is not the case, determination of equivalence or difference of
     * relative references does not mean anything.
     *
     * @param UriInterface $uri1           An URI to compare
     * @param UriInterface $uri2           An URI to compare
     * @param int          $normalizations A bitmask of normalizations to apply, see constants
     *
     * @return bool
     *
     * @link https://tools.ietf.org/html/rfc3986#section-6.1
     */
    public static function isEquivalent(UriInterface $uri1, UriInterface $uri2, $normalizations = self::PRESERVING_NORMALIZATIONS)
    {
        return (string) self::normalize($uri1, $normalizations) === (string) self::normalize($uri2, $normalizations);
    }

    private static function capitalizePercentEncoding(UriInterface $uri)
    {
        $regex = '/(?:%[A-Fa-f0-9]{2})++/';

        $callback = function (array $match) {
            return strtoupper($match[0]);
        };

        return
            $uri->withPath(
                preg_replace_callback($regex, $callback, $uri->getPath())
            )->withQuery(
                preg_replace_callback($regex, $callback, $uri->getQuery())
            );
    }

    private static function decodeUnreservedCharacters(UriInterface $uri)
    {
        $regex = '/%(?:2D|2E|5F|7E|3[0-9]|[46][1-9A-F]|[57][0-9A])/i';

        $callback = function (array $match) {
            return rawurldecode($match[0]);
        };

        return
            $uri->withPath(
                preg_replace_callback($regex, $callback, $uri->getPath())
            )->withQuery(
                preg_replace_callback($regex, $callback, $uri->getQuery())
            );
    }

    private function __construct()
    {
        // cannot be instantiated
    }
}
PK     ¤ˆU]†Ùdv  v  '  vendor/guzzlehttp/psr7/src/FnStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Compose stream implementations based on a hash of functions.
 *
 * Allows for easy testing and extension of a provided stream without needing
 * to create a concrete class for a simple extension point.
 *
 * @final
 */
class FnStream implements StreamInterface
{
    /** @var array */
    private $methods;

    /** @var array Methods that must be implemented in the given array */
    private static $slots = ['__toString', 'close', 'detach', 'rewind',
        'getSize', 'tell', 'eof', 'isSeekable', 'seek', 'isWritable', 'write',
        'isReadable', 'read', 'getContents', 'getMetadata'];

    /**
     * @param array $methods Hash of method name to a callable.
     */
    public function __construct(array $methods)
    {
        $this->methods = $methods;

        // Create the functions on the class
        foreach ($methods as $name => $fn) {
            $this->{'_fn_' . $name} = $fn;
        }
    }

    /**
     * Lazily determine which methods are not implemented.
     *
     * @throws \BadMethodCallException
     */
    public function __get($name)
    {
        throw new \BadMethodCallException(str_replace('_fn_', '', $name)
            . '() is not implemented in the FnStream');
    }

    /**
     * The close method is called on the underlying stream only if possible.
     */
    public function __destruct()
    {
        if (isset($this->_fn_close)) {
            call_user_func($this->_fn_close);
        }
    }

    /**
     * An unserialize would allow the __destruct to run when the unserialized value goes out of scope.
     *
     * @throws \LogicException
     */
    public function __wakeup()
    {
        throw new \LogicException('FnStream should never be unserialized');
    }

    /**
     * Adds custom functionality to an underlying stream by intercepting
     * specific method calls.
     *
     * @param StreamInterface $stream  Stream to decorate
     * @param array           $methods Hash of method name to a closure
     *
     * @return FnStream
     */
    public static function decorate(StreamInterface $stream, array $methods)
    {
        // If any of the required methods were not provided, then simply
        // proxy to the decorated stream.
        foreach (array_diff(self::$slots, array_keys($methods)) as $diff) {
            $methods[$diff] = [$stream, $diff];
        }

        return new self($methods);
    }

    public function __toString()
    {
        return call_user_func($this->_fn___toString);
    }

    public function close()
    {
        return call_user_func($this->_fn_close);
    }

    public function detach()
    {
        return call_user_func($this->_fn_detach);
    }

    public function getSize()
    {
        return call_user_func($this->_fn_getSize);
    }

    public function tell()
    {
        return call_user_func($this->_fn_tell);
    }

    public function eof()
    {
        return call_user_func($this->_fn_eof);
    }

    public function isSeekable()
    {
        return call_user_func($this->_fn_isSeekable);
    }

    public function rewind()
    {
        call_user_func($this->_fn_rewind);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        call_user_func($this->_fn_seek, $offset, $whence);
    }

    public function isWritable()
    {
        return call_user_func($this->_fn_isWritable);
    }

    public function write($string)
    {
        return call_user_func($this->_fn_write, $string);
    }

    public function isReadable()
    {
        return call_user_func($this->_fn_isReadable);
    }

    public function read($length)
    {
        return call_user_func($this->_fn_read, $length);
    }

    public function getContents()
    {
        return call_user_func($this->_fn_getContents);
    }

    public function getMetadata($key = null)
    {
        return call_user_func($this->_fn_getMetadata, $key);
    }
}
PK     ¤ˆU]ØÂßV[  [  +  vendor/guzzlehttp/psr7/src/UploadedFile.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UploadedFileInterface;
use RuntimeException;

class UploadedFile implements UploadedFileInterface
{
    /**
     * @var int[]
     */
    private static $errors = [
        UPLOAD_ERR_OK,
        UPLOAD_ERR_INI_SIZE,
        UPLOAD_ERR_FORM_SIZE,
        UPLOAD_ERR_PARTIAL,
        UPLOAD_ERR_NO_FILE,
        UPLOAD_ERR_NO_TMP_DIR,
        UPLOAD_ERR_CANT_WRITE,
        UPLOAD_ERR_EXTENSION,
    ];

    /**
     * @var string
     */
    private $clientFilename;

    /**
     * @var string
     */
    private $clientMediaType;

    /**
     * @var int
     */
    private $error;

    /**
     * @var string|null
     */
    private $file;

    /**
     * @var bool
     */
    private $moved = false;

    /**
     * @var int
     */
    private $size;

    /**
     * @var StreamInterface|null
     */
    private $stream;

    /**
     * @param StreamInterface|string|resource $streamOrFile
     * @param int                             $size
     * @param int                             $errorStatus
     * @param string|null                     $clientFilename
     * @param string|null                     $clientMediaType
     */
    public function __construct(
        $streamOrFile,
        $size,
        $errorStatus,
        $clientFilename = null,
        $clientMediaType = null
    ) {
        $this->setError($errorStatus);
        $this->setSize($size);
        $this->setClientFilename($clientFilename);
        $this->setClientMediaType($clientMediaType);

        if ($this->isOk()) {
            $this->setStreamOrFile($streamOrFile);
        }
    }

    /**
     * Depending on the value set file or stream variable
     *
     * @param mixed $streamOrFile
     *
     * @throws InvalidArgumentException
     */
    private function setStreamOrFile($streamOrFile)
    {
        if (is_string($streamOrFile)) {
            $this->file = $streamOrFile;
        } elseif (is_resource($streamOrFile)) {
            $this->stream = new Stream($streamOrFile);
        } elseif ($streamOrFile instanceof StreamInterface) {
            $this->stream = $streamOrFile;
        } else {
            throw new InvalidArgumentException(
                'Invalid stream or file provided for UploadedFile'
            );
        }
    }

    /**
     * @param int $error
     *
     * @throws InvalidArgumentException
     */
    private function setError($error)
    {
        if (false === is_int($error)) {
            throw new InvalidArgumentException(
                'Upload file error status must be an integer'
            );
        }

        if (false === in_array($error, UploadedFile::$errors)) {
            throw new InvalidArgumentException(
                'Invalid error status for UploadedFile'
            );
        }

        $this->error = $error;
    }

    /**
     * @param int $size
     *
     * @throws InvalidArgumentException
     */
    private function setSize($size)
    {
        if (false === is_int($size)) {
            throw new InvalidArgumentException(
                'Upload file size must be an integer'
            );
        }

        $this->size = $size;
    }

    /**
     * @param mixed $param
     *
     * @return bool
     */
    private function isStringOrNull($param)
    {
        return in_array(gettype($param), ['string', 'NULL']);
    }

    /**
     * @param mixed $param
     *
     * @return bool
     */
    private function isStringNotEmpty($param)
    {
        return is_string($param) && false === empty($param);
    }

    /**
     * @param string|null $clientFilename
     *
     * @throws InvalidArgumentException
     */
    private function setClientFilename($clientFilename)
    {
        if (false === $this->isStringOrNull($clientFilename)) {
            throw new InvalidArgumentException(
                'Upload file client filename must be a string or null'
            );
        }

        $this->clientFilename = $clientFilename;
    }

    /**
     * @param string|null $clientMediaType
     *
     * @throws InvalidArgumentException
     */
    private function setClientMediaType($clientMediaType)
    {
        if (false === $this->isStringOrNull($clientMediaType)) {
            throw new InvalidArgumentException(
                'Upload file client media type must be a string or null'
            );
        }

        $this->clientMediaType = $clientMediaType;
    }

    /**
     * Return true if there is no upload error
     *
     * @return bool
     */
    private function isOk()
    {
        return $this->error === UPLOAD_ERR_OK;
    }

    /**
     * @return bool
     */
    public function isMoved()
    {
        return $this->moved;
    }

    /**
     * @throws RuntimeException if is moved or not ok
     */
    private function validateActive()
    {
        if (false === $this->isOk()) {
            throw new RuntimeException('Cannot retrieve stream due to upload error');
        }

        if ($this->isMoved()) {
            throw new RuntimeException('Cannot retrieve stream after it has already been moved');
        }
    }

    /**
     * {@inheritdoc}
     *
     * @throws RuntimeException if the upload was not successful.
     */
    public function getStream()
    {
        $this->validateActive();

        if ($this->stream instanceof StreamInterface) {
            return $this->stream;
        }

        return new LazyOpenStream($this->file, 'r+');
    }

    /**
     * {@inheritdoc}
     *
     * @see http://php.net/is_uploaded_file
     * @see http://php.net/move_uploaded_file
     *
     * @param string $targetPath Path to which to move the uploaded file.
     *
     * @throws RuntimeException         if the upload was not successful.
     * @throws InvalidArgumentException if the $path specified is invalid.
     * @throws RuntimeException         on any error during the move operation, or on
     *                                  the second or subsequent call to the method.
     */
    public function moveTo($targetPath)
    {
        $this->validateActive();

        if (false === $this->isStringNotEmpty($targetPath)) {
            throw new InvalidArgumentException(
                'Invalid path provided for move operation; must be a non-empty string'
            );
        }

        if ($this->file) {
            $this->moved = php_sapi_name() == 'cli'
                ? rename($this->file, $targetPath)
                : move_uploaded_file($this->file, $targetPath);
        } else {
            Utils::copyToStream(
                $this->getStream(),
                new LazyOpenStream($targetPath, 'w')
            );

            $this->moved = true;
        }

        if (false === $this->moved) {
            throw new RuntimeException(
                sprintf('Uploaded file could not be moved to %s', $targetPath)
            );
        }
    }

    /**
     * {@inheritdoc}
     *
     * @return int|null The file size in bytes or null if unknown.
     */
    public function getSize()
    {
        return $this->size;
    }

    /**
     * {@inheritdoc}
     *
     * @see http://php.net/manual/en/features.file-upload.errors.php
     *
     * @return int One of PHP's UPLOAD_ERR_XXX constants.
     */
    public function getError()
    {
        return $this->error;
    }

    /**
     * {@inheritdoc}
     *
     * @return string|null The filename sent by the client or null if none
     *                     was provided.
     */
    public function getClientFilename()
    {
        return $this->clientFilename;
    }

    /**
     * {@inheritdoc}
     */
    public function getClientMediaType()
    {
        return $this->clientMediaType;
    }
}
PK     ¤ˆU]ƒ»ÐT   T   &  vendor/guzzlehttp/psr7/src/Message.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

final class Message
{
    /**
     * Returns the string representation of an HTTP message.
     *
     * @param MessageInterface $message Message to convert to a string.
     *
     * @return string
     */
    public static function toString(MessageInterface $message)
    {
        if ($message instanceof RequestInterface) {
            $msg = trim($message->getMethod() . ' '
                    . $message->getRequestTarget())
                . ' HTTP/' . $message->getProtocolVersion();
            if (!$message->hasHeader('host')) {
                $msg .= "\r\nHost: " . $message->getUri()->getHost();
            }
        } elseif ($message instanceof ResponseInterface) {
            $msg = 'HTTP/' . $message->getProtocolVersion() . ' '
                . $message->getStatusCode() . ' '
                . $message->getReasonPhrase();
        } else {
            throw new \InvalidArgumentException('Unknown message type');
        }

        foreach ($message->getHeaders() as $name => $values) {
            if (strtolower($name) === 'set-cookie') {
                foreach ($values as $value) {
                    $msg .= "\r\n{$name}: " . $value;
                }
            } else {
                $msg .= "\r\n{$name}: " . implode(', ', $values);
            }
        }

        return "{$msg}\r\n\r\n" . $message->getBody();
    }

    /**
     * Get a short summary of the message body.
     *
     * Will return `null` if the response is not printable.
     *
     * @param MessageInterface $message    The message to get the body summary
     * @param int              $truncateAt The maximum allowed size of the summary
     *
     * @return string|null
     */
    public static function bodySummary(MessageInterface $message, $truncateAt = 120)
    {
        $body = $message->getBody();

        if (!$body->isSeekable() || !$body->isReadable()) {
            return null;
        }

        $size = $body->getSize();

        if ($size === 0) {
            return null;
        }

        $summary = $body->read($truncateAt);
        $body->rewind();

        if ($size > $truncateAt) {
            $summary .= ' (truncated...)';
        }

        // Matches any printable character, including unicode characters:
        // letters, marks, numbers, punctuation, spacing, and separators.
        if (preg_match('/[^\pL\pM\pN\pP\pS\pZ\n\r\t]/u', $summary)) {
            return null;
        }

        return $summary;
    }

    /**
     * Attempts to rewind a message body and throws an exception on failure.
     *
     * The body of the message will only be rewound if a call to `tell()`
     * returns a value other than `0`.
     *
     * @param MessageInterface $message Message to rewind
     *
     * @throws \RuntimeException
     */
    public static function rewindBody(MessageInterface $message)
    {
        $body = $message->getBody();

        if ($body->tell()) {
            $body->rewind();
        }
    }

    /**
     * Parses an HTTP message into an associative array.
     *
     * The array contains the "start-line" key containing the start line of
     * the message, "headers" key containing an associative array of header
     * array values, and a "body" key containing the body of the message.
     *
     * @param string $message HTTP request or response to parse.
     *
     * @return array
     */
    public static function parseMessage($message)
    {
        if (!$message) {
            throw new \InvalidArgumentException('Invalid message');
        }

        $message = ltrim($message, "\r\n");

        $messageParts = preg_split("/\r?\n\r?\n/", $message, 2);

        if ($messageParts === false || count($messageParts) !== 2) {
            throw new \InvalidArgumentException('Invalid message: Missing header delimiter');
        }

        list($rawHeaders, $body) = $messageParts;
        $rawHeaders .= "\r\n"; // Put back the delimiter we split previously
        $headerParts = preg_split("/\r?\n/", $rawHeaders, 2);

        if ($headerParts === false || count($headerParts) !== 2) {
            throw new \InvalidArgumentException('Invalid message: Missing status line');
        }

        list($startLine, $rawHeaders) = $headerParts;

        if (preg_match("/(?:^HTTP\/|^[A-Z]+ \S+ HTTP\/)(\d+(?:\.\d+)?)/i", $startLine, $matches) && $matches[1] === '1.0') {
            // Header folding is deprecated for HTTP/1.1, but allowed in HTTP/1.0
            $rawHeaders = preg_replace(Rfc7230::HEADER_FOLD_REGEX, ' ', $rawHeaders);
        }

        /** @var array[] $headerLines */
        $count = preg_match_all(Rfc7230::HEADER_REGEX, $rawHeaders, $headerLines, PREG_SET_ORDER);

        // If these aren't the same, then one line didn't match and there's an invalid header.
        if ($count !== substr_count($rawHeaders, "\n")) {
            // Folding is deprecated, see https://tools.ietf.org/html/rfc7230#section-3.2.4
            if (preg_match(Rfc7230::HEADER_FOLD_REGEX, $rawHeaders)) {
                throw new \InvalidArgumentException('Invalid header syntax: Obsolete line folding');
            }

            throw new \InvalidArgumentException('Invalid header syntax');
        }

        $headers = [];

        foreach ($headerLines as $headerLine) {
            $headers[$headerLine[1]][] = $headerLine[2];
        }

        return [
            'start-line' => $startLine,
            'headers' => $headers,
            'body' => $body,
        ];
    }

    /**
     * Constructs a URI for an HTTP request message.
     *
     * @param string $path    Path from the start-line
     * @param array  $headers Array of headers (each value an array).
     *
     * @return string
     */
    public static function parseRequestUri($path, array $headers)
    {
        $hostKey = array_filter(array_keys($headers), function ($k) {
            return strtolower($k) === 'host';
        });

        // If no host is found, then a full URI cannot be constructed.
        if (!$hostKey) {
            return $path;
        }

        $host = $headers[reset($hostKey)][0];
        $scheme = substr($host, -4) === ':443' ? 'https' : 'http';

        return $scheme . '://' . $host . '/' . ltrim($path, '/');
    }

    /**
     * Parses a request message string into a request object.
     *
     * @param string $message Request message string.
     *
     * @return Request
     */
    public static function parseRequest($message)
    {
        $data = self::parseMessage($message);
        $matches = [];
        if (!preg_match('/^[\S]+\s+([a-zA-Z]+:\/\/|\/).*/', $data['start-line'], $matches)) {
            throw new \InvalidArgumentException('Invalid request string');
        }
        $parts = explode(' ', $data['start-line'], 3);
        $version = isset($parts[2]) ? explode('/', $parts[2])[1] : '1.1';

        $request = new Request(
            $parts[0],
            $matches[1] === '/' ? self::parseRequestUri($parts[1], $data['headers']) : $parts[1],
            $data['headers'],
            $data['body'],
            $version
        );

        return $matches[1] === '/' ? $request : $request->withRequestTarget($parts[1]);
    }

    /**
     * Parses a response message string into a response object.
     *
     * @param string $message Response message string.
     *
     * @return Response
     */
    public static function parseResponse($message)
    {
        $data = self::parseMessage($message);
        // According to https://tools.ietf.org/html/rfc7230#section-3.1.2 the space
        // between status-code and reason-phrase is required. But browsers accept
        // responses without space and reason as well.
        if (!preg_match('/^HTTP\/.* [0-9]{3}( .*|$)/', $data['start-line'])) {
            throw new \InvalidArgumentException('Invalid response string: ' . $data['start-line']);
        }
        $parts = explode(' ', $data['start-line'], 3);

        return new Response(
            (int) $parts[1],
            $data['headers'],
            $data['body'],
            explode('/', $parts[0])[1],
            isset($parts[2]) ? $parts[2] : null
        );
    }
}
PK     ¤ˆU]ÆoDIÛ  Û  3  vendor/guzzlehttp/psr7/src/StreamDecoratorTrait.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator trait
 *
 * @property StreamInterface stream
 */
trait StreamDecoratorTrait
{
    /**
     * @param StreamInterface $stream Stream to decorate
     */
    public function __construct(StreamInterface $stream)
    {
        $this->stream = $stream;
    }

    /**
     * Magic method used to create a new stream if streams are not added in
     * the constructor of a decorator (e.g., LazyOpenStream).
     *
     * @param string $name Name of the property (allows "stream" only).
     *
     * @return StreamInterface
     */
    public function __get($name)
    {
        if ($name == 'stream') {
            $this->stream = $this->createStream();
            return $this->stream;
        }

        throw new \UnexpectedValueException("$name not found on class");
    }

    public function __toString()
    {
        try {
            if ($this->isSeekable()) {
                $this->seek(0);
            }
            return $this->getContents();
        } catch (\Exception $e) {
            // Really, PHP? https://bugs.php.net/bug.php?id=53648
            trigger_error('StreamDecorator::__toString exception: '
                . (string) $e, E_USER_ERROR);
            return '';
        }
    }

    public function getContents()
    {
        return Utils::copyToString($this);
    }

    /**
     * Allow decorators to implement custom methods
     *
     * @param string $method Missing method name
     * @param array  $args   Method arguments
     *
     * @return mixed
     */
    public function __call($method, array $args)
    {
        $result = call_user_func_array([$this->stream, $method], $args);

        // Always return the wrapped object if the result is a return $this
        return $result === $this->stream ? $this : $result;
    }

    public function close()
    {
        $this->stream->close();
    }

    public function getMetadata($key = null)
    {
        return $this->stream->getMetadata($key);
    }

    public function detach()
    {
        return $this->stream->detach();
    }

    public function getSize()
    {
        return $this->stream->getSize();
    }

    public function eof()
    {
        return $this->stream->eof();
    }

    public function tell()
    {
        return $this->stream->tell();
    }

    public function isReadable()
    {
        return $this->stream->isReadable();
    }

    public function isWritable()
    {
        return $this->stream->isWritable();
    }

    public function isSeekable()
    {
        return $this->stream->isSeekable();
    }

    public function rewind()
    {
        $this->seek(0);
    }

    public function seek($offset, $whence = SEEK_SET)
    {
        $this->stream->seek($offset, $whence);
    }

    public function read($length)
    {
        return $this->stream->read($length);
    }

    public function write($string)
    {
        return $this->stream->write($string);
    }

    /**
     * Implement in subclasses to dynamically create streams when requested.
     *
     * @return StreamInterface
     *
     * @throws \BadMethodCallException
     */
    protected function createStream()
    {
        throw new \BadMethodCallException('Not implemented');
    }
}
PK     ¤ˆU]’†[‘Ã  Ã  ,  vendor/guzzlehttp/psr7/src/StreamWrapper.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Converts Guzzle streams into PHP stream resources.
 *
 * @final
 */
class StreamWrapper
{
    /** @var resource */
    public $context;

    /** @var StreamInterface */
    private $stream;

    /** @var string r, r+, or w */
    private $mode;

    /**
     * Returns a resource representing the stream.
     *
     * @param StreamInterface $stream The stream to get a resource for
     *
     * @return resource
     *
     * @throws \InvalidArgumentException if stream is not readable or writable
     */
    public static function getResource(StreamInterface $stream)
    {
        self::register();

        if ($stream->isReadable()) {
            $mode = $stream->isWritable() ? 'r+' : 'r';
        } elseif ($stream->isWritable()) {
            $mode = 'w';
        } else {
            throw new \InvalidArgumentException('The stream must be readable, '
                . 'writable, or both.');
        }

        return fopen('guzzle://stream', $mode, null, self::createStreamContext($stream));
    }

    /**
     * Creates a stream context that can be used to open a stream as a php stream resource.
     *
     * @param StreamInterface $stream
     *
     * @return resource
     */
    public static function createStreamContext(StreamInterface $stream)
    {
        return stream_context_create([
            'guzzle' => ['stream' => $stream]
        ]);
    }

    /**
     * Registers the stream wrapper if needed
     */
    public static function register()
    {
        if (!in_array('guzzle', stream_get_wrappers())) {
            stream_wrapper_register('guzzle', __CLASS__);
        }
    }

    public function stream_open($path, $mode, $options, &$opened_path)
    {
        $options = stream_context_get_options($this->context);

        if (!isset($options['guzzle']['stream'])) {
            return false;
        }

        $this->mode = $mode;
        $this->stream = $options['guzzle']['stream'];

        return true;
    }

    public function stream_read($count)
    {
        return $this->stream->read($count);
    }

    public function stream_write($data)
    {
        return (int) $this->stream->write($data);
    }

    public function stream_tell()
    {
        return $this->stream->tell();
    }

    public function stream_eof()
    {
        return $this->stream->eof();
    }

    public function stream_seek($offset, $whence)
    {
        $this->stream->seek($offset, $whence);

        return true;
    }

    public function stream_cast($cast_as)
    {
        $stream = clone($this->stream);

        return $stream->detach();
    }

    public function stream_stat()
    {
        static $modeMap = [
            'r'  => 33060,
            'rb' => 33060,
            'r+' => 33206,
            'w'  => 33188,
            'wb' => 33188
        ];

        return [
            'dev'     => 0,
            'ino'     => 0,
            'mode'    => $modeMap[$this->mode],
            'nlink'   => 0,
            'uid'     => 0,
            'gid'     => 0,
            'rdev'    => 0,
            'size'    => $this->stream->getSize() ?: 0,
            'atime'   => 0,
            'mtime'   => 0,
            'ctime'   => 0,
            'blksize' => 0,
            'blocks'  => 0
        ];
    }

    public function url_stat($path, $flags)
    {
        return [
            'dev'     => 0,
            'ino'     => 0,
            'mode'    => 0,
            'nlink'   => 0,
            'uid'     => 0,
            'gid'     => 0,
            'rdev'    => 0,
            'size'    => 0,
            'atime'   => 0,
            'mtime'   => 0,
            'ctime'   => 0,
            'blksize' => 0,
            'blocks'  => 0
        ];
    }
}
PK     ¤ˆU]îà+`³  ³  &  vendor/guzzlehttp/psr7/src/Rfc7230.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

final class Rfc7230
{
    /**
     * Header related regular expressions (copied from amphp/http package)
     * (Note: once we require PHP 7.x we could just depend on the upstream package)
     *
     * Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons.
     *
     * @link    https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15
     *
     * @license https://github.com/amphp/http/blob/v1.0.1/LICENSE
     */
    const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\]?={}\x01-\x20\x7F]++):[ \t]*+((?:[ \t]*+[\x21-\x7E\x80-\xFF]++)*+)[ \t]*+\r?\n)m";
    const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)";
}
PK     ¤ˆU]ÆŸüóF  F  -  vendor/guzzlehttp/psr7/src/DroppingStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator that begins dropping data once the size of the underlying
 * stream becomes too full.
 *
 * @final
 */
class DroppingStream implements StreamInterface
{
    use StreamDecoratorTrait;

    private $maxLength;

    /**
     * @param StreamInterface $stream    Underlying stream to decorate.
     * @param int             $maxLength Maximum size before dropping data.
     */
    public function __construct(StreamInterface $stream, $maxLength)
    {
        $this->stream = $stream;
        $this->maxLength = $maxLength;
    }

    public function write($string)
    {
        $diff = $this->maxLength - $this->stream->getSize();

        // Begin returning 0 when the underlying stream is too large.
        if ($diff <= 0) {
            return 0;
        }

        // Write the stream or a subset of the stream if needed.
        if (strlen($string) < $diff) {
            return $this->stream->write($string);
        }

        return $this->stream->write(substr($string, 0, $diff));
    }
}
PK     ¤ˆU]‡9¯0‡  ‡  &  vendor/guzzlehttp/psr7/src/Request.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\StreamInterface;
use Psr\Http\Message\UriInterface;

/**
 * PSR-7 request implementation.
 */
class Request implements RequestInterface
{
    use MessageTrait;

    /** @var string */
    private $method;

    /** @var string|null */
    private $requestTarget;

    /** @var UriInterface */
    private $uri;

    /**
     * @param string                               $method  HTTP method
     * @param string|UriInterface                  $uri     URI
     * @param array                                $headers Request headers
     * @param string|resource|StreamInterface|null $body    Request body
     * @param string                               $version Protocol version
     */
    public function __construct(
        $method,
        $uri,
        array $headers = [],
        $body = null,
        $version = '1.1'
    ) {
        $this->assertMethod($method);
        if (!($uri instanceof UriInterface)) {
            $uri = new Uri($uri);
        }

        $this->method = strtoupper($method);
        $this->uri = $uri;
        $this->setHeaders($headers);
        $this->protocol = $version;

        if (!isset($this->headerNames['host'])) {
            $this->updateHostFromUri();
        }

        if ($body !== '' && $body !== null) {
            $this->stream = Utils::streamFor($body);
        }
    }

    public function getRequestTarget()
    {
        if ($this->requestTarget !== null) {
            return $this->requestTarget;
        }

        $target = $this->uri->getPath();
        if ($target == '') {
            $target = '/';
        }
        if ($this->uri->getQuery() != '') {
            $target .= '?' . $this->uri->getQuery();
        }

        return $target;
    }

    public function withRequestTarget($requestTarget)
    {
        if (preg_match('#\s#', $requestTarget)) {
            throw new InvalidArgumentException(
                'Invalid request target provided; cannot contain whitespace'
            );
        }

        $new = clone $this;
        $new->requestTarget = $requestTarget;
        return $new;
    }

    public function getMethod()
    {
        return $this->method;
    }

    public function withMethod($method)
    {
        $this->assertMethod($method);
        $new = clone $this;
        $new->method = strtoupper($method);
        return $new;
    }

    public function getUri()
    {
        return $this->uri;
    }

    public function withUri(UriInterface $uri, $preserveHost = false)
    {
        if ($uri === $this->uri) {
            return $this;
        }

        $new = clone $this;
        $new->uri = $uri;

        if (!$preserveHost || !isset($this->headerNames['host'])) {
            $new->updateHostFromUri();
        }

        return $new;
    }

    private function updateHostFromUri()
    {
        $host = $this->uri->getHost();

        if ($host == '') {
            return;
        }

        if (($port = $this->uri->getPort()) !== null) {
            $host .= ':' . $port;
        }

        if (isset($this->headerNames['host'])) {
            $header = $this->headerNames['host'];
        } else {
            $header = 'Host';
            $this->headerNames['host'] = 'Host';
        }
        // Ensure Host is the first header.
        // See: http://tools.ietf.org/html/rfc7230#section-5.4
        $this->headers = [$header => [$host]] + $this->headers;
    }

    private function assertMethod($method)
    {
        if (!is_string($method) || $method === '') {
            throw new \InvalidArgumentException('Method must be a non-empty string.');
        }
    }
}
PK     ¤ˆU]å¼ˆ  ˆ  +  vendor/guzzlehttp/psr7/src/AppendStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Reads from multiple streams, one after the other.
 *
 * This is a read-only stream decorator.
 *
 * @final
 */
class AppendStream implements StreamInterface
{
    /** @var StreamInterface[] Streams being decorated */
    private $streams = [];

    private $seekable = true;
    private $current = 0;
    private $pos = 0;

    /**
     * @param StreamInterface[] $streams Streams to decorate. Each stream must
     *                                   be readable.
     */
    public function __construct(array $streams = [])
    {
        foreach ($streams as $stream) {
            $this->addStream($stream);
        }
    }

    public function __toString()
    {
        try {
            $this->rewind();
            return $this->getContents();
        } catch (\Exception $e) {
            return '';
        }
    }

    /**
     * Add a stream to the AppendStream
     *
     * @param StreamInterface $stream Stream to append. Must be readable.
     *
     * @throws \InvalidArgumentException if the stream is not readable
     */
    public function addStream(StreamInterface $stream)
    {
        if (!$stream->isReadable()) {
            throw new \InvalidArgumentException('Each stream must be readable');
        }

        // The stream is only seekable if all streams are seekable
        if (!$stream->isSeekable()) {
            $this->seekable = false;
        }

        $this->streams[] = $stream;
    }

    public function getContents()
    {
        return Utils::copyToString($this);
    }

    /**
     * Closes each attached stream.
     *
     * {@inheritdoc}
     */
    public function close()
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

        foreach ($this->streams as $stream) {
            $stream->close();
        }

        $this->streams = [];
    }

    /**
     * Detaches each attached stream.
     *
     * Returns null as it's not clear which underlying stream resource to return.
     *
     * {@inheritdoc}
     */
    public function detach()
    {
        $this->pos = $this->current = 0;
        $this->seekable = true;

        foreach ($this->streams as $stream) {
            $stream->detach();
        }

        $this->streams = [];

        return null;
    }

    public function tell()
    {
        return $this->pos;
    }

    /**
     * Tries to calculate the size by adding the size of each stream.
     *
     * If any of the streams do not return a valid number, then the size of the
     * append stream cannot be determined and null is returned.
     *
     * {@inheritdoc}
     */
    public function getSize()
    {
        $size = 0;

        foreach ($this->streams as $stream) {
            $s = $stream->getSize();
            if ($s === null) {
                return null;
            }
            $size += $s;
        }

        return $size;
    }

    public function eof()
    {
        return !$this->streams ||
            ($this->current >= count($this->streams) - 1 &&
             $this->streams[$this->current]->eof());
    }

    public function rewind()
    {
        $this->seek(0);
    }

    /**
     * Attempts to seek to the given position. Only supports SEEK_SET.
     *
     * {@inheritdoc}
     */
    public function seek($offset, $whence = SEEK_SET)
    {
        if (!$this->seekable) {
            throw new \RuntimeException('This AppendStream is not seekable');
        } elseif ($whence !== SEEK_SET) {
            throw new \RuntimeException('The AppendStream can only seek with SEEK_SET');
        }

        $this->pos = $this->current = 0;

        // Rewind each stream
        foreach ($this->streams as $i => $stream) {
            try {
                $stream->rewind();
            } catch (\Exception $e) {
                throw new \RuntimeException('Unable to seek stream '
                    . $i . ' of the AppendStream', 0, $e);
            }
        }

        // Seek to the actual position by reading from each stream
        while ($this->pos < $offset && !$this->eof()) {
            $result = $this->read(min(8096, $offset - $this->pos));
            if ($result === '') {
                break;
            }
        }
    }

    /**
     * Reads from all of the appended streams until the length is met or EOF.
     *
     * {@inheritdoc}
     */
    public function read($length)
    {
        $buffer = '';
        $total = count($this->streams) - 1;
        $remaining = $length;
        $progressToNext = false;

        while ($remaining > 0) {

            // Progress to the next stream if needed.
            if ($progressToNext || $this->streams[$this->current]->eof()) {
                $progressToNext = false;
                if ($this->current === $total) {
                    break;
                }
                $this->current++;
            }

            $result = $this->streams[$this->current]->read($remaining);

            // Using a loose comparison here to match on '', false, and null
            if ($result == null) {
                $progressToNext = true;
                continue;
            }

            $buffer .= $result;
            $remaining = $length - strlen($buffer);
        }

        $this->pos += strlen($buffer);

        return $buffer;
    }

    public function isReadable()
    {
        return true;
    }

    public function isWritable()
    {
        return false;
    }

    public function isSeekable()
    {
        return $this->seekable;
    }

    public function write($string)
    {
        throw new \RuntimeException('Cannot write to an AppendStream');
    }

    public function getMetadata($key = null)
    {
        return $key ? null : [];
    }
}
PK     ¥ˆU]®¨Y·  ·  +  vendor/guzzlehttp/psr7/src/NoSeekStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Stream decorator that prevents a stream from being seeked.
 *
 * @final
 */
class NoSeekStream implements StreamInterface
{
    use StreamDecoratorTrait;

    public function seek($offset, $whence = SEEK_SET)
    {
        throw new \RuntimeException('Cannot seek a NoSeekStream');
    }

    public function isSeekable()
    {
        return false;
    }
}
PK     ¥ˆU]ÌçÈú‚  ‚  %  vendor/guzzlehttp/psr7/src/Header.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

final class Header
{
    /**
     * Parse an array of header values containing ";" separated data into an
     * array of associative arrays representing the header key value pair data
     * of the header. When a parameter does not contain a value, but just
     * contains a key, this function will inject a key with a '' string value.
     *
     * @param string|array $header Header to parse into components.
     *
     * @return array Returns the parsed header values.
     */
    public static function parse($header)
    {
        static $trimmed = "\"'  \n\t\r";
        $params = $matches = [];

        foreach (self::normalize($header) as $val) {
            $part = [];
            foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) {
                if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
                    $m = $matches[0];
                    if (isset($m[1])) {
                        $part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
                    } else {
                        $part[] = trim($m[0], $trimmed);
                    }
                }
            }
            if ($part) {
                $params[] = $part;
            }
        }

        return $params;
    }

    /**
     * Converts an array of header values that may contain comma separated
     * headers into an array of headers with no comma separated values.
     *
     * @param string|array $header Header to normalize.
     *
     * @return array Returns the normalized header field values.
     */
    public static function normalize($header)
    {
        if (!is_array($header)) {
            return array_map('trim', explode(',', $header));
        }

        $result = [];
        foreach ($header as $value) {
            foreach ((array) $value as $v) {
                if (strpos($v, ',') === false) {
                    $result[] = $v;
                    continue;
                }
                foreach (preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $v) as $vv) {
                    $result[] = trim($vv);
                }
            }
        }

        return $result;
    }
}
PK     ¥ˆU]Žºì•rY  rY  "  vendor/guzzlehttp/psr7/src/Uri.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\UriInterface;

/**
 * PSR-7 URI implementation.
 *
 * @author Michael Dowling
 * @author Tobias Schultze
 * @author Matthew Weier O'Phinney
 */
class Uri implements UriInterface
{
    /**
     * Absolute http and https URIs require a host per RFC 7230 Section 2.7
     * but in generic URIs the host can be empty. So for http(s) URIs
     * we apply this default host when no host is given yet to form a
     * valid URI.
     */
    const HTTP_DEFAULT_HOST = 'localhost';

    private static $defaultPorts = [
        'http'  => 80,
        'https' => 443,
        'ftp' => 21,
        'gopher' => 70,
        'nntp' => 119,
        'news' => 119,
        'telnet' => 23,
        'tn3270' => 23,
        'imap' => 143,
        'pop' => 110,
        'ldap' => 389,
    ];

    private static $charUnreserved = 'a-zA-Z0-9_\-\.~';
    private static $charSubDelims = '!\$&\'\(\)\*\+,;=';
    private static $replaceQuery = ['=' => '%3D', '&' => '%26'];

    /** @var string Uri scheme. */
    private $scheme = '';

    /** @var string Uri user info. */
    private $userInfo = '';

    /** @var string Uri host. */
    private $host = '';

    /** @var int|null Uri port. */
    private $port;

    /** @var string Uri path. */
    private $path = '';

    /** @var string Uri query string. */
    private $query = '';

    /** @var string Uri fragment. */
    private $fragment = '';

    /**
     * @param string $uri URI to parse
     */
    public function __construct($uri = '')
    {
        // weak type check to also accept null until we can add scalar type hints
        if ($uri != '') {
            $parts = self::parse($uri);
            if ($parts === false) {
                throw new \InvalidArgumentException("Unable to parse URI: $uri");
            }
            $this->applyParts($parts);
        }
    }

    /**
     * UTF-8 aware \parse_url() replacement.
     *
     * The internal function produces broken output for non ASCII domain names
     * (IDN) when used with locales other than "C".
     *
     * On the other hand, cURL understands IDN correctly only when UTF-8 locale
     * is configured ("C.UTF-8", "en_US.UTF-8", etc.).
     *
     * @see https://bugs.php.net/bug.php?id=52923
     * @see https://www.php.net/manual/en/function.parse-url.php#114817
     * @see https://curl.haxx.se/libcurl/c/CURLOPT_URL.html#ENCODING
     *
     * @param string $url
     *
     * @return array|false
     */
    private static function parse($url)
    {
        // If IPv6
        $prefix = '';
        if (preg_match('%^(.*://\[[0-9:a-f]+\])(.*?)$%', $url, $matches)) {
            $prefix = $matches[1];
            $url = $matches[2];
        }

        $encodedUrl = preg_replace_callback(
            '%[^:/@?&=#]+%usD',
            static function ($matches) {
                return urlencode($matches[0]);
            },
            $url
        );

        $result = parse_url($prefix . $encodedUrl);

        if ($result === false) {
            return false;
        }

        return array_map('urldecode', $result);
    }

    public function __toString()
    {
        return self::composeComponents(
            $this->scheme,
            $this->getAuthority(),
            $this->path,
            $this->query,
            $this->fragment
        );
    }

    /**
     * Composes a URI reference string from its various components.
     *
     * Usually this method does not need to be called manually but instead is used indirectly via
     * `Psr\Http\Message\UriInterface::__toString`.
     *
     * PSR-7 UriInterface treats an empty component the same as a missing component as
     * getQuery(), getFragment() etc. always return a string. This explains the slight
     * difference to RFC 3986 Section 5.3.
     *
     * Another adjustment is that the authority separator is added even when the authority is missing/empty
     * for the "file" scheme. This is because PHP stream functions like `file_get_contents` only work with
     * `file:///myfile` but not with `file:/myfile` although they are equivalent according to RFC 3986. But
     * `file:///` is the more common syntax for the file scheme anyway (Chrome for example redirects to
     * that format).
     *
     * @param string $scheme
     * @param string $authority
     * @param string $path
     * @param string $query
     * @param string $fragment
     *
     * @return string
     *
     * @link https://tools.ietf.org/html/rfc3986#section-5.3
     */
    public static function composeComponents($scheme, $authority, $path, $query, $fragment)
    {
        $uri = '';

        // weak type checks to also accept null until we can add scalar type hints
        if ($scheme != '') {
            $uri .= $scheme . ':';
        }

        if ($authority != ''|| $scheme === 'file') {
            $uri .= '//' . $authority;
        }

        $uri .= $path;

        if ($query != '') {
            $uri .= '?' . $query;
        }

        if ($fragment != '') {
            $uri .= '#' . $fragment;
        }

        return $uri;
    }

    /**
     * Whether the URI has the default port of the current scheme.
     *
     * `Psr\Http\Message\UriInterface::getPort` may return null or the standard port. This method can be used
     * independently of the implementation.
     *
     * @param UriInterface $uri
     *
     * @return bool
     */
    public static function isDefaultPort(UriInterface $uri)
    {
        return $uri->getPort() === null
            || (isset(self::$defaultPorts[$uri->getScheme()]) && $uri->getPort() === self::$defaultPorts[$uri->getScheme()]);
    }

    /**
     * Whether the URI is absolute, i.e. it has a scheme.
     *
     * An instance of UriInterface can either be an absolute URI or a relative reference. This method returns true
     * if it is the former. An absolute URI has a scheme. A relative reference is used to express a URI relative
     * to another URI, the base URI. Relative references can be divided into several forms:
     * - network-path references, e.g. '//example.com/path'
     * - absolute-path references, e.g. '/path'
     * - relative-path references, e.g. 'subpath'
     *
     * @param UriInterface $uri
     *
     * @return bool
     *
     * @see Uri::isNetworkPathReference
     * @see Uri::isAbsolutePathReference
     * @see Uri::isRelativePathReference
     * @link https://tools.ietf.org/html/rfc3986#section-4
     */
    public static function isAbsolute(UriInterface $uri)
    {
        return $uri->getScheme() !== '';
    }

    /**
     * Whether the URI is a network-path reference.
     *
     * A relative reference that begins with two slash characters is termed an network-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     *
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isNetworkPathReference(UriInterface $uri)
    {
        return $uri->getScheme() === '' && $uri->getAuthority() !== '';
    }

    /**
     * Whether the URI is a absolute-path reference.
     *
     * A relative reference that begins with a single slash character is termed an absolute-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     *
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isAbsolutePathReference(UriInterface $uri)
    {
        return $uri->getScheme() === ''
            && $uri->getAuthority() === ''
            && isset($uri->getPath()[0])
            && $uri->getPath()[0] === '/';
    }

    /**
     * Whether the URI is a relative-path reference.
     *
     * A relative reference that does not begin with a slash character is termed a relative-path reference.
     *
     * @param UriInterface $uri
     *
     * @return bool
     *
     * @link https://tools.ietf.org/html/rfc3986#section-4.2
     */
    public static function isRelativePathReference(UriInterface $uri)
    {
        return $uri->getScheme() === ''
            && $uri->getAuthority() === ''
            && (!isset($uri->getPath()[0]) || $uri->getPath()[0] !== '/');
    }

    /**
     * Whether the URI is a same-document reference.
     *
     * A same-document reference refers to a URI that is, aside from its fragment
     * component, identical to the base URI. When no base URI is given, only an empty
     * URI reference (apart from its fragment) is considered a same-document reference.
     *
     * @param UriInterface      $uri  The URI to check
     * @param UriInterface|null $base An optional base URI to compare against
     *
     * @return bool
     *
     * @link https://tools.ietf.org/html/rfc3986#section-4.4
     */
    public static function isSameDocumentReference(UriInterface $uri, UriInterface $base = null)
    {
        if ($base !== null) {
            $uri = UriResolver::resolve($base, $uri);

            return ($uri->getScheme() === $base->getScheme())
                && ($uri->getAuthority() === $base->getAuthority())
                && ($uri->getPath() === $base->getPath())
                && ($uri->getQuery() === $base->getQuery());
        }

        return $uri->getScheme() === '' && $uri->getAuthority() === '' && $uri->getPath() === '' && $uri->getQuery() === '';
    }

    /**
     * Removes dot segments from a path and returns the new path.
     *
     * @param string $path
     *
     * @return string
     *
     * @deprecated since version 1.4. Use UriResolver::removeDotSegments instead.
     * @see UriResolver::removeDotSegments
     */
    public static function removeDotSegments($path)
    {
        return UriResolver::removeDotSegments($path);
    }

    /**
     * Converts the relative URI into a new URI that is resolved against the base URI.
     *
     * @param UriInterface        $base Base URI
     * @param string|UriInterface $rel  Relative URI
     *
     * @return UriInterface
     *
     * @deprecated since version 1.4. Use UriResolver::resolve instead.
     * @see UriResolver::resolve
     */
    public static function resolve(UriInterface $base, $rel)
    {
        if (!($rel instanceof UriInterface)) {
            $rel = new self($rel);
        }

        return UriResolver::resolve($base, $rel);
    }

    /**
     * Creates a new URI with a specific query string value removed.
     *
     * Any existing query string values that exactly match the provided key are
     * removed.
     *
     * @param UriInterface $uri URI to use as a base.
     * @param string       $key Query string key to remove.
     *
     * @return UriInterface
     */
    public static function withoutQueryValue(UriInterface $uri, $key)
    {
        $result = self::getFilteredQueryString($uri, [$key]);

        return $uri->withQuery(implode('&', $result));
    }

    /**
     * Creates a new URI with a specific query string value.
     *
     * Any existing query string values that exactly match the provided key are
     * removed and replaced with the given key value pair.
     *
     * A value of null will set the query string key without a value, e.g. "key"
     * instead of "key=value".
     *
     * @param UriInterface $uri   URI to use as a base.
     * @param string       $key   Key to set.
     * @param string|null  $value Value to set
     *
     * @return UriInterface
     */
    public static function withQueryValue(UriInterface $uri, $key, $value)
    {
        $result = self::getFilteredQueryString($uri, [$key]);

        $result[] = self::generateQueryString($key, $value);

        return $uri->withQuery(implode('&', $result));
    }

    /**
     * Creates a new URI with multiple specific query string values.
     *
     * It has the same behavior as withQueryValue() but for an associative array of key => value.
     *
     * @param UriInterface $uri           URI to use as a base.
     * @param array        $keyValueArray Associative array of key and values
     *
     * @return UriInterface
     */
    public static function withQueryValues(UriInterface $uri, array $keyValueArray)
    {
        $result = self::getFilteredQueryString($uri, array_keys($keyValueArray));

        foreach ($keyValueArray as $key => $value) {
            $result[] = self::generateQueryString($key, $value);
        }

        return $uri->withQuery(implode('&', $result));
    }

    /**
     * Creates a URI from a hash of `parse_url` components.
     *
     * @param array $parts
     *
     * @return UriInterface
     *
     * @link http://php.net/manual/en/function.parse-url.php
     *
     * @throws \InvalidArgumentException If the components do not form a valid URI.
     */
    public static function fromParts(array $parts)
    {
        $uri = new self();
        $uri->applyParts($parts);
        $uri->validateState();

        return $uri;
    }

    public function getScheme()
    {
        return $this->scheme;
    }

    public function getAuthority()
    {
        $authority = $this->host;
        if ($this->userInfo !== '') {
            $authority = $this->userInfo . '@' . $authority;
        }

        if ($this->port !== null) {
            $authority .= ':' . $this->port;
        }

        return $authority;
    }

    public function getUserInfo()
    {
        return $this->userInfo;
    }

    public function getHost()
    {
        return $this->host;
    }

    public function getPort()
    {
        return $this->port;
    }

    public function getPath()
    {
        return $this->path;
    }

    public function getQuery()
    {
        return $this->query;
    }

    public function getFragment()
    {
        return $this->fragment;
    }

    public function withScheme($scheme)
    {
        $scheme = $this->filterScheme($scheme);

        if ($this->scheme === $scheme) {
            return $this;
        }

        $new = clone $this;
        $new->scheme = $scheme;
        $new->removeDefaultPort();
        $new->validateState();

        return $new;
    }

    public function withUserInfo($user, $password = null)
    {
        $info = $this->filterUserInfoComponent($user);
        if ($password !== null) {
            $info .= ':' . $this->filterUserInfoComponent($password);
        }

        if ($this->userInfo === $info) {
            return $this;
        }

        $new = clone $this;
        $new->userInfo = $info;
        $new->validateState();

        return $new;
    }

    public function withHost($host)
    {
        $host = $this->filterHost($host);

        if ($this->host === $host) {
            return $this;
        }

        $new = clone $this;
        $new->host = $host;
        $new->validateState();

        return $new;
    }

    public function withPort($port)
    {
        $port = $this->filterPort($port);

        if ($this->port === $port) {
            return $this;
        }

        $new = clone $this;
        $new->port = $port;
        $new->removeDefaultPort();
        $new->validateState();

        return $new;
    }

    public function withPath($path)
    {
        $path = $this->filterPath($path);

        if ($this->path === $path) {
            return $this;
        }

        $new = clone $this;
        $new->path = $path;
        $new->validateState();

        return $new;
    }

    public function withQuery($query)
    {
        $query = $this->filterQueryAndFragment($query);

        if ($this->query === $query) {
            return $this;
        }

        $new = clone $this;
        $new->query = $query;

        return $new;
    }

    public function withFragment($fragment)
    {
        $fragment = $this->filterQueryAndFragment($fragment);

        if ($this->fragment === $fragment) {
            return $this;
        }

        $new = clone $this;
        $new->fragment = $fragment;

        return $new;
    }

    /**
     * Apply parse_url parts to a URI.
     *
     * @param array $parts Array of parse_url parts to apply.
     */
    private function applyParts(array $parts)
    {
        $this->scheme = isset($parts['scheme'])
            ? $this->filterScheme($parts['scheme'])
            : '';
        $this->userInfo = isset($parts['user'])
            ? $this->filterUserInfoComponent($parts['user'])
            : '';
        $this->host = isset($parts['host'])
            ? $this->filterHost($parts['host'])
            : '';
        $this->port = isset($parts['port'])
            ? $this->filterPort($parts['port'])
            : null;
        $this->path = isset($parts['path'])
            ? $this->filterPath($parts['path'])
            : '';
        $this->query = isset($parts['query'])
            ? $this->filterQueryAndFragment($parts['query'])
            : '';
        $this->fragment = isset($parts['fragment'])
            ? $this->filterQueryAndFragment($parts['fragment'])
            : '';
        if (isset($parts['pass'])) {
            $this->userInfo .= ':' . $this->filterUserInfoComponent($parts['pass']);
        }

        $this->removeDefaultPort();
    }

    /**
     * @param string $scheme
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the scheme is invalid.
     */
    private function filterScheme($scheme)
    {
        if (!is_string($scheme)) {
            throw new \InvalidArgumentException('Scheme must be a string');
        }

        return \strtr($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz');
    }

    /**
     * @param string $component
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the user info is invalid.
     */
    private function filterUserInfoComponent($component)
    {
        if (!is_string($component)) {
            throw new \InvalidArgumentException('User info must be a string');
        }

        return preg_replace_callback(
            '/(?:[^%' . self::$charUnreserved . self::$charSubDelims . ']+|%(?![A-Fa-f0-9]{2}))/',
            [$this, 'rawurlencodeMatchZero'],
            $component
        );
    }

    /**
     * @param string $host
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the host is invalid.
     */
    private function filterHost($host)
    {
        if (!is_string($host)) {
            throw new \InvalidArgumentException('Host must be a string');
        }

        return \strtr($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz');
    }

    /**
     * @param int|null $port
     *
     * @return int|null
     *
     * @throws \InvalidArgumentException If the port is invalid.
     */
    private function filterPort($port)
    {
        if ($port === null) {
            return null;
        }

        $port = (int) $port;
        if (0 > $port || 0xffff < $port) {
            throw new \InvalidArgumentException(
                sprintf('Invalid port: %d. Must be between 0 and 65535', $port)
            );
        }

        return $port;
    }

    /**
     * @param UriInterface $uri
     * @param array        $keys
     *
     * @return array
     */
    private static function getFilteredQueryString(UriInterface $uri, array $keys)
    {
        $current = $uri->getQuery();

        if ($current === '') {
            return [];
        }

        $decodedKeys = array_map('rawurldecode', $keys);

        return array_filter(explode('&', $current), function ($part) use ($decodedKeys) {
            return !in_array(rawurldecode(explode('=', $part)[0]), $decodedKeys, true);
        });
    }

    /**
     * @param string      $key
     * @param string|null $value
     *
     * @return string
     */
    private static function generateQueryString($key, $value)
    {
        // Query string separators ("=", "&") within the key or value need to be encoded
        // (while preventing double-encoding) before setting the query string. All other
        // chars that need percent-encoding will be encoded by withQuery().
        $queryString = strtr($key, self::$replaceQuery);

        if ($value !== null) {
            $queryString .= '=' . strtr($value, self::$replaceQuery);
        }

        return $queryString;
    }

    private function removeDefaultPort()
    {
        if ($this->port !== null && self::isDefaultPort($this)) {
            $this->port = null;
        }
    }

    /**
     * Filters the path of a URI
     *
     * @param string $path
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the path is invalid.
     */
    private function filterPath($path)
    {
        if (!is_string($path)) {
            throw new \InvalidArgumentException('Path must be a string');
        }

        return preg_replace_callback(
            '/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\/]++|%(?![A-Fa-f0-9]{2}))/',
            [$this, 'rawurlencodeMatchZero'],
            $path
        );
    }

    /**
     * Filters the query string or fragment of a URI.
     *
     * @param string $str
     *
     * @return string
     *
     * @throws \InvalidArgumentException If the query or fragment is invalid.
     */
    private function filterQueryAndFragment($str)
    {
        if (!is_string($str)) {
            throw new \InvalidArgumentException('Query and fragment must be a string');
        }

        return preg_replace_callback(
            '/(?:[^' . self::$charUnreserved . self::$charSubDelims . '%:@\/\?]++|%(?![A-Fa-f0-9]{2}))/',
            [$this, 'rawurlencodeMatchZero'],
            $str
        );
    }

    private function rawurlencodeMatchZero(array $match)
    {
        return rawurlencode($match[0]);
    }

    private function validateState()
    {
        if ($this->host === '' && ($this->scheme === 'http' || $this->scheme === 'https')) {
            $this->host = self::HTTP_DEFAULT_HOST;
        }

        if ($this->getAuthority() === '') {
            if (0 === strpos($this->path, '//')) {
                throw new \InvalidArgumentException('The path of a URI without an authority must not start with two slashes "//"');
            }
            if ($this->scheme === '' && false !== strpos(explode('/', $this->path, 2)[0], ':')) {
                throw new \InvalidArgumentException('A relative URI must not have a path beginning with a segment containing a colon');
            }
        } elseif (isset($this->path[0]) && $this->path[0] !== '/') {
            @trigger_error(
                'The path of a URI with an authority must start with a slash "/" or be empty. Automagically fixing the URI ' .
                'by adding a leading slash to the path is deprecated since version 1.4 and will throw an exception instead.',
                E_USER_DEPRECATED
            );
            $this->path = '/' . $this->path;
            //throw new \InvalidArgumentException('The path of a URI with an authority must start with a slash "/" or be empty');
        }
    }
}
PK     ¥ˆU]‡ÙÝ,5  5  ,  vendor/guzzlehttp/psr7/src/InflateStream.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Uses PHP's zlib.inflate filter to inflate deflate or gzipped content.
 *
 * This stream decorator skips the first 10 bytes of the given stream to remove
 * the gzip header, converts the provided stream to a PHP stream resource,
 * then appends the zlib.inflate filter. The stream is then converted back
 * to a Guzzle stream resource to be used as a Guzzle stream.
 *
 * @link http://tools.ietf.org/html/rfc1952
 * @link http://php.net/manual/en/filters.compression.php
 *
 * @final
 */
class InflateStream implements StreamInterface
{
    use StreamDecoratorTrait;

    public function __construct(StreamInterface $stream)
    {
        // read the first 10 bytes, ie. gzip header
        $header = $stream->read(10);
        $filenameHeaderLength = $this->getLengthOfPossibleFilenameHeader($stream, $header);
        // Skip the header, that is 10 + length of filename + 1 (nil) bytes
        $stream = new LimitStream($stream, -1, 10 + $filenameHeaderLength);
        $resource = StreamWrapper::getResource($stream);
        stream_filter_append($resource, 'zlib.inflate', STREAM_FILTER_READ);
        $this->stream = $stream->isSeekable() ? new Stream($resource) : new NoSeekStream(new Stream($resource));
    }

    /**
     * @param StreamInterface $stream
     * @param $header
     *
     * @return int
     */
    private function getLengthOfPossibleFilenameHeader(StreamInterface $stream, $header)
    {
        $filename_header_length = 0;

        if (substr(bin2hex($header), 6, 2) === '08') {
            // we have a filename, read until nil
            $filename_header_length = 1;
            while ($stream->read(1) !== chr(0)) {
                $filename_header_length++;
            }
        }

        return $filename_header_length;
    }
}
PK     ¥ˆU]N´¢  ¢  $  vendor/guzzlehttp/psr7/src/Query.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

final class Query
{
    /**
     * Parse a query string into an associative array.
     *
     * If multiple values are found for the same key, the value of that key
     * value pair will become an array. This function does not parse nested
     * PHP style arrays into an associative array (e.g., `foo[a]=1&foo[b]=2`
     * will be parsed into `['foo[a]' => '1', 'foo[b]' => '2'])`.
     *
     * @param string   $str         Query string to parse
     * @param int|bool $urlEncoding How the query string is encoded
     *
     * @return array
     */
    public static function parse($str, $urlEncoding = true)
    {
        $result = [];

        if ($str === '') {
            return $result;
        }

        if ($urlEncoding === true) {
            $decoder = function ($value) {
                return rawurldecode(str_replace('+', ' ', $value));
            };
        } elseif ($urlEncoding === PHP_QUERY_RFC3986) {
            $decoder = 'rawurldecode';
        } elseif ($urlEncoding === PHP_QUERY_RFC1738) {
            $decoder = 'urldecode';
        } else {
            $decoder = function ($str) {
                return $str;
            };
        }

        foreach (explode('&', $str) as $kvp) {
            $parts = explode('=', $kvp, 2);
            $key = $decoder($parts[0]);
            $value = isset($parts[1]) ? $decoder($parts[1]) : null;
            if (!isset($result[$key])) {
                $result[$key] = $value;
            } else {
                if (!is_array($result[$key])) {
                    $result[$key] = [$result[$key]];
                }
                $result[$key][] = $value;
            }
        }

        return $result;
    }

    /**
     * Build a query string from an array of key value pairs.
     *
     * This function can use the return value of `parse()` to build a query
     * string. This function does not modify the provided keys when an array is
     * encountered (like `http_build_query()` would).
     *
     * @param array     $params   Query string parameters.
     * @param int|false $encoding Set to false to not encode, PHP_QUERY_RFC3986
     *                            to encode using RFC3986, or PHP_QUERY_RFC1738
     *                            to encode using RFC1738.
     *
     * @return string
     */
    public static function build(array $params, $encoding = PHP_QUERY_RFC3986)
    {
        if (!$params) {
            return '';
        }

        if ($encoding === false) {
            $encoder = function ($str) {
                return $str;
            };
        } elseif ($encoding === PHP_QUERY_RFC3986) {
            $encoder = 'rawurlencode';
        } elseif ($encoding === PHP_QUERY_RFC1738) {
            $encoder = 'urlencode';
        } else {
            throw new \InvalidArgumentException('Invalid type');
        }

        $qs = '';
        foreach ($params as $k => $v) {
            $k = $encoder($k);
            if (!is_array($v)) {
                $qs .= $k;
                if ($v !== null) {
                    $qs .= '=' . $encoder($v);
                }
                $qs .= '&';
            } else {
                foreach ($v as $vv) {
                    $qs .= $k;
                    if ($vv !== null) {
                        $qs .= '=' . $encoder($vv);
                    }
                    $qs .= '&';
                }
            }
        }

        return $qs ? (string) substr($qs, 0, -1) : '';
    }
}
PK     ¥ˆU]MâÈ  È  +  vendor/guzzlehttp/psr7/src/MessageTrait.phpnu „[µü¤        <?php

namespace GuzzleHttp\Psr7;

use Psr\Http\Message\StreamInterface;

/**
 * Trait implementing functionality common to requests and responses.
 */
trait MessageTrait
{
    /** @var array Map of all registered headers, as original name => array of values */
    private $headers = [];

    /** @var array Map of lowercase header name => original name at registration */
    private $headerNames  = [];

    /** @var string */
    private $protocol = '1.1';

    /** @var StreamInterface|null */
    private $stream;

    public function getProtocolVersion()
    {
        return $this->protocol;
    }

    public function withProtocolVersion($version)
    {
        if ($this->protocol === $version) {
            return $this;
        }

        $new = clone $this;
        $new->protocol = $version;
        return $new;
    }

    public function getHeaders()
    {
        return $this->headers;
    }

    public function hasHeader($header)
    {
        return isset($this->headerNames[strtolower($header)]);
    }

    public function getHeader($header)
    {
        $header = strtolower($header);

        if (!isset($this->headerNames[$header])) {
            return [];
        }

        $header = $this->headerNames[$header];

        return $this->headers[$header];
    }

    public function getHeaderLine($header)
    {
        return implode(', ', $this->getHeader($header));
    }

    public function withHeader($header, $value)
    {
        $this->assertHeader($header);
        $value = $this->normalizeHeaderValue($value);
        $normalized = strtolower($header);

        $new = clone $this;
        if (isset($new->headerNames[$normalized])) {
            unset($new->headers[$new->headerNames[$normalized]]);
        }
        $new->headerNames[$normalized] = $header;
        $new->headers[$header] = $value;

        return $new;
    }

    public function withAddedHeader($header, $value)
    {
        $this->assertHeader($header);
        $value = $this->normalizeHeaderValue($value);
        $normalized = strtolower($header);

        $new = clone $this;
        if (isset($new->headerNames[$normalized])) {
            $header = $this->headerNames[$normalized];
            $new->headers[$header] = array_merge($this->headers[$header], $value);
        } else {
            $new->headerNames[$normalized] = $header;
            $new->headers[$header] = $value;
        }

        return $new;
    }

    public function withoutHeader($header)
    {
        $normalized = strtolower($header);

        if (!isset($this->headerNames[$normalized])) {
            return $this;
        }

        $header = $this->headerNames[$normalized];

        $new = clone $this;
        unset($new->headers[$header], $new->headerNames[$normalized]);

        return $new;
    }

    public function getBody()
    {
        if (!$this->stream) {
            $this->stream = Utils::streamFor('');
        }

        return $this->stream;
    }

    public function withBody(StreamInterface $body)
    {
        if ($body === $this->stream) {
            return $this;
        }

        $new = clone $this;
        $new->stream = $body;
        return $new;
    }

    private function setHeaders(array $headers)
    {
        $this->headerNames = $this->headers = [];
        foreach ($headers as $header => $value) {
            if (is_int($header)) {
                // Numeric array keys are converted to int by PHP but having a header name '123' is not forbidden by the spec
                // and also allowed in withHeader(). So we need to cast it to string again for the following assertion to pass.
                $header = (string) $header;
            }
            $this->assertHeader($header);
            $value = $this->normalizeHeaderValue($value);
            $normalized = strtolower($header);
            if (isset($this->headerNames[$normalized])) {
                $header = $this->headerNames[$normalized];
                $this->headers[$header] = array_merge($this->headers[$header], $value);
            } else {
                $this->headerNames[$normalized] = $header;
                $this->headers[$header] = $value;
            }
        }
    }

    /**
     * @param mixed $value
     *
     * @return string[]
     */
    private function normalizeHeaderValue($value)
    {
        if (!is_array($value)) {
            return $this->trimAndValidateHeaderValues([$value]);
        }

        if (count($value) === 0) {
            throw new \InvalidArgumentException('Header value can not be an empty array.');
        }

        return $this->trimAndValidateHeaderValues($value);
    }

    /**
     * Trims whitespace from the header values.
     *
     * Spaces and tabs ought to be excluded by parsers when extracting the field value from a header field.
     *
     * header-field = field-name ":" OWS field-value OWS
     * OWS          = *( SP / HTAB )
     *
     * @param mixed[] $values Header values
     *
     * @return string[] Trimmed header values
     *
     * @see https://tools.ietf.org/html/rfc7230#section-3.2.4
     */
    private function trimAndValidateHeaderValues(array $values)
    {
        return array_map(function ($value) {
            if (!is_scalar($value) && null !== $value) {
                throw new \InvalidArgumentException(sprintf(
                    'Header value must be scalar or null but %s provided.',
                    is_object($value) ? get_class($value) : gettype($value)
                ));
            }

            $trimmed = trim((string) $value, " \t");
            $this->assertValue($trimmed);

            return $trimmed;
        }, array_values($values));
    }

    /**
     * @see https://tools.ietf.org/html/rfc7230#section-3.2
     *
     * @param mixed $header
     *
     * @return void
     */
    private function assertHeader($header)
    {
        if (!is_string($header)) {
            throw new \InvalidArgumentException(sprintf(
                'Header name must be a string but %s provided.',
                is_object($header) ? get_class($header) : gettype($header)
            ));
        }

        if ($header === '') {
            throw new \InvalidArgumentException('Header name can not be empty.');
        }

        if (! preg_match('/^[a-zA-Z0-9\'`#$%&*+.^_|~!-]+$/', $header)) {
            throw new \InvalidArgumentException(
                sprintf(
                    '"%s" is not valid header name',
                    $header
                )
            );
        }
    }

    /**
     * @param string $value
     *
     * @return void
     *
     * @see https://tools.ietf.org/html/rfc7230#section-3.2
     *
     * field-value    = *( field-content / obs-fold )
     * field-content  = field-vchar [ 1*( SP / HTAB ) field-vchar ]
     * field-vchar    = VCHAR / obs-text
     * VCHAR          = %x21-7E
     * obs-text       = %x80-FF
     * obs-fold       = CRLF 1*( SP / HTAB )
     */
    private function assertValue($value)
    {
        // The regular expression intentionally does not support the obs-fold production, because as
        // per RFC 7230#3.2.4:
        //
        // A sender MUST NOT generate a message that includes
        // line folding (i.e., that has any field-value that contains a match to
        // the obs-fold rule) unless the message is intended for packaging
        // within the message/http media type.
        //
        // Clients must not send a request with line folding and a server sending folded headers is
        // likely very rare. Line folding is a fairly obscure feature of HTTP/1.1 and thus not accepting
        // folding is not likely to break any legitimate use case.
        if (! preg_match('/^[\x20\x09\x21-\x7E\x80-\xFF]*$/', $value)) {
            throw new \InvalidArgumentException(sprintf('"%s" is not valid header value', $value));
        }
    }
}
PK     ¥ˆU]ü´E�N,  N,    vendor/google/auth/COPYINGnu „[µü¤        
                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

   1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

      "Licensor" shall mean the copyright owner or entity authorized by
      the copyright owner that is granting the License.

      "Legal Entity" shall mean the union of the acting entity and all
      other entities that control, are controlled by, or are under common
      control with that entity. For the purposes of this definition,
      "control" means (i) the power, direct or indirect, to cause the
      direction or management of such entity, whether by contract or
      otherwise, or (ii) ownership of fifty percent (50%) or more of the
      outstanding shares, or (iii) beneficial ownership of such entity.

      "You" (or "Your") shall mean an individual or Legal Entity
      exercising permissions granted by this License.

      "Source" form shall mean the preferred form for making modifications,
      including but not limited to software source code, documentation
      source, and configuration files.

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

      "Work" shall mean the work of authorship, whether in Source or
      Object form, made available under the License, as indicated by a
      copyright notice that is included in or attached to the work
      (an example is provided in the Appendix below).

      "Derivative Works" shall mean any work, whether in Source or Object
      form, that is based on (or derived from) the Work and for which the
      editorial revisions, annotations, elaborations, or other modifications
      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions
      to that Work or Derivative Works thereof, that is intentionally
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      to the Licensor or its representatives, including but not limited to
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      "Contributor" shall mean Licensor and any individual or Legal Entity
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   2. Grant of Copyright License. Subject to the terms and conditions of
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      as of the date such litigation is filed.

   4. Redistribution. You may reproduce and distribute copies of the
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      meet the following conditions:

      (a) You must give any other recipients of the Work or
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      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
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      (d) If the Work includes a "NOTICE" text file as part of its
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          as part of the Derivative Works; within the Source form or
          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution
          notices within Derivative Works that You distribute, alongside
          or as an addendum to the NOTICE text from the Work, provided
          that such additional attribution notices cannot be construed
          as modifying the License.

      You may add Your own copyright statement to Your modifications and
      may provide additional or different license terms and conditions
      for use, reproduction, or distribution of Your modifications, or
      for any such Derivative Works as a whole, provided Your use,
      reproduction, and distribution of the Work otherwise complies with
      the conditions stated in this License.

   5. Submission of Contributions. Unless You explicitly state otherwise,
      any Contribution intentionally submitted for inclusion in the Work
      by You to the Licensor shall be under the terms and conditions of
      this License, without any additional terms or conditions.
      Notwithstanding the above, nothing herein shall supersede or modify
      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

   6. Trademarks. This License does not grant permission to use the trade
      names, trademarks, service marks, or product names of the Licensor,
      except as required for reasonable and customary use in describing the
      origin of the Work and reproducing the content of the NOTICE file.

   7. Disclaimer of Warranty. Unless required by applicable law or
      agreed to in writing, Licensor provides the Work (and each
      Contributor provides its Contributions) on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
      implied, including, without limitation, any warranties or conditions
      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
      PARTICULAR PURPOSE. You are solely responsible for determining the
      appropriateness of using or redistributing the Work and assume any
      risks associated with Your exercise of permissions under this License.

   8. Limitation of Liability. In no event and under no legal theory,
      whether in tort (including negligence), contract, or otherwise,
      unless required by applicable law (such as deliberate and grossly
      negligent acts) or agreed to in writing, shall any Contributor be
      liable to You for damages, including any direct, indirect, special,
      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all
      other commercial damages or losses), even if such Contributor
      has been advised of the possibility of such damages.

   9. Accepting Warranty or Additional Liability. While redistributing
      the Work or Derivative Works thereof, You may choose to offer,
      and charge a fee for, acceptance of support, warranty, indemnity,
      or other liability obligations and/or rights consistent with this
      License. However, in accepting such obligations, You may act only
      on Your own behalf and on Your sole responsibility, not on behalf
      of any other Contributor, and only if You agree to indemnify,
      defend, and hold each Contributor harmless for any liability
      incurred by, or claims asserted against, such Contributor by reason
      of your accepting any such warranty or additional liability.

   END OF TERMS AND CONDITIONS

   APPENDIX: How to apply the Apache License to your work.

      To apply the Apache License to your work, attach the following
      boilerplate notice, with the fields enclosed by brackets "[]"
      replaced with your own identifying information. (Don't include
      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright 2015 Google Inc.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
PK     ¥ˆU]Ë#¬s(  (    vendor/google/auth/LICENSEnu „[µü¤        Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.

"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.

"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.

"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.

"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.

"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.

"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).

"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.

"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."

"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.

2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.

3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.

4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:

(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and

(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and

(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and

(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.

You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.

5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.

6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.

7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.

8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.

9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.

END OF TERMS AND CONDITIONS

APPENDIX: How to apply the Apache License to your work.

To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.

Copyright [yyyy] [name of copyright owner]

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.


PK     ¦ˆU]KñK¾[  [    vendor/google/auth/autoload.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

function oauth2client_php_autoload($className)
{
    $classPath = explode('_', $className);
    if ($classPath[0] != 'Google') {
        return;
    }
    if (count($classPath) > 3) {
        // Maximum class file path depth in this project is 3.
        $classPath = array_slice($classPath, 0, 3);
    }
    $filePath = dirname(__FILE__) . '/src/' . implode('/', $classPath) . '.php';
    if (file_exists($filePath)) {
        require_once $filePath;
    }
}

spl_autoload_register('oauth2client_php_autoload');
PK     ¦ˆU]jü_ì   ì   $  vendor/google/auth/phpstan.neon.distnu „[µü¤        parameters:
    treatPhpDocTypesAsCertain: false
    level: 7
    paths:
    - src
    featureToggles:
      disableRuntimeReflectionProvider: true
    excludePaths:
    - src/HttpHandler/Guzzle5HttpHandler.php
    - src/Cache/Item.php
PK     ¦ˆU]¡R½åO  O    vendor/google/auth/src/Iam.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Google\Auth\HttpHandler\HttpClientCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Utils;

/**
 * Tools for using the IAM API.
 *
 * @see https://cloud.google.com/iam/docs IAM Documentation
 */
class Iam
{
    const IAM_API_ROOT = 'https://iamcredentials.googleapis.com/v1';
    const SIGN_BLOB_PATH = '%s:signBlob?alt=json';
    const SERVICE_ACCOUNT_NAME = 'projects/-/serviceAccounts/%s';

    /**
     * @var callable
     */
    private $httpHandler;

    /**
     * @param callable $httpHandler [optional] The HTTP Handler to send requests.
     */
    public function __construct(callable $httpHandler = null)
    {
        $this->httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());
    }

    /**
     * Sign a string using the IAM signBlob API.
     *
     * Note that signing using IAM requires your service account to have the
     * `iam.serviceAccounts.signBlob` permission, part of the "Service Account
     * Token Creator" IAM role.
     *
     * @param string $email The service account email.
     * @param string $accessToken An access token from the service account.
     * @param string $stringToSign The string to be signed.
     * @param array<string> $delegates [optional] A list of service account emails to
     *        add to the delegate chain. If omitted, the value of `$email` will
     *        be used.
     * @return string The signed string, base64-encoded.
     */
    public function signBlob($email, $accessToken, $stringToSign, array $delegates = [])
    {
        $httpHandler = $this->httpHandler;
        $name = sprintf(self::SERVICE_ACCOUNT_NAME, $email);
        $uri = self::IAM_API_ROOT . '/' . sprintf(self::SIGN_BLOB_PATH, $name);

        if ($delegates) {
            foreach ($delegates as &$delegate) {
                $delegate = sprintf(self::SERVICE_ACCOUNT_NAME, $delegate);
            }
        } else {
            $delegates = [$name];
        }

        $body = [
            'delegates' => $delegates,
            'payload' => base64_encode($stringToSign),
        ];

        $headers = [
            'Authorization' => 'Bearer ' . $accessToken
        ];

        $request = new Psr7\Request(
            'POST',
            $uri,
            $headers,
            Utils::streamFor(json_encode($body))
        );

        $res = $httpHandler($request);
        $body = json_decode((string) $res->getBody(), true);

        return $body['signedBlob'];
    }
}
PK     ¦ˆU]W•(ƒÂ  Â  5  vendor/google/auth/src/ProjectIdProviderInterface.phpnu „[µü¤        <?php
/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

/**
 * Describes a Credentials object which supports fetching the project ID.
 */
interface ProjectIdProviderInterface
{
    /**
     * Get the project ID.
     *
     * @param callable $httpHandler Callback which delivers psr7 request
     * @return string|null
     */
    public function getProjectId(callable $httpHandler = null);
}
PK     ¦ˆU]´žHÒ6  6  4  vendor/google/auth/src/ServiceAccountSignerTrait.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use phpseclib\Crypt\RSA;

/**
 * Sign a string using a Service Account private key.
 */
trait ServiceAccountSignerTrait
{
    /**
     * Sign a string using the service account private key.
     *
     * @param string $stringToSign
     * @param bool $forceOpenssl Whether to use OpenSSL regardless of
     *        whether phpseclib is installed. **Defaults to** `false`.
     * @return string
     */
    public function signBlob($stringToSign, $forceOpenssl = false)
    {
        $privateKey = $this->auth->getSigningKey();

        $signedString = '';
        if (class_exists('\\phpseclib\\Crypt\\RSA') && !$forceOpenssl) {
            $rsa = new RSA();
            $rsa->loadKey($privateKey);
            $rsa->setSignatureMode(RSA::SIGNATURE_PKCS1);
            $rsa->setHash('sha256');

            $signedString = $rsa->sign($stringToSign);
        } elseif (extension_loaded('openssl')) {
            openssl_sign($stringToSign, $signedString, $privateKey, 'sha256WithRSAEncryption');
        } else {
            // @codeCoverageIgnoreStart
            throw new \RuntimeException('OpenSSL is not installed.');
        }
        // @codeCoverageIgnoreEnd

        return base64_encode($signedString);
    }
}
PK     ¦ˆU]Ãšf@³  ³  3  vendor/google/auth/src/GetQuotaProjectInterface.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

/**
 * An interface implemented by objects that can get quota projects.
 */
interface GetQuotaProjectInterface
{
    const X_GOOG_USER_PROJECT_HEADER = 'X-Goog-User-Project';

    /**
     * Get the quota project used for this API request
     *
     * @return string|null
     */
    public function getQuotaProject();
}
PK     ¦ˆU]¼×xs%  %  6  vendor/google/auth/src/Middleware/SimpleMiddleware.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Middleware;

use GuzzleHttp\Psr7\Query;
use Psr\Http\Message\RequestInterface;

/**
 * SimpleMiddleware is a Guzzle Middleware that implements Google's Simple API
 * access.
 *
 * Requests are accessed using the Simple API access developer key.
 */
class SimpleMiddleware
{
    /**
     * @var array<mixed>
     */
    private $config;

    /**
     * Create a new Simple plugin.
     *
     * The configuration array expects one option
     * - key: required, otherwise InvalidArgumentException is thrown
     *
     * @param array<mixed> $config Configuration array
     */
    public function __construct(array $config)
    {
        if (!isset($config['key'])) {
            throw new \InvalidArgumentException('requires a key to have been set');
        }

        $this->config = array_merge(['key' => null], $config);
    }

    /**
     * Updates the request query with the developer key if auth is set to simple.
     *
     *   use Google\Auth\Middleware\SimpleMiddleware;
     *   use GuzzleHttp\Client;
     *   use GuzzleHttp\HandlerStack;
     *
     *   $my_key = 'is not the same as yours';
     *   $middleware = new SimpleMiddleware(['key' => $my_key]);
     *   $stack = HandlerStack::create();
     *   $stack->push($middleware);
     *
     *   $client = new Client([
     *       'handler' => $stack,
     *       'base_uri' => 'https://www.googleapis.com/discovery/v1/',
     *       'auth' => 'simple'
     *   ]);
     *
     *   $res = $client->get('drive/v2/rest');
     *
     * @param callable $handler
     * @return \Closure
     */
    public function __invoke(callable $handler)
    {
        return function (RequestInterface $request, array $options) use ($handler) {
            // Requests using "auth"="scoped" will be authorized.
            if (!isset($options['auth']) || $options['auth'] !== 'simple') {
                return $handler($request, $options);
            }

            $query = Query::parse($request->getUri()->getQuery());
            $params = array_merge($query, $this->config);
            $uri = $request->getUri()->withQuery(Query::build($params));
            $request = $request->withUri($uri);

            return $handler($request, $options);
        };
    }
}
PK     ¦ˆU]ÁÇSSK  K  9  vendor/google/auth/src/Middleware/AuthTokenMiddleware.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Middleware;

use Google\Auth\FetchAuthTokenInterface;
use Google\Auth\GetQuotaProjectInterface;
use Psr\Http\Message\RequestInterface;

/**
 * AuthTokenMiddleware is a Guzzle Middleware that adds an Authorization header
 * provided by an object implementing FetchAuthTokenInterface.
 *
 * The FetchAuthTokenInterface#fetchAuthToken is used to obtain a hash; one of
 * the values value in that hash is added as the authorization header.
 *
 * Requests will be accessed with the authorization header:
 *
 * 'authorization' 'Bearer <value of auth_token>'
 */
class AuthTokenMiddleware
{
    /**
     * @var callable
     */
    private $httpHandler;

    /**
     * @var FetchAuthTokenInterface
     */
    private $fetcher;

    /**
     * @var ?callable
     */
    private $tokenCallback;

    /**
     * Creates a new AuthTokenMiddleware.
     *
     * @param FetchAuthTokenInterface $fetcher is used to fetch the auth token
     * @param callable $httpHandler (optional) callback which delivers psr7 request
     * @param callable $tokenCallback (optional) function to be called when a new token is fetched.
     */
    public function __construct(
        FetchAuthTokenInterface $fetcher,
        callable $httpHandler = null,
        callable $tokenCallback = null
    ) {
        $this->fetcher = $fetcher;
        $this->httpHandler = $httpHandler;
        $this->tokenCallback = $tokenCallback;
    }

    /**
     * Updates the request with an Authorization header when auth is 'google_auth'.
     *
     *   use Google\Auth\Middleware\AuthTokenMiddleware;
     *   use Google\Auth\OAuth2;
     *   use GuzzleHttp\Client;
     *   use GuzzleHttp\HandlerStack;
     *
     *   $config = [..<oauth config param>.];
     *   $oauth2 = new OAuth2($config)
     *   $middleware = new AuthTokenMiddleware($oauth2);
     *   $stack = HandlerStack::create();
     *   $stack->push($middleware);
     *
     *   $client = new Client([
     *       'handler' => $stack,
     *       'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
     *       'auth' => 'google_auth' // authorize all requests
     *   ]);
     *
     *   $res = $client->get('myproject/taskqueues/myqueue');
     *
     * @param callable $handler
     * @return \Closure
     */
    public function __invoke(callable $handler)
    {
        return function (RequestInterface $request, array $options) use ($handler) {
            // Requests using "auth"="google_auth" will be authorized.
            if (!isset($options['auth']) || $options['auth'] !== 'google_auth') {
                return $handler($request, $options);
            }

            $request = $request->withHeader('authorization', 'Bearer ' . $this->fetchToken());

            if ($quotaProject = $this->getQuotaProject()) {
                $request = $request->withHeader(
                    GetQuotaProjectInterface::X_GOOG_USER_PROJECT_HEADER,
                    $quotaProject
                );
            }

            return $handler($request, $options);
        };
    }

    /**
     * Call fetcher to fetch the token.
     *
     * @return string|null
     */
    private function fetchToken()
    {
        $auth_tokens = $this->fetcher->fetchAuthToken($this->httpHandler);

        if (array_key_exists('access_token', $auth_tokens)) {
            // notify the callback if applicable
            if ($this->tokenCallback) {
                call_user_func(
                    $this->tokenCallback,
                    $this->fetcher->getCacheKey(),
                    $auth_tokens['access_token']
                );
            }

            return $auth_tokens['access_token'];
        }

        if (array_key_exists('id_token', $auth_tokens)) {
            return $auth_tokens['id_token'];
        }

        return null;
    }

    /**
     * @return string|null
     */
    private function getQuotaProject()
    {
        if ($this->fetcher instanceof GetQuotaProjectInterface) {
            return $this->fetcher->getQuotaProject();
        }

        return null;
    }
}
PK     ¦ˆU]•T‰  ‰  >  vendor/google/auth/src/Middleware/ProxyAuthTokenMiddleware.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Middleware;

use Google\Auth\FetchAuthTokenInterface;
use Google\Auth\GetQuotaProjectInterface;
use Psr\Http\Message\RequestInterface;

/**
 * ProxyAuthTokenMiddleware is a Guzzle Middleware that adds an Authorization header
 * provided by an object implementing FetchAuthTokenInterface.
 *
 * The FetchAuthTokenInterface#fetchAuthToken is used to obtain a hash; one of
 * the values value in that hash is added as the authorization header.
 *
 * Requests will be accessed with the authorization header:
 *
 * 'proxy-authorization' 'Bearer <value of auth_token>'
 */
class ProxyAuthTokenMiddleware
{
    /**
     * @var callable
     */
    private $httpHandler;

    /**
     * @var FetchAuthTokenInterface
     */
    private $fetcher;

    /**
     * @var ?callable
     */
    private $tokenCallback;

    /**
     * Creates a new ProxyAuthTokenMiddleware.
     *
     * @param FetchAuthTokenInterface $fetcher is used to fetch the auth token
     * @param callable $httpHandler (optional) callback which delivers psr7 request
     * @param callable $tokenCallback (optional) function to be called when a new token is fetched.
     */
    public function __construct(
        FetchAuthTokenInterface $fetcher,
        callable $httpHandler = null,
        callable $tokenCallback = null
    ) {
        $this->fetcher = $fetcher;
        $this->httpHandler = $httpHandler;
        $this->tokenCallback = $tokenCallback;
    }

    /**
     * Updates the request with an Authorization header when auth is 'google_auth'.
     *
     *   use Google\Auth\Middleware\ProxyAuthTokenMiddleware;
     *   use Google\Auth\OAuth2;
     *   use GuzzleHttp\Client;
     *   use GuzzleHttp\HandlerStack;
     *
     *   $config = [..<oauth config param>.];
     *   $oauth2 = new OAuth2($config)
     *   $middleware = new ProxyAuthTokenMiddleware($oauth2);
     *   $stack = HandlerStack::create();
     *   $stack->push($middleware);
     *
     *   $client = new Client([
     *       'handler' => $stack,
     *       'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
     *       'proxy_auth' => 'google_auth' // authorize all requests
     *   ]);
     *
     *   $res = $client->get('myproject/taskqueues/myqueue');
     *
     * @param callable $handler
     * @return \Closure
     */
    public function __invoke(callable $handler)
    {
        return function (RequestInterface $request, array $options) use ($handler) {
            // Requests using "proxy_auth"="google_auth" will be authorized.
            if (!isset($options['proxy_auth']) || $options['proxy_auth'] !== 'google_auth') {
                return $handler($request, $options);
            }

            $request = $request->withHeader('proxy-authorization', 'Bearer ' . $this->fetchToken());

            if ($quotaProject = $this->getQuotaProject()) {
                $request = $request->withHeader(
                    GetQuotaProjectInterface::X_GOOG_USER_PROJECT_HEADER,
                    $quotaProject
                );
            }

            return $handler($request, $options);
        };
    }

    /**
     * Call fetcher to fetch the token.
     *
     * @return string|null
     */
    private function fetchToken()
    {
        $auth_tokens = $this->fetcher->fetchAuthToken($this->httpHandler);

        if (array_key_exists('access_token', $auth_tokens)) {
            // notify the callback if applicable
            if ($this->tokenCallback) {
                call_user_func(
                    $this->tokenCallback,
                    $this->fetcher->getCacheKey(),
                    $auth_tokens['access_token']
                );
            }

            return $auth_tokens['access_token'];
        }

        if (array_key_exists('id_token', $auth_tokens)) {
            return $auth_tokens['id_token'];
        }

        return null;
    }

    /**
     * @return string|null;
     */
    private function getQuotaProject()
    {
        if ($this->fetcher instanceof GetQuotaProjectInterface) {
            return $this->fetcher->getQuotaProject();
        }

        return null;
    }
}
PK     ¦ˆU]×á¼c  c  A  vendor/google/auth/src/Middleware/ScopedAccessTokenMiddleware.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Middleware;

use Google\Auth\CacheTrait;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Http\Message\RequestInterface;

/**
 * ScopedAccessTokenMiddleware is a Guzzle Middleware that adds an Authorization
 * header provided by a closure.
 *
 * The closure returns an access token, taking the scope, either a single
 * string or an array of strings, as its value.  If provided, a cache will be
 * used to preserve the access token for a given lifetime.
 *
 * Requests will be accessed with the authorization header:
 *
 * 'authorization' 'Bearer <value of auth_token>'
 */
class ScopedAccessTokenMiddleware
{
    use CacheTrait;

    const DEFAULT_CACHE_LIFETIME = 1500;

    /**
     * @var callable
     */
    private $tokenFunc;

    /**
     * @var array<string>|string
     */
    private $scopes;

    /**
     * Creates a new ScopedAccessTokenMiddleware.
     *
     * @param callable $tokenFunc a token generator function
     * @param array<string>|string $scopes the token authentication scopes
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache an implementation of CacheItemPoolInterface
     */
    public function __construct(
        callable $tokenFunc,
        $scopes,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $this->tokenFunc = $tokenFunc;
        if (!(is_string($scopes) || is_array($scopes))) {
            throw new \InvalidArgumentException(
                'wants scope should be string or array'
            );
        }
        $this->scopes = $scopes;

        if (!is_null($cache)) {
            $this->cache = $cache;
            $this->cacheConfig = array_merge([
                'lifetime' => self::DEFAULT_CACHE_LIFETIME,
                'prefix' => '',
            ], $cacheConfig);
        }
    }

    /**
     * Updates the request with an Authorization header when auth is 'scoped'.
     *
     *   E.g this could be used to authenticate using the AppEngine
     *   AppIdentityService.
     *
     *   use google\appengine\api\app_identity\AppIdentityService;
     *   use Google\Auth\Middleware\ScopedAccessTokenMiddleware;
     *   use GuzzleHttp\Client;
     *   use GuzzleHttp\HandlerStack;
     *
     *   $scope = 'https://www.googleapis.com/auth/taskqueue'
     *   $middleware = new ScopedAccessTokenMiddleware(
     *       'AppIdentityService::getAccessToken',
     *       $scope,
     *       [ 'prefix' => 'Google\Auth\ScopedAccessToken::' ],
     *       $cache = new Memcache()
     *   );
     *   $stack = HandlerStack::create();
     *   $stack->push($middleware);
     *
     *   $client = new Client([
     *       'handler' => $stack,
     *       'base_url' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
     *       'auth' => 'scoped' // authorize all requests
     *   ]);
     *
     *   $res = $client->get('myproject/taskqueues/myqueue');
     *
     * @param callable $handler
     * @return \Closure
     */
    public function __invoke(callable $handler)
    {
        return function (RequestInterface $request, array $options) use ($handler) {
            // Requests using "auth"="scoped" will be authorized.
            if (!isset($options['auth']) || $options['auth'] !== 'scoped') {
                return $handler($request, $options);
            }

            $request = $request->withHeader('authorization', 'Bearer ' . $this->fetchToken());

            return $handler($request, $options);
        };
    }

    /**
     * @return string
     */
    private function getCacheKey()
    {
        $key = null;

        if (is_string($this->scopes)) {
            $key .= $this->scopes;
        } elseif (is_array($this->scopes)) {
            $key .= implode(':', $this->scopes);
        }

        return $key;
    }

    /**
     * Determine if token is available in the cache, if not call tokenFunc to
     * fetch it.
     *
     * @return string
     */
    private function fetchToken()
    {
        $cacheKey = $this->getCacheKey();
        $cached = $this->getCachedValue($cacheKey);

        if (!empty($cached)) {
            return $cached;
        }

        $token = call_user_func($this->tokenFunc, $this->scopes);
        $this->setCachedValue($cacheKey, $token);

        return $token;
    }
}
PK     ¦ˆU]Â–�÷!  ÷!  .  vendor/google/auth/src/FetchAuthTokenCache.phpnu „[µü¤        <?php
/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Psr\Cache\CacheItemPoolInterface;

/**
 * A class to implement caching for any object implementing
 * FetchAuthTokenInterface
 */
class FetchAuthTokenCache implements
    FetchAuthTokenInterface,
    GetQuotaProjectInterface,
    SignBlobInterface,
    ProjectIdProviderInterface,
    UpdateMetadataInterface
{
    use CacheTrait;

    /**
     * @var FetchAuthTokenInterface
     */
    private $fetcher;

    /**
     * @param FetchAuthTokenInterface $fetcher A credentials fetcher
     * @param array<mixed> $cacheConfig Configuration for the cache
     * @param CacheItemPoolInterface $cache
     */
    public function __construct(
        FetchAuthTokenInterface $fetcher,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache
    ) {
        $this->fetcher = $fetcher;
        $this->cache = $cache;
        $this->cacheConfig = array_merge([
            'lifetime' => 1500,
            'prefix' => '',
        ], (array) $cacheConfig);
    }

    /**
     * Implements FetchAuthTokenInterface#fetchAuthToken.
     *
     * Checks the cache for a valid auth token and fetches the auth tokens
     * from the supplied fetcher.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> the response
     * @throws \Exception
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        if ($cached = $this->fetchAuthTokenFromCache()) {
            return $cached;
        }

        $auth_token = $this->fetcher->fetchAuthToken($httpHandler);

        $this->saveAuthTokenInCache($auth_token);

        return $auth_token;
    }

    /**
     * @return string
     */
    public function getCacheKey()
    {
        return $this->getFullCacheKey($this->fetcher->getCacheKey());
    }

    /**
     * @return array<mixed>|null
     */
    public function getLastReceivedToken()
    {
        return $this->fetcher->getLastReceivedToken();
    }

    /**
     * Get the client name from the fetcher.
     *
     * @param callable $httpHandler An HTTP handler to deliver PSR7 requests.
     * @return string
     */
    public function getClientName(callable $httpHandler = null)
    {
        if (!$this->fetcher instanceof SignBlobInterface) {
            throw new \RuntimeException(
                'Credentials fetcher does not implement ' .
                'Google\Auth\SignBlobInterface'
            );
        }

        return $this->fetcher->getClientName($httpHandler);
    }

    /**
     * Sign a blob using the fetcher.
     *
     * @param string $stringToSign The string to sign.
     * @param bool $forceOpenSsl Require use of OpenSSL for local signing. Does
     *        not apply to signing done using external services. **Defaults to**
     *        `false`.
     * @return string The resulting signature.
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\SignBlobInterface`.
     */
    public function signBlob($stringToSign, $forceOpenSsl = false)
    {
        if (!$this->fetcher instanceof SignBlobInterface) {
            throw new \RuntimeException(
                'Credentials fetcher does not implement ' .
                'Google\Auth\SignBlobInterface'
            );
        }

        // Pass the access token from cache to GCECredentials for signing a blob.
        // This saves a call to the metadata server when a cached token exists.
        if ($this->fetcher instanceof Credentials\GCECredentials) {
            $cached = $this->fetchAuthTokenFromCache();
            $accessToken = isset($cached['access_token']) ? $cached['access_token'] : null;
            return $this->fetcher->signBlob($stringToSign, $forceOpenSsl, $accessToken);
        }

        return $this->fetcher->signBlob($stringToSign, $forceOpenSsl);
    }

    /**
     * Get the quota project used for this API request from the credentials
     * fetcher.
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        if ($this->fetcher instanceof GetQuotaProjectInterface) {
            return $this->fetcher->getQuotaProject();
        }

        return null;
    }

    /*
     * Get the Project ID from the fetcher.
     *
     * @param callable $httpHandler Callback which delivers psr7 request
     * @return string|null
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\ProvidesProjectIdInterface`.
     */
    public function getProjectId(callable $httpHandler = null)
    {
        if (!$this->fetcher instanceof ProjectIdProviderInterface) {
            throw new \RuntimeException(
                'Credentials fetcher does not implement ' .
                'Google\Auth\ProvidesProjectIdInterface'
            );
        }

        return $this->fetcher->getProjectId($httpHandler);
    }

    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     * @throws \RuntimeException If the fetcher does not implement
     *     `Google\Auth\UpdateMetadataInterface`.
     */
    public function updateMetadata(
        $metadata,
        $authUri = null,
        callable $httpHandler = null
    ) {
        if (!$this->fetcher instanceof UpdateMetadataInterface) {
            throw new \RuntimeException(
                'Credentials fetcher does not implement ' .
                'Google\Auth\UpdateMetadataInterface'
            );
        }

        $cached = $this->fetchAuthTokenFromCache($authUri);
        if ($cached) {
            // Set the access token in the `Authorization` metadata header so
            // the downstream call to updateMetadata know they don't need to
            // fetch another token.
            if (isset($cached['access_token'])) {
                $metadata[self::AUTH_METADATA_KEY] = [
                    'Bearer ' . $cached['access_token']
                ];
            }
        }

        $newMetadata = $this->fetcher->updateMetadata(
            $metadata,
            $authUri,
            $httpHandler
        );

        if (!$cached && $token = $this->fetcher->getLastReceivedToken()) {
            $this->saveAuthTokenInCache($token, $authUri);
        }

        return $newMetadata;
    }

    /**
     * @param string|null $authUri
     * @return array<mixed>|null
     */
    private function fetchAuthTokenFromCache($authUri = null)
    {
        // Use the cached value if its available.
        //
        // TODO: correct caching; update the call to setCachedValue to set the expiry
        // to the value returned with the auth token.
        //
        // TODO: correct caching; enable the cache to be cleared.

        // if $authUri is set, use it as the cache key
        $cacheKey = $authUri
            ? $this->getFullCacheKey($authUri)
            : $this->fetcher->getCacheKey();

        $cached = $this->getCachedValue($cacheKey);
        if (is_array($cached)) {
            if (empty($cached['expires_at'])) {
                // If there is no expiration data, assume token is not expired.
                // (for JwtAccess and ID tokens)
                return $cached;
            }
            if (time() < $cached['expires_at']) {
                // access token is not expired
                return $cached;
            }
        }

        return null;
    }

    /**
     * @param array<mixed> $authToken
     * @param string|null  $authUri
     * @return void
     */
    private function saveAuthTokenInCache($authToken, $authUri = null)
    {
        if (isset($authToken['access_token']) ||
            isset($authToken['id_token'])) {
            // if $authUri is set, use it as the cache key
            $cacheKey = $authUri
                ? $this->getFullCacheKey($authUri)
                : $this->fetcher->getCacheKey();

            $this->setCachedValue($cacheKey, $authToken);
        }
    }
}
PK     ¦ˆU]í(ÿW1
  1
  %  vendor/google/auth/src/CacheTrait.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Psr\Cache\CacheItemPoolInterface;

trait CacheTrait
{
    /**
     * @var int
     */
    private $maxKeyLength = 64;

    /**
     * @var array<mixed>
     */
    private $cacheConfig;

    /**
     * @var ?CacheItemPoolInterface
     */
    private $cache;

    /**
     * Gets the cached value if it is present in the cache when that is
     * available.
     *
     * @param mixed $k
     *
     * @return mixed
     */
    private function getCachedValue($k)
    {
        if (is_null($this->cache)) {
            return null;
        }

        $key = $this->getFullCacheKey($k);
        if (is_null($key)) {
            return null;
        }

        $cacheItem = $this->cache->getItem($key);
        if ($cacheItem->isHit()) {
            return $cacheItem->get();
        }
    }

    /**
     * Saves the value in the cache when that is available.
     *
     * @param mixed $k
     * @param mixed $v
     * @return mixed
     */
    private function setCachedValue($k, $v)
    {
        if (is_null($this->cache)) {
            return null;
        }

        $key = $this->getFullCacheKey($k);
        if (is_null($key)) {
            return null;
        }

        $cacheItem = $this->cache->getItem($key);
        $cacheItem->set($v);
        $cacheItem->expiresAfter($this->cacheConfig['lifetime']);
        return $this->cache->save($cacheItem);
    }

    /**
     * @param null|string $key
     * @return null|string
     */
    private function getFullCacheKey($key)
    {
        if (is_null($key)) {
            return null;
        }

        $key = $this->cacheConfig['prefix'] . $key;

        // ensure we do not have illegal characters
        $key = preg_replace('|[^a-zA-Z0-9_\.!]|', '', $key);

        // Hash keys if they exceed $maxKeyLength (defaults to 64)
        if ($this->maxKeyLength && strlen($key) > $this->maxKeyLength) {
            $key = substr(hash('sha256', $key), 0, $this->maxKeyLength);
        }

        return $key;
    }
}
PK     §ˆU]ø…b4%  %  ,  vendor/google/auth/src/CredentialsLoader.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Google\Auth\Credentials\InsecureCredentials;
use Google\Auth\Credentials\ServiceAccountCredentials;
use Google\Auth\Credentials\UserRefreshCredentials;
use RuntimeException;
use UnexpectedValueException;

/**
 * CredentialsLoader contains the behaviour used to locate and find default
 * credentials files on the file system.
 */
abstract class CredentialsLoader implements
    FetchAuthTokenInterface,
    UpdateMetadataInterface
{
    const TOKEN_CREDENTIAL_URI = 'https://oauth2.googleapis.com/token';
    const ENV_VAR = 'GOOGLE_APPLICATION_CREDENTIALS';
    const WELL_KNOWN_PATH = 'gcloud/application_default_credentials.json';
    const NON_WINDOWS_WELL_KNOWN_PATH_BASE = '.config';
    const MTLS_WELL_KNOWN_PATH = '.secureConnect/context_aware_metadata.json';
    const MTLS_CERT_ENV_VAR = 'GOOGLE_API_USE_CLIENT_CERTIFICATE';

    /**
     * @param string $cause
     * @return string
     */
    private static function unableToReadEnv($cause)
    {
        $msg = 'Unable to read the credential file specified by ';
        $msg .= ' GOOGLE_APPLICATION_CREDENTIALS: ';
        $msg .= $cause;

        return $msg;
    }

    /**
     * @return bool
     */
    private static function isOnWindows()
    {
        return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
    }

    /**
     * Load a JSON key from the path specified in the environment.
     *
     * Load a JSON key from the path specified in the environment
     * variable GOOGLE_APPLICATION_CREDENTIALS. Return null if
     * GOOGLE_APPLICATION_CREDENTIALS is not specified.
     *
     * @return array<mixed>|null JSON key | null
     */
    public static function fromEnv()
    {
        $path = getenv(self::ENV_VAR);
        if (empty($path)) {
            return null;
        }
        if (!file_exists($path)) {
            $cause = 'file ' . $path . ' does not exist';
            throw new \DomainException(self::unableToReadEnv($cause));
        }
        $jsonKey = file_get_contents($path);
        return json_decode((string) $jsonKey, true);
    }

    /**
     * Load a JSON key from a well known path.
     *
     * The well known path is OS dependent:
     *
     * * windows: %APPDATA%/gcloud/application_default_credentials.json
     * * others: $HOME/.config/gcloud/application_default_credentials.json
     *
     * If the file does not exist, this returns null.
     *
     * @return array<mixed>|null JSON key | null
     */
    public static function fromWellKnownFile()
    {
        $rootEnv = self::isOnWindows() ? 'APPDATA' : 'HOME';
        $path = [getenv($rootEnv)];
        if (!self::isOnWindows()) {
            $path[] = self::NON_WINDOWS_WELL_KNOWN_PATH_BASE;
        }
        $path[] = self::WELL_KNOWN_PATH;
        $path = implode(DIRECTORY_SEPARATOR, $path);
        if (!file_exists($path)) {
            return null;
        }
        $jsonKey = file_get_contents($path);
        return json_decode((string) $jsonKey, true);
    }

    /**
     * Create a new Credentials instance.
     *
     * @param string|string[] $scope the scope of the access request, expressed
     *        either as an Array or as a space-delimited String.
     * @param array<mixed> $jsonKey the JSON credentials.
     * @param string|string[] $defaultScope The default scope to use if no
     *   user-defined scopes exist, expressed either as an Array or as a
     *   space-delimited string.
     *
     * @return ServiceAccountCredentials|UserRefreshCredentials
     */
    public static function makeCredentials(
        $scope,
        array $jsonKey,
        $defaultScope = null
    ) {
        if (!array_key_exists('type', $jsonKey)) {
            throw new \InvalidArgumentException('json key is missing the type field');
        }

        if ($jsonKey['type'] == 'service_account') {
            // Do not pass $defaultScope to ServiceAccountCredentials
            return new ServiceAccountCredentials($scope, $jsonKey);
        }

        if ($jsonKey['type'] == 'authorized_user') {
            $anyScope = $scope ?: $defaultScope;
            return new UserRefreshCredentials($anyScope, $jsonKey);
        }

        throw new \InvalidArgumentException('invalid value in the type field');
    }

    /**
     * Create an authorized HTTP Client from an instance of FetchAuthTokenInterface.
     *
     * @param FetchAuthTokenInterface $fetcher is used to fetch the auth token
     * @param array<mixed> $httpClientOptions (optional) Array of request options to apply.
     * @param callable $httpHandler (optional) http client to fetch the token.
     * @param callable $tokenCallback (optional) function to be called when a new token is fetched.
     * @return \GuzzleHttp\Client
     */
    public static function makeHttpClient(
        FetchAuthTokenInterface $fetcher,
        array $httpClientOptions = [],
        callable $httpHandler = null,
        callable $tokenCallback = null
    ) {
        $middleware = new Middleware\AuthTokenMiddleware(
            $fetcher,
            $httpHandler,
            $tokenCallback
        );
        $stack = \GuzzleHttp\HandlerStack::create();
        $stack->push($middleware);

        return new \GuzzleHttp\Client([
            'handler' => $stack,
            'auth' => 'google_auth',
        ] + $httpClientOptions);
    }

    /**
     * Create a new instance of InsecureCredentials.
     *
     * @return InsecureCredentials
     */
    public static function makeInsecureCredentials()
    {
        return new InsecureCredentials();
    }

    /**
     * export a callback function which updates runtime metadata.
     *
     * @return callable updateMetadata function
     * @deprecated
     */
    public function getUpdateMetadataFunc()
    {
        return array($this, 'updateMetadata');
    }

    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     */
    public function updateMetadata(
        $metadata,
        $authUri = null,
        callable $httpHandler = null
    ) {
        if (isset($metadata[self::AUTH_METADATA_KEY])) {
            // Auth metadata has already been set
            return $metadata;
        }
        $result = $this->fetchAuthToken($httpHandler);
        if (!isset($result['access_token'])) {
            return $metadata;
        }
        $metadata_copy = $metadata;
        $metadata_copy[self::AUTH_METADATA_KEY] = array('Bearer ' . $result['access_token']);

        return $metadata_copy;
    }

    /**
     * Gets a callable which returns the default device certification.
     *
     * @throws UnexpectedValueException
     * @return callable|null
     */
    public static function getDefaultClientCertSource()
    {
        if (!$clientCertSourceJson = self::loadDefaultClientCertSourceFile()) {
            return null;
        }
        $clientCertSourceCmd = $clientCertSourceJson['cert_provider_command'];

        return function () use ($clientCertSourceCmd) {
            $cmd = array_map('escapeshellarg', $clientCertSourceCmd);
            exec(implode(' ', $cmd), $output, $returnVar);

            if (0 === $returnVar) {
                return implode(PHP_EOL, $output);
            }
            throw new RuntimeException(
                '"cert_provider_command" failed with a nonzero exit code'
            );
        };
    }

    /**
     * Determines whether or not the default device certificate should be loaded.
     *
     * @return bool
     */
    public static function shouldLoadClientCertSource()
    {
        return filter_var(getenv(self::MTLS_CERT_ENV_VAR), FILTER_VALIDATE_BOOLEAN);
    }

    /**
     * @return array{cert_provider_command:string[]}|null
     */
    private static function loadDefaultClientCertSourceFile()
    {
        $rootEnv = self::isOnWindows() ? 'APPDATA' : 'HOME';
        $path = sprintf('%s/%s', getenv($rootEnv), self::MTLS_WELL_KNOWN_PATH);
        if (!file_exists($path)) {
            return null;
        }
        $jsonKey = file_get_contents($path);
        $clientCertSourceJson = json_decode((string) $jsonKey, true);
        if (!$clientCertSourceJson) {
            throw new UnexpectedValueException('Invalid client cert source JSON');
        }
        if (!isset($clientCertSourceJson['cert_provider_command'])) {
            throw new UnexpectedValueException(
                'cert source requires "cert_provider_command"'
            );
        }
        if (!is_array($clientCertSourceJson['cert_provider_command'])) {
            throw new UnexpectedValueException(
                'cert source expects "cert_provider_command" to be an array'
            );
        }
        return $clientCertSourceJson;
    }
}
PK     §ˆU]ÌpfZ9	  9	  #  vendor/google/auth/src/GCECache.phpnu „[µü¤        <?php
/*
 * Copyright 2020 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Google\Auth\Credentials\GCECredentials;
use Psr\Cache\CacheItemPoolInterface;

/**
 * A class to implement caching for calls to GCECredentials::onGce. This class
 * is used automatically when you pass a `Psr\Cache\CacheItemPoolInterface`
 * cache object to `ApplicationDefaultCredentials::getCredentials`.
 *
 * ```
 * $sysvCache = new Google\Auth\SysvCacheItemPool();
 * $creds = Google\Auth\ApplicationDefaultCredentials::getCredentials(
 *     $scope,
 *     null,
 *     null,
 *     $sysvCache
 * );
 * ```
 */
class GCECache
{
    const GCE_CACHE_KEY = 'google_auth_on_gce_cache';

    use CacheTrait;

    /**
     * @param array<mixed> $cacheConfig Configuration for the cache
     * @param CacheItemPoolInterface $cache
     */
    public function __construct(
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $this->cache = $cache;
        $this->cacheConfig = array_merge([
            'lifetime' => 1500,
            'prefix' => '',
        ], (array) $cacheConfig);
    }

    /**
     * Caches the result of onGce so the metadata server is not called multiple
     * times.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return bool True if this a GCEInstance, false otherwise
     */
    public function onGce(callable $httpHandler = null)
    {
        if (is_null($this->cache)) {
            return GCECredentials::onGce($httpHandler);
        }

        $cacheKey = self::GCE_CACHE_KEY;
        $onGce = $this->getCachedValue($cacheKey);

        if (is_null($onGce)) {
            $onGce = GCECredentials::onGce($httpHandler);
            $this->setCachedValue($cacheKey, $onGce);
        }

        return $onGce;
    }
}
PK     §ˆU]R`éx    9  vendor/google/auth/src/HttpHandler/HttpHandlerFactory.phpnu „[µü¤        <?php
/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Google\Auth\HttpHandler;

use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;

class HttpHandlerFactory
{
    /**
     * Builds out a default http handler for the installed version of guzzle.
     *
     * @param ClientInterface $client
     * @return Guzzle5HttpHandler|Guzzle6HttpHandler|Guzzle7HttpHandler
     * @throws \Exception
     */
    public static function build(ClientInterface $client = null)
    {
        $client = $client ?: new Client();

        $version = null;
        if (defined('GuzzleHttp\ClientInterface::MAJOR_VERSION')) {
            $version = ClientInterface::MAJOR_VERSION;
        } elseif (defined('GuzzleHttp\ClientInterface::VERSION')) {
            /** @phpstan-ignore-next-line */
            $version = (int) substr(ClientInterface::VERSION, 0, 1);
        }

        switch ($version) {
            case 5:
                return new Guzzle5HttpHandler($client);
            case 6:
                return new Guzzle6HttpHandler($client);
            case 7:
                return new Guzzle7HttpHandler($client);
            default:
                throw new \Exception('Version not supported');
        }
    }
}
PK     §ˆU]¬gÀÿò  ò  9  vendor/google/auth/src/HttpHandler/Guzzle6HttpHandler.phpnu „[µü¤        <?php
/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Google\Auth\HttpHandler;

use GuzzleHttp\ClientInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

class Guzzle6HttpHandler
{
    /**
     * @var ClientInterface
     */
    private $client;

    /**
     * @param ClientInterface $client
     */
    public function __construct(ClientInterface $client)
    {
        $this->client = $client;
    }

    /**
     * Accepts a PSR-7 request and an array of options and returns a PSR-7 response.
     *
     * @param RequestInterface $request
     * @param array<mixed> $options
     * @return ResponseInterface
     */
    public function __invoke(RequestInterface $request, array $options = [])
    {
        return $this->client->send($request, $options);
    }

    /**
     * Accepts a PSR-7 request and an array of options and returns a PromiseInterface
     *
     * @param RequestInterface $request
     * @param array<mixed> $options
     *
     * @return \GuzzleHttp\Promise\PromiseInterface
     */
    public function async(RequestInterface $request, array $options = [])
    {
        return $this->client->sendAsync($request, $options);
    }
}
PK     §ˆU]3<¹"  "  9  vendor/google/auth/src/HttpHandler/Guzzle5HttpHandler.phpnu „[µü¤        <?php
/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Google\Auth\HttpHandler;

use Exception;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Message\ResponseInterface as Guzzle5ResponseInterface;
use GuzzleHttp\Promise\Promise;
use GuzzleHttp\Promise\RejectedPromise;
use GuzzleHttp\Psr7\Response;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * @deprecated
 */
class Guzzle5HttpHandler
{
    /**
     * @var ClientInterface
     */
    private $client;

    /**
     * @param ClientInterface $client
     */
    public function __construct(ClientInterface $client)
    {
        $this->client = $client;
    }

    /**
     * Accepts a PSR-7 Request and an array of options and returns a PSR-7 response.
     *
     * @param RequestInterface $request
     * @param array $options
     * @return ResponseInterface
     */
    public function __invoke(RequestInterface $request, array $options = [])
    {
        $response = $this->client->send(
            $this->createGuzzle5Request($request, $options)
        );

        return $this->createPsr7Response($response);
    }

    /**
     * Accepts a PSR-7 request and an array of options and returns a PromiseInterface
     *
     * @param RequestInterface $request
     * @param array $options
     * @return Promise
     */
    public function async(RequestInterface $request, array $options = [])
    {
        if (!class_exists('GuzzleHttp\Promise\Promise')) {
            throw new Exception('Install guzzlehttp/promises to use async with Guzzle 5');
        }

        $futureResponse = $this->client->send(
            $this->createGuzzle5Request(
                $request,
                ['future' => true] + $options
            )
        );

        $promise = new Promise(
            function () use ($futureResponse) {
                try {
                    $futureResponse->wait();
                } catch (Exception $e) {
                    // The promise is already delivered when the exception is
                    // thrown, so don't rethrow it.
                }
            },
            [$futureResponse, 'cancel']
        );

        $futureResponse->then([$promise, 'resolve'], [$promise, 'reject']);

        return $promise->then(
            function (Guzzle5ResponseInterface $response) {
                // Adapt the Guzzle 5 Response to a PSR-7 Response.
                return $this->createPsr7Response($response);
            },
            function (Exception $e) {
                return new RejectedPromise($e);
            }
        );
    }

    private function createGuzzle5Request(RequestInterface $request, array $options)
    {
        return $this->client->createRequest(
            $request->getMethod(),
            $request->getUri(),
            array_merge_recursive([
                'headers' => $request->getHeaders(),
                'body' => $request->getBody(),
            ], $options)
        );
    }

    private function createPsr7Response(Guzzle5ResponseInterface $response)
    {
        return new Response(
            $response->getStatusCode(),
            $response->getHeaders() ?: [],
            $response->getBody(),
            $response->getProtocolVersion(),
            $response->getReasonPhrase()
        );
    }
}
PK     §ˆU]ªyð/O  O  6  vendor/google/auth/src/HttpHandler/HttpClientCache.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\HttpHandler;

use GuzzleHttp\ClientInterface;

/**
 * Stores an HTTP Client in order to prevent multiple instantiations.
 */
class HttpClientCache
{
    /**
     * @var ClientInterface|null
     */
    private static $httpClient;

    /**
     * Cache an HTTP Client for later calls.
     *
     * Passing null will unset the cached client.
     *
     * @param ClientInterface|null $client
     * @return void
     */
    public static function setHttpClient(ClientInterface $client = null)
    {
        self::$httpClient = $client;
    }

    /**
     * Get the stored HTTP Client, or null.
     *
     * @return ClientInterface|null
     */
    public static function getHttpClient()
    {
        return self::$httpClient;
    }
}
PK     §ˆU]�ò“¶  ¶  9  vendor/google/auth/src/HttpHandler/Guzzle7HttpHandler.phpnu „[µü¤        <?php
/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Google\Auth\HttpHandler;

class Guzzle7HttpHandler extends Guzzle6HttpHandler
{
}
PK     ¨ˆU]/º+uû  û  ,  vendor/google/auth/src/SignBlobInterface.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

/**
 * Describes a class which supports signing arbitrary strings.
 */
interface SignBlobInterface extends FetchAuthTokenInterface
{
    /**
     * Sign a string using the method which is best for a given credentials type.
     *
     * @param string $stringToSign The string to sign.
     * @param bool $forceOpenssl Require use of OpenSSL for local signing. Does
     *        not apply to signing done using external services. **Defaults to**
     *        `false`.
     * @return string The resulting signature. Value should be base64-encoded.
     */
    public function signBlob($stringToSign, $forceOpenssl = false);

    /**
     * Returns the current Client Name.
     *
     * @param callable $httpHandler callback which delivers psr7 request, if
     *     one is required to obtain a client name.
     * @return string
     */
    public function getClientName(callable $httpHandler = null);
}
PK     ¨ˆU]#©Ù¬	*  	*  @  vendor/google/auth/src/Credentials/ServiceAccountCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

use Google\Auth\CredentialsLoader;
use Google\Auth\GetQuotaProjectInterface;
use Google\Auth\OAuth2;
use Google\Auth\ProjectIdProviderInterface;
use Google\Auth\ServiceAccountSignerTrait;
use Google\Auth\SignBlobInterface;
use InvalidArgumentException;

/**
 * ServiceAccountCredentials supports authorization using a Google service
 * account.
 *
 * (cf https://developers.google.com/accounts/docs/OAuth2ServiceAccount)
 *
 * It's initialized using the json key file that's downloadable from developer
 * console, which should contain a private_key and client_email fields that it
 * uses.
 *
 * Use it with AuthTokenMiddleware to authorize http requests:
 *
 *   use Google\Auth\Credentials\ServiceAccountCredentials;
 *   use Google\Auth\Middleware\AuthTokenMiddleware;
 *   use GuzzleHttp\Client;
 *   use GuzzleHttp\HandlerStack;
 *
 *   $sa = new ServiceAccountCredentials(
 *       'https://www.googleapis.com/auth/taskqueue',
 *       '/path/to/your/json/key_file.json'
 *   );
 *   $middleware = new AuthTokenMiddleware($sa);
 *   $stack = HandlerStack::create();
 *   $stack->push($middleware);
 *
 *   $client = new Client([
 *       'handler' => $stack,
 *       'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
 *       'auth' => 'google_auth' // authorize all requests
 *   ]);
 *
 *   $res = $client->get('myproject/taskqueues/myqueue');
 */
class ServiceAccountCredentials extends CredentialsLoader implements
    GetQuotaProjectInterface,
    SignBlobInterface,
    ProjectIdProviderInterface
{
    use ServiceAccountSignerTrait;

    /**
     * The OAuth2 instance used to conduct authorization.
     *
     * @var OAuth2
     */
    protected $auth;

    /**
     * The quota project associated with the JSON credentials
     *
     * @var string
     */
    protected $quotaProject;

    /**
     * @var string|null
     */
    protected $projectId;

    /**
     * @var array<mixed>|null
     */
    private $lastReceivedJwtAccessToken;

    /**
     * @var bool
     */
    private $useJwtAccessWithScope = false;

    /**
     * @var ServiceAccountJwtAccessCredentials|null
     */
    private $jwtAccessCredentials;

    /**
     * Create a new ServiceAccountCredentials.
     *
     * @param string|string[]|null $scope the scope of the access request, expressed
     *   either as an Array or as a space-delimited String.
     * @param string|array<mixed> $jsonKey JSON credential file path or JSON credentials
     *   as an associative array
     * @param string $sub an email address account to impersonate, in situations when
     *   the service account has been delegated domain wide access.
     * @param string $targetAudience The audience for the ID token.
     */
    public function __construct(
        $scope,
        $jsonKey,
        $sub = null,
        $targetAudience = null
    ) {
        if (is_string($jsonKey)) {
            if (!file_exists($jsonKey)) {
                throw new \InvalidArgumentException('file does not exist');
            }
            $jsonKeyStream = file_get_contents($jsonKey);
            if (!$jsonKey = json_decode((string) $jsonKeyStream, true)) {
                throw new \LogicException('invalid json for auth config');
            }
        }
        if (!array_key_exists('client_email', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the client_email field'
            );
        }
        if (!array_key_exists('private_key', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the private_key field'
            );
        }
        if (array_key_exists('quota_project_id', $jsonKey)) {
            $this->quotaProject = (string) $jsonKey['quota_project_id'];
        }
        if ($scope && $targetAudience) {
            throw new InvalidArgumentException(
                'Scope and targetAudience cannot both be supplied'
            );
        }
        $additionalClaims = [];
        if ($targetAudience) {
            $additionalClaims = ['target_audience' => $targetAudience];
        }
        $this->auth = new OAuth2([
            'audience' => self::TOKEN_CREDENTIAL_URI,
            'issuer' => $jsonKey['client_email'],
            'scope' => $scope,
            'signingAlgorithm' => 'RS256',
            'signingKey' => $jsonKey['private_key'],
            'sub' => $sub,
            'tokenCredentialUri' => self::TOKEN_CREDENTIAL_URI,
            'additionalClaims' => $additionalClaims,
        ]);

        $this->projectId = isset($jsonKey['project_id'])
            ? $jsonKey['project_id']
            : null;
    }

    /**
     * When called, the ServiceAccountCredentials will use an instance of
     * ServiceAccountJwtAccessCredentials to fetch (self-sign) an access token
     * even when only scopes are supplied. Otherwise,
     * ServiceAccountJwtAccessCredentials is only called when no scopes and an
     * authUrl (audience) is suppled.
     *
     * @return void
     */
    public function useJwtAccessWithScope()
    {
        $this->useJwtAccessWithScope = true;
    }

    /**
     * @param callable $httpHandler
     *
     * @return array<mixed> {
     *     A set of auth related metadata, containing the following
     *
     *     @type string $access_token
     *     @type int $expires_in
     *     @type string $token_type
     * }
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        if ($this->useSelfSignedJwt()) {
            $jwtCreds = $this->createJwtAccessCredentials();

            $accessToken = $jwtCreds->fetchAuthToken($httpHandler);

            if ($lastReceivedToken = $jwtCreds->getLastReceivedToken()) {
                // Keep self-signed JWTs in memory as the last received token
                $this->lastReceivedJwtAccessToken = $lastReceivedToken;
            }

            return $accessToken;
        }
        return $this->auth->fetchAuthToken($httpHandler);
    }

    /**
     * @return string
     */
    public function getCacheKey()
    {
        $key = $this->auth->getIssuer() . ':' . $this->auth->getCacheKey();
        if ($sub = $this->auth->getSub()) {
            $key .= ':' . $sub;
        }

        return $key;
    }

    /**
     * @return array<mixed>
     */
    public function getLastReceivedToken()
    {
        // If self-signed JWTs are being used, fetch the last received token
        // from memory. Else, fetch it from OAuth2
        return $this->useSelfSignedJwt()
            ? $this->lastReceivedJwtAccessToken
            : $this->auth->getLastReceivedToken();
    }

    /**
     * Get the project ID from the service account keyfile.
     *
     * Returns null if the project ID does not exist in the keyfile.
     *
     * @param callable $httpHandler Not used by this credentials type.
     * @return string|null
     */
    public function getProjectId(callable $httpHandler = null)
    {
        return $this->projectId;
    }

    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     */
    public function updateMetadata(
        $metadata,
        $authUri = null,
        callable $httpHandler = null
    ) {
        // scope exists. use oauth implementation
        if (!$this->useSelfSignedJwt()) {
            return parent::updateMetadata($metadata, $authUri, $httpHandler);
        }

        $jwtCreds = $this->createJwtAccessCredentials();
        if ($this->auth->getScope()) {
            // Prefer user-provided "scope" to "audience"
            $updatedMetadata = $jwtCreds->updateMetadata($metadata, null, $httpHandler);
        } else {
            $updatedMetadata = $jwtCreds->updateMetadata($metadata, $authUri, $httpHandler);
        }

        if ($lastReceivedToken = $jwtCreds->getLastReceivedToken()) {
            // Keep self-signed JWTs in memory as the last received token
            $this->lastReceivedJwtAccessToken = $lastReceivedToken;
        }

        return $updatedMetadata;
    }

    /**
     * @return ServiceAccountJwtAccessCredentials
     */
    private function createJwtAccessCredentials()
    {
        if (!$this->jwtAccessCredentials) {
            // Create credentials for self-signing a JWT (JwtAccess)
            $credJson = [
                'private_key' => $this->auth->getSigningKey(),
                'client_email' => $this->auth->getIssuer(),
            ];
            $this->jwtAccessCredentials = new ServiceAccountJwtAccessCredentials(
                $credJson,
                $this->auth->getScope()
            );
        }

        return $this->jwtAccessCredentials;
    }

    /**
     * @param string $sub an email address account to impersonate, in situations when
     *   the service account has been delegated domain wide access.
     * @return void
     */
    public function setSub($sub)
    {
        $this->auth->setSub($sub);
    }

    /**
     * Get the client name from the keyfile.
     *
     * In this case, it returns the keyfile's client_email key.
     *
     * @param callable $httpHandler Not used by this credentials type.
     * @return string
     */
    public function getClientName(callable $httpHandler = null)
    {
        return $this->auth->getIssuer();
    }

    /**
     * Get the quota project used for this API request
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        return $this->quotaProject;
    }

    /**
     * @return bool
     */
    private function useSelfSignedJwt()
    {
        // If claims are set, this call is for "id_tokens"
        if ($this->auth->getAdditionalClaims()) {
            return false;
        }

        // When true, ServiceAccountCredentials will always use JwtAccess for access tokens
        if ($this->useJwtAccessWithScope) {
            return true;
        }
        return is_null($this->auth->getScope());
    }
}
PK     ¨ˆU]¹/¤ÝÎ@  Î@  5  vendor/google/auth/src/Credentials/GCECredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

use Google\Auth\CredentialsLoader;
use Google\Auth\GetQuotaProjectInterface;
use Google\Auth\HttpHandler\HttpClientCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\Iam;
use Google\Auth\ProjectIdProviderInterface;
use Google\Auth\SignBlobInterface;
use GuzzleHttp\Exception\ClientException;
use GuzzleHttp\Exception\ConnectException;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Exception\ServerException;
use GuzzleHttp\Psr7\Request;
use InvalidArgumentException;

/**
 * GCECredentials supports authorization on Google Compute Engine.
 *
 * It can be used to authorize requests using the AuthTokenMiddleware, but will
 * only succeed if being run on GCE:
 *
 *   use Google\Auth\Credentials\GCECredentials;
 *   use Google\Auth\Middleware\AuthTokenMiddleware;
 *   use GuzzleHttp\Client;
 *   use GuzzleHttp\HandlerStack;
 *
 *   $gce = new GCECredentials();
 *   $middleware = new AuthTokenMiddleware($gce);
 *   $stack = HandlerStack::create();
 *   $stack->push($middleware);
 *
 *   $client = new Client([
 *      'handler' => $stack,
 *      'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
 *      'auth' => 'google_auth'
 *   ]);
 *
 *   $res = $client->get('myproject/taskqueues/myqueue');
 */
class GCECredentials extends CredentialsLoader implements
    SignBlobInterface,
    ProjectIdProviderInterface,
    GetQuotaProjectInterface
{
    // phpcs:disable
    const cacheKey = 'GOOGLE_AUTH_PHP_GCE';
    // phpcs:enable

    /**
     * The metadata IP address on appengine instances.
     *
     * The IP is used instead of the domain 'metadata' to avoid slow responses
     * when not on Compute Engine.
     */
    const METADATA_IP = '169.254.169.254';

    /**
     * The metadata path of the default token.
     */
    const TOKEN_URI_PATH = 'v1/instance/service-accounts/default/token';

    /**
     * The metadata path of the default id token.
     */
    const ID_TOKEN_URI_PATH = 'v1/instance/service-accounts/default/identity';

    /**
     * The metadata path of the client ID.
     */
    const CLIENT_ID_URI_PATH = 'v1/instance/service-accounts/default/email';

    /**
     * The metadata path of the project ID.
     */
    const PROJECT_ID_URI_PATH = 'v1/project/project-id';

    /**
     * The header whose presence indicates GCE presence.
     */
    const FLAVOR_HEADER = 'Metadata-Flavor';

    /**
     * Note: the explicit `timeout` and `tries` below is a workaround. The underlying
     * issue is that resolving an unknown host on some networks will take
     * 20-30 seconds; making this timeout short fixes the issue, but
     * could lead to false negatives in the event that we are on GCE, but
     * the metadata resolution was particularly slow. The latter case is
     * "unlikely" since the expected 4-nines time is about 0.5 seconds.
     * This allows us to limit the total ping maximum timeout to 1.5 seconds
     * for developer desktop scenarios.
     */
    const MAX_COMPUTE_PING_TRIES = 3;
    const COMPUTE_PING_CONNECTION_TIMEOUT_S = 0.5;

    /**
     * Flag used to ensure that the onGCE test is only done once;.
     *
     * @var bool
     */
    private $hasCheckedOnGce = false;

    /**
     * Flag that stores the value of the onGCE check.
     *
     * @var bool
     */
    private $isOnGce = false;

    /**
     * Result of fetchAuthToken.
     *
     * @var array<mixed>
     */
    protected $lastReceivedToken;

    /**
     * @var string|null
     */
    private $clientName;

    /**
     * @var string|null
     */
    private $projectId;

    /**
     * @var Iam|null
     */
    private $iam;

    /**
     * @var string
     */
    private $tokenUri;

    /**
     * @var string
     */
    private $targetAudience;

    /**
     * @var string|null
     */
    private $quotaProject;

    /**
     * @var string|null
     */
    private $serviceAccountIdentity;

    /**
     * @param Iam $iam [optional] An IAM instance.
     * @param string|string[] $scope [optional] the scope of the access request,
     *        expressed either as an array or as a space-delimited string.
     * @param string $targetAudience [optional] The audience for the ID token.
     * @param string $quotaProject [optional] Specifies a project to bill for access
     *   charges associated with the request.
     * @param string $serviceAccountIdentity [optional] Specify a service
     *   account identity name to use instead of "default".
     */
    public function __construct(
        Iam $iam = null,
        $scope = null,
        $targetAudience = null,
        $quotaProject = null,
        $serviceAccountIdentity = null
    ) {
        $this->iam = $iam;

        if ($scope && $targetAudience) {
            throw new InvalidArgumentException(
                'Scope and targetAudience cannot both be supplied'
            );
        }

        $tokenUri = self::getTokenUri($serviceAccountIdentity);
        if ($scope) {
            if (is_string($scope)) {
                $scope = explode(' ', $scope);
            }

            $scope = implode(',', $scope);

            $tokenUri = $tokenUri . '?scopes=' . $scope;
        } elseif ($targetAudience) {
            $tokenUri = self::getIdTokenUri($serviceAccountIdentity);
            $tokenUri = $tokenUri . '?audience=' . $targetAudience;
            $this->targetAudience = $targetAudience;
        }

        $this->tokenUri = $tokenUri;
        $this->quotaProject = $quotaProject;
        $this->serviceAccountIdentity = $serviceAccountIdentity;
    }

    /**
     * The full uri for accessing the default token.
     *
     * @param string $serviceAccountIdentity [optional] Specify a service
     *   account identity name to use instead of "default".
     * @return string
     */
    public static function getTokenUri($serviceAccountIdentity = null)
    {
        $base = 'http://' . self::METADATA_IP . '/computeMetadata/';
        $base .= self::TOKEN_URI_PATH;

        if ($serviceAccountIdentity) {
            return str_replace(
                '/default/',
                '/' . $serviceAccountIdentity . '/',
                $base
            );
        }
        return $base;
    }

    /**
     * The full uri for accessing the default service account.
     *
     * @param string $serviceAccountIdentity [optional] Specify a service
     *   account identity name to use instead of "default".
     * @return string
     */
    public static function getClientNameUri($serviceAccountIdentity = null)
    {
        $base = 'http://' . self::METADATA_IP . '/computeMetadata/';
        $base .= self::CLIENT_ID_URI_PATH;

        if ($serviceAccountIdentity) {
            return str_replace(
                '/default/',
                '/' . $serviceAccountIdentity . '/',
                $base
            );
        }

        return $base;
    }

    /**
     * The full uri for accesesing the default identity token.
     *
     * @param string $serviceAccountIdentity [optional] Specify a service
     *   account identity name to use instead of "default".
     * @return string
     */
    private static function getIdTokenUri($serviceAccountIdentity = null)
    {
        $base = 'http://' . self::METADATA_IP . '/computeMetadata/';
        $base .= self::ID_TOKEN_URI_PATH;

        if ($serviceAccountIdentity) {
            return str_replace(
                '/default/',
                '/' . $serviceAccountIdentity . '/',
                $base
            );
        }

        return $base;
    }

    /**
     * The full uri for accessing the default project ID.
     *
     * @return string
     */
    private static function getProjectIdUri()
    {
        $base = 'http://' . self::METADATA_IP . '/computeMetadata/';

        return $base . self::PROJECT_ID_URI_PATH;
    }

    /**
     * Determines if this an App Engine Flexible instance, by accessing the
     * GAE_INSTANCE environment variable.
     *
     * @return bool true if this an App Engine Flexible Instance, false otherwise
     */
    public static function onAppEngineFlexible()
    {
        return substr((string) getenv('GAE_INSTANCE'), 0, 4) === 'aef-';
    }

    /**
     * Determines if this a GCE instance, by accessing the expected metadata
     * host.
     * If $httpHandler is not specified a the default HttpHandler is used.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return bool True if this a GCEInstance, false otherwise
     */
    public static function onGce(callable $httpHandler = null)
    {
        $httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());

        $checkUri = 'http://' . self::METADATA_IP;
        for ($i = 1; $i <= self::MAX_COMPUTE_PING_TRIES; $i++) {
            try {
                // Comment from: oauth2client/client.py
                //
                // Note: the explicit `timeout` below is a workaround. The underlying
                // issue is that resolving an unknown host on some networks will take
                // 20-30 seconds; making this timeout short fixes the issue, but
                // could lead to false negatives in the event that we are on GCE, but
                // the metadata resolution was particularly slow. The latter case is
                // "unlikely".
                $resp = $httpHandler(
                    new Request(
                        'GET',
                        $checkUri,
                        [self::FLAVOR_HEADER => 'Google']
                    ),
                    ['timeout' => self::COMPUTE_PING_CONNECTION_TIMEOUT_S]
                );

                return $resp->getHeaderLine(self::FLAVOR_HEADER) == 'Google';
            } catch (ClientException $e) {
            } catch (ServerException $e) {
            } catch (RequestException $e) {
            } catch (ConnectException $e) {
            }
        }
        return false;
    }

    /**
     * Implements FetchAuthTokenInterface#fetchAuthToken.
     *
     * Fetches the auth tokens from the GCE metadata host if it is available.
     * If $httpHandler is not specified a the default HttpHandler is used.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     *
     * @return array<mixed> {
     *     A set of auth related metadata, based on the token type.
     *
     *     @type string $access_token for access tokens
     *     @type int    $expires_in   for access tokens
     *     @type string $token_type   for access tokens
     *     @type string $id_token     for ID tokens
     * }
     * @throws \Exception
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        $httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());

        if (!$this->hasCheckedOnGce) {
            $this->isOnGce = self::onGce($httpHandler);
            $this->hasCheckedOnGce = true;
        }
        if (!$this->isOnGce) {
            return array();  // return an empty array with no access token
        }

        $response = $this->getFromMetadata($httpHandler, $this->tokenUri);

        if ($this->targetAudience) {
            return ['id_token' => $response];
        }

        if (null === $json = json_decode($response, true)) {
            throw new \Exception('Invalid JSON response');
        }

        $json['expires_at'] = time() + $json['expires_in'];

        // store this so we can retrieve it later
        $this->lastReceivedToken = $json;

        return $json;
    }

    /**
     * @return string
     */
    public function getCacheKey()
    {
        return self::cacheKey;
    }

    /**
     * @return array{access_token:string,expires_at:int}|null
     */
    public function getLastReceivedToken()
    {
        if ($this->lastReceivedToken) {
            return [
                'access_token' => $this->lastReceivedToken['access_token'],
                'expires_at' => $this->lastReceivedToken['expires_at'],
            ];
        }

        return null;
    }

    /**
     * Get the client name from GCE metadata.
     *
     * Subsequent calls will return a cached value.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return string
     */
    public function getClientName(callable $httpHandler = null)
    {
        if ($this->clientName) {
            return $this->clientName;
        }

        $httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());

        if (!$this->hasCheckedOnGce) {
            $this->isOnGce = self::onGce($httpHandler);
            $this->hasCheckedOnGce = true;
        }

        if (!$this->isOnGce) {
            return '';
        }

        $this->clientName = $this->getFromMetadata(
            $httpHandler,
            self::getClientNameUri($this->serviceAccountIdentity)
        );

        return $this->clientName;
    }

    /**
     * Sign a string using the default service account private key.
     *
     * This implementation uses IAM's signBlob API.
     *
     * @see https://cloud.google.com/iam/credentials/reference/rest/v1/projects.serviceAccounts/signBlob SignBlob
     *
     * @param string $stringToSign The string to sign.
     * @param bool $forceOpenSsl [optional] Does not apply to this credentials
     *        type.
     * @param string $accessToken The access token to use to sign the blob. If
     *        provided, saves a call to the metadata server for a new access
     *        token. **Defaults to** `null`.
     * @return string
     */
    public function signBlob($stringToSign, $forceOpenSsl = false, $accessToken = null)
    {
        $httpHandler = HttpHandlerFactory::build(HttpClientCache::getHttpClient());

        // Providing a signer is useful for testing, but it's undocumented
        // because it's not something a user would generally need to do.
        $signer = $this->iam ?: new Iam($httpHandler);

        $email = $this->getClientName($httpHandler);

        if (is_null($accessToken)) {
            $previousToken = $this->getLastReceivedToken();
            $accessToken = $previousToken
                ? $previousToken['access_token']
                : $this->fetchAuthToken($httpHandler)['access_token'];
        }

        return $signer->signBlob($email, $accessToken, $stringToSign);
    }

    /**
     * Fetch the default Project ID from compute engine.
     *
     * Returns null if called outside GCE.
     *
     * @param callable $httpHandler Callback which delivers psr7 request
     * @return string|null
     */
    public function getProjectId(callable $httpHandler = null)
    {
        if ($this->projectId) {
            return $this->projectId;
        }

        $httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());

        if (!$this->hasCheckedOnGce) {
            $this->isOnGce = self::onGce($httpHandler);
            $this->hasCheckedOnGce = true;
        }

        if (!$this->isOnGce) {
            return null;
        }

        $this->projectId = $this->getFromMetadata($httpHandler, self::getProjectIdUri());
        return $this->projectId;
    }

    /**
     * Fetch the value of a GCE metadata server URI.
     *
     * @param callable $httpHandler An HTTP Handler to deliver PSR7 requests.
     * @param string $uri The metadata URI.
     * @return string
     */
    private function getFromMetadata(callable $httpHandler, $uri)
    {
        $resp = $httpHandler(
            new Request(
                'GET',
                $uri,
                [self::FLAVOR_HEADER => 'Google']
            )
        );

        return (string) $resp->getBody();
    }

    /**
     * Get the quota project used for this API request
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        return $this->quotaProject;
    }
}
PK     ¨ˆU]ÝóGÛ¡  ¡  =  vendor/google/auth/src/Credentials/UserRefreshCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

use Google\Auth\CredentialsLoader;
use Google\Auth\GetQuotaProjectInterface;
use Google\Auth\OAuth2;

/**
 * Authenticates requests using User Refresh credentials.
 *
 * This class allows authorizing requests from user refresh tokens.
 *
 * This the end of the result of a 3LO flow.  E.g, the end result of
 * 'gcloud auth login' saves a file with these contents in well known
 * location
 *
 * @see [Application Default Credentials](http://goo.gl/mkAHpZ)
 */
class UserRefreshCredentials extends CredentialsLoader implements GetQuotaProjectInterface
{
    /**
     * The OAuth2 instance used to conduct authorization.
     *
     * @var OAuth2
     */
    protected $auth;

    /**
     * The quota project associated with the JSON credentials
     *
     * @var string
     */
    protected $quotaProject;

    /**
     * Create a new UserRefreshCredentials.
     *
     * @param string|string[] $scope the scope of the access request, expressed
     *   either as an Array or as a space-delimited String.
     * @param string|array<mixed> $jsonKey JSON credential file path or JSON credentials
     *   as an associative array
     */
    public function __construct(
        $scope,
        $jsonKey
    ) {
        if (is_string($jsonKey)) {
            if (!file_exists($jsonKey)) {
                throw new \InvalidArgumentException('file does not exist');
            }
            $json = file_get_contents($jsonKey);
            if (!$jsonKey = json_decode((string) $json, true)) {
                throw new \LogicException('invalid json for auth config');
            }
        }
        if (!array_key_exists('client_id', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the client_id field'
            );
        }
        if (!array_key_exists('client_secret', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the client_secret field'
            );
        }
        if (!array_key_exists('refresh_token', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the refresh_token field'
            );
        }
        $this->auth = new OAuth2([
            'clientId' => $jsonKey['client_id'],
            'clientSecret' => $jsonKey['client_secret'],
            'refresh_token' => $jsonKey['refresh_token'],
            'scope' => $scope,
            'tokenCredentialUri' => self::TOKEN_CREDENTIAL_URI,
        ]);
        if (array_key_exists('quota_project_id', $jsonKey)) {
            $this->quotaProject = (string) $jsonKey['quota_project_id'];
        }
    }

    /**
     * @param callable $httpHandler
     *
     * @return array<mixed> {
     *     A set of auth related metadata, containing the following
     *
     *     @type string $access_token
     *     @type int $expires_in
     *     @type string $scope
     *     @type string $token_type
     *     @type string $id_token
     * }
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        return $this->auth->fetchAuthToken($httpHandler);
    }

    /**
     * @return string
     */
    public function getCacheKey()
    {
        return $this->auth->getClientId() . ':' . $this->auth->getCacheKey();
    }

    /**
     * @return array<mixed>
     */
    public function getLastReceivedToken()
    {
        return $this->auth->getLastReceivedToken();
    }

    /**
     * Get the quota project used for this API request
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        return $this->quotaProject;
    }
}
PK     ¨ˆU]•·1/  /  :  vendor/google/auth/src/Credentials/InsecureCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

use Google\Auth\FetchAuthTokenInterface;

/**
 * Provides a set of credentials that will always return an empty access token.
 * This is useful for APIs which do not require authentication, for local
 * service emulators, and for testing.
 */
class InsecureCredentials implements FetchAuthTokenInterface
{
    /**
     * @var array{access_token:string}
     */
    private $token = [
        'access_token' => ''
    ];

    /**
     * Fetches the auth token. In this case it returns an empty string.
     *
     * @param callable $httpHandler
     * @return array{access_token:string} A set of auth related metadata
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        return $this->token;
    }

    /**
     * Returns the cache key. In this case it returns a null value, disabling
     * caching.
     *
     * @return string|null
     */
    public function getCacheKey()
    {
        return null;
    }

    /**
     * Fetches the last received token. In this case, it returns the same empty string
     * auth token.
     *
     * @return array{access_token:string}
     */
    public function getLastReceivedToken()
    {
        return $this->token;
    }
}
PK     ©ˆU]wjçàÌ	  Ì	  5  vendor/google/auth/src/Credentials/IAMCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

/**
 * Authenticates requests using IAM credentials.
 */
class IAMCredentials
{
    const SELECTOR_KEY = 'x-goog-iam-authority-selector';
    const TOKEN_KEY = 'x-goog-iam-authorization-token';

    /**
     * @var string
     */
    private $selector;

    /**
     * @var string
     */
    private $token;

    /**
     * @param string $selector the IAM selector
     * @param string $token the IAM token
     */
    public function __construct($selector, $token)
    {
        if (!is_string($selector)) {
            throw new \InvalidArgumentException(
                'selector must be a string'
            );
        }
        if (!is_string($token)) {
            throw new \InvalidArgumentException(
                'token must be a string'
            );
        }

        $this->selector = $selector;
        $this->token = $token;
    }

    /**
     * export a callback function which updates runtime metadata.
     *
     * @return callable updateMetadata function
     */
    public function getUpdateMetadataFunc()
    {
        return array($this, 'updateMetadata');
    }

    /**
     * Updates metadata with the appropriate header metadata.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $unusedAuthUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     *        Note: this param is unused here, only included here for
     *        consistency with other credentials class
     *
     * @return array<mixed> updated metadata hashmap
     */
    public function updateMetadata(
        $metadata,
        $unusedAuthUri = null,
        callable $httpHandler = null
    ) {
        $metadata_copy = $metadata;
        $metadata_copy[self::SELECTOR_KEY] = $this->selector;
        $metadata_copy[self::TOKEN_KEY] = $this->token;

        return $metadata_copy;
    }
}
PK     ©ˆU]ŠÅÏ[  [  I  vendor/google/auth/src/Credentials/ServiceAccountJwtAccessCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

use Google\Auth\CredentialsLoader;
use Google\Auth\GetQuotaProjectInterface;
use Google\Auth\OAuth2;
use Google\Auth\ProjectIdProviderInterface;
use Google\Auth\ServiceAccountSignerTrait;
use Google\Auth\SignBlobInterface;

/**
 * Authenticates requests using Google's Service Account credentials via
 * JWT Access.
 *
 * This class allows authorizing requests for service accounts directly
 * from credentials from a json key file downloaded from the developer
 * console (via 'Generate new Json Key').  It is not part of any OAuth2
 * flow, rather it creates a JWT and sends that as a credential.
 */
class ServiceAccountJwtAccessCredentials extends CredentialsLoader implements
    GetQuotaProjectInterface,
    SignBlobInterface,
    ProjectIdProviderInterface
{
    use ServiceAccountSignerTrait;

    /**
     * The OAuth2 instance used to conduct authorization.
     *
     * @var OAuth2
     */
    protected $auth;

    /**
     * The quota project associated with the JSON credentials
     *
     * @var string
     */
    protected $quotaProject;

    /**
     * @var string
     */
    public $projectId;

    /**
     * Create a new ServiceAccountJwtAccessCredentials.
     *
     * @param string|array<mixed> $jsonKey JSON credential file path or JSON credentials
     *   as an associative array
     * @param string|string[] $scope the scope of the access request, expressed
     *   either as an Array or as a space-delimited String.
     */
    public function __construct($jsonKey, $scope = null)
    {
        if (is_string($jsonKey)) {
            if (!file_exists($jsonKey)) {
                throw new \InvalidArgumentException('file does not exist');
            }
            $jsonKeyStream = file_get_contents($jsonKey);
            if (!$jsonKey = json_decode((string) $jsonKeyStream, true)) {
                throw new \LogicException('invalid json for auth config');
            }
        }
        if (!array_key_exists('client_email', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the client_email field'
            );
        }
        if (!array_key_exists('private_key', $jsonKey)) {
            throw new \InvalidArgumentException(
                'json key is missing the private_key field'
            );
        }
        if (array_key_exists('quota_project_id', $jsonKey)) {
            $this->quotaProject = (string) $jsonKey['quota_project_id'];
        }
        $this->auth = new OAuth2([
            'issuer' => $jsonKey['client_email'],
            'sub' => $jsonKey['client_email'],
            'signingAlgorithm' => 'RS256',
            'signingKey' => $jsonKey['private_key'],
            'scope' => $scope,
        ]);

        $this->projectId = isset($jsonKey['project_id'])
            ? $jsonKey['project_id']
            : null;
    }

    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     */
    public function updateMetadata(
        $metadata,
        $authUri = null,
        callable $httpHandler = null
    ) {
        $scope = $this->auth->getScope();
        if (empty($authUri) && empty($scope)) {
            return $metadata;
        }

        $this->auth->setAudience($authUri);

        return parent::updateMetadata($metadata, $authUri, $httpHandler);
    }

    /**
     * Implements FetchAuthTokenInterface#fetchAuthToken.
     *
     * @param callable $httpHandler
     *
     * @return null|array{access_token:string} A set of auth related metadata
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        $audience = $this->auth->getAudience();
        $scope = $this->auth->getScope();
        if (empty($audience) && empty($scope)) {
            return null;
        }

        if (!empty($audience) && !empty($scope)) {
            throw new \UnexpectedValueException(
                'Cannot sign both audience and scope in JwtAccess'
            );
        }

        $access_token = $this->auth->toJwt();

        // Set the self-signed access token in OAuth2 for getLastReceivedToken
        $this->auth->setAccessToken($access_token);

        return ['access_token' => $access_token];
    }

    /**
     * @return string
     */
    public function getCacheKey()
    {
        return $this->auth->getCacheKey();
    }

    /**
     * @return array<mixed>
     */
    public function getLastReceivedToken()
    {
        return $this->auth->getLastReceivedToken();
    }

    /**
     * Get the project ID from the service account keyfile.
     *
     * Returns null if the project ID does not exist in the keyfile.
     *
     * @param callable $httpHandler Not used by this credentials type.
     * @return string|null
     */
    public function getProjectId(callable $httpHandler = null)
    {
        return $this->projectId;
    }

    /**
     * Get the client name from the keyfile.
     *
     * In this case, it returns the keyfile's client_email key.
     *
     * @param callable $httpHandler Not used by this credentials type.
     * @return string
     */
    public function getClientName(callable $httpHandler = null)
    {
        return $this->auth->getIssuer();
    }

    /**
     * Get the quota project used for this API request
     *
     * @return string|null
     */
    public function getQuotaProject()
    {
        return $this->quotaProject;
    }
}
PK     ©ˆU]—BT¹r  r  =  vendor/google/auth/src/Credentials/AppIdentityCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Credentials;

/*
 * The AppIdentityService class is automatically defined on App Engine,
 * so including this dependency is not necessary, and will result in a
 * PHP fatal error in the App Engine environment.
 */
use google\appengine\api\app_identity\AppIdentityService;
use Google\Auth\CredentialsLoader;
use Google\Auth\ProjectIdProviderInterface;
use Google\Auth\SignBlobInterface;

/**
 * @deprecated
 *
 * AppIdentityCredentials supports authorization on Google App Engine.
 *
 * It can be used to authorize requests using the AuthTokenMiddleware or
 * AuthTokenSubscriber, but will only succeed if being run on App Engine:
 *
 * Example:
 * ```
 * use Google\Auth\Credentials\AppIdentityCredentials;
 * use Google\Auth\Middleware\AuthTokenMiddleware;
 * use GuzzleHttp\Client;
 * use GuzzleHttp\HandlerStack;
 *
 * $gae = new AppIdentityCredentials('https://www.googleapis.com/auth/books');
 * $middleware = new AuthTokenMiddleware($gae);
 * $stack = HandlerStack::create();
 * $stack->push($middleware);
 *
 * $client = new Client([
 *     'handler' => $stack,
 *     'base_uri' => 'https://www.googleapis.com/books/v1',
 *     'auth' => 'google_auth'
 * ]);
 *
 * $res = $client->get('volumes?q=Henry+David+Thoreau&country=US');
 * ```
 */
class AppIdentityCredentials extends CredentialsLoader implements
    SignBlobInterface,
    ProjectIdProviderInterface
{
    /**
     * Result of fetchAuthToken.
     *
     * @var array<mixed>
     */
    protected $lastReceivedToken;

    /**
     * Array of OAuth2 scopes to be requested.
     *
     * @var string[]
     */
    private $scope;

    /**
     * @var string
     */
    private $clientName;

    /**
     * @param string|string[] $scope One or more scopes.
     */
    public function __construct($scope = [])
    {
        $this->scope = is_array($scope) ? $scope : explode(' ', (string) $scope);
    }

    /**
     * Determines if this an App Engine instance, by accessing the
     * SERVER_SOFTWARE environment variable (prod) or the APPENGINE_RUNTIME
     * environment variable (dev).
     *
     * @return bool true if this an App Engine Instance, false otherwise
     */
    public static function onAppEngine()
    {
        $appEngineProduction = isset($_SERVER['SERVER_SOFTWARE']) &&
            0 === strpos($_SERVER['SERVER_SOFTWARE'], 'Google App Engine');
        if ($appEngineProduction) {
            return true;
        }
        $appEngineDevAppServer = isset($_SERVER['APPENGINE_RUNTIME']) &&
            $_SERVER['APPENGINE_RUNTIME'] == 'php';
        if ($appEngineDevAppServer) {
            return true;
        }
        return false;
    }

    /**
     * Implements FetchAuthTokenInterface#fetchAuthToken.
     *
     * Fetches the auth tokens using the AppIdentityService if available.
     * As the AppIdentityService uses protobufs to fetch the access token,
     * the GuzzleHttp\ClientInterface instance passed in will not be used.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> {
     *     A set of auth related metadata, containing the following
     *
     *     @type string $access_token
     *     @type string $expiration_time
     * }
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        try {
            $this->checkAppEngineContext();
        } catch (\Exception $e) {
            return [];
        }

        /** @phpstan-ignore-next-line */
        $token = AppIdentityService::getAccessToken($this->scope);
        $this->lastReceivedToken = $token;

        return $token;
    }

    /**
     * Sign a string using AppIdentityService.
     *
     * @param string $stringToSign The string to sign.
     * @param bool $forceOpenSsl [optional] Does not apply to this credentials
     *        type.
     * @return string The signature, base64-encoded.
     * @throws \Exception If AppEngine SDK or mock is not available.
     */
    public function signBlob($stringToSign, $forceOpenSsl = false)
    {
        $this->checkAppEngineContext();

        /** @phpstan-ignore-next-line */
        return base64_encode(AppIdentityService::signForApp($stringToSign)['signature']);
    }

    /**
     * Get the project ID from AppIdentityService.
     *
     * Returns null if AppIdentityService is unavailable.
     *
     * @param callable $httpHandler Not used by this type.
     * @return string|null
     */
    public function getProjectId(callable $httpHandler = null)
    {
        try {
            $this->checkAppEngineContext();
        } catch (\Exception $e) {
            return null;
        }

        /** @phpstan-ignore-next-line */
        return AppIdentityService::getApplicationId();
    }

    /**
     * Get the client name from AppIdentityService.
     *
     * Subsequent calls to this method will return a cached value.
     *
     * @param callable $httpHandler Not used in this implementation.
     * @return string
     * @throws \Exception If AppEngine SDK or mock is not available.
     */
    public function getClientName(callable $httpHandler = null)
    {
        $this->checkAppEngineContext();

        if (!$this->clientName) {
            /** @phpstan-ignore-next-line */
            $this->clientName = AppIdentityService::getServiceAccountName();
        }

        return $this->clientName;
    }

    /**
     * @return array{access_token:string,expires_at:int}|null
     */
    public function getLastReceivedToken()
    {
        if ($this->lastReceivedToken) {
            return [
                'access_token' => $this->lastReceivedToken['access_token'],
                'expires_at' => $this->lastReceivedToken['expiration_time'],
            ];
        }

        return null;
    }

    /**
     * Caching is handled by the underlying AppIdentityService, return empty string
     * to prevent caching.
     *
     * @return string
     */
    public function getCacheKey()
    {
        return '';
    }

    /**
     * @return void
     */
    private function checkAppEngineContext()
    {
        if (!self::onAppEngine() || !class_exists('google\appengine\api\app_identity\AppIdentityService')) {
            throw new \Exception(
                'This class must be run in App Engine, or you must include the AppIdentityService '
                . 'mock class defined in tests/mocks/AppIdentityService.php'
            );
        }
    }
}
PK     ©ˆU]ÝÙÊ¬H4  H4  8  vendor/google/auth/src/ApplicationDefaultCredentials.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use DomainException;
use Google\Auth\Credentials\AppIdentityCredentials;
use Google\Auth\Credentials\GCECredentials;
use Google\Auth\Credentials\ServiceAccountCredentials;
use Google\Auth\HttpHandler\HttpClientCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\Middleware\AuthTokenMiddleware;
use Google\Auth\Middleware\ProxyAuthTokenMiddleware;
use Google\Auth\Subscriber\AuthTokenSubscriber;
use GuzzleHttp\Client;
use InvalidArgumentException;
use Psr\Cache\CacheItemPoolInterface;

/**
 * ApplicationDefaultCredentials obtains the default credentials for
 * authorizing a request to a Google service.
 *
 * Application Default Credentials are described here:
 * https://developers.google.com/accounts/docs/application-default-credentials
 *
 * This class implements the search for the application default credentials as
 * described in the link.
 *
 * It provides three factory methods:
 * - #get returns the computed credentials object
 * - #getSubscriber returns an AuthTokenSubscriber built from the credentials object
 * - #getMiddleware returns an AuthTokenMiddleware built from the credentials object
 *
 * This allows it to be used as follows with GuzzleHttp\Client:
 *
 * ```
 * use Google\Auth\ApplicationDefaultCredentials;
 * use GuzzleHttp\Client;
 * use GuzzleHttp\HandlerStack;
 *
 * $middleware = ApplicationDefaultCredentials::getMiddleware(
 *     'https://www.googleapis.com/auth/taskqueue'
 * );
 * $stack = HandlerStack::create();
 * $stack->push($middleware);
 *
 * $client = new Client([
 *     'handler' => $stack,
 *     'base_uri' => 'https://www.googleapis.com/taskqueue/v1beta2/projects/',
 *     'auth' => 'google_auth' // authorize all requests
 * ]);
 *
 * $res = $client->get('myproject/taskqueues/myqueue');
 * ```
 */
class ApplicationDefaultCredentials
{
    /**
     * @deprecated
     *
     * Obtains an AuthTokenSubscriber that uses the default FetchAuthTokenInterface
     * implementation to use in this environment.
     *
     * If supplied, $scope is used to in creating the credentials instance if
     * this does not fallback to the compute engine defaults.
     *
     * @param string|string[] $scope the scope of the access request, expressed
     *        either as an Array or as a space-delimited String.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @return AuthTokenSubscriber
     * @throws DomainException if no implementation can be obtained.
     */
    public static function getSubscriber(// @phpstan-ignore-line
        $scope = null,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $creds = self::getCredentials($scope, $httpHandler, $cacheConfig, $cache);

        /** @phpstan-ignore-next-line */
        return new AuthTokenSubscriber($creds, $httpHandler);
    }

    /**
     * Obtains an AuthTokenMiddleware that uses the default FetchAuthTokenInterface
     * implementation to use in this environment.
     *
     * If supplied, $scope is used to in creating the credentials instance if
     * this does not fallback to the compute engine defaults.
     *
     * @param string|string[] $scope the scope of the access request, expressed
     *        either as an Array or as a space-delimited String.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @param string $quotaProject specifies a project to bill for access
     *   charges associated with the request.
     * @return AuthTokenMiddleware
     * @throws DomainException if no implementation can be obtained.
     */
    public static function getMiddleware(
        $scope = null,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null,
        $quotaProject = null
    ) {
        $creds = self::getCredentials($scope, $httpHandler, $cacheConfig, $cache, $quotaProject);

        return new AuthTokenMiddleware($creds, $httpHandler);
    }

    /**
     * Obtains the default FetchAuthTokenInterface implementation to use
     * in this environment.
     *
     * @param string|string[] $scope the scope of the access request, expressed
     *        either as an Array or as a space-delimited String.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @param string $quotaProject specifies a project to bill for access
     *   charges associated with the request.
     * @param string|string[] $defaultScope The default scope to use if no
     *   user-defined scopes exist, expressed either as an Array or as a
     *   space-delimited string.
     *
     * @return FetchAuthTokenInterface
     * @throws DomainException if no implementation can be obtained.
     */
    public static function getCredentials(
        $scope = null,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null,
        $quotaProject = null,
        $defaultScope = null
    ) {
        $creds = null;
        $jsonKey = CredentialsLoader::fromEnv()
            ?: CredentialsLoader::fromWellKnownFile();
        $anyScope = $scope ?: $defaultScope;

        if (!$httpHandler) {
            if (!($client = HttpClientCache::getHttpClient())) {
                $client = new Client();
                HttpClientCache::setHttpClient($client);
            }

            $httpHandler = HttpHandlerFactory::build($client);
        }

        if (!is_null($jsonKey)) {
            if ($quotaProject) {
                $jsonKey['quota_project_id'] = $quotaProject;
            }
            $creds = CredentialsLoader::makeCredentials(
                $scope,
                $jsonKey,
                $defaultScope
            );
        } elseif (AppIdentityCredentials::onAppEngine() && !GCECredentials::onAppEngineFlexible()) {
            $creds = new AppIdentityCredentials($anyScope);
        } elseif (self::onGce($httpHandler, $cacheConfig, $cache)) {
            $creds = new GCECredentials(null, $anyScope, null, $quotaProject);
        }

        if (is_null($creds)) {
            throw new DomainException(self::notFound());
        }
        if (!is_null($cache)) {
            $creds = new FetchAuthTokenCache($creds, $cacheConfig, $cache);
        }
        return $creds;
    }

    /**
     * Obtains an AuthTokenMiddleware which will fetch an ID token to use in the
     * Authorization header. The middleware is configured with the default
     * FetchAuthTokenInterface implementation to use in this environment.
     *
     * If supplied, $targetAudience is used to set the "aud" on the resulting
     * ID token.
     *
     * @param string $targetAudience The audience for the ID token.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @return AuthTokenMiddleware
     * @throws DomainException if no implementation can be obtained.
     */
    public static function getIdTokenMiddleware(
        $targetAudience,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $creds = self::getIdTokenCredentials($targetAudience, $httpHandler, $cacheConfig, $cache);

        return new AuthTokenMiddleware($creds, $httpHandler);
    }

    /**
     * Obtains an ProxyAuthTokenMiddleware which will fetch an ID token to use in the
     * Authorization header. The middleware is configured with the default
     * FetchAuthTokenInterface implementation to use in this environment.
     *
     * If supplied, $targetAudience is used to set the "aud" on the resulting
     * ID token.
     *
     * @param string $targetAudience The audience for the ID token.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @return ProxyAuthTokenMiddleware
     * @throws DomainException if no implementation can be obtained.
     */
    public static function getProxyIdTokenMiddleware(
        $targetAudience,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $creds = self::getIdTokenCredentials($targetAudience, $httpHandler, $cacheConfig, $cache);

        return new ProxyAuthTokenMiddleware($creds, $httpHandler);
    }

    /**
     * Obtains the default FetchAuthTokenInterface implementation to use
     * in this environment, configured with a $targetAudience for fetching an ID
     * token.
     *
     * @param string $targetAudience The audience for the ID token.
     * @param callable $httpHandler callback which delivers psr7 request
     * @param array<mixed> $cacheConfig configuration for the cache when it's present
     * @param CacheItemPoolInterface $cache A cache implementation, may be
     *        provided if you have one already available for use.
     * @return FetchAuthTokenInterface
     * @throws DomainException if no implementation can be obtained.
     * @throws InvalidArgumentException if JSON "type" key is invalid
     */
    public static function getIdTokenCredentials(
        $targetAudience,
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $creds = null;
        $jsonKey = CredentialsLoader::fromEnv()
            ?: CredentialsLoader::fromWellKnownFile();

        if (!$httpHandler) {
            if (!($client = HttpClientCache::getHttpClient())) {
                $client = new Client();
                HttpClientCache::setHttpClient($client);
            }

            $httpHandler = HttpHandlerFactory::build($client);
        }

        if (!is_null($jsonKey)) {
            if (!array_key_exists('type', $jsonKey)) {
                throw new \InvalidArgumentException('json key is missing the type field');
            }

            if ($jsonKey['type'] == 'authorized_user') {
                throw new InvalidArgumentException('ID tokens are not supported for end user credentials');
            }

            if ($jsonKey['type'] != 'service_account') {
                throw new InvalidArgumentException('invalid value in the type field');
            }

            $creds = new ServiceAccountCredentials(null, $jsonKey, null, $targetAudience);
        } elseif (self::onGce($httpHandler, $cacheConfig, $cache)) {
            $creds = new GCECredentials(null, null, $targetAudience);
        }

        if (is_null($creds)) {
            throw new DomainException(self::notFound());
        }
        if (!is_null($cache)) {
            $creds = new FetchAuthTokenCache($creds, $cacheConfig, $cache);
        }
        return $creds;
    }

    /**
     * @return string
     */
    private static function notFound()
    {
        $msg = 'Could not load the default credentials. Browse to ';
        $msg .= 'https://developers.google.com';
        $msg .= '/accounts/docs/application-default-credentials';
        $msg .= ' for more information';

        return $msg;
    }

    /**
     * @param callable $httpHandler
     * @param array<mixed> $cacheConfig
     * @param CacheItemPoolInterface $cache
     * @return bool
     */
    private static function onGce(
        callable $httpHandler = null,
        array $cacheConfig = null,
        CacheItemPoolInterface $cache = null
    ) {
        $gceCacheConfig = [];
        foreach (['lifetime', 'prefix'] as $key) {
            if (isset($cacheConfig['gce_' . $key])) {
                $gceCacheConfig[$key] = $cacheConfig['gce_' . $key];
            }
        }

        return (new GCECache($gceCacheConfig, $cache))->onGce($httpHandler);
    }
}
PK     ©ˆU]$Íèæ&E  &E  &  vendor/google/auth/src/AccessToken.phpnu „[µü¤        <?php
/*
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use DateTime;
use Exception;
use Firebase\JWT\ExpiredException;
use Firebase\JWT\JWT;
use Firebase\JWT\SignatureInvalidException;
use Google\Auth\Cache\MemoryCacheItemPool;
use Google\Auth\HttpHandler\HttpClientCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Utils;
use InvalidArgumentException;
use phpseclib\Crypt\RSA;
use phpseclib\Math\BigInteger;
use Psr\Cache\CacheItemPoolInterface;
use RuntimeException;
use SimpleJWT\InvalidTokenException;
use SimpleJWT\JWT as SimpleJWT;
use SimpleJWT\Keys\KeyFactory;
use SimpleJWT\Keys\KeySet;
use UnexpectedValueException;

/**
 * Wrapper around Google Access Tokens which provides convenience functions.
 *
 * @experimental
 */
class AccessToken
{
    const FEDERATED_SIGNON_CERT_URL = 'https://www.googleapis.com/oauth2/v3/certs';
    const IAP_CERT_URL = 'https://www.gstatic.com/iap/verify/public_key-jwk';
    const IAP_ISSUER = 'https://cloud.google.com/iap';
    const OAUTH2_ISSUER = 'accounts.google.com';
    const OAUTH2_ISSUER_HTTPS = 'https://accounts.google.com';
    const OAUTH2_REVOKE_URI = 'https://oauth2.googleapis.com/revoke';

    /**
     * @var callable
     */
    private $httpHandler;

    /**
     * @var CacheItemPoolInterface
     */
    private $cache;

    /**
     * @param callable $httpHandler [optional] An HTTP Handler to deliver PSR-7 requests.
     * @param CacheItemPoolInterface $cache [optional] A PSR-6 compatible cache implementation.
     */
    public function __construct(
        callable $httpHandler = null,
        CacheItemPoolInterface $cache = null
    ) {
        $this->httpHandler = $httpHandler
            ?: HttpHandlerFactory::build(HttpClientCache::getHttpClient());
        $this->cache = $cache ?: new MemoryCacheItemPool();
    }

    /**
     * Verifies an id token and returns the authenticated apiLoginTicket.
     * Throws an exception if the id token is not valid.
     * The audience parameter can be used to control which id tokens are
     * accepted.  By default, the id token must have been issued to this OAuth2 client.
     *
     * @param string $token The JSON Web Token to be verified.
     * @param array<mixed> $options [optional] {
     *     Configuration options.
     *     @type string $audience The indended recipient of the token.
     *     @type string $issuer The intended issuer of the token.
     *     @type string $cacheKey The cache key of the cached certs. Defaults to
     *        the sha1 of $certsLocation if provided, otherwise is set to
     *        "federated_signon_certs_v3".
     *     @type string $certsLocation The location (remote or local) from which
     *        to retrieve certificates, if not cached. This value should only be
     *        provided in limited circumstances in which you are sure of the
     *        behavior.
     *     @type bool $throwException Whether the function should throw an
     *        exception if the verification fails. This is useful for
     *        determining the reason verification failed.
     * }
     * @return array<mixed>|false the token payload, if successful, or false if not.
     * @throws InvalidArgumentException If certs could not be retrieved from a local file.
     * @throws InvalidArgumentException If received certs are in an invalid format.
     * @throws InvalidArgumentException If the cert alg is not supported.
     * @throws RuntimeException If certs could not be retrieved from a remote location.
     * @throws UnexpectedValueException If the token issuer does not match.
     * @throws UnexpectedValueException If the token audience does not match.
     */
    public function verify($token, array $options = [])
    {
        $audience = isset($options['audience'])
            ? $options['audience']
            : null;
        $issuer = isset($options['issuer'])
            ? $options['issuer']
            : null;
        $certsLocation = isset($options['certsLocation'])
            ? $options['certsLocation']
            : self::FEDERATED_SIGNON_CERT_URL;
        $cacheKey = isset($options['cacheKey'])
            ? $options['cacheKey']
            : $this->getCacheKeyFromCertLocation($certsLocation);
        $throwException = isset($options['throwException'])
            ? $options['throwException']
            : false; // for backwards compatibility

        // Check signature against each available cert.
        $certs = $this->getCerts($certsLocation, $cacheKey, $options);
        $alg = $this->determineAlg($certs);
        if (!in_array($alg, ['RS256', 'ES256'])) {
            throw new InvalidArgumentException(
                'unrecognized "alg" in certs, expected ES256 or RS256'
            );
        }
        try {
            if ($alg == 'RS256') {
                return $this->verifyRs256($token, $certs, $audience, $issuer);
            }
            return $this->verifyEs256($token, $certs, $audience, $issuer);
        } catch (ExpiredException $e) {  // firebase/php-jwt 5+
        } catch (SignatureInvalidException $e) {  // firebase/php-jwt 5+
        } catch (InvalidTokenException $e) { // simplejwt
        } catch (DomainException $e) { // @phpstan-ignore-line
        } catch (InvalidArgumentException $e) {
        } catch (UnexpectedValueException $e) {
        }

        if ($throwException) {
            throw $e;
        }

        return false;
    }

    /**
     * Identifies the expected algorithm to verify by looking at the "alg" key
     * of the provided certs.
     *
     * @param array<mixed> $certs Certificate array according to the JWK spec (see
     *                     https://tools.ietf.org/html/rfc7517).
     * @return string The expected algorithm, such as "ES256" or "RS256".
     */
    private function determineAlg(array $certs)
    {
        $alg = null;
        foreach ($certs as $cert) {
            if (empty($cert['alg'])) {
                throw new InvalidArgumentException(
                    'certs expects "alg" to be set'
                );
            }
            $alg = $alg ?: $cert['alg'];

            if ($alg != $cert['alg']) {
                throw new InvalidArgumentException(
                    'More than one alg detected in certs'
                );
            }
        }
        return $alg;
    }

    /**
     * Verifies an ES256-signed JWT.
     *
     * @param string $token The JSON Web Token to be verified.
     * @param array<mixed> $certs Certificate array according to the JWK spec (see
     *        https://tools.ietf.org/html/rfc7517).
     * @param string|null $audience If set, returns false if the provided
     *        audience does not match the "aud" claim on the JWT.
     * @param string|null $issuer If set, returns false if the provided
     *        issuer does not match the "iss" claim on the JWT.
     * @return array<mixed> the token payload, if successful, or false if not.
     */
    private function verifyEs256($token, array $certs, $audience = null, $issuer = null)
    {
        $this->checkSimpleJwt();

        $jwkset = new KeySet();
        foreach ($certs as $cert) {
            $jwkset->add(KeyFactory::create($cert, 'php'));
        }

        // Validate the signature using the key set and ES256 algorithm.
        $jwt = $this->callSimpleJwtDecode([$token, $jwkset, 'ES256']);
        $payload = $jwt->getClaims();

        if ($audience) {
            if (!isset($payload['aud']) || $payload['aud'] != $audience) {
                throw new UnexpectedValueException('Audience does not match');
            }
        }

        // @see https://cloud.google.com/iap/docs/signed-headers-howto#verifying_the_jwt_payload
        $issuer = $issuer ?: self::IAP_ISSUER;
        if (!isset($payload['iss']) || $payload['iss'] !== $issuer) {
            throw new UnexpectedValueException('Issuer does not match');
        }

        return $payload;
    }

    /**
     * Verifies an RS256-signed JWT.
     *
     * @param string $token The JSON Web Token to be verified.
     * @param array<mixed> $certs Certificate array according to the JWK spec (see
     *        https://tools.ietf.org/html/rfc7517).
     * @param string|null $audience If set, returns false if the provided
     *        audience does not match the "aud" claim on the JWT.
     * @param string|null $issuer If set, returns false if the provided
     *        issuer does not match the "iss" claim on the JWT.
     * @return array<mixed> the token payload, if successful, or false if not.
     */
    private function verifyRs256($token, array $certs, $audience = null, $issuer = null)
    {
        $this->checkAndInitializePhpsec();
        $keys = [];
        foreach ($certs as $cert) {
            if (empty($cert['kid'])) {
                throw new InvalidArgumentException(
                    'certs expects "kid" to be set'
                );
            }
            if (empty($cert['n']) || empty($cert['e'])) {
                throw new InvalidArgumentException(
                    'RSA certs expects "n" and "e" to be set'
                );
            }
            $rsa = new RSA();
            $rsa->loadKey([
                'n' => new BigInteger($this->callJwtStatic('urlsafeB64Decode', [
                    $cert['n'],
                ]), 256),
                'e' => new BigInteger($this->callJwtStatic('urlsafeB64Decode', [
                    $cert['e']
                ]), 256),
            ]);

            // create an array of key IDs to certs for the JWT library
            $keys[$cert['kid']] =  $rsa->getPublicKey();
        }

        $payload = $this->callJwtStatic('decode', [
            $token,
            $keys,
            ['RS256']
        ]);

        if ($audience) {
            if (!property_exists($payload, 'aud') || $payload->aud != $audience) {
                throw new UnexpectedValueException('Audience does not match');
            }
        }

        // support HTTP and HTTPS issuers
        // @see https://developers.google.com/identity/sign-in/web/backend-auth
        $issuers = $issuer ? [$issuer] : [self::OAUTH2_ISSUER, self::OAUTH2_ISSUER_HTTPS];
        if (!isset($payload->iss) || !in_array($payload->iss, $issuers)) {
            throw new UnexpectedValueException('Issuer does not match');
        }

        return (array) $payload;
    }

    /**
     * Revoke an OAuth2 access token or refresh token. This method will revoke the current access
     * token, if a token isn't provided.
     *
     * @param string|array<mixed> $token The token (access token or a refresh token) that should be revoked.
     * @param array<mixed> $options [optional] Configuration options.
     * @return bool Returns True if the revocation was successful, otherwise False.
     */
    public function revoke($token, array $options = [])
    {
        if (is_array($token)) {
            if (isset($token['refresh_token'])) {
                $token = $token['refresh_token'];
            } else {
                $token = $token['access_token'];
            }
        }

        $body = Utils::streamFor(http_build_query(['token' => $token]));
        $request = new Request('POST', self::OAUTH2_REVOKE_URI, [
            'Cache-Control' => 'no-store',
            'Content-Type'  => 'application/x-www-form-urlencoded',
        ], $body);

        $httpHandler = $this->httpHandler;

        $response = $httpHandler($request, $options);

        return $response->getStatusCode() == 200;
    }

    /**
     * Gets federated sign-on certificates to use for verifying identity tokens.
     * Returns certs as array structure, where keys are key ids, and values
     * are PEM encoded certificates.
     *
     * @param string $location The location from which to retrieve certs.
     * @param string $cacheKey The key under which to cache the retrieved certs.
     * @param array<mixed> $options [optional] Configuration options.
     * @return array<mixed>
     * @throws InvalidArgumentException If received certs are in an invalid format.
     */
    private function getCerts($location, $cacheKey, array $options = [])
    {
        $cacheItem = $this->cache->getItem($cacheKey);
        $certs = $cacheItem ? $cacheItem->get() : null; // @phpstan-ignore-line

        $gotNewCerts = false;
        if (!$certs) {
            $certs = $this->retrieveCertsFromLocation($location, $options);

            $gotNewCerts = true;
        }

        if (!isset($certs['keys'])) {
            if ($location !== self::IAP_CERT_URL) {
                throw new InvalidArgumentException(
                    'federated sign-on certs expects "keys" to be set'
                );
            }
            throw new InvalidArgumentException(
                'certs expects "keys" to be set'
            );
        }

        // Push caching off until after verifying certs are in a valid format.
        // Don't want to cache bad data.
        if ($gotNewCerts) {
            $cacheItem->expiresAt(new DateTime('+1 hour'));
            $cacheItem->set($certs);
            $this->cache->save($cacheItem);
        }

        return $certs['keys'];
    }

    /**
     * Retrieve and cache a certificates file.
     *
     * @param string $url location
     * @param array<mixed> $options [optional] Configuration options.
     * @return array<mixed> certificates
     * @throws InvalidArgumentException If certs could not be retrieved from a local file.
     * @throws RuntimeException If certs could not be retrieved from a remote location.
     */
    private function retrieveCertsFromLocation($url, array $options = [])
    {
        // If we're retrieving a local file, just grab it.
        if (strpos($url, 'http') !== 0) {
            if (!file_exists($url)) {
                throw new InvalidArgumentException(sprintf(
                    'Failed to retrieve verification certificates from path: %s.',
                    $url
                ));
            }

            return json_decode((string) file_get_contents($url), true);
        }

        $httpHandler = $this->httpHandler;
        $response = $httpHandler(new Request('GET', $url), $options);

        if ($response->getStatusCode() == 200) {
            return json_decode((string) $response->getBody(), true);
        }

        throw new RuntimeException(sprintf(
            'Failed to retrieve verification certificates: "%s".',
            $response->getBody()->getContents()
        ), $response->getStatusCode());
    }

    /**
     * @return void
     */
    private function checkAndInitializePhpsec()
    {
        // @codeCoverageIgnoreStart
        if (!class_exists('phpseclib\Crypt\RSA')) {
            throw new RuntimeException('Please require phpseclib/phpseclib v2 to use this utility.');
        }
        // @codeCoverageIgnoreEnd

        $this->setPhpsecConstants();
    }

    /**
     * @return void
     */
    private function checkSimpleJwt()
    {
        // @codeCoverageIgnoreStart
        if (!class_exists(SimpleJwt::class)) {
            throw new RuntimeException('Please require kelvinmo/simplejwt ^0.2 to use this utility.');
        }
        // @codeCoverageIgnoreEnd
    }

    /**
     * phpseclib calls "phpinfo" by default, which requires special
     * whitelisting in the AppEngine VM environment. This function
     * sets constants to bypass the need for phpseclib to check phpinfo
     *
     * @see phpseclib/Math/BigInteger
     * @see https://github.com/GoogleCloudPlatform/getting-started-php/issues/85
     * @codeCoverageIgnore
     *
     * @return void
     */
    private function setPhpsecConstants()
    {
        if (filter_var(getenv('GAE_VM'), FILTER_VALIDATE_BOOLEAN)) {
            if (!defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
                define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);
            }
            if (!defined('CRYPT_RSA_MODE')) {
                define('CRYPT_RSA_MODE', RSA::MODE_OPENSSL);
            }
        }
    }

    /**
     * Provide a hook to mock calls to the JWT static methods.
     *
     * @param string $method
     * @param array<mixed> $args
     * @return mixed
     */
    protected function callJwtStatic($method, array $args = [])
    {
        return call_user_func_array([JWT::class, $method], $args); // @phpstan-ignore-line
    }

    /**
     * Provide a hook to mock calls to the JWT static methods.
     *
     * @param array<mixed> $args
     * @return mixed
     */
    protected function callSimpleJwtDecode(array $args = [])
    {
        return call_user_func_array([SimpleJwt::class, 'decode'], $args);
    }

    /**
     * Generate a cache key based on the cert location using sha1 with the
     * exception of using "federated_signon_certs_v3" to preserve BC.
     *
     * @param string $certsLocation
     * @return string
     */
    private function getCacheKeyFromCertLocation($certsLocation)
    {
        $key = $certsLocation === self::FEDERATED_SIGNON_CERT_URL
            ? 'federated_signon_certs_v3'
            : sha1($certsLocation);

        return 'google_auth_certs_cache|' . $key;
    }
}
PK     ©ˆU]ñDƒ  ƒ  2  vendor/google/auth/src/FetchAuthTokenInterface.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

/**
 * An interface implemented by objects that can fetch auth tokens.
 */
interface FetchAuthTokenInterface
{
    /**
     * Fetches the auth tokens based on the current state.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> a hash of auth tokens
     */
    public function fetchAuthToken(callable $httpHandler = null);

    /**
     * Obtains a key that can used to cache the results of #fetchAuthToken.
     *
     * If the value is empty, the auth token is not cached.
     *
     * @return string a key that may be used to cache the auth token.
     */
    public function getCacheKey();

    /**
     * Returns an associative array with the token and
     * expiration time.
     *
     * @return null|array<mixed> {
     *     The last received access token.
     *
     *     @type string $access_token The access token string.
     *     @type int $expires_at The time the token expires as a UNIX timestamp.
     * }
     */
    public function getLastReceivedToken();
}
PK     ©ˆU]Ú¯©~zŸ  zŸ  !  vendor/google/auth/src/OAuth2.phpnu „[µü¤        <?php
/*
 * Copyright 2015 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

use Firebase\JWT\JWT;
use Firebase\JWT\Key;
use Google\Auth\HttpHandler\HttpClientCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use GuzzleHttp\Psr7\Query;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Utils;
use InvalidArgumentException;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\UriInterface;

/**
 * OAuth2 supports authentication by OAuth2 2-legged flows.
 *
 * It primary supports
 * - service account authorization
 * - authorization where a user already has an access token
 */
class OAuth2 implements FetchAuthTokenInterface
{
    const DEFAULT_EXPIRY_SECONDS = 3600; // 1 hour
    const DEFAULT_SKEW_SECONDS = 60; // 1 minute
    const JWT_URN = 'urn:ietf:params:oauth:grant-type:jwt-bearer';

    /**
     * TODO: determine known methods from the keys of JWT::methods.
     *
     * @var array<string>
     */
    public static $knownSigningAlgorithms = array(
        'HS256',
        'HS512',
        'HS384',
        'RS256',
    );

    /**
     * The well known grant types.
     *
     * @var array<string>
     */
    public static $knownGrantTypes = array(
        'authorization_code',
        'refresh_token',
        'password',
        'client_credentials',
    );

    /**
     * - authorizationUri
     *   The authorization server's HTTP endpoint capable of
     *   authenticating the end-user and obtaining authorization.
     *
     * @var ?UriInterface
     */
    private $authorizationUri;

    /**
     * - tokenCredentialUri
     *   The authorization server's HTTP endpoint capable of issuing
     *   tokens and refreshing expired tokens.
     *
     * @var UriInterface
     */
    private $tokenCredentialUri;

    /**
     * The redirection URI used in the initial request.
     *
     * @var ?string
     */
    private $redirectUri;

    /**
     * A unique identifier issued to the client to identify itself to the
     * authorization server.
     *
     * @var string
     */
    private $clientId;

    /**
     * A shared symmetric secret issued by the authorization server, which is
     * used to authenticate the client.
     *
     * @var string
     */
    private $clientSecret;

    /**
     * The resource owner's username.
     *
     * @var ?string
     */
    private $username;

    /**
     * The resource owner's password.
     *
     * @var ?string
     */
    private $password;

    /**
     * The scope of the access request, expressed either as an Array or as a
     * space-delimited string.
     *
     * @var ?array<string>
     */
    private $scope;

    /**
     * An arbitrary string designed to allow the client to maintain state.
     *
     * @var string
     */
    private $state;

    /**
     * The authorization code issued to this client.
     *
     * Only used by the authorization code access grant type.
     *
     * @var ?string
     */
    private $code;

    /**
     * The issuer ID when using assertion profile.
     *
     * @var ?string
     */
    private $issuer;

    /**
     * The target audience for assertions.
     *
     * @var string
     */
    private $audience;

    /**
     * The target sub when issuing assertions.
     *
     * @var string
     */
    private $sub;

    /**
     * The number of seconds assertions are valid for.
     *
     * @var int
     */
    private $expiry;

    /**
     * The signing key when using assertion profile.
     *
     * @var ?string
     */
    private $signingKey;

    /**
     * The signing key id when using assertion profile. Param kid in jwt header
     *
     * @var string
     */
    private $signingKeyId;

    /**
     * The signing algorithm when using an assertion profile.
     *
     * @var ?string
     */
    private $signingAlgorithm;

    /**
     * The refresh token associated with the access token to be refreshed.
     *
     * @var ?string
     */
    private $refreshToken;

    /**
     * The current access token.
     *
     * @var string
     */
    private $accessToken;

    /**
     * The current ID token.
     *
     * @var string
     */
    private $idToken;

    /**
     * The lifetime in seconds of the current access token.
     *
     * @var ?int
     */
    private $expiresIn;

    /**
     * The expiration time of the access token as a number of seconds since the
     * unix epoch.
     *
     * @var ?int
     */
    private $expiresAt;

    /**
     * The issue time of the access token as a number of seconds since the unix
     * epoch.
     *
     * @var ?int
     */
    private $issuedAt;

    /**
     * The current grant type.
     *
     * @var ?string
     */
    private $grantType;

    /**
     * When using an extension grant type, this is the set of parameters used by
     * that extension.
     *
     * @var array<mixed>
     */
    private $extensionParams;

    /**
     * When using the toJwt function, these claims will be added to the JWT
     * payload.
     *
     * @var array<mixed>
     */
    private $additionalClaims;

    /**
     * Create a new OAuthCredentials.
     *
     * The configuration array accepts various options
     *
     * - authorizationUri
     *   The authorization server's HTTP endpoint capable of
     *   authenticating the end-user and obtaining authorization.
     *
     * - tokenCredentialUri
     *   The authorization server's HTTP endpoint capable of issuing
     *   tokens and refreshing expired tokens.
     *
     * - clientId
     *   A unique identifier issued to the client to identify itself to the
     *   authorization server.
     *
     * - clientSecret
     *   A shared symmetric secret issued by the authorization server,
     *   which is used to authenticate the client.
     *
     * - scope
     *   The scope of the access request, expressed either as an Array
     *   or as a space-delimited String.
     *
     * - state
     *   An arbitrary string designed to allow the client to maintain state.
     *
     * - redirectUri
     *   The redirection URI used in the initial request.
     *
     * - username
     *   The resource owner's username.
     *
     * - password
     *   The resource owner's password.
     *
     * - issuer
     *   Issuer ID when using assertion profile
     *
     * - audience
     *   Target audience for assertions
     *
     * - expiry
     *   Number of seconds assertions are valid for
     *
     * - signingKey
     *   Signing key when using assertion profile
     *
     * - signingKeyId
     *   Signing key id when using assertion profile
     *
     * - refreshToken
     *   The refresh token associated with the access token
     *   to be refreshed.
     *
     * - accessToken
     *   The current access token for this client.
     *
     * - idToken
     *   The current ID token for this client.
     *
     * - extensionParams
     *   When using an extension grant type, this is the set of parameters used
     *   by that extension.
     *
     * @param array<mixed> $config Configuration array
     */
    public function __construct(array $config)
    {
        $opts = array_merge([
            'expiry' => self::DEFAULT_EXPIRY_SECONDS,
            'extensionParams' => [],
            'authorizationUri' => null,
            'redirectUri' => null,
            'tokenCredentialUri' => null,
            'state' => null,
            'username' => null,
            'password' => null,
            'clientId' => null,
            'clientSecret' => null,
            'issuer' => null,
            'sub' => null,
            'audience' => null,
            'signingKey' => null,
            'signingKeyId' => null,
            'signingAlgorithm' => null,
            'scope' => null,
            'additionalClaims' => [],
        ], $config);

        $this->setAuthorizationUri($opts['authorizationUri']);
        $this->setRedirectUri($opts['redirectUri']);
        $this->setTokenCredentialUri($opts['tokenCredentialUri']);
        $this->setState($opts['state']);
        $this->setUsername($opts['username']);
        $this->setPassword($opts['password']);
        $this->setClientId($opts['clientId']);
        $this->setClientSecret($opts['clientSecret']);
        $this->setIssuer($opts['issuer']);
        $this->setSub($opts['sub']);
        $this->setExpiry($opts['expiry']);
        $this->setAudience($opts['audience']);
        $this->setSigningKey($opts['signingKey']);
        $this->setSigningKeyId($opts['signingKeyId']);
        $this->setSigningAlgorithm($opts['signingAlgorithm']);
        $this->setScope($opts['scope']);
        $this->setExtensionParams($opts['extensionParams']);
        $this->setAdditionalClaims($opts['additionalClaims']);
        $this->updateToken($opts);
    }

    /**
     * Verifies the idToken if present.
     *
     * - if none is present, return null
     * - if present, but invalid, raises DomainException.
     * - otherwise returns the payload in the idtoken as a PHP object.
     *
     * The behavior of this method varies depending on the version of
     * `firebase/php-jwt` you are using. In versions 6.0 and above, you cannot
     * provide multiple $allowed_algs, and instead must provide an array of Key
     * objects as the $publicKey.
     *
     * @param string|Key|Key[] $publicKey The public key to use to authenticate the token
     * @param string|array<string> $allowed_algs algorithm or array of supported verification algorithms.
     *        Providing more than one algorithm will throw an exception.
     * @throws \DomainException if the token is missing an audience.
     * @throws \DomainException if the audience does not match the one set in
     *         the OAuth2 class instance.
     * @throws \UnexpectedValueException If the token is invalid
     * @throws \InvalidArgumentException If more than one value for allowed_algs is supplied
     * @throws \Firebase\JWT\SignatureInvalidException If the signature is invalid.
     * @throws \Firebase\JWT\BeforeValidException If the token is not yet valid.
     * @throws \Firebase\JWT\ExpiredException If the token has expired.
     * @return null|object
     */
    public function verifyIdToken($publicKey = null, $allowed_algs = array())
    {
        $idToken = $this->getIdToken();
        if (is_null($idToken)) {
            return null;
        }

        $resp = $this->jwtDecode($idToken, $publicKey, $allowed_algs);
        if (!property_exists($resp, 'aud')) {
            throw new \DomainException('No audience found the id token');
        }
        if ($resp->aud != $this->getAudience()) {
            throw new \DomainException('Wrong audience present in the id token');
        }

        return $resp;
    }

    /**
     * Obtains the encoded jwt from the instance data.
     *
     * @param array<mixed> $config array optional configuration parameters
     * @return string
     */
    public function toJwt(array $config = [])
    {
        if (is_null($this->getSigningKey())) {
            throw new \DomainException('No signing key available');
        }
        if (is_null($this->getSigningAlgorithm())) {
            throw new \DomainException('No signing algorithm specified');
        }
        $now = time();

        $opts = array_merge([
            'skew' => self::DEFAULT_SKEW_SECONDS,
        ], $config);

        $assertion = [
            'iss' => $this->getIssuer(),
            'exp' => ($now + $this->getExpiry()),
            'iat' => ($now - $opts['skew']),
        ];
        foreach ($assertion as $k => $v) {
            if (is_null($v)) {
                throw new \DomainException($k . ' should not be null');
            }
        }
        if (!(is_null($this->getAudience()))) {
            $assertion['aud'] = $this->getAudience();
        }

        if (!(is_null($this->getScope()))) {
            $assertion['scope'] = $this->getScope();
        }

        if (empty($assertion['scope']) && empty($assertion['aud'])) {
            throw new \DomainException('one of scope or aud should not be null');
        }

        if (!(is_null($this->getSub()))) {
            $assertion['sub'] = $this->getSub();
        }
        $assertion += $this->getAdditionalClaims();

        return JWT::encode(
            $assertion,
            $this->getSigningKey(),
            $this->getSigningAlgorithm(),
            $this->getSigningKeyId()
        );
    }

    /**
     * Generates a request for token credentials.
     *
     * @return RequestInterface the authorization Url.
     */
    public function generateCredentialsRequest()
    {
        $uri = $this->getTokenCredentialUri();
        if (is_null($uri)) {
            throw new \DomainException('No token credential URI was set.');
        }

        $grantType = $this->getGrantType();
        $params = array('grant_type' => $grantType);
        switch ($grantType) {
            case 'authorization_code':
                $params['code'] = $this->getCode();
                $params['redirect_uri'] = $this->getRedirectUri();
                $this->addClientCredentials($params);
                break;
            case 'password':
                $params['username'] = $this->getUsername();
                $params['password'] = $this->getPassword();
                $this->addClientCredentials($params);
                break;
            case 'refresh_token':
                $params['refresh_token'] = $this->getRefreshToken();
                $this->addClientCredentials($params);
                break;
            case self::JWT_URN:
                $params['assertion'] = $this->toJwt();
                break;
            default:
                if (!is_null($this->getRedirectUri())) {
                    # Grant type was supposed to be 'authorization_code', as there
                    # is a redirect URI.
                    throw new \DomainException('Missing authorization code');
                }
                unset($params['grant_type']);
                if (!is_null($grantType)) {
                    $params['grant_type'] = $grantType;
                }
                $params = array_merge($params, $this->getExtensionParams());
        }

        $headers = [
            'Cache-Control' => 'no-store',
            'Content-Type' => 'application/x-www-form-urlencoded',
        ];

        return new Request(
            'POST',
            $uri,
            $headers,
            Query::build($params)
        );
    }

    /**
     * Fetches the auth tokens based on the current state.
     *
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> the response
     */
    public function fetchAuthToken(callable $httpHandler = null)
    {
        if (is_null($httpHandler)) {
            $httpHandler = HttpHandlerFactory::build(HttpClientCache::getHttpClient());
        }

        $response = $httpHandler($this->generateCredentialsRequest());
        $credentials = $this->parseTokenResponse($response);
        $this->updateToken($credentials);

        return $credentials;
    }

    /**
     * Obtains a key that can used to cache the results of #fetchAuthToken.
     *
     * The key is derived from the scopes.
     *
     * @return ?string a key that may be used to cache the auth token.
     */
    public function getCacheKey()
    {
        if (is_array($this->scope)) {
            return implode(':', $this->scope);
        }

        if ($this->audience) {
            return $this->audience;
        }

        // If scope has not set, return null to indicate no caching.
        return null;
    }

    /**
     * Parses the fetched tokens.
     *
     * @param ResponseInterface $resp the response.
     * @return array<mixed> the tokens parsed from the response body.
     * @throws \Exception
     */
    public function parseTokenResponse(ResponseInterface $resp)
    {
        $body = (string)$resp->getBody();
        if ($resp->hasHeader('Content-Type') &&
            $resp->getHeaderLine('Content-Type') == 'application/x-www-form-urlencoded'
        ) {
            $res = array();
            parse_str($body, $res);

            return $res;
        }

        // Assume it's JSON; if it's not throw an exception
        if (null === $res = json_decode($body, true)) {
            throw new \Exception('Invalid JSON response');
        }

        return $res;
    }

    /**
     * Updates an OAuth 2.0 client.
     *
     * Example:
     * ```
     * $oauth->updateToken([
     *     'refresh_token' => 'n4E9O119d',
     *     'access_token' => 'FJQbwq9',
     *     'expires_in' => 3600
     * ]);
     * ```
     *
     * @param array<mixed> $config
     *  The configuration parameters related to the token.
     *
     *  - refresh_token
     *    The refresh token associated with the access token
     *    to be refreshed.
     *
     *  - access_token
     *    The current access token for this client.
     *
     *  - id_token
     *    The current ID token for this client.
     *
     *  - expires_in
     *    The time in seconds until access token expiration.
     *
     *  - expires_at
     *    The time as an integer number of seconds since the Epoch
     *
     *  - issued_at
     *    The timestamp that the token was issued at.
     * @return void
     */
    public function updateToken(array $config)
    {
        $opts = array_merge([
            'extensionParams' => [],
            'access_token' => null,
            'id_token' => null,
            'expires_in' => null,
            'expires_at' => null,
            'issued_at' => null,
        ], $config);

        $this->setExpiresAt($opts['expires_at']);
        $this->setExpiresIn($opts['expires_in']);
        // By default, the token is issued at `Time.now` when `expiresIn` is set,
        // but this can be used to supply a more precise time.
        if (!is_null($opts['issued_at'])) {
            $this->setIssuedAt($opts['issued_at']);
        }

        $this->setAccessToken($opts['access_token']);
        $this->setIdToken($opts['id_token']);
        // The refresh token should only be updated if a value is explicitly
        // passed in, as some access token responses do not include a refresh
        // token.
        if (array_key_exists('refresh_token', $opts)) {
            $this->setRefreshToken($opts['refresh_token']);
        }
    }

    /**
     * Builds the authorization Uri that the user should be redirected to.
     *
     * @param array<mixed> $config configuration options that customize the return url
     * @return UriInterface the authorization Url.
     * @throws InvalidArgumentException
     */
    public function buildFullAuthorizationUri(array $config = [])
    {
        if (is_null($this->getAuthorizationUri())) {
            throw new InvalidArgumentException(
                'requires an authorizationUri to have been set'
            );
        }

        $params = array_merge([
            'response_type' => 'code',
            'access_type' => 'offline',
            'client_id' => $this->clientId,
            'redirect_uri' => $this->redirectUri,
            'state' => $this->state,
            'scope' => $this->getScope(),
        ], $config);

        // Validate the auth_params
        if (is_null($params['client_id'])) {
            throw new InvalidArgumentException(
                'missing the required client identifier'
            );
        }
        if (is_null($params['redirect_uri'])) {
            throw new InvalidArgumentException('missing the required redirect URI');
        }
        if (!empty($params['prompt']) && !empty($params['approval_prompt'])) {
            throw new InvalidArgumentException(
                'prompt and approval_prompt are mutually exclusive'
            );
        }

        // Construct the uri object; return it if it is valid.
        $result = clone $this->authorizationUri;
        $existingParams = Query::parse($result->getQuery());

        $result = $result->withQuery(
            Query::build(array_merge($existingParams, $params))
        );

        if ($result->getScheme() != 'https') {
            throw new InvalidArgumentException(
                'Authorization endpoint must be protected by TLS'
            );
        }

        return $result;
    }

    /**
     * Sets the authorization server's HTTP endpoint capable of authenticating
     * the end-user and obtaining authorization.
     *
     * @param string $uri
     * @return void
     */
    public function setAuthorizationUri($uri)
    {
        $this->authorizationUri = $this->coerceUri($uri);
    }

    /**
     * Gets the authorization server's HTTP endpoint capable of authenticating
     * the end-user and obtaining authorization.
     *
     * @return ?UriInterface
     */
    public function getAuthorizationUri()
    {
        return $this->authorizationUri;
    }

    /**
     * Gets the authorization server's HTTP endpoint capable of issuing tokens
     * and refreshing expired tokens.
     *
     * @return ?UriInterface
     */
    public function getTokenCredentialUri()
    {
        return $this->tokenCredentialUri;
    }

    /**
     * Sets the authorization server's HTTP endpoint capable of issuing tokens
     * and refreshing expired tokens.
     *
     * @param string $uri
     * @return void
     */
    public function setTokenCredentialUri($uri)
    {
        $this->tokenCredentialUri = $this->coerceUri($uri);
    }

    /**
     * Gets the redirection URI used in the initial request.
     *
     * @return ?string
     */
    public function getRedirectUri()
    {
        return $this->redirectUri;
    }

    /**
     * Sets the redirection URI used in the initial request.
     *
     * @param ?string $uri
     * @return void
     */
    public function setRedirectUri($uri)
    {
        if (is_null($uri)) {
            $this->redirectUri = null;

            return;
        }
        // redirect URI must be absolute
        if (!$this->isAbsoluteUri($uri)) {
            // "postmessage" is a reserved URI string in Google-land
            // @see https://developers.google.com/identity/sign-in/web/server-side-flow
            if ('postmessage' !== (string)$uri) {
                throw new InvalidArgumentException(
                    'Redirect URI must be absolute'
                );
            }
        }
        $this->redirectUri = (string)$uri;
    }

    /**
     * Gets the scope of the access requests as a space-delimited String.
     *
     * @return ?string
     */
    public function getScope()
    {
        if (is_null($this->scope)) {
            return $this->scope;
        }

        return implode(' ', $this->scope);
    }

    /**
     * Sets the scope of the access request, expressed either as an Array or as
     * a space-delimited String.
     *
     * @param string|array<string>|null $scope
     * @return void
     * @throws InvalidArgumentException
     */
    public function setScope($scope)
    {
        if (is_null($scope)) {
            $this->scope = null;
        } elseif (is_string($scope)) {
            $this->scope = explode(' ', $scope);
        } elseif (is_array($scope)) {
            foreach ($scope as $s) {
                $pos = strpos($s, ' ');
                if ($pos !== false) {
                    throw new InvalidArgumentException(
                        'array scope values should not contain spaces'
                    );
                }
            }
            $this->scope = $scope;
        } else {
            throw new InvalidArgumentException(
                'scopes should be a string or array of strings'
            );
        }
    }

    /**
     * Gets the current grant type.
     *
     * @return ?string
     */
    public function getGrantType()
    {
        if (!is_null($this->grantType)) {
            return $this->grantType;
        }

        // Returns the inferred grant type, based on the current object instance
        // state.
        if (!is_null($this->code)) {
            return 'authorization_code';
        }

        if (!is_null($this->refreshToken)) {
            return 'refresh_token';
        }

        if (!is_null($this->username) && !is_null($this->password)) {
            return 'password';
        }

        if (!is_null($this->issuer) && !is_null($this->signingKey)) {
            return self::JWT_URN;
        }

        return null;
    }

    /**
     * Sets the current grant type.
     *
     * @param string $grantType
     * @return void
     * @throws InvalidArgumentException
     */
    public function setGrantType($grantType)
    {
        if (in_array($grantType, self::$knownGrantTypes)) {
            $this->grantType = $grantType;
        } else {
            // validate URI
            if (!$this->isAbsoluteUri($grantType)) {
                throw new InvalidArgumentException(
                    'invalid grant type'
                );
            }
            $this->grantType = (string)$grantType;
        }
    }

    /**
     * Gets an arbitrary string designed to allow the client to maintain state.
     *
     * @return string
     */
    public function getState()
    {
        return $this->state;
    }

    /**
     * Sets an arbitrary string designed to allow the client to maintain state.
     *
     * @param string $state
     * @return void
     */
    public function setState($state)
    {
        $this->state = $state;
    }

    /**
     * Gets the authorization code issued to this client.
     *
     * @return string
     */
    public function getCode()
    {
        return $this->code;
    }

    /**
     * Sets the authorization code issued to this client.
     *
     * @param string $code
     * @return void
     */
    public function setCode($code)
    {
        $this->code = $code;
    }

    /**
     * Gets the resource owner's username.
     *
     * @return string
     */
    public function getUsername()
    {
        return $this->username;
    }

    /**
     * Sets the resource owner's username.
     *
     * @param string $username
     * @return void
     */
    public function setUsername($username)
    {
        $this->username = $username;
    }

    /**
     * Gets the resource owner's password.
     *
     * @return string
     */
    public function getPassword()
    {
        return $this->password;
    }

    /**
     * Sets the resource owner's password.
     *
     * @param string $password
     * @return void
     */
    public function setPassword($password)
    {
        $this->password = $password;
    }

    /**
     * Sets a unique identifier issued to the client to identify itself to the
     * authorization server.
     *
     * @return string
     */
    public function getClientId()
    {
        return $this->clientId;
    }

    /**
     * Sets a unique identifier issued to the client to identify itself to the
     * authorization server.
     *
     * @param string $clientId
     * @return void
     */
    public function setClientId($clientId)
    {
        $this->clientId = $clientId;
    }

    /**
     * Gets a shared symmetric secret issued by the authorization server, which
     * is used to authenticate the client.
     *
     * @return string
     */
    public function getClientSecret()
    {
        return $this->clientSecret;
    }

    /**
     * Sets a shared symmetric secret issued by the authorization server, which
     * is used to authenticate the client.
     *
     * @param string $clientSecret
     * @return void
     */
    public function setClientSecret($clientSecret)
    {
        $this->clientSecret = $clientSecret;
    }

    /**
     * Gets the Issuer ID when using assertion profile.
     *
     * @return ?string
     */
    public function getIssuer()
    {
        return $this->issuer;
    }

    /**
     * Sets the Issuer ID when using assertion profile.
     *
     * @param string $issuer
     * @return void
     */
    public function setIssuer($issuer)
    {
        $this->issuer = $issuer;
    }

    /**
     * Gets the target sub when issuing assertions.
     *
     * @return ?string
     */
    public function getSub()
    {
        return $this->sub;
    }

    /**
     * Sets the target sub when issuing assertions.
     *
     * @param string $sub
     * @return void
     */
    public function setSub($sub)
    {
        $this->sub = $sub;
    }

    /**
     * Gets the target audience when issuing assertions.
     *
     * @return ?string
     */
    public function getAudience()
    {
        return $this->audience;
    }

    /**
     * Sets the target audience when issuing assertions.
     *
     * @param string $audience
     * @return void
     */
    public function setAudience($audience)
    {
        $this->audience = $audience;
    }

    /**
     * Gets the signing key when using an assertion profile.
     *
     * @return ?string
     */
    public function getSigningKey()
    {
        return $this->signingKey;
    }

    /**
     * Sets the signing key when using an assertion profile.
     *
     * @param string $signingKey
     * @return void
     */
    public function setSigningKey($signingKey)
    {
        $this->signingKey = $signingKey;
    }

    /**
     * Gets the signing key id when using an assertion profile.
     *
     * @return ?string
     */
    public function getSigningKeyId()
    {
        return $this->signingKeyId;
    }

    /**
     * Sets the signing key id when using an assertion profile.
     *
     * @param string $signingKeyId
     * @return void
     */
    public function setSigningKeyId($signingKeyId)
    {
        $this->signingKeyId = $signingKeyId;
    }

    /**
     * Gets the signing algorithm when using an assertion profile.
     *
     * @return ?string
     */
    public function getSigningAlgorithm()
    {
        return $this->signingAlgorithm;
    }

    /**
     * Sets the signing algorithm when using an assertion profile.
     *
     * @param ?string $signingAlgorithm
     * @return void
     */
    public function setSigningAlgorithm($signingAlgorithm)
    {
        if (is_null($signingAlgorithm)) {
            $this->signingAlgorithm = null;
        } elseif (!in_array($signingAlgorithm, self::$knownSigningAlgorithms)) {
            throw new InvalidArgumentException('unknown signing algorithm');
        } else {
            $this->signingAlgorithm = $signingAlgorithm;
        }
    }

    /**
     * Gets the set of parameters used by extension when using an extension
     * grant type.
     *
     * @return array<mixed>
     */
    public function getExtensionParams()
    {
        return $this->extensionParams;
    }

    /**
     * Sets the set of parameters used by extension when using an extension
     * grant type.
     *
     * @param array<mixed> $extensionParams
     * @return void
     */
    public function setExtensionParams($extensionParams)
    {
        $this->extensionParams = $extensionParams;
    }

    /**
     * Gets the number of seconds assertions are valid for.
     *
     * @return int
     */
    public function getExpiry()
    {
        return $this->expiry;
    }

    /**
     * Sets the number of seconds assertions are valid for.
     *
     * @param int $expiry
     * @return void
     */
    public function setExpiry($expiry)
    {
        $this->expiry = $expiry;
    }

    /**
     * Gets the lifetime of the access token in seconds.
     *
     * @return int
     */
    public function getExpiresIn()
    {
        return $this->expiresIn;
    }

    /**
     * Sets the lifetime of the access token in seconds.
     *
     * @param ?int $expiresIn
     * @return void
     */
    public function setExpiresIn($expiresIn)
    {
        if (is_null($expiresIn)) {
            $this->expiresIn = null;
            $this->issuedAt = null;
        } else {
            $this->issuedAt = time();
            $this->expiresIn = (int)$expiresIn;
        }
    }

    /**
     * Gets the time the current access token expires at.
     *
     * @return ?int
     */
    public function getExpiresAt()
    {
        if (!is_null($this->expiresAt)) {
            return $this->expiresAt;
        }

        if (!is_null($this->issuedAt) && !is_null($this->expiresIn)) {
            return $this->issuedAt + $this->expiresIn;
        }

        return null;
    }

    /**
     * Returns true if the acccess token has expired.
     *
     * @return bool
     */
    public function isExpired()
    {
        $expiration = $this->getExpiresAt();
        $now = time();

        return !is_null($expiration) && $now >= $expiration;
    }

    /**
     * Sets the time the current access token expires at.
     *
     * @param int $expiresAt
     * @return void
     */
    public function setExpiresAt($expiresAt)
    {
        $this->expiresAt = $expiresAt;
    }

    /**
     * Gets the time the current access token was issued at.
     *
     * @return ?int
     */
    public function getIssuedAt()
    {
        return $this->issuedAt;
    }

    /**
     * Sets the time the current access token was issued at.
     *
     * @param int $issuedAt
     * @return void
     */
    public function setIssuedAt($issuedAt)
    {
        $this->issuedAt = $issuedAt;
    }

    /**
     * Gets the current access token.
     *
     * @return ?string
     */
    public function getAccessToken()
    {
        return $this->accessToken;
    }

    /**
     * Sets the current access token.
     *
     * @param string $accessToken
     * @return void
     */
    public function setAccessToken($accessToken)
    {
        $this->accessToken = $accessToken;
    }

    /**
     * Gets the current ID token.
     *
     * @return ?string
     */
    public function getIdToken()
    {
        return $this->idToken;
    }

    /**
     * Sets the current ID token.
     *
     * @param string $idToken
     * @return void
     */
    public function setIdToken($idToken)
    {
        $this->idToken = $idToken;
    }

    /**
     * Gets the refresh token associated with the current access token.
     *
     * @return ?string
     */
    public function getRefreshToken()
    {
        return $this->refreshToken;
    }

    /**
     * Sets the refresh token associated with the current access token.
     *
     * @param string $refreshToken
     * @return void
     */
    public function setRefreshToken($refreshToken)
    {
        $this->refreshToken = $refreshToken;
    }

    /**
     * Sets additional claims to be included in the JWT token
     *
     * @param array<mixed> $additionalClaims
     * @return void
     */
    public function setAdditionalClaims(array $additionalClaims)
    {
        $this->additionalClaims = $additionalClaims;
    }

    /**
     * Gets the additional claims to be included in the JWT token.
     *
     * @return array<mixed>
     */
    public function getAdditionalClaims()
    {
        return $this->additionalClaims;
    }

    /**
     * The expiration of the last received token.
     *
     * @return array<mixed>|null
     */
    public function getLastReceivedToken()
    {
        if ($token = $this->getAccessToken()) {
            // the bare necessity of an auth token
            $authToken = [
                'access_token' => $token,
                'expires_at' => $this->getExpiresAt(),
            ];
        } elseif ($idToken = $this->getIdToken()) {
            $authToken = [
                'id_token' => $idToken,
                'expires_at' => $this->getExpiresAt(),
            ];
        } else {
            return null;
        }

        if ($expiresIn = $this->getExpiresIn()) {
            $authToken['expires_in'] = $expiresIn;
        }
        if ($issuedAt = $this->getIssuedAt()) {
            $authToken['issued_at'] = $issuedAt;
        }
        if ($refreshToken = $this->getRefreshToken()) {
            $authToken['refresh_token'] = $refreshToken;
        }

        return $authToken;
    }

    /**
     * Get the client ID.
     *
     * Alias of {@see Google\Auth\OAuth2::getClientId()}.
     *
     * @param callable $httpHandler
     * @return string
     * @access private
     */
    public function getClientName(callable $httpHandler = null)
    {
        return $this->getClientId();
    }

    /**
     * @todo handle uri as array
     *
     * @param ?string $uri
     * @return null|UriInterface
     */
    private function coerceUri($uri)
    {
        if (is_null($uri)) {
            return null;
        }

        return Utils::uriFor($uri);
    }

    /**
     * @param string $idToken
     * @param Key|Key[]|string|string[] $publicKey
     * @param string|string[] $allowedAlgs
     * @return object
     */
    private function jwtDecode($idToken, $publicKey, $allowedAlgs)
    {
        $keys = $this->getFirebaseJwtKeys($publicKey, $allowedAlgs);

        // Default exception if none are caught. We are using the same exception
        // class and message from firebase/php-jwt to preserve backwards
        // compatibility.
        $e = new \InvalidArgumentException('Key may not be empty');
        foreach ($keys as $key) {
            try {
                return JWT::decode($idToken, $key);
            } catch (\Exception $e) {
                // try next alg
            }
        }
        throw $e;
    }

    /**
     * @param Key|Key[]|string|string[] $publicKey
     * @param string|string[] $allowedAlgs
     * @return Key[]
     */
    private function getFirebaseJwtKeys($publicKey, $allowedAlgs)
    {
        // If $publicKey is instance of Key, return it
        if ($publicKey instanceof Key) {
            return [$publicKey];
        }

        // If $allowedAlgs is empty, $publicKey must be Key or Key[].
        if (empty($allowedAlgs)) {
            $keys = [];
            foreach ((array) $publicKey as $kid => $pubKey) {
                if (!$pubKey instanceof Key) {
                    throw new \InvalidArgumentException(sprintf(
                        'When allowed algorithms is empty, the public key must'
                        . 'be an instance of %s or an array of %s objects',
                        Key::class,
                        Key::class
                    ));
                }
                $keys[$kid] = $pubKey;
            }
            return $keys;
        }

        $allowedAlg = null;
        if (is_string($allowedAlgs)) {
            $allowedAlg = $allowedAlg;
        } elseif (is_array($allowedAlgs)) {
            if (count($allowedAlgs) > 1) {
                throw new \InvalidArgumentException(
                    'To have multiple allowed algorithms, You must provide an'
                    . ' array of Firebase\JWT\Key objects.'
                    . ' See https://github.com/firebase/php-jwt for more information.');
            }
            $allowedAlg = array_pop($allowedAlgs);
        } else {
            throw new \InvalidArgumentException('allowed algorithms must be a string or array.');
        }

        if (is_array($publicKey)) {
            // When publicKey is greater than 1, create keys with the single alg.
            $keys = [];
            foreach ($publicKey as $kid => $pubKey) {
                if ($pubKey instanceof Key) {
                    $keys[$kid] = $pubKey;
                } else {
                    $keys[$kid] = new Key($pubKey, $allowedAlg);
                }
            }
            return $keys;
        }

        return [new Key($publicKey, $allowedAlg)];
    }

    /**
     * Determines if the URI is absolute based on its scheme and host or path
     * (RFC 3986).
     *
     * @param string $uri
     * @return bool
     */
    private function isAbsoluteUri($uri)
    {
        $uri = $this->coerceUri($uri);

        return $uri->getScheme() && ($uri->getHost() || $uri->getPath());
    }

    /**
     * @param array<mixed> $params
     * @return array<mixed>
     */
    private function addClientCredentials(&$params)
    {
        $clientId = $this->getClientId();
        $clientSecret = $this->getClientSecret();

        if ($clientId && $clientSecret) {
            $params['client_id'] = $clientId;
            $params['client_secret'] = $clientSecret;
        }

        return $params;
    }
}
PK     ªˆU]˜þÁŽ¹  ¹  4  vendor/google/auth/src/Cache/MemoryCacheItemPool.phpnu „[µü¤        <?php
/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Cache;

use Psr\Cache\CacheItemInterface;
use Psr\Cache\CacheItemPoolInterface;

/**
 * Simple in-memory cache implementation.
 */
final class MemoryCacheItemPool implements CacheItemPoolInterface
{
    /**
     * @var CacheItemInterface[]
     */
    private $items;

    /**
     * @var CacheItemInterface[]
     */
    private $deferredItems;

    /**
     * {@inheritdoc}
     *
     * @return CacheItemInterface The corresponding Cache Item.
     */
    public function getItem($key): CacheItemInterface
    {
        return current($this->getItems([$key]));  // @phpstan-ignore-line
    }

    /**
     * {@inheritdoc}
     *
     * @return iterable<CacheItemInterface>
     *   A traversable collection of Cache Items keyed by the cache keys of
     *   each item. A Cache item will be returned for each key, even if that
     *   key is not found. However, if no keys are specified then an empty
     *   traversable MUST be returned instead.
     */
    public function getItems(array $keys = []): iterable
    {
        $items = [];
        $itemClass = \PHP_VERSION_ID >= 80000 ? TypedItem::class : Item::class;
        foreach ($keys as $key) {
            $items[$key] = $this->hasItem($key) ? clone $this->items[$key] : new $itemClass($key);
        }

        return $items;
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if item exists in the cache, false otherwise.
     */
    public function hasItem($key): bool
    {
        $this->isValidKey($key);

        return isset($this->items[$key]) && $this->items[$key]->isHit();
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if the pool was successfully cleared. False if there was an error.
     */
    public function clear(): bool
    {
        $this->items = [];
        $this->deferredItems = [];

        return true;
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if the item was successfully removed. False if there was an error.
     */
    public function deleteItem($key): bool
    {
        return $this->deleteItems([$key]);
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if the items were successfully removed. False if there was an error.
     */
    public function deleteItems(array $keys): bool
    {
        array_walk($keys, [$this, 'isValidKey']);

        foreach ($keys as $key) {
            unset($this->items[$key]);
        }

        return true;
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if the item was successfully persisted. False if there was an error.
     */
    public function save(CacheItemInterface $item): bool
    {
        $this->items[$item->getKey()] = $item;

        return true;
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   False if the item could not be queued or if a commit was attempted and failed. True otherwise.
     */
    public function saveDeferred(CacheItemInterface $item): bool
    {
        $this->deferredItems[$item->getKey()] = $item;

        return true;
    }

    /**
     * {@inheritdoc}
     *
     * @return bool
     *   True if all not-yet-saved items were successfully saved or there were none. False otherwise.
     */
    public function commit(): bool
    {
        foreach ($this->deferredItems as $item) {
            $this->save($item);
        }

        $this->deferredItems = [];

        return true;
    }

    /**
     * Determines if the provided key is valid.
     *
     * @param string $key
     * @return bool
     * @throws InvalidArgumentException
     */
    private function isValidKey($key)
    {
        $invalidCharacters = '{}()/\\\\@:';

        if (!is_string($key) || preg_match("#[$invalidCharacters]#", $key)) {
            throw new InvalidArgumentException('The provided key is not valid: ' . var_export($key, true));
        }

        return true;
    }
}
PK     ªˆU]B$sÂ'  '  *  vendor/google/auth/src/Cache/TypedItem.phpnu „[µü¤        <?php
/*
 * Copyright 2022 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Cache;

use Psr\Cache\CacheItemInterface;

/**
 * A cache item.
 */
final class TypedItem implements CacheItemInterface
{
    /**
     * @var mixed
     */
    private mixed $value;

    /**
     * @var \DateTimeInterface|null
     */
    private ?\DateTimeInterface $expiration;

    /**
     * @var bool
     */
    private bool $isHit = false;

    /**
     * @param string $key
     */
    public function __construct(
        private string $key
    ) {
        $this->key = $key;
        $this->expiration = null;
    }

    /**
     * {@inheritdoc}
     */
    public function getKey(): string
    {
        return $this->key;
    }

    /**
     * {@inheritdoc}
     */
    public function get(): mixed
    {
        return $this->isHit() ? $this->value : null;
    }

    /**
     * {@inheritdoc}
     */
    public function isHit(): bool
    {
        if (!$this->isHit) {
            return false;
        }

        if ($this->expiration === null) {
            return true;
        }

        return $this->currentTime()->getTimestamp() < $this->expiration->getTimestamp();
    }

    /**
     * {@inheritdoc}
     */
    public function set(mixed $value): static
    {
        $this->isHit = true;
        $this->value = $value;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function expiresAt($expiration): static
    {
        if ($this->isValidExpiration($expiration)) {
            $this->expiration = $expiration;

            return $this;
        }

        $error = sprintf(
            'Argument 1 passed to %s::expiresAt() must implement interface DateTimeInterface, %s given',
            get_class($this),
            gettype($expiration)
        );

        throw new \TypeError($error);
    }

    /**
     * {@inheritdoc}
     */
    public function expiresAfter($time): static
    {
        if (is_int($time)) {
            $this->expiration = $this->currentTime()->add(new \DateInterval("PT{$time}S"));
        } elseif ($time instanceof \DateInterval) {
            $this->expiration = $this->currentTime()->add($time);
        } elseif ($time === null) {
            $this->expiration = $time;
        } else {
            $message = 'Argument 1 passed to %s::expiresAfter() must be an ' .
                       'instance of DateInterval or of the type integer, %s given';
            $error = sprintf($message, get_class($this), gettype($time));

            throw new \TypeError($error);
        }

        return $this;
    }

    /**
     * Determines if an expiration is valid based on the rules defined by PSR6.
     *
     * @param mixed $expiration
     * @return bool
     */
    private function isValidExpiration($expiration)
    {
        if ($expiration === null) {
            return true;
        }

        // We test for two types here due to the fact the DateTimeInterface
        // was not introduced until PHP 5.5. Checking for the DateTime type as
        // well allows us to support 5.4.
        if ($expiration instanceof \DateTimeInterface) {
            return true;
        }

        return false;
    }

    /**
     * @return \DateTime
     */
    protected function currentTime()
    {
        return new \DateTime('now', new \DateTimeZone('UTC'));
    }
}
PK     ªˆU]Œs˜,  ,  9  vendor/google/auth/src/Cache/InvalidArgumentException.phpnu „[µü¤        <?php
/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Cache;

use Psr\Cache\InvalidArgumentException as PsrInvalidArgumentException;

class InvalidArgumentException extends \InvalidArgumentException implements PsrInvalidArgumentException
{
}
PK     ªˆU]Õ5·jÊ  Ê  2  vendor/google/auth/src/Cache/SysVCacheItemPool.phpnu „[µü¤        <?php
/**
 * Copyright 2018 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Google\Auth\Cache;

use Psr\Cache\CacheItemInterface;
use Psr\Cache\CacheItemPoolInterface;

/**
 * SystemV shared memory based CacheItemPool implementation.
 *
 * This CacheItemPool implementation can be used among multiple processes, but
 * it doesn't provide any locking mechanism. If multiple processes write to
 * this ItemPool, you have to avoid race condition manually in your code.
 */
class SysVCacheItemPool implements CacheItemPoolInterface
{
    const VAR_KEY = 1;

    const DEFAULT_PROJ = 'A';

    const DEFAULT_MEMSIZE = 10000;

    const DEFAULT_PERM = 0600;

    /**
     * @var int
     */
    private $sysvKey;

    /**
     * @var CacheItemInterface[]
     */
    private $items;

    /**
     * @var CacheItemInterface[]
     */
    private $deferredItems;

    /**
     * @var array<mixed>
     */
    private $options;

    /**
     * @var bool
     */
    private $hasLoadedItems = false;

    /**
     * Create a SystemV shared memory based CacheItemPool.
     *
     * @param array<mixed> $options {
     *     [optional] Configuration options.
     *
     *     @type int    $variableKey The variable key for getting the data from the shared memory. **Defaults to** 1.
     *     @type string $proj        The project identifier for ftok. This needs to be a one character string. **Defaults to** 'A'.
     *     @type int    $memsize     The memory size in bytes for shm_attach. **Defaults to** 10000.
     *     @type int    $perm        The permission for shm_attach. **Defaults to** 0600.
     * }
     */
    public function __construct($options = [])
    {
        if (! extension_loaded('sysvshm')) {
            throw new \RuntimeException(
                'sysvshm extension is required to use this ItemPool'
            );
        }
        $this->options = $options + [
            'variableKey' => self::VAR_KEY,
            'proj' => self::DEFAULT_PROJ,
            'memsize' => self::DEFAULT_MEMSIZE,
            'perm' => self::DEFAULT_PERM
        ];
        $this->items = [];
        $this->deferredItems = [];
        $this->sysvKey = ftok(__FILE__, $this->options['proj']);
    }

    /**
     * @param mixed $key
     * @return CacheItemInterface
     */
    public function getItem($key): CacheItemInterface
    {
        $this->loadItems();
        return current($this->getItems([$key])); // @phpstan-ignore-line
    }

    /**
     * @param array<mixed> $keys
     * @return iterable<CacheItemInterface>
     */
    public function getItems(array $keys = []): iterable
    {
        $this->loadItems();
        $items = [];
        $itemClass = \PHP_VERSION_ID >= 80000 ? TypedItem::class : Item::class;
        foreach ($keys as $key) {
            $items[$key] = $this->hasItem($key) ?
                clone $this->items[$key] :
                new $itemClass($key);
        }
        return $items;
    }

    /**
     * {@inheritdoc}
     */
    public function hasItem($key): bool
    {
        $this->loadItems();
        return isset($this->items[$key]) && $this->items[$key]->isHit();
    }

    /**
     * {@inheritdoc}
     */
    public function clear(): bool
    {
        $this->items = [];
        $this->deferredItems = [];
        return $this->saveCurrentItems();
    }

    /**
     * {@inheritdoc}
     */
    public function deleteItem($key): bool
    {
        return $this->deleteItems([$key]);
    }

    /**
     * {@inheritdoc}
     */
    public function deleteItems(array $keys): bool
    {
        if (!$this->hasLoadedItems) {
            $this->loadItems();
        }

        foreach ($keys as $key) {
            unset($this->items[$key]);
        }
        return $this->saveCurrentItems();
    }

    /**
     * {@inheritdoc}
     */
    public function save(CacheItemInterface $item): bool
    {
        if (!$this->hasLoadedItems) {
            $this->loadItems();
        }

        $this->items[$item->getKey()] = $item;
        return $this->saveCurrentItems();
    }

    /**
     * {@inheritdoc}
     */
    public function saveDeferred(CacheItemInterface $item): bool
    {
        $this->deferredItems[$item->getKey()] = $item;
        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function commit(): bool
    {
        foreach ($this->deferredItems as $item) {
            if ($this->save($item) === false) {
                return false;
            }
        }
        $this->deferredItems = [];
        return true;
    }

    /**
     * Save the current items.
     *
     * @return bool true when success, false upon failure
     */
    private function saveCurrentItems()
    {
        $shmid = shm_attach(
            $this->sysvKey,
            $this->options['memsize'],
            $this->options['perm']
        );
        if ($shmid !== false) {
            $ret = shm_put_var(
                $shmid,
                $this->options['variableKey'],
                $this->items
            );
            shm_detach($shmid);
            return $ret;
        }
        return false;
    }

    /**
     * Load the items from the shared memory.
     *
     * @return bool true when success, false upon failure
     */
    private function loadItems()
    {
        $shmid = shm_attach(
            $this->sysvKey,
            $this->options['memsize'],
            $this->options['perm']
        );
        if ($shmid !== false) {
            $data = @shm_get_var($shmid, $this->options['variableKey']);
            if (!empty($data)) {
                $this->items = $data;
            } else {
                $this->items = [];
            }
            shm_detach($shmid);
            $this->hasLoadedItems = true;
            return true;
        }
        return false;
    }
}
PK     ªˆU]°mpLE  E  %  vendor/google/auth/src/Cache/Item.phpnu „[µü¤        <?php
/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth\Cache;

use DateTime;
use DateTimeInterface;
use DateTimeZone;
use Psr\Cache\CacheItemInterface;
use TypeError;

/**
 * A cache item.
 */
final class Item implements CacheItemInterface
{
    /**
     * @var string
     */
    private $key;

    /**
     * @var mixed
     */
    private $value;

    /**
     * @var DateTimeInterface|null
     */
    private $expiration;

    /**
     * @var bool
     */
    private $isHit = false;

    /**
     * @param string $key
     */
    public function __construct($key)
    {
        $this->key = $key;
    }

    /**
     * {@inheritdoc}
     */
    public function getKey()
    {
        return $this->key;
    }

    /**
     * {@inheritdoc}
     */
    public function get()
    {
        return $this->isHit() ? $this->value : null;
    }

    /**
     * {@inheritdoc}
     */
    public function isHit()
    {
        if (!$this->isHit) {
            return false;
        }

        if ($this->expiration === null) {
            return true;
        }

        return $this->currentTime()->getTimestamp() < $this->expiration->getTimestamp();
    }

    /**
     * {@inheritdoc}
     */
    public function set($value)
    {
        $this->isHit = true;
        $this->value = $value;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function expiresAt($expiration)
    {
        if ($this->isValidExpiration($expiration)) {
            $this->expiration = $expiration;

            return $this;
        }

        $error = sprintf(
            'Argument 1 passed to %s::expiresAt() must implement interface DateTimeInterface, %s given',
            get_class($this),
            gettype($expiration)
        );

        throw new TypeError($error);
    }

    /**
     * {@inheritdoc}
     */
    public function expiresAfter($time)
    {
        if (is_int($time)) {
            $this->expiration = $this->currentTime()->add(new \DateInterval("PT{$time}S"));
        } elseif ($time instanceof \DateInterval) {
            $this->expiration = $this->currentTime()->add($time);
        } elseif ($time === null) {
            $this->expiration = $time;
        } else {
            $message = 'Argument 1 passed to %s::expiresAfter() must be an ' .
                       'instance of DateInterval or of the type integer, %s given';
            $error = sprintf($message, get_class($this), gettype($time));

            throw new TypeError($error);
        }

        return $this;
    }

    /**
     * Determines if an expiration is valid based on the rules defined by PSR6.
     *
     * @param mixed $expiration
     * @return bool
     */
    private function isValidExpiration($expiration)
    {
        if ($expiration === null) {
            return true;
        }

        if ($expiration instanceof DateTimeInterface) {
            return true;
        }

        return false;
    }

    /**
     * @return DateTime
     */
    protected function currentTime()
    {
        return new DateTime('now', new DateTimeZone('UTC'));
    }
}
PK     ªˆU]ØêVrÝ  Ý  2  vendor/google/auth/src/UpdateMetadataInterface.phpnu „[µü¤        <?php
/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Auth;

/**
 * Describes a Credentials object which supports updating request metadata
 * (request headers).
 */
interface UpdateMetadataInterface
{
    const AUTH_METADATA_KEY = 'authorization';

    /**
     * Updates metadata with the authorization token.
     *
     * @param array<mixed> $metadata metadata hashmap
     * @param string $authUri optional auth uri
     * @param callable $httpHandler callback which delivers psr7 request
     * @return array<mixed> updated metadata hashmap
     */
    public function updateMetadata(
        $metadata,
        $authUri = null,
        callable $httpHandler = null
    );
}
PK     ªˆU]Ë#¬s(  (    vendor/google/apiclient/LICENSEnu „[µü¤        Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

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See the License for the specific language governing permissions and
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PK     ªˆU]ùÕ„U“   “   )  vendor/google/apiclient/phpstan.neon.distnu „[µü¤        parameters:
    treatPhpDocTypesAsCertain: false
    level: 5
    paths:
    - src
    excludePaths:
    - src/AuthHandler/Guzzle5AuthHandler.php

PK     ªˆU]ãaÄÐ%  Ð%  2  vendor/google/apiclient/src/AccessToken/Verify.phpnu „[µü¤        <?php

/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\AccessToken;

use DateTime;
use DomainException;
use Exception;
use ExpiredException;
use Firebase\JWT\ExpiredException as ExpiredExceptionV3;
use Firebase\JWT\Key;
use Firebase\JWT\SignatureInvalidException;
use Google\Auth\Cache\MemoryCacheItemPool;
use Google\Exception as GoogleException;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use InvalidArgumentException;
use LogicException;
use phpseclib3\Crypt\PublicKeyLoader;
use phpseclib3\Crypt\RSA\PublicKey; // Firebase v2
use Psr\Cache\CacheItemPoolInterface;

/**
 * Wrapper around Google Access Tokens which provides convenience functions
 *
 */
class Verify
{
    const FEDERATED_SIGNON_CERT_URL = 'https://www.googleapis.com/oauth2/v3/certs';
    const OAUTH2_ISSUER = 'accounts.google.com';
    const OAUTH2_ISSUER_HTTPS = 'https://accounts.google.com';

    /**
     * @var ClientInterface The http client
     */
    private $http;

    /**
     * @var CacheItemPoolInterface cache class
     */
    private $cache;

    /**
     * @var \Firebase\JWT\JWT
    */
    public $jwt;

    /**
     * Instantiates the class, but does not initiate the login flow, leaving it
     * to the discretion of the caller.
     */
    public function __construct(
        ClientInterface $http = null,
        CacheItemPoolInterface $cache = null,
        $jwt = null
    ) {
        if (null === $http) {
            $http = new Client();
        }

        if (null === $cache) {
            $cache = new MemoryCacheItemPool();
        }

        $this->http = $http;
        $this->cache = $cache;
        $this->jwt = $jwt ?: $this->getJwtService();
    }

    /**
     * Verifies an id token and returns the authenticated apiLoginTicket.
     * Throws an exception if the id token is not valid.
     * The audience parameter can be used to control which id tokens are
     * accepted.  By default, the id token must have been issued to this OAuth2 client.
     *
     * @param string $idToken the ID token in JWT format
     * @param string $audience Optional. The audience to verify against JWt "aud"
     * @return array|false the token payload, if successful
     */
    public function verifyIdToken($idToken, $audience = null)
    {
        if (empty($idToken)) {
            throw new LogicException('id_token cannot be null');
        }

        // set phpseclib constants if applicable
        $this->setPhpsecConstants();

        // Check signature
        $certs = $this->getFederatedSignOnCerts();
        foreach ($certs as $cert) {
            try {
                $args = [$idToken];
                $publicKey = $this->getPublicKey($cert);
                if (class_exists(Key::class)) {
                    $args[] = new Key($publicKey, 'RS256');
                } else {
                    $args[] = $publicKey;
                    $args[] = ['RS256'];
                }
                $payload = \call_user_func_array([$this->jwt, 'decode'], $args);

                if (property_exists($payload, 'aud')) {
                    if ($audience && $payload->aud != $audience) {
                        return false;
                    }
                }

                // support HTTP and HTTPS issuers
                // @see https://developers.google.com/identity/sign-in/web/backend-auth
                $issuers = [self::OAUTH2_ISSUER, self::OAUTH2_ISSUER_HTTPS];
                if (!isset($payload->iss) || !in_array($payload->iss, $issuers)) {
                    return false;
                }

                return (array) $payload;
            } catch (ExpiredException $e) { // @phpstan-ignore-line
                return false;
            } catch (ExpiredExceptionV3 $e) {
                return false;
            } catch (SignatureInvalidException $e) {
                // continue
            } catch (DomainException $e) {
                // continue
            }
        }

        return false;
    }

    private function getCache()
    {
        return $this->cache;
    }

    /**
     * Retrieve and cache a certificates file.
     *
     * @param string $url location
     * @throws \Google\Exception
     * @return array certificates
     */
    private function retrieveCertsFromLocation($url)
    {
        // If we're retrieving a local file, just grab it.
        if (0 !== strpos($url, 'http')) {
            if (!$file = file_get_contents($url)) {
                throw new GoogleException(
                    "Failed to retrieve verification certificates: '" .
                    $url . "'."
                );
            }

            return json_decode($file, true);
        }

        // @phpstan-ignore-next-line
        $response = $this->http->get($url);

        if ($response->getStatusCode() == 200) {
            return json_decode((string) $response->getBody(), true);
        }
        throw new GoogleException(
            sprintf(
                'Failed to retrieve verification certificates: "%s".',
                $response->getBody()->getContents()
            ),
            $response->getStatusCode()
        );
    }

    // Gets federated sign-on certificates to use for verifying identity tokens.
    // Returns certs as array structure, where keys are key ids, and values
    // are PEM encoded certificates.
    private function getFederatedSignOnCerts()
    {
        $certs = null;
        if ($cache = $this->getCache()) {
            $cacheItem = $cache->getItem('federated_signon_certs_v3');
            $certs = $cacheItem->get();
        }


        if (!$certs) {
            $certs = $this->retrieveCertsFromLocation(
                self::FEDERATED_SIGNON_CERT_URL
            );

            if ($cache) {
                $cacheItem->expiresAt(new DateTime('+1 hour'));
                $cacheItem->set($certs);
                $cache->save($cacheItem);
            }
        }

        if (!isset($certs['keys'])) {
            throw new InvalidArgumentException(
                'federated sign-on certs expects "keys" to be set'
            );
        }

        return $certs['keys'];
    }

    private function getJwtService()
    {
        $jwtClass = 'JWT';
        if (class_exists('\Firebase\JWT\JWT')) {
            $jwtClass = 'Firebase\JWT\JWT';
        }

        if (property_exists($jwtClass, 'leeway') && $jwtClass::$leeway < 1) {
            // Ensures JWT leeway is at least 1
            // @see https://github.com/google/google-api-php-client/issues/827
            $jwtClass::$leeway = 1;
        }

        // @phpstan-ignore-next-line
        return new $jwtClass();
    }

    private function getPublicKey($cert)
    {
        $bigIntClass = $this->getBigIntClass();
        $modulus = new $bigIntClass($this->jwt->urlsafeB64Decode($cert['n']), 256);
        $exponent = new $bigIntClass($this->jwt->urlsafeB64Decode($cert['e']), 256);
        $component = ['n' => $modulus, 'e' => $exponent];

        if (class_exists('phpseclib3\Crypt\RSA\PublicKey')) {
            /** @var PublicKey $loader */
            $loader = PublicKeyLoader::load($component);

            return $loader->toString('PKCS8');
        }

        $rsaClass = $this->getRsaClass();
        $rsa = new $rsaClass();
        $rsa->loadKey($component);

        return $rsa->getPublicKey();
    }

    private function getRsaClass()
    {
        if (class_exists('phpseclib3\Crypt\RSA')) {
            return 'phpseclib3\Crypt\RSA';
        }

        if (class_exists('phpseclib\Crypt\RSA')) {
            return 'phpseclib\Crypt\RSA';
        }

        return 'Crypt_RSA';
    }

    private function getBigIntClass()
    {
        if (class_exists('phpseclib3\Math\BigInteger')) {
            return 'phpseclib3\Math\BigInteger';
        }

        if (class_exists('phpseclib\Math\BigInteger')) {
            return 'phpseclib\Math\BigInteger';
        }

        return 'Math_BigInteger';
    }

    private function getOpenSslConstant()
    {
        if (class_exists('phpseclib3\Crypt\AES')) {
            return 'phpseclib3\Crypt\AES::ENGINE_OPENSSL';
        }

        if (class_exists('phpseclib\Crypt\RSA')) {
            return 'phpseclib\Crypt\RSA::MODE_OPENSSL';
        }

        if (class_exists('Crypt_RSA')) {
            return 'CRYPT_RSA_MODE_OPENSSL';
        }

        throw new Exception('Cannot find RSA class');
    }

    /**
   * phpseclib calls "phpinfo" by default, which requires special
   * whitelisting in the AppEngine VM environment. This function
   * sets constants to bypass the need for phpseclib to check phpinfo
   *
   * @see phpseclib/Math/BigInteger
   * @see https://github.com/GoogleCloudPlatform/getting-started-php/issues/85
   */
    private function setPhpsecConstants()
    {
        if (filter_var(getenv('GAE_VM'), FILTER_VALIDATE_BOOLEAN)) {
            if (!defined('MATH_BIGINTEGER_OPENSSL_ENABLED')) {
                define('MATH_BIGINTEGER_OPENSSL_ENABLED', true);
            }
            if (!defined('CRYPT_RSA_MODE')) {
                define('CRYPT_RSA_MODE', constant($this->getOpenSslConstant()));
            }
        }
    }
}
PK     ªˆU]U,qö(	  (	  2  vendor/google/apiclient/src/AccessToken/Revoke.phpnu „[µü¤        <?php

/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\AccessToken;

use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Client;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Request;

/**
 * Wrapper around Google Access Tokens which provides convenience functions
 *
 */
class Revoke
{
    /**
     * @var ClientInterface The http client
     */
    private $http;

    /**
     * Instantiates the class, but does not initiate the login flow, leaving it
     * to the discretion of the caller.
     */
    public function __construct(ClientInterface $http = null)
    {
        $this->http = $http;
    }

    /**
     * Revoke an OAuth2 access token or refresh token. This method will revoke the current access
     * token, if a token isn't provided.
     *
     * @param string|array $token The token (access token or a refresh token) that should be revoked.
     * @return boolean Returns True if the revocation was successful, otherwise False.
     */
    public function revokeToken($token)
    {
        if (is_array($token)) {
            if (isset($token['refresh_token'])) {
                $token = $token['refresh_token'];
            } else {
                $token = $token['access_token'];
            }
        }

        $body = Psr7\Utils::streamFor(http_build_query(['token' => $token]));
        $request = new Request(
            'POST',
            Client::OAUTH2_REVOKE_URI,
            [
                'Cache-Control' => 'no-store',
                'Content-Type'  => 'application/x-www-form-urlencoded',
            ],
            $body
        );

        $httpHandler = HttpHandlerFactory::build($this->http);

        $response = $httpHandler($request);

        return $response->getStatusCode() == 200;
    }
}
PK     ªˆU]
€ì    >  vendor/google/apiclient/src/AuthHandler/Guzzle6AuthHandler.phpnu „[µü¤        <?php

namespace Google\AuthHandler;

use Google\Auth\CredentialsLoader;
use Google\Auth\FetchAuthTokenCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\Middleware\AuthTokenMiddleware;
use Google\Auth\Middleware\ScopedAccessTokenMiddleware;
use Google\Auth\Middleware\SimpleMiddleware;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use Psr\Cache\CacheItemPoolInterface;

/**
 * This supports Guzzle 6
 */
class Guzzle6AuthHandler
{
    protected $cache;
    protected $cacheConfig;

    public function __construct(CacheItemPoolInterface $cache = null, array $cacheConfig = [])
    {
        $this->cache = $cache;
        $this->cacheConfig = $cacheConfig;
    }

    public function attachCredentials(
        ClientInterface $http,
        CredentialsLoader $credentials,
        callable $tokenCallback = null
    ) {
        // use the provided cache
        if ($this->cache) {
            $credentials = new FetchAuthTokenCache(
                $credentials,
                $this->cacheConfig,
                $this->cache
            );
        }

        return $this->attachCredentialsCache($http, $credentials, $tokenCallback);
    }

    public function attachCredentialsCache(
        ClientInterface $http,
        FetchAuthTokenCache $credentials,
        callable $tokenCallback = null
    ) {
        // if we end up needing to make an HTTP request to retrieve credentials, we
        // can use our existing one, but we need to throw exceptions so the error
        // bubbles up.
        $authHttp = $this->createAuthHttp($http);
        $authHttpHandler = HttpHandlerFactory::build($authHttp);
        $middleware = new AuthTokenMiddleware(
            $credentials,
            $authHttpHandler,
            $tokenCallback
        );

        $config = $http->getConfig();
        $config['handler']->remove('google_auth');
        $config['handler']->push($middleware, 'google_auth');
        $config['auth'] = 'google_auth';
        $http = new Client($config);

        return $http;
    }

    public function attachToken(ClientInterface $http, array $token, array $scopes)
    {
        $tokenFunc = function ($scopes) use ($token) {
            return $token['access_token'];
        };

        $middleware = new ScopedAccessTokenMiddleware(
            $tokenFunc,
            $scopes,
            $this->cacheConfig,
            $this->cache
        );

        $config = $http->getConfig();
        $config['handler']->remove('google_auth');
        $config['handler']->push($middleware, 'google_auth');
        $config['auth'] = 'scoped';
        $http = new Client($config);

        return $http;
    }

    public function attachKey(ClientInterface $http, $key)
    {
        $middleware = new SimpleMiddleware(['key' => $key]);

        $config = $http->getConfig();
        $config['handler']->remove('google_auth');
        $config['handler']->push($middleware, 'google_auth');
        $config['auth'] = 'simple';
        $http = new Client($config);

        return $http;
    }

    private function createAuthHttp(ClientInterface $http)
    {
        return new Client([
            'base_uri' => $http->getConfig('base_uri'),
            'http_errors' => true,
            'verify' => $http->getConfig('verify'),
            'proxy' => $http->getConfig('proxy'),
        ]);
    }
}
PK     «ˆU]ÅýYÔ  Ô  >  vendor/google/apiclient/src/AuthHandler/Guzzle7AuthHandler.phpnu „[µü¤        <?php
/**
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\AuthHandler;

/**
 * This supports Guzzle 7
 */
class Guzzle7AuthHandler extends Guzzle6AuthHandler
{
}
PK     «ˆU]‡
½å  å  >  vendor/google/apiclient/src/AuthHandler/Guzzle5AuthHandler.phpnu „[µü¤        <?php

namespace Google\AuthHandler;

use Google\Auth\CredentialsLoader;
use Google\Auth\FetchAuthTokenCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\Subscriber\AuthTokenSubscriber;
use Google\Auth\Subscriber\ScopedAccessTokenSubscriber;
use Google\Auth\Subscriber\SimpleSubscriber;
use GuzzleHttp\Client;
use GuzzleHttp\ClientInterface;
use Psr\Cache\CacheItemPoolInterface;

/**
 * This supports Guzzle 5
 */
class Guzzle5AuthHandler
{
    protected $cache;
    protected $cacheConfig;

    public function __construct(CacheItemPoolInterface $cache = null, array $cacheConfig = [])
    {
        $this->cache = $cache;
        $this->cacheConfig = $cacheConfig;
    }

    public function attachCredentials(
        ClientInterface $http,
        CredentialsLoader $credentials,
        callable $tokenCallback = null
    ) {
        // use the provided cache
        if ($this->cache) {
            $credentials = new FetchAuthTokenCache(
                $credentials,
                $this->cacheConfig,
                $this->cache
            );
        }

        return $this->attachCredentialsCache($http, $credentials, $tokenCallback);
    }

    public function attachCredentialsCache(
        ClientInterface $http,
        FetchAuthTokenCache $credentials,
        callable $tokenCallback = null
    ) {
        // if we end up needing to make an HTTP request to retrieve credentials, we
        // can use our existing one, but we need to throw exceptions so the error
        // bubbles up.
        $authHttp = $this->createAuthHttp($http);
        $authHttpHandler = HttpHandlerFactory::build($authHttp);
        $subscriber = new AuthTokenSubscriber(
            $credentials,
            $authHttpHandler,
            $tokenCallback
        );

        $http->setDefaultOption('auth', 'google_auth');
        $http->getEmitter()->attach($subscriber);

        return $http;
    }

    public function attachToken(ClientInterface $http, array $token, array $scopes)
    {
        $tokenFunc = function ($scopes) use ($token) {
            return $token['access_token'];
        };

        $subscriber = new ScopedAccessTokenSubscriber(
            $tokenFunc,
            $scopes,
            $this->cacheConfig,
            $this->cache
        );

        $http->setDefaultOption('auth', 'scoped');
        $http->getEmitter()->attach($subscriber);

        return $http;
    }

    public function attachKey(ClientInterface $http, $key)
    {
        $subscriber = new SimpleSubscriber(['key' => $key]);

        $http->setDefaultOption('auth', 'simple');
        $http->getEmitter()->attach($subscriber);

        return $http;
    }

    private function createAuthHttp(ClientInterface $http)
    {
        return new Client([
            'base_url' => $http->getBaseUrl(),
            'defaults' => [
                'exceptions' => true,
                'verify' => $http->getDefaultOption('verify'),
                'proxy' => $http->getDefaultOption('proxy'),
            ]
        ]);
    }
}
PK     «ˆU]'
TÅç  ç  >  vendor/google/apiclient/src/AuthHandler/AuthHandlerFactory.phpnu „[µü¤        <?php
/**
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\AuthHandler;

use Exception;
use GuzzleHttp\ClientInterface;

class AuthHandlerFactory
{
    /**
     * Builds out a default http handler for the installed version of guzzle.
     *
     * @return Guzzle5AuthHandler|Guzzle6AuthHandler|Guzzle7AuthHandler
     * @throws Exception
     */
    public static function build($cache = null, array $cacheConfig = [])
    {
        $guzzleVersion = null;
        if (defined('\GuzzleHttp\ClientInterface::MAJOR_VERSION')) {
            $guzzleVersion = ClientInterface::MAJOR_VERSION;
        } elseif (defined('\GuzzleHttp\ClientInterface::VERSION')) {
            // @phpstan-ignore-next-line
            $guzzleVersion = (int) substr(ClientInterface::VERSION, 0, 1);
        }

        switch ($guzzleVersion) {
            case 5:
                return new Guzzle5AuthHandler($cache, $cacheConfig);
            case 6:
                return new Guzzle6AuthHandler($cache, $cacheConfig);
            case 7:
                return new Guzzle7AuthHandler($cache, $cacheConfig);
            default:
                throw new Exception('Version not supported');
        }
    }
}
PK     «ˆU]SØWh¸  ¸  )  vendor/google/apiclient/src/Exception.phpnu „[µü¤        <?php
/*
 * Copyright 2013 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google;

use Exception as BaseException;

class Exception extends BaseException
{
}
PK     «ˆU]íl    *  vendor/google/apiclient/src/Collection.phpnu „[µü¤        <?php

namespace Google;

/**
 * Extension to the regular Google\Model that automatically
 * exposes the items array for iteration, so you can just
 * iterate over the object rather than a reference inside.
 */
class Collection extends Model implements \Iterator, \Countable
{
    protected $collection_key = 'items';

    /** @return void */
    #[\ReturnTypeWillChange]
    public function rewind()
    {
        if (
            isset($this->{$this->collection_key})
            && is_array($this->{$this->collection_key})
        ) {
            reset($this->{$this->collection_key});
        }
    }

    /** @return mixed */
    #[\ReturnTypeWillChange]
    public function current()
    {
        $this->coerceType($this->key());
        if (is_array($this->{$this->collection_key})) {
            return current($this->{$this->collection_key});
        }
    }

    /** @return mixed */
    #[\ReturnTypeWillChange]
    public function key()
    {
        if (
            isset($this->{$this->collection_key})
            && is_array($this->{$this->collection_key})
        ) {
            return key($this->{$this->collection_key});
        }
    }

    /** @return mixed */
    #[\ReturnTypeWillChange]
    public function next()
    {
        return next($this->{$this->collection_key});
    }

    /** @return bool */
    #[\ReturnTypeWillChange]
    public function valid()
    {
        $key = $this->key();
        return $key !== null && $key !== false;
    }

    /** @return int */
    #[\ReturnTypeWillChange]
    public function count()
    {
        if (!isset($this->{$this->collection_key})) {
            return 0;
        }
        return count($this->{$this->collection_key});
    }

    /** @return bool */
    #[\ReturnTypeWillChange]
    public function offsetExists($offset)
    {
        if (!is_numeric($offset)) {
            return parent::offsetExists($offset);
        }
        return isset($this->{$this->collection_key}[$offset]);
    }

    /** @return mixed */
    public function offsetGet($offset)
    {
        if (!is_numeric($offset)) {
            return parent::offsetGet($offset);
        }
        $this->coerceType($offset);
        return $this->{$this->collection_key}[$offset];
    }

    /** @return void */
    #[\ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (!is_numeric($offset)) {
            parent::offsetSet($offset, $value);
        }
        $this->{$this->collection_key}[$offset] = $value;
    }

    /** @return void */
    #[\ReturnTypeWillChange]
    public function offsetUnset($offset)
    {
        if (!is_numeric($offset)) {
            parent::offsetUnset($offset);
        }
        unset($this->{$this->collection_key}[$offset]);
    }

    private function coerceType($offset)
    {
        $keyType = $this->keyType($this->collection_key);
        if ($keyType && !is_object($this->{$this->collection_key}[$offset])) {
            $this->{$this->collection_key}[$offset] =
                new $keyType($this->{$this->collection_key}[$offset]);
        }
    }
}
PK     «ˆU]¤<ËÜò*  ò*  1  vendor/google/apiclient/src/Utils/UriTemplate.phpnu „[µü¤        <?php
/*
 * Copyright 2013 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Utils;

/**
 * Implementation of levels 1-3 of the URI Template spec.
 * @see http://tools.ietf.org/html/rfc6570
 */
class UriTemplate
{
    const TYPE_MAP = "1";
    const TYPE_LIST = "2";
    const TYPE_SCALAR = "4";

    /**
     * @var array $operators
     * These are valid at the start of a template block to
     * modify the way in which the variables inside are
     * processed.
     */
    private $operators = [
        "+" => "reserved",
        "/" => "segments",
        "." => "dotprefix",
        "#" => "fragment",
        ";" => "semicolon",
        "?" => "form",
        "&" => "continuation"
    ];

    /**
     * @var array<string>
     * These are the characters which should not be URL encoded in reserved
     * strings.
     */
    private $reserved = [
        "=", ",", "!", "@", "|", ":", "/", "?", "#",
        "[", "]", '$', "&", "'", "(", ")", "*", "+", ";"
    ];
    private $reservedEncoded = [
        "%3D", "%2C", "%21", "%40", "%7C", "%3A", "%2F", "%3F",
        "%23", "%5B", "%5D", "%24", "%26", "%27", "%28", "%29",
        "%2A", "%2B", "%3B"
    ];

    public function parse($string, array $parameters)
    {
        return $this->resolveNextSection($string, $parameters);
    }

    /**
     * This function finds the first matching {...} block and
     * executes the replacement. It then calls itself to find
     * subsequent blocks, if any.
     */
    private function resolveNextSection($string, $parameters)
    {
        $start = strpos($string, "{");
        if ($start === false) {
            return $string;
        }
        $end = strpos($string, "}");
        if ($end === false) {
            return $string;
        }
        $string = $this->replace($string, $start, $end, $parameters);
        return $this->resolveNextSection($string, $parameters);
    }

    private function replace($string, $start, $end, $parameters)
    {
        // We know a data block will have {} round it, so we can strip that.
        $data = substr($string, $start + 1, $end - $start - 1);

        // If the first character is one of the reserved operators, it effects
        // the processing of the stream.
        if (isset($this->operators[$data[0]])) {
            $op = $this->operators[$data[0]];
            $data = substr($data, 1);
            $prefix = "";
            $prefix_on_missing = false;

            switch ($op) {
                case "reserved":
                    // Reserved means certain characters should not be URL encoded
                    $data = $this->replaceVars($data, $parameters, ",", null, true);
                    break;
                case "fragment":
                    // Comma separated with fragment prefix. Bare values only.
                    $prefix = "#";
                    $prefix_on_missing = true;
                    $data = $this->replaceVars($data, $parameters, ",", null, true);
                    break;
                case "segments":
                    // Slash separated data. Bare values only.
                    $prefix = "/";
                    $data =$this->replaceVars($data, $parameters, "/");
                    break;
                case "dotprefix":
                    // Dot separated data. Bare values only.
                    $prefix = ".";
                    $prefix_on_missing = true;
                    $data = $this->replaceVars($data, $parameters, ".");
                    break;
                case "semicolon":
                    // Semicolon prefixed and separated. Uses the key name
                    $prefix = ";";
                    $data = $this->replaceVars($data, $parameters, ";", "=", false, true, false);
                    break;
                case "form":
                    // Standard URL format. Uses the key name
                    $prefix = "?";
                    $data = $this->replaceVars($data, $parameters, "&", "=");
                    break;
                case "continuation":
                    // Standard URL, but with leading ampersand. Uses key name.
                    $prefix = "&";
                    $data = $this->replaceVars($data, $parameters, "&", "=");
                    break;
            }

            // Add the initial prefix character if data is valid.
            if ($data || ($data !== false && $prefix_on_missing)) {
                $data = $prefix . $data;
            }
        } else {
            // If no operator we replace with the defaults.
            $data = $this->replaceVars($data, $parameters);
        }
        // This is chops out the {...} and replaces with the new section.
        return substr($string, 0, $start) . $data . substr($string, $end + 1);
    }

    private function replaceVars(
        $section,
        $parameters,
        $sep = ",",
        $combine = null,
        $reserved = false,
        $tag_empty = false,
        $combine_on_empty = true
    ) {
        if (strpos($section, ",") === false) {
            // If we only have a single value, we can immediately process.
            return $this->combine(
                $section,
                $parameters,
                $sep,
                $combine,
                $reserved,
                $tag_empty,
                $combine_on_empty
            );
        } else {
            // If we have multiple values, we need to split and loop over them.
            // Each is treated individually, then glued together with the
            // separator character.
            $vars = explode(",", $section);
            return $this->combineList(
                $vars,
                $sep,
                $parameters,
                $combine,
                $reserved,
                false, // Never emit empty strings in multi-param replacements
                $combine_on_empty
            );
        }
    }

    public function combine(
        $key,
        $parameters,
        $sep,
        $combine,
        $reserved,
        $tag_empty,
        $combine_on_empty
    ) {
        $length = false;
        $explode = false;
        $skip_final_combine = false;
        $value = false;

        // Check for length restriction.
        if (strpos($key, ":") !== false) {
            list($key, $length) = explode(":", $key);
        }

        // Check for explode parameter.
        if ($key[strlen($key) - 1] == "*") {
            $explode = true;
            $key = substr($key, 0, -1);
            $skip_final_combine = true;
        }

        // Define the list separator.
        $list_sep = $explode ? $sep : ",";

        if (isset($parameters[$key])) {
            $data_type = $this->getDataType($parameters[$key]);
            switch ($data_type) {
                case self::TYPE_SCALAR:
                    $value = $this->getValue($parameters[$key], $length);
                    break;
                case self::TYPE_LIST:
                    $values = [];
                    foreach ($parameters[$key] as $pkey => $pvalue) {
                        $pvalue = $this->getValue($pvalue, $length);
                        if ($combine && $explode) {
                            $values[$pkey] = $key . $combine . $pvalue;
                        } else {
                            $values[$pkey] = $pvalue;
                        }
                    }
                    $value = implode($list_sep, $values);
                    if ($value == '') {
                        return '';
                    }
                    break;
                case self::TYPE_MAP:
                    $values = [];
                    foreach ($parameters[$key] as $pkey => $pvalue) {
                        $pvalue = $this->getValue($pvalue, $length);
                        if ($explode) {
                            $pkey = $this->getValue($pkey, $length);
                            $values[] = $pkey . "=" . $pvalue; // Explode triggers = combine.
                        } else {
                            $values[] = $pkey;
                            $values[] = $pvalue;
                        }
                    }
                    $value = implode($list_sep, $values);
                    if ($value == '') {
                        return false;
                    }
                    break;
            }
        } elseif ($tag_empty) {
            // If we are just indicating empty values with their key name, return that.
            return $key;
        } else {
            // Otherwise we can skip this variable due to not being defined.
            return false;
        }

        if ($reserved) {
            $value = str_replace($this->reservedEncoded, $this->reserved, $value);
        }

        // If we do not need to include the key name, we just return the raw
        // value.
        if (!$combine || $skip_final_combine) {
            return $value;
        }

        // Else we combine the key name: foo=bar, if value is not the empty string.
        return $key . ($value != '' || $combine_on_empty ? $combine . $value : '');
    }

    /**
     * Return the type of a passed in value
     */
    private function getDataType($data)
    {
        if (is_array($data)) {
            reset($data);
            if (key($data) !== 0) {
                return self::TYPE_MAP;
            }
            return self::TYPE_LIST;
        }
        return self::TYPE_SCALAR;
    }

    /**
     * Utility function that merges multiple combine calls
     * for multi-key templates.
     */
    private function combineList(
        $vars,
        $sep,
        $parameters,
        $combine,
        $reserved,
        $tag_empty,
        $combine_on_empty
    ) {
        $ret = [];
        foreach ($vars as $var) {
            $response = $this->combine(
                $var,
                $parameters,
                $sep,
                $combine,
                $reserved,
                $tag_empty,
                $combine_on_empty
            );
            if ($response === false) {
                continue;
            }
            $ret[] = $response;
        }
        return implode($sep, $ret);
    }

    /**
     * Utility function to encode and trim values
     */
    private function getValue($value, $length)
    {
        if ($length) {
            $value = substr($value, 0, $length);
        }
        $value = rawurlencode($value);
        return $value;
    }
}
PK     «ˆU]SÐêÅ      +  vendor/google/apiclient/src/Task/Runner.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Task;

use Google\Service\Exception as GoogleServiceException;
use Google\Task\Exception as GoogleTaskException;

/**
 * A task runner with exponential backoff support.
 *
 * @see https://developers.google.com/drive/web/handle-errors#implementing_exponential_backoff
 */
class Runner
{
    const TASK_RETRY_NEVER = 0;
    const TASK_RETRY_ONCE = 1;
    const TASK_RETRY_ALWAYS = -1;

    /**
     * @var integer $maxDelay The max time (in seconds) to wait before a retry.
     */
    private $maxDelay = 60;

    /**
     * @var integer $delay The previous delay from which the next is calculated.
     */
    private $delay = 1;

    /**
     * @var integer $factor The base number for the exponential back off.
     */
    private $factor = 2;

    /**
     * @var float $jitter A random number between -$jitter and $jitter will be
     * added to $factor on each iteration to allow for a better distribution of
     * retries.
     */
    private $jitter = 0.5;

    /**
     * @var integer $attempts The number of attempts that have been tried so far.
     */
    private $attempts = 0;

    /**
     * @var integer $maxAttempts The max number of attempts allowed.
     */
    private $maxAttempts = 1;

    /**
     * @var callable $action The task to run and possibly retry.
     */
    private $action;

    /**
     * @var array $arguments The task arguments.
     */
    private $arguments;

    /**
     * @var array $retryMap Map of errors with retry counts.
     */
    protected $retryMap = [
        '500' => self::TASK_RETRY_ALWAYS,
        '503' => self::TASK_RETRY_ALWAYS,
        'rateLimitExceeded' => self::TASK_RETRY_ALWAYS,
        'userRateLimitExceeded' => self::TASK_RETRY_ALWAYS,
        6  => self::TASK_RETRY_ALWAYS,  // CURLE_COULDNT_RESOLVE_HOST
        7  => self::TASK_RETRY_ALWAYS,  // CURLE_COULDNT_CONNECT
        28 => self::TASK_RETRY_ALWAYS,  // CURLE_OPERATION_TIMEOUTED
        35 => self::TASK_RETRY_ALWAYS,  // CURLE_SSL_CONNECT_ERROR
        52 => self::TASK_RETRY_ALWAYS,  // CURLE_GOT_NOTHING
        'lighthouseError' => self::TASK_RETRY_NEVER
    ];

    /**
     * Creates a new task runner with exponential backoff support.
     *
     * @param array $config The task runner config
     * @param string $name The name of the current task (used for logging)
     * @param callable $action The task to run and possibly retry
     * @param array $arguments The task arguments
     * @throws \Google\Task\Exception when misconfigured
     */
    // @phpstan-ignore-next-line
    public function __construct(
        $config,
        $name,
        $action,
        array $arguments = []
    ) {
        if (isset($config['initial_delay'])) {
            if ($config['initial_delay'] < 0) {
                throw new GoogleTaskException(
                    'Task configuration `initial_delay` must not be negative.'
                );
            }

            $this->delay = $config['initial_delay'];
        }

        if (isset($config['max_delay'])) {
            if ($config['max_delay'] <= 0) {
                throw new GoogleTaskException(
                    'Task configuration `max_delay` must be greater than 0.'
                );
            }

            $this->maxDelay = $config['max_delay'];
        }

        if (isset($config['factor'])) {
            if ($config['factor'] <= 0) {
                throw new GoogleTaskException(
                    'Task configuration `factor` must be greater than 0.'
                );
            }

            $this->factor = $config['factor'];
        }

        if (isset($config['jitter'])) {
            if ($config['jitter'] <= 0) {
                throw new GoogleTaskException(
                    'Task configuration `jitter` must be greater than 0.'
                );
            }

            $this->jitter = $config['jitter'];
        }

        if (isset($config['retries'])) {
            if ($config['retries'] < 0) {
                throw new GoogleTaskException(
                    'Task configuration `retries` must not be negative.'
                );
            }
            $this->maxAttempts += $config['retries'];
        }

        if (!is_callable($action)) {
            throw new GoogleTaskException(
                'Task argument `$action` must be a valid callable.'
            );
        }

        $this->action = $action;
        $this->arguments = $arguments;
    }

    /**
     * Checks if a retry can be attempted.
     *
     * @return boolean
     */
    public function canAttempt()
    {
        return $this->attempts < $this->maxAttempts;
    }

    /**
     * Runs the task and (if applicable) automatically retries when errors occur.
     *
     * @return mixed
     * @throws \Google\Service\Exception on failure when no retries are available.
     */
    public function run()
    {
        while ($this->attempt()) {
            try {
                return call_user_func_array($this->action, $this->arguments);
            } catch (GoogleServiceException $exception) {
                $allowedRetries = $this->allowedRetries(
                    $exception->getCode(),
                    $exception->getErrors()
                );

                if (!$this->canAttempt() || !$allowedRetries) {
                    throw $exception;
                }

                if ($allowedRetries > 0) {
                    $this->maxAttempts = min(
                        $this->maxAttempts,
                        $this->attempts + $allowedRetries
                    );
                }
            }
        }
    }

    /**
     * Runs a task once, if possible. This is useful for bypassing the `run()`
     * loop.
     *
     * NOTE: If this is not the first attempt, this function will sleep in
     * accordance to the backoff configurations before running the task.
     *
     * @return boolean
     */
    public function attempt()
    {
        if (!$this->canAttempt()) {
            return false;
        }

        if ($this->attempts > 0) {
            $this->backOff();
        }

        $this->attempts++;

        return true;
    }

    /**
     * Sleeps in accordance to the backoff configurations.
     */
    private function backOff()
    {
        $delay = $this->getDelay();

        usleep((int) ($delay * 1000000));
    }

    /**
     * Gets the delay (in seconds) for the current backoff period.
     *
     * @return int
     */
    private function getDelay()
    {
        $jitter = $this->getJitter();
        $factor = $this->attempts > 1 ? $this->factor + $jitter : 1 + abs($jitter);

        return $this->delay = min($this->maxDelay, $this->delay * $factor);
    }

    /**
     * Gets the current jitter (random number between -$this->jitter and
     * $this->jitter).
     *
     * @return float
     */
    private function getJitter()
    {
        return $this->jitter * 2 * mt_rand() / mt_getrandmax() - $this->jitter;
    }

    /**
     * Gets the number of times the associated task can be retried.
     *
     * NOTE: -1 is returned if the task can be retried indefinitely
     *
     * @return integer
     */
    public function allowedRetries($code, $errors = [])
    {
        if (isset($this->retryMap[$code])) {
            return $this->retryMap[$code];
        }

        if (
            !empty($errors) &&
            isset($errors[0]['reason'], $this->retryMap[$errors[0]['reason']])
        ) {
            return $this->retryMap[$errors[0]['reason']];
        }

        return 0;
    }

    public function setRetryMap($retryMap)
    {
        $this->retryMap = $retryMap;
    }
}
PK     «ˆU]|cB(È  È  .  vendor/google/apiclient/src/Task/Exception.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Task;

use Google\Exception as GoogleException;

class Exception extends GoogleException
{
}
PK     «ˆU]]:½	½  ½  -  vendor/google/apiclient/src/Task/Composer.phpnu „[µü¤        <?php
/*
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Task;

use Composer\Script\Event;
use InvalidArgumentException;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;

class Composer
{
    /**
     * @param Event $event Composer event passed in for any script method
     * @param Filesystem $filesystem Optional. Used for testing.
     */
    public static function cleanup(
        Event $event,
        Filesystem $filesystem = null
    ) {
        $composer = $event->getComposer();
        $extra = $composer->getPackage()->getExtra();
        $servicesToKeep = isset($extra['google/apiclient-services'])
            ? $extra['google/apiclient-services']
            : [];
        if ($servicesToKeep) {
            $vendorDir = $composer->getConfig()->get('vendor-dir');
            $serviceDir = sprintf(
                '%s/google/apiclient-services/src/Google/Service',
                $vendorDir
            );
            if (!is_dir($serviceDir)) {
                // path for google/apiclient-services >= 0.200.0
                $serviceDir = sprintf(
                    '%s/google/apiclient-services/src',
                    $vendorDir
                );
            }
            self::verifyServicesToKeep($serviceDir, $servicesToKeep);
            $finder = self::getServicesToRemove($serviceDir, $servicesToKeep);
            $filesystem = $filesystem ?: new Filesystem();
            if (0 !== $count = count($finder)) {
                $event->getIO()->write(
                    sprintf('Removing %s google services', $count)
                );
                foreach ($finder as $file) {
                    $realpath = $file->getRealPath();
                    $filesystem->remove($realpath);
                    $filesystem->remove($realpath . '.php');
                }
            }
        }
    }

    /**
     * @throws InvalidArgumentException when the service doesn't exist
     */
    private static function verifyServicesToKeep(
        $serviceDir,
        array $servicesToKeep
    ) {
        $finder = (new Finder())
            ->directories()
            ->depth('== 0');

        foreach ($servicesToKeep as $service) {
            if (!preg_match('/^[a-zA-Z0-9]*$/', $service)) {
                throw new InvalidArgumentException(
                    sprintf(
                        'Invalid Google service name "%s"',
                        $service
                    )
                );
            }
            try {
                $finder->in($serviceDir . '/' . $service);
            } catch (InvalidArgumentException $e) {
                throw new InvalidArgumentException(
                    sprintf(
                        'Google service "%s" does not exist or was removed previously',
                        $service
                    )
                );
            }
        }
    }

    private static function getServicesToRemove(
        $serviceDir,
        array $servicesToKeep
    ) {
        // find all files in the current directory
        return (new Finder())
            ->directories()
            ->depth('== 0')
            ->in($serviceDir)
            ->exclude($servicesToKeep);
    }
}
PK     «ˆU]ÒþFàï  ï  .  vendor/google/apiclient/src/Task/Retryable.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Task;

/**
 * Interface for checking how many times a given task can be retried following
 * a failure.
 */
interface Retryable
{
}
PK     «ˆU]§³ÄÎ'  Î'  %  vendor/google/apiclient/src/Model.phpnu „[µü¤        <?php
/*
 * Copyright 2011 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google;

use Google\Exception as GoogleException;
use ReflectionObject;
use ReflectionProperty;
use stdClass;

/**
 * This class defines attributes, valid values, and usage which is generated
 * from a given json schema.
 * http://tools.ietf.org/html/draft-zyp-json-schema-03#section-5
 *
 */
class Model implements \ArrayAccess
{
    /**
     * If you need to specify a NULL JSON value, use Google\Model::NULL_VALUE
     * instead - it will be replaced when converting to JSON with a real null.
     */
    const NULL_VALUE = "{}gapi-php-null";
    protected $internal_gapi_mappings = [];
    protected $modelData = [];
    protected $processed = [];

    /**
     * Polymorphic - accepts a variable number of arguments dependent
     * on the type of the model subclass.
     */
    final public function __construct()
    {
        if (func_num_args() == 1 && is_array(func_get_arg(0))) {
            // Initialize the model with the array's contents.
            $array = func_get_arg(0);
            $this->mapTypes($array);
        }
        $this->gapiInit();
    }

    /**
     * Getter that handles passthrough access to the data array, and lazy object creation.
     * @param string $key Property name.
     * @return mixed The value if any, or null.
     */
    public function __get($key)
    {
        $keyType = $this->keyType($key);
        $keyDataType = $this->dataType($key);
        if ($keyType && !isset($this->processed[$key])) {
            if (isset($this->modelData[$key])) {
                $val = $this->modelData[$key];
            } elseif ($keyDataType == 'array' || $keyDataType == 'map') {
                $val = [];
            } else {
                $val = null;
            }

            if ($this->isAssociativeArray($val)) {
                if ($keyDataType && 'map' == $keyDataType) {
                    foreach ($val as $arrayKey => $arrayItem) {
                        $this->modelData[$key][$arrayKey] =
                            new $keyType($arrayItem);
                    }
                } else {
                    $this->modelData[$key] = new $keyType($val);
                }
            } elseif (is_array($val)) {
                $arrayObject = [];
                foreach ($val as $arrayIndex => $arrayItem) {
                    $arrayObject[$arrayIndex] = new $keyType($arrayItem);
                }
                $this->modelData[$key] = $arrayObject;
            }
            $this->processed[$key] = true;
        }

        return isset($this->modelData[$key]) ? $this->modelData[$key] : null;
    }

    /**
     * Initialize this object's properties from an array.
     *
     * @param array $array Used to seed this object's properties.
     * @return void
     */
    protected function mapTypes($array)
    {
        // Hard initialise simple types, lazy load more complex ones.
        foreach ($array as $key => $val) {
            if ($keyType = $this->keyType($key)) {
                $dataType = $this->dataType($key);
                if ($dataType == 'array' || $dataType == 'map') {
                    $this->$key = [];
                    foreach ($val as $itemKey => $itemVal) {
                        if ($itemVal instanceof $keyType) {
                            $this->{$key}[$itemKey] = $itemVal;
                        } else {
                            $this->{$key}[$itemKey] = new $keyType($itemVal);
                        }
                    }
                } elseif ($val instanceof $keyType) {
                    $this->$key = $val;
                } else {
                    $this->$key = new $keyType($val);
                }
                unset($array[$key]);
            } elseif (property_exists($this, $key)) {
                $this->$key = $val;
                unset($array[$key]);
            } elseif (property_exists($this, $camelKey = $this->camelCase($key))) {
                // This checks if property exists as camelCase, leaving it in array as snake_case
                // in case of backwards compatibility issues.
                $this->$camelKey = $val;
            }
        }
        $this->modelData = $array;
    }

    /**
     * Blank initialiser to be used in subclasses to do  post-construction initialisation - this
     * avoids the need for subclasses to have to implement the variadics handling in their
     * constructors.
     */
    protected function gapiInit()
    {
        return;
    }

    /**
     * Create a simplified object suitable for straightforward
     * conversion to JSON. This is relatively expensive
     * due to the usage of reflection, but shouldn't be called
     * a whole lot, and is the most straightforward way to filter.
     */
    public function toSimpleObject()
    {
        $object = new stdClass();

        // Process all other data.
        foreach ($this->modelData as $key => $val) {
            $result = $this->getSimpleValue($val);
            if ($result !== null) {
                $object->$key = $this->nullPlaceholderCheck($result);
            }
        }

        // Process all public properties.
        $reflect = new ReflectionObject($this);
        $props = $reflect->getProperties(ReflectionProperty::IS_PUBLIC);
        foreach ($props as $member) {
            $name = $member->getName();
            $result = $this->getSimpleValue($this->$name);
            if ($result !== null) {
                $name = $this->getMappedName($name);
                $object->$name = $this->nullPlaceholderCheck($result);
            }
        }

        return $object;
    }

    /**
     * Handle different types of values, primarily
     * other objects and map and array data types.
     */
    private function getSimpleValue($value)
    {
        if ($value instanceof Model) {
            return $value->toSimpleObject();
        } elseif (is_array($value)) {
            $return = [];
            foreach ($value as $key => $a_value) {
                $a_value = $this->getSimpleValue($a_value);
                if ($a_value !== null) {
                    $key = $this->getMappedName($key);
                    $return[$key] = $this->nullPlaceholderCheck($a_value);
                }
            }
            return $return;
        }
        return $value;
    }

    /**
     * Check whether the value is the null placeholder and return true null.
     */
    private function nullPlaceholderCheck($value)
    {
        if ($value === self::NULL_VALUE) {
            return null;
        }
        return $value;
    }

    /**
     * If there is an internal name mapping, use that.
     */
    private function getMappedName($key)
    {
        if (isset($this->internal_gapi_mappings, $this->internal_gapi_mappings[$key])) {
            $key = $this->internal_gapi_mappings[$key];
        }
        return $key;
    }

    /**
     * Returns true only if the array is associative.
     * @param array $array
     * @return bool True if the array is associative.
     */
    protected function isAssociativeArray($array)
    {
        if (!is_array($array)) {
            return false;
        }
        $keys = array_keys($array);
        foreach ($keys as $key) {
            if (is_string($key)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Verify if $obj is an array.
     * @throws \Google\Exception Thrown if $obj isn't an array.
     * @param array $obj Items that should be validated.
     * @param string $method Method expecting an array as an argument.
     */
    public function assertIsArray($obj, $method)
    {
        if ($obj && !is_array($obj)) {
            throw new GoogleException(
                "Incorrect parameter type passed to $method(). Expected an array."
            );
        }
    }

    /** @return bool */
    #[\ReturnTypeWillChange]
    public function offsetExists($offset)
    {
        return isset($this->$offset) || isset($this->modelData[$offset]);
    }

    /** @return mixed */
    #[\ReturnTypeWillChange]
    public function offsetGet($offset)
    {
        return isset($this->$offset) ?
        $this->$offset :
        $this->__get($offset);
    }

    /** @return void */
    #[\ReturnTypeWillChange]
    public function offsetSet($offset, $value)
    {
        if (property_exists($this, $offset)) {
            $this->$offset = $value;
        } else {
            $this->modelData[$offset] = $value;
            $this->processed[$offset] = true;
        }
    }

    /** @return void */
    #[\ReturnTypeWillChange]
    public function offsetUnset($offset)
    {
        unset($this->modelData[$offset]);
    }

    protected function keyType($key)
    {
        $keyType = $key . "Type";

        // ensure keyType is a valid class
        if (property_exists($this, $keyType) && class_exists($this->$keyType)) {
            return $this->$keyType;
        }
    }

    protected function dataType($key)
    {
        $dataType = $key . "DataType";

        if (property_exists($this, $dataType)) {
            return $this->$dataType;
        }
    }

    public function __isset($key)
    {
        return isset($this->modelData[$key]);
    }

    public function __unset($key)
    {
        unset($this->modelData[$key]);
    }

    /**
   * Convert a string to camelCase
   * @param  string $value
   * @return string
   */
    private function camelCase($value)
    {
        $value = ucwords(str_replace(['-', '_'], ' ', $value));
        $value = str_replace(' ', '', $value);
        $value[0] = strtolower($value[0]);
        return $value;
    }
}
PK     «ˆU]Í=³  ³  1  vendor/google/apiclient/src/Service/Exception.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Service;

use Google\Exception as GoogleException;

class Exception extends GoogleException
{
    /**
     * Optional list of errors returned in a JSON body of an HTTP error response.
     */
    protected $errors = [];

    /**
     * Override default constructor to add the ability to set $errors and a retry
     * map.
     *
     * @param string $message
     * @param int $code
     * @param Exception|null $previous
     * @param array<string,string> $errors List of errors returned in an HTTP
     * response.  Defaults to [].
     */
    public function __construct(
        $message,
        $code = 0,
        Exception $previous = null,
        $errors = []
    ) {
        if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
            parent::__construct($message, $code, $previous);
        } else {
            parent::__construct($message, $code);
        }

        $this->errors = $errors;
    }

    /**
     * An example of the possible errors returned.
     *
     * {
     *   "domain": "global",
     *   "reason": "authError",
     *   "message": "Invalid Credentials",
     *   "locationType": "header",
     *   "location": "Authorization",
     * }
     *
     * @return array<string,string> List of errors return in an HTTP response or [].
     */
    public function getErrors()
    {
        return $this->errors;
    }
}
PK     «ˆU]]¤�nÑ+  Ñ+  0  vendor/google/apiclient/src/Service/Resource.phpnu „[µü¤        <?php
/**
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Service;

use Google\Exception as GoogleException;
use Google\Http\MediaFileUpload;
use Google\Model;
use Google\Utils\UriTemplate;
use GuzzleHttp\Psr7\Request;

/**
 * Implements the actual methods/resources of the discovered Google API using magic function
 * calling overloading (__call()), which on call will see if the method name (plus.activities.list)
 * is available in this service, and if so construct an apiHttpRequest representing it.
 *
 */
class Resource
{
    // Valid query parameters that work, but don't appear in discovery.
    private $stackParameters = [
        'alt' => ['type' => 'string', 'location' => 'query'],
        'fields' => ['type' => 'string', 'location' => 'query'],
        'trace' => ['type' => 'string', 'location' => 'query'],
        'userIp' => ['type' => 'string', 'location' => 'query'],
        'quotaUser' => ['type' => 'string', 'location' => 'query'],
        'data' => ['type' => 'string', 'location' => 'body'],
        'mimeType' => ['type' => 'string', 'location' => 'header'],
        'uploadType' => ['type' => 'string', 'location' => 'query'],
        'mediaUpload' => ['type' => 'complex', 'location' => 'query'],
        'prettyPrint' => ['type' => 'string', 'location' => 'query'],
    ];

    /** @var string $rootUrl */
    private $rootUrl;

    /** @var \Google\Client $client */
    private $client;

    /** @var string $serviceName */
    private $serviceName;

    /** @var string $servicePath */
    private $servicePath;

    /** @var string $resourceName */
    private $resourceName;

    /** @var array $methods */
    private $methods;

    public function __construct($service, $serviceName, $resourceName, $resource)
    {
        $this->rootUrl = $service->rootUrl;
        $this->client = $service->getClient();
        $this->servicePath = $service->servicePath;
        $this->serviceName = $serviceName;
        $this->resourceName = $resourceName;
        $this->methods = is_array($resource) && isset($resource['methods']) ?
        $resource['methods'] :
        [$resourceName => $resource];
    }

    /**
     * TODO: This function needs simplifying.
     *
     * @template T
     * @param string $name
     * @param array $arguments
     * @param class-string<T> $expectedClass - optional, the expected class name
     * @return mixed|T|ResponseInterface|RequestInterface
     * @throws \Google\Exception
     */
    public function call($name, $arguments, $expectedClass = null)
    {
        if (! isset($this->methods[$name])) {
            $this->client->getLogger()->error(
                'Service method unknown',
                [
                    'service' => $this->serviceName,
                    'resource' => $this->resourceName,
                    'method' => $name
                ]
            );

            throw new GoogleException(
                "Unknown function: " .
                "{$this->serviceName}->{$this->resourceName}->{$name}()"
            );
        }
        $method = $this->methods[$name];
        $parameters = $arguments[0];

        // postBody is a special case since it's not defined in the discovery
        // document as parameter, but we abuse the param entry for storing it.
        $postBody = null;
        if (isset($parameters['postBody'])) {
            if ($parameters['postBody'] instanceof Model) {
                // In the cases the post body is an existing object, we want
                // to use the smart method to create a simple object for
                // for JSONification.
                $parameters['postBody'] = $parameters['postBody']->toSimpleObject();
            } elseif (is_object($parameters['postBody'])) {
                // If the post body is another kind of object, we will try and
                // wrangle it into a sensible format.
                $parameters['postBody'] =
                    $this->convertToArrayAndStripNulls($parameters['postBody']);
            }
            $postBody = (array) $parameters['postBody'];
            unset($parameters['postBody']);
        }

        // TODO: optParams here probably should have been
        // handled already - this may well be redundant code.
        if (isset($parameters['optParams'])) {
            $optParams = $parameters['optParams'];
            unset($parameters['optParams']);
            $parameters = array_merge($parameters, $optParams);
        }

        if (!isset($method['parameters'])) {
            $method['parameters'] = [];
        }

        $method['parameters'] = array_merge(
            $this->stackParameters,
            $method['parameters']
        );

        foreach ($parameters as $key => $val) {
            if ($key != 'postBody' && !isset($method['parameters'][$key])) {
                $this->client->getLogger()->error(
                    'Service parameter unknown',
                    [
                        'service' => $this->serviceName,
                        'resource' => $this->resourceName,
                        'method' => $name,
                        'parameter' => $key
                    ]
                );
                throw new GoogleException("($name) unknown parameter: '$key'");
            }
        }

        foreach ($method['parameters'] as $paramName => $paramSpec) {
            if (
                isset($paramSpec['required']) &&
                $paramSpec['required'] &&
                ! isset($parameters[$paramName])
            ) {
                $this->client->getLogger()->error(
                    'Service parameter missing',
                    [
                        'service' => $this->serviceName,
                        'resource' => $this->resourceName,
                        'method' => $name,
                        'parameter' => $paramName
                    ]
                );
                throw new GoogleException("($name) missing required param: '$paramName'");
            }
            if (isset($parameters[$paramName])) {
                $value = $parameters[$paramName];
                $parameters[$paramName] = $paramSpec;
                $parameters[$paramName]['value'] = $value;
                unset($parameters[$paramName]['required']);
            } else {
                // Ensure we don't pass nulls.
                unset($parameters[$paramName]);
            }
        }

        $this->client->getLogger()->info(
            'Service Call',
            [
                'service' => $this->serviceName,
                'resource' => $this->resourceName,
                'method' => $name,
                'arguments' => $parameters,
            ]
        );

        // build the service uri
        $url = $this->createRequestUri($method['path'], $parameters);

        // NOTE: because we're creating the request by hand,
        // and because the service has a rootUrl property
        // the "base_uri" of the Http Client is not accounted for
        $request = new Request(
            $method['httpMethod'],
            $url,
            ['content-type' => 'application/json'],
            $postBody ? json_encode($postBody) : ''
        );

        // support uploads
        if (isset($parameters['data'])) {
            $mimeType = isset($parameters['mimeType'])
                ? $parameters['mimeType']['value']
                : 'application/octet-stream';
            $data = $parameters['data']['value'];
            $upload = new MediaFileUpload($this->client, $request, $mimeType, $data);

            // pull down the modified request
            $request = $upload->getRequest();
        }

        // if this is a media type, we will return the raw response
        // rather than using an expected class
        if (isset($parameters['alt']) && $parameters['alt']['value'] == 'media') {
            $expectedClass = null;
        }

        // if the client is marked for deferring, rather than
        // execute the request, return the response
        if ($this->client->shouldDefer()) {
            // @TODO find a better way to do this
            $request = $request
                ->withHeader('X-Php-Expected-Class', $expectedClass);

            return $request;
        }

        return $this->client->execute($request, $expectedClass);
    }

    protected function convertToArrayAndStripNulls($o)
    {
        $o = (array) $o;
        foreach ($o as $k => $v) {
            if ($v === null) {
                unset($o[$k]);
            } elseif (is_object($v) || is_array($v)) {
                $o[$k] = $this->convertToArrayAndStripNulls($o[$k]);
            }
        }
        return $o;
    }

    /**
     * Parse/expand request parameters and create a fully qualified
     * request uri.
     * @static
     * @param string $restPath
     * @param array $params
     * @return string $requestUrl
     */
    public function createRequestUri($restPath, $params)
    {
        // Override the default servicePath address if the $restPath use a /
        if ('/' == substr($restPath, 0, 1)) {
            $requestUrl = substr($restPath, 1);
        } else {
            $requestUrl = $this->servicePath . $restPath;
        }

        // code for leading slash
        if ($this->rootUrl) {
            if ('/' !== substr($this->rootUrl, -1) && '/' !== substr($requestUrl, 0, 1)) {
                $requestUrl = '/' . $requestUrl;
            }
            $requestUrl = $this->rootUrl . $requestUrl;
        }
        $uriTemplateVars = [];
        $queryVars = [];
        foreach ($params as $paramName => $paramSpec) {
            if ($paramSpec['type'] == 'boolean') {
                $paramSpec['value'] = $paramSpec['value'] ? 'true' : 'false';
            }
            if ($paramSpec['location'] == 'path') {
                $uriTemplateVars[$paramName] = $paramSpec['value'];
            } elseif ($paramSpec['location'] == 'query') {
                if (is_array($paramSpec['value'])) {
                    foreach ($paramSpec['value'] as $value) {
                        $queryVars[] = $paramName . '=' . rawurlencode(rawurldecode($value));
                    }
                } else {
                    $queryVars[] = $paramName . '=' . rawurlencode(rawurldecode($paramSpec['value']));
                }
            }
        }

        if (count($uriTemplateVars)) {
            $uriTemplateParser = new UriTemplate();
            $requestUrl = $uriTemplateParser->parse($requestUrl, $uriTemplateVars);
        }

        if (count($queryVars)) {
            $requestUrl .= '?' . implode('&', $queryVars);
        }

        return $requestUrl;
    }
}
PK     «ˆU] ùáøý  ý  '  vendor/google/apiclient/src/aliases.phpnu „[µü¤        <?php

if (class_exists('Google_Client', false)) {
    // Prevent error with preloading in PHP 7.4
    // @see https://github.com/googleapis/google-api-php-client/issues/1976
    return;
}

$classMap = [
    'Google\\Client' => 'Google_Client',
    'Google\\Service' => 'Google_Service',
    'Google\\AccessToken\\Revoke' => 'Google_AccessToken_Revoke',
    'Google\\AccessToken\\Verify' => 'Google_AccessToken_Verify',
    'Google\\Model' => 'Google_Model',
    'Google\\Utils\\UriTemplate' => 'Google_Utils_UriTemplate',
    'Google\\AuthHandler\\Guzzle6AuthHandler' => 'Google_AuthHandler_Guzzle6AuthHandler',
    'Google\\AuthHandler\\Guzzle7AuthHandler' => 'Google_AuthHandler_Guzzle7AuthHandler',
    'Google\\AuthHandler\\Guzzle5AuthHandler' => 'Google_AuthHandler_Guzzle5AuthHandler',
    'Google\\AuthHandler\\AuthHandlerFactory' => 'Google_AuthHandler_AuthHandlerFactory',
    'Google\\Http\\Batch' => 'Google_Http_Batch',
    'Google\\Http\\MediaFileUpload' => 'Google_Http_MediaFileUpload',
    'Google\\Http\\REST' => 'Google_Http_REST',
    'Google\\Task\\Retryable' => 'Google_Task_Retryable',
    'Google\\Task\\Exception' => 'Google_Task_Exception',
    'Google\\Task\\Runner' => 'Google_Task_Runner',
    'Google\\Collection' => 'Google_Collection',
    'Google\\Service\\Exception' => 'Google_Service_Exception',
    'Google\\Service\\Resource' => 'Google_Service_Resource',
    'Google\\Exception' => 'Google_Exception',
];

foreach ($classMap as $class => $alias) {
    class_alias($class, $alias);
}

/**
 * This class needs to be defined explicitly as scripts must be recognized by
 * the autoloader.
 */
class Google_Task_Composer extends \Google\Task\Composer
{
}

/** @phpstan-ignore-next-line */
if (\false) {
    class Google_AccessToken_Revoke extends \Google\AccessToken\Revoke
    {
    }
    class Google_AccessToken_Verify extends \Google\AccessToken\Verify
    {
    }
    class Google_AuthHandler_AuthHandlerFactory extends \Google\AuthHandler\AuthHandlerFactory
    {
    }
    class Google_AuthHandler_Guzzle5AuthHandler extends \Google\AuthHandler\Guzzle5AuthHandler
    {
    }
    class Google_AuthHandler_Guzzle6AuthHandler extends \Google\AuthHandler\Guzzle6AuthHandler
    {
    }
    class Google_AuthHandler_Guzzle7AuthHandler extends \Google\AuthHandler\Guzzle7AuthHandler
    {
    }
    class Google_Client extends \Google\Client
    {
    }
    class Google_Collection extends \Google\Collection
    {
    }
    class Google_Exception extends \Google\Exception
    {
    }
    class Google_Http_Batch extends \Google\Http\Batch
    {
    }
    class Google_Http_MediaFileUpload extends \Google\Http\MediaFileUpload
    {
    }
    class Google_Http_REST extends \Google\Http\REST
    {
    }
    class Google_Model extends \Google\Model
    {
    }
    class Google_Service extends \Google\Service
    {
    }
    class Google_Service_Exception extends \Google\Service\Exception
    {
    }
    class Google_Service_Resource extends \Google\Service\Resource
    {
    }
    class Google_Task_Exception extends \Google\Task\Exception
    {
    }
    interface Google_Task_Retryable extends \Google\Task\Retryable
    {
    }
    class Google_Task_Runner extends \Google\Task\Runner
    {
    }
    class Google_Utils_UriTemplate extends \Google\Utils\UriTemplate
    {
    }
}
PK     «ˆU]ƒ*þ"©   ©   &  vendor/google/apiclient/src/Client.phpnu „[µü¤        <?php
/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google;

use BadMethodCallException;
use DomainException;
use Google\AccessToken\Revoke;
use Google\AccessToken\Verify;
use Google\Auth\ApplicationDefaultCredentials;
use Google\Auth\Cache\MemoryCacheItemPool;
use Google\Auth\Credentials\ServiceAccountCredentials;
use Google\Auth\Credentials\UserRefreshCredentials;
use Google\Auth\CredentialsLoader;
use Google\Auth\FetchAuthTokenCache;
use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Auth\OAuth2;
use Google\AuthHandler\AuthHandlerFactory;
use Google\Http\REST;
use GuzzleHttp\Client as GuzzleClient;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Ring\Client\StreamHandler;
use InvalidArgumentException;
use LogicException;
use Monolog\Handler\StreamHandler as MonologStreamHandler;
use Monolog\Handler\SyslogHandler as MonologSyslogHandler;
use Monolog\Logger;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Log\LoggerInterface;
use UnexpectedValueException;

/**
 * The Google API Client
 * https://github.com/google/google-api-php-client
 */
class Client
{
    const LIBVER = "2.12.1";
    const USER_AGENT_SUFFIX = "google-api-php-client/";
    const OAUTH2_REVOKE_URI = 'https://oauth2.googleapis.com/revoke';
    const OAUTH2_TOKEN_URI = 'https://oauth2.googleapis.com/token';
    const OAUTH2_AUTH_URL = 'https://accounts.google.com/o/oauth2/auth';
    const API_BASE_PATH = 'https://www.googleapis.com';

    /**
     * @var ?OAuth2 $auth
     */
    private $auth;

    /**
     * @var ClientInterface $http
     */
    private $http;

    /**
     * @var ?CacheItemPoolInterface $cache
     */
    private $cache;

    /**
     * @var array access token
     */
    private $token;

    /**
     * @var array $config
     */
    private $config;

    /**
     * @var ?LoggerInterface $logger
     */
    private $logger;

    /**
     * @var ?CredentialsLoader $credentials
     */
    private $credentials;

    /**
     * @var boolean $deferExecution
     */
    private $deferExecution = false;

    /** @var array $scopes */
    // Scopes requested by the client
    protected $requestedScopes = [];

    /**
     * Construct the Google Client.
     *
     * @param array $config
     */
    public function __construct(array $config = [])
    {
        $this->config = array_merge([
            'application_name' => '',

            // Don't change these unless you're working against a special development
            // or testing environment.
            'base_path' => self::API_BASE_PATH,

            // https://developers.google.com/console
            'client_id' => '',
            'client_secret' => '',

            // Can be a path to JSON credentials or an array representing those
            // credentials (@see Google\Client::setAuthConfig), or an instance of
            // Google\Auth\CredentialsLoader.
            'credentials' => null,
            // @see Google\Client::setScopes
            'scopes' => null,
            // Sets X-Goog-User-Project, which specifies a user project to bill
            // for access charges associated with the request
            'quota_project' => null,

            'redirect_uri' => null,
            'state' => null,

            // Simple API access key, also from the API console. Ensure you get
            // a Server key, and not a Browser key.
            'developer_key' => '',

            // For use with Google Cloud Platform
            // fetch the ApplicationDefaultCredentials, if applicable
            // @see https://developers.google.com/identity/protocols/application-default-credentials
            'use_application_default_credentials' => false,
            'signing_key' => null,
            'signing_algorithm' => null,
            'subject' => null,

            // Other OAuth2 parameters.
            'hd' => '',
            'prompt' => '',
            'openid.realm' => '',
            'include_granted_scopes' => null,
            'login_hint' => '',
            'request_visible_actions' => '',
            'access_type' => 'online',
            'approval_prompt' => 'auto',

            // Task Runner retry configuration
            // @see Google\Task\Runner
            'retry' => [],
            'retry_map' => null,

            // Cache class implementing Psr\Cache\CacheItemPoolInterface.
            // Defaults to Google\Auth\Cache\MemoryCacheItemPool.
            'cache' => null,
            // cache config for downstream auth caching
            'cache_config' => [],

            // function to be called when an access token is fetched
            // follows the signature function ($cacheKey, $accessToken)
            'token_callback' => null,

            // Service class used in Google\Client::verifyIdToken.
            // Explicitly pass this in to avoid setting JWT::$leeway
            'jwt' => null,

            // Setting api_format_v2 will return more detailed error messages
            // from certain APIs.
            'api_format_v2' => false
        ], $config);

        if (!is_null($this->config['credentials'])) {
            if ($this->config['credentials'] instanceof CredentialsLoader) {
                $this->credentials = $this->config['credentials'];
            } else {
                $this->setAuthConfig($this->config['credentials']);
            }
            unset($this->config['credentials']);
        }

        if (!is_null($this->config['scopes'])) {
            $this->setScopes($this->config['scopes']);
            unset($this->config['scopes']);
        }

        // Set a default token callback to update the in-memory access token
        if (is_null($this->config['token_callback'])) {
            $this->config['token_callback'] = function ($cacheKey, $newAccessToken) {
                $this->setAccessToken(
                    [
                    'access_token' => $newAccessToken,
                    'expires_in' => 3600, // Google default
                    'created' => time(),
                    ]
                );
            };
        }

        if (!is_null($this->config['cache'])) {
            $this->setCache($this->config['cache']);
            unset($this->config['cache']);
        }
    }

    /**
     * Get a string containing the version of the library.
     *
     * @return string
     */
    public function getLibraryVersion()
    {
        return self::LIBVER;
    }

    /**
     * For backwards compatibility
     * alias for fetchAccessTokenWithAuthCode
     *
     * @param string $code string code from accounts.google.com
     * @return array access token
     * @deprecated
     */
    public function authenticate($code)
    {
        return $this->fetchAccessTokenWithAuthCode($code);
    }

    /**
     * Attempt to exchange a code for an valid authentication token.
     * Helper wrapped around the OAuth 2.0 implementation.
     *
     * @param string $code code from accounts.google.com
     * @return array access token
     */
    public function fetchAccessTokenWithAuthCode($code)
    {
        if (strlen($code) == 0) {
            throw new InvalidArgumentException("Invalid code");
        }

        $auth = $this->getOAuth2Service();
        $auth->setCode($code);
        $auth->setRedirectUri($this->getRedirectUri());

        $httpHandler = HttpHandlerFactory::build($this->getHttpClient());
        $creds = $auth->fetchAuthToken($httpHandler);
        if ($creds && isset($creds['access_token'])) {
            $creds['created'] = time();
            $this->setAccessToken($creds);
        }

        return $creds;
    }

    /**
     * For backwards compatibility
     * alias for fetchAccessTokenWithAssertion
     *
     * @return array access token
     * @deprecated
     */
    public function refreshTokenWithAssertion()
    {
        return $this->fetchAccessTokenWithAssertion();
    }

    /**
     * Fetches a fresh access token with a given assertion token.
     * @param ClientInterface $authHttp optional.
     * @return array access token
     */
    public function fetchAccessTokenWithAssertion(ClientInterface $authHttp = null)
    {
        if (!$this->isUsingApplicationDefaultCredentials()) {
            throw new DomainException(
                'set the JSON service account credentials using'
                . ' Google\Client::setAuthConfig or set the path to your JSON file'
                . ' with the "GOOGLE_APPLICATION_CREDENTIALS" environment variable'
                . ' and call Google\Client::useApplicationDefaultCredentials to'
                . ' refresh a token with assertion.'
            );
        }

        $this->getLogger()->log(
            'info',
            'OAuth2 access token refresh with Signed JWT assertion grants.'
        );

        $credentials = $this->createApplicationDefaultCredentials();

        $httpHandler = HttpHandlerFactory::build($authHttp);
        $creds = $credentials->fetchAuthToken($httpHandler);
        if ($creds && isset($creds['access_token'])) {
            $creds['created'] = time();
            $this->setAccessToken($creds);
        }

        return $creds;
    }

    /**
     * For backwards compatibility
     * alias for fetchAccessTokenWithRefreshToken
     *
     * @param string $refreshToken
     * @return array access token
     */
    public function refreshToken($refreshToken)
    {
        return $this->fetchAccessTokenWithRefreshToken($refreshToken);
    }

    /**
     * Fetches a fresh OAuth 2.0 access token with the given refresh token.
     * @param string $refreshToken
     * @return array access token
     */
    public function fetchAccessTokenWithRefreshToken($refreshToken = null)
    {
        if (null === $refreshToken) {
            if (!isset($this->token['refresh_token'])) {
                throw new LogicException(
                    'refresh token must be passed in or set as part of setAccessToken'
                );
            }
            $refreshToken = $this->token['refresh_token'];
        }
        $this->getLogger()->info('OAuth2 access token refresh');
        $auth = $this->getOAuth2Service();
        $auth->setRefreshToken($refreshToken);

        $httpHandler = HttpHandlerFactory::build($this->getHttpClient());
        $creds = $auth->fetchAuthToken($httpHandler);
        if ($creds && isset($creds['access_token'])) {
            $creds['created'] = time();
            if (!isset($creds['refresh_token'])) {
                $creds['refresh_token'] = $refreshToken;
            }
            $this->setAccessToken($creds);
        }

        return $creds;
    }

    /**
     * Create a URL to obtain user authorization.
     * The authorization endpoint allows the user to first
     * authenticate, and then grant/deny the access request.
     * @param string|array $scope The scope is expressed as an array or list of space-delimited strings.
     * @return string
     */
    public function createAuthUrl($scope = null)
    {
        if (empty($scope)) {
            $scope = $this->prepareScopes();
        }
        if (is_array($scope)) {
            $scope = implode(' ', $scope);
        }

        // only accept one of prompt or approval_prompt
        $approvalPrompt = $this->config['prompt']
            ? null
            : $this->config['approval_prompt'];

        // include_granted_scopes should be string "true", string "false", or null
        $includeGrantedScopes = $this->config['include_granted_scopes'] === null
            ? null
            : var_export($this->config['include_granted_scopes'], true);

        $params = array_filter([
            'access_type' => $this->config['access_type'],
            'approval_prompt' => $approvalPrompt,
            'hd' => $this->config['hd'],
            'include_granted_scopes' => $includeGrantedScopes,
            'login_hint' => $this->config['login_hint'],
            'openid.realm' => $this->config['openid.realm'],
            'prompt' => $this->config['prompt'],
            'response_type' => 'code',
            'scope' => $scope,
            'state' => $this->config['state'],
        ]);

        // If the list of scopes contains plus.login, add request_visible_actions
        // to auth URL.
        $rva = $this->config['request_visible_actions'];
        if (strlen($rva) > 0 && false !== strpos($scope, 'plus.login')) {
            $params['request_visible_actions'] = $rva;
        }

        $auth = $this->getOAuth2Service();

        return (string) $auth->buildFullAuthorizationUri($params);
    }

    /**
     * Adds auth listeners to the HTTP client based on the credentials
     * set in the Google API Client object
     *
     * @param ClientInterface $http the http client object.
     * @return ClientInterface the http client object
     */
    public function authorize(ClientInterface $http = null)
    {
        $http = $http ?: $this->getHttpClient();
        $authHandler = $this->getAuthHandler();

        // These conditionals represent the decision tree for authentication
        //   1.  Check if a Google\Auth\CredentialsLoader instance has been supplied via the "credentials" option
        //   2.  Check for Application Default Credentials
        //   3a. Check for an Access Token
        //   3b. If access token exists but is expired, try to refresh it
        //   4.  Check for API Key
        if ($this->credentials) {
            return $authHandler->attachCredentials(
                $http,
                $this->credentials,
                $this->config['token_callback']
            );
        }

        if ($this->isUsingApplicationDefaultCredentials()) {
            $credentials = $this->createApplicationDefaultCredentials();
            return $authHandler->attachCredentialsCache(
                $http,
                $credentials,
                $this->config['token_callback']
            );
        }

        if ($token = $this->getAccessToken()) {
            $scopes = $this->prepareScopes();
            // add refresh subscriber to request a new token
            if (isset($token['refresh_token']) && $this->isAccessTokenExpired()) {
                $credentials = $this->createUserRefreshCredentials(
                    $scopes,
                    $token['refresh_token']
                );
                return $authHandler->attachCredentials(
                    $http,
                    $credentials,
                    $this->config['token_callback']
                );
            }

            return $authHandler->attachToken($http, $token, (array) $scopes);
        }

        if ($key = $this->config['developer_key']) {
            return $authHandler->attachKey($http, $key);
        }

        return $http;
    }

    /**
     * Set the configuration to use application default credentials for
     * authentication
     *
     * @see https://developers.google.com/identity/protocols/application-default-credentials
     * @param boolean $useAppCreds
     */
    public function useApplicationDefaultCredentials($useAppCreds = true)
    {
        $this->config['use_application_default_credentials'] = $useAppCreds;
    }

    /**
     * To prevent useApplicationDefaultCredentials from inappropriately being
     * called in a conditional
     *
     * @see https://developers.google.com/identity/protocols/application-default-credentials
     */
    public function isUsingApplicationDefaultCredentials()
    {
        return $this->config['use_application_default_credentials'];
    }

    /**
     * Set the access token used for requests.
     *
     * Note that at the time requests are sent, tokens are cached. A token will be
     * cached for each combination of service and authentication scopes. If a
     * cache pool is not provided, creating a new instance of the client will
     * allow modification of access tokens. If a persistent cache pool is
     * provided, in order to change the access token, you must clear the cached
     * token by calling `$client->getCache()->clear()`. (Use caution in this case,
     * as calling `clear()` will remove all cache items, including any items not
     * related to Google API PHP Client.)
     *
     * @param string|array $token
     * @throws InvalidArgumentException
     */
    public function setAccessToken($token)
    {
        if (is_string($token)) {
            if ($json = json_decode($token, true)) {
                $token = $json;
            } else {
                // assume $token is just the token string
                $token = [
                    'access_token' => $token,
                ];
            }
        }
        if ($token == null) {
            throw new InvalidArgumentException('invalid json token');
        }
        if (!isset($token['access_token'])) {
            throw new InvalidArgumentException("Invalid token format");
        }
        $this->token = $token;
    }

    public function getAccessToken()
    {
        return $this->token;
    }

    /**
     * @return string|null
     */
    public function getRefreshToken()
    {
        if (isset($this->token['refresh_token'])) {
            return $this->token['refresh_token'];
        }

        return null;
    }

    /**
     * Returns if the access_token is expired.
     * @return bool Returns True if the access_token is expired.
     */
    public function isAccessTokenExpired()
    {
        if (!$this->token) {
            return true;
        }

        $created = 0;
        if (isset($this->token['created'])) {
            $created = $this->token['created'];
        } elseif (isset($this->token['id_token'])) {
            // check the ID token for "iat"
            // signature verification is not required here, as we are just
            // using this for convenience to save a round trip request
            // to the Google API server
            $idToken = $this->token['id_token'];
            if (substr_count($idToken, '.') == 2) {
                $parts = explode('.', $idToken);
                $payload = json_decode(base64_decode($parts[1]), true);
                if ($payload && isset($payload['iat'])) {
                    $created = $payload['iat'];
                }
            }
        }
        if (!isset($this->token['expires_in'])) {
            // if the token does not have an "expires_in", then it's considered expired
            return true;
        }

        // If the token is set to expire in the next 30 seconds.
        return ($created + ($this->token['expires_in'] - 30)) < time();
    }

    /**
     * @deprecated See UPGRADING.md for more information
     */
    public function getAuth()
    {
        throw new BadMethodCallException(
            'This function no longer exists. See UPGRADING.md for more information'
        );
    }

    /**
     * @deprecated See UPGRADING.md for more information
     */
    public function setAuth($auth)
    {
        throw new BadMethodCallException(
            'This function no longer exists. See UPGRADING.md for more information'
        );
    }

    /**
     * Set the OAuth 2.0 Client ID.
     * @param string $clientId
     */
    public function setClientId($clientId)
    {
        $this->config['client_id'] = $clientId;
    }

    public function getClientId()
    {
        return $this->config['client_id'];
    }

    /**
     * Set the OAuth 2.0 Client Secret.
     * @param string $clientSecret
     */
    public function setClientSecret($clientSecret)
    {
        $this->config['client_secret'] = $clientSecret;
    }

    public function getClientSecret()
    {
        return $this->config['client_secret'];
    }

    /**
     * Set the OAuth 2.0 Redirect URI.
     * @param string $redirectUri
     */
    public function setRedirectUri($redirectUri)
    {
        $this->config['redirect_uri'] = $redirectUri;
    }

    public function getRedirectUri()
    {
        return $this->config['redirect_uri'];
    }

    /**
     * Set OAuth 2.0 "state" parameter to achieve per-request customization.
     * @see http://tools.ietf.org/html/draft-ietf-oauth-v2-22#section-3.1.2.2
     * @param string $state
     */
    public function setState($state)
    {
        $this->config['state'] = $state;
    }

    /**
     * @param string $accessType Possible values for access_type include:
     *  {@code "offline"} to request offline access from the user.
     *  {@code "online"} to request online access from the user.
     */
    public function setAccessType($accessType)
    {
        $this->config['access_type'] = $accessType;
    }

    /**
     * @param string $approvalPrompt Possible values for approval_prompt include:
     *  {@code "force"} to force the approval UI to appear.
     *  {@code "auto"} to request auto-approval when possible. (This is the default value)
     */
    public function setApprovalPrompt($approvalPrompt)
    {
        $this->config['approval_prompt'] = $approvalPrompt;
    }

    /**
     * Set the login hint, email address or sub id.
     * @param string $loginHint
     */
    public function setLoginHint($loginHint)
    {
        $this->config['login_hint'] = $loginHint;
    }

    /**
     * Set the application name, this is included in the User-Agent HTTP header.
     * @param string $applicationName
     */
    public function setApplicationName($applicationName)
    {
        $this->config['application_name'] = $applicationName;
    }

    /**
     * If 'plus.login' is included in the list of requested scopes, you can use
     * this method to define types of app activities that your app will write.
     * You can find a list of available types here:
     * @link https://developers.google.com/+/api/moment-types
     *
     * @param array $requestVisibleActions Array of app activity types
     */
    public function setRequestVisibleActions($requestVisibleActions)
    {
        if (is_array($requestVisibleActions)) {
            $requestVisibleActions = implode(" ", $requestVisibleActions);
        }
        $this->config['request_visible_actions'] = $requestVisibleActions;
    }

    /**
     * Set the developer key to use, these are obtained through the API Console.
     * @see http://code.google.com/apis/console-help/#generatingdevkeys
     * @param string $developerKey
     */
    public function setDeveloperKey($developerKey)
    {
        $this->config['developer_key'] = $developerKey;
    }

    /**
     * Set the hd (hosted domain) parameter streamlines the login process for
     * Google Apps hosted accounts. By including the domain of the user, you
     * restrict sign-in to accounts at that domain.
     * @param string $hd the domain to use.
     */
    public function setHostedDomain($hd)
    {
        $this->config['hd'] = $hd;
    }

    /**
     * Set the prompt hint. Valid values are none, consent and select_account.
     * If no value is specified and the user has not previously authorized
     * access, then the user is shown a consent screen.
     * @param string $prompt
     *  {@code "none"} Do not display any authentication or consent screens. Must not be specified with other values.
     *  {@code "consent"} Prompt the user for consent.
     *  {@code "select_account"} Prompt the user to select an account.
     */
    public function setPrompt($prompt)
    {
        $this->config['prompt'] = $prompt;
    }

    /**
     * openid.realm is a parameter from the OpenID 2.0 protocol, not from OAuth
     * 2.0. It is used in OpenID 2.0 requests to signify the URL-space for which
     * an authentication request is valid.
     * @param string $realm the URL-space to use.
     */
    public function setOpenidRealm($realm)
    {
        $this->config['openid.realm'] = $realm;
    }

    /**
     * If this is provided with the value true, and the authorization request is
     * granted, the authorization will include any previous authorizations
     * granted to this user/application combination for other scopes.
     * @param bool $include the URL-space to use.
     */
    public function setIncludeGrantedScopes($include)
    {
        $this->config['include_granted_scopes'] = $include;
    }

    /**
     * sets function to be called when an access token is fetched
     * @param callable $tokenCallback - function ($cacheKey, $accessToken)
     */
    public function setTokenCallback(callable $tokenCallback)
    {
        $this->config['token_callback'] = $tokenCallback;
    }

    /**
     * Revoke an OAuth2 access token or refresh token. This method will revoke the current access
     * token, if a token isn't provided.
     *
     * @param string|array|null $token The token (access token or a refresh token) that should be revoked.
     * @return boolean Returns True if the revocation was successful, otherwise False.
     */
    public function revokeToken($token = null)
    {
        $tokenRevoker = new Revoke($this->getHttpClient());

        return $tokenRevoker->revokeToken($token ?: $this->getAccessToken());
    }

    /**
     * Verify an id_token. This method will verify the current id_token, if one
     * isn't provided.
     *
     * @throws LogicException If no token was provided and no token was set using `setAccessToken`.
     * @throws UnexpectedValueException If the token is not a valid JWT.
     * @param string|null $idToken The token (id_token) that should be verified.
     * @return array|false Returns the token payload as an array if the verification was
     * successful, false otherwise.
     */
    public function verifyIdToken($idToken = null)
    {
        $tokenVerifier = new Verify(
            $this->getHttpClient(),
            $this->getCache(),
            $this->config['jwt']
        );

        if (null === $idToken) {
            $token = $this->getAccessToken();
            if (!isset($token['id_token'])) {
                throw new LogicException(
                    'id_token must be passed in or set as part of setAccessToken'
                );
            }
            $idToken = $token['id_token'];
        }

        return $tokenVerifier->verifyIdToken(
            $idToken,
            $this->getClientId()
        );
    }

    /**
     * Set the scopes to be requested. Must be called before createAuthUrl().
     * Will remove any previously configured scopes.
     * @param string|array $scope_or_scopes, ie:
     *    array(
     *        'https://www.googleapis.com/auth/plus.login',
     *        'https://www.googleapis.com/auth/moderator'
     *    );
     */
    public function setScopes($scope_or_scopes)
    {
        $this->requestedScopes = [];
        $this->addScope($scope_or_scopes);
    }

    /**
     * This functions adds a scope to be requested as part of the OAuth2.0 flow.
     * Will append any scopes not previously requested to the scope parameter.
     * A single string will be treated as a scope to request. An array of strings
     * will each be appended.
     * @param string|string[] $scope_or_scopes e.g. "profile"
     */
    public function addScope($scope_or_scopes)
    {
        if (is_string($scope_or_scopes) && !in_array($scope_or_scopes, $this->requestedScopes)) {
            $this->requestedScopes[] = $scope_or_scopes;
        } elseif (is_array($scope_or_scopes)) {
            foreach ($scope_or_scopes as $scope) {
                $this->addScope($scope);
            }
        }
    }

    /**
     * Returns the list of scopes requested by the client
     * @return array the list of scopes
     *
     */
    public function getScopes()
    {
        return $this->requestedScopes;
    }

    /**
     * @return string|null
     * @visible For Testing
     */
    public function prepareScopes()
    {
        if (empty($this->requestedScopes)) {
            return null;
        }

        return implode(' ', $this->requestedScopes);
    }

    /**
     * Helper method to execute deferred HTTP requests.
     *
     * @template T
     * @param RequestInterface $request
     * @param class-string<T> $expectedClass
     * @throws \Google\Exception
     * @return mixed|T|ResponseInterface
     */
    public function execute(RequestInterface $request, $expectedClass = null)
    {
        $request = $request
            ->withHeader(
                'User-Agent',
                sprintf(
                    '%s %s%s',
                    $this->config['application_name'],
                    self::USER_AGENT_SUFFIX,
                    $this->getLibraryVersion()
                )
            )
            ->withHeader(
                'x-goog-api-client',
                sprintf(
                    'gl-php/%s gdcl/%s',
                    phpversion(),
                    $this->getLibraryVersion()
                )
            );

        if ($this->config['api_format_v2']) {
            $request = $request->withHeader(
                'X-GOOG-API-FORMAT-VERSION',
                '2'
            );
        }

        // call the authorize method
        // this is where most of the grunt work is done
        $http = $this->authorize();

        return REST::execute(
            $http,
            $request,
            $expectedClass,
            $this->config['retry'],
            $this->config['retry_map']
        );
    }

    /**
     * Declare whether batch calls should be used. This may increase throughput
     * by making multiple requests in one connection.
     *
     * @param boolean $useBatch True if the batch support should
     * be enabled. Defaults to False.
     */
    public function setUseBatch($useBatch)
    {
        // This is actually an alias for setDefer.
        $this->setDefer($useBatch);
    }

    /**
     * Are we running in Google AppEngine?
     * return bool
     */
    public function isAppEngine()
    {
        return (isset($_SERVER['SERVER_SOFTWARE']) &&
            strpos($_SERVER['SERVER_SOFTWARE'], 'Google App Engine') !== false);
    }

    public function setConfig($name, $value)
    {
        $this->config[$name] = $value;
    }

    public function getConfig($name, $default = null)
    {
        return isset($this->config[$name]) ? $this->config[$name] : $default;
    }

    /**
     * For backwards compatibility
     * alias for setAuthConfig
     *
     * @param string $file the configuration file
     * @throws \Google\Exception
     * @deprecated
     */
    public function setAuthConfigFile($file)
    {
        $this->setAuthConfig($file);
    }

    /**
     * Set the auth config from new or deprecated JSON config.
     * This structure should match the file downloaded from
     * the "Download JSON" button on in the Google Developer
     * Console.
     * @param string|array $config the configuration json
     * @throws \Google\Exception
     */
    public function setAuthConfig($config)
    {
        if (is_string($config)) {
            if (!file_exists($config)) {
                throw new InvalidArgumentException(sprintf('file "%s" does not exist', $config));
            }

            $json = file_get_contents($config);

            if (!$config = json_decode($json, true)) {
                throw new LogicException('invalid json for auth config');
            }
        }

        $key = isset($config['installed']) ? 'installed' : 'web';
        if (isset($config['type']) && $config['type'] == 'service_account') {
            // application default credentials
            $this->useApplicationDefaultCredentials();

            // set the information from the config
            $this->setClientId($config['client_id']);
            $this->config['client_email'] = $config['client_email'];
            $this->config['signing_key'] = $config['private_key'];
            $this->config['signing_algorithm'] = 'HS256';
        } elseif (isset($config[$key])) {
            // old-style
            $this->setClientId($config[$key]['client_id']);
            $this->setClientSecret($config[$key]['client_secret']);
            if (isset($config[$key]['redirect_uris'])) {
                $this->setRedirectUri($config[$key]['redirect_uris'][0]);
            }
        } else {
            // new-style
            $this->setClientId($config['client_id']);
            $this->setClientSecret($config['client_secret']);
            if (isset($config['redirect_uris'])) {
                $this->setRedirectUri($config['redirect_uris'][0]);
            }
        }
    }

    /**
     * Use when the service account has been delegated domain wide access.
     *
     * @param string $subject an email address account to impersonate
     */
    public function setSubject($subject)
    {
        $this->config['subject'] = $subject;
    }

    /**
     * Declare whether making API calls should make the call immediately, or
     * return a request which can be called with ->execute();
     *
     * @param boolean $defer True if calls should not be executed right away.
     */
    public function setDefer($defer)
    {
        $this->deferExecution = $defer;
    }

    /**
     * Whether or not to return raw requests
     * @return boolean
     */
    public function shouldDefer()
    {
        return $this->deferExecution;
    }

    /**
     * @return OAuth2 implementation
     */
    public function getOAuth2Service()
    {
        if (!isset($this->auth)) {
            $this->auth = $this->createOAuth2Service();
        }

        return $this->auth;
    }

    /**
     * create a default google auth object
     */
    protected function createOAuth2Service()
    {
        $auth = new OAuth2([
            'clientId'          => $this->getClientId(),
            'clientSecret'      => $this->getClientSecret(),
            'authorizationUri'   => self::OAUTH2_AUTH_URL,
            'tokenCredentialUri' => self::OAUTH2_TOKEN_URI,
            'redirectUri'       => $this->getRedirectUri(),
            'issuer'            => $this->config['client_id'],
            'signingKey'        => $this->config['signing_key'],
            'signingAlgorithm'  => $this->config['signing_algorithm'],
        ]);

        return $auth;
    }

    /**
     * Set the Cache object
     * @param CacheItemPoolInterface $cache
     */
    public function setCache(CacheItemPoolInterface $cache)
    {
        $this->cache = $cache;
    }

    /**
     * @return CacheItemPoolInterface
     */
    public function getCache()
    {
        if (!$this->cache) {
            $this->cache = $this->createDefaultCache();
        }

        return $this->cache;
    }

    /**
     * @param array $cacheConfig
     */
    public function setCacheConfig(array $cacheConfig)
    {
        $this->config['cache_config'] = $cacheConfig;
    }

    /**
     * Set the Logger object
     * @param LoggerInterface $logger
     */
    public function setLogger(LoggerInterface $logger)
    {
        $this->logger = $logger;
    }

    /**
     * @return LoggerInterface
     */
    public function getLogger()
    {
        if (!isset($this->logger)) {
            $this->logger = $this->createDefaultLogger();
        }

        return $this->logger;
    }

    protected function createDefaultLogger()
    {
        $logger = new Logger('google-api-php-client');
        if ($this->isAppEngine()) {
            $handler = new MonologSyslogHandler('app', LOG_USER, Logger::NOTICE);
        } else {
            $handler = new MonologStreamHandler('php://stderr', Logger::NOTICE);
        }
        $logger->pushHandler($handler);

        return $logger;
    }

    protected function createDefaultCache()
    {
        return new MemoryCacheItemPool();
    }

    /**
     * Set the Http Client object
     * @param ClientInterface $http
     */
    public function setHttpClient(ClientInterface $http)
    {
        $this->http = $http;
    }

    /**
     * @return ClientInterface
     */
    public function getHttpClient()
    {
        if (null === $this->http) {
            $this->http = $this->createDefaultHttpClient();
        }

        return $this->http;
    }

    /**
     * Set the API format version.
     *
     * `true` will use V2, which may return more useful error messages.
     *
     * @param bool $value
     */
    public function setApiFormatV2($value)
    {
        $this->config['api_format_v2'] = (bool) $value;
    }

    protected function createDefaultHttpClient()
    {
        $guzzleVersion = null;
        if (defined('\GuzzleHttp\ClientInterface::MAJOR_VERSION')) {
            $guzzleVersion = ClientInterface::MAJOR_VERSION;
        } elseif (defined('\GuzzleHttp\ClientInterface::VERSION')) {
            // @phpstan-ignore-next-line
            $guzzleVersion = (int)substr(ClientInterface::VERSION, 0, 1);
        }

        if (5 === $guzzleVersion) {
            $options = [
                'base_url' => $this->config['base_path'],
                'defaults' => ['exceptions' => false],
            ];
            if ($this->isAppEngine()) {
                if (class_exists(StreamHandler::class)) {
                    // set StreamHandler on AppEngine by default
                    $options['handler'] = new StreamHandler();
                    $options['defaults']['verify'] = '/etc/ca-certificates.crt';
                }
            }
        } elseif (6 === $guzzleVersion || 7 === $guzzleVersion) {
            // guzzle 6 or 7
            $options = [
                'base_uri' => $this->config['base_path'],
                'http_errors' => false,
            ];
        } else {
            throw new LogicException('Could not find supported version of Guzzle.');
        }

        return new GuzzleClient($options);
    }

    /**
     * @return FetchAuthTokenCache
     */
    private function createApplicationDefaultCredentials()
    {
        $scopes = $this->prepareScopes();
        $sub = $this->config['subject'];
        $signingKey = $this->config['signing_key'];

        // create credentials using values supplied in setAuthConfig
        if ($signingKey) {
            $serviceAccountCredentials = [
                'client_id' => $this->config['client_id'],
                'client_email' => $this->config['client_email'],
                'private_key' => $signingKey,
                'type' => 'service_account',
                'quota_project_id' => $this->config['quota_project'],
            ];
            $credentials = CredentialsLoader::makeCredentials(
                $scopes,
                $serviceAccountCredentials
            );
        } else {
            // When $sub is provided, we cannot pass cache classes to ::getCredentials
            // because FetchAuthTokenCache::setSub does not exist.
            // The result is when $sub is provided, calls to ::onGce are not cached.
            $credentials = ApplicationDefaultCredentials::getCredentials(
                $scopes,
                null,
                $sub ? null : $this->config['cache_config'],
                $sub ? null : $this->getCache(),
                $this->config['quota_project']
            );
        }

        // for service account domain-wide authority (impersonating a user)
        // @see https://developers.google.com/identity/protocols/OAuth2ServiceAccount
        if ($sub) {
            if (!$credentials instanceof ServiceAccountCredentials) {
                throw new DomainException('domain-wide authority requires service account credentials');
            }

            $credentials->setSub($sub);
        }

        // If we are not using FetchAuthTokenCache yet, create it now
        if (!$credentials instanceof FetchAuthTokenCache) {
            $credentials = new FetchAuthTokenCache(
                $credentials,
                $this->config['cache_config'],
                $this->getCache()
            );
        }
        return $credentials;
    }

    protected function getAuthHandler()
    {
        // Be very careful using the cache, as the underlying auth library's cache
        // implementation is naive, and the cache keys do not account for user
        // sessions.
        //
        // @see https://github.com/google/google-api-php-client/issues/821
        return AuthHandlerFactory::build(
            $this->getCache(),
            $this->config['cache_config']
        );
    }

    private function createUserRefreshCredentials($scope, $refreshToken)
    {
        $creds = array_filter([
            'client_id' => $this->getClientId(),
            'client_secret' => $this->getClientSecret(),
            'refresh_token' => $refreshToken,
        ]);

        return new UserRefreshCredentials($scope, $creds);
    }
}
PK     ¬ˆU]‰ñzAD  D  '  vendor/google/apiclient/src/Service.phpnu „[µü¤        <?php
/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google;

use Google\Http\Batch;
use TypeError;

class Service
{
    public $batchPath;
    public $rootUrl;
    public $version;
    public $servicePath;
    public $serviceName;
    public $availableScopes;
    public $resource;
    private $client;

    public function __construct($clientOrConfig = [])
    {
        if ($clientOrConfig instanceof Client) {
            $this->client = $clientOrConfig;
        } elseif (is_array($clientOrConfig)) {
            $this->client = new Client($clientOrConfig ?: []);
        } else {
            $errorMessage = 'constructor must be array or instance of Google\Client';
            if (class_exists('TypeError')) {
                throw new TypeError($errorMessage);
            }
            trigger_error($errorMessage, E_USER_ERROR);
        }
    }

    /**
   * Return the associated Google\Client class.
   * @return \Google\Client
   */
    public function getClient()
    {
        return $this->client;
    }

    /**
   * Create a new HTTP Batch handler for this service
   *
   * @return Batch
   */
    public function createBatch()
    {
        return new Batch(
            $this->client,
            false,
            $this->rootUrl,
            $this->batchPath
        );
    }
}
PK     ¬ˆU]0=õy'  y'  4  vendor/google/apiclient/src/Http/MediaFileUpload.phpnu „[µü¤        <?php
/**
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Http;

use Google\Client;
use Google\Exception as GoogleException;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Uri;
use Psr\Http\Message\RequestInterface;

/**
 * Manage large file uploads, which may be media but can be any type
 * of sizable data.
 */
class MediaFileUpload
{
    const UPLOAD_MEDIA_TYPE = 'media';
    const UPLOAD_MULTIPART_TYPE = 'multipart';
    const UPLOAD_RESUMABLE_TYPE = 'resumable';

    /** @var string $mimeType */
    private $mimeType;

    /** @var string $data */
    private $data;

    /** @var bool $resumable */
    private $resumable;

    /** @var int $chunkSize */
    private $chunkSize;

    /** @var int $size */
    private $size;

    /** @var string $resumeUri */
    private $resumeUri;

    /** @var int $progress */
    private $progress;

    /** @var Client */
    private $client;

    /** @var RequestInterface */
    private $request;

    /** @var string */
    private $boundary; // @phpstan-ignore-line

    /**
   * Result code from last HTTP call
   * @var int
   */
    private $httpResultCode;

    /**
     * @param Client $client
     * @param RequestInterface $request
     * @param string $mimeType
     * @param string $data The bytes you want to upload.
     * @param bool $resumable
     * @param int $chunkSize File will be uploaded in chunks of this many bytes.
     * only used if resumable=True
     */
    public function __construct(
        Client $client,
        RequestInterface $request,
        $mimeType,
        $data,
        $resumable = false,
        $chunkSize = 0
    ) {
        $this->client = $client;
        $this->request = $request;
        $this->mimeType = $mimeType;
        $this->data = $data;
        $this->resumable = $resumable;
        $this->chunkSize = $chunkSize;
        $this->progress = 0;

        $this->process();
    }

    /**
     * Set the size of the file that is being uploaded.
     * @param int $size - int file size in bytes
     */
    public function setFileSize($size)
    {
        $this->size = $size;
    }

    /**
     * Return the progress on the upload
     * @return int progress in bytes uploaded.
     */
    public function getProgress()
    {
        return $this->progress;
    }

    /**
     * Send the next part of the file to upload.
     * @param string|bool $chunk Optional. The next set of bytes to send. If false will
     * use $data passed at construct time.
     */
    public function nextChunk($chunk = false)
    {
        $resumeUri = $this->getResumeUri();

        if (false == $chunk) {
            $chunk = substr($this->data, $this->progress, $this->chunkSize);
        }

        $lastBytePos = $this->progress + strlen($chunk) - 1;
        $headers = [
            'content-range' => "bytes $this->progress-$lastBytePos/$this->size",
            'content-length' => (string) strlen($chunk),
            'expect' => '',
        ];

        $request = new Request(
            'PUT',
            $resumeUri,
            $headers,
            Psr7\Utils::streamFor($chunk)
        );

        return $this->makePutRequest($request);
    }

    /**
     * Return the HTTP result code from the last call made.
     * @return int code
     */
    public function getHttpResultCode()
    {
        return $this->httpResultCode;
    }

    /**
     * Sends a PUT-Request to google drive and parses the response,
     * setting the appropiate variables from the response()
     *
     * @param RequestInterface $request the Request which will be send
     *
     * @return false|mixed false when the upload is unfinished or the decoded http response
     *
     */
    private function makePutRequest(RequestInterface $request)
    {
        $response = $this->client->execute($request);
        $this->httpResultCode = $response->getStatusCode();

        if (308 == $this->httpResultCode) {
            // Track the amount uploaded.
            $range = $response->getHeaderLine('range');
            if ($range) {
                $range_array = explode('-', $range);
                $this->progress = ((int) $range_array[1]) + 1;
            }

            // Allow for changing upload URLs.
            $location = $response->getHeaderLine('location');
            if ($location) {
                $this->resumeUri = $location;
            }

            // No problems, but upload not complete.
            return false;
        }

        return REST::decodeHttpResponse($response, $this->request);
    }

    /**
     * Resume a previously unfinished upload
     * @param string $resumeUri the resume-URI of the unfinished, resumable upload.
     */
    public function resume($resumeUri)
    {
        $this->resumeUri = $resumeUri;
        $headers = [
            'content-range' => "bytes */$this->size",
            'content-length' => '0',
        ];
        $httpRequest = new Request(
            'PUT',
            $this->resumeUri,
            $headers
        );
        return $this->makePutRequest($httpRequest);
    }

    /**
     * @return RequestInterface
     * @visible for testing
     */
    private function process()
    {
        $this->transformToUploadUrl();
        $request = $this->request;

        $postBody = '';
        $contentType = false;

        $meta = json_decode((string) $request->getBody(), true);

        $uploadType = $this->getUploadType($meta);
        $request = $request->withUri(
            Uri::withQueryValue($request->getUri(), 'uploadType', $uploadType)
        );

        $mimeType = $this->mimeType ?: $request->getHeaderLine('content-type');

        if (self::UPLOAD_RESUMABLE_TYPE == $uploadType) {
            $contentType = $mimeType;
            $postBody = is_string($meta) ? $meta : json_encode($meta);
        } elseif (self::UPLOAD_MEDIA_TYPE == $uploadType) {
            $contentType = $mimeType;
            $postBody = $this->data;
        } elseif (self::UPLOAD_MULTIPART_TYPE == $uploadType) {
            // This is a multipart/related upload.
            $boundary = $this->boundary ?: mt_rand();
            $boundary = str_replace('"', '', $boundary);
            $contentType = 'multipart/related; boundary=' . $boundary;
            $related = "--$boundary\r\n";
            $related .= "Content-Type: application/json; charset=UTF-8\r\n";
            $related .= "\r\n" . json_encode($meta) . "\r\n";
            $related .= "--$boundary\r\n";
            $related .= "Content-Type: $mimeType\r\n";
            $related .= "Content-Transfer-Encoding: base64\r\n";
            $related .= "\r\n" . base64_encode($this->data) . "\r\n";
            $related .= "--$boundary--";
            $postBody = $related;
        }

        $request = $request->withBody(Psr7\Utils::streamFor($postBody));

        if ($contentType) {
            $request = $request->withHeader('content-type', $contentType);
        }

        return $this->request = $request;
    }

    /**
     * Valid upload types:
     * - resumable (UPLOAD_RESUMABLE_TYPE)
     * - media (UPLOAD_MEDIA_TYPE)
     * - multipart (UPLOAD_MULTIPART_TYPE)
     * @param string|false $meta
     * @return string
     * @visible for testing
     */
    public function getUploadType($meta)
    {
        if ($this->resumable) {
            return self::UPLOAD_RESUMABLE_TYPE;
        }

        if (false == $meta && $this->data) {
            return self::UPLOAD_MEDIA_TYPE;
        }

        return self::UPLOAD_MULTIPART_TYPE;
    }

    public function getResumeUri()
    {
        if (null === $this->resumeUri) {
            $this->resumeUri = $this->fetchResumeUri();
        }

        return $this->resumeUri;
    }

    private function fetchResumeUri()
    {
        $body = $this->request->getBody();
        $headers = [
            'content-type' => 'application/json; charset=UTF-8',
            'content-length' => $body->getSize(),
            'x-upload-content-type' => $this->mimeType,
            'x-upload-content-length' => $this->size,
            'expect' => '',
        ];
        foreach ($headers as $key => $value) {
            $this->request = $this->request->withHeader($key, $value);
        }

        $response = $this->client->execute($this->request, null);
        $location = $response->getHeaderLine('location');
        $code = $response->getStatusCode();

        if (200 == $code && true == $location) {
            return $location;
        }

        $message = $code;
        $body = json_decode((string) $this->request->getBody(), true);
        if (isset($body['error']['errors'])) {
            $message .= ': ';
            foreach ($body['error']['errors'] as $error) {
                $message .= "{$error['domain']}, {$error['message']};";
            }
            $message = rtrim($message, ';');
        }

        $error = "Failed to start the resumable upload (HTTP {$message})";
        $this->client->getLogger()->error($error);

        throw new GoogleException($error);
    }

    private function transformToUploadUrl()
    {
        $parts = parse_url((string) $this->request->getUri());
        if (!isset($parts['path'])) {
            $parts['path'] = '';
        }
        $parts['path'] = '/upload' . $parts['path'];
        $uri = Uri::fromParts($parts);
        $this->request = $this->request->withUri($uri);
    }

    public function setChunkSize($chunkSize)
    {
        $this->chunkSize = $chunkSize;
    }

    public function getRequest()
    {
        return $this->request;
    }
}
PK     ¬ˆU]»ÙÊã®  ®  )  vendor/google/apiclient/src/Http/REST.phpnu „[µü¤        <?php
/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Http;

use Google\Auth\HttpHandler\HttpHandlerFactory;
use Google\Service\Exception as GoogleServiceException;
use Google\Task\Runner;
use GuzzleHttp\ClientInterface;
use GuzzleHttp\Exception\RequestException;
use GuzzleHttp\Psr7\Response;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * This class implements the RESTful transport of apiServiceRequest()'s
 */
class REST
{
    /**
     * Executes a Psr\Http\Message\RequestInterface and (if applicable) automatically retries
     * when errors occur.
     *
     * @param ClientInterface $client
     * @param RequestInterface $request
     * @param string $expectedClass
     * @param array $config
     * @param array $retryMap
     * @return mixed decoded result
     * @throws \Google\Service\Exception on server side error (ie: not authenticated,
     *  invalid or malformed post body, invalid url)
     */
    public static function execute(
        ClientInterface $client,
        RequestInterface $request,
        $expectedClass = null,
        $config = [],
        $retryMap = null
    ) {
        $runner = new Runner(
            $config,
            sprintf('%s %s', $request->getMethod(), (string) $request->getUri()),
            [get_class(), 'doExecute'],
            [$client, $request, $expectedClass]
        );

        if (null !== $retryMap) {
            $runner->setRetryMap($retryMap);
        }

        return $runner->run();
    }

    /**
     * Executes a Psr\Http\Message\RequestInterface
     *
     * @param ClientInterface $client
     * @param RequestInterface $request
     * @param string $expectedClass
     * @return array decoded result
     * @throws \Google\Service\Exception on server side error (ie: not authenticated,
     *  invalid or malformed post body, invalid url)
     */
    public static function doExecute(ClientInterface $client, RequestInterface $request, $expectedClass = null)
    {
        try {
            $httpHandler = HttpHandlerFactory::build($client);
            $response = $httpHandler($request);
        } catch (RequestException $e) {
            // if Guzzle throws an exception, catch it and handle the response
            if (!$e->hasResponse()) {
                throw $e;
            }

            $response = $e->getResponse();
            // specific checking for Guzzle 5: convert to PSR7 response
            if (
                interface_exists('\GuzzleHttp\Message\ResponseInterface')
                && $response instanceof \GuzzleHttp\Message\ResponseInterface
            ) {
                $response = new Response(
                    $response->getStatusCode(),
                    $response->getHeaders() ?: [],
                    $response->getBody(),
                    $response->getProtocolVersion(),
                    $response->getReasonPhrase()
                );
            }
        }

        return self::decodeHttpResponse($response, $request, $expectedClass);
    }

    /**
     * Decode an HTTP Response.
     * @static
     * @throws \Google\Service\Exception
     * @param RequestInterface $response The http response to be decoded.
     * @param ResponseInterface $response
     * @param string $expectedClass
     * @return mixed|null
     */
    public static function decodeHttpResponse(
        ResponseInterface $response,
        RequestInterface $request = null,
        $expectedClass = null
    ) {
        $code = $response->getStatusCode();

        // retry strategy
        if (intVal($code) >= 400) {
            // if we errored out, it should be safe to grab the response body
            $body = (string) $response->getBody();

            // Check if we received errors, and add those to the Exception for convenience
            throw new GoogleServiceException($body, $code, null, self::getResponseErrors($body));
        }

        // Ensure we only pull the entire body into memory if the request is not
        // of media type
        $body = self::decodeBody($response, $request);

        if ($expectedClass = self::determineExpectedClass($expectedClass, $request)) {
            $json = json_decode($body, true);

            return new $expectedClass($json);
        }

        return $response;
    }

    private static function decodeBody(ResponseInterface $response, RequestInterface $request = null)
    {
        if (self::isAltMedia($request)) {
            // don't decode the body, it's probably a really long string
            return '';
        }

        return (string) $response->getBody();
    }

    private static function determineExpectedClass($expectedClass, RequestInterface $request = null)
    {
        // "false" is used to explicitly prevent an expected class from being returned
        if (false === $expectedClass) {
            return null;
        }

        // if we don't have a request, we just use what's passed in
        if (null === $request) {
            return $expectedClass;
        }

        // return what we have in the request header if one was not supplied
        return $expectedClass ?: $request->getHeaderLine('X-Php-Expected-Class');
    }

    private static function getResponseErrors($body)
    {
        $json = json_decode($body, true);

        if (isset($json['error']['errors'])) {
            return $json['error']['errors'];
        }

        return null;
    }

    private static function isAltMedia(RequestInterface $request = null)
    {
        if ($request && $qs = $request->getUri()->getQuery()) {
            parse_str($qs, $query);
            if (isset($query['alt']) && $query['alt'] == 'media') {
                return true;
            }
        }

        return false;
    }
}
PK     ¬ˆU]ÆaøW  W  *  vendor/google/apiclient/src/Http/Batch.phpnu „[µü¤        <?php
/*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Google\Http;

use Google\Client;
use Google\Service\Exception as GoogleServiceException;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Psr7\Response;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * Class to handle batched requests to the Google API service.
 *
 * Note that calls to `Google\Http\Batch::execute()` do not clear the queued
 * requests. To start a new batch, be sure to create a new instance of this
 * class.
 */
class Batch
{
    const BATCH_PATH = 'batch';

    private static $CONNECTION_ESTABLISHED_HEADERS = [
        "HTTP/1.0 200 Connection established\r\n\r\n",
        "HTTP/1.1 200 Connection established\r\n\r\n",
    ];

    /** @var string Multipart Boundary. */
    private $boundary;

    /** @var array service requests to be executed. */
    private $requests = [];

    /** @var Client */
    private $client;

    private $rootUrl;

    private $batchPath;

    public function __construct(
        Client $client,
        $boundary = false,
        $rootUrl = null,
        $batchPath = null
    ) {
        $this->client = $client;
        $this->boundary = $boundary ?: mt_rand();
        $this->rootUrl = rtrim($rootUrl ?: $this->client->getConfig('base_path'), '/');
        $this->batchPath = $batchPath ?: self::BATCH_PATH;
    }

    public function add(RequestInterface $request, $key = false)
    {
        if (false == $key) {
            $key = mt_rand();
        }

        $this->requests[$key] = $request;
    }

    public function execute()
    {
        $body = '';
        $classes = [];
        $batchHttpTemplate = <<<EOF
--%s
Content-Type: application/http
Content-Transfer-Encoding: binary
MIME-Version: 1.0
Content-ID: %s

%s
%s%s


EOF;

        /** @var RequestInterface $request */
        foreach ($this->requests as $key => $request) {
            $firstLine = sprintf(
                '%s %s HTTP/%s',
                $request->getMethod(),
                $request->getRequestTarget(),
                $request->getProtocolVersion()
            );

            $content = (string) $request->getBody();

            $headers = '';
            foreach ($request->getHeaders() as $name => $values) {
                $headers .= sprintf("%s:%s\r\n", $name, implode(', ', $values));
            }

            $body .= sprintf(
                $batchHttpTemplate,
                $this->boundary,
                $key,
                $firstLine,
                $headers,
                $content ? "\n" . $content : ''
            );

            $classes['response-' . $key] = $request->getHeaderLine('X-Php-Expected-Class');
        }

        $body .= "--{$this->boundary}--";
        $body = trim($body);
        $url = $this->rootUrl . '/' . $this->batchPath;
        $headers = [
            'Content-Type' => sprintf('multipart/mixed; boundary=%s', $this->boundary),
            'Content-Length' => (string) strlen($body),
        ];

        $request = new Request(
            'POST',
            $url,
            $headers,
            $body
        );

        $response = $this->client->execute($request);

        return $this->parseResponse($response, $classes);
    }

    public function parseResponse(ResponseInterface $response, $classes = [])
    {
        $contentType = $response->getHeaderLine('content-type');
        $contentType = explode(';', $contentType);
        $boundary = false;
        foreach ($contentType as $part) {
            $part = explode('=', $part, 2);
            if (isset($part[0]) && 'boundary' == trim($part[0])) {
                $boundary = $part[1];
            }
        }

        $body = (string) $response->getBody();
        if (!empty($body)) {
            $body = str_replace("--$boundary--", "--$boundary", $body);
            $parts = explode("--$boundary", $body);
            $responses = [];
            $requests = array_values($this->requests);

            foreach ($parts as $i => $part) {
                $part = trim($part);
                if (!empty($part)) {
                    list($rawHeaders, $part) = explode("\r\n\r\n", $part, 2);
                    $headers = $this->parseRawHeaders($rawHeaders);

                    $status = substr($part, 0, strpos($part, "\n"));
                    $status = explode(" ", $status);
                    $status = $status[1];

                    list($partHeaders, $partBody) = $this->parseHttpResponse($part, 0);
                    $response = new Response(
                        (int) $status,
                        $partHeaders,
                        Psr7\Utils::streamFor($partBody)
                    );

                    // Need content id.
                    $key = $headers['content-id'];

                    try {
                        $response = REST::decodeHttpResponse($response, $requests[$i-1]);
                    } catch (GoogleServiceException $e) {
                        // Store the exception as the response, so successful responses
                        // can be processed.
                        $response = $e;
                    }

                    $responses[$key] = $response;
                }
            }

            return $responses;
        }

        return null;
    }

    private function parseRawHeaders($rawHeaders)
    {
        $headers = [];
        $responseHeaderLines = explode("\r\n", $rawHeaders);
        foreach ($responseHeaderLines as $headerLine) {
            if ($headerLine && strpos($headerLine, ':') !== false) {
                list($header, $value) = explode(': ', $headerLine, 2);
                $header = strtolower($header);
                if (isset($headers[$header])) {
                    $headers[$header] = array_merge((array)$headers[$header], (array)$value);
                } else {
                    $headers[$header] = $value;
                }
            }
        }
        return $headers;
    }

    /**
     * Used by the IO lib and also the batch processing.
     *
     * @param string $respData
     * @param int $headerSize
     * @return array
     */
    private function parseHttpResponse($respData, $headerSize)
    {
        // check proxy header
        foreach (self::$CONNECTION_ESTABLISHED_HEADERS as $established_header) {
            if (stripos($respData, $established_header) !== false) {
                // existed, remove it
                $respData = str_ireplace($established_header, '', $respData);
                // Subtract the proxy header size unless the cURL bug prior to 7.30.0
                // is present which prevented the proxy header size from being taken into
                // account.
                // @TODO look into this
                // if (!$this->needsQuirk()) {
                //   $headerSize -= strlen($established_header);
                // }
                break;
            }
        }

        if ($headerSize) {
            $responseBody = substr($respData, $headerSize);
            $responseHeaders = substr($respData, 0, $headerSize);
        } else {
            $responseSegments = explode("\r\n\r\n", $respData, 2);
            $responseHeaders = $responseSegments[0];
            $responseBody = isset($responseSegments[1]) ? $responseSegments[1] : null;
        }

        $responseHeaders = $this->parseRawHeaders($responseHeaders);

        return [$responseHeaders, $responseBody];
    }
}
PK     ¬ˆU]}.[   [   .  vendor/google/apiclient-services/renovate.jsonnu „[µü¤        {
  "extends": [
    "config:base"
  ],
  "pinVersions": false,
  "rebaseStalePrs": true
}
PK     ¬ˆU]Ë#¬s(  (  (  vendor/google/apiclient-services/LICENSEnu „[µü¤        Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.

"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.

"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.

"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.

"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.

"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.

"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).

"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.

"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
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to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
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designated in writing by the copyright owner as "Not a Contribution."

"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.

2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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PK     ¬ˆU]^x>G!  !  -  vendor/google/apiclient-services/autoload.phpnu „[µü¤        <?php

// For older (pre-2.7.2) verions of google/apiclient
if (
    file_exists(__DIR__ . '/../apiclient/src/Google/Client.php')
    && !class_exists('Google_Client', false)
) {
    require_once(__DIR__ . '/../apiclient/src/Google/Client.php');
    if (
        defined('Google_Client::LIBVER')
        && version_compare(Google_Client::LIBVER, '2.7.2', '<=')
    ) {
        $servicesClassMap = [
            'Google\\Client' => 'Google_Client',
            'Google\\Service' => 'Google_Service',
            'Google\\Service\\Resource' => 'Google_Service_Resource',
            'Google\\Model' => 'Google_Model',
            'Google\\Collection' => 'Google_Collection',
        ];
        foreach ($servicesClassMap as $alias => $class) {
            class_alias($class, $alias);
        }
    }
}
spl_autoload_register(function ($class) {
    if (0 === strpos($class, 'Google_Service_')) {
        // Autoload the new class, which will also create an alias for the
        // old class by changing underscores to namespaces:
        //     Google_Service_Speech_Resource_Operations
        //      => Google\Service\Speech\Resource\Operations
        $classExists = class_exists($newClass = str_replace('_', '\\', $class));
        if ($classExists) {
            return true;
        }
    }
}, true, true);
PK     ¬ˆU]§ Â”.
  .
  1  vendor/google/apiclient-services/src/Indexing.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Service;

use Google\Client;

/**
 * Service definition for Indexing (v3).
 *
 * <p>
 * Notifies Google when your web pages change.</p>
 *
 * <p>
 * For more information about this service, see the API
 * <a href="https://developers.google.com/search/apis/indexing-api/" target="_blank">Documentation</a>
 * </p>
 *
 * @author Google, Inc.
 */
class Indexing extends \Google\Service
{
  /** Submit data to Google for indexing. */
  const INDEXING =
      "https://www.googleapis.com/auth/indexing";

  public $urlNotifications;

  /**
   * Constructs the internal representation of the Indexing service.
   *
   * @param Client|array $clientOrConfig The client used to deliver requests, or a
   *                                     config array to pass to a new Client instance.
   * @param string $rootUrl The root URL used for requests to the service.
   */
  public function __construct($clientOrConfig = [], $rootUrl = null)
  {
    parent::__construct($clientOrConfig);
    $this->rootUrl = $rootUrl ?: 'https://indexing.googleapis.com/';
    $this->servicePath = '';
    $this->batchPath = 'batch';
    $this->version = 'v3';
    $this->serviceName = 'indexing';

    $this->urlNotifications = new Indexing\Resource\UrlNotifications(
        $this,
        $this->serviceName,
        'urlNotifications',
        [
          'methods' => [
            'getMetadata' => [
              'path' => 'v3/urlNotifications/metadata',
              'httpMethod' => 'GET',
              'parameters' => [
                'url' => [
                  'location' => 'query',
                  'type' => 'string',
                ],
              ],
            ],'publish' => [
              'path' => 'v3/urlNotifications:publish',
              'httpMethod' => 'POST',
              'parameters' => [],
            ],
          ]
        ]
    );
  }
}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(Indexing::class, 'Google_Service_Indexing');
PK     ¬ˆU]wã„b  b  P  vendor/google/apiclient-services/src/Indexing/PublishUrlNotificationResponse.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Service\Indexing;

class PublishUrlNotificationResponse extends \Google\Model
{
  protected $urlNotificationMetadataType = UrlNotificationMetadata::class;
  protected $urlNotificationMetadataDataType = '';

  /**
   * @param UrlNotificationMetadata
   */
  public function setUrlNotificationMetadata(UrlNotificationMetadata $urlNotificationMetadata)
  {
    $this->urlNotificationMetadata = $urlNotificationMetadata;
  }
  /**
   * @return UrlNotificationMetadata
   */
  public function getUrlNotificationMetadata()
  {
    return $this->urlNotificationMetadata;
  }
}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(PublishUrlNotificationResponse::class, 'Google_Service_Indexing_PublishUrlNotificationResponse');
PK     ¬ˆU]Êþ'¯'  '  I  vendor/google/apiclient-services/src/Indexing/UrlNotificationMetadata.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Service\Indexing;

class UrlNotificationMetadata extends \Google\Model
{
  protected $latestRemoveType = UrlNotification::class;
  protected $latestRemoveDataType = '';
  protected $latestUpdateType = UrlNotification::class;
  protected $latestUpdateDataType = '';
  /**
   * @var string
   */
  public $url;

  /**
   * @param UrlNotification
   */
  public function setLatestRemove(UrlNotification $latestRemove)
  {
    $this->latestRemove = $latestRemove;
  }
  /**
   * @return UrlNotification
   */
  public function getLatestRemove()
  {
    return $this->latestRemove;
  }
  /**
   * @param UrlNotification
   */
  public function setLatestUpdate(UrlNotification $latestUpdate)
  {
    $this->latestUpdate = $latestUpdate;
  }
  /**
   * @return UrlNotification
   */
  public function getLatestUpdate()
  {
    return $this->latestUpdate;
  }
  /**
   * @param string
   */
  public function setUrl($url)
  {
    $this->url = $url;
  }
  /**
   * @return string
   */
  public function getUrl()
  {
    return $this->url;
  }
}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(UrlNotificationMetadata::class, 'Google_Service_Indexing_UrlNotificationMetadata');
PK     ¬ˆU]];cU/  /  A  vendor/google/apiclient-services/src/Indexing/UrlNotification.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Service\Indexing;

class UrlNotification extends \Google\Model
{
  /**
   * @var string
   */
  public $notifyTime;
  /**
   * @var string
   */
  public $type;
  /**
   * @var string
   */
  public $url;

  /**
   * @param string
   */
  public function setNotifyTime($notifyTime)
  {
    $this->notifyTime = $notifyTime;
  }
  /**
   * @return string
   */
  public function getNotifyTime()
  {
    return $this->notifyTime;
  }
  /**
   * @param string
   */
  public function setType($type)
  {
    $this->type = $type;
  }
  /**
   * @return string
   */
  public function getType()
  {
    return $this->type;
  }
  /**
   * @param string
   */
  public function setUrl($url)
  {
    $this->url = $url;
  }
  /**
   * @return string
   */
  public function getUrl()
  {
    return $this->url;
  }
}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(UrlNotification::class, 'Google_Service_Indexing_UrlNotification');
PK     ¬ˆU]¢¡‰=	  =	  K  vendor/google/apiclient-services/src/Indexing/Resource/UrlNotifications.phpnu „[µü¤        <?php
/*
 * Copyright 2014 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

namespace Google\Service\Indexing\Resource;

use Google\Service\Indexing\PublishUrlNotificationResponse;
use Google\Service\Indexing\UrlNotification;
use Google\Service\Indexing\UrlNotificationMetadata;

/**
 * The "urlNotifications" collection of methods.
 * Typical usage is:
 *  <code>
 *   $indexingService = new Google\Service\Indexing(...);
 *   $urlNotifications = $indexingService->urlNotifications;
 *  </code>
 */
class UrlNotifications extends \Google\Service\Resource
{
  /**
   * Gets metadata about a Web Document. This method can _only_ be used to query
   * URLs that were previously seen in successful Indexing API notifications.
   * Includes the latest `UrlNotification` received via this API.
   * (urlNotifications.getMetadata)
   *
   * @param array $optParams Optional parameters.
   *
   * @opt_param string url URL that is being queried.
   * @return UrlNotificationMetadata
   */
  public function getMetadata($optParams = [])
  {
    $params = [];
    $params = array_merge($params, $optParams);
    return $this->call('getMetadata', [$params], UrlNotificationMetadata::class);
  }
  /**
   * Notifies that a URL has been updated or deleted. (urlNotifications.publish)
   *
   * @param UrlNotification $postBody
   * @param array $optParams Optional parameters.
   * @return PublishUrlNotificationResponse
   */
  public function publish(UrlNotification $postBody, $optParams = [])
  {
    $params = ['postBody' => $postBody];
    $params = array_merge($params, $optParams);
    return $this->call('publish', [$params], PublishUrlNotificationResponse::class);
  }
}

// Adding a class alias for backwards compatibility with the previous class name.
class_alias(UrlNotifications::class, 'Google_Service_Indexing_Resource_UrlNotifications');
PK     ¬ˆU]|Œ[ñe	  e	  3  vendor/paragonie/constant_time_encoding/LICENSE.txtnu „[µü¤        The MIT License (MIT)

Copyright (c) 2016 - 2022 Paragon Initiative Enterprises

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

------------------------------------------------------------------------------
This library was based on the work of Steve "Sc00bz" Thomas.
------------------------------------------------------------------------------

The MIT License (MIT)

Copyright (c) 2014 Steve Thomas

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

PK     ¬ˆU]'è‘½Ù"  Ù"  6  vendor/paragonie/constant_time_encoding/src/Base64.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base64
 * [A-Z][a-z][0-9]+/
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base64 implements EncoderInterface
{
    /**
     * Encode into Base64
     *
     * Base64 character set "[A-Z][a-z][0-9]+/"
     *
     * @param string $binString
     * @return string
     * @throws \TypeError
     */
    public static function encode(string $binString): string
    {
        return static::doEncode($binString, true);
    }

    /**
     * Encode into Base64, no = padding
     *
     * Base64 character set "[A-Z][a-z][0-9]+/"
     *
     * @param string $src
     * @return string
     * @throws \TypeError
     */
    public static function encodeUnpadded(string $src): string
    {
        return static::doEncode($src, false);
    }

    /**
     * @param string $src
     * @param bool $pad   Include = padding?
     * @return string
     * @throws \TypeError
     */
    protected static function doEncode(string $src, bool $pad = true): string
    {
        $dest = '';
        $srcLen = Binary::safeStrlen($src);
        // Main loop (no padding):
        for ($i = 0; $i + 3 <= $srcLen; $i += 3) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, 3));
            $b0 = $chunk[1];
            $b1 = $chunk[2];
            $b2 = $chunk[3];

            $dest .=
                static::encode6Bits(               $b0 >> 2       ) .
                static::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
                static::encode6Bits((($b1 << 2) | ($b2 >> 6)) & 63) .
                static::encode6Bits(  $b2                     & 63);
        }
        // The last chunk, which may have padding:
        if ($i < $srcLen) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, $srcLen - $i));
            $b0 = $chunk[1];
            if ($i + 1 < $srcLen) {
                $b1 = $chunk[2];
                $dest .=
                    static::encode6Bits($b0 >> 2) .
                    static::encode6Bits((($b0 << 4) | ($b1 >> 4)) & 63) .
                    static::encode6Bits(($b1 << 2) & 63);
                if ($pad) {
                    $dest .= '=';
                }
            } else {
                $dest .=
                    static::encode6Bits( $b0 >> 2) .
                    static::encode6Bits(($b0 << 4) & 63);
                if ($pad) {
                    $dest .= '==';
                }
            }
        }
        return $dest;
    }

    /**
     * decode from base64 into binary
     *
     * Base64 character set "./[A-Z][a-z][0-9]"
     *
     * @param string $encodedString
     * @param bool $strictPadding
     * @return string
     * @throws \RangeException
     * @throws \TypeError
     * @psalm-suppress RedundantCondition
     */
    public static function decode(string $encodedString, bool $strictPadding = false): string
    {
        // Remove padding
        $srcLen = Binary::safeStrlen($encodedString);
        if ($srcLen === 0) {
            return '';
        }

        if ($strictPadding) {
            if (($srcLen & 3) === 0) {
                if ($encodedString[$srcLen - 1] === '=') {
                    $srcLen--;
                    if ($encodedString[$srcLen - 1] === '=') {
                        $srcLen--;
                    }
                }
            }
            if (($srcLen & 3) === 1) {
                throw new \RangeException(
                    'Incorrect padding'
                );
            }
            if ($encodedString[$srcLen - 1] === '=') {
                throw new \RangeException(
                    'Incorrect padding'
                );
            }
        } else {
            $encodedString = \rtrim($encodedString, '=');
            $srcLen = Binary::safeStrlen($encodedString);
        }

        $err = 0;
        $dest = '';
        // Main loop (no padding):
        for ($i = 0; $i + 4 <= $srcLen; $i += 4) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($encodedString, $i, 4));
            $c0 = static::decode6Bits($chunk[1]);
            $c1 = static::decode6Bits($chunk[2]);
            $c2 = static::decode6Bits($chunk[3]);
            $c3 = static::decode6Bits($chunk[4]);

            $dest .= \pack(
                'CCC',
                ((($c0 << 2) | ($c1 >> 4)) & 0xff),
                ((($c1 << 4) | ($c2 >> 2)) & 0xff),
                ((($c2 << 6) |  $c3      ) & 0xff)
            );
            $err |= ($c0 | $c1 | $c2 | $c3) >> 8;
        }
        // The last chunk, which may have padding:
        if ($i < $srcLen) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($encodedString, $i, $srcLen - $i));
            $c0 = static::decode6Bits($chunk[1]);

            if ($i + 2 < $srcLen) {
                $c1 = static::decode6Bits($chunk[2]);
                $c2 = static::decode6Bits($chunk[3]);
                $dest .= \pack(
                    'CC',
                    ((($c0 << 2) | ($c1 >> 4)) & 0xff),
                    ((($c1 << 4) | ($c2 >> 2)) & 0xff)
                );
                $err |= ($c0 | $c1 | $c2) >> 8;
            } elseif ($i + 1 < $srcLen) {
                $c1 = static::decode6Bits($chunk[2]);
                $dest .= \pack(
                    'C',
                    ((($c0 << 2) | ($c1 >> 4)) & 0xff)
                );
                $err |= ($c0 | $c1) >> 8;
            } elseif ($strictPadding) {
                $err |= 1;
            }
        }
        $check = ($err === 0);
        if (!$check) {
            throw new \RangeException(
                'Base64::decode() only expects characters in the correct base64 alphabet'
            );
        }
        return $dest;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 6-bit integers
     * into 8-bit integers.
     *
     * Base64 character set:
     * [A-Z]      [a-z]      [0-9]      +     /
     * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2b, 0x2f
     *
     * @param int $src
     * @return int
     */
    protected static function decode6Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64);

        // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70);

        // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5);

        // if ($src == 0x2b) $ret += 62 + 1;
        $ret += (((0x2a - $src) & ($src - 0x2c)) >> 8) & 63;

        // if ($src == 0x2f) ret += 63 + 1;
        $ret += (((0x2e - $src) & ($src - 0x30)) >> 8) & 64;

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 6-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode6Bits(int $src): string
    {
        $diff = 0x41;

        // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6
        $diff += ((25 - $src) >> 8) & 6;

        // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75
        $diff -= ((51 - $src) >> 8) & 75;

        // if ($src > 61) $diff += 0x2b - 0x30 - 10; // -15
        $diff -= ((61 - $src) >> 8) & 15;

        // if ($src > 62) $diff += 0x2f - 0x2b - 1; // 3
        $diff += ((62 - $src) >> 8) & 3;

        return \pack('C', $src + $diff);
    }
}
PK     ­ˆU]_—ßÓ1  1  3  vendor/paragonie/constant_time_encoding/src/Hex.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Hex
 * @package ParagonIE\ConstantTime
 */
abstract class Hex implements EncoderInterface
{
    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $binString (raw binary)
     * @return string
     * @throws \TypeError
     */
    public static function encode(string $binString): string
    {
        $hex = '';
        $len = Binary::safeStrlen($binString);
        for ($i = 0; $i < $len; ++$i) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C', Binary::safeSubstr($binString, $i, 1));
            $c = $chunk[1] & 0xf;
            $b = $chunk[1] >> 4;

            $hex .= pack(
                'CC',
                (87 + $b + ((($b - 10) >> 8) & ~38)),
                (87 + $c + ((($c - 10) >> 8) & ~38))
            );
        }
        return $hex;
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks, returning uppercase letters (as per RFC 4648)
     *
     * @param string $binString (raw binary)
     * @return string
     * @throws \TypeError
     */
    public static function encodeUpper(string $binString): string
    {
        $hex = '';
        $len = Binary::safeStrlen($binString);

        for ($i = 0; $i < $len; ++$i) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C', Binary::safeSubstr($binString, $i, 2));
            $c = $chunk[1] & 0xf;
            $b = $chunk[1] >> 4;

            $hex .= pack(
                'CC',
                (55 + $b + ((($b - 10) >> 8) & ~6)),
                (55 + $c + ((($c - 10) >> 8) & ~6))
            );
        }
        return $hex;
    }

    /**
     * Convert a hexadecimal string into a binary string without cache-timing
     * leaks
     *
     * @param string $encodedString
     * @param bool $strictPadding
     * @return string (raw binary)
     * @throws \RangeException
     */
    public static function decode(string $encodedString, bool $strictPadding = false): string
    {
        $hex_pos = 0;
        $bin = '';
        $c_acc = 0;
        $hex_len = Binary::safeStrlen($encodedString);
        $state = 0;
        if (($hex_len & 1) !== 0) {
            if ($strictPadding) {
                throw new \RangeException(
                    'Expected an even number of hexadecimal characters'
                );
            } else {
                $encodedString = '0' . $encodedString;
                ++$hex_len;
            }
        }

        /** @var array<int, int> $chunk */
        $chunk = \unpack('C*', $encodedString);
        while ($hex_pos < $hex_len) {
            ++$hex_pos;
            $c = $chunk[$hex_pos];
            $c_num = $c ^ 48;
            $c_num0 = ($c_num - 10) >> 8;
            $c_alpha = ($c & ~32) - 55;
            $c_alpha0 = (($c_alpha - 10) ^ ($c_alpha - 16)) >> 8;

            if (($c_num0 | $c_alpha0) === 0) {
                throw new \RangeException(
                    'Expected hexadecimal character'
                );
            }
            $c_val = ($c_num0 & $c_num) | ($c_alpha & $c_alpha0);
            if ($state === 0) {
                $c_acc = $c_val * 16;
            } else {
                $bin .= \pack('C', $c_acc | $c_val);
            }
            $state ^= 1;
        }
        return $bin;
    }
}
PK     ­ˆU]á¯qÚ~  ~  8  vendor/paragonie/constant_time_encoding/src/Encoding.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Encoding
 * @package ParagonIE\ConstantTime
 */
abstract class Encoding
{
    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32Encode(string $str): string
    {
        return Base32::encode($str);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32EncodeUpper(string $str): string
    {
        return Base32::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32 decoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32Decode(string $str): string
    {
        return Base32::decode($str);
    }

    /**
     * RFC 4648 Base32 decoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32DecodeUpper(string $str): string
    {
        return Base32::decodeUpper($str);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexEncode(string $str): string
    {
        return Base32Hex::encode($str);
    }

    /**
     * RFC 4648 Base32Hex encoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexEncodeUpper(string $str): string
    {
        return Base32Hex::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32Hex decoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexDecode(string $str): string
    {
        return Base32Hex::decode($str);
    }

    /**
     * RFC 4648 Base32Hex decoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexDecodeUpper(string $str): string
    {
        return Base32Hex::decodeUpper($str);
    }

    /**
     * RFC 4648 Base64 encoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64Encode(string $str): string
    {
        return Base64::encode($str);
    }

    /**
     * RFC 4648 Base64 decoding
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64Decode(string $str): string
    {
        return Base64::decode($str);
    }

    /**
     * Encode into Base64
     *
     * Base64 character set "./[A-Z][a-z][0-9]"
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64EncodeDotSlash(string $str): string
    {
        return Base64DotSlash::encode($str);
    }

    /**
     * Decode from base64 to raw binary
     *
     * Base64 character set "./[A-Z][a-z][0-9]"
     *
     * @param string $str
     * @return string
     * @throws \RangeException
     * @throws \TypeError
     */
    public static function base64DecodeDotSlash(string $str): string
    {
        return Base64DotSlash::decode($str);
    }

    /**
     * Encode into Base64
     *
     * Base64 character set "[.-9][A-Z][a-z]" or "./[0-9][A-Z][a-z]"
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64EncodeDotSlashOrdered(string $str): string
    {
        return Base64DotSlashOrdered::encode($str);
    }

    /**
     * Decode from base64 to raw binary
     *
     * Base64 character set "[.-9][A-Z][a-z]" or "./[0-9][A-Z][a-z]"
     *
     * @param string $str
     * @return string
     * @throws \RangeException
     * @throws \TypeError
     */
    public static function base64DecodeDotSlashOrdered(string $str): string
    {
        return Base64DotSlashOrdered::decode($str);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     * @throws \TypeError
     */
    public static function hexEncode(string $bin_string): string
    {
        return Hex::encode($bin_string);
    }

    /**
     * Convert a hexadecimal string into a binary string without cache-timing
     * leaks
     *
     * @param string $hex_string
     * @return string (raw binary)
     * @throws \RangeException
     */
    public static function hexDecode(string $hex_string): string
    {
        return Hex::decode($hex_string);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     * @throws \TypeError
     */
    public static function hexEncodeUpper(string $bin_string): string
    {
        return Hex::encodeUpper($bin_string);
    }

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $bin_string (raw binary)
     * @return string
     */
    public static function hexDecodeUpper(string $bin_string): string
    {
        return Hex::decode($bin_string);
    }
}
PK     ­ˆU]¿øõÀ  À  @  vendor/paragonie/constant_time_encoding/src/EncoderInterface.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Interface EncoderInterface
 * @package ParagonIE\ConstantTime
 */
interface EncoderInterface
{
    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $binString (raw binary)
     * @return string
     */
    public static function encode(string $binString): string;

    /**
     * Convert a binary string into a hexadecimal string without cache-timing
     * leaks
     *
     * @param string $encodedString
     * @param bool $strictPadding Error on invalid padding
     * @return string (raw binary)
     */
    public static function decode(string $encodedString, bool $strictPadding = false): string;
}
PK     ­ˆU]›ûìß  ß  >  vendor/paragonie/constant_time_encoding/src/Base64DotSlash.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base64DotSlash
 * ./[A-Z][a-z][0-9]
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base64DotSlash extends Base64
{
    /**
     * Uses bitwise operators instead of table-lookups to turn 6-bit integers
     * into 8-bit integers.
     *
     * Base64 character set:
     * ./         [A-Z]      [a-z]     [0-9]
     * 0x2e-0x2f, 0x41-0x5a, 0x61-0x7a, 0x30-0x39
     *
     * @param int $src
     * @return int
     */
    protected static function decode6Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 0x2d && $src < 0x30) ret += $src - 0x2e + 1; // -45
        $ret += (((0x2d - $src) & ($src - 0x30)) >> 8) & ($src - 45);

        // if ($src > 0x40 && $src < 0x5b) ret += $src - 0x41 + 2 + 1; // -62
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 62);

        // if ($src > 0x60 && $src < 0x7b) ret += $src - 0x61 + 28 + 1; // -68
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 68);

        // if ($src > 0x2f && $src < 0x3a) ret += $src - 0x30 + 54 + 1; // 7
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 7);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 6-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode6Bits(int $src): string
    {
        $src += 0x2e;

        // if ($src > 0x2f) $src += 0x41 - 0x30; // 17
        $src += ((0x2f - $src) >> 8) & 17;

        // if ($src > 0x5a) $src += 0x61 - 0x5b; // 6
        $src += ((0x5a - $src) >> 8) & 6;

        // if ($src > 0x7a) $src += 0x30 - 0x7b; // -75
        $src -= ((0x7a - $src) >> 8) & 75;

        return \pack('C', $src);
    }
}
PK     ­ˆU]¨²~À�
  �
  6  vendor/paragonie/constant_time_encoding/src/Binary.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Binary
 *
 * Binary string operators that don't choke on
 * mbstring.func_overload
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Binary
{
    /**
     * Safe string length
     *
     * @ref mbstring.func_overload
     *
     * @param string $str
     * @return int
     */
    public static function safeStrlen(string $str): int
    {
        if (\function_exists('mb_strlen')) {
            // mb_strlen in PHP 7.x can return false.
            /** @psalm-suppress RedundantCast */
            return (int) \mb_strlen($str, '8bit');
        } else {
            return \strlen($str);
        }
    }

    /**
     * Safe substring
     *
     * @ref mbstring.func_overload
     *
     * @staticvar boolean $exists
     * @param string $str
     * @param int $start
     * @param ?int $length
     * @return string
     * @throws \TypeError
     */
    public static function safeSubstr(
        string $str,
        int $start = 0,
        $length = null
    ): string {
        if ($length === 0) {
            return '';
        }
        if (\function_exists('mb_substr')) {
            return \mb_substr($str, $start, $length, '8bit');
        }
        // Unlike mb_substr(), substr() doesn't accept NULL for length
        if ($length !== null) {
            return \substr($str, $start, $length);
        } else {
            return \substr($str, $start);
        }
    }
}
PK     ®ˆU]¤õß)œ  œ  =  vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base64UrlSafe
 * [A-Z][a-z][0-9]\-_
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base64UrlSafe extends Base64
{

    /**
     * Uses bitwise operators instead of table-lookups to turn 6-bit integers
     * into 8-bit integers.
     *
     * Base64 character set:
     * [A-Z]      [a-z]      [0-9]      -     _
     * 0x41-0x5a, 0x61-0x7a, 0x30-0x39, 0x2d, 0x5f
     *
     * @param int $src
     * @return int
     */
    protected static function decode6Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 0x40 && $src < 0x5b) $ret += $src - 0x41 + 1; // -64
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64);

        // if ($src > 0x60 && $src < 0x7b) $ret += $src - 0x61 + 26 + 1; // -70
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 70);

        // if ($src > 0x2f && $src < 0x3a) $ret += $src - 0x30 + 52 + 1; // 5
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 5);

        // if ($src == 0x2c) $ret += 62 + 1;
        $ret += (((0x2c - $src) & ($src - 0x2e)) >> 8) & 63;

        // if ($src == 0x5f) ret += 63 + 1;
        $ret += (((0x5e - $src) & ($src - 0x60)) >> 8) & 64;

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 6-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode6Bits(int $src): string
    {
        $diff = 0x41;

        // if ($src > 25) $diff += 0x61 - 0x41 - 26; // 6
        $diff += ((25 - $src) >> 8) & 6;

        // if ($src > 51) $diff += 0x30 - 0x61 - 26; // -75
        $diff -= ((51 - $src) >> 8) & 75;

        // if ($src > 61) $diff += 0x2d - 0x30 - 10; // -13
        $diff -= ((61 - $src) >> 8) & 13;

        // if ($src > 62) $diff += 0x5f - 0x2b - 1; // 3
        $diff += ((62 - $src) >> 8) & 49;

        return \pack('C', $src + $diff);
    }
}
PK     ®ˆU]ÂÅð:Ò>  Ò>  6  vendor/paragonie/constant_time_encoding/src/Base32.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base32
 * [A-Z][2-7]
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base32 implements EncoderInterface
{
    /**
     * Decode a Base32-encoded string into raw binary
     *
     * @param string $encodedString
     * @param bool $strictPadding
     * @return string
     */
    public static function decode(string $encodedString, bool $strictPadding = false): string
    {
        return static::doDecode($encodedString, false, $strictPadding);
    }

    /**
     * Decode an uppercase Base32-encoded string into raw binary
     *
     * @param string $src
     * @param bool $strictPadding
     * @return string
     */
    public static function decodeUpper(string $src, bool $strictPadding = false): string
    {
        return static::doDecode($src, true, $strictPadding);
    }

    /**
     * Encode into Base32 (RFC 4648)
     *
     * @param string $binString
     * @return string
     * @throws \TypeError
     */
    public static function encode(string $binString): string
    {
        return static::doEncode($binString, false, true);
    }
    /**
     * Encode into Base32 (RFC 4648)
     *
     * @param string $src
     * @return string
     * @throws \TypeError
     */
    public static function encodeUnpadded(string $src): string
    {
        return static::doEncode($src, false, false);
    }

    /**
     * Encode into uppercase Base32 (RFC 4648)
     *
     * @param string $src
     * @return string
     * @throws \TypeError
     */
    public static function encodeUpper(string $src): string
    {
        return static::doEncode($src, true, true);
    }

    /**
     * Encode into uppercase Base32 (RFC 4648)
     *
     * @param string $src
     * @return string
     * @throws \TypeError
     */
    public static function encodeUpperUnpadded(string $src): string
    {
        return static::doEncode($src, true, false);
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 5-bit integers
     * into 8-bit integers.
     *
     * @param int $src
     * @return int
     */
    protected static function decode5Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 96 && $src < 123) $ret += $src - 97 + 1; // -64
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 96);

        // if ($src > 0x31 && $src < 0x38) $ret += $src - 24 + 1; // -23
        $ret += (((0x31 - $src) & ($src - 0x38)) >> 8) & ($src - 23);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 5-bit integers
     * into 8-bit integers.
     *
     * Uppercase variant.
     *
     * @param int $src
     * @return int
     */
    protected static function decode5BitsUpper(int $src): int
    {
        $ret = -1;

        // if ($src > 64 && $src < 91) $ret += $src - 65 + 1; // -64
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 64);

        // if ($src > 0x31 && $src < 0x38) $ret += $src - 24 + 1; // -23
        $ret += (((0x31 - $src) & ($src - 0x38)) >> 8) & ($src - 23);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 5-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode5Bits(int $src): string
    {
        $diff = 0x61;

        // if ($src > 25) $ret -= 72;
        $diff -= ((25 - $src) >> 8) & 73;

        return \pack('C', $src + $diff);
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 5-bit integers.
     *
     * Uppercase variant.
     *
     * @param int $src
     * @return string
     */
    protected static function encode5BitsUpper(int $src): string
    {
        $diff = 0x41;

        // if ($src > 25) $ret -= 40;
        $diff -= ((25 - $src) >> 8) & 41;

        return \pack('C', $src + $diff);
    }


    /**
     * Base32 decoding
     *
     * @param string $src
     * @param bool $upper
     * @param bool $strictPadding
     * @return string
     * @throws \TypeError
     * @psalm-suppress RedundantCondition
     */
    protected static function doDecode(string $src, bool $upper = false, bool $strictPadding = false): string
    {
        // We do this to reduce code duplication:
        $method = $upper
            ? 'decode5BitsUpper'
            : 'decode5Bits';

        // Remove padding
        $srcLen = Binary::safeStrlen($src);
        if ($srcLen === 0) {
            return '';
        }
        if ($strictPadding) {
            if (($srcLen & 7) === 0) {
                for ($j = 0; $j < 7; ++$j) {
                    if ($src[$srcLen - 1] === '=') {
                        $srcLen--;
                    } else {
                        break;
                    }
                }
            }
            if (($srcLen & 7) === 1) {
                throw new \RangeException(
                    'Incorrect padding'
                );
            }
        } else {
            $src = \rtrim($src, '=');
            $srcLen = Binary::safeStrlen($src);
        }

        $err = 0;
        $dest = '';
        // Main loop (no padding):
        for ($i = 0; $i + 8 <= $srcLen; $i += 8) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, 8));
            /** @var int $c0 */
            $c0 = static::$method($chunk[1]);
            /** @var int $c1 */
            $c1 = static::$method($chunk[2]);
            /** @var int $c2 */
            $c2 = static::$method($chunk[3]);
            /** @var int $c3 */
            $c3 = static::$method($chunk[4]);
            /** @var int $c4 */
            $c4 = static::$method($chunk[5]);
            /** @var int $c5 */
            $c5 = static::$method($chunk[6]);
            /** @var int $c6 */
            $c6 = static::$method($chunk[7]);
            /** @var int $c7 */
            $c7 = static::$method($chunk[8]);

            $dest .= \pack(
                'CCCCC',
                (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                (($c1 << 6) | ($c2 << 1) | ($c3 >> 4)) & 0xff,
                (($c3 << 4) | ($c4 >> 1)             ) & 0xff,
                (($c4 << 7) | ($c5 << 2) | ($c6 >> 3)) & 0xff,
                (($c6 << 5) | ($c7     )             ) & 0xff
            );
            $err |= ($c0 | $c1 | $c2 | $c3 | $c4 | $c5 | $c6 | $c7) >> 8;
        }
        // The last chunk, which may have padding:
        if ($i < $srcLen) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, $srcLen - $i));
            /** @var int $c0 */
            $c0 = static::$method($chunk[1]);

            if ($i + 6 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);
                /** @var int $c2 */
                $c2 = static::$method($chunk[3]);
                /** @var int $c3 */
                $c3 = static::$method($chunk[4]);
                /** @var int $c4 */
                $c4 = static::$method($chunk[5]);
                /** @var int $c5 */
                $c5 = static::$method($chunk[6]);
                /** @var int $c6 */
                $c6 = static::$method($chunk[7]);

                $dest .= \pack(
                    'CCCC',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                    (($c1 << 6) | ($c2 << 1) | ($c3 >> 4)) & 0xff,
                    (($c3 << 4) | ($c4 >> 1)             ) & 0xff,
                    (($c4 << 7) | ($c5 << 2) | ($c6 >> 3)) & 0xff
                );
                $err |= ($c0 | $c1 | $c2 | $c3 | $c4 | $c5 | $c6) >> 8;
            } elseif ($i + 5 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);
                /** @var int $c2 */
                $c2 = static::$method($chunk[3]);
                /** @var int $c3 */
                $c3 = static::$method($chunk[4]);
                /** @var int $c4 */
                $c4 = static::$method($chunk[5]);
                /** @var int $c5 */
                $c5 = static::$method($chunk[6]);

                $dest .= \pack(
                    'CCCC',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                    (($c1 << 6) | ($c2 << 1) | ($c3 >> 4)) & 0xff,
                    (($c3 << 4) | ($c4 >> 1)             ) & 0xff,
                    (($c4 << 7) | ($c5 << 2)             ) & 0xff
                );
                $err |= ($c0 | $c1 | $c2 | $c3 | $c4 | $c5) >> 8;
            } elseif ($i + 4 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);
                /** @var int $c2 */
                $c2 = static::$method($chunk[3]);
                /** @var int $c3 */
                $c3 = static::$method($chunk[4]);
                /** @var int $c4 */
                $c4 = static::$method($chunk[5]);

                $dest .= \pack(
                    'CCC',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                    (($c1 << 6) | ($c2 << 1) | ($c3 >> 4)) & 0xff,
                    (($c3 << 4) | ($c4 >> 1)             ) & 0xff
                );
                $err |= ($c0 | $c1 | $c2 | $c3 | $c4) >> 8;
            } elseif ($i + 3 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);
                /** @var int $c2 */
                $c2 = static::$method($chunk[3]);
                /** @var int $c3 */
                $c3 = static::$method($chunk[4]);

                $dest .= \pack(
                    'CC',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                    (($c1 << 6) | ($c2 << 1) | ($c3 >> 4)) & 0xff
                );
                $err |= ($c0 | $c1 | $c2 | $c3) >> 8;
            } elseif ($i + 2 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);
                /** @var int $c2 */
                $c2 = static::$method($chunk[3]);

                $dest .= \pack(
                    'CC',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff,
                    (($c1 << 6) | ($c2 << 1)             ) & 0xff
                );
                $err |= ($c0 | $c1 | $c2) >> 8;
            } elseif ($i + 1 < $srcLen) {
                /** @var int $c1 */
                $c1 = static::$method($chunk[2]);

                $dest .= \pack(
                    'C',
                    (($c0 << 3) | ($c1 >> 2)             ) & 0xff
                );
                $err |= ($c0 | $c1) >> 8;
            } else {
                $dest .= \pack(
                    'C',
                    (($c0 << 3)                          ) & 0xff
                );
                $err |= ($c0) >> 8;
            }
        }
        $check = ($err === 0);
        if (!$check) {
            throw new \RangeException(
                'Base32::doDecode() only expects characters in the correct base32 alphabet'
            );
        }
        return $dest;
    }

    /**
     * Base32 Encoding
     *
     * @param string $src
     * @param bool $upper
     * @param bool $pad
     * @return string
     * @throws \TypeError
     */
    protected static function doEncode(string $src, bool $upper = false, $pad = true): string
    {
        // We do this to reduce code duplication:
        $method = $upper
            ? 'encode5BitsUpper'
            : 'encode5Bits';
        
        $dest = '';
        $srcLen = Binary::safeStrlen($src);

        // Main loop (no padding):
        for ($i = 0; $i + 5 <= $srcLen; $i += 5) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, 5));
            $b0 = $chunk[1];
            $b1 = $chunk[2];
            $b2 = $chunk[3];
            $b3 = $chunk[4];
            $b4 = $chunk[5];
            $dest .=
                static::$method(              ($b0 >> 3)  & 31) .
                static::$method((($b0 << 2) | ($b1 >> 6)) & 31) .
                static::$method((($b1 >> 1)             ) & 31) .
                static::$method((($b1 << 4) | ($b2 >> 4)) & 31) .
                static::$method((($b2 << 1) | ($b3 >> 7)) & 31) .
                static::$method((($b3 >> 2)             ) & 31) .
                static::$method((($b3 << 3) | ($b4 >> 5)) & 31) .
                static::$method(  $b4                     & 31);
        }
        // The last chunk, which may have padding:
        if ($i < $srcLen) {
            /** @var array<int, int> $chunk */
            $chunk = \unpack('C*', Binary::safeSubstr($src, $i, $srcLen - $i));
            $b0 = $chunk[1];
            if ($i + 3 < $srcLen) {
                $b1 = $chunk[2];
                $b2 = $chunk[3];
                $b3 = $chunk[4];
                $dest .=
                    static::$method(              ($b0 >> 3)  & 31) .
                    static::$method((($b0 << 2) | ($b1 >> 6)) & 31) .
                    static::$method((($b1 >> 1)             ) & 31) .
                    static::$method((($b1 << 4) | ($b2 >> 4)) & 31) .
                    static::$method((($b2 << 1) | ($b3 >> 7)) & 31) .
                    static::$method((($b3 >> 2)             ) & 31) .
                    static::$method((($b3 << 3)             ) & 31);
                if ($pad) {
                    $dest .= '=';
                }
            } elseif ($i + 2 < $srcLen) {
                $b1 = $chunk[2];
                $b2 = $chunk[3];
                $dest .=
                    static::$method(              ($b0 >> 3)  & 31) .
                    static::$method((($b0 << 2) | ($b1 >> 6)) & 31) .
                    static::$method((($b1 >> 1)             ) & 31) .
                    static::$method((($b1 << 4) | ($b2 >> 4)) & 31) .
                    static::$method((($b2 << 1)             ) & 31);
                if ($pad) {
                    $dest .= '===';
                }
            } elseif ($i + 1 < $srcLen) {
                $b1 = $chunk[2];
                $dest .=
                    static::$method(              ($b0 >> 3)  & 31) .
                    static::$method((($b0 << 2) | ($b1 >> 6)) & 31) .
                    static::$method((($b1 >> 1)             ) & 31) .
                    static::$method((($b1 << 4)             ) & 31);
                if ($pad) {
                    $dest .= '====';
                }
            } else {
                $dest .=
                    static::$method(              ($b0 >> 3)  & 31) .
                    static::$method( ($b0 << 2)               & 31);
                if ($pad) {
                    $dest .= '======';
                }
            }
        }
        return $dest;
    }
}
PK     ®ˆU]nÊ)Ž  Ž  7  vendor/paragonie/constant_time_encoding/src/RFC4648.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class RFC4648
 *
 * This class conforms strictly to the RFC
 *
 * @package ParagonIE\ConstantTime
 */
abstract class RFC4648
{
    /**
     * RFC 4648 Base64 encoding
     *
     * "foo" -> "Zm9v"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64Encode(string $str): string
    {
        return Base64::encode($str);
    }

    /**
     * RFC 4648 Base64 decoding
     *
     * "Zm9v" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64Decode(string $str): string
    {
        return Base64::decode($str, true);
    }

    /**
     * RFC 4648 Base64 (URL Safe) encoding
     *
     * "foo" -> "Zm9v"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64UrlSafeEncode(string $str): string
    {
        return Base64UrlSafe::encode($str);
    }

    /**
     * RFC 4648 Base64 (URL Safe) decoding
     *
     * "Zm9v" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base64UrlSafeDecode(string $str): string
    {
        return Base64UrlSafe::decode($str, true);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * "foo" -> "MZXW6==="
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32Encode(string $str): string
    {
        return Base32::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32 encoding
     *
     * "MZXW6===" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32Decode(string $str): string
    {
        return Base32::decodeUpper($str, true);
    }

    /**
     * RFC 4648 Base32-Hex encoding
     *
     * "foo" -> "CPNMU==="
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexEncode(string $str): string
    {
        return Base32::encodeUpper($str);
    }

    /**
     * RFC 4648 Base32-Hex decoding
     *
     * "CPNMU===" -> "foo"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base32HexDecode(string $str): string
    {
        return Base32::decodeUpper($str, true);
    }

    /**
     * RFC 4648 Base16 decoding
     *
     * "foo" -> "666F6F"
     *
     * @param string $str
     * @return string
     * @throws \TypeError
     */
    public static function base16Encode(string $str): string
    {
        return Hex::encodeUpper($str);
    }

    /**
     * RFC 4648 Base16 decoding
     *
     * "666F6F" -> "foo"
     *
     * @param string $str
     * @return string
     */
    public static function base16Decode(string $str): string
    {
        return Hex::decode($str, true);
    }
}PK     ®ˆU]ï)ädY  Y  9  vendor/paragonie/constant_time_encoding/src/Base32Hex.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base32Hex
 * [0-9][A-V]
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base32Hex extends Base32
{
    /**
     * Uses bitwise operators instead of table-lookups to turn 5-bit integers
     * into 8-bit integers.
     *
     * @param int $src
     * @return int
     */
    protected static function decode5Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 0x30 && $src < 0x3a) ret += $src - 0x2e + 1; // -47
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src - 47);

        // if ($src > 0x60 && $src < 0x77) ret += $src - 0x61 + 10 + 1; // -86
        $ret += (((0x60 - $src) & ($src - 0x77)) >> 8) & ($src - 86);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 5-bit integers
     * into 8-bit integers.
     *
     * @param int $src
     * @return int
     */
    protected static function decode5BitsUpper(int $src): int
    {
        $ret = -1;

        // if ($src > 0x30 && $src < 0x3a) ret += $src - 0x2e + 1; // -47
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src - 47);

        // if ($src > 0x40 && $src < 0x57) ret += $src - 0x41 + 10 + 1; // -54
        $ret += (((0x40 - $src) & ($src - 0x57)) >> 8) & ($src - 54);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 5-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode5Bits(int $src): string
    {
        $src += 0x30;

        // if ($src > 0x39) $src += 0x61 - 0x3a; // 39
        $src += ((0x39 - $src) >> 8) & 39;

        return \pack('C', $src);
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 5-bit integers.
     *
     * Uppercase variant.
     *
     * @param int $src
     * @return string
     */
    protected static function encode5BitsUpper(int $src): string
    {
        $src += 0x30;

        // if ($src > 0x39) $src += 0x41 - 0x3a; // 7
        $src += ((0x39 - $src) >> 8) & 7;

        return \pack('C', $src);
    }
}PK     ®ˆU]T* Bà
  à
  E  vendor/paragonie/constant_time_encoding/src/Base64DotSlashOrdered.phpnu „[µü¤        <?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2018 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 */

/**
 * Class Base64DotSlashOrdered
 * ./[0-9][A-Z][a-z]
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base64DotSlashOrdered extends Base64
{
    /**
     * Uses bitwise operators instead of table-lookups to turn 6-bit integers
     * into 8-bit integers.
     *
     * Base64 character set:
     * [.-9]      [A-Z]      [a-z]
     * 0x2e-0x39, 0x41-0x5a, 0x61-0x7a
     *
     * @param int $src
     * @return int
     */
    protected static function decode6Bits(int $src): int
    {
        $ret = -1;

        // if ($src > 0x2d && $src < 0x3a) ret += $src - 0x2e + 1; // -45
        $ret += (((0x2d - $src) & ($src - 0x3a)) >> 8) & ($src - 45);

        // if ($src > 0x40 && $src < 0x5b) ret += $src - 0x41 + 12 + 1; // -52
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 52);

        // if ($src > 0x60 && $src < 0x7b) ret += $src - 0x61 + 38 + 1; // -58
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 58);

        return $ret;
    }

    /**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 6-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode6Bits(int $src): string
    {
        $src += 0x2e;

        // if ($src > 0x39) $src += 0x41 - 0x3a; // 7
        $src += ((0x39 - $src) >> 8) & 7;

        // if ($src > 0x5a) $src += 0x61 - 0x5b; // 6
        $src += ((0x5a - $src) >> 8) & 6;

        return \pack('C', $src);
    }
}
PK     ®ˆU]>®î J  J  &  vendor/paragonie/random_compat/LICENSEnu „[µü¤        The MIT License (MIT)

Copyright (c) 2015 Paragon Initiative Enterprises

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

PK     ®ˆU]·Šç   ç   1  vendor/paragonie/random_compat/psalm-autoload.phpnu „[µü¤        <?php

require_once 'lib/byte_safe_strings.php';
require_once 'lib/cast_to_int.php';
require_once 'lib/error_polyfill.php';
require_once 'other/ide_stubs/libsodium.php';
require_once 'lib/random.php';

$int = random_int(0, 65536);
PK     ®ˆU]D¨‰·T  T  (  vendor/paragonie/random_compat/psalm.xmlnu „[µü¤        <?xml version="1.0"?>
<psalm
    autoloader="psalm-autoload.php"
    stopOnFirstError="false"
    useDocblockTypes="true"
>
    <projectFiles>
        <directory name="lib" />
    </projectFiles>
    <issueHandlers>
        <RedundantConditionGivenDocblockType errorLevel="info" />
        <UnresolvableInclude errorLevel="info" />
        <DuplicateClass errorLevel="info" />
        <InvalidOperand errorLevel="info" />
        <UndefinedConstant errorLevel="info" />
        <MissingReturnType errorLevel="info" />
        <InvalidReturnType errorLevel="info" />
    </issueHandlers>
</psalm>
PK     ®ˆU]ëk}4a  a  3  vendor/paragonie/random_compat/other/build_phar.phpnu „[µü¤        <?php
$dist = dirname(__DIR__).'/dist';
if (!is_dir($dist)) {
    mkdir($dist, 0755);
}
if (file_exists($dist.'/random_compat.phar')) {
    unlink($dist.'/random_compat.phar');
}
$phar = new Phar(
    $dist.'/random_compat.phar',
    FilesystemIterator::CURRENT_AS_FILEINFO | \FilesystemIterator::KEY_AS_FILENAME,
    'random_compat.phar'
);
rename(
    dirname(__DIR__).'/lib/random.php', 
    dirname(__DIR__).'/lib/index.php'
);
$phar->buildFromDirectory(dirname(__DIR__).'/lib');
rename(
    dirname(__DIR__).'/lib/index.php', 
    dirname(__DIR__).'/lib/random.php'
);

/**
 * If we pass an (optional) path to a private key as a second argument, we will
 * sign the Phar with OpenSSL.
 * 
 * If you leave this out, it will produce an unsigned .phar!
 */
if ($argc > 1) {
    if (!@is_readable($argv[1])) {
        echo 'Could not read the private key file:', $argv[1], "\n";
        exit(255);
    }
    $pkeyFile = file_get_contents($argv[1]);
    
    $private = openssl_get_privatekey($pkeyFile);
    if ($private !== false) {
        $pkey = '';
        openssl_pkey_export($private, $pkey);
        $phar->setSignatureAlgorithm(Phar::OPENSSL, $pkey);
        
        /**
         * Save the corresponding public key to the file
         */
        if (!@is_readable($dist.'/random_compat.phar.pubkey')) {
            $details = openssl_pkey_get_details($private);
            file_put_contents(
                $dist.'/random_compat.phar.pubkey',
                $details['key']
            );
        }
    } else {
        echo 'An error occurred reading the private key from OpenSSL.', "\n";
        exit(255);
    }
}
PK     ¯ˆU]t8Q†   †   ,  vendor/paragonie/random_compat/build-phar.shnu „[µü¤        #!/usr/bin/env bash

basedir=$( dirname $( readlink -f ${BASH_SOURCE[0]} ) )

php -dphar.readonly=0 "$basedir/other/build_phar.php" $*PK     ¯ˆU]*A|ê×   ×   =  vendor/paragonie/random_compat/dist/random_compat.phar.pubkeynu „[µü¤        -----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEEd+wCqJDrx5B4OldM0dQE0ZMX+lx1ZWm
pui0SUqD4G29L3NGsz9UhJ/0HjBdbnkhIK5xviT0X5vtjacF6ajgcCArbTB+ds+p
+h7Q084NuSuIpNb6YPfoUFgC/CL9kAoc
-----END PUBLIC KEY-----
PK     ¯ˆU]Ù¡i²è  è  A  vendor/paragonie/random_compat/dist/random_compat.phar.pubkey.ascnu „[µü¤        -----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (MingW32)

iQEcBAABAgAGBQJWtW1hAAoJEGuXocKCZATaJf0H+wbZGgskK1dcRTsuVJl9IWip
QwGw/qIKI280SD6/ckoUMxKDCJiFuPR14zmqnS36k7N5UNPnpdTJTS8T11jttSpg
1LCmgpbEIpgaTah+cELDqFCav99fS+bEiAL5lWDAHBTE/XPjGVCqeehyPYref4IW
NDBIEsvnHPHPLsn6X5jq4+Yj5oUixgxaMPiR+bcO4Sh+RzOVB6i2D0upWfRXBFXA
NNnsg9/zjvoC7ZW73y9uSH+dPJTt/Vgfeiv52/v41XliyzbUyLalf02GNPY+9goV
JHG1ulEEBJOCiUD9cE1PUIJwHA/HqyhHIvV350YoEFiHl8iSwm7SiZu5kPjaq74=
=B6+8
-----END PGP SIGNATURE-----
PK     ¯ˆU]í¿&¾/  /  -  vendor/paragonie/random_compat/lib/random.phpnu „[µü¤        <?php
/**
 * Random_* Compatibility Library
 * for using the new PHP 7 random_* API in PHP 5 projects
 *
 * @version 2.99.99
 * @released 2018-06-06
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

// NOP
PK     ¯ˆU]òôõ'  '    vendor/monolog/monolog/LICENSEnu „[µü¤        Copyright (c) 2011-2020 Jordi Boggiano

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     ¯ˆU]üGì  ì  :  vendor/monolog/monolog/src/Monolog/ResettableInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

/**
 * Handler or Processor implementing this interface will be reset when Logger::reset() is called.
 *
 * Resetting ends a log cycle gets them back to their initial state.
 *
 * Resetting a Handler or a Processor means flushing/cleaning all buffers, resetting internal
 * state, and getting it back to a state in which it can receive log records again.
 *
 * This is useful in case you want to avoid logs leaking between two requests or jobs when you
 * have a long running process like a worker or an application server serving multiple requests
 * in one process.
 *
 * @author GrÃ©goire Pineau <lyrixx@lyrixx.info>
 */
interface ResettableInterface
{
    /**
     * @return void
     */
    public function reset();
}
PK     °ˆU]ÆÕÄØÞ  Þ  4  vendor/monolog/monolog/src/Monolog/SignalHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use ReflectionExtension;

/**
 * Monolog POSIX signal handler
 *
 * @author Robert Gust-Bardon <robert@gust-bardon.org>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class SignalHandler
{
    /** @var LoggerInterface */
    private $logger;

    /** @var array<int, callable|string|int> SIG_DFL, SIG_IGN or previous callable */
    private $previousSignalHandler = [];
    /** @var array<int, int> */
    private $signalLevelMap = [];
    /** @var array<int, bool> */
    private $signalRestartSyscalls = [];

    public function __construct(LoggerInterface $logger)
    {
        $this->logger = $logger;
    }

    /**
     * @param  int|string $level           Level or level name
     * @param  bool       $callPrevious
     * @param  bool       $restartSyscalls
     * @param  bool|null  $async
     * @return $this
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function registerSignalHandler(int $signo, $level = LogLevel::CRITICAL, bool $callPrevious = true, bool $restartSyscalls = true, ?bool $async = true): self
    {
        if (!extension_loaded('pcntl') || !function_exists('pcntl_signal')) {
            return $this;
        }

        $level = Logger::toMonologLevel($level);

        if ($callPrevious) {
            $handler = pcntl_signal_get_handler($signo);
            $this->previousSignalHandler[$signo] = $handler;
        } else {
            unset($this->previousSignalHandler[$signo]);
        }
        $this->signalLevelMap[$signo] = $level;
        $this->signalRestartSyscalls[$signo] = $restartSyscalls;

        if ($async !== null) {
            pcntl_async_signals($async);
        }

        pcntl_signal($signo, [$this, 'handleSignal'], $restartSyscalls);

        return $this;
    }

    /**
     * @param mixed $siginfo
     */
    public function handleSignal(int $signo, $siginfo = null): void
    {
        static $signals = [];

        if (!$signals && extension_loaded('pcntl')) {
            $pcntl = new ReflectionExtension('pcntl');
            // HHVM 3.24.2 returns an empty array.
            foreach ($pcntl->getConstants() ?: get_defined_constants(true)['Core'] as $name => $value) {
                if (substr($name, 0, 3) === 'SIG' && $name[3] !== '_' && is_int($value)) {
                    $signals[$value] = $name;
                }
            }
        }

        $level = $this->signalLevelMap[$signo] ?? LogLevel::CRITICAL;
        $signal = $signals[$signo] ?? $signo;
        $context = $siginfo ?? [];
        $this->logger->log($level, sprintf('Program received signal %s', $signal), $context);

        if (!isset($this->previousSignalHandler[$signo])) {
            return;
        }

        if ($this->previousSignalHandler[$signo] === SIG_DFL) {
            if (extension_loaded('pcntl') && function_exists('pcntl_signal') && function_exists('pcntl_sigprocmask') && function_exists('pcntl_signal_dispatch')
                && extension_loaded('posix') && function_exists('posix_getpid') && function_exists('posix_kill')
            ) {
                $restartSyscalls = $this->signalRestartSyscalls[$signo] ?? true;
                pcntl_signal($signo, SIG_DFL, $restartSyscalls);
                pcntl_sigprocmask(SIG_UNBLOCK, [$signo], $oldset);
                posix_kill(posix_getpid(), $signo);
                pcntl_signal_dispatch();
                pcntl_sigprocmask(SIG_SETMASK, $oldset);
                pcntl_signal($signo, [$this, 'handleSignal'], $restartSyscalls);
            }
        } elseif (is_callable($this->previousSignalHandler[$signo])) {
            $this->previousSignalHandler[$signo]($signo, $siginfo);
        }
    }
}
PK     °ˆU]öâ>ë(  ë(  3  vendor/monolog/monolog/src/Monolog/ErrorHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;

/**
 * Monolog error handler
 *
 * A facility to enable logging of runtime errors, exceptions and fatal errors.
 *
 * Quick setup: <code>ErrorHandler::register($logger);</code>
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ErrorHandler
{
    /** @var LoggerInterface */
    private $logger;

    /** @var ?callable */
    private $previousExceptionHandler = null;
    /** @var array<class-string, LogLevel::*> an array of class name to LogLevel::* constant mapping */
    private $uncaughtExceptionLevelMap = [];

    /** @var callable|true|null */
    private $previousErrorHandler = null;
    /** @var array<int, LogLevel::*> an array of E_* constant to LogLevel::* constant mapping */
    private $errorLevelMap = [];
    /** @var bool */
    private $handleOnlyReportedErrors = true;

    /** @var bool */
    private $hasFatalErrorHandler = false;
    /** @var LogLevel::* */
    private $fatalLevel = LogLevel::ALERT;
    /** @var ?string */
    private $reservedMemory = null;
    /** @var ?mixed */
    private $lastFatalTrace;
    /** @var int[] */
    private static $fatalErrors = [E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR];

    public function __construct(LoggerInterface $logger)
    {
        $this->logger = $logger;
    }

    /**
     * Registers a new ErrorHandler for a given Logger
     *
     * By default it will handle errors, exceptions and fatal errors
     *
     * @param  LoggerInterface                        $logger
     * @param  array<int, LogLevel::*>|false          $errorLevelMap     an array of E_* constant to LogLevel::* constant mapping, or false to disable error handling
     * @param  array<class-string, LogLevel::*>|false $exceptionLevelMap an array of class name to LogLevel::* constant mapping, or false to disable exception handling
     * @param  LogLevel::*|null|false                 $fatalLevel        a LogLevel::* constant, null to use the default LogLevel::ALERT or false to disable fatal error handling
     * @return ErrorHandler
     */
    public static function register(LoggerInterface $logger, $errorLevelMap = [], $exceptionLevelMap = [], $fatalLevel = null): self
    {
        /** @phpstan-ignore-next-line */
        $handler = new static($logger);
        if ($errorLevelMap !== false) {
            $handler->registerErrorHandler($errorLevelMap);
        }
        if ($exceptionLevelMap !== false) {
            $handler->registerExceptionHandler($exceptionLevelMap);
        }
        if ($fatalLevel !== false) {
            $handler->registerFatalHandler($fatalLevel);
        }

        return $handler;
    }

    /**
     * @param  array<class-string, LogLevel::*> $levelMap an array of class name to LogLevel::* constant mapping
     * @return $this
     */
    public function registerExceptionHandler(array $levelMap = [], bool $callPrevious = true): self
    {
        $prev = set_exception_handler(function (\Throwable $e): void {
            $this->handleException($e);
        });
        $this->uncaughtExceptionLevelMap = $levelMap;
        foreach ($this->defaultExceptionLevelMap() as $class => $level) {
            if (!isset($this->uncaughtExceptionLevelMap[$class])) {
                $this->uncaughtExceptionLevelMap[$class] = $level;
            }
        }
        if ($callPrevious && $prev) {
            $this->previousExceptionHandler = $prev;
        }

        return $this;
    }

    /**
     * @param  array<int, LogLevel::*> $levelMap an array of E_* constant to LogLevel::* constant mapping
     * @return $this
     */
    public function registerErrorHandler(array $levelMap = [], bool $callPrevious = true, int $errorTypes = -1, bool $handleOnlyReportedErrors = true): self
    {
        $prev = set_error_handler([$this, 'handleError'], $errorTypes);
        $this->errorLevelMap = array_replace($this->defaultErrorLevelMap(), $levelMap);
        if ($callPrevious) {
            $this->previousErrorHandler = $prev ?: true;
        } else {
            $this->previousErrorHandler = null;
        }

        $this->handleOnlyReportedErrors = $handleOnlyReportedErrors;

        return $this;
    }

    /**
     * @param LogLevel::*|null $level              a LogLevel::* constant, null to use the default LogLevel::ALERT
     * @param int              $reservedMemorySize Amount of KBs to reserve in memory so that it can be freed when handling fatal errors giving Monolog some room in memory to get its job done
     */
    public function registerFatalHandler($level = null, int $reservedMemorySize = 20): self
    {
        register_shutdown_function([$this, 'handleFatalError']);

        $this->reservedMemory = str_repeat(' ', 1024 * $reservedMemorySize);
        $this->fatalLevel = null === $level ? LogLevel::ALERT : $level;
        $this->hasFatalErrorHandler = true;

        return $this;
    }

    /**
     * @return array<class-string, LogLevel::*>
     */
    protected function defaultExceptionLevelMap(): array
    {
        return [
            'ParseError' => LogLevel::CRITICAL,
            'Throwable' => LogLevel::ERROR,
        ];
    }

    /**
     * @return array<int, LogLevel::*>
     */
    protected function defaultErrorLevelMap(): array
    {
        return [
            E_ERROR             => LogLevel::CRITICAL,
            E_WARNING           => LogLevel::WARNING,
            E_PARSE             => LogLevel::ALERT,
            E_NOTICE            => LogLevel::NOTICE,
            E_CORE_ERROR        => LogLevel::CRITICAL,
            E_CORE_WARNING      => LogLevel::WARNING,
            E_COMPILE_ERROR     => LogLevel::ALERT,
            E_COMPILE_WARNING   => LogLevel::WARNING,
            E_USER_ERROR        => LogLevel::ERROR,
            E_USER_WARNING      => LogLevel::WARNING,
            E_USER_NOTICE       => LogLevel::NOTICE,
            E_STRICT            => LogLevel::NOTICE,
            E_RECOVERABLE_ERROR => LogLevel::ERROR,
            E_DEPRECATED        => LogLevel::NOTICE,
            E_USER_DEPRECATED   => LogLevel::NOTICE,
        ];
    }

    /**
     * @phpstan-return never
     */
    private function handleException(\Throwable $e): void
    {
        $level = LogLevel::ERROR;
        foreach ($this->uncaughtExceptionLevelMap as $class => $candidate) {
            if ($e instanceof $class) {
                $level = $candidate;
                break;
            }
        }

        $this->logger->log(
            $level,
            sprintf('Uncaught Exception %s: "%s" at %s line %s', Utils::getClass($e), $e->getMessage(), $e->getFile(), $e->getLine()),
            ['exception' => $e]
        );

        if ($this->previousExceptionHandler) {
            ($this->previousExceptionHandler)($e);
        }

        if (!headers_sent() && !ini_get('display_errors')) {
            http_response_code(500);
        }

        exit(255);
    }

    /**
     * @private
     *
     * @param mixed[] $context
     */
    public function handleError(int $code, string $message, string $file = '', int $line = 0, ?array $context = []): bool
    {
        if ($this->handleOnlyReportedErrors && !(error_reporting() & $code)) {
            return false;
        }

        // fatal error codes are ignored if a fatal error handler is present as well to avoid duplicate log entries
        if (!$this->hasFatalErrorHandler || !in_array($code, self::$fatalErrors, true)) {
            $level = $this->errorLevelMap[$code] ?? LogLevel::CRITICAL;
            $this->logger->log($level, self::codeToString($code).': '.$message, ['code' => $code, 'message' => $message, 'file' => $file, 'line' => $line]);
        } else {
            $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
            array_shift($trace); // Exclude handleError from trace
            $this->lastFatalTrace = $trace;
        }

        if ($this->previousErrorHandler === true) {
            return false;
        } elseif ($this->previousErrorHandler) {
            return (bool) ($this->previousErrorHandler)($code, $message, $file, $line, $context);
        }

        return true;
    }

    /**
     * @private
     */
    public function handleFatalError(): void
    {
        $this->reservedMemory = '';

        $lastError = error_get_last();
        if ($lastError && in_array($lastError['type'], self::$fatalErrors, true)) {
            $this->logger->log(
                $this->fatalLevel,
                'Fatal Error ('.self::codeToString($lastError['type']).'): '.$lastError['message'],
                ['code' => $lastError['type'], 'message' => $lastError['message'], 'file' => $lastError['file'], 'line' => $lastError['line'], 'trace' => $this->lastFatalTrace]
            );

            if ($this->logger instanceof Logger) {
                foreach ($this->logger->getHandlers() as $handler) {
                    $handler->close();
                }
            }
        }
    }

    /**
     * @param int $code
     */
    private static function codeToString($code): string
    {
        switch ($code) {
            case E_ERROR:
                return 'E_ERROR';
            case E_WARNING:
                return 'E_WARNING';
            case E_PARSE:
                return 'E_PARSE';
            case E_NOTICE:
                return 'E_NOTICE';
            case E_CORE_ERROR:
                return 'E_CORE_ERROR';
            case E_CORE_WARNING:
                return 'E_CORE_WARNING';
            case E_COMPILE_ERROR:
                return 'E_COMPILE_ERROR';
            case E_COMPILE_WARNING:
                return 'E_COMPILE_WARNING';
            case E_USER_ERROR:
                return 'E_USER_ERROR';
            case E_USER_WARNING:
                return 'E_USER_WARNING';
            case E_USER_NOTICE:
                return 'E_USER_NOTICE';
            case E_STRICT:
                return 'E_STRICT';
            case E_RECOVERABLE_ERROR:
                return 'E_RECOVERABLE_ERROR';
            case E_DEPRECATED:
                return 'E_DEPRECATED';
            case E_USER_DEPRECATED:
                return 'E_USER_DEPRECATED';
        }

        return 'Unknown PHP error';
    }
}
PK     °ˆU]áŠ€x  x  B  vendor/monolog/monolog/src/Monolog/Handler/SyslogUdp/UdpSocket.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\SyslogUdp;

use Monolog\Utils;
use Socket;

class UdpSocket
{
    protected const DATAGRAM_MAX_LENGTH = 65023;

    /** @var string */
    protected $ip;
    /** @var int */
    protected $port;
    /** @var resource|Socket|null */
    protected $socket = null;

    public function __construct(string $ip, int $port = 514)
    {
        $this->ip = $ip;
        $this->port = $port;
    }

    /**
     * @param  string $line
     * @param  string $header
     * @return void
     */
    public function write($line, $header = "")
    {
        $this->send($this->assembleMessage($line, $header));
    }

    public function close(): void
    {
        if (is_resource($this->socket) || $this->socket instanceof Socket) {
            socket_close($this->socket);
            $this->socket = null;
        }
    }

    /**
     * @return resource|Socket
     */
    protected function getSocket()
    {
        if (null !== $this->socket) {
            return $this->socket;
        }

        $domain = AF_INET;
        $protocol = SOL_UDP;
        // Check if we are using unix sockets.
        if ($this->port === 0) {
            $domain = AF_UNIX;
            $protocol = IPPROTO_IP;
        }

        $this->socket = socket_create($domain, SOCK_DGRAM, $protocol) ?: null;
        if (null === $this->socket) {
            throw new \RuntimeException('The UdpSocket to '.$this->ip.':'.$this->port.' could not be opened via socket_create');
        }

        return $this->socket;
    }

    protected function send(string $chunk): void
    {
        socket_sendto($this->getSocket(), $chunk, strlen($chunk), $flags = 0, $this->ip, $this->port);
    }

    protected function assembleMessage(string $line, string $header): string
    {
        $chunkSize = static::DATAGRAM_MAX_LENGTH - strlen($header);

        return $header . Utils::substr($line, 0, $chunkSize);
    }
}
PK     °ˆU]¿'è(  è(  @  vendor/monolog/monolog/src/Monolog/Handler/PHPConsoleHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\LineFormatter;
use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;
use Monolog\Utils;
use PhpConsole\Connector;
use PhpConsole\Handler as VendorPhpConsoleHandler;
use PhpConsole\Helper;

/**
 * Monolog handler for Google Chrome extension "PHP Console"
 *
 * Display PHP error/debug log messages in Google Chrome console and notification popups, executes PHP code remotely
 *
 * Usage:
 * 1. Install Google Chrome extension https://chrome.google.com/webstore/detail/php-console/nfhmhhlpfleoednkpnnnkolmclajemef
 * 2. See overview https://github.com/barbushin/php-console#overview
 * 3. Install PHP Console library https://github.com/barbushin/php-console#installation
 * 4. Example (result will looks like http://i.hizliresim.com/vg3Pz4.png)
 *
 *      $logger = new \Monolog\Logger('all', array(new \Monolog\Handler\PHPConsoleHandler()));
 *      \Monolog\ErrorHandler::register($logger);
 *      echo $undefinedVar;
 *      $logger->debug('SELECT * FROM users', array('db', 'time' => 0.012));
 *      PC::debug($_SERVER); // PHP Console debugger for any type of vars
 *
 * @author Sergey Barbushin https://www.linkedin.com/in/barbushin
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class PHPConsoleHandler extends AbstractProcessingHandler
{
    /** @var array<string, mixed> */
    private $options = [
        'enabled' => true, // bool Is PHP Console server enabled
        'classesPartialsTraceIgnore' => ['Monolog\\'], // array Hide calls of classes started with...
        'debugTagsKeysInContext' => [0, 'tag'], // bool Is PHP Console server enabled
        'useOwnErrorsHandler' => false, // bool Enable errors handling
        'useOwnExceptionsHandler' => false, // bool Enable exceptions handling
        'sourcesBasePath' => null, // string Base path of all project sources to strip in errors source paths
        'registerHelper' => true, // bool Register PhpConsole\Helper that allows short debug calls like PC::debug($var, 'ta.g.s')
        'serverEncoding' => null, // string|null Server internal encoding
        'headersLimit' => null, // int|null Set headers size limit for your web-server
        'password' => null, // string|null Protect PHP Console connection by password
        'enableSslOnlyMode' => false, // bool Force connection by SSL for clients with PHP Console installed
        'ipMasks' => [], // array Set IP masks of clients that will be allowed to connect to PHP Console: array('192.168.*.*', '127.0.0.1')
        'enableEvalListener' => false, // bool Enable eval request to be handled by eval dispatcher(if enabled, 'password' option is also required)
        'dumperDetectCallbacks' => false, // bool Convert callback items in dumper vars to (callback SomeClass::someMethod) strings
        'dumperLevelLimit' => 5, // int Maximum dumped vars array or object nested dump level
        'dumperItemsCountLimit' => 100, // int Maximum dumped var same level array items or object properties number
        'dumperItemSizeLimit' => 5000, // int Maximum length of any string or dumped array item
        'dumperDumpSizeLimit' => 500000, // int Maximum approximate size of dumped vars result formatted in JSON
        'detectDumpTraceAndSource' => false, // bool Autodetect and append trace data to debug
        'dataStorage' => null, // \PhpConsole\Storage|null Fixes problem with custom $_SESSION handler(see http://goo.gl/Ne8juJ)
    ];

    /** @var Connector */
    private $connector;

    /**
     * @param  array<string, mixed> $options   See \Monolog\Handler\PHPConsoleHandler::$options for more details
     * @param  Connector|null       $connector Instance of \PhpConsole\Connector class (optional)
     * @throws \RuntimeException
     */
    public function __construct(array $options = [], ?Connector $connector = null, $level = Logger::DEBUG, bool $bubble = true)
    {
        if (!class_exists('PhpConsole\Connector')) {
            throw new \RuntimeException('PHP Console library not found. See https://github.com/barbushin/php-console#installation');
        }
        parent::__construct($level, $bubble);
        $this->options = $this->initOptions($options);
        $this->connector = $this->initConnector($connector);
    }

    /**
     * @param array<string, mixed> $options
     *
     * @return array<string, mixed>
     */
    private function initOptions(array $options): array
    {
        $wrongOptions = array_diff(array_keys($options), array_keys($this->options));
        if ($wrongOptions) {
            throw new \RuntimeException('Unknown options: ' . implode(', ', $wrongOptions));
        }

        return array_replace($this->options, $options);
    }

    private function initConnector(?Connector $connector = null): Connector
    {
        if (!$connector) {
            if ($this->options['dataStorage']) {
                Connector::setPostponeStorage($this->options['dataStorage']);
            }
            $connector = Connector::getInstance();
        }

        if ($this->options['registerHelper'] && !Helper::isRegistered()) {
            Helper::register();
        }

        if ($this->options['enabled'] && $connector->isActiveClient()) {
            if ($this->options['useOwnErrorsHandler'] || $this->options['useOwnExceptionsHandler']) {
                $handler = VendorPhpConsoleHandler::getInstance();
                $handler->setHandleErrors($this->options['useOwnErrorsHandler']);
                $handler->setHandleExceptions($this->options['useOwnExceptionsHandler']);
                $handler->start();
            }
            if ($this->options['sourcesBasePath']) {
                $connector->setSourcesBasePath($this->options['sourcesBasePath']);
            }
            if ($this->options['serverEncoding']) {
                $connector->setServerEncoding($this->options['serverEncoding']);
            }
            if ($this->options['password']) {
                $connector->setPassword($this->options['password']);
            }
            if ($this->options['enableSslOnlyMode']) {
                $connector->enableSslOnlyMode();
            }
            if ($this->options['ipMasks']) {
                $connector->setAllowedIpMasks($this->options['ipMasks']);
            }
            if ($this->options['headersLimit']) {
                $connector->setHeadersLimit($this->options['headersLimit']);
            }
            if ($this->options['detectDumpTraceAndSource']) {
                $connector->getDebugDispatcher()->detectTraceAndSource = true;
            }
            $dumper = $connector->getDumper();
            $dumper->levelLimit = $this->options['dumperLevelLimit'];
            $dumper->itemsCountLimit = $this->options['dumperItemsCountLimit'];
            $dumper->itemSizeLimit = $this->options['dumperItemSizeLimit'];
            $dumper->dumpSizeLimit = $this->options['dumperDumpSizeLimit'];
            $dumper->detectCallbacks = $this->options['dumperDetectCallbacks'];
            if ($this->options['enableEvalListener']) {
                $connector->startEvalRequestsListener();
            }
        }

        return $connector;
    }

    public function getConnector(): Connector
    {
        return $this->connector;
    }

    /**
     * @return array<string, mixed>
     */
    public function getOptions(): array
    {
        return $this->options;
    }

    public function handle(array $record): bool
    {
        if ($this->options['enabled'] && $this->connector->isActiveClient()) {
            return parent::handle($record);
        }

        return !$this->bubble;
    }

    /**
     * Writes the record down to the log of the implementing handler
     */
    protected function write(array $record): void
    {
        if ($record['level'] < Logger::NOTICE) {
            $this->handleDebugRecord($record);
        } elseif (isset($record['context']['exception']) && $record['context']['exception'] instanceof \Throwable) {
            $this->handleExceptionRecord($record);
        } else {
            $this->handleErrorRecord($record);
        }
    }

    /**
     * @phpstan-param Record $record
     */
    private function handleDebugRecord(array $record): void
    {
        $tags = $this->getRecordTags($record);
        $message = $record['message'];
        if ($record['context']) {
            $message .= ' ' . Utils::jsonEncode($this->connector->getDumper()->dump(array_filter($record['context'])), null, true);
        }
        $this->connector->getDebugDispatcher()->dispatchDebug($message, $tags, $this->options['classesPartialsTraceIgnore']);
    }

    /**
     * @phpstan-param Record $record
     */
    private function handleExceptionRecord(array $record): void
    {
        $this->connector->getErrorsDispatcher()->dispatchException($record['context']['exception']);
    }

    /**
     * @phpstan-param Record $record
     */
    private function handleErrorRecord(array $record): void
    {
        $context = $record['context'];

        $this->connector->getErrorsDispatcher()->dispatchError(
            $context['code'] ?? null,
            $context['message'] ?? $record['message'],
            $context['file'] ?? null,
            $context['line'] ?? null,
            $this->options['classesPartialsTraceIgnore']
        );
    }

    /**
     * @phpstan-param Record $record
     * @return string
     */
    private function getRecordTags(array &$record)
    {
        $tags = null;
        if (!empty($record['context'])) {
            $context = & $record['context'];
            foreach ($this->options['debugTagsKeysInContext'] as $key) {
                if (!empty($context[$key])) {
                    $tags = $context[$key];
                    if ($key === 0) {
                        array_shift($context);
                    } else {
                        unset($context[$key]);
                    }
                    break;
                }
            }
        }

        return $tags ?: strtolower($record['level_name']);
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter('%message%');
    }
}
PK     °ˆU]îÛ6öØ  Ø  ?  vendor/monolog/monolog/src/Monolog/Handler/HandlerInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * Interface that all Monolog Handlers must implement
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 */
interface HandlerInterface
{
    /**
     * Checks whether the given record will be handled by this handler.
     *
     * This is mostly done for performance reasons, to avoid calling processors for nothing.
     *
     * Handlers should still check the record levels within handle(), returning false in isHandling()
     * is no guarantee that handle() will not be called, and isHandling() might not be called
     * for a given record.
     *
     * @param array $record Partial log record containing only a level key
     *
     * @return bool
     *
     * @phpstan-param array{level: Level} $record
     */
    public function isHandling(array $record): bool;

    /**
     * Handles a record.
     *
     * All records may be passed to this method, and the handler should discard
     * those that it does not want to handle.
     *
     * The return value of this function controls the bubbling process of the handler stack.
     * Unless the bubbling is interrupted (by returning true), the Logger class will keep on
     * calling further handlers in the stack with a given log record.
     *
     * @param  array $record The record to handle
     * @return bool  true means that this handler handled the record, and that bubbling is not permitted.
     *                      false means the record was either not processed or that this handler allows bubbling.
     *
     * @phpstan-param Record $record
     */
    public function handle(array $record): bool;

    /**
     * Handles a set of records at once.
     *
     * @param array $records The records to handle (an array of record arrays)
     *
     * @phpstan-param Record[] $records
     */
    public function handleBatch(array $records): void;

    /**
     * Closes the handler.
     *
     * Ends a log cycle and frees all resources used by the handler.
     *
     * Closing a Handler means flushing all buffers and freeing any open resources/handles.
     *
     * Implementations have to be idempotent (i.e. it should be possible to call close several times without breakage)
     * and ideally handlers should be able to reopen themselves on handle() after they have been closed.
     *
     * This is useful at the end of a request and will be called automatically when the object
     * is destroyed if you extend Monolog\Handler\Handler.
     *
     * If you are thinking of calling this method yourself, most likely you should be
     * calling ResettableInterface::reset instead. Have a look.
     */
    public function close(): void;
}
PK     °ˆU]§Y,„T  T  =  vendor/monolog/monolog/src/Monolog/Handler/RollbarHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Rollbar\RollbarLogger;
use Throwable;
use Monolog\Logger;

/**
 * Sends errors to Rollbar
 *
 * If the context data contains a `payload` key, that is used as an array
 * of payload options to RollbarLogger's log method.
 *
 * Rollbar's context info will contain the context + extra keys from the log record
 * merged, and then on top of that a few keys:
 *
 *  - level (rollbar level name)
 *  - monolog_level (monolog level name, raw level, as rollbar only has 5 but monolog 8)
 *  - channel
 *  - datetime (unix timestamp)
 *
 * @author Paul Statezny <paulstatezny@gmail.com>
 */
class RollbarHandler extends AbstractProcessingHandler
{
    /**
     * @var RollbarLogger
     */
    protected $rollbarLogger;

    /** @var string[] */
    protected $levelMap = [
        Logger::DEBUG     => 'debug',
        Logger::INFO      => 'info',
        Logger::NOTICE    => 'info',
        Logger::WARNING   => 'warning',
        Logger::ERROR     => 'error',
        Logger::CRITICAL  => 'critical',
        Logger::ALERT     => 'critical',
        Logger::EMERGENCY => 'critical',
    ];

    /**
     * Records whether any log records have been added since the last flush of the rollbar notifier
     *
     * @var bool
     */
    private $hasRecords = false;

    /** @var bool */
    protected $initialized = false;

    /**
     * @param RollbarLogger $rollbarLogger RollbarLogger object constructed with valid token
     */
    public function __construct(RollbarLogger $rollbarLogger, $level = Logger::ERROR, bool $bubble = true)
    {
        $this->rollbarLogger = $rollbarLogger;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!$this->initialized) {
            // __destructor() doesn't get called on Fatal errors
            register_shutdown_function(array($this, 'close'));
            $this->initialized = true;
        }

        $context = $record['context'];
        $context = array_merge($context, $record['extra'], [
            'level' => $this->levelMap[$record['level']],
            'monolog_level' => $record['level_name'],
            'channel' => $record['channel'],
            'datetime' => $record['datetime']->format('U'),
        ]);

        if (isset($context['exception']) && $context['exception'] instanceof Throwable) {
            $exception = $context['exception'];
            unset($context['exception']);
            $toLog = $exception;
        } else {
            $toLog = $record['message'];
        }

        // @phpstan-ignore-next-line
        $this->rollbarLogger->log($context['level'], $toLog, $context);

        $this->hasRecords = true;
    }

    public function flush(): void
    {
        if ($this->hasRecords) {
            $this->rollbarLogger->flush();
            $this->hasRecords = false;
        }
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        $this->flush();
    }

    /**
     * {@inheritDoc}
     */
    public function reset()
    {
        $this->flush();

        parent::reset();
    }
}
PK     °ˆU]HÄÁ7©	  ©	  >  vendor/monolog/monolog/src/Monolog/Handler/MandrillHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Swift;
use Swift_Message;

/**
 * MandrillHandler uses cURL to send the emails to the Mandrill API
 *
 * @author Adam Nicholson <adamnicholson10@gmail.com>
 */
class MandrillHandler extends MailHandler
{
    /** @var Swift_Message */
    protected $message;
    /** @var string */
    protected $apiKey;

    /**
     * @psalm-param Swift_Message|callable(): Swift_Message $message
     *
     * @param string                 $apiKey  A valid Mandrill API key
     * @param callable|Swift_Message $message An example message for real messages, only the body will be replaced
     */
    public function __construct(string $apiKey, $message, $level = Logger::ERROR, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        if (!$message instanceof Swift_Message && is_callable($message)) {
            $message = $message();
        }
        if (!$message instanceof Swift_Message) {
            throw new \InvalidArgumentException('You must provide either a Swift_Message instance or a callable returning it');
        }
        $this->message = $message;
        $this->apiKey = $apiKey;
    }

    /**
     * {@inheritDoc}
     */
    protected function send(string $content, array $records): void
    {
        $mime = 'text/plain';
        if ($this->isHtmlBody($content)) {
            $mime = 'text/html';
        }

        $message = clone $this->message;
        $message->setBody($content, $mime);
        /** @phpstan-ignore-next-line */
        if (version_compare(Swift::VERSION, '6.0.0', '>=')) {
            $message->setDate(new \DateTimeImmutable());
        } else {
            /** @phpstan-ignore-next-line */
            $message->setDate(time());
        }

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, 'https://mandrillapp.com/api/1.0/messages/send-raw.json');
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
            'key' => $this->apiKey,
            'raw_message' => (string) $message,
            'async' => false,
        ]));

        Curl\Util::execute($ch);
    }
}
PK     °ˆU]$sM¢7  7  >  vendor/monolog/monolog/src/Monolog/Handler/SendGridHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;

/**
 * SendGridrHandler uses the SendGrid API v2 function to send Log emails, more information in https://sendgrid.com/docs/API_Reference/Web_API/mail.html
 *
 * @author Ricardo Fontanelli <ricardo.fontanelli@hotmail.com>
 */
class SendGridHandler extends MailHandler
{
    /**
     * The SendGrid API User
     * @var string
     */
    protected $apiUser;

    /**
     * The SendGrid API Key
     * @var string
     */
    protected $apiKey;

    /**
     * The email addresses to which the message will be sent
     * @var string
     */
    protected $from;

    /**
     * The email addresses to which the message will be sent
     * @var string[]
     */
    protected $to;

    /**
     * The subject of the email
     * @var string
     */
    protected $subject;

    /**
     * @param string          $apiUser The SendGrid API User
     * @param string          $apiKey  The SendGrid API Key
     * @param string          $from    The sender of the email
     * @param string|string[] $to      The recipients of the email
     * @param string          $subject The subject of the mail
     */
    public function __construct(string $apiUser, string $apiKey, string $from, $to, string $subject, $level = Logger::ERROR, bool $bubble = true)
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the SendGridHandler');
        }

        parent::__construct($level, $bubble);
        $this->apiUser = $apiUser;
        $this->apiKey = $apiKey;
        $this->from = $from;
        $this->to = (array) $to;
        $this->subject = $subject;
    }

    /**
     * {@inheritDoc}
     */
    protected function send(string $content, array $records): void
    {
        $message = [];
        $message['api_user'] = $this->apiUser;
        $message['api_key'] = $this->apiKey;
        $message['from'] = $this->from;
        foreach ($this->to as $recipient) {
            $message['to[]'] = $recipient;
        }
        $message['subject'] = $this->subject;
        $message['date'] = date('r');

        if ($this->isHtmlBody($content)) {
            $message['html'] = $content;
        } else {
            $message['text'] = $content;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, 'https://api.sendgrid.com/api/mail.send.json');
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($message));
        Curl\Util::execute($ch, 2);
    }
}
PK     ±ˆU]+¨ÿ±!  !  D  vendor/monolog/monolog/src/Monolog/Handler/FingersCrossedHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Handler\FingersCrossed\ErrorLevelActivationStrategy;
use Monolog\Handler\FingersCrossed\ActivationStrategyInterface;
use Monolog\Logger;
use Monolog\ResettableInterface;
use Monolog\Formatter\FormatterInterface;
use Psr\Log\LogLevel;

/**
 * Buffers all records until a certain level is reached
 *
 * The advantage of this approach is that you don't get any clutter in your log files.
 * Only requests which actually trigger an error (or whatever your actionLevel is) will be
 * in the logs, but they will contain all records, not only those above the level threshold.
 *
 * You can then have a passthruLevel as well which means that at the end of the request,
 * even if it did not get activated, it will still send through log records of e.g. at least a
 * warning level.
 *
 * You can find the various activation strategies in the
 * Monolog\Handler\FingersCrossed\ namespace.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class FingersCrossedHandler extends Handler implements ProcessableHandlerInterface, ResettableInterface, FormattableHandlerInterface
{
    use ProcessableHandlerTrait;

    /**
     * @var callable|HandlerInterface
     * @phpstan-var callable(?Record, HandlerInterface): HandlerInterface|HandlerInterface
     */
    protected $handler;
    /** @var ActivationStrategyInterface */
    protected $activationStrategy;
    /** @var bool */
    protected $buffering = true;
    /** @var int */
    protected $bufferSize;
    /** @var Record[] */
    protected $buffer = [];
    /** @var bool */
    protected $stopBuffering;
    /**
     * @var ?int
     * @phpstan-var ?Level
     */
    protected $passthruLevel;
    /** @var bool */
    protected $bubble;

    /**
     * @psalm-param HandlerInterface|callable(?Record, HandlerInterface): HandlerInterface $handler
     *
     * @param callable|HandlerInterface              $handler            Handler or factory callable($record|null, $fingersCrossedHandler).
     * @param int|string|ActivationStrategyInterface $activationStrategy Strategy which determines when this handler takes action, or a level name/value at which the handler is activated
     * @param int                                    $bufferSize         How many entries should be buffered at most, beyond that the oldest items are removed from the buffer.
     * @param bool                                   $bubble             Whether the messages that are handled can bubble up the stack or not
     * @param bool                                   $stopBuffering      Whether the handler should stop buffering after being triggered (default true)
     * @param int|string                             $passthruLevel      Minimum level to always flush to handler on close, even if strategy not triggered
     *
     * @phpstan-param Level|LevelName|LogLevel::* $passthruLevel
     * @phpstan-param Level|LevelName|LogLevel::*|ActivationStrategyInterface $activationStrategy
     */
    public function __construct($handler, $activationStrategy = null, int $bufferSize = 0, bool $bubble = true, bool $stopBuffering = true, $passthruLevel = null)
    {
        if (null === $activationStrategy) {
            $activationStrategy = new ErrorLevelActivationStrategy(Logger::WARNING);
        }

        // convert simple int activationStrategy to an object
        if (!$activationStrategy instanceof ActivationStrategyInterface) {
            $activationStrategy = new ErrorLevelActivationStrategy($activationStrategy);
        }

        $this->handler = $handler;
        $this->activationStrategy = $activationStrategy;
        $this->bufferSize = $bufferSize;
        $this->bubble = $bubble;
        $this->stopBuffering = $stopBuffering;

        if ($passthruLevel !== null) {
            $this->passthruLevel = Logger::toMonologLevel($passthruLevel);
        }

        if (!$this->handler instanceof HandlerInterface && !is_callable($this->handler)) {
            throw new \RuntimeException("The given handler (".json_encode($this->handler).") is not a callable nor a Monolog\Handler\HandlerInterface object");
        }
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return true;
    }

    /**
     * Manually activate this logger regardless of the activation strategy
     */
    public function activate(): void
    {
        if ($this->stopBuffering) {
            $this->buffering = false;
        }

        $this->getHandler(end($this->buffer) ?: null)->handleBatch($this->buffer);
        $this->buffer = [];
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        if ($this->buffering) {
            $this->buffer[] = $record;
            if ($this->bufferSize > 0 && count($this->buffer) > $this->bufferSize) {
                array_shift($this->buffer);
            }
            if ($this->activationStrategy->isHandlerActivated($record)) {
                $this->activate();
            }
        } else {
            $this->getHandler($record)->handle($record);
        }

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        $this->flushBuffer();

        $this->getHandler()->close();
    }

    public function reset()
    {
        $this->flushBuffer();

        $this->resetProcessors();

        if ($this->getHandler() instanceof ResettableInterface) {
            $this->getHandler()->reset();
        }
    }

    /**
     * Clears the buffer without flushing any messages down to the wrapped handler.
     *
     * It also resets the handler to its initial buffering state.
     */
    public function clear(): void
    {
        $this->buffer = [];
        $this->reset();
    }

    /**
     * Resets the state of the handler. Stops forwarding records to the wrapped handler.
     */
    private function flushBuffer(): void
    {
        if (null !== $this->passthruLevel) {
            $level = $this->passthruLevel;
            $this->buffer = array_filter($this->buffer, function ($record) use ($level) {
                return $record['level'] >= $level;
            });
            if (count($this->buffer) > 0) {
                $this->getHandler(end($this->buffer))->handleBatch($this->buffer);
            }
        }

        $this->buffer = [];
        $this->buffering = true;
    }

    /**
     * Return the nested handler
     *
     * If the handler was provided as a factory callable, this will trigger the handler's instantiation.
     *
     * @return HandlerInterface
     *
     * @phpstan-param Record $record
     */
    public function getHandler(array $record = null)
    {
        if (!$this->handler instanceof HandlerInterface) {
            $this->handler = ($this->handler)($record, $this);
            if (!$this->handler instanceof HandlerInterface) {
                throw new \RuntimeException("The factory callable should return a HandlerInterface");
            }
        }

        return $this->handler;
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            $handler->setFormatter($formatter);

            return $this;
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            return $handler->getFormatter();
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }
}
PK     ±ˆU]�8
rU  U  A  vendor/monolog/monolog/src/Monolog/Handler/SwiftMailerHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Swift_Message;
use Swift;

/**
 * SwiftMailerHandler uses Swift_Mailer to send the emails
 *
 * @author Gyula Sallai
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @deprecated Since Monolog 2.6. Use SymfonyMailerHandler instead.
 */
class SwiftMailerHandler extends MailHandler
{
    /** @var \Swift_Mailer */
    protected $mailer;
    /** @var Swift_Message|callable(string, Record[]): Swift_Message */
    private $messageTemplate;

    /**
     * @psalm-param Swift_Message|callable(string, Record[]): Swift_Message $message
     *
     * @param \Swift_Mailer          $mailer  The mailer to use
     * @param callable|Swift_Message $message An example message for real messages, only the body will be replaced
     */
    public function __construct(\Swift_Mailer $mailer, $message, $level = Logger::ERROR, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        @trigger_error('The SwiftMailerHandler is deprecated since Monolog 2.6. Use SymfonyMailerHandler instead.', E_USER_DEPRECATED);

        $this->mailer = $mailer;
        $this->messageTemplate = $message;
    }

    /**
     * {@inheritDoc}
     */
    protected function send(string $content, array $records): void
    {
        $this->mailer->send($this->buildMessage($content, $records));
    }

    /**
     * Gets the formatter for the Swift_Message subject.
     *
     * @param string|null $format The format of the subject
     */
    protected function getSubjectFormatter(?string $format): FormatterInterface
    {
        return new LineFormatter($format);
    }

    /**
     * Creates instance of Swift_Message to be sent
     *
     * @param  string        $content formatted email body to be sent
     * @param  array         $records Log records that formed the content
     * @return Swift_Message
     *
     * @phpstan-param Record[] $records
     */
    protected function buildMessage(string $content, array $records): Swift_Message
    {
        $message = null;
        if ($this->messageTemplate instanceof Swift_Message) {
            $message = clone $this->messageTemplate;
            $message->generateId();
        } elseif (is_callable($this->messageTemplate)) {
            $message = ($this->messageTemplate)($content, $records);
        }

        if (!$message instanceof Swift_Message) {
            $record = reset($records);
            throw new \InvalidArgumentException('Could not resolve message as instance of Swift_Message or a callable returning it' . ($record ? Utils::getRecordMessageForException($record) : ''));
        }

        if ($records) {
            $subjectFormatter = $this->getSubjectFormatter($message->getSubject());
            $message->setSubject($subjectFormatter->format($this->getHighestRecord($records)));
        }

        $mime = 'text/plain';
        if ($this->isHtmlBody($content)) {
            $mime = 'text/html';
        }

        $message->setBody($content, $mime);
        /** @phpstan-ignore-next-line */
        if (version_compare(Swift::VERSION, '6.0.0', '>=')) {
            $message->setDate(new \DateTimeImmutable());
        } else {
            /** @phpstan-ignore-next-line */
            $message->setDate(time());
        }

        return $message;
    }
}
PK     ±ˆU]Bé­M  M  J  vendor/monolog/monolog/src/Monolog/Handler/FormattableHandlerInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;

/**
 * Interface to describe loggers that have a formatter
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
interface FormattableHandlerInterface
{
    /**
     * Sets the formatter.
     *
     * @param  FormatterInterface $formatter
     * @return HandlerInterface   self
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface;

    /**
     * Gets the formatter.
     *
     * @return FormatterInterface
     */
    public function getFormatter(): FormatterInterface;
}
PK     ±ˆU]@_©™²	  ²	  >  vendor/monolog/monolog/src/Monolog/Handler/DynamoDbHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Aws\Sdk;
use Aws\DynamoDb\DynamoDbClient;
use Monolog\Formatter\FormatterInterface;
use Aws\DynamoDb\Marshaler;
use Monolog\Formatter\ScalarFormatter;
use Monolog\Logger;

/**
 * Amazon DynamoDB handler (http://aws.amazon.com/dynamodb/)
 *
 * @link https://github.com/aws/aws-sdk-php/
 * @author Andrew Lawson <adlawson@gmail.com>
 */
class DynamoDbHandler extends AbstractProcessingHandler
{
    public const DATE_FORMAT = 'Y-m-d\TH:i:s.uO';

    /**
     * @var DynamoDbClient
     */
    protected $client;

    /**
     * @var string
     */
    protected $table;

    /**
     * @var int
     */
    protected $version;

    /**
     * @var Marshaler
     */
    protected $marshaler;

    public function __construct(DynamoDbClient $client, string $table, $level = Logger::DEBUG, bool $bubble = true)
    {
        /** @phpstan-ignore-next-line */
        if (defined('Aws\Sdk::VERSION') && version_compare(Sdk::VERSION, '3.0', '>=')) {
            $this->version = 3;
            $this->marshaler = new Marshaler;
        } else {
            $this->version = 2;
        }

        $this->client = $client;
        $this->table = $table;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $filtered = $this->filterEmptyFields($record['formatted']);
        if ($this->version === 3) {
            $formatted = $this->marshaler->marshalItem($filtered);
        } else {
            /** @phpstan-ignore-next-line */
            $formatted = $this->client->formatAttributes($filtered);
        }

        $this->client->putItem([
            'TableName' => $this->table,
            'Item' => $formatted,
        ]);
    }

    /**
     * @param  mixed[] $record
     * @return mixed[]
     */
    protected function filterEmptyFields(array $record): array
    {
        return array_filter($record, function ($value) {
            return !empty($value) || false === $value || 0 === $value;
        });
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new ScalarFormatter(self::DATE_FORMAT);
    }
}
PK     ±ˆU]Ü©�œ
  œ
  >  vendor/monolog/monolog/src/Monolog/Handler/LogmaticHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LogmaticFormatter;

/**
 * @author Julien Breux <julien.breux@gmail.com>
 */
class LogmaticHandler extends SocketHandler
{
    /**
     * @var string
     */
    private $logToken;

    /**
     * @var string
     */
    private $hostname;

    /**
     * @var string
     */
    private $appname;

    /**
     * @param string     $token    Log token supplied by Logmatic.
     * @param string     $hostname Host name supplied by Logmatic.
     * @param string     $appname  Application name supplied by Logmatic.
     * @param bool       $useSSL   Whether or not SSL encryption should be used.
     *
     * @throws MissingExtensionException If SSL encryption is set to true and OpenSSL is missing
     */
    public function __construct(
        string $token,
        string $hostname = '',
        string $appname = '',
        bool $useSSL = true,
        $level = Logger::DEBUG,
        bool $bubble = true,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if ($useSSL && !extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP extension is required to use SSL encrypted connection for LogmaticHandler');
        }

        $endpoint = $useSSL ? 'ssl://api.logmatic.io:10515' : 'api.logmatic.io:10514';
        $endpoint .= '/v1/';

        parent::__construct(
            $endpoint,
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );

        $this->logToken = $token;
        $this->hostname = $hostname;
        $this->appname  = $appname;
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        return $this->logToken . ' ' . $record['formatted'];
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        $formatter = new LogmaticFormatter();

        if (!empty($this->hostname)) {
            $formatter->setHostname($this->hostname);
        }
        if (!empty($this->appname)) {
            $formatter->setAppname($this->appname);
        }

        return $formatter;
    }
}
PK     ±ˆU]5?6îÔ  Ô  D  vendor/monolog/monolog/src/Monolog/Handler/AbstractSyslogHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;

/**
 * Common syslog functionality
 *
 * @phpstan-import-type Level from \Monolog\Logger
 */
abstract class AbstractSyslogHandler extends AbstractProcessingHandler
{
    /** @var int */
    protected $facility;

    /**
     * Translates Monolog log levels to syslog log priorities.
     * @var array
     * @phpstan-var array<Level, int>
     */
    protected $logLevels = [
        Logger::DEBUG     => LOG_DEBUG,
        Logger::INFO      => LOG_INFO,
        Logger::NOTICE    => LOG_NOTICE,
        Logger::WARNING   => LOG_WARNING,
        Logger::ERROR     => LOG_ERR,
        Logger::CRITICAL  => LOG_CRIT,
        Logger::ALERT     => LOG_ALERT,
        Logger::EMERGENCY => LOG_EMERG,
    ];

    /**
     * List of valid log facility names.
     * @var array<string, int>
     */
    protected $facilities = [
        'auth'     => LOG_AUTH,
        'authpriv' => LOG_AUTHPRIV,
        'cron'     => LOG_CRON,
        'daemon'   => LOG_DAEMON,
        'kern'     => LOG_KERN,
        'lpr'      => LOG_LPR,
        'mail'     => LOG_MAIL,
        'news'     => LOG_NEWS,
        'syslog'   => LOG_SYSLOG,
        'user'     => LOG_USER,
        'uucp'     => LOG_UUCP,
    ];

    /**
     * @param string|int $facility Either one of the names of the keys in $this->facilities, or a LOG_* facility constant
     */
    public function __construct($facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
            $this->facilities['local0'] = LOG_LOCAL0;
            $this->facilities['local1'] = LOG_LOCAL1;
            $this->facilities['local2'] = LOG_LOCAL2;
            $this->facilities['local3'] = LOG_LOCAL3;
            $this->facilities['local4'] = LOG_LOCAL4;
            $this->facilities['local5'] = LOG_LOCAL5;
            $this->facilities['local6'] = LOG_LOCAL6;
            $this->facilities['local7'] = LOG_LOCAL7;
        } else {
            $this->facilities['local0'] = 128; // LOG_LOCAL0
            $this->facilities['local1'] = 136; // LOG_LOCAL1
            $this->facilities['local2'] = 144; // LOG_LOCAL2
            $this->facilities['local3'] = 152; // LOG_LOCAL3
            $this->facilities['local4'] = 160; // LOG_LOCAL4
            $this->facilities['local5'] = 168; // LOG_LOCAL5
            $this->facilities['local6'] = 176; // LOG_LOCAL6
            $this->facilities['local7'] = 184; // LOG_LOCAL7
        }

        // convert textual description of facility to syslog constant
        if (is_string($facility) && array_key_exists(strtolower($facility), $this->facilities)) {
            $facility = $this->facilities[strtolower($facility)];
        } elseif (!in_array($facility, array_values($this->facilities), true)) {
            throw new \UnexpectedValueException('Unknown facility value "'.$facility.'" given');
        }

        $this->facility = $facility;
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter('%channel%.%level_name%: %message% %context% %extra%');
    }
}
PK     ±ˆU]>£²$  $  <  vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\ResettableInterface;
use Monolog\Formatter\FormatterInterface;

/**
 * Buffers all records until closing the handler and then pass them as batch.
 *
 * This is useful for a MailHandler to send only one mail per request instead of
 * sending one per log message.
 *
 * @author Christophe Coevoet <stof@notk.org>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class BufferHandler extends AbstractHandler implements ProcessableHandlerInterface, FormattableHandlerInterface
{
    use ProcessableHandlerTrait;

    /** @var HandlerInterface */
    protected $handler;
    /** @var int */
    protected $bufferSize = 0;
    /** @var int */
    protected $bufferLimit;
    /** @var bool */
    protected $flushOnOverflow;
    /** @var Record[] */
    protected $buffer = [];
    /** @var bool */
    protected $initialized = false;

    /**
     * @param HandlerInterface $handler         Handler.
     * @param int              $bufferLimit     How many entries should be buffered at most, beyond that the oldest items are removed from the buffer.
     * @param bool             $flushOnOverflow If true, the buffer is flushed when the max size has been reached, by default oldest entries are discarded
     */
    public function __construct(HandlerInterface $handler, int $bufferLimit = 0, $level = Logger::DEBUG, bool $bubble = true, bool $flushOnOverflow = false)
    {
        parent::__construct($level, $bubble);
        $this->handler = $handler;
        $this->bufferLimit = $bufferLimit;
        $this->flushOnOverflow = $flushOnOverflow;
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($record['level'] < $this->level) {
            return false;
        }

        if (!$this->initialized) {
            // __destructor() doesn't get called on Fatal errors
            register_shutdown_function([$this, 'close']);
            $this->initialized = true;
        }

        if ($this->bufferLimit > 0 && $this->bufferSize === $this->bufferLimit) {
            if ($this->flushOnOverflow) {
                $this->flush();
            } else {
                array_shift($this->buffer);
                $this->bufferSize--;
            }
        }

        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        $this->buffer[] = $record;
        $this->bufferSize++;

        return false === $this->bubble;
    }

    public function flush(): void
    {
        if ($this->bufferSize === 0) {
            return;
        }

        $this->handler->handleBatch($this->buffer);
        $this->clear();
    }

    public function __destruct()
    {
        // suppress the parent behavior since we already have register_shutdown_function()
        // to call close(), and the reference contained there will prevent this from being
        // GC'd until the end of the request
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        $this->flush();

        $this->handler->close();
    }

    /**
     * Clears the buffer without flushing any messages down to the wrapped handler.
     */
    public function clear(): void
    {
        $this->bufferSize = 0;
        $this->buffer = [];
    }

    public function reset()
    {
        $this->flush();

        parent::reset();

        $this->resetProcessors();

        if ($this->handler instanceof ResettableInterface) {
            $this->handler->reset();
        }
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            $this->handler->setFormatter($formatter);

            return $this;
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($this->handler).' does not support formatters.');
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            return $this->handler->getFormatter();
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($this->handler).' does not support formatters.');
    }
}
PK     ±ˆU]‘ág…  …  @  vendor/monolog/monolog/src/Monolog/Handler/LogEntriesHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;

/**
 * @author Robert Kaufmann III <rok3@rok3.me>
 */
class LogEntriesHandler extends SocketHandler
{
    /**
     * @var string
     */
    protected $logToken;

    /**
     * @param string     $token  Log token supplied by LogEntries
     * @param bool       $useSSL Whether or not SSL encryption should be used.
     * @param string     $host   Custom hostname to send the data to if needed
     *
     * @throws MissingExtensionException If SSL encryption is set to true and OpenSSL is missing
     */
    public function __construct(
        string $token,
        bool $useSSL = true,
        $level = Logger::DEBUG,
        bool $bubble = true,
        string $host = 'data.logentries.com',
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if ($useSSL && !extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP plugin is required to use SSL encrypted connection for LogEntriesHandler');
        }

        $endpoint = $useSSL ? 'ssl://' . $host . ':443' : $host . ':80';
        parent::__construct(
            $endpoint,
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );
        $this->logToken = $token;
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        return $this->logToken . ' ' . $record['formatted'];
    }
}
PK     ±ˆU]Vð„âá  á  C  vendor/monolog/monolog/src/Monolog/Handler/FallbackGroupHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Throwable;

/**
 * Forwards records to at most one handler
 *
 * If a handler fails, the exception is suppressed and the record is forwarded to the next handler.
 *
 * As soon as one handler handles a record successfully, the handling stops there.
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class FallbackGroupHandler extends GroupHandler
{
    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }
        foreach ($this->handlers as $handler) {
            try {
                $handler->handle($record);
                break;
            } catch (Throwable $e) {
                // What throwable?
            }
        }

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        if ($this->processors) {
            $processed = [];
            foreach ($records as $record) {
                $processed[] = $this->processRecord($record);
            }
            /** @var Record[] $records */
            $records = $processed;
        }

        foreach ($this->handlers as $handler) {
            try {
                $handler->handleBatch($records);
                break;
            } catch (Throwable $e) {
                // What throwable?
            }
        }
    }
}
PK     ±ˆU]Šyöì    H  vendor/monolog/monolog/src/Monolog/Handler/WebRequestRecognizerTrait.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

trait WebRequestRecognizerTrait
{
    /**
     * Checks if PHP's serving a web request
     * @return bool
     */
    protected function isWebRequest(): bool
    {
        return 'cli' !== \PHP_SAPI && 'phpdbg' !== \PHP_SAPI;
    }
}
PK     ²ˆU]´Yu_m  m  ?  vendor/monolog/monolog/src/Monolog/Handler/ChromePHPHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\ChromePHPFormatter;
use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Handler sending logs to the ChromePHP extension (http://www.chromephp.com/)
 *
 * This also works out of the box with Firefox 43+
 *
 * @author Christophe Coevoet <stof@notk.org>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class ChromePHPHandler extends AbstractProcessingHandler
{
    use WebRequestRecognizerTrait;

    /**
     * Version of the extension
     */
    protected const VERSION = '4.0';

    /**
     * Header name
     */
    protected const HEADER_NAME = 'X-ChromeLogger-Data';

    /**
     * Regular expression to detect supported browsers (matches any Chrome, or Firefox 43+)
     */
    protected const USER_AGENT_REGEX = '{\b(?:Chrome/\d+(?:\.\d+)*|HeadlessChrome|Firefox/(?:4[3-9]|[5-9]\d|\d{3,})(?:\.\d)*)\b}';

    /** @var bool */
    protected static $initialized = false;

    /**
     * Tracks whether we sent too much data
     *
     * Chrome limits the headers to 4KB, so when we sent 3KB we stop sending
     *
     * @var bool
     */
    protected static $overflowed = false;

    /** @var mixed[] */
    protected static $json = [
        'version' => self::VERSION,
        'columns' => ['label', 'log', 'backtrace', 'type'],
        'rows' => [],
    ];

    /** @var bool */
    protected static $sendHeaders = true;

    public function __construct($level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);
        if (!function_exists('json_encode')) {
            throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s ChromePHPHandler');
        }
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        if (!$this->isWebRequest()) {
            return;
        }

        $messages = [];

        foreach ($records as $record) {
            if ($record['level'] < $this->level) {
                continue;
            }
            /** @var Record $message */
            $message = $this->processRecord($record);
            $messages[] = $message;
        }

        if (!empty($messages)) {
            $messages = $this->getFormatter()->formatBatch($messages);
            self::$json['rows'] = array_merge(self::$json['rows'], $messages);
            $this->send();
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new ChromePHPFormatter();
    }

    /**
     * Creates & sends header for a record
     *
     * @see sendHeader()
     * @see send()
     */
    protected function write(array $record): void
    {
        if (!$this->isWebRequest()) {
            return;
        }

        self::$json['rows'][] = $record['formatted'];

        $this->send();
    }

    /**
     * Sends the log header
     *
     * @see sendHeader()
     */
    protected function send(): void
    {
        if (self::$overflowed || !self::$sendHeaders) {
            return;
        }

        if (!self::$initialized) {
            self::$initialized = true;

            self::$sendHeaders = $this->headersAccepted();
            if (!self::$sendHeaders) {
                return;
            }

            self::$json['request_uri'] = $_SERVER['REQUEST_URI'] ?? '';
        }

        $json = Utils::jsonEncode(self::$json, Utils::DEFAULT_JSON_FLAGS & ~JSON_UNESCAPED_UNICODE, true);
        $data = base64_encode(utf8_encode($json));
        if (strlen($data) > 3 * 1024) {
            self::$overflowed = true;

            $record = [
                'message' => 'Incomplete logs, chrome header size limit reached',
                'context' => [],
                'level' => Logger::WARNING,
                'level_name' => Logger::getLevelName(Logger::WARNING),
                'channel' => 'monolog',
                'datetime' => new \DateTimeImmutable(),
                'extra' => [],
            ];
            self::$json['rows'][count(self::$json['rows']) - 1] = $this->getFormatter()->format($record);
            $json = Utils::jsonEncode(self::$json, null, true);
            $data = base64_encode(utf8_encode($json));
        }

        if (trim($data) !== '') {
            $this->sendHeader(static::HEADER_NAME, $data);
        }
    }

    /**
     * Send header string to the client
     */
    protected function sendHeader(string $header, string $content): void
    {
        if (!headers_sent() && self::$sendHeaders) {
            header(sprintf('%s: %s', $header, $content));
        }
    }

    /**
     * Verifies if the headers are accepted by the current user agent
     */
    protected function headersAccepted(): bool
    {
        if (empty($_SERVER['HTTP_USER_AGENT'])) {
            return false;
        }

        return preg_match(static::USER_AGENT_REGEX, $_SERVER['HTTP_USER_AGENT']) === 1;
    }
}
PK     ²ˆU]ŠrE•s  s  <  vendor/monolog/monolog/src/Monolog/Handler/SyslogHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;

/**
 * Logs to syslog service.
 *
 * usage example:
 *
 *   $log = new Logger('application');
 *   $syslog = new SyslogHandler('myfacility', 'local6');
 *   $formatter = new LineFormatter("%channel%.%level_name%: %message% %extra%");
 *   $syslog->setFormatter($formatter);
 *   $log->pushHandler($syslog);
 *
 * @author Sven Paulus <sven@karlsruhe.org>
 */
class SyslogHandler extends AbstractSyslogHandler
{
    /** @var string */
    protected $ident;
    /** @var int */
    protected $logopts;

    /**
     * @param string     $ident
     * @param string|int $facility Either one of the names of the keys in $this->facilities, or a LOG_* facility constant
     * @param int        $logopts  Option flags for the openlog() call, defaults to LOG_PID
     */
    public function __construct(string $ident, $facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true, int $logopts = LOG_PID)
    {
        parent::__construct($facility, $level, $bubble);

        $this->ident = $ident;
        $this->logopts = $logopts;
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        closelog();
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!openlog($this->ident, $this->logopts, $this->facility)) {
            throw new \LogicException('Can\'t open syslog for ident "'.$this->ident.'" and facility "'.$this->facility.'"' . Utils::getRecordMessageForException($record));
        }
        syslog($this->logLevels[$record['level']], (string) $record['formatted']);
    }
}
PK     ²ˆU]–º>á¢  ¢  ;  vendor/monolog/monolog/src/Monolog/Handler/GroupHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\ResettableInterface;

/**
 * Forwards records to multiple handlers
 *
 * @author Lenar LÃµhmus <lenar@city.ee>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class GroupHandler extends Handler implements ProcessableHandlerInterface, ResettableInterface
{
    use ProcessableHandlerTrait;

    /** @var HandlerInterface[] */
    protected $handlers;
    /** @var bool */
    protected $bubble;

    /**
     * @param HandlerInterface[] $handlers Array of Handlers.
     * @param bool               $bubble   Whether the messages that are handled can bubble up the stack or not
     */
    public function __construct(array $handlers, bool $bubble = true)
    {
        foreach ($handlers as $handler) {
            if (!$handler instanceof HandlerInterface) {
                throw new \InvalidArgumentException('The first argument of the GroupHandler must be an array of HandlerInterface instances.');
            }
        }

        $this->handlers = $handlers;
        $this->bubble = $bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        foreach ($this->handlers as $handler) {
            if ($handler->isHandling($record)) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        foreach ($this->handlers as $handler) {
            $handler->handle($record);
        }

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        if ($this->processors) {
            $processed = [];
            foreach ($records as $record) {
                $processed[] = $this->processRecord($record);
            }
            /** @var Record[] $records */
            $records = $processed;
        }

        foreach ($this->handlers as $handler) {
            $handler->handleBatch($records);
        }
    }

    public function reset()
    {
        $this->resetProcessors();

        foreach ($this->handlers as $handler) {
            if ($handler instanceof ResettableInterface) {
                $handler->reset();
            }
        }
    }

    public function close(): void
    {
        parent::close();

        foreach ($this->handlers as $handler) {
            $handler->close();
        }
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        foreach ($this->handlers as $handler) {
            if ($handler instanceof FormattableHandlerInterface) {
                $handler->setFormatter($formatter);
            }
        }

        return $this;
    }
}
PK     ²ˆU]qäOÅV  V  B  vendor/monolog/monolog/src/Monolog/Handler/RotatingFileHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use InvalidArgumentException;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Stores logs to files that are rotated every day and a limited number of files are kept.
 *
 * This rotation is only intended to be used as a workaround. Using logrotate to
 * handle the rotation is strongly encouraged when you can use it.
 *
 * @author Christophe Coevoet <stof@notk.org>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class RotatingFileHandler extends StreamHandler
{
    public const FILE_PER_DAY = 'Y-m-d';
    public const FILE_PER_MONTH = 'Y-m';
    public const FILE_PER_YEAR = 'Y';

    /** @var string */
    protected $filename;
    /** @var int */
    protected $maxFiles;
    /** @var bool */
    protected $mustRotate;
    /** @var \DateTimeImmutable */
    protected $nextRotation;
    /** @var string */
    protected $filenameFormat;
    /** @var string */
    protected $dateFormat;

    /**
     * @param string     $filename
     * @param int        $maxFiles       The maximal amount of files to keep (0 means unlimited)
     * @param int|null   $filePermission Optional file permissions (default (0644) are only for owner read/write)
     * @param bool       $useLocking     Try to lock log file before doing any writes
     */
    public function __construct(string $filename, int $maxFiles = 0, $level = Logger::DEBUG, bool $bubble = true, ?int $filePermission = null, bool $useLocking = false)
    {
        $this->filename = Utils::canonicalizePath($filename);
        $this->maxFiles = $maxFiles;
        $this->nextRotation = new \DateTimeImmutable('tomorrow');
        $this->filenameFormat = '{filename}-{date}';
        $this->dateFormat = static::FILE_PER_DAY;

        parent::__construct($this->getTimedFilename(), $level, $bubble, $filePermission, $useLocking);
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        parent::close();

        if (true === $this->mustRotate) {
            $this->rotate();
        }
    }

    /**
     * {@inheritDoc}
     */
    public function reset()
    {
        parent::reset();

        if (true === $this->mustRotate) {
            $this->rotate();
        }
    }

    public function setFilenameFormat(string $filenameFormat, string $dateFormat): self
    {
        if (!preg_match('{^[Yy](([/_.-]?m)([/_.-]?d)?)?$}', $dateFormat)) {
            throw new InvalidArgumentException(
                'Invalid date format - format must be one of '.
                'RotatingFileHandler::FILE_PER_DAY ("Y-m-d"), RotatingFileHandler::FILE_PER_MONTH ("Y-m") '.
                'or RotatingFileHandler::FILE_PER_YEAR ("Y"), or you can set one of the '.
                'date formats using slashes, underscores and/or dots instead of dashes.'
            );
        }
        if (substr_count($filenameFormat, '{date}') === 0) {
            throw new InvalidArgumentException(
                'Invalid filename format - format must contain at least `{date}`, because otherwise rotating is impossible.'
            );
        }
        $this->filenameFormat = $filenameFormat;
        $this->dateFormat = $dateFormat;
        $this->url = $this->getTimedFilename();
        $this->close();

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        // on the first record written, if the log is new, we should rotate (once per day)
        if (null === $this->mustRotate) {
            $this->mustRotate = null === $this->url || !file_exists($this->url);
        }

        if ($this->nextRotation <= $record['datetime']) {
            $this->mustRotate = true;
            $this->close();
        }

        parent::write($record);
    }

    /**
     * Rotates the files.
     */
    protected function rotate(): void
    {
        // update filename
        $this->url = $this->getTimedFilename();
        $this->nextRotation = new \DateTimeImmutable('tomorrow');

        // skip GC of old logs if files are unlimited
        if (0 === $this->maxFiles) {
            return;
        }

        $logFiles = glob($this->getGlobPattern());
        if (false === $logFiles) {
            // failed to glob
            return;
        }

        if ($this->maxFiles >= count($logFiles)) {
            // no files to remove
            return;
        }

        // Sorting the files by name to remove the older ones
        usort($logFiles, function ($a, $b) {
            return strcmp($b, $a);
        });

        foreach (array_slice($logFiles, $this->maxFiles) as $file) {
            if (is_writable($file)) {
                // suppress errors here as unlink() might fail if two processes
                // are cleaning up/rotating at the same time
                set_error_handler(function (int $errno, string $errstr, string $errfile, int $errline): bool {
                    return false;
                });
                unlink($file);
                restore_error_handler();
            }
        }

        $this->mustRotate = false;
    }

    protected function getTimedFilename(): string
    {
        $fileInfo = pathinfo($this->filename);
        $timedFilename = str_replace(
            ['{filename}', '{date}'],
            [$fileInfo['filename'], date($this->dateFormat)],
            $fileInfo['dirname'] . '/' . $this->filenameFormat
        );

        if (isset($fileInfo['extension'])) {
            $timedFilename .= '.'.$fileInfo['extension'];
        }

        return $timedFilename;
    }

    protected function getGlobPattern(): string
    {
        $fileInfo = pathinfo($this->filename);
        $glob = str_replace(
            ['{filename}', '{date}'],
            [$fileInfo['filename'], '[0-9][0-9][0-9][0-9]*'],
            $fileInfo['dirname'] . '/' . $this->filenameFormat
        );
        if (isset($fileInfo['extension'])) {
            $glob .= '.'.$fileInfo['extension'];
        }

        return $glob;
    }
}
PK     ³ˆU]fºTo  o  C  vendor/monolog/monolog/src/Monolog/Handler/ElasticSearchHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Elastic\Elasticsearch\Response\Elasticsearch;
use Throwable;
use RuntimeException;
use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\ElasticsearchFormatter;
use InvalidArgumentException;
use Elasticsearch\Common\Exceptions\RuntimeException as ElasticsearchRuntimeException;
use Elasticsearch\Client;
use Elastic\Elasticsearch\Exception\InvalidArgumentException as ElasticInvalidArgumentException;
use Elastic\Elasticsearch\Client as Client8;

/**
 * Elasticsearch handler
 *
 * @link https://www.elastic.co/guide/en/elasticsearch/client/php-api/current/index.html
 *
 * Simple usage example:
 *
 *    $client = \Elasticsearch\ClientBuilder::create()
 *        ->setHosts($hosts)
 *        ->build();
 *
 *    $options = array(
 *        'index' => 'elastic_index_name',
 *        'type'  => 'elastic_doc_type',
 *    );
 *    $handler = new ElasticsearchHandler($client, $options);
 *    $log = new Logger('application');
 *    $log->pushHandler($handler);
 *
 * @author Avtandil Kikabidze <akalongman@gmail.com>
 */
class ElasticsearchHandler extends AbstractProcessingHandler
{
    /**
     * @var Client|Client8
     */
    protected $client;

    /**
     * @var mixed[] Handler config options
     */
    protected $options = [];

    /**
     * @var bool
     */
    private $needsType;

    /**
     * @param Client|Client8 $client  Elasticsearch Client object
     * @param mixed[]        $options Handler configuration
     */
    public function __construct($client, array $options = [], $level = Logger::DEBUG, bool $bubble = true)
    {
        if (!$client instanceof Client && !$client instanceof Client8) {
            throw new \TypeError('Elasticsearch\Client or Elastic\Elasticsearch\Client instance required');
        }

        parent::__construct($level, $bubble);
        $this->client = $client;
        $this->options = array_merge(
            [
                'index'        => 'monolog', // Elastic index name
                'type'         => '_doc',    // Elastic document type
                'ignore_error' => false,     // Suppress Elasticsearch exceptions
            ],
            $options
        );

        if ($client instanceof Client8 || $client::VERSION[0] === '7') {
            $this->needsType = false;
            // force the type to _doc for ES8/ES7
            $this->options['type'] = '_doc';
        } else {
            $this->needsType = true;
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->bulkSend([$record['formatted']]);
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($formatter instanceof ElasticsearchFormatter) {
            return parent::setFormatter($formatter);
        }

        throw new InvalidArgumentException('ElasticsearchHandler is only compatible with ElasticsearchFormatter');
    }

    /**
     * Getter options
     *
     * @return mixed[]
     */
    public function getOptions(): array
    {
        return $this->options;
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new ElasticsearchFormatter($this->options['index'], $this->options['type']);
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        $documents = $this->getFormatter()->formatBatch($records);
        $this->bulkSend($documents);
    }

    /**
     * Use Elasticsearch bulk API to send list of documents
     *
     * @param  array[]           $records Records + _index/_type keys
     * @throws \RuntimeException
     */
    protected function bulkSend(array $records): void
    {
        try {
            $params = [
                'body' => [],
            ];

            foreach ($records as $record) {
                $params['body'][] = [
                    'index' => $this->needsType ? [
                        '_index' => $record['_index'],
                        '_type'  => $record['_type'],
                    ] : [
                        '_index' => $record['_index'],
                    ],
                ];
                unset($record['_index'], $record['_type']);

                $params['body'][] = $record;
            }

            /** @var Elasticsearch */
            $responses = $this->client->bulk($params);

            if ($responses['errors'] === true) {
                throw $this->createExceptionFromResponses($responses);
            }
        } catch (Throwable $e) {
            if (! $this->options['ignore_error']) {
                throw new RuntimeException('Error sending messages to Elasticsearch', 0, $e);
            }
        }
    }

    /**
     * Creates elasticsearch exception from responses array
     *
     * Only the first error is converted into an exception.
     *
     * @param mixed[]|Elasticsearch $responses returned by $this->client->bulk()
     */
    protected function createExceptionFromResponses($responses): Throwable
    {
        foreach ($responses['items'] ?? [] as $item) {
            if (isset($item['index']['error'])) {
                return $this->createExceptionFromError($item['index']['error']);
            }
        }

        if (class_exists(ElasticInvalidArgumentException::class)) {
            return new ElasticInvalidArgumentException('Elasticsearch failed to index one or more records.');
        }

        return new ElasticsearchRuntimeException('Elasticsearch failed to index one or more records.');
    }

    /**
     * Creates elasticsearch exception from error array
     *
     * @param mixed[] $error
     */
    protected function createExceptionFromError(array $error): Throwable
    {
        $previous = isset($error['caused_by']) ? $this->createExceptionFromError($error['caused_by']) : null;

        if (class_exists(ElasticInvalidArgumentException::class)) {
            return new ElasticInvalidArgumentException($error['type'] . ': ' . $error['reason'], 0, $previous);
        }

        return new ElasticsearchRuntimeException($error['type'] . ': ' . $error['reason'], 0, $previous);
    }
}
PK     ³ˆU]¸ø_[	  	  ?  vendor/monolog/monolog/src/Monolog/Handler/FleepHookHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Monolog\Logger;

/**
 * Sends logs to Fleep.io using Webhook integrations
 *
 * You'll need a Fleep.io account to use this handler.
 *
 * @see https://fleep.io/integrations/webhooks/ Fleep Webhooks Documentation
 * @author Ando Roots <ando@sqroot.eu>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class FleepHookHandler extends SocketHandler
{
    protected const FLEEP_HOST = 'fleep.io';

    protected const FLEEP_HOOK_URI = '/hook/';

    /**
     * @var string Webhook token (specifies the conversation where logs are sent)
     */
    protected $token;

    /**
     * Construct a new Fleep.io Handler.
     *
     * For instructions on how to create a new web hook in your conversations
     * see https://fleep.io/integrations/webhooks/
     *
     * @param  string                    $token  Webhook token
     * @throws MissingExtensionException
     */
    public function __construct(
        string $token,
        $level = Logger::DEBUG,
        bool $bubble = true,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if (!extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP extension is required to use the FleepHookHandler');
        }

        $this->token = $token;

        $connectionString = 'ssl://' . static::FLEEP_HOST . ':443';
        parent::__construct(
            $connectionString,
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );
    }

    /**
     * Returns the default formatter to use with this handler
     *
     * Overloaded to remove empty context and extra arrays from the end of the log message.
     *
     * @return LineFormatter
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter(null, null, true, true);
    }

    /**
     * Handles a log record
     */
    public function write(array $record): void
    {
        parent::write($record);
        $this->closeSocket();
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        $content = $this->buildContent($record);

        return $this->buildHeader($content) . $content;
    }

    /**
     * Builds the header of the API Call
     */
    private function buildHeader(string $content): string
    {
        $header = "POST " . static::FLEEP_HOOK_URI . $this->token . " HTTP/1.1\r\n";
        $header .= "Host: " . static::FLEEP_HOST . "\r\n";
        $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
        $header .= "Content-Length: " . strlen($content) . "\r\n";
        $header .= "\r\n";

        return $header;
    }

    /**
     * Builds the body of API call
     *
     * @phpstan-param FormattedRecord $record
     */
    private function buildContent(array $record): string
    {
        $dataArray = [
            'message' => $record['formatted'],
        ];

        return http_build_query($dataArray);
    }
}
PK     ³ˆU]¡ˆmŠz  z  H  vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * Base Handler class providing the Handler structure, including processors and formatters
 *
 * Classes extending it should (in most cases) only implement write($record)
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Christophe Coevoet <stof@notk.org>
 *
 * @phpstan-import-type LevelName from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-type FormattedRecord array{message: string, context: mixed[], level: Level, level_name: LevelName, channel: string, datetime: \DateTimeImmutable, extra: mixed[], formatted: mixed}
 */
abstract class AbstractProcessingHandler extends AbstractHandler implements ProcessableHandlerInterface, FormattableHandlerInterface
{
    use ProcessableHandlerTrait;
    use FormattableHandlerTrait;

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if (!$this->isHandling($record)) {
            return false;
        }

        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        $record['formatted'] = $this->getFormatter()->format($record);

        $this->write($record);

        return false === $this->bubble;
    }

    /**
     * Writes the record down to the log of the implementing handler
     *
     * @phpstan-param FormattedRecord $record
     */
    abstract protected function write(array $record): void;

    /**
     * @return void
     */
    public function reset()
    {
        parent::reset();

        $this->resetProcessors();
    }
}
PK     ³ˆU]$ËÔp¿)  ¿)  @  vendor/monolog/monolog/src/Monolog/Handler/Slack/SlackRecord.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\Slack;

use Monolog\Logger;
use Monolog\Utils;
use Monolog\Formatter\NormalizerFormatter;
use Monolog\Formatter\FormatterInterface;

/**
 * Slack record utility helping to log to Slack webhooks or API.
 *
 * @author Greg Kedzierski <greg@gregkedzierski.com>
 * @author Haralan Dobrev <hkdobrev@gmail.com>
 * @see    https://api.slack.com/incoming-webhooks
 * @see    https://api.slack.com/docs/message-attachments
 *
 * @phpstan-import-type FormattedRecord from \Monolog\Handler\AbstractProcessingHandler
 * @phpstan-import-type Record from \Monolog\Logger
 */
class SlackRecord
{
    public const COLOR_DANGER = 'danger';

    public const COLOR_WARNING = 'warning';

    public const COLOR_GOOD = 'good';

    public const COLOR_DEFAULT = '#e3e4e6';

    /**
     * Slack channel (encoded ID or name)
     * @var string|null
     */
    private $channel;

    /**
     * Name of a bot
     * @var string|null
     */
    private $username;

    /**
     * User icon e.g. 'ghost', 'http://example.com/user.png'
     * @var string|null
     */
    private $userIcon;

    /**
     * Whether the message should be added to Slack as attachment (plain text otherwise)
     * @var bool
     */
    private $useAttachment;

    /**
     * Whether the the context/extra messages added to Slack as attachments are in a short style
     * @var bool
     */
    private $useShortAttachment;

    /**
     * Whether the attachment should include context and extra data
     * @var bool
     */
    private $includeContextAndExtra;

    /**
     * Dot separated list of fields to exclude from slack message. E.g. ['context.field1', 'extra.field2']
     * @var string[]
     */
    private $excludeFields;

    /**
     * @var ?FormatterInterface
     */
    private $formatter;

    /**
     * @var NormalizerFormatter
     */
    private $normalizerFormatter;

    /**
     * @param string[] $excludeFields
     */
    public function __construct(
        ?string $channel = null,
        ?string $username = null,
        bool $useAttachment = true,
        ?string $userIcon = null,
        bool $useShortAttachment = false,
        bool $includeContextAndExtra = false,
        array $excludeFields = array(),
        FormatterInterface $formatter = null
    ) {
        $this
            ->setChannel($channel)
            ->setUsername($username)
            ->useAttachment($useAttachment)
            ->setUserIcon($userIcon)
            ->useShortAttachment($useShortAttachment)
            ->includeContextAndExtra($includeContextAndExtra)
            ->excludeFields($excludeFields)
            ->setFormatter($formatter);

        if ($this->includeContextAndExtra) {
            $this->normalizerFormatter = new NormalizerFormatter();
        }
    }

    /**
     * Returns required data in format that Slack
     * is expecting.
     *
     * @phpstan-param FormattedRecord $record
     * @phpstan-return mixed[]
     */
    public function getSlackData(array $record): array
    {
        $dataArray = array();
        $record = $this->removeExcludedFields($record);

        if ($this->username) {
            $dataArray['username'] = $this->username;
        }

        if ($this->channel) {
            $dataArray['channel'] = $this->channel;
        }

        if ($this->formatter && !$this->useAttachment) {
            /** @phpstan-ignore-next-line */
            $message = $this->formatter->format($record);
        } else {
            $message = $record['message'];
        }

        if ($this->useAttachment) {
            $attachment = array(
                'fallback'    => $message,
                'text'        => $message,
                'color'       => $this->getAttachmentColor($record['level']),
                'fields'      => array(),
                'mrkdwn_in'   => array('fields'),
                'ts'          => $record['datetime']->getTimestamp(),
                'footer'      => $this->username,
                'footer_icon' => $this->userIcon,
            );

            if ($this->useShortAttachment) {
                $attachment['title'] = $record['level_name'];
            } else {
                $attachment['title'] = 'Message';
                $attachment['fields'][] = $this->generateAttachmentField('Level', $record['level_name']);
            }

            if ($this->includeContextAndExtra) {
                foreach (array('extra', 'context') as $key) {
                    if (empty($record[$key])) {
                        continue;
                    }

                    if ($this->useShortAttachment) {
                        $attachment['fields'][] = $this->generateAttachmentField(
                            (string) $key,
                            $record[$key]
                        );
                    } else {
                        // Add all extra fields as individual fields in attachment
                        $attachment['fields'] = array_merge(
                            $attachment['fields'],
                            $this->generateAttachmentFields($record[$key])
                        );
                    }
                }
            }

            $dataArray['attachments'] = array($attachment);
        } else {
            $dataArray['text'] = $message;
        }

        if ($this->userIcon) {
            if (filter_var($this->userIcon, FILTER_VALIDATE_URL)) {
                $dataArray['icon_url'] = $this->userIcon;
            } else {
                $dataArray['icon_emoji'] = ":{$this->userIcon}:";
            }
        }

        return $dataArray;
    }

    /**
     * Returns a Slack message attachment color associated with
     * provided level.
     */
    public function getAttachmentColor(int $level): string
    {
        switch (true) {
            case $level >= Logger::ERROR:
                return static::COLOR_DANGER;
            case $level >= Logger::WARNING:
                return static::COLOR_WARNING;
            case $level >= Logger::INFO:
                return static::COLOR_GOOD;
            default:
                return static::COLOR_DEFAULT;
        }
    }

    /**
     * Stringifies an array of key/value pairs to be used in attachment fields
     *
     * @param mixed[] $fields
     */
    public function stringify(array $fields): string
    {
        /** @var Record $fields */
        $normalized = $this->normalizerFormatter->format($fields);

        $hasSecondDimension = count(array_filter($normalized, 'is_array'));
        $hasNonNumericKeys = !count(array_filter(array_keys($normalized), 'is_numeric'));

        return $hasSecondDimension || $hasNonNumericKeys
            ? Utils::jsonEncode($normalized, JSON_PRETTY_PRINT|Utils::DEFAULT_JSON_FLAGS)
            : Utils::jsonEncode($normalized, Utils::DEFAULT_JSON_FLAGS);
    }

    /**
     * Channel used by the bot when posting
     *
     * @param ?string $channel
     *
     * @return static
     */
    public function setChannel(?string $channel = null): self
    {
        $this->channel = $channel;

        return $this;
    }

    /**
     * Username used by the bot when posting
     *
     * @param ?string $username
     *
     * @return static
     */
    public function setUsername(?string $username = null): self
    {
        $this->username = $username;

        return $this;
    }

    public function useAttachment(bool $useAttachment = true): self
    {
        $this->useAttachment = $useAttachment;

        return $this;
    }

    public function setUserIcon(?string $userIcon = null): self
    {
        $this->userIcon = $userIcon;

        if (\is_string($userIcon)) {
            $this->userIcon = trim($userIcon, ':');
        }

        return $this;
    }

    public function useShortAttachment(bool $useShortAttachment = false): self
    {
        $this->useShortAttachment = $useShortAttachment;

        return $this;
    }

    public function includeContextAndExtra(bool $includeContextAndExtra = false): self
    {
        $this->includeContextAndExtra = $includeContextAndExtra;

        if ($this->includeContextAndExtra) {
            $this->normalizerFormatter = new NormalizerFormatter();
        }

        return $this;
    }

    /**
     * @param string[] $excludeFields
     */
    public function excludeFields(array $excludeFields = []): self
    {
        $this->excludeFields = $excludeFields;

        return $this;
    }

    public function setFormatter(?FormatterInterface $formatter = null): self
    {
        $this->formatter = $formatter;

        return $this;
    }

    /**
     * Generates attachment field
     *
     * @param string|mixed[] $value
     *
     * @return array{title: string, value: string, short: false}
     */
    private function generateAttachmentField(string $title, $value): array
    {
        $value = is_array($value)
            ? sprintf('```%s```', substr($this->stringify($value), 0, 1990))
            : $value;

        return array(
            'title' => ucfirst($title),
            'value' => $value,
            'short' => false,
        );
    }

    /**
     * Generates a collection of attachment fields from array
     *
     * @param mixed[] $data
     *
     * @return array<array{title: string, value: string, short: false}>
     */
    private function generateAttachmentFields(array $data): array
    {
        /** @var Record $data */
        $normalized = $this->normalizerFormatter->format($data);

        $fields = array();
        foreach ($normalized as $key => $value) {
            $fields[] = $this->generateAttachmentField((string) $key, $value);
        }

        return $fields;
    }

    /**
     * Get a copy of record with fields excluded according to $this->excludeFields
     *
     * @phpstan-param FormattedRecord $record
     *
     * @return mixed[]
     */
    private function removeExcludedFields(array $record): array
    {
        foreach ($this->excludeFields as $field) {
            $keys = explode('.', $field);
            $node = &$record;
            $lastKey = end($keys);
            foreach ($keys as $key) {
                if (!isset($node[$key])) {
                    break;
                }
                if ($lastKey === $key) {
                    unset($node[$key]);
                    break;
                }
                $node = &$node[$key];
            }
        }

        return $record;
    }
}
PK     ³ˆU]‰­ºŽl  l  ;  vendor/monolog/monolog/src/Monolog/Handler/SlackHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;
use Monolog\Utils;
use Monolog\Handler\Slack\SlackRecord;

/**
 * Sends notifications through Slack API
 *
 * @author Greg Kedzierski <greg@gregkedzierski.com>
 * @see    https://api.slack.com/
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class SlackHandler extends SocketHandler
{
    /**
     * Slack API token
     * @var string
     */
    private $token;

    /**
     * Instance of the SlackRecord util class preparing data for Slack API.
     * @var SlackRecord
     */
    private $slackRecord;

    /**
     * @param  string                    $token                  Slack API token
     * @param  string                    $channel                Slack channel (encoded ID or name)
     * @param  string|null               $username               Name of a bot
     * @param  bool                      $useAttachment          Whether the message should be added to Slack as attachment (plain text otherwise)
     * @param  string|null               $iconEmoji              The emoji name to use (or null)
     * @param  bool                      $useShortAttachment     Whether the context/extra messages added to Slack as attachments are in a short style
     * @param  bool                      $includeContextAndExtra Whether the attachment should include context and extra data
     * @param  string[]                  $excludeFields          Dot separated list of fields to exclude from slack message. E.g. ['context.field1', 'extra.field2']
     * @throws MissingExtensionException If no OpenSSL PHP extension configured
     */
    public function __construct(
        string $token,
        string $channel,
        ?string $username = null,
        bool $useAttachment = true,
        ?string $iconEmoji = null,
        $level = Logger::CRITICAL,
        bool $bubble = true,
        bool $useShortAttachment = false,
        bool $includeContextAndExtra = false,
        array $excludeFields = array(),
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if (!extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP extension is required to use the SlackHandler');
        }

        parent::__construct(
            'ssl://slack.com:443',
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );

        $this->slackRecord = new SlackRecord(
            $channel,
            $username,
            $useAttachment,
            $iconEmoji,
            $useShortAttachment,
            $includeContextAndExtra,
            $excludeFields
        );

        $this->token = $token;
    }

    public function getSlackRecord(): SlackRecord
    {
        return $this->slackRecord;
    }

    public function getToken(): string
    {
        return $this->token;
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        $content = $this->buildContent($record);

        return $this->buildHeader($content) . $content;
    }

    /**
     * Builds the body of API call
     *
     * @phpstan-param FormattedRecord $record
     */
    private function buildContent(array $record): string
    {
        $dataArray = $this->prepareContentData($record);

        return http_build_query($dataArray);
    }

    /**
     * @phpstan-param FormattedRecord $record
     * @return string[]
     */
    protected function prepareContentData(array $record): array
    {
        $dataArray = $this->slackRecord->getSlackData($record);
        $dataArray['token'] = $this->token;

        if (!empty($dataArray['attachments'])) {
            $dataArray['attachments'] = Utils::jsonEncode($dataArray['attachments']);
        }

        return $dataArray;
    }

    /**
     * Builds the header of the API Call
     */
    private function buildHeader(string $content): string
    {
        $header = "POST /api/chat.postMessage HTTP/1.1\r\n";
        $header .= "Host: slack.com\r\n";
        $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
        $header .= "Content-Length: " . strlen($content) . "\r\n";
        $header .= "\r\n";

        return $header;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        parent::write($record);
        $this->finalizeWrite();
    }

    /**
     * Finalizes the request by reading some bytes and then closing the socket
     *
     * If we do not read some but close the socket too early, slack sometimes
     * drops the request entirely.
     */
    protected function finalizeWrite(): void
    {
        $res = $this->getResource();
        if (is_resource($res)) {
            @fread($res, 2048);
        }
        $this->closeSocket();
    }

    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        parent::setFormatter($formatter);
        $this->slackRecord->setFormatter($formatter);

        return $this;
    }

    public function getFormatter(): FormatterInterface
    {
        $formatter = parent::getFormatter();
        $this->slackRecord->setFormatter($formatter);

        return $formatter;
    }

    /**
     * Channel used by the bot when posting
     */
    public function setChannel(string $channel): self
    {
        $this->slackRecord->setChannel($channel);

        return $this;
    }

    /**
     * Username used by the bot when posting
     */
    public function setUsername(string $username): self
    {
        $this->slackRecord->setUsername($username);

        return $this;
    }

    public function useAttachment(bool $useAttachment): self
    {
        $this->slackRecord->useAttachment($useAttachment);

        return $this;
    }

    public function setIconEmoji(string $iconEmoji): self
    {
        $this->slackRecord->setUserIcon($iconEmoji);

        return $this;
    }

    public function useShortAttachment(bool $useShortAttachment): self
    {
        $this->slackRecord->useShortAttachment($useShortAttachment);

        return $this;
    }

    public function includeContextAndExtra(bool $includeContextAndExtra): self
    {
        $this->slackRecord->includeContextAndExtra($includeContextAndExtra);

        return $this;
    }

    /**
     * @param string[] $excludeFields
     */
    public function excludeFields(array $excludeFields): self
    {
        $this->slackRecord->excludeFields($excludeFields);

        return $this;
    }
}
PK     ´ˆU]åwÛÓ‡  ‡  ;  vendor/monolog/monolog/src/Monolog/Handler/IFTTTHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;

/**
 * IFTTTHandler uses cURL to trigger IFTTT Maker actions
 *
 * Register a secret key and trigger/event name at https://ifttt.com/maker
 *
 * value1 will be the channel from monolog's Logger constructor,
 * value2 will be the level name (ERROR, WARNING, ..)
 * value3 will be the log record's message
 *
 * @author Nehal Patel <nehal@nehalpatel.me>
 */
class IFTTTHandler extends AbstractProcessingHandler
{
    /** @var string */
    private $eventName;
    /** @var string */
    private $secretKey;

    /**
     * @param string $eventName The name of the IFTTT Maker event that should be triggered
     * @param string $secretKey A valid IFTTT secret key
     */
    public function __construct(string $eventName, string $secretKey, $level = Logger::ERROR, bool $bubble = true)
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the IFTTTHandler');
        }

        $this->eventName = $eventName;
        $this->secretKey = $secretKey;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    public function write(array $record): void
    {
        $postData = [
            "value1" => $record["channel"],
            "value2" => $record["level_name"],
            "value3" => $record["message"],
        ];
        $postString = Utils::jsonEncode($postData);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, "https://maker.ifttt.com/trigger/" . $this->eventName . "/with/key/" . $this->secretKey);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postString);
        curl_setopt($ch, CURLOPT_HTTPHEADER, [
            "Content-Type: application/json",
        ]);

        Curl\Util::execute($ch);
    }
}
PK     ´ˆU]Ï+š      >  vendor/monolog/monolog/src/Monolog/Handler/ElasticaHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Elastica\Document;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\ElasticaFormatter;
use Monolog\Logger;
use Elastica\Client;
use Elastica\Exception\ExceptionInterface;

/**
 * Elastic Search handler
 *
 * Usage example:
 *
 *    $client = new \Elastica\Client();
 *    $options = array(
 *        'index' => 'elastic_index_name',
 *        'type' => 'elastic_doc_type', Types have been removed in Elastica 7
 *    );
 *    $handler = new ElasticaHandler($client, $options);
 *    $log = new Logger('application');
 *    $log->pushHandler($handler);
 *
 * @author Jelle Vink <jelle.vink@gmail.com>
 */
class ElasticaHandler extends AbstractProcessingHandler
{
    /**
     * @var Client
     */
    protected $client;

    /**
     * @var mixed[] Handler config options
     */
    protected $options = [];

    /**
     * @param Client  $client  Elastica Client object
     * @param mixed[] $options Handler configuration
     */
    public function __construct(Client $client, array $options = [], $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);
        $this->client = $client;
        $this->options = array_merge(
            [
                'index'          => 'monolog',      // Elastic index name
                'type'           => 'record',       // Elastic document type
                'ignore_error'   => false,          // Suppress Elastica exceptions
            ],
            $options
        );
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->bulkSend([$record['formatted']]);
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($formatter instanceof ElasticaFormatter) {
            return parent::setFormatter($formatter);
        }

        throw new \InvalidArgumentException('ElasticaHandler is only compatible with ElasticaFormatter');
    }

    /**
     * @return mixed[]
     */
    public function getOptions(): array
    {
        return $this->options;
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new ElasticaFormatter($this->options['index'], $this->options['type']);
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        $documents = $this->getFormatter()->formatBatch($records);
        $this->bulkSend($documents);
    }

    /**
     * Use Elasticsearch bulk API to send list of documents
     *
     * @param Document[] $documents
     *
     * @throws \RuntimeException
     */
    protected function bulkSend(array $documents): void
    {
        try {
            $this->client->addDocuments($documents);
        } catch (ExceptionInterface $e) {
            if (!$this->options['ignore_error']) {
                throw new \RuntimeException("Error sending messages to Elasticsearch", 0, $e);
            }
        }
    }
}
PK     ´ˆU]�ÌZ™É  É  F  vendor/monolog/monolog/src/Monolog/Handler/ProcessableHandlerTrait.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\ResettableInterface;
use Monolog\Processor\ProcessorInterface;

/**
 * Helper trait for implementing ProcessableInterface
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
trait ProcessableHandlerTrait
{
    /**
     * @var callable[]
     * @phpstan-var array<ProcessorInterface|callable(Record): Record>
     */
    protected $processors = [];

    /**
     * {@inheritDoc}
     */
    public function pushProcessor(callable $callback): HandlerInterface
    {
        array_unshift($this->processors, $callback);

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function popProcessor(): callable
    {
        if (!$this->processors) {
            throw new \LogicException('You tried to pop from an empty processor stack.');
        }

        return array_shift($this->processors);
    }

    /**
     * Processes a record.
     *
     * @phpstan-param  Record $record
     * @phpstan-return Record
     */
    protected function processRecord(array $record): array
    {
        foreach ($this->processors as $processor) {
            $record = $processor($record);
        }

        return $record;
    }

    protected function resetProcessors(): void
    {
        foreach ($this->processors as $processor) {
            if ($processor instanceof ResettableInterface) {
                $processor->reset();
            }
        }
    }
}
PK     ´ˆU]#¶Ï  Ï  <  vendor/monolog/monolog/src/Monolog/Handler/FilterHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\ResettableInterface;
use Monolog\Formatter\FormatterInterface;
use Psr\Log\LogLevel;

/**
 * Simple handler wrapper that filters records based on a list of levels
 *
 * It can be configured with an exact list of levels to allow, or a min/max level.
 *
 * @author Hennadiy Verkh
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class FilterHandler extends Handler implements ProcessableHandlerInterface, ResettableInterface, FormattableHandlerInterface
{
    use ProcessableHandlerTrait;

    /**
     * Handler or factory callable($record, $this)
     *
     * @var callable|HandlerInterface
     * @phpstan-var callable(?Record, HandlerInterface): HandlerInterface|HandlerInterface
     */
    protected $handler;

    /**
     * Minimum level for logs that are passed to handler
     *
     * @var int[]
     * @phpstan-var array<Level, int>
     */
    protected $acceptedLevels;

    /**
     * Whether the messages that are handled can bubble up the stack or not
     *
     * @var bool
     */
    protected $bubble;

    /**
     * @psalm-param HandlerInterface|callable(?Record, HandlerInterface): HandlerInterface $handler
     *
     * @param callable|HandlerInterface $handler        Handler or factory callable($record|null, $filterHandler).
     * @param int|array                 $minLevelOrList A list of levels to accept or a minimum level if maxLevel is provided
     * @param int|string                $maxLevel       Maximum level to accept, only used if $minLevelOrList is not an array
     * @param bool                      $bubble         Whether the messages that are handled can bubble up the stack or not
     *
     * @phpstan-param Level|LevelName|LogLevel::*|array<Level|LevelName|LogLevel::*> $minLevelOrList
     * @phpstan-param Level|LevelName|LogLevel::* $maxLevel
     */
    public function __construct($handler, $minLevelOrList = Logger::DEBUG, $maxLevel = Logger::EMERGENCY, bool $bubble = true)
    {
        $this->handler  = $handler;
        $this->bubble   = $bubble;
        $this->setAcceptedLevels($minLevelOrList, $maxLevel);

        if (!$this->handler instanceof HandlerInterface && !is_callable($this->handler)) {
            throw new \RuntimeException("The given handler (".json_encode($this->handler).") is not a callable nor a Monolog\Handler\HandlerInterface object");
        }
    }

    /**
     * @phpstan-return array<int, Level>
     */
    public function getAcceptedLevels(): array
    {
        return array_flip($this->acceptedLevels);
    }

    /**
     * @param int|string|array $minLevelOrList A list of levels to accept or a minimum level or level name if maxLevel is provided
     * @param int|string       $maxLevel       Maximum level or level name to accept, only used if $minLevelOrList is not an array
     *
     * @phpstan-param Level|LevelName|LogLevel::*|array<Level|LevelName|LogLevel::*> $minLevelOrList
     * @phpstan-param Level|LevelName|LogLevel::*                                    $maxLevel
     */
    public function setAcceptedLevels($minLevelOrList = Logger::DEBUG, $maxLevel = Logger::EMERGENCY): self
    {
        if (is_array($minLevelOrList)) {
            $acceptedLevels = array_map('Monolog\Logger::toMonologLevel', $minLevelOrList);
        } else {
            $minLevelOrList = Logger::toMonologLevel($minLevelOrList);
            $maxLevel = Logger::toMonologLevel($maxLevel);
            $acceptedLevels = array_values(array_filter(Logger::getLevels(), function ($level) use ($minLevelOrList, $maxLevel) {
                return $level >= $minLevelOrList && $level <= $maxLevel;
            }));
        }
        $this->acceptedLevels = array_flip($acceptedLevels);

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return isset($this->acceptedLevels[$record['level']]);
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if (!$this->isHandling($record)) {
            return false;
        }

        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        $this->getHandler($record)->handle($record);

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        $filtered = [];
        foreach ($records as $record) {
            if ($this->isHandling($record)) {
                $filtered[] = $record;
            }
        }

        if (count($filtered) > 0) {
            $this->getHandler($filtered[count($filtered) - 1])->handleBatch($filtered);
        }
    }

    /**
     * Return the nested handler
     *
     * If the handler was provided as a factory callable, this will trigger the handler's instantiation.
     *
     * @return HandlerInterface
     *
     * @phpstan-param Record $record
     */
    public function getHandler(array $record = null)
    {
        if (!$this->handler instanceof HandlerInterface) {
            $this->handler = ($this->handler)($record, $this);
            if (!$this->handler instanceof HandlerInterface) {
                throw new \RuntimeException("The factory callable should return a HandlerInterface");
            }
        }

        return $this->handler;
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            $handler->setFormatter($formatter);

            return $this;
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            return $handler->getFormatter();
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }

    public function reset()
    {
        $this->resetProcessors();

        if ($this->getHandler() instanceof ResettableInterface) {
            $this->getHandler()->reset();
        }
    }
}
PK     µˆU]Ðe'Ã    6  vendor/monolog/monolog/src/Monolog/Handler/Handler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * Base Handler class providing basic close() support as well as handleBatch
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
abstract class Handler implements HandlerInterface
{
    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        foreach ($records as $record) {
            $this->handle($record);
        }
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
    }

    public function __destruct()
    {
        try {
            $this->close();
        } catch (\Throwable $e) {
            // do nothing
        }
    }

    public function __sleep()
    {
        $this->close();

        return array_keys(get_object_vars($this));
    }
}
PK     µˆU]Všb_  _  =  vendor/monolog/monolog/src/Monolog/Handler/ProcessHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;

/**
 * Stores to STDIN of any process, specified by a command.
 *
 * Usage example:
 * <pre>
 * $log = new Logger('myLogger');
 * $log->pushHandler(new ProcessHandler('/usr/bin/php /var/www/monolog/someScript.php'));
 * </pre>
 *
 * @author Kolja Zuelsdorf <koljaz@web.de>
 */
class ProcessHandler extends AbstractProcessingHandler
{
    /**
     * Holds the process to receive data on its STDIN.
     *
     * @var resource|bool|null
     */
    private $process;

    /**
     * @var string
     */
    private $command;

    /**
     * @var string|null
     */
    private $cwd;

    /**
     * @var resource[]
     */
    private $pipes = [];

    /**
     * @var array<int, string[]>
     */
    protected const DESCRIPTOR_SPEC = [
        0 => ['pipe', 'r'],  // STDIN is a pipe that the child will read from
        1 => ['pipe', 'w'],  // STDOUT is a pipe that the child will write to
        2 => ['pipe', 'w'],  // STDERR is a pipe to catch the any errors
    ];

    /**
     * @param  string                    $command Command for the process to start. Absolute paths are recommended,
     *                                            especially if you do not use the $cwd parameter.
     * @param  string|null               $cwd     "Current working directory" (CWD) for the process to be executed in.
     * @throws \InvalidArgumentException
     */
    public function __construct(string $command, $level = Logger::DEBUG, bool $bubble = true, ?string $cwd = null)
    {
        if ($command === '') {
            throw new \InvalidArgumentException('The command argument must be a non-empty string.');
        }
        if ($cwd === '') {
            throw new \InvalidArgumentException('The optional CWD argument must be a non-empty string or null.');
        }

        parent::__construct($level, $bubble);

        $this->command = $command;
        $this->cwd = $cwd;
    }

    /**
     * Writes the record down to the log of the implementing handler
     *
     * @throws \UnexpectedValueException
     */
    protected function write(array $record): void
    {
        $this->ensureProcessIsStarted();

        $this->writeProcessInput($record['formatted']);

        $errors = $this->readProcessErrors();
        if (empty($errors) === false) {
            throw new \UnexpectedValueException(sprintf('Errors while writing to process: %s', $errors));
        }
    }

    /**
     * Makes sure that the process is actually started, and if not, starts it,
     * assigns the stream pipes, and handles startup errors, if any.
     */
    private function ensureProcessIsStarted(): void
    {
        if (is_resource($this->process) === false) {
            $this->startProcess();

            $this->handleStartupErrors();
        }
    }

    /**
     * Starts the actual process and sets all streams to non-blocking.
     */
    private function startProcess(): void
    {
        $this->process = proc_open($this->command, static::DESCRIPTOR_SPEC, $this->pipes, $this->cwd);

        foreach ($this->pipes as $pipe) {
            stream_set_blocking($pipe, false);
        }
    }

    /**
     * Selects the STDERR stream, handles upcoming startup errors, and throws an exception, if any.
     *
     * @throws \UnexpectedValueException
     */
    private function handleStartupErrors(): void
    {
        $selected = $this->selectErrorStream();
        if (false === $selected) {
            throw new \UnexpectedValueException('Something went wrong while selecting a stream.');
        }

        $errors = $this->readProcessErrors();

        if (is_resource($this->process) === false || empty($errors) === false) {
            throw new \UnexpectedValueException(
                sprintf('The process "%s" could not be opened: ' . $errors, $this->command)
            );
        }
    }

    /**
     * Selects the STDERR stream.
     *
     * @return int|bool
     */
    protected function selectErrorStream()
    {
        $empty = [];
        $errorPipes = [$this->pipes[2]];

        return stream_select($errorPipes, $empty, $empty, 1);
    }

    /**
     * Reads the errors of the process, if there are any.
     *
     * @codeCoverageIgnore
     * @return string Empty string if there are no errors.
     */
    protected function readProcessErrors(): string
    {
        return (string) stream_get_contents($this->pipes[2]);
    }

    /**
     * Writes to the input stream of the opened process.
     *
     * @codeCoverageIgnore
     */
    protected function writeProcessInput(string $string): void
    {
        fwrite($this->pipes[0], $string);
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        if (is_resource($this->process)) {
            foreach ($this->pipes as $pipe) {
                fclose($pipe);
            }
            proc_close($this->process);
            $this->process = null;
        }
    }
}
PK     µˆU]_9çw  w  :  vendor/monolog/monolog/src/Monolog/Handler/GelfHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Gelf\PublisherInterface;
use Monolog\Logger;
use Monolog\Formatter\GelfMessageFormatter;
use Monolog\Formatter\FormatterInterface;

/**
 * Handler to send messages to a Graylog2 (http://www.graylog2.org) server
 *
 * @author Matt Lehner <mlehner@gmail.com>
 * @author Benjamin Zikarsky <benjamin@zikarsky.de>
 */
class GelfHandler extends AbstractProcessingHandler
{
    /**
     * @var PublisherInterface the publisher object that sends the message to the server
     */
    protected $publisher;

    /**
     * @param PublisherInterface $publisher a gelf publisher object
     */
    public function __construct(PublisherInterface $publisher, $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        $this->publisher = $publisher;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->publisher->publish($record['formatted']);
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new GelfMessageFormatter();
    }
}
PK     ¶ˆU]¯”h©p  p  :  vendor/monolog/monolog/src/Monolog/Handler/NoopHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * No-op
 *
 * This handler handles anything, but does nothing, and does not stop bubbling to the rest of the stack.
 * This can be used for testing, or to disable a handler when overriding a configuration without
 * influencing the rest of the stack.
 *
 * @author Roel Harbers <roelharbers@gmail.com>
 */
class NoopHandler extends Handler
{
    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        return false;
    }
}
PK     ¶ˆU]Òè•®Í  Í  C  vendor/monolog/monolog/src/Monolog/Handler/SymfonyMailerHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Symfony\Component\Mailer\MailerInterface;
use Symfony\Component\Mailer\Transport\TransportInterface;
use Symfony\Component\Mime\Email;

/**
 * SymfonyMailerHandler uses Symfony's Mailer component to send the emails
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class SymfonyMailerHandler extends MailHandler
{
    /** @var MailerInterface|TransportInterface */
    protected $mailer;
    /** @var Email|callable(string, Record[]): Email */
    private $emailTemplate;

    /**
     * @psalm-param Email|callable(string, Record[]): Email $email
     *
     * @param MailerInterface|TransportInterface $mailer The mailer to use
     * @param callable|Email                     $email  An email template, the subject/body will be replaced
     */
    public function __construct($mailer, $email, $level = Logger::ERROR, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        $this->mailer = $mailer;
        $this->emailTemplate = $email;
    }

    /**
     * {@inheritDoc}
     */
    protected function send(string $content, array $records): void
    {
        $this->mailer->send($this->buildMessage($content, $records));
    }

    /**
     * Gets the formatter for the Swift_Message subject.
     *
     * @param string|null $format The format of the subject
     */
    protected function getSubjectFormatter(?string $format): FormatterInterface
    {
        return new LineFormatter($format);
    }

    /**
     * Creates instance of Email to be sent
     *
     * @param  string        $content formatted email body to be sent
     * @param  array         $records Log records that formed the content
     *
     * @phpstan-param Record[] $records
     */
    protected function buildMessage(string $content, array $records): Email
    {
        $message = null;
        if ($this->emailTemplate instanceof Email) {
            $message = clone $this->emailTemplate;
        } elseif (is_callable($this->emailTemplate)) {
            $message = ($this->emailTemplate)($content, $records);
        }

        if (!$message instanceof Email) {
            $record = reset($records);
            throw new \InvalidArgumentException('Could not resolve message as instance of Email or a callable returning it' . ($record ? Utils::getRecordMessageForException($record) : ''));
        }

        if ($records) {
            $subjectFormatter = $this->getSubjectFormatter($message->getSubject());
            $message->subject($subjectFormatter->format($this->getHighestRecord($records)));
        }

        if ($this->isHtmlBody($content)) {
            if (null !== ($charset = $message->getHtmlCharset())) {
                $message->html($content, $charset);
            } else {
                $message->html($content);
            }
        } else {
            if (null !== ($charset = $message->getTextCharset())) {
                $message->text($content, $charset);
            } else {
                $message->text($content);
            }
        }

        return $message->date(new \DateTimeImmutable());
    }
}
PK     ·ˆU]ô¢:  :  @  vendor/monolog/monolog/src/Monolog/Handler/InsightOpsHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;

/**
 * Inspired on LogEntriesHandler.
 *
 * @author Robert Kaufmann III <rok3@rok3.me>
 * @author Gabriel Machado <gabriel.ms1@hotmail.com>
 */
class InsightOpsHandler extends SocketHandler
{
    /**
     * @var string
     */
    protected $logToken;

    /**
     * @param string     $token  Log token supplied by InsightOps
     * @param string     $region Region where InsightOps account is hosted. Could be 'us' or 'eu'.
     * @param bool       $useSSL Whether or not SSL encryption should be used
     *
     * @throws MissingExtensionException If SSL encryption is set to true and OpenSSL is missing
     */
    public function __construct(
        string $token,
        string $region = 'us',
        bool $useSSL = true,
        $level = Logger::DEBUG,
        bool $bubble = true,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if ($useSSL && !extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP plugin is required to use SSL encrypted connection for InsightOpsHandler');
        }

        $endpoint = $useSSL
            ? 'ssl://' . $region . '.data.logs.insight.rapid7.com:443'
            : $region . '.data.logs.insight.rapid7.com:80';

        parent::__construct(
            $endpoint,
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );
        $this->logToken = $token;
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        return $this->logToken . ' ' . $record['formatted'];
    }
}
PK     ·ˆU]^wn#k  k  B  vendor/monolog/monolog/src/Monolog/Handler/NativeMailerHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\LineFormatter;

/**
 * NativeMailerHandler uses the mail() function to send the emails
 *
 * @author Christophe Coevoet <stof@notk.org>
 * @author Mark Garrett <mark@moderndeveloperllc.com>
 */
class NativeMailerHandler extends MailHandler
{
    /**
     * The email addresses to which the message will be sent
     * @var string[]
     */
    protected $to;

    /**
     * The subject of the email
     * @var string
     */
    protected $subject;

    /**
     * Optional headers for the message
     * @var string[]
     */
    protected $headers = [];

    /**
     * Optional parameters for the message
     * @var string[]
     */
    protected $parameters = [];

    /**
     * The wordwrap length for the message
     * @var int
     */
    protected $maxColumnWidth;

    /**
     * The Content-type for the message
     * @var string|null
     */
    protected $contentType;

    /**
     * The encoding for the message
     * @var string
     */
    protected $encoding = 'utf-8';

    /**
     * @param string|string[] $to             The receiver of the mail
     * @param string          $subject        The subject of the mail
     * @param string          $from           The sender of the mail
     * @param int             $maxColumnWidth The maximum column width that the message lines will have
     */
    public function __construct($to, string $subject, string $from, $level = Logger::ERROR, bool $bubble = true, int $maxColumnWidth = 70)
    {
        parent::__construct($level, $bubble);
        $this->to = (array) $to;
        $this->subject = $subject;
        $this->addHeader(sprintf('From: %s', $from));
        $this->maxColumnWidth = $maxColumnWidth;
    }

    /**
     * Add headers to the message
     *
     * @param string|string[] $headers Custom added headers
     */
    public function addHeader($headers): self
    {
        foreach ((array) $headers as $header) {
            if (strpos($header, "\n") !== false || strpos($header, "\r") !== false) {
                throw new \InvalidArgumentException('Headers can not contain newline characters for security reasons');
            }
            $this->headers[] = $header;
        }

        return $this;
    }

    /**
     * Add parameters to the message
     *
     * @param string|string[] $parameters Custom added parameters
     */
    public function addParameter($parameters): self
    {
        $this->parameters = array_merge($this->parameters, (array) $parameters);

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    protected function send(string $content, array $records): void
    {
        $contentType = $this->getContentType() ?: ($this->isHtmlBody($content) ? 'text/html' : 'text/plain');

        if ($contentType !== 'text/html') {
            $content = wordwrap($content, $this->maxColumnWidth);
        }

        $headers = ltrim(implode("\r\n", $this->headers) . "\r\n", "\r\n");
        $headers .= 'Content-type: ' . $contentType . '; charset=' . $this->getEncoding() . "\r\n";
        if ($contentType === 'text/html' && false === strpos($headers, 'MIME-Version:')) {
            $headers .= 'MIME-Version: 1.0' . "\r\n";
        }

        $subject = $this->subject;
        if ($records) {
            $subjectFormatter = new LineFormatter($this->subject);
            $subject = $subjectFormatter->format($this->getHighestRecord($records));
        }

        $parameters = implode(' ', $this->parameters);
        foreach ($this->to as $to) {
            mail($to, $subject, $content, $headers, $parameters);
        }
    }

    public function getContentType(): ?string
    {
        return $this->contentType;
    }

    public function getEncoding(): string
    {
        return $this->encoding;
    }

    /**
     * @param string $contentType The content type of the email - Defaults to text/plain. Use text/html for HTML messages.
     */
    public function setContentType(string $contentType): self
    {
        if (strpos($contentType, "\n") !== false || strpos($contentType, "\r") !== false) {
            throw new \InvalidArgumentException('The content type can not contain newline characters to prevent email header injection');
        }

        $this->contentType = $contentType;

        return $this;
    }

    public function setEncoding(string $encoding): self
    {
        if (strpos($encoding, "\n") !== false || strpos($encoding, "\r") !== false) {
            throw new \InvalidArgumentException('The encoding can not contain newline characters to prevent email header injection');
        }

        $this->encoding = $encoding;

        return $this;
    }
}
PK     ·ˆU]ë†C¬  ¬  ;  vendor/monolog/monolog/src/Monolog/Handler/RedisHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\LineFormatter;
use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;

/**
 * Logs to a Redis key using rpush
 *
 * usage example:
 *
 *   $log = new Logger('application');
 *   $redis = new RedisHandler(new Predis\Client("tcp://localhost:6379"), "logs", "prod");
 *   $log->pushHandler($redis);
 *
 * @author Thomas Tourlourat <thomas@tourlourat.com>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class RedisHandler extends AbstractProcessingHandler
{
    /** @var \Predis\Client|\Redis */
    private $redisClient;
    /** @var string */
    private $redisKey;
    /** @var int */
    protected $capSize;

    /**
     * @param \Predis\Client|\Redis $redis   The redis instance
     * @param string                $key     The key name to push records to
     * @param int                   $capSize Number of entries to limit list size to, 0 = unlimited
     */
    public function __construct($redis, string $key, $level = Logger::DEBUG, bool $bubble = true, int $capSize = 0)
    {
        if (!(($redis instanceof \Predis\Client) || ($redis instanceof \Redis))) {
            throw new \InvalidArgumentException('Predis\Client or Redis instance required');
        }

        $this->redisClient = $redis;
        $this->redisKey = $key;
        $this->capSize = $capSize;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if ($this->capSize) {
            $this->writeCapped($record);
        } else {
            $this->redisClient->rpush($this->redisKey, $record["formatted"]);
        }
    }

    /**
     * Write and cap the collection
     * Writes the record to the redis list and caps its
     *
     * @phpstan-param FormattedRecord $record
     */
    protected function writeCapped(array $record): void
    {
        if ($this->redisClient instanceof \Redis) {
            $mode = defined('\Redis::MULTI') ? \Redis::MULTI : 1;
            $this->redisClient->multi($mode)
                ->rpush($this->redisKey, $record["formatted"])
                ->ltrim($this->redisKey, -$this->capSize, -1)
                ->exec();
        } else {
            $redisKey = $this->redisKey;
            $capSize = $this->capSize;
            $this->redisClient->transaction(function ($tx) use ($record, $redisKey, $capSize) {
                $tx->rpush($redisKey, $record["formatted"]);
                $tx->ltrim($redisKey, -$capSize, -1);
            });
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter();
    }
}
PK     ·ˆU]·C®Þ    =  vendor/monolog/monolog/src/Monolog/Handler/HandlerWrapper.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\ResettableInterface;
use Monolog\Formatter\FormatterInterface;

/**
 * This simple wrapper class can be used to extend handlers functionality.
 *
 * Example: A custom filtering that can be applied to any handler.
 *
 * Inherit from this class and override handle() like this:
 *
 *   public function handle(array $record)
 *   {
 *        if ($record meets certain conditions) {
 *            return false;
 *        }
 *        return $this->handler->handle($record);
 *   }
 *
 * @author Alexey Karapetov <alexey@karapetov.com>
 */
class HandlerWrapper implements HandlerInterface, ProcessableHandlerInterface, FormattableHandlerInterface, ResettableInterface
{
    /**
     * @var HandlerInterface
     */
    protected $handler;

    public function __construct(HandlerInterface $handler)
    {
        $this->handler = $handler;
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return $this->handler->isHandling($record);
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        return $this->handler->handle($record);
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        $this->handler->handleBatch($records);
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        $this->handler->close();
    }

    /**
     * {@inheritDoc}
     */
    public function pushProcessor(callable $callback): HandlerInterface
    {
        if ($this->handler instanceof ProcessableHandlerInterface) {
            $this->handler->pushProcessor($callback);

            return $this;
        }

        throw new \LogicException('The wrapped handler does not implement ' . ProcessableHandlerInterface::class);
    }

    /**
     * {@inheritDoc}
     */
    public function popProcessor(): callable
    {
        if ($this->handler instanceof ProcessableHandlerInterface) {
            return $this->handler->popProcessor();
        }

        throw new \LogicException('The wrapped handler does not implement ' . ProcessableHandlerInterface::class);
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            $this->handler->setFormatter($formatter);

            return $this;
        }

        throw new \LogicException('The wrapped handler does not implement ' . FormattableHandlerInterface::class);
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            return $this->handler->getFormatter();
        }

        throw new \LogicException('The wrapped handler does not implement ' . FormattableHandlerInterface::class);
    }

    public function reset()
    {
        if ($this->handler instanceof ResettableInterface) {
            $this->handler->reset();
        }
    }
}
PK     ¸ˆU]y:0®­  ­  J  vendor/monolog/monolog/src/Monolog/Handler/ProcessableHandlerInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Processor\ProcessorInterface;

/**
 * Interface to describe loggers that have processors
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
interface ProcessableHandlerInterface
{
    /**
     * Adds a processor in the stack.
     *
     * @psalm-param ProcessorInterface|callable(Record): Record $callback
     *
     * @param  ProcessorInterface|callable $callback
     * @return HandlerInterface            self
     */
    public function pushProcessor(callable $callback): HandlerInterface;

    /**
     * Removes the processor on top of the stack and returns it.
     *
     * @psalm-return ProcessorInterface|callable(Record): Record $callback
     *
     * @throws \LogicException             In case the processor stack is empty
     * @return callable|ProcessorInterface
     */
    public function popProcessor(): callable;
}
PK     ¸ˆU]MŒ®»7  7  =  vendor/monolog/monolog/src/Monolog/Handler/CouchDBHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\JsonFormatter;
use Monolog\Logger;

/**
 * CouchDB handler
 *
 * @author Markus Bachmann <markus.bachmann@bachi.biz>
 */
class CouchDBHandler extends AbstractProcessingHandler
{
    /** @var mixed[] */
    private $options;

    /**
     * @param mixed[] $options
     */
    public function __construct(array $options = [], $level = Logger::DEBUG, bool $bubble = true)
    {
        $this->options = array_merge([
            'host'     => 'localhost',
            'port'     => 5984,
            'dbname'   => 'logger',
            'username' => null,
            'password' => null,
        ], $options);

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $basicAuth = null;
        if ($this->options['username']) {
            $basicAuth = sprintf('%s:%s@', $this->options['username'], $this->options['password']);
        }

        $url = 'http://'.$basicAuth.$this->options['host'].':'.$this->options['port'].'/'.$this->options['dbname'];
        $context = stream_context_create([
            'http' => [
                'method'        => 'POST',
                'content'       => $record['formatted'],
                'ignore_errors' => true,
                'max_redirects' => 0,
                'header'        => 'Content-type: application/json',
            ],
        ]);

        if (false === @file_get_contents($url, false, $context)) {
            throw new \RuntimeException(sprintf('Could not connect to %s', $url));
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new JsonFormatter(JsonFormatter::BATCH_MODE_JSON, false);
    }
}
PK     ¸ˆU]€×[
  [
  >  vendor/monolog/monolog/src/Monolog/Handler/AbstractHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\ResettableInterface;
use Psr\Log\LogLevel;

/**
 * Base Handler class providing basic level/bubble support
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
abstract class AbstractHandler extends Handler implements ResettableInterface
{
    /**
     * @var int
     * @phpstan-var Level
     */
    protected $level = Logger::DEBUG;
    /** @var bool */
    protected $bubble = true;

    /**
     * @param int|string $level  The minimum logging level at which this handler will be triggered
     * @param bool       $bubble Whether the messages that are handled can bubble up the stack or not
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function __construct($level = Logger::DEBUG, bool $bubble = true)
    {
        $this->setLevel($level);
        $this->bubble = $bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return $record['level'] >= $this->level;
    }

    /**
     * Sets minimum logging level at which this handler will be triggered.
     *
     * @param  Level|LevelName|LogLevel::* $level Level or level name
     * @return self
     */
    public function setLevel($level): self
    {
        $this->level = Logger::toMonologLevel($level);

        return $this;
    }

    /**
     * Gets minimum logging level at which this handler will be triggered.
     *
     * @return int
     *
     * @phpstan-return Level
     */
    public function getLevel(): int
    {
        return $this->level;
    }

    /**
     * Sets the bubbling behavior.
     *
     * @param  bool $bubble true means that this handler allows bubbling.
     *                      false means that bubbling is not permitted.
     * @return self
     */
    public function setBubble(bool $bubble): self
    {
        $this->bubble = $bubble;

        return $this;
    }

    /**
     * Gets the bubbling behavior.
     *
     * @return bool true means that this handler allows bubbling.
     *              false means that bubbling is not permitted.
     */
    public function getBubble(): bool
    {
        return $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function reset()
    {
    }
}
PK     ¹ˆU]ôbó^  ^  :  vendor/monolog/monolog/src/Monolog/Handler/TestHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Used for testing purposes.
 *
 * It records all records and gives you access to them for verification.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @method bool hasEmergency($record)
 * @method bool hasAlert($record)
 * @method bool hasCritical($record)
 * @method bool hasError($record)
 * @method bool hasWarning($record)
 * @method bool hasNotice($record)
 * @method bool hasInfo($record)
 * @method bool hasDebug($record)
 *
 * @method bool hasEmergencyRecords()
 * @method bool hasAlertRecords()
 * @method bool hasCriticalRecords()
 * @method bool hasErrorRecords()
 * @method bool hasWarningRecords()
 * @method bool hasNoticeRecords()
 * @method bool hasInfoRecords()
 * @method bool hasDebugRecords()
 *
 * @method bool hasEmergencyThatContains($message)
 * @method bool hasAlertThatContains($message)
 * @method bool hasCriticalThatContains($message)
 * @method bool hasErrorThatContains($message)
 * @method bool hasWarningThatContains($message)
 * @method bool hasNoticeThatContains($message)
 * @method bool hasInfoThatContains($message)
 * @method bool hasDebugThatContains($message)
 *
 * @method bool hasEmergencyThatMatches($message)
 * @method bool hasAlertThatMatches($message)
 * @method bool hasCriticalThatMatches($message)
 * @method bool hasErrorThatMatches($message)
 * @method bool hasWarningThatMatches($message)
 * @method bool hasNoticeThatMatches($message)
 * @method bool hasInfoThatMatches($message)
 * @method bool hasDebugThatMatches($message)
 *
 * @method bool hasEmergencyThatPasses($message)
 * @method bool hasAlertThatPasses($message)
 * @method bool hasCriticalThatPasses($message)
 * @method bool hasErrorThatPasses($message)
 * @method bool hasWarningThatPasses($message)
 * @method bool hasNoticeThatPasses($message)
 * @method bool hasInfoThatPasses($message)
 * @method bool hasDebugThatPasses($message)
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class TestHandler extends AbstractProcessingHandler
{
    /** @var Record[] */
    protected $records = [];
    /** @var array<Level, Record[]> */
    protected $recordsByLevel = [];
    /** @var bool */
    private $skipReset = false;

    /**
     * @return array
     *
     * @phpstan-return Record[]
     */
    public function getRecords()
    {
        return $this->records;
    }

    /**
     * @return void
     */
    public function clear()
    {
        $this->records = [];
        $this->recordsByLevel = [];
    }

    /**
     * @return void
     */
    public function reset()
    {
        if (!$this->skipReset) {
            $this->clear();
        }
    }

    /**
     * @return void
     */
    public function setSkipReset(bool $skipReset)
    {
        $this->skipReset = $skipReset;
    }

    /**
     * @param string|int $level Logging level value or name
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function hasRecords($level): bool
    {
        return isset($this->recordsByLevel[Logger::toMonologLevel($level)]);
    }

    /**
     * @param string|array $record Either a message string or an array containing message and optionally context keys that will be checked against all records
     * @param string|int   $level  Logging level value or name
     *
     * @phpstan-param array{message: string, context?: mixed[]}|string $record
     * @phpstan-param Level|LevelName|LogLevel::*                      $level
     */
    public function hasRecord($record, $level): bool
    {
        if (is_string($record)) {
            $record = array('message' => $record);
        }

        return $this->hasRecordThatPasses(function ($rec) use ($record) {
            if ($rec['message'] !== $record['message']) {
                return false;
            }
            if (isset($record['context']) && $rec['context'] !== $record['context']) {
                return false;
            }

            return true;
        }, $level);
    }

    /**
     * @param string|int $level Logging level value or name
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function hasRecordThatContains(string $message, $level): bool
    {
        return $this->hasRecordThatPasses(function ($rec) use ($message) {
            return strpos($rec['message'], $message) !== false;
        }, $level);
    }

    /**
     * @param string|int $level Logging level value or name
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function hasRecordThatMatches(string $regex, $level): bool
    {
        return $this->hasRecordThatPasses(function (array $rec) use ($regex): bool {
            return preg_match($regex, $rec['message']) > 0;
        }, $level);
    }

    /**
     * @param  string|int $level Logging level value or name
     * @return bool
     *
     * @psalm-param callable(Record, int): mixed $predicate
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function hasRecordThatPasses(callable $predicate, $level)
    {
        $level = Logger::toMonologLevel($level);

        if (!isset($this->recordsByLevel[$level])) {
            return false;
        }

        foreach ($this->recordsByLevel[$level] as $i => $rec) {
            if ($predicate($rec, $i)) {
                return true;
            }
        }

        return false;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->recordsByLevel[$record['level']][] = $record;
        $this->records[] = $record;
    }

    /**
     * @param  string  $method
     * @param  mixed[] $args
     * @return bool
     */
    public function __call($method, $args)
    {
        if (preg_match('/(.*)(Debug|Info|Notice|Warning|Error|Critical|Alert|Emergency)(.*)/', $method, $matches) > 0) {
            $genericMethod = $matches[1] . ('Records' !== $matches[3] ? 'Record' : '') . $matches[3];
            $level = constant('Monolog\Logger::' . strtoupper($matches[2]));
            $callback = [$this, $genericMethod];
            if (is_callable($callback)) {
                $args[] = $level;

                return call_user_func_array($callback, $args);
            }
        }

        throw new \BadMethodCallException('Call to undefined method ' . get_class($this) . '::' . $method . '()');
    }
}
PK     ¹ˆU]!¶¹Ò  Ò  9  vendor/monolog/monolog/src/Monolog/Handler/SqsHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Aws\Sqs\SqsClient;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Writes to any sqs queue.
 *
 * @author Martijn van Calker <git@amvc.nl>
 */
class SqsHandler extends AbstractProcessingHandler
{
    /** 256 KB in bytes - maximum message size in SQS */
    protected const MAX_MESSAGE_SIZE = 262144;
    /** 100 KB in bytes - head message size for new error log */
    protected const HEAD_MESSAGE_SIZE = 102400;

    /** @var SqsClient */
    private $client;
    /** @var string */
    private $queueUrl;

    public function __construct(SqsClient $sqsClient, string $queueUrl, $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        $this->client = $sqsClient;
        $this->queueUrl = $queueUrl;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!isset($record['formatted']) || 'string' !== gettype($record['formatted'])) {
            throw new \InvalidArgumentException('SqsHandler accepts only formatted records as a string' . Utils::getRecordMessageForException($record));
        }

        $messageBody = $record['formatted'];
        if (strlen($messageBody) >= static::MAX_MESSAGE_SIZE) {
            $messageBody = Utils::substr($messageBody, 0, static::HEAD_MESSAGE_SIZE);
        }

        $this->client->sendMessage([
            'QueueUrl' => $this->queueUrl,
            'MessageBody' => $messageBody,
        ]);
    }
}
PK     ºˆU]›šÆæ¥  ¥  :  vendor/monolog/monolog/src/Monolog/Handler/CubeHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;

/**
 * Logs to Cube.
 *
 * @link http://square.github.com/cube/
 * @author Wan Chen <kami@kamisama.me>
 */
class CubeHandler extends AbstractProcessingHandler
{
    /** @var resource|\Socket|null */
    private $udpConnection = null;
    /** @var resource|\CurlHandle|null */
    private $httpConnection = null;
    /** @var string */
    private $scheme;
    /** @var string */
    private $host;
    /** @var int */
    private $port;
    /** @var string[] */
    private $acceptedSchemes = ['http', 'udp'];

    /**
     * Create a Cube handler
     *
     * @throws \UnexpectedValueException when given url is not a valid url.
     *                                   A valid url must consist of three parts : protocol://host:port
     *                                   Only valid protocols used by Cube are http and udp
     */
    public function __construct(string $url, $level = Logger::DEBUG, bool $bubble = true)
    {
        $urlInfo = parse_url($url);

        if ($urlInfo === false || !isset($urlInfo['scheme'], $urlInfo['host'], $urlInfo['port'])) {
            throw new \UnexpectedValueException('URL "'.$url.'" is not valid');
        }

        if (!in_array($urlInfo['scheme'], $this->acceptedSchemes)) {
            throw new \UnexpectedValueException(
                'Invalid protocol (' . $urlInfo['scheme']  . ').'
                . ' Valid options are ' . implode(', ', $this->acceptedSchemes)
            );
        }

        $this->scheme = $urlInfo['scheme'];
        $this->host = $urlInfo['host'];
        $this->port = (int) $urlInfo['port'];

        parent::__construct($level, $bubble);
    }

    /**
     * Establish a connection to an UDP socket
     *
     * @throws \LogicException           when unable to connect to the socket
     * @throws MissingExtensionException when there is no socket extension
     */
    protected function connectUdp(): void
    {
        if (!extension_loaded('sockets')) {
            throw new MissingExtensionException('The sockets extension is required to use udp URLs with the CubeHandler');
        }

        $udpConnection = socket_create(AF_INET, SOCK_DGRAM, 0);
        if (false === $udpConnection) {
            throw new \LogicException('Unable to create a socket');
        }

        $this->udpConnection = $udpConnection;
        if (!socket_connect($this->udpConnection, $this->host, $this->port)) {
            throw new \LogicException('Unable to connect to the socket at ' . $this->host . ':' . $this->port);
        }
    }

    /**
     * Establish a connection to an http server
     *
     * @throws \LogicException           when unable to connect to the socket
     * @throws MissingExtensionException when no curl extension
     */
    protected function connectHttp(): void
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is required to use http URLs with the CubeHandler');
        }

        $httpConnection = curl_init('http://'.$this->host.':'.$this->port.'/1.0/event/put');
        if (false === $httpConnection) {
            throw new \LogicException('Unable to connect to ' . $this->host . ':' . $this->port);
        }

        $this->httpConnection = $httpConnection;
        curl_setopt($this->httpConnection, CURLOPT_CUSTOMREQUEST, "POST");
        curl_setopt($this->httpConnection, CURLOPT_RETURNTRANSFER, true);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $date = $record['datetime'];

        $data = ['time' => $date->format('Y-m-d\TH:i:s.uO')];
        unset($record['datetime']);

        if (isset($record['context']['type'])) {
            $data['type'] = $record['context']['type'];
            unset($record['context']['type']);
        } else {
            $data['type'] = $record['channel'];
        }

        $data['data'] = $record['context'];
        $data['data']['level'] = $record['level'];

        if ($this->scheme === 'http') {
            $this->writeHttp(Utils::jsonEncode($data));
        } else {
            $this->writeUdp(Utils::jsonEncode($data));
        }
    }

    private function writeUdp(string $data): void
    {
        if (!$this->udpConnection) {
            $this->connectUdp();
        }

        socket_send($this->udpConnection, $data, strlen($data), 0);
    }

    private function writeHttp(string $data): void
    {
        if (!$this->httpConnection) {
            $this->connectHttp();
        }

        if (null === $this->httpConnection) {
            throw new \LogicException('No connection could be established');
        }

        curl_setopt($this->httpConnection, CURLOPT_POSTFIELDS, '['.$data.']');
        curl_setopt($this->httpConnection, CURLOPT_HTTPHEADER, [
            'Content-Type: application/json',
            'Content-Length: ' . strlen('['.$data.']'),
        ]);

        Curl\Util::execute($this->httpConnection, 5, false);
    }
}
PK     »ˆU]ÆÒÞÙ  Ù  H  vendor/monolog/monolog/src/Monolog/Handler/MissingExtensionException.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * Exception can be thrown if an extension for a handler is missing
 *
 * @author Christian Bergau <cbergau86@gmail.com>
 */
class MissingExtensionException extends \Exception
{
}
PK     ¼ˆU]¦@vò  ò  >  vendor/monolog/monolog/src/Monolog/Handler/SamplingHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;

/**
 * Sampling handler
 *
 * A sampled event stream can be useful for logging high frequency events in
 * a production environment where you only need an idea of what is happening
 * and are not concerned with capturing every occurrence. Since the decision to
 * handle or not handle a particular event is determined randomly, the
 * resulting sampled log is not guaranteed to contain 1/N of the events that
 * occurred in the application, but based on the Law of large numbers, it will
 * tend to be close to this ratio with a large number of attempts.
 *
 * @author Bryan Davis <bd808@wikimedia.org>
 * @author Kunal Mehta <legoktm@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 */
class SamplingHandler extends AbstractHandler implements ProcessableHandlerInterface, FormattableHandlerInterface
{
    use ProcessableHandlerTrait;

    /**
     * @var HandlerInterface|callable
     * @phpstan-var HandlerInterface|callable(Record|array{level: Level}|null, HandlerInterface): HandlerInterface
     */
    protected $handler;

    /**
     * @var int $factor
     */
    protected $factor;

    /**
     * @psalm-param HandlerInterface|callable(Record|array{level: Level}|null, HandlerInterface): HandlerInterface $handler
     *
     * @param callable|HandlerInterface $handler Handler or factory callable($record|null, $samplingHandler).
     * @param int                       $factor  Sample factor (e.g. 10 means every ~10th record is sampled)
     */
    public function __construct($handler, int $factor)
    {
        parent::__construct();
        $this->handler = $handler;
        $this->factor = $factor;

        if (!$this->handler instanceof HandlerInterface && !is_callable($this->handler)) {
            throw new \RuntimeException("The given handler (".json_encode($this->handler).") is not a callable nor a Monolog\Handler\HandlerInterface object");
        }
    }

    public function isHandling(array $record): bool
    {
        return $this->getHandler($record)->isHandling($record);
    }

    public function handle(array $record): bool
    {
        if ($this->isHandling($record) && mt_rand(1, $this->factor) === 1) {
            if ($this->processors) {
                /** @var Record $record */
                $record = $this->processRecord($record);
            }

            $this->getHandler($record)->handle($record);
        }

        return false === $this->bubble;
    }

    /**
     * Return the nested handler
     *
     * If the handler was provided as a factory callable, this will trigger the handler's instantiation.
     *
     * @phpstan-param Record|array{level: Level}|null $record
     *
     * @return HandlerInterface
     */
    public function getHandler(array $record = null)
    {
        if (!$this->handler instanceof HandlerInterface) {
            $this->handler = ($this->handler)($record, $this);
            if (!$this->handler instanceof HandlerInterface) {
                throw new \RuntimeException("The factory callable should return a HandlerInterface");
            }
        }

        return $this->handler;
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            $handler->setFormatter($formatter);

            return $this;
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        $handler = $this->getHandler();
        if ($handler instanceof FormattableHandlerInterface) {
            return $handler->getFormatter();
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($handler).' does not support formatters.');
    }
}
PK     ½ˆU]�Ik‚9  9  :  vendor/monolog/monolog/src/Monolog/Handler/NullHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Blackhole
 *
 * Any record it can handle will be thrown away. This can be used
 * to put on top of an existing stack to override it temporarily.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class NullHandler extends Handler
{
    /**
     * @var int
     */
    private $level;

    /**
     * @param string|int $level The minimum logging level at which this handler will be triggered
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function __construct($level = Logger::DEBUG)
    {
        $this->level = Logger::toMonologLevel($level);
    }

    /**
     * {@inheritDoc}
     */
    public function isHandling(array $record): bool
    {
        return $record['level'] >= $this->level;
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        return $record['level'] >= $this->level;
    }
}
PK     ÀˆU]H·ç‘  ‘  ?  vendor/monolog/monolog/src/Monolog/Handler/SyslogUdpHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use DateTimeInterface;
use Monolog\Logger;
use Monolog\Handler\SyslogUdp\UdpSocket;
use Monolog\Utils;

/**
 * A Handler for logging to a remote syslogd server.
 *
 * @author Jesper Skovgaard Nielsen <nulpunkt@gmail.com>
 * @author Dominik Kukacka <dominik.kukacka@gmail.com>
 */
class SyslogUdpHandler extends AbstractSyslogHandler
{
    const RFC3164 = 0;
    const RFC5424 = 1;
    const RFC5424e = 2;

    /** @var array<self::RFC*, string> */
    private $dateFormats = array(
        self::RFC3164 => 'M d H:i:s',
        self::RFC5424 => \DateTime::RFC3339,
        self::RFC5424e => \DateTime::RFC3339_EXTENDED,
    );

    /** @var UdpSocket */
    protected $socket;
    /** @var string */
    protected $ident;
    /** @var self::RFC* */
    protected $rfc;

    /**
     * @param string     $host     Either IP/hostname or a path to a unix socket (port must be 0 then)
     * @param int        $port     Port number, or 0 if $host is a unix socket
     * @param string|int $facility Either one of the names of the keys in $this->facilities, or a LOG_* facility constant
     * @param bool       $bubble   Whether the messages that are handled can bubble up the stack or not
     * @param string     $ident    Program name or tag for each log message.
     * @param int        $rfc      RFC to format the message for.
     * @throws MissingExtensionException
     *
     * @phpstan-param self::RFC* $rfc
     */
    public function __construct(string $host, int $port = 514, $facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true, string $ident = 'php', int $rfc = self::RFC5424)
    {
        if (!extension_loaded('sockets')) {
            throw new MissingExtensionException('The sockets extension is required to use the SyslogUdpHandler');
        }

        parent::__construct($facility, $level, $bubble);

        $this->ident = $ident;
        $this->rfc = $rfc;

        $this->socket = new UdpSocket($host, $port);
    }

    protected function write(array $record): void
    {
        $lines = $this->splitMessageIntoLines($record['formatted']);

        $header = $this->makeCommonSyslogHeader($this->logLevels[$record['level']], $record['datetime']);

        foreach ($lines as $line) {
            $this->socket->write($line, $header);
        }
    }

    public function close(): void
    {
        $this->socket->close();
    }

    /**
     * @param  string|string[] $message
     * @return string[]
     */
    private function splitMessageIntoLines($message): array
    {
        if (is_array($message)) {
            $message = implode("\n", $message);
        }

        $lines = preg_split('/$\R?^/m', (string) $message, -1, PREG_SPLIT_NO_EMPTY);
        if (false === $lines) {
            $pcreErrorCode = preg_last_error();
            throw new \RuntimeException('Could not preg_split: ' . $pcreErrorCode . ' / ' . Utils::pcreLastErrorMessage($pcreErrorCode));
        }

        return $lines;
    }

    /**
     * Make common syslog header (see rfc5424 or rfc3164)
     */
    protected function makeCommonSyslogHeader(int $severity, DateTimeInterface $datetime): string
    {
        $priority = $severity + $this->facility;

        if (!$pid = getmypid()) {
            $pid = '-';
        }

        if (!$hostname = gethostname()) {
            $hostname = '-';
        }

        if ($this->rfc === self::RFC3164) {
            // see https://github.com/phpstan/phpstan/issues/5348
            // @phpstan-ignore-next-line
            $dateNew = $datetime->setTimezone(new \DateTimeZone('UTC'));
            $date = $dateNew->format($this->dateFormats[$this->rfc]);

            return "<$priority>" .
                $date . " " .
                $hostname . " " .
                $this->ident . "[" . $pid . "]: ";
        }

        $date = $datetime->format($this->dateFormats[$this->rfc]);

        return "<$priority>1 " .
            $date . " " .
            $hostname . " " .
            $this->ident . " " .
            $pid . " - - ";
    }

    /**
     * Inject your own socket, mainly used for testing
     */
    public function setSocket(UdpSocket $socket): self
    {
        $this->socket = $socket;

        return $this;
    }
}
PK     ÀˆU]£=h  h  E  vendor/monolog/monolog/src/Monolog/Handler/DoctrineCouchDBHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\NormalizerFormatter;
use Monolog\Formatter\FormatterInterface;
use Doctrine\CouchDB\CouchDBClient;

/**
 * CouchDB handler for Doctrine CouchDB ODM
 *
 * @author Markus Bachmann <markus.bachmann@bachi.biz>
 */
class DoctrineCouchDBHandler extends AbstractProcessingHandler
{
    /** @var CouchDBClient */
    private $client;

    public function __construct(CouchDBClient $client, $level = Logger::DEBUG, bool $bubble = true)
    {
        $this->client = $client;
        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->client->postDocument($record['formatted']);
    }

    protected function getDefaultFormatter(): FormatterInterface
    {
        return new NormalizerFormatter;
    }
}
PK     ÀˆU]ÄF    <  vendor/monolog/monolog/src/Monolog/Handler/LogglyHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LogglyFormatter;
use function array_key_exists;
use CurlHandle;

/**
 * Sends errors to Loggly.
 *
 * @author Przemek Sobstel <przemek@sobstel.org>
 * @author Adam Pancutt <adam@pancutt.com>
 * @author Gregory Barchard <gregory@barchard.net>
 */
class LogglyHandler extends AbstractProcessingHandler
{
    protected const HOST = 'logs-01.loggly.com';
    protected const ENDPOINT_SINGLE = 'inputs';
    protected const ENDPOINT_BATCH = 'bulk';

    /**
     * Caches the curl handlers for every given endpoint.
     *
     * @var resource[]|CurlHandle[]
     */
    protected $curlHandlers = [];

    /** @var string */
    protected $token;

    /** @var string[] */
    protected $tag = [];

    /**
     * @param string $token API token supplied by Loggly
     *
     * @throws MissingExtensionException If the curl extension is missing
     */
    public function __construct(string $token, $level = Logger::DEBUG, bool $bubble = true)
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the LogglyHandler');
        }

        $this->token = $token;

        parent::__construct($level, $bubble);
    }

    /**
     * Loads and returns the shared curl handler for the given endpoint.
     *
     * @param string $endpoint
     *
     * @return resource|CurlHandle
     */
    protected function getCurlHandler(string $endpoint)
    {
        if (!array_key_exists($endpoint, $this->curlHandlers)) {
            $this->curlHandlers[$endpoint] = $this->loadCurlHandle($endpoint);
        }

        return $this->curlHandlers[$endpoint];
    }

    /**
     * Starts a fresh curl session for the given endpoint and returns its handler.
     *
     * @param string $endpoint
     *
     * @return resource|CurlHandle
     */
    private function loadCurlHandle(string $endpoint)
    {
        $url = sprintf("https://%s/%s/%s/", static::HOST, $endpoint, $this->token);

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        return $ch;
    }

    /**
     * @param string[]|string $tag
     */
    public function setTag($tag): self
    {
        $tag = !empty($tag) ? $tag : [];
        $this->tag = is_array($tag) ? $tag : [$tag];

        return $this;
    }

    /**
     * @param string[]|string $tag
     */
    public function addTag($tag): self
    {
        if (!empty($tag)) {
            $tag = is_array($tag) ? $tag : [$tag];
            $this->tag = array_unique(array_merge($this->tag, $tag));
        }

        return $this;
    }

    protected function write(array $record): void
    {
        $this->send($record["formatted"], static::ENDPOINT_SINGLE);
    }

    public function handleBatch(array $records): void
    {
        $level = $this->level;

        $records = array_filter($records, function ($record) use ($level) {
            return ($record['level'] >= $level);
        });

        if ($records) {
            $this->send($this->getFormatter()->formatBatch($records), static::ENDPOINT_BATCH);
        }
    }

    protected function send(string $data, string $endpoint): void
    {
        $ch = $this->getCurlHandler($endpoint);

        $headers = ['Content-Type: application/json'];

        if (!empty($this->tag)) {
            $headers[] = 'X-LOGGLY-TAG: '.implode(',', $this->tag);
        }

        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        Curl\Util::execute($ch, 5, false);
    }

    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LogglyFormatter();
    }
}
PK     ÀˆU]¼Ôé¯g  g  8  vendor/monolog/monolog/src/Monolog/Handler/Curl/Util.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\Curl;

use CurlHandle;

/**
 * This class is marked as internal and it is not under the BC promise of the package.
 *
 * @internal
 */
final class Util
{
    /** @var array<int> */
    private static $retriableErrorCodes = [
        CURLE_COULDNT_RESOLVE_HOST,
        CURLE_COULDNT_CONNECT,
        CURLE_HTTP_NOT_FOUND,
        CURLE_READ_ERROR,
        CURLE_OPERATION_TIMEOUTED,
        CURLE_HTTP_POST_ERROR,
        CURLE_SSL_CONNECT_ERROR,
    ];

    /**
     * Executes a CURL request with optional retries and exception on failure
     *
     * @param  resource|CurlHandle $ch             curl handler
     * @param  int                 $retries
     * @param  bool                $closeAfterDone
     * @return bool|string         @see curl_exec
     */
    public static function execute($ch, int $retries = 5, bool $closeAfterDone = true)
    {
        while ($retries--) {
            $curlResponse = curl_exec($ch);
            if ($curlResponse === false) {
                $curlErrno = curl_errno($ch);

                if (false === in_array($curlErrno, self::$retriableErrorCodes, true) || !$retries) {
                    $curlError = curl_error($ch);

                    if ($closeAfterDone) {
                        curl_close($ch);
                    }

                    throw new \RuntimeException(sprintf('Curl error (code %d): %s', $curlErrno, $curlError));
                }

                continue;
            }

            if ($closeAfterDone) {
                curl_close($ch);
            }

            return $curlResponse;
        }

        return false;
    }
}
PK     ÀˆU]å÷¨  ¨  =  vendor/monolog/monolog/src/Monolog/Handler/FirePHPHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\WildfireFormatter;
use Monolog\Formatter\FormatterInterface;

/**
 * Simple FirePHP Handler (http://www.firephp.org/), which uses the Wildfire protocol.
 *
 * @author Eric Clemmons (@ericclemmons) <eric@uxdriven.com>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class FirePHPHandler extends AbstractProcessingHandler
{
    use WebRequestRecognizerTrait;

    /**
     * WildFire JSON header message format
     */
    protected const PROTOCOL_URI = 'http://meta.wildfirehq.org/Protocol/JsonStream/0.2';

    /**
     * FirePHP structure for parsing messages & their presentation
     */
    protected const STRUCTURE_URI = 'http://meta.firephp.org/Wildfire/Structure/FirePHP/FirebugConsole/0.1';

    /**
     * Must reference a "known" plugin, otherwise headers won't display in FirePHP
     */
    protected const PLUGIN_URI = 'http://meta.firephp.org/Wildfire/Plugin/FirePHP/Library-FirePHPCore/0.3';

    /**
     * Header prefix for Wildfire to recognize & parse headers
     */
    protected const HEADER_PREFIX = 'X-Wf';

    /**
     * Whether or not Wildfire vendor-specific headers have been generated & sent yet
     * @var bool
     */
    protected static $initialized = false;

    /**
     * Shared static message index between potentially multiple handlers
     * @var int
     */
    protected static $messageIndex = 1;

    /** @var bool */
    protected static $sendHeaders = true;

    /**
     * Base header creation function used by init headers & record headers
     *
     * @param array<int|string> $meta    Wildfire Plugin, Protocol & Structure Indexes
     * @param string            $message Log message
     *
     * @return array<string, string> Complete header string ready for the client as key and message as value
     *
     * @phpstan-return non-empty-array<string, string>
     */
    protected function createHeader(array $meta, string $message): array
    {
        $header = sprintf('%s-%s', static::HEADER_PREFIX, join('-', $meta));

        return [$header => $message];
    }

    /**
     * Creates message header from record
     *
     * @return array<string, string>
     *
     * @phpstan-return non-empty-array<string, string>
     *
     * @see createHeader()
     *
     * @phpstan-param FormattedRecord $record
     */
    protected function createRecordHeader(array $record): array
    {
        // Wildfire is extensible to support multiple protocols & plugins in a single request,
        // but we're not taking advantage of that (yet), so we're using "1" for simplicity's sake.
        return $this->createHeader(
            [1, 1, 1, self::$messageIndex++],
            $record['formatted']
        );
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new WildfireFormatter();
    }

    /**
     * Wildfire initialization headers to enable message parsing
     *
     * @see createHeader()
     * @see sendHeader()
     *
     * @return array<string, string>
     */
    protected function getInitHeaders(): array
    {
        // Initial payload consists of required headers for Wildfire
        return array_merge(
            $this->createHeader(['Protocol', 1], static::PROTOCOL_URI),
            $this->createHeader([1, 'Structure', 1], static::STRUCTURE_URI),
            $this->createHeader([1, 'Plugin', 1], static::PLUGIN_URI)
        );
    }

    /**
     * Send header string to the client
     */
    protected function sendHeader(string $header, string $content): void
    {
        if (!headers_sent() && self::$sendHeaders) {
            header(sprintf('%s: %s', $header, $content));
        }
    }

    /**
     * Creates & sends header for a record, ensuring init headers have been sent prior
     *
     * @see sendHeader()
     * @see sendInitHeaders()
     */
    protected function write(array $record): void
    {
        if (!self::$sendHeaders || !$this->isWebRequest()) {
            return;
        }

        // WildFire-specific headers must be sent prior to any messages
        if (!self::$initialized) {
            self::$initialized = true;

            self::$sendHeaders = $this->headersAccepted();
            if (!self::$sendHeaders) {
                return;
            }

            foreach ($this->getInitHeaders() as $header => $content) {
                $this->sendHeader($header, $content);
            }
        }

        $header = $this->createRecordHeader($record);
        if (trim(current($header)) !== '') {
            $this->sendHeader(key($header), current($header));
        }
    }

    /**
     * Verifies if the headers are accepted by the current user agent
     */
    protected function headersAccepted(): bool
    {
        if (!empty($_SERVER['HTTP_USER_AGENT']) && preg_match('{\bFirePHP/\d+\.\d+\b}', $_SERVER['HTTP_USER_AGENT'])) {
            return true;
        }

        return isset($_SERVER['HTTP_X_FIREPHP_VERSION']);
    }
}
PK     ÀˆU]ø–CŠñ	  ñ	  =  vendor/monolog/monolog/src/Monolog/Handler/MongoDBHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use MongoDB\Driver\BulkWrite;
use MongoDB\Driver\Manager;
use MongoDB\Client;
use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\MongoDBFormatter;

/**
 * Logs to a MongoDB database.
 *
 * Usage example:
 *
 *   $log = new \Monolog\Logger('application');
 *   $client = new \MongoDB\Client('mongodb://localhost:27017');
 *   $mongodb = new \Monolog\Handler\MongoDBHandler($client, 'logs', 'prod');
 *   $log->pushHandler($mongodb);
 *
 * The above examples uses the MongoDB PHP library's client class; however, the
 * MongoDB\Driver\Manager class from ext-mongodb is also supported.
 */
class MongoDBHandler extends AbstractProcessingHandler
{
    /** @var \MongoDB\Collection */
    private $collection;
    /** @var Client|Manager */
    private $manager;
    /** @var string */
    private $namespace;

    /**
     * Constructor.
     *
     * @param Client|Manager $mongodb    MongoDB library or driver client
     * @param string         $database   Database name
     * @param string         $collection Collection name
     */
    public function __construct($mongodb, string $database, string $collection, $level = Logger::DEBUG, bool $bubble = true)
    {
        if (!($mongodb instanceof Client || $mongodb instanceof Manager)) {
            throw new \InvalidArgumentException('MongoDB\Client or MongoDB\Driver\Manager instance required');
        }

        if ($mongodb instanceof Client) {
            $this->collection = $mongodb->selectCollection($database, $collection);
        } else {
            $this->manager = $mongodb;
            $this->namespace = $database . '.' . $collection;
        }

        parent::__construct($level, $bubble);
    }

    protected function write(array $record): void
    {
        if (isset($this->collection)) {
            $this->collection->insertOne($record['formatted']);
        }

        if (isset($this->manager, $this->namespace)) {
            $bulk = new BulkWrite;
            $bulk->insert($record["formatted"]);
            $this->manager->executeBulkWrite($this->namespace, $bulk);
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new MongoDBFormatter;
    }
}
PK     ÀˆU]ÃDÉü  ü  A  vendor/monolog/monolog/src/Monolog/Handler/RedisPubSubHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\LineFormatter;
use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;

/**
 * Sends the message to a Redis Pub/Sub channel using PUBLISH
 *
 * usage example:
 *
 *   $log = new Logger('application');
 *   $redis = new RedisPubSubHandler(new Predis\Client("tcp://localhost:6379"), "logs", Logger::WARNING);
 *   $log->pushHandler($redis);
 *
 * @author GaÃ«tan FaugÃ¨re <gaetan@fauge.re>
 */
class RedisPubSubHandler extends AbstractProcessingHandler
{
    /** @var \Predis\Client|\Redis */
    private $redisClient;
    /** @var string */
    private $channelKey;

    /**
     * @param \Predis\Client|\Redis $redis The redis instance
     * @param string                $key   The channel key to publish records to
     */
    public function __construct($redis, string $key, $level = Logger::DEBUG, bool $bubble = true)
    {
        if (!(($redis instanceof \Predis\Client) || ($redis instanceof \Redis))) {
            throw new \InvalidArgumentException('Predis\Client or Redis instance required');
        }

        $this->redisClient = $redis;
        $this->channelKey = $key;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->redisClient->publish($this->channelKey, $record["formatted"]);
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter();
    }
}
PK     ÀˆU]RýC  C  >  vendor/monolog/monolog/src/Monolog/Handler/NewRelicHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;
use Monolog\Formatter\NormalizerFormatter;
use Monolog\Formatter\FormatterInterface;

/**
 * Class to record a log on a NewRelic application.
 * Enabling New Relic High Security mode may prevent capture of useful information.
 *
 * This handler requires a NormalizerFormatter to function and expects an array in $record['formatted']
 *
 * @see https://docs.newrelic.com/docs/agents/php-agent
 * @see https://docs.newrelic.com/docs/accounts-partnerships/accounts/security/high-security
 */
class NewRelicHandler extends AbstractProcessingHandler
{
    /**
     * Name of the New Relic application that will receive logs from this handler.
     *
     * @var ?string
     */
    protected $appName;

    /**
     * Name of the current transaction
     *
     * @var ?string
     */
    protected $transactionName;

    /**
     * Some context and extra data is passed into the handler as arrays of values. Do we send them as is
     * (useful if we are using the API), or explode them for display on the NewRelic RPM website?
     *
     * @var bool
     */
    protected $explodeArrays;

    /**
     * {@inheritDoc}
     *
     * @param string|null $appName
     * @param bool        $explodeArrays
     * @param string|null $transactionName
     */
    public function __construct(
        $level = Logger::ERROR,
        bool $bubble = true,
        ?string $appName = null,
        bool $explodeArrays = false,
        ?string $transactionName = null
    ) {
        parent::__construct($level, $bubble);

        $this->appName       = $appName;
        $this->explodeArrays = $explodeArrays;
        $this->transactionName = $transactionName;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!$this->isNewRelicEnabled()) {
            throw new MissingExtensionException('The newrelic PHP extension is required to use the NewRelicHandler');
        }

        if ($appName = $this->getAppName($record['context'])) {
            $this->setNewRelicAppName($appName);
        }

        if ($transactionName = $this->getTransactionName($record['context'])) {
            $this->setNewRelicTransactionName($transactionName);
            unset($record['formatted']['context']['transaction_name']);
        }

        if (isset($record['context']['exception']) && $record['context']['exception'] instanceof \Throwable) {
            newrelic_notice_error($record['message'], $record['context']['exception']);
            unset($record['formatted']['context']['exception']);
        } else {
            newrelic_notice_error($record['message']);
        }

        if (isset($record['formatted']['context']) && is_array($record['formatted']['context'])) {
            foreach ($record['formatted']['context'] as $key => $parameter) {
                if (is_array($parameter) && $this->explodeArrays) {
                    foreach ($parameter as $paramKey => $paramValue) {
                        $this->setNewRelicParameter('context_' . $key . '_' . $paramKey, $paramValue);
                    }
                } else {
                    $this->setNewRelicParameter('context_' . $key, $parameter);
                }
            }
        }

        if (isset($record['formatted']['extra']) && is_array($record['formatted']['extra'])) {
            foreach ($record['formatted']['extra'] as $key => $parameter) {
                if (is_array($parameter) && $this->explodeArrays) {
                    foreach ($parameter as $paramKey => $paramValue) {
                        $this->setNewRelicParameter('extra_' . $key . '_' . $paramKey, $paramValue);
                    }
                } else {
                    $this->setNewRelicParameter('extra_' . $key, $parameter);
                }
            }
        }
    }

    /**
     * Checks whether the NewRelic extension is enabled in the system.
     *
     * @return bool
     */
    protected function isNewRelicEnabled(): bool
    {
        return extension_loaded('newrelic');
    }

    /**
     * Returns the appname where this log should be sent. Each log can override the default appname, set in this
     * handler's constructor, by providing the appname in it's context.
     *
     * @param mixed[] $context
     */
    protected function getAppName(array $context): ?string
    {
        if (isset($context['appname'])) {
            return $context['appname'];
        }

        return $this->appName;
    }

    /**
     * Returns the name of the current transaction. Each log can override the default transaction name, set in this
     * handler's constructor, by providing the transaction_name in it's context
     *
     * @param mixed[] $context
     */
    protected function getTransactionName(array $context): ?string
    {
        if (isset($context['transaction_name'])) {
            return $context['transaction_name'];
        }

        return $this->transactionName;
    }

    /**
     * Sets the NewRelic application that should receive this log.
     */
    protected function setNewRelicAppName(string $appName): void
    {
        newrelic_set_appname($appName);
    }

    /**
     * Overwrites the name of the current transaction
     */
    protected function setNewRelicTransactionName(string $transactionName): void
    {
        newrelic_name_transaction($transactionName);
    }

    /**
     * @param string $key
     * @param mixed  $value
     */
    protected function setNewRelicParameter(string $key, $value): void
    {
        if (null === $value || is_scalar($value)) {
            newrelic_add_custom_parameter($key, $value);
        } else {
            newrelic_add_custom_parameter($key, Utils::jsonEncode($value, null, true));
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new NormalizerFormatter();
    }
}
PK     ÁˆU]`•Ç<S  S  B  vendor/monolog/monolog/src/Monolog/Handler/SlackWebhookHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;
use Monolog\Utils;
use Monolog\Handler\Slack\SlackRecord;

/**
 * Sends notifications through Slack Webhooks
 *
 * @author Haralan Dobrev <hkdobrev@gmail.com>
 * @see    https://api.slack.com/incoming-webhooks
 */
class SlackWebhookHandler extends AbstractProcessingHandler
{
    /**
     * Slack Webhook token
     * @var string
     */
    private $webhookUrl;

    /**
     * Instance of the SlackRecord util class preparing data for Slack API.
     * @var SlackRecord
     */
    private $slackRecord;

    /**
     * @param string      $webhookUrl             Slack Webhook URL
     * @param string|null $channel                Slack channel (encoded ID or name)
     * @param string|null $username               Name of a bot
     * @param bool        $useAttachment          Whether the message should be added to Slack as attachment (plain text otherwise)
     * @param string|null $iconEmoji              The emoji name to use (or null)
     * @param bool        $useShortAttachment     Whether the the context/extra messages added to Slack as attachments are in a short style
     * @param bool        $includeContextAndExtra Whether the attachment should include context and extra data
     * @param string[]    $excludeFields          Dot separated list of fields to exclude from slack message. E.g. ['context.field1', 'extra.field2']
     */
    public function __construct(
        string $webhookUrl,
        ?string $channel = null,
        ?string $username = null,
        bool $useAttachment = true,
        ?string $iconEmoji = null,
        bool $useShortAttachment = false,
        bool $includeContextAndExtra = false,
        $level = Logger::CRITICAL,
        bool $bubble = true,
        array $excludeFields = array()
    ) {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the SlackWebhookHandler');
        }

        parent::__construct($level, $bubble);

        $this->webhookUrl = $webhookUrl;

        $this->slackRecord = new SlackRecord(
            $channel,
            $username,
            $useAttachment,
            $iconEmoji,
            $useShortAttachment,
            $includeContextAndExtra,
            $excludeFields
        );
    }

    public function getSlackRecord(): SlackRecord
    {
        return $this->slackRecord;
    }

    public function getWebhookUrl(): string
    {
        return $this->webhookUrl;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $postData = $this->slackRecord->getSlackData($record);
        $postString = Utils::jsonEncode($postData);

        $ch = curl_init();
        $options = array(
            CURLOPT_URL => $this->webhookUrl,
            CURLOPT_POST => true,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HTTPHEADER => array('Content-type: application/json'),
            CURLOPT_POSTFIELDS => $postString,
        );
        if (defined('CURLOPT_SAFE_UPLOAD')) {
            $options[CURLOPT_SAFE_UPLOAD] = true;
        }

        curl_setopt_array($ch, $options);

        Curl\Util::execute($ch);
    }

    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        parent::setFormatter($formatter);
        $this->slackRecord->setFormatter($formatter);

        return $this;
    }

    public function getFormatter(): FormatterInterface
    {
        $formatter = parent::getFormatter();
        $this->slackRecord->setFormatter($formatter);

        return $formatter;
    }
}
PK     ÁˆU]Ê{Â”•  •  >  vendor/monolog/monolog/src/Monolog/Handler/PushoverHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;
use Psr\Log\LogLevel;

/**
 * Sends notifications through the pushover api to mobile phones
 *
 * @author Sebastian GÃ¶ttschkes <sebastian.goettschkes@googlemail.com>
 * @see    https://www.pushover.net/api
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class PushoverHandler extends SocketHandler
{
    /** @var string */
    private $token;
    /** @var array<int|string> */
    private $users;
    /** @var string */
    private $title;
    /** @var string|int|null */
    private $user = null;
    /** @var int */
    private $retry;
    /** @var int */
    private $expire;

    /** @var int */
    private $highPriorityLevel;
    /** @var int */
    private $emergencyLevel;
    /** @var bool */
    private $useFormattedMessage = false;

    /**
     * All parameters that can be sent to Pushover
     * @see https://pushover.net/api
     * @var array<string, bool>
     */
    private $parameterNames = [
        'token' => true,
        'user' => true,
        'message' => true,
        'device' => true,
        'title' => true,
        'url' => true,
        'url_title' => true,
        'priority' => true,
        'timestamp' => true,
        'sound' => true,
        'retry' => true,
        'expire' => true,
        'callback' => true,
    ];

    /**
     * Sounds the api supports by default
     * @see https://pushover.net/api#sounds
     * @var string[]
     */
    private $sounds = [
        'pushover', 'bike', 'bugle', 'cashregister', 'classical', 'cosmic', 'falling', 'gamelan', 'incoming',
        'intermission', 'magic', 'mechanical', 'pianobar', 'siren', 'spacealarm', 'tugboat', 'alien', 'climb',
        'persistent', 'echo', 'updown', 'none',
    ];

    /**
     * @param string       $token             Pushover api token
     * @param string|array $users             Pushover user id or array of ids the message will be sent to
     * @param string|null  $title             Title sent to the Pushover API
     * @param bool         $useSSL            Whether to connect via SSL. Required when pushing messages to users that are not
     *                                        the pushover.net app owner. OpenSSL is required for this option.
     * @param string|int   $highPriorityLevel The minimum logging level at which this handler will start
     *                                        sending "high priority" requests to the Pushover API
     * @param string|int   $emergencyLevel    The minimum logging level at which this handler will start
     *                                        sending "emergency" requests to the Pushover API
     * @param int          $retry             The retry parameter specifies how often (in seconds) the Pushover servers will
     *                                        send the same notification to the user.
     * @param int          $expire            The expire parameter specifies how many seconds your notification will continue
     *                                        to be retried for (every retry seconds).
     *
     * @phpstan-param string|array<int|string>    $users
     * @phpstan-param Level|LevelName|LogLevel::* $highPriorityLevel
     * @phpstan-param Level|LevelName|LogLevel::* $emergencyLevel
     */
    public function __construct(
        string $token,
        $users,
        ?string $title = null,
        $level = Logger::CRITICAL,
        bool $bubble = true,
        bool $useSSL = true,
        $highPriorityLevel = Logger::CRITICAL,
        $emergencyLevel = Logger::EMERGENCY,
        int $retry = 30,
        int $expire = 25200,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        $connectionString = $useSSL ? 'ssl://api.pushover.net:443' : 'api.pushover.net:80';
        parent::__construct(
            $connectionString,
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );

        $this->token = $token;
        $this->users = (array) $users;
        $this->title = $title ?: (string) gethostname();
        $this->highPriorityLevel = Logger::toMonologLevel($highPriorityLevel);
        $this->emergencyLevel = Logger::toMonologLevel($emergencyLevel);
        $this->retry = $retry;
        $this->expire = $expire;
    }

    protected function generateDataStream(array $record): string
    {
        $content = $this->buildContent($record);

        return $this->buildHeader($content) . $content;
    }

    /**
     * @phpstan-param FormattedRecord $record
     */
    private function buildContent(array $record): string
    {
        // Pushover has a limit of 512 characters on title and message combined.
        $maxMessageLength = 512 - strlen($this->title);

        $message = ($this->useFormattedMessage) ? $record['formatted'] : $record['message'];
        $message = Utils::substr($message, 0, $maxMessageLength);

        $timestamp = $record['datetime']->getTimestamp();

        $dataArray = [
            'token' => $this->token,
            'user' => $this->user,
            'message' => $message,
            'title' => $this->title,
            'timestamp' => $timestamp,
        ];

        if (isset($record['level']) && $record['level'] >= $this->emergencyLevel) {
            $dataArray['priority'] = 2;
            $dataArray['retry'] = $this->retry;
            $dataArray['expire'] = $this->expire;
        } elseif (isset($record['level']) && $record['level'] >= $this->highPriorityLevel) {
            $dataArray['priority'] = 1;
        }

        // First determine the available parameters
        $context = array_intersect_key($record['context'], $this->parameterNames);
        $extra = array_intersect_key($record['extra'], $this->parameterNames);

        // Least important info should be merged with subsequent info
        $dataArray = array_merge($extra, $context, $dataArray);

        // Only pass sounds that are supported by the API
        if (isset($dataArray['sound']) && !in_array($dataArray['sound'], $this->sounds)) {
            unset($dataArray['sound']);
        }

        return http_build_query($dataArray);
    }

    private function buildHeader(string $content): string
    {
        $header = "POST /1/messages.json HTTP/1.1\r\n";
        $header .= "Host: api.pushover.net\r\n";
        $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
        $header .= "Content-Length: " . strlen($content) . "\r\n";
        $header .= "\r\n";

        return $header;
    }

    protected function write(array $record): void
    {
        foreach ($this->users as $user) {
            $this->user = $user;

            parent::write($record);
            $this->closeSocket();
        }

        $this->user = null;
    }

    /**
     * @param int|string $value
     *
     * @phpstan-param Level|LevelName|LogLevel::* $value
     */
    public function setHighPriorityLevel($value): self
    {
        $this->highPriorityLevel = Logger::toMonologLevel($value);

        return $this;
    }

    /**
     * @param int|string $value
     *
     * @phpstan-param Level|LevelName|LogLevel::* $value
     */
    public function setEmergencyLevel($value): self
    {
        $this->emergencyLevel = Logger::toMonologLevel($value);

        return $this;
    }

    /**
     * Use the formatted message?
     */
    public function useFormattedMessage(bool $value): self
    {
        $this->useFormattedMessage = $value;

        return $this;
    }
}
PK     ÁˆU]r!ûlˆ	  ˆ	  9  vendor/monolog/monolog/src/Monolog/Handler/PsrHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Psr\Log\LoggerInterface;
use Monolog\Formatter\FormatterInterface;

/**
 * Proxies log messages to an existing PSR-3 compliant logger.
 *
 * If a formatter is configured, the formatter's output MUST be a string and the
 * formatted message will be fed to the wrapped PSR logger instead of the original
 * log record's message.
 *
 * @author Michael Moussa <michael.moussa@gmail.com>
 */
class PsrHandler extends AbstractHandler implements FormattableHandlerInterface
{
    /**
     * PSR-3 compliant logger
     *
     * @var LoggerInterface
     */
    protected $logger;

    /**
     * @var FormatterInterface|null
     */
    protected $formatter;

    /**
     * @param LoggerInterface $logger The underlying PSR-3 compliant logger to which messages will be proxied
     */
    public function __construct(LoggerInterface $logger, $level = Logger::DEBUG, bool $bubble = true)
    {
        parent::__construct($level, $bubble);

        $this->logger = $logger;
    }

    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if (!$this->isHandling($record)) {
            return false;
        }

        if ($this->formatter) {
            $formatted = $this->formatter->format($record);
            $this->logger->log(strtolower($record['level_name']), (string) $formatted, $record['context']);
        } else {
            $this->logger->log(strtolower($record['level_name']), $record['message'], $record['context']);
        }

        return false === $this->bubble;
    }

    /**
     * Sets the formatter.
     *
     * @param FormatterInterface $formatter
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        $this->formatter = $formatter;

        return $this;
    }

    /**
     * Gets the formatter.
     *
     * @return FormatterInterface
     */
    public function getFormatter(): FormatterInterface
    {
        if (!$this->formatter) {
            throw new \LogicException('No formatter has been set and this handler does not have a default formatter');
        }

        return $this->formatter;
    }
}
PK     ÁˆU]¬™¾  ¾  >  vendor/monolog/monolog/src/Monolog/Handler/FlowdockHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;
use Monolog\Formatter\FlowdockFormatter;
use Monolog\Formatter\FormatterInterface;

/**
 * Sends notifications through the Flowdock push API
 *
 * This must be configured with a FlowdockFormatter instance via setFormatter()
 *
 * Notes:
 * API token - Flowdock API token
 *
 * @author Dominik Liebler <liebler.dominik@gmail.com>
 * @see https://www.flowdock.com/api/push
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class FlowdockHandler extends SocketHandler
{
    /**
     * @var string
     */
    protected $apiToken;

    /**
     * @throws MissingExtensionException if OpenSSL is missing
     */
    public function __construct(
        string $apiToken,
        $level = Logger::DEBUG,
        bool $bubble = true,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        if (!extension_loaded('openssl')) {
            throw new MissingExtensionException('The OpenSSL PHP extension is required to use the FlowdockHandler');
        }

        parent::__construct(
            'ssl://api.flowdock.com:443',
            $level,
            $bubble,
            $persistent,
            $timeout,
            $writingTimeout,
            $connectionTimeout,
            $chunkSize
        );
        $this->apiToken = $apiToken;
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if (!$formatter instanceof FlowdockFormatter) {
            throw new \InvalidArgumentException('The FlowdockHandler requires an instance of Monolog\Formatter\FlowdockFormatter to function correctly');
        }

        return parent::setFormatter($formatter);
    }

    /**
     * Gets the default formatter.
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        throw new \InvalidArgumentException('The FlowdockHandler must be configured (via setFormatter) with an instance of Monolog\Formatter\FlowdockFormatter to function correctly');
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        parent::write($record);

        $this->closeSocket();
    }

    /**
     * {@inheritDoc}
     */
    protected function generateDataStream(array $record): string
    {
        $content = $this->buildContent($record);

        return $this->buildHeader($content) . $content;
    }

    /**
     * Builds the body of API call
     *
     * @phpstan-param FormattedRecord $record
     */
    private function buildContent(array $record): string
    {
        return Utils::jsonEncode($record['formatted']['flowdock']);
    }

    /**
     * Builds the header of the API Call
     */
    private function buildHeader(string $content): string
    {
        $header = "POST /v1/messages/team_inbox/" . $this->apiToken . " HTTP/1.1\r\n";
        $header .= "Host: api.flowdock.com\r\n";
        $header .= "Content-Type: application/json\r\n";
        $header .= "Content-Length: " . strlen($content) . "\r\n";
        $header .= "\r\n";

        return $header;
    }
}
PK     ÁˆU]qíÔá	  	  <  vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Utils;

/**
 * Stores to any stream resource
 *
 * Can be used to store into php://stderr, remote and local files, etc.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class StreamHandler extends AbstractProcessingHandler
{
    /** @const int */
    protected const MAX_CHUNK_SIZE = 2147483647;
    /** @const int 10MB */
    protected const DEFAULT_CHUNK_SIZE = 10 * 1024 * 1024;
    /** @var int */
    protected $streamChunkSize;
    /** @var resource|null */
    protected $stream;
    /** @var ?string */
    protected $url = null;
    /** @var ?string */
    private $errorMessage = null;
    /** @var ?int */
    protected $filePermission;
    /** @var bool */
    protected $useLocking;
    /** @var true|null */
    private $dirCreated = null;

    /**
     * @param resource|string $stream         If a missing path can't be created, an UnexpectedValueException will be thrown on first write
     * @param int|null        $filePermission Optional file permissions (default (0644) are only for owner read/write)
     * @param bool            $useLocking     Try to lock log file before doing any writes
     *
     * @throws \InvalidArgumentException If stream is not a resource or string
     */
    public function __construct($stream, $level = Logger::DEBUG, bool $bubble = true, ?int $filePermission = null, bool $useLocking = false)
    {
        parent::__construct($level, $bubble);

        if (($phpMemoryLimit = Utils::expandIniShorthandBytes(ini_get('memory_limit'))) !== false) {
            if ($phpMemoryLimit > 0) {
                // use max 10% of allowed memory for the chunk size, and at least 100KB
                $this->streamChunkSize = min(static::MAX_CHUNK_SIZE, max((int) ($phpMemoryLimit / 10), 100 * 1024));
            } else {
                // memory is unlimited, set to the default 10MB
                $this->streamChunkSize = static::DEFAULT_CHUNK_SIZE;
            }
        } else {
            // no memory limit information, set to the default 10MB
            $this->streamChunkSize = static::DEFAULT_CHUNK_SIZE;
        }

        if (is_resource($stream)) {
            $this->stream = $stream;

            stream_set_chunk_size($this->stream, $this->streamChunkSize);
        } elseif (is_string($stream)) {
            $this->url = Utils::canonicalizePath($stream);
        } else {
            throw new \InvalidArgumentException('A stream must either be a resource or a string.');
        }

        $this->filePermission = $filePermission;
        $this->useLocking = $useLocking;
    }

    /**
     * {@inheritDoc}
     */
    public function close(): void
    {
        if ($this->url && is_resource($this->stream)) {
            fclose($this->stream);
        }
        $this->stream = null;
        $this->dirCreated = null;
    }

    /**
     * Return the currently active stream if it is open
     *
     * @return resource|null
     */
    public function getStream()
    {
        return $this->stream;
    }

    /**
     * Return the stream URL if it was configured with a URL and not an active resource
     *
     * @return string|null
     */
    public function getUrl(): ?string
    {
        return $this->url;
    }

    /**
     * @return int
     */
    public function getStreamChunkSize(): int
    {
        return $this->streamChunkSize;
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!is_resource($this->stream)) {
            $url = $this->url;
            if (null === $url || '' === $url) {
                throw new \LogicException('Missing stream url, the stream can not be opened. This may be caused by a premature call to close().' . Utils::getRecordMessageForException($record));
            }
            $this->createDir($url);
            $this->errorMessage = null;
            set_error_handler([$this, 'customErrorHandler']);
            $stream = fopen($url, 'a');
            if ($this->filePermission !== null) {
                @chmod($url, $this->filePermission);
            }
            restore_error_handler();
            if (!is_resource($stream)) {
                $this->stream = null;

                throw new \UnexpectedValueException(sprintf('The stream or file "%s" could not be opened in append mode: '.$this->errorMessage, $url) . Utils::getRecordMessageForException($record));
            }
            stream_set_chunk_size($stream, $this->streamChunkSize);
            $this->stream = $stream;
        }

        $stream = $this->stream;
        if (!is_resource($stream)) {
            throw new \LogicException('No stream was opened yet' . Utils::getRecordMessageForException($record));
        }

        if ($this->useLocking) {
            // ignoring errors here, there's not much we can do about them
            flock($stream, LOCK_EX);
        }

        $this->streamWrite($stream, $record);

        if ($this->useLocking) {
            flock($stream, LOCK_UN);
        }
    }

    /**
     * Write to stream
     * @param resource $stream
     * @param array    $record
     *
     * @phpstan-param FormattedRecord $record
     */
    protected function streamWrite($stream, array $record): void
    {
        fwrite($stream, (string) $record['formatted']);
    }

    private function customErrorHandler(int $code, string $msg): bool
    {
        $this->errorMessage = preg_replace('{^(fopen|mkdir)\(.*?\): }', '', $msg);

        return true;
    }

    private function getDirFromStream(string $stream): ?string
    {
        $pos = strpos($stream, '://');
        if ($pos === false) {
            return dirname($stream);
        }

        if ('file://' === substr($stream, 0, 7)) {
            return dirname(substr($stream, 7));
        }

        return null;
    }

    private function createDir(string $url): void
    {
        // Do not try to create dir if it has already been tried.
        if ($this->dirCreated) {
            return;
        }

        $dir = $this->getDirFromStream($url);
        if (null !== $dir && !is_dir($dir)) {
            $this->errorMessage = null;
            set_error_handler([$this, 'customErrorHandler']);
            $status = mkdir($dir, 0777, true);
            restore_error_handler();
            if (false === $status && !is_dir($dir)) {
                throw new \UnexpectedValueException(sprintf('There is no existing directory at "%s" and it could not be created: '.$this->errorMessage, $dir));
            }
        }
        $this->dirCreated = true;
    }
}
PK     ÁˆU]•Nd  d  :  vendor/monolog/monolog/src/Monolog/Handler/AmqpHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\JsonFormatter;
use PhpAmqpLib\Message\AMQPMessage;
use PhpAmqpLib\Channel\AMQPChannel;
use AMQPExchange;

/**
 * @phpstan-import-type Record from \Monolog\Logger
 */
class AmqpHandler extends AbstractProcessingHandler
{
    /**
     * @var AMQPExchange|AMQPChannel $exchange
     */
    protected $exchange;

    /**
     * @var string
     */
    protected $exchangeName;

    /**
     * @param AMQPExchange|AMQPChannel $exchange     AMQPExchange (php AMQP ext) or PHP AMQP lib channel, ready for use
     * @param string|null              $exchangeName Optional exchange name, for AMQPChannel (PhpAmqpLib) only
     */
    public function __construct($exchange, ?string $exchangeName = null, $level = Logger::DEBUG, bool $bubble = true)
    {
        if ($exchange instanceof AMQPChannel) {
            $this->exchangeName = (string) $exchangeName;
        } elseif (!$exchange instanceof AMQPExchange) {
            throw new \InvalidArgumentException('PhpAmqpLib\Channel\AMQPChannel or AMQPExchange instance required');
        } elseif ($exchangeName) {
            @trigger_error('The $exchangeName parameter can only be passed when using PhpAmqpLib, if using an AMQPExchange instance configure it beforehand', E_USER_DEPRECATED);
        }
        $this->exchange = $exchange;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $data = $record["formatted"];
        $routingKey = $this->getRoutingKey($record);

        if ($this->exchange instanceof AMQPExchange) {
            $this->exchange->publish(
                $data,
                $routingKey,
                0,
                [
                    'delivery_mode' => 2,
                    'content_type' => 'application/json',
                ]
            );
        } else {
            $this->exchange->basic_publish(
                $this->createAmqpMessage($data),
                $this->exchangeName,
                $routingKey
            );
        }
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        if ($this->exchange instanceof AMQPExchange) {
            parent::handleBatch($records);

            return;
        }

        foreach ($records as $record) {
            if (!$this->isHandling($record)) {
                continue;
            }

            /** @var Record $record */
            $record = $this->processRecord($record);
            $data = $this->getFormatter()->format($record);

            $this->exchange->batch_basic_publish(
                $this->createAmqpMessage($data),
                $this->exchangeName,
                $this->getRoutingKey($record)
            );
        }

        $this->exchange->publish_batch();
    }

    /**
     * Gets the routing key for the AMQP exchange
     *
     * @phpstan-param Record $record
     */
    protected function getRoutingKey(array $record): string
    {
        $routingKey = sprintf('%s.%s', $record['level_name'], $record['channel']);

        return strtolower($routingKey);
    }

    private function createAmqpMessage(string $data): AMQPMessage
    {
        return new AMQPMessage(
            $data,
            [
                'delivery_mode' => 2,
                'content_type' => 'application/json',
            ]
        );
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new JsonFormatter(JsonFormatter::BATCH_MODE_JSON, false);
    }
}
PK     ÁˆU]4ÆŒLÞ   Þ   A  vendor/monolog/monolog/src/Monolog/Handler/TelegramBotHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use RuntimeException;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Handler send logs to Telegram using Telegram Bot API.
 *
 * How to use:
 *  1) Create telegram bot with https://telegram.me/BotFather
 *  2) Create a telegram channel where logs will be recorded.
 *  3) Add created bot from step 1 to the created channel from step 2.
 *
 * Use telegram bot API key from step 1 and channel name with '@' prefix from step 2 to create instance of TelegramBotHandler
 *
 * @link https://core.telegram.org/bots/api
 *
 * @author Mazur Alexandr <alexandrmazur96@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class TelegramBotHandler extends AbstractProcessingHandler
{
    private const BOT_API = 'https://api.telegram.org/bot';

    /**
     * The available values of parseMode according to the Telegram api documentation
     */
    private const AVAILABLE_PARSE_MODES = [
        'HTML',
        'MarkdownV2',
        'Markdown', // legacy mode without underline and strikethrough, use MarkdownV2 instead
    ];

    /**
     * The maximum number of characters allowed in a message according to the Telegram api documentation
     */
    private const MAX_MESSAGE_LENGTH = 4096;

    /**
     * Telegram bot access token provided by BotFather.
     * Create telegram bot with https://telegram.me/BotFather and use access token from it.
     * @var string
     */
    private $apiKey;

    /**
     * Telegram channel name.
     * Since to start with '@' symbol as prefix.
     * @var string
     */
    private $channel;

    /**
     * The kind of formatting that is used for the message.
     * See available options at https://core.telegram.org/bots/api#formatting-options
     * or in AVAILABLE_PARSE_MODES
     * @var ?string
     */
    private $parseMode;

    /**
     * Disables link previews for links in the message.
     * @var ?bool
     */
    private $disableWebPagePreview;

    /**
     * Sends the message silently. Users will receive a notification with no sound.
     * @var ?bool
     */
    private $disableNotification;

    /**
     * True - split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages.
     * False - truncates a message that is too long.
     * @var bool
     */
    private $splitLongMessages;

    /**
     * Adds 1-second delay between sending a split message (according to Telegram API to avoid 429 Too Many Requests).
     * @var bool
     */
    private $delayBetweenMessages;

    /**
     * @param string $apiKey Telegram bot access token provided by BotFather
     * @param string $channel Telegram channel name
     * @param bool $splitLongMessages Split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages
     * @param bool $delayBetweenMessages Adds delay between sending a split message according to Telegram API
     * @throws MissingExtensionException
     */
    public function __construct(
        string $apiKey,
        string $channel,
               $level = Logger::DEBUG,
        bool   $bubble = true,
        string $parseMode = null,
        bool   $disableWebPagePreview = null,
        bool   $disableNotification = null,
        bool   $splitLongMessages = false,
        bool   $delayBetweenMessages = false
    )
    {
        if (!extension_loaded('curl')) {
            throw new MissingExtensionException('The curl extension is needed to use the TelegramBotHandler');
        }

        parent::__construct($level, $bubble);

        $this->apiKey = $apiKey;
        $this->channel = $channel;
        $this->setParseMode($parseMode);
        $this->disableWebPagePreview($disableWebPagePreview);
        $this->disableNotification($disableNotification);
        $this->splitLongMessages($splitLongMessages);
        $this->delayBetweenMessages($delayBetweenMessages);
    }

    public function setParseMode(string $parseMode = null): self
    {
        if ($parseMode !== null && !in_array($parseMode, self::AVAILABLE_PARSE_MODES)) {
            throw new \InvalidArgumentException('Unknown parseMode, use one of these: ' . implode(', ', self::AVAILABLE_PARSE_MODES) . '.');
        }

        $this->parseMode = $parseMode;

        return $this;
    }

    public function disableWebPagePreview(bool $disableWebPagePreview = null): self
    {
        $this->disableWebPagePreview = $disableWebPagePreview;

        return $this;
    }

    public function disableNotification(bool $disableNotification = null): self
    {
        $this->disableNotification = $disableNotification;

        return $this;
    }

    /**
     * True - split a message longer than MAX_MESSAGE_LENGTH into parts and send in multiple messages.
     * False - truncates a message that is too long.
     * @param bool $splitLongMessages
     * @return $this
     */
    public function splitLongMessages(bool $splitLongMessages = false): self
    {
        $this->splitLongMessages = $splitLongMessages;

        return $this;
    }

    /**
     * Adds 1-second delay between sending a split message (according to Telegram API to avoid 429 Too Many Requests).
     * @param bool $delayBetweenMessages
     * @return $this
     */
    public function delayBetweenMessages(bool $delayBetweenMessages = false): self
    {
        $this->delayBetweenMessages = $delayBetweenMessages;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        /** @var Record[] $messages */
        $messages = [];

        foreach ($records as $record) {
            if (!$this->isHandling($record)) {
                continue;
            }

            if ($this->processors) {
                /** @var Record $record */
                $record = $this->processRecord($record);
            }

            $messages[] = $record;
        }

        if (!empty($messages)) {
            $this->send((string)$this->getFormatter()->formatBatch($messages));
        }
    }

    /**
     * @inheritDoc
     */
    protected function write(array $record): void
    {
        $this->send($record['formatted']);
    }

    /**
     * Send request to @link https://api.telegram.org/bot on SendMessage action.
     * @param string $message
     */
    protected function send(string $message): void
    {
        $messages = $this->handleMessageLength($message);

        foreach ($messages as $key => $msg) {
            if ($this->delayBetweenMessages && $key > 0) {
                sleep(1);
            }

            $this->sendCurl($msg);
        }
    }

    protected function sendCurl(string $message): void
    {
        $ch = curl_init();
        $url = self::BOT_API . $this->apiKey . '/SendMessage';
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query([
            'text' => $message,
            'chat_id' => $this->channel,
            'parse_mode' => $this->parseMode,
            'disable_web_page_preview' => $this->disableWebPagePreview,
            'disable_notification' => $this->disableNotification,
        ]));

        $result = Curl\Util::execute($ch);
        if (!is_string($result)) {
            throw new RuntimeException('Telegram API error. Description: No response');
        }
        $result = json_decode($result, true);

        if ($result['ok'] === false) {
            throw new RuntimeException('Telegram API error. Description: ' . $result['description']);
        }
    }

    /**
     * Handle a message that is too long: truncates or splits into several
     * @param string $message
     * @return string[]
     */
    private function handleMessageLength(string $message): array
    {
        $truncatedMarker = ' (...truncated)';
        if (!$this->splitLongMessages && strlen($message) > self::MAX_MESSAGE_LENGTH) {
            return [Utils::substr($message, 0, self::MAX_MESSAGE_LENGTH - strlen($truncatedMarker)) . $truncatedMarker];
        }

        return str_split($message, self::MAX_MESSAGE_LENGTH);
    }
}
PK     ÁˆU]?Ýp#û/  û/  <  vendor/monolog/monolog/src/Monolog/Handler/SocketHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;

/**
 * Stores to any socket - uses fsockopen() or pfsockopen().
 *
 * @author Pablo de Leon Belloc <pablolb@gmail.com>
 * @see    http://php.net/manual/en/function.fsockopen.php
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class SocketHandler extends AbstractProcessingHandler
{
    /** @var string */
    private $connectionString;
    /** @var float */
    private $connectionTimeout;
    /** @var resource|null */
    private $resource;
    /** @var float */
    private $timeout;
    /** @var float */
    private $writingTimeout;
    /** @var ?int */
    private $lastSentBytes = null;
    /** @var ?int */
    private $chunkSize;
    /** @var bool */
    private $persistent;
    /** @var ?int */
    private $errno = null;
    /** @var ?string */
    private $errstr = null;
    /** @var ?float */
    private $lastWritingAt = null;

    /**
     * @param string     $connectionString  Socket connection string
     * @param bool       $persistent        Flag to enable/disable persistent connections
     * @param float      $timeout           Socket timeout to wait until the request is being aborted
     * @param float      $writingTimeout    Socket timeout to wait until the request should've been sent/written
     * @param float|null $connectionTimeout Socket connect timeout to wait until the connection should've been
     *                                      established
     * @param int|null   $chunkSize         Sets the chunk size. Only has effect during connection in the writing cycle
     *
     * @throws \InvalidArgumentException    If an invalid timeout value (less than 0) is passed.
     */
    public function __construct(
        string $connectionString,
        $level = Logger::DEBUG,
        bool $bubble = true,
        bool $persistent = false,
        float $timeout = 0.0,
        float $writingTimeout = 10.0,
        ?float $connectionTimeout = null,
        ?int $chunkSize = null
    ) {
        parent::__construct($level, $bubble);
        $this->connectionString = $connectionString;

        if ($connectionTimeout !== null) {
            $this->validateTimeout($connectionTimeout);
        }

        $this->connectionTimeout = $connectionTimeout ?? (float) ini_get('default_socket_timeout');
        $this->persistent = $persistent;
        $this->validateTimeout($timeout);
        $this->timeout = $timeout;
        $this->validateTimeout($writingTimeout);
        $this->writingTimeout = $writingTimeout;
        $this->chunkSize = $chunkSize;
    }

    /**
     * Connect (if necessary) and write to the socket
     *
     * {@inheritDoc}
     *
     * @throws \UnexpectedValueException
     * @throws \RuntimeException
     */
    protected function write(array $record): void
    {
        $this->connectIfNotConnected();
        $data = $this->generateDataStream($record);
        $this->writeToSocket($data);
    }

    /**
     * We will not close a PersistentSocket instance so it can be reused in other requests.
     */
    public function close(): void
    {
        if (!$this->isPersistent()) {
            $this->closeSocket();
        }
    }

    /**
     * Close socket, if open
     */
    public function closeSocket(): void
    {
        if (is_resource($this->resource)) {
            fclose($this->resource);
            $this->resource = null;
        }
    }

    /**
     * Set socket connection to be persistent. It only has effect before the connection is initiated.
     */
    public function setPersistent(bool $persistent): self
    {
        $this->persistent = $persistent;

        return $this;
    }

    /**
     * Set connection timeout.  Only has effect before we connect.
     *
     * @see http://php.net/manual/en/function.fsockopen.php
     */
    public function setConnectionTimeout(float $seconds): self
    {
        $this->validateTimeout($seconds);
        $this->connectionTimeout = $seconds;

        return $this;
    }

    /**
     * Set write timeout. Only has effect before we connect.
     *
     * @see http://php.net/manual/en/function.stream-set-timeout.php
     */
    public function setTimeout(float $seconds): self
    {
        $this->validateTimeout($seconds);
        $this->timeout = $seconds;

        return $this;
    }

    /**
     * Set writing timeout. Only has effect during connection in the writing cycle.
     *
     * @param float $seconds 0 for no timeout
     */
    public function setWritingTimeout(float $seconds): self
    {
        $this->validateTimeout($seconds);
        $this->writingTimeout = $seconds;

        return $this;
    }

    /**
     * Set chunk size. Only has effect during connection in the writing cycle.
     */
    public function setChunkSize(int $bytes): self
    {
        $this->chunkSize = $bytes;

        return $this;
    }

    /**
     * Get current connection string
     */
    public function getConnectionString(): string
    {
        return $this->connectionString;
    }

    /**
     * Get persistent setting
     */
    public function isPersistent(): bool
    {
        return $this->persistent;
    }

    /**
     * Get current connection timeout setting
     */
    public function getConnectionTimeout(): float
    {
        return $this->connectionTimeout;
    }

    /**
     * Get current in-transfer timeout
     */
    public function getTimeout(): float
    {
        return $this->timeout;
    }

    /**
     * Get current local writing timeout
     *
     * @return float
     */
    public function getWritingTimeout(): float
    {
        return $this->writingTimeout;
    }

    /**
     * Get current chunk size
     */
    public function getChunkSize(): ?int
    {
        return $this->chunkSize;
    }

    /**
     * Check to see if the socket is currently available.
     *
     * UDP might appear to be connected but might fail when writing.  See http://php.net/fsockopen for details.
     */
    public function isConnected(): bool
    {
        return is_resource($this->resource)
            && !feof($this->resource);  // on TCP - other party can close connection.
    }

    /**
     * Wrapper to allow mocking
     *
     * @return resource|false
     */
    protected function pfsockopen()
    {
        return @pfsockopen($this->connectionString, -1, $this->errno, $this->errstr, $this->connectionTimeout);
    }

    /**
     * Wrapper to allow mocking
     *
     * @return resource|false
     */
    protected function fsockopen()
    {
        return @fsockopen($this->connectionString, -1, $this->errno, $this->errstr, $this->connectionTimeout);
    }

    /**
     * Wrapper to allow mocking
     *
     * @see http://php.net/manual/en/function.stream-set-timeout.php
     *
     * @return bool
     */
    protected function streamSetTimeout()
    {
        $seconds = floor($this->timeout);
        $microseconds = round(($this->timeout - $seconds) * 1e6);

        if (!is_resource($this->resource)) {
            throw new \LogicException('streamSetTimeout called but $this->resource is not a resource');
        }

        return stream_set_timeout($this->resource, (int) $seconds, (int) $microseconds);
    }

    /**
     * Wrapper to allow mocking
     *
     * @see http://php.net/manual/en/function.stream-set-chunk-size.php
     *
     * @return int|bool
     */
    protected function streamSetChunkSize()
    {
        if (!is_resource($this->resource)) {
            throw new \LogicException('streamSetChunkSize called but $this->resource is not a resource');
        }

        if (null === $this->chunkSize) {
            throw new \LogicException('streamSetChunkSize called but $this->chunkSize is not set');
        }

        return stream_set_chunk_size($this->resource, $this->chunkSize);
    }

    /**
     * Wrapper to allow mocking
     *
     * @return int|bool
     */
    protected function fwrite(string $data)
    {
        if (!is_resource($this->resource)) {
            throw new \LogicException('fwrite called but $this->resource is not a resource');
        }

        return @fwrite($this->resource, $data);
    }

    /**
     * Wrapper to allow mocking
     *
     * @return mixed[]|bool
     */
    protected function streamGetMetadata()
    {
        if (!is_resource($this->resource)) {
            throw new \LogicException('streamGetMetadata called but $this->resource is not a resource');
        }

        return stream_get_meta_data($this->resource);
    }

    private function validateTimeout(float $value): void
    {
        if ($value < 0) {
            throw new \InvalidArgumentException("Timeout must be 0 or a positive float (got $value)");
        }
    }

    private function connectIfNotConnected(): void
    {
        if ($this->isConnected()) {
            return;
        }
        $this->connect();
    }

    /**
     * @phpstan-param FormattedRecord $record
     */
    protected function generateDataStream(array $record): string
    {
        return (string) $record['formatted'];
    }

    /**
     * @return resource|null
     */
    protected function getResource()
    {
        return $this->resource;
    }

    private function connect(): void
    {
        $this->createSocketResource();
        $this->setSocketTimeout();
        $this->setStreamChunkSize();
    }

    private function createSocketResource(): void
    {
        if ($this->isPersistent()) {
            $resource = $this->pfsockopen();
        } else {
            $resource = $this->fsockopen();
        }
        if (is_bool($resource)) {
            throw new \UnexpectedValueException("Failed connecting to $this->connectionString ($this->errno: $this->errstr)");
        }
        $this->resource = $resource;
    }

    private function setSocketTimeout(): void
    {
        if (!$this->streamSetTimeout()) {
            throw new \UnexpectedValueException("Failed setting timeout with stream_set_timeout()");
        }
    }

    private function setStreamChunkSize(): void
    {
        if ($this->chunkSize && !$this->streamSetChunkSize()) {
            throw new \UnexpectedValueException("Failed setting chunk size with stream_set_chunk_size()");
        }
    }

    private function writeToSocket(string $data): void
    {
        $length = strlen($data);
        $sent = 0;
        $this->lastSentBytes = $sent;
        while ($this->isConnected() && $sent < $length) {
            if (0 == $sent) {
                $chunk = $this->fwrite($data);
            } else {
                $chunk = $this->fwrite(substr($data, $sent));
            }
            if ($chunk === false) {
                throw new \RuntimeException("Could not write to socket");
            }
            $sent += $chunk;
            $socketInfo = $this->streamGetMetadata();
            if (is_array($socketInfo) && $socketInfo['timed_out']) {
                throw new \RuntimeException("Write timed-out");
            }

            if ($this->writingIsTimedOut($sent)) {
                throw new \RuntimeException("Write timed-out, no data sent for `{$this->writingTimeout}` seconds, probably we got disconnected (sent $sent of $length)");
            }
        }
        if (!$this->isConnected() && $sent < $length) {
            throw new \RuntimeException("End-of-file reached, probably we got disconnected (sent $sent of $length)");
        }
    }

    private function writingIsTimedOut(int $sent): bool
    {
        // convert to ms
        if (0.0 == $this->writingTimeout) {
            return false;
        }

        if ($sent !== $this->lastSentBytes) {
            $this->lastWritingAt = microtime(true);
            $this->lastSentBytes = $sent;

            return false;
        } else {
            usleep(100);
        }

        if ((microtime(true) - $this->lastWritingAt) >= $this->writingTimeout) {
            $this->closeSocket();

            return true;
        }

        return false;
    }
}
PK     ÂˆU]Ç=ÚA  A  A  vendor/monolog/monolog/src/Monolog/Handler/ZendMonitorHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\NormalizerFormatter;
use Monolog\Logger;

/**
 * Handler sending logs to Zend Monitor
 *
 * @author  Christian Bergau <cbergau86@gmail.com>
 * @author  Jason Davis <happydude@jasondavis.net>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class ZendMonitorHandler extends AbstractProcessingHandler
{
    /**
     * Monolog level / ZendMonitor Custom Event priority map
     *
     * @var array<int, int>
     */
    protected $levelMap = [];

    /**
     * @throws MissingExtensionException
     */
    public function __construct($level = Logger::DEBUG, bool $bubble = true)
    {
        if (!function_exists('zend_monitor_custom_event')) {
            throw new MissingExtensionException(
                'You must have Zend Server installed with Zend Monitor enabled in order to use this handler'
            );
        }
        //zend monitor constants are not defined if zend monitor is not enabled.
        $this->levelMap = [
            Logger::DEBUG     => \ZEND_MONITOR_EVENT_SEVERITY_INFO,
            Logger::INFO      => \ZEND_MONITOR_EVENT_SEVERITY_INFO,
            Logger::NOTICE    => \ZEND_MONITOR_EVENT_SEVERITY_INFO,
            Logger::WARNING   => \ZEND_MONITOR_EVENT_SEVERITY_WARNING,
            Logger::ERROR     => \ZEND_MONITOR_EVENT_SEVERITY_ERROR,
            Logger::CRITICAL  => \ZEND_MONITOR_EVENT_SEVERITY_ERROR,
            Logger::ALERT     => \ZEND_MONITOR_EVENT_SEVERITY_ERROR,
            Logger::EMERGENCY => \ZEND_MONITOR_EVENT_SEVERITY_ERROR,
        ];
        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->writeZendMonitorCustomEvent(
            Logger::getLevelName($record['level']),
            $record['message'],
            $record['formatted'],
            $this->levelMap[$record['level']]
        );
    }

    /**
     * Write to Zend Monitor Events
     * @param string $type      Text displayed in "Class Name (custom)" field
     * @param string $message   Text displayed in "Error String"
     * @param array  $formatted Displayed in Custom Variables tab
     * @param int    $severity  Set the event severity level (-1,0,1)
     *
     * @phpstan-param FormattedRecord $formatted
     */
    protected function writeZendMonitorCustomEvent(string $type, string $message, array $formatted, int $severity): void
    {
        zend_monitor_custom_event($type, $message, $formatted, $severity);
    }

    /**
     * {@inheritDoc}
     */
    public function getDefaultFormatter(): FormatterInterface
    {
        return new NormalizerFormatter();
    }

    /**
     * @return array<int, int>
     */
    public function getLevelMap(): array
    {
        return $this->levelMap;
    }
}
PK     ÂˆU]Ÿç­
  
  >  vendor/monolog/monolog/src/Monolog/Handler/ErrorLogHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\LineFormatter;
use Monolog\Formatter\FormatterInterface;
use Monolog\Logger;
use Monolog\Utils;

/**
 * Stores to PHP error_log() handler.
 *
 * @author Elan RuusamÃ¤e <glen@delfi.ee>
 */
class ErrorLogHandler extends AbstractProcessingHandler
{
    public const OPERATING_SYSTEM = 0;
    public const SAPI = 4;

    /** @var int */
    protected $messageType;
    /** @var bool */
    protected $expandNewlines;

    /**
     * @param int  $messageType    Says where the error should go.
     * @param bool $expandNewlines If set to true, newlines in the message will be expanded to be take multiple log entries
     */
    public function __construct(int $messageType = self::OPERATING_SYSTEM, $level = Logger::DEBUG, bool $bubble = true, bool $expandNewlines = false)
    {
        parent::__construct($level, $bubble);

        if (false === in_array($messageType, self::getAvailableTypes(), true)) {
            $message = sprintf('The given message type "%s" is not supported', print_r($messageType, true));

            throw new \InvalidArgumentException($message);
        }

        $this->messageType = $messageType;
        $this->expandNewlines = $expandNewlines;
    }

    /**
     * @return int[] With all available types
     */
    public static function getAvailableTypes(): array
    {
        return [
            self::OPERATING_SYSTEM,
            self::SAPI,
        ];
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter('[%datetime%] %channel%.%level_name%: %message% %context% %extra%');
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if (!$this->expandNewlines) {
            error_log((string) $record['formatted'], $this->messageType);

            return;
        }

        $lines = preg_split('{[\r\n]+}', (string) $record['formatted']);
        if ($lines === false) {
            $pcreErrorCode = preg_last_error();
            throw new \RuntimeException('Failed to preg_split formatted string: ' . $pcreErrorCode . ' / '. Utils::pcreLastErrorMessage($pcreErrorCode));
        }
        foreach ($lines as $line) {
            error_log($line, $this->messageType);
        }
    }
}
PK     ÂˆU]èœV…  …  F  vendor/monolog/monolog/src/Monolog/Handler/WhatFailureGroupHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

/**
 * Forwards records to multiple handlers suppressing failures of each handler
 * and continuing through to give every handler a chance to succeed.
 *
 * @author Craig D'Amelio <craig@damelio.ca>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class WhatFailureGroupHandler extends GroupHandler
{
    /**
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($this->processors) {
            /** @var Record $record */
            $record = $this->processRecord($record);
        }

        foreach ($this->handlers as $handler) {
            try {
                $handler->handle($record);
            } catch (\Throwable $e) {
                // What failure?
            }
        }

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        if ($this->processors) {
            $processed = array();
            foreach ($records as $record) {
                $processed[] = $this->processRecord($record);
            }
            /** @var Record[] $records */
            $records = $processed;
        }

        foreach ($this->handlers as $handler) {
            try {
                $handler->handleBatch($records);
            } catch (\Throwable $e) {
                // What failure?
            }
        }
    }
}
PK     ÂˆU]€y`‡    F  vendor/monolog/monolog/src/Monolog/Handler/FormattableHandlerTrait.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;

/**
 * Helper trait for implementing FormattableInterface
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
trait FormattableHandlerTrait
{
    /**
     * @var ?FormatterInterface
     */
    protected $formatter;

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        $this->formatter = $formatter;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        if (!$this->formatter) {
            $this->formatter = $this->getDefaultFormatter();
        }

        return $this->formatter;
    }

    /**
     * Gets the default formatter.
     *
     * Overwrite this if the LineFormatter is not a good default for your handler.
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter();
    }
}
PK     ÂˆU]ôwíw%	  %	  :  vendor/monolog/monolog/src/Monolog/Handler/MailHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\HtmlFormatter;

/**
 * Base class for all mail handlers
 *
 * @author Gyula Sallai
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
abstract class MailHandler extends AbstractProcessingHandler
{
    /**
     * {@inheritDoc}
     */
    public function handleBatch(array $records): void
    {
        $messages = [];

        foreach ($records as $record) {
            if ($record['level'] < $this->level) {
                continue;
            }
            /** @var Record $message */
            $message = $this->processRecord($record);
            $messages[] = $message;
        }

        if (!empty($messages)) {
            $this->send((string) $this->getFormatter()->formatBatch($messages), $messages);
        }
    }

    /**
     * Send a mail with the given content
     *
     * @param string $content formatted email body to be sent
     * @param array  $records the array of log records that formed this content
     *
     * @phpstan-param Record[] $records
     */
    abstract protected function send(string $content, array $records): void;

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        $this->send((string) $record['formatted'], [$record]);
    }

    /**
     * @phpstan-param non-empty-array<Record> $records
     * @phpstan-return Record
     */
    protected function getHighestRecord(array $records): array
    {
        $highestRecord = null;
        foreach ($records as $record) {
            if ($highestRecord === null || $highestRecord['level'] < $record['level']) {
                $highestRecord = $record;
            }
        }

        return $highestRecord;
    }

    protected function isHtmlBody(string $body): bool
    {
        return ($body[0] ?? null) === '<';
    }

    /**
     * Gets the default formatter.
     *
     * @return FormatterInterface
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new HtmlFormatter();
    }
}
PK     ÂˆU]Óf&ïœ	  œ	  \  vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ChannelLevelActivationStrategy.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\FingersCrossed;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Channel and Error level based monolog activation strategy. Allows to trigger activation
 * based on level per channel. e.g. trigger activation on level 'ERROR' by default, except
 * for records of the 'sql' channel; those should trigger activation on level 'WARN'.
 *
 * Example:
 *
 * <code>
 *   $activationStrategy = new ChannelLevelActivationStrategy(
 *       Logger::CRITICAL,
 *       array(
 *           'request' => Logger::ALERT,
 *           'sensitive' => Logger::ERROR,
 *       )
 *   );
 *   $handler = new FingersCrossedHandler(new StreamHandler('php://stderr'), $activationStrategy);
 * </code>
 *
 * @author Mike Meessen <netmikey@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class ChannelLevelActivationStrategy implements ActivationStrategyInterface
{
    /**
     * @var Level
     */
    private $defaultActionLevel;

    /**
     * @var array<string, Level>
     */
    private $channelToActionLevel;

    /**
     * @param int|string         $defaultActionLevel   The default action level to be used if the record's category doesn't match any
     * @param array<string, int> $channelToActionLevel An array that maps channel names to action levels.
     *
     * @phpstan-param array<string, Level>        $channelToActionLevel
     * @phpstan-param Level|LevelName|LogLevel::* $defaultActionLevel
     */
    public function __construct($defaultActionLevel, array $channelToActionLevel = [])
    {
        $this->defaultActionLevel = Logger::toMonologLevel($defaultActionLevel);
        $this->channelToActionLevel = array_map('Monolog\Logger::toMonologLevel', $channelToActionLevel);
    }

    /**
     * @phpstan-param Record $record
     */
    public function isHandlerActivated(array $record): bool
    {
        if (isset($this->channelToActionLevel[$record['channel']])) {
            return $record['level'] >= $this->channelToActionLevel[$record['channel']];
        }

        return $record['level'] >= $this->defaultActionLevel;
    }
}
PK     ÂˆU]0‹CÐ  Ð  Y  vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ActivationStrategyInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\FingersCrossed;

/**
 * Interface for activation strategies for the FingersCrossedHandler.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
interface ActivationStrategyInterface
{
    /**
     * Returns whether the given record activates the handler.
     *
     * @phpstan-param Record $record
     */
    public function isHandlerActivated(array $record): bool;
}
PK     ÂˆU]—D?N  N  Z  vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ErrorLevelActivationStrategy.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler\FingersCrossed;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Error level based activation strategy.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class ErrorLevelActivationStrategy implements ActivationStrategyInterface
{
    /**
     * @var Level
     */
    private $actionLevel;

    /**
     * @param int|string $actionLevel Level or name or value
     *
     * @phpstan-param Level|LevelName|LogLevel::* $actionLevel
     */
    public function __construct($actionLevel)
    {
        $this->actionLevel = Logger::toMonologLevel($actionLevel);
    }

    public function isHandlerActivated(array $record): bool
    {
        return $record['level'] >= $this->actionLevel;
    }
}
PK     ÂˆU]'dxÊ##  ##  D  vendor/monolog/monolog/src/Monolog/Handler/BrowserConsoleHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Monolog\Utils;

use function count;
use function headers_list;
use function stripos;
use function trigger_error;

use const E_USER_DEPRECATED;

/**
 * Handler sending logs to browser's javascript console with no browser extension required
 *
 * @author Olivier Poitrey <rs@dailymotion.com>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class BrowserConsoleHandler extends AbstractProcessingHandler
{
    /** @var bool */
    protected static $initialized = false;
    /** @var FormattedRecord[] */
    protected static $records = [];

    protected const FORMAT_HTML = 'html';
    protected const FORMAT_JS = 'js';
    protected const FORMAT_UNKNOWN = 'unknown';

    /**
     * {@inheritDoc}
     *
     * Formatted output may contain some formatting markers to be transferred to `console.log` using the %c format.
     *
     * Example of formatted string:
     *
     *     You can do [[blue text]]{color: blue} or [[green background]]{background-color: green; color: white}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter('[[%channel%]]{macro: autolabel} [[%level_name%]]{font-weight: bold} %message%');
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        // Accumulate records
        static::$records[] = $record;

        // Register shutdown handler if not already done
        if (!static::$initialized) {
            static::$initialized = true;
            $this->registerShutdownFunction();
        }
    }

    /**
     * Convert records to javascript console commands and send it to the browser.
     * This method is automatically called on PHP shutdown if output is HTML or Javascript.
     */
    public static function send(): void
    {
        $format = static::getResponseFormat();
        if ($format === self::FORMAT_UNKNOWN) {
            return;
        }

        if (count(static::$records)) {
            if ($format === self::FORMAT_HTML) {
                static::writeOutput('<script>' . static::generateScript() . '</script>');
            } elseif ($format === self::FORMAT_JS) {
                static::writeOutput(static::generateScript());
            }
            static::resetStatic();
        }
    }

    public function close(): void
    {
        self::resetStatic();
    }

    public function reset()
    {
        parent::reset();

        self::resetStatic();
    }

    /**
     * Forget all logged records
     */
    public static function resetStatic(): void
    {
        static::$records = [];
    }

    /**
     * Wrapper for register_shutdown_function to allow overriding
     */
    protected function registerShutdownFunction(): void
    {
        if (PHP_SAPI !== 'cli') {
            register_shutdown_function(['Monolog\Handler\BrowserConsoleHandler', 'send']);
        }
    }

    /**
     * Wrapper for echo to allow overriding
     */
    protected static function writeOutput(string $str): void
    {
        echo $str;
    }

    /**
     * Checks the format of the response
     *
     * If Content-Type is set to application/javascript or text/javascript -> js
     * If Content-Type is set to text/html, or is unset -> html
     * If Content-Type is anything else -> unknown
     *
     * @return string One of 'js', 'html' or 'unknown'
     * @phpstan-return self::FORMAT_*
     */
    protected static function getResponseFormat(): string
    {
        // Check content type
        foreach (headers_list() as $header) {
            if (stripos($header, 'content-type:') === 0) {
                return static::getResponseFormatFromContentType($header);
            }
        }

        return self::FORMAT_HTML;
    }

    /**
     * @return string One of 'js', 'html' or 'unknown'
     * @phpstan-return self::FORMAT_*
     */
    protected static function getResponseFormatFromContentType(string $contentType): string
    {
        // This handler only works with HTML and javascript outputs
        // text/javascript is obsolete in favour of application/javascript, but still used
        if (stripos($contentType, 'application/javascript') !== false || stripos($contentType, 'text/javascript') !== false) {
            return self::FORMAT_JS;
        }

        if (stripos($contentType, 'text/html') !== false) {
            return self::FORMAT_HTML;
        }

        return self::FORMAT_UNKNOWN;
    }

    private static function generateScript(): string
    {
        $script = [];
        foreach (static::$records as $record) {
            $context = static::dump('Context', $record['context']);
            $extra = static::dump('Extra', $record['extra']);

            if (empty($context) && empty($extra)) {
                $script[] = static::call_array('log', static::handleStyles($record['formatted']));
            } else {
                $script = array_merge(
                    $script,
                    [static::call_array('groupCollapsed', static::handleStyles($record['formatted']))],
                    $context,
                    $extra,
                    [static::call('groupEnd')]
                );
            }
        }

        return "(function (c) {if (c && c.groupCollapsed) {\n" . implode("\n", $script) . "\n}})(console);";
    }

    /**
     * @return string[]
     */
    private static function handleStyles(string $formatted): array
    {
        $args = [];
        $format = '%c' . $formatted;
        preg_match_all('/\[\[(.*?)\]\]\{([^}]*)\}/s', $format, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);

        foreach (array_reverse($matches) as $match) {
            $args[] = '"font-weight: normal"';
            $args[] = static::quote(static::handleCustomStyles($match[2][0], $match[1][0]));

            $pos = $match[0][1];
            $format = Utils::substr($format, 0, $pos) . '%c' . $match[1][0] . '%c' . Utils::substr($format, $pos + strlen($match[0][0]));
        }

        $args[] = static::quote('font-weight: normal');
        $args[] = static::quote($format);

        return array_reverse($args);
    }

    private static function handleCustomStyles(string $style, string $string): string
    {
        static $colors = ['blue', 'green', 'red', 'magenta', 'orange', 'black', 'grey'];
        static $labels = [];

        $style = preg_replace_callback('/macro\s*:(.*?)(?:;|$)/', function (array $m) use ($string, &$colors, &$labels) {
            if (trim($m[1]) === 'autolabel') {
                // Format the string as a label with consistent auto assigned background color
                if (!isset($labels[$string])) {
                    $labels[$string] = $colors[count($labels) % count($colors)];
                }
                $color = $labels[$string];

                return "background-color: $color; color: white; border-radius: 3px; padding: 0 2px 0 2px";
            }

            return $m[1];
        }, $style);

        if (null === $style) {
            $pcreErrorCode = preg_last_error();
            throw new \RuntimeException('Failed to run preg_replace_callback: ' . $pcreErrorCode . ' / ' . Utils::pcreLastErrorMessage($pcreErrorCode));
        }

        return $style;
    }

    /**
     * @param  mixed[] $dict
     * @return mixed[]
     */
    private static function dump(string $title, array $dict): array
    {
        $script = [];
        $dict = array_filter($dict);
        if (empty($dict)) {
            return $script;
        }
        $script[] = static::call('log', static::quote('%c%s'), static::quote('font-weight: bold'), static::quote($title));
        foreach ($dict as $key => $value) {
            $value = json_encode($value);
            if (empty($value)) {
                $value = static::quote('');
            }
            $script[] = static::call('log', static::quote('%s: %o'), static::quote((string) $key), $value);
        }

        return $script;
    }

    private static function quote(string $arg): string
    {
        return '"' . addcslashes($arg, "\"\n\\") . '"';
    }

    /**
     * @param mixed $args
     */
    private static function call(...$args): string
    {
        $method = array_shift($args);
        if (!is_string($method)) {
            throw new \UnexpectedValueException('Expected the first arg to be a string, got: '.var_export($method, true));
        }

        return static::call_array($method, $args);
    }

    /**
     * @param mixed[] $args
     */
    private static function call_array(string $method, array $args): string
    {
        return 'c.' . $method . '(' . implode(', ', $args) . ');';
    }
}
PK     ÂˆU]Di$h¯  ¯  C  vendor/monolog/monolog/src/Monolog/Handler/DeduplicationHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Simple handler wrapper that deduplicates log records across multiple requests
 *
 * It also includes the BufferHandler functionality and will buffer
 * all messages until the end of the request or flush() is called.
 *
 * This works by storing all log records' messages above $deduplicationLevel
 * to the file specified by $deduplicationStore. When further logs come in at the end of the
 * request (or when flush() is called), all those above $deduplicationLevel are checked
 * against the existing stored logs. If they match and the timestamps in the stored log is
 * not older than $time seconds, the new log record is discarded. If no log record is new, the
 * whole data set is discarded.
 *
 * This is mainly useful in combination with Mail handlers or things like Slack or HipChat handlers
 * that send messages to people, to avoid spamming with the same message over and over in case of
 * a major component failure like a database server being down which makes all requests fail in the
 * same way.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 */
class DeduplicationHandler extends BufferHandler
{
    /**
     * @var string
     */
    protected $deduplicationStore;

    /**
     * @var Level
     */
    protected $deduplicationLevel;

    /**
     * @var int
     */
    protected $time;

    /**
     * @var bool
     */
    private $gc = false;

    /**
     * @param HandlerInterface $handler            Handler.
     * @param string           $deduplicationStore The file/path where the deduplication log should be kept
     * @param string|int       $deduplicationLevel The minimum logging level for log records to be looked at for deduplication purposes
     * @param int              $time               The period (in seconds) during which duplicate entries should be suppressed after a given log is sent through
     * @param bool             $bubble             Whether the messages that are handled can bubble up the stack or not
     *
     * @phpstan-param Level|LevelName|LogLevel::* $deduplicationLevel
     */
    public function __construct(HandlerInterface $handler, ?string $deduplicationStore = null, $deduplicationLevel = Logger::ERROR, int $time = 60, bool $bubble = true)
    {
        parent::__construct($handler, 0, Logger::DEBUG, $bubble, false);

        $this->deduplicationStore = $deduplicationStore === null ? sys_get_temp_dir() . '/monolog-dedup-' . substr(md5(__FILE__), 0, 20) .'.log' : $deduplicationStore;
        $this->deduplicationLevel = Logger::toMonologLevel($deduplicationLevel);
        $this->time = $time;
    }

    public function flush(): void
    {
        if ($this->bufferSize === 0) {
            return;
        }

        $passthru = null;

        foreach ($this->buffer as $record) {
            if ($record['level'] >= $this->deduplicationLevel) {
                $passthru = $passthru || !$this->isDuplicate($record);
                if ($passthru) {
                    $this->appendRecord($record);
                }
            }
        }

        // default of null is valid as well as if no record matches duplicationLevel we just pass through
        if ($passthru === true || $passthru === null) {
            $this->handler->handleBatch($this->buffer);
        }

        $this->clear();

        if ($this->gc) {
            $this->collectLogs();
        }
    }

    /**
     * @phpstan-param Record $record
     */
    private function isDuplicate(array $record): bool
    {
        if (!file_exists($this->deduplicationStore)) {
            return false;
        }

        $store = file($this->deduplicationStore, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
        if (!is_array($store)) {
            return false;
        }

        $yesterday = time() - 86400;
        $timestampValidity = $record['datetime']->getTimestamp() - $this->time;
        $expectedMessage = preg_replace('{[\r\n].*}', '', $record['message']);

        for ($i = count($store) - 1; $i >= 0; $i--) {
            list($timestamp, $level, $message) = explode(':', $store[$i], 3);

            if ($level === $record['level_name'] && $message === $expectedMessage && $timestamp > $timestampValidity) {
                return true;
            }

            if ($timestamp < $yesterday) {
                $this->gc = true;
            }
        }

        return false;
    }

    private function collectLogs(): void
    {
        if (!file_exists($this->deduplicationStore)) {
            return;
        }

        $handle = fopen($this->deduplicationStore, 'rw+');

        if (!$handle) {
            throw new \RuntimeException('Failed to open file for reading and writing: ' . $this->deduplicationStore);
        }

        flock($handle, LOCK_EX);
        $validLogs = [];

        $timestampValidity = time() - $this->time;

        while (!feof($handle)) {
            $log = fgets($handle);
            if ($log && substr($log, 0, 10) >= $timestampValidity) {
                $validLogs[] = $log;
            }
        }

        ftruncate($handle, 0);
        rewind($handle);
        foreach ($validLogs as $log) {
            fwrite($handle, $log);
        }

        flock($handle, LOCK_UN);
        fclose($handle);

        $this->gc = false;
    }

    /**
     * @phpstan-param Record $record
     */
    private function appendRecord(array $record): void
    {
        file_put_contents($this->deduplicationStore, $record['datetime']->getTimestamp() . ':' . $record['level_name'] . ':' . preg_replace('{[\r\n].*}', '', $record['message']) . "\n", FILE_APPEND);
    }
}
PK     ÂˆU]c”Réµ  µ  >  vendor/monolog/monolog/src/Monolog/Handler/OverflowHandler.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Handler;

use Monolog\Logger;
use Monolog\Formatter\FormatterInterface;

/**
 * Handler to only pass log messages when a certain threshold of number of messages is reached.
 *
 * This can be useful in cases of processing a batch of data, but you're for example only interested
 * in case it fails catastrophically instead of a warning for 1 or 2 events. Worse things can happen, right?
 *
 * Usage example:
 *
 * ```
 *   $log = new Logger('application');
 *   $handler = new SomeHandler(...)
 *
 *   // Pass all warnings to the handler when more than 10 & all error messages when more then 5
 *   $overflow = new OverflowHandler($handler, [Logger::WARNING => 10, Logger::ERROR => 5]);
 *
 *   $log->pushHandler($overflow);
 *```
 *
 * @author Kris Buist <krisbuist@gmail.com>
 */
class OverflowHandler extends AbstractHandler implements FormattableHandlerInterface
{
    /** @var HandlerInterface */
    private $handler;

    /** @var int[] */
    private $thresholdMap = [
        Logger::DEBUG => 0,
        Logger::INFO => 0,
        Logger::NOTICE => 0,
        Logger::WARNING => 0,
        Logger::ERROR => 0,
        Logger::CRITICAL => 0,
        Logger::ALERT => 0,
        Logger::EMERGENCY => 0,
    ];

    /**
     * Buffer of all messages passed to the handler before the threshold was reached
     *
     * @var mixed[][]
     */
    private $buffer = [];

    /**
     * @param HandlerInterface $handler
     * @param int[]            $thresholdMap Dictionary of logger level => threshold
     */
    public function __construct(
        HandlerInterface $handler,
        array $thresholdMap = [],
        $level = Logger::DEBUG,
        bool $bubble = true
    ) {
        $this->handler = $handler;
        foreach ($thresholdMap as $thresholdLevel => $threshold) {
            $this->thresholdMap[$thresholdLevel] = $threshold;
        }
        parent::__construct($level, $bubble);
    }

    /**
     * Handles a record.
     *
     * All records may be passed to this method, and the handler should discard
     * those that it does not want to handle.
     *
     * The return value of this function controls the bubbling process of the handler stack.
     * Unless the bubbling is interrupted (by returning true), the Logger class will keep on
     * calling further handlers in the stack with a given log record.
     *
     * {@inheritDoc}
     */
    public function handle(array $record): bool
    {
        if ($record['level'] < $this->level) {
            return false;
        }

        $level = $record['level'];

        if (!isset($this->thresholdMap[$level])) {
            $this->thresholdMap[$level] = 0;
        }

        if ($this->thresholdMap[$level] > 0) {
            // The overflow threshold is not yet reached, so we're buffering the record and lowering the threshold by 1
            $this->thresholdMap[$level]--;
            $this->buffer[$level][] = $record;

            return false === $this->bubble;
        }

        if ($this->thresholdMap[$level] == 0) {
            // This current message is breaking the threshold. Flush the buffer and continue handling the current record
            foreach ($this->buffer[$level] ?? [] as $buffered) {
                $this->handler->handle($buffered);
            }
            $this->thresholdMap[$level]--;
            unset($this->buffer[$level]);
        }

        $this->handler->handle($record);

        return false === $this->bubble;
    }

    /**
     * {@inheritDoc}
     */
    public function setFormatter(FormatterInterface $formatter): HandlerInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            $this->handler->setFormatter($formatter);

            return $this;
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($this->handler).' does not support formatters.');
    }

    /**
     * {@inheritDoc}
     */
    public function getFormatter(): FormatterInterface
    {
        if ($this->handler instanceof FormattableHandlerInterface) {
            return $this->handler->getFormatter();
        }

        throw new \UnexpectedValueException('The nested handler of type '.get_class($this->handler).' does not support formatters.');
    }
}
PK     ÃˆU]ÕÄ´Æ  Æ  4  vendor/monolog/monolog/src/Monolog/Test/TestCase.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Test;

use Monolog\Logger;
use Monolog\DateTimeImmutable;
use Monolog\Formatter\FormatterInterface;

/**
 * Lets you easily generate log records and a dummy formatter for testing purposes
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 */
class TestCase extends \PHPUnit\Framework\TestCase
{
    public function tearDown(): void
    {
        parent::tearDown();

        if (isset($this->handler)) {
            unset($this->handler);
        }
    }

    /**
     * @param mixed[] $context
     *
     * @return array Record
     *
     * @phpstan-param  Level $level
     * @phpstan-return Record
     */
    protected function getRecord(int $level = Logger::WARNING, string $message = 'test', array $context = []): array
    {
        return [
            'message' => (string) $message,
            'context' => $context,
            'level' => $level,
            'level_name' => Logger::getLevelName($level),
            'channel' => 'test',
            'datetime' => new DateTimeImmutable(true),
            'extra' => [],
        ];
    }

    /**
     * @phpstan-return Record[]
     */
    protected function getMultipleRecords(): array
    {
        return [
            $this->getRecord(Logger::DEBUG, 'debug message 1'),
            $this->getRecord(Logger::DEBUG, 'debug message 2'),
            $this->getRecord(Logger::INFO, 'information'),
            $this->getRecord(Logger::WARNING, 'warning'),
            $this->getRecord(Logger::ERROR, 'error'),
        ];
    }

    protected function getIdentityFormatter(): FormatterInterface
    {
        $formatter = $this->createMock(FormatterInterface::class);
        $formatter->expects($this->any())
            ->method('format')
            ->will($this->returnCallback(function ($record) {
                return $record['message'];
            }));

        return $formatter;
    }
}
PK     ÃˆU]VE
ä$  ä$  ,  vendor/monolog/monolog/src/Monolog/Utils.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

final class Utils
{
    const DEFAULT_JSON_FLAGS = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION | JSON_INVALID_UTF8_SUBSTITUTE | JSON_PARTIAL_OUTPUT_ON_ERROR;

    public static function getClass(object $object): string
    {
        $class = \get_class($object);

        if (false === ($pos = \strpos($class, "@anonymous\0"))) {
            return $class;
        }

        if (false === ($parent = \get_parent_class($class))) {
            return \substr($class, 0, $pos + 10);
        }

        return $parent . '@anonymous';
    }

    public static function substr(string $string, int $start, ?int $length = null): string
    {
        if (extension_loaded('mbstring')) {
            return mb_strcut($string, $start, $length);
        }

        return substr($string, $start, (null === $length) ? strlen($string) : $length);
    }

    /**
     * Makes sure if a relative path is passed in it is turned into an absolute path
     *
     * @param string $streamUrl stream URL or path without protocol
     */
    public static function canonicalizePath(string $streamUrl): string
    {
        $prefix = '';
        if ('file://' === substr($streamUrl, 0, 7)) {
            $streamUrl = substr($streamUrl, 7);
            $prefix = 'file://';
        }

        // other type of stream, not supported
        if (false !== strpos($streamUrl, '://')) {
            return $streamUrl;
        }

        // already absolute
        if (substr($streamUrl, 0, 1) === '/' || substr($streamUrl, 1, 1) === ':' || substr($streamUrl, 0, 2) === '\\\\') {
            return $prefix.$streamUrl;
        }

        $streamUrl = getcwd() . '/' . $streamUrl;

        return $prefix.$streamUrl;
    }

    /**
     * Return the JSON representation of a value
     *
     * @param  mixed             $data
     * @param  int               $encodeFlags  flags to pass to json encode, defaults to DEFAULT_JSON_FLAGS
     * @param  bool              $ignoreErrors whether to ignore encoding errors or to throw on error, when ignored and the encoding fails, "null" is returned which is valid json for null
     * @throws \RuntimeException if encoding fails and errors are not ignored
     * @return string            when errors are ignored and the encoding fails, "null" is returned which is valid json for null
     */
    public static function jsonEncode($data, ?int $encodeFlags = null, bool $ignoreErrors = false): string
    {
        if (null === $encodeFlags) {
            $encodeFlags = self::DEFAULT_JSON_FLAGS;
        }

        if ($ignoreErrors) {
            $json = @json_encode($data, $encodeFlags);
            if (false === $json) {
                return 'null';
            }

            return $json;
        }

        $json = json_encode($data, $encodeFlags);
        if (false === $json) {
            $json = self::handleJsonError(json_last_error(), $data);
        }

        return $json;
    }

    /**
     * Handle a json_encode failure.
     *
     * If the failure is due to invalid string encoding, try to clean the
     * input and encode again. If the second encoding attempt fails, the
     * initial error is not encoding related or the input can't be cleaned then
     * raise a descriptive exception.
     *
     * @param  int               $code        return code of json_last_error function
     * @param  mixed             $data        data that was meant to be encoded
     * @param  int               $encodeFlags flags to pass to json encode, defaults to JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION
     * @throws \RuntimeException if failure can't be corrected
     * @return string            JSON encoded data after error correction
     */
    public static function handleJsonError(int $code, $data, ?int $encodeFlags = null): string
    {
        if ($code !== JSON_ERROR_UTF8) {
            self::throwEncodeError($code, $data);
        }

        if (is_string($data)) {
            self::detectAndCleanUtf8($data);
        } elseif (is_array($data)) {
            array_walk_recursive($data, array('Monolog\Utils', 'detectAndCleanUtf8'));
        } else {
            self::throwEncodeError($code, $data);
        }

        if (null === $encodeFlags) {
            $encodeFlags = self::DEFAULT_JSON_FLAGS;
        }

        $json = json_encode($data, $encodeFlags);

        if ($json === false) {
            self::throwEncodeError(json_last_error(), $data);
        }

        return $json;
    }

    /**
     * @internal
     */
    public static function pcreLastErrorMessage(int $code): string
    {
        if (PHP_VERSION_ID >= 80000) {
            return preg_last_error_msg();
        }

        $constants = (get_defined_constants(true))['pcre'];
        $constants = array_filter($constants, function ($key) {
            return substr($key, -6) == '_ERROR';
        }, ARRAY_FILTER_USE_KEY);

        $constants = array_flip($constants);

        return $constants[$code] ?? 'UNDEFINED_ERROR';
    }

    /**
     * Throws an exception according to a given code with a customized message
     *
     * @param  int               $code return code of json_last_error function
     * @param  mixed             $data data that was meant to be encoded
     * @throws \RuntimeException
     *
     * @return never
     */
    private static function throwEncodeError(int $code, $data): void
    {
        switch ($code) {
            case JSON_ERROR_DEPTH:
                $msg = 'Maximum stack depth exceeded';
                break;
            case JSON_ERROR_STATE_MISMATCH:
                $msg = 'Underflow or the modes mismatch';
                break;
            case JSON_ERROR_CTRL_CHAR:
                $msg = 'Unexpected control character found';
                break;
            case JSON_ERROR_UTF8:
                $msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
                break;
            default:
                $msg = 'Unknown error';
        }

        throw new \RuntimeException('JSON encoding failed: '.$msg.'. Encoding: '.var_export($data, true));
    }

    /**
     * Detect invalid UTF-8 string characters and convert to valid UTF-8.
     *
     * Valid UTF-8 input will be left unmodified, but strings containing
     * invalid UTF-8 codepoints will be reencoded as UTF-8 with an assumed
     * original encoding of ISO-8859-15. This conversion may result in
     * incorrect output if the actual encoding was not ISO-8859-15, but it
     * will be clean UTF-8 output and will not rely on expensive and fragile
     * detection algorithms.
     *
     * Function converts the input in place in the passed variable so that it
     * can be used as a callback for array_walk_recursive.
     *
     * @param mixed $data Input to check and convert if needed, passed by ref
     */
    private static function detectAndCleanUtf8(&$data): void
    {
        if (is_string($data) && !preg_match('//u', $data)) {
            $data = preg_replace_callback(
                '/[\x80-\xFF]+/',
                function ($m) {
                    return utf8_encode($m[0]);
                },
                $data
            );
            if (!is_string($data)) {
                $pcreErrorCode = preg_last_error();
                throw new \RuntimeException('Failed to preg_replace_callback: ' . $pcreErrorCode . ' / ' . self::pcreLastErrorMessage($pcreErrorCode));
            }
            $data = str_replace(
                ['Â¤', 'Â¦', 'Â¨', 'Â´', 'Â¸', 'Â¼', 'Â½', 'Â¾'],
                ['â‚¬', 'Å ', 'Å¡', 'Å½', 'Å¾', 'Å’', 'Å“', 'Å¸'],
                $data
            );
        }
    }

    /**
     * Converts a string with a valid 'memory_limit' format, to bytes.
     *
     * @param string|false $val
     * @return int|false Returns an integer representing bytes. Returns FALSE in case of error.
     */
    public static function expandIniShorthandBytes($val)
    {
        if (!is_string($val)) {
            return false;
        }

        // support -1
        if ((int) $val < 0) {
            return (int) $val;
        }

        if (!preg_match('/^\s*(?<val>\d+)(?:\.\d+)?\s*(?<unit>[gmk]?)\s*$/i', $val, $match)) {
            return false;
        }

        $val = (int) $match['val'];
        switch (strtolower($match['unit'] ?? '')) {
            case 'g':
                $val *= 1024;
            case 'm':
                $val *= 1024;
            case 'k':
                $val *= 1024;
        }

        return $val;
    }

    /**
     * @param array<mixed> $record
     */
    public static function getRecordMessageForException(array $record): string
    {
        $context = '';
        $extra = '';
        try {
            if ($record['context']) {
                $context = "\nContext: " . json_encode($record['context']);
            }
            if ($record['extra']) {
                $extra = "\nExtra: " . json_encode($record['extra']);
            }
        } catch (\Throwable $e) {
            // noop
        }

        return "\nThe exception occurred while attempting to log: " . $record['message'] . $context . $extra;
    }
}
PK     ÃˆU]T†Š×  ×  0  vendor/monolog/monolog/src/Monolog/LogRecord.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use ArrayAccess;

/**
 * Monolog log record interface for forward compatibility with Monolog 3.0
 *
 * This is just present in Monolog 2.4+ to allow interoperable code to be written against
 * both versions by type-hinting arguments as `array|\Monolog\LogRecord $record`
 *
 * Do not rely on this interface for other purposes, and do not implement it.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @template-extends \ArrayAccess<'message'|'level'|'context'|'level_name'|'channel'|'datetime'|'extra'|'formatted', mixed>
 * @phpstan-import-type Record from Logger
 */
interface LogRecord extends \ArrayAccess
{
    /**
     * @phpstan-return Record
     */
    public function toArray(): array;
}
PK     ÃˆU]	bét¢  ¢  /  vendor/monolog/monolog/src/Monolog/Registry.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use InvalidArgumentException;

/**
 * Monolog log registry
 *
 * Allows to get `Logger` instances in the global scope
 * via static method calls on this class.
 *
 * <code>
 * $application = new Monolog\Logger('application');
 * $api = new Monolog\Logger('api');
 *
 * Monolog\Registry::addLogger($application);
 * Monolog\Registry::addLogger($api);
 *
 * function testLogger()
 * {
 *     Monolog\Registry::api()->error('Sent to $api Logger instance');
 *     Monolog\Registry::application()->error('Sent to $application Logger instance');
 * }
 * </code>
 *
 * @author Tomas Tatarko <tomas@tatarko.sk>
 */
class Registry
{
    /**
     * List of all loggers in the registry (by named indexes)
     *
     * @var Logger[]
     */
    private static $loggers = [];

    /**
     * Adds new logging channel to the registry
     *
     * @param  Logger                    $logger    Instance of the logging channel
     * @param  string|null               $name      Name of the logging channel ($logger->getName() by default)
     * @param  bool                      $overwrite Overwrite instance in the registry if the given name already exists?
     * @throws \InvalidArgumentException If $overwrite set to false and named Logger instance already exists
     * @return void
     */
    public static function addLogger(Logger $logger, ?string $name = null, bool $overwrite = false)
    {
        $name = $name ?: $logger->getName();

        if (isset(self::$loggers[$name]) && !$overwrite) {
            throw new InvalidArgumentException('Logger with the given name already exists');
        }

        self::$loggers[$name] = $logger;
    }

    /**
     * Checks if such logging channel exists by name or instance
     *
     * @param string|Logger $logger Name or logger instance
     */
    public static function hasLogger($logger): bool
    {
        if ($logger instanceof Logger) {
            $index = array_search($logger, self::$loggers, true);

            return false !== $index;
        }

        return isset(self::$loggers[$logger]);
    }

    /**
     * Removes instance from registry by name or instance
     *
     * @param string|Logger $logger Name or logger instance
     */
    public static function removeLogger($logger): void
    {
        if ($logger instanceof Logger) {
            if (false !== ($idx = array_search($logger, self::$loggers, true))) {
                unset(self::$loggers[$idx]);
            }
        } else {
            unset(self::$loggers[$logger]);
        }
    }

    /**
     * Clears the registry
     */
    public static function clear(): void
    {
        self::$loggers = [];
    }

    /**
     * Gets Logger instance from the registry
     *
     * @param  string                    $name Name of the requested Logger instance
     * @throws \InvalidArgumentException If named Logger instance is not in the registry
     */
    public static function getInstance($name): Logger
    {
        if (!isset(self::$loggers[$name])) {
            throw new InvalidArgumentException(sprintf('Requested "%s" logger instance is not in the registry', $name));
        }

        return self::$loggers[$name];
    }

    /**
     * Gets Logger instance from the registry via static method call
     *
     * @param  string                    $name      Name of the requested Logger instance
     * @param  mixed[]                   $arguments Arguments passed to static method call
     * @throws \InvalidArgumentException If named Logger instance is not in the registry
     * @return Logger                    Requested instance of Logger
     */
    public static function __callStatic($name, $arguments)
    {
        return self::getInstance($name);
    }
}
PK     ÃˆU]Çx\Ë•  •  =  vendor/monolog/monolog/src/Monolog/Processor/GitProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Injects Git branch and Git commit SHA in all records
 *
 * @author Nick Otter
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class GitProcessor implements ProcessorInterface
{
    /** @var int */
    private $level;
    /** @var array{branch: string, commit: string}|array<never>|null */
    private static $cache = null;

    /**
     * @param string|int $level The minimum logging level at which this Processor will be triggered
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function __construct($level = Logger::DEBUG)
    {
        $this->level = Logger::toMonologLevel($level);
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        // return if the level is not high enough
        if ($record['level'] < $this->level) {
            return $record;
        }

        $record['extra']['git'] = self::getGitInfo();

        return $record;
    }

    /**
     * @return array{branch: string, commit: string}|array<never>
     */
    private static function getGitInfo(): array
    {
        if (self::$cache) {
            return self::$cache;
        }

        $branches = `git branch -v --no-abbrev`;
        if ($branches && preg_match('{^\* (.+?)\s+([a-f0-9]{40})(?:\s|$)}m', $branches, $matches)) {
            return self::$cache = [
                'branch' => $matches[1],
                'commit' => $matches[2],
            ];
        }

        return self::$cache = [];
    }
}
PK     ÃˆU]
.f    G  vendor/monolog/monolog/src/Monolog/Processor/IntrospectionProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Injects line/file:class/function where the log message came from
 *
 * Warning: This only works if the handler processes the logs directly.
 * If you put the processor on a handler that is behind a FingersCrossedHandler
 * for example, the processor will only be called once the trigger level is reached,
 * and all the log records will have the same file/line/.. data from the call that
 * triggered the FingersCrossedHandler.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 * @phpstan-import-type LevelName from \Monolog\Logger
 */
class IntrospectionProcessor implements ProcessorInterface
{
    /** @var int */
    private $level;
    /** @var string[] */
    private $skipClassesPartials;
    /** @var int */
    private $skipStackFramesCount;
    /** @var string[] */
    private $skipFunctions = [
        'call_user_func',
        'call_user_func_array',
    ];

    /**
     * @param string|int $level               The minimum logging level at which this Processor will be triggered
     * @param string[]   $skipClassesPartials
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function __construct($level = Logger::DEBUG, array $skipClassesPartials = [], int $skipStackFramesCount = 0)
    {
        $this->level = Logger::toMonologLevel($level);
        $this->skipClassesPartials = array_merge(['Monolog\\'], $skipClassesPartials);
        $this->skipStackFramesCount = $skipStackFramesCount;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        // return if the level is not high enough
        if ($record['level'] < $this->level) {
            return $record;
        }

        $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);

        // skip first since it's always the current method
        array_shift($trace);
        // the call_user_func call is also skipped
        array_shift($trace);

        $i = 0;

        while ($this->isTraceClassOrSkippedFunction($trace, $i)) {
            if (isset($trace[$i]['class'])) {
                foreach ($this->skipClassesPartials as $part) {
                    if (strpos($trace[$i]['class'], $part) !== false) {
                        $i++;

                        continue 2;
                    }
                }
            } elseif (in_array($trace[$i]['function'], $this->skipFunctions)) {
                $i++;

                continue;
            }

            break;
        }

        $i += $this->skipStackFramesCount;

        // we should have the call source now
        $record['extra'] = array_merge(
            $record['extra'],
            [
                'file'      => isset($trace[$i - 1]['file']) ? $trace[$i - 1]['file'] : null,
                'line'      => isset($trace[$i - 1]['line']) ? $trace[$i - 1]['line'] : null,
                'class'     => isset($trace[$i]['class']) ? $trace[$i]['class'] : null,
                'callType'  => isset($trace[$i]['type']) ? $trace[$i]['type'] : null,
                'function'  => isset($trace[$i]['function']) ? $trace[$i]['function'] : null,
            ]
        );

        return $record;
    }

    /**
     * @param array[] $trace
     */
    private function isTraceClassOrSkippedFunction(array $trace, int $index): bool
    {
        if (!isset($trace[$index])) {
            return false;
        }

        return isset($trace[$index]['class']) || in_array($trace[$index]['function'], $this->skipFunctions);
    }
}
PK     ÃˆU]£‘¦½_  _  C  vendor/monolog/monolog/src/Monolog/Processor/ProcessIdProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Adds value of getmypid into records
 *
 * @author Andreas HÃ¶rnicke
 */
class ProcessIdProcessor implements ProcessorInterface
{
    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $record['extra']['process_id'] = getmypid();

        return $record;
    }
}
PK     ÃˆU])¨žÆ1  1  E  vendor/monolog/monolog/src/Monolog/Processor/MemoryUsageProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Injects memory_get_usage in all records
 *
 * @see Monolog\Processor\MemoryProcessor::__construct() for options
 * @author Rob Jensen
 */
class MemoryUsageProcessor extends MemoryProcessor
{
    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $usage = memory_get_usage($this->realUsage);

        if ($this->useFormatting) {
            $usage = $this->formatBytes($usage);
        }

        $record['extra']['memory_usage'] = $usage;

        return $record;
    }
}
PK     ÃˆU]Y^ò‰¢  ¢  C  vendor/monolog/monolog/src/Monolog/Processor/ProcessorInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * An optional interface to allow labelling Monolog processors.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
interface ProcessorInterface
{
    /**
     * @return array The processed record
     *
     * @phpstan-param  Record $record
     * @phpstan-return Record
     */
    public function __invoke(array $record);
}
PK     ÄˆU]æaß#  #  @  vendor/monolog/monolog/src/Monolog/Processor/MemoryProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Some methods that are common for all memory processors
 *
 * @author Rob Jensen
 */
abstract class MemoryProcessor implements ProcessorInterface
{
    /**
     * @var bool If true, get the real size of memory allocated from system. Else, only the memory used by emalloc() is reported.
     */
    protected $realUsage;

    /**
     * @var bool If true, then format memory size to human readable string (MB, KB, B depending on size)
     */
    protected $useFormatting;

    /**
     * @param bool $realUsage     Set this to true to get the real size of memory allocated from system.
     * @param bool $useFormatting If true, then format memory size to human readable string (MB, KB, B depending on size)
     */
    public function __construct(bool $realUsage = true, bool $useFormatting = true)
    {
        $this->realUsage = $realUsage;
        $this->useFormatting = $useFormatting;
    }

    /**
     * Formats bytes into a human readable string if $this->useFormatting is true, otherwise return $bytes as is
     *
     * @param  int        $bytes
     * @return string|int Formatted string if $this->useFormatting is true, otherwise return $bytes as int
     */
    protected function formatBytes(int $bytes)
    {
        if (!$this->useFormatting) {
            return $bytes;
        }

        if ($bytes > 1024 * 1024) {
            return round($bytes / 1024 / 1024, 2).' MB';
        } elseif ($bytes > 1024) {
            return round($bytes / 1024, 2).' KB';
        }

        return $bytes . ' B';
    }
}
PK     ÄˆU]jÎ:Î  Î  =  vendor/monolog/monolog/src/Monolog/Processor/WebProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Injects url/method and remote IP of the current web request in all records
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class WebProcessor implements ProcessorInterface
{
    /**
     * @var array<string, mixed>|\ArrayAccess<string, mixed>
     */
    protected $serverData;

    /**
     * Default fields
     *
     * Array is structured as [key in record.extra => key in $serverData]
     *
     * @var array<string, string>
     */
    protected $extraFields = [
        'url'         => 'REQUEST_URI',
        'ip'          => 'REMOTE_ADDR',
        'http_method' => 'REQUEST_METHOD',
        'server'      => 'SERVER_NAME',
        'referrer'    => 'HTTP_REFERER',
        'user_agent'  => 'HTTP_USER_AGENT',
    ];

    /**
     * @param array<string, mixed>|\ArrayAccess<string, mixed>|null $serverData  Array or object w/ ArrayAccess that provides access to the $_SERVER data
     * @param array<string, string>|array<string>|null              $extraFields Field names and the related key inside $serverData to be added (or just a list of field names to use the default configured $serverData mapping). If not provided it defaults to: [url, ip, http_method, server, referrer] + unique_id if present in server data
     */
    public function __construct($serverData = null, array $extraFields = null)
    {
        if (null === $serverData) {
            $this->serverData = &$_SERVER;
        } elseif (is_array($serverData) || $serverData instanceof \ArrayAccess) {
            $this->serverData = $serverData;
        } else {
            throw new \UnexpectedValueException('$serverData must be an array or object implementing ArrayAccess.');
        }

        $defaultEnabled = ['url', 'ip', 'http_method', 'server', 'referrer'];
        if (isset($this->serverData['UNIQUE_ID'])) {
            $this->extraFields['unique_id'] = 'UNIQUE_ID';
            $defaultEnabled[] = 'unique_id';
        }

        if (null === $extraFields) {
            $extraFields = $defaultEnabled;
        }
        if (isset($extraFields[0])) {
            foreach (array_keys($this->extraFields) as $fieldName) {
                if (!in_array($fieldName, $extraFields)) {
                    unset($this->extraFields[$fieldName]);
                }
            }
        } else {
            $this->extraFields = $extraFields;
        }
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        // skip processing if for some reason request data
        // is not present (CLI or wonky SAPIs)
        if (!isset($this->serverData['REQUEST_URI'])) {
            return $record;
        }

        $record['extra'] = $this->appendExtraFields($record['extra']);

        return $record;
    }

    public function addExtraField(string $extraName, string $serverName): self
    {
        $this->extraFields[$extraName] = $serverName;

        return $this;
    }

    /**
     * @param  mixed[] $extra
     * @return mixed[]
     */
    private function appendExtraFields(array $extra): array
    {
        foreach ($this->extraFields as $extraName => $serverName) {
            $extra[$extraName] = $this->serverData[$serverName] ?? null;
        }

        return $extra;
    }
}
PK     ÄˆU]�ë„åD  D  I  vendor/monolog/monolog/src/Monolog/Processor/MemoryPeakUsageProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Injects memory_get_peak_usage in all records
 *
 * @see Monolog\Processor\MemoryProcessor::__construct() for options
 * @author Rob Jensen
 */
class MemoryPeakUsageProcessor extends MemoryProcessor
{
    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $usage = memory_get_peak_usage($this->realUsage);

        if ($this->useFormatting) {
            $usage = $this->formatBytes($usage);
        }

        $record['extra']['memory_peak_usage'] = $usage;

        return $record;
    }
}
PK     ÄˆU]^ÉŒTF  F  G  vendor/monolog/monolog/src/Monolog/Processor/PsrLogMessageProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

use Monolog\Utils;

/**
 * Processes a record's message according to PSR-3 rules
 *
 * It replaces {foo} with the value from $context['foo']
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class PsrLogMessageProcessor implements ProcessorInterface
{
    public const SIMPLE_DATE = "Y-m-d\TH:i:s.uP";

    /** @var string|null */
    private $dateFormat;

    /** @var bool */
    private $removeUsedContextFields;

    /**
     * @param string|null $dateFormat              The format of the timestamp: one supported by DateTime::format
     * @param bool        $removeUsedContextFields If set to true the fields interpolated into message gets unset
     */
    public function __construct(?string $dateFormat = null, bool $removeUsedContextFields = false)
    {
        $this->dateFormat = $dateFormat;
        $this->removeUsedContextFields = $removeUsedContextFields;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        if (false === strpos($record['message'], '{')) {
            return $record;
        }

        $replacements = [];
        foreach ($record['context'] as $key => $val) {
            $placeholder = '{' . $key . '}';
            if (strpos($record['message'], $placeholder) === false) {
                continue;
            }

            if (is_null($val) || is_scalar($val) || (is_object($val) && method_exists($val, "__toString"))) {
                $replacements[$placeholder] = $val;
            } elseif ($val instanceof \DateTimeInterface) {
                if (!$this->dateFormat && $val instanceof \Monolog\DateTimeImmutable) {
                    // handle monolog dates using __toString if no specific dateFormat was asked for
                    // so that it follows the useMicroseconds flag
                    $replacements[$placeholder] = (string) $val;
                } else {
                    $replacements[$placeholder] = $val->format($this->dateFormat ?: static::SIMPLE_DATE);
                }
            } elseif (is_object($val)) {
                $replacements[$placeholder] = '[object '.Utils::getClass($val).']';
            } elseif (is_array($val)) {
                $replacements[$placeholder] = 'array'.Utils::jsonEncode($val, null, true);
            } else {
                $replacements[$placeholder] = '['.gettype($val).']';
            }

            if ($this->removeUsedContextFields) {
                unset($record['context'][$key]);
            }
        }

        $record['message'] = strtr($record['message'], $replacements);

        return $record;
    }
}
PK     ÄˆU]a—âÔ  Ô  B  vendor/monolog/monolog/src/Monolog/Processor/HostnameProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Injects value of gethostname in all records
 */
class HostnameProcessor implements ProcessorInterface
{
    /** @var string */
    private static $host;

    public function __construct()
    {
        self::$host = (string) gethostname();
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $record['extra']['hostname'] = self::$host;

        return $record;
    }
}
PK     ÄˆU]{ÏÊåb  b  =  vendor/monolog/monolog/src/Monolog/Processor/TagProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

/**
 * Adds a tags array into record
 *
 * @author Martijn Riemers
 */
class TagProcessor implements ProcessorInterface
{
    /** @var string[] */
    private $tags;

    /**
     * @param string[] $tags
     */
    public function __construct(array $tags = [])
    {
        $this->setTags($tags);
    }

    /**
     * @param string[] $tags
     */
    public function addTags(array $tags = []): self
    {
        $this->tags = array_merge($this->tags, $tags);

        return $this;
    }

    /**
     * @param string[] $tags
     */
    public function setTags(array $tags = []): self
    {
        $this->tags = $tags;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $record['extra']['tags'] = $this->tags;

        return $record;
    }
}
PK     ÄˆU]÷Öx×    =  vendor/monolog/monolog/src/Monolog/Processor/UidProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

use Monolog\ResettableInterface;

/**
 * Adds a unique identifier into records
 *
 * @author Simon MÃ¶nch <sm@webfactory.de>
 */
class UidProcessor implements ProcessorInterface, ResettableInterface
{
    /** @var string */
    private $uid;

    public function __construct(int $length = 7)
    {
        if ($length > 32 || $length < 1) {
            throw new \InvalidArgumentException('The uid length must be an integer between 1 and 32');
        }

        $this->uid = $this->generateUid($length);
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        $record['extra']['uid'] = $this->uid;

        return $record;
    }

    public function getUid(): string
    {
        return $this->uid;
    }

    public function reset()
    {
        $this->uid = $this->generateUid(strlen($this->uid));
    }

    private function generateUid(int $length): string
    {
        return substr(bin2hex(random_bytes((int) ceil($length / 2))), 0, $length);
    }
}
PK     ÄˆU]:ÇDCh  h  C  vendor/monolog/monolog/src/Monolog/Processor/MercurialProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Processor;

use Monolog\Logger;
use Psr\Log\LogLevel;

/**
 * Injects Hg branch and Hg revision number in all records
 *
 * @author Jonathan A. Schweder <jonathanschweder@gmail.com>
 *
 * @phpstan-import-type LevelName from \Monolog\Logger
 * @phpstan-import-type Level from \Monolog\Logger
 */
class MercurialProcessor implements ProcessorInterface
{
    /** @var Level */
    private $level;
    /** @var array{branch: string, revision: string}|array<never>|null */
    private static $cache = null;

    /**
     * @param int|string $level The minimum logging level at which this Processor will be triggered
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function __construct($level = Logger::DEBUG)
    {
        $this->level = Logger::toMonologLevel($level);
    }

    /**
     * {@inheritDoc}
     */
    public function __invoke(array $record): array
    {
        // return if the level is not high enough
        if ($record['level'] < $this->level) {
            return $record;
        }

        $record['extra']['hg'] = self::getMercurialInfo();

        return $record;
    }

    /**
     * @return array{branch: string, revision: string}|array<never>
     */
    private static function getMercurialInfo(): array
    {
        if (self::$cache) {
            return self::$cache;
        }

        $result = explode(' ', trim(`hg id -nb`));

        if (count($result) >= 3) {
            return self::$cache = [
                'branch' => $result[1],
                'revision' => $result[2],
            ];
        }

        return self::$cache = [];
    }
}
PK     ÄˆU]ªšÜÆE  E  G  vendor/monolog/monolog/src/Monolog/Formatter/ElasticsearchFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use DateTimeInterface;

/**
 * Format a log message into an Elasticsearch record
 *
 * @author Avtandil Kikabidze <akalongman@gmail.com>
 */
class ElasticsearchFormatter extends NormalizerFormatter
{
    /**
     * @var string Elasticsearch index name
     */
    protected $index;

    /**
     * @var string Elasticsearch record type
     */
    protected $type;

    /**
     * @param string $index Elasticsearch index name
     * @param string $type  Elasticsearch record type
     */
    public function __construct(string $index, string $type)
    {
        // Elasticsearch requires an ISO 8601 format date with optional millisecond precision.
        parent::__construct(DateTimeInterface::ISO8601);

        $this->index = $index;
        $this->type = $type;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record)
    {
        $record = parent::format($record);

        return $this->getDocument($record);
    }

    /**
     * Getter index
     *
     * @return string
     */
    public function getIndex(): string
    {
        return $this->index;
    }

    /**
     * Getter type
     *
     * @return string
     */
    public function getType(): string
    {
        return $this->type;
    }

    /**
     * Convert a log message into an Elasticsearch record
     *
     * @param  mixed[] $record Log message
     * @return mixed[]
     */
    protected function getDocument(array $record): array
    {
        $record['_index'] = $this->index;
        $record['_type'] = $this->type;

        return $record;
    }
}
PK     ÄˆU]øóõJ  J  B  vendor/monolog/monolog/src/Monolog/Formatter/LogstashFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * Serializes a log message to Logstash Event Format
 *
 * @see https://www.elastic.co/products/logstash
 * @see https://github.com/elastic/logstash/blob/master/logstash-core/src/main/java/org/logstash/Event.java
 *
 * @author Tim Mower <timothy.mower@gmail.com>
 */
class LogstashFormatter extends NormalizerFormatter
{
    /**
     * @var string the name of the system for the Logstash log message, used to fill the @source field
     */
    protected $systemName;

    /**
     * @var string an application name for the Logstash log message, used to fill the @type field
     */
    protected $applicationName;

    /**
     * @var string the key for 'extra' fields from the Monolog record
     */
    protected $extraKey;

    /**
     * @var string the key for 'context' fields from the Monolog record
     */
    protected $contextKey;

    /**
     * @param string      $applicationName The application that sends the data, used as the "type" field of logstash
     * @param string|null $systemName      The system/machine name, used as the "source" field of logstash, defaults to the hostname of the machine
     * @param string      $extraKey        The key for extra keys inside logstash "fields", defaults to extra
     * @param string      $contextKey      The key for context keys inside logstash "fields", defaults to context
     */
    public function __construct(string $applicationName, ?string $systemName = null, string $extraKey = 'extra', string $contextKey = 'context')
    {
        // logstash requires a ISO 8601 format date with optional millisecond precision.
        parent::__construct('Y-m-d\TH:i:s.uP');

        $this->systemName = $systemName === null ? (string) gethostname() : $systemName;
        $this->applicationName = $applicationName;
        $this->extraKey = $extraKey;
        $this->contextKey = $contextKey;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record): string
    {
        $record = parent::format($record);

        if (empty($record['datetime'])) {
            $record['datetime'] = gmdate('c');
        }
        $message = [
            '@timestamp' => $record['datetime'],
            '@version' => 1,
            'host' => $this->systemName,
        ];
        if (isset($record['message'])) {
            $message['message'] = $record['message'];
        }
        if (isset($record['channel'])) {
            $message['type'] = $record['channel'];
            $message['channel'] = $record['channel'];
        }
        if (isset($record['level_name'])) {
            $message['level'] = $record['level_name'];
        }
        if (isset($record['level'])) {
            $message['monolog_level'] = $record['level'];
        }
        if ($this->applicationName) {
            $message['type'] = $this->applicationName;
        }
        if (!empty($record['extra'])) {
            $message[$this->extraKey] = $record['extra'];
        }
        if (!empty($record['context'])) {
            $message[$this->contextKey] = $record['context'];
        }

        return $this->toJson($message) . "\n";
    }
}
PK     ÅˆU]æÜæÍ	  Í	  B  vendor/monolog/monolog/src/Monolog/Formatter/FlowdockFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * formats the record to be used in the FlowdockHandler
 *
 * @author Dominik Liebler <liebler.dominik@gmail.com>
 */
class FlowdockFormatter implements FormatterInterface
{
    /**
     * @var string
     */
    private $source;

    /**
     * @var string
     */
    private $sourceEmail;

    public function __construct(string $source, string $sourceEmail)
    {
        $this->source = $source;
        $this->sourceEmail = $sourceEmail;
    }

    /**
     * {@inheritDoc}
     *
     * @return mixed[]
     */
    public function format(array $record): array
    {
        $tags = [
            '#logs',
            '#' . strtolower($record['level_name']),
            '#' . $record['channel'],
        ];

        foreach ($record['extra'] as $value) {
            $tags[] = '#' . $value;
        }

        $subject = sprintf(
            'in %s: %s - %s',
            $this->source,
            $record['level_name'],
            $this->getShortMessage($record['message'])
        );

        $record['flowdock'] = [
            'source' => $this->source,
            'from_address' => $this->sourceEmail,
            'subject' => $subject,
            'content' => $record['message'],
            'tags' => $tags,
            'project' => $this->source,
        ];

        return $record;
    }

    /**
     * {@inheritDoc}
     *
     * @return mixed[][]
     */
    public function formatBatch(array $records): array
    {
        $formatted = [];

        foreach ($records as $record) {
            $formatted[] = $this->format($record);
        }

        return $formatted;
    }

    public function getShortMessage(string $message): string
    {
        static $hasMbString;

        if (null === $hasMbString) {
            $hasMbString = function_exists('mb_strlen');
        }

        $maxLength = 45;

        if ($hasMbString) {
            if (mb_strlen($message, 'UTF-8') > $maxLength) {
                $message = mb_substr($message, 0, $maxLength - 4, 'UTF-8') . ' ...';
            }
        } else {
            if (strlen($message) > $maxLength) {
                $message = substr($message, 0, $maxLength - 4) . ' ...';
            }
        }

        return $message;
    }
}
PK     ÅˆU]Õ¼H
  
  >  vendor/monolog/monolog/src/Monolog/Formatter/LineFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Utils;

/**
 * Formats incoming records into a one-line string
 *
 * This is especially useful for logging to files
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Christophe Coevoet <stof@notk.org>
 */
class LineFormatter extends NormalizerFormatter
{
    public const SIMPLE_FORMAT = "[%datetime%] %channel%.%level_name%: %message% %context% %extra%\n";

    /** @var string */
    protected $format;
    /** @var bool */
    protected $allowInlineLineBreaks;
    /** @var bool */
    protected $ignoreEmptyContextAndExtra;
    /** @var bool */
    protected $includeStacktraces;
    /** @var ?callable */
    protected $stacktracesParser;

    /**
     * @param string|null $format                     The format of the message
     * @param string|null $dateFormat                 The format of the timestamp: one supported by DateTime::format
     * @param bool        $allowInlineLineBreaks      Whether to allow inline line breaks in log entries
     * @param bool        $ignoreEmptyContextAndExtra
     */
    public function __construct(?string $format = null, ?string $dateFormat = null, bool $allowInlineLineBreaks = false, bool $ignoreEmptyContextAndExtra = false, bool $includeStacktraces = false)
    {
        $this->format = $format === null ? static::SIMPLE_FORMAT : $format;
        $this->allowInlineLineBreaks = $allowInlineLineBreaks;
        $this->ignoreEmptyContextAndExtra = $ignoreEmptyContextAndExtra;
        $this->includeStacktraces($includeStacktraces);
        parent::__construct($dateFormat);
    }

    public function includeStacktraces(bool $include = true, ?callable $parser = null): self
    {
        $this->includeStacktraces = $include;
        if ($this->includeStacktraces) {
            $this->allowInlineLineBreaks = true;
            $this->stacktracesParser = $parser;
        }

        return $this;
    }

    public function allowInlineLineBreaks(bool $allow = true): self
    {
        $this->allowInlineLineBreaks = $allow;

        return $this;
    }

    public function ignoreEmptyContextAndExtra(bool $ignore = true): self
    {
        $this->ignoreEmptyContextAndExtra = $ignore;

        return $this;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record): string
    {
        $vars = parent::format($record);

        $output = $this->format;

        foreach ($vars['extra'] as $var => $val) {
            if (false !== strpos($output, '%extra.'.$var.'%')) {
                $output = str_replace('%extra.'.$var.'%', $this->stringify($val), $output);
                unset($vars['extra'][$var]);
            }
        }

        foreach ($vars['context'] as $var => $val) {
            if (false !== strpos($output, '%context.'.$var.'%')) {
                $output = str_replace('%context.'.$var.'%', $this->stringify($val), $output);
                unset($vars['context'][$var]);
            }
        }

        if ($this->ignoreEmptyContextAndExtra) {
            if (empty($vars['context'])) {
                unset($vars['context']);
                $output = str_replace('%context%', '', $output);
            }

            if (empty($vars['extra'])) {
                unset($vars['extra']);
                $output = str_replace('%extra%', '', $output);
            }
        }

        foreach ($vars as $var => $val) {
            if (false !== strpos($output, '%'.$var.'%')) {
                $output = str_replace('%'.$var.'%', $this->stringify($val), $output);
            }
        }

        // remove leftover %extra.xxx% and %context.xxx% if any
        if (false !== strpos($output, '%')) {
            $output = preg_replace('/%(?:extra|context)\..+?%/', '', $output);
            if (null === $output) {
                $pcreErrorCode = preg_last_error();
                throw new \RuntimeException('Failed to run preg_replace: ' . $pcreErrorCode . ' / ' . Utils::pcreLastErrorMessage($pcreErrorCode));
            }
        }

        return $output;
    }

    public function formatBatch(array $records): string
    {
        $message = '';
        foreach ($records as $record) {
            $message .= $this->format($record);
        }

        return $message;
    }

    /**
     * @param mixed $value
     */
    public function stringify($value): string
    {
        return $this->replaceNewlines($this->convertToString($value));
    }

    protected function normalizeException(\Throwable $e, int $depth = 0): string
    {
        $str = $this->formatException($e);

        if ($previous = $e->getPrevious()) {
            do {
                $str .= "\n[previous exception] " . $this->formatException($previous);
            } while ($previous = $previous->getPrevious());
        }

        return $str;
    }

    /**
     * @param mixed $data
     */
    protected function convertToString($data): string
    {
        if (null === $data || is_bool($data)) {
            return var_export($data, true);
        }

        if (is_scalar($data)) {
            return (string) $data;
        }

        return $this->toJson($data, true);
    }

    protected function replaceNewlines(string $str): string
    {
        if ($this->allowInlineLineBreaks) {
            if (0 === strpos($str, '{')) {
                return str_replace(array('\r', '\n'), array("\r", "\n"), $str);
            }

            return $str;
        }

        return str_replace(["\r\n", "\r", "\n"], ' ', $str);
    }

    private function formatException(\Throwable $e): string
    {
        $str = '[object] (' . Utils::getClass($e) . '(code: ' . $e->getCode();
        if ($e instanceof \SoapFault) {
            if (isset($e->faultcode)) {
                $str .= ' faultcode: ' . $e->faultcode;
            }

            if (isset($e->faultactor)) {
                $str .= ' faultactor: ' . $e->faultactor;
            }

            if (isset($e->detail)) {
                if (is_string($e->detail)) {
                    $str .= ' detail: ' . $e->detail;
                } elseif (is_object($e->detail) || is_array($e->detail)) {
                    $str .= ' detail: ' . $this->toJson($e->detail, true);
                }
            }
        }
        $str .= '): ' . $e->getMessage() . ' at ' . $e->getFile() . ':' . $e->getLine() . ')';

        if ($this->includeStacktraces) {
            $str .= $this->stacktracesParser($e);
        }

        return $str;
    }

    private function stacktracesParser(\Throwable $e): string
    {
        $trace = $e->getTraceAsString();

        if ($this->stacktracesParser) {
            $trace = $this->stacktracesParserCustom($trace);
        }

        return "\n[stacktrace]\n" . $trace . "\n";
    }

    private function stacktracesParserCustom(string $trace): string
    {
        return implode("\n", array_filter(array_map($this->stacktracesParser, explode("\n", $trace))));
    }
}
PK     ÅˆU]ó](M`  `  C  vendor/monolog/monolog/src/Monolog/Formatter/ChromePHPFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Logger;

/**
 * Formats a log message according to the ChromePHP array format
 *
 * @author Christophe Coevoet <stof@notk.org>
 */
class ChromePHPFormatter implements FormatterInterface
{
    /**
     * Translates Monolog log levels to Wildfire levels.
     *
     * @var array<int, 'log'|'info'|'warn'|'error'>
     */
    private $logLevels = [
        Logger::DEBUG     => 'log',
        Logger::INFO      => 'info',
        Logger::NOTICE    => 'info',
        Logger::WARNING   => 'warn',
        Logger::ERROR     => 'error',
        Logger::CRITICAL  => 'error',
        Logger::ALERT     => 'error',
        Logger::EMERGENCY => 'error',
    ];

    /**
     * {@inheritDoc}
     */
    public function format(array $record)
    {
        // Retrieve the line and file if set and remove them from the formatted extra
        $backtrace = 'unknown';
        if (isset($record['extra']['file'], $record['extra']['line'])) {
            $backtrace = $record['extra']['file'].' : '.$record['extra']['line'];
            unset($record['extra']['file'], $record['extra']['line']);
        }

        $message = ['message' => $record['message']];
        if ($record['context']) {
            $message['context'] = $record['context'];
        }
        if ($record['extra']) {
            $message['extra'] = $record['extra'];
        }
        if (count($message) === 1) {
            $message = reset($message);
        }

        return [
            $record['channel'],
            $message,
            $backtrace,
            $this->logLevels[$record['level']],
        ];
    }

    /**
     * {@inheritDoc}
     */
    public function formatBatch(array $records)
    {
        $formatted = [];

        foreach ($records as $record) {
            $formatted[] = $this->format($record);
        }

        return $formatted;
    }
}
PK     ÅˆU]EÝ�§È  È  D  vendor/monolog/monolog/src/Monolog/Formatter/NormalizerFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\DateTimeImmutable;
use Monolog\Utils;
use Throwable;

/**
 * Normalizes incoming records to remove objects/resources so it's easier to dump to various targets
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class NormalizerFormatter implements FormatterInterface
{
    public const SIMPLE_DATE = "Y-m-d\TH:i:sP";

    /** @var string */
    protected $dateFormat;
    /** @var int */
    protected $maxNormalizeDepth = 9;
    /** @var int */
    protected $maxNormalizeItemCount = 1000;

    /** @var int */
    private $jsonEncodeOptions = Utils::DEFAULT_JSON_FLAGS;

    /**
     * @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
     */
    public function __construct(?string $dateFormat = null)
    {
        $this->dateFormat = null === $dateFormat ? static::SIMPLE_DATE : $dateFormat;
        if (!function_exists('json_encode')) {
            throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s NormalizerFormatter');
        }
    }

    /**
     * {@inheritDoc}
     *
     * @param mixed[] $record
     */
    public function format(array $record)
    {
        return $this->normalize($record);
    }

    /**
     * {@inheritDoc}
     */
    public function formatBatch(array $records)
    {
        foreach ($records as $key => $record) {
            $records[$key] = $this->format($record);
        }

        return $records;
    }

    public function getDateFormat(): string
    {
        return $this->dateFormat;
    }

    public function setDateFormat(string $dateFormat): self
    {
        $this->dateFormat = $dateFormat;

        return $this;
    }

    /**
     * The maximum number of normalization levels to go through
     */
    public function getMaxNormalizeDepth(): int
    {
        return $this->maxNormalizeDepth;
    }

    public function setMaxNormalizeDepth(int $maxNormalizeDepth): self
    {
        $this->maxNormalizeDepth = $maxNormalizeDepth;

        return $this;
    }

    /**
     * The maximum number of items to normalize per level
     */
    public function getMaxNormalizeItemCount(): int
    {
        return $this->maxNormalizeItemCount;
    }

    public function setMaxNormalizeItemCount(int $maxNormalizeItemCount): self
    {
        $this->maxNormalizeItemCount = $maxNormalizeItemCount;

        return $this;
    }

    /**
     * Enables `json_encode` pretty print.
     */
    public function setJsonPrettyPrint(bool $enable): self
    {
        if ($enable) {
            $this->jsonEncodeOptions |= JSON_PRETTY_PRINT;
        } else {
            $this->jsonEncodeOptions &= ~JSON_PRETTY_PRINT;
        }

        return $this;
    }

    /**
     * @param  mixed                $data
     * @return null|scalar|array<array|scalar|null>
     */
    protected function normalize($data, int $depth = 0)
    {
        if ($depth > $this->maxNormalizeDepth) {
            return 'Over ' . $this->maxNormalizeDepth . ' levels deep, aborting normalization';
        }

        if (null === $data || is_scalar($data)) {
            if (is_float($data)) {
                if (is_infinite($data)) {
                    return ($data > 0 ? '' : '-') . 'INF';
                }
                if (is_nan($data)) {
                    return 'NaN';
                }
            }

            return $data;
        }

        if (is_array($data)) {
            $normalized = [];

            $count = 1;
            foreach ($data as $key => $value) {
                if ($count++ > $this->maxNormalizeItemCount) {
                    $normalized['...'] = 'Over ' . $this->maxNormalizeItemCount . ' items ('.count($data).' total), aborting normalization';
                    break;
                }

                $normalized[$key] = $this->normalize($value, $depth + 1);
            }

            return $normalized;
        }

        if ($data instanceof \DateTimeInterface) {
            return $this->formatDate($data);
        }

        if (is_object($data)) {
            if ($data instanceof Throwable) {
                return $this->normalizeException($data, $depth);
            }

            if ($data instanceof \JsonSerializable) {
                /** @var null|scalar|array<array|scalar|null> $value */
                $value = $data->jsonSerialize();
            } elseif (method_exists($data, '__toString')) {
                /** @var string $value */
                $value = $data->__toString();
            } else {
                // the rest is normalized by json encoding and decoding it
                /** @var null|scalar|array<array|scalar|null> $value */
                $value = json_decode($this->toJson($data, true), true);
            }

            return [Utils::getClass($data) => $value];
        }

        if (is_resource($data)) {
            return sprintf('[resource(%s)]', get_resource_type($data));
        }

        return '[unknown('.gettype($data).')]';
    }

    /**
     * @return mixed[]
     */
    protected function normalizeException(Throwable $e, int $depth = 0)
    {
        if ($e instanceof \JsonSerializable) {
            return (array) $e->jsonSerialize();
        }

        $data = [
            'class' => Utils::getClass($e),
            'message' => $e->getMessage(),
            'code' => (int) $e->getCode(),
            'file' => $e->getFile().':'.$e->getLine(),
        ];

        if ($e instanceof \SoapFault) {
            if (isset($e->faultcode)) {
                $data['faultcode'] = $e->faultcode;
            }

            if (isset($e->faultactor)) {
                $data['faultactor'] = $e->faultactor;
            }

            if (isset($e->detail)) {
                if (is_string($e->detail)) {
                    $data['detail'] = $e->detail;
                } elseif (is_object($e->detail) || is_array($e->detail)) {
                    $data['detail'] = $this->toJson($e->detail, true);
                }
            }
        }

        $trace = $e->getTrace();
        foreach ($trace as $frame) {
            if (isset($frame['file'])) {
                $data['trace'][] = $frame['file'].':'.$frame['line'];
            }
        }

        if ($previous = $e->getPrevious()) {
            $data['previous'] = $this->normalizeException($previous, $depth + 1);
        }

        return $data;
    }

    /**
     * Return the JSON representation of a value
     *
     * @param  mixed             $data
     * @throws \RuntimeException if encoding fails and errors are not ignored
     * @return string            if encoding fails and ignoreErrors is true 'null' is returned
     */
    protected function toJson($data, bool $ignoreErrors = false): string
    {
        return Utils::jsonEncode($data, $this->jsonEncodeOptions, $ignoreErrors);
    }

    /**
     * @return string
     */
    protected function formatDate(\DateTimeInterface $date)
    {
        // in case the date format isn't custom then we defer to the custom DateTimeImmutable
        // formatting logic, which will pick the right format based on whether useMicroseconds is on
        if ($this->dateFormat === self::SIMPLE_DATE && $date instanceof DateTimeImmutable) {
            return (string) $date;
        }

        return $date->format($this->dateFormat);
    }

    public function addJsonEncodeOption(int $option): self
    {
        $this->jsonEncodeOptions |= $option;

        return $this;
    }

    public function removeJsonEncodeOption(int $option): self
    {
        $this->jsonEncodeOptions &= ~$option;

        return $this;
    }
}
PK     ÅˆU]Aª'ýE  E  E  vendor/monolog/monolog/src/Monolog/Formatter/GelfMessageFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Logger;
use Gelf\Message;
use Monolog\Utils;

/**
 * Serializes a log message to GELF
 * @see http://docs.graylog.org/en/latest/pages/gelf.html
 *
 * @author Matt Lehner <mlehner@gmail.com>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 */
class GelfMessageFormatter extends NormalizerFormatter
{
    protected const DEFAULT_MAX_LENGTH = 32766;

    /**
     * @var string the name of the system for the Gelf log message
     */
    protected $systemName;

    /**
     * @var string a prefix for 'extra' fields from the Monolog record (optional)
     */
    protected $extraPrefix;

    /**
     * @var string a prefix for 'context' fields from the Monolog record (optional)
     */
    protected $contextPrefix;

    /**
     * @var int max length per field
     */
    protected $maxLength;

    /**
     * Translates Monolog log levels to Graylog2 log priorities.
     *
     * @var array<int, int>
     *
     * @phpstan-var array<Level, int>
     */
    private $logLevels = [
        Logger::DEBUG     => 7,
        Logger::INFO      => 6,
        Logger::NOTICE    => 5,
        Logger::WARNING   => 4,
        Logger::ERROR     => 3,
        Logger::CRITICAL  => 2,
        Logger::ALERT     => 1,
        Logger::EMERGENCY => 0,
    ];

    public function __construct(?string $systemName = null, ?string $extraPrefix = null, string $contextPrefix = 'ctxt_', ?int $maxLength = null)
    {
        if (!class_exists(Message::class)) {
            throw new \RuntimeException('Composer package graylog2/gelf-php is required to use Monolog\'s GelfMessageFormatter');
        }

        parent::__construct('U.u');

        $this->systemName = (is_null($systemName) || $systemName === '') ? (string) gethostname() : $systemName;

        $this->extraPrefix = is_null($extraPrefix) ? '' : $extraPrefix;
        $this->contextPrefix = $contextPrefix;
        $this->maxLength = is_null($maxLength) ? self::DEFAULT_MAX_LENGTH : $maxLength;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record): Message
    {
        $context = $extra = [];
        if (isset($record['context'])) {
            /** @var mixed[] $context */
            $context = parent::normalize($record['context']);
        }
        if (isset($record['extra'])) {
            /** @var mixed[] $extra */
            $extra = parent::normalize($record['extra']);
        }

        if (!isset($record['datetime'], $record['message'], $record['level'])) {
            throw new \InvalidArgumentException('The record should at least contain datetime, message and level keys, '.var_export($record, true).' given');
        }

        $message = new Message();
        $message
            ->setTimestamp($record['datetime'])
            ->setShortMessage((string) $record['message'])
            ->setHost($this->systemName)
            ->setLevel($this->logLevels[$record['level']]);

        // message length + system name length + 200 for padding / metadata
        $len = 200 + strlen((string) $record['message']) + strlen($this->systemName);

        if ($len > $this->maxLength) {
            $message->setShortMessage(Utils::substr($record['message'], 0, $this->maxLength));
        }

        if (isset($record['channel'])) {
            $message->setFacility($record['channel']);
        }
        if (isset($extra['line'])) {
            $message->setLine($extra['line']);
            unset($extra['line']);
        }
        if (isset($extra['file'])) {
            $message->setFile($extra['file']);
            unset($extra['file']);
        }

        foreach ($extra as $key => $val) {
            $val = is_scalar($val) || null === $val ? $val : $this->toJson($val);
            $len = strlen($this->extraPrefix . $key . $val);
            if ($len > $this->maxLength) {
                $message->setAdditional($this->extraPrefix . $key, Utils::substr((string) $val, 0, $this->maxLength));

                continue;
            }
            $message->setAdditional($this->extraPrefix . $key, $val);
        }

        foreach ($context as $key => $val) {
            $val = is_scalar($val) || null === $val ? $val : $this->toJson($val);
            $len = strlen($this->contextPrefix . $key . $val);
            if ($len > $this->maxLength) {
                $message->setAdditional($this->contextPrefix . $key, Utils::substr((string) $val, 0, $this->maxLength));

                continue;
            }
            $message->setAdditional($this->contextPrefix . $key, $val);
        }

        /** @phpstan-ignore-next-line */
        if (null === $message->getFile() && isset($context['exception']['file'])) {
            if (preg_match("/^(.+):([0-9]+)$/", $context['exception']['file'], $matches)) {
                $message->setFile($matches[1]);
                $message->setLine($matches[2]);
            }
        }

        return $message;
    }
}
PK     ÅˆU]•�qRÌ  Ì  B  vendor/monolog/monolog/src/Monolog/Formatter/LogmaticFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * Encodes message information into JSON in a format compatible with Logmatic.
 *
 * @author Julien Breux <julien.breux@gmail.com>
 */
class LogmaticFormatter extends JsonFormatter
{
    protected const MARKERS = ["sourcecode", "php"];

    /**
     * @var string
     */
    protected $hostname = '';

    /**
     * @var string
     */
    protected $appname = '';

    public function setHostname(string $hostname): self
    {
        $this->hostname = $hostname;

        return $this;
    }

    public function setAppname(string $appname): self
    {
        $this->appname = $appname;

        return $this;
    }

    /**
     * Appends the 'hostname' and 'appname' parameter for indexing by Logmatic.
     *
     * @see http://doc.logmatic.io/docs/basics-to-send-data
     * @see \Monolog\Formatter\JsonFormatter::format()
     */
    public function format(array $record): string
    {
        if (!empty($this->hostname)) {
            $record["hostname"] = $this->hostname;
        }
        if (!empty($this->appname)) {
            $record["appname"] = $this->appname;
        }

        $record["@marker"] = static::MARKERS;

        return parent::format($record);
    }
}
PK     ÆˆU]¡Ø‘    @  vendor/monolog/monolog/src/Monolog/Formatter/LogglyFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * Encodes message information into JSON in a format compatible with Loggly.
 *
 * @author Adam Pancutt <adam@pancutt.com>
 */
class LogglyFormatter extends JsonFormatter
{
    /**
     * Overrides the default batch mode to new lines for compatibility with the
     * Loggly bulk API.
     */
    public function __construct(int $batchMode = self::BATCH_MODE_NEWLINES, bool $appendNewline = false)
    {
        parent::__construct($batchMode, $appendNewline);
    }

    /**
     * Appends the 'timestamp' parameter for indexing by Loggly.
     *
     * @see https://www.loggly.com/docs/automated-parsing/#json
     * @see \Monolog\Formatter\JsonFormatter::format()
     */
    public function format(array $record): string
    {
        if (isset($record["datetime"]) && ($record["datetime"] instanceof \DateTimeInterface)) {
            $record["timestamp"] = $record["datetime"]->format("Y-m-d\TH:i:s.uO");
            unset($record["datetime"]);
        }

        return parent::format($record);
    }
}
PK     ÆˆU]&	‰ª¡  ¡  >  vendor/monolog/monolog/src/Monolog/Formatter/HtmlFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Logger;
use Monolog\Utils;

/**
 * Formats incoming records into an HTML table
 *
 * This is especially useful for html email logging
 *
 * @author Tiago Brito <tlfbrito@gmail.com>
 */
class HtmlFormatter extends NormalizerFormatter
{
    /**
     * Translates Monolog log levels to html color priorities.
     *
     * @var array<int, string>
     */
    protected $logLevels = [
        Logger::DEBUG     => '#CCCCCC',
        Logger::INFO      => '#28A745',
        Logger::NOTICE    => '#17A2B8',
        Logger::WARNING   => '#FFC107',
        Logger::ERROR     => '#FD7E14',
        Logger::CRITICAL  => '#DC3545',
        Logger::ALERT     => '#821722',
        Logger::EMERGENCY => '#000000',
    ];

    /**
     * @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
     */
    public function __construct(?string $dateFormat = null)
    {
        parent::__construct($dateFormat);
    }

    /**
     * Creates an HTML table row
     *
     * @param string $th       Row header content
     * @param string $td       Row standard cell content
     * @param bool   $escapeTd false if td content must not be html escaped
     */
    protected function addRow(string $th, string $td = ' ', bool $escapeTd = true): string
    {
        $th = htmlspecialchars($th, ENT_NOQUOTES, 'UTF-8');
        if ($escapeTd) {
            $td = '<pre>'.htmlspecialchars($td, ENT_NOQUOTES, 'UTF-8').'</pre>';
        }

        return "<tr style=\"padding: 4px;text-align: left;\">\n<th style=\"vertical-align: top;background: #ccc;color: #000\" width=\"100\">$th:</th>\n<td style=\"padding: 4px;text-align: left;vertical-align: top;background: #eee;color: #000\">".$td."</td>\n</tr>";
    }

    /**
     * Create a HTML h1 tag
     *
     * @param  string $title Text to be in the h1
     * @param  int    $level Error level
     * @return string
     */
    protected function addTitle(string $title, int $level): string
    {
        $title = htmlspecialchars($title, ENT_NOQUOTES, 'UTF-8');

        return '<h1 style="background: '.$this->logLevels[$level].';color: #ffffff;padding: 5px;" class="monolog-output">'.$title.'</h1>';
    }

    /**
     * Formats a log record.
     *
     * @return string The formatted record
     */
    public function format(array $record): string
    {
        $output = $this->addTitle($record['level_name'], $record['level']);
        $output .= '<table cellspacing="1" width="100%" class="monolog-output">';

        $output .= $this->addRow('Message', (string) $record['message']);
        $output .= $this->addRow('Time', $this->formatDate($record['datetime']));
        $output .= $this->addRow('Channel', $record['channel']);
        if ($record['context']) {
            $embeddedTable = '<table cellspacing="1" width="100%">';
            foreach ($record['context'] as $key => $value) {
                $embeddedTable .= $this->addRow((string) $key, $this->convertToString($value));
            }
            $embeddedTable .= '</table>';
            $output .= $this->addRow('Context', $embeddedTable, false);
        }
        if ($record['extra']) {
            $embeddedTable = '<table cellspacing="1" width="100%">';
            foreach ($record['extra'] as $key => $value) {
                $embeddedTable .= $this->addRow((string) $key, $this->convertToString($value));
            }
            $embeddedTable .= '</table>';
            $output .= $this->addRow('Extra', $embeddedTable, false);
        }

        return $output.'</table>';
    }

    /**
     * Formats a set of log records.
     *
     * @return string The formatted set of records
     */
    public function formatBatch(array $records): string
    {
        $message = '';
        foreach ($records as $record) {
            $message .= $this->format($record);
        }

        return $message;
    }

    /**
     * @param mixed $data
     */
    protected function convertToString($data): string
    {
        if (null === $data || is_scalar($data)) {
            return (string) $data;
        }

        $data = $this->normalize($data);

        return Utils::jsonEncode($data, JSON_PRETTY_PRINT | Utils::DEFAULT_JSON_FLAGS, true);
    }
}
PK     ÆˆU]13­ca  a  B  vendor/monolog/monolog/src/Monolog/Formatter/WildfireFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Logger;

/**
 * Serializes a log message according to Wildfire's header requirements
 *
 * @author Eric Clemmons (@ericclemmons) <eric@uxdriven.com>
 * @author Christophe Coevoet <stof@notk.org>
 * @author Kirill chEbba Chebunin <iam@chebba.org>
 *
 * @phpstan-import-type Level from \Monolog\Logger
 */
class WildfireFormatter extends NormalizerFormatter
{
    /**
     * Translates Monolog log levels to Wildfire levels.
     *
     * @var array<Level, string>
     */
    private $logLevels = [
        Logger::DEBUG     => 'LOG',
        Logger::INFO      => 'INFO',
        Logger::NOTICE    => 'INFO',
        Logger::WARNING   => 'WARN',
        Logger::ERROR     => 'ERROR',
        Logger::CRITICAL  => 'ERROR',
        Logger::ALERT     => 'ERROR',
        Logger::EMERGENCY => 'ERROR',
    ];

    /**
     * @param string|null $dateFormat The format of the timestamp: one supported by DateTime::format
     */
    public function __construct(?string $dateFormat = null)
    {
        parent::__construct($dateFormat);

        // http headers do not like non-ISO-8559-1 characters
        $this->removeJsonEncodeOption(JSON_UNESCAPED_UNICODE);
    }

    /**
     * {@inheritDoc}
     *
     * @return string
     */
    public function format(array $record): string
    {
        // Retrieve the line and file if set and remove them from the formatted extra
        $file = $line = '';
        if (isset($record['extra']['file'])) {
            $file = $record['extra']['file'];
            unset($record['extra']['file']);
        }
        if (isset($record['extra']['line'])) {
            $line = $record['extra']['line'];
            unset($record['extra']['line']);
        }

        /** @var mixed[] $record */
        $record = $this->normalize($record);
        $message = ['message' => $record['message']];
        $handleError = false;
        if ($record['context']) {
            $message['context'] = $record['context'];
            $handleError = true;
        }
        if ($record['extra']) {
            $message['extra'] = $record['extra'];
            $handleError = true;
        }
        if (count($message) === 1) {
            $message = reset($message);
        }

        if (isset($record['context']['table'])) {
            $type  = 'TABLE';
            $label = $record['channel'] .': '. $record['message'];
            $message = $record['context']['table'];
        } else {
            $type  = $this->logLevels[$record['level']];
            $label = $record['channel'];
        }

        // Create JSON object describing the appearance of the message in the console
        $json = $this->toJson([
            [
                'Type'  => $type,
                'File'  => $file,
                'Line'  => $line,
                'Label' => $label,
            ],
            $message,
        ], $handleError);

        // The message itself is a serialization of the above JSON object + it's length
        return sprintf(
            '%d|%s|',
            strlen($json),
            $json
        );
    }

    /**
     * {@inheritDoc}
     *
     * @phpstan-return never
     */
    public function formatBatch(array $records)
    {
        throw new \BadMethodCallException('Batch formatting does not make sense for the WildfireFormatter');
    }

    /**
     * {@inheritDoc}
     *
     * @return null|scalar|array<array|scalar|null>|object
     */
    protected function normalize($data, int $depth = 0)
    {
        if (is_object($data) && !$data instanceof \DateTimeInterface) {
            return $data;
        }

        return parent::normalize($data, $depth);
    }
}
PK     ÆˆU]F‚¸éˆ  ˆ  @  vendor/monolog/monolog/src/Monolog/Formatter/ScalarFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * Formats data into an associative array of scalar values.
 * Objects and arrays will be JSON encoded.
 *
 * @author Andrew Lawson <adlawson@gmail.com>
 */
class ScalarFormatter extends NormalizerFormatter
{
    /**
     * {@inheritDoc}
     *
     * @phpstan-return array<string, scalar|null> $record
     */
    public function format(array $record): array
    {
        $result = [];
        foreach ($record as $key => $value) {
            $result[$key] = $this->normalizeValue($value);
        }

        return $result;
    }

    /**
     * @param  mixed                      $value
     * @return scalar|null
     */
    protected function normalizeValue($value)
    {
        $normalized = $this->normalize($value);

        if (is_array($normalized)) {
            return $this->toJson($normalized, true);
        }

        return $normalized;
    }
}
PK     ÆˆU]ùÕ1e    B  vendor/monolog/monolog/src/Monolog/Formatter/ElasticaFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Elastica\Document;

/**
 * Format a log message into an Elastica Document
 *
 * @author Jelle Vink <jelle.vink@gmail.com>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class ElasticaFormatter extends NormalizerFormatter
{
    /**
     * @var string Elastic search index name
     */
    protected $index;

    /**
     * @var ?string Elastic search document type
     */
    protected $type;

    /**
     * @param string  $index Elastic Search index name
     * @param ?string $type  Elastic Search document type, deprecated as of Elastica 7
     */
    public function __construct(string $index, ?string $type)
    {
        // elasticsearch requires a ISO 8601 format date with optional millisecond precision.
        parent::__construct('Y-m-d\TH:i:s.uP');

        $this->index = $index;
        $this->type = $type;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record)
    {
        $record = parent::format($record);

        return $this->getDocument($record);
    }

    public function getIndex(): string
    {
        return $this->index;
    }

    /**
     * @deprecated since Elastica 7 type has no effect
     */
    public function getType(): string
    {
        /** @phpstan-ignore-next-line */
        return $this->type;
    }

    /**
     * Convert a log message into an Elastica Document
     *
     * @phpstan-param Record $record
     */
    protected function getDocument(array $record): Document
    {
        $document = new Document();
        $document->setData($record);
        if (method_exists($document, 'setType')) {
            /** @phpstan-ignore-next-line */
            $document->setType($this->type);
        }
        $document->setIndex($this->index);

        return $document;
    }
}
PK     ÆˆU]¯Öël  l  A  vendor/monolog/monolog/src/Monolog/Formatter/MongoDBFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use MongoDB\BSON\Type;
use MongoDB\BSON\UTCDateTime;
use Monolog\Utils;

/**
 * Formats a record for use with the MongoDBHandler.
 *
 * @author Florian Plattner <me@florianplattner.de>
 */
class MongoDBFormatter implements FormatterInterface
{
    /** @var bool */
    private $exceptionTraceAsString;
    /** @var int */
    private $maxNestingLevel;
    /** @var bool */
    private $isLegacyMongoExt;

    /**
     * @param int  $maxNestingLevel        0 means infinite nesting, the $record itself is level 1, $record['context'] is 2
     * @param bool $exceptionTraceAsString set to false to log exception traces as a sub documents instead of strings
     */
    public function __construct(int $maxNestingLevel = 3, bool $exceptionTraceAsString = true)
    {
        $this->maxNestingLevel = max($maxNestingLevel, 0);
        $this->exceptionTraceAsString = $exceptionTraceAsString;

        $this->isLegacyMongoExt = extension_loaded('mongodb') && version_compare((string) phpversion('mongodb'), '1.1.9', '<=');
    }

    /**
     * {@inheritDoc}
     *
     * @return mixed[]
     */
    public function format(array $record): array
    {
        /** @var mixed[] $res */
        $res = $this->formatArray($record);

        return $res;
    }

    /**
     * {@inheritDoc}
     *
     * @return array<mixed[]>
     */
    public function formatBatch(array $records): array
    {
        $formatted = [];
        foreach ($records as $key => $record) {
            $formatted[$key] = $this->format($record);
        }

        return $formatted;
    }

    /**
     * @param  mixed[]        $array
     * @return mixed[]|string Array except when max nesting level is reached then a string "[...]"
     */
    protected function formatArray(array $array, int $nestingLevel = 0)
    {
        if ($this->maxNestingLevel > 0 && $nestingLevel > $this->maxNestingLevel) {
            return '[...]';
        }

        foreach ($array as $name => $value) {
            if ($value instanceof \DateTimeInterface) {
                $array[$name] = $this->formatDate($value, $nestingLevel + 1);
            } elseif ($value instanceof \Throwable) {
                $array[$name] = $this->formatException($value, $nestingLevel + 1);
            } elseif (is_array($value)) {
                $array[$name] = $this->formatArray($value, $nestingLevel + 1);
            } elseif (is_object($value) && !$value instanceof Type) {
                $array[$name] = $this->formatObject($value, $nestingLevel + 1);
            }
        }

        return $array;
    }

    /**
     * @param  mixed          $value
     * @return mixed[]|string
     */
    protected function formatObject($value, int $nestingLevel)
    {
        $objectVars = get_object_vars($value);
        $objectVars['class'] = Utils::getClass($value);

        return $this->formatArray($objectVars, $nestingLevel);
    }

    /**
     * @return mixed[]|string
     */
    protected function formatException(\Throwable $exception, int $nestingLevel)
    {
        $formattedException = [
            'class' => Utils::getClass($exception),
            'message' => $exception->getMessage(),
            'code' => (int) $exception->getCode(),
            'file' => $exception->getFile() . ':' . $exception->getLine(),
        ];

        if ($this->exceptionTraceAsString === true) {
            $formattedException['trace'] = $exception->getTraceAsString();
        } else {
            $formattedException['trace'] = $exception->getTrace();
        }

        return $this->formatArray($formattedException, $nestingLevel);
    }

    protected function formatDate(\DateTimeInterface $value, int $nestingLevel): UTCDateTime
    {
        if ($this->isLegacyMongoExt) {
            return $this->legacyGetMongoDbDateTime($value);
        }

        return $this->getMongoDbDateTime($value);
    }

    private function getMongoDbDateTime(\DateTimeInterface $value): UTCDateTime
    {
        return new UTCDateTime((int) floor(((float) $value->format('U.u')) * 1000));
    }

    /**
     * This is needed to support MongoDB Driver v1.19 and below
     *
     * See https://github.com/mongodb/mongo-php-driver/issues/426
     *
     * It can probably be removed in 2.1 or later once MongoDB's 1.2 is released and widely adopted
     */
    private function legacyGetMongoDbDateTime(\DateTimeInterface $value): UTCDateTime
    {
        $milliseconds = floor(((float) $value->format('U.u')) * 1000);

        $milliseconds = (PHP_INT_SIZE == 8) //64-bit OS?
            ? (int) $milliseconds
            : (string) $milliseconds;

        // @phpstan-ignore-next-line
        return new UTCDateTime($milliseconds);
    }
}
PK     ÆˆU]iŠøSD  D  >  vendor/monolog/monolog/src/Monolog/Formatter/JsonFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Throwable;

/**
 * Encodes whatever record data is passed to it as json
 *
 * This can be useful to log to databases or remote APIs
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
class JsonFormatter extends NormalizerFormatter
{
    public const BATCH_MODE_JSON = 1;
    public const BATCH_MODE_NEWLINES = 2;

    /** @var self::BATCH_MODE_* */
    protected $batchMode;
    /** @var bool */
    protected $appendNewline;
    /** @var bool */
    protected $ignoreEmptyContextAndExtra;
    /** @var bool */
    protected $includeStacktraces = false;

    /**
     * @param self::BATCH_MODE_* $batchMode
     */
    public function __construct(int $batchMode = self::BATCH_MODE_JSON, bool $appendNewline = true, bool $ignoreEmptyContextAndExtra = false, bool $includeStacktraces = false)
    {
        $this->batchMode = $batchMode;
        $this->appendNewline = $appendNewline;
        $this->ignoreEmptyContextAndExtra = $ignoreEmptyContextAndExtra;
        $this->includeStacktraces = $includeStacktraces;

        parent::__construct();
    }

    /**
     * The batch mode option configures the formatting style for
     * multiple records. By default, multiple records will be
     * formatted as a JSON-encoded array. However, for
     * compatibility with some API endpoints, alternative styles
     * are available.
     */
    public function getBatchMode(): int
    {
        return $this->batchMode;
    }

    /**
     * True if newlines are appended to every formatted record
     */
    public function isAppendingNewlines(): bool
    {
        return $this->appendNewline;
    }

    /**
     * {@inheritDoc}
     */
    public function format(array $record): string
    {
        $normalized = $this->normalize($record);

        if (isset($normalized['context']) && $normalized['context'] === []) {
            if ($this->ignoreEmptyContextAndExtra) {
                unset($normalized['context']);
            } else {
                $normalized['context'] = new \stdClass;
            }
        }
        if (isset($normalized['extra']) && $normalized['extra'] === []) {
            if ($this->ignoreEmptyContextAndExtra) {
                unset($normalized['extra']);
            } else {
                $normalized['extra'] = new \stdClass;
            }
        }

        return $this->toJson($normalized, true) . ($this->appendNewline ? "\n" : '');
    }

    /**
     * {@inheritDoc}
     */
    public function formatBatch(array $records): string
    {
        switch ($this->batchMode) {
            case static::BATCH_MODE_NEWLINES:
                return $this->formatBatchNewlines($records);

            case static::BATCH_MODE_JSON:
            default:
                return $this->formatBatchJson($records);
        }
    }

    /**
     * @return self
     */
    public function includeStacktraces(bool $include = true): self
    {
        $this->includeStacktraces = $include;

        return $this;
    }

    /**
     * Return a JSON-encoded array of records.
     *
     * @phpstan-param Record[] $records
     */
    protected function formatBatchJson(array $records): string
    {
        return $this->toJson($this->normalize($records), true);
    }

    /**
     * Use new lines to separate records instead of a
     * JSON-encoded array.
     *
     * @phpstan-param Record[] $records
     */
    protected function formatBatchNewlines(array $records): string
    {
        $instance = $this;

        $oldNewline = $this->appendNewline;
        $this->appendNewline = false;
        array_walk($records, function (&$value, $key) use ($instance) {
            $value = $instance->format($value);
        });
        $this->appendNewline = $oldNewline;

        return implode("\n", $records);
    }

    /**
     * Normalizes given $data.
     *
     * @param mixed $data
     *
     * @return mixed
     */
    protected function normalize($data, int $depth = 0)
    {
        if ($depth > $this->maxNormalizeDepth) {
            return 'Over '.$this->maxNormalizeDepth.' levels deep, aborting normalization';
        }

        if (is_array($data)) {
            $normalized = [];

            $count = 1;
            foreach ($data as $key => $value) {
                if ($count++ > $this->maxNormalizeItemCount) {
                    $normalized['...'] = 'Over '.$this->maxNormalizeItemCount.' items ('.count($data).' total), aborting normalization';
                    break;
                }

                $normalized[$key] = $this->normalize($value, $depth + 1);
            }

            return $normalized;
        }

        if ($data instanceof \DateTimeInterface) {
            return $this->formatDate($data);
        }

        if ($data instanceof Throwable) {
            return $this->normalizeException($data, $depth);
        }

        if (is_resource($data)) {
            return parent::normalize($data);
        }

        return $data;
    }

    /**
     * Normalizes given exception with or without its own stack trace based on
     * `includeStacktraces` property.
     *
     * {@inheritDoc}
     */
    protected function normalizeException(Throwable $e, int $depth = 0): array
    {
        $data = parent::normalizeException($e, $depth);
        if (!$this->includeStacktraces) {
            unset($data['trace']);
        }

        return $data;
    }
}
PK     ÆˆU]½ÏX£°  °  A  vendor/monolog/monolog/src/Monolog/Formatter/FluentdFormatter.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

use Monolog\Utils;

/**
 * Class FluentdFormatter
 *
 * Serializes a log message to Fluentd unix socket protocol
 *
 * Fluentd config:
 *
 * <source>
 *  type unix
 *  path /var/run/td-agent/td-agent.sock
 * </source>
 *
 * Monolog setup:
 *
 * $logger = new Monolog\Logger('fluent.tag');
 * $fluentHandler = new Monolog\Handler\SocketHandler('unix:///var/run/td-agent/td-agent.sock');
 * $fluentHandler->setFormatter(new Monolog\Formatter\FluentdFormatter());
 * $logger->pushHandler($fluentHandler);
 *
 * @author Andrius Putna <fordnox@gmail.com>
 */
class FluentdFormatter implements FormatterInterface
{
    /**
     * @var bool $levelTag should message level be a part of the fluentd tag
     */
    protected $levelTag = false;

    public function __construct(bool $levelTag = false)
    {
        if (!function_exists('json_encode')) {
            throw new \RuntimeException('PHP\'s json extension is required to use Monolog\'s FluentdUnixFormatter');
        }

        $this->levelTag = $levelTag;
    }

    public function isUsingLevelsInTag(): bool
    {
        return $this->levelTag;
    }

    public function format(array $record): string
    {
        $tag = $record['channel'];
        if ($this->levelTag) {
            $tag .= '.' . strtolower($record['level_name']);
        }

        $message = [
            'message' => $record['message'],
            'context' => $record['context'],
            'extra' => $record['extra'],
        ];

        if (!$this->levelTag) {
            $message['level'] = $record['level'];
            $message['level_name'] = $record['level_name'];
        }

        return Utils::jsonEncode([$tag, $record['datetime']->getTimestamp(), $message]);
    }

    public function formatBatch(array $records): string
    {
        $message = '';
        foreach ($records as $record) {
            $message .= $this->format($record);
        }

        return $message;
    }
}
PK     ÆˆU]4ÁÖz¾  ¾  C  vendor/monolog/monolog/src/Monolog/Formatter/FormatterInterface.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Formatter;

/**
 * Interface for formatters
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-import-type Record from \Monolog\Logger
 */
interface FormatterInterface
{
    /**
     * Formats a log record.
     *
     * @param  array $record A record to format
     * @return mixed The formatted record
     *
     * @phpstan-param Record $record
     */
    public function format(array $record);

    /**
     * Formats a set of log records.
     *
     * @param  array $records A set of records to format
     * @return mixed The formatted set of records
     *
     * @phpstan-param Record[] $records
     */
    public function formatBatch(array $records);
}
PK     ÆˆU]vˆ$=  =  8  vendor/monolog/monolog/src/Monolog/DateTimeImmutable.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use DateTimeZone;

/**
 * Overrides default json encoding of date time objects
 *
 * @author Menno Holtkamp
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class DateTimeImmutable extends \DateTimeImmutable implements \JsonSerializable
{
    /**
     * @var bool
     */
    private $useMicroseconds;

    public function __construct(bool $useMicroseconds, ?DateTimeZone $timezone = null)
    {
        $this->useMicroseconds = $useMicroseconds;

        parent::__construct('now', $timezone);
    }

    public function jsonSerialize(): string
    {
        if ($this->useMicroseconds) {
            return $this->format('Y-m-d\TH:i:s.uP');
        }

        return $this->format('Y-m-d\TH:i:sP');
    }

    public function __toString(): string
    {
        return $this->jsonSerialize();
    }
}
PK     ÇˆU]¯Š(Õù  ù  C  vendor/monolog/monolog/src/Monolog/Attribute/AsMonologProcessor.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog\Attribute;

/**
 * A reusable attribute to help configure a class or a method as a processor.
 * 
 * Using it offers no guarantee: it needs to be leveraged by a Monolog third-party consumer.
 * 
 * Using it with the Monolog library only has no effect at all: processors should still be turned into a callable if
 * needed and manually pushed to the loggers and to the processable handlers.
 */
#[\Attribute(\Attribute::TARGET_CLASS | \Attribute::TARGET_METHOD | \Attribute::IS_REPEATABLE)]
class AsMonologProcessor
{
    /** @var string|null */
    public $channel = null;
    /** @var string|null */
    public $handler = null;
    /** @var string|null */
    public $method = null;
    
    /**
     * @param string|null $channel  The logging channel the processor should be pushed to.
     * @param string|null $handler  The handler the processor should be pushed to.
     * @param string|null $method   The method that processes the records (if the attribute is used at the class level).
     */
    public function __construct(
        ?string $channel = null,
        ?string $handler = null,
        ?string $method = null
    ) {
        $this->channel = $channel;
        $this->handler = $handler;
        $this->method = $method;
    }
} 
PK     ÇˆU],ÇõjëK  ëK  -  vendor/monolog/monolog/src/Monolog/Logger.phpnu „[µü¤        <?php declare(strict_types=1);

/*
 * This file is part of the Monolog package.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Monolog;

use DateTimeZone;
use Monolog\Handler\HandlerInterface;
use Psr\Log\LoggerInterface;
use Psr\Log\InvalidArgumentException;
use Psr\Log\LogLevel;
use Throwable;
use Stringable;

/**
 * Monolog log channel
 *
 * It contains a stack of Handlers and a stack of Processors,
 * and uses them to store records that are added to it.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @phpstan-type Level Logger::DEBUG|Logger::INFO|Logger::NOTICE|Logger::WARNING|Logger::ERROR|Logger::CRITICAL|Logger::ALERT|Logger::EMERGENCY
 * @phpstan-type LevelName 'DEBUG'|'INFO'|'NOTICE'|'WARNING'|'ERROR'|'CRITICAL'|'ALERT'|'EMERGENCY'
 * @phpstan-type Record array{message: string, context: mixed[], level: Level, level_name: LevelName, channel: string, datetime: \DateTimeImmutable, extra: mixed[]}
 */
class Logger implements LoggerInterface, ResettableInterface
{
    /**
     * Detailed debug information
     */
    public const DEBUG = 100;

    /**
     * Interesting events
     *
     * Examples: User logs in, SQL logs.
     */
    public const INFO = 200;

    /**
     * Uncommon events
     */
    public const NOTICE = 250;

    /**
     * Exceptional occurrences that are not errors
     *
     * Examples: Use of deprecated APIs, poor use of an API,
     * undesirable things that are not necessarily wrong.
     */
    public const WARNING = 300;

    /**
     * Runtime errors
     */
    public const ERROR = 400;

    /**
     * Critical conditions
     *
     * Example: Application component unavailable, unexpected exception.
     */
    public const CRITICAL = 500;

    /**
     * Action must be taken immediately
     *
     * Example: Entire website down, database unavailable, etc.
     * This should trigger the SMS alerts and wake you up.
     */
    public const ALERT = 550;

    /**
     * Urgent alert.
     */
    public const EMERGENCY = 600;

    /**
     * Monolog API version
     *
     * This is only bumped when API breaks are done and should
     * follow the major version of the library
     *
     * @var int
     */
    public const API = 2;

    /**
     * This is a static variable and not a constant to serve as an extension point for custom levels
     *
     * @var array<int, string> $levels Logging levels with the levels as key
     *
     * @phpstan-var array<Level, LevelName> $levels Logging levels with the levels as key
     */
    protected static $levels = [
        self::DEBUG     => 'DEBUG',
        self::INFO      => 'INFO',
        self::NOTICE    => 'NOTICE',
        self::WARNING   => 'WARNING',
        self::ERROR     => 'ERROR',
        self::CRITICAL  => 'CRITICAL',
        self::ALERT     => 'ALERT',
        self::EMERGENCY => 'EMERGENCY',
    ];

    /**
     * @var string
     */
    protected $name;

    /**
     * The handler stack
     *
     * @var HandlerInterface[]
     */
    protected $handlers;

    /**
     * Processors that will process all log records
     *
     * To process records of a single handler instead, add the processor on that specific handler
     *
     * @var callable[]
     */
    protected $processors;

    /**
     * @var bool
     */
    protected $microsecondTimestamps = true;

    /**
     * @var DateTimeZone
     */
    protected $timezone;

    /**
     * @var callable|null
     */
    protected $exceptionHandler;

    /**
     * @var int Keeps track of depth to prevent infinite logging loops
     */
    private $logDepth = 0;

    /**
     * @psalm-param array<callable(array): array> $processors
     *
     * @param string             $name       The logging channel, a simple descriptive name that is attached to all log records
     * @param HandlerInterface[] $handlers   Optional stack of handlers, the first one in the array is called first, etc.
     * @param callable[]         $processors Optional array of processors
     * @param DateTimeZone|null  $timezone   Optional timezone, if not provided date_default_timezone_get() will be used
     */
    public function __construct(string $name, array $handlers = [], array $processors = [], ?DateTimeZone $timezone = null)
    {
        $this->name = $name;
        $this->setHandlers($handlers);
        $this->processors = $processors;
        $this->timezone = $timezone ?: new DateTimeZone(date_default_timezone_get() ?: 'UTC');
    }

    public function getName(): string
    {
        return $this->name;
    }

    /**
     * Return a new cloned instance with the name changed
     */
    public function withName(string $name): self
    {
        $new = clone $this;
        $new->name = $name;

        return $new;
    }

    /**
     * Pushes a handler on to the stack.
     */
    public function pushHandler(HandlerInterface $handler): self
    {
        array_unshift($this->handlers, $handler);

        return $this;
    }

    /**
     * Pops a handler from the stack
     *
     * @throws \LogicException If empty handler stack
     */
    public function popHandler(): HandlerInterface
    {
        if (!$this->handlers) {
            throw new \LogicException('You tried to pop from an empty handler stack.');
        }

        return array_shift($this->handlers);
    }

    /**
     * Set handlers, replacing all existing ones.
     *
     * If a map is passed, keys will be ignored.
     *
     * @param HandlerInterface[] $handlers
     */
    public function setHandlers(array $handlers): self
    {
        $this->handlers = [];
        foreach (array_reverse($handlers) as $handler) {
            $this->pushHandler($handler);
        }

        return $this;
    }

    /**
     * @return HandlerInterface[]
     */
    public function getHandlers(): array
    {
        return $this->handlers;
    }

    /**
     * Adds a processor on to the stack.
     */
    public function pushProcessor(callable $callback): self
    {
        array_unshift($this->processors, $callback);

        return $this;
    }

    /**
     * Removes the processor on top of the stack and returns it.
     *
     * @throws \LogicException If empty processor stack
     * @return callable
     */
    public function popProcessor(): callable
    {
        if (!$this->processors) {
            throw new \LogicException('You tried to pop from an empty processor stack.');
        }

        return array_shift($this->processors);
    }

    /**
     * @return callable[]
     */
    public function getProcessors(): array
    {
        return $this->processors;
    }

    /**
     * Control the use of microsecond resolution timestamps in the 'datetime'
     * member of new records.
     *
     * As of PHP7.1 microseconds are always included by the engine, so
     * there is no performance penalty and Monolog 2 enabled microseconds
     * by default. This function lets you disable them though in case you want
     * to suppress microseconds from the output.
     *
     * @param bool $micro True to use microtime() to create timestamps
     */
    public function useMicrosecondTimestamps(bool $micro): self
    {
        $this->microsecondTimestamps = $micro;

        return $this;
    }

    /**
     * Adds a log record.
     *
     * @param  int     $level   The logging level
     * @param  string  $message The log message
     * @param  mixed[] $context The log context
     * @return bool    Whether the record has been processed
     *
     * @phpstan-param Level $level
     */
    public function addRecord(int $level, string $message, array $context = []): bool
    {
        $this->logDepth += 1;
        if ($this->logDepth === 3) {
            $this->warning('A possible infinite logging loop was detected and aborted. It appears some of your handler code is triggering logging, see the previous log record for a hint as to what may be the cause.');
            return false;
        } elseif ($this->logDepth >= 5) { // log depth 4 is let through so we can log the warning above
            return false;
        }

        try {
            $record = null;

            foreach ($this->handlers as $handler) {
                if (null === $record) {
                    // skip creating the record as long as no handler is going to handle it
                    if (!$handler->isHandling(['level' => $level])) {
                        continue;
                    }

                    $levelName = static::getLevelName($level);

                    $record = [
                        'message' => $message,
                        'context' => $context,
                        'level' => $level,
                        'level_name' => $levelName,
                        'channel' => $this->name,
                        'datetime' => new DateTimeImmutable($this->microsecondTimestamps, $this->timezone),
                        'extra' => [],
                    ];

                    try {
                        foreach ($this->processors as $processor) {
                            $record = $processor($record);
                        }
                    } catch (Throwable $e) {
                        $this->handleException($e, $record);

                        return true;
                    }
                }

                // once the record exists, send it to all handlers as long as the bubbling chain is not interrupted
                try {
                    if (true === $handler->handle($record)) {
                        break;
                    }
                } catch (Throwable $e) {
                    $this->handleException($e, $record);

                    return true;
                }
            }
        } finally {
            $this->logDepth--;
        }

        return null !== $record;
    }

    /**
     * Ends a log cycle and frees all resources used by handlers.
     *
     * Closing a Handler means flushing all buffers and freeing any open resources/handles.
     * Handlers that have been closed should be able to accept log records again and re-open
     * themselves on demand, but this may not always be possible depending on implementation.
     *
     * This is useful at the end of a request and will be called automatically on every handler
     * when they get destructed.
     */
    public function close(): void
    {
        foreach ($this->handlers as $handler) {
            $handler->close();
        }
    }

    /**
     * Ends a log cycle and resets all handlers and processors to their initial state.
     *
     * Resetting a Handler or a Processor means flushing/cleaning all buffers, resetting internal
     * state, and getting it back to a state in which it can receive log records again.
     *
     * This is useful in case you want to avoid logs leaking between two requests or jobs when you
     * have a long running process like a worker or an application server serving multiple requests
     * in one process.
     */
    public function reset(): void
    {
        foreach ($this->handlers as $handler) {
            if ($handler instanceof ResettableInterface) {
                $handler->reset();
            }
        }

        foreach ($this->processors as $processor) {
            if ($processor instanceof ResettableInterface) {
                $processor->reset();
            }
        }
    }

    /**
     * Gets all supported logging levels.
     *
     * @return array<string, int> Assoc array with human-readable level names => level codes.
     * @phpstan-return array<LevelName, Level>
     */
    public static function getLevels(): array
    {
        return array_flip(static::$levels);
    }

    /**
     * Gets the name of the logging level.
     *
     * @throws \Psr\Log\InvalidArgumentException If level is not defined
     *
     * @phpstan-param  Level     $level
     * @phpstan-return LevelName
     */
    public static function getLevelName(int $level): string
    {
        if (!isset(static::$levels[$level])) {
            throw new InvalidArgumentException('Level "'.$level.'" is not defined, use one of: '.implode(', ', array_keys(static::$levels)));
        }

        return static::$levels[$level];
    }

    /**
     * Converts PSR-3 levels to Monolog ones if necessary
     *
     * @param  string|int                        $level Level number (monolog) or name (PSR-3)
     * @throws \Psr\Log\InvalidArgumentException If level is not defined
     *
     * @phpstan-param  Level|LevelName|LogLevel::* $level
     * @phpstan-return Level
     */
    public static function toMonologLevel($level): int
    {
        if (is_string($level)) {
            if (is_numeric($level)) {
                /** @phpstan-ignore-next-line */
                return intval($level);
            }

            // Contains chars of all log levels and avoids using strtoupper() which may have
            // strange results depending on locale (for example, "i" will become "Ä°" in Turkish locale)
            $upper = strtr($level, 'abcdefgilmnortuwy', 'ABCDEFGILMNORTUWY');
            if (defined(__CLASS__.'::'.$upper)) {
                return constant(__CLASS__ . '::' . $upper);
            }

            throw new InvalidArgumentException('Level "'.$level.'" is not defined, use one of: '.implode(', ', array_keys(static::$levels) + static::$levels));
        }

        if (!is_int($level)) {
            throw new InvalidArgumentException('Level "'.var_export($level, true).'" is not defined, use one of: '.implode(', ', array_keys(static::$levels) + static::$levels));
        }

        return $level;
    }

    /**
     * Checks whether the Logger has a handler that listens on the given level
     *
     * @phpstan-param Level $level
     */
    public function isHandling(int $level): bool
    {
        $record = [
            'level' => $level,
        ];

        foreach ($this->handlers as $handler) {
            if ($handler->isHandling($record)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Set a custom exception handler that will be called if adding a new record fails
     *
     * The callable will receive an exception object and the record that failed to be logged
     */
    public function setExceptionHandler(?callable $callback): self
    {
        $this->exceptionHandler = $callback;

        return $this;
    }

    public function getExceptionHandler(): ?callable
    {
        return $this->exceptionHandler;
    }

    /**
     * Adds a log record at an arbitrary level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param mixed             $level   The log level
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     *
     * @phpstan-param Level|LevelName|LogLevel::* $level
     */
    public function log($level, $message, array $context = []): void
    {
        if (!is_int($level) && !is_string($level)) {
            throw new \InvalidArgumentException('$level is expected to be a string or int');
        }

        $level = static::toMonologLevel($level);

        $this->addRecord($level, (string) $message, $context);
    }

    /**
     * Adds a log record at the DEBUG level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function debug($message, array $context = []): void
    {
        $this->addRecord(static::DEBUG, (string) $message, $context);
    }

    /**
     * Adds a log record at the INFO level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function info($message, array $context = []): void
    {
        $this->addRecord(static::INFO, (string) $message, $context);
    }

    /**
     * Adds a log record at the NOTICE level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function notice($message, array $context = []): void
    {
        $this->addRecord(static::NOTICE, (string) $message, $context);
    }

    /**
     * Adds a log record at the WARNING level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function warning($message, array $context = []): void
    {
        $this->addRecord(static::WARNING, (string) $message, $context);
    }

    /**
     * Adds a log record at the ERROR level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function error($message, array $context = []): void
    {
        $this->addRecord(static::ERROR, (string) $message, $context);
    }

    /**
     * Adds a log record at the CRITICAL level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function critical($message, array $context = []): void
    {
        $this->addRecord(static::CRITICAL, (string) $message, $context);
    }

    /**
     * Adds a log record at the ALERT level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function alert($message, array $context = []): void
    {
        $this->addRecord(static::ALERT, (string) $message, $context);
    }

    /**
     * Adds a log record at the EMERGENCY level.
     *
     * This method allows for compatibility with common interfaces.
     *
     * @param string|Stringable $message The log message
     * @param mixed[]           $context The log context
     */
    public function emergency($message, array $context = []): void
    {
        $this->addRecord(static::EMERGENCY, (string) $message, $context);
    }

    /**
     * Sets the timezone to be used for the timestamp of log records.
     */
    public function setTimezone(DateTimeZone $tz): self
    {
        $this->timezone = $tz;

        return $this;
    }

    /**
     * Returns the timezone to be used for the timestamp of log records.
     */
    public function getTimezone(): DateTimeZone
    {
        return $this->timezone;
    }

    /**
     * Delegates exception management to the custom exception handler,
     * or throws the exception if no custom handler is set.
     *
     * @param array $record
     * @phpstan-param Record $record
     */
    protected function handleException(Throwable $e, array $record): void
    {
        if (!$this->exceptionHandler) {
            throw $e;
        }

        ($this->exceptionHandler)($e, $record);
    }
}
PK     ÇˆU]Šü…       vendor/autoload.phpnu „[µü¤        <?php

// autoload.php @generated by Composer

if (PHP_VERSION_ID < 50600) {
    if (!headers_sent()) {
        header('HTTP/1.1 500 Internal Server Error');
    }
    $err = 'Composer 2.3.0 dropped support for autoloading on PHP <5.6 and you are running '.PHP_VERSION.', please upgrade PHP or use Composer 2.2 LTS via "composer self-update --2.2". Aborting.'.PHP_EOL;
    if (!ini_get('display_errors')) {
        if (PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg') {
            fwrite(STDERR, $err);
        } elseif (!headers_sent()) {
            echo $err;
        }
    }
    trigger_error(
        $err,
        E_USER_ERROR
    );
}

require_once __DIR__ . '/composer/autoload_real.php';

return ComposerAutoloaderInit1cfac4bac5a1827f26c0b477558bd882::getLoader();
PK     ÇˆU]åè(@    "  vendor/phpseclib/phpseclib/AUTHORSnu „[µü¤        phpseclib Lead Developer:  TerraFrost (Jim Wigginton)

phpseclib Developers:      monnerat (Patrick Monnerat)
                           bantu (Andreas Fischer)
                           petrich (Hans-JÃ¼rgen Petrich)
                           GrahamCampbell (Graham Campbell)
PK     ÇˆU]s=j¬9  9  "  vendor/phpseclib/phpseclib/LICENSEnu „[µü¤        Copyright (c) 2011-2019 TerraFrost and other contributors

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.PK     ÇˆU]­K.½0  0  L  vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedCurveException.phpnu „[µü¤        <?php

/**
 * UnsupportedCurveException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   UnsupportedCurveException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * UnsupportedCurveException
 *
 * @package UnsupportedCurveException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class UnsupportedCurveException extends \RuntimeException
{
}
PK     ÇˆU]–œ=›I  I  Q  vendor/phpseclib/phpseclib/phpseclib/Exception/NoSupportedAlgorithmsException.phpnu „[µü¤        <?php

/**
 * NoSupportedAlgorithmsException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   NoSupportedAlgorithmsException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * NoSupportedAlgorithmsException
 *
 * @package NoSupportedAlgorithmsException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class NoSupportedAlgorithmsException extends \RuntimeException
{
}
PK     ÇˆU]•W“ñ5  5  M  vendor/phpseclib/phpseclib/phpseclib/Exception/InconsistentSetupException.phpnu „[µü¤        <?php

/**
 * InconsistentSetupException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   InconsistentSetupException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * InconsistentSetupException
 *
 * @package InconsistentSetupException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class InconsistentSetupException extends \RuntimeException
{
}
PK     ÇˆU]ð%é    G  vendor/phpseclib/phpseclib/phpseclib/Exception/NoKeyLoadedException.phpnu „[µü¤        <?php

/**
 * NoKeyLoadedException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   NoKeyLoadedException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * NoKeyLoadedException
 *
 * @package NoKeyLoadedException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class NoKeyLoadedException extends \RuntimeException
{
}
PK     ÇˆU]“ñ«§D  D  P  vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedAlgorithmException.phpnu „[µü¤        <?php

/**
 * UnsupportedAlgorithmException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   UnsupportedAlgorithmException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * UnsupportedAlgorithmException
 *
 * @package UnsupportedAlgorithmException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class UnsupportedAlgorithmException extends \RuntimeException
{
}
PK     ÇˆU]²¼q    H  vendor/phpseclib/phpseclib/phpseclib/Exception/FileNotFoundException.phpnu „[µü¤        <?php

/**
 * FileNotFoundException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   FileNotFoundException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * FileNotFoundException
 *
 * @package FileNotFoundException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class FileNotFoundException extends \RuntimeException
{
}
PK     ÇˆU]]8Ql    C  vendor/phpseclib/phpseclib/phpseclib/Exception/BadModeException.phpnu „[µü¤        <?php

/**
 * BadModeException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   BadModeException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * BadModeException
 *
 * @package BadModeException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class BadModeException extends \RuntimeException
{
}
PK     ÇˆU]µlA0  0  L  vendor/phpseclib/phpseclib/phpseclib/Exception/ConnectionClosedException.phpnu „[µü¤        <?php

/**
 * ConnectionClosedException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   ConnectionClosedException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * ConnectionClosedException
 *
 * @package ConnectionClosedException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class ConnectionClosedException extends \RuntimeException
{
}
PK     ÇˆU]£·^0  0  L  vendor/phpseclib/phpseclib/phpseclib/Exception/BadConfigurationException.phpnu „[µü¤        <?php

/**
 * BadConfigurationException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   BadConfigurationException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * BadConfigurationException
 *
 * @package BadConfigurationException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class BadConfigurationException extends \RuntimeException
{
}
PK     ÈˆU]r@|V5  5  M  vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedFormatException.phpnu „[µü¤        <?php

/**
 * UnsupportedFormatException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   UnsupportedFormatException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * UnsupportedFormatException
 *
 * @package UnsupportedFormatException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class UnsupportedFormatException extends \RuntimeException
{
}
PK     ÈˆU]Pž»!  !  I  vendor/phpseclib/phpseclib/phpseclib/Exception/BadDecryptionException.phpnu „[µü¤        <?php

/**
 * BadDecryptionException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   BadDecryptionException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * BadDecryptionException
 *
 * @package BadDecryptionException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class BadDecryptionException extends \RuntimeException
{
}
PK     ÈˆU]TnêD  D  P  vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedOperationException.phpnu „[µü¤        <?php

/**
 * UnsupportedOperationException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   UnsupportedOperationException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * UnsupportedOperationException
 *
 * @package UnsupportedOperationException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class UnsupportedOperationException extends \RuntimeException
{
}
PK     ÈˆU]à–Ð;5  5  M  vendor/phpseclib/phpseclib/phpseclib/Exception/InsufficientSetupException.phpnu „[µü¤        <?php

/**
 * InsufficientSetupException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   InsufficientSetupException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * InsufficientSetupException
 *
 * @package InsufficientSetupException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class InsufficientSetupException extends \RuntimeException
{
}
PK     ÈˆU]úlÌ+  +  K  vendor/phpseclib/phpseclib/phpseclib/Exception/UnableToConnectException.phpnu „[µü¤        <?php

/**
 * UnableToConnectException
 *
 * PHP version 5
 *
 * @category  Exception
 * @package   UnableToConnectException
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Exception;

/**
 * UnableToConnectException
 *
 * @package UnableToConnectException
 * @author  Jim Wigginton <terrafrost@php.net>
 */
class UnableToConnectException extends \RuntimeException
{
}
PK     ÈˆU]wñÐåú2 ú2 2  vendor/phpseclib/phpseclib/phpseclib/File/X509.phpnu „[µü¤        <?php

/**
 * Pure-PHP X.509 Parser
 *
 * PHP version 5
 *
 * Encode and decode X.509 certificates.
 *
 * The extensions are from {@link http://tools.ietf.org/html/rfc5280 RFC5280} and
 * {@link http://web.archive.org/web/19961027104704/http://www3.netscape.com/eng/security/cert-exts.html Netscape Certificate Extensions}.
 *
 * Note that loading an X.509 certificate and resaving it may invalidate the signature.  The reason being that the signature is based on a
 * portion of the certificate that contains optional parameters with default values.  ie. if the parameter isn't there the default value is
 * used.  Problem is, if the parameter is there and it just so happens to have the default value there are two ways that that parameter can
 * be encoded.  It can be encoded explicitly or left out all together.  This would effect the signature value and thus may invalidate the
 * the certificate all together unless the certificate is re-signed.
 *
 * @category  File
 * @package   X509
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2012 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File;

use ParagonIE\ConstantTime\Base64;
use ParagonIE\ConstantTime\Hex;
use phpseclib3\Crypt\Common\PrivateKey;
use phpseclib3\Crypt\Common\PublicKey;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\EC;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\PublicKeyLoader;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\RSA;
use phpseclib3\Crypt\RSA\Formats\Keys\PSS;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\File\ASN1\Element;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP X.509 Parser
 *
 * @package X509
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class X509
{
    /**
     * Flag to only accept signatures signed by certificate authorities
     *
     * Not really used anymore but retained all the same to suppress E_NOTICEs from old installs
     *
     * @access public
     */
    const VALIDATE_SIGNATURE_BY_CA = 1;

    /**
     * Return internal array representation
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_ARRAY = 0;
    /**
     * Return string
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_STRING = 1;
    /**
     * Return ASN.1 name string
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_ASN1 = 2;
    /**
     * Return OpenSSL compatible array
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_OPENSSL = 3;
    /**
     * Return canonical ASN.1 RDNs string
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_CANON = 4;
    /**
     * Return name hash for file indexing
     *
     * @access public
     * @see \phpseclib3\File\X509::getDN()
     */
    const DN_HASH = 5;

    /**
     * Save as PEM
     *
     * ie. a base64-encoded PEM with a header and a footer
     *
     * @access public
     * @see \phpseclib3\File\X509::saveX509()
     * @see \phpseclib3\File\X509::saveCSR()
     * @see \phpseclib3\File\X509::saveCRL()
     */
    const FORMAT_PEM = 0;
    /**
     * Save as DER
     *
     * @access public
     * @see \phpseclib3\File\X509::saveX509()
     * @see \phpseclib3\File\X509::saveCSR()
     * @see \phpseclib3\File\X509::saveCRL()
     */
    const FORMAT_DER = 1;
    /**
     * Save as a SPKAC
     *
     * @access public
     * @see \phpseclib3\File\X509::saveX509()
     * @see \phpseclib3\File\X509::saveCSR()
     * @see \phpseclib3\File\X509::saveCRL()
     *
     * Only works on CSRs. Not currently supported.
     */
    const FORMAT_SPKAC = 2;
    /**
     * Auto-detect the format
     *
     * Used only by the load*() functions
     *
     * @access public
     * @see \phpseclib3\File\X509::saveX509()
     * @see \phpseclib3\File\X509::saveCSR()
     * @see \phpseclib3\File\X509::saveCRL()
     */
    const FORMAT_AUTO_DETECT = 3;

    /**
     * Attribute value disposition.
     * If disposition is >= 0, this is the index of the target value.
     */
    const ATTR_ALL = -1; // All attribute values (array).
    const ATTR_APPEND = -2; // Add a value.
    const ATTR_REPLACE = -3; // Clear first, then add a value.

    /**
     * Distinguished Name
     *
     * @var array
     * @access private
     */
    private $dn;

    /**
     * Public key
     *
     * @var string|PublicKey
     * @access private
     */
    private $publicKey;

    /**
     * Private key
     *
     * @var string|PrivateKey
     * @access private
     */
    private $privateKey;

    /**
     * Object identifiers for X.509 certificates
     *
     * @var array
     * @access private
     * @link http://en.wikipedia.org/wiki/Object_identifier
     */
    private $oids;

    /**
     * The certificate authorities
     *
     * @var array
     * @access private
     */
    private $CAs;

    /**
     * The currently loaded certificate
     *
     * @var array
     * @access private
     */
    private $currentCert;

    /**
     * The signature subject
     *
     * There's no guarantee \phpseclib3\File\X509 is going to re-encode an X.509 cert in the same way it was originally
     * encoded so we take save the portion of the original cert that the signature would have made for.
     *
     * @var string
     * @access private
     */
    private $signatureSubject;

    /**
     * Certificate Start Date
     *
     * @var string
     * @access private
     */
    private $startDate;

    /**
     * Certificate End Date
     *
     * @var string|Element
     * @access private
     */
    private $endDate;

    /**
     * Serial Number
     *
     * @var string
     * @access private
     */
    private $serialNumber;

    /**
     * Key Identifier
     *
     * See {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.1 RFC5280#section-4.2.1.1} and
     * {@link http://tools.ietf.org/html/rfc5280#section-4.2.1.2 RFC5280#section-4.2.1.2}.
     *
     * @var string
     * @access private
     */
    private $currentKeyIdentifier;

    /**
     * CA Flag
     *
     * @var bool
     * @access private
     */
    private $caFlag = false;

    /**
     * SPKAC Challenge
     *
     * @var string
     * @access private
     */
    private $challenge;

    /**
     * @var array
     * @access private
     */
    private $extensionValues = [];

    /**
     * OIDs loaded
     *
     * @var bool
     * @access private
     */
    private static $oidsLoaded = false;

    /**
     * Recursion Limit
     *
     * @var int
     * @access private
     */
    private static $recur_limit = 5;

    /**
     * URL fetch flag
     *
     * @var bool
     * @access private
     */
    private static $disable_url_fetch = false;

    /**
     * @var array
     * @access private
     */
    private static $extensions = [];

    /**
     * @var ?array
     * @access private
     */
    private $ipAddresses = null;

    /**
     * @var ?array
     * @access private
     */
    private $domains = null;

    /**
     * Default Constructor.
     *
     * @return \phpseclib3\File\X509
     * @access public
     */
    public function __construct()
    {
        // Explicitly Tagged Module, 1988 Syntax
        // http://tools.ietf.org/html/rfc5280#appendix-A.1

        if (!self::$oidsLoaded) {
            // OIDs from RFC5280 and those RFCs mentioned in RFC5280#section-4.1.1.2
            ASN1::loadOIDs([
                //'id-pkix' => '1.3.6.1.5.5.7',
                //'id-pe' => '1.3.6.1.5.5.7.1',
                //'id-qt' => '1.3.6.1.5.5.7.2',
                //'id-kp' => '1.3.6.1.5.5.7.3',
                //'id-ad' => '1.3.6.1.5.5.7.48',
                'id-qt-cps' => '1.3.6.1.5.5.7.2.1',
                'id-qt-unotice' => '1.3.6.1.5.5.7.2.2',
                'id-ad-ocsp' => '1.3.6.1.5.5.7.48.1',
                'id-ad-caIssuers' => '1.3.6.1.5.5.7.48.2',
                'id-ad-timeStamping' => '1.3.6.1.5.5.7.48.3',
                'id-ad-caRepository' => '1.3.6.1.5.5.7.48.5',
                //'id-at' => '2.5.4',
                'id-at-name' => '2.5.4.41',
                'id-at-surname' => '2.5.4.4',
                'id-at-givenName' => '2.5.4.42',
                'id-at-initials' => '2.5.4.43',
                'id-at-generationQualifier' => '2.5.4.44',
                'id-at-commonName' => '2.5.4.3',
                'id-at-localityName' => '2.5.4.7',
                'id-at-stateOrProvinceName' => '2.5.4.8',
                'id-at-organizationName' => '2.5.4.10',
                'id-at-organizationalUnitName' => '2.5.4.11',
                'id-at-title' => '2.5.4.12',
                'id-at-description' => '2.5.4.13',
                'id-at-dnQualifier' => '2.5.4.46',
                'id-at-countryName' => '2.5.4.6',
                'id-at-serialNumber' => '2.5.4.5',
                'id-at-pseudonym' => '2.5.4.65',
                'id-at-postalCode' => '2.5.4.17',
                'id-at-streetAddress' => '2.5.4.9',
                'id-at-uniqueIdentifier' => '2.5.4.45',
                'id-at-role' => '2.5.4.72',
                'id-at-postalAddress' => '2.5.4.16',

                //'id-domainComponent' => '0.9.2342.19200300.100.1.25',
                //'pkcs-9' => '1.2.840.113549.1.9',
                'pkcs-9-at-emailAddress' => '1.2.840.113549.1.9.1',
                //'id-ce' => '2.5.29',
                'id-ce-authorityKeyIdentifier' => '2.5.29.35',
                'id-ce-subjectKeyIdentifier' => '2.5.29.14',
                'id-ce-keyUsage' => '2.5.29.15',
                'id-ce-privateKeyUsagePeriod' => '2.5.29.16',
                'id-ce-certificatePolicies' => '2.5.29.32',
                //'anyPolicy' => '2.5.29.32.0',

                'id-ce-policyMappings' => '2.5.29.33',

                'id-ce-subjectAltName' => '2.5.29.17',
                'id-ce-issuerAltName' => '2.5.29.18',
                'id-ce-subjectDirectoryAttributes' => '2.5.29.9',
                'id-ce-basicConstraints' => '2.5.29.19',
                'id-ce-nameConstraints' => '2.5.29.30',
                'id-ce-policyConstraints' => '2.5.29.36',
                'id-ce-cRLDistributionPoints' => '2.5.29.31',
                'id-ce-extKeyUsage' => '2.5.29.37',
                //'anyExtendedKeyUsage' => '2.5.29.37.0',
                'id-kp-serverAuth' => '1.3.6.1.5.5.7.3.1',
                'id-kp-clientAuth' => '1.3.6.1.5.5.7.3.2',
                'id-kp-codeSigning' => '1.3.6.1.5.5.7.3.3',
                'id-kp-emailProtection' => '1.3.6.1.5.5.7.3.4',
                'id-kp-timeStamping' => '1.3.6.1.5.5.7.3.8',
                'id-kp-OCSPSigning' => '1.3.6.1.5.5.7.3.9',
                'id-ce-inhibitAnyPolicy' => '2.5.29.54',
                'id-ce-freshestCRL' => '2.5.29.46',
                'id-pe-authorityInfoAccess' => '1.3.6.1.5.5.7.1.1',
                'id-pe-subjectInfoAccess' => '1.3.6.1.5.5.7.1.11',
                'id-ce-cRLNumber' => '2.5.29.20',
                'id-ce-issuingDistributionPoint' => '2.5.29.28',
                'id-ce-deltaCRLIndicator' => '2.5.29.27',
                'id-ce-cRLReasons' => '2.5.29.21',
                'id-ce-certificateIssuer' => '2.5.29.29',
                'id-ce-holdInstructionCode' => '2.5.29.23',
                //'holdInstruction' => '1.2.840.10040.2',
                'id-holdinstruction-none' => '1.2.840.10040.2.1',
                'id-holdinstruction-callissuer' => '1.2.840.10040.2.2',
                'id-holdinstruction-reject' => '1.2.840.10040.2.3',
                'id-ce-invalidityDate' => '2.5.29.24',

                'rsaEncryption' => '1.2.840.113549.1.1.1',
                'md2WithRSAEncryption' => '1.2.840.113549.1.1.2',
                'md5WithRSAEncryption' => '1.2.840.113549.1.1.4',
                'sha1WithRSAEncryption' => '1.2.840.113549.1.1.5',
                'sha224WithRSAEncryption' => '1.2.840.113549.1.1.14',
                'sha256WithRSAEncryption' => '1.2.840.113549.1.1.11',
                'sha384WithRSAEncryption' => '1.2.840.113549.1.1.12',
                'sha512WithRSAEncryption' => '1.2.840.113549.1.1.13',

                'id-ecPublicKey' => '1.2.840.10045.2.1',
                'ecdsa-with-SHA1' => '1.2.840.10045.4.1',
                // from https://tools.ietf.org/html/rfc5758#section-3.2
                'ecdsa-with-SHA224' => '1.2.840.10045.4.3.1',
                'ecdsa-with-SHA256' => '1.2.840.10045.4.3.2',
                'ecdsa-with-SHA384' => '1.2.840.10045.4.3.3',
                'ecdsa-with-SHA512' => '1.2.840.10045.4.3.4',

                'id-dsa' => '1.2.840.10040.4.1',
                'id-dsa-with-sha1' => '1.2.840.10040.4.3',
                // from https://tools.ietf.org/html/rfc5758#section-3.1
                'id-dsa-with-sha224' => '2.16.840.1.101.3.4.3.1',
                'id-dsa-with-sha256' => '2.16.840.1.101.3.4.3.2',

                // from https://tools.ietf.org/html/rfc8410:
                'id-Ed25519' => '1.3.101.112',
                'id-Ed448' => '1.3.101.113',

                'id-RSASSA-PSS' => '1.2.840.113549.1.1.10',

                //'id-sha224' => '2.16.840.1.101.3.4.2.4',
                //'id-sha256' => '2.16.840.1.101.3.4.2.1',
                //'id-sha384' => '2.16.840.1.101.3.4.2.2',
                //'id-sha512' => '2.16.840.1.101.3.4.2.3',
                //'id-GostR3411-94-with-GostR3410-94' => '1.2.643.2.2.4',
                //'id-GostR3411-94-with-GostR3410-2001' => '1.2.643.2.2.3',
                //'id-GostR3410-2001' => '1.2.643.2.2.20',
                //'id-GostR3410-94' => '1.2.643.2.2.19',
                // Netscape Object Identifiers from "Netscape Certificate Extensions"
                'netscape' => '2.16.840.1.113730',
                'netscape-cert-extension' => '2.16.840.1.113730.1',
                'netscape-cert-type' => '2.16.840.1.113730.1.1',
                'netscape-comment' => '2.16.840.1.113730.1.13',
                'netscape-ca-policy-url' => '2.16.840.1.113730.1.8',
                // the following are X.509 extensions not supported by phpseclib
                'id-pe-logotype' => '1.3.6.1.5.5.7.1.12',
                'entrustVersInfo' => '1.2.840.113533.7.65.0',
                'verisignPrivate' => '2.16.840.1.113733.1.6.9',
                // for Certificate Signing Requests
                // see http://tools.ietf.org/html/rfc2985
                'pkcs-9-at-unstructuredName' => '1.2.840.113549.1.9.2', // PKCS #9 unstructured name
                'pkcs-9-at-challengePassword' => '1.2.840.113549.1.9.7', // Challenge password for certificate revocations
                'pkcs-9-at-extensionRequest' => '1.2.840.113549.1.9.14' // Certificate extension request
            ]);
        }
    }

    /**
     * Load X.509 certificate
     *
     * Returns an associative array describing the X.509 cert or a false if the cert failed to load
     *
     * @param string $cert
     * @param int $mode
     * @access public
     * @return mixed
     */
    public function loadX509($cert, $mode = self::FORMAT_AUTO_DETECT)
    {
        if (is_array($cert) && isset($cert['tbsCertificate'])) {
            unset($this->currentCert);
            unset($this->currentKeyIdentifier);
            $this->dn = $cert['tbsCertificate']['subject'];
            if (!isset($this->dn)) {
                return false;
            }
            $this->currentCert = $cert;

            $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier');
            $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null;

            unset($this->signatureSubject);

            return $cert;
        }

        if ($mode != self::FORMAT_DER) {
            $newcert = ASN1::extractBER($cert);
            if ($mode == self::FORMAT_PEM && $cert == $newcert) {
                return false;
            }
            $cert = $newcert;
        }

        if ($cert === false) {
            $this->currentCert = false;
            return false;
        }

        $decoded = ASN1::decodeBER($cert);

        if (!empty($decoded)) {
            $x509 = ASN1::asn1map($decoded[0], Maps\Certificate::MAP);
        }
        if (!isset($x509) || $x509 === false) {
            $this->currentCert = false;
            return false;
        }

        $this->signatureSubject = substr($cert, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);

        if ($this->isSubArrayValid($x509, 'tbsCertificate/extensions')) {
            $this->mapInExtensions($x509, 'tbsCertificate/extensions');
        }
        $this->mapInDNs($x509, 'tbsCertificate/issuer/rdnSequence');
        $this->mapInDNs($x509, 'tbsCertificate/subject/rdnSequence');

        $key = $x509['tbsCertificate']['subjectPublicKeyInfo'];
        $key = ASN1::encodeDER($key, Maps\SubjectPublicKeyInfo::MAP);
        $x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] =
            "-----BEGIN PUBLIC KEY-----\r\n" .
            chunk_split(base64_encode($key), 64) .
            "-----END PUBLIC KEY-----";

        $this->currentCert = $x509;
        $this->dn = $x509['tbsCertificate']['subject'];

        $currentKeyIdentifier = $this->getExtension('id-ce-subjectKeyIdentifier');
        $this->currentKeyIdentifier = is_string($currentKeyIdentifier) ? $currentKeyIdentifier : null;

        return $x509;
    }

    /**
     * Save X.509 certificate
     *
     * @param array $cert
     * @param int $format optional
     * @access public
     * @return string
     */
    public function saveX509($cert, $format = self::FORMAT_PEM)
    {
        if (!is_array($cert) || !isset($cert['tbsCertificate'])) {
            return false;
        }

        switch (true) {
            // "case !$a: case !$b: break; default: whatever();" is the same thing as "if ($a && $b) whatever()"
            case !($algorithm = $this->subArray($cert, 'tbsCertificate/subjectPublicKeyInfo/algorithm/algorithm')):
            case is_object($cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']):
                break;
            default:
                $cert['tbsCertificate']['subjectPublicKeyInfo'] = new Element(
                    base64_decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']))
                );
        }

        if ($algorithm == 'rsaEncryption') {
            $cert['signatureAlgorithm']['parameters'] = null;
            $cert['tbsCertificate']['signature']['parameters'] = null;
        }

        $filters = [];
        $type_utf8_string = ['type' => ASN1::TYPE_UTF8_STRING];
        $filters['tbsCertificate']['signature']['parameters'] = $type_utf8_string;
        $filters['tbsCertificate']['signature']['issuer']['rdnSequence']['value'] = $type_utf8_string;
        $filters['tbsCertificate']['issuer']['rdnSequence']['value'] = $type_utf8_string;
        $filters['tbsCertificate']['subject']['rdnSequence']['value'] = $type_utf8_string;
        $filters['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['parameters'] = $type_utf8_string;
        $filters['signatureAlgorithm']['parameters'] = $type_utf8_string;
        $filters['authorityCertIssuer']['directoryName']['rdnSequence']['value'] = $type_utf8_string;
        //$filters['policyQualifiers']['qualifier'] = $type_utf8_string;
        $filters['distributionPoint']['fullName']['directoryName']['rdnSequence']['value'] = $type_utf8_string;
        $filters['directoryName']['rdnSequence']['value'] = $type_utf8_string;

        foreach (self::$extensions as $extension) {
            $filters['tbsCertificate']['extensions'][] = $extension;
        }

        /* in the case of policyQualifiers/qualifier, the type has to be \phpseclib3\File\ASN1::TYPE_IA5_STRING.
           \phpseclib3\File\ASN1::TYPE_PRINTABLE_STRING will cause OpenSSL's X.509 parser to spit out random
           characters.
         */
        $filters['policyQualifiers']['qualifier']
            = ['type' => ASN1::TYPE_IA5_STRING];

        ASN1::setFilters($filters);

        $this->mapOutExtensions($cert, 'tbsCertificate/extensions');
        $this->mapOutDNs($cert, 'tbsCertificate/issuer/rdnSequence');
        $this->mapOutDNs($cert, 'tbsCertificate/subject/rdnSequence');

        $cert = ASN1::encodeDER($cert, Maps\Certificate::MAP);

        switch ($format) {
            case self::FORMAT_DER:
                return $cert;
            // case self::FORMAT_PEM:
            default:
                return "-----BEGIN CERTIFICATE-----\r\n" . chunk_split(Base64::encode($cert), 64) . '-----END CERTIFICATE-----';
        }
    }

    /**
     * Map extension values from octet string to extension-specific internal
     *   format.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapInExtensions(&$root, $path)
    {
        $extensions = &$this->subArrayUnchecked($root, $path);

        if ($extensions) {
            for ($i = 0; $i < count($extensions); $i++) {
                $id = $extensions[$i]['extnId'];
                $value = &$extensions[$i]['extnValue'];
                /* [extnValue] contains the DER encoding of an ASN.1 value
                   corresponding to the extension type identified by extnID */
                $map = $this->getMapping($id);
                if (!is_bool($map)) {
                    $decoder = $id == 'id-ce-nameConstraints' ?
                        [static::class, 'decodeNameConstraintIP'] :
                        [static::class, 'decodeIP'];
                    $decoded = ASN1::decodeBER($value);
                    $mapped = ASN1::asn1map($decoded[0], $map, ['iPAddress' => $decoder]);
                    $value = $mapped === false ? $decoded[0] : $mapped;

                    if ($id == 'id-ce-certificatePolicies') {
                        for ($j = 0; $j < count($value); $j++) {
                            if (!isset($value[$j]['policyQualifiers'])) {
                                continue;
                            }
                            for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) {
                                $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId'];
                                $map = $this->getMapping($subid);
                                $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier'];
                                if ($map !== false) {
                                    $decoded = ASN1::decodeBER($subvalue);
                                    $mapped = ASN1::asn1map($decoded[0], $map);
                                    $subvalue = $mapped === false ? $decoded[0] : $mapped;
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    /**
     * Map extension values from extension-specific internal format to
     *   octet string.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapOutExtensions(&$root, $path)
    {
        $extensions = &$this->subArray($root, $path, !empty($this->extensionValues));

        foreach ($this->extensionValues as $id => $data) {
            extract($data);
            $newext = [
                'extnId' => $id,
                'extnValue' => $value,
                'critical' => $critical
            ];
            if ($replace) {
                foreach ($extensions as $key => $value) {
                    if ($value['extnId'] == $id) {
                        $extensions[$key] = $newext;
                        continue 2;
                    }
                }
            }
            $extensions[] = $newext;
        }

        if (is_array($extensions)) {
            $size = count($extensions);
            for ($i = 0; $i < $size; $i++) {
                if ($extensions[$i] instanceof Element) {
                    continue;
                }

                $id = $extensions[$i]['extnId'];
                $value = &$extensions[$i]['extnValue'];

                switch ($id) {
                    case 'id-ce-certificatePolicies':
                        for ($j = 0; $j < count($value); $j++) {
                            if (!isset($value[$j]['policyQualifiers'])) {
                                continue;
                            }
                            for ($k = 0; $k < count($value[$j]['policyQualifiers']); $k++) {
                                $subid = $value[$j]['policyQualifiers'][$k]['policyQualifierId'];
                                $map = $this->getMapping($subid);
                                $subvalue = &$value[$j]['policyQualifiers'][$k]['qualifier'];
                                if ($map !== false) {
                                    // by default \phpseclib3\File\ASN1 will try to render qualifier as a \phpseclib3\File\ASN1::TYPE_IA5_STRING since it's
                                    // actual type is \phpseclib3\File\ASN1::TYPE_ANY
                                    $subvalue = new Element(ASN1::encodeDER($subvalue, $map));
                                }
                            }
                        }
                        break;
                    case 'id-ce-authorityKeyIdentifier': // use 00 as the serial number instead of an empty string
                        if (isset($value['authorityCertSerialNumber'])) {
                            if ($value['authorityCertSerialNumber']->toBytes() == '') {
                                $temp = chr((ASN1::CLASS_CONTEXT_SPECIFIC << 6) | 2) . "\1\0";
                                $value['authorityCertSerialNumber'] = new Element($temp);
                            }
                        }
                }

                /* [extnValue] contains the DER encoding of an ASN.1 value
                   corresponding to the extension type identified by extnID */
                $map = $this->getMapping($id);
                if (is_bool($map)) {
                    if (!$map) {
                        //user_error($id . ' is not a currently supported extension');
                        unset($extensions[$i]);
                    }
                } else {
                    $value = ASN1::encodeDER($value, $map, ['iPAddress' => [static::class, 'encodeIP']]);
                }
            }
        }
    }

    /**
     * Map attribute values from ANY type to attribute-specific internal
     *   format.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapInAttributes(&$root, $path)
    {
        $attributes = &$this->subArray($root, $path);

        if (is_array($attributes)) {
            for ($i = 0; $i < count($attributes); $i++) {
                $id = $attributes[$i]['type'];
                /* $value contains the DER encoding of an ASN.1 value
                   corresponding to the attribute type identified by type */
                $map = $this->getMapping($id);
                if (is_array($attributes[$i]['value'])) {
                    $values = &$attributes[$i]['value'];
                    for ($j = 0; $j < count($values); $j++) {
                        $value = ASN1::encodeDER($values[$j], Maps\AttributeValue::MAP);
                        $decoded = ASN1::decodeBER($value);
                        if (!is_bool($map)) {
                            $mapped = ASN1::asn1map($decoded[0], $map);
                            if ($mapped !== false) {
                                $values[$j] = $mapped;
                            }
                            if ($id == 'pkcs-9-at-extensionRequest' && $this->isSubArrayValid($values, $j)) {
                                $this->mapInExtensions($values, $j);
                            }
                        } elseif ($map) {
                            $values[$j] = $value;
                        }
                    }
                }
            }
        }
    }

    /**
     * Map attribute values from attribute-specific internal format to
     *   ANY type.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapOutAttributes(&$root, $path)
    {
        $attributes = &$this->subArray($root, $path);

        if (is_array($attributes)) {
            $size = count($attributes);
            for ($i = 0; $i < $size; $i++) {
                /* [value] contains the DER encoding of an ASN.1 value
                   corresponding to the attribute type identified by type */
                $id = $attributes[$i]['type'];
                $map = $this->getMapping($id);
                if ($map === false) {
                    //user_error($id . ' is not a currently supported attribute', E_USER_NOTICE);
                    unset($attributes[$i]);
                } elseif (is_array($attributes[$i]['value'])) {
                    $values = &$attributes[$i]['value'];
                    for ($j = 0; $j < count($values); $j++) {
                        switch ($id) {
                            case 'pkcs-9-at-extensionRequest':
                                $this->mapOutExtensions($values, $j);
                                break;
                        }

                        if (!is_bool($map)) {
                            $temp = ASN1::encodeDER($values[$j], $map);
                            $decoded = ASN1::decodeBER($temp);
                            $values[$j] = ASN1::asn1map($decoded[0], Maps\AttributeValue::MAP);
                        }
                    }
                }
            }
        }
    }

    /**
     * Map DN values from ANY type to DN-specific internal
     *   format.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapInDNs(&$root, $path)
    {
        $dns = &$this->subArray($root, $path);

        if (is_array($dns)) {
            for ($i = 0; $i < count($dns); $i++) {
                for ($j = 0; $j < count($dns[$i]); $j++) {
                    $type = $dns[$i][$j]['type'];
                    $value = &$dns[$i][$j]['value'];
                    if (is_object($value) && $value instanceof Element) {
                        $map = $this->getMapping($type);
                        if (!is_bool($map)) {
                            $decoded = ASN1::decodeBER($value);
                            $value = ASN1::asn1map($decoded[0], $map);
                        }
                    }
                }
            }
        }
    }

    /**
     * Map DN values from DN-specific internal format to
     *   ANY type.
     *
     * @param array $root (by reference)
     * @param string $path
     * @access private
     */
    private function mapOutDNs(&$root, $path)
    {
        $dns = &$this->subArray($root, $path);

        if (is_array($dns)) {
            $size = count($dns);
            for ($i = 0; $i < $size; $i++) {
                for ($j = 0; $j < count($dns[$i]); $j++) {
                    $type = $dns[$i][$j]['type'];
                    $value = &$dns[$i][$j]['value'];
                    if (is_object($value) && $value instanceof Element) {
                        continue;
                    }

                    $map = $this->getMapping($type);
                    if (!is_bool($map)) {
                        $value = new Element(ASN1::encodeDER($value, $map));
                    }
                }
            }
        }
    }

    /**
     * Associate an extension ID to an extension mapping
     *
     * @param string $extnId
     * @access private
     * @return mixed
     */
    private function getMapping($extnId)
    {
        if (!is_string($extnId)) { // eg. if it's a \phpseclib3\File\ASN1\Element object
            return true;
        }

        if (isset(self::$extensions[$extnId])) {
            return self::$extensions[$extnId];
        }

        switch ($extnId) {
            case 'id-ce-keyUsage':
                return Maps\KeyUsage::MAP;
            case 'id-ce-basicConstraints':
                return Maps\BasicConstraints::MAP;
            case 'id-ce-subjectKeyIdentifier':
                return Maps\KeyIdentifier::MAP;
            case 'id-ce-cRLDistributionPoints':
                return Maps\CRLDistributionPoints::MAP;
            case 'id-ce-authorityKeyIdentifier':
                return Maps\AuthorityKeyIdentifier::MAP;
            case 'id-ce-certificatePolicies':
                return Maps\CertificatePolicies::MAP;
            case 'id-ce-extKeyUsage':
                return Maps\ExtKeyUsageSyntax::MAP;
            case 'id-pe-authorityInfoAccess':
                return Maps\AuthorityInfoAccessSyntax::MAP;
            case 'id-ce-subjectAltName':
                return Maps\SubjectAltName::MAP;
            case 'id-ce-subjectDirectoryAttributes':
                return Maps\SubjectDirectoryAttributes::MAP;
            case 'id-ce-privateKeyUsagePeriod':
                return Maps\PrivateKeyUsagePeriod::MAP;
            case 'id-ce-issuerAltName':
                return Maps\IssuerAltName::MAP;
            case 'id-ce-policyMappings':
                return Maps\PolicyMappings::MAP;
            case 'id-ce-nameConstraints':
                return Maps\NameConstraints::MAP;

            case 'netscape-cert-type':
                return Maps\netscape_cert_type::MAP;
            case 'netscape-comment':
                return Maps\netscape_comment::MAP;
            case 'netscape-ca-policy-url':
                return Maps\netscape_ca_policy_url::MAP;

            // since id-qt-cps isn't a constructed type it will have already been decoded as a string by the time it gets
            // back around to asn1map() and we don't want it decoded again.
            //case 'id-qt-cps':
            //    return Maps\CPSuri::MAP;
            case 'id-qt-unotice':
                return Maps\UserNotice::MAP;

            // the following OIDs are unsupported but we don't want them to give notices when calling saveX509().
            case 'id-pe-logotype': // http://www.ietf.org/rfc/rfc3709.txt
            case 'entrustVersInfo':
            // http://support.microsoft.com/kb/287547
            case '1.3.6.1.4.1.311.20.2': // szOID_ENROLL_CERTTYPE_EXTENSION
            case '1.3.6.1.4.1.311.21.1': // szOID_CERTSRV_CA_VERSION
            // "SET Secure Electronic Transaction Specification"
            // http://www.maithean.com/docs/set_bk3.pdf
            case '2.23.42.7.0': // id-set-hashedRootKey
            // "Certificate Transparency"
            // https://tools.ietf.org/html/rfc6962
            case '1.3.6.1.4.1.11129.2.4.2':
            // "Qualified Certificate statements"
            // https://tools.ietf.org/html/rfc3739#section-3.2.6
            case '1.3.6.1.5.5.7.1.3':
                return true;

            // CSR attributes
            case 'pkcs-9-at-unstructuredName':
                return Maps\PKCS9String::MAP;
            case 'pkcs-9-at-challengePassword':
                return Maps\DirectoryString::MAP;
            case 'pkcs-9-at-extensionRequest':
                return Maps\Extensions::MAP;

            // CRL extensions.
            case 'id-ce-cRLNumber':
                return Maps\CRLNumber::MAP;
            case 'id-ce-deltaCRLIndicator':
                return Maps\CRLNumber::MAP;
            case 'id-ce-issuingDistributionPoint':
                return Maps\IssuingDistributionPoint::MAP;
            case 'id-ce-freshestCRL':
                return Maps\CRLDistributionPoints::MAP;
            case 'id-ce-cRLReasons':
                return Maps\CRLReason::MAP;
            case 'id-ce-invalidityDate':
                return Maps\InvalidityDate::MAP;
            case 'id-ce-certificateIssuer':
                return Maps\CertificateIssuer::MAP;
            case 'id-ce-holdInstructionCode':
                return Maps\HoldInstructionCode::MAP;
            case 'id-at-postalAddress':
                return Maps\PostalAddress::MAP;
        }

        return false;
    }

    /**
     * Load an X.509 certificate as a certificate authority
     *
     * @param string $cert
     * @access public
     * @return bool
     */
    public function loadCA($cert)
    {
        $olddn = $this->dn;
        $oldcert = $this->currentCert;
        $oldsigsubj = $this->signatureSubject;
        $oldkeyid = $this->currentKeyIdentifier;

        $cert = $this->loadX509($cert);
        if (!$cert) {
            $this->dn = $olddn;
            $this->currentCert = $oldcert;
            $this->signatureSubject = $oldsigsubj;
            $this->currentKeyIdentifier = $oldkeyid;

            return false;
        }

        /* From RFC5280 "PKIX Certificate and CRL Profile":

           If the keyUsage extension is present, then the subject public key
           MUST NOT be used to verify signatures on certificates or CRLs unless
           the corresponding keyCertSign or cRLSign bit is set. */
        //$keyUsage = $this->getExtension('id-ce-keyUsage');
        //if ($keyUsage && !in_array('keyCertSign', $keyUsage)) {
        //    return false;
        //}

        /* From RFC5280 "PKIX Certificate and CRL Profile":

           The cA boolean indicates whether the certified public key may be used
           to verify certificate signatures.  If the cA boolean is not asserted,
           then the keyCertSign bit in the key usage extension MUST NOT be
           asserted.  If the basic constraints extension is not present in a
           version 3 certificate, or the extension is present but the cA boolean
           is not asserted, then the certified public key MUST NOT be used to
           verify certificate signatures. */
        //$basicConstraints = $this->getExtension('id-ce-basicConstraints');
        //if (!$basicConstraints || !$basicConstraints['cA']) {
        //    return false;
        //}

        $this->CAs[] = $cert;

        $this->dn = $olddn;
        $this->currentCert = $oldcert;
        $this->signatureSubject = $oldsigsubj;

        return true;
    }

    /**
     * Validate an X.509 certificate against a URL
     *
     * From RFC2818 "HTTP over TLS":
     *
     * Matching is performed using the matching rules specified by
     * [RFC2459].  If more than one identity of a given type is present in
     * the certificate (e.g., more than one dNSName name, a match in any one
     * of the set is considered acceptable.) Names may contain the wildcard
     * character * which is considered to match any single domain name
     * component or component fragment. E.g., *.a.com matches foo.a.com but
     * not bar.foo.a.com. f*.com matches foo.com but not bar.com.
     *
     * @param string $url
     * @access public
     * @return bool
     */
    public function validateURL($url)
    {
        if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
            return false;
        }

        $components = parse_url($url);
        if (!isset($components['host'])) {
            return false;
        }

        if ($names = $this->getExtension('id-ce-subjectAltName')) {
            foreach ($names as $name) {
                foreach ($name as $key => $value) {
                    $value = str_replace(['.', '*'], ['\.', '[^.]*'], $value);
                    switch ($key) {
                        case 'dNSName':
                            /* From RFC2818 "HTTP over TLS":

                               If a subjectAltName extension of type dNSName is present, that MUST
                               be used as the identity. Otherwise, the (most specific) Common Name
                               field in the Subject field of the certificate MUST be used. Although
                               the use of the Common Name is existing practice, it is deprecated and
                               Certification Authorities are encouraged to use the dNSName instead. */
                            if (preg_match('#^' . $value . '$#', $components['host'])) {
                                return true;
                            }
                            break;
                        case 'iPAddress':
                            /* From RFC2818 "HTTP over TLS":

                               In some cases, the URI is specified as an IP address rather than a
                               hostname. In this case, the iPAddress subjectAltName must be present
                               in the certificate and must exactly match the IP in the URI. */
                            if (preg_match('#(?:\d{1-3}\.){4}#', $components['host'] . '.') && preg_match('#^' . $value . '$#', $components['host'])) {
                                return true;
                            }
                    }
                }
            }
            return false;
        }

        if ($value = $this->getDNProp('id-at-commonName')) {
            $value = str_replace(['.', '*'], ['\.', '[^.]*'], $value[0]);
            return preg_match('#^' . $value . '$#', $components['host']) === 1;
        }

        return false;
    }

    /**
     * Validate a date
     *
     * If $date isn't defined it is assumed to be the current date.
     *
     * @param \DateTimeInterface|string $date optional
     * @access public
     * @return bool
     */
    public function validateDate($date = null)
    {
        if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
            return false;
        }

        if (!isset($date)) {
            $date = new \DateTimeImmutable('now', new \DateTimeZone(@date_default_timezone_get()));
        }

        $notBefore = $this->currentCert['tbsCertificate']['validity']['notBefore'];
        $notBefore = isset($notBefore['generalTime']) ? $notBefore['generalTime'] : $notBefore['utcTime'];

        $notAfter = $this->currentCert['tbsCertificate']['validity']['notAfter'];
        $notAfter = isset($notAfter['generalTime']) ? $notAfter['generalTime'] : $notAfter['utcTime'];

        if (is_string($date)) {
            $date = new \DateTimeImmutable($date, new \DateTimeZone(@date_default_timezone_get()));
        }

        $notBefore = new \DateTimeImmutable($notBefore, new \DateTimeZone(@date_default_timezone_get()));
        $notAfter = new \DateTimeImmutable($notAfter, new \DateTimeZone(@date_default_timezone_get()));

        return $date >= $notBefore && $date <= $notAfter;
    }

    /**
     * Fetches a URL
     *
     * @param string $url
     * @access private
     * @return bool|string
     */
    private static function fetchURL($url)
    {
        if (self::$disable_url_fetch) {
            return false;
        }

        $parts = parse_url($url);
        $data = '';
        switch ($parts['scheme']) {
            case 'http':
                $fsock = @fsockopen($parts['host'], isset($parts['port']) ? $parts['port'] : 80);
                if (!$fsock) {
                    return false;
                }
                fputs($fsock, "GET $parts[path] HTTP/1.0\r\n");
                fputs($fsock, "Host: $parts[host]\r\n\r\n");
                $line = fgets($fsock, 1024);
                if (strlen($line) < 3) {
                    return false;
                }
                preg_match('#HTTP/1.\d (\d{3})#', $line, $temp);
                if ($temp[1] != '200') {
                    return false;
                }

                // skip the rest of the headers in the http response
                while (!feof($fsock) && fgets($fsock, 1024) != "\r\n") {
                }

                while (!feof($fsock)) {
                    $temp = fread($fsock, 1024);
                    if ($temp === false) {
                        return false;
                    }
                    $data .= $temp;
                }

                break;
            //case 'ftp':
            //case 'ldap':
            //default:
        }

        return $data;
    }

    /**
     * Validates an intermediate cert as identified via authority info access extension
     *
     * See https://tools.ietf.org/html/rfc4325 for more info
     *
     * @param bool $caonly
     * @param int $count
     * @access private
     * @return bool
     */
    private function testForIntermediate($caonly, $count)
    {
        $opts = $this->getExtension('id-pe-authorityInfoAccess');
        if (!is_array($opts)) {
            return false;
        }
        foreach ($opts as $opt) {
            if ($opt['accessMethod'] == 'id-ad-caIssuers') {
                // accessLocation is a GeneralName. GeneralName fields support stuff like email addresses, IP addresses, LDAP,
                // etc, but we're only supporting URI's. URI's and LDAP are the only thing https://tools.ietf.org/html/rfc4325
                // discusses
                if (isset($opt['accessLocation']['uniformResourceIdentifier'])) {
                    $url = $opt['accessLocation']['uniformResourceIdentifier'];
                    break;
                }
            }
        }

        if (!isset($url)) {
            return false;
        }

        $cert = static::fetchURL($url);
        if (!is_string($cert)) {
            return false;
        }

        $parent = new static();
        $parent->CAs = $this->CAs;
        /*
         "Conforming applications that support HTTP or FTP for accessing
          certificates MUST be able to accept .cer files and SHOULD be able
          to accept .p7c files." -- https://tools.ietf.org/html/rfc4325

         A .p7c file is 'a "certs-only" CMS message as specified in RFC 2797"

         These are currently unsupported
        */
        if (!is_array($parent->loadX509($cert))) {
            return false;
        }

        if (!$parent->validateSignatureCountable($caonly, ++$count)) {
            return false;
        }

        $this->CAs[] = $parent->currentCert;
        //$this->loadCA($cert);

        return true;
    }

    /**
     * Validate a signature
     *
     * Works on X.509 certs, CSR's and CRL's.
     * Returns true if the signature is verified, false if it is not correct or null on error
     *
     * By default returns false for self-signed certs. Call validateSignature(false) to make this support
     * self-signed.
     *
     * The behavior of this function is inspired by {@link http://php.net/openssl-verify openssl_verify}.
     *
     * @param bool $caonly optional
     * @access public
     * @return mixed
     */
    public function validateSignature($caonly = true)
    {
        return $this->validateSignatureCountable($caonly, 0);
    }

    /**
     * Validate a signature
     *
     * Performs said validation whilst keeping track of how many times validation method is called
     *
     * @param bool $caonly
     * @param int $count
     * @access private
     * @return mixed
     */
    private function validateSignatureCountable($caonly, $count)
    {
        if (!is_array($this->currentCert) || !isset($this->signatureSubject)) {
            return null;
        }

        if ($count == self::$recur_limit) {
            return false;
        }

        /* TODO:
           "emailAddress attribute values are not case-sensitive (e.g., "subscriber@example.com" is the same as "SUBSCRIBER@EXAMPLE.COM")."
            -- http://tools.ietf.org/html/rfc5280#section-4.1.2.6

           implement pathLenConstraint in the id-ce-basicConstraints extension */

        switch (true) {
            case isset($this->currentCert['tbsCertificate']):
                // self-signed cert
                switch (true) {
                    case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $this->currentCert['tbsCertificate']['subject']:
                    case defined('FILE_X509_IGNORE_TYPE') && $this->getIssuerDN(self::DN_STRING) === $this->getDN(self::DN_STRING):
                        $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
                        $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier');
                        switch (true) {
                            case !is_array($authorityKey):
                            case !$subjectKeyID:
                            case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
                                $signingCert = $this->currentCert; // working cert
                        }
                }

                if (!empty($this->CAs)) {
                    for ($i = 0; $i < count($this->CAs); $i++) {
                        // even if the cert is a self-signed one we still want to see if it's a CA;
                        // if not, we'll conditionally return an error
                        $ca = $this->CAs[$i];
                        switch (true) {
                            case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']:
                            case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertificate']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']):
                                $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
                                $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
                                switch (true) {
                                    case !is_array($authorityKey):
                                    case !$subjectKeyID:
                                    case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
                                        if (is_array($authorityKey) && isset($authorityKey['authorityCertSerialNumber']) && !$authorityKey['authorityCertSerialNumber']->equals($ca['tbsCertificate']['serialNumber'])) {
                                            break 2; // serial mismatch - check other ca
                                        }
                                        $signingCert = $ca; // working cert
                                        break 3;
                                }
                        }
                    }
                    if (count($this->CAs) == $i && $caonly) {
                        return $this->testForIntermediate($caonly, $count) && $this->validateSignature($caonly);
                    }
                } elseif (!isset($signingCert) || $caonly) {
                    return $this->testForIntermediate($caonly, $count) && $this->validateSignature($caonly);
                }
                return $this->validateSignatureHelper(
                    $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'],
                    $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'],
                    $this->currentCert['signatureAlgorithm']['algorithm'],
                    substr($this->currentCert['signature'], 1),
                    $this->signatureSubject
                );
            case isset($this->currentCert['certificationRequestInfo']):
                return $this->validateSignatureHelper(
                    $this->currentCert['certificationRequestInfo']['subjectPKInfo']['algorithm']['algorithm'],
                    $this->currentCert['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'],
                    $this->currentCert['signatureAlgorithm']['algorithm'],
                    substr($this->currentCert['signature'], 1),
                    $this->signatureSubject
                );
            case isset($this->currentCert['publicKeyAndChallenge']):
                return $this->validateSignatureHelper(
                    $this->currentCert['publicKeyAndChallenge']['spki']['algorithm']['algorithm'],
                    $this->currentCert['publicKeyAndChallenge']['spki']['subjectPublicKey'],
                    $this->currentCert['signatureAlgorithm']['algorithm'],
                    substr($this->currentCert['signature'], 1),
                    $this->signatureSubject
                );
            case isset($this->currentCert['tbsCertList']):
                if (!empty($this->CAs)) {
                    for ($i = 0; $i < count($this->CAs); $i++) {
                        $ca = $this->CAs[$i];
                        switch (true) {
                            case !defined('FILE_X509_IGNORE_TYPE') && $this->currentCert['tbsCertList']['issuer'] === $ca['tbsCertificate']['subject']:
                            case defined('FILE_X509_IGNORE_TYPE') && $this->getDN(self::DN_STRING, $this->currentCert['tbsCertList']['issuer']) === $this->getDN(self::DN_STRING, $ca['tbsCertificate']['subject']):
                                $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier');
                                $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
                                switch (true) {
                                    case !is_array($authorityKey):
                                    case !$subjectKeyID:
                                    case isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
                                        if (is_array($authorityKey) && isset($authorityKey['authorityCertSerialNumber']) && !$authorityKey['authorityCertSerialNumber']->equals($ca['tbsCertificate']['serialNumber'])) {
                                            break 2; // serial mismatch - check other ca
                                        }
                                        $signingCert = $ca; // working cert
                                        break 3;
                                }
                        }
                    }
                }
                if (!isset($signingCert)) {
                    return false;
                }
                return $this->validateSignatureHelper(
                    $signingCert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm'],
                    $signingCert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'],
                    $this->currentCert['signatureAlgorithm']['algorithm'],
                    substr($this->currentCert['signature'], 1),
                    $this->signatureSubject
                );
            default:
                return false;
        }
    }

    /**
     * Validates a signature
     *
     * Returns true if the signature is verified and false if it is not correct.
     * If the algorithms are unsupposed an exception is thrown.
     *
     * @param string $publicKeyAlgorithm
     * @param string $publicKey
     * @param string $signatureAlgorithm
     * @param string $signature
     * @param string $signatureSubject
     * @access private
     * @throws \phpseclib3\Exception\UnsupportedAlgorithmException if the algorithm is unsupported
     * @return bool
     */
    private function validateSignatureHelper($publicKeyAlgorithm, $publicKey, $signatureAlgorithm, $signature, $signatureSubject)
    {
        switch ($publicKeyAlgorithm) {
            case 'id-RSASSA-PSS':
                $key = RSA::loadFormat('PSS', $publicKey);
                break;
            case 'rsaEncryption':
                $key = RSA::loadFormat('PKCS8', $publicKey);
                switch ($signatureAlgorithm) {
                    case 'md2WithRSAEncryption':
                    case 'md5WithRSAEncryption':
                    case 'sha1WithRSAEncryption':
                    case 'sha224WithRSAEncryption':
                    case 'sha256WithRSAEncryption':
                    case 'sha384WithRSAEncryption':
                    case 'sha512WithRSAEncryption':
                        $key = $key
                            ->withHash(preg_replace('#WithRSAEncryption$#', '', $signatureAlgorithm))
                            ->withPadding(RSA::SIGNATURE_PKCS1);
                        break;
                    default:
                        throw new UnsupportedAlgorithmException('Signature algorithm unsupported');
                }
                break;
            case 'id-Ed25519':
            case 'id-Ed448':
                $key = EC::loadFormat('PKCS8', $publicKey);
                break;
            case 'id-ecPublicKey':
                $key = EC::loadFormat('PKCS8', $publicKey);
                switch ($signatureAlgorithm) {
                    case 'ecdsa-with-SHA1':
                    case 'ecdsa-with-SHA224':
                    case 'ecdsa-with-SHA256':
                    case 'ecdsa-with-SHA384':
                    case 'ecdsa-with-SHA512':
                        $key = $key
                            ->withHash(preg_replace('#^ecdsa-with-#', '', strtolower($signatureAlgorithm)));
                        break;
                    default:
                        throw new UnsupportedAlgorithmException('Signature algorithm unsupported');
                }
                break;
            case 'id-dsa':
                $key = DSA::loadFormat('PKCS8', $publicKey);
                switch ($signatureAlgorithm) {
                    case 'id-dsa-with-sha1':
                    case 'id-dsa-with-sha224':
                    case 'id-dsa-with-sha256':
                        $key = $key
                            ->withHash(preg_replace('#^id-dsa-with-#', '', strtolower($signatureAlgorithm)));
                        break;
                    default:
                        throw new UnsupportedAlgorithmException('Signature algorithm unsupported');
                }
                break;
            default:
                throw new UnsupportedAlgorithmException('Public key algorithm unsupported');
        }

        return $key->verify($signatureSubject, $signature);
    }

    /**
     * Sets the recursion limit
     *
     * When validating a signature it may be necessary to download intermediate certs from URI's.
     * An intermediate cert that linked to itself would result in an infinite loop so to prevent
     * that we set a recursion limit. A negative number means that there is no recursion limit.
     *
     * @param int $count
     * @access public
     */
    public static function setRecurLimit($count)
    {
        self::$recur_limit = $count;
    }

    /**
     * Prevents URIs from being automatically retrieved
     *
     * @access public
     */
    public static function disableURLFetch()
    {
        self::$disable_url_fetch = true;
    }

    /**
     * Allows URIs to be automatically retrieved
     *
     * @access public
     */
    public static function enableURLFetch()
    {
        self::$disable_url_fetch = false;
    }

    /**
     * Decodes an IP address
     *
     * Takes in a base64 encoded "blob" and returns a human readable IP address
     *
     * @param string $ip
     * @access private
     * @return string
     */
    public static function decodeIP($ip)
    {
        return inet_ntop($ip);
    }

    /**
     * Decodes an IP address in a name constraints extension
     *
     * Takes in a base64 encoded "blob" and returns a human readable IP address / mask
     *
     * @param string $ip
     * @access private
     * @return array
     */
    public static function decodeNameConstraintIP($ip)
    {
        $size = strlen($ip) >> 1;
        $mask = substr($ip, $size);
        $ip = substr($ip, 0, $size);
        return [inet_ntop($ip), inet_ntop($mask)];
    }

    /**
     * Encodes an IP address
     *
     * Takes a human readable IP address into a base64-encoded "blob"
     *
     * @param string|array $ip
     * @access private
     * @return string
     */
    public static function encodeIP($ip)
    {
        return is_string($ip) ?
            inet_pton($ip) :
            inet_pton($ip[0]) . inet_pton($ip[1]);
    }

    /**
     * "Normalizes" a Distinguished Name property
     *
     * @param string $propName
     * @access private
     * @return mixed
     */
    private function translateDNProp($propName)
    {
        switch (strtolower($propName)) {
            case 'id-at-countryname':
            case 'countryname':
            case 'c':
                return 'id-at-countryName';
            case 'id-at-organizationname':
            case 'organizationname':
            case 'o':
                return 'id-at-organizationName';
            case 'id-at-dnqualifier':
            case 'dnqualifier':
                return 'id-at-dnQualifier';
            case 'id-at-commonname':
            case 'commonname':
            case 'cn':
                return 'id-at-commonName';
            case 'id-at-stateorprovincename':
            case 'stateorprovincename':
            case 'state':
            case 'province':
            case 'provincename':
            case 'st':
                return 'id-at-stateOrProvinceName';
            case 'id-at-localityname':
            case 'localityname':
            case 'l':
                return 'id-at-localityName';
            case 'id-emailaddress':
            case 'emailaddress':
                return 'pkcs-9-at-emailAddress';
            case 'id-at-serialnumber':
            case 'serialnumber':
                return 'id-at-serialNumber';
            case 'id-at-postalcode':
            case 'postalcode':
                return 'id-at-postalCode';
            case 'id-at-streetaddress':
            case 'streetaddress':
                return 'id-at-streetAddress';
            case 'id-at-name':
            case 'name':
                return 'id-at-name';
            case 'id-at-givenname':
            case 'givenname':
                return 'id-at-givenName';
            case 'id-at-surname':
            case 'surname':
            case 'sn':
                return 'id-at-surname';
            case 'id-at-initials':
            case 'initials':
                return 'id-at-initials';
            case 'id-at-generationqualifier':
            case 'generationqualifier':
                return 'id-at-generationQualifier';
            case 'id-at-organizationalunitname':
            case 'organizationalunitname':
            case 'ou':
                return 'id-at-organizationalUnitName';
            case 'id-at-pseudonym':
            case 'pseudonym':
                return 'id-at-pseudonym';
            case 'id-at-title':
            case 'title':
                return 'id-at-title';
            case 'id-at-description':
            case 'description':
                return 'id-at-description';
            case 'id-at-role':
            case 'role':
                return 'id-at-role';
            case 'id-at-uniqueidentifier':
            case 'uniqueidentifier':
            case 'x500uniqueidentifier':
                return 'id-at-uniqueIdentifier';
            case 'postaladdress':
            case 'id-at-postaladdress':
                return 'id-at-postalAddress';
            default:
                return false;
        }
    }

    /**
     * Set a Distinguished Name property
     *
     * @param string $propName
     * @param mixed $propValue
     * @param string $type optional
     * @access public
     * @return bool
     */
    public function setDNProp($propName, $propValue, $type = 'utf8String')
    {
        if (empty($this->dn)) {
            $this->dn = ['rdnSequence' => []];
        }

        if (($propName = $this->translateDNProp($propName)) === false) {
            return false;
        }

        foreach ((array) $propValue as $v) {
            if (!is_array($v) && isset($type)) {
                $v = [$type => $v];
            }
            $this->dn['rdnSequence'][] = [
                [
                    'type' => $propName,
                    'value' => $v
                ]
            ];
        }

        return true;
    }

    /**
     * Remove Distinguished Name properties
     *
     * @param string $propName
     * @access public
     */
    public function removeDNProp($propName)
    {
        if (empty($this->dn)) {
            return;
        }

        if (($propName = $this->translateDNProp($propName)) === false) {
            return;
        }

        $dn = &$this->dn['rdnSequence'];
        $size = count($dn);
        for ($i = 0; $i < $size; $i++) {
            if ($dn[$i][0]['type'] == $propName) {
                unset($dn[$i]);
            }
        }

        $dn = array_values($dn);
        // fix for https://bugs.php.net/75433 affecting PHP 7.2
        if (!isset($dn[0])) {
            $dn = array_splice($dn, 0, 0);
        }
    }

    /**
     * Get Distinguished Name properties
     *
     * @param string $propName
     * @param array $dn optional
     * @param bool $withType optional
     * @return mixed
     * @access public
     */
    public function getDNProp($propName, $dn = null, $withType = false)
    {
        if (!isset($dn)) {
            $dn = $this->dn;
        }

        if (empty($dn)) {
            return false;
        }

        if (($propName = $this->translateDNProp($propName)) === false) {
            return false;
        }

        $filters = [];
        $filters['value'] = ['type' => ASN1::TYPE_UTF8_STRING];
        ASN1::setFilters($filters);
        $this->mapOutDNs($dn, 'rdnSequence');
        $dn = $dn['rdnSequence'];
        $result = [];
        for ($i = 0; $i < count($dn); $i++) {
            if ($dn[$i][0]['type'] == $propName) {
                $v = $dn[$i][0]['value'];
                if (!$withType) {
                    if (is_array($v)) {
                        foreach ($v as $type => $s) {
                            $type = array_search($type, ASN1::ANY_MAP);
                            if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) {
                                $s = ASN1::convert($s, $type);
                                if ($s !== false) {
                                    $v = $s;
                                    break;
                                }
                            }
                        }
                        if (is_array($v)) {
                            $v = array_pop($v); // Always strip data type.
                        }
                    } elseif (is_object($v) && $v instanceof Element) {
                        $map = $this->getMapping($propName);
                        if (!is_bool($map)) {
                            $decoded = ASN1::decodeBER($v);
                            $v = ASN1::asn1map($decoded[0], $map);
                        }
                    }
                }
                $result[] = $v;
            }
        }

        return $result;
    }

    /**
     * Set a Distinguished Name
     *
     * @param mixed $dn
     * @param bool $merge optional
     * @param string $type optional
     * @access public
     * @return bool
     */
    public function setDN($dn, $merge = false, $type = 'utf8String')
    {
        if (!$merge) {
            $this->dn = null;
        }

        if (is_array($dn)) {
            if (isset($dn['rdnSequence'])) {
                $this->dn = $dn; // No merge here.
                return true;
            }

            // handles stuff generated by openssl_x509_parse()
            foreach ($dn as $prop => $value) {
                if (!$this->setDNProp($prop, $value, $type)) {
                    return false;
                }
            }
            return true;
        }

        // handles everything else
        $results = preg_split('#((?:^|, *|/)(?:C=|O=|OU=|CN=|L=|ST=|SN=|postalCode=|streetAddress=|emailAddress=|serialNumber=|organizationalUnitName=|title=|description=|role=|x500UniqueIdentifier=|postalAddress=))#', $dn, -1, PREG_SPLIT_DELIM_CAPTURE);
        for ($i = 1; $i < count($results); $i += 2) {
            $prop = trim($results[$i], ', =/');
            $value = $results[$i + 1];
            if (!$this->setDNProp($prop, $value, $type)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Get the Distinguished Name for a certificates subject
     *
     * @param mixed $format optional
     * @param array $dn optional
     * @access public
     * @return array|bool|string
     */
    public function getDN($format = self::DN_ARRAY, $dn = null)
    {
        if (!isset($dn)) {
            $dn = isset($this->currentCert['tbsCertList']) ? $this->currentCert['tbsCertList']['issuer'] : $this->dn;
        }

        switch ((int) $format) {
            case self::DN_ARRAY:
                return $dn;
            case self::DN_ASN1:
                $filters = [];
                $filters['rdnSequence']['value'] = ['type' => ASN1::TYPE_UTF8_STRING];
                ASN1::setFilters($filters);
                $this->mapOutDNs($dn, 'rdnSequence');
                return ASN1::encodeDER($dn, Maps\Name::MAP);
            case self::DN_CANON:
                //  No SEQUENCE around RDNs and all string values normalized as
                // trimmed lowercase UTF-8 with all spacing as one blank.
                // constructed RDNs will not be canonicalized
                $filters = [];
                $filters['value'] = ['type' => ASN1::TYPE_UTF8_STRING];
                ASN1::setFilters($filters);
                $result = '';
                $this->mapOutDNs($dn, 'rdnSequence');
                foreach ($dn['rdnSequence'] as $rdn) {
                    foreach ($rdn as $i => $attr) {
                        $attr = &$rdn[$i];
                        if (is_array($attr['value'])) {
                            foreach ($attr['value'] as $type => $v) {
                                $type = array_search($type, ASN1::ANY_MAP, true);
                                if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) {
                                    $v = ASN1::convert($v, $type);
                                    if ($v !== false) {
                                        $v = preg_replace('/\s+/', ' ', $v);
                                        $attr['value'] = strtolower(trim($v));
                                        break;
                                    }
                                }
                            }
                        }
                    }
                    $result .= ASN1::encodeDER($rdn, Maps\RelativeDistinguishedName::MAP);
                }
                return $result;
            case self::DN_HASH:
                $dn = $this->getDN(self::DN_CANON, $dn);
                $hash = new Hash('sha1');
                $hash = $hash->hash($dn);
                extract(unpack('Vhash', $hash));
                return strtolower(Hex::encode(pack('N', $hash)));
        }

        // Default is to return a string.
        $start = true;
        $output = '';

        $result = [];
        $filters = [];
        $filters['rdnSequence']['value'] = ['type' => ASN1::TYPE_UTF8_STRING];
        ASN1::setFilters($filters);
        $this->mapOutDNs($dn, 'rdnSequence');

        foreach ($dn['rdnSequence'] as $field) {
            $prop = $field[0]['type'];
            $value = $field[0]['value'];

            $delim = ', ';
            switch ($prop) {
                case 'id-at-countryName':
                    $desc = 'C';
                    break;
                case 'id-at-stateOrProvinceName':
                    $desc = 'ST';
                    break;
                case 'id-at-organizationName':
                    $desc = 'O';
                    break;
                case 'id-at-organizationalUnitName':
                    $desc = 'OU';
                    break;
                case 'id-at-commonName':
                    $desc = 'CN';
                    break;
                case 'id-at-localityName':
                    $desc = 'L';
                    break;
                case 'id-at-surname':
                    $desc = 'SN';
                    break;
                case 'id-at-uniqueIdentifier':
                    $delim = '/';
                    $desc = 'x500UniqueIdentifier';
                    break;
                case 'id-at-postalAddress':
                    $delim = '/';
                    $desc = 'postalAddress';
                    break;
                default:
                    $delim = '/';
                    $desc = preg_replace('#.+-([^-]+)$#', '$1', $prop);
            }

            if (!$start) {
                $output .= $delim;
            }
            if (is_array($value)) {
                foreach ($value as $type => $v) {
                    $type = array_search($type, ASN1::ANY_MAP, true);
                    if ($type !== false && array_key_exists($type, ASN1::STRING_TYPE_SIZE)) {
                        $v = ASN1::convert($v, $type);
                        if ($v !== false) {
                            $value = $v;
                            break;
                        }
                    }
                }
                if (is_array($value)) {
                    $value = array_pop($value); // Always strip data type.
                }
            } elseif (is_object($value) && $value instanceof Element) {
                $callback = function ($x) {
                    return '\x' . bin2hex($x[0]);
                };
                $value = strtoupper(preg_replace_callback('#[^\x20-\x7E]#', $callback, $value->element));
            }
            $output .= $desc . '=' . $value;
            $result[$desc] = isset($result[$desc]) ?
                array_merge((array) $result[$desc], [$value]) :
                $value;
            $start = false;
        }

        return $format == self::DN_OPENSSL ? $result : $output;
    }

    /**
     * Get the Distinguished Name for a certificate/crl issuer
     *
     * @param int $format optional
     * @access public
     * @return mixed
     */
    public function getIssuerDN($format = self::DN_ARRAY)
    {
        switch (true) {
            case !isset($this->currentCert) || !is_array($this->currentCert):
                break;
            case isset($this->currentCert['tbsCertificate']):
                return $this->getDN($format, $this->currentCert['tbsCertificate']['issuer']);
            case isset($this->currentCert['tbsCertList']):
                return $this->getDN($format, $this->currentCert['tbsCertList']['issuer']);
        }

        return false;
    }

    /**
     * Get the Distinguished Name for a certificate/csr subject
     * Alias of getDN()
     *
     * @param int $format optional
     * @access public
     * @return mixed
     */
    public function getSubjectDN($format = self::DN_ARRAY)
    {
        switch (true) {
            case !empty($this->dn):
                return $this->getDN($format);
            case !isset($this->currentCert) || !is_array($this->currentCert):
                break;
            case isset($this->currentCert['tbsCertificate']):
                return $this->getDN($format, $this->currentCert['tbsCertificate']['subject']);
            case isset($this->currentCert['certificationRequestInfo']):
                return $this->getDN($format, $this->currentCert['certificationRequestInfo']['subject']);
        }

        return false;
    }

    /**
     * Get an individual Distinguished Name property for a certificate/crl issuer
     *
     * @param string $propName
     * @param bool $withType optional
     * @access public
     * @return mixed
     */
    public function getIssuerDNProp($propName, $withType = false)
    {
        switch (true) {
            case !isset($this->currentCert) || !is_array($this->currentCert):
                break;
            case isset($this->currentCert['tbsCertificate']):
                return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['issuer'], $withType);
            case isset($this->currentCert['tbsCertList']):
                return $this->getDNProp($propName, $this->currentCert['tbsCertList']['issuer'], $withType);
        }

        return false;
    }

    /**
     * Get an individual Distinguished Name property for a certificate/csr subject
     *
     * @param string $propName
     * @param bool $withType optional
     * @access public
     * @return mixed
     */
    public function getSubjectDNProp($propName, $withType = false)
    {
        switch (true) {
            case !empty($this->dn):
                return $this->getDNProp($propName, null, $withType);
            case !isset($this->currentCert) || !is_array($this->currentCert):
                break;
            case isset($this->currentCert['tbsCertificate']):
                return $this->getDNProp($propName, $this->currentCert['tbsCertificate']['subject'], $withType);
            case isset($this->currentCert['certificationRequestInfo']):
                return $this->getDNProp($propName, $this->currentCert['certificationRequestInfo']['subject'], $withType);
        }

        return false;
    }

    /**
     * Get the certificate chain for the current cert
     *
     * @access public
     * @return mixed
     */
    public function getChain()
    {
        $chain = [$this->currentCert];

        if (!is_array($this->currentCert) || !isset($this->currentCert['tbsCertificate'])) {
            return false;
        }
        if (empty($this->CAs)) {
            return $chain;
        }
        while (true) {
            $currentCert = $chain[count($chain) - 1];
            for ($i = 0; $i < count($this->CAs); $i++) {
                $ca = $this->CAs[$i];
                if ($currentCert['tbsCertificate']['issuer'] === $ca['tbsCertificate']['subject']) {
                    $authorityKey = $this->getExtension('id-ce-authorityKeyIdentifier', $currentCert);
                    $subjectKeyID = $this->getExtension('id-ce-subjectKeyIdentifier', $ca);
                    switch (true) {
                        case !is_array($authorityKey):
                        case is_array($authorityKey) && isset($authorityKey['keyIdentifier']) && $authorityKey['keyIdentifier'] === $subjectKeyID:
                            if ($currentCert === $ca) {
                                break 3;
                            }
                            $chain[] = $ca;
                            break 2;
                    }
                }
            }
            if ($i == count($this->CAs)) {
                break;
            }
        }
        foreach ($chain as $key => $value) {
            $chain[$key] = new X509();
            $chain[$key]->loadX509($value);
        }
        return $chain;
    }

    /**
     * Returns the current cert
     *
     * @access public
     * @return array|bool
     */
    public function &getCurrentCert()
    {
        return $this->currentCert;
    }

    /**
     * Set public key
     *
     * Key needs to be a \phpseclib3\Crypt\RSA object
     *
     * @param PublicKey $key
     * @access public
     * @return void
     */
    public function setPublicKey(PublicKey $key)
    {
        $this->publicKey = $key;
    }

    /**
     * Set private key
     *
     * Key needs to be a \phpseclib3\Crypt\RSA object
     *
     * @param PrivateKey $key
     * @access public
     */
    public function setPrivateKey(PrivateKey $key)
    {
        $this->privateKey = $key;
    }

    /**
     * Set challenge
     *
     * Used for SPKAC CSR's
     *
     * @param string $challenge
     * @access public
     */
    public function setChallenge($challenge)
    {
        $this->challenge = $challenge;
    }

    /**
     * Gets the public key
     *
     * Returns a \phpseclib3\Crypt\RSA object or a false.
     *
     * @access public
     * @return mixed
     */
    public function getPublicKey()
    {
        if (isset($this->publicKey)) {
            return $this->publicKey;
        }

        if (isset($this->currentCert) && is_array($this->currentCert)) {
            $paths = [
                'tbsCertificate/subjectPublicKeyInfo',
                'certificationRequestInfo/subjectPKInfo',
                'publicKeyAndChallenge/spki'
            ];
            foreach ($paths as $path) {
                $keyinfo = $this->subArray($this->currentCert, $path);
                if (!empty($keyinfo)) {
                    break;
                }
            }
        }
        if (empty($keyinfo)) {
            return false;
        }

        $key = $keyinfo['subjectPublicKey'];

        switch ($keyinfo['algorithm']['algorithm']) {
            case 'id-RSASSA-PSS':
                return RSA::loadFormat('PSS', $key);
            case 'rsaEncryption':
                return RSA::loadFormat('PKCS8', $key)->withPadding(RSA::SIGNATURE_PKCS1);
            case 'id-ecPublicKey':
            case 'id-Ed25519':
            case 'id-Ed448':
                return EC::loadFormat('PKCS8', $key);
            case 'id-dsa':
                return DSA::loadFormat('PKCS8', $key);
        }

        return false;
    }

    /**
     * Load a Certificate Signing Request
     *
     * @param string $csr
     * @param int $mode
     * @return mixed
     * @access public
     */
    public function loadCSR($csr, $mode = self::FORMAT_AUTO_DETECT)
    {
        if (is_array($csr) && isset($csr['certificationRequestInfo'])) {
            unset($this->currentCert);
            unset($this->currentKeyIdentifier);
            unset($this->signatureSubject);
            $this->dn = $csr['certificationRequestInfo']['subject'];
            if (!isset($this->dn)) {
                return false;
            }

            $this->currentCert = $csr;
            return $csr;
        }

        // see http://tools.ietf.org/html/rfc2986

        if ($mode != self::FORMAT_DER) {
            $newcsr = ASN1::extractBER($csr);
            if ($mode == self::FORMAT_PEM && $csr == $newcsr) {
                return false;
            }
            $csr = $newcsr;
        }
        $orig = $csr;

        if ($csr === false) {
            $this->currentCert = false;
            return false;
        }

        $decoded = ASN1::decodeBER($csr);

        if (empty($decoded)) {
            $this->currentCert = false;
            return false;
        }

        $csr = ASN1::asn1map($decoded[0], Maps\CertificationRequest::MAP);
        if (!isset($csr) || $csr === false) {
            $this->currentCert = false;
            return false;
        }

        $this->mapInAttributes($csr, 'certificationRequestInfo/attributes');
        $this->mapInDNs($csr, 'certificationRequestInfo/subject/rdnSequence');

        $this->dn = $csr['certificationRequestInfo']['subject'];

        $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);

        $key = $csr['certificationRequestInfo']['subjectPKInfo'];
        $key = ASN1::encodeDER($key, Maps\SubjectPublicKeyInfo::MAP);
        $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'] =
            "-----BEGIN PUBLIC KEY-----\r\n" .
            chunk_split(base64_encode($key), 64) .
            "-----END PUBLIC KEY-----";

        $this->currentKeyIdentifier = null;
        $this->currentCert = $csr;

        $this->publicKey = null;
        $this->publicKey = $this->getPublicKey();

        return $csr;
    }

    /**
     * Save CSR request
     *
     * @param array $csr
     * @param int $format optional
     * @access public
     * @return string
     */
    public function saveCSR($csr, $format = self::FORMAT_PEM)
    {
        if (!is_array($csr) || !isset($csr['certificationRequestInfo'])) {
            return false;
        }

        switch (true) {
            case !($algorithm = $this->subArray($csr, 'certificationRequestInfo/subjectPKInfo/algorithm/algorithm')):
            case is_object($csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']):
                break;
            default:
                $csr['certificationRequestInfo']['subjectPKInfo'] = new Element(
                    base64_decode(preg_replace('#-.+-|[\r\n]#', '', $csr['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']))
                );
        }

        $filters = [];
        $filters['certificationRequestInfo']['subject']['rdnSequence']['value']
            = ['type' => ASN1::TYPE_UTF8_STRING];

        ASN1::setFilters($filters);

        $this->mapOutDNs($csr, 'certificationRequestInfo/subject/rdnSequence');
        $this->mapOutAttributes($csr, 'certificationRequestInfo/attributes');
        $csr = ASN1::encodeDER($csr, Maps\CertificationRequest::MAP);

        switch ($format) {
            case self::FORMAT_DER:
                return $csr;
            // case self::FORMAT_PEM:
            default:
                return "-----BEGIN CERTIFICATE REQUEST-----\r\n" . chunk_split(Base64::encode($csr), 64) . '-----END CERTIFICATE REQUEST-----';
        }
    }

    /**
     * Load a SPKAC CSR
     *
     * SPKAC's are produced by the HTML5 keygen element:
     *
     * https://developer.mozilla.org/en-US/docs/HTML/Element/keygen
     *
     * @param string $spkac
     * @access public
     * @return mixed
     */
    public function loadSPKAC($spkac)
    {
        if (is_array($spkac) && isset($spkac['publicKeyAndChallenge'])) {
            unset($this->currentCert);
            unset($this->currentKeyIdentifier);
            unset($this->signatureSubject);
            $this->currentCert = $spkac;
            return $spkac;
        }

        // see http://www.w3.org/html/wg/drafts/html/master/forms.html#signedpublickeyandchallenge

        // OpenSSL produces SPKAC's that are preceded by the string SPKAC=
        $temp = preg_replace('#(?:SPKAC=)|[ \r\n\\\]#', '', $spkac);
        $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? Base64::decode($temp) : false;
        if ($temp != false) {
            $spkac = $temp;
        }
        $orig = $spkac;

        if ($spkac === false) {
            $this->currentCert = false;
            return false;
        }

        $decoded = ASN1::decodeBER($spkac);

        if (empty($decoded)) {
            $this->currentCert = false;
            return false;
        }

        $spkac = ASN1::asn1map($decoded[0], Maps\SignedPublicKeyAndChallenge::MAP);

        if (!isset($spkac) || !is_array($spkac)) {
            $this->currentCert = false;
            return false;
        }

        $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);

        $key = $spkac['publicKeyAndChallenge']['spki'];
        $key = ASN1::encodeDER($key, Maps\SubjectPublicKeyInfo::MAP);
        $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey'] =
            "-----BEGIN PUBLIC KEY-----\r\n" .
            chunk_split(base64_encode($key), 64) .
            "-----END PUBLIC KEY-----";

        $this->currentKeyIdentifier = null;
        $this->currentCert = $spkac;

        $this->publicKey = null;
        $this->publicKey = $this->getPublicKey();

        return $spkac;
    }

    /**
     * Save a SPKAC CSR request
     *
     * @param array $spkac
     * @param int $format optional
     * @access public
     * @return string
     */
    public function saveSPKAC($spkac, $format = self::FORMAT_PEM)
    {
        if (!is_array($spkac) || !isset($spkac['publicKeyAndChallenge'])) {
            return false;
        }

        $algorithm = $this->subArray($spkac, 'publicKeyAndChallenge/spki/algorithm/algorithm');
        switch (true) {
            case !$algorithm:
            case is_object($spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']):
                break;
            default:
                $spkac['publicKeyAndChallenge']['spki'] = new Element(
                    base64_decode(preg_replace('#-.+-|[\r\n]#', '', $spkac['publicKeyAndChallenge']['spki']['subjectPublicKey']))
                );
        }

        $spkac = ASN1::encodeDER($spkac, Maps\SignedPublicKeyAndChallenge::MAP);

        switch ($format) {
            case self::FORMAT_DER:
                return $spkac;
            // case self::FORMAT_PEM:
            default:
                // OpenSSL's implementation of SPKAC requires the SPKAC be preceded by SPKAC= and since there are pretty much
                // no other SPKAC decoders phpseclib will use that same format
                return 'SPKAC=' . Base64::encode($spkac);
        }
    }

    /**
     * Load a Certificate Revocation List
     *
     * @param string $crl
     * @param int $mode
     * @return mixed
     * @access public
     */
    public function loadCRL($crl, $mode = self::FORMAT_AUTO_DETECT)
    {
        if (is_array($crl) && isset($crl['tbsCertList'])) {
            $this->currentCert = $crl;
            unset($this->signatureSubject);
            return $crl;
        }

        if ($mode != self::FORMAT_DER) {
            $newcrl = ASN1::extractBER($crl);
            if ($mode == self::FORMAT_PEM && $crl == $newcrl) {
                return false;
            }
            $crl = $newcrl;
        }
        $orig = $crl;

        if ($crl === false) {
            $this->currentCert = false;
            return false;
        }

        $decoded = ASN1::decodeBER($crl);

        if (empty($decoded)) {
            $this->currentCert = false;
            return false;
        }

        $crl = ASN1::asn1map($decoded[0], Maps\CertificateList::MAP);
        if (!isset($crl) || $crl === false) {
            $this->currentCert = false;
            return false;
        }

        $this->signatureSubject = substr($orig, $decoded[0]['content'][0]['start'], $decoded[0]['content'][0]['length']);

        $this->mapInDNs($crl, 'tbsCertList/issuer/rdnSequence');
        if ($this->isSubArrayValid($crl, 'tbsCertList/crlExtensions')) {
            $this->mapInExtensions($crl, 'tbsCertList/crlExtensions');
        }
        if ($this->isSubArrayValid($crl, 'tbsCertList/revokedCertificates')) {
            $rclist_ref = &$this->subArrayUnchecked($crl, 'tbsCertList/revokedCertificates');
            if ($rclist_ref) {
                $rclist = $crl['tbsCertList']['revokedCertificates'];
                foreach ($rclist as $i => $extension) {
                    if ($this->isSubArrayValid($rclist, "$i/crlEntryExtensions")) {
                        $this->mapInExtensions($rclist_ref, "$i/crlEntryExtensions");
                    }
                }
            }
        }

        $this->currentKeyIdentifier = null;
        $this->currentCert = $crl;

        return $crl;
    }

    /**
     * Save Certificate Revocation List.
     *
     * @param array $crl
     * @param int $format optional
     * @access public
     * @return string
     */
    public function saveCRL($crl, $format = self::FORMAT_PEM)
    {
        if (!is_array($crl) || !isset($crl['tbsCertList'])) {
            return false;
        }

        $filters = [];
        $filters['tbsCertList']['issuer']['rdnSequence']['value']
            = ['type' => ASN1::TYPE_UTF8_STRING];
        $filters['tbsCertList']['signature']['parameters']
            = ['type' => ASN1::TYPE_UTF8_STRING];
        $filters['signatureAlgorithm']['parameters']
            = ['type' => ASN1::TYPE_UTF8_STRING];

        if (empty($crl['tbsCertList']['signature']['parameters'])) {
            $filters['tbsCertList']['signature']['parameters']
                = ['type' => ASN1::TYPE_NULL];
        }

        if (empty($crl['signatureAlgorithm']['parameters'])) {
            $filters['signatureAlgorithm']['parameters']
                = ['type' => ASN1::TYPE_NULL];
        }

        ASN1::setFilters($filters);

        $this->mapOutDNs($crl, 'tbsCertList/issuer/rdnSequence');
        $this->mapOutExtensions($crl, 'tbsCertList/crlExtensions');
        $rclist = &$this->subArray($crl, 'tbsCertList/revokedCertificates');
        if (is_array($rclist)) {
            foreach ($rclist as $i => $extension) {
                $this->mapOutExtensions($rclist, "$i/crlEntryExtensions");
            }
        }

        $crl = ASN1::encodeDER($crl, Maps\CertificateList::MAP);

        switch ($format) {
            case self::FORMAT_DER:
                return $crl;
            // case self::FORMAT_PEM:
            default:
                return "-----BEGIN X509 CRL-----\r\n" . chunk_split(Base64::encode($crl), 64) . '-----END X509 CRL-----';
        }
    }

    /**
     * Helper function to build a time field according to RFC 3280 section
     *  - 4.1.2.5 Validity
     *  - 5.1.2.4 This Update
     *  - 5.1.2.5 Next Update
     *  - 5.1.2.6 Revoked Certificates
     * by choosing utcTime iff year of date given is before 2050 and generalTime else.
     *
     * @param string $date in format date('D, d M Y H:i:s O')
     * @access private
     * @return array|Element
     */
    private function timeField($date)
    {
        if ($date instanceof Element) {
            return $date;
        }
        $dateObj = new \DateTimeImmutable($date, new \DateTimeZone('GMT'));
        $year = $dateObj->format('Y'); // the same way ASN1.php parses this
        if ($year < 2050) {
            return ['utcTime' => $date];
        } else {
            return ['generalTime' => $date];
        }
    }

    /**
     * Sign an X.509 certificate
     *
     * $issuer's private key needs to be loaded.
     * $subject can be either an existing X.509 cert (if you want to resign it),
     * a CSR or something with the DN and public key explicitly set.
     *
     * @param \phpseclib3\File\X509 $issuer
     * @param \phpseclib3\File\X509 $subject
     * @access public
     * @return mixed
     */
    public function sign($issuer, $subject)
    {
        if (!is_object($issuer->privateKey) || empty($issuer->dn)) {
            return false;
        }

        if (isset($subject->publicKey) && !($subjectPublicKey = $subject->formatSubjectPublicKey())) {
            return false;
        }

        $currentCert = isset($this->currentCert) ? $this->currentCert : null;
        $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null;
        $signatureAlgorithm = self::identifySignatureAlgorithm($issuer->privateKey);
        if ($signatureAlgorithm != 'id-RSASSA-PSS') {
            $signatureAlgorithm = ['algorithm' => $signatureAlgorithm];
        } else {
            $r = PSS::load($issuer->privateKey->withPassword()->toString('PSS'));
            $signatureAlgorithm = [
                'algorithm' => 'id-RSASSA-PSS',
                'parameters' => PSS::savePSSParams($r)
            ];
        }

        if (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertificate'])) {
            $this->currentCert = $subject->currentCert;
            $this->currentCert['tbsCertificate']['signature'] = $signatureAlgorithm;
            $this->currentCert['signatureAlgorithm'] = $signatureAlgorithm;


            if (!empty($this->startDate)) {
                $this->currentCert['tbsCertificate']['validity']['notBefore'] = $this->timeField($this->startDate);
            }
            if (!empty($this->endDate)) {
                $this->currentCert['tbsCertificate']['validity']['notAfter'] = $this->timeField($this->endDate);
            }
            if (!empty($this->serialNumber)) {
                $this->currentCert['tbsCertificate']['serialNumber'] = $this->serialNumber;
            }
            if (!empty($subject->dn)) {
                $this->currentCert['tbsCertificate']['subject'] = $subject->dn;
            }
            if (!empty($subject->publicKey)) {
                $this->currentCert['tbsCertificate']['subjectPublicKeyInfo'] = $subjectPublicKey;
            }
            $this->removeExtension('id-ce-authorityKeyIdentifier');
            if (isset($subject->domains)) {
                $this->removeExtension('id-ce-subjectAltName');
            }
        } elseif (isset($subject->currentCert) && is_array($subject->currentCert) && isset($subject->currentCert['tbsCertList'])) {
            return false;
        } else {
            if (!isset($subject->publicKey)) {
                return false;
            }

            $startDate = new \DateTimeImmutable('now', new \DateTimeZone(@date_default_timezone_get()));
            $startDate = !empty($this->startDate) ? $this->startDate : $startDate->format('D, d M Y H:i:s O');

            $endDate = new \DateTimeImmutable('+1 year', new \DateTimeZone(@date_default_timezone_get()));
            $endDate = !empty($this->endDate) ? $this->endDate : $endDate->format('D, d M Y H:i:s O');

            /* "The serial number MUST be a positive integer"
               "Conforming CAs MUST NOT use serialNumber values longer than 20 octets."
                -- https://tools.ietf.org/html/rfc5280#section-4.1.2.2

               for the integer to be positive the leading bit needs to be 0 hence the
               application of a bitmap
            */
            $serialNumber = !empty($this->serialNumber) ?
                $this->serialNumber :
                new BigInteger(Random::string(20) & ("\x7F" . str_repeat("\xFF", 19)), 256);

            $this->currentCert = [
                'tbsCertificate' =>
                    [
                        'version' => 'v3',
                        'serialNumber' => $serialNumber, // $this->setSerialNumber()
                        'signature' => $signatureAlgorithm,
                        'issuer' => false, // this is going to be overwritten later
                        'validity' => [
                            'notBefore' => $this->timeField($startDate), // $this->setStartDate()
                            'notAfter' => $this->timeField($endDate)   // $this->setEndDate()
                        ],
                        'subject' => $subject->dn,
                        'subjectPublicKeyInfo' => $subjectPublicKey
                    ],
                    'signatureAlgorithm' => $signatureAlgorithm,
                    'signature'          => false // this is going to be overwritten later
            ];

            // Copy extensions from CSR.
            $csrexts = $subject->getAttribute('pkcs-9-at-extensionRequest', 0);

            if (!empty($csrexts)) {
                $this->currentCert['tbsCertificate']['extensions'] = $csrexts;
            }
        }

        $this->currentCert['tbsCertificate']['issuer'] = $issuer->dn;

        if (isset($issuer->currentKeyIdentifier)) {
            $this->setExtension('id-ce-authorityKeyIdentifier', [
                    //'authorityCertIssuer' => array(
                    //    array(
                    //        'directoryName' => $issuer->dn
                    //    )
                    //),
                    'keyIdentifier' => $issuer->currentKeyIdentifier
                ]);
            //$extensions = &$this->currentCert['tbsCertificate']['extensions'];
            //if (isset($issuer->serialNumber)) {
            //    $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber;
            //}
            //unset($extensions);
        }

        if (isset($subject->currentKeyIdentifier)) {
            $this->setExtension('id-ce-subjectKeyIdentifier', $subject->currentKeyIdentifier);
        }

        $altName = [];

        if (isset($subject->domains) && count($subject->domains)) {
            $altName = array_map(['\phpseclib3\File\X509', 'dnsName'], $subject->domains);
        }

        if (isset($subject->ipAddresses) && count($subject->ipAddresses)) {
            // should an IP address appear as the CN if no domain name is specified? idk
            //$ips = count($subject->domains) ? $subject->ipAddresses : array_slice($subject->ipAddresses, 1);
            $ipAddresses = [];
            foreach ($subject->ipAddresses as $ipAddress) {
                $encoded = $subject->ipAddress($ipAddress);
                if ($encoded !== false) {
                    $ipAddresses[] = $encoded;
                }
            }
            if (count($ipAddresses)) {
                $altName = array_merge($altName, $ipAddresses);
            }
        }

        if (!empty($altName)) {
            $this->setExtension('id-ce-subjectAltName', $altName);
        }

        if ($this->caFlag) {
            $keyUsage = $this->getExtension('id-ce-keyUsage');
            if (!$keyUsage) {
                $keyUsage = [];
            }

            $this->setExtension(
                'id-ce-keyUsage',
                array_values(array_unique(array_merge($keyUsage, ['cRLSign', 'keyCertSign'])))
            );

            $basicConstraints = $this->getExtension('id-ce-basicConstraints');
            if (!$basicConstraints) {
                $basicConstraints = [];
            }

            $this->setExtension(
                'id-ce-basicConstraints',
                array_merge(['cA' => true], $basicConstraints),
                true
            );

            if (!isset($subject->currentKeyIdentifier)) {
                $this->setExtension('id-ce-subjectKeyIdentifier', $this->computeKeyIdentifier($this->currentCert), false, false);
            }
        }

        // resync $this->signatureSubject
        // save $tbsCertificate in case there are any \phpseclib3\File\ASN1\Element objects in it
        $tbsCertificate = $this->currentCert['tbsCertificate'];
        $this->loadX509($this->saveX509($this->currentCert));

        $result = $this->currentCert;
        $this->currentCert['signature'] = $result['signature'] = "\0" . $issuer->privateKey->sign($this->signatureSubject);
        $result['tbsCertificate'] = $tbsCertificate;

        $this->currentCert = $currentCert;
        $this->signatureSubject = $signatureSubject;

        return $result;
    }

    /**
     * Sign a CSR
     *
     * @access public
     * @return mixed
     */
    public function signCSR()
    {
        if (!is_object($this->privateKey) || empty($this->dn)) {
            return false;
        }

        $origPublicKey = $this->publicKey;
        $this->publicKey = $this->privateKey->getPublicKey();
        $publicKey = $this->formatSubjectPublicKey();
        $this->publicKey = $origPublicKey;

        $currentCert = isset($this->currentCert) ? $this->currentCert : null;
        $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null;
        $signatureAlgorithm = self::identifySignatureAlgorithm($this->privateKey);

        if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['certificationRequestInfo'])) {
            $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
            if (!empty($this->dn)) {
                $this->currentCert['certificationRequestInfo']['subject'] = $this->dn;
            }
            $this->currentCert['certificationRequestInfo']['subjectPKInfo'] = $publicKey;
        } else {
            $this->currentCert = [
                'certificationRequestInfo' =>
                    [
                        'version' => 'v1',
                        'subject' => $this->dn,
                        'subjectPKInfo' => $publicKey
                    ],
                    'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm],
                    'signature'          => false // this is going to be overwritten later
            ];
        }

        // resync $this->signatureSubject
        // save $certificationRequestInfo in case there are any \phpseclib3\File\ASN1\Element objects in it
        $certificationRequestInfo = $this->currentCert['certificationRequestInfo'];
        $this->loadCSR($this->saveCSR($this->currentCert));

        $result = $this->currentCert;
        $this->currentCert['signature'] = $result['signature'] = "\0" . $this->privateKey->sign($this->signatureSubject);
        $result['certificationRequestInfo'] = $certificationRequestInfo;

        $this->currentCert = $currentCert;
        $this->signatureSubject = $signatureSubject;

        return $result;
    }

    /**
     * Sign a SPKAC
     *
     * @access public
     * @return mixed
     */
    public function signSPKAC()
    {
        if (!is_object($this->privateKey)) {
            return false;
        }

        $origPublicKey = $this->publicKey;
        $this->publicKey = $this->privateKey->getPublicKey();
        $publicKey = $this->formatSubjectPublicKey();
        $this->publicKey = $origPublicKey;

        $currentCert = isset($this->currentCert) ? $this->currentCert : null;
        $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null;
        $signatureAlgorithm = self::identifySignatureAlgorithm($this->privateKey);

        // re-signing a SPKAC seems silly but since everything else supports re-signing why not?
        if (isset($this->currentCert) && is_array($this->currentCert) && isset($this->currentCert['publicKeyAndChallenge'])) {
            $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
            $this->currentCert['publicKeyAndChallenge']['spki'] = $publicKey;
            if (!empty($this->challenge)) {
                // the bitwise AND ensures that the output is a valid IA5String
                $this->currentCert['publicKeyAndChallenge']['challenge'] = $this->challenge & str_repeat("\x7F", strlen($this->challenge));
            }
        } else {
            $this->currentCert = [
                'publicKeyAndChallenge' =>
                    [
                        'spki' => $publicKey,
                        // quoting <https://developer.mozilla.org/en-US/docs/Web/HTML/Element/keygen>,
                        // "A challenge string that is submitted along with the public key. Defaults to an empty string if not specified."
                        // both Firefox and OpenSSL ("openssl spkac -key private.key") behave this way
                        // we could alternatively do this instead if we ignored the specs:
                        // Random::string(8) & str_repeat("\x7F", 8)
                        'challenge' => !empty($this->challenge) ? $this->challenge : ''
                    ],
                    'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm],
                    'signature'          => false // this is going to be overwritten later
            ];
        }

        // resync $this->signatureSubject
        // save $publicKeyAndChallenge in case there are any \phpseclib3\File\ASN1\Element objects in it
        $publicKeyAndChallenge = $this->currentCert['publicKeyAndChallenge'];
        $this->loadSPKAC($this->saveSPKAC($this->currentCert));

        $result = $this->currentCert;
        $this->currentCert['signature'] = $result['signature'] = "\0" . $this->privateKey->sign($this->signatureSubject);
        $result['publicKeyAndChallenge'] = $publicKeyAndChallenge;

        $this->currentCert = $currentCert;
        $this->signatureSubject = $signatureSubject;

        return $result;
    }

    /**
     * Sign a CRL
     *
     * $issuer's private key needs to be loaded.
     *
     * @param \phpseclib3\File\X509 $issuer
     * @param \phpseclib3\File\X509 $crl
     * @access public
     * @return mixed
     */
    public function signCRL($issuer, $crl)
    {
        if (!is_object($issuer->privateKey) || empty($issuer->dn)) {
            return false;
        }

        $currentCert = isset($this->currentCert) ? $this->currentCert : null;
        $signatureSubject = isset($this->signatureSubject) ? $this->signatureSubject : null;
        $signatureAlgorithm = self::identifySignatureAlgorithm($issuer->privateKey);

        $thisUpdate = new \DateTimeImmutable('now', new \DateTimeZone(@date_default_timezone_get()));
        $thisUpdate = !empty($this->startDate) ? $this->startDate : $thisUpdate->format('D, d M Y H:i:s O');

        if (isset($crl->currentCert) && is_array($crl->currentCert) && isset($crl->currentCert['tbsCertList'])) {
            $this->currentCert = $crl->currentCert;
            $this->currentCert['tbsCertList']['signature']['algorithm'] = $signatureAlgorithm;
            $this->currentCert['signatureAlgorithm']['algorithm'] = $signatureAlgorithm;
        } else {
            $this->currentCert = [
                'tbsCertList' =>
                    [
                        'version' => 'v2',
                        'signature' => ['algorithm' => $signatureAlgorithm],
                        'issuer' => false, // this is going to be overwritten later
                        'thisUpdate' => $this->timeField($thisUpdate) // $this->setStartDate()
                    ],
                    'signatureAlgorithm' => ['algorithm' => $signatureAlgorithm],
                    'signature'          => false // this is going to be overwritten later
            ];
        }

        $tbsCertList = &$this->currentCert['tbsCertList'];
        $tbsCertList['issuer'] = $issuer->dn;
        $tbsCertList['thisUpdate'] = $this->timeField($thisUpdate);

        if (!empty($this->endDate)) {
            $tbsCertList['nextUpdate'] = $this->timeField($this->endDate); // $this->setEndDate()
        } else {
            unset($tbsCertList['nextUpdate']);
        }

        if (!empty($this->serialNumber)) {
            $crlNumber = $this->serialNumber;
        } else {
            $crlNumber = $this->getExtension('id-ce-cRLNumber');
            // "The CRL number is a non-critical CRL extension that conveys a
            //  monotonically increasing sequence number for a given CRL scope and
            //  CRL issuer.  This extension allows users to easily determine when a
            //  particular CRL supersedes another CRL."
            // -- https://tools.ietf.org/html/rfc5280#section-5.2.3
            $crlNumber = $crlNumber !== false ? $crlNumber->add(new BigInteger(1)) : null;
        }

        $this->removeExtension('id-ce-authorityKeyIdentifier');
        $this->removeExtension('id-ce-issuerAltName');

        // Be sure version >= v2 if some extension found.
        $version = isset($tbsCertList['version']) ? $tbsCertList['version'] : 0;
        if (!$version) {
            if (!empty($tbsCertList['crlExtensions'])) {
                $version = 1; // v2.
            } elseif (!empty($tbsCertList['revokedCertificates'])) {
                foreach ($tbsCertList['revokedCertificates'] as $cert) {
                    if (!empty($cert['crlEntryExtensions'])) {
                        $version = 1; // v2.
                    }
                }
            }

            if ($version) {
                $tbsCertList['version'] = $version;
            }
        }

        // Store additional extensions.
        if (!empty($tbsCertList['version'])) { // At least v2.
            if (!empty($crlNumber)) {
                $this->setExtension('id-ce-cRLNumber', $crlNumber);
            }

            if (isset($issuer->currentKeyIdentifier)) {
                $this->setExtension('id-ce-authorityKeyIdentifier', [
                        //'authorityCertIssuer' => array(
                        //    ]
                        //        'directoryName' => $issuer->dn
                        //    ]
                        //),
                        'keyIdentifier' => $issuer->currentKeyIdentifier
                    ]);
                //$extensions = &$tbsCertList['crlExtensions'];
                //if (isset($issuer->serialNumber)) {
                //    $extensions[count($extensions) - 1]['authorityCertSerialNumber'] = $issuer->serialNumber;
                //}
                //unset($extensions);
            }

            $issuerAltName = $this->getExtension('id-ce-subjectAltName', $issuer->currentCert);

            if ($issuerAltName !== false) {
                $this->setExtension('id-ce-issuerAltName', $issuerAltName);
            }
        }

        if (empty($tbsCertList['revokedCertificates'])) {
            unset($tbsCertList['revokedCertificates']);
        }

        unset($tbsCertList);

        // resync $this->signatureSubject
        // save $tbsCertList in case there are any \phpseclib3\File\ASN1\Element objects in it
        $tbsCertList = $this->currentCert['tbsCertList'];
        $this->loadCRL($this->saveCRL($this->currentCert));

        $result = $this->currentCert;
        $this->currentCert['signature'] = $result['signature'] = "\0" . $issuer->privateKey->sign($this->signatureSubject);
        $result['tbsCertList'] = $tbsCertList;

        $this->currentCert = $currentCert;
        $this->signatureSubject = $signatureSubject;

        return $result;
    }

    /**
     * Identify signature algorithm from key settings
     *
     * @param PrivateKey $key
     * @access private
     * @throws \phpseclib3\Exception\UnsupportedAlgorithmException if the algorithm is unsupported
     * @return string
     */
    private static function identifySignatureAlgorithm(PrivateKey $key)
    {
        if ($key instanceof RSA) {
            if ($key->getPadding() & RSA::SIGNATURE_PSS) {
                return 'id-RSASSA-PSS';
            }
            switch ($key->getHash()) {
                case 'md2':
                case 'md5':
                case 'sha1':
                case 'sha224':
                case 'sha256':
                case 'sha384':
                case 'sha512':
                    return $key->getHash() . 'WithRSAEncryption';
            }
            throw new UnsupportedAlgorithmException('The only supported hash algorithms for RSA are: md2, md5, sha1, sha224, sha256, sha384, sha512');
        }

        if ($key instanceof DSA) {
            switch ($key->getHash()) {
                case 'sha1':
                case 'sha224':
                case 'sha256':
                    return 'id-dsa-with-' . $key->getHash();
            }
            throw new UnsupportedAlgorithmException('The only supported hash algorithms for DSA are: sha1, sha224, sha256');
        }

        if ($key instanceof EC) {
            switch ($key->getCurve()) {
                case 'Ed25519':
                case 'Ed448':
                    return 'id-' . $key->getCurve();
            }
            switch ($key->getHash()) {
                case 'sha1':
                case 'sha224':
                case 'sha256':
                case 'sha384':
                case 'sha512':
                    return 'ecdsa-with-' . strtoupper($key->getHash());
            }
            throw new UnsupportedAlgorithmException('The only supported hash algorithms for EC are: sha1, sha224, sha256, sha384, sha512');
        }

        throw new UnsupportedAlgorithmException('The only supported public key classes are: RSA, DSA, EC');
    }

    /**
     * Set certificate start date
     *
     * @param \DateTimeInterface|string $date
     * @access public
     */
    public function setStartDate($date)
    {
        if (!is_object($date) || !($date instanceof \DateTimeInterface)) {
            $date = new \DateTimeImmutable($date, new \DateTimeZone(@date_default_timezone_get()));
        }

        $this->startDate = $date->format('D, d M Y H:i:s O');
    }

    /**
     * Set certificate end date
     *
     * @param \DateTimeInterface|string $date
     * @access public
     */
    public function setEndDate($date)
    {
        /*
          To indicate that a certificate has no well-defined expiration date,
          the notAfter SHOULD be assigned the GeneralizedTime value of
          99991231235959Z.

          -- http://tools.ietf.org/html/rfc5280#section-4.1.2.5
        */
        if (is_string($date) && strtolower($date) === 'lifetime') {
            $temp = '99991231235959Z';
            $temp = chr(ASN1::TYPE_GENERALIZED_TIME) . ASN1::encodeLength(strlen($temp)) . $temp;
            $this->endDate = new Element($temp);
        } else {
            if (!is_object($date) || !($date instanceof \DateTimeInterface)) {
                $date = new \DateTimeImmutable($date, new \DateTimeZone(@date_default_timezone_get()));
            }

            $this->endDate = $date->format('D, d M Y H:i:s O');
        }
    }

    /**
     * Set Serial Number
     *
     * @param string $serial
     * @param int $base optional
     * @access public
     */
    public function setSerialNumber($serial, $base = -256)
    {
        $this->serialNumber = new BigInteger($serial, $base);
    }

    /**
     * Turns the certificate into a certificate authority
     *
     * @access public
     */
    public function makeCA()
    {
        $this->caFlag = true;
    }

    /**
     * Check for validity of subarray
     *
     * This is intended for use in conjunction with _subArrayUnchecked(),
     * implementing the checks included in _subArray() but without copying
     * a potentially large array by passing its reference by-value to is_array().
     *
     * @param array $root
     * @param string $path
     * @return boolean
     * @access private
     */
    private function isSubArrayValid($root, $path)
    {
        if (!is_array($root)) {
            return false;
        }

        foreach (explode('/', $path) as $i) {
            if (!is_array($root)) {
                return false;
            }

            if (!isset($root[$i])) {
                return true;
            }

            $root = $root[$i];
        }

        return true;
    }

    /**
     * Get a reference to a subarray
     *
     * This variant of _subArray() does no is_array() checking,
     * so $root should be checked with _isSubArrayValid() first.
     *
     * This is here for performance reasons:
     * Passing a reference (i.e. $root) by-value (i.e. to is_array())
     * creates a copy. If $root is an especially large array, this is expensive.
     *
     * @param array $root
     * @param string $path  absolute path with / as component separator
     * @param bool $create optional
     * @access private
     * @return array|false
     */
    private function &subArrayUnchecked(&$root, $path, $create = false)
    {
        $false = false;

        foreach (explode('/', $path) as $i) {
            if (!isset($root[$i])) {
                if (!$create) {
                    return $false;
                }

                $root[$i] = [];
            }

            $root = &$root[$i];
        }

        return $root;
    }

    /**
     * Get a reference to a subarray
     *
     * @param array $root
     * @param string $path  absolute path with / as component separator
     * @param bool $create optional
     * @access private
     * @return array|false
     */
    private function &subArray(&$root, $path, $create = false)
    {
        $false = false;

        if (!is_array($root)) {
            return $false;
        }

        foreach (explode('/', $path) as $i) {
            if (!is_array($root)) {
                return $false;
            }

            if (!isset($root[$i])) {
                if (!$create) {
                    return $false;
                }

                $root[$i] = [];
            }

            $root = &$root[$i];
        }

        return $root;
    }

    /**
     * Get a reference to an extension subarray
     *
     * @param array $root
     * @param string $path optional absolute path with / as component separator
     * @param bool $create optional
     * @access private
     * @return array|false
     */
    private function &extensions(&$root, $path = null, $create = false)
    {
        if (!isset($root)) {
            $root = $this->currentCert;
        }

        switch (true) {
            case !empty($path):
            case !is_array($root):
                break;
            case isset($root['tbsCertificate']):
                $path = 'tbsCertificate/extensions';
                break;
            case isset($root['tbsCertList']):
                $path = 'tbsCertList/crlExtensions';
                break;
            case isset($root['certificationRequestInfo']):
                $pth = 'certificationRequestInfo/attributes';
                $attributes = &$this->subArray($root, $pth, $create);

                if (is_array($attributes)) {
                    foreach ($attributes as $key => $value) {
                        if ($value['type'] == 'pkcs-9-at-extensionRequest') {
                            $path = "$pth/$key/value/0";
                            break 2;
                        }
                    }
                    if ($create) {
                        $key = count($attributes);
                        $attributes[] = ['type' => 'pkcs-9-at-extensionRequest', 'value' => []];
                        $path = "$pth/$key/value/0";
                    }
                }
                break;
        }

        $extensions = &$this->subArray($root, $path, $create);

        if (!is_array($extensions)) {
            $false = false;
            return $false;
        }

        return $extensions;
    }

    /**
     * Remove an Extension
     *
     * @param string $id
     * @param string $path optional
     * @access private
     * @return bool
     */
    private function removeExtensionHelper($id, $path = null)
    {
        $extensions = &$this->extensions($this->currentCert, $path);

        if (!is_array($extensions)) {
            return false;
        }

        $result = false;
        foreach ($extensions as $key => $value) {
            if ($value['extnId'] == $id) {
                unset($extensions[$key]);
                $result = true;
            }
        }

        $extensions = array_values($extensions);
        // fix for https://bugs.php.net/75433 affecting PHP 7.2
        if (!isset($extensions[0])) {
            $extensions = array_splice($extensions, 0, 0);
        }
        return $result;
    }

    /**
     * Get an Extension
     *
     * Returns the extension if it exists and false if not
     *
     * @param string $id
     * @param array $cert optional
     * @param string $path optional
     * @access private
     * @return mixed
     */
    private function getExtensionHelper($id, $cert = null, $path = null)
    {
        $extensions = $this->extensions($cert, $path);

        if (!is_array($extensions)) {
            return false;
        }

        foreach ($extensions as $key => $value) {
            if ($value['extnId'] == $id) {
                return $value['extnValue'];
            }
        }

        return false;
    }

    /**
     * Returns a list of all extensions in use
     *
     * @param array $cert optional
     * @param string $path optional
     * @access private
     * @return array
     */
    private function getExtensionsHelper($cert = null, $path = null)
    {
        $exts = $this->extensions($cert, $path);
        $extensions = [];

        if (is_array($exts)) {
            foreach ($exts as $extension) {
                $extensions[] = $extension['extnId'];
            }
        }

        return $extensions;
    }

    /**
     * Set an Extension
     *
     * @param string $id
     * @param mixed $value
     * @param bool $critical optional
     * @param bool $replace optional
     * @param string $path optional
     * @access private
     * @return bool
     */
    private function setExtensionHelper($id, $value, $critical = false, $replace = true, $path = null)
    {
        $extensions = &$this->extensions($this->currentCert, $path, true);

        if (!is_array($extensions)) {
            return false;
        }

        $newext = ['extnId'  => $id, 'critical' => $critical, 'extnValue' => $value];

        foreach ($extensions as $key => $value) {
            if ($value['extnId'] == $id) {
                if (!$replace) {
                    return false;
                }

                $extensions[$key] = $newext;
                return true;
            }
        }

        $extensions[] = $newext;
        return true;
    }

    /**
     * Remove a certificate, CSR or CRL Extension
     *
     * @param string $id
     * @access public
     * @return bool
     */
    public function removeExtension($id)
    {
        return $this->removeExtensionHelper($id);
    }

    /**
     * Get a certificate, CSR or CRL Extension
     *
     * Returns the extension if it exists and false if not
     *
     * @param string $id
     * @param array $cert optional
     * @param string $path
     * @access public
     * @return mixed
     */
    public function getExtension($id, $cert = null, $path = null)
    {
        return $this->getExtensionHelper($id, $cert, $path);
    }

    /**
     * Returns a list of all extensions in use in certificate, CSR or CRL
     *
     * @param array $cert optional
     * @param string $path optional
     * @access public
     * @return array
     */
    public function getExtensions($cert = null, $path = null)
    {
        return $this->getExtensionsHelper($cert, $path);
    }

    /**
     * Set a certificate, CSR or CRL Extension
     *
     * @param string $id
     * @param mixed $value
     * @param bool $critical optional
     * @param bool $replace optional
     * @access public
     * @return bool
     */
    public function setExtension($id, $value, $critical = false, $replace = true)
    {
        return $this->setExtensionHelper($id, $value, $critical, $replace);
    }

    /**
     * Remove a CSR attribute.
     *
     * @param string $id
     * @param int $disposition optional
     * @access public
     * @return bool
     */
    public function removeAttribute($id, $disposition = self::ATTR_ALL)
    {
        $attributes = &$this->subArray($this->currentCert, 'certificationRequestInfo/attributes');

        if (!is_array($attributes)) {
            return false;
        }

        $result = false;
        foreach ($attributes as $key => $attribute) {
            if ($attribute['type'] == $id) {
                $n = count($attribute['value']);
                switch (true) {
                    case $disposition == self::ATTR_APPEND:
                    case $disposition == self::ATTR_REPLACE:
                        return false;
                    case $disposition >= $n:
                        $disposition -= $n;
                        break;
                    case $disposition == self::ATTR_ALL:
                    case $n == 1:
                        unset($attributes[$key]);
                        $result = true;
                        break;
                    default:
                        unset($attributes[$key]['value'][$disposition]);
                        $attributes[$key]['value'] = array_values($attributes[$key]['value']);
                        $result = true;
                        break;
                }
                if ($result && $disposition != self::ATTR_ALL) {
                    break;
                }
            }
        }

        $attributes = array_values($attributes);
        return $result;
    }

    /**
     * Get a CSR attribute
     *
     * Returns the attribute if it exists and false if not
     *
     * @param string $id
     * @param int $disposition optional
     * @param array $csr optional
     * @access public
     * @return mixed
     */
    public function getAttribute($id, $disposition = self::ATTR_ALL, $csr = null)
    {
        if (empty($csr)) {
            $csr = $this->currentCert;
        }

        $attributes = $this->subArray($csr, 'certificationRequestInfo/attributes');

        if (!is_array($attributes)) {
            return false;
        }

        foreach ($attributes as $key => $attribute) {
            if ($attribute['type'] == $id) {
                $n = count($attribute['value']);
                switch (true) {
                    case $disposition == self::ATTR_APPEND:
                    case $disposition == self::ATTR_REPLACE:
                        return false;
                    case $disposition == self::ATTR_ALL:
                        return $attribute['value'];
                    case $disposition >= $n:
                        $disposition -= $n;
                        break;
                    default:
                        return $attribute['value'][$disposition];
                }
            }
        }

        return false;
    }

    /**
     * Returns a list of all CSR attributes in use
     *
     * @param array $csr optional
     * @access public
     * @return array
     */
    public function getAttributes($csr = null)
    {
        if (empty($csr)) {
            $csr = $this->currentCert;
        }

        $attributes = $this->subArray($csr, 'certificationRequestInfo/attributes');
        $attrs = [];

        if (is_array($attributes)) {
            foreach ($attributes as $attribute) {
                $attrs[] = $attribute['type'];
            }
        }

        return $attrs;
    }

    /**
     * Set a CSR attribute
     *
     * @param string $id
     * @param mixed $value
     * @param int $disposition optional
     * @access public
     * @return bool
     */
    public function setAttribute($id, $value, $disposition = self::ATTR_ALL)
    {
        $attributes = &$this->subArray($this->currentCert, 'certificationRequestInfo/attributes', true);

        if (!is_array($attributes)) {
            return false;
        }

        switch ($disposition) {
            case self::ATTR_REPLACE:
                $disposition = self::ATTR_APPEND;
                // fall-through
            case self::ATTR_ALL:
                $this->removeAttribute($id);
                break;
        }

        foreach ($attributes as $key => $attribute) {
            if ($attribute['type'] == $id) {
                $n = count($attribute['value']);
                switch (true) {
                    case $disposition == self::ATTR_APPEND:
                        $last = $key;
                        break;
                    case $disposition >= $n:
                        $disposition -= $n;
                        break;
                    default:
                        $attributes[$key]['value'][$disposition] = $value;
                        return true;
                }
            }
        }

        switch (true) {
            case $disposition >= 0:
                return false;
            case isset($last):
                $attributes[$last]['value'][] = $value;
                break;
            default:
                $attributes[] = ['type' => $id, 'value' => $disposition == self::ATTR_ALL ? $value : [$value]];
                break;
        }

        return true;
    }

    /**
     * Sets the subject key identifier
     *
     * This is used by the id-ce-authorityKeyIdentifier and the id-ce-subjectKeyIdentifier extensions.
     *
     * @param string $value
     * @access public
     */
    public function setKeyIdentifier($value)
    {
        if (empty($value)) {
            unset($this->currentKeyIdentifier);
        } else {
            $this->currentKeyIdentifier = $value;
        }
    }

    /**
     * Compute a public key identifier.
     *
     * Although key identifiers may be set to any unique value, this function
     * computes key identifiers from public key according to the two
     * recommended methods (4.2.1.2 RFC 3280).
     * Highly polymorphic: try to accept all possible forms of key:
     * - Key object
     * - \phpseclib3\File\X509 object with public or private key defined
     * - Certificate or CSR array
     * - \phpseclib3\File\ASN1\Element object
     * - PEM or DER string
     *
     * @param mixed $key optional
     * @param int $method optional
     * @access public
     * @return string binary key identifier
     */
    public function computeKeyIdentifier($key = null, $method = 1)
    {
        if (is_null($key)) {
            $key = $this;
        }

        switch (true) {
            case is_string($key):
                break;
            case is_array($key) && isset($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']):
                return $this->computeKeyIdentifier($key['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'], $method);
            case is_array($key) && isset($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey']):
                return $this->computeKeyIdentifier($key['certificationRequestInfo']['subjectPKInfo']['subjectPublicKey'], $method);
            case !is_object($key):
                return false;
            case $key instanceof Element:
                // Assume the element is a bitstring-packed key.
                $decoded = ASN1::decodeBER($key->element);
                if (empty($decoded)) {
                    return false;
                }
                $raw = ASN1::asn1map($decoded[0], ['type' => ASN1::TYPE_BIT_STRING]);
                if (empty($raw)) {
                    return false;
                }
                // If the key is private, compute identifier from its corresponding public key.
                $key = PublicKeyLoader::load($raw);
                if ($key instanceof PrivateKey) {  // If private.
                    return $this->computeKeyIdentifier($key, $method);
                }
                $key = $raw; // Is a public key.
                break;
            case $key instanceof X509:
                if (isset($key->publicKey)) {
                    return $this->computeKeyIdentifier($key->publicKey, $method);
                }
                if (isset($key->privateKey)) {
                    return $this->computeKeyIdentifier($key->privateKey, $method);
                }
                if (isset($key->currentCert['tbsCertificate']) || isset($key->currentCert['certificationRequestInfo'])) {
                    return $this->computeKeyIdentifier($key->currentCert, $method);
                }
                return false;
            default: // Should be a key object (i.e.: \phpseclib3\Crypt\RSA).
                $key = $key->getPublicKey();
                break;
        }

        // If in PEM format, convert to binary.
        $key = ASN1::extractBER($key);

        // Now we have the key string: compute its sha-1 sum.
        $hash = new Hash('sha1');
        $hash = $hash->hash($key);

        if ($method == 2) {
            $hash = substr($hash, -8);
            $hash[0] = chr((ord($hash[0]) & 0x0F) | 0x40);
        }

        return $hash;
    }

    /**
     * Format a public key as appropriate
     *
     * @access private
     * @return array|false
     */
    private function formatSubjectPublicKey()
    {
        $format = $this->publicKey instanceof RSA && ($this->publicKey->getPadding() & RSA::SIGNATURE_PSS) ?
            'PSS' :
            'PKCS8';

        $publicKey = base64_decode(preg_replace('#-.+-|[\r\n]#', '', $this->publicKey->toString($format)));

        $decoded = ASN1::decodeBER($publicKey);
        $mapped = ASN1::asn1map($decoded[0], Maps\SubjectPublicKeyInfo::MAP);
        if (!is_array($mapped)) {
            return false;
        }

        $mapped['subjectPublicKey'] = $this->publicKey->toString($format);

        return $mapped;
    }

    /**
     * Set the domain name's which the cert is to be valid for
     *
     * @param mixed ...$domains
     * @access public
     * @return void
     */
    public function setDomain(...$domains)
    {
        $this->domains = $domains;
        $this->removeDNProp('id-at-commonName');
        $this->setDNProp('id-at-commonName', $this->domains[0]);
    }

    /**
     * Set the IP Addresses's which the cert is to be valid for
     *
     * @access public
     * @param mixed[] ...$ipAddresses
     */
    public function setIPAddress(...$ipAddresses)
    {
        $this->ipAddresses = $ipAddresses;
        /*
        if (!isset($this->domains)) {
            $this->removeDNProp('id-at-commonName');
            $this->setDNProp('id-at-commonName', $this->ipAddresses[0]);
        }
        */
    }

    /**
     * Helper function to build domain array
     *
     * @access private
     * @param string $domain
     * @return array
     */
    private function dnsName($domain)
    {
        return ['dNSName' => $domain];
    }

    /**
     * Helper function to build IP Address array
     *
     * (IPv6 is not currently supported)
     *
     * @access private
     * @param string $address
     * @return array
     */
    private function iPAddress($address)
    {
        return ['iPAddress' => $address];
    }

    /**
     * Get the index of a revoked certificate.
     *
     * @param array $rclist
     * @param string $serial
     * @param bool $create optional
     * @access private
     * @return int|false
     */
    private function revokedCertificate(&$rclist, $serial, $create = false)
    {
        $serial = new BigInteger($serial);

        foreach ($rclist as $i => $rc) {
            if (!($serial->compare($rc['userCertificate']))) {
                return $i;
            }
        }

        if (!$create) {
            return false;
        }

        $i = count($rclist);
        $revocationDate = new \DateTimeImmutable('now', new \DateTimeZone(@date_default_timezone_get()));
        $rclist[] = ['userCertificate' => $serial,
                          'revocationDate'  => $this->timeField($revocationDate->format('D, d M Y H:i:s O'))];
        return $i;
    }

    /**
     * Revoke a certificate.
     *
     * @param string $serial
     * @param string $date optional
     * @access public
     * @return bool
     */
    public function revoke($serial, $date = null)
    {
        if (isset($this->currentCert['tbsCertList'])) {
            if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) {
                if ($this->revokedCertificate($rclist, $serial) === false) { // If not yet revoked
                    if (($i = $this->revokedCertificate($rclist, $serial, true)) !== false) {
                        if (!empty($date)) {
                            $rclist[$i]['revocationDate'] = $this->timeField($date);
                        }

                        return true;
                    }
                }
            }
        }

        return false;
    }

    /**
     * Unrevoke a certificate.
     *
     * @param string $serial
     * @access public
     * @return bool
     */
    public function unrevoke($serial)
    {
        if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
            if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
                unset($rclist[$i]);
                $rclist = array_values($rclist);
                return true;
            }
        }

        return false;
    }

    /**
     * Get a revoked certificate.
     *
     * @param string $serial
     * @access public
     * @return mixed
     */
    public function getRevoked($serial)
    {
        if (is_array($rclist = $this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
            if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
                return $rclist[$i];
            }
        }

        return false;
    }

    /**
     * List revoked certificates
     *
     * @param array $crl optional
     * @access public
     * @return array|bool
     */
    public function listRevoked($crl = null)
    {
        if (!isset($crl)) {
            $crl = $this->currentCert;
        }

        if (!isset($crl['tbsCertList'])) {
            return false;
        }

        $result = [];

        if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) {
            foreach ($rclist as $rc) {
                $result[] = $rc['userCertificate']->toString();
            }
        }

        return $result;
    }

    /**
     * Remove a Revoked Certificate Extension
     *
     * @param string $serial
     * @param string $id
     * @access public
     * @return bool
     */
    public function removeRevokedCertificateExtension($serial, $id)
    {
        if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates'))) {
            if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
                return $this->removeExtensionHelper($id, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
            }
        }

        return false;
    }

    /**
     * Get a Revoked Certificate Extension
     *
     * Returns the extension if it exists and false if not
     *
     * @param string $serial
     * @param string $id
     * @param array $crl optional
     * @access public
     * @return mixed
     */
    public function getRevokedCertificateExtension($serial, $id, $crl = null)
    {
        if (!isset($crl)) {
            $crl = $this->currentCert;
        }

        if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) {
            if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
                return $this->getExtension($id, $crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
            }
        }

        return false;
    }

    /**
     * Returns a list of all extensions in use for a given revoked certificate
     *
     * @param string $serial
     * @param array $crl optional
     * @access public
     * @return array|bool
     */
    public function getRevokedCertificateExtensions($serial, $crl = null)
    {
        if (!isset($crl)) {
            $crl = $this->currentCert;
        }

        if (is_array($rclist = $this->subArray($crl, 'tbsCertList/revokedCertificates'))) {
            if (($i = $this->revokedCertificate($rclist, $serial)) !== false) {
                return $this->getExtensions($crl, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
            }
        }

        return false;
    }

    /**
     * Set a Revoked Certificate Extension
     *
     * @param string $serial
     * @param string $id
     * @param mixed $value
     * @param bool $critical optional
     * @param bool $replace optional
     * @access public
     * @return bool
     */
    public function setRevokedCertificateExtension($serial, $id, $value, $critical = false, $replace = true)
    {
        if (isset($this->currentCert['tbsCertList'])) {
            if (is_array($rclist = &$this->subArray($this->currentCert, 'tbsCertList/revokedCertificates', true))) {
                if (($i = $this->revokedCertificate($rclist, $serial, true)) !== false) {
                    return $this->setExtensionHelper($id, $value, $critical, $replace, "tbsCertList/revokedCertificates/$i/crlEntryExtensions");
                }
            }
        }

        return false;
    }

    /**
     * Register the mapping for a custom/unsupported extension.
     *
     * @param string $id
     * @param array $mapping
     */
    public static function registerExtension($id, array $mapping)
    {
        if (isset(self::$extensions[$id]) && self::$extensions[$id] !== $mapping) {
            throw new \RuntimeException(
                'Extension ' . $id . ' has already been defined with a different mapping.'
            );
        }

        self::$extensions[$id] = $mapping;
    }

    /**
     * Register the mapping for a custom/unsupported extension.
     *
     * @param string $id
     *
     * @return array|null
     */
    public static function getRegisteredExtension($id)
    {
        return isset(self::$extensions[$id]) ? self::$extensions[$id] : null;
    }

    /**
     * Register the mapping for a custom/unsupported extension.
     *
     * @param string $id
     * @param mixed $value
     * @param bool $critical
     * @param bool $replace
     */
    public function setExtensionValue($id, $value, $critical = false, $replace = false)
    {
        $this->extensionValues[$id] = compact('critical', 'replace', 'value');
    }
}
PK     ÈˆU]¯�yFÁ  Á  :  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Element.phpnu „[µü¤        <?php

/**
 * ASN.1 Raw Element
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2012 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1;

/**
 * ASN.1 Raw Element
 *
 * An ASN.1 ANY mapping will return an ASN1\Element object. Use of this object
 * will also bypass the normal encoding rules in ASN1::encodeDER()
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Element
{
    /**
     * Raw element value
     *
     * @var string
     * @access private
     */
    public $element;

    /**
     * Constructor
     *
     * @param string $encoded
     * @return \phpseclib3\File\ASN1\Element
     * @access public
     */
    public function __construct($encoded)
    {
        $this->element = $encoded;
    }
}
PK     ÈˆU]õ“q!˜  ˜  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralSubtrees.phpnu „[µü¤        <?php

/**
 * GeneralSubtrees
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * GeneralSubtrees
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class GeneralSubtrees
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => GeneralSubtree::MAP
    ];
}
PK     ÈˆU]&äéX  X  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyMappings.phpnu „[µü¤        <?php

/**
 * PolicyMappings
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PolicyMappings
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PolicyMappings
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => [
            'type' => ASN1::TYPE_SEQUENCE,
            'children' => [
                'issuerDomainPolicy' => CertPolicyId::MAP,
                'subjectDomainPolicy' => CertPolicyId::MAP
            ]
        ]
    ];
}
PK     ÈˆU]˜ae[|  |  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EDIPartyName.phpnu „[µü¤        <?php

/**
 * EDIPartyName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * EDIPartyName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EDIPartyName
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'nameAssigner' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + DirectoryString::MAP,
            // partyName is technically required but \phpseclib3\File\ASN1 doesn't currently support non-optional constants and
            // setting it to optional gets the job done in any event.
            'partyName' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + DirectoryString::MAP
        ]
    ];
}
PK     ÈˆU]~ÐÔr  r  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DistributionPoint.phpnu „[µü¤        <?php

/**
 * DistributionPoint
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DistributionPoint
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DistributionPoint
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'distributionPoint' => [
                'constant' => 0,
                'optional' => true,
                'explicit' => true
            ] + DistributionPointName::MAP,
            'reasons' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + ReasonFlags::MAP,
            'cRLIssuer' => [
                'constant' => 2,
                'optional' => true,
                'implicit' => true
            ] + GeneralNames::MAP
        ]
    ];
}
PK     ÉˆU]ô0C¬+  +  B  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKey.phpnu „[µü¤        <?php

/**
 * PrivateKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PrivateKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PrivateKey
{
    const MAP = ['type' => ASN1::TYPE_OCTET_STRING];
}
PK     ÊˆU]
Äå”  ”  J  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_cert_type.phpnu „[µü¤        <?php

/**
 * netscape_cert_type
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * netscape_cert_type
 *
 * mapping is from <http://www.mozilla.org/projects/security/pki/nss/tech-notes/tn3.html>
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class netscape_cert_type
{
    const MAP = [
        'type' => ASN1::TYPE_BIT_STRING,
        'mapping' => [
            'SSLClient',
            'SSLServer',
            'Email',
            'ObjectSigning',
            'Reserved',
            'SSLCA',
            'EmailCA',
            'ObjectSigningCA'
        ]
    ];
}
PK     ËˆU]û$’âˆ  ˆ  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BasicConstraints.phpnu „[µü¤        <?php

/**
 * BasicConstraints
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * BasicConstraints
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BasicConstraints
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'cA' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'optional' => true,
                'default' => false
            ],
            'pathLenConstraint' => [
                'type' => ASN1::TYPE_INTEGER,
                'optional' => true
            ]
        ]
    ];
}
PK     ÌˆU]W�hP;  ;  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Attribute.phpnu „[µü¤        <?php

/**
 * Attribute
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Attribute
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Attribute
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'type' => AttributeType::MAP,
            'value' => [
                'type' => ASN1::TYPE_SET,
                'min' => 1,
                'max' => -1,
                'children' => AttributeValue::MAP
            ]
        ]
    ];
}
PK     ÍˆU]Z<ŠÈr  r  <  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Name.phpnu „[µü¤        <?php

/**
 * Name
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Name
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Name
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'rdnSequence' => RDNSequence::MAP
        ]
    ];
}
PK     ÍˆU]5¿t�—  —  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyInformation.phpnu „[µü¤        <?php

/**
 * PolicyInformation
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PolicyInformation
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PolicyInformation
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'policyIdentifier' => CertPolicyId::MAP,
            'policyQualifiers' => [
                'type' => ASN1::TYPE_SEQUENCE,
                'min' => 0,
                'max' => -1,
                'optional' => true,
                'children' => PolicyQualifierInfo::MAP
            ]
        ]
    ];
}
PK     ÎˆU]X-W0W  W  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AnotherName.phpnu „[µü¤        <?php

/**
 * AnotherName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AnotherName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AnotherName
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'type-id' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'value' => [
                'type' => ASN1::TYPE_ANY,
                'constant' => 0,
                'optional' => true,
                'explicit' => true
            ]
        ]
    ];
}
PK     ÏˆU]Õ4  4  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EncryptedData.phpnu „[µü¤        <?php

/**
 * EncryptedData
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * EncryptedData
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EncryptedData
{
    const MAP = ['type' => ASN1::TYPE_OCTET_STRING];
}
PK     ÐˆU]Jôø3Ë  Ë  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NameConstraints.phpnu „[µü¤        <?php

/**
 * NameConstraints
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * NameConstraints
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class NameConstraints
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'permittedSubtrees' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + GeneralSubtrees::MAP,
            'excludedSubtrees' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + GeneralSubtrees::MAP
        ]
    ];
}
PK     ÑˆU]Únõ%  %  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectAltName.phpnu „[µü¤        <?php

/**
 * SubjectAltName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SubjectAltName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SubjectAltName
{
    const MAP = GeneralNames::MAP;
}
PK     ÓˆU]o{E1¾  ¾  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECParameters.phpnu „[µü¤        <?php

/**
 * ECParameters
 *
 * From: https://tools.ietf.org/html/rfc5915
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ECParameters
 *
 *  ECParameters ::= CHOICE {
 *    namedCurve         OBJECT IDENTIFIER
 *    -- implicitCurve   NULL
 *    -- specifiedCurve  SpecifiedECDomain
 *  }
 *    -- implicitCurve and specifiedCurve MUST NOT be used in PKIX.
 *    -- Details for SpecifiedECDomain can be found in [X9.62].
 *    -- Any future additions to this CHOICE should be coordinated
 *    -- with ANSI X9.
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ECParameters
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'namedCurve' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'implicitCurve' => ['type' => ASN1::TYPE_NULL],
            'specifiedCurve' => SpecifiedECDomain::MAP
        ]
    ];
}
PK     ÔˆU]úï=²    ?  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/FieldID.phpnu „[µü¤        <?php

/**
 * FieldID
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * FieldID
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class FieldID
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'fieldType' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'parameters' => [
                'type' => ASN1::TYPE_ANY,
                'optional' => true
            ]
        ]
    ];
}
PK     ÔˆU]ðJ¢     C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBES2params.phpnu „[µü¤        <?php

/**
 * PBES2params
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PBES2params
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PBES2params
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'keyDerivationFunc' => AlgorithmIdentifier::MAP,
            'encryptionScheme' => AlgorithmIdentifier::MAP
        ]
    ];
}
PK     ÕˆU]Õ_n    Q  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RelativeDistinguishedName.phpnu „[µü¤        <?php

/**
 * RelativeDistinguishedName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RelativeDistinguishedName
 *
 * In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare,
 * but they can be useful at times when either there is no unique attribute in the entry or you
 * want to ensure that the entry's DN contains some useful identifying information.
 *
 * - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RelativeDistinguishedName
{
    const MAP = [
        'type' => ASN1::TYPE_SET,
        'min' => 1,
        'max' => -1,
        'children' => AttributeTypeAndValue::MAP
    ];
}
PK     ÖˆU]žðÏä  ä  K  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyQualifierInfo.phpnu „[µü¤        <?php

/**
 * PolicyQualifierInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PolicyQualifierInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PolicyQualifierInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'policyQualifierId' => PolicyQualifierId::MAP,
            'qualifier' => ['type' => ASN1::TYPE_ANY]
        ]
    ];
}
PK     ×ˆU]çÑ]÷ò  ò  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKeyInfo.phpnu „[µü¤        <?php

/**
 * PrivateKeyInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PrivateKeyInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PrivateKeyInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => ['v1']
            ],
            'privateKeyAlgorithm' => AlgorithmIdentifier::MAP,
            'privateKey' => PrivateKey::MAP,
            'attributes' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + Attributes::MAP
        ]
    ];
}
PK     ØˆU]wÛÀ�G  G  J  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TerminalIdentifier.phpnu „[µü¤        <?php

/**
 * TerminalIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * TerminalIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class TerminalIdentifier
{
    const MAP = ['type' => ASN1::TYPE_PRINTABLE_STRING];
}
PK     ÙˆU](ÅŽfó  ó  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKeyUsagePeriod.phpnu „[µü¤        <?php

/**
 * PrivateKeyUsagePeriod
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PrivateKeyUsagePeriod
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PrivateKeyUsagePeriod
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'notBefore' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true,
                'type' => ASN1::TYPE_GENERALIZED_TIME],
            'notAfter' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true,
                'type' => ASN1::TYPE_GENERALIZED_TIME]
        ]
    ];
}
PK     ÙˆU]Õ |7N  N  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NumericUserIdentifier.phpnu „[µü¤        <?php

/**
 * NumericUserIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * NumericUserIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class NumericUserIdentifier
{
    const MAP = ['type' => ASN1::TYPE_NUMERIC_STRING];
}
PK     ÚˆU]¢Þ?æð  ð  O  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EncryptedPrivateKeyInfo.phpnu „[µü¤        <?php

/**
 * EncryptedPrivateKeyInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * EncryptedPrivateKeyInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EncryptedPrivateKeyInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'encryptionAlgorithm' => AlgorithmIdentifier::MAP,
            'encryptedData' => EncryptedData::MAP
        ]
    ];
}
PK     ÜˆU]%>ŽEi  i  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ORAddress.phpnu „[µü¤        <?php

/**
 * ORAddress
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ORAddress
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ORAddress
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'built-in-standard-attributes' => BuiltInStandardAttributes::MAP,
            'built-in-domain-defined-attributes' => ['optional' => true] + BuiltInDomainDefinedAttributes::MAP,
            'extension-attributes' => ['optional' => true] + ExtensionAttributes::MAP
        ]
    ];
}
PK     ÝˆU]a‰Öàp  p  J  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Characteristic_two.phpnu „[µü¤        <?php

/**
 * Characteristic_two
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Characteristic_two
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Characteristic_two
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'm' => ['type' => ASN1::TYPE_INTEGER], // field size 2**m
            'basis' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'parameters' => [
                'type' => ASN1::TYPE_ANY,
                'optional' => true
            ]
        ]
    ];
}
PK     ÝˆU]‹!<€K  K  K  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/HoldInstructionCode.phpnu „[µü¤        <?php

/**
 * HoldInstructionCode
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * HoldInstructionCode
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class HoldInstructionCode
{
    const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER];
}
PK     àˆU]p×%ì³  ³  O  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectInfoAccessSyntax.phpnu „[µü¤        <?php

/**
 * SubjectInfoAccessSyntax
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SubjectInfoAccessSyntax
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SubjectInfoAccessSyntax
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => AccessDescription::MAP
    ];
}
PK     áˆU]]2ŸpE  E  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyQualifierId.phpnu „[µü¤        <?php

/**
 * PolicyQualifierId
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PolicyQualifierId
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PolicyQualifierId
{
    const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER];
}
PK     âˆU]1ou�  �  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PersonalName.phpnu „[µü¤        <?php

/**
 * PersonalName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PersonalName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PersonalName
{
    const MAP = [
        'type' => ASN1::TYPE_SET,
        'children' => [
            'surname' => [
                'type' => ASN1::TYPE_PRINTABLE_STRING,
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ],
            'given-name' => [
                'type' => ASN1::TYPE_PRINTABLE_STRING,
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ],
            'initials' => [
                'type' => ASN1::TYPE_PRINTABLE_STRING,
                'constant' => 2,
                'optional' => true,
                'implicit' => true
            ],
            'generation-qualifier' => [
                'type' => ASN1::TYPE_PRINTABLE_STRING,
                'constant' => 3,
                'optional' => true,
                'implicit' => true
            ]
        ]
    ];
}
PK     ãˆU]“'ìÞ"  "  ?  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECPoint.phpnu „[µü¤        <?php

/**
 * ECPoint
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ECPoint
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ECPoint
{
    const MAP = ['type' => ASN1::TYPE_OCTET_STRING];
}
PK     äˆU]´&[Õ    >  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CPSuri.phpnu „[µü¤        <?php

/**
 * CPSuri
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CPSuri
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CPSuri
{
    const MAP = ['type' => ASN1::TYPE_IA5_STRING];
}
PK     åˆU]�>´&õ  õ  P  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AdministrationDomainName.phpnu „[µü¤        <?php

/**
 * AdministrationDomainName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AdministrationDomainName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AdministrationDomainName
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        // if class isn't present it's assumed to be \phpseclib3\File\ASN1::CLASS_UNIVERSAL or
        // (if constant is present) \phpseclib3\File\ASN1::CLASS_CONTEXT_SPECIFIC
        'class' => ASN1::CLASS_APPLICATION,
        'cast' => 2,
        'children' => [
            'numeric' => ['type' => ASN1::TYPE_NUMERIC_STRING],
            'printable' => ['type' => ASN1::TYPE_PRINTABLE_STRING]
        ]
    ];
}
PK     åˆU]X˜-)    =  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Curve.phpnu „[µü¤        <?php

/**
 * Curve
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Curve
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Curve
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'a' => FieldElement::MAP,
            'b' => FieldElement::MAP,
            'seed' => [
                'type' => ASN1::TYPE_BIT_STRING,
                'optional' => true
            ]
        ]
    ];
}
PK     æˆU]‚kM  M  N  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_ca_policy_url.phpnu „[µü¤        <?php

/**
 * netscape_ca_policy_url
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * netscape_ca_policy_url
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class netscape_ca_policy_url
{
    const MAP = ['type' => ASN1::TYPE_IA5_STRING];
}
PK     çˆU]0Mí.  .  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateIssuer.phpnu „[µü¤        <?php

/**
 * CertificateIssuer
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificateIssuer
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificateIssuer
{
    const MAP = GeneralNames::MAP;
}
PK     èˆU]‚©°9  9  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeType.phpnu „[µü¤        <?php

/**
 * AttributeType
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AttributeType
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AttributeType
{
    const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER];
}
PK     èˆU]²ú<2  2  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/MaskGenAlgorithm.phpnu „[µü¤        <?php

/**
 * MaskGenAglorithm
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * MaskGenAglorithm
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class MaskGenAlgorithm
{
    const MAP = AlgorithmIdentifier::MAP;
}
PK     éˆU]XÁÀpC  C  J  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RevokedCertificate.phpnu „[µü¤        <?php

/**
 * RevokedCertificate
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RevokedCertificate
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RevokedCertificate
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'userCertificate' => CertificateSerialNumber::MAP,
            'revocationDate' => Time::MAP,
            'crlEntryExtensions' => [
                'optional' => true
            ] + Extensions::MAP
        ]
    ];
}
PK     êˆU]-dCá#  #  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Trinomial.phpnu „[µü¤        <?php

/**
 * Trinomial
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Trinomial
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Trinomial
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     êˆU]“°{ç  ç  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKeyAndChallenge.phpnu „[µü¤        <?php

/**
 * PublicKeyAndChallenge
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PublicKeyAndChallenge
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PublicKeyAndChallenge
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'spki' => SubjectPublicKeyInfo::MAP,
            'challenge' => ['type' => ASN1::TYPE_IA5_STRING]
        ]
    ];
}
PK     êˆU]^),  ,  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAPublicKey.phpnu „[µü¤        <?php

/**
 * DSAPublicKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DSAPublicKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DSAPublicKey
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     êˆU]ª)R    P  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificationRequestInfo.phpnu „[µü¤        <?php

/**
 * CertificationRequestInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificationRequestInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificationRequestInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => ['v1']
            ],
            'subject' => Name::MAP,
            'subjectPKInfo' => SubjectPublicKeyInfo::MAP,
            'attributes' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + Attributes::MAP,
        ]
    ];
}
PK     êˆU]Hwß  ß  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CountryName.phpnu „[µü¤        <?php

/**
 * CountryName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CountryName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CountryName
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        // if class isn't present it's assumed to be \phpseclib3\File\ASN1::CLASS_UNIVERSAL or
        // (if constant is present) \phpseclib3\File\ASN1::CLASS_CONTEXT_SPECIFIC
        'class' => ASN1::CLASS_APPLICATION,
        'cast' => 1,
        'children' => [
            'x121-dcc-code' => ['type' => ASN1::TYPE_NUMERIC_STRING],
            'iso-3166-alpha2-code' => ['type' => ASN1::TYPE_PRINTABLE_STRING]
        ]
    ];
}
PK     êˆU]Å·Ô”:  :  L  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificationRequest.phpnu „[µü¤        <?php

/**
 * CertificationRequest
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificationRequest
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificationRequest
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'certificationRequestInfo' => CertificationRequestInfo::MAP,
            'signatureAlgorithm' => AlgorithmIdentifier::MAP,
            'signature' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     êˆU]$ccg  g  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ReasonFlags.phpnu „[µü¤        <?php

/**
 * ReasonFlags
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ReasonFlags
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ReasonFlags
{
    const MAP = [
        'type' => ASN1::TYPE_BIT_STRING,
        'mapping' => [
            'unused',
            'keyCompromise',
            'cACompromise',
            'affiliationChanged',
            'superseded',
            'cessationOfOperation',
            'certificateHold',
            'privilegeWithdrawn',
            'aACompromise'
        ]
    ];
}
PK     ëˆU]ð¹õ1  1  K  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AlgorithmIdentifier.phpnu „[µü¤        <?php

/**
 * AlgorithmIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AlgorithmIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AlgorithmIdentifier
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'algorithm' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'parameters' => [
                'type' => ASN1::TYPE_ANY,
                'optional' => true
            ]
        ]
    ];
}
PK     ëˆU]äú6    D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBEParameter.phpnu „[µü¤        <?php

/**
 * PBEParameter
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PBEParameter
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PBEParameter
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'salt' => ['type' => ASN1::TYPE_OCTET_STRING],
            'iterationCount' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     ëˆU]ÿ¶kÂÎ  Î  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeTypeAndValue.phpnu „[µü¤        <?php

/**
 * AttributeTypeAndValue
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AttributeTypeAndValue
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AttributeTypeAndValue
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'type' => AttributeType::MAP,
            'value' => AttributeValue::MAP
        ]
    ];
}
PK     ëˆU]“Ã@¦  ¦  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TBSCertList.phpnu „[µü¤        <?php

/**
 * TBSCertList
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * TBSCertList
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class TBSCertList
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => ['v1', 'v2', 'v3'],
                'optional' => true,
                'default' => 'v2'
            ],
            'signature' => AlgorithmIdentifier::MAP,
            'issuer' => Name::MAP,
            'thisUpdate' => Time::MAP,
            'nextUpdate' => [
                'optional' => true
            ] + Time::MAP,
            'revokedCertificates' => [
                'type' => ASN1::TYPE_SEQUENCE,
                'optional' => true,
                'min' => 0,
                'max' => -1,
                'children' => RevokedCertificate::MAP
            ],
            'crlExtensions' => [
                'constant' => 0,
                'optional' => true,
                'explicit' => true
            ] + Extensions::MAP
        ]
    ];
}
PK     ëˆU]=Û·²Þ  Þ  O  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OrganizationalUnitNames.phpnu „[µü¤        <?php

/**
 * OrganizationalUnitNames
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * OrganizationalUnitNames
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OrganizationalUnitNames
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => 4, // ub-organizational-units
        'children' => ['type' => ASN1::TYPE_PRINTABLE_STRING]
    ];
}
PK     ëˆU]2ëú  ú  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralSubtree.phpnu „[µü¤        <?php

/**
 * GeneralSubtree
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * GeneralSubtree
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class GeneralSubtree
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'base' => GeneralName::MAP,
            'minimum' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true,
                'default' => '0'
            ] + BaseDistance::MAP,
            'maximum' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true,
            ] + BaseDistance::MAP
        ]
    ];
}
PK     ëˆU]9ÿ
7œ  œ  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtKeyUsageSyntax.phpnu „[µü¤        <?php

/**
 * ExtKeyUsageSyntax
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ExtKeyUsageSyntax
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ExtKeyUsageSyntax
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => KeyPurposeId::MAP
    ];
}
PK     ëˆU]·ë à  à  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DistributionPointName.phpnu „[µü¤        <?php

/**
 * DistributionPointName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DistributionPointName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DistributionPointName
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'fullName' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + GeneralNames::MAP,
            'nameRelativeToCRLIssuer' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + RelativeDistinguishedName::MAP
        ]
    ];
}
PK     ëˆU]Ôs]¥Œ  Œ  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralNames.phpnu „[µü¤        <?php

/**
 * GeneralNames
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * GeneralNames
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class GeneralNames
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => GeneralName::MAP
    ];
}
PK     ëˆU]1§º%.  .  Q  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInStandardAttributes.phpnu „[µü¤        <?php

/**
 * BuiltInStandardAttributes
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * BuiltInStandardAttributes
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BuiltInStandardAttributes
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'country-name' => ['optional' => true] + CountryName::MAP,
            'administration-domain-name' => ['optional' => true] + AdministrationDomainName::MAP,
            'network-address' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + NetworkAddress::MAP,
            'terminal-identifier' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + TerminalIdentifier::MAP,
            'private-domain-name' => [
                'constant' => 2,
                'optional' => true,
                'explicit' => true
            ] + PrivateDomainName::MAP,
            'organization-name' => [
                'constant' => 3,
                'optional' => true,
                'implicit' => true
            ] + OrganizationName::MAP,
            'numeric-user-identifier' => [
                'constant' => 4,
                'optional' => true,
                'implicit' => true
            ] + NumericUserIdentifier::MAP,
            'personal-name' => [
                'constant' => 5,
                'optional' => true,
                'implicit' => true
            ] + PersonalName::MAP,
            'organizational-unit-names' => [
                'constant' => 6,
                'optional' => true,
                'implicit' => true
            ] + OrganizationalUnitNames::MAP
        ]
    ];
}
PK     ëˆU]ÅÙìów  w  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKeyInfo.phpnu „[µü¤        <?php

/**
 * PublicKeyInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PublicKeyInfo
 *
 * this format is not formally defined anywhere but is none-the-less the form you
 * get when you do "openssl rsa -in private.pem -outform PEM -pubout"
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PublicKeyInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'publicKeyAlgorithm' => AlgorithmIdentifier::MAP,
            'publicKey' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     ìˆU]B²s¬  ¬  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLReason.phpnu „[µü¤        <?php

/**
 * CRLReason
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CRLReason
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CRLReason
{
    const MAP = [
        'type' => ASN1::TYPE_ENUMERATED,
        'mapping' => [
            'unspecified',
            'keyCompromise',
            'cACompromise',
            'affiliationChanged',
            'superseded',
            'cessationOfOperation',
            'certificateHold',
            // Value 7 is not used.
            8 => 'removeFromCRL',
            'privilegeWithdrawn',
            'aACompromise'
        ]
    ];
}
PK     ìˆU]'vÖT    C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Certificate.phpnu „[µü¤        <?php

/**
 * Certificate
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Certificate
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Certificate
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'tbsCertificate' => TBSCertificate::MAP,
            'signatureAlgorithm' => AlgorithmIdentifier::MAP,
            'signature' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     ìˆU]15¬ §  §  K  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificatePolicies.phpnu „[µü¤        <?php

/**
 * CertificatePolicies
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificatePolicies
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificatePolicies
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => PolicyInformation::MAP
    ];
}
PK     ìˆU]§pÿ—A  A  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSASSA_PSS_params.phpnu „[µü¤        <?php

/**
 * RSASSA_PSS_params
 *
 * As defined in https://tools.ietf.org/html/rfc4055#section-3.1
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RSASSA_PSS_params
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RSASSA_PSS_params
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'hashAlgorithm' => [
                'constant' => 0,
                'optional' => true,
                'explicit' => true,
                //'default'  => 'sha1Identifier'
            ] + HashAlgorithm::MAP,
            'maskGenAlgorithm' => [
                'constant' => 1,
                'optional' => true,
                'explicit' => true,
                //'default'  => 'mgf1SHA1Identifier'
            ] + MaskGenAlgorithm::MAP,
            'saltLength' => [
                'type' => ASN1::TYPE_INTEGER,
                'constant' => 2,
                'optional' => true,
                'explicit' => true,
                'default' => 20
            ],
            'trailerField' => [
                'type' => ASN1::TYPE_INTEGER,
                'constant' => 3,
                'optional' => true,
                'explicit' => true,
                'default' => 1
            ]
        ]
    ];
}
PK     ìˆU]šÁ¥Àí  í  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAParams.phpnu „[µü¤        <?php

/**
 * DSAParams
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DSAParams
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DSAParams
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'p' => ['type' => ASN1::TYPE_INTEGER],
            'q' => ['type' => ASN1::TYPE_INTEGER],
            'g' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     ìˆU]fˆÀ  À  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DssSigValue.phpnu „[µü¤        <?php

/**
 * DssSigValue
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DssSigValue
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DssSigValue
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'r' => ['type' => ASN1::TYPE_INTEGER],
            's' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     ìˆU]†kÈ&  &  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKey.phpnu „[µü¤        <?php

/**
 * PublicKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PublicKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PublicKey
{
    const MAP = ['type' => ASN1::TYPE_BIT_STRING];
}
PK     ìˆU]¸ŠžQ¹  ¹  Q  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AuthorityInfoAccessSyntax.phpnu „[µü¤        <?php

/**
 * AuthorityInfoAccessSyntax
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AuthorityInfoAccessSyntax
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AuthorityInfoAccessSyntax
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => AccessDescription::MAP
    ];
}
PK     ìˆU]Ü Å›c  c  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RC2CBCParameter.phpnu „[µü¤        <?php

/**
 * RC2CBCParameter
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RC2CBCParameter
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RC2CBCParameter
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'rc2ParametersVersion' => [
                'type' => ASN1::TYPE_INTEGER,
                'optional' => true
            ],
            'iv' => ['type' => ASN1::TYPE_OCTET_STRING]
        ]
    ];
}
PK     ìˆU]LF;:Æ  Æ  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EcdsaSigValue.phpnu „[µü¤        <?php

/**
 * EcdsaSigValue
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * EcdsaSigValue
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EcdsaSigValue
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'r' => ['type' => ASN1::TYPE_INTEGER],
            's' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     íˆU]©È\î    B  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Attributes.phpnu „[µü¤        <?php

/**
 * Attributes
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Attributes
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Attributes
{
    const MAP = [
        'type' => ASN1::TYPE_SET,
        'min' => 1,
        'max' => -1,
        'children' => Attribute::MAP
    ];
}
PK     íˆU]gî“Ñ  Ñ  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OneAsymmetricKey.phpnu „[µü¤        <?php

/**
 * OneAsymmetricKey
 *
 * See https://tools.ietf.org/html/rfc5958
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * OneAsymmetricKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OneAsymmetricKey
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => ['v1', 'v2']
            ],
            'privateKeyAlgorithm' => AlgorithmIdentifier::MAP,
            'privateKey' => PrivateKey::MAP,
            'attributes' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + Attributes::MAP,
            'publicKey' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + PublicKey::MAP
        ]
    ];
}
PK     íˆU]3ö¹Œ    D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBMAC1params.phpnu „[µü¤        <?php

/**
 * PBMAC1params
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PBMAC1params
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PBMAC1params
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'keyDerivationFunc' => AlgorithmIdentifier::MAP,
            'messageAuthScheme' => AlgorithmIdentifier::MAP
        ]
    ];
}
PK     íˆU]£ ïZ  Z  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DisplayText.phpnu „[µü¤        <?php

/**
 * DisplayText
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DisplayText
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DisplayText
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'ia5String' => ['type' => ASN1::TYPE_IA5_STRING],
            'visibleString' => ['type' => ASN1::TYPE_VISIBLE_STRING],
            'bmpString' => ['type' => ASN1::TYPE_BMP_STRING],
            'utf8String' => ['type' => ASN1::TYPE_UTF8_STRING]
        ]
    ];
}
PK     íˆU]‚!ËRÈ  È  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECPrivateKey.phpnu „[µü¤        <?php

/**
 * ECPrivateKey
 *
 * From: https://tools.ietf.org/html/rfc5915
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ECPrivateKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ECPrivateKey
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => [1 => 'ecPrivkeyVer1']
            ],
            'privateKey' => ['type' => ASN1::TYPE_OCTET_STRING],
            'parameters' => [
                'constant' => 0,
                'optional' => true,
                'explicit' => true
            ] + ECParameters::MAP,
            'publicKey' => [
                'type' => ASN1::TYPE_BIT_STRING,
                'constant' => 1,
                'optional' => true,
                'explicit' => true
            ]
        ]
    ];
}
PK     íˆU]€óM@b  b  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OtherPrimeInfo.phpnu „[µü¤        <?php

/**
 * OtherPrimeInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * OtherPrimeInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OtherPrimeInfo
{
    // version must be multi if otherPrimeInfos present
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'prime' => ['type' => ASN1::TYPE_INTEGER],      // ri
            'exponent' => ['type' => ASN1::TYPE_INTEGER],   // di
            'coefficient' => ['type' => ASN1::TYPE_INTEGER] // ti
        ]
    ];
}
PK     íˆU]sn`²é  é  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralName.phpnu „[µü¤        <?php

/**
 * GeneralName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * GeneralName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class GeneralName
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'otherName' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + AnotherName::MAP,
            'rfc822Name' => [
                'type' => ASN1::TYPE_IA5_STRING,
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ],
            'dNSName' => [
                'type' => ASN1::TYPE_IA5_STRING,
                'constant' => 2,
                'optional' => true,
                'implicit' => true
            ],
            'x400Address' => [
                'constant' => 3,
                'optional' => true,
                'implicit' => true
            ] + ORAddress::MAP,
            'directoryName' => [
                'constant' => 4,
                'optional' => true,
                'explicit' => true
            ] + Name::MAP,
            'ediPartyName' => [
                'constant' => 5,
                'optional' => true,
                'implicit' => true
            ] + EDIPartyName::MAP,
            'uniformResourceIdentifier' => [
                'type' => ASN1::TYPE_IA5_STRING,
                'constant' => 6,
                'optional' => true,
                'implicit' => true
            ],
            'iPAddress' => [
                'type' => ASN1::TYPE_OCTET_STRING,
                'constant' => 7,
                'optional' => true,
                'implicit' => true
            ],
            'registeredID' => [
                'type' => ASN1::TYPE_OBJECT_IDENTIFIER,
                'constant' => 8,
                'optional' => true,
                'implicit' => true
            ]
        ]
    ];
}
PK     íˆU]<éÓ.  .  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeValue.phpnu „[µü¤        <?php

/**
 * AttributeValue
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AttributeValue
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AttributeValue
{
    const MAP = ['type' => ASN1::TYPE_ANY];
}
PK     íˆU]lÙr(R  R  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RDNSequence.phpnu „[µü¤        <?php

/**
 * RDNSequence
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RDNSequence
 *
 * In practice, RDNs containing multiple name-value pairs (called "multivalued RDNs") are rare,
 * but they can be useful at times when either there is no unique attribute in the entry or you
 * want to ensure that the entry's DN contains some useful identifying information.
 *
 * - https://www.opends.org/wiki/page/DefinitionRelativeDistinguishedName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RDNSequence
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        // RDNSequence does not define a min or a max, which means it doesn't have one
        'min' => 0,
        'max' => -1,
        'children' => RelativeDistinguishedName::MAP
    ];
}
PK     íˆU]M—,»¯  ¯  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PostalAddress.phpnu „[µü¤        <?php

/**
 * PostalAddress
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PostalAddress
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PostalAddress
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'optional' => true,
        'min' => 1,
        'max' => -1,
        'children' => DirectoryString::MAP
    ];
}
PK     îˆU]”ƒ©­1  1  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/FieldElement.phpnu „[µü¤        <?php

/**
 * FieldElement
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * FieldElement
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class FieldElement
{
    const MAP = ['type' => ASN1::TYPE_OCTET_STRING];
}
PK     ïˆU]KŒAN    U  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttribute.phpnu „[µü¤        <?php

/**
 * BuiltInDomainDefinedAttribute
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * BuiltInDomainDefinedAttribute
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BuiltInDomainDefinedAttribute
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'type' => ['type' => ASN1::TYPE_PRINTABLE_STRING],
            'value' => ['type' => ASN1::TYPE_PRINTABLE_STRING]
        ]
    ];
}
PK     ðˆU]æÊŒ¢  ¢  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SpecifiedECDomain.phpnu „[µü¤        <?php

/**
 * SpecifiedECDomain
 *
 * From: http://www.secg.org/sec1-v2.pdf#page=109
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SpecifiedECDomain
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SpecifiedECDomain
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => [1 => 'ecdpVer1', 'ecdpVer2', 'ecdpVer3']
            ],
            'fieldID' => FieldID::MAP,
            'curve' => Curve::MAP,
            'base' => ECPoint::MAP,
            'order' => ['type' => ASN1::TYPE_INTEGER],
            'cofactor' => [
                'type' => ASN1::TYPE_INTEGER,
                'optional' => true
            ],
            'hash' => ['optional' => true] + HashAlgorithm::MAP
        ]
    ];
}
PK     ñˆU]*æõÍ  Í  C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PKCS9String.phpnu „[µü¤        <?php

/**
 * PKCS9String
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PKCS9String
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS9String
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'ia5String' => ['type' => ASN1::TYPE_IA5_STRING],
            'directoryString' => DirectoryString::MAP
        ]
    ];
}
PK     òˆU]{x#  #  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLNumber.phpnu „[µü¤        <?php

/**
 * CRLNumber
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CRLNumber
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CRLNumber
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     òˆU]ý°Ð	j  j  B  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/UserNotice.phpnu „[µü¤        <?php

/**
 * UserNotice
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * UserNotice
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class UserNotice
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'noticeRef' => [
                'optional' => true,
                'implicit' => true
            ] + NoticeReference::MAP,
            'explicitText' => [
                'optional' => true,
                'implicit' => true
            ] + DisplayText::MAP
        ]
    ];
}
PK     óˆU]23³Ú    B  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Extensions.phpnu „[µü¤        <?php

/**
 * Extensions
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Extensions
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Extensions
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        // technically, it's MAX, but we'll assume anything < 0 is MAX
        'max' => -1,
        // if 'children' isn't an array then 'min' and 'max' must be defined
        'children' => Extension::MAP
    ];
}
PK     ôˆU]Ó0†Ÿ¨  ¨  P  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/IssuingDistributionPoint.phpnu „[µü¤        <?php

/**
 * IssuingDistributionPoint
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * IssuingDistributionPoint
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class IssuingDistributionPoint
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'distributionPoint' => [
                'constant' => 0,
                'optional' => true,
                'explicit' => true
            ] + DistributionPointName::MAP,
            'onlyContainsUserCerts' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'constant' => 1,
                'optional' => true,
                'default' => false,
                'implicit' => true
            ],
            'onlyContainsCACerts' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'constant' => 2,
                'optional' => true,
                'default' => false,
                'implicit' => true
            ],
            'onlySomeReasons' => [
                'constant' => 3,
                'optional' => true,
                'implicit' => true
            ] + ReasonFlags::MAP,
            'indirectCRL' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'constant' => 4,
                'optional' => true,
                'default' => false,
                'implicit' => true
            ],
            'onlyContainsAttributeCerts' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'constant' => 5,
                'optional' => true,
                'default' => false,
                'implicit' => true
            ]
        ]
    ];
}
PK     ôˆU]nâ0ZÐ  Ð  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OtherPrimeInfos.phpnu „[µü¤        <?php

/**
 * OtherPrimeInfos
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * OtherPrimeInfos
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OtherPrimeInfos
{
    // version must be multi if otherPrimeInfos present
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => OtherPrimeInfo::MAP
    ];
}
PK     ôˆU]Òõ#    ?  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Prime_p.phpnu „[µü¤        <?php

/**
 * Prime_p
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Prime_p
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Prime_p
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     ôˆU]O<Ü·¿  ¿  K  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtensionAttributes.phpnu „[µü¤        <?php

/**
 * ExtensionAttributes
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ExtensionAttributes
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ExtensionAttributes
{
    const MAP = [
        'type' => ASN1::TYPE_SET,
        'min' => 1,
        'max' => 256, // ub-extension-attributes
        'children' => ExtensionAttribute::MAP
    ];
}
PK     ôˆU]ŠéÅ)  )  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/HashAlgorithm.phpnu „[µü¤        <?php

/**
 * HashAglorithm
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * HashAglorithm
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class HashAlgorithm
{
    const MAP = AlgorithmIdentifier::MAP;
}
PK     ôˆU]z_be  e  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBKDF2params.phpnu „[µü¤        <?php

/**
 * PBKDF2params
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PBKDF2params
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PBKDF2params
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            // technically, this is a CHOICE in RFC2898 but the other "choice" is, currently, more of a placeholder
            // in the RFC
            'salt' => ['type' => ASN1::TYPE_OCTET_STRING],
            'iterationCount' => ['type' => ASN1::TYPE_INTEGER],
            'keyLength' => [
                'type' => ASN1::TYPE_INTEGER,
                'optional' => true
            ],
            'prf' => AlgorithmIdentifier::MAP + ['optional' => true]
        ]
    ];
}
PK     ôˆU][P‹ä˜  ˜  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAPrivateKey.phpnu „[µü¤        <?php

/**
 * DSAPrivateKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DSAPrivateKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DSAPrivateKey
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => ['type' => ASN1::TYPE_INTEGER],
            'p' => ['type' => ASN1::TYPE_INTEGER],
            'q' => ['type' => ASN1::TYPE_INTEGER],
            'g' => ['type' => ASN1::TYPE_INTEGER],
            'y' => ['type' => ASN1::TYPE_INTEGER],
            'x' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     ôˆU]ÀVàŸM  M  O  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateSerialNumber.phpnu „[µü¤        <?php

/**
 * CertificateSerialNumber
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificateSerialNumber
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificateSerialNumber
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     ôˆU]:”)¡  ¡  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TBSCertificate.phpnu „[µü¤        <?php

/**
 * TBSCertificate
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * TBSCertificate
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class TBSCertificate
{
    // assert($TBSCertificate['children']['signature'] == $Certificate['children']['signatureAlgorithm'])
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            // technically, default implies optional, but we'll define it as being optional, none-the-less, just to
            // reenforce that fact
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'constant' => 0,
                'optional' => true,
                'explicit' => true,
                'mapping' => ['v1', 'v2', 'v3'],
                'default' => 'v1'
            ],
            'serialNumber' => CertificateSerialNumber::MAP,
            'signature' => AlgorithmIdentifier::MAP,
            'issuer' => Name::MAP,
            'validity' => Validity::MAP,
            'subject' => Name::MAP,
            'subjectPublicKeyInfo' => SubjectPublicKeyInfo::MAP,
            // implicit means that the T in the TLV structure is to be rewritten, regardless of the type
            'issuerUniqueID' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + UniqueIdentifier::MAP,
            'subjectUniqueID' => [
                'constant' => 2,
                'optional' => true,
                'implicit' => true
            ] + UniqueIdentifier::MAP,
            // <http://tools.ietf.org/html/rfc2459#page-74> doesn't use the EXPLICIT keyword but if
            // it's not IMPLICIT, it's EXPLICIT
            'extensions' => [
                'constant' => 3,
                'optional' => true,
                'explicit' => true
            ] + Extensions::MAP
        ]
    ];
}
PK     ôˆU]S9‚    J  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtensionAttribute.phpnu „[µü¤        <?php

/**
 * ExtensionAttribute
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * ExtensionAttribute
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ExtensionAttribute
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'extension-attribute-type' => [
                'type' => ASN1::TYPE_PRINTABLE_STRING,
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ],
            'extension-attribute-value' => [
                'type' => ASN1::TYPE_ANY,
                'constant' => 1,
                'optional' => true,
                'explicit' => true
            ]
        ]
    ];
}
PK     õˆU]P°Ëç;  ;  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_comment.phpnu „[µü¤        <?php

/**
 * netscape_comment
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * netscape_comment
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class netscape_comment
{
    const MAP = ['type' => ASN1::TYPE_IA5_STRING];
}
PK     õˆU]¥Áhu  u  A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Extension.phpnu „[µü¤        <?php

/**
 * Extension
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Extension
 *
 * A certificate using system MUST reject the certificate if it encounters
 * a critical extension it does not recognize; however, a non-critical
 * extension may be ignored if it is not recognized.
 *
 * http://tools.ietf.org/html/rfc5280#section-4.2
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Extension
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'extnId' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'critical' => [
                'type' => ASN1::TYPE_BOOLEAN,
                'optional' => true,
                'default' => false
            ],
            'extnValue' => ['type' => ASN1::TYPE_OCTET_STRING]
        ]
    ];
}
PK     õˆU]Î:Åî  î  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateDomainName.phpnu „[µü¤        <?php

/**
 * PrivateDomainName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * PrivateDomainName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PrivateDomainName
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'numeric' => ['type' => ASN1::TYPE_NUMERIC_STRING],
            'printable' => ['type' => ASN1::TYPE_PRINTABLE_STRING]
        ]
    ];
}
PK     õˆU]†b4    B  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DigestInfo.phpnu „[µü¤        <?php

/**
 * DigestInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DigestInfo
 *
 * from https://tools.ietf.org/html/rfc2898#appendix-A.3
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DigestInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'digestAlgorithm' => AlgorithmIdentifier::MAP,
            'digest' => ['type' => ASN1::TYPE_OCTET_STRING]
        ]
    ];
}
PK     õˆU]·¶ì‚;  ;  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/InvalidityDate.phpnu „[µü¤        <?php

/**
 * InvalidityDate
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * InvalidityDate
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class InvalidityDate
{
    const MAP = ['type' => ASN1::TYPE_GENERALIZED_TIME];
}
PK     õˆU]š€t&l  l  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NoticeReference.phpnu „[µü¤        <?php

/**
 * NoticeReference
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * NoticeReference
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class NoticeReference
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'organization' => DisplayText::MAP,
            'noticeNumbers' => [
                'type' => ASN1::TYPE_SEQUENCE,
                'min' => 1,
                'max' => 200,
                'children' => ['type' => ASN1::TYPE_INTEGER]
            ]
        ]
    ];
}
PK     õˆU]5ƒ<ó  ó  V  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttributes.phpnu „[µü¤        <?php

/**
 * BuiltInDomainDefinedAttributes
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * BuiltInDomainDefinedAttributes
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BuiltInDomainDefinedAttributes
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => 4, // ub-domain-defined-attributes
        'children' => BuiltInDomainDefinedAttribute::MAP
    ];
}
PK     öˆU]<®ëU  U  @  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyUsage.phpnu „[µü¤        <?php

/**
 * KeyUsage
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * KeyUsage
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class KeyUsage
{
    const MAP = [
        'type' => ASN1::TYPE_BIT_STRING,
        'mapping' => [
            'digitalSignature',
            'nonRepudiation',
            'keyEncipherment',
            'dataEncipherment',
            'keyAgreement',
            'keyCertSign',
            'cRLSign',
            'encipherOnly',
            'decipherOnly'
        ]
    ];
}
PK     öˆU]¥K,ë    C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Pentanomial.phpnu „[µü¤        <?php

/**
 * Pentanomial
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Pentanomial
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Pentanomial
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'k1' => ['type' => ASN1::TYPE_INTEGER], // k1 > 0
            'k2' => ['type' => ASN1::TYPE_INTEGER], // k2 > k1
            'k3' => ['type' => ASN1::TYPE_INTEGER], // k3 > h2
        ]
    ];
}
PK     öˆU]ÀÑhï  ï  L  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectPublicKeyInfo.phpnu „[µü¤        <?php

/**
 * SubjectPublicKeyInfo
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SubjectPublicKeyInfo
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SubjectPublicKeyInfo
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'algorithm' => AlgorithmIdentifier::MAP,
            'subjectPublicKey' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     öˆU]¤[6  6  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyPurposeId.phpnu „[µü¤        <?php

/**
 * KeyPurposeId
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * KeyPurposeId
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class KeyPurposeId
{
    const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER];
}
PK     ÷ˆU]vExÀ;  ;  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/UniqueIdentifier.phpnu „[µü¤        <?php

/**
 * UniqueIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * UniqueIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class UniqueIdentifier
{
    const MAP = ['type' => ASN1::TYPE_BIT_STRING];
}
PK     ÷ˆU]ó:p,  ,  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BaseDistance.phpnu „[µü¤        <?php

/**
 * BaseDistance
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * BaseDistance
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BaseDistance
{
    const MAP = ['type' => ASN1::TYPE_INTEGER];
}
PK     ÷ˆU]r”¥Çæ  æ  I  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AccessDescription.phpnu „[µü¤        <?php

/**
 * AccessDescription
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AccessDescription
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AccessDescription
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'accessMethod' => ['type' => ASN1::TYPE_OBJECT_IDENTIFIER],
            'accessLocation' => GeneralName::MAP
        ]
    ];
}
PK     ÷ˆU]¡ø†I  I  S  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SignedPublicKeyAndChallenge.phpnu „[µü¤        <?php

/**
 * SignedPublicKeyAndChallenge
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SignedPublicKeyAndChallenge
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SignedPublicKeyAndChallenge
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'publicKeyAndChallenge' => PublicKeyAndChallenge::MAP,
            'signatureAlgorithm' => AlgorithmIdentifier::MAP,
            'signature' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     ÷ˆU]õr7¼"  "  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/IssuerAltName.phpnu „[µü¤        <?php

/**
 * IssuerAltName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * IssuerAltName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class IssuerAltName
{
    const MAP = GeneralNames::MAP;
}
PK     ÷ˆU]Ÿ	ÔÞ      C  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DHParameter.phpnu „[µü¤        <?php

/**
 * DHParameter
 *
 * From: https://www.teletrust.de/fileadmin/files/oid/oid_pkcs-3v1-4.pdf#page=6
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DHParameter
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DHParameter
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'prime' => ['type' => ASN1::TYPE_INTEGER],
            'base' => ['type' => ASN1::TYPE_INTEGER],
            'privateValueLength' => [
                'type' => ASN1::TYPE_INTEGER,
                'optional' => true
            ]
        ]
    ];
}
PK     ÷ˆU]@\É  É  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSAPrivateKey.phpnu „[µü¤        <?php

/**
 * RSAPrivateKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RSAPrivateKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RSAPrivateKey
{
    // version must be multi if otherPrimeInfos present
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'version' => [
                'type' => ASN1::TYPE_INTEGER,
                'mapping' => ['two-prime', 'multi']
            ],
            'modulus' => ['type' => ASN1::TYPE_INTEGER],         // n
            'publicExponent' => ['type' => ASN1::TYPE_INTEGER],  // e
            'privateExponent' => ['type' => ASN1::TYPE_INTEGER], // d
            'prime1' => ['type' => ASN1::TYPE_INTEGER],          // p
            'prime2' => ['type' => ASN1::TYPE_INTEGER],          // q
            'exponent1' => ['type' => ASN1::TYPE_INTEGER],       // d mod (p-1)
            'exponent2' => ['type' => ASN1::TYPE_INTEGER],       // d mod (q-1)
            'coefficient' => ['type' => ASN1::TYPE_INTEGER],     // (inverse of q) mod p
            'otherPrimeInfos' => OtherPrimeInfos::MAP + ['optional' => true]
        ]
    ];
}
PK     øˆU]wœÃ  Ã  <  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Time.phpnu „[µü¤        <?php

/**
 * Time
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Time
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Time
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'utcTime' => ['type' => ASN1::TYPE_UTC_TIME],
            'generalTime' => ['type' => ASN1::TYPE_GENERALIZED_TIME]
        ]
    ];
}
PK     øˆU]Ž¦6  6  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertPolicyId.phpnu „[µü¤        <?php

/**
 * CertPolicyId
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertPolicyId
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertPolicyId
{
    const MAP = ['type' => ASN1::TYPE_OBJECT_IDENTIFIER];
}
PK     øˆU]˜91     G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateList.phpnu „[µü¤        <?php

/**
 * CertificateList
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CertificateList
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CertificateList
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'tbsCertList' => TBSCertList::MAP,
            'signatureAlgorithm' => AlgorithmIdentifier::MAP,
            'signature' => ['type' => ASN1::TYPE_BIT_STRING]
        ]
    ];
}
PK     øˆU]o„¢Ö  Ö  D  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSAPublicKey.phpnu „[µü¤        <?php

/**
 * RSAPublicKey
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * RSAPublicKey
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RSAPublicKey
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'modulus' => ['type' => ASN1::TYPE_INTEGER],
            'publicExponent' => ['type' => ASN1::TYPE_INTEGER]
        ]
    ];
}
PK     øˆU]8F•¹�  �  N  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AuthorityKeyIdentifier.phpnu „[µü¤        <?php

/**
 * AuthorityKeyIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * AuthorityKeyIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class AuthorityKeyIdentifier
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'keyIdentifier' => [
                'constant' => 0,
                'optional' => true,
                'implicit' => true
            ] + KeyIdentifier::MAP,
            'authorityCertIssuer' => [
                'constant' => 1,
                'optional' => true,
                'implicit' => true
            ] + GeneralNames::MAP,
            'authorityCertSerialNumber' => [
                'constant' => 2,
                'optional' => true,
                'implicit' => true
            ] + CertificateSerialNumber::MAP
        ]
    ];
}
PK     øˆU]ã›Ã4  4  E  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyIdentifier.phpnu „[µü¤        <?php

/**
 * KeyIdentifier
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * KeyIdentifier
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class KeyIdentifier
{
    const MAP = ['type' => ASN1::TYPE_OCTET_STRING];
}
PK     øˆU]¨5lÞœ  œ  @  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Validity.phpnu „[µü¤        <?php

/**
 * Validity
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * Validity
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Validity
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'children' => [
            'notBefore' => Time::MAP,
            'notAfter' => Time::MAP
        ]
    ];
}
PK     øˆU]×¡¸ß9  9  F  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NetworkAddress.phpnu „[µü¤        <?php

/**
 * NetworkAddress
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * NetworkAddress
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class NetworkAddress
{
    const MAP = ['type' => ASN1::TYPE_NUMERIC_STRING];
}
PK     øˆU]/ŽJ¼  ¼  G  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DirectoryString.phpnu „[µü¤        <?php

/**
 * DirectoryString
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * DirectoryString
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DirectoryString
{
    const MAP = [
        'type' => ASN1::TYPE_CHOICE,
        'children' => [
            'teletexString' => ['type' => ASN1::TYPE_TELETEX_STRING],
            'printableString' => ['type' => ASN1::TYPE_PRINTABLE_STRING],
            'universalString' => ['type' => ASN1::TYPE_UNIVERSAL_STRING],
            'utf8String' => ['type' => ASN1::TYPE_UTF8_STRING],
            'bmpString' => ['type' => ASN1::TYPE_BMP_STRING]
        ]
    ];
}
PK     øˆU]ìýh´  ´  R  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectDirectoryAttributes.phpnu „[µü¤        <?php

/**
 * SubjectDirectoryAttributes
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * SubjectDirectoryAttributes
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SubjectDirectoryAttributes
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => Attribute::MAP
    ];
}
PK     øˆU]ùÖžµ­  ­  M  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLDistributionPoints.phpnu „[µü¤        <?php

/**
 * CRLDistributionPoints
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * CRLDistributionPoints
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class CRLDistributionPoints
{
    const MAP = [
        'type' => ASN1::TYPE_SEQUENCE,
        'min' => 1,
        'max' => -1,
        'children' => DistributionPoint::MAP
    ];
}
PK     ùˆU]þ³A  A  H  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OrganizationName.phpnu „[µü¤        <?php

/**
 * OrganizationName
 *
 * PHP version 5
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File\ASN1\Maps;

use phpseclib3\File\ASN1;

/**
 * OrganizationName
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OrganizationName
{
    const MAP = ['type' => ASN1::TYPE_PRINTABLE_STRING];
}
PK     ùˆU]Õ­Üªî  î  2  vendor/phpseclib/phpseclib/phpseclib/File/ASN1.phpnu „[µü¤        <?php

/**
 * Pure-PHP ASN.1 Parser
 *
 * PHP version 5
 *
 * ASN.1 provides the semantics for data encoded using various schemes.  The most commonly
 * utilized scheme is DER or the "Distinguished Encoding Rules".  PEM's are base64 encoded
 * DER blobs.
 *
 * \phpseclib3\File\ASN1 decodes and encodes DER formatted messages and places them in a semantic context.
 *
 * Uses the 1988 ASN.1 syntax.
 *
 * @category  File
 * @package   ASN1
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2012 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File;

use DateTime;
use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\File\ASN1\Element;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP ASN.1 Parser
 *
 * @package ASN1
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ASN1
{
    // Tag Classes
    // http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=12
    const CLASS_UNIVERSAL        = 0;
    const CLASS_APPLICATION      = 1;
    const CLASS_CONTEXT_SPECIFIC = 2;
    const CLASS_PRIVATE          = 3;

    // Tag Classes
    // http://www.obj-sys.com/asn1tutorial/node124.html
    const TYPE_BOOLEAN           = 1;
    const TYPE_INTEGER           = 2;
    const TYPE_BIT_STRING        = 3;
    const TYPE_OCTET_STRING      = 4;
    const TYPE_NULL              = 5;
    const TYPE_OBJECT_IDENTIFIER = 6;
    //const TYPE_OBJECT_DESCRIPTOR = 7;
    //const TYPE_INSTANCE_OF       = 8; // EXTERNAL
    const TYPE_REAL              = 9;
    const TYPE_ENUMERATED        = 10;
    //const TYPE_EMBEDDED          = 11;
    const TYPE_UTF8_STRING       = 12;
    //const TYPE_RELATIVE_OID      = 13;
    const TYPE_SEQUENCE          = 16; // SEQUENCE OF
    const TYPE_SET               = 17; // SET OF

    // More Tag Classes
    // http://www.obj-sys.com/asn1tutorial/node10.html
    const TYPE_NUMERIC_STRING   = 18;
    const TYPE_PRINTABLE_STRING = 19;
    const TYPE_TELETEX_STRING   = 20; // T61String
    const TYPE_VIDEOTEX_STRING  = 21;
    const TYPE_IA5_STRING       = 22;
    const TYPE_UTC_TIME         = 23;
    const TYPE_GENERALIZED_TIME = 24;
    const TYPE_GRAPHIC_STRING   = 25;
    const TYPE_VISIBLE_STRING   = 26; // ISO646String
    const TYPE_GENERAL_STRING   = 27;
    const TYPE_UNIVERSAL_STRING = 28;
    //const TYPE_CHARACTER_STRING = 29;
    const TYPE_BMP_STRING       = 30;

    // Tag Aliases
    // These tags are kinda place holders for other tags.
    const TYPE_CHOICE = -1;
    const TYPE_ANY    = -2;

    /**
     * ASN.1 object identifiers
     *
     * @var array
     * @access private
     * @link http://en.wikipedia.org/wiki/Object_identifier
     */
    private static $oids = [];

    /**
     * ASN.1 object identifier reverse mapping
     *
     * @var array
     * @access private
     */
    private static $reverseOIDs = [];

    /**
     * Default date format
     *
     * @var string
     * @access private
     * @link http://php.net/class.datetime
     */
    private static $format = 'D, d M Y H:i:s O';

    /**
     * Filters
     *
     * If the mapping type is self::TYPE_ANY what do we actually encode it as?
     *
     * @var array
     * @access private
     * @see self::encode_der()
     */
    private static $filters;

    /**
     * Current Location of most recent ASN.1 encode process
     *
     * Useful for debug purposes
     *
     * @var array
     * @access private
     * @see self::encode_der()
     */
    private static $location;

    /**
     * DER Encoded String
     *
     * In case we need to create ASN1\Element object's..
     *
     * @var string
     * @access private
     * @see self::decodeDER()
     */
    private static $encoded;

    /**
     * Type mapping table for the ANY type.
     *
     * Structured or unknown types are mapped to a \phpseclib3\File\ASN1\Element.
     * Unambiguous types get the direct mapping (int/real/bool).
     * Others are mapped as a choice, with an extra indexing level.
     *
     * @var array
     * @access public
     */
    const ANY_MAP = [
        self::TYPE_BOOLEAN              => true,
        self::TYPE_INTEGER              => true,
        self::TYPE_BIT_STRING           => 'bitString',
        self::TYPE_OCTET_STRING         => 'octetString',
        self::TYPE_NULL                 => 'null',
        self::TYPE_OBJECT_IDENTIFIER    => 'objectIdentifier',
        self::TYPE_REAL                 => true,
        self::TYPE_ENUMERATED           => 'enumerated',
        self::TYPE_UTF8_STRING          => 'utf8String',
        self::TYPE_NUMERIC_STRING       => 'numericString',
        self::TYPE_PRINTABLE_STRING     => 'printableString',
        self::TYPE_TELETEX_STRING       => 'teletexString',
        self::TYPE_VIDEOTEX_STRING      => 'videotexString',
        self::TYPE_IA5_STRING           => 'ia5String',
        self::TYPE_UTC_TIME             => 'utcTime',
        self::TYPE_GENERALIZED_TIME     => 'generalTime',
        self::TYPE_GRAPHIC_STRING       => 'graphicString',
        self::TYPE_VISIBLE_STRING       => 'visibleString',
        self::TYPE_GENERAL_STRING       => 'generalString',
        self::TYPE_UNIVERSAL_STRING     => 'universalString',
        //self::TYPE_CHARACTER_STRING     => 'characterString',
        self::TYPE_BMP_STRING           => 'bmpString'
    ];

    /**
     * String type to character size mapping table.
     *
     * Non-convertable types are absent from this table.
     * size == 0 indicates variable length encoding.
     *
     * @var array
     * @access public
     */
    const STRING_TYPE_SIZE = [
        self::TYPE_UTF8_STRING      => 0,
        self::TYPE_BMP_STRING       => 2,
        self::TYPE_UNIVERSAL_STRING => 4,
        self::TYPE_PRINTABLE_STRING => 1,
        self::TYPE_TELETEX_STRING   => 1,
        self::TYPE_IA5_STRING       => 1,
        self::TYPE_VISIBLE_STRING   => 1,
    ];

    /**
     * Parse BER-encoding
     *
     * Serves a similar purpose to openssl's asn1parse
     *
     * @param Element|string $encoded
     * @return array
     * @access public
     */
    public static function decodeBER($encoded)
    {
        if ($encoded instanceof Element) {
            $encoded = $encoded->element;
        }

        self::$encoded = $encoded;

        $decoded = [self::decode_ber($encoded)];

        // encapsulate in an array for BC with the old decodeBER
        return $decoded;
    }

    /**
     * Parse BER-encoding (Helper function)
     *
     * Sometimes we want to get the BER encoding of a particular tag.  $start lets us do that without having to reencode.
     * $encoded is passed by reference for the recursive calls done for self::TYPE_BIT_STRING and
     * self::TYPE_OCTET_STRING. In those cases, the indefinite length is used.
     *
     * @param string $encoded
     * @param int $start
     * @param int $encoded_pos
     * @return array|bool
     * @access private
     */
    private static function decode_ber($encoded, $start = 0, $encoded_pos = 0)
    {
        $current = ['start' => $start];

        if (!isset($encoded[$encoded_pos])) {
            return false;
        }
        $type = ord($encoded[$encoded_pos++]);
        $startOffset = 1;

        $constructed = ($type >> 5) & 1;

        $tag = $type & 0x1F;
        if ($tag == 0x1F) {
            $tag = 0;
            // process septets (since the eighth bit is ignored, it's not an octet)
            do {
                if (!isset($encoded[$encoded_pos])) {
                    return false;
                }
                $temp = ord($encoded[$encoded_pos++]);
                $startOffset++;
                $loop = $temp >> 7;
                $tag <<= 7;
                $temp &= 0x7F;
                // "bits 7 to 1 of the first subsequent octet shall not all be zero"
                if ($startOffset == 2 && $temp == 0) {
                    return false;
                }
                $tag |= $temp;
            } while ($loop);
        }

        $start += $startOffset;

        // Length, as discussed in paragraph 8.1.3 of X.690-0207.pdf#page=13
        if (!isset($encoded[$encoded_pos])) {
            return false;
        }
        $length = ord($encoded[$encoded_pos++]);
        $start++;
        if ($length == 0x80) { // indefinite length
            // "[A sender shall] use the indefinite form (see 8.1.3.6) if the encoding is constructed and is not all
            //  immediately available." -- paragraph 8.1.3.2.c
            $length = strlen($encoded) - $encoded_pos;
        } elseif ($length & 0x80) { // definite length, long form
            // technically, the long form of the length can be represented by up to 126 octets (bytes), but we'll only
            // support it up to four.
            $length &= 0x7F;
            $temp = substr($encoded, $encoded_pos, $length);
            $encoded_pos += $length;
            // tags of indefinte length don't really have a header length; this length includes the tag
            $current += ['headerlength' => $length + 2];
            $start += $length;
            extract(unpack('Nlength', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4)));
            /** @var integer $length */
        } else {
            $current += ['headerlength' => 2];
        }

        if ($length > (strlen($encoded) - $encoded_pos)) {
            return false;
        }

        $content = substr($encoded, $encoded_pos, $length);
        $content_pos = 0;

        // at this point $length can be overwritten. it's only accurate for definite length things as is

        /* Class is UNIVERSAL, APPLICATION, PRIVATE, or CONTEXT-SPECIFIC. The UNIVERSAL class is restricted to the ASN.1
           built-in types. It defines an application-independent data type that must be distinguishable from all other
           data types. The other three classes are user defined. The APPLICATION class distinguishes data types that
           have a wide, scattered use within a particular presentation context. PRIVATE distinguishes data types within
           a particular organization or country. CONTEXT-SPECIFIC distinguishes members of a sequence or set, the
           alternatives of a CHOICE, or universally tagged set members. Only the class number appears in braces for this
           data type; the term CONTEXT-SPECIFIC does not appear.

             -- http://www.obj-sys.com/asn1tutorial/node12.html */
        $class = ($type >> 6) & 3;
        switch ($class) {
            case self::CLASS_APPLICATION:
            case self::CLASS_PRIVATE:
            case self::CLASS_CONTEXT_SPECIFIC:
                if (!$constructed) {
                    return [
                        'type'     => $class,
                        'constant' => $tag,
                        'content'  => $content,
                        'length'   => $length + $start - $current['start']
                    ] + $current;
                }

                $newcontent = [];
                $remainingLength = $length;
                while ($remainingLength > 0) {
                    $temp = self::decode_ber($content, $start, $content_pos);
                    if ($temp === false) {
                        break;
                    }
                    $length = $temp['length'];
                    // end-of-content octets - see paragraph 8.1.5
                    if (substr($content, $content_pos + $length, 2) == "\0\0") {
                        $length += 2;
                        $start += $length;
                        $newcontent[] = $temp;
                        break;
                    }
                    $start += $length;
                    $remainingLength -= $length;
                    $newcontent[] = $temp;
                    $content_pos += $length;
                }

                return [
                    'type'     => $class,
                    'constant' => $tag,
                    // the array encapsulation is for BC with the old format
                    'content'  => $newcontent,
                    // the only time when $content['headerlength'] isn't defined is when the length is indefinite.
                    // the absence of $content['headerlength'] is how we know if something is indefinite or not.
                    // technically, it could be defined to be 2 and then another indicator could be used but whatever.
                    'length'   => $start - $current['start']
                ] + $current;
        }

        $current += ['type' => $tag];

        // decode UNIVERSAL tags
        switch ($tag) {
            case self::TYPE_BOOLEAN:
                // "The contents octets shall consist of a single octet." -- paragraph 8.2.1
                if ($constructed || strlen($content) != 1) {
                    return false;
                }
                $current['content'] = (bool) ord($content[$content_pos]);
                break;
            case self::TYPE_INTEGER:
            case self::TYPE_ENUMERATED:
                if ($constructed) {
                    return false;
                }
                $current['content'] = new BigInteger(substr($content, $content_pos), -256);
                break;
            case self::TYPE_REAL: // not currently supported
                return false;
            case self::TYPE_BIT_STRING:
                // The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit,
                // the number of unused bits in the final subsequent octet. The number shall be in the range zero to
                // seven.
                if (!$constructed) {
                    $current['content'] = substr($content, $content_pos);
                } else {
                    $temp = self::decode_ber($content, $start, $content_pos);
                    if ($temp === false) {
                        return false;
                    }
                    $length -= (strlen($content) - $content_pos);
                    $last = count($temp) - 1;
                    for ($i = 0; $i < $last; $i++) {
                        // all subtags should be bit strings
                        if ($temp[$i]['type'] != self::TYPE_BIT_STRING) {
                            return false;
                        }
                        $current['content'] .= substr($temp[$i]['content'], 1);
                    }
                    // all subtags should be bit strings
                    if ($temp[$last]['type'] != self::TYPE_BIT_STRING) {
                        return false;
                    }
                    $current['content'] = $temp[$last]['content'][0] . $current['content'] . substr($temp[$i]['content'], 1);
                }
                break;
            case self::TYPE_OCTET_STRING:
                if (!$constructed) {
                    $current['content'] = substr($content, $content_pos);
                } else {
                    $current['content'] = '';
                    $length = 0;
                    while (substr($content, $content_pos, 2) != "\0\0") {
                        $temp = self::decode_ber($content, $length + $start, $content_pos);
                        if ($temp === false) {
                            return false;
                        }
                        $content_pos += $temp['length'];
                        // all subtags should be octet strings
                        if ($temp['type'] != self::TYPE_OCTET_STRING) {
                            return false;
                        }
                        $current['content'] .= $temp['content'];
                        $length += $temp['length'];
                    }
                    if (substr($content, $content_pos, 2) == "\0\0") {
                        $length += 2; // +2 for the EOC
                    }
                }
                break;
            case self::TYPE_NULL:
                // "The contents octets shall not contain any octets." -- paragraph 8.8.2
                if ($constructed || strlen($content)) {
                    return false;
                }
                break;
            case self::TYPE_SEQUENCE:
            case self::TYPE_SET:
                if (!$constructed) {
                    return false;
                }
                $offset = 0;
                $current['content'] = [];
                $content_len = strlen($content);
                while ($content_pos < $content_len) {
                    // if indefinite length construction was used and we have an end-of-content string next
                    // see paragraphs 8.1.1.3, 8.1.3.2, 8.1.3.6, 8.1.5, and (for an example) 8.6.4.2
                    if (!isset($current['headerlength']) && substr($content, $content_pos, 2) == "\0\0") {
                        $length = $offset + 2; // +2 for the EOC
                        break 2;
                    }
                    $temp = self::decode_ber($content, $start + $offset, $content_pos);
                    if ($temp === false) {
                        return false;
                    }
                    $content_pos += $temp['length'];
                    $current['content'][] = $temp;
                    $offset += $temp['length'];
                }
                break;
            case self::TYPE_OBJECT_IDENTIFIER:
                if ($constructed) {
                    return false;
                }
                $current['content'] = self::decodeOID(substr($content, $content_pos));
                if ($current['content'] === false) {
                    return false;
                }
                break;
            /* Each character string type shall be encoded as if it had been declared:
               [UNIVERSAL x] IMPLICIT OCTET STRING

                 -- X.690-0207.pdf#page=23 (paragraph 8.21.3)

               Per that, we're not going to do any validation.  If there are any illegal characters in the string,
               we don't really care */
            case self::TYPE_NUMERIC_STRING:
                // 0,1,2,3,4,5,6,7,8,9, and space
            case self::TYPE_PRINTABLE_STRING:
                // Upper and lower case letters, digits, space, apostrophe, left/right parenthesis, plus sign, comma,
                // hyphen, full stop, solidus, colon, equal sign, question mark
            case self::TYPE_TELETEX_STRING:
                // The Teletex character set in CCITT's T61, space, and delete
                // see http://en.wikipedia.org/wiki/Teletex#Character_sets
            case self::TYPE_VIDEOTEX_STRING:
                // The Videotex character set in CCITT's T.100 and T.101, space, and delete
            case self::TYPE_VISIBLE_STRING:
                // Printing character sets of international ASCII, and space
            case self::TYPE_IA5_STRING:
                // International Alphabet 5 (International ASCII)
            case self::TYPE_GRAPHIC_STRING:
                // All registered G sets, and space
            case self::TYPE_GENERAL_STRING:
                // All registered C and G sets, space and delete
            case self::TYPE_UTF8_STRING:
                // ????
            case self::TYPE_BMP_STRING:
                if ($constructed) {
                    return false;
                }
                $current['content'] = substr($content, $content_pos);
                break;
            case self::TYPE_UTC_TIME:
            case self::TYPE_GENERALIZED_TIME:
                if ($constructed) {
                    return false;
                }
                $current['content'] = self::decodeTime(substr($content, $content_pos), $tag);
                break;
            default:
                return false;
        }

        $start += $length;

        // ie. length is the length of the full TLV encoding - it's not just the length of the value
        return $current + ['length' => $start - $current['start']];
    }

    /**
     * ASN.1 Map
     *
     * Provides an ASN.1 semantic mapping ($mapping) from a parsed BER-encoding to a human readable format.
     *
     * "Special" mappings may be applied on a per tag-name basis via $special.
     *
     * @param array $decoded
     * @param array $mapping
     * @param array $special
     * @return array|bool|Element|string|null
     * @access public
     */
    public static function asn1map($decoded, $mapping, $special = [])
    {
        if (!is_array($decoded)) {
            return false;
        }

        if (isset($mapping['explicit']) && is_array($decoded['content'])) {
            $decoded = $decoded['content'][0];
        }

        switch (true) {
            case $mapping['type'] == self::TYPE_ANY:
                $intype = $decoded['type'];
                // !isset(self::ANY_MAP[$intype]) produces a fatal error on PHP 5.6
                if (isset($decoded['constant']) || !array_key_exists($intype, self::ANY_MAP) || (ord(self::$encoded[$decoded['start']]) & 0x20)) {
                    return new Element(substr(self::$encoded, $decoded['start'], $decoded['length']));
                }
                $inmap = self::ANY_MAP[$intype];
                if (is_string($inmap)) {
                    return [$inmap => self::asn1map($decoded, ['type' => $intype] + $mapping, $special)];
                }
                break;
            case $mapping['type'] == self::TYPE_CHOICE:
                foreach ($mapping['children'] as $key => $option) {
                    switch (true) {
                        case isset($option['constant']) && $option['constant'] == $decoded['constant']:
                        case !isset($option['constant']) && $option['type'] == $decoded['type']:
                            $value = self::asn1map($decoded, $option, $special);
                            break;
                        case !isset($option['constant']) && $option['type'] == self::TYPE_CHOICE:
                            $v = self::asn1map($decoded, $option, $special);
                            if (isset($v)) {
                                $value = $v;
                            }
                    }
                    if (isset($value)) {
                        if (isset($special[$key])) {
                            $value = $special[$key]($value);
                        }
                        return [$key => $value];
                    }
                }
                return null;
            case isset($mapping['implicit']):
            case isset($mapping['explicit']):
            case $decoded['type'] == $mapping['type']:
                break;
            default:
                // if $decoded['type'] and $mapping['type'] are both strings, but different types of strings,
                // let it through
                switch (true) {
                    case $decoded['type'] < 18: // self::TYPE_NUMERIC_STRING == 18
                    case $decoded['type'] > 30: // self::TYPE_BMP_STRING == 30
                    case $mapping['type'] < 18:
                    case $mapping['type'] > 30:
                        return null;
                }
        }

        if (isset($mapping['implicit'])) {
            $decoded['type'] = $mapping['type'];
        }

        switch ($decoded['type']) {
            case self::TYPE_SEQUENCE:
                $map = [];

                // ignore the min and max
                if (isset($mapping['min']) && isset($mapping['max'])) {
                    $child = $mapping['children'];
                    foreach ($decoded['content'] as $content) {
                        if (($map[] = self::asn1map($content, $child, $special)) === null) {
                            return null;
                        }
                    }

                    return $map;
                }

                $n = count($decoded['content']);
                $i = 0;

                foreach ($mapping['children'] as $key => $child) {
                    $maymatch = $i < $n; // Match only existing input.
                    if ($maymatch) {
                        $temp = $decoded['content'][$i];

                        if ($child['type'] != self::TYPE_CHOICE) {
                            // Get the mapping and input class & constant.
                            $childClass = $tempClass = self::CLASS_UNIVERSAL;
                            $constant = null;
                            if (isset($temp['constant'])) {
                                $tempClass = $temp['type'];
                            }
                            if (isset($child['class'])) {
                                $childClass = $child['class'];
                                $constant = $child['cast'];
                            } elseif (isset($child['constant'])) {
                                $childClass = self::CLASS_CONTEXT_SPECIFIC;
                                $constant = $child['constant'];
                            }

                            if (isset($constant) && isset($temp['constant'])) {
                                // Can only match if constants and class match.
                                $maymatch = $constant == $temp['constant'] && $childClass == $tempClass;
                            } else {
                                // Can only match if no constant expected and type matches or is generic.
                                $maymatch = !isset($child['constant']) && array_search($child['type'], [$temp['type'], self::TYPE_ANY, self::TYPE_CHOICE]) !== false;
                            }
                        }
                    }

                    if ($maymatch) {
                        // Attempt submapping.
                        $candidate = self::asn1map($temp, $child, $special);
                        $maymatch = $candidate !== null;
                    }

                    if ($maymatch) {
                        // Got the match: use it.
                        if (isset($special[$key])) {
                            $candidate = $special[$key]($candidate);
                        }
                        $map[$key] = $candidate;
                        $i++;
                    } elseif (isset($child['default'])) {
                        $map[$key] = $child['default'];
                    } elseif (!isset($child['optional'])) {
                        return null; // Syntax error.
                    }
                }

                // Fail mapping if all input items have not been consumed.
                return $i < $n ? null : $map;

            // the main diff between sets and sequences is the encapsulation of the foreach in another for loop
            case self::TYPE_SET:
                $map = [];

                // ignore the min and max
                if (isset($mapping['min']) && isset($mapping['max'])) {
                    $child = $mapping['children'];
                    foreach ($decoded['content'] as $content) {
                        if (($map[] = self::asn1map($content, $child, $special)) === null) {
                            return null;
                        }
                    }

                    return $map;
                }

                for ($i = 0; $i < count($decoded['content']); $i++) {
                    $temp = $decoded['content'][$i];
                    $tempClass = self::CLASS_UNIVERSAL;
                    if (isset($temp['constant'])) {
                        $tempClass = $temp['type'];
                    }

                    foreach ($mapping['children'] as $key => $child) {
                        if (isset($map[$key])) {
                            continue;
                        }
                        $maymatch = true;
                        if ($child['type'] != self::TYPE_CHOICE) {
                            $childClass = self::CLASS_UNIVERSAL;
                            $constant = null;
                            if (isset($child['class'])) {
                                $childClass = $child['class'];
                                $constant = $child['cast'];
                            } elseif (isset($child['constant'])) {
                                $childClass = self::CLASS_CONTEXT_SPECIFIC;
                                $constant = $child['constant'];
                            }

                            if (isset($constant) && isset($temp['constant'])) {
                                // Can only match if constants and class match.
                                $maymatch = $constant == $temp['constant'] && $childClass == $tempClass;
                            } else {
                                // Can only match if no constant expected and type matches or is generic.
                                $maymatch = !isset($child['constant']) && array_search($child['type'], [$temp['type'], self::TYPE_ANY, self::TYPE_CHOICE]) !== false;
                            }
                        }

                        if ($maymatch) {
                            // Attempt submapping.
                            $candidate = self::asn1map($temp, $child, $special);
                            $maymatch = $candidate !== null;
                        }

                        if (!$maymatch) {
                            break;
                        }

                        // Got the match: use it.
                        if (isset($special[$key])) {
                            $candidate = $special[$key]($candidate);
                        }
                        $map[$key] = $candidate;
                        break;
                    }
                }

                foreach ($mapping['children'] as $key => $child) {
                    if (!isset($map[$key])) {
                        if (isset($child['default'])) {
                            $map[$key] = $child['default'];
                        } elseif (!isset($child['optional'])) {
                            return null;
                        }
                    }
                }
                return $map;
            case self::TYPE_OBJECT_IDENTIFIER:
                return isset(self::$oids[$decoded['content']]) ? self::$oids[$decoded['content']] : $decoded['content'];
            case self::TYPE_UTC_TIME:
            case self::TYPE_GENERALIZED_TIME:
                // for explicitly tagged optional stuff
                if (is_array($decoded['content'])) {
                    $decoded['content'] = $decoded['content'][0]['content'];
                }
                // for implicitly tagged optional stuff
                // in theory, doing isset($mapping['implicit']) would work but malformed certs do exist
                // in the wild that OpenSSL decodes without issue so we'll support them as well
                if (!is_object($decoded['content'])) {
                    $decoded['content'] = self::decodeTime($decoded['content'], $decoded['type']);
                }
                return $decoded['content'] ? $decoded['content']->format(self::$format) : false;
            case self::TYPE_BIT_STRING:
                if (isset($mapping['mapping'])) {
                    $offset = ord($decoded['content'][0]);
                    $size = (strlen($decoded['content']) - 1) * 8 - $offset;
                    /*
                       From X.680-0207.pdf#page=46 (21.7):

                       "When a "NamedBitList" is used in defining a bitstring type ASN.1 encoding rules are free to add (or remove)
                        arbitrarily any trailing 0 bits to (or from) values that are being encoded or decoded. Application designers should
                        therefore ensure that different semantics are not associated with such values which differ only in the number of trailing
                        0 bits."
                    */
                    $bits = count($mapping['mapping']) == $size ? [] : array_fill(0, count($mapping['mapping']) - $size, false);
                    for ($i = strlen($decoded['content']) - 1; $i > 0; $i--) {
                        $current = ord($decoded['content'][$i]);
                        for ($j = $offset; $j < 8; $j++) {
                            $bits[] = (bool) ($current & (1 << $j));
                        }
                        $offset = 0;
                    }
                    $values = [];
                    $map = array_reverse($mapping['mapping']);
                    foreach ($map as $i => $value) {
                        if ($bits[$i]) {
                            $values[] = $value;
                        }
                    }
                    return $values;
                }
                // fall-through
            case self::TYPE_OCTET_STRING:
                return $decoded['content'];
            case self::TYPE_NULL:
                return '';
            case self::TYPE_BOOLEAN:
            case self::TYPE_NUMERIC_STRING:
            case self::TYPE_PRINTABLE_STRING:
            case self::TYPE_TELETEX_STRING:
            case self::TYPE_VIDEOTEX_STRING:
            case self::TYPE_IA5_STRING:
            case self::TYPE_GRAPHIC_STRING:
            case self::TYPE_VISIBLE_STRING:
            case self::TYPE_GENERAL_STRING:
            case self::TYPE_UNIVERSAL_STRING:
            case self::TYPE_UTF8_STRING:
            case self::TYPE_BMP_STRING:
                return $decoded['content'];
            case self::TYPE_INTEGER:
            case self::TYPE_ENUMERATED:
                $temp = $decoded['content'];
                if (isset($mapping['implicit'])) {
                    $temp = new BigInteger($decoded['content'], -256);
                }
                if (isset($mapping['mapping'])) {
                    $temp = (int) $temp->toString();
                    return isset($mapping['mapping'][$temp]) ?
                        $mapping['mapping'][$temp] :
                        false;
                }
                return $temp;
        }
    }

    /**
     * DER-decode the length
     *
     * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4.  See
     * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
     *
     * @access public
     * @param string $string
     * @return int
     */
    public static function decodeLength(&$string)
    {
        $length = ord(Strings::shift($string));
        if ($length & 0x80) { // definite length, long form
            $length &= 0x7F;
            $temp = Strings::shift($string, $length);
            list(, $length) = unpack('N', substr(str_pad($temp, 4, chr(0), STR_PAD_LEFT), -4));
        }
        return $length;
    }

    /**
     * ASN.1 Encode
     *
     * DER-encodes an ASN.1 semantic mapping ($mapping).  Some libraries would probably call this function
     * an ASN.1 compiler.
     *
     * "Special" mappings can be applied via $special.
     *
     * @param Element|string|array $source
     * @param array $mapping
     * @param array $special
     * @return string
     * @access public
     */
    public static function encodeDER($source, $mapping, $special = [])
    {
        self::$location = [];
        return self::encode_der($source, $mapping, null, $special);
    }

    /**
     * ASN.1 Encode (Helper function)
     *
     * @param Element|string|array|null $source
     * @param array $mapping
     * @param int $idx
     * @param array $special
     * @return string
     * @access private
     */
    private static function encode_der($source, $mapping, $idx = null, $special = [])
    {
        if ($source instanceof Element) {
            return $source->element;
        }

        // do not encode (implicitly optional) fields with value set to default
        if (isset($mapping['default']) && $source === $mapping['default']) {
            return '';
        }

        if (isset($idx)) {
            if (isset($special[$idx])) {
                $source = $special[$idx]($source);
            }
            self::$location[] = $idx;
        }

        $tag = $mapping['type'];

        switch ($tag) {
            case self::TYPE_SET:    // Children order is not important, thus process in sequence.
            case self::TYPE_SEQUENCE:
                $tag |= 0x20; // set the constructed bit

                // ignore the min and max
                if (isset($mapping['min']) && isset($mapping['max'])) {
                    $value = [];
                    $child = $mapping['children'];

                    foreach ($source as $content) {
                        $temp = self::encode_der($content, $child, null, $special);
                        if ($temp === false) {
                            return false;
                        }
                        $value[] = $temp;
                    }
                    /* "The encodings of the component values of a set-of value shall appear in ascending order, the encodings being compared
                        as octet strings with the shorter components being padded at their trailing end with 0-octets.
                        NOTE - The padding octets are for comparison purposes only and do not appear in the encodings."

                       -- sec 11.6 of http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf  */
                    if ($mapping['type'] == self::TYPE_SET) {
                        sort($value);
                    }
                    $value = implode('', $value);
                    break;
                }

                $value = '';
                foreach ($mapping['children'] as $key => $child) {
                    if (!array_key_exists($key, $source)) {
                        if (!isset($child['optional'])) {
                            return false;
                        }
                        continue;
                    }

                    $temp = self::encode_der($source[$key], $child, $key, $special);
                    if ($temp === false) {
                        return false;
                    }

                    // An empty child encoding means it has been optimized out.
                    // Else we should have at least one tag byte.
                    if ($temp === '') {
                        continue;
                    }

                    // if isset($child['constant']) is true then isset($child['optional']) should be true as well
                    if (isset($child['constant'])) {
                        /*
                           From X.680-0207.pdf#page=58 (30.6):

                           "The tagging construction specifies explicit tagging if any of the following holds:
                            ...
                            c) the "Tag Type" alternative is used and the value of "TagDefault" for the module is IMPLICIT TAGS or
                            AUTOMATIC TAGS, but the type defined by "Type" is an untagged choice type, an untagged open type, or
                            an untagged "DummyReference" (see ITU-T Rec. X.683 | ISO/IEC 8824-4, 8.3)."
                         */
                        if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) {
                            $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']);
                            $temp = $subtag . self::encodeLength(strlen($temp)) . $temp;
                        } else {
                            $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']);
                            $temp = $subtag . substr($temp, 1);
                        }
                    }
                    $value .= $temp;
                }
                break;
            case self::TYPE_CHOICE:
                $temp = false;

                foreach ($mapping['children'] as $key => $child) {
                    if (!isset($source[$key])) {
                        continue;
                    }

                    $temp = self::encode_der($source[$key], $child, $key, $special);
                    if ($temp === false) {
                        return false;
                    }

                    // An empty child encoding means it has been optimized out.
                    // Else we should have at least one tag byte.
                    if ($temp === '') {
                        continue;
                    }

                    $tag = ord($temp[0]);

                    // if isset($child['constant']) is true then isset($child['optional']) should be true as well
                    if (isset($child['constant'])) {
                        if (isset($child['explicit']) || $child['type'] == self::TYPE_CHOICE) {
                            $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | 0x20 | $child['constant']);
                            $temp = $subtag . self::encodeLength(strlen($temp)) . $temp;
                        } else {
                            $subtag = chr((self::CLASS_CONTEXT_SPECIFIC << 6) | (ord($temp[0]) & 0x20) | $child['constant']);
                            $temp = $subtag . substr($temp, 1);
                        }
                    }
                }

                if (isset($idx)) {
                    array_pop(self::$location);
                }

                if ($temp && isset($mapping['cast'])) {
                    $temp[0] = chr(($mapping['class'] << 6) | ($tag & 0x20) | $mapping['cast']);
                }

                return $temp;
            case self::TYPE_INTEGER:
            case self::TYPE_ENUMERATED:
                if (!isset($mapping['mapping'])) {
                    if (is_numeric($source)) {
                        $source = new BigInteger($source);
                    }
                    $value = $source->toBytes(true);
                } else {
                    $value = array_search($source, $mapping['mapping']);
                    if ($value === false) {
                        return false;
                    }
                    $value = new BigInteger($value);
                    $value = $value->toBytes(true);
                }
                if (!strlen($value)) {
                    $value = chr(0);
                }
                break;
            case self::TYPE_UTC_TIME:
            case self::TYPE_GENERALIZED_TIME:
                $format = $mapping['type'] == self::TYPE_UTC_TIME ? 'y' : 'Y';
                $format .= 'mdHis';
                // if $source does _not_ include timezone information within it then assume that the timezone is GMT
                $date = new \DateTime($source, new \DateTimeZone('GMT'));
                // if $source _does_ include timezone information within it then convert the time to GMT
                $date->setTimezone(new \DateTimeZone('GMT'));
                $value = $date->format($format) . 'Z';
                break;
            case self::TYPE_BIT_STRING:
                if (isset($mapping['mapping'])) {
                    $bits = array_fill(0, count($mapping['mapping']), 0);
                    $size = 0;
                    for ($i = 0; $i < count($mapping['mapping']); $i++) {
                        if (in_array($mapping['mapping'][$i], $source)) {
                            $bits[$i] = 1;
                            $size = $i;
                        }
                    }

                    if (isset($mapping['min']) && $mapping['min'] >= 1 && $size < $mapping['min']) {
                        $size = $mapping['min'] - 1;
                    }

                    $offset = 8 - (($size + 1) & 7);
                    $offset = $offset !== 8 ? $offset : 0;

                    $value = chr($offset);

                    for ($i = $size + 1; $i < count($mapping['mapping']); $i++) {
                        unset($bits[$i]);
                    }

                    $bits = implode('', array_pad($bits, $size + $offset + 1, 0));
                    $bytes = explode(' ', rtrim(chunk_split($bits, 8, ' ')));
                    foreach ($bytes as $byte) {
                        $value .= chr(bindec($byte));
                    }

                    break;
                }
                // fall-through
            case self::TYPE_OCTET_STRING:
                /* The initial octet shall encode, as an unsigned binary integer with bit 1 as the least significant bit,
                   the number of unused bits in the final subsequent octet. The number shall be in the range zero to seven.

                   -- http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=16 */
                $value = $source;
                break;
            case self::TYPE_OBJECT_IDENTIFIER:
                $value = self::encodeOID($source);
                break;
            case self::TYPE_ANY:
                $loc = self::$location;
                if (isset($idx)) {
                    array_pop(self::$location);
                }

                switch (true) {
                    case !isset($source):
                        return self::encode_der(null, ['type' => self::TYPE_NULL] + $mapping, null, $special);
                    case is_int($source):
                    case $source instanceof BigInteger:
                        return self::encode_der($source, ['type' => self::TYPE_INTEGER] + $mapping, null, $special);
                    case is_float($source):
                        return self::encode_der($source, ['type' => self::TYPE_REAL] + $mapping, null, $special);
                    case is_bool($source):
                        return self::encode_der($source, ['type' => self::TYPE_BOOLEAN] + $mapping, null, $special);
                    case is_array($source) && count($source) == 1:
                        $typename = implode('', array_keys($source));
                        $outtype = array_search($typename, self::ANY_MAP, true);
                        if ($outtype !== false) {
                            return self::encode_der($source[$typename], ['type' => $outtype] + $mapping, null, $special);
                        }
                }

                $filters = self::$filters;
                foreach ($loc as $part) {
                    if (!isset($filters[$part])) {
                        $filters = false;
                        break;
                    }
                    $filters = $filters[$part];
                }
                if ($filters === false) {
                    throw new \RuntimeException('No filters defined for ' . implode('/', $loc));
                }
                return self::encode_der($source, $filters + $mapping, null, $special);
            case self::TYPE_NULL:
                $value = '';
                break;
            case self::TYPE_NUMERIC_STRING:
            case self::TYPE_TELETEX_STRING:
            case self::TYPE_PRINTABLE_STRING:
            case self::TYPE_UNIVERSAL_STRING:
            case self::TYPE_UTF8_STRING:
            case self::TYPE_BMP_STRING:
            case self::TYPE_IA5_STRING:
            case self::TYPE_VISIBLE_STRING:
            case self::TYPE_VIDEOTEX_STRING:
            case self::TYPE_GRAPHIC_STRING:
            case self::TYPE_GENERAL_STRING:
                $value = $source;
                break;
            case self::TYPE_BOOLEAN:
                $value = $source ? "\xFF" : "\x00";
                break;
            default:
                throw new \RuntimeException('Mapping provides no type definition for ' . implode('/', self::$location));
        }

        if (isset($idx)) {
            array_pop(self::$location);
        }

        if (isset($mapping['cast'])) {
            if (isset($mapping['explicit']) || $mapping['type'] == self::TYPE_CHOICE) {
                $value = chr($tag) . self::encodeLength(strlen($value)) . $value;
                $tag = ($mapping['class'] << 6) | 0x20 | $mapping['cast'];
            } else {
                $tag = ($mapping['class'] << 6) | (ord($temp[0]) & 0x20) | $mapping['cast'];
            }
        }

        return chr($tag) . self::encodeLength(strlen($value)) . $value;
    }

    /**
     * BER-decode the OID
     *
     * Called by _decode_ber()
     *
     * @access public
     * @param string $content
     * @return string
     */
    public static function decodeOID($content)
    {
        static $eighty;
        if (!$eighty) {
            $eighty = new BigInteger(80);
        }

        $oid = [];
        $pos = 0;
        $len = strlen($content);

        if (ord($content[$len - 1]) & 0x80) {
            return false;
        }

        $n = new BigInteger();
        while ($pos < $len) {
            $temp = ord($content[$pos++]);
            $n = $n->bitwise_leftShift(7);
            $n = $n->bitwise_or(new BigInteger($temp & 0x7F));
            if (~$temp & 0x80) {
                $oid[] = $n;
                $n = new BigInteger();
            }
        }
        $part1 = array_shift($oid);
        $first = floor(ord($content[0]) / 40);
        /*
          "This packing of the first two object identifier components recognizes that only three values are allocated from the root
           node, and at most 39 subsequent values from nodes reached by X = 0 and X = 1."

          -- https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=22
        */
        if ($first <= 2) { // ie. 0 <= ord($content[0]) < 120 (0x78)
            array_unshift($oid, ord($content[0]) % 40);
            array_unshift($oid, $first);
        } else {
            array_unshift($oid, $part1->subtract($eighty));
            array_unshift($oid, 2);
        }

        return implode('.', $oid);
    }

    /**
     * DER-encode the OID
     *
     * Called by _encode_der()
     *
     * @access public
     * @param string $source
     * @return string
     */
    public static function encodeOID($source)
    {
        static $mask, $zero, $forty;
        if (!$mask) {
            $mask = new BigInteger(0x7F);
            $zero = new BigInteger();
            $forty = new BigInteger(40);
        }

        if (!preg_match('#(?:\d+\.)+#', $source)) {
            $oid = isset(self::$reverseOIDs[$source]) ? self::$reverseOIDs[$source] : false;
        } else {
            $oid = $source;
        }
        if ($oid === false) {
            throw new \RuntimeException('Invalid OID');
        }

        $parts = explode('.', $oid);
        $part1 = array_shift($parts);
        $part2 = array_shift($parts);

        $first = new BigInteger($part1);
        $first = $first->multiply($forty);
        $first = $first->add(new BigInteger($part2));

        array_unshift($parts, $first->toString());

        $value = '';
        foreach ($parts as $part) {
            if (!$part) {
                $temp = "\0";
            } else {
                $temp = '';
                $part = new BigInteger($part);
                while (!$part->equals($zero)) {
                    $submask = $part->bitwise_and($mask);
                    $submask->setPrecision(8);
                    $temp = (chr(0x80) | $submask->toBytes()) . $temp;
                    $part = $part->bitwise_rightShift(7);
                }
                $temp[strlen($temp) - 1] = $temp[strlen($temp) - 1] & chr(0x7F);
            }
            $value .= $temp;
        }

        return $value;
    }

    /**
     * BER-decode the time
     *
     * Called by _decode_ber() and in the case of implicit tags asn1map().
     *
     * @access private
     * @param string $content
     * @param int $tag
     * @return \DateTime|false
     */
    private static function decodeTime($content, $tag)
    {
        /* UTCTime:
           http://tools.ietf.org/html/rfc5280#section-4.1.2.5.1
           http://www.obj-sys.com/asn1tutorial/node15.html

           GeneralizedTime:
           http://tools.ietf.org/html/rfc5280#section-4.1.2.5.2
           http://www.obj-sys.com/asn1tutorial/node14.html */

        $format = 'YmdHis';

        if ($tag == self::TYPE_UTC_TIME) {
            // https://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#page=28 says "the seconds
            // element shall always be present" but none-the-less I've seen X509 certs where it isn't and if the
            // browsers parse it phpseclib ought to too
            if (preg_match('#^(\d{10})(Z|[+-]\d{4})$#', $content, $matches)) {
                $content = $matches[1] . '00' . $matches[2];
            }
            $prefix = substr($content, 0, 2) >= 50 ? '19' : '20';
            $content = $prefix . $content;
        } elseif (strpos($content, '.') !== false) {
            $format .= '.u';
        }

        if ($content[strlen($content) - 1] == 'Z') {
            $content = substr($content, 0, -1) . '+0000';
        }

        if (strpos($content, '-') !== false || strpos($content, '+') !== false) {
            $format .= 'O';
        }

        // error supression isn't necessary as of PHP 7.0:
        // http://php.net/manual/en/migration70.other-changes.php
        return @\DateTime::createFromFormat($format, $content);
    }

    /**
     * Set the time format
     *
     * Sets the time / date format for asn1map().
     *
     * @access public
     * @param string $format
     */
    public static function setTimeFormat($format)
    {
        self::$format = $format;
    }

    /**
     * Load OIDs
     *
     * Load the relevant OIDs for a particular ASN.1 semantic mapping.
     * Previously loaded OIDs are retained.
     *
     * @access public
     * @param array $oids
     */
    public static function loadOIDs($oids)
    {
        self::$reverseOIDs += $oids;
        self::$oids = array_flip(self::$reverseOIDs);
    }

    /**
     * Set filters
     *
     * See \phpseclib3\File\X509, etc, for an example.
     * Previously loaded filters are not retained.
     *
     * @access public
     * @param array $filters
     */
    public static function setFilters($filters)
    {
        self::$filters = $filters;
    }

    /**
     * String type conversion
     *
     * This is a lazy conversion, dealing only with character size.
     * No real conversion table is used.
     *
     * @param string $in
     * @param int $from
     * @param int $to
     * @return string
     * @access public
     */
    public static function convert($in, $from = self::TYPE_UTF8_STRING, $to = self::TYPE_UTF8_STRING)
    {
        // isset(self::STRING_TYPE_SIZE[$from] returns a fatal error on PHP 5.6
        if (!array_key_exists($from, self::STRING_TYPE_SIZE) || !array_key_exists($to, self::STRING_TYPE_SIZE)) {
            return false;
        }
        $insize = self::STRING_TYPE_SIZE[$from];
        $outsize = self::STRING_TYPE_SIZE[$to];
        $inlength = strlen($in);
        $out = '';

        for ($i = 0; $i < $inlength;) {
            if ($inlength - $i < $insize) {
                return false;
            }

            // Get an input character as a 32-bit value.
            $c = ord($in[$i++]);
            switch (true) {
                case $insize == 4:
                    $c = ($c << 8) | ord($in[$i++]);
                    $c = ($c << 8) | ord($in[$i++]);
                    // fall-through
                case $insize == 2:
                    $c = ($c << 8) | ord($in[$i++]);
                    // fall-through
                case $insize == 1:
                    break;
                case ($c & 0x80) == 0x00:
                    break;
                case ($c & 0x40) == 0x00:
                    return false;
                default:
                    $bit = 6;
                    do {
                        if ($bit > 25 || $i >= $inlength || (ord($in[$i]) & 0xC0) != 0x80) {
                            return false;
                        }
                        $c = ($c << 6) | (ord($in[$i++]) & 0x3F);
                        $bit += 5;
                        $mask = 1 << $bit;
                    } while ($c & $bit);
                    $c &= $mask - 1;
                    break;
            }

            // Convert and append the character to output string.
            $v = '';
            switch (true) {
                case $outsize == 4:
                    $v .= chr($c & 0xFF);
                    $c >>= 8;
                    $v .= chr($c & 0xFF);
                    $c >>= 8;
                    // fall-through
                case $outsize == 2:
                    $v .= chr($c & 0xFF);
                    $c >>= 8;
                    // fall-through
                case $outsize == 1:
                    $v .= chr($c & 0xFF);
                    $c >>= 8;
                    if ($c) {
                        return false;
                    }
                    break;
                case ($c & 0x80000000) != 0:
                    return false;
                case $c >= 0x04000000:
                    $v .= chr(0x80 | ($c & 0x3F));
                    $c = ($c >> 6) | 0x04000000;
                    // fall-through
                case $c >= 0x00200000:
                    $v .= chr(0x80 | ($c & 0x3F));
                    $c = ($c >> 6) | 0x00200000;
                    // fall-through
                case $c >= 0x00010000:
                    $v .= chr(0x80 | ($c & 0x3F));
                    $c = ($c >> 6) | 0x00010000;
                    // fall-through
                case $c >= 0x00000800:
                    $v .= chr(0x80 | ($c & 0x3F));
                    $c = ($c >> 6) | 0x00000800;
                    // fall-through
                case $c >= 0x00000080:
                    $v .= chr(0x80 | ($c & 0x3F));
                    $c = ($c >> 6) | 0x000000C0;
                    // fall-through
                default:
                    $v .= chr($c);
                    break;
            }
            $out .= strrev($v);
        }
        return $out;
    }

    /**
     * Extract raw BER from Base64 encoding
     *
     * @access private
     * @param string $str
     * @return string
     */
    public static function extractBER($str)
    {
        /* X.509 certs are assumed to be base64 encoded but sometimes they'll have additional things in them
         * above and beyond the ceritificate.
         * ie. some may have the following preceding the -----BEGIN CERTIFICATE----- line:
         *
         * Bag Attributes
         *     localKeyID: 01 00 00 00
         * subject=/O=organization/OU=org unit/CN=common name
         * issuer=/O=organization/CN=common name
         */
        if (strlen($str) > ini_get('pcre.backtrack_limit')) {
            $temp = $str;
        } else {
            $temp = preg_replace('#.*?^-+[^-]+-+[\r\n ]*$#ms', '', $str, 1);
            $temp = preg_replace('#-+END.*[\r\n ]*.*#ms', '', $temp, 1);
        }
        // remove new lines
        $temp = str_replace(["\r", "\n", ' '], '', $temp);
        // remove the -----BEGIN CERTIFICATE----- and -----END CERTIFICATE----- stuff
        $temp = preg_replace('#^-+[^-]+-+|-+[^-]+-+$#', '', $temp);
        $temp = preg_match('#^[a-zA-Z\d/+]*={0,2}$#', $temp) ? Base64::decode($temp) : false;
        return $temp != false ? $temp : $str;
    }

    /**
     * DER-encode the length
     *
     * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4.  See
     * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
     *
     * @access public
     * @param int $length
     * @return string
     */
    public static function encodeLength($length)
    {
        if ($length <= 0x7F) {
            return chr($length);
        }

        $temp = ltrim(pack('N', $length), chr(0));
        return pack('Ca*', 0x80 | strlen($temp), $temp);
    }

    /**
     * Returns the OID corresponding to a name
     *
     * What's returned in the associative array returned by loadX509() (or load*()) is either a name or an OID if
     * no OID to name mapping is available. The problem with this is that what may be an unmapped OID in one version
     * of phpseclib may not be unmapped in the next version, so apps that are looking at this OID may not be able
     * to work from version to version.
     *
     * This method will return the OID if a name is passed to it and if no mapping is avialable it'll assume that
     * what's being passed to it already is an OID and return that instead. A few examples.
     *
     * getOID('2.16.840.1.101.3.4.2.1') == '2.16.840.1.101.3.4.2.1'
     * getOID('id-sha256') == '2.16.840.1.101.3.4.2.1'
     * getOID('zzz') == 'zzz'
     *
     * @access public
     * @param string $name
     * @return string
     */
    public static function getOID($name)
    {
        return isset(self::$reverseOIDs[$name]) ? self::$reverseOIDs[$name] : $name;
    }
}
PK     ùˆU]möÙ P   P  2  vendor/phpseclib/phpseclib/phpseclib/File/ANSI.phpnu „[µü¤        <?php

/**
 * Pure-PHP ANSI Decoder
 *
 * PHP version 5
 *
 * If you call read() in \phpseclib3\Net\SSH2 you may get {@link http://en.wikipedia.org/wiki/ANSI_escape_code ANSI escape codes} back.
 * They'd look like chr(0x1B) . '[00m' or whatever (0x1B = ESC).  They tell a
 * {@link http://en.wikipedia.org/wiki/Terminal_emulator terminal emulator} how to format the characters, what
 * color to display them in, etc. \phpseclib3\File\ANSI is a {@link http://en.wikipedia.org/wiki/VT100 VT100} terminal emulator.
 *
 * @category  File
 * @package   ANSI
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2012 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\File;

/**
 * Pure-PHP ANSI Decoder
 *
 * @package ANSI
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class ANSI
{
    /**
     * Max Width
     *
     * @var int
     * @access private
     */
    private $max_x;

    /**
     * Max Height
     *
     * @var int
     * @access private
     */
    private $max_y;

    /**
     * Max History
     *
     * @var int
     * @access private
     */
    private $max_history;

    /**
     * History
     *
     * @var array
     * @access private
     */
    private $history;

    /**
     * History Attributes
     *
     * @var array
     * @access private
     */
    private $history_attrs;

    /**
     * Current Column
     *
     * @var int
     * @access private
     */
    private $x;

    /**
     * Current Row
     *
     * @var int
     * @access private
     */
    private $y;

    /**
     * Old Column
     *
     * @var int
     * @access private
     */
    private $old_x;

    /**
     * Old Row
     *
     * @var int
     * @access private
     */
    private $old_y;

    /**
     * An empty attribute cell
     *
     * @var object
     * @access private
     */
    private $base_attr_cell;

    /**
     * The current attribute cell
     *
     * @var object
     * @access private
     */
    private $attr_cell;

    /**
     * An empty attribute row
     *
     * @var array
     * @access private
     */
    private $attr_row;

    /**
     * The current screen text
     *
     * @var list<string>
     * @access private
     */
    private $screen;

    /**
     * The current screen attributes
     *
     * @var array
     * @access private
     */
    private $attrs;

    /**
     * Current ANSI code
     *
     * @var string
     * @access private
     */
    private $ansi;

    /**
     * Tokenization
     *
     * @var array
     * @access private
     */
    private $tokenization;

    /**
     * Default Constructor.
     *
     * @return \phpseclib3\File\ANSI
     * @access public
     */
    public function __construct()
    {
        $attr_cell = new \stdClass();
        $attr_cell->bold = false;
        $attr_cell->underline = false;
        $attr_cell->blink = false;
        $attr_cell->background = 'black';
        $attr_cell->foreground = 'white';
        $attr_cell->reverse = false;
        $this->base_attr_cell = clone $attr_cell;
        $this->attr_cell = clone $attr_cell;

        $this->setHistory(200);
        $this->setDimensions(80, 24);
    }

    /**
     * Set terminal width and height
     *
     * Resets the screen as well
     *
     * @param int $x
     * @param int $y
     * @access public
     */
    public function setDimensions($x, $y)
    {
        $this->max_x = $x - 1;
        $this->max_y = $y - 1;
        $this->x = $this->y = 0;
        $this->history = $this->history_attrs = [];
        $this->attr_row = array_fill(0, $this->max_x + 2, $this->base_attr_cell);
        $this->screen = array_fill(0, $this->max_y + 1, '');
        $this->attrs = array_fill(0, $this->max_y + 1, $this->attr_row);
        $this->ansi = '';
    }

    /**
     * Set the number of lines that should be logged past the terminal height
     *
     * @param int $history
     * @access public
     */
    public function setHistory($history)
    {
        $this->max_history = $history;
    }

    /**
     * Load a string
     *
     * @param string $source
     * @access public
     */
    public function loadString($source)
    {
        $this->setDimensions($this->max_x + 1, $this->max_y + 1);
        $this->appendString($source);
    }

    /**
     * Appdend a string
     *
     * @param string $source
     * @access public
     */
    public function appendString($source)
    {
        $this->tokenization = [''];
        for ($i = 0; $i < strlen($source); $i++) {
            if (strlen($this->ansi)) {
                $this->ansi .= $source[$i];
                $chr = ord($source[$i]);
                // http://en.wikipedia.org/wiki/ANSI_escape_code#Sequence_elements
                // single character CSI's not currently supported
                switch (true) {
                    case $this->ansi == "\x1B=":
                        $this->ansi = '';
                        continue 2;
                    case strlen($this->ansi) == 2 && $chr >= 64 && $chr <= 95 && $chr != ord('['):
                    case strlen($this->ansi) > 2 && $chr >= 64 && $chr <= 126:
                        break;
                    default:
                        continue 2;
                }
                $this->tokenization[] = $this->ansi;
                $this->tokenization[] = '';
                // http://ascii-table.com/ansi-escape-sequences-vt-100.php
                switch ($this->ansi) {
                    case "\x1B[H": // Move cursor to upper left corner
                        $this->old_x = $this->x;
                        $this->old_y = $this->y;
                        $this->x = $this->y = 0;
                        break;
                    case "\x1B[J": // Clear screen from cursor down
                        $this->history = array_merge($this->history, array_slice(array_splice($this->screen, $this->y + 1), 0, $this->old_y));
                        $this->screen = array_merge($this->screen, array_fill($this->y, $this->max_y, ''));

                        $this->history_attrs = array_merge($this->history_attrs, array_slice(array_splice($this->attrs, $this->y + 1), 0, $this->old_y));
                        $this->attrs = array_merge($this->attrs, array_fill($this->y, $this->max_y, $this->attr_row));

                        if (count($this->history) == $this->max_history) {
                            array_shift($this->history);
                            array_shift($this->history_attrs);
                        }
                        // fall-through
                    case "\x1B[K": // Clear screen from cursor right
                        $this->screen[$this->y] = substr($this->screen[$this->y], 0, $this->x);

                        array_splice($this->attrs[$this->y], $this->x + 1, $this->max_x - $this->x, array_fill($this->x, $this->max_x - ($this->x - 1), $this->base_attr_cell));
                        break;
                    case "\x1B[2K": // Clear entire line
                        $this->screen[$this->y] = str_repeat(' ', $this->x);
                        $this->attrs[$this->y] = $this->attr_row;
                        break;
                    case "\x1B[?1h": // set cursor key to application
                    case "\x1B[?25h": // show the cursor
                    case "\x1B(B": // set united states g0 character set
                        break;
                    case "\x1BE": // Move to next line
                        $this->newLine();
                        $this->x = 0;
                        break;
                    default:
                        switch (true) {
                            case preg_match('#\x1B\[(\d+)B#', $this->ansi, $match): // Move cursor down n lines
                                $this->old_y = $this->y;
                                $this->y += (int) $match[1];
                                break;
                            case preg_match('#\x1B\[(\d+);(\d+)H#', $this->ansi, $match): // Move cursor to screen location v,h
                                $this->old_x = $this->x;
                                $this->old_y = $this->y;
                                $this->x = $match[2] - 1;
                                $this->y = (int) $match[1] - 1;
                                break;
                            case preg_match('#\x1B\[(\d+)C#', $this->ansi, $match): // Move cursor right n lines
                                $this->old_x = $this->x;
                                $this->x += $match[1];
                                break;
                            case preg_match('#\x1B\[(\d+)D#', $this->ansi, $match): // Move cursor left n lines
                                $this->old_x = $this->x;
                                $this->x -= $match[1];
                                if ($this->x < 0) {
                                    $this->x = 0;
                                }
                                break;
                            case preg_match('#\x1B\[(\d+);(\d+)r#', $this->ansi, $match): // Set top and bottom lines of a window
                                break;
                            case preg_match('#\x1B\[(\d*(?:;\d*)*)m#', $this->ansi, $match): // character attributes
                                $attr_cell = &$this->attr_cell;
                                $mods = explode(';', $match[1]);
                                foreach ($mods as $mod) {
                                    switch ($mod) {
                                        case '':
                                        case '0': // Turn off character attributes
                                            $attr_cell = clone $this->base_attr_cell;
                                            break;
                                        case '1': // Turn bold mode on
                                            $attr_cell->bold = true;
                                            break;
                                        case '4': // Turn underline mode on
                                            $attr_cell->underline = true;
                                            break;
                                        case '5': // Turn blinking mode on
                                            $attr_cell->blink = true;
                                            break;
                                        case '7': // Turn reverse video on
                                            $attr_cell->reverse = !$attr_cell->reverse;
                                            $temp = $attr_cell->background;
                                            $attr_cell->background = $attr_cell->foreground;
                                            $attr_cell->foreground = $temp;
                                            break;
                                        default: // set colors
                                            //$front = $attr_cell->reverse ? &$attr_cell->background : &$attr_cell->foreground;
                                            $front = &$attr_cell->{ $attr_cell->reverse ? 'background' : 'foreground' };
                                            //$back = $attr_cell->reverse ? &$attr_cell->foreground : &$attr_cell->background;
                                            $back = &$attr_cell->{ $attr_cell->reverse ? 'foreground' : 'background' };
                                            switch ($mod) {
                                                // @codingStandardsIgnoreStart
                                                case '30': $front = 'black'; break;
                                                case '31': $front = 'red'; break;
                                                case '32': $front = 'green'; break;
                                                case '33': $front = 'yellow'; break;
                                                case '34': $front = 'blue'; break;
                                                case '35': $front = 'magenta'; break;
                                                case '36': $front = 'cyan'; break;
                                                case '37': $front = 'white'; break;

                                                case '40': $back = 'black'; break;
                                                case '41': $back = 'red'; break;
                                                case '42': $back = 'green'; break;
                                                case '43': $back = 'yellow'; break;
                                                case '44': $back = 'blue'; break;
                                                case '45': $back = 'magenta'; break;
                                                case '46': $back = 'cyan'; break;
                                                case '47': $back = 'white'; break;
                                                // @codingStandardsIgnoreEnd

                                                default:
                                                    //user_error('Unsupported attribute: ' . $mod);
                                                    $this->ansi = '';
                                                    break 2;
                                            }
                                    }
                                }
                                break;
                            default:
                                //user_error("{$this->ansi} is unsupported\r\n");
                        }
                }
                $this->ansi = '';
                continue;
            }

            $this->tokenization[count($this->tokenization) - 1] .= $source[$i];
            switch ($source[$i]) {
                case "\r":
                    $this->x = 0;
                    break;
                case "\n":
                    $this->newLine();
                    break;
                case "\x08": // backspace
                    if ($this->x) {
                        $this->x--;
                        $this->attrs[$this->y][$this->x] = clone $this->base_attr_cell;
                        $this->screen[$this->y] = substr_replace(
                            $this->screen[$this->y],
                            $source[$i],
                            $this->x,
                            1
                        );
                    }
                    break;
                case "\x0F": // shift
                    break;
                case "\x1B": // start ANSI escape code
                    $this->tokenization[count($this->tokenization) - 1] = substr($this->tokenization[count($this->tokenization) - 1], 0, -1);
                    //if (!strlen($this->tokenization[count($this->tokenization) - 1])) {
                    //    array_pop($this->tokenization);
                    //}
                    $this->ansi .= "\x1B";
                    break;
                default:
                    $this->attrs[$this->y][$this->x] = clone $this->attr_cell;
                    if ($this->x > strlen($this->screen[$this->y])) {
                        $this->screen[$this->y] = str_repeat(' ', $this->x);
                    }
                    $this->screen[$this->y] = substr_replace(
                        $this->screen[$this->y],
                        $source[$i],
                        $this->x,
                        1
                    );

                    if ($this->x > $this->max_x) {
                        $this->x = 0;
                        $this->newLine();
                    } else {
                        $this->x++;
                    }
            }
        }
    }

    /**
     * Add a new line
     *
     * Also update the $this->screen and $this->history buffers
     *
     * @access private
     */
    private function newLine()
    {
        //if ($this->y < $this->max_y) {
        //    $this->y++;
        //}

        while ($this->y >= $this->max_y) {
            $this->history = array_merge($this->history, [array_shift($this->screen)]);
            $this->screen[] = '';

            $this->history_attrs = array_merge($this->history_attrs, [array_shift($this->attrs)]);
            $this->attrs[] = $this->attr_row;

            if (count($this->history) >= $this->max_history) {
                array_shift($this->history);
                array_shift($this->history_attrs);
            }

            $this->y--;
        }
        $this->y++;
    }

    /**
     * Returns the current coordinate without preformating
     *
     * @access private
     * @param \stdClass $last_attr
     * @param \stdClass $cur_attr
     * @param string $char
     * @return string
     */
    private function processCoordinate($last_attr, $cur_attr, $char)
    {
        $output = '';

        if ($last_attr != $cur_attr) {
            $close = $open = '';
            if ($last_attr->foreground != $cur_attr->foreground) {
                if ($cur_attr->foreground != 'white') {
                    $open .= '<span style="color: ' . $cur_attr->foreground . '">';
                }
                if ($last_attr->foreground != 'white') {
                    $close = '</span>' . $close;
                }
            }
            if ($last_attr->background != $cur_attr->background) {
                if ($cur_attr->background != 'black') {
                    $open .= '<span style="background: ' . $cur_attr->background . '">';
                }
                if ($last_attr->background != 'black') {
                    $close = '</span>' . $close;
                }
            }
            if ($last_attr->bold != $cur_attr->bold) {
                if ($cur_attr->bold) {
                    $open .= '<b>';
                } else {
                    $close = '</b>' . $close;
                }
            }
            if ($last_attr->underline != $cur_attr->underline) {
                if ($cur_attr->underline) {
                    $open .= '<u>';
                } else {
                    $close = '</u>' . $close;
                }
            }
            if ($last_attr->blink != $cur_attr->blink) {
                if ($cur_attr->blink) {
                    $open .= '<blink>';
                } else {
                    $close = '</blink>' . $close;
                }
            }
            $output .= $close . $open;
        }

        $output .= htmlspecialchars($char);

        return $output;
    }

    /**
     * Returns the current screen without preformating
     *
     * @access private
     * @return string
     */
    private function getScreenHelper()
    {
        $output = '';
        $last_attr = $this->base_attr_cell;
        for ($i = 0; $i <= $this->max_y; $i++) {
            for ($j = 0; $j <= $this->max_x; $j++) {
                $cur_attr = $this->attrs[$i][$j];
                $output .= $this->processCoordinate($last_attr, $cur_attr, isset($this->screen[$i][$j]) ? $this->screen[$i][$j] : '');
                $last_attr = $this->attrs[$i][$j];
            }
            $output .= "\r\n";
        }
        $output = substr($output, 0, -2);
        // close any remaining open tags
        $output .= $this->processCoordinate($last_attr, $this->base_attr_cell, '');
        return rtrim($output);
    }

    /**
     * Returns the current screen
     *
     * @access public
     * @return string
     */
    public function getScreen()
    {
        return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $this->getScreenHelper() . '</pre>';
    }

    /**
     * Returns the current screen and the x previous lines
     *
     * @access public
     * @return string
     */
    public function getHistory()
    {
        $scrollback = '';
        $last_attr = $this->base_attr_cell;
        for ($i = 0; $i < count($this->history); $i++) {
            for ($j = 0; $j <= $this->max_x + 1; $j++) {
                $cur_attr = $this->history_attrs[$i][$j];
                $scrollback .= $this->processCoordinate($last_attr, $cur_attr, isset($this->history[$i][$j]) ? $this->history[$i][$j] : '');
                $last_attr = $this->history_attrs[$i][$j];
            }
            $scrollback .= "\r\n";
        }
        $base_attr_cell = $this->base_attr_cell;
        $this->base_attr_cell = $last_attr;
        $scrollback .= $this->getScreen();
        $this->base_attr_cell = $base_attr_cell;

        return '<pre width="' . ($this->max_x + 1) . '" style="color: white; background: black">' . $scrollback . '</span></pre>';
    }
}
PK     ùˆU]åÈÚáÑ Ñ 1  vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of SFTP.
 *
 * PHP version 5
 *
 * Supports SFTPv2/3/4/5/6. Defaults to v3.
 *
 * The API for this library is modeled after the API from PHP's {@link http://php.net/book.ftp FTP extension}.
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $sftp = new \phpseclib3\Net\SFTP('www.domain.tld');
 *    if (!$sftp->login('username', 'password')) {
 *        exit('Login Failed');
 *    }
 *
 *    echo $sftp->pwd() . "\r\n";
 *    $sftp->put('filename.ext', 'hello, world!');
 *    print_r($sftp->nlist());
 * ?>
 * </code>
 *
 * @category  Net
 * @package   SFTP
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Net;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\FileNotFoundException;

/**
 * Pure-PHP implementations of SFTP.
 *
 * @package SFTP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class SFTP extends SSH2
{
    /**
     * SFTP channel constant
     *
     * \phpseclib3\Net\SSH2::exec() uses 0 and \phpseclib3\Net\SSH2::read() / \phpseclib3\Net\SSH2::write() use 1.
     *
     * @see \phpseclib3\Net\SSH2::send_channel_packet()
     * @see \phpseclib3\Net\SSH2::get_channel_packet()
     * @access private
     */
    const CHANNEL = 0x100;

    /**
     * Reads data from a local file.
     *
     * @access public
     * @see \phpseclib3\Net\SFTP::put()
     */
    const SOURCE_LOCAL_FILE = 1;
    /**
     * Reads data from a string.
     *
     * @access public
     * @see \phpseclib3\Net\SFTP::put()
     */
    // this value isn't really used anymore but i'm keeping it reserved for historical reasons
    const SOURCE_STRING = 2;
    /**
     * Reads data from callback:
     * function callback($length) returns string to proceed, null for EOF
     *
     * @access public
     * @see \phpseclib3\Net\SFTP::put()
     */
    const SOURCE_CALLBACK = 16;
    /**
     * Resumes an upload
     *
     * @access public
     * @see \phpseclib3\Net\SFTP::put()
     */
    const RESUME = 4;
    /**
     * Append a local file to an already existing remote file
     *
     * @access public
     * @see \phpseclib3\Net\SFTP::put()
     */
    const RESUME_START = 8;

    /**
     * Packet Types
     *
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $packet_types = [];

    /**
     * Status Codes
     *
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $status_codes = [];

    /** @var array<int, string> */
    private $attributes;

    /** @var array<int, string> */
    private $open_flags;

    /** @var array<int, string> */
    private $open_flags5;

    /** @var array<int, string> */
    private $file_types;

    /**
     * The Request ID
     *
     * The request ID exists in the off chance that a packet is sent out-of-order.  Of course, this library doesn't support
     * concurrent actions, so it's somewhat academic, here.
     *
     * @var boolean
     * @see self::_send_sftp_packet()
     * @access private
     */
    private $use_request_id = false;

    /**
     * The Packet Type
     *
     * The request ID exists in the off chance that a packet is sent out-of-order.  Of course, this library doesn't support
     * concurrent actions, so it's somewhat academic, here.
     *
     * @var int
     * @see self::_get_sftp_packet()
     * @access private
     */
    private $packet_type = -1;

    /**
     * Packet Buffer
     *
     * @var string
     * @see self::_get_sftp_packet()
     * @access private
     */
    private $packet_buffer = '';

    /**
     * Extensions supported by the server
     *
     * @var array
     * @see self::_initChannel()
     * @access private
     */
    private $extensions = [];

    /**
     * Server SFTP version
     *
     * @var int
     * @see self::_initChannel()
     * @access private
     */
    private $version;

    /**
     * Default Server SFTP version
     *
     * @var int
     * @see self::_initChannel()
     * @access private
     */
    private $defaultVersion;

    /**
     * Preferred SFTP version
     *
     * @var int
     * @see self::_initChannel()
     * @access private
     */
    private $preferredVersion = 3;

    /**
     * Current working directory
     *
     * @var string|bool
     * @see self::realpath()
     * @see self::chdir()
     * @access private
     */
    private $pwd = false;

    /**
     * Packet Type Log
     *
     * @see self::getLog()
     * @var array
     * @access private
     */
    private $packet_type_log = [];

    /**
     * Packet Log
     *
     * @see self::getLog()
     * @var array
     * @access private
     */
    private $packet_log = [];

    /**
     * Error information
     *
     * @see self::getSFTPErrors()
     * @see self::getLastSFTPError()
     * @var array
     * @access private
     */
    private $sftp_errors = [];

    /**
     * Stat Cache
     *
     * Rather than always having to open a directory and close it immediately there after to see if a file is a directory
     * we'll cache the results.
     *
     * @see self::_update_stat_cache()
     * @see self::_remove_from_stat_cache()
     * @see self::_query_stat_cache()
     * @var array
     * @access private
     */
    private $stat_cache = [];

    /**
     * Max SFTP Packet Size
     *
     * @see self::__construct()
     * @see self::get()
     * @var int
     * @access private
     */
    private $max_sftp_packet;

    /**
     * Stat Cache Flag
     *
     * @see self::disableStatCache()
     * @see self::enableStatCache()
     * @var bool
     * @access private
     */
    private $use_stat_cache = true;

    /**
     * Sort Options
     *
     * @see self::_comparator()
     * @see self::setListOrder()
     * @var array
     * @access private
     */
    protected $sortOptions = [];

    /**
     * Canonicalization Flag
     *
     * Determines whether or not paths should be canonicalized before being
     * passed on to the remote server.
     *
     * @see self::enablePathCanonicalization()
     * @see self::disablePathCanonicalization()
     * @see self::realpath()
     * @var bool
     * @access private
     */
    private $canonicalize_paths = true;

    /**
     * Request Buffers
     *
     * @see self::_get_sftp_packet()
     * @var array
     * @access private
     */
    private $requestBuffer = [];

    /**
     * Preserve timestamps on file downloads / uploads
     *
     * @see self::get()
     * @see self::put()
     * @var bool
     * @access private
     */
    private $preserveTime = false;

    /**
     * Arbitrary Length Packets Flag
     *
     * Determines whether or not packets of any length should be allowed,
     * in cases where the server chooses the packet length (such as
     * directory listings). By default, packets are only allowed to be
     * 256 * 1024 bytes (SFTP_MAX_MSG_LENGTH from OpenSSH's sftp-common.h)
     *
     * @see self::enableArbitraryLengthPackets()
     * @see self::_get_sftp_packet()
     * @var bool
     * @access private
     */
    private $allow_arbitrary_length_packets = false;

    /**
     * Was the last packet due to the channels being closed or not?
     *
     * @see self::get()
     * @see self::get_sftp_packet()
     * @var bool
     * @access private
     */
    private $channel_close = false;

    /**
     * Has the SFTP channel been partially negotiated?
     *
     * @var bool
     * @access private
     */
    private $partial_init = false;

    /**
     * Default Constructor.
     *
     * Connects to an SFTP server
     *
     * @param string $host
     * @param int $port
     * @param int $timeout
     * @access public
     */
    public function __construct($host, $port = 22, $timeout = 10)
    {
        parent::__construct($host, $port, $timeout);

        $this->max_sftp_packet = 1 << 15;

        $this->packet_types = [
            1  => 'NET_SFTP_INIT',
            2  => 'NET_SFTP_VERSION',
            3  => 'NET_SFTP_OPEN',
            4  => 'NET_SFTP_CLOSE',
            5  => 'NET_SFTP_READ',
            6  => 'NET_SFTP_WRITE',
            7  => 'NET_SFTP_LSTAT',
            9  => 'NET_SFTP_SETSTAT',
            10 => 'NET_SFTP_FSETSTAT',
            11 => 'NET_SFTP_OPENDIR',
            12 => 'NET_SFTP_READDIR',
            13 => 'NET_SFTP_REMOVE',
            14 => 'NET_SFTP_MKDIR',
            15 => 'NET_SFTP_RMDIR',
            16 => 'NET_SFTP_REALPATH',
            17 => 'NET_SFTP_STAT',
            18 => 'NET_SFTP_RENAME',
            19 => 'NET_SFTP_READLINK',
            20 => 'NET_SFTP_SYMLINK',
            21 => 'NET_SFTP_LINK',

            101 => 'NET_SFTP_STATUS',
            102 => 'NET_SFTP_HANDLE',
            103 => 'NET_SFTP_DATA',
            104 => 'NET_SFTP_NAME',
            105 => 'NET_SFTP_ATTRS',

            200 => 'NET_SFTP_EXTENDED'
        ];
        $this->status_codes = [
            0 => 'NET_SFTP_STATUS_OK',
            1 => 'NET_SFTP_STATUS_EOF',
            2 => 'NET_SFTP_STATUS_NO_SUCH_FILE',
            3 => 'NET_SFTP_STATUS_PERMISSION_DENIED',
            4 => 'NET_SFTP_STATUS_FAILURE',
            5 => 'NET_SFTP_STATUS_BAD_MESSAGE',
            6 => 'NET_SFTP_STATUS_NO_CONNECTION',
            7 => 'NET_SFTP_STATUS_CONNECTION_LOST',
            8 => 'NET_SFTP_STATUS_OP_UNSUPPORTED',
            9 => 'NET_SFTP_STATUS_INVALID_HANDLE',
            10 => 'NET_SFTP_STATUS_NO_SUCH_PATH',
            11 => 'NET_SFTP_STATUS_FILE_ALREADY_EXISTS',
            12 => 'NET_SFTP_STATUS_WRITE_PROTECT',
            13 => 'NET_SFTP_STATUS_NO_MEDIA',
            14 => 'NET_SFTP_STATUS_NO_SPACE_ON_FILESYSTEM',
            15 => 'NET_SFTP_STATUS_QUOTA_EXCEEDED',
            16 => 'NET_SFTP_STATUS_UNKNOWN_PRINCIPAL',
            17 => 'NET_SFTP_STATUS_LOCK_CONFLICT',
            18 => 'NET_SFTP_STATUS_DIR_NOT_EMPTY',
            19 => 'NET_SFTP_STATUS_NOT_A_DIRECTORY',
            20 => 'NET_SFTP_STATUS_INVALID_FILENAME',
            21 => 'NET_SFTP_STATUS_LINK_LOOP',
            22 => 'NET_SFTP_STATUS_CANNOT_DELETE',
            23 => 'NET_SFTP_STATUS_INVALID_PARAMETER',
            24 => 'NET_SFTP_STATUS_FILE_IS_A_DIRECTORY',
            25 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_CONFLICT',
            26 => 'NET_SFTP_STATUS_BYTE_RANGE_LOCK_REFUSED',
            27 => 'NET_SFTP_STATUS_DELETE_PENDING',
            28 => 'NET_SFTP_STATUS_FILE_CORRUPT',
            29 => 'NET_SFTP_STATUS_OWNER_INVALID',
            30 => 'NET_SFTP_STATUS_GROUP_INVALID',
            31 => 'NET_SFTP_STATUS_NO_MATCHING_BYTE_RANGE_LOCK'
        ];
        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-7.1
        // the order, in this case, matters quite a lot - see \phpseclib3\Net\SFTP::_parseAttributes() to understand why
        $this->attributes = [
            0x00000001 => 'NET_SFTP_ATTR_SIZE',
            0x00000002 => 'NET_SFTP_ATTR_UIDGID',          // defined in SFTPv3, removed in SFTPv4+
            0x00000080 => 'NET_SFTP_ATTR_OWNERGROUP',      // defined in SFTPv4+
            0x00000004 => 'NET_SFTP_ATTR_PERMISSIONS',
            0x00000008 => 'NET_SFTP_ATTR_ACCESSTIME',
            0x00000010 => 'NET_SFTP_ATTR_CREATETIME',      // SFTPv4+
            0x00000020 => 'NET_SFTP_ATTR_MODIFYTIME',
            0x00000040 => 'NET_SFTP_ATTR_ACL',
            0x00000100 => 'NET_SFTP_ATTR_SUBSECOND_TIMES',
            0x00000200 => 'NET_SFTP_ATTR_BITS',            // SFTPv5+
            0x00000400 => 'NET_SFTP_ATTR_ALLOCATION_SIZE', // SFTPv6+
            0x00000800 => 'NET_SFTP_ATTR_TEXT_HINT',
            0x00001000 => 'NET_SFTP_ATTR_MIME_TYPE',
            0x00002000 => 'NET_SFTP_ATTR_LINK_COUNT',
            0x00004000 => 'NET_SFTP_ATTR_UNTRANSLATED_NAME',
            0x00008000 => 'NET_SFTP_ATTR_CTIME',
            // 0x80000000 will yield a floating point on 32-bit systems and converting floating points to integers
            // yields inconsistent behavior depending on how php is compiled.  so we left shift -1 (which, in
            // two's compliment, consists of all 1 bits) by 31.  on 64-bit systems this'll yield 0xFFFFFFFF80000000.
            // that's not a problem, however, and 'anded' and a 32-bit number, as all the leading 1 bits are ignored.
            (-1 << 31) & 0xFFFFFFFF => 'NET_SFTP_ATTR_EXTENDED'
        ];
        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-6.3
        // the flag definitions change somewhat in SFTPv5+.  if SFTPv5+ support is added to this library, maybe name
        // the array for that $this->open5_flags and similarly alter the constant names.
        $this->open_flags = [
            0x00000001 => 'NET_SFTP_OPEN_READ',
            0x00000002 => 'NET_SFTP_OPEN_WRITE',
            0x00000004 => 'NET_SFTP_OPEN_APPEND',
            0x00000008 => 'NET_SFTP_OPEN_CREATE',
            0x00000010 => 'NET_SFTP_OPEN_TRUNCATE',
            0x00000020 => 'NET_SFTP_OPEN_EXCL',
            0x00000040 => 'NET_SFTP_OPEN_TEXT' // defined in SFTPv4
        ];
        // SFTPv5+ changed the flags up:
        // https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-8.1.1.3
        $this->open_flags5 = [
            // when SSH_FXF_ACCESS_DISPOSITION is a 3 bit field that controls how the file is opened
            0x00000000 => 'NET_SFTP_OPEN_CREATE_NEW',
            0x00000001 => 'NET_SFTP_OPEN_CREATE_TRUNCATE',
            0x00000002 => 'NET_SFTP_OPEN_OPEN_EXISTING',
            0x00000003 => 'NET_SFTP_OPEN_OPEN_OR_CREATE',
            0x00000004 => 'NET_SFTP_OPEN_TRUNCATE_EXISTING',
            // the rest of the flags are not supported
            0x00000008 => 'NET_SFTP_OPEN_APPEND_DATA', // "the offset field of SS_FXP_WRITE requests is ignored"
            0x00000010 => 'NET_SFTP_OPEN_APPEND_DATA_ATOMIC',
            0x00000020 => 'NET_SFTP_OPEN_TEXT_MODE',
            0x00000040 => 'NET_SFTP_OPEN_BLOCK_READ',
            0x00000080 => 'NET_SFTP_OPEN_BLOCK_WRITE',
            0x00000100 => 'NET_SFTP_OPEN_BLOCK_DELETE',
            0x00000200 => 'NET_SFTP_OPEN_BLOCK_ADVISORY',
            0x00000400 => 'NET_SFTP_OPEN_NOFOLLOW',
            0x00000800 => 'NET_SFTP_OPEN_DELETE_ON_CLOSE',
            0x00001000 => 'NET_SFTP_OPEN_ACCESS_AUDIT_ALARM_INFO',
            0x00002000 => 'NET_SFTP_OPEN_ACCESS_BACKUP',
            0x00004000 => 'NET_SFTP_OPEN_BACKUP_STREAM',
            0x00008000 => 'NET_SFTP_OPEN_OVERRIDE_OWNER',
        ];
        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2
        // see \phpseclib3\Net\SFTP::_parseLongname() for an explanation
        $this->file_types = [
            1 => 'NET_SFTP_TYPE_REGULAR',
            2 => 'NET_SFTP_TYPE_DIRECTORY',
            3 => 'NET_SFTP_TYPE_SYMLINK',
            4 => 'NET_SFTP_TYPE_SPECIAL',
            5 => 'NET_SFTP_TYPE_UNKNOWN',
            // the following types were first defined for use in SFTPv5+
            // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
            6 => 'NET_SFTP_TYPE_SOCKET',
            7 => 'NET_SFTP_TYPE_CHAR_DEVICE',
            8 => 'NET_SFTP_TYPE_BLOCK_DEVICE',
            9 => 'NET_SFTP_TYPE_FIFO'
        ];
        $this->define_array(
            $this->packet_types,
            $this->status_codes,
            $this->attributes,
            $this->open_flags,
            $this->open_flags5,
            $this->file_types
        );

        if (!defined('NET_SFTP_QUEUE_SIZE')) {
            define('NET_SFTP_QUEUE_SIZE', 32);
        }
        if (!defined('NET_SFTP_UPLOAD_QUEUE_SIZE')) {
            define('NET_SFTP_UPLOAD_QUEUE_SIZE', 1024);
        }
    }

    /**
     * Check a few things before SFTP functions are called
     *
     * @return bool
     * @access public
     */
    private function precheck()
    {
        if (!($this->bitmap & SSH2::MASK_LOGIN)) {
            return false;
        }

        if ($this->pwd === false) {
            return $this->init_sftp_connection();
        }

        return true;
    }

    /**
     * Partially initialize an SFTP connection
     *
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access public
     */
    private function partial_init_sftp_connection()
    {
        $this->window_size_server_to_client[self::CHANNEL] = $this->window_size;

        $packet = Strings::packSSH2(
            'CsN3',
            NET_SSH2_MSG_CHANNEL_OPEN,
            'session',
            self::CHANNEL,
            $this->window_size,
            0x4000
        );

        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_OPEN;

        $response = $this->get_channel_packet(self::CHANNEL, true);
        if ($response === true && $this->isTimeout()) {
            return false;
        }

        $packet = Strings::packSSH2(
            'CNsbs',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[self::CHANNEL],
            'subsystem',
            true,
            'sftp'
        );
        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;

        $response = $this->get_channel_packet(self::CHANNEL, true);
        if ($response === false) {
            // from PuTTY's psftp.exe
            $command = "test -x /usr/lib/sftp-server && exec /usr/lib/sftp-server\n" .
                       "test -x /usr/local/lib/sftp-server && exec /usr/local/lib/sftp-server\n" .
                       "exec sftp-server";
            // we don't do $this->exec($command, false) because exec() operates on a different channel and plus the SSH_MSG_CHANNEL_OPEN that exec() does
            // is redundant
            $packet = Strings::packSSH2(
                'CNsCs',
                NET_SSH2_MSG_CHANNEL_REQUEST,
                $this->server_channels[self::CHANNEL],
                'exec',
                1,
                $command
            );
            $this->send_binary_packet($packet);

            $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_REQUEST;

            $response = $this->get_channel_packet(self::CHANNEL, true);
            if ($response === false) {
                return false;
            }
        } elseif ($response === true && $this->isTimeout()) {
            return false;
        }

        $this->channel_status[self::CHANNEL] = NET_SSH2_MSG_CHANNEL_DATA;
        $this->send_sftp_packet(NET_SFTP_INIT, "\0\0\0\3");

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_VERSION) {
            throw new \UnexpectedValueException('Expected NET_SFTP_VERSION. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        $this->use_request_id = true;

        list($this->defaultVersion) = Strings::unpackSSH2('N', $response);
        while (!empty($response)) {
            list($key, $value) = Strings::unpackSSH2('ss', $response);
            $this->extensions[$key] = $value;
        }

        $this->partial_init = true;

        return true;
    }

    /**
     * (Re)initializes the SFTP channel
     *
     * @return bool
     * @access private
     */
    private function init_sftp_connection()
    {
        if (!$this->partial_init && !$this->partial_init_sftp_connection()) {
            return false;
        }

        /*
         A Note on SFTPv4/5/6 support:
         <http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-5.1> states the following:

         "If the client wishes to interoperate with servers that support noncontiguous version
          numbers it SHOULD send '3'"

         Given that the server only sends its version number after the client has already done so, the above
         seems to be suggesting that v3 should be the default version.  This makes sense given that v3 is the
         most popular.

         <http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-5.5> states the following;

         "If the server did not send the "versions" extension, or the version-from-list was not included, the
          server MAY send a status response describing the failure, but MUST then close the channel without
          processing any further requests."

         So what do you do if you have a client whose initial SSH_FXP_INIT packet says it implements v3 and
         a server whose initial SSH_FXP_VERSION reply says it implements v4 and only v4?  If it only implements
         v4, the "versions" extension is likely not going to have been sent so version re-negotiation as discussed
         in draft-ietf-secsh-filexfer-13 would be quite impossible.  As such, what \phpseclib3\Net\SFTP would do is close the
         channel and reopen it with a new and updated SSH_FXP_INIT packet.
        */
        $this->version = $this->defaultVersion;
        if (isset($this->extensions['versions']) && (!$this->preferredVersion || $this->preferredVersion != $this->version)) {
            $versions = explode(',', $this->extensions['versions']);
            $supported = [6, 5, 4];
            if ($this->preferredVersion) {
                $supported = array_diff($supported, [$this->preferredVersion]);
                array_unshift($supported, $this->preferredVersion);
            }
            foreach ($supported as $ver) {
                if (in_array($ver, $versions)) {
                    if ($ver === $this->version) {
                        break;
                    }
                    $this->version = (int) $ver;
                    $packet = Strings::packSSH2('ss', 'version-select', "$ver");
                    $this->send_sftp_packet(NET_SFTP_EXTENDED, $packet);
                    $response = $this->get_sftp_packet();
                    if ($this->packet_type != NET_SFTP_STATUS) {
                        throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                            . 'Got packet type: ' . $this->packet_type);
                    }
                    list($status) = Strings::unpackSSH2('N', $response);
                    if ($status != NET_SFTP_STATUS_OK) {
                        $this->logError($response, $status);
                        throw new \UnexpectedValueException('Expected NET_SFTP_STATUS_OK. '
                            . ' Got ' . $status);
                    }
                    break;
                }
            }
        }

        /*
         SFTPv4+ defines a 'newline' extension.  SFTPv3 seems to have unofficial support for it via 'newline@vandyke.com',
         however, I'm not sure what 'newline@vandyke.com' is supposed to do (the fact that it's unofficial means that it's
         not in the official SFTPv3 specs) and 'newline@vandyke.com' / 'newline' are likely not drop-in substitutes for
         one another due to the fact that 'newline' comes with a SSH_FXF_TEXT bitmask whereas it seems unlikely that
         'newline@vandyke.com' would.
        */
        /*
        if (isset($this->extensions['newline@vandyke.com'])) {
            $this->extensions['newline'] = $this->extensions['newline@vandyke.com'];
            unset($this->extensions['newline@vandyke.com']);
        }
        */
        if ($this->version < 2 || $this->version > 6) {
            return false;
        }

        $this->pwd = true;
        $this->pwd = $this->realpath('.');

        $this->update_stat_cache($this->pwd, []);

        return true;
    }

    /**
     * Disable the stat cache
     *
     * @access public
     */
    public function disableStatCache()
    {
        $this->use_stat_cache = false;
    }

    /**
     * Enable the stat cache
     *
     * @access public
     */
    public function enableStatCache()
    {
        $this->use_stat_cache = true;
    }

    /**
     * Clear the stat cache
     *
     * @access public
     */
    public function clearStatCache()
    {
        $this->stat_cache = [];
    }

    /**
     * Enable path canonicalization
     *
     * @access public
     */
    public function enablePathCanonicalization()
    {
        $this->canonicalize_paths = true;
    }

    /**
     * Enable path canonicalization
     *
     * @access public
     */
    public function disablePathCanonicalization()
    {
        $this->canonicalize_paths = false;
    }

    /**
     * Enable arbitrary length packets
     *
     * @access public
     */
    public function enableArbitraryLengthPackets()
    {
        $this->allow_arbitrary_length_packets = true;
    }

    /**
     * Disable arbitrary length packets
     *
     * @access public
     */
    public function disableArbitraryLengthPackets()
    {
        $this->allow_arbitrary_length_packets = false;
    }

    /**
     * Returns the current directory name
     *
     * @return string|bool
     * @access public
     */
    public function pwd()
    {
        if (!$this->precheck()) {
            return false;
        }

        return $this->pwd;
    }

    /**
     * Logs errors
     *
     * @param string $response
     * @param int $status
     * @access private
     */
    private function logError($response, $status = -1)
    {
        if ($status == -1) {
            list($status) = Strings::unpackSSH2('N', $response);
        }

        $error = $this->status_codes[$status];

        if ($this->version > 2) {
            list($message) = Strings::unpackSSH2('s', $response);
            $this->sftp_errors[] = "$error: $message";
        } else {
            $this->sftp_errors[] = $error;
        }
    }

    /**
     * Canonicalize the Server-Side Path Name
     *
     * SFTP doesn't provide a mechanism by which the current working directory can be changed, so we'll emulate it.  Returns
     * the absolute (canonicalized) path.
     *
     * If canonicalize_paths has been disabled using disablePathCanonicalization(), $path is returned as-is.
     *
     * @see self::chdir()
     * @see self::disablePathCanonicalization()
     * @param string $path
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return mixed
     * @access public
     */
    public function realpath($path)
    {
        if ($this->precheck() === false) {
            return false;
        }

        if (!$this->canonicalize_paths) {
            return $path;
        }

        if ($this->pwd === true) {
            // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.9
            $this->send_sftp_packet(NET_SFTP_REALPATH, Strings::packSSH2('s', $path));

            $response = $this->get_sftp_packet();
            switch ($this->packet_type) {
                case NET_SFTP_NAME:
                    // although SSH_FXP_NAME is implemented differently in SFTPv3 than it is in SFTPv4+, the following
                    // should work on all SFTP versions since the only part of the SSH_FXP_NAME packet the following looks
                    // at is the first part and that part is defined the same in SFTP versions 3 through 6.
                    list(, $filename) = Strings::unpackSSH2('Ns', $response);
                    return $filename;
                case NET_SFTP_STATUS:
                    $this->logError($response);
                    return false;
                default:
                    throw new \UnexpectedValueException('Expected NET_SFTP_NAME or NET_SFTP_STATUS. '
                                                      . 'Got packet type: ' . $this->packet_type);
            }
        }

        if (!strlen($path) || $path[0] != '/') {
            $path = $this->pwd . '/' . $path;
        }

        $path = explode('/', $path);
        $new = [];
        foreach ($path as $dir) {
            if (!strlen($dir)) {
                continue;
            }
            switch ($dir) {
                case '..':
                    array_pop($new);
                    // fall-through
                case '.':
                    break;
                default:
                    $new[] = $dir;
            }
        }

        return '/' . implode('/', $new);
    }

    /**
     * Changes the current directory
     *
     * @param string $dir
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access public
     */
    public function chdir($dir)
    {
        if (!$this->precheck()) {
            return false;
        }

        // assume current dir if $dir is empty
        if ($dir === '') {
            $dir = './';
        // suffix a slash if needed
        } elseif ($dir[strlen($dir) - 1] != '/') {
            $dir .= '/';
        }

        $dir = $this->realpath($dir);

        // confirm that $dir is, in fact, a valid directory
        if ($this->use_stat_cache && is_array($this->query_stat_cache($dir))) {
            $this->pwd = $dir;
            return true;
        }

        // we could do a stat on the alleged $dir to see if it's a directory but that doesn't tell us
        // the currently logged in user has the appropriate permissions or not. maybe you could see if
        // the file's uid / gid match the currently logged in user's uid / gid but how there's no easy
        // way to get those with SFTP

        $this->send_sftp_packet(NET_SFTP_OPENDIR, Strings::packSSH2('s', $dir));

        // see \phpseclib3\Net\SFTP::nlist() for a more thorough explanation of the following
        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                $handle = substr($response, 4);
                break;
            case NET_SFTP_STATUS:
                $this->logError($response);
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS' .
                                                    'Got packet type: ' . $this->packet_type);
        }

        if (!$this->close_handle($handle)) {
            return false;
        }

        $this->update_stat_cache($dir, []);

        $this->pwd = $dir;
        return true;
    }

    /**
     * Returns a list of files in the given directory
     *
     * @param string $dir
     * @param bool $recursive
     * @return array|false
     * @access public
     */
    public function nlist($dir = '.', $recursive = false)
    {
        return $this->nlist_helper($dir, $recursive, '');
    }

    /**
     * Helper method for nlist
     *
     * @param string $dir
     * @param bool $recursive
     * @param string $relativeDir
     * @return array|false
     * @access private
     */
    private function nlist_helper($dir, $recursive, $relativeDir)
    {
        $files = $this->readlist($dir, false);

        if (!$recursive || $files === false) {
            return $files;
        }

        $result = [];
        foreach ($files as $value) {
            if ($value == '.' || $value == '..') {
                $result[] = $relativeDir . $value;
                continue;
            }
            if (is_array($this->query_stat_cache($this->realpath($dir . '/' . $value)))) {
                $temp = $this->nlist_helper($dir . '/' . $value, true, $relativeDir . $value . '/');
                $temp = is_array($temp) ? $temp : [];
                $result = array_merge($result, $temp);
            } else {
                $result[] = $relativeDir . $value;
            }
        }

        return $result;
    }

    /**
     * Returns a detailed list of files in the given directory
     *
     * @param string $dir
     * @param bool $recursive
     * @return array|false
     * @access public
     */
    public function rawlist($dir = '.', $recursive = false)
    {
        $files = $this->readlist($dir, true);
        if (!$recursive || $files === false) {
            return $files;
        }

        static $depth = 0;

        foreach ($files as $key => $value) {
            if ($depth != 0 && $key == '..') {
                unset($files[$key]);
                continue;
            }
            $is_directory = false;
            if ($key != '.' && $key != '..') {
                if ($this->use_stat_cache) {
                    $is_directory = is_array($this->query_stat_cache($this->realpath($dir . '/' . $key)));
                } else {
                    $stat = $this->lstat($dir . '/' . $key);
                    $is_directory = $stat && $stat['type'] === NET_SFTP_TYPE_DIRECTORY;
                }
            }

            if ($is_directory) {
                $depth++;
                $files[$key] = $this->rawlist($dir . '/' . $key, true);
                $depth--;
            } else {
                $files[$key] = (object) $value;
            }
        }

        return $files;
    }

    /**
     * Reads a list, be it detailed or not, of files in the given directory
     *
     * @param string $dir
     * @param bool $raw
     * @return array|false
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @access private
     */
    private function readlist($dir, $raw = true)
    {
        if (!$this->precheck()) {
            return false;
        }

        $dir = $this->realpath($dir . '/');
        if ($dir === false) {
            return false;
        }

        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.2
        $this->send_sftp_packet(NET_SFTP_OPENDIR, Strings::packSSH2('s', $dir));

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.2
                // since 'handle' is the last field in the SSH_FXP_HANDLE packet, we'll just remove the first four bytes that
                // represent the length of the string and leave it at that
                $handle = substr($response, 4);
                break;
            case NET_SFTP_STATUS:
                // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
                $this->logError($response);
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }

        $this->update_stat_cache($dir, []);

        $contents = [];
        while (true) {
            // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.2
            // why multiple SSH_FXP_READDIR packets would be sent when the response to a single one can span arbitrarily many
            // SSH_MSG_CHANNEL_DATA messages is not known to me.
            $this->send_sftp_packet(NET_SFTP_READDIR, Strings::packSSH2('s', $handle));

            $response = $this->get_sftp_packet();
            switch ($this->packet_type) {
                case NET_SFTP_NAME:
                    list($count) = Strings::unpackSSH2('N', $response);
                    for ($i = 0; $i < $count; $i++) {
                        list($shortname) = Strings::unpackSSH2('s', $response);
                        // SFTPv4 "removed the long filename from the names structure-- it can now be
                        //         built from information available in the attrs structure."
                        if ($this->version < 4) {
                            list($longname) = Strings::unpackSSH2('s', $response);
                        }
                        $attributes = $this->parseAttributes($response);
                        if (!isset($attributes['type']) && $this->version < 4) {
                            $fileType = $this->parseLongname($longname);
                            if ($fileType) {
                                $attributes['type'] = $fileType;
                            }
                        }
                        $contents[$shortname] = $attributes + ['filename' => $shortname];

                        if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) {
                            $this->update_stat_cache($dir . '/' . $shortname, []);
                        } else {
                            if ($shortname == '..') {
                                $temp = $this->realpath($dir . '/..') . '/.';
                            } else {
                                $temp = $dir . '/' . $shortname;
                            }
                            $this->update_stat_cache($temp, (object) ['lstat' => $attributes]);
                        }
                        // SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the
                        // final SSH_FXP_STATUS packet should tell us that, already.
                    }
                    break;
                case NET_SFTP_STATUS:
                    list($status) = Strings::unpackSSH2('N', $response);
                    if ($status != NET_SFTP_STATUS_EOF) {
                        $this->logError($response, $status);
                        return false;
                    }
                    break 2;
                default:
                    throw new \UnexpectedValueException('Expected NET_SFTP_NAME or NET_SFTP_STATUS. '
                                                      . 'Got packet type: ' . $this->packet_type);
            }
        }

        if (!$this->close_handle($handle)) {
            return false;
        }

        if (count($this->sortOptions)) {
            uasort($contents, [&$this, 'comparator']);
        }

        return $raw ? $contents : array_map('strval', array_keys($contents));
    }

    /**
     * Compares two rawlist entries using parameters set by setListOrder()
     *
     * Intended for use with uasort()
     *
     * @param array $a
     * @param array $b
     * @return int
     * @access private
     */
    private function comparator($a, $b)
    {
        switch (true) {
            case $a['filename'] === '.' || $b['filename'] === '.':
                if ($a['filename'] === $b['filename']) {
                    return 0;
                }
                return $a['filename'] === '.' ? -1 : 1;
            case $a['filename'] === '..' || $b['filename'] === '..':
                if ($a['filename'] === $b['filename']) {
                    return 0;
                }
                return $a['filename'] === '..' ? -1 : 1;
            case isset($a['type']) && $a['type'] === NET_SFTP_TYPE_DIRECTORY:
                if (!isset($b['type'])) {
                    return 1;
                }
                if ($b['type'] !== $a['type']) {
                    return -1;
                }
                break;
            case isset($b['type']) && $b['type'] === NET_SFTP_TYPE_DIRECTORY:
                return 1;
        }
        foreach ($this->sortOptions as $sort => $order) {
            if (!isset($a[$sort]) || !isset($b[$sort])) {
                if (isset($a[$sort])) {
                    return -1;
                }
                if (isset($b[$sort])) {
                    return 1;
                }
                return 0;
            }
            switch ($sort) {
                case 'filename':
                    $result = strcasecmp($a['filename'], $b['filename']);
                    if ($result) {
                        return $order === SORT_DESC ? -$result : $result;
                    }
                    break;
                case 'mode':
                    $a[$sort] &= 07777;
                    $b[$sort] &= 07777;
                    // fall-through
                default:
                    if ($a[$sort] === $b[$sort]) {
                        break;
                    }
                    return $order === SORT_ASC ? $a[$sort] - $b[$sort] : $b[$sort] - $a[$sort];
            }
        }
    }

    /**
     * Defines how nlist() and rawlist() will be sorted - if at all.
     *
     * If sorting is enabled directories and files will be sorted independently with
     * directories appearing before files in the resultant array that is returned.
     *
     * Any parameter returned by stat is a valid sort parameter for this function.
     * Filename comparisons are case insensitive.
     *
     * Examples:
     *
     * $sftp->setListOrder('filename', SORT_ASC);
     * $sftp->setListOrder('size', SORT_DESC, 'filename', SORT_ASC);
     * $sftp->setListOrder(true);
     *    Separates directories from files but doesn't do any sorting beyond that
     * $sftp->setListOrder();
     *    Don't do any sort of sorting
     *
     * @param string ...$args
     * @access public
     */
    public function setListOrder(...$args)
    {
        $this->sortOptions = [];
        if (empty($args)) {
            return;
        }
        $len = count($args) & 0x7FFFFFFE;
        for ($i = 0; $i < $len; $i += 2) {
            $this->sortOptions[$args[$i]] = $args[$i + 1];
        }
        if (!count($this->sortOptions)) {
            $this->sortOptions = ['bogus' => true];
        }
    }

    /**
     * Save files / directories to cache
     *
     * @param string $path
     * @param mixed $value
     * @access private
     */
    private function update_stat_cache($path, $value)
    {
        if ($this->use_stat_cache === false) {
            return;
        }

        // preg_replace('#^/|/(?=/)|/$#', '', $dir) == str_replace('//', '/', trim($path, '/'))
        $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));

        $temp = &$this->stat_cache;
        $max = count($dirs) - 1;
        foreach ($dirs as $i => $dir) {
            // if $temp is an object that means one of two things.
            //  1. a file was deleted and changed to a directory behind phpseclib's back
            //  2. it's a symlink. when lstat is done it's unclear what it's a symlink to
            if (is_object($temp)) {
                $temp = [];
            }
            if (!isset($temp[$dir])) {
                $temp[$dir] = [];
            }
            if ($i === $max) {
                if (is_object($temp[$dir]) && is_object($value)) {
                    if (!isset($value->stat) && isset($temp[$dir]->stat)) {
                        $value->stat = $temp[$dir]->stat;
                    }
                    if (!isset($value->lstat) && isset($temp[$dir]->lstat)) {
                        $value->lstat = $temp[$dir]->lstat;
                    }
                }
                $temp[$dir] = $value;
                break;
            }
            $temp = &$temp[$dir];
        }
    }

    /**
     * Remove files / directories from cache
     *
     * @param string $path
     * @return bool
     * @access private
     */
    private function remove_from_stat_cache($path)
    {
        $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));

        $temp = &$this->stat_cache;
        $max = count($dirs) - 1;
        foreach ($dirs as $i => $dir) {
            if (!is_array($temp)) {
                return false;
            }
            if ($i === $max) {
                unset($temp[$dir]);
                return true;
            }
            if (!isset($temp[$dir])) {
                return false;
            }
            $temp = &$temp[$dir];
        }
    }

    /**
     * Checks cache for path
     *
     * Mainly used by file_exists
     *
     * @param string $path
     * @return mixed
     * @access private
     */
    private function query_stat_cache($path)
    {
        $dirs = explode('/', preg_replace('#^/|/(?=/)|/$#', '', $path));

        $temp = &$this->stat_cache;
        foreach ($dirs as $dir) {
            if (!is_array($temp)) {
                return null;
            }
            if (!isset($temp[$dir])) {
                return null;
            }
            $temp = &$temp[$dir];
        }
        return $temp;
    }

    /**
     * Returns general information about a file.
     *
     * Returns an array on success and false otherwise.
     *
     * @param string $filename
     * @return array|false
     * @access public
     */
    public function stat($filename)
    {
        if (!$this->precheck()) {
            return false;
        }

        $filename = $this->realpath($filename);
        if ($filename === false) {
            return false;
        }

        if ($this->use_stat_cache) {
            $result = $this->query_stat_cache($filename);
            if (is_array($result) && isset($result['.']) && isset($result['.']->stat)) {
                return $result['.']->stat;
            }
            if (is_object($result) && isset($result->stat)) {
                return $result->stat;
            }
        }

        $stat = $this->stat_helper($filename, NET_SFTP_STAT);
        if ($stat === false) {
            $this->remove_from_stat_cache($filename);
            return false;
        }
        if (isset($stat['type'])) {
            if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
                $filename .= '/.';
            }
            $this->update_stat_cache($filename, (object) ['stat' => $stat]);
            return $stat;
        }

        $pwd = $this->pwd;
        $stat['type'] = $this->chdir($filename) ?
            NET_SFTP_TYPE_DIRECTORY :
            NET_SFTP_TYPE_REGULAR;
        $this->pwd = $pwd;

        if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
            $filename .= '/.';
        }
        $this->update_stat_cache($filename, (object) ['stat' => $stat]);

        return $stat;
    }

    /**
     * Returns general information about a file or symbolic link.
     *
     * Returns an array on success and false otherwise.
     *
     * @param string $filename
     * @return array|false
     * @access public
     */
    public function lstat($filename)
    {
        if (!$this->precheck()) {
            return false;
        }

        $filename = $this->realpath($filename);
        if ($filename === false) {
            return false;
        }

        if ($this->use_stat_cache) {
            $result = $this->query_stat_cache($filename);
            if (is_array($result) && isset($result['.']) && isset($result['.']->lstat)) {
                return $result['.']->lstat;
            }
            if (is_object($result) && isset($result->lstat)) {
                return $result->lstat;
            }
        }

        $lstat = $this->stat_helper($filename, NET_SFTP_LSTAT);
        if ($lstat === false) {
            $this->remove_from_stat_cache($filename);
            return false;
        }
        if (isset($lstat['type'])) {
            if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
                $filename .= '/.';
            }
            $this->update_stat_cache($filename, (object) ['lstat' => $lstat]);
            return $lstat;
        }

        $stat = $this->stat_helper($filename, NET_SFTP_STAT);

        if ($lstat != $stat) {
            $lstat = array_merge($lstat, ['type' => NET_SFTP_TYPE_SYMLINK]);
            $this->update_stat_cache($filename, (object) ['lstat' => $lstat]);
            return $stat;
        }

        $pwd = $this->pwd;
        $lstat['type'] = $this->chdir($filename) ?
            NET_SFTP_TYPE_DIRECTORY :
            NET_SFTP_TYPE_REGULAR;
        $this->pwd = $pwd;

        if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
            $filename .= '/.';
        }
        $this->update_stat_cache($filename, (object) ['lstat' => $lstat]);

        return $lstat;
    }

    /**
     * Returns general information about a file or symbolic link
     *
     * Determines information without calling \phpseclib3\Net\SFTP::realpath().
     * The second parameter can be either NET_SFTP_STAT or NET_SFTP_LSTAT.
     *
     * @param string $filename
     * @param int $type
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return array|false
     * @access private
     */
    private function stat_helper($filename, $type)
    {
        // SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
        $packet = Strings::packSSH2('s', $filename);
        $this->send_sftp_packet($type, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_ATTRS:
                return $this->parseAttributes($response);
            case NET_SFTP_STATUS:
                $this->logError($response);
                return false;
        }

        throw new \UnexpectedValueException('Expected NET_SFTP_ATTRS or NET_SFTP_STATUS. '
                                          . 'Got packet type: ' . $this->packet_type);
    }

    /**
     * Truncates a file to a given length
     *
     * @param string $filename
     * @param int $new_size
     * @return bool
     * @access public
     */
    public function truncate($filename, $new_size)
    {
        $attr = Strings::packSSH2('NQ', NET_SFTP_ATTR_SIZE, $new_size);

        return $this->setstat($filename, $attr, false);
    }

    /**
     * Sets access and modification time of file.
     *
     * If the file does not exist, it will be created.
     *
     * @param string $filename
     * @param int $time
     * @param int $atime
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access public
     */
    public function touch($filename, $time = null, $atime = null)
    {
        if (!$this->precheck()) {
            return false;
        }

        $filename = $this->realpath($filename);
        if ($filename === false) {
            return false;
        }

        if (!isset($time)) {
            $time = time();
        }
        if (!isset($atime)) {
            $atime = $time;
        }

        $attr = $this->version < 4 ?
            pack('N3', NET_SFTP_ATTR_ACCESSTIME, $atime, $time) :
            Strings::packSSH2('NQ2', NET_SFTP_ATTR_ACCESSTIME | NET_SFTP_ATTR_MODIFYTIME, $atime, $time);

        $packet = Strings::packSSH2('s', $filename);
        $packet .= $this->version >= 5 ?
            pack('N2', 0, NET_SFTP_OPEN_OPEN_EXISTING) :
            pack('N', NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL);
        $packet .= $attr;

        $this->send_sftp_packet(NET_SFTP_OPEN, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                return $this->close_handle(substr($response, 4));
            case NET_SFTP_STATUS:
                $this->logError($response);
                break;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }

        return $this->setstat($filename, $attr, false);
    }

    /**
     * Changes file or directory owner
     *
     * $uid should be an int for SFTPv3 and a string for SFTPv4+. Ideally the string
     * would be of the form "user@dns_domain" but it does not need to be.
     * `$sftp->getSupportedVersions()['version']` will return the specific version
     * that's being used.
     *
     * Returns true on success or false on error.
     *
     * @param string $filename
     * @param int|string $uid
     * @param bool $recursive
     * @return bool
     * @access public
     */
    public function chown($filename, $uid, $recursive = false)
    {
        /*
         quoting <https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.5>,

         "To avoid a representation that is tied to a particular underlying
          implementation at the client or server, the use of UTF-8 strings has
          been chosen.  The string should be of the form "user@dns_domain".
          This will allow for a client and server that do not use the same
          local representation the ability to translate to a common syntax that
          can be interpreted by both.  In the case where there is no
          translation available to the client or server, the attribute value
          must be constructed without the "@"."

         phpseclib _could_ auto append the dns_domain to $uid BUT what if it shouldn't
         have one? phpseclib would have no way of knowing so rather than guess phpseclib
         will just use whatever value the user provided
       */

        $attr = $this->version < 4 ?
            // quoting <http://www.kernel.org/doc/man-pages/online/pages/man2/chown.2.html>,
            // "if the owner or group is specified as -1, then that ID is not changed"
            pack('N3', NET_SFTP_ATTR_UIDGID, $uid, -1) :
            // quoting <https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.5>,
            // "If either the owner or group field is zero length, the field should be
            //  considered absent, and no change should be made to that specific field
            //  during a modification operation"
            Strings::packSSH2('Nss', NET_SFTP_ATTR_OWNERGROUP, $uid, '');

        return $this->setstat($filename, $attr, $recursive);
    }

    /**
     * Changes file or directory group
     *
     * $gid should be an int for SFTPv3 and a string for SFTPv4+. Ideally the string
     * would be of the form "user@dns_domain" but it does not need to be.
     * `$sftp->getSupportedVersions()['version']` will return the specific version
     * that's being used.
     *
     * Returns true on success or false on error.
     *
     * @param string $filename
     * @param int|string $gid
     * @param bool $recursive
     * @return bool
     * @access public
     */
    public function chgrp($filename, $gid, $recursive = false)
    {
        $attr = $this->version < 4 ?
            pack('N3', NET_SFTP_ATTR_UIDGID, -1, $gid) :
            Strings::packSSH2('Nss', NET_SFTP_ATTR_OWNERGROUP, '', $gid);

        return $this->setstat($filename, $attr, $recursive);
    }

    /**
     * Set permissions on a file.
     *
     * Returns the new file permissions on success or false on error.
     * If $recursive is true than this just returns true or false.
     *
     * @param int $mode
     * @param string $filename
     * @param bool $recursive
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return mixed
     * @access public
     */
    public function chmod($mode, $filename, $recursive = false)
    {
        if (is_string($mode) && is_int($filename)) {
            $temp = $mode;
            $mode = $filename;
            $filename = $temp;
        }

        $attr = pack('N2', NET_SFTP_ATTR_PERMISSIONS, $mode & 07777);
        if (!$this->setstat($filename, $attr, $recursive)) {
            return false;
        }
        if ($recursive) {
            return true;
        }

        $filename = $this->realpath($filename);
        // rather than return what the permissions *should* be, we'll return what they actually are.  this will also
        // tell us if the file actually exists.
        // incidentally, SFTPv4+ adds an additional 32-bit integer field - flags - to the following:
        $packet = pack('Na*', strlen($filename), $filename);
        $this->send_sftp_packet(NET_SFTP_STAT, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_ATTRS:
                $attrs = $this->parseAttributes($response);
                return $attrs['mode'];
            case NET_SFTP_STATUS:
                $this->logError($response);
                return false;
        }

        throw new \UnexpectedValueException('Expected NET_SFTP_ATTRS or NET_SFTP_STATUS. '
                                          . 'Got packet type: ' . $this->packet_type);
    }

    /**
     * Sets information about a file
     *
     * @param string $filename
     * @param string $attr
     * @param bool $recursive
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access private
     */
    private function setstat($filename, $attr, $recursive)
    {
        if (!$this->precheck()) {
            return false;
        }

        $filename = $this->realpath($filename);
        if ($filename === false) {
            return false;
        }

        $this->remove_from_stat_cache($filename);

        if ($recursive) {
            $i = 0;
            $result = $this->setstat_recursive($filename, $attr, $i);
            $this->read_put_responses($i);
            return $result;
        }

        $packet = Strings::packSSH2('s', $filename);
        $packet .= $this->version >= 4 ?
            pack('a*Ca*', substr($attr, 0, 4), NET_SFTP_TYPE_UNKNOWN, substr($attr, 4)) :
            $attr;
        $this->send_sftp_packet(NET_SFTP_SETSTAT, $packet);

        /*
         "Because some systems must use separate system calls to set various attributes, it is possible that a failure
          response will be returned, but yet some of the attributes may be have been successfully modified.  If possible,
          servers SHOULD avoid this situation; however, clients MUST be aware that this is possible."

          -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.6
        */
        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            return false;
        }

        return true;
    }

    /**
     * Recursively sets information on directories on the SFTP server
     *
     * Minimizes directory lookups and SSH_FXP_STATUS requests for speed.
     *
     * @param string $path
     * @param string $attr
     * @param int $i
     * @return bool
     * @access private
     */
    private function setstat_recursive($path, $attr, &$i)
    {
        if (!$this->read_put_responses($i)) {
            return false;
        }
        $i = 0;
        $entries = $this->readlist($path, true);

        if ($entries === false) {
            return $this->setstat($path, $attr, false);
        }

        // normally $entries would have at least . and .. but it might not if the directories
        // permissions didn't allow reading
        if (empty($entries)) {
            return false;
        }

        unset($entries['.'], $entries['..']);
        foreach ($entries as $filename => $props) {
            if (!isset($props['type'])) {
                return false;
            }

            $temp = $path . '/' . $filename;
            if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
                if (!$this->setstat_recursive($temp, $attr, $i)) {
                    return false;
                }
            } else {
                $packet = Strings::packSSH2('s', $temp);
                $packet .= $this->version >= 4 ?
                    pack('Ca*', NET_SFTP_TYPE_UNKNOWN, $attr) :
                    $attr;
                $this->send_sftp_packet(NET_SFTP_SETSTAT, $packet);

                $i++;

                if ($i >= NET_SFTP_QUEUE_SIZE) {
                    if (!$this->read_put_responses($i)) {
                        return false;
                    }
                    $i = 0;
                }
            }
        }

        $packet = Strings::packSSH2('s', $path);
        $packet .= $this->version >= 4 ?
            pack('Ca*', NET_SFTP_TYPE_UNKNOWN, $attr) :
            $attr;
        $this->send_sftp_packet(NET_SFTP_SETSTAT, $packet);

        $i++;

        if ($i >= NET_SFTP_QUEUE_SIZE) {
            if (!$this->read_put_responses($i)) {
                return false;
            }
            $i = 0;
        }

        return true;
    }

    /**
     * Return the target of a symbolic link
     *
     * @param string $link
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return mixed
     * @access public
     */
    public function readlink($link)
    {
        if (!$this->precheck()) {
            return false;
        }

        $link = $this->realpath($link);

        $this->send_sftp_packet(NET_SFTP_READLINK, Strings::packSSH2('s', $link));

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_NAME:
                break;
            case NET_SFTP_STATUS:
                $this->logError($response);
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_NAME or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }

        list($count) = Strings::unpackSSH2('N', $response);
        // the file isn't a symlink
        if (!$count) {
            return false;
        }

        list($filename) = Strings::unpackSSH2('s', $response);

        return $filename;
    }

    /**
     * Create a symlink
     *
     * symlink() creates a symbolic link to the existing target with the specified name link.
     *
     * @param string $target
     * @param string $link
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access public
     */
    public function symlink($target, $link)
    {
        if (!$this->precheck()) {
            return false;
        }

        //$target = $this->realpath($target);
        $link = $this->realpath($link);

        /* quoting https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-09#section-12.1 :

           Changed the SYMLINK packet to be LINK and give it the ability to
           create hard links.  Also change it's packet number because many
           implementation implemented SYMLINK with the arguments reversed.
           Hopefully the new argument names make it clear which way is which.
        */
        if ($this->version == 6) {
            $type = NET_SFTP_LINK;
            $packet = Strings::packSSH2('ssC', $link, $target, 1);
        } else {
            $type = NET_SFTP_SYMLINK;
            /* quoting http://bxr.su/OpenBSD/usr.bin/ssh/PROTOCOL#347 :

               3.1. sftp: Reversal of arguments to SSH_FXP_SYMLINK

               When OpenSSH's sftp-server was implemented, the order of the arguments
               to the SSH_FXP_SYMLINK method was inadvertently reversed. Unfortunately,
               the reversal was not noticed until the server was widely deployed. Since
               fixing this to follow the specification would cause incompatibility, the
               current order was retained. For correct operation, clients should send
               SSH_FXP_SYMLINK as follows:

                   uint32      id
                   string      targetpath
                   string      linkpath */
            $packet = substr($this->server_identifier, 0, 15) == 'SSH-2.0-OpenSSH' ?
                Strings::packSSH2('ss', $target, $link) :
                Strings::packSSH2('ss', $link, $target);
        }
        $this->send_sftp_packet($type, $packet);

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            return false;
        }

        return true;
    }

    /**
     * Creates a directory.
     *
     * @param string $dir
     * @param int $mode
     * @param bool $recursive
     * @return bool
     * @access public
     */
    public function mkdir($dir, $mode = -1, $recursive = false)
    {
        if (!$this->precheck()) {
            return false;
        }

        $dir = $this->realpath($dir);

        if ($recursive) {
            $dirs = explode('/', preg_replace('#/(?=/)|/$#', '', $dir));
            if (empty($dirs[0])) {
                array_shift($dirs);
                $dirs[0] = '/' . $dirs[0];
            }
            for ($i = 0; $i < count($dirs); $i++) {
                $temp = array_slice($dirs, 0, $i + 1);
                $temp = implode('/', $temp);
                $result = $this->mkdir_helper($temp, $mode);
            }
            return $result;
        }

        return $this->mkdir_helper($dir, $mode);
    }

    /**
     * Helper function for directory creation
     *
     * @param string $dir
     * @param int $mode
     * @return bool
     * @access private
     */
    private function mkdir_helper($dir, $mode)
    {
        // send SSH_FXP_MKDIR without any attributes (that's what the \0\0\0\0 is doing)
        $this->send_sftp_packet(NET_SFTP_MKDIR, Strings::packSSH2('s', $dir) . "\0\0\0\0");

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            return false;
        }

        if ($mode !== -1) {
            $this->chmod($mode, $dir);
        }

        return true;
    }

    /**
     * Removes a directory.
     *
     * @param string $dir
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return bool
     * @access public
     */
    public function rmdir($dir)
    {
        if (!$this->precheck()) {
            return false;
        }

        $dir = $this->realpath($dir);
        if ($dir === false) {
            return false;
        }

        $this->send_sftp_packet(NET_SFTP_RMDIR, Strings::packSSH2('s', $dir));

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED?
            $this->logError($response, $status);
            return false;
        }

        $this->remove_from_stat_cache($dir);
        // the following will do a soft delete, which would be useful if you deleted a file
        // and then tried to do a stat on the deleted file. the above, in contrast, does
        // a hard delete
        //$this->update_stat_cache($dir, false);

        return true;
    }

    /**
     * Uploads a file to the SFTP server.
     *
     * By default, \phpseclib3\Net\SFTP::put() does not read from the local filesystem.  $data is dumped directly into $remote_file.
     * So, for example, if you set $data to 'filename.ext' and then do \phpseclib3\Net\SFTP::get(), you will get a file, twelve bytes
     * long, containing 'filename.ext' as its contents.
     *
     * Setting $mode to self::SOURCE_LOCAL_FILE will change the above behavior.  With self::SOURCE_LOCAL_FILE, $remote_file will
     * contain as many bytes as filename.ext does on your local filesystem.  If your filename.ext is 1MB then that is how
     * large $remote_file will be, as well.
     *
     * Setting $mode to self::SOURCE_CALLBACK will use $data as callback function, which gets only one parameter -- number
     * of bytes to return, and returns a string if there is some data or null if there is no more data
     *
     * If $data is a resource then it'll be used as a resource instead.
     *
     * Currently, only binary mode is supported.  As such, if the line endings need to be adjusted, you will need to take
     * care of that, yourself.
     *
     * $mode can take an additional two parameters - self::RESUME and self::RESUME_START. These are bitwise AND'd with
     * $mode. So if you want to resume upload of a 300mb file on the local file system you'd set $mode to the following:
     *
     * self::SOURCE_LOCAL_FILE | self::RESUME
     *
     * If you wanted to simply append the full contents of a local file to the full contents of a remote file you'd replace
     * self::RESUME with self::RESUME_START.
     *
     * If $mode & (self::RESUME | self::RESUME_START) then self::RESUME_START will be assumed.
     *
     * $start and $local_start give you more fine grained control over this process and take precident over self::RESUME
     * when they're non-negative. ie. $start could let you write at the end of a file (like self::RESUME) or in the middle
     * of one. $local_start could let you start your reading from the end of a file (like self::RESUME_START) or in the
     * middle of one.
     *
     * Setting $local_start to > 0 or $mode | self::RESUME_START doesn't do anything unless $mode | self::SOURCE_LOCAL_FILE.
     *
     * {@internal ASCII mode for SFTPv4/5/6 can be supported by adding a new function - \phpseclib3\Net\SFTP::setMode().}
     *
     * @param string $remote_file
     * @param string|resource $data
     * @param int $mode
     * @param int $start
     * @param int $local_start
     * @param callable|null $progressCallback
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @throws \BadFunctionCallException if you're uploading via a callback and the callback function is invalid
     * @throws \phpseclib3\Exception\FileNotFoundException if you're uploading via a file and the file doesn't exist
     * @return bool
     * @access public
     */
    public function put($remote_file, $data, $mode = self::SOURCE_STRING, $start = -1, $local_start = -1, $progressCallback = null)
    {
        if (!$this->precheck()) {
            return false;
        }

        $remote_file = $this->realpath($remote_file);
        if ($remote_file === false) {
            return false;
        }

        $this->remove_from_stat_cache($remote_file);

        if ($this->version >= 5) {
            $flags = NET_SFTP_OPEN_OPEN_OR_CREATE;
        } else {
            $flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
            // according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file."
            // in practice, it doesn't seem to do that.
            //$flags|= ($mode & self::RESUME) ? NET_SFTP_OPEN_APPEND : NET_SFTP_OPEN_TRUNCATE;
        }

        if ($start >= 0) {
            $offset = $start;
        } elseif ($mode & self::RESUME) {
            // if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called
            $size = $this->stat($remote_file)['size'];
            $offset = $size !== false ? $size : 0;
        } else {
            $offset = 0;
            if ($this->version >= 5) {
                $flags = NET_SFTP_OPEN_CREATE_TRUNCATE;
            } else {
                $flags |= NET_SFTP_OPEN_TRUNCATE;
            }
        }

        $this->remove_from_stat_cache($remote_file);

        $packet = Strings::packSSH2('s', $remote_file);
        $packet .= $this->version >= 5 ?
            pack('N3', 0, $flags, 0) :
            pack('N2', $flags, 0);
        $this->send_sftp_packet(NET_SFTP_OPEN, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                $handle = substr($response, 4);
                break;
            case NET_SFTP_STATUS:
                $this->logError($response);
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }

        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.2.3
        $dataCallback = false;
        switch (true) {
            case $mode & self::SOURCE_CALLBACK:
                if (!is_callable($data)) {
                    throw new \BadFunctionCallException("\$data should be is_callable() if you specify SOURCE_CALLBACK flag");
                }
                $dataCallback = $data;
                // do nothing
                break;
            case is_resource($data):
                $mode = $mode & ~self::SOURCE_LOCAL_FILE;
                $info = stream_get_meta_data($data);
                if ($info['wrapper_type'] == 'PHP' && $info['stream_type'] == 'Input') {
                    $fp = fopen('php://memory', 'w+');
                    stream_copy_to_stream($data, $fp);
                    rewind($fp);
                } else {
                    $fp = $data;
                }
                break;
            case $mode & self::SOURCE_LOCAL_FILE:
                if (!is_file($data)) {
                    throw new FileNotFoundException("$data is not a valid file");
                }
                $fp = @fopen($data, 'rb');
                if (!$fp) {
                    return false;
                }
        }

        if (isset($fp)) {
            $stat = fstat($fp);
            $size = !empty($stat) ? $stat['size'] : 0;

            if ($local_start >= 0) {
                fseek($fp, $local_start);
                $size -= $local_start;
            }
        } elseif ($dataCallback) {
            $size = 0;
        } else {
            $size = strlen($data);
        }

        $sent = 0;
        $size = $size < 0 ? ($size & 0x7FFFFFFF) + 0x80000000 : $size;

        $sftp_packet_size = $this->max_sftp_packet;
        // make the SFTP packet be exactly the SFTP packet size by including the bytes in the NET_SFTP_WRITE packets "header"
        $sftp_packet_size -= strlen($handle) + 25;
        $i = $j = 0;
        while ($dataCallback || ($size === 0 || $sent < $size)) {
            if ($dataCallback) {
                $temp = $dataCallback($sftp_packet_size);
                if (is_null($temp)) {
                    break;
                }
            } else {
                $temp = isset($fp) ? fread($fp, $sftp_packet_size) : substr($data, $sent, $sftp_packet_size);
                if ($temp === false || $temp === '') {
                    break;
                }
            }

            $subtemp = $offset + $sent;
            $packet = pack('Na*N3a*', strlen($handle), $handle, $subtemp / 4294967296, $subtemp, strlen($temp), $temp);
            try {
                $this->send_sftp_packet(NET_SFTP_WRITE, $packet, $j);
            } catch (\Exception $e) {
                if ($mode & self::SOURCE_LOCAL_FILE) {
                    fclose($fp);
                }
                throw $e;
            }
            $sent += strlen($temp);
            if (is_callable($progressCallback)) {
                $progressCallback($sent);
            }

            $i++;
            $j++;
            if ($i == NET_SFTP_UPLOAD_QUEUE_SIZE) {
                if (!$this->read_put_responses($i)) {
                    $i = 0;
                    break;
                }
                $i = 0;
            }
        }

        $result = $this->close_handle($handle);

        if (!$this->read_put_responses($i)) {
            if ($mode & self::SOURCE_LOCAL_FILE) {
                fclose($fp);
            }
            $this->close_handle($handle);
            return false;
        }

        if ($mode & SFTP::SOURCE_LOCAL_FILE) {
            if (isset($fp) && is_resource($fp)) {
                fclose($fp);
            }

            if ($this->preserveTime) {
                $stat = stat($data);
                $attr = $this->version < 4 ?
                    pack('N3', NET_SFTP_ATTR_ACCESSTIME, $stat['atime'], $stat['time']) :
                    Strings::packSSH2('NQ2', NET_SFTP_ATTR_ACCESSTIME | NET_SFTP_ATTR_MODIFYTIME, $stat['atime'], $stat['time']);
                if (!$this->setstat($remote_file, $attr, false)) {
                    throw new \RuntimeException('Error setting file time');
                }
            }
        }

        return $result;
    }

    /**
     * Reads multiple successive SSH_FXP_WRITE responses
     *
     * Sending an SSH_FXP_WRITE packet and immediately reading its response isn't as efficient as blindly sending out $i
     * SSH_FXP_WRITEs, in succession, and then reading $i responses.
     *
     * @param int $i
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @access private
     */
    private function read_put_responses($i)
    {
        while ($i--) {
            $response = $this->get_sftp_packet();
            if ($this->packet_type != NET_SFTP_STATUS) {
                throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
            }

            list($status) = Strings::unpackSSH2('N', $response);
            if ($status != NET_SFTP_STATUS_OK) {
                $this->logError($response, $status);
                break;
            }
        }

        return $i < 0;
    }

    /**
     * Close handle
     *
     * @param string $handle
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @access private
     */
    private function close_handle($handle)
    {
        $this->send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle));

        // "The client MUST release all resources associated with the handle regardless of the status."
        //  -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.1.3
        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            return false;
        }

        return true;
    }

    /**
     * Downloads a file from the SFTP server.
     *
     * Returns a string containing the contents of $remote_file if $local_file is left undefined or a boolean false if
     * the operation was unsuccessful.  If $local_file is defined, returns true or false depending on the success of the
     * operation.
     *
     * $offset and $length can be used to download files in chunks.
     *
     * @param string $remote_file
     * @param string|bool|resource|callable $local_file
     * @param int $offset
     * @param int $length
     * @param callable|null $progressCallback
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @return string|false
     * @access public
     */
    public function get($remote_file, $local_file = false, $offset = 0, $length = -1, $progressCallback = null)
    {
        if (!$this->precheck()) {
            return false;
        }

        $remote_file = $this->realpath($remote_file);
        if ($remote_file === false) {
            return false;
        }

        $packet = Strings::packSSH2('s', $remote_file);
        $packet .= $this->version >= 5 ?
            pack('N3', 0, NET_SFTP_OPEN_OPEN_EXISTING, 0) :
            pack('N2', NET_SFTP_OPEN_READ, 0);
        $this->send_sftp_packet(NET_SFTP_OPEN, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                $handle = substr($response, 4);
                break;
            case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
                $this->logError($response);
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }

        if (is_resource($local_file)) {
            $fp = $local_file;
            $stat = fstat($fp);
            $res_offset = $stat['size'];
        } else {
            $res_offset = 0;
            if ($local_file !== false && !is_callable($local_file)) {
                $fp = fopen($local_file, 'wb');
                if (!$fp) {
                    return false;
                }
            } else {
                $content = '';
            }
        }

        $fclose_check = $local_file !== false && !is_callable($local_file) && !is_resource($local_file);

        $start = $offset;
        $read = 0;
        while (true) {
            $i = 0;

            while ($i < NET_SFTP_QUEUE_SIZE && ($length < 0 || $read < $length)) {
                $tempoffset = $start + $read;

                $packet_size = $length > 0 ? min($this->max_sftp_packet, $length - $read) : $this->max_sftp_packet;

                $packet = Strings::packSSH2('sN3', $handle, $tempoffset / 4294967296, $tempoffset, $packet_size);
                try {
                    $this->send_sftp_packet(NET_SFTP_READ, $packet, $i);
                } catch (\Exception $e) {
                    if ($fclose_check) {
                        fclose($fp);
                    }
                    throw $e;
                }
                $packet = null;
                $read += $packet_size;
                $i++;
            }

            if (!$i) {
                break;
            }

            $packets_sent = $i - 1;

            $clear_responses = false;
            while ($i > 0) {
                $i--;

                if ($clear_responses) {
                    $this->get_sftp_packet($packets_sent - $i);
                    continue;
                } else {
                    $response = $this->get_sftp_packet($packets_sent - $i);
                }

                switch ($this->packet_type) {
                    case NET_SFTP_DATA:
                        $temp = substr($response, 4);
                        $offset += strlen($temp);
                        if ($local_file === false) {
                            $content .= $temp;
                        } elseif (is_callable($local_file)) {
                            $local_file($temp);
                        } else {
                            fputs($fp, $temp);
                        }
                        if (is_callable($progressCallback)) {
                            call_user_func($progressCallback, $offset);
                        }
                        $temp = null;
                        break;
                    case NET_SFTP_STATUS:
                        // could, in theory, return false if !strlen($content) but we'll hold off for the time being
                        $this->logError($response);
                        $clear_responses = true; // don't break out of the loop yet, so we can read the remaining responses
                        break;
                    default:
                        if ($fclose_check) {
                            fclose($fp);
                        }
                        if ($this->channel_close) {
                            $this->partial_init = false;
                            $this->init_sftp_connection();
                            return false;
                        } else {
                            throw new \UnexpectedValueException('Expected NET_SFTP_DATA or NET_SFTP_STATUS. '
                                                              . 'Got packet type: ' . $this->packet_type);
                        }
                }
                $response = null;
            }

            if ($clear_responses) {
                break;
            }
        }

        if ($length > 0 && $length <= $offset - $start) {
            if ($local_file === false) {
                $content = substr($content, 0, $length);
            } else {
                ftruncate($fp, $length + $res_offset);
            }
        }

        if ($fclose_check) {
            fclose($fp);

            if ($this->preserveTime) {
                $stat = $this->stat($remote_file);
                touch($local_file, $stat['mtime'], $stat['atime']);
            }
        }

        if (!$this->close_handle($handle)) {
            return false;
        }

        // if $content isn't set that means a file was written to
        return isset($content) ? $content : true;
    }

    /**
     * Deletes a file on the SFTP server.
     *
     * @param string $path
     * @param bool $recursive
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @access public
     */
    public function delete($path, $recursive = true)
    {
        if (!$this->precheck()) {
            return false;
        }

        if (is_object($path)) {
            // It's an object. Cast it as string before we check anything else.
            $path = (string) $path;
        }

        if (!is_string($path) || $path == '') {
            return false;
        }

        $path = $this->realpath($path);
        if ($path === false) {
            return false;
        }

        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
        $this->send_sftp_packet(NET_SFTP_REMOVE, pack('Na*', strlen($path), $path));

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            if (!$recursive) {
                return false;
            }

            $i = 0;
            $result = $this->delete_recursive($path, $i);
            $this->read_put_responses($i);
            return $result;
        }

        $this->remove_from_stat_cache($path);

        return true;
    }

    /**
     * Recursively deletes directories on the SFTP server
     *
     * Minimizes directory lookups and SSH_FXP_STATUS requests for speed.
     *
     * @param string $path
     * @param int $i
     * @return bool
     * @access private
     */
    private function delete_recursive($path, &$i)
    {
        if (!$this->read_put_responses($i)) {
            return false;
        }
        $i = 0;
        $entries = $this->readlist($path, true);

        // normally $entries would have at least . and .. but it might not if the directories
        // permissions didn't allow reading
        if (empty($entries)) {
            return false;
        }

        unset($entries['.'], $entries['..']);
        foreach ($entries as $filename => $props) {
            if (!isset($props['type'])) {
                return false;
            }

            $temp = $path . '/' . $filename;
            if ($props['type'] == NET_SFTP_TYPE_DIRECTORY) {
                if (!$this->delete_recursive($temp, $i)) {
                    return false;
                }
            } else {
                $this->send_sftp_packet(NET_SFTP_REMOVE, Strings::packSSH2('s', $temp));
                $this->remove_from_stat_cache($temp);

                $i++;

                if ($i >= NET_SFTP_QUEUE_SIZE) {
                    if (!$this->read_put_responses($i)) {
                        return false;
                    }
                    $i = 0;
                }
            }
        }

        $this->send_sftp_packet(NET_SFTP_RMDIR, Strings::packSSH2('s', $path));
        $this->remove_from_stat_cache($path);

        $i++;

        if ($i >= NET_SFTP_QUEUE_SIZE) {
            if (!$this->read_put_responses($i)) {
                return false;
            }
            $i = 0;
        }

        return true;
    }

    /**
     * Checks whether a file or directory exists
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function file_exists($path)
    {
        if ($this->use_stat_cache) {
            if (!$this->precheck()) {
                return false;
            }

            $path = $this->realpath($path);

            $result = $this->query_stat_cache($path);

            if (isset($result)) {
                // return true if $result is an array or if it's an stdClass object
                return $result !== false;
            }
        }

        return $this->stat($path) !== false;
    }

    /**
     * Tells whether the filename is a directory
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_dir($path)
    {
        $result = $this->get_stat_cache_prop($path, 'type');
        if ($result === false) {
            return false;
        }
        return $result === NET_SFTP_TYPE_DIRECTORY;
    }

    /**
     * Tells whether the filename is a regular file
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_file($path)
    {
        $result = $this->get_stat_cache_prop($path, 'type');
        if ($result === false) {
            return false;
        }
        return $result === NET_SFTP_TYPE_REGULAR;
    }

    /**
     * Tells whether the filename is a symbolic link
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_link($path)
    {
        $result = $this->get_lstat_cache_prop($path, 'type');
        if ($result === false) {
            return false;
        }
        return $result === NET_SFTP_TYPE_SYMLINK;
    }

    /**
     * Tells whether a file exists and is readable
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_readable($path)
    {
        if (!$this->precheck()) {
            return false;
        }

        $packet = Strings::packSSH2('sNN', $this->realpath($path), NET_SFTP_OPEN_READ, 0);
        $this->send_sftp_packet(NET_SFTP_OPEN, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                return true;
            case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
                return false;
            default:
                throw new \UnexpectedValueException('Expected NET_SFTP_HANDLE or NET_SFTP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }
    }

    /**
     * Tells whether the filename is writable
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_writable($path)
    {
        if (!$this->precheck()) {
            return false;
        }

        $packet = Strings::packSSH2('sNN', $this->realpath($path), NET_SFTP_OPEN_WRITE, 0);
        $this->send_sftp_packet(NET_SFTP_OPEN, $packet);

        $response = $this->get_sftp_packet();
        switch ($this->packet_type) {
            case NET_SFTP_HANDLE:
                return true;
            case NET_SFTP_STATUS: // presumably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
                return false;
            default:
                throw new \UnexpectedValueException('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS. '
                                                  . 'Got packet type: ' . $this->packet_type);
        }
    }

    /**
     * Tells whether the filename is writeable
     *
     * Alias of is_writable
     *
     * @param string $path
     * @return bool
     * @access public
     */
    public function is_writeable($path)
    {
        return $this->is_writable($path);
    }

    /**
     * Gets last access time of file
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function fileatime($path)
    {
        return $this->get_stat_cache_prop($path, 'atime');
    }

    /**
     * Gets file modification time
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function filemtime($path)
    {
        return $this->get_stat_cache_prop($path, 'mtime');
    }

    /**
     * Gets file permissions
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function fileperms($path)
    {
        return $this->get_stat_cache_prop($path, 'mode');
    }

    /**
     * Gets file owner
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function fileowner($path)
    {
        return $this->get_stat_cache_prop($path, 'uid');
    }

    /**
     * Gets file group
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function filegroup($path)
    {
        return $this->get_stat_cache_prop($path, 'gid');
    }

    /**
     * Gets file size
     *
     * @param string $path
     * @return mixed
     * @access public
     */
    public function filesize($path)
    {
        return $this->get_stat_cache_prop($path, 'size');
    }

    /**
     * Gets file type
     *
     * @param string $path
     * @return string|false
     * @access public
     */
    public function filetype($path)
    {
        $type = $this->get_stat_cache_prop($path, 'type');
        if ($type === false) {
            return false;
        }

        switch ($type) {
            case NET_SFTP_TYPE_BLOCK_DEVICE:
                return 'block';
            case NET_SFTP_TYPE_CHAR_DEVICE:
                return 'char';
            case NET_SFTP_TYPE_DIRECTORY:
                return 'dir';
            case NET_SFTP_TYPE_FIFO:
                return 'fifo';
            case NET_SFTP_TYPE_REGULAR:
                return 'file';
            case NET_SFTP_TYPE_SYMLINK:
                return 'link';
            default:
                return false;
        }
    }

    /**
     * Return a stat properity
     *
     * Uses cache if appropriate.
     *
     * @param string $path
     * @param string $prop
     * @return mixed
     * @access private
     */
    private function get_stat_cache_prop($path, $prop)
    {
        return $this->get_xstat_cache_prop($path, $prop, 'stat');
    }

    /**
     * Return an lstat properity
     *
     * Uses cache if appropriate.
     *
     * @param string $path
     * @param string $prop
     * @return mixed
     * @access private
     */
    private function get_lstat_cache_prop($path, $prop)
    {
        return $this->get_xstat_cache_prop($path, $prop, 'lstat');
    }

    /**
     * Return a stat or lstat properity
     *
     * Uses cache if appropriate.
     *
     * @param string $path
     * @param string $prop
     * @param string $type
     * @return mixed
     * @access private
     */
    private function get_xstat_cache_prop($path, $prop, $type)
    {
        if (!$this->precheck()) {
            return false;
        }

        if ($this->use_stat_cache) {
            $path = $this->realpath($path);

            $result = $this->query_stat_cache($path);

            if (is_object($result) && isset($result->$type)) {
                return $result->{$type}[$prop];
            }
        }

        $result = $this->$type($path);

        if ($result === false || !isset($result[$prop])) {
            return false;
        }

        return $result[$prop];
    }

    /**
     * Renames a file or a directory on the SFTP server.
     *
     * If the file already exists this will return false
     *
     * @param string $oldname
     * @param string $newname
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @access public
     */
    public function rename($oldname, $newname)
    {
        if (!$this->precheck()) {
            return false;
        }

        $oldname = $this->realpath($oldname);
        $newname = $this->realpath($newname);
        if ($oldname === false || $newname === false) {
            return false;
        }

        // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-8.3
        $packet = Strings::packSSH2('ss', $oldname, $newname);
        if ($this->version >= 5) {
            /* quoting https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-05#section-6.5 ,

               'flags' is 0 or a combination of:

                   SSH_FXP_RENAME_OVERWRITE  0x00000001
                   SSH_FXP_RENAME_ATOMIC     0x00000002
                   SSH_FXP_RENAME_NATIVE     0x00000004

               (none of these are currently supported) */
            $packet .= "\0\0\0\0";
        }
        $this->send_sftp_packet(NET_SFTP_RENAME, $packet);

        $response = $this->get_sftp_packet();
        if ($this->packet_type != NET_SFTP_STATUS) {
            throw new \UnexpectedValueException('Expected NET_SFTP_STATUS. '
                                              . 'Got packet type: ' . $this->packet_type);
        }

        // if $status isn't SSH_FX_OK it's probably SSH_FX_NO_SUCH_FILE or SSH_FX_PERMISSION_DENIED
        list($status) = Strings::unpackSSH2('N', $response);
        if ($status != NET_SFTP_STATUS_OK) {
            $this->logError($response, $status);
            return false;
        }

        // don't move the stat cache entry over since this operation could very well change the
        // atime and mtime attributes
        //$this->update_stat_cache($newname, $this->query_stat_cache($oldname));
        $this->remove_from_stat_cache($oldname);
        $this->remove_from_stat_cache($newname);

        return true;
    }

    /**
     * Parse Time
     *
     * See '7.7.  Times' of draft-ietf-secsh-filexfer-13 for more info.
     *
     * @param string $key
     * @param int $flags
     * @param string $response
     * @return array
     * @access private
     */
    private function parseTime($key, $flags, &$response)
    {
        $attr = [];
        list($attr[$key]) = Strings::unpackSSH2('Q', $response);
        if ($flags & NET_SFTP_ATTR_SUBSECOND_TIMES) {
            list($attr[$key . '-nseconds']) = Strings::unpackSSH2('N', $response);
        }
        return $attr;
    }

    /**
     * Parse Attributes
     *
     * See '7.  File Attributes' of draft-ietf-secsh-filexfer-13 for more info.
     *
     * @param string $response
     * @return array
     * @access private
     */
    protected function parseAttributes(&$response)
    {
        if ($this->version >= 4) {
            list($flags, $attr['type']) = Strings::unpackSSH2('NC', $response);
        } else {
            list($flags) = Strings::unpackSSH2('N', $response);
        }

        foreach ($this->attributes as $key => $value) {
            switch ($flags & $key) {
                case NET_SFTP_ATTR_UIDGID:
                    if ($this->version > 3) {
                        continue 2;
                    }
                    break;
                case NET_SFTP_ATTR_CREATETIME:
                case NET_SFTP_ATTR_MODIFYTIME:
                case NET_SFTP_ATTR_ACL:
                case NET_SFTP_ATTR_OWNERGROUP:
                case NET_SFTP_ATTR_SUBSECOND_TIMES:
                    if ($this->version < 4) {
                        continue 2;
                    }
                    break;
                case NET_SFTP_ATTR_BITS:
                    if ($this->version < 5) {
                        continue 2;
                    }
                    break;
                case NET_SFTP_ATTR_ALLOCATION_SIZE:
                case NET_SFTP_ATTR_TEXT_HINT:
                case NET_SFTP_ATTR_MIME_TYPE:
                case NET_SFTP_ATTR_LINK_COUNT:
                case NET_SFTP_ATTR_UNTRANSLATED_NAME:
                case NET_SFTP_ATTR_CTIME:
                    if ($this->version < 6) {
                        continue 2;
                    }
            }
            switch ($flags & $key) {
                case NET_SFTP_ATTR_SIZE:             // 0x00000001
                    // The size attribute is defined as an unsigned 64-bit integer.
                    // The following will use floats on 32-bit platforms, if necessary.
                    // As can be seen in the BigInteger class, floats are generally
                    // IEEE 754 binary64 "double precision" on such platforms and
                    // as such can represent integers of at least 2^50 without loss
                    // of precision. Interpreted in filesize, 2^50 bytes = 1024 TiB.
                    list($attr['size']) = Strings::unpackSSH2('Q', $response);
                    break;
                case NET_SFTP_ATTR_UIDGID: // 0x00000002 (SFTPv3 only)
                    list($attr['uid'], $attr['gid']) = Strings::unpackSSH2('NN', $response);
                    break;
                case NET_SFTP_ATTR_PERMISSIONS: // 0x00000004
                    list($attr['mode']) = Strings::unpackSSH2('N', $response);
                    $fileType = $this->parseMode($attr['mode']);
                    if ($this->version < 4 && $fileType !== false) {
                        $attr += ['type' => $fileType];
                    }
                    break;
                case NET_SFTP_ATTR_ACCESSTIME: // 0x00000008
                    if ($this->version >= 4) {
                        $attr += $this->parseTime('atime', $flags, $response);
                        break;
                    }
                    list($attr['atime'], $attr['mtime']) = Strings::unpackSSH2('NN', $response);
                    break;
                case NET_SFTP_ATTR_CREATETIME:       // 0x00000010 (SFTPv4+)
                    $attr += $this->parseTime('createtime', $flags, $response);
                    break;
                case NET_SFTP_ATTR_MODIFYTIME:       // 0x00000020
                    $attr += $this->parseTime('mtime', $flags, $response);
                    break;
                case NET_SFTP_ATTR_ACL:              // 0x00000040
                    // access control list
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-04#section-5.7
                    // currently unsupported
                    list($count) = Strings::unpackSSH2('N', $response);
                    for ($i = 0; $i < $count; $i++) {
                        list($type, $flag, $mask, $who) = Strings::unpackSSH2('N3s', $result);
                    }
                    break;
                case NET_SFTP_ATTR_OWNERGROUP:       // 0x00000080
                    list($attr['owner'], $attr['$group']) = Strings::unpackSSH2('ss', $response);
                    break;
                case NET_SFTP_ATTR_SUBSECOND_TIMES:  // 0x00000100
                    break;
                case NET_SFTP_ATTR_BITS:             // 0x00000200 (SFTPv5+)
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-05#section-5.8
                    // currently unsupported
                    // tells if you file is:
                    // readonly, system, hidden, case inensitive, archive, encrypted, compressed, sparse
                    // append only, immutable, sync
                    list($attrib_bits, $attrib_bits_valid) = Strings::unpackSSH2('N2', $response);
                    // if we were actually gonna implement the above it ought to be
                    // $attr['attrib-bits'] and $attr['attrib-bits-valid']
                    // eg. - instead of _
                    break;
                case NET_SFTP_ATTR_ALLOCATION_SIZE:  // 0x00000400 (SFTPv6+)
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.4
                    // represents the number of bytes that the file consumes on the disk. will
                    // usually be larger than the 'size' field
                    list($attr['allocation-size']) = Strings::unpackSSH2('Q', $response);
                    break;
                case NET_SFTP_ATTR_TEXT_HINT:        // 0x00000800
                    // https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.10
                    // currently unsupported
                    // tells if file is "known text", "guessed text", "known binary", "guessed binary"
                    list($text_hint) = Strings::unpackSSH2('C', $response);
                    // the above should be $attr['text-hint']
                    break;
                case NET_SFTP_ATTR_MIME_TYPE:        // 0x00001000
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.11
                    list($attr['mime-type']) = Strings::unpackSSH2('s', $response);
                    break;
                case NET_SFTP_ATTR_LINK_COUNT:       // 0x00002000
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.12
                    list($attr['link-count']) = Strings::unpackSSH2('N', $response);
                    break;
                case NET_SFTP_ATTR_UNTRANSLATED_NAME:// 0x00004000
                    // see https://datatracker.ietf.org/doc/html/draft-ietf-secsh-filexfer-13#section-7.13
                    list($attr['untranslated-name']) = Strings::unpackSSH2('s', $response);
                    break;
                case NET_SFTP_ATTR_CTIME:            // 0x00008000
                    // 'ctime' contains the last time the file attributes were changed.  The
                    // exact meaning of this field depends on the server.
                    $attr += $this->parseTime('ctime', $flags, $response);
                    break;
                case NET_SFTP_ATTR_EXTENDED: // 0x80000000
                    list($count) = Strings::unpackSSH2('N', $response);
                    for ($i = 0; $i < $count; $i++) {
                        list($key, $value) = Strings::unpackSSH2('ss', $response);
                        $attr[$key] = $value;
                    }
            }
        }
        return $attr;
    }

    /**
     * Attempt to identify the file type
     *
     * Quoting the SFTP RFC, "Implementations MUST NOT send bits that are not defined" but they seem to anyway
     *
     * @param int $mode
     * @return int
     * @access private
     */
    private function parseMode($mode)
    {
        // values come from http://lxr.free-electrons.com/source/include/uapi/linux/stat.h#L12
        // see, also, http://linux.die.net/man/2/stat
        switch ($mode & 0170000) {// ie. 1111 0000 0000 0000
            case 0000000: // no file type specified - figure out the file type using alternative means
                return false;
            case 0040000:
                return NET_SFTP_TYPE_DIRECTORY;
            case 0100000:
                return NET_SFTP_TYPE_REGULAR;
            case 0120000:
                return NET_SFTP_TYPE_SYMLINK;
            // new types introduced in SFTPv5+
            // http://tools.ietf.org/html/draft-ietf-secsh-filexfer-05#section-5.2
            case 0010000: // named pipe (fifo)
                return NET_SFTP_TYPE_FIFO;
            case 0020000: // character special
                return NET_SFTP_TYPE_CHAR_DEVICE;
            case 0060000: // block special
                return NET_SFTP_TYPE_BLOCK_DEVICE;
            case 0140000: // socket
                return NET_SFTP_TYPE_SOCKET;
            case 0160000: // whiteout
                // "SPECIAL should be used for files that are of
                //  a known type which cannot be expressed in the protocol"
                return NET_SFTP_TYPE_SPECIAL;
            default:
                return NET_SFTP_TYPE_UNKNOWN;
        }
    }

    /**
     * Parse Longname
     *
     * SFTPv3 doesn't provide any easy way of identifying a file type.  You could try to open
     * a file as a directory and see if an error is returned or you could try to parse the
     * SFTPv3-specific longname field of the SSH_FXP_NAME packet.  That's what this function does.
     * The result is returned using the
     * {@link http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2 SFTPv4 type constants}.
     *
     * If the longname is in an unrecognized format bool(false) is returned.
     *
     * @param string $longname
     * @return mixed
     * @access private
     */
    private function parseLongname($longname)
    {
        // http://en.wikipedia.org/wiki/Unix_file_types
        // http://en.wikipedia.org/wiki/Filesystem_permissions#Notation_of_traditional_Unix_permissions
        if (preg_match('#^[^/]([r-][w-][xstST-]){3}#', $longname)) {
            switch ($longname[0]) {
                case '-':
                    return NET_SFTP_TYPE_REGULAR;
                case 'd':
                    return NET_SFTP_TYPE_DIRECTORY;
                case 'l':
                    return NET_SFTP_TYPE_SYMLINK;
                default:
                    return NET_SFTP_TYPE_SPECIAL;
            }
        }

        return false;
    }

    /**
     * Sends SFTP Packets
     *
     * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info.
     *
     * @param int $type
     * @param string $data
     * @param int $request_id
     * @see self::_get_sftp_packet()
     * @see self::send_channel_packet()
     * @return void
     * @access private
     */
    private function send_sftp_packet($type, $data, $request_id = 1)
    {
        // in SSH2.php the timeout is cumulative per function call. eg. exec() will
        // timeout after 10s. but for SFTP.php it's cumulative per packet
        $this->curTimeout = $this->timeout;

        $packet = $this->use_request_id ?
            pack('NCNa*', strlen($data) + 5, $type, $request_id, $data) :
            pack('NCa*', strlen($data) + 1, $type, $data);

        $start = microtime(true);
        $this->send_channel_packet(self::CHANNEL, $packet);
        $stop = microtime(true);

        if (defined('NET_SFTP_LOGGING')) {
            $packet_type = '-> ' . $this->packet_types[$type] .
                           ' (' . round($stop - $start, 4) . 's)';
            if (NET_SFTP_LOGGING == self::LOG_REALTIME) {
                switch (PHP_SAPI) {
                    case 'cli':
                        $start = $stop = "\r\n";
                        break;
                    default:
                        $start = '<pre>';
                        $stop = '</pre>';
                }
                echo $start . $this->format_log([$data], [$packet_type]) . $stop;
                @flush();
                @ob_flush();
            } else {
                $this->packet_type_log[] = $packet_type;
                if (NET_SFTP_LOGGING == self::LOG_COMPLEX) {
                    $this->packet_log[] = $data;
                }
            }
        }
    }

    /**
     * Resets a connection for re-use
     *
     * @param int $reason
     * @access private
     */
    protected function reset_connection($reason)
    {
        parent::reset_connection($reason);
        $this->use_request_id = false;
        $this->pwd = false;
        $this->requestBuffer = [];
    }

    /**
     * Receives SFTP Packets
     *
     * See '6. General Packet Format' of draft-ietf-secsh-filexfer-13 for more info.
     *
     * Incidentally, the number of SSH_MSG_CHANNEL_DATA messages has no bearing on the number of SFTP packets present.
     * There can be one SSH_MSG_CHANNEL_DATA messages containing two SFTP packets or there can be two SSH_MSG_CHANNEL_DATA
     * messages containing one SFTP packet.
     *
     * @see self::_send_sftp_packet()
     * @return string
     * @access private
     */
    private function get_sftp_packet($request_id = null)
    {
        $this->channel_close = false;

        if (isset($request_id) && isset($this->requestBuffer[$request_id])) {
            $this->packet_type = $this->requestBuffer[$request_id]['packet_type'];
            $temp = $this->requestBuffer[$request_id]['packet'];
            unset($this->requestBuffer[$request_id]);
            return $temp;
        }

        // in SSH2.php the timeout is cumulative per function call. eg. exec() will
        // timeout after 10s. but for SFTP.php it's cumulative per packet
        $this->curTimeout = $this->timeout;

        $start = microtime(true);

        // SFTP packet length
        while (strlen($this->packet_buffer) < 4) {
            $temp = $this->get_channel_packet(self::CHANNEL, true);
            if ($temp === true) {
                if ($this->channel_status[self::CHANNEL] === NET_SSH2_MSG_CHANNEL_CLOSE) {
                    $this->channel_close = true;
                }
                $this->packet_type = false;
                $this->packet_buffer = '';
                return false;
            }
            $this->packet_buffer .= $temp;
        }
        if (strlen($this->packet_buffer) < 4) {
            throw new \RuntimeException('Packet is too small');
        }
        extract(unpack('Nlength', Strings::shift($this->packet_buffer, 4)));
        /** @var integer $length */

        $tempLength = $length;
        $tempLength -= strlen($this->packet_buffer);

        // 256 * 1024 is what SFTP_MAX_MSG_LENGTH is set to in OpenSSH's sftp-common.h
        if (!$this->allow_arbitrary_length_packets && !$this->use_request_id && $tempLength > 256 * 1024) {
            throw new \RuntimeException('Invalid Size');
        }

        // SFTP packet type and data payload
        while ($tempLength > 0) {
            $temp = $this->get_channel_packet(self::CHANNEL, true);
            if (is_bool($temp)) {
                $this->packet_type = false;
                $this->packet_buffer = '';
                return false;
            }
            $this->packet_buffer .= $temp;
            $tempLength -= strlen($temp);
        }

        $stop = microtime(true);

        $this->packet_type = ord(Strings::shift($this->packet_buffer));

        if ($this->use_request_id) {
            extract(unpack('Npacket_id', Strings::shift($this->packet_buffer, 4))); // remove the request id
            $length -= 5; // account for the request id and the packet type
        } else {
            $length -= 1; // account for the packet type
        }

        $packet = Strings::shift($this->packet_buffer, $length);

        if (defined('NET_SFTP_LOGGING')) {
            $packet_type = '<- ' . $this->packet_types[$this->packet_type] .
                           ' (' . round($stop - $start, 4) . 's)';
            if (NET_SFTP_LOGGING == self::LOG_REALTIME) {
                switch (PHP_SAPI) {
                    case 'cli':
                        $start = $stop = "\r\n";
                        break;
                    default:
                        $start = '<pre>';
                        $stop = '</pre>';
                }
                echo $start . $this->format_log([$packet], [$packet_type]) . $stop;
                @flush();
                @ob_flush();
            } else {
                $this->packet_type_log[] = $packet_type;
                if (NET_SFTP_LOGGING == self::LOG_COMPLEX) {
                    $this->packet_log[] = $packet;
                }
            }
        }

        if (isset($request_id) && $this->use_request_id && $packet_id != $request_id) {
            $this->requestBuffer[$packet_id] = [
                'packet_type' => $this->packet_type,
                'packet' => $packet
            ];
            return $this->get_sftp_packet($request_id);
        }

        return $packet;
    }

    /**
     * Returns a log of the packets that have been sent and received.
     *
     * Returns a string if NET_SFTP_LOGGING == self::LOG_COMPLEX, an array if NET_SFTP_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SFTP_LOGGING')
     *
     * @access public
     * @return array|string
     */
    public function getSFTPLog()
    {
        if (!defined('NET_SFTP_LOGGING')) {
            return false;
        }

        switch (NET_SFTP_LOGGING) {
            case self::LOG_COMPLEX:
                return $this->format_log($this->packet_log, $this->packet_type_log);
                break;
            //case self::LOG_SIMPLE:
            default:
                return $this->packet_type_log;
        }
    }

    /**
     * Returns all errors
     *
     * @return array
     * @access public
     */
    public function getSFTPErrors()
    {
        return $this->sftp_errors;
    }

    /**
     * Returns the last error
     *
     * @return string
     * @access public
     */
    public function getLastSFTPError()
    {
        return count($this->sftp_errors) ? $this->sftp_errors[count($this->sftp_errors) - 1] : '';
    }

    /**
     * Get supported SFTP versions
     *
     * @return array
     * @access public
     */
    public function getSupportedVersions()
    {
        if (!($this->bitmap & SSH2::MASK_LOGIN)) {
            return false;
        }

        if (!$this->partial_init) {
            $this->partial_init_sftp_connection();
        }

        $temp = ['version' => $this->defaultVersion];
        if (isset($this->extensions['versions'])) {
            $temp['extensions'] = $this->extensions['versions'];
        }
        return $temp;
    }

    /**
     * Get supported SFTP versions
     *
     * @return int|false
     * @access public
     */
    public function getNegotiatedVersion()
    {
        if (!$this->precheck()) {
            return false;
        }

        return $this->version;
    }

    /**
     * Set preferred version
     *
     * If you're preferred version isn't supported then the highest supported
     * version of SFTP will be utilized. Set to null or false or int(0) to
     * unset the preferred version
     *
     * @param int $version
     * @access public
     */
    public function setPreferredVersion($version)
    {
        $this->preferredVersion = $version;
    }

    /**
     * Disconnect
     *
     * @param int $reason
     * @return false
     * @access protected
     */
    protected function disconnect_helper($reason)
    {
        $this->pwd = false;
        return parent::disconnect_helper($reason);
    }

    /**
     * Enable Date Preservation
     *
     * @access public
     */
    public function enableDatePreservation()
    {
        $this->preserveTime = true;
    }

    /**
     * Disable Date Preservation
     *
     * @access public
     */
    public function disableDatePreservation()
    {
        $this->preserveTime = false;
    }
}
PK     ùˆU]ßZ…Ç …Ç 1  vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of SSHv2.
 *
 * PHP version 5
 *
 * Here are some examples of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $ssh = new \phpseclib3\Net\SSH2('www.domain.tld');
 *    if (!$ssh->login('username', 'password')) {
 *        exit('Login Failed');
 *    }
 *
 *    echo $ssh->exec('pwd');
 *    echo $ssh->exec('ls -la');
 * ?>
 * </code>
 *
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $key = \phpseclib3\Crypt\PublicKeyLoader::load('...', '(optional) password');
 *
 *    $ssh = new \phpseclib3\Net\SSH2('www.domain.tld');
 *    if (!$ssh->login('username', $key)) {
 *        exit('Login Failed');
 *    }
 *
 *    echo $ssh->read('username@username:~$');
 *    $ssh->write("ls -la\n");
 *    echo $ssh->read('username@username:~$');
 * ?>
 * </code>
 *
 * @category  Net
 * @package   SSH2
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Net;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Blowfish;
use phpseclib3\Crypt\ChaCha20;
use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\Common\PrivateKey;
use phpseclib3\Crypt\Common\PublicKey;
use phpseclib3\Crypt\Common\SymmetricKey;
use phpseclib3\Crypt\DH;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\EC;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\RC4;
use phpseclib3\Crypt\Rijndael;
use phpseclib3\Crypt\RSA;
use phpseclib3\Crypt\TripleDES; // Used to do Diffie-Hellman key exchange and DSA/RSA signature verification.
use phpseclib3\Crypt\Twofish;
use phpseclib3\Exception\ConnectionClosedException;
use phpseclib3\Exception\InsufficientSetupException;
use phpseclib3\Exception\NoSupportedAlgorithmsException;
use phpseclib3\Exception\UnableToConnectException;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\Math\BigInteger;
use phpseclib3\System\SSH\Agent;

/**
 * Pure-PHP implementation of SSHv2.
 *
 * @package SSH2
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class SSH2
{
    /**#@+
     * Compression Types
     *
     * @access private
     */
    /**
     * No compression
     */
    const NET_SSH2_COMPRESSION_NONE = 1;
    /**
     * zlib compression
     */
    const NET_SSH2_COMPRESSION_ZLIB = 2;
    /**
     * zlib@openssh.com
     */
    const NET_SSH2_COMPRESSION_ZLIB_AT_OPENSSH = 3;
    /**#@-*/

    // Execution Bitmap Masks
    const MASK_CONSTRUCTOR   = 0x00000001;
    const MASK_CONNECTED     = 0x00000002;
    const MASK_LOGIN_REQ     = 0x00000004;
    const MASK_LOGIN         = 0x00000008;
    const MASK_SHELL         = 0x00000010;
    const MASK_WINDOW_ADJUST = 0x00000020;

    /*
     * Channel constants
     *
     * RFC4254 refers not to client and server channels but rather to sender and recipient channels.  we don't refer
     * to them in that way because RFC4254 toggles the meaning. the client sends a SSH_MSG_CHANNEL_OPEN message with
     * a sender channel and the server sends a SSH_MSG_CHANNEL_OPEN_CONFIRMATION in response, with a sender and a
     * recipient channel.  at first glance, you might conclude that SSH_MSG_CHANNEL_OPEN_CONFIRMATION's sender channel
     * would be the same thing as SSH_MSG_CHANNEL_OPEN's sender channel, but it's not, per this snippet:
     *     The 'recipient channel' is the channel number given in the original
     *     open request, and 'sender channel' is the channel number allocated by
     *     the other side.
     *
     * @see \phpseclib3\Net\SSH2::send_channel_packet()
     * @see \phpseclib3\Net\SSH2::get_channel_packet()
     * @access private
     */
    const CHANNEL_EXEC          = 1; // PuTTy uses 0x100
    const CHANNEL_SHELL         = 2;
    const CHANNEL_SUBSYSTEM     = 3;
    const CHANNEL_AGENT_FORWARD = 4;
    const CHANNEL_KEEP_ALIVE    = 5;

    /**
     * Returns the message numbers
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::getLog()
     */
    const LOG_SIMPLE = 1;
    /**
     * Returns the message content
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::getLog()
     */
    const LOG_COMPLEX = 2;
    /**
     * Outputs the content real-time
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::getLog()
     */
    const LOG_REALTIME = 3;
    /**
     * Dumps the content real-time to a file
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::getLog()
     */
    const LOG_REALTIME_FILE = 4;
    /**
     * Make sure that the log never gets larger than this
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::getLog()
     */
    const LOG_MAX_SIZE = 1048576; // 1024 * 1024

    /**
     * Returns when a string matching $expect exactly is found
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::read()
     */
    const READ_SIMPLE = 1;
    /**
     * Returns when a string matching the regular expression $expect is found
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::read()
     */
    const READ_REGEX = 2;
    /**
     * Returns whenever a data packet is received.
     *
     * Some data packets may only contain a single character so it may be necessary
     * to call read() multiple times when using this option
     *
     * @access public
     * @see \phpseclib3\Net\SSH2::read()
     */
    const READ_NEXT = 3;

    /**
     * The SSH identifier
     *
     * @var string
     * @access private
     */
    private $identifier;

    /**
     * The Socket Object
     *
     * @var resource|closed-resource|null
     * @access private
     */
    public $fsock;

    /**
     * Execution Bitmap
     *
     * The bits that are set represent functions that have been called already.  This is used to determine
     * if a requisite function has been successfully executed.  If not, an error should be thrown.
     *
     * @var int
     * @access private
     */
    protected $bitmap = 0;

    /**
     * Error information
     *
     * @see self::getErrors()
     * @see self::getLastError()
     * @var array
     * @access private
     */
    private $errors = [];

    /**
     * Server Identifier
     *
     * @see self::getServerIdentification()
     * @var string|false
     * @access private
     */
    protected $server_identifier = false;

    /**
     * Key Exchange Algorithms
     *
     * @see self::getKexAlgorithims()
     * @var array|false
     * @access private
     */
    private $kex_algorithms = false;

    /**
     * Key Exchange Algorithm
     *
     * @see self::getMethodsNegotiated()
     * @var string|false
     * @access private
     */
    private $kex_algorithm = false;

    /**
     * Minimum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods
     *
     * @see self::_key_exchange()
     * @var int
     * @access private
     */
    private $kex_dh_group_size_min = 1536;

    /**
     * Preferred Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods
     *
     * @see self::_key_exchange()
     * @var int
     * @access private
     */
    private $kex_dh_group_size_preferred = 2048;

    /**
     * Maximum Diffie-Hellman Group Bit Size in RFC 4419 Key Exchange Methods
     *
     * @see self::_key_exchange()
     * @var int
     * @access private
     */
    private $kex_dh_group_size_max = 4096;

    /**
     * Server Host Key Algorithms
     *
     * @see self::getServerHostKeyAlgorithms()
     * @var array|false
     * @access private
     */
    private $server_host_key_algorithms = false;

    /**
     * Encryption Algorithms: Client to Server
     *
     * @see self::getEncryptionAlgorithmsClient2Server()
     * @var array|false
     * @access private
     */
    private $encryption_algorithms_client_to_server = false;

    /**
     * Encryption Algorithms: Server to Client
     *
     * @see self::getEncryptionAlgorithmsServer2Client()
     * @var array|false
     * @access private
     */
    private $encryption_algorithms_server_to_client = false;

    /**
     * MAC Algorithms: Client to Server
     *
     * @see self::getMACAlgorithmsClient2Server()
     * @var array|false
     * @access private
     */
    private $mac_algorithms_client_to_server = false;

    /**
     * MAC Algorithms: Server to Client
     *
     * @see self::getMACAlgorithmsServer2Client()
     * @var array|false
     * @access private
     */
    private $mac_algorithms_server_to_client = false;

    /**
     * Compression Algorithms: Client to Server
     *
     * @see self::getCompressionAlgorithmsClient2Server()
     * @var array|false
     * @access private
     */
    private $compression_algorithms_client_to_server = false;

    /**
     * Compression Algorithms: Server to Client
     *
     * @see self::getCompressionAlgorithmsServer2Client()
     * @var array|false
     * @access private
     */
    private $compression_algorithms_server_to_client = false;

    /**
     * Languages: Server to Client
     *
     * @see self::getLanguagesServer2Client()
     * @var array|false
     * @access private
     */
    private $languages_server_to_client = false;

    /**
     * Languages: Client to Server
     *
     * @see self::getLanguagesClient2Server()
     * @var array|false
     * @access private
     */
    private $languages_client_to_server = false;

    /**
     * Preferred Algorithms
     *
     * @see self::setPreferredAlgorithms()
     * @var array
     * @access private
     */
    private $preferred = [];

    /**
     * Block Size for Server to Client Encryption
     *
     * "Note that the length of the concatenation of 'packet_length',
     *  'padding_length', 'payload', and 'random padding' MUST be a multiple
     *  of the cipher block size or 8, whichever is larger.  This constraint
     *  MUST be enforced, even when using stream ciphers."
     *
     *  -- http://tools.ietf.org/html/rfc4253#section-6
     *
     * @see self::__construct()
     * @see self::_send_binary_packet()
     * @var int
     * @access private
     */
    private $encrypt_block_size = 8;

    /**
     * Block Size for Client to Server Encryption
     *
     * @see self::__construct()
     * @see self::_get_binary_packet()
     * @var int
     * @access private
     */
    private $decrypt_block_size = 8;

    /**
     * Server to Client Encryption Object
     *
     * @see self::_get_binary_packet()
     * @var SymmetricKey|false
     * @access private
     */
    private $decrypt = false;

    /**
     * Decryption Algorithm Name
     *
     * @var string|null
     * @access private
     */
    private $decryptName;

    /**
     * Decryption Invocation Counter
     *
     * Used by GCM
     *
     * @var string|null
     * @access private
     */
    private $decryptInvocationCounter;

    /**
     * Fixed Part of Nonce
     *
     * Used by GCM
     *
     * @var string|null
     * @access private
     */
    private $decryptFixedPart;

    /**
     * Server to Client Length Encryption Object
     *
     * @see self::_get_binary_packet()
     * @var object
     * @access private
     */
    private $lengthDecrypt = false;

    /**
     * Client to Server Encryption Object
     *
     * @see self::_send_binary_packet()
     * @var SymmetricKey|false
     * @access private
     */
    private $encrypt = false;

    /**
     * Encryption Algorithm Name
     *
     * @var string|null
     * @access private
     */
    private $encryptName;

    /**
     * Encryption Invocation Counter
     *
     * Used by GCM
     *
     * @var string|null
     * @access private
     */
    private $encryptInvocationCounter;

    /**
     * Fixed Part of Nonce
     *
     * Used by GCM
     *
     * @var string|null
     * @access private
     */
    private $encryptFixedPart;

    /**
     * Client to Server Length Encryption Object
     *
     * @see self::_send_binary_packet()
     * @var object
     * @access private
     */
    private $lengthEncrypt = false;

    /**
     * Client to Server HMAC Object
     *
     * @see self::_send_binary_packet()
     * @var object
     * @access private
     */
    private $hmac_create = false;

    /**
     * Client to Server HMAC Name
     *
     * @var string|false
     * @access private
     */
    private $hmac_create_name;

    /**
     * Client to Server ETM
     *
     * @var int|false
     * @access private
     */
    private $hmac_create_etm;

    /**
     * Server to Client HMAC Object
     *
     * @see self::_get_binary_packet()
     * @var object
     * @access private
     */
    private $hmac_check = false;

    /**
     * Server to Client HMAC Name
     *
     * @var string|false
     * @access private
     */
    private $hmac_check_name;

    /**
     * Server to Client ETM
     *
     * @var int|false
     * @access private
     */
    private $hmac_check_etm;

    /**
     * Size of server to client HMAC
     *
     * We need to know how big the HMAC will be for the server to client direction so that we know how many bytes to read.
     * For the client to server side, the HMAC object will make the HMAC as long as it needs to be.  All we need to do is
     * append it.
     *
     * @see self::_get_binary_packet()
     * @var int
     * @access private
     */
    private $hmac_size = false;

    /**
     * Server Public Host Key
     *
     * @see self::getServerPublicHostKey()
     * @var string
     * @access private
     */
    private $server_public_host_key;

    /**
     * Session identifier
     *
     * "The exchange hash H from the first key exchange is additionally
     *  used as the session identifier, which is a unique identifier for
     *  this connection."
     *
     *  -- http://tools.ietf.org/html/rfc4253#section-7.2
     *
     * @see self::_key_exchange()
     * @var string
     * @access private
     */
    private $session_id = false;

    /**
     * Exchange hash
     *
     * The current exchange hash
     *
     * @see self::_key_exchange()
     * @var string
     * @access private
     */
    private $exchange_hash = false;

    /**
     * Message Numbers
     *
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $message_numbers = [];

    /**
     * Disconnection Message 'reason codes' defined in RFC4253
     *
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $disconnect_reasons = [];

    /**
     * SSH_MSG_CHANNEL_OPEN_FAILURE 'reason codes', defined in RFC4254
     *
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $channel_open_failure_reasons = [];

    /**
     * Terminal Modes
     *
     * @link http://tools.ietf.org/html/rfc4254#section-8
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $terminal_modes = [];

    /**
     * SSH_MSG_CHANNEL_EXTENDED_DATA's data_type_codes
     *
     * @link http://tools.ietf.org/html/rfc4254#section-5.2
     * @see self::__construct()
     * @var array
     * @access private
     */
    private $channel_extended_data_type_codes = [];

    /**
     * Send Sequence Number
     *
     * See 'Section 6.4.  Data Integrity' of rfc4253 for more info.
     *
     * @see self::_send_binary_packet()
     * @var int
     * @access private
     */
    private $send_seq_no = 0;

    /**
     * Get Sequence Number
     *
     * See 'Section 6.4.  Data Integrity' of rfc4253 for more info.
     *
     * @see self::_get_binary_packet()
     * @var int
     * @access private
     */
    private $get_seq_no = 0;

    /**
     * Server Channels
     *
     * Maps client channels to server channels
     *
     * @see self::get_channel_packet()
     * @see self::exec()
     * @var array
     * @access private
     */
    protected $server_channels = [];

    /**
     * Channel Buffers
     *
     * If a client requests a packet from one channel but receives two packets from another those packets should
     * be placed in a buffer
     *
     * @see self::get_channel_packet()
     * @see self::exec()
     * @var array
     * @access private
     */
    private $channel_buffers = [];

    /**
     * Channel Status
     *
     * Contains the type of the last sent message
     *
     * @see self::get_channel_packet()
     * @var array
     * @access private
     */
    protected $channel_status = [];

    /**
     * Packet Size
     *
     * Maximum packet size indexed by channel
     *
     * @see self::send_channel_packet()
     * @var array
     * @access private
     */
    private $packet_size_client_to_server = [];

    /**
     * Message Number Log
     *
     * @see self::getLog()
     * @var array
     * @access private
     */
    private $message_number_log = [];

    /**
     * Message Log
     *
     * @see self::getLog()
     * @var array
     * @access private
     */
    private $message_log = [];

    /**
     * The Window Size
     *
     * Bytes the other party can send before it must wait for the window to be adjusted (0x7FFFFFFF = 2GB)
     *
     * @var int
     * @see self::send_channel_packet()
     * @see self::exec()
     * @access private
     */
    protected $window_size = 0x7FFFFFFF;

    /**
     * What we resize the window to
     *
     * When PuTTY resizes the window it doesn't add an additional 0x7FFFFFFF bytes - it adds 0x40000000 bytes.
     * Some SFTP clients (GoAnywhere) don't support adding 0x7FFFFFFF to the window size after the fact so
     * we'll just do what PuTTY does
     *
     * @var int
     * @see self::_send_channel_packet()
     * @see self::exec()
     * @access private
     */
    private $window_resize = 0x40000000;

    /**
     * Window size, server to client
     *
     * Window size indexed by channel
     *
     * @see self::send_channel_packet()
     * @var array
     * @access private
     */
    protected $window_size_server_to_client = [];

    /**
     * Window size, client to server
     *
     * Window size indexed by channel
     *
     * @see self::get_channel_packet()
     * @var array
     * @access private
     */
    private $window_size_client_to_server = [];

    /**
     * Server signature
     *
     * Verified against $this->session_id
     *
     * @see self::getServerPublicHostKey()
     * @var string
     * @access private
     */
    private $signature = '';

    /**
     * Server signature format
     *
     * ssh-rsa or ssh-dss.
     *
     * @see self::getServerPublicHostKey()
     * @var string
     * @access private
     */
    private $signature_format = '';

    /**
     * Interactive Buffer
     *
     * @see self::read()
     * @var string
     * @access private
     */
    private $interactiveBuffer = '';

    /**
     * Current log size
     *
     * Should never exceed self::LOG_MAX_SIZE
     *
     * @see self::_send_binary_packet()
     * @see self::_get_binary_packet()
     * @var int
     * @access private
     */
    private $log_size;

    /**
     * Timeout
     *
     * @see self::setTimeout()
     * @access private
     */
    protected $timeout;

    /**
     * Current Timeout
     *
     * @see self::get_channel_packet()
     * @access private
     */
    protected $curTimeout;

    /**
     * Keep Alive Interval
     *
     * @see self::setKeepAlive()
     * @access private
     */
    private $keepAlive;

    /**
     * Real-time log file pointer
     *
     * @see self::_append_log()
     * @var resource|closed-resource
     * @access private
     */
    private $realtime_log_file;

    /**
     * Real-time log file size
     *
     * @see self::_append_log()
     * @var int
     * @access private
     */
    private $realtime_log_size;

    /**
     * Has the signature been validated?
     *
     * @see self::getServerPublicHostKey()
     * @var bool
     * @access private
     */
    private $signature_validated = false;

    /**
     * Real-time log file wrap boolean
     *
     * @see self::_append_log()
     * @access private
     */
    private $realtime_log_wrap;

    /**
     * Flag to suppress stderr from output
     *
     * @see self::enableQuietMode()
     * @access private
     */
    private $quiet_mode = false;

    /**
     * Time of first network activity
     *
     * @var float
     * @access private
     */
    private $last_packet;

    /**
     * Exit status returned from ssh if any
     *
     * @var int
     * @access private
     */
    private $exit_status;

    /**
     * Flag to request a PTY when using exec()
     *
     * @var bool
     * @see self::enablePTY()
     * @access private
     */
    private $request_pty = false;

    /**
     * Flag set while exec() is running when using enablePTY()
     *
     * @var bool
     * @access private
     */
    private $in_request_pty_exec = false;

    /**
     * Flag set after startSubsystem() is called
     *
     * @var bool
     * @access private
     */
    private $in_subsystem;

    /**
     * Contents of stdError
     *
     * @var string
     * @access private
     */
    private $stdErrorLog;

    /**
     * The Last Interactive Response
     *
     * @see self::_keyboard_interactive_process()
     * @var string
     * @access private
     */
    private $last_interactive_response = '';

    /**
     * Keyboard Interactive Request / Responses
     *
     * @see self::_keyboard_interactive_process()
     * @var array
     * @access private
     */
    private $keyboard_requests_responses = [];

    /**
     * Banner Message
     *
     * Quoting from the RFC, "in some jurisdictions, sending a warning message before
     * authentication may be relevant for getting legal protection."
     *
     * @see self::_filter()
     * @see self::getBannerMessage()
     * @var string
     * @access private
     */
    private $banner_message = '';

    /**
     * Did read() timeout or return normally?
     *
     * @see self::isTimeout()
     * @var bool
     * @access private
     */
    private $is_timeout = false;

    /**
     * Log Boundary
     *
     * @see self::_format_log()
     * @var string
     * @access private
     */
    private $log_boundary = ':';

    /**
     * Log Long Width
     *
     * @see self::_format_log()
     * @var int
     * @access private
     */
    private $log_long_width = 65;

    /**
     * Log Short Width
     *
     * @see self::_format_log()
     * @var int
     * @access private
     */
    private $log_short_width = 16;

    /**
     * Hostname
     *
     * @see self::__construct()
     * @see self::_connect()
     * @var string
     * @access private
     */
    private $host;

    /**
     * Port Number
     *
     * @see self::__construct()
     * @see self::_connect()
     * @var int
     * @access private
     */
    private $port;

    /**
     * Number of columns for terminal window size
     *
     * @see self::getWindowColumns()
     * @see self::setWindowColumns()
     * @see self::setWindowSize()
     * @var int
     * @access private
     */
    private $windowColumns = 80;

    /**
     * Number of columns for terminal window size
     *
     * @see self::getWindowRows()
     * @see self::setWindowRows()
     * @see self::setWindowSize()
     * @var int
     * @access private
     */
    private $windowRows = 24;

    /**
     * Crypto Engine
     *
     * @see self::setCryptoEngine()
     * @see self::_key_exchange()
     * @var int
     * @access private
     */
    private static $crypto_engine = false;

    /**
     * A System_SSH_Agent for use in the SSH2 Agent Forwarding scenario
     *
     * @var Agent
     * @access private
     */
    private $agent;

    /**
     * Connection storage to replicates ssh2 extension functionality:
     * {@link http://php.net/manual/en/wrappers.ssh2.php#refsect1-wrappers.ssh2-examples}
     *
     * @var array<string, SSH2|\WeakReference<SSH2>>
     */
    private static $connections;

    /**
     * Send the identification string first?
     *
     * @var bool
     * @access private
     */
    private $send_id_string_first = true;

    /**
     * Send the key exchange initiation packet first?
     *
     * @var bool
     * @access private
     */
    private $send_kex_first = true;

    /**
     * Some versions of OpenSSH incorrectly calculate the key size
     *
     * @var bool
     * @access private
     */
    private $bad_key_size_fix = false;

    /**
     * Should we try to re-connect to re-establish keys?
     *
     * @var bool
     * @access private
     */
    private $retry_connect = false;

    /**
     * Binary Packet Buffer
     *
     * @var string|false
     * @access private
     */
    private $binary_packet_buffer = false;

    /**
     * Preferred Signature Format
     *
     * @var string|false
     * @access private
     */
    protected $preferred_signature_format = false;

    /**
     * Authentication Credentials
     *
     * @var array
     * @access private
     */
    protected $auth = [];

    /**
     * Terminal
     *
     * @var string
     * @access private
     */
    private $term = 'vt100';

    /**
     * The authentication methods that may productively continue authentication.
     *
     * @see https://tools.ietf.org/html/rfc4252#section-5.1
     * @var array|null
     * @access private
     */
    private $auth_methods_to_continue = null;

    /**
     * Compression method
     *
     * @var int
     * @access private
     */
    private $compress = self::NET_SSH2_COMPRESSION_NONE;

    /**
     * Decompression method
     *
     * @var int
     * @access private
     */
    private $decompress = self::NET_SSH2_COMPRESSION_NONE;

    /**
     * Compression context
     *
     * @var resource|false|null
     * @access private
     */
    private $compress_context;

    /**
     * Decompression context
     *
     * @var resource|object
     * @access private
     */
    private $decompress_context;

    /**
     * Regenerate Compression Context
     *
     * @var bool
     * @access private
     */
    private $regenerate_compression_context = false;

    /**
     * Regenerate Decompression Context
     *
     * @var bool
     * @access private
     */
    private $regenerate_decompression_context = false;

    /**
     * Smart multi-factor authentication flag
     *
     * @var bool
     * @access private
     */
    private $smartMFA = true;

    /**
     * Default Constructor.
     *
     * $host can either be a string, representing the host, or a stream resource.
     *
     * @param mixed $host
     * @param int $port
     * @param int $timeout
     * @see self::login()
     * @access public
     */
    public function __construct($host, $port = 22, $timeout = 10)
    {
        $this->message_numbers = [
            1 => 'NET_SSH2_MSG_DISCONNECT',
            2 => 'NET_SSH2_MSG_IGNORE',
            3 => 'NET_SSH2_MSG_UNIMPLEMENTED',
            4 => 'NET_SSH2_MSG_DEBUG',
            5 => 'NET_SSH2_MSG_SERVICE_REQUEST',
            6 => 'NET_SSH2_MSG_SERVICE_ACCEPT',
            20 => 'NET_SSH2_MSG_KEXINIT',
            21 => 'NET_SSH2_MSG_NEWKEYS',
            30 => 'NET_SSH2_MSG_KEXDH_INIT',
            31 => 'NET_SSH2_MSG_KEXDH_REPLY',
            50 => 'NET_SSH2_MSG_USERAUTH_REQUEST',
            51 => 'NET_SSH2_MSG_USERAUTH_FAILURE',
            52 => 'NET_SSH2_MSG_USERAUTH_SUCCESS',
            53 => 'NET_SSH2_MSG_USERAUTH_BANNER',

            80 => 'NET_SSH2_MSG_GLOBAL_REQUEST',
            81 => 'NET_SSH2_MSG_REQUEST_SUCCESS',
            82 => 'NET_SSH2_MSG_REQUEST_FAILURE',
            90 => 'NET_SSH2_MSG_CHANNEL_OPEN',
            91 => 'NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION',
            92 => 'NET_SSH2_MSG_CHANNEL_OPEN_FAILURE',
            93 => 'NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST',
            94 => 'NET_SSH2_MSG_CHANNEL_DATA',
            95 => 'NET_SSH2_MSG_CHANNEL_EXTENDED_DATA',
            96 => 'NET_SSH2_MSG_CHANNEL_EOF',
            97 => 'NET_SSH2_MSG_CHANNEL_CLOSE',
            98 => 'NET_SSH2_MSG_CHANNEL_REQUEST',
            99 => 'NET_SSH2_MSG_CHANNEL_SUCCESS',
            100 => 'NET_SSH2_MSG_CHANNEL_FAILURE'
        ];
        $this->disconnect_reasons = [
            1 => 'NET_SSH2_DISCONNECT_HOST_NOT_ALLOWED_TO_CONNECT',
            2 => 'NET_SSH2_DISCONNECT_PROTOCOL_ERROR',
            3 => 'NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED',
            4 => 'NET_SSH2_DISCONNECT_RESERVED',
            5 => 'NET_SSH2_DISCONNECT_MAC_ERROR',
            6 => 'NET_SSH2_DISCONNECT_COMPRESSION_ERROR',
            7 => 'NET_SSH2_DISCONNECT_SERVICE_NOT_AVAILABLE',
            8 => 'NET_SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED',
            9 => 'NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE',
            10 => 'NET_SSH2_DISCONNECT_CONNECTION_LOST',
            11 => 'NET_SSH2_DISCONNECT_BY_APPLICATION',
            12 => 'NET_SSH2_DISCONNECT_TOO_MANY_CONNECTIONS',
            13 => 'NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER',
            14 => 'NET_SSH2_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE',
            15 => 'NET_SSH2_DISCONNECT_ILLEGAL_USER_NAME'
        ];
        $this->channel_open_failure_reasons = [
            1 => 'NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED'
        ];
        $this->terminal_modes = [
            0 => 'NET_SSH2_TTY_OP_END'
        ];
        $this->channel_extended_data_type_codes = [
            1 => 'NET_SSH2_EXTENDED_DATA_STDERR'
        ];

        $this->define_array(
            $this->message_numbers,
            $this->disconnect_reasons,
            $this->channel_open_failure_reasons,
            $this->terminal_modes,
            $this->channel_extended_data_type_codes,
            [60 => 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ'],
            [60 => 'NET_SSH2_MSG_USERAUTH_PK_OK'],
            [60 => 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST',
                  61 => 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE'],
            // RFC 4419 - diffie-hellman-group-exchange-sha{1,256}
            [30 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST_OLD',
                  31 => 'NET_SSH2_MSG_KEXDH_GEX_GROUP',
                  32 => 'NET_SSH2_MSG_KEXDH_GEX_INIT',
                  33 => 'NET_SSH2_MSG_KEXDH_GEX_REPLY',
                  34 => 'NET_SSH2_MSG_KEXDH_GEX_REQUEST'],
            // RFC 5656 - Elliptic Curves (for curve25519-sha256@libssh.org)
            [30 => 'NET_SSH2_MSG_KEX_ECDH_INIT',
                  31 => 'NET_SSH2_MSG_KEX_ECDH_REPLY']
        );

        /**
         * Typehint is required due to a bug in Psalm: https://github.com/vimeo/psalm/issues/7508
         * @var \WeakReference<SSH2>|SSH2
         */
        self::$connections[$this->getResourceId()] = class_exists('WeakReference')
            ? \WeakReference::create($this)
            : $this;

        if (is_resource($host)) {
            $this->fsock = $host;
            return;
        }

        if (Strings::is_stringable($host)) {
            $this->host = $host;
            $this->port = $port;
            $this->timeout = $timeout;
        }
    }

    /**
     * Set Crypto Engine Mode
     *
     * Possible $engine values:
     * OpenSSL, mcrypt, Eval, PHP
     *
     * @param int $engine
     * @access public
     */
    public static function setCryptoEngine($engine)
    {
        self::$crypto_engine = $engine;
    }

    /**
     * Send Identification String First
     *
     * https://tools.ietf.org/html/rfc4253#section-4.2 says "when the connection has been established,
     * both sides MUST send an identification string". It does not say which side sends it first. In
     * theory it shouldn't matter but it is a fact of life that some SSH servers are simply buggy
     *
     * @access public
     */
    public function sendIdentificationStringFirst()
    {
        $this->send_id_string_first = true;
    }

    /**
     * Send Identification String Last
     *
     * https://tools.ietf.org/html/rfc4253#section-4.2 says "when the connection has been established,
     * both sides MUST send an identification string". It does not say which side sends it first. In
     * theory it shouldn't matter but it is a fact of life that some SSH servers are simply buggy
     *
     * @access public
     */
    public function sendIdentificationStringLast()
    {
        $this->send_id_string_first = false;
    }

    /**
     * Send SSH_MSG_KEXINIT First
     *
     * https://tools.ietf.org/html/rfc4253#section-7.1 says "key exchange begins by each sending
     * sending the [SSH_MSG_KEXINIT] packet". It does not say which side sends it first. In theory
     * it shouldn't matter but it is a fact of life that some SSH servers are simply buggy
     *
     * @access public
     */
    public function sendKEXINITFirst()
    {
        $this->send_kex_first = true;
    }

    /**
     * Send SSH_MSG_KEXINIT Last
     *
     * https://tools.ietf.org/html/rfc4253#section-7.1 says "key exchange begins by each sending
     * sending the [SSH_MSG_KEXINIT] packet". It does not say which side sends it first. In theory
     * it shouldn't matter but it is a fact of life that some SSH servers are simply buggy
     *
     * @access public
     */
    public function sendKEXINITLast()
    {
        $this->send_kex_first = false;
    }

    /**
     * Connect to an SSHv2 server
     *
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @throws \RuntimeException on other errors
     * @access private
     */
    private function connect()
    {
        if ($this->bitmap & self::MASK_CONSTRUCTOR) {
            return;
        }

        $this->bitmap |= self::MASK_CONSTRUCTOR;

        $this->curTimeout = $this->timeout;

        $this->last_packet = microtime(true);

        if (!is_resource($this->fsock)) {
            $start = microtime(true);
            // with stream_select a timeout of 0 means that no timeout takes place;
            // with fsockopen a timeout of 0 means that you instantly timeout
            // to resolve this incompatibility a timeout of 100,000 will be used for fsockopen if timeout is 0
            $this->fsock = @fsockopen($this->host, $this->port, $errno, $errstr, $this->curTimeout == 0 ? 100000 : $this->curTimeout);
            if (!$this->fsock) {
                $host = $this->host . ':' . $this->port;
                throw new UnableToConnectException(rtrim("Cannot connect to $host. Error $errno. $errstr"));
            }
            $elapsed = microtime(true) - $start;

            if ($this->curTimeout) {
                $this->curTimeout -= $elapsed;
                if ($this->curTimeout < 0) {
                    throw new \RuntimeException('Connection timed out whilst attempting to open socket connection');
                }
            }
        }

        $this->identifier = $this->generate_identifier();

        if ($this->send_id_string_first) {
            fputs($this->fsock, $this->identifier . "\r\n");
        }

        /* According to the SSH2 specs,

          "The server MAY send other lines of data before sending the version
           string.  Each line SHOULD be terminated by a Carriage Return and Line
           Feed.  Such lines MUST NOT begin with "SSH-", and SHOULD be encoded
           in ISO-10646 UTF-8 [RFC3629] (language is not specified).  Clients
           MUST be able to process such lines." */
        $data = '';
        while (!feof($this->fsock) && !preg_match('#(.*)^(SSH-(\d\.\d+).*)#ms', $data, $matches)) {
            $line = '';
            while (true) {
                if ($this->curTimeout) {
                    if ($this->curTimeout < 0) {
                        throw new \RuntimeException('Connection timed out whilst receiving server identification string');
                    }
                    $read = [$this->fsock];
                    $write = $except = null;
                    $start = microtime(true);
                    $sec = (int) floor($this->curTimeout);
                    $usec = (int) (1000000 * ($this->curTimeout - $sec));
                    if (@stream_select($read, $write, $except, $sec, $usec) === false) {
                        throw new \RuntimeException('Connection timed out whilst receiving server identification string');
                    }
                    $elapsed = microtime(true) - $start;
                    $this->curTimeout -= $elapsed;
                }

                $temp = stream_get_line($this->fsock, 255, "\n");
                if ($temp === false) {
                    throw new \RuntimeException('Error reading from socket');
                }
                if (strlen($temp) == 255) {
                    continue;
                }

                $line .= "$temp\n";

                // quoting RFC4253, "Implementers who wish to maintain
                // compatibility with older, undocumented versions of this protocol may
                // want to process the identification string without expecting the
                // presence of the carriage return character for reasons described in
                // Section 5 of this document."

                //if (substr($line, -2) == "\r\n") {
                //    break;
                //}

                break;
            }

            $data .= $line;
        }

        if (feof($this->fsock)) {
            $this->bitmap = 0;
            throw new ConnectionClosedException('Connection closed by server');
        }

        $extra = $matches[1];

        if (defined('NET_SSH2_LOGGING')) {
            $this->append_log('<-', $matches[0]);
            $this->append_log('->', $this->identifier . "\r\n");
        }

        $this->server_identifier = trim($temp, "\r\n");
        if (strlen($extra)) {
            $this->errors[] = $data;
        }

        if (version_compare($matches[3], '1.99', '<')) {
            $this->bitmap = 0;
            throw new UnableToConnectException("Cannot connect to SSH $matches[3] servers");
        }

        if (!$this->send_id_string_first) {
            fputs($this->fsock, $this->identifier . "\r\n");
        }

        if (!$this->send_kex_first) {
            $response = $this->get_binary_packet();

            if (is_bool($response) || !strlen($response) || ord($response[0]) != NET_SSH2_MSG_KEXINIT) {
                $this->bitmap = 0;
                throw new \UnexpectedValueException('Expected SSH_MSG_KEXINIT');
            }

            $this->key_exchange($response);
        }

        if ($this->send_kex_first) {
            $this->key_exchange();
        }

        $this->bitmap |= self::MASK_CONNECTED;

        return true;
    }

    /**
     * Generates the SSH identifier
     *
     * You should overwrite this method in your own class if you want to use another identifier
     *
     * @access protected
     * @return string
     */
    private function generate_identifier()
    {
        $identifier = 'SSH-2.0-phpseclib_3.0';

        $ext = [];
        if (extension_loaded('sodium')) {
            $ext[] = 'libsodium';
        }

        if (extension_loaded('openssl')) {
            $ext[] = 'openssl';
        } elseif (extension_loaded('mcrypt')) {
            $ext[] = 'mcrypt';
        }

        if (extension_loaded('gmp')) {
            $ext[] = 'gmp';
        } elseif (extension_loaded('bcmath')) {
            $ext[] = 'bcmath';
        }

        if (!empty($ext)) {
            $identifier .= ' (' . implode(', ', $ext) . ')';
        }

        return $identifier;
    }

    /**
     * Key Exchange
     *
     * @return bool
     * @param string|bool $kexinit_payload_server optional
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @throws \RuntimeException on other errors
     * @throws \phpseclib3\Exception\NoSupportedAlgorithmsException when none of the algorithms phpseclib has loaded are compatible
     * @access private
     */
    private function key_exchange($kexinit_payload_server = false)
    {
        $preferred = $this->preferred;
        $send_kex = true;

        $kex_algorithms = isset($preferred['kex']) ?
            $preferred['kex'] :
            SSH2::getSupportedKEXAlgorithms();
        $server_host_key_algorithms = isset($preferred['hostkey']) ?
            $preferred['hostkey'] :
            SSH2::getSupportedHostKeyAlgorithms();
        $s2c_encryption_algorithms = isset($preferred['server_to_client']['crypt']) ?
            $preferred['server_to_client']['crypt'] :
            SSH2::getSupportedEncryptionAlgorithms();
        $c2s_encryption_algorithms = isset($preferred['client_to_server']['crypt']) ?
            $preferred['client_to_server']['crypt'] :
            SSH2::getSupportedEncryptionAlgorithms();
        $s2c_mac_algorithms = isset($preferred['server_to_client']['mac']) ?
            $preferred['server_to_client']['mac'] :
            SSH2::getSupportedMACAlgorithms();
        $c2s_mac_algorithms = isset($preferred['client_to_server']['mac']) ?
            $preferred['client_to_server']['mac'] :
            SSH2::getSupportedMACAlgorithms();
        $s2c_compression_algorithms = isset($preferred['server_to_client']['comp']) ?
            $preferred['server_to_client']['comp'] :
            SSH2::getSupportedCompressionAlgorithms();
        $c2s_compression_algorithms = isset($preferred['client_to_server']['comp']) ?
            $preferred['client_to_server']['comp'] :
            SSH2::getSupportedCompressionAlgorithms();

        // some SSH servers have buggy implementations of some of the above algorithms
        switch (true) {
            case $this->server_identifier == 'SSH-2.0-SSHD':
            case substr($this->server_identifier, 0, 13) == 'SSH-2.0-DLINK':
                if (!isset($preferred['server_to_client']['mac'])) {
                    $s2c_mac_algorithms = array_values(array_diff(
                        $s2c_mac_algorithms,
                        ['hmac-sha1-96', 'hmac-md5-96']
                    ));
                }
                if (!isset($preferred['client_to_server']['mac'])) {
                    $c2s_mac_algorithms = array_values(array_diff(
                        $c2s_mac_algorithms,
                        ['hmac-sha1-96', 'hmac-md5-96']
                    ));
                }
        }

        $client_cookie = Random::string(16);

        $kexinit_payload_client = pack('Ca*', NET_SSH2_MSG_KEXINIT, $client_cookie);
        $kexinit_payload_client .= Strings::packSSH2(
            'L10bN',
            $kex_algorithms,
            $server_host_key_algorithms,
            $c2s_encryption_algorithms,
            $s2c_encryption_algorithms,
            $c2s_mac_algorithms,
            $s2c_mac_algorithms,
            $c2s_compression_algorithms,
            $s2c_compression_algorithms,
            [], // language, client to server
            [], // language, server to client
            false, // first_kex_packet_follows
            0 // reserved for future extension
        );

        if ($kexinit_payload_server === false) {
            $this->send_binary_packet($kexinit_payload_client);

            $kexinit_payload_server = $this->get_binary_packet();

            if (
                is_bool($kexinit_payload_server)
                || !strlen($kexinit_payload_server)
                || ord($kexinit_payload_server[0]) != NET_SSH2_MSG_KEXINIT
            ) {
                $this->disconnect_helper(NET_SSH2_DISCONNECT_PROTOCOL_ERROR);
                throw new \UnexpectedValueException('Expected SSH_MSG_KEXINIT');
            }

            $send_kex = false;
        }

        $response = $kexinit_payload_server;
        Strings::shift($response, 1); // skip past the message number (it should be SSH_MSG_KEXINIT)
        $server_cookie = Strings::shift($response, 16);

        list(
            $this->kex_algorithms,
            $this->server_host_key_algorithms,
            $this->encryption_algorithms_client_to_server,
            $this->encryption_algorithms_server_to_client,
            $this->mac_algorithms_client_to_server,
            $this->mac_algorithms_server_to_client,
            $this->compression_algorithms_client_to_server,
            $this->compression_algorithms_server_to_client,
            $this->languages_client_to_server,
            $this->languages_server_to_client,
            $first_kex_packet_follows
        ) = Strings::unpackSSH2('L10C', $response);

        if ($send_kex) {
            $this->send_binary_packet($kexinit_payload_client);
        }

        // we need to decide upon the symmetric encryption algorithms before we do the diffie-hellman key exchange

        // we don't initialize any crypto-objects, yet - we do that, later. for now, we need the lengths to make the
        // diffie-hellman key exchange as fast as possible
        $decrypt = self::array_intersect_first($s2c_encryption_algorithms, $this->encryption_algorithms_server_to_client);
        $decryptKeyLength = $this->encryption_algorithm_to_key_size($decrypt);
        if ($decryptKeyLength === null) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible server to client encryption algorithms found');
        }

        $encrypt = self::array_intersect_first($c2s_encryption_algorithms, $this->encryption_algorithms_client_to_server);
        $encryptKeyLength = $this->encryption_algorithm_to_key_size($encrypt);
        if ($encryptKeyLength === null) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible client to server encryption algorithms found');
        }

        // through diffie-hellman key exchange a symmetric key is obtained
        $this->kex_algorithm = self::array_intersect_first($kex_algorithms, $this->kex_algorithms);
        if ($this->kex_algorithm === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible key exchange algorithms found');
        }

        $server_host_key_algorithm = self::array_intersect_first($server_host_key_algorithms, $this->server_host_key_algorithms);
        if ($server_host_key_algorithm === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible server host key algorithms found');
        }

        $mac_algorithm_out = self::array_intersect_first($c2s_mac_algorithms, $this->mac_algorithms_client_to_server);
        if ($mac_algorithm_out === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible client to server message authentication algorithms found');
        }

        $mac_algorithm_in = self::array_intersect_first($s2c_mac_algorithms, $this->mac_algorithms_server_to_client);
        if ($mac_algorithm_in === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible server to client message authentication algorithms found');
        }

        $compression_map = [
            'none' => self::NET_SSH2_COMPRESSION_NONE,
            'zlib' => self::NET_SSH2_COMPRESSION_ZLIB,
            'zlib@openssh.com' => self::NET_SSH2_COMPRESSION_ZLIB_AT_OPENSSH
        ];

        $compression_algorithm_in = self::array_intersect_first($s2c_compression_algorithms, $this->compression_algorithms_server_to_client);
        if ($compression_algorithm_in === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible server to client compression algorithms found');
        }
        $this->decompress = $compression_map[$compression_algorithm_in];

        $compression_algorithm_out = self::array_intersect_first($c2s_compression_algorithms, $this->compression_algorithms_client_to_server);
        if ($compression_algorithm_out === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
            throw new NoSupportedAlgorithmsException('No compatible client to server compression algorithms found');
        }
        $this->compress = $compression_map[$compression_algorithm_out];

        switch ($this->kex_algorithm) {
            case 'diffie-hellman-group15-sha512':
            case 'diffie-hellman-group16-sha512':
            case 'diffie-hellman-group17-sha512':
            case 'diffie-hellman-group18-sha512':
            case 'ecdh-sha2-nistp521':
                $kexHash = new Hash('sha512');
                break;
            case 'ecdh-sha2-nistp384':
                $kexHash = new Hash('sha384');
                break;
            case 'diffie-hellman-group-exchange-sha256':
            case 'diffie-hellman-group14-sha256':
            case 'ecdh-sha2-nistp256':
            case 'curve25519-sha256@libssh.org':
            case 'curve25519-sha256':
                $kexHash = new Hash('sha256');
                break;
            default:
                $kexHash = new Hash('sha1');
        }

        // Only relevant in diffie-hellman-group-exchange-sha{1,256}, otherwise empty.

        $exchange_hash_rfc4419 = '';

        if (strpos($this->kex_algorithm, 'curve25519-sha256') === 0 || strpos($this->kex_algorithm, 'ecdh-sha2-nistp') === 0) {
            $curve = strpos($this->kex_algorithm, 'curve25519-sha256') === 0 ?
                'Curve25519' :
                substr($this->kex_algorithm, 10);
            $ourPrivate = EC::createKey($curve);
            $ourPublicBytes = $ourPrivate->getPublicKey()->getEncodedCoordinates();
            $clientKexInitMessage = 'NET_SSH2_MSG_KEX_ECDH_INIT';
            $serverKexReplyMessage = 'NET_SSH2_MSG_KEX_ECDH_REPLY';
        } else {
            if (strpos($this->kex_algorithm, 'diffie-hellman-group-exchange') === 0) {
                $dh_group_sizes_packed = pack(
                    'NNN',
                    $this->kex_dh_group_size_min,
                    $this->kex_dh_group_size_preferred,
                    $this->kex_dh_group_size_max
                );
                $packet = pack(
                    'Ca*',
                    NET_SSH2_MSG_KEXDH_GEX_REQUEST,
                    $dh_group_sizes_packed
                );
                $this->send_binary_packet($packet);
                $this->updateLogHistory('UNKNOWN (34)', 'NET_SSH2_MSG_KEXDH_GEX_REQUEST');

                $response = $this->get_binary_packet();

                list($type, $primeBytes, $gBytes) = Strings::unpackSSH2('Css', $response);
                if ($type != NET_SSH2_MSG_KEXDH_GEX_GROUP) {
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_PROTOCOL_ERROR);
                    throw new \UnexpectedValueException('Expected SSH_MSG_KEX_DH_GEX_GROUP');
                }
                $this->updateLogHistory('NET_SSH2_MSG_KEXDH_REPLY', 'NET_SSH2_MSG_KEXDH_GEX_GROUP');
                $prime = new BigInteger($primeBytes, -256);
                $g = new BigInteger($gBytes, -256);

                $exchange_hash_rfc4419 = $dh_group_sizes_packed . Strings::packSSH2(
                    'ss',
                    $primeBytes,
                    $gBytes
                );

                $params = DH::createParameters($prime, $g);
                $clientKexInitMessage = 'NET_SSH2_MSG_KEXDH_GEX_INIT';
                $serverKexReplyMessage = 'NET_SSH2_MSG_KEXDH_GEX_REPLY';
            } else {
                $params = DH::createParameters($this->kex_algorithm);
                $clientKexInitMessage = 'NET_SSH2_MSG_KEXDH_INIT';
                $serverKexReplyMessage = 'NET_SSH2_MSG_KEXDH_REPLY';
            }

            $keyLength = min($kexHash->getLengthInBytes(), max($encryptKeyLength, $decryptKeyLength));

            $ourPrivate = DH::createKey($params, 16 * $keyLength); // 2 * 8 * $keyLength
            $ourPublic = $ourPrivate->getPublicKey()->toBigInteger();
            $ourPublicBytes = $ourPublic->toBytes(true);
        }

        $data = pack('CNa*', constant($clientKexInitMessage), strlen($ourPublicBytes), $ourPublicBytes);

        $this->send_binary_packet($data);

        switch ($clientKexInitMessage) {
            case 'NET_SSH2_MSG_KEX_ECDH_INIT':
                $this->updateLogHistory('NET_SSH2_MSG_KEXDH_INIT', 'NET_SSH2_MSG_KEX_ECDH_INIT');
                break;
            case 'NET_SSH2_MSG_KEXDH_GEX_INIT':
                $this->updateLogHistory('UNKNOWN (32)', 'NET_SSH2_MSG_KEXDH_GEX_INIT');
        }

        $response = $this->get_binary_packet();

        list(
            $type,
            $server_public_host_key,
            $theirPublicBytes,
            $this->signature
        ) = Strings::unpackSSH2('Csss', $response);

        if ($type != constant($serverKexReplyMessage)) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_PROTOCOL_ERROR);
            throw new \UnexpectedValueException("Expected $serverKexReplyMessage");
        }
        switch ($serverKexReplyMessage) {
            case 'NET_SSH2_MSG_KEX_ECDH_REPLY':
                $this->updateLogHistory('NET_SSH2_MSG_KEXDH_REPLY', 'NET_SSH2_MSG_KEX_ECDH_REPLY');
                break;
            case 'NET_SSH2_MSG_KEXDH_GEX_REPLY':
                $this->updateLogHistory('UNKNOWN (33)', 'NET_SSH2_MSG_KEXDH_GEX_REPLY');
        }

        $this->server_public_host_key = $server_public_host_key;
        list($public_key_format) = Strings::unpackSSH2('s', $server_public_host_key);
        if (strlen($this->signature) < 4) {
            throw new \LengthException('The signature needs at least four bytes');
        }
        $temp = unpack('Nlength', substr($this->signature, 0, 4));
        $this->signature_format = substr($this->signature, 4, $temp['length']);

        $keyBytes = DH::computeSecret($ourPrivate, $theirPublicBytes);
        if (($keyBytes & "\xFF\x80") === "\x00\x00") {
            $keyBytes = substr($keyBytes, 1);
        } elseif (($keyBytes[0] & "\x80") === "\x80") {
            $keyBytes = "\0$keyBytes";
        }

        $this->exchange_hash = Strings::packSSH2(
            's5',
            $this->identifier,
            $this->server_identifier,
            $kexinit_payload_client,
            $kexinit_payload_server,
            $this->server_public_host_key
        );
        $this->exchange_hash .= $exchange_hash_rfc4419;
        $this->exchange_hash .= Strings::packSSH2(
            's3',
            $ourPublicBytes,
            $theirPublicBytes,
            $keyBytes
        );

        $this->exchange_hash = $kexHash->hash($this->exchange_hash);

        if ($this->session_id === false) {
            $this->session_id = $this->exchange_hash;
        }

        switch ($server_host_key_algorithm) {
            case 'rsa-sha2-256':
            case 'rsa-sha2-512':
            //case 'ssh-rsa':
                $expected_key_format = 'ssh-rsa';
                break;
            default:
                $expected_key_format = $server_host_key_algorithm;
        }
        if ($public_key_format != $expected_key_format || $this->signature_format != $server_host_key_algorithm) {
            switch (true) {
                case $this->signature_format == $server_host_key_algorithm:
                case $server_host_key_algorithm != 'rsa-sha2-256' && $server_host_key_algorithm != 'rsa-sha2-512':
                case $this->signature_format != 'ssh-rsa':
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
                    throw new \RuntimeException('Server Host Key Algorithm Mismatch (' . $this->signature_format . ' vs ' . $server_host_key_algorithm . ')');
            }
        }

        $packet = pack('C', NET_SSH2_MSG_NEWKEYS);
        $this->send_binary_packet($packet);

        $response = $this->get_binary_packet();

        if ($response === false) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_CONNECTION_LOST);
            throw new ConnectionClosedException('Connection closed by server');
        }

        list($type) = Strings::unpackSSH2('C', $response);
        if ($type != NET_SSH2_MSG_NEWKEYS) {
            $this->disconnect_helper(NET_SSH2_DISCONNECT_PROTOCOL_ERROR);
            throw new \UnexpectedValueException('Expected SSH_MSG_NEWKEYS');
        }

        $keyBytes = pack('Na*', strlen($keyBytes), $keyBytes);

        $this->encrypt = self::encryption_algorithm_to_crypt_instance($encrypt);
        if ($this->encrypt) {
            if (self::$crypto_engine) {
                $this->encrypt->setPreferredEngine(self::$crypto_engine);
            }
            if ($this->encrypt->getBlockLengthInBytes()) {
                $this->encrypt_block_size = $this->encrypt->getBlockLengthInBytes();
            }
            $this->encrypt->disablePadding();

            if ($this->encrypt->usesIV()) {
                $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'A' . $this->session_id);
                while ($this->encrypt_block_size > strlen($iv)) {
                    $iv .= $kexHash->hash($keyBytes . $this->exchange_hash . $iv);
                }
                $this->encrypt->setIV(substr($iv, 0, $this->encrypt_block_size));
            }

            switch ($encrypt) {
                case 'aes128-gcm@openssh.com':
                case 'aes256-gcm@openssh.com':
                    $nonce = $kexHash->hash($keyBytes . $this->exchange_hash . 'A' . $this->session_id);
                    $this->encryptFixedPart = substr($nonce, 0, 4);
                    $this->encryptInvocationCounter = substr($nonce, 4, 8);
                    // fall-through
                case 'chacha20-poly1305@openssh.com':
                    break;
                default:
                    $this->encrypt->enableContinuousBuffer();
            }

            $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'C' . $this->session_id);
            while ($encryptKeyLength > strlen($key)) {
                $key .= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
            }
            switch ($encrypt) {
                case 'chacha20-poly1305@openssh.com':
                    $encryptKeyLength = 32;
                    $this->lengthEncrypt = self::encryption_algorithm_to_crypt_instance($encrypt);
                    $this->lengthEncrypt->setKey(substr($key, 32, 32));
            }
            $this->encrypt->setKey(substr($key, 0, $encryptKeyLength));
            $this->encryptName = $encrypt;
        }

        $this->decrypt = self::encryption_algorithm_to_crypt_instance($decrypt);
        if ($this->decrypt) {
            if (self::$crypto_engine) {
                $this->decrypt->setPreferredEngine(self::$crypto_engine);
            }
            if ($this->decrypt->getBlockLengthInBytes()) {
                $this->decrypt_block_size = $this->decrypt->getBlockLengthInBytes();
            }
            $this->decrypt->disablePadding();

            if ($this->decrypt->usesIV()) {
                $iv = $kexHash->hash($keyBytes . $this->exchange_hash . 'B' . $this->session_id);
                while ($this->decrypt_block_size > strlen($iv)) {
                    $iv .= $kexHash->hash($keyBytes . $this->exchange_hash . $iv);
                }
                $this->decrypt->setIV(substr($iv, 0, $this->decrypt_block_size));
            }

            switch ($decrypt) {
                case 'aes128-gcm@openssh.com':
                case 'aes256-gcm@openssh.com':
                    // see https://tools.ietf.org/html/rfc5647#section-7.1
                    $nonce = $kexHash->hash($keyBytes . $this->exchange_hash . 'B' . $this->session_id);
                    $this->decryptFixedPart = substr($nonce, 0, 4);
                    $this->decryptInvocationCounter = substr($nonce, 4, 8);
                    // fall-through
                case 'chacha20-poly1305@openssh.com':
                    break;
                default:
                    $this->decrypt->enableContinuousBuffer();
            }

            $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'D' . $this->session_id);
            while ($decryptKeyLength > strlen($key)) {
                $key .= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
            }
            switch ($decrypt) {
                case 'chacha20-poly1305@openssh.com':
                    $decryptKeyLength = 32;
                    $this->lengthDecrypt = self::encryption_algorithm_to_crypt_instance($decrypt);
                    $this->lengthDecrypt->setKey(substr($key, 32, 32));
            }
            $this->decrypt->setKey(substr($key, 0, $decryptKeyLength));
            $this->decryptName = $decrypt;
        }

        /* The "arcfour128" algorithm is the RC4 cipher, as described in
           [SCHNEIER], using a 128-bit key.  The first 1536 bytes of keystream
           generated by the cipher MUST be discarded, and the first byte of the
           first encrypted packet MUST be encrypted using the 1537th byte of
           keystream.

           -- http://tools.ietf.org/html/rfc4345#section-4 */
        if ($encrypt == 'arcfour128' || $encrypt == 'arcfour256') {
            $this->encrypt->encrypt(str_repeat("\0", 1536));
        }
        if ($decrypt == 'arcfour128' || $decrypt == 'arcfour256') {
            $this->decrypt->decrypt(str_repeat("\0", 1536));
        }

        if (!$this->encrypt->usesNonce()) {
            list($this->hmac_create, $createKeyLength) = self::mac_algorithm_to_hash_instance($mac_algorithm_out);
        } else {
            $this->hmac_create = new \stdClass();
            $this->hmac_create_name = $mac_algorithm_out;
            //$mac_algorithm_out = 'none';
            $createKeyLength = 0;
        }

        if ($this->hmac_create instanceof Hash) {
            $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'E' . $this->session_id);
            while ($createKeyLength > strlen($key)) {
                $key .= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
            }
            $this->hmac_create->setKey(substr($key, 0, $createKeyLength));
            $this->hmac_create_name = $mac_algorithm_out;
            $this->hmac_create_etm = preg_match('#-etm@openssh\.com$#', $mac_algorithm_out);
        }

        if (!$this->decrypt->usesNonce()) {
            list($this->hmac_check, $checkKeyLength) = self::mac_algorithm_to_hash_instance($mac_algorithm_in);
            $this->hmac_size = $this->hmac_check->getLengthInBytes();
        } else {
            $this->hmac_check = new \stdClass();
            $this->hmac_check_name = $mac_algorithm_in;
            //$mac_algorithm_in = 'none';
            $checkKeyLength = 0;
            $this->hmac_size = 0;
        }

        if ($this->hmac_check instanceof Hash) {
            $key = $kexHash->hash($keyBytes . $this->exchange_hash . 'F' . $this->session_id);
            while ($checkKeyLength > strlen($key)) {
                $key .= $kexHash->hash($keyBytes . $this->exchange_hash . $key);
            }
            $this->hmac_check->setKey(substr($key, 0, $checkKeyLength));
            $this->hmac_check_name = $mac_algorithm_in;
            $this->hmac_check_etm = preg_match('#-etm@openssh\.com$#', $mac_algorithm_in);
        }

        $this->regenerate_compression_context = $this->regenerate_decompression_context = true;

        return true;
    }

    /**
     * Maps an encryption algorithm name to the number of key bytes.
     *
     * @param string $algorithm Name of the encryption algorithm
     * @return int|null Number of bytes as an integer or null for unknown
     * @access private
     */
    private function encryption_algorithm_to_key_size($algorithm)
    {
        if ($this->bad_key_size_fix && self::bad_algorithm_candidate($algorithm)) {
            return 16;
        }

        switch ($algorithm) {
            case 'none':
                return 0;
            case 'aes128-gcm@openssh.com':
            case 'aes128-cbc':
            case 'aes128-ctr':
            case 'arcfour':
            case 'arcfour128':
            case 'blowfish-cbc':
            case 'blowfish-ctr':
            case 'twofish128-cbc':
            case 'twofish128-ctr':
                return 16;
            case '3des-cbc':
            case '3des-ctr':
            case 'aes192-cbc':
            case 'aes192-ctr':
            case 'twofish192-cbc':
            case 'twofish192-ctr':
                return 24;
            case 'aes256-gcm@openssh.com':
            case 'aes256-cbc':
            case 'aes256-ctr':
            case 'arcfour256':
            case 'twofish-cbc':
            case 'twofish256-cbc':
            case 'twofish256-ctr':
                return 32;
            case 'chacha20-poly1305@openssh.com':
                return 64;
        }
        return null;
    }

    /**
     * Maps an encryption algorithm name to an instance of a subclass of
     * \phpseclib3\Crypt\Common\SymmetricKey.
     *
     * @param string $algorithm Name of the encryption algorithm
     * @return SymmetricKey|null
     * @access private
     */
    private static function encryption_algorithm_to_crypt_instance($algorithm)
    {
        switch ($algorithm) {
            case '3des-cbc':
                return new TripleDES('cbc');
            case '3des-ctr':
                return new TripleDES('ctr');
            case 'aes256-cbc':
            case 'aes192-cbc':
            case 'aes128-cbc':
                return new Rijndael('cbc');
            case 'aes256-ctr':
            case 'aes192-ctr':
            case 'aes128-ctr':
                return new Rijndael('ctr');
            case 'blowfish-cbc':
                return new Blowfish('cbc');
            case 'blowfish-ctr':
                return new Blowfish('ctr');
            case 'twofish128-cbc':
            case 'twofish192-cbc':
            case 'twofish256-cbc':
            case 'twofish-cbc':
                return new Twofish('cbc');
            case 'twofish128-ctr':
            case 'twofish192-ctr':
            case 'twofish256-ctr':
                return new Twofish('ctr');
            case 'arcfour':
            case 'arcfour128':
            case 'arcfour256':
                return new RC4();
            case 'aes128-gcm@openssh.com':
            case 'aes256-gcm@openssh.com':
                return new Rijndael('gcm');
            case 'chacha20-poly1305@openssh.com':
                return new ChaCha20();
        }
        return null;
    }

    /**
     * Maps an encryption algorithm name to an instance of a subclass of
     * \phpseclib3\Crypt\Hash.
     *
     * @param string $algorithm Name of the encryption algorithm
     * @return array{Hash, int}|null
     * @access private
     */
    private static function mac_algorithm_to_hash_instance($algorithm)
    {
        switch ($algorithm) {
            case 'umac-64@openssh.com':
            case 'umac-64-etm@openssh.com':
                return [new Hash('umac-64'), 16];
            case 'umac-128@openssh.com':
            case 'umac-128-etm@openssh.com':
                return [new Hash('umac-128'), 16];
            case 'hmac-sha2-512':
            case 'hmac-sha2-512-etm@openssh.com':
                return [new Hash('sha512'), 64];
            case 'hmac-sha2-256':
            case 'hmac-sha2-256-etm@openssh.com':
                return [new Hash('sha256'), 32];
            case 'hmac-sha1':
            case 'hmac-sha1-etm@openssh.com':
                return [new Hash('sha1'), 20];
            case 'hmac-sha1-96':
                return [new Hash('sha1-96'), 20];
            case 'hmac-md5':
                return [new Hash('md5'), 16];
            case 'hmac-md5-96':
                return [new Hash('md5-96'), 16];
        }
    }

    /*
     * Tests whether or not proposed algorithm has a potential for issues
     *
     * @link https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/ssh2-aesctr-openssh.html
     * @link https://bugzilla.mindrot.org/show_bug.cgi?id=1291
     * @param string $algorithm Name of the encryption algorithm
     * @return bool
     * @access private
     */
    private static function bad_algorithm_candidate($algorithm)
    {
        switch ($algorithm) {
            case 'arcfour256':
            case 'aes192-ctr':
            case 'aes256-ctr':
                return true;
        }

        return false;
    }

    /**
     * Login
     *
     * The $password parameter can be a plaintext password, a \phpseclib3\Crypt\RSA|EC|DSA object, a \phpseclib3\System\SSH\Agent object or an array
     *
     * @param string $username
     * @param string|AsymmetricKey|array[]|Agent|null ...$args
     * @return bool
     * @see self::_login()
     * @access public
     */
    public function login($username, ...$args)
    {
        $this->auth[] = func_get_args();

        // try logging with 'none' as an authentication method first since that's what
        // PuTTY does
        if (substr($this->server_identifier, 0, 15) != 'SSH-2.0-CoreFTP' && $this->auth_methods_to_continue === null) {
            if ($this->sublogin($username)) {
                return true;
            }
            if (!count($args)) {
                return false;
            }
        }
        return $this->sublogin($username, ...$args);
    }

    /**
     * Login Helper
     *
     * @param string $username
     * @param string ...$args
     * @return bool
     * @see self::_login_helper()
     * @access private
     */
    protected function sublogin($username, ...$args)
    {
        if (!($this->bitmap & self::MASK_CONSTRUCTOR)) {
            $this->connect();
        }

        if (empty($args)) {
            return $this->login_helper($username);
        }

        foreach ($args as $arg) {
            switch (true) {
                case $arg instanceof PublicKey:
                    throw new \UnexpectedValueException('A PublicKey object was passed to the login method instead of a PrivateKey object');
                case $arg instanceof PrivateKey:
                case $arg instanceof Agent:
                case is_array($arg):
                case Strings::is_stringable($arg):
                    break;
                default:
                    throw new \UnexpectedValueException('$password needs to either be an instance of \phpseclib3\Crypt\Common\PrivateKey, \System\SSH\Agent, an array or a string');
            }
        }

        while (count($args)) {
            if (!$this->auth_methods_to_continue || !$this->smartMFA) {
                $newargs = $args;
                $args = [];
            } else {
                $newargs = [];
                foreach ($this->auth_methods_to_continue as $method) {
                    switch ($method) {
                        case 'publickey':
                            foreach ($args as $key => $arg) {
                                if ($arg instanceof PrivateKey || $arg instanceof Agent) {
                                    $newargs[] = $arg;
                                    unset($args[$key]);
                                    break;
                                }
                            }
                            break;
                        case 'keyboard-interactive':
                            $hasArray = $hasString = false;
                            foreach ($args as $arg) {
                                if ($hasArray || is_array($arg)) {
                                    $hasArray = true;
                                    break;
                                }
                                if ($hasString || Strings::is_stringable($arg)) {
                                    $hasString = true;
                                    break;
                                }
                            }
                            if ($hasArray && $hasString) {
                                foreach ($args as $key => $arg) {
                                    if (is_array($arg)) {
                                        $newargs[] = $arg;
                                        break 2;
                                    }
                                }
                            }
                            // fall-through
                        case 'password':
                            foreach ($args as $key => $arg) {
                                $newargs[] = $arg;
                                unset($args[$key]);
                                break;
                            }
                    }
                }
            }

            if (!count($newargs)) {
                return false;
            }

            foreach ($newargs as $arg) {
                if ($this->login_helper($username, $arg)) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * Login Helper
     *
     * {@internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis}
     *           by sending dummy SSH_MSG_IGNORE messages.}
     *
     * @param string $username
     * @param string|AsymmetricKey|array[]|Agent|null ...$args
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @throws \RuntimeException on other errors
     * @access private
     */
    private function login_helper($username, $password = null)
    {
        if (!($this->bitmap & self::MASK_CONNECTED)) {
            return false;
        }

        if (!($this->bitmap & self::MASK_LOGIN_REQ)) {
            $packet = Strings::packSSH2('Cs', NET_SSH2_MSG_SERVICE_REQUEST, 'ssh-userauth');
            $this->send_binary_packet($packet);

            try {
                $response = $this->get_binary_packet();
            } catch (\Exception $e) {
                if ($this->retry_connect) {
                    $this->retry_connect = false;
                    $this->connect();
                    return $this->login_helper($username, $password);
                }
                $this->disconnect_helper(NET_SSH2_DISCONNECT_CONNECTION_LOST);
                throw new ConnectionClosedException('Connection closed by server');
            }

            list($type, $service) = Strings::unpackSSH2('Cs', $response);
            if ($type != NET_SSH2_MSG_SERVICE_ACCEPT || $service != 'ssh-userauth') {
                $this->disconnect_helper(NET_SSH2_DISCONNECT_PROTOCOL_ERROR);
                throw new \UnexpectedValueException('Expected SSH_MSG_SERVICE_ACCEPT');
            }
            $this->bitmap |= self::MASK_LOGIN_REQ;
        }

        if (strlen($this->last_interactive_response)) {
            return !Strings::is_stringable($password) && !is_array($password) ? false : $this->keyboard_interactive_process($password);
        }

        if ($password instanceof PrivateKey) {
            return $this->privatekey_login($username, $password);
        }

        if ($password instanceof Agent) {
            return $this->ssh_agent_login($username, $password);
        }

        if (is_array($password)) {
            if ($this->keyboard_interactive_login($username, $password)) {
                $this->bitmap |= self::MASK_LOGIN;
                return true;
            }
            return false;
        }

        if (!isset($password)) {
            $packet = Strings::packSSH2(
                'Cs3',
                NET_SSH2_MSG_USERAUTH_REQUEST,
                $username,
                'ssh-connection',
                'none'
            );

            $this->send_binary_packet($packet);

            $response = $this->get_binary_packet();

            list($type) = Strings::unpackSSH2('C', $response);
            switch ($type) {
                case NET_SSH2_MSG_USERAUTH_SUCCESS:
                    $this->bitmap |= self::MASK_LOGIN;
                    return true;
                case NET_SSH2_MSG_USERAUTH_FAILURE:
                    list($auth_methods) = Strings::unpackSSH2('L', $response);
                    $this->auth_methods_to_continue = $auth_methods;
                    // fall-through
                default:
                    return false;
            }
        }

        $packet = Strings::packSSH2(
            'Cs3bs',
            NET_SSH2_MSG_USERAUTH_REQUEST,
            $username,
            'ssh-connection',
            'password',
            false,
            $password
        );

        // remove the username and password from the logged packet
        if (!defined('NET_SSH2_LOGGING')) {
            $logged = null;
        } else {
            $logged = Strings::packSSH2(
                'Cs3bs',
                NET_SSH2_MSG_USERAUTH_REQUEST,
                $username,
                'ssh-connection',
                'password',
                false,
                'password'
            );
        }

        $this->send_binary_packet($packet, $logged);

        $response = $this->get_binary_packet();

        list($type) = Strings::unpackSSH2('C', $response);
        switch ($type) {
            case NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ: // in theory, the password can be changed
                $this->updateLogHistory('UNKNOWN (60)', 'NET_SSH2_MSG_USERAUTH_PASSWD_CHANGEREQ');

                list($message) = Strings::unpackSSH2('s', $response);
                $this->errors[] = 'SSH_MSG_USERAUTH_PASSWD_CHANGEREQ: ' . $message;

                return $this->disconnect_helper(NET_SSH2_DISCONNECT_AUTH_CANCELLED_BY_USER);
            case NET_SSH2_MSG_USERAUTH_FAILURE:
                // can we use keyboard-interactive authentication?  if not then either the login is bad or the server employees
                // multi-factor authentication
                list($auth_methods, $partial_success) = Strings::unpackSSH2('Lb', $response);
                $this->auth_methods_to_continue = $auth_methods;
                if (!$partial_success && in_array('keyboard-interactive', $auth_methods)) {
                    if ($this->keyboard_interactive_login($username, $password)) {
                        $this->bitmap |= self::MASK_LOGIN;
                        return true;
                    }
                    return false;
                }
                return false;
            case NET_SSH2_MSG_USERAUTH_SUCCESS:
                $this->bitmap |= self::MASK_LOGIN;
                return true;
        }

        return false;
    }

    /**
     * Login via keyboard-interactive authentication
     *
     * See {@link http://tools.ietf.org/html/rfc4256 RFC4256} for details.  This is not a full-featured keyboard-interactive authenticator.
     *
     * @param string $username
     * @param string|array $password
     * @return bool
     * @access private
     */
    private function keyboard_interactive_login($username, $password)
    {
        $packet = Strings::packSSH2(
            'Cs5',
            NET_SSH2_MSG_USERAUTH_REQUEST,
            $username,
            'ssh-connection',
            'keyboard-interactive',
            '', // language tag
            '' // submethods
        );
        $this->send_binary_packet($packet);

        return $this->keyboard_interactive_process($password);
    }

    /**
     * Handle the keyboard-interactive requests / responses.
     *
     * @param string|array ...$responses
     * @return bool
     * @throws \RuntimeException on connection error
     * @access private
     */
    private function keyboard_interactive_process(...$responses)
    {
        if (strlen($this->last_interactive_response)) {
            $response = $this->last_interactive_response;
        } else {
            $orig = $response = $this->get_binary_packet();
        }

        list($type) = Strings::unpackSSH2('C', $response);
        switch ($type) {
            case NET_SSH2_MSG_USERAUTH_INFO_REQUEST:
                list(
                    , // name; may be empty
                    , // instruction; may be empty
                    , // language tag; may be empty
                    $num_prompts
                ) = Strings::unpackSSH2('s3N', $response);

                for ($i = 0; $i < count($responses); $i++) {
                    if (is_array($responses[$i])) {
                        foreach ($responses[$i] as $key => $value) {
                            $this->keyboard_requests_responses[$key] = $value;
                        }
                        unset($responses[$i]);
                    }
                }
                $responses = array_values($responses);

                if (isset($this->keyboard_requests_responses)) {
                    for ($i = 0; $i < $num_prompts; $i++) {
                        list(
                            $prompt, // prompt - ie. "Password: "; must not be empty
                            // echo
                        ) = Strings::unpackSSH2('sC', $response);
                        foreach ($this->keyboard_requests_responses as $key => $value) {
                            if (substr($prompt, 0, strlen($key)) == $key) {
                                $responses[] = $value;
                                break;
                            }
                        }
                    }
                }

                // see http://tools.ietf.org/html/rfc4256#section-3.2
                if (strlen($this->last_interactive_response)) {
                    $this->last_interactive_response = '';
                } else {
                    $this->updateLogHistory('UNKNOWN (60)', 'NET_SSH2_MSG_USERAUTH_INFO_REQUEST');
                }

                if (!count($responses) && $num_prompts) {
                    $this->last_interactive_response = $orig;
                    return false;
                }

                /*
                   After obtaining the requested information from the user, the client
                   MUST respond with an SSH_MSG_USERAUTH_INFO_RESPONSE message.
                */
                // see http://tools.ietf.org/html/rfc4256#section-3.4
                $packet = $logged = pack('CN', NET_SSH2_MSG_USERAUTH_INFO_RESPONSE, count($responses));
                for ($i = 0; $i < count($responses); $i++) {
                    $packet .= Strings::packSSH2('s', $responses[$i]);
                    $logged .= Strings::packSSH2('s', 'dummy-answer');
                }

                $this->send_binary_packet($packet, $logged);

                $this->updateLogHistory('UNKNOWN (61)', 'NET_SSH2_MSG_USERAUTH_INFO_RESPONSE');

                /*
                   After receiving the response, the server MUST send either an
                   SSH_MSG_USERAUTH_SUCCESS, SSH_MSG_USERAUTH_FAILURE, or another
                   SSH_MSG_USERAUTH_INFO_REQUEST message.
                */
                // maybe phpseclib should force close the connection after x request / responses?  unless something like that is done
                // there could be an infinite loop of request / responses.
                return $this->keyboard_interactive_process();
            case NET_SSH2_MSG_USERAUTH_SUCCESS:
                return true;
            case NET_SSH2_MSG_USERAUTH_FAILURE:
                list($auth_methods) = Strings::unpackSSH2('L', $response);
                $this->auth_methods_to_continue = $auth_methods;
                return false;
        }

        return false;
    }

    /**
     * Login with an ssh-agent provided key
     *
     * @param string $username
     * @param \phpseclib3\System\SSH\Agent $agent
     * @return bool
     * @access private
     */
    private function ssh_agent_login($username, Agent $agent)
    {
        $this->agent = $agent;
        $keys = $agent->requestIdentities();
        foreach ($keys as $key) {
            if ($this->privatekey_login($username, $key)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Login with an RSA private key
     *
     * {@internal It might be worthwhile, at some point, to protect against {@link http://tools.ietf.org/html/rfc4251#section-9.3.9 traffic analysis}
     *           by sending dummy SSH_MSG_IGNORE messages.}
     *
     * @param string $username
     * @param \phpseclib3\Crypt\Common\PrivateKey $privatekey
     * @return bool
     * @throws \RuntimeException on connection error
     * @access private
     */
    private function privatekey_login($username, PrivateKey $privatekey)
    {
        $publickey = $privatekey->getPublicKey();

        if ($publickey instanceof RSA) {
            $privatekey = $privatekey->withPadding(RSA::SIGNATURE_PKCS1);
            $algos = ['rsa-sha2-256', 'rsa-sha2-512', 'ssh-rsa'];
            if (isset($this->preferred['hostkey'])) {
                $algos = array_intersect($this->preferred['hostkey'], $algos);
            }
            $algo = self::array_intersect_first($algos, $this->server_host_key_algorithms);
            switch ($algo) {
                case 'rsa-sha2-512':
                    $hash = 'sha512';
                    $signatureType = 'rsa-sha2-512';
                    break;
                case 'rsa-sha2-256':
                    $hash = 'sha256';
                    $signatureType = 'rsa-sha2-256';
                    break;
                //case 'ssh-rsa':
                default:
                    $hash = 'sha1';
                    $signatureType = 'ssh-rsa';
            }
        } elseif ($publickey instanceof EC) {
            $privatekey = $privatekey->withSignatureFormat('SSH2');
            $curveName = $privatekey->getCurve();
            switch ($curveName) {
                case 'Ed25519':
                    $hash = 'sha512';
                    $signatureType = 'ssh-ed25519';
                    break;
                case 'secp256r1': // nistp256
                    $hash = 'sha256';
                    $signatureType = 'ecdsa-sha2-nistp256';
                    break;
                case 'secp384r1': // nistp384
                    $hash = 'sha384';
                    $signatureType = 'ecdsa-sha2-nistp384';
                    break;
                case 'secp521r1': // nistp521
                    $hash = 'sha512';
                    $signatureType = 'ecdsa-sha2-nistp521';
                    break;
                default:
                    if (is_array($curveName)) {
                        throw new UnsupportedCurveException('Specified Curves are not supported by SSH2');
                    }
                    throw new UnsupportedCurveException('Named Curve of ' . $curveName . ' is not supported by phpseclib3\'s SSH2 implementation');
            }
        } elseif ($publickey instanceof DSA) {
            $privatekey = $privatekey->withSignatureFormat('SSH2');
            $hash = 'sha1';
            $signatureType = 'ssh-dss';
        } else {
            throw new UnsupportedAlgorithmException('Please use either an RSA key, an EC one or a DSA key');
        }

        $publickeyStr = $publickey->toString('OpenSSH', ['binary' => true]);

        $part1 = Strings::packSSH2(
            'Csss',
            NET_SSH2_MSG_USERAUTH_REQUEST,
            $username,
            'ssh-connection',
            'publickey'
        );
        $part2 = Strings::packSSH2('ss', $signatureType, $publickeyStr);

        $packet = $part1 . chr(0) . $part2;
        $this->send_binary_packet($packet);

        $response = $this->get_binary_packet();

        list($type) = Strings::unpackSSH2('C', $response);
        switch ($type) {
            case NET_SSH2_MSG_USERAUTH_FAILURE:
                list($auth_methods) = Strings::unpackSSH2('L', $response);
                $this->auth_methods_to_continue = $auth_methods;
                $this->errors[] = 'SSH_MSG_USERAUTH_FAILURE';
                return false;
            case NET_SSH2_MSG_USERAUTH_PK_OK:
                // we'll just take it on faith that the public key blob and the public key algorithm name are as
                // they should be
                $this->updateLogHistory('UNKNOWN (60)', 'NET_SSH2_MSG_USERAUTH_PK_OK');
                break;
            case NET_SSH2_MSG_USERAUTH_SUCCESS:
                $this->bitmap |= self::MASK_LOGIN;
                return true;
            default:
                $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                throw new ConnectionClosedException('Unexpected response to publickey authentication pt 1');
        }

        $packet = $part1 . chr(1) . $part2;
        $privatekey = $privatekey->withHash($hash);
        $signature = $privatekey->sign(Strings::packSSH2('s', $this->session_id) . $packet);
        if ($publickey instanceof RSA) {
            $signature = Strings::packSSH2('ss', $signatureType, $signature);
        }
        $packet .= Strings::packSSH2('s', $signature);

        $this->send_binary_packet($packet);

        $response = $this->get_binary_packet();

        list($type) = Strings::unpackSSH2('C', $response);
        switch ($type) {
            case NET_SSH2_MSG_USERAUTH_FAILURE:
                // either the login is bad or the server employs multi-factor authentication
                list($auth_methods) = Strings::unpackSSH2('L', $response);
                $this->auth_methods_to_continue = $auth_methods;
                return false;
            case NET_SSH2_MSG_USERAUTH_SUCCESS:
                $this->bitmap |= self::MASK_LOGIN;
                return true;
        }

        $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
        throw new ConnectionClosedException('Unexpected response to publickey authentication pt 2');
    }

    /**
     * Set Timeout
     *
     * $ssh->exec('ping 127.0.0.1'); on a Linux host will never return and will run indefinitely.  setTimeout() makes it so it'll timeout.
     * Setting $timeout to false or 0 will mean there is no timeout.
     *
     * @param mixed $timeout
     * @access public
     */
    public function setTimeout($timeout)
    {
        $this->timeout = $this->curTimeout = $timeout;
    }

    /**
     * Set Keep Alive
     *
     * Sends an SSH2_MSG_IGNORE message every x seconds, if x is a positive non-zero number.
     *
     * @param int $interval
     * @access public
     */
    public function setKeepAlive($interval)
    {
        $this->keepAlive = $interval;
    }

    /**
     * Get the output from stdError
     *
     * @access public
     */
    public function getStdError()
    {
        return $this->stdErrorLog;
    }

    /**
     * Execute Command
     *
     * If $callback is set to false then \phpseclib3\Net\SSH2::get_channel_packet(self::CHANNEL_EXEC) will need to be called manually.
     * In all likelihood, this is not a feature you want to be taking advantage of.
     *
     * @param string $command
     * @return string|bool
     * @psalm-return ($callback is callable ? bool : string|bool)
     * @throws \RuntimeException on connection error
     * @access public
     */
    public function exec($command, callable $callback = null)
    {
        $this->curTimeout = $this->timeout;
        $this->is_timeout = false;
        $this->stdErrorLog = '';

        if (!$this->isAuthenticated()) {
            return false;
        }

        if ($this->in_request_pty_exec) {
            throw new \RuntimeException('If you want to run multiple exec()\'s you will need to disable (and re-enable if appropriate) a PTY for each one.');
        }

        // RFC4254 defines the (client) window size as "bytes the other party can send before it must wait for the window to
        // be adjusted".  0x7FFFFFFF is, at 2GB, the max size.  technically, it should probably be decremented, but,
        // honestly, if you're transferring more than 2GB, you probably shouldn't be using phpseclib, anyway.
        // see http://tools.ietf.org/html/rfc4254#section-5.2 for more info
        $this->window_size_server_to_client[self::CHANNEL_EXEC] = $this->window_size;
        // 0x8000 is the maximum max packet size, per http://tools.ietf.org/html/rfc4253#section-6.1, although since PuTTy
        // uses 0x4000, that's what will be used here, as well.
        $packet_size = 0x4000;

        $packet = Strings::packSSH2(
            'CsN3',
            NET_SSH2_MSG_CHANNEL_OPEN,
            'session',
            self::CHANNEL_EXEC,
            $this->window_size_server_to_client[self::CHANNEL_EXEC],
            $packet_size
        );
        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_OPEN;

        $this->get_channel_packet(self::CHANNEL_EXEC);

        if ($this->request_pty === true) {
            $terminal_modes = pack('C', NET_SSH2_TTY_OP_END);
            $packet = Strings::packSSH2(
                'CNsCsN4s',
                NET_SSH2_MSG_CHANNEL_REQUEST,
                $this->server_channels[self::CHANNEL_EXEC],
                'pty-req',
                1,
                $this->term,
                $this->windowColumns,
                $this->windowRows,
                0,
                0,
                $terminal_modes
            );

            $this->send_binary_packet($packet);

            $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST;
            if (!$this->get_channel_packet(self::CHANNEL_EXEC)) {
                $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                throw new \RuntimeException('Unable to request pseudo-terminal');
            }

            $this->in_request_pty_exec = true;
        }

        // sending a pty-req SSH_MSG_CHANNEL_REQUEST message is unnecessary and, in fact, in most cases, slows things
        // down.  the one place where it might be desirable is if you're doing something like \phpseclib3\Net\SSH2::exec('ping localhost &').
        // with a pty-req SSH_MSG_CHANNEL_REQUEST, exec() will return immediately and the ping process will then
        // then immediately terminate.  without such a request exec() will loop indefinitely.  the ping process won't end but
        // neither will your script.

        // although, in theory, the size of SSH_MSG_CHANNEL_REQUEST could exceed the maximum packet size established by
        // SSH_MSG_CHANNEL_OPEN_CONFIRMATION, RFC4254#section-5.1 states that the "maximum packet size" refers to the
        // "maximum size of an individual data packet". ie. SSH_MSG_CHANNEL_DATA.  RFC4254#section-5.2 corroborates.
        $packet = Strings::packSSH2(
            'CNsCs',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[self::CHANNEL_EXEC],
            'exec',
            1,
            $command
        );
        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_REQUEST;

        if (!$this->get_channel_packet(self::CHANNEL_EXEC)) {
            return false;
        }

        $this->channel_status[self::CHANNEL_EXEC] = NET_SSH2_MSG_CHANNEL_DATA;

        if ($callback === false || $this->in_request_pty_exec) {
            return true;
        }

        $output = '';
        while (true) {
            $temp = $this->get_channel_packet(self::CHANNEL_EXEC);
            switch (true) {
                case $temp === true:
                    return is_callable($callback) ? true : $output;
                case $temp === false:
                    return false;
                default:
                    if (is_callable($callback)) {
                        if ($callback($temp) === true) {
                            $this->close_channel(self::CHANNEL_EXEC);
                            return true;
                        }
                    } else {
                        $output .= $temp;
                    }
            }
        }
    }

    /**
     * Creates an interactive shell
     *
     * @see self::read()
     * @see self::write()
     * @return bool
     * @throws \UnexpectedValueException on receipt of unexpected packets
     * @throws \RuntimeException on other errors
     * @access private
     */
    private function initShell()
    {
        if ($this->in_request_pty_exec === true) {
            return true;
        }

        $this->window_size_server_to_client[self::CHANNEL_SHELL] = $this->window_size;
        $packet_size = 0x4000;

        $packet = Strings::packSSH2(
            'CsN3',
            NET_SSH2_MSG_CHANNEL_OPEN,
            'session',
            self::CHANNEL_SHELL,
            $this->window_size_server_to_client[self::CHANNEL_SHELL],
            $packet_size
        );

        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_OPEN;

        $this->get_channel_packet(self::CHANNEL_SHELL);

        $terminal_modes = pack('C', NET_SSH2_TTY_OP_END);
        $packet = Strings::packSSH2(
            'CNsbsN4s',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[self::CHANNEL_SHELL],
            'pty-req',
            true, // want reply
            $this->term,
            $this->windowColumns,
            $this->windowRows,
            0,
            0,
            $terminal_modes
        );

        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_REQUEST;

        if (!$this->get_channel_packet(self::CHANNEL_SHELL)) {
            throw new \RuntimeException('Unable to request pty');
        }

        $packet = Strings::packSSH2(
            'CNsb',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[self::CHANNEL_SHELL],
            'shell',
            true // want reply
        );
        $this->send_binary_packet($packet);

        $response = $this->get_channel_packet(self::CHANNEL_SHELL);
        if ($response === false) {
            throw new \RuntimeException('Unable to request shell');
        }

        $this->channel_status[self::CHANNEL_SHELL] = NET_SSH2_MSG_CHANNEL_DATA;

        $this->bitmap |= self::MASK_SHELL;

        return true;
    }

    /**
     * Return the channel to be used with read() / write()
     *
     * @see self::read()
     * @see self::write()
     * @return int
     * @access public
     */
    private function get_interactive_channel()
    {
        switch (true) {
            case $this->in_subsystem:
                return self::CHANNEL_SUBSYSTEM;
            case $this->in_request_pty_exec:
                return self::CHANNEL_EXEC;
            default:
                return self::CHANNEL_SHELL;
        }
    }

    /**
     * Return an available open channel
     *
     * @return int
     * @access public
     */
    private function get_open_channel()
    {
        $channel = self::CHANNEL_EXEC;
        do {
            if (isset($this->channel_status[$channel]) && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_OPEN) {
                return $channel;
            }
        } while ($channel++ < self::CHANNEL_SUBSYSTEM);

        return false;
    }

    /**
     * Request agent forwarding of remote server
     *
     * @return bool
     * @access public
     */
    public function requestAgentForwarding()
    {
        $request_channel = $this->get_open_channel();
        if ($request_channel === false) {
            return false;
        }

        $packet = Strings::packSSH2(
            'CNsC',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[$request_channel],
            'auth-agent-req@openssh.com',
            1
        );

        $this->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_REQUEST;

        $this->send_binary_packet($packet);

        if (!$this->get_channel_packet($request_channel)) {
            return false;
        }

        $this->channel_status[$request_channel] = NET_SSH2_MSG_CHANNEL_OPEN;

        return true;
    }

    /**
     * Returns the output of an interactive shell
     *
     * Returns when there's a match for $expect, which can take the form of a string literal or,
     * if $mode == self::READ_REGEX, a regular expression.
     *
     * @see self::write()
     * @param string $expect
     * @param int $mode
     * @return string|bool|null
     * @throws \RuntimeException on connection error
     * @access public
     */
    public function read($expect = '', $mode = self::READ_SIMPLE)
    {
        $this->curTimeout = $this->timeout;
        $this->is_timeout = false;

        if (!$this->isAuthenticated()) {
            throw new InsufficientSetupException('Operation disallowed prior to login()');
        }

        if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) {
            throw new \RuntimeException('Unable to initiate an interactive shell session');
        }

        $channel = $this->get_interactive_channel();

        if ($mode == self::READ_NEXT) {
            return $this->get_channel_packet($channel);
        }

        $match = $expect;
        while (true) {
            if ($mode == self::READ_REGEX) {
                preg_match($expect, substr($this->interactiveBuffer, -1024), $matches);
                $match = isset($matches[0]) ? $matches[0] : '';
            }
            $pos = strlen($match) ? strpos($this->interactiveBuffer, $match) : false;
            if ($pos !== false) {
                return Strings::shift($this->interactiveBuffer, $pos + strlen($match));
            }
            $response = $this->get_channel_packet($channel);
            if ($response === true) {
                $this->in_request_pty_exec = false;
                return Strings::shift($this->interactiveBuffer, strlen($this->interactiveBuffer));
            }

            $this->interactiveBuffer .= $response;
        }
    }

    /**
     * Inputs a command into an interactive shell.
     *
     * @see SSH2::read()
     * @param string $cmd
     * @return void
     * @throws \RuntimeException on connection error
     */
    public function write($cmd)
    {
        if (!$this->isAuthenticated()) {
            throw new InsufficientSetupException('Operation disallowed prior to login()');
        }

        if (!($this->bitmap & self::MASK_SHELL) && !$this->initShell()) {
            throw new \RuntimeException('Unable to initiate an interactive shell session');
        }

        $this->send_channel_packet($this->get_interactive_channel(), $cmd);
    }

    /**
     * Start a subsystem.
     *
     * Right now only one subsystem at a time is supported. To support multiple subsystem's stopSubsystem() could accept
     * a string that contained the name of the subsystem, but at that point, only one subsystem of each type could be opened.
     * To support multiple subsystem's of the same name maybe it'd be best if startSubsystem() generated a new channel id and
     * returns that and then that that was passed into stopSubsystem() but that'll be saved for a future date and implemented
     * if there's sufficient demand for such a feature.
     *
     * @see self::stopSubsystem()
     * @param string $subsystem
     * @return bool
     * @access public
     */
    public function startSubsystem($subsystem)
    {
        $this->window_size_server_to_client[self::CHANNEL_SUBSYSTEM] = $this->window_size;

        $packet = Strings::packSSH2(
            'CsN3',
            NET_SSH2_MSG_CHANNEL_OPEN,
            'session',
            self::CHANNEL_SUBSYSTEM,
            $this->window_size,
            0x4000
        );

        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_OPEN;

        $this->get_channel_packet(self::CHANNEL_SUBSYSTEM);

        $packet = Strings::packSSH2(
            'CNsCs',
            NET_SSH2_MSG_CHANNEL_REQUEST,
            $this->server_channels[self::CHANNEL_SUBSYSTEM],
            'subsystem',
            1,
            $subsystem
        );
        $this->send_binary_packet($packet);

        $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_REQUEST;

        if (!$this->get_channel_packet(self::CHANNEL_SUBSYSTEM)) {
            return false;
        }

        $this->channel_status[self::CHANNEL_SUBSYSTEM] = NET_SSH2_MSG_CHANNEL_DATA;

        $this->bitmap |= self::MASK_SHELL;
        $this->in_subsystem = true;

        return true;
    }

    /**
     * Stops a subsystem.
     *
     * @see self::startSubsystem()
     * @return bool
     * @access public
     */
    public function stopSubsystem()
    {
        $this->in_subsystem = false;
        $this->close_channel(self::CHANNEL_SUBSYSTEM);
        return true;
    }

    /**
     * Closes a channel
     *
     * If read() timed out you might want to just close the channel and have it auto-restart on the next read() call
     *
     * @access public
     */
    public function reset()
    {
        $this->close_channel($this->get_interactive_channel());
    }

    /**
     * Is timeout?
     *
     * Did exec() or read() return because they timed out or because they encountered the end?
     *
     * @access public
     */
    public function isTimeout()
    {
        return $this->is_timeout;
    }

    /**
     * Disconnect
     *
     * @access public
     */
    public function disconnect()
    {
        $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
        if (isset($this->realtime_log_file) && is_resource($this->realtime_log_file)) {
            fclose($this->realtime_log_file);
        }
        unset(self::$connections[$this->getResourceId()]);
    }

    /**
     * Destructor.
     *
     * Will be called, automatically, if you're supporting just PHP5.  If you're supporting PHP4, you'll need to call
     * disconnect().
     *
     * @access public
     */
    public function __destruct()
    {
        $this->disconnect();
    }

    /**
     * Is the connection still active?
     *
     * @return bool
     * @access public
     */
    public function isConnected()
    {
        return (bool) ($this->bitmap & self::MASK_CONNECTED);
    }

    /**
     * Have you successfully been logged in?
     *
     * @return bool
     * @access public
     */
    public function isAuthenticated()
    {
        return (bool) ($this->bitmap & self::MASK_LOGIN);
    }

    /**
     * Pings a server connection, or tries to reconnect if the connection has gone down
     *
     * Inspired by http://php.net/manual/en/mysqli.ping.php
     *
     * @return bool
     */
    public function ping()
    {
        if (!$this->isAuthenticated()) {
            if (!empty($this->auth)) {
                return $this->reconnect();
            }
            return false;
        }

        $this->window_size_server_to_client[self::CHANNEL_KEEP_ALIVE] = $this->window_size;
        $packet_size = 0x4000;
        $packet = Strings::packSSH2(
            'CsN3',
            NET_SSH2_MSG_CHANNEL_OPEN,
            'session',
            self::CHANNEL_KEEP_ALIVE,
            $this->window_size_server_to_client[self::CHANNEL_KEEP_ALIVE],
            $packet_size
        );

        try {
            $this->send_binary_packet($packet);

            $this->channel_status[self::CHANNEL_KEEP_ALIVE] = NET_SSH2_MSG_CHANNEL_OPEN;

            $response = $this->get_channel_packet(self::CHANNEL_KEEP_ALIVE);
        } catch (\RuntimeException $e) {
            return $this->reconnect();
        }

        $this->close_channel(self::CHANNEL_KEEP_ALIVE);
        return true;
    }

    /**
     * In situ reconnect method
     *
     * @return boolean
     */
    private function reconnect()
    {
        $this->reset_connection(NET_SSH2_DISCONNECT_CONNECTION_LOST);
        $this->retry_connect = true;
        $this->connect();
        foreach ($this->auth as $auth) {
            $result = $this->login(...$auth);
        }
        return $result;
    }

    /**
     * Resets a connection for re-use
     *
     * @param int $reason
     * @access private
     */
    protected function reset_connection($reason)
    {
        $this->disconnect_helper($reason);
        $this->decrypt = $this->encrypt = false;
        $this->decrypt_block_size = $this->encrypt_block_size = 8;
        $this->hmac_check = $this->hmac_create = false;
        $this->hmac_size = false;
        $this->session_id = false;
        $this->retry_connect = true;
        $this->get_seq_no = $this->send_seq_no = 0;
    }

    /**
     * Gets Binary Packets
     *
     * See '6. Binary Packet Protocol' of rfc4253 for more info.
     *
     * @see self::_send_binary_packet()
     * @param bool $skip_channel_filter
     * @return bool|string
     * @access private
     */
    private function get_binary_packet($skip_channel_filter = false)
    {
        if ($skip_channel_filter) {
            if (!is_resource($this->fsock)) {
                throw new \InvalidArgumentException('fsock is not a resource.');
            }
            $read = [$this->fsock];
            $write = $except = null;

            if (!$this->curTimeout) {
                if ($this->keepAlive <= 0) {
                    @stream_select($read, $write, $except, null);
                } else {
                    if (!@stream_select($read, $write, $except, $this->keepAlive)) {
                        $this->send_binary_packet(pack('CN', NET_SSH2_MSG_IGNORE, 0));
                        return $this->get_binary_packet(true);
                    }
                }
            } else {
                if ($this->curTimeout < 0) {
                    $this->is_timeout = true;
                    return true;
                }

                $start = microtime(true);

                if ($this->keepAlive > 0 && $this->keepAlive < $this->curTimeout) {
                    if (!@stream_select($read, $write, $except, $this->keepAlive)) {
                        $this->send_binary_packet(pack('CN', NET_SSH2_MSG_IGNORE, 0));
                        $elapsed = microtime(true) - $start;
                        $this->curTimeout -= $elapsed;
                        return $this->get_binary_packet(true);
                    }
                    $elapsed = microtime(true) - $start;
                    $this->curTimeout -= $elapsed;
                }

                $sec = (int) floor($this->curTimeout);
                $usec = (int) (1000000 * ($this->curTimeout - $sec));

                // this can return a "stream_select(): unable to select [4]: Interrupted system call" error
                if (!@stream_select($read, $write, $except, $sec, $usec)) {
                    $this->is_timeout = true;
                    return true;
                }
                $elapsed = microtime(true) - $start;
                $this->curTimeout -= $elapsed;
            }
        }

        if (!is_resource($this->fsock) || feof($this->fsock)) {
            $this->bitmap = 0;
            throw new ConnectionClosedException('Connection closed (by server) prematurely ' . $elapsed . 's');
        }

        $start = microtime(true);
        $raw = stream_get_contents($this->fsock, $this->decrypt_block_size);

        if (!strlen($raw)) {
            $this->bitmap = 0;
            throw new ConnectionClosedException('No data received from server');
        }

        if ($this->decrypt) {
            switch ($this->decryptName) {
                case 'aes128-gcm@openssh.com':
                case 'aes256-gcm@openssh.com':
                    $this->decrypt->setNonce(
                        $this->decryptFixedPart .
                        $this->decryptInvocationCounter
                    );
                    Strings::increment_str($this->decryptInvocationCounter);
                    $this->decrypt->setAAD($temp = Strings::shift($raw, 4));
                    extract(unpack('Npacket_length', $temp));
                    /**
                     * @var integer $packet_length
                     */

                    $raw .= $this->read_remaining_bytes($packet_length - $this->decrypt_block_size + 4);
                    $stop = microtime(true);
                    $tag = stream_get_contents($this->fsock, $this->decrypt_block_size);
                    $this->decrypt->setTag($tag);
                    $raw = $this->decrypt->decrypt($raw);
                    $raw = $temp . $raw;
                    $remaining_length = 0;
                    break;
                case 'chacha20-poly1305@openssh.com':
                    // This should be impossible, but we are checking anyway to narrow the type for Psalm.
                    if (!($this->decrypt instanceof ChaCha20)) {
                        throw new \LogicException('$this->decrypt is not a ' . ChaCha20::class);
                    }

                    $nonce = pack('N2', 0, $this->get_seq_no);

                    $this->lengthDecrypt->setNonce($nonce);
                    $temp = $this->lengthDecrypt->decrypt($aad = Strings::shift($raw, 4));
                    extract(unpack('Npacket_length', $temp));
                    /**
                     * @var integer $packet_length
                     */

                    $raw .= $this->read_remaining_bytes($packet_length - $this->decrypt_block_size + 4);
                    $stop = microtime(true);
                    $tag = stream_get_contents($this->fsock, 16);

                    $this->decrypt->setNonce($nonce);
                    $this->decrypt->setCounter(0);
                    // this is the same approach that's implemented in Salsa20::createPoly1305Key()
                    // but we don't want to use the same AEAD construction that RFC8439 describes
                    // for ChaCha20-Poly1305 so we won't rely on it (see Salsa20::poly1305())
                    $this->decrypt->setPoly1305Key(
                        $this->decrypt->encrypt(str_repeat("\0", 32))
                    );
                    $this->decrypt->setAAD($aad);
                    $this->decrypt->setCounter(1);
                    $this->decrypt->setTag($tag);
                    $raw = $this->decrypt->decrypt($raw);
                    $raw = $temp . $raw;
                    $remaining_length = 0;
                    break;
                default:
                    if (!$this->hmac_check instanceof Hash || !$this->hmac_check_etm) {
                        $raw = $this->decrypt->decrypt($raw);
                        break;
                    }
                    extract(unpack('Npacket_length', $temp = Strings::shift($raw, 4)));
                    /**
                     * @var integer $packet_length
                     */
                    $raw .= $this->read_remaining_bytes($packet_length - $this->decrypt_block_size + 4);
                    $stop = microtime(true);
                    $encrypted = $temp . $raw;
                    $raw = $temp . $this->decrypt->decrypt($raw);
                    $remaining_length = 0;
            }
        }

        if (strlen($raw) < 5) {
            $this->bitmap = 0;
            throw new \RuntimeException('Plaintext is too short');
        }
        extract(unpack('Npacket_length/Cpadding_length', Strings::shift($raw, 5)));
        /**
         * @var integer $packet_length
         * @var integer $padding_length
         */

        if (!isset($remaining_length)) {
            $remaining_length = $packet_length + 4 - $this->decrypt_block_size;
        }

        $buffer = $this->read_remaining_bytes($remaining_length);

        if (!isset($stop)) {
            $stop = microtime(true);
        }
        if (strlen($buffer)) {
            $raw .= $this->decrypt ? $this->decrypt->decrypt($buffer) : $buffer;
        }

        $payload = Strings::shift($raw, $packet_length - $padding_length - 1);
        $padding = Strings::shift($raw, $padding_length); // should leave $raw empty

        if ($this->hmac_check instanceof Hash) {
            $hmac = stream_get_contents($this->fsock, $this->hmac_size);
            if ($hmac === false || strlen($hmac) != $this->hmac_size) {
                $this->disconnect_helper(NET_SSH2_DISCONNECT_MAC_ERROR);
                throw new \RuntimeException('Error reading socket');
            }

            $reconstructed = !$this->hmac_check_etm ?
                pack('NCa*', $packet_length, $padding_length, $payload . $padding) :
                $encrypted;
            if (($this->hmac_check->getHash() & "\xFF\xFF\xFF\xFF") == 'umac') {
                $this->hmac_check->setNonce("\0\0\0\0" . pack('N', $this->get_seq_no));
                if ($hmac != $this->hmac_check->hash($reconstructed)) {
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_MAC_ERROR);
                    throw new \RuntimeException('Invalid UMAC');
                }
            } else {
                if ($hmac != $this->hmac_check->hash(pack('Na*', $this->get_seq_no, $reconstructed))) {
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_MAC_ERROR);
                    throw new \RuntimeException('Invalid HMAC');
                }
            }
        }

        switch ($this->decompress) {
            case self::NET_SSH2_COMPRESSION_ZLIB_AT_OPENSSH:
                if (!$this->isAuthenticated()) {
                    break;
                }
                // fall-through
            case self::NET_SSH2_COMPRESSION_ZLIB:
                if ($this->regenerate_decompression_context) {
                    $this->regenerate_decompression_context = false;

                    $cmf = ord($payload[0]);
                    $cm = $cmf & 0x0F;
                    if ($cm != 8) { // deflate
                        user_error("Only CM = 8 ('deflate') is supported ($cm)");
                    }
                    $cinfo = ($cmf & 0xF0) >> 4;
                    if ($cinfo > 7) {
                        user_error("CINFO above 7 is not allowed ($cinfo)");
                    }
                    $windowSize = 1 << ($cinfo + 8);

                    $flg = ord($payload[1]);
                    //$fcheck = $flg && 0x0F;
                    if ((($cmf << 8) | $flg) % 31) {
                        user_error('fcheck failed');
                    }
                    $fdict = boolval($flg & 0x20);
                    $flevel = ($flg & 0xC0) >> 6;

                    $this->decompress_context = inflate_init(ZLIB_ENCODING_RAW, ['window' => $cinfo + 8]);
                    $payload = substr($payload, 2);
                }
                if ($this->decompress_context) {
                    $payload = inflate_add($this->decompress_context, $payload, ZLIB_PARTIAL_FLUSH);
                }
        }

        $this->get_seq_no++;

        if (defined('NET_SSH2_LOGGING')) {
            $current = microtime(true);
            $message_number = isset($this->message_numbers[ord($payload[0])]) ? $this->message_numbers[ord($payload[0])] : 'UNKNOWN (' . ord($payload[0]) . ')';
            $message_number = '<- ' . $message_number .
                              ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)';
            $this->append_log($message_number, $payload);
            $this->last_packet = $current;
        }

        return $this->filter($payload, $skip_channel_filter);
    }

    /**
     * Read Remaining Bytes
     *
     * @see self::get_binary_packet()
     * @param int $remaining_length
     * @return string
     * @access private
     */
    private function read_remaining_bytes($remaining_length)
    {
        if (!$remaining_length) {
            return '';
        }

        $adjustLength = false;
        if ($this->decrypt) {
            switch (true) {
                case $this->decryptName == 'aes128-gcm@openssh.com':
                case $this->decryptName == 'aes256-gcm@openssh.com':
                case $this->decryptName == 'chacha20-poly1305@openssh.com':
                case $this->hmac_check instanceof Hash && $this->hmac_check_etm:
                    $remaining_length += $this->decrypt_block_size - 4;
                    $adjustLength = true;
            }
        }

        // quoting <http://tools.ietf.org/html/rfc4253#section-6.1>,
        // "implementations SHOULD check that the packet length is reasonable"
        // PuTTY uses 0x9000 as the actual max packet size and so to shall we
        // don't do this when GCM mode is used since GCM mode doesn't encrypt the length
        if ($remaining_length < -$this->decrypt_block_size || $remaining_length > 0x9000 || $remaining_length % $this->decrypt_block_size != 0) {
            if (!$this->bad_key_size_fix && self::bad_algorithm_candidate($this->decrypt ? $this->decryptName : '') && !($this->bitmap & SSH2::MASK_LOGIN)) {
                $this->bad_key_size_fix = true;
                $this->reset_connection(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
                return false;
            }
            throw new \RuntimeException('Invalid size');
        }

        if ($adjustLength) {
            $remaining_length -= $this->decrypt_block_size - 4;
        }

        $buffer = '';
        while ($remaining_length > 0) {
            $temp = stream_get_contents($this->fsock, $remaining_length);
            if ($temp === false || feof($this->fsock)) {
                $this->disconnect_helper(NET_SSH2_DISCONNECT_CONNECTION_LOST);
                throw new \RuntimeException('Error reading from socket');
            }
            $buffer .= $temp;
            $remaining_length -= strlen($temp);
        }

        return $buffer;
    }

    /**
     * Filter Binary Packets
     *
     * Because some binary packets need to be ignored...
     *
     * @see self::_get_binary_packet()
     * @param string $payload
     * @param bool $skip_channel_filter
     * @return string|bool
     * @access private
     */
    private function filter($payload, $skip_channel_filter)
    {
        switch (ord($payload[0])) {
            case NET_SSH2_MSG_DISCONNECT:
                Strings::shift($payload, 1);
                list($reason_code, $message) = Strings::unpackSSH2('Ns', $payload);
                $this->errors[] = 'SSH_MSG_DISCONNECT: ' . $this->disconnect_reasons[$reason_code] . "\r\n$message";
                $this->bitmap = 0;
                return false;
            case NET_SSH2_MSG_IGNORE:
                $payload = $this->get_binary_packet($skip_channel_filter);
                break;
            case NET_SSH2_MSG_DEBUG:
                Strings::shift($payload, 2); // second byte is "always_display"
                list($message) = Strings::unpackSSH2('s', $payload);
                $this->errors[] = "SSH_MSG_DEBUG: $message";
                $payload = $this->get_binary_packet($skip_channel_filter);
                break;
            case NET_SSH2_MSG_UNIMPLEMENTED:
                return false;
            case NET_SSH2_MSG_KEXINIT:
                if ($this->session_id !== false) {
                    if (!$this->key_exchange($payload)) {
                        $this->bitmap = 0;
                        return false;
                    }
                    $payload = $this->get_binary_packet($skip_channel_filter);
                }
        }

        // see http://tools.ietf.org/html/rfc4252#section-5.4; only called when the encryption has been activated and when we haven't already logged in
        if (($this->bitmap & self::MASK_CONNECTED) && !$this->isAuthenticated() && !is_bool($payload) && ord($payload[0]) == NET_SSH2_MSG_USERAUTH_BANNER) {
            Strings::shift($payload, 1);
            list($this->banner_message) = Strings::unpackSSH2('s', $payload);
            $payload = $this->get_binary_packet();
        }

        // only called when we've already logged in
        if (($this->bitmap & self::MASK_CONNECTED) && $this->isAuthenticated()) {
            if (is_bool($payload)) {
                return $payload;
            }

            switch (ord($payload[0])) {
                case NET_SSH2_MSG_CHANNEL_REQUEST:
                    if (strlen($payload) == 31) {
                        extract(unpack('cpacket_type/Nchannel/Nlength', $payload));
                        if (substr($payload, 9, $length) == 'keepalive@openssh.com' && isset($this->server_channels[$channel])) {
                            if (ord(substr($payload, 9 + $length))) { // want reply
                                $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_SUCCESS, $this->server_channels[$channel]));
                            }
                            $payload = $this->get_binary_packet($skip_channel_filter);
                        }
                    }
                    break;
                case NET_SSH2_MSG_CHANNEL_DATA:
                case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA:
                case NET_SSH2_MSG_CHANNEL_CLOSE:
                case NET_SSH2_MSG_CHANNEL_EOF:
                    if (!$skip_channel_filter && !empty($this->server_channels)) {
                        $this->binary_packet_buffer = $payload;
                        $this->get_channel_packet(true);
                        $payload = $this->get_binary_packet();
                    }
                    break;
                case NET_SSH2_MSG_GLOBAL_REQUEST: // see http://tools.ietf.org/html/rfc4254#section-4
                    Strings::shift($payload, 1);
                    list($request_name) = Strings::unpackSSH2('s', $payload);
                    $this->errors[] = "SSH_MSG_GLOBAL_REQUEST: $request_name";

                    try {
                        $this->send_binary_packet(pack('C', NET_SSH2_MSG_REQUEST_FAILURE));
                    } catch (\RuntimeException $e) {
                        return $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                    }

                    $payload = $this->get_binary_packet($skip_channel_filter);
                    break;
                case NET_SSH2_MSG_CHANNEL_OPEN: // see http://tools.ietf.org/html/rfc4254#section-5.1
                    Strings::shift($payload, 1);
                    list($data, $server_channel) = Strings::unpackSSH2('sN', $payload);
                    switch ($data) {
                        case 'auth-agent':
                        case 'auth-agent@openssh.com':
                            if (isset($this->agent)) {
                                $new_channel = self::CHANNEL_AGENT_FORWARD;

                                list(
                                    $remote_window_size,
                                    $remote_maximum_packet_size
                                ) = Strings::unpackSSH2('NN', $payload);

                                $this->packet_size_client_to_server[$new_channel] = $remote_window_size;
                                $this->window_size_server_to_client[$new_channel] = $remote_maximum_packet_size;
                                $this->window_size_client_to_server[$new_channel] = $this->window_size;

                                $packet_size = 0x4000;

                                $packet = pack(
                                    'CN4',
                                    NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION,
                                    $server_channel,
                                    $new_channel,
                                    $packet_size,
                                    $packet_size
                                );

                                $this->server_channels[$new_channel] = $server_channel;
                                $this->channel_status[$new_channel] = NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION;
                                $this->send_binary_packet($packet);
                            }
                            break;
                        default:
                            $packet = Strings::packSSH2(
                                'CN2ss',
                                NET_SSH2_MSG_CHANNEL_OPEN_FAILURE,
                                $server_channel,
                                NET_SSH2_OPEN_ADMINISTRATIVELY_PROHIBITED,
                                '', // description
                                '' // language tag
                            );

                            try {
                                $this->send_binary_packet($packet);
                            } catch (\RuntimeException $e) {
                                return $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                            }
                    }

                    $payload = $this->get_binary_packet($skip_channel_filter);
                    break;
                case NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST:
                    Strings::shift($payload, 1);
                    list($channel, $window_size) = Strings::unpackSSH2('NN', $payload);

                    $this->window_size_client_to_server[$channel] += $window_size;

                    $payload = ($this->bitmap & self::MASK_WINDOW_ADJUST) ? true : $this->get_binary_packet($skip_channel_filter);
            }
        }

        return $payload;
    }

    /**
     * Enable Quiet Mode
     *
     * Suppress stderr from output
     *
     * @access public
     */
    public function enableQuietMode()
    {
        $this->quiet_mode = true;
    }

    /**
     * Disable Quiet Mode
     *
     * Show stderr in output
     *
     * @access public
     */
    public function disableQuietMode()
    {
        $this->quiet_mode = false;
    }

    /**
     * Returns whether Quiet Mode is enabled or not
     *
     * @see self::enableQuietMode()
     * @see self::disableQuietMode()
     * @access public
     * @return bool
     */
    public function isQuietModeEnabled()
    {
        return $this->quiet_mode;
    }

    /**
     * Enable request-pty when using exec()
     *
     * @access public
     */
    public function enablePTY()
    {
        $this->request_pty = true;
    }

    /**
     * Disable request-pty when using exec()
     *
     * @access public
     */
    public function disablePTY()
    {
        if ($this->in_request_pty_exec) {
            $this->close_channel(self::CHANNEL_EXEC);
            $this->in_request_pty_exec = false;
        }
        $this->request_pty = false;
    }

    /**
     * Returns whether request-pty is enabled or not
     *
     * @see self::enablePTY()
     * @see self::disablePTY()
     * @access public
     * @return bool
     */
    public function isPTYEnabled()
    {
        return $this->request_pty;
    }

    /**
     * Gets channel data
     *
     * Returns the data as a string. bool(true) is returned if:
     *
     * - the server closes the channel
     * - if the connection times out
     * - if the channel status is CHANNEL_OPEN and the response was CHANNEL_OPEN_CONFIRMATION
     * - if the channel status is CHANNEL_REQUEST and the response was CHANNEL_SUCCESS
     *
     * bool(false) is returned if:
     *
     * - if the channel status is CHANNEL_REQUEST and the response was CHANNEL_FAILURE
     *
     * @param int $client_channel
     * @param bool $skip_extended
     * @return mixed
     * @throws \RuntimeException on connection error
     * @access private
     */
    protected function get_channel_packet($client_channel, $skip_extended = false)
    {
        if (!empty($this->channel_buffers[$client_channel])) {
            switch ($this->channel_status[$client_channel]) {
                case NET_SSH2_MSG_CHANNEL_REQUEST:
                    foreach ($this->channel_buffers[$client_channel] as $i => $packet) {
                        switch (ord($packet[0])) {
                            case NET_SSH2_MSG_CHANNEL_SUCCESS:
                            case NET_SSH2_MSG_CHANNEL_FAILURE:
                                unset($this->channel_buffers[$client_channel][$i]);
                                return substr($packet, 1);
                        }
                    }
                    break;
                default:
                    return substr(array_shift($this->channel_buffers[$client_channel]), 1);
            }
        }

        while (true) {
            if ($this->binary_packet_buffer !== false) {
                $response = $this->binary_packet_buffer;
                $this->binary_packet_buffer = false;
            } else {
                $response = $this->get_binary_packet(true);
                if ($response === true && $this->is_timeout) {
                    if ($client_channel == self::CHANNEL_EXEC && !$this->request_pty) {
                        $this->close_channel($client_channel);
                    }
                    return true;
                }
                if ($response === false) {
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_CONNECTION_LOST);
                    throw new ConnectionClosedException('Connection closed by server');
                }
            }

            if ($client_channel == -1 && $response === true) {
                return true;
            }
            list($type, $channel) = Strings::unpackSSH2('CN', $response);

            // will not be setup yet on incoming channel open request
            if (isset($channel) && isset($this->channel_status[$channel]) && isset($this->window_size_server_to_client[$channel])) {
                $this->window_size_server_to_client[$channel] -= strlen($response);

                // resize the window, if appropriate
                if ($this->window_size_server_to_client[$channel] < 0) {
                // PuTTY does something more analogous to the following:
                //if ($this->window_size_server_to_client[$channel] < 0x3FFFFFFF) {
                    $packet = pack('CNN', NET_SSH2_MSG_CHANNEL_WINDOW_ADJUST, $this->server_channels[$channel], $this->window_resize);
                    $this->send_binary_packet($packet);
                    $this->window_size_server_to_client[$channel] += $this->window_resize;
                }

                switch ($type) {
                    case NET_SSH2_MSG_CHANNEL_EXTENDED_DATA:
                        /*
                        if ($client_channel == self::CHANNEL_EXEC) {
                            $this->send_channel_packet($client_channel, chr(0));
                        }
                        */
                        // currently, there's only one possible value for $data_type_code: NET_SSH2_EXTENDED_DATA_STDERR
                        list($data_type_code, $data) = Strings::unpackSSH2('Ns', $response);
                        $this->stdErrorLog .= $data;
                        if ($skip_extended || $this->quiet_mode) {
                            continue 2;
                        }
                        if ($client_channel == $channel && $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA) {
                            return $data;
                        }
                        $this->channel_buffers[$channel][] = chr($type) . $data;

                        continue 2;
                    case NET_SSH2_MSG_CHANNEL_REQUEST:
                        if ($this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_CLOSE) {
                            continue 2;
                        }
                        list($value) = Strings::unpackSSH2('s', $response);
                        switch ($value) {
                            case 'exit-signal':
                                list(
                                    , // FALSE
                                    $signal_name,
                                    , // core dumped
                                    $error_message
                                ) = Strings::unpackSSH2('bsbs', $response);

                                $this->errors[] = "SSH_MSG_CHANNEL_REQUEST (exit-signal): $signal_name";
                                if (strlen($error_message)) {
                                    $this->errors[count($this->errors) - 1] .= "\r\n$error_message";
                                }

                                $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel]));
                                $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel]));

                                $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_EOF;

                                continue 3;
                            case 'exit-status':
                                list(, $this->exit_status) = Strings::unpackSSH2('CN', $response);

                                // "The client MAY ignore these messages."
                                // -- http://tools.ietf.org/html/rfc4254#section-6.10

                                continue 3;
                            default:
                                // "Some systems may not implement signals, in which case they SHOULD ignore this message."
                                //  -- http://tools.ietf.org/html/rfc4254#section-6.9
                                continue 3;
                        }
                }

                switch ($this->channel_status[$channel]) {
                    case NET_SSH2_MSG_CHANNEL_OPEN:
                        switch ($type) {
                            case NET_SSH2_MSG_CHANNEL_OPEN_CONFIRMATION:
                                list(
                                    $this->server_channels[$channel],
                                    $window_size,
                                    $this->packet_size_client_to_server[$channel]
                                ) = Strings::unpackSSH2('NNN', $response);

                                if ($window_size < 0) {
                                    $window_size &= 0x7FFFFFFF;
                                    $window_size += 0x80000000;
                                }
                                $this->window_size_client_to_server[$channel] = $window_size;
                                $result = $client_channel == $channel ? true : $this->get_channel_packet($client_channel, $skip_extended);
                                $this->on_channel_open();
                                return $result;
                            case NET_SSH2_MSG_CHANNEL_OPEN_FAILURE:
                                $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                                throw new \RuntimeException('Unable to open channel');
                            default:
                                if ($client_channel == $channel) {
                                    $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                                    throw new \RuntimeException('Unexpected response to open request');
                                }
                                return $this->get_channel_packet($client_channel, $skip_extended);
                        }
                        break;
                    case NET_SSH2_MSG_CHANNEL_REQUEST:
                        switch ($type) {
                            case NET_SSH2_MSG_CHANNEL_SUCCESS:
                                return true;
                            case NET_SSH2_MSG_CHANNEL_FAILURE:
                                return false;
                            case NET_SSH2_MSG_CHANNEL_DATA:
                                list($data) = Strings::unpackSSH2('s', $response);
                                $this->channel_buffers[$channel][] = chr($type) . $data;
                                return $this->get_channel_packet($client_channel, $skip_extended);
                            default:
                                $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                                throw new \RuntimeException('Unable to fulfill channel request');
                        }
                    case NET_SSH2_MSG_CHANNEL_CLOSE:
                        return $type == NET_SSH2_MSG_CHANNEL_CLOSE ? true : $this->get_channel_packet($client_channel, $skip_extended);
                }
            }

            // ie. $this->channel_status[$channel] == NET_SSH2_MSG_CHANNEL_DATA

            switch ($type) {
                case NET_SSH2_MSG_CHANNEL_DATA:
                    /*
                    if ($channel == self::CHANNEL_EXEC) {
                        // SCP requires null packets, such as this, be sent.  further, in the case of the ssh.com SSH server
                        // this actually seems to make things twice as fast.  more to the point, the message right after
                        // SSH_MSG_CHANNEL_DATA (usually SSH_MSG_IGNORE) won't block for as long as it would have otherwise.
                        // in OpenSSH it slows things down but only by a couple thousandths of a second.
                        $this->send_channel_packet($channel, chr(0));
                    }
                    */
                    list($data) = Strings::unpackSSH2('s', $response);

                    if ($channel == self::CHANNEL_AGENT_FORWARD) {
                        $agent_response = $this->agent->forwardData($data);
                        if (!is_bool($agent_response)) {
                            $this->send_channel_packet($channel, $agent_response);
                        }
                        break;
                    }

                    if ($client_channel == $channel) {
                        return $data;
                    }
                    $this->channel_buffers[$channel][] = chr($type) . $data;
                    break;
                case NET_SSH2_MSG_CHANNEL_CLOSE:
                    $this->curTimeout = 5;

                    if ($this->bitmap & self::MASK_SHELL) {
                        $this->bitmap &= ~self::MASK_SHELL;
                    }
                    if ($this->channel_status[$channel] != NET_SSH2_MSG_CHANNEL_EOF) {
                        $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$channel]));
                    }

                    $this->channel_status[$channel] = NET_SSH2_MSG_CHANNEL_CLOSE;
                    if ($client_channel == $channel) {
                        return true;
                    }
                    // fall-through
                case NET_SSH2_MSG_CHANNEL_EOF:
                    break;
                default:
                    $this->disconnect_helper(NET_SSH2_DISCONNECT_BY_APPLICATION);
                    throw new \RuntimeException("Error reading channel data ($type)");
            }
        }
    }

    /**
     * Sends Binary Packets
     *
     * See '6. Binary Packet Protocol' of rfc4253 for more info.
     *
     * @param string $data
     * @param string $logged
     * @see self::_get_binary_packet()
     * @return void
     * @access private
     */
    protected function send_binary_packet($data, $logged = null)
    {
        if (!is_resource($this->fsock) || feof($this->fsock)) {
            $this->bitmap = 0;
            throw new ConnectionClosedException('Connection closed prematurely');
        }

        if (!isset($logged)) {
            $logged = $data;
        }

        switch ($this->compress) {
            case self::NET_SSH2_COMPRESSION_ZLIB_AT_OPENSSH:
                if (!$this->isAuthenticated()) {
                    break;
                }
                // fall-through
            case self::NET_SSH2_COMPRESSION_ZLIB:
                if (!$this->regenerate_compression_context) {
                    $header = '';
                } else {
                    $this->regenerate_compression_context = false;
                    $this->compress_context = deflate_init(ZLIB_ENCODING_RAW, ['window' => 15]);
                    $header = "\x78\x9C";
                }
                if ($this->compress_context) {
                    $data = $header . deflate_add($this->compress_context, $data, ZLIB_PARTIAL_FLUSH);
                }
        }

        // 4 (packet length) + 1 (padding length) + 4 (minimal padding amount) == 9
        $packet_length = strlen($data) + 9;
        if ($this->encrypt && $this->encrypt->usesNonce()) {
            $packet_length -= 4;
        }
        // round up to the nearest $this->encrypt_block_size
        $packet_length += (($this->encrypt_block_size - 1) * $packet_length) % $this->encrypt_block_size;
        // subtracting strlen($data) is obvious - subtracting 5 is necessary because of packet_length and padding_length
        $padding_length = $packet_length - strlen($data) - 5;
        switch (true) {
            case $this->encrypt && $this->encrypt->usesNonce():
            case $this->hmac_create instanceof Hash && $this->hmac_create_etm:
                $padding_length += 4;
                $packet_length += 4;
        }

        $padding = Random::string($padding_length);

        // we subtract 4 from packet_length because the packet_length field isn't supposed to include itself
        $packet = pack('NCa*', $packet_length - 4, $padding_length, $data . $padding);

        $hmac = '';
        if ($this->hmac_create instanceof Hash && !$this->hmac_create_etm) {
            if (($this->hmac_create->getHash() & "\xFF\xFF\xFF\xFF") == 'umac') {
                $this->hmac_create->setNonce("\0\0\0\0" . pack('N', $this->send_seq_no));
                $hmac = $this->hmac_create->hash($packet);
            } else {
                $hmac = $this->hmac_create->hash(pack('Na*', $this->send_seq_no, $packet));
            }
        }

        if ($this->encrypt) {
            switch ($this->encryptName) {
                case 'aes128-gcm@openssh.com':
                case 'aes256-gcm@openssh.com':
                    $this->encrypt->setNonce(
                        $this->encryptFixedPart .
                        $this->encryptInvocationCounter
                    );
                    Strings::increment_str($this->encryptInvocationCounter);
                    $this->encrypt->setAAD($temp = ($packet & "\xFF\xFF\xFF\xFF"));
                    $packet = $temp . $this->encrypt->encrypt(substr($packet, 4));
                    break;
                case 'chacha20-poly1305@openssh.com':
                    // This should be impossible, but we are checking anyway to narrow the type for Psalm.
                    if (!($this->encrypt instanceof ChaCha20)) {
                        throw new \LogicException('$this->encrypt is not a ' . ChaCha20::class);
                    }

                    $nonce = pack('N2', 0, $this->send_seq_no);

                    $this->encrypt->setNonce($nonce);
                    $this->lengthEncrypt->setNonce($nonce);

                    $length = $this->lengthEncrypt->encrypt($packet & "\xFF\xFF\xFF\xFF");

                    $this->encrypt->setCounter(0);
                    // this is the same approach that's implemented in Salsa20::createPoly1305Key()
                    // but we don't want to use the same AEAD construction that RFC8439 describes
                    // for ChaCha20-Poly1305 so we won't rely on it (see Salsa20::poly1305())
                    $this->encrypt->setPoly1305Key(
                        $this->encrypt->encrypt(str_repeat("\0", 32))
                    );
                    $this->encrypt->setAAD($length);
                    $this->encrypt->setCounter(1);
                    $packet = $length . $this->encrypt->encrypt(substr($packet, 4));
                    break;
                default:
                    $packet = $this->hmac_create instanceof Hash && $this->hmac_create_etm ?
                        ($packet & "\xFF\xFF\xFF\xFF") . $this->encrypt->encrypt(substr($packet, 4)) :
                        $this->encrypt->encrypt($packet);
            }
        }

        if ($this->hmac_create instanceof Hash && $this->hmac_create_etm) {
            if (($this->hmac_create->getHash() & "\xFF\xFF\xFF\xFF") == 'umac') {
                $this->hmac_create->setNonce("\0\0\0\0" . pack('N', $this->send_seq_no));
                $hmac = $this->hmac_create->hash($packet);
            } else {
                $hmac = $this->hmac_create->hash(pack('Na*', $this->send_seq_no, $packet));
            }
        }

        $this->send_seq_no++;

        $packet .= $this->encrypt && $this->encrypt->usesNonce() ? $this->encrypt->getTag() : $hmac;

        $start = microtime(true);
        $sent = @fputs($this->fsock, $packet);
        $stop = microtime(true);

        if (defined('NET_SSH2_LOGGING')) {
            $current = microtime(true);
            $message_number = isset($this->message_numbers[ord($logged[0])]) ? $this->message_numbers[ord($logged[0])] : 'UNKNOWN (' . ord($logged[0]) . ')';
            $message_number = '-> ' . $message_number .
                              ' (since last: ' . round($current - $this->last_packet, 4) . ', network: ' . round($stop - $start, 4) . 's)';
            $this->append_log($message_number, $logged);
            $this->last_packet = $current;
        }

        if (strlen($packet) != $sent) {
            $this->bitmap = 0;
            throw new \RuntimeException("Only $sent of " . strlen($packet) . " bytes were sent");
        }
    }

    /**
     * Logs data packets
     *
     * Makes sure that only the last 1MB worth of packets will be logged
     *
     * @param string $message_number
     * @param string $message
     * @access private
     */
    private function append_log($message_number, $message)
    {
        // remove the byte identifying the message type from all but the first two messages (ie. the identification strings)
        if (strlen($message_number) > 2) {
            Strings::shift($message);
        }

        switch (NET_SSH2_LOGGING) {
            // useful for benchmarks
            case self::LOG_SIMPLE:
                $this->message_number_log[] = $message_number;
                break;
            // the most useful log for SSH2
            case self::LOG_COMPLEX:
                $this->message_number_log[] = $message_number;
                $this->log_size += strlen($message);
                $this->message_log[] = $message;
                while ($this->log_size > self::LOG_MAX_SIZE) {
                    $this->log_size -= strlen(array_shift($this->message_log));
                    array_shift($this->message_number_log);
                }
                break;
            // dump the output out realtime; packets may be interspersed with non packets,
            // passwords won't be filtered out and select other packets may not be correctly
            // identified
            case self::LOG_REALTIME:
                switch (PHP_SAPI) {
                    case 'cli':
                        $start = $stop = "\r\n";
                        break;
                    default:
                        $start = '<pre>';
                        $stop = '</pre>';
                }
                echo $start . $this->format_log([$message], [$message_number]) . $stop;
                @flush();
                @ob_flush();
                break;
            // basically the same thing as self::LOG_REALTIME with the caveat that NET_SSH2_LOG_REALTIME_FILENAME
            // needs to be defined and that the resultant log file will be capped out at self::LOG_MAX_SIZE.
            // the earliest part of the log file is denoted by the first <<< START >>> and is not going to necessarily
            // at the beginning of the file
            case self::LOG_REALTIME_FILE:
                if (!isset($this->realtime_log_file)) {
                    // PHP doesn't seem to like using constants in fopen()
                    $filename = NET_SSH2_LOG_REALTIME_FILENAME;
                    $fp = fopen($filename, 'w');
                    $this->realtime_log_file = $fp;
                }
                if (!is_resource($this->realtime_log_file)) {
                    break;
                }
                $entry = $this->format_log([$message], [$message_number]);
                if ($this->realtime_log_wrap) {
                    $temp = "<<< START >>>\r\n";
                    $entry .= $temp;
                    fseek($this->realtime_log_file, ftell($this->realtime_log_file) - strlen($temp));
                }
                $this->realtime_log_size += strlen($entry);
                if ($this->realtime_log_size > self::LOG_MAX_SIZE) {
                    fseek($this->realtime_log_file, 0);
                    $this->realtime_log_size = strlen($entry);
                    $this->realtime_log_wrap = true;
                }
                fputs($this->realtime_log_file, $entry);
        }
    }

    /**
     * Sends channel data
     *
     * Spans multiple SSH_MSG_CHANNEL_DATAs if appropriate
     *
     * @param int $client_channel
     * @param string $data
     * @return void
     */
    protected function send_channel_packet($client_channel, $data)
    {
        while (strlen($data)) {
            if (!$this->window_size_client_to_server[$client_channel]) {
                $this->bitmap ^= self::MASK_WINDOW_ADJUST;
                // using an invalid channel will let the buffers be built up for the valid channels
                $this->get_channel_packet(-1);
                $this->bitmap ^= self::MASK_WINDOW_ADJUST;
            }

            /* The maximum amount of data allowed is determined by the maximum
               packet size for the channel, and the current window size, whichever
               is smaller.
                 -- http://tools.ietf.org/html/rfc4254#section-5.2 */
            $max_size = min(
                $this->packet_size_client_to_server[$client_channel],
                $this->window_size_client_to_server[$client_channel]
            );

            $temp = Strings::shift($data, $max_size);
            $packet = Strings::packSSH2(
                'CNs',
                NET_SSH2_MSG_CHANNEL_DATA,
                $this->server_channels[$client_channel],
                $temp
            );
            $this->window_size_client_to_server[$client_channel] -= strlen($temp);
            $this->send_binary_packet($packet);
        }
    }

    /**
     * Closes and flushes a channel
     *
     * \phpseclib3\Net\SSH2 doesn't properly close most channels.  For exec() channels are normally closed by the server
     * and for SFTP channels are presumably closed when the client disconnects.  This functions is intended
     * for SCP more than anything.
     *
     * @param int $client_channel
     * @param bool $want_reply
     * @return void
     * @access private
     */
    private function close_channel($client_channel, $want_reply = false)
    {
        // see http://tools.ietf.org/html/rfc4254#section-5.3

        $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_EOF, $this->server_channels[$client_channel]));

        if (!$want_reply) {
            $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel]));
        }

        $this->channel_status[$client_channel] = NET_SSH2_MSG_CHANNEL_CLOSE;

        $this->curTimeout = 5;

        while (!is_bool($this->get_channel_packet($client_channel))) {
        }

        if ($this->is_timeout) {
            $this->disconnect();
        }

        if ($want_reply) {
            $this->send_binary_packet(pack('CN', NET_SSH2_MSG_CHANNEL_CLOSE, $this->server_channels[$client_channel]));
        }

        if ($this->bitmap & self::MASK_SHELL) {
            $this->bitmap &= ~self::MASK_SHELL;
        }
    }

    /**
     * Disconnect
     *
     * @param int $reason
     * @return false
     * @access protected
     */
    protected function disconnect_helper($reason)
    {
        if ($this->bitmap & self::MASK_CONNECTED) {
            $data = Strings::packSSH2('CNss', NET_SSH2_MSG_DISCONNECT, $reason, '', '');
            try {
                $this->send_binary_packet($data);
            } catch (\Exception $e) {
            }
        }

        $this->bitmap = 0;
        if (is_resource($this->fsock) && get_resource_type($this->fsock) === 'stream') {
            fclose($this->fsock);
        }

        return false;
    }

    /**
     * Define Array
     *
     * Takes any number of arrays whose indices are integers and whose values are strings and defines a bunch of
     * named constants from it, using the value as the name of the constant and the index as the value of the constant.
     * If any of the constants that would be defined already exists, none of the constants will be defined.
     *
     * @param mixed[] ...$args
     * @access protected
     */
    protected function define_array(...$args)
    {
        foreach ($args as $arg) {
            foreach ($arg as $key => $value) {
                if (!defined($value)) {
                    define($value, $key);
                } else {
                    break 2;
                }
            }
        }
    }

    /**
     * Returns a log of the packets that have been sent and received.
     *
     * Returns a string if NET_SSH2_LOGGING == self::LOG_COMPLEX, an array if NET_SSH2_LOGGING == self::LOG_SIMPLE and false if !defined('NET_SSH2_LOGGING')
     *
     * @access public
     * @return array|false|string
     */
    public function getLog()
    {
        if (!defined('NET_SSH2_LOGGING')) {
            return false;
        }

        switch (NET_SSH2_LOGGING) {
            case self::LOG_SIMPLE:
                return $this->message_number_log;
            case self::LOG_COMPLEX:
                $log = $this->format_log($this->message_log, $this->message_number_log);
                return PHP_SAPI == 'cli' ? $log : '<pre>' . $log . '</pre>';
            default:
                return false;
        }
    }

    /**
     * Formats a log for printing
     *
     * @param array $message_log
     * @param array $message_number_log
     * @access private
     * @return string
     */
    protected function format_log($message_log, $message_number_log)
    {
        $output = '';
        for ($i = 0; $i < count($message_log); $i++) {
            $output .= $message_number_log[$i] . "\r\n";
            $current_log = $message_log[$i];
            $j = 0;
            do {
                if (strlen($current_log)) {
                    $output .= str_pad(dechex($j), 7, '0', STR_PAD_LEFT) . '0  ';
                }
                $fragment = Strings::shift($current_log, $this->log_short_width);
                $hex = substr(preg_replace_callback('#.#s', function ($matches) {
                    return $this->log_boundary . str_pad(dechex(ord($matches[0])), 2, '0', STR_PAD_LEFT);
                }, $fragment), strlen($this->log_boundary));
                // replace non ASCII printable characters with dots
                // http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters
                // also replace < with a . since < messes up the output on web browsers
                $raw = preg_replace('#[^\x20-\x7E]|<#', '.', $fragment);
                $output .= str_pad($hex, $this->log_long_width - $this->log_short_width, ' ') . $raw . "\r\n";
                $j++;
            } while (strlen($current_log));
            $output .= "\r\n";
        }

        return $output;
    }

    /**
     * Helper function for agent->on_channel_open()
     *
     * Used when channels are created to inform agent
     * of said channel opening. Must be called after
     * channel open confirmation received
     *
     * @access private
     */
    private function on_channel_open()
    {
        if (isset($this->agent)) {
            $this->agent->registerChannelOpen($this);
        }
    }

    /**
     * Returns the first value of the intersection of two arrays or false if
     * the intersection is empty. The order is defined by the first parameter.
     *
     * @param array $array1
     * @param array $array2
     * @return mixed False if intersection is empty, else intersected value.
     * @access private
     */
    private static function array_intersect_first($array1, $array2)
    {
        foreach ($array1 as $value) {
            if (in_array($value, $array2)) {
                return $value;
            }
        }
        return false;
    }

    /**
     * Returns all errors
     *
     * @return string[]
     * @access public
     */
    public function getErrors()
    {
        return $this->errors;
    }

    /**
     * Returns the last error
     *
     * @return string
     * @access public
     */
    public function getLastError()
    {
        $count = count($this->errors);

        if ($count > 0) {
            return $this->errors[$count - 1];
        }
    }

    /**
     * Return the server identification.
     *
     * @return string|false
     * @access public
     */
    public function getServerIdentification()
    {
        $this->connect();

        return $this->server_identifier;
    }

    /**
     * Returns a list of algorithms the server supports
     *
     * @return array
     * @access public
     */
    public function getServerAlgorithms()
    {
        $this->connect();

        return [
            'kex' => $this->kex_algorithms,
            'hostkey' => $this->server_host_key_algorithms,
            'client_to_server' => [
                'crypt' => $this->encryption_algorithms_client_to_server,
                'mac' => $this->mac_algorithms_client_to_server,
                'comp' => $this->compression_algorithms_client_to_server,
                'lang' => $this->languages_client_to_server
            ],
            'server_to_client' => [
                'crypt' => $this->encryption_algorithms_server_to_client,
                'mac' => $this->mac_algorithms_server_to_client,
                'comp' => $this->compression_algorithms_server_to_client,
                'lang' => $this->languages_server_to_client
            ]
        ];
    }

    /**
     * Returns a list of KEX algorithms that phpseclib supports
     *
     * @return array
     * @access public
     */
    public static function getSupportedKEXAlgorithms()
    {
        $kex_algorithms = [
            // Elliptic Curve Diffie-Hellman Key Agreement (ECDH) using
            // Curve25519. See doc/curve25519-sha256@libssh.org.txt in the
            // libssh repository for more information.
            'curve25519-sha256',
            'curve25519-sha256@libssh.org',

            'ecdh-sha2-nistp256', // RFC 5656
            'ecdh-sha2-nistp384', // RFC 5656
            'ecdh-sha2-nistp521', // RFC 5656

            'diffie-hellman-group-exchange-sha256',// RFC 4419
            'diffie-hellman-group-exchange-sha1',  // RFC 4419

            // Diffie-Hellman Key Agreement (DH) using integer modulo prime
            // groups.
            'diffie-hellman-group14-sha256',
            'diffie-hellman-group14-sha1', // REQUIRED
            'diffie-hellman-group15-sha512',
            'diffie-hellman-group16-sha512',
            'diffie-hellman-group17-sha512',
            'diffie-hellman-group18-sha512',

            'diffie-hellman-group1-sha1', // REQUIRED
        ];

        return $kex_algorithms;
    }

    /**
     * Returns a list of host key algorithms that phpseclib supports
     *
     * @return array
     * @access public
     */
    public static function getSupportedHostKeyAlgorithms()
    {
        return [
            'ssh-ed25519', // https://tools.ietf.org/html/draft-ietf-curdle-ssh-ed25519-02
            'ecdsa-sha2-nistp256', // RFC 5656
            'ecdsa-sha2-nistp384', // RFC 5656
            'ecdsa-sha2-nistp521', // RFC 5656
            'rsa-sha2-256', // RFC 8332
            'rsa-sha2-512', // RFC 8332
            'ssh-rsa', // RECOMMENDED  sign   Raw RSA Key
            'ssh-dss'  // REQUIRED     sign   Raw DSS Key
        ];
    }

    /**
     * Returns a list of symmetric key algorithms that phpseclib supports
     *
     * @return array
     * @access public
     */
    public static function getSupportedEncryptionAlgorithms()
    {
        $algos = [
            // from <https://tools.ietf.org/html/rfc5647>:
            'aes128-gcm@openssh.com',
            'aes256-gcm@openssh.com',

            // from <http://tools.ietf.org/html/rfc4345#section-4>:
            'arcfour256',
            'arcfour128',

            //'arcfour',      // OPTIONAL          the ARCFOUR stream cipher with a 128-bit key

            // CTR modes from <http://tools.ietf.org/html/rfc4344#section-4>:
            'aes128-ctr',     // RECOMMENDED       AES (Rijndael) in SDCTR mode, with 128-bit key
            'aes192-ctr',     // RECOMMENDED       AES with 192-bit key
            'aes256-ctr',     // RECOMMENDED       AES with 256-bit key

            // from <https://git.io/fhxOl>:
            // one of the big benefits of chacha20-poly1305 is speed. the problem is...
            // libsodium doesn't generate the poly1305 keys in the way ssh does and openssl's PHP bindings don't even
            // seem to support poly1305 currently. so even if libsodium or openssl are being used for the chacha20
            // part, pure-PHP has to be used for the poly1305 part and that's gonna cause a big slow down.
            // speed-wise it winds up being faster to use AES (when openssl or mcrypt are available) and some HMAC
            // (which is always gonna be super fast to compute thanks to the hash extension, which
            // "is bundled and compiled into PHP by default")
            'chacha20-poly1305@openssh.com',

            'twofish128-ctr', // OPTIONAL          Twofish in SDCTR mode, with 128-bit key
            'twofish192-ctr', // OPTIONAL          Twofish with 192-bit key
            'twofish256-ctr', // OPTIONAL          Twofish with 256-bit key

            'aes128-cbc',     // RECOMMENDED       AES with a 128-bit key
            'aes192-cbc',     // OPTIONAL          AES with a 192-bit key
            'aes256-cbc',     // OPTIONAL          AES in CBC mode, with a 256-bit key

            'twofish128-cbc', // OPTIONAL          Twofish with a 128-bit key
            'twofish192-cbc', // OPTIONAL          Twofish with a 192-bit key
            'twofish256-cbc',
            'twofish-cbc',    // OPTIONAL          alias for "twofish256-cbc"
                              //                   (this is being retained for historical reasons)

            'blowfish-ctr',   // OPTIONAL          Blowfish in SDCTR mode

            'blowfish-cbc',   // OPTIONAL          Blowfish in CBC mode

            '3des-ctr',       // RECOMMENDED       Three-key 3DES in SDCTR mode

            '3des-cbc',       // REQUIRED          three-key 3DES in CBC mode

             //'none'           // OPTIONAL          no encryption; NOT RECOMMENDED
        ];

        if (self::$crypto_engine) {
            $engines = [self::$crypto_engine];
        } else {
            $engines = [
                'libsodium',
                'OpenSSL (GCM)',
                'OpenSSL',
                'mcrypt',
                'Eval',
                'PHP'
            ];
        }

        $ciphers = [];

        foreach ($engines as $engine) {
            foreach ($algos as $algo) {
                $obj = self::encryption_algorithm_to_crypt_instance($algo);
                if ($obj instanceof Rijndael) {
                    $obj->setKeyLength(preg_replace('#[^\d]#', '', $algo));
                }
                switch ($algo) {
                    case 'chacha20-poly1305@openssh.com':
                    case 'arcfour128':
                    case 'arcfour256':
                        if ($engine != 'Eval') {
                            continue 2;
                        }
                        break;
                    case 'aes128-gcm@openssh.com':
                    case 'aes256-gcm@openssh.com':
                        if ($engine == 'OpenSSL') {
                            continue 2;
                        }
                        $obj->setNonce('dummydummydu');
                }
                if ($obj->isValidEngine($engine)) {
                    $algos = array_diff($algos, [$algo]);
                    $ciphers[] = $algo;
                }
            }
        }

        return $ciphers;
    }

    /**
     * Returns a list of MAC algorithms that phpseclib supports
     *
     * @return array
     * @access public
     */
    public static function getSupportedMACAlgorithms()
    {
        return [
            'hmac-sha2-256-etm@openssh.com',
            'hmac-sha2-512-etm@openssh.com',
            'umac-64-etm@openssh.com',
            'umac-128-etm@openssh.com',
            'hmac-sha1-etm@openssh.com',

            // from <http://www.ietf.org/rfc/rfc6668.txt>:
            'hmac-sha2-256',// RECOMMENDED     HMAC-SHA256 (digest length = key length = 32)
            'hmac-sha2-512',// OPTIONAL        HMAC-SHA512 (digest length = key length = 64)

            // from <https://tools.ietf.org/html/draft-miller-secsh-umac-01>:
            'umac-64@openssh.com',
            'umac-128@openssh.com',

            'hmac-sha1-96', // RECOMMENDED     first 96 bits of HMAC-SHA1 (digest length = 12, key length = 20)
            'hmac-sha1',    // REQUIRED        HMAC-SHA1 (digest length = key length = 20)
            'hmac-md5-96',  // OPTIONAL        first 96 bits of HMAC-MD5 (digest length = 12, key length = 16)
            'hmac-md5',     // OPTIONAL        HMAC-MD5 (digest length = key length = 16)
            //'none'          // OPTIONAL        no MAC; NOT RECOMMENDED
        ];
    }

    /**
     * Returns a list of compression algorithms that phpseclib supports
     *
     * @return array
     * @access public
     */
    public static function getSupportedCompressionAlgorithms()
    {
        $algos = ['none']; // REQUIRED        no compression
        if (function_exists('deflate_init')) {
            $algos[] = 'zlib@openssh.com'; // https://datatracker.ietf.org/doc/html/draft-miller-secsh-compression-delayed
            $algos[] = 'zlib';
        }
        return $algos;
    }

    /**
     * Return list of negotiated algorithms
     *
     * Uses the same format as https://www.php.net/ssh2-methods-negotiated
     *
     * @return array
     * @access public
     */
    public function getAlgorithmsNegotiated()
    {
        $this->connect();

        $compression_map = [
            self::NET_SSH2_COMPRESSION_NONE => 'none',
            self::NET_SSH2_COMPRESSION_ZLIB => 'zlib',
            self::NET_SSH2_COMPRESSION_ZLIB_AT_OPENSSH => 'zlib@openssh.com'
        ];

        return [
            'kex' => $this->kex_algorithm,
            'hostkey' => $this->signature_format,
            'client_to_server' => [
                'crypt' => $this->encryptName,
                'mac' => $this->hmac_create_name,
                'comp' => $compression_map[$this->compress],
            ],
            'server_to_client' => [
                'crypt' => $this->decryptName,
                'mac' => $this->hmac_check_name,
                'comp' => $compression_map[$this->decompress],
            ]
        ];
    }

    /**
     * Allows you to set the terminal
     *
     * @param string $term
     * @access public
     */
    public function setTerminal($term)
    {
        $this->term = $term;
    }

    /**
     * Accepts an associative array with up to four parameters as described at
     * <https://www.php.net/manual/en/function.ssh2-connect.php>
     *
     * @param array $methods
     * @access public
     */
    public function setPreferredAlgorithms(array $methods)
    {
        $preferred = $methods;

        if (isset($preferred['kex'])) {
            $preferred['kex'] = array_intersect(
                $preferred['kex'],
                static::getSupportedKEXAlgorithms()
            );
        }

        if (isset($preferred['hostkey'])) {
            $preferred['hostkey'] = array_intersect(
                $preferred['hostkey'],
                static::getSupportedHostKeyAlgorithms()
            );
        }

        $keys = ['client_to_server', 'server_to_client'];
        foreach ($keys as $key) {
            if (isset($preferred[$key])) {
                $a = &$preferred[$key];
                if (isset($a['crypt'])) {
                    $a['crypt'] = array_intersect(
                        $a['crypt'],
                        static::getSupportedEncryptionAlgorithms()
                    );
                }
                if (isset($a['comp'])) {
                    $a['comp'] = array_intersect(
                        $a['comp'],
                        static::getSupportedCompressionAlgorithms()
                    );
                }
                if (isset($a['mac'])) {
                    $a['mac'] = array_intersect(
                        $a['mac'],
                        static::getSupportedMACAlgorithms()
                    );
                }
            }
        }

        $keys = [
            'kex',
            'hostkey',
            'client_to_server/crypt',
            'client_to_server/comp',
            'client_to_server/mac',
            'server_to_client/crypt',
            'server_to_client/comp',
            'server_to_client/mac',
        ];
        foreach ($keys as $key) {
            $p = $preferred;
            $m = $methods;

            $subkeys = explode('/', $key);
            foreach ($subkeys as $subkey) {
                if (!isset($p[$subkey])) {
                    continue 2;
                }
                $p = $p[$subkey];
                $m = $m[$subkey];
            }

            if (count($p) != count($m)) {
                $diff = array_diff($m, $p);
                $msg = count($diff) == 1 ?
                    ' is not a supported algorithm' :
                    ' are not supported algorithms';
                throw new UnsupportedAlgorithmException(implode(', ', $diff) . $msg);
            }
        }

        $this->preferred = $preferred;
    }

    /**
     * Returns the banner message.
     *
     * Quoting from the RFC, "in some jurisdictions, sending a warning message before
     * authentication may be relevant for getting legal protection."
     *
     * @return string
     * @access public
     */
    public function getBannerMessage()
    {
        return $this->banner_message;
    }

    /**
     * Returns the server public host key.
     *
     * Caching this the first time you connect to a server and checking the result on subsequent connections
     * is recommended.  Returns false if the server signature is not signed correctly with the public host key.
     *
     * @return string|false
     * @throws \RuntimeException on badly formatted keys
     * @throws \phpseclib3\Exception\NoSupportedAlgorithmsException when the key isn't in a supported format
     * @access public
     */
    public function getServerPublicHostKey()
    {
        if (!($this->bitmap & self::MASK_CONSTRUCTOR)) {
            $this->connect();
        }

        $signature = $this->signature;
        $server_public_host_key = base64_encode($this->server_public_host_key);

        if ($this->signature_validated) {
            return $this->bitmap ?
                $this->signature_format . ' ' . $server_public_host_key :
                false;
        }

        $this->signature_validated = true;

        switch ($this->signature_format) {
            case 'ssh-ed25519':
            case 'ecdsa-sha2-nistp256':
            case 'ecdsa-sha2-nistp384':
            case 'ecdsa-sha2-nistp521':
                $key = EC::loadFormat('OpenSSH', $server_public_host_key)
                    ->withSignatureFormat('SSH2');
                switch ($this->signature_format) {
                    case 'ssh-ed25519':
                        $hash = 'sha512';
                        break;
                    case 'ecdsa-sha2-nistp256':
                        $hash = 'sha256';
                        break;
                    case 'ecdsa-sha2-nistp384':
                        $hash = 'sha384';
                        break;
                    case 'ecdsa-sha2-nistp521':
                        $hash = 'sha512';
                }
                $key = $key->withHash($hash);
                break;
            case 'ssh-dss':
                $key = DSA::loadFormat('OpenSSH', $server_public_host_key)
                    ->withSignatureFormat('SSH2')
                    ->withHash('sha1');
                break;
            case 'ssh-rsa':
            case 'rsa-sha2-256':
            case 'rsa-sha2-512':
                // could be ssh-rsa, rsa-sha2-256, rsa-sha2-512
                // we don't check here because we already checked in key_exchange
                // some signatures have the type embedded within the message and some don't
                list(, $signature) = Strings::unpackSSH2('ss', $signature);

                $key = RSA::loadFormat('OpenSSH', $server_public_host_key)
                    ->withPadding(RSA::SIGNATURE_PKCS1);
                switch ($this->signature_format) {
                    case 'rsa-sha2-512':
                        $hash = 'sha512';
                        break;
                    case 'rsa-sha2-256':
                        $hash = 'sha256';
                        break;
                    //case 'ssh-rsa':
                    default:
                        $hash = 'sha1';
                }
                $key = $key->withHash($hash);
                break;
            default:
                $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
                throw new NoSupportedAlgorithmsException('Unsupported signature format');
        }

        if (!$key->verify($this->exchange_hash, $signature)) {
            return $this->disconnect_helper(NET_SSH2_DISCONNECT_HOST_KEY_NOT_VERIFIABLE);
        };

        return $this->signature_format . ' ' . $server_public_host_key;
    }

    /**
     * Returns the exit status of an SSH command or false.
     *
     * @return false|int
     * @access public
     */
    public function getExitStatus()
    {
        if (is_null($this->exit_status)) {
            return false;
        }
        return $this->exit_status;
    }

    /**
     * Returns the number of columns for the terminal window size.
     *
     * @return int
     * @access public
     */
    public function getWindowColumns()
    {
        return $this->windowColumns;
    }

    /**
     * Returns the number of rows for the terminal window size.
     *
     * @return int
     * @access public
     */
    public function getWindowRows()
    {
        return $this->windowRows;
    }

    /**
     * Sets the number of columns for the terminal window size.
     *
     * @param int $value
     * @access public
     */
    public function setWindowColumns($value)
    {
        $this->windowColumns = $value;
    }

    /**
     * Sets the number of rows for the terminal window size.
     *
     * @param int $value
     * @access public
     */
    public function setWindowRows($value)
    {
        $this->windowRows = $value;
    }

    /**
     * Sets the number of columns and rows for the terminal window size.
     *
     * @param int $columns
     * @param int $rows
     * @access public
     */
    public function setWindowSize($columns = 80, $rows = 24)
    {
        $this->windowColumns = $columns;
        $this->windowRows = $rows;
    }

    /**
     * To String Magic Method
     *
     * @return string
     * @access public
     */
    #[\ReturnTypeWillChange]
    public function __toString()
    {
        return $this->getResourceId();
    }

    /**
     * Get Resource ID
     *
     * We use {} because that symbols should not be in URL according to
     * {@link http://tools.ietf.org/html/rfc3986#section-2 RFC}.
     * It will safe us from any conflicts, because otherwise regexp will
     * match all alphanumeric domains.
     *
     * @return string
     */
    public function getResourceId()
    {
        return '{' . spl_object_hash($this) . '}';
    }

    /**
     * Return existing connection
     *
     * @param string $id
     *
     * @return bool|SSH2 will return false if no such connection
     */
    public static function getConnectionByResourceId($id)
    {
        if (isset(self::$connections[$id])) {
            return self::$connections[$id] instanceof \WeakReference ? self::$connections[$id]->get() : self::$connections[$id];
        }
        return false;
    }

    /**
     * Return all excising connections
     *
     * @return array<string, SSH2>
     */
    public static function getConnections()
    {
        if (!class_exists('WeakReference')) {
            /** @var array<string, SSH2> */
            return self::$connections;
        }
        $temp = [];
        foreach (self::$connections as $key => $ref) {
            $temp[$key] = $ref->get();
        }
        return $temp;
    }

    /*
     * Update packet types in log history
     *
     * @param string $old
     * @param string $new
     * @access private
     */
    private function updateLogHistory($old, $new)
    {
        if (defined('NET_SSH2_LOGGING') && NET_SSH2_LOGGING == self::LOG_COMPLEX) {
            $this->message_number_log[count($this->message_number_log) - 1] = str_replace(
                $old,
                $new,
                $this->message_number_log[count($this->message_number_log) - 1]
            );
        }
    }

    /**
     * Return the list of authentication methods that may productively continue authentication.
     *
     * @see https://tools.ietf.org/html/rfc4252#section-5.1
     * @return array|null
     */
    public function getAuthMethodsToContinue()
    {
        return $this->auth_methods_to_continue;
    }

    /**
     * Enables "smart" multi-factor authentication (MFA)
     */
    public function enableSmartMFA()
    {
        $this->smartMFA = true;
    }

    /**
     * Disables "smart" multi-factor authentication (MFA)
     */
    public function disableSmartMFA()
    {
        $this->smartMFA = false;
    }
}
PK     ùˆU]~m€ÆˆV  ˆV  8  vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.phpnu „[µü¤        <?php

/**
 * SFTP Stream Wrapper
 *
 * Creates an sftp:// protocol handler that can be used with, for example, fopen(), dir(), etc.
 *
 * PHP version 5
 *
 * @category  Net
 * @package   SFTP
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2013 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Net\SFTP;

use phpseclib3\Crypt\Common\PrivateKey;
use phpseclib3\Net\SFTP;
use phpseclib3\Net\SSH2;

/**
 * SFTP Stream Wrapper
 *
 * @package SFTP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Stream
{
    /**
     * SFTP instances
     *
     * Rather than re-create the connection we re-use instances if possible
     *
     * @var array
     */
    public static $instances;

    /**
     * SFTP instance
     *
     * @var object
     * @access private
     */
    private $sftp;

    /**
     * Path
     *
     * @var string
     * @access private
     */
    private $path;

    /**
     * Mode
     *
     * @var string
     * @access private
     */
    private $mode;

    /**
     * Position
     *
     * @var int
     * @access private
     */
    private $pos;

    /**
     * Size
     *
     * @var int
     * @access private
     */
    private $size;

    /**
     * Directory entries
     *
     * @var array
     * @access private
     */
    private $entries;

    /**
     * EOF flag
     *
     * @var bool
     * @access private
     */
    private $eof;

    /**
     * Context resource
     *
     * Technically this needs to be publicly accessible so PHP can set it directly
     *
     * @var resource
     * @access public
     */
    public $context;

    /**
     * Notification callback function
     *
     * @var callable
     * @access public
     */
    private $notification;

    /**
     * Registers this class as a URL wrapper.
     *
     * @param string $protocol The wrapper name to be registered.
     * @return bool True on success, false otherwise.
     * @access public
     */
    public static function register($protocol = 'sftp')
    {
        if (in_array($protocol, stream_get_wrappers(), true)) {
            return false;
        }
        return stream_wrapper_register($protocol, get_called_class());
    }

    /**
     * The Constructor
     *
     * @access public
     */
    public function __construct()
    {
        if (defined('NET_SFTP_STREAM_LOGGING')) {
            echo "__construct()\r\n";
        }
    }

    /**
     * Path Parser
     *
     * Extract a path from a URI and actually connect to an SSH server if appropriate
     *
     * If "notification" is set as a context parameter the message code for successful login is
     * NET_SSH2_MSG_USERAUTH_SUCCESS. For a failed login it's NET_SSH2_MSG_USERAUTH_FAILURE.
     *
     * @param string $path
     * @return string
     * @access private
     */
    protected function parse_path($path)
    {
        $orig = $path;
        extract(parse_url($path) + ['port' => 22]);
        if (isset($query)) {
            $path .= '?' . $query;
        } elseif (preg_match('/(\?|\?#)$/', $orig)) {
            $path .= '?';
        }
        if (isset($fragment)) {
            $path .= '#' . $fragment;
        } elseif ($orig[strlen($orig) - 1] == '#') {
            $path .= '#';
        }

        if (!isset($host)) {
            return false;
        }

        if (isset($this->context)) {
            $context = stream_context_get_params($this->context);
            if (isset($context['notification'])) {
                $this->notification = $context['notification'];
            }
        }

        if (preg_match('/^{[a-z0-9]+}$/i', $host)) {
            $host = SSH2::getConnectionByResourceId($host);
            if ($host === false) {
                return false;
            }
            $this->sftp = $host;
        } else {
            if (isset($this->context)) {
                $context = stream_context_get_options($this->context);
            }
            if (isset($context[$scheme]['session'])) {
                $sftp = $context[$scheme]['session'];
            }
            if (isset($context[$scheme]['sftp'])) {
                $sftp = $context[$scheme]['sftp'];
            }
            if (isset($sftp) && $sftp instanceof SFTP) {
                $this->sftp = $sftp;
                return $path;
            }
            if (isset($context[$scheme]['username'])) {
                $user = $context[$scheme]['username'];
            }
            if (isset($context[$scheme]['password'])) {
                $pass = $context[$scheme]['password'];
            }
            if (isset($context[$scheme]['privkey']) && $context[$scheme]['privkey'] instanceof PrivateKey) {
                $pass = $context[$scheme]['privkey'];
            }

            if (!isset($user) || !isset($pass)) {
                return false;
            }

            // casting $pass to a string is necessary in the event that it's a \phpseclib3\Crypt\RSA object
            if (isset(self::$instances[$host][$port][$user][(string) $pass])) {
                $this->sftp = self::$instances[$host][$port][$user][(string) $pass];
            } else {
                $this->sftp = new SFTP($host, $port);
                $this->sftp->disableStatCache();
                if (isset($this->notification) && is_callable($this->notification)) {
                    /* if !is_callable($this->notification) we could do this:

                       user_error('fopen(): failed to call user notifier', E_USER_WARNING);

                       the ftp wrapper gives errors like that when the notifier isn't callable.
                       i've opted not to do that, however, since the ftp wrapper gives the line
                       on which the fopen occurred as the line number - not the line that the
                       user_error is on.
                    */
                    call_user_func($this->notification, STREAM_NOTIFY_CONNECT, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0);
                    call_user_func($this->notification, STREAM_NOTIFY_AUTH_REQUIRED, STREAM_NOTIFY_SEVERITY_INFO, '', 0, 0, 0);
                    if (!$this->sftp->login($user, $pass)) {
                        call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_ERR, 'Login Failure', NET_SSH2_MSG_USERAUTH_FAILURE, 0, 0);
                        return false;
                    }
                    call_user_func($this->notification, STREAM_NOTIFY_AUTH_RESULT, STREAM_NOTIFY_SEVERITY_INFO, 'Login Success', NET_SSH2_MSG_USERAUTH_SUCCESS, 0, 0);
                } else {
                    if (!$this->sftp->login($user, $pass)) {
                        return false;
                    }
                }
                self::$instances[$host][$port][$user][(string) $pass] = $this->sftp;
            }
        }

        return $path;
    }

    /**
     * Opens file or URL
     *
     * @param string $path
     * @param string $mode
     * @param int $options
     * @param string $opened_path
     * @return bool
     * @access public
     */
    private function _stream_open($path, $mode, $options, &$opened_path)
    {
        $path = $this->parse_path($path);

        if ($path === false) {
            return false;
        }
        $this->path = $path;

        $this->size = $this->sftp->filesize($path);
        $this->mode = preg_replace('#[bt]$#', '', $mode);
        $this->eof = false;

        if ($this->size === false) {
            if ($this->mode[0] == 'r') {
                return false;
            } else {
                $this->sftp->touch($path);
                $this->size = 0;
            }
        } else {
            switch ($this->mode[0]) {
                case 'x':
                    return false;
                case 'w':
                    $this->sftp->truncate($path, 0);
                    $this->size = 0;
            }
        }

        $this->pos = $this->mode[0] != 'a' ? 0 : $this->size;

        return true;
    }

    /**
     * Read from stream
     *
     * @param int $count
     * @return mixed
     * @access public
     */
    private function _stream_read($count)
    {
        switch ($this->mode) {
            case 'w':
            case 'a':
            case 'x':
            case 'c':
                return false;
        }

        // commented out because some files - eg. /dev/urandom - will say their size is 0 when in fact it's kinda infinite
        //if ($this->pos >= $this->size) {
        //    $this->eof = true;
        //    return false;
        //}

        $result = $this->sftp->get($this->path, false, $this->pos, $count);
        if (isset($this->notification) && is_callable($this->notification)) {
            if ($result === false) {
                call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0);
                return 0;
            }
            // seems that PHP calls stream_read in 8k chunks
            call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($result), $this->size);
        }

        if (empty($result)) { // ie. false or empty string
            $this->eof = true;
            return false;
        }
        $this->pos += strlen($result);

        return $result;
    }

    /**
     * Write to stream
     *
     * @param string $data
     * @return int|false
     * @access public
     */
    private function _stream_write($data)
    {
        switch ($this->mode) {
            case 'r':
                return false;
        }

        $result = $this->sftp->put($this->path, $data, SFTP::SOURCE_STRING, $this->pos);
        if (isset($this->notification) && is_callable($this->notification)) {
            if (!$result) {
                call_user_func($this->notification, STREAM_NOTIFY_FAILURE, STREAM_NOTIFY_SEVERITY_ERR, $this->sftp->getLastSFTPError(), NET_SFTP_OPEN, 0, 0);
                return 0;
            }
            // seems that PHP splits up strings into 8k blocks before calling stream_write
            call_user_func($this->notification, STREAM_NOTIFY_PROGRESS, STREAM_NOTIFY_SEVERITY_INFO, '', 0, strlen($data), strlen($data));
        }

        if ($result === false) {
            return false;
        }
        $this->pos += strlen($data);
        if ($this->pos > $this->size) {
            $this->size = $this->pos;
        }
        $this->eof = false;
        return strlen($data);
    }

    /**
     * Retrieve the current position of a stream
     *
     * @return int
     * @access public
     */
    private function _stream_tell()
    {
        return $this->pos;
    }

    /**
     * Tests for end-of-file on a file pointer
     *
     * In my testing there are four classes functions that normally effect the pointer:
     * fseek, fputs  / fwrite, fgets / fread and ftruncate.
     *
     * Only fgets / fread, however, results in feof() returning true. do fputs($fp, 'aaa') on a blank file and feof()
     * will return false. do fread($fp, 1) and feof() will then return true. do fseek($fp, 10) on ablank file and feof()
     * will return false. do fread($fp, 1) and feof() will then return true.
     *
     * @return bool
     * @access public
     */
    private function _stream_eof()
    {
        return $this->eof;
    }

    /**
     * Seeks to specific location in a stream
     *
     * @param int $offset
     * @param int $whence
     * @return bool
     * @access public
     */
    private function _stream_seek($offset, $whence)
    {
        switch ($whence) {
            case SEEK_SET:
                if ($offset < 0) {
                    return false;
                }
                break;
            case SEEK_CUR:
                $offset += $this->pos;
                break;
            case SEEK_END:
                $offset += $this->size;
        }

        $this->pos = $offset;
        $this->eof = false;
        return true;
    }

    /**
     * Change stream options
     *
     * @param string $path
     * @param int $option
     * @param mixed $var
     * @return bool
     * @access public
     */
    private function _stream_metadata($path, $option, $var)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }

        // stream_metadata was introduced in PHP 5.4.0 but as of 5.4.11 the constants haven't been defined
        // see http://www.php.net/streamwrapper.stream-metadata and https://bugs.php.net/64246
        //     and https://github.com/php/php-src/blob/master/main/php_streams.h#L592
        switch ($option) {
            case 1: // PHP_STREAM_META_TOUCH
                $time = isset($var[0]) ? $var[0] : null;
                $atime = isset($var[1]) ? $var[1] : null;
                return $this->sftp->touch($path, $time, $atime);
            case 2: // PHP_STREAM_OWNER_NAME
            case 3: // PHP_STREAM_GROUP_NAME
                return false;
            case 4: // PHP_STREAM_META_OWNER
                return $this->sftp->chown($path, $var);
            case 5: // PHP_STREAM_META_GROUP
                return $this->sftp->chgrp($path, $var);
            case 6: // PHP_STREAM_META_ACCESS
                return $this->sftp->chmod($path, $var) !== false;
        }
    }

    /**
     * Retrieve the underlaying resource
     *
     * @param int $cast_as
     * @return resource
     * @access public
     */
    private function _stream_cast($cast_as)
    {
        return $this->sftp->fsock;
    }

    /**
     * Advisory file locking
     *
     * @param int $operation
     * @return bool
     * @access public
     */
    private function _stream_lock($operation)
    {
        return false;
    }

    /**
     * Renames a file or directory
     *
     * Attempts to rename oldname to newname, moving it between directories if necessary.
     * If newname exists, it will be overwritten.  This is a departure from what \phpseclib3\Net\SFTP
     * does.
     *
     * @param string $path_from
     * @param string $path_to
     * @return bool
     * @access public
     */
    private function _rename($path_from, $path_to)
    {
        $path1 = parse_url($path_from);
        $path2 = parse_url($path_to);
        unset($path1['path'], $path2['path']);
        if ($path1 != $path2) {
            return false;
        }

        $path_from = $this->parse_path($path_from);
        $path_to = parse_url($path_to);
        if ($path_from === false) {
            return false;
        }

        $path_to = $path_to['path']; // the $component part of parse_url() was added in PHP 5.1.2
        // "It is an error if there already exists a file with the name specified by newpath."
        //  -- http://tools.ietf.org/html/draft-ietf-secsh-filexfer-02#section-6.5
        if (!$this->sftp->rename($path_from, $path_to)) {
            if ($this->sftp->stat($path_to)) {
                return $this->sftp->delete($path_to, true) && $this->sftp->rename($path_from, $path_to);
            }
            return false;
        }

        return true;
    }

    /**
     * Open directory handle
     *
     * The only $options is "whether or not to enforce safe_mode (0x04)". Since safe mode was deprecated in 5.3 and
     * removed in 5.4 I'm just going to ignore it.
     *
     * Also, nlist() is the best that this function is realistically going to be able to do. When an SFTP client
     * sends a SSH_FXP_READDIR packet you don't generally get info on just one file but on multiple files. Quoting
     * the SFTP specs:
     *
     *    The SSH_FXP_NAME response has the following format:
     *
     *        uint32     id
     *        uint32     count
     *        repeats count times:
     *                string     filename
     *                string     longname
     *                ATTRS      attrs
     *
     * @param string $path
     * @param int $options
     * @return bool
     * @access public
     */
    private function _dir_opendir($path, $options)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }
        $this->pos = 0;
        $this->entries = $this->sftp->nlist($path);
        return $this->entries !== false;
    }

    /**
     * Read entry from directory handle
     *
     * @return mixed
     * @access public
     */
    private function _dir_readdir()
    {
        if (isset($this->entries[$this->pos])) {
            return $this->entries[$this->pos++];
        }
        return false;
    }

    /**
     * Rewind directory handle
     *
     * @return bool
     * @access public
     */
    private function _dir_rewinddir()
    {
        $this->pos = 0;
        return true;
    }

    /**
     * Close directory handle
     *
     * @return bool
     * @access public
     */
    private function _dir_closedir()
    {
        return true;
    }

    /**
     * Create a directory
     *
     * Only valid $options is STREAM_MKDIR_RECURSIVE
     *
     * @param string $path
     * @param int $mode
     * @param int $options
     * @return bool
     * @access public
     */
    private function _mkdir($path, $mode, $options)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }

        return $this->sftp->mkdir($path, $mode, $options & STREAM_MKDIR_RECURSIVE);
    }

    /**
     * Removes a directory
     *
     * Only valid $options is STREAM_MKDIR_RECURSIVE per <http://php.net/streamwrapper.rmdir>, however,
     * <http://php.net/rmdir>  does not have a $recursive parameter as mkdir() does so I don't know how
     * STREAM_MKDIR_RECURSIVE is supposed to be set. Also, when I try it out with rmdir() I get 8 as
     * $options. What does 8 correspond to?
     *
     * @param string $path
     * @param int $options
     * @return bool
     * @access public
     */
    private function _rmdir($path, $options)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }

        return $this->sftp->rmdir($path);
    }

    /**
     * Flushes the output
     *
     * See <http://php.net/fflush>. Always returns true because \phpseclib3\Net\SFTP doesn't cache stuff before writing
     *
     * @return bool
     * @access public
     */
    private function _stream_flush()
    {
        return true;
    }

    /**
     * Retrieve information about a file resource
     *
     * @return mixed
     * @access public
     */
    private function _stream_stat()
    {
        $results = $this->sftp->stat($this->path);
        if ($results === false) {
            return false;
        }
        return $results;
    }

    /**
     * Delete a file
     *
     * @param string $path
     * @return bool
     * @access public
     */
    private function _unlink($path)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }

        return $this->sftp->delete($path, false);
    }

    /**
     * Retrieve information about a file
     *
     * Ignores the STREAM_URL_STAT_QUIET flag because the entirety of \phpseclib3\Net\SFTP\Stream is quiet by default
     * might be worthwhile to reconstruct bits 12-16 (ie. the file type) if mode doesn't have them but we'll
     * cross that bridge when and if it's reached
     *
     * @param string $path
     * @param int $flags
     * @return mixed
     * @access public
     */
    private function _url_stat($path, $flags)
    {
        $path = $this->parse_path($path);
        if ($path === false) {
            return false;
        }

        $results = $flags & STREAM_URL_STAT_LINK ? $this->sftp->lstat($path) : $this->sftp->stat($path);
        if ($results === false) {
            return false;
        }

        return $results;
    }

    /**
     * Truncate stream
     *
     * @param int $new_size
     * @return bool
     * @access public
     */
    private function _stream_truncate($new_size)
    {
        if (!$this->sftp->truncate($this->path, $new_size)) {
            return false;
        }

        $this->eof = false;
        $this->size = $new_size;

        return true;
    }

    /**
     * Change stream options
     *
     * STREAM_OPTION_WRITE_BUFFER isn't supported for the same reason stream_flush isn't.
     * The other two aren't supported because of limitations in \phpseclib3\Net\SFTP.
     *
     * @param int $option
     * @param int $arg1
     * @param int $arg2
     * @return bool
     * @access public
     */
    private function _stream_set_option($option, $arg1, $arg2)
    {
        return false;
    }

    /**
     * Close an resource
     *
     * @access public
     */
    private function _stream_close()
    {
    }

    /**
     * __call Magic Method
     *
     * When you're utilizing an SFTP stream you're not calling the methods in this class directly - PHP is calling them for you.
     * Which kinda begs the question... what methods is PHP calling and what parameters is it passing to them? This function
     * lets you figure that out.
     *
     * If NET_SFTP_STREAM_LOGGING is defined all calls will be output on the screen and then (regardless of whether or not
     * NET_SFTP_STREAM_LOGGING is enabled) the parameters will be passed through to the appropriate method.
     *
     * @param string $name
     * @param array $arguments
     * @return mixed
     * @access public
     */
    public function __call($name, $arguments)
    {
        if (defined('NET_SFTP_STREAM_LOGGING')) {
            echo $name . '(';
            $last = count($arguments) - 1;
            foreach ($arguments as $i => $argument) {
                var_export($argument);
                if ($i != $last) {
                    echo ',';
                }
            }
            echo ")\r\n";
        }
        $name = '_' . $name;
        if (!method_exists($this, $name)) {
            return false;
        }
        return $this->$name(...$arguments);
    }
}
PK     ùˆU] k¸O¹  O¹  3  vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.phpnu „[µü¤        <?php

/**
 * Wrapper around hash() and hash_hmac() functions supporting truncated hashes
 * such as sha256-96.  Any hash algorithm returned by hash_algos() (and
 * truncated versions thereof) are supported.
 *
 * If {@link self::setKey() setKey()} is called, {@link self::hash() hash()} will
 * return the HMAC as opposed to the hash.
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $hash = new \phpseclib3\Crypt\Hash('sha512');
 *
 *    $hash->setKey('abcdefg');
 *
 *    echo base64_encode($hash->hash('abcdefg'));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Hash
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @author    Andreas Fischer <bantu@phpbb.com>
 * @copyright 2015 Andreas Fischer
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\InsufficientSetupException;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\PrimeField;

/**
 * @package Hash
 * @author  Jim Wigginton <terrafrost@php.net>
 * @author  Andreas Fischer <bantu@phpbb.com>
 * @access  public
 */
class Hash
{
    /**
     * Padding Types
     *
     * @access private
     */
    const PADDING_KECCAK = 1;

    /**
     * Padding Types
     *
     * @access private
     */
    const PADDING_SHA3 = 2;

    /**
     * Padding Types
     *
     * @access private
     */
    const PADDING_SHAKE = 3;

    /**
     * Padding Type
     *
     * Only used by SHA3
     *
     * @var int
     * @access private
     */
    private $paddingType = 0;

    /**
     * Hash Parameter
     *
     * @see self::setHash()
     * @var int
     * @access private
     */
    private $hashParam;

    /**
     * Byte-length of hash output (Internal HMAC)
     *
     * @see self::setHash()
     * @var int
     * @access private
     */
    private $length;

    /**
     * Hash Algorithm
     *
     * @see self::setHash()
     * @var string
     * @access private
     */
    private $algo;

    /**
     * Key
     *
     * @see self::setKey()
     * @var string
     * @access private
     */
    private $key = false;

    /**
     * Nonce
     *
     * @see self::setNonce()
     * @var string
     * @access private
     */
    private $nonce = false;

    /**
     * Hash Parameters
     *
     * @var array
     * @access private
     */
    private $parameters = [];

    /**
     * Computed Key
     *
     * @see self::_computeKey()
     * @var string
     * @access private
     */
    private $computedKey = false;

    /**
     * Outer XOR (Internal HMAC)
     *
     * Used only for sha512/*
     *
     * @see self::hash()
     * @var string
     * @access private
     */
    private $opad;

    /**
     * Inner XOR (Internal HMAC)
     *
     * Used only for sha512/*
     *
     * @see self::hash()
     * @var string
     * @access private
     */
    private $ipad;

    /**
     * Recompute AES Key
     *
     * Used only for umac
     *
     * @see self::hash()
     * @var boolean
     * @access private
     */
    private $recomputeAESKey;

    /**
     * umac cipher object
     *
     * @see self::hash()
     * @var \phpseclib3\Crypt\AES
     * @access private
     */
    private $c;

    /**
     * umac pad
     *
     * @see self::hash()
     * @var string
     * @access private
     */
    private $pad;

    /**#@+
     * UMAC variables
     *
     * @var PrimeField
     */
    private static $factory36;
    private static $factory64;
    private static $factory128;
    private static $offset64;
    private static $offset128;
    private static $marker64;
    private static $marker128;
    private static $maxwordrange64;
    private static $maxwordrange128;
    /**#@-*/

    /**
     * Default Constructor.
     *
     * @param string $hash
     * @access public
     */
    public function __construct($hash = 'sha256')
    {
        $this->setHash($hash);
    }

    /**
     * Sets the key for HMACs
     *
     * Keys can be of any length.
     *
     * @access public
     * @param string $key
     */
    public function setKey($key = false)
    {
        $this->key = $key;
        $this->computeKey();
        $this->recomputeAESKey = true;
    }

    /**
     * Sets the nonce for UMACs
     *
     * Keys can be of any length.
     *
     * @access public
     * @param string $nonce
     */
    public function setNonce($nonce = false)
    {
        switch (true) {
            case !is_string($nonce):
            case strlen($nonce) > 0 && strlen($nonce) <= 16:
                $this->recomputeAESKey = true;
                $this->nonce = $nonce;
                return;
        }

        throw new \LengthException('The nonce length must be between 1 and 16 bytes, inclusive');
    }

    /**
     * Pre-compute the key used by the HMAC
     *
     * Quoting http://tools.ietf.org/html/rfc2104#section-2, "Applications that use keys longer than B bytes
     * will first hash the key using H and then use the resultant L byte string as the actual key to HMAC."
     *
     * As documented in https://www.reddit.com/r/PHP/comments/9nct2l/symfonypolyfill_hash_pbkdf2_correct_fix_for/
     * when doing an HMAC multiple times it's faster to compute the hash once instead of computing it during
     * every call
     *
     * @access private
     */
    private function computeKey()
    {
        if ($this->key === false) {
            $this->computedKey = false;
            return;
        }

        if (strlen($this->key) <= $this->getBlockLengthInBytes()) {
            $this->computedKey = $this->key;
            return;
        }

        $this->computedKey = is_array($this->algo) ?
            call_user_func($this->algo, $this->key) :
            hash($this->algo, $this->key, true);
    }

    /**
     * Gets the hash function.
     *
     * As set by the constructor or by the setHash() method.
     *
     * @access public
     * @return string
     */
    public function getHash()
    {
        return $this->hashParam;
    }

    /**
     * Sets the hash function.
     *
     * @access public
     * @param string $hash
     */
    public function setHash($hash)
    {
        $this->hashParam = $hash = strtolower($hash);
        switch ($hash) {
            case 'umac-32':
            case 'umac-64':
            case 'umac-96':
            case 'umac-128':
                $this->blockSize = 128;
                $this->length = abs(substr($hash, -3)) >> 3;
                $this->algo = 'umac';
                return;
            case 'md2-96':
            case 'md5-96':
            case 'sha1-96':
            case 'sha224-96':
            case 'sha256-96':
            case 'sha384-96':
            case 'sha512-96':
            case 'sha512/224-96':
            case 'sha512/256-96':
                $hash = substr($hash, 0, -3);
                $this->length = 12; // 96 / 8 = 12
                break;
            case 'md2':
            case 'md5':
                $this->length = 16;
                break;
            case 'sha1':
                $this->length = 20;
                break;
            case 'sha224':
            case 'sha512/224':
            case 'sha3-224':
                $this->length = 28;
                break;
            case 'keccak256':
                $this->paddingType = self::PADDING_KECCAK;
                // fall-through
            case 'sha256':
            case 'sha512/256':
            case 'sha3-256':
                $this->length = 32;
                break;
            case 'sha384':
            case 'sha3-384':
                $this->length = 48;
                break;
            case 'sha512':
            case 'sha3-512':
                $this->length = 64;
                break;
            default:
                if (preg_match('#^(shake(?:128|256))-(\d+)$#', $hash, $matches)) {
                    $this->paddingType = self::PADDING_SHAKE;
                    $hash = $matches[1];
                    $this->length = $matches[2] >> 3;
                } else {
                    throw new UnsupportedAlgorithmException(
                        "$hash is not a supported algorithm"
                    );
                }
        }

        switch ($hash) {
            case 'md2':
            case 'md2-96':
                $this->blockSize = 128;
                break;
            case 'md5-96':
            case 'sha1-96':
            case 'sha224-96':
            case 'sha256-96':
            case 'md5':
            case 'sha1':
            case 'sha224':
            case 'sha256':
                $this->blockSize = 512;
                break;
            case 'sha3-224':
                $this->blockSize = 1152; // 1600 - 2*224
                break;
            case 'sha3-256':
            case 'shake256':
            case 'keccak256':
                $this->blockSize = 1088; // 1600 - 2*256
                break;
            case 'sha3-384':
                $this->blockSize = 832; // 1600 - 2*384
                break;
            case 'sha3-512':
                $this->blockSize = 576; // 1600 - 2*512
                break;
            case 'shake128':
                $this->blockSize = 1344; // 1600 - 2*128
                break;
            default:
                $this->blockSize = 1024;
        }

        if (in_array(substr($hash, 0, 5), ['sha3-', 'shake', 'kecca'])) {
            // PHP 7.1.0 introduced support for "SHA3 fixed mode algorithms":
            // http://php.net/ChangeLog-7.php#7.1.0
            if (version_compare(PHP_VERSION, '7.1.0') < 0 || substr($hash, 0, 5) != 'sha3-') {
                //preg_match('#(\d+)$#', $hash, $matches);
                //$this->parameters['capacity'] = 2 * $matches[1]; // 1600 - $this->blockSize
                //$this->parameters['rate'] = 1600 - $this->parameters['capacity']; // == $this->blockSize
                if (!$this->paddingType) {
                    $this->paddingType = self::PADDING_SHA3;
                }
                $this->parameters = [
                    'capacity' => 1600 - $this->blockSize,
                    'rate' => $this->blockSize,
                    'length' => $this->length,
                    'padding' => $this->paddingType
                ];
                $hash = ['phpseclib3\Crypt\Hash', PHP_INT_SIZE == 8 ? 'sha3_64' : 'sha3_32'];
            }
        }

        if ($hash == 'sha512/224' || $hash == 'sha512/256') {
            // PHP 7.1.0 introduced sha512/224 and sha512/256 support:
            // http://php.net/ChangeLog-7.php#7.1.0
            if (version_compare(PHP_VERSION, '7.1.0') < 0) {
                // from http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf#page=24
                $initial = $hash == 'sha512/256' ?
                    [
                        '22312194FC2BF72C', '9F555FA3C84C64C2', '2393B86B6F53B151', '963877195940EABD',
                        '96283EE2A88EFFE3', 'BE5E1E2553863992', '2B0199FC2C85B8AA', '0EB72DDC81C52CA2'
                    ] :
                    [
                        '8C3D37C819544DA2', '73E1996689DCD4D6', '1DFAB7AE32FF9C82', '679DD514582F9FCF',
                        '0F6D2B697BD44DA8', '77E36F7304C48942', '3F9D85A86A1D36C8', '1112E6AD91D692A1'
                    ];
                for ($i = 0; $i < 8; $i++) {
                    $initial[$i] = new BigInteger($initial[$i], 16);
                    $initial[$i]->setPrecision(64);
                }

                $this->parameters = compact('initial');

                $hash = ['phpseclib3\Crypt\Hash', 'sha512'];
            }
        }

        if (is_array($hash)) {
            $b = $this->blockSize >> 3;
            $this->ipad = str_repeat(chr(0x36), $b);
            $this->opad = str_repeat(chr(0x5C), $b);
        }

        $this->algo = $hash;

        $this->computeKey();
    }

    /**
     * KDF: Key-Derivation Function
     *
     * The key-derivation function generates pseudorandom bits used to key the hash functions.
     *
     * @param int $index a non-negative integer less than 2^64
     * @param int $numbytes a non-negative integer less than 2^64
     * @return string string of length numbytes bytes
     */
    private function kdf($index, $numbytes)
    {
        $this->c->setIV(pack('N4', 0, $index, 0, 1));

        return $this->c->encrypt(str_repeat("\0", $numbytes));
    }

    /**
     * PDF Algorithm
     *
     * @return string string of length taglen bytes.
     */
    private function pdf()
    {
        $k = $this->key;
        $nonce = $this->nonce;
        $taglen = $this->length;

        //
        // Extract and zero low bit(s) of Nonce if needed
        //
        if ($taglen <= 8) {
            $last = strlen($nonce) - 1;
            $mask = $taglen == 4 ? "\3" : "\1";
            $index = $nonce[$last] & $mask;
            $nonce[$last] = $nonce[$last] ^ $index;
        }

        //
        // Make Nonce BLOCKLEN bytes by appending zeroes if needed
        //
        $nonce = str_pad($nonce, 16, "\0");

        //
        // Generate subkey, encipher and extract indexed substring
        //
        $kp = $this->kdf(0, 16);
        $c = new AES('ctr');
        $c->disablePadding();
        $c->setKey($kp);
        $c->setIV($nonce);
        $t = $c->encrypt("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0");

        // we could use ord() but per https://paragonie.com/blog/2016/06/constant-time-encoding-boring-cryptography-rfc-4648-and-you
        // unpack() doesn't leak timing info
        return $taglen <= 8 ?
            substr($t, unpack('C', $index)[1] * $taglen, $taglen) :
            substr($t, 0, $taglen);
    }

    /**
     * UHASH Algorithm
     *
     * @param string $m string of length less than 2^67 bits.
     * @param int $taglen the integer 4, 8, 12 or 16.
     * @return string string of length taglen bytes.
     */
    private function uhash($m, $taglen)
    {
        //
        // One internal iteration per 4 bytes of output
        //
        $iters = $taglen >> 2;

        //
        // Define total key needed for all iterations using KDF.
        // L1Key reuses most key material between iterations.
        //
        //$L1Key  = $this->kdf(1, 1024 + ($iters - 1) * 16);
        $L1Key  = $this->kdf(1, (1024 + ($iters - 1)) * 16);
        $L2Key  = $this->kdf(2, $iters * 24);
        $L3Key1 = $this->kdf(3, $iters * 64);
        $L3Key2 = $this->kdf(4, $iters * 4);

        //
        // For each iteration, extract key and do three-layer hash.
        // If bytelength(M) <= 1024, then skip L2-HASH.
        //
        $y = '';
        for ($i = 0; $i < $iters; $i++) {
            $L1Key_i  = substr($L1Key, $i * 16, 1024);
            $L2Key_i  = substr($L2Key, $i * 24, 24);
            $L3Key1_i = substr($L3Key1, $i * 64, 64);
            $L3Key2_i = substr($L3Key2, $i * 4, 4);

            $a = self::L1Hash($L1Key_i, $m);
            $b = strlen($m) <= 1024 ? "\0\0\0\0\0\0\0\0$a" : self::L2Hash($L2Key_i, $a);
            $c = self::L3Hash($L3Key1_i, $L3Key2_i, $b);
            $y .= $c;
        }

        return $y;
    }

    /**
     * L1-HASH Algorithm
     *
     * The first-layer hash breaks the message into 1024-byte chunks and
     * hashes each with a function called NH.  Concatenating the results
     * forms a string, which is up to 128 times shorter than the original.
     *
     * @param string $k string of length 1024 bytes.
     * @param string $m string of length less than 2^67 bits.
     * @return string string of length (8 * ceil(bitlength(M)/8192)) bytes.
     */
    private static function L1Hash($k, $m)
    {
        //
        // Break M into 1024 byte chunks (final chunk may be shorter)
        //
        $m = str_split($m, 1024);

        //
        // For each chunk, except the last: endian-adjust, NH hash
        // and add bit-length.  Use results to build Y.
        //
        $length = new BigInteger(1024 * 8);
        $y = '';
        for ($i = 0; $i < count($m) - 1; $i++) {
            $m[$i] = pack('N*', ...unpack('V*', $m[$i])); // ENDIAN-SWAP
            $y .= static::nh($k, $m[$i], $length);
        }

        //
        // For the last chunk: pad to 32-byte boundary, endian-adjust,
        // NH hash and add bit-length.  Concatenate the result to Y.
        //
        $length = strlen($m[$i]);
        $pad = 32 - ($length % 32);
        $pad = max(32, $length + $pad % 32);
        $m[$i] = str_pad($m[$i], $pad, "\0"); // zeropad
        $m[$i] = pack('N*', ...unpack('V*', $m[$i])); // ENDIAN-SWAP

        $y .= static::nh($k, $m[$i], new BigInteger($length * 8));

        return $y;
    }

    /**
     * NH Algorithm
     *
     * @param string $k string of length 1024 bytes.
     * @param string $m string with length divisible by 32 bytes.
     * @return string string of length 8 bytes.
     */
    private static function nh($k, $m, $length)
    {
        $toUInt32 = function ($x) {
            $x = new BigInteger($x, 256);
            $x->setPrecision(32);
            return $x;
        };

        //
        // Break M and K into 4-byte chunks
        //
        //$t = strlen($m) >> 2;
        $m = str_split($m, 4);
        $t = count($m);
        $k = str_split($k, 4);
        $k = array_pad(array_slice($k, 0, $t), $t, 0);

        $m = array_map($toUInt32, $m);
        $k = array_map($toUInt32, $k);

        //
        // Perform NH hash on the chunks, pairing words for multiplication
        // which are 4 apart to accommodate vector-parallelism.
        //
        $y = new BigInteger();
        $y->setPrecision(64);
        $i = 0;
        while ($i < $t) {
            $temp = $m[$i]->add($k[$i]);
            $temp->setPrecision(64);
            $temp = $temp->multiply($m[$i + 4]->add($k[$i + 4]));
            $y = $y->add($temp);

            $temp = $m[$i + 1]->add($k[$i + 1]);
            $temp->setPrecision(64);
            $temp = $temp->multiply($m[$i + 5]->add($k[$i + 5]));
            $y = $y->add($temp);

            $temp = $m[$i + 2]->add($k[$i + 2]);
            $temp->setPrecision(64);
            $temp = $temp->multiply($m[$i + 6]->add($k[$i + 6]));
            $y = $y->add($temp);

            $temp = $m[$i + 3]->add($k[$i + 3]);
            $temp->setPrecision(64);
            $temp = $temp->multiply($m[$i + 7]->add($k[$i + 7]));
            $y = $y->add($temp);

            $i += 8;
        }

        return $y->add($length)->toBytes();
    }

    /**
     * L2-HASH: Second-Layer Hash
     *
     * The second-layer rehashes the L1-HASH output using a polynomial hash
     * called POLY.  If the L1-HASH output is long, then POLY is called once
     * on a prefix of the L1-HASH output and called using different settings
     * on the remainder.  (This two-step hashing of the L1-HASH output is
     * needed only if the message length is greater than 16 megabytes.)
     * Careful implementation of POLY is necessary to avoid a possible
     * timing attack (see Section 6.6 for more information).
     *
     * @param string $k string of length 24 bytes.
     * @param string $m string of length less than 2^64 bytes.
     * @return string string of length 16 bytes.
     */
    private static function L2Hash($k, $m)
    {
        //
        //  Extract keys and restrict to special key-sets
        //
        $k64 = $k & "\x01\xFF\xFF\xFF\x01\xFF\xFF\xFF";
        $k64 = new BigInteger($k64, 256);
        $k128 = substr($k, 8) & "\x01\xFF\xFF\xFF\x01\xFF\xFF\xFF\x01\xFF\xFF\xFF\x01\xFF\xFF\xFF";
        $k128 = new BigInteger($k128, 256);

        //
        // If M is no more than 2^17 bytes, hash under 64-bit prime,
        // otherwise, hash first 2^17 bytes under 64-bit prime and
        // remainder under 128-bit prime.
        //
        if (strlen($m) <= 0x20000) { // 2^14 64-bit words
            $y = self::poly(64, self::$maxwordrange64, $k64, $m);
        } else {
            $m_1 = substr($m, 0, 0x20000); // 1 << 17
            $m_2 = substr($m, 0x20000) . "\x80";
            $length = strlen($m_2);
            $pad = 16 - ($length % 16);
            $pad %= 16;
            $m_2 = str_pad($m_2, $length + $pad, "\0"); // zeropad
            $y = self::poly(64, self::$maxwordrange64, $k64, $m_1);
            $y = str_pad($y, 16, "\0", STR_PAD_LEFT);
            $y = self::poly(128, self::$maxwordrange128, $k128, $y . $m_2);
        }

        return str_pad($y, 16, "\0", STR_PAD_LEFT);
    }

    /**
     * POLY Algorithm
     *
     * @param int $wordbits the integer 64 or 128.
     * @param BigInteger $maxwordrange positive integer less than 2^wordbits.
     * @param BigInteger $k integer in the range 0 ... prime(wordbits) - 1.
     * @param string $m string with length divisible by (wordbits / 8) bytes.
     * @return integer in the range 0 ... prime(wordbits) - 1.
     */
    private static function poly($wordbits, $maxwordrange, $k, $m)
    {
        //
        // Define constants used for fixing out-of-range words
        //
        $wordbytes = $wordbits >> 3;
        if ($wordbits == 128) {
            $factory = self::$factory128;
            $offset = self::$offset128;
            $marker = self::$marker128;
        } else {
            $factory = self::$factory64;
            $offset = self::$offset64;
            $marker = self::$marker64;
        }

        $k = $factory->newInteger($k);

        //
        // Break M into chunks of length wordbytes bytes
        //
        $m_i = str_split($m, $wordbytes);

        //
        // Each input word m is compared with maxwordrange.  If not smaller
        // then 'marker' and (m - offset), both in range, are hashed.
        //
        $y = $factory->newInteger(new BigInteger(1));
        foreach ($m_i as $m) {
            $m = $factory->newInteger(new BigInteger($m, 256));
            if ($m->compare($maxwordrange) >= 0) {
                $y = $k->multiply($y)->add($marker);
                $y = $k->multiply($y)->add($m->subtract($offset));
            } else {
                $y = $k->multiply($y)->add($m);
            }
        }

        return $y->toBytes();
    }

    /**
     * L3-HASH: Third-Layer Hash
     *
     * The output from L2-HASH is 16 bytes long.  This final hash function
     * hashes the 16-byte string to a fixed length of 4 bytes.
     *
     * @param string $k1 string of length 64 bytes.
     * @param string $k2 string of length 4 bytes.
     * @param string $m string of length 16 bytes.
     * @return string string of length 4 bytes.
     */
    private static function L3Hash($k1, $k2, $m)
    {
        $factory = self::$factory36;

        $y = $factory->newInteger(new BigInteger());
        for ($i = 0; $i < 8; $i++) {
            $m_i = $factory->newInteger(new BigInteger(substr($m, 2 * $i, 2), 256));
            $k_i = $factory->newInteger(new BigInteger(substr($k1, 8 * $i, 8), 256));
            $y = $y->add($m_i->multiply($k_i));
        }
        $y = str_pad(substr($y->toBytes(), -4), 4, "\0", STR_PAD_LEFT);
        $y = $y ^ $k2;

        return $y;
    }

    /**
     * Compute the Hash / HMAC / UMAC.
     *
     * @access public
     * @param string $text
     * @return string
     */
    public function hash($text)
    {
        $algo = $this->algo;
        if ($algo == 'umac') {
            if ($this->recomputeAESKey) {
                if (!is_string($this->nonce)) {
                    throw new InsufficientSetupException('No nonce has been set');
                }
                if (!is_string($this->key)) {
                    throw new InsufficientSetupException('No key has been set');
                }
                if (strlen($this->key) != 16) {
                    throw new \LengthException('Key must be 16 bytes long');
                }

                if (!isset(self::$maxwordrange64)) {
                    $one = new BigInteger(1);

                    $prime36 = new BigInteger("\x00\x00\x00\x0F\xFF\xFF\xFF\xFB", 256);
                    self::$factory36 = new PrimeField($prime36);

                    $prime64 = new BigInteger("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xC5", 256);
                    self::$factory64 = new PrimeField($prime64);

                    $prime128 = new BigInteger("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x61", 256);
                    self::$factory128 = new PrimeField($prime128);

                    self::$offset64 = new BigInteger("\1\0\0\0\0\0\0\0\0", 256);
                    self::$offset64 = self::$factory64->newInteger(self::$offset64->subtract($prime64));
                    self::$offset128 = new BigInteger("\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 256);
                    self::$offset128 = self::$factory128->newInteger(self::$offset128->subtract($prime128));

                    self::$marker64 = self::$factory64->newInteger($prime64->subtract($one));
                    self::$marker128 = self::$factory128->newInteger($prime128->subtract($one));

                    $maxwordrange64 = $one->bitwise_leftShift(64)->subtract($one->bitwise_leftShift(32));
                    self::$maxwordrange64 = self::$factory64->newInteger($maxwordrange64);

                    $maxwordrange128 = $one->bitwise_leftShift(128)->subtract($one->bitwise_leftShift(96));
                    self::$maxwordrange128 = self::$factory128->newInteger($maxwordrange128);
                }

                $this->c = new AES('ctr');
                $this->c->disablePadding();
                $this->c->setKey($this->key);

                $this->pad = $this->pdf();

                $this->recomputeAESKey = false;
            }

            $hashedmessage = $this->uhash($text, $this->length);
            return $hashedmessage ^ $this->pad;
        }

        if (is_array($algo)) {
            if (empty($this->key) || !is_string($this->key)) {
                return substr($algo($text, ...array_values($this->parameters)), 0, $this->length);
            }

            // SHA3 HMACs are discussed at https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf#page=30

            $key    = str_pad($this->computedKey, $b, chr(0));
            $temp   = $this->ipad ^ $key;
            $temp  .= $text;
            $temp   = substr($algo($temp, ...array_values($this->parameters)), 0, $this->length);
            $output = $this->opad ^ $key;
            $output .= $temp;
            $output = $algo($output, ...array_values($this->parameters));

            return substr($output, 0, $this->length);
        }

        $output = !empty($this->key) || is_string($this->key) ?
            hash_hmac($algo, $text, $this->computedKey, true) :
            hash($algo, $text, true);

        return strlen($output) > $this->length
            ? substr($output, 0, $this->length)
            : $output;
    }

    /**
     * Returns the hash length (in bits)
     *
     * @access public
     * @return int
     */
    public function getLength()
    {
        return $this->length << 3;
    }

    /**
     * Returns the hash length (in bytes)
     *
     * @access public
     * @return int
     */
    public function getLengthInBytes()
    {
        return $this->length;
    }

    /**
     * Returns the block length (in bits)
     *
     * @access public
     * @return int
     */
    public function getBlockLength()
    {
        return $this->blockSize;
    }

    /**
     * Returns the block length (in bytes)
     *
     * @access public
     * @return int
     */
    public function getBlockLengthInBytes()
    {
        return $this->blockSize >> 3;
    }

    /**
     * Pads SHA3 based on the mode
     *
     * @access private
     * @param int $padLength
     * @param int $padType
     * @return string
     */
    private static function sha3_pad($padLength, $padType)
    {
        switch ($padType) {
            case self::PADDING_KECCAK:
                $temp = chr(0x01) . str_repeat("\0", $padLength - 1);
                $temp[$padLength - 1] = $temp[$padLength - 1] | chr(0x80);
                return $temp;
            case self::PADDING_SHAKE:
                $temp = chr(0x1F) . str_repeat("\0", $padLength - 1);
                $temp[$padLength - 1] = $temp[$padLength - 1] | chr(0x80);
                return $temp;
            //case self::PADDING_SHA3:
            default:
                // from https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf#page=36
                return $padLength == 1 ? chr(0x86) : chr(0x06) . str_repeat("\0", $padLength - 2) . chr(0x80);
        }
    }

    /**
     * Pure-PHP 32-bit implementation of SHA3
     *
     * Whereas BigInteger.php's 32-bit engine works on PHP 64-bit this 32-bit implementation
     * of SHA3 will *not* work on PHP 64-bit. This is because this implementation
     * employees bitwise NOTs and bitwise left shifts. And the round constants only work
     * on 32-bit PHP. eg. dechex(-2147483648) returns 80000000 on 32-bit PHP and
     * FFFFFFFF80000000 on 64-bit PHP. Sure, we could do bitwise ANDs but that would slow
     * things down.
     *
     * SHA512 requires BigInteger to simulate 64-bit unsigned integers because SHA2 employees
     * addition whereas SHA3 just employees bitwise operators. PHP64 only supports signed
     * 64-bit integers, which complicates addition, whereas that limitation isn't an issue
     * for SHA3.
     *
     * In https://ws680.nist.gov/publication/get_pdf.cfm?pub_id=919061#page=16 KECCAK[C] is
     * defined as "the KECCAK instance with KECCAK-f[1600] as the underlying permutation and
     * capacity c". This is relevant because, altho the KECCAK standard defines a mode
     * (KECCAK-f[800]) designed for 32-bit machines that mode is incompatible with SHA3
     *
     * @access private
     * @param string $p
     * @param int $c
     * @param int $r
     * @param int $d
     * @param int $padType
     */
    private static function sha3_32($p, $c, $r, $d, $padType)
    {
        $block_size = $r >> 3;
        $padLength = $block_size - (strlen($p) % $block_size);
        $num_ints = $block_size >> 2;

        $p .= static::sha3_pad($padLength, $padType);

        $n = strlen($p) / $r; // number of blocks

        $s = [
            [[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]],
            [[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]],
            [[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]],
            [[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]],
            [[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]]
        ];

        $p = str_split($p, $block_size);

        foreach ($p as $pi) {
            $pi = unpack('V*', $pi);
            $x = $y = 0;
            for ($i = 1; $i <= $num_ints; $i += 2) {
                $s[$x][$y][0] ^= $pi[$i + 1];
                $s[$x][$y][1] ^= $pi[$i];
                if (++$y == 5) {
                    $y = 0;
                    $x++;
                }
            }
            static::processSHA3Block32($s);
        }

        $z = '';
        $i = $j = 0;
        while (strlen($z) < $d) {
            $z .= pack('V2', $s[$i][$j][1], $s[$i][$j++][0]);
            if ($j == 5) {
                $j = 0;
                $i++;
                if ($i == 5) {
                    $i = 0;
                    static::processSHA3Block32($s);
                }
            }
        }

        return $z;
    }

    /**
     * 32-bit block processing method for SHA3
     *
     * @access private
     * @param array $s
     */
    private static function processSHA3Block32(&$s)
    {
        static $rotationOffsets = [
            [ 0,  1, 62, 28, 27],
            [36, 44,  6, 55, 20],
            [ 3, 10, 43, 25, 39],
            [41, 45, 15, 21,  8],
            [18,  2, 61, 56, 14]
        ];

        // the standards give these constants in hexadecimal notation. it's tempting to want to use
        // that same notation, here, however, we can't, because 0x80000000, on PHP32, is a positive
        // float - not the negative int that we need to be in PHP32. so we use -2147483648 instead
        static $roundConstants = [
            [0, 1],
            [0, 32898],
            [-2147483648, 32906],
            [-2147483648, -2147450880],
            [0, 32907],
            [0, -2147483647],
            [-2147483648, -2147450751],
            [-2147483648, 32777],
            [0, 138],
            [0, 136],
            [0, -2147450871],
            [0, -2147483638],
            [0, -2147450741],
            [-2147483648, 139],
            [-2147483648, 32905],
            [-2147483648, 32771],
            [-2147483648, 32770],
            [-2147483648, 128],
            [0, 32778],
            [-2147483648, -2147483638],
            [-2147483648, -2147450751],
            [-2147483648, 32896],
            [0, -2147483647],
            [-2147483648, -2147450872]
        ];

        for ($round = 0; $round < 24; $round++) {
            // theta step
            $parity = $rotated = [];
            for ($i = 0; $i < 5; $i++) {
                $parity[] = [
                    $s[0][$i][0] ^ $s[1][$i][0] ^ $s[2][$i][0] ^ $s[3][$i][0] ^ $s[4][$i][0],
                    $s[0][$i][1] ^ $s[1][$i][1] ^ $s[2][$i][1] ^ $s[3][$i][1] ^ $s[4][$i][1]
                ];
                $rotated[] = static::rotateLeft32($parity[$i], 1);
            }

            $temp = [
                [$parity[4][0] ^ $rotated[1][0], $parity[4][1] ^ $rotated[1][1]],
                [$parity[0][0] ^ $rotated[2][0], $parity[0][1] ^ $rotated[2][1]],
                [$parity[1][0] ^ $rotated[3][0], $parity[1][1] ^ $rotated[3][1]],
                [$parity[2][0] ^ $rotated[4][0], $parity[2][1] ^ $rotated[4][1]],
                [$parity[3][0] ^ $rotated[0][0], $parity[3][1] ^ $rotated[0][1]]
            ];
            for ($i = 0; $i < 5; $i++) {
                for ($j = 0; $j < 5; $j++) {
                    $s[$i][$j][0] ^= $temp[$j][0];
                    $s[$i][$j][1] ^= $temp[$j][1];
                }
            }

            $st = $s;

            // rho and pi steps
            for ($i = 0; $i < 5; $i++) {
                for ($j = 0; $j < 5; $j++) {
                    $st[(2 * $i + 3 * $j) % 5][$j] = static::rotateLeft32($s[$j][$i], $rotationOffsets[$j][$i]);
                }
            }

            // chi step
            for ($i = 0; $i < 5; $i++) {
                $s[$i][0] = [
                    $st[$i][0][0] ^ (~$st[$i][1][0] & $st[$i][2][0]),
                    $st[$i][0][1] ^ (~$st[$i][1][1] & $st[$i][2][1])
                ];
                $s[$i][1] = [
                    $st[$i][1][0] ^ (~$st[$i][2][0] & $st[$i][3][0]),
                    $st[$i][1][1] ^ (~$st[$i][2][1] & $st[$i][3][1])
                ];
                $s[$i][2] = [
                    $st[$i][2][0] ^ (~$st[$i][3][0] & $st[$i][4][0]),
                    $st[$i][2][1] ^ (~$st[$i][3][1] & $st[$i][4][1])
                ];
                $s[$i][3] = [
                    $st[$i][3][0] ^ (~$st[$i][4][0] & $st[$i][0][0]),
                    $st[$i][3][1] ^ (~$st[$i][4][1] & $st[$i][0][1])
                ];
                $s[$i][4] = [
                    $st[$i][4][0] ^ (~$st[$i][0][0] & $st[$i][1][0]),
                    $st[$i][4][1] ^ (~$st[$i][0][1] & $st[$i][1][1])
                ];
            }

            // iota step
            $s[0][0][0] ^= $roundConstants[$round][0];
            $s[0][0][1] ^= $roundConstants[$round][1];
        }
    }

    /**
     * Rotate 32-bit int
     *
     * @access private
     * @param array $x
     * @param int $shift
     */
    private static function rotateLeft32($x, $shift)
    {
        if ($shift < 32) {
            list($hi, $lo) = $x;
        } else {
            $shift -= 32;
            list($lo, $hi) = $x;
        }

        return [
            ($hi << $shift) | (($lo >> (32 - $shift)) & (1 << $shift) - 1),
            ($lo << $shift) | (($hi >> (32 - $shift)) & (1 << $shift) - 1)
        ];
    }

    /**
     * Pure-PHP 64-bit implementation of SHA3
     *
     * @access private
     * @param string $p
     * @param int $c
     * @param int $r
     * @param int $d
     * @param int $padType
     */
    private static function sha3_64($p, $c, $r, $d, $padType)
    {
        $block_size = $r >> 3;
        $padLength = $block_size - (strlen($p) % $block_size);
        $num_ints = $block_size >> 2;

        $p .= static::sha3_pad($padLength, $padType);

        $n = strlen($p) / $r; // number of blocks

        $s = [
            [0, 0, 0, 0, 0],
            [0, 0, 0, 0, 0],
            [0, 0, 0, 0, 0],
            [0, 0, 0, 0, 0],
            [0, 0, 0, 0, 0]
        ];

        $p = str_split($p, $block_size);

        foreach ($p as $pi) {
            $pi = unpack('P*', $pi);
            $x = $y = 0;
            foreach ($pi as $subpi) {
                $s[$x][$y++] ^= $subpi;
                if ($y == 5) {
                    $y = 0;
                    $x++;
                }
            }
            static::processSHA3Block64($s);
        }

        $z = '';
        $i = $j = 0;
        while (strlen($z) < $d) {
            $z .= pack('P', $s[$i][$j++]);
            if ($j == 5) {
                $j = 0;
                $i++;
                if ($i == 5) {
                    $i = 0;
                    static::processSHA3Block64($s);
                }
            }
        }

        return $z;
    }

    /**
     * 64-bit block processing method for SHA3
     *
     * @access private
     * @param array $s
     */
    private static function processSHA3Block64(&$s)
    {
        static $rotationOffsets = [
            [ 0,  1, 62, 28, 27],
            [36, 44,  6, 55, 20],
            [ 3, 10, 43, 25, 39],
            [41, 45, 15, 21,  8],
            [18,  2, 61, 56, 14]
        ];

        static $roundConstants = [
            1,
            32898,
            -9223372036854742902,
            -9223372034707259392,
            32907,
            2147483649,
            -9223372034707259263,
            -9223372036854743031,
            138,
            136,
            2147516425,
            2147483658,
            2147516555,
            -9223372036854775669,
            -9223372036854742903,
            -9223372036854743037,
            -9223372036854743038,
            -9223372036854775680,
            32778,
            -9223372034707292150,
            -9223372034707259263,
            -9223372036854742912,
            2147483649,
            -9223372034707259384
        ];

        for ($round = 0; $round < 24; $round++) {
            // theta step
            $parity = [];
            for ($i = 0; $i < 5; $i++) {
                $parity[] = $s[0][$i] ^ $s[1][$i] ^ $s[2][$i] ^ $s[3][$i] ^ $s[4][$i];
            }
            $temp = [
                $parity[4] ^ static::rotateLeft64($parity[1], 1),
                $parity[0] ^ static::rotateLeft64($parity[2], 1),
                $parity[1] ^ static::rotateLeft64($parity[3], 1),
                $parity[2] ^ static::rotateLeft64($parity[4], 1),
                $parity[3] ^ static::rotateLeft64($parity[0], 1)
            ];
            for ($i = 0; $i < 5; $i++) {
                for ($j = 0; $j < 5; $j++) {
                    $s[$i][$j] ^= $temp[$j];
                }
            }

            $st = $s;

            // rho and pi steps
            for ($i = 0; $i < 5; $i++) {
                for ($j = 0; $j < 5; $j++) {
                    $st[(2 * $i + 3 * $j) % 5][$j] = static::rotateLeft64($s[$j][$i], $rotationOffsets[$j][$i]);
                }
            }

            // chi step
            for ($i = 0; $i < 5; $i++) {
                $s[$i] = [
                    $st[$i][0] ^ (~$st[$i][1] & $st[$i][2]),
                    $st[$i][1] ^ (~$st[$i][2] & $st[$i][3]),
                    $st[$i][2] ^ (~$st[$i][3] & $st[$i][4]),
                    $st[$i][3] ^ (~$st[$i][4] & $st[$i][0]),
                    $st[$i][4] ^ (~$st[$i][0] & $st[$i][1])
                ];
            }

            // iota step
            $s[0][0] ^= $roundConstants[$round];
        }
    }

    /**
     * Rotate 64-bit int
     *
     * @access private
     * @param int $x
     * @param int $shift
     */
    private static function rotateLeft64($x, $shift)
    {
        return ($x << $shift) | (($x >> (64 - $shift)) & ((1 << $shift) - 1));
    }

    /**
     * Pure-PHP implementation of SHA512
     *
     * @access private
     * @param string $m
     * @param array $hash
     * @return string
     */
    private static function sha512($m, $hash)
    {
        static $k;

        if (!isset($k)) {
            // Initialize table of round constants
            // (first 64 bits of the fractional parts of the cube roots of the first 80 primes 2..409)
            $k = [
                '428a2f98d728ae22', '7137449123ef65cd', 'b5c0fbcfec4d3b2f', 'e9b5dba58189dbbc',
                '3956c25bf348b538', '59f111f1b605d019', '923f82a4af194f9b', 'ab1c5ed5da6d8118',
                'd807aa98a3030242', '12835b0145706fbe', '243185be4ee4b28c', '550c7dc3d5ffb4e2',
                '72be5d74f27b896f', '80deb1fe3b1696b1', '9bdc06a725c71235', 'c19bf174cf692694',
                'e49b69c19ef14ad2', 'efbe4786384f25e3', '0fc19dc68b8cd5b5', '240ca1cc77ac9c65',
                '2de92c6f592b0275', '4a7484aa6ea6e483', '5cb0a9dcbd41fbd4', '76f988da831153b5',
                '983e5152ee66dfab', 'a831c66d2db43210', 'b00327c898fb213f', 'bf597fc7beef0ee4',
                'c6e00bf33da88fc2', 'd5a79147930aa725', '06ca6351e003826f', '142929670a0e6e70',
                '27b70a8546d22ffc', '2e1b21385c26c926', '4d2c6dfc5ac42aed', '53380d139d95b3df',
                '650a73548baf63de', '766a0abb3c77b2a8', '81c2c92e47edaee6', '92722c851482353b',
                'a2bfe8a14cf10364', 'a81a664bbc423001', 'c24b8b70d0f89791', 'c76c51a30654be30',
                'd192e819d6ef5218', 'd69906245565a910', 'f40e35855771202a', '106aa07032bbd1b8',
                '19a4c116b8d2d0c8', '1e376c085141ab53', '2748774cdf8eeb99', '34b0bcb5e19b48a8',
                '391c0cb3c5c95a63', '4ed8aa4ae3418acb', '5b9cca4f7763e373', '682e6ff3d6b2b8a3',
                '748f82ee5defb2fc', '78a5636f43172f60', '84c87814a1f0ab72', '8cc702081a6439ec',
                '90befffa23631e28', 'a4506cebde82bde9', 'bef9a3f7b2c67915', 'c67178f2e372532b',
                'ca273eceea26619c', 'd186b8c721c0c207', 'eada7dd6cde0eb1e', 'f57d4f7fee6ed178',
                '06f067aa72176fba', '0a637dc5a2c898a6', '113f9804bef90dae', '1b710b35131c471b',
                '28db77f523047d84', '32caab7b40c72493', '3c9ebe0a15c9bebc', '431d67c49c100d4c',
                '4cc5d4becb3e42b6', '597f299cfc657e2a', '5fcb6fab3ad6faec', '6c44198c4a475817'
            ];

            for ($i = 0; $i < 80; $i++) {
                $k[$i] = new BigInteger($k[$i], 16);
            }
        }

        // Pre-processing
        $length = strlen($m);
        // to round to nearest 112 mod 128, we'll add 128 - (length + (128 - 112)) % 128
        $m .= str_repeat(chr(0), 128 - (($length + 16) & 0x7F));
        $m[$length] = chr(0x80);
        // we don't support hashing strings 512MB long
        $m .= pack('N4', 0, 0, 0, $length << 3);

        // Process the message in successive 1024-bit chunks
        $chunks = str_split($m, 128);
        foreach ($chunks as $chunk) {
            $w = [];
            for ($i = 0; $i < 16; $i++) {
                $temp = new BigInteger(Strings::shift($chunk, 8), 256);
                $temp->setPrecision(64);
                $w[] = $temp;
            }

            // Extend the sixteen 32-bit words into eighty 32-bit words
            for ($i = 16; $i < 80; $i++) {
                $temp = [
                          $w[$i - 15]->bitwise_rightRotate(1),
                          $w[$i - 15]->bitwise_rightRotate(8),
                          $w[$i - 15]->bitwise_rightShift(7)
                ];
                $s0 = $temp[0]->bitwise_xor($temp[1]);
                $s0 = $s0->bitwise_xor($temp[2]);
                $temp = [
                          $w[$i - 2]->bitwise_rightRotate(19),
                          $w[$i - 2]->bitwise_rightRotate(61),
                          $w[$i - 2]->bitwise_rightShift(6)
                ];
                $s1 = $temp[0]->bitwise_xor($temp[1]);
                $s1 = $s1->bitwise_xor($temp[2]);
                $w[$i] = clone $w[$i - 16];
                $w[$i] = $w[$i]->add($s0);
                $w[$i] = $w[$i]->add($w[$i - 7]);
                $w[$i] = $w[$i]->add($s1);
            }

            // Initialize hash value for this chunk
            $a = clone $hash[0];
            $b = clone $hash[1];
            $c = clone $hash[2];
            $d = clone $hash[3];
            $e = clone $hash[4];
            $f = clone $hash[5];
            $g = clone $hash[6];
            $h = clone $hash[7];

            // Main loop
            for ($i = 0; $i < 80; $i++) {
                $temp = [
                    $a->bitwise_rightRotate(28),
                    $a->bitwise_rightRotate(34),
                    $a->bitwise_rightRotate(39)
                ];
                $s0 = $temp[0]->bitwise_xor($temp[1]);
                $s0 = $s0->bitwise_xor($temp[2]);
                $temp = [
                    $a->bitwise_and($b),
                    $a->bitwise_and($c),
                    $b->bitwise_and($c)
                ];
                $maj = $temp[0]->bitwise_xor($temp[1]);
                $maj = $maj->bitwise_xor($temp[2]);
                $t2 = $s0->add($maj);

                $temp = [
                    $e->bitwise_rightRotate(14),
                    $e->bitwise_rightRotate(18),
                    $e->bitwise_rightRotate(41)
                ];
                $s1 = $temp[0]->bitwise_xor($temp[1]);
                $s1 = $s1->bitwise_xor($temp[2]);
                $temp = [
                    $e->bitwise_and($f),
                    $g->bitwise_and($e->bitwise_not())
                ];
                $ch = $temp[0]->bitwise_xor($temp[1]);
                $t1 = $h->add($s1);
                $t1 = $t1->add($ch);
                $t1 = $t1->add($k[$i]);
                $t1 = $t1->add($w[$i]);

                $h = clone $g;
                $g = clone $f;
                $f = clone $e;
                $e = $d->add($t1);
                $d = clone $c;
                $c = clone $b;
                $b = clone $a;
                $a = $t1->add($t2);
            }

            // Add this chunk's hash to result so far
            $hash = [
                $hash[0]->add($a),
                $hash[1]->add($b),
                $hash[2]->add($c),
                $hash[3]->add($d),
                $hash[4]->add($e),
                $hash[5]->add($f),
                $hash[6]->add($g),
                $hash[7]->add($h)
            ];
        }

        // Produce the final hash value (big-endian)
        // (\phpseclib3\Crypt\Hash::hash() trims the output for hashes but not for HMACs.  as such, we trim the output here)
        $temp = $hash[0]->toBytes() . $hash[1]->toBytes() . $hash[2]->toBytes() . $hash[3]->toBytes() .
                $hash[4]->toBytes() . $hash[5]->toBytes() . $hash[6]->toBytes() . $hash[7]->toBytes();

        return $temp;
    }

    /**
     *  __toString() magic method
     */
    public function __toString()
    {
        return $this->getHash();
    }
}
PK     ùˆU]EWòY�$  �$  2  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA.phpnu „[µü¤        <?php

/**
 * Pure-PHP FIPS 186-4 compliant implementation of DSA.
 *
 * PHP version 5
 *
 * Here's an example of how to create signatures and verify signatures with this library:
 * <code>
 * <?php
 * include 'vendor/autoload.php';
 *
 * $private = \phpseclib3\Crypt\DSA::createKey();
 * $public = $private->getPublicKey();
 *
 * $plaintext = 'terrafrost';
 *
 * $signature = $private->sign($plaintext);
 *
 * echo $public->verify($plaintext, $signature) ? 'verified' : 'unverified';
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\DSA\Parameters;
use phpseclib3\Crypt\DSA\PrivateKey;
use phpseclib3\Crypt\DSA\PublicKey;
use phpseclib3\Exception\InsufficientSetupException;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP FIPS 186-4 compliant implementation of DSA.
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DSA extends AsymmetricKey
{
    /**
     * Algorithm Name
     *
     * @var string
     * @access private
     */
    const ALGORITHM = 'DSA';

    /**
     * DSA Prime P
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $p;

    /**
     * DSA Group Order q
     *
     * Prime divisor of p-1
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $q;

    /**
     * DSA Group Generator G
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $g;

    /**
     * DSA public key value y
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $y;

    /**
     * Signature Format
     *
     * @var string
     * @access private
     */
    protected $sigFormat;

    /**
     * Signature Format (Short)
     *
     * @var string
     * @access private
     */
    protected $shortFormat;

    /**
     * Create DSA parameters
     *
     * @access public
     * @param int $L
     * @param int $N
     * @return \phpseclib3\Crypt\DSA|bool
     */
    public static function createParameters($L = 2048, $N = 224)
    {
        self::initialize_static_variables();

        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }

        switch (true) {
            case $N == 160:
            /*
              in FIPS 186-1 and 186-2 N was fixed at 160 whereas K had an upper bound of 1024.
              RFC 4253 (SSH Transport Layer Protocol) references FIPS 186-2 and as such most
              SSH DSA implementations only support keys with an N of 160.
              puttygen let's you set the size of L (but not the size of N) and uses 2048 as the
              default L value. that's not really compliant with any of the FIPS standards, however,
              for the purposes of maintaining compatibility with puttygen, we'll support it
            */
            //case ($L >= 512 || $L <= 1024) && (($L & 0x3F) == 0) && $N == 160:
            // FIPS 186-3 changed this as follows:
            //case $L == 1024 && $N == 160:
            case $L == 2048 && $N == 224:
            case $L == 2048 && $N == 256:
            case $L == 3072 && $N == 256:
                break;
            default:
                throw new \InvalidArgumentException('Invalid values for N and L');
        }

        $two = new BigInteger(2);

        $q = BigInteger::randomPrime($N);
        $divisor = $q->multiply($two);

        do {
            $x = BigInteger::random($L);
            list(, $c) = $x->divide($divisor);
            $p = $x->subtract($c->subtract(self::$one));
        } while ($p->getLength() != $L || !$p->isPrime());

        $p_1 = $p->subtract(self::$one);
        list($e) = $p_1->divide($q);

        // quoting http://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.186-4.pdf#page=50 ,
        // "h could be obtained from a random number generator or from a counter that
        //  changes after each use". PuTTY (sshdssg.c) starts h off at 1 and increments
        // it on each loop. wikipedia says "commonly h = 2 is used" so we'll just do that
        $h = clone $two;
        while (true) {
            $g = $h->powMod($e, $p);
            if (!$g->equals(self::$one)) {
                break;
            }
            $h = $h->add(self::$one);
        }

        $dsa = new Parameters();
        $dsa->p = $p;
        $dsa->q = $q;
        $dsa->g = $g;

        return $dsa;
    }

    /**
     * Create public / private key pair.
     *
     * This method is a bit polymorphic. It can take a DSA/Parameters object, L / N as two distinct parameters or
     * no parameters (at which point L and N will be generated with this method)
     *
     * Returns the private key, from which the publickey can be extracted
     *
     * @param int[] ...$args
     * @access public
     * @return DSA\PrivateKey
     */
    public static function createKey(...$args)
    {
        self::initialize_static_variables();

        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }

        if (count($args) == 2 && is_int($args[0]) && is_int($args[1])) {
            $params = self::createParameters($args[0], $args[1]);
        } elseif (count($args) == 1 && $args[0] instanceof Parameters) {
            $params = $args[0];
        } elseif (!count($args)) {
            $params = self::createParameters();
        } else {
            throw new InsufficientSetupException('Valid parameters are either two integers (L and N), a single DSA object or no parameters at all.');
        }

        $private = new PrivateKey();
        $private->p = $params->p;
        $private->q = $params->q;
        $private->g = $params->g;

        $private->x = BigInteger::randomRange(self::$one, $private->q->subtract(self::$one));
        $private->y = $private->g->powMod($private->x, $private->p);

        //$public = clone $private;
        //unset($public->x);

        return $private
            ->withHash($params->hash->getHash())
            ->withSignatureFormat($params->shortFormat);
    }

    /**
     * OnLoad Handler
     *
     * @return bool
     * @access protected
     * @param array $components
     */
    protected static function onLoad($components)
    {
        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }

        if (!isset($components['x']) && !isset($components['y'])) {
            $new = new Parameters();
        } elseif (isset($components['x'])) {
            $new = new PrivateKey();
            $new->x = $components['x'];
        } else {
            $new = new PublicKey();
        }

        $new->p = $components['p'];
        $new->q = $components['q'];
        $new->g = $components['g'];

        if (isset($components['y'])) {
            $new->y = $components['y'];
        }

        return $new;
    }

    /**
     * Constructor
     *
     * PublicKey and PrivateKey objects can only be created from abstract RSA class
     */
    protected function __construct()
    {
        $this->sigFormat = self::validatePlugin('Signature', 'ASN1');
        $this->shortFormat = 'ASN1';

        parent::__construct();
    }

    /**
     * Returns the key size
     *
     * More specifically, this L (the length of DSA Prime P) and N (the length of DSA Group Order q)
     *
     * @access public
     * @return array
     */
    public function getLength()
    {
        return ['L' => $this->p->getLength(), 'N' => $this->q->getLength()];
    }

    /**
     * Returns the current engine being used
     *
     * @see self::useInternalEngine()
     * @see self::useBestEngine()
     * @access public
     * @return string
     */
    public function getEngine()
    {
        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }
        return self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods()) ?
            'OpenSSL' : 'PHP';
    }

    /**
     * Returns the parameters
     *
     * A public / private key is only returned if the currently loaded "key" contains an x or y
     * value.
     *
     * @see self::getPublicKey()
     * @access public
     * @return mixed
     */
    public function getParameters()
    {
        $type = self::validatePlugin('Keys', 'PKCS1', 'saveParameters');

        $key = $type::saveParameters($this->p, $this->q, $this->g);
        return DSA::load($key, 'PKCS1')
            ->withHash($this->hash->getHash())
            ->withSignatureFormat($this->shortFormat);
    }

    /**
     * Determines the signature padding mode
     *
     * Valid values are: ASN1, SSH2, Raw
     *
     * @access public
     * @param string $format
     */
    public function withSignatureFormat($format)
    {
        $new = clone $this;
        $new->shortFormat = $format;
        $new->sigFormat = self::validatePlugin('Signature', $format);
        return $new;
    }

    /**
     * Returns the signature format currently being used
     *
     * @access public
     */
    public function getSignatureFormat()
    {
        return $this->shortFormat;
    }
}
PK     ùˆU]ÜƒrÏ9  Ï9  6  vendor/phpseclib/phpseclib/phpseclib/Crypt/Salsa20.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of Salsa20.
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Salsa20
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\StreamCipher;
use phpseclib3\Exception\BadDecryptionException;
use phpseclib3\Exception\InsufficientSetupException;

/**
 * Pure-PHP implementation of Salsa20.
 *
 * @package Salsa20
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Salsa20 extends StreamCipher
{
    /**
     * Part 1 of the state
     *
     * @var string|false
     */
    protected $p1 = false;

    /**
     * Part 2 of the state
     *
     * @var string|false
     */
    protected $p2 = false;

    /**
     * Key Length (in bytes)
     *
     * @var int
     */
    protected $key_length = 32; // = 256 bits

    /**
     * @access private
     * @see \phpseclib3\Crypt\Salsa20::crypt()
     */
    const ENCRYPT = 0;

    /**
     * @access private
     * @see \phpseclib3\Crypt\Salsa20::crypt()
     */
    const DECRYPT = 1;

    /**
     * Encryption buffer for continuous mode
     *
     * @var array
     */
    protected $enbuffer;

    /**
     * Decryption buffer for continuous mode
     *
     * @var array
     */
    protected $debuffer;

    /**
     * Counter
     *
     * @var int
     */
    protected $counter = 0;

    /**
     * Using Generated Poly1305 Key
     *
     * @var boolean
     */
    protected $usingGeneratedPoly1305Key = false;

    /**
     * Salsa20 uses a nonce
     *
     * @return bool
     */
    public function usesNonce()
    {
        return true;
    }

    /**
     * Sets the key.
     *
     * @param string $key
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key)
    {
        switch (strlen($key)) {
            case 16:
            case 32:
                break;
            default:
                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16 or 32 are supported');
        }

        parent::setKey($key);
    }

    /**
     * Sets the nonce.
     *
     * @param string $nonce
     */
    public function setNonce($nonce)
    {
        if (strlen($nonce) != 8) {
            throw new \LengthException('Nonce of size ' . strlen($key) . ' not supported by this algorithm. Only an 64-bit nonce is supported');
        }

        $this->nonce = $nonce;
        $this->changed = true;
        $this->setEngine();
    }

    /**
     * Sets the counter.
     *
     * @param int $counter
     */
    public function setCounter($counter)
    {
        $this->counter = $counter;
        $this->setEngine();
    }

    /**
     * Creates a Poly1305 key using the method discussed in RFC8439
     *
     * See https://tools.ietf.org/html/rfc8439#section-2.6.1
     */
    protected function createPoly1305Key()
    {
        if ($this->nonce === false) {
            throw new InsufficientSetupException('No nonce has been defined');
        }

        if ($this->key === false) {
            throw new InsufficientSetupException('No key has been defined');
        }

        $c = clone $this;
        $c->setCounter(0);
        $c->usePoly1305 = false;
        $block = $c->encrypt(str_repeat("\0", 256));
        $this->setPoly1305Key(substr($block, 0, 32));

        if ($this->counter == 0) {
            $this->counter++;
        }
    }

    /**
     * Setup the self::ENGINE_INTERNAL $engine
     *
     * (re)init, if necessary, the internal cipher $engine
     *
     * _setup() will be called each time if $changed === true
     * typically this happens when using one or more of following public methods:
     *
     * - setKey()
     *
     * - setNonce()
     *
     * - First run of encrypt() / decrypt() with no init-settings
     *
     * @see self::setKey()
     * @see self::setNonce()
     * @see self::disableContinuousBuffer()
     */
    protected function setup()
    {
        if (!$this->changed) {
            return;
        }

        $this->enbuffer = $this->debuffer = ['ciphertext' => '', 'counter' => $this->counter];

        $this->changed = $this->nonIVChanged = false;

        if ($this->nonce === false) {
            throw new InsufficientSetupException('No nonce has been defined');
        }

        if ($this->key === false) {
            throw new InsufficientSetupException('No key has been defined');
        }

        if ($this->usePoly1305 && !isset($this->poly1305Key)) {
            $this->usingGeneratedPoly1305Key = true;
            $this->createPoly1305Key();
        }

        $key = $this->key;
        if (strlen($key) == 16) {
            $constant = 'expand 16-byte k';
            $key .= $key;
        } else {
            $constant = 'expand 32-byte k';
        }

        $this->p1 = substr($constant, 0, 4) .
                    substr($key, 0, 16) .
                    substr($constant, 4, 4) .
                    $this->nonce .
                    "\0\0\0\0";
        $this->p2 = substr($constant, 8, 4) .
                    substr($key, 16, 16) .
                    substr($constant, 12, 4);
    }

    /**
     * Setup the key (expansion)
     */
    protected function setupKey()
    {
        // Salsa20 does not utilize this method
    }

    /**
     * Encrypts a message.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @see self::crypt()
     * @param string $plaintext
     * @return string $ciphertext
     */
    public function encrypt($plaintext)
    {
        $ciphertext = $this->crypt($plaintext, self::ENCRYPT);
        if (isset($this->poly1305Key)) {
            $this->newtag = $this->poly1305($ciphertext);
        }
        return $ciphertext;
    }

    /**
     * Decrypts a message.
     *
     * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)).
     * At least if the continuous buffer is disabled.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see self::crypt()
     * @param string $ciphertext
     * @return string $plaintext
     */
    public function decrypt($ciphertext)
    {
        if (isset($this->poly1305Key)) {
            if ($this->oldtag === false) {
                throw new InsufficientSetupException('Authentication Tag has not been set');
            }
            $newtag = $this->poly1305($ciphertext);
            if ($this->oldtag != substr($newtag, 0, strlen($this->oldtag))) {
                $this->oldtag = false;
                throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match');
            }
            $this->oldtag = false;
        }

        return $this->crypt($ciphertext, self::DECRYPT);
    }

    /**
     * Encrypts a block
     *
     * @param string $in
     */
    protected function encryptBlock($in)
    {
        // Salsa20 does not utilize this method
    }

    /**
     * Decrypts a block
     *
     * @param string $in
     */
    protected function decryptBlock($in)
    {
        // Salsa20 does not utilize this method
    }

    /**
     * Encrypts or decrypts a message.
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @param string $text
     * @param int $mode
     * @return string $text
     */
    private function crypt($text, $mode)
    {
        $this->setup();
        if (!$this->continuousBuffer) {
            if ($this->engine == self::ENGINE_OPENSSL) {
                $iv = pack('V', $this->counter) . $this->p2;
                return openssl_encrypt(
                    $text,
                    $this->cipher_name_openssl,
                    $this->key,
                    OPENSSL_RAW_DATA,
                    $iv
                );
            }
            $i = $this->counter;
            $blocks = str_split($text, 64);
            foreach ($blocks as &$block) {
                $block ^= static::salsa20($this->p1 . pack('V', $i++) . $this->p2);
            }

            return implode('', $blocks);
        }

        if ($mode == self::ENCRYPT) {
            $buffer = &$this->enbuffer;
        } else {
            $buffer = &$this->debuffer;
        }
        if (!strlen($buffer['ciphertext'])) {
            $ciphertext = '';
        } else {
            $ciphertext = $text ^ Strings::shift($buffer['ciphertext'], strlen($text));
            $text = substr($text, strlen($ciphertext));
            if (!strlen($text)) {
                return $ciphertext;
            }
        }

        $overflow = strlen($text) % 64; // & 0x3F
        if ($overflow) {
            $text2 = Strings::pop($text, $overflow);
            if ($this->engine == self::ENGINE_OPENSSL) {
                $iv = pack('V', $buffer['counter']) . $this->p2;
                // at this point $text should be a multiple of 64
                $buffer['counter'] += (strlen($text) >> 6) + 1; // ie. divide by 64
                $encrypted = openssl_encrypt(
                    $text . str_repeat("\0", 64),
                    $this->cipher_name_openssl,
                    $this->key,
                    OPENSSL_RAW_DATA,
                    $iv
                );
                $temp = Strings::pop($encrypted, 64);
            } else {
                $blocks = str_split($text, 64);
                if (strlen($text)) {
                    foreach ($blocks as &$block) {
                        $block ^= static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
                    }
                }
                $encrypted = implode('', $blocks);
                $temp = static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
            }
            $ciphertext .= $encrypted . ($text2 ^ $temp);
            $buffer['ciphertext'] = substr($temp, $overflow);
        } elseif (!strlen($buffer['ciphertext'])) {
            if ($this->engine == self::ENGINE_OPENSSL) {
                $iv = pack('V', $buffer['counter']) . $this->p2;
                $buffer['counter'] += (strlen($text) >> 6);
                $ciphertext .= openssl_encrypt(
                    $text,
                    $this->cipher_name_openssl,
                    $this->key,
                    OPENSSL_RAW_DATA,
                    $iv
                );
            } else {
                $blocks = str_split($text, 64);
                foreach ($blocks as &$block) {
                    $block ^= static::salsa20($this->p1 . pack('V', $buffer['counter']++) . $this->p2);
                }
                $ciphertext .= implode('', $blocks);
            }
        }

        return $ciphertext;
    }

    /**
     * Left Rotate
     *
     * @param int $x
     * @param int $n
     * @return int
     */
    protected static function leftRotate($x, $n)
    {
        $r1 = $x << $n;
        if (PHP_INT_SIZE == 8) {
            $r1 &= 0xFFFFFFFF;
            $r2 = ($x & 0xFFFFFFFF) >> (32 - $n);
        } else {
            $r2 = $x >> (32 - $n);
            $r2 &= (1 << $n) - 1;
        }
        return $r1 | $r2;
    }

    /**
     * The quarterround function
     *
     * @param int $a
     * @param int $b
     * @param int $c
     * @param int $d
     */
    protected static function quarterRound(&$a, &$b, &$c, &$d)
    {
        $b ^= self::leftRotate($a + $d, 7);
        $c ^= self::leftRotate($b + $a, 9);
        $d ^= self::leftRotate($c + $b, 13);
        $a ^= self::leftRotate($d + $c, 18);
    }

    /**
     * The doubleround function
     *
     * @param int $x0 (by reference)
     * @param int $x1 (by reference)
     * @param int $x2 (by reference)
     * @param int $x3 (by reference)
     * @param int $x4 (by reference)
     * @param int $x5 (by reference)
     * @param int $x6 (by reference)
     * @param int $x7 (by reference)
     * @param int $x8 (by reference)
     * @param int $x9 (by reference)
     * @param int $x10 (by reference)
     * @param int $x11 (by reference)
     * @param int $x12 (by reference)
     * @param int $x13 (by reference)
     * @param int $x14 (by reference)
     * @param int $x15 (by reference)
     */
    protected static function doubleRound(&$x0, &$x1, &$x2, &$x3, &$x4, &$x5, &$x6, &$x7, &$x8, &$x9, &$x10, &$x11, &$x12, &$x13, &$x14, &$x15)
    {
        // columnRound
        static::quarterRound($x0, $x4, $x8, $x12);
        static::quarterRound($x5, $x9, $x13, $x1);
        static::quarterRound($x10, $x14, $x2, $x6);
        static::quarterRound($x15, $x3, $x7, $x11);
        // rowRound
        static::quarterRound($x0, $x1, $x2, $x3);
        static::quarterRound($x5, $x6, $x7, $x4);
        static::quarterRound($x10, $x11, $x8, $x9);
        static::quarterRound($x15, $x12, $x13, $x14);
    }

    /**
     * The Salsa20 hash function function
     *
     * @param string $x
     */
    protected static function salsa20($x)
    {
        $z = $x = unpack('V*', $x);
        for ($i = 0; $i < 10; $i++) {
            static::doubleRound($z[1], $z[2], $z[3], $z[4], $z[5], $z[6], $z[7], $z[8], $z[9], $z[10], $z[11], $z[12], $z[13], $z[14], $z[15], $z[16]);
        }

        for ($i = 1; $i <= 16; $i++) {
            $x[$i] += $z[$i];
        }

        return pack('V*', ...$x);
    }

    /**
     * Calculates Poly1305 MAC
     *
     * @see self::decrypt()
     * @see self::encrypt()
     * @access private
     * @param string $ciphertext
     * @return string
     */
    protected function poly1305($ciphertext)
    {
        if (!$this->usingGeneratedPoly1305Key) {
            return parent::poly1305($this->aad . $ciphertext);
        } else {
            /*
            sodium_crypto_aead_chacha20poly1305_encrypt does not calculate the poly1305 tag
            the same way sodium_crypto_aead_chacha20poly1305_ietf_encrypt does. you can see
            how the latter encrypts it in Salsa20::encrypt(). here's how the former encrypts
            it:

            $this->newtag = $this->poly1305(
                $this->aad .
                pack('V', strlen($this->aad)) . "\0\0\0\0" .
                $ciphertext .
                pack('V', strlen($ciphertext)) . "\0\0\0\0"
            );

            phpseclib opts to use the IETF construction, even when the nonce is 64-bits
            instead of 96-bits
            */
            return parent::poly1305(
                self::nullPad128($this->aad) .
                self::nullPad128($ciphertext) .
                pack('V', strlen($this->aad)) . "\0\0\0\0" .
                pack('V', strlen($ciphertext)) . "\0\0\0\0"
            );
        }
    }
}
PK     ùˆU]Æ+ð=  =  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/PrivateKey.phpnu „[µü¤        <?php

/**
 * DH Private Key
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\DH;

/**
 * DH Private Key
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PrivateKey extends DH
{
    use Common\Traits\PasswordProtected;

    /**
     * Private Key
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $privateKey;

    /**
     * Public Key
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $publicKey;

    /**
     * Returns the public key
     *
     * @access public
     * @return DH\PublicKey
     */
    public function getPublicKey()
    {
        $type = self::validatePlugin('Keys', 'PKCS8', 'savePublicKey');

        if (!isset($this->publicKey)) {
            $this->publicKey = $this->base->powMod($this->privateKey, $this->prime);
        }

        $key = $type::savePublicKey($this->prime, $this->base, $this->publicKey);

        return DH::loadFormat('PKCS8', $key);
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePrivateKey');

        if (!isset($this->publicKey)) {
            $this->publicKey = $this->base->powMod($this->privateKey, $this->prime);
        }

        return $type::savePrivateKey($this->prime, $this->base, $this->privateKey, $this->publicKey, $this->password, $options);
    }
}
PK     ùˆU]aëúHµ  µ  D  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Formats/Keys/PKCS1.phpnu „[µü¤        <?php

/**
 * "PKCS1" Formatted EC Key Handler
 *
 * PHP version 5
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN DH PARAMETERS-----
 *
 * Technically, PKCS1 is for RSA keys, only, but we're using PKCS1 to describe
 * DSA, whose format isn't really formally described anywhere, so might as well
 * use it to describe this, too.
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH\Formats\Keys;

use phpseclib3\Crypt\Common\Formats\Keys\PKCS1 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * "PKCS1" Formatted DH Key Handler
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS1 extends Progenitor
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $key = parent::load($key, $password);

        $decoded = ASN1::decodeBER($key);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        $components = ASN1::asn1map($decoded[0], Maps\DHParameter::MAP);
        if (!is_array($components)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping on parameters');
        }

        return $components;
    }

    /**
     * Convert EC parameters to the appropriate format
     *
     * @access public
     * @return string
     */
    public static function saveParameters(BigInteger $prime, BigInteger $base, array $options = [])
    {
        $params = [
            'prime' => $prime,
            'base' => $base
        ];
        $params = ASN1::encodeDER($params, Maps\DHParameter::MAP);

        return "-----BEGIN DH PARAMETERS-----\r\n" .
               chunk_split(base64_encode($params), 64) .
               "-----END DH PARAMETERS-----\r\n";
    }
}
PK     úˆU]üb,×ý  ý  D  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Formats/Keys/PKCS8.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted DH Key Handler
 *
 * PHP version 5
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#8 Formatted DH Key Handler
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends Progenitor
{
    /**
     * OID Name
     *
     * @var string
     * @access private
     */
    const OID_NAME = 'dhKeyAgreement';

    /**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = '1.2.840.113549.1.3.1';

    /**
     * Child OIDs loaded
     *
     * @var bool
     * @access private
     */
    protected static $childOIDsLoaded = false;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        $isPublic = strpos($key, 'PUBLIC') !== false;

        $key = parent::load($key, $password);

        $type = isset($key['privateKey']) ? 'privateKey' : 'publicKey';

        switch (true) {
            case !$isPublic && $type == 'publicKey':
                throw new \UnexpectedValueException('Human readable string claims non-public key but DER encoded string claims public key');
            case $isPublic && $type == 'privateKey':
                throw new \UnexpectedValueException('Human readable string claims public key but DER encoded string claims private key');
        }

        $decoded = ASN1::decodeBER($key[$type . 'Algorithm']['parameters']->element);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER of parameters');
        }
        $components = ASN1::asn1map($decoded[0], Maps\DHParameter::MAP);
        if (!is_array($components)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping on parameters');
        }

        $decoded = ASN1::decodeBER($key[$type]);
        switch (true) {
            case empty($decoded):
            case !is_array($decoded):
            case !isset($decoded[0]['content']):
            case !$decoded[0]['content'] instanceof BigInteger:
                throw new \RuntimeException('Unable to decode BER of parameters');
        }
        $components[$type] = $decoded[0]['content'];

        return $components;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $prime
     * @param \phpseclib3\Math\BigInteger $base
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Math\BigInteger $publicKey
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $prime, BigInteger $base, BigInteger $privateKey, BigInteger $publicKey, $password = '', array $options = [])
    {
        $params = [
            'prime' => $prime,
            'base' => $base
        ];
        $params = ASN1::encodeDER($params, Maps\DHParameter::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($privateKey, ['type' => ASN1::TYPE_INTEGER]);
        return self::wrapPrivateKey($key, [], $params, $password, null, '', $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $prime
     * @param \phpseclib3\Math\BigInteger $base
     * @param \phpseclib3\Math\BigInteger $publicKey
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $prime, BigInteger $base, BigInteger $publicKey, array $options = [])
    {
        $params = [
            'prime' => $prime,
            'base' => $base
        ];
        $params = ASN1::encodeDER($params, Maps\DHParameter::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($publicKey, ['type' => ASN1::TYPE_INTEGER]);
        return self::wrapPublicKey($key, $params);
    }
}
PK     úˆU]ja¾ P  P  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Parameters.phpnu „[µü¤        <?php

/**
 * DH Parameters
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH;

use phpseclib3\Crypt\DH;

/**
 * DH Parameters
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Parameters extends DH
{
    /**
     * Returns the parameters
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type = 'PKCS1', array $options = [])
    {
        $type = self::validatePlugin('Keys', 'PKCS1', 'saveParameters');

        return $type::saveParameters($this->prime, $this->base, $options);
    }
}
PK     úˆU]Þ_qU  U  ;  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/PublicKey.phpnu „[µü¤        <?php

/**
 * DH Public Key
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DH;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\DH;

/**
 * DH Public Key
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PublicKey extends DH
{
    use Common\Traits\Fingerprint;

    /**
     * Returns the public key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePublicKey');

        return $type::savePublicKey($this->prime, $this->base, $this->publicKey, $options);
    }

    /**
     * Returns the public key as a BigInteger
     *
     * @return \phpseclib3\Math\BigInteger
     */
    public function toBigInteger()
    {
        return $this->publicKey;
    }
}
PK     úˆU]
×Æç¡U  ¡U  2  vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of RC2.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * Useful resources are as follows:
 *
 *  - {@link http://tools.ietf.org/html/rfc2268}
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $rc2 = new \phpseclib3\Crypt\RC2('ctr');
 *
 *    $rc2->setKey('abcdefgh');
 *
 *    $plaintext = str_repeat('a', 1024);
 *
 *    echo $rc2->decrypt($rc2->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category Crypt
 * @package  RC2
 * @author   Patrick Monnerat <pm@datasphere.ch>
 * @license  http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link     http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\BlockCipher;
use phpseclib3\Exception\BadModeException;

/**
 * Pure-PHP implementation of RC2.
 *
 * @package RC2
 * @access  public
 */
class RC2 extends BlockCipher
{
    /**
     * Block Length of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size
     * @var int
     * @access private
     */
    protected $block_size = 8;

    /**
     * The Key
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::key
     * @see self::setKey()
     * @var string
     * @access private
     */
    protected $key;

    /**
     * The Original (unpadded) Key
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::key
     * @see self::setKey()
     * @see self::encrypt()
     * @see self::decrypt()
     * @var string
     * @access private
     */
    private $orig_key;

    /**
     * Don't truncate / null pad key
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::clearBuffers()
     * @var bool
     * @access private
     */
    private $skip_key_adjustment = true;

    /**
     * Key Length (in bytes)
     *
     * @see \phpseclib3\Crypt\RC2::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 16; // = 128 bits

    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'rc2';

    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 500;

    /**
     * The key length in bits.
     *
     * {@internal Should be in range [1..1024].}
     *
     * {@internal Changing this value after setting the key has no effect.}
     *
     * @see self::setKeyLength()
     * @see self::setKey()
     * @var int
     * @access private
     */
    private $default_key_length = 1024;

    /**
     * The key length in bits.
     *
     * {@internal Should be in range [1..1024].}
     *
     * @see self::isValidEnine()
     * @see self::setKey()
     * @var int
     * @access private
     */
    private $current_key_length;

    /**
     * The Key Schedule
     *
     * @see self::setupKey()
     * @var array
     * @access private
     */
    private $keys;

    /**
     * Key expansion randomization table.
     * Twice the same 256-value sequence to save a modulus in key expansion.
     *
     * @see self::setKey()
     * @var array
     * @access private
     */
    private static $pitable = [
        0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED,
        0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D,
        0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E,
        0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2,
        0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13,
        0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32,
        0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B,
        0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82,
        0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C,
        0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC,
        0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1,
        0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26,
        0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57,
        0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03,
        0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7,
        0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7,
        0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7,
        0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A,
        0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74,
        0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC,
        0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC,
        0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39,
        0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A,
        0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31,
        0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE,
        0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9,
        0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C,
        0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9,
        0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0,
        0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E,
        0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77,
        0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD,
        0xD9, 0x78, 0xF9, 0xC4, 0x19, 0xDD, 0xB5, 0xED,
        0x28, 0xE9, 0xFD, 0x79, 0x4A, 0xA0, 0xD8, 0x9D,
        0xC6, 0x7E, 0x37, 0x83, 0x2B, 0x76, 0x53, 0x8E,
        0x62, 0x4C, 0x64, 0x88, 0x44, 0x8B, 0xFB, 0xA2,
        0x17, 0x9A, 0x59, 0xF5, 0x87, 0xB3, 0x4F, 0x13,
        0x61, 0x45, 0x6D, 0x8D, 0x09, 0x81, 0x7D, 0x32,
        0xBD, 0x8F, 0x40, 0xEB, 0x86, 0xB7, 0x7B, 0x0B,
        0xF0, 0x95, 0x21, 0x22, 0x5C, 0x6B, 0x4E, 0x82,
        0x54, 0xD6, 0x65, 0x93, 0xCE, 0x60, 0xB2, 0x1C,
        0x73, 0x56, 0xC0, 0x14, 0xA7, 0x8C, 0xF1, 0xDC,
        0x12, 0x75, 0xCA, 0x1F, 0x3B, 0xBE, 0xE4, 0xD1,
        0x42, 0x3D, 0xD4, 0x30, 0xA3, 0x3C, 0xB6, 0x26,
        0x6F, 0xBF, 0x0E, 0xDA, 0x46, 0x69, 0x07, 0x57,
        0x27, 0xF2, 0x1D, 0x9B, 0xBC, 0x94, 0x43, 0x03,
        0xF8, 0x11, 0xC7, 0xF6, 0x90, 0xEF, 0x3E, 0xE7,
        0x06, 0xC3, 0xD5, 0x2F, 0xC8, 0x66, 0x1E, 0xD7,
        0x08, 0xE8, 0xEA, 0xDE, 0x80, 0x52, 0xEE, 0xF7,
        0x84, 0xAA, 0x72, 0xAC, 0x35, 0x4D, 0x6A, 0x2A,
        0x96, 0x1A, 0xD2, 0x71, 0x5A, 0x15, 0x49, 0x74,
        0x4B, 0x9F, 0xD0, 0x5E, 0x04, 0x18, 0xA4, 0xEC,
        0xC2, 0xE0, 0x41, 0x6E, 0x0F, 0x51, 0xCB, 0xCC,
        0x24, 0x91, 0xAF, 0x50, 0xA1, 0xF4, 0x70, 0x39,
        0x99, 0x7C, 0x3A, 0x85, 0x23, 0xB8, 0xB4, 0x7A,
        0xFC, 0x02, 0x36, 0x5B, 0x25, 0x55, 0x97, 0x31,
        0x2D, 0x5D, 0xFA, 0x98, 0xE3, 0x8A, 0x92, 0xAE,
        0x05, 0xDF, 0x29, 0x10, 0x67, 0x6C, 0xBA, 0xC9,
        0xD3, 0x00, 0xE6, 0xCF, 0xE1, 0x9E, 0xA8, 0x2C,
        0x63, 0x16, 0x01, 0x3F, 0x58, 0xE2, 0x89, 0xA9,
        0x0D, 0x38, 0x34, 0x1B, 0xAB, 0x33, 0xFF, 0xB0,
        0xBB, 0x48, 0x0C, 0x5F, 0xB9, 0xB1, 0xCD, 0x2E,
        0xC5, 0xF3, 0xDB, 0x47, 0xE5, 0xA5, 0x9C, 0x77,
        0x0A, 0xA6, 0x20, 0x68, 0xFE, 0x7F, 0xC1, 0xAD
    ];

    /**
     * Inverse key expansion randomization table.
     *
     * @see self::setKey()
     * @var array
     * @access private
     */
    private static $invpitable = [
        0xD1, 0xDA, 0xB9, 0x6F, 0x9C, 0xC8, 0x78, 0x66,
        0x80, 0x2C, 0xF8, 0x37, 0xEA, 0xE0, 0x62, 0xA4,
        0xCB, 0x71, 0x50, 0x27, 0x4B, 0x95, 0xD9, 0x20,
        0x9D, 0x04, 0x91, 0xE3, 0x47, 0x6A, 0x7E, 0x53,
        0xFA, 0x3A, 0x3B, 0xB4, 0xA8, 0xBC, 0x5F, 0x68,
        0x08, 0xCA, 0x8F, 0x14, 0xD7, 0xC0, 0xEF, 0x7B,
        0x5B, 0xBF, 0x2F, 0xE5, 0xE2, 0x8C, 0xBA, 0x12,
        0xE1, 0xAF, 0xB2, 0x54, 0x5D, 0x59, 0x76, 0xDB,
        0x32, 0xA2, 0x58, 0x6E, 0x1C, 0x29, 0x64, 0xF3,
        0xE9, 0x96, 0x0C, 0x98, 0x19, 0x8D, 0x3E, 0x26,
        0xAB, 0xA5, 0x85, 0x16, 0x40, 0xBD, 0x49, 0x67,
        0xDC, 0x22, 0x94, 0xBB, 0x3C, 0xC1, 0x9B, 0xEB,
        0x45, 0x28, 0x18, 0xD8, 0x1A, 0x42, 0x7D, 0xCC,
        0xFB, 0x65, 0x8E, 0x3D, 0xCD, 0x2A, 0xA3, 0x60,
        0xAE, 0x93, 0x8A, 0x48, 0x97, 0x51, 0x15, 0xF7,
        0x01, 0x0B, 0xB7, 0x36, 0xB1, 0x2E, 0x11, 0xFD,
        0x84, 0x2D, 0x3F, 0x13, 0x88, 0xB3, 0x34, 0x24,
        0x1B, 0xDE, 0xC5, 0x1D, 0x4D, 0x2B, 0x17, 0x31,
        0x74, 0xA9, 0xC6, 0x43, 0x6D, 0x39, 0x90, 0xBE,
        0xC3, 0xB0, 0x21, 0x6B, 0xF6, 0x0F, 0xD5, 0x99,
        0x0D, 0xAC, 0x1F, 0x5C, 0x9E, 0xF5, 0xF9, 0x4C,
        0xD6, 0xDF, 0x89, 0xE4, 0x8B, 0xFF, 0xC7, 0xAA,
        0xE7, 0xED, 0x46, 0x25, 0xB6, 0x06, 0x5E, 0x35,
        0xB5, 0xEC, 0xCE, 0xE8, 0x6C, 0x30, 0x55, 0x61,
        0x4A, 0xFE, 0xA0, 0x79, 0x03, 0xF0, 0x10, 0x72,
        0x7C, 0xCF, 0x52, 0xA6, 0xA7, 0xEE, 0x44, 0xD3,
        0x9A, 0x57, 0x92, 0xD0, 0x5A, 0x7A, 0x41, 0x7F,
        0x0E, 0x00, 0x63, 0xF2, 0x4F, 0x05, 0x83, 0xC9,
        0xA1, 0xD4, 0xDD, 0xC4, 0x56, 0xF4, 0xD2, 0x77,
        0x81, 0x09, 0x82, 0x33, 0x9F, 0x07, 0x86, 0x75,
        0x38, 0x4E, 0x69, 0xF1, 0xAD, 0x23, 0x73, 0x87,
        0x70, 0x02, 0xC2, 0x1E, 0xB8, 0x0A, 0xFC, 0xE6
    ];

    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws \InvalidArgumentException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

        if ($this->mode == self::MODE_STREAM) {
            throw new BadModeException('Block ciphers cannot be ran in stream mode');
        }
    }

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        switch ($engine) {
            case self::ENGINE_OPENSSL:
                if ($this->current_key_length != 128 || strlen($this->orig_key) < 16) {
                    return false;
                }
                $this->cipher_name_openssl_ecb = 'rc2-ecb';
                $this->cipher_name_openssl = 'rc2-' . $this->openssl_translate_mode();
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Sets the key length.
     *
     * Valid key lengths are 8 to 1024.
     * Calling this function after setting the key has no effect until the next
     *  \phpseclib3\Crypt\RC2::setKey() call.
     *
     * @access public
     * @param int $length in bits
     * @throws \LengthException if the key length isn't supported
     */
    public function setKeyLength($length)
    {
        if ($length < 8 || $length > 1024) {
            throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 1024 bits, inclusive, are supported');
        }

        $this->default_key_length = $this->current_key_length = $length;
        $this->explicit_key_length = $length >> 3;
    }

    /**
     * Returns the current key length
     *
     * @access public
     * @return int
     */
    public function getKeyLength()
    {
        return $this->current_key_length;
    }

    /**
     * Sets the key.
     *
     * Keys can be of any length. RC2, itself, uses 8 to 1024 bit keys (eg.
     * strlen($key) <= 128), however, we only use the first 128 bytes if $key
     * has more then 128 bytes in it, and set $key to a single null byte if
     * it is empty.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setKey()
     * @access public
     * @param string $key
     * @param int|boolean $t1 optional Effective key length in bits.
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key, $t1 = false)
    {
        $this->orig_key = $key;

        if ($t1 === false) {
            $t1 = $this->default_key_length;
        }

        if ($t1 < 1 || $t1 > 1024) {
            throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 1024 bits, inclusive, are supported');
        }

        $this->current_key_length = $t1;
        if (strlen($key) < 1 || strlen($key) > 128) {
            throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes between 8 and 1024 bits, inclusive, are supported');
        }

        $t = strlen($key);

        // The mcrypt RC2 implementation only supports effective key length
        // of 1024 bits. It is however possible to handle effective key
        // lengths in range 1..1024 by expanding the key and applying
        // inverse pitable mapping to the first byte before submitting it
        // to mcrypt.

        // Key expansion.
        $l = array_values(unpack('C*', $key));
        $t8 = ($t1 + 7) >> 3;
        $tm = 0xFF >> (8 * $t8 - $t1);

        // Expand key.
        $pitable = self::$pitable;
        for ($i = $t; $i < 128; $i++) {
            $l[$i] = $pitable[$l[$i - 1] + $l[$i - $t]];
        }
        $i = 128 - $t8;
        $l[$i] = $pitable[$l[$i] & $tm];
        while ($i--) {
            $l[$i] = $pitable[$l[$i + 1] ^ $l[$i + $t8]];
        }

        // Prepare the key for mcrypt.
        $l[0] = self::$invpitable[$l[0]];
        array_unshift($l, 'C*');

        $this->key = pack(...$l);
        $this->key_length = strlen($this->key);
        $this->changed = $this->nonIVChanged = true;
        $this->setEngine();
    }

    /**
     * Encrypts a message.
     *
     * Mostly a wrapper for \phpseclib3\Crypt\Common\SymmetricKey::encrypt, with some additional OpenSSL handling code
     *
     * @see self::decrypt()
     * @access public
     * @param string $plaintext
     * @return string $ciphertext
     */
    public function encrypt($plaintext)
    {
        if ($this->engine == self::ENGINE_OPENSSL) {
            $temp = $this->key;
            $this->key = $this->orig_key;
            $result = parent::encrypt($plaintext);
            $this->key = $temp;
            return $result;
        }

        return parent::encrypt($plaintext);
    }

    /**
     * Decrypts a message.
     *
     * Mostly a wrapper for \phpseclib3\Crypt\Common\SymmetricKey::decrypt, with some additional OpenSSL handling code
     *
     * @see self::encrypt()
     * @access public
     * @param string $ciphertext
     * @return string $plaintext
     */
    public function decrypt($ciphertext)
    {
        if ($this->engine == self::ENGINE_OPENSSL) {
            $temp = $this->key;
            $this->key = $this->orig_key;
            $result = parent::decrypt($ciphertext);
            $this->key = $temp;
            return $result;
        }

        return parent::decrypt($ciphertext);
    }

    /**
     * Encrypts a block
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encryptBlock()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {
        list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in));
        $keys = $this->keys;
        $limit = 20;
        $actions = [$limit => 44, 44 => 64];
        $j = 0;

        for (;;) {
            // Mixing round.
            $r0 = (($r0 + $keys[$j++] + ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1;
            $r0 |= $r0 >> 16;
            $r1 = (($r1 + $keys[$j++] + ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2;
            $r1 |= $r1 >> 16;
            $r2 = (($r2 + $keys[$j++] + ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3;
            $r2 |= $r2 >> 16;
            $r3 = (($r3 + $keys[$j++] + ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5;
            $r3 |= $r3 >> 16;

            if ($j === $limit) {
                if ($limit === 64) {
                    break;
                }

                // Mashing round.
                $r0 += $keys[$r3 & 0x3F];
                $r1 += $keys[$r0 & 0x3F];
                $r2 += $keys[$r1 & 0x3F];
                $r3 += $keys[$r2 & 0x3F];
                $limit = $actions[$limit];
            }
        }

        return pack('vvvv', $r0, $r1, $r2, $r3);
    }

    /**
     * Decrypts a block
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decryptBlock()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {
        list($r0, $r1, $r2, $r3) = array_values(unpack('v*', $in));
        $keys = $this->keys;
        $limit = 44;
        $actions = [$limit => 20, 20 => 0];
        $j = 64;

        for (;;) {
            // R-mixing round.
            $r3 = ($r3 | ($r3 << 16)) >> 5;
            $r3 = ($r3 - $keys[--$j] - ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF;
            $r2 = ($r2 | ($r2 << 16)) >> 3;
            $r2 = ($r2 - $keys[--$j] - ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF;
            $r1 = ($r1 | ($r1 << 16)) >> 2;
            $r1 = ($r1 - $keys[--$j] - ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF;
            $r0 = ($r0 | ($r0 << 16)) >> 1;
            $r0 = ($r0 - $keys[--$j] - ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;

            if ($j === $limit) {
                if ($limit === 0) {
                    break;
                }

                // R-mashing round.
                $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF;
                $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF;
                $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF;
                $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;
                $limit = $actions[$limit];
            }
        }

        return pack('vvvv', $r0, $r1, $r2, $r3);
    }

    /**
     * Creates the key schedule
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupKey()
     * @access private
     */
    protected function setupKey()
    {
        if (!isset($this->key)) {
            $this->setKey('');
        }

        // Key has already been expanded in \phpseclib3\Crypt\RC2::setKey():
        // Only the first value must be altered.
        $l = unpack('Ca/Cb/v*', $this->key);
        array_unshift($l, self::$pitable[$l['a']] | ($l['b'] << 8));
        unset($l['a']);
        unset($l['b']);
        $this->keys = $l;
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        // Init code for both, encrypt and decrypt.
        $init_crypt = '$keys = $this->keys;';

        $keys = $this->keys;

        // $in is the current 8 bytes block which has to be en/decrypt
        $encrypt_block = $decrypt_block = '
            $in = unpack("v4", $in);
            $r0 = $in[1];
            $r1 = $in[2];
            $r2 = $in[3];
            $r3 = $in[4];
        ';

        // Create code for encryption.
        $limit = 20;
        $actions = [$limit => 44, 44 => 64];
        $j = 0;

        for (;;) {
            // Mixing round.
            $encrypt_block .= '
                $r0 = (($r0 + ' . $keys[$j++] . ' +
                       ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF) << 1;
                $r0 |= $r0 >> 16;
                $r1 = (($r1 + ' . $keys[$j++] . ' +
                       ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF) << 2;
                $r1 |= $r1 >> 16;
                $r2 = (($r2 + ' . $keys[$j++] . ' +
                       ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF) << 3;
                $r2 |= $r2 >> 16;
                $r3 = (($r3 + ' . $keys[$j++] . ' +
                       ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF) << 5;
                $r3 |= $r3 >> 16;';

            if ($j === $limit) {
                if ($limit === 64) {
                    break;
                }

                // Mashing round.
                $encrypt_block .= '
                    $r0 += $keys[$r3 & 0x3F];
                    $r1 += $keys[$r0 & 0x3F];
                    $r2 += $keys[$r1 & 0x3F];
                    $r3 += $keys[$r2 & 0x3F];';
                $limit = $actions[$limit];
            }
        }

        $encrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);';

        // Create code for decryption.
        $limit = 44;
        $actions = [$limit => 20, 20 => 0];
        $j = 64;

        for (;;) {
            // R-mixing round.
            $decrypt_block .= '
                $r3 = ($r3 | ($r3 << 16)) >> 5;
                $r3 = ($r3 - ' . $keys[--$j] . ' -
                       ((($r0 ^ $r1) & $r2) ^ $r0)) & 0xFFFF;
                $r2 = ($r2 | ($r2 << 16)) >> 3;
                $r2 = ($r2 - ' . $keys[--$j] . ' -
                       ((($r3 ^ $r0) & $r1) ^ $r3)) & 0xFFFF;
                $r1 = ($r1 | ($r1 << 16)) >> 2;
                $r1 = ($r1 - ' . $keys[--$j] . ' -
                       ((($r2 ^ $r3) & $r0) ^ $r2)) & 0xFFFF;
                $r0 = ($r0 | ($r0 << 16)) >> 1;
                $r0 = ($r0 - ' . $keys[--$j] . ' -
                       ((($r1 ^ $r2) & $r3) ^ $r1)) & 0xFFFF;';

            if ($j === $limit) {
                if ($limit === 0) {
                    break;
                }

                // R-mashing round.
                $decrypt_block .= '
                    $r3 = ($r3 - $keys[$r2 & 0x3F]) & 0xFFFF;
                    $r2 = ($r2 - $keys[$r1 & 0x3F]) & 0xFFFF;
                    $r1 = ($r1 - $keys[$r0 & 0x3F]) & 0xFFFF;
                    $r0 = ($r0 - $keys[$r3 & 0x3F]) & 0xFFFF;';
                $limit = $actions[$limit];
            }
        }

        $decrypt_block .= '$in = pack("v4", $r0, $r1, $r2, $r3);';

        // Creates the inline-crypt function
        $this->inline_crypt = $this->createInlineCryptFunction(
            [
               'init_crypt'    => $init_crypt,
               'encrypt_block' => $encrypt_block,
               'decrypt_block' => $decrypt_block
            ]
        );
    }
}
PK     úˆU]fë‡‚–3  –3  1  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of EC.
 *
 * PHP version 5
 *
 * Here's an example of how to create signatures and verify signatures with this library:
 * <code>
 * <?php
 * include 'vendor/autoload.php';
 *
 * $private = \phpseclib3\Crypt\EC::createKey('secp256k1');
 * $public = $private->getPublicKey();
 *
 * $plaintext = 'terrafrost';
 *
 * $signature = $private->sign($plaintext);
 *
 * echo $public->verify($plaintext, $signature) ? 'verified' : 'unverified';
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Crypt\EC\Curves\Ed448;
use phpseclib3\Crypt\EC\Formats\Keys\PKCS1;
use phpseclib3\Crypt\EC\Parameters;
use phpseclib3\Crypt\EC\PrivateKey;
use phpseclib3\Crypt\EC\PublicKey;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\Exception\UnsupportedOperationException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps\ECParameters;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP implementation of EC.
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EC extends AsymmetricKey
{
    /**
     * Algorithm Name
     *
     * @var string
     * @access private
     */
    const ALGORITHM = 'EC';

    /**
     * Public Key QA
     *
     * @var object[]
     */
    protected $QA;

    /**
     * Curve
     *
     * @var \phpseclib3\Crypt\EC\BaseCurves\Base
     */
    protected $curve;

    /**
     * Signature Format
     *
     * @var string
     * @access private
     */
    protected $format;

    /**
     * Signature Format (Short)
     *
     * @var string
     * @access private
     */
    protected $shortFormat;

    /**
     * Curve Name
     *
     * @var string
     */
    private $curveName;

    /**
     * Curve Order
     *
     * Used for deterministic ECDSA
     *
     * @var \phpseclib3\Math\BigInteger
     */
    protected $q;

    /**
     * Alias for the private key
     *
     * Used for deterministic ECDSA. AsymmetricKey expects $x. I don't like x because
     * with x you have x * the base point yielding an (x, y)-coordinate that is the
     * public key. But the x is different depending on which side of the equal sign
     * you're on. It's less ambiguous if you do dA * base point = (x, y)-coordinate.
     *
     * @var \phpseclib3\Math\BigInteger
     */
    protected $x;

    /**
     * Context
     *
     * @var string
     */
    protected $context;

    /**
     * Create public / private key pair.
     *
     * @access public
     * @param string $curve
     * @return \phpseclib3\Crypt\EC\PrivateKey
     */
    public static function createKey($curve)
    {
        self::initialize_static_variables();

        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }

        $curve = strtolower($curve);
        if (self::$engines['libsodium'] && $curve == 'ed25519' && function_exists('sodium_crypto_sign_keypair')) {
            $kp = sodium_crypto_sign_keypair();

            $privatekey = EC::loadFormat('libsodium', sodium_crypto_sign_secretkey($kp));
            //$publickey = EC::loadFormat('libsodium', sodium_crypto_sign_publickey($kp));

            $privatekey->curveName = 'Ed25519';
            //$publickey->curveName = $curve;

            return $privatekey;
        }

        $privatekey = new PrivateKey();

        $curveName = $curve;
        if (preg_match('#(?:^curve|^ed)\d+$#', $curveName)) {
            $curveName = ucfirst($curveName);
        } elseif (substr($curveName, 0, 10) == 'brainpoolp') {
            $curveName = 'brainpoolP' . substr($curveName, 10);
        }
        $curve = '\phpseclib3\Crypt\EC\Curves\\' . $curveName;

        if (!class_exists($curve)) {
            throw new UnsupportedCurveException('Named Curve of ' . $curveName . ' is not supported');
        }

        $reflect = new \ReflectionClass($curve);
        $curveName = $reflect->isFinal() ?
            $reflect->getParentClass()->getShortName() :
            $reflect->getShortName();

        $curve = new $curve();
        $privatekey->dA = $dA = $curve->createRandomMultiplier();
        if ($curve instanceof Curve25519 && self::$engines['libsodium']) {
            //$r = pack('H*', '0900000000000000000000000000000000000000000000000000000000000000');
            //$QA = sodium_crypto_scalarmult($dA->toBytes(), $r);
            $QA = sodium_crypto_box_publickey_from_secretkey($dA->toBytes());
            $privatekey->QA = [$curve->convertInteger(new BigInteger(strrev($QA), 256))];
        } else {
            $privatekey->QA = $curve->multiplyPoint($curve->getBasePoint(), $dA);
        }
        $privatekey->curve = $curve;

        //$publickey = clone $privatekey;
        //unset($publickey->dA);
        //unset($publickey->x);

        $privatekey->curveName = $curveName;
        //$publickey->curveName = $curveName;

        if ($privatekey->curve instanceof TwistedEdwardsCurve) {
            return $privatekey->withHash($curve::HASH);
        }

        return $privatekey;
    }

    /**
     * OnLoad Handler
     *
     * @return bool
     * @access protected
     * @param array $components
     */
    protected static function onLoad($components)
    {
        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }

        if (!isset($components['dA']) && !isset($components['QA'])) {
            $new = new Parameters();
            $new->curve = $components['curve'];
            return $new;
        }

        $new = isset($components['dA']) ?
            new PrivateKey() :
            new PublicKey();
        $new->curve = $components['curve'];
        $new->QA = $components['QA'];

        if (isset($components['dA'])) {
            $new->dA = $components['dA'];
        }

        if ($new->curve instanceof TwistedEdwardsCurve) {
            return $new->withHash($components['curve']::HASH);
        }

        return $new;
    }

    /**
     * Constructor
     *
     * PublicKey and PrivateKey objects can only be created from abstract RSA class
     */
    protected function __construct()
    {
        $this->sigFormat = self::validatePlugin('Signature', 'ASN1');
        $this->shortFormat = 'ASN1';

        parent::__construct();
    }

    /**
     * Returns the curve
     *
     * Returns a string if it's a named curve, an array if not
     *
     * @access public
     * @return string|array
     */
    public function getCurve()
    {
        if ($this->curveName) {
            return $this->curveName;
        }

        if ($this->curve instanceof MontgomeryCurve) {
            $this->curveName = $this->curve instanceof Curve25519 ? 'Curve25519' : 'Curve448';
            return $this->curveName;
        }

        if ($this->curve instanceof TwistedEdwardsCurve) {
            $this->curveName = $this->curve instanceof Ed25519 ? 'Ed25519' : 'Ed448';
            return $this->curveName;
        }

        $params = $this->getParameters()->toString('PKCS8', ['namedCurve' => true]);
        $decoded = ASN1::extractBER($params);
        $decoded = ASN1::decodeBER($decoded);
        $decoded = ASN1::asn1map($decoded[0], ECParameters::MAP);
        if (isset($decoded['namedCurve'])) {
            $this->curveName = $decoded['namedCurve'];
            return $decoded['namedCurve'];
        }

        if (!$namedCurves) {
            PKCS1::useSpecifiedCurve();
        }

        return $decoded;
    }

    /**
     * Returns the key size
     *
     * Quoting https://tools.ietf.org/html/rfc5656#section-2,
     *
     * "The size of a set of elliptic curve domain parameters on a prime
     *  curve is defined as the number of bits in the binary representation
     *  of the field order, commonly denoted by p.  Size on a
     *  characteristic-2 curve is defined as the number of bits in the binary
     *  representation of the field, commonly denoted by m.  A set of
     *  elliptic curve domain parameters defines a group of order n generated
     *  by a base point P"
     *
     * @access public
     * @return int
     */
    public function getLength()
    {
        return $this->curve->getLength();
    }

    /**
     * Returns the current engine being used
     *
     * @see self::useInternalEngine()
     * @see self::useBestEngine()
     * @access public
     * @return string
     */
    public function getEngine()
    {
        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }
        if ($this->curve instanceof TwistedEdwardsCurve) {
            return $this->curve instanceof Ed25519 && self::$engines['libsodium'] && !isset($this->context) ?
                'libsodium' : 'PHP';
        }

        return self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods()) ?
            'OpenSSL' : 'PHP';
    }

    /**
     * Returns the public key coordinates as a string
     *
     * Used by ECDH
     *
     * @return string
     */
    public function getEncodedCoordinates()
    {
        if ($this->curve instanceof MontgomeryCurve) {
            return strrev($this->QA[0]->toBytes(true));
        }
        if ($this->curve instanceof TwistedEdwardsCurve) {
            return $this->curve->encodePoint($this->QA);
        }
        return "\4" . $this->QA[0]->toBytes(true) . $this->QA[1]->toBytes(true);
    }

    /**
     * Returns the parameters
     *
     * @see self::getPublicKey()
     * @access public
     * @param string $type optional
     * @return mixed
     */
    public function getParameters($type = 'PKCS1')
    {
        $type = self::validatePlugin('Keys', $type, 'saveParameters');

        $key = $type::saveParameters($this->curve);

        return EC::load($key, 'PKCS1')
            ->withHash($this->hash->getHash())
            ->withSignatureFormat($this->shortFormat);
    }

    /**
     * Determines the signature padding mode
     *
     * Valid values are: ASN1, SSH2, Raw
     *
     * @access public
     * @param string $format
     */
    public function withSignatureFormat($format)
    {
        if ($this->curve instanceof MontgomeryCurve) {
            throw new UnsupportedOperationException('Montgomery Curves cannot be used to create signatures');
        }

        $new = clone $this;
        $new->shortFormat = $format;
        $new->sigFormat = self::validatePlugin('Signature', $format);
        return $new;
    }

    /**
     * Returns the signature format currently being used
     *
     * @access public
     */
    public function getSignatureFormat()
    {
        return $this->shortFormat;
    }

    /**
     * Sets the context
     *
     * Used by Ed25519 / Ed448.
     *
     * @see self::sign()
     * @see self::verify()
     * @access public
     * @param string $context optional
     */
    public function withContext($context = null)
    {
        if (!$this->curve instanceof TwistedEdwardsCurve) {
            throw new UnsupportedCurveException('Only Ed25519 and Ed448 support contexts');
        }

        $new = clone $this;
        if (!isset($context)) {
            $new->context = null;
            return $new;
        }
        if (!is_string($context)) {
            throw new \InvalidArgumentException('setContext expects a string');
        }
        if (strlen($context) > 255) {
            throw new \LengthException('The context is supposed to be, at most, 255 bytes long');
        }
        $new->context = $context;
        return $new;
    }

    /**
     * Returns the signature format currently being used
     *
     * @access public
     */
    public function getContext()
    {
        return $this->context;
    }

    /**
     * Determines which hashing function should be used
     *
     * @access public
     * @param string $hash
     */
    public function withHash($hash)
    {
        if ($this->curve instanceof MontgomeryCurve) {
            throw new UnsupportedOperationException('Montgomery Curves cannot be used to create signatures');
        }
        if ($this->curve instanceof Ed25519 && $hash != 'sha512') {
            throw new UnsupportedAlgorithmException('Ed25519 only supports sha512 as a hash');
        }
        if ($this->curve instanceof Ed448 && $hash != 'shake256-912') {
            throw new UnsupportedAlgorithmException('Ed448 only supports shake256 with a length of 114 bytes');
        }

        return parent::withHash($hash);
    }

    /**
     * __toString() magic method
     *
     * @return string
     */
    public function __toString()
    {
        if ($this->curve instanceof MontgomeryCurve) {
            return '';
        }

        return parent::__toString();
    }
}
PK     úˆU]å·†
®  
®  7  vendor/phpseclib/phpseclib/phpseclib/Crypt/Rijndael.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of Rijndael.
 *
 * Uses mcrypt, if available/possible, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * If {@link self::setBlockLength() setBlockLength()} isn't called, it'll be assumed to be 128 bits.  If
 * {@link self::setKeyLength() setKeyLength()} isn't called, it'll be calculated from
 * {@link self::setKey() setKey()}.  ie. if the key is 128-bits, the key length will be 128-bits.  If it's
 * 136-bits it'll be null-padded to 192-bits and 192 bits will be the key length until
 * {@link self::setKey() setKey()} is called, again, at which point, it'll be recalculated.
 *
 * Not all Rijndael implementations may support 160-bits or 224-bits as the block length / key length.  mcrypt, for example,
 * does not.  AES, itself, only supports block lengths of 128 and key lengths of 128, 192, and 256.
 * {@link http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=10 Rijndael-ammended.pdf#page=10} defines the
 * algorithm for block lengths of 192 and 256 but not for block lengths / key lengths of 160 and 224.  Indeed, 160 and 224
 * are first defined as valid key / block lengths in
 * {@link http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=44 Rijndael-ammended.pdf#page=44}:
 * Extensions: Other block and Cipher Key lengths.
 * Note: Use of 160/224-bit Keys must be explicitly set by setKeyLength(160) respectively setKeyLength(224).
 *
 * {@internal The variable names are the same as those in
 * {@link http://www.csrc.nist.gov/publications/fips/fips197/fips-197.pdf#page=10 fips-197.pdf#page=10}.}}
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $rijndael = new \phpseclib3\Crypt\Rijndael('ctr');
 *
 *    $rijndael->setKey('abcdefghijklmnop');
 *
 *    $size = 10 * 1024;
 *    $plaintext = '';
 *    for ($i = 0; $i < $size; $i++) {
 *        $plaintext.= 'a';
 *    }
 *
 *    echo $rijndael->decrypt($rijndael->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Rijndael
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2008 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\BlockCipher;
use phpseclib3\Exception\BadDecryptionException;
use phpseclib3\Exception\BadModeException;
use phpseclib3\Exception\InconsistentSetupException;
use phpseclib3\Exception\InsufficientSetupException;

/**
 * Pure-PHP implementation of Rijndael.
 *
 * @package Rijndael
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Rijndael extends BlockCipher
{
    /**
     * The mcrypt specific name of the cipher
     *
     * Mcrypt is useable for 128/192/256-bit $block_size/$key_length. For 160/224 not.
     * \phpseclib3\Crypt\Rijndael determines automatically whether mcrypt is useable
     * or not for the current $block_size/$key_length.
     * In case of, $cipher_name_mcrypt will be set dynamically at run time accordingly.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @see \phpseclib3\Crypt\Common\SymmetricKey::engine
     * @see self::isValidEngine()
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'rijndael-128';

    /**
     * The Key Schedule
     *
     * @see self::setup()
     * @var array
     * @access private
     */
    private $w;

    /**
     * The Inverse Key Schedule
     *
     * @see self::setup()
     * @var array
     * @access private
     */
    private $dw;

    /**
     * The Block Length divided by 32
     *
     * {@internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4.  Exists in conjunction with $block_size
     *    because the encryption / decryption / key schedule creation requires this number and not $block_size.  We could
     *    derive this from $block_size or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
     *    of that, we'll just precompute it once.}
     *
     * @see self::setBlockLength()
     * @var int
     * @access private
     */
    private $Nb = 4;

    /**
     * The Key Length (in bytes)
     *
     * {@internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16.  Exists in conjunction with $Nk
     *    because the encryption / decryption / key schedule creation requires this number and not $key_length.  We could
     *    derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
     *    of that, we'll just precompute it once.}
     *
     * @see self::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 16;

    /**
     * The Key Length divided by 32
     *
     * @see self::setKeyLength()
     * @var int
     * @access private
     * @internal The max value is 256 / 32 = 8, the min value is 128 / 32 = 4
     */
    private $Nk = 4;

    /**
     * The Number of Rounds
     *
     * {@internal The max value is 14, the min value is 10.}
     *
     * @var int
     * @access private
     */
    private $Nr;

    /**
     * Shift offsets
     *
     * @var array
     * @access private
     */
    private $c;

    /**
     * Holds the last used key- and block_size information
     *
     * @var array
     * @access private
     */
    private $kl;

    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws \InvalidArgumentException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

        if ($this->mode == self::MODE_STREAM) {
            throw new BadModeException('Block ciphers cannot be ran in stream mode');
        }
    }

    /**
     * Sets the key length.
     *
     * Valid key lengths are 128, 160, 192, 224, and 256.
     *
     * Note: phpseclib extends Rijndael (and AES) for using 160- and 224-bit keys but they are officially not defined
     *       and the most (if not all) implementations are not able using 160/224-bit keys but round/pad them up to
     *       192/256 bits as, for example, mcrypt will do.
     *
     *       That said, if you want be compatible with other Rijndael and AES implementations,
     *       you should not setKeyLength(160) or setKeyLength(224).
     *
     * Additional: In case of 160- and 224-bit keys, phpseclib will/can, for that reason, not use
     *             the mcrypt php extension, even if available.
     *             This results then in slower encryption.
     *
     * @access public
     * @throws \LengthException if the key length is invalid
     * @param int $length
     */
    public function setKeyLength($length)
    {
        switch ($length) {
            case 128:
            case 160:
            case 192:
            case 224:
            case 256:
                $this->key_length = $length >> 3;
                break;
            default:
                throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported');
        }

        parent::setKeyLength($length);
    }

    /**
     * Sets the key.
     *
     * Rijndael supports five different key lengths
     *
     * @see setKeyLength()
     * @access public
     * @param string $key
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key)
    {
        switch (strlen($key)) {
            case 16:
            case 20:
            case 24:
            case 28:
            case 32:
                break;
            default:
                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 20, 24, 28 or 32 are supported');
        }

        parent::setKey($key);
    }

    /**
     * Sets the block length
     *
     * Valid block lengths are 128, 160, 192, 224, and 256.
     *
     * @access public
     * @param int $length
     */
    public function setBlockLength($length)
    {
        switch ($length) {
            case 128:
            case 160:
            case 192:
            case 224:
            case 256:
                break;
            default:
                throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128, 160, 192, 224 or 256 bits are supported');
        }

        $this->Nb = $length >> 5;
        $this->block_size = $length >> 3;
        $this->changed = $this->nonIVChanged = true;
        $this->setEngine();
    }

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        switch ($engine) {
            case self::ENGINE_LIBSODIUM:
                return function_exists('sodium_crypto_aead_aes256gcm_is_available') &&
                       sodium_crypto_aead_aes256gcm_is_available() &&
                       $this->mode == self::MODE_GCM &&
                       $this->key_length == 32 &&
                       $this->nonce && strlen($this->nonce) == 12 &&
                       $this->block_size == 16;
            case self::ENGINE_OPENSSL_GCM:
                if (!extension_loaded('openssl')) {
                    return false;
                }
                $methods = openssl_get_cipher_methods();
                return $this->mode == self::MODE_GCM &&
                       version_compare(PHP_VERSION, '7.1.0', '>=') &&
                       in_array('aes-' . $this->getKeyLength() . '-gcm', $methods) &&
                       $this->block_size == 16;
            case self::ENGINE_OPENSSL:
                if ($this->block_size != 16) {
                    return false;
                }
                $this->cipher_name_openssl_ecb = 'aes-' . ($this->key_length << 3) . '-ecb';
                $this->cipher_name_openssl = 'aes-' . ($this->key_length << 3) . '-' . $this->openssl_translate_mode();
                break;
            case self::ENGINE_MCRYPT:
                $this->cipher_name_mcrypt = 'rijndael-' . ($this->block_size << 3);
                if ($this->key_length % 8) { // is it a 160/224-bit key?
                    // mcrypt is not usable for them, only for 128/192/256-bit keys
                    return false;
                }
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Encrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {
        static $tables;
        if (empty($tables)) {
            $tables = &$this->getTables();
        }
        $t0   = $tables[0];
        $t1   = $tables[1];
        $t2   = $tables[2];
        $t3   = $tables[3];
        $sbox = $tables[4];

        $state = [];
        $words = unpack('N*', $in);

        $c = $this->c;
        $w = $this->w;
        $Nb = $this->Nb;
        $Nr = $this->Nr;

        // addRoundKey
        $wc = $Nb - 1;
        foreach ($words as $word) {
            $state[] = $word ^ $w[++$wc];
        }

        // fips-197.pdf#page=19, "Figure 5. Pseudo Code for the Cipher", states that this loop has four components -
        // subBytes, shiftRows, mixColumns, and addRoundKey. fips-197.pdf#page=30, "Implementation Suggestions Regarding
        // Various Platforms" suggests that performs enhanced implementations are described in Rijndael-ammended.pdf.
        // Rijndael-ammended.pdf#page=20, "Implementation aspects / 32-bit processor", discusses such an optimization.
        // Unfortunately, the description given there is not quite correct.  Per aes.spec.v316.pdf#page=19 [1],
        // equation (7.4.7) is supposed to use addition instead of subtraction, so we'll do that here, as well.

        // [1] http://fp.gladman.plus.com/cryptography_technology/rijndael/aes.spec.v316.pdf
        $temp = [];
        for ($round = 1; $round < $Nr; ++$round) {
            $i = 0; // $c[0] == 0
            $j = $c[1];
            $k = $c[2];
            $l = $c[3];

            while ($i < $Nb) {
                $temp[$i] = $t0[$state[$i] >> 24 & 0x000000FF] ^
                            $t1[$state[$j] >> 16 & 0x000000FF] ^
                            $t2[$state[$k] >>  8 & 0x000000FF] ^
                            $t3[$state[$l]       & 0x000000FF] ^
                            $w[++$wc];
                ++$i;
                $j = ($j + 1) % $Nb;
                $k = ($k + 1) % $Nb;
                $l = ($l + 1) % $Nb;
            }
            $state = $temp;
        }

        // subWord
        for ($i = 0; $i < $Nb; ++$i) {
            $state[$i] =   $sbox[$state[$i]       & 0x000000FF]        |
                          ($sbox[$state[$i] >>  8 & 0x000000FF] <<  8) |
                          ($sbox[$state[$i] >> 16 & 0x000000FF] << 16) |
                          ($sbox[$state[$i] >> 24 & 0x000000FF] << 24);
        }

        // shiftRows + addRoundKey
        $i = 0; // $c[0] == 0
        $j = $c[1];
        $k = $c[2];
        $l = $c[3];
        while ($i < $Nb) {
            $temp[$i] = ($state[$i] & 0xFF000000) ^
                        ($state[$j] & 0x00FF0000) ^
                        ($state[$k] & 0x0000FF00) ^
                        ($state[$l] & 0x000000FF) ^
                         $w[$i];
            ++$i;
            $j = ($j + 1) % $Nb;
            $k = ($k + 1) % $Nb;
            $l = ($l + 1) % $Nb;
        }

        return pack('N*', ...$temp);
    }

    /**
     * Decrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {
        static $invtables;
        if (empty($invtables)) {
            $invtables = &$this->getInvTables();
        }
        $dt0   = $invtables[0];
        $dt1   = $invtables[1];
        $dt2   = $invtables[2];
        $dt3   = $invtables[3];
        $isbox = $invtables[4];

        $state = [];
        $words = unpack('N*', $in);

        $c  = $this->c;
        $dw = $this->dw;
        $Nb = $this->Nb;
        $Nr = $this->Nr;

        // addRoundKey
        $wc = $Nb - 1;
        foreach ($words as $word) {
            $state[] = $word ^ $dw[++$wc];
        }

        $temp = [];
        for ($round = $Nr - 1; $round > 0; --$round) {
            $i = 0; // $c[0] == 0
            $j = $Nb - $c[1];
            $k = $Nb - $c[2];
            $l = $Nb - $c[3];

            while ($i < $Nb) {
                $temp[$i] = $dt0[$state[$i] >> 24 & 0x000000FF] ^
                            $dt1[$state[$j] >> 16 & 0x000000FF] ^
                            $dt2[$state[$k] >>  8 & 0x000000FF] ^
                            $dt3[$state[$l]       & 0x000000FF] ^
                            $dw[++$wc];
                ++$i;
                $j = ($j + 1) % $Nb;
                $k = ($k + 1) % $Nb;
                $l = ($l + 1) % $Nb;
            }
            $state = $temp;
        }

        // invShiftRows + invSubWord + addRoundKey
        $i = 0; // $c[0] == 0
        $j = $Nb - $c[1];
        $k = $Nb - $c[2];
        $l = $Nb - $c[3];

        while ($i < $Nb) {
            $word = ($state[$i] & 0xFF000000) |
                    ($state[$j] & 0x00FF0000) |
                    ($state[$k] & 0x0000FF00) |
                    ($state[$l] & 0x000000FF);

            $temp[$i] = $dw[$i] ^ ($isbox[$word       & 0x000000FF]        |
                                  ($isbox[$word >>  8 & 0x000000FF] <<  8) |
                                  ($isbox[$word >> 16 & 0x000000FF] << 16) |
                                  ($isbox[$word >> 24 & 0x000000FF] << 24));
            ++$i;
            $j = ($j + 1) % $Nb;
            $k = ($k + 1) % $Nb;
            $l = ($l + 1) % $Nb;
        }

        return pack('N*', ...$temp);
    }

    /**
     * Setup the self::ENGINE_INTERNAL $engine
     *
     * (re)init, if necessary, the internal cipher $engine and flush all $buffers
     * Used (only) if $engine == self::ENGINE_INTERNAL
     *
     * _setup() will be called each time if $changed === true
     * typically this happens when using one or more of following public methods:
     *
     * - setKey()
     *
     * - setIV()
     *
     * - disableContinuousBuffer()
     *
     * - First run of encrypt() / decrypt() with no init-settings
     *
     * {@internal setup() is always called before en/decryption.}
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::setKey()
     * @see self::setIV()
     * @see self::disableContinuousBuffer()
     * @access private
     */
    protected function setup()
    {
        if (!$this->changed) {
            return;
        }

        parent::setup();

        if (is_string($this->iv) && strlen($this->iv) != $this->block_size) {
            throw new InconsistentSetupException('The IV length (' . strlen($this->iv) . ') does not match the block size (' . $this->block_size . ')');
        }
    }

    /**
     * Setup the key (expansion)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupKey()
     * @access private
     */
    protected function setupKey()
    {
        // Each number in $rcon is equal to the previous number multiplied by two in Rijndael's finite field.
        // See http://en.wikipedia.org/wiki/Finite_field_arithmetic#Multiplicative_inverse
        static $rcon = [0,
            0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000,
            0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000,
            0x6C000000, 0xD8000000, 0xAB000000, 0x4D000000, 0x9A000000,
            0x2F000000, 0x5E000000, 0xBC000000, 0x63000000, 0xC6000000,
            0x97000000, 0x35000000, 0x6A000000, 0xD4000000, 0xB3000000,
            0x7D000000, 0xFA000000, 0xEF000000, 0xC5000000, 0x91000000
        ];

        if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->key_length === $this->kl['key_length'] && $this->block_size === $this->kl['block_size']) {
            // already expanded
            return;
        }
        $this->kl = ['key' => $this->key, 'key_length' => $this->key_length, 'block_size' => $this->block_size];

        $this->Nk = $this->key_length >> 2;
        // see Rijndael-ammended.pdf#page=44
        $this->Nr = max($this->Nk, $this->Nb) + 6;

        // shift offsets for Nb = 5, 7 are defined in Rijndael-ammended.pdf#page=44,
        //     "Table 8: Shift offsets in Shiftrow for the alternative block lengths"
        // shift offsets for Nb = 4, 6, 8 are defined in Rijndael-ammended.pdf#page=14,
        //     "Table 2: Shift offsets for different block lengths"
        switch ($this->Nb) {
            case 4:
            case 5:
            case 6:
                $this->c = [0, 1, 2, 3];
                break;
            case 7:
                $this->c = [0, 1, 2, 4];
                break;
            case 8:
                $this->c = [0, 1, 3, 4];
        }

        $w = array_values(unpack('N*words', $this->key));

        $length = $this->Nb * ($this->Nr + 1);
        for ($i = $this->Nk; $i < $length; $i++) {
            $temp = $w[$i - 1];
            if ($i % $this->Nk == 0) {
                // according to <http://php.net/language.types.integer>, "the size of an integer is platform-dependent".
                // on a 32-bit machine, it's 32-bits, and on a 64-bit machine, it's 64-bits. on a 32-bit machine,
                // 0xFFFFFFFF << 8 == 0xFFFFFF00, but on a 64-bit machine, it equals 0xFFFFFFFF00. as such, doing 'and'
                // with 0xFFFFFFFF (or 0xFFFFFF00) on a 32-bit machine is unnecessary, but on a 64-bit machine, it is.
                $temp = (($temp << 8) & 0xFFFFFF00) | (($temp >> 24) & 0x000000FF); // rotWord
                $temp = $this->subWord($temp) ^ $rcon[$i / $this->Nk];
            } elseif ($this->Nk > 6 && $i % $this->Nk == 4) {
                $temp = $this->subWord($temp);
            }
            $w[$i] = $w[$i - $this->Nk] ^ $temp;
        }

        // convert the key schedule from a vector of $Nb * ($Nr + 1) length to a matrix with $Nr + 1 rows and $Nb columns
        // and generate the inverse key schedule.  more specifically,
        // according to <http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=23> (section 5.3.3),
        // "The key expansion for the Inverse Cipher is defined as follows:
        //        1. Apply the Key Expansion.
        //        2. Apply InvMixColumn to all Round Keys except the first and the last one."
        // also, see fips-197.pdf#page=27, "5.3.5 Equivalent Inverse Cipher"
        list($dt0, $dt1, $dt2, $dt3) = $this->getInvTables();
        $temp = $this->w = $this->dw = [];
        for ($i = $row = $col = 0; $i < $length; $i++, $col++) {
            if ($col == $this->Nb) {
                if ($row == 0) {
                    $this->dw[0] = $this->w[0];
                } else {
                    // subWord + invMixColumn + invSubWord = invMixColumn
                    $j = 0;
                    while ($j < $this->Nb) {
                        $dw = $this->subWord($this->w[$row][$j]);
                        $temp[$j] = $dt0[$dw >> 24 & 0x000000FF] ^
                                    $dt1[$dw >> 16 & 0x000000FF] ^
                                    $dt2[$dw >>  8 & 0x000000FF] ^
                                    $dt3[$dw       & 0x000000FF];
                        $j++;
                    }
                    $this->dw[$row] = $temp;
                }

                $col = 0;
                $row++;
            }
            $this->w[$row][$col] = $w[$i];
        }

        $this->dw[$row] = $this->w[$row];

        // Converting to 1-dim key arrays (both ascending)
        $this->dw = array_reverse($this->dw);
        $w  = array_pop($this->w);
        $dw = array_pop($this->dw);
        foreach ($this->w as $r => $wr) {
            foreach ($wr as $c => $wc) {
                $w[]  = $wc;
                $dw[] = $this->dw[$r][$c];
            }
        }
        $this->w  = $w;
        $this->dw = $dw;
    }

    /**
     * Performs S-Box substitutions
     *
     * @return array
     * @access private
     * @param int $word
     */
    private function subWord($word)
    {
        static $sbox;
        if (empty($sbox)) {
            list(, , , , $sbox) = self::getTables();
        }

        return  $sbox[$word       & 0x000000FF]        |
               ($sbox[$word >>  8 & 0x000000FF] <<  8) |
               ($sbox[$word >> 16 & 0x000000FF] << 16) |
               ($sbox[$word >> 24 & 0x000000FF] << 24);
    }

    /**
     * Provides the mixColumns and sboxes tables
     *
     * @see self::encryptBlock()
     * @see self::setupInlineCrypt()
     * @see self::subWord()
     * @access private
     * @return array &$tables
     */
    protected function &getTables()
    {
        static $tables;
        if (empty($tables)) {
            // according to <http://csrc.nist.gov/archive/aes/rijndael/Rijndael-ammended.pdf#page=19> (section 5.2.1),
            // precomputed tables can be used in the mixColumns phase. in that example, they're assigned t0...t3, so
            // those are the names we'll use.
            $t3 = array_map('intval', [
                // with array_map('intval', ...) we ensure we have only int's and not
                // some slower floats converted by php automatically on high values
                0x6363A5C6, 0x7C7C84F8, 0x777799EE, 0x7B7B8DF6, 0xF2F20DFF, 0x6B6BBDD6, 0x6F6FB1DE, 0xC5C55491,
                0x30305060, 0x01010302, 0x6767A9CE, 0x2B2B7D56, 0xFEFE19E7, 0xD7D762B5, 0xABABE64D, 0x76769AEC,
                0xCACA458F, 0x82829D1F, 0xC9C94089, 0x7D7D87FA, 0xFAFA15EF, 0x5959EBB2, 0x4747C98E, 0xF0F00BFB,
                0xADADEC41, 0xD4D467B3, 0xA2A2FD5F, 0xAFAFEA45, 0x9C9CBF23, 0xA4A4F753, 0x727296E4, 0xC0C05B9B,
                0xB7B7C275, 0xFDFD1CE1, 0x9393AE3D, 0x26266A4C, 0x36365A6C, 0x3F3F417E, 0xF7F702F5, 0xCCCC4F83,
                0x34345C68, 0xA5A5F451, 0xE5E534D1, 0xF1F108F9, 0x717193E2, 0xD8D873AB, 0x31315362, 0x15153F2A,
                0x04040C08, 0xC7C75295, 0x23236546, 0xC3C35E9D, 0x18182830, 0x9696A137, 0x05050F0A, 0x9A9AB52F,
                0x0707090E, 0x12123624, 0x80809B1B, 0xE2E23DDF, 0xEBEB26CD, 0x2727694E, 0xB2B2CD7F, 0x75759FEA,
                0x09091B12, 0x83839E1D, 0x2C2C7458, 0x1A1A2E34, 0x1B1B2D36, 0x6E6EB2DC, 0x5A5AEEB4, 0xA0A0FB5B,
                0x5252F6A4, 0x3B3B4D76, 0xD6D661B7, 0xB3B3CE7D, 0x29297B52, 0xE3E33EDD, 0x2F2F715E, 0x84849713,
                0x5353F5A6, 0xD1D168B9, 0x00000000, 0xEDED2CC1, 0x20206040, 0xFCFC1FE3, 0xB1B1C879, 0x5B5BEDB6,
                0x6A6ABED4, 0xCBCB468D, 0xBEBED967, 0x39394B72, 0x4A4ADE94, 0x4C4CD498, 0x5858E8B0, 0xCFCF4A85,
                0xD0D06BBB, 0xEFEF2AC5, 0xAAAAE54F, 0xFBFB16ED, 0x4343C586, 0x4D4DD79A, 0x33335566, 0x85859411,
                0x4545CF8A, 0xF9F910E9, 0x02020604, 0x7F7F81FE, 0x5050F0A0, 0x3C3C4478, 0x9F9FBA25, 0xA8A8E34B,
                0x5151F3A2, 0xA3A3FE5D, 0x4040C080, 0x8F8F8A05, 0x9292AD3F, 0x9D9DBC21, 0x38384870, 0xF5F504F1,
                0xBCBCDF63, 0xB6B6C177, 0xDADA75AF, 0x21216342, 0x10103020, 0xFFFF1AE5, 0xF3F30EFD, 0xD2D26DBF,
                0xCDCD4C81, 0x0C0C1418, 0x13133526, 0xECEC2FC3, 0x5F5FE1BE, 0x9797A235, 0x4444CC88, 0x1717392E,
                0xC4C45793, 0xA7A7F255, 0x7E7E82FC, 0x3D3D477A, 0x6464ACC8, 0x5D5DE7BA, 0x19192B32, 0x737395E6,
                0x6060A0C0, 0x81819819, 0x4F4FD19E, 0xDCDC7FA3, 0x22226644, 0x2A2A7E54, 0x9090AB3B, 0x8888830B,
                0x4646CA8C, 0xEEEE29C7, 0xB8B8D36B, 0x14143C28, 0xDEDE79A7, 0x5E5EE2BC, 0x0B0B1D16, 0xDBDB76AD,
                0xE0E03BDB, 0x32325664, 0x3A3A4E74, 0x0A0A1E14, 0x4949DB92, 0x06060A0C, 0x24246C48, 0x5C5CE4B8,
                0xC2C25D9F, 0xD3D36EBD, 0xACACEF43, 0x6262A6C4, 0x9191A839, 0x9595A431, 0xE4E437D3, 0x79798BF2,
                0xE7E732D5, 0xC8C8438B, 0x3737596E, 0x6D6DB7DA, 0x8D8D8C01, 0xD5D564B1, 0x4E4ED29C, 0xA9A9E049,
                0x6C6CB4D8, 0x5656FAAC, 0xF4F407F3, 0xEAEA25CF, 0x6565AFCA, 0x7A7A8EF4, 0xAEAEE947, 0x08081810,
                0xBABAD56F, 0x787888F0, 0x25256F4A, 0x2E2E725C, 0x1C1C2438, 0xA6A6F157, 0xB4B4C773, 0xC6C65197,
                0xE8E823CB, 0xDDDD7CA1, 0x74749CE8, 0x1F1F213E, 0x4B4BDD96, 0xBDBDDC61, 0x8B8B860D, 0x8A8A850F,
                0x707090E0, 0x3E3E427C, 0xB5B5C471, 0x6666AACC, 0x4848D890, 0x03030506, 0xF6F601F7, 0x0E0E121C,
                0x6161A3C2, 0x35355F6A, 0x5757F9AE, 0xB9B9D069, 0x86869117, 0xC1C15899, 0x1D1D273A, 0x9E9EB927,
                0xE1E138D9, 0xF8F813EB, 0x9898B32B, 0x11113322, 0x6969BBD2, 0xD9D970A9, 0x8E8E8907, 0x9494A733,
                0x9B9BB62D, 0x1E1E223C, 0x87879215, 0xE9E920C9, 0xCECE4987, 0x5555FFAA, 0x28287850, 0xDFDF7AA5,
                0x8C8C8F03, 0xA1A1F859, 0x89898009, 0x0D0D171A, 0xBFBFDA65, 0xE6E631D7, 0x4242C684, 0x6868B8D0,
                0x4141C382, 0x9999B029, 0x2D2D775A, 0x0F0F111E, 0xB0B0CB7B, 0x5454FCA8, 0xBBBBD66D, 0x16163A2C
            ]);

            foreach ($t3 as $t3i) {
                $t0[] = (($t3i << 24) & 0xFF000000) | (($t3i >>  8) & 0x00FFFFFF);
                $t1[] = (($t3i << 16) & 0xFFFF0000) | (($t3i >> 16) & 0x0000FFFF);
                $t2[] = (($t3i <<  8) & 0xFFFFFF00) | (($t3i >> 24) & 0x000000FF);
            }

            $tables = [
                // The Precomputed mixColumns tables t0 - t3
                $t0,
                $t1,
                $t2,
                $t3,
                // The SubByte S-Box
                [
                    0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
                    0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
                    0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
                    0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
                    0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
                    0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
                    0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
                    0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
                    0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
                    0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
                    0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
                    0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
                    0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
                    0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
                    0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
                    0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
                ]
            ];
        }
        return $tables;
    }

    /**
     * Provides the inverse mixColumns and inverse sboxes tables
     *
     * @see self::decryptBlock()
     * @see self::setupInlineCrypt()
     * @see self::setupKey()
     * @access private
     * @return array &$tables
     */
    protected function &getInvTables()
    {
        static $tables;
        if (empty($tables)) {
            $dt3 = array_map('intval', [
                0xF4A75051, 0x4165537E, 0x17A4C31A, 0x275E963A, 0xAB6BCB3B, 0x9D45F11F, 0xFA58ABAC, 0xE303934B,
                0x30FA5520, 0x766DF6AD, 0xCC769188, 0x024C25F5, 0xE5D7FC4F, 0x2ACBD7C5, 0x35448026, 0x62A38FB5,
                0xB15A49DE, 0xBA1B6725, 0xEA0E9845, 0xFEC0E15D, 0x2F7502C3, 0x4CF01281, 0x4697A38D, 0xD3F9C66B,
                0x8F5FE703, 0x929C9515, 0x6D7AEBBF, 0x5259DA95, 0xBE832DD4, 0x7421D358, 0xE0692949, 0xC9C8448E,
                0xC2896A75, 0x8E7978F4, 0x583E6B99, 0xB971DD27, 0xE14FB6BE, 0x88AD17F0, 0x20AC66C9, 0xCE3AB47D,
                0xDF4A1863, 0x1A3182E5, 0x51336097, 0x537F4562, 0x6477E0B1, 0x6BAE84BB, 0x81A01CFE, 0x082B94F9,
                0x48685870, 0x45FD198F, 0xDE6C8794, 0x7BF8B752, 0x73D323AB, 0x4B02E272, 0x1F8F57E3, 0x55AB2A66,
                0xEB2807B2, 0xB5C2032F, 0xC57B9A86, 0x3708A5D3, 0x2887F230, 0xBFA5B223, 0x036ABA02, 0x16825CED,
                0xCF1C2B8A, 0x79B492A7, 0x07F2F0F3, 0x69E2A14E, 0xDAF4CD65, 0x05BED506, 0x34621FD1, 0xA6FE8AC4,
                0x2E539D34, 0xF355A0A2, 0x8AE13205, 0xF6EB75A4, 0x83EC390B, 0x60EFAA40, 0x719F065E, 0x6E1051BD,
                0x218AF93E, 0xDD063D96, 0x3E05AEDD, 0xE6BD464D, 0x548DB591, 0xC45D0571, 0x06D46F04, 0x5015FF60,
                0x98FB2419, 0xBDE997D6, 0x4043CC89, 0xD99E7767, 0xE842BDB0, 0x898B8807, 0x195B38E7, 0xC8EEDB79,
                0x7C0A47A1, 0x420FE97C, 0x841EC9F8, 0x00000000, 0x80868309, 0x2BED4832, 0x1170AC1E, 0x5A724E6C,
                0x0EFFFBFD, 0x8538560F, 0xAED51E3D, 0x2D392736, 0x0FD9640A, 0x5CA62168, 0x5B54D19B, 0x362E3A24,
                0x0A67B10C, 0x57E70F93, 0xEE96D2B4, 0x9B919E1B, 0xC0C54F80, 0xDC20A261, 0x774B695A, 0x121A161C,
                0x93BA0AE2, 0xA02AE5C0, 0x22E0433C, 0x1B171D12, 0x090D0B0E, 0x8BC7ADF2, 0xB6A8B92D, 0x1EA9C814,
                0xF1198557, 0x75074CAF, 0x99DDBBEE, 0x7F60FDA3, 0x01269FF7, 0x72F5BC5C, 0x663BC544, 0xFB7E345B,
                0x4329768B, 0x23C6DCCB, 0xEDFC68B6, 0xE4F163B8, 0x31DCCAD7, 0x63851042, 0x97224013, 0xC6112084,
                0x4A247D85, 0xBB3DF8D2, 0xF93211AE, 0x29A16DC7, 0x9E2F4B1D, 0xB230F3DC, 0x8652EC0D, 0xC1E3D077,
                0xB3166C2B, 0x70B999A9, 0x9448FA11, 0xE9642247, 0xFC8CC4A8, 0xF03F1AA0, 0x7D2CD856, 0x3390EF22,
                0x494EC787, 0x38D1C1D9, 0xCAA2FE8C, 0xD40B3698, 0xF581CFA6, 0x7ADE28A5, 0xB78E26DA, 0xADBFA43F,
                0x3A9DE42C, 0x78920D50, 0x5FCC9B6A, 0x7E466254, 0x8D13C2F6, 0xD8B8E890, 0x39F75E2E, 0xC3AFF582,
                0x5D80BE9F, 0xD0937C69, 0xD52DA96F, 0x2512B3CF, 0xAC993BC8, 0x187DA710, 0x9C636EE8, 0x3BBB7BDB,
                0x267809CD, 0x5918F46E, 0x9AB701EC, 0x4F9AA883, 0x956E65E6, 0xFFE67EAA, 0xBCCF0821, 0x15E8E6EF,
                0xE79BD9BA, 0x6F36CE4A, 0x9F09D4EA, 0xB07CD629, 0xA4B2AF31, 0x3F23312A, 0xA59430C6, 0xA266C035,
                0x4EBC3774, 0x82CAA6FC, 0x90D0B0E0, 0xA7D81533, 0x04984AF1, 0xECDAF741, 0xCD500E7F, 0x91F62F17,
                0x4DD68D76, 0xEFB04D43, 0xAA4D54CC, 0x9604DFE4, 0xD1B5E39E, 0x6A881B4C, 0x2C1FB8C1, 0x65517F46,
                0x5EEA049D, 0x8C355D01, 0x877473FA, 0x0B412EFB, 0x671D5AB3, 0xDBD25292, 0x105633E9, 0xD647136D,
                0xD7618C9A, 0xA10C7A37, 0xF8148E59, 0x133C89EB, 0xA927EECE, 0x61C935B7, 0x1CE5EDE1, 0x47B13C7A,
                0xD2DF599C, 0xF2733F55, 0x14CE7918, 0xC737BF73, 0xF7CDEA53, 0xFDAA5B5F, 0x3D6F14DF, 0x44DB8678,
                0xAFF381CA, 0x68C43EB9, 0x24342C38, 0xA3405FC2, 0x1DC37216, 0xE2250CBC, 0x3C498B28, 0x0D9541FF,
                0xA8017139, 0x0CB3DE08, 0xB4E49CD8, 0x56C19064, 0xCB84617B, 0x32B670D5, 0x6C5C7448, 0xB85742D0
            ]);

            foreach ($dt3 as $dt3i) {
                $dt0[] = (($dt3i << 24) & 0xFF000000) | (($dt3i >>  8) & 0x00FFFFFF);
                $dt1[] = (($dt3i << 16) & 0xFFFF0000) | (($dt3i >> 16) & 0x0000FFFF);
                $dt2[] = (($dt3i <<  8) & 0xFFFFFF00) | (($dt3i >> 24) & 0x000000FF);
            };

            $tables = [
                // The Precomputed inverse mixColumns tables dt0 - dt3
                $dt0,
                $dt1,
                $dt2,
                $dt3,
                // The inverse SubByte S-Box
                [
                    0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
                    0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
                    0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
                    0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
                    0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
                    0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
                    0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
                    0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
                    0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
                    0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
                    0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
                    0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
                    0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
                    0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
                    0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
                    0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
                ]
            ];
        }
        return $tables;
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        $w  = $this->w;
        $dw = $this->dw;
        $init_encrypt = '';
        $init_decrypt = '';

        $Nr = $this->Nr;
        $Nb = $this->Nb;
        $c  = $this->c;

        // Generating encrypt code:
        $init_encrypt .= '
            static $tables;
            if (empty($tables)) {
                $tables = &$this->getTables();
            }
            $t0   = $tables[0];
            $t1   = $tables[1];
            $t2   = $tables[2];
            $t3   = $tables[3];
            $sbox = $tables[4];
        ';

        $s  = 'e';
        $e  = 's';
        $wc = $Nb - 1;

        // Preround: addRoundKey
        $encrypt_block = '$in = unpack("N*", $in);' . "\n";
        for ($i = 0; $i < $Nb; ++$i) {
            $encrypt_block .= '$s' . $i . ' = $in[' . ($i + 1) . '] ^ ' . $w[++$wc] . ";\n";
        }

        // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey
        for ($round = 1; $round < $Nr; ++$round) {
            list($s, $e) = [$e, $s];
            for ($i = 0; $i < $Nb; ++$i) {
                $encrypt_block .=
                    '$' . $e . $i . ' =
                    $t0[($' . $s . $i                  . ' >> 24) & 0xff] ^
                    $t1[($' . $s . (($i + $c[1]) % $Nb) . ' >> 16) & 0xff] ^
                    $t2[($' . $s . (($i + $c[2]) % $Nb) . ' >>  8) & 0xff] ^
                    $t3[ $' . $s . (($i + $c[3]) % $Nb) . '        & 0xff] ^
                    ' . $w[++$wc] . ";\n";
            }
        }

        // Finalround: subWord + shiftRows + addRoundKey
        for ($i = 0; $i < $Nb; ++$i) {
            $encrypt_block .=
                '$' . $e . $i . ' =
                 $sbox[ $' . $e . $i . '        & 0xff]        |
                ($sbox[($' . $e . $i . ' >>  8) & 0xff] <<  8) |
                ($sbox[($' . $e . $i . ' >> 16) & 0xff] << 16) |
                ($sbox[($' . $e . $i . ' >> 24) & 0xff] << 24);' . "\n";
        }
        $encrypt_block .= '$in = pack("N*"' . "\n";
        for ($i = 0; $i < $Nb; ++$i) {
            $encrypt_block .= ',
                ($' . $e . $i                  . ' & ' . ((int)0xFF000000) . ') ^
                ($' . $e . (($i + $c[1]) % $Nb) . ' &         0x00FF0000   ) ^
                ($' . $e . (($i + $c[2]) % $Nb) . ' &         0x0000FF00   ) ^
                ($' . $e . (($i + $c[3]) % $Nb) . ' &         0x000000FF   ) ^
                ' . $w[$i] . "\n";
        }
        $encrypt_block .= ');';

        // Generating decrypt code:
        $init_decrypt .= '
            static $invtables;
            if (empty($invtables)) {
                $invtables = &$this->getInvTables();
            }
            $dt0   = $invtables[0];
            $dt1   = $invtables[1];
            $dt2   = $invtables[2];
            $dt3   = $invtables[3];
            $isbox = $invtables[4];
        ';

        $s  = 'e';
        $e  = 's';
        $wc = $Nb - 1;

        // Preround: addRoundKey
        $decrypt_block = '$in = unpack("N*", $in);' . "\n";
        for ($i = 0; $i < $Nb; ++$i) {
            $decrypt_block .= '$s' . $i . ' = $in[' . ($i + 1) . '] ^ ' . $dw[++$wc] . ';' . "\n";
        }

        // Mainrounds: shiftRows + subWord + mixColumns + addRoundKey
        for ($round = 1; $round < $Nr; ++$round) {
            list($s, $e) = [$e, $s];
            for ($i = 0; $i < $Nb; ++$i) {
                $decrypt_block .=
                    '$' . $e . $i . ' =
                    $dt0[($' . $s . $i                        . ' >> 24) & 0xff] ^
                    $dt1[($' . $s . (($Nb + $i - $c[1]) % $Nb) . ' >> 16) & 0xff] ^
                    $dt2[($' . $s . (($Nb + $i - $c[2]) % $Nb) . ' >>  8) & 0xff] ^
                    $dt3[ $' . $s . (($Nb + $i - $c[3]) % $Nb) . '        & 0xff] ^
                    ' . $dw[++$wc] . ";\n";
            }
        }

        // Finalround: subWord + shiftRows + addRoundKey
        for ($i = 0; $i < $Nb; ++$i) {
            $decrypt_block .=
                '$' . $e . $i . ' =
                 $isbox[ $' . $e . $i . '        & 0xff]        |
                ($isbox[($' . $e . $i . ' >>  8) & 0xff] <<  8) |
                ($isbox[($' . $e . $i . ' >> 16) & 0xff] << 16) |
                ($isbox[($' . $e . $i . ' >> 24) & 0xff] << 24);' . "\n";
        }
        $decrypt_block .= '$in = pack("N*"' . "\n";
        for ($i = 0; $i < $Nb; ++$i) {
            $decrypt_block .= ',
                ($' . $e . $i .                        ' & ' . ((int)0xFF000000) . ') ^
                ($' . $e . (($Nb + $i - $c[1]) % $Nb) . ' &         0x00FF0000   ) ^
                ($' . $e . (($Nb + $i - $c[2]) % $Nb) . ' &         0x0000FF00   ) ^
                ($' . $e . (($Nb + $i - $c[3]) % $Nb) . ' &         0x000000FF   ) ^
                ' . $dw[$i] . "\n";
        }
        $decrypt_block .= ');';

        $this->inline_crypt = $this->createInlineCryptFunction(
            [
               'init_crypt'    => '',
               'init_encrypt'  => $init_encrypt,
               'init_decrypt'  => $init_decrypt,
               'encrypt_block' => $encrypt_block,
               'decrypt_block' => $decrypt_block
            ]
        );
    }

    /**
     * Encrypts a message.
     *
     * @see self::decrypt()
     * @see parent::encrypt()
     * @access public
     * @param string $plaintext
     * @return string
     */
    public function encrypt($plaintext)
    {
        $this->setup();

        switch ($this->engine) {
            case self::ENGINE_LIBSODIUM:
                $this->newtag = sodium_crypto_aead_aes256gcm_encrypt($plaintext, $this->aad, $this->nonce, $this->key);
                return Strings::shift($this->newtag, strlen($plaintext));
            case self::ENGINE_OPENSSL_GCM:
                return openssl_encrypt(
                    $plaintext,
                    'aes-' . $this->getKeyLength() . '-gcm',
                    $this->key,
                    OPENSSL_RAW_DATA,
                    $this->nonce,
                    $this->newtag,
                    $this->aad
                );
        }

        return parent::encrypt($plaintext);
    }

    /**
     * Decrypts a message.
     *
     * @see self::encrypt()
     * @see parent::decrypt()
     * @access public
     * @param string $ciphertext
     * @return string
     */
    public function decrypt($ciphertext)
    {
        $this->setup();

        switch ($this->engine) {
            case self::ENGINE_LIBSODIUM:
                if ($this->oldtag === false) {
                    throw new InsufficientSetupException('Authentication Tag has not been set');
                }
                if (strlen($this->oldtag) != 16) {
                    break;
                }
                $plaintext = sodium_crypto_aead_aes256gcm_decrypt($ciphertext . $this->oldtag, $this->aad, $this->nonce, $this->key);
                if ($plaintext === false) {
                    $this->oldtag = false;
                    throw new BadDecryptionException('Error decrypting ciphertext with libsodium');
                }
                return $plaintext;
            case self::ENGINE_OPENSSL_GCM:
                if ($this->oldtag === false) {
                    throw new InsufficientSetupException('Authentication Tag has not been set');
                }
                $plaintext = openssl_decrypt(
                    $ciphertext,
                    'aes-' . $this->getKeyLength() . '-gcm',
                    $this->key,
                    OPENSSL_RAW_DATA,
                    $this->nonce,
                    $this->oldtag,
                    $this->aad
                );
                if ($plaintext === false) {
                    $this->oldtag = false;
                    throw new BadDecryptionException('Error decrypting ciphertext with OpenSSL');
                }
                return $plaintext;
        }

        return parent::decrypt($ciphertext);
    }
}
PK     úˆU];an�÷@  ÷@  =  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/PrivateKey.phpnu „[µü¤        <?php

/**
 * RSA Private Key
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\RSA;
use phpseclib3\Crypt\RSA\Formats\Keys\PSS;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * Raw RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PrivateKey extends RSA implements Common\PrivateKey
{
    use Common\Traits\PasswordProtected;

    /**
     * Primes for Chinese Remainder Theorem (ie. p and q)
     *
     * @var array
     * @access private
     */
    protected $primes;

    /**
     * Exponents for Chinese Remainder Theorem (ie. dP and dQ)
     *
     * @var array
     * @access private
     */
    protected $exponents;

    /**
     * Coefficients for Chinese Remainder Theorem (ie. qInv)
     *
     * @var array
     * @access private
     */
    protected $coefficients;

    /**
     * Public Exponent
     *
     * @var mixed
     * @access private
     */
    protected $publicExponent = false;

    /**
     * RSADP
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.2 RFC3447#section-5.1.2}.
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $c
     * @return bool|\phpseclib3\Math\BigInteger
     */
    private function rsadp($c)
    {
        if ($c->compare(self::$zero) < 0 || $c->compare($this->modulus) > 0) {
            throw new \OutOfRangeException('Ciphertext representative out of range');
        }
        return $this->exponentiate($c);
    }

    /**
     * RSASP1
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.1 RFC3447#section-5.2.1}.
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $m
     * @return bool|\phpseclib3\Math\BigInteger
     */
    private function rsasp1($m)
    {
        if ($m->compare(self::$zero) < 0 || $m->compare($this->modulus) > 0) {
            throw new \OutOfRangeException('Signature representative out of range');
        }
        return $this->exponentiate($m);
    }

    /**
     * Exponentiate
     *
     * @param \phpseclib3\Math\BigInteger $x
     * @return \phpseclib3\Math\BigInteger
     */
    protected function exponentiate(BigInteger $x)
    {
        switch (true) {
            case empty($this->primes):
            case $this->primes[1]->equals(self::$zero):
            case empty($this->coefficients):
            case $this->coefficients[2]->equals(self::$zero):
            case empty($this->exponents):
            case $this->exponents[1]->equals(self::$zero):
                return $x->modPow($this->exponent, $this->modulus);
        }

        $num_primes = count($this->primes);

        if (!static::$enableBlinding) {
            $m_i = [
                1 => $x->modPow($this->exponents[1], $this->primes[1]),
                2 => $x->modPow($this->exponents[2], $this->primes[2])
            ];
            $h = $m_i[1]->subtract($m_i[2]);
            $h = $h->multiply($this->coefficients[2]);
            list(, $h) = $h->divide($this->primes[1]);
            $m = $m_i[2]->add($h->multiply($this->primes[2]));

            $r = $this->primes[1];
            for ($i = 3; $i <= $num_primes; $i++) {
                $m_i = $x->modPow($this->exponents[$i], $this->primes[$i]);

                $r = $r->multiply($this->primes[$i - 1]);

                $h = $m_i->subtract($m);
                $h = $h->multiply($this->coefficients[$i]);
                list(, $h) = $h->divide($this->primes[$i]);

                $m = $m->add($r->multiply($h));
            }
        } else {
            $smallest = $this->primes[1];
            for ($i = 2; $i <= $num_primes; $i++) {
                if ($smallest->compare($this->primes[$i]) > 0) {
                    $smallest = $this->primes[$i];
                }
            }

            $r = BigInteger::randomRange(self::$one, $smallest->subtract(self::$one));

            $m_i = [
                1 => $this->blind($x, $r, 1),
                2 => $this->blind($x, $r, 2)
            ];
            $h = $m_i[1]->subtract($m_i[2]);
            $h = $h->multiply($this->coefficients[2]);
            list(, $h) = $h->divide($this->primes[1]);
            $m = $m_i[2]->add($h->multiply($this->primes[2]));

            $r = $this->primes[1];
            for ($i = 3; $i <= $num_primes; $i++) {
                $m_i = $this->blind($x, $r, $i);

                $r = $r->multiply($this->primes[$i - 1]);

                $h = $m_i->subtract($m);
                $h = $h->multiply($this->coefficients[$i]);
                list(, $h) = $h->divide($this->primes[$i]);

                $m = $m->add($r->multiply($h));
            }
        }

        return $m;
    }

    /**
     * Performs RSA Blinding
     *
     * Protects against timing attacks by employing RSA Blinding.
     * Returns $x->modPow($this->exponents[$i], $this->primes[$i])
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $x
     * @param \phpseclib3\Math\BigInteger $r
     * @param int $i
     * @return \phpseclib3\Math\BigInteger
     */
    private function blind($x, $r, $i)
    {
        $x = $x->multiply($r->modPow($this->publicExponent, $this->primes[$i]));
        $x = $x->modPow($this->exponents[$i], $this->primes[$i]);

        $r = $r->modInverse($this->primes[$i]);
        $x = $x->multiply($r);
        list(, $x) = $x->divide($this->primes[$i]);

        return $x;
    }

    /**
     * EMSA-PSS-ENCODE
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.1 RFC3447#section-9.1.1}.
     *
     * @return string
     * @access private
     * @param string $m
     * @throws \RuntimeException on encoding error
     * @param int $emBits
     */
    private function emsa_pss_encode($m, $emBits)
    {
        // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
        // be output.

        $emLen = ($emBits + 1) >> 3; // ie. ceil($emBits / 8)
        $sLen = $this->sLen !== null ? $this->sLen : $this->hLen;

        $mHash = $this->hash->hash($m);
        if ($emLen < $this->hLen + $sLen + 2) {
            throw new \LengthException('RSA modulus too short');
        }

        $salt = Random::string($sLen);
        $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
        $h = $this->hash->hash($m2);
        $ps = str_repeat(chr(0), $emLen - $sLen - $this->hLen - 2);
        $db = $ps . chr(1) . $salt;
        $dbMask = $this->mgf1($h, $emLen - $this->hLen - 1); // ie. stlren($db)
        $maskedDB = $db ^ $dbMask;
        $maskedDB[0] = ~chr(0xFF << ($emBits & 7)) & $maskedDB[0];
        $em = $maskedDB . $h . chr(0xBC);

        return $em;
    }

    /**
     * RSASSA-PSS-SIGN
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.1 RFC3447#section-8.1.1}.
     *
     * @access private
     * @param string $m
     * @return bool|string
     */
    private function rsassa_pss_sign($m)
    {
        // EMSA-PSS encoding

        $em = $this->emsa_pss_encode($m, 8 * $this->k - 1);

        // RSA signature

        $m = $this->os2ip($em);
        $s = $this->rsasp1($m);
        $s = $this->i2osp($s, $this->k);

        // Output the signature S

        return $s;
    }

    /**
     * RSASSA-PKCS1-V1_5-SIGN
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.1 RFC3447#section-8.2.1}.
     *
     * @access private
     * @param string $m
     * @throws \LengthException if the RSA modulus is too short
     * @return bool|string
     */
    private function rsassa_pkcs1_v1_5_sign($m)
    {
        // EMSA-PKCS1-v1_5 encoding

        // If the encoding operation outputs "intended encoded message length too short," output "RSA modulus
        // too short" and stop.
        try {
            $em = $this->emsa_pkcs1_v1_5_encode($m, $this->k);
        } catch (\LengthException $e) {
            throw new \LengthException('RSA modulus too short');
        }

        // RSA signature

        $m = $this->os2ip($em);
        $s = $this->rsasp1($m);
        $s = $this->i2osp($s, $this->k);

        // Output the signature S

        return $s;
    }

    /**
     * Create a signature
     *
     * @see self::verify()
     * @access public
     * @param string $message
     * @return string
     */
    public function sign($message)
    {
        switch ($this->signaturePadding) {
            case self::SIGNATURE_PKCS1:
            case self::SIGNATURE_RELAXED_PKCS1:
                return $this->rsassa_pkcs1_v1_5_sign($message);
            //case self::SIGNATURE_PSS:
            default:
                return $this->rsassa_pss_sign($message);
        }
    }

    /**
     * RSAES-PKCS1-V1_5-DECRYPT
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.2 RFC3447#section-7.2.2}.
     *
     * @access private
     * @param string $c
     * @return bool|string
     */
    private function rsaes_pkcs1_v1_5_decrypt($c)
    {
        // Length checking

        if (strlen($c) != $this->k) { // or if k < 11
            throw new \LengthException('Ciphertext representative too long');
        }

        // RSA decryption

        $c = $this->os2ip($c);
        $m = $this->rsadp($c);
        $em = $this->i2osp($m, $this->k);

        // EME-PKCS1-v1_5 decoding

        if (ord($em[0]) != 0 || ord($em[1]) > 2) {
            throw new \RuntimeException('Decryption error');
        }

        $ps = substr($em, 2, strpos($em, chr(0), 2) - 2);
        $m = substr($em, strlen($ps) + 3);

        if (strlen($ps) < 8) {
            throw new \RuntimeException('Decryption error');
        }

        // Output M

        return $m;
    }

    /**
     * RSAES-OAEP-DECRYPT
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.2 RFC3447#section-7.1.2}.  The fact that the error
     * messages aren't distinguishable from one another hinders debugging, but, to quote from RFC3447#section-7.1.2:
     *
     *    Note.  Care must be taken to ensure that an opponent cannot
     *    distinguish the different error conditions in Step 3.g, whether by
     *    error message or timing, or, more generally, learn partial
     *    information about the encoded message EM.  Otherwise an opponent may
     *    be able to obtain useful information about the decryption of the
     *    ciphertext C, leading to a chosen-ciphertext attack such as the one
     *    observed by Manger [36].
     *
     * @access private
     * @param string $c
     * @return bool|string
     */
    private function rsaes_oaep_decrypt($c)
    {
        // Length checking

        // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
        // be output.

        if (strlen($c) != $this->k || $this->k < 2 * $this->hLen + 2) {
            throw new \LengthException('Ciphertext representative too long');
        }

        // RSA decryption

        $c = $this->os2ip($c);
        $m = $this->rsadp($c);
        $em = $this->i2osp($m, $this->k);

        // EME-OAEP decoding

        $lHash = $this->hash->hash($this->label);
        $y = ord($em[0]);
        $maskedSeed = substr($em, 1, $this->hLen);
        $maskedDB = substr($em, $this->hLen + 1);
        $seedMask = $this->mgf1($maskedDB, $this->hLen);
        $seed = $maskedSeed ^ $seedMask;
        $dbMask = $this->mgf1($seed, $this->k - $this->hLen - 1);
        $db = $maskedDB ^ $dbMask;
        $lHash2 = substr($db, 0, $this->hLen);
        $m = substr($db, $this->hLen);
        $hashesMatch = hash_equals($lHash, $lHash2);
        $leadingZeros = 1;
        $patternMatch = 0;
        $offset = 0;
        for ($i = 0; $i < strlen($m); $i++) {
            $patternMatch |= $leadingZeros & ($m[$i] === "\1");
            $leadingZeros &= $m[$i] === "\0";
            $offset += $patternMatch ? 0 : 1;
        }

        // we do | instead of || to avoid https://en.wikipedia.org/wiki/Short-circuit_evaluation
        // to protect against timing attacks
        if (!$hashesMatch | !$patternMatch) {
            throw new \RuntimeException('Decryption error');
        }

        // Output the message M

        return substr($m, $offset + 1);
    }

    /**
     * Raw Encryption / Decryption
     *
     * Doesn't use padding and is not recommended.
     *
     * @access private
     * @param string $m
     * @return bool|string
     * @throws \LengthException if strlen($m) > $this->k
     */
    private function raw_encrypt($m)
    {
        if (strlen($m) > $this->k) {
            throw new \LengthException('Ciphertext representative too long');
        }

        $temp = $this->os2ip($m);
        $temp = $this->rsadp($temp);
        return  $this->i2osp($temp, $this->k);
    }

    /**
     * Decryption
     *
     * @see self::encrypt()
     * @access public
     * @param string $ciphertext
     * @return bool|string
     */
    public function decrypt($ciphertext)
    {
        switch ($this->encryptionPadding) {
            case self::ENCRYPTION_NONE:
                return $this->raw_encrypt($ciphertext);
            case self::ENCRYPTION_PKCS1:
                return $this->rsaes_pkcs1_v1_5_decrypt($ciphertext);
            //case self::ENCRYPTION_OAEP:
            default:
                return $this->rsaes_oaep_decrypt($ciphertext);
        }
    }

    /**
     * Returns the public key
     *
     * @access public
     * @return mixed
     */
    public function getPublicKey()
    {
        $type = self::validatePlugin('Keys', 'PKCS8', 'savePublicKey');
        if (empty($this->modulus) || empty($this->publicExponent)) {
            throw new \RuntimeException('Public key components not found');
        }

        $key = $type::savePublicKey($this->modulus, $this->publicExponent);
        return RSA::loadFormat('PKCS8', $key)
            ->withHash($this->hash->getHash())
            ->withMGFHash($this->mgfHash->getHash())
            ->withSaltLength($this->sLen)
            ->withLabel($this->label)
            ->withPadding($this->signaturePadding | $this->encryptionPadding);
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin(
            'Keys',
            $type,
            empty($this->primes) ? 'savePublicKey' : 'savePrivateKey'
        );

        if ($type == PSS::class) {
            if ($this->signaturePadding == self::SIGNATURE_PSS) {
                $options += [
                    'hash' => $this->hash->getHash(),
                    'MGFHash' => $this->mgfHash->getHash(),
                    'saltLength' => $this->getSaltLength()
                ];
            } else {
                throw new UnsupportedFormatException('The PSS format can only be used when the signature method has been explicitly set to PSS');
            }
        }

        if (empty($this->primes)) {
            return $type::savePublicKey($this->modulus, $this->exponent, $options);
        }

        return $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients, $this->password, $options);

        /*
        $key = $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $this->primes, $this->exponents, $this->coefficients, $this->password, $options);
        if ($key !== false || count($this->primes) == 2) {
            return $key;
        }

        $nSize = $this->getSize() >> 1;

        $primes = [1 => clone self::$one, clone self::$one];
        $i = 1;
        foreach ($this->primes as $prime) {
            $primes[$i] = $primes[$i]->multiply($prime);
            if ($primes[$i]->getLength() >= $nSize) {
                $i++;
            }
        }

        $exponents = [];
        $coefficients = [2 => $primes[2]->modInverse($primes[1])];

        foreach ($primes as $i => $prime) {
            $temp = $prime->subtract(self::$one);
            $exponents[$i] = $this->modulus->modInverse($temp);
        }

        return $type::savePrivateKey($this->modulus, $this->publicExponent, $this->exponent, $primes, $exponents, $coefficients, $this->password, $options);
        */
    }
}
PK     úˆU]âë    C  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/XML.phpnu „[µü¤        <?php

/**
 * XML Formatted RSA Key Handler
 *
 * More info:
 *
 * http://www.w3.org/TR/xmldsig-core/#sec-RSAKeyValue
 * http://www.w3.org/TR/xkms2/#XKMS_2_0_Paragraph_269
 * http://en.wikipedia.org/wiki/XML_Signature
 * http://en.wikipedia.org/wiki/XKMS
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * XML Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class XML
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (!class_exists('DOMDocument')) {
            throw new BadConfigurationException('The dom extension is not setup correctly on this system');
        }

        $components = [
            'isPublicKey' => false,
            'primes' => [],
            'exponents' => [],
            'coefficients' => []
        ];

        $use_errors = libxml_use_internal_errors(true);

        $dom = new \DOMDocument();
        if (substr($key, 0, 5) != '<?xml') {
            $key = '<xml>' . $key . '</xml>';
        }
        if (!$dom->loadXML($key)) {
            libxml_use_internal_errors($use_errors);
            throw new \UnexpectedValueException('Key does not appear to contain XML');
        }
        $xpath = new \DOMXPath($dom);
        $keys = ['modulus', 'exponent', 'p', 'q', 'dp', 'dq', 'inverseq', 'd'];
        foreach ($keys as $key) {
            // $dom->getElementsByTagName($key) is case-sensitive
            $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$key']");
            if (!$temp->length) {
                continue;
            }
            $value = new BigInteger(Base64::decode($temp->item(0)->nodeValue), 256);
            switch ($key) {
                case 'modulus':
                    $components['modulus'] = $value;
                    break;
                case 'exponent':
                    $components['publicExponent'] = $value;
                    break;
                case 'p':
                    $components['primes'][1] = $value;
                    break;
                case 'q':
                    $components['primes'][2] = $value;
                    break;
                case 'dp':
                    $components['exponents'][1] = $value;
                    break;
                case 'dq':
                    $components['exponents'][2] = $value;
                    break;
                case 'inverseq':
                    $components['coefficients'][2] = $value;
                    break;
                case 'd':
                    $components['privateExponent'] = $value;
            }
        }

        libxml_use_internal_errors($use_errors);

        foreach ($components as $key => $value) {
            if (is_array($value) && !count($value)) {
                unset($components[$key]);
            }
        }

        if (isset($components['modulus']) && isset($components['publicExponent'])) {
            if (count($components) == 3) {
                $components['isPublicKey'] = true;
            }
            return $components;
        }

        throw new \UnexpectedValueException('Modulus / exponent not present');
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '')
    {
        if (count($primes) != 2) {
            throw new \InvalidArgumentException('XML does not support multi-prime RSA keys');
        }

        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('XML private keys do not support encryption');
        }

        return "<RSAKeyPair>\r\n" .
               '  <Modulus>' . Base64::encode($n->toBytes()) . "</Modulus>\r\n" .
               '  <Exponent>' . Base64::encode($e->toBytes()) . "</Exponent>\r\n" .
               '  <P>' . Base64::encode($primes[1]->toBytes()) . "</P>\r\n" .
               '  <Q>' . Base64::encode($primes[2]->toBytes()) . "</Q>\r\n" .
               '  <DP>' . Base64::encode($exponents[1]->toBytes()) . "</DP>\r\n" .
               '  <DQ>' . Base64::encode($exponents[2]->toBytes()) . "</DQ>\r\n" .
               '  <InverseQ>' . Base64::encode($coefficients[2]->toBytes()) . "</InverseQ>\r\n" .
               '  <D>' . Base64::encode($d->toBytes()) . "</D>\r\n" .
               '</RSAKeyPair>';
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        return "<RSAKeyValue>\r\n" .
               '  <Modulus>' . Base64::encode($n->toBytes()) . "</Modulus>\r\n" .
               '  <Exponent>' . Base64::encode($e->toBytes()) . "</Exponent>\r\n" .
               '</RSAKeyValue>';
    }
}
PK     úˆU]�i—�    E  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.phpnu „[µü¤        <?php

/**
 * PuTTY Formatted RSA Key Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PuTTY as Progenitor;
use phpseclib3\Math\BigInteger;

/**
 * PuTTY Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PuTTY extends Progenitor
{
    /**
     * Public Handler
     *
     * @var string
     * @access private
     */
    const PUBLIC_HANDLER = 'phpseclib3\Crypt\RSA\Formats\Keys\OpenSSH';

    /**
     * Algorithm Identifier
     *
     * @var array
     * @access private
     */
    protected static $types = ['ssh-rsa'];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        $components = parent::load($key, $password);
        if (!isset($components['private'])) {
            return $components;
        }
        extract($components);
        unset($components['public'], $components['private']);

        $isPublicKey = false;

        $result = Strings::unpackSSH2('ii', $public);
        if ($result === false) {
            throw new \UnexpectedValueException('Key appears to be malformed');
        }
        list($publicExponent, $modulus) = $result;

        $result = Strings::unpackSSH2('iiii', $private);
        if ($result === false) {
            throw new \UnexpectedValueException('Key appears to be malformed');
        }
        $primes = $coefficients = [];
        list($privateExponent, $primes[1], $primes[2], $coefficients[2]) = $result;

        $temp = $primes[1]->subtract($one);
        $exponents = [1 => $publicExponent->modInverse($temp)];
        $temp = $primes[2]->subtract($one);
        $exponents[] = $publicExponent->modInverse($temp);

        return compact('publicExponent', 'modulus', 'privateExponent', 'primes', 'coefficients', 'exponents', 'comment', 'isPublicKey');
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        if (count($primes) != 2) {
            throw new \InvalidArgumentException('PuTTY does not support multi-prime RSA keys');
        }

        $public =  Strings::packSSH2('ii', $e, $n);
        $private = Strings::packSSH2('iiii', $d, $primes[1], $primes[2], $coefficients[2]);

        return self::wrapPrivateKey($public, $private, 'ssh-rsa', $password, $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        return self::wrapPublicKey(Strings::packSSH2('ii', $e, $n), 'ssh-rsa');
    }
}
PK     úˆU]É6Á+„  „  G  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/OpenSSH.phpnu „[µü¤        <?php

/**
 * OpenSSH Formatted RSA Key Handler
 *
 * PHP version 5
 *
 * Place in $HOME/.ssh/authorized_keys
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\OpenSSH as Progenitor;
use phpseclib3\Math\BigInteger;

/**
 * OpenSSH Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSH extends Progenitor
{
    /**
     * Supported Key Types
     *
     * @var array
     */
    protected static $types = ['ssh-rsa'];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        $parsed = parent::load($key, $password);

        if (isset($parsed['paddedKey'])) {
            list($type) = Strings::unpackSSH2('s', $parsed['paddedKey']);
            if ($type != $parsed['type']) {
                throw new \RuntimeException("The public and private keys are not of the same type ($type vs $parsed[type])");
            }

            $primes = $coefficients = [];

            list(
                $modulus,
                $publicExponent,
                $privateExponent,
                $coefficients[2],
                $primes[1],
                $primes[2],
                $comment,
            ) = Strings::unpackSSH2('i6s', $parsed['paddedKey']);

            $temp = $primes[1]->subtract($one);
            $exponents = [1 => $publicExponent->modInverse($temp)];
            $temp = $primes[2]->subtract($one);
            $exponents[] = $publicExponent->modInverse($temp);

            $isPublicKey = false;

            return compact('publicExponent', 'modulus', 'privateExponent', 'primes', 'coefficients', 'exponents', 'comment', 'isPublicKey');
        }

        list($publicExponent, $modulus) = Strings::unpackSSH2('ii', $parsed['publicKey']);

        return [
            'isPublicKey' => true,
            'modulus' => $modulus,
            'publicExponent' => $publicExponent,
            'comment' => $parsed['comment']
        ];
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e, array $options = [])
    {
        $RSAPublicKey = Strings::packSSH2('sii', 'ssh-rsa', $e, $n);

        if (isset($options['binary']) ? $options['binary'] : self::$binary) {
            return $RSAPublicKey;
        }

        $comment = isset($options['comment']) ? $options['comment'] : self::$comment;
        $RSAPublicKey = 'ssh-rsa ' . base64_encode($RSAPublicKey) . ' ' . $comment;

        return $RSAPublicKey;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        $publicKey = self::savePublicKey($n, $e, ['binary' => true]);
        $privateKey = Strings::packSSH2('si6', 'ssh-rsa', $n, $e, $d, $coefficients[2], $primes[1], $primes[2]);

        return self::wrapPrivateKey($publicKey, $privateKey, $password, $options);
    }
}
PK     úˆU]uï—#    E  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS1.phpnu „[µü¤        <?php

/**
 * PKCS#1 Formatted RSA Key Handler
 *
 * PHP version 5
 *
 * Used by File/X509.php
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN RSA PRIVATE KEY-----
 * -----BEGIN RSA PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pem format (as specified by -m)
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS1 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#1 Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS1 extends Progenitor
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (strpos($key, 'PUBLIC') !== false) {
            $components = ['isPublicKey' => true];
        } elseif (strpos($key, 'PRIVATE') !== false) {
            $components = ['isPublicKey' => false];
        } else {
            $components = [];
        }

        $key = parent::load($key, $password);

        $decoded = ASN1::decodeBER($key);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        $key = ASN1::asn1map($decoded[0], Maps\RSAPrivateKey::MAP);
        if (is_array($key)) {
            $components += [
                'modulus' => $key['modulus'],
                'publicExponent' => $key['publicExponent'],
                'privateExponent' => $key['privateExponent'],
                'primes' => [1 => $key['prime1'], $key['prime2']],
                'exponents' => [1 => $key['exponent1'], $key['exponent2']],
                'coefficients' => [2 => $key['coefficient']]
            ];
            if ($key['version'] == 'multi') {
                foreach ($key['otherPrimeInfos'] as $primeInfo) {
                    $components['primes'][] = $primeInfo['prime'];
                    $components['exponents'][] = $primeInfo['exponent'];
                    $components['coefficients'][] = $primeInfo['coefficient'];
                }
            }
            if (!isset($components['isPublicKey'])) {
                $components['isPublicKey'] = false;
            }
            return $components;
        }

        $key = ASN1::asn1map($decoded[0], Maps\RSAPublicKey::MAP);

        if (!is_array($key)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping');
        }

        if (!isset($components['isPublicKey'])) {
            $components['isPublicKey'] = true;
        }

        return $components + $key;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        $num_primes = count($primes);
        $key = [
            'version' => $num_primes == 2 ? 'two-prime' : 'multi',
            'modulus' => $n,
            'publicExponent' => $e,
            'privateExponent' => $d,
            'prime1' => $primes[1],
            'prime2' => $primes[2],
            'exponent1' => $exponents[1],
            'exponent2' => $exponents[2],
            'coefficient' => $coefficients[2]
        ];
        for ($i = 3; $i <= $num_primes; $i++) {
            $key['otherPrimeInfos'][] = [
                'prime' => $primes[$i],
                'exponent' => $exponents[$i],
                'coefficient' => $coefficients[$i]
            ];
        }

        $key = ASN1::encodeDER($key, Maps\RSAPrivateKey::MAP);

        return self::wrapPrivateKey($key, 'RSA', $password, $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        $key = [
            'modulus' => $n,
            'publicExponent' => $e
        ];

        $key = ASN1::encodeDER($key, Maps\RSAPublicKey::MAP);

        return self::wrapPublicKey($key, 'RSA');
    }
}
PK     úˆU]†ßŠçÖ  Ö  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.phpnu „[µü¤        <?php

/**
 * Raw RSA Key Handler
 *
 * PHP version 5
 *
 * An array containing two \phpseclib3\Math\BigInteger objects.
 *
 * The exponent can be indexed with any of the following:
 *
 * 0, e, exponent, publicExponent
 *
 * The modulus can be indexed with any of the following:
 *
 * 1, n, modulo, modulus
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Math\BigInteger;

/**
 * Raw RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Raw
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!is_array($key)) {
            throw new \UnexpectedValueException('Key should be a array - not a ' . gettype($key));
        }

        $key = array_change_key_case($key, CASE_LOWER);

        $components = ['isPublicKey' => false];

        foreach (['e', 'exponent', 'publicexponent', 0, 'privateexponent', 'd'] as $index) {
            if (isset($key[$index])) {
                $components['publicExponent'] = $key[$index];
                break;
            }
        }

        foreach (['n', 'modulo', 'modulus', 1] as $index) {
            if (isset($key[$index])) {
                $components['modulus'] = $key[$index];
                break;
            }
        }

        if (!isset($components['publicExponent']) || !isset($components['modulus'])) {
            throw new \UnexpectedValueException('Modulus / exponent not present');
        }

        if (isset($key['primes'])) {
            $components['primes'] = $key['primes'];
        } elseif (isset($key['p']) && isset($key['q'])) {
            $indices = [
                ['p', 'q'],
                ['prime1', 'prime2']
            ];
            foreach ($indices as $index) {
                list($i0, $i1) = $index;
                if (isset($key[$i0]) && isset($key[$i1])) {
                    $components['primes'] = [1 => $key[$i0], $key[$i1]];
                }
            }
        }

        if (isset($key['exponents'])) {
            $components['exponents'] = $key['exponents'];
        } else {
            $indices = [
                ['dp', 'dq'],
                ['exponent1', 'exponent2']
            ];
            foreach ($indices as $index) {
                list($i0, $i1) = $index;
                if (isset($key[$i0]) && isset($key[$i1])) {
                    $components['exponents'] = [1 => $key[$i0], $key[$i1]];
                }
            }
        }

        if (isset($key['coefficients'])) {
            $components['coefficients'] = $key['coefficients'];
        } else {
            foreach (['inverseq', 'q\'', 'coefficient'] as $index) {
                if (isset($key[$index])) {
                    $components['coefficients'] = [2 => $key[$index]];
                }
            }
        }

        if (!isset($components['primes'])) {
            $components['isPublicKey'] = true;
            return $components;
        }

        if (!isset($components['exponents'])) {
            $one = new BigInteger(1);
            $temp = $components['primes'][1]->subtract($one);
            $exponents = [1 => $components['publicExponent']->modInverse($temp)];
            $temp = $components['primes'][2]->subtract($one);
            $exponents[] = $components['publicExponent']->modInverse($temp);
            $components['exponents'] = $exponents;
        }

        if (!isset($components['coefficients'])) {
            $components['coefficients'] = [2 => $components['primes'][2]->modInverse($components['primes'][1])];
        }

        foreach (['privateexponent', 'd'] as $index) {
            if (isset($key[$index])) {
                $components['privateExponent'] = $key[$index];
                break;
            }
        }

        return $components;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return array
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('Raw private keys do not support encryption');
        }

        return [
            'e' => clone $e,
            'n' => clone $n,
            'd' => clone $d,
            'primes' => array_map(function ($var) {
                return clone $var;
            }, $primes),
            'exponents' => array_map(function ($var) {
                return clone $var;
            }, $exponents),
            'coefficients' => array_map(function ($var) {
                return clone $var;
            }, $coefficients)
        ];
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return array
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        return ['e' => clone $e, 'n' => clone $n];
    }
}
PK     úˆU]ì2
<R  R  E  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS8.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted RSA Key Handler
 *
 * PHP version 5
 *
 * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set)
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
 * is specific to private keys it's basically creating a DER-encoded wrapper
 * for keys. This just extends that same concept to public keys (much like ssh-keygen)
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#8 Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends Progenitor
{
    /**
     * OID Name
     *
     * @var string
     * @access private
     */
    const OID_NAME = 'rsaEncryption';

    /**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = '1.2.840.113549.1.1.1';

    /**
     * Child OIDs loaded
     *
     * @var bool
     * @access private
     */
    protected static $childOIDsLoaded = false;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (strpos($key, 'PUBLIC') !== false) {
            $components = ['isPublicKey' => true];
        } elseif (strpos($key, 'PRIVATE') !== false) {
            $components = ['isPublicKey' => false];
        } else {
            $components = [];
        }

        $key = parent::load($key, $password);

        if (isset($key['privateKey'])) {
            if (!isset($components['isPublicKey'])) {
                $components['isPublicKey'] = false;
            }
            $type = 'private';
        } else {
            if (!isset($components['isPublicKey'])) {
                $components['isPublicKey'] = true;
            }
            $type = 'public';
        }

        $result = $components + PKCS1::load($key[$type . 'Key']);

        if (isset($key['meta'])) {
            $result['meta'] = $key['meta'];
        }

        return $result;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        $key = PKCS1::savePrivateKey($n, $e, $d, $primes, $exponents, $coefficients);
        $key = ASN1::extractBER($key);
        return self::wrapPrivateKey($key, [], null, $password, null, '', $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e, array $options = [])
    {
        $key = PKCS1::savePublicKey($n, $e);
        $key = ASN1::extractBER($key);
        return self::wrapPublicKey($key, null);
    }
}
PK     úˆU]{.Ý(  (  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PSS.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted RSA-PSS Key Handler
 *
 * PHP version 5
 *
 * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set)
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to "openssl genpkey -algorithm rsa-pss".
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#8 Formatted RSA-PSS Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PSS extends Progenitor
{
    /**
     * OID Name
     *
     * @var string
     * @access private
     */
    const OID_NAME = 'id-RSASSA-PSS';

    /**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = '1.2.840.113549.1.1.10';

    /**
     * OIDs loaded
     *
     * @var bool
     * @access private
     */
    private static $oidsLoaded = false;

    /**
     * Child OIDs loaded
     *
     * @var bool
     * @access private
     */
    protected static $childOIDsLoaded = false;

    /**
     * Initialize static variables
     */
    private static function initialize_static_variables()
    {
        if (!self::$oidsLoaded) {
            ASN1::loadOIDs([
                'md2' => '1.2.840.113549.2.2',
                'md4' => '1.2.840.113549.2.4',
                'md5' => '1.2.840.113549.2.5',
                'id-sha1' => '1.3.14.3.2.26',
                'id-sha256' => '2.16.840.1.101.3.4.2.1',
                'id-sha384' => '2.16.840.1.101.3.4.2.2',
                'id-sha512' => '2.16.840.1.101.3.4.2.3',
                'id-sha224' => '2.16.840.1.101.3.4.2.4',
                'id-sha512/224' => '2.16.840.1.101.3.4.2.5',
                'id-sha512/256' => '2.16.840.1.101.3.4.2.6',

                'id-mgf1' => '1.2.840.113549.1.1.8'
            ]);
            self::$oidsLoaded = true;
        }
    }

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        self::initialize_static_variables();

        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        $components = ['isPublicKey' => strpos($key, 'PUBLIC') !== false];

        $key = parent::load($key, $password);

        $type = isset($key['privateKey']) ? 'private' : 'public';

        $result = $components + PKCS1::load($key[$type . 'Key']);

        if (isset($key[$type . 'KeyAlgorithm']['parameters'])) {
            $decoded = ASN1::decodeBER($key[$type . 'KeyAlgorithm']['parameters']);
            if ($decoded === false) {
                throw new \UnexpectedValueException('Unable to decode parameters');
            }
            $params = ASN1::asn1map($decoded[0], Maps\RSASSA_PSS_params::MAP);
        } else {
            $params = [];
        }

        if (isset($params['maskGenAlgorithm']['parameters'])) {
            $decoded = ASN1::decodeBER($params['maskGenAlgorithm']['parameters']);
            if ($decoded === false) {
                throw new \UnexpectedValueException('Unable to decode parameters');
            }
            $params['maskGenAlgorithm']['parameters'] = ASN1::asn1map($decoded[0], Maps\HashAlgorithm::MAP);
        } else {
            $params['maskGenAlgorithm'] = [
                'algorithm' => 'id-mgf1',
                'parameters' => ['algorithm' => 'id-sha1']
            ];
        }

        if (!isset($params['hashAlgorithm']['algorithm'])) {
            $params['hashAlgorithm']['algorithm'] = 'id-sha1';
        }

        $result['hash'] = str_replace('id-', '', $params['hashAlgorithm']['algorithm']);
        $result['MGFHash'] = str_replace('id-', '', $params['maskGenAlgorithm']['parameters']['algorithm']);
        if (isset($params['saltLength'])) {
            $result['saltLength'] = (int) $params['saltLength']->toString();
        }

        if (isset($key['meta'])) {
            $result['meta'] = $key['meta'];
        }

        return $result;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
    {
        self::initialize_static_variables();

        $key = PKCS1::savePrivateKey($n, $e, $d, $primes, $exponents, $coefficients);
        $key = ASN1::extractBER($key);
        $params = self::savePSSParams($options);
        return self::wrapPrivateKey($key, [], $params, $password, null, '', $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e, array $options = [])
    {
        self::initialize_static_variables();

        $key = PKCS1::savePublicKey($n, $e);
        $key = ASN1::extractBER($key);
        $params = self::savePSSParams($options);
        return self::wrapPublicKey($key, $params);
    }

    /**
     * Encodes PSS parameters
     *
     * @access public
     * @param array $options
     * @return string
     */
    public static function savePSSParams(array $options)
    {
        /*
         The trailerField field is an integer.  It provides
         compatibility with IEEE Std 1363a-2004 [P1363A].  The value
         MUST be 1, which represents the trailer field with hexadecimal
         value 0xBC.  Other trailer fields, including the trailer field
         composed of HashID concatenated with 0xCC that is specified in
         IEEE Std 1363a, are not supported.  Implementations that
         perform signature generation MUST omit the trailerField field,
         indicating that the default trailer field value was used.
         Implementations that perform signature validation MUST
         recognize both a present trailerField field with value 1 and an
         absent trailerField field.

         source: https://tools.ietf.org/html/rfc4055#page-9
        */
        $params = [
            'trailerField' => new BigInteger(1)
        ];
        if (isset($options['hash'])) {
            $params['hashAlgorithm']['algorithm'] = 'id-' . $options['hash'];
        }
        if (isset($options['MGFHash'])) {
            $temp = ['algorithm' => 'id-' . $options['MGFHash']];
            $temp = ASN1::encodeDER($temp, Maps\HashAlgorithm::MAP);
            $params['maskGenAlgorithm'] = [
                'algorithm' => 'id-mgf1',
                'parameters' => new ASN1\Element($temp)
            ];
        }
        if (isset($options['saltLength'])) {
            $params['saltLength'] = new BigInteger($options['saltLength']);
        }

        return new ASN1\Element(ASN1::encodeDER($params, Maps\RSASSA_PSS_params::MAP));
    }
}
PK     úˆU]Ù‚ ¢  ¢  F  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/MSBLOB.phpnu „[µü¤        <?php

/**
 * Miccrosoft BLOB Formatted RSA Key Handler
 *
 * More info:
 *
 * https://msdn.microsoft.com/en-us/library/windows/desktop/aa375601(v=vs.85).aspx
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * Microsoft BLOB Formatted RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class MSBLOB
{
    /**
     * Public/Private Key Pair
     *
     * @access private
     */
    const PRIVATEKEYBLOB = 0x7;
    /**
     * Public Key
     *
     * @access private
     */
    const PUBLICKEYBLOB = 0x6;
    /**
     * Public Key
     *
     * @access private
     */
    const PUBLICKEYBLOBEX = 0xA;
    /**
     * RSA public key exchange algorithm
     *
     * @access private
     */
    const CALG_RSA_KEYX = 0x0000A400;
    /**
     * RSA public key exchange algorithm
     *
     * @access private
     */
    const CALG_RSA_SIGN = 0x00002400;
    /**
     * Public Key
     *
     * @access private
     */
    const RSA1 = 0x31415352;
    /**
     * Private Key
     *
     * @access private
     */
    const RSA2 = 0x32415352;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        $key = Base64::decode($key);

        if (!is_string($key)) {
            throw new \UnexpectedValueException('Base64 decoding produced an error');
        }
        if (strlen($key) < 20) {
            throw new \UnexpectedValueException('Key appears to be malformed');
        }

        // PUBLICKEYSTRUC  publickeystruc
        // https://msdn.microsoft.com/en-us/library/windows/desktop/aa387453(v=vs.85).aspx
        extract(unpack('atype/aversion/vreserved/Valgo', Strings::shift($key, 8)));
        /**
         * @var string $type
         * @var string $version
         * @var integer $reserved
         * @var integer $algo
         */
        switch (ord($type)) {
            case self::PUBLICKEYBLOB:
            case self::PUBLICKEYBLOBEX:
                $publickey = true;
                break;
            case self::PRIVATEKEYBLOB:
                $publickey = false;
                break;
            default:
                throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $components = ['isPublicKey' => $publickey];

        // https://msdn.microsoft.com/en-us/library/windows/desktop/aa375549(v=vs.85).aspx
        switch ($algo) {
            case self::CALG_RSA_KEYX:
            case self::CALG_RSA_SIGN:
                break;
            default:
                throw new \UnexpectedValueException('Key appears to be malformed');
        }

        // RSAPUBKEY rsapubkey
        // https://msdn.microsoft.com/en-us/library/windows/desktop/aa387685(v=vs.85).aspx
        // could do V for pubexp but that's unsigned 32-bit whereas some PHP installs only do signed 32-bit
        extract(unpack('Vmagic/Vbitlen/a4pubexp', Strings::shift($key, 12)));
        /**
         * @var integer $magic
         * @var integer $bitlen
         * @var string $pubexp
         */
        switch ($magic) {
            case self::RSA2:
                $components['isPublicKey'] = false;
                // fall-through
            case self::RSA1:
                break;
            default:
                throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $baseLength = $bitlen / 16;
        if (strlen($key) != 2 * $baseLength && strlen($key) != 9 * $baseLength) {
            throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $components[$components['isPublicKey'] ? 'publicExponent' : 'privateExponent'] = new BigInteger(strrev($pubexp), 256);
        // BYTE modulus[rsapubkey.bitlen/8]
        $components['modulus'] = new BigInteger(strrev(Strings::shift($key, $bitlen / 8)), 256);

        if ($publickey) {
            return $components;
        }

        $components['isPublicKey'] = false;

        // BYTE prime1[rsapubkey.bitlen/16]
        $components['primes'] = [1 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)];
        // BYTE prime2[rsapubkey.bitlen/16]
        $components['primes'][] = new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256);
        // BYTE exponent1[rsapubkey.bitlen/16]
        $components['exponents'] = [1 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)];
        // BYTE exponent2[rsapubkey.bitlen/16]
        $components['exponents'][] = new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256);
        // BYTE coefficient[rsapubkey.bitlen/16]
        $components['coefficients'] = [2 => new BigInteger(strrev(Strings::shift($key, $bitlen / 16)), 256)];
        if (isset($components['privateExponent'])) {
            $components['publicExponent'] = $components['privateExponent'];
        }
        // BYTE privateExponent[rsapubkey.bitlen/8]
        $components['privateExponent'] = new BigInteger(strrev(Strings::shift($key, $bitlen / 8)), 256);

        return $components;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @param \phpseclib3\Math\BigInteger $d
     * @param array $primes
     * @param array $exponents
     * @param array $coefficients
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '')
    {
        if (count($primes) != 2) {
            throw new \InvalidArgumentException('MSBLOB does not support multi-prime RSA keys');
        }

        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('MSBLOB private keys do not support encryption');
        }

        $n = strrev($n->toBytes());
        $e = str_pad(strrev($e->toBytes()), 4, "\0");
        $key = pack('aavV', chr(self::PRIVATEKEYBLOB), chr(2), 0, self::CALG_RSA_KEYX);
        $key .= pack('VVa*', self::RSA2, 8 * strlen($n), $e);
        $key .= $n;
        $key .= strrev($primes[1]->toBytes());
        $key .= strrev($primes[2]->toBytes());
        $key .= strrev($exponents[1]->toBytes());
        $key .= strrev($exponents[2]->toBytes());
        $key .= strrev($coefficients[2]->toBytes());
        $key .= strrev($d->toBytes());

        return Base64::encode($key);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $n
     * @param \phpseclib3\Math\BigInteger $e
     * @return string
     */
    public static function savePublicKey(BigInteger $n, BigInteger $e)
    {
        $n = strrev($n->toBytes());
        $e = str_pad(strrev($e->toBytes()), 4, "\0");
        $key = pack('aavV', chr(self::PUBLICKEYBLOB), chr(2), 0, self::CALG_RSA_KEYX);
        $key .= pack('VVa*', self::RSA1, 8 * strlen($n), $e);
        $key .= $n;

        return Base64::encode($key);
    }
}
PK     ûˆU]íg¾§=  §=  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/PublicKey.phpnu „[µü¤        <?php

/**
 * RSA Public Key
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\RSA;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\RSA;
use phpseclib3\Crypt\RSA\Formats\Keys\PSS;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps\DigestInfo;
use phpseclib3\Math\BigInteger;

/**
 * Raw RSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PublicKey extends RSA implements Common\PublicKey
{
    use Common\Traits\Fingerprint;

    /**
     * Exponentiate
     *
     * @param \phpseclib3\Math\BigInteger $x
     * @return \phpseclib3\Math\BigInteger
     */
    private function exponentiate(BigInteger $x)
    {
        return $x->modPow($this->exponent, $this->modulus);
    }

    /**
     * RSAVP1
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-5.2.2 RFC3447#section-5.2.2}.
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $s
     * @return bool|\phpseclib3\Math\BigInteger
     */
    private function rsavp1($s)
    {
        if ($s->compare(self::$zero) < 0 || $s->compare($this->modulus) > 0) {
            return false;
        }
        return $this->exponentiate($s);
    }

    /**
     * RSASSA-PKCS1-V1_5-VERIFY
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-8.2.2 RFC3447#section-8.2.2}.
     *
     * @access private
     * @param string $m
     * @param string $s
     * @throws \LengthException if the RSA modulus is too short
     * @return bool
     */
    private function rsassa_pkcs1_v1_5_verify($m, $s)
    {
        // Length checking

        if (strlen($s) != $this->k) {
            return false;
        }

        // RSA verification

        $s = $this->os2ip($s);
        $m2 = $this->rsavp1($s);
        if ($m2 === false) {
            return false;
        }
        $em = $this->i2osp($m2, $this->k);
        if ($em === false) {
            return false;
        }

        // EMSA-PKCS1-v1_5 encoding

        $exception = false;

        // If the encoding operation outputs "intended encoded message length too short," output "RSA modulus
        // too short" and stop.
        try {
            $em2 = $this->emsa_pkcs1_v1_5_encode($m, $this->k);
            $r1 = hash_equals($em, $em2);
        } catch (\LengthException $e) {
            $exception = true;
        }

        try {
            $em3 = $this->emsa_pkcs1_v1_5_encode_without_null($m, $this->k);
            $r2 = hash_equals($em, $em3);
        } catch (\LengthException $e) {
            $exception = true;
        } catch (UnsupportedAlgorithmException $e) {
            $r2 = false;
        }

        if ($exception) {
            throw new \LengthException('RSA modulus too short');
        }

        // Compare
        return $r1 || $r2;
    }

    /**
     * RSASSA-PKCS1-V1_5-VERIFY (relaxed matching)
     *
     * Per {@link http://tools.ietf.org/html/rfc3447#page-43 RFC3447#page-43} PKCS1 v1.5
     * specified the use BER encoding rather than DER encoding that PKCS1 v2.0 specified.
     * This means that under rare conditions you can have a perfectly valid v1.5 signature
     * that fails to validate with _rsassa_pkcs1_v1_5_verify(). PKCS1 v2.1 also recommends
     * that if you're going to validate these types of signatures you "should indicate
     * whether the underlying BER encoding is a DER encoding and hence whether the signature
     * is valid with respect to the specification given in [PKCS1 v2.0+]". so if you do
     * $rsa->getLastPadding() and get RSA::PADDING_RELAXED_PKCS1 back instead of
     * RSA::PADDING_PKCS1... that means BER encoding was used.
     *
     * @access private
     * @param string $m
     * @param string $s
     * @return bool
     */
    private function rsassa_pkcs1_v1_5_relaxed_verify($m, $s)
    {
        // Length checking

        if (strlen($s) != $this->k) {
            return false;
        }

        // RSA verification

        $s = $this->os2ip($s);
        $m2 = $this->rsavp1($s);
        if ($m2 === false) {
            return false;
        }
        $em = $this->i2osp($m2, $this->k);
        if ($em === false) {
            return false;
        }

        if (Strings::shift($em, 2) != "\0\1") {
            return false;
        }

        $em = ltrim($em, "\xFF");
        if (Strings::shift($em) != "\0") {
            return false;
        }

        $decoded = ASN1::decodeBER($em);
        if (!is_array($decoded) || empty($decoded[0]) || strlen($em) > $decoded[0]['length']) {
            return false;
        }

        static $oids;
        if (!isset($oids)) {
            $oids = [
                'md2' => '1.2.840.113549.2.2',
                'md4' => '1.2.840.113549.2.4', // from PKCS1 v1.5
                'md5' => '1.2.840.113549.2.5',
                'id-sha1' => '1.3.14.3.2.26',
                'id-sha256' => '2.16.840.1.101.3.4.2.1',
                'id-sha384' => '2.16.840.1.101.3.4.2.2',
                'id-sha512' => '2.16.840.1.101.3.4.2.3',
                // from PKCS1 v2.2
                'id-sha224' => '2.16.840.1.101.3.4.2.4',
                'id-sha512/224' => '2.16.840.1.101.3.4.2.5',
                'id-sha512/256' => '2.16.840.1.101.3.4.2.6',
            ];
            ASN1::loadOIDs($oids);
        }

        $decoded = ASN1::asn1map($decoded[0], DigestInfo::MAP);
        if (!isset($decoded) || $decoded === false) {
            return false;
        }

        if (!isset($oids[$decoded['digestAlgorithm']['algorithm']])) {
            return false;
        }

        if (isset($decoded['digestAlgorithm']['parameters']) && $decoded['digestAlgorithm']['parameters'] !== ['null' => '']) {
            return false;
        }

        $hash = $decoded['digestAlgorithm']['algorithm'];
        $hash = substr($hash, 0, 3) == 'id-' ?
            substr($hash, 3) :
            $hash;
        $hash = new Hash($hash);
        $em = $hash->hash($m);
        $em2 = $decoded['digest'];

        return hash_equals($em, $em2);
    }

    /**
     * EMSA-PSS-VERIFY
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-9.1.2 RFC3447#section-9.1.2}.
     *
     * @access private
     * @param string $m
     * @param string $em
     * @param int $emBits
     * @return string
     */
    private function emsa_pss_verify($m, $em, $emBits)
    {
        // if $m is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
        // be output.

        $emLen = ($emBits + 7) >> 3; // ie. ceil($emBits / 8);
        $sLen = $this->sLen !== null ? $this->sLen : $this->hLen;

        $mHash = $this->hash->hash($m);
        if ($emLen < $this->hLen + $sLen + 2) {
            return false;
        }

        if ($em[strlen($em) - 1] != chr(0xBC)) {
            return false;
        }

        $maskedDB = substr($em, 0, -$this->hLen - 1);
        $h = substr($em, -$this->hLen - 1, $this->hLen);
        $temp = chr(0xFF << ($emBits & 7));
        if ((~$maskedDB[0] & $temp) != $temp) {
            return false;
        }
        $dbMask = $this->mgf1($h, $emLen - $this->hLen - 1);
        $db = $maskedDB ^ $dbMask;
        $db[0] = ~chr(0xFF << ($emBits & 7)) & $db[0];
        $temp = $emLen - $this->hLen - $sLen - 2;
        if (substr($db, 0, $temp) != str_repeat(chr(0), $temp) || ord($db[$temp]) != 1) {
            return false;
        }
        $salt = substr($db, $temp + 1); // should be $sLen long
        $m2 = "\0\0\0\0\0\0\0\0" . $mHash . $salt;
        $h2 = $this->hash->hash($m2);
        return hash_equals($h, $h2);
    }

    /**
     * RSASSA-PSS-VERIFY
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-8.1.2 RFC3447#section-8.1.2}.
     *
     * @access private
     * @param string $m
     * @param string $s
     * @return bool|string
     */
    private function rsassa_pss_verify($m, $s)
    {
        // Length checking

        if (strlen($s) != $this->k) {
            return false;
        }

        // RSA verification

        $modBits = strlen($this->modulus->toBits());

        $s2 = $this->os2ip($s);
        $m2 = $this->rsavp1($s2);
        $em = $this->i2osp($m2, $this->k);
        if ($em === false) {
            return false;
        }

        // EMSA-PSS verification

        return $this->emsa_pss_verify($m, $em, $modBits - 1);
    }

    /**
     * Verifies a signature
     *
     * @see self::sign()
     * @param string $message
     * @param string $signature
     * @return bool
     */
    public function verify($message, $signature)
    {
        switch ($this->signaturePadding) {
            case self::SIGNATURE_RELAXED_PKCS1:
                return $this->rsassa_pkcs1_v1_5_relaxed_verify($message, $signature);
            case self::SIGNATURE_PKCS1:
                return $this->rsassa_pkcs1_v1_5_verify($message, $signature);
            //case self::SIGNATURE_PSS:
            default:
                return $this->rsassa_pss_verify($message, $signature);
        }
    }

    /**
     * RSAES-PKCS1-V1_5-ENCRYPT
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-7.2.1 RFC3447#section-7.2.1}.
     *
     * @access private
     * @param string $m
     * @param bool $pkcs15_compat optional
     * @throws \LengthException if strlen($m) > $this->k - 11
     * @return bool|string
     */
    private function rsaes_pkcs1_v1_5_encrypt($m, $pkcs15_compat = false)
    {
        $mLen = strlen($m);

        // Length checking

        if ($mLen > $this->k - 11) {
            throw new \LengthException('Message too long');
        }

        // EME-PKCS1-v1_5 encoding

        $psLen = $this->k - $mLen - 3;
        $ps = '';
        while (strlen($ps) != $psLen) {
            $temp = Random::string($psLen - strlen($ps));
            $temp = str_replace("\x00", '', $temp);
            $ps .= $temp;
        }
        $type = 2;
        $em = chr(0) . chr($type) . $ps . chr(0) . $m;

        // RSA encryption
        $m = $this->os2ip($em);
        $c = $this->rsaep($m);
        $c = $this->i2osp($c, $this->k);

        // Output the ciphertext C

        return $c;
    }

    /**
     * RSAES-OAEP-ENCRYPT
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-7.1.1 RFC3447#section-7.1.1} and
     * {http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding OAES}.
     *
     * @access private
     * @param string $m
     * @throws \LengthException if strlen($m) > $this->k - 2 * $this->hLen - 2
     * @return string
     */
    private function rsaes_oaep_encrypt($m)
    {
        $mLen = strlen($m);

        // Length checking

        // if $l is larger than two million terrabytes and you're using sha1, PKCS#1 suggests a "Label too long" error
        // be output.

        if ($mLen > $this->k - 2 * $this->hLen - 2) {
            throw new \LengthException('Message too long');
        }

        // EME-OAEP encoding

        $lHash = $this->hash->hash($this->label);
        $ps = str_repeat(chr(0), $this->k - $mLen - 2 * $this->hLen - 2);
        $db = $lHash . $ps . chr(1) . $m;
        $seed = Random::string($this->hLen);
        $dbMask = $this->mgf1($seed, $this->k - $this->hLen - 1);
        $maskedDB = $db ^ $dbMask;
        $seedMask = $this->mgf1($maskedDB, $this->hLen);
        $maskedSeed = $seed ^ $seedMask;
        $em = chr(0) . $maskedSeed . $maskedDB;

        // RSA encryption

        $m = $this->os2ip($em);
        $c = $this->rsaep($m);
        $c = $this->i2osp($c, $this->k);

        // Output the ciphertext C

        return $c;
    }

    /**
     * RSAEP
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-5.1.1 RFC3447#section-5.1.1}.
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $m
     * @return bool|\phpseclib3\Math\BigInteger
     */
    private function rsaep($m)
    {
        if ($m->compare(self::$zero) < 0 || $m->compare($this->modulus) > 0) {
            throw new \OutOfRangeException('Message representative out of range');
        }
        return $this->exponentiate($m);
    }

    /**
     * Raw Encryption / Decryption
     *
     * Doesn't use padding and is not recommended.
     *
     * @access private
     * @param string $m
     * @return bool|string
     * @throws \LengthException if strlen($m) > $this->k
     */
    private function raw_encrypt($m)
    {
        if (strlen($m) > $this->k) {
            throw new \LengthException('Message too long');
        }

        $temp = $this->os2ip($m);
        $temp = $this->rsaep($temp);
        return  $this->i2osp($temp, $this->k);
    }

    /**
     * Encryption
     *
     * Both self::PADDING_OAEP and self::PADDING_PKCS1 both place limits on how long $plaintext can be.
     * If $plaintext exceeds those limits it will be broken up so that it does and the resultant ciphertext's will
     * be concatenated together.
     *
     * @see self::decrypt()
     * @access public
     * @param string $plaintext
     * @return bool|string
     * @throws \LengthException if the RSA modulus is too short
     */
    public function encrypt($plaintext)
    {
        switch ($this->encryptionPadding) {
            case self::ENCRYPTION_NONE:
                return $this->raw_encrypt($plaintext);
            case self::ENCRYPTION_PKCS1:
                return $this->rsaes_pkcs1_v1_5_encrypt($plaintext);
            //case self::ENCRYPTION_OAEP:
            default:
                return $this->rsaes_oaep_encrypt($plaintext);
        }
    }

    /**
     * Returns the public key
     *
     * The public key is only returned under two circumstances - if the private key had the public key embedded within it
     * or if the public key was set via setPublicKey().  If the currently loaded key is supposed to be the public key this
     * function won't return it since this library, for the most part, doesn't distinguish between public and private keys.
     *
     * @param string $type
     * @param array $options optional
     * @return mixed
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePublicKey');

        if ($type == PSS::class) {
            if ($this->signaturePadding == self::SIGNATURE_PSS) {
                $options += [
                    'hash' => $this->hash->getHash(),
                    'MGFHash' => $this->mgfHash->getHash(),
                    'saltLength' => $this->getSaltLength()
                ];
            } else {
                throw new UnsupportedFormatException('The PSS format can only be used when the signature method has been explicitly set to PSS');
            }
        }

        return $type::savePublicKey($this->modulus, $this->publicExponent, $options);
    }

    /**
     * Converts a public key to a private key
     *
     * @return RSA
     */
    public function asPrivateKey()
    {
        $new = new PrivateKey();
        $new->exponent = $this->exponent;
        $new->modulus = $this->modulus;
        $new->k = $this->k;
        $new->format = $this->format;
        return $new
            ->withHash($this->hash->getHash())
            ->withMGFHash($this->mgfHash->getHash())
            ->withSaltLength($this->sLen)
            ->withLabel($this->label)
            ->withPadding($this->signaturePadding | $this->encryptionPadding);
    }
}
PK     ûˆU]m¨�«w  w  =  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/PrivateKey.phpnu „[µü¤        <?php

/**
 * DSA Private Key
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\DSA\Formats\Signature\ASN1 as ASN1Signature;
use phpseclib3\Math\BigInteger;

/**
 * DSA Private Key
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PrivateKey extends DSA implements Common\PrivateKey
{
    use Common\Traits\PasswordProtected;

    /**
     * DSA secret exponent x
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $x;

    /**
     * Returns the public key
     *
     * If you do "openssl rsa -in private.rsa -pubout -outform PEM" you get a PKCS8 formatted key
     * that contains a publicKeyAlgorithm AlgorithmIdentifier and a publicKey BIT STRING.
     * An AlgorithmIdentifier contains an OID and a parameters field. With RSA public keys this
     * parameters field is NULL. With DSA PKCS8 public keys it is not - it contains the p, q and g
     * variables. The publicKey BIT STRING contains, simply, the y variable. This can be verified
     * by getting a DSA PKCS8 public key:
     *
     * "openssl dsa -in private.dsa -pubout -outform PEM"
     *
     * ie. just swap out rsa with dsa in the rsa command above.
     *
     * A PKCS1 public key corresponds to the publicKey portion of the PKCS8 key. In the case of RSA
     * the publicKey portion /is/ the key. In the case of DSA it is not. You cannot verify a signature
     * without the parameters and the PKCS1 DSA public key format does not include the parameters.
     *
     * @see self::getPrivateKey()
     * @access public
     * @return mixed
     */
    public function getPublicKey()
    {
        $type = self::validatePlugin('Keys', 'PKCS8', 'savePublicKey');

        if (!isset($this->y)) {
            $this->y = $this->g->powMod($this->x, $this->p);
        }

        $key = $type::savePublicKey($this->p, $this->q, $this->g, $this->y);

        return DSA::loadFormat('PKCS8', $key)
            ->withHash($this->hash->getHash())
            ->withSignatureFormat($this->shortFormat);
    }

    /**
     * Create a signature
     *
     * @see self::verify()
     * @access public
     * @param string $message
     * @return mixed
     */
    public function sign($message)
    {
        $format = $this->sigFormat;

        if (self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods())) {
            $signature = '';
            $result = openssl_sign($message, $signature, $this->toString('PKCS8'), $this->hash->getHash());

            if ($result) {
                if ($this->shortFormat == 'ASN1') {
                    return $signature;
                }

                extract(ASN1Signature::load($signature));

                return $format::save($r, $s);
            }
        }

        $h = $this->hash->hash($message);
        $h = $this->bits2int($h);

        while (true) {
            $k = BigInteger::randomRange(self::$one, $this->q->subtract(self::$one));
            $r = $this->g->powMod($k, $this->p);
            list(, $r) = $r->divide($this->q);
            if ($r->equals(self::$zero)) {
                continue;
            }
            $kinv = $k->modInverse($this->q);
            $temp = $h->add($this->x->multiply($r));
            $temp = $kinv->multiply($temp);
            list(, $s) = $temp->divide($this->q);
            if (!$s->equals(self::$zero)) {
                break;
            }
        }

        // the following is an RFC6979 compliant implementation of deterministic DSA
        // it's unused because it's mainly intended for use when a good CSPRNG isn't
        // available. if phpseclib's CSPRNG isn't good then even key generation is
        // suspect
        /*
        $h1 = $this->hash->hash($message);
        $k = $this->computek($h1);
        $r = $this->g->powMod($k, $this->p);
        list(, $r) = $r->divide($this->q);
        $kinv = $k->modInverse($this->q);
        $h1 = $this->bits2int($h1);
        $temp = $h1->add($this->x->multiply($r));
        $temp = $kinv->multiply($temp);
        list(, $s) = $temp->divide($this->q);
        */

        return $format::save($r, $s);
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePrivateKey');

        if (!isset($this->y)) {
            $this->y = $this->g->powMod($this->x, $this->p);
        }

        return $type::savePrivateKey($this->p, $this->q, $this->g, $this->y, $this->x, $this->password, $options);
    }
}
PK     ûˆU]‹¾îÁ  Á  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/XML.phpnu „[µü¤        <?php

/**
 * XML Formatted DSA Key Handler
 *
 * While XKMS defines a private key format for RSA it does not do so for DSA. Quoting that standard:
 *
 * "[XKMS] does not specify private key parameters for the DSA signature algorithm since the algorithm only
 *  supports signature modes and so the application of server generated keys and key recovery is of limited
 *  value"
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\Math\BigInteger;

/**
 * XML Formatted DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class XML
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (!class_exists('DOMDocument')) {
            throw new BadConfigurationException('The dom extension is not setup correctly on this system');
        }

        $use_errors = libxml_use_internal_errors(true);

        $dom = new \DOMDocument();
        if (substr($key, 0, 5) != '<?xml') {
            $key = '<xml>' . $key . '</xml>';
        }
        if (!$dom->loadXML($key)) {
            libxml_use_internal_errors($use_errors);
            throw new \UnexpectedValueException('Key does not appear to contain XML');
        }
        $xpath = new \DOMXPath($dom);
        $keys = ['p', 'q', 'g', 'y', 'j', 'seed', 'pgencounter'];
        foreach ($keys as $key) {
            // $dom->getElementsByTagName($key) is case-sensitive
            $temp = $xpath->query("//*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$key']");
            if (!$temp->length) {
                continue;
            }
            $value = new BigInteger(Base64::decode($temp->item(0)->nodeValue), 256);
            switch ($key) {
                case 'p': // a prime modulus meeting the [DSS] requirements
                    // Parameters P, Q, and G can be public and common to a group of users. They might be known
                    // from application context. As such, they are optional but P and Q must either both appear
                    // or both be absent
                    $components['p'] = $value;
                    break;
                case 'q': // an integer in the range 2**159 < Q < 2**160 which is a prime divisor of P-1
                    $components['q'] = $value;
                    break;
                case 'g': // an integer with certain properties with respect to P and Q
                    $components['g'] = $value;
                    break;
                case 'y': // G**X mod P (where X is part of the private key and not made public)
                    $components['y'] = $value;
                    // the remaining options do not do anything
                case 'j': // (P - 1) / Q
                    // Parameter J is available for inclusion solely for efficiency as it is calculatable from
                    // P and Q
                case 'seed': // a DSA prime generation seed
                    // Parameters seed and pgenCounter are used in the DSA prime number generation algorithm
                    // specified in [DSS]. As such, they are optional but must either both be present or both
                    // be absent
                case 'pgencounter': // a DSA prime generation counter
            }
        }

        libxml_use_internal_errors($use_errors);

        if (!isset($components['y'])) {
            throw new \UnexpectedValueException('Key is missing y component');
        }

        switch (true) {
            case !isset($components['p']):
            case !isset($components['q']):
            case !isset($components['g']):
                return ['y' => $components['y']];
        }

        return $components;
    }

    /**
     * Convert a public key to the appropriate format
     *
     * See https://www.w3.org/TR/xmldsig-core/#sec-DSAKeyValue
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y)
    {
        return "<DSAKeyValue>\r\n" .
               '  <P>' . Base64::encode($p->toBytes()) . "</P>\r\n" .
               '  <Q>' . Base64::encode($q->toBytes()) . "</Q>\r\n" .
               '  <G>' . Base64::encode($g->toBytes()) . "</G>\r\n" .
               '  <Y>' . Base64::encode($y->toBytes()) . "</Y>\r\n" .
               '</DSAKeyValue>';
    }
}
PK     ûˆU]¬½;7  7  E  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PuTTY.phpnu „[µü¤        <?php

/**
 * PuTTY Formatted DSA Key Handler
 *
 * puttygen does not generate DSA keys with an N of anything other than 160, however,
 * it can still load them and convert them. PuTTY will load them, too, but SSH servers
 * won't accept them. Since PuTTY formatted keys are primarily used with SSH this makes
 * keys with N > 160 kinda useless, hence this handlers not supporting such keys.
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PuTTY as Progenitor;
use phpseclib3\Math\BigInteger;

/**
 * PuTTY Formatted DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PuTTY extends Progenitor
{
    /**
     * Public Handler
     *
     * @var string
     * @access private
     */
    const PUBLIC_HANDLER = 'phpseclib3\Crypt\DSA\Formats\Keys\OpenSSH';

    /**
     * Algorithm Identifier
     *
     * @var array
     * @access private
     */
    protected static $types = ['ssh-dss'];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $components = parent::load($key, $password);
        if (!isset($components['private'])) {
            return $components;
        }
        extract($components);
        unset($components['public'], $components['private']);

        list($p, $q, $g, $y) = Strings::unpackSSH2('iiii', $public);
        list($x) = Strings::unpackSSH2('i', $private);

        return compact('p', 'q', 'g', 'y', 'x', 'comment');
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = false, array $options = [])
    {
        if ($q->getLength() != 160) {
            throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160');
        }

        $public = Strings::packSSH2('iiii', $p, $q, $g, $y);
        $private = Strings::packSSH2('i', $x);

        return self::wrapPrivateKey($public, $private, 'ssh-dsa', $password, $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y)
    {
        if ($q->getLength() != 160) {
            throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160');
        }

        return self::wrapPublicKey(Strings::packSSH2('iiii', $p, $q, $g, $y), 'ssh-dsa');
    }
}
PK     ûˆU]¥(t~%  %  G  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/OpenSSH.phpnu „[µü¤        <?php

/**
 * OpenSSH Formatted DSA Key Handler
 *
 * PHP version 5
 *
 * Place in $HOME/.ssh/authorized_keys
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\OpenSSH as Progenitor;
use phpseclib3\Math\BigInteger;

/**
 * OpenSSH Formatted DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSH extends Progenitor
{
    /**
     * Supported Key Types
     *
     * @var array
     */
    protected static $types = ['ssh-dss'];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $parsed = parent::load($key, $password);

        if (isset($parsed['paddedKey'])) {
            list($type) = Strings::unpackSSH2('s', $parsed['paddedKey']);
            if ($type != $parsed['type']) {
                throw new \RuntimeException("The public and private keys are not of the same type ($type vs $parsed[type])");
            }

            list($p, $q, $g, $y, $x, $comment) = Strings::unpackSSH2('i5s', $parsed['paddedKey']);

            return compact('p', 'q', 'g', 'y', 'x', 'comment');
        }

        list($p, $q, $g, $y) = Strings::unpackSSH2('iiii', $parsed['publicKey']);

        $comment = $parsed['comment'];

        return compact('p', 'q', 'g', 'y', 'comment');
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, array $options = [])
    {
        if ($q->getLength() != 160) {
            throw new \InvalidArgumentException('SSH only supports keys with an N (length of Group Order q) of 160');
        }

        // from <http://tools.ietf.org/html/rfc4253#page-15>:
        // string    "ssh-dss"
        // mpint     p
        // mpint     q
        // mpint     g
        // mpint     y
        $DSAPublicKey = Strings::packSSH2('siiii', 'ssh-dss', $p, $q, $g, $y);

        if (isset($options['binary']) ? $options['binary'] : self::$binary) {
            return $DSAPublicKey;
        }

        $comment = isset($options['comment']) ? $options['comment'] : self::$comment;
        $DSAPublicKey = 'ssh-dss ' . base64_encode($DSAPublicKey) . ' ' . $comment;

        return $DSAPublicKey;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '', array $options = [])
    {
        $publicKey = self::savePublicKey($p, $q, $g, $y, ['binary' => true]);
        $privateKey = Strings::packSSH2('si5', 'ssh-dss', $p, $q, $g, $y, $x);

        return self::wrapPrivateKey($publicKey, $privateKey, $password, $options);
    }
}
PK     üˆU]©¸u �  �  E  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PKCS1.phpnu „[µü¤        <?php

/**
 * PKCS#1 Formatted DSA Key Handler
 *
 * PHP version 5
 *
 * Used by File/X509.php
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN DSA PRIVATE KEY-----
 * -----BEGIN DSA PUBLIC KEY-----
 * -----BEGIN DSA PARAMETERS-----
 *
 * Analogous to ssh-keygen's pem format (as specified by -m)
 *
 * Also, technically, PKCS1 decribes RSA but I am not aware of a formal specification for DSA.
 * The DSA private key format seems to have been adapted from the RSA private key format so
 * we're just re-using that as the name.
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS1 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#1 Formatted DSA Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS1 extends Progenitor
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $key = parent::load($key, $password);

        $decoded = ASN1::decodeBER($key);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        $key = ASN1::asn1map($decoded[0], Maps\DSAParams::MAP);
        if (is_array($key)) {
            return $key;
        }

        $key = ASN1::asn1map($decoded[0], Maps\DSAPrivateKey::MAP);
        if (is_array($key)) {
            return $key;
        }

        $key = ASN1::asn1map($decoded[0], Maps\DSAPublicKey::MAP);
        if (is_array($key)) {
            return $key;
        }

        throw new \RuntimeException('Unable to perform ASN1 mapping');
    }

    /**
     * Convert DSA parameters to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @return string
     */
    public static function saveParameters(BigInteger $p, BigInteger $q, BigInteger $g)
    {
        $key = [
            'p' => $p,
            'q' => $q,
            'g' => $g
        ];

        $key = ASN1::encodeDER($key, Maps\DSAParams::MAP);

        return "-----BEGIN DSA PARAMETERS-----\r\n" .
               chunk_split(Base64::encode($key), 64) .
               "-----END DSA PARAMETERS-----\r\n";
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '', array $options = [])
    {
        $key = [
            'version' => 0,
            'p' => $p,
            'q' => $q,
            'g' => $g,
            'y' => $y,
            'x' => $x
        ];

        $key = ASN1::encodeDER($key, Maps\DSAPrivateKey::MAP);

        return self::wrapPrivateKey($key, 'DSA', $password, $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y)
    {
        $key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP);

        return self::wrapPublicKey($key, 'DSA');
    }
}
PK     üˆU]{<ÃÜˆ
  ˆ
  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/Raw.phpnu „[µü¤        <?php

/**
 * Raw DSA Key Handler
 *
 * PHP version 5
 *
 * Reads and creates arrays as DSA keys
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use phpseclib3\Math\BigInteger;

/**
 * Raw DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Raw
{
    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param array $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!is_array($key)) {
            throw new \UnexpectedValueException('Key should be a array - not a ' . gettype($key));
        }

        switch (true) {
            case !isset($key['p']) || !isset($key['q']) || !isset($key['g']):
            case !$key['p'] instanceof BigInteger:
            case !$key['q'] instanceof BigInteger:
            case !$key['g'] instanceof BigInteger:
            case !isset($key['x']) && !isset($key['y']):
            case isset($key['x']) && !$key['x'] instanceof BigInteger:
            case isset($key['y']) && !$key['y'] instanceof BigInteger:
                throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $options = ['p' => 1, 'q' => 1, 'g' => 1, 'x' => 1, 'y' => 1];

        return array_intersect_key($key, $options);
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '')
    {
        return compact('p', 'q', 'g', 'y', 'x');
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y)
    {
        return compact('p', 'q', 'g', 'y');
    }
}
PK     üˆU]ï
&gw  w  E  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PKCS8.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted DSA Key Handler
 *
 * PHP version 5
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
 * is specific to private keys it's basically creating a DER-encoded wrapper
 * for keys. This just extends that same concept to public keys (much like ssh-keygen)
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#8 Formatted DSA Key Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends Progenitor
{
    /**
     * OID Name
     *
     * @var string
     * @access private
     */
    const OID_NAME = 'id-dsa';

    /**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = '1.2.840.10040.4.1';

    /**
     * Child OIDs loaded
     *
     * @var bool
     * @access private
     */
    protected static $childOIDsLoaded = false;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        $isPublic = strpos($key, 'PUBLIC') !== false;

        $key = parent::load($key, $password);

        $type = isset($key['privateKey']) ? 'privateKey' : 'publicKey';

        switch (true) {
            case !$isPublic && $type == 'publicKey':
                throw new \UnexpectedValueException('Human readable string claims non-public key but DER encoded string claims public key');
            case $isPublic && $type == 'privateKey':
                throw new \UnexpectedValueException('Human readable string claims public key but DER encoded string claims private key');
        }

        $decoded = ASN1::decodeBER($key[$type . 'Algorithm']['parameters']->element);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER of parameters');
        }
        $components = ASN1::asn1map($decoded[0], Maps\DSAParams::MAP);
        if (!is_array($components)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping on parameters');
        }

        $decoded = ASN1::decodeBER($key[$type]);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        $var = $type == 'privateKey' ? 'x' : 'y';
        $components[$var] = ASN1::asn1map($decoded[0], Maps\DSAPublicKey::MAP);
        if (!$components[$var] instanceof BigInteger) {
            throw new \RuntimeException('Unable to perform ASN1 mapping');
        }

        if (isset($key['meta'])) {
            $components['meta'] = $key['meta'];
        }

        return $components;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param \phpseclib3\Math\BigInteger $x
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, BigInteger $x, $password = '', array $options = [])
    {
        $params = [
            'p' => $p,
            'q' => $q,
            'g' => $g
        ];
        $params = ASN1::encodeDER($params, Maps\DSAParams::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($x, Maps\DSAPublicKey::MAP);
        return self::wrapPrivateKey($key, [], $params, $password, null, '', $options);
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $p
     * @param \phpseclib3\Math\BigInteger $q
     * @param \phpseclib3\Math\BigInteger $g
     * @param \phpseclib3\Math\BigInteger $y
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BigInteger $p, BigInteger $q, BigInteger $g, BigInteger $y, array $options = [])
    {
        $params = [
            'p' => $p,
            'q' => $q,
            'g' => $g
        ];
        $params = ASN1::encodeDER($params, Maps\DSAParams::MAP);
        $params = new ASN1\Element($params);
        $key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP);
        return self::wrapPublicKey($key, $params);
    }
}
PK     üˆU]´[¡    I  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/ASN1.phpnu „[µü¤        <?php

/**
 * ASN1 Signature Handler
 *
 * PHP version 5
 *
 * Handles signatures in the format described in
 * https://tools.ietf.org/html/rfc3279#section-2.2.2
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Signature;

use phpseclib3\File\ASN1 as Encoder;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * ASN1 Signature Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ASN1
{
    /**
     * Loads a signature
     *
     * @access public
     * @param string $sig
     * @return array|bool
     */
    public static function load($sig)
    {
        if (!is_string($sig)) {
            return false;
        }

        $decoded = Encoder::decodeBER($sig);
        if (empty($decoded)) {
            return false;
        }
        $components = Encoder::asn1map($decoded[0], Maps\DssSigValue::MAP);

        return $components;
    }

    /**
     * Returns a signature in the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $r
     * @param \phpseclib3\Math\BigInteger $s
     * @return string
     */
    public static function save(BigInteger $r, BigInteger $s)
    {
        return Encoder::encodeDER(compact('r', 's'), Maps\DssSigValue::MAP);
    }
}
PK     üˆU]ÝàêŠF  F  I  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/SSH2.phpnu „[µü¤        <?php

/**
 * SSH2 Signature Handler
 *
 * PHP version 5
 *
 * Handles signatures in the format used by SSH2
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Signature;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Math\BigInteger;

/**
 * SSH2 Signature Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SSH2
{
    /**
     * Loads a signature
     *
     * @access public
     * @param string $sig
     * @return mixed
     */
    public static function load($sig)
    {
        if (!is_string($sig)) {
            return false;
        }

        $result = Strings::unpackSSH2('ss', $sig);
        if ($result === false) {
            return false;
        }
        list($type, $blob) = $result;
        if ($type != 'ssh-dss' || strlen($blob) != 40) {
            return false;
        }

        return [
            'r' => new BigInteger(substr($blob, 0, 20), 256),
            's' => new BigInteger(substr($blob, 20), 256)
        ];
    }

    /**
     * Returns a signature in the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $r
     * @param \phpseclib3\Math\BigInteger $s
     * @return string
     */
    public static function save(BigInteger $r, BigInteger $s)
    {
        if ($r->getLength() > 160 || $s->getLength() > 160) {
            return false;
        }
        return Strings::packSSH2(
            'ss',
            'ssh-dss',
            str_pad($r->toBytes(), 20, "\0", STR_PAD_LEFT) .
            str_pad($s->toBytes(), 20, "\0", STR_PAD_LEFT)
        );
    }
}
PK     üˆU]L˜.ZS  S  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/Raw.phpnu „[µü¤        <?php

/**
 * Raw DSA Signature Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA\Formats\Signature;

use phpseclib3\Crypt\Common\Formats\Signature\Raw as Progenitor;

/**
 * Raw DSA Signature Handler
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Raw extends Progenitor
{
}
PK     üˆU]S2v"Z  Z  =  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Parameters.phpnu „[µü¤        <?php

/**
 * DSA Parameters
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA;

use phpseclib3\Crypt\DSA;

/**
 * DSA Parameters
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Parameters extends DSA
{
    /**
     * Returns the parameters
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type = 'PKCS1', array $options = [])
    {
        $type = self::validatePlugin('Keys', 'PKCS1', 'saveParameters');

        return $type::saveParameters($this->p, $this->q, $this->g, $options);
    }
}
PK     üˆU]W¥I¢	  ¢	  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/PublicKey.phpnu „[µü¤        <?php

/**
 * DSA Public Key
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\DSA;

use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\DSA\Formats\Signature\ASN1 as ASN1Signature;

/**
 * DSA Public Key
 *
 * @package DSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PublicKey extends DSA implements Common\PublicKey
{
    use Common\Traits\Fingerprint;

    /**
     * Verify a signature
     *
     * @see self::verify()
     * @access public
     * @param string $message
     * @param string $signature
     * @return mixed
     */
    public function verify($message, $signature)
    {
        $format = $this->sigFormat;

        $params = $format::load($signature);
        if ($params === false || count($params) != 2) {
            return false;
        }
        extract($params);

        if (self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods())) {
            $sig = $format != 'ASN1' ? ASN1Signature::save($r, $s) : $signature;

            $result = openssl_verify($message, $sig, $this->toString('PKCS8'), $this->hash->getHash());

            if ($result != -1) {
                return (bool) $result;
            }
        }

        $q_1 = $this->q->subtract(self::$one);
        if (!$r->between(self::$one, $q_1) || !$s->between(self::$one, $q_1)) {
            return false;
        }

        $w = $s->modInverse($this->q);
        $h = $this->hash->hash($message);
        $h = $this->bits2int($h);
        list(, $u1) = $h->multiply($w)->divide($this->q);
        list(, $u2) = $r->multiply($w)->divide($this->q);
        $v1 = $this->g->powMod($u1, $this->p);
        $v2 = $this->y->powMod($u2, $this->p);
        list(, $v) = $v1->multiply($v2)->divide($this->p);
        list(, $v) = $v->divide($this->q);

        return $v->equals($r);
    }

    /**
     * Returns the public key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePublicKey');

        return $type::savePublicKey($this->p, $this->q, $this->g, $this->y, $options);
    }
}
PK     üˆU]îIã%  %  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/PrivateKey.phpnu „[µü¤        <?php

/**
 * EC Private Key
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\EC;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Crypt\EC\Formats\Keys\PKCS1;
use phpseclib3\Crypt\EC\Formats\Signature\ASN1 as ASN1Signature;
use phpseclib3\Crypt\Hash;
use phpseclib3\Exception\UnsupportedOperationException;
use phpseclib3\Math\BigInteger;

/**
 * EC Private Key
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PrivateKey extends EC implements Common\PrivateKey
{
    use Common\Traits\PasswordProtected;

    /**
     * Private Key dA
     *
     * sign() converts this to a BigInteger so one might wonder why this is a FiniteFieldInteger instead of
     * a BigInteger. That's because a FiniteFieldInteger, when converted to a byte string, is null padded by
     * a certain amount whereas a BigInteger isn't.
     *
     * @var object
     */
    protected $dA;

    /**
     * Multiplies an encoded point by the private key
     *
     * Used by ECDH
     *
     * @param string $coordinates
     * @return string
     */
    public function multiply($coordinates)
    {
        if ($this->curve instanceof MontgomeryCurve) {
            if ($this->curve instanceof Curve25519 && self::$engines['libsodium']) {
                return sodium_crypto_scalarmult($this->dA->toBytes(), $coordinates);
            }

            $point = [$this->curve->convertInteger(new BigInteger(strrev($coordinates), 256))];
            $point = $this->curve->multiplyPoint($point, $this->dA);
            return strrev($point[0]->toBytes(true));
        }
        if (!$this->curve instanceof TwistedEdwardsCurve) {
            $coordinates = "\0$coordinates";
        }
        $point = PKCS1::extractPoint($coordinates, $this->curve);
        $point = $this->curve->multiplyPoint($point, $this->dA);
        if ($this->curve instanceof TwistedEdwardsCurve) {
            return $this->curve->encodePoint($point);
        }
        if (empty($point)) {
            throw new \RuntimeException('The infinity point is invalid');
        }
        return "\4" . $point[0]->toBytes(true) . $point[1]->toBytes(true);
    }

    /**
     * Create a signature
     *
     * @see self::verify()
     * @access public
     * @param string $message
     * @return mixed
     */
    public function sign($message)
    {
        if ($this->curve instanceof MontgomeryCurve) {
            throw new UnsupportedOperationException('Montgomery Curves cannot be used to create signatures');
        }

        $dA = $this->dA;
        $order = $this->curve->getOrder();

        $shortFormat = $this->shortFormat;
        $format = $this->sigFormat;
        if ($format === false) {
            return false;
        }

        if ($this->curve instanceof TwistedEdwardsCurve) {
            if ($this->curve instanceof Ed25519 && self::$engines['libsodium'] && !isset($this->context)) {
                $result = sodium_crypto_sign_detached($message, $this->withPassword()->toString('libsodium'));
                return $shortFormat == 'SSH2' ? Strings::packSSH2('ss', 'ssh-' . strtolower($this->getCurve()), $result) : $result;
            }

            // contexts (Ed25519ctx) are supported but prehashing (Ed25519ph) is not.
            // quoting https://tools.ietf.org/html/rfc8032#section-8.5 ,
            // "The Ed25519ph and Ed448ph variants ... SHOULD NOT be used"
            $A = $this->curve->encodePoint($this->QA);
            $curve = $this->curve;
            $hash = new Hash($curve::HASH);

            $secret = substr($hash->hash($this->dA->secret), $curve::SIZE);

            if ($curve instanceof Ed25519) {
                $dom = !isset($this->context) ? '' :
                    'SigEd25519 no Ed25519 collisions' . "\0" . chr(strlen($this->context)) . $this->context;
            } else {
                $context = isset($this->context) ? $this->context : '';
                $dom = 'SigEd448' . "\0" . chr(strlen($context)) . $context;
            }
            // SHA-512(dom2(F, C) || prefix || PH(M))
            $r = $hash->hash($dom . $secret . $message);
            $r = strrev($r);
            $r = new BigInteger($r, 256);
            list(, $r) = $r->divide($order);
            $R = $curve->multiplyPoint($curve->getBasePoint(), $r);
            $R = $curve->encodePoint($R);
            $k = $hash->hash($dom . $R . $A . $message);
            $k = strrev($k);
            $k = new BigInteger($k, 256);
            list(, $k) = $k->divide($order);
            $S = $k->multiply($dA)->add($r);
            list(, $S) = $S->divide($order);
            $S = str_pad(strrev($S->toBytes()), $curve::SIZE, "\0");
            return $shortFormat == 'SSH2' ? Strings::packSSH2('ss', 'ssh-' . strtolower($this->getCurve()), $R . $S) : $R . $S;
        }

        if (self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods())) {
            $signature = '';
            // altho PHP's OpenSSL bindings only supported EC key creation in PHP 7.1 they've long
            // supported signing / verification
            // we use specified curves to avoid issues with OpenSSL possibly not supporting a given named curve;
            // doing this may mean some curve-specific optimizations can't be used but idk if OpenSSL even
            // has curve-specific optimizations
            $result = openssl_sign($message, $signature, $this->toString('PKCS8', ['namedCurve' => false]), $this->hash->getHash());

            if ($result) {
                if ($shortFormat == 'ASN1') {
                    return $signature;
                }

                extract(ASN1Signature::load($signature));

                return $shortFormat == 'SSH2' ? $format::save($r, $s, $this->getCurve()) : $format::save($r, $s);
            }
        }

        $e = $this->hash->hash($message);
        $e = new BigInteger($e, 256);

        $Ln = $this->hash->getLength() - $order->getLength();
        $z = $Ln > 0 ? $e->bitwise_rightShift($Ln) : $e;

        while (true) {
            $k = BigInteger::randomRange(self::$one, $order->subtract(self::$one));
            list($x, $y) = $this->curve->multiplyPoint($this->curve->getBasePoint(), $k);
            $x = $x->toBigInteger();
            list(, $r) = $x->divide($order);
            if ($r->equals(self::$zero)) {
                continue;
            }
            $kinv = $k->modInverse($order);
            $temp = $z->add($dA->multiply($r));
            $temp = $kinv->multiply($temp);
            list(, $s) = $temp->divide($order);
            if (!$s->equals(self::$zero)) {
                break;
            }
        }

        // the following is an RFC6979 compliant implementation of deterministic ECDSA
        // it's unused because it's mainly intended for use when a good CSPRNG isn't
        // available. if phpseclib's CSPRNG isn't good then even key generation is
        // suspect
        /*
        // if this were actually being used it'd probably be better if this lived in load() and createKey()
        $this->q = $this->curve->getOrder();
        $dA = $this->dA->toBigInteger();
        $this->x = $dA;

        $h1 = $this->hash->hash($message);
        $k = $this->computek($h1);
        list($x, $y) = $this->curve->multiplyPoint($this->curve->getBasePoint(), $k);
        $x = $x->toBigInteger();
        list(, $r) = $x->divide($this->q);
        $kinv = $k->modInverse($this->q);
        $h1 = $this->bits2int($h1);
        $temp = $h1->add($dA->multiply($r));
        $temp = $kinv->multiply($temp);
        list(, $s) = $temp->divide($this->q);
        */

        return $shortFormat == 'SSH2' ? $format::save($r, $s, $this->getCurve()) : $format::save($r, $s);
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePrivateKey');

        return $type::savePrivateKey($this->dA, $this->curve, $this->QA, $this->password, $options);
    }

    /**
     * Returns the public key
     *
     * @see self::getPrivateKey()
     * @access public
     * @return mixed
     */
    public function getPublicKey()
    {
        $format = 'PKCS8';
        if ($this->curve instanceof MontgomeryCurve) {
            $format = 'MontgomeryPublic';
        }

        $type = self::validatePlugin('Keys', $format, 'savePublicKey');

        $key = $type::savePublicKey($this->curve, $this->QA);
        $key = EC::loadFormat($format, $key);
        if ($this->curve instanceof MontgomeryCurve) {
            return $key;
        }
        $key = $key
            ->withHash($this->hash->getHash())
            ->withSignatureFormat($this->shortFormat);
        if ($this->curve instanceof TwistedEdwardsCurve) {
            $key = $key->withContext($this->context);
        }
        return $key;
    }
}
PK     üˆU]5eTHF  F  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/XML.phpnu „[µü¤        <?php

/**
 * XML Formatted EC Key Handler
 *
 * More info:
 *
 * https://www.w3.org/TR/xmldsig-core/#sec-ECKeyValue
 * http://en.wikipedia.org/wiki/XML_Signature
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\Prime as PrimeCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\Math\BigInteger;

/**
 * XML Formatted EC Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class XML
{
    use Common;

    /**
     * Default namespace
     *
     * @var string
     */
    private static $namespace;

    /**
     * Flag for using RFC4050 syntax
     *
     * @var bool
     */
    private static $rfc4050 = false;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        self::initialize_static_variables();

        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (!class_exists('DOMDocument')) {
            throw new BadConfigurationException('The dom extension is not setup correctly on this system');
        }

        $use_errors = libxml_use_internal_errors(true);

        $temp = self::isolateNamespace($key, 'http://www.w3.org/2009/xmldsig11#');
        if ($temp) {
            $key = $temp;
        }

        $temp = self::isolateNamespace($key, 'http://www.w3.org/2001/04/xmldsig-more#');
        if ($temp) {
            $key = $temp;
        }

        $dom = new \DOMDocument();
        if (substr($key, 0, 5) != '<?xml') {
            $key = '<xml>' . $key . '</xml>';
        }

        if (!$dom->loadXML($key)) {
            libxml_use_internal_errors($use_errors);
            throw new \UnexpectedValueException('Key does not appear to contain XML');
        }
        $xpath = new \DOMXPath($dom);
        libxml_use_internal_errors($use_errors);
        $curve = self::loadCurveByParam($xpath);

        $pubkey = self::query($xpath, 'publickey', 'Public Key is not present');

        $QA = self::query($xpath, 'ecdsakeyvalue')->length ?
            self::extractPointRFC4050($xpath, $curve) :
            self::extractPoint("\0" . $pubkey, $curve);

        libxml_use_internal_errors($use_errors);

        return compact('curve', 'QA');
    }

    /**
     * Case-insensitive xpath query
     *
     * @param \DOMXPath $xpath
     * @param string $name
     * @param string $error optional
     * @param bool $decode optional
     * @return \DOMNodeList
     */
    private static function query($xpath, $name, $error = null, $decode = true)
    {
        $query = '/';
        $names = explode('/', $name);
        foreach ($names as $name) {
            $query .= "/*[translate(local-name(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ','abcdefghijklmnopqrstuvwxyz')='$name']";
        }
        $result = $xpath->query($query);
        if (!isset($error)) {
            return $result;
        }

        if (!$result->length) {
            throw new \RuntimeException($error);
        }
        return $decode ? self::decodeValue($result->item(0)->textContent) : $result->item(0)->textContent;
    }

    /**
     * Finds the first element in the relevant namespace, strips the namespacing and returns the XML for that element.
     *
     * @param string $xml
     * @param string $ns
     */
    private static function isolateNamespace($xml, $ns)
    {
        $dom = new \DOMDocument();
        if (!$dom->loadXML($xml)) {
            return false;
        }
        $xpath = new \DOMXPath($dom);
        $nodes = $xpath->query("//*[namespace::*[.='$ns'] and not(../namespace::*[.='$ns'])]");
        if (!$nodes->length) {
            return false;
        }
        $node = $nodes->item(0);
        $ns_name = $node->lookupPrefix($ns);
        if ($ns_name) {
            $node->removeAttributeNS($ns, $ns_name);
        }
        return $dom->saveXML($node);
    }

    /**
     * Decodes the value
     *
     * @param string $value
     */
    private static function decodeValue($value)
    {
        return Base64::decode(str_replace(["\r", "\n", ' ', "\t"], '', $value));
    }

    /**
     * Extract points from an XML document
     *
     * @param \DOMXPath $xpath
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @return object[]
     */
    private static function extractPointRFC4050(\DOMXPath $xpath, BaseCurve $curve)
    {
        $x = self::query($xpath, 'publickey/x');
        $y = self::query($xpath, 'publickey/y');
        if (!$x->length || !$x->item(0)->hasAttribute('Value')) {
            throw new \RuntimeException('Public Key / X coordinate not found');
        }
        if (!$y->length || !$y->item(0)->hasAttribute('Value')) {
            throw new \RuntimeException('Public Key / Y coordinate not found');
        }
        $point = [
            $curve->convertInteger(new BigInteger($x->item(0)->getAttribute('Value'))),
            $curve->convertInteger(new BigInteger($y->item(0)->getAttribute('Value')))
        ];
        if (!$curve->verifyPoint($point)) {
            throw new \RuntimeException('Unable to verify that point exists on curve');
        }
        return $point;
    }

    /**
     * Returns an instance of \phpseclib3\Crypt\EC\BaseCurves\Base based
     * on the curve parameters
     *
     * @param \DomXPath $xpath
     * @return \phpseclib3\Crypt\EC\BaseCurves\Base|false
     */
    private static function loadCurveByParam(\DOMXPath $xpath)
    {
        $namedCurve = self::query($xpath, 'namedcurve');
        if ($namedCurve->length == 1) {
            $oid = $namedCurve->item(0)->getAttribute('URN');
            $oid = preg_replace('#[^\d.]#', '', $oid);
            $name = array_search($oid, self::$curveOIDs);
            if ($name === false) {
                throw new UnsupportedCurveException('Curve with OID of ' . $oid . ' is not supported');
            }

            $curve = '\phpseclib3\Crypt\EC\Curves\\' . $name;
            if (!class_exists($curve)) {
                throw new UnsupportedCurveException('Named Curve of ' . $name . ' is not supported');
            }
            return new $curve();
        }

        $params = self::query($xpath, 'explicitparams');
        if ($params->length) {
            return self::loadCurveByParamRFC4050($xpath);
        }

        $params = self::query($xpath, 'ecparameters');
        if (!$params->length) {
            throw new \RuntimeException('No parameters are present');
        }

        $fieldTypes = [
            'prime-field' => ['fieldid/prime/p'],
            'gnb' => ['fieldid/gnb/m'],
            'tnb' => ['fieldid/tnb/k'],
            'pnb' => ['fieldid/pnb/k1', 'fieldid/pnb/k2', 'fieldid/pnb/k3'],
            'unknown' => []
        ];

        foreach ($fieldTypes as $type => $queries) {
            foreach ($queries as $query) {
                $result = self::query($xpath, $query);
                if (!$result->length) {
                    continue 2;
                }
                $param = preg_replace('#.*/#', '', $query);
                $$param = self::decodeValue($result->item(0)->textContent);
            }
            break;
        }

        $a = self::query($xpath, 'curve/a', 'A coefficient is not present');
        $b = self::query($xpath, 'curve/b', 'B coefficient is not present');
        $base = self::query($xpath, 'base', 'Base point is not present');
        $order = self::query($xpath, 'order', 'Order is not present');

        switch ($type) {
            case 'prime-field':
                $curve = new PrimeCurve();
                $curve->setModulo(new BigInteger($p, 256));
                $curve->setCoefficients(
                    new BigInteger($a, 256),
                    new BigInteger($b, 256)
                );
                $point = self::extractPoint("\0" . $base, $curve);
                $curve->setBasePoint(...$point);
                $curve->setOrder(new BigInteger($order, 256));
                return $curve;
            case 'gnb':
            case 'tnb':
            case 'pnb':
            default:
                throw new UnsupportedCurveException('Field Type of ' . $type . ' is not supported');
        }
    }

    /**
     * Returns an instance of \phpseclib3\Crypt\EC\BaseCurves\Base based
     * on the curve parameters
     *
     * @param \DomXPath $xpath
     * @return \phpseclib3\Crypt\EC\BaseCurves\Base|false
     */
    private static function loadCurveByParamRFC4050(\DOMXPath $xpath)
    {
        $fieldTypes = [
            'prime-field' => ['primefieldparamstype/p'],
            'unknown' => []
        ];

        foreach ($fieldTypes as $type => $queries) {
            foreach ($queries as $query) {
                $result = self::query($xpath, $query);
                if (!$result->length) {
                    continue 2;
                }
                $param = preg_replace('#.*/#', '', $query);
                $$param = $result->item(0)->textContent;
            }
            break;
        }

        $a = self::query($xpath, 'curveparamstype/a', 'A coefficient is not present', false);
        $b = self::query($xpath, 'curveparamstype/b', 'B coefficient is not present', false);
        $x = self::query($xpath, 'basepointparams/basepoint/ecpointtype/x', 'Base Point X is not present', false);
        $y = self::query($xpath, 'basepointparams/basepoint/ecpointtype/y', 'Base Point Y is not present', false);
        $order = self::query($xpath, 'order', 'Order is not present', false);

        switch ($type) {
            case 'prime-field':
                $curve = new PrimeCurve();

                $p = str_replace(["\r", "\n", ' ', "\t"], '', $p);
                $curve->setModulo(new BigInteger($p));

                $a = str_replace(["\r", "\n", ' ', "\t"], '', $a);
                $b = str_replace(["\r", "\n", ' ', "\t"], '', $b);
                $curve->setCoefficients(
                    new BigInteger($a),
                    new BigInteger($b)
                );

                $x = str_replace(["\r", "\n", ' ', "\t"], '', $x);
                $y = str_replace(["\r", "\n", ' ', "\t"], '', $y);
                $curve->setBasePoint(
                    new BigInteger($x),
                    new BigInteger($y)
                );

                $order = str_replace(["\r", "\n", ' ', "\t"], '', $order);
                $curve->setOrder(new BigInteger($order));
                return $curve;
            default:
                throw new UnsupportedCurveException('Field Type of ' . $type . ' is not supported');
        }
    }

    /**
     * Sets the namespace. dsig11 is the most common one.
     *
     * Set to null to unset. Used only for creating public keys.
     *
     * @param string $namespace
     */
    public static function setNamespace($namespace)
    {
        self::$namespace = $namespace;
    }

    /**
     * Uses the XML syntax specified in https://tools.ietf.org/html/rfc4050
     */
    public static function enableRFC4050Syntax()
    {
        self::$rfc4050 = true;
    }

    /**
     * Uses the XML syntax specified in https://www.w3.org/TR/xmldsig-core/#sec-ECParameters
     */
    public static function disableRFC4050Syntax()
    {
        self::$rfc4050 = false;
    }

    /**
     * Convert a public key to the appropriate format
     *
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BaseCurve $curve, array $publicKey, array $options = [])
    {
        self::initialize_static_variables();

        if ($curve instanceof TwistedEdwardsCurve || $curve instanceof MontgomeryCurve) {
            throw new UnsupportedCurveException('TwistedEdwards and Montgomery Curves are not supported');
        }

        if (empty(static::$namespace)) {
            $pre = $post = '';
        } else {
            $pre = static::$namespace . ':';
            $post = ':' . static::$namespace;
        }

        if (self::$rfc4050) {
            return '<' . $pre . 'ECDSAKeyValue xmlns' . $post . '="http://www.w3.org/2001/04/xmldsig-more#">' . "\r\n" .
                   self::encodeXMLParameters($curve, $pre, $options) . "\r\n" .
                   '<' . $pre . 'PublicKey>' . "\r\n" .
                   '<' . $pre . 'X Value="' . $publicKey[0] . '" />' . "\r\n" .
                   '<' . $pre . 'Y Value="' . $publicKey[1] . '" />' . "\r\n" .
                   '</' . $pre . 'PublicKey>' . "\r\n" .
                   '</' . $pre . 'ECDSAKeyValue>';
        }

        $publicKey = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();

        return '<' . $pre . 'ECDSAKeyValue xmlns' . $post . '="http://www.w3.org/2009/xmldsig11#">' . "\r\n" .
               self::encodeXMLParameters($curve, $pre, $options) . "\r\n" .
               '<' . $pre . 'PublicKey>' . Base64::encode($publicKey) . '</' . $pre . 'PublicKey>' . "\r\n" .
               '</' . $pre . 'ECDSAKeyValue>';
    }

    /**
     * Encode Parameters
     *
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param string $pre
     * @param array $options optional
     * @return string|false
     */
    private static function encodeXMLParameters(BaseCurve $curve, $pre, array $options = [])
    {
        $result = self::encodeParameters($curve, true, $options);

        if (isset($result['namedCurve'])) {
            $namedCurve = '<' . $pre . 'NamedCurve URI="urn:oid:' . self::$curveOIDs[$result['namedCurve']] . '" />';
            return self::$rfc4050 ?
                '<DomainParameters>' . str_replace('URI', 'URN', $namedCurve) . '</DomainParameters>' :
                $namedCurve;
        }

        if (self::$rfc4050) {
            $xml = '<' . $pre . 'ExplicitParams>' . "\r\n" .
                  '<' . $pre . 'FieldParams>' . "\r\n";
            $temp = $result['specifiedCurve'];
            switch ($temp['fieldID']['fieldType']) {
                case 'prime-field':
                    $xml .= '<' . $pre . 'PrimeFieldParamsType>' . "\r\n" .
                           '<' . $pre . 'P>' . $temp['fieldID']['parameters'] . '</' . $pre . 'P>' . "\r\n" .
                           '</' . $pre . 'PrimeFieldParamsType>' . "\r\n";
                    $a = $curve->getA();
                    $b = $curve->getB();
                    list($x, $y) = $curve->getBasePoint();
                    break;
                default:
                    throw new UnsupportedCurveException('Field Type of ' . $temp['fieldID']['fieldType'] . ' is not supported');
            }
            $xml .= '</' . $pre . 'FieldParams>' . "\r\n" .
                   '<' . $pre . 'CurveParamsType>' . "\r\n" .
                   '<' . $pre . 'A>' . $a . '</' . $pre . 'A>' . "\r\n" .
                   '<' . $pre . 'B>' . $b . '</' . $pre . 'B>' . "\r\n" .
                   '</' . $pre . 'CurveParamsType>' . "\r\n" .
                   '<' . $pre . 'BasePointParams>' . "\r\n" .
                   '<' . $pre . 'BasePoint>' . "\r\n" .
                   '<' . $pre . 'ECPointType>' . "\r\n" .
                   '<' . $pre . 'X>' . $x . '</' . $pre . 'X>' . "\r\n" .
                   '<' . $pre . 'Y>' . $y . '</' . $pre . 'Y>' . "\r\n" .
                   '</' . $pre . 'ECPointType>' . "\r\n" .
                   '</' . $pre . 'BasePoint>' . "\r\n" .
                   '<' . $pre . 'Order>' . $curve->getOrder() . '</' . $pre . 'Order>' . "\r\n" .
                   '</' . $pre . 'BasePointParams>' . "\r\n" .
                   '</' . $pre . 'ExplicitParams>' . "\r\n";

            return $xml;
        }

        if (isset($result['specifiedCurve'])) {
            $xml = '<' . $pre . 'ECParameters>' . "\r\n" .
                   '<' . $pre . 'FieldID>' . "\r\n";
            $temp = $result['specifiedCurve'];
            switch ($temp['fieldID']['fieldType']) {
                case 'prime-field':
                    $xml .= '<' . $pre . 'Prime>' . "\r\n" .
                           '<' . $pre . 'P>' . Base64::encode($temp['fieldID']['parameters']->toBytes()) . '</' . $pre . 'P>' . "\r\n" .
                           '</' . $pre . 'Prime>' . "\r\n" ;
                    break;
                default:
                    throw new UnsupportedCurveException('Field Type of ' . $temp['fieldID']['fieldType'] . ' is not supported');
            }
            $xml .= '</' . $pre . 'FieldID>' . "\r\n" .
                   '<' . $pre . 'Curve>' . "\r\n" .
                   '<' . $pre . 'A>' . Base64::encode($temp['curve']['a']) . '</' . $pre . 'A>' . "\r\n" .
                   '<' . $pre . 'B>' . Base64::encode($temp['curve']['b']) . '</' . $pre . 'B>' . "\r\n" .
                   '</' . $pre . 'Curve>' . "\r\n" .
                   '<' . $pre . 'Base>' . Base64::encode($temp['base']) . '</' . $pre . 'Base>' . "\r\n" .
                   '<' . $pre . 'Order>' . Base64::encode($temp['order']) . '</' . $pre . 'Order>' . "\r\n" .
                   '</' . $pre . 'ECParameters>';
            return $xml;
        }
    }
}
PK     ýˆU]Íª³8Ñ  Ñ  D  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PuTTY.phpnu „[µü¤        <?php

/**
 * PuTTY Formatted EC Key Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PuTTY as Progenitor;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Math\BigInteger;

/**
 * PuTTY Formatted EC Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PuTTY extends Progenitor
{
    use Common;

    /**
     * Public Handler
     *
     * @var string
     * @access private
     */
    const PUBLIC_HANDLER = 'phpseclib3\Crypt\EC\Formats\Keys\OpenSSH';

    /**
     * Supported Key Types
     *
     * @var array
     * @access private
     */
    protected static $types = [
        'ecdsa-sha2-nistp256',
        'ecdsa-sha2-nistp384',
        'ecdsa-sha2-nistp521',
        'ssh-ed25519'
    ];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $components = parent::load($key, $password);
        if (!isset($components['private'])) {
            return $components;
        }

        $private = $components['private'];

        $temp = Base64::encode(Strings::packSSH2('s', $components['type']) . $components['public']);
        $components = OpenSSH::load($components['type'] . ' ' . $temp . ' ' . $components['comment']);

        if ($components['curve'] instanceof TwistedEdwardsCurve) {
            if (Strings::shift($private, 4) != "\0\0\0\x20") {
                throw new \RuntimeException('Length of ssh-ed25519 key should be 32');
            }
            $components['dA'] = $components['curve']->extractSecret($private);
        } else {
            list($components['dA']) = Strings::unpackSSH2('i', $private);
            $components['curve']->rangeCheck($components['dA']);
        }

        return $components;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, BaseCurve $curve, array $publicKey, $password = false, array $options = [])
    {
        self::initialize_static_variables();

        $public = explode(' ', OpenSSH::savePublicKey($curve, $publicKey));
        $name = $public[0];
        $public = Base64::decode($public[1]);
        list(, $length) = unpack('N', Strings::shift($public, 4));
        Strings::shift($public, $length);

        // PuTTY pads private keys with a null byte per the following:
        // https://github.com/github/putty/blob/a3d14d77f566a41fc61dfdc5c2e0e384c9e6ae8b/sshecc.c#L1926
        if (!$curve instanceof TwistedEdwardsCurve) {
            $private = $privateKey->toBytes();
            if (!(strlen($privateKey->toBits()) & 7)) {
                $private = "\0$private";
            }
        }

        $private = $curve instanceof TwistedEdwardsCurve ?
            Strings::packSSH2('s', $privateKey->secret) :
            Strings::packSSH2('s', $private);

        return self::wrapPrivateKey($public, $private, $name, $password, $options);
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField[] $publicKey
     * @return string
     */
    public static function savePublicKey(BaseCurve $curve, array $publicKey)
    {
        $public = explode(' ', OpenSSH::savePublicKey($curve, $publicKey));
        $type = $public[0];
        $public = Base64::decode($public[1]);
        list(, $length) = unpack('N', Strings::shift($public, 4));
        Strings::shift($public, $length);

        return self::wrapPublicKey($public, $type);
    }
}
PK     ýˆU]ó Å`d  d  F  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/OpenSSH.phpnu „[µü¤        <?php

/**
 * OpenSSH Formatted EC Key Handler
 *
 * PHP version 5
 *
 * Place in $HOME/.ssh/authorized_keys
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\OpenSSH as Progenitor;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\Math\BigInteger;

/**
 * OpenSSH Formatted EC Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSH extends Progenitor
{
    use Common;

    /**
     * Supported Key Types
     *
     * @var array
     */
    protected static $types = [
        'ecdsa-sha2-nistp256',
        'ecdsa-sha2-nistp384',
        'ecdsa-sha2-nistp521',
        'ssh-ed25519'
    ];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        $parsed = parent::load($key, $password);

        if (isset($parsed['paddedKey'])) {
            $paddedKey = $parsed['paddedKey'];
            list($type) = Strings::unpackSSH2('s', $paddedKey);
            if ($type != $parsed['type']) {
                throw new \RuntimeException("The public and private keys are not of the same type ($type vs $parsed[type])");
            }
            if ($type == 'ssh-ed25519') {
                list(, $key, $comment) = Strings::unpackSSH2('sss', $paddedKey);
                $key = libsodium::load($key);
                $key['comment'] = $comment;
                return $key;
            }
            list($curveName, $publicKey, $privateKey, $comment) = Strings::unpackSSH2('ssis', $paddedKey);
            $curve = self::loadCurveByParam(['namedCurve' => $curveName]);
            $curve->rangeCheck($privateKey);
            return [
                'curve' => $curve,
                'dA' => $privateKey,
                'QA' => self::extractPoint("\0$publicKey", $curve),
                'comment' => $comment
            ];
        }

        if ($parsed['type'] == 'ssh-ed25519') {
            if (Strings::shift($parsed['publicKey'], 4) != "\0\0\0\x20") {
                throw new \RuntimeException('Length of ssh-ed25519 key should be 32');
            }

            $curve = new Ed25519();
            $qa = self::extractPoint($parsed['publicKey'], $curve);
        } else {
            list($curveName, $publicKey) = Strings::unpackSSH2('ss', $parsed['publicKey']);
            $curveName = '\phpseclib3\Crypt\EC\Curves\\' . $curveName;
            $curve = new $curveName();

            $qa = self::extractPoint("\0" . $publicKey, $curve);
        }

        return [
            'curve' => $curve,
            'QA' => $qa,
            'comment' => $parsed['comment']
        ];
    }

    /**
     * Returns the alias that corresponds to a curve
     *
     * @return string
     */
    private static function getAlias(BaseCurve $curve)
    {
        self::initialize_static_variables();

        $reflect = new \ReflectionClass($curve);
        $name = $reflect->getShortName();

        $oid = self::$curveOIDs[$name];
        $aliases = array_filter(self::$curveOIDs, function ($v) use ($oid) {
            return $v == $oid;
        });
        $aliases = array_keys($aliases);

        for ($i = 0; $i < count($aliases); $i++) {
            if (in_array('ecdsa-sha2-' . $aliases[$i], self::$types)) {
                $alias = $aliases[$i];
                break;
            }
        }

        if (!isset($alias)) {
            throw new UnsupportedCurveException($name . ' is not a curve that the OpenSSH plugin supports');
        }

        return $alias;
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BaseCurve $curve, array $publicKey, array $options = [])
    {
        $comment = isset($options['comment']) ? $options['comment'] : self::$comment;

        if ($curve instanceof Ed25519) {
            $key = Strings::packSSH2('ss', 'ssh-ed25519', $curve->encodePoint($publicKey));

            if (isset($options['binary']) ? $options['binary'] : self::$binary) {
                return $key;
            }

            $key = 'ssh-ed25519 ' . base64_encode($key) . ' ' . $comment;
            return $key;
        }

        $alias = self::getAlias($curve);

        $points = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();
        $key = Strings::packSSH2('sss', 'ecdsa-sha2-' . $alias, $alias, $points);

        if (isset($options['binary']) ? $options['binary'] : self::$binary) {
            return $key;
        }

        $key = 'ecdsa-sha2-' . $alias . ' ' . base64_encode($key) . ' ' . $comment;

        return $key;
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\Curves\Ed25519 $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, BaseCurve $curve, array $publicKey, $password = '', array $options = [])
    {
        if ($curve instanceof Ed25519) {
            if (!isset($privateKey->secret)) {
                throw new \RuntimeException('Private Key does not have a secret set');
            }
            if (strlen($privateKey->secret) != 32) {
                throw new \RuntimeException('Private Key secret is not of the correct length');
            }

            $pubKey = $curve->encodePoint($publicKey);

            $publicKey = Strings::packSSH2('ss', 'ssh-ed25519', $pubKey);
            $privateKey = Strings::packSSH2('sss', 'ssh-ed25519', $pubKey, $privateKey->secret . $pubKey);

            return self::wrapPrivateKey($publicKey, $privateKey, $password, $options);
        }

        $alias = self::getAlias($curve);

        $points = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();
        $publicKey = self::savePublicKey($curve, $publicKey, ['binary' => true]);

        $privateKey = Strings::packSSH2('sssi', 'ecdsa-sha2-' . $alias, $alias, $points, $privateKey);

        return self::wrapPrivateKey($publicKey, $privateKey, $password, $options);
    }
}
PK     ýˆU]^çH    D  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PKCS1.phpnu „[µü¤        <?php

/**
 * "PKCS1" (RFC5915) Formatted EC Key Handler
 *
 * PHP version 5
 *
 * Used by File/X509.php
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN EC PRIVATE KEY-----
 * -----BEGIN EC PARAMETERS-----
 *
 * Technically, PKCS1 is for RSA keys, only, but we're using PKCS1 to describe
 * DSA, whose format isn't really formally described anywhere, so might as well
 * use it to describe this, too. PKCS1 is easier to remember than RFC5915, after
 * all. I suppose this could also be named IETF but idk
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS1 as Progenitor;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * "PKCS1" (RFC5915) Formatted EC Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS1 extends Progenitor
{
    use Common;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        self::initialize_static_variables();

        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (strpos($key, 'BEGIN EC PARAMETERS') && strpos($key, 'BEGIN EC PRIVATE KEY')) {
            $components = [];

            preg_match('#-*BEGIN EC PRIVATE KEY-*[^-]*-*END EC PRIVATE KEY-*#s', $key, $matches);
            $decoded = parent::load($matches[0], $password);
            $decoded = ASN1::decodeBER($decoded);
            if (empty($decoded)) {
                throw new \RuntimeException('Unable to decode BER');
            }

            $ecPrivate = ASN1::asn1map($decoded[0], Maps\ECPrivateKey::MAP);
            if (!is_array($ecPrivate)) {
                throw new \RuntimeException('Unable to perform ASN1 mapping');
            }

            if (isset($ecPrivate['parameters'])) {
                $components['curve'] = self::loadCurveByParam($ecPrivate['parameters']);
            }

            preg_match('#-*BEGIN EC PARAMETERS-*[^-]*-*END EC PARAMETERS-*#s', $key, $matches);
            $decoded = parent::load($matches[0], '');
            $decoded = ASN1::decodeBER($decoded);
            if (empty($decoded)) {
                throw new \RuntimeException('Unable to decode BER');
            }
            $ecParams = ASN1::asn1map($decoded[0], Maps\ECParameters::MAP);
            if (!is_array($ecParams)) {
                throw new \RuntimeException('Unable to perform ASN1 mapping');
            }
            $ecParams = self::loadCurveByParam($ecParams);

            // comparing $ecParams and $components['curve'] directly won't work because they'll have different Math\Common\FiniteField classes
            // even if the modulo is the same
            if (isset($components['curve']) && self::encodeParameters($ecParams, false, []) != self::encodeParameters($components['curve'], false, [])) {
                throw new \RuntimeException('EC PARAMETERS does not correspond to EC PRIVATE KEY');
            }

            if (!isset($components['curve'])) {
                $components['curve'] = $ecParams;
            }

            $components['dA'] = new BigInteger($ecPrivate['privateKey'], 256);
            $components['curve']->rangeCheck($components['dA']);
            $components['QA'] = isset($ecPrivate['publicKey']) ?
                self::extractPoint($ecPrivate['publicKey'], $components['curve']) :
                $components['curve']->multiplyPoint($components['curve']->getBasePoint(), $components['dA']);

            return $components;
        }

        $key = parent::load($key, $password);

        $decoded = ASN1::decodeBER($key);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        $key = ASN1::asn1map($decoded[0], Maps\ECParameters::MAP);
        if (is_array($key)) {
            return ['curve' => self::loadCurveByParam($key)];
        }

        $key = ASN1::asn1map($decoded[0], Maps\ECPrivateKey::MAP);
        if (!is_array($key)) {
            throw new \RuntimeException('Unable to perform ASN1 mapping');
        }
        if (!isset($key['parameters'])) {
            throw new \RuntimeException('Key cannot be loaded without parameters');
        }

        $components = [];
        $components['curve'] = self::loadCurveByParam($key['parameters']);
        $components['dA'] = new BigInteger($key['privateKey'], 256);
        $components['QA'] = isset($ecPrivate['publicKey']) ?
            self::extractPoint($ecPrivate['publicKey'], $components['curve']) :
            $components['curve']->multiplyPoint($components['curve']->getBasePoint(), $components['dA']);

        return $components;
    }

    /**
     * Convert EC parameters to the appropriate format
     *
     * @access public
     * @return string
     */
    public static function saveParameters(BaseCurve $curve, array $options = [])
    {
        self::initialize_static_variables();

        if ($curve instanceof TwistedEdwardsCurve || $curve instanceof MontgomeryCurve) {
            throw new UnsupportedCurveException('TwistedEdwards and Montgomery Curves are not supported');
        }

        $key = self::encodeParameters($curve, false, $options);

        return "-----BEGIN EC PARAMETERS-----\r\n" .
               chunk_split(Base64::encode($key), 64) .
               "-----END EC PARAMETERS-----\r\n";
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, BaseCurve $curve, array $publicKey, $password = '', array $options = [])
    {
        self::initialize_static_variables();

        if ($curve instanceof TwistedEdwardsCurve  || $curve instanceof MontgomeryCurve) {
            throw new UnsupportedCurveException('TwistedEdwards Curves are not supported');
        }

        $publicKey = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();

        $key = [
            'version' => 'ecPrivkeyVer1',
            'privateKey' => $privateKey->toBytes(),
            'parameters' => new ASN1\Element(self::encodeParameters($curve)),
            'publicKey' => "\0" . $publicKey
        ];

        $key = ASN1::encodeDER($key, Maps\ECPrivateKey::MAP);

        return self::wrapPrivateKey($key, 'EC', $password, $options);
    }
}
PK     ýˆU]èÛ€°†  †  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/libsodium.phpnu „[µü¤        <?php

/**
 * libsodium Key Handler
 *
 * Different NaCl implementations store the key differently.
 * https://blog.mozilla.org/warner/2011/11/29/ed25519-keys/ elaborates.
 * libsodium appears to use the same format as SUPERCOP.
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * libsodium Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class libsodium
{
    use Common;

    /**
     * Is invisible flag
     *
     * @access private
     */
    const IS_INVISIBLE = true;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        switch (strlen($key)) {
            case 32:
                $public = $key;
                break;
            case 64:
                $private = substr($key, 0, 32);
                $public = substr($key, -32);
                break;
            case 96:
                $public = substr($key, -32);
                if (substr($key, 32, 32) != $public) {
                    throw new \RuntimeException('Keys with 96 bytes should have the 2nd and 3rd set of 32 bytes match');
                }
                $private = substr($key, 0, 32);
                break;
            default:
                throw new \RuntimeException('libsodium keys need to either be 32 bytes long, 64 bytes long or 96 bytes long');
        }

        $curve = new Ed25519();
        $components = ['curve' => $curve];
        if (isset($private)) {
            $components['dA'] = $curve->extractSecret($private);
        }
        $components['QA'] = isset($public) ?
            self::extractPoint($public, $curve) :
            $curve->multiplyPoint($curve->getBasePoint(), $components['dA']);

        return $components;
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\Curves\Ed25519 $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @return string
     */
    public static function savePublicKey(Ed25519 $curve, array $publicKey)
    {
        return $curve->encodePoint($publicKey);
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\Curves\Ed25519 $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, Ed25519 $curve, array $publicKey, $password = '')
    {
        if (!isset($privateKey->secret)) {
            throw new \RuntimeException('Private Key does not have a secret set');
        }
        if (strlen($privateKey->secret) != 32) {
            throw new \RuntimeException('Private Key secret is not of the correct length');
        }
        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('libsodium private keys do not support encryption');
        }
        return $privateKey->secret . $curve->encodePoint($publicKey);
    }
}
PK     ýˆU]wgA\  \  E  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/Common.phpnu „[µü¤        <?php

/**
 * Generic EC Key Parsing Helper functions
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\BaseCurves\Binary as BinaryCurve;
use phpseclib3\Crypt\EC\BaseCurves\Prime as PrimeCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * Generic EC Key Parsing Helper functions
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
trait Common
{
    /**
     * Curve OIDs
     *
     * @var array
     */
    private static $curveOIDs = [];

    /**
     * Child OIDs loaded
     *
     * @var bool
     */
    protected static $childOIDsLoaded = false;

    /**
     * Use Named Curves
     *
     * @var bool
     */
    private static $useNamedCurves = true;

    /**
     * Initialize static variables
     */
    private static function initialize_static_variables()
    {
        if (empty(self::$curveOIDs)) {
            // the sec* curves are from the standards for efficient cryptography group
            // sect* curves are curves over binary finite fields
            // secp* curves are curves over prime finite fields
            // sec*r* curves are regular curves; sec*k* curves are koblitz curves
            // brainpool*r* curves are regular prime finite field curves
            // brainpool*t* curves are twisted versions of the brainpool*r* curves
            self::$curveOIDs = [
                'prime192v1' => '1.2.840.10045.3.1.1', // J.5.1, example 1 (aka secp192r1)
                'prime192v2' => '1.2.840.10045.3.1.2', // J.5.1, example 2
                'prime192v3' => '1.2.840.10045.3.1.3', // J.5.1, example 3
                'prime239v1' => '1.2.840.10045.3.1.4', // J.5.2, example 1
                'prime239v2' => '1.2.840.10045.3.1.5', // J.5.2, example 2
                'prime239v3' => '1.2.840.10045.3.1.6', // J.5.2, example 3
                'prime256v1' => '1.2.840.10045.3.1.7', // J.5.3, example 1 (aka secp256r1)

                // https://tools.ietf.org/html/rfc5656#section-10
                'nistp256' => '1.2.840.10045.3.1.7', // aka secp256r1
                'nistp384' => '1.3.132.0.34', // aka secp384r1
                'nistp521' => '1.3.132.0.35', // aka secp521r1

                'nistk163' => '1.3.132.0.1', // aka sect163k1
                'nistp192' => '1.2.840.10045.3.1.1', // aka secp192r1
                'nistp224' => '1.3.132.0.33', // aka secp224r1
                'nistk233' => '1.3.132.0.26', // aka sect233k1
                'nistb233' => '1.3.132.0.27', // aka sect233r1
                'nistk283' => '1.3.132.0.16', // aka sect283k1
                'nistk409' => '1.3.132.0.36', // aka sect409k1
                'nistb409' => '1.3.132.0.37', // aka sect409r1
                'nistt571' => '1.3.132.0.38', // aka sect571k1

                // from https://tools.ietf.org/html/rfc5915
                'secp192r1' => '1.2.840.10045.3.1.1', // aka prime192v1
                'sect163k1' => '1.3.132.0.1',
                'sect163r2' => '1.3.132.0.15',
                'secp224r1' => '1.3.132.0.33',
                'sect233k1' => '1.3.132.0.26',
                'sect233r1' => '1.3.132.0.27',
                'secp256r1' => '1.2.840.10045.3.1.7', // aka prime256v1
                'sect283k1' => '1.3.132.0.16',
                'sect283r1' => '1.3.132.0.17',
                'secp384r1' => '1.3.132.0.34',
                'sect409k1' => '1.3.132.0.36',
                'sect409r1' => '1.3.132.0.37',
                'secp521r1' => '1.3.132.0.35',
                'sect571k1' => '1.3.132.0.38',
                'sect571r1' => '1.3.132.0.39',
                // from http://www.secg.org/SEC2-Ver-1.0.pdf
                'secp112r1' => '1.3.132.0.6',
                'secp112r2' => '1.3.132.0.7',
                'secp128r1' => '1.3.132.0.28',
                'secp128r2' => '1.3.132.0.29',
                'secp160k1' => '1.3.132.0.9',
                'secp160r1' => '1.3.132.0.8',
                'secp160r2' => '1.3.132.0.30',
                'secp192k1' => '1.3.132.0.31',
                'secp224k1' => '1.3.132.0.32',
                'secp256k1' => '1.3.132.0.10',

                'sect113r1' => '1.3.132.0.4',
                'sect113r2' => '1.3.132.0.5',
                'sect131r1' => '1.3.132.0.22',
                'sect131r2' => '1.3.132.0.23',
                'sect163r1' => '1.3.132.0.2',
                'sect193r1' => '1.3.132.0.24',
                'sect193r2' => '1.3.132.0.25',
                'sect239k1' => '1.3.132.0.3',

                // from http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.202.2977&rep=rep1&type=pdf#page=36
                /*
                'c2pnb163v1' => '1.2.840.10045.3.0.1', // J.4.1, example 1
                'c2pnb163v2' => '1.2.840.10045.3.0.2', // J.4.1, example 2
                'c2pnb163v3' => '1.2.840.10045.3.0.3', // J.4.1, example 3
                'c2pnb172w1' => '1.2.840.10045.3.0.4', // J.4.2, example 1
                'c2tnb191v1' => '1.2.840.10045.3.0.5', // J.4.3, example 1
                'c2tnb191v2' => '1.2.840.10045.3.0.6', // J.4.3, example 2
                'c2tnb191v3' => '1.2.840.10045.3.0.7', // J.4.3, example 3
                'c2onb191v4' => '1.2.840.10045.3.0.8', // J.4.3, example 4
                'c2onb191v5' => '1.2.840.10045.3.0.9', // J.4.3, example 5
                'c2pnb208w1' => '1.2.840.10045.3.0.10', // J.4.4, example 1
                'c2tnb239v1' => '1.2.840.10045.3.0.11', // J.4.5, example 1
                'c2tnb239v2' => '1.2.840.10045.3.0.12', // J.4.5, example 2
                'c2tnb239v3' => '1.2.840.10045.3.0.13', // J.4.5, example 3
                'c2onb239v4' => '1.2.840.10045.3.0.14', // J.4.5, example 4
                'c2onb239v5' => '1.2.840.10045.3.0.15', // J.4.5, example 5
                'c2pnb272w1' => '1.2.840.10045.3.0.16', // J.4.6, example 1
                'c2pnb304w1' => '1.2.840.10045.3.0.17', // J.4.7, example 1
                'c2tnb359v1' => '1.2.840.10045.3.0.18', // J.4.8, example 1
                'c2pnb368w1' => '1.2.840.10045.3.0.19', // J.4.9, example 1
                'c2tnb431r1' => '1.2.840.10045.3.0.20', // J.4.10, example 1
                */

                // http://www.ecc-brainpool.org/download/Domain-parameters.pdf
                // https://tools.ietf.org/html/rfc5639
                'brainpoolP160r1' => '1.3.36.3.3.2.8.1.1.1',
                'brainpoolP160t1' => '1.3.36.3.3.2.8.1.1.2',
                'brainpoolP192r1' => '1.3.36.3.3.2.8.1.1.3',
                'brainpoolP192t1' => '1.3.36.3.3.2.8.1.1.4',
                'brainpoolP224r1' => '1.3.36.3.3.2.8.1.1.5',
                'brainpoolP224t1' => '1.3.36.3.3.2.8.1.1.6',
                'brainpoolP256r1' => '1.3.36.3.3.2.8.1.1.7',
                'brainpoolP256t1' => '1.3.36.3.3.2.8.1.1.8',
                'brainpoolP320r1' => '1.3.36.3.3.2.8.1.1.9',
                'brainpoolP320t1' => '1.3.36.3.3.2.8.1.1.10',
                'brainpoolP384r1' => '1.3.36.3.3.2.8.1.1.11',
                'brainpoolP384t1' => '1.3.36.3.3.2.8.1.1.12',
                'brainpoolP512r1' => '1.3.36.3.3.2.8.1.1.13',
                'brainpoolP512t1' => '1.3.36.3.3.2.8.1.1.14'
            ];
            ASN1::loadOIDs([
                'prime-field' => '1.2.840.10045.1.1',
                'characteristic-two-field' => '1.2.840.10045.1.2',
                'characteristic-two-basis' => '1.2.840.10045.1.2.3',
                // per http://www.secg.org/SEC1-Ver-1.0.pdf#page=84, gnBasis "not used here"
                'gnBasis' => '1.2.840.10045.1.2.3.1', // NULL
                'tpBasis' => '1.2.840.10045.1.2.3.2', // Trinomial
                'ppBasis' => '1.2.840.10045.1.2.3.3'  // Pentanomial
            ] + self::$curveOIDs);
        }
    }

    /**
     * Explicitly set the curve
     *
     * If the key contains an implicit curve phpseclib needs the curve
     * to be explicitly provided
     *
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     */
    public static function setImplicitCurve(BaseCurve $curve)
    {
        self::$implicitCurve = $curve;
    }

    /**
     * Returns an instance of \phpseclib3\Crypt\EC\BaseCurves\Base based
     * on the curve parameters
     *
     * @param array $params
     * @return \phpseclib3\Crypt\EC\BaseCurves\Base|false
     */
    protected static function loadCurveByParam(array $params)
    {
        if (count($params) > 1) {
            throw new \RuntimeException('No parameters are present');
        }
        if (isset($params['namedCurve'])) {
            $curve = '\phpseclib3\Crypt\EC\Curves\\' . $params['namedCurve'];
            if (!class_exists($curve)) {
                throw new UnsupportedCurveException('Named Curve of ' . $params['namedCurve'] . ' is not supported');
            }
            return new $curve();
        }
        if (isset($params['implicitCurve'])) {
            if (!isset(self::$implicitCurve)) {
                throw new \RuntimeException('Implicit curves can be provided by calling setImplicitCurve');
            }
            return self::$implicitCurve;
        }
        if (isset($params['specifiedCurve'])) {
            $data = $params['specifiedCurve'];
            switch ($data['fieldID']['fieldType']) {
                case 'prime-field':
                    $curve = new PrimeCurve();
                    $curve->setModulo($data['fieldID']['parameters']);
                    $curve->setCoefficients(
                        new BigInteger($data['curve']['a'], 256),
                        new BigInteger($data['curve']['b'], 256)
                    );
                    $point = self::extractPoint("\0" . $data['base'], $curve);
                    $curve->setBasePoint(...$point);
                    $curve->setOrder($data['order']);
                    return $curve;
                case 'characteristic-two-field':
                    $curve = new BinaryCurve();
                    $params = ASN1::decodeBER($data['fieldID']['parameters']);
                    $params = ASN1::asn1map($params[0], Maps\Characteristic_two::MAP);
                    $modulo = [(int) $params['m']->toString()];
                    switch ($params['basis']) {
                        case 'tpBasis':
                            $modulo[] = (int) $params['parameters']->toString();
                            break;
                        case 'ppBasis':
                            $temp = ASN1::decodeBER($params['parameters']);
                            $temp = ASN1::asn1map($temp[0], Maps\Pentanomial::MAP);
                            $modulo[] = (int) $temp['k3']->toString();
                            $modulo[] = (int) $temp['k2']->toString();
                            $modulo[] = (int) $temp['k1']->toString();
                    }
                    $modulo[] = 0;
                    $curve->setModulo(...$modulo);
                    $len = ceil($modulo[0] / 8);
                    $curve->setCoefficients(
                        Hex::encode($data['curve']['a']),
                        Hex::encode($data['curve']['b'])
                    );
                    $point = self::extractPoint("\0" . $data['base'], $curve);
                    $curve->setBasePoint(...$point);
                    $curve->setOrder($data['order']);
                    return $curve;
                default:
                    throw new UnsupportedCurveException('Field Type of ' . $data['fieldID']['fieldType'] . ' is not supported');
            }
        }
        throw new \RuntimeException('No valid parameters are present');
    }

    /**
     * Extract points from a string
     *
     * Supports both compressed and uncompressed points
     *
     * @param string $str
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @return object[]
     */
    public static function extractPoint($str, BaseCurve $curve)
    {
        if ($curve instanceof TwistedEdwardsCurve) {
            // first step of point deciding as discussed at the following URL's:
            // https://tools.ietf.org/html/rfc8032#section-5.1.3
            // https://tools.ietf.org/html/rfc8032#section-5.2.3
            $y = $str;
            $y = strrev($y);
            $sign = (bool) (ord($y[0]) & 0x80);
            $y[0] = $y[0] & chr(0x7F);
            $y = new BigInteger($y, 256);
            if ($y->compare($curve->getModulo()) >= 0) {
                throw new \RuntimeException('The Y coordinate should not be >= the modulo');
            }
            $point = $curve->recoverX($y, $sign);
            if (!$curve->verifyPoint($point)) {
                throw new \RuntimeException('Unable to verify that point exists on curve');
            }
            return $point;
        }

        // the first byte of a bit string represents the number of bits in the last byte that are to be ignored but,
        // currently, bit strings wanting a non-zero amount of bits trimmed are not supported
        if (($val = Strings::shift($str)) != "\0") {
            throw new \UnexpectedValueException('extractPoint expects the first byte to be null - not ' . Hex::encode($val));
        }
        if ($str == "\0") {
            return [];
        }

        $keylen = strlen($str);
        $order = $curve->getLengthInBytes();
        // point compression is being used
        if ($keylen == $order + 1) {
            return $curve->derivePoint($str);
        }

        // point compression is not being used
        if ($keylen == 2 * $order + 1) {
            preg_match("#(.)(.{{$order}})(.{{$order}})#s", $str, $matches);
            list(, $w, $x, $y) = $matches;
            if ($w != "\4") {
                throw new \UnexpectedValueException('The first byte of an uncompressed point should be 04 - not ' . Hex::encode($val));
            }
            $point = [
                $curve->convertInteger(new BigInteger($x, 256)),
                $curve->convertInteger(new BigInteger($y, 256))
            ];

            if (!$curve->verifyPoint($point)) {
                throw new \RuntimeException('Unable to verify that point exists on curve');
            }

            return $point;
        }

        throw new \UnexpectedValueException('The string representation of the points is not of an appropriate length');
    }

    /**
     * Encode Parameters
     *
     * @todo Maybe at some point this could be moved to __toString() for each of the curves?
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param bool $returnArray optional
     * @param array $options optional
     * @return string|false
     */
    private static function encodeParameters(BaseCurve $curve, $returnArray = false, array $options = [])
    {
        $useNamedCurves = isset($options['namedCurve']) ? $options['namedCurve'] : self::$useNamedCurves;

        $reflect = new \ReflectionClass($curve);
        $name = $reflect->getShortName();
        if ($useNamedCurves) {
            if (isset(self::$curveOIDs[$name])) {
                if ($reflect->isFinal()) {
                    $reflect = $reflect->getParentClass();
                    $name = $reflect->getShortName();
                }
                return $returnArray ?
                    ['namedCurve' => $name] :
                    ASN1::encodeDER(['namedCurve' => $name], Maps\ECParameters::MAP);
            }
            foreach (new \DirectoryIterator(__DIR__ . '/../../Curves/') as $file) {
                if ($file->getExtension() != 'php') {
                    continue;
                }
                $testName = $file->getBasename('.php');
                $class = 'phpseclib3\Crypt\EC\Curves\\' . $testName;
                $reflect = new \ReflectionClass($class);
                if ($reflect->isFinal()) {
                    continue;
                }
                $candidate = new $class();
                switch ($name) {
                    case 'Prime':
                        if (!$candidate instanceof PrimeCurve) {
                            break;
                        }
                        if (!$candidate->getModulo()->equals($curve->getModulo())) {
                            break;
                        }
                        if ($candidate->getA()->toBytes() != $curve->getA()->toBytes()) {
                            break;
                        }
                        if ($candidate->getB()->toBytes() != $curve->getB()->toBytes()) {
                            break;
                        }

                        list($candidateX, $candidateY) = $candidate->getBasePoint();
                        list($curveX, $curveY) = $curve->getBasePoint();
                        if ($candidateX->toBytes() != $curveX->toBytes()) {
                            break;
                        }
                        if ($candidateY->toBytes() != $curveY->toBytes()) {
                            break;
                        }

                        return $returnArray ?
                            ['namedCurve' => $testName] :
                            ASN1::encodeDER(['namedCurve' => $testName], Maps\ECParameters::MAP);
                    case 'Binary':
                        if (!$candidate instanceof BinaryCurve) {
                            break;
                        }
                        if ($candidate->getModulo() != $curve->getModulo()) {
                            break;
                        }
                        if ($candidate->getA()->toBytes() != $curve->getA()->toBytes()) {
                            break;
                        }
                        if ($candidate->getB()->toBytes() != $curve->getB()->toBytes()) {
                            break;
                        }

                        list($candidateX, $candidateY) = $candidate->getBasePoint();
                        list($curveX, $curveY) = $curve->getBasePoint();
                        if ($candidateX->toBytes() != $curveX->toBytes()) {
                            break;
                        }
                        if ($candidateY->toBytes() != $curveY->toBytes()) {
                            break;
                        }

                        return $returnArray ?
                            ['namedCurve' => $testName] :
                            ASN1::encodeDER(['namedCurve' => $testName], Maps\ECParameters::MAP);
                }
            }
        }

        $order = $curve->getOrder();
        // we could try to calculate the order thusly:
        // https://crypto.stackexchange.com/a/27914/4520
        // https://en.wikipedia.org/wiki/Schoof%E2%80%93Elkies%E2%80%93Atkin_algorithm
        if (!$order) {
            throw new \RuntimeException('Specified Curves need the order to be specified');
        }
        $point = $curve->getBasePoint();
        $x = $point[0]->toBytes();
        $y = $point[1]->toBytes();

        if ($curve instanceof PrimeCurve) {
            /*
             * valid versions are:
             *
             * ecdpVer1:
             *   - neither the curve or the base point are generated verifiably randomly.
             * ecdpVer2:
             *   - curve and base point are generated verifiably at random and curve.seed is present
             * ecdpVer3:
             *   - base point is generated verifiably at random but curve is not. curve.seed is present
             */
            // other (optional) parameters can be calculated using the methods discused at
            // https://crypto.stackexchange.com/q/28947/4520
            $data = [
                'version' => 'ecdpVer1',
                'fieldID' => [
                    'fieldType' => 'prime-field',
                    'parameters' => $curve->getModulo()
                ],
                'curve' => [
                    'a' => $curve->getA()->toBytes(),
                    'b' => $curve->getB()->toBytes()
                ],
                'base' => "\4" . $x . $y,
                'order' => $order
            ];

            return $returnArray ?
                ['specifiedCurve' => $data] :
                ASN1::encodeDER(['specifiedCurve' => $data], Maps\ECParameters::MAP);
        }
        if ($curve instanceof BinaryCurve) {
            $modulo = $curve->getModulo();
            $basis = count($modulo);
            $m = array_shift($modulo);
            array_pop($modulo); // the last parameter should always be 0
            //rsort($modulo);
            switch ($basis) {
                case 3:
                    $basis = 'tpBasis';
                    $modulo = new BigInteger($modulo[0]);
                    break;
                case 5:
                    $basis = 'ppBasis';
                    // these should be in strictly ascending order (hence the commented out rsort above)
                    $modulo = [
                        'k1' => new BigInteger($modulo[2]),
                        'k2' => new BigInteger($modulo[1]),
                        'k3' => new BigInteger($modulo[0])
                    ];
                    $modulo = ASN1::encodeDER($modulo, Maps\Pentanomial::MAP);
                    $modulo = new ASN1\Element($modulo);
            }
            $params = ASN1::encodeDER([
                'm' => new BigInteger($m),
                'basis' => $basis,
                'parameters' => $modulo
            ], Maps\Characteristic_two::MAP);
            $params = new ASN1\Element($params);
            $a = ltrim($curve->getA()->toBytes(), "\0");
            if (!strlen($a)) {
                $a = "\0";
            }
            $b = ltrim($curve->getB()->toBytes(), "\0");
            if (!strlen($b)) {
                $b = "\0";
            }
            $data = [
                'version' => 'ecdpVer1',
                'fieldID' => [
                    'fieldType' => 'characteristic-two-field',
                    'parameters' => $params
                ],
                'curve' => [
                    'a' => $a,
                    'b' => $b
                ],
                'base' => "\4" . $x . $y,
                'order' => $order
            ];

            return $returnArray ?
                ['specifiedCurve' => $data] :
                ASN1::encodeDER(['specifiedCurve' => $data], Maps\ECParameters::MAP);
        }

        throw new UnsupportedCurveException('Curve cannot be serialized');
    }

    /**
     * Use Specified Curve
     *
     * A specified curve has all the coefficients, the base points, etc, explicitely included.
     * A specified curve is a more verbose way of representing a curve
     */
    public static function useSpecifiedCurve()
    {
        self::$useNamedCurves = false;
    }

    /**
     * Use Named Curve
     *
     * A named curve does not include any parameters. It is up to the EC parameters to
     * know what the coefficients, the base points, etc, are from the name of the curve.
     * A named curve is a more concise way of representing a curve
     */
    public static function useNamedCurve()
    {
        self::$useNamedCurves = true;
    }
}
PK     ýˆU]&Ø”tÑ!  Ñ!  D  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PKCS8.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted EC Key Handler
 *
 * PHP version 5
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
 * is specific to private keys it's basically creating a DER-encoded wrapper
 * for keys. This just extends that same concept to public keys (much like ssh-keygen)
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\Formats\Keys\PKCS8 as Progenitor;
use phpseclib3\Crypt\EC\BaseCurves\Base as BaseCurve;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Crypt\EC\Curves\Ed448;
use phpseclib3\Exception\UnsupportedCurveException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;
use phpseclib3\Math\BigInteger;

/**
 * PKCS#8 Formatted EC Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends Progenitor
{
    use Common;

    /**
     * OID Name
     *
     * @var array
     * @access private
     */
    const OID_NAME = ['id-ecPublicKey', 'id-Ed25519', 'id-Ed448'];

    /**
     * OID Value
     *
     * @var string
     * @access private
     */
    const OID_VALUE = ['1.2.840.10045.2.1', '1.3.101.112', '1.3.101.113'];

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        // initialize_static_variables() is defined in both the trait and the parent class
        // when it's defined in two places it's the traits one that's called
        // the parent one is needed, as well, but the parent one is called by other methods
        // in the parent class as needed and in the context of the parent it's the parent
        // one that's called
        self::initialize_static_variables();

        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        $isPublic = strpos($key, 'PUBLIC') !== false;

        $key = parent::load($key, $password);

        $type = isset($key['privateKey']) ? 'privateKey' : 'publicKey';

        switch (true) {
            case !$isPublic && $type == 'publicKey':
                throw new \UnexpectedValueException('Human readable string claims non-public key but DER encoded string claims public key');
            case $isPublic && $type == 'privateKey':
                throw new \UnexpectedValueException('Human readable string claims public key but DER encoded string claims private key');
        }

        switch ($key[$type . 'Algorithm']['algorithm']) {
            case 'id-Ed25519':
            case 'id-Ed448':
                return self::loadEdDSA($key);
        }

        $decoded = ASN1::decodeBER($key[$type . 'Algorithm']['parameters']->element);
        $params = ASN1::asn1map($decoded[0], Maps\ECParameters::MAP);
        if (!$params) {
            throw new \RuntimeException('Unable to decode the parameters using Maps\ECParameters');
        }

        $components = [];
        $components['curve'] = self::loadCurveByParam($params);

        if ($isPublic) {
            $components['QA'] = self::extractPoint("\0" . $key['publicKey'], $components['curve']);

            return $components;
        }

        $decoded = ASN1::decodeBER($key['privateKey']);
        $key = ASN1::asn1map($decoded[0], Maps\ECPrivateKey::MAP);
        if (isset($key['parameters']) && $params != $key['parameters']) {
            throw new \RuntimeException('The PKCS8 parameter field does not match the private key parameter field');
        }

        $components['dA'] = new BigInteger($key['privateKey'], 256);
        $components['curve']->rangeCheck($components['dA']);
        $components['QA'] = isset($key['publicKey']) ?
            self::extractPoint($key['publicKey'], $components['curve']) :
            $components['curve']->multiplyPoint($components['curve']->getBasePoint(), $components['dA']);

        return $components;
    }

    /**
     * Break a public or private EdDSA key down into its constituent components
     *
     * @return array
     */
    private static function loadEdDSA(array $key)
    {
        $components = [];

        if (isset($key['privateKey'])) {
            $components['curve'] = $key['privateKeyAlgorithm']['algorithm'] == 'id-Ed25519' ? new Ed25519() : new Ed448();

            // 0x04 == octet string
            // 0x20 == length (32 bytes)
            if (substr($key['privateKey'], 0, 2) != "\x04\x20") {
                throw new \RuntimeException('The first two bytes of the private key field should be 0x0420');
            }
            $components['dA'] = $components['curve']->extractSecret(substr($key['privateKey'], 2));
        }

        if (isset($key['publicKey'])) {
            if (!isset($components['curve'])) {
                $components['curve'] = $key['publicKeyAlgorithm']['algorithm'] == 'id-Ed25519' ? new Ed25519() : new Ed448();
            }

            $components['QA'] = self::extractPoint($key['publicKey'], $components['curve']);
        }

        if (isset($key['privateKey']) && !isset($components['QA'])) {
            $components['QA'] = $components['curve']->multiplyPoint($components['curve']->getBasePoint(), $components['dA']);
        }

        return $components;
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param array $options optional
     * @return string
     */
    public static function savePublicKey(BaseCurve $curve, array $publicKey, array $options = [])
    {
        self::initialize_static_variables();

        if ($curve instanceof MontgomeryCurve) {
            throw new UnsupportedCurveException('Montgomery Curves are not supported');
        }

        if ($curve instanceof TwistedEdwardsCurve) {
            return self::wrapPublicKey(
                $curve->encodePoint($publicKey),
                null,
                $curve instanceof Ed25519 ? 'id-Ed25519' : 'id-Ed448'
            );
        }

        $params = new ASN1\Element(self::encodeParameters($curve, false, $options));

        $key = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();

        return self::wrapPublicKey($key, $params, 'id-ecPublicKey');
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\BaseCurves\Base $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @param array $options optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, BaseCurve $curve, array $publicKey, $password = '', array $options = [])
    {
        self::initialize_static_variables();

        if ($curve instanceof MontgomeryCurve) {
            throw new UnsupportedCurveException('Montgomery Curves are not supported');
        }

        if ($curve instanceof TwistedEdwardsCurve) {
            return self::wrapPrivateKey(
                "\x04\x20" . $privateKey->secret,
                [],
                null,
                $password,
                $curve instanceof Ed25519 ? 'id-Ed25519' : 'id-Ed448'
            );
        }

        $publicKey = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();

        $params = new ASN1\Element(self::encodeParameters($curve, false, $options));

        $key = [
            'version' => 'ecPrivkeyVer1',
            'privateKey' => $privateKey->toBytes(),
            //'parameters' => $params,
            'publicKey' => "\0" . $publicKey
        ];

        $key = ASN1::encodeDER($key, Maps\ECPrivateKey::MAP);

        return self::wrapPrivateKey($key, [], $params, $password, 'id-ecPublicKey', '', $options);
    }
}
PK      ‰U]¹è
n  n  P  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPrivate.phpnu „[µü¤        <?php

/**
 * Montgomery Private Key Handler
 *
 * "Naked" Curve25519 private keys can pretty much be any sequence of random 32x bytes so unless
 * we have a "hidden" key handler pretty much every 32 byte string will be loaded as a curve25519
 * private key even if it probably isn't one by PublicKeyLoader.
 *
 * "Naked" Curve25519 public keys also a string of 32 bytes so distinguishing between a "naked"
 * curve25519 private key and a public key is nigh impossible, hence separate plugins for each
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Crypt\EC\Curves\Curve448;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * Montgomery Curve Private Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class MontgomeryPrivate
{
    /**
     * Is invisible flag
     *
     * @access private
     */
    const IS_INVISIBLE = true;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        switch (strlen($key)) {
            case 32:
                $curve = new Curve25519();
                break;
            case 56:
                $curve = new Curve448();
                break;
            default:
                throw new \LengthException('The only supported lengths are 32 and 56');
        }

        $components = ['curve' => $curve];
        $components['dA'] = new BigInteger($key, 256);
        $curve->rangeCheck($components['dA']);
        // note that EC::getEncodedCoordinates does some additional "magic" (it does strrev on the result)
        $components['QA'] = $components['curve']->multiplyPoint($components['curve']->getBasePoint(), $components['dA']);

        return $components;
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\BaseCurves\Montgomery $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @return string
     */
    public static function savePublicKey(MontgomeryCurve $curve, array $publicKey)
    {
        return strrev($publicKey[0]->toBytes());
    }

    /**
     * Convert a private key to the appropriate format.
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $privateKey
     * @param \phpseclib3\Crypt\EC\BaseCurves\Montgomery $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @param string $password optional
     * @return string
     */
    public static function savePrivateKey(BigInteger $privateKey, MontgomeryCurve $curve, array $publicKey, $password = '')
    {
        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('MontgomeryPrivate private keys do not support encryption');
        }

        return $privateKey->toBytes();
    }
}
PK      ‰U]º¿äŽÁ  Á  O  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPublic.phpnu „[µü¤        <?php

/**
 * Montgomery Public Key Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Keys;

use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Crypt\EC\Curves\Curve448;
use phpseclib3\Math\BigInteger;

/**
 * Montgomery Public Key Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class MontgomeryPublic
{
    /**
     * Is invisible flag
     *
     * @access private
     */
    const IS_INVISIBLE = true;

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    public static function load($key, $password = '')
    {
        switch (strlen($key)) {
            case 32:
                $curve = new Curve25519();
                break;
            case 56:
                $curve = new Curve448();
                break;
            default:
                throw new \LengthException('The only supported lengths are 32 and 56');
        }

        $components = ['curve' => $curve];
        $components['QA'] = [$components['curve']->convertInteger(new BigInteger(strrev($key), 256))];

        return $components;
    }

    /**
     * Convert an EC public key to the appropriate format
     *
     * @access public
     * @param \phpseclib3\Crypt\EC\BaseCurves\Montgomery $curve
     * @param \phpseclib3\Math\Common\FiniteField\Integer[] $publicKey
     * @return string
     */
    public static function savePublicKey(MontgomeryCurve $curve, array $publicKey)
    {
        return strrev($publicKey[0]->toBytes());
    }
}
PK      ‰U]Êù¡    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/ASN1.phpnu „[µü¤        <?php

/**
 * ASN1 Signature Handler
 *
 * PHP version 5
 *
 * Handles signatures in the format described in
 * https://tools.ietf.org/html/rfc3279#section-2.2.3
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Signature;

use phpseclib3\File\ASN1 as Encoder;
use phpseclib3\File\ASN1\Maps\EcdsaSigValue;
use phpseclib3\Math\BigInteger;

/**
 * ASN1 Signature Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class ASN1
{
    /**
     * Loads a signature
     *
     * @access public
     * @param string $sig
     * @return array
     */
    public static function load($sig)
    {
        if (!is_string($sig)) {
            return false;
        }

        $decoded = Encoder::decodeBER($sig);
        if (empty($decoded)) {
            return false;
        }
        $components = Encoder::asn1map($decoded[0], EcdsaSigValue::MAP);

        return $components;
    }

    /**
     * Returns a signature in the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $r
     * @param \phpseclib3\Math\BigInteger $s
     * @return string
     */
    public static function save(BigInteger $r, BigInteger $s)
    {
        return Encoder::encodeDER(compact('r', 's'), EcdsaSigValue::MAP);
    }
}
PK      ‰U]Uyo$	  $	  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/SSH2.phpnu „[µü¤        <?php

/**
 * SSH2 Signature Handler
 *
 * PHP version 5
 *
 * Handles signatures in the format used by SSH2
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Signature;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Math\BigInteger;

/**
 * SSH2 Signature Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class SSH2
{
    /**
     * Loads a signature
     *
     * @access public
     * @param string $sig
     * @return mixed
     */
    public static function load($sig)
    {
        if (!is_string($sig)) {
            return false;
        }

        $result = Strings::unpackSSH2('ss', $sig);
        if ($result === false) {
            return false;
        }
        list($type, $blob) = $result;
        switch ($type) {
            // see https://tools.ietf.org/html/rfc5656#section-3.1.2
            case 'ecdsa-sha2-nistp256':
            case 'ecdsa-sha2-nistp384':
            case 'ecdsa-sha2-nistp521':
                break;
            default:
                return false;
        }

        $result = Strings::unpackSSH2('ii', $blob);
        if ($result === false) {
            return false;
        }

        return [
            'r' => $result[0],
            's' => $result[1]
        ];
    }

    /**
     * Returns a signature in the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $r
     * @param \phpseclib3\Math\BigInteger $s
     * @param string $curve
     * @return string
     */
    public static function save(BigInteger $r, BigInteger $s, $curve)
    {
        switch ($curve) {
            case 'secp256r1':
                $curve = 'nistp256';
                break;
            case 'secp384r1':
                $curve = 'nistp384';
                break;
            case 'secp521r1':
                $curve = 'nistp521';
                break;
            default:
                return false;
        }

        $blob = Strings::packSSH2('ii', $r, $s);

        return Strings::packSSH2('ss', 'ecdsa-sha2-' . $curve, $blob);
    }
}
PK      ‰U]3”GžP  P  G  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/Raw.phpnu „[µü¤        <?php

/**
 * Raw EC Signature Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   DSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC\Formats\Signature;

use phpseclib3\Crypt\Common\Formats\Signature\Raw as Progenitor;

/**
 * Raw DSA Signature Handler
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Raw extends Progenitor
{
}
PK      ‰U]`ü!  !  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect409k1.phpnu „[µü¤        <?php

/**
 * sect409k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect409k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(409, 87, 0);
        $this->setCoefficients(
            '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
            '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746',
            '01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B'
        );
        $this->setOrder(new BigInteger(
            '7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F' .
            '83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF',
            16
        ));
    }
}
PK      ‰U]¹3î’  ’  >  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Ed448.phpnu „[µü¤        <?php

/**
 * Ed448
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\Random;
use phpseclib3\Math\BigInteger;

class Ed448 extends TwistedEdwards
{
    const HASH = 'shake256-912';
    const SIZE = 57;

    public function __construct()
    {
        // 2^448 - 2^224 - 1
        $this->setModulo(new BigInteger(
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE' .
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF',
            16
        ));
        $this->setCoefficients(
            new BigInteger(1),
            // -39081
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE' .
                           'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF6756', 16)
        );
        $this->setBasePoint(
            new BigInteger('4F1970C66BED0DED221D15A622BF36DA9E146570470F1767EA6DE324' .
                           'A3D3A46412AE1AF72AB66511433B80E18B00938E2626A82BC70CC05E', 16),
            new BigInteger('693F46716EB6BC248876203756C9C7624BEA73736CA3984087789C1E' .
                           '05A0C2D73AD3FF1CE67C39C4FDBD132C4ED7C8AD9808795BF230FA14', 16)
        );
        $this->setOrder(new BigInteger(
            '3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
            '7CCA23E9C44EDB49AED63690216CC2728DC58F552378C292AB5844F3',
            16
        ));
    }

    /**
     * Recover X from Y
     *
     * Implements steps 2-4 at https://tools.ietf.org/html/rfc8032#section-5.2.3
     *
     * Used by EC\Keys\Common.php
     *
     * @param BigInteger $y
     * @param boolean $sign
     * @return object[]
     */
    public function recoverX(BigInteger $y, $sign)
    {
        $y = $this->factory->newInteger($y);

        $y2 = $y->multiply($y);
        $u = $y2->subtract($this->one);
        $v = $this->d->multiply($y2)->subtract($this->one);
        $x2 = $u->divide($v);
        if ($x2->equals($this->zero)) {
            if ($sign) {
                throw new \RuntimeException('Unable to recover X coordinate (x2 = 0)');
            }
            return clone $this->zero;
        }
        // find the square root
        $exp = $this->getModulo()->add(new BigInteger(1));
        $exp = $exp->bitwise_rightShift(2);
        $x = $x2->pow($exp);

        if (!$x->multiply($x)->subtract($x2)->equals($this->zero)) {
            throw new \RuntimeException('Unable to recover X coordinate');
        }
        if ($x->isOdd() != $sign) {
            $x = $x->negate();
        }

        return [$x, $y];
    }

    /**
     * Extract Secret Scalar
     *
     * Implements steps 1-3 at https://tools.ietf.org/html/rfc8032#section-5.2.5
     *
     * Used by the various key handlers
     *
     * @param string $str
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function extractSecret($str)
    {
        if (strlen($str) != 57) {
            throw new \LengthException('Private Key should be 57-bytes long');
        }
        // 1.  Hash the 57-byte private key using SHAKE256(x, 114), storing the
        //     digest in a 114-octet large buffer, denoted h.  Only the lower 57
        //     bytes are used for generating the public key.
        $hash = new Hash('shake256-912');
        $h = $hash->hash($str);
        $h = substr($h, 0, 57);
        // 2.  Prune the buffer: The two least significant bits of the first
        //     octet are cleared, all eight bits the last octet are cleared, and
        //     the highest bit of the second to last octet is set.
        $h[0] = $h[0] & chr(0xFC);
        $h = strrev($h);
        $h[0] = "\0";
        $h[1] = $h[1] | chr(0x80);
        // 3.  Interpret the buffer as the little-endian integer, forming a
        //     secret scalar s.
        $dA = new BigInteger($h, 256);

        $dA->secret = $str;
        return $dA;
    }

    /**
     * Encode a point as a string
     *
     * @param array $point
     * @return string
     */
    public function encodePoint($point)
    {
        list($x, $y) = $point;
        $y = "\0" . $y->toBytes();
        if ($x->isOdd()) {
            $y[0] = $y[0] | chr(0x80);
        }
        $y = strrev($y);

        return $y;
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function createRandomMultiplier()
    {
        return $this->extractSecret(Random::string(57));
    }

    /**
     * Converts an affine point to an extended homogeneous coordinate
     *
     * From https://tools.ietf.org/html/rfc8032#section-5.2.4 :
     *
     * A point (x,y) is represented in extended homogeneous coordinates (X, Y, Z, T),
     * with x = X/Z, y = Y/Z, x * y = T/Z.
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToInternal(array $p)
    {
        if (empty($p)) {
            return [clone $this->zero, clone $this->one, clone $this->one];
        }

        if (isset($p[2])) {
            return $p;
        }

        $p[2] = clone $this->one;

        return $p;
    }

    /**
     * Doubles a point on a curve
     *
     * @return FiniteField[]
     */
    public function doublePoint(array $p)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p)) {
            return [];
        }

        if (!isset($p[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        // from https://tools.ietf.org/html/rfc8032#page-18

        list($x1, $y1, $z1) = $p;

        $b = $x1->add($y1);
        $b = $b->multiply($b);
        $c = $x1->multiply($x1);
        $d = $y1->multiply($y1);
        $e = $c->add($d);
        $h = $z1->multiply($z1);
        $j = $e->subtract($this->two->multiply($h));

        $x3 = $b->subtract($e)->multiply($j);
        $y3 = $c->subtract($d)->multiply($e);
        $z3 = $e->multiply($j);

        return [$x3, $y3, $z3];
    }

    /**
     * Adds two points on the curve
     *
     * @return FiniteField[]
     */
    public function addPoint(array $p, array $q)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p) || !count($q)) {
            if (count($q)) {
                return $q;
            }
            if (count($p)) {
                return $p;
            }
            return [];
        }

        if (!isset($p[2]) || !isset($q[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        if ($p[0]->equals($q[0])) {
            return !$p[1]->equals($q[1]) ? [] : $this->doublePoint($p);
        }

        // from https://tools.ietf.org/html/rfc8032#page-17

        list($x1, $y1, $z1) = $p;
        list($x2, $y2, $z2) = $q;

        $a = $z1->multiply($z2);
        $b = $a->multiply($a);
        $c = $x1->multiply($x2);
        $d = $y1->multiply($y2);
        $e = $this->d->multiply($c)->multiply($d);
        $f = $b->subtract($e);
        $g = $b->add($e);
        $h = $x1->add($y1)->multiply($x2->add($y2));

        $x3 = $a->multiply($f)->multiply($h->subtract($c)->subtract($d));
        $y3 = $a->multiply($g)->multiply($d->subtract($c));
        $z3 = $f->multiply($g);

        return [$x3, $y3, $z3];
    }
}
PK     ‰U]�#‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp384.phpnu „[µü¤        <?php

/**
 * nistp384
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistp384 extends secp384r1
{
}
PK     ‰U]ì™•  •  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect131r1.phpnu „[µü¤        <?php

/**
 * sect131r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect131r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(131, 8, 3, 2, 0);
        $this->setCoefficients(
            '07A11B09A76B562144418FF3FF8C2570B8',
            '0217C05610884B63B9C6C7291678F9D341'
        );
        $this->setBasePoint(
            '0081BAF91FDF9833C40F9C181343638399',
            '078C6E7EA38C001F73C8134B1B4EF9E150'
        );
        $this->setOrder(new BigInteger('0400000000000000023123953A9464B54D', 16));
    }
}
PK     ‰U]¥w£à  à  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect193r2.phpnu „[µü¤        <?php

/**
 * sect193r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect193r2 extends Binary
{
    public function __construct()
    {
        $this->setModulo(193, 15, 0);
        $this->setCoefficients(
            '0163F35A5137C2CE3EA6ED8667190B0BC43ECD69977702709B',
            '00C9BB9E8927D4D64C377E2AB2856A5B16E3EFB7F61D4316AE'
        );
        $this->setBasePoint(
            '00D9B67D192E0367C803F39E1A7E82CA14A651350AAE617E8F',
            '01CE94335607C304AC29E7DEFBD9CA01F596F927224CDECF6C'
        );
        $this->setOrder(new BigInteger('010000000000000000000000015AAB561B005413CCD4EE99D5', 16));
    }
}
PK     ‰U]jÛL<  <  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP160r1.phpnu „[µü¤        <?php

/**
 * brainpoolP160r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP160r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('E95E4A5F737059DC60DFC7AD95B3D8139515620F', 16));
        $this->setCoefficients(
            new BigInteger('340E7BE2A280EB74E2BE61BADA745D97E8F7C300', 16),
            new BigInteger('1E589A8595423412134FAA2DBDEC95C8D8675E58', 16)
        );
        $this->setBasePoint(
            new BigInteger('BED5AF16EA3F6A4F62938C4631EB5AF7BDBCDBC3', 16),
            new BigInteger('1667CB477A1A8EC338F94741669C976316DA6321', 16)
        );
        $this->setOrder(new BigInteger('E95E4A5F737059DC60DF5991D45029409E60FC09', 16));
    }
}
PK     ‰U]„rŸüb  b  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v3.phpnu „[µü¤        <?php

/**
 * prime192v3
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class prime192v3 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC', 16),
            new BigInteger('22123DC2395A05CAA7423DAECCC94760A7D462256BD56916', 16)
        );
        $this->setBasePoint(
            new BigInteger('7D29778100C65A1DA1783716588DCE2B8B4AEE8E228F1896', 16),
            new BigInteger('38A90F22637337334B49DCB66A6DC8F9978ACA7648A943B0', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFF7A62D031C83F4294F640EC13', 16));
    }
}
PK     ‰U]®í
0	  0	  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Curve25519.phpnu „[µü¤        <?php

/**
 * Curve25519
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Montgomery;
use phpseclib3\Math\BigInteger;

class Curve25519 extends Montgomery
{
    public function __construct()
    {
        // 2^255 - 19
        $this->setModulo(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFED', 16));
        $this->a24 = $this->factory->newInteger(new BigInteger('121666'));
        $this->p = [$this->factory->newInteger(new BigInteger(9))];
        // 2^252 + 0x14def9dea2f79cd65812631a5cf5d3ed
        $this->setOrder(new BigInteger('1000000000000000000000000000000014DEF9DEA2F79CD65812631A5CF5D3ED', 16));

        /*
        $this->setCoefficients(
            new BigInteger('486662'), // a
        );
        $this->setBasePoint(
            new BigInteger(9),
            new BigInteger('14781619447589544791020593568409986887264606134616475288964881837755586237401')
        );
        */
    }

    /**
     * Multiply a point on the curve by a scalar
     *
     * Modifies the scalar as described at https://tools.ietf.org/html/rfc7748#page-8
     *
     * @return array
     */
    public function multiplyPoint(array $p, BigInteger $d)
    {
        //$r = strrev(sodium_crypto_scalarmult($d->toBytes(), strrev($p[0]->toBytes())));
        //return [$this->factory->newInteger(new BigInteger($r, 256))];

        $d = $d->toBytes();
        $d &= "\xF8" . str_repeat("\xFF", 30) . "\x7F";
        $d = strrev($d);
        $d |= "\x40";
        $d = new BigInteger($d, -256);

        return parent::multiplyPoint($p, $d);
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return BigInteger
     */
    public function createRandomMultiplier()
    {
        return BigInteger::random(256);
    }

    /**
     * Performs range check
     */
    public function rangeCheck(BigInteger $x)
    {
        if ($x->getLength() > 256 || $x->isNegative()) {
            throw new \RangeException('x must be a positive integer less than 256 bytes in length');
        }
    }
}
PK     ‰U]ß�t‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp256.phpnu „[µü¤        <?php

/**
 * nistp256
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistp256 extends secp256r1
{
}
PK     ‰U]`Ç½ãc  c  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp192k1.phpnu „[µü¤        <?php

/**
 * secp192k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib3\Math\BigInteger;

class secp192k1 extends KoblitzPrime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37', 16));
        $this->setCoefficients(
            new BigInteger('000000000000000000000000000000000000000000000000', 16),
            new BigInteger('000000000000000000000000000000000000000000000003', 16)
        );
        $this->setBasePoint(
            new BigInteger('DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D', 16),
            new BigInteger('9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D', 16));

        $this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('00B3FB3400DEC5C4ADCEB8655C', -16),
            'b' => new BigInteger('8EE96418CCF4CFC7124FDA0F', -16)
        ];
        $this->basis[] = [
            'a' => new BigInteger('01D90D03E8F096B9948B20F0A9', -16),
            'b' => new BigInteger('42E49819ABBA9474E1083F6B', -16)
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('447A96E6C647963E2F7809FEAAB46947F34B0AA3CA0BBA74', -16));
    }
}
PK     ‰U]˜ eIª  ª  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v2.phpnu „[µü¤        <?php

/**
 * prime239v2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class prime239v2 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFC', 16),
            new BigInteger('617FAB6832576CBBFED50D99F0249C3FEE58B94BA0038C7AE84C8C832F2C', 16)
        );
        $this->setBasePoint(
            new BigInteger('38AF09D98727705120C921BB5E9E26296A3CDCF2F35757A0EAFD87B830E7', 16),
            new BigInteger('5B0125E4DBEA0EC7206DA0FC01D9B081329FB555DE6EF460237DFF8BE4BA', 16)
        );
        $this->setOrder(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF800000CFA7E8594377D414C03821BC582063', 16));
    }
}
PK     ‰U]mL›¾    B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp128r2.phpnu „[µü¤        <?php

/**
 * secp128r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp128r2 extends Prime
{
    public function __construct()
    {
        // same as secp128r1
        $this->setModulo(new BigInteger('FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('D6031998D1B3BBFEBF59CC9BBFF9AEE1', 16),
            new BigInteger('5EEEFCA380D02919DC2C6558BB6D8A5D', 16)
        );
        $this->setBasePoint(
            new BigInteger('7B6AA5D85E572983E6FB32A7CDEBC140', 16),
            new BigInteger('27B6916A894D3AEE7106FE805FC34B44', 16)
        );
        $this->setOrder(new BigInteger('3FFFFFFF7FFFFFFFBE0024720613B5A3', 16));
    }
}
PK     ‰U]@¨ì²Œ  Œ  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk283.phpnu „[µü¤        <?php

/**
 * sect283k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistk283 extends sect283k1
{
}
PK     ‰U]](“È  È  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP512t1.phpnu „[µü¤        <?php

/**
 * brainpoolP512t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP512t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger(
            'AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC' .
            '66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3',
            16
        ));
        $this->setCoefficients(
            new BigInteger(
                'AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC' .
                '66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F0',
                16
            ), // eg. -3
            new BigInteger(
                '7CBBBCF9441CFAB76E1890E46884EAE321F70C0BCB4981527897504BEC3E36A62BCDFA23049' .
                '76540F6450085F2DAE145C22553B465763689180EA2571867423E',
                16
            )
        );
        $this->setBasePoint(
            new BigInteger(
                '640ECE5C12788717B9C1BA06CBC2A6FEBA85842458C56DDE9DB1758D39C0313D82BA51735CD' .
                'B3EA499AA77A7D6943A64F7A3F25FE26F06B51BAA2696FA9035DA',
                16
            ),
            new BigInteger(
                '5B534BD595F5AF0FA2C892376C84ACE1BB4E3019B71634C01131159CAE03CEE9D9932184BEE' .
                'F216BD71DF2DADF86A627306ECFF96DBB8BACE198B61E00F8B332',
                16
            )
        );
        $this->setOrder(new BigInteger(
            'AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA' .
            '92619418661197FAC10471DB1D381085DDADDB58796829CA90069',
            16
        ));
    }
}
PK     ‰U]‡2;Ð    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP160t1.phpnu „[µü¤        <?php

/**
 * brainpoolP160t1
 *
 * This curve is a twisted version of brainpoolP160r1 with A = -3. With brainpool,
 * the curves ending in r1 are the "regular" curves and the curves ending in "t1"
 * are the twisted version of the r1 curves. Per https://tools.ietf.org/html/rfc5639#page-7
 * you can convert a point on an r1 curve to a point on a t1 curve thusly:
 *
 *     F(x,y) := (x*Z^2, y*Z^3)
 *
 * The advantage of A = -3 is that some of the point doubling and point addition can be
 * slightly optimized. See http://hyperelliptic.org/EFD/g1p/auto-shortw-projective-3.html
 * vs http://hyperelliptic.org/EFD/g1p/auto-shortw-projective.html for example.
 *
 * phpseclib does not currently take advantage of this optimization opportunity
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP160t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('E95E4A5F737059DC60DFC7AD95B3D8139515620F', 16));
        $this->setCoefficients(
            new BigInteger('E95E4A5F737059DC60DFC7AD95B3D8139515620C', 16), // eg. -3
            new BigInteger('7A556B6DAE535B7B51ED2C4D7DAA7A0B5C55F380', 16)
        );
        $this->setBasePoint(
            new BigInteger('B199B13B9B34EFC1397E64BAEB05ACC265FF2378', 16),
            new BigInteger('ADD6718B7C7C1961F0991B842443772152C9E0AD', 16)
        );
        $this->setOrder(new BigInteger('E95E4A5F737059DC60DF5991D45029409E60FC09', 16));
    }
}
PK     ‰U]¼EŸ    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP384t1.phpnu „[µü¤        <?php

/**
 * brainpoolP384t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP384t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger(
            '8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A7' .
            '1874700133107EC53',
            16
        ));
        $this->setCoefficients(
            new BigInteger(
                '8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901' .
                'D1A71874700133107EC50',
                16
            ), // eg. -3
            new BigInteger(
                '7F519EADA7BDA81BD826DBA647910F8C4B9346ED8CCDC64E4B1ABD11756DCE1D2074AA263B8' .
                '8805CED70355A33B471EE',
                16
            )
        );
        $this->setBasePoint(
            new BigInteger(
                '18DE98B02DB9A306F2AFCD7235F72A819B80AB12EBD653172476FECD462AABFFC4FF191B946' .
                'A5F54D8D0AA2F418808CC',
                16
            ),
            new BigInteger(
                '25AB056962D30651A114AFD2755AD336747F93475B7A1FCA3B88F2B6A208CCFE469408584DC' .
                '2B2912675BF5B9E582928',
                16
            )
        );
        $this->setOrder(new BigInteger(
            '8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC31' .
            '03B883202E9046565',
            16
        ));
    }
}
PK     ‰U]^¡ÄBÖ  Ö  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP256t1.phpnu „[µü¤        <?php

/**
 * brainpoolP256t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP256t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377', 16));
        $this->setCoefficients(
            new BigInteger('A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5374', 16), // eg. -3
            new BigInteger('662C61C430D84EA4FE66A7733D0B76B7BF93EBC4AF2F49256AE58101FEE92B04', 16)
        );
        $this->setBasePoint(
            new BigInteger('A3E8EB3CC1CFE7B7732213B23A656149AFA142C47AAFBC2B79A191562E1305F4', 16),
            new BigInteger('2D996C823439C56D7F7B22E14644417E69BCB6DE39D027001DABE8F35B25C9BE', 16)
        );
        $this->setOrder(new BigInteger('A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7', 16));
    }
}
PK     ‰U]ïúœ‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistb233.phpnu „[µü¤        <?php

/**
 * nistb233
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistb233 extends sect233r1
{
}
PK     ‰U]ô…•ì�  �  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime256v1.phpnu „[µü¤        <?php

/**
 * prime256v1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class prime256v1 extends secp256r1
{
}
PK     ‰U]HÌº>|  |  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp384r1.phpnu „[µü¤        <?php

/**
 * secp384r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp384r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger(
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF',
            16
        ));
        $this->setCoefficients(
            new BigInteger(
                'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC',
                16
            ),
            new BigInteger(
                'B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF',
                16
            )
        );
        $this->setBasePoint(
            new BigInteger(
                'AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B9859F741E082542A385502F25DBF55296C3A545E3872760AB7',
                16
            ),
            new BigInteger(
                '3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A147CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F',
                16
            )
        );
        $this->setOrder(new BigInteger(
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973',
            16
        ));
    }
}
PK     ‰U]<=œ•  •  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect131r2.phpnu „[µü¤        <?php

/**
 * sect131r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect131r2 extends Binary
{
    public function __construct()
    {
        $this->setModulo(131, 8, 3, 2, 0);
        $this->setCoefficients(
            '03E5A88919D7CAFCBF415F07C2176573B2',
            '04B8266A46C55657AC734CE38F018F2192'
        );
        $this->setBasePoint(
            '0356DCD8F2F95031AD652D23951BB366A8',
            '0648F06D867940A5366D9E265DE9EB240F'
        );
        $this->setOrder(new BigInteger('0400000000000000016954A233049BA98F', 16));
    }
}
PK     ‰U]\‹¹­  ­  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp224k1.phpnu „[µü¤        <?php

/**
 * secp224k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib3\Math\BigInteger;

class secp224k1 extends KoblitzPrime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D', 16));
        $this->setCoefficients(
            new BigInteger('00000000000000000000000000000000000000000000000000000000', 16),
            new BigInteger('00000000000000000000000000000000000000000000000000000005', 16)
        );
        $this->setBasePoint(
            new BigInteger('A1455B334DF099DF30FC28A169A467E9E47075A90F7E650EB6B7A45C', 16),
            new BigInteger('7E089FED7FBA344282CAFBD6F7E319F7C0B0BD59E2CA4BDB556D61A5', 16)
        );
        $this->setOrder(new BigInteger('010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7', 16));

        $this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('00B8ADF1378A6EB73409FA6C9C637D', -16),
            'b' => new BigInteger('94730F82B358A3776A826298FA6F', -16)
        ];
        $this->basis[] = [
            'a' => new BigInteger('01DCE8D2EC6184CAF0A972769FCC8B', -16),
            'b' => new BigInteger('4D2100BA3DC75AAB747CCF355DEC', -16)
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('01F178FFA4B17C89E6F73AECE2AAD57AF4C0A748B63C830947B27E04', -16));
    }
}
PK     ‰U]%`‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp192.phpnu „[µü¤        <?php

/**
 * nistp192
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistp192 extends secp192r1
{
}
PK     	‰U]Ú<Š~O  O  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160r2.phpnu „[µü¤        <?php

/**
 * secp160r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp160r2 extends Prime
{
    public function __construct()
    {
        // same as secp160k1
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC70', 16),
            new BigInteger('B4E134D3FB59EB8BAB57274904664D5AF50388BA', 16)
        );
        $this->setBasePoint(
            new BigInteger('52DCB034293A117E1F4FF11B30F7199D3144CE6D', 16),
            new BigInteger('FEAFFEF2E331F296E071FA0DF9982CFEA7D43F2E', 16)
        );
        $this->setOrder(new BigInteger('0100000000000000000000351EE786A818F3A1A16B', 16));
    }
}
PK     	‰U]/�év  v  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP192t1.phpnu „[µü¤        <?php

/**
 * brainpoolP192t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP192t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297', 16));
        $this->setCoefficients(
            new BigInteger('C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86294', 16), // eg. -3
            new BigInteger('13D56FFAEC78681E68F9DEB43B35BEC2FB68542E27897B79', 16)
        );
        $this->setBasePoint(
            new BigInteger('3AE9E58C82F63C30282E1FE7BBF43FA72C446AF6F4618129', 16),
            new BigInteger('097E2C5667C2223A902AB5CA449D0084B7E5B3DE7CCC01C9', 16)
        );
        $this->setOrder(new BigInteger('C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1', 16));
    }
}
PK     	‰U],dh€Ì  Ì  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP256r1.phpnu „[µü¤        <?php

/**
 * brainpoolP256r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP256r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('A9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377', 16));
        $this->setCoefficients(
            new BigInteger('7D5A0975FC2C3057EEF67530417AFFE7FB8055C126DC5C6CE94A4B44F330B5D9', 16),
            new BigInteger('26DC5C6CE94A4B44F330B5D9BBD77CBF958416295CF7E1CE6BCCDC18FF8C07B6', 16)
        );
        $this->setBasePoint(
            new BigInteger('8BD2AEB9CB7E57CB2C4B482FFC81B7AFB9DE27E1E3BD23C23A4453BD9ACE3262', 16),
            new BigInteger('547EF835C3DAC4FD97F8461A14611DC9C27745132DED8E545C1D54C72F046997', 16)
        );
        $this->setOrder(new BigInteger('A9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7', 16));
    }
}
PK     	‰U];y§Lÿ  ÿ  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp192r1.phpnu „[µü¤        <?php

/**
 * secp192r1
 *
 * This is the NIST P-192 curve
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp192r1 extends Prime
{
    public function __construct()
    {
        $modulo = new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF', 16);
        $this->setModulo($modulo);

        // algorithm 2.27 from http://diamond.boisestate.edu/~liljanab/MATH308/GuideToECC.pdf#page=66
        /* in theory this should be faster than regular modular reductions save for one small issue.
           to convert to / from base-2**8 with BCMath you have to call bcmul() and bcdiv() a lot.
           to convert to / from base-2**8 with PHP64 you have to call base256_rshift() a lot.
           in short, converting to / from base-2**8 is pretty expensive and that expense is
           enough to offset whatever else might be gained by a simplified reduction algorithm.
           now, if PHP supported unsigned integers things might be different. no bit-shifting
           would be required for the PHP engine and it'd be a lot faster. but as is, BigInteger
           uses base-2**31 or base-2**26 depending on whether or not the system is has a 32-bit
           or a 64-bit OS.
        */
        /*
        $m_length = $this->getLengthInBytes();
        $this->setReduction(function($c) use ($m_length) {
            $cBytes = $c->toBytes();
            $className = $this->className;

            if (strlen($cBytes) > 2 * $m_length) {
                list(, $r) = $c->divide($className::$modulo);
                return $r;
            }

            $c = str_pad($cBytes, 48, "\0", STR_PAD_LEFT);
            $c = array_reverse(str_split($c, 8));

            $null = "\0\0\0\0\0\0\0\0";
            $s1 = new BigInteger($c[2] . $c[1] . $c[0], 256);
            $s2 = new BigInteger($null . $c[3] . $c[3], 256);
            $s3 = new BigInteger($c[4] . $c[4] . $null, 256);
            $s4 = new BigInteger($c[5] . $c[5] . $c[5], 256);

            $r = $s1->add($s2)->add($s3)->add($s4);
            while ($r->compare($className::$modulo) >= 0) {
                $r = $r->subtract($className::$modulo);
            }

            return $r;
        });
        */

        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC', 16),
            new BigInteger('64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1', 16)
        );
        $this->setBasePoint(
            new BigInteger('188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012', 16),
            new BigInteger('07192B95FFC8DA78631011ED6B24CDD573F977A11E794811', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831', 16));
    }
}
PK     	‰U]ÒD:è  è  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp112r1.phpnu „[µü¤        <?php

/**
 * secp112r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp112r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('DB7C2ABF62E35E668076BEAD208B', 16));
        $this->setCoefficients(
            new BigInteger('DB7C2ABF62E35E668076BEAD2088', 16),
            new BigInteger('659EF8BA043916EEDE8911702B22', 16)
        );
        $this->setBasePoint(
            new BigInteger('09487239995A5EE76B55F9C2F098', 16),
            new BigInteger('A89CE5AF8724C0A23E0E0FF77500', 16)
        );
        $this->setOrder(new BigInteger('DB7C2ABF62E35E7628DFAC6561C5', 16));
    }
}
PK     	‰U]‚™õ�  �  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v1.phpnu „[µü¤        <?php

/**
 * prime192v1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class prime192v1 extends secp192r1
{
}
PK     	‰U]”Û'    B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect233r1.phpnu „[µü¤        <?php

/**
 * sect233r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect233r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(233, 74, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000001',
            '0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD'
        );
        $this->setBasePoint(
            '00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B',
            '01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052'
        );
        $this->setOrder(new BigInteger('01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7', 16));
    }
}
PK     
‰U]ôe.Zl
  l
  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Curve448.phpnu „[µü¤        <?php

/**
 * Curve448
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Montgomery;
use phpseclib3\Math\BigInteger;

class Curve448 extends Montgomery
{
    public function __construct()
    {
        // 2^448 - 2^224 - 1
        $this->setModulo(new BigInteger(
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE' .
            'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF',
            16
        ));
        $this->a24 = $this->factory->newInteger(new BigInteger('39081'));
        $this->p = [$this->factory->newInteger(new BigInteger(5))];
        // 2^446 - 0x8335dc163bb124b65129c96fde933d8d723a70aadc873d6d54a7bb0d
        $this->setOrder(new BigInteger(
            '3FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
            '7CCA23E9C44EDB49AED63690216CC2728DC58F552378C292AB5844F3',
            16
        ));

        /*
        $this->setCoefficients(
            new BigInteger('156326'), // a
        );
        $this->setBasePoint(
            new BigInteger(5),
            new BigInteger(
                '355293926785568175264127502063783334808976399387714271831880898' .
                '435169088786967410002932673765864550910142774147268105838985595290' .
                '606362')
        );
        */
    }

    /**
     * Multiply a point on the curve by a scalar
     *
     * Modifies the scalar as described at https://tools.ietf.org/html/rfc7748#page-8
     *
     * @return array
     */
    public function multiplyPoint(array $p, BigInteger $d)
    {
        //$r = strrev(sodium_crypto_scalarmult($d->toBytes(), strrev($p[0]->toBytes())));
        //return [$this->factory->newInteger(new BigInteger($r, 256))];

        $d = $d->toBytes();
        $d[0] = $d[0] & "\xFC";
        $d = strrev($d);
        $d |= "\x80";
        $d = new BigInteger($d, 256);

        return parent::multiplyPoint($p, $d);
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return BigInteger
     */
    public function createRandomMultiplier()
    {
        return BigInteger::random(446);
    }

    /**
     * Performs range check
     */
    public function rangeCheck(BigInteger $x)
    {
        if ($x->getLength() > 448 || $x->isNegative()) {
            throw new \RangeException('x must be a positive integer less than 446 bytes in length');
        }
    }
}
PK     
‰U]7/ãà  à  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect193r1.phpnu „[µü¤        <?php

/**
 * sect193r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect193r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(193, 15, 0);
        $this->setCoefficients(
            '0017858FEB7A98975169E171F77B4087DE098AC8A911DF7B01',
            '00FDFB49BFE6C3A89FACADAA7A1E5BBC7CC1C2E5D831478814'
        );
        $this->setBasePoint(
            '01F481BC5F0FF84A74AD6CDF6FDEF4BF6179625372D8C0C5E1',
            '0025E399F2903712CCF3EA9E3A1AD17FB0B3201B6AF7CE1B05'
        );
        $this->setOrder(new BigInteger('01000000000000000000000000C7F34A778F443ACC920EBA49', 16));
    }
}
PK     
‰U]÷=+n‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk233.phpnu „[µü¤        <?php

/**
 * nistk233
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistk233 extends sect233k1
{
}
PK     
‰U]•JPÑf  f  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp256k1.phpnu „[µü¤        <?php

/**
 * secp256k1
 *
 * This is the curve used in Bitcoin
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

//use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib3\Math\BigInteger;

//class secp256k1 extends Prime
class secp256k1 extends KoblitzPrime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F', 16));
        $this->setCoefficients(
            new BigInteger('0000000000000000000000000000000000000000000000000000000000000000', 16),
            new BigInteger('0000000000000000000000000000000000000000000000000000000000000007', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141', 16));
        $this->setBasePoint(
            new BigInteger('79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798', 16),
            new BigInteger('483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8', 16)
        );

        $this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16),
            'b' => new BigInteger('FF1BBC8129FEF177D790AB8056F5401B3D', -16)
        ];
        $this->basis[] = [
            'a' => new BigInteger('114CA50F7A8E2F3F657C1108D9D44CFD8', -16),
            'b' => new BigInteger('3086D221A7D46BCDE86C90E49284EB15', -16)
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('7AE96A2B657C07106E64479EAC3434E99CF0497512F58995C1396C28719501EE', -16));
    }
}
PK     
‰U]°n'¨‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk163.phpnu „[µü¤        <?php

/**
 * nistk163
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistk163 extends sect163k1
{
}
PK     
‰U]ñ=ú
  
  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp521r1.phpnu „[µü¤        <?php

/**
 * secp521r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp521r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
                                        'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
                                        'FFFF', 16));
        $this->setCoefficients(
            new BigInteger('01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
                           'FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
                           'FFFC', 16),
            new BigInteger('0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF1' .
                           '09E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B50' .
                           '3F00', 16)
        );
        $this->setBasePoint(
            new BigInteger('00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D' .
                           '3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5' .
                           'BD66', 16),
            new BigInteger('011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E' .
                           '662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD1' .
                           '6650', 16)
        );
        $this->setOrder(new BigInteger('01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
                                       'FFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E9138' .
                                       '6409', 16));
    }
}
PK     ‰U]J˜‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp224.phpnu „[µü¤        <?php

/**
 * nistp224
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistp224 extends secp224r1
{
}
PK     ‰U]ÉGw£5  5  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect571r1.phpnu „[µü¤        <?php

/**
 * sect571r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect571r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(571, 10, 5, 2, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000000000000000' .
            '000000000000000000000000000000000000000000000000000000000000000000000001',
            '02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD' .
            '8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A'
        );
        $this->setBasePoint(
            '0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950' .
            'F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19',
            '037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43' .
            'BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B'
        );
        $this->setOrder(new BigInteger(
            '03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF' .
            'E661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47',
            16
        ));
    }
}
PK     ‰U]óùãý  ý  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP384r1.phpnu „[µü¤        <?php

/**
 * brainpoolP384r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP384r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger(
            '8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB71123ACD3A729901D1A7' .
            '1874700133107EC53',
            16
        ));
        $this->setCoefficients(
            new BigInteger(
                '7BC382C63D8C150C3C72080ACE05AFA0C2BEA28E4FB22787139165EFBA91F90F8AA5814A503' .
                'AD4EB04A8C7DD22CE2826',
                16
            ),
            new BigInteger(
                '4A8C7DD22CE28268B39B55416F0447C2FB77DE107DCD2A62E880EA53EEB62D57CB4390295DB' .
                'C9943AB78696FA504C11',
                16
            )
        );
        $this->setBasePoint(
            new BigInteger(
                '1D1C64F068CF45FFA2A63A81B7C13F6B8847A3E77EF14FE3DB7FCAFE0CBD10E8E826E03436D' .
                '646AAEF87B2E247D4AF1E',
                16
            ),
            new BigInteger(
                '8ABE1D7520F9C2A45CB1EB8E95CFD55262B70B29FEEC5864E19C054FF99129280E464621779' .
                '1811142820341263C5315',
                16
            )
        );
        $this->setOrder(new BigInteger(
            '8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425A7CF3AB6AF6B7FC31' .
            '03B883202E9046565',
            16
        ));
    }
}
PK     ‰U]�Y‡Ó¦  ¦  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP224t1.phpnu „[µü¤        <?php

/**
 * brainpoolP224t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP224t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FF', 16));
        $this->setCoefficients(
            new BigInteger('D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FC', 16), // eg. -3
            new BigInteger('4B337D934104CD7BEF271BF60CED1ED20DA14C08B3BB64F18A60888D', 16)
        );
        $this->setBasePoint(
            new BigInteger('6AB1E344CE25FF3896424E7FFE14762ECB49F8928AC0C76029B4D580', 16),
            new BigInteger('0374E9F5143E568CD23F3F4D7C0D4B1E41C8CC0D1C6ABD5F1A46DB4C', 16)
        );
        $this->setOrder(new BigInteger('D7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F', 16));
    }
}
PK     ‰U]¥IÙ•{  {  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect113r1.phpnu „[µü¤        <?php

/**
 * sect113r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect113r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(113, 9, 0);
        $this->setCoefficients(
            '003088250CA6E7C7FE649CE85820F7',
            '00E8BEE4D3E2260744188BE0E9C723'
        );
        $this->setBasePoint(
            '009D73616F35F4AB1407D73562C10F',
            '00A52830277958EE84D1315ED31886'
        );
        $this->setOrder(new BigInteger('0100000000000000D9CCEC8A39E56F', 16));
    }
}
PK     ‰U]šhÙµ{  {  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect113r2.phpnu „[µü¤        <?php

/**
 * sect113r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect113r2 extends Binary
{
    public function __construct()
    {
        $this->setModulo(113, 9, 0);
        $this->setCoefficients(
            '00689918DBEC7E5A0DD6DFC0AA55C7',
            '0095E9A9EC9B297BD4BF36E059184F'
        );
        $this->setBasePoint(
            '01A57A6A7B26CA5EF52FCDB8164797',
            '00B3ADC94ED1FE674C06E695BABA1D'
        );
        $this->setOrder(new BigInteger('010000000000000108789B2496AF93', 16));
    }
}
PK     ‰U]P™­¼ª  ª  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v3.phpnu „[µü¤        <?php

/**
 * prime239v3
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class prime239v3 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFC', 16),
            new BigInteger('255705FA2A306654B1F4CB03D6A750A30C250102D4988717D9BA15AB6D3E', 16)
        );
        $this->setBasePoint(
            new BigInteger('6768AE8E18BB92CFCF005C949AA2C6D94853D0E660BBF854B1C9505FE95A', 16),
            new BigInteger('1607E6898F390C06BC1D552BAD226F3B6FCFE48B6E818499AF18E3ED6CF3', 16)
        );
        $this->setOrder(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFF975DEB41B3A6057C3C432146526551', 16));
    }
}
PK     ‰U]”ælœ  œ  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP224r1.phpnu „[µü¤        <?php

/**
 * brainpoolP224r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP224r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('D7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FF', 16));
        $this->setCoefficients(
            new BigInteger('68A5E62CA9CE6C1C299803A6C1530B514E182AD8B0042A59CAD29F43', 16),
            new BigInteger('2580F63CCFE44138870713B1A92369E33E2135D266DBB372386C400B', 16)
        );
        $this->setBasePoint(
            new BigInteger('0D9029AD2C7E5CF4340823B2A87DC68C9E4CE3174C1E6EFDEE12C07D', 16),
            new BigInteger('58AA56F772C0726F24C6B89E4ECDAC24354B9E99CAA3F6D3761402CD', 16)
        );
        $this->setOrder(new BigInteger('D7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F', 16));
    }
}
PK     ‰U]x‘É    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP320t1.phpnu „[µü¤        <?php

/**
 * brainpoolP320t1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP320t1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F9' .
                                        '2B9EC7893EC28FCD412B1F1B32E27', 16));
        $this->setCoefficients(
            new BigInteger('D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC28' .
                           'FCD412B1F1B32E24', 16), // eg. -3
            new BigInteger('A7F561E038EB1ED560B3D147DB782013064C19F27ED27C6780AAF77FB8A547CE' .
                           'B5B4FEF422340353', 16)
        );
        $this->setBasePoint(
            new BigInteger('925BE9FB01AFC6FB4D3E7D4990010F813408AB106C4F09CB7EE07868CC136FFF' .
                           '3357F624A21BED52', 16),
            new BigInteger('63BA3A7A27483EBF6671DBEF7ABB30EBEE084E58A0B077AD42A5A0989D1EE71B' .
                           '1B9BC0455FB0D2C3', 16)
        );
        $this->setOrder(new BigInteger('D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D4' .
                                       '82EC7EE8658E98691555B44C59311', 16));
    }
}
PK     ‰U]Ôa’W2  2  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160r1.phpnu „[µü¤        <?php

/**
 * secp160r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp160r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC', 16),
            new BigInteger('1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45', 16)
        );
        $this->setBasePoint(
            new BigInteger('4A96B5688EF573284664698968C38BB913CBFC82', 16),
            new BigInteger('23A628553168947D59DCC912042351377AC5FB32', 16)
        );
        $this->setOrder(new BigInteger('0100000000000000000001F4C8F927AED3CA752257', 16));
    }
}
PK     ‰U]D^.™À  À  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp256r1.phpnu „[µü¤        <?php

/**
 * secp256r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp256r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC', 16),
            new BigInteger('5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B', 16)
        );
        $this->setBasePoint(
            new BigInteger('6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296', 16),
            new BigInteger('4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551', 16));
    }
}
PK     ‰U]žY±Æ½  ½  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163k1.phpnu „[µü¤        <?php

/**
 * sect163k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect163k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(163, 7, 6, 3, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000001',
            '000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8',
            '0289070FB05D38FF58321F2E800536D538CCDAA3D9'
        );
        $this->setOrder(new BigInteger('04000000000000000000020108A2E0CC0D99F8A5EF', 16));
    }
}
PK     ‰U]™ß#  #  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect409r1.phpnu „[µü¤        <?php

/**
 * sect409r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect409r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(409, 87, 0);
        $this->setCoefficients(
            '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001',
            '0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F'
        );
        $this->setBasePoint(
            '015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7',
            '0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706'
        );
        $this->setOrder(new BigInteger(
            '010000000000000000000000000000000000000000000000000001E2' .
            'AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173',
            16
        ));
    }
}
PK     ‰U]ÿ.í‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp521.phpnu „[µü¤        <?php

/**
 * nistp521
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistp521 extends secp521r1
{
}
PK     ‰U]„o]ôl  l  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP192r1.phpnu „[µü¤        <?php

/**
 * brainpoolP192r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP192r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('C302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297', 16));
        $this->setCoefficients(
            new BigInteger('6A91174076B1E0E19C39C031FE8685C1CAE040E5C69A28EF', 16),
            new BigInteger('469A28EF7C28CCA3DC721D044F4496BCCA7EF4146FBF25C9', 16)
        );
        $this->setBasePoint(
            new BigInteger('C0A0647EAAB6A48753B033C56CB0F0900A2F5C4853375FD6', 16),
            new BigInteger('14B690866ABD5BB88B5F4828C1490002E6773FA2FA299B8F', 16)
        );
        $this->setOrder(new BigInteger('C302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1', 16));
    }
}
PK     ‰U]ø™Ø‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistb409.phpnu „[µü¤        <?php

/**
 * nistb409
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistb409 extends sect409r1
{
}
PK     ‰U]býqæ�  �  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp224r1.phpnu „[µü¤        <?php

/**
 * secp224r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp224r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE', 16),
            new BigInteger('B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4', 16)
        );
        $this->setBasePoint(
            new BigInteger('B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21', 16),
            new BigInteger('BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D', 16));
    }
}
PK     ‰U]{Ûe…    B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp112r2.phpnu „[µü¤        <?php

/**
 * secp112r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp112r2 extends Prime
{
    public function __construct()
    {
        // same modulo as secp112r1
        $this->setModulo(new BigInteger('DB7C2ABF62E35E668076BEAD208B', 16));
        $this->setCoefficients(
            new BigInteger('6127C24C05F38A0AAAF65C0EF02C', 16),
            new BigInteger('51DEF1815DB5ED74FCC34C85D709', 16)
        );
        $this->setBasePoint(
            new BigInteger('4BA30AB5E892B4E1649DD0928643', 16),
            new BigInteger('ADCD46F5882E3747DEF36E956E97', 16)
        );
        $this->setOrder(new BigInteger('36DF0AAFD8B8D7597CA10520D04B', 16));
    }
}
PK     ‰U]Ž²9½  ½  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163r1.phpnu „[µü¤        <?php

/**
 * sect163r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect163r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(163, 7, 6, 3, 0);
        $this->setCoefficients(
            '07B6882CAAEFA84F9554FF8428BD88E246D2782AE2',
            '0713612DCDDCB40AAB946BDA29CA91F73AF958AFD9'
        );
        $this->setBasePoint(
            '0369979697AB43897789566789567F787A7876A654',
            '00435EDB42EFAFB2989D51FEFCE3C80988F41FF883'
        );
        $this->setOrder(new BigInteger('03FFFFFFFFFFFFFFFFFFFF48AAB689C29CA710279B', 16));
    }
}
PK     ‰U]6ù6úV  V  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect283r1.phpnu „[µü¤        <?php

/**
 * sect283r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect283r1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(283, 12, 7, 5, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000000000000001',
            '027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5'
        );
        $this->setBasePoint(
            '05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053',
            '03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4'
        );
        $this->setOrder(new BigInteger('03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307', 16));
    }
}
PK     ‰U]3
    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP320r1.phpnu „[µü¤        <?php

/**
 * brainpoolP320r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP320r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F9' .
                                        '2B9EC7893EC28FCD412B1F1B32E27', 16));
        $this->setCoefficients(
            new BigInteger('3EE30B568FBAB0F883CCEBD46D3F3BB8A2A73513F5EB79DA66190EB085FFA9F4' .
                           '92F375A97D860EB4', 16),
            new BigInteger('520883949DFDBC42D3AD198640688A6FE13F41349554B49ACC31DCCD88453981' .
                           '6F5EB4AC8FB1F1A6', 16)
        );
        $this->setBasePoint(
            new BigInteger('43BD7E9AFB53D8B85289BCC48EE5BFE6F20137D10A087EB6E7871E2A10A599C7' .
                           '10AF8D0D39E20611', 16),
            new BigInteger('14FDD05545EC1CC8AB4093247F77275E0743FFED117182EAA9C77877AAAC6AC7' .
                           'D35245D1692E8EE1', 16)
        );
        $this->setOrder(new BigInteger('D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D4' .
                                       '82EC7EE8658E98691555B44C59311', 16));
    }
}
PK     ‰U]§…Ù�5  5  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect571k1.phpnu „[µü¤        <?php

/**
 * sect571k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect571k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(571, 10, 5, 2, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000000000000000' .
            '000000000000000000000000000000000000000000000000000000000000000000000000',
            '000000000000000000000000000000000000000000000000000000000000000000000000' .
            '000000000000000000000000000000000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA443709584' .
            '93B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972',
            '0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0' .
            'AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3'
        );
        $this->setOrder(new BigInteger(
            '020000000000000000000000000000000000000000000000000000000000000000000000' .
            '131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001',
            16
        ));
    }
}
PK     ‰U]\�Z    B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect233k1.phpnu „[µü¤        <?php

/**
 * sect233k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect233k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(233, 74, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000',
            '000000000000000000000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126',
            '01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3'
        );
        $this->setOrder(new BigInteger('8000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF', 16));
    }
}
PK     ‰U]IiV  V  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect283k1.phpnu „[µü¤        <?php

/**
 * sect283k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect283k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(283, 12, 7, 5, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000000000000000',
            '000000000000000000000000000000000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836',
            '01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259'
        );
        $this->setOrder(new BigInteger('01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61', 16));
    }
}
PK     ‰U]ÈŸ™d‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistt571.phpnu „[µü¤        <?php

/**
 * nistt571
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistt571 extends sect571k1
{
}
PK     ‰U]/&‡—ª  ª  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v1.phpnu „[µü¤        <?php

/**
 * prime239v1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class prime239v1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFF8000000000007FFFFFFFFFFC', 16),
            new BigInteger('6B016C3BDCF18941D0D654921475CA71A9DB2FB27D1D37796185C2942C0A', 16)
        );
        $this->setBasePoint(
            new BigInteger('0FFA963CDCA8816CCC33B8642BEDF905C3D358573D3F27FBBD3B3CB9AAAF', 16),
            new BigInteger('7DEBE8E4E90A5DAE6E4054CA530BA04654B36818CE226B39FCCB7B02F1AE', 16)
        );
        $this->setOrder(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFF7FFFFF9E5E9A9F5D9071FBD1522688909D0B', 16));
    }
}
PK     ‰U]"Rú¾  ¾  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP512r1.phpnu „[µü¤        <?php

/**
 * brainpoolP512r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class brainpoolP512r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger(
            'AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308717D4D9B009BC' .
            '66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3',
            16
        ));
        $this->setCoefficients(
            new BigInteger(
                '7830A3318B603B89E2327145AC234CC594CBDD8D3DF91610A83441CAEA9863BC2DED5D5AA82' .
                '53AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CA',
                16
            ),
            new BigInteger(
                '3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C' .
                '1AC4D77FC94CADC083E67984050B75EBAE5DD2809BD638016F723',
                16
            )
        );
        $this->setBasePoint(
            new BigInteger(
                '81AEE4BDD82ED9645A21322E9C4C6A9385ED9F70B5D916C1B43B62EEF4D0098EFF3B1F78E2D' .
                '0D48D50D1687B93B97D5F7C6D5047406A5E688B352209BCB9F822',
                16
            ),
            new BigInteger(
                '7DDE385D566332ECC0EABFA9CF7822FDF209F70024A57B1AA000C55B881F8111B2DCDE494A5' .
                'F485E5BCA4BD88A2763AED1CA2B2FA8F0540678CD1E0F3AD80892',
                16
            )
        );
        $this->setOrder(new BigInteger(
            'AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA70330870553E5C414CA' .
            '92619418661197FAC10471DB1D381085DDADDB58796829CA90069',
            16
        ));
    }
}
PK     ‰U]ù¿P©<  <  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160k1.phpnu „[µü¤        <?php

/**
 * secp160k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\KoblitzPrime;
use phpseclib3\Math\BigInteger;

class secp160k1 extends KoblitzPrime
{
    public function __construct()
    {
        // same as secp160r2
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73', 16));
        $this->setCoefficients(
            new BigInteger('0000000000000000000000000000000000000000', 16),
            new BigInteger('0000000000000000000000000000000000000007', 16)
        );
        $this->setBasePoint(
            new BigInteger('3B4C382CE37AA192A4019E763036F4F5DD4D7EBB', 16),
            new BigInteger('938CF935318FDCED6BC28286531733C3F03C4FEE', 16)
        );
        $this->setOrder(new BigInteger('0100000000000000000001B8FA16DFAB9ACA16B6B3', 16));

        $this->basis = [];
        $this->basis[] = [
            'a' => new BigInteger('0096341F1138933BC2F505', -16),
            'b' => new BigInteger('FF6E9D0418C67BB8D5F562', -16)
        ];
        $this->basis[] = [
            'a' => new BigInteger('01BDCB3A09AAAABEAFF4A8', -16),
            'b' => new BigInteger('04D12329FF0EF498EA67', -16)
        ];
        $this->beta = $this->factory->newInteger(new BigInteger('645B7345A143464942CC46D7CF4D5D1E1E6CBB68', -16));
    }
}
PK     ‰U]È³U™ã'  ã'  @  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Ed25519.phpnu „[µü¤        <?php

/**
 * Ed25519
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\Random;
use phpseclib3\Math\BigInteger;

class Ed25519 extends TwistedEdwards
{
    const HASH = 'sha512';
    /*
      Per https://tools.ietf.org/html/rfc8032#page-6 EdDSA has several parameters, one of which is b:

      2.   An integer b with 2^(b-1) > p.  EdDSA public keys have exactly b
           bits, and EdDSA signatures have exactly 2*b bits.  b is
           recommended to be a multiple of 8, so public key and signature
           lengths are an integral number of octets.

      SIZE corresponds to b
    */
    const SIZE = 32;

    public function __construct()
    {
        // 2^255 - 19
        $this->setModulo(new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFED', 16));
        $this->setCoefficients(
            // -1
            new BigInteger('7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEC', 16), // a
            // -121665/121666
            new BigInteger('52036CEE2B6FFE738CC740797779E89800700A4D4141D8AB75EB4DCA135978A3', 16)  // d
        );
        $this->setBasePoint(
            new BigInteger('216936D3CD6E53FEC0A4E231FDD6DC5C692CC7609525A7B2C9562D608F25D51A', 16),
            new BigInteger('6666666666666666666666666666666666666666666666666666666666666658', 16)
        );
        $this->setOrder(new BigInteger('1000000000000000000000000000000014DEF9DEA2F79CD65812631A5CF5D3ED', 16));
        // algorithm 14.47 from http://cacr.uwaterloo.ca/hac/about/chap14.pdf#page=16
        /*
        $this->setReduction(function($x) {
            $parts = $x->bitwise_split(255);
            $className = $this->className;

            if (count($parts) > 2) {
                list(, $r) = $x->divide($className::$modulo);
                return $r;
            }

            $zero = new BigInteger();
            $c = new BigInteger(19);

            switch (count($parts)) {
                case 2:
                    list($qi, $ri) = $parts;
                    break;
                case 1:
                    $qi = $zero;
                    list($ri) = $parts;
                    break;
                case 0:
                    return $zero;
            }
            $r = $ri;

            while ($qi->compare($zero) > 0) {
                $temp = $qi->multiply($c)->bitwise_split(255);
                if (count($temp) == 2) {
                    list($qi, $ri) = $temp;
                } else {
                    $qi = $zero;
                    list($ri) = $temp;
                }
                $r = $r->add($ri);
            }

            while ($r->compare($className::$modulo) > 0) {
                $r = $r->subtract($className::$modulo);
            }
            return $r;
        });
        */
    }

    /**
     * Recover X from Y
     *
     * Implements steps 2-4 at https://tools.ietf.org/html/rfc8032#section-5.1.3
     *
     * Used by EC\Keys\Common.php
     *
     * @param BigInteger $y
     * @param boolean $sign
     * @return object[]
     */
    public function recoverX(BigInteger $y, $sign)
    {
        $y = $this->factory->newInteger($y);

        $y2 = $y->multiply($y);
        $u = $y2->subtract($this->one);
        $v = $this->d->multiply($y2)->add($this->one);
        $x2 = $u->divide($v);
        if ($x2->equals($this->zero)) {
            if ($sign) {
                throw new \RuntimeException('Unable to recover X coordinate (x2 = 0)');
            }
            return clone $this->zero;
        }
        // find the square root
        /* we don't do $x2->squareRoot() because, quoting from
           https://tools.ietf.org/html/rfc8032#section-5.1.1:

           "For point decoding or "decompression", square roots modulo p are
            needed.  They can be computed using the Tonelli-Shanks algorithm or
            the special case for p = 5 (mod 8).  To find a square root of a,
            first compute the candidate root x = a^((p+3)/8) (mod p)."
         */
        $exp = $this->getModulo()->add(new BigInteger(3));
        $exp = $exp->bitwise_rightShift(3);
        $x = $x2->pow($exp);

        // If v x^2 = -u (mod p), set x <-- x * 2^((p-1)/4), which is a square root.
        if (!$x->multiply($x)->subtract($x2)->equals($this->zero)) {
            $temp = $this->getModulo()->subtract(new BigInteger(1));
            $temp = $temp->bitwise_rightShift(2);
            $temp = $this->two->pow($temp);
            $x = $x->multiply($temp);
            if (!$x->multiply($x)->subtract($x2)->equals($this->zero)) {
                throw new \RuntimeException('Unable to recover X coordinate');
            }
        }
        if ($x->isOdd() != $sign) {
            $x = $x->negate();
        }

        return [$x, $y];
    }

    /**
     * Extract Secret Scalar
     *
     * Implements steps 1-3 at https://tools.ietf.org/html/rfc8032#section-5.1.5
     *
     * Used by the various key handlers
     *
     * @param string $str
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function extractSecret($str)
    {
        if (strlen($str) != 32) {
            throw new \LengthException('Private Key should be 32-bytes long');
        }
        // 1.  Hash the 32-byte private key using SHA-512, storing the digest in
        //     a 64-octet large buffer, denoted h.  Only the lower 32 bytes are
        //     used for generating the public key.
        $hash = new Hash('sha512');
        $h = $hash->hash($str);
        $h = substr($h, 0, 32);
        // 2.  Prune the buffer: The lowest three bits of the first octet are
        //     cleared, the highest bit of the last octet is cleared, and the
        //     second highest bit of the last octet is set.
        $h[0] = $h[0] & chr(0xF8);
        $h = strrev($h);
        $h[0] = ($h[0] & chr(0x3F)) | chr(0x40);
        // 3.  Interpret the buffer as the little-endian integer, forming a
        //     secret scalar s.
        $dA = new BigInteger($h, 256);

        $dA->secret = $str;
        return $dA;
    }

    /**
     * Encode a point as a string
     *
     * @param array $point
     * @return string
     */
    public function encodePoint($point)
    {
        list($x, $y) = $point;
        $y = $y->toBytes();
        $y[0] = $y[0] & chr(0x7F);
        if ($x->isOdd()) {
            $y[0] = $y[0] | chr(0x80);
        }
        $y = strrev($y);

        return $y;
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function createRandomMultiplier()
    {
        return $this->extractSecret(Random::string(32));
    }

    /**
     * Converts an affine point to an extended homogeneous coordinate
     *
     * From https://tools.ietf.org/html/rfc8032#section-5.1.4 :
     *
     * A point (x,y) is represented in extended homogeneous coordinates (X, Y, Z, T),
     * with x = X/Z, y = Y/Z, x * y = T/Z.
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToInternal(array $p)
    {
        if (empty($p)) {
            return [clone $this->zero, clone $this->one, clone $this->one, clone $this->zero];
        }

        if (isset($p[2])) {
            return $p;
        }

        $p[2] = clone $this->one;
        $p[3] = $p[0]->multiply($p[1]);

        return $p;
    }

    /**
     * Doubles a point on a curve
     *
     * @return FiniteField[]
     */
    public function doublePoint(array $p)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p)) {
            return [];
        }

        if (!isset($p[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        // from https://tools.ietf.org/html/rfc8032#page-12

        list($x1, $y1, $z1, $t1) = $p;

        $a = $x1->multiply($x1);
        $b = $y1->multiply($y1);
        $c = $this->two->multiply($z1)->multiply($z1);
        $h = $a->add($b);
        $temp = $x1->add($y1);
        $e = $h->subtract($temp->multiply($temp));
        $g = $a->subtract($b);
        $f = $c->add($g);

        $x3 = $e->multiply($f);
        $y3 = $g->multiply($h);
        $t3 = $e->multiply($h);
        $z3 = $f->multiply($g);

        return [$x3, $y3, $z3, $t3];
    }

    /**
     * Adds two points on the curve
     *
     * @return FiniteField[]
     */
    public function addPoint(array $p, array $q)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p) || !count($q)) {
            if (count($q)) {
                return $q;
            }
            if (count($p)) {
                return $p;
            }
            return [];
        }

        if (!isset($p[2]) || !isset($q[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        if ($p[0]->equals($q[0])) {
            return !$p[1]->equals($q[1]) ? [] : $this->doublePoint($p);
        }

        // from https://tools.ietf.org/html/rfc8032#page-12

        list($x1, $y1, $z1, $t1) = $p;
        list($x2, $y2, $z2, $t2) = $q;

        $a = $y1->subtract($x1)->multiply($y2->subtract($x2));
        $b = $y1->add($x1)->multiply($y2->add($x2));
        $c = $t1->multiply($this->two)->multiply($this->d)->multiply($t2);
        $d = $z1->multiply($this->two)->multiply($z2);
        $e = $b->subtract($a);
        $f = $d->subtract($c);
        $g = $d->add($c);
        $h = $b->add($a);

        $x3 = $e->multiply($f);
        $y3 = $g->multiply($h);
        $t3 = $e->multiply($h);
        $z3 = $f->multiply($g);

        return [$x3, $y3, $z3, $t3];
    }
}
PK     ‰U]ÙÉÙ1    B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect239k1.phpnu „[µü¤        <?php

/**
 * sect239k1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wiggint  on <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect239k1 extends Binary
{
    public function __construct()
    {
        $this->setModulo(239, 158, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000000000000000000000000',
            '000000000000000000000000000000000000000000000000000000000001'
        );
        $this->setBasePoint(
            '29A0B6A887A983E9730988A68727A8B2D126C44CC2CC7B2A6555193035DC',
            '76310804F12E549BDB011C103089E73510ACB275FC312A5DC6B76553F0CA'
        );
        $this->setOrder(new BigInteger('2000000000000000000000000000005A79FEC67CB6E91F1C1DA800E478A5', 16));
    }
}
PK     ‰U]wwš½  ½  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163r2.phpnu „[µü¤        <?php

/**
 * sect163r2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Binary;
use phpseclib3\Math\BigInteger;

class sect163r2 extends Binary
{
    public function __construct()
    {
        $this->setModulo(163, 7, 6, 3, 0);
        $this->setCoefficients(
            '000000000000000000000000000000000000000001',
            '020A601907B8C953CA1481EB10512F78744A3205FD'
        );
        $this->setBasePoint(
            '03F0EBA16286A2D57EA0991168D4994637E8343E36',
            '00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1'
        );
        $this->setOrder(new BigInteger('040000000000000000000292FE77E70C12A4234C33', 16));
    }
}
PK     ‰U]	?.«‹  ‹  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk409.phpnu „[µü¤        <?php

/**
 * nistk409
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

final class nistk409 extends sect409k1
{
}
PK     ‰U][ãI      B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp128r1.phpnu „[µü¤        <?php

/**
 * secp128r1
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class secp128r1 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC', 16),
            new BigInteger('E87579C11079F43DD824993C2CEE5ED3', 16)
        );
        $this->setBasePoint(
            new BigInteger('161FF7528B899B2D0C28607CA52C5B86', 16),
            new BigInteger('CF5AC8395BAFEB13C02DA292DDED7A83', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFE0000000075A30D1B9038A115', 16));
    }
}
PK     ‰U]8wùb  b  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v2.phpnu „[µü¤        <?php

/**
 * prime192v2
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\Curves;

use phpseclib3\Crypt\EC\BaseCurves\Prime;
use phpseclib3\Math\BigInteger;

class prime192v2 extends Prime
{
    public function __construct()
    {
        $this->setModulo(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF', 16));
        $this->setCoefficients(
            new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC', 16),
            new BigInteger('CC22D6DFB95C6B25E49C0D6364A4E5980C393AA21668D953', 16)
        );
        $this->setBasePoint(
            new BigInteger('EEA2BAE7E1497842F2DE7769CFE9C989C072AD696F48034A', 16),
            new BigInteger('6574D11D69B6EC7A672BB82A083DF2F2B0847DE970B2DE15', 16)
        );
        $this->setOrder(new BigInteger('FFFFFFFFFFFFFFFFFFFFFFFE5FB1A724DC80418648D8DD31', 16));
    }
}
PK     ‰U]`¡JøC  C  <  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Parameters.phpnu „[µü¤        <?php

/**
 * EC Parameters
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC;

use phpseclib3\Crypt\EC;

/**
 * EC Parameters
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Parameters extends EC
{
    /**
     * Returns the parameters
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type = 'PKCS1', array $options = [])
    {
        $type = self::validatePlugin('Keys', 'PKCS1', 'saveParameters');

        return $type::saveParameters($this->curve, $options);
    }
}
PK     ‰U]!Že¹™  ™  ;  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/PublicKey.phpnu „[µü¤        <?php

/**
 * EC Public Key
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\EC;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common;
use phpseclib3\Crypt\EC;
use phpseclib3\Crypt\EC\BaseCurves\Montgomery as MontgomeryCurve;
use phpseclib3\Crypt\EC\BaseCurves\TwistedEdwards as TwistedEdwardsCurve;
use phpseclib3\Crypt\EC\Curves\Ed25519;
use phpseclib3\Crypt\EC\Formats\Keys\PKCS1;
use phpseclib3\Crypt\EC\Formats\Signature\ASN1 as ASN1Signature;
use phpseclib3\Crypt\Hash;
use phpseclib3\Exception\UnsupportedOperationException;
use phpseclib3\Math\BigInteger;

/**
 * EC Public Key
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PublicKey extends EC implements Common\PublicKey
{
    use Common\Traits\Fingerprint;

    /**
     * Verify a signature
     *
     * @see self::verify()
     * @access public
     * @param string $message
     * @param string $signature
     * @return mixed
     */
    public function verify($message, $signature)
    {
        if ($this->curve instanceof MontgomeryCurve) {
            throw new UnsupportedOperationException('Montgomery Curves cannot be used to create signatures');
        }

        $shortFormat = $this->shortFormat;
        $format = $this->sigFormat;
        if ($format === false) {
            return false;
        }

        $order = $this->curve->getOrder();

        if ($this->curve instanceof TwistedEdwardsCurve) {
            if ($shortFormat == 'SSH2') {
                list(, $signature) = Strings::unpackSSH2('ss', $signature);
            }

            if ($this->curve instanceof Ed25519 && self::$engines['libsodium'] && !isset($this->context)) {
                return sodium_crypto_sign_verify_detached($signature, $message, $this->toString('libsodium'));
            }

            $curve = $this->curve;
            if (strlen($signature) != 2 * $curve::SIZE) {
                return false;
            }

            $R = substr($signature, 0, $curve::SIZE);
            $S = substr($signature, $curve::SIZE);

            try {
                $R = PKCS1::extractPoint($R, $curve);
                $R = $this->curve->convertToInternal($R);
            } catch (\Exception $e) {
                return false;
            }

            $S = strrev($S);
            $S = new BigInteger($S, 256);

            if ($S->compare($order) >= 0) {
                return false;
            }

            $A = $curve->encodePoint($this->QA);

            if ($curve instanceof Ed25519) {
                $dom2 = !isset($this->context) ? '' :
                    'SigEd25519 no Ed25519 collisions' . "\0" . chr(strlen($this->context)) . $this->context;
            } else {
                $context = isset($this->context) ? $this->context : '';
                $dom2 = 'SigEd448' . "\0" . chr(strlen($context)) . $context;
            }

            $hash = new Hash($curve::HASH);
            $k = $hash->hash($dom2 . substr($signature, 0, $curve::SIZE) . $A . $message);
            $k = strrev($k);
            $k = new BigInteger($k, 256);
            list(, $k) = $k->divide($order);

            $qa = $curve->convertToInternal($this->QA);

            $lhs = $curve->multiplyPoint($curve->getBasePoint(), $S);
            $rhs = $curve->multiplyPoint($qa, $k);
            $rhs = $curve->addPoint($rhs, $R);
            $rhs = $curve->convertToAffine($rhs);

            return $lhs[0]->equals($rhs[0]) && $lhs[1]->equals($rhs[1]);
        }

        $params = $format::load($signature);
        if ($params === false || count($params) != 2) {
            return false;
        }
        extract($params);

        if (self::$engines['OpenSSL'] && in_array($this->hash->getHash(), openssl_get_md_methods())) {
            $sig = $format != 'ASN1' ? ASN1Signature::save($r, $s) : $signature;

            $result = openssl_verify($message, $sig, $this->toString('PKCS8', ['namedCurve' => false]), $this->hash->getHash());

            if ($result != -1) {
                return (bool) $result;
            }
        }

        $n_1 = $order->subtract(self::$one);
        if (!$r->between(self::$one, $n_1) || !$s->between(self::$one, $n_1)) {
            return false;
        }

        $e = $this->hash->hash($message);
        $e = new BigInteger($e, 256);

        $Ln = $this->hash->getLength() - $order->getLength();
        $z = $Ln > 0 ? $e->bitwise_rightShift($Ln) : $e;

        $w = $s->modInverse($order);
        list(, $u1) = $z->multiply($w)->divide($order);
        list(, $u2) = $r->multiply($w)->divide($order);

        $u1 = $this->curve->convertInteger($u1);
        $u2 = $this->curve->convertInteger($u2);

        list($x1, $y1) = $this->curve->multiplyAddPoints(
            [$this->curve->getBasePoint(), $this->QA],
            [$u1, $u2]
        );

        $x1 = $x1->toBigInteger();
        list(, $x1) = $x1->divide($order);

        return $x1->equals($r);
    }

    /**
     * Returns the public key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        $type = self::validatePlugin('Keys', $type, 'savePublicKey');

        return $type::savePublicKey($this->curve, $this->QA, $options);
    }
}
PK     ‰U]O×x  x  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Base.phpnu „[µü¤        <?php

/**
 * Curve methods common to all curves
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Math\BigInteger;

/**
 * Base
 *
 * @package Prime
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Base
{
    /**
     * Doubles
     *
     * @var object[]
     */
    protected $doubles;

    /**
     * NAF Points
     *
     * @var int[]
     */
    private $naf;

    /**
     * The Order
     *
     * @var BigInteger
     */
    protected $order;

    /**
     * Finite Field Integer factory
     *
     * @var \phpseclib3\Math\FiniteField\Integer
     */
    protected $factory;

    /**
     * Returns a random integer
     *
     * @return object
     */
    public function randomInteger()
    {
        return $this->factory->randomInteger();
    }

    /**
     * Converts a BigInteger to a \phpseclib3\Math\FiniteField\Integer integer
     *
     * @return object
     */
    public function convertInteger(BigInteger $x)
    {
        return $this->factory->newInteger($x);
    }

    /**
     * Returns the length, in bytes, of the modulo
     *
     * @return integer
     */
    public function getLengthInBytes()
    {
        return $this->factory->getLengthInBytes();
    }

    /**
     * Returns the length, in bits, of the modulo
     *
     * @return integer
     */
    public function getLength()
    {
        return $this->factory->getLength();
    }

    /**
     * Multiply a point on the curve by a scalar
     *
     * Uses the montgomery ladder technique as described here:
     *
     * https://en.wikipedia.org/wiki/Elliptic_curve_point_multiplication#Montgomery_ladder
     * https://github.com/phpecc/phpecc/issues/16#issuecomment-59176772
     *
     * @return array
     */
    public function multiplyPoint(array $p, BigInteger $d)
    {
        $alreadyInternal = isset($p[2]);
        $r = $alreadyInternal ?
            [[], $p] :
            [[], $this->convertToInternal($p)];

        $d = $d->toBits();
        for ($i = 0; $i < strlen($d); $i++) {
            $d_i = (int) $d[$i];
            $r[1 - $d_i] = $this->addPoint($r[0], $r[1]);
            $r[$d_i] = $this->doublePoint($r[$d_i]);
        }

        return $alreadyInternal ? $r[0] : $this->convertToAffine($r[0]);
    }

    /**
     * Creates a random scalar multiplier
     *
     * @return BigInteger
     */
    public function createRandomMultiplier()
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        return BigInteger::randomRange($one, $this->order->subtract($one));
    }

    /**
     * Performs range check
     */
    public function rangeCheck(BigInteger $x)
    {
        static $zero;
        if (!isset($zero)) {
            $zero = new BigInteger();
        }

        if (!isset($this->order)) {
            throw new \RuntimeException('setOrder needs to be called before this method');
        }
        if ($x->compare($this->order) > 0 || $x->compare($zero) <= 0) {
            throw new \RangeException('x must be between 1 and the order of the curve');
        }
    }

    /**
     * Sets the Order
     */
    public function setOrder(BigInteger $order)
    {
        $this->order = $order;
    }

    /**
     * Returns the Order
     *
     * @return \phpseclib3\Math\BigInteger
     */
    public function getOrder()
    {
        return $this->order;
    }

    /**
     * Use a custom defined modular reduction function
     *
     * @return object
     */
    public function setReduction(callable $func)
    {
        $this->factory->setReduction($func);
    }

    /**
     * Returns the affine point
     *
     * @return object[]
     */
    public function convertToAffine(array $p)
    {
        return $p;
    }

    /**
     * Converts an affine point to a jacobian coordinate
     *
     * @return object[]
     */
    public function convertToInternal(array $p)
    {
        return $p;
    }

    /**
     * Negates a point
     *
     * @return object[]
     */
    public function negatePoint(array $p)
    {
        $temp = [
            $p[0],
            $p[1]->negate()
        ];
        if (isset($p[2])) {
            $temp[] = $p[2];
        }
        return $temp;
    }

    /**
     * Multiply and Add Points
     *
     * @return int[]
     */
    public function multiplyAddPoints(array $points, array $scalars)
    {
        $p1 = $this->convertToInternal($points[0]);
        $p2 = $this->convertToInternal($points[1]);
        $p1 = $this->multiplyPoint($p1, $scalars[0]);
        $p2 = $this->multiplyPoint($p2, $scalars[1]);
        $r = $this->addPoint($p1, $p2);
        return $this->convertToAffine($r);
    }
}
PK     ‰U]»Uþ '   '  I  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/KoblitzPrime.phpnu „[µü¤        <?php

/**
 * Generalized Koblitz Curves over y^2 = x^3 + b.
 *
 * According to http://www.secg.org/SEC2-Ver-1.0.pdf Koblitz curves are over the GF(2**m)
 * finite field. Both the $a$ and $b$ coefficients are either 0 or 1. However, SEC2
 * generalizes the definition to include curves over GF(P) "which possess an efficiently
 * computable endomorphism".
 *
 * For these generalized Koblitz curves $b$ doesn't have to be 0 or 1. Whether or not $a$
 * has any restrictions on it is unclear, however, for all the GF(P) Koblitz curves defined
 * in SEC2 v1.0 $a$ is $0$ so all of the methods defined herein will assume that it is.
 *
 * I suppose we could rename the $b$ coefficient to $a$, however, the documentation refers
 * to $b$ so we'll just keep it.
 *
 * If a later version of SEC2 comes out wherein some $a$ values are non-zero we can create a
 * new method for those. eg. KoblitzA1Prime.php or something.
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Math\BigInteger;
use phpseclib3\Math\PrimeField;

/**
 * Curves over y^2 = x^3 + b
 *
 * @package KoblitzPrime
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class KoblitzPrime extends Prime
{
    // don't overwrite setCoefficients() with one that only accepts one parameter so that
    // one might be able to switch between KoblitzPrime and Prime more easily (for benchmarking
    // purposes).

    /**
     * Multiply and Add Points
     *
     * Uses a efficiently computable endomorphism to achieve a slight speedup
     *
     * Adapted from https://git.io/vxbrP
     *
     * @return int[]
     */
    public function multiplyAddPoints(array $points, array $scalars)
    {
        static $zero, $one, $two;
        if (!isset($two)) {
            $two = new BigInteger(2);
            $one = new BigInteger(1);
        }

        if (!isset($this->beta)) {
            // get roots
            $inv = $this->one->divide($this->two)->negate();
            $s = $this->three->negate()->squareRoot()->multiply($inv);
            $betas = [
                $inv->add($s),
                $inv->subtract($s)
            ];
            $this->beta = $betas[0]->compare($betas[1]) < 0 ? $betas[0] : $betas[1];
            //echo strtoupper($this->beta->toHex(true)) . "\n"; exit;
        }

        if (!isset($this->basis)) {
            $factory = new PrimeField($this->order);
            $tempOne = $factory->newInteger($one);
            $tempTwo = $factory->newInteger($two);
            $tempThree = $factory->newInteger(new BigInteger(3));

            $inv = $tempOne->divide($tempTwo)->negate();
            $s = $tempThree->negate()->squareRoot()->multiply($inv);

            $lambdas = [
                $inv->add($s),
                $inv->subtract($s)
            ];

            $lhs = $this->multiplyPoint($this->p, $lambdas[0])[0];
            $rhs = $this->p[0]->multiply($this->beta);
            $lambda = $lhs->equals($rhs) ? $lambdas[0] : $lambdas[1];

            $this->basis = static::extendedGCD($lambda->toBigInteger(), $this->order);
            ///*
            foreach ($this->basis as $basis) {
                echo strtoupper($basis['a']->toHex(true)) . "\n";
                echo strtoupper($basis['b']->toHex(true)) . "\n\n";
            }
            exit;
            //*/
        }

        $npoints = $nscalars = [];
        for ($i = 0; $i < count($points); $i++) {
            $p = $points[$i];
            $k = $scalars[$i]->toBigInteger();

            // begin split
            list($v1, $v2) = $this->basis;

            $c1 = $v2['b']->multiply($k);
            list($c1, $r) = $c1->divide($this->order);
            if ($this->order->compare($r->multiply($two)) <= 0) {
                $c1 = $c1->add($one);
            }

            $c2 = $v1['b']->negate()->multiply($k);
            list($c2, $r) = $c2->divide($this->order);
            if ($this->order->compare($r->multiply($two)) <= 0) {
                $c2 = $c2->add($one);
            }

            $p1 = $c1->multiply($v1['a']);
            $p2 = $c2->multiply($v2['a']);
            $q1 = $c1->multiply($v1['b']);
            $q2 = $c2->multiply($v2['b']);

            $k1 = $k->subtract($p1)->subtract($p2);
            $k2 = $q1->add($q2)->negate();
            // end split

            $beta = [
                $p[0]->multiply($this->beta),
                $p[1],
                clone $this->one
            ];

            if (isset($p['naf'])) {
                $beta['naf'] = array_map(function ($p) {
                    return [
                        $p[0]->multiply($this->beta),
                        $p[1],
                        clone $this->one
                    ];
                }, $p['naf']);
                $beta['nafwidth'] = $p['nafwidth'];
            }

            if ($k1->isNegative()) {
                $k1 = $k1->negate();
                $p = $this->negatePoint($p);
            }

            if ($k2->isNegative()) {
                $k2 = $k2->negate();
                $beta = $this->negatePoint($beta);
            }

            $pos = 2 * $i;
            $npoints[$pos] = $p;
            $nscalars[$pos] = $this->factory->newInteger($k1);

            $pos++;
            $npoints[$pos] = $beta;
            $nscalars[$pos] = $this->factory->newInteger($k2);
        }

        return parent::multiplyAddPoints($npoints, $nscalars);
    }

    /**
     * Returns the numerator and denominator of the slope
     *
     * @return FiniteField[]
     */
    protected function doublePointHelper(array $p)
    {
        $numerator = $this->three->multiply($p[0])->multiply($p[0]);
        $denominator = $this->two->multiply($p[1]);
        return [$numerator, $denominator];
    }

    /**
     * Doubles a jacobian coordinate on the curve
     *
     * See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#doubling-dbl-2009-l
     *
     * @return FiniteField[]
     */
    protected function jacobianDoublePoint(array $p)
    {
        list($x1, $y1, $z1) = $p;
        $a = $x1->multiply($x1);
        $b = $y1->multiply($y1);
        $c = $b->multiply($b);
        $d = $x1->add($b);
        $d = $d->multiply($d)->subtract($a)->subtract($c)->multiply($this->two);
        $e = $this->three->multiply($a);
        $f = $e->multiply($e);
        $x3 = $f->subtract($this->two->multiply($d));
        $y3 = $e->multiply($d->subtract($x3))->subtract(
            $this->eight->multiply($c)
        );
        $z3 = $this->two->multiply($y1)->multiply($z1);
        return [$x3, $y3, $z3];
    }

    /**
     * Doubles a "fresh" jacobian coordinate on the curve
     *
     * See http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#doubling-mdbl-2007-bl
     *
     * @return FiniteField[]
     */
    protected function jacobianDoublePointMixed(array $p)
    {
        list($x1, $y1) = $p;
        $xx = $x1->multiply($x1);
        $yy = $y1->multiply($y1);
        $yyyy = $yy->multiply($yy);
        $s = $x1->add($yy);
        $s = $s->multiply($s)->subtract($xx)->subtract($yyyy)->multiply($this->two);
        $m = $this->three->multiply($xx);
        $t = $m->multiply($m)->subtract($this->two->multiply($s));
        $x3 = $t;
        $y3 = $s->subtract($t);
        $y3 = $m->multiply($y3)->subtract($this->eight->multiply($yyyy));
        $z3 = $this->two->multiply($y1);
        return [$x3, $y3, $z3];
    }

    /**
     * Tests whether or not the x / y values satisfy the equation
     *
     * @return boolean
     */
    public function verifyPoint(array $p)
    {
        list($x, $y) = $p;
        $lhs = $y->multiply($y);
        $temp = $x->multiply($x)->multiply($x);
        $rhs = $temp->add($this->b);

        return $lhs->equals($rhs);
    }

    /**
     * Calculates the parameters needed from the Euclidean algorithm as discussed at
     * http://diamond.boisestate.edu/~liljanab/MATH308/GuideToECC.pdf#page=148
     *
     * @param BigInteger $u
     * @param BigInteger $v
     * @return BigInteger[]
     */
    protected static function extendedGCD(BigInteger $u, BigInteger $v)
    {
        $one = new BigInteger(1);
        $zero = new BigInteger();

        $a = clone $one;
        $b = clone $zero;
        $c = clone $zero;
        $d = clone $one;

        $stop = $v->bitwise_rightShift($v->getLength() >> 1);

        $a1 = clone $zero;
        $b1 = clone $zero;
        $a2 = clone $zero;
        $b2 = clone $zero;

        $postGreatestIndex = 0;

        while (!$v->equals($zero)) {
            list($q) = $u->divide($v);

            $temp = $u;
            $u = $v;
            $v = $temp->subtract($v->multiply($q));

            $temp = $a;
            $a = $c;
            $c = $temp->subtract($a->multiply($q));

            $temp = $b;
            $b = $d;
            $d = $temp->subtract($b->multiply($q));

            if ($v->compare($stop) > 0) {
                $a0 = $v;
                $b0 = $c;
            } else {
                $postGreatestIndex++;
            }

            if ($postGreatestIndex == 1) {
                $a1 = $v;
                $b1 = $c->negate();
            }

            if ($postGreatestIndex == 2) {
                $rhs = $a0->multiply($a0)->add($b0->multiply($b0));
                $lhs = $v->multiply($v)->add($b->multiply($b));
                if ($lhs->compare($rhs) <= 0) {
                    $a2 = $a0;
                    $b2 = $b0->negate();
                } else {
                    $a2 = $v;
                    $b2 = $c->negate();
                }

                break;
            }
        }

        return [
            ['a' => $a1, 'b' => $b1],
            ['a' => $a2, 'b' => $b2]
        ];
    }
}
PK     ‰U]�Ê/:—&  —&  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Binary.phpnu „[µü¤        <?php

/**
 * Curves over y^2 + x*y = x^3 + a*x^2 + b
 *
 * These are curves used in SEC 2 over prime fields: http://www.secg.org/SEC2-Ver-1.0.pdf
 * The curve is a weierstrass curve with a[3] and a[2] set to 0.
 *
 * Uses Jacobian Coordinates for speed if able:
 *
 * https://en.wikipedia.org/wiki/Jacobian_curve
 * https://en.wikibooks.org/wiki/Cryptography/Prime_Curve/Jacobian_Coordinates
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Math\BigInteger;
use phpseclib3\Math\BinaryField;
use phpseclib3\Math\BinaryField\Integer as BinaryInteger;

/**
 * Curves over y^2 + x*y = x^3 + a*x^2 + b
 *
 * @package Binary
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Binary extends Base
{
    /**
     * Binary Field Integer factory
     *
     * @var \phpseclib3\Math\BinaryField
     */
    protected $factory;

    /**
     * Cofficient for x^1
     *
     * @var object
     */
    protected $a;

    /**
     * Cofficient for x^0
     *
     * @var object
     */
    protected $b;

    /**
     * Base Point
     *
     * @var object
     */
    protected $p;

    /**
     * The number one over the specified finite field
     *
     * @var object
     */
    protected $one;

    /**
     * The modulo
     *
     * @var BigInteger
     */
    protected $modulo;

    /**
     * The Order
     *
     * @var BigInteger
     */
    protected $order;

    /**
     * Sets the modulo
     */
    public function setModulo(...$modulo)
    {
        $this->modulo = $modulo;
        $this->factory = new BinaryField(...$modulo);

        $this->one = $this->factory->newInteger("\1");
    }

    /**
     * Set coefficients a and b
     *
     * @param string $a
     * @param string $b
     */
    public function setCoefficients($a, $b)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->a = $this->factory->newInteger(pack('H*', $a));
        $this->b = $this->factory->newInteger(pack('H*', $b));
    }

    /**
     * Set x and y coordinates for the base point
     *
     * @param string|BinaryInteger $x
     * @param string|BinaryInteger $y
     */
    public function setBasePoint($x, $y)
    {
        switch (true) {
            case !is_string($x) && !$x instanceof BinaryInteger:
                throw new \UnexpectedValueException('Argument 1 passed to Binary::setBasePoint() must be a string or an instance of BinaryField\Integer');
            case !is_string($y) && !$y instanceof BinaryInteger:
                throw new \UnexpectedValueException('Argument 2 passed to Binary::setBasePoint() must be a string or an instance of BinaryField\Integer');
        }
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->p = [
            is_string($x) ? $this->factory->newInteger(pack('H*', $x)) : $x,
            is_string($y) ? $this->factory->newInteger(pack('H*', $y)) : $y
        ];
    }

    /**
     * Retrieve the base point as an array
     *
     * @return array
     */
    public function getBasePoint()
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        /*
        if (!isset($this->p)) {
            throw new \RuntimeException('setBasePoint needs to be called before this method');
        }
        */
        return $this->p;
    }

    /**
     * Adds two points on the curve
     *
     * @return FiniteField[]
     */
    public function addPoint(array $p, array $q)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p) || !count($q)) {
            if (count($q)) {
                return $q;
            }
            if (count($p)) {
                return $p;
            }
            return [];
        }

        if (!isset($p[2]) || !isset($q[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        if ($p[0]->equals($q[0])) {
            return !$p[1]->equals($q[1]) ? [] : $this->doublePoint($p);
        }

        // formulas from http://hyperelliptic.org/EFD/g12o/auto-shortw-jacobian.html

        list($x1, $y1, $z1) = $p;
        list($x2, $y2, $z2) = $q;

        $o1 = $z1->multiply($z1);
        $b = $x2->multiply($o1);

        if ($z2->equals($this->one)) {
            $d = $y2->multiply($o1)->multiply($z1);
            $e = $x1->add($b);
            $f = $y1->add($d);
            $z3 = $e->multiply($z1);
            $h = $f->multiply($x2)->add($z3->multiply($y2));
            $i = $f->add($z3);
            $g = $z3->multiply($z3);
            $p1 = $this->a->multiply($g);
            $p2 = $f->multiply($i);
            $p3 = $e->multiply($e)->multiply($e);
            $x3 = $p1->add($p2)->add($p3);
            $y3 = $i->multiply($x3)->add($g->multiply($h));

            return [$x3, $y3, $z3];
        }

        $o2 = $z2->multiply($z2);
        $a = $x1->multiply($o2);
        $c = $y1->multiply($o2)->multiply($z2);
        $d = $y2->multiply($o1)->multiply($z1);
        $e = $a->add($b);
        $f = $c->add($d);
        $g = $e->multiply($z1);
        $h = $f->multiply($x2)->add($g->multiply($y2));
        $z3 = $g->multiply($z2);
        $i = $f->add($z3);
        $p1 = $this->a->multiply($z3->multiply($z3));
        $p2 = $f->multiply($i);
        $p3 = $e->multiply($e)->multiply($e);
        $x3 = $p1->add($p2)->add($p3);
        $y3 = $i->multiply($x3)->add($g->multiply($g)->multiply($h));

        return [$x3, $y3, $z3];
    }

    /**
     * Doubles a point on a curve
     *
     * @return FiniteField[]
     */
    public function doublePoint(array $p)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p)) {
            return [];
        }

        if (!isset($p[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to "Jacobi" coordinates or vice versa');
        }

        // formulas from http://hyperelliptic.org/EFD/g12o/auto-shortw-jacobian.html

        list($x1, $y1, $z1) = $p;

        $a = $x1->multiply($x1);
        $b = $a->multiply($a);

        if ($z1->equals($this->one)) {
            $x3 = $b->add($this->b);
            $z3 = clone $x1;
            $p1 = $a->add($y1)->add($z3)->multiply($this->b);
            $p2 = $a->add($y1)->multiply($b);
            $y3 = $p1->add($p2);

            return [$x3, $y3, $z3];
        }

        $c = $z1->multiply($z1);
        $d = $c->multiply($c);
        $x3 = $b->add($this->b->multiply($d->multiply($d)));
        $z3 = $x1->multiply($c);
        $p1 = $b->multiply($z3);
        $p2 = $a->add($y1->multiply($z1))->add($z3)->multiply($x3);
        $y3 = $p1->add($p2);

        return [$x3, $y3, $z3];
    }

    /**
     * Returns the X coordinate and the derived Y coordinate
     *
     * Not supported because it is covered by patents.
     * Quoting https://www.openssl.org/docs/man1.1.0/apps/ecparam.html ,
     *
     * "Due to patent issues the compressed option is disabled by default for binary curves
     *  and can be enabled by defining the preprocessor macro OPENSSL_EC_BIN_PT_COMP at
     *  compile time."
     *
     * @return array
     */
    public function derivePoint($m)
    {
        throw new \RuntimeException('Point compression on binary finite field elliptic curves is not supported');
    }

    /**
     * Tests whether or not the x / y values satisfy the equation
     *
     * @return boolean
     */
    public function verifyPoint(array $p)
    {
        list($x, $y) = $p;
        $lhs = $y->multiply($y);
        $lhs = $lhs->add($x->multiply($y));
        $x2 = $x->multiply($x);
        $x3 = $x2->multiply($x);
        $rhs = $x3->add($this->a->multiply($x2))->add($this->b);

        return $lhs->equals($rhs);
    }

    /**
     * Returns the modulo
     *
     * @return \phpseclib3\Math\BigInteger
     */
    public function getModulo()
    {
        return $this->modulo;
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getA()
    {
        return $this->a;
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getB()
    {
        return $this->b;
    }

    /**
     * Returns the affine point
     *
     * A Jacobian Coordinate is of the form (x, y, z).
     * To convert a Jacobian Coordinate to an Affine Point
     * you do (x / z^2, y / z^3)
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToAffine(array $p)
    {
        if (!isset($p[2])) {
            return $p;
        }
        list($x, $y, $z) = $p;
        $z = $this->one->divide($z);
        $z2 = $z->multiply($z);
        return [
            $x->multiply($z2),
            $y->multiply($z2)->multiply($z)
        ];
    }

    /**
     * Converts an affine point to a jacobian coordinate
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToInternal(array $p)
    {
        if (isset($p[2])) {
            return $p;
        }

        $p[2] = clone $this->one;
        $p['fresh'] = true;
        return $p;
    }
}
PK      ‰U]|Í^?S  ?S  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Prime.phpnu „[µü¤        <?php

/**
 * Curves over y^2 = x^3 + a*x + b
 *
 * These are curves used in SEC 2 over prime fields: http://www.secg.org/SEC2-Ver-1.0.pdf
 * The curve is a weierstrass curve with a[1], a[3] and a[2] set to 0.
 *
 * Uses Jacobian Coordinates for speed if able:
 *
 * https://en.wikipedia.org/wiki/Jacobian_curve
 * https://en.wikibooks.org/wiki/Cryptography/Prime_Curve/Jacobian_Coordinates
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\Common\FiniteField\Integer;
use phpseclib3\Math\PrimeField;
use phpseclib3\Math\PrimeField\Integer as PrimeInteger;

/**
 * Curves over y^2 = x^3 + a*x + b
 *
 * @package Prime
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Prime extends Base
{
    /**
     * Prime Field Integer factory
     *
     * @var \phpseclib3\Math\PrimeFields
     */
    protected $factory;

    /**
     * Cofficient for x^1
     *
     * @var object
     */
    protected $a;

    /**
     * Cofficient for x^0
     *
     * @var object
     */
    protected $b;

    /**
     * Base Point
     *
     * @var object
     */
    protected $p;

    /**
     * The number one over the specified finite field
     *
     * @var object
     */
    protected $one;

    /**
     * The number two over the specified finite field
     *
     * @var object
     */
    protected $two;

    /**
     * The number three over the specified finite field
     *
     * @var object
     */
    protected $three;

    /**
     * The number four over the specified finite field
     *
     * @var object
     */
    protected $four;

    /**
     * The number eight over the specified finite field
     *
     * @var object
     */
    protected $eight;

    /**
     * The modulo
     *
     * @var BigInteger
     */
    protected $modulo;

    /**
     * The Order
     *
     * @var BigInteger
     */
    protected $order;

    /**
     * Sets the modulo
     */
    public function setModulo(BigInteger $modulo)
    {
        $this->modulo = $modulo;
        $this->factory = new PrimeField($modulo);
        $this->two = $this->factory->newInteger(new BigInteger(2));
        $this->three = $this->factory->newInteger(new BigInteger(3));
        // used by jacobian coordinates
        $this->one = $this->factory->newInteger(new BigInteger(1));
        $this->four = $this->factory->newInteger(new BigInteger(4));
        $this->eight = $this->factory->newInteger(new BigInteger(8));
    }

    /**
     * Set coefficients a and b
     */
    public function setCoefficients(BigInteger $a, BigInteger $b)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->a = $this->factory->newInteger($a);
        $this->b = $this->factory->newInteger($b);
    }

    /**
     * Set x and y coordinates for the base point
     *
     * @param BigInteger|PrimeInteger $x
     * @param BigInteger|PrimeInteger $y
     * @return PrimeInteger[]
     */
    public function setBasePoint($x, $y)
    {
        switch (true) {
            case !$x instanceof BigInteger && !$x instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 1 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
            case !$y instanceof BigInteger && !$y instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 2 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
        }
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->p = [
            $x instanceof BigInteger ? $this->factory->newInteger($x) : $x,
            $y instanceof BigInteger ? $this->factory->newInteger($y) : $y
        ];
    }

    /**
     * Retrieve the base point as an array
     *
     * @return array
     */
    public function getBasePoint()
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        /*
        if (!isset($this->p)) {
            throw new \RuntimeException('setBasePoint needs to be called before this method');
        }
        */
        return $this->p;
    }

    /**
     * Adds two "fresh" jacobian form on the curve
     *
     * @return FiniteField[]
     */
    protected function jacobianAddPointMixedXY(array $p, array $q)
    {
        list($u1, $s1) = $p;
        list($u2, $s2) = $q;
        if ($u1->equals($u2)) {
            if (!$s1->equals($s2)) {
                return [];
            } else {
                return $this->doublePoint($p);
            }
        }
        $h = $u2->subtract($u1);
        $r = $s2->subtract($s1);
        $h2 = $h->multiply($h);
        $h3 = $h2->multiply($h);
        $v = $u1->multiply($h2);
        $x3 = $r->multiply($r)->subtract($h3)->subtract($v->multiply($this->two));
        $y3 = $r->multiply(
            $v->subtract($x3)
        )->subtract(
            $s1->multiply($h3)
        );
        return [$x3, $y3, $h];
    }

    /**
     * Adds one "fresh" jacobian form on the curve
     *
     * The second parameter should be the "fresh" one
     *
     * @return FiniteField[]
     */
    protected function jacobianAddPointMixedX(array $p, array $q)
    {
        list($u1, $s1, $z1) = $p;
        list($x2, $y2) = $q;

        $z12 = $z1->multiply($z1);

        $u2 = $x2->multiply($z12);
        $s2 = $y2->multiply($z12->multiply($z1));
        if ($u1->equals($u2)) {
            if (!$s1->equals($s2)) {
                return [];
            } else {
                return $this->doublePoint($p);
            }
        }
        $h = $u2->subtract($u1);
        $r = $s2->subtract($s1);
        $h2 = $h->multiply($h);
        $h3 = $h2->multiply($h);
        $v = $u1->multiply($h2);
        $x3 = $r->multiply($r)->subtract($h3)->subtract($v->multiply($this->two));
        $y3 = $r->multiply(
            $v->subtract($x3)
        )->subtract(
            $s1->multiply($h3)
        );
        $z3 = $h->multiply($z1);
        return [$x3, $y3, $z3];
    }

    /**
     * Adds two jacobian coordinates on the curve
     *
     * @return FiniteField[]
     */
    protected function jacobianAddPoint(array $p, array $q)
    {
        list($x1, $y1, $z1) = $p;
        list($x2, $y2, $z2) = $q;

        $z12 = $z1->multiply($z1);
        $z22 = $z2->multiply($z2);

        $u1 = $x1->multiply($z22);
        $u2 = $x2->multiply($z12);
        $s1 = $y1->multiply($z22->multiply($z2));
        $s2 = $y2->multiply($z12->multiply($z1));
        if ($u1->equals($u2)) {
            if (!$s1->equals($s2)) {
                return [];
            } else {
                return $this->doublePoint($p);
            }
        }
        $h = $u2->subtract($u1);
        $r = $s2->subtract($s1);
        $h2 = $h->multiply($h);
        $h3 = $h2->multiply($h);
        $v = $u1->multiply($h2);
        $x3 = $r->multiply($r)->subtract($h3)->subtract($v->multiply($this->two));
        $y3 = $r->multiply(
            $v->subtract($x3)
        )->subtract(
            $s1->multiply($h3)
        );
        $z3 = $h->multiply($z1)->multiply($z2);
        return [$x3, $y3, $z3];
    }

    /**
     * Adds two points on the curve
     *
     * @return FiniteField[]
     */
    public function addPoint(array $p, array $q)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p) || !count($q)) {
            if (count($q)) {
                return $q;
            }
            if (count($p)) {
                return $p;
            }
            return [];
        }

        // use jacobian coordinates
        if (isset($p[2]) && isset($q[2])) {
            if (isset($p['fresh']) && isset($q['fresh'])) {
                return $this->jacobianAddPointMixedXY($p, $q);
            }
            if (isset($p['fresh'])) {
                return $this->jacobianAddPointMixedX($q, $p);
            }
            if (isset($q['fresh'])) {
                return $this->jacobianAddPointMixedX($p, $q);
            }
            return $this->jacobianAddPoint($p, $q);
        }

        if (isset($p[2]) || isset($q[2])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to Jacobi coordinates or vice versa');
        }

        if ($p[0]->equals($q[0])) {
            if (!$p[1]->equals($q[1])) {
                return [];
            } else { // eg. doublePoint
                list($numerator, $denominator) = $this->doublePointHelper($p);
            }
        } else {
            $numerator = $q[1]->subtract($p[1]);
            $denominator = $q[0]->subtract($p[0]);
        }
        $slope = $numerator->divide($denominator);
        $x = $slope->multiply($slope)->subtract($p[0])->subtract($q[0]);
        $y = $slope->multiply($p[0]->subtract($x))->subtract($p[1]);

        return [$x, $y];
    }

    /**
     * Returns the numerator and denominator of the slope
     *
     * @return FiniteField[]
     */
    protected function doublePointHelper(array $p)
    {
        $numerator = $this->three->multiply($p[0])->multiply($p[0])->add($this->a);
        $denominator = $this->two->multiply($p[1]);
        return [$numerator, $denominator];
    }

    /**
     * Doubles a jacobian coordinate on the curve
     *
     * @return FiniteField[]
     */
    protected function jacobianDoublePoint(array $p)
    {
        list($x, $y, $z) = $p;
        $x2 = $x->multiply($x);
        $y2 = $y->multiply($y);
        $z2 = $z->multiply($z);
        $s = $this->four->multiply($x)->multiply($y2);
        $m1 = $this->three->multiply($x2);
        $m2 = $this->a->multiply($z2->multiply($z2));
        $m = $m1->add($m2);
        $x1 = $m->multiply($m)->subtract($this->two->multiply($s));
        $y1 = $m->multiply($s->subtract($x1))->subtract(
            $this->eight->multiply($y2->multiply($y2))
        );
        $z1 = $this->two->multiply($y)->multiply($z);
        return [$x1, $y1, $z1];
    }

    /**
     * Doubles a "fresh" jacobian coordinate on the curve
     *
     * @return FiniteField[]
     */
    protected function jacobianDoublePointMixed(array $p)
    {
        list($x, $y) = $p;
        $x2 = $x->multiply($x);
        $y2 = $y->multiply($y);
        $s = $this->four->multiply($x)->multiply($y2);
        $m1 = $this->three->multiply($x2);
        $m = $m1->add($this->a);
        $x1 = $m->multiply($m)->subtract($this->two->multiply($s));
        $y1 = $m->multiply($s->subtract($x1))->subtract(
            $this->eight->multiply($y2->multiply($y2))
        );
        $z1 = $this->two->multiply($y);
        return [$x1, $y1, $z1];
    }

    /**
     * Doubles a point on a curve
     *
     * @return FiniteField[]
     */
    public function doublePoint(array $p)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p)) {
            return [];
        }

        // use jacobian coordinates
        if (isset($p[2])) {
            if (isset($p['fresh'])) {
                return $this->jacobianDoublePointMixed($p);
            }
            return $this->jacobianDoublePoint($p);
        }

        list($numerator, $denominator) = $this->doublePointHelper($p);

        $slope = $numerator->divide($denominator);

        $x = $slope->multiply($slope)->subtract($p[0])->subtract($p[0]);
        $y = $slope->multiply($p[0]->subtract($x))->subtract($p[1]);

        return [$x, $y];
    }

    /**
     * Returns the X coordinate and the derived Y coordinate
     *
     * @return array
     */
    public function derivePoint($m)
    {
        $y = ord(Strings::shift($m));
        $x = new BigInteger($m, 256);
        $xp = $this->convertInteger($x);
        switch ($y) {
            case 2:
                $ypn = false;
                break;
            case 3:
                $ypn = true;
                break;
            default:
                throw new \RuntimeException('Coordinate not in recognized format');
        }
        $temp = $xp->multiply($this->a);
        $temp = $xp->multiply($xp)->multiply($xp)->add($temp);
        $temp = $temp->add($this->b);
        $b = $temp->squareRoot();
        if (!$b) {
            throw new \RuntimeException('Unable to derive Y coordinate');
        }
        $bn = $b->isOdd();
        $yp = $ypn == $bn ? $b : $b->negate();
        return [$xp, $yp];
    }

    /**
     * Tests whether or not the x / y values satisfy the equation
     *
     * @return boolean
     */
    public function verifyPoint(array $p)
    {
        list($x, $y) = $p;
        $lhs = $y->multiply($y);
        $temp = $x->multiply($this->a);
        $temp = $x->multiply($x)->multiply($x)->add($temp);
        $rhs = $temp->add($this->b);

        return $lhs->equals($rhs);
    }

    /**
     * Returns the modulo
     *
     * @return \phpseclib3\Math\BigInteger
     */
    public function getModulo()
    {
        return $this->modulo;
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getA()
    {
        return $this->a;
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getB()
    {
        return $this->b;
    }

    /**
     * Multiply and Add Points
     *
     * Adapted from https://git.io/vxPUH
     *
     * @return int[]
     */
    public function multiplyAddPoints(array $points, array $scalars)
    {
        $length = count($points);

        foreach ($points as &$point) {
            $point = $this->convertToInternal($point);
        }

        $wnd = [$this->getNAFPoints($points[0], 7)];
        $wndWidth = [isset($points[0]['nafwidth']) ? $points[0]['nafwidth'] : 7];
        for ($i = 1; $i < $length; $i++) {
            $wnd[] = $this->getNAFPoints($points[$i], 1);
            $wndWidth[] = isset($points[$i]['nafwidth']) ? $points[$i]['nafwidth'] : 1;
        }

        $naf = [];

        // comb all window NAFs

        $max = 0;
        for ($i = $length - 1; $i >= 1; $i -= 2) {
            $a = $i - 1;
            $b = $i;
            if ($wndWidth[$a] != 1 || $wndWidth[$b] != 1) {
                $naf[$a] = $scalars[$a]->getNAF($wndWidth[$a]);
                $naf[$b] = $scalars[$b]->getNAF($wndWidth[$b]);
                $max = max(count($naf[$a]), count($naf[$b]), $max);
                continue;
            }

            $comb = [
                $points[$a], // 1
                null,        // 3
                null,        // 5
                $points[$b]  // 7
            ];

            $comb[1] = $this->addPoint($points[$a], $points[$b]);
            $comb[2] = $this->addPoint($points[$a], $this->negatePoint($points[$b]));

            $index = [
                -3, /* -1 -1 */
                -1, /* -1  0 */
                -5, /* -1  1 */
                -7, /*  0 -1 */
                 0, /*  0 -1 */
                 7, /*  0  1 */
                 5, /*  1 -1 */
                 1, /*  1  0 */
                 3  /*  1  1 */
            ];

            $jsf = self::getJSFPoints($scalars[$a], $scalars[$b]);

            $max = max(count($jsf[0]), $max);
            if ($max > 0) {
                $naf[$a] = array_fill(0, $max, 0);
                $naf[$b] = array_fill(0, $max, 0);
            } else {
                $naf[$a] = [];
                $naf[$b] = [];
            }

            for ($j = 0; $j < $max; $j++) {
                $ja = isset($jsf[0][$j]) ? $jsf[0][$j] : 0;
                $jb = isset($jsf[1][$j]) ? $jsf[1][$j] : 0;

                $naf[$a][$j] = $index[3 * ($ja + 1) + $jb + 1];
                $naf[$b][$j] = 0;
                $wnd[$a] = $comb;
            }
        }

        $acc = [];
        $temp = [0, 0, 0, 0];
        for ($i = $max; $i >= 0; $i--) {
            $k = 0;
            while ($i >= 0) {
                $zero = true;
                for ($j = 0; $j < $length; $j++) {
                    $temp[$j] = isset($naf[$j][$i]) ? $naf[$j][$i] : 0;
                    if ($temp[$j] != 0) {
                        $zero = false;
                    }
                }
                if (!$zero) {
                    break;
                }
                $k++;
                $i--;
            }

            if ($i >= 0) {
                $k++;
            }
            while ($k--) {
                $acc = $this->doublePoint($acc);
            }

            if ($i < 0) {
                break;
            }

            for ($j = 0; $j < $length; $j++) {
                $z = $temp[$j];
                $p = null;
                if ($z == 0) {
                    continue;
                }
                $p = $z > 0 ?
                    $wnd[$j][($z - 1) >> 1] :
                    $this->negatePoint($wnd[$j][(-$z - 1) >> 1]);
                $acc = $this->addPoint($acc, $p);
            }
        }

        return $this->convertToAffine($acc);
    }

    /**
     * Precomputes NAF points
     *
     * Adapted from https://git.io/vxY1f
     *
     * @return int[]
     */
    private function getNAFPoints($point, $wnd)
    {
        if (isset($point['naf'])) {
            return $point['naf'];
        }

        $res = [$point];
        $max = (1 << $wnd) - 1;
        $dbl = $max == 1 ? null : $this->doublePoint($point);
        for ($i = 1; $i < $max; $i++) {
            $res[] = $this->addPoint($res[$i - 1], $dbl);
        }

        $point['naf'] = $res;

        /*
        $str = '';
        foreach ($res as $re) {
            $re[0] = bin2hex($re[0]->toBytes());
            $re[1] = bin2hex($re[1]->toBytes());
            $str.= "            ['$re[0]', '$re[1]'],\r\n";
        }
        file_put_contents('temp.txt', $str);
        exit;
        */

        return $res;
    }

    /**
     * Precomputes points in Joint Sparse Form
     *
     * Adapted from https://git.io/vxrpD
     *
     * @return int[]
     */
    private static function getJSFPoints(Integer $k1, Integer $k2)
    {
        static $three;
        if (!isset($three)) {
            $three = new BigInteger(3);
        }

        $jsf = [[], []];
        $k1 = $k1->toBigInteger();
        $k2 = $k2->toBigInteger();
        $d1 = 0;
        $d2 = 0;

        while ($k1->compare(new BigInteger(-$d1)) > 0 || $k2->compare(new BigInteger(-$d2)) > 0) {
            // first phase
            $m14 = $k1->testBit(0) + 2 * $k1->testBit(1);
            $m14 += $d1;
            $m14 &= 3;

            $m24 = $k2->testBit(0) + 2 * $k2->testBit(1);
            $m24 += $d2;
            $m24 &= 3;

            if ($m14 == 3) {
                $m14 = -1;
            }
            if ($m24 == 3) {
                $m24 = -1;
            }

            $u1 = 0;
            if ($m14 & 1) { // if $m14 is odd
                $m8 = $k1->testBit(0) + 2 * $k1->testBit(1) + 4 * $k1->testBit(2);
                $m8 += $d1;
                $m8 &= 7;
                $u1 = ($m8 == 3 || $m8 == 5) && $m24 == 2 ? -$m14 : $m14;
            }
            $jsf[0][] = $u1;

            $u2 = 0;
            if ($m24 & 1) { // if $m24 is odd
                $m8 = $k2->testBit(0) + 2 * $k2->testBit(1) + 4 * $k2->testBit(2);
                $m8 += $d2;
                $m8 &= 7;
                $u2 = ($m8 == 3 || $m8 == 5) && $m14 == 2 ? -$m24 : $m24;
            }
            $jsf[1][] = $u2;

            // second phase
            if (2 * $d1 == $u1 + 1) {
                $d1 = 1 - $d1;
            }
            if (2 * $d2 == $u2 + 1) {
                $d2 = 1 - $d2;
            }
            $k1 = $k1->bitwise_rightShift(1);
            $k2 = $k2->bitwise_rightShift(1);
        }

        return $jsf;
    }

    /**
     * Returns the affine point
     *
     * A Jacobian Coordinate is of the form (x, y, z).
     * To convert a Jacobian Coordinate to an Affine Point
     * you do (x / z^2, y / z^3)
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToAffine(array $p)
    {
        if (!isset($p[2])) {
            return $p;
        }
        list($x, $y, $z) = $p;
        $z = $this->one->divide($z);
        $z2 = $z->multiply($z);
        return [
            $x->multiply($z2),
            $y->multiply($z2)->multiply($z)
        ];
    }

    /**
     * Converts an affine point to a jacobian coordinate
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToInternal(array $p)
    {
        if (isset($p[2])) {
            return $p;
        }

        $p[2] = clone $this->one;
        $p['fresh'] = true;
        return $p;
    }
}
PK     "‰U]e”A³    G  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Montgomery.phpnu „[µü¤        <?php

/**
 * Curves over y^2 = x^3 + a*x + x
 *
 * Technically, a Montgomery curve has a coefficient for y^2 but for Curve25519 and Curve448 that
 * coefficient is 1.
 *
 * Curve25519 and Curve448 do not make use of the y coordinate, which makes it unsuitable for use
 * with ECDSA / EdDSA. A few other differences between Curve25519 and Ed25519 are discussed at
 * https://crypto.stackexchange.com/a/43058/4520
 *
 * More info:
 *
 * https://en.wikipedia.org/wiki/Montgomery_curve
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Crypt\EC\Curves\Curve25519;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\PrimeField;
use phpseclib3\Math\PrimeField\Integer as PrimeInteger;

/**
 * Curves over y^2 = x^3 + a*x + x
 *
 * @package EC
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Montgomery extends Base
{
    /**
     * Prime Field Integer factory
     *
     * @var \phpseclib3\Math\PrimeField
     */
    protected $factory;

    /**
     * Cofficient for x
     *
     * @var object
     */
    protected $a;

    /**
     * Constant used for point doubling
     *
     * @var object
     */
    protected $a24;

    /**
     * The Number Zero
     *
     * @var object
     */
    protected $zero;

    /**
     * The Number One
     *
     * @var object
     */
    protected $one;

    /**
     * Base Point
     *
     * @var object
     */
    protected $p;

    /**
     * The modulo
     *
     * @var BigInteger
     */
    protected $modulo;

    /**
     * The Order
     *
     * @var BigInteger
     */
    protected $order;

    /**
     * Sets the modulo
     */
    public function setModulo(BigInteger $modulo)
    {
        $this->modulo = $modulo;
        $this->factory = new PrimeField($modulo);
        $this->zero = $this->factory->newInteger(new BigInteger());
        $this->one = $this->factory->newInteger(new BigInteger(1));
    }

    /**
     * Set coefficients a
     */
    public function setCoefficients(BigInteger $a)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->a = $this->factory->newInteger($a);
        $two = $this->factory->newInteger(new BigInteger(2));
        $four = $this->factory->newInteger(new BigInteger(4));
        $this->a24 = $this->a->subtract($two)->divide($four);
    }

    /**
     * Set x and y coordinates for the base point
     *
     * @param BigInteger|PrimeInteger $x
     * @param BigInteger|PrimeInteger $y
     * @return PrimeInteger[]
     */
    public function setBasePoint($x, $y)
    {
        switch (true) {
            case !$x instanceof BigInteger && !$x instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 1 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
            case !$y instanceof BigInteger && !$y instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 2 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
        }
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->p = [
            $x instanceof BigInteger ? $this->factory->newInteger($x) : $x,
            $y instanceof BigInteger ? $this->factory->newInteger($y) : $y
        ];
    }

    /**
     * Retrieve the base point as an array
     *
     * @return array
     */
    public function getBasePoint()
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        /*
        if (!isset($this->p)) {
            throw new \RuntimeException('setBasePoint needs to be called before this method');
        }
        */
        return $this->p;
    }

    /**
     * Doubles and adds a point on a curve
     *
     * See https://tools.ietf.org/html/draft-ietf-tls-curve25519-01#appendix-A.1.3
     *
     * @return FiniteField[][]
     */
    private function doubleAndAddPoint(array $p, array $q, PrimeInteger $x1)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }

        if (!count($p) || !count($q)) {
            return [];
        }

        if (!isset($p[1])) {
            throw new \RuntimeException('Affine coordinates need to be manually converted to XZ coordinates');
        }

        list($x2, $z2) = $p;
        list($x3, $z3) = $q;

        $a = $x2->add($z2);
        $aa = $a->multiply($a);
        $b = $x2->subtract($z2);
        $bb = $b->multiply($b);
        $e = $aa->subtract($bb);
        $c = $x3->add($z3);
        $d = $x3->subtract($z3);
        $da = $d->multiply($a);
        $cb = $c->multiply($b);
        $temp = $da->add($cb);
        $x5 = $temp->multiply($temp);
        $temp = $da->subtract($cb);
        $z5 = $x1->multiply($temp->multiply($temp));
        $x4 = $aa->multiply($bb);
        $temp = static::class == Curve25519::class ? $bb : $aa;
        $z4 = $e->multiply($temp->add($this->a24->multiply($e)));

        return [
            [$x4, $z4],
            [$x5, $z5]
        ];
    }

    /**
     * Multiply a point on the curve by a scalar
     *
     * Uses the montgomery ladder technique as described here:
     *
     * https://en.wikipedia.org/wiki/Elliptic_curve_point_multiplication#Montgomery_ladder
     * https://github.com/phpecc/phpecc/issues/16#issuecomment-59176772
     *
     * @return array
     */
    public function multiplyPoint(array $p, BigInteger $d)
    {
        $p1 = [$this->one, $this->zero];
        $alreadyInternal = isset($x[1]);
        $p2 = $this->convertToInternal($p);
        $x = $p[0];

        $b = $d->toBits();
        $b = str_pad($b, 256, '0', STR_PAD_LEFT);
        for ($i = 0; $i < strlen($b); $i++) {
            $b_i = (int) $b[$i];
            if ($b_i) {
                list($p2, $p1) = $this->doubleAndAddPoint($p2, $p1, $x);
            } else {
                list($p1, $p2) = $this->doubleAndAddPoint($p1, $p2, $x);
            }
        }

        return $alreadyInternal ? $p1 : $this->convertToAffine($p1);
    }

    /**
     * Converts an affine point to an XZ coordinate
     *
     * From https://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html
     *
     * XZ coordinates represent x y as X Z satsfying the following equations:
     *
     *   x=X/Z
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToInternal(array $p)
    {
        if (empty($p)) {
            return [clone $this->zero, clone $this->one];
        }

        if (isset($p[1])) {
            return $p;
        }

        $p[1] = clone $this->one;

        return $p;
    }

    /**
     * Returns the affine point
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToAffine(array $p)
    {
        if (!isset($p[1])) {
            return $p;
        }
        list($x, $z) = $p;
        return [$x->divide($z)];
    }
}
PK     #‰U]jáM¾  ¾  K  vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/TwistedEdwards.phpnu „[µü¤        <?php

/**
 * Curves over a*x^2 + y^2 = 1 + d*x^2*y^2
 *
 * http://www.secg.org/SEC2-Ver-1.0.pdf provides for curves with custom parameters.
 * ie. the coefficients can be arbitrary set through specially formatted keys, etc.
 * As such, Prime.php is built very generically and it's not able to take full
 * advantage of curves with 0 coefficients to produce simplified point doubling,
 * point addition. Twisted Edwards curves, in contrast, do not have a way, currently,
 * to customize them. As such, we can omit the super generic stuff from this class
 * and let the named curves (Ed25519 and Ed448) define their own custom tailored
 * point addition and point doubling methods.
 *
 * More info:
 *
 * https://en.wikipedia.org/wiki/Twisted_Edwards_curve
 *
 * PHP version 5 and 7
 *
 * @category  Crypt
 * @package   EC
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Crypt\EC\BaseCurves;

use phpseclib3\Math\BigInteger;
use phpseclib3\Math\PrimeField;
use phpseclib3\Math\PrimeField\Integer as PrimeInteger;

/**
 * Curves over a*x^2 + y^2 = 1 + d*x^2*y^2
 *
 * @package Prime
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class TwistedEdwards extends Base
{
    /**
     * The modulo
     *
     * @var BigInteger
     */
    protected $modulo;

    /**
     * Cofficient for x^2
     *
     * @var object
     */
    protected $a;

    /**
     * Cofficient for x^2*y^2
     *
     * @var object
     */
    protected $d;

    /**
     * Base Point
     *
     * @var object[]
     */
    protected $p;

    /**
     * The number zero over the specified finite field
     *
     * @var object
     */
    protected $zero;

    /**
     * The number one over the specified finite field
     *
     * @var object
     */
    protected $one;

    /**
     * The number two over the specified finite field
     *
     * @var object
     */
    protected $two;

    /**
     * Sets the modulo
     */
    public function setModulo(BigInteger $modulo)
    {
        $this->modulo = $modulo;
        $this->factory = new PrimeField($modulo);
        $this->zero = $this->factory->newInteger(new BigInteger(0));
        $this->one = $this->factory->newInteger(new BigInteger(1));
        $this->two = $this->factory->newInteger(new BigInteger(2));
    }

    /**
     * Set coefficients a and b
     */
    public function setCoefficients(BigInteger $a, BigInteger $d)
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->a = $this->factory->newInteger($a);
        $this->d = $this->factory->newInteger($d);
    }

    /**
     * Set x and y coordinates for the base point
     */
    public function setBasePoint($x, $y)
    {
        switch (true) {
            case !$x instanceof BigInteger && !$x instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 1 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
            case !$y instanceof BigInteger && !$y instanceof PrimeInteger:
                throw new \UnexpectedValueException('Argument 2 passed to Prime::setBasePoint() must be an instance of either BigInteger or PrimeField\Integer');
        }
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        $this->p = [
            $x instanceof BigInteger ? $this->factory->newInteger($x) : $x,
            $y instanceof BigInteger ? $this->factory->newInteger($y) : $y
        ];
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getA()
    {
        return $this->a;
    }

    /**
     * Returns the a coefficient
     *
     * @return \phpseclib3\Math\PrimeField\Integer
     */
    public function getD()
    {
        return $this->d;
    }

    /**
     * Retrieve the base point as an array
     *
     * @return array
     */
    public function getBasePoint()
    {
        if (!isset($this->factory)) {
            throw new \RuntimeException('setModulo needs to be called before this method');
        }
        /*
        if (!isset($this->p)) {
            throw new \RuntimeException('setBasePoint needs to be called before this method');
        }
        */
        return $this->p;
    }

    /**
     * Returns the affine point
     *
     * @return \phpseclib3\Math\PrimeField\Integer[]
     */
    public function convertToAffine(array $p)
    {
        if (!isset($p[2])) {
            return $p;
        }
        list($x, $y, $z) = $p;
        $z = $this->one->divide($z);
        return [
            $x->multiply($z),
            $y->multiply($z)
        ];
    }

    /**
     * Returns the modulo
     *
     * @return \phpseclib3\Math\BigInteger
     */
    public function getModulo()
    {
        return $this->modulo;
    }

    /**
     * Tests whether or not the x / y values satisfy the equation
     *
     * @return boolean
     */
    public function verifyPoint(array $p)
    {
        list($x, $y) = $p;
        $x2 = $x->multiply($x);
        $y2 = $y->multiply($y);

        $lhs = $this->a->multiply($x2)->add($y2);
        $rhs = $this->d->multiply($x2)->multiply($y2)->add($this->one);

        return $lhs->equals($rhs);
    }
}
PK     $‰U]Æd–y-~  -~  7  vendor/phpseclib/phpseclib/phpseclib/Crypt/ChaCha20.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of ChaCha20.
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   ChaCha20
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2019 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Exception\BadDecryptionException;
use phpseclib3\Exception\InsufficientSetupException;

/**
 * Pure-PHP implementation of ChaCha20.
 *
 * @package ChaCha20
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class ChaCha20 extends Salsa20
{
    /**
     * The OpenSSL specific name of the cipher
     *
     * @var string
     */
    protected $cipher_name_openssl = 'chacha20';

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        switch ($engine) {
            case self::ENGINE_LIBSODIUM:
                // PHP 7.2.0 (30 Nov 2017) added support for libsodium

                // we could probably make it so that if $this->counter == 0 then the first block would be done with either OpenSSL
                // or PHP and then subsequent blocks would then be done with libsodium but idk - it's not a high priority atm

                // we could also make it so that if $this->counter == 0 and $this->continuousBuffer then do the first string
                // with libsodium and subsequent strings with openssl or pure-PHP but again not a high priority
                return function_exists('sodium_crypto_aead_chacha20poly1305_ietf_encrypt') &&
                       $this->key_length == 32 &&
                       (($this->usePoly1305 && !isset($this->poly1305Key) && $this->counter == 0) || $this->counter == 1) &&
                       !$this->continuousBuffer;
            case self::ENGINE_OPENSSL:
                // OpenSSL 1.1.0 (released 25 Aug 2016) added support for chacha20.
                // PHP didn't support OpenSSL 1.1.0 until 7.0.19 (11 May 2017)

                // if you attempt to provide openssl with a 128 bit key (as opposed to a 256 bit key) openssl will null
                // pad the key to 256 bits and still use the expansion constant for 256-bit keys. the fact that
                // openssl treats the IV as both the counter and nonce, however, let's us use openssl in continuous mode
                // whereas libsodium does not
                if ($this->key_length != 32) {
                    return false;
                }
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Encrypts a message.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @see self::crypt()
     * @param string $plaintext
     * @return string $ciphertext
     */
    public function encrypt($plaintext)
    {
        $this->setup();

        if ($this->engine == self::ENGINE_LIBSODIUM) {
            return $this->encrypt_with_libsodium($plaintext);
        }

        return parent::encrypt($plaintext);
    }

    /**
     * Decrypts a message.
     *
     * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)).
     * At least if the continuous buffer is disabled.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see self::crypt()
     * @param string $ciphertext
     * @return string $plaintext
     */
    public function decrypt($ciphertext)
    {
        $this->setup();

        if ($this->engine == self::ENGINE_LIBSODIUM) {
            return $this->decrypt_with_libsodium($ciphertext);
        }

        return parent::decrypt($ciphertext);
    }

    /**
     * Encrypts a message with libsodium
     *
     * @see self::encrypt()
     * @param string $plaintext
     * @return string $text
     */
    private function encrypt_with_libsodium($plaintext)
    {
        $params = [$plaintext, $this->aad, $this->nonce, $this->key];
        $ciphertext = strlen($this->nonce) == 8 ?
            sodium_crypto_aead_chacha20poly1305_encrypt(...$params) :
            sodium_crypto_aead_chacha20poly1305_ietf_encrypt(...$params);
        if (!$this->usePoly1305) {
            return substr($ciphertext, 0, strlen($plaintext));
        }

        $newciphertext = substr($ciphertext, 0, strlen($plaintext));

        $this->newtag = $this->usingGeneratedPoly1305Key && strlen($this->nonce) == 12 ?
            substr($ciphertext, strlen($plaintext)) :
            $this->poly1305($newciphertext);

        return $newciphertext;
    }

    /**
     * Decrypts a message with libsodium
     *
     * @see self::decrypt()
     * @param string $ciphertext
     * @return string $text
     */
    private function decrypt_with_libsodium($ciphertext)
    {
        $params = [$ciphertext, $this->aad, $this->nonce, $this->key];

        if (isset($this->poly1305Key)) {
            if ($this->oldtag === false) {
                throw new InsufficientSetupException('Authentication Tag has not been set');
            }
            if ($this->usingGeneratedPoly1305Key && strlen($this->nonce) == 12) {
                $plaintext = sodium_crypto_aead_chacha20poly1305_ietf_decrypt(...$params);
                $this->oldtag = false;
                if ($plaintext === false) {
                    throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match');
                }
                return $plaintext;
            }
            $newtag = $this->poly1305($ciphertext);
            if ($this->oldtag != substr($newtag, 0, strlen($this->oldtag))) {
                $this->oldtag = false;
                throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match');
            }
            $this->oldtag = false;
        }

        $plaintext = strlen($this->nonce) == 8 ?
            sodium_crypto_aead_chacha20poly1305_encrypt(...$params) :
            sodium_crypto_aead_chacha20poly1305_ietf_encrypt(...$params);

        return substr($plaintext, 0, strlen($ciphertext));
    }

    /**
     * Sets the nonce.
     *
     * @param string $nonce
     */
    public function setNonce($nonce)
    {
        if (!is_string($nonce)) {
            throw new \UnexpectedValueException('The nonce should be a string');
        }

        /*
          from https://tools.ietf.org/html/rfc7539#page-7

          "Note also that the original ChaCha had a 64-bit nonce and 64-bit
           block count.  We have modified this here to be more consistent with
           recommendations in Section 3.2 of [RFC5116]."
         */
        switch (strlen($nonce)) {
            case 8:  // 64 bits
            case 12: // 96 bits
                break;
            default:
                throw new \LengthException('Nonce of size ' . strlen($nonce) . ' not supported by this algorithm. Only 64-bit nonces or 96-bit nonces are supported');
        }

        $this->nonce = $nonce;
        $this->changed = true;
        $this->setEngine();
    }

    /**
     * Setup the self::ENGINE_INTERNAL $engine
     *
     * (re)init, if necessary, the internal cipher $engine
     *
     * _setup() will be called each time if $changed === true
     * typically this happens when using one or more of following public methods:
     *
     * - setKey()
     *
     * - setNonce()
     *
     * - First run of encrypt() / decrypt() with no init-settings
     *
     * @see self::setKey()
     * @see self::setNonce()
     * @see self::disableContinuousBuffer()
     */
    protected function setup()
    {
        if (!$this->changed) {
            return;
        }

        $this->enbuffer = $this->debuffer = ['ciphertext' => '', 'counter' => $this->counter];

        $this->changed = $this->nonIVChanged = false;

        if ($this->nonce === false) {
            throw new InsufficientSetupException('No nonce has been defined');
        }

        if ($this->key === false) {
            throw new InsufficientSetupException('No key has been defined');
        }

        if ($this->usePoly1305 && !isset($this->poly1305Key)) {
            $this->usingGeneratedPoly1305Key = true;
            if ($this->engine == self::ENGINE_LIBSODIUM) {
                return;
            }
            $this->createPoly1305Key();
        }

        $key = $this->key;
        if (strlen($key) == 16) {
            $constant = 'expand 16-byte k';
            $key .= $key;
        } else {
            $constant = 'expand 32-byte k';
        }

        $this->p1 = $constant . $key;
        $this->p2 = $this->nonce;
        if (strlen($this->nonce) == 8) {
            $this->p2 = "\0\0\0\0" . $this->p2;
        }
    }

    /**
     * The quarterround function
     *
     * @param int $a
     * @param int $b
     * @param int $c
     * @param int $d
     */
    protected static function quarterRound(&$a, &$b, &$c, &$d)
    {
        // in https://datatracker.ietf.org/doc/html/rfc7539#section-2.1 the addition,
        // xor'ing and rotation are all on the same line so i'm keeping it on the same
        // line here as well
        // @codingStandardsIgnoreStart
        $a+= $b; $d = self::leftRotate($d ^ $a, 16);
        $c+= $d; $b = self::leftRotate($b ^ $c, 12);
        $a+= $b; $d = self::leftRotate($d ^ $a, 8);
        $c+= $d; $b = self::leftRotate($b ^ $c, 7);
        // @codingStandardsIgnoreEnd
    }

    /**
     * The doubleround function
     *
     * @param int $x0 (by reference)
     * @param int $x1 (by reference)
     * @param int $x2 (by reference)
     * @param int $x3 (by reference)
     * @param int $x4 (by reference)
     * @param int $x5 (by reference)
     * @param int $x6 (by reference)
     * @param int $x7 (by reference)
     * @param int $x8 (by reference)
     * @param int $x9 (by reference)
     * @param int $x10 (by reference)
     * @param int $x11 (by reference)
     * @param int $x12 (by reference)
     * @param int $x13 (by reference)
     * @param int $x14 (by reference)
     * @param int $x15 (by reference)
     */
    protected static function doubleRound(&$x0, &$x1, &$x2, &$x3, &$x4, &$x5, &$x6, &$x7, &$x8, &$x9, &$x10, &$x11, &$x12, &$x13, &$x14, &$x15)
    {
        // columnRound
        static::quarterRound($x0, $x4, $x8, $x12);
        static::quarterRound($x1, $x5, $x9, $x13);
        static::quarterRound($x2, $x6, $x10, $x14);
        static::quarterRound($x3, $x7, $x11, $x15);
        // rowRound
        static::quarterRound($x0, $x5, $x10, $x15);
        static::quarterRound($x1, $x6, $x11, $x12);
        static::quarterRound($x2, $x7, $x8, $x13);
        static::quarterRound($x3, $x4, $x9, $x14);
    }

    /**
     * The Salsa20 hash function function
     *
     * On my laptop this loop unrolled / function dereferenced version of parent::salsa20 encrypts 1mb of text in
     * 0.65s vs the 0.85s that it takes with the parent method.
     *
     * If we were free to assume that the host OS would always be 64-bits then the if condition in leftRotate could
     * be eliminated and we could knock this done to 0.60s.
     *
     * For comparison purposes, RC4 takes 0.16s and AES in CTR mode with the Eval engine takes 0.48s.
     * AES in CTR mode with the PHP engine takes 1.19s. Salsa20 / ChaCha20 do not benefit as much from the Eval
     * approach due to the fact that there are a lot less variables to de-reference, fewer loops to unroll, etc
     *
     * @param string $x
     */
    protected static function salsa20($x)
    {
        list(, $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15) = unpack('V*', $x);
        $z0 = $x0;
        $z1 = $x1;
        $z2 = $x2;
        $z3 = $x3;
        $z4 = $x4;
        $z5 = $x5;
        $z6 = $x6;
        $z7 = $x7;
        $z8 = $x8;
        $z9 = $x9;
        $z10 = $x10;
        $z11 = $x11;
        $z12 = $x12;
        $z13 = $x13;
        $z14 = $x14;
        $z15 = $x15;

        // @codingStandardsIgnoreStart
        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);

        // columnRound
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 16);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 12);
        $x0+= $x4; $x12 = self::leftRotate($x12 ^ $x0, 8);
        $x8+= $x12; $x4 = self::leftRotate($x4 ^ $x8, 7);

        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 16);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 12);
        $x1+= $x5; $x13 = self::leftRotate($x13 ^ $x1, 8);
        $x9+= $x13; $x5 = self::leftRotate($x5 ^ $x9, 7);

        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 16);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 12);
        $x2+= $x6; $x14 = self::leftRotate($x14 ^ $x2, 8);
        $x10+= $x14; $x6 = self::leftRotate($x6 ^ $x10, 7);

        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 16);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 12);
        $x3+= $x7; $x15 = self::leftRotate($x15 ^ $x3, 8);
        $x11+= $x15; $x7 = self::leftRotate($x7 ^ $x11, 7);

        // rowRound
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 16);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 12);
        $x0+= $x5; $x15 = self::leftRotate($x15 ^ $x0, 8);
        $x10+= $x15; $x5 = self::leftRotate($x5 ^ $x10, 7);

        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 16);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 12);
        $x1+= $x6; $x12 = self::leftRotate($x12 ^ $x1, 8);
        $x11+= $x12; $x6 = self::leftRotate($x6 ^ $x11, 7);

        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 16);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 12);
        $x2+= $x7; $x13 = self::leftRotate($x13 ^ $x2, 8);
        $x8+= $x13; $x7 = self::leftRotate($x7 ^ $x8, 7);

        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 16);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 12);
        $x3+= $x4; $x14 = self::leftRotate($x14 ^ $x3, 8);
        $x9+= $x14; $x4 = self::leftRotate($x4 ^ $x9, 7);
        // @codingStandardsIgnoreEnd

        $x0 += $z0;
        $x1 += $z1;
        $x2 += $z2;
        $x3 += $z3;
        $x4 += $z4;
        $x5 += $z5;
        $x6 += $z6;
        $x7 += $z7;
        $x8 += $z8;
        $x9 += $z9;
        $x10 += $z10;
        $x11 += $z11;
        $x12 += $z12;
        $x13 += $z13;
        $x14 += $z14;
        $x15 += $z15;

        return pack('V*', $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15);
    }
}
PK     &‰U]¼©1ÀŸ6  Ÿ6  8  vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of Triple DES.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.  Operates in the EDE3 mode (encrypt-decrypt-encrypt).
 *
 * PHP version 5
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $des = new \phpseclib3\Crypt\TripleDES('ctr');
 *
 *    $des->setKey('abcdefghijklmnopqrstuvwx');
 *
 *    $size = 10 * 1024;
 *    $plaintext = '';
 *    for ($i = 0; $i < $size; $i++) {
 *        $plaintext.= 'a';
 *    }
 *
 *    echo $des->decrypt($des->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   TripleDES
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

/**
 * Pure-PHP implementation of Triple DES.
 *
 * @package TripleDES
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class TripleDES extends DES
{
    /**
     * Encrypt / decrypt using inner chaining
     *
     * Inner chaining is used by SSH-1 and is generally considered to be less secure then outer chaining (self::MODE_CBC3).
     */
    const MODE_3CBC = -2;

    /**
     * Encrypt / decrypt using outer chaining
     *
     * Outer chaining is used by SSH-2 and when the mode is set to \phpseclib3\Crypt\Common\BlockCipher::MODE_CBC.
     */
    const MODE_CBC3 = self::MODE_CBC;

    /**
     * Key Length (in bytes)
     *
     * @see \phpseclib3\Crypt\TripleDES::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 24;

    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\DES::cipher_name_mcrypt
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'tripledes';

    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 750;

    /**
     * max possible size of $key
     *
     * @see self::setKey()
     * @see \phpseclib3\Crypt\DES::setKey()
     * @var string
     * @access private
     */
    protected $key_length_max = 24;

    /**
     * Internal flag whether using self::MODE_3CBC or not
     *
     * @var bool
     * @access private
     */
    private $mode_3cbc;

    /**
     * The \phpseclib3\Crypt\DES objects
     *
     * Used only if $mode_3cbc === true
     *
     * @var array
     * @access private
     */
    private $des;

    /**
     * Default Constructor.
     *
     * Determines whether or not the mcrypt or OpenSSL extensions should be used.
     *
     * $mode could be:
     *
     * - ecb
     *
     * - cbc
     *
     * - ctr
     *
     * - cfb
     *
     * - ofb
     *
     * - 3cbc
     *
     * - cbc3 (same as cbc)
     *
     * @see \phpseclib3\Crypt\DES::__construct()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param string $mode
     * @access public
     */
    public function __construct($mode)
    {
        switch (strtolower($mode)) {
            // In case of self::MODE_3CBC, we init as CRYPT_DES_MODE_CBC
            // and additional flag us internally as 3CBC
            case '3cbc':
                parent::__construct('cbc');
                $this->mode_3cbc = true;

                // This three $des'es will do the 3CBC work (if $key > 64bits)
                $this->des = [
                    new DES('cbc'),
                    new DES('cbc'),
                    new DES('cbc'),
                ];

                // we're going to be doing the padding, ourselves, so disable it in the \phpseclib3\Crypt\DES objects
                $this->des[0]->disablePadding();
                $this->des[1]->disablePadding();
                $this->des[2]->disablePadding();
                break;
            case 'cbc3':
                $mode = 'cbc';
                // fall-through
            // If not 3CBC, we init as usual
            default:
                parent::__construct($mode);

                if ($this->mode == self::MODE_STREAM) {
                    throw new BadModeException('Block ciphers cannot be ran in stream mode');
                }
        }
    }

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        if ($engine == self::ENGINE_OPENSSL) {
            $this->cipher_name_openssl_ecb = 'des-ede3';
            $mode = $this->openssl_translate_mode();
            $this->cipher_name_openssl = $mode == 'ecb' ? 'des-ede3' : 'des-ede3-' . $mode;
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Sets the initialization vector.
     *
     * SetIV is not required when \phpseclib3\Crypt\Common\SymmetricKey::MODE_ECB is being used.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setIV()
     * @access public
     * @param string $iv
     */
    public function setIV($iv)
    {
        parent::setIV($iv);
        if ($this->mode_3cbc) {
            $this->des[0]->setIV($iv);
            $this->des[1]->setIV($iv);
            $this->des[2]->setIV($iv);
        }
    }

    /**
     * Sets the key length.
     *
     * Valid key lengths are 128 and 192 bits.
     *
     * If you want to use a 64-bit key use DES.php
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey:setKeyLength()
     * @access public
     * @throws \LengthException if the key length is invalid
     * @param int $length
     */
    public function setKeyLength($length)
    {
        switch ($length) {
            case 128:
            case 192:
                break;
            default:
                throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes 128 or 192 bits are supported');
        }

        parent::setKeyLength($length);
    }

    /**
     * Sets the key.
     *
     * Triple DES can use 128-bit (eg. strlen($key) == 16) or 192-bit (eg. strlen($key) == 24) keys.
     *
     * DES also requires that every eighth bit be a parity bit, however, we'll ignore that.
     *
     * @access public
     * @see \phpseclib3\Crypt\DES::setKey()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setKey()
     * @throws \LengthException if the key length is invalid
     * @param string $key
     */
    public function setKey($key)
    {
        if ($this->explicit_key_length !== false && strlen($key) != $this->explicit_key_length) {
            throw new \LengthException('Key length has already been set to ' . $this->explicit_key_length . ' bytes and this key is ' . strlen($key) . ' bytes');
        }

        switch (strlen($key)) {
            case 16:
                $key .= substr($key, 0, 8);
                break;
            case 24:
                break;
            default:
                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16 or 24 are supported');
        }

        // copied from self::setKey()
        $this->key = $key;
        $this->key_length = strlen($key);
        $this->changed = $this->nonIVChanged = true;
        $this->setEngine();

        if ($this->mode_3cbc) {
            $this->des[0]->setKey(substr($key, 0, 8));
            $this->des[1]->setKey(substr($key, 8, 8));
            $this->des[2]->setKey(substr($key, 16, 8));
        }
    }

    /**
     * Encrypts a message.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @access public
     * @param string $plaintext
     * @return string $cipertext
     */
    public function encrypt($plaintext)
    {
        // parent::en/decrypt() is able to do all the work for all modes and keylengths,
        // except for: self::MODE_3CBC (inner chaining CBC) with a key > 64bits

        // if the key is smaller then 8, do what we'd normally do
        if ($this->mode_3cbc && strlen($this->key) > 8) {
            return $this->des[2]->encrypt(
                $this->des[1]->decrypt(
                    $this->des[0]->encrypt(
                        $this->pad($plaintext)
                    )
                )
            );
        }

        return parent::encrypt($plaintext);
    }

    /**
     * Decrypts a message.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @access public
     * @param string $ciphertext
     * @return string $plaintext
     */
    public function decrypt($ciphertext)
    {
        if ($this->mode_3cbc && strlen($this->key) > 8) {
            return $this->unpad(
                $this->des[0]->decrypt(
                    $this->des[1]->encrypt(
                        $this->des[2]->decrypt(
                            str_pad($ciphertext, (strlen($ciphertext) + 7) & 0xFFFFFFF8, "\0")
                        )
                    )
                )
            );
        }

        return parent::decrypt($ciphertext);
    }

    /**
     * Treat consecutive "packets" as if they are a continuous buffer.
     *
     * Say you have a 16-byte plaintext $plaintext.  Using the default behavior, the two following code snippets
     * will yield different outputs:
     *
     * <code>
     *    echo $des->encrypt(substr($plaintext, 0, 8));
     *    echo $des->encrypt(substr($plaintext, 8, 8));
     * </code>
     * <code>
     *    echo $des->encrypt($plaintext);
     * </code>
     *
     * The solution is to enable the continuous buffer.  Although this will resolve the above discrepancy, it creates
     * another, as demonstrated with the following:
     *
     * <code>
     *    $des->encrypt(substr($plaintext, 0, 8));
     *    echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8)));
     * </code>
     * <code>
     *    echo $des->decrypt($des->encrypt(substr($plaintext, 8, 8)));
     * </code>
     *
     * With the continuous buffer disabled, these would yield the same output.  With it enabled, they yield different
     * outputs.  The reason is due to the fact that the initialization vector's change after every encryption /
     * decryption round when the continuous buffer is enabled.  When it's disabled, they remain constant.
     *
     * Put another way, when the continuous buffer is enabled, the state of the \phpseclib3\Crypt\DES() object changes after each
     * encryption / decryption round, whereas otherwise, it'd remain constant.  For this reason, it's recommended that
     * continuous buffers not be used.  They do offer better security and are, in fact, sometimes required (SSH uses them),
     * however, they are also less intuitive and more likely to cause you problems.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::enableContinuousBuffer()
     * @see self::disableContinuousBuffer()
     * @access public
     */
    public function enableContinuousBuffer()
    {
        parent::enableContinuousBuffer();
        if ($this->mode_3cbc) {
            $this->des[0]->enableContinuousBuffer();
            $this->des[1]->enableContinuousBuffer();
            $this->des[2]->enableContinuousBuffer();
        }
    }

    /**
     * Treat consecutive packets as if they are a discontinuous buffer.
     *
     * The default behavior.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::disableContinuousBuffer()
     * @see self::enableContinuousBuffer()
     * @access public
     */
    public function disableContinuousBuffer()
    {
        parent::disableContinuousBuffer();
        if ($this->mode_3cbc) {
            $this->des[0]->disableContinuousBuffer();
            $this->des[1]->disableContinuousBuffer();
            $this->des[2]->disableContinuousBuffer();
        }
    }

    /**
     * Creates the key schedule
     *
     * @see \phpseclib3\Crypt\DES::setupKey()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupKey()
     * @access private
     */
    protected function setupKey()
    {
        switch (true) {
            // if $key <= 64bits we configure our internal pure-php cipher engine
            // to act as regular [1]DES, not as 3DES. mcrypt.so::tripledes does the same.
            case strlen($this->key) <= 8:
                $this->des_rounds = 1;
                break;

            // otherwise, if $key > 64bits, we configure our engine to work as 3DES.
            default:
                $this->des_rounds = 3;

                // (only) if 3CBC is used we have, of course, to setup the $des[0-2] keys also separately.
                if ($this->mode_3cbc) {
                    $this->des[0]->setupKey();
                    $this->des[1]->setupKey();
                    $this->des[2]->setupKey();

                    // because $des[0-2] will, now, do all the work we can return here
                    // not need unnecessary stress parent::setupKey() with our, now unused, $key.
                    return;
                }
        }
        // setup our key
        parent::setupKey();
    }

    /**
     * Sets the internal crypt engine
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setPreferredEngine()
     * @param int $engine
     * @access public
     */
    public function setPreferredEngine($engine)
    {
        if ($this->mode_3cbc) {
            $this->des[0]->setPreferredEngine($engine);
            $this->des[1]->setPreferredEngine($engine);
            $this->des[2]->setPreferredEngine($engine);
        }

        parent::setPreferredEngine($engine);
    }
}
PK     (‰U]§€/    @  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/PrivateKey.phpnu „[µü¤        <?php

/**
 * PrivateKey interface
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

/**
 * PrivateKey interface
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
interface PrivateKey
{
    public function sign($message);
    //public function decrypt($ciphertext);
    public function getPublicKey();
    public function toString($type, array $options = []);

    /**
     * @param string|false $password
     * @return mixed
     */
    public function withPassword($password = false);
}
PK     )‰U]ÙFç‡    G  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS.phpnu „[µü¤        <?php

/**
 * PKCS Formatted Key Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Keys;

/**
 * PKCS1 Formatted Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS
{
    /**
     * Auto-detect the format
     */
    const MODE_ANY = 0;
    /**
     * Require base64-encoded PEM's be supplied
     */
    const MODE_PEM = 1;
    /**
     * Require raw DER's be supplied
     */
    const MODE_DER = 2;
    /**#@-*/

    /**
     * Is the key a base-64 encoded PEM, DER or should it be auto-detected?
     *
     * @access private
     * @var int
     */
    protected static $format = self::MODE_ANY;

    /**
     * Require base64-encoded PEM's be supplied
     *
     * @access public
     */
    public static function requirePEM()
    {
        self::$format = self::MODE_PEM;
    }

    /**
     * Require raw DER's be supplied
     *
     * @access public
     */
    public static function requireDER()
    {
        self::$format = self::MODE_DER;
    }

    /**
     * Accept any format and auto detect the format
     *
     * This is the default setting
     *
     * @access public
     */
    public static function requireAny()
    {
        self::$format = self::MODE_ANY;
    }
}
PK     +‰U]ÿoÛe5  e5  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PuTTY.phpnu „[µü¤        <?php

/**
 * PuTTY Formatted Key Handler
 *
 * See PuTTY's SSHPUBK.C and https://tartarus.org/~simon/putty-snapshots/htmldoc/AppendixC.html
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use ParagonIE\ConstantTime\Hex;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\AES;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\Random;
use phpseclib3\Exception\UnsupportedAlgorithmException;

/**
 * PuTTY Formatted Key Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PuTTY
{
    /**
     * Default comment
     *
     * @var string
     * @access private
     */
    private static $comment = 'phpseclib-generated-key';

    /**
     * Default version
     *
     * @var int
     * @access private
     */
    private static $version = 2;

    /**
     * Sets the default comment
     *
     * @access public
     * @param string $comment
     */
    public static function setComment($comment)
    {
        self::$comment = str_replace(["\r", "\n"], '', $comment);
    }

    /**
     * Sets the default version
     *
     * @access public
     * @param int $version
     */
    public static function setVersion($version)
    {
        if ($version != 2 && $version != 3) {
            throw new \RuntimeException('Only supported versions are 2 and 3');
        }
        self::$version = $version;
    }

    /**
     * Generate a symmetric key for PuTTY v2 keys
     *
     * @access private
     * @param string $password
     * @param int $length
     * @return string
     */
    private static function generateV2Key($password, $length)
    {
        $symkey = '';
        $sequence = 0;
        while (strlen($symkey) < $length) {
            $temp = pack('Na*', $sequence++, $password);
            $symkey .= Hex::decode(sha1($temp));
        }
        return substr($symkey, 0, $length);
    }

    /**
     * Generate a symmetric key for PuTTY v3 keys
     *
     * @access private
     * @param string $password
     * @param string $flavour
     * @param int $memory
     * @param int $passes
     * @param string $salt
     * @return array
     */
    private static function generateV3Key($password, $flavour, $memory, $passes, $salt)
    {
        if (!function_exists('sodium_crypto_pwhash')) {
            throw new \RuntimeException('sodium_crypto_pwhash needs to exist for Argon2 password hasing');
        }

        switch ($flavour) {
            case 'Argon2i':
                $flavour = SODIUM_CRYPTO_PWHASH_ALG_ARGON2I13;
                break;
            case 'Argon2id':
                $flavour = SODIUM_CRYPTO_PWHASH_ALG_ARGON2ID13;
                break;
            default:
                throw new UnsupportedAlgorithmException('Only Argon2i and Argon2id are supported');
        }

        $length = 80; // keylen + ivlen + mac_keylen
        $temp = sodium_crypto_pwhash($length, $password, $salt, $passes, $memory << 10, $flavour);

        $symkey = substr($temp, 0, 32);
        $symiv = substr($temp, 32, 16);
        $hashkey = substr($temp, -32);

        return compact('symkey', 'symiv', 'hashkey');
    }

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password
     * @return array
     */
    public static function load($key, $password)
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (strpos($key, 'BEGIN SSH2 PUBLIC KEY') !== false) {
            $lines = preg_split('#[\r\n]+#', $key);
            switch (true) {
                case $lines[0] != '---- BEGIN SSH2 PUBLIC KEY ----':
                    throw new \UnexpectedValueException('Key doesn\'t start with ---- BEGIN SSH2 PUBLIC KEY ----');
                case $lines[count($lines) - 1] != '---- END SSH2 PUBLIC KEY ----':
                    throw new \UnexpectedValueException('Key doesn\'t end with ---- END SSH2 PUBLIC KEY ----');
            }
            $lines = array_splice($lines, 1, -1);
            $lines = array_map(function ($line) {
                return rtrim($line, "\r\n");
            }, $lines);
            $data = $current = '';
            $values = [];
            $in_value = false;
            foreach ($lines as $line) {
                switch (true) {
                    case preg_match('#^(.*?): (.*)#', $line, $match):
                        $in_value = $line[strlen($line) - 1] == '\\';
                        $current = strtolower($match[1]);
                        $values[$current] = $in_value ? substr($match[2], 0, -1) : $match[2];
                        break;
                    case $in_value:
                        $in_value = $line[strlen($line) - 1] == '\\';
                        $values[$current] .= $in_value ? substr($line, 0, -1) : $line;
                        break;
                    default:
                        $data .= $line;
                }
            }

            $components = call_user_func([static::PUBLIC_HANDLER, 'load'], $data);
            if ($components === false) {
                throw new \UnexpectedValueException('Unable to decode public key');
            }
            $components += $values;
            $components['comment'] = str_replace(['\\\\', '\"'], ['\\', '"'], $values['comment']);

            return $components;
        }

        $components = [];

        $key = preg_split('#\r\n|\r|\n#', trim($key));
        if (Strings::shift($key[0], strlen('PuTTY-User-Key-File-')) != 'PuTTY-User-Key-File-') {
            return false;
        }
        $version = (int) Strings::shift($key[0], 3); // should be either "2: " or "3: 0" prior to int casting
        if ($version != 2 && $version != 3) {
            throw new \RuntimeException('Only v2 and v3 PuTTY private keys are supported');
        }
        $components['type'] = $type = rtrim($key[0]);
        if (!in_array($type, static::$types)) {
            $error = count(static::$types) == 1 ?
                'Only ' . static::$types[0] . ' keys are supported. ' :
                '';
            throw new UnsupportedAlgorithmException($error . 'This is an unsupported ' . $type . ' key');
        }
        $encryption = trim(preg_replace('#Encryption: (.+)#', '$1', $key[1]));
        $components['comment'] = trim(preg_replace('#Comment: (.+)#', '$1', $key[2]));

        $publicLength = trim(preg_replace('#Public-Lines: (\d+)#', '$1', $key[3]));
        $public = Base64::decode(implode('', array_map('trim', array_slice($key, 4, $publicLength))));

        $source = Strings::packSSH2('ssss', $type, $encryption, $components['comment'], $public);

        extract(unpack('Nlength', Strings::shift($public, 4)));
        $newtype = Strings::shift($public, $length);
        if ($newtype != $type) {
            throw new \RuntimeException('The binary type does not match the human readable type field');
        }

        $components['public'] = $public;

        switch ($version) {
            case 3:
                $hashkey = '';
                break;
            case 2:
                $hashkey = 'putty-private-key-file-mac-key';
        }

        $offset = $publicLength + 4;
        switch ($encryption) {
            case 'aes256-cbc':
                $crypto = new AES('cbc');
                switch ($version) {
                    case 3:
                        $flavour = trim(preg_replace('#Key-Derivation: (.*)#', '$1', $key[$offset++]));
                        $memory = trim(preg_replace('#Argon2-Memory: (\d+)#', '$1', $key[$offset++]));
                        $passes = trim(preg_replace('#Argon2-Passes: (\d+)#', '$1', $key[$offset++]));
                        $parallelism = trim(preg_replace('#Argon2-Parallelism: (\d+)#', '$1', $key[$offset++]));
                        $salt = Hex::decode(trim(preg_replace('#Argon2-Salt: ([0-9a-f]+)#', '$1', $key[$offset++])));

                        extract(self::generateV3Key($password, $flavour, $memory, $passes, $salt));

                        break;
                    case 2:
                        $symkey = self::generateV2Key($password, 32);
                        $symiv = str_repeat("\0", $crypto->getBlockLength() >> 3);
                        $hashkey .= $password;
                }
        }

        switch ($version) {
            case 3:
                $hash = new Hash('sha256');
                $hash->setKey($hashkey);
                break;
            case 2:
                $hash = new Hash('sha1');
                $hash->setKey(sha1($hashkey, true));
        }

        $privateLength = trim(preg_replace('#Private-Lines: (\d+)#', '$1', $key[$offset++]));
        $private = Base64::decode(implode('', array_map('trim', array_slice($key, $offset, $privateLength))));

        if ($encryption != 'none') {
            $crypto->setKey($symkey);
            $crypto->setIV($symiv);
            $crypto->disablePadding();
            $private = $crypto->decrypt($private);
        }

        $source .= Strings::packSSH2('s', $private);

        $hmac = trim(preg_replace('#Private-MAC: (.+)#', '$1', $key[$offset + $privateLength]));
        $hmac = Hex::decode($hmac);

        if (!hash_equals($hash->hash($source), $hmac)) {
            throw new \UnexpectedValueException('MAC validation error');
        }

        $components['private'] = $private;

        return $components;
    }

    /**
     * Wrap a private key appropriately
     *
     * @access private
     * @param string $public
     * @param string $private
     * @param string $type
     * @param string $password
     * @param array $options optional
     * @return string
     */
    protected static function wrapPrivateKey($public, $private, $type, $password, array $options = [])
    {
        $encryption = (!empty($password) || is_string($password)) ? 'aes256-cbc' : 'none';
        $comment = isset($options['comment']) ? $options['comment'] : self::$comment;
        $version = isset($options['version']) ? $options['version'] : self::$version;

        $key = "PuTTY-User-Key-File-$version: $type\r\n";
        $key .= "Encryption: $encryption\r\n";
        $key .= "Comment: $comment\r\n";

        $public = Strings::packSSH2('s', $type) . $public;

        $source = Strings::packSSH2('ssss', $type, $encryption, $comment, $public);

        $public = Base64::encode($public);
        $key .= "Public-Lines: " . ((strlen($public) + 63) >> 6) . "\r\n";
        $key .= chunk_split($public, 64);

        if (empty($password) && !is_string($password)) {
            $source .= Strings::packSSH2('s', $private);
            switch ($version) {
                case 3:
                    $hash = new Hash('sha256');
                    $hash->setKey('');
                    break;
                case 2:
                    $hash = new Hash('sha1');
                    $hash->setKey(sha1('putty-private-key-file-mac-key', true));
            }
        } else {
            $private .= Random::string(16 - (strlen($private) & 15));
            $source .= Strings::packSSH2('s', $private);
            $crypto = new AES('cbc');

            switch ($version) {
                case 3:
                    $salt = Random::string(16);
                    $key .= "Key-Derivation: Argon2id\r\n";
                    $key .= "Argon2-Memory: 8192\r\n";
                    $key .= "Argon2-Passes: 13\r\n";
                    $key .= "Argon2-Parallelism: 1\r\n";
                    $key .= "Argon2-Salt: " . Hex::encode($salt) . "\r\n";
                    extract(self::generateV3Key($password, 'Argon2id', 8192, 13, $salt));

                    $hash = new Hash('sha256');
                    $hash->setKey($hashkey);

                    break;
                case 2:
                    $symkey = self::generateV2Key($password, 32);
                    $symiv = str_repeat("\0", $crypto->getBlockLength() >> 3);
                    $hashkey = 'putty-private-key-file-mac-key' . $password;

                    $hash = new Hash('sha1');
                    $hash->setKey(sha1($hashkey, true));
            }

            $crypto->setKey($symkey);
            $crypto->setIV($symiv);
            $crypto->disablePadding();
            $private = $crypto->encrypt($private);
            $mac = $hash->hash($source);
        }

        $private = Base64::encode($private);
        $key .= 'Private-Lines: ' . ((strlen($private) + 63) >> 6) . "\r\n";
        $key .= chunk_split($private, 64);
        $key .= 'Private-MAC: ' . Hex::encode($hash->hash($source)) . "\r\n";

        return $key;
    }

    /**
     * Wrap a public key appropriately
     *
     * This is basically the format described in RFC 4716 (https://tools.ietf.org/html/rfc4716)
     *
     * @access private
     * @param string $key
     * @param string $type
     * @return string
     */
    protected static function wrapPublicKey($key, $type)
    {
        $key = pack('Na*a*', strlen($type), $type, $key);
        $key = "---- BEGIN SSH2 PUBLIC KEY ----\r\n" .
               'Comment: "' . str_replace(['\\', '"'], ['\\\\', '\"'], self::$comment) . "\"\r\n" .
               chunk_split(Base64::encode($key), 64) .
               '---- END SSH2 PUBLIC KEY ----';
        return $key;
    }
}
PK     ,‰U]ë6›Ðc#  c#  J  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/OpenSSH.phpnu „[µü¤        <?php

/**
 * OpenSSH Key Handler
 *
 * PHP version 5
 *
 * Place in $HOME/.ssh/authorized_keys
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Random;
use phpseclib3\Exception\UnsupportedFormatException;

/**
 * OpenSSH Formatted RSA Key Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSH
{
    /**
     * Default comment
     *
     * @var string
     * @access private
     */
    protected static $comment = 'phpseclib-generated-key';

    /**
     * Binary key flag
     *
     * @var bool
     * @access private
     */
    protected static $binary = false;

    /**
     * Sets the default comment
     *
     * @access public
     * @param string $comment
     */
    public static function setComment($comment)
    {
        self::$comment = str_replace(["\r", "\n"], '', $comment);
    }

    /**
     * Break a public or private key down into its constituent components
     *
     * $type can be either ssh-dss or ssh-rsa
     *
     * @access public
     * @param string $key
     * @param string $password
     * @return array
     */
    public static function load($key, $password = '')
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        // key format is described here:
        // https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/PROTOCOL.key?annotate=HEAD

        if (strpos($key, 'BEGIN OPENSSH PRIVATE KEY') !== false) {
            $key = preg_replace('#(?:^-.*?-[\r\n]*$)|\s#ms', '', $key);
            $key = Base64::decode($key);
            $magic = Strings::shift($key, 15);
            if ($magic != "openssh-key-v1\0") {
                throw new \RuntimeException('Expected openssh-key-v1');
            }
            list($ciphername, $kdfname, $kdfoptions, $numKeys) = Strings::unpackSSH2('sssN', $key);
            if ($numKeys != 1) {
                // if we wanted to support multiple keys we could update PublicKeyLoader to preview what the # of keys
                // would be; it'd then call Common\Keys\OpenSSH.php::load() and get the paddedKey. it'd then pass
                // that to the appropriate key loading parser $numKey times or something
                throw new \RuntimeException('Although the OpenSSH private key format supports multiple keys phpseclib does not');
            }
            if (strlen($kdfoptions) || $kdfname != 'none' || $ciphername != 'none') {
                /*
                  OpenSSH private keys use a customized version of bcrypt. specifically, instead of encrypting
                  OrpheanBeholderScryDoubt 64 times OpenSSH's bcrypt variant encrypts
                  OxychromaticBlowfishSwatDynamite 64 times. so we can't use crypt().

                  bcrypt is basically Blowfish with an altered key expansion. whereas Blowfish just runs the
                  key through the key expansion bcrypt interleaves the key expansion with the salt and
                  password. this renders openssl / mcrypt unusuable. this forces us to use a pure-PHP implementation
                  of bcrypt. the problem with that is that pure-PHP is too slow to be practically useful.

                  in addition to encrypting a different string 64 times the OpenSSH implementation also performs bcrypt
                  from scratch $rounds times. calling crypt() 64x with bcrypt takes 0.7s. PHP is going to be naturally
                  slower. pure-PHP is 215x slower than OpenSSL for AES and pure-PHP is 43x slower for bcrypt.
                  43 * 0.7 = 30s. no one wants to wait 30s to load a private key.

                  another way to think about this..  according to wikipedia's article on Blowfish,
                  "Each new key requires pre-processing equivalent to encrypting about 4 kilobytes of text".
                  key expansion is done (9+64*2)*160 times. multiply that by 4 and it turns out that Blowfish,
                  OpenSSH style, is the equivalent of encrypting ~80mb of text.

                  more supporting evidence: sodium_compat does not implement Argon2 (another password hashing
                  algorithm) because "It's not feasible to polyfill scrypt or Argon2 into PHP and get reasonable
                  performance. Users would feel motivated to select parameters that downgrade security to avoid
                  denial of service (DoS) attacks. The only winning move is not to play"
                    -- https://github.com/paragonie/sodium_compat/blob/master/README.md
                */
                throw new \RuntimeException('Encrypted OpenSSH private keys are not supported');
                //list($salt, $rounds) = Strings::unpackSSH2('sN', $kdfoptions);
            }

            list($publicKey, $paddedKey) = Strings::unpackSSH2('ss', $key);
            list($type) = Strings::unpackSSH2('s', $publicKey);
            list($checkint1, $checkint2) = Strings::unpackSSH2('NN', $paddedKey);
            // any leftover bytes in $paddedKey are for padding? but they should be sequential bytes. eg. 1, 2, 3, etc.
            if ($checkint1 != $checkint2) {
                throw new \RuntimeException('The two checkints do not match');
            }
            self::checkType($type);

            return compact('type', 'publicKey', 'paddedKey');
        }

        $parts = explode(' ', $key, 3);

        if (!isset($parts[1])) {
            $key = base64_decode($parts[0]);
            $comment = isset($parts[1]) ? $parts[1] : false;
        } else {
            $asciiType = $parts[0];
            self::checkType($parts[0]);
            $key = base64_decode($parts[1]);
            $comment = isset($parts[2]) ? $parts[2] : false;
        }
        if ($key === false) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        list($type) = Strings::unpackSSH2('s', $key);
        self::checkType($type);
        if (isset($asciiType) && $asciiType != $type) {
            throw new \RuntimeException('Two different types of keys are claimed: ' . $asciiType . ' and ' . $type);
        }
        if (strlen($key) <= 4) {
            throw new \UnexpectedValueException('Key appears to be malformed');
        }

        $publicKey = $key;

        return compact('type', 'publicKey', 'comment');
    }

    /**
     * Toggle between binary and printable keys
     *
     * Printable keys are what are generated by default. These are the ones that go in
     * $HOME/.ssh/authorized_key.
     *
     * @access public
     * @param bool $enabled
     */
    public static function setBinaryOutput($enabled)
    {
        self::$binary = $enabled;
    }

    /**
     * Checks to see if the type is valid
     *
     * @access private
     * @param string $candidate
     */
    private static function checkType($candidate)
    {
        if (!in_array($candidate, static::$types)) {
            throw new \RuntimeException("The key type ($candidate) is not equal to: " . implode(',', static::$types));
        }
    }

    /**
     * Wrap a private key appropriately
     *
     * @access public
     * @param string $publicKey
     * @param string $privateKey
     * @param string $password
     * @param array $options
     * @return string
     */
    protected static function wrapPrivateKey($publicKey, $privateKey, $password, $options)
    {
        if (!empty($password) && is_string($password)) {
            throw new UnsupportedFormatException('Encrypted OpenSSH private keys are not supported');
        }

        list(, $checkint) = unpack('N', Random::string(4));

        $comment = isset($options['comment']) ? $options['comment'] : self::$comment;
        $paddedKey = Strings::packSSH2('NN', $checkint, $checkint) .
                     $privateKey .
                     Strings::packSSH2('s', $comment);

        /*
           from http://tools.ietf.org/html/rfc4253#section-6 :

           Note that the length of the concatenation of 'packet_length',
           'padding_length', 'payload', and 'random padding' MUST be a multiple
           of the cipher block size or 8, whichever is larger.
         */
        $paddingLength = (7 * strlen($paddedKey)) % 8;
        for ($i = 1; $i <= $paddingLength; $i++) {
            $paddedKey .= chr($i);
        }
        $key = Strings::packSSH2('sssNss', 'none', 'none', '', 1, $publicKey, $paddedKey);
        $key = "openssh-key-v1\0$key";

        return "-----BEGIN OPENSSH PRIVATE KEY-----\n" .
               chunk_split(Base64::encode($key), 70, "\n") .
               "-----END OPENSSH PRIVATE KEY-----\n";
    }
}
PK     .‰U]=NúA;  ;  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS1.phpnu „[µü¤        <?php

/**
 * PKCS1 Formatted Key Handler
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use ParagonIE\ConstantTime\Hex;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\AES;
use phpseclib3\Crypt\DES;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\TripleDES;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\File\ASN1;

/**
 * PKCS1 Formatted Key Handler
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS1 extends PKCS
{
    /**
     * Default encryption algorithm
     *
     * @var string
     * @access private
     */
    private static $defaultEncryptionAlgorithm = 'AES-128-CBC';

    /**
     * Sets the default encryption algorithm
     *
     * @access public
     * @param string $algo
     */
    public static function setEncryptionAlgorithm($algo)
    {
        self::$defaultEncryptionAlgorithm = $algo;
    }

    /**
     * Returns the mode constant corresponding to the mode string
     *
     * @access public
     * @param string $mode
     * @return int
     * @throws \UnexpectedValueException if the block cipher mode is unsupported
     */
    private static function getEncryptionMode($mode)
    {
        switch ($mode) {
            case 'CBC':
            case 'ECB':
            case 'CFB':
            case 'OFB':
            case 'CTR':
                return $mode;
        }
        throw new \UnexpectedValueException('Unsupported block cipher mode of operation');
    }

    /**
     * Returns a cipher object corresponding to a string
     *
     * @access public
     * @param string $algo
     * @return string
     * @throws \UnexpectedValueException if the encryption algorithm is unsupported
     */
    private static function getEncryptionObject($algo)
    {
        $modes = '(CBC|ECB|CFB|OFB|CTR)';
        switch (true) {
            case preg_match("#^AES-(128|192|256)-$modes$#", $algo, $matches):
                $cipher = new AES(self::getEncryptionMode($matches[2]));
                $cipher->setKeyLength($matches[1]);
                return $cipher;
            case preg_match("#^DES-EDE3-$modes$#", $algo, $matches):
                return new TripleDES(self::getEncryptionMode($matches[1]));
            case preg_match("#^DES-$modes$#", $algo, $matches):
                return new DES(self::getEncryptionMode($matches[1]));
            default:
                throw new UnsupportedAlgorithmException($algo . ' is not a supported algorithm');
        }
    }

    /**
     * Generate a symmetric key for PKCS#1 keys
     *
     * @access private
     * @param string $password
     * @param string $iv
     * @param int $length
     * @return string
     */
    private static function generateSymmetricKey($password, $iv, $length)
    {
        $symkey = '';
        $iv = substr($iv, 0, 8);
        while (strlen($symkey) < $length) {
            $symkey .= md5($symkey . $password . $iv, true);
        }
        return substr($symkey, 0, $length);
    }

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    protected static function load($key, $password)
    {
        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        /* Although PKCS#1 proposes a format that public and private keys can use, encrypting them is
           "outside the scope" of PKCS#1.  PKCS#1 then refers you to PKCS#12 and PKCS#15 if you're wanting to
           protect private keys, however, that's not what OpenSSL* does.  OpenSSL protects private keys by adding
           two new "fields" to the key - DEK-Info and Proc-Type.  These fields are discussed here:

           http://tools.ietf.org/html/rfc1421#section-4.6.1.1
           http://tools.ietf.org/html/rfc1421#section-4.6.1.3

           DES-EDE3-CBC as an algorithm, however, is not discussed anywhere, near as I can tell.
           DES-CBC and DES-EDE are discussed in RFC1423, however, DES-EDE3-CBC isn't, nor is its key derivation
           function.  As is, the definitive authority on this encoding scheme isn't the IETF but rather OpenSSL's
           own implementation.  ie. the implementation *is* the standard and any bugs that may exist in that
           implementation are part of the standard, as well.

           * OpenSSL is the de facto standard.  It's utilized by OpenSSH and other projects */
        if (preg_match('#DEK-Info: (.+),(.+)#', $key, $matches)) {
            $iv = Hex::decode(trim($matches[2]));
            // remove the Proc-Type / DEK-Info sections as they're no longer needed
            $key = preg_replace('#^(?:Proc-Type|DEK-Info): .*#m', '', $key);
            $ciphertext = ASN1::extractBER($key);
            if ($ciphertext === false) {
                $ciphertext = $key;
            }
            $crypto = self::getEncryptionObject($matches[1]);
            $crypto->setKey(self::generateSymmetricKey($password, $iv, $crypto->getKeyLength() >> 3));
            $crypto->setIV($iv);
            $key = $crypto->decrypt($ciphertext);
        } else {
            if (self::$format != self::MODE_DER) {
                $decoded = ASN1::extractBER($key);
                if ($decoded !== false) {
                    $key = $decoded;
                } elseif (self::$format == self::MODE_PEM) {
                    throw new \UnexpectedValueException('Expected base64-encoded PEM format but was unable to decode base64 text');
                }
            }
        }

        return $key;
    }

    /**
     * Wrap a private key appropriately
     *
     * @access public
     * @param string $key
     * @param string $type
     * @param string $password
     * @param array $options optional
     * @return string
     */
    protected static function wrapPrivateKey($key, $type, $password, array $options = [])
    {
        if (empty($password) || !is_string($password)) {
            return "-----BEGIN $type PRIVATE KEY-----\r\n" .
                   chunk_split(Base64::encode($key), 64) .
                   "-----END $type PRIVATE KEY-----";
        }

        $encryptionAlgorithm = isset($options['encryptionAlgorithm']) ? $options['encryptionAlgorithm'] : self::$defaultEncryptionAlgorithm;

        $cipher = self::getEncryptionObject($encryptionAlgorithm);
        $iv = Random::string($cipher->getBlockLength() >> 3);
        $cipher->setKey(self::generateSymmetricKey($password, $iv, $cipher->getKeyLength() >> 3));
        $cipher->setIV($iv);
        $iv = strtoupper(Hex::encode($iv));
        return "-----BEGIN $type PRIVATE KEY-----\r\n" .
               "Proc-Type: 4,ENCRYPTED\r\n" .
               "DEK-Info: " . $encryptionAlgorithm . ",$iv\r\n" .
               "\r\n" .
               chunk_split(Base64::encode($cipher->encrypt($key)), 64) .
               "-----END $type PRIVATE KEY-----";
    }

    /**
     * Wrap a public key appropriately
     *
     * @access public
     * @param string $key
     * @param string $type
     * @return string
     */
    protected static function wrapPublicKey($key, $type)
    {
        return "-----BEGIN $type PUBLIC KEY-----\r\n" .
               chunk_split(Base64::encode($key), 64) .
               "-----END $type PUBLIC KEY-----";
    }
}
PK     /‰U]å&�„jh  jh  H  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS8.phpnu „[µü¤        <?php

/**
 * PKCS#8 Formatted Key Handler
 *
 * PHP version 5
 *
 * Used by PHP's openssl_public_encrypt() and openssl's rsautl (when -pubin is set)
 *
 * Processes keys with the following headers:
 *
 * -----BEGIN ENCRYPTED PRIVATE KEY-----
 * -----BEGIN PRIVATE KEY-----
 * -----BEGIN PUBLIC KEY-----
 *
 * Analogous to ssh-keygen's pkcs8 format (as specified by -m). Although PKCS8
 * is specific to private keys it's basically creating a DER-encoded wrapper
 * for keys. This just extends that same concept to public keys (much like ssh-keygen)
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Keys;

use ParagonIE\ConstantTime\Base64;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\AES;
use phpseclib3\Crypt\DES;
use phpseclib3\Crypt\Random;
use phpseclib3\Crypt\RC2;
use phpseclib3\Crypt\RC4;
use phpseclib3\Crypt\TripleDES;
use phpseclib3\Exception\InsufficientSetupException;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\File\ASN1;
use phpseclib3\File\ASN1\Maps;

/**
 * PKCS#8 Formatted Key Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PKCS8 extends PKCS
{
    /**
     * Default encryption algorithm
     *
     * @var string
     * @access private
     */
    private static $defaultEncryptionAlgorithm = 'id-PBES2';

    /**
     * Default encryption scheme
     *
     * Only used when defaultEncryptionAlgorithm is id-PBES2
     *
     * @var string
     * @access private
     */
    private static $defaultEncryptionScheme = 'aes128-CBC-PAD';

    /**
     * Default PRF
     *
     * Only used when defaultEncryptionAlgorithm is id-PBES2
     *
     * @var string
     * @access private
     */
    private static $defaultPRF = 'id-hmacWithSHA256';

    /**
     * Default Iteration Count
     *
     * @var int
     * @access private
     */
    private static $defaultIterationCount = 2048;

    /**
     * OIDs loaded
     *
     * @var bool
     * @access private
     */
    private static $oidsLoaded = false;

    /**
     * Sets the default encryption algorithm
     *
     * @access public
     * @param string $algo
     */
    public static function setEncryptionAlgorithm($algo)
    {
        self::$defaultEncryptionAlgorithm = $algo;
    }

    /**
     * Sets the default encryption algorithm for PBES2
     *
     * @access public
     * @param string $algo
     */
    public static function setEncryptionScheme($algo)
    {
        self::$defaultEncryptionScheme = $algo;
    }

    /**
     * Sets the iteration count
     *
     * @access public
     * @param int $count
     */
    public static function setIterationCount($count)
    {
        self::$defaultIterationCount = $count;
    }

    /**
     * Sets the PRF for PBES2
     *
     * @access public
     * @param string $algo
     */
    public static function setPRF($algo)
    {
        self::$defaultPRF = $algo;
    }

    /**
     * Returns a SymmetricKey object based on a PBES1 $algo
     *
     * @return \phpseclib3\Crypt\Common\SymmetricKey
     * @access public
     * @param string $algo
     */
    private static function getPBES1EncryptionObject($algo)
    {
        $algo = preg_match('#^pbeWith(?:MD2|MD5|SHA1|SHA)And(.*?)-CBC$#', $algo, $matches) ?
            $matches[1] :
            substr($algo, 13); // strlen('pbeWithSHAAnd') == 13

        switch ($algo) {
            case 'DES':
                $cipher = new DES('cbc');
                break;
            case 'RC2':
                $cipher = new RC2('cbc');
                break;
            case '3-KeyTripleDES':
                $cipher = new TripleDES('cbc');
                break;
            case '2-KeyTripleDES':
                $cipher = new TripleDES('cbc');
                $cipher->setKeyLength(128);
                break;
            case '128BitRC2':
                $cipher = new RC2('cbc');
                $cipher->setKeyLength(128);
                break;
            case '40BitRC2':
                $cipher = new RC2('cbc');
                $cipher->setKeyLength(40);
                break;
            case '128BitRC4':
                $cipher = new RC4();
                $cipher->setKeyLength(128);
                break;
            case '40BitRC4':
                $cipher = new RC4();
                $cipher->setKeyLength(40);
                break;
            default:
                throw new UnsupportedAlgorithmException("$algo is not a supported algorithm");
        }

        return $cipher;
    }

    /**
     * Returns a hash based on a PBES1 $algo
     *
     * @return string
     * @access public
     * @param string $algo
     */
    private static function getPBES1Hash($algo)
    {
        if (preg_match('#^pbeWith(MD2|MD5|SHA1|SHA)And.*?-CBC$#', $algo, $matches)) {
            return $matches[1] == 'SHA' ? 'sha1' : $matches[1];
        }

        return 'sha1';
    }

    /**
     * Returns a KDF baesd on a PBES1 $algo
     *
     * @return string
     * @access public
     * @param string $algo
     */
    private static function getPBES1KDF($algo)
    {
        switch ($algo) {
            case 'pbeWithMD2AndDES-CBC':
            case 'pbeWithMD2AndRC2-CBC':
            case 'pbeWithMD5AndDES-CBC':
            case 'pbeWithMD5AndRC2-CBC':
            case 'pbeWithSHA1AndDES-CBC':
            case 'pbeWithSHA1AndRC2-CBC':
                return 'pbkdf1';
        }

        return 'pkcs12';
    }

    /**
     * Returns a SymmetricKey object baesd on a PBES2 $algo
     *
     * @return SymmetricKey
     * @access public
     * @param string $algo
     */
    private static function getPBES2EncryptionObject($algo)
    {
        switch ($algo) {
            case 'desCBC':
                $cipher = new TripleDES('cbc');
                break;
            case 'des-EDE3-CBC':
                $cipher = new TripleDES('cbc');
                break;
            case 'rc2CBC':
                $cipher = new RC2('cbc');
                // in theory this can be changed
                $cipher->setKeyLength(128);
                break;
            case 'rc5-CBC-PAD':
                throw new UnsupportedAlgorithmException('rc5-CBC-PAD is not supported for PBES2 PKCS#8 keys');
            case 'aes128-CBC-PAD':
            case 'aes192-CBC-PAD':
            case 'aes256-CBC-PAD':
                $cipher = new AES('cbc');
                $cipher->setKeyLength(substr($algo, 3, 3));
                break;
            default:
                throw new UnsupportedAlgorithmException("$algo is not supported");
        }

        return $cipher;
    }

    /**
     * Initialize static variables
     *
     * @access private
     */
    private static function initialize_static_variables()
    {
        if (!isset(static::$childOIDsLoaded)) {
            throw new InsufficientSetupException('This class should not be called directly');
        }

        if (!static::$childOIDsLoaded) {
            ASN1::loadOIDs(is_array(static::OID_NAME) ?
                array_combine(static::OID_NAME, static::OID_VALUE) :
                [static::OID_NAME => static::OID_VALUE]);
            static::$childOIDsLoaded = true;
        }
        if (!self::$oidsLoaded) {
            // from https://tools.ietf.org/html/rfc2898
            ASN1::loadOIDs([
               // PBES1 encryption schemes
               'pbeWithMD2AndDES-CBC' => '1.2.840.113549.1.5.1',
               'pbeWithMD2AndRC2-CBC' => '1.2.840.113549.1.5.4',
               'pbeWithMD5AndDES-CBC' => '1.2.840.113549.1.5.3',
               'pbeWithMD5AndRC2-CBC' => '1.2.840.113549.1.5.6',
               'pbeWithSHA1AndDES-CBC' => '1.2.840.113549.1.5.10',
               'pbeWithSHA1AndRC2-CBC' => '1.2.840.113549.1.5.11',

               // from PKCS#12:
               // https://tools.ietf.org/html/rfc7292
               'pbeWithSHAAnd128BitRC4' => '1.2.840.113549.1.12.1.1',
               'pbeWithSHAAnd40BitRC4' => '1.2.840.113549.1.12.1.2',
               'pbeWithSHAAnd3-KeyTripleDES-CBC' => '1.2.840.113549.1.12.1.3',
               'pbeWithSHAAnd2-KeyTripleDES-CBC' => '1.2.840.113549.1.12.1.4',
               'pbeWithSHAAnd128BitRC2-CBC' => '1.2.840.113549.1.12.1.5',
               'pbeWithSHAAnd40BitRC2-CBC' => '1.2.840.113549.1.12.1.6',

               'id-PBKDF2' => '1.2.840.113549.1.5.12',
               'id-PBES2' => '1.2.840.113549.1.5.13',
               'id-PBMAC1' => '1.2.840.113549.1.5.14',

               // from PKCS#5 v2.1:
               // http://www.rsa.com/rsalabs/pkcs/files/h11302-wp-pkcs5v2-1-password-based-cryptography-standard.pdf
               'id-hmacWithSHA1' => '1.2.840.113549.2.7',
               'id-hmacWithSHA224' => '1.2.840.113549.2.8',
               'id-hmacWithSHA256' => '1.2.840.113549.2.9',
               'id-hmacWithSHA384' => '1.2.840.113549.2.10',
               'id-hmacWithSHA512' => '1.2.840.113549.2.11',
               'id-hmacWithSHA512-224' => '1.2.840.113549.2.12',
               'id-hmacWithSHA512-256' => '1.2.840.113549.2.13',

               'desCBC'       => '1.3.14.3.2.7',
               'des-EDE3-CBC' => '1.2.840.113549.3.7',
               'rc2CBC' => '1.2.840.113549.3.2',
               'rc5-CBC-PAD' => '1.2.840.113549.3.9',

               'aes128-CBC-PAD' => '2.16.840.1.101.3.4.1.2',
               'aes192-CBC-PAD' => '2.16.840.1.101.3.4.1.22',
               'aes256-CBC-PAD' => '2.16.840.1.101.3.4.1.42'
            ]);
            self::$oidsLoaded = true;
        }
    }

    /**
     * Break a public or private key down into its constituent components
     *
     * @access public
     * @param string $key
     * @param string $password optional
     * @return array
     */
    protected static function load($key, $password = '')
    {
        $decoded = self::preParse($key);

        $meta = [];

        $decrypted = ASN1::asn1map($decoded[0], Maps\EncryptedPrivateKeyInfo::MAP);
        if (strlen($password) && is_array($decrypted)) {
            $algorithm = $decrypted['encryptionAlgorithm']['algorithm'];
            switch ($algorithm) {
                // PBES1
                case 'pbeWithMD2AndDES-CBC':
                case 'pbeWithMD2AndRC2-CBC':
                case 'pbeWithMD5AndDES-CBC':
                case 'pbeWithMD5AndRC2-CBC':
                case 'pbeWithSHA1AndDES-CBC':
                case 'pbeWithSHA1AndRC2-CBC':
                case 'pbeWithSHAAnd3-KeyTripleDES-CBC':
                case 'pbeWithSHAAnd2-KeyTripleDES-CBC':
                case 'pbeWithSHAAnd128BitRC2-CBC':
                case 'pbeWithSHAAnd40BitRC2-CBC':
                case 'pbeWithSHAAnd128BitRC4':
                case 'pbeWithSHAAnd40BitRC4':
                    $cipher = self::getPBES1EncryptionObject($algorithm);
                    $hash = self::getPBES1Hash($algorithm);
                    $kdf = self::getPBES1KDF($algorithm);

                    $meta['meta']['algorithm'] = $algorithm;

                    $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']);
                    extract(ASN1::asn1map($temp[0], Maps\PBEParameter::MAP));
                    $iterationCount = (int) $iterationCount->toString();
                    $cipher->setPassword($password, $kdf, $hash, $salt, $iterationCount);
                    $key = $cipher->decrypt($decrypted['encryptedData']);
                    $decoded = ASN1::decodeBER($key);
                    if (empty($decoded)) {
                        throw new \RuntimeException('Unable to decode BER 2');
                    }

                    break;
                case 'id-PBES2':
                    $meta['meta']['algorithm'] = $algorithm;

                    $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']);
                    $temp = ASN1::asn1map($temp[0], Maps\PBES2params::MAP);
                    extract($temp);

                    $cipher = self::getPBES2EncryptionObject($encryptionScheme['algorithm']);
                    $meta['meta']['cipher'] = $encryptionScheme['algorithm'];

                    $temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']);
                    $temp = ASN1::asn1map($temp[0], Maps\PBES2params::MAP);
                    extract($temp);

                    if (!$cipher instanceof RC2) {
                        $cipher->setIV($encryptionScheme['parameters']['octetString']);
                    } else {
                        $temp = ASN1::decodeBER($encryptionScheme['parameters']);
                        extract(ASN1::asn1map($temp[0], Maps\RC2CBCParameter::MAP));
                        $effectiveKeyLength = (int) $rc2ParametersVersion->toString();
                        switch ($effectiveKeyLength) {
                            case 160:
                                $effectiveKeyLength = 40;
                                break;
                            case 120:
                                $effectiveKeyLength = 64;
                                break;
                            case 58:
                                $effectiveKeyLength = 128;
                                break;
                            //default: // should be >= 256
                        }
                        $cipher->setIV($iv);
                        $cipher->setKeyLength($effectiveKeyLength);
                    }

                    $meta['meta']['keyDerivationFunc'] = $keyDerivationFunc['algorithm'];
                    switch ($keyDerivationFunc['algorithm']) {
                        case 'id-PBKDF2':
                            $temp = ASN1::decodeBER($keyDerivationFunc['parameters']);
                            $prf = ['algorithm' => 'id-hmacWithSHA1'];
                            $params = ASN1::asn1map($temp[0], Maps\PBKDF2params::MAP);
                            extract($params);
                            $meta['meta']['prf'] = $prf['algorithm'];
                            $hash = str_replace('-', '/', substr($prf['algorithm'], 11));
                            $params = [
                                $password,
                                'pbkdf2',
                                $hash,
                                $salt,
                                (int) $iterationCount->toString()
                            ];
                            if (isset($keyLength)) {
                                $params[] = (int) $keyLength->toString();
                            }
                            $cipher->setPassword(...$params);
                            $key = $cipher->decrypt($decrypted['encryptedData']);
                            $decoded = ASN1::decodeBER($key);
                            if (empty($decoded)) {
                                throw new \RuntimeException('Unable to decode BER 3');
                            }
                            break;
                        default:
                            throw new UnsupportedAlgorithmException('Only PBKDF2 is supported for PBES2 PKCS#8 keys');
                    }
                    break;
                case 'id-PBMAC1':
                    //$temp = ASN1::decodeBER($decrypted['encryptionAlgorithm']['parameters']);
                    //$value = ASN1::asn1map($temp[0], Maps\PBMAC1params::MAP);
                    // since i can't find any implementation that does PBMAC1 it is unsupported
                    throw new UnsupportedAlgorithmException('Only PBES1 and PBES2 PKCS#8 keys are supported.');
                // at this point we'll assume that the key conforms to PublicKeyInfo
            }
        }

        $private = ASN1::asn1map($decoded[0], Maps\OneAsymmetricKey::MAP);
        if (is_array($private)) {
            if (isset($private['privateKeyAlgorithm']['parameters']) && !$private['privateKeyAlgorithm']['parameters'] instanceof ASN1\Element && isset($decoded[0]['content'][1]['content'][1])) {
                $temp = $decoded[0]['content'][1]['content'][1];
                $private['privateKeyAlgorithm']['parameters'] = new ASN1\Element(substr($key, $temp['start'], $temp['length']));
            }
            if (is_array(static::OID_NAME)) {
                if (!in_array($private['privateKeyAlgorithm']['algorithm'], static::OID_NAME)) {
                    throw new UnsupportedAlgorithmException($private['privateKeyAlgorithm']['algorithm'] . ' is not a supported key type');
                }
            } else {
                if ($private['privateKeyAlgorithm']['algorithm'] != static::OID_NAME) {
                    throw new UnsupportedAlgorithmException('Only ' . static::OID_NAME . ' keys are supported; this is a ' . $private['privateKeyAlgorithm']['algorithm'] . ' key');
                }
            }
            if (isset($private['publicKey'])) {
                if ($private['publicKey'][0] != "\0") {
                    throw new \UnexpectedValueException('The first byte of the public key should be null - not ' . bin2hex($private['publicKey'][0]));
                }
                $private['publicKey'] = substr($private['publicKey'], 1);
            }
            return $private + $meta;
        }

        // EncryptedPrivateKeyInfo and PublicKeyInfo have largely identical "signatures". the only difference
        // is that the former has an octet string and the later has a bit string. the first byte of a bit
        // string represents the number of bits in the last byte that are to be ignored but, currently,
        // bit strings wanting a non-zero amount of bits trimmed are not supported
        $public = ASN1::asn1map($decoded[0], Maps\PublicKeyInfo::MAP);

        if (is_array($public)) {
            if ($public['publicKey'][0] != "\0") {
                throw new \UnexpectedValueException('The first byte of the public key should be null - not ' . bin2hex($public['publicKey'][0]));
            }
            if (is_array(static::OID_NAME)) {
                if (!in_array($public['publicKeyAlgorithm']['algorithm'], static::OID_NAME)) {
                    throw new UnsupportedAlgorithmException($public['publicKeyAlgorithm']['algorithm'] . ' is not a supported key type');
                }
            } else {
                if ($public['publicKeyAlgorithm']['algorithm'] != static::OID_NAME) {
                    throw new UnsupportedAlgorithmException('Only ' . static::OID_NAME . ' keys are supported; this is a ' . $public['publicKeyAlgorithm']['algorithm'] . ' key');
                }
            }
            if (isset($public['publicKeyAlgorithm']['parameters']) && !$public['publicKeyAlgorithm']['parameters'] instanceof ASN1\Element && isset($decoded[0]['content'][0]['content'][1])) {
                $temp = $decoded[0]['content'][0]['content'][1];
                $public['publicKeyAlgorithm']['parameters'] = new ASN1\Element(substr($key, $temp['start'], $temp['length']));
            }
            $public['publicKey'] = substr($public['publicKey'], 1);
            return $public;
        }

        throw new \RuntimeException('Unable to parse using either OneAsymmetricKey or PublicKeyInfo ASN1 maps');
    }

    /**
     * Wrap a private key appropriately
     *
     * @access public
     * @param string $key
     * @param string $attr
     * @param mixed $params
     * @param string $password
     * @param string $oid optional
     * @param string $publicKey optional
     * @param array $options optional
     * @return string
     */
    protected static function wrapPrivateKey($key, $attr, $params, $password, $oid = null, $publicKey = '', array $options = [])
    {
        self::initialize_static_variables();

        $key = [
            'version' => 'v1',
            'privateKeyAlgorithm' => [
                'algorithm' => is_string(static::OID_NAME) ? static::OID_NAME : $oid
             ],
            'privateKey' => $key
        ];
        if ($oid != 'id-Ed25519' && $oid != 'id-Ed448') {
            $key['privateKeyAlgorithm']['parameters'] = $params;
        }
        if (!empty($attr)) {
            $key['attributes'] = $attr;
        }
        if (!empty($publicKey)) {
            $key['version'] = 'v2';
            $key['publicKey'] = $publicKey;
        }
        $key = ASN1::encodeDER($key, Maps\OneAsymmetricKey::MAP);
        if (!empty($password) && is_string($password)) {
            $salt = Random::string(8);

            $iterationCount = isset($options['iterationCount']) ? $options['iterationCount'] : self::$defaultIterationCount;
            $encryptionAlgorithm = isset($options['encryptionAlgorithm']) ? $options['encryptionAlgorithm'] : self::$defaultEncryptionAlgorithm;
            $encryptionScheme = isset($options['encryptionScheme']) ? $options['encryptionScheme'] : self::$defaultEncryptionScheme;
            $prf = isset($options['PRF']) ? $options['PRF'] : self::$defaultPRF;

            if ($encryptionAlgorithm == 'id-PBES2') {
                $crypto = self::getPBES2EncryptionObject($encryptionScheme);
                $hash = str_replace('-', '/', substr($prf, 11));
                $kdf = 'pbkdf2';
                $iv = Random::string($crypto->getBlockLength() >> 3);

                $PBKDF2params = [
                    'salt' => $salt,
                    'iterationCount' => $iterationCount,
                    'prf' => ['algorithm' => $prf, 'parameters' => null]
                ];
                $PBKDF2params = ASN1::encodeDER($PBKDF2params, Maps\PBKDF2params::MAP);

                if (!$crypto instanceof RC2) {
                    $params = ['octetString' => $iv];
                } else {
                    $params = [
                        'rc2ParametersVersion' => 58,
                        'iv' => $iv
                    ];
                    $params = ASN1::encodeDER($params, Maps\RC2CBCParameter::MAP);
                    $params = new ASN1\Element($params);
                }

                $params = [
                    'keyDerivationFunc' => [
                        'algorithm' => 'id-PBKDF2',
                        'parameters' => new ASN1\Element($PBKDF2params)
                    ],
                    'encryptionScheme' => [
                        'algorithm' => $encryptionScheme,
                        'parameters' => $params
                    ]
                ];
                $params = ASN1::encodeDER($params, Maps\PBES2params::MAP);

                $crypto->setIV($iv);
            } else {
                $crypto = self::getPBES1EncryptionObject($encryptionAlgorithm);
                $hash = self::getPBES1Hash($encryptionAlgorithm);
                $kdf = self::getPBES1KDF($encryptionAlgorithm);

                $params = [
                    'salt' => $salt,
                    'iterationCount' => $iterationCount
                ];
                $params = ASN1::encodeDER($params, Maps\PBEParameter::MAP);
            }
            $crypto->setPassword($password, $kdf, $hash, $salt, $iterationCount);
            $key = $crypto->encrypt($key);

            $key = [
                'encryptionAlgorithm' => [
                    'algorithm' => $encryptionAlgorithm,
                    'parameters' => new ASN1\Element($params)
                ],
                'encryptedData' => $key
            ];

            $key = ASN1::encodeDER($key, Maps\EncryptedPrivateKeyInfo::MAP);

            return "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" .
                   chunk_split(Base64::encode($key), 64) .
                   "-----END ENCRYPTED PRIVATE KEY-----";
        }

        return "-----BEGIN PRIVATE KEY-----\r\n" .
               chunk_split(Base64::encode($key), 64) .
               "-----END PRIVATE KEY-----";
    }

    /**
     * Wrap a public key appropriately
     *
     * @access public
     * @param string $key
     * @param mixed $params
     * @param string $oid
     * @return string
     */
    protected static function wrapPublicKey($key, $params, $oid = null)
    {
        self::initialize_static_variables();

        $key = [
            'publicKeyAlgorithm' => [
                'algorithm' => is_string(static::OID_NAME) ? static::OID_NAME : $oid,
                'parameters' => $params
            ],
            'publicKey' => "\0" . $key
        ];

        $key = ASN1::encodeDER($key, Maps\PublicKeyInfo::MAP);

        return "-----BEGIN PUBLIC KEY-----\r\n" .
               chunk_split(Base64::encode($key), 64) .
               "-----END PUBLIC KEY-----";
    }

    /**
     * Perform some preliminary parsing of the key
     *
     * @param string $key
     * @return array
     */
    private static function preParse(&$key)
    {
        self::initialize_static_variables();

        if (!Strings::is_stringable($key)) {
            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
        }

        if (self::$format != self::MODE_DER) {
            $decoded = ASN1::extractBER($key);
            if ($decoded !== false) {
                $key = $decoded;
            } elseif (self::$format == self::MODE_PEM) {
                throw new \UnexpectedValueException('Expected base64-encoded PEM format but was unable to decode base64 text');
            }
        }

        $decoded = ASN1::decodeBER($key);
        if (empty($decoded)) {
            throw new \RuntimeException('Unable to decode BER');
        }

        return $decoded;
    }

    /**
     * Returns the encryption parameters used by the key
     *
     * @param string $key
     * @return array
     */
    public static function extractEncryptionAlgorithm($key)
    {
        $decoded = self::preParse($key);

        $r = ASN1::asn1map($decoded[0], ASN1\Maps\EncryptedPrivateKeyInfo::MAP);
        if (!is_array($r)) {
            throw new \RuntimeException('Unable to parse using EncryptedPrivateKeyInfo map');
        }

        if ($r['encryptionAlgorithm']['algorithm'] == 'id-PBES2') {
            $decoded = ASN1::decodeBER($r['encryptionAlgorithm']['parameters']->element);
            $r['encryptionAlgorithm']['parameters'] = ASN1::asn1map($decoded[0], ASN1\Maps\PBES2params::MAP);

            $kdf = &$r['encryptionAlgorithm']['parameters']['keyDerivationFunc'];
            switch ($kdf['algorithm']) {
                case 'id-PBKDF2':
                    $decoded = ASN1::decodeBER($kdf['parameters']->element);
                    $kdf['parameters'] = ASN1::asn1map($decoded[0], Maps\PBKDF2params::MAP);
            }
        }

        return $r['encryptionAlgorithm'];
    }
}
PK     1‰U]}y†  †  K  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Signature/Raw.phpnu „[µü¤        <?php

/**
 * Raw Signature Handler
 *
 * PHP version 5
 *
 * Handles signatures as arrays
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Formats\Signature;

use phpseclib3\Math\BigInteger;

/**
 * Raw Signature Handler
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Raw
{
    /**
     * Loads a signature
     *
     * @access public
     * @param array $sig
     * @return array|bool
     */
    public static function load($sig)
    {
        switch (true) {
            case !is_array($sig):
            case !isset($sig['r']) || !isset($sig['s']):
            case !$sig['r'] instanceof BigInteger:
            case !$sig['s'] instanceof BigInteger:
                return false;
        }

        return [
            'r' => $sig['r'],
            's' => $sig['s']
        ];
    }

    /**
     * Returns a signature in the appropriate format
     *
     * @access public
     * @param \phpseclib3\Math\BigInteger $r
     * @param \phpseclib3\Math\BigInteger $s
     * @return string
     */
    public static function save(BigInteger $r, BigInteger $s)
    {
        return compact('r', 's');
    }
}
PK     3‰U]9¡Ð�  �  N  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Traits/PasswordProtected.phpnu „[µü¤        <?php

/**
 * Password Protected Trait for Private Keys
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Traits;

/**
 * Password Protected Trait for Private Keys
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
trait PasswordProtected
{
    /**
     * Password
     *
     * @var string|bool
     */
    private $password = false;

    /**
     * Sets the password
     *
     * Private keys can be encrypted with a password.  To unset the password, pass in the empty string or false.
     * Or rather, pass in $password such that empty($password) && !is_string($password) is true.
     *
     * @see self::createKey()
     * @see self::load()
     * @access public
     * @param string|bool $password
     */
    public function withPassword($password = false)
    {
        $new = clone $this;
        $new->password = $password;
        return $new;
    }
}
PK     4‰U]ðÃ�Ü    H  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Traits/Fingerprint.phpnu „[µü¤        <?php

/**
 * Fingerprint Trait for Public Keys
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common\Traits;

use phpseclib3\Crypt\Hash;

/**
 * Fingerprint Trait for Private Keys
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
trait Fingerprint
{
    /**
     * Returns the public key's fingerprint
     *
     * The public key's fingerprint is returned, which is equivalent to running `ssh-keygen -lf rsa.pub`. If there is
     * no public key currently loaded, false is returned.
     * Example output (md5): "c1:b1:30:29:d7:b8:de:6c:97:77:10:d7:46:41:63:87" (as specified by RFC 4716)
     *
     * @access public
     * @param string $algorithm The hashing algorithm to be used. Valid options are 'md5' and 'sha256'. False is returned
     * for invalid values.
     * @return mixed
     */
    public function getFingerprint($algorithm = 'md5')
    {
        $type = self::validatePlugin('Keys', 'OpenSSH', 'savePublicKey');
        if ($type === false) {
            return false;
        }
        $key = $this->toString('OpenSSH', ['binary' => true]);
        if ($key === false) {
            return false;
        }
        switch ($algorithm) {
            case 'sha256':
                $hash = new Hash('sha256');
                $base = base64_encode($hash->hash($key));
                return substr($base, 0, strlen($base) - 1);
            case 'md5':
                return substr(chunk_split(md5($key), 2, ':'), 0, -1);
            default:
                return false;
        }
    }
}
PK     5‰U]—`©r\  \  A  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/BlockCipher.phpnu „[µü¤        <?php

/**
 * Base Class for all block ciphers
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   BlockCipher
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

/**
 * Base Class for all block cipher classes
 *
 * @package BlockCipher
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class BlockCipher extends SymmetricKey
{
}
PK     5‰U]>mø  ø  B  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/StreamCipher.phpnu „[µü¤        <?php

/**
 * Base Class for all stream ciphers
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   StreamCipher
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

/**
 * Base Class for all stream cipher classes
 *
 * @package StreamCipher
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class StreamCipher extends SymmetricKey
{
    /**
     * Block Length of the cipher
     *
     * Stream ciphers do not have a block size
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size
     * @var int
     * @access private
     */
    protected $block_size = 0;

    /**
     * Default Constructor.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @return \phpseclib3\Crypt\Common\StreamCipher
     */
    public function __construct()
    {
        parent::__construct('stream');
    }

    /**
     * Stream ciphers not use an IV
     *
     * @access public
     * @return bool
     */
    public function usesIV()
    {
        return false;
    }
}
PK     6‰U];,dr>  r>  C  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/AsymmetricKey.phpnu „[µü¤        <?php

/**
 * Base Class for all asymmetric key ciphers
 *
 * PHP version 5
 *
 * @category  Crypt
 * @package   AsymmetricKey
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\Hash;
use phpseclib3\Crypt\RSA;
use phpseclib3\Exception\NoKeyLoadedException;
use phpseclib3\Exception\UnsupportedFormatException;
use phpseclib3\Math\BigInteger;

/**
 * Base Class for all asymmetric cipher classes
 *
 * @package AsymmetricKey
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class AsymmetricKey
{
    /**
     * Precomputed Zero
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected static $zero;

    /**
     * Precomputed One
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected static $one;

    /**
     * Format of the loaded key
     *
     * @var string
     * @access private
     */
    protected $format;

    /**
     * Hash function
     *
     * @var \phpseclib3\Crypt\Hash
     * @access private
     */
    protected $hash;

    /**
     * HMAC function
     *
     * @var \phpseclib3\Crypt\Hash
     * @access private
     */
    private $hmac;

    /**
     * Supported plugins (lower case)
     *
     * @see self::initialize_static_variables()
     * @var array
     * @access private
     */
    private static $plugins = [];

    /**
     * Invisible plugins
     *
     * @see self::initialize_static_variables()
     * @var array
     * @access private
     */
    private static $invisiblePlugins = [];

    /**
     * Supported signature formats (lower case)
     *
     * @see self::initialize_static_variables()
     * @var array
     * @access private
     */
    private static $signatureFormats = [];

    /**
     * Supported signature formats (original case)
     *
     * @see self::initialize_static_variables()
     * @var array
     * @access private
     */
    private static $signatureFileFormats = [];

    /**
     * Available Engines
     *
     * @var boolean[]
     * @access private
     */
    protected static $engines = [];

    /**
     * Key Comment
     *
     * @var null|string
     * @access private
     */
    private $comment;

    /**
     * @param string $type
     * @return string
     */
    abstract public function toString($type, array $options = []);

    /**
     * The constructor
     */
    protected function __construct()
    {
        self::initialize_static_variables();

        $this->hash = new Hash('sha256');
        $this->hmac = new Hash('sha256');
    }

    /**
     * Initialize static variables
     */
    protected static function initialize_static_variables()
    {
        if (!isset(self::$zero)) {
            self::$zero = new BigInteger(0);
            self::$one = new BigInteger(1);
        }

        self::loadPlugins('Keys');
        if (static::ALGORITHM != 'RSA' && static::ALGORITHM != 'DH') {
            self::loadPlugins('Signature');
        }
    }

    /**
     * Load the key
     *
     * @param string $key
     * @param string $password optional
     * @return AsymmetricKey
     */
    public static function load($key, $password = false)
    {
        self::initialize_static_variables();

        $components = false;
        foreach (self::$plugins[static::ALGORITHM]['Keys'] as $format) {
            if (isset(self::$invisiblePlugins[static::ALGORITHM]) && in_array($format, self::$invisiblePlugins[static::ALGORITHM])) {
                continue;
            }
            try {
                $components = $format::load($key, $password);
            } catch (\Exception $e) {
                $components = false;
            }
            if ($components !== false) {
                break;
            }
        }

        if ($components === false) {
            throw new NoKeyLoadedException('Unable to read key');
        }

        $components['format'] = $format;
        $comment = isset($components['comment']) ? $components['comment'] : null;
        $new = static::onLoad($components);
        $new->format = $format;
        $new->comment = $comment;
        return $new instanceof PrivateKey ?
            $new->withPassword($password) :
            $new;
    }

    /**
     * Loads a private key
     *
     * @return PrivateKey
     * @access public
     * @param string|array $key
     * @param string $password optional
     */
    public static function loadPrivateKey($key, $password = '')
    {
        $key = self::load($key, $password);
        if (!$key instanceof PrivateKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a private key');
        }
        return $key;
    }

    /**
     * Loads a public key
     *
     * @return PublicKey
     * @access public
     * @param string|array $key
     */
    public static function loadPublicKey($key)
    {
        $key = self::load($key);
        if (!$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a public key');
        }
        return $key;
    }

    /**
     * Loads parameters
     *
     * @return AsymmetricKey
     * @access public
     * @param string|array $key
     */
    public static function loadParameters($key)
    {
        $key = self::load($key);
        if (!$key instanceof PrivateKey && !$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a parameter');
        }
        return $key;
    }

    /**
     * Load the key, assuming a specific format
     *
     * @param string $type
     * @param string $key
     * @param string $password optional
     * @return static
     */
    public static function loadFormat($type, $key, $password = false)
    {
        self::initialize_static_variables();

        $components = false;
        $format = strtolower($type);
        if (isset(self::$plugins[static::ALGORITHM]['Keys'][$format])) {
            $format = self::$plugins[static::ALGORITHM]['Keys'][$format];
            $components = $format::load($key, $password);
        }

        if ($components === false) {
            throw new NoKeyLoadedException('Unable to read key');
        }

        $components['format'] = $format;

        $new = static::onLoad($components);
        $new->format = $format;
        return $new instanceof PrivateKey ?
            $new->withPassword($password) :
            $new;
    }

    /**
     * Loads a private key
     *
     * @return PrivateKey
     * @access public
     * @param string $type
     * @param string $key
     * @param string $password optional
     */
    public static function loadPrivateKeyFormat($type, $key, $password = false)
    {
        $key = self::loadFormat($type, $key, $password);
        if (!$key instanceof PrivateKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a private key');
        }
        return $key;
    }

    /**
     * Loads a public key
     *
     * @return PublicKey
     * @access public
     * @param string $type
     * @param string $key
     */
    public static function loadPublicKeyFormat($type, $key)
    {
        $key = self::loadFormat($type, $key);
        if (!$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a public key');
        }
        return $key;
    }

    /**
     * Loads parameters
     *
     * @return AsymmetricKey
     * @access public
     * @param string $type
     * @param string|array $key
     */
    public static function loadParametersFormat($type, $key)
    {
        $key = self::loadFormat($type, $key);
        if (!$key instanceof PrivateKey && !$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a parameter');
        }
        return $key;
    }

    /**
     * Validate Plugin
     *
     * @access private
     * @param string $format
     * @param string $type
     * @param string $method optional
     * @return mixed
     */
    protected static function validatePlugin($format, $type, $method = null)
    {
        $type = strtolower($type);
        if (!isset(self::$plugins[static::ALGORITHM][$format][$type])) {
            throw new UnsupportedFormatException("$type is not a supported format");
        }
        $type = self::$plugins[static::ALGORITHM][$format][$type];
        if (isset($method) && !method_exists($type, $method)) {
            throw new UnsupportedFormatException("$type does not implement $method");
        }

        return $type;
    }

    /**
     * Load Plugins
     *
     * @access private
     * @param string $format
     */
    private static function loadPlugins($format)
    {
        if (!isset(self::$plugins[static::ALGORITHM][$format])) {
            self::$plugins[static::ALGORITHM][$format] = [];
            foreach (new \DirectoryIterator(__DIR__ . '/../' . static::ALGORITHM . '/Formats/' . $format . '/') as $file) {
                if ($file->getExtension() != 'php') {
                    continue;
                }
                $name = $file->getBasename('.php');
                if ($name[0] == '.') {
                    continue;
                }
                $type = 'phpseclib3\Crypt\\' . static::ALGORITHM . '\\Formats\\' . $format . '\\' . $name;
                $reflect = new \ReflectionClass($type);
                if ($reflect->isTrait()) {
                    continue;
                }
                self::$plugins[static::ALGORITHM][$format][strtolower($name)] = $type;
                if ($reflect->hasConstant('IS_INVISIBLE')) {
                    self::$invisiblePlugins[static::ALGORITHM][] = $type;
                }
            }
        }
    }

    /**
     * Returns a list of supported formats.
     *
     * @access public
     * @return array
     */
    public static function getSupportedKeyFormats()
    {
        self::initialize_static_variables();

        return self::$plugins[static::ALGORITHM]['Keys'];
    }

    /**
     * Add a fileformat plugin
     *
     * The plugin needs to either already be loaded or be auto-loadable.
     * Loading a plugin whose shortname overwrite an existing shortname will overwrite the old plugin.
     *
     * @see self::load()
     * @param string $fullname
     * @access public
     * @return bool
     */
    public static function addFileFormat($fullname)
    {
        self::initialize_static_variables();

        if (class_exists($fullname)) {
            $meta = new \ReflectionClass($fullname);
            $shortname = $meta->getShortName();
            self::$plugins[static::ALGORITHM]['Keys'][strtolower($shortname)] = $fullname;
            if ($meta->hasConstant('IS_INVISIBLE')) {
                self::$invisiblePlugins[static::ALGORITHM] = strtolower($name);
            }
        }
    }

    /**
     * Returns the format of the loaded key.
     *
     * If the key that was loaded wasn't in a valid or if the key was auto-generated
     * with RSA::createKey() then this will throw an exception.
     *
     * @see self::load()
     * @access public
     * @return mixed
     */
    public function getLoadedFormat()
    {
        if (empty($this->format)) {
            throw new NoKeyLoadedException('This key was created with createKey - it was not loaded with load. Therefore there is no "loaded format"');
        }

        $meta = new \ReflectionClass($this->format);
        return $meta->getShortName();
    }

    /**
     * Returns the key's comment
     *
     * Not all key formats support comments. If you want to set a comment use toString()
     *
     * @access public
     * @return null|string
     */
    public function getComment()
    {
        return $this->comment;
    }

    /**
     * Tests engine validity
     *
     * @access public
     */
    public static function useBestEngine()
    {
        static::$engines = [
            'PHP' => true,
            'OpenSSL' => extension_loaded('openssl'),
            // this test can be satisfied by either of the following:
            // http://php.net/manual/en/book.sodium.php
            // https://github.com/paragonie/sodium_compat
            'libsodium' => function_exists('sodium_crypto_sign_keypair')
        ];

        return static::$engines;
    }

    /**
     * Flag to use internal engine only (useful for unit testing)
     *
     * @access public
     */
    public static function useInternalEngine()
    {
        static::$engines = [
            'PHP' => true,
            'OpenSSL' => false,
            'libsodium' => false
        ];
    }

    /**
     * __toString() magic method
     *
     * @return string
     */
    public function __toString()
    {
        return $this->toString('PKCS8');
    }

    /**
     * Determines which hashing function should be used
     *
     * @access public
     * @param string $hash
     */
    public function withHash($hash)
    {
        $new = clone $this;

        $new->hash = new Hash($hash);
        $new->hmac = new Hash($hash);

        return $new;
    }

    /**
     * Returns the hash algorithm currently being used
     *
     * @access public
     */
    public function getHash()
    {
        return clone $this->hash;
    }

    /**
     * Compute the pseudorandom k for signature generation,
     * using the process specified for deterministic DSA.
     *
     * @access public
     * @param string $h1
     * @return string
     */
    protected function computek($h1)
    {
        $v = str_repeat("\1", strlen($h1));

        $k = str_repeat("\0", strlen($h1));

        $x = $this->int2octets($this->x);
        $h1 = $this->bits2octets($h1);

        $this->hmac->setKey($k);
        $k = $this->hmac->hash($v . "\0" . $x . $h1);
        $this->hmac->setKey($k);
        $v = $this->hmac->hash($v);
        $k = $this->hmac->hash($v . "\1" . $x . $h1);
        $this->hmac->setKey($k);
        $v = $this->hmac->hash($v);

        $qlen = $this->q->getLengthInBytes();

        while (true) {
            $t = '';
            while (strlen($t) < $qlen) {
                $v = $this->hmac->hash($v);
                $t = $t . $v;
            }
            $k = $this->bits2int($t);

            if (!$k->equals(self::$zero) && $k->compare($this->q) < 0) {
                break;
            }
            $k = $this->hmac->hash($v . "\0");
            $this->hmac->setKey($k);
            $v = $this->hmac->hash($v);
        }

        return $k;
    }

    /**
     * Integer to Octet String
     *
     * @access private
     * @param \phpseclib3\Math\BigInteger $v
     * @return string
     */
    private function int2octets($v)
    {
        $out = $v->toBytes();
        $rolen = $this->q->getLengthInBytes();
        if (strlen($out) < $rolen) {
            return str_pad($out, $rolen, "\0", STR_PAD_LEFT);
        } elseif (strlen($out) > $rolen) {
            return substr($out, -$rolen);
        } else {
            return $out;
        }
    }

    /**
     * Bit String to Integer
     *
     * @access private
     * @param string $in
     * @return \phpseclib3\Math\BigInteger
     */
    protected function bits2int($in)
    {
        $v = new BigInteger($in, 256);
        $vlen = strlen($in) << 3;
        $qlen = $this->q->getLength();
        if ($vlen > $qlen) {
            return $v->bitwise_rightShift($vlen - $qlen);
        }
        return $v;
    }

    /**
     * Bit String to Octet String
     *
     * @access private
     * @param string $in
     * @return string
     */
    private function bits2octets($in)
    {
        $z1 = $this->bits2int($in);
        $z2 = $z1->subtract($this->q);
        return $z2->compare(self::$zero) < 0 ?
            $this->int2octets($z1) :
            $this->int2octets($z2);
    }
}
PK     6‰U]ì<L'�  �  ?  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/PublicKey.phpnu „[µü¤        <?php

/**
 * PublicKey interface
 *
 * @category  Crypt
 * @package   Common
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

/**
 * PublicKey interface
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
interface PublicKey
{
    public function verify($message, $signature);
    //public function encrypt($plaintext);
    public function toString($type, array $options = []);
    public function getFingerprint($algorithm);
}
PK     6‰U]zø4úØõ Øõ B  vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/SymmetricKey.phpnu „[µü¤        <?php

/**
 * Base Class for all \phpseclib3\Crypt\* cipher classes
 *
 * PHP version 5
 *
 * Internally for phpseclib developers:
 *  If you plan to add a new cipher class, please note following rules:
 *
 *  - The new \phpseclib3\Crypt\* cipher class should extend \phpseclib3\Crypt\Common\SymmetricKey
 *
 *  - Following methods are then required to be overridden/overloaded:
 *
 *    - encryptBlock()
 *
 *    - decryptBlock()
 *
 *    - setupKey()
 *
 *  - All other methods are optional to be overridden/overloaded
 *
 *  - Look at the source code of the current ciphers how they extend \phpseclib3\Crypt\Common\SymmetricKey
 *    and take one of them as a start up for the new cipher class.
 *
 *  - Please read all the other comments/notes/hints here also for each class var/method
 *
 * @category  Crypt
 * @package   Base
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt\Common;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Hash;
use phpseclib3\Exception\BadDecryptionException;
use phpseclib3\Exception\BadModeException;
use phpseclib3\Exception\InconsistentSetupException;
use phpseclib3\Exception\InsufficientSetupException;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\BinaryField;
use phpseclib3\Math\PrimeField;

/**
 * Base Class for all \phpseclib3\Crypt\* cipher classes
 *
 * @package Base
 * @author  Jim Wigginton <terrafrost@php.net>
 * @author  Hans-Juergen Petrich <petrich@tronic-media.com>
 */
abstract class SymmetricKey
{
    /**
     * Encrypt / decrypt using the Counter mode.
     *
     * Set to -1 since that's what Crypt/Random.php uses to index the CTR mode.
     *
     * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Counter_.28CTR.29
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_CTR = -1;
    /**
     * Encrypt / decrypt using the Electronic Code Book mode.
     *
     * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Electronic_codebook_.28ECB.29
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_ECB = 1;
    /**
     * Encrypt / decrypt using the Code Book Chaining mode.
     *
     * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher-block_chaining_.28CBC.29
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_CBC = 2;
    /**
     * Encrypt / decrypt using the Cipher Feedback mode.
     *
     * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Cipher_feedback_.28CFB.29
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_CFB = 3;
    /**
     * Encrypt / decrypt using the Cipher Feedback mode (8bit)
     *
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_CFB8 = 7;
    /**
     * Encrypt / decrypt using the Output Feedback mode (8bit)
     *
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_OFB8 = 8;
    /**
     * Encrypt / decrypt using the Output Feedback mode.
     *
     * @link http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation#Output_feedback_.28OFB.29
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_OFB = 4;
    /**
     * Encrypt / decrypt using Galois/Counter mode.
     *
     * @link https://en.wikipedia.org/wiki/Galois/Counter_Mode
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_GCM = 5;
    /**
     * Encrypt / decrypt using streaming mode.
     *
     * @access public
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     */
    const MODE_STREAM = 6;

    /**
     * Mode Map
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const MODE_MAP = [
        'ctr'    => self::MODE_CTR,
        'ecb'    => self::MODE_ECB,
        'cbc'    => self::MODE_CBC,
        'cfb'    => self::MODE_CFB,
        'cfb8'   => self::MODE_CFB8,
        'ofb'    => self::MODE_OFB,
        'ofb8'   => self::MODE_OFB8,
        'gcm'    => self::MODE_GCM,
        'stream' => self::MODE_STREAM
    ];

    /**
     * Base value for the internal implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_INTERNAL = 1;
    /**
     * Base value for the eval() implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_EVAL = 2;
    /**
     * Base value for the mcrypt implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_MCRYPT = 3;
    /**
     * Base value for the openssl implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_OPENSSL = 4;
    /**
     * Base value for the libsodium implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_LIBSODIUM = 5;
    /**
     * Base value for the openssl / gcm implementation $engine switch
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     */
    const ENGINE_OPENSSL_GCM = 6;

    /**
     * Engine Reverse Map
     *
     * @access private
     * @see \phpseclib3\Crypt\Common\SymmetricKey::getEngine()
     */
    const ENGINE_MAP = [
        self::ENGINE_INTERNAL    => 'PHP',
        self::ENGINE_EVAL        => 'Eval',
        self::ENGINE_MCRYPT      => 'mcrypt',
        self::ENGINE_OPENSSL     => 'OpenSSL',
        self::ENGINE_LIBSODIUM   => 'libsodium',
        self::ENGINE_OPENSSL_GCM => 'OpenSSL (GCM)'
    ];

    /**
     * The Encryption Mode
     *
     * @see self::__construct()
     * @var int
     * @access private
     */
    protected $mode;

    /**
     * The Block Length of the block cipher
     *
     * @var int
     * @access private
     */
    protected $block_size = 16;

    /**
     * The Key
     *
     * @see self::setKey()
     * @var string
     * @access private
     */
    protected $key = false;

    /**
     * The Initialization Vector
     *
     * @see self::setIV()
     * @var string
     * @access private
     */
    protected $iv = false;

    /**
     * A "sliding" Initialization Vector
     *
     * @see self::enableContinuousBuffer()
     * @see self::clearBuffers()
     * @var string
     * @access private
     */
    protected $encryptIV;

    /**
     * A "sliding" Initialization Vector
     *
     * @see self::enableContinuousBuffer()
     * @see self::clearBuffers()
     * @var string
     * @access private
     */
    protected $decryptIV;

    /**
     * Continuous Buffer status
     *
     * @see self::enableContinuousBuffer()
     * @var bool
     * @access private
     */
    protected $continuousBuffer = false;

    /**
     * Encryption buffer for CTR, OFB and CFB modes
     *
     * @see self::encrypt()
     * @see self::clearBuffers()
     * @var array
     * @access private
     */
    protected $enbuffer;

    /**
     * Decryption buffer for CTR, OFB and CFB modes
     *
     * @see self::decrypt()
     * @see self::clearBuffers()
     * @var array
     * @access private
     */
    protected $debuffer;

    /**
     * mcrypt resource for encryption
     *
     * The mcrypt resource can be recreated every time something needs to be created or it can be created just once.
     * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode.
     *
     * @see self::encrypt()
     * @var resource
     * @access private
     */
    private $enmcrypt;

    /**
     * mcrypt resource for decryption
     *
     * The mcrypt resource can be recreated every time something needs to be created or it can be created just once.
     * Since mcrypt operates in continuous mode, by default, it'll need to be recreated when in non-continuous mode.
     *
     * @see self::decrypt()
     * @var resource
     * @access private
     */
    private $demcrypt;

    /**
     * Does the enmcrypt resource need to be (re)initialized?
     *
     * @see \phpseclib3\Crypt\Twofish::setKey()
     * @see \phpseclib3\Crypt\Twofish::setIV()
     * @var bool
     * @access private
     */
    private $enchanged = true;

    /**
     * Does the demcrypt resource need to be (re)initialized?
     *
     * @see \phpseclib3\Crypt\Twofish::setKey()
     * @see \phpseclib3\Crypt\Twofish::setIV()
     * @var bool
     * @access private
     */
    private $dechanged = true;

    /**
     * mcrypt resource for CFB mode
     *
     * mcrypt's CFB mode, in (and only in) buffered context,
     * is broken, so phpseclib implements the CFB mode by it self,
     * even when the mcrypt php extension is available.
     *
     * In order to do the CFB-mode work (fast) phpseclib
     * use a separate ECB-mode mcrypt resource.
     *
     * @link http://phpseclib.sourceforge.net/cfb-demo.phps
     * @see self::encrypt()
     * @see self::decrypt()
     * @see self::setupMcrypt()
     * @var resource
     * @access private
     */
    private $ecb;

    /**
     * Optimizing value while CFB-encrypting
     *
     * Only relevant if $continuousBuffer enabled
     * and $engine == self::ENGINE_MCRYPT
     *
     * It's faster to re-init $enmcrypt if
     * $buffer bytes > $cfb_init_len than
     * using the $ecb resource furthermore.
     *
     * This value depends of the chosen cipher
     * and the time it would be needed for it's
     * initialization [by mcrypt_generic_init()]
     * which, typically, depends on the complexity
     * on its internaly Key-expanding algorithm.
     *
     * @see self::encrypt()
     * @var int
     * @access private
     */
    protected $cfb_init_len = 600;

    /**
     * Does internal cipher state need to be (re)initialized?
     *
     * @see self::setKey()
     * @see self::setIV()
     * @see self::disableContinuousBuffer()
     * @var bool
     * @access private
     */
    protected $changed = true;

    /**
     * Does Eval engie need to be (re)initialized?
     *
     * @see self::setup()
     * @var bool
     * @access private
     */
    protected $nonIVChanged = true;

    /**
     * Padding status
     *
     * @see self::enablePadding()
     * @var bool
     * @access private
     */
    private $padding = true;

    /**
     * Is the mode one that is paddable?
     *
     * @see self::__construct()
     * @var bool
     * @access private
     */
    private $paddable = false;

    /**
     * Holds which crypt engine internaly should be use,
     * which will be determined automatically on __construct()
     *
     * Currently available $engines are:
     * - self::ENGINE_LIBSODIUM   (very fast, php-extension: libsodium, extension_loaded('libsodium') required)
     * - self::ENGINE_OPENSSL_GCM (very fast, php-extension: openssl, extension_loaded('openssl') required)
     * - self::ENGINE_OPENSSL     (very fast, php-extension: openssl, extension_loaded('openssl') required)
     * - self::ENGINE_MCRYPT      (fast, php-extension: mcrypt, extension_loaded('mcrypt') required)
     * - self::ENGINE_EVAL        (medium, pure php-engine, no php-extension required)
     * - self::ENGINE_INTERNAL    (slower, pure php-engine, no php-extension required)
     *
     * @see self::setEngine()
     * @see self::encrypt()
     * @see self::decrypt()
     * @var int
     * @access private
     */
    protected $engine;

    /**
     * Holds the preferred crypt engine
     *
     * @see self::setEngine()
     * @see self::setPreferredEngine()
     * @var int
     * @access private
     */
    private $preferredEngine;

    /**
     * The mcrypt specific name of the cipher
     *
     * Only used if $engine == self::ENGINE_MCRYPT
     *
     * @link http://www.php.net/mcrypt_module_open
     * @link http://www.php.net/mcrypt_list_algorithms
     * @see self::setupMcrypt()
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt;

    /**
     * The openssl specific name of the cipher
     *
     * Only used if $engine == self::ENGINE_OPENSSL
     *
     * @link http://www.php.net/openssl-get-cipher-methods
     * @var string
     * @access private
     */
    protected $cipher_name_openssl;

    /**
     * The openssl specific name of the cipher in ECB mode
     *
     * If OpenSSL does not support the mode we're trying to use (CTR)
     * it can still be emulated with ECB mode.
     *
     * @link http://www.php.net/openssl-get-cipher-methods
     * @var string
     * @access private
     */
    protected $cipher_name_openssl_ecb;

    /**
     * The default salt used by setPassword()
     *
     * @see self::setPassword()
     * @var string
     * @access private
     */
    private $password_default_salt = 'phpseclib/salt';

    /**
     * The name of the performance-optimized callback function
     *
     * Used by encrypt() / decrypt()
     * only if $engine == self::ENGINE_INTERNAL
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @see self::setupInlineCrypt()
     * @var Callback
     * @access private
     */
    protected $inline_crypt;

    /**
     * If OpenSSL can be used in ECB but not in CTR we can emulate CTR
     *
     * @see self::openssl_ctr_process()
     * @var bool
     * @access private
     */
    private $openssl_emulate_ctr = false;

    /**
     * Don't truncate / null pad key
     *
     * @see self::clearBuffers()
     * @var bool
     * @access private
     */
    private $skip_key_adjustment = false;

    /**
     * Has the key length explicitly been set or should it be derived from the key, itself?
     *
     * @see self::setKeyLength()
     * @var bool
     * @access private
     */
    protected $explicit_key_length = false;

    /**
     * Hash subkey for GHASH
     *
     * @see self::setupGCM()
     * @see self::ghash()
     * @var BinaryField\Integer
     * @access private
     */
    private $h;

    /**
     * Additional authenticated data
     *
     * @var string
     * @access private
     */
    protected $aad = '';

    /**
     * Authentication Tag produced after a round of encryption
     *
     * @var string
     * @access private
     */
    protected $newtag = false;

    /**
     * Authentication Tag to be verified during decryption
     *
     * @var string
     * @access private
     */
    protected $oldtag = false;

    /**
     * GCM Binary Field
     *
     * @see self::__construct()
     * @see self::ghash()
     * @var BinaryField
     * @access private
     */
    private static $gcmField;

    /**
     * Poly1305 Prime Field
     *
     * @see self::enablePoly1305()
     * @see self::poly1305()
     * @var PrimeField
     * @access private
     */
    private static $poly1305Field;

    /**
     * Poly1305 Key
     *
     * @see self::setPoly1305Key()
     * @see self::poly1305()
     * @var string
     * @access private
     */
    protected $poly1305Key;

    /**
     * Poly1305 Flag
     *
     * @see self::setPoly1305Key()
     * @see self::enablePoly1305()
     * @var boolean
     * @access private
     */
    protected $usePoly1305 = false;

    /**
     * The Original Initialization Vector
     *
     * GCM uses the nonce to build the IV but we want to be able to distinguish between nonce-derived
     * IV's and user-set IV's
     *
     * @see self::setIV()
     * @var string
     * @access private
     */
    private $origIV = false;

    /**
     * Nonce
     *
     * Only used with GCM. We could re-use setIV() but nonce's can be of a different length and
     * toggling between GCM and other modes could be more complicated if we re-used setIV()
     *
     * @see self::setNonce()
     * @var string
     * @access private
     */
    protected $nonce = false;

    /**
     * Default Constructor.
     *
     * $mode could be:
     *
     * - ecb
     *
     * - cbc
     *
     * - ctr
     *
     * - cfb
     *
     * - cfb8
     *
     * - ofb
     *
     * - ofb8
     *
     * - gcm
     *
     * @param string $mode
     * @access public
     * @throws BadModeException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        $mode = strtolower($mode);
        // necessary because of 5.6 compatibility; we can't do isset(self::MODE_MAP[$mode]) in 5.6
        $map = self::MODE_MAP;
        if (!isset($map[$mode])) {
            throw new BadModeException('No valid mode has been specified');
        }

        $mode = self::MODE_MAP[$mode];

        // $mode dependent settings
        switch ($mode) {
            case self::MODE_ECB:
            case self::MODE_CBC:
                $this->paddable = true;
                break;
            case self::MODE_CTR:
            case self::MODE_CFB:
            case self::MODE_CFB8:
            case self::MODE_OFB:
            case self::MODE_OFB8:
            case self::MODE_STREAM:
                $this->paddable = false;
                break;
            case self::MODE_GCM:
                if ($this->block_size != 16) {
                    throw new BadModeException('GCM is only valid for block ciphers with a block size of 128 bits');
                }
                if (!isset(self::$gcmField)) {
                    self::$gcmField = new BinaryField(128, 7, 2, 1, 0);
                }
                $this->paddable = false;
                break;
            default:
                throw new BadModeException('No valid mode has been specified');
        }

        $this->mode = $mode;
    }

    /**
     * Sets the initialization vector.
     *
     * setIV() is not required when ecb or gcm modes are being used.
     *
     * {@internal Can be overwritten by a sub class, but does not have to be}
     *
     * @access public
     * @param string $iv
     * @throws \LengthException if the IV length isn't equal to the block size
     * @throws \BadMethodCallException if an IV is provided when one shouldn't be
     */
    public function setIV($iv)
    {
        if ($this->mode == self::MODE_ECB) {
            throw new \BadMethodCallException('This mode does not require an IV.');
        }

        if ($this->mode == self::MODE_GCM) {
            throw new \BadMethodCallException('Use setNonce instead');
        }

        if (!$this->usesIV()) {
            throw new \BadMethodCallException('This algorithm does not use an IV.');
        }

        if (strlen($iv) != $this->block_size) {
            throw new \LengthException('Received initialization vector of size ' . strlen($iv) . ', but size ' . $this->block_size . ' is required');
        }

        $this->iv = $this->origIV = $iv;
        $this->changed = true;
    }

    /**
     * Enables Poly1305 mode.
     *
     * Once enabled Poly1305 cannot be disabled.
     *
     * @access public
     * @throws \BadMethodCallException if Poly1305 is enabled whilst in GCM mode
     */
    public function enablePoly1305()
    {
        if ($this->mode == self::MODE_GCM) {
            throw new \BadMethodCallException('Poly1305 cannot be used in GCM mode');
        }

        $this->usePoly1305 = true;
    }

    /**
     * Enables Poly1305 mode.
     *
     * Once enabled Poly1305 cannot be disabled. If $key is not passed then an attempt to call createPoly1305Key
     * will be made.
     *
     * @access public
     * @param string $key optional
     * @throws \LengthException if the key isn't long enough
     * @throws \BadMethodCallException if Poly1305 is enabled whilst in GCM mode
     */
    public function setPoly1305Key($key = null)
    {
        if ($this->mode == self::MODE_GCM) {
            throw new \BadMethodCallException('Poly1305 cannot be used in GCM mode');
        }

        if (!is_string($key) || strlen($key) != 32) {
            throw new \LengthException('The Poly1305 key must be 32 bytes long (256 bits)');
        }

        if (!isset(self::$poly1305Field)) {
            // 2^130-5
            self::$poly1305Field = new PrimeField(new BigInteger('3fffffffffffffffffffffffffffffffb', 16));
        }

        $this->poly1305Key = $key;
        $this->usePoly1305 = true;
    }

    /**
     * Sets the nonce.
     *
     * setNonce() is only required when gcm is used
     *
     * @access public
     * @param string $nonce
     * @throws \BadMethodCallException if an nonce is provided when one shouldn't be
     */
    public function setNonce($nonce)
    {
        if ($this->mode != self::MODE_GCM) {
            throw new \BadMethodCallException('Nonces are only used in GCM mode.');
        }

        $this->nonce = $nonce;
        $this->setEngine();
    }

    /**
     * Sets additional authenticated data
     *
     * setAAD() is only used by gcm or in poly1305 mode
     *
     * @access public
     * @param string $aad
     * @throws \BadMethodCallException if mode isn't GCM or if poly1305 isn't being utilized
     */
    public function setAAD($aad)
    {
        if ($this->mode != self::MODE_GCM && !$this->usePoly1305) {
            throw new \BadMethodCallException('Additional authenticated data is only utilized in GCM mode or with Poly1305');
        }

        $this->aad = $aad;
    }

    /**
     * Returns whether or not the algorithm uses an IV
     *
     * @access public
     * @return bool
     */
    public function usesIV()
    {
        return $this->mode != self::MODE_GCM && $this->mode != self::MODE_ECB;
    }

    /**
     * Returns whether or not the algorithm uses a nonce
     *
     * @access public
     * @return bool
     */
    public function usesNonce()
    {
        return $this->mode == self::MODE_GCM;
    }

    /**
     * Returns the current key length in bits
     *
     * @access public
     * @return int
     */
    public function getKeyLength()
    {
        return $this->key_length << 3;
    }

    /**
     * Returns the current block length in bits
     *
     * @access public
     * @return int
     */
    public function getBlockLength()
    {
        return $this->block_size << 3;
    }

    /**
     * Returns the current block length in bytes
     *
     * @access public
     * @return int
     */
    public function getBlockLengthInBytes()
    {
        return $this->block_size;
    }

    /**
     * Sets the key length.
     *
     * Keys with explicitly set lengths need to be treated accordingly
     *
     * @access public
     * @param int $length
     */
    public function setKeyLength($length)
    {
        $this->explicit_key_length = $length >> 3;

        if (is_string($this->key) && strlen($this->key) != $this->explicit_key_length) {
            $this->key = false;
            throw new InconsistentSetupException('Key has already been set and is not ' . $this->explicit_key_length . ' bytes long');
        }
    }

    /**
     * Sets the key.
     *
     * The min/max length(s) of the key depends on the cipher which is used.
     * If the key not fits the length(s) of the cipher it will paded with null bytes
     * up to the closest valid key length.  If the key is more than max length,
     * we trim the excess bits.
     *
     * If the key is not explicitly set, it'll be assumed to be all null bytes.
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @access public
     * @param string $key
     */
    public function setKey($key)
    {
        if ($this->explicit_key_length !== false && strlen($key) != $this->explicit_key_length) {
            throw new InconsistentSetupException('Key length has already been set to ' . $this->explicit_key_length . ' bytes and this key is ' . strlen($key) . ' bytes');
        }

        $this->key = $key;
        $this->key_length = strlen($key);
        $this->setEngine();
    }

    /**
     * Sets the password.
     *
     * Depending on what $method is set to, setPassword()'s (optional) parameters are as follows:
     *     {@link http://en.wikipedia.org/wiki/PBKDF2 pbkdf2} or pbkdf1:
     *         $hash, $salt, $count, $dkLen
     *
     *         Where $hash (default = sha1) currently supports the following hashes: see: Crypt/Hash.php
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see Crypt/Hash.php
     * @param string $password
     * @param string $method
     * @param string[] ...$func_args
     * @throws \LengthException if pbkdf1 is being used and the derived key length exceeds the hash length
     * @return bool
     * @access public
     */
    public function setPassword($password, $method = 'pbkdf2', ...$func_args)
    {
        $key = '';

        $method = strtolower($method);
        switch ($method) {
            case 'pkcs12': // from https://tools.ietf.org/html/rfc7292#appendix-B.2
            case 'pbkdf1':
            case 'pbkdf2':
                // Hash function
                $hash = isset($func_args[0]) ? strtolower($func_args[0]) : 'sha1';
                $hashObj = new Hash();
                $hashObj->setHash($hash);

                // WPA and WPA2 use the SSID as the salt
                $salt = isset($func_args[1]) ? $func_args[1] : $this->password_default_salt;

                // RFC2898#section-4.2 uses 1,000 iterations by default
                // WPA and WPA2 use 4,096.
                $count = isset($func_args[2]) ? $func_args[2] : 1000;

                // Keylength
                if (isset($func_args[3])) {
                    if ($func_args[3] <= 0) {
                        throw new \LengthException('Derived key length cannot be longer 0 or less');
                    }
                    $dkLen = $func_args[3];
                } else {
                    $key_length = $this->explicit_key_length !== false ? $this->explicit_key_length : $this->key_length;
                    $dkLen = $method == 'pbkdf1' ? 2 * $key_length : $key_length;
                }

                switch (true) {
                    case $method == 'pkcs12':
                        /*
                         In this specification, however, all passwords are created from
                         BMPStrings with a NULL terminator.  This means that each character in
                         the original BMPString is encoded in 2 bytes in big-endian format
                         (most-significant byte first).  There are no Unicode byte order
                         marks.  The 2 bytes produced from the last character in the BMPString
                         are followed by 2 additional bytes with the value 0x00.

                         -- https://tools.ietf.org/html/rfc7292#appendix-B.1
                         */
                        $password = "\0" . chunk_split($password, 1, "\0") . "\0";

                        /*
                         This standard specifies 3 different values for the ID byte mentioned
                         above:

                         1.  If ID=1, then the pseudorandom bits being produced are to be used
                             as key material for performing encryption or decryption.

                         2.  If ID=2, then the pseudorandom bits being produced are to be used
                             as an IV (Initial Value) for encryption or decryption.

                         3.  If ID=3, then the pseudorandom bits being produced are to be used
                             as an integrity key for MACing.
                         */
                        // Construct a string, D (the "diversifier"), by concatenating v/8
                        // copies of ID.
                        $blockLength = $hashObj->getBlockLengthInBytes();
                        $d1 = str_repeat(chr(1), $blockLength);
                        $d2 = str_repeat(chr(2), $blockLength);
                        $s = '';
                        if (strlen($salt)) {
                            while (strlen($s) < $blockLength) {
                                $s .= $salt;
                            }
                        }
                        $s = substr($s, 0, $blockLength);

                        $p = '';
                        if (strlen($password)) {
                            while (strlen($p) < $blockLength) {
                                $p .= $password;
                            }
                        }
                        $p = substr($p, 0, $blockLength);

                        $i = $s . $p;

                        $this->setKey(self::pkcs12helper($dkLen, $hashObj, $i, $d1, $count));
                        if ($this->usesIV()) {
                            $this->setIV(self::pkcs12helper($this->block_size, $hashObj, $i, $d2, $count));
                        }

                        return true;
                    case $method == 'pbkdf1':
                        if ($dkLen > $hashObj->getLengthInBytes()) {
                            throw new \LengthException('Derived key length cannot be longer than the hash length');
                        }
                        $t = $password . $salt;
                        for ($i = 0; $i < $count; ++$i) {
                            $t = $hashObj->hash($t);
                        }
                        $key = substr($t, 0, $dkLen);

                        $this->setKey(substr($key, 0, $dkLen >> 1));
                        if ($this->usesIV()) {
                            $this->setIV(substr($key, $dkLen >> 1));
                        }

                        return true;
                    case !in_array($hash, hash_algos()):
                        $i = 1;
                        $hashObj->setKey($password);
                        while (strlen($key) < $dkLen) {
                            $f = $u = $hashObj->hash($salt . pack('N', $i++));
                            for ($j = 2; $j <= $count; ++$j) {
                                $u = $hashObj->hash($u);
                                $f ^= $u;
                            }
                            $key .= $f;
                        }
                        $key = substr($key, 0, $dkLen);
                        break;
                    default:
                        $key = hash_pbkdf2($hash, $password, $salt, $count, $dkLen, true);
                }
                break;
            default:
                throw new UnsupportedAlgorithmException($method . ' is not a supported password hashing method');
        }

        $this->setKey($key);

        return true;
    }

    /**
     * PKCS#12 KDF Helper Function
     *
     * As discussed here:
     *
     * {@link https://tools.ietf.org/html/rfc7292#appendix-B}
     *
     * @see self::setPassword()
     * @access private
     * @param int $n
     * @param \phpseclib3\Crypt\Hash $hashObj
     * @param string $i
     * @param string $d
     * @param int $count
     * @return string $a
     */
    private static function pkcs12helper($n, $hashObj, $i, $d, $count)
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        $blockLength = $hashObj->getBlockLength() >> 3;

        $c = ceil($n / $hashObj->getLengthInBytes());
        $a = '';
        for ($j = 1; $j <= $c; $j++) {
            $ai = $d . $i;
            for ($k = 0; $k < $count; $k++) {
                $ai = $hashObj->hash($ai);
            }
            $b = '';
            while (strlen($b) < $blockLength) {
                $b .= $ai;
            }
            $b = substr($b, 0, $blockLength);
            $b = new BigInteger($b, 256);
            $newi = '';
            for ($k = 0; $k < strlen($i); $k += $blockLength) {
                $temp = substr($i, $k, $blockLength);
                $temp = new BigInteger($temp, 256);
                $temp->setPrecision($blockLength << 3);
                $temp = $temp->add($b);
                $temp = $temp->add($one);
                $newi .= $temp->toBytes(false);
            }
            $i = $newi;
            $a .= $ai;
        }

        return substr($a, 0, $n);
    }

    /**
     * Encrypts a message.
     *
     * $plaintext will be padded with additional bytes such that it's length is a multiple of the block size. Other cipher
     * implementations may or may not pad in the same manner.  Other common approaches to padding and the reasons why it's
     * necessary are discussed in the following
     * URL:
     *
     * {@link http://www.di-mgt.com.au/cryptopad.html http://www.di-mgt.com.au/cryptopad.html}
     *
     * An alternative to padding is to, separately, send the length of the file.  This is what SSH, in fact, does.
     * strlen($plaintext) will still need to be a multiple of the block size, however, arbitrary values can be added to make it that
     * length.
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::decrypt()
     * @access public
     * @param string $plaintext
     * @return string $ciphertext
     */
    public function encrypt($plaintext)
    {
        if ($this->paddable) {
            $plaintext = $this->pad($plaintext);
        }

        $this->setup();

        if ($this->mode == self::MODE_GCM) {
            $oldIV = $this->iv;
            Strings::increment_str($this->iv);
            $cipher = new static('ctr');
            $cipher->setKey($this->key);
            $cipher->setIV($this->iv);
            $ciphertext = $cipher->encrypt($plaintext);

            $s = $this->ghash(
                self::nullPad128($this->aad) .
                self::nullPad128($ciphertext) .
                self::len64($this->aad) .
                self::len64($ciphertext)
            );
            $cipher->encryptIV = $this->iv = $this->encryptIV = $this->decryptIV = $oldIV;
            $this->newtag = $cipher->encrypt($s);
            return $ciphertext;
        }

        if (isset($this->poly1305Key)) {
            $cipher = clone $this;
            unset($cipher->poly1305Key);
            $this->usePoly1305 = false;
            $ciphertext = $cipher->encrypt($plaintext);
            $this->newtag = $this->poly1305($ciphertext);
            return $ciphertext;
        }

        if ($this->engine === self::ENGINE_OPENSSL) {
            switch ($this->mode) {
                case self::MODE_STREAM:
                    return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                case self::MODE_ECB:
                    return openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                case self::MODE_CBC:
                    $result = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->encryptIV);
                    if ($this->continuousBuffer) {
                        $this->encryptIV = substr($result, -$this->block_size);
                    }
                    return $result;
                case self::MODE_CTR:
                    return $this->openssl_ctr_process($plaintext, $this->encryptIV, $this->enbuffer);
                case self::MODE_CFB:
                    // cfb loosely routines inspired by openssl's:
                    // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1}
                    $ciphertext = '';
                    if ($this->continuousBuffer) {
                        $iv = &$this->encryptIV;
                        $pos = &$this->enbuffer['pos'];
                    } else {
                        $iv = $this->encryptIV;
                        $pos = 0;
                    }
                    $len = strlen($plaintext);
                    $i = 0;
                    if ($pos) {
                        $orig_pos = $pos;
                        $max = $this->block_size - $pos;
                        if ($len >= $max) {
                            $i = $max;
                            $len -= $max;
                            $pos = 0;
                        } else {
                            $i = $len;
                            $pos += $len;
                            $len = 0;
                        }
                        // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
                        $ciphertext = substr($iv, $orig_pos) ^ $plaintext;
                        $iv = substr_replace($iv, $ciphertext, $orig_pos, $i);
                        $plaintext = substr($plaintext, $i);
                    }

                    $overflow = $len % $this->block_size;

                    if ($overflow) {
                        $ciphertext .= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
                        $iv = Strings::pop($ciphertext, $this->block_size);

                        $size = $len - $overflow;
                        $block = $iv ^ substr($plaintext, -$overflow);
                        $iv = substr_replace($iv, $block, 0, $overflow);
                        $ciphertext .= $block;
                        $pos = $overflow;
                    } elseif ($len) {
                        $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
                        $iv = substr($ciphertext, -$this->block_size);
                    }

                    return $ciphertext;
                case self::MODE_CFB8:
                    $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->encryptIV);
                    if ($this->continuousBuffer) {
                        if (($len = strlen($ciphertext)) >= $this->block_size) {
                            $this->encryptIV = substr($ciphertext, -$this->block_size);
                        } else {
                            $this->encryptIV = substr($this->encryptIV, $len - $this->block_size) . substr($ciphertext, -$len);
                        }
                    }
                    return $ciphertext;
                case self::MODE_OFB8:
                    $ciphertext = '';
                    $len = strlen($plaintext);
                    $iv = $this->encryptIV;

                    for ($i = 0; $i < $len; ++$i) {
                        $xor = openssl_encrypt($iv, $this->cipher_name_openssl_ecb, $this->key, $this->openssl_options, $this->decryptIV);
                        $ciphertext .= $plaintext[$i] ^ $xor;
                        $iv = substr($iv, 1) . $xor[0];
                    }

                    if ($this->continuousBuffer) {
                        $this->encryptIV = $iv;
                    }
                    break;
                case self::MODE_OFB:
                    return $this->openssl_ofb_process($plaintext, $this->encryptIV, $this->enbuffer);
            }
        }

        if ($this->engine === self::ENGINE_MCRYPT) {
            set_error_handler(function () {
            });
            if ($this->enchanged) {
                mcrypt_generic_init($this->enmcrypt, $this->key, $this->getIV($this->encryptIV));
                $this->enchanged = false;
            }

            // re: {@link http://phpseclib.sourceforge.net/cfb-demo.phps}
            // using mcrypt's default handing of CFB the above would output two different things.  using phpseclib's
            // rewritten CFB implementation the above outputs the same thing twice.
            if ($this->mode == self::MODE_CFB && $this->continuousBuffer) {
                $block_size = $this->block_size;
                $iv = &$this->encryptIV;
                $pos = &$this->enbuffer['pos'];
                $len = strlen($plaintext);
                $ciphertext = '';
                $i = 0;
                if ($pos) {
                    $orig_pos = $pos;
                    $max = $block_size - $pos;
                    if ($len >= $max) {
                        $i = $max;
                        $len -= $max;
                        $pos = 0;
                    } else {
                        $i = $len;
                        $pos += $len;
                        $len = 0;
                    }
                    $ciphertext = substr($iv, $orig_pos) ^ $plaintext;
                    $iv = substr_replace($iv, $ciphertext, $orig_pos, $i);
                    $this->enbuffer['enmcrypt_init'] = true;
                }
                if ($len >= $block_size) {
                    if ($this->enbuffer['enmcrypt_init'] === false || $len > $this->cfb_init_len) {
                        if ($this->enbuffer['enmcrypt_init'] === true) {
                            mcrypt_generic_init($this->enmcrypt, $this->key, $iv);
                            $this->enbuffer['enmcrypt_init'] = false;
                        }
                        $ciphertext .= mcrypt_generic($this->enmcrypt, substr($plaintext, $i, $len - $len % $block_size));
                        $iv = substr($ciphertext, -$block_size);
                        $len %= $block_size;
                    } else {
                        while ($len >= $block_size) {
                            $iv = mcrypt_generic($this->ecb, $iv) ^ substr($plaintext, $i, $block_size);
                            $ciphertext .= $iv;
                            $len -= $block_size;
                            $i += $block_size;
                        }
                    }
                }

                if ($len) {
                    $iv = mcrypt_generic($this->ecb, $iv);
                    $block = $iv ^ substr($plaintext, -$len);
                    $iv = substr_replace($iv, $block, 0, $len);
                    $ciphertext .= $block;
                    $pos = $len;
                }

                restore_error_handler();

                return $ciphertext;
            }

            $ciphertext = mcrypt_generic($this->enmcrypt, $plaintext);

            if (!$this->continuousBuffer) {
                mcrypt_generic_init($this->enmcrypt, $this->key, $this->getIV($this->encryptIV));
            }

            restore_error_handler();

            return $ciphertext;
        }

        if ($this->engine === self::ENGINE_EVAL) {
            $inline = $this->inline_crypt;
            return $inline('encrypt', $plaintext);
        }

        $buffer = &$this->enbuffer;
        $block_size = $this->block_size;
        $ciphertext = '';
        switch ($this->mode) {
            case self::MODE_ECB:
                for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                    $ciphertext .= $this->encryptBlock(substr($plaintext, $i, $block_size));
                }
                break;
            case self::MODE_CBC:
                $xor = $this->encryptIV;
                for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                    $block = substr($plaintext, $i, $block_size);
                    $block = $this->encryptBlock($block ^ $xor);
                    $xor = $block;
                    $ciphertext .= $block;
                }
                if ($this->continuousBuffer) {
                    $this->encryptIV = $xor;
                }
                break;
            case self::MODE_CTR:
                $xor = $this->encryptIV;
                if (strlen($buffer['ciphertext'])) {
                    for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                        $block = substr($plaintext, $i, $block_size);
                        if (strlen($block) > strlen($buffer['ciphertext'])) {
                            $buffer['ciphertext'] .= $this->encryptBlock($xor);
                            Strings::increment_str($xor);
                        }
                        $key = Strings::shift($buffer['ciphertext'], $block_size);
                        $ciphertext .= $block ^ $key;
                    }
                } else {
                    for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                        $block = substr($plaintext, $i, $block_size);
                        $key = $this->encryptBlock($xor);
                        Strings::increment_str($xor);
                        $ciphertext .= $block ^ $key;
                    }
                }
                if ($this->continuousBuffer) {
                    $this->encryptIV = $xor;
                    if ($start = strlen($plaintext) % $block_size) {
                        $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext'];
                    }
                }
                break;
            case self::MODE_CFB:
                // cfb loosely routines inspired by openssl's:
                // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1}
                if ($this->continuousBuffer) {
                    $iv = &$this->encryptIV;
                    $pos = &$buffer['pos'];
                } else {
                    $iv = $this->encryptIV;
                    $pos = 0;
                }
                $len = strlen($plaintext);
                $i = 0;
                if ($pos) {
                    $orig_pos = $pos;
                    $max = $block_size - $pos;
                    if ($len >= $max) {
                        $i = $max;
                        $len -= $max;
                        $pos = 0;
                    } else {
                        $i = $len;
                        $pos += $len;
                        $len = 0;
                    }
                    // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
                    $ciphertext = substr($iv, $orig_pos) ^ $plaintext;
                    $iv = substr_replace($iv, $ciphertext, $orig_pos, $i);
                }
                while ($len >= $block_size) {
                    $iv = $this->encryptBlock($iv) ^ substr($plaintext, $i, $block_size);
                    $ciphertext .= $iv;
                    $len -= $block_size;
                    $i += $block_size;
                }
                if ($len) {
                    $iv = $this->encryptBlock($iv);
                    $block = $iv ^ substr($plaintext, $i);
                    $iv = substr_replace($iv, $block, 0, $len);
                    $ciphertext .= $block;
                    $pos = $len;
                }
                break;
            case self::MODE_CFB8:
                $ciphertext = '';
                $len = strlen($plaintext);
                $iv = $this->encryptIV;

                for ($i = 0; $i < $len; ++$i) {
                    $ciphertext .= ($c = $plaintext[$i] ^ $this->encryptBlock($iv));
                    $iv = substr($iv, 1) . $c;
                }

                if ($this->continuousBuffer) {
                    if ($len >= $block_size) {
                        $this->encryptIV = substr($ciphertext, -$block_size);
                    } else {
                        $this->encryptIV = substr($this->encryptIV, $len - $block_size) . substr($ciphertext, -$len);
                    }
                }
                break;
            case self::MODE_OFB8:
                $ciphertext = '';
                $len = strlen($plaintext);
                $iv = $this->encryptIV;

                for ($i = 0; $i < $len; ++$i) {
                    $xor = $this->encryptBlock($iv);
                    $ciphertext .= $plaintext[$i] ^ $xor;
                    $iv = substr($iv, 1) . $xor[0];
                }

                if ($this->continuousBuffer) {
                    $this->encryptIV = $iv;
                }
                break;
            case self::MODE_OFB:
                $xor = $this->encryptIV;
                if (strlen($buffer['xor'])) {
                    for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                        $block = substr($plaintext, $i, $block_size);
                        if (strlen($block) > strlen($buffer['xor'])) {
                            $xor = $this->encryptBlock($xor);
                            $buffer['xor'] .= $xor;
                        }
                        $key = Strings::shift($buffer['xor'], $block_size);
                        $ciphertext .= $block ^ $key;
                    }
                } else {
                    for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                        $xor = $this->encryptBlock($xor);
                        $ciphertext .= substr($plaintext, $i, $block_size) ^ $xor;
                    }
                    $key = $xor;
                }
                if ($this->continuousBuffer) {
                    $this->encryptIV = $xor;
                    if ($start = strlen($plaintext) % $block_size) {
                        $buffer['xor'] = substr($key, $start) . $buffer['xor'];
                    }
                }
                break;
            case self::MODE_STREAM:
                $ciphertext = $this->encryptBlock($plaintext);
                break;
        }

        return $ciphertext;
    }

    /**
     * Decrypts a message.
     *
     * If strlen($ciphertext) is not a multiple of the block size, null bytes will be added to the end of the string until
     * it is.
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::encrypt()
     * @access public
     * @param string $ciphertext
     * @return string $plaintext
     * @throws \LengthException if we're inside a block cipher and the ciphertext length is not a multiple of the block size
     */
    public function decrypt($ciphertext)
    {
        if ($this->paddable && strlen($ciphertext) % $this->block_size) {
            throw new \LengthException('The ciphertext length (' . strlen($ciphertext) . ') needs to be a multiple of the block size (' . $this->block_size . ')');
        }
        $this->setup();

        if ($this->mode == self::MODE_GCM || isset($this->poly1305Key)) {
            if ($this->oldtag === false) {
                throw new InsufficientSetupException('Authentication Tag has not been set');
            }

            if (isset($this->poly1305Key)) {
                $newtag = $this->poly1305($ciphertext);
            } else {
                $oldIV = $this->iv;
                Strings::increment_str($this->iv);
                $cipher = new static('ctr');
                $cipher->setKey($this->key);
                $cipher->setIV($this->iv);
                $plaintext = $cipher->decrypt($ciphertext);

                $s = $this->ghash(
                    self::nullPad128($this->aad) .
                    self::nullPad128($ciphertext) .
                    self::len64($this->aad) .
                    self::len64($ciphertext)
                );
                $cipher->encryptIV = $this->iv = $this->encryptIV = $this->decryptIV = $oldIV;
                $newtag = $cipher->encrypt($s);
            }
            if ($this->oldtag != substr($newtag, 0, strlen($newtag))) {
                $cipher = clone $this;
                unset($cipher->poly1305Key);
                $this->usePoly1305 = false;
                $plaintext = $cipher->decrypt($ciphertext);
                $this->oldtag = false;
                throw new BadDecryptionException('Derived authentication tag and supplied authentication tag do not match');
            }
            $this->oldtag = false;
            return $plaintext;
        }

        if ($this->engine === self::ENGINE_OPENSSL) {
            switch ($this->mode) {
                case self::MODE_STREAM:
                    $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                    break;
                case self::MODE_ECB:
                    $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                    break;
                case self::MODE_CBC:
                    $offset = $this->block_size;
                    $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->decryptIV);
                    if ($this->continuousBuffer) {
                        $this->decryptIV = substr($ciphertext, -$offset, $this->block_size);
                    }
                    break;
                case self::MODE_CTR:
                    $plaintext = $this->openssl_ctr_process($ciphertext, $this->decryptIV, $this->debuffer);
                    break;
                case self::MODE_CFB:
                    // cfb loosely routines inspired by openssl's:
                    // {@link http://cvs.openssl.org/fileview?f=openssl/crypto/modes/cfb128.c&v=1.3.2.2.2.1}
                    $plaintext = '';
                    if ($this->continuousBuffer) {
                        $iv = &$this->decryptIV;
                        $pos = &$this->buffer['pos'];
                    } else {
                        $iv = $this->decryptIV;
                        $pos = 0;
                    }
                    $len = strlen($ciphertext);
                    $i = 0;
                    if ($pos) {
                        $orig_pos = $pos;
                        $max = $this->block_size - $pos;
                        if ($len >= $max) {
                            $i = $max;
                            $len -= $max;
                            $pos = 0;
                        } else {
                            $i = $len;
                            $pos += $len;
                            $len = 0;
                        }
                        // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $this->blocksize
                        $plaintext = substr($iv, $orig_pos) ^ $ciphertext;
                        $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i);
                        $ciphertext = substr($ciphertext, $i);
                    }
                    $overflow = $len % $this->block_size;
                    if ($overflow) {
                        $plaintext .= openssl_decrypt(substr($ciphertext, 0, -$overflow), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
                        if ($len - $overflow) {
                            $iv = substr($ciphertext, -$overflow - $this->block_size, -$overflow);
                        }
                        $iv = openssl_encrypt(str_repeat("\0", $this->block_size), $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
                        $plaintext .= $iv ^ substr($ciphertext, -$overflow);
                        $iv = substr_replace($iv, substr($ciphertext, -$overflow), 0, $overflow);
                        $pos = $overflow;
                    } elseif ($len) {
                        $plaintext .= openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
                        $iv = substr($ciphertext, -$this->block_size);
                    }
                    break;
                case self::MODE_CFB8:
                    $plaintext = openssl_decrypt($ciphertext, $this->cipher_name_openssl, $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $this->decryptIV);
                    if ($this->continuousBuffer) {
                        if (($len = strlen($ciphertext)) >= $this->block_size) {
                            $this->decryptIV = substr($ciphertext, -$this->block_size);
                        } else {
                            $this->decryptIV = substr($this->decryptIV, $len - $this->block_size) . substr($ciphertext, -$len);
                        }
                    }
                    break;
                case self::MODE_OFB8:
                    $plaintext = '';
                    $len = strlen($ciphertext);
                    $iv = $this->decryptIV;

                    for ($i = 0; $i < $len; ++$i) {
                        $xor = openssl_encrypt($iv, $this->cipher_name_openssl_ecb, $this->key, $this->openssl_options, $this->decryptIV);
                        $plaintext .= $ciphertext[$i] ^ $xor;
                        $iv = substr($iv, 1) . $xor[0];
                    }

                    if ($this->continuousBuffer) {
                        $this->decryptIV = $iv;
                    }
                    break;
                case self::MODE_OFB:
                    $plaintext = $this->openssl_ofb_process($ciphertext, $this->decryptIV, $this->debuffer);
            }

            return $this->paddable ? $this->unpad($plaintext) : $plaintext;
        }

        if ($this->engine === self::ENGINE_MCRYPT) {
            set_error_handler(function () {
            });
            $block_size = $this->block_size;
            if ($this->dechanged) {
                mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV));
                $this->dechanged = false;
            }

            if ($this->mode == self::MODE_CFB && $this->continuousBuffer) {
                $iv = &$this->decryptIV;
                $pos = &$this->debuffer['pos'];
                $len = strlen($ciphertext);
                $plaintext = '';
                $i = 0;
                if ($pos) {
                    $orig_pos = $pos;
                    $max = $block_size - $pos;
                    if ($len >= $max) {
                        $i = $max;
                        $len -= $max;
                        $pos = 0;
                    } else {
                        $i = $len;
                        $pos += $len;
                        $len = 0;
                    }
                    // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
                    $plaintext = substr($iv, $orig_pos) ^ $ciphertext;
                    $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i);
                }
                if ($len >= $block_size) {
                    $cb = substr($ciphertext, $i, $len - $len % $block_size);
                    $plaintext .= mcrypt_generic($this->ecb, $iv . $cb) ^ $cb;
                    $iv = substr($cb, -$block_size);
                    $len %= $block_size;
                }
                if ($len) {
                    $iv = mcrypt_generic($this->ecb, $iv);
                    $plaintext .= $iv ^ substr($ciphertext, -$len);
                    $iv = substr_replace($iv, substr($ciphertext, -$len), 0, $len);
                    $pos = $len;
                }

                restore_error_handler();

                return $plaintext;
            }

            $plaintext = mdecrypt_generic($this->demcrypt, $ciphertext);

            if (!$this->continuousBuffer) {
                mcrypt_generic_init($this->demcrypt, $this->key, $this->getIV($this->decryptIV));
            }

            restore_error_handler();

            return $this->paddable ? $this->unpad($plaintext) : $plaintext;
        }

        if ($this->engine === self::ENGINE_EVAL) {
            $inline = $this->inline_crypt;
            return $inline('decrypt', $ciphertext);
        }

        $block_size = $this->block_size;

        $buffer = &$this->debuffer;
        $plaintext = '';
        switch ($this->mode) {
            case self::MODE_ECB:
                for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                    $plaintext .= $this->decryptBlock(substr($ciphertext, $i, $block_size));
                }
                break;
            case self::MODE_CBC:
                $xor = $this->decryptIV;
                for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                    $block = substr($ciphertext, $i, $block_size);
                    $plaintext .= $this->decryptBlock($block) ^ $xor;
                    $xor = $block;
                }
                if ($this->continuousBuffer) {
                    $this->decryptIV = $xor;
                }
                break;
            case self::MODE_CTR:
                $xor = $this->decryptIV;
                if (strlen($buffer['ciphertext'])) {
                    for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                        $block = substr($ciphertext, $i, $block_size);
                        if (strlen($block) > strlen($buffer['ciphertext'])) {
                            $buffer['ciphertext'] .= $this->encryptBlock($xor);
                            Strings::increment_str($xor);
                        }
                        $key = Strings::shift($buffer['ciphertext'], $block_size);
                        $plaintext .= $block ^ $key;
                    }
                } else {
                    for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                        $block = substr($ciphertext, $i, $block_size);
                        $key = $this->encryptBlock($xor);
                        Strings::increment_str($xor);
                        $plaintext .= $block ^ $key;
                    }
                }
                if ($this->continuousBuffer) {
                    $this->decryptIV = $xor;
                    if ($start = strlen($ciphertext) % $block_size) {
                        $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext'];
                    }
                }
                break;
            case self::MODE_CFB:
                if ($this->continuousBuffer) {
                    $iv = &$this->decryptIV;
                    $pos = &$buffer['pos'];
                } else {
                    $iv = $this->decryptIV;
                    $pos = 0;
                }
                $len = strlen($ciphertext);
                $i = 0;
                if ($pos) {
                    $orig_pos = $pos;
                    $max = $block_size - $pos;
                    if ($len >= $max) {
                        $i = $max;
                        $len -= $max;
                        $pos = 0;
                    } else {
                        $i = $len;
                        $pos += $len;
                        $len = 0;
                    }
                    // ie. $i = min($max, $len), $len-= $i, $pos+= $i, $pos%= $blocksize
                    $plaintext = substr($iv, $orig_pos) ^ $ciphertext;
                    $iv = substr_replace($iv, substr($ciphertext, 0, $i), $orig_pos, $i);
                }
                while ($len >= $block_size) {
                    $iv = $this->encryptBlock($iv);
                    $cb = substr($ciphertext, $i, $block_size);
                    $plaintext .= $iv ^ $cb;
                    $iv = $cb;
                    $len -= $block_size;
                    $i += $block_size;
                }
                if ($len) {
                    $iv = $this->encryptBlock($iv);
                    $plaintext .= $iv ^ substr($ciphertext, $i);
                    $iv = substr_replace($iv, substr($ciphertext, $i), 0, $len);
                    $pos = $len;
                }
                break;
            case self::MODE_CFB8:
                $plaintext = '';
                $len = strlen($ciphertext);
                $iv = $this->decryptIV;

                for ($i = 0; $i < $len; ++$i) {
                    $plaintext .= $ciphertext[$i] ^ $this->encryptBlock($iv);
                    $iv = substr($iv, 1) . $ciphertext[$i];
                }

                if ($this->continuousBuffer) {
                    if ($len >= $block_size) {
                        $this->decryptIV = substr($ciphertext, -$block_size);
                    } else {
                        $this->decryptIV = substr($this->decryptIV, $len - $block_size) . substr($ciphertext, -$len);
                    }
                }
                break;
            case self::MODE_OFB8:
                $plaintext = '';
                $len = strlen($ciphertext);
                $iv = $this->decryptIV;

                for ($i = 0; $i < $len; ++$i) {
                    $xor = $this->encryptBlock($iv);
                    $plaintext .= $ciphertext[$i] ^ $xor;
                    $iv = substr($iv, 1) . $xor[0];
                }

                if ($this->continuousBuffer) {
                    $this->decryptIV = $iv;
                }
                break;
            case self::MODE_OFB:
                $xor = $this->decryptIV;
                if (strlen($buffer['xor'])) {
                    for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                        $block = substr($ciphertext, $i, $block_size);
                        if (strlen($block) > strlen($buffer['xor'])) {
                            $xor = $this->encryptBlock($xor);
                            $buffer['xor'] .= $xor;
                        }
                        $key = Strings::shift($buffer['xor'], $block_size);
                        $plaintext .= $block ^ $key;
                    }
                } else {
                    for ($i = 0; $i < strlen($ciphertext); $i += $block_size) {
                        $xor = $this->encryptBlock($xor);
                        $plaintext .= substr($ciphertext, $i, $block_size) ^ $xor;
                    }
                    $key = $xor;
                }
                if ($this->continuousBuffer) {
                    $this->decryptIV = $xor;
                    if ($start = strlen($ciphertext) % $block_size) {
                        $buffer['xor'] = substr($key, $start) . $buffer['xor'];
                    }
                }
                break;
            case self::MODE_STREAM:
                $plaintext = $this->decryptBlock($ciphertext);
                break;
        }
        return $this->paddable ? $this->unpad($plaintext) : $plaintext;
    }

    /**
     * Get the authentication tag
     *
     * Only used in GCM or Poly1305 mode
     *
     * @see self::encrypt()
     * @param int $length optional
     * @return string
     * @access public
     * @throws \LengthException if $length isn't of a sufficient length
     * @throws \RuntimeException if GCM mode isn't being used
     */
    public function getTag($length = 16)
    {
        if ($this->mode != self::MODE_GCM && !$this->usePoly1305) {
            throw new \BadMethodCallException('Authentication tags are only utilized in GCM mode or with Poly1305');
        }

        if ($this->newtag === false) {
            throw new \BadMethodCallException('A tag can only be returned after a round of encryption has been performed');
        }

        // the tag is 128-bits. it can't be greater than 16 bytes because that's bigger than the tag is. if it
        // were 0 you might as well be doing CTR and less than 4 provides minimal security that could be trivially
        // easily brute forced.
        // see https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf#page=36
        // for more info
        if ($length < 4 || $length > 16) {
            throw new \LengthException('The authentication tag must be between 4 and 16 bytes long');
        }

        return $length == 16 ?
            $this->newtag :
            substr($this->newtag, 0, $length);
    }

    /**
     * Sets the authentication tag
     *
     * Only used in GCM mode
     *
     * @see self::decrypt()
     * @param string $tag
     * @access public
     * @throws \LengthException if $length isn't of a sufficient length
     * @throws \RuntimeException if GCM mode isn't being used
     */
    public function setTag($tag)
    {
        if ($this->usePoly1305 && !isset($this->poly1305Key) && method_exists($this, 'createPoly1305Key')) {
            $this->createPoly1305Key();
        }

        if ($this->mode != self::MODE_GCM && !$this->usePoly1305) {
            throw new \BadMethodCallException('Authentication tags are only utilized in GCM mode or with Poly1305');
        }

        $length = strlen($tag);
        if ($length < 4 || $length > 16) {
            throw new \LengthException('The authentication tag must be between 4 and 16 bytes long');
        }
        $this->oldtag = $tag;
    }

    /**
     * Get the IV
     *
     * mcrypt requires an IV even if ECB is used
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @param string $iv
     * @return string
     * @access private
     */
    protected function getIV($iv)
    {
        return $this->mode == self::MODE_ECB ? str_repeat("\0", $this->block_size) : $iv;
    }

    /**
     * OpenSSL CTR Processor
     *
     * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream
     * for CTR is the same for both encrypting and decrypting this function is re-used by both SymmetricKey::encrypt()
     * and SymmetricKey::decrypt(). Also, OpenSSL doesn't implement CTR for all of it's symmetric ciphers so this
     * function will emulate CTR with ECB when necessary.
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @param string $plaintext
     * @param string $encryptIV
     * @param array $buffer
     * @return string
     * @access private
     */
    private function openssl_ctr_process($plaintext, &$encryptIV, &$buffer)
    {
        $ciphertext = '';

        $block_size = $this->block_size;
        $key = $this->key;

        if ($this->openssl_emulate_ctr) {
            $xor = $encryptIV;
            if (strlen($buffer['ciphertext'])) {
                for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                    $block = substr($plaintext, $i, $block_size);
                    if (strlen($block) > strlen($buffer['ciphertext'])) {
                        $buffer['ciphertext'] .= openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                    }
                    Strings::increment_str($xor);
                    $otp = Strings::shift($buffer['ciphertext'], $block_size);
                    $ciphertext .= $block ^ $otp;
                }
            } else {
                for ($i = 0; $i < strlen($plaintext); $i += $block_size) {
                    $block = substr($plaintext, $i, $block_size);
                    $otp = openssl_encrypt($xor, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
                    Strings::increment_str($xor);
                    $ciphertext .= $block ^ $otp;
                }
            }
            if ($this->continuousBuffer) {
                $encryptIV = $xor;
                if ($start = strlen($plaintext) % $block_size) {
                    $buffer['ciphertext'] = substr($key, $start) . $buffer['ciphertext'];
                }
            }

            return $ciphertext;
        }

        if (strlen($buffer['ciphertext'])) {
            $ciphertext = $plaintext ^ Strings::shift($buffer['ciphertext'], strlen($plaintext));
            $plaintext = substr($plaintext, strlen($ciphertext));

            if (!strlen($plaintext)) {
                return $ciphertext;
            }
        }

        $overflow = strlen($plaintext) % $block_size;
        if ($overflow) {
            $plaintext2 = Strings::pop($plaintext, $overflow); // ie. trim $plaintext to a multiple of $block_size and put rest of $plaintext in $plaintext2
            $encrypted = openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV);
            $temp = Strings::pop($encrypted, $block_size);
            $ciphertext .= $encrypted . ($plaintext2 ^ $temp);
            if ($this->continuousBuffer) {
                $buffer['ciphertext'] = substr($temp, $overflow);
                $encryptIV = $temp;
            }
        } elseif (!strlen($buffer['ciphertext'])) {
            $ciphertext .= openssl_encrypt($plaintext . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV);
            $temp = Strings::pop($ciphertext, $block_size);
            if ($this->continuousBuffer) {
                $encryptIV = $temp;
            }
        }
        if ($this->continuousBuffer) {
            $encryptIV = openssl_decrypt($encryptIV, $this->cipher_name_openssl_ecb, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING);
            if ($overflow) {
                Strings::increment_str($encryptIV);
            }
        }

        return $ciphertext;
    }

    /**
     * OpenSSL OFB Processor
     *
     * PHP's OpenSSL bindings do not operate in continuous mode so we'll wrap around it. Since the keystream
     * for OFB is the same for both encrypting and decrypting this function is re-used by both SymmetricKey::encrypt()
     * and SymmetricKey::decrypt().
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @param string $plaintext
     * @param string $encryptIV
     * @param array $buffer
     * @return string
     * @access private
     */
    private function openssl_ofb_process($plaintext, &$encryptIV, &$buffer)
    {
        if (strlen($buffer['xor'])) {
            $ciphertext = $plaintext ^ $buffer['xor'];
            $buffer['xor'] = substr($buffer['xor'], strlen($ciphertext));
            $plaintext = substr($plaintext, strlen($ciphertext));
        } else {
            $ciphertext = '';
        }

        $block_size = $this->block_size;

        $len = strlen($plaintext);
        $key = $this->key;
        $overflow = $len % $block_size;

        if (strlen($plaintext)) {
            if ($overflow) {
                $ciphertext .= openssl_encrypt(substr($plaintext, 0, -$overflow) . str_repeat("\0", $block_size), $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV);
                $xor = Strings::pop($ciphertext, $block_size);
                if ($this->continuousBuffer) {
                    $encryptIV = $xor;
                }
                $ciphertext .= Strings::shift($xor, $overflow) ^ substr($plaintext, -$overflow);
                if ($this->continuousBuffer) {
                    $buffer['xor'] = $xor;
                }
            } else {
                $ciphertext = openssl_encrypt($plaintext, $this->cipher_name_openssl, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $encryptIV);
                if ($this->continuousBuffer) {
                    $encryptIV = substr($ciphertext, -$block_size) ^ substr($plaintext, -$block_size);
                }
            }
        }

        return $ciphertext;
    }

    /**
     * phpseclib <-> OpenSSL Mode Mapper
     *
     * May need to be overwritten by classes extending this one in some cases
     *
     * @return string
     * @access private
     */
    protected function openssl_translate_mode()
    {
        switch ($this->mode) {
            case self::MODE_ECB:
                return 'ecb';
            case self::MODE_CBC:
                return 'cbc';
            case self::MODE_CTR:
            case self::MODE_GCM:
                return 'ctr';
            case self::MODE_CFB:
                return 'cfb';
            case self::MODE_CFB8:
                return 'cfb8';
            case self::MODE_OFB:
                return 'ofb';
        }
    }

    /**
     * Pad "packets".
     *
     * Block ciphers working by encrypting between their specified [$this->]block_size at a time
     * If you ever need to encrypt or decrypt something that isn't of the proper length, it becomes necessary to
     * pad the input so that it is of the proper length.
     *
     * Padding is enabled by default.  Sometimes, however, it is undesirable to pad strings.  Such is the case in SSH,
     * where "packets" are padded with random bytes before being encrypted.  Unpad these packets and you risk stripping
     * away characters that shouldn't be stripped away. (SSH knows how many bytes are added because the length is
     * transmitted separately)
     *
     * @see self::disablePadding()
     * @access public
     */
    public function enablePadding()
    {
        $this->padding = true;
    }

    /**
     * Do not pad packets.
     *
     * @see self::enablePadding()
     * @access public
     */
    public function disablePadding()
    {
        $this->padding = false;
    }

    /**
     * Treat consecutive "packets" as if they are a continuous buffer.
     *
     * Say you have a 32-byte plaintext $plaintext.  Using the default behavior, the two following code snippets
     * will yield different outputs:
     *
     * <code>
     *    echo $rijndael->encrypt(substr($plaintext,  0, 16));
     *    echo $rijndael->encrypt(substr($plaintext, 16, 16));
     * </code>
     * <code>
     *    echo $rijndael->encrypt($plaintext);
     * </code>
     *
     * The solution is to enable the continuous buffer.  Although this will resolve the above discrepancy, it creates
     * another, as demonstrated with the following:
     *
     * <code>
     *    $rijndael->encrypt(substr($plaintext, 0, 16));
     *    echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16)));
     * </code>
     * <code>
     *    echo $rijndael->decrypt($rijndael->encrypt(substr($plaintext, 16, 16)));
     * </code>
     *
     * With the continuous buffer disabled, these would yield the same output.  With it enabled, they yield different
     * outputs.  The reason is due to the fact that the initialization vector's change after every encryption /
     * decryption round when the continuous buffer is enabled.  When it's disabled, they remain constant.
     *
     * Put another way, when the continuous buffer is enabled, the state of the \phpseclib3\Crypt\*() object changes after each
     * encryption / decryption round, whereas otherwise, it'd remain constant.  For this reason, it's recommended that
     * continuous buffers not be used.  They do offer better security and are, in fact, sometimes required (SSH uses them),
     * however, they are also less intuitive and more likely to cause you problems.
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::disableContinuousBuffer()
     * @access public
     */
    public function enableContinuousBuffer()
    {
        if ($this->mode == self::MODE_ECB) {
            return;
        }

        if ($this->mode == self::MODE_GCM) {
            throw new \BadMethodCallException('This mode does not run in continuous mode');
        }

        $this->continuousBuffer = true;

        $this->setEngine();
    }

    /**
     * Treat consecutive packets as if they are a discontinuous buffer.
     *
     * The default behavior.
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::enableContinuousBuffer()
     * @access public
     */
    public function disableContinuousBuffer()
    {
        if ($this->mode == self::MODE_ECB) {
            return;
        }
        if (!$this->continuousBuffer) {
            return;
        }

        $this->continuousBuffer = false;

        $this->setEngine();
    }

    /**
     * Test for engine validity
     *
     * @see self::__construct()
     * @param int $engine
     * @access private
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        switch ($engine) {
            case self::ENGINE_OPENSSL:
                $this->openssl_emulate_ctr = false;
                $result = $this->cipher_name_openssl &&
                          extension_loaded('openssl');
                if (!$result) {
                    return false;
                }

                $methods = openssl_get_cipher_methods();
                if (in_array($this->cipher_name_openssl, $methods)) {
                    return true;
                }
                // not all of openssl's symmetric cipher's support ctr. for those
                // that don't we'll emulate it
                switch ($this->mode) {
                    case self::MODE_CTR:
                        if (in_array($this->cipher_name_openssl_ecb, $methods)) {
                            $this->openssl_emulate_ctr = true;
                            return true;
                        }
                }
                return false;
            case self::ENGINE_MCRYPT:
                set_error_handler(function () {
                });
                $result = $this->cipher_name_mcrypt &&
                          extension_loaded('mcrypt') &&
                          in_array($this->cipher_name_mcrypt, mcrypt_list_algorithms());
                restore_error_handler();
                return $result;
            case self::ENGINE_EVAL:
                return method_exists($this, 'setupInlineCrypt');
            case self::ENGINE_INTERNAL:
                return true;
        }

        return false;
    }

    /**
     * Test for engine validity
     *
     * @see self::__construct()
     * @param string $engine
     * @access public
     * @return bool
     */
    public function isValidEngine($engine)
    {
        static $reverseMap;
        if (!isset($reverseMap)) {
            $reverseMap = array_map('strtolower', self::ENGINE_MAP);
            $reverseMap = array_flip($reverseMap);
        }
        $engine = strtolower($engine);
        if (!isset($reverseMap[$engine])) {
            return false;
        }

        return $this->isValidEngineHelper($reverseMap[$engine]);
    }

    /**
     * Sets the preferred crypt engine
     *
     * Currently, $engine could be:
     *
     * - libsodium[very fast]
     *
     * - OpenSSL  [very fast]
     *
     * - mcrypt   [fast]
     *
     * - Eval     [slow]
     *
     * - PHP      [slowest]
     *
     * If the preferred crypt engine is not available the fastest available one will be used
     *
     * @see self::__construct()
     * @param string $engine
     * @access public
     */
    public function setPreferredEngine($engine)
    {
        static $reverseMap;
        if (!isset($reverseMap)) {
            $reverseMap = array_map('strtolower', self::ENGINE_MAP);
            $reverseMap = array_flip($reverseMap);
        }
        $engine = strtolower($engine);
        $this->preferredEngine = isset($reverseMap[$engine]) ? $reverseMap[$engine] : self::ENGINE_LIBSODIUM;

        $this->setEngine();
    }

    /**
     * Returns the engine currently being utilized
     *
     * @see self::setEngine()
     * @access public
     */
    public function getEngine()
    {
        return self::ENGINE_MAP[$this->engine];
    }

    /**
     * Sets the engine as appropriate
     *
     * @see self::__construct()
     * @access private
     */
    protected function setEngine()
    {
        $this->engine = null;

        $candidateEngines = [
            self::ENGINE_LIBSODIUM,
            self::ENGINE_OPENSSL_GCM,
            self::ENGINE_OPENSSL,
            self::ENGINE_MCRYPT,
            self::ENGINE_EVAL
        ];
        if (isset($this->preferredEngine)) {
            $temp = [$this->preferredEngine];
            $candidateEngines = array_merge(
                $temp,
                array_diff($candidateEngines, $temp)
            );
        }
        foreach ($candidateEngines as $engine) {
            if ($this->isValidEngineHelper($engine)) {
                $this->engine = $engine;
                break;
            }
        }
        if (!$this->engine) {
            $this->engine = self::ENGINE_INTERNAL;
        }

        if ($this->engine != self::ENGINE_MCRYPT && $this->enmcrypt) {
            set_error_handler(function () {
            });
            // Closing the current mcrypt resource(s). _mcryptSetup() will, if needed,
            // (re)open them with the module named in $this->cipher_name_mcrypt
            mcrypt_module_close($this->enmcrypt);
            mcrypt_module_close($this->demcrypt);
            $this->enmcrypt = null;
            $this->demcrypt = null;

            if ($this->ecb) {
                mcrypt_module_close($this->ecb);
                $this->ecb = null;
            }
            restore_error_handler();
        }

        $this->changed = $this->nonIVChanged = true;
    }

    /**
     * Encrypts a block
     *
     * Note: Must be extended by the child \phpseclib3\Crypt\* class
     *
     * @access private
     * @param string $in
     * @return string
     */
    abstract protected function encryptBlock($in);

    /**
     * Decrypts a block
     *
     * Note: Must be extended by the child \phpseclib3\Crypt\* class
     *
     * @access private
     * @param string $in
     * @return string
     */
    abstract protected function decryptBlock($in);

    /**
     * Setup the key (expansion)
     *
     * Only used if $engine == self::ENGINE_INTERNAL
     *
     * Note: Must extend by the child \phpseclib3\Crypt\* class
     *
     * @see self::setup()
     * @access private
     */
    abstract protected function setupKey();

    /**
     * Setup the self::ENGINE_INTERNAL $engine
     *
     * (re)init, if necessary, the internal cipher $engine and flush all $buffers
     * Used (only) if $engine == self::ENGINE_INTERNAL
     *
     * _setup() will be called each time if $changed === true
     * typically this happens when using one or more of following public methods:
     *
     * - setKey()
     *
     * - setIV()
     *
     * - disableContinuousBuffer()
     *
     * - First run of encrypt() / decrypt() with no init-settings
     *
     * {@internal setup() is always called before en/decryption.}
     *
     * {@internal Could, but not must, extend by the child Crypt_* class}
     *
     * @see self::setKey()
     * @see self::setIV()
     * @see self::disableContinuousBuffer()
     * @access private
     */
    protected function setup()
    {
        if (!$this->changed) {
            return;
        }

        $this->changed = false;

        if ($this->usePoly1305 && !isset($this->poly1305Key) && method_exists($this, 'createPoly1305Key')) {
            $this->createPoly1305Key();
        }

        $this->enbuffer = $this->debuffer = ['ciphertext' => '', 'xor' => '', 'pos' => 0, 'enmcrypt_init' => true];
        //$this->newtag = $this->oldtag = false;

        if ($this->usesNonce()) {
            if ($this->nonce === false) {
                throw new InsufficientSetupException('No nonce has been defined');
            }
            if ($this->mode == self::MODE_GCM && !in_array($this->engine, [self::ENGINE_LIBSODIUM, self::ENGINE_OPENSSL_GCM])) {
                $this->setupGCM();
            }
        } else {
            $this->iv = $this->origIV;
        }

        if ($this->iv === false && !in_array($this->mode, [self::MODE_STREAM, self::MODE_ECB])) {
            if ($this->mode != self::MODE_GCM || !in_array($this->engine, [self::ENGINE_LIBSODIUM, self::ENGINE_OPENSSL_GCM])) {
                throw new InsufficientSetupException('No IV has been defined');
            }
        }

        if ($this->key === false) {
            throw new InsufficientSetupException('No key has been defined');
        }

        $this->encryptIV = $this->decryptIV = $this->iv;

        switch ($this->engine) {
            case self::ENGINE_MCRYPT:
                $this->enchanged = $this->dechanged = true;

                set_error_handler(function () {
                });

                if (!isset($this->enmcrypt)) {
                    static $mcrypt_modes = [
                        self::MODE_CTR    => 'ctr',
                        self::MODE_ECB    => MCRYPT_MODE_ECB,
                        self::MODE_CBC    => MCRYPT_MODE_CBC,
                        self::MODE_CFB    => 'ncfb',
                        self::MODE_CFB8   => MCRYPT_MODE_CFB,
                        self::MODE_OFB    => MCRYPT_MODE_NOFB,
                        self::MODE_OFB8   => MCRYPT_MODE_OFB,
                        self::MODE_STREAM => MCRYPT_MODE_STREAM,
                    ];

                    $this->demcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');
                    $this->enmcrypt = mcrypt_module_open($this->cipher_name_mcrypt, '', $mcrypt_modes[$this->mode], '');

                    // we need the $ecb mcrypt resource (only) in MODE_CFB with enableContinuousBuffer()
                    // to workaround mcrypt's broken ncfb implementation in buffered mode
                    // see: {@link http://phpseclib.sourceforge.net/cfb-demo.phps}
                    if ($this->mode == self::MODE_CFB) {
                        $this->ecb = mcrypt_module_open($this->cipher_name_mcrypt, '', MCRYPT_MODE_ECB, '');
                    }
                } // else should mcrypt_generic_deinit be called?

                if ($this->mode == self::MODE_CFB) {
                    mcrypt_generic_init($this->ecb, $this->key, str_repeat("\0", $this->block_size));
                }

                restore_error_handler();

                break;
            case self::ENGINE_INTERNAL:
                $this->setupKey();
                break;
            case self::ENGINE_EVAL:
                if ($this->nonIVChanged) {
                    $this->setupKey();
                    $this->setupInlineCrypt();
                }
        }

        $this->nonIVChanged = false;
    }

    /**
     * Pads a string
     *
     * Pads a string using the RSA PKCS padding standards so that its length is a multiple of the blocksize.
     * $this->block_size - (strlen($text) % $this->block_size) bytes are added, each of which is equal to
     * chr($this->block_size - (strlen($text) % $this->block_size)
     *
     * If padding is disabled and $text is not a multiple of the blocksize, the string will be padded regardless
     * and padding will, hence forth, be enabled.
     *
     * @see self::unpad()
     * @param string $text
     * @throws \LengthException if padding is disabled and the plaintext's length is not a multiple of the block size
     * @access private
     * @return string
     */
    protected function pad($text)
    {
        $length = strlen($text);

        if (!$this->padding) {
            if ($length % $this->block_size == 0) {
                return $text;
            } else {
                throw new \LengthException("The plaintext's length ($length) is not a multiple of the block size ({$this->block_size}). Try enabling padding.");
            }
        }

        $pad = $this->block_size - ($length % $this->block_size);

        return str_pad($text, $length + $pad, chr($pad));
    }

    /**
     * Unpads a string.
     *
     * If padding is enabled and the reported padding length is invalid the encryption key will be assumed to be wrong
     * and false will be returned.
     *
     * @see self::pad()
     * @param string $text
     * @throws \LengthException if the ciphertext's length is not a multiple of the block size
     * @access private
     * @return string
     */
    protected function unpad($text)
    {
        if (!$this->padding) {
            return $text;
        }

        $length = ord($text[strlen($text) - 1]);

        if (!$length || $length > $this->block_size) {
            throw new BadDecryptionException("The ciphertext has an invalid padding length ($length) compared to the block size ({$this->block_size})");
        }

        return substr($text, 0, -$length);
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * Stores the created (or existing) callback function-name
     * in $this->inline_crypt
     *
     * Internally for phpseclib developers:
     *
     *     _setupInlineCrypt() would be called only if:
     *
     *     - $this->engine === self::ENGINE_EVAL
     *
     *     - each time on _setup(), after(!) _setupKey()
     *
     *
     *     This ensures that _setupInlineCrypt() has always a
     *     full ready2go initializated internal cipher $engine state
     *     where, for example, the keys already expanded,
     *     keys/block_size calculated and such.
     *
     *     It is, each time if called, the responsibility of _setupInlineCrypt():
     *
     *     - to set $this->inline_crypt to a valid and fully working callback function
     *       as a (faster) replacement for encrypt() / decrypt()
     *
     *     - NOT to create unlimited callback functions (for memory reasons!)
     *       no matter how often _setupInlineCrypt() would be called. At some
     *       point of amount they must be generic re-useable.
     *
     *     - the code of _setupInlineCrypt() it self,
     *       and the generated callback code,
     *       must be, in following order:
     *       - 100% safe
     *       - 100% compatible to encrypt()/decrypt()
     *       - using only php5+ features/lang-constructs/php-extensions if
     *         compatibility (down to php4) or fallback is provided
     *       - readable/maintainable/understandable/commented and... not-cryptic-styled-code :-)
     *       - >= 10% faster than encrypt()/decrypt() [which is, by the way,
     *         the reason for the existence of _setupInlineCrypt() :-)]
     *       - memory-nice
     *       - short (as good as possible)
     *
     * Note: - _setupInlineCrypt() is using _createInlineCryptFunction() to create the full callback function code.
     *       - In case of using inline crypting, _setupInlineCrypt() must extend by the child \phpseclib3\Crypt\* class.
     *       - The following variable names are reserved:
     *         - $_*  (all variable names prefixed with an underscore)
     *         - $self (object reference to it self. Do not use $this, but $self instead)
     *         - $in (the content of $in has to en/decrypt by the generated code)
     *       - The callback function should not use the 'return' statement, but en/decrypt'ing the content of $in only
     *
     * {@internal If a Crypt_* class providing inline crypting it must extend _setupInlineCrypt()}
     *
     * @see self::setup()
     * @see self::createInlineCryptFunction()
     * @see self::encrypt()
     * @see self::decrypt()
     * @access private
     */
    //protected function setupInlineCrypt();

    /**
     * Creates the performance-optimized function for en/decrypt()
     *
     * Internally for phpseclib developers:
     *
     *    _createInlineCryptFunction():
     *
     *    - merge the $cipher_code [setup'ed by _setupInlineCrypt()]
     *      with the current [$this->]mode of operation code
     *
     *    - create the $inline function, which called by encrypt() / decrypt()
     *      as its replacement to speed up the en/decryption operations.
     *
     *    - return the name of the created $inline callback function
     *
     *    - used to speed up en/decryption
     *
     *
     *
     *    The main reason why can speed up things [up to 50%] this way are:
     *
     *    - using variables more effective then regular.
     *      (ie no use of expensive arrays but integers $k_0, $k_1 ...
     *      or even, for example, the pure $key[] values hardcoded)
     *
     *    - avoiding 1000's of function calls of ie _encryptBlock()
     *      but inlining the crypt operations.
     *      in the mode of operation for() loop.
     *
     *    - full loop unroll the (sometimes key-dependent) rounds
     *      avoiding this way ++$i counters and runtime-if's etc...
     *
     *    The basic code architectur of the generated $inline en/decrypt()
     *    lambda function, in pseudo php, is:
     *
     *    <code>
     *    +----------------------------------------------------------------------------------------------+
     *    | callback $inline = create_function:                                                          |
     *    | lambda_function_0001_crypt_ECB($action, $text)                                               |
     *    | {                                                                                            |
     *    |     INSERT PHP CODE OF:                                                                      |
     *    |     $cipher_code['init_crypt'];                  // general init code.                       |
     *    |                                                  // ie: $sbox'es declarations used for       |
     *    |                                                  //     encrypt and decrypt'ing.             |
     *    |                                                                                              |
     *    |     switch ($action) {                                                                       |
     *    |         case 'encrypt':                                                                      |
     *    |             INSERT PHP CODE OF:                                                              |
     *    |             $cipher_code['init_encrypt'];       // encrypt sepcific init code.               |
     *    |                                                    ie: specified $key or $box                |
     *    |                                                        declarations for encrypt'ing.         |
     *    |                                                                                              |
     *    |             foreach ($ciphertext) {                                                          |
     *    |                 $in = $block_size of $ciphertext;                                            |
     *    |                                                                                              |
     *    |                 INSERT PHP CODE OF:                                                          |
     *    |                 $cipher_code['encrypt_block'];  // encrypt's (string) $in, which is always:  |
     *    |                                                 // strlen($in) == $this->block_size          |
     *    |                                                 // here comes the cipher algorithm in action |
     *    |                                                 // for encryption.                           |
     *    |                                                 // $cipher_code['encrypt_block'] has to      |
     *    |                                                 // encrypt the content of the $in variable   |
     *    |                                                                                              |
     *    |                 $plaintext .= $in;                                                           |
     *    |             }                                                                                |
     *    |             return $plaintext;                                                               |
     *    |                                                                                              |
     *    |         case 'decrypt':                                                                      |
     *    |             INSERT PHP CODE OF:                                                              |
     *    |             $cipher_code['init_decrypt'];       // decrypt sepcific init code                |
     *    |                                                    ie: specified $key or $box                |
     *    |                                                        declarations for decrypt'ing.         |
     *    |             foreach ($plaintext) {                                                           |
     *    |                 $in = $block_size of $plaintext;                                             |
     *    |                                                                                              |
     *    |                 INSERT PHP CODE OF:                                                          |
     *    |                 $cipher_code['decrypt_block'];  // decrypt's (string) $in, which is always   |
     *    |                                                 // strlen($in) == $this->block_size          |
     *    |                                                 // here comes the cipher algorithm in action |
     *    |                                                 // for decryption.                           |
     *    |                                                 // $cipher_code['decrypt_block'] has to      |
     *    |                                                 // decrypt the content of the $in variable   |
     *    |                 $ciphertext .= $in;                                                          |
     *    |             }                                                                                |
     *    |             return $ciphertext;                                                              |
     *    |     }                                                                                        |
     *    | }                                                                                            |
     *    +----------------------------------------------------------------------------------------------+
     *    </code>
     *
     *    See also the \phpseclib3\Crypt\*::_setupInlineCrypt()'s for
     *    productive inline $cipher_code's how they works.
     *
     *    Structure of:
     *    <code>
     *    $cipher_code = [
     *        'init_crypt'    => (string) '', // optional
     *        'init_encrypt'  => (string) '', // optional
     *        'init_decrypt'  => (string) '', // optional
     *        'encrypt_block' => (string) '', // required
     *        'decrypt_block' => (string) ''  // required
     *    ];
     *    </code>
     *
     * @see self::setupInlineCrypt()
     * @see self::encrypt()
     * @see self::decrypt()
     * @param array $cipher_code
     * @access private
     * @return string (the name of the created callback function)
     */
    protected function createInlineCryptFunction($cipher_code)
    {
        $block_size = $this->block_size;

        // optional
        $init_crypt    = isset($cipher_code['init_crypt'])    ? $cipher_code['init_crypt']    : '';
        $init_encrypt  = isset($cipher_code['init_encrypt'])  ? $cipher_code['init_encrypt']  : '';
        $init_decrypt  = isset($cipher_code['init_decrypt'])  ? $cipher_code['init_decrypt']  : '';
        // required
        $encrypt_block = $cipher_code['encrypt_block'];
        $decrypt_block = $cipher_code['decrypt_block'];

        // Generating mode of operation inline code,
        // merged with the $cipher_code algorithm
        // for encrypt- and decryption.
        switch ($this->mode) {
            case self::MODE_ECB:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_plaintext_len = strlen($_text);

                    for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                        $in = substr($_text, $_i, ' . $block_size . ');
                        ' . $encrypt_block . '
                        $_ciphertext.= $in;
                    }

                    return $_ciphertext;
                    ';

                $decrypt = $init_decrypt . '
                    $_plaintext = "";
                    $_text = str_pad($_text, strlen($_text) + (' . $block_size . ' - strlen($_text) % ' . $block_size . ') % ' . $block_size . ', chr(0));
                    $_ciphertext_len = strlen($_text);

                    for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                        $in = substr($_text, $_i, ' . $block_size . ');
                        ' . $decrypt_block . '
                        $_plaintext.= $in;
                    }

                    return $this->unpad($_plaintext);
                    ';
                break;
            case self::MODE_CTR:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_plaintext_len = strlen($_text);
                    $_xor = $this->encryptIV;
                    $_buffer = &$this->enbuffer;
                    if (strlen($_buffer["ciphertext"])) {
                        for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            if (strlen($_block) > strlen($_buffer["ciphertext"])) {
                                $in = $_xor;
                                ' . $encrypt_block . '
                                \phpseclib3\Common\Functions\Strings::increment_str($_xor);
                                $_buffer["ciphertext"].= $in;
                            }
                            $_key = \phpseclib3\Common\Functions\Strings::shift($_buffer["ciphertext"], ' . $block_size . ');
                            $_ciphertext.= $_block ^ $_key;
                        }
                    } else {
                        for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            $in = $_xor;
                            ' . $encrypt_block . '
                            \phpseclib3\Common\Functions\Strings::increment_str($_xor);
                            $_key = $in;
                            $_ciphertext.= $_block ^ $_key;
                        }
                    }
                    if ($this->continuousBuffer) {
                        $this->encryptIV = $_xor;
                        if ($_start = $_plaintext_len % ' . $block_size . ') {
                            $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"];
                        }
                    }

                    return $_ciphertext;
                ';

                $decrypt = $init_encrypt . '
                    $_plaintext = "";
                    $_ciphertext_len = strlen($_text);
                    $_xor = $this->decryptIV;
                    $_buffer = &$this->debuffer;

                    if (strlen($_buffer["ciphertext"])) {
                        for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            if (strlen($_block) > strlen($_buffer["ciphertext"])) {
                                $in = $_xor;
                                ' . $encrypt_block . '
                                \phpseclib3\Common\Functions\Strings::increment_str($_xor);
                                $_buffer["ciphertext"].= $in;
                            }
                            $_key = \phpseclib3\Common\Functions\Strings::shift($_buffer["ciphertext"], ' . $block_size . ');
                            $_plaintext.= $_block ^ $_key;
                        }
                    } else {
                        for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            $in = $_xor;
                            ' . $encrypt_block . '
                            \phpseclib3\Common\Functions\Strings::increment_str($_xor);
                            $_key = $in;
                            $_plaintext.= $_block ^ $_key;
                        }
                    }
                    if ($this->continuousBuffer) {
                        $this->decryptIV = $_xor;
                        if ($_start = $_ciphertext_len % ' . $block_size . ') {
                            $_buffer["ciphertext"] = substr($_key, $_start) . $_buffer["ciphertext"];
                        }
                    }

                    return $_plaintext;
                    ';
                break;
            case self::MODE_CFB:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_buffer = &$this->enbuffer;

                    if ($this->continuousBuffer) {
                        $_iv = &$this->encryptIV;
                        $_pos = &$_buffer["pos"];
                    } else {
                        $_iv = $this->encryptIV;
                        $_pos = 0;
                    }
                    $_len = strlen($_text);
                    $_i = 0;
                    if ($_pos) {
                        $_orig_pos = $_pos;
                        $_max = ' . $block_size . ' - $_pos;
                        if ($_len >= $_max) {
                            $_i = $_max;
                            $_len-= $_max;
                            $_pos = 0;
                        } else {
                            $_i = $_len;
                            $_pos+= $_len;
                            $_len = 0;
                        }
                        $_ciphertext = substr($_iv, $_orig_pos) ^ $_text;
                        $_iv = substr_replace($_iv, $_ciphertext, $_orig_pos, $_i);
                    }
                    while ($_len >= ' . $block_size . ') {
                        $in = $_iv;
                        ' . $encrypt_block . ';
                        $_iv = $in ^ substr($_text, $_i, ' . $block_size . ');
                        $_ciphertext.= $_iv;
                        $_len-= ' . $block_size . ';
                        $_i+= ' . $block_size . ';
                    }
                    if ($_len) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_iv = $in;
                        $_block = $_iv ^ substr($_text, $_i);
                        $_iv = substr_replace($_iv, $_block, 0, $_len);
                        $_ciphertext.= $_block;
                        $_pos = $_len;
                    }
                    return $_ciphertext;
                ';

                $decrypt = $init_encrypt . '
                    $_plaintext = "";
                    $_buffer = &$this->debuffer;

                    if ($this->continuousBuffer) {
                        $_iv = &$this->decryptIV;
                        $_pos = &$_buffer["pos"];
                    } else {
                        $_iv = $this->decryptIV;
                        $_pos = 0;
                    }
                    $_len = strlen($_text);
                    $_i = 0;
                    if ($_pos) {
                        $_orig_pos = $_pos;
                        $_max = ' . $block_size . ' - $_pos;
                        if ($_len >= $_max) {
                            $_i = $_max;
                            $_len-= $_max;
                            $_pos = 0;
                        } else {
                            $_i = $_len;
                            $_pos+= $_len;
                            $_len = 0;
                        }
                        $_plaintext = substr($_iv, $_orig_pos) ^ $_text;
                        $_iv = substr_replace($_iv, substr($_text, 0, $_i), $_orig_pos, $_i);
                    }
                    while ($_len >= ' . $block_size . ') {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_iv = $in;
                        $cb = substr($_text, $_i, ' . $block_size . ');
                        $_plaintext.= $_iv ^ $cb;
                        $_iv = $cb;
                        $_len-= ' . $block_size . ';
                        $_i+= ' . $block_size . ';
                    }
                    if ($_len) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_iv = $in;
                        $_plaintext.= $_iv ^ substr($_text, $_i);
                        $_iv = substr_replace($_iv, substr($_text, $_i), 0, $_len);
                        $_pos = $_len;
                    }

                    return $_plaintext;
                    ';
                break;
            case self::MODE_CFB8:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_len = strlen($_text);
                    $_iv = $this->encryptIV;

                    for ($_i = 0; $_i < $_len; ++$_i) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_ciphertext .= ($_c = $_text[$_i] ^ $in);
                        $_iv = substr($_iv, 1) . $_c;
                    }

                    if ($this->continuousBuffer) {
                        if ($_len >= ' . $block_size . ') {
                            $this->encryptIV = substr($_ciphertext, -' . $block_size . ');
                        } else {
                            $this->encryptIV = substr($this->encryptIV, $_len - ' . $block_size . ') . substr($_ciphertext, -$_len);
                        }
                    }

                    return $_ciphertext;
                    ';
                $decrypt = $init_encrypt . '
                    $_plaintext = "";
                    $_len = strlen($_text);
                    $_iv = $this->decryptIV;

                    for ($_i = 0; $_i < $_len; ++$_i) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_plaintext .= $_text[$_i] ^ $in;
                        $_iv = substr($_iv, 1) . $_text[$_i];
                    }

                    if ($this->continuousBuffer) {
                        if ($_len >= ' . $block_size . ') {
                            $this->decryptIV = substr($_text, -' . $block_size . ');
                        } else {
                            $this->decryptIV = substr($this->decryptIV, $_len - ' . $block_size . ') . substr($_text, -$_len);
                        }
                    }

                    return $_plaintext;
                    ';
                break;
            case self::MODE_OFB8:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_len = strlen($_text);
                    $_iv = $this->encryptIV;

                    for ($_i = 0; $_i < $_len; ++$_i) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_ciphertext.= $_text[$_i] ^ $in;
                        $_iv = substr($_iv, 1) . $in[0];
                    }

                    if ($this->continuousBuffer) {
                        $this->encryptIV = $_iv;
                    }

                    return $_ciphertext;
                    ';
                $decrypt = $init_encrypt . '
                    $_plaintext = "";
                    $_len = strlen($_text);
                    $_iv = $this->decryptIV;

                    for ($_i = 0; $_i < $_len; ++$_i) {
                        $in = $_iv;
                        ' . $encrypt_block . '
                        $_plaintext.= $_text[$_i] ^ $in;
                        $_iv = substr($_iv, 1) . $in[0];
                    }

                    if ($this->continuousBuffer) {
                        $this->decryptIV = $_iv;
                    }

                    return $_plaintext;
                    ';
                break;
            case self::MODE_OFB:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_plaintext_len = strlen($_text);
                    $_xor = $this->encryptIV;
                    $_buffer = &$this->enbuffer;

                    if (strlen($_buffer["xor"])) {
                        for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            if (strlen($_block) > strlen($_buffer["xor"])) {
                                $in = $_xor;
                                ' . $encrypt_block . '
                                $_xor = $in;
                                $_buffer["xor"].= $_xor;
                            }
                            $_key = \phpseclib3\Common\Functions\Strings::shift($_buffer["xor"], ' . $block_size . ');
                            $_ciphertext.= $_block ^ $_key;
                        }
                    } else {
                        for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                            $in = $_xor;
                            ' . $encrypt_block . '
                            $_xor = $in;
                            $_ciphertext.= substr($_text, $_i, ' . $block_size . ') ^ $_xor;
                        }
                        $_key = $_xor;
                    }
                    if ($this->continuousBuffer) {
                        $this->encryptIV = $_xor;
                        if ($_start = $_plaintext_len % ' . $block_size . ') {
                             $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"];
                        }
                    }
                    return $_ciphertext;
                    ';

                $decrypt = $init_encrypt . '
                    $_plaintext = "";
                    $_ciphertext_len = strlen($_text);
                    $_xor = $this->decryptIV;
                    $_buffer = &$this->debuffer;

                    if (strlen($_buffer["xor"])) {
                        for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                            $_block = substr($_text, $_i, ' . $block_size . ');
                            if (strlen($_block) > strlen($_buffer["xor"])) {
                                $in = $_xor;
                                ' . $encrypt_block . '
                                $_xor = $in;
                                $_buffer["xor"].= $_xor;
                            }
                            $_key = \phpseclib3\Common\Functions\Strings::shift($_buffer["xor"], ' . $block_size . ');
                            $_plaintext.= $_block ^ $_key;
                        }
                    } else {
                        for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                            $in = $_xor;
                            ' . $encrypt_block . '
                            $_xor = $in;
                            $_plaintext.= substr($_text, $_i, ' . $block_size . ') ^ $_xor;
                        }
                        $_key = $_xor;
                    }
                    if ($this->continuousBuffer) {
                        $this->decryptIV = $_xor;
                        if ($_start = $_ciphertext_len % ' . $block_size . ') {
                             $_buffer["xor"] = substr($_key, $_start) . $_buffer["xor"];
                        }
                    }
                    return $_plaintext;
                    ';
                break;
            case self::MODE_STREAM:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    ' . $encrypt_block . '
                    return $_ciphertext;
                    ';
                $decrypt = $init_decrypt . '
                    $_plaintext = "";
                    ' . $decrypt_block . '
                    return $_plaintext;
                    ';
                break;
            // case self::MODE_CBC:
            default:
                $encrypt = $init_encrypt . '
                    $_ciphertext = "";
                    $_plaintext_len = strlen($_text);

                    $in = $this->encryptIV;

                    for ($_i = 0; $_i < $_plaintext_len; $_i+= ' . $block_size . ') {
                        $in = substr($_text, $_i, ' . $block_size . ') ^ $in;
                        ' . $encrypt_block . '
                        $_ciphertext.= $in;
                    }

                    if ($this->continuousBuffer) {
                        $this->encryptIV = $in;
                    }

                    return $_ciphertext;
                    ';

                $decrypt = $init_decrypt . '
                    $_plaintext = "";
                    $_text = str_pad($_text, strlen($_text) + (' . $block_size . ' - strlen($_text) % ' . $block_size . ') % ' . $block_size . ', chr(0));
                    $_ciphertext_len = strlen($_text);

                    $_iv = $this->decryptIV;

                    for ($_i = 0; $_i < $_ciphertext_len; $_i+= ' . $block_size . ') {
                        $in = $_block = substr($_text, $_i, ' . $block_size . ');
                        ' . $decrypt_block . '
                        $_plaintext.= $in ^ $_iv;
                        $_iv = $_block;
                    }

                    if ($this->continuousBuffer) {
                        $this->decryptIV = $_iv;
                    }

                    return $this->unpad($_plaintext);
                    ';
                break;
        }

        // Before discrediting this, please read the following:
        // @see https://github.com/phpseclib/phpseclib/issues/1293
        // @see https://github.com/phpseclib/phpseclib/pull/1143
        eval('$func = function ($_action, $_text) { ' . $init_crypt . 'if ($_action == "encrypt") { ' . $encrypt . ' } else { ' . $decrypt . ' }};');

        return \Closure::bind($func, $this, static::class);
    }

    /**
     * Convert float to int
     *
     * On ARM CPUs converting floats to ints doesn't always work
     *
     * @access private
     * @param string $x
     * @return int
     */
    protected static function safe_intval($x)
    {
        switch (true) {
            case is_int($x):
            // PHP 5.3, per http://php.net/releases/5_3_0.php, introduced "more consistent float rounding"
            case (php_uname('m') & "\xDF\xDF\xDF") != 'ARM':
                return $x;
        }
        return (fmod($x, 0x80000000) & 0x7FFFFFFF) |
            ((fmod(floor($x / 0x80000000), 2) & 1) << 31);
    }

    /**
     * eval()'able string for in-line float to int
     *
     * @access private
     * @return string
     */
    protected static function safe_intval_inline()
    {
        switch (true) {
            case defined('PHP_INT_SIZE') && PHP_INT_SIZE == 8:
            case (php_uname('m') & "\xDF\xDF\xDF") != 'ARM':
                return '%s';
                break;
            default:
                $safeint = '(is_int($temp = %s) ? $temp : (fmod($temp, 0x80000000) & 0x7FFFFFFF) | ';
                return $safeint . '((fmod(floor($temp / 0x80000000), 2) & 1) << 31))';
        }
    }

    /**
     * Sets up GCM parameters
     *
     * See steps 1-2 of https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf#page=23
     * for more info
     *
     * @access private
     */
    private function setupGCM()
    {
        // don't keep on re-calculating $this->h
        if (!$this->h || $this->h->key != $this->key) {
            $cipher = new static('ecb');
            $cipher->setKey($this->key);
            $cipher->disablePadding();

            $this->h = self::$gcmField->newInteger(
                Strings::switchEndianness($cipher->encrypt("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"))
            );
            $this->h->key = $this->key;
        }

        if (strlen($this->nonce) == 12) {
            $this->iv = $this->nonce . "\0\0\0\1";
        } else {
            $this->iv = $this->ghash(
                self::nullPad128($this->nonce) . str_repeat("\0", 8) . self::len64($this->nonce)
            );
        }
    }

    /**
     * Performs GHASH operation
     *
     * See https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf#page=20
     * for more info
     *
     * @see self::decrypt()
     * @see self::encrypt()
     * @access private
     * @param string $x
     * @return string
     */
    private function ghash($x)
    {
        $h = $this->h;
        $y = ["\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"];
        $x = str_split($x, 16);
        $n = 0;
        // the switchEndianness calls are necessary because the multiplication algorithm in BinaryField/Integer
        // interprets strings as polynomials in big endian order whereas in GCM they're interpreted in little
        // endian order per https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38d.pdf#page=19.
        // big endian order is what binary field elliptic curves use per http://www.secg.org/sec1-v2.pdf#page=18.

        // we could switchEndianness here instead of in the while loop but doing so in the while loop seems like it
        // might be slightly more performant
        //$x = Strings::switchEndianness($x);
        foreach ($x as $xn) {
            $xn = Strings::switchEndianness($xn);
            $t = $y[$n] ^ $xn;
            $temp = self::$gcmField->newInteger($t);
            $y[++$n] = $temp->multiply($h)->toBytes();
            $y[$n] = substr($y[$n], 1);
        }
        $y[$n] = Strings::switchEndianness($y[$n]);
        return $y[$n];
    }

    /**
     * Returns the bit length of a string in a packed format
     *
     * @see self::decrypt()
     * @see self::encrypt()
     * @see self::setupGCM()
     * @access private
     * @param string $str
     * @return string
     */
    private static function len64($str)
    {
        return "\0\0\0\0" . pack('N', 8 * strlen($str));
    }

    /**
     * NULL pads a string to be a multiple of 128
     *
     * @see self::decrypt()
     * @see self::encrypt()
     * @see self::setupGCM()
     * @access private
     * @param string $str
     * @return string
     */
    protected static function nullPad128($str)
    {
        $len = strlen($str);
        return $str . str_repeat("\0", 16 * ceil($len / 16) - $len);
    }

    /**
     * Calculates Poly1305 MAC
     *
     * On my system ChaCha20, with libsodium, takes 0.5s. With this custom Poly1305 implementation
     * it takes 1.2s.
     *
     * @see self::decrypt()
     * @see self::encrypt()
     * @access private
     * @param string $text
     * @return string
     */
    protected function poly1305($text)
    {
        $s = $this->poly1305Key; // strlen($this->poly1305Key) == 32
        $r = Strings::shift($s, 16);
        $r = strrev($r);
        $r &= "\x0f\xff\xff\xfc\x0f\xff\xff\xfc\x0f\xff\xff\xfc\x0f\xff\xff\xff";
        $s = strrev($s);

        $r = self::$poly1305Field->newInteger(new BigInteger($r, 256));
        $s = self::$poly1305Field->newInteger(new BigInteger($s, 256));
        $a = self::$poly1305Field->newInteger(new BigInteger());

        $blocks = str_split($text, 16);
        foreach ($blocks as $block) {
            $n = strrev($block . chr(1));
            $n = self::$poly1305Field->newInteger(new BigInteger($n, 256));
            $a = $a->add($n);
            $a = $a->multiply($r);
        }
        $r = $a->toBigInteger()->add($s->toBigInteger());
        $mask = "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF";
        return strrev($r->toBytes()) & $mask;
    }

    /**
     * Return the mode
     *
     * You can do $obj instanceof AES or whatever to get the cipher but you can't do that to get the mode
     *
     * @access public
     * @return string
     */
    public function getMode()
    {
        return array_flip(self::MODE_MAP)[$this->mode];
    }
}
PK     7‰U]¬À‹}ì ì 2  vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of DES.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * Useful resources are as follows:
 *
 *  - {@link http://en.wikipedia.org/wiki/DES_supplementary_material Wikipedia: DES supplementary material}
 *  - {@link http://www.itl.nist.gov/fipspubs/fip46-2.htm FIPS 46-2 - (DES), Data Encryption Standard}
 *  - {@link http://www.cs.eku.edu/faculty/styer/460/Encrypt/JS-DES.html JavaScript DES Example}
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $des = new \phpseclib3\Crypt\DES('ctr');
 *
 *    $des->setKey('abcdefgh');
 *
 *    $size = 10 * 1024;
 *    $plaintext = '';
 *    for ($i = 0; $i < $size; $i++) {
 *        $plaintext.= 'a';
 *    }
 *
 *    echo $des->decrypt($des->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   DES
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\BlockCipher;
use phpseclib3\Exception\BadModeException;

/**
 * Pure-PHP implementation of DES.
 *
 * @package DES
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class DES extends BlockCipher
{
    /**
     * Contains $keys[self::ENCRYPT]
     *
     * @access private
     * @see \phpseclib3\Crypt\DES::setupKey()
     * @see \phpseclib3\Crypt\DES::processBlock()
     */
    const ENCRYPT = 0;
    /**
     * Contains $keys[self::DECRYPT]
     *
     * @access private
     * @see \phpseclib3\Crypt\DES::setupKey()
     * @see \phpseclib3\Crypt\DES::processBlock()
     */
    const DECRYPT = 1;

    /**
     * Block Length of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size
     * @var int
     * @access private
     */
    protected $block_size = 8;

    /**
     * Key Length (in bytes)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 8;

    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'des';

    /**
     * The OpenSSL names of the cipher / modes
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::openssl_mode_names
     * @var array
     * @access private
     */
    protected $openssl_mode_names = [
        self::MODE_ECB => 'des-ecb',
        self::MODE_CBC => 'des-cbc',
        self::MODE_CFB => 'des-cfb',
        self::MODE_OFB => 'des-ofb'
        // self::MODE_CTR is undefined for DES
    ];

    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 500;

    /**
     * Switch for DES/3DES encryption
     *
     * Used only if $engine == self::ENGINE_INTERNAL
     *
     * @see self::setupKey()
     * @see self::processBlock()
     * @var int
     * @access private
     */
    protected $des_rounds = 1;

    /**
     * max possible size of $key
     *
     * @see self::setKey()
     * @var string
     * @access private
     */
    protected $key_length_max = 8;

    /**
     * The Key Schedule
     *
     * @see self::setupKey()
     * @var array
     * @access private
     */
    private $keys;

    /**
     * Shuffle table.
     *
     * For each byte value index, the entry holds an 8-byte string
     * with each byte containing all bits in the same state as the
     * corresponding bit in the index value.
     *
     * @see self::processBlock()
     * @see self::setupKey()
     * @var array
     * @access private
     */
    protected static $shuffle = [
        "\x00\x00\x00\x00\x00\x00\x00\x00", "\x00\x00\x00\x00\x00\x00\x00\xFF",
        "\x00\x00\x00\x00\x00\x00\xFF\x00", "\x00\x00\x00\x00\x00\x00\xFF\xFF",
        "\x00\x00\x00\x00\x00\xFF\x00\x00", "\x00\x00\x00\x00\x00\xFF\x00\xFF",
        "\x00\x00\x00\x00\x00\xFF\xFF\x00", "\x00\x00\x00\x00\x00\xFF\xFF\xFF",
        "\x00\x00\x00\x00\xFF\x00\x00\x00", "\x00\x00\x00\x00\xFF\x00\x00\xFF",
        "\x00\x00\x00\x00\xFF\x00\xFF\x00", "\x00\x00\x00\x00\xFF\x00\xFF\xFF",
        "\x00\x00\x00\x00\xFF\xFF\x00\x00", "\x00\x00\x00\x00\xFF\xFF\x00\xFF",
        "\x00\x00\x00\x00\xFF\xFF\xFF\x00", "\x00\x00\x00\x00\xFF\xFF\xFF\xFF",
        "\x00\x00\x00\xFF\x00\x00\x00\x00", "\x00\x00\x00\xFF\x00\x00\x00\xFF",
        "\x00\x00\x00\xFF\x00\x00\xFF\x00", "\x00\x00\x00\xFF\x00\x00\xFF\xFF",
        "\x00\x00\x00\xFF\x00\xFF\x00\x00", "\x00\x00\x00\xFF\x00\xFF\x00\xFF",
        "\x00\x00\x00\xFF\x00\xFF\xFF\x00", "\x00\x00\x00\xFF\x00\xFF\xFF\xFF",
        "\x00\x00\x00\xFF\xFF\x00\x00\x00", "\x00\x00\x00\xFF\xFF\x00\x00\xFF",
        "\x00\x00\x00\xFF\xFF\x00\xFF\x00", "\x00\x00\x00\xFF\xFF\x00\xFF\xFF",
        "\x00\x00\x00\xFF\xFF\xFF\x00\x00", "\x00\x00\x00\xFF\xFF\xFF\x00\xFF",
        "\x00\x00\x00\xFF\xFF\xFF\xFF\x00", "\x00\x00\x00\xFF\xFF\xFF\xFF\xFF",
        "\x00\x00\xFF\x00\x00\x00\x00\x00", "\x00\x00\xFF\x00\x00\x00\x00\xFF",
        "\x00\x00\xFF\x00\x00\x00\xFF\x00", "\x00\x00\xFF\x00\x00\x00\xFF\xFF",
        "\x00\x00\xFF\x00\x00\xFF\x00\x00", "\x00\x00\xFF\x00\x00\xFF\x00\xFF",
        "\x00\x00\xFF\x00\x00\xFF\xFF\x00", "\x00\x00\xFF\x00\x00\xFF\xFF\xFF",
        "\x00\x00\xFF\x00\xFF\x00\x00\x00", "\x00\x00\xFF\x00\xFF\x00\x00\xFF",
        "\x00\x00\xFF\x00\xFF\x00\xFF\x00", "\x00\x00\xFF\x00\xFF\x00\xFF\xFF",
        "\x00\x00\xFF\x00\xFF\xFF\x00\x00", "\x00\x00\xFF\x00\xFF\xFF\x00\xFF",
        "\x00\x00\xFF\x00\xFF\xFF\xFF\x00", "\x00\x00\xFF\x00\xFF\xFF\xFF\xFF",
        "\x00\x00\xFF\xFF\x00\x00\x00\x00", "\x00\x00\xFF\xFF\x00\x00\x00\xFF",
        "\x00\x00\xFF\xFF\x00\x00\xFF\x00", "\x00\x00\xFF\xFF\x00\x00\xFF\xFF",
        "\x00\x00\xFF\xFF\x00\xFF\x00\x00", "\x00\x00\xFF\xFF\x00\xFF\x00\xFF",
        "\x00\x00\xFF\xFF\x00\xFF\xFF\x00", "\x00\x00\xFF\xFF\x00\xFF\xFF\xFF",
        "\x00\x00\xFF\xFF\xFF\x00\x00\x00", "\x00\x00\xFF\xFF\xFF\x00\x00\xFF",
        "\x00\x00\xFF\xFF\xFF\x00\xFF\x00", "\x00\x00\xFF\xFF\xFF\x00\xFF\xFF",
        "\x00\x00\xFF\xFF\xFF\xFF\x00\x00", "\x00\x00\xFF\xFF\xFF\xFF\x00\xFF",
        "\x00\x00\xFF\xFF\xFF\xFF\xFF\x00", "\x00\x00\xFF\xFF\xFF\xFF\xFF\xFF",
        "\x00\xFF\x00\x00\x00\x00\x00\x00", "\x00\xFF\x00\x00\x00\x00\x00\xFF",
        "\x00\xFF\x00\x00\x00\x00\xFF\x00", "\x00\xFF\x00\x00\x00\x00\xFF\xFF",
        "\x00\xFF\x00\x00\x00\xFF\x00\x00", "\x00\xFF\x00\x00\x00\xFF\x00\xFF",
        "\x00\xFF\x00\x00\x00\xFF\xFF\x00", "\x00\xFF\x00\x00\x00\xFF\xFF\xFF",
        "\x00\xFF\x00\x00\xFF\x00\x00\x00", "\x00\xFF\x00\x00\xFF\x00\x00\xFF",
        "\x00\xFF\x00\x00\xFF\x00\xFF\x00", "\x00\xFF\x00\x00\xFF\x00\xFF\xFF",
        "\x00\xFF\x00\x00\xFF\xFF\x00\x00", "\x00\xFF\x00\x00\xFF\xFF\x00\xFF",
        "\x00\xFF\x00\x00\xFF\xFF\xFF\x00", "\x00\xFF\x00\x00\xFF\xFF\xFF\xFF",
        "\x00\xFF\x00\xFF\x00\x00\x00\x00", "\x00\xFF\x00\xFF\x00\x00\x00\xFF",
        "\x00\xFF\x00\xFF\x00\x00\xFF\x00", "\x00\xFF\x00\xFF\x00\x00\xFF\xFF",
        "\x00\xFF\x00\xFF\x00\xFF\x00\x00", "\x00\xFF\x00\xFF\x00\xFF\x00\xFF",
        "\x00\xFF\x00\xFF\x00\xFF\xFF\x00", "\x00\xFF\x00\xFF\x00\xFF\xFF\xFF",
        "\x00\xFF\x00\xFF\xFF\x00\x00\x00", "\x00\xFF\x00\xFF\xFF\x00\x00\xFF",
        "\x00\xFF\x00\xFF\xFF\x00\xFF\x00", "\x00\xFF\x00\xFF\xFF\x00\xFF\xFF",
        "\x00\xFF\x00\xFF\xFF\xFF\x00\x00", "\x00\xFF\x00\xFF\xFF\xFF\x00\xFF",
        "\x00\xFF\x00\xFF\xFF\xFF\xFF\x00", "\x00\xFF\x00\xFF\xFF\xFF\xFF\xFF",
        "\x00\xFF\xFF\x00\x00\x00\x00\x00", "\x00\xFF\xFF\x00\x00\x00\x00\xFF",
        "\x00\xFF\xFF\x00\x00\x00\xFF\x00", "\x00\xFF\xFF\x00\x00\x00\xFF\xFF",
        "\x00\xFF\xFF\x00\x00\xFF\x00\x00", "\x00\xFF\xFF\x00\x00\xFF\x00\xFF",
        "\x00\xFF\xFF\x00\x00\xFF\xFF\x00", "\x00\xFF\xFF\x00\x00\xFF\xFF\xFF",
        "\x00\xFF\xFF\x00\xFF\x00\x00\x00", "\x00\xFF\xFF\x00\xFF\x00\x00\xFF",
        "\x00\xFF\xFF\x00\xFF\x00\xFF\x00", "\x00\xFF\xFF\x00\xFF\x00\xFF\xFF",
        "\x00\xFF\xFF\x00\xFF\xFF\x00\x00", "\x00\xFF\xFF\x00\xFF\xFF\x00\xFF",
        "\x00\xFF\xFF\x00\xFF\xFF\xFF\x00", "\x00\xFF\xFF\x00\xFF\xFF\xFF\xFF",
        "\x00\xFF\xFF\xFF\x00\x00\x00\x00", "\x00\xFF\xFF\xFF\x00\x00\x00\xFF",
        "\x00\xFF\xFF\xFF\x00\x00\xFF\x00", "\x00\xFF\xFF\xFF\x00\x00\xFF\xFF",
        "\x00\xFF\xFF\xFF\x00\xFF\x00\x00", "\x00\xFF\xFF\xFF\x00\xFF\x00\xFF",
        "\x00\xFF\xFF\xFF\x00\xFF\xFF\x00", "\x00\xFF\xFF\xFF\x00\xFF\xFF\xFF",
        "\x00\xFF\xFF\xFF\xFF\x00\x00\x00", "\x00\xFF\xFF\xFF\xFF\x00\x00\xFF",
        "\x00\xFF\xFF\xFF\xFF\x00\xFF\x00", "\x00\xFF\xFF\xFF\xFF\x00\xFF\xFF",
        "\x00\xFF\xFF\xFF\xFF\xFF\x00\x00", "\x00\xFF\xFF\xFF\xFF\xFF\x00\xFF",
        "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\x00\xFF\xFF\xFF\xFF\xFF\xFF\xFF",
        "\xFF\x00\x00\x00\x00\x00\x00\x00", "\xFF\x00\x00\x00\x00\x00\x00\xFF",
        "\xFF\x00\x00\x00\x00\x00\xFF\x00", "\xFF\x00\x00\x00\x00\x00\xFF\xFF",
        "\xFF\x00\x00\x00\x00\xFF\x00\x00", "\xFF\x00\x00\x00\x00\xFF\x00\xFF",
        "\xFF\x00\x00\x00\x00\xFF\xFF\x00", "\xFF\x00\x00\x00\x00\xFF\xFF\xFF",
        "\xFF\x00\x00\x00\xFF\x00\x00\x00", "\xFF\x00\x00\x00\xFF\x00\x00\xFF",
        "\xFF\x00\x00\x00\xFF\x00\xFF\x00", "\xFF\x00\x00\x00\xFF\x00\xFF\xFF",
        "\xFF\x00\x00\x00\xFF\xFF\x00\x00", "\xFF\x00\x00\x00\xFF\xFF\x00\xFF",
        "\xFF\x00\x00\x00\xFF\xFF\xFF\x00", "\xFF\x00\x00\x00\xFF\xFF\xFF\xFF",
        "\xFF\x00\x00\xFF\x00\x00\x00\x00", "\xFF\x00\x00\xFF\x00\x00\x00\xFF",
        "\xFF\x00\x00\xFF\x00\x00\xFF\x00", "\xFF\x00\x00\xFF\x00\x00\xFF\xFF",
        "\xFF\x00\x00\xFF\x00\xFF\x00\x00", "\xFF\x00\x00\xFF\x00\xFF\x00\xFF",
        "\xFF\x00\x00\xFF\x00\xFF\xFF\x00", "\xFF\x00\x00\xFF\x00\xFF\xFF\xFF",
        "\xFF\x00\x00\xFF\xFF\x00\x00\x00", "\xFF\x00\x00\xFF\xFF\x00\x00\xFF",
        "\xFF\x00\x00\xFF\xFF\x00\xFF\x00", "\xFF\x00\x00\xFF\xFF\x00\xFF\xFF",
        "\xFF\x00\x00\xFF\xFF\xFF\x00\x00", "\xFF\x00\x00\xFF\xFF\xFF\x00\xFF",
        "\xFF\x00\x00\xFF\xFF\xFF\xFF\x00", "\xFF\x00\x00\xFF\xFF\xFF\xFF\xFF",
        "\xFF\x00\xFF\x00\x00\x00\x00\x00", "\xFF\x00\xFF\x00\x00\x00\x00\xFF",
        "\xFF\x00\xFF\x00\x00\x00\xFF\x00", "\xFF\x00\xFF\x00\x00\x00\xFF\xFF",
        "\xFF\x00\xFF\x00\x00\xFF\x00\x00", "\xFF\x00\xFF\x00\x00\xFF\x00\xFF",
        "\xFF\x00\xFF\x00\x00\xFF\xFF\x00", "\xFF\x00\xFF\x00\x00\xFF\xFF\xFF",
        "\xFF\x00\xFF\x00\xFF\x00\x00\x00", "\xFF\x00\xFF\x00\xFF\x00\x00\xFF",
        "\xFF\x00\xFF\x00\xFF\x00\xFF\x00", "\xFF\x00\xFF\x00\xFF\x00\xFF\xFF",
        "\xFF\x00\xFF\x00\xFF\xFF\x00\x00", "\xFF\x00\xFF\x00\xFF\xFF\x00\xFF",
        "\xFF\x00\xFF\x00\xFF\xFF\xFF\x00", "\xFF\x00\xFF\x00\xFF\xFF\xFF\xFF",
        "\xFF\x00\xFF\xFF\x00\x00\x00\x00", "\xFF\x00\xFF\xFF\x00\x00\x00\xFF",
        "\xFF\x00\xFF\xFF\x00\x00\xFF\x00", "\xFF\x00\xFF\xFF\x00\x00\xFF\xFF",
        "\xFF\x00\xFF\xFF\x00\xFF\x00\x00", "\xFF\x00\xFF\xFF\x00\xFF\x00\xFF",
        "\xFF\x00\xFF\xFF\x00\xFF\xFF\x00", "\xFF\x00\xFF\xFF\x00\xFF\xFF\xFF",
        "\xFF\x00\xFF\xFF\xFF\x00\x00\x00", "\xFF\x00\xFF\xFF\xFF\x00\x00\xFF",
        "\xFF\x00\xFF\xFF\xFF\x00\xFF\x00", "\xFF\x00\xFF\xFF\xFF\x00\xFF\xFF",
        "\xFF\x00\xFF\xFF\xFF\xFF\x00\x00", "\xFF\x00\xFF\xFF\xFF\xFF\x00\xFF",
        "\xFF\x00\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\x00\xFF\xFF\xFF\xFF\xFF\xFF",
        "\xFF\xFF\x00\x00\x00\x00\x00\x00", "\xFF\xFF\x00\x00\x00\x00\x00\xFF",
        "\xFF\xFF\x00\x00\x00\x00\xFF\x00", "\xFF\xFF\x00\x00\x00\x00\xFF\xFF",
        "\xFF\xFF\x00\x00\x00\xFF\x00\x00", "\xFF\xFF\x00\x00\x00\xFF\x00\xFF",
        "\xFF\xFF\x00\x00\x00\xFF\xFF\x00", "\xFF\xFF\x00\x00\x00\xFF\xFF\xFF",
        "\xFF\xFF\x00\x00\xFF\x00\x00\x00", "\xFF\xFF\x00\x00\xFF\x00\x00\xFF",
        "\xFF\xFF\x00\x00\xFF\x00\xFF\x00", "\xFF\xFF\x00\x00\xFF\x00\xFF\xFF",
        "\xFF\xFF\x00\x00\xFF\xFF\x00\x00", "\xFF\xFF\x00\x00\xFF\xFF\x00\xFF",
        "\xFF\xFF\x00\x00\xFF\xFF\xFF\x00", "\xFF\xFF\x00\x00\xFF\xFF\xFF\xFF",
        "\xFF\xFF\x00\xFF\x00\x00\x00\x00", "\xFF\xFF\x00\xFF\x00\x00\x00\xFF",
        "\xFF\xFF\x00\xFF\x00\x00\xFF\x00", "\xFF\xFF\x00\xFF\x00\x00\xFF\xFF",
        "\xFF\xFF\x00\xFF\x00\xFF\x00\x00", "\xFF\xFF\x00\xFF\x00\xFF\x00\xFF",
        "\xFF\xFF\x00\xFF\x00\xFF\xFF\x00", "\xFF\xFF\x00\xFF\x00\xFF\xFF\xFF",
        "\xFF\xFF\x00\xFF\xFF\x00\x00\x00", "\xFF\xFF\x00\xFF\xFF\x00\x00\xFF",
        "\xFF\xFF\x00\xFF\xFF\x00\xFF\x00", "\xFF\xFF\x00\xFF\xFF\x00\xFF\xFF",
        "\xFF\xFF\x00\xFF\xFF\xFF\x00\x00", "\xFF\xFF\x00\xFF\xFF\xFF\x00\xFF",
        "\xFF\xFF\x00\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\x00\xFF\xFF\xFF\xFF\xFF",
        "\xFF\xFF\xFF\x00\x00\x00\x00\x00", "\xFF\xFF\xFF\x00\x00\x00\x00\xFF",
        "\xFF\xFF\xFF\x00\x00\x00\xFF\x00", "\xFF\xFF\xFF\x00\x00\x00\xFF\xFF",
        "\xFF\xFF\xFF\x00\x00\xFF\x00\x00", "\xFF\xFF\xFF\x00\x00\xFF\x00\xFF",
        "\xFF\xFF\xFF\x00\x00\xFF\xFF\x00", "\xFF\xFF\xFF\x00\x00\xFF\xFF\xFF",
        "\xFF\xFF\xFF\x00\xFF\x00\x00\x00", "\xFF\xFF\xFF\x00\xFF\x00\x00\xFF",
        "\xFF\xFF\xFF\x00\xFF\x00\xFF\x00", "\xFF\xFF\xFF\x00\xFF\x00\xFF\xFF",
        "\xFF\xFF\xFF\x00\xFF\xFF\x00\x00", "\xFF\xFF\xFF\x00\xFF\xFF\x00\xFF",
        "\xFF\xFF\xFF\x00\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\x00\xFF\xFF\xFF\xFF",
        "\xFF\xFF\xFF\xFF\x00\x00\x00\x00", "\xFF\xFF\xFF\xFF\x00\x00\x00\xFF",
        "\xFF\xFF\xFF\xFF\x00\x00\xFF\x00", "\xFF\xFF\xFF\xFF\x00\x00\xFF\xFF",
        "\xFF\xFF\xFF\xFF\x00\xFF\x00\x00", "\xFF\xFF\xFF\xFF\x00\xFF\x00\xFF",
        "\xFF\xFF\xFF\xFF\x00\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\x00\xFF\xFF\xFF",
        "\xFF\xFF\xFF\xFF\xFF\x00\x00\x00", "\xFF\xFF\xFF\xFF\xFF\x00\x00\xFF",
        "\xFF\xFF\xFF\xFF\xFF\x00\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\x00\xFF\xFF",
        "\xFF\xFF\xFF\xFF\xFF\xFF\x00\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\x00\xFF",
        "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x00", "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF"
    ];

    /**
     * IP mapping helper table.
     *
     * Indexing this table with each source byte performs the initial bit permutation.
     *
     * @var array
     * @access private
     */
    protected static $ipmap = [
        0x00, 0x10, 0x01, 0x11, 0x20, 0x30, 0x21, 0x31,
        0x02, 0x12, 0x03, 0x13, 0x22, 0x32, 0x23, 0x33,
        0x40, 0x50, 0x41, 0x51, 0x60, 0x70, 0x61, 0x71,
        0x42, 0x52, 0x43, 0x53, 0x62, 0x72, 0x63, 0x73,
        0x04, 0x14, 0x05, 0x15, 0x24, 0x34, 0x25, 0x35,
        0x06, 0x16, 0x07, 0x17, 0x26, 0x36, 0x27, 0x37,
        0x44, 0x54, 0x45, 0x55, 0x64, 0x74, 0x65, 0x75,
        0x46, 0x56, 0x47, 0x57, 0x66, 0x76, 0x67, 0x77,
        0x80, 0x90, 0x81, 0x91, 0xA0, 0xB0, 0xA1, 0xB1,
        0x82, 0x92, 0x83, 0x93, 0xA2, 0xB2, 0xA3, 0xB3,
        0xC0, 0xD0, 0xC1, 0xD1, 0xE0, 0xF0, 0xE1, 0xF1,
        0xC2, 0xD2, 0xC3, 0xD3, 0xE2, 0xF2, 0xE3, 0xF3,
        0x84, 0x94, 0x85, 0x95, 0xA4, 0xB4, 0xA5, 0xB5,
        0x86, 0x96, 0x87, 0x97, 0xA6, 0xB6, 0xA7, 0xB7,
        0xC4, 0xD4, 0xC5, 0xD5, 0xE4, 0xF4, 0xE5, 0xF5,
        0xC6, 0xD6, 0xC7, 0xD7, 0xE6, 0xF6, 0xE7, 0xF7,
        0x08, 0x18, 0x09, 0x19, 0x28, 0x38, 0x29, 0x39,
        0x0A, 0x1A, 0x0B, 0x1B, 0x2A, 0x3A, 0x2B, 0x3B,
        0x48, 0x58, 0x49, 0x59, 0x68, 0x78, 0x69, 0x79,
        0x4A, 0x5A, 0x4B, 0x5B, 0x6A, 0x7A, 0x6B, 0x7B,
        0x0C, 0x1C, 0x0D, 0x1D, 0x2C, 0x3C, 0x2D, 0x3D,
        0x0E, 0x1E, 0x0F, 0x1F, 0x2E, 0x3E, 0x2F, 0x3F,
        0x4C, 0x5C, 0x4D, 0x5D, 0x6C, 0x7C, 0x6D, 0x7D,
        0x4E, 0x5E, 0x4F, 0x5F, 0x6E, 0x7E, 0x6F, 0x7F,
        0x88, 0x98, 0x89, 0x99, 0xA8, 0xB8, 0xA9, 0xB9,
        0x8A, 0x9A, 0x8B, 0x9B, 0xAA, 0xBA, 0xAB, 0xBB,
        0xC8, 0xD8, 0xC9, 0xD9, 0xE8, 0xF8, 0xE9, 0xF9,
        0xCA, 0xDA, 0xCB, 0xDB, 0xEA, 0xFA, 0xEB, 0xFB,
        0x8C, 0x9C, 0x8D, 0x9D, 0xAC, 0xBC, 0xAD, 0xBD,
        0x8E, 0x9E, 0x8F, 0x9F, 0xAE, 0xBE, 0xAF, 0xBF,
        0xCC, 0xDC, 0xCD, 0xDD, 0xEC, 0xFC, 0xED, 0xFD,
        0xCE, 0xDE, 0xCF, 0xDF, 0xEE, 0xFE, 0xEF, 0xFF
    ];

    /**
     * Inverse IP mapping helper table.
     * Indexing this table with a byte value reverses the bit order.
     *
     * @var array
     * @access private
     */
    protected static $invipmap = [
        0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
        0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
        0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
        0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
        0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
        0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
        0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
        0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
        0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
        0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
        0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
        0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
        0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
        0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
        0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
        0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
        0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
        0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
        0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
        0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
        0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
        0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
        0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
        0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
        0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
        0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
        0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
        0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
        0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
        0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
        0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
        0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
    ];

    /**
     * Pre-permuted S-box1
     *
     * Each box ($sbox1-$sbox8) has been vectorized, then each value pre-permuted using the
     * P table: concatenation can then be replaced by exclusive ORs.
     *
     * @var array
     * @access private
     */
    protected static $sbox1 = [
        0x00808200, 0x00000000, 0x00008000, 0x00808202,
        0x00808002, 0x00008202, 0x00000002, 0x00008000,
        0x00000200, 0x00808200, 0x00808202, 0x00000200,
        0x00800202, 0x00808002, 0x00800000, 0x00000002,
        0x00000202, 0x00800200, 0x00800200, 0x00008200,
        0x00008200, 0x00808000, 0x00808000, 0x00800202,
        0x00008002, 0x00800002, 0x00800002, 0x00008002,
        0x00000000, 0x00000202, 0x00008202, 0x00800000,
        0x00008000, 0x00808202, 0x00000002, 0x00808000,
        0x00808200, 0x00800000, 0x00800000, 0x00000200,
        0x00808002, 0x00008000, 0x00008200, 0x00800002,
        0x00000200, 0x00000002, 0x00800202, 0x00008202,
        0x00808202, 0x00008002, 0x00808000, 0x00800202,
        0x00800002, 0x00000202, 0x00008202, 0x00808200,
        0x00000202, 0x00800200, 0x00800200, 0x00000000,
        0x00008002, 0x00008200, 0x00000000, 0x00808002
    ];

    /**
     * Pre-permuted S-box2
     *
     * @var array
     * @access private
     */
    protected static $sbox2 = [
        0x40084010, 0x40004000, 0x00004000, 0x00084010,
        0x00080000, 0x00000010, 0x40080010, 0x40004010,
        0x40000010, 0x40084010, 0x40084000, 0x40000000,
        0x40004000, 0x00080000, 0x00000010, 0x40080010,
        0x00084000, 0x00080010, 0x40004010, 0x00000000,
        0x40000000, 0x00004000, 0x00084010, 0x40080000,
        0x00080010, 0x40000010, 0x00000000, 0x00084000,
        0x00004010, 0x40084000, 0x40080000, 0x00004010,
        0x00000000, 0x00084010, 0x40080010, 0x00080000,
        0x40004010, 0x40080000, 0x40084000, 0x00004000,
        0x40080000, 0x40004000, 0x00000010, 0x40084010,
        0x00084010, 0x00000010, 0x00004000, 0x40000000,
        0x00004010, 0x40084000, 0x00080000, 0x40000010,
        0x00080010, 0x40004010, 0x40000010, 0x00080010,
        0x00084000, 0x00000000, 0x40004000, 0x00004010,
        0x40000000, 0x40080010, 0x40084010, 0x00084000
    ];

    /**
     * Pre-permuted S-box3
     *
     * @var array
     * @access private
     */
    protected static $sbox3 = [
        0x00000104, 0x04010100, 0x00000000, 0x04010004,
        0x04000100, 0x00000000, 0x00010104, 0x04000100,
        0x00010004, 0x04000004, 0x04000004, 0x00010000,
        0x04010104, 0x00010004, 0x04010000, 0x00000104,
        0x04000000, 0x00000004, 0x04010100, 0x00000100,
        0x00010100, 0x04010000, 0x04010004, 0x00010104,
        0x04000104, 0x00010100, 0x00010000, 0x04000104,
        0x00000004, 0x04010104, 0x00000100, 0x04000000,
        0x04010100, 0x04000000, 0x00010004, 0x00000104,
        0x00010000, 0x04010100, 0x04000100, 0x00000000,
        0x00000100, 0x00010004, 0x04010104, 0x04000100,
        0x04000004, 0x00000100, 0x00000000, 0x04010004,
        0x04000104, 0x00010000, 0x04000000, 0x04010104,
        0x00000004, 0x00010104, 0x00010100, 0x04000004,
        0x04010000, 0x04000104, 0x00000104, 0x04010000,
        0x00010104, 0x00000004, 0x04010004, 0x00010100
    ];

    /**
     * Pre-permuted S-box4
     *
     * @var array
     * @access private
     */
    protected static $sbox4 = [
        0x80401000, 0x80001040, 0x80001040, 0x00000040,
        0x00401040, 0x80400040, 0x80400000, 0x80001000,
        0x00000000, 0x00401000, 0x00401000, 0x80401040,
        0x80000040, 0x00000000, 0x00400040, 0x80400000,
        0x80000000, 0x00001000, 0x00400000, 0x80401000,
        0x00000040, 0x00400000, 0x80001000, 0x00001040,
        0x80400040, 0x80000000, 0x00001040, 0x00400040,
        0x00001000, 0x00401040, 0x80401040, 0x80000040,
        0x00400040, 0x80400000, 0x00401000, 0x80401040,
        0x80000040, 0x00000000, 0x00000000, 0x00401000,
        0x00001040, 0x00400040, 0x80400040, 0x80000000,
        0x80401000, 0x80001040, 0x80001040, 0x00000040,
        0x80401040, 0x80000040, 0x80000000, 0x00001000,
        0x80400000, 0x80001000, 0x00401040, 0x80400040,
        0x80001000, 0x00001040, 0x00400000, 0x80401000,
        0x00000040, 0x00400000, 0x00001000, 0x00401040
    ];

    /**
     * Pre-permuted S-box5
     *
     * @var array
     * @access private
     */
    protected static $sbox5 = [
        0x00000080, 0x01040080, 0x01040000, 0x21000080,
        0x00040000, 0x00000080, 0x20000000, 0x01040000,
        0x20040080, 0x00040000, 0x01000080, 0x20040080,
        0x21000080, 0x21040000, 0x00040080, 0x20000000,
        0x01000000, 0x20040000, 0x20040000, 0x00000000,
        0x20000080, 0x21040080, 0x21040080, 0x01000080,
        0x21040000, 0x20000080, 0x00000000, 0x21000000,
        0x01040080, 0x01000000, 0x21000000, 0x00040080,
        0x00040000, 0x21000080, 0x00000080, 0x01000000,
        0x20000000, 0x01040000, 0x21000080, 0x20040080,
        0x01000080, 0x20000000, 0x21040000, 0x01040080,
        0x20040080, 0x00000080, 0x01000000, 0x21040000,
        0x21040080, 0x00040080, 0x21000000, 0x21040080,
        0x01040000, 0x00000000, 0x20040000, 0x21000000,
        0x00040080, 0x01000080, 0x20000080, 0x00040000,
        0x00000000, 0x20040000, 0x01040080, 0x20000080
    ];

    /**
     * Pre-permuted S-box6
     *
     * @var array
     * @access private
     */
    protected static $sbox6 = [
        0x10000008, 0x10200000, 0x00002000, 0x10202008,
        0x10200000, 0x00000008, 0x10202008, 0x00200000,
        0x10002000, 0x00202008, 0x00200000, 0x10000008,
        0x00200008, 0x10002000, 0x10000000, 0x00002008,
        0x00000000, 0x00200008, 0x10002008, 0x00002000,
        0x00202000, 0x10002008, 0x00000008, 0x10200008,
        0x10200008, 0x00000000, 0x00202008, 0x10202000,
        0x00002008, 0x00202000, 0x10202000, 0x10000000,
        0x10002000, 0x00000008, 0x10200008, 0x00202000,
        0x10202008, 0x00200000, 0x00002008, 0x10000008,
        0x00200000, 0x10002000, 0x10000000, 0x00002008,
        0x10000008, 0x10202008, 0x00202000, 0x10200000,
        0x00202008, 0x10202000, 0x00000000, 0x10200008,
        0x00000008, 0x00002000, 0x10200000, 0x00202008,
        0x00002000, 0x00200008, 0x10002008, 0x00000000,
        0x10202000, 0x10000000, 0x00200008, 0x10002008
    ];

    /**
     * Pre-permuted S-box7
     *
     * @var array
     * @access private
     */
    protected static $sbox7 = [
        0x00100000, 0x02100001, 0x02000401, 0x00000000,
        0x00000400, 0x02000401, 0x00100401, 0x02100400,
        0x02100401, 0x00100000, 0x00000000, 0x02000001,
        0x00000001, 0x02000000, 0x02100001, 0x00000401,
        0x02000400, 0x00100401, 0x00100001, 0x02000400,
        0x02000001, 0x02100000, 0x02100400, 0x00100001,
        0x02100000, 0x00000400, 0x00000401, 0x02100401,
        0x00100400, 0x00000001, 0x02000000, 0x00100400,
        0x02000000, 0x00100400, 0x00100000, 0x02000401,
        0x02000401, 0x02100001, 0x02100001, 0x00000001,
        0x00100001, 0x02000000, 0x02000400, 0x00100000,
        0x02100400, 0x00000401, 0x00100401, 0x02100400,
        0x00000401, 0x02000001, 0x02100401, 0x02100000,
        0x00100400, 0x00000000, 0x00000001, 0x02100401,
        0x00000000, 0x00100401, 0x02100000, 0x00000400,
        0x02000001, 0x02000400, 0x00000400, 0x00100001
    ];

    /**
     * Pre-permuted S-box8
     *
     * @var array
     * @access private
     */
    protected static $sbox8 = [
        0x08000820, 0x00000800, 0x00020000, 0x08020820,
        0x08000000, 0x08000820, 0x00000020, 0x08000000,
        0x00020020, 0x08020000, 0x08020820, 0x00020800,
        0x08020800, 0x00020820, 0x00000800, 0x00000020,
        0x08020000, 0x08000020, 0x08000800, 0x00000820,
        0x00020800, 0x00020020, 0x08020020, 0x08020800,
        0x00000820, 0x00000000, 0x00000000, 0x08020020,
        0x08000020, 0x08000800, 0x00020820, 0x00020000,
        0x00020820, 0x00020000, 0x08020800, 0x00000800,
        0x00000020, 0x08020020, 0x00000800, 0x00020820,
        0x08000800, 0x00000020, 0x08000020, 0x08020000,
        0x08020020, 0x08000000, 0x00020000, 0x08000820,
        0x00000000, 0x08020820, 0x00020020, 0x08000020,
        0x08020000, 0x08000800, 0x08000820, 0x00000000,
        0x08020820, 0x00020800, 0x00020800, 0x00000820,
        0x00000820, 0x00020020, 0x08000000, 0x08020800
    ];

    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws BadModeException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

        if ($this->mode == self::MODE_STREAM) {
            throw new BadModeException('Block ciphers cannot be ran in stream mode');
        }
    }

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        if ($this->key_length_max == 8) {
            if ($engine == self::ENGINE_OPENSSL) {
                $this->cipher_name_openssl_ecb = 'des-ecb';
                $this->cipher_name_openssl = 'des-' . $this->openssl_translate_mode();
            }
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Sets the key.
     *
     * Keys must be 64-bits long or 8 bytes long.
     *
     * DES also requires that every eighth bit be a parity bit, however, we'll ignore that.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setKey()
     * @access public
     * @param string $key
     */
    public function setKey($key)
    {
        if (!($this instanceof TripleDES) && strlen($key) != 8) {
            throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of size 8 are supported');
        }

        // Sets the key
        parent::setKey($key);
    }

    /**
     * Encrypts a block
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encryptBlock()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see self::encrypt()
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {
        return $this->processBlock($in, self::ENCRYPT);
    }

    /**
     * Decrypts a block
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decryptBlock()
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @see self::decrypt()
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {
        return $this->processBlock($in, self::DECRYPT);
    }

    /**
     * Encrypts or decrypts a 64-bit block
     *
     * $mode should be either self::ENCRYPT or self::DECRYPT.  See
     * {@link http://en.wikipedia.org/wiki/Image:Feistel.png Feistel.png} to get a general
     * idea of what this function does.
     *
     * @see self::encryptBlock()
     * @see self::decryptBlock()
     * @access private
     * @param string $block
     * @param int $mode
     * @return string
     */
    private function processBlock($block, $mode)
    {
        static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip;
        if (!$sbox1) {
            $sbox1 = array_map('intval', self::$sbox1);
            $sbox2 = array_map('intval', self::$sbox2);
            $sbox3 = array_map('intval', self::$sbox3);
            $sbox4 = array_map('intval', self::$sbox4);
            $sbox5 = array_map('intval', self::$sbox5);
            $sbox6 = array_map('intval', self::$sbox6);
            $sbox7 = array_map('intval', self::$sbox7);
            $sbox8 = array_map('intval', self::$sbox8);
            /* Merge $shuffle with $[inv]ipmap */
            for ($i = 0; $i < 256; ++$i) {
                $shuffleip[]    =  self::$shuffle[self::$ipmap[$i]];
                $shuffleinvip[] =  self::$shuffle[self::$invipmap[$i]];
            }
        }

        $keys  = $this->keys[$mode];
        $ki    = -1;

        // Do the initial IP permutation.
        $t = unpack('Nl/Nr', $block);
        list($l, $r) = [$t['l'], $t['r']];
        $block = ($shuffleip[ $r        & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
                 ($shuffleip[($r >>  8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
                 ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
                 ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
                 ($shuffleip[ $l        & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
                 ($shuffleip[($l >>  8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
                 ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
                 ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");

        // Extract L0 and R0.
        $t = unpack('Nl/Nr', $block);
        list($l, $r) = [$t['l'], $t['r']];

        for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) {
            // Perform the 16 steps.
            for ($i = 0; $i < 16; $i++) {
                // start of "the Feistel (F) function" - see the following URL:
                // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png
                // Merge key schedule.
                $b1 = (($r >>  3) & 0x1FFFFFFF) ^ ($r << 29) ^ $keys[++$ki];
                $b2 = (($r >> 31) & 0x00000001) ^ ($r <<  1) ^ $keys[++$ki];

                // S-box indexing.
                $t = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^
                     $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^
                     $sbox5[($b1 >>  8) & 0x3F] ^ $sbox6[($b2 >>  8) & 0x3F] ^
                     $sbox7[ $b1        & 0x3F] ^ $sbox8[ $b2        & 0x3F] ^ $l;
                // end of "the Feistel (F) function"

                $l = $r;
                $r = $t;
            }

            // Last step should not permute L & R.
            $t = $l;
            $l = $r;
            $r = $t;
        }

        // Perform the inverse IP permutation.
        return ($shuffleinvip[($r >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
               ($shuffleinvip[($l >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
               ($shuffleinvip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
               ($shuffleinvip[($l >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
               ($shuffleinvip[($r >>  8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
               ($shuffleinvip[($l >>  8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
               ($shuffleinvip[ $r        & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
               ($shuffleinvip[ $l        & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");
    }

    /**
     * Creates the key schedule
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupKey()
     * @access private
     */
    protected function setupKey()
    {
        if (isset($this->kl['key']) && $this->key === $this->kl['key'] && $this->des_rounds === $this->kl['des_rounds']) {
            // already expanded
            return;
        }
        $this->kl = ['key' => $this->key, 'des_rounds' => $this->des_rounds];

        static $shifts = [ // number of key bits shifted per round
            1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
        ];

        static $pc1map = [
            0x00, 0x00, 0x08, 0x08, 0x04, 0x04, 0x0C, 0x0C,
            0x02, 0x02, 0x0A, 0x0A, 0x06, 0x06, 0x0E, 0x0E,
            0x10, 0x10, 0x18, 0x18, 0x14, 0x14, 0x1C, 0x1C,
            0x12, 0x12, 0x1A, 0x1A, 0x16, 0x16, 0x1E, 0x1E,
            0x20, 0x20, 0x28, 0x28, 0x24, 0x24, 0x2C, 0x2C,
            0x22, 0x22, 0x2A, 0x2A, 0x26, 0x26, 0x2E, 0x2E,
            0x30, 0x30, 0x38, 0x38, 0x34, 0x34, 0x3C, 0x3C,
            0x32, 0x32, 0x3A, 0x3A, 0x36, 0x36, 0x3E, 0x3E,
            0x40, 0x40, 0x48, 0x48, 0x44, 0x44, 0x4C, 0x4C,
            0x42, 0x42, 0x4A, 0x4A, 0x46, 0x46, 0x4E, 0x4E,
            0x50, 0x50, 0x58, 0x58, 0x54, 0x54, 0x5C, 0x5C,
            0x52, 0x52, 0x5A, 0x5A, 0x56, 0x56, 0x5E, 0x5E,
            0x60, 0x60, 0x68, 0x68, 0x64, 0x64, 0x6C, 0x6C,
            0x62, 0x62, 0x6A, 0x6A, 0x66, 0x66, 0x6E, 0x6E,
            0x70, 0x70, 0x78, 0x78, 0x74, 0x74, 0x7C, 0x7C,
            0x72, 0x72, 0x7A, 0x7A, 0x76, 0x76, 0x7E, 0x7E,
            0x80, 0x80, 0x88, 0x88, 0x84, 0x84, 0x8C, 0x8C,
            0x82, 0x82, 0x8A, 0x8A, 0x86, 0x86, 0x8E, 0x8E,
            0x90, 0x90, 0x98, 0x98, 0x94, 0x94, 0x9C, 0x9C,
            0x92, 0x92, 0x9A, 0x9A, 0x96, 0x96, 0x9E, 0x9E,
            0xA0, 0xA0, 0xA8, 0xA8, 0xA4, 0xA4, 0xAC, 0xAC,
            0xA2, 0xA2, 0xAA, 0xAA, 0xA6, 0xA6, 0xAE, 0xAE,
            0xB0, 0xB0, 0xB8, 0xB8, 0xB4, 0xB4, 0xBC, 0xBC,
            0xB2, 0xB2, 0xBA, 0xBA, 0xB6, 0xB6, 0xBE, 0xBE,
            0xC0, 0xC0, 0xC8, 0xC8, 0xC4, 0xC4, 0xCC, 0xCC,
            0xC2, 0xC2, 0xCA, 0xCA, 0xC6, 0xC6, 0xCE, 0xCE,
            0xD0, 0xD0, 0xD8, 0xD8, 0xD4, 0xD4, 0xDC, 0xDC,
            0xD2, 0xD2, 0xDA, 0xDA, 0xD6, 0xD6, 0xDE, 0xDE,
            0xE0, 0xE0, 0xE8, 0xE8, 0xE4, 0xE4, 0xEC, 0xEC,
            0xE2, 0xE2, 0xEA, 0xEA, 0xE6, 0xE6, 0xEE, 0xEE,
            0xF0, 0xF0, 0xF8, 0xF8, 0xF4, 0xF4, 0xFC, 0xFC,
            0xF2, 0xF2, 0xFA, 0xFA, 0xF6, 0xF6, 0xFE, 0xFE
        ];

        // Mapping tables for the PC-2 transformation.
        static $pc2mapc1 = [
            0x00000000, 0x00000400, 0x00200000, 0x00200400,
            0x00000001, 0x00000401, 0x00200001, 0x00200401,
            0x02000000, 0x02000400, 0x02200000, 0x02200400,
            0x02000001, 0x02000401, 0x02200001, 0x02200401
        ];
        static $pc2mapc2 = [
            0x00000000, 0x00000800, 0x08000000, 0x08000800,
            0x00010000, 0x00010800, 0x08010000, 0x08010800,
            0x00000000, 0x00000800, 0x08000000, 0x08000800,
            0x00010000, 0x00010800, 0x08010000, 0x08010800,
            0x00000100, 0x00000900, 0x08000100, 0x08000900,
            0x00010100, 0x00010900, 0x08010100, 0x08010900,
            0x00000100, 0x00000900, 0x08000100, 0x08000900,
            0x00010100, 0x00010900, 0x08010100, 0x08010900,
            0x00000010, 0x00000810, 0x08000010, 0x08000810,
            0x00010010, 0x00010810, 0x08010010, 0x08010810,
            0x00000010, 0x00000810, 0x08000010, 0x08000810,
            0x00010010, 0x00010810, 0x08010010, 0x08010810,
            0x00000110, 0x00000910, 0x08000110, 0x08000910,
            0x00010110, 0x00010910, 0x08010110, 0x08010910,
            0x00000110, 0x00000910, 0x08000110, 0x08000910,
            0x00010110, 0x00010910, 0x08010110, 0x08010910,
            0x00040000, 0x00040800, 0x08040000, 0x08040800,
            0x00050000, 0x00050800, 0x08050000, 0x08050800,
            0x00040000, 0x00040800, 0x08040000, 0x08040800,
            0x00050000, 0x00050800, 0x08050000, 0x08050800,
            0x00040100, 0x00040900, 0x08040100, 0x08040900,
            0x00050100, 0x00050900, 0x08050100, 0x08050900,
            0x00040100, 0x00040900, 0x08040100, 0x08040900,
            0x00050100, 0x00050900, 0x08050100, 0x08050900,
            0x00040010, 0x00040810, 0x08040010, 0x08040810,
            0x00050010, 0x00050810, 0x08050010, 0x08050810,
            0x00040010, 0x00040810, 0x08040010, 0x08040810,
            0x00050010, 0x00050810, 0x08050010, 0x08050810,
            0x00040110, 0x00040910, 0x08040110, 0x08040910,
            0x00050110, 0x00050910, 0x08050110, 0x08050910,
            0x00040110, 0x00040910, 0x08040110, 0x08040910,
            0x00050110, 0x00050910, 0x08050110, 0x08050910,
            0x01000000, 0x01000800, 0x09000000, 0x09000800,
            0x01010000, 0x01010800, 0x09010000, 0x09010800,
            0x01000000, 0x01000800, 0x09000000, 0x09000800,
            0x01010000, 0x01010800, 0x09010000, 0x09010800,
            0x01000100, 0x01000900, 0x09000100, 0x09000900,
            0x01010100, 0x01010900, 0x09010100, 0x09010900,
            0x01000100, 0x01000900, 0x09000100, 0x09000900,
            0x01010100, 0x01010900, 0x09010100, 0x09010900,
            0x01000010, 0x01000810, 0x09000010, 0x09000810,
            0x01010010, 0x01010810, 0x09010010, 0x09010810,
            0x01000010, 0x01000810, 0x09000010, 0x09000810,
            0x01010010, 0x01010810, 0x09010010, 0x09010810,
            0x01000110, 0x01000910, 0x09000110, 0x09000910,
            0x01010110, 0x01010910, 0x09010110, 0x09010910,
            0x01000110, 0x01000910, 0x09000110, 0x09000910,
            0x01010110, 0x01010910, 0x09010110, 0x09010910,
            0x01040000, 0x01040800, 0x09040000, 0x09040800,
            0x01050000, 0x01050800, 0x09050000, 0x09050800,
            0x01040000, 0x01040800, 0x09040000, 0x09040800,
            0x01050000, 0x01050800, 0x09050000, 0x09050800,
            0x01040100, 0x01040900, 0x09040100, 0x09040900,
            0x01050100, 0x01050900, 0x09050100, 0x09050900,
            0x01040100, 0x01040900, 0x09040100, 0x09040900,
            0x01050100, 0x01050900, 0x09050100, 0x09050900,
            0x01040010, 0x01040810, 0x09040010, 0x09040810,
            0x01050010, 0x01050810, 0x09050010, 0x09050810,
            0x01040010, 0x01040810, 0x09040010, 0x09040810,
            0x01050010, 0x01050810, 0x09050010, 0x09050810,
            0x01040110, 0x01040910, 0x09040110, 0x09040910,
            0x01050110, 0x01050910, 0x09050110, 0x09050910,
            0x01040110, 0x01040910, 0x09040110, 0x09040910,
            0x01050110, 0x01050910, 0x09050110, 0x09050910
        ];
        static $pc2mapc3 = [
            0x00000000, 0x00000004, 0x00001000, 0x00001004,
            0x00000000, 0x00000004, 0x00001000, 0x00001004,
            0x10000000, 0x10000004, 0x10001000, 0x10001004,
            0x10000000, 0x10000004, 0x10001000, 0x10001004,
            0x00000020, 0x00000024, 0x00001020, 0x00001024,
            0x00000020, 0x00000024, 0x00001020, 0x00001024,
            0x10000020, 0x10000024, 0x10001020, 0x10001024,
            0x10000020, 0x10000024, 0x10001020, 0x10001024,
            0x00080000, 0x00080004, 0x00081000, 0x00081004,
            0x00080000, 0x00080004, 0x00081000, 0x00081004,
            0x10080000, 0x10080004, 0x10081000, 0x10081004,
            0x10080000, 0x10080004, 0x10081000, 0x10081004,
            0x00080020, 0x00080024, 0x00081020, 0x00081024,
            0x00080020, 0x00080024, 0x00081020, 0x00081024,
            0x10080020, 0x10080024, 0x10081020, 0x10081024,
            0x10080020, 0x10080024, 0x10081020, 0x10081024,
            0x20000000, 0x20000004, 0x20001000, 0x20001004,
            0x20000000, 0x20000004, 0x20001000, 0x20001004,
            0x30000000, 0x30000004, 0x30001000, 0x30001004,
            0x30000000, 0x30000004, 0x30001000, 0x30001004,
            0x20000020, 0x20000024, 0x20001020, 0x20001024,
            0x20000020, 0x20000024, 0x20001020, 0x20001024,
            0x30000020, 0x30000024, 0x30001020, 0x30001024,
            0x30000020, 0x30000024, 0x30001020, 0x30001024,
            0x20080000, 0x20080004, 0x20081000, 0x20081004,
            0x20080000, 0x20080004, 0x20081000, 0x20081004,
            0x30080000, 0x30080004, 0x30081000, 0x30081004,
            0x30080000, 0x30080004, 0x30081000, 0x30081004,
            0x20080020, 0x20080024, 0x20081020, 0x20081024,
            0x20080020, 0x20080024, 0x20081020, 0x20081024,
            0x30080020, 0x30080024, 0x30081020, 0x30081024,
            0x30080020, 0x30080024, 0x30081020, 0x30081024,
            0x00000002, 0x00000006, 0x00001002, 0x00001006,
            0x00000002, 0x00000006, 0x00001002, 0x00001006,
            0x10000002, 0x10000006, 0x10001002, 0x10001006,
            0x10000002, 0x10000006, 0x10001002, 0x10001006,
            0x00000022, 0x00000026, 0x00001022, 0x00001026,
            0x00000022, 0x00000026, 0x00001022, 0x00001026,
            0x10000022, 0x10000026, 0x10001022, 0x10001026,
            0x10000022, 0x10000026, 0x10001022, 0x10001026,
            0x00080002, 0x00080006, 0x00081002, 0x00081006,
            0x00080002, 0x00080006, 0x00081002, 0x00081006,
            0x10080002, 0x10080006, 0x10081002, 0x10081006,
            0x10080002, 0x10080006, 0x10081002, 0x10081006,
            0x00080022, 0x00080026, 0x00081022, 0x00081026,
            0x00080022, 0x00080026, 0x00081022, 0x00081026,
            0x10080022, 0x10080026, 0x10081022, 0x10081026,
            0x10080022, 0x10080026, 0x10081022, 0x10081026,
            0x20000002, 0x20000006, 0x20001002, 0x20001006,
            0x20000002, 0x20000006, 0x20001002, 0x20001006,
            0x30000002, 0x30000006, 0x30001002, 0x30001006,
            0x30000002, 0x30000006, 0x30001002, 0x30001006,
            0x20000022, 0x20000026, 0x20001022, 0x20001026,
            0x20000022, 0x20000026, 0x20001022, 0x20001026,
            0x30000022, 0x30000026, 0x30001022, 0x30001026,
            0x30000022, 0x30000026, 0x30001022, 0x30001026,
            0x20080002, 0x20080006, 0x20081002, 0x20081006,
            0x20080002, 0x20080006, 0x20081002, 0x20081006,
            0x30080002, 0x30080006, 0x30081002, 0x30081006,
            0x30080002, 0x30080006, 0x30081002, 0x30081006,
            0x20080022, 0x20080026, 0x20081022, 0x20081026,
            0x20080022, 0x20080026, 0x20081022, 0x20081026,
            0x30080022, 0x30080026, 0x30081022, 0x30081026,
            0x30080022, 0x30080026, 0x30081022, 0x30081026
        ];
        static $pc2mapc4 = [
            0x00000000, 0x00100000, 0x00000008, 0x00100008,
            0x00000200, 0x00100200, 0x00000208, 0x00100208,
            0x00000000, 0x00100000, 0x00000008, 0x00100008,
            0x00000200, 0x00100200, 0x00000208, 0x00100208,
            0x04000000, 0x04100000, 0x04000008, 0x04100008,
            0x04000200, 0x04100200, 0x04000208, 0x04100208,
            0x04000000, 0x04100000, 0x04000008, 0x04100008,
            0x04000200, 0x04100200, 0x04000208, 0x04100208,
            0x00002000, 0x00102000, 0x00002008, 0x00102008,
            0x00002200, 0x00102200, 0x00002208, 0x00102208,
            0x00002000, 0x00102000, 0x00002008, 0x00102008,
            0x00002200, 0x00102200, 0x00002208, 0x00102208,
            0x04002000, 0x04102000, 0x04002008, 0x04102008,
            0x04002200, 0x04102200, 0x04002208, 0x04102208,
            0x04002000, 0x04102000, 0x04002008, 0x04102008,
            0x04002200, 0x04102200, 0x04002208, 0x04102208,
            0x00000000, 0x00100000, 0x00000008, 0x00100008,
            0x00000200, 0x00100200, 0x00000208, 0x00100208,
            0x00000000, 0x00100000, 0x00000008, 0x00100008,
            0x00000200, 0x00100200, 0x00000208, 0x00100208,
            0x04000000, 0x04100000, 0x04000008, 0x04100008,
            0x04000200, 0x04100200, 0x04000208, 0x04100208,
            0x04000000, 0x04100000, 0x04000008, 0x04100008,
            0x04000200, 0x04100200, 0x04000208, 0x04100208,
            0x00002000, 0x00102000, 0x00002008, 0x00102008,
            0x00002200, 0x00102200, 0x00002208, 0x00102208,
            0x00002000, 0x00102000, 0x00002008, 0x00102008,
            0x00002200, 0x00102200, 0x00002208, 0x00102208,
            0x04002000, 0x04102000, 0x04002008, 0x04102008,
            0x04002200, 0x04102200, 0x04002208, 0x04102208,
            0x04002000, 0x04102000, 0x04002008, 0x04102008,
            0x04002200, 0x04102200, 0x04002208, 0x04102208,
            0x00020000, 0x00120000, 0x00020008, 0x00120008,
            0x00020200, 0x00120200, 0x00020208, 0x00120208,
            0x00020000, 0x00120000, 0x00020008, 0x00120008,
            0x00020200, 0x00120200, 0x00020208, 0x00120208,
            0x04020000, 0x04120000, 0x04020008, 0x04120008,
            0x04020200, 0x04120200, 0x04020208, 0x04120208,
            0x04020000, 0x04120000, 0x04020008, 0x04120008,
            0x04020200, 0x04120200, 0x04020208, 0x04120208,
            0x00022000, 0x00122000, 0x00022008, 0x00122008,
            0x00022200, 0x00122200, 0x00022208, 0x00122208,
            0x00022000, 0x00122000, 0x00022008, 0x00122008,
            0x00022200, 0x00122200, 0x00022208, 0x00122208,
            0x04022000, 0x04122000, 0x04022008, 0x04122008,
            0x04022200, 0x04122200, 0x04022208, 0x04122208,
            0x04022000, 0x04122000, 0x04022008, 0x04122008,
            0x04022200, 0x04122200, 0x04022208, 0x04122208,
            0x00020000, 0x00120000, 0x00020008, 0x00120008,
            0x00020200, 0x00120200, 0x00020208, 0x00120208,
            0x00020000, 0x00120000, 0x00020008, 0x00120008,
            0x00020200, 0x00120200, 0x00020208, 0x00120208,
            0x04020000, 0x04120000, 0x04020008, 0x04120008,
            0x04020200, 0x04120200, 0x04020208, 0x04120208,
            0x04020000, 0x04120000, 0x04020008, 0x04120008,
            0x04020200, 0x04120200, 0x04020208, 0x04120208,
            0x00022000, 0x00122000, 0x00022008, 0x00122008,
            0x00022200, 0x00122200, 0x00022208, 0x00122208,
            0x00022000, 0x00122000, 0x00022008, 0x00122008,
            0x00022200, 0x00122200, 0x00022208, 0x00122208,
            0x04022000, 0x04122000, 0x04022008, 0x04122008,
            0x04022200, 0x04122200, 0x04022208, 0x04122208,
            0x04022000, 0x04122000, 0x04022008, 0x04122008,
            0x04022200, 0x04122200, 0x04022208, 0x04122208
        ];
        static $pc2mapd1 = [
            0x00000000, 0x00000001, 0x08000000, 0x08000001,
            0x00200000, 0x00200001, 0x08200000, 0x08200001,
            0x00000002, 0x00000003, 0x08000002, 0x08000003,
            0x00200002, 0x00200003, 0x08200002, 0x08200003
        ];
        static $pc2mapd2 = [
            0x00000000, 0x00100000, 0x00000800, 0x00100800,
            0x00000000, 0x00100000, 0x00000800, 0x00100800,
            0x04000000, 0x04100000, 0x04000800, 0x04100800,
            0x04000000, 0x04100000, 0x04000800, 0x04100800,
            0x00000004, 0x00100004, 0x00000804, 0x00100804,
            0x00000004, 0x00100004, 0x00000804, 0x00100804,
            0x04000004, 0x04100004, 0x04000804, 0x04100804,
            0x04000004, 0x04100004, 0x04000804, 0x04100804,
            0x00000000, 0x00100000, 0x00000800, 0x00100800,
            0x00000000, 0x00100000, 0x00000800, 0x00100800,
            0x04000000, 0x04100000, 0x04000800, 0x04100800,
            0x04000000, 0x04100000, 0x04000800, 0x04100800,
            0x00000004, 0x00100004, 0x00000804, 0x00100804,
            0x00000004, 0x00100004, 0x00000804, 0x00100804,
            0x04000004, 0x04100004, 0x04000804, 0x04100804,
            0x04000004, 0x04100004, 0x04000804, 0x04100804,
            0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
            0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
            0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
            0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
            0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
            0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
            0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
            0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
            0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
            0x00000200, 0x00100200, 0x00000A00, 0x00100A00,
            0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
            0x04000200, 0x04100200, 0x04000A00, 0x04100A00,
            0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
            0x00000204, 0x00100204, 0x00000A04, 0x00100A04,
            0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
            0x04000204, 0x04100204, 0x04000A04, 0x04100A04,
            0x00020000, 0x00120000, 0x00020800, 0x00120800,
            0x00020000, 0x00120000, 0x00020800, 0x00120800,
            0x04020000, 0x04120000, 0x04020800, 0x04120800,
            0x04020000, 0x04120000, 0x04020800, 0x04120800,
            0x00020004, 0x00120004, 0x00020804, 0x00120804,
            0x00020004, 0x00120004, 0x00020804, 0x00120804,
            0x04020004, 0x04120004, 0x04020804, 0x04120804,
            0x04020004, 0x04120004, 0x04020804, 0x04120804,
            0x00020000, 0x00120000, 0x00020800, 0x00120800,
            0x00020000, 0x00120000, 0x00020800, 0x00120800,
            0x04020000, 0x04120000, 0x04020800, 0x04120800,
            0x04020000, 0x04120000, 0x04020800, 0x04120800,
            0x00020004, 0x00120004, 0x00020804, 0x00120804,
            0x00020004, 0x00120004, 0x00020804, 0x00120804,
            0x04020004, 0x04120004, 0x04020804, 0x04120804,
            0x04020004, 0x04120004, 0x04020804, 0x04120804,
            0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
            0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
            0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
            0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
            0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
            0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
            0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
            0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
            0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
            0x00020200, 0x00120200, 0x00020A00, 0x00120A00,
            0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
            0x04020200, 0x04120200, 0x04020A00, 0x04120A00,
            0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
            0x00020204, 0x00120204, 0x00020A04, 0x00120A04,
            0x04020204, 0x04120204, 0x04020A04, 0x04120A04,
            0x04020204, 0x04120204, 0x04020A04, 0x04120A04
        ];
        static $pc2mapd3 = [
            0x00000000, 0x00010000, 0x02000000, 0x02010000,
            0x00000020, 0x00010020, 0x02000020, 0x02010020,
            0x00040000, 0x00050000, 0x02040000, 0x02050000,
            0x00040020, 0x00050020, 0x02040020, 0x02050020,
            0x00002000, 0x00012000, 0x02002000, 0x02012000,
            0x00002020, 0x00012020, 0x02002020, 0x02012020,
            0x00042000, 0x00052000, 0x02042000, 0x02052000,
            0x00042020, 0x00052020, 0x02042020, 0x02052020,
            0x00000000, 0x00010000, 0x02000000, 0x02010000,
            0x00000020, 0x00010020, 0x02000020, 0x02010020,
            0x00040000, 0x00050000, 0x02040000, 0x02050000,
            0x00040020, 0x00050020, 0x02040020, 0x02050020,
            0x00002000, 0x00012000, 0x02002000, 0x02012000,
            0x00002020, 0x00012020, 0x02002020, 0x02012020,
            0x00042000, 0x00052000, 0x02042000, 0x02052000,
            0x00042020, 0x00052020, 0x02042020, 0x02052020,
            0x00000010, 0x00010010, 0x02000010, 0x02010010,
            0x00000030, 0x00010030, 0x02000030, 0x02010030,
            0x00040010, 0x00050010, 0x02040010, 0x02050010,
            0x00040030, 0x00050030, 0x02040030, 0x02050030,
            0x00002010, 0x00012010, 0x02002010, 0x02012010,
            0x00002030, 0x00012030, 0x02002030, 0x02012030,
            0x00042010, 0x00052010, 0x02042010, 0x02052010,
            0x00042030, 0x00052030, 0x02042030, 0x02052030,
            0x00000010, 0x00010010, 0x02000010, 0x02010010,
            0x00000030, 0x00010030, 0x02000030, 0x02010030,
            0x00040010, 0x00050010, 0x02040010, 0x02050010,
            0x00040030, 0x00050030, 0x02040030, 0x02050030,
            0x00002010, 0x00012010, 0x02002010, 0x02012010,
            0x00002030, 0x00012030, 0x02002030, 0x02012030,
            0x00042010, 0x00052010, 0x02042010, 0x02052010,
            0x00042030, 0x00052030, 0x02042030, 0x02052030,
            0x20000000, 0x20010000, 0x22000000, 0x22010000,
            0x20000020, 0x20010020, 0x22000020, 0x22010020,
            0x20040000, 0x20050000, 0x22040000, 0x22050000,
            0x20040020, 0x20050020, 0x22040020, 0x22050020,
            0x20002000, 0x20012000, 0x22002000, 0x22012000,
            0x20002020, 0x20012020, 0x22002020, 0x22012020,
            0x20042000, 0x20052000, 0x22042000, 0x22052000,
            0x20042020, 0x20052020, 0x22042020, 0x22052020,
            0x20000000, 0x20010000, 0x22000000, 0x22010000,
            0x20000020, 0x20010020, 0x22000020, 0x22010020,
            0x20040000, 0x20050000, 0x22040000, 0x22050000,
            0x20040020, 0x20050020, 0x22040020, 0x22050020,
            0x20002000, 0x20012000, 0x22002000, 0x22012000,
            0x20002020, 0x20012020, 0x22002020, 0x22012020,
            0x20042000, 0x20052000, 0x22042000, 0x22052000,
            0x20042020, 0x20052020, 0x22042020, 0x22052020,
            0x20000010, 0x20010010, 0x22000010, 0x22010010,
            0x20000030, 0x20010030, 0x22000030, 0x22010030,
            0x20040010, 0x20050010, 0x22040010, 0x22050010,
            0x20040030, 0x20050030, 0x22040030, 0x22050030,
            0x20002010, 0x20012010, 0x22002010, 0x22012010,
            0x20002030, 0x20012030, 0x22002030, 0x22012030,
            0x20042010, 0x20052010, 0x22042010, 0x22052010,
            0x20042030, 0x20052030, 0x22042030, 0x22052030,
            0x20000010, 0x20010010, 0x22000010, 0x22010010,
            0x20000030, 0x20010030, 0x22000030, 0x22010030,
            0x20040010, 0x20050010, 0x22040010, 0x22050010,
            0x20040030, 0x20050030, 0x22040030, 0x22050030,
            0x20002010, 0x20012010, 0x22002010, 0x22012010,
            0x20002030, 0x20012030, 0x22002030, 0x22012030,
            0x20042010, 0x20052010, 0x22042010, 0x22052010,
            0x20042030, 0x20052030, 0x22042030, 0x22052030
        ];
        static $pc2mapd4 = [
            0x00000000, 0x00000400, 0x01000000, 0x01000400,
            0x00000000, 0x00000400, 0x01000000, 0x01000400,
            0x00000100, 0x00000500, 0x01000100, 0x01000500,
            0x00000100, 0x00000500, 0x01000100, 0x01000500,
            0x10000000, 0x10000400, 0x11000000, 0x11000400,
            0x10000000, 0x10000400, 0x11000000, 0x11000400,
            0x10000100, 0x10000500, 0x11000100, 0x11000500,
            0x10000100, 0x10000500, 0x11000100, 0x11000500,
            0x00080000, 0x00080400, 0x01080000, 0x01080400,
            0x00080000, 0x00080400, 0x01080000, 0x01080400,
            0x00080100, 0x00080500, 0x01080100, 0x01080500,
            0x00080100, 0x00080500, 0x01080100, 0x01080500,
            0x10080000, 0x10080400, 0x11080000, 0x11080400,
            0x10080000, 0x10080400, 0x11080000, 0x11080400,
            0x10080100, 0x10080500, 0x11080100, 0x11080500,
            0x10080100, 0x10080500, 0x11080100, 0x11080500,
            0x00000008, 0x00000408, 0x01000008, 0x01000408,
            0x00000008, 0x00000408, 0x01000008, 0x01000408,
            0x00000108, 0x00000508, 0x01000108, 0x01000508,
            0x00000108, 0x00000508, 0x01000108, 0x01000508,
            0x10000008, 0x10000408, 0x11000008, 0x11000408,
            0x10000008, 0x10000408, 0x11000008, 0x11000408,
            0x10000108, 0x10000508, 0x11000108, 0x11000508,
            0x10000108, 0x10000508, 0x11000108, 0x11000508,
            0x00080008, 0x00080408, 0x01080008, 0x01080408,
            0x00080008, 0x00080408, 0x01080008, 0x01080408,
            0x00080108, 0x00080508, 0x01080108, 0x01080508,
            0x00080108, 0x00080508, 0x01080108, 0x01080508,
            0x10080008, 0x10080408, 0x11080008, 0x11080408,
            0x10080008, 0x10080408, 0x11080008, 0x11080408,
            0x10080108, 0x10080508, 0x11080108, 0x11080508,
            0x10080108, 0x10080508, 0x11080108, 0x11080508,
            0x00001000, 0x00001400, 0x01001000, 0x01001400,
            0x00001000, 0x00001400, 0x01001000, 0x01001400,
            0x00001100, 0x00001500, 0x01001100, 0x01001500,
            0x00001100, 0x00001500, 0x01001100, 0x01001500,
            0x10001000, 0x10001400, 0x11001000, 0x11001400,
            0x10001000, 0x10001400, 0x11001000, 0x11001400,
            0x10001100, 0x10001500, 0x11001100, 0x11001500,
            0x10001100, 0x10001500, 0x11001100, 0x11001500,
            0x00081000, 0x00081400, 0x01081000, 0x01081400,
            0x00081000, 0x00081400, 0x01081000, 0x01081400,
            0x00081100, 0x00081500, 0x01081100, 0x01081500,
            0x00081100, 0x00081500, 0x01081100, 0x01081500,
            0x10081000, 0x10081400, 0x11081000, 0x11081400,
            0x10081000, 0x10081400, 0x11081000, 0x11081400,
            0x10081100, 0x10081500, 0x11081100, 0x11081500,
            0x10081100, 0x10081500, 0x11081100, 0x11081500,
            0x00001008, 0x00001408, 0x01001008, 0x01001408,
            0x00001008, 0x00001408, 0x01001008, 0x01001408,
            0x00001108, 0x00001508, 0x01001108, 0x01001508,
            0x00001108, 0x00001508, 0x01001108, 0x01001508,
            0x10001008, 0x10001408, 0x11001008, 0x11001408,
            0x10001008, 0x10001408, 0x11001008, 0x11001408,
            0x10001108, 0x10001508, 0x11001108, 0x11001508,
            0x10001108, 0x10001508, 0x11001108, 0x11001508,
            0x00081008, 0x00081408, 0x01081008, 0x01081408,
            0x00081008, 0x00081408, 0x01081008, 0x01081408,
            0x00081108, 0x00081508, 0x01081108, 0x01081508,
            0x00081108, 0x00081508, 0x01081108, 0x01081508,
            0x10081008, 0x10081408, 0x11081008, 0x11081408,
            0x10081008, 0x10081408, 0x11081008, 0x11081408,
            0x10081108, 0x10081508, 0x11081108, 0x11081508,
            0x10081108, 0x10081508, 0x11081108, 0x11081508
        ];

        $keys = [];
        for ($des_round = 0; $des_round < $this->des_rounds; ++$des_round) {
            // pad the key and remove extra characters as appropriate.
            $key = str_pad(substr($this->key, $des_round * 8, 8), 8, "\0");

            // Perform the PC/1 transformation and compute C and D.
            $t = unpack('Nl/Nr', $key);
            list($l, $r) = [$t['l'], $t['r']];
            $key = (self::$shuffle[$pc1map[ $r        & 0xFF]] & "\x80\x80\x80\x80\x80\x80\x80\x00") |
                   (self::$shuffle[$pc1map[($r >>  8) & 0xFF]] & "\x40\x40\x40\x40\x40\x40\x40\x00") |
                   (self::$shuffle[$pc1map[($r >> 16) & 0xFF]] & "\x20\x20\x20\x20\x20\x20\x20\x00") |
                   (self::$shuffle[$pc1map[($r >> 24) & 0xFF]] & "\x10\x10\x10\x10\x10\x10\x10\x00") |
                   (self::$shuffle[$pc1map[ $l        & 0xFF]] & "\x08\x08\x08\x08\x08\x08\x08\x00") |
                   (self::$shuffle[$pc1map[($l >>  8) & 0xFF]] & "\x04\x04\x04\x04\x04\x04\x04\x00") |
                   (self::$shuffle[$pc1map[($l >> 16) & 0xFF]] & "\x02\x02\x02\x02\x02\x02\x02\x00") |
                   (self::$shuffle[$pc1map[($l >> 24) & 0xFF]] & "\x01\x01\x01\x01\x01\x01\x01\x00");
            $key = unpack('Nc/Nd', $key);
            $c = ( $key['c'] >> 4) & 0x0FFFFFFF;
            $d = (($key['d'] >> 4) & 0x0FFFFFF0) | ($key['c'] & 0x0F);

            $keys[$des_round] = [
                self::ENCRYPT => [],
                self::DECRYPT => array_fill(0, 32, 0)
            ];
            for ($i = 0, $ki = 31; $i < 16; ++$i, $ki -= 2) {
                $c <<= $shifts[$i];
                $c = ($c | ($c >> 28)) & 0x0FFFFFFF;
                $d <<= $shifts[$i];
                $d = ($d | ($d >> 28)) & 0x0FFFFFFF;

                // Perform the PC-2 transformation.
                $cp = $pc2mapc1[ $c >> 24        ] | $pc2mapc2[($c >> 16) & 0xFF] |
                      $pc2mapc3[($c >>  8) & 0xFF] | $pc2mapc4[ $c        & 0xFF];
                $dp = $pc2mapd1[ $d >> 24        ] | $pc2mapd2[($d >> 16) & 0xFF] |
                      $pc2mapd3[($d >>  8) & 0xFF] | $pc2mapd4[ $d        & 0xFF];

                // Reorder: odd bytes/even bytes. Push the result in key schedule.
                $val1 = ( $cp        & 0xFF000000) | (($cp <<  8) & 0x00FF0000) |
                        (($dp >> 16) & 0x0000FF00) | (($dp >>  8) & 0x000000FF);
                $val2 = (($cp <<  8) & 0xFF000000) | (($cp << 16) & 0x00FF0000) |
                        (($dp >>  8) & 0x0000FF00) | ( $dp        & 0x000000FF);
                $keys[$des_round][self::ENCRYPT][       ] = $val1;
                $keys[$des_round][self::DECRYPT][$ki - 1] = $val1;
                $keys[$des_round][self::ENCRYPT][       ] = $val2;
                $keys[$des_round][self::DECRYPT][$ki    ] = $val2;
            }
        }

        switch ($this->des_rounds) {
            case 3: // 3DES keys
                $this->keys = [
                    self::ENCRYPT => array_merge(
                        $keys[0][self::ENCRYPT],
                        $keys[1][self::DECRYPT],
                        $keys[2][self::ENCRYPT]
                    ),
                    self::DECRYPT => array_merge(
                        $keys[2][self::DECRYPT],
                        $keys[1][self::ENCRYPT],
                        $keys[0][self::DECRYPT]
                    )
                ];
                break;
            // case 1: // DES keys
            default:
                $this->keys = [
                    self::ENCRYPT => $keys[0][self::ENCRYPT],
                    self::DECRYPT => $keys[0][self::DECRYPT]
                ];
        }
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        // Engine configuration for:
        // -  DES ($des_rounds == 1) or
        // - 3DES ($des_rounds == 3)
        $des_rounds = $this->des_rounds;

        $init_crypt = 'static $sbox1, $sbox2, $sbox3, $sbox4, $sbox5, $sbox6, $sbox7, $sbox8, $shuffleip, $shuffleinvip;
            if (!$sbox1) {
                $sbox1 = array_map("intval", self::$sbox1);
                $sbox2 = array_map("intval", self::$sbox2);
                $sbox3 = array_map("intval", self::$sbox3);
                $sbox4 = array_map("intval", self::$sbox4);
                $sbox5 = array_map("intval", self::$sbox5);
                $sbox6 = array_map("intval", self::$sbox6);
                $sbox7 = array_map("intval", self::$sbox7);
                $sbox8 = array_map("intval", self::$sbox8);'
                /* Merge $shuffle with $[inv]ipmap */ . '
                for ($i = 0; $i < 256; ++$i) {
                    $shuffleip[]    =  self::$shuffle[self::$ipmap[$i]];
                    $shuffleinvip[] =  self::$shuffle[self::$invipmap[$i]];
                }
            }
        ';

        $k = [
            self::ENCRYPT => $this->keys[self::ENCRYPT],
            self::DECRYPT => $this->keys[self::DECRYPT]
        ];
        $init_encrypt = '';
        $init_decrypt = '';

        // Creating code for en- and decryption.
        $crypt_block = [];
        foreach ([self::ENCRYPT, self::DECRYPT] as $c) {
            /* Do the initial IP permutation. */
            $crypt_block[$c] = '
                $in = unpack("N*", $in);
                $l  = $in[1];
                $r  = $in[2];
                $in = unpack("N*",
                    ($shuffleip[ $r        & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
                    ($shuffleip[($r >>  8) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
                    ($shuffleip[($r >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
                    ($shuffleip[($r >> 24) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
                    ($shuffleip[ $l        & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
                    ($shuffleip[($l >>  8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
                    ($shuffleip[($l >> 16) & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
                    ($shuffleip[($l >> 24) & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01")
                );
                ' . /* Extract L0 and R0 */ '
                $l = $in[1];
                $r = $in[2];
            ';

            $l = '$l';
            $r = '$r';

            // Perform DES or 3DES.
            for ($ki = -1, $des_round = 0; $des_round < $des_rounds; ++$des_round) {
                // Perform the 16 steps.
                for ($i = 0; $i < 16; ++$i) {
                    // start of "the Feistel (F) function" - see the following URL:
                    // http://en.wikipedia.org/wiki/Image:Data_Encryption_Standard_InfoBox_Diagram.png
                    // Merge key schedule.
                    $crypt_block[$c] .= '
                        $b1 = ((' . $r . ' >>  3) & 0x1FFFFFFF)  ^ (' . $r . ' << 29) ^ ' . $k[$c][++$ki] . ';
                        $b2 = ((' . $r . ' >> 31) & 0x00000001)  ^ (' . $r . ' <<  1) ^ ' . $k[$c][++$ki] . ';' .
                        /* S-box indexing. */
                        $l . ' = $sbox1[($b1 >> 24) & 0x3F] ^ $sbox2[($b2 >> 24) & 0x3F] ^
                                 $sbox3[($b1 >> 16) & 0x3F] ^ $sbox4[($b2 >> 16) & 0x3F] ^
                                 $sbox5[($b1 >>  8) & 0x3F] ^ $sbox6[($b2 >>  8) & 0x3F] ^
                                 $sbox7[ $b1        & 0x3F] ^ $sbox8[ $b2        & 0x3F] ^ ' . $l . ';
                    ';
                    // end of "the Feistel (F) function"

                    // swap L & R
                    list($l, $r) = [$r, $l];
                }
                list($l, $r) = [$r, $l];
            }

            // Perform the inverse IP permutation.
            $crypt_block[$c] .= '$in =
                ($shuffleinvip[($l >> 24) & 0xFF] & "\x80\x80\x80\x80\x80\x80\x80\x80") |
                ($shuffleinvip[($r >> 24) & 0xFF] & "\x40\x40\x40\x40\x40\x40\x40\x40") |
                ($shuffleinvip[($l >> 16) & 0xFF] & "\x20\x20\x20\x20\x20\x20\x20\x20") |
                ($shuffleinvip[($r >> 16) & 0xFF] & "\x10\x10\x10\x10\x10\x10\x10\x10") |
                ($shuffleinvip[($l >>  8) & 0xFF] & "\x08\x08\x08\x08\x08\x08\x08\x08") |
                ($shuffleinvip[($r >>  8) & 0xFF] & "\x04\x04\x04\x04\x04\x04\x04\x04") |
                ($shuffleinvip[ $l        & 0xFF] & "\x02\x02\x02\x02\x02\x02\x02\x02") |
                ($shuffleinvip[ $r        & 0xFF] & "\x01\x01\x01\x01\x01\x01\x01\x01");
            ';
        }

        // Creates the inline-crypt function
        $this->inline_crypt = $this->createInlineCryptFunction(
            [
               'init_crypt'    => $init_crypt,
               'init_encrypt'  => $init_encrypt,
               'init_decrypt'  => $init_decrypt,
               'encrypt_block' => $crypt_block[self::ENCRYPT],
               'decrypt_block' => $crypt_block[self::DECRYPT]
            ]
        );
    }
}
PK     7‰U]â!k“–  –  2  vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of RC4.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * Useful resources are as follows:
 *
 *  - {@link http://www.mozilla.org/projects/security/pki/nss/draft-kaukonen-cipher-arcfour-03.txt ARCFOUR Algorithm}
 *  - {@link http://en.wikipedia.org/wiki/RC4 - Wikipedia: RC4}
 *
 * RC4 is also known as ARCFOUR or ARC4.  The reason is elaborated upon at Wikipedia.  This class is named RC4 and not
 * ARCFOUR or ARC4 because RC4 is how it is referred to in the SSH1 specification.
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $rc4 = new \phpseclib3\Crypt\RC4();
 *
 *    $rc4->setKey('abcdefgh');
 *
 *    $size = 10 * 1024;
 *    $plaintext = '';
 *    for ($i = 0; $i < $size; $i++) {
 *        $plaintext.= 'a';
 *    }
 *
 *    echo $rc4->decrypt($rc4->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   RC4
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\StreamCipher;

/**
 * Pure-PHP implementation of RC4.
 *
 * @package RC4
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class RC4 extends StreamCipher
{
    /**
     * @access private
     * @see \phpseclib3\Crypt\RC4::_crypt()
     */
    const ENCRYPT = 0;

    /**
     * @access private
     * @see \phpseclib3\Crypt\RC4::_crypt()
     */
    const DECRYPT = 1;

    /**
     * Key Length (in bytes)
     *
     * @see \phpseclib3\Crypt\RC4::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 128; // = 1024 bits

    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'arcfour';

    /**
     * The Key
     *
     * @see self::setKey()
     * @var string
     * @access private
     */
    protected $key;

    /**
     * The Key Stream for decryption and encryption
     *
     * @see self::setKey()
     * @var array
     * @access private
     */
    private $stream;

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::__construct()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        if ($engine == self::ENGINE_OPENSSL) {
            if ($this->continuousBuffer) {
                return false;
            }
            if (version_compare(PHP_VERSION, '5.3.7') >= 0) {
                $this->cipher_name_openssl = 'rc4-40';
            } else {
                switch (strlen($this->key)) {
                    case 5:
                        $this->cipher_name_openssl = 'rc4-40';
                        break;
                    case 8:
                        $this->cipher_name_openssl = 'rc4-64';
                        break;
                    case 16:
                        $this->cipher_name_openssl = 'rc4';
                        break;
                    default:
                        return false;
                }
            }
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Sets the key length
     *
     * Keys can be between 1 and 256 bytes long.
     *
     * @access public
     * @param int $length
     * @throws \LengthException if the key length is invalid
     */
    public function setKeyLength($length)
    {
        if ($length < 8 || $length > 2048) {
            throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys between 1 and 256 bytes are supported');
        }

        $this->key_length = $length >> 3;

        parent::setKeyLength($length);
    }

    /**
     * Sets the key length
     *
     * Keys can be between 1 and 256 bytes long.
     *
     * @access public
     * @param string $key
     */
    public function setKey($key)
    {
        $length = strlen($key);
        if ($length < 1 || $length > 256) {
            throw new \LengthException('Key size of ' . $length . ' bytes is not supported by RC4. Keys must be between 1 and 256 bytes long');
        }

        parent::setKey($key);
    }

    /**
     * Encrypts a message.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::decrypt()
     * @see self::crypt()
     * @access public
     * @param string $plaintext
     * @return string $ciphertext
     */
    public function encrypt($plaintext)
    {
        if ($this->engine != self::ENGINE_INTERNAL) {
            return parent::encrypt($plaintext);
        }
        return $this->crypt($plaintext, self::ENCRYPT);
    }

    /**
     * Decrypts a message.
     *
     * $this->decrypt($this->encrypt($plaintext)) == $this->encrypt($this->encrypt($plaintext)).
     * At least if the continuous buffer is disabled.
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::encrypt()
     * @see self::crypt()
     * @access public
     * @param string $ciphertext
     * @return string $plaintext
     */
    public function decrypt($ciphertext)
    {
        if ($this->engine != self::ENGINE_INTERNAL) {
            return parent::decrypt($ciphertext);
        }
        return $this->crypt($ciphertext, self::DECRYPT);
    }

    /**
     * Encrypts a block
     *
     * @access private
     * @param string $in
     */
    protected function encryptBlock($in)
    {
        // RC4 does not utilize this method
    }

    /**
     * Decrypts a block
     *
     * @access private
     * @param string $in
     */
    protected function decryptBlock($in)
    {
        // RC4 does not utilize this method
    }

    /**
     * Setup the key (expansion)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()
     * @access private
     */
    protected function setupKey()
    {
        $key = $this->key;
        $keyLength = strlen($key);
        $keyStream = range(0, 255);
        $j = 0;
        for ($i = 0; $i < 256; $i++) {
            $j = ($j + $keyStream[$i] + ord($key[$i % $keyLength])) & 255;
            $temp = $keyStream[$i];
            $keyStream[$i] = $keyStream[$j];
            $keyStream[$j] = $temp;
        }

        $this->stream = [];
        $this->stream[self::DECRYPT] = $this->stream[self::ENCRYPT] = [
            0, // index $i
            0, // index $j
            $keyStream
        ];
    }

    /**
     * Encrypts or decrypts a message.
     *
     * @see self::encrypt()
     * @see self::decrypt()
     * @access private
     * @param string $text
     * @param int $mode
     * @return string $text
     */
    private function crypt($text, $mode)
    {
        if ($this->changed) {
            $this->setup();
        }

        $stream = &$this->stream[$mode];
        if ($this->continuousBuffer) {
            $i = &$stream[0];
            $j = &$stream[1];
            $keyStream = &$stream[2];
        } else {
            $i = $stream[0];
            $j = $stream[1];
            $keyStream = $stream[2];
        }

        $len = strlen($text);
        for ($k = 0; $k < $len; ++$k) {
            $i = ($i + 1) & 255;
            $ksi = $keyStream[$i];
            $j = ($j + $ksi) & 255;
            $ksj = $keyStream[$j];

            $keyStream[$i] = $ksj;
            $keyStream[$j] = $ksi;
            $text[$k] = $text[$k] ^ chr($keyStream[($ksj + $ksi) & 255]);
        }

        return $text;
    }
}
PK     7‰U]Ì	ðM$  M$  5  vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.phpnu „[µü¤        <?php

/**
 * Random Number Generator
 *
 * PHP version 5
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    echo bin2hex(\phpseclib3\Crypt\Random::string(8));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Random
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

/**
 * Pure-PHP Random Number Generator
 *
 * @package Random
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Random
{
    /**
     * Generate a random string.
     *
     * Although microoptimizations are generally discouraged as they impair readability this function is ripe with
     * microoptimizations because this function has the potential of being called a huge number of times.
     * eg. for RSA key generation.
     *
     * @param int $length
     * @throws \RuntimeException if a symmetric cipher is needed but not loaded
     * @return string
     */
    public static function string($length)
    {
        if (!$length) {
            return '';
        }

        try {
            return random_bytes($length);
        } catch (\Exception $e) {
            // random_compat will throw an Exception, which in PHP 5 does not implement Throwable
        } catch (\Throwable $e) {
            // If a sufficient source of randomness is unavailable, random_bytes() will throw an
            // object that implements the Throwable interface (Exception, TypeError, Error).
            // We don't actually need to do anything here. The string() method should just continue
            // as normal. Note, however, that if we don't have a sufficient source of randomness for
            // random_bytes(), most of the other calls here will fail too, so we'll end up using
            // the PHP implementation.
        }
        // at this point we have no choice but to use a pure-PHP CSPRNG

        // cascade entropy across multiple PHP instances by fixing the session and collecting all
        // environmental variables, including the previous session data and the current session
        // data.
        //
        // mt_rand seeds itself by looking at the PID and the time, both of which are (relatively)
        // easy to guess at. linux uses mouse clicks, keyboard timings, etc, as entropy sources, but
        // PHP isn't low level to be able to use those as sources and on a web server there's not likely
        // going to be a ton of keyboard or mouse action. web servers do have one thing that we can use
        // however, a ton of people visiting the website. obviously you don't want to base your seeding
        // solely on parameters a potential attacker sends but (1) not everything in $_SERVER is controlled
        // by the user and (2) this isn't just looking at the data sent by the current user - it's based
        // on the data sent by all users. one user requests the page and a hash of their info is saved.
        // another user visits the page and the serialization of their data is utilized along with the
        // server environment stuff and a hash of the previous http request data (which itself utilizes
        // a hash of the session data before that). certainly an attacker should be assumed to have
        // full control over his own http requests. he, however, is not going to have control over
        // everyone's http requests.
        static $crypto = false, $v;
        if ($crypto === false) {
            // save old session data
            $old_session_id = session_id();
            $old_use_cookies = ini_get('session.use_cookies');
            $old_session_cache_limiter = session_cache_limiter();
            $_OLD_SESSION = isset($_SESSION) ? $_SESSION : false;
            if ($old_session_id != '') {
                session_write_close();
            }

            session_id(1);
            ini_set('session.use_cookies', 0);
            session_cache_limiter('');
            session_start();

            $v = (isset($_SERVER) ? self::safe_serialize($_SERVER) : '') .
                 (isset($_POST) ? self::safe_serialize($_POST) : '') .
                 (isset($_GET) ? self::safe_serialize($_GET) : '') .
                 (isset($_COOKIE) ? self::safe_serialize($_COOKIE) : '') .
                 self::safe_serialize($GLOBALS) .
                 self::safe_serialize($_SESSION) .
                 self::safe_serialize($_OLD_SESSION);
            $v = $seed = $_SESSION['seed'] = sha1($v, true);
            if (!isset($_SESSION['count'])) {
                $_SESSION['count'] = 0;
            }
            $_SESSION['count']++;

            session_write_close();

            // restore old session data
            if ($old_session_id != '') {
                session_id($old_session_id);
                session_start();
                ini_set('session.use_cookies', $old_use_cookies);
                session_cache_limiter($old_session_cache_limiter);
            } else {
                if ($_OLD_SESSION !== false) {
                    $_SESSION = $_OLD_SESSION;
                    unset($_OLD_SESSION);
                } else {
                    unset($_SESSION);
                }
            }

            // in SSH2 a shared secret and an exchange hash are generated through the key exchange process.
            // the IV client to server is the hash of that "nonce" with the letter A and for the encryption key it's the letter C.
            // if the hash doesn't produce enough a key or an IV that's long enough concat successive hashes of the
            // original hash and the current hash. we'll be emulating that. for more info see the following URL:
            //
            // http://tools.ietf.org/html/rfc4253#section-7.2
            //
            // see the is_string($crypto) part for an example of how to expand the keys
            $key = sha1($seed . 'A', true);
            $iv = sha1($seed . 'C', true);

            // ciphers are used as per the nist.gov link below. also, see this link:
            //
            // http://en.wikipedia.org/wiki/Cryptographically_secure_pseudorandom_number_generator#Designs_based_on_cryptographic_primitives
            switch (true) {
                case class_exists('\phpseclib3\Crypt\AES'):
                    $crypto = new AES('ctr');
                    break;
                case class_exists('\phpseclib3\Crypt\Twofish'):
                    $crypto = new Twofish('ctr');
                    break;
                case class_exists('\phpseclib3\Crypt\Blowfish'):
                    $crypto = new Blowfish('ctr');
                    break;
                case class_exists('\phpseclib3\Crypt\TripleDES'):
                    $crypto = new TripleDES('ctr');
                    break;
                case class_exists('\phpseclib3\Crypt\DES'):
                    $crypto = new DES('ctr');
                    break;
                case class_exists('\phpseclib3\Crypt\RC4'):
                    $crypto = new RC4();
                    break;
                default:
                    throw new \RuntimeException(__CLASS__ . ' requires at least one symmetric cipher be loaded');
            }

            $crypto->setKey(substr($key, 0, $crypto->getKeyLength() >> 3));
            $crypto->setIV(substr($iv, 0, $crypto->getBlockLength() >> 3));
            $crypto->enableContinuousBuffer();
        }

        //return $crypto->encrypt(str_repeat("\0", $length));

        // the following is based off of ANSI X9.31:
        //
        // http://csrc.nist.gov/groups/STM/cavp/documents/rng/931rngext.pdf
        //
        // OpenSSL uses that same standard for it's random numbers:
        //
        // http://www.opensource.apple.com/source/OpenSSL/OpenSSL-38/openssl/fips-1.0/rand/fips_rand.c
        // (do a search for "ANS X9.31 A.2.4")
        $result = '';
        while (strlen($result) < $length) {
            $i = $crypto->encrypt(microtime()); // strlen(microtime()) == 21
            $r = $crypto->encrypt($i ^ $v); // strlen($v) == 20
            $v = $crypto->encrypt($r ^ $i); // strlen($r) == 20
            $result .= $r;
        }

        return substr($result, 0, $length);
    }

    /**
     * Safely serialize variables
     *
     * If a class has a private __sleep() it'll emit a warning
     * @return mixed
     * @param mixed $arr
     */
    private static function safe_serialize(&$arr)
    {
        if (is_object($arr)) {
            return '';
        }
        if (!is_array($arr)) {
            return serialize($arr);
        }
        // prevent circular array recursion
        if (isset($arr['__phpseclib_marker'])) {
            return '';
        }
        $safearr = [];
        $arr['__phpseclib_marker'] = true;
        foreach (array_keys($arr) as $key) {
            // do not recurse on the '__phpseclib_marker' key itself, for smaller memory usage
            if ($key !== '__phpseclib_marker') {
                $safearr[$key] = self::safe_serialize($arr[$key]);
            }
        }
        unset($arr['__phpseclib_marker']);
        return serialize($safearr);
    }
}
PK     7‰U]§ª`â$  $  2  vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of AES.
 *
 * Uses mcrypt, if available/possible, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * NOTE: Since AES.php is (for compatibility and phpseclib-historical reasons) virtually
 * just a wrapper to Rijndael.php you may consider using Rijndael.php instead of
 * to save one include_once().
 *
 * If {@link self::setKeyLength() setKeyLength()} isn't called, it'll be calculated from
 * {@link self::setKey() setKey()}.  ie. if the key is 128-bits, the key length will be 128-bits.  If it's 136-bits
 * it'll be null-padded to 192-bits and 192 bits will be the key length until {@link self::setKey() setKey()}
 * is called, again, at which point, it'll be recalculated.
 *
 * Since \phpseclib3\Crypt\AES extends \phpseclib3\Crypt\Rijndael, some functions are available to be called that, in the context of AES, don't
 * make a whole lot of sense.  {@link self::setBlockLength() setBlockLength()}, for instance.  Calling that function,
 * however possible, won't do anything (AES has a fixed block length whereas Rijndael has a variable one).
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $aes = new \phpseclib3\Crypt\AES('ctr');
 *
 *    $aes->setKey('abcdefghijklmnop');
 *
 *    $size = 10 * 1024;
 *    $plaintext = '';
 *    for ($i = 0; $i < $size; $i++) {
 *        $plaintext.= 'a';
 *    }
 *
 *    echo $aes->decrypt($aes->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   AES
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2008 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

/**
 * Pure-PHP implementation of AES.
 *
 * @package AES
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class AES extends Rijndael
{
    /**
     * Dummy function
     *
     * Since \phpseclib3\Crypt\AES extends \phpseclib3\Crypt\Rijndael, this function is, technically, available, but it doesn't do anything.
     *
     * @see \phpseclib3\Crypt\Rijndael::setBlockLength()
     * @access public
     * @param int $length
     * @throws \BadMethodCallException anytime it's called
     */
    public function setBlockLength($length)
    {
        throw new \BadMethodCallException('The block length cannot be set for AES.');
    }

    /**
     * Sets the key length
     *
     * Valid key lengths are 128, 192, and 256.  Set the link to bool(false) to disable a fixed key length
     *
     * @see \phpseclib3\Crypt\Rijndael:setKeyLength()
     * @access public
     * @param int $length
     * @throws \LengthException if the key length isn't supported
     */
    public function setKeyLength($length)
    {
        switch ($length) {
            case 128:
            case 192:
            case 256:
                break;
            default:
                throw new \LengthException('Key of size ' . $length . ' not supported by this algorithm. Only keys of sizes 128, 192 or 256 supported');
        }
        parent::setKeyLength($length);
    }

    /**
     * Sets the key.
     *
     * Rijndael supports five different key lengths, AES only supports three.
     *
     * @see \phpseclib3\Crypt\Rijndael:setKey()
     * @see setKeyLength()
     * @access public
     * @param string $key
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key)
    {
        switch (strlen($key)) {
            case 16:
            case 24:
            case 32:
                break;
            default:
                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
        }

        parent::setKey($key);
    }
}
PK     7‰U]8j'oJ  J  1  vendor/phpseclib/phpseclib/phpseclib/Crypt/DH.phpnu „[µü¤        <?php

/**
 * Pure-PHP (EC)DH implementation
 *
 * PHP version 5
 *
 * Here's an example of how to compute a shared secret with this library:
 * <code>
 * <?php
 * include 'vendor/autoload.php';
 *
 * $ourPrivate = \phpseclib3\Crypt\DH::createKey();
 * $secret = DH::computeSecret($ourPrivate, $theirPublic);
 *
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   DH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\DH\Parameters;
use phpseclib3\Crypt\DH\PrivateKey;
use phpseclib3\Crypt\DH\PublicKey;
use phpseclib3\Exception\NoKeyLoadedException;
use phpseclib3\Exception\UnsupportedOperationException;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP (EC)DH implementation
 *
 * @package DH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DH extends AsymmetricKey
{
    /**
     * Algorithm Name
     *
     * @var string
     * @access private
     */
    const ALGORITHM = 'DH';

    /**
     * DH prime
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $prime;

    /**
     * DH Base
     *
     * Prime divisor of p-1
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $base;

    /**
     * Create DH parameters
     *
     * This method is a bit polymorphic. It can take any of the following:
     *  - two BigInteger's (prime and base)
     *  - an integer representing the size of the prime in bits (the base is assumed to be 2)
     *  - a string (eg. diffie-hellman-group14-sha1)
     *
     * @access public
     * @return Parameters
     */
    public static function createParameters(...$args)
    {
        $params = new Parameters();
        if (count($args) == 2 && $args[0] instanceof BigInteger && $args[1] instanceof BigInteger) {
            //if (!$args[0]->isPrime()) {
            //    throw new \InvalidArgumentException('The first parameter should be a prime number');
            //}
            $params->prime = $args[0];
            $params->base = $args[1];
            return $params;
        } elseif (count($args) == 1 && is_numeric($args[0])) {
            $params->prime = BigInteger::randomPrime($args[0]);
            $params->base = new BigInteger(2);
            return $params;
        } elseif (count($args) != 1 || !is_string($args[0])) {
            throw new \InvalidArgumentException('Valid parameters are either: two BigInteger\'s (prime and base), a single integer (the length of the prime; base is assumed to be 2) or a string');
        }
        switch ($args[0]) {
            // see http://tools.ietf.org/html/rfc2409#section-6.2 and
            // http://tools.ietf.org/html/rfc2412, appendex E
            case 'diffie-hellman-group1-sha1':
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF';
                break;
            // see http://tools.ietf.org/html/rfc3526#section-3
            case 'diffie-hellman-group14-sha1': // 2048-bit MODP Group
            case 'diffie-hellman-group14-sha256':
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
                         '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
                         '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
                         'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
                         '3995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF';
                break;
            // see https://tools.ietf.org/html/rfc3526#section-4
            case 'diffie-hellman-group15-sha512': // 3072-bit MODP Group
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
                         '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
                         '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
                         'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
                         '3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D04507A33' .
                         'A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7' .
                         'ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864' .
                         'D87602733EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E2' .
                         '08E24FA074E5AB3143DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF';
                break;
            // see https://tools.ietf.org/html/rfc3526#section-5
            case 'diffie-hellman-group16-sha512': // 4096-bit MODP Group
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
                         '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
                         '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
                         'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
                         '3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D04507A33' .
                         'A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7' .
                         'ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864' .
                         'D87602733EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E2' .
                         '08E24FA074E5AB3143DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7' .
                         '88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA2583E9CA2AD44CE8' .
                         'DBBBC2DB04DE8EF92E8EFC141FBECAA6287C59474E6BC05D99B2964FA090C3A2' .
                         '233BA186515BE7ED1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9' .
                         '93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C934063199FFFFFFFFFFFFFFFF';
                break;
            // see https://tools.ietf.org/html/rfc3526#section-6
            case 'diffie-hellman-group17-sha512': // 6144-bit MODP Group
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
                         '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
                         '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
                         'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
                         '3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D04507A33' .
                         'A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7' .
                         'ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864' .
                         'D87602733EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E2' .
                         '08E24FA074E5AB3143DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7' .
                         '88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA2583E9CA2AD44CE8' .
                         'DBBBC2DB04DE8EF92E8EFC141FBECAA6287C59474E6BC05D99B2964FA090C3A2' .
                         '233BA186515BE7ED1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9' .
                         '93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C93402849236C3FAB4D27C7026' .
                         'C1D4DCB2602646DEC9751E763DBA37BDF8FF9406AD9E530EE5DB382F413001AE' .
                         'B06A53ED9027D831179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B' .
                         'DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF5983CA01C64B92EC' .
                         'F032EA15D1721D03F482D7CE6E74FEF6D55E702F46980C82B5A84031900B1C9E' .
                         '59E7C97FBEC7E8F323A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA' .
                         'CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE32806A1D58BB7C5DA76' .
                         'F550AA3D8A1FBFF0EB19CCB1A313D55CDA56C9EC2EF29632387FE8D76E3C0468' .
                         '043E8F663F4860EE12BF2D5B0B7474D6E694F91E6DCC4024FFFFFFFFFFFFFFFF';
                break;
            // see https://tools.ietf.org/html/rfc3526#section-7
            case 'diffie-hellman-group18-sha512': // 8192-bit MODP Group
                $prime = 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74' .
                         '020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F1437' .
                         '4FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED' .
                         'EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF05' .
                         '98DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB' .
                         '9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3B' .
                         'E39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF695581718' .
                         '3995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D04507A33' .
                         'A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7' .
                         'ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864' .
                         'D87602733EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E2' .
                         '08E24FA074E5AB3143DB5BFCE0FD108E4B82D120A92108011A723C12A787E6D7' .
                         '88719A10BDBA5B2699C327186AF4E23C1A946834B6150BDA2583E9CA2AD44CE8' .
                         'DBBBC2DB04DE8EF92E8EFC141FBECAA6287C59474E6BC05D99B2964FA090C3A2' .
                         '233BA186515BE7ED1F612970CEE2D7AFB81BDD762170481CD0069127D5B05AA9' .
                         '93B4EA988D8FDDC186FFB7DC90A6C08F4DF435C93402849236C3FAB4D27C7026' .
                         'C1D4DCB2602646DEC9751E763DBA37BDF8FF9406AD9E530EE5DB382F413001AE' .
                         'B06A53ED9027D831179727B0865A8918DA3EDBEBCF9B14ED44CE6CBACED4BB1B' .
                         'DB7F1447E6CC254B332051512BD7AF426FB8F401378CD2BF5983CA01C64B92EC' .
                         'F032EA15D1721D03F482D7CE6E74FEF6D55E702F46980C82B5A84031900B1C9E' .
                         '59E7C97FBEC7E8F323A97A7E36CC88BE0F1D45B7FF585AC54BD407B22B4154AA' .
                         'CC8F6D7EBF48E1D814CC5ED20F8037E0A79715EEF29BE32806A1D58BB7C5DA76' .
                         'F550AA3D8A1FBFF0EB19CCB1A313D55CDA56C9EC2EF29632387FE8D76E3C0468' .
                         '043E8F663F4860EE12BF2D5B0B7474D6E694F91E6DBE115974A3926F12FEE5E4' .
                         '38777CB6A932DF8CD8BEC4D073B931BA3BC832B68D9DD300741FA7BF8AFC47ED' .
                         '2576F6936BA424663AAB639C5AE4F5683423B4742BF1C978238F16CBE39D652D' .
                         'E3FDB8BEFC848AD922222E04A4037C0713EB57A81A23F0C73473FC646CEA306B' .
                         '4BCBC8862F8385DDFA9D4B7FA2C087E879683303ED5BDD3A062B3CF5B3A278A6' .
                         '6D2A13F83F44F82DDF310EE074AB6A364597E899A0255DC164F31CC50846851D' .
                         'F9AB48195DED7EA1B1D510BD7EE74D73FAF36BC31ECFA268359046F4EB879F92' .
                         '4009438B481C6CD7889A002ED5EE382BC9190DA6FC026E479558E4475677E9AA' .
                         '9E3050E2765694DFC81F56E880B96E7160C980DD98EDD3DFFFFFFFFFFFFFFFFF';
                break;
            default:
                throw new \InvalidArgumentException('Invalid named prime provided');
        }

        $params->prime = new BigInteger($prime, 16);
        $params->base = new BigInteger(2);

        return $params;
    }

    /**
     * Create public / private key pair.
     *
     * The rationale for the second parameter is described in http://tools.ietf.org/html/rfc4419#section-6.2 :
     *
     * "To increase the speed of the key exchange, both client and server may
     *  reduce the size of their private exponents.  It should be at least
     *  twice as long as the key material that is generated from the shared
     *  secret.  For more details, see the paper by van Oorschot and Wiener
     *  [VAN-OORSCHOT]."
     *
     * $length is in bits
     *
     * @param Parameters $params
     * @param int $length optional
     * @access public
     * @return DH\PrivateKey
     */
    public static function createKey(Parameters $params, $length = 0)
    {
        $one = new BigInteger(1);
        if ($length) {
            $max = $one->bitwise_leftShift($length);
            $max = $max->subtract($one);
        } else {
            $max = $params->prime->subtract($one);
        }

        $key = new PrivateKey();
        $key->prime = $params->prime;
        $key->base = $params->base;
        $key->privateKey = BigInteger::randomRange($one, $max);
        $key->publicKey = $key->base->powMod($key->privateKey, $key->prime);
        return $key;
    }

    /**
     * Compute Shared Secret
     *
     * @param PrivateKey|EC $private
     * @param PublicKey|BigInteger|string $public
     * @access public
     * @return mixed
     */
    public static function computeSecret($private, $public)
    {
        if ($private instanceof PrivateKey) { // DH\PrivateKey
            switch (true) {
                case $public instanceof PublicKey:
                    if (!$private->prime->equals($public->prime) || !$private->base->equals($public->base)) {
                        throw new \InvalidArgumentException('The public and private key do not share the same prime and / or base numbers');
                    }
                    return $public->publicKey->powMod($private->privateKey, $private->prime)->toBytes(true);
                case is_string($public):
                    $public = new BigInteger($public, -256);
                    // fall-through
                case $public instanceof BigInteger:
                    return $public->powMod($private->privateKey, $private->prime)->toBytes(true);
                default:
                    throw new \InvalidArgumentException('$public needs to be an instance of DH\PublicKey, a BigInteger or a string');
            }
        }

        if ($private instanceof EC\PrivateKey) {
            switch (true) {
                case $public instanceof EC\PublicKey:
                    $public = $public->getEncodedCoordinates();
                    // fall-through
                case is_string($public):
                    $point = $private->multiply($public);
                    switch ($private->getCurve()) {
                        case 'Curve25519':
                        case 'Curve448':
                            $secret = $point;
                            break;
                        default:
                            // according to https://www.secg.org/sec1-v2.pdf#page=33 only X is returned
                            $secret = substr($point, 1, (strlen($point) - 1) >> 1);
                    }
                    /*
                    if (($secret[0] & "\x80") === "\x80") {
                        $secret = "\0$secret";
                    }
                    */
                    return $secret;
                default:
                    throw new \InvalidArgumentException('$public needs to be an instance of EC\PublicKey or a string (an encoded coordinate)');
            }
        }
    }

    /**
     * Load the key
     *
     * @param string $key
     * @param string $password optional
     * @return AsymmetricKey
     */
    public static function load($key, $password = false)
    {
        try {
            return EC::load($key, $password);
        } catch (NoKeyLoadedException $e) {
        }

        return parent::load($key, $password);
    }

    /**
     * OnLoad Handler
     *
     * @return bool
     * @access protected
     * @param array $components
     */
    protected static function onLoad($components)
    {
        if (!isset($components['privateKey']) && !isset($components['publicKey'])) {
            $new = new Parameters();
        } else {
            $new = isset($components['privateKey']) ?
                new PrivateKey() :
                new PublicKey();
        }

        $new->prime = $components['prime'];
        $new->base = $components['base'];

        if (isset($components['privateKey'])) {
            $new->privateKey = $components['privateKey'];
        }
        if (isset($components['publicKey'])) {
            $new->publicKey = $components['publicKey'];
        }

        return $new;
    }

    /**
     * Determines which hashing function should be used
     *
     * @access public
     * @param string $hash
     */
    public function withHash($hash)
    {
        throw new UnsupportedOperationException('DH does not use a hash algorithm');
    }

    /**
     * Returns the hash algorithm currently being used
     *
     * @access public
     */
    public function getHash()
    {
        throw new UnsupportedOperationException('DH does not use a hash algorithm');
    }

    /**
     * Returns the parameters
     *
     * A public / private key is only returned if the currently loaded "key" contains an x or y
     * value.
     *
     * @see self::getPublicKey()
     * @access public
     * @return mixed
     */
    public function getParameters()
    {
        $type = self::validatePlugin('Keys', 'PKCS1', 'saveParameters');

        $key = $type::saveParameters($this->prime, $this->base);
        return self::load($key, 'PKCS1');
    }
}
PK     7‰U]Gð�to  to  2  vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.phpnu „[µü¤        <?php

/**
 * Pure-PHP PKCS#1 (v2.1) compliant implementation of RSA.
 *
 * PHP version 5
 *
 * Here's an example of how to encrypt and decrypt text with this library:
 * <code>
 * <?php
 * include 'vendor/autoload.php';
 *
 * $private = \phpseclib3\Crypt\RSA::createKey();
 * $public = $private->getPublicKey();
 *
 * $plaintext = 'terrafrost';
 *
 * $ciphertext = $public->encrypt($plaintext);
 *
 * echo $private->decrypt($ciphertext);
 * ?>
 * </code>
 *
 * Here's an example of how to create signatures and verify signatures with this library:
 * <code>
 * <?php
 * include 'vendor/autoload.php';
 *
 * $private = \phpseclib3\Crypt\RSA::createKey();
 * $public = $private->getPublicKey();
 *
 * $plaintext = 'terrafrost';
 *
 * $signature = $private->sign($plaintext);
 *
 * echo $public->verify($plaintext, $signature) ? 'verified' : 'unverified';
 * ?>
 * </code>
 *
 * One thing to consider when using this: so phpseclib uses PSS mode by default.
 * Technically, id-RSASSA-PSS has a different key format than rsaEncryption. So
 * should phpseclib save to the id-RSASSA-PSS format by default or the
 * rsaEncryption format? For stand-alone keys I figure rsaEncryption is better
 * because SSH doesn't use PSS and idk how many SSH servers would be able to
 * decode an id-RSASSA-PSS key. For X.509 certificates the id-RSASSA-PSS
 * format is used by default (unless you change it up to use PKCS1 instead)
 *
 * @category  Crypt
 * @package   RSA
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\RSA\Formats\Keys\PSS;
use phpseclib3\Crypt\RSA\PrivateKey;
use phpseclib3\Crypt\RSA\PublicKey;
use phpseclib3\Exception\InconsistentSetupException;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\Math\BigInteger;

/**
 * Pure-PHP PKCS#1 compliant implementation of RSA.
 *
 * @package RSA
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class RSA extends AsymmetricKey
{
    /**
     * Algorithm Name
     *
     * @var string
     * @access private
     */
    const ALGORITHM = 'RSA';

    /**
     * Use {@link http://en.wikipedia.org/wiki/Optimal_Asymmetric_Encryption_Padding Optimal Asymmetric Encryption Padding}
     * (OAEP) for encryption / decryption.
     *
     * Uses sha256 by default
     *
     * @see self::setHash()
     * @see self::setMGFHash()
     * @access public
     * @see self::encrypt()
     * @see self::decrypt()
     */
    const ENCRYPTION_OAEP = 1;

    /**
     * Use PKCS#1 padding.
     *
     * Although self::PADDING_OAEP / self::PADDING_PSS  offers more security, including PKCS#1 padding is necessary for purposes of backwards
     * compatibility with protocols (like SSH-1) written before OAEP's introduction.
     *
     * @access public
     * @see self::encrypt()
     * @see self::decrypt()
     */
    const ENCRYPTION_PKCS1 = 2;

    /**
     * Do not use any padding
     *
     * Although this method is not recommended it can none-the-less sometimes be useful if you're trying to decrypt some legacy
     * stuff, if you're trying to diagnose why an encrypted message isn't decrypting, etc.
     *
     * @access public
     * @see self::encrypt()
     * @see self::decrypt()
     */
    const ENCRYPTION_NONE = 4;

    /**
     * Use the Probabilistic Signature Scheme for signing
     *
     * Uses sha256 and 0 as the salt length
     *
     * @see self::setSaltLength()
     * @see self::setMGFHash()
     * @see self::setHash()
     * @see self::sign()
     * @see self::verify()
     * @see self::setHash()
     * @access public
     */
    const SIGNATURE_PSS = 16;

    /**
     * Use a relaxed version of PKCS#1 padding for signature verification
     *
     * @see self::sign()
     * @see self::verify()
     * @see self::setHash()
     * @access public
     */
    const SIGNATURE_RELAXED_PKCS1 = 32;

    /**
     * Use PKCS#1 padding for signature verification
     *
     * @see self::sign()
     * @see self::verify()
     * @see self::setHash()
     * @access public
     */
    const SIGNATURE_PKCS1 = 64;

    /**
     * Encryption padding mode
     *
     * @var int
     * @access private
     */
    protected $encryptionPadding = self::ENCRYPTION_OAEP;

    /**
     * Signature padding mode
     *
     * @var int
     * @access private
     */
    protected $signaturePadding = self::SIGNATURE_PSS;

    /**
     * Length of hash function output
     *
     * @var int
     * @access private
     */
    protected $hLen;

    /**
     * Length of salt
     *
     * @var int
     * @access private
     */
    protected $sLen;

    /**
     * Label
     *
     * @var string
     * @access private
     */
    protected $label = '';

    /**
     * Hash function for the Mask Generation Function
     *
     * @var \phpseclib3\Crypt\Hash
     * @access private
     */
    protected $mgfHash;

    /**
     * Length of MGF hash function output
     *
     * @var int
     * @access private
     */
    protected $mgfHLen;

    /**
     * Modulus (ie. n)
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $modulus;

    /**
     * Modulus length
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $k;

    /**
     * Exponent (ie. e or d)
     *
     * @var \phpseclib3\Math\BigInteger
     * @access private
     */
    protected $exponent;

    /**
     * Default public exponent
     *
     * @var int
     * @link http://en.wikipedia.org/wiki/65537_%28number%29
     * @access private
     */
    private static $defaultExponent = 65537;

    /**
     * Enable Blinding?
     *
     * @var bool
     * @access private
     */
    protected static $enableBlinding = true;

    /**
     * OpenSSL configuration file name.
     *
     * @see self::createKey()
     * @var ?string
     */
    protected static $configFile;

    /**
     * Smallest Prime
     *
     * Per <http://cseweb.ucsd.edu/~hovav/dist/survey.pdf#page=5>, this number ought not result in primes smaller
     * than 256 bits. As a consequence if the key you're trying to create is 1024 bits and you've set smallestPrime
     * to 384 bits then you're going to get a 384 bit prime and a 640 bit prime (384 + 1024 % 384). At least if
     * engine is set to self::ENGINE_INTERNAL. If Engine is set to self::ENGINE_OPENSSL then smallest Prime is
     * ignored (ie. multi-prime RSA support is more intended as a way to speed up RSA key generation when there's
     * a chance neither gmp nor OpenSSL are installed)
     *
     * @var int
     * @access private
     */
    private static $smallestPrime = 4096;

    /**
     * Sets the public exponent for key generation
     *
     * This will be 65537 unless changed.
     *
     * @access public
     * @param int $val
     */
    public static function setExponent($val)
    {
        self::$defaultExponent = $val;
    }

    /**
     * Sets the smallest prime number in bits. Used for key generation
     *
     * This will be 4096 unless changed.
     *
     * @access public
     * @param int $val
     */
    public static function setSmallestPrime($val)
    {
        self::$smallestPrime = $val;
    }

    /**
     * Sets the OpenSSL config file path
     *
     * Set to the empty string to use the default config file
     *
     * @access public
     * @param string $val
     */
    public static function setOpenSSLConfigPath($val)
    {
        self::$configFile = $val;
    }

    /**
     * Create a private key
     *
     * The public key can be extracted from the private key
     *
     * @return RSA
     * @access public
     * @param int $bits
     */
    public static function createKey($bits = 2048)
    {
        self::initialize_static_variables();

        $regSize = $bits >> 1; // divide by two to see how many bits P and Q would be
        if ($regSize > self::$smallestPrime) {
            $num_primes = floor($bits / self::$smallestPrime);
            $regSize = self::$smallestPrime;
        } else {
            $num_primes = 2;
        }

        if ($num_primes == 2 && $bits >= 384 && self::$defaultExponent == 65537) {
            if (!isset(self::$engines['PHP'])) {
                self::useBestEngine();
            }

            // OpenSSL uses 65537 as the exponent and requires RSA keys be 384 bits minimum
            if (self::$engines['OpenSSL']) {
                $config = [];
                if (self::$configFile) {
                    $config['config'] = self::$configFile;
                }
                $rsa = openssl_pkey_new(['private_key_bits' => $bits] + $config);
                openssl_pkey_export($rsa, $privatekeystr, null, $config);

                // clear the buffer of error strings stemming from a minimalistic openssl.cnf
                while (openssl_error_string() !== false) {
                }

                return RSA::load($privatekeystr);
            }
        }

        static $e;
        if (!isset($e)) {
            $e = new BigInteger(self::$defaultExponent);
        }

        $n = clone self::$one;
        $exponents = $coefficients = $primes = [];
        $lcm = [
            'top' => clone self::$one,
            'bottom' => false
        ];

        do {
            for ($i = 1; $i <= $num_primes; $i++) {
                if ($i != $num_primes) {
                    $primes[$i] = BigInteger::randomPrime($regSize);
                } else {
                    extract(BigInteger::minMaxBits($bits));
                    /** @var BigInteger $min
                     *  @var BigInteger $max
                     */
                    list($min) = $min->divide($n);
                    $min = $min->add(self::$one);
                    list($max) = $max->divide($n);
                    $primes[$i] = BigInteger::randomRangePrime($min, $max);
                }

                // the first coefficient is calculated differently from the rest
                // ie. instead of being $primes[1]->modInverse($primes[2]), it's $primes[2]->modInverse($primes[1])
                if ($i > 2) {
                    $coefficients[$i] = $n->modInverse($primes[$i]);
                }

                $n = $n->multiply($primes[$i]);

                $temp = $primes[$i]->subtract(self::$one);

                // textbook RSA implementations use Euler's totient function instead of the least common multiple.
                // see http://en.wikipedia.org/wiki/Euler%27s_totient_function
                $lcm['top'] = $lcm['top']->multiply($temp);
                $lcm['bottom'] = $lcm['bottom'] === false ? $temp : $lcm['bottom']->gcd($temp);
            }

            list($temp) = $lcm['top']->divide($lcm['bottom']);
            $gcd = $temp->gcd($e);
            $i0 = 1;
        } while (!$gcd->equals(self::$one));

        $coefficients[2] = $primes[2]->modInverse($primes[1]);

        $d = $e->modInverse($temp);

        foreach ($primes as $i => $prime) {
            $temp = $prime->subtract(self::$one);
            $exponents[$i] = $e->modInverse($temp);
        }

        // from <http://tools.ietf.org/html/rfc3447#appendix-A.1.2>:
        // RSAPrivateKey ::= SEQUENCE {
        //     version           Version,
        //     modulus           INTEGER,  -- n
        //     publicExponent    INTEGER,  -- e
        //     privateExponent   INTEGER,  -- d
        //     prime1            INTEGER,  -- p
        //     prime2            INTEGER,  -- q
        //     exponent1         INTEGER,  -- d mod (p-1)
        //     exponent2         INTEGER,  -- d mod (q-1)
        //     coefficient       INTEGER,  -- (inverse of q) mod p
        //     otherPrimeInfos   OtherPrimeInfos OPTIONAL
        // }
        $privatekey = new PrivateKey();
        $privatekey->modulus = $n;
        $privatekey->k = $bits >> 3;
        $privatekey->publicExponent = $e;
        $privatekey->exponent = $d;
        $privatekey->primes = $primes;
        $privatekey->exponents = $exponents;
        $privatekey->coefficients = $coefficients;

        /*
        $publickey = new PublicKey;
        $publickey->modulus = $n;
        $publickey->k = $bits >> 3;
        $publickey->exponent = $e;
        $publickey->publicExponent = $e;
        $publickey->isPublic = true;
        */

        return $privatekey;
    }

    /**
     * OnLoad Handler
     *
     * @return bool
     * @access protected
     * @param array $components
     */
    protected static function onLoad($components)
    {
        $key = $components['isPublicKey'] ?
            new PublicKey() :
            new PrivateKey();

        $key->modulus = $components['modulus'];
        $key->publicExponent = $components['publicExponent'];
        $key->k = $key->modulus->getLengthInBytes();

        if ($components['isPublicKey'] || !isset($components['privateExponent'])) {
            $key->exponent = $key->publicExponent;
        } else {
            $key->privateExponent = $components['privateExponent'];
            $key->exponent = $key->privateExponent;
            $key->primes = $components['primes'];
            $key->exponents = $components['exponents'];
            $key->coefficients = $components['coefficients'];
        }

        if ($components['format'] == PSS::class) {
            // in the X509 world RSA keys are assumed to use PKCS1 padding by default. only if the key is
            // explicitly a PSS key is the use of PSS assumed. phpseclib does not work like this. phpseclib
            // uses PSS padding by default. it assumes the more secure method by default and altho it provides
            // for the less secure PKCS1 method you have to go out of your way to use it. this is consistent
            // with the latest trends in crypto. libsodium (NaCl) is actually a little more extreme in that
            // not only does it defaults to the most secure methods - it doesn't even let you choose less
            // secure methods
            //$key = $key->withPadding(self::SIGNATURE_PSS);
            if (isset($components['hash'])) {
                $key = $key->withHash($components['hash']);
            }
            if (isset($components['MGFHash'])) {
                $key = $key->withMGFHash($components['MGFHash']);
            }
            if (isset($components['saltLength'])) {
                $key = $key->withSaltLength($components['saltLength']);
            }
        }

        return $key;
    }

    /**
     * Initialize static variables
     */
    protected static function initialize_static_variables()
    {
        if (!isset(self::$configFile)) {
            self::$configFile = dirname(__FILE__) . '/../openssl.cnf';
        }

        parent::initialize_static_variables();
    }

    /**
     * Constructor
     *
     * PublicKey and PrivateKey objects can only be created from abstract RSA class
     */
    protected function __construct()
    {
        parent::__construct();

        $this->hLen = $this->hash->getLengthInBytes();
        $this->mgfHash = new Hash('sha256');
        $this->mgfHLen = $this->mgfHash->getLengthInBytes();
    }

    /**
     * Integer-to-Octet-String primitive
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-4.1 RFC3447#section-4.1}.
     *
     * @access private
     * @param bool|\phpseclib3\Math\BigInteger $x
     * @param int $xLen
     * @return bool|string
     */
    protected function i2osp($x, $xLen)
    {
        if ($x === false) {
            return false;
        }
        $x = $x->toBytes();
        if (strlen($x) > $xLen) {
            throw new \OutOfRangeException('Resultant string length out of range');
        }
        return str_pad($x, $xLen, chr(0), STR_PAD_LEFT);
    }

    /**
     * Octet-String-to-Integer primitive
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-4.2 RFC3447#section-4.2}.
     *
     * @access private
     * @param string $x
     * @return \phpseclib3\Math\BigInteger
     */
    protected function os2ip($x)
    {
        return new BigInteger($x, 256);
    }

    /**
     * EMSA-PKCS1-V1_5-ENCODE
     *
     * See {@link http://tools.ietf.org/html/rfc3447#section-9.2 RFC3447#section-9.2}.
     *
     * @access private
     * @param string $m
     * @param int $emLen
     * @throws \LengthException if the intended encoded message length is too short
     * @return string
     */
    protected function emsa_pkcs1_v1_5_encode($m, $emLen)
    {
        $h = $this->hash->hash($m);

        // see http://tools.ietf.org/html/rfc3447#page-43
        switch ($this->hash->getHash()) {
            case 'md2':
                $t = "\x30\x20\x30\x0c\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x02\x05\x00\x04\x10";
                break;
            case 'md5':
                $t = "\x30\x20\x30\x0c\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x05\x05\x00\x04\x10";
                break;
            case 'sha1':
                $t = "\x30\x21\x30\x09\x06\x05\x2b\x0e\x03\x02\x1a\x05\x00\x04\x14";
                break;
            case 'sha256':
                $t = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x05\x00\x04\x20";
                break;
            case 'sha384':
                $t = "\x30\x41\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x05\x00\x04\x30";
                break;
            case 'sha512':
                $t = "\x30\x51\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x05\x00\x04\x40";
                break;
            // from https://www.emc.com/collateral/white-papers/h11300-pkcs-1v2-2-rsa-cryptography-standard-wp.pdf#page=40
            case 'sha224':
                $t = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04\x05\x00\x04\x1c";
                break;
            case 'sha512/224':
                $t = "\x30\x2d\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x05\x05\x00\x04\x1c";
                break;
            case 'sha512/256':
                $t = "\x30\x31\x30\x0d\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x06\x05\x00\x04\x20";
        }
        $t .= $h;
        $tLen = strlen($t);

        if ($emLen < $tLen + 11) {
            throw new \LengthException('Intended encoded message length too short');
        }

        $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3);

        $em = "\0\1$ps\0$t";

        return $em;
    }

    /**
     * EMSA-PKCS1-V1_5-ENCODE (without NULL)
     *
     * Quoting https://tools.ietf.org/html/rfc8017#page-65,
     *
     * "The parameters field associated with id-sha1, id-sha224, id-sha256,
     *  id-sha384, id-sha512, id-sha512/224, and id-sha512/256 should
     *  generally be omitted, but if present, it shall have a value of type
     *  NULL"
     *
     * @access private
     * @param string $m
     * @param int $emLen
     * @return string
     */
    protected function emsa_pkcs1_v1_5_encode_without_null($m, $emLen)
    {
        $h = $this->hash->hash($m);

        // see http://tools.ietf.org/html/rfc3447#page-43
        switch ($this->hash->getHash()) {
            case 'sha1':
                $t = "\x30\x1f\x30\x07\x06\x05\x2b\x0e\x03\x02\x1a\x04\x14";
                break;
            case 'sha256':
                $t = "\x30\x2f\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x01\x04\x20";
                break;
            case 'sha384':
                $t = "\x30\x3f\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x02\x04\x30";
                break;
            case 'sha512':
                $t = "\x30\x4f\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x03\x04\x40";
                break;
            // from https://www.emc.com/collateral/white-papers/h11300-pkcs-1v2-2-rsa-cryptography-standard-wp.pdf#page=40
            case 'sha224':
                $t = "\x30\x2b\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x04\x04\x1c";
                break;
            case 'sha512/224':
                $t = "\x30\x2b\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x05\x04\x1c";
                break;
            case 'sha512/256':
                $t = "\x30\x2f\x30\x0b\x06\x09\x60\x86\x48\x01\x65\x03\x04\x02\x06\x04\x20";
                break;
            default:
                throw new UnsupportedAlgorithmException('md2 and md5 require NULLs');
        }
        $t .= $h;
        $tLen = strlen($t);

        if ($emLen < $tLen + 11) {
            throw new \LengthException('Intended encoded message length too short');
        }

        $ps = str_repeat(chr(0xFF), $emLen - $tLen - 3);

        $em = "\0\1$ps\0$t";

        return $em;
    }

    /**
     * MGF1
     *
     * See {@link http://tools.ietf.org/html/rfc3447#appendix-B.2.1 RFC3447#appendix-B.2.1}.
     *
     * @access private
     * @param string $mgfSeed
     * @param int $maskLen
     * @return string
     */
    protected function mgf1($mgfSeed, $maskLen)
    {
        // if $maskLen would yield strings larger than 4GB, PKCS#1 suggests a "Mask too long" error be output.

        $t = '';
        $count = ceil($maskLen / $this->mgfHLen);
        for ($i = 0; $i < $count; $i++) {
            $c = pack('N', $i);
            $t .= $this->mgfHash->hash($mgfSeed . $c);
        }

        return substr($t, 0, $maskLen);
    }

    /**
     * Returns the key size
     *
     * More specifically, this returns the size of the modulo in bits.
     *
     * @access public
     * @return int
     */
    public function getLength()
    {
        return !isset($this->modulus) ? 0 : $this->modulus->getLength();
    }

    /**
     * Determines which hashing function should be used
     *
     * Used with signature production / verification and (if the encryption mode is self::PADDING_OAEP) encryption and
     * decryption.
     *
     * @access public
     * @param string $hash
     */
    public function withHash($hash)
    {
        $new = clone $this;

        // \phpseclib3\Crypt\Hash supports algorithms that PKCS#1 doesn't support.  md5-96 and sha1-96, for example.
        switch (strtolower($hash)) {
            case 'md2':
            case 'md5':
            case 'sha1':
            case 'sha256':
            case 'sha384':
            case 'sha512':
            case 'sha224':
            case 'sha512/224':
            case 'sha512/256':
                $new->hash = new Hash($hash);
                break;
            default:
                throw new UnsupportedAlgorithmException(
                    'The only supported hash algorithms are: md2, md5, sha1, sha256, sha384, sha512, sha224, sha512/224, sha512/256'
                );
        }
        $new->hLen = $new->hash->getLengthInBytes();

        return $new;
    }

    /**
     * Determines which hashing function should be used for the mask generation function
     *
     * The mask generation function is used by self::PADDING_OAEP and self::PADDING_PSS and although it's
     * best if Hash and MGFHash are set to the same thing this is not a requirement.
     *
     * @access public
     * @param string $hash
     */
    public function withMGFHash($hash)
    {
        $new = clone $this;

        // \phpseclib3\Crypt\Hash supports algorithms that PKCS#1 doesn't support.  md5-96 and sha1-96, for example.
        switch (strtolower($hash)) {
            case 'md2':
            case 'md5':
            case 'sha1':
            case 'sha256':
            case 'sha384':
            case 'sha512':
            case 'sha224':
            case 'sha512/224':
            case 'sha512/256':
                $new->mgfHash = new Hash($hash);
                break;
            default:
                throw new UnsupportedAlgorithmException(
                    'The only supported hash algorithms are: md2, md5, sha1, sha256, sha384, sha512, sha224, sha512/224, sha512/256'
                );
        }
        $new->mgfHLen = $new->mgfHash->getLengthInBytes();

        return $new;
    }

    /**
     * Returns the MGF hash algorithm currently being used
     *
     * @access public
     */
    public function getMGFHash()
    {
        return clone $this->mgfHash;
    }

    /**
     * Determines the salt length
     *
     * Used by RSA::PADDING_PSS
     *
     * To quote from {@link http://tools.ietf.org/html/rfc3447#page-38 RFC3447#page-38}:
     *
     *    Typical salt lengths in octets are hLen (the length of the output
     *    of the hash function Hash) and 0.
     *
     * @access public
     * @param int $sLen
     */
    public function withSaltLength($sLen)
    {
        $new = clone $this;
        $new->sLen = $sLen;
        return $new;
    }

    /**
     * Returns the salt length currently being used
     *
     * @access public
     */
    public function getSaltLength()
    {
        return $this->sLen !== null ? $this->sLen : $this->hLen;
    }

    /**
     * Determines the label
     *
     * Used by RSA::PADDING_OAEP
     *
     * To quote from {@link http://tools.ietf.org/html/rfc3447#page-17 RFC3447#page-17}:
     *
     *    Both the encryption and the decryption operations of RSAES-OAEP take
     *    the value of a label L as input.  In this version of PKCS #1, L is
     *    the empty string; other uses of the label are outside the scope of
     *    this document.
     *
     * @access public
     * @param string $label
     */
    public function withLabel($label)
    {
        $new = clone $this;
        $new->label = $label;
        return $new;
    }

    /**
     * Returns the label currently being used
     *
     * @access public
     */
    public function getLabel()
    {
        return $this->label;
    }

    /**
     * Determines the padding modes
     *
     * Example: $key->withPadding(RSA::ENCRYPTION_PKCS1 | RSA::SIGNATURE_PKCS1);
     *
     * @access public
     * @param int $padding
     */
    public function withPadding($padding)
    {
        $masks = [
            self::ENCRYPTION_OAEP,
            self::ENCRYPTION_PKCS1,
            self::ENCRYPTION_NONE
        ];
        $numSelected = 0;
        $selected = 0;
        foreach ($masks as $mask) {
            if ($padding & $mask) {
                $selected = $mask;
                $numSelected++;
            }
        }
        if ($numSelected > 1) {
            throw new InconsistentSetupException('Multiple encryption padding modes have been selected; at most only one should be selected');
        }
        $encryptionPadding = $selected;

        $masks = [
            self::SIGNATURE_PSS,
            self::SIGNATURE_RELAXED_PKCS1,
            self::SIGNATURE_PKCS1
        ];
        $numSelected = 0;
        $selected = 0;
        foreach ($masks as $mask) {
            if ($padding & $mask) {
                $selected = $mask;
                $numSelected++;
            }
        }
        if ($numSelected > 1) {
            throw new InconsistentSetupException('Multiple signature padding modes have been selected; at most only one should be selected');
        }
        $signaturePadding = $selected;

        $new = clone $this;
        $new->encryptionPadding = $encryptionPadding;
        $new->signaturePadding = $signaturePadding;
        return $new;
    }

    /**
     * Returns the padding currently being used
     *
     * @access public
     */
    public function getPadding()
    {
        return $this->signaturePadding | $this->encryptionPadding;
    }

    /**
     * Returns the current engine being used
     *
     * OpenSSL is only used in this class (and it's subclasses) for key generation
     * Even then it depends on the parameters you're using. It's not used for
     * multi-prime RSA nor is it used if the key length is outside of the range
     * supported by OpenSSL
     *
     * @see self::useInternalEngine()
     * @see self::useBestEngine()
     * @access public
     * @return string
     */
    public function getEngine()
    {
        if (!isset(self::$engines['PHP'])) {
            self::useBestEngine();
        }
        return self::$engines['OpenSSL'] && self::$defaultExponent == 65537 ?
            'OpenSSL' :
            'PHP';
    }

    /**
     * Enable RSA Blinding
     *
     * @access public
     */
    public static function enableBlinding()
    {
        static::$enableBlinding = true;
    }

    /**
     * Disable RSA Blinding
     *
     * @access public
     */
    public static function disableBlinding()
    {
        static::$enableBlinding = false;
    }
}
PK     8‰U]ç™s0'd  'd  7  vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of Blowfish.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * Useful resources are as follows:
 *
 *  - {@link http://en.wikipedia.org/wiki/Blowfish_(cipher) Wikipedia description of Blowfish}
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $blowfish = new \phpseclib3\Crypt\Blowfish('ctr');
 *
 *    $blowfish->setKey('12345678901234567890123456789012');
 *
 *    $plaintext = str_repeat('a', 1024);
 *
 *    echo $blowfish->decrypt($blowfish->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Blowfish
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\BlockCipher;

/**
 * Pure-PHP implementation of Blowfish.
 *
 * @package Blowfish
 * @author  Jim Wigginton <terrafrost@php.net>
 * @author  Hans-Juergen Petrich <petrich@tronic-media.com>
 * @access  public
 */
class Blowfish extends BlockCipher
{
    /**
     * Block Length of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::block_size
     * @var int
     * @access private
     */
    protected $block_size = 8;

    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'blowfish';

    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 500;

    /**
     * The fixed subkeys boxes ($sbox0 - $sbox3) with 256 entries each
     *
     * S-Box 0
     *
     * @access private
     * @var    array
     */
    private static $sbox0 = [
        0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7, 0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
        0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16, 0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
        0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee, 0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
        0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef, 0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
        0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60, 0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
        0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce, 0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
        0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e, 0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
        0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193, 0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
        0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88, 0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
        0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e, 0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
        0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3, 0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
        0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88, 0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
        0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6, 0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
        0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b, 0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
        0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba, 0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
        0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f, 0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
        0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3, 0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
        0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279, 0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
        0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab, 0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
        0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db, 0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
        0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0, 0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
        0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790, 0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
        0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4, 0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
        0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7, 0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
        0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad, 0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
        0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299, 0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
        0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477, 0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
        0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49, 0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
        0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa, 0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
        0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41, 0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
        0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400, 0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
        0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664, 0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a
    ];

    /**
     * S-Box 1
     *
     * @access private
     * @var    array
     */
    private static $sbox1 = [
        0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623, 0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
        0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1, 0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
        0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6, 0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
        0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e, 0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
        0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737, 0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
        0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff, 0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
        0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701, 0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
        0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41, 0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
        0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf, 0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
        0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e, 0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
        0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c, 0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
        0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16, 0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
        0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b, 0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
        0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e, 0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
        0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f, 0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
        0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4, 0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
        0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66, 0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
        0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802, 0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
        0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510, 0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
        0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14, 0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
        0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50, 0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
        0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8, 0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
        0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99, 0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
        0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128, 0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
        0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0, 0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
        0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105, 0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
        0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3, 0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
        0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00, 0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
        0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb, 0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
        0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735, 0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
        0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9, 0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
        0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20, 0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7
    ];

    /**
     * S-Box 2
     *
     * @access private
     * @var    array
     */
    private static $sbox2 = [
        0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934, 0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
        0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af, 0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
        0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45, 0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
        0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a, 0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
        0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee, 0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
        0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42, 0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
        0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2, 0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
        0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527, 0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
        0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33, 0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
        0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3, 0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
        0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17, 0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
        0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b, 0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
        0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922, 0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
        0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0, 0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
        0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37, 0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
        0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804, 0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
        0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3, 0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
        0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d, 0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
        0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350, 0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
        0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a, 0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
        0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d, 0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
        0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f, 0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
        0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2, 0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
        0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2, 0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
        0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e, 0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
        0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10, 0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
        0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52, 0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
        0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5, 0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
        0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634, 0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
        0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24, 0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
        0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4, 0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
        0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837, 0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0
    ];

    /**
     * S-Box 3
     *
     * @access private
     * @var    array
     */
    private static $sbox3 = [
        0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b, 0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
        0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b, 0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
        0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8, 0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
        0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304, 0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
        0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4, 0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
        0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9, 0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
        0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593, 0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
        0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28, 0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
        0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b, 0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
        0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c, 0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
        0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a, 0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
        0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb, 0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
        0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991, 0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
        0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680, 0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
        0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae, 0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
        0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5, 0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
        0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370, 0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
        0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84, 0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
        0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8, 0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
        0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9, 0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
        0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38, 0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
        0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c, 0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
        0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1, 0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
        0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964, 0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
        0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8, 0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
        0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f, 0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
        0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02, 0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
        0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614, 0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
        0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6, 0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
        0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0, 0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
        0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e, 0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
        0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f, 0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6
    ];

    /**
     * P-Array consists of 18 32-bit subkeys
     *
     * @var array
     * @access private
     */
    private static $parray = [
        0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344, 0xa4093822, 0x299f31d0,
        0x082efa98, 0xec4e6c89, 0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
        0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917, 0x9216d5d9, 0x8979fb1b
    ];

    /**
     * The BCTX-working Array
     *
     * Holds the expanded key [p] and the key-depended s-boxes [sb]
     *
     * @var array
     * @access private
     */
    private $bctx;

    /**
     * Holds the last used key
     *
     * @var array
     * @access private
     */
    private $kl;

    /**
     * The Key Length (in bytes)
     * {@internal The max value is 256 / 8 = 32, the min value is 128 / 8 = 16.  Exists in conjunction with $Nk
     *    because the encryption / decryption / key schedule creation requires this number and not $key_length.  We could
     *    derive this from $key_length or vice versa, but that'd mean we'd have to do multiple shift operations, so in lieu
     *    of that, we'll just precompute it once.}
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 16;

    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws \InvalidArgumentException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

        if ($this->mode == self::MODE_STREAM) {
            throw new \InvalidArgumentException('Block ciphers cannot be ran in stream mode');
        }
    }

    /**
     * Sets the key length.
     *
     * Key lengths can be between 32 and 448 bits.
     *
     * @access public
     * @param int $length
     */
    public function setKeyLength($length)
    {
        if ($length < 32 || $length > 448) {
                throw new \LengthException('Key size of ' . $length . ' bits is not supported by this algorithm. Only keys of sizes between 32 and 448 bits are supported');
        }

        $this->key_length = $length >> 3;

        parent::setKeyLength($length);
    }

    /**
     * Test for engine validity
     *
     * This is mainly just a wrapper to set things up for \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::isValidEngine()
     * @param int $engine
     * @access protected
     * @return bool
     */
    protected function isValidEngineHelper($engine)
    {
        if ($engine == self::ENGINE_OPENSSL) {
            if (version_compare(PHP_VERSION, '5.3.7') < 0 && $this->key_length != 16) {
                return false;
            }
            if ($this->key_length < 16) {
                return false;
            }
            $this->cipher_name_openssl_ecb = 'bf-ecb';
            $this->cipher_name_openssl = 'bf-' . $this->openssl_translate_mode();
        }

        return parent::isValidEngineHelper($engine);
    }

    /**
     * Setup the key (expansion)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()
     * @access private
     */
    protected function setupKey()
    {
        if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
            // already expanded
            return;
        }
        $this->kl = ['key' => $this->key];

        /* key-expanding p[] and S-Box building sb[] */
        $this->bctx = [
            'p'  => [],
            'sb' => [
                self::$sbox0,
                self::$sbox1,
                self::$sbox2,
                self::$sbox3
            ]
        ];

        // unpack binary string in unsigned chars
        $key  = array_values(unpack('C*', $this->key));
        $keyl = count($key);
        for ($j = 0, $i = 0; $i < 18; ++$i) {
            // xor P1 with the first 32-bits of the key, xor P2 with the second 32-bits ...
            for ($data = 0, $k = 0; $k < 4; ++$k) {
                $data = ($data << 8) | $key[$j];
                if (++$j >= $keyl) {
                    $j = 0;
                }
            }
            $this->bctx['p'][] = self::$parray[$i] ^ $data;
        }

        // encrypt the zero-string, replace P1 and P2 with the encrypted data,
        // encrypt P3 and P4 with the new P1 and P2, do it with all P-array and subkeys
        $data = "\0\0\0\0\0\0\0\0";
        for ($i = 0; $i < 18; $i += 2) {
            list($l, $r) = array_values(unpack('N*', $data = $this->encryptBlock($data)));
            $this->bctx['p'][$i    ] = $l;
            $this->bctx['p'][$i + 1] = $r;
        }
        for ($i = 0; $i < 4; ++$i) {
            for ($j = 0; $j < 256; $j += 2) {
                list($l, $r) = array_values(unpack('N*', $data = $this->encryptBlock($data)));
                $this->bctx['sb'][$i][$j    ] = $l;
                $this->bctx['sb'][$i][$j + 1] = $r;
            }
        }
    }

    /**
     * Encrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {
        $p = $this->bctx['p'];
        // extract($this->bctx['sb'], EXTR_PREFIX_ALL, 'sb'); // slower
        $sb_0 = $this->bctx['sb'][0];
        $sb_1 = $this->bctx['sb'][1];
        $sb_2 = $this->bctx['sb'][2];
        $sb_3 = $this->bctx['sb'][3];

        $in = unpack('N*', $in);
        $l = $in[1];
        $r = $in[2];

        for ($i = 0; $i < 16; $i += 2) {
            $l ^= $p[$i];
            $r ^= self::safe_intval((self::safe_intval($sb_0[$l >> 24 & 0xff]  + $sb_1[$l >> 16 & 0xff]) ^
                  $sb_2[$l >>  8 & 0xff]) +
                  $sb_3[$l       & 0xff]);

            $r ^= $p[$i + 1];
            $l ^= self::safe_intval((self::safe_intval($sb_0[$r >> 24 & 0xff]  + $sb_1[$r >> 16 & 0xff]) ^
                  $sb_2[$r >>  8 & 0xff]) +
                  $sb_3[$r       & 0xff]);
        }
        return pack('N*', $r ^ $p[17], $l ^ $p[16]);
    }

    /**
     * Decrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {
        $p = $this->bctx['p'];
        $sb_0 = $this->bctx['sb'][0];
        $sb_1 = $this->bctx['sb'][1];
        $sb_2 = $this->bctx['sb'][2];
        $sb_3 = $this->bctx['sb'][3];

        $in = unpack('N*', $in);
        $l = $in[1];
        $r = $in[2];

        for ($i = 17; $i > 2; $i -= 2) {
            $l ^= $p[$i];
            $r ^= self::safe_intval((self::safe_intval($sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]) ^
                  $sb_2[$l >>  8 & 0xff]) +
                  $sb_3[$l       & 0xff]);

            $r ^= $p[$i - 1];
            $l ^= self::safe_intval((self::safe_intval($sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]) ^
                  $sb_2[$r >>  8 & 0xff]) +
                  $sb_3[$r       & 0xff]);
        }
        return pack('N*', $r ^ $p[0], $l ^ $p[1]);
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        $p = $this->bctx['p'];
        $init_crypt = '
            static $sb_0, $sb_1, $sb_2, $sb_3;
            if (!$sb_0) {
                $sb_0 = $this->bctx["sb"][0];
                $sb_1 = $this->bctx["sb"][1];
                $sb_2 = $this->bctx["sb"][2];
                $sb_3 = $this->bctx["sb"][3];
            }
        ';

        $safeint = self::safe_intval_inline();

        // Generating encrypt code:
        $encrypt_block = '
            $in = unpack("N*", $in);
            $l = $in[1];
            $r = $in[2];
        ';
        for ($i = 0; $i < 16; $i += 2) {
            $encrypt_block .= '
                $l^= ' . $p[$i] . ';
                $r^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]') . ' ^
                      $sb_2[$l >>  8 & 0xff]) +
                      $sb_3[$l       & 0xff]') . ';

                $r^= ' . $p[$i + 1] . ';
                $l^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]') . '  ^
                      $sb_2[$r >>  8 & 0xff]) +
                      $sb_3[$r       & 0xff]') . ';
            ';
        }
        $encrypt_block .= '
            $in = pack("N*",
                $r ^ ' . $p[17] . ',
                $l ^ ' . $p[16] . '
            );
        ';
         // Generating decrypt code:
        $decrypt_block = '
            $in = unpack("N*", $in);
            $l = $in[1];
            $r = $in[2];
        ';

        for ($i = 17; $i > 2; $i -= 2) {
            $decrypt_block .= '
                $l^= ' . $p[$i] . ';
                $r^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$l >> 24 & 0xff] + $sb_1[$l >> 16 & 0xff]') . ' ^
                      $sb_2[$l >>  8 & 0xff]) +
                      $sb_3[$l       & 0xff]') . ';

                $r^= ' . $p[$i - 1] . ';
                $l^= ' . sprintf($safeint, '(' . sprintf($safeint, '$sb_0[$r >> 24 & 0xff] + $sb_1[$r >> 16 & 0xff]') . ' ^
                      $sb_2[$r >>  8 & 0xff]) +
                      $sb_3[$r       & 0xff]') . ';
            ';
        }

        $decrypt_block .= '
            $in = pack("N*",
                $r ^ ' . $p[0] . ',
                $l ^ ' . $p[1] . '
            );
        ';

        $this->inline_crypt = $this->createInlineCryptFunction(
            [
               'init_crypt'    => $init_crypt,
               'init_encrypt'  => '',
               'init_decrypt'  => '',
               'encrypt_block' => $encrypt_block,
               'decrypt_block' => $decrypt_block
            ]
        );
    }
}
PK     8‰U](^xJA  A  >  vendor/phpseclib/phpseclib/phpseclib/Crypt/PublicKeyLoader.phpnu „[µü¤        <?php

/**
 * PublicKeyLoader
 *
 * Returns a PublicKey or PrivateKey object.
 *
 * @category  Crypt
 * @package   PublicKeyLoader
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\AsymmetricKey;
use phpseclib3\Crypt\Common\PrivateKey;
use phpseclib3\Crypt\Common\PublicKey;
use phpseclib3\Exception\NoKeyLoadedException;
use phpseclib3\File\X509;

/**
 * PublicKeyLoader
 *
 * @package Common
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PublicKeyLoader
{
    /**
     * Loads a public or private key
     *
     * @return AsymmetricKey
     * @access public
     * @param string|array $key
     * @param string $password optional
     */
    public static function load($key, $password = false)
    {
        try {
            return EC::load($key, $password);
        } catch (NoKeyLoadedException $e) {
        }

        try {
            return RSA::load($key, $password);
        } catch (NoKeyLoadedException $e) {
        }

        try {
            return DSA::load($key, $password);
        } catch (NoKeyLoadedException $e) {
        }

        try {
            $x509 = new X509();
            $x509->loadX509($key);
            $key = $x509->getPublicKey();
            if ($key) {
                return $key;
            }
        } catch (\Exception $e) {
        }

        throw new NoKeyLoadedException('Unable to read key');
    }

    /**
     * Loads a private key
     *
     * @return PrivateKey
     * @access public
     * @param string|array $key
     * @param string $password optional
     */
    public static function loadPrivateKey($key, $password = false)
    {
        $key = self::load($key, $password);
        if (!$key instanceof PrivateKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a private key');
        }
        return $key;
    }

    /**
     * Loads a public key
     *
     * @return PublicKey
     * @access public
     * @param string|array $key
     */
    public static function loadPublicKey($key)
    {
        $key = self::load($key);
        if (!$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a public key');
        }
        return $key;
    }

    /**
     * Loads parameters
     *
     * @return AsymmetricKey
     * @access public
     * @param string|array $key
     */
    public static function loadParameters($key)
    {
        $key = self::load($key);
        if (!$key instanceof PrivateKey && !$key instanceof PublicKey) {
            throw new NoKeyLoadedException('The key that was loaded was not a parameter');
        }
        return $key;
    }
}
PK     8‰U]å
¼¢›‘  ›‘  6  vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.phpnu „[µü¤        <?php

/**
 * Pure-PHP implementation of Twofish.
 *
 * Uses mcrypt, if available, and an internal implementation, otherwise.
 *
 * PHP version 5
 *
 * Useful resources are as follows:
 *
 *  - {@link http://en.wikipedia.org/wiki/Twofish Wikipedia description of Twofish}
 *
 * Here's a short example of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $twofish = new \phpseclib3\Crypt\Twofish('ctr');
 *
 *    $twofish->setKey('12345678901234567890123456789012');
 *
 *    $plaintext = str_repeat('a', 1024);
 *
 *    echo $twofish->decrypt($twofish->encrypt($plaintext));
 * ?>
 * </code>
 *
 * @category  Crypt
 * @package   Twofish
 * @author    Jim Wigginton <terrafrost@php.net>
 * @author    Hans-Juergen Petrich <petrich@tronic-media.com>
 * @copyright 2007 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Crypt;

use phpseclib3\Crypt\Common\BlockCipher;
use phpseclib3\Exception\BadModeException;

/**
 * Pure-PHP implementation of Twofish.
 *
 * @package Twofish
 * @author  Jim Wigginton <terrafrost@php.net>
 * @author  Hans-Juergen Petrich <petrich@tronic-media.com>
 * @access  public
 */
class Twofish extends BlockCipher
{
    /**
     * The mcrypt specific name of the cipher
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cipher_name_mcrypt
     * @var string
     * @access private
     */
    protected $cipher_name_mcrypt = 'twofish';

    /**
     * Optimizing value while CFB-encrypting
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::cfb_init_len
     * @var int
     * @access private
     */
    protected $cfb_init_len = 800;

    /**
     * Q-Table
     *
     * @var array
     * @access private
     */
    private static $q0 = [
        0xA9, 0x67, 0xB3, 0xE8, 0x04, 0xFD, 0xA3, 0x76,
        0x9A, 0x92, 0x80, 0x78, 0xE4, 0xDD, 0xD1, 0x38,
        0x0D, 0xC6, 0x35, 0x98, 0x18, 0xF7, 0xEC, 0x6C,
        0x43, 0x75, 0x37, 0x26, 0xFA, 0x13, 0x94, 0x48,
        0xF2, 0xD0, 0x8B, 0x30, 0x84, 0x54, 0xDF, 0x23,
        0x19, 0x5B, 0x3D, 0x59, 0xF3, 0xAE, 0xA2, 0x82,
        0x63, 0x01, 0x83, 0x2E, 0xD9, 0x51, 0x9B, 0x7C,
        0xA6, 0xEB, 0xA5, 0xBE, 0x16, 0x0C, 0xE3, 0x61,
        0xC0, 0x8C, 0x3A, 0xF5, 0x73, 0x2C, 0x25, 0x0B,
        0xBB, 0x4E, 0x89, 0x6B, 0x53, 0x6A, 0xB4, 0xF1,
        0xE1, 0xE6, 0xBD, 0x45, 0xE2, 0xF4, 0xB6, 0x66,
        0xCC, 0x95, 0x03, 0x56, 0xD4, 0x1C, 0x1E, 0xD7,
        0xFB, 0xC3, 0x8E, 0xB5, 0xE9, 0xCF, 0xBF, 0xBA,
        0xEA, 0x77, 0x39, 0xAF, 0x33, 0xC9, 0x62, 0x71,
        0x81, 0x79, 0x09, 0xAD, 0x24, 0xCD, 0xF9, 0xD8,
        0xE5, 0xC5, 0xB9, 0x4D, 0x44, 0x08, 0x86, 0xE7,
        0xA1, 0x1D, 0xAA, 0xED, 0x06, 0x70, 0xB2, 0xD2,
        0x41, 0x7B, 0xA0, 0x11, 0x31, 0xC2, 0x27, 0x90,
        0x20, 0xF6, 0x60, 0xFF, 0x96, 0x5C, 0xB1, 0xAB,
        0x9E, 0x9C, 0x52, 0x1B, 0x5F, 0x93, 0x0A, 0xEF,
        0x91, 0x85, 0x49, 0xEE, 0x2D, 0x4F, 0x8F, 0x3B,
        0x47, 0x87, 0x6D, 0x46, 0xD6, 0x3E, 0x69, 0x64,
        0x2A, 0xCE, 0xCB, 0x2F, 0xFC, 0x97, 0x05, 0x7A,
        0xAC, 0x7F, 0xD5, 0x1A, 0x4B, 0x0E, 0xA7, 0x5A,
        0x28, 0x14, 0x3F, 0x29, 0x88, 0x3C, 0x4C, 0x02,
        0xB8, 0xDA, 0xB0, 0x17, 0x55, 0x1F, 0x8A, 0x7D,
        0x57, 0xC7, 0x8D, 0x74, 0xB7, 0xC4, 0x9F, 0x72,
        0x7E, 0x15, 0x22, 0x12, 0x58, 0x07, 0x99, 0x34,
        0x6E, 0x50, 0xDE, 0x68, 0x65, 0xBC, 0xDB, 0xF8,
        0xC8, 0xA8, 0x2B, 0x40, 0xDC, 0xFE, 0x32, 0xA4,
        0xCA, 0x10, 0x21, 0xF0, 0xD3, 0x5D, 0x0F, 0x00,
        0x6F, 0x9D, 0x36, 0x42, 0x4A, 0x5E, 0xC1, 0xE0
    ];

    /**
     * Q-Table
     *
     * @var array
     * @access private
     */
    private static $q1 = [
        0x75, 0xF3, 0xC6, 0xF4, 0xDB, 0x7B, 0xFB, 0xC8,
        0x4A, 0xD3, 0xE6, 0x6B, 0x45, 0x7D, 0xE8, 0x4B,
        0xD6, 0x32, 0xD8, 0xFD, 0x37, 0x71, 0xF1, 0xE1,
        0x30, 0x0F, 0xF8, 0x1B, 0x87, 0xFA, 0x06, 0x3F,
        0x5E, 0xBA, 0xAE, 0x5B, 0x8A, 0x00, 0xBC, 0x9D,
        0x6D, 0xC1, 0xB1, 0x0E, 0x80, 0x5D, 0xD2, 0xD5,
        0xA0, 0x84, 0x07, 0x14, 0xB5, 0x90, 0x2C, 0xA3,
        0xB2, 0x73, 0x4C, 0x54, 0x92, 0x74, 0x36, 0x51,
        0x38, 0xB0, 0xBD, 0x5A, 0xFC, 0x60, 0x62, 0x96,
        0x6C, 0x42, 0xF7, 0x10, 0x7C, 0x28, 0x27, 0x8C,
        0x13, 0x95, 0x9C, 0xC7, 0x24, 0x46, 0x3B, 0x70,
        0xCA, 0xE3, 0x85, 0xCB, 0x11, 0xD0, 0x93, 0xB8,
        0xA6, 0x83, 0x20, 0xFF, 0x9F, 0x77, 0xC3, 0xCC,
        0x03, 0x6F, 0x08, 0xBF, 0x40, 0xE7, 0x2B, 0xE2,
        0x79, 0x0C, 0xAA, 0x82, 0x41, 0x3A, 0xEA, 0xB9,
        0xE4, 0x9A, 0xA4, 0x97, 0x7E, 0xDA, 0x7A, 0x17,
        0x66, 0x94, 0xA1, 0x1D, 0x3D, 0xF0, 0xDE, 0xB3,
        0x0B, 0x72, 0xA7, 0x1C, 0xEF, 0xD1, 0x53, 0x3E,
        0x8F, 0x33, 0x26, 0x5F, 0xEC, 0x76, 0x2A, 0x49,
        0x81, 0x88, 0xEE, 0x21, 0xC4, 0x1A, 0xEB, 0xD9,
        0xC5, 0x39, 0x99, 0xCD, 0xAD, 0x31, 0x8B, 0x01,
        0x18, 0x23, 0xDD, 0x1F, 0x4E, 0x2D, 0xF9, 0x48,
        0x4F, 0xF2, 0x65, 0x8E, 0x78, 0x5C, 0x58, 0x19,
        0x8D, 0xE5, 0x98, 0x57, 0x67, 0x7F, 0x05, 0x64,
        0xAF, 0x63, 0xB6, 0xFE, 0xF5, 0xB7, 0x3C, 0xA5,
        0xCE, 0xE9, 0x68, 0x44, 0xE0, 0x4D, 0x43, 0x69,
        0x29, 0x2E, 0xAC, 0x15, 0x59, 0xA8, 0x0A, 0x9E,
        0x6E, 0x47, 0xDF, 0x34, 0x35, 0x6A, 0xCF, 0xDC,
        0x22, 0xC9, 0xC0, 0x9B, 0x89, 0xD4, 0xED, 0xAB,
        0x12, 0xA2, 0x0D, 0x52, 0xBB, 0x02, 0x2F, 0xA9,
        0xD7, 0x61, 0x1E, 0xB4, 0x50, 0x04, 0xF6, 0xC2,
        0x16, 0x25, 0x86, 0x56, 0x55, 0x09, 0xBE, 0x91
    ];

    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m0 = [
        0xBCBC3275, 0xECEC21F3, 0x202043C6, 0xB3B3C9F4, 0xDADA03DB, 0x02028B7B, 0xE2E22BFB, 0x9E9EFAC8,
        0xC9C9EC4A, 0xD4D409D3, 0x18186BE6, 0x1E1E9F6B, 0x98980E45, 0xB2B2387D, 0xA6A6D2E8, 0x2626B74B,
        0x3C3C57D6, 0x93938A32, 0x8282EED8, 0x525298FD, 0x7B7BD437, 0xBBBB3771, 0x5B5B97F1, 0x474783E1,
        0x24243C30, 0x5151E20F, 0xBABAC6F8, 0x4A4AF31B, 0xBFBF4887, 0x0D0D70FA, 0xB0B0B306, 0x7575DE3F,
        0xD2D2FD5E, 0x7D7D20BA, 0x666631AE, 0x3A3AA35B, 0x59591C8A, 0x00000000, 0xCDCD93BC, 0x1A1AE09D,
        0xAEAE2C6D, 0x7F7FABC1, 0x2B2BC7B1, 0xBEBEB90E, 0xE0E0A080, 0x8A8A105D, 0x3B3B52D2, 0x6464BAD5,
        0xD8D888A0, 0xE7E7A584, 0x5F5FE807, 0x1B1B1114, 0x2C2CC2B5, 0xFCFCB490, 0x3131272C, 0x808065A3,
        0x73732AB2, 0x0C0C8173, 0x79795F4C, 0x6B6B4154, 0x4B4B0292, 0x53536974, 0x94948F36, 0x83831F51,
        0x2A2A3638, 0xC4C49CB0, 0x2222C8BD, 0xD5D5F85A, 0xBDBDC3FC, 0x48487860, 0xFFFFCE62, 0x4C4C0796,
        0x4141776C, 0xC7C7E642, 0xEBEB24F7, 0x1C1C1410, 0x5D5D637C, 0x36362228, 0x6767C027, 0xE9E9AF8C,
        0x4444F913, 0x1414EA95, 0xF5F5BB9C, 0xCFCF18C7, 0x3F3F2D24, 0xC0C0E346, 0x7272DB3B, 0x54546C70,
        0x29294CCA, 0xF0F035E3, 0x0808FE85, 0xC6C617CB, 0xF3F34F11, 0x8C8CE4D0, 0xA4A45993, 0xCACA96B8,
        0x68683BA6, 0xB8B84D83, 0x38382820, 0xE5E52EFF, 0xADAD569F, 0x0B0B8477, 0xC8C81DC3, 0x9999FFCC,
        0x5858ED03, 0x19199A6F, 0x0E0E0A08, 0x95957EBF, 0x70705040, 0xF7F730E7, 0x6E6ECF2B, 0x1F1F6EE2,
        0xB5B53D79, 0x09090F0C, 0x616134AA, 0x57571682, 0x9F9F0B41, 0x9D9D803A, 0x111164EA, 0x2525CDB9,
        0xAFAFDDE4, 0x4545089A, 0xDFDF8DA4, 0xA3A35C97, 0xEAEAD57E, 0x353558DA, 0xEDEDD07A, 0x4343FC17,
        0xF8F8CB66, 0xFBFBB194, 0x3737D3A1, 0xFAFA401D, 0xC2C2683D, 0xB4B4CCF0, 0x32325DDE, 0x9C9C71B3,
        0x5656E70B, 0xE3E3DA72, 0x878760A7, 0x15151B1C, 0xF9F93AEF, 0x6363BFD1, 0x3434A953, 0x9A9A853E,
        0xB1B1428F, 0x7C7CD133, 0x88889B26, 0x3D3DA65F, 0xA1A1D7EC, 0xE4E4DF76, 0x8181942A, 0x91910149,
        0x0F0FFB81, 0xEEEEAA88, 0x161661EE, 0xD7D77321, 0x9797F5C4, 0xA5A5A81A, 0xFEFE3FEB, 0x6D6DB5D9,
        0x7878AEC5, 0xC5C56D39, 0x1D1DE599, 0x7676A4CD, 0x3E3EDCAD, 0xCBCB6731, 0xB6B6478B, 0xEFEF5B01,
        0x12121E18, 0x6060C523, 0x6A6AB0DD, 0x4D4DF61F, 0xCECEE94E, 0xDEDE7C2D, 0x55559DF9, 0x7E7E5A48,
        0x2121B24F, 0x03037AF2, 0xA0A02665, 0x5E5E198E, 0x5A5A6678, 0x65654B5C, 0x62624E58, 0xFDFD4519,
        0x0606F48D, 0x404086E5, 0xF2F2BE98, 0x3333AC57, 0x17179067, 0x05058E7F, 0xE8E85E05, 0x4F4F7D64,
        0x89896AAF, 0x10109563, 0x74742FB6, 0x0A0A75FE, 0x5C5C92F5, 0x9B9B74B7, 0x2D2D333C, 0x3030D6A5,
        0x2E2E49CE, 0x494989E9, 0x46467268, 0x77775544, 0xA8A8D8E0, 0x9696044D, 0x2828BD43, 0xA9A92969,
        0xD9D97929, 0x8686912E, 0xD1D187AC, 0xF4F44A15, 0x8D8D1559, 0xD6D682A8, 0xB9B9BC0A, 0x42420D9E,
        0xF6F6C16E, 0x2F2FB847, 0xDDDD06DF, 0x23233934, 0xCCCC6235, 0xF1F1C46A, 0xC1C112CF, 0x8585EBDC,
        0x8F8F9E22, 0x7171A1C9, 0x9090F0C0, 0xAAAA539B, 0x0101F189, 0x8B8BE1D4, 0x4E4E8CED, 0x8E8E6FAB,
        0xABABA212, 0x6F6F3EA2, 0xE6E6540D, 0xDBDBF252, 0x92927BBB, 0xB7B7B602, 0x6969CA2F, 0x3939D9A9,
        0xD3D30CD7, 0xA7A72361, 0xA2A2AD1E, 0xC3C399B4, 0x6C6C4450, 0x07070504, 0x04047FF6, 0x272746C2,
        0xACACA716, 0xD0D07625, 0x50501386, 0xDCDCF756, 0x84841A55, 0xE1E15109, 0x7A7A25BE, 0x1313EF91
    ];

    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m1 = [
        0xA9D93939, 0x67901717, 0xB3719C9C, 0xE8D2A6A6, 0x04050707, 0xFD985252, 0xA3658080, 0x76DFE4E4,
        0x9A084545, 0x92024B4B, 0x80A0E0E0, 0x78665A5A, 0xE4DDAFAF, 0xDDB06A6A, 0xD1BF6363, 0x38362A2A,
        0x0D54E6E6, 0xC6432020, 0x3562CCCC, 0x98BEF2F2, 0x181E1212, 0xF724EBEB, 0xECD7A1A1, 0x6C774141,
        0x43BD2828, 0x7532BCBC, 0x37D47B7B, 0x269B8888, 0xFA700D0D, 0x13F94444, 0x94B1FBFB, 0x485A7E7E,
        0xF27A0303, 0xD0E48C8C, 0x8B47B6B6, 0x303C2424, 0x84A5E7E7, 0x54416B6B, 0xDF06DDDD, 0x23C56060,
        0x1945FDFD, 0x5BA33A3A, 0x3D68C2C2, 0x59158D8D, 0xF321ECEC, 0xAE316666, 0xA23E6F6F, 0x82165757,
        0x63951010, 0x015BEFEF, 0x834DB8B8, 0x2E918686, 0xD9B56D6D, 0x511F8383, 0x9B53AAAA, 0x7C635D5D,
        0xA63B6868, 0xEB3FFEFE, 0xA5D63030, 0xBE257A7A, 0x16A7ACAC, 0x0C0F0909, 0xE335F0F0, 0x6123A7A7,
        0xC0F09090, 0x8CAFE9E9, 0x3A809D9D, 0xF5925C5C, 0x73810C0C, 0x2C273131, 0x2576D0D0, 0x0BE75656,
        0xBB7B9292, 0x4EE9CECE, 0x89F10101, 0x6B9F1E1E, 0x53A93434, 0x6AC4F1F1, 0xB499C3C3, 0xF1975B5B,
        0xE1834747, 0xE66B1818, 0xBDC82222, 0x450E9898, 0xE26E1F1F, 0xF4C9B3B3, 0xB62F7474, 0x66CBF8F8,
        0xCCFF9999, 0x95EA1414, 0x03ED5858, 0x56F7DCDC, 0xD4E18B8B, 0x1C1B1515, 0x1EADA2A2, 0xD70CD3D3,
        0xFB2BE2E2, 0xC31DC8C8, 0x8E195E5E, 0xB5C22C2C, 0xE9894949, 0xCF12C1C1, 0xBF7E9595, 0xBA207D7D,
        0xEA641111, 0x77840B0B, 0x396DC5C5, 0xAF6A8989, 0x33D17C7C, 0xC9A17171, 0x62CEFFFF, 0x7137BBBB,
        0x81FB0F0F, 0x793DB5B5, 0x0951E1E1, 0xADDC3E3E, 0x242D3F3F, 0xCDA47676, 0xF99D5555, 0xD8EE8282,
        0xE5864040, 0xC5AE7878, 0xB9CD2525, 0x4D049696, 0x44557777, 0x080A0E0E, 0x86135050, 0xE730F7F7,
        0xA1D33737, 0x1D40FAFA, 0xAA346161, 0xED8C4E4E, 0x06B3B0B0, 0x706C5454, 0xB22A7373, 0xD2523B3B,
        0x410B9F9F, 0x7B8B0202, 0xA088D8D8, 0x114FF3F3, 0x3167CBCB, 0xC2462727, 0x27C06767, 0x90B4FCFC,
        0x20283838, 0xF67F0404, 0x60784848, 0xFF2EE5E5, 0x96074C4C, 0x5C4B6565, 0xB1C72B2B, 0xAB6F8E8E,
        0x9E0D4242, 0x9CBBF5F5, 0x52F2DBDB, 0x1BF34A4A, 0x5FA63D3D, 0x9359A4A4, 0x0ABCB9B9, 0xEF3AF9F9,
        0x91EF1313, 0x85FE0808, 0x49019191, 0xEE611616, 0x2D7CDEDE, 0x4FB22121, 0x8F42B1B1, 0x3BDB7272,
        0x47B82F2F, 0x8748BFBF, 0x6D2CAEAE, 0x46E3C0C0, 0xD6573C3C, 0x3E859A9A, 0x6929A9A9, 0x647D4F4F,
        0x2A948181, 0xCE492E2E, 0xCB17C6C6, 0x2FCA6969, 0xFCC3BDBD, 0x975CA3A3, 0x055EE8E8, 0x7AD0EDED,
        0xAC87D1D1, 0x7F8E0505, 0xD5BA6464, 0x1AA8A5A5, 0x4BB72626, 0x0EB9BEBE, 0xA7608787, 0x5AF8D5D5,
        0x28223636, 0x14111B1B, 0x3FDE7575, 0x2979D9D9, 0x88AAEEEE, 0x3C332D2D, 0x4C5F7979, 0x02B6B7B7,
        0xB896CACA, 0xDA583535, 0xB09CC4C4, 0x17FC4343, 0x551A8484, 0x1FF64D4D, 0x8A1C5959, 0x7D38B2B2,
        0x57AC3333, 0xC718CFCF, 0x8DF40606, 0x74695353, 0xB7749B9B, 0xC4F59797, 0x9F56ADAD, 0x72DAE3E3,
        0x7ED5EAEA, 0x154AF4F4, 0x229E8F8F, 0x12A2ABAB, 0x584E6262, 0x07E85F5F, 0x99E51D1D, 0x34392323,
        0x6EC1F6F6, 0x50446C6C, 0xDE5D3232, 0x68724646, 0x6526A0A0, 0xBC93CDCD, 0xDB03DADA, 0xF8C6BABA,
        0xC8FA9E9E, 0xA882D6D6, 0x2BCF6E6E, 0x40507070, 0xDCEB8585, 0xFE750A0A, 0x328A9393, 0xA48DDFDF,
        0xCA4C2929, 0x10141C1C, 0x2173D7D7, 0xF0CCB4B4, 0xD309D4D4, 0x5D108A8A, 0x0FE25151, 0x00000000,
        0x6F9A1919, 0x9DE01A1A, 0x368F9494, 0x42E6C7C7, 0x4AECC9C9, 0x5EFDD2D2, 0xC1AB7F7F, 0xE0D8A8A8
    ];

    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m2 = [
        0xBC75BC32, 0xECF3EC21, 0x20C62043, 0xB3F4B3C9, 0xDADBDA03, 0x027B028B, 0xE2FBE22B, 0x9EC89EFA,
        0xC94AC9EC, 0xD4D3D409, 0x18E6186B, 0x1E6B1E9F, 0x9845980E, 0xB27DB238, 0xA6E8A6D2, 0x264B26B7,
        0x3CD63C57, 0x9332938A, 0x82D882EE, 0x52FD5298, 0x7B377BD4, 0xBB71BB37, 0x5BF15B97, 0x47E14783,
        0x2430243C, 0x510F51E2, 0xBAF8BAC6, 0x4A1B4AF3, 0xBF87BF48, 0x0DFA0D70, 0xB006B0B3, 0x753F75DE,
        0xD25ED2FD, 0x7DBA7D20, 0x66AE6631, 0x3A5B3AA3, 0x598A591C, 0x00000000, 0xCDBCCD93, 0x1A9D1AE0,
        0xAE6DAE2C, 0x7FC17FAB, 0x2BB12BC7, 0xBE0EBEB9, 0xE080E0A0, 0x8A5D8A10, 0x3BD23B52, 0x64D564BA,
        0xD8A0D888, 0xE784E7A5, 0x5F075FE8, 0x1B141B11, 0x2CB52CC2, 0xFC90FCB4, 0x312C3127, 0x80A38065,
        0x73B2732A, 0x0C730C81, 0x794C795F, 0x6B546B41, 0x4B924B02, 0x53745369, 0x9436948F, 0x8351831F,
        0x2A382A36, 0xC4B0C49C, 0x22BD22C8, 0xD55AD5F8, 0xBDFCBDC3, 0x48604878, 0xFF62FFCE, 0x4C964C07,
        0x416C4177, 0xC742C7E6, 0xEBF7EB24, 0x1C101C14, 0x5D7C5D63, 0x36283622, 0x672767C0, 0xE98CE9AF,
        0x441344F9, 0x149514EA, 0xF59CF5BB, 0xCFC7CF18, 0x3F243F2D, 0xC046C0E3, 0x723B72DB, 0x5470546C,
        0x29CA294C, 0xF0E3F035, 0x088508FE, 0xC6CBC617, 0xF311F34F, 0x8CD08CE4, 0xA493A459, 0xCAB8CA96,
        0x68A6683B, 0xB883B84D, 0x38203828, 0xE5FFE52E, 0xAD9FAD56, 0x0B770B84, 0xC8C3C81D, 0x99CC99FF,
        0x580358ED, 0x196F199A, 0x0E080E0A, 0x95BF957E, 0x70407050, 0xF7E7F730, 0x6E2B6ECF, 0x1FE21F6E,
        0xB579B53D, 0x090C090F, 0x61AA6134, 0x57825716, 0x9F419F0B, 0x9D3A9D80, 0x11EA1164, 0x25B925CD,
        0xAFE4AFDD, 0x459A4508, 0xDFA4DF8D, 0xA397A35C, 0xEA7EEAD5, 0x35DA3558, 0xED7AEDD0, 0x431743FC,
        0xF866F8CB, 0xFB94FBB1, 0x37A137D3, 0xFA1DFA40, 0xC23DC268, 0xB4F0B4CC, 0x32DE325D, 0x9CB39C71,
        0x560B56E7, 0xE372E3DA, 0x87A78760, 0x151C151B, 0xF9EFF93A, 0x63D163BF, 0x345334A9, 0x9A3E9A85,
        0xB18FB142, 0x7C337CD1, 0x8826889B, 0x3D5F3DA6, 0xA1ECA1D7, 0xE476E4DF, 0x812A8194, 0x91499101,
        0x0F810FFB, 0xEE88EEAA, 0x16EE1661, 0xD721D773, 0x97C497F5, 0xA51AA5A8, 0xFEEBFE3F, 0x6DD96DB5,
        0x78C578AE, 0xC539C56D, 0x1D991DE5, 0x76CD76A4, 0x3EAD3EDC, 0xCB31CB67, 0xB68BB647, 0xEF01EF5B,
        0x1218121E, 0x602360C5, 0x6ADD6AB0, 0x4D1F4DF6, 0xCE4ECEE9, 0xDE2DDE7C, 0x55F9559D, 0x7E487E5A,
        0x214F21B2, 0x03F2037A, 0xA065A026, 0x5E8E5E19, 0x5A785A66, 0x655C654B, 0x6258624E, 0xFD19FD45,
        0x068D06F4, 0x40E54086, 0xF298F2BE, 0x335733AC, 0x17671790, 0x057F058E, 0xE805E85E, 0x4F644F7D,
        0x89AF896A, 0x10631095, 0x74B6742F, 0x0AFE0A75, 0x5CF55C92, 0x9BB79B74, 0x2D3C2D33, 0x30A530D6,
        0x2ECE2E49, 0x49E94989, 0x46684672, 0x77447755, 0xA8E0A8D8, 0x964D9604, 0x284328BD, 0xA969A929,
        0xD929D979, 0x862E8691, 0xD1ACD187, 0xF415F44A, 0x8D598D15, 0xD6A8D682, 0xB90AB9BC, 0x429E420D,
        0xF66EF6C1, 0x2F472FB8, 0xDDDFDD06, 0x23342339, 0xCC35CC62, 0xF16AF1C4, 0xC1CFC112, 0x85DC85EB,
        0x8F228F9E, 0x71C971A1, 0x90C090F0, 0xAA9BAA53, 0x018901F1, 0x8BD48BE1, 0x4EED4E8C, 0x8EAB8E6F,
        0xAB12ABA2, 0x6FA26F3E, 0xE60DE654, 0xDB52DBF2, 0x92BB927B, 0xB702B7B6, 0x692F69CA, 0x39A939D9,
        0xD3D7D30C, 0xA761A723, 0xA21EA2AD, 0xC3B4C399, 0x6C506C44, 0x07040705, 0x04F6047F, 0x27C22746,
        0xAC16ACA7, 0xD025D076, 0x50865013, 0xDC56DCF7, 0x8455841A, 0xE109E151, 0x7ABE7A25, 0x139113EF
    ];

    /**
     * M-Table
     *
     * @var array
     * @access private
     */
    private static $m3 = [
        0xD939A9D9, 0x90176790, 0x719CB371, 0xD2A6E8D2, 0x05070405, 0x9852FD98, 0x6580A365, 0xDFE476DF,
        0x08459A08, 0x024B9202, 0xA0E080A0, 0x665A7866, 0xDDAFE4DD, 0xB06ADDB0, 0xBF63D1BF, 0x362A3836,
        0x54E60D54, 0x4320C643, 0x62CC3562, 0xBEF298BE, 0x1E12181E, 0x24EBF724, 0xD7A1ECD7, 0x77416C77,
        0xBD2843BD, 0x32BC7532, 0xD47B37D4, 0x9B88269B, 0x700DFA70, 0xF94413F9, 0xB1FB94B1, 0x5A7E485A,
        0x7A03F27A, 0xE48CD0E4, 0x47B68B47, 0x3C24303C, 0xA5E784A5, 0x416B5441, 0x06DDDF06, 0xC56023C5,
        0x45FD1945, 0xA33A5BA3, 0x68C23D68, 0x158D5915, 0x21ECF321, 0x3166AE31, 0x3E6FA23E, 0x16578216,
        0x95106395, 0x5BEF015B, 0x4DB8834D, 0x91862E91, 0xB56DD9B5, 0x1F83511F, 0x53AA9B53, 0x635D7C63,
        0x3B68A63B, 0x3FFEEB3F, 0xD630A5D6, 0x257ABE25, 0xA7AC16A7, 0x0F090C0F, 0x35F0E335, 0x23A76123,
        0xF090C0F0, 0xAFE98CAF, 0x809D3A80, 0x925CF592, 0x810C7381, 0x27312C27, 0x76D02576, 0xE7560BE7,
        0x7B92BB7B, 0xE9CE4EE9, 0xF10189F1, 0x9F1E6B9F, 0xA93453A9, 0xC4F16AC4, 0x99C3B499, 0x975BF197,
        0x8347E183, 0x6B18E66B, 0xC822BDC8, 0x0E98450E, 0x6E1FE26E, 0xC9B3F4C9, 0x2F74B62F, 0xCBF866CB,
        0xFF99CCFF, 0xEA1495EA, 0xED5803ED, 0xF7DC56F7, 0xE18BD4E1, 0x1B151C1B, 0xADA21EAD, 0x0CD3D70C,
        0x2BE2FB2B, 0x1DC8C31D, 0x195E8E19, 0xC22CB5C2, 0x8949E989, 0x12C1CF12, 0x7E95BF7E, 0x207DBA20,
        0x6411EA64, 0x840B7784, 0x6DC5396D, 0x6A89AF6A, 0xD17C33D1, 0xA171C9A1, 0xCEFF62CE, 0x37BB7137,
        0xFB0F81FB, 0x3DB5793D, 0x51E10951, 0xDC3EADDC, 0x2D3F242D, 0xA476CDA4, 0x9D55F99D, 0xEE82D8EE,
        0x8640E586, 0xAE78C5AE, 0xCD25B9CD, 0x04964D04, 0x55774455, 0x0A0E080A, 0x13508613, 0x30F7E730,
        0xD337A1D3, 0x40FA1D40, 0x3461AA34, 0x8C4EED8C, 0xB3B006B3, 0x6C54706C, 0x2A73B22A, 0x523BD252,
        0x0B9F410B, 0x8B027B8B, 0x88D8A088, 0x4FF3114F, 0x67CB3167, 0x4627C246, 0xC06727C0, 0xB4FC90B4,
        0x28382028, 0x7F04F67F, 0x78486078, 0x2EE5FF2E, 0x074C9607, 0x4B655C4B, 0xC72BB1C7, 0x6F8EAB6F,
        0x0D429E0D, 0xBBF59CBB, 0xF2DB52F2, 0xF34A1BF3, 0xA63D5FA6, 0x59A49359, 0xBCB90ABC, 0x3AF9EF3A,
        0xEF1391EF, 0xFE0885FE, 0x01914901, 0x6116EE61, 0x7CDE2D7C, 0xB2214FB2, 0x42B18F42, 0xDB723BDB,
        0xB82F47B8, 0x48BF8748, 0x2CAE6D2C, 0xE3C046E3, 0x573CD657, 0x859A3E85, 0x29A96929, 0x7D4F647D,
        0x94812A94, 0x492ECE49, 0x17C6CB17, 0xCA692FCA, 0xC3BDFCC3, 0x5CA3975C, 0x5EE8055E, 0xD0ED7AD0,
        0x87D1AC87, 0x8E057F8E, 0xBA64D5BA, 0xA8A51AA8, 0xB7264BB7, 0xB9BE0EB9, 0x6087A760, 0xF8D55AF8,
        0x22362822, 0x111B1411, 0xDE753FDE, 0x79D92979, 0xAAEE88AA, 0x332D3C33, 0x5F794C5F, 0xB6B702B6,
        0x96CAB896, 0x5835DA58, 0x9CC4B09C, 0xFC4317FC, 0x1A84551A, 0xF64D1FF6, 0x1C598A1C, 0x38B27D38,
        0xAC3357AC, 0x18CFC718, 0xF4068DF4, 0x69537469, 0x749BB774, 0xF597C4F5, 0x56AD9F56, 0xDAE372DA,
        0xD5EA7ED5, 0x4AF4154A, 0x9E8F229E, 0xA2AB12A2, 0x4E62584E, 0xE85F07E8, 0xE51D99E5, 0x39233439,
        0xC1F66EC1, 0x446C5044, 0x5D32DE5D, 0x72466872, 0x26A06526, 0x93CDBC93, 0x03DADB03, 0xC6BAF8C6,
        0xFA9EC8FA, 0x82D6A882, 0xCF6E2BCF, 0x50704050, 0xEB85DCEB, 0x750AFE75, 0x8A93328A, 0x8DDFA48D,
        0x4C29CA4C, 0x141C1014, 0x73D72173, 0xCCB4F0CC, 0x09D4D309, 0x108A5D10, 0xE2510FE2, 0x00000000,
        0x9A196F9A, 0xE01A9DE0, 0x8F94368F, 0xE6C742E6, 0xECC94AEC, 0xFDD25EFD, 0xAB7FC1AB, 0xD8A8E0D8
    ];

    /**
     * The Key Schedule Array
     *
     * @var array
     * @access private
     */
    private $K = [];

    /**
     * The Key depended S-Table 0
     *
     * @var array
     * @access private
     */
    private $S0 = [];

    /**
     * The Key depended S-Table 1
     *
     * @var array
     * @access private
     */
    private $S1 = [];

    /**
     * The Key depended S-Table 2
     *
     * @var array
     * @access private
     */
    private $S2 = [];

    /**
     * The Key depended S-Table 3
     *
     * @var array
     * @access private
     */
    private $S3 = [];

    /**
     * Holds the last used key
     *
     * @var array
     * @access private
     */
    private $kl;

    /**
     * The Key Length (in bytes)
     *
     * @see Crypt_Twofish::setKeyLength()
     * @var int
     * @access private
     */
    protected $key_length = 16;

    /**
     * Default Constructor.
     *
     * @param string $mode
     * @access public
     * @throws BadModeException if an invalid / unsupported mode is provided
     */
    public function __construct($mode)
    {
        parent::__construct($mode);

        if ($this->mode == self::MODE_STREAM) {
            throw new BadModeException('Block ciphers cannot be ran in stream mode');
        }
    }

    /**
     * Sets the key length.
     *
     * Valid key lengths are 128, 192 or 256 bits
     *
     * @access public
     * @param int $length
     */
    public function setKeyLength($length)
    {
        switch ($length) {
            case 128:
            case 192:
            case 256:
                break;
            default:
                throw new \LengthException('Key of size ' . $length . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
        }

        parent::setKeyLength($length);
    }

    /**
     * Sets the key.
     *
     * Rijndael supports five different key lengths
     *
     * @see setKeyLength()
     * @access public
     * @param string $key
     * @throws \LengthException if the key length isn't supported
     */
    public function setKey($key)
    {
        switch (strlen($key)) {
            case 16:
            case 24:
            case 32:
                break;
            default:
                throw new \LengthException('Key of size ' . strlen($key) . ' not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported');
        }

        parent::setKey($key);
    }

    /**
     * Setup the key (expansion)
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupKey()
     * @access private
     */
    protected function setupKey()
    {
        if (isset($this->kl['key']) && $this->key === $this->kl['key']) {
            // already expanded
            return;
        }
        $this->kl = ['key' => $this->key];

        /* Key expanding and generating the key-depended s-boxes */
        $le_longs = unpack('V*', $this->key);
        $key = unpack('C*', $this->key);
        $m0 = self::$m0;
        $m1 = self::$m1;
        $m2 = self::$m2;
        $m3 = self::$m3;
        $q0 = self::$q0;
        $q1 = self::$q1;

        $K = $S0 = $S1 = $S2 = $S3 = [];

        switch (strlen($this->key)) {
            case 16:
                list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[1], $le_longs[2]);
                list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[3], $le_longs[4]);
                for ($i = 0, $j = 1; $i < 40; $i += 2, $j += 2) {
                    $A = $m0[$q0[$q0[$i] ^ $key[ 9]] ^ $key[1]] ^
                         $m1[$q0[$q1[$i] ^ $key[10]] ^ $key[2]] ^
                         $m2[$q1[$q0[$i] ^ $key[11]] ^ $key[3]] ^
                         $m3[$q1[$q1[$i] ^ $key[12]] ^ $key[4]];
                    $B = $m0[$q0[$q0[$j] ^ $key[13]] ^ $key[5]] ^
                         $m1[$q0[$q1[$j] ^ $key[14]] ^ $key[6]] ^
                         $m2[$q1[$q0[$j] ^ $key[15]] ^ $key[7]] ^
                         $m3[$q1[$q1[$j] ^ $key[16]] ^ $key[8]];
                    $B = ($B << 8) | ($B >> 24 & 0xff);
                    $A = self::safe_intval($A + $B);
                    $K[] = $A;
                    $A = self::safe_intval($A + $B);
                    $K[] = ($A << 9 | $A >> 23 & 0x1ff);
                }
                for ($i = 0; $i < 256; ++$i) {
                    $S0[$i] = $m0[$q0[$q0[$i] ^ $s4] ^ $s0];
                    $S1[$i] = $m1[$q0[$q1[$i] ^ $s5] ^ $s1];
                    $S2[$i] = $m2[$q1[$q0[$i] ^ $s6] ^ $s2];
                    $S3[$i] = $m3[$q1[$q1[$i] ^ $s7] ^ $s3];
                }
                break;
            case 24:
                list($sb, $sa, $s9, $s8) = $this->mdsrem($le_longs[1], $le_longs[2]);
                list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[3], $le_longs[4]);
                list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[5], $le_longs[6]);
                for ($i = 0, $j = 1; $i < 40; $i += 2, $j += 2) {
                    $A = $m0[$q0[$q0[$q1[$i] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^
                         $m1[$q0[$q1[$q1[$i] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^
                         $m2[$q1[$q0[$q0[$i] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^
                         $m3[$q1[$q1[$q0[$i] ^ $key[20]] ^ $key[12]] ^ $key[4]];
                    $B = $m0[$q0[$q0[$q1[$j] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^
                         $m1[$q0[$q1[$q1[$j] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^
                         $m2[$q1[$q0[$q0[$j] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^
                         $m3[$q1[$q1[$q0[$j] ^ $key[24]] ^ $key[16]] ^ $key[8]];
                    $B = ($B << 8) | ($B >> 24 & 0xff);
                    $A = self::safe_intval($A + $B);
                    $K[] = $A;
                    $A = self::safe_intval($A + $B);
                    $K[] = ($A << 9 | $A >> 23 & 0x1ff);
                }
                for ($i = 0; $i < 256; ++$i) {
                    $S0[$i] = $m0[$q0[$q0[$q1[$i] ^ $s8] ^ $s4] ^ $s0];
                    $S1[$i] = $m1[$q0[$q1[$q1[$i] ^ $s9] ^ $s5] ^ $s1];
                    $S2[$i] = $m2[$q1[$q0[$q0[$i] ^ $sa] ^ $s6] ^ $s2];
                    $S3[$i] = $m3[$q1[$q1[$q0[$i] ^ $sb] ^ $s7] ^ $s3];
                }
                break;
            default: // 32
                list($sf, $se, $sd, $sc) = $this->mdsrem($le_longs[1], $le_longs[2]);
                list($sb, $sa, $s9, $s8) = $this->mdsrem($le_longs[3], $le_longs[4]);
                list($s7, $s6, $s5, $s4) = $this->mdsrem($le_longs[5], $le_longs[6]);
                list($s3, $s2, $s1, $s0) = $this->mdsrem($le_longs[7], $le_longs[8]);
                for ($i = 0, $j = 1; $i < 40; $i += 2, $j += 2) {
                    $A = $m0[$q0[$q0[$q1[$q1[$i] ^ $key[25]] ^ $key[17]] ^ $key[ 9]] ^ $key[1]] ^
                         $m1[$q0[$q1[$q1[$q0[$i] ^ $key[26]] ^ $key[18]] ^ $key[10]] ^ $key[2]] ^
                         $m2[$q1[$q0[$q0[$q0[$i] ^ $key[27]] ^ $key[19]] ^ $key[11]] ^ $key[3]] ^
                         $m3[$q1[$q1[$q0[$q1[$i] ^ $key[28]] ^ $key[20]] ^ $key[12]] ^ $key[4]];
                    $B = $m0[$q0[$q0[$q1[$q1[$j] ^ $key[29]] ^ $key[21]] ^ $key[13]] ^ $key[5]] ^
                         $m1[$q0[$q1[$q1[$q0[$j] ^ $key[30]] ^ $key[22]] ^ $key[14]] ^ $key[6]] ^
                         $m2[$q1[$q0[$q0[$q0[$j] ^ $key[31]] ^ $key[23]] ^ $key[15]] ^ $key[7]] ^
                         $m3[$q1[$q1[$q0[$q1[$j] ^ $key[32]] ^ $key[24]] ^ $key[16]] ^ $key[8]];
                    $B = ($B << 8) | ($B >> 24 & 0xff);
                    $A = self::safe_intval($A + $B);
                    $K[] = $A;
                    $A = self::safe_intval($A + $B);
                    $K[] = ($A << 9 | $A >> 23 & 0x1ff);
                }
                for ($i = 0; $i < 256; ++$i) {
                    $S0[$i] = $m0[$q0[$q0[$q1[$q1[$i] ^ $sc] ^ $s8] ^ $s4] ^ $s0];
                    $S1[$i] = $m1[$q0[$q1[$q1[$q0[$i] ^ $sd] ^ $s9] ^ $s5] ^ $s1];
                    $S2[$i] = $m2[$q1[$q0[$q0[$q0[$i] ^ $se] ^ $sa] ^ $s6] ^ $s2];
                    $S3[$i] = $m3[$q1[$q1[$q0[$q1[$i] ^ $sf] ^ $sb] ^ $s7] ^ $s3];
                }
        }

        $this->K  = $K;
        $this->S0 = $S0;
        $this->S1 = $S1;
        $this->S2 = $S2;
        $this->S3 = $S3;
    }

    /**
     * _mdsrem function using by the twofish cipher algorithm
     *
     * @access private
     * @param string $A
     * @param string $B
     * @return array
     */
    private function mdsrem($A, $B)
    {
        // No gain by unrolling this loop.
        for ($i = 0; $i < 8; ++$i) {
            // Get most significant coefficient.
            $t = 0xff & ($B >> 24);

            // Shift the others up.
            $B = ($B << 8) | (0xff & ($A >> 24));
            $A <<= 8;

            $u = $t << 1;

            // Subtract the modular polynomial on overflow.
            if ($t & 0x80) {
                $u ^= 0x14d;
            }

            // Remove t * (a * x^2 + 1).
            $B ^= $t ^ ($u << 16);

            // Form u = a*t + t/a = t*(a + 1/a).
            $u ^= 0x7fffffff & ($t >> 1);

            // Add the modular polynomial on underflow.
            if ($t & 0x01) {
                $u ^= 0xa6 ;
            }

            // Remove t * (a + 1/a) * (x^3 + x).
            $B ^= ($u << 24) | ($u << 8);
        }

        return [
            0xff & $B >> 24,
            0xff & $B >> 16,
            0xff & $B >>  8,
            0xff & $B];
    }

    /**
     * Encrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function encryptBlock($in)
    {
        $S0 = $this->S0;
        $S1 = $this->S1;
        $S2 = $this->S2;
        $S3 = $this->S3;
        $K  = $this->K;

        $in = unpack("V4", $in);
        $R0 = $K[0] ^ $in[1];
        $R1 = $K[1] ^ $in[2];
        $R2 = $K[2] ^ $in[3];
        $R3 = $K[3] ^ $in[4];

        $ki = 7;
        while ($ki < 39) {
            $t0 = $S0[ $R0        & 0xff] ^
                  $S1[($R0 >>  8) & 0xff] ^
                  $S2[($R0 >> 16) & 0xff] ^
                  $S3[($R0 >> 24) & 0xff];
            $t1 = $S0[($R1 >> 24) & 0xff] ^
                  $S1[ $R1        & 0xff] ^
                  $S2[($R1 >>  8) & 0xff] ^
                  $S3[($R1 >> 16) & 0xff];
            $R2 ^= self::safe_intval($t0 + $t1 + $K[++$ki]);
            $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31);
            $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ self::safe_intval($t0 + ($t1 << 1) + $K[++$ki]);

            $t0 = $S0[ $R2        & 0xff] ^
                  $S1[($R2 >>  8) & 0xff] ^
                  $S2[($R2 >> 16) & 0xff] ^
                  $S3[($R2 >> 24) & 0xff];
            $t1 = $S0[($R3 >> 24) & 0xff] ^
                  $S1[ $R3        & 0xff] ^
                  $S2[($R3 >>  8) & 0xff] ^
                  $S3[($R3 >> 16) & 0xff];
            $R0 ^= self::safe_intval($t0 + $t1 + $K[++$ki]);
            $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31);
            $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ self::safe_intval($t0 + ($t1 << 1) + $K[++$ki]);
        }

        // @codingStandardsIgnoreStart
        return pack("V4", $K[4] ^ $R2,
                          $K[5] ^ $R3,
                          $K[6] ^ $R0,
                          $K[7] ^ $R1);
        // @codingStandardsIgnoreEnd
    }

    /**
     * Decrypts a block
     *
     * @access private
     * @param string $in
     * @return string
     */
    protected function decryptBlock($in)
    {
        $S0 = $this->S0;
        $S1 = $this->S1;
        $S2 = $this->S2;
        $S3 = $this->S3;
        $K  = $this->K;

        $in = unpack("V4", $in);
        $R0 = $K[4] ^ $in[1];
        $R1 = $K[5] ^ $in[2];
        $R2 = $K[6] ^ $in[3];
        $R3 = $K[7] ^ $in[4];

        $ki = 40;
        while ($ki > 8) {
            $t0 = $S0[$R0       & 0xff] ^
                  $S1[$R0 >>  8 & 0xff] ^
                  $S2[$R0 >> 16 & 0xff] ^
                  $S3[$R0 >> 24 & 0xff];
            $t1 = $S0[$R1 >> 24 & 0xff] ^
                  $S1[$R1       & 0xff] ^
                  $S2[$R1 >>  8 & 0xff] ^
                  $S3[$R1 >> 16 & 0xff];
            $R3 ^= self::safe_intval($t0 + ($t1 << 1) + $K[--$ki]);
            $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31;
            $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ self::safe_intval($t0 + $t1 + $K[--$ki]);

            $t0 = $S0[$R2       & 0xff] ^
                  $S1[$R2 >>  8 & 0xff] ^
                  $S2[$R2 >> 16 & 0xff] ^
                  $S3[$R2 >> 24 & 0xff];
            $t1 = $S0[$R3 >> 24 & 0xff] ^
                  $S1[$R3       & 0xff] ^
                  $S2[$R3 >>  8 & 0xff] ^
                  $S3[$R3 >> 16 & 0xff];
            $R1 ^= self::safe_intval($t0 + ($t1 << 1) + $K[--$ki]);
            $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31;
            $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ self::safe_intval($t0 + $t1 + $K[--$ki]);
        }

        // @codingStandardsIgnoreStart
        return pack("V4", $K[0] ^ $R2,
                          $K[1] ^ $R3,
                          $K[2] ^ $R0,
                          $K[3] ^ $R1);
        // @codingStandardsIgnoreEnd
    }

    /**
     * Setup the performance-optimized function for de/encrypt()
     *
     * @see \phpseclib3\Crypt\Common\SymmetricKey::_setupInlineCrypt()
     * @access private
     */
    protected function setupInlineCrypt()
    {
        $K = $this->K;
        $init_crypt = '
            static $S0, $S1, $S2, $S3;
            if (!$S0) {
                for ($i = 0; $i < 256; ++$i) {
                    $S0[] = (int)$this->S0[$i];
                    $S1[] = (int)$this->S1[$i];
                    $S2[] = (int)$this->S2[$i];
                    $S3[] = (int)$this->S3[$i];
                }
            }
        ';

        $safeint = self::safe_intval_inline();

        // Generating encrypt code:
        $encrypt_block = '
            $in = unpack("V4", $in);
            $R0 = ' . $K[0] . ' ^ $in[1];
            $R1 = ' . $K[1] . ' ^ $in[2];
            $R2 = ' . $K[2] . ' ^ $in[3];
            $R3 = ' . $K[3] . ' ^ $in[4];
        ';
        for ($ki = 7, $i = 0; $i < 8; ++$i) {
            $encrypt_block .= '
                $t0 = $S0[ $R0        & 0xff] ^
                      $S1[($R0 >>  8) & 0xff] ^
                      $S2[($R0 >> 16) & 0xff] ^
                      $S3[($R0 >> 24) & 0xff];
                $t1 = $S0[($R1 >> 24) & 0xff] ^
                      $S1[ $R1        & 0xff] ^
                      $S2[($R1 >>  8) & 0xff] ^
                      $S3[($R1 >> 16) & 0xff];
                    $R2^= ' . sprintf($safeint, '$t0 + $t1 + ' . $K[++$ki]) . ';
                $R2 = ($R2 >> 1 & 0x7fffffff) | ($R2 << 31);
                $R3 = ((($R3 >> 31) & 1) | ($R3 << 1)) ^ ' . sprintf($safeint, '($t0 + ($t1 << 1) + ' . $K[++$ki] . ')') . ';

                $t0 = $S0[ $R2        & 0xff] ^
                      $S1[($R2 >>  8) & 0xff] ^
                      $S2[($R2 >> 16) & 0xff] ^
                      $S3[($R2 >> 24) & 0xff];
                $t1 = $S0[($R3 >> 24) & 0xff] ^
                      $S1[ $R3        & 0xff] ^
                      $S2[($R3 >>  8) & 0xff] ^
                      $S3[($R3 >> 16) & 0xff];
                $R0^= ' . sprintf($safeint, '($t0 + $t1 + ' . $K[++$ki] . ')') . ';
                $R0 = ($R0 >> 1 & 0x7fffffff) | ($R0 << 31);
                $R1 = ((($R1 >> 31) & 1) | ($R1 << 1)) ^ ' . sprintf($safeint, '($t0 + ($t1 << 1) + ' . $K[++$ki] . ')') . ';
            ';
        }
        $encrypt_block .= '
            $in = pack("V4", ' . $K[4] . ' ^ $R2,
                             ' . $K[5] . ' ^ $R3,
                             ' . $K[6] . ' ^ $R0,
                             ' . $K[7] . ' ^ $R1);
        ';

        // Generating decrypt code:
        $decrypt_block = '
            $in = unpack("V4", $in);
            $R0 = ' . $K[4] . ' ^ $in[1];
            $R1 = ' . $K[5] . ' ^ $in[2];
            $R2 = ' . $K[6] . ' ^ $in[3];
            $R3 = ' . $K[7] . ' ^ $in[4];
        ';
        for ($ki = 40, $i = 0; $i < 8; ++$i) {
            $decrypt_block .= '
                $t0 = $S0[$R0       & 0xff] ^
                      $S1[$R0 >>  8 & 0xff] ^
                      $S2[$R0 >> 16 & 0xff] ^
                      $S3[$R0 >> 24 & 0xff];
                $t1 = $S0[$R1 >> 24 & 0xff] ^
                      $S1[$R1       & 0xff] ^
                      $S2[$R1 >>  8 & 0xff] ^
                      $S3[$R1 >> 16 & 0xff];
                $R3^= ' . sprintf($safeint, '$t0 + ($t1 << 1) + ' . $K[--$ki]) . ';
                $R3 = $R3 >> 1 & 0x7fffffff | $R3 << 31;
                $R2 = ($R2 >> 31 & 0x1 | $R2 << 1) ^ ' . sprintf($safeint, '($t0 + $t1 + ' . $K[--$ki] . ')') . ';

                $t0 = $S0[$R2       & 0xff] ^
                      $S1[$R2 >>  8 & 0xff] ^
                      $S2[$R2 >> 16 & 0xff] ^
                      $S3[$R2 >> 24 & 0xff];
                $t1 = $S0[$R3 >> 24 & 0xff] ^
                      $S1[$R3       & 0xff] ^
                      $S2[$R3 >>  8 & 0xff] ^
                      $S3[$R3 >> 16 & 0xff];
                $R1^= ' . sprintf($safeint, '$t0 + ($t1 << 1) + ' . $K[--$ki]) . ';
                $R1 = $R1 >> 1 & 0x7fffffff | $R1 << 31;
                $R0 = ($R0 >> 31 & 0x1 | $R0 << 1) ^ ' . sprintf($safeint, '($t0 + $t1 + ' . $K[--$ki] . ')') . ';
            ';
        }
        $decrypt_block .= '
            $in = pack("V4", ' . $K[0] . ' ^ $R2,
                             ' . $K[1] . ' ^ $R3,
                             ' . $K[2] . ' ^ $R0,
                             ' . $K[3] . ' ^ $R1);
        ';

        $this->inline_crypt = $this->createInlineCryptFunction(
            [
               'init_crypt'    => $init_crypt,
               'init_encrypt'  => '',
               'init_decrypt'  => '',
               'encrypt_block' => $encrypt_block,
               'decrypt_block' => $decrypt_block
            ]
        );
    }
}
PK     8‰U]ž|¾XmA  mA  D  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/GMP.phpnu „[µü¤        <?php

/**
 * GMP BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

use phpseclib3\Exception\BadConfigurationException;

/**
 * GMP Engine.
 *
 * @package GMP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class GMP extends Engine
{
    /**
     * Can Bitwise operations be done fast?
     *
     * @see parent::bitwise_leftRotate()
     * @see parent::bitwise_rightRotate()
     * @access protected
     */
    const FAST_BITWISE = true;

    /**
     * Engine Directory
     *
     * @see parent::setModExpEngine
     * @access protected
     */
    const ENGINE_DIR = 'GMP';

    /**
     * Test for engine validity
     *
     * @return bool
     * @see parent::__construct()
     */
    public static function isValidEngine()
    {
        return extension_loaded('gmp');
    }

    /**
     * Default constructor
     *
     * @param mixed $x integer Base-10 number or base-$base number if $base set.
     * @param int $base
     * @see parent::__construct()
     */
    public function __construct($x = 0, $base = 10)
    {
        if (!isset(static::$isValidEngine[static::class])) {
            static::$isValidEngine[static::class] = self::isValidEngine();
        }
        if (!static::$isValidEngine[static::class]) {
            throw new BadConfigurationException('GMP is not setup correctly on this system');
        }

        if ($x instanceof \GMP) {
            $this->value = $x;
            return;
        }

        $this->value = gmp_init(0);

        parent::__construct($x, $base);
    }

    /**
     * Initialize a GMP BigInteger Engine instance
     *
     * @param int $base
     * @see parent::__construct()
     */
    protected function initialize($base)
    {
        switch (abs($base)) {
            case 256:
                $this->value = gmp_import($this->value);
                if ($this->is_negative) {
                    $this->value = -$this->value;
                }
                break;
            case 16:
                $temp = $this->is_negative ? '-0x' . $this->value : '0x' . $this->value;
                $this->value = gmp_init($temp);
                break;
            case 10:
                $this->value = gmp_init(isset($this->value) ? $this->value : '0');
        }
    }

    /**
     * Converts a BigInteger to a base-10 number.
     *
     * @return string
     */
    public function toString()
    {
        return (string)$this->value;
    }

    /**
     * Converts a BigInteger to a bit string (eg. base-2).
     *
     * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
     * saved as two's compliment.
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBits($twos_compliment = false)
    {
        $hex = $this->toHex($twos_compliment);

        $bits = gmp_strval(gmp_init($hex, 16), 2);

        if ($this->precision > 0) {
            $bits = substr($bits, -$this->precision);
        }

        if ($twos_compliment && $this->compare(new static()) > 0 && $this->precision <= 0) {
            return '0' . $bits;
        }

        return $bits;
    }

    /**
     * Converts a BigInteger to a byte string (eg. base-256).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBytes($twos_compliment = false)
    {
        if ($twos_compliment) {
            return $this->toBytesHelper();
        }

        if (gmp_cmp($this->value, gmp_init(0)) == 0) {
            return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
        }

        $temp = gmp_export($this->value);

        return $this->precision > 0 ?
            substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
            ltrim($temp, chr(0));
    }

    /**
     * Adds two BigIntegers.
     *
     * @param GMP $y
     * @return GMP
     */
    public function add(GMP $y)
    {
        $temp = new self();
        $temp->value = $this->value + $y->value;

        return $this->normalize($temp);
    }

    /**
     * Subtracts two BigIntegers.
     *
     * @param GMP $y
     * @return GMP
     */
    public function subtract(GMP $y)
    {
        $temp = new self();
        $temp->value = $this->value - $y->value;

        return $this->normalize($temp);
    }

    /**
     * Multiplies two BigIntegers.
     *
     * @param GMP $x
     * @return GMP
     */
    public function multiply(GMP $x)
    {
        $temp = new self();
        $temp->value = $this->value * $x->value;

        return $this->normalize($temp);
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * @param GMP $y
     * @return array{GMP, GMP}
     */
    public function divide(GMP $y)
    {
        $quotient = new self();
        $remainder = new self();

        list($quotient->value, $remainder->value) = gmp_div_qr($this->value, $y->value);

        if (gmp_sign($remainder->value) < 0) {
            $remainder->value = $remainder->value + gmp_abs($y->value);
        }

        return [$this->normalize($quotient), $this->normalize($remainder)];
    }

    /**
     * Compares two numbers.
     *
     * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite.  The reason for this
     * is demonstrated thusly:
     *
     * $x  > $y: $x->compare($y)  > 0
     * $x  < $y: $x->compare($y)  < 0
     * $x == $y: $x->compare($y) == 0
     *
     * Note how the same comparison operator is used.  If you want to test for equality, use $x->equals($y).
     *
     * {@internal Could return $this->subtract($x), but that's not as fast as what we do do.}
     *
     * @param GMP $y
     * @return int in case < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
     * @access public
     * @see self::equals()
     */
    public function compare(GMP $y)
    {
        $r = gmp_cmp($this->value, $y->value);
        if ($r < -1) {
            $r = -1;
        }
        if ($r > 1) {
            $r = 1;
        }
        return $r;
    }

    /**
     * Tests the equality of two numbers.
     *
     * If you need to see if one number is greater than or less than another number, use BigInteger::compare()
     *
     * @param GMP $x
     * @return bool
     */
    public function equals(GMP $x)
    {
        return $this->value == $x->value;
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     *
     * @param GMP $n
     * @return false|GMP
     */
    public function modInverse(GMP $n)
    {
        $temp = new self();
        $temp->value = gmp_invert($this->value, $n->value);

        return $temp->value === false ? false : $this->normalize($temp);
    }

    /**
     * Calculates the greatest common divisor and Bezout's identity.
     *
     * Say you have 693 and 609.  The GCD is 21.  Bezout's identity states that there exist integers x and y such that
     * 693*x + 609*y == 21.  In point of fact, there are actually an infinite number of x and y combinations and which
     * combination is returned is dependent upon which mode is in use.  See
     * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information.
     *
     * @param GMP $n
     * @return GMP[]
     */
    public function extendedGCD(GMP $n)
    {
        extract(gmp_gcdext($this->value, $n->value));

        return [
            'gcd' => $this->normalize(new self($g)),
            'x' => $this->normalize(new self($s)),
            'y' => $this->normalize(new self($t))
        ];
    }

    /**
     * Calculates the greatest common divisor
     *
     * Say you have 693 and 609.  The GCD is 21.
     *
     * @param GMP $n
     * @return GMP
     */
    public function gcd(GMP $n)
    {
        $r = gmp_gcd($this->value, $n->value);
        return $this->normalize(new self($r));
    }

    /**
     * Absolute value.
     *
     * @return GMP
     * @access public
     */
    public function abs()
    {
        $temp = new self();
        $temp->value = gmp_abs($this->value);

        return $temp;
    }

    /**
     * Logical And
     *
     * @param GMP $x
     * @return GMP
     */
    public function bitwise_and(GMP $x)
    {
        $temp = new self();
        $temp->value = $this->value & $x->value;

        return $this->normalize($temp);
    }

    /**
     * Logical Or
     *
     * @param GMP $x
     * @return GMP
     */
    public function bitwise_or(GMP $x)
    {
        $temp = new self();
        $temp->value = $this->value | $x->value;

        return $this->normalize($temp);
    }

    /**
     * Logical Exclusive Or
     *
     * @param GMP $x
     * @return GMP
     */
    public function bitwise_xor(GMP $x)
    {
        $temp = new self();
        $temp->value = $this->value ^ $x->value;

        return $this->normalize($temp);
    }

    /**
     * Logical Right Shift
     *
     * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
     *
     * @param int $shift
     * @return GMP
     */
    public function bitwise_rightShift($shift)
    {
        // 0xFFFFFFFF >> 2 == -1 (on 32-bit systems)
        // gmp_init('0xFFFFFFFF') >> 2 == gmp_init('0x3FFFFFFF')

        $temp = new self();
        $temp->value = $this->value >> $shift;

        return $this->normalize($temp);
    }

    /**
     * Logical Left Shift
     *
     * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
     *
     * @param int $shift
     * @return GMP
     */
    public function bitwise_leftShift($shift)
    {
        $temp = new self();
        $temp->value = $this->value << $shift;

        return $this->normalize($temp);
    }

    /**
     * Performs modular exponentiation.
     *
     * @param GMP $e
     * @param GMP $n
     * @return GMP
     */
    public function modPow(GMP $e, GMP $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * Alias for modPow().
     *
     * @param GMP $e
     * @param GMP $n
     * @return GMP
     */
    public function powMod(GMP $e, GMP $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * @param GMP $e
     * @param GMP $n
     * @return GMP
     */
    protected function powModInner(GMP $e, GMP $n)
    {
        $class = static::$modexpEngine[static::class];
        return $class::powModHelper($this, $e, $n);
    }

    /**
     * Normalize
     *
     * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision
     *
     * @param GMP $result
     * @return GMP
     */
    protected function normalize(GMP $result)
    {
        $result->precision = $this->precision;
        $result->bitmask = $this->bitmask;

        if ($result->bitmask !== false) {
            $flip = $result->value < 0;
            if ($flip) {
                $result->value = -$result->value;
            }
            $result->value = $result->value & $result->bitmask->value;
            if ($flip) {
                $result->value = -$result->value;
            }
        }

        return $result;
    }

    /**
     * Performs some post-processing for randomRangePrime
     *
     * @param Engine $x
     * @param Engine $min
     * @param Engine $max
     * @return GMP
     */
    protected static function randomRangePrimeInner(Engine $x, Engine $min, Engine $max)
    {
        $p = gmp_nextprime($x->value);

        if ($p <= $max->value) {
            return new self($p);
        }

        if ($min->value != $x->value) {
            $x = new self($x->value - 1);
        }

        return self::randomRangePrime($min, $x);
    }

    /**
     * Generate a random prime number between a range
     *
     * If there's not a prime within the given range, false will be returned.
     *
     * @param GMP $min
     * @param GMP $max
     * @return false|GMP
     */
    public static function randomRangePrime(GMP $min, GMP $max)
    {
        return self::randomRangePrimeOuter($min, $max);
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param GMP $min
     * @param GMP $max
     * @return GMP
     */
    public static function randomRange(GMP $min, GMP $max)
    {
        return self::randomRangeHelper($min, $max);
    }

    /**
     * Make the current number odd
     *
     * If the current number is odd it'll be unchanged.  If it's even, one will be added to it.
     *
     * @see self::randomPrime()
     */
    protected function make_odd()
    {
        gmp_setbit($this->value, 0);
    }

    /**
     * Tests Primality
     *
     * @param int $t
     * @return bool
     */
    protected function testPrimality($t)
    {
        return gmp_prob_prime($this->value, $t) != 0;
    }

    /**
     * Calculates the nth root of a biginteger.
     *
     * Returns the nth root of a positive biginteger, where n defaults to 2
     *
     * @param int $n
     * @return GMP
     */
    protected function rootInner($n)
    {
        $root = new self();
        $root->value = gmp_root($this->value, $n);
        return $this->normalize($root);
    }

    /**
     * Performs exponentiation.
     *
     * @param GMP $n
     * @return GMP
     */
    public function pow(GMP $n)
    {
        $temp = new self();
        $temp->value = $this->value ** $n->value;

        return $this->normalize($temp);
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param GMP ...$nums
     * @return GMP
     */
    public static function min(GMP ...$nums)
    {
        return self::minHelper($nums);
    }

    /**
     * Return the maximum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param GMP ...$nums
     * @return GMP
     */
    public static function max(GMP ...$nums)
    {
        return self::maxHelper($nums);
    }

    /**
     * Tests BigInteger to see if it is between two integers, inclusive
     *
     * @param GMP $min
     * @param GMP $max
     * @return bool
     */
    public function between(GMP $min, GMP $max)
    {
        return $this->compare($min) >= 0 && $this->compare($max) <= 0;
    }

    /**
     * Create Recurring Modulo Function
     *
     * Sometimes it may be desirable to do repeated modulos with the same number outside of
     * modular exponentiation
     *
     * @return callable
     */
    public function createRecurringModuloFunction()
    {
        $temp = $this->value;
        return function (GMP $x) use ($temp) {
            return new GMP($x->value % $temp);
        };
    }

    /**
     * Scan for 1 and right shift by that amount
     *
     * ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
     *
     * @param GMP $r
     * @return int
     */
    public static function scan1divide(GMP $r)
    {
        $s = gmp_scan1($r->value, 0);
        $r->value >>= $s;
        return $s;
    }

    /**
     * Is Odd?
     *
     * @return bool
     */
    public function isOdd()
    {
        return gmp_testbit($this->value, 0);
    }

    /**
     * Tests if a bit is set
     *
     * @return bool
     */
    public function testBit($x)
    {
        return gmp_testbit($this->value, $x);
    }

    /**
     * Is Negative?
     *
     * @return bool
     */
    public function isNegative()
    {
        return gmp_sign($this->value) == -1;
    }

    /**
     * Negate
     *
     * Given $k, returns -$k
     *
     * @return GMP
     */
    public function negate()
    {
        $temp = clone $this;
        $temp->value = -$this->value;

        return $temp;
    }
}
PK     8‰U]ôqo    H  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/OpenSSL.phpnu „[µü¤        <?php

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

use phpseclib3\Crypt\RSA\Formats\Keys\PKCS8;
use phpseclib3\Math\BigInteger;

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * @package Engines
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSL
{
    /**
     * Test for engine validity
     *
     * @return bool
     */
    public static function isValidEngine()
    {
        return extension_loaded('openssl') && static::class != __CLASS__;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param Engine $x
     * @param Engine $e
     * @param Engine $n
     * @return Engine
     */
    public static function powModHelper(Engine $x, Engine $e, Engine $n)
    {
        if ($n->getLengthInBytes() < 31 || $n->getLengthInBytes() > 16384) {
            throw new \OutOfRangeException('Only modulo between 31 and 16384 bits are accepted');
        }

        $key = PKCS8::savePublicKey(
            new BigInteger($n),
            new BigInteger($e)
        );

        $plaintext = str_pad($x->toBytes(), $n->getLengthInBytes(), "\0", STR_PAD_LEFT);

        // this is easily prone to failure. if the modulo is a multiple of 2 or 3 or whatever it
        // won't work and you'll get a "failure: error:0906D06C:PEM routines:PEM_read_bio:no start line"
        // error. i suppose, for even numbers, we could do what PHP\Montgomery.php does, but then what
        // about odd numbers divisible by 3, by 5, etc?
        if (!openssl_public_encrypt($plaintext, $result, $key, OPENSSL_NO_PADDING)) {
            throw new \UnexpectedValueException(openssl_error_string());
        }

        $class = get_class($x);
        return new $class($result, 256);
    }
}
PK     8‰U][fëŽ>#  >#  F  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP32.phpnu „[µü¤        <?php

/**
 * Pure-PHP 32-bit BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

/**
 * Pure-PHP 32-bit Engine.
 *
 * Uses 64-bit floats if int size is 4 bits
 *
 * @package PHP32
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PHP32 extends PHP
{
    // Constants used by PHP.php
    const BASE = 26;
    const BASE_FULL = 0x4000000;
    const MAX_DIGIT = 0x3FFFFFF;
    const MSB = 0x2000000;

    /**
     * MAX10 in greatest MAX10LEN satisfying
     * MAX10 = 10**MAX10LEN <= 2**BASE.
     */
    const MAX10 = 10000000;

    /**
     * MAX10LEN in greatest MAX10LEN satisfying
     * MAX10 = 10**MAX10LEN <= 2**BASE.
     */
    const MAX10LEN = 7;
    const MAX_DIGIT2 = 4503599627370496;

    /**
     * Initialize a PHP32 BigInteger Engine instance
     *
     * @param int $base
     * @see parent::initialize()
     */
    protected function initialize($base)
    {
        if ($base != 256 && $base != -256) {
            return parent::initialize($base);
        }

        $val = $this->value;
        $this->value = [];
        $vals = &$this->value;
        $i = strlen($val);
        if (!$i) {
            return;
        }

        while (true) {
            $i -= 4;
            if ($i < 0) {
                if ($i == -4) {
                    break;
                }
                $val = substr($val, 0, 4 + $i);
                $val = str_pad($val, 4, "\0", STR_PAD_LEFT);
                if ($val == "\0\0\0\0") {
                    break;
                }
                $i = 0;
            }
            list(, $digit) = unpack('N', substr($val, $i, 4));
            $step = count($vals) & 3;
            if ($step) {
                $digit >>= 2 * $step;
            }
            if ($step != 3) {
                $digit &= static::MAX_DIGIT;
                $i++;
            }
            $vals[] = $digit;
        }
        while (end($vals) === 0) {
            array_pop($vals);
        }
        reset($vals);
    }

    /**
     * Test for engine validity
     *
     * @see parent::__construct()
     * @return bool
     */
    public static function isValidEngine()
    {
        return PHP_INT_SIZE >= 4;
    }

    /**
     * Adds two BigIntegers.
     *
     * @param PHP32 $y
     * @return PHP32
     */
    public function add(PHP32 $y)
    {
        $temp = self::addHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Subtracts two BigIntegers.
     *
     * @param PHP32 $y
     * @return PHP32
     */
    public function subtract(PHP32 $y)
    {
        $temp = self::subtractHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Multiplies two BigIntegers.
     *
     * @param PHP32 $y
     * @return PHP32
     */
    public function multiply(PHP32 $y)
    {
        $temp = self::multiplyHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * @param PHP32 $y
     * @return array{PHP32, PHP32}
     */
    public function divide(PHP32 $y)
    {
        return $this->divideHelper($y);
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     * @param PHP32 $n
     * @return false|PHP32
     */
    public function modInverse(PHP32 $n)
    {
        return $this->modInverseHelper($n);
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     * @param PHP32 $n
     * @return PHP32[]
     */
    public function extendedGCD(PHP32 $n)
    {
        return $this->extendedGCDHelper($n);
    }

    /**
     * Calculates the greatest common divisor
     *
     * Say you have 693 and 609.  The GCD is 21.
     *
     * @param PHP32 $n
     * @return PHP32
     */
    public function gcd(PHP32 $n)
    {
        return $this->extendedGCD($n)['gcd'];
    }

    /**
     * Logical And
     *
     * @param PHP32 $x
     * @return PHP32
     */
    public function bitwise_and(PHP32 $x)
    {
        return $this->bitwiseAndHelper($x);
    }

    /**
     * Logical Or
     *
     * @param PHP32 $x
     * @return PHP32
     */
    public function bitwise_or(PHP32 $x)
    {
        return $this->bitwiseOrHelper($x);
    }

    /**
     * Logical Exclusive Or
     *
     * @param PHP32 $x
     * @return PHP32
     */
    public function bitwise_xor(PHP32 $x)
    {
        return $this->bitwiseXorHelper($x);
    }

    /**
     * Compares two numbers.
     *
     * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite.  The reason for this is
     * demonstrated thusly:
     *
     * $x  > $y: $x->compare($y)  > 0
     * $x  < $y: $x->compare($y)  < 0
     * $x == $y: $x->compare($y) == 0
     *
     * Note how the same comparison operator is used.  If you want to test for equality, use $x->equals($y).
     *
     * {@internal Could return $this->subtract($x), but that's not as fast as what we do do.}
     *
     * @param PHP32 $y
     * @return int in case < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
     * @access public
     * @see self::equals()
     */
    public function compare(PHP32 $y)
    {
        return $this->compareHelper($this->value, $this->is_negative, $y->value, $y->is_negative);
    }

    /**
     * Tests the equality of two numbers.
     *
     * If you need to see if one number is greater than or less than another number, use BigInteger::compare()
     *
     * @param PHP32 $x
     * @return bool
     */
    public function equals(PHP32 $x)
    {
        return $this->value === $x->value && $this->is_negative == $x->is_negative;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param PHP32 $e
     * @param PHP32 $n
     * @return PHP32
     */
    public function modPow(PHP32 $e, PHP32 $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * Alias for modPow().
     *
     * @param PHP32 $e
     * @param PHP32 $n
     * @return PHP32
     */
    public function powMod(PHP32 $e, PHP32 $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Generate a random prime number between a range
     *
     * If there's not a prime within the given range, false will be returned.
     *
     * @param PHP32 $min
     * @param PHP32 $max
     * @return false|PHP32
     */
    public static function randomRangePrime(PHP32 $min, PHP32 $max)
    {
        return self::randomRangePrimeOuter($min, $max);
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param PHP32 $min
     * @param PHP32 $max
     * @return PHP32
     */
    public static function randomRange(PHP32 $min, PHP32 $max)
    {
        return self::randomRangeHelper($min, $max);
    }

    /**
     * Performs exponentiation.
     *
     * @param PHP32 $n
     * @return PHP32
     */
    public function pow(PHP32 $n)
    {
        return $this->powHelper($n);
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param PHP32 ...$nums
     * @return PHP32
     */
    public static function min(PHP32 ...$nums)
    {
        return self::minHelper($nums);
    }

    /**
     * Return the maximum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param PHP32 ...$nums
     * @return PHP32
     */
    public static function max(PHP32 ...$nums)
    {
        return self::maxHelper($nums);
    }

    /**
     * Tests BigInteger to see if it is between two integers, inclusive
     *
     * @param PHP32 $min
     * @param PHP32 $max
     * @return bool
     */
    public function between(PHP32 $min, PHP32 $max)
    {
        return $this->compare($min) >= 0 && $this->compare($max) <= 0;
    }
}
PK     8‰U]1*S‰  ‰  O  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/OpenSSL.phpnu „[µü¤        <?php

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath;

use phpseclib3\Math\BigInteger\Engines\OpenSSL as Progenitor;

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * @package BCMath
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSL extends Progenitor
{
}
PK     8‰U]¤cuä	  ä	  L  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Base.phpnu „[µü¤        <?php

/**
 * Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath;

use phpseclib3\Math\BigInteger\Engines\BCMath;

/**
 * Sliding Window Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Base extends BCMath
{
    /**
     * Cache constants
     *
     * $cache[self::VARIABLE] tells us whether or not the cached data is still valid.
     *
     * @access private
     */
    const VARIABLE = 0;
    /**
     * $cache[self::DATA] contains the cached data.
     *
     * @access private
     */
    const DATA = 1;

    /**
     * Test for engine validity
     *
     * @return bool
     */
    public static function isValidEngine()
    {
        return static::class != __CLASS__;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param BCMath $x
     * @param BCMath $e
     * @param BCMath $n
     * @param string $class
     * @return BCMath
     */
    protected static function powModHelper(BCMath $x, BCMath $e, BCMath $n, $class)
    {
        if (empty($e->value)) {
            $temp = new $class();
            $temp->value = '1';
            return $x->normalize($temp);
        }

        return $x->normalize(static::slidingWindow($x, $e, $n, $class));
    }

    /**
     * Modular reduction preparation
     *
     * @param string $x
     * @param string $n
     * @param string $class
     * @see self::slidingWindow()
     * @return string
     */
    protected static function prepareReduce($x, $n, $class)
    {
        return static::reduce($x, $n);
    }

    /**
     * Modular multiply
     *
     * @param string $x
     * @param string $y
     * @param string $n
     * @param string $class
     * @see self::slidingWindow()
     * @return string
     */
    protected static function multiplyReduce($x, $y, $n, $class)
    {
        return static::reduce(bcmul($x, $y), $n);
    }

    /**
     * Modular square
     *
     * @param string $x
     * @param string $n
     * @param string $class
     * @see self::slidingWindow()
     * @return string
     */
    protected static function squareReduce($x, $n, $class)
    {
        return static::reduce(bcmul($x, $x), $n);
    }
}
PK     9‰U]€+Ã¢˜  ˜  U  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/DefaultEngine.phpnu „[µü¤        <?php

/**
 * BCMath Default Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath;

use phpseclib3\Math\BigInteger\Engines\BCMath\Reductions\Barrett;

/**
 * PHP Default Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DefaultEngine extends Barrett
{
}
PK     9‰U]—ªl­‘  ‘  ^  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.phpnu „[µü¤        <?php

/**
 * BCMath Dynamic Barrett Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath\Reductions;

use phpseclib3\Math\BigInteger\Engines\BCMath;
use phpseclib3\Math\BigInteger\Engines\BCMath\Base;

/**
 * PHP Barrett Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EvalBarrett extends Base
{
    /**
     * Custom Reduction Function
     *
     * @see self::generateCustomReduction
     */
    private static $custom_reduction;

    /**
     * Barrett Modular Reduction
     *
     * This calls a dynamically generated loop unrolled function that's specific to a given modulo.
     * Array lookups are avoided as are if statements testing for how many bits the host OS supports, etc.
     *
     * @param string $n
     * @param string $m
     * @return string
     */
    protected static function reduce($n, $m)
    {
        $inline = self::$custom_reduction;
        return $inline($n);
    }

    /**
     * Generate Custom Reduction
     *
     * @param BCMath $m
     * @param string $class
     * @return callable|void
     */
    protected static function generateCustomReduction(BCMath $m, $class)
    {
        $m_length = strlen($m);

        if ($m_length < 5) {
            $code = 'return bcmod($x, $n);';
            eval('$func = function ($n) { ' . $code . '};');
            self::$custom_reduction = $func;
            return;
        }

        $lhs = '1' . str_repeat('0', $m_length + ($m_length >> 1));
        $u = bcdiv($lhs, $m, 0);
        $m1 = bcsub($lhs, bcmul($u, $m));

        $cutoff = $m_length + ($m_length >> 1);

        $m = "'$m'";
        $u = "'$u'";
        $m1 = "'$m1'";

        $code = '
            $lsd = substr($n, -' . $cutoff . ');
            $msd = substr($n, 0, -' . $cutoff . ');

            $temp = bcmul($msd, ' . $m1 . ');
            $n = bcadd($lsd, $temp);

            $temp = substr($n, 0, ' . (-$m_length + 1) . ');
            $temp = bcmul($temp, ' . $u . ');
            $temp = substr($temp, 0, ' . (-($m_length >> 1) - 1) . ');
            $temp = bcmul($temp, ' . $m . ');

            $result = bcsub($n, $temp);

            if ($result[0] == \'-\') {
                $temp = \'1' . str_repeat('0', $m_length + 1) . '\';
                $result = bcadd($result, $temp);
            }

            while (bccomp($result, ' . $m . ') >= 0) {
                $result = bcsub($result, ' . $m . ');
            }

            return $result;';

        eval('$func = function ($n) { ' . $code . '};');

        self::$custom_reduction = $func;

        return $func;
    }
}
PK     9‰U]b@K½Ž  Ž  Z  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.phpnu „[µü¤        <?php

/**
 * BCMath Barrett Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath\Reductions;

use phpseclib3\Math\BigInteger\Engines\BCMath\Base;

/**
 * PHP Barrett Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Barrett extends Base
{
    /**
     * Cache constants
     *
     * $cache[self::VARIABLE] tells us whether or not the cached data is still valid.
     *
     * @access private
     */
    const VARIABLE = 0;
    /**
     * $cache[self::DATA] contains the cached data.
     *
     * @access private
     */
    const DATA = 1;

    /**
     * Barrett Modular Reduction
     *
     * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} /
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information.  Modified slightly,
     * so as not to require negative numbers (initially, this script didn't support negative numbers).
     *
     * Employs "folding", as described at
     * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}.  To quote from
     * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x."
     *
     * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that
     * usable on account of (1) its not using reasonable radix points as discussed in
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable
     * radix points, it only works when there are an even number of digits in the denominator.  The reason for (2) is that
     * (x >> 1) + (x >> 1) != x / 2 + x / 2.  If x is even, they're the same, but if x is odd, they're not.  See the in-line
     * comments for details.
     *
     * @param string $n
     * @param string $m
     * @return string
     */
    protected static function reduce($n, $m)
    {
        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        $m_length = strlen($m);

        if (strlen($n) > 2 * $m_length) {
            return bcmod($n, $m);
        }

        // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced
        if ($m_length < 5) {
            return self::regularBarrett($n, $m);
        }
        // n = 2 * m.length

        if (($key = array_search($m, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $m;

            $lhs = '1' . str_repeat('0', $m_length + ($m_length >> 1));
            $u = bcdiv($lhs, $m, 0);
            $m1 = bcsub($lhs, bcmul($u, $m));

            $cache[self::DATA][] = [
                'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1)
                'm1' => $m1 // m.length
            ];
        } else {
            extract($cache[self::DATA][$key]);
        }

        $cutoff = $m_length + ($m_length >> 1);

        $lsd = substr($n, -$cutoff);
        $msd = substr($n, 0, -$cutoff);

        $temp = bcmul($msd, $m1); // m.length + (m.length >> 1)
        $n = bcadd($lsd, $temp); // m.length + (m.length >> 1) + 1 (so basically we're adding two same length numbers)
        //if ($m_length & 1) {
        //    return self::regularBarrett($n, $m);
        //}

        // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2
        $temp = substr($n, 0, -$m_length + 1);
        // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2
        // if odd:  ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1
        $temp = bcmul($temp, $u);
        // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1
        // if odd:  (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1)
        $temp = substr($temp, 0, -($m_length >> 1) - 1);
        // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1
        // if odd:  (m.length - (m.length >> 1)) + m.length     = 2 * m.length - (m.length >> 1)
        $temp = bcmul($temp, $m);

        // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit
        // number from a m.length + (m.length >> 1) + 1 digit number.  ie. there'd be an extra digit and the while loop
        // following this comment would loop a lot (hence our calling _regularBarrett() in that situation).

        $result = bcsub($n, $temp);

        //if (bccomp($result, '0') < 0) {
        if ($result[0] == '-') {
            $temp = '1' . str_repeat('0', $m_length + 1);
            $result = bcadd($result, $temp);
        }

        while (bccomp($result, $m) >= 0) {
            $result = bcsub($result, $m);
        }

        return $result;
    }

    /**
     * (Regular) Barrett Modular Reduction
     *
     * For numbers with more than four digits BigInteger::_barrett() is faster.  The difference between that and this
     * is that this function does not fold the denominator into a smaller form.
     *
     * @param string $x
     * @param string $n
     * @return string
     */
    private static function regularBarrett($x, $n)
    {
        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        $n_length = strlen($n);

        if (strlen($x) > 2 * $n_length) {
            return bcmod($x, $n);
        }

        if (($key = array_search($n, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $n;
            $lhs = '1' . str_repeat('0', 2 * $n_length);
            $cache[self::DATA][] = bcdiv($lhs, $n, 0);
        }

        $temp = substr($x, 0, -$n_length + 1);
        $temp = bcmul($temp, $cache[self::DATA][$key]);
        $temp = substr($temp, 0, -$n_length - 1);

        $r1 = substr($x, -$n_length - 1);
        $r2 = substr(bcmul($temp, $n), -$n_length - 1);
        $result = bcsub($r1, $r2);

        //if (bccomp($result, '0') < 0) {
        if ($result[0] == '-') {
            $q = '1' . str_repeat('0', $n_length + 1);
            $result = bcadd($result, $q);
        }

        while (bccomp($result, $n) >= 0) {
            $result = bcsub($result, $n);
        }

        return $result;
    }
}
PK     9‰U]:-˜Ê    O  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/BuiltIn.phpnu „[µü¤        <?php

/**
 * Built-In BCMath Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\BCMath;

use phpseclib3\Math\BigInteger\Engines\BCMath;

/**
 * Built-In BCMath Modular Exponentiation Engine
 *
 * @package BCMath
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class BuiltIn extends BCMath
{
    /**
     * Performs modular exponentiation.
     *
     * @param BCMath $x
     * @param BCMath $e
     * @param BCMath $n
     * @return BCMath
     */
    protected static function powModHelper(BCMath $x, BCMath $e, BCMath $n)
    {
        $temp = new BCMath();
        $temp->value = bcpowmod($x->value, $e->value, $n->value);

        return $x->normalize($temp);
    }
}
PK     9‰U];•.ªE  ªE  G  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath.phpnu „[µü¤        <?php

/**
 * BCMath BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Exception\BadConfigurationException;

/**
 * BCMath Engine.
 *
 * @package BCMath
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class BCMath extends Engine
{
    /**
     * Can Bitwise operations be done fast?
     *
     * @see parent::bitwise_leftRotate()
     * @see parent::bitwise_rightRotate()
     * @access protected
     */
    const FAST_BITWISE = false;

    /**
     * Engine Directory
     *
     * @see parent::setModExpEngine
     * @access protected
     */
    const ENGINE_DIR = 'BCMath';

    /**
     * Test for engine validity
     *
     * @return bool
     * @see parent::__construct()
     */
    public static function isValidEngine()
    {
        return extension_loaded('bcmath');
    }

    /**
     * Default constructor
     *
     * @param mixed $x integer Base-10 number or base-$base number if $base set.
     * @param int $base
     * @see parent::__construct()
     */
    public function __construct($x = 0, $base = 10)
    {
        if (!isset(static::$isValidEngine[static::class])) {
            static::$isValidEngine[static::class] = self::isValidEngine();
        }
        if (!static::$isValidEngine[static::class]) {
            throw new BadConfigurationException('BCMath is not setup correctly on this system');
        }

        $this->value = '0';

        parent::__construct($x, $base);
    }

    /**
     * Initialize a BCMath BigInteger Engine instance
     *
     * @param int $base
     * @see parent::__construct()
     */
    protected function initialize($base)
    {
        switch (abs($base)) {
            case 256:
                // round $len to the nearest 4
                $len = (strlen($this->value) + 3) & 0xFFFFFFFC;

                $x = str_pad($this->value, $len, chr(0), STR_PAD_LEFT);

                $this->value = '0';
                for ($i = 0; $i < $len; $i += 4) {
                    $this->value = bcmul($this->value, '4294967296', 0); // 4294967296 == 2**32
                    $this->value = bcadd(
                        $this->value,
                        0x1000000 * ord($x[$i]) + ((ord($x[$i + 1]) << 16) | (ord(
                            $x[$i + 2]
                        ) << 8) | ord($x[$i + 3])),
                        0
                    );
                }

                if ($this->is_negative) {
                    $this->value = '-' . $this->value;
                }
                break;
            case 16:
                $x = (strlen($this->value) & 1) ? '0' . $this->value : $this->value;
                $temp = new self(Hex::decode($x), 256);
                $this->value = $this->is_negative ? '-' . $temp->value : $temp->value;
                $this->is_negative = false;
                break;
            case 10:
                // explicitly casting $x to a string is necessary, here, since doing $x[0] on -1 yields different
                // results then doing it on '-1' does (modInverse does $x[0])
                $this->value = $this->value === '-' ? '0' : (string)$this->value;
        }
    }

    /**
     * Converts a BigInteger to a base-10 number.
     *
     * @return string
     */
    public function toString()
    {
        if ($this->value === '0') {
            return '0';
        }

        return ltrim($this->value, '0');
    }

    /**
     * Converts a BigInteger to a byte string (eg. base-256).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBytes($twos_compliment = false)
    {
        if ($twos_compliment) {
            return $this->toBytesHelper();
        }

        $value = '';
        $current = $this->value;

        if ($current[0] == '-') {
            $current = substr($current, 1);
        }

        while (bccomp($current, '0', 0) > 0) {
            $temp = bcmod($current, '16777216');
            $value = chr($temp >> 16) . chr($temp >> 8) . chr($temp) . $value;
            $current = bcdiv($current, '16777216', 0);
        }

        return $this->precision > 0 ?
            substr(str_pad($value, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :
            ltrim($value, chr(0));
    }

    /**
     * Adds two BigIntegers.
     *
     * @param BCMath $y
     * @return BCMath
     */
    public function add(BCMath $y)
    {
        $temp = new self();
        $temp->value = bcadd($this->value, $y->value);

        return $this->normalize($temp);
    }

    /**
     * Subtracts two BigIntegers.
     *
     * @param BCMath $y
     * @return BCMath
     */
    public function subtract(BCMath $y)
    {
        $temp = new self();
        $temp->value = bcsub($this->value, $y->value);

        return $this->normalize($temp);
    }

    /**
     * Multiplies two BigIntegers.
     *
     * @param BCMath $x
     * @return BCMath
     */
    public function multiply(BCMath $x)
    {
        $temp = new self();
        $temp->value = bcmul($this->value, $x->value);

        return $this->normalize($temp);
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * @param BCMath $y
     * @return array{static, static}
     */
    public function divide(BCMath $y)
    {
        $quotient = new self();
        $remainder = new self();

        $quotient->value = bcdiv($this->value, $y->value, 0);
        $remainder->value = bcmod($this->value, $y->value);

        if ($remainder->value[0] == '-') {
            $remainder->value = bcadd($remainder->value, $y->value[0] == '-' ? substr($y->value, 1) : $y->value, 0);
        }

        return [$this->normalize($quotient), $this->normalize($remainder)];
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     *
     * @param BCMath $n
     * @return false|BCMath
     */
    public function modInverse(BCMath $n)
    {
        return $this->modInverseHelper($n);
    }

    /**
     * Calculates the greatest common divisor and Bezout's identity.
     *
     * Say you have 693 and 609.  The GCD is 21.  Bezout's identity states that there exist integers x and y such that
     * 693*x + 609*y == 21.  In point of fact, there are actually an infinite number of x and y combinations and which
     * combination is returned is dependent upon which mode is in use.  See
     * {@link http://en.wikipedia.org/wiki/B%C3%A9zout%27s_identity Bezout's identity - Wikipedia} for more information.
     *
     * @param BCMath $n
     * @return array{gcd: static, x: static, y: static}
     */
    public function extendedGCD(BCMath $n)
    {
        // it might be faster to use the binary xGCD algorithim here, as well, but (1) that algorithim works
        // best when the base is a power of 2 and (2) i don't think it'd make much difference, anyway.  as is,
        // the basic extended euclidean algorithim is what we're using.

        $u = $this->value;
        $v = $n->value;

        $a = '1';
        $b = '0';
        $c = '0';
        $d = '1';

        while (bccomp($v, '0', 0) != 0) {
            $q = bcdiv($u, $v, 0);

            $temp = $u;
            $u = $v;
            $v = bcsub($temp, bcmul($v, $q, 0), 0);

            $temp = $a;
            $a = $c;
            $c = bcsub($temp, bcmul($a, $q, 0), 0);

            $temp = $b;
            $b = $d;
            $d = bcsub($temp, bcmul($b, $q, 0), 0);
        }

        return [
            'gcd' => $this->normalize(new static($u)),
            'x' => $this->normalize(new static($a)),
            'y' => $this->normalize(new static($b))
        ];
    }

    /**
     * Calculates the greatest common divisor
     *
     * Say you have 693 and 609.  The GCD is 21.
     *
     * @param BCMath $n
     * @return BCMath
     */
    public function gcd(BCMath $n)
    {
        extract($this->extendedGCD($n));
        /** @var BCMath $gcd */
        return $gcd;
    }

    /**
     * Absolute value.
     *
     * @return BCMath
     */
    public function abs()
    {
        $temp = new static();
        $temp->value = strlen($this->value) && $this->value[0] == '-' ?
            substr($this->value, 1) :
            $this->value;

        return $temp;
    }

    /**
     * Logical And
     *
     * @param BCMath $x
     * @return BCMath
     */
    public function bitwise_and(BCMath $x)
    {
        return $this->bitwiseAndHelper($x);
    }

    /**
     * Logical Or
     *
     * @param BCMath $x
     * @return BCMath
     */
    public function bitwise_or(BCMath $x)
    {
        return $this->bitwiseXorHelper($x);
    }

    /**
     * Logical Exclusive Or
     *
     * @param BCMath $x
     * @return BCMath
     */
    public function bitwise_xor(BCMath $x)
    {
        return $this->bitwiseXorHelper($x);
    }

    /**
     * Logical Right Shift
     *
     * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
     *
     * @param int $shift
     * @return BCMath
     */
    public function bitwise_rightShift($shift)
    {
        $temp = new static();
        $temp->value = bcdiv($this->value, bcpow('2', $shift, 0), 0);

        return $this->normalize($temp);
    }

    /**
     * Logical Left Shift
     *
     * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
     *
     * @param int $shift
     * @return BCMath
     */
    public function bitwise_leftShift($shift)
    {
        $temp = new static();
        $temp->value = bcmul($this->value, bcpow('2', $shift, 0), 0);

        return $this->normalize($temp);
    }

    /**
     * Compares two numbers.
     *
     * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite.  The reason for this
     * is demonstrated thusly:
     *
     * $x  > $y: $x->compare($y)  > 0
     * $x  < $y: $x->compare($y)  < 0
     * $x == $y: $x->compare($y) == 0
     *
     * Note how the same comparison operator is used.  If you want to test for equality, use $x->equals($y).
     *
     * {@internal Could return $this->subtract($x), but that's not as fast as what we do do.}
     *
     * @param BCMath $y
     * @return int in case < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
     * @see self::equals()
     */
    public function compare(BCMath $y)
    {
        return bccomp($this->value, $y->value, 0);
    }

    /**
     * Tests the equality of two numbers.
     *
     * If you need to see if one number is greater than or less than another number, use BigInteger::compare()
     *
     * @param BCMath $x
     * @return bool
     */
    public function equals(BCMath $x)
    {
        return $this->value == $x->value;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param BCMath $e
     * @param BCMath $n
     * @return BCMath
     */
    public function modPow(BCMath $e, BCMath $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * Alias for modPow().
     *
     * @param BCMath $e
     * @param BCMath $n
     * @return BCMath
     */
    public function powMod(BCMath $e, BCMath $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * @param BCMath $e
     * @param BCMath $n
     * @return BCMath
     */
    protected function powModInner(BCMath $e, BCMath $n)
    {
        try {
            $class = static::$modexpEngine[static::class];
            return $class::powModHelper($this, $e, $n, static::class);
        } catch (\Exception $err) {
            return BCMath\DefaultEngine::powModHelper($this, $e, $n, static::class);
        }
    }

    /**
     * Normalize
     *
     * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision
     *
     * @param BCMath $result
     * @return BCMath
     */
    protected function normalize(BCMath $result)
    {
        $result->precision = $this->precision;
        $result->bitmask = $this->bitmask;

        if ($result->bitmask !== false) {
            $result->value = bcmod($result->value, $result->bitmask->value);
        }

        return $result;
    }

    /**
     * Generate a random prime number between a range
     *
     * If there's not a prime within the given range, false will be returned.
     *
     * @param BCMath $min
     * @param BCMath $max
     * @return false|BCMath
     */
    public static function randomRangePrime(BCMath $min, BCMath $max)
    {
        return self::randomRangePrimeOuter($min, $max);
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param BCMath $min
     * @param BCMath $max
     * @return BCMath
     */
    public static function randomRange(BCMath $min, BCMath $max)
    {
        return self::randomRangeHelper($min, $max);
    }

    /**
     * Make the current number odd
     *
     * If the current number is odd it'll be unchanged.  If it's even, one will be added to it.
     *
     * @see self::randomPrime()
     */
    protected function make_odd()
    {
        if (!$this->isOdd()) {
            $this->value = bcadd($this->value, '1');
        }
    }

    /**
     * Test the number against small primes.
     *
     * @see self::isPrime()
     */
    protected function testSmallPrimes()
    {
        if ($this->value === '1') {
            return false;
        }
        if ($this->value === '2') {
            return true;
        }
        if ($this->value[strlen($this->value) - 1] % 2 == 0) {
            return false;
        }

        $value = $this->value;

        foreach (self::PRIMES as $prime) {
            $r = bcmod($this->value, $prime);
            if ($r == '0') {
                return $this->value == $prime;
            }
        }

        return true;
    }

    /**
     * Scan for 1 and right shift by that amount
     *
     * ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
     *
     * @param BCMath $r
     * @return int
     * @see self::isPrime()
     */
    public static function scan1divide(BCMath $r)
    {
        $r_value = &$r->value;
        $s = 0;
        // if $n was 1, $r would be 0 and this would be an infinite loop, hence our $this->equals(static::$one[static::class]) check earlier
        while ($r_value[strlen($r_value) - 1] % 2 == 0) {
            $r_value = bcdiv($r_value, '2', 0);
            ++$s;
        }

        return $s;
    }

    /**
     * Performs exponentiation.
     *
     * @param BCMath $n
     * @return BCMath
     */
    public function pow(BCMath $n)
    {
        $temp = new self();
        $temp->value = bcpow($this->value, $n->value);

        return $this->normalize($temp);
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param BCMath ...$nums
     * @return BCMath
     */
    public static function min(BCMath ...$nums)
    {
        return self::minHelper($nums);
    }

    /**
     * Return the maximum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param BCMath ...$nums
     * @return BCMath
     */
    public static function max(BCMath ...$nums)
    {
        return self::maxHelper($nums);
    }

    /**
     * Tests BigInteger to see if it is between two integers, inclusive
     *
     * @param BCMath $min
     * @param BCMath $max
     * @return bool
     */
    public function between(BCMath $min, BCMath $max)
    {
        return $this->compare($min) >= 0 && $this->compare($max) <= 0;
    }

    /**
     * Set Bitmask
     *
     * @param int $bits
     * @return Engine
     * @see self::setPrecision()
     */
    protected static function setBitmask($bits)
    {
        $temp = parent::setBitmask($bits);
        return $temp->add(static::$one[static::class]);
    }

    /**
     * Is Odd?
     *
     * @return bool
     */
    public function isOdd()
    {
        return $this->value[strlen($this->value) - 1] % 2 == 1;
    }

    /**
     * Tests if a bit is set
     *
     * @return bool
     */
    public function testBit($x)
    {
        return bccomp(
            bcmod($this->value, bcpow('2', $x + 1, 0)),
            bcpow('2', $x, 0),
            0
        ) >= 0;
    }

    /**
     * Is Negative?
     *
     * @return bool
     */
    public function isNegative()
    {
        return strlen($this->value) && $this->value[0] == '-';
    }

    /**
     * Negate
     *
     * Given $k, returns -$k
     *
     * @return BCMath
     */
    public function negate()
    {
        $temp = clone $this;

        if (!strlen($temp->value)) {
            return $temp;
        }

        $temp->value = $temp->value[0] == '-' ?
            substr($this->value, 1) :
            '-' . $this->value;

        return $temp;
    }
}
PK     9‰U]6,ÛJ�–  �–  D  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP.phpnu „[µü¤        <?php

/**
 * Pure-PHP BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Exception\BadConfigurationException;

/**
 * Pure-PHP Engine.
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PHP extends Engine
{
    /**#@+
     * Array constants
     *
     * Rather than create a thousands and thousands of new BigInteger objects in repeated function calls to add() and
     * multiply() or whatever, we'll just work directly on arrays, taking them in as parameters and returning them.
     *
     * @access protected
     */
    /**
     * $result[self::VALUE] contains the value.
     */
    const VALUE = 0;
    /**
     * $result[self::SIGN] contains the sign.
     */
    const SIGN = 1;
    /**#@-*/

    /**
     * Karatsuba Cutoff
     *
     * At what point do we switch between Karatsuba multiplication and schoolbook long multiplication?
     *
     * @access private
     */
    const KARATSUBA_CUTOFF = 25;

    /**
     * Can Bitwise operations be done fast?
     *
     * @see parent::bitwise_leftRotate()
     * @see parent::bitwise_rightRotate()
     * @access protected
     */
    const FAST_BITWISE = true;

    /**
     * Engine Directory
     *
     * @see parent::setModExpEngine
     * @access protected
     */
    const ENGINE_DIR = 'PHP';

    /**
     * Default constructor
     *
     * @param mixed $x integer Base-10 number or base-$base number if $base set.
     * @param int $base
     * @return PHP
     * @see parent::__construct()
     */
    public function __construct($x = 0, $base = 10)
    {
        if (!isset(static::$isValidEngine[static::class])) {
            static::$isValidEngine[static::class] = static::isValidEngine();
        }
        if (!static::$isValidEngine[static::class]) {
            throw new BadConfigurationException(static::class . ' is not setup correctly on this system');
        }

        $this->value = [];
        parent::__construct($x, $base);
    }

    /**
     * Initialize a PHP BigInteger Engine instance
     *
     * @param int $base
     * @see parent::__construct()
     */
    protected function initialize($base)
    {
        switch (abs($base)) {
            case 16:
                $x = (strlen($this->value) & 1) ? '0' . $this->value : $this->value;
                $temp = new static(Hex::decode($x), 256);
                $this->value = $temp->value;
                break;
            case 10:
                $temp = new static();

                $multiplier = new static();
                $multiplier->value = [static::MAX10];

                $x = $this->value;

                if ($x[0] == '-') {
                    $this->is_negative = true;
                    $x = substr($x, 1);
                }

                $x = str_pad(
                    $x,
                    strlen($x) + ((static::MAX10LEN - 1) * strlen($x)) % static::MAX10LEN,
                    0,
                    STR_PAD_LEFT
                );
                while (strlen($x)) {
                    $temp = $temp->multiply($multiplier);
                    $temp = $temp->add(new static($this->int2bytes(substr($x, 0, static::MAX10LEN)), 256));
                    $x = substr($x, static::MAX10LEN);
                }

                $this->value = $temp->value;
        }
    }

    /**
     * Pads strings so that unpack may be used on them
     *
     * @param string $str
     * @return string
     */
    protected function pad($str)
    {
        $length = strlen($str);

        $pad = 4 - (strlen($str) % 4);

        return str_pad($str, $length + $pad, "\0", STR_PAD_LEFT);
    }

    /**
     * Converts a BigInteger to a base-10 number.
     *
     * @return string
     */
    public function toString()
    {
        if (!count($this->value)) {
            return '0';
        }

        $temp = clone $this;
        $temp->bitmask = false;
        $temp->is_negative = false;

        $divisor = new static();
        $divisor->value = [static::MAX10];
        $result = '';
        while (count($temp->value)) {
            list($temp, $mod) = $temp->divide($divisor);
            $result = str_pad(
                isset($mod->value[0]) ? $mod->value[0] : '',
                static::MAX10LEN,
                '0',
                STR_PAD_LEFT
            ) . $result;
        }
        $result = ltrim($result, '0');
        if (empty($result)) {
            $result = '0';
        }

        if ($this->is_negative) {
            $result = '-' . $result;
        }

        return $result;
    }

    /**
     * Converts a BigInteger to a byte string (eg. base-256).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBytes($twos_compliment = false)
    {
        if ($twos_compliment) {
            return $this->toBytesHelper();
        }

        if (!count($this->value)) {
            return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
        }

        $result = $this->bitwise_small_split(8);
        $result = implode('', array_map('chr', $result));

        return $this->precision > 0 ?
            str_pad(
                substr($result, -(($this->precision + 7) >> 3)),
                ($this->precision + 7) >> 3,
                chr(0),
                STR_PAD_LEFT
            ) :
            $result;
    }

    /**
     * Performs addition.
     *
     * @param array $x_value
     * @param bool $x_negative
     * @param array $y_value
     * @param bool $y_negative
     * @return array
     */
    protected static function addHelper(array $x_value, $x_negative, array $y_value, $y_negative)
    {
        $x_size = count($x_value);
        $y_size = count($y_value);

        if ($x_size == 0) {
            return [
                self::VALUE => $y_value,
                self::SIGN => $y_negative
            ];
        } elseif ($y_size == 0) {
            return [
                self::VALUE => $x_value,
                self::SIGN => $x_negative
            ];
        }

        // subtract, if appropriate
        if ($x_negative != $y_negative) {
            if ($x_value == $y_value) {
                return [
                    self::VALUE => [],
                    self::SIGN => false
                ];
            }

            $temp = self::subtractHelper($x_value, false, $y_value, false);
            $temp[self::SIGN] = self::compareHelper($x_value, false, $y_value, false) > 0 ?
                $x_negative : $y_negative;

            return $temp;
        }

        if ($x_size < $y_size) {
            $size = $x_size;
            $value = $y_value;
        } else {
            $size = $y_size;
            $value = $x_value;
        }

        $value[count($value)] = 0; // just in case the carry adds an extra digit

        $carry = 0;
        for ($i = 0, $j = 1; $j < $size; $i += 2, $j += 2) {
            //$sum = $x_value[$j] * static::BASE_FULL + $x_value[$i] + $y_value[$j] * static::BASE_FULL + $y_value[$i] + $carry;
            $sum = ($x_value[$j] + $y_value[$j]) * static::BASE_FULL + $x_value[$i] + $y_value[$i] + $carry;
            $carry = $sum >= static::MAX_DIGIT2; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
            $sum = $carry ? $sum - static::MAX_DIGIT2 : $sum;

            $temp = static::BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);

            $value[$i] = (int)($sum - static::BASE_FULL * $temp); // eg. a faster alternative to fmod($sum, 0x4000000)
            $value[$j] = $temp;
        }

        if ($j == $size) { // ie. if $y_size is odd
            $sum = $x_value[$i] + $y_value[$i] + $carry;
            $carry = $sum >= static::BASE_FULL;
            $value[$i] = $carry ? $sum - static::BASE_FULL : $sum;
            ++$i; // ie. let $i = $j since we've just done $value[$i]
        }

        if ($carry) {
            for (; $value[$i] == static::MAX_DIGIT; ++$i) {
                $value[$i] = 0;
            }
            ++$value[$i];
        }

        return [
            self::VALUE => self::trim($value),
            self::SIGN => $x_negative
        ];
    }

    /**
     * Performs subtraction.
     *
     * @param array $x_value
     * @param bool $x_negative
     * @param array $y_value
     * @param bool $y_negative
     * @return array
     */
    public static function subtractHelper(array $x_value, $x_negative, array $y_value, $y_negative)
    {
        $x_size = count($x_value);
        $y_size = count($y_value);

        if ($x_size == 0) {
            return [
                self::VALUE => $y_value,
                self::SIGN => !$y_negative
            ];
        } elseif ($y_size == 0) {
            return [
                self::VALUE => $x_value,
                self::SIGN => $x_negative
            ];
        }

        // add, if appropriate (ie. -$x - +$y or +$x - -$y)
        if ($x_negative != $y_negative) {
            $temp = self::addHelper($x_value, false, $y_value, false);
            $temp[self::SIGN] = $x_negative;

            return $temp;
        }

        $diff = self::compareHelper($x_value, $x_negative, $y_value, $y_negative);

        if (!$diff) {
            return [
                self::VALUE => [],
                self::SIGN => false
            ];
        }

        // switch $x and $y around, if appropriate.
        if ((!$x_negative && $diff < 0) || ($x_negative && $diff > 0)) {
            $temp = $x_value;
            $x_value = $y_value;
            $y_value = $temp;

            $x_negative = !$x_negative;

            $x_size = count($x_value);
            $y_size = count($y_value);
        }

        // at this point, $x_value should be at least as big as - if not bigger than - $y_value

        $carry = 0;
        for ($i = 0, $j = 1; $j < $y_size; $i += 2, $j += 2) {
            $sum = ($x_value[$j] - $y_value[$j]) * static::BASE_FULL + $x_value[$i] - $y_value[$i] - $carry;

            $carry = $sum < 0; // eg. floor($sum / 2**52); only possible values (in any base) are 0 and 1
            $sum = $carry ? $sum + static::MAX_DIGIT2 : $sum;

            $temp = static::BASE === 26 ? intval($sum / 0x4000000) : ($sum >> 31);

            $x_value[$i] = (int)($sum - static::BASE_FULL * $temp);
            $x_value[$j] = $temp;
        }

        if ($j == $y_size) { // ie. if $y_size is odd
            $sum = $x_value[$i] - $y_value[$i] - $carry;
            $carry = $sum < 0;
            $x_value[$i] = $carry ? $sum + static::BASE_FULL : $sum;
            ++$i;
        }

        if ($carry) {
            for (; !$x_value[$i]; ++$i) {
                $x_value[$i] = static::MAX_DIGIT;
            }
            --$x_value[$i];
        }

        return [
            self::VALUE => self::trim($x_value),
            self::SIGN => $x_negative
        ];
    }

    /**
     * Performs multiplication.
     *
     * @param array $x_value
     * @param bool $x_negative
     * @param array $y_value
     * @param bool $y_negative
     * @return array
     */
    protected static function multiplyHelper(array $x_value, $x_negative, array $y_value, $y_negative)
    {
        //if ( $x_value == $y_value ) {
        //    return [
        //        self::VALUE => self::square($x_value),
        //        self::SIGN => $x_sign != $y_value
        //    ];
        //}

        $x_length = count($x_value);
        $y_length = count($y_value);

        if (!$x_length || !$y_length) { // a 0 is being multiplied
            return [
                self::VALUE => [],
                self::SIGN => false
            ];
        }

        return [
            self::VALUE => min($x_length, $y_length) < 2 * self::KARATSUBA_CUTOFF ?
                self::trim(self::regularMultiply($x_value, $y_value)) :
                self::trim(self::karatsuba($x_value, $y_value)),
            self::SIGN => $x_negative != $y_negative
        ];
    }

    /**
     * Performs Karatsuba multiplication on two BigIntegers
     *
     * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=120 MPM 5.2.3}.
     *
     * @param array $x_value
     * @param array $y_value
     * @return array
     */
    private static function karatsuba(array $x_value, array $y_value)
    {
        $m = min(count($x_value) >> 1, count($y_value) >> 1);

        if ($m < self::KARATSUBA_CUTOFF) {
            return self::regularMultiply($x_value, $y_value);
        }

        $x1 = array_slice($x_value, $m);
        $x0 = array_slice($x_value, 0, $m);
        $y1 = array_slice($y_value, $m);
        $y0 = array_slice($y_value, 0, $m);

        $z2 = self::karatsuba($x1, $y1);
        $z0 = self::karatsuba($x0, $y0);

        $z1 = self::addHelper($x1, false, $x0, false);
        $temp = self::addHelper($y1, false, $y0, false);
        $z1 = self::karatsuba($z1[self::VALUE], $temp[self::VALUE]);
        $temp = self::addHelper($z2, false, $z0, false);
        $z1 = self::subtractHelper($z1, false, $temp[self::VALUE], false);

        $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
        $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]);

        $xy = self::addHelper($z2, false, $z1[self::VALUE], $z1[self::SIGN]);
        $xy = self::addHelper($xy[self::VALUE], $xy[self::SIGN], $z0, false);

        return $xy[self::VALUE];
    }

    /**
     * Performs long multiplication on two BigIntegers
     *
     * Modeled after 'multiply' in MutableBigInteger.java.
     *
     * @param array $x_value
     * @param array $y_value
     * @return array
     */
    protected static function regularMultiply(array $x_value, array $y_value)
    {
        $x_length = count($x_value);
        $y_length = count($y_value);

        if (!$x_length || !$y_length) { // a 0 is being multiplied
            return [];
        }

        $product_value = self::array_repeat(0, $x_length + $y_length);

        // the following for loop could be removed if the for loop following it
        // (the one with nested for loops) initially set $i to 0, but
        // doing so would also make the result in one set of unnecessary adds,
        // since on the outermost loops first pass, $product->value[$k] is going
        // to always be 0

        $carry = 0;
        for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0
            $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
            $carry = static::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
            $product_value[$j] = (int)($temp - static::BASE_FULL * $carry);
        }

        $product_value[$j] = $carry;

        // the above for loop is what the previous comment was talking about.  the
        // following for loop is the "one with nested for loops"
        for ($i = 1; $i < $y_length; ++$i) {
            $carry = 0;

            for ($j = 0, $k = $i; $j < $x_length; ++$j, ++$k) {
                $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
                $carry = static::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
                $product_value[$k] = (int)($temp - static::BASE_FULL * $carry);
            }

            $product_value[$k] = $carry;
        }

        return $product_value;
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * @return array{static, static}
     * @internal This function is based off of
     *     {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=9 HAC 14.20}.
     */
    protected function divideHelper(PHP $y)
    {
        if (count($y->value) == 1) {
            list($q, $r) = $this->divide_digit($this->value, $y->value[0]);
            $quotient = new static();
            $remainder = new static();
            $quotient->value = $q;
            $remainder->value = [$r];
            $quotient->is_negative = $this->is_negative != $y->is_negative;
            return [$this->normalize($quotient), $this->normalize($remainder)];
        }

        $x = clone $this;
        $y = clone $y;

        $x_sign = $x->is_negative;
        $y_sign = $y->is_negative;

        $x->is_negative = $y->is_negative = false;

        $diff = $x->compare($y);

        if (!$diff) {
            $temp = new static();
            $temp->value = [1];
            $temp->is_negative = $x_sign != $y_sign;
            return [$this->normalize($temp), $this->normalize(static::$zero[static::class])];
        }

        if ($diff < 0) {
            // if $x is negative, "add" $y.
            if ($x_sign) {
                $x = $y->subtract($x);
            }
            return [$this->normalize(static::$zero[static::class]), $this->normalize($x)];
        }

        // normalize $x and $y as described in HAC 14.23 / 14.24
        $msb = $y->value[count($y->value) - 1];
        for ($shift = 0; !($msb & static::MSB); ++$shift) {
            $msb <<= 1;
        }
        $x->lshift($shift);
        $y->lshift($shift);
        $y_value = &$y->value;

        $x_max = count($x->value) - 1;
        $y_max = count($y->value) - 1;

        $quotient = new static();
        $quotient_value = &$quotient->value;
        $quotient_value = self::array_repeat(0, $x_max - $y_max + 1);

        static $temp, $lhs, $rhs;
        if (!isset($temp)) {
            $temp = new static();
            $lhs = new static();
            $rhs = new static();
        }
        if (static::class != get_class($temp)) {
            $temp = new static();
            $lhs = new static();
            $rhs = new static();
        }
        $temp_value = &$temp->value;
        $rhs_value =  &$rhs->value;

        // $temp = $y << ($x_max - $y_max-1) in base 2**26
        $temp_value = array_merge(self::array_repeat(0, $x_max - $y_max), $y_value);

        while ($x->compare($temp) >= 0) {
            // calculate the "common residue"
            ++$quotient_value[$x_max - $y_max];
            $x = $x->subtract($temp);
            $x_max = count($x->value) - 1;
        }

        for ($i = $x_max; $i >= $y_max + 1; --$i) {
            $x_value = &$x->value;
            $x_window = [
                isset($x_value[$i]) ? $x_value[$i] : 0,
                isset($x_value[$i - 1]) ? $x_value[$i - 1] : 0,
                isset($x_value[$i - 2]) ? $x_value[$i - 2] : 0
            ];
            $y_window = [
                $y_value[$y_max],
                ($y_max > 0) ? $y_value[$y_max - 1] : 0
            ];

            $q_index = $i - $y_max - 1;
            if ($x_window[0] == $y_window[0]) {
                $quotient_value[$q_index] = static::MAX_DIGIT;
            } else {
                $quotient_value[$q_index] = self::safe_divide(
                    $x_window[0] * static::BASE_FULL + $x_window[1],
                    $y_window[0]
                );
            }

            $temp_value = [$y_window[1], $y_window[0]];

            $lhs->value = [$quotient_value[$q_index]];
            $lhs = $lhs->multiply($temp);

            $rhs_value = [$x_window[2], $x_window[1], $x_window[0]];

            while ($lhs->compare($rhs) > 0) {
                --$quotient_value[$q_index];

                $lhs->value = [$quotient_value[$q_index]];
                $lhs = $lhs->multiply($temp);
            }

            $adjust = self::array_repeat(0, $q_index);
            $temp_value = [$quotient_value[$q_index]];
            $temp = $temp->multiply($y);
            $temp_value = &$temp->value;
            if (count($temp_value)) {
                $temp_value = array_merge($adjust, $temp_value);
            }

            $x = $x->subtract($temp);

            if ($x->compare(static::$zero[static::class]) < 0) {
                $temp_value = array_merge($adjust, $y_value);
                $x = $x->add($temp);

                --$quotient_value[$q_index];
            }

            $x_max = count($x_value) - 1;
        }

        // unnormalize the remainder
        $x->rshift($shift);

        $quotient->is_negative = $x_sign != $y_sign;

        // calculate the "common residue", if appropriate
        if ($x_sign) {
            $y->rshift($shift);
            $x = $y->subtract($x);
        }

        return [$this->normalize($quotient), $this->normalize($x)];
    }

    /**
     * Divides a BigInteger by a regular integer
     *
     * abc / x = a00 / x + b0 / x + c / x
     *
     * @param array $dividend
     * @param int $divisor
     * @return array
     */
    private static function divide_digit(array $dividend, $divisor)
    {
        $carry = 0;
        $result = [];

        for ($i = count($dividend) - 1; $i >= 0; --$i) {
            $temp = static::BASE_FULL * $carry + $dividend[$i];
            $result[$i] = self::safe_divide($temp, $divisor);
            $carry = (int)($temp - $divisor * $result[$i]);
        }

        return [$result, $carry];
    }

    /**
     * Single digit division
     *
     * Even if int64 is being used the division operator will return a float64 value
     * if the dividend is not evenly divisible by the divisor. Since a float64 doesn't
     * have the precision of int64 this is a problem so, when int64 is being used,
     * we'll guarantee that the dividend is divisible by first subtracting the remainder.
     *
     * @param int $x
     * @param int $y
     * @return int
     */
    private static function safe_divide($x, $y)
    {
        if (static::BASE === 26) {
            return (int)($x / $y);
        }

        // static::BASE === 31
        /** @var int */
        return ($x - ($x % $y)) / $y;
    }

    /**
     * Convert an array / boolean to a PHP BigInteger object
     *
     * @param array $arr
     * @return static
     */
    protected function convertToObj(array $arr)
    {
        $result = new static();
        $result->value = $arr[self::VALUE];
        $result->is_negative = $arr[self::SIGN];

        return $this->normalize($result);
    }

    /**
     * Normalize
     *
     * Removes leading zeros and truncates (if necessary) to maintain the appropriate precision
     *
     * @param PHP $result
     * @return static
     */
    protected function normalize(PHP $result)
    {
        $result->precision = $this->precision;
        $result->bitmask = $this->bitmask;

        $value = &$result->value;

        if (!count($value)) {
            $result->is_negative = false;
            return $result;
        }

        $value = static::trim($value);

        if (!empty($result->bitmask->value)) {
            $length = min(count($value), count($result->bitmask->value));
            $value = array_slice($value, 0, $length);

            for ($i = 0; $i < $length; ++$i) {
                $value[$i] = $value[$i] & $result->bitmask->value[$i];
            }

            $value = static::trim($value);
        }

        return $result;
    }

    /**
     * Compares two numbers.
     *
     * @param array $x_value
     * @param bool $x_negative
     * @param array $y_value
     * @param bool $y_negative
     * @return int
     * @see static::compare()
     */
    protected static function compareHelper(array $x_value, $x_negative, array $y_value, $y_negative)
    {
        if ($x_negative != $y_negative) {
            return (!$x_negative && $y_negative) ? 1 : -1;
        }

        $result = $x_negative ? -1 : 1;

        if (count($x_value) != count($y_value)) {
            return (count($x_value) > count($y_value)) ? $result : -$result;
        }
        $size = max(count($x_value), count($y_value));

        $x_value = array_pad($x_value, $size, 0);
        $y_value = array_pad($y_value, $size, 0);

        for ($i = count($x_value) - 1; $i >= 0; --$i) {
            if ($x_value[$i] != $y_value[$i]) {
                return ($x_value[$i] > $y_value[$i]) ? $result : -$result;
            }
        }

        return 0;
    }

    /**
     * Absolute value.
     *
     * @return PHP
     */
    public function abs()
    {
        $temp = new static();
        $temp->value = $this->value;

        return $temp;
    }

    /**
     * Trim
     *
     * Removes leading zeros
     *
     * @param list<static> $value
     * @return list<static>
     */
    protected static function trim(array $value)
    {
        for ($i = count($value) - 1; $i >= 0; --$i) {
            if ($value[$i]) {
                break;
            }
            unset($value[$i]);
        }

        return $value;
    }

    /**
     * Logical Right Shift
     *
     * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
     *
     * @param int $shift
     * @return PHP
     */
    public function bitwise_rightShift($shift)
    {
        $temp = new static();

        // could just replace lshift with this, but then all lshift() calls would need to be rewritten
        // and I don't want to do that...
        $temp->value = $this->value;
        $temp->rshift($shift);

        return $this->normalize($temp);
    }

    /**
     * Logical Left Shift
     *
     * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
     *
     * @param int $shift
     * @return PHP
     */
    public function bitwise_leftShift($shift)
    {
        $temp = new static();
        // could just replace _rshift with this, but then all _lshift() calls would need to be rewritten
        // and I don't want to do that...
        $temp->value = $this->value;
        $temp->lshift($shift);

        return $this->normalize($temp);
    }

    /**
     * Converts 32-bit integers to bytes.
     *
     * @param int $x
     * @return string
     */
    private static function int2bytes($x)
    {
        return ltrim(pack('N', $x), chr(0));
    }

    /**
     * Array Repeat
     *
     * @param int $input
     * @param int $multiplier
     * @return array
     */
    protected static function array_repeat($input, $multiplier)
    {
        return $multiplier ? array_fill(0, $multiplier, $input) : [];
    }

    /**
     * Logical Left Shift
     *
     * Shifts BigInteger's by $shift bits.
     *
     * @param int $shift
     */
    protected function lshift($shift)
    {
        if ($shift == 0) {
            return;
        }

        $num_digits = (int)($shift / static::BASE);
        $shift %= static::BASE;
        $shift = 1 << $shift;

        $carry = 0;

        for ($i = 0; $i < count($this->value); ++$i) {
            $temp = $this->value[$i] * $shift + $carry;
            $carry = static::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
            $this->value[$i] = (int)($temp - $carry * static::BASE_FULL);
        }

        if ($carry) {
            $this->value[count($this->value)] = $carry;
        }

        while ($num_digits--) {
            array_unshift($this->value, 0);
        }
    }

    /**
     * Logical Right Shift
     *
     * Shifts BigInteger's by $shift bits.
     *
     * @param int $shift
     */
    protected function rshift($shift)
    {
        if ($shift == 0) {
            return;
        }

        $num_digits = (int)($shift / static::BASE);
        $shift %= static::BASE;
        $carry_shift = static::BASE - $shift;
        $carry_mask = (1 << $shift) - 1;

        if ($num_digits) {
            $this->value = array_slice($this->value, $num_digits);
        }

        $carry = 0;

        for ($i = count($this->value) - 1; $i >= 0; --$i) {
            $temp = $this->value[$i] >> $shift | $carry;
            $carry = ($this->value[$i] & $carry_mask) << $carry_shift;
            $this->value[$i] = $temp;
        }

        $this->value = static::trim($this->value);
    }

    /**
     * Performs modular exponentiation.
     *
     * @param PHP $e
     * @param PHP $n
     * @return PHP
     */
    protected function powModInner(PHP $e, PHP $n)
    {
        try {
            $class = static::$modexpEngine[static::class];
            return $class::powModHelper($this, $e, $n, static::class);
        } catch (\Exception $err) {
            return PHP\DefaultEngine::powModHelper($this, $e, $n, static::class);
        }
    }

    /**
     * Performs squaring
     *
     * @param list<static> $x
     * @return list<static>
     */
    protected static function square(array $x)
    {
        return count($x) < 2 * self::KARATSUBA_CUTOFF ?
            self::trim(self::baseSquare($x)) :
            self::trim(self::karatsubaSquare($x));
    }

    /**
     * Performs traditional squaring on two BigIntegers
     *
     * Squaring can be done faster than multiplying a number by itself can be.  See
     * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=7 HAC 14.2.4} /
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=141 MPM 5.3} for more information.
     *
     * @param array $value
     * @return array
     */
    protected static function baseSquare(array $value)
    {
        if (empty($value)) {
            return [];
        }
        $square_value = self::array_repeat(0, 2 * count($value));

        for ($i = 0, $max_index = count($value) - 1; $i <= $max_index; ++$i) {
            $i2 = $i << 1;

            $temp = $square_value[$i2] + $value[$i] * $value[$i];
            $carry = static::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
            $square_value[$i2] = (int)($temp - static::BASE_FULL * $carry);

            // note how we start from $i+1 instead of 0 as we do in multiplication.
            for ($j = $i + 1, $k = $i2 + 1; $j <= $max_index; ++$j, ++$k) {
                $temp = $square_value[$k] + 2 * $value[$j] * $value[$i] + $carry;
                $carry = static::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
                $square_value[$k] = (int)($temp - static::BASE_FULL * $carry);
            }

            // the following line can yield values larger 2**15.  at this point, PHP should switch
            // over to floats.
            $square_value[$i + $max_index + 1] = $carry;
        }

        return $square_value;
    }

    /**
     * Performs Karatsuba "squaring" on two BigIntegers
     *
     * See {@link http://en.wikipedia.org/wiki/Karatsuba_algorithm Karatsuba algorithm} and
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=151 MPM 5.3.4}.
     *
     * @param array $value
     * @return array
     */
    protected static function karatsubaSquare(array $value)
    {
        $m = count($value) >> 1;

        if ($m < self::KARATSUBA_CUTOFF) {
            return self::baseSquare($value);
        }

        $x1 = array_slice($value, $m);
        $x0 = array_slice($value, 0, $m);

        $z2 = self::karatsubaSquare($x1);
        $z0 = self::karatsubaSquare($x0);

        $z1 = self::addHelper($x1, false, $x0, false);
        $z1 = self::karatsubaSquare($z1[self::VALUE]);
        $temp = self::addHelper($z2, false, $z0, false);
        $z1 = self::subtractHelper($z1, false, $temp[self::VALUE], false);

        $z2 = array_merge(array_fill(0, 2 * $m, 0), $z2);
        $z1[self::VALUE] = array_merge(array_fill(0, $m, 0), $z1[self::VALUE]);

        $xx = self::addHelper($z2, false, $z1[self::VALUE], $z1[self::SIGN]);
        $xx = self::addHelper($xx[self::VALUE], $xx[self::SIGN], $z0, false);

        return $xx[self::VALUE];
    }

    /**
     * Make the current number odd
     *
     * If the current number is odd it'll be unchanged.  If it's even, one will be added to it.
     *
     * @see self::randomPrime()
     */
    protected function make_odd()
    {
        $this->value[0] |= 1;
    }

    /**
     * Test the number against small primes.
     *
     * @see self::isPrime()
     */
    protected function testSmallPrimes()
    {
        if ($this->value == [1]) {
            return false;
        }
        if ($this->value == [2]) {
            return true;
        }
        if (~$this->value[0] & 1) {
            return false;
        }

        $value = $this->value;
        foreach (static::PRIMES as $prime) {
            list(, $r) = self::divide_digit($value, $prime);
            if (!$r) {
                return count($value) == 1 && $value[0] == $prime;
            }
        }

        return true;
    }

    /**
     * Scan for 1 and right shift by that amount
     *
     * ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
     *
     * @param PHP $r
     * @return int
     * @see self::isPrime()
     */
    public static function scan1divide(PHP $r)
    {
        $r_value = &$r->value;
        for ($i = 0, $r_length = count($r_value); $i < $r_length; ++$i) {
            $temp = ~$r_value[$i] & static::MAX_DIGIT;
            for ($j = 1; ($temp >> $j) & 1; ++$j) {
            }
            if ($j <= static::BASE) {
                break;
            }
        }
        $s = static::BASE * $i + $j;
        $r->rshift($s);
        return $s;
    }

    /**
     * Performs exponentiation.
     *
     * @param PHP $n
     * @return PHP
     */
    protected function powHelper(PHP $n)
    {
        if ($n->compare(static::$zero[static::class]) == 0) {
            return new static(1);
        } // n^0 = 1

        $temp = clone $this;
        while (!$n->equals(static::$one[static::class])) {
            $temp = $temp->multiply($this);
            $n = $n->subtract(static::$one[static::class]);
        }

        return $temp;
    }

    /**
     * Is Odd?
     *
     * @return bool
     */
    public function isOdd()
    {
        return (bool)($this->value[0] & 1);
    }

    /**
     * Tests if a bit is set
     *
     * @return bool
     */
    public function testBit($x)
    {
        $digit = (int) floor($x / static::BASE);
        $bit = $x % static::BASE;

        if (!isset($this->value[$digit])) {
            return false;
        }

        return (bool)($this->value[$digit] & (1 << $bit));
    }

    /**
     * Is Negative?
     *
     * @return bool
     */
    public function isNegative()
    {
        return $this->is_negative;
    }

    /**
     * Negate
     *
     * Given $k, returns -$k
     *
     * @return static
     */
    public function negate()
    {
        $temp = clone $this;
        $temp->is_negative = !$temp->is_negative;

        return $temp;
    }

    /**
     * Bitwise Split
     *
     * Splits BigInteger's into chunks of $split bits
     *
     * @param int $split
     * @return list<static>
     */
    public function bitwise_split($split)
    {
        if ($split < 1) {
            throw new \RuntimeException('Offset must be greater than 1');
        }

        $width = (int)($split / static::BASE);
        if (!$width) {
            $arr = $this->bitwise_small_split($split);
            return array_map(function ($digit) {
                $temp = new static();
                $temp->value = $digit != 0 ? [$digit] : [];
                return $temp;
            }, $arr);
        }

        $vals = [];
        $val = $this->value;

        $i = $overflow = 0;
        $len = count($val);
        while ($i < $len) {
            $digit = [];
            if (!$overflow) {
                $digit = array_slice($val, $i, $width);
                $i += $width;
                $overflow = $split % static::BASE;
                if ($overflow) {
                    $mask = (1 << $overflow) - 1;
                    $temp = isset($val[$i]) ? $val[$i] : 0;
                    $digit[] = $temp & $mask;
                }
            } else {
                $remaining = static::BASE - $overflow;
                $tempsplit = $split - $remaining;
                $tempwidth = (int)($tempsplit / static::BASE + 1);
                $digit = array_slice($val, $i, $tempwidth);
                $i += $tempwidth;
                $tempoverflow = $tempsplit % static::BASE;
                if ($tempoverflow) {
                    $tempmask = (1 << $tempoverflow) - 1;
                    $temp = isset($val[$i]) ? $val[$i] : 0;
                    $digit[] = $temp & $tempmask;
                }
                $newbits = 0;
                for ($j = count($digit) - 1; $j >= 0; $j--) {
                    $temp = $digit[$j] & $mask;
                    $digit[$j] = ($digit[$j] >> $overflow) | ($newbits << $remaining);
                    $newbits = $temp;
                }
                $overflow = $tempoverflow;
                $mask = $tempmask;
            }
            $temp = new static();
            $temp->value = static::trim($digit);
            $vals[] = $temp;
        }

        return array_reverse($vals);
    }

    /**
     * Bitwise Split where $split < static::BASE
     *
     * @param int $split
     * @return list<int>
     */
    private function bitwise_small_split($split)
    {
        $vals = [];
        $val = $this->value;

        $mask = (1 << $split) - 1;

        $i = $overflow = 0;
        $len = count($val);
        $val[] = 0;
        $remaining = static::BASE;
        while ($i != $len) {
            $digit = $val[$i] & $mask;
            $val[$i] >>= $split;
            if (!$overflow) {
                $remaining -= $split;
                $overflow = $split <= $remaining ? 0 : $split - $remaining;

                if (!$remaining) {
                    $i++;
                    $remaining = static::BASE;
                    $overflow = 0;
                }
            } elseif (++$i != $len) {
                $tempmask = (1 << $overflow) - 1;
                $digit |= ($val[$i] & $tempmask) << $remaining;
                $val[$i] >>= $overflow;
                $remaining = static::BASE - $overflow;
                $overflow = $split <= $remaining ? 0 : $split - $remaining;
            }

            $vals[] = $digit;
        }

        while ($vals[count($vals) - 1] == 0) {
            unset($vals[count($vals) - 1]);
        }

        return array_reverse($vals);
    }
}
PK     :‰U]¶A1Ë  Ë  R  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/GMP/DefaultEngine.phpnu „[µü¤        <?php

/**
 * GMP Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\GMP;

use phpseclib3\Math\BigInteger\Engines\GMP;

/**
 * GMP Modular Exponentiation Engine
 *
 * @package GMP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DefaultEngine extends GMP
{
    /**
     * Performs modular exponentiation.
     *
     * @param GMP $x
     * @param GMP $e
     * @param GMP $n
     * @return GMP
     */
    protected static function powModHelper(GMP $x, GMP $e, GMP $n)
    {
        $temp = new GMP();
        $temp->value = gmp_powm($x->value, $e->value, $n->value);

        return $x->normalize($temp);
    }
}
PK     <‰U]8ù¡‰$  $  F  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP64.phpnu „[µü¤        <?php

/**
 * Pure-PHP 64-bit BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

/**
 * Pure-PHP 64-bit Engine.
 *
 * Uses 64-bit integers if int size is 8 bits
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PHP64 extends PHP
{
    // Constants used by PHP.php
    const BASE = 31;
    const BASE_FULL = 0x80000000;
    const MAX_DIGIT = 0x7FFFFFFF;
    const MSB = 0x40000000;

    /**
     * MAX10 in greatest MAX10LEN satisfying
     * MAX10 = 10**MAX10LEN <= 2**BASE.
     */
    const MAX10 = 1000000000;

    /**
     * MAX10LEN in greatest MAX10LEN satisfying
     * MAX10 = 10**MAX10LEN <= 2**BASE.
     */
    const MAX10LEN = 9;
    const MAX_DIGIT2 = 4611686018427387904;

    /**
     * Initialize a PHP64 BigInteger Engine instance
     *
     * @param int $base
     * @see parent::initialize()
     */
    protected function initialize($base)
    {
        if ($base != 256 && $base != -256) {
            return parent::initialize($base);
        }

        $val = $this->value;
        $this->value = [];
        $vals = &$this->value;
        $i = strlen($val);
        if (!$i) {
            return;
        }

        while (true) {
            $i -= 4;
            if ($i < 0) {
                if ($i == -4) {
                    break;
                }
                $val = substr($val, 0, 4 + $i);
                $val = str_pad($val, 4, "\0", STR_PAD_LEFT);
                if ($val == "\0\0\0\0") {
                    break;
                }
                $i = 0;
            }
            list(, $digit) = unpack('N', substr($val, $i, 4));
            $step = count($vals) & 7;
            if (!$step) {
                $digit &= static::MAX_DIGIT;
                $i++;
            } else {
                $shift = 8 - $step;
                $digit >>= $shift;
                $shift = 32 - $shift;
                $digit &= (1 << $shift) - 1;
                $temp = $i > 0 ? ord($val[$i - 1]) : 0;
                $digit |= ($temp << $shift) & 0x7F000000;
            }
            $vals[] = $digit;
        }
        while (end($vals) === 0) {
            array_pop($vals);
        }
        reset($vals);
    }

    /**
     * Test for engine validity
     *
     * @see parent::__construct()
     * @return bool
     */
    public static function isValidEngine()
    {
        return PHP_INT_SIZE >= 8;
    }

    /**
     * Adds two BigIntegers.
     *
     * @param PHP64 $y
     * @return PHP64
     */
    public function add(PHP64 $y)
    {
        $temp = self::addHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Subtracts two BigIntegers.
     *
     * @param PHP64 $y
     * @return PHP64
     */
    public function subtract(PHP64 $y)
    {
        $temp = self::subtractHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Multiplies two BigIntegers.
     *
     * @param PHP64 $y
     * @return PHP64
     */
    public function multiply(PHP64 $y)
    {
        $temp = self::multiplyHelper($this->value, $this->is_negative, $y->value, $y->is_negative);

        return $this->convertToObj($temp);
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * @param PHP64 $y
     * @return array{PHP64, PHP64}
     */
    public function divide(PHP64 $y)
    {
        return $this->divideHelper($y);
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     * @param PHP64 $n
     * @return false|PHP64
     */
    public function modInverse(PHP64 $n)
    {
        return $this->modInverseHelper($n);
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     * @param PHP64 $n
     * @return PHP64[]
     */
    public function extendedGCD(PHP64 $n)
    {
        return $this->extendedGCDHelper($n);
    }

    /**
     * Calculates the greatest common divisor
     *
     * Say you have 693 and 609.  The GCD is 21.
     *
     * @param PHP64 $n
     * @return PHP64
     */
    public function gcd(PHP64 $n)
    {
        return $this->extendedGCD($n)['gcd'];
    }

    /**
     * Logical And
     *
     * @param PHP64 $x
     * @return PHP64
     */
    public function bitwise_and(PHP64 $x)
    {
        return $this->bitwiseAndHelper($x);
    }

    /**
     * Logical Or
     *
     * @param PHP64 $x
     * @return PHP64
     */
    public function bitwise_or(PHP64 $x)
    {
        return $this->bitwiseOrHelper($x);
    }

    /**
     * Logical Exclusive Or
     *
     * @param PHP64 $x
     * @return PHP64
     */
    public function bitwise_xor(PHP64 $x)
    {
        return $this->bitwiseXorHelper($x);
    }

    /**
     * Compares two numbers.
     *
     * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite.  The reason for this is
     * demonstrated thusly:
     *
     * $x  > $y: $x->compare($y)  > 0
     * $x  < $y: $x->compare($y)  < 0
     * $x == $y: $x->compare($y) == 0
     *
     * Note how the same comparison operator is used.  If you want to test for equality, use $x->equals($y).
     *
     * {@internal Could return $this->subtract($x), but that's not as fast as what we do do.}
     *
     * @param PHP64 $y
     * @return int in case < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
     * @access public
     * @see self::equals()
     */
    public function compare(PHP64 $y)
    {
        return parent::compareHelper($this->value, $this->is_negative, $y->value, $y->is_negative);
    }

    /**
     * Tests the equality of two numbers.
     *
     * If you need to see if one number is greater than or less than another number, use BigInteger::compare()
     *
     * @param PHP64 $x
     * @return bool
     */
    public function equals(PHP64 $x)
    {
        return $this->value === $x->value && $this->is_negative == $x->is_negative;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param PHP64 $e
     * @param PHP64 $n
     * @return PHP64
     */
    public function modPow(PHP64 $e, PHP64 $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Performs modular exponentiation.
     *
     * Alias for modPow().
     *
     * @param PHP64 $e
     * @param PHP64 $n
     * @return PHP64|false
     */
    public function powMod(PHP64 $e, PHP64 $n)
    {
        return $this->powModOuter($e, $n);
    }

    /**
     * Generate a random prime number between a range
     *
     * If there's not a prime within the given range, false will be returned.
     *
     * @param PHP64 $min
     * @param PHP64 $max
     * @return false|PHP64
     */
    public static function randomRangePrime(PHP64 $min, PHP64 $max)
    {
        return self::randomRangePrimeOuter($min, $max);
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param PHP64 $min
     * @param PHP64 $max
     * @return PHP64
     */
    public static function randomRange(PHP64 $min, PHP64 $max)
    {
        return self::randomRangeHelper($min, $max);
    }

    /**
     * Performs exponentiation.
     *
     * @param PHP64 $n
     * @return PHP64
     */
    public function pow(PHP64 $n)
    {
        return $this->powHelper($n);
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param PHP64 ...$nums
     * @return PHP64
     */
    public static function min(PHP64 ...$nums)
    {
        return self::minHelper($nums);
    }

    /**
     * Return the maximum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param PHP64 ...$nums
     * @return PHP64
     */
    public static function max(PHP64 ...$nums)
    {
        return self::maxHelper($nums);
    }

    /**
     * Tests BigInteger to see if it is between two integers, inclusive
     *
     * @param PHP64 $min
     * @param PHP64 $max
     * @return bool
     */
    public function between(PHP64 $min, PHP64 $max)
    {
        return $this->compare($min) >= 0 && $this->compare($max) <= 0;
    }
}
PK     @‰U]x-æƒ  ƒ  L  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/OpenSSL.phpnu „[µü¤        <?php

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP;

use phpseclib3\Math\BigInteger\Engines\OpenSSL as Progenitor;

/**
 * OpenSSL Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class OpenSSL extends Progenitor
{
}
PK     A‰U])/Ùo  o  I  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Base.phpnu „[µü¤        <?php

/**
 * PHP Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP;

use phpseclib3\Math\BigInteger\Engines\PHP;

/**
 * PHP Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Base extends PHP
{
    /**
     * Cache constants
     *
     * $cache[self::VARIABLE] tells us whether or not the cached data is still valid.
     *
     * @access private
     */
    const VARIABLE = 0;
    /**
     * $cache[self::DATA] contains the cached data.
     *
     * @access private
     */
    const DATA = 1;

    /**
     * Test for engine validity
     *
     * @return bool
     */
    public static function isValidEngine()
    {
        return static::class != __CLASS__;
    }

    /**
     * Performs modular exponentiation.
     *
     * The most naive approach to modular exponentiation has very unreasonable requirements, and
     * and although the approach involving repeated squaring does vastly better, it, too, is impractical
     * for our purposes.  The reason being that division - by far the most complicated and time-consuming
     * of the basic operations (eg. +,-,*,/) - occurs multiple times within it.
     *
     * Modular reductions resolve this issue.  Although an individual modular reduction takes more time
     * then an individual division, when performed in succession (with the same modulo), they're a lot faster.
     *
     * The two most commonly used modular reductions are Barrett and Montgomery reduction.  Montgomery reduction,
     * although faster, only works when the gcd of the modulo and of the base being used is 1.  In RSA, when the
     * base is a power of two, the modulo - a product of two primes - is always going to have a gcd of 1 (because
     * the product of two odd numbers is odd), but what about when RSA isn't used?
     *
     * In contrast, Barrett reduction has no such constraint.  As such, some bigint implementations perform a
     * Barrett reduction after every operation in the modpow function.  Others perform Barrett reductions when the
     * modulo is even and Montgomery reductions when the modulo is odd.  BigInteger.java's modPow method, however,
     * uses a trick involving the Chinese Remainder Theorem to factor the even modulo into two numbers - one odd and
     * the other, a power of two - and recombine them, later.  This is the method that this modPow function uses.
     * {@link http://islab.oregonstate.edu/papers/j34monex.pdf Montgomery Reduction with Even Modulus} elaborates.
     *
     * @param PHP $x
     * @param PHP $e
     * @param PHP $n
     * @param string $class
     * @return PHP
     */
    protected static function powModHelper(PHP $x, PHP $e, PHP $n, $class)
    {
        if (empty($e->value)) {
            $temp = new $class();
            $temp->value = [1];
            return $x->normalize($temp);
        }

        if ($e->value == [1]) {
            list(, $temp) = $x->divide($n);
            return $x->normalize($temp);
        }

        if ($e->value == [2]) {
            $temp = new $class();
            $temp->value = $class::square($x->value);
            list(, $temp) = $temp->divide($n);
            return $x->normalize($temp);
        }

        return $x->normalize(static::slidingWindow($x, $e, $n, $class));
    }

    /**
     * Modular reduction preparation
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @see self::slidingWindow()
     * @return array
     */
    protected static function prepareReduce(array $x, array $n, $class)
    {
        return static::reduce($x, $n, $class);
    }

    /**
     * Modular multiply
     *
     * @param array $x
     * @param array $y
     * @param array $n
     * @param string $class
     * @see self::slidingWindow()
     * @return array
     */
    protected static function multiplyReduce(array $x, array $y, array $n, $class)
    {
        $temp = $class::multiplyHelper($x, false, $y, false);
        return static::reduce($temp[self::VALUE], $n, $class);
    }

    /**
     * Modular square
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @see self::slidingWindow()
     * @return array
     */
    protected static function squareReduce(array $x, array $n, $class)
    {
        return static::reduce($class::square($x), $n, $class);
    }
}
PK     B‰U]@op®	  ®	  O  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.phpnu „[µü¤        <?php

/**
 * PHP Montgomery Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP;

use phpseclib3\Math\BigInteger\Engines\Engine;
use phpseclib3\Math\BigInteger\Engines\PHP;
use phpseclib3\Math\BigInteger\Engines\PHP\Reductions\PowerOfTwo;

/**
 * PHP Montgomery Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Montgomery extends Base
{
    /**
     * Test for engine validity
     *
     * @return bool
     */
    public static function isValidEngine()
    {
        return static::class != __CLASS__;
    }

    /**
     * Performs modular exponentiation.
     *
     * @template T of Engine
     * @param Engine $x
     * @param Engine $e
     * @param Engine $n
     * @param class-string<T> $class
     * @return T
     */
    protected static function slidingWindow(Engine $x, Engine $e, Engine $n, $class)
    {
        // is the modulo odd?
        if ($n->value[0] & 1) {
            return parent::slidingWindow($x, $e, $n, $class);
        }
        // if it's not, it's even

        // find the lowest set bit (eg. the max pow of 2 that divides $n)
        for ($i = 0; $i < count($n->value); ++$i) {
            if ($n->value[$i]) {
                $temp = decbin($n->value[$i]);
                $j = strlen($temp) - strrpos($temp, '1') - 1;
                $j += $class::BASE * $i;
                break;
            }
        }
        // at this point, 2^$j * $n/(2^$j) == $n

        $mod1 = clone $n;
        $mod1->rshift($j);
        $mod2 = new $class();
        $mod2->value = [1];
        $mod2->lshift($j);

        $part1 = $mod1->value != [1] ? parent::slidingWindow($x, $e, $mod1, $class) : new $class();
        $part2 = PowerOfTwo::slidingWindow($x, $e, $mod2, $class);

        $y1 = $mod2->modInverse($mod1);
        $y2 = $mod1->modInverse($mod2);

        $result = $part1->multiply($mod2);
        $result = $result->multiply($y1);

        $temp = $part2->multiply($mod1);
        $temp = $temp->multiply($y2);

        $result = $result->add($temp);
        list(, $result) = $result->divide($n);

        return $result;
    }
}
PK     B‰U]�J—  —  R  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/DefaultEngine.phpnu „[µü¤        <?php

/**
 * PHP Default Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP;

use phpseclib3\Math\BigInteger\Engines\PHP\Reductions\EvalBarrett;

/**
 * PHP Default Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class DefaultEngine extends EvalBarrett
{
}
PK     B‰U]n:�Ù<  Ù<  [  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/EvalBarrett.phpnu „[µü¤        <?php

/**
 * PHP Dynamic Barrett Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP;
use phpseclib3\Math\BigInteger\Engines\PHP\Base;

/**
 * PHP Dynamic Barrett Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class EvalBarrett extends Base
{
    /**
     * Custom Reduction Function
     *
     * @see self::generateCustomReduction
     */
    private static $custom_reduction;

    /**
     * Barrett Modular Reduction
     *
     * This calls a dynamically generated loop unrolled function that's specific to a given modulo.
     * Array lookups are avoided as are if statements testing for how many bits the host OS supports, etc.
     *
     * @param array $n
     * @param array $m
     * @param string $class
     * @return array
     */
    protected static function reduce(array $n, array $m, $class)
    {
        $inline = self::$custom_reduction;
        return $inline($n);
    }

    /**
     * Generate Custom Reduction
     *
     * @param PHP $m
     * @param string $class
     * @return callable
     */
    protected static function generateCustomReduction(PHP $m, $class)
    {
        $m_length = count($m->value);

        if ($m_length < 5) {
            $code = '
                $lhs = new ' . $class . '();
                $lhs->value = $x;
                $rhs = new ' . $class . '();
                $rhs->value = [' .
                implode(',', array_map('self::float2string', $m->value)) . '];
                list(, $temp) = $lhs->divide($rhs);
                return $temp->value;
            ';
            eval('$func = function ($x) { ' . $code . '};');
            self::$custom_reduction = $func;
            //self::$custom_reduction = \Closure::bind($func, $m, $class);
            return $func;
        }

        $lhs = new $class();
        $lhs_value = &$lhs->value;

        $lhs_value = self::array_repeat(0, $m_length + ($m_length >> 1));
        $lhs_value[] = 1;
        $rhs = new $class();

        list($u, $m1) = $lhs->divide($m);

        if ($class::BASE != 26) {
            $u = $u->value;
        } else {
            $lhs_value = self::array_repeat(0, 2 * $m_length);
            $lhs_value[] = 1;
            $rhs = new $class();

            list($u) = $lhs->divide($m);
            $u = $u->value;
        }

        $m = $m->value;
        $m1 = $m1->value;

        $cutoff = count($m) + (count($m) >> 1);

        $code = '
            if (count($n) > ' . (2 * count($m)) . ') {
                $lhs = new ' . $class . '();
                $rhs = new ' . $class . '();
                $lhs->value = $n;
                $rhs->value = [' .
                implode(',', array_map('self::float2string', $m)) . '];
                list(, $temp) = $lhs->divide($rhs);
                return $temp->value;
            }

            $lsd = array_slice($n, 0, ' . $cutoff . ');
            $msd = array_slice($n, ' . $cutoff . ');';

        $code .= self::generateInlineTrim('msd');
        $code .= self::generateInlineMultiply('msd', $m1, 'temp', $class);
        $code .= self::generateInlineAdd('lsd', 'temp', 'n', $class);

        $code .= '$temp = array_slice($n, ' . (count($m) - 1) . ');';
        $code .= self::generateInlineMultiply('temp', $u, 'temp2', $class);
        $code .= self::generateInlineTrim('temp2');

        $code .= $class::BASE == 26 ?
            '$temp = array_slice($temp2, ' . (count($m) + 1) . ');' :
            '$temp = array_slice($temp2, ' . ((count($m) >> 1) + 1) . ');';
        $code .= self::generateInlineMultiply('temp', $m, 'temp2', $class);
        $code .= self::generateInlineTrim('temp2');

        /*
        if ($class::BASE == 26) {
            $code.= '$n = array_slice($n, 0, ' . (count($m) + 1) . ');
                     $temp2 = array_slice($temp2, 0, ' . (count($m) + 1) . ');';
        }
        */

        $code .= self::generateInlineSubtract2('n', 'temp2', 'temp', $class);

        $subcode = self::generateInlineSubtract1('temp', $m, 'temp2', $class);
        $subcode .= '$temp = $temp2;';

        $code .= self::generateInlineCompare($m, 'temp', $subcode);

        $code .= 'return $temp;';

        eval('$func = function ($n) { ' . $code . '};');

        self::$custom_reduction = $func;

        return $func;

        //self::$custom_reduction = \Closure::bind($func, $m, $class);
    }

    /**
     * Inline Trim
     *
     * Removes leading zeros
     *
     * @param string $name
     * @return string
     */
    private static function generateInlineTrim($name)
    {
        return '
            for ($i = count($' . $name . ') - 1; $i >= 0; --$i) {
                if ($' . $name . '[$i]) {
                    break;
                }
                unset($' . $name . '[$i]);
            }';
    }

    /**
     * Inline Multiply (unknown, known)
     *
     * @param string $input
     * @param array $arr
     * @param string $output
     * @param string $class
     * @return string
     */
    private static function generateInlineMultiply($input, array $arr, $output, $class)
    {
        if (!count($arr)) {
            return 'return [];';
        }

        $regular = '
            $length = count($' . $input . ');
            if (!$length) {
                $' . $output . ' = [];
            }else{
            $' . $output . ' = array_fill(0, $length + ' . count($arr) . ', 0);
            $carry = 0;';

        for ($i = 0; $i < count($arr); $i++) {
            $regular .= '
                $subtemp = $' . $input . '[0] * ' . $arr[$i];
            $regular .= $i ? ' + $carry;' : ';';

            $regular .= '$carry = ';
            $regular .= $class::BASE === 26 ?
            'intval($subtemp / 0x4000000);' :
            '$subtemp >> 31;';
            $regular .=
            '$' . $output . '[' . $i . '] = ';
            if ($class::BASE === 26) {
                $regular .= '(int) (';
            }
            $regular .= '$subtemp - ' . $class::BASE_FULL . ' * $carry';
            $regular .= $class::BASE === 26 ? ');' : ';';
        }

        $regular .= '$' . $output . '[' . count($arr) . '] = $carry;';

        $regular .= '
            for ($i = 1; $i < $length; ++$i) {';

        for ($j = 0; $j < count($arr); $j++) {
            $regular .= $j ? '$k++;' : '$k = $i;';
            $regular .= '
                $subtemp = $' . $output . '[$k] + $' . $input . '[$i] * ' . $arr[$j];
            $regular .= $j ? ' + $carry;' : ';';

            $regular .= '$carry = ';
            $regular .= $class::BASE === 26 ?
                'intval($subtemp / 0x4000000);' :
                '$subtemp >> 31;';
            $regular .=
                '$' . $output . '[$k] = ';
            if ($class::BASE === 26) {
                $regular .= '(int) (';
            }
            $regular .= '$subtemp - ' . $class::BASE_FULL . ' * $carry';
            $regular .= $class::BASE === 26 ? ');' : ';';
        }

        $regular .= '$' . $output . '[++$k] = $carry; $carry = 0;';

        $regular .= '}}';

        //if (count($arr) < 2 * self::KARATSUBA_CUTOFF) {
        //}

        return $regular;
    }

    /**
     * Inline Addition
     *
     * @param string $x
     * @param string $y
     * @param string $result
     * @param string $class
     * @return string
     */
    private static function generateInlineAdd($x, $y, $result, $class)
    {
        $code = '
            $length = max(count($' . $x . '), count($' . $y . '));
            $' . $result . ' = array_pad($' . $x . ', $length + 1, 0);
            $_' . $y . ' = array_pad($' . $y . ', $length, 0);
            $carry = 0;
            for ($i = 0, $j = 1; $j < $length; $i+=2, $j+=2) {
                $sum = ($' . $result . '[$j] + $_' . $y . '[$j]) * ' . $class::BASE_FULL . '
                           + $' . $result . '[$i] + $_' . $y . '[$i] +
                           $carry;
                $carry = $sum >= ' . self::float2string($class::MAX_DIGIT2) . ';
                $sum = $carry ? $sum - ' . self::float2string($class::MAX_DIGIT2) . ' : $sum;';

            $code .= $class::BASE === 26 ?
                '$upper = intval($sum / 0x4000000); $' . $result . '[$i] = (int) ($sum - ' . $class::BASE_FULL . ' * $upper);' :
                '$upper = $sum >> 31; $' . $result . '[$i] = $sum - ' . $class::BASE_FULL . ' * $upper;';
            $code .= '
                $' . $result . '[$j] = $upper;
            }
            if ($j == $length) {
                $sum = $' . $result . '[$i] + $_' . $y . '[$i] + $carry;
                $carry = $sum >= ' . self::float2string($class::BASE_FULL) . ';
                $' . $result . '[$i] = $carry ? $sum - ' . self::float2string($class::BASE_FULL) . ' : $sum;
                ++$i;
            }
            if ($carry) {
                for (; $' . $result . '[$i] == ' . $class::MAX_DIGIT . '; ++$i) {
                    $' . $result . '[$i] = 0;
                }
                ++$' . $result . '[$i];
            }';
            $code .= self::generateInlineTrim($result);

            return $code;
    }

    /**
     * Inline Subtraction 2
     *
     * For when $known is more digits than $unknown. This is the harder use case to optimize for.
     *
     * @param string $known
     * @param string $unknown
     * @param string $result
     * @param string $class
     * @return string
     */
    private static function generateInlineSubtract2($known, $unknown, $result, $class)
    {
        $code = '
            $' . $result . ' = $' . $known . ';
            $carry = 0;
            $size = count($' . $unknown . ');
            for ($i = 0, $j = 1; $j < $size; $i+= 2, $j+= 2) {
                $sum = ($' . $known . '[$j] - $' . $unknown . '[$j]) * ' . $class::BASE_FULL . ' + $' . $known . '[$i]
                    - $' . $unknown . '[$i]
                    - $carry;
                $carry = $sum < 0;
                if ($carry) {
                    $sum+= ' . self::float2string($class::MAX_DIGIT2) . ';
                }
                $subtemp = ';
        $code .= $class::BASE === 26 ?
            'intval($sum / 0x4000000);' :
            '$sum >> 31;';
        $code .= '$' . $result . '[$i] = ';
        if ($class::BASE === 26) {
            $code .= '(int) (';
        }
        $code .= '$sum - ' . $class::BASE_FULL . ' * $subtemp';
        if ($class::BASE === 26) {
            $code .= ')';
        }
        $code .= ';
                $' . $result . '[$j] = $subtemp;
            }
            if ($j == $size) {
                $sum = $' . $known . '[$i] - $' . $unknown . '[$i] - $carry;
                $carry = $sum < 0;
                $' . $result . '[$i] = $carry ? $sum + ' . $class::BASE_FULL . ' : $sum;
                ++$i;
            }

            if ($carry) {
                for (; !$' . $result . '[$i]; ++$i) {
                    $' . $result . '[$i] = ' . $class::MAX_DIGIT . ';
                }
                --$' . $result . '[$i];
            }';

        $code .= self::generateInlineTrim($result);

        return $code;
    }

    /**
     * Inline Subtraction 1
     *
     * For when $unknown is more digits than $known. This is the easier use case to optimize for.
     *
     * @param string $unknown
     * @param array $known
     * @param string $result
     * @param string $class
     * @return string
     */
    private static function generateInlineSubtract1($unknown, array $known, $result, $class)
    {
        $code = '$' . $result . ' = $' . $unknown . ';';
        for ($i = 0, $j = 1; $j < count($known); $i += 2, $j += 2) {
            $code .= '$sum = $' . $unknown . '[' . $j . '] * ' . $class::BASE_FULL . ' + $' . $unknown . '[' . $i . '] - ';
            $code .= self::float2string($known[$j] * $class::BASE_FULL + $known[$i]);
            if ($i != 0) {
                $code .= ' - $carry';
            }

            $code .= ';
                if ($carry = $sum < 0) {
                    $sum+= ' . self::float2string($class::MAX_DIGIT2) . ';
                }
                $subtemp = ';
            $code .= $class::BASE === 26 ?
                'intval($sum / 0x4000000);' :
                '$sum >> 31;';
            $code .= '
                $' . $result . '[' . $i . '] = ';
            if ($class::BASE === 26) {
                $code .= ' (int) (';
            }
            $code .= '$sum - ' . $class::BASE_FULL . ' * $subtemp';
            if ($class::BASE === 26) {
                $code .= ')';
            }
            $code .= ';
                $' . $result . '[' . $j . '] = $subtemp;';
        }

        $code .= '$i = ' . $i . ';';

        if ($j == count($known)) {
            $code .= '
                $sum = $' . $unknown . '[' . $i . '] - ' . $known[$i] . ' - $carry;
                $carry = $sum < 0;
                $' . $result . '[' . $i . '] = $carry ? $sum + ' . $class::BASE_FULL . ' : $sum;
                ++$i;';
        }

        $code .= '
            if ($carry) {
                for (; !$' . $result . '[$i]; ++$i) {
                    $' . $result . '[$i] = ' . $class::MAX_DIGIT . ';
                }
                --$' . $result . '[$i];
            }';
        $code .= self::generateInlineTrim($result);

        return $code;
    }

    /**
     * Inline Comparison
     *
     * If $unknown >= $known then loop
     *
     * @param array $known
     * @param string $unknown
     * @param string $subcode
     * @return string
     */
    private static function generateInlineCompare(array $known, $unknown, $subcode)
    {
        $uniqid = uniqid();
        $code = 'loop_' . $uniqid . ':
            $clength = count($' . $unknown . ');
            switch (true) {
                case $clength < ' . count($known) . ':
                    goto end_' . $uniqid . ';
                case $clength > ' . count($known) . ':';
        for ($i = count($known) - 1; $i >= 0; $i--) {
            $code .= '
                case $' . $unknown . '[' . $i . '] > ' . $known[$i] . ':
                    goto subcode_' . $uniqid . ';
                case $' . $unknown . '[' . $i . '] < ' . $known[$i] . ':
                    goto end_' . $uniqid . ';';
        }
        $code .= '
                default:
                    // do subcode
            }

            subcode_' . $uniqid . ':' . $subcode . '
            goto loop_' . $uniqid . ';

            end_' . $uniqid . ':';

        return $code;
    }

    /**
     * Convert a float to a string
     *
     * If you do echo floatval(pow(2, 52)) you'll get 4.6116860184274E+18. It /can/ be displayed without a loss of
     * precision but displayed in this way there will be precision loss, hence the need for this method.
     *
     * @param int|float $num
     * @return string
     */
    private static function float2string($num)
    {
        if (!is_float($num)) {
            return (string) $num;
        }

        if ($num < 0) {
            return '-' . self::float2string(abs($num));
        }

        $temp = '';
        while ($num) {
            $temp = fmod($num, 10) . $temp;
            $num = floor($num / 10);
        }

        return $temp;
    }
}
PK     B‰U]�ÛÀ—    W  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Classic.phpnu „[µü¤        <?php

/**
 * PHP Classic Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP\Base;

/**
 * PHP Classic Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Classic extends Base
{
    /**
     * Regular Division
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    protected static function reduce(array $x, array $n, $class)
    {
        $lhs = new $class();
        $lhs->value = $x;
        $rhs = new $class();
        $rhs->value = $n;
        list(, $temp) = $lhs->divide($rhs);
        return $temp->value;
    }
}
PK     B‰U]ÂWÙÕ  Õ  ^  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/MontgomeryMult.phpnu „[µü¤        <?php

/**
 * PHP Montgomery Modular Exponentiation Engine with interleaved multiplication
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP;

/**
 * PHP Montgomery Modular Exponentiation Engine with interleaved multiplication
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class MontgomeryMult extends Montgomery
{
    /**
     * Montgomery Multiply
     *
     * Interleaves the montgomery reduction and long multiplication algorithms together as described in
     * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36}
     *
     * @see self::_prepMontgomery()
     * @see self::_montgomery()
     * @access private
     * @param array $x
     * @param array $y
     * @param array $m
     * @param class-string<PHP> $class
     * @return array
     */
    public static function multiplyReduce(array $x, array $y, array $m, $class)
    {
        // the following code, although not callable, can be run independently of the above code
        // although the above code performed better in my benchmarks the following could might
        // perform better under different circumstances. in lieu of deleting it it's just been
        // made uncallable

        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        if (($key = array_search($m, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $m;
            $cache[self::DATA][] = self::modInverse67108864($m, $class);
        }

        $n = max(count($x), count($y), count($m));
        $x = array_pad($x, $n, 0);
        $y = array_pad($y, $n, 0);
        $m = array_pad($m, $n, 0);
        $a = [self::VALUE => self::array_repeat(0, $n + 1)];
        for ($i = 0; $i < $n; ++$i) {
            $temp = $a[self::VALUE][0] + $x[$i] * $y[0];
            $temp = $temp - $class::BASE_FULL * ($class::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
            $temp = $temp * $cache[self::DATA][$key];
            $temp = $temp - $class::BASE_FULL * ($class::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
            $temp = $class::addHelper($class::regularMultiply([$x[$i]], $y), false, $class::regularMultiply([$temp], $m), false);
            $a = $class::addHelper($a[self::VALUE], false, $temp[self::VALUE], false);
            $a[self::VALUE] = array_slice($a[self::VALUE], 1);
        }
        if (self::compareHelper($a[self::VALUE], false, $m, false) >= 0) {
            $a = $class::subtractHelper($a[self::VALUE], false, $m, false);
        }
        return $a[self::VALUE];
    }
}
PK     B‰U]D½€ ,  ,  W  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Barrett.phpnu „[µü¤        <?php

/**
 * PHP Barrett Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP;
use phpseclib3\Math\BigInteger\Engines\PHP\Base;

/**
 * PHP Barrett Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Barrett extends Base
{
    /**
     * Barrett Modular Reduction
     *
     * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=14 HAC 14.3.3} /
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=165 MPM 6.2.5} for more information.  Modified slightly,
     * so as not to require negative numbers (initially, this script didn't support negative numbers).
     *
     * Employs "folding", as described at
     * {@link http://www.cosic.esat.kuleuven.be/publications/thesis-149.pdf#page=66 thesis-149.pdf#page=66}.  To quote from
     * it, "the idea [behind folding] is to find a value x' such that x (mod m) = x' (mod m), with x' being smaller than x."
     *
     * Unfortunately, the "Barrett Reduction with Folding" algorithm described in thesis-149.pdf is not, as written, all that
     * usable on account of (1) its not using reasonable radix points as discussed in
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=162 MPM 6.2.2} and (2) the fact that, even with reasonable
     * radix points, it only works when there are an even number of digits in the denominator.  The reason for (2) is that
     * (x >> 1) + (x >> 1) != x / 2 + x / 2.  If x is even, they're the same, but if x is odd, they're not.  See the in-line
     * comments for details.
     *
     * @param array $n
     * @param array $m
     * @param class-string<PHP> $class
     * @return array
     */
    protected static function reduce(array $n, array $m, $class)
    {
        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        $m_length = count($m);

        // if (self::compareHelper($n, $static::square($m)) >= 0) {
        if (count($n) > 2 * $m_length) {
            $lhs = new $class();
            $rhs = new $class();
            $lhs->value = $n;
            $rhs->value = $m;
            list(, $temp) = $lhs->divide($rhs);
            return $temp->value;
        }

        // if (m.length >> 1) + 2 <= m.length then m is too small and n can't be reduced
        if ($m_length < 5) {
            return self::regularBarrett($n, $m, $class);
        }
        // n = 2 * m.length

        if (($key = array_search($m, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $m;

            $lhs = new $class();
            $lhs_value = &$lhs->value;
            $lhs_value = self::array_repeat(0, $m_length + ($m_length >> 1));
            $lhs_value[] = 1;
            $rhs = new $class();
            $rhs->value = $m;

            list($u, $m1) = $lhs->divide($rhs);
            $u = $u->value;
            $m1 = $m1->value;

            $cache[self::DATA][] = [
                'u' => $u, // m.length >> 1 (technically (m.length >> 1) + 1)
                'm1' => $m1 // m.length
            ];
        } else {
            extract($cache[self::DATA][$key]);
        }

        $cutoff = $m_length + ($m_length >> 1);
        $lsd = array_slice($n, 0, $cutoff); // m.length + (m.length >> 1)
        $msd = array_slice($n, $cutoff);    // m.length >> 1

        $lsd = self::trim($lsd);
        $temp = $class::multiplyHelper($msd, false, $m1, false); // m.length + (m.length >> 1)
        $n = $class::addHelper($lsd, false, $temp[self::VALUE], false); // m.length + (m.length >> 1) + 1 (so basically we're adding two same length numbers)
        //if ($m_length & 1) {
        //    return self::regularBarrett($n[self::VALUE], $m, $class);
        //}

        // (m.length + (m.length >> 1) + 1) - (m.length - 1) == (m.length >> 1) + 2
        $temp = array_slice($n[self::VALUE], $m_length - 1);
        // if even: ((m.length >> 1) + 2) + (m.length >> 1) == m.length + 2
        // if odd:  ((m.length >> 1) + 2) + (m.length >> 1) == (m.length - 1) + 2 == m.length + 1
        $temp = $class::multiplyHelper($temp, false, $u, false);
        // if even: (m.length + 2) - ((m.length >> 1) + 1) = m.length - (m.length >> 1) + 1
        // if odd:  (m.length + 1) - ((m.length >> 1) + 1) = m.length - (m.length >> 1)
        $temp = array_slice($temp[self::VALUE], ($m_length >> 1) + 1);
        // if even: (m.length - (m.length >> 1) + 1) + m.length = 2 * m.length - (m.length >> 1) + 1
        // if odd:  (m.length - (m.length >> 1)) + m.length     = 2 * m.length - (m.length >> 1)
        $temp = $class::multiplyHelper($temp, false, $m, false);

        // at this point, if m had an odd number of digits, we'd be subtracting a 2 * m.length - (m.length >> 1) digit
        // number from a m.length + (m.length >> 1) + 1 digit number.  ie. there'd be an extra digit and the while loop
        // following this comment would loop a lot (hence our calling _regularBarrett() in that situation).

        $result = $class::subtractHelper($n[self::VALUE], false, $temp[self::VALUE], false);

        while (self::compareHelper($result[self::VALUE], $result[self::SIGN], $m, false) >= 0) {
            $result = $class::subtractHelper($result[self::VALUE], $result[self::SIGN], $m, false);
        }

        return $result[self::VALUE];
    }

    /**
     * (Regular) Barrett Modular Reduction
     *
     * For numbers with more than four digits BigInteger::_barrett() is faster.  The difference between that and this
     * is that this function does not fold the denominator into a smaller form.
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    private static function regularBarrett(array $x, array $n, $class)
    {
        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        $n_length = count($n);

        if (count($x) > 2 * $n_length) {
            $lhs = new $class();
            $rhs = new $class();
            $lhs->value = $x;
            $rhs->value = $n;
            list(, $temp) = $lhs->divide($rhs);
            return $temp->value;
        }

        if (($key = array_search($n, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $n;
            $lhs = new $class();
            $lhs_value = &$lhs->value;
            $lhs_value = self::array_repeat(0, 2 * $n_length);
            $lhs_value[] = 1;
            $rhs = new $class();
            $rhs->value = $n;
            list($temp, ) = $lhs->divide($rhs); // m.length
            $cache[self::DATA][] = $temp->value;
        }

        // 2 * m.length - (m.length - 1) = m.length + 1
        $temp = array_slice($x, $n_length - 1);
        // (m.length + 1) + m.length = 2 * m.length + 1
        $temp = $class::multiplyHelper($temp, false, $cache[self::DATA][$key], false);
        // (2 * m.length + 1) - (m.length - 1) = m.length + 2
        $temp = array_slice($temp[self::VALUE], $n_length + 1);

        // m.length + 1
        $result = array_slice($x, 0, $n_length + 1);
        // m.length + 1
        $temp = self::multiplyLower($temp, false, $n, false, $n_length + 1, $class);
        // $temp == array_slice($class::regularMultiply($temp, false, $n, false)->value, 0, $n_length + 1)

        if (self::compareHelper($result, false, $temp[self::VALUE], $temp[self::SIGN]) < 0) {
            $corrector_value = self::array_repeat(0, $n_length + 1);
            $corrector_value[count($corrector_value)] = 1;
            $result = $class::addHelper($result, false, $corrector_value, false);
            $result = $result[self::VALUE];
        }

        // at this point, we're subtracting a number with m.length + 1 digits from another number with m.length + 1 digits
        $result = $class::subtractHelper($result, false, $temp[self::VALUE], $temp[self::SIGN]);
        while (self::compareHelper($result[self::VALUE], $result[self::SIGN], $n, false) > 0) {
            $result = $class::subtractHelper($result[self::VALUE], $result[self::SIGN], $n, false);
        }

        return $result[self::VALUE];
    }

    /**
     * Performs long multiplication up to $stop digits
     *
     * If you're going to be doing array_slice($product->value, 0, $stop), some cycles can be saved.
     *
     * @see self::regularBarrett()
     * @param array $x_value
     * @param bool $x_negative
     * @param array $y_value
     * @param bool $y_negative
     * @param int $stop
     * @param string $class
     * @return array
     */
    private static function multiplyLower(array $x_value, $x_negative, array $y_value, $y_negative, $stop, $class)
    {
        $x_length = count($x_value);
        $y_length = count($y_value);

        if (!$x_length || !$y_length) { // a 0 is being multiplied
            return [
                self::VALUE => [],
                self::SIGN => false
            ];
        }

        if ($x_length < $y_length) {
            $temp = $x_value;
            $x_value = $y_value;
            $y_value = $temp;

            $x_length = count($x_value);
            $y_length = count($y_value);
        }

        $product_value = self::array_repeat(0, $x_length + $y_length);

        // the following for loop could be removed if the for loop following it
        // (the one with nested for loops) initially set $i to 0, but
        // doing so would also make the result in one set of unnecessary adds,
        // since on the outermost loops first pass, $product->value[$k] is going
        // to always be 0

        $carry = 0;

        for ($j = 0; $j < $x_length; ++$j) { // ie. $i = 0, $k = $i
            $temp = $x_value[$j] * $y_value[0] + $carry; // $product_value[$k] == 0
            $carry = $class::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
            $product_value[$j] = (int) ($temp - $class::BASE_FULL * $carry);
        }

        if ($j < $stop) {
            $product_value[$j] = $carry;
        }

        // the above for loop is what the previous comment was talking about.  the
        // following for loop is the "one with nested for loops"

        for ($i = 1; $i < $y_length; ++$i) {
            $carry = 0;

            for ($j = 0, $k = $i; $j < $x_length && $k < $stop; ++$j, ++$k) {
                $temp = $product_value[$k] + $x_value[$j] * $y_value[$i] + $carry;
                $carry = $class::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31);
                $product_value[$k] = (int) ($temp - $class::BASE_FULL * $carry);
            }

            if ($k < $stop) {
                $product_value[$k] = $carry;
            }
        }

        return [
            self::VALUE => self::trim($product_value),
            self::SIGN => $x_negative != $y_negative
        ];
    }
}
PK     B‰U]ö`ž†c  c  Z  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Montgomery.phpnu „[µü¤        <?php

/**
 * PHP Montgomery Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP\Montgomery as Progenitor;

/**
 * PHP Montgomery Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Montgomery extends Progenitor
{
    /**
     * Prepare a number for use in Montgomery Modular Reductions
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    protected static function prepareReduce(array $x, array $n, $class)
    {
        $lhs = new $class();
        $lhs->value = array_merge(self::array_repeat(0, count($n)), $x);
        $rhs = new $class();
        $rhs->value = $n;

        list(, $temp) = $lhs->divide($rhs);
        return $temp->value;
    }

    /**
     * Montgomery Multiply
     *
     * Interleaves the montgomery reduction and long multiplication algorithms together as described in
     * {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=13 HAC 14.36}
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    protected static function reduce(array $x, array $n, $class)
    {
        static $cache = [
            self::VARIABLE => [],
            self::DATA => []
        ];

        if (($key = array_search($n, $cache[self::VARIABLE])) === false) {
            $key = count($cache[self::VARIABLE]);
            $cache[self::VARIABLE][] = $x;
            $cache[self::DATA][] = self::modInverse67108864($n, $class);
        }

        $k = count($n);

        $result = [self::VALUE => $x];

        for ($i = 0; $i < $k; ++$i) {
            $temp = $result[self::VALUE][$i] * $cache[self::DATA][$key];
            $temp = $temp - $class::BASE_FULL * ($class::BASE === 26 ? intval($temp / 0x4000000) : ($temp >> 31));
            $temp = $class::regularMultiply([$temp], $n);
            $temp = array_merge(self::array_repeat(0, $i), $temp);
            $result = $class::addHelper($result[self::VALUE], false, $temp, false);
        }

        $result[self::VALUE] = array_slice($result[self::VALUE], $k);

        if (self::compareHelper($result, false, $n, false) >= 0) {
            $result = $class::subtractHelper($result[self::VALUE], false, $n, false);
        }

        return $result[self::VALUE];
    }

    /**
     * Modular Inverse of a number mod 2**26 (eg. 67108864)
     *
     * Based off of the bnpInvDigit function implemented and justified in the following URL:
     *
     * {@link http://www-cs-students.stanford.edu/~tjw/jsbn/jsbn.js}
     *
     * The following URL provides more info:
     *
     * {@link http://groups.google.com/group/sci.crypt/msg/7a137205c1be7d85}
     *
     * As for why we do all the bitmasking...  strange things can happen when converting from floats to ints. For
     * instance, on some computers, var_dump((int) -4294967297) yields int(-1) and on others, it yields
     * int(-2147483648).  To avoid problems stemming from this, we use bitmasks to guarantee that ints aren't
     * auto-converted to floats.  The outermost bitmask is present because without it, there's no guarantee that
     * the "residue" returned would be the so-called "common residue".  We use fmod, in the last step, because the
     * maximum possible $x is 26 bits and the maximum $result is 16 bits.  Thus, we have to be able to handle up to
     * 40 bits, which only 64-bit floating points will support.
     *
     * Thanks to Pedro Gimeno Fortea for input!
     *
     * @param array $x
     * @param string $class
     * @return int
     */
    protected static function modInverse67108864(array $x, $class) // 2**26 == 67,108,864
    {
        $x = -$x[0];
        $result = $x & 0x3; // x**-1 mod 2**2
        $result = ($result * (2 - $x * $result)) & 0xF; // x**-1 mod 2**4
        $result = ($result * (2 - ($x & 0xFF) * $result))  & 0xFF; // x**-1 mod 2**8
        $result = ($result * ((2 - ($x & 0xFFFF) * $result) & 0xFFFF)) & 0xFFFF; // x**-1 mod 2**16
        $result = $class::BASE == 26 ?
            fmod($result * (2 - fmod($x * $result, $class::BASE_FULL)), $class::BASE_FULL) : // x**-1 mod 2**26
            ($result * (2 - ($x * $result) % $class::BASE_FULL)) % $class::BASE_FULL;
        return $result & $class::MAX_DIGIT;
    }
}
PK     B‰U]Ur­à¯  ¯  Z  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/PowerOfTwo.phpnu „[µü¤        <?php

/**
 * PHP Power of Two Modular Exponentiation Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines\PHP\Reductions;

use phpseclib3\Math\BigInteger\Engines\PHP\Base;

/**
 * PHP Power Of Two Modular Exponentiation Engine
 *
 * @package PHP
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class PowerOfTwo extends Base
{
    /**
     * Prepare a number for use in Montgomery Modular Reductions
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    protected static function prepareReduce(array $x, array $n, $class)
    {
        return self::reduce($x, $n, $class);
    }

    /**
     * Power Of Two Reduction
     *
     * @param array $x
     * @param array $n
     * @param string $class
     * @return array
     */
    protected static function reduce(array $x, array $n, $class)
    {
        $lhs = new $class();
        $lhs->value = $x;
        $rhs = new $class();
        $rhs->value = $n;

        $temp = new $class();
        $temp->value = [1];

        $result = $lhs->bitwise_and($rhs->subtract($temp));
        return $result->value;
    }
}
PK     B‰U]¥ß!–  !–  G  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/Engine.phpnu „[µü¤        <?php

/**
 * Base BigInteger Engine
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math\BigInteger\Engines;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Random;
use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\Math\BigInteger;

/**
 * Base Engine.
 *
 * @package Engine
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Engine implements \JsonSerializable
{
    /* final protected */ const PRIMES = [
        3,   5,   7,   11,  13,  17,  19,  23,  29,  31,  37,  41,  43,  47,  53,  59,
        61,  67,  71,  73,  79,  83,  89,  97,  101, 103, 107, 109, 113, 127, 131, 137,
        139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227,
        229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313,
        317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
        421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509,
        521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617,
        619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727,
        733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829,
        839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947,
        953, 967, 971, 977, 983, 991, 997,
    ];

    /**
     * BigInteger(0)
     *
     * @var array<class-string<static>, static>
     */
    protected static $zero = [];

    /**
     * BigInteger(1)
     *
     * @var array<class-string<static>, static>
     */
    protected static $one  = [];

    /**
     * BigInteger(2)
     *
     * @var array<class-string<static>, static>
     */
    protected static $two = [];

    /**
     * Modular Exponentiation Engine
     *
     * @var array<class-string<static>, class-string<static>>
     */
    protected static $modexpEngine;

    /**
     * Engine Validity Flag
     *
     * @var array<class-string<static>, bool>
     */
    protected static $isValidEngine;

    /**
     * Holds the BigInteger's value
     *
     * @var \GMP|string|array|int
     */
    protected $value;

    /**
     * Holds the BigInteger's sign
     *
     * @var bool
     */
    protected $is_negative;

    /**
     * Precision
     *
     * @see static::setPrecision()
     * @var int
     */
    protected $precision = -1;

    /**
     * Precision Bitmask
     *
     * @see static::setPrecision()
     * @var static|false
     */
    protected $bitmask = false;

    /**
     * Recurring Modulo Function
     *
     * @var callable
     */
    protected $reduce;

    /**
     * Mode independent value used for serialization.
     *
     * @see self::__sleep()
     * @see self::__wakeup()
     * @var string
     */
    protected $hex;

    /**
     * Default constructor
     *
     * @param int|numeric-string $x integer Base-10 number or base-$base number if $base set.
     * @param int $base
     */
    public function __construct($x = 0, $base = 10)
    {
        if (!array_key_exists(static::class, static::$zero)) {
            static::$zero[static::class] = null; // Placeholder to prevent infinite loop.
            static::$zero[static::class] = new static(0);
            static::$one[static::class] = new static(1);
            static::$two[static::class] = new static(2);
        }

        // '0' counts as empty() but when the base is 256 '0' is equal to ord('0') or 48
        // '0' is the only value like this per http://php.net/empty
        if (empty($x) && (abs($base) != 256 || $x !== '0')) {
            return;
        }

        switch ($base) {
            case -256:
            case 256:
                if ($base == -256 && (ord($x[0]) & 0x80)) {
                    $this->value = ~$x;
                    $this->is_negative = true;
                } else {
                    $this->value = $x;
                    $this->is_negative = false;
                }

                $this->initialize($base);

                if ($this->is_negative) {
                    $temp = $this->add(new static('-1'));
                    $this->value = $temp->value;
                }
                break;
            case -16:
            case 16:
                if ($base > 0 && $x[0] == '-') {
                    $this->is_negative = true;
                    $x = substr($x, 1);
                }

                $x = preg_replace('#^(?:0x)?([A-Fa-f0-9]*).*#', '$1', $x);

                $is_negative = false;
                if ($base < 0 && hexdec($x[0]) >= 8) {
                    $this->is_negative = $is_negative = true;
                    $x = Hex::encode(~Hex::decode($x));
                }

                $this->value = $x;
                $this->initialize($base);

                if ($is_negative) {
                    $temp = $this->add(new static('-1'));
                    $this->value = $temp->value;
                }
                break;
            case -10:
            case 10:
                // (?<!^)(?:-).*: find any -'s that aren't at the beginning and then any characters that follow that
                // (?<=^|-)0*: find any 0's that are preceded by the start of the string or by a - (ie. octals)
                // [^-0-9].*: find any non-numeric characters and then any characters that follow that
                $this->value = preg_replace('#(?<!^)(?:-).*|(?<=^|-)0*|[^-0-9].*#', '', $x);
                if (!strlen($this->value) || $this->value == '-') {
                    $this->value = '0';
                }
                $this->initialize($base);
                break;
            case -2:
            case 2:
                if ($base > 0 && $x[0] == '-') {
                    $this->is_negative = true;
                    $x = substr($x, 1);
                }

                $x = preg_replace('#^([01]*).*#', '$1', $x);

                $temp = new static(Strings::bits2bin($x), 128 * $base); // ie. either -16 or +16
                $this->value = $temp->value;
                if ($temp->is_negative) {
                    $this->is_negative = true;
                }

                break;
            default:
                // base not supported, so we'll let $this == 0
        }
    }

    /**
     * Sets engine type.
     *
     * Throws an exception if the type is invalid
     *
     * @param class-string<Engine> $engine
     */
    public static function setModExpEngine($engine)
    {
        $fqengine = '\\phpseclib3\\Math\\BigInteger\\Engines\\' . static::ENGINE_DIR . '\\' . $engine;
        if (!class_exists($fqengine) || !method_exists($fqengine, 'isValidEngine')) {
            throw new \InvalidArgumentException("$engine is not a valid engine");
        }
        if (!$fqengine::isValidEngine()) {
            throw new BadConfigurationException("$engine is not setup correctly on this system");
        }
        static::$modexpEngine[static::class] = $fqengine;
    }

    /**
     * Converts a BigInteger to a byte string (eg. base-256).
     *
     * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
     * saved as two's compliment.
     * @return string
     */
    protected function toBytesHelper()
    {
        $comparison = $this->compare(new static());
        if ($comparison == 0) {
            return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
        }

        $temp = $comparison < 0 ? $this->add(new static(1)) : $this;
        $bytes = $temp->toBytes();

        if (!strlen($bytes)) { // eg. if the number we're trying to convert is -1
            $bytes = chr(0);
        }

        if (ord($bytes[0]) & 0x80) {
            $bytes = chr(0) . $bytes;
        }

        return $comparison < 0 ? ~$bytes : $bytes;
    }

    /**
     * Converts a BigInteger to a hex string (eg. base-16).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toHex($twos_compliment = false)
    {
        return Hex::encode($this->toBytes($twos_compliment));
    }

    /**
     * Converts a BigInteger to a bit string (eg. base-2).
     *
     * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
     * saved as two's compliment.
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBits($twos_compliment = false)
    {
        $hex = $this->toBytes($twos_compliment);
        $bits = Strings::bin2bits($hex);

        $result = $this->precision > 0 ? substr($bits, -$this->precision) : ltrim($bits, '0');

        if ($twos_compliment && $this->compare(new static()) > 0 && $this->precision <= 0) {
            return '0' . $result;
        }

        return $result;
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     *
     * {@internal See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=21 HAC 14.64} for more information.}
     *
     * @param Engine $n
     * @return static|false
     */
    protected function modInverseHelper(Engine $n)
    {
        // $x mod -$n == $x mod $n.
        $n = $n->abs();

        if ($this->compare(static::$zero[static::class]) < 0) {
            $temp = $this->abs();
            $temp = $temp->modInverse($n);
            return $this->normalize($n->subtract($temp));
        }

        extract($this->extendedGCD($n));
        /**
         * @var Engine $gcd
         * @var Engine $x
         */

        if (!$gcd->equals(static::$one[static::class])) {
            return false;
        }

        $x = $x->compare(static::$zero[static::class]) < 0 ? $x->add($n) : $x;

        return $this->compare(static::$zero[static::class]) < 0 ? $this->normalize($n->subtract($x)) : $this->normalize($x);
    }

    /**
     * Serialize
     *
     * Will be called, automatically, when serialize() is called on a BigInteger object.
     *
     * @return array
     */
    public function __sleep()
    {
        $this->hex = $this->toHex(true);
        $vars = ['hex'];
        if ($this->precision > 0) {
            $vars[] = 'precision';
        }
        return $vars;
    }

    /**
     * Serialize
     *
     * Will be called, automatically, when unserialize() is called on a BigInteger object.
     *
     * @return void
     */
    public function __wakeup()
    {
        $temp = new static($this->hex, -16);
        $this->value = $temp->value;
        $this->is_negative = $temp->is_negative;
        if ($this->precision > 0) {
            // recalculate $this->bitmask
            $this->setPrecision($this->precision);
        }
    }

    /**
     * JSON Serialize
     *
     * Will be called, automatically, when json_encode() is called on a BigInteger object.
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize()
    {
        $result = ['hex' => $this->toHex(true)];
        if ($this->precision > 0) {
            $result['precision'] = $this->precision;
        }
        return $result;
    }

    /**
     * Converts a BigInteger to a base-10 number.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->toString();
    }

    /**
     *  __debugInfo() magic method
     *
     * Will be called, automatically, when print_r() or var_dump() are called
     *
     * @return array
     */
    public function __debugInfo()
    {
        $result = [
            'value' => '0x' . $this->toHex(true),
            'engine' => basename(static::class)
        ];
        return $this->precision > 0 ? $result + ['precision' => $this->precision] : $result;
    }

    /**
     * Set Precision
     *
     * Some bitwise operations give different results depending on the precision being used.  Examples include left
     * shift, not, and rotates.
     *
     * @param int $bits
     */
    public function setPrecision($bits)
    {
        if ($bits < 1) {
            $this->precision = -1;
            $this->bitmask = false;

            return;
        }
        $this->precision = $bits;
        $this->bitmask = static::setBitmask($bits);

        $temp = $this->normalize($this);
        $this->value = $temp->value;
    }

    /**
     * Get Precision
     *
     * Returns the precision if it exists, -1 if it doesn't
     *
     * @return int
     */
    public function getPrecision()
    {
        return $this->precision;
    }

    /**
     * Set Bitmask
     * @return static
     * @param int $bits
     * @see self::setPrecision()
     */
    protected static function setBitmask($bits)
    {
        return new static(chr((1 << ($bits & 0x7)) - 1) . str_repeat(chr(0xFF), $bits >> 3), 256);
    }

    /**
     * Logical Not
     *
     * @return Engine|string
     */
    public function bitwise_not()
    {
        // calculuate "not" without regard to $this->precision
        // (will always result in a smaller number.  ie. ~1 isn't 1111 1110 - it's 0)
        $temp = $this->toBytes();
        if ($temp == '') {
            return $this->normalize(static::$zero[static::class]);
        }
        $pre_msb = decbin(ord($temp[0]));
        $temp = ~$temp;
        $msb = decbin(ord($temp[0]));
        if (strlen($msb) == 8) {
            $msb = substr($msb, strpos($msb, '0'));
        }
        $temp[0] = chr(bindec($msb));

        // see if we need to add extra leading 1's
        $current_bits = strlen($pre_msb) + 8 * strlen($temp) - 8;
        $new_bits = $this->precision - $current_bits;
        if ($new_bits <= 0) {
            return $this->normalize(new static($temp, 256));
        }

        // generate as many leading 1's as we need to.
        $leading_ones = chr((1 << ($new_bits & 0x7)) - 1) . str_repeat(chr(0xFF), $new_bits >> 3);

        self::base256_lshift($leading_ones, $current_bits);

        $temp = str_pad($temp, strlen($leading_ones), chr(0), STR_PAD_LEFT);

        return $this->normalize(new static($leading_ones | $temp, 256));
    }

    /**
     * Logical Left Shift
     *
     * Shifts binary strings $shift bits, essentially multiplying by 2**$shift.
     *
     * @param string $x
     * @param int $shift
     * @return void
     */
    protected static function base256_lshift(&$x, $shift)
    {
        if ($shift == 0) {
            return;
        }

        $num_bytes = $shift >> 3; // eg. floor($shift/8)
        $shift &= 7; // eg. $shift % 8

        $carry = 0;
        for ($i = strlen($x) - 1; $i >= 0; --$i) {
            $temp = ord($x[$i]) << $shift | $carry;
            $x[$i] = chr($temp);
            $carry = $temp >> 8;
        }
        $carry = ($carry != 0) ? chr($carry) : '';
        $x = $carry . $x . str_repeat(chr(0), $num_bytes);
    }

    /**
     * Logical Left Rotate
     *
     * Instead of the top x bits being dropped they're appended to the shifted bit string.
     *
     * @param int $shift
     * @return Engine
     */
    public function bitwise_leftRotate($shift)
    {
        $bits = $this->toBytes();

        if ($this->precision > 0) {
            $precision = $this->precision;
            if (static::FAST_BITWISE) {
                $mask = $this->bitmask->toBytes();
            } else {
                $mask = $this->bitmask->subtract(new static(1));
                $mask = $mask->toBytes();
            }
        } else {
            $temp = ord($bits[0]);
            for ($i = 0; $temp >> $i; ++$i) {
            }
            $precision = 8 * strlen($bits) - 8 + $i;
            $mask = chr((1 << ($precision & 0x7)) - 1) . str_repeat(chr(0xFF), $precision >> 3);
        }

        if ($shift < 0) {
            $shift += $precision;
        }
        $shift %= $precision;

        if (!$shift) {
            return clone $this;
        }

        $left = $this->bitwise_leftShift($shift);
        $left = $left->bitwise_and(new static($mask, 256));
        $right = $this->bitwise_rightShift($precision - $shift);
        $result = static::FAST_BITWISE ? $left->bitwise_or($right) : $left->add($right);
        return $this->normalize($result);
    }

    /**
     * Logical Right Rotate
     *
     * Instead of the bottom x bits being dropped they're prepended to the shifted bit string.
     *
     * @param int $shift
     * @return Engine
     */
    public function bitwise_rightRotate($shift)
    {
        return $this->bitwise_leftRotate(-$shift);
    }

    /**
     * Returns the smallest and largest n-bit number
     *
     * @param int $bits
     * @return array{min: static, max: static}
     */
    public static function minMaxBits($bits)
    {
        $bytes = $bits >> 3;
        $min = str_repeat(chr(0), $bytes);
        $max = str_repeat(chr(0xFF), $bytes);
        $msb = $bits & 7;
        if ($msb) {
            $min = chr(1 << ($msb - 1)) . $min;
            $max = chr((1 << $msb) - 1) . $max;
        } else {
            $min[0] = chr(0x80);
        }
        return [
            'min' => new static($min, 256),
            'max' => new static($max, 256)
        ];
    }

    /**
     * Return the size of a BigInteger in bits
     *
     * @return int
     */
    public function getLength()
    {
        return strlen($this->toBits());
    }

    /**
     * Return the size of a BigInteger in bytes
     *
     * @return int
     */
    public function getLengthInBytes()
    {
        return strlen($this->toBytes());
    }

    /**
     * Performs some pre-processing for powMod
     *
     * @param Engine $e
     * @param Engine $n
     * @return static|false
     */
    protected function powModOuter(Engine $e, Engine $n)
    {
        $n = $this->bitmask !== false && $this->bitmask->compare($n) < 0 ? $this->bitmask : $n->abs();

        if ($e->compare(new static()) < 0) {
            $e = $e->abs();

            $temp = $this->modInverse($n);
            if ($temp === false) {
                return false;
            }

            return $this->normalize($temp->powModInner($e, $n));
        }

        return $this->powModInner($e, $n);
    }

    /**
     * Sliding Window k-ary Modular Exponentiation
     *
     * Based on {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf#page=27 HAC 14.85} /
     * {@link http://math.libtomcrypt.com/files/tommath.pdf#page=210 MPM 7.7}.  In a departure from those algorithims,
     * however, this function performs a modular reduction after every multiplication and squaring operation.
     * As such, this function has the same preconditions that the reductions being used do.
     *
     * @template T of Engine
     * @param Engine $x
     * @param Engine $e
     * @param Engine $n
     * @param class-string<T> $class
     * @return T
     */
    protected static function slidingWindow(Engine $x, Engine $e, Engine $n, $class)
    {
        static $window_ranges = [7, 25, 81, 241, 673, 1793]; // from BigInteger.java's oddModPow function
        //static $window_ranges = [0, 7, 36, 140, 450, 1303, 3529]; // from MPM 7.3.1

        $e_bits = $e->toBits();
        $e_length = strlen($e_bits);

        // calculate the appropriate window size.
        // $window_size == 3 if $window_ranges is between 25 and 81, for example.
        for ($i = 0, $window_size = 1; $i < count($window_ranges) && $e_length > $window_ranges[$i]; ++$window_size, ++$i) {
        }

        $n_value = $n->value;

        if (method_exists(static::class, 'generateCustomReduction')) {
            static::generateCustomReduction($n, $class);
        }

        // precompute $this^0 through $this^$window_size
        $powers = [];
        $powers[1] = static::prepareReduce($x->value, $n_value, $class);
        $powers[2] = static::squareReduce($powers[1], $n_value, $class);

        // we do every other number since substr($e_bits, $i, $j+1) (see below) is supposed to end
        // in a 1.  ie. it's supposed to be odd.
        $temp = 1 << ($window_size - 1);
        for ($i = 1; $i < $temp; ++$i) {
            $i2 = $i << 1;
            $powers[$i2 + 1] = static::multiplyReduce($powers[$i2 - 1], $powers[2], $n_value, $class);
        }

        $result = new $class(1);
        $result = static::prepareReduce($result->value, $n_value, $class);

        for ($i = 0; $i < $e_length;) {
            if (!$e_bits[$i]) {
                $result = static::squareReduce($result, $n_value, $class);
                ++$i;
            } else {
                for ($j = $window_size - 1; $j > 0; --$j) {
                    if (!empty($e_bits[$i + $j])) {
                        break;
                    }
                }

                // eg. the length of substr($e_bits, $i, $j + 1)
                for ($k = 0; $k <= $j; ++$k) {
                    $result = static::squareReduce($result, $n_value, $class);
                }

                $result = static::multiplyReduce($result, $powers[bindec(substr($e_bits, $i, $j + 1))], $n_value, $class);

                $i += $j + 1;
            }
        }

        $temp = new $class();
        $temp->value = static::reduce($result, $n_value, $class);

        return $temp;
    }

    /**
     * Generates a random number of a certain size
     *
     * Bit length is equal to $size
     *
     * @param int $size
     * @return Engine
     */
    public static function random($size)
    {
        extract(static::minMaxBits($size));
        /**
         * @var BigInteger $min
         * @var BigInteger $max
         */
        return static::randomRange($min, $max);
    }

    /**
     * Generates a random prime number of a certain size
     *
     * Bit length is equal to $size
     *
     * @param int $size
     * @return Engine
     */
    public static function randomPrime($size)
    {
        extract(static::minMaxBits($size));
        /**
         * @var static $min
         * @var static $max
         */
        return static::randomRangePrime($min, $max);
    }

    /**
     * Performs some pre-processing for randomRangePrime
     *
     * @param Engine $min
     * @param Engine $max
     * @return static|false
     */
    protected static function randomRangePrimeOuter(Engine $min, Engine $max)
    {
        $compare = $max->compare($min);

        if (!$compare) {
            return $min->isPrime() ? $min : false;
        } elseif ($compare < 0) {
            // if $min is bigger then $max, swap $min and $max
            $temp = $max;
            $max = $min;
            $min = $temp;
        }

        $x = static::randomRange($min, $max);

        return static::randomRangePrimeInner($x, $min, $max);
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param Engine $min
     * @param Engine $max
     * @return Engine
     */
    protected static function randomRangeHelper(Engine $min, Engine $max)
    {
        $compare = $max->compare($min);

        if (!$compare) {
            return $min;
        } elseif ($compare < 0) {
            // if $min is bigger then $max, swap $min and $max
            $temp = $max;
            $max = $min;
            $min = $temp;
        }

        if (!isset(static::$one[static::class])) {
            static::$one[static::class] = new static(1);
        }

        $max = $max->subtract($min->subtract(static::$one[static::class]));

        $size = strlen(ltrim($max->toBytes(), chr(0)));

        /*
            doing $random % $max doesn't work because some numbers will be more likely to occur than others.
            eg. if $max is 140 and $random's max is 255 then that'd mean both $random = 5 and $random = 145
            would produce 5 whereas the only value of random that could produce 139 would be 139. ie.
            not all numbers would be equally likely. some would be more likely than others.

            creating a whole new random number until you find one that is within the range doesn't work
            because, for sufficiently small ranges, the likelihood that you'd get a number within that range
            would be pretty small. eg. with $random's max being 255 and if your $max being 1 the probability
            would be pretty high that $random would be greater than $max.

            phpseclib works around this using the technique described here:

            http://crypto.stackexchange.com/questions/5708/creating-a-small-number-from-a-cryptographically-secure-random-string
        */
        $random_max = new static(chr(1) . str_repeat("\0", $size), 256);
        $random = new static(Random::string($size), 256);

        list($max_multiple) = $random_max->divide($max);
        $max_multiple = $max_multiple->multiply($max);

        while ($random->compare($max_multiple) >= 0) {
            $random = $random->subtract($max_multiple);
            $random_max = $random_max->subtract($max_multiple);
            $random = $random->bitwise_leftShift(8);
            $random = $random->add(new static(Random::string(1), 256));
            $random_max = $random_max->bitwise_leftShift(8);
            list($max_multiple) = $random_max->divide($max);
            $max_multiple = $max_multiple->multiply($max);
        }
        list(, $random) = $random->divide($max);

        return $random->add($min);
    }

    /**
     * Performs some post-processing for randomRangePrime
     *
     * @param Engine $x
     * @param Engine $min
     * @param Engine $max
     * @return static|false
     */
    protected static function randomRangePrimeInner(Engine $x, Engine $min, Engine $max)
    {
        if (!isset(static::$two[static::class])) {
            static::$two[static::class] = new static('2');
        }

        $x->make_odd();
        if ($x->compare($max) > 0) {
            // if $x > $max then $max is even and if $min == $max then no prime number exists between the specified range
            if ($min->equals($max)) {
                return false;
            }
            $x = clone $min;
            $x->make_odd();
        }

        $initial_x = clone $x;

        while (true) {
            if ($x->isPrime()) {
                return $x;
            }

            $x = $x->add(static::$two[static::class]);

            if ($x->compare($max) > 0) {
                $x = clone $min;
                if ($x->equals(static::$two[static::class])) {
                    return $x;
                }
                $x->make_odd();
            }

            if ($x->equals($initial_x)) {
                return false;
            }
        }
    }

    /**
     * Sets the $t parameter for primality testing
     *
     * @return int
     */
    protected function setupIsPrime()
    {
        $length = $this->getLengthInBytes();

        // see HAC 4.49 "Note (controlling the error probability)"
        // @codingStandardsIgnoreStart
             if ($length >= 163) { $t =  2; } // floor(1300 / 8)
        else if ($length >= 106) { $t =  3; } // floor( 850 / 8)
        else if ($length >= 81 ) { $t =  4; } // floor( 650 / 8)
        else if ($length >= 68 ) { $t =  5; } // floor( 550 / 8)
        else if ($length >= 56 ) { $t =  6; } // floor( 450 / 8)
        else if ($length >= 50 ) { $t =  7; } // floor( 400 / 8)
        else if ($length >= 43 ) { $t =  8; } // floor( 350 / 8)
        else if ($length >= 37 ) { $t =  9; } // floor( 300 / 8)
        else if ($length >= 31 ) { $t = 12; } // floor( 250 / 8)
        else if ($length >= 25 ) { $t = 15; } // floor( 200 / 8)
        else if ($length >= 18 ) { $t = 18; } // floor( 150 / 8)
        else                     { $t = 27; }
        // @codingStandardsIgnoreEnd

        return $t;
    }

    /**
     * Tests Primality
     *
     * Uses the {@link http://en.wikipedia.org/wiki/Miller%E2%80%93Rabin_primality_test Miller-Rabin primality test}.
     * See {@link http://www.cacr.math.uwaterloo.ca/hac/about/chap4.pdf#page=8 HAC 4.24} for more info.
     *
     * @param int $t
     * @return bool
     */
    protected function testPrimality($t)
    {
        if (!$this->testSmallPrimes()) {
            return false;
        }

        $n   = clone $this;
        $n_1 = $n->subtract(static::$one[static::class]);
        $n_2 = $n->subtract(static::$two[static::class]);

        $r = clone $n_1;
        $s = static::scan1divide($r);

        for ($i = 0; $i < $t; ++$i) {
            $a = static::randomRange(static::$two[static::class], $n_2);
            $y = $a->modPow($r, $n);

            if (!$y->equals(static::$one[static::class]) && !$y->equals($n_1)) {
                for ($j = 1; $j < $s && !$y->equals($n_1); ++$j) {
                    $y = $y->modPow(static::$two[static::class], $n);
                    if ($y->equals(static::$one[static::class])) {
                        return false;
                    }
                }

                if (!$y->equals($n_1)) {
                    return false;
                }
            }
        }

        return true;
    }

    /**
     * Checks a numer to see if it's prime
     *
     * Assuming the $t parameter is not set, this function has an error rate of 2**-80.  The main motivation for the
     * $t parameter is distributability.  BigInteger::randomPrime() can be distributed across multiple pageloads
     * on a website instead of just one.
     *
     * @param int|bool $t
     * @return bool
     */
    public function isPrime($t = false)
    {
        if (!$t) {
            $t = $this->setupIsPrime();
        }
        return $this->testPrimality($t);
    }

    /**
     * Performs a few preliminary checks on root
     *
     * @param int $n
     * @return Engine
     */
    protected function rootHelper($n)
    {
        if ($n < 1) {
            return clone static::$zero[static::class];
        } // we want positive exponents
        if ($this->compare(static::$one[static::class]) < 0) {
            return clone static::$zero[static::class];
        } // we want positive numbers
        if ($this->compare(static::$two[static::class]) < 0) {
            return clone static::$one[static::class];
        } // n-th root of 1 or 2 is 1

        return $this->rootInner($n);
    }

    /**
     * Calculates the nth root of a biginteger.
     *
     * Returns the nth root of a positive biginteger, where n defaults to 2
     *
     * {@internal This function is based off of {@link http://mathforum.org/library/drmath/view/52605.html this page} and {@link http://stackoverflow.com/questions/11242920/calculating-nth-root-with-bcmath-in-php this stackoverflow question}.}
     *
     * @param int $n
     * @return Engine
     */
    protected function rootInner($n)
    {
        $n = new static($n);

        // g is our guess number
        $g = static::$two[static::class];
        // while (g^n < num) g=g*2
        while ($g->pow($n)->compare($this) < 0) {
            $g = $g->multiply(static::$two[static::class]);
        }
        // if (g^n==num) num is a power of 2, we're lucky, end of job
        // == 0 bccomp(bcpow($g, $n), $n->value)==0
        if ($g->pow($n)->equals($this) > 0) {
            $root = $g;
            return $this->normalize($root);
        }

        // if we're here num wasn't a power of 2 :(
        $og = $g; // og means original guess and here is our upper bound
        $g = $g->divide(static::$two[static::class])[0]; // g is set to be our lower bound
        $step = $og->subtract($g)->divide(static::$two[static::class])[0]; // step is the half of upper bound - lower bound
        $g = $g->add($step); // we start at lower bound + step , basically in the middle of our interval

        // while step>1

        while ($step->compare(static::$one[static::class]) == 1) {
            $guess = $g->pow($n);
            $step = $step->divide(static::$two[static::class])[0];
            $comp = $guess->compare($this); // compare our guess with real number
            switch ($comp) {
                case -1: // if guess is lower we add the new step
                    $g = $g->add($step);
                    break;
                case 1: // if guess is higher we sub the new step
                    $g = $g->subtract($step);
                    break;
                case 0: // if guess is exactly the num we're done, we return the value
                    $root = $g;
                    break 2;
            }
        }

        if ($comp == 1) {
            $g = $g->subtract($step);
        }

        // whatever happened, g is the closest guess we can make so return it
        $root = $g;

        return $this->normalize($root);
    }

    /**
     * Calculates the nth root of a biginteger.
     *
     * @param int $n
     * @return Engine
     */
    public function root($n = 2)
    {
        return $this->rootHelper($n);
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param array $nums
     * @return Engine
     */
    protected static function minHelper(array $nums)
    {
        if (count($nums) == 1) {
            return $nums[0];
        }
        $min = $nums[0];
        for ($i = 1; $i < count($nums); $i++) {
            $min = $min->compare($nums[$i]) > 0 ? $nums[$i] : $min;
        }
        return $min;
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param array $nums
     * @return Engine
     */
    protected static function maxHelper(array $nums)
    {
        if (count($nums) == 1) {
            return $nums[0];
        }
        $max = $nums[0];
        for ($i = 1; $i < count($nums); $i++) {
            $max = $max->compare($nums[$i]) < 0 ? $nums[$i] : $max;
        }
        return $max;
    }

    /**
     * Create Recurring Modulo Function
     *
     * Sometimes it may be desirable to do repeated modulos with the same number outside of
     * modular exponentiation
     *
     * @return callable
     */
    public function createRecurringModuloFunction()
    {
        $class = static::class;

        $fqengine = !method_exists(static::$modexpEngine[static::class], 'reduce') ?
            '\\phpseclib3\\Math\\BigInteger\\Engines\\' . static::ENGINE_DIR . '\\DefaultEngine' :
            static::$modexpEngine[static::class];
        if (method_exists($fqengine, 'generateCustomReduction')) {
            $func = $fqengine::generateCustomReduction($this, static::class);
            return eval('return function(' . static::class . ' $x) use ($func, $class) {
                $r = new $class();
                $r->value = $func($x->value);
                return $r;
            };');
        }
        $n = $this->value;
        return eval('return function(' . static::class . ' $x) use ($n, $fqengine, $class) {
            $r = new $class();
            $r->value = $fqengine::reduce($x->value, $n, $class);
            return $r;
        };');
    }

    /**
     * Calculates the greatest common divisor and Bezout's identity.
     *
     * @param Engine $n
     * @return array{gcd: Engine, x: Engine, y: Engine}
     */
    protected function extendedGCDHelper(Engine $n)
    {
        $u = clone $this;
        $v = clone $n;

        $one = new static(1);
        $zero = new static();

        $a = clone $one;
        $b = clone $zero;
        $c = clone $zero;
        $d = clone $one;

        while (!$v->equals($zero)) {
            list($q) = $u->divide($v);

            $temp = $u;
            $u = $v;
            $v = $temp->subtract($v->multiply($q));

            $temp = $a;
            $a = $c;
            $c = $temp->subtract($a->multiply($q));

            $temp = $b;
            $b = $d;
            $d = $temp->subtract($b->multiply($q));
        }

        return [
            'gcd' => $u,
            'x' => $a,
            'y' => $b
        ];
    }

    /**
     * Bitwise Split
     *
     * Splits BigInteger's into chunks of $split bits
     *
     * @param int $split
     * @return Engine[]
     */
    public function bitwise_split($split)
    {
        if ($split < 1) {
            throw new \RuntimeException('Offset must be greater than 1');
        }

        $mask = static::$one[static::class]->bitwise_leftShift($split)->subtract(static::$one[static::class]);

        $num = clone $this;

        $vals = [];
        while (!$num->equals(static::$zero[static::class])) {
            $vals[] = $num->bitwise_and($mask);
            $num = $num->bitwise_rightShift($split);
        }

        return array_reverse($vals);
    }

    /**
     * Logical And
     *
     * @param Engine $x
     * @return Engine
     */
    protected function bitwiseAndHelper(Engine $x)
    {
        $left = $this->toBytes(true);
        $right = $x->toBytes(true);

        $length = max(strlen($left), strlen($right));

        $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
        $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);

        return $this->normalize(new static($left & $right, -256));
    }

    /**
     * Logical Or
     *
     * @param Engine $x
     * @return Engine
     */
    protected function bitwiseOrHelper(Engine $x)
    {
        $left = $this->toBytes(true);
        $right = $x->toBytes(true);

        $length = max(strlen($left), strlen($right));

        $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
        $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);

        return $this->normalize(new static($left | $right, -256));
    }

    /**
     * Logical Exclusive Or
     *
     * @param Engine $x
     * @return Engine
     */
    protected function bitwiseXorHelper(Engine $x)
    {
        $left = $this->toBytes(true);
        $right = $x->toBytes(true);

        $length = max(strlen($left), strlen($right));


        $left = str_pad($left, $length, chr(0), STR_PAD_LEFT);
        $right = str_pad($right, $length, chr(0), STR_PAD_LEFT);
        return $this->normalize(new static($left ^ $right, -256));
    }
}
PK     B‰U]³©õ:  :  9  vendor/phpseclib/phpseclib/phpseclib/Math/BinaryField.phpnu „[µü¤        <?php

/**
 * Binary Finite Fields
 *
 * Utilizes the factory design pattern
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Math\BinaryField\Integer;
use phpseclib3\Math\Common\FiniteField;

/**
 * Binary Finite Fields
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class BinaryField extends FiniteField
{
    /**
     * Instance Counter
     *
     * @var int
     */
    private static $instanceCounter = 0;

    /**
     * Keeps track of current instance
     *
     * @var int
     */
    protected $instanceID;

    /** @var BigInteger */
    private $randomMax;

    /**
     * Default constructor
     */
    public function __construct(...$indices)
    {
        $m = array_shift($indices);
        $val = str_repeat('0', $m) . '1';
        foreach ($indices as $index) {
            $val[$index] = '1';
        }
        $modulo = static::base2ToBase256(strrev($val));

        $mStart = 2 * $m - 2;
        $t = ceil($m / 8);
        $finalMask = chr((1 << ($m % 8)) - 1);
        if ($finalMask == "\0") {
            $finalMask = "\xFF";
        }
        $bitLen = $mStart + 1;
        $pad = ceil($bitLen / 8);
        $h = $bitLen & 7;
        $h = $h ? 8 - $h : 0;

        $r = rtrim(substr($val, 0, -1), '0');
        $u = [static::base2ToBase256(strrev($r))];
        for ($i = 1; $i < 8; $i++) {
            $u[] = static::base2ToBase256(strrev(str_repeat('0', $i) . $r));
        }

        // implements algorithm 2.40 (in section 2.3.5) in "Guide to Elliptic Curve Cryptography"
        // with W = 8
        $reduce = function ($c) use ($u, $mStart, $m, $t, $finalMask, $pad, $h) {
            $c = str_pad($c, $pad, "\0", STR_PAD_LEFT);
            for ($i = $mStart; $i >= $m;) {
                $g = $h >> 3;
                $mask = $h & 7;
                $mask = $mask ? 1 << (7 - $mask) : 0x80;
                for (; $mask > 0; $mask >>= 1, $i--, $h++) {
                    if (ord($c[$g]) & $mask) {
                        $temp = $i - $m;
                        $j = $temp >> 3;
                        $k = $temp & 7;
                        $t1 = $j ? substr($c, 0, -$j) : $c;
                        $length = strlen($t1);
                        if ($length) {
                            $t2 = str_pad($u[$k], $length, "\0", STR_PAD_LEFT);
                            $temp = $t1 ^ $t2;
                            $c = $j ? substr_replace($c, $temp, 0, $length) : $temp;
                        }
                    }
                }
            }
            $c = substr($c, -$t);
            if (strlen($c) == $t) {
                $c[0] = $c[0] & $finalMask;
            }
            return ltrim($c, "\0");
        };

        $this->instanceID = self::$instanceCounter++;
        Integer::setModulo($this->instanceID, $modulo);
        Integer::setRecurringModuloFunction($this->instanceID, $reduce);

        $this->randomMax = new BigInteger($modulo, 2);
    }

    /**
     * Returns an instance of a dynamically generated PrimeFieldInteger class
     *
     * @param string $num
     * @return Integer
     */
    public function newInteger($num)
    {
        return new Integer($this->instanceID, $num instanceof BigInteger ? $num->toBytes() : $num);
    }

    /**
     * Returns an integer on the finite field between one and the prime modulo
     *
     * @return Integer
     */
    public function randomInteger()
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        return new Integer($this->instanceID, BigInteger::randomRange($one, $this->randomMax)->toBytes());
    }

    /**
     * Returns the length of the modulo in bytes
     *
     * @return int
     */
    public function getLengthInBytes()
    {
        return strlen(Integer::getModulo($this->instanceID));
    }

    /**
     * Returns the length of the modulo in bits
     *
     * @return int
     */
    public function getLength()
    {
        return strlen(Integer::getModulo($this->instanceID)) << 3;
    }

    /**
     * Converts a base-2 string to a base-256 string
     *
     * @param string $x
     * @param int|null $size
     * @return string
     */
    public static function base2ToBase256($x, $size = null)
    {
        $str = Strings::bits2bin($x);

        $pad = strlen($x) >> 3;
        if (strlen($x) & 3) {
            $pad++;
        }
        $str = str_pad($str, $pad, "\0", STR_PAD_LEFT);
        if (isset($size)) {
            $str = str_pad($str, $size, "\0", STR_PAD_LEFT);
        }

        return $str;
    }

    /**
     * Converts a base-256 string to a base-2 string
     *
     * @param string $x
     * @return string
     */
    public static function base256ToBase2($x)
    {
        if (function_exists('gmp_import')) {
            return gmp_strval(gmp_import($x), 2);
        }

        return Strings::bin2bits($x);
    }
}
PK     C‰U]_ÑefV  fV  8  vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.phpnu „[µü¤        <?php

/**
 * Pure-PHP arbitrary precision integer arithmetic library.
 *
 * Supports base-2, base-10, base-16, and base-256 numbers.  Uses the GMP or BCMath extensions, if available,
 * and an internal implementation, otherwise.
 *
 * PHP version 5 and 7
 *
 * Here's an example of how to use this library:
 * <code>
 * <?php
 *    $a = new \phpseclib3\Math\BigInteger(2);
 *    $b = new \phpseclib3\Math\BigInteger(3);
 *
 *    $c = $a->add($b);
 *
 *    echo $c->toString(); // outputs 5
 * ?>
 * </code>
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math;

use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\Math\BigInteger\Engines\Engine;

/**
 * Pure-PHP arbitrary precision integer arithmetic library. Supports base-2, base-10, base-16, and base-256
 * numbers.
 *
 * @package BigInteger
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class BigInteger implements \JsonSerializable
{
    /**
     * Main Engine
     *
     * @var class-string<Engine>
     */
    private static $mainEngine;

    /**
     * Selected Engines
     *
     * @var list<string>
     */
    private static $engines;

    /**
     * The actual BigInteger object
     *
     * @var object
     */
    private $value;

    /**
     * Mode independent value used for serialization.
     *
     * @see self::__sleep()
     * @see self::__wakeup()
     * @var string
     */
    private $hex;

    /**
     * Precision (used only for serialization)
     *
     * @see self::__sleep()
     * @see self::__wakeup()
     * @var int
     */
    private $precision;

    /**
     * Sets engine type.
     *
     * Throws an exception if the type is invalid
     *
     * @param string $main
     * @param list<string> $modexps optional
     * @return void
     */
    public static function setEngine($main, array $modexps = ['DefaultEngine'])
    {
        self::$engines = [];

        $fqmain = 'phpseclib3\\Math\\BigInteger\\Engines\\' . $main;
        if (!class_exists($fqmain) || !method_exists($fqmain, 'isValidEngine')) {
            throw new \InvalidArgumentException("$main is not a valid engine");
        }
        if (!$fqmain::isValidEngine()) {
            throw new BadConfigurationException("$main is not setup correctly on this system");
        }
        /** @var class-string<Engine> $fqmain */
        self::$mainEngine = $fqmain;

        if (!in_array('Default', $modexps)) {
            $modexps[] = 'DefaultEngine';
        }

        $found = false;
        foreach ($modexps as $modexp) {
            try {
                $fqmain::setModExpEngine($modexp);
                $found = true;
                break;
            } catch (\Exception $e) {
            }
        }

        if (!$found) {
            throw new BadConfigurationException("No valid modular exponentiation engine found for $main");
        }

        self::$engines = [$main, $modexp];
    }

    /**
     * Returns the engine type
     *
     * @return string[]
     */
    public static function getEngine()
    {
        self::initialize_static_variables();

        return self::$engines;
    }

    /**
     * Initialize static variables
     */
    private static function initialize_static_variables()
    {
        if (!isset(self::$mainEngine)) {
            $engines = [
                ['GMP'],
                ['PHP64', ['OpenSSL']],
                ['BCMath', ['OpenSSL']],
                ['PHP32', ['OpenSSL']]
            ];
            foreach ($engines as $engine) {
                try {
                    self::setEngine($engine[0], isset($engine[1]) ? $engine[1] : []);
                    break;
                } catch (\Exception $e) {
                }
            }
        }
    }

    /**
     * Converts base-2, base-10, base-16, and binary strings (base-256) to BigIntegers.
     *
     * If the second parameter - $base - is negative, then it will be assumed that the number's are encoded using
     * two's compliment.  The sole exception to this is -10, which is treated the same as 10 is.
     *
     * @param string|int|BigInteger\Engines\Engine $x Base-10 number or base-$base number if $base set.
     * @param int $base
     */
    public function __construct($x = 0, $base = 10)
    {
        self::initialize_static_variables();

        if ($x instanceof self::$mainEngine) {
            $this->value = clone $x;
        } elseif ($x instanceof BigInteger\Engines\Engine) {
            $this->value = new static("$x");
            $this->value->setPrecision($x->getPrecision());
        } else {
            $this->value = new self::$mainEngine($x, $base);
        }
    }

    /**
     * Converts a BigInteger to a base-10 number.
     *
     * @return string
     */
    public function toString()
    {
        return $this->value->toString();
    }

    /**
     *  __toString() magic method
     */
    public function __toString()
    {
        return (string)$this->value;
    }

    /**
     *  __debugInfo() magic method
     *
     * Will be called, automatically, when print_r() or var_dump() are called
     */
    public function __debugInfo()
    {
        return $this->value->__debugInfo();
    }

    /**
     * Converts a BigInteger to a byte string (eg. base-256).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBytes($twos_compliment = false)
    {
        return $this->value->toBytes($twos_compliment);
    }

    /**
     * Converts a BigInteger to a hex string (eg. base-16).
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toHex($twos_compliment = false)
    {
        return $this->value->toHex($twos_compliment);
    }

    /**
     * Converts a BigInteger to a bit string (eg. base-2).
     *
     * Negative numbers are saved as positive numbers, unless $twos_compliment is set to true, at which point, they're
     * saved as two's compliment.
     *
     * @param bool $twos_compliment
     * @return string
     */
    public function toBits($twos_compliment = false)
    {
        return $this->value->toBits($twos_compliment);
    }

    /**
     * Adds two BigIntegers.
     *
     * @param BigInteger $y
     * @return BigInteger
     */
    public function add(BigInteger $y)
    {
        return new static($this->value->add($y->value));
    }

    /**
     * Subtracts two BigIntegers.
     *
     * @param BigInteger $y
     * @return BigInteger
     */
    public function subtract(BigInteger $y)
    {
        return new static($this->value->subtract($y->value));
    }

    /**
     * Multiplies two BigIntegers
     *
     * @param BigInteger $x
     * @return BigInteger
     */
    public function multiply(BigInteger $x)
    {
        return new static($this->value->multiply($x->value));
    }

    /**
     * Divides two BigIntegers.
     *
     * Returns an array whose first element contains the quotient and whose second element contains the
     * "common residue".  If the remainder would be positive, the "common residue" and the remainder are the
     * same.  If the remainder would be negative, the "common residue" is equal to the sum of the remainder
     * and the divisor (basically, the "common residue" is the first positive modulo).
     *
     * Here's an example:
     * <code>
     * <?php
     *    $a = new \phpseclib3\Math\BigInteger('10');
     *    $b = new \phpseclib3\Math\BigInteger('20');
     *
     *    list($quotient, $remainder) = $a->divide($b);
     *
     *    echo $quotient->toString(); // outputs 0
     *    echo "\r\n";
     *    echo $remainder->toString(); // outputs 10
     * ?>
     * </code>
     *
     * @param BigInteger $y
     * @return BigInteger[]
     */
    public function divide(BigInteger $y)
    {
        list($q, $r) = $this->value->divide($y->value);
        return [
            new static($q),
            new static($r)
        ];
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     *
     * @param BigInteger $n
     * @return BigInteger
     */
    public function modInverse(BigInteger $n)
    {
        return new static($this->value->modInverse($n->value));
    }

    /**
     * Calculates modular inverses.
     *
     * Say you have (30 mod 17 * x mod 17) mod 17 == 1.  x can be found using modular inverses.
     *
     * @param BigInteger $n
     * @return BigInteger[]
     */
    public function extendedGCD(BigInteger $n)
    {
        extract($this->value->extendedGCD($n->value));
        /**
         * @var BigInteger $gcd
         * @var BigInteger $x
         * @var BigInteger $y
         */
        return [
            'gcd' => new static($gcd),
            'x' => new static($x),
            'y' => new static($y)
        ];
    }

    /**
     * Calculates the greatest common divisor
     *
     * Say you have 693 and 609.  The GCD is 21.
     *
     * @param BigInteger $n
     * @return BigInteger
     */
    public function gcd(BigInteger $n)
    {
        return new static($this->value->gcd($n->value));
    }

    /**
     * Absolute value.
     *
     * @return BigInteger
     * @access public
     */
    public function abs()
    {
        return new static($this->value->abs());
    }

    /**
     * Set Precision
     *
     * Some bitwise operations give different results depending on the precision being used.  Examples include left
     * shift, not, and rotates.
     *
     * @param int $bits
     */
    public function setPrecision($bits)
    {
        $this->value->setPrecision($bits);
    }

    /**
     * Get Precision
     *
     * Returns the precision if it exists, false if it doesn't
     *
     * @return int|bool
     */
    public function getPrecision()
    {
        return $this->value->getPrecision();
    }

    /**
     * Serialize
     *
     * Will be called, automatically, when serialize() is called on a BigInteger object.
     *
     * __sleep() / __wakeup() have been around since PHP 4.0
     *
     * \Serializable was introduced in PHP 5.1 and deprecated in PHP 8.1:
     * https://wiki.php.net/rfc/phase_out_serializable
     *
     * __serialize() / __unserialize() were introduced in PHP 7.4:
     * https://wiki.php.net/rfc/custom_object_serialization
     *
     * @return array
     */
    public function __sleep()
    {
        $this->hex = $this->toHex(true);
        $vars = ['hex'];
        if ($this->getPrecision() > 0) {
            $vars[] = 'precision';
        }
        return $vars;
    }

    /**
     * Serialize
     *
     * Will be called, automatically, when unserialize() is called on a BigInteger object.
     */
    public function __wakeup()
    {
        $temp = new static($this->hex, -16);
        $this->value = $temp->value;
        if ($this->precision > 0) {
            // recalculate $this->bitmask
            $this->setPrecision($this->precision);
        }
    }

    /**
     * JSON Serialize
     *
     * Will be called, automatically, when json_encode() is called on a BigInteger object.
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize()
    {
        $result = ['hex' => $this->toHex(true)];
        if ($this->precision > 0) {
            $result['precision'] = $this->getPrecision();
        }
        return $result;
    }

    /**
     * Performs modular exponentiation.
     *
     * @param BigInteger $e
     * @param BigInteger $n
     * @return BigInteger
     */
    public function powMod(BigInteger $e, BigInteger $n)
    {
        return new static($this->value->powMod($e->value, $n->value));
    }

    /**
     * Performs modular exponentiation.
     *
     * @param BigInteger $e
     * @param BigInteger $n
     * @return BigInteger
     */
    public function modPow(BigInteger $e, BigInteger $n)
    {
        return new static($this->value->modPow($e->value, $n->value));
    }

    /**
     * Compares two numbers.
     *
     * Although one might think !$x->compare($y) means $x != $y, it, in fact, means the opposite.  The reason for this
     * is demonstrated thusly:
     *
     * $x  > $y: $x->compare($y)  > 0
     * $x  < $y: $x->compare($y)  < 0
     * $x == $y: $x->compare($y) == 0
     *
     * Note how the same comparison operator is used.  If you want to test for equality, use $x->equals($y).
     *
     * {@internal Could return $this->subtract($x), but that's not as fast as what we do do.}
     *
     * @param BigInteger $y
     * @return int in case < 0 if $this is less than $y; > 0 if $this is greater than $y, and 0 if they are equal.
     * @access public
     * @see self::equals()
     */
    public function compare(BigInteger $y)
    {
        return $this->value->compare($y->value);
    }

    /**
     * Tests the equality of two numbers.
     *
     * If you need to see if one number is greater than or less than another number, use BigInteger::compare()
     *
     * @param BigInteger $x
     * @return bool
     */
    public function equals(BigInteger $x)
    {
        return $this->value->equals($x->value);
    }

    /**
     * Logical Not
     *
     * @return BigInteger
     */
    public function bitwise_not()
    {
        return new static($this->value->bitwise_not());
    }

    /**
     * Logical And
     *
     * @param BigInteger $x
     * @return BigInteger
     */
    public function bitwise_and(BigInteger $x)
    {
        return new static($this->value->bitwise_and($x->value));
    }

    /**
     * Logical Or
     *
     * @param BigInteger $x
     * @return BigInteger
     */
    public function bitwise_or(BigInteger $x)
    {
        return new static($this->value->bitwise_or($x->value));
    }

    /**
     * Logical Exclusive Or
     *
     * @param BigInteger $x
     * @return BigInteger
     */
    public function bitwise_xor(BigInteger $x)
    {
        return new static($this->value->bitwise_xor($x->value));
    }

    /**
     * Logical Right Shift
     *
     * Shifts BigInteger's by $shift bits, effectively dividing by 2**$shift.
     *
     * @param int $shift
     * @return BigInteger
     */
    public function bitwise_rightShift($shift)
    {
        return new static($this->value->bitwise_rightShift($shift));
    }

    /**
     * Logical Left Shift
     *
     * Shifts BigInteger's by $shift bits, effectively multiplying by 2**$shift.
     *
     * @param int $shift
     * @return BigInteger
     */
    public function bitwise_leftShift($shift)
    {
        return new static($this->value->bitwise_leftShift($shift));
    }

    /**
     * Logical Left Rotate
     *
     * Instead of the top x bits being dropped they're appended to the shifted bit string.
     *
     * @param int $shift
     * @return BigInteger
     */
    public function bitwise_leftRotate($shift)
    {
        return new static($this->value->bitwise_leftRotate($shift));
    }

    /**
     * Logical Right Rotate
     *
     * Instead of the bottom x bits being dropped they're prepended to the shifted bit string.
     *
     * @param int $shift
     * @return BigInteger
     */
    public function bitwise_rightRotate($shift)
    {
        return new static($this->value->bitwise_rightRotate($shift));
    }

    /**
     * Returns the smallest and largest n-bit number
     *
     * @param int $bits
     * @return BigInteger[]
     */
    public static function minMaxBits($bits)
    {
        self::initialize_static_variables();

        $class = self::$mainEngine;
        extract($class::minMaxBits($bits));
        /** @var BigInteger $min
         * @var BigInteger $max
         */
        return [
            'min' => new static($min),
            'max' => new static($max)
        ];
    }

    /**
     * Return the size of a BigInteger in bits
     *
     * @return int
     */
    public function getLength()
    {
        return $this->value->getLength();
    }

    /**
     * Return the size of a BigInteger in bytes
     *
     * @return int
     */
    public function getLengthInBytes()
    {
        return $this->value->getLengthInBytes();
    }

    /**
     * Generates a random number of a certain size
     *
     * Bit length is equal to $size
     *
     * @param int $size
     * @return BigInteger
     */
    public static function random($size)
    {
        self::initialize_static_variables();

        $class = self::$mainEngine;
        return new static($class::random($size));
    }

    /**
     * Generates a random prime number of a certain size
     *
     * Bit length is equal to $size
     *
     * @param int $size
     * @return BigInteger
     */
    public static function randomPrime($size)
    {
        self::initialize_static_variables();

        $class = self::$mainEngine;
        return new static($class::randomPrime($size));
    }

    /**
     * Generate a random prime number between a range
     *
     * If there's not a prime within the given range, false will be returned.
     *
     * @param BigInteger $min
     * @param BigInteger $max
     * @return false|BigInteger
     */
    public static function randomRangePrime(BigInteger $min, BigInteger $max)
    {
        $class = self::$mainEngine;
        return new static($class::randomRangePrime($min->value, $max->value));
    }

    /**
     * Generate a random number between a range
     *
     * Returns a random number between $min and $max where $min and $max
     * can be defined using one of the two methods:
     *
     * BigInteger::randomRange($min, $max)
     * BigInteger::randomRange($max, $min)
     *
     * @param BigInteger $min
     * @param BigInteger $max
     * @return BigInteger
     */
    public static function randomRange(BigInteger $min, BigInteger $max)
    {
        $class = self::$mainEngine;
        return new static($class::randomRange($min->value, $max->value));
    }

    /**
     * Checks a numer to see if it's prime
     *
     * Assuming the $t parameter is not set, this function has an error rate of 2**-80.  The main motivation for the
     * $t parameter is distributability.  BigInteger::randomPrime() can be distributed across multiple pageloads
     * on a website instead of just one.
     *
     * @param int|bool $t
     * @return bool
     */
    public function isPrime($t = false)
    {
        return $this->value->isPrime($t);
    }

    /**
     * Calculates the nth root of a biginteger.
     *
     * Returns the nth root of a positive biginteger, where n defaults to 2
     *
     * @param int $n optional
     * @return BigInteger
     */
    public function root($n = 2)
    {
        return new static($this->value->root($n));
    }

    /**
     * Performs exponentiation.
     *
     * @param BigInteger $n
     * @return BigInteger
     */
    public function pow(BigInteger $n)
    {
        return new static($this->value->pow($n->value));
    }

    /**
     * Return the minimum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param BigInteger ...$nums
     * @return BigInteger
     */
    public static function min(BigInteger ...$nums)
    {
        $class = self::$mainEngine;
        $nums = array_map(function ($num) {
            return $num->value;
        }, $nums);
        return new static($class::min(...$nums));
    }

    /**
     * Return the maximum BigInteger between an arbitrary number of BigIntegers.
     *
     * @param BigInteger ...$nums
     * @return BigInteger
     */
    public static function max(BigInteger ...$nums)
    {
        $class = self::$mainEngine;
        $nums = array_map(function ($num) {
            return $num->value;
        }, $nums);
        return new static($class::max(...$nums));
    }

    /**
     * Tests BigInteger to see if it is between two integers, inclusive
     *
     * @param BigInteger $min
     * @param BigInteger $max
     * @return bool
     */
    public function between(BigInteger $min, BigInteger $max)
    {
        return $this->value->between($min->value, $max->value);
    }

    /**
     * Clone
     */
    public function __clone()
    {
        $this->value = clone $this->value;
    }

    /**
     * Is Odd?
     *
     * @return bool
     */
    public function isOdd()
    {
        return $this->value->isOdd();
    }

    /**
     * Tests if a bit is set
     *
     * @param int $x
     * @return bool
     */
    public function testBit($x)
    {
        return $this->value->testBit($x);
    }

    /**
     * Is Negative?
     *
     * @return bool
     */
    public function isNegative()
    {
        return $this->value->isNegative();
    }

    /**
     * Negate
     *
     * Given $k, returns -$k
     *
     * @return BigInteger
     */
    public function negate()
    {
        return new static($this->value->negate());
    }

    /**
     * Scan for 1 and right shift by that amount
     *
     * ie. $s = gmp_scan1($n, 0) and $r = gmp_div_q($n, gmp_pow(gmp_init('2'), $s));
     *
     * @param BigInteger $r
     * @return int
     */
    public static function scan1divide(BigInteger $r)
    {
        $class = self::$mainEngine;
        return $class::scan1divide($r->value);
    }

    /**
     * Create Recurring Modulo Function
     *
     * Sometimes it may be desirable to do repeated modulos with the same number outside of
     * modular exponentiation
     *
     * @return callable
     */
    public function createRecurringModuloFunction()
    {
        $func = $this->value->createRecurringModuloFunction();
        return function (BigInteger $x) use ($func) {
            return new static($func($x->value));
        };
    }

    /**
     * Bitwise Split
     *
     * Splits BigInteger's into chunks of $split bits
     *
     * @param int $split
     * @return BigInteger[]
     */
    public function bitwise_split($split)
    {
        return array_map(function ($val) {
            return new static($val);
        }, $this->value->bitwise_split($split));
    }
}
PK     C‰U]Ç’ªX(  X(  @  vendor/phpseclib/phpseclib/phpseclib/Math/PrimeField/Integer.phpnu „[µü¤        <?php

/**
 * Prime Finite Fields
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math\PrimeField;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\Common\FiniteField\Integer as Base;

/**
 * Prime Finite Fields
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Integer extends Base
{
    /**
     * Holds the PrimeField's value
     *
     * @var BigInteger
     */
    protected $value;

    /**
     * Keeps track of current instance
     *
     * @var int
     */
    protected $instanceID;

    /**
     * Holds the PrimeField's modulo
     *
     * @var array<int, BigInteger>
     */
    protected static $modulo;

    /**
     * Holds a pre-generated function to perform modulo reductions
     *
     * @var array<int, callable(BigInteger):BigInteger>
     */
    protected static $reduce;

    /**
     * Zero
     *
     * @var BigInteger
     */
    protected static $zero;

    /**
     * Default constructor
     *
     * @param int $instanceID
     */
    public function __construct($instanceID, BigInteger $num = null)
    {
        $this->instanceID = $instanceID;
        if (!isset($num)) {
            $this->value = clone static::$zero[static::class];
        } else {
            $reduce = static::$reduce[$instanceID];
            $this->value = $reduce($num);
        }
    }

    /**
     * Set the modulo for a given instance
     *
     * @param int $instanceID
     * @return void
     */
    public static function setModulo($instanceID, BigInteger $modulo)
    {
        static::$modulo[$instanceID] = $modulo;
    }

    /**
     * Set the modulo for a given instance
     *
     * @param int $instanceID
     * @return void
     */
    public static function setRecurringModuloFunction($instanceID, callable $function)
    {
        static::$reduce[$instanceID] = $function;
        if (!isset(static::$zero[static::class])) {
            static::$zero[static::class] = new BigInteger();
        }
    }

    /**
     * Delete the modulo for a given instance
     */
    public static function cleanupCache($instanceID)
    {
        unset(static::$modulo[$instanceID]);
        unset(static::$reduce[$instanceID]);
    }

    /**
     * Returns the modulo
     *
     * @param int $instanceID
     * @return BigInteger
     */
    public static function getModulo($instanceID)
    {
        return static::$modulo[$instanceID];
    }

    /**
     * Tests a parameter to see if it's of the right instance
     *
     * Throws an exception if the incorrect class is being utilized
     *
     * @return void
     */
    public static function checkInstance(self $x, self $y)
    {
        if ($x->instanceID != $y->instanceID) {
            throw new \UnexpectedValueException('The instances of the two PrimeField\Integer objects do not match');
        }
    }

    /**
     * Tests the equality of two numbers.
     *
     * @return bool
     */
    public function equals(self $x)
    {
        static::checkInstance($this, $x);

        return $this->value->equals($x->value);
    }

    /**
     * Compares two numbers.
     *
     * @return int
     */
    public function compare(self $x)
    {
        static::checkInstance($this, $x);

        return $this->value->compare($x->value);
    }

    /**
     * Adds two PrimeFieldIntegers.
     *
     * @return static
     */
    public function add(self $x)
    {
        static::checkInstance($this, $x);

        $temp = new static($this->instanceID);
        $temp->value = $this->value->add($x->value);
        if ($temp->value->compare(static::$modulo[$this->instanceID]) >= 0) {
            $temp->value = $temp->value->subtract(static::$modulo[$this->instanceID]);
        }

        return $temp;
    }

    /**
     * Subtracts two PrimeFieldIntegers.
     *
     * @return static
     */
    public function subtract(self $x)
    {
        static::checkInstance($this, $x);

        $temp = new static($this->instanceID);
        $temp->value = $this->value->subtract($x->value);
        if ($temp->value->isNegative()) {
            $temp->value = $temp->value->add(static::$modulo[$this->instanceID]);
        }

        return $temp;
    }

    /**
     * Multiplies two PrimeFieldIntegers.
     *
     * @return static
     */
    public function multiply(self $x)
    {
        static::checkInstance($this, $x);

        return new static($this->instanceID, $this->value->multiply($x->value));
    }

    /**
     * Divides two PrimeFieldIntegers.
     *
     * @return static
     */
    public function divide(self $x)
    {
        static::checkInstance($this, $x);

        $denominator = $x->value->modInverse(static::$modulo[$this->instanceID]);
        return new static($this->instanceID, $this->value->multiply($denominator));
    }

    /**
     * Performs power operation on a PrimeFieldInteger.
     *
     * @return static
     */
    public function pow(BigInteger $x)
    {
        $temp = new static($this->instanceID);
        $temp->value = $this->value->powMod($x, static::$modulo[$this->instanceID]);

        return $temp;
    }

    /**
     * Calculates the square root
     *
     * @link https://en.wikipedia.org/wiki/Tonelli%E2%80%93Shanks_algorithm
     * @return static|false
     */
    public function squareRoot()
    {
        static $one, $two;
        if (!isset($one)) {
            $one = new BigInteger(1);
            $two = new BigInteger(2);
        }
        $reduce = static::$reduce[$this->instanceID];
        $p_1 = static::$modulo[$this->instanceID]->subtract($one);
        $q = clone $p_1;
        $s = BigInteger::scan1divide($q);
        list($pow) = $p_1->divide($two);
        for ($z = $one; !$z->equals(static::$modulo[$this->instanceID]); $z = $z->add($one)) {
            $temp = $z->powMod($pow, static::$modulo[$this->instanceID]);
            if ($temp->equals($p_1)) {
                break;
            }
        }

        $m = new BigInteger($s);
        $c = $z->powMod($q, static::$modulo[$this->instanceID]);
        $t = $this->value->powMod($q, static::$modulo[$this->instanceID]);
        list($temp) = $q->add($one)->divide($two);
        $r = $this->value->powMod($temp, static::$modulo[$this->instanceID]);

        while (!$t->equals($one)) {
            $i = clone $one;

            while (!$t->powMod($two->pow($i), static::$modulo[$this->instanceID])->equals($one)) {
                $i = $i->add($one);
            }

            if ($i->compare($m) >= 0) {
                return false;
            }
            $b = $c->powMod($two->pow($m->subtract($i)->subtract($one)), static::$modulo[$this->instanceID]);
            $m = $i;
            $c = $reduce($b->multiply($b));
            $t = $reduce($t->multiply($c));
            $r = $reduce($r->multiply($b));
        }

        return new static($this->instanceID, $r);
    }

    /**
     * Is Odd?
     *
     * @return bool
     */
    public function isOdd()
    {
        return $this->value->isOdd();
    }

    /**
     * Negate
     *
     * A negative number can be written as 0-12. With modulos, 0 is the same thing as the modulo
     * so 0-12 is the same thing as modulo-12
     *
     * @return static
     */
    public function negate()
    {
        return new static($this->instanceID, static::$modulo[$this->instanceID]->subtract($this->value));
    }

    /**
     * Converts an Integer to a byte string (eg. base-256).
     *
     * @return string
     */
    public function toBytes()
    {
        $length = static::$modulo[$this->instanceID]->getLengthInBytes();
        return str_pad($this->value->toBytes(), $length, "\0", STR_PAD_LEFT);
    }

    /**
     * Converts an Integer to a hex string (eg. base-16).
     *
     * @return string
     */
    public function toHex()
    {
        return Hex::encode($this->toBytes());
    }

    /**
     * Converts an Integer to a bit string (eg. base-2).
     *
     * @return string
     */
    public function toBits()
    {
        // return $this->value->toBits();
        static $length;
        if (!isset($length)) {
            $length = static::$modulo[$this->instanceID]->getLength();
        }

        return str_pad($this->value->toBits(), $length, '0', STR_PAD_LEFT);
    }

    /**
     * Returns the w-ary non-adjacent form (wNAF)
     *
     * @param int $w optional
     * @return array<int, int>
     */
    public function getNAF($w = 1)
    {
        $w++;

        $mask = new BigInteger((1 << $w) - 1);
        $sub = new BigInteger(1 << $w);
        //$sub = new BigInteger(1 << ($w - 1));
        $d = $this->toBigInteger();
        $d_i = [];

        $i = 0;
        while ($d->compare(static::$zero[static::class]) > 0) {
            if ($d->isOdd()) {
                // start mods

                $bigInteger = $d->testBit($w - 1) ?
                    $d->bitwise_and($mask)->subtract($sub) :
                    //$sub->subtract($d->bitwise_and($mask)) :
                    $d->bitwise_and($mask);
                // end mods
                $d = $d->subtract($bigInteger);
                $d_i[$i] = (int) $bigInteger->toString();
            } else {
                $d_i[$i] = 0;
            }
            $shift = !$d->equals(static::$zero[static::class]) && $d->bitwise_and($mask)->equals(static::$zero[static::class]) ? $w : 1; // $w or $w + 1?
            $d = $d->bitwise_rightShift($shift);
            while (--$shift > 0) {
                $d_i[++$i] = 0;
            }
            $i++;
        }

        return $d_i;
    }

    /**
     * Converts an Integer to a BigInteger
     *
     * @return BigInteger
     */
    public function toBigInteger()
    {
        return clone $this->value;
    }

    /**
     *  __toString() magic method
     *
     * @access public
     * @return string
     */
    public function __toString()
    {
        return (string) $this->value;
    }

    /**
     *  __debugInfo() magic method
     *
     * @access public
     * @return array
     */
    public function __debugInfo()
    {
        return ['value' => $this->toHex()];
    }
}
PK     C‰U]²¡Ó´<6  <6  A  vendor/phpseclib/phpseclib/phpseclib/Math/BinaryField/Integer.phpnu „[µü¤        <?php

/**
 * Binary Finite Fields
 *
 * In a binary finite field numbers are actually polynomial equations. If you
 * represent the number as a sequence of bits you get a sequence of 1's or 0's.
 * These 1's or 0's represent the coefficients of the x**n, where n is the
 * location of the given bit. When you add numbers over a binary finite field
 * the result should have a coefficient of 1 or 0 as well. Hence addition
 * and subtraction become the same operation as XOR.
 * eg. 1 + 1 + 1 == 3 % 2 == 1 or 0 - 1 == -1 % 2 == 1
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math\BinaryField;

use ParagonIE\ConstantTime\Hex;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\BinaryField;
use phpseclib3\Math\Common\FiniteField\Integer as Base;

/**
 * Binary Finite Fields
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Integer extends Base
{
    /**
     * Holds the BinaryField's value
     *
     * @var string
     */
    protected $value;

    /**
     * Keeps track of current instance
     *
     * @var int
     */
    protected $instanceID;

    /**
     * Holds the PrimeField's modulo
     *
     * @var array<int, string>
     */
    protected static $modulo;

    /**
     * Holds a pre-generated function to perform modulo reductions
     *
     * @var callable[]
     */
    protected static $reduce;

    /**
     * Default constructor
     */
    public function __construct($instanceID, $num = '')
    {
        $this->instanceID = $instanceID;
        if (!strlen($num)) {
            $this->value = '';
        } else {
            $reduce = static::$reduce[$instanceID];
            $this->value = $reduce($num);
        }
    }

    /**
     * Set the modulo for a given instance
     * @param int $instanceID
     * @param string $modulo
     */
    public static function setModulo($instanceID, $modulo)
    {
        static::$modulo[$instanceID] = $modulo;
    }

    /**
     * Set the modulo for a given instance
     */
    public static function setRecurringModuloFunction($instanceID, callable $function)
    {
        static::$reduce[$instanceID] = $function;
    }

    /**
     * Tests a parameter to see if it's of the right instance
     *
     * Throws an exception if the incorrect class is being utilized
     */
    private static function checkInstance(self $x, self $y)
    {
        if ($x->instanceID != $y->instanceID) {
            throw new \UnexpectedValueException('The instances of the two BinaryField\Integer objects do not match');
        }
    }

    /**
     * Tests the equality of two numbers.
     *
     * @return bool
     */
    public function equals(self $x)
    {
        static::checkInstance($this, $x);

        return $this->value == $x->value;
    }

    /**
     * Compares two numbers.
     *
     * @return int
     */
    public function compare(self $x)
    {
        static::checkInstance($this, $x);

        $a = $this->value;
        $b = $x->value;

        $length = max(strlen($a), strlen($b));

        $a = str_pad($a, $length, "\0", STR_PAD_LEFT);
        $b = str_pad($b, $length, "\0", STR_PAD_LEFT);

        return strcmp($a, $b);
    }

    /**
     * Returns the degree of the polynomial
     *
     * @param string $x
     * @return int
     */
    private static function deg($x)
    {
        $x = ltrim($x, "\0");
        $xbit = decbin(ord($x[0]));
        $xlen = $xbit == '0' ? 0 : strlen($xbit);
        $len = strlen($x);
        if (!$len) {
            return -1;
        }
        return 8 * strlen($x) - 9 + $xlen;
    }

    /**
     * Perform polynomial division
     *
     * @return string[]
     * @link https://en.wikipedia.org/wiki/Polynomial_greatest_common_divisor#Euclidean_division
     */
    private static function polynomialDivide($x, $y)
    {
        // in wikipedia's description of the algorithm, lc() is the leading coefficient. over a binary field that's
        // always going to be 1.

        $q = chr(0);
        $d = static::deg($y);
        $r = $x;
        while (($degr = static::deg($r)) >= $d) {
            $s = '1' . str_repeat('0', $degr - $d);
            $s = BinaryField::base2ToBase256($s);
            $length = max(strlen($s), strlen($q));
            $q = !isset($q) ? $s :
                str_pad($q, $length, "\0", STR_PAD_LEFT) ^
                str_pad($s, $length, "\0", STR_PAD_LEFT);
            $s = static::polynomialMultiply($s, $y);
            $length = max(strlen($r), strlen($s));
            $r = str_pad($r, $length, "\0", STR_PAD_LEFT) ^
                 str_pad($s, $length, "\0", STR_PAD_LEFT);
        }

        return [ltrim($q, "\0"), ltrim($r, "\0")];
    }

    /**
     * Perform polynomial multiplation in the traditional way
     *
     * @return string
     * @link https://en.wikipedia.org/wiki/Finite_field_arithmetic#Multiplication
     */
    private static function regularPolynomialMultiply($x, $y)
    {
        $precomputed = [ltrim($x, "\0")];
        $x = strrev(BinaryField::base256ToBase2($x));
        $y = strrev(BinaryField::base256ToBase2($y));
        if (strlen($x) == strlen($y)) {
            $length = strlen($x);
        } else {
            $length = max(strlen($x), strlen($y));
            $x = str_pad($x, $length, '0');
            $y = str_pad($y, $length, '0');
        }
        $result = str_repeat('0', 2 * $length - 1);
        $result = BinaryField::base2ToBase256($result);
        $size = strlen($result);
        $x = strrev($x);

        // precompute left shift 1 through 7
        for ($i = 1; $i < 8; $i++) {
            $precomputed[$i] = BinaryField::base2ToBase256($x . str_repeat('0', $i));
        }
        for ($i = 0; $i < strlen($y); $i++) {
            if ($y[$i] == '1') {
                $temp = $precomputed[$i & 7] . str_repeat("\0", $i >> 3);
                $result ^= str_pad($temp, $size, "\0", STR_PAD_LEFT);
            }
        }

        return $result;
    }

    /**
     * Perform polynomial multiplation
     *
     * Uses karatsuba multiplication to reduce x-bit multiplications to a series of 32-bit multiplications
     *
     * @return string
     * @link https://en.wikipedia.org/wiki/Karatsuba_algorithm
     */
    private static function polynomialMultiply($x, $y)
    {
        if (strlen($x) == strlen($y)) {
            $length = strlen($x);
        } else {
            $length = max(strlen($x), strlen($y));
            $x = str_pad($x, $length, "\0", STR_PAD_LEFT);
            $y = str_pad($y, $length, "\0", STR_PAD_LEFT);
        }

        switch (true) {
            case PHP_INT_SIZE == 8 && $length <= 4:
                return $length != 4 ?
                    self::subMultiply(str_pad($x, 4, "\0", STR_PAD_LEFT), str_pad($y, 4, "\0", STR_PAD_LEFT)) :
                    self::subMultiply($x, $y);
            case PHP_INT_SIZE == 4 || $length > 32:
                return self::regularPolynomialMultiply($x, $y);
        }

        $m = $length >> 1;

        $x1 = substr($x, 0, -$m);
        $x0 = substr($x, -$m);
        $y1 = substr($y, 0, -$m);
        $y0 = substr($y, -$m);

        $z2 = self::polynomialMultiply($x1, $y1);
        $z0 = self::polynomialMultiply($x0, $y0);
        $z1 = self::polynomialMultiply(
            self::subAdd2($x1, $x0),
            self::subAdd2($y1, $y0)
        );

        $z1 = self::subAdd3($z1, $z2, $z0);

        $xy = self::subAdd3(
            $z2 . str_repeat("\0", 2 * $m),
            $z1 . str_repeat("\0", $m),
            $z0
        );

        return ltrim($xy, "\0");
    }

    /**
     * Perform polynomial multiplication on 2x 32-bit numbers, returning
     * a 64-bit number
     *
     * @param string $x
     * @param string $y
     * @return string
     * @link https://www.bearssl.org/constanttime.html#ghash-for-gcm
     */
    private static function subMultiply($x, $y)
    {
        $x = unpack('N', $x)[1];
        $y = unpack('N', $y)[1];

        $x0 = $x & 0x11111111;
        $x1 = $x & 0x22222222;
        $x2 = $x & 0x44444444;
        $x3 = $x & 0x88888888;

        $y0 = $y & 0x11111111;
        $y1 = $y & 0x22222222;
        $y2 = $y & 0x44444444;
        $y3 = $y & 0x88888888;

        $z0 = ($x0 * $y0) ^ ($x1 * $y3) ^ ($x2 * $y2) ^ ($x3 * $y1);
        $z1 = ($x0 * $y1) ^ ($x1 * $y0) ^ ($x2 * $y3) ^ ($x3 * $y2);
        $z2 = ($x0 * $y2) ^ ($x1 * $y1) ^ ($x2 * $y0) ^ ($x3 * $y3);
        $z3 = ($x0 * $y3) ^ ($x1 * $y2) ^ ($x2 * $y1) ^ ($x3 * $y0);

        $z0 &= 0x1111111111111111;
        $z1 &= 0x2222222222222222;
        $z2 &= 0x4444444444444444;
        $z3 &= -8608480567731124088; // 0x8888888888888888 gets interpreted as a float

        $z = $z0 | $z1 | $z2 | $z3;

        return pack('J', $z);
    }

    /**
     * Adds two numbers
     *
     * @param string $x
     * @param string $y
     * @return string
     */
    private static function subAdd2($x, $y)
    {
        $length = max(strlen($x), strlen($y));
        $x = str_pad($x, $length, "\0", STR_PAD_LEFT);
        $y = str_pad($y, $length, "\0", STR_PAD_LEFT);
        return $x ^ $y;
    }

    /**
     * Adds three numbers
     *
     * @param string $x
     * @param string $y
     * @return string
     */
    private static function subAdd3($x, $y, $z)
    {
        $length = max(strlen($x), strlen($y), strlen($z));
        $x = str_pad($x, $length, "\0", STR_PAD_LEFT);
        $y = str_pad($y, $length, "\0", STR_PAD_LEFT);
        $z = str_pad($z, $length, "\0", STR_PAD_LEFT);
        return $x ^ $y ^ $z;
    }

    /**
     * Adds two BinaryFieldIntegers.
     *
     * @return static
     */
    public function add(self $y)
    {
        static::checkInstance($this, $y);

        $length = strlen(static::$modulo[$this->instanceID]);

        $x = str_pad($this->value, $length, "\0", STR_PAD_LEFT);
        $y = str_pad($y->value, $length, "\0", STR_PAD_LEFT);

        return new static($this->instanceID, $x ^ $y);
    }

    /**
     * Subtracts two BinaryFieldIntegers.
     *
     * @return static
     */
    public function subtract(self $x)
    {
        return $this->add($x);
    }

    /**
     * Multiplies two BinaryFieldIntegers.
     *
     * @return static
     */
    public function multiply(self $y)
    {
        static::checkInstance($this, $y);

        return new static($this->instanceID, static::polynomialMultiply($this->value, $y->value));
    }

    /**
     * Returns the modular inverse of a BinaryFieldInteger
     *
     * @return static
     */
    public function modInverse()
    {
        $remainder0 = static::$modulo[$this->instanceID];
        $remainder1 = $this->value;

        if ($remainder1 == '') {
            return new static($this->instanceID);
        }

        $aux0 = "\0";
        $aux1 = "\1";
        while ($remainder1 != "\1") {
            list($q, $r) = static::polynomialDivide($remainder0, $remainder1);
            $remainder0 = $remainder1;
            $remainder1 = $r;
            // the auxiliary in row n is given by the sum of the auxiliary in
            // row n-2 and the product of the quotient and the auxiliary in row
            // n-1
            $temp = static::polynomialMultiply($aux1, $q);
            $aux = str_pad($aux0, strlen($temp), "\0", STR_PAD_LEFT) ^
                   str_pad($temp, strlen($aux0), "\0", STR_PAD_LEFT);
            $aux0 = $aux1;
            $aux1 = $aux;
        }

        $temp = new static($this->instanceID);
        $temp->value = ltrim($aux1, "\0");
        return $temp;
    }

    /**
     * Divides two PrimeFieldIntegers.
     *
     * @return static
     */
    public function divide(self $x)
    {
        static::checkInstance($this, $x);

        $x = $x->modInverse();
        return $this->multiply($x);
    }

    /**
     * Negate
     *
     * A negative number can be written as 0-12. With modulos, 0 is the same thing as the modulo
     * so 0-12 is the same thing as modulo-12
     *
     * @return object
     */
    public function negate()
    {
        $x = str_pad($this->value, strlen(static::$modulo[$this->instanceID]), "\0", STR_PAD_LEFT);

        return new static($this->instanceID, $x ^ static::$modulo[$this->instanceID]);
    }

    /**
     * Returns the modulo
     *
     * @return string
     */
    public static function getModulo($instanceID)
    {
        return static::$modulo[$instanceID];
    }

    /**
     * Converts an Integer to a byte string (eg. base-256).
     *
     * @return string
     */
    public function toBytes()
    {
        return str_pad($this->value, strlen(static::$modulo[$this->instanceID]), "\0", STR_PAD_LEFT);
    }

    /**
     * Converts an Integer to a hex string (eg. base-16).
     *
     * @return string
     */
    public function toHex()
    {
        return Hex::encode($this->toBytes());
    }

    /**
     * Converts an Integer to a bit string (eg. base-2).
     *
     * @return string
     */
    public function toBits()
    {
        //return str_pad(BinaryField::base256ToBase2($this->value), strlen(static::$modulo[$this->instanceID]), '0', STR_PAD_LEFT);
        return BinaryField::base256ToBase2($this->value);
    }

    /**
     * Converts an Integer to a BigInteger
     *
     * @return string
     */
    public function toBigInteger()
    {
        return new BigInteger($this->value, 256);
    }

    /**
     *  __toString() magic method
     *
     * @access public
     */
    public function __toString()
    {
        return (string) $this->toBigInteger();
    }

    /**
     *  __debugInfo() magic method
     *
     * @access public
     */
    public function __debugInfo()
    {
        return ['value' => $this->toHex()];
    }
}
PK     C‰U]¢¥þÎ
  Î
  8  vendor/phpseclib/phpseclib/phpseclib/Math/PrimeField.phpnu „[µü¤        <?php

/**
 * Prime Finite Fields
 *
 * Utilizes the factory design pattern
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://pear.php.net/package/Math_BigInteger
 */

namespace phpseclib3\Math;

use phpseclib3\Math\Common\FiniteField;
use phpseclib3\Math\PrimeField\Integer;

/**
 * Prime Finite Fields
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class PrimeField extends FiniteField
{
    /**
     * Instance Counter
     *
     * @var int
     */
    private static $instanceCounter = 0;

    /**
     * Keeps track of current instance
     *
     * @var int
     */
    protected $instanceID;

    /**
     * Default constructor
     */
    public function __construct(BigInteger $modulo)
    {
        //if (!$modulo->isPrime()) {
        //    throw new \UnexpectedValueException('PrimeField requires a prime number be passed to the constructor');
        //}

        $this->modulo = $modulo;

        $this->instanceID = self::$instanceCounter++;
        Integer::setModulo($this->instanceID, $modulo);
        Integer::setRecurringModuloFunction($this->instanceID, $modulo->createRecurringModuloFunction());
    }

    /**
     * Use a custom defined modular reduction function
     *
     * @return void
     */
    public function setReduction(\Closure $func)
    {
        $this->reduce = $func->bindTo($this, $this);
    }

    /**
     * Returns an instance of a dynamically generated PrimeFieldInteger class
     *
     * @return Integer
     */
    public function newInteger(BigInteger $num)
    {
        return new Integer($this->instanceID, $num);
    }

    /**
     * Returns an integer on the finite field between one and the prime modulo
     *
     * @return Integer
     */
    public function randomInteger()
    {
        static $one;
        if (!isset($one)) {
            $one = new BigInteger(1);
        }

        return new Integer($this->instanceID, BigInteger::randomRange($one, Integer::getModulo($this->instanceID)));
    }

    /**
     * Returns the length of the modulo in bytes
     *
     * @return int
     */
    public function getLengthInBytes()
    {
        return Integer::getModulo($this->instanceID)->getLengthInBytes();
    }

    /**
     * Returns the length of the modulo in bits
     *
     * @return int
     */
    public function getLength()
    {
        return Integer::getModulo($this->instanceID)->getLength();
    }

    /**
     *  Destructor
     */
    public function __destruct()
    {
        Integer::cleanupCache($this->instanceID);
    }
}
PK     C‰U]Ú…ž'  '  H  vendor/phpseclib/phpseclib/phpseclib/Math/Common/FiniteField/Integer.phpnu „[µü¤        <?php

/**
 * Finite Field Integer Base Class
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math\Common\FiniteField;

/**
 * Finite Field Integer
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class Integer implements \JsonSerializable
{
    /**
     * JSON Serialize
     *
     * Will be called, automatically, when json_encode() is called on a BigInteger object.
     *
     * PHP Serialize isn't supported because unserializing would require the factory be
     * serialized as well and that just sounds like too much
     */
    #[\ReturnTypeWillChange]
    public function jsonSerialize()
    {
        return ['hex' => $this->toHex(true)];
    }

    /**
     * Converts an Integer to a hex string (eg. base-16).
     *
     * @return string
     */
    abstract public function toHex();
}
PK     C‰U]Á´3Ç  Ç  @  vendor/phpseclib/phpseclib/phpseclib/Math/Common/FiniteField.phpnu „[µü¤        <?php

/**
 * Finite Fields Base Class
 *
 * PHP version 5 and 7
 *
 * @category  Math
 * @package   BigInteger
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2017 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 */

namespace phpseclib3\Math\Common;

/**
 * Finite Fields
 *
 * @package Math
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
abstract class FiniteField
{
}
PK     C‰U]Ýh   h   0  vendor/phpseclib/phpseclib/phpseclib/openssl.cnfnu „[µü¤        # minimalist openssl.cnf file for use with phpseclib

HOME			= .
RANDFILE		= $ENV::HOME/.rnd

[ v3_ca ]
PK     C‰U]Óù™é7  7  A  vendor/phpseclib/phpseclib/phpseclib/Common/Functions/Strings.phpnu „[µü¤        <?php

/**
 * Common String Functions
 *
 * PHP version 5
 *
 * @category  Common
 * @package   Functions\Strings
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2016 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\Common\Functions;

use phpseclib3\Math\BigInteger;
use phpseclib3\Math\Common\FiniteField;

/**
 * Common String Functions
 *
 * @package Functions\Strings
 * @author  Jim Wigginton <terrafrost@php.net>
 */
abstract class Strings
{
    /**
     * String Shift
     *
     * Inspired by array_shift
     *
     * @param string $string
     * @param int $index
     * @access public
     * @return string
     */
    public static function shift(&$string, $index = 1)
    {
        $substr = substr($string, 0, $index);
        $string = substr($string, $index);
        return $substr;
    }

    /**
     * String Pop
     *
     * Inspired by array_pop
     *
     * @param string $string
     * @param int $index
     * @access public
     * @return string
     */
    public static function pop(&$string, $index = 1)
    {
        $substr = substr($string, -$index);
        $string = substr($string, 0, -$index);
        return $substr;
    }

    /**
     * Parse SSH2-style string
     *
     * Returns either an array or a boolean if $data is malformed.
     *
     * Valid characters for $format are as follows:
     *
     * C = byte
     * b = boolean (true/false)
     * N = uint32
     * Q = uint64
     * s = string
     * i = mpint
     * L = name-list
     *
     * uint64 is not supported.
     *
     * @param string $format
     * @param string $data
     * @return mixed
     */
    public static function unpackSSH2($format, &$data)
    {
        $format = self::formatPack($format);
        $result = [];
        for ($i = 0; $i < strlen($format); $i++) {
            switch ($format[$i]) {
                case 'C':
                case 'b':
                    if (!strlen($data)) {
                        throw new \LengthException('At least one byte needs to be present for successful C / b decodes');
                    }
                    break;
                case 'N':
                case 'i':
                case 's':
                case 'L':
                    if (strlen($data) < 4) {
                        throw new \LengthException('At least four byte needs to be present for successful N / i / s / L decodes');
                    }
                    break;
                case 'Q':
                    if (strlen($data) < 8) {
                        throw new \LengthException('At least eight byte needs to be present for successful N / i / s / L decodes');
                    }
                    break;

                default:
                    throw new \InvalidArgumentException('$format contains an invalid character');
            }
            switch ($format[$i]) {
                case 'C':
                    $result[] = ord(self::shift($data));
                    continue 2;
                case 'b':
                    $result[] = ord(self::shift($data)) != 0;
                    continue 2;
                case 'N':
                    list(, $temp) = unpack('N', self::shift($data, 4));
                    $result[] = $temp;
                    continue 2;
                case 'Q':
                    // pack() added support for Q in PHP 5.6.3 and PHP 5.6 is phpseclib 3's minimum version
                    // so in theory we could support this BUT, "64-bit format codes are not available for
                    // 32-bit versions" and phpseclib works on 32-bit installs. on 32-bit installs
                    // 64-bit floats can be used to get larger numbers then 32-bit signed ints would allow
                    // for. sure, you're not gonna get the full precision of 64-bit numbers but just because
                    // you need > 32-bit precision doesn't mean you need the full 64-bit precision
                    extract(unpack('Nupper/Nlower', self::shift($data, 8)));
                    $temp = $upper ? 4294967296 * $upper : 0;
                    $temp += $lower < 0 ? ($lower & 0x7FFFFFFFF) + 0x80000000 : $lower;
                    // $temp = hexdec(bin2hex(self::shift($data, 8)));
                    $result[] = $temp;
                    continue 2;
            }
            list(, $length) = unpack('N', self::shift($data, 4));
            if (strlen($data) < $length) {
                throw new \LengthException("$length bytes needed; " . strlen($data) . ' bytes available');
            }
            $temp = self::shift($data, $length);
            switch ($format[$i]) {
                case 'i':
                    $result[] = new BigInteger($temp, -256);
                    break;
                case 's':
                    $result[] = $temp;
                    break;
                case 'L':
                    $result[] = explode(',', $temp);
            }
        }

        return $result;
    }

    /**
     * Create SSH2-style string
     *
     * @param string $format
     * @param string|int|float|array|bool ...$elements
     * @access public
     * @return string
     */
    public static function packSSH2($format, ...$elements)
    {
        $format = self::formatPack($format);
        if (strlen($format) != count($elements)) {
            throw new \InvalidArgumentException('There must be as many arguments as there are characters in the $format string');
        }
        $result = '';
        for ($i = 0; $i < strlen($format); $i++) {
            $element = $elements[$i];
            switch ($format[$i]) {
                case 'C':
                    if (!is_int($element)) {
                        throw new \InvalidArgumentException('Bytes must be represented as an integer between 0 and 255, inclusive.');
                    }
                    $result .= pack('C', $element);
                    break;
                case 'b':
                    if (!is_bool($element)) {
                        throw new \InvalidArgumentException('A boolean parameter was expected.');
                    }
                    $result .= $element ? "\1" : "\0";
                    break;
                case 'Q':
                    if (!is_int($element) && !is_float($element)) {
                        throw new \InvalidArgumentException('An integer was expected.');
                    }
                    // 4294967296 == 1 << 32
                    $result .= pack('NN', $element / 4294967296, $element);
                    break;
                case 'N':
                    if (is_float($element)) {
                        $element = (int) $element;
                    }
                    if (!is_int($element)) {
                        throw new \InvalidArgumentException('An integer was expected.');
                    }
                    $result .= pack('N', $element);
                    break;
                case 's':
                    if (!self::is_stringable($element)) {
                        throw new \InvalidArgumentException('A string was expected.');
                    }
                    $result .= pack('Na*', strlen($element), $element);
                    break;
                case 'i':
                    if (!$element instanceof BigInteger && !$element instanceof FiniteField\Integer) {
                        throw new \InvalidArgumentException('A phpseclib3\Math\BigInteger or phpseclib3\Math\Common\FiniteField\Integer object was expected.');
                    }
                    $element = $element->toBytes(true);
                    $result .= pack('Na*', strlen($element), $element);
                    break;
                case 'L':
                    if (!is_array($element)) {
                        throw new \InvalidArgumentException('An array was expected.');
                    }
                    $element = implode(',', $element);
                    $result .= pack('Na*', strlen($element), $element);
                    break;
                default:
                    throw new \InvalidArgumentException('$format contains an invalid character');
            }
        }
        return $result;
    }

    /**
     * Expand a pack string
     *
     * Converts C5 to CCCCC, for example.
     *
     * @access private
     * @param string $format
     * @return string
     */
    private static function formatPack($format)
    {
        $parts = preg_split('#(\d+)#', $format, -1, PREG_SPLIT_DELIM_CAPTURE);
        $format = '';
        for ($i = 1; $i < count($parts); $i += 2) {
            $format .= substr($parts[$i - 1], 0, -1) . str_repeat(substr($parts[$i - 1], -1), $parts[$i]);
        }
        $format .= $parts[$i - 1];

        return $format;
    }

    /**
     * Convert binary data into bits
     *
     * bin2hex / hex2bin refer to base-256 encoded data as binary, whilst
     * decbin / bindec refer to base-2 encoded data as binary. For the purposes
     * of this function, bin refers to base-256 encoded data whilst bits refers
     * to base-2 encoded data
     *
     * @access public
     * @param string $x
     * @return string
     */
    public static function bits2bin($x)
    {
        /*
        // the pure-PHP approach is faster than the GMP approach
        if (function_exists('gmp_export')) {
             return strlen($x) ? gmp_export(gmp_init($x, 2)) : gmp_init(0);
        }
        */

        if (preg_match('#[^01]#', $x)) {
            throw new \RuntimeException('The only valid characters are 0 and 1');
        }

        if (!defined('PHP_INT_MIN')) {
            define('PHP_INT_MIN', ~PHP_INT_MAX);
        }

        $length = strlen($x);
        if (!$length) {
            return '';
        }
        $block_size = PHP_INT_SIZE << 3;
        $pad = $block_size - ($length % $block_size);
        if ($pad != $block_size) {
            $x = str_repeat('0', $pad) . $x;
        }

        $parts = str_split($x, $block_size);
        $str = '';
        foreach ($parts as $part) {
            $xor = $part[0] == '1' ? PHP_INT_MIN : 0;
            $part[0] = '0';
            $str .= pack(
                PHP_INT_SIZE == 4 ? 'N' : 'J',
                $xor ^ eval('return 0b' . $part . ';')
            );
        }
        return ltrim($str, "\0");
    }

    /**
     * Convert bits to binary data
     *
     * @access public
     * @param string $x
     * @return string
     */
    public static function bin2bits($x, $trim = true)
    {
        /*
        // the pure-PHP approach is slower than the GMP approach BUT
        // i want to the pure-PHP version to be easily unit tested as well
        if (function_exists('gmp_import')) {
            return gmp_strval(gmp_import($x), 2);
        }
        */

        $len = strlen($x);
        $mod = $len % PHP_INT_SIZE;
        if ($mod) {
            $x = str_pad($x, $len + PHP_INT_SIZE - $mod, "\0", STR_PAD_LEFT);
        }

        $bits = '';
        if (PHP_INT_SIZE == 4) {
            $digits = unpack('N*', $x);
            foreach ($digits as $digit) {
                $bits .= sprintf('%032b', $digit);
            }
        } else {
            $digits = unpack('J*', $x);
            foreach ($digits as $digit) {
                $bits .= sprintf('%064b', $digit);
            }
        }

        return $trim ? ltrim($bits, '0') : $bits;
    }

    /**
     * Switch Endianness Bit Order
     *
     * @access public
     * @param string $x
     * @return string
     */
    public static function switchEndianness($x)
    {
        $r = '';
        for ($i = strlen($x) - 1; $i >= 0; $i--) {
            $b = ord($x[$i]);
            if (PHP_INT_SIZE === 8) {
                // 3 operations
                // from http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith64BitsDiv
                $r .= chr((($b * 0x0202020202) & 0x010884422010) % 1023);
            } else {
                // 7 operations
                // from http://graphics.stanford.edu/~seander/bithacks.html#ReverseByteWith32Bits
                $p1 = ($b * 0x0802) & 0x22110;
                $p2 = ($b * 0x8020) & 0x88440;
                $r .= chr(
                    (($p1 | $p2) * 0x10101) >> 16
                );
            }
        }
        return $r;
    }

    /**
     * Increment the current string
     *
     * @param string $var
     * @return string
     * @access public
     */
    public static function increment_str(&$var)
    {
        if (function_exists('sodium_increment')) {
            $var = strrev($var);
            sodium_increment($var);
            $var = strrev($var);
            return $var;
        }

        for ($i = 4; $i <= strlen($var); $i += 4) {
            $temp = substr($var, -$i, 4);
            switch ($temp) {
                case "\xFF\xFF\xFF\xFF":
                    $var = substr_replace($var, "\x00\x00\x00\x00", -$i, 4);
                    break;
                case "\x7F\xFF\xFF\xFF":
                    $var = substr_replace($var, "\x80\x00\x00\x00", -$i, 4);
                    return $var;
                default:
                    $temp = unpack('Nnum', $temp);
                    $var = substr_replace($var, pack('N', $temp['num'] + 1), -$i, 4);
                    return $var;
            }
        }

        $remainder = strlen($var) % 4;

        if ($remainder == 0) {
            return $var;
        }

        $temp = unpack('Nnum', str_pad(substr($var, 0, $remainder), 4, "\0", STR_PAD_LEFT));
        $temp = substr(pack('N', $temp['num'] + 1), -$remainder);
        $var = substr_replace($var, $temp, 0, $remainder);

        return $var;
    }

    /**
     * Find whether the type of a variable is string (or could be converted to one)
     *
     * @param mixed $var
     * @return bool
     * @psalm-assert-if-true string|\Stringable $var
     */
    public static function is_stringable($var)
    {
        return is_string($var) || (is_object($var) && method_exists($var, '__toString'));
    }
}
PK     C‰U]•yå  å  2  vendor/phpseclib/phpseclib/phpseclib/bootstrap.phpnu „[µü¤        <?php

/**
 * Bootstrapping File for phpseclib
 *
 * composer isn't a requirement for phpseclib 2.0 but this file isn't really required
 * either. it's a bonus for those using composer but if you're not phpseclib will
 * still work
 *
 * @license http://www.opensource.org/licenses/mit-license.html MIT License
 */

if (extension_loaded('mbstring')) {
    // 2 - MB_OVERLOAD_STRING
    // mbstring.func_overload is deprecated in php 7.2 and removed in php 8.0.
    if (version_compare(PHP_VERSION, '8.0.0') < 0 && ini_get('mbstring.func_overload') & 2) {
        throw new UnexpectedValueException(
            'Overloading of string functions using mbstring.func_overload ' .
            'is not supported by phpseclib.'
        );
    }
}
PK     C‰U]ŸÛïê   ê   9  vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.phpnu „[µü¤        <?php

/**
 * Pure-PHP ssh-agent client.
 *
 * {@internal See http://api.libssh.org/rfc/PROTOCOL.agent}
 *
 * PHP version 5
 *
 * Here are some examples of how to use this library:
 * <code>
 * <?php
 *    include 'vendor/autoload.php';
 *
 *    $agent = new \phpseclib3\System\SSH\Agent();
 *
 *    $ssh = new \phpseclib3\Net\SSH2('www.domain.tld');
 *    if (!$ssh->login('username', $agent)) {
 *        exit('Login Failed');
 *    }
 *
 *    echo $ssh->exec('pwd');
 *    echo $ssh->exec('ls -la');
 * ?>
 * </code>
 *
 * @category  System
 * @package   SSH\Agent
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2014 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\System\SSH;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\PublicKeyLoader;
use phpseclib3\Crypt\RSA;
use phpseclib3\Exception\BadConfigurationException;
use phpseclib3\System\SSH\Agent\Identity;

/**
 * Pure-PHP ssh-agent client identity factory
 *
 * requestIdentities() method pumps out \phpseclib3\System\SSH\Agent\Identity objects
 *
 * @package SSH\Agent
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
class Agent
{
    use Common\Traits\ReadBytes;

    // Message numbers

    // to request SSH1 keys you have to use SSH_AGENTC_REQUEST_RSA_IDENTITIES (1)
    const SSH_AGENTC_REQUEST_IDENTITIES = 11;
    // this is the SSH2 response; the SSH1 response is SSH_AGENT_RSA_IDENTITIES_ANSWER (2).
    const SSH_AGENT_IDENTITIES_ANSWER = 12;
    // the SSH1 request is SSH_AGENTC_RSA_CHALLENGE (3)
    const SSH_AGENTC_SIGN_REQUEST = 13;
    // the SSH1 response is SSH_AGENT_RSA_RESPONSE (4)
    const SSH_AGENT_SIGN_RESPONSE = 14;

    // Agent forwarding status

    // no forwarding requested and not active
    const FORWARD_NONE = 0;
    // request agent forwarding when opportune
    const FORWARD_REQUEST = 1;
    // forwarding has been request and is active
    const FORWARD_ACTIVE = 2;

    /**
     * Unused
     */
    const SSH_AGENT_FAILURE = 5;

    /**
     * Socket Resource
     *
     * @var resource
     * @access private
     */
    private $fsock;

    /**
     * Agent forwarding status
     *
     * @var int
     * @access private
     */
    private $forward_status = self::FORWARD_NONE;

    /**
     * Buffer for accumulating forwarded authentication
     * agent data arriving on SSH data channel destined
     * for agent unix socket
     *
     * @var string
     * @access private
     */
    private $socket_buffer = '';

    /**
     * Tracking the number of bytes we are expecting
     * to arrive for the agent socket on the SSH data
     * channel
     *
     * @var int
     * @access private
     */
    private $expected_bytes = 0;

    /**
     * The current request channel
     *
     * @var int
     * @access private
     */
    private $request_channel;

    /**
     * Default Constructor
     *
     * @return \phpseclib3\System\SSH\Agent
     * @throws \phpseclib3\Exception\BadConfigurationException if SSH_AUTH_SOCK cannot be found
     * @throws \RuntimeException on connection errors
     * @access public
     */
    public function __construct($address = null)
    {
        if (!$address) {
            switch (true) {
                case isset($_SERVER['SSH_AUTH_SOCK']):
                    $address = $_SERVER['SSH_AUTH_SOCK'];
                    break;
                case isset($_ENV['SSH_AUTH_SOCK']):
                    $address = $_ENV['SSH_AUTH_SOCK'];
                    break;
                default:
                    throw new BadConfigurationException('SSH_AUTH_SOCK not found');
            }
        }

        $this->fsock = fsockopen('unix://' . $address, 0, $errno, $errstr);
        if (!$this->fsock) {
            throw new \RuntimeException("Unable to connect to ssh-agent (Error $errno: $errstr)");
        }
    }

    /**
     * Request Identities
     *
     * See "2.5.2 Requesting a list of protocol 2 keys"
     * Returns an array containing zero or more \phpseclib3\System\SSH\Agent\Identity objects
     *
     * @return array
     * @throws \RuntimeException on receipt of unexpected packets
     * @access public
     */
    public function requestIdentities()
    {
        if (!$this->fsock) {
            return [];
        }

        $packet = pack('NC', 1, self::SSH_AGENTC_REQUEST_IDENTITIES);
        if (strlen($packet) != fputs($this->fsock, $packet)) {
            throw new \RuntimeException('Connection closed while requesting identities');
        }

        $length = current(unpack('N', $this->readBytes(4)));
        $packet = $this->readBytes($length);

        list($type, $keyCount) = Strings::unpackSSH2('CN', $packet);
        if ($type != self::SSH_AGENT_IDENTITIES_ANSWER) {
            throw new \RuntimeException('Unable to request identities');
        }

        $identities = [];
        for ($i = 0; $i < $keyCount; $i++) {
            list($key_blob, $comment) = Strings::unpackSSH2('ss', $packet);
            $temp = $key_blob;
            list($key_type) = Strings::unpackSSH2('s', $temp);
            switch ($key_type) {
                case 'ssh-rsa':
                case 'ssh-dss':
                case 'ssh-ed25519':
                case 'ecdsa-sha2-nistp256':
                case 'ecdsa-sha2-nistp384':
                case 'ecdsa-sha2-nistp521':
                    $key = PublicKeyLoader::load($key_type . ' ' . base64_encode($key_blob));
            }
            // resources are passed by reference by default
            if (isset($key)) {
                $identity = (new Identity($this->fsock))
                    ->withPublicKey($key)
                    ->withPublicKeyBlob($key_blob);
                $identities[] = $identity;
                unset($key);
            }
        }

        return $identities;
    }

    /**
     * Signal that agent forwarding should
     * be requested when a channel is opened
     *
     * @return void
     * @access public
     */
    public function startSSHForwarding()
    {
        if ($this->forward_status == self::FORWARD_NONE) {
            $this->forward_status = self::FORWARD_REQUEST;
        }
    }

    /**
     * Request agent forwarding of remote server
     *
     * @param \phpseclib3\Net\SSH2 $ssh
     * @return bool
     * @access private
     */
    private function request_forwarding($ssh)
    {
        if (!$ssh->requestAgentForwarding()) {
            return false;
        }

        $this->forward_status = self::FORWARD_ACTIVE;

        return true;
    }

    /**
     * On successful channel open
     *
     * This method is called upon successful channel
     * open to give the SSH Agent an opportunity
     * to take further action. i.e. request agent forwarding
     *
     * @param \phpseclib3\Net\SSH2 $ssh
     * @access private
     */
    public function registerChannelOpen($ssh)
    {
        if ($this->forward_status == self::FORWARD_REQUEST) {
            $this->request_forwarding($ssh);
        }
    }

    /**
     * Forward data to SSH Agent and return data reply
     *
     * @param string $data
     * @return string Data from SSH Agent
     * @throws \RuntimeException on connection errors
     * @access public
     */
    public function forwardData($data)
    {
        if ($this->expected_bytes > 0) {
            $this->socket_buffer .= $data;
            $this->expected_bytes -= strlen($data);
        } else {
            $agent_data_bytes = current(unpack('N', $data));
            $current_data_bytes = strlen($data);
            $this->socket_buffer = $data;
            if ($current_data_bytes != $agent_data_bytes + 4) {
                $this->expected_bytes = ($agent_data_bytes + 4) - $current_data_bytes;
                return false;
            }
        }

        if (strlen($this->socket_buffer) != fwrite($this->fsock, $this->socket_buffer)) {
            throw new \RuntimeException('Connection closed attempting to forward data to SSH agent');
        }

        $this->socket_buffer = '';
        $this->expected_bytes = 0;

        $agent_reply_bytes = current(unpack('N', $this->readBytes(4)));

        $agent_reply_data = $this->readBytes($agent_reply_bytes);
        $agent_reply_data = current(unpack('a*', $agent_reply_data));

        return pack('Na*', $agent_reply_bytes, $agent_reply_data);
    }
}
PK     C‰U]:üƒu  u  K  vendor/phpseclib/phpseclib/phpseclib/System/SSH/Common/Traits/ReadBytes.phpnu „[µü¤        <?php

/**
 * ReadBytes trait
 *
 * PHP version 5
 *
 * @category  System
 * @package   SSH
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2015 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\System\SSH\Common\Traits;

/**
 * ReadBytes trait
 *
 * @package SSH
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  public
 */
trait ReadBytes
{
    /**
     * Read data
     *
     * @param int $length
     * @throws \RuntimeException on connection errors
     * @access public
     */
    public function readBytes($length)
    {
        $temp = fread($this->fsock, $length);
        if (strlen($temp) != $length) {
            throw new \RuntimeException("Expected $length bytes; got " . strlen($temp));
        }
        return $temp;
    }
}
PK     D‰U]hDÂn#  n#  B  vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent/Identity.phpnu „[µü¤        <?php

/**
 * Pure-PHP ssh-agent client.
 *
 * {@internal See http://api.libssh.org/rfc/PROTOCOL.agent}
 *
 * PHP version 5
 *
 * @category  System
 * @package   SSH\Agent
 * @author    Jim Wigginton <terrafrost@php.net>
 * @copyright 2009 Jim Wigginton
 * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link      http://phpseclib.sourceforge.net
 */

namespace phpseclib3\System\SSH\Agent;

use phpseclib3\Common\Functions\Strings;
use phpseclib3\Crypt\Common\PrivateKey;
use phpseclib3\Crypt\Common\PublicKey;
use phpseclib3\Crypt\DSA;
use phpseclib3\Crypt\EC;
use phpseclib3\Crypt\RSA;
use phpseclib3\Exception\UnsupportedAlgorithmException;
use phpseclib3\System\SSH\Agent;

/**
 * Pure-PHP ssh-agent client identity object
 *
 * Instantiation should only be performed by \phpseclib3\System\SSH\Agent class.
 * This could be thought of as implementing an interface that phpseclib3\Crypt\RSA
 * implements. ie. maybe a Net_SSH_Auth_PublicKey interface or something.
 * The methods in this interface would be getPublicKey and sign since those are the
 * methods phpseclib looks for to perform public key authentication.
 *
 * @package SSH\Agent
 * @author  Jim Wigginton <terrafrost@php.net>
 * @access  internal
 */
class Identity implements PrivateKey
{
    use \phpseclib3\System\SSH\Common\Traits\ReadBytes;

    // Signature Flags
    // See https://tools.ietf.org/html/draft-miller-ssh-agent-00#section-5.3
    const SSH_AGENT_RSA2_256 = 2;
    const SSH_AGENT_RSA2_512 = 4;

    /**
     * Key Object
     *
     * @var PublicKey
     * @access private
     * @see self::getPublicKey()
     */
    private $key;

    /**
     * Key Blob
     *
     * @var string
     * @access private
     * @see self::sign()
     */
    private $key_blob;

    /**
     * Socket Resource
     *
     * @var resource
     * @access private
     * @see self::sign()
     */
    private $fsock;

    /**
     * Signature flags
     *
     * @var int
     * @access private
     * @see self::sign()
     * @see self::setHash()
     */
    private $flags = 0;

    /**
     * Curve Aliases
     *
     * @var array
     * @access private
     */
    private static $curveAliases = [
        'secp256r1' => 'nistp256',
        'secp384r1' => 'nistp384',
        'secp521r1' => 'nistp521',
        'Ed25519' => 'Ed25519'
    ];

    /**
     * Default Constructor.
     *
     * @param resource $fsock
     * @access private
     */
    public function __construct($fsock)
    {
        $this->fsock = $fsock;
    }

    /**
     * Set Public Key
     *
     * Called by \phpseclib3\System\SSH\Agent::requestIdentities()
     *
     * @param \phpseclib3\Crypt\Common\PublicKey $key
     * @access private
     */
    public function withPublicKey($key)
    {
        if ($key instanceof EC) {
            if (is_array($key->getCurve()) || !isset(self::$curveAliases[$key->getCurve()])) {
                throw new UnsupportedAlgorithmException('The only supported curves are nistp256, nistp384, nistp512 and Ed25519');
            }
        }

        $new = clone $this;
        $new->key = $key;
        return $new;
    }

    /**
     * Set Public Key
     *
     * Called by \phpseclib3\System\SSH\Agent::requestIdentities(). The key blob could be extracted from $this->key
     * but this saves a small amount of computation.
     *
     * @param string $key_blob
     * @access private
     */
    public function withPublicKeyBlob($key_blob)
    {
        $new = clone $this;
        $new->key_blob = $key_blob;
        return $new;
    }

    /**
     * Get Public Key
     *
     * Wrapper for $this->key->getPublicKey()
     *
     * @param string $type optional
     * @return mixed
     * @access public
     */
    public function getPublicKey($type = 'PKCS8')
    {
        return $this->key;
    }

    /**
     * Sets the hash
     *
     * @param string $hash
     * @access public
     */
    public function withHash($hash)
    {
        $new = clone $this;

        $hash = strtolower($hash);

        if ($this->key instanceof RSA) {
            $new->flags = 0;
            switch ($hash) {
                case 'sha1':
                    break;
                case 'sha256':
                    $new->flags = self::SSH_AGENT_RSA2_256;
                    break;
                case 'sha512':
                    $new->flags = self::SSH_AGENT_RSA2_512;
                    break;
                default:
                    throw new UnsupportedAlgorithmException('The only supported hashes for RSA are sha1, sha256 and sha512');
            }
        }
        if ($this->key instanceof EC) {
            switch ($this->key->getCurve()) {
                case 'secp256r1':
                    $expectedHash = 'sha256';
                    break;
                case 'secp384r1':
                    $expectedHash = 'sha384';
                    break;
                //case 'secp521r1':
                //case 'Ed25519':
                default:
                    $expectedHash = 'sha512';
            }
            if ($hash != $expectedHash) {
                throw new UnsupportedAlgorithmException('The only supported hash for ' . self::$curveAliases[$this->key->getCurve()] . ' is ' . $expectedHash);
            }
        }
        if ($this->key instanceof DSA) {
            if ($hash != 'sha1') {
                throw new UnsupportedAlgorithmException('The only supported hash for DSA is sha1');
            }
        }
        return $new;
    }

    /**
     * Sets the padding
     *
     * Only PKCS1 padding is supported
     *
     * @param string $padding
     * @access public
     */
    public function withPadding($padding)
    {
        if (!$this->key instanceof RSA) {
            throw new UnsupportedAlgorithmException('Only RSA keys support padding');
        }
        if ($padding != RSA::SIGNATURE_PKCS1 && $padding != RSA::SIGNATURE_RELAXED_PKCS1) {
            throw new UnsupportedAlgorithmException('ssh-agent can only create PKCS1 signatures');
        }
        return $this;
    }

    /**
     * Determines the signature padding mode
     *
     * Valid values are: ASN1, SSH2, Raw
     *
     * @access public
     * @param string $format
     */
    public function withSignatureFormat($format)
    {
        if ($this->key instanceof RSA) {
            throw new UnsupportedAlgorithmException('Only DSA and EC keys support signature format setting');
        }
        if ($format != 'SSH2') {
            throw new UnsupportedAlgorithmException('Only SSH2-formatted signatures are currently supported');
        }

        return $this;
    }

    /**
     * Returns the curve
     *
     * Returns a string if it's a named curve, an array if not
     *
     * @access public
     * @return string|array
     */
    public function getCurve()
    {
        if (!$this->key instanceof EC) {
            throw new UnsupportedAlgorithmException('Only EC keys have curves');
        }

        return $this->key->getCurve();
    }

    /**
     * Create a signature
     *
     * See "2.6.2 Protocol 2 private key signature request"
     *
     * @param string $message
     * @return string
     * @throws \RuntimeException on connection errors
     * @throws \phpseclib3\Exception\UnsupportedAlgorithmException if the algorithm is unsupported
     * @access public
     */
    public function sign($message)
    {
        // the last parameter (currently 0) is for flags and ssh-agent only defines one flag (for ssh-dss): SSH_AGENT_OLD_SIGNATURE
        $packet = Strings::packSSH2(
            'CssN',
            Agent::SSH_AGENTC_SIGN_REQUEST,
            $this->key_blob,
            $message,
            $this->flags
        );
        $packet = Strings::packSSH2('s', $packet);
        if (strlen($packet) != fputs($this->fsock, $packet)) {
            throw new \RuntimeException('Connection closed during signing');
        }

        $length = current(unpack('N', $this->readBytes(4)));
        $packet = $this->readBytes($length);

        list($type, $signature_blob) = Strings::unpackSSH2('Cs', $packet);
        if ($type != Agent::SSH_AGENT_SIGN_RESPONSE) {
            throw new \RuntimeException('Unable to retrieve signature');
        }

        if (!$this->key instanceof RSA) {
            return $signature_blob;
        }

        list($type, $signature_blob) = Strings::unpackSSH2('ss', $signature_blob);

        return $signature_blob;
    }

    /**
     * Returns the private key
     *
     * @param string $type
     * @param array $options optional
     * @return string
     */
    public function toString($type, array $options = [])
    {
        throw new \RuntimeException('ssh-agent does not provide a mechanism to get the private key');
    }

    /**
     * Sets the password
     *
     * @access public
     * @param string|bool $password
     * @return never
     */
    public function withPassword($password = false)
    {
        throw new \RuntimeException('ssh-agent does not provide a mechanism to get the private key');
    }
}
PK     D‰U]Ka·8  8  &  vendor/ralouphie/getallheaders/LICENSEnu „[µü¤        The MIT License (MIT)

Copyright (c) 2014 Ralph Khattar

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
PK     D‰U]±»ëzh  h  4  vendor/ralouphie/getallheaders/src/getallheaders.phpnu „[µü¤        <?php

if (!function_exists('getallheaders')) {

    /**
     * Get all HTTP header key/values as an associative array for the current request.
     *
     * @return string[string] The HTTP header key/value pairs.
     */
    function getallheaders()
    {
        $headers = array();

        $copy_server = array(
            'CONTENT_TYPE'   => 'Content-Type',
            'CONTENT_LENGTH' => 'Content-Length',
            'CONTENT_MD5'    => 'Content-Md5',
        );

        foreach ($_SERVER as $key => $value) {
            if (substr($key, 0, 5) === 'HTTP_') {
                $key = substr($key, 5);
                if (!isset($copy_server[$key]) || !isset($_SERVER[$key])) {
                    $key = str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', $key))));
                    $headers[$key] = $value;
                }
            } elseif (isset($copy_server[$key])) {
                $headers[$copy_server[$key]] = $value;
            }
        }

        if (!isset($headers['Authorization'])) {
            if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) {
                $headers['Authorization'] = $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
            } elseif (isset($_SERVER['PHP_AUTH_USER'])) {
                $basic_pass = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : '';
                $headers['Authorization'] = 'Basic ' . base64_encode($_SERVER['PHP_AUTH_USER'] . ':' . $basic_pass);
            } elseif (isset($_SERVER['PHP_AUTH_DIGEST'])) {
                $headers['Authorization'] = $_SERVER['PHP_AUTH_DIGEST'];
            }
        }

        return $headers;
    }

}
PK     D‰U]rgòáð  ð  1  vendor/symfony/deprecation-contracts/function.phpnu „[µü¤        <?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

if (!function_exists('trigger_deprecation')) {
    /**
     * Triggers a silenced deprecation notice.
     *
     * @param string $package The name of the Composer package that is triggering the deprecation
     * @param string $version The version of the package that introduced the deprecation
     * @param string $message The message of the deprecation
     * @param mixed  ...$args Values to insert in the message using printf() formatting
     *
     * @author Nicolas Grekas <p@tchwork.com>
     */
    function trigger_deprecation(string $package, string $version, string $message, ...$args): void
    {
        @trigger_error(($package || $version ? "Since $package $version: " : '').($args ? vsprintf($message, $args) : $message), \E_USER_DEPRECATED);
    }
}
PK     D‰U]î‰2)  )  ,  vendor/symfony/deprecation-contracts/LICENSEnu „[µü¤        Copyright (c) 2020-2022 Fabien Potencier

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     D‰U]³â#ù  ù    vendor/firebase/php-jwt/LICENSEnu „[µü¤        Copyright (c) 2011, Neuman Vong

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.

    * Neither the name of the copyright holder nor the names of other
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
PK     D‰U]“áÌ“^  ^  ,  vendor/firebase/php-jwt/src/CachedKeySet.phpnu „[µü¤        <?php

namespace Firebase\JWT;

use ArrayAccess;
use LogicException;
use OutOfBoundsException;
use Psr\Cache\CacheItemInterface;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Http\Client\ClientInterface;
use Psr\Http\Message\RequestFactoryInterface;
use RuntimeException;

/**
 * @implements ArrayAccess<string, Key>
 */
class CachedKeySet implements ArrayAccess
{
    /**
     * @var string
     */
    private $jwksUri;
    /**
     * @var ClientInterface
     */
    private $httpClient;
    /**
     * @var RequestFactoryInterface
     */
    private $httpFactory;
    /**
     * @var CacheItemPoolInterface
     */
    private $cache;
    /**
     * @var ?int
     */
    private $expiresAfter;
    /**
     * @var ?CacheItemInterface
     */
    private $cacheItem;
    /**
     * @var array<string, Key>
     */
    private $keySet;
    /**
     * @var string
     */
    private $cacheKey;
    /**
     * @var string
     */
    private $cacheKeyPrefix = 'jwks';
    /**
     * @var int
     */
    private $maxKeyLength = 64;
    /**
     * @var bool
     */
    private $rateLimit;
    /**
     * @var string
     */
    private $rateLimitCacheKey;
    /**
     * @var int
     */
    private $maxCallsPerMinute = 10;
    /**
     * @var string|null
     */
    private $defaultAlg;

    public function __construct(
        string $jwksUri,
        ClientInterface $httpClient,
        RequestFactoryInterface $httpFactory,
        CacheItemPoolInterface $cache,
        int $expiresAfter = null,
        bool $rateLimit = false,
        string $defaultAlg = null
    ) {
        $this->jwksUri = $jwksUri;
        $this->httpClient = $httpClient;
        $this->httpFactory = $httpFactory;
        $this->cache = $cache;
        $this->expiresAfter = $expiresAfter;
        $this->rateLimit = $rateLimit;
        $this->defaultAlg = $defaultAlg;
        $this->setCacheKeys();
    }

    /**
     * @param string $keyId
     * @return Key
     */
    public function offsetGet($keyId): Key
    {
        if (!$this->keyIdExists($keyId)) {
            throw new OutOfBoundsException('Key ID not found');
        }
        return $this->keySet[$keyId];
    }

    /**
     * @param string $keyId
     * @return bool
     */
    public function offsetExists($keyId): bool
    {
        return $this->keyIdExists($keyId);
    }

    /**
     * @param string $offset
     * @param Key $value
     */
    public function offsetSet($offset, $value): void
    {
        throw new LogicException('Method not implemented');
    }

    /**
     * @param string $offset
     */
    public function offsetUnset($offset): void
    {
        throw new LogicException('Method not implemented');
    }

    private function keyIdExists(string $keyId): bool
    {
        $keySetToCache = null;
        if (null === $this->keySet) {
            $item = $this->getCacheItem();
            // Try to load keys from cache
            if ($item->isHit()) {
                // item found! Return it
                $this->keySet = $item->get();
            }
        }

        if (!isset($this->keySet[$keyId])) {
            if ($this->rateLimitExceeded()) {
                return false;
            }
            $request = $this->httpFactory->createRequest('get', $this->jwksUri);
            $jwksResponse = $this->httpClient->sendRequest($request);
            $jwks = json_decode((string) $jwksResponse->getBody(), true);
            $this->keySet = $keySetToCache = JWK::parseKeySet($jwks, $this->defaultAlg);

            if (!isset($this->keySet[$keyId])) {
                return false;
            }
        }

        if ($keySetToCache) {
            $item = $this->getCacheItem();
            $item->set($keySetToCache);
            if ($this->expiresAfter) {
                $item->expiresAfter($this->expiresAfter);
            }
            $this->cache->save($item);
        }

        return true;
    }

    private function rateLimitExceeded(): bool
    {
        if (!$this->rateLimit) {
            return false;
        }

        $cacheItem = $this->cache->getItem($this->rateLimitCacheKey);
        if (!$cacheItem->isHit()) {
            $cacheItem->expiresAfter(1); // # of calls are cached each minute
        }

        $callsPerMinute = (int) $cacheItem->get();
        if (++$callsPerMinute > $this->maxCallsPerMinute) {
            return true;
        }
        $cacheItem->set($callsPerMinute);
        $this->cache->save($cacheItem);
        return false;
    }

    private function getCacheItem(): CacheItemInterface
    {
        if (\is_null($this->cacheItem)) {
            $this->cacheItem = $this->cache->getItem($this->cacheKey);
        }

        return $this->cacheItem;
    }

    private function setCacheKeys(): void
    {
        if (empty($this->jwksUri)) {
            throw new RuntimeException('JWKS URI is empty');
        }

        // ensure we do not have illegal characters
        $key = preg_replace('|[^a-zA-Z0-9_\.!]|', '', $this->jwksUri);

        // add prefix
        $key = $this->cacheKeyPrefix . $key;

        // Hash keys if they exceed $maxKeyLength of 64
        if (\strlen($key) > $this->maxKeyLength) {
            $key = substr(hash('sha256', $key), 0, $this->maxKeyLength);
        }

        $this->cacheKey = $key;

        if ($this->rateLimit) {
            // add prefix
            $rateLimitKey = $this->cacheKeyPrefix . 'ratelimit' . $key;

            // Hash keys if they exceed $maxKeyLength of 64
            if (\strlen($rateLimitKey) > $this->maxKeyLength) {
                $rateLimitKey = substr(hash('sha256', $rateLimitKey), 0, $this->maxKeyLength);
            }

            $this->rateLimitCacheKey = $rateLimitKey;
        }
    }
}
PK     D‰U]‹Sù<f   f   9  vendor/firebase/php-jwt/src/SignatureInvalidException.phpnu „[µü¤        <?php

namespace Firebase\JWT;

class SignatureInvalidException extends \UnexpectedValueException
{
}
PK     D‰U]Á4ƒJV  V  #  vendor/firebase/php-jwt/src/Key.phpnu „[µü¤        <?php

namespace Firebase\JWT;

use InvalidArgumentException;
use OpenSSLAsymmetricKey;
use OpenSSLCertificate;
use TypeError;

class Key
{
    /** @var string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate */
    private $keyMaterial;
    /** @var string */
    private $algorithm;

    /**
     * @param string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate $keyMaterial
     * @param string $algorithm
     */
    public function __construct(
        $keyMaterial,
        string $algorithm
    ) {
        if (
            !\is_string($keyMaterial)
            && !$keyMaterial instanceof OpenSSLAsymmetricKey
            && !$keyMaterial instanceof OpenSSLCertificate
            && !\is_resource($keyMaterial)
        ) {
            throw new TypeError('Key material must be a string, resource, or OpenSSLAsymmetricKey');
        }

        if (empty($keyMaterial)) {
            throw new InvalidArgumentException('Key material must not be empty');
        }

        if (empty($algorithm)) {
            throw new InvalidArgumentException('Algorithm must not be empty');
        }

        // TODO: Remove in PHP 8.0 in favor of class constructor property promotion
        $this->keyMaterial = $keyMaterial;
        $this->algorithm = $algorithm;
    }

    /**
     * Return the algorithm valid for this key
     *
     * @return string
     */
    public function getAlgorithm(): string
    {
        return $this->algorithm;
    }

    /**
     * @return string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate
     */
    public function getKeyMaterial()
    {
        return $this->keyMaterial;
    }
}
PK     D‰U]ï#Èc  c  #  vendor/firebase/php-jwt/src/JWK.phpnu „[µü¤        <?php

namespace Firebase\JWT;

use DomainException;
use InvalidArgumentException;
use UnexpectedValueException;

/**
 * JSON Web Key implementation, based on this spec:
 * https://tools.ietf.org/html/draft-ietf-jose-json-web-key-41
 *
 * PHP version 5
 *
 * @category Authentication
 * @package  Authentication_JWT
 * @author   Bui Sy Nguyen <nguyenbs@gmail.com>
 * @license  http://opensource.org/licenses/BSD-3-Clause 3-clause BSD
 * @link     https://github.com/firebase/php-jwt
 */
class JWK
{
    /**
     * Parse a set of JWK keys
     *
     * @param array<mixed> $jwks The JSON Web Key Set as an associative array
     * @param string       $defaultAlg The algorithm for the Key object if "alg" is not set in the
     *                                 JSON Web Key Set
     *
     * @return array<string, Key> An associative array of key IDs (kid) to Key objects
     *
     * @throws InvalidArgumentException     Provided JWK Set is empty
     * @throws UnexpectedValueException     Provided JWK Set was invalid
     * @throws DomainException              OpenSSL failure
     *
     * @uses parseKey
     */
    public static function parseKeySet(array $jwks, string $defaultAlg = null): array
    {
        $keys = [];

        if (!isset($jwks['keys'])) {
            throw new UnexpectedValueException('"keys" member must exist in the JWK Set');
        }

        if (empty($jwks['keys'])) {
            throw new InvalidArgumentException('JWK Set did not contain any keys');
        }

        foreach ($jwks['keys'] as $k => $v) {
            $kid = isset($v['kid']) ? $v['kid'] : $k;
            if ($key = self::parseKey($v, $defaultAlg)) {
                $keys[(string) $kid] = $key;
            }
        }

        if (0 === \count($keys)) {
            throw new UnexpectedValueException('No supported algorithms found in JWK Set');
        }

        return $keys;
    }

    /**
     * Parse a JWK key
     *
     * @param array<mixed> $jwk An individual JWK
     * @param string       $defaultAlg The algorithm for the Key object if "alg" is not set in the
     *                                 JSON Web Key Set
     *
     * @return Key The key object for the JWK
     *
     * @throws InvalidArgumentException     Provided JWK is empty
     * @throws UnexpectedValueException     Provided JWK was invalid
     * @throws DomainException              OpenSSL failure
     *
     * @uses createPemFromModulusAndExponent
     */
    public static function parseKey(array $jwk, string $defaultAlg = null): ?Key
    {
        if (empty($jwk)) {
            throw new InvalidArgumentException('JWK must not be empty');
        }

        if (!isset($jwk['kty'])) {
            throw new UnexpectedValueException('JWK must contain a "kty" parameter');
        }

        if (!isset($jwk['alg'])) {
            if (\is_null($defaultAlg)) {
                // The "alg" parameter is optional in a KTY, but an algorithm is required
                // for parsing in this library. Use the $defaultAlg parameter when parsing the
                // key set in order to prevent this error.
                // @see https://datatracker.ietf.org/doc/html/rfc7517#section-4.4
                throw new UnexpectedValueException('JWK must contain an "alg" parameter');
            }
            $jwk['alg'] = $defaultAlg;
        }

        switch ($jwk['kty']) {
            case 'RSA':
                if (!empty($jwk['d'])) {
                    throw new UnexpectedValueException('RSA private keys are not supported');
                }
                if (!isset($jwk['n']) || !isset($jwk['e'])) {
                    throw new UnexpectedValueException('RSA keys must contain values for both "n" and "e"');
                }

                $pem = self::createPemFromModulusAndExponent($jwk['n'], $jwk['e']);
                $publicKey = \openssl_pkey_get_public($pem);
                if (false === $publicKey) {
                    throw new DomainException(
                        'OpenSSL error: ' . \openssl_error_string()
                    );
                }
                return new Key($publicKey, $jwk['alg']);
            default:
                // Currently only RSA is supported
                break;
        }

        return null;
    }

    /**
     * Create a public key represented in PEM format from RSA modulus and exponent information
     *
     * @param string $n The RSA modulus encoded in Base64
     * @param string $e The RSA exponent encoded in Base64
     *
     * @return string The RSA public key represented in PEM format
     *
     * @uses encodeLength
     */
    private static function createPemFromModulusAndExponent(
        string $n,
        string $e
    ): string {
        $mod = JWT::urlsafeB64Decode($n);
        $exp = JWT::urlsafeB64Decode($e);

        $modulus = \pack('Ca*a*', 2, self::encodeLength(\strlen($mod)), $mod);
        $publicExponent = \pack('Ca*a*', 2, self::encodeLength(\strlen($exp)), $exp);

        $rsaPublicKey = \pack(
            'Ca*a*a*',
            48,
            self::encodeLength(\strlen($modulus) + \strlen($publicExponent)),
            $modulus,
            $publicExponent
        );

        // sequence(oid(1.2.840.113549.1.1.1), null)) = rsaEncryption.
        $rsaOID = \pack('H*', '300d06092a864886f70d0101010500'); // hex version of MA0GCSqGSIb3DQEBAQUA
        $rsaPublicKey = \chr(0) . $rsaPublicKey;
        $rsaPublicKey = \chr(3) . self::encodeLength(\strlen($rsaPublicKey)) . $rsaPublicKey;

        $rsaPublicKey = \pack(
            'Ca*a*',
            48,
            self::encodeLength(\strlen($rsaOID . $rsaPublicKey)),
            $rsaOID . $rsaPublicKey
        );

        $rsaPublicKey = "-----BEGIN PUBLIC KEY-----\r\n" .
            \chunk_split(\base64_encode($rsaPublicKey), 64) .
            '-----END PUBLIC KEY-----';

        return $rsaPublicKey;
    }

    /**
     * DER-encode the length
     *
     * DER supports lengths up to (2**8)**127, however, we'll only support lengths up to (2**8)**4.  See
     * {@link http://itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf#p=13 X.690 paragraph 8.1.3} for more information.
     *
     * @param int $length
     * @return string
     */
    private static function encodeLength(int $length): string
    {
        if ($length <= 0x7F) {
            return \chr($length);
        }

        $temp = \ltrim(\pack('N', $length), \chr(0));

        return \pack('Ca*', 0x80 | \strlen($temp), $temp);
    }
}
PK     E‰U]ÂË}ûa   a   4  vendor/firebase/php-jwt/src/BeforeValidException.phpnu „[µü¤        <?php

namespace Firebase\JWT;

class BeforeValidException extends \UnexpectedValueException
{
}
PK     E‰U]†—ÉÐvV  vV  #  vendor/firebase/php-jwt/src/JWT.phpnu „[µü¤        <?php

namespace Firebase\JWT;

use ArrayAccess;
use DateTime;
use DomainException;
use Exception;
use InvalidArgumentException;
use OpenSSLAsymmetricKey;
use OpenSSLCertificate;
use stdClass;
use UnexpectedValueException;

/**
 * JSON Web Token implementation, based on this spec:
 * https://tools.ietf.org/html/rfc7519
 *
 * PHP version 5
 *
 * @category Authentication
 * @package  Authentication_JWT
 * @author   Neuman Vong <neuman@twilio.com>
 * @author   Anant Narayanan <anant@php.net>
 * @license  http://opensource.org/licenses/BSD-3-Clause 3-clause BSD
 * @link     https://github.com/firebase/php-jwt
 */
class JWT
{
    private const ASN1_INTEGER = 0x02;
    private const ASN1_SEQUENCE = 0x10;
    private const ASN1_BIT_STRING = 0x03;

    /**
     * When checking nbf, iat or expiration times,
     * we want to provide some extra leeway time to
     * account for clock skew.
     *
     * @var int
     */
    public static $leeway = 0;

    /**
     * Allow the current timestamp to be specified.
     * Useful for fixing a value within unit testing.
     * Will default to PHP time() value if null.
     *
     * @var ?int
     */
    public static $timestamp = null;

    /**
     * @var array<string, string[]>
     */
    public static $supported_algs = [
        'ES384' => ['openssl', 'SHA384'],
        'ES256' => ['openssl', 'SHA256'],
        'HS256' => ['hash_hmac', 'SHA256'],
        'HS384' => ['hash_hmac', 'SHA384'],
        'HS512' => ['hash_hmac', 'SHA512'],
        'RS256' => ['openssl', 'SHA256'],
        'RS384' => ['openssl', 'SHA384'],
        'RS512' => ['openssl', 'SHA512'],
        'EdDSA' => ['sodium_crypto', 'EdDSA'],
    ];

    /**
     * Decodes a JWT string into a PHP object.
     *
     * @param string                 $jwt            The JWT
     * @param Key|array<string,Key> $keyOrKeyArray  The Key or associative array of key IDs (kid) to Key objects.
     *                                               If the algorithm used is asymmetric, this is the public key
     *                                               Each Key object contains an algorithm and matching key.
     *                                               Supported algorithms are 'ES384','ES256', 'HS256', 'HS384',
     *                                               'HS512', 'RS256', 'RS384', and 'RS512'
     *
     * @return stdClass The JWT's payload as a PHP object
     *
     * @throws InvalidArgumentException     Provided key/key-array was empty
     * @throws DomainException              Provided JWT is malformed
     * @throws UnexpectedValueException     Provided JWT was invalid
     * @throws SignatureInvalidException    Provided JWT was invalid because the signature verification failed
     * @throws BeforeValidException         Provided JWT is trying to be used before it's eligible as defined by 'nbf'
     * @throws BeforeValidException         Provided JWT is trying to be used before it's been created as defined by 'iat'
     * @throws ExpiredException             Provided JWT has since expired, as defined by the 'exp' claim
     *
     * @uses jsonDecode
     * @uses urlsafeB64Decode
     */
    public static function decode(
        string $jwt,
        $keyOrKeyArray
    ): stdClass {
        // Validate JWT
        $timestamp = \is_null(static::$timestamp) ? \time() : static::$timestamp;

        if (empty($keyOrKeyArray)) {
            throw new InvalidArgumentException('Key may not be empty');
        }
        $tks = \explode('.', $jwt);
        if (\count($tks) != 3) {
            throw new UnexpectedValueException('Wrong number of segments');
        }
        list($headb64, $bodyb64, $cryptob64) = $tks;
        $headerRaw = static::urlsafeB64Decode($headb64);
        if (null === ($header = static::jsonDecode($headerRaw))) {
            throw new UnexpectedValueException('Invalid header encoding');
        }
        $payloadRaw = static::urlsafeB64Decode($bodyb64);
        if (null === ($payload = static::jsonDecode($payloadRaw))) {
            throw new UnexpectedValueException('Invalid claims encoding');
        }
        if (\is_array($payload)) {
            // prevent PHP Fatal Error in edge-cases when payload is empty array
            $payload = (object) $payload;
        }
        if (!$payload instanceof stdClass) {
            throw new UnexpectedValueException('Payload must be a JSON object');
        }
        $sig = static::urlsafeB64Decode($cryptob64);
        if (empty($header->alg)) {
            throw new UnexpectedValueException('Empty algorithm');
        }
        if (empty(static::$supported_algs[$header->alg])) {
            throw new UnexpectedValueException('Algorithm not supported');
        }

        $key = self::getKey($keyOrKeyArray, property_exists($header, 'kid') ? $header->kid : null);

        // Check the algorithm
        if (!self::constantTimeEquals($key->getAlgorithm(), $header->alg)) {
            // See issue #351
            throw new UnexpectedValueException('Incorrect key for this algorithm');
        }
        if ($header->alg === 'ES256' || $header->alg === 'ES384') {
            // OpenSSL expects an ASN.1 DER sequence for ES256/ES384 signatures
            $sig = self::signatureToDER($sig);
        }
        if (!self::verify("$headb64.$bodyb64", $sig, $key->getKeyMaterial(), $header->alg)) {
            throw new SignatureInvalidException('Signature verification failed');
        }

        // Check the nbf if it is defined. This is the time that the
        // token can actually be used. If it's not yet that time, abort.
        if (isset($payload->nbf) && $payload->nbf > ($timestamp + static::$leeway)) {
            throw new BeforeValidException(
                'Cannot handle token prior to ' . \date(DateTime::ISO8601, $payload->nbf)
            );
        }

        // Check that this token has been created before 'now'. This prevents
        // using tokens that have been created for later use (and haven't
        // correctly used the nbf claim).
        if (isset($payload->iat) && $payload->iat > ($timestamp + static::$leeway)) {
            throw new BeforeValidException(
                'Cannot handle token prior to ' . \date(DateTime::ISO8601, $payload->iat)
            );
        }

        // Check if this token has expired.
        if (isset($payload->exp) && ($timestamp - static::$leeway) >= $payload->exp) {
            throw new ExpiredException('Expired token');
        }

        return $payload;
    }

    /**
     * Converts and signs a PHP object or array into a JWT string.
     *
     * @param array<mixed>          $payload PHP array
     * @param string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate $key The secret key.
     * @param string                $alg     Supported algorithms are 'ES384','ES256', 'HS256', 'HS384',
     *                                       'HS512', 'RS256', 'RS384', and 'RS512'
     * @param string                $keyId
     * @param array<string, string> $head    An array with header elements to attach
     *
     * @return string A signed JWT
     *
     * @uses jsonEncode
     * @uses urlsafeB64Encode
     */
    public static function encode(
        array $payload,
        $key,
        string $alg,
        string $keyId = null,
        array $head = null
    ): string {
        $header = ['typ' => 'JWT', 'alg' => $alg];
        if ($keyId !== null) {
            $header['kid'] = $keyId;
        }
        if (isset($head) && \is_array($head)) {
            $header = \array_merge($head, $header);
        }
        $segments = [];
        $segments[] = static::urlsafeB64Encode((string) static::jsonEncode($header));
        $segments[] = static::urlsafeB64Encode((string) static::jsonEncode($payload));
        $signing_input = \implode('.', $segments);

        $signature = static::sign($signing_input, $key, $alg);
        $segments[] = static::urlsafeB64Encode($signature);

        return \implode('.', $segments);
    }

    /**
     * Sign a string with a given key and algorithm.
     *
     * @param string $msg  The message to sign
     * @param string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate  $key  The secret key.
     * @param string $alg  Supported algorithms are 'ES384','ES256', 'HS256', 'HS384',
     *                    'HS512', 'RS256', 'RS384', and 'RS512'
     *
     * @return string An encrypted message
     *
     * @throws DomainException Unsupported algorithm or bad key was specified
     */
    public static function sign(
        string $msg,
        $key,
        string $alg
    ): string {
        if (empty(static::$supported_algs[$alg])) {
            throw new DomainException('Algorithm not supported');
        }
        list($function, $algorithm) = static::$supported_algs[$alg];
        switch ($function) {
            case 'hash_hmac':
                if (!\is_string($key)) {
                    throw new InvalidArgumentException('key must be a string when using hmac');
                }
                return \hash_hmac($algorithm, $msg, $key, true);
            case 'openssl':
                $signature = '';
                $success = \openssl_sign($msg, $signature, $key, $algorithm); // @phpstan-ignore-line
                if (!$success) {
                    throw new DomainException('OpenSSL unable to sign data');
                }
                if ($alg === 'ES256') {
                    $signature = self::signatureFromDER($signature, 256);
                } elseif ($alg === 'ES384') {
                    $signature = self::signatureFromDER($signature, 384);
                }
                return $signature;
            case 'sodium_crypto':
                if (!\function_exists('sodium_crypto_sign_detached')) {
                    throw new DomainException('libsodium is not available');
                }
                if (!\is_string($key)) {
                    throw new InvalidArgumentException('key must be a string when using EdDSA');
                }
                try {
                    // The last non-empty line is used as the key.
                    $lines = array_filter(explode("\n", $key));
                    $key = base64_decode((string) end($lines));
                    return sodium_crypto_sign_detached($msg, $key);
                } catch (Exception $e) {
                    throw new DomainException($e->getMessage(), 0, $e);
                }
        }

        throw new DomainException('Algorithm not supported');
    }

    /**
     * Verify a signature with the message, key and method. Not all methods
     * are symmetric, so we must have a separate verify and sign method.
     *
     * @param string $msg         The original message (header and body)
     * @param string $signature   The original signature
     * @param string|resource|OpenSSLAsymmetricKey|OpenSSLCertificate  $keyMaterial For HS*, a string key works. for RS*, must be an instance of OpenSSLAsymmetricKey
     * @param string $alg         The algorithm
     *
     * @return bool
     *
     * @throws DomainException Invalid Algorithm, bad key, or OpenSSL failure
     */
    private static function verify(
        string $msg,
        string $signature,
        $keyMaterial,
        string $alg
    ): bool {
        if (empty(static::$supported_algs[$alg])) {
            throw new DomainException('Algorithm not supported');
        }

        list($function, $algorithm) = static::$supported_algs[$alg];
        switch ($function) {
            case 'openssl':
                $success = \openssl_verify($msg, $signature, $keyMaterial, $algorithm); // @phpstan-ignore-line
                if ($success === 1) {
                    return true;
                } elseif ($success === 0) {
                    return false;
                }
                // returns 1 on success, 0 on failure, -1 on error.
                throw new DomainException(
                    'OpenSSL error: ' . \openssl_error_string()
                );
            case 'sodium_crypto':
              if (!\function_exists('sodium_crypto_sign_verify_detached')) {
                  throw new DomainException('libsodium is not available');
              }
              if (!\is_string($keyMaterial)) {
                  throw new InvalidArgumentException('key must be a string when using EdDSA');
              }
              try {
                  // The last non-empty line is used as the key.
                  $lines = array_filter(explode("\n", $keyMaterial));
                  $key = base64_decode((string) end($lines));
                  return sodium_crypto_sign_verify_detached($signature, $msg, $key);
              } catch (Exception $e) {
                  throw new DomainException($e->getMessage(), 0, $e);
              }
            case 'hash_hmac':
            default:
                if (!\is_string($keyMaterial)) {
                    throw new InvalidArgumentException('key must be a string when using hmac');
                }
                $hash = \hash_hmac($algorithm, $msg, $keyMaterial, true);
                return self::constantTimeEquals($hash, $signature);
        }
    }

    /**
     * Decode a JSON string into a PHP object.
     *
     * @param string $input JSON string
     *
     * @return mixed The decoded JSON string
     *
     * @throws DomainException Provided string was invalid JSON
     */
    public static function jsonDecode(string $input)
    {
        $obj = \json_decode($input, false, 512, JSON_BIGINT_AS_STRING);

        if ($errno = \json_last_error()) {
            self::handleJsonError($errno);
        } elseif ($obj === null && $input !== 'null') {
            throw new DomainException('Null result with non-null input');
        }
        return $obj;
    }

    /**
     * Encode a PHP array into a JSON string.
     *
     * @param array<mixed> $input A PHP array
     *
     * @return string JSON representation of the PHP array
     *
     * @throws DomainException Provided object could not be encoded to valid JSON
     */
    public static function jsonEncode(array $input): string
    {
        if (PHP_VERSION_ID >= 50400) {
            $json = \json_encode($input, \JSON_UNESCAPED_SLASHES);
        } else {
            // PHP 5.3 only
            $json = \json_encode($input);
        }
        if ($errno = \json_last_error()) {
            self::handleJsonError($errno);
        } elseif ($json === 'null' && $input !== null) {
            throw new DomainException('Null result with non-null input');
        }
        if ($json === false) {
            throw new DomainException('Provided object could not be encoded to valid JSON');
        }
        return $json;
    }

    /**
     * Decode a string with URL-safe Base64.
     *
     * @param string $input A Base64 encoded string
     *
     * @return string A decoded string
     *
     * @throws InvalidArgumentException invalid base64 characters
     */
    public static function urlsafeB64Decode(string $input): string
    {
        $remainder = \strlen($input) % 4;
        if ($remainder) {
            $padlen = 4 - $remainder;
            $input .= \str_repeat('=', $padlen);
        }
        return \base64_decode(\strtr($input, '-_', '+/'));
    }

    /**
     * Encode a string with URL-safe Base64.
     *
     * @param string $input The string you want encoded
     *
     * @return string The base64 encode of what you passed in
     */
    public static function urlsafeB64Encode(string $input): string
    {
        return \str_replace('=', '', \strtr(\base64_encode($input), '+/', '-_'));
    }


    /**
     * Determine if an algorithm has been provided for each Key
     *
     * @param Key|ArrayAccess<string,Key>|array<string,Key> $keyOrKeyArray
     * @param string|null            $kid
     *
     * @throws UnexpectedValueException
     *
     * @return Key
     */
    private static function getKey(
        $keyOrKeyArray,
        ?string $kid
    ): Key {
        if ($keyOrKeyArray instanceof Key) {
            return $keyOrKeyArray;
        }

        if ($keyOrKeyArray instanceof CachedKeySet) {
            // Skip "isset" check, as this will automatically refresh if not set
            return $keyOrKeyArray[$kid];
        }

        if (empty($kid)) {
            throw new UnexpectedValueException('"kid" empty, unable to lookup correct key');
        }
        if (!isset($keyOrKeyArray[$kid])) {
            throw new UnexpectedValueException('"kid" invalid, unable to lookup correct key');
        }

        return $keyOrKeyArray[$kid];
    }

    /**
     * @param string $left  The string of known length to compare against
     * @param string $right The user-supplied string
     * @return bool
     */
    public static function constantTimeEquals(string $left, string $right): bool
    {
        if (\function_exists('hash_equals')) {
            return \hash_equals($left, $right);
        }
        $len = \min(self::safeStrlen($left), self::safeStrlen($right));

        $status = 0;
        for ($i = 0; $i < $len; $i++) {
            $status |= (\ord($left[$i]) ^ \ord($right[$i]));
        }
        $status |= (self::safeStrlen($left) ^ self::safeStrlen($right));

        return ($status === 0);
    }

    /**
     * Helper method to create a JSON error.
     *
     * @param int $errno An error number from json_last_error()
     *
     * @throws DomainException
     *
     * @return void
     */
    private static function handleJsonError(int $errno): void
    {
        $messages = [
            JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
            JSON_ERROR_STATE_MISMATCH => 'Invalid or malformed JSON',
            JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
            JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON',
            JSON_ERROR_UTF8 => 'Malformed UTF-8 characters' //PHP >= 5.3.3
        ];
        throw new DomainException(
            isset($messages[$errno])
            ? $messages[$errno]
            : 'Unknown JSON error: ' . $errno
        );
    }

    /**
     * Get the number of bytes in cryptographic strings.
     *
     * @param string $str
     *
     * @return int
     */
    private static function safeStrlen(string $str): int
    {
        if (\function_exists('mb_strlen')) {
            return \mb_strlen($str, '8bit');
        }
        return \strlen($str);
    }

    /**
     * Convert an ECDSA signature to an ASN.1 DER sequence
     *
     * @param   string $sig The ECDSA signature to convert
     * @return  string The encoded DER object
     */
    private static function signatureToDER(string $sig): string
    {
        // Separate the signature into r-value and s-value
        $length = max(1, (int) (\strlen($sig) / 2));
        list($r, $s) = \str_split($sig, $length > 0 ? $length : 1);

        // Trim leading zeros
        $r = \ltrim($r, "\x00");
        $s = \ltrim($s, "\x00");

        // Convert r-value and s-value from unsigned big-endian integers to
        // signed two's complement
        if (\ord($r[0]) > 0x7f) {
            $r = "\x00" . $r;
        }
        if (\ord($s[0]) > 0x7f) {
            $s = "\x00" . $s;
        }

        return self::encodeDER(
            self::ASN1_SEQUENCE,
            self::encodeDER(self::ASN1_INTEGER, $r) .
            self::encodeDER(self::ASN1_INTEGER, $s)
        );
    }

    /**
     * Encodes a value into a DER object.
     *
     * @param   int     $type DER tag
     * @param   string  $value the value to encode
     *
     * @return  string  the encoded object
     */
    private static function encodeDER(int $type, string $value): string
    {
        $tag_header = 0;
        if ($type === self::ASN1_SEQUENCE) {
            $tag_header |= 0x20;
        }

        // Type
        $der = \chr($tag_header | $type);

        // Length
        $der .= \chr(\strlen($value));

        return $der . $value;
    }

    /**
     * Encodes signature from a DER object.
     *
     * @param   string  $der binary signature in DER format
     * @param   int     $keySize the number of bits in the key
     *
     * @return  string  the signature
     */
    private static function signatureFromDER(string $der, int $keySize): string
    {
        // OpenSSL returns the ECDSA signatures as a binary ASN.1 DER SEQUENCE
        list($offset, $_) = self::readDER($der);
        list($offset, $r) = self::readDER($der, $offset);
        list($offset, $s) = self::readDER($der, $offset);

        // Convert r-value and s-value from signed two's compliment to unsigned
        // big-endian integers
        $r = \ltrim($r, "\x00");
        $s = \ltrim($s, "\x00");

        // Pad out r and s so that they are $keySize bits long
        $r = \str_pad($r, $keySize / 8, "\x00", STR_PAD_LEFT);
        $s = \str_pad($s, $keySize / 8, "\x00", STR_PAD_LEFT);

        return $r . $s;
    }

    /**
     * Reads binary DER-encoded data and decodes into a single object
     *
     * @param string $der the binary data in DER format
     * @param int $offset the offset of the data stream containing the object
     * to decode
     *
     * @return array{int, string|null} the new offset and the decoded object
     */
    private static function readDER(string $der, int $offset = 0): array
    {
        $pos = $offset;
        $size = \strlen($der);
        $constructed = (\ord($der[$pos]) >> 5) & 0x01;
        $type = \ord($der[$pos++]) & 0x1f;

        // Length
        $len = \ord($der[$pos++]);
        if ($len & 0x80) {
            $n = $len & 0x1f;
            $len = 0;
            while ($n-- && $pos < $size) {
                $len = ($len << 8) | \ord($der[$pos++]);
            }
        }

        // Value
        if ($type == self::ASN1_BIT_STRING) {
            $pos++; // Skip the first contents octet (padding indicator)
            $data = \substr($der, $pos, $len - 1);
            $pos += $len - 1;
        } elseif (!$constructed) {
            $data = \substr($der, $pos, $len);
            $pos += $len;
        } else {
            $data = null;
        }

        return [$pos, $data];
    }
}
PK     E‰U]o²*]   ]   0  vendor/firebase/php-jwt/src/ExpiredException.phpnu „[µü¤        <?php

namespace Firebase\JWT;

class ExpiredException extends \UnexpectedValueException
{
}
PK     E‰U]p±ŽO=  =    vendor/psr/log/LICENSEnu „[µü¤        Copyright (c) 2012 PHP Framework Interoperability Group

Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is 
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in 
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     E‰U]Q'¯’  ’  +  vendor/psr/log/Psr/Log/LoggerAwareTrait.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * Basic Implementation of LoggerAwareInterface.
 */
trait LoggerAwareTrait
{
    /**
     * The logger instance.
     *
     * @var LoggerInterface|null
     */
    protected $logger;

    /**
     * Sets a logger.
     *
     * @param LoggerInterface $logger
     */
    public function setLogger(LoggerInterface $logger)
    {
        $this->logger = $logger;
    }
}
PK     E‰U]¹WåjW  W  &  vendor/psr/log/Psr/Log/LoggerTrait.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * This is a simple Logger trait that classes unable to extend AbstractLogger
 * (because they extend another class, etc) can include.
 *
 * It simply delegates all log-level-specific methods to the `log` method to
 * reduce boilerplate code that a simple Logger that does the same thing with
 * messages regardless of the error level has to implement.
 */
trait LoggerTrait
{
    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function emergency($message, array $context = array())
    {
        $this->log(LogLevel::EMERGENCY, $message, $context);
    }

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function alert($message, array $context = array())
    {
        $this->log(LogLevel::ALERT, $message, $context);
    }

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function critical($message, array $context = array())
    {
        $this->log(LogLevel::CRITICAL, $message, $context);
    }

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function error($message, array $context = array())
    {
        $this->log(LogLevel::ERROR, $message, $context);
    }

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function warning($message, array $context = array())
    {
        $this->log(LogLevel::WARNING, $message, $context);
    }

    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function notice($message, array $context = array())
    {
        $this->log(LogLevel::NOTICE, $message, $context);
    }

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function info($message, array $context = array())
    {
        $this->log(LogLevel::INFO, $message, $context);
    }

    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     *
     * @return void
     */
    public function debug($message, array $context = array())
    {
        $this->log(LogLevel::DEBUG, $message, $context);
    }

    /**
     * Logs with an arbitrary level.
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     *
     * @return void
     *
     * @throws \Psr\Log\InvalidArgumentException
     */
    abstract public function log($level, $message, array $context = array());
}
PK     E‰U]ÑâÕIÃ  Ã  %  vendor/psr/log/Psr/Log/NullLogger.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * This Logger can be used to avoid conditional log calls.
 *
 * Logging should always be optional, and if no logger is provided to your
 * library creating a NullLogger instance to have something to throw logs at
 * is a good way to avoid littering your code with `if ($this->logger) { }`
 * blocks.
 */
class NullLogger extends AbstractLogger
{
    /**
     * Logs with an arbitrary level.
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     *
     * @return void
     *
     * @throws \Psr\Log\InvalidArgumentException
     */
    public function log($level, $message, array $context = array())
    {
        // noop
    }
}
PK     F‰U]1b!q*  *  *  vendor/psr/log/Psr/Log/LoggerInterface.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * Describes a logger instance.
 *
 * The message MUST be a string or object implementing __toString().
 *
 * The message MAY contain placeholders in the form: {foo} where foo
 * will be replaced by the context data in key "foo".
 *
 * The context array can contain arbitrary data. The only assumption that
 * can be made by implementors is that if an Exception instance is given
 * to produce a stack trace, it MUST be in a key named "exception".
 *
 * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
 * for the full interface specification.
 */
interface LoggerInterface
{
    /**
     * System is unusable.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function emergency($message, array $context = array());

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function alert($message, array $context = array());

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function critical($message, array $context = array());

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function error($message, array $context = array());

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function warning($message, array $context = array());

    /**
     * Normal but significant events.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function notice($message, array $context = array());

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function info($message, array $context = array());

    /**
     * Detailed debug information.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function debug($message, array $context = array());

    /**
     * Logs with an arbitrary level.
     *
     * @param mixed   $level
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     *
     * @throws \Psr\Log\InvalidArgumentException
     */
    public function log($level, $message, array $context = array());
}
PK     F‰U]Ò Æî¯  ¯  *  vendor/psr/log/Psr/Log/Test/TestLogger.phpnu „[µü¤        <?php

namespace Psr\Log\Test;

use Psr\Log\AbstractLogger;

/**
 * Used for testing purposes.
 *
 * It records all records and gives you access to them for verification.
 *
 * @method bool hasEmergency($record)
 * @method bool hasAlert($record)
 * @method bool hasCritical($record)
 * @method bool hasError($record)
 * @method bool hasWarning($record)
 * @method bool hasNotice($record)
 * @method bool hasInfo($record)
 * @method bool hasDebug($record)
 *
 * @method bool hasEmergencyRecords()
 * @method bool hasAlertRecords()
 * @method bool hasCriticalRecords()
 * @method bool hasErrorRecords()
 * @method bool hasWarningRecords()
 * @method bool hasNoticeRecords()
 * @method bool hasInfoRecords()
 * @method bool hasDebugRecords()
 *
 * @method bool hasEmergencyThatContains($message)
 * @method bool hasAlertThatContains($message)
 * @method bool hasCriticalThatContains($message)
 * @method bool hasErrorThatContains($message)
 * @method bool hasWarningThatContains($message)
 * @method bool hasNoticeThatContains($message)
 * @method bool hasInfoThatContains($message)
 * @method bool hasDebugThatContains($message)
 *
 * @method bool hasEmergencyThatMatches($message)
 * @method bool hasAlertThatMatches($message)
 * @method bool hasCriticalThatMatches($message)
 * @method bool hasErrorThatMatches($message)
 * @method bool hasWarningThatMatches($message)
 * @method bool hasNoticeThatMatches($message)
 * @method bool hasInfoThatMatches($message)
 * @method bool hasDebugThatMatches($message)
 *
 * @method bool hasEmergencyThatPasses($message)
 * @method bool hasAlertThatPasses($message)
 * @method bool hasCriticalThatPasses($message)
 * @method bool hasErrorThatPasses($message)
 * @method bool hasWarningThatPasses($message)
 * @method bool hasNoticeThatPasses($message)
 * @method bool hasInfoThatPasses($message)
 * @method bool hasDebugThatPasses($message)
 */
class TestLogger extends AbstractLogger
{
    /**
     * @var array
     */
    public $records = [];

    public $recordsByLevel = [];

    /**
     * @inheritdoc
     */
    public function log($level, $message, array $context = [])
    {
        $record = [
            'level' => $level,
            'message' => $message,
            'context' => $context,
        ];

        $this->recordsByLevel[$record['level']][] = $record;
        $this->records[] = $record;
    }

    public function hasRecords($level)
    {
        return isset($this->recordsByLevel[$level]);
    }

    public function hasRecord($record, $level)
    {
        if (is_string($record)) {
            $record = ['message' => $record];
        }
        return $this->hasRecordThatPasses(function ($rec) use ($record) {
            if ($rec['message'] !== $record['message']) {
                return false;
            }
            if (isset($record['context']) && $rec['context'] !== $record['context']) {
                return false;
            }
            return true;
        }, $level);
    }

    public function hasRecordThatContains($message, $level)
    {
        return $this->hasRecordThatPasses(function ($rec) use ($message) {
            return strpos($rec['message'], $message) !== false;
        }, $level);
    }

    public function hasRecordThatMatches($regex, $level)
    {
        return $this->hasRecordThatPasses(function ($rec) use ($regex) {
            return preg_match($regex, $rec['message']) > 0;
        }, $level);
    }

    public function hasRecordThatPasses(callable $predicate, $level)
    {
        if (!isset($this->recordsByLevel[$level])) {
            return false;
        }
        foreach ($this->recordsByLevel[$level] as $i => $rec) {
            if (call_user_func($predicate, $rec, $i)) {
                return true;
            }
        }
        return false;
    }

    public function __call($method, $args)
    {
        if (preg_match('/(.*)(Debug|Info|Notice|Warning|Error|Critical|Alert|Emergency)(.*)/', $method, $matches) > 0) {
            $genericMethod = $matches[1] . ('Records' !== $matches[3] ? 'Record' : '') . $matches[3];
            $level = strtolower($matches[2]);
            if (method_exists($this, $genericMethod)) {
                $args[] = $level;
                return call_user_func_array([$this, $genericMethod], $args);
            }
        }
        throw new \BadMethodCallException('Call to undefined method ' . get_class($this) . '::' . $method . '()');
    }

    public function reset()
    {
        $this->records = [];
        $this->recordsByLevel = [];
    }
}
PK     F‰U]I\—)  )  3  vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.phpnu „[µü¤        <?php

namespace Psr\Log\Test;

use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use PHPUnit\Framework\TestCase;

/**
 * Provides a base test class for ensuring compliance with the LoggerInterface.
 *
 * Implementors can extend the class and implement abstract methods to run this
 * as part of their test suite.
 */
abstract class LoggerInterfaceTest extends TestCase
{
    /**
     * @return LoggerInterface
     */
    abstract public function getLogger();

    /**
     * This must return the log messages in order.
     *
     * The simple formatting of the messages is: "<LOG LEVEL> <MESSAGE>".
     *
     * Example ->error('Foo') would yield "error Foo".
     *
     * @return string[]
     */
    abstract public function getLogs();

    public function testImplements()
    {
        $this->assertInstanceOf('Psr\Log\LoggerInterface', $this->getLogger());
    }

    /**
     * @dataProvider provideLevelsAndMessages
     */
    public function testLogsAtAllLevels($level, $message)
    {
        $logger = $this->getLogger();
        $logger->{$level}($message, array('user' => 'Bob'));
        $logger->log($level, $message, array('user' => 'Bob'));

        $expected = array(
            $level.' message of level '.$level.' with context: Bob',
            $level.' message of level '.$level.' with context: Bob',
        );
        $this->assertEquals($expected, $this->getLogs());
    }

    public function provideLevelsAndMessages()
    {
        return array(
            LogLevel::EMERGENCY => array(LogLevel::EMERGENCY, 'message of level emergency with context: {user}'),
            LogLevel::ALERT => array(LogLevel::ALERT, 'message of level alert with context: {user}'),
            LogLevel::CRITICAL => array(LogLevel::CRITICAL, 'message of level critical with context: {user}'),
            LogLevel::ERROR => array(LogLevel::ERROR, 'message of level error with context: {user}'),
            LogLevel::WARNING => array(LogLevel::WARNING, 'message of level warning with context: {user}'),
            LogLevel::NOTICE => array(LogLevel::NOTICE, 'message of level notice with context: {user}'),
            LogLevel::INFO => array(LogLevel::INFO, 'message of level info with context: {user}'),
            LogLevel::DEBUG => array(LogLevel::DEBUG, 'message of level debug with context: {user}'),
        );
    }

    /**
     * @expectedException \Psr\Log\InvalidArgumentException
     */
    public function testThrowsOnInvalidLevel()
    {
        $logger = $this->getLogger();
        $logger->log('invalid level', 'Foo');
    }

    public function testContextReplacement()
    {
        $logger = $this->getLogger();
        $logger->info('{Message {nothing} {user} {foo.bar} a}', array('user' => 'Bob', 'foo.bar' => 'Bar'));

        $expected = array('info {Message {nothing} Bob Bar a}');
        $this->assertEquals($expected, $this->getLogs());
    }

    public function testObjectCastToString()
    {
        if (method_exists($this, 'createPartialMock')) {
            $dummy = $this->createPartialMock('Psr\Log\Test\DummyTest', array('__toString'));
        } else {
            $dummy = $this->getMock('Psr\Log\Test\DummyTest', array('__toString'));
        }
        $dummy->expects($this->once())
            ->method('__toString')
            ->will($this->returnValue('DUMMY'));

        $this->getLogger()->warning($dummy);

        $expected = array('warning DUMMY');
        $this->assertEquals($expected, $this->getLogs());
    }

    public function testContextCanContainAnything()
    {
        $closed = fopen('php://memory', 'r');
        fclose($closed);

        $context = array(
            'bool' => true,
            'null' => null,
            'string' => 'Foo',
            'int' => 0,
            'float' => 0.5,
            'nested' => array('with object' => new DummyTest),
            'object' => new \DateTime,
            'resource' => fopen('php://memory', 'r'),
            'closed' => $closed,
        );

        $this->getLogger()->warning('Crazy context data', $context);

        $expected = array('warning Crazy context data');
        $this->assertEquals($expected, $this->getLogs());
    }

    public function testContextExceptionKeyCanBeExceptionOrOtherValues()
    {
        $logger = $this->getLogger();
        $logger->warning('Random message', array('exception' => 'oops'));
        $logger->critical('Uncaught Exception!', array('exception' => new \LogicException('Fail')));

        $expected = array(
            'warning Random message',
            'critical Uncaught Exception!'
        );
        $this->assertEquals($expected, $this->getLogs());
    }
}
PK     F‰U]HTgû   û   )  vendor/psr/log/Psr/Log/Test/DummyTest.phpnu „[µü¤        <?php

namespace Psr\Log\Test;

/**
 * This class is internal and does not follow the BC promise.
 *
 * Do NOT use this class in any way.
 *
 * @internal
 */
class DummyTest
{
    public function __toString()
    {
        return 'DummyTest';
    }
}
PK     F‰U] ˆX1`   `   3  vendor/psr/log/Psr/Log/InvalidArgumentException.phpnu „[µü¤        <?php

namespace Psr\Log;

class InvalidArgumentException extends \InvalidArgumentException
{
}
PK     G‰U]Èj±)  )  /  vendor/psr/log/Psr/Log/LoggerAwareInterface.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * Describes a logger-aware instance.
 */
interface LoggerAwareInterface
{
    /**
     * Sets a logger instance on the object.
     *
     * @param LoggerInterface $logger
     *
     * @return void
     */
    public function setLogger(LoggerInterface $logger);
}
PK     G‰U]Gœëâ      )  vendor/psr/log/Psr/Log/AbstractLogger.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * This is a simple Logger implementation that other Loggers can inherit from.
 *
 * It simply delegates all log-level-specific methods to the `log` method to
 * reduce boilerplate code that a simple Logger that does the same thing with
 * messages regardless of the error level has to implement.
 */
abstract class AbstractLogger implements LoggerInterface
{
    /**
     * System is unusable.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function emergency($message, array $context = array())
    {
        $this->log(LogLevel::EMERGENCY, $message, $context);
    }

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function alert($message, array $context = array())
    {
        $this->log(LogLevel::ALERT, $message, $context);
    }

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function critical($message, array $context = array())
    {
        $this->log(LogLevel::CRITICAL, $message, $context);
    }

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function error($message, array $context = array())
    {
        $this->log(LogLevel::ERROR, $message, $context);
    }

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function warning($message, array $context = array())
    {
        $this->log(LogLevel::WARNING, $message, $context);
    }

    /**
     * Normal but significant events.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function notice($message, array $context = array())
    {
        $this->log(LogLevel::NOTICE, $message, $context);
    }

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function info($message, array $context = array())
    {
        $this->log(LogLevel::INFO, $message, $context);
    }

    /**
     * Detailed debug information.
     *
     * @param string  $message
     * @param mixed[] $context
     *
     * @return void
     */
    public function debug($message, array $context = array())
    {
        $this->log(LogLevel::DEBUG, $message, $context);
    }
}
PK     G‰U]�òºP  P  #  vendor/psr/log/Psr/Log/LogLevel.phpnu „[µü¤        <?php

namespace Psr\Log;

/**
 * Describes log levels.
 */
class LogLevel
{
    const EMERGENCY = 'emergency';
    const ALERT     = 'alert';
    const CRITICAL  = 'critical';
    const ERROR     = 'error';
    const WARNING   = 'warning';
    const NOTICE    = 'notice';
    const INFO      = 'info';
    const DEBUG     = 'debug';
}
PK     G‰U]Úçê=  =    vendor/psr/http-message/LICENSEnu „[µü¤        Copyright (c) 2014 PHP Framework Interoperability Group

Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is 
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in 
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     G‰U]ã­¢vQ  Q  5  vendor/psr/http-message/src/UploadedFileInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * Value object representing a file uploaded through an HTTP request.
 *
 * Instances of this interface are considered immutable; all methods that
 * might change state MUST be implemented such that they retain the internal
 * state of the current instance and return an instance that contains the
 * changed state.
 */
interface UploadedFileInterface
{
    /**
     * Retrieve a stream representing the uploaded file.
     *
     * This method MUST return a StreamInterface instance, representing the
     * uploaded file. The purpose of this method is to allow utilizing native PHP
     * stream functionality to manipulate the file upload, such as
     * stream_copy_to_stream() (though the result will need to be decorated in a
     * native PHP stream wrapper to work with such functions).
     *
     * If the moveTo() method has been called previously, this method MUST raise
     * an exception.
     *
     * @return StreamInterface Stream representation of the uploaded file.
     * @throws \RuntimeException in cases when no stream is available or can be
     *     created.
     */
    public function getStream();

    /**
     * Move the uploaded file to a new location.
     *
     * Use this method as an alternative to move_uploaded_file(). This method is
     * guaranteed to work in both SAPI and non-SAPI environments.
     * Implementations must determine which environment they are in, and use the
     * appropriate method (move_uploaded_file(), rename(), or a stream
     * operation) to perform the operation.
     *
     * $targetPath may be an absolute path, or a relative path. If it is a
     * relative path, resolution should be the same as used by PHP's rename()
     * function.
     *
     * The original file or stream MUST be removed on completion.
     *
     * If this method is called more than once, any subsequent calls MUST raise
     * an exception.
     *
     * When used in an SAPI environment where $_FILES is populated, when writing
     * files via moveTo(), is_uploaded_file() and move_uploaded_file() SHOULD be
     * used to ensure permissions and upload status are verified correctly.
     *
     * If you wish to move to a stream, use getStream(), as SAPI operations
     * cannot guarantee writing to stream destinations.
     *
     * @see http://php.net/is_uploaded_file
     * @see http://php.net/move_uploaded_file
     * @param string $targetPath Path to which to move the uploaded file.
     * @throws \InvalidArgumentException if the $targetPath specified is invalid.
     * @throws \RuntimeException on any error during the move operation, or on
     *     the second or subsequent call to the method.
     */
    public function moveTo($targetPath);
    
    /**
     * Retrieve the file size.
     *
     * Implementations SHOULD return the value stored in the "size" key of
     * the file in the $_FILES array if available, as PHP calculates this based
     * on the actual size transmitted.
     *
     * @return int|null The file size in bytes or null if unknown.
     */
    public function getSize();
    
    /**
     * Retrieve the error associated with the uploaded file.
     *
     * The return value MUST be one of PHP's UPLOAD_ERR_XXX constants.
     *
     * If the file was uploaded successfully, this method MUST return
     * UPLOAD_ERR_OK.
     *
     * Implementations SHOULD return the value stored in the "error" key of
     * the file in the $_FILES array.
     *
     * @see http://php.net/manual/en/features.file-upload.errors.php
     * @return int One of PHP's UPLOAD_ERR_XXX constants.
     */
    public function getError();
    
    /**
     * Retrieve the filename sent by the client.
     *
     * Do not trust the value returned by this method. A client could send
     * a malicious filename with the intention to corrupt or hack your
     * application.
     *
     * Implementations SHOULD return the value stored in the "name" key of
     * the file in the $_FILES array.
     *
     * @return string|null The filename sent by the client or null if none
     *     was provided.
     */
    public function getClientFilename();
    
    /**
     * Retrieve the media type sent by the client.
     *
     * Do not trust the value returned by this method. A client could send
     * a malicious media type with the intention to corrupt or hack your
     * application.
     *
     * Implementations SHOULD return the value stored in the "type" key of
     * the file in the $_FILES array.
     *
     * @return string|null The media type sent by the client or null if none
     *     was provided.
     */
    public function getClientMediaType();
}
PK     G‰U]?.Çâ?1  ?1  ,  vendor/psr/http-message/src/UriInterface.phpnu „[µü¤        <?php
namespace Psr\Http\Message;

/**
 * Value object representing a URI.
 *
 * This interface is meant to represent URIs according to RFC 3986 and to
 * provide methods for most common operations. Additional functionality for
 * working with URIs can be provided on top of the interface or externally.
 * Its primary use is for HTTP requests, but may also be used in other
 * contexts.
 *
 * Instances of this interface are considered immutable; all methods that
 * might change state MUST be implemented such that they retain the internal
 * state of the current instance and return an instance that contains the
 * changed state.
 *
 * Typically the Host header will be also be present in the request message.
 * For server-side requests, the scheme will typically be discoverable in the
 * server parameters.
 *
 * @link http://tools.ietf.org/html/rfc3986 (the URI specification)
 */
interface UriInterface
{
    /**
     * Retrieve the scheme component of the URI.
     *
     * If no scheme is present, this method MUST return an empty string.
     *
     * The value returned MUST be normalized to lowercase, per RFC 3986
     * Section 3.1.
     *
     * The trailing ":" character is not part of the scheme and MUST NOT be
     * added.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.1
     * @return string The URI scheme.
     */
    public function getScheme();

    /**
     * Retrieve the authority component of the URI.
     *
     * If no authority information is present, this method MUST return an empty
     * string.
     *
     * The authority syntax of the URI is:
     *
     * <pre>
     * [user-info@]host[:port]
     * </pre>
     *
     * If the port component is not set or is the standard port for the current
     * scheme, it SHOULD NOT be included.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-3.2
     * @return string The URI authority, in "[user-info@]host[:port]" format.
     */
    public function getAuthority();

    /**
     * Retrieve the user information component of the URI.
     *
     * If no user information is present, this method MUST return an empty
     * string.
     *
     * If a user is present in the URI, this will return that value;
     * additionally, if the password is also present, it will be appended to the
     * user value, with a colon (":") separating the values.
     *
     * The trailing "@" character is not part of the user information and MUST
     * NOT be added.
     *
     * @return string The URI user information, in "username[:password]" format.
     */
    public function getUserInfo();

    /**
     * Retrieve the host component of the URI.
     *
     * If no host is present, this method MUST return an empty string.
     *
     * The value returned MUST be normalized to lowercase, per RFC 3986
     * Section 3.2.2.
     *
     * @see http://tools.ietf.org/html/rfc3986#section-3.2.2
     * @return string The URI host.
     */
    public function getHost();

    /**
     * Retrieve the port component of the URI.
     *
     * If a port is present, and it is non-standard for the current scheme,
     * this method MUST return it as an integer. If the port is the standard port
     * used with the current scheme, this method SHOULD return null.
     *
     * If no port is present, and no scheme is present, this method MUST return
     * a null value.
     *
     * If no port is present, but a scheme is present, this method MAY return
     * the standard port for that scheme, but SHOULD return null.
     *
     * @return null|int The URI port.
     */
    public function getPort();

    /**
     * Retrieve the path component of the URI.
     *
     * The path can either be empty or absolute (starting with a slash) or
     * rootless (not starting with a slash). Implementations MUST support all
     * three syntaxes.
     *
     * Normally, the empty path "" and absolute path "/" are considered equal as
     * defined in RFC 7230 Section 2.7.3. But this method MUST NOT automatically
     * do this normalization because in contexts with a trimmed base path, e.g.
     * the front controller, this difference becomes significant. It's the task
     * of the user to handle both "" and "/".
     *
     * The value returned MUST be percent-encoded, but MUST NOT double-encode
     * any characters. To determine what characters to encode, please refer to
     * RFC 3986, Sections 2 and 3.3.
     *
     * As an example, if the value should include a slash ("/") not intended as
     * delimiter between path segments, that value MUST be passed in encoded
     * form (e.g., "%2F") to the instance.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-2
     * @see https://tools.ietf.org/html/rfc3986#section-3.3
     * @return string The URI path.
     */
    public function getPath();

    /**
     * Retrieve the query string of the URI.
     *
     * If no query string is present, this method MUST return an empty string.
     *
     * The leading "?" character is not part of the query and MUST NOT be
     * added.
     *
     * The value returned MUST be percent-encoded, but MUST NOT double-encode
     * any characters. To determine what characters to encode, please refer to
     * RFC 3986, Sections 2 and 3.4.
     *
     * As an example, if a value in a key/value pair of the query string should
     * include an ampersand ("&") not intended as a delimiter between values,
     * that value MUST be passed in encoded form (e.g., "%26") to the instance.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-2
     * @see https://tools.ietf.org/html/rfc3986#section-3.4
     * @return string The URI query string.
     */
    public function getQuery();

    /**
     * Retrieve the fragment component of the URI.
     *
     * If no fragment is present, this method MUST return an empty string.
     *
     * The leading "#" character is not part of the fragment and MUST NOT be
     * added.
     *
     * The value returned MUST be percent-encoded, but MUST NOT double-encode
     * any characters. To determine what characters to encode, please refer to
     * RFC 3986, Sections 2 and 3.5.
     *
     * @see https://tools.ietf.org/html/rfc3986#section-2
     * @see https://tools.ietf.org/html/rfc3986#section-3.5
     * @return string The URI fragment.
     */
    public function getFragment();

    /**
     * Return an instance with the specified scheme.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified scheme.
     *
     * Implementations MUST support the schemes "http" and "https" case
     * insensitively, and MAY accommodate other schemes if required.
     *
     * An empty scheme is equivalent to removing the scheme.
     *
     * @param string $scheme The scheme to use with the new instance.
     * @return static A new instance with the specified scheme.
     * @throws \InvalidArgumentException for invalid or unsupported schemes.
     */
    public function withScheme($scheme);

    /**
     * Return an instance with the specified user information.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified user information.
     *
     * Password is optional, but the user information MUST include the
     * user; an empty string for the user is equivalent to removing user
     * information.
     *
     * @param string $user The user name to use for authority.
     * @param null|string $password The password associated with $user.
     * @return static A new instance with the specified user information.
     */
    public function withUserInfo($user, $password = null);

    /**
     * Return an instance with the specified host.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified host.
     *
     * An empty host value is equivalent to removing the host.
     *
     * @param string $host The hostname to use with the new instance.
     * @return static A new instance with the specified host.
     * @throws \InvalidArgumentException for invalid hostnames.
     */
    public function withHost($host);

    /**
     * Return an instance with the specified port.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified port.
     *
     * Implementations MUST raise an exception for ports outside the
     * established TCP and UDP port ranges.
     *
     * A null value provided for the port is equivalent to removing the port
     * information.
     *
     * @param null|int $port The port to use with the new instance; a null value
     *     removes the port information.
     * @return static A new instance with the specified port.
     * @throws \InvalidArgumentException for invalid ports.
     */
    public function withPort($port);

    /**
     * Return an instance with the specified path.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified path.
     *
     * The path can either be empty or absolute (starting with a slash) or
     * rootless (not starting with a slash). Implementations MUST support all
     * three syntaxes.
     *
     * If the path is intended to be domain-relative rather than path relative then
     * it must begin with a slash ("/"). Paths not starting with a slash ("/")
     * are assumed to be relative to some base path known to the application or
     * consumer.
     *
     * Users can provide both encoded and decoded path characters.
     * Implementations ensure the correct encoding as outlined in getPath().
     *
     * @param string $path The path to use with the new instance.
     * @return static A new instance with the specified path.
     * @throws \InvalidArgumentException for invalid paths.
     */
    public function withPath($path);

    /**
     * Return an instance with the specified query string.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified query string.
     *
     * Users can provide both encoded and decoded query characters.
     * Implementations ensure the correct encoding as outlined in getQuery().
     *
     * An empty query string value is equivalent to removing the query string.
     *
     * @param string $query The query string to use with the new instance.
     * @return static A new instance with the specified query string.
     * @throws \InvalidArgumentException for invalid query strings.
     */
    public function withQuery($query);

    /**
     * Return an instance with the specified URI fragment.
     *
     * This method MUST retain the state of the current instance, and return
     * an instance that contains the specified URI fragment.
     *
     * Users can provide both encoded and decoded fragment characters.
     * Implementations ensure the correct encoding as outlined in getFragment().
     *
     * An empty fragment value is equivalent to removing the fragment.
     *
     * @param string $fragment The fragment to use with the new instance.
     * @return static A new instance with the specified fragment.
     */
    public function withFragment($fragment);

    /**
     * Return the string representation as a URI reference.
     *
     * Depending on which components of the URI are present, the resulting
     * string is either a full URI or relative reference according to RFC 3986,
     * Section 4.1. The method concatenates the various components of the URI,
     * using the appropriate delimiters:
     *
     * - If a scheme is present, it MUST be suffixed by ":".
     * - If an authority is present, it MUST be prefixed by "//".
     * - The path can be concatenated without delimiters. But there are two
     *   cases where the path has to be adjusted to make the URI reference
     *   valid as PHP does not allow to throw an exception in __toString():
     *     - If the path is rootless and an authority is present, the path MUST
     *       be prefixed by "/".
     *     - If the path is starting with more than one "/" and no authority is
     *       present, the starting slashes MUST be reduced to one.
     * - If a query is present, it MUST be prefixed by "?".
     * - If a fragment is present, it MUST be prefixed by "#".
     *
     * @see http://tools.ietf.org/html/rfc3986#section-4.1
     * @return string
     */
    public function __toString();
}
PK     G‰U]=fbrŠ  Š  /  vendor/psr/http-message/src/StreamInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * Describes a data stream.
 *
 * Typically, an instance will wrap a PHP stream; this interface provides
 * a wrapper around the most common operations, including serialization of
 * the entire stream to a string.
 */
interface StreamInterface
{
    /**
     * Reads all data from the stream into a string, from the beginning to end.
     *
     * This method MUST attempt to seek to the beginning of the stream before
     * reading data and read the stream until the end is reached.
     *
     * Warning: This could attempt to load a large amount of data into memory.
     *
     * This method MUST NOT raise an exception in order to conform with PHP's
     * string casting operations.
     *
     * @see http://php.net/manual/en/language.oop5.magic.php#object.tostring
     * @return string
     */
    public function __toString();

    /**
     * Closes the stream and any underlying resources.
     *
     * @return void
     */
    public function close();

    /**
     * Separates any underlying resources from the stream.
     *
     * After the stream has been detached, the stream is in an unusable state.
     *
     * @return resource|null Underlying PHP stream, if any
     */
    public function detach();

    /**
     * Get the size of the stream if known.
     *
     * @return int|null Returns the size in bytes if known, or null if unknown.
     */
    public function getSize();

    /**
     * Returns the current position of the file read/write pointer
     *
     * @return int Position of the file pointer
     * @throws \RuntimeException on error.
     */
    public function tell();

    /**
     * Returns true if the stream is at the end of the stream.
     *
     * @return bool
     */
    public function eof();

    /**
     * Returns whether or not the stream is seekable.
     *
     * @return bool
     */
    public function isSeekable();

    /**
     * Seek to a position in the stream.
     *
     * @link http://www.php.net/manual/en/function.fseek.php
     * @param int $offset Stream offset
     * @param int $whence Specifies how the cursor position will be calculated
     *     based on the seek offset. Valid values are identical to the built-in
     *     PHP $whence values for `fseek()`.  SEEK_SET: Set position equal to
     *     offset bytes SEEK_CUR: Set position to current location plus offset
     *     SEEK_END: Set position to end-of-stream plus offset.
     * @throws \RuntimeException on failure.
     */
    public function seek($offset, $whence = SEEK_SET);

    /**
     * Seek to the beginning of the stream.
     *
     * If the stream is not seekable, this method will raise an exception;
     * otherwise, it will perform a seek(0).
     *
     * @see seek()
     * @link http://www.php.net/manual/en/function.fseek.php
     * @throws \RuntimeException on failure.
     */
    public function rewind();

    /**
     * Returns whether or not the stream is writable.
     *
     * @return bool
     */
    public function isWritable();

    /**
     * Write data to the stream.
     *
     * @param string $string The string that is to be written.
     * @return int Returns the number of bytes written to the stream.
     * @throws \RuntimeException on failure.
     */
    public function write($string);

    /**
     * Returns whether or not the stream is readable.
     *
     * @return bool
     */
    public function isReadable();

    /**
     * Read data from the stream.
     *
     * @param int $length Read up to $length bytes from the object and return
     *     them. Fewer than $length bytes may be returned if underlying stream
     *     call returns fewer bytes.
     * @return string Returns the data read from the stream, or an empty string
     *     if no bytes are available.
     * @throws \RuntimeException if an error occurs.
     */
    public function read($length);

    /**
     * Returns the remaining contents in a string
     *
     * @return string
     * @throws \RuntimeException if unable to read or an error occurs while
     *     reading.
     */
    public function getContents();

    /**
     * Get stream metadata as an associative array or retrieve a specific key.
     *
     * The keys returned are identical to the keys returned from PHP's
     * stream_get_meta_data() function.
     *
     * @link http://php.net/manual/en/function.stream-get-meta-data.php
     * @param string $key Specific metadata to retrieve.
     * @return array|mixed|null Returns an associative array if no key is
     *     provided. Returns a specific key value if a key is provided and the
     *     value is found, or null if the key is not found.
     */
    public function getMetadata($key = null);
}
PK     G‰U]„ ÔÔÎ  Î  0  vendor/psr/http-message/src/RequestInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * Representation of an outgoing, client-side request.
 *
 * Per the HTTP specification, this interface includes properties for
 * each of the following:
 *
 * - Protocol version
 * - HTTP method
 * - URI
 * - Headers
 * - Message body
 *
 * During construction, implementations MUST attempt to set the Host header from
 * a provided URI if no Host header is provided.
 *
 * Requests are considered immutable; all methods that might change state MUST
 * be implemented such that they retain the internal state of the current
 * message and return an instance that contains the changed state.
 */
interface RequestInterface extends MessageInterface
{
    /**
     * Retrieves the message's request target.
     *
     * Retrieves the message's request-target either as it will appear (for
     * clients), as it appeared at request (for servers), or as it was
     * specified for the instance (see withRequestTarget()).
     *
     * In most cases, this will be the origin-form of the composed URI,
     * unless a value was provided to the concrete implementation (see
     * withRequestTarget() below).
     *
     * If no URI is available, and no request-target has been specifically
     * provided, this method MUST return the string "/".
     *
     * @return string
     */
    public function getRequestTarget();

    /**
     * Return an instance with the specific request-target.
     *
     * If the request needs a non-origin-form request-target â€” e.g., for
     * specifying an absolute-form, authority-form, or asterisk-form â€”
     * this method may be used to create an instance with the specified
     * request-target, verbatim.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * changed request target.
     *
     * @link http://tools.ietf.org/html/rfc7230#section-5.3 (for the various
     *     request-target forms allowed in request messages)
     * @param mixed $requestTarget
     * @return static
     */
    public function withRequestTarget($requestTarget);

    /**
     * Retrieves the HTTP method of the request.
     *
     * @return string Returns the request method.
     */
    public function getMethod();

    /**
     * Return an instance with the provided HTTP method.
     *
     * While HTTP method names are typically all uppercase characters, HTTP
     * method names are case-sensitive and thus implementations SHOULD NOT
     * modify the given string.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * changed request method.
     *
     * @param string $method Case-sensitive method.
     * @return static
     * @throws \InvalidArgumentException for invalid HTTP methods.
     */
    public function withMethod($method);

    /**
     * Retrieves the URI instance.
     *
     * This method MUST return a UriInterface instance.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-4.3
     * @return UriInterface Returns a UriInterface instance
     *     representing the URI of the request.
     */
    public function getUri();

    /**
     * Returns an instance with the provided URI.
     *
     * This method MUST update the Host header of the returned request by
     * default if the URI contains a host component. If the URI does not
     * contain a host component, any pre-existing Host header MUST be carried
     * over to the returned request.
     *
     * You can opt-in to preserving the original state of the Host header by
     * setting `$preserveHost` to `true`. When `$preserveHost` is set to
     * `true`, this method interacts with the Host header in the following ways:
     *
     * - If the Host header is missing or empty, and the new URI contains
     *   a host component, this method MUST update the Host header in the returned
     *   request.
     * - If the Host header is missing or empty, and the new URI does not contain a
     *   host component, this method MUST NOT update the Host header in the returned
     *   request.
     * - If a Host header is present and non-empty, this method MUST NOT update
     *   the Host header in the returned request.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new UriInterface instance.
     *
     * @link http://tools.ietf.org/html/rfc3986#section-4.3
     * @param UriInterface $uri New request URI to use.
     * @param bool $preserveHost Preserve the original state of the Host header.
     * @return static
     */
    public function withUri(UriInterface $uri, $preserveHost = false);
}
PK     G‰U]‰-{
  
  1  vendor/psr/http-message/src/ResponseInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * Representation of an outgoing, server-side response.
 *
 * Per the HTTP specification, this interface includes properties for
 * each of the following:
 *
 * - Protocol version
 * - Status code and reason phrase
 * - Headers
 * - Message body
 *
 * Responses are considered immutable; all methods that might change state MUST
 * be implemented such that they retain the internal state of the current
 * message and return an instance that contains the changed state.
 */
interface ResponseInterface extends MessageInterface
{
    /**
     * Gets the response status code.
     *
     * The status code is a 3-digit integer result code of the server's attempt
     * to understand and satisfy the request.
     *
     * @return int Status code.
     */
    public function getStatusCode();

    /**
     * Return an instance with the specified status code and, optionally, reason phrase.
     *
     * If no reason phrase is specified, implementations MAY choose to default
     * to the RFC 7231 or IANA recommended reason phrase for the response's
     * status code.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated status and reason phrase.
     *
     * @link http://tools.ietf.org/html/rfc7231#section-6
     * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
     * @param int $code The 3-digit integer result code to set.
     * @param string $reasonPhrase The reason phrase to use with the
     *     provided status code; if none is provided, implementations MAY
     *     use the defaults as suggested in the HTTP specification.
     * @return static
     * @throws \InvalidArgumentException For invalid status code arguments.
     */
    public function withStatus($code, $reasonPhrase = '');

    /**
     * Gets the response reason phrase associated with the status code.
     *
     * Because a reason phrase is not a required element in a response
     * status line, the reason phrase value MAY be null. Implementations MAY
     * choose to return the default RFC 7231 recommended reason phrase (or those
     * listed in the IANA HTTP Status Code Registry) for the response's
     * status code.
     *
     * @link http://tools.ietf.org/html/rfc7231#section-6
     * @link http://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml
     * @return string Reason phrase; must return an empty string if none present.
     */
    public function getReasonPhrase();
}
PK     G‰U]_ôr'  r'  6  vendor/psr/http-message/src/ServerRequestInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * Representation of an incoming, server-side HTTP request.
 *
 * Per the HTTP specification, this interface includes properties for
 * each of the following:
 *
 * - Protocol version
 * - HTTP method
 * - URI
 * - Headers
 * - Message body
 *
 * Additionally, it encapsulates all data as it has arrived to the
 * application from the CGI and/or PHP environment, including:
 *
 * - The values represented in $_SERVER.
 * - Any cookies provided (generally via $_COOKIE)
 * - Query string arguments (generally via $_GET, or as parsed via parse_str())
 * - Upload files, if any (as represented by $_FILES)
 * - Deserialized body parameters (generally from $_POST)
 *
 * $_SERVER values MUST be treated as immutable, as they represent application
 * state at the time of request; as such, no methods are provided to allow
 * modification of those values. The other values provide such methods, as they
 * can be restored from $_SERVER or the request body, and may need treatment
 * during the application (e.g., body parameters may be deserialized based on
 * content type).
 *
 * Additionally, this interface recognizes the utility of introspecting a
 * request to derive and match additional parameters (e.g., via URI path
 * matching, decrypting cookie values, deserializing non-form-encoded body
 * content, matching authorization headers to users, etc). These parameters
 * are stored in an "attributes" property.
 *
 * Requests are considered immutable; all methods that might change state MUST
 * be implemented such that they retain the internal state of the current
 * message and return an instance that contains the changed state.
 */
interface ServerRequestInterface extends RequestInterface
{
    /**
     * Retrieve server parameters.
     *
     * Retrieves data related to the incoming request environment,
     * typically derived from PHP's $_SERVER superglobal. The data IS NOT
     * REQUIRED to originate from $_SERVER.
     *
     * @return array
     */
    public function getServerParams();

    /**
     * Retrieve cookies.
     *
     * Retrieves cookies sent by the client to the server.
     *
     * The data MUST be compatible with the structure of the $_COOKIE
     * superglobal.
     *
     * @return array
     */
    public function getCookieParams();

    /**
     * Return an instance with the specified cookies.
     *
     * The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST
     * be compatible with the structure of $_COOKIE. Typically, this data will
     * be injected at instantiation.
     *
     * This method MUST NOT update the related Cookie header of the request
     * instance, nor related values in the server params.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated cookie values.
     *
     * @param array $cookies Array of key/value pairs representing cookies.
     * @return static
     */
    public function withCookieParams(array $cookies);

    /**
     * Retrieve query string arguments.
     *
     * Retrieves the deserialized query string arguments, if any.
     *
     * Note: the query params might not be in sync with the URI or server
     * params. If you need to ensure you are only getting the original
     * values, you may need to parse the query string from `getUri()->getQuery()`
     * or from the `QUERY_STRING` server param.
     *
     * @return array
     */
    public function getQueryParams();

    /**
     * Return an instance with the specified query string arguments.
     *
     * These values SHOULD remain immutable over the course of the incoming
     * request. They MAY be injected during instantiation, such as from PHP's
     * $_GET superglobal, or MAY be derived from some other value such as the
     * URI. In cases where the arguments are parsed from the URI, the data
     * MUST be compatible with what PHP's parse_str() would return for
     * purposes of how duplicate query parameters are handled, and how nested
     * sets are handled.
     *
     * Setting query string arguments MUST NOT change the URI stored by the
     * request, nor the values in the server params.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated query string arguments.
     *
     * @param array $query Array of query string arguments, typically from
     *     $_GET.
     * @return static
     */
    public function withQueryParams(array $query);

    /**
     * Retrieve normalized file upload data.
     *
     * This method returns upload metadata in a normalized tree, with each leaf
     * an instance of Psr\Http\Message\UploadedFileInterface.
     *
     * These values MAY be prepared from $_FILES or the message body during
     * instantiation, or MAY be injected via withUploadedFiles().
     *
     * @return array An array tree of UploadedFileInterface instances; an empty
     *     array MUST be returned if no data is present.
     */
    public function getUploadedFiles();

    /**
     * Create a new instance with the specified uploaded files.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated body parameters.
     *
     * @param array $uploadedFiles An array tree of UploadedFileInterface instances.
     * @return static
     * @throws \InvalidArgumentException if an invalid structure is provided.
     */
    public function withUploadedFiles(array $uploadedFiles);

    /**
     * Retrieve any parameters provided in the request body.
     *
     * If the request Content-Type is either application/x-www-form-urlencoded
     * or multipart/form-data, and the request method is POST, this method MUST
     * return the contents of $_POST.
     *
     * Otherwise, this method may return any results of deserializing
     * the request body content; as parsing returns structured content, the
     * potential types MUST be arrays or objects only. A null value indicates
     * the absence of body content.
     *
     * @return null|array|object The deserialized body parameters, if any.
     *     These will typically be an array or object.
     */
    public function getParsedBody();

    /**
     * Return an instance with the specified body parameters.
     *
     * These MAY be injected during instantiation.
     *
     * If the request Content-Type is either application/x-www-form-urlencoded
     * or multipart/form-data, and the request method is POST, use this method
     * ONLY to inject the contents of $_POST.
     *
     * The data IS NOT REQUIRED to come from $_POST, but MUST be the results of
     * deserializing the request body content. Deserialization/parsing returns
     * structured data, and, as such, this method ONLY accepts arrays or objects,
     * or a null value if nothing was available to parse.
     *
     * As an example, if content negotiation determines that the request data
     * is a JSON payload, this method could be used to create a request
     * instance with the deserialized parameters.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated body parameters.
     *
     * @param null|array|object $data The deserialized body data. This will
     *     typically be in an array or object.
     * @return static
     * @throws \InvalidArgumentException if an unsupported argument type is
     *     provided.
     */
    public function withParsedBody($data);

    /**
     * Retrieve attributes derived from the request.
     *
     * The request "attributes" may be used to allow injection of any
     * parameters derived from the request: e.g., the results of path
     * match operations; the results of decrypting cookies; the results of
     * deserializing non-form-encoded message bodies; etc. Attributes
     * will be application and request specific, and CAN be mutable.
     *
     * @return array Attributes derived from the request.
     */
    public function getAttributes();

    /**
     * Retrieve a single derived request attribute.
     *
     * Retrieves a single derived request attribute as described in
     * getAttributes(). If the attribute has not been previously set, returns
     * the default value as provided.
     *
     * This method obviates the need for a hasAttribute() method, as it allows
     * specifying a default value to return if the attribute is not found.
     *
     * @see getAttributes()
     * @param string $name The attribute name.
     * @param mixed $default Default value to return if the attribute does not exist.
     * @return mixed
     */
    public function getAttribute($name, $default = null);

    /**
     * Return an instance with the specified derived request attribute.
     *
     * This method allows setting a single derived request attribute as
     * described in getAttributes().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * updated attribute.
     *
     * @see getAttributes()
     * @param string $name The attribute name.
     * @param mixed $value The value of the attribute.
     * @return static
     */
    public function withAttribute($name, $value);

    /**
     * Return an instance that removes the specified derived request attribute.
     *
     * This method allows removing a single derived request attribute as
     * described in getAttributes().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that removes
     * the attribute.
     *
     * @see getAttributes()
     * @param string $name The attribute name.
     * @return static
     */
    public function withoutAttribute($name);
}
PK     G‰U]¡z /þ  þ  0  vendor/psr/http-message/src/MessageInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Message;

/**
 * HTTP messages consist of requests from a client to a server and responses
 * from a server to a client. This interface defines the methods common to
 * each.
 *
 * Messages are considered immutable; all methods that might change state MUST
 * be implemented such that they retain the internal state of the current
 * message and return an instance that contains the changed state.
 *
 * @link http://www.ietf.org/rfc/rfc7230.txt
 * @link http://www.ietf.org/rfc/rfc7231.txt
 */
interface MessageInterface
{
    /**
     * Retrieves the HTTP protocol version as a string.
     *
     * The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").
     *
     * @return string HTTP protocol version.
     */
    public function getProtocolVersion();

    /**
     * Return an instance with the specified HTTP protocol version.
     *
     * The version string MUST contain only the HTTP version number (e.g.,
     * "1.1", "1.0").
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new protocol version.
     *
     * @param string $version HTTP protocol version
     * @return static
     */
    public function withProtocolVersion($version);

    /**
     * Retrieves all message header values.
     *
     * The keys represent the header name as it will be sent over the wire, and
     * each value is an array of strings associated with the header.
     *
     *     // Represent the headers as a string
     *     foreach ($message->getHeaders() as $name => $values) {
     *         echo $name . ": " . implode(", ", $values);
     *     }
     *
     *     // Emit headers iteratively:
     *     foreach ($message->getHeaders() as $name => $values) {
     *         foreach ($values as $value) {
     *             header(sprintf('%s: %s', $name, $value), false);
     *         }
     *     }
     *
     * While header names are not case-sensitive, getHeaders() will preserve the
     * exact case in which headers were originally specified.
     *
     * @return string[][] Returns an associative array of the message's headers. Each
     *     key MUST be a header name, and each value MUST be an array of strings
     *     for that header.
     */
    public function getHeaders();

    /**
     * Checks if a header exists by the given case-insensitive name.
     *
     * @param string $name Case-insensitive header field name.
     * @return bool Returns true if any header names match the given header
     *     name using a case-insensitive string comparison. Returns false if
     *     no matching header name is found in the message.
     */
    public function hasHeader($name);

    /**
     * Retrieves a message header value by the given case-insensitive name.
     *
     * This method returns an array of all the header values of the given
     * case-insensitive header name.
     *
     * If the header does not appear in the message, this method MUST return an
     * empty array.
     *
     * @param string $name Case-insensitive header field name.
     * @return string[] An array of string values as provided for the given
     *    header. If the header does not appear in the message, this method MUST
     *    return an empty array.
     */
    public function getHeader($name);

    /**
     * Retrieves a comma-separated string of the values for a single header.
     *
     * This method returns all of the header values of the given
     * case-insensitive header name as a string concatenated together using
     * a comma.
     *
     * NOTE: Not all header values may be appropriately represented using
     * comma concatenation. For such headers, use getHeader() instead
     * and supply your own delimiter when concatenating.
     *
     * If the header does not appear in the message, this method MUST return
     * an empty string.
     *
     * @param string $name Case-insensitive header field name.
     * @return string A string of values as provided for the given header
     *    concatenated together using a comma. If the header does not appear in
     *    the message, this method MUST return an empty string.
     */
    public function getHeaderLine($name);

    /**
     * Return an instance with the provided value replacing the specified header.
     *
     * While header names are case-insensitive, the casing of the header will
     * be preserved by this function, and returned from getHeaders().
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new and/or updated header and value.
     *
     * @param string $name Case-insensitive header field name.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws \InvalidArgumentException for invalid header names or values.
     */
    public function withHeader($name, $value);

    /**
     * Return an instance with the specified header appended with the given value.
     *
     * Existing values for the specified header will be maintained. The new
     * value(s) will be appended to the existing list. If the header did not
     * exist previously, it will be added.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that has the
     * new header and/or value.
     *
     * @param string $name Case-insensitive header field name to add.
     * @param string|string[] $value Header value(s).
     * @return static
     * @throws \InvalidArgumentException for invalid header names or values.
     */
    public function withAddedHeader($name, $value);

    /**
     * Return an instance without the specified header.
     *
     * Header resolution MUST be done without case-sensitivity.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return an instance that removes
     * the named header.
     *
     * @param string $name Case-insensitive header field name to remove.
     * @return static
     */
    public function withoutHeader($name);

    /**
     * Gets the body of the message.
     *
     * @return StreamInterface Returns the body as a stream.
     */
    public function getBody();

    /**
     * Return an instance with the specified message body.
     *
     * The body MUST be a StreamInterface object.
     *
     * This method MUST be implemented in such a way as to retain the
     * immutability of the message, and MUST return a new instance that has the
     * new body stream.
     *
     * @param StreamInterface $body Body.
     * @return static
     * @throws \InvalidArgumentException When the body is not valid.
     */
    public function withBody(StreamInterface $body);
}
PK     G‰U]ÅS¸=  =    vendor/psr/http-client/LICENSEnu „[µü¤        Copyright (c) 2017 PHP Framework Interoperability Group

Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is 
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in 
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     H‰U]çó:¾«   «   7  vendor/psr/http-client/src/ClientExceptionInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Client;

/**
 * Every HTTP client related exception MUST implement this interface.
 */
interface ClientExceptionInterface extends \Throwable
{
}
PK     H‰U]"Ä7’  ’  8  vendor/psr/http-client/src/NetworkExceptionInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Client;

use Psr\Http\Message\RequestInterface;

/**
 * Thrown when the request cannot be completed because of network issues.
 *
 * There is no response object as this exception is thrown when no response has been received.
 *
 * Example: the target host name can not be resolved or the connection failed.
 */
interface NetworkExceptionInterface extends ClientExceptionInterface
{
    /**
     * Returns the request.
     *
     * The request object MAY be a different object from the one passed to ClientInterface::sendRequest()
     *
     * @return RequestInterface
     */
    public function getRequest(): RequestInterface;
}
PK     H‰U]ŒEÕuJ  J  8  vendor/psr/http-client/src/RequestExceptionInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Client;

use Psr\Http\Message\RequestInterface;

/**
 * Exception for when a request failed.
 *
 * Examples:
 *      - Request is invalid (e.g. method is missing)
 *      - Runtime request errors (e.g. the body stream is not seekable)
 */
interface RequestExceptionInterface extends ClientExceptionInterface
{
    /**
     * Returns the request.
     *
     * The request object MAY be a different object from the one passed to ClientInterface::sendRequest()
     *
     * @return RequestInterface
     */
    public function getRequest(): RequestInterface;
}
PK     H‰U]Òžvô  ô  .  vendor/psr/http-client/src/ClientInterface.phpnu „[µü¤        <?php

namespace Psr\Http\Client;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

interface ClientInterface
{
    /**
     * Sends a PSR-7 request and returns a PSR-7 response.
     *
     * @param RequestInterface $request
     *
     * @return ResponseInterface
     *
     * @throws \Psr\Http\Client\ClientExceptionInterface If an error happens while processing the request.
     */
    public function sendRequest(RequestInterface $request): ResponseInterface;
}
PK     H‰U]D©f¼8  8    vendor/psr/cache/LICENSE.txtnu „[µü¤        Copyright (c) 2015 PHP Framework Interoperability Group

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
PK     H‰U]4z=¸¼  ¼  +  vendor/psr/cache/src/CacheItemInterface.phpnu „[µü¤        <?php

namespace Psr\Cache;

/**
 * CacheItemInterface defines an interface for interacting with objects inside a cache.
 *
 * Each Item object MUST be associated with a specific key, which can be set
 * according to the implementing system and is typically passed by the
 * Cache\CacheItemPoolInterface object.
 *
 * The Cache\CacheItemInterface object encapsulates the storage and retrieval of
 * cache items. Each Cache\CacheItemInterface is generated by a
 * Cache\CacheItemPoolInterface object, which is responsible for any required
 * setup as well as associating the object with a unique Key.
 * Cache\CacheItemInterface objects MUST be able to store and retrieve any type
 * of PHP value defined in the Data section of the specification.
 *
 * Calling Libraries MUST NOT instantiate Item objects themselves. They may only
 * be requested from a Pool object via the getItem() method.  Calling Libraries
 * SHOULD NOT assume that an Item created by one Implementing Library is
 * compatible with a Pool from another Implementing Library.
 */
interface CacheItemInterface
{
    /**
     * Returns the key for the current cache item.
     *
     * The key is loaded by the Implementing Library, but should be available to
     * the higher level callers when needed.
     *
     * @return string
     *   The key string for this cache item.
     */
    public function getKey();

    /**
     * Retrieves the value of the item from the cache associated with this object's key.
     *
     * The value returned must be identical to the value originally stored by set().
     *
     * If isHit() returns false, this method MUST return null. Note that null
     * is a legitimate cached value, so the isHit() method SHOULD be used to
     * differentiate between "null value was found" and "no value was found."
     *
     * @return mixed
     *   The value corresponding to this cache item's key, or null if not found.
     */
    public function get();

    /**
     * Confirms if the cache item lookup resulted in a cache hit.
     *
     * Note: This method MUST NOT have a race condition between calling isHit()
     * and calling get().
     *
     * @return bool
     *   True if the request resulted in a cache hit. False otherwise.
     */
    public function isHit();

    /**
     * Sets the value represented by this cache item.
     *
     * The $value argument may be any item that can be serialized by PHP,
     * although the method of serialization is left up to the Implementing
     * Library.
     *
     * @param mixed $value
     *   The serializable value to be stored.
     *
     * @return static
     *   The invoked object.
     */
    public function set($value);

    /**
     * Sets the expiration time for this cache item.
     *
     * @param \DateTimeInterface|null $expiration
     *   The point in time after which the item MUST be considered expired.
     *   If null is passed explicitly, a default value MAY be used. If none is set,
     *   the value should be stored permanently or for as long as the
     *   implementation allows.
     *
     * @return static
     *   The called object.
     */
    public function expiresAt($expiration);

    /**
     * Sets the expiration time for this cache item.
     *
     * @param int|\DateInterval|null $time
     *   The period of time from the present after which the item MUST be considered
     *   expired. An integer parameter is understood to be the time in seconds until
     *   expiration. If null is passed explicitly, a default value MAY be used.
     *   If none is set, the value should be stored permanently or for as long as the
     *   implementation allows.
     *
     * @return static
     *   The called object.
     */
    public function expiresAfter($time);
}
PK     H‰U]®ýK¼�   �   '  vendor/psr/cache/src/CacheException.phpnu „[µü¤        <?php

namespace Psr\Cache;

/**
 * Exception interface for all exceptions thrown by an Implementing Library.
 */
interface CacheException
{
}
PK     H‰U]ölÄ%  %  /  vendor/psr/cache/src/CacheItemPoolInterface.phpnu „[µü¤        <?php

namespace Psr\Cache;

/**
 * CacheItemPoolInterface generates CacheItemInterface objects.
 *
 * The primary purpose of Cache\CacheItemPoolInterface is to accept a key from
 * the Calling Library and return the associated Cache\CacheItemInterface object.
 * It is also the primary point of interaction with the entire cache collection.
 * All configuration and initialization of the Pool is left up to an
 * Implementing Library.
 */
interface CacheItemPoolInterface
{
    /**
     * Returns a Cache Item representing the specified key.
     *
     * This method must always return a CacheItemInterface object, even in case of
     * a cache miss. It MUST NOT return null.
     *
     * @param string $key
     *   The key for which to return the corresponding Cache Item.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return CacheItemInterface
     *   The corresponding Cache Item.
     */
    public function getItem($key);

    /**
     * Returns a traversable set of cache items.
     *
     * @param string[] $keys
     *   An indexed array of keys of items to retrieve.
     *
     * @throws InvalidArgumentException
     *   If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return array|\Traversable
     *   A traversable collection of Cache Items keyed by the cache keys of
     *   each item. A Cache item will be returned for each key, even if that
     *   key is not found. However, if no keys are specified then an empty
     *   traversable MUST be returned instead.
     */
    public function getItems(array $keys = array());

    /**
     * Confirms if the cache contains specified cache item.
     *
     * Note: This method MAY avoid retrieving the cached value for performance reasons.
     * This could result in a race condition with CacheItemInterface::get(). To avoid
     * such situation use CacheItemInterface::isHit() instead.
     *
     * @param string $key
     *   The key for which to check existence.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if item exists in the cache, false otherwise.
     */
    public function hasItem($key);

    /**
     * Deletes all items in the pool.
     *
     * @return bool
     *   True if the pool was successfully cleared. False if there was an error.
     */
    public function clear();

    /**
     * Removes the item from the pool.
     *
     * @param string $key
     *   The key to delete.
     *
     * @throws InvalidArgumentException
     *   If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if the item was successfully removed. False if there was an error.
     */
    public function deleteItem($key);

    /**
     * Removes multiple items from the pool.
     *
     * @param string[] $keys
     *   An array of keys that should be removed from the pool.

     * @throws InvalidArgumentException
     *   If any of the keys in $keys are not a legal value a \Psr\Cache\InvalidArgumentException
     *   MUST be thrown.
     *
     * @return bool
     *   True if the items were successfully removed. False if there was an error.
     */
    public function deleteItems(array $keys);

    /**
     * Persists a cache item immediately.
     *
     * @param CacheItemInterface $item
     *   The cache item to save.
     *
     * @return bool
     *   True if the item was successfully persisted. False if there was an error.
     */
    public function save(CacheItemInterface $item);

    /**
     * Sets a cache item to be persisted later.
     *
     * @param CacheItemInterface $item
     *   The cache item to save.
     *
     * @return bool
     *   False if the item could not be queued or if a commit was attempted and failed. True otherwise.
     */
    public function saveDeferred(CacheItemInterface $item);

    /**
     * Persists any deferred cache items.
     *
     * @return bool
     *   True if all not-yet-saved items were successfully saved or there were none. False otherwise.
     */
    public function commit();
}
PK     H‰U]’Gb<+  +  1  vendor/psr/cache/src/InvalidArgumentException.phpnu „[µü¤        <?php

namespace Psr\Cache;

/**
 * Exception interface for invalid cache arguments.
 *
 * Any time an invalid argument is passed into a method it must throw an
 * exception class which implements Psr\Cache\InvalidArgumentException.
 */
interface InvalidArgumentException extends CacheException
{
}
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</font></defs></svg>PK     H‰U]«‡×¢&   &     assets/index.phpnu „[µü¤        <?php
/**
 * Nothing to see here.
 */
PK     H‰U]¿û‡×  ×    assets/img/icon.svgnu „[µü¤        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="350" height="350" viewBox="0 0 350 350">
  <defs>
    <style>
      .cls-1 {
        fill: url(#linear-gradient);
      }

      .cls-2 {
        fill: #fff;
        fill-rule: evenodd;
      }
    </style>
    <linearGradient id="linear-gradient" y1="350" x2="350" gradientUnits="userSpaceOnUse">
      <stop offset="0" stop-color="#202687"/>
      <stop offset="0.001" stop-color="#202687"/>
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  <path id="Bars" class="cls-2" d="M304.624,147.873l-42.729,1.91,7.528,11.721-71.306,45.265-70.668-29.494L45.383,211.239l5.684,13.584L127.418,193.2l72.119,30.115,77.8-49.425,7.544,11.72ZM192.991,66.015V197.286l4.06,1.71L247,167.077V66.015H192.991ZM134.014,173.122L189,195V106H134.014v67.126ZM75.006,191.014l52.426-21.5L130,170.57V140.011H75.006v51Z"/>
  <path id="RankMath" class="cls-2" d="M211.48,283.427l-0.047-23.143-11.477,19.155h-2.89L185.6,260.581v22.846h-6.19V248.511h5.341l13.862,23.143,13.619-23.143h5.341l0.047,34.916H211.48Zm37.254-15.613v15.613h-5.886v-3.24c-1.5,2.3-4.392,3.59-8.379,3.59-6.083,0-9.928-3.341-9.928-7.981,0-4.439,3-7.916,11.073-7.916H242.5v-0.416c0-3.637-2.2-5.785-6.634-5.785a13.209,13.209,0,0,0-8.076,2.646l-2.445-4.539c2.842-2.2,6.984-3.294,11.274-3.294C244.3,256.492,248.734,260.165,248.734,267.814ZM242.5,275.1v-3.067h-6.432c-4.243,0-5.388,1.6-5.388,3.56,0,2.243,1.9,3.691,5.091,3.691C238.818,279.238,241.453,277.843,242.5,275.1Zm30.223,6.878a9.846,9.846,0,0,1-5.982,1.781c-5.839,0-9.18-3.092-9.18-8.979v-12.8h-4.391v-4.99h4.391v-6.083H263.8v6.083h7.121v4.99H263.8v12.67c0,2.593,1.293,3.987,3.691,3.987a5.593,5.593,0,0,0,3.489-1.1Zm31.373-13.815v15.263h-6.237V268.965c0-4.746-2.373-7.037-6.331-7.037-4.439,0-7.436,2.694-7.436,8.035v13.464h-6.231V246.416h6.231v13.47a11.9,11.9,0,0,1,8.9-3.394C299.346,256.492,304.093,260.165,304.093,268.164Zm-234.2,15.263L62.772,273.22a12.621,12.621,0,0,1-1.347.054H53.533v10.153H47.047V248.511H61.39c9.174,0,14.865,4.688,14.865,12.42a11.166,11.166,0,0,1-7.436,11.026l8.058,11.47H69.893ZM61.111,254H53.533v13.916h7.578c5.691,0,8.628-2.594,8.628-6.985S66.8,254,61.111,254Zm43.841,13.814v15.613H99.065v-3.24c-1.5,2.3-4.391,3.59-8.379,3.59-6.083,0-9.928-3.341-9.928-7.981,0-4.439,3-7.928,11.073-7.928h6.884v-0.4c0-3.637-2.2-5.785-6.634-5.785A13.21,13.21,0,0,0,84,264.325l-2.439-4.539c2.843-2.2,6.984-3.294,11.275-3.294C100.513,256.492,104.952,260.165,104.952,267.814ZM98.715,275.1v-3.067H92.282c-4.237,0-5.388,1.6-5.388,3.56,0,2.243,1.9,3.691,5.092,3.691C95.024,279.238,97.671,277.843,98.715,275.1Zm40.453-6.937v15.263h-6.237V268.965c0-4.746-2.344-7.037-6.338-7.037-4.438,0-7.429,2.694-7.429,8.035v13.464h-6.237V256.8h5.934v3.441c2.048-2.444,5.293-3.744,9.18-3.744C134.426,256.492,139.168,260.165,139.168,268.164Zm18.8,3.87-4.641,4.391v7H147.09V246.416h6.236v22.348L166.245,256.8h7.483L162.6,267.969l12.171,15.458h-7.578Z"/>
</svg>
PK     I‰U]ž™ÐB      assets/js/console.jsnu „[µü¤        // minifyOnSave
jQuery(document).ready(function($) {
	var $responseTextarea = $('#giapi-response');
	var $submitButton = $('#giapi-submit');
	var $urlField = $('#giapi-url');
	var $actionRadio = $('.giapi-action');
	var $ufResponse = $('#giapi-response-userfriendly');
	var logResponse = function( info, url, api_action ) {
		var d = new Date();
		var n = d.toLocaleTimeString();
		var urls = $urlField.val().split('\n').filter(Boolean);
		var urls_str = urls[0];
		var is_batch = false;
		var action = $actionRadio.filter(':checked').val();
		if ( urls.length > 1 ) {
			urls_str = '(batch)';
			is_batch = true;
		}

		var action_label = action;
		if ( 'bing_submit' === action ) {
			action_label = 'indexnow_submit';
		}

		$ufResponse.removeClass('not-ready fail success').addClass('ready').find('.response-id').html('<strong>' + action_label + '</strong>' + ' ' + urls_str);
		if ( api_action !== 'bing_submit' ) {
			if ( ! is_batch ) {
				if ( typeof info.error !== 'undefined' ) {
					$ufResponse.addClass('fail').find('.response-status').text(rm_giapi.l10n_error+' '+info.error.code).siblings('.response-message').text(info.error.message);
				} else {
					var base = info;
					if ( typeof info.urlNotificationMetadata !== 'undefined' ) {
						base = info.urlNotificationMetadata;
					}

					// Now.
					var timestamp = Date.now();
					if ( typeof base.latestUpdate !== 'undefined' && typeof base.latestUpdate.notifyTime !== 'undefined' ) {
						timestamp = base.latestUpdate.notifyTime;
					}

					var d = new Date(timestamp);
					$ufResponse.addClass('success').find('.response-status').text(rm_giapi.l10n_success+' ').siblings('.response-message').text(rm_giapi.l10n_last_updated+' ' + d.toString());
				}
			} else {
				$ufResponse.addClass('success').find('.response-status').text(rm_giapi.l10n_success+' ').siblings('.response-message').text(rm_giapi.l10n_see_response);
				if ( typeof info.error !== 'undefined' ) {
					$ufResponse.addClass('fail').find('.response-status').text(rm_giapi.l10n_error+' '+info.error.code).siblings('.response-message').text(info.error.message);
				} else {
					$.each(info, function(index, val) {
						if ( typeof val.error !== 'undefined' ) {
							var error_code = '';
							if ( typeof val.error.code !== 'undefined' ) {
								error_code = val.error.code;
							}
							var error_message = '';
							if ( typeof val.error.message !== 'undefined' ) {
								error_message = val.error.message;
							}
							$ufResponse.addClass('fail').find('.response-status').text(rm_giapi.l10n_error+' '+error_code).siblings('.response-message').text(val.error.message);
						}
					});
				}
			}
		} else {
			// Bing URL submission API.
			if ( typeof info.error !== 'undefined' ) {
				$ufResponse.addClass('fail').find('.response-status').text(rm_giapi.l10n_error+' '+info.error.code).siblings('.response-message').text(info.error.message);
			} else {
				$ufResponse.addClass('success').find('.response-status').text(rm_giapi.l10n_success+' ').siblings('.response-message').text(rm_giapi.l10n_see_response);
			}

			action = 'indexnow_submit';
		}

		var rawdata = n + " " + action + ": " + urls_str + "\n" + JSON.stringify(info, null, 2) + "\n" + "-".repeat(56);
		var current = $responseTextarea.val();
		$responseTextarea.val(rawdata + "\n" + current);
	};

	$('#giapi-response-trigger').click(function(e) {
			e.preventDefault();
			$(this).find('.dashicons').toggleClass('dashicons-arrow-down-alt2 dashicons-arrow-up-alt2')
			$('#giapi-response-wrapper').toggle();
	});

	$('#instant-indexing').submit(function(event) {
		event.preventDefault();
		$submitButton.attr('disabled', 'disabled');
		var input_url = $urlField.val();
		var api_action = $actionRadio.filter(':checked').val();
		var nonce = $('#_wpnonce').val();
		$.ajax({
			url: ajaxurl,
			type: 'POST',
			dataType: 'json',
			data: { action: 'rm_giapi', url: input_url, api_action: api_action, _wpnonce: nonce },
		}).always(function(data) {
			logResponse( data, input_url, api_action );
			$submitButton.removeAttr('disabled');
			$.ajax({
				url: ajaxurl,
				type: 'POST',
				dataType: 'json',
				data: { action: 'rm_giapi_limits', _wpnonce: nonce },
			})
			.done(function( data ) {
				$.each( data, function(index, val) {
					$('#giapi-limit-'+index).text(val);
				});
			});
		});
	});

	if ( rm_giapi.submit_onload ) {
		$('#instant-indexing').submit();
	}

	$( '#indexnow_show_response_codes' ).on( 'click', function( e ) {
		e.preventDefault();
		$( this ).toggleClass( 'active' );
		$( '#indexnow_response_codes' ).toggleClass( 'hidden' );
	});

	$('#indexnow_reset_key').on( 'click', function( e ) {
		e.preventDefault();
		let originalValue = $( '#giapi_indexnow_api_key' ).val();
		$( '#giapi_indexnow_api_key' ).val( '...' );
		$.ajax( {
			url: rankMath.api.root + 'rankmath/v1/in/resetKey',
			type: 'POST',
			beforeSend( xhr ) {
				xhr.setRequestHeader( 'X-WP-Nonce', rankMath.api.nonce );
			},
			success: function( response ) {
				$( '#giapi_indexnow_api_key' ).val( response.key );
				$( '#indexnow_api_key_location').text( response.location );
				$( '#indexnow_check_key' ).attr( 'href', response.location );
			},
			error: function( response ) {
				$( '#giapi_indexnow_api_key' ).val( originalValue )
			},
		} )
	} )
	
});

jQuery(window).on('load', function() {
	jQuery('#giapi-submit').prop('disabled', false);
});
PK     I‰U]‡¸WÓs  s    assets/js/console.min.jsnu „[µü¤        !function(e){var i={};function n(t){if(i[t])return i[t].exports;var r=i[t]={i:t,l:!1,exports:{}};return e[t].call(r.exports,r,r.exports,n),r.l=!0,r.exports}n.m=e,n.c=i,n.d=function(e,i,t){n.o(e,i)||Object.defineProperty(e,i,{enumerable:!0,get:t})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,i){if(1&i&&(e=n(e)),8&i)return e;if(4&i&&"object"==typeof e&&e&&e.__esModule)return e;var t=Object.create(null);if(n.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:e}),2&i&&"string"!=typeof e)for(var r in e)n.d(t,r,function(i){return e[i]}.bind(null,r));return t},n.n=function(e){var i=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(i,"a",i),i},n.o=function(e,i){return Object.prototype.hasOwnProperty.call(e,i)},n.p="",n(n.s=0)}([function(e,i){jQuery(document).ready((function(e){var i=e("#giapi-response"),n=e("#giapi-submit"),t=e("#giapi-url"),r=e(".giapi-action"),s=e("#giapi-response-userfriendly");e("#giapi-response-trigger").click((function(i){i.preventDefault(),e(this).find(".dashicons").toggleClass("dashicons-arrow-down-alt2 dashicons-arrow-up-alt2"),e("#giapi-response-wrapper").toggle()})),e("#instant-indexing").submit((function(a){a.preventDefault(),n.attr("disabled","disabled");var o=t.val(),l=r.filter(":checked").val(),d=e("#_wpnonce").val();e.ajax({url:ajaxurl,type:"POST",dataType:"json",data:{action:"rm_giapi",url:o,api_action:l,_wpnonce:d}}).always((function(a){!function(n,a,o){var l=(m=new Date).toLocaleTimeString(),d=t.val().split("\n").filter(Boolean),p=d[0],u=!1,c=r.filter(":checked").val();d.length>1&&(p="(batch)",u=!0);var f=c;if("bing_submit"===c&&(f="indexnow_submit"),s.removeClass("not-ready fail success").addClass("ready").find(".response-id").html("<strong>"+f+"</strong> "+p),"bing_submit"!==o)if(u)s.addClass("success").find(".response-status").text(rm_giapi.l10n_success+" ").siblings(".response-message").text(rm_giapi.l10n_see_response),void 0!==n.error?s.addClass("fail").find(".response-status").text(rm_giapi.l10n_error+" "+n.error.code).siblings(".response-message").text(n.error.message):e.each(n,(function(e,i){if(void 0!==i.error){var n="";void 0!==i.error.code&&(n=i.error.code);void 0!==i.error.message&&i.error.message,s.addClass("fail").find(".response-status").text(rm_giapi.l10n_error+" "+n).siblings(".response-message").text(i.error.message)}}));else if(void 0!==n.error)s.addClass("fail").find(".response-status").text(rm_giapi.l10n_error+" "+n.error.code).siblings(".response-message").text(n.error.message);else{var g=n;void 0!==n.urlNotificationMetadata&&(g=n.urlNotificationMetadata);var _=Date.now();void 0!==g.latestUpdate&&void 0!==g.latestUpdate.notifyTime&&(_=g.latestUpdate.notifyTime);var m=new Date(_);s.addClass("success").find(".response-status").text(rm_giapi.l10n_success+" ").siblings(".response-message").text(rm_giapi.l10n_last_updated+" "+m.toString())}else void 0!==n.error?s.addClass("fail").find(".response-status").text(rm_giapi.l10n_error+" "+n.error.code).siblings(".response-message").text(n.error.message):s.addClass("success").find(".response-status").text(rm_giapi.l10n_success+" ").siblings(".response-message").text(rm_giapi.l10n_see_response),c="indexnow_submit";var v=l+" "+c+": "+p+"\n"+JSON.stringify(n,null,2)+"\n"+"-".repeat(56),x=i.val();i.val(v+"\n"+x)}(a,0,l),n.removeAttr("disabled"),e.ajax({url:ajaxurl,type:"POST",dataType:"json",data:{action:"rm_giapi_limits",_wpnonce:d}}).done((function(i){e.each(i,(function(i,n){e("#giapi-limit-"+i).text(n)}))}))}))})),rm_giapi.submit_onload&&e("#instant-indexing").submit(),e("#indexnow_show_response_codes").on("click",(function(i){i.preventDefault(),e(this).toggleClass("active"),e("#indexnow_response_codes").toggleClass("hidden")})),e("#indexnow_reset_key").on("click",(function(i){i.preventDefault();var n=e("#giapi_indexnow_api_key").val();e("#giapi_indexnow_api_key").val("..."),e.ajax({url:rankMath.api.root+"rankmath/v1/in/resetKey",type:"POST",beforeSend:function(e){e.setRequestHeader("X-WP-Nonce",rankMath.api.nonce)},success:function(i){e("#giapi_indexnow_api_key").val(i.key),e("#indexnow_api_key_location").text(i.location),e("#indexnow_check_key").attr("href",i.location)},error:function(i){e("#giapi_indexnow_api_key").val(n)}})}))})),jQuery(window).on("load",(function(){jQuery("#giapi-submit").prop("disabled",!1)}))}]);PK     I‰U]Hî’ûi  i    assets/js/dashboard.jsnu „[µü¤        // minifyOnSave
jQuery(document).ready(function($) {
	var dialog = $( '#rank-math-feedback-form' )

	dialog.on( 'click', '.button-close', function( event ) {
		event.preventDefault()
		dialog.fadeOut()
	})

	// Enable/Disable Modules
	$( '.module-listing .rank-math-box:not(.active), a.rank-math-tab' ).on( 'click', function(e) {
		e.preventDefault();

		$( '#rank-math-feedback-form' ).fadeIn();

		return false;
	});

	$( '#rank-math-feedback-form' ).on( 'click', function( e ) {
		if ( 'rank-math-feedback-form' === e.target.id ) {
			$( this ).find( '.button-close' ).trigger( 'click' );
		}
	});

	$('a.nav-tab').not('.nav-tab-active').click(function(event) {
		$( '#rank-math-feedback-form' ).fadeIn();
	});

	// Install & Activate Rank Math from modal.
	var tryRankmathPanel = $( '.try-rankmath-panel' ),
			installRankmathSuccess;

	installRankmathSuccess = function( response ) {
		response.activateUrl += '&from=schema-try-rankmath';
		response.activateLabel = wp.updates.l10n.activatePluginLabel.replace( '%s', response.pluginName );
		tryRankmathPanel.find('.install-now').text('Activating...');
		window.location.href = response.activateUrl;
	};

	tryRankmathPanel.on( 'click', '.install-now', function( e ) {
		e.preventDefault();
		var args = {
			slug: $( e.target ).data( 'slug' ),
			success: installRankmathSuccess
		};
		wp.updates.installPlugin( args );
	} );
});
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 * Plugin:	Rank Math
 * URL:		https://rankmath.com/wordpress/plugin/seo-suite/
 * Name:	common.css
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    //"vscode-php-cs-fixer.rules": "",
    //"vscode-php-cs-fixer.config": ".php_cs",
}PK     J‰U]«‡×¢&   &   	  index.phpnu „[µü¤        <?php
/**
 * Nothing to see here.
 */
PK     J‰U]øUáÖ  Ö    instant-indexing.phpnu „[µü¤        <?php
/**
 * Plugin Name: Instant Indexing
 * Plugin URI: https://rankmath.com/wordpress/plugin/instant-indexing/
 * Description: Get your website crawled immediately by Google using their NEW Indexing APIs.
 * Version: 1.1.22
 * Author: Rank Math
 * Author URI: https://s.rankmath.com/home
 * License: GPL v3
 * Text Domain: fast-indexing-api
 * Domain Path: /languages
 *
 * @package Instant Indexing
 */

defined( 'ABSPATH' ) || die;

define( 'RM_GIAPI_PATH', plugin_dir_path( __FILE__ ) );
define( 'RM_GIAPI_FILE', plugin_basename( __FILE__ ) );
define( 'RM_GIAPI_URL', plugin_dir_url( __FILE__ ) );

/**
 * Require Rank Math module class.
 */
require_once 'includes/class-instant-indexing-module.php';

/**
 * Require plugin class.
 */
require_once 'includes/class-instant-indexing.php';

/**
 * Instantiate plugin.
 */
add_action( 'after_setup_theme', 'rm_giapi_init', 1 );

/**
 * Init plugin.
 *
 * @return void
 */
function rm_giapi_init() {
	$rm_giapi = new RM_GIAPI();
}
PK     J‰U]1/=ò  ò    views/indexnow-history.phpnu „[µü¤        <?php
/**
 * IndexNow History page contents.
 *
 * @package Instant Indexing
 */

?>
<div class="wrap rank-math-wrap">
	<h1><?php esc_attr_e( 'IndexNow History', 'fast-indexing-api' ); ?></h1>
	<p class="description"><?php esc_attr_e( 'Here you can see a list of the most recent IndexNow URL submissions, and their status. To clear all items, scroll down to the bottom of the page and click on the "Clear History" button.', 'fast-indexing-api' ); ?></p>

	<?php

	$history_content  = '';
	$history_content .= '<div class="clear"></div>';
	$history_content .= '<table class="wp-list-table widefat striped" id="indexnow_history"><thead><tr><th class="col-date">' . esc_html__( 'Time', 'fast-indexing-api' ) . '</th><th class="col-url">' . esc_html__( 'URL', 'fast-indexing-api' ) . '</th><th class="col-status">' . esc_html__( 'Submission', 'fast-indexing-api' ) . '</th><th class="col-status">' . esc_html__( 'Response', 'fast-indexing-api' ) . '</th></tr></thead><tbody>';

	$result = get_option( 'rank_math_indexnow_log', [] );
	foreach ( $result as $key => $value ) {
		$result[ $key ]['timeFormatted'] = wp_date( 'Y-m-d H:i:s', $value['time'] );
		// Translators: placeholder is human-readable time, e.g. "1 hour".
		$result[ $key ]['timeHumanReadable'] = sprintf( __( '%s ago', 'fast-indexing-api' ), human_time_diff( $value['time'] ) );
	}
	$result = array_values( array_reverse( $result ) );
	if ( ! empty( $result ) ) {
		$type = [
			esc_html__( 'Automatic', 'fast-indexing-api' ),
			esc_html__( 'Manual', 'fast-indexing-api' ),
		];
		foreach ( $result as $value ) {
			$history_content .= '<tr class="' . ( ! empty( $value['manual_submission'] ) ? 'manual' : 'auto' ) . '"><td class="col-date">' . $value['timeFormatted'] . '<br /><span class="time-human-readable">' . $value['timeHumanReadable'] . '</span></td><td class="col-url">' . $value['url'] . '</td><td class="col-status">' . $type[ (int) $value['manual_submission'] ] . '</td><td class="col-status">' . $value['status'] . '</td></tr>';
		}
	} else {
		$history_content .= '<tr><td colspan="4">' . esc_html__( 'No submissions yet.', 'fast-indexing-api' ) . '</td></tr>';
	}

	$history_content .= '</tbody></table>';

	echo wp_kses_post( $history_content );

	// Print a clear history button.
	$clear_history_args = [
		'clear_indexnow_history' => '1',
		'_wpnonce' => wp_create_nonce( 'giapi_clear_history' )
	];
	echo '<p><a href="' . esc_url( add_query_arg( $clear_history_args ) ) . '" id="indexnow_clear_history" class="button alignright">' . esc_html__( 'Clear History', 'fast-indexing-api' ) . '</a></p>';

	$help_contents = '';

	$help_contents .= '<a href="#" id="indexnow_show_response_codes">' . esc_html__( 'IndexNow Response Code Help', 'fast-indexing-api' ) . '<span class="dashicons dashicons-arrow-down"></span></a>';

	$help_contents .= '<table class="wp-list-table widefat striped hidden" id="indexnow_response_codes"><thead><tr><th class="col-response-code">' . esc_html__( 'Response Code', 'fast-indexing-api' ) . '</th><th class="col-response-message">' . esc_html__( 'Response Message', 'fast-indexing-api' ) . '</th><th class="col-reasons">' . esc_html__( 'Reasons', 'fast-indexing-api' ) . '</th></tr></thead><tbody>';
	$help_contents .= '<tr><td class="col-response-code">200</td><td class="col-response-message">' . esc_html__( 'OK', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'The URL was successfully submitted to the IndexNow API.', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '<tr><td class="col-response-code">202</td><td class="col-response-message">' . esc_html__( 'Accepted', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'The URL was successfully submitted to the IndexNow API, but the API key will be checked later.', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '<tr><td class="col-response-code">400</td><td class="col-response-message">' . esc_html__( 'Bad Request', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'The request was invalid.', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '<tr><td class="col-response-code">403</td><td class="col-response-message">' . esc_html__( 'Forbidden', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'The key was invalid (e.g. key not found, file found but key not in the file).', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '<tr><td class="col-response-code">422</td><td class="col-response-message">' . esc_html__( 'Unprocessable Entity', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'The URLs don\'t belong to the host or the key is not matching the schema in the protocol.', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '<tr><td class="col-response-code">429</td><td class="col-response-message">' . esc_html__( 'Too Many Requests', 'fast-indexing-api' ) . '</td><td class="col-reasons">' . esc_html__( 'Too Many Requests (potential Spam).', 'fast-indexing-api' ) . '</td></tr>';
	$help_contents .= '</tbody></table>';

	echo wp_kses_post( $help_contents );

	?>

</div>
PK     J‰U]àÜˆÝsq  sq    views/dashboard.phpnu „[µü¤        <?php
/**
 * Rank Math Dashboard page contents.
 *
 * @package Instant Indexing
 */

?>
<div id="wpbody-content" class="rank-math-page" style="background: initial;">
	<div class="rank-math-header">
		<div class="rank-math-logo">
			<a href="#"><i class="rm-icon rm-icon-rank-math"></i></a>
		</div>
		<h1 class="rank-math-logo-text">Rank Math SEO</h1>
		<a href="https://rankmath.com/kb/?utm_source=Plugin&amp;utm_medium=Instant%20Indexing%20RM%20Header%20KB%20Icon&amp;utm_campaign=WP" title="<?php esc_attr_e( 'Rank Math Knowledge Base', 'fast-indexing-api' ); ?>" target="_blank" class="button rank-math-help"><i class="rm-icon rm-icon-help"></i></a>
	</div>
	<div class="rank-math-breadcrumbs-wrap">
		<div class="rank-math-breadcrumbs">
			<span><?php esc_html_e( 'Dashboard', 'fast-indexing-api' ); ?></span>
			<span class="divider">/</span>
			<span class="active"><?php esc_html_e( 'Modules', 'fast-indexing-api' ); ?></span>
		</div>
	</div>
	<div class="wrap rank-math-wrap dashboard">
		<span class="wp-header-end"></span>
		<div class="rank-math-tab-nav" role="tablist" aria-orientation="horizontal">
			<a class="rank-math-tab is-active" href="#" title="<?php esc_attr_e( 'Modules', 'fast-indexing-api' ); ?>">
			<?php esc_html_e( 'Modules', 'fast-indexing-api' ); ?>
			</a>
			<a class="rank-math-tab" href="#" title="<?php esc_attr_e( 'Help', 'fast-indexing-api' ); ?>">
			<?php esc_html_e( 'Help', 'fast-indexing-api' ); ?>
			</a>
			<a class="rank-math-tab" href="#" title="<?php esc_attr_e( 'Setup Wizard', 'fast-indexing-api' ); ?>">
			<?php esc_html_e( 'Setup Wizard', 'fast-indexing-api' ); ?>
			</a>
			<a class="rank-math-tab" href="#" title="<?php esc_attr_e( 'Import &amp; Export', 'fast-indexing-api' ); ?>">
			<?php esc_html_e( 'Import &amp; Export', 'fast-indexing-api' ); ?>
			</a>
		</div>
		<div class="rank-math-ui module-listing dashboard-wrapper">
			<div class="grid">
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-404"></i>
					<header>
						<h3>
							<?php esc_html_e( '404 Monitor', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Records the URLs on which visitors &amp; search engines run into 404 Errors. You can also turn on Redirections to redirect the error causing URLs to other URLs.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-acf"></i>
					<header>
						<h3>
							<?php esc_html_e( 'ACF', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'ACF support helps Rank Math SEO read and analyze content written in the Advanced Custom Fields. If your theme uses ACF, you should enable this option.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-mobile"></i>
					<header>
						<h3>
							<?php esc_html_e( 'AMP', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Install AMP plugin to make Rank Math work with Accelerated Mobile Pages. Rank Math automatically adds required meta tags in all the AMP pages.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-search-console"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Analytics', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Connect Rank Math with Google Search Console to see the most important information from Google directly in your WordPress dashboard.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-users"></i>
					<header>
						<h3>
							<?php esc_html_e( 'bbPress', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Add proper Meta tags to your bbPress forum posts, categories, profiles, etc. Get more options to take control of what search engines see and how they see it.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-comments"></i>
					<header>
						<h3>
							<?php esc_html_e( 'BuddyPress', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Enable the BuddyPress module for Rank Math SEO to make your BuddyPress forum SEO friendly by adding proper meta tags to all forum pages.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-target"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Content AI', 'fast-indexing-api' ); ?> <span class="rank-math-pro-badge beta"><?php esc_html_e( 'NEW!', 'fast-indexing-api' ); ?></span>
						</h3>
						<p><?php esc_html_e( 'Get sophisticated AI suggestions for related Keywords, Questions &amp; Links to include in the SEO meta &amp; Content Area. Supports 80+ Countries.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-images"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Image SEO', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Advanced Image SEO options to supercharge your website. Automate the task of adding the ALT and Title tags to your images on the fly.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-instant-indexing"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Instant Indexing', 'fast-indexing-api' ); ?>
						</h3>
						<?php // Translators: placeholder is "IndexNow API". ?>
						<p><?php echo sprintf( esc_html__( 'Directly notify search engines like Bing & Yandex using the %s when pages are added, updated and removed, or submit URLs manually.', 'fast-indexing-api' ), '<a href="https://rankmath.com/kb/how-to-use-indexnow/?utm_source=Plugin&utm_campaign=WP" target="_blank">' . __( 'IndexNow API', 'fast-indexing-api' ) . '</a>' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]" checked="checked">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-link"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Link Counter', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Counts the total number of internal, external links, to and from links inside your posts. You can also see the same count in the Posts List Page.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-local-seo"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Local SEO &amp; Knowledge Graph', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Dominate the search results for the local audiences by optimizing your website for Local SEO and it also helps you to add code related to Knowledge Graph.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-post"></i>
					<header>
						<h3>
							<?php esc_html_e( 'News Sitemap', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Create a News Sitemap for your news-related content. You only need a News sitemap if you plan on posting news-related content on your website.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-redirection"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Redirections', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Redirect non-existent content easily with 301 and 302 status code. This can help improve your site ranking. Also supports many other response codes.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-schema"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Schema (Structured Data)', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Enable support for the structured data, which adds Schema code in your website, resulting in rich search results, better CTR and more traffic.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-role-manager"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Role Manager', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( "The Role Manager allows you to use WordPress roles to control which of your site users can have edit or view access to Rank Math's settings.", 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-analyzer"></i>
					<header>
						<h3>
							<?php esc_html_e( 'SEO Analysis', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( "Let Rank Math analyze your website and your website's content using 70+ different tests to provide tailor-made SEO Analysis to you.", 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-sitemap"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Sitemap', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( "Enable Rank Math's sitemap feature, which helps search engines intelligently crawl your website's content. It also supports hreflang tag.", 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-video"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Video Sitemap', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'For your video content, a Video Sitemap is a recommended step for better rankings and inclusion in the Video search.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box  ">
					<i class="rm-icon rm-icon-stories"></i>
					<header>
						<h3>
							<?php esc_html_e( 'Google Web Stories', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Make any Story created with the Web Stories WordPress plugin SEO-Ready with automatic support for Schema and Meta tags.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
				<div class="rank-math-box">
					<i class="rm-icon rm-icon-cart"></i>
					<header>
						<h3>
							<?php esc_html_e( 'WooCommerce', 'fast-indexing-api' ); ?>
						</h3>
						<p><?php esc_html_e( 'Optimize WooCommerce Pages for Search Engines by adding required metadata and Product Schema which will make your site stand out in the SERPs.', 'fast-indexing-api' ); ?></p>
					</header>
					<div class="status wp-clearfix">
						<span class="cmb2-toggle">
							<input type="checkbox" class="rank-math-modules" name="modules[]">
							<label class="cmb2-slider ">
								<svg width="3" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 2 6" class="toggle_on" role="img" aria-hidden="true" focusable="false">
									<path d="M0 0h2v6H0z"></path>
								</svg>
								<svg width="8" height="8" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 6 6" class="toggle_off" role="img" aria-hidden="true" focusable="false">
									<path d="M3 1.5c.8 0 1.5.7 1.5 1.5S3.8 4.5 3 4.5 1.5 3.8 1.5 3 2.2 1.5 3 1.5M3 0C1.3 0 0 1.3 0 3s1.3 3 3 3 3-1.3 3-3-1.3-3-3-3z"></path>
								</svg>
							</label>
							<span class="input-loading"></span>
						</span>
					</div>
				</div>
			</div>
			</div>
		</div>
	</div>
	<div class="clear"></div>
</div>
<?php
if ( file_exists( WP_PLUGIN_DIR . '/seo-by-rank-math' ) ) {
	$text         = __( 'Activate Now', 'fast-indexing-api' );
	$pluginpath   = 'seo-by-rank-math/rank-math.php';
	$pluginlink   = wp_nonce_url( self_admin_url( 'plugins.php?action=activate&plugin=' . $pluginpath ), 'activate-plugin_' . $pluginpath );
	$button_class = 'activate-now';
} else {
	$text         = __( 'Install for Free', 'fast-indexing-api' );
	$pluginlink   = wp_nonce_url( self_admin_url( 'update.php?action=install-plugin&plugin=seo-by-rank-math' ), 'install-plugin_seo-by-rank-math' );
	$button_class = 'install-now';
}
?>
<div class="rank-math-feedback-modal rank-math-ui try-rankmath-panel" id="rank-math-feedback-form">
	<div class="rank-math-feedback-content">
		<div class="plugin-card plugin-card-seo-by-rank-math">
			<span class="button-close dashicons dashicons-no-alt alignright"></span>
			<div class="plugin-card-top">
				<div class="name column-name">
					<h3>
						<a href="https://rankmath.com/wordpress/plugin/seo-suite/" target="_blank">
						<?php esc_html_e( 'WordPress SEO Plugin â€“ Rank Math', 'fast-indexing-api' ); ?>
						<img src="<?php echo esc_url( RM_GIAPI_URL . 'assets/img/icon.svg' ); ?>" class="plugin-icon" alt="<?php esc_html_e( 'Rank Math SEO', 'fast-indexing-api' ); ?>">
						</a>
						<span class="vers column-rating">
							<a href="https://wordpress.org/support/plugin/seo-by-rank-math/reviews/" target="_blank">
								<div class="star-rating">
									<div class="star star-full" aria-hidden="true"></div>
									<div class="star star-full" aria-hidden="true"></div>
									<div class="star star-full" aria-hidden="true"></div>
									<div class="star star-full" aria-hidden="true"></div>
									<div class="star star-full" aria-hidden="true"></div>
								</div>
								<span class="num-ratings" aria-hidden="true">(4,020)</span>
							</a>
						</span>
					</h3>
				</div>
				<div class="desc column-description">
					<p><?php esc_html_e( 'Rank Math is a revolutionary SEO plugin that combines the features of many SEO tools in a single package & helps you multiply your traffic.', 'fast-indexing-api' ); ?></p>
				</div>
			</div>
			<div class="plugin-card-bottom">
				<div class="column-compatibility">
					<span class="compatibility-compatible"><strong><?php esc_html_e( 'Compatible', 'fast-indexing-api' ); ?></strong> <?php esc_html_e( 'with your version of WordPress', 'fast-indexing-api' ); ?></span>
				</div>
				<a href="<?php echo esc_url( $pluginlink ); ?>" class="button button-primary <?php echo esc_attr( $button_class ); ?>" data-slug="seo-by-rank-math" data-name="Rank Math"><?php echo esc_html( $text ); ?></a>
			</div>
		</div>
	</div>
</div>
PK     J‰U]«‡×¢&   &     views/index.phpnu „[µü¤        <?php
/**
 * Nothing to see here.
 */
PK     J‰U]÷§Àñ‡  ‡    views/bing-settings.phpnu „[µü¤        <?php
/**
 * IndexNow API Settings page contents.
 *
 * @package Instant Indexing
 */

$check_key_label = __( 'Check Key', 'fast-indexing-api' );

// Translators: %s is the words "Check Key".
$field_desc = sprintf( __( 'Use the %1$s button to verify that the key is accessible for search engines. Clicking on it should open the key file in your browser and show the API key.', 'fast-indexing-api' ), '<strong>' . $check_key_label . '</strong>' );

$key_location = $this->rmapi->get_key_location( 'fast-indexing-api_settings' );
$reset_button = '<a href="#" id="indexnow_reset_key" class="button button-secondary large-button"><span class="dashicons dashicons-update"></span> ' . esc_html__( 'Change Key', 'fast-indexing-api' ) . '</a>';
$reset_nonce  = wp_nonce_field( 'rm_giapi_reset_key', 'reset_key_nonce', true, false );
$check_button = '<a href="' . esc_url( $key_location ) . '" id="indexnow_check_key" class="button button-secondary large-button" target="_blank"><span class="dashicons dashicons-search"></span> ' . $check_key_label . '</a>';
?>
<div class="wrap rank-math-wrap">
	<h1><?php esc_attr_e( 'IndexNow API Settings', 'fast-indexing-api' ); ?></h1>
	<p class="description"><?php esc_attr_e( 'The IndexNow API allows you to submit URLs to Bing and Yandex for indexing.', 'fast-indexing-api' ); ?></p>
	<form enctype="multipart/form-data" method="POST" action="">
		<?php wp_nonce_field( 'giapi-save', '_wpnonce', true, true ); ?>
		<table class="form-table">
			<tr valign="top">
				<th scope="row">
					<?php esc_html_e( 'Submit Posts IndexNow:', 'fast-indexing-api' ); ?>
					<p class="description"><?php esc_html_e( 'Submit posts from these post types automatically to the IndexNow API when a post is published or edited.', 'fast-indexing-api' ); ?></p>
				</th>
				<td><?php $this->post_types_checkboxes( 'bing' ); ?></td>
			</tr>
			<tr valign="top">
				<th scope="row">
					<?php esc_html_e( 'API Key:', 'fast-indexing-api' ); ?>
					<p class="description"><?php esc_html_e( 'The IndexNow API key proves the ownership of the site. It is generated automatically. You can change the key if it becomes known to third parties.', 'fast-indexing-api' ); ?></p>
				</th>
				<td>
					<input type="text" class="large-text" id="giapi_indexnow_api_key" readonly="readonly" name="giapi_settings[indexnow_api_key]" value="<?php echo esc_attr( $this->rmapi->get_key() ); ?>">
					<br />
					<?php echo wp_kses_post( $reset_button ); ?>
					<?php echo $reset_nonce; ?>
				</td>
			</tr>
			</tr>
			<tr valign="top">
				<th scope="row">
					<?php esc_html_e( 'API Key Location:', 'fast-indexing-api' ); ?>
					<p class="description"><?php echo wp_kses_post( $field_desc ); ?></p>
				</th>
				<td>
					<code id="indexnow_api_key_location"><?php echo esc_url( $key_location ); ?></code>
					<br />
					<?php echo wp_kses_post( $check_button ); ?>
				</td>
			</tr>
		</table>

		<?php submit_button(); ?>
	</form>
</div>
PK     K‰U]º¼¶‡  ‡    views/console.phpnu „[µü¤        <?php
/**
 * Indexing API Console page contents.
 *
 * @package Instant Indexing
 */

?>
<div class="wrap rank-math-wrap">
	<h2><?php echo esc_html( get_admin_page_title() ); ?></h2>

	<?php
	if ( ! $this->get_setting( 'json_key' ) ) {
		?>
		<p class="description">
			<?php
			echo wp_kses_post(
				sprintf(
					/* translators: %s is a link to the plugin settings tab. */
					__( 'To use the Google Indexing API, please navigate to the %s tab and configure the API.', 'fast-indexing-api' ),
					'<a href="' . esc_url( admin_url( 'admin.php?page=instant-indexing&tab=google_settings' ) ) . '">' . __( 'Settings', 'fast-indexing-api' ) . '</a>'
				)
			);
			?>
		</p>
		</div>
		<?php
	} else {
		?>
		<div class="giapi-limits">
			<?php if ( $this->get_setting( 'json_key' ) ) { ?>
				<p class="" style="line-height: 1.8"><a href="https://developers.google.com/search/apis/indexing-api/v3/quota-pricing" target="_blank"><strong><?php esc_html_e( 'Google API Remaining Quota:', 'fast-indexing-api' ); ?></strong></a><br>
				<code><?php esc_html_e( 'PublishRequestsPerDayPerProject', 'fast-indexing-api' ); ?> = <strong id="giapi-limit-publishperday"><?php echo absint( $limits['publishperday'] ); ?></strong> / <?php echo absint( $limits['publishperday_max'] ); ?></code><br>
				<code><?php esc_html_e( 'RequestsPerMinutePerProject', 'fast-indexing-api' ); ?> = <strong id="giapi-limit-permin"><?php echo absint( $limits['permin'] ); ?></strong> / <?php echo absint( $limits['permin_max'] ); ?></code><br>
				<code><?php esc_html_e( 'MetadataRequestsPerMinutePerProject', 'fast-indexing-api' ); ?> = <strong id="giapi-limit-metapermin"><?php echo absint( $limits['metapermin'] ); ?></strong> / <?php echo absint( $limits['metapermin_max'] ); ?></code></p>
			<?php } ?>
		</div>
		<?php
	}
	?>

	<form id="instant-indexing" class="wpform" method="post">
		<label for="giapi-url"><?php esc_html_e( 'URLs (one per line, up to 100 for Google and 10,000 for IndexNow):', 'fast-indexing-api' ); ?></label><br>
		<textarea name="url" id="giapi-url" class="regular-text code" rows="5" data-gramm="false"><?php echo esc_textarea( $urls ); ?></textarea>
		<br><br>
		<label><?php esc_html_e( 'Action:', 'fast-indexing-api' ); ?></label><br>
		<?php if ( $this->get_setting( 'json_key' ) ) { ?>
			<label><input type="radio" name="api_action" value="update" class="giapi-action" <?php checked( $selected_action, 'update' ); ?>> <?php echo wp_kses_post( __( '<strong>Google</strong>: Publish/update URL', 'fast-indexing-api' ) ); ?></label><br>
			<label><input type="radio" name="api_action" value="remove" class="giapi-action" <?php checked( $selected_action, 'remove' ); ?>> <?php echo wp_kses_post( __( '<strong>Google</strong>: Remove URL', 'fast-indexing-api' ) ); ?></label><br>
			<label><input type="radio" name="api_action" value="getstatus" class="giapi-action" <?php checked( $selected_action, 'getstatus' ); ?>> <?php echo wp_kses_post( __( '<strong>Google</strong>: Get URL status', 'fast-indexing-api' ) ); ?></label><br>
		<?php } ?>
		<?php if ( $this->is_rm_active ) { ?>
			<label><input type="radio" name="api_action" value="bing_submit" class="giapi-action" <?php checked( $selected_action, 'bing_submit' ); ?>> <?php echo wp_kses_post( __( '<strong>IndexNow</strong>: Submit URL', 'fast-indexing-api' ) ); ?></label><br>
		<?php } ?>
		<?php wp_nonce_field( 'giapi-console' ); ?>
		<input type="submit" id="giapi-submit" class="button button-primary" value="<?php esc_attr_e( 'Send to API', 'fast-indexing-api' ); ?>" disabled="disabled">
	</form>
	<div id="giapi-response-userfriendly" class="not-ready">
		<br>
		<hr>
		<div class="response-box">
			<code class="response-id"></code>
			<h4 class="response-status"></h4>
			<p class="response-message"></p>
		</div>
		<a href="#" id="giapi-response-trigger" class="button button-secondary"><?php esc_html_e( 'Show Raw Response', 'fast-indexing-api' ); ?> <span class="dashicons dashicons-arrow-down-alt2" style="margin-top: 3px;"></span></a>
	</div>
	<div id="giapi-response-wrapper">
		<br>
		<textarea id="giapi-response" class="large-text code" rows="10" placeholder="<?php esc_attr_e( 'Response...', 'fast-indexing-api' ); ?>"></textarea>
	</div>
</div>
PK     K‰U]Tü	  	    views/google-settings.phpnu „[µü¤        <?php
/**
 * Instant Indexing Settings page contents.
 *
 * @package Instant Indexing
 */

?>
<div class="wrap rank-math-wrap">
	<h1><?php esc_attr_e( 'Google Instant Indexing API Settings', 'fast-indexing-api' ); ?></h1>
	<form enctype="multipart/form-data" method="POST" action="">
		<?php wp_nonce_field( 'giapi-save', '_wpnonce', true, true ); ?>
		<table class="form-table">
			<tr valign="top">
				<th scope="row">
					<?php esc_html_e( 'Google JSON Key:', 'fast-indexing-api' ); ?>
					<p class="description"><?php esc_html_e( 'Upload the Service Account JSON key file you obtained from Google API Console or paste its contents in the field.', 'fast-indexing-api' ); ?></p>
					<div class="setup-guide-link-wrapper"><span class="dashicons dashicons-editor-help"></span> <a href="<?php echo $this->google_guide_url; ?>" target="_blank"><?php esc_html_e( 'Read our setup guide', 'fast-indexing-api' ); ?></a></div>
				</th>
				<td>
					<?php if ( file_exists( plugin_dir_path( __FILE__ ) . 'rank-math-835b6feb842b.json' ) ) { ?>
						<textarea name="giapi_settings[json_key]" class="large-text" rows="8" readonly="readonly"><?php echo esc_textarea( file_get_contents( plugin_dir_path( __FILE__ ) . 'rank-math-835b6feb842b.json' ) ); ?></textarea>
						<br>
						<p class="description"><?php esc_html_e( '<code>rank-math-835b6feb842b.json</code> file found in the plugin folder. You cannot change the JSON key from here until you delete or remame this file.', 'fast-indexing-api' ); ?></p>
					<?php } else { ?>
						<textarea name="giapi_settings[json_key]" class="large-text" rows="8"><?php echo esc_textarea( $this->get_setting( 'json_key' ) ); ?></textarea>
						<br>
						<label>
							<?php esc_html_e( 'Or upload JSON file: ', 'fast-indexing-api' ); ?>
							<input type="file" name="json_file" />
						</label>
					<?php } ?>
				</td>
			</tr>
			<tr valign="top">
				<th scope="row">
					<?php esc_html_e( 'Submit Posts to Google:', 'fast-indexing-api' ); ?>
					<p class="description"><?php esc_html_e( 'Submit posts from these post types automatically to the Google Instant Indexing API when a post is published, edited, or deleted.', 'fast-indexing-api' ); ?></p>
				</th>
				<td><?php $this->post_types_checkboxes(); ?></td>
			</tr>
		</table>

		<?php submit_button(); ?>
	</form>
</div>
PK     K‰U]ÇWESÀ&  À&    languages/fast-indexing-api.potnu „[µü¤        # Copyright (C) 2025 fast-indexing-api
# This file is distributed under the same license as the fast-indexing-api package.
msgid ""
msgstr ""
"Project-Id-Version: fast-indexing-api\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"Language-Team: Rank Math\n"
"Last-Translator: Rank Math\n"
"POT-Creation-Date: 2025-11-21 08:18+0000\n"
"Project-Id-Version: undefined\n"
"X-Poedit-Basepath: ..\n"
"X-Poedit-KeywordsList: __;_e;_ex:1,2c;_n:1,2;_n_noop:1,2;_nx:1,2,4c;_nx_noop:1,2,3c;_x:1,2c;esc_attr__;esc_attr_e;esc_attr_x:1,2c;esc_html__;esc_html_e;esc_html_x:1,2c\n"
"X-Poedit-SearchPath-0: .\n"
"X-Poedit-SearchPathExcluded-0: *.js\n"
"X-Poedit-SourceCharset: UTF-8\n"
"Plural-Forms: nplurals=2; plural=(n != 1);\n"

msgid "Google API Settings"
msgstr ""

msgid "IndexNow API Settings"
msgstr ""

msgid "Console"
msgstr ""

msgid "IndexNow History"
msgstr ""

msgid "Instant Indexing: Google Update"
msgstr ""

msgid "Instant Indexing: Google Get Status"
msgstr ""

msgid "Instant Indexing: Bing Submit"
msgstr ""

msgid "Instant Indexing: Submit to IndexNow"
msgstr ""

msgid "Dashboard"
msgstr ""

msgid "Instant Indexing"
msgstr ""

msgid "Success"
msgstr ""

msgid "Error"
msgstr ""

msgid "Last updated "
msgstr ""

msgid "See response for details."
msgstr ""

msgid "Settings could not be updated."
msgstr ""

msgid "Settings updated."
msgstr ""

#. translators: placeholder is "IndexNow API".
msgid "Directly notify search engines like Bing & Yandex using the %s when pages are added, updated and removed, or submit URLs manually."
msgstr ""

msgid "IndexNow API"
msgstr ""

msgid "You cannot deactivate this module because the Instant Indexing plugin is active on this site."
msgstr ""

#. translators: %s is a link to Rank Math plugin page
msgid "It is recommended to use %s along with the Instant Indexing plugin."
msgstr ""

msgid "Rank Math SEO"
msgstr ""

msgid "A recently published post has been automatically submitted to the Instant Indexing API."
msgstr ""

msgid "A deleted post has been automatically submitted to the Instant Indexing for deletion."
msgstr ""

msgid "Settings"
msgstr ""

msgid "Check Key"
msgstr ""

#. translators: %s is the words "Check Key".
msgid "Use the %1$s button to verify that the key is accessible for search engines. Clicking on it should open the key file in your browser and show the API key."
msgstr ""

msgid "Change Key"
msgstr ""

msgid "The IndexNow API allows you to submit URLs to Bing and Yandex for indexing."
msgstr ""

msgid "Submit Posts IndexNow:"
msgstr ""

msgid "Submit posts from these post types automatically to the IndexNow API when a post is published or edited."
msgstr ""

msgid "API Key:"
msgstr ""

msgid "The IndexNow API key proves the ownership of the site. It is generated automatically. You can change the key if it becomes known to third parties."
msgstr ""

msgid "API Key Location:"
msgstr ""

msgid "Google API Remaining Quota:"
msgstr ""

msgid "PublishRequestsPerDayPerProject"
msgstr ""

msgid "RequestsPerMinutePerProject"
msgstr ""

msgid "MetadataRequestsPerMinutePerProject"
msgstr ""

msgid "To use the Google Indexing API, please navigate to the %s tab and configure the API."
msgstr ""

msgid "URLs (one per line, up to 100 for Google and 10,000 for IndexNow):"
msgstr ""

msgid "Action:"
msgstr ""

msgid "<strong>Google</strong>: Publish/update URL"
msgstr ""

msgid "<strong>Google</strong>: Remove URL"
msgstr ""

msgid "<strong>Google</strong>: Get URL status"
msgstr ""

msgid "<strong>IndexNow</strong>: Submit URL"
msgstr ""

msgid "Send to API"
msgstr ""

msgid "Show Raw Response"
msgstr ""

msgid "Response..."
msgstr ""

msgid "Rank Math Knowledge Base"
msgstr ""

msgid "Modules"
msgstr ""

msgid "Help"
msgstr ""

msgid "Setup Wizard"
msgstr ""

msgid "Import &amp; Export"
msgstr ""

msgid "404 Monitor"
msgstr ""

msgid "Records the URLs on which visitors &amp; search engines run into 404 Errors. You can also turn on Redirections to redirect the error causing URLs to other URLs."
msgstr ""

msgid "ACF"
msgstr ""

msgid "ACF support helps Rank Math SEO read and analyze content written in the Advanced Custom Fields. If your theme uses ACF, you should enable this option."
msgstr ""

msgid "AMP"
msgstr ""

msgid "Install AMP plugin to make Rank Math work with Accelerated Mobile Pages. Rank Math automatically adds required meta tags in all the AMP pages."
msgstr ""

msgid "Analytics"
msgstr ""

msgid "Connect Rank Math with Google Search Console to see the most important information from Google directly in your WordPress dashboard."
msgstr ""

msgid "bbPress"
msgstr ""

msgid "Add proper Meta tags to your bbPress forum posts, categories, profiles, etc. Get more options to take control of what search engines see and how they see it."
msgstr ""

msgid "BuddyPress"
msgstr ""

msgid "Enable the BuddyPress module for Rank Math SEO to make your BuddyPress forum SEO friendly by adding proper meta tags to all forum pages."
msgstr ""

msgid "Content AI"
msgstr ""

msgid "NEW!"
msgstr ""

msgid "Get sophisticated AI suggestions for related Keywords, Questions &amp; Links to include in the SEO meta &amp; Content Area. Supports 80+ Countries."
msgstr ""

msgid "Image SEO"
msgstr ""

msgid "Advanced Image SEO options to supercharge your website. Automate the task of adding the ALT and Title tags to your images on the fly."
msgstr ""

msgid "Link Counter"
msgstr ""

msgid "Counts the total number of internal, external links, to and from links inside your posts. You can also see the same count in the Posts List Page."
msgstr ""

msgid "Local SEO &amp; Knowledge Graph"
msgstr ""

msgid "Dominate the search results for the local audiences by optimizing your website for Local SEO and it also helps you to add code related to Knowledge Graph."
msgstr ""

msgid "News Sitemap"
msgstr ""

msgid "Create a News Sitemap for your news-related content. You only need a News sitemap if you plan on posting news-related content on your website."
msgstr ""

msgid "Redirections"
msgstr ""

msgid "Redirect non-existent content easily with 301 and 302 status code. This can help improve your site ranking. Also supports many other response codes."
msgstr ""

msgid "Schema (Structured Data)"
msgstr ""

msgid "Enable support for the structured data, which adds Schema code in your website, resulting in rich search results, better CTR and more traffic."
msgstr ""

msgid "Role Manager"
msgstr ""

msgid "The Role Manager allows you to use WordPress roles to control which of your site users can have edit or view access to Rank Math's settings."
msgstr ""

msgid "SEO Analysis"
msgstr ""

msgid "Let Rank Math analyze your website and your website's content using 70+ different tests to provide tailor-made SEO Analysis to you."
msgstr ""

msgid "Sitemap"
msgstr ""

msgid "Enable Rank Math's sitemap feature, which helps search engines intelligently crawl your website's content. It also supports hreflang tag."
msgstr ""

msgid "Video Sitemap"
msgstr ""

msgid "For your video content, a Video Sitemap is a recommended step for better rankings and inclusion in the Video search."
msgstr ""

msgid "Google Web Stories"
msgstr ""

msgid "Make any Story created with the Web Stories WordPress plugin SEO-Ready with automatic support for Schema and Meta tags."
msgstr ""

msgid "WooCommerce"
msgstr ""

msgid "Optimize WooCommerce Pages for Search Engines by adding required metadata and Product Schema which will make your site stand out in the SERPs."
msgstr ""

msgid "Install for Free"
msgstr ""

msgid "Activate Now"
msgstr ""

msgid "WordPress SEO Plugin â€“ Rank Math"
msgstr ""

msgid "Rank Math is a revolutionary SEO plugin that combines the features of many SEO tools in a single package & helps you multiply your traffic."
msgstr ""

msgid "Compatible"
msgstr ""

msgid "with your version of WordPress"
msgstr ""

msgid "Google Instant Indexing API Settings"
msgstr ""

msgid "Google JSON Key:"
msgstr ""

msgid "Upload the Service Account JSON key file you obtained from Google API Console or paste its contents in the field."
msgstr ""

msgid "Read our setup guide"
msgstr ""

msgid "Or upload JSON file: "
msgstr ""

msgid "<code>rank-math-835b6feb842b.json</code> file found in the plugin folder. You cannot change the JSON key from here until you delete or remame this file."
msgstr ""

msgid "Submit Posts to Google:"
msgstr ""

msgid "Submit posts from these post types automatically to the Google Instant Indexing API when a post is published, edited, or deleted."
msgstr ""

msgid "Here you can see a list of the most recent IndexNow URL submissions, and their status. To clear all items, scroll down to the bottom of the page and click on the \"Clear History\" button."
msgstr ""

msgid "Time"
msgstr ""

msgid "URL"
msgstr ""

msgid "Submission"
msgstr ""

msgid "Response"
msgstr ""

#. translators: placeholder is human-readable time, e.g. "1 hour".
msgid "%s ago"
msgstr ""

msgid "No submissions yet."
msgstr ""

msgid "Automatic"
msgstr ""

msgid "Manual"
msgstr ""

msgid "Clear History"
msgstr ""

msgid "IndexNow Response Code Help"
msgstr ""

msgid "Response Code"
msgstr ""

msgid "Response Message"
msgstr ""

msgid "Reasons"
msgstr ""

msgid "OK"
msgstr ""

msgid "The URL was successfully submitted to the IndexNow API."
msgstr ""

msgid "Accepted"
msgstr ""

msgid "The URL was successfully submitted to the IndexNow API, but the API key will be checked later."
msgstr ""

msgid "Bad Request"
msgstr ""

msgid "The request was invalid."
msgstr ""

msgid "Forbidden"
msgstr ""

msgid "The key was invalid (e.g. key not found, file found but key not in the file)."
msgstr ""

msgid "Unprocessable Entity"
msgstr ""

msgid "The URLs don't belong to the host or the key is not matching the schema in the protocol."
msgstr ""

msgid "Too Many Requests"
msgstr ""

msgid "Too Many Requests (potential Spam)."
msgstr ""
PK     K‰U]y*ïà  à    .phpcs.xml.distnu „[µü¤        <?xml version="1.0"?>
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="Instant Indexing by Rank Math" xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/squizlabs/PHP_CodeSniffer/master/phpcs.xsd">

	<description>A custom set of rules to check for a Instant Indexing by Rank Math</description>

	<!-- Exclude paths -->
	<exclude-pattern>*/languages/*</exclude-pattern>
	<exclude-pattern>*/node_modules/*</exclude-pattern>
	<exclude-pattern>*/tests/*</exclude-pattern>
	<exclude-pattern>*/vendor/*</exclude-pattern>
	<exclude-pattern>*/index.php</exclude-pattern>

	<!-- Include the WordPress-Extra standard. -->
	<rule ref="WordPress-Extra">
		<exclude name="WordPress.WP.GlobalVariablesOverride"/>
		<exclude name="Generic.CodeAnalysis.UnusedFunctionParameter"/>
	</rule>

	<!-- Let's also check that everything is properly documented. -->
	<rule ref="WordPress-Docs"/>

	<!-- Add in some extra rules from other standards. -->
	<rule ref="Generic.CodeAnalysis.UnusedFunctionParameter"/>
	<rule ref="Generic.Commenting.Todo"/>

	<!-- Check for PHP cross-version compatibility. -->
	<!--
	To enable this, the PHPCompatibilityWP standard needs
	to be installed.
	See the readme for installation instructions:
	https://github.com/PHPCompatibility/PHPCompatibilityWP
	For more information, also see:
	https://github.com/PHPCompatibility/PHPCompatibility
	-->
	<config name="testVersion" value="7.0-"/>

	<!--
	To get the optimal benefits of using WPCS, we should add a couple of
	custom properties.
	Adjust the values of these properties to fit our needs.

	For information on additional custom properties available, check out
	the wiki:
	https://github.com/WordPress/WordPress-Coding-Standards/wiki/Customizable-sniff-properties
	-->
	<config name="minimum_supported_wp_version" value="5.0"/>

	<rule ref="WordPress.WP.I18n">
		<properties>
			<property name="text_domain" type="array">
				<element value="fast-indexing-api"/>
			</property>
		</properties>
	</rule>

	<rule ref="WordPress.NamingConventions.ValidHookName">
		<properties>
			<property name="additionalWordDelimiters" value="-/."/>
		</properties>
	</rule>

	<rule ref="Generic.Arrays">
		<exclude name="Generic.Arrays.DisallowShortArraySyntax.Found" />
	</rule>

</ruleset>PK     K‰U]F'àeD%  D%  
  readme.txtnu „[µü¤        === Instant Indexing for Google ===
Contributors: rankmath
Plugin link: https://rankmath.com/wordpress/plugin/instant-indexing/
Tags: indexing api, crawling, live streaming, fast indexing, job posting
Tested up to: 6.6
Requires at least: 5.6
Requires PHP: 7.2.5
Stable tag: 1.1.22
License: GPL-2.0+
License URI: https://www.gnu.org/licenses/gpl-2.0.txt

A very efficient yet simple plugin to take care of your indexing woos and helps get your content crawled by search bots instantly.

== Description ==

### Get your website's pages, and content crawled immediately! Use the Instant Indexing plugin to beat your competition and rank higher.

â˜…â˜…â˜…â˜…â˜…<br>

> **Note**: Google recommends that you use the Indexing API ONLY for Job Posting and Live Streaming websites. However, it works on any type of website and many of our users have seen great results already. Please proceed with caution.

Whether you are a novice blogger or a seasoned SEO - you know the importance of getting into the Google index. It is the very first step before your website can see any organic traffic coming from Google or any other search engine.

If your pages don't get indexed, your website is essentially invisible to Google and all the visitors - visitors that would otherwise "see" your website in the search engines.

So, it is pretty important that your new content gets crawled/indexed fast, and it is equally important for your already published content to get updated in Google as well.

How do you do one or the other? Or, how about doing them both?

**Enter the Instant Indexing plugin by Rank Math**

When you publish new content or update old content on your WordPress website, the Instant Indexing plugin sends a crawl request to Google using the Google Indexing API.

The result? **Almost immediate indexing of your content**. [Here is an example](https://rankmath.com/blog/google-indexing-api/#proof).

There are a lot of plus points of having your content instantly crawled and indexed by the search engines, but, here are a few major advantages of using the Instant Indexing plugin:

* **Rank faster** - Have that awesome content you know users will like? Get it in front of your audience faster.
* Increase your chances of ranking above your competition
* Keep search results up-to-date
* One-time Setup
* **Automatic Submissions**
* Manual Submissions
* Excludes Custom Post Types
* Send request to remove Post from Google SERPs
* Get Current Post Status
* Compatible with Any SEO WordPress Plugin
* Bulk Submissions (Up to 100 URLs)
* Completely FREE.

There is just no reason not to give it a try.

## ABOUT THE DEVELOPER

The Instant Indexing plugin is created by the same brains that are behind the popular [Rank Math SEO](https://rankmath.com/wordpress/plugin/seo-suite/) plugin. We created the Instant Indexing plugin to get your SEO friendly content crawled quickly. This, in turn, helps you rank faster and higher than you would if you didn't use these plugins.

= Getting Started: =
**1. Setting up the Plugin:** Once you install and activate the Instant Indexing Plugin, head over to **Rank Math > Instant Indexing** and configure the settings.

**[2. Facebook Group:](https://s.rankmath.com/groupfb)** In this group, you will find the team of Rank Math SEO plugin fairly active and ready to answer your SEO related queries.

**[3. User Documentation:](https://rankmath.com/blog/google-indexing-api/)** Although Instant Indexing plugin is already easy to set up, we've put together tutorial to help you set up and get started.

**[4. Fixing Common Errors:](https://s.rankmath.com/wp-errors-fixes)** Sometimes avoidable or common issues can get you stuck. We've created a common guide where we discuss all the common issues and how to fix them.

**[5. Support Ticket Forum:](https://s.rankmath.com/support)** Our dedicated forum is where you can get support for any issues that you face with Instant Indexing. In the forum, we'll also try to answer some SEO queries. User experience is important to us, and our aim is to answer all the queries on the forum in a timely manner.

**[6. Frequently Asked Questions:](#faq-header)** Here we've answered the most commonly asked questions about Instant Indexing by Rank Math.

== Installation ==

1. Visit 'Plugins > Add New'
2. Search for 'Instant Indexing for Google'
3. Install Instant Indexing once it appears
4. Activate the plugin
5. Go to "after activation" section below.

= Manually =

1. Upload the `fast-indexing-api` folder to the `/wp-content/plugins/` directory
2. Activate the Instant Indexing plugin through the 'Plugins' menu in WordPress
3. Go to "after activation" section below.

= After activation =

1. You should see the Rank Math menu in the dashboard sidebar.
2. From there you can access the plugin settings.
3. You're done!

== Frequently Asked Questions ==

= Can I use the plugin without Rank Math? =
Yes, you absolutely can. You can use the Instant Indexing plugin with any SEO plugin you like. But, we recommend using the Instant Indexing API plugin with [Rank Math SEO](https://wordpress.org/plugins/seo-by-rank-math/) for best results.

= Can I submit pages that do not have Job Posting or Livestream structured data? =
Although the Google Indexing API officially supports pages containing Job Posting and Livestream structured data - it is officially recommended to use only on such websites. But, it can be used with any website. But, do proceed with caution if you are not comfortable with this.

= Will my pages and posts get indexed instantly? =
Technically, yes. That's what the plugin is made to do. But, please note that we guarantee instant crawling using this plugin. Whether or not Google will index your content after crawling is and always will be in Google's control. They have the final say in what they want to appear in their SERPs and what they don't.

== Screenshots ==

1. Plugin sends request to Google Crawler once the Post is Published or Updated
2. Manual Submissions
3. Plugin Settings

== Changelog ==

= v1.1.22 [Nov 21, 2025] =
* Fixed: Changing the API Key in the IndexNow settings was not working
* Fixed: PHP warning triggered by the `_load_textdomain_just_in_time` function

= v1.1.21 [Sep 19, 2024] =
* Fixed: JS error on the console page due to changes in the Google API

= v1.1.20 [Sep 10, 2024] =
* Fixed: Adjusted limits as per Google's new guidelines

= v1.1.19 [Sept 02, 2024] =
* Added: WordPress 6.6 Compatibility

= v1.1.18 [Apr 18, 2024] =
* Added: WordPress 6.5 Compatibility
* Fixed: Missing Instant Indexing page for editor role when [Rank Math plugin](https://rankmath.com/) is active

= v1.1.17 [May 31, 2023] =
* Fixed: PHP notice on the plugin settings page.
* Fixed: Double submission of posts to the Google Indexing API.
* Fixed: "Submit to IndexNow" action showing even when IndexNow is disabled.
* Fixed: PHP 8.2 compatibility issues.

= v1.1.16 [Jun 21, 2022] =
* Updated the Guzzle HTTP library to version 7.4.4 (requires PHP 7.2.5)

= v1.1.14 [Jun 4, 2022] =
* Updated the third-party libraries included in the plugin

= v1.1.13 [Mar 16, 2022] =
* Fixed: special characters getting removed from submitted URL
* Fixed: double IndexNow submissions
* Improved: use reset key REST API endpoint from Rank Math

= v1.1.12 [Feb 08, 2022] =
* Fixed: Can't update IndexNow post types option

= v1.1.11 [Feb 06, 2022] =
* Fixed: Limits calculation for the Google Indexing API

= v1.1.10 [Feb 04, 2022] =
* Fixed: Compatibility issue with Rank Math SEO

= v1.1.9 [Feb 03, 2022] =
* Improved: New field to reset API key
* Improved: New field to check API key
* Improved: New filter to change key location
* Fixed: Could not deselect all post types in the "Submit Posts IndexNow" option

= v1.1.8 [Feb 02, 2022] =
* Improved: Added response code help to the IndexNow History tab
* Improved: Added new column in IndexNow History table for submission type (manual/auto)
* Fixed: PHP notice when visiting the IndexNow History tab

= v1.1.7 [Feb 01, 2022] =
* Improved: Styling of some elements
* Improved: Don't submit a post automatically if it's set to noindex
* Fixed: Some of the text was not translation ready
* Fixed: A couple of coding standard issues

= v1.1.6 [Jan 28, 2022] =
* Improved: Show IndexNow log when IndexNow is available.
* Fixed: Change "bing_submit" action label to "indexnow_submit".

= v1.1.4 [Jan 27, 2022] =
* Improved: Make use of the new IndexNow API if the [Rank Math SEO](https://rankmath.com/) plugin is also active
* Fixed: PHP error when submitting to Bing API

= v1.1.3 [Dec 10, 2021] =
* Fixed: Request count when sending multiple URL's
* Fixed: PHP notice showing on the Bing settings page in some cases

= v1.1.2 [Sep 11, 2021] =
* Fixed: Send to API button was disabled on Firefox

= v1.1.1 [Sep 10, 2021] =
* Improved: Apply settings from v1.0.0 if available

= v1.1.0 [Sep 8, 2021] =
* Improved: Compatibility with the [Rank Math SEO](https://rankmath.com/) plugin. Now, you can use Rank Math's [Bing Instant Indexing](https://rankmath.com/blog/bing-indexing-api/) feature from the same settings page
* Improved: Reduce clutter on the Settings page by hiding unrelated admin notices
* Improved: Updated the third-party libraries to their latest version
* Fixed: JSON file upload option was not working on the Settings page
* Fixed: PHP notice appearing after saving the Settings or updating the post on some installations
* Fixed: Wrong text domain in some `gettext` calls
* Removed: Some unused files

= v1.0.0 [Sep 24, 2019] =
* Official plugin release on wp.org
PK     K‰U]NŠº<S”  S”  #  includes/class-instant-indexing.phpnu „[µü¤        <?php
/**
 * Main plugin class.
 *
 * @package Instant Indexing
 * @since 1.0.0
 * @author Rank Math
 * @link https://rankmath.com
 * @license GNU General Public License 3.0+
 */
class RM_GIAPI {

	/**
	 * Plugin version.
	 *
	 * @var string
	 */
	public $version = '1.1.22';

	/**
	 * Holds the admin menu hook suffix for the "dummy" dashboard.
	 *
	 * @var string
	 */
	public $dashboard_menu_hook_suffix = '';

	/**
	 * Holds the admin menu hook suffix for Rank Math > Instant Indexing
	 *
	 * @var string
	 */
	public $menu_hook_suffix = '';

	/**
	 * The default tab when visiting the admin page.
	 *
	 * @var string
	 */
	public $default_nav_tab = '';

	/**
	 * Holds the current admin tab.
	 *
	 * @var string
	 */
	public $current_nav_tab = '';

	/**
	 * Holds the admin tabs.
	 *
	 * @var array
	 */
	public $nav_tabs = [];

	/**
	 * Holds the admin notice messages.
	 *
	 * @var array
	 */
	public $notices = [];

	/**
	 * Holds the default settings.
	 *
	 * @var array
	 */
	public $settings_defaults = [];

	/**
	 * Debug mode. Enable with define( 'GIAPI_DEBUG', true );
	 *
	 * @var bool
	 */
	public $debug = false;

	/**
	 * Check if Rank Math SEO is installed.
	 *
	 * @var bool
	 */
	public $is_rm_active = false;

	/**
	 * Rank Math Instant Indexing API.
	 *
	 * @var object
	 */
	public $rmapi = null;

	/**
	 * Rank Math Instant Indexing module instance.
	 *
	 * @var object
	 */
	public $rm_module = null;

	/**
	 * Holds the Google API client.
	 *
	 * @var object
	 */
	public $client = null;

	/**
	 * URL of the Google plugin setup guide on rankmath.com.
	 *
	 * @var string
	 */
	public $google_guide_url = 'https://rankmath.com/blog/google-indexing-api/?utm_source=Instant+Indexing+Plugin&utm_medium=Setup+Guide+Button&utm_campaign=WP';

	/**
	 * URL of the Bing plugin setup guide on rankmath.com.
	 *
	 * @var string
	 */
	public $bing_guide_url = 'https://rankmath.com/blog/bing-indexing-api/?utm_source=Instant+Indexing+Plugin&utm_medium=Setup+Guide+Button&utm_campaign=WP';

	/**
	 * Restrict to one request every X seconds to a given URL.
	 */
	const THROTTLE_LIMIT = 5;

	/**
	 * Constructor method.
	 */
	public function __construct() {
		$this->debug             = ( defined( 'GIAPI_DEBUG' ) && GIAPI_DEBUG );
		$this->is_rm_active      = function_exists( 'rank_math' );

		$this->default_nav_tab   = 'google_settings';
		$this->settings_defaults = [
			'json_key'        => '',
			'post_types'      => [],
			'bing_post_types' => [
				'post' => 'post',
				'page' => 'page',
			],
			'indexnow_api_key' => '',
		];

		$this->nav_tabs = [
			'google_settings' => __( 'Google API Settings', 'fast-indexing-api' ),
			'bing_settings'   => __( 'IndexNow API Settings', 'fast-indexing-api' ),
			'console'         => __( 'Console', 'fast-indexing-api' ),
		];

		if ( $this->is_rm_active && class_exists( 'RankMath\\Instant_Indexing\\Api' ) ) {
			$this->rm_module = new RankMath\Instant_Indexing\Instant_Indexing();
			$this->rmapi     = RankMath\Instant_Indexing\Api::get();
			add_action( 'admin_init', [ $this, 'remove_rm_admin_page' ] );
		} else {
			unset( $this->nav_tabs['bing_settings'] );
		}

		if ( $this->get_setting( 'json_key' ) ) {
			$this->nav_tabs['google_settings'] = '<span class="dashicons dashicons-yes-alt"></span> ' . $this->nav_tabs['google_settings'];
			unset( $this->nav_tabs['console'] );
			$this->nav_tabs = [ 'console' => __( 'Console', 'fast-indexing-api' ) ] + $this->nav_tabs;
			$this->default_nav_tab = 'console';
		}

		if ( $this->is_rm_active && isset( $this->nav_tabs['bing_settings'] ) ) {
			$this->nav_tabs['bing_settings'] = '<span class="dashicons dashicons-yes-alt"></span> ' . $this->nav_tabs['bing_settings'];
			unset( $this->nav_tabs['console'] );
			$this->nav_tabs = [ 'console' => __( 'Console', 'fast-indexing-api' ) ] + $this->nav_tabs;
			$this->default_nav_tab = 'console';
			$this->nav_tabs['indexnow_history'] = __( 'IndexNow History', 'fast-indexing-api' );
		}

		$this->current_nav_tab = $this->default_nav_tab;
		if ( isset( $_GET['tab'] ) && isset( $this->nav_tabs[ $_GET['tab'] ] ) ) {
			$this->current_nav_tab = $_GET['tab']; //phpcs:ignore
		}
		add_action( 'admin_menu', [ $this, 'admin_menu' ], 20 );
		add_action( 'admin_footer', [ $this, 'admin_footer' ], 20 );
		add_action( 'admin_enqueue_scripts', [ $this, 'admin_enqueue_scripts' ] );
		add_action( 'wp_ajax_rm_giapi', [ $this, 'ajax_rm_giapi' ] );
		add_action( 'wp_ajax_rm_giapi_limits', [ $this, 'ajax_get_limits' ] );
		add_action( 'admin_init', [ $this, 'rm_missing_admin_notice_error' ], 20, 1 );
		add_action( 'admin_notices', [ $this, 'display_notices' ], 10, 1 );
		add_action( 'load-rank-math_page_instant-indexing', [ $this, 'save_settings' ], 10, 1 );
		add_filter( 'plugin_action_links_' . RM_GIAPI_FILE, [ $this, 'plugin_action_links' ] );

		if ( $this->get_setting( 'json_key' ) ) {
			$post_types = $this->get_setting( 'post_types', [] );
			foreach ( $post_types as $key => $post_type ) {
				if ( empty( $post_type ) ) {
					continue;
				}
				add_action( 'save_post_' . $post_type, [ $this, 'publish_post' ], 10, 2 );
				add_filter( 'bulk_actions-edit-' . $post_type, [ $this, 'register_bulk_actions' ] );
				add_filter( 'handle_bulk_actions-edit-' . $post_type, [ $this, 'bulk_action_handler' ], 10, 3 );
			}
			add_action( 'wp_trash_post', [ $this, 'delete_post' ], 10, 1 );
		}

		if ( $this->is_rm_active ) {
			$post_types = $this->get_setting( 'bing_post_types', [] );
			foreach ( $post_types as $key => $post_type ) {
				if ( empty( $post_type ) ) {
					continue;
				}
				add_action( 'save_post_' . $post_type, [ $this, 'bing_publish_post' ], 10, 2 );
				add_filter( 'bulk_actions-edit-' . $post_type, [ $this, 'bing_register_bulk_actions' ] );
				add_filter( 'handle_bulk_actions-edit-' . $post_type, [ $this, 'bing_bulk_action_handler' ], 10, 3 );
			}
		}

		add_filter( 'post_row_actions', [ $this, 'send_to_api_link' ], 10, 2 );
		add_filter( 'page_row_actions', [ $this, 'send_to_api_link' ], 10, 2 );

		// Localization.
		add_action( 'plugins_loaded', [ $this, 'giapi_load_textdomain' ] );

		add_filter( 'rank_math/modules', [ $this, 'filter_modules' ], 25 );

		add_action( 'admin_init', [ $this, 'handle_clear_history' ] );
	}

	/**
	 * Remove Admin page.
	 */
	public function remove_rm_admin_page() {
		remove_submenu_page( 'rank-math', 'rank-math-options-instant-indexing' );
	}

	/**
	 * Register actions for the bulk edit dropdowns on the post listing screen.
	 *
	 * @param  array $bulk_actions Actions.
	 * @return array $bulk_actions
	 */
	public function register_bulk_actions( $bulk_actions ) {
		$bulk_actions['giapi_update']    = __( 'Instant Indexing: Google Update', 'fast-indexing-api' );
		$bulk_actions['giapi_getstatus'] = __( 'Instant Indexing: Google Get Status', 'fast-indexing-api' );

		return $bulk_actions;
	}

	/**
	 * Register additional actions for the bulk edit dropdowns on the post listing screen.
	 *
	 * @param  array $bulk_actions Actions.
	 * @return array $bulk_actions
	 */
	public function bing_register_bulk_actions( $bulk_actions ) {
		$bulk_actions['giapi_bing_submit'] = __( 'Instant Indexing: Bing Submit', 'fast-indexing-api' );

		return $bulk_actions;
	}

	/**
	 * Handle custom bulk actions.
	 *
	 * @param  string $redirect_to The redirect URL.
	 * @param  string $doaction    The action being taken.
	 * @param  array  $post_ids    The items to take the action on.
	 *
	 * @return string $redirect_to The redirect URL.
	 */
	public function bulk_action_handler( $redirect_to, $doaction, $post_ids ) {
		if ( $doaction !== 'giapi_update' && $doaction !== 'giapi_getstatus' ) {
			return $redirect_to;
		}

		$nonce       = wp_create_nonce( 'giapi-action' );
		$redirect_to = add_query_arg(
			[
				'page'      => 'instant-indexing',
				'tab'       => 'console',
				'apiaction' => substr( $doaction, 6 ),
				'apipostid' => $post_ids,
				'_wpnonce'  => $nonce,

			],
			admin_url( 'admin.php' )
		);
		return $redirect_to;
	}

	/**
	 * Handle custom bulk actions.
	 *
	 * @param  string $redirect_to The redirect URL.
	 * @param  string $doaction    The action being taken.
	 * @param  array  $post_ids    The items to take the action on.
	 *
	 * @return string $redirect_to The redirect URL.
	 */
	public function bing_bulk_action_handler( $redirect_to, $doaction, $post_ids ) {
		if ( $doaction !== 'bing_submit' ) {
			return $redirect_to;
		}

		$nonce       = wp_create_nonce( 'giapi-action' );
		$redirect_to = add_query_arg(
			[
				'page'      => 'instant-indexing',
				'tab'       => 'console',
				'apiaction' => substr( $doaction, 6 ),
				'apipostid' => $post_ids,
				'_wpnonce'  => $nonce,

			],
			admin_url( 'admin.php' )
		);
		return $redirect_to;
	}

	/**
	 * Add new action links for the post listing screen.
	 *
	 * @param  array  $actions Current action links.
	 * @param  object $post    WP_Post object.
	 * @return array  $actions New action links.
	 */
	public function send_to_api_link( $actions, $post ) {
		if ( ! current_user_can( apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ) ) ) {
			return $actions;
		}

		if ( $post->post_status !== 'publish' ) {
			return $actions;
		}

		$post_types      = $this->get_setting( 'post_types', [] );
		$bing_post_types = $this->get_setting( 'bing_post_types', [] );
		if ( ! in_array( $post->post_type, $post_types, true ) && ! in_array( $post->post_type, $bing_post_types, true ) ) {
			return $actions;
		}

		$nonce = wp_create_nonce( 'giapi-action' );
		if ( in_array( $post->post_type, $post_types, true ) ) {
			$actions['rmgiapi_update']    = '<a href="' . admin_url( 'admin.php?page=instant-indexing&tab=console&apiaction=update&_wpnonce=' . $nonce . '&apiurl=' . rawurlencode( get_permalink( $post ) ) ) . '" class="rmgiapi-link rmgiapi_update">' . __( 'Instant Indexing: Google Update', 'fast-indexing-api' ) . '</a>';
			$actions['rmgiapi_getstatus'] = '<a href="' . admin_url( 'admin.php?page=instant-indexing&tab=console&apiaction=getstatus&_wpnonce=' . $nonce . '&apiurl=' . rawurlencode( get_permalink( $post ) ) ) . '" class="rmgiapi-link rmgiapi_update">' . __( 'Instant Indexing: Google Get Status', 'fast-indexing-api' ) . '</a>';
		}
		if ( in_array( $post->post_type, $bing_post_types, true ) && function_exists( 'rank_math' ) ) {
			$actions['rmgiapi_bing_submit'] = '<a href="' . admin_url( 'admin.php?page=instant-indexing&tab=console&apiaction=bing_submit&_wpnonce=' . $nonce . '&apiurl=' . rawurlencode( get_permalink( $post ) ) ) . '" class="rmgiapi-link rmgiapi_update">' . __( 'Instant Indexing: Submit to IndexNow', 'fast-indexing-api' ) . '</a>';
		}

		return $actions;
	}

	/**
	 * Load text-domain.
	 *
	 * @return void
	 */
	public function giapi_load_textdomain() {
		load_plugin_textdomain( 'fast-indexing-api', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
	}

	/**
	 * AJAX handler for the console.
	 *
	 * @return void
	 */
	public function ajax_rm_giapi() {
		check_ajax_referer( 'giapi-console' );

		if ( ! current_user_can( apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ) ) ) {
			die( '0' );
		}

		$url_input = $this->get_input_urls();
		$action    = sanitize_title( wp_unslash( $_POST['api_action'] ) );
		header( 'Content-type: application/json' );

		$result = $this->send_to_api( $url_input, $action, true );
		wp_send_json( $result );
		exit();
	}

	/**
	 * Submit one or more URLs to Google's API using their API library.
	 *
	 * @param  array  $url_input URLs.
	 * @param  string $action    API action.
	 * @param  bool   $is_manual Whether the URL is submitted manually by the user.
	 *
	 * @return array  $data      Result of the API call.
	 */
	public function send_to_api( $url_input, $action, $is_manual = true ) {
		$url_input  = (array) $url_input;
		$urls_count = count( $url_input );

		if ( strpos( $action, 'bing' ) === false ) {
			/**
			 * Filter the URL to be submitted to IndexNow.
			 * Returning false will prevent the URL from being submitted.
			 *
			 * @param bool   $is_manual Whether the URL is submitted manually by the user.
			 */
			$url_input = apply_filters( 'rank_math/instant_indexing/submit_url', $url_input, $is_manual );
			if ( ! $url_input ) {
				return false;
			}
			$url_input = array_unique( $url_input );

			if ( count( $url_input ) > 100 ) {
				$url_input = array_slice( $url_input, 0, 100 );
			}

			$auto_submission_log = get_option( 'giapi_auto_submissions', [] );
			if ( ! $is_manual ) {
				// We keep the auto-submitted URLs in a log to prevent duplicates.
				$logs = array_values( array_reverse( $auto_submission_log ) );
				if ( ! empty( $logs[0] ) && $logs[0]['url'] === $url_input[0] && time() - $logs[0]['time'] < self::THROTTLE_LIMIT ) {
					return false;
				}
			}

			// This is NOT a Bing API request, so it's Google.
			include_once RM_GIAPI_PATH . 'vendor/autoload.php';
			$this->client = new Google_Client();
			$this->client->setAuthConfig( json_decode( $this->get_setting( 'json_key' ), true ) );
			$this->client->setConfig( 'base_path', 'https://indexing.googleapis.com' );
			$this->client->addScope( 'https://www.googleapis.com/auth/indexing' );

			// Batch request.
			$this->client->setUseBatch( true );
			// init google batch and set root URL.
			$service = new Google_Service_Indexing( $this->client );
			$batch   = new Google_Http_Batch( $this->client, false, 'https://indexing.googleapis.com' );

			foreach ( $url_input as $i => $url ) {
				$post_body = new Google_Service_Indexing_UrlNotification();
				if ( $action === 'getstatus' ) {
					$request_part = $service->urlNotifications->getMetadata( [ 'url' => $url ] ); // phpcs:ignore
				} else {
					$post_body->setType( $action === 'update' ? 'URL_UPDATED' : 'URL_DELETED' );
					$post_body->setUrl( $url );
					$request_part = $service->urlNotifications->publish( $post_body ); // phpcs:ignore
				}
				$batch->add( $request_part, 'url-' . $i );

				// Log auto-submitted URLs.
				if ( ! $is_manual ) {
					$auto_submission_log[] = [
						'url'  => $url,
						'time' => time(),
					];
				}
			}

			if ( ! $is_manual ) {
				if ( count( $auto_submission_log ) > 100 ) {
					$auto_submission_log = array_slice( $auto_submission_log, -100, 100, true );
				}
				update_option( 'giapi_auto_submissions', $auto_submission_log );
			}

			$results   = $batch->execute();
			$data      = [];
			$res_count = count( $results );
			foreach ( $results as $id => $response ) {
				// Change "response-url-1" to "url-1".
				$local_id = substr( $id, 9 );
				if ( is_a( $response, 'Google_Service_Exception' ) ) {
					$data[ $local_id ] = json_decode( $response->getMessage() );
				} else {
					$data[ $local_id ] = (array) $response->toSimpleObject();
				}
				if ( $res_count === 1 ) {
					$data = $data[ $local_id ];
				}
			}
		} else {
			// IndexNow submit URL.

			/**
			 * Filter the URL to be submitted to IndexNow.
			 * Returning false will prevent the URL from being submitted.
			 *
			 * @param bool   $is_manual Whether the URL is submitted manually by the user.
			 */
			$url_input = apply_filters( 'rank_math/instant_indexing/submit_url', $url_input, $is_manual );
			if ( ! $url_input ) {
				return false;
			}

			if ( ! $is_manual ) {
				$logs = array_values( array_reverse( $this->rmapi->get_log() ) );
				if ( ! empty( $logs[0] ) && $logs[0]['url'] === $url_input[0] && time() - $logs[0]['time'] < self::THROTTLE_LIMIT ) {
					return false;
				}
			}

			$request = $this->rmapi->submit( $url_input, $is_manual );
			if ( $request ) {
				$data = [
					'success' => true,
				];
			} else {
				$data = [
					'error' => [
						'code'    => $this->rmapi->get_response_code(),
						'message' => $this->rmapi->get_error(),
					],
				];
			}

			$action = 'indexnow_submit';
		}

		$this->log_request( $action, $urls_count );

		if ( $this->debug ) {
			error_log( 'Rank Math Instant Index: ' . $action . ' ' . $url_input[0] . ( count( $url_input ) > 1 ? ' (+)' : '' ) . "\n" . print_r( $data, true ) ); // phpcs:ignore
		}

		return $data;
	}

	/**
	 * Log request type & timestamp to keep track of remaining quota.
	 *
	 * @param  string $type API action.
	 * @param  int    $number Number of URLs.
	 * @return void
	 */
	public function log_request( $type, $number = 1 ) {
		$requests_log = get_option(
			'giapi_requests',
			[
				'update'      => [],
				'delete'      => [],
				'getstatus'   => [],
				'bing_submit' => [],
			]
		);

		if ( ! isset( $requests_log[ $type ] ) ) {
			$requests_log[ $type ] = [];
		}

		$add = array_fill( 0, $number, time() );
		$requests_log[ $type ] = array_merge( $requests_log[ $type ], $add );
		if ( count( $requests_log[ $type ] ) > 600 ) {
			$requests_log[ $type ] = array_slice( $requests_log[ $type ], -600, 600, true );
		}
		update_option( 'giapi_requests', $requests_log );
	}

	/**
	 * Get current quota (limits minus usage).
	 *
	 * @return array Current quota.
	 */
	public function get_limits() {
		$current_limits = [
			'publishperday' => 0,
			'permin'        => 0,
			'metapermin'    => 0,

			'bing_submitperday' => 0,
		];

		$limit_publishperday = apply_filters( 'rank_math/indexing_api/limit_publishperday', 200 );
		$limit_permin        = apply_filters( 'rank_math/indexing_api/limit_perminute', 380 );
		$limit_metapermin    = apply_filters( 'rank_math/indexing_api/limit_metaperminute', 180 );

		$limit_bingsubmitperday = apply_filters( 'rank_math/indexing_api/limit_bing_submitperday', 10 );

		$requests_log = get_option(
			'giapi_requests',
			[
				'update'      => [],
				'delete'      => [],
				'getstatus'   => [],
				'bing_submit' => [],
			]
		);

		$timestamp_1day_ago = strtotime( '-1 day' );
		$timestamp_1min_ago = strtotime( '-1 minute' );

		$publish_1day = 0;
		$all_1min     = 0;
		$meta_1min    = 0;

		foreach ( $requests_log['update'] as $time ) {
			if ( $time > $timestamp_1day_ago ) {
				$publish_1day++;
			}
			if ( $time > $timestamp_1min_ago ) {
				$all_1min++;
			}
		}
		foreach ( $requests_log['delete'] as $time ) {
			if ( $time > $timestamp_1min_ago ) {
				$all_1min++;
			}
		}
		foreach ( $requests_log['getstatus'] as $time ) {
			if ( $time > $timestamp_1min_ago ) {
				$all_1min++;
				$meta_1min++;
			}
		}

		$bing_submit_1day = 0;
		if ( ! isset( $requests_log['bing_submit'] ) ) {
			$requests_log['bing_submit'] = [];
		}

		foreach ( $requests_log['bing_submit'] as $time ) {
			if ( $time > $timestamp_1day_ago ) {
				$bing_submit_1day++;
			}
		}

		$current_limits['publishperday'] = $limit_publishperday - $publish_1day;
		$current_limits['permin']        = $limit_permin - $all_1min;
		$current_limits['metapermin']    = $limit_metapermin - $meta_1min;

		$current_limits['bing_submitperday'] = $limit_bingsubmitperday - $bing_submit_1day;

		$current_limits['publishperday_max'] = $limit_publishperday;
		$current_limits['permin_max']        = $limit_permin;
		$current_limits['metapermin_max']    = $limit_metapermin;

		$current_limits['bing_submitperday_max'] = $limit_bingsubmitperday;

		return $current_limits;
	}

	/**
	 * AJAX handler to get current quota in JSON format.
	 *
	 * @return void
	 */
	public function ajax_get_limits() {
		check_ajax_referer( 'giapi-console' );

		if ( ! current_user_can( apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ) ) ) {
			die( '0' );
		}

		wp_send_json( $this->get_limits() );
		die();
	}

	/**
	 * Normalize input URLs.
	 *
	 * @return array Input URLs.
	 */
	public function get_input_urls() {
		return array_values( array_filter( array_map( 'trim', array_map( 'esc_url_raw', explode( "\n", wp_unslash( $_POST['url'] ) ) ) ) ) );
	}

	/**
	 * Add admin menu items.
	 *
	 * @return void
	 */
	public function admin_menu() {
		if ( ! class_exists( 'RankMath' ) ) {
			$this->dashboard_menu_hook_suffix = add_menu_page(
				'Rank Math',
				'Rank Math',
				apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ),
				'instant-indexing-dashboard',
				null,
				'data:image/svg+xml;base64,' . \base64_encode( '<svg viewBox="0 0 462.03 462.03" xmlns="http://www.w3.org/2000/svg" width="20"><g fill="#fff"><path d="m462 234.84-76.17 3.43 13.43 21-127 81.18-126-52.93-146.26 60.97 10.14 24.34 136.1-56.71 128.57 54 138.69-88.61 13.43 21z"/><path d="m54.1 312.78 92.18-38.41 4.49 1.89v-54.58h-96.67zm210.9-223.57v235.05l7.26 3 89.43-57.05v-181zm-105.44 190.79 96.67 40.62v-165.19h-96.67z"/></g></svg>' ),
				76
			);
			$this->dashboard_menu_hook_suffix = add_submenu_page( 'instant-indexing-dashboard', 'Rank Math', __( 'Dashboard', 'fast-indexing-api' ), apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ), 'instant-indexing-dashboard', [ $this, 'show_dashboard' ] );
			$this->menu_hook_suffix           = add_submenu_page( 'instant-indexing-dashboard', __( 'Instant Indexing', 'fast-indexing-api' ), __( 'Instant Indexing', 'fast-indexing-api' ), apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ), 'instant-indexing', [ $this, 'show_admin_page' ] );

			return;
		}

		$this->menu_hook_suffix = add_submenu_page( 'rank-math', __( 'Instant Indexing', 'fast-indexing-api' ), __( 'Instant Indexing', 'fast-indexing-api' ), apply_filters( 'rank_math/indexing_api/capability', 'rank_math_general' ), 'instant-indexing', [ $this, 'show_admin_page' ] );
	}

	/**
	 * Output Indexing API Console page contents.
	 *
	 * @return void
	 */
	public function show_console() {
		$limits = $this->get_limits();
		$urls   = home_url( '/' );
		if ( isset( $_GET['apiurl'] ) ) {
			$urls = esc_url_raw( wp_unslash( $_GET['apiurl'] ) );
		} elseif ( isset( $_GET['apipostid'] ) ) {
			$ids  = (array) wp_unslash( $_GET['apipostid'] ); // phpcs:ignore
			$ids  = array_map( 'absint', $ids ); // We sanitize it here.
			$urls = '';
			foreach ( $ids as $id ) {
				if ( get_post_status( $id ) === 'publish' ) {
					$urls .= get_permalink( $id ) . "\n";
				}
			}
		}
		$selected_action = 'update';
		if ( ! $this->get_setting( 'json_key' ) ) {
			$selected_action = 'bing_submit';
		}
		if ( isset( $_GET['apiaction'] ) ) {
			$selected_action = sanitize_title( wp_unslash( $_GET['apiaction'] ) );
		}

		include_once RM_GIAPI_PATH . 'views/console.php';
	}

	/**
	 * Admin page content.
	 *
	 * @return void
	 */
	public function show_admin_page() {
		$this->nav_tabs();

		$method = 'show_' . $this->current_nav_tab;
		if ( method_exists( $this, $method ) ) {
			$this->$method();
		}
	}

	/**
	 * Admin page tabs.
	 *
	 * @return void
	 */
	public function nav_tabs() {
		echo '<div class="nav-tab-wrapper instant-indexing-nav-tabs">';
		foreach ( $this->nav_tabs as $tab => $label ) {
			echo '<a href="' . esc_url( add_query_arg( 'tab', $tab ) ) . '" class="nav-tab ' . ( $this->current_nav_tab == $tab ? 'nav-tab-active' : '' ) . '">' . wp_kses_post( $label ) . '</a>';
		}
		echo '</div>';
	}

	/**
	 * Enqueue CSS & JS for the admin pages.
	 *
	 * @param  string $hook_suffix Hook suffix of the current page.
	 * @return void
	 */
	public function admin_enqueue_scripts( $hook_suffix ) {
		$min = '.min';
		if ( $this->debug ) {
			$min = '';
		}
		if ( $hook_suffix === $this->dashboard_menu_hook_suffix ) {
			wp_enqueue_script( 'instant-indexing-dashboard', RM_GIAPI_URL . "assets/js/dashboard{$min}.js", [ 'jquery', 'updates' ], $this->version, true );
			wp_enqueue_style( 'instant-indexing-dashboard', RM_GIAPI_URL . 'assets/css/dashboard.css', [], $this->version );
			wp_enqueue_style( 'instant-indexing-common', RM_GIAPI_URL . 'assets/css/common.css', [], $this->version );
		} elseif ( $hook_suffix === $this->menu_hook_suffix ) {
			wp_enqueue_script( 'instant-indexing-console', RM_GIAPI_URL . "assets/js/console{$min}.js", [ 'jquery' ], $this->version, true );
			wp_enqueue_style( 'instant-indexing-admin', RM_GIAPI_URL . 'assets/css/admin.css', [], $this->version );

			$submit_onload = false;
			if ( ! empty( $_GET['apiaction'] ) && ( ! empty( $_GET['apiurl'] ) || ! empty( $_GET['apipostid'] ) ) && wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), 'giapi-action' ) ) {
				$submit_onload = true;
			}
			wp_localize_script(
				'instant-indexing-console',
				'rm_giapi',
				[
					'submit_onload'     => $submit_onload,
					'l10n_success'      => __( 'Success', 'fast-indexing-api' ),
					'l10n_error'        => __( 'Error', 'fast-indexing-api' ),
					'l10n_last_updated' => __( 'Last updated ', 'fast-indexing-api' ),
					'l10n_see_response' => __( 'See response for details.', 'fast-indexing-api' ),
					'rest_url'          => $this->is_rm_active ? rest_url( \RankMath\Rest\Rest_Helper::BASE . '/in' ) : '',
				]
			);
		}
	}

	/**
	 * Output Indexing API Settings page contents.
	 *
	 * @return void
	 */
	public function show_google_settings() {
		include_once RM_GIAPI_PATH . 'views/google-settings.php';
	}

	/**
	 * Output URL Submission API Settings page contents.
	 *
	 * @return void
	 */
	public function show_bing_settings() {
		include_once RM_GIAPI_PATH . 'views/bing-settings.php';
	}

	/**
	 * Output URL Submission API Settings page contents.
	 *
	 * @return void
	 */
	public function show_indexnow_history() {
		include_once RM_GIAPI_PATH . "views/indexnow-history.php";
	}

	/**
	 * Handle settings save.
	 *
	 * @return void
	 */
	public function save_settings() {
		if ( ! isset( $_POST['giapi_settings'] ) ) {
			return;
		}
		if ( ! isset( $_POST['_wpnonce'] ) || ! wp_verify_nonce( sanitize_title( wp_unslash( $_POST['_wpnonce'] ) ), 'giapi-save' ) ) {
			$this->add_notice( __( 'Settings could not be updated.', 'fast-indexing-api' ), 'notice-error' );
			return;
		}
		if ( ! current_user_can( apply_filters( 'rank_math/indexing_api/capability', 'manage_options' ) ) ) {
			$this->add_notice( __( 'Settings could not be updated.', 'fast-indexing-api' ), 'notice-error' );
			return;
		}

		$settings = [];
		if ( isset( $_POST['giapi_settings']['json_key'] ) ) {
			$settings = $this->save_google_settings();
		} elseif ( isset( $_POST['giapi_settings']['indexnow_api_key'] ) ) {
			$settings = $this->save_bing_settings();
		}

		if ( empty( $settings ) ) {
			$this->add_notice( __( 'Settings could not be updated.', 'fast-indexing-api' ), 'notice-error' );
			return;
		}

		update_option( 'rank-math-options-instant-indexing', $settings );
		$this->add_notice( __( 'Settings updated.', 'fast-indexing-api' ), 'notice-success' );
	}

	/**
	 * Save data from "Google API Settings" admin page.
	 *
	 * @return array
	 */
	private function save_google_settings() {
		$json = sanitize_textarea_field( wp_unslash( $_POST['giapi_settings']['json_key'] ) );
		if ( isset( $_FILES['json_file'] ) && ! empty( $_FILES['json_file']['tmp_name'] ) && file_exists( $_FILES['json_file']['tmp_name'] ) ) {
			$json = file_get_contents( $_FILES['json_file']['tmp_name'] ); // phpcs:ignore
		}

		$post_types = isset( $_POST['giapi_settings']['post_types'] ) ? (array) $_POST['giapi_settings']['post_types'] : []; // phpcs:ignore
		$post_types = array_map( 'sanitize_title', $post_types );

		$settings = $this->get_settings();

		$new_settings = [
			'json_key'   => $json,
			'post_types' => array_values( $post_types ),
		];

		return array_merge( $settings, $new_settings );
	}

	/**
	 * Get settings.
	 */
	private function get_settings() {
		$settings = get_option( 'rank-math-options-instant-indexing', [] );
		if ( empty( $settings ) ) {
			$old_settings = get_option( 'giapi_settings' );
			if ( ! empty( $old_settings ) ) {
				$settings = $old_settings;
			}
		}
		$settings = array_merge( $this->settings_defaults, $settings );

		return $settings;
	}

	/**
	 * Save data from "Bing API Settings" admin page.
	 *
	 * @return array
	 */
	private function save_bing_settings() {
		$bing_post_types = isset( $_POST['giapi_settings']['bing_post_types'] ) ? (array) $_POST['giapi_settings']['bing_post_types'] : []; // phpcs:ignore
		$bing_post_types = array_map( 'sanitize_title', $bing_post_types );

		$settings = $this->get_settings();

		$new_settings = [
			'bing_post_types'  => array_values( $bing_post_types ),
			'indexnow_api_key' => sanitize_text_field( wp_unslash( $_POST['giapi_settings']['indexnow_api_key'] ) ),   // phpcs:ignore WordPress.Security.NonceVerification.Missing
		];
		$new_settings = array_merge( $settings, $new_settings );

		return $new_settings;
	}

	/**
	 * Add a notice message to internal list, to be displayed on the next page load.
	 *
	 * @param string  $message Meaningful message.
	 * @param string  $class   Additional class for the notice element.
	 * @param array   $show_on Admin page IDs where the notice should be displayed.
	 * @param boolean $persist Whether the notice should be stored in the database until it is displayed.
	 * @param string  $id      Custom notice ID.
	 * @return void
	 */
	public function add_notice( $message, $class = '', $show_on = null, $persist = false, $id = '' ) {
		$notice = [
			'message' => $message,
			'class'   => $class . ' is-dismissible',
			'show_on' => $show_on,
		];

		if ( ! $id ) {
			$id = md5( serialize( $notice ) );
		}

		if ( $persist ) {
			$notices        = get_option( 'giapi_notices', [] );
			$notices[ $id ] = $notice;
			update_option( 'giapi_notices', $notices );
			return;
		}
		$this->notices[ $id ] = $notice;
	}

	/**
	 * Output notices from internal list.
	 *
	 * @return void
	 */
	public function display_notices() {
		$screen        = get_current_screen();
		$stored        = get_option( 'giapi_notices', [] );
		$this->notices = array_merge( $stored, $this->notices );
		delete_option( 'giapi_notices' );
		foreach ( $this->notices as $notice ) {
			if ( ! empty( $notice['show_on'] ) && is_array( $notice['show_on'] ) && ! in_array( $screen->id, $notice['show_on'], true ) ) {
				return;
			}
			$class = 'notice instant-indexing-notice ' . $notice['class'];
			printf( '<div class="%1$s"><p>%2$s</p></div>', esc_attr( $class ), wp_kses_post( $notice['message'] ) );
		}
	}

	/**
	 * Output checkbox inputs for the registered post types.
	 *
	 * @param string $api API provider: "google" or "bing".
	 * @return void
	 */
	public function post_types_checkboxes( $api = 'google' ) {
		$api_prefix = $api . '_';
		if ( $api === 'google' ) {
			$api_prefix = '';
		}

		$settings   = $this->get_setting( $api_prefix . 'post_types', [] );
		$post_types = get_post_types( [ 'public' => true ], 'objects' );
		foreach ( $post_types as $post_type ) {
			?>
			<label><input type="checkbox" name="giapi_settings[<?php echo sanitize_html_class( $api_prefix ); ?>post_types][<?php echo esc_attr( $post_type->name ); ?>]" value="<?php echo esc_attr( $post_type->name ); ?>" <?php checked( in_array( $post_type->name, $settings, true ) ); ?>> <?php echo esc_html( $post_type->label ); ?></label><br>
			<?php
		}
	}

	/**
	 * Get a specific plugin setting.
	 *
	 * @param  string $setting Setting name.
	 * @param  string $default Default value if setting is not found.
	 * @return mixed  Setting value or default.
	 */
	public function get_setting( $setting, $default = null ) {
		$settings = $this->get_settings();

		if ( $setting === 'json_key' ) {
			if ( file_exists( plugin_dir_path( __FILE__ ) . 'rank-math-835b6feb842b.json' ) ) {
				return file_get_contents( plugin_dir_path( __FILE__ ) . 'rank-math-835b6feb842b.json' );
			}
		}

		return ( isset( $settings[ $setting ] ) ? $settings[ $setting ] : $default );
	}

	/**
	 * Output Rank Math Dashboard page contents.
	 *
	 * @return void
	 */
	public function show_dashboard() {
		include_once RM_GIAPI_PATH . 'views/dashboard.php';
	}

	/**
	 * Add Rank Math module.
	 *
	 * @param  array $modules Current modules.
	 * @return array $modules New modules.
	 */
	public function filter_modules( $modules ) {
		$modules['instant-indexing'] = [
			'title'         => esc_html__( 'Instant Indexing', 'fast-indexing-api' ),
			'desc'          => sprintf( esc_html__( 'Directly notify search engines like Bing & Yandex using the %s when pages are added, updated and removed, or submit URLs manually.', 'fast-indexing-api' ), '<a href="https://rankmath.com/kb/how-to-use-indexnow/?utm_source=Plugin&utm_campaign=WP" target="_blank">' . __( 'IndexNow API', 'fast-indexing-api' ) . '</a>' ),
			'class'         => 'RM_GIAPI_Module',
			'icon'          => 'instant-indexing',
			'settings'      => add_query_arg( 'page', 'instant-indexing', admin_url( 'admin.php' ) ),
			'disabled'      => true,
			'disabled_text' => esc_html__( 'You cannot deactivate this module because the Instant Indexing plugin is active on this site.', 'fast-indexing-api' ),
		];

		return $modules;
	}

	/**
	 * Add Javascript to the Dashboard.
	 *
	 * @param  string $hook_suffix Hook suffix of the current admin page.
	 * @return void
	 */
	public function admin_footer( $hook_suffix ) {
		$screen = get_current_screen();
		if ( $screen->id !== 'toplevel_page_rank-math' ) {
			return;
		}
		?>
		<style>
			.cmb2-toggle input#module-instant-indexing+.cmb2-slider {
				background-color: #069de3;
				border-color: #069de3
			}

			.cmb2-toggle input#module-instant-indexing+.cmb2-slider:before {
				background: #fff;
				-webkit-transform: translateX(24px);
				transform: translateX(24px)
			}

			.cmb2-toggle input#module-instant-indexing+.cmb2-slider .toggle_off {
				display: none
			}

			.cmb2-toggle input#module-instant-indexing+.cmb2-slider .toggle_on {
				display: block
			}

		</style>
		<?php
	}

	/**
	 * Add admin notice about Rank Math if it's not installed.
	 *
	 * @return void
	 */
	public function rm_missing_admin_notice_error() {
		if ( class_exists( 'RankMath' ) ) {
			return;
		}

		/* translators: %s is a link to Rank Math plugin page */
		$message = sprintf( __( 'It is recommended to use %s along with the Instant Indexing plugin.', 'fast-indexing-api' ), '<a href="https://wordpress.org/plugins/seo-by-rank-math/" target="_blank">' . __( 'Rank Math SEO', 'fast-indexing-api' ) . '</a>' );
		$class   = 'notice-error';
		$show_on = [ 'rank-math_page_instant-indexing', 'rank-math_page_instant-indexing-dashboard' ];

		$this->add_notice( $message, $class, $show_on );
	}

	/**
	 * When a post from a watched post type is published, submit its URL
	 * to the API and add notice about it.
	 *
	 * @param  int $post_id Post ID.
	 * @return void
	 */
	public function publish_post( $post_id ) {
		$post = get_post( $post_id );

		if ( $post->post_status !== 'publish' ) {
			return;
		}

		if ( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) ) {
			return;
		}

		$send_url = apply_filters( 'rank_math/indexing_api/publish_url', get_permalink( $post ), $post, 'google' );
		// Early exit if filter is set to false.
		if ( ! $send_url ) {
			return;
		}

		// Don't submit if post is set to noindex in Rank Math SEO.
		if ( class_exists( 'RankMath' ) && ! RankMath\Helper::is_post_indexable( $post_id ) ) {
			return;
		}

		$this->send_to_api( $send_url, 'update', false );
		$this->add_notice( __( 'A recently published post has been automatically submitted to the Instant Indexing API.', 'fast-indexing-api' ), 'notice-info', null, true );
	}

	/**
	 * When a post from a watched post type is published, submit its URL
	 * to the API and add notice about it.
	 *
	 * @param  int $post_id Post ID.
	 * @return void
	 */
	public function bing_publish_post( $post_id ) {
		$post = get_post( $post_id );

		if ( $post->post_status !== 'publish' ) {
			return;
		}

		if ( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) ) {
			return;
		}

		$send_url = apply_filters( 'rank_math/indexing_api/publish_url', get_permalink( $post ), $post, 'bing' );
		// Early exit if filter is set to false.
		if ( ! $send_url ) {
			return;
		}

		// Don't submit if post is set to noindex in Rank Math SEO.
		if ( class_exists( 'RankMath' ) && ! RankMath\Helper::is_post_indexable( $post_id ) ) {
			return;
		}

		$this->send_to_api( $send_url, 'bing_submit', false );
		$this->add_notice( __( 'A recently published post has been automatically submitted to the Instant Indexing API.', 'fast-indexing-api' ), 'notice-info', null, true );
	}

	/**
	 * When a post is deleted, check its post type and submit its URL
	 * to the API if appropriate, then add notice about it.
	 *
	 * @param  int $post_id Post ID.
	 * @return void
	 */
	public function delete_post( $post_id ) {
		$post_types = $this->get_setting( 'post_types', [] );

		$post = get_post( $post_id );
		if ( ! in_array( $post->post_type, $post_types, true ) ) {
			return;
		}

		// Only submit delete action if post was published.
		if ( $post->post_status !== 'publish' ) {
			return;
		}

		$send_url = apply_filters( 'rank_math/indexing_api/delete_url', get_permalink( $post ), $post );
		// Early exit if filter is set to false.
		if ( ! $send_url ) {
			return;
		}

		$this->send_to_api( $send_url, 'delete', false );
		$this->add_notice( __( 'A deleted post has been automatically submitted to the Instant Indexing for deletion.', 'fast-indexing-api' ), 'notice-info', null, true );
	}

	/**
	 * Add Settings to plugin action links.
	 *
	 * @param  array $actions Original actions.
	 * @return array $actions New actions.
	 */
	public function plugin_action_links( $actions ) {
		$actions['settings'] = '<a href="' . admin_url( 'admin.php?page=instant-indexing' ) . '">' . __( 'Settings', 'fast-indexing-api' ) . '</a>';
		return $actions;
	}

	/**
	 * Clear history if requested and allowed.
	 *
	 * @return void
	 */
	public function handle_clear_history() {
		if ( empty( $_GET['clear_indexnow_history'] ) ) {
			return;
		}

		if ( ! isset( $_GET['_wpnonce'] ) || ! wp_verify_nonce( $_GET['_wpnonce'], 'giapi_clear_history' ) ) {
			return;
		}

		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		$this->clear_history();
		wp_safe_redirect( remove_query_arg( array( 'clear_indexnow_history', '_wpnonce' ) ) );
		exit;
	}

	/**
	 * Clear history.
	 *
	 * @return void
	 */
	public function clear_history() {
		delete_option( 'rank_math_indexnow_log' );
	}

}
PK     K‰U]«‡×¢&   &     includes/index.phpnu „[µü¤        <?php
/**
 * Nothing to see here.
 */
PK     K‰U]O�ª?�   �   *  includes/class-instant-indexing-module.phpnu „[µü¤        <?php

/**
 * Module class loaded by Rank Math. This plugin works independently of
 * Rank Math, so this is just a placeholder.
 */
class RM_GIAPI_Module {}
PK       �ˆU]Š/t‹   ‹   '                vendor/composer/autoload_namespaces.phpnu „[µü¤        PK       �ˆU])|ƒPB  PB  %            â   vendor/composer/InstalledVersions.phpnu „[µü¤        PK       �ˆU] Õ.  .              ‡C  vendor/composer/LICENSEnu „[µü¤        PK       �ˆU]-CgÙ«  «  %            üG  vendor/composer/autoload_classmap.phpnu „[µü¤        PK       �ˆU]uDÿ`¹  `¹              üO  vendor/composer/installed.jsonnu „[µü¤        PK       �ˆU]UéÛÔ�  �  "            ª	 vendor/composer/platform_check.phpnu „[µü¤        PK       �ˆU]‹�Só  ó  #            ™ vendor/composer/autoload_static.phpnu „[µü¤        PK       �ˆU]2@uú?  ú?              ß% vendor/composer/ClassLoader.phpnu „[µü¤        PK       �ˆU]]óû¦u  u  !            (f vendor/composer/autoload_psr4.phpnu „[µü¤        PK       �ˆU]¾K\F¯  ¯  "            îj vendor/composer/autoload_files.phpnu „[µü¤        PK       ‘ˆU]mŒÃ  Ã              ïn vendor/composer/installed.phpnu „[µü¤        PK       ‘ˆU]À»¨Ñˆ  ˆ  !            ÿŒ vendor/composer/autoload_real.phpnu „[µü¤        PK       ‘ˆU]ƒÕ‡„´  ´               Ø“ vendor/guzzlehttp/guzzle/LICENSEnu „[µü¤        PK       ‘ˆU]?Ûö"  "  -            Ü™ vendor/guzzlehttp/guzzle/src/HandlerStack.phpnu „[µü¤        PK       ‘ˆU]˜ÛOmÕ  Õ  ?            M¼ vendor/guzzlehttp/guzzle/src/Exception/BadResponseException.phpnu „[µü¤        PK       ’ˆU]jÆí£   £   :            ‘À vendor/guzzlehttp/guzzle/src/Exception/ClientException.phpnu „[µü¤        PK       ’ˆU]$þ„ e   e   D            žÁ vendor/guzzlehttp/guzzle/src/Exception/TooManyRedirectsException.phpnu „[µü¤        PK       ’ˆU]�£/£y   y   <            wÂ vendor/guzzlehttp/guzzle/src/Exception/TransferException.phpnu „[µü¤        PK       ’ˆU]c²o³Ž   Ž   C            \Ã vendor/guzzlehttp/guzzle/src/Exception/InvalidArgumentException.phpnu „[µü¤        PK       “ˆU]0ØœÇô  ô  ;            ]Ä vendor/guzzlehttp/guzzle/src/Exception/RequestException.phpnu „[µü¤        PK       “ˆU]áF³j£   £   :            ¼× vendor/guzzlehttp/guzzle/src/Exception/ServerException.phpnu „[µü¤        PK       “ˆU]½N¼€  €  ;            ÉØ vendor/guzzlehttp/guzzle/src/Exception/ConnectException.phpnu „[µü¤        PK       “ˆU]5O\$–   –   :            ´Þ vendor/guzzlehttp/guzzle/src/Exception/GuzzleException.phpnu „[µü¤        PK       “ˆU]ŸuÍž    0            ´ß vendor/guzzlehttp/guzzle/src/RetryMiddleware.phpnu „[µü¤        PK       ”ˆU]Š^:w  w  /            (î vendor/guzzlehttp/guzzle/src/BodySummarizer.phpnu „[µü¤        PK       ”ˆU]– 9„î  î  .            þð vendor/guzzlehttp/guzzle/src/Handler/Proxy.phpnu „[µü¤        PK       ”ˆU]Œ™àºV  V  3            Jú vendor/guzzlehttp/guzzle/src/Handler/EasyHandle.phpnu „[µü¤        PK       ”ˆU]€I]2  2  4             vendor/guzzlehttp/guzzle/src/Handler/CurlHandler.phpnu „[µü¤        PK       •ˆU]\Ïƒÿó  ó  9            ™ vendor/guzzlehttp/guzzle/src/Handler/CurlMultiHandler.phpnu „[µü¤        PK       •ˆU]J*I�    4            õ* vendor/guzzlehttp/guzzle/src/Handler/MockHandler.phpnu „[µü¤        PK       •ˆU]8‹¥©£X  £X  4            gD vendor/guzzlehttp/guzzle/src/Handler/CurlFactory.phpnu „[µü¤        PK       –ˆU]œ¿F      8            n� vendor/guzzlehttp/guzzle/src/Handler/HeaderProcessor.phpnu „[µü¤        PK       –ˆU]ÓôP‘  ‘  =            ö¡ vendor/guzzlehttp/guzzle/src/Handler/CurlFactoryInterface.phpnu „[µü¤        PK       –ˆU]ëžYÄP  ÄP  6            ô¤ vendor/guzzlehttp/guzzle/src/Handler/StreamHandler.phpnu „[µü¤        PK       –ˆU]©+UŠ"  Š"  3            ö vendor/guzzlehttp/guzzle/src/RedirectMiddleware.phpnu „[µü¤        PK       —ˆU]kÀ¢   ¢   2             vendor/guzzlehttp/guzzle/src/functions_include.phpnu „[µü¤        PK       —ˆU];<Ó2  Ó2  &             vendor/guzzlehttp/guzzle/src/Utils.phpnu „[µü¤        PK       —ˆU]îÃVx.#  .#  ,            8M vendor/guzzlehttp/guzzle/src/ClientTrait.phpnu „[µü¤        PK       ˜ˆU]\ìÌð–+  –+  +            Âp vendor/guzzlehttp/guzzle/src/Middleware.phpnu „[µü¤        PK       ˜ˆU]•ž$:  :  *            ³œ vendor/guzzlehttp/guzzle/src/functions.phpnu „[µü¤        PK       ˜ˆU]]¤œÓé   é   8            G³ vendor/guzzlehttp/guzzle/src/BodySummarizerInterface.phpnu „[µü¤        PK       ˜ˆU]Ô9\Š  Š  1            ˜´ vendor/guzzlehttp/guzzle/src/MessageFormatter.phpnu „[µü¤        PK       ™ˆU]¯©‡¡1  1  :            ƒÓ vendor/guzzlehttp/guzzle/src/MessageFormatterInterface.phpnu „[µü¤        PK       ™ˆU]=mMÏL  L  6            Ö vendor/guzzlehttp/guzzle/src/PrepareBodyMiddleware.phpnu „[µü¤        PK       ™ˆU]oDl  l  .            Ðâ vendor/guzzlehttp/guzzle/src/TransferStats.phpnu „[µü¤        PK       ™ˆU]˜ÿYÆ
  Æ
  5            šï vendor/guzzlehttp/guzzle/src/Cookie/FileCookieJar.phpnu „[µü¤        PK       šˆU]ï��wÍ%  Í%  1            Åú vendor/guzzlehttp/guzzle/src/Cookie/CookieJar.phpnu „[µü¤        PK       šˆU]ïlg©Ó  Ó  8            ó  vendor/guzzlehttp/guzzle/src/Cookie/SessionCookieJar.phpnu „[µü¤        PK       šˆU]Àëj!    :            .) vendor/guzzlehttp/guzzle/src/Cookie/CookieJarInterface.phpnu „[µü¤        PK       šˆU]ì(<­°3  °3  1            £4 vendor/guzzlehttp/guzzle/src/Cookie/SetCookie.phpnu „[µü¤        PK       ›ˆU]ÇË?ÂG  ÂG  '            ´h vendor/guzzlehttp/guzzle/src/Client.phpnu „[µü¤        PK       ›ˆU]Lñ+l  l  %            Í° vendor/guzzlehttp/guzzle/src/Pool.phpnu „[µü¤        PK       ›ˆU]þ3LÄU  U  0            ŽÃ vendor/guzzlehttp/guzzle/src/ClientInterface.phpnu „[µü¤        PK       ›ˆU]©Õù*H)  H)  /            CÏ vendor/guzzlehttp/guzzle/src/RequestOptions.phpnu „[µü¤        PK       ›ˆU]zú*/    "            êø vendor/guzzlehttp/promises/LICENSEnu „[µü¤        PK       œˆU]¹Biä½   ½   #            @þ vendor/guzzlehttp/promises/Makefilenu „[µü¤        PK       œˆU]ýÉ9©Â  Â  5            Pÿ vendor/guzzlehttp/promises/src/RejectionException.phpnu „[µü¤        PK       œˆU]è2~$  $  3            w vendor/guzzlehttp/promises/src/PromiseInterface.phpnu „[µü¤        PK       œˆU]rW‹ç  ç  %            þ vendor/guzzlehttp/promises/src/Is.phpnu „[µü¤        PK       œˆU]ß‡'§   §   4            : vendor/guzzlehttp/promises/src/functions_include.phpnu „[µü¤        PK       �ˆU]lˆ±  ±  5            E vendor/guzzlehttp/promises/src/TaskQueueInterface.phpnu „[µü¤        PK       �ˆU]�ÅRE "   "  (            [ vendor/guzzlehttp/promises/src/Utils.phpnu „[µü¤        PK       �ˆU]c°‘]@  @  )            ³9 vendor/guzzlehttp/promises/src/Create.phpnu „[µü¤        PK       �ˆU]’È69·   ·   8            LB vendor/guzzlehttp/promises/src/CancellationException.phpnu „[µü¤        PK        ˆU]âüƒ�'  �'  ,            kC vendor/guzzlehttp/promises/src/functions.phpnu „[µü¤        PK        ˆU]‚t©&Ç  Ç  3            Wk vendor/guzzlehttp/promises/src/FulfilledPromise.phpnu „[µü¤        PK        ˆU]R‚ $Q  Q  .            �s vendor/guzzlehttp/promises/src/EachPromise.phpnu „[µü¤        PK        ˆU]¯ŽÅÍ”  ”  ,            0“ vendor/guzzlehttp/promises/src/TaskQueue.phpnu „[µü¤        PK        ˆU]zæHyô   ô   4             › vendor/guzzlehttp/promises/src/PromisorInterface.phpnu „[µü¤        PK       ¡ˆU]³ß‡`G  G  '            xœ vendor/guzzlehttp/promises/src/Each.phpnu „[µü¤        PK       ¡ˆU]èÙ>Šì  ì  2            ¨ vendor/guzzlehttp/promises/src/RejectedPromise.phpnu „[µü¤        PK       ¡ˆU](KÓê|  |  5            d± vendor/guzzlehttp/promises/src/AggregateException.phpnu „[µü¤        PK       ¡ˆU]êA®ð"  ð"  *            E³ vendor/guzzlehttp/promises/src/Promise.phpnu „[µü¤        PK       ¢ˆU]éCÅMú  ú  ,            �Ö vendor/guzzlehttp/promises/src/Coroutine.phpnu „[µü¤        PK       ¢ˆU]^àpLz  z              åç vendor/guzzlehttp/psr7/LICENSEnu „[µü¤        PK       ¢ˆU]Ê€¶@  @  #            ­í vendor/guzzlehttp/psr7/.php_cs.distnu „[µü¤        PK       £ˆU]PØSr|&  |&  ,            @ö vendor/guzzlehttp/psr7/src/ServerRequest.phpnu „[µü¤        PK       £ˆU]LwE±š  š  %             vendor/guzzlehttp/psr7/src/Stream.phpnu „[µü¤        PK       £ˆU]÷¼£„  „  -            8 vendor/guzzlehttp/psr7/src/LazyOpenStream.phpnu „[µü¤        PK       £ˆU]º'    +            è; vendor/guzzlehttp/psr7/src/BufferStream.phpnu „[µü¤        PK       £ˆU]�ë¢Ûb  b  ,            JH vendor/guzzlehttp/psr7/src/CachingStream.phpnu „[µü¤        PK       £ˆU]5},Äõ  õ  '            Z vendor/guzzlehttp/psr7/src/MimeType.phpnu „[µü¤        PK       £ˆU]ŸGWÉ  É  '            Tn vendor/guzzlehttp/psr7/src/Response.phpnu „[µü¤        PK       £ˆU]ÓH´½œ   œ   0            t� vendor/guzzlehttp/psr7/src/functions_include.phpnu „[µü¤        PK       £ˆU]ëPnô  ô  )            p‚ vendor/guzzlehttp/psr7/src/PumpStream.phpnu „[µü¤        PK       £ˆU]®žÞ	�  �  *            ½’ vendor/guzzlehttp/psr7/src/LimitStream.phpnu „[µü¤        PK       £ˆU]'Jk@Q9  Q9  $            ˜£ vendor/guzzlehttp/psr7/src/Utils.phpnu „[µü¤        PK       ¤ˆU]	<é#a4  a4  (            =Ý vendor/guzzlehttp/psr7/src/functions.phpnu „[µü¤        PK       ¤ˆU]]�÷)¡  ¡  .            ö vendor/guzzlehttp/psr7/src/MultipartStream.phpnu „[µü¤        PK       ¤ˆU]¼X?xU"  U"  *            õ$ vendor/guzzlehttp/psr7/src/UriResolver.phpnu „[µü¤        PK       ¤ˆU]þDië‹   ‹   ,            ¤G vendor/guzzlehttp/psr7/src/UriNormalizer.phpnu „[µü¤        PK       ¤ˆU]†Ùdv  v  '            ‹h vendor/guzzlehttp/psr7/src/FnStream.phpnu „[µü¤        PK       ¤ˆU]ØÂßV[  [  +            Xx vendor/guzzlehttp/psr7/src/UploadedFile.phpnu „[µü¤        PK       ¤ˆU]ƒ»ÐT   T   &            — vendor/guzzlehttp/psr7/src/Message.phpnu „[µü¤        PK       ¤ˆU]ÆoDIÛ  Û  3            ¸· vendor/guzzlehttp/psr7/src/StreamDecoratorTrait.phpnu „[µü¤        PK       ¤ˆU]’†[‘Ã  Ã  ,            öÄ vendor/guzzlehttp/psr7/src/StreamWrapper.phpnu „[µü¤        PK       ¤ˆU]îà+`³  ³  &            Ô vendor/guzzlehttp/psr7/src/Rfc7230.phpnu „[µü¤        PK       ¤ˆU]ÆŸüóF  F  -            × vendor/guzzlehttp/psr7/src/DroppingStream.phpnu „[µü¤        PK       ¤ˆU]‡9¯0‡  ‡  &            ÁÛ vendor/guzzlehttp/psr7/src/Request.phpnu „[µü¤        PK       ¤ˆU]å¼ˆ  ˆ  +            žê vendor/guzzlehttp/psr7/src/AppendStream.phpnu „[µü¤        PK       ¥ˆU]®¨Y·  ·  +            � vendor/guzzlehttp/psr7/src/NoSeekStream.phpnu „[µü¤        PK       ¥ˆU]ÌçÈú‚  ‚  %            “ vendor/guzzlehttp/psr7/src/Header.phpnu „[µü¤        PK       ¥ˆU]Žºì•rY  rY  "            j vendor/guzzlehttp/psr7/src/Uri.phpnu „[µü¤        PK       ¥ˆU]‡ÙÝ,5  5  ,            .f vendor/guzzlehttp/psr7/src/InflateStream.phpnu „[µü¤        PK       ¥ˆU]N´¢  ¢  $            ¿m vendor/guzzlehttp/psr7/src/Query.phpnu „[µü¤        PK       ¥ˆU]MâÈ  È  +            µ{ vendor/guzzlehttp/psr7/src/MessageTrait.phpnu „[µü¤        PK       ¥ˆU]ü´E�N,  N,              Øš vendor/google/auth/COPYINGnu „[µü¤        PK       ¥ˆU]Ë#¬s(  (              pÇ vendor/google/auth/LICENSEnu „[µü¤        PK       ¦ˆU]KñK¾[  [              Êï vendor/google/auth/autoload.phpnu „[µü¤        PK       ¦ˆU]jü_ì   ì   $            tô vendor/google/auth/phpstan.neon.distnu „[µü¤        PK       ¦ˆU]¡R½åO  O              ´õ vendor/google/auth/src/Iam.phpnu „[µü¤        PK       ¦ˆU]W•(ƒÂ  Â  5            Q	 vendor/google/auth/src/ProjectIdProviderInterface.phpnu „[µü¤        PK       ¦ˆU]´žHÒ6  6  4            x	 vendor/google/auth/src/ServiceAccountSignerTrait.phpnu „[µü¤        PK       ¦ˆU]Ãšf@³  ³  3            	 vendor/google/auth/src/GetQuotaProjectInterface.phpnu „[µü¤        PK       ¦ˆU]¼×xs%  %  6            (	 vendor/google/auth/src/Middleware/SimpleMiddleware.phpnu „[µü¤        PK       ¦ˆU]ÁÇSSK  K  9            ³	 vendor/google/auth/src/Middleware/AuthTokenMiddleware.phpnu „[µü¤        PK       ¦ˆU]•T‰  ‰  >            g0	 vendor/google/auth/src/Middleware/ProxyAuthTokenMiddleware.phpnu „[µü¤        PK       ¦ˆU]×á¼c  c  A            ^C	 vendor/google/auth/src/Middleware/ScopedAccessTokenMiddleware.phpnu „[µü¤        PK       ¦ˆU]Â–�÷!  ÷!  .            2W	 vendor/google/auth/src/FetchAuthTokenCache.phpnu „[µü¤        PK       ¦ˆU]í(ÿW1
  1
  %            ‡y	 vendor/google/auth/src/CacheTrait.phpnu „[µü¤        PK       §ˆU]ø…b4%  %  ,            „	 vendor/google/auth/src/CredentialsLoader.phpnu „[µü¤        PK       §ˆU]ÌpfZ9	  9	  #            ƒ©	 vendor/google/auth/src/GCECache.phpnu „[µü¤        PK       §ˆU]R`éx    9            ³	 vendor/google/auth/src/HttpHandler/HttpHandlerFactory.phpnu „[µü¤        PK       §ˆU]¬gÀÿò  ò  9            zº	 vendor/google/auth/src/HttpHandler/Guzzle6HttpHandler.phpnu „[µü¤        PK       §ˆU]3<¹"  "  9            ÕÁ	 vendor/google/auth/src/HttpHandler/Guzzle5HttpHandler.phpnu „[µü¤        PK       §ˆU]ªyð/O  O  6            `Ñ	 vendor/google/auth/src/HttpHandler/HttpClientCache.phpnu „[µü¤        PK       §ˆU]�ò“¶  ¶  9            ×	 vendor/google/auth/src/HttpHandler/Guzzle7HttpHandler.phpnu „[µü¤        PK       ¨ˆU]/º+uû  û  ,            4Ú	 vendor/google/auth/src/SignBlobInterface.phpnu „[µü¤        PK       ¨ˆU]#©Ù¬	*  	*  @            ‹à	 vendor/google/auth/src/Credentials/ServiceAccountCredentials.phpnu „[µü¤        PK       ¨ˆU]¹/¤ÝÎ@  Î@  5            
 vendor/google/auth/src/Credentials/GCECredentials.phpnu „[µü¤        PK       ¨ˆU]ÝóGÛ¡  ¡  =            7L
 vendor/google/auth/src/Credentials/UserRefreshCredentials.phpnu „[µü¤        PK       ¨ˆU]•·1/  /  :            E]
 vendor/google/auth/src/Credentials/InsecureCredentials.phpnu „[µü¤        PK       ©ˆU]wjçàÌ	  Ì	  5            Þd
 vendor/google/auth/src/Credentials/IAMCredentials.phpnu „[µü¤        PK       ©ˆU]ŠÅÏ[  [  I            o
 vendor/google/auth/src/Credentials/ServiceAccountJwtAccessCredentials.phpnu „[µü¤        PK       ©ˆU]—BT¹r  r  =            ã‡
 vendor/google/auth/src/Credentials/AppIdentityCredentials.phpnu „[µü¤        PK       ©ˆU]ÝÙÊ¬H4  H4  8            Â£
 vendor/google/auth/src/ApplicationDefaultCredentials.phpnu „[µü¤        PK       ©ˆU]$Íèæ&E  &E  &            rØ
 vendor/google/auth/src/AccessToken.phpnu „[µü¤        PK       ©ˆU]ñDƒ  ƒ  2            î vendor/google/auth/src/FetchAuthTokenInterface.phpnu „[µü¤        PK       ©ˆU]Ú¯©~zŸ  zŸ  !            Ó$ vendor/google/auth/src/OAuth2.phpnu „[µü¤        PK       ªˆU]˜þÁŽ¹  ¹  4            žÄ vendor/google/auth/src/Cache/MemoryCacheItemPool.phpnu „[µü¤        PK       ªˆU]B$sÂ'  '  *            »Ö vendor/google/auth/src/Cache/TypedItem.phpnu „[µü¤        PK       ªˆU]Œs˜,  ,  9            <æ vendor/google/auth/src/Cache/InvalidArgumentException.phpnu „[µü¤        PK       ªˆU]Õ5·jÊ  Ê  2            Ñé vendor/google/auth/src/Cache/SysVCacheItemPool.phpnu „[µü¤        PK       ªˆU]°mpLE  E  %            ý vendor/google/auth/src/Cache/Item.phpnu „[µü¤        PK       ªˆU]ØêVrÝ  Ý  2            — vendor/google/auth/src/UpdateMetadataInterface.phpnu „[µü¤        PK       ªˆU]Ë#¬s(  (              Ö vendor/google/apiclient/LICENSEnu „[µü¤        PK       ªˆU]ùÕ„U“   “   )            5? vendor/google/apiclient/phpstan.neon.distnu „[µü¤        PK       ªˆU]ãaÄÐ%  Ð%  2            !@ vendor/google/apiclient/src/AccessToken/Verify.phpnu „[µü¤        PK       ªˆU]U,qö(	  (	  2            Sf vendor/google/apiclient/src/AccessToken/Revoke.phpnu „[µü¤        PK       ªˆU]
€ì    >            Ýo vendor/google/apiclient/src/AuthHandler/Guzzle6AuthHandler.phpnu „[µü¤        PK       «ˆU]ÅýYÔ  Ô  >            g} vendor/google/apiclient/src/AuthHandler/Guzzle7AuthHandler.phpnu „[µü¤        PK       «ˆU]‡
½å  å  >            ©€ vendor/google/apiclient/src/AuthHandler/Guzzle5AuthHandler.phpnu „[µü¤        PK       «ˆU]'
TÅç  ç  >            üŒ vendor/google/apiclient/src/AuthHandler/AuthHandlerFactory.phpnu „[µü¤        PK       «ˆU]SØWh¸  ¸  )            Q” vendor/google/apiclient/src/Exception.phpnu „[µü¤        PK       «ˆU]íl    *            b— vendor/google/apiclient/src/Collection.phpnu „[µü¤        PK       «ˆU]¤<ËÜò*  ò*  1            Ç£ vendor/google/apiclient/src/Utils/UriTemplate.phpnu „[µü¤        PK       «ˆU]SÐêÅ      +            Ï vendor/google/apiclient/src/Task/Runner.phpnu „[µü¤        PK       «ˆU]|cB(È  È  .            ’ï vendor/google/apiclient/src/Task/Exception.phpnu „[µü¤        PK       «ˆU]]:½	½  ½  -            ¸ò vendor/google/apiclient/src/Task/Composer.phpnu „[µü¤        PK       «ˆU]ÒþFàï  ï  .            Ò vendor/google/apiclient/src/Task/Retryable.phpnu „[µü¤        PK       «ˆU]§³ÄÎ'  Î'  %             vendor/google/apiclient/src/Model.phpnu „[µü¤        PK       «ˆU]Í=³  ³  1            B- vendor/google/apiclient/src/Service/Exception.phpnu „[µü¤        PK       «ˆU]]¤�nÑ+  Ñ+  0            V5 vendor/google/apiclient/src/Service/Resource.phpnu „[µü¤        PK       «ˆU] ùáøý  ý  '            ‡a vendor/google/apiclient/src/aliases.phpnu „[µü¤        PK       «ˆU]ƒ*þ"©   ©   &            Ûn vendor/google/apiclient/src/Client.phpnu „[µü¤        PK       ¬ˆU]‰ñzAD  D  '            Ú vendor/google/apiclient/src/Service.phpnu „[µü¤        PK       ¬ˆU]0=õy'  y'  4            u vendor/google/apiclient/src/Http/MediaFileUpload.phpnu „[µü¤        PK       ¬ˆU]»ÙÊã®  ®  )            R? vendor/google/apiclient/src/Http/REST.phpnu „[µü¤        PK       ¬ˆU]ÆaøW  W  *            YX vendor/google/apiclient/src/Http/Batch.phpnu „[µü¤        PK       ¬ˆU]}.[   [   .            
x vendor/google/apiclient-services/renovate.jsonnu „[µü¤        PK       ¬ˆU]Ë#¬s(  (  (            Ãx vendor/google/apiclient-services/LICENSEnu „[µü¤        PK       ¬ˆU]^x>G!  !  -            +¡ vendor/google/apiclient-services/autoload.phpnu „[µü¤        PK       ¬ˆU]§ Â”.
  .
  1            ©¦ vendor/google/apiclient-services/src/Indexing.phpnu „[µü¤        PK       ¬ˆU]wã„b  b  P            8± vendor/google/apiclient-services/src/Indexing/PublishUrlNotificationResponse.phpnu „[µü¤        PK       ¬ˆU]Êþ'¯'  '  I            · vendor/google/apiclient-services/src/Indexing/UrlNotificationMetadata.phpnu „[µü¤        PK       ¬ˆU]];cU/  /  A            º¾ vendor/google/apiclient-services/src/Indexing/UrlNotification.phpnu „[µü¤        PK       ¬ˆU]¢¡‰=	  =	  K            ZÅ vendor/google/apiclient-services/src/Indexing/Resource/UrlNotifications.phpnu „[µü¤        PK       ¬ˆU]|Œ[ñe	  e	  3            Ï vendor/paragonie/constant_time_encoding/LICENSE.txtnu „[µü¤        PK       ¬ˆU]'è‘½Ù"  Ù"  6            ÚØ vendor/paragonie/constant_time_encoding/src/Base64.phpnu „[µü¤        PK       ­ˆU]_—ßÓ1  1  3            ü vendor/paragonie/constant_time_encoding/src/Hex.phpnu „[µü¤        PK       ­ˆU]á¯qÚ~  ~  8            ­ vendor/paragonie/constant_time_encoding/src/Encoding.phpnu „[µü¤        PK       ­ˆU]¿øõÀ  À  @            “( vendor/paragonie/constant_time_encoding/src/EncoderInterface.phpnu „[µü¤        PK       ­ˆU]›ûìß  ß  >            Ã0 vendor/paragonie/constant_time_encoding/src/Base64DotSlash.phpnu „[µü¤        PK       ­ˆU]¨²~À�
  �
  6            = vendor/paragonie/constant_time_encoding/src/Binary.phpnu „[µü¤        PK       ®ˆU]¤õß)œ  œ  =            H vendor/paragonie/constant_time_encoding/src/Base64UrlSafe.phpnu „[µü¤        PK       ®ˆU]ÂÅð:Ò>  Ò>  6            U vendor/paragonie/constant_time_encoding/src/Base32.phpnu „[µü¤        PK       ®ˆU]nÊ)Ž  Ž  7            G” vendor/paragonie/constant_time_encoding/src/RFC4648.phpnu „[µü¤        PK       ®ˆU]ï)ädY  Y  9            <¥ vendor/paragonie/constant_time_encoding/src/Base32Hex.phpnu „[µü¤        PK       ®ˆU]T* Bà
  à
  E            þ² vendor/paragonie/constant_time_encoding/src/Base64DotSlashOrdered.phpnu „[µü¤        PK       ®ˆU]>®î J  J  &            S¾ vendor/paragonie/random_compat/LICENSEnu „[µü¤        PK       ®ˆU]·Šç   ç   1            óÂ vendor/paragonie/random_compat/psalm-autoload.phpnu „[µü¤        PK       ®ˆU]D¨‰·T  T  (            ;Ä vendor/paragonie/random_compat/psalm.xmlnu „[µü¤        PK       ®ˆU]ëk}4a  a  3            çÆ vendor/paragonie/random_compat/other/build_phar.phpnu „[µü¤        PK       ¯ˆU]t8Q†   †   ,            «Í vendor/paragonie/random_compat/build-phar.shnu „[µü¤        PK       ¯ˆU]*A|ê×   ×   =            �Î vendor/paragonie/random_compat/dist/random_compat.phar.pubkeynu „[µü¤        PK       ¯ˆU]Ù¡i²è  è  A            ÑÏ vendor/paragonie/random_compat/dist/random_compat.phar.pubkey.ascnu „[µü¤        PK       ¯ˆU]í¿&¾/  /  -            *Ò vendor/paragonie/random_compat/lib/random.phpnu „[µü¤        PK       ¯ˆU]òôõ'  '              ¶× vendor/monolog/monolog/LICENSEnu „[µü¤        PK       ¯ˆU]üGì  ì  :            +Ü vendor/monolog/monolog/src/Monolog/ResettableInterface.phpnu „[µü¤        PK       °ˆU]ÆÕÄØÞ  Þ  4            �à vendor/monolog/monolog/src/Monolog/SignalHandler.phpnu „[µü¤        PK       °ˆU]öâ>ë(  ë(  3            Ãð vendor/monolog/monolog/src/Monolog/ErrorHandler.phpnu „[µü¤        PK       °ˆU]áŠ€x  x  B             vendor/monolog/monolog/src/Monolog/Handler/SyslogUdp/UdpSocket.phpnu „[µü¤        PK       °ˆU]¿'è(  è(  @            û" vendor/monolog/monolog/src/Monolog/Handler/PHPConsoleHandler.phpnu „[µü¤        PK       °ˆU]îÛ6öØ  Ø  ?            SL vendor/monolog/monolog/src/Monolog/Handler/HandlerInterface.phpnu „[µü¤        PK       °ˆU]§Y,„T  T  =            šX vendor/monolog/monolog/src/Monolog/Handler/RollbarHandler.phpnu „[µü¤        PK       °ˆU]HÄÁ7©	  ©	  >            [f vendor/monolog/monolog/src/Monolog/Handler/MandrillHandler.phpnu „[µü¤        PK       °ˆU]$sM¢7  7  >            rp vendor/monolog/monolog/src/Monolog/Handler/SendGridHandler.phpnu „[µü¤        PK       ±ˆU]+¨ÿ±!  !  D            | vendor/monolog/monolog/src/Monolog/Handler/FingersCrossedHandler.phpnu „[µü¤        PK       ±ˆU]�8
rU  U  A             � vendor/monolog/monolog/src/Monolog/Handler/SwiftMailerHandler.phpnu „[µü¤        PK       ±ˆU]Bé­M  M  J            f¬ vendor/monolog/monolog/src/Monolog/Handler/FormattableHandlerInterface.phpnu „[µü¤        PK       ±ˆU]@_©™²	  ²	  >            -° vendor/monolog/monolog/src/Monolog/Handler/DynamoDbHandler.phpnu „[µü¤        PK       ±ˆU]Ü©�œ
  œ
  >            Mº vendor/monolog/monolog/src/Monolog/Handler/LogmaticHandler.phpnu „[µü¤        PK       ±ˆU]5?6îÔ  Ô  D            WÅ vendor/monolog/monolog/src/Monolog/Handler/AbstractSyslogHandler.phpnu „[µü¤        PK       ±ˆU]>£²$  $  <            ŸÓ vendor/monolog/monolog/src/Monolog/Handler/BufferHandler.phpnu „[µü¤        PK       ±ˆU]‘ág…  …  @            /æ vendor/monolog/monolog/src/Monolog/Handler/LogEntriesHandler.phpnu „[µü¤        PK       ±ˆU]Vð„âá  á  C            $î vendor/monolog/monolog/src/Monolog/Handler/FallbackGroupHandler.phpnu „[µü¤        PK       ±ˆU]Šyöì    H            xõ vendor/monolog/monolog/src/Monolog/Handler/WebRequestRecognizerTrait.phpnu „[µü¤        PK       ²ˆU]´Yu_m  m  ?            ü÷ vendor/monolog/monolog/src/Monolog/Handler/ChromePHPHandler.phpnu „[µü¤        PK       ²ˆU]ŠrE•s  s  <            Ø vendor/monolog/monolog/src/Monolog/Handler/SyslogHandler.phpnu „[µü¤        PK       ²ˆU]–º>á¢  ¢  ;            · vendor/monolog/monolog/src/Monolog/Handler/GroupHandler.phpnu „[µü¤        PK       ²ˆU]qäOÅV  V  B            Ä! vendor/monolog/monolog/src/Monolog/Handler/RotatingFileHandler.phpnu „[µü¤        PK       ³ˆU]fºTo  o  C            Œ: vendor/monolog/monolog/src/Monolog/Handler/ElasticSearchHandler.phpnu „[µü¤        PK       ³ˆU]¸ø_[	  	  ?            nT vendor/monolog/monolog/src/Monolog/Handler/FleepHookHandler.phpnu „[µü¤        PK       ³ˆU]¡ˆmŠz  z  H            æb vendor/monolog/monolog/src/Monolog/Handler/AbstractProcessingHandler.phpnu „[µü¤        PK       ³ˆU]$ËÔp¿)  ¿)  @            Øj vendor/monolog/monolog/src/Monolog/Handler/Slack/SlackRecord.phpnu „[µü¤        PK       ³ˆU]‰­ºŽl  l  ;            • vendor/monolog/monolog/src/Monolog/Handler/SlackHandler.phpnu „[µü¤        PK       ´ˆU]åwÛÓ‡  ‡  ;            Þ° vendor/monolog/monolog/src/Monolog/Handler/IFTTTHandler.phpnu „[µü¤        PK       ´ˆU]Ï+š      >            Ð¹ vendor/monolog/monolog/src/Monolog/Handler/ElasticaHandler.phpnu „[µü¤        PK       ´ˆU]�ÌZ™É  É  F            >Ç vendor/monolog/monolog/src/Monolog/Handler/ProcessableHandlerTrait.phpnu „[µü¤        PK       ´ˆU]#¶Ï  Ï  <            }Î vendor/monolog/monolog/src/Monolog/Handler/FilterHandler.phpnu „[µü¤        PK       µˆU]Ðe'Ã    6            ¸é vendor/monolog/monolog/src/Monolog/Handler/Handler.phpnu „[µü¤        PK       µˆU]Všb_  _  =            #î vendor/monolog/monolog/src/Monolog/Handler/ProcessHandler.phpnu „[µü¤        PK       µˆU]_9çw  w  :            ï vendor/monolog/monolog/src/Monolog/Handler/GelfHandler.phpnu „[µü¤        PK       ¶ˆU]¯”h©p  p  :            Ð vendor/monolog/monolog/src/Monolog/Handler/NoopHandler.phpnu „[µü¤        PK       ¶ˆU]Òè•®Í  Í  C            ª vendor/monolog/monolog/src/Monolog/Handler/SymfonyMailerHandler.phpnu „[µü¤        PK       ·ˆU]ô¢:  :  @            ê vendor/monolog/monolog/src/Monolog/Handler/InsightOpsHandler.phpnu „[µü¤        PK       ·ˆU]^wn#k  k  B            ”# vendor/monolog/monolog/src/Monolog/Handler/NativeMailerHandler.phpnu „[µü¤        PK       ·ˆU]ë†C¬  ¬  ;            q7 vendor/monolog/monolog/src/Monolog/Handler/RedisHandler.phpnu „[µü¤        PK       ·ˆU]·C®Þ    =            ˆC vendor/monolog/monolog/src/Monolog/Handler/HandlerWrapper.phpnu „[µü¤        PK       ¸ˆU]y:0®­  ­  J            Q vendor/monolog/monolog/src/Monolog/Handler/ProcessableHandlerInterface.phpnu „[µü¤        PK       ¸ˆU]MŒ®»7  7  =            :V vendor/monolog/monolog/src/Monolog/Handler/CouchDBHandler.phpnu „[µü¤        PK       ¸ˆU]€×[
  [
  >            Þ^ vendor/monolog/monolog/src/Monolog/Handler/AbstractHandler.phpnu „[µü¤        PK       ¹ˆU]ôbó^  ^  :            §i vendor/monolog/monolog/src/Monolog/Handler/TestHandler.phpnu „[µü¤        PK       ¹ˆU]!¶¹Ò  Ò  9            o„ vendor/monolog/monolog/src/Monolog/Handler/SqsHandler.phpnu „[µü¤        PK       ºˆU]›šÆæ¥  ¥  :            ª‹ vendor/monolog/monolog/src/Monolog/Handler/CubeHandler.phpnu „[µü¤        PK       »ˆU]ÆÒÞÙ  Ù  H            ¹  vendor/monolog/monolog/src/Monolog/Handler/MissingExtensionException.phpnu „[µü¤        PK       ¼ˆU]¦@vò  ò  >            
£ vendor/monolog/monolog/src/Monolog/Handler/SamplingHandler.phpnu „[µü¤        PK       ½ˆU]�Ik‚9  9  :            j´ vendor/monolog/monolog/src/Monolog/Handler/NullHandler.phpnu „[µü¤        PK       ÀˆU]H·ç‘  ‘  ?            º vendor/monolog/monolog/src/Monolog/Handler/SyslogUdpHandler.phpnu „[µü¤        PK       ÀˆU]£=h  h  E            Ì vendor/monolog/monolog/src/Monolog/Handler/DoctrineCouchDBHandler.phpnu „[µü¤        PK       ÀˆU]ÄF    <            êÐ vendor/monolog/monolog/src/Monolog/Handler/LogglyHandler.phpnu „[µü¤        PK       ÀˆU]¼Ôé¯g  g  8            Xá vendor/monolog/monolog/src/Monolog/Handler/Curl/Util.phpnu „[µü¤        PK       ÀˆU]å÷¨  ¨  =            'é vendor/monolog/monolog/src/Monolog/Handler/FirePHPHandler.phpnu „[µü¤        PK       ÀˆU]ø–CŠñ	  ñ	  =            <þ vendor/monolog/monolog/src/Monolog/Handler/MongoDBHandler.phpnu „[µü¤        PK       ÀˆU]ÃDÉü  ü  A            š vendor/monolog/monolog/src/Monolog/Handler/RedisPubSubHandler.phpnu „[µü¤        PK       ÀˆU]RýC  C  >             vendor/monolog/monolog/src/Monolog/Handler/NewRelicHandler.phpnu „[µü¤        PK       ÁˆU]`•Ç<S  S  B            ¸( vendor/monolog/monolog/src/Monolog/Handler/SlackWebhookHandler.phpnu „[µü¤        PK       ÁˆU]Ê{Â”•  •  >            }8 vendor/monolog/monolog/src/Monolog/Handler/PushoverHandler.phpnu „[µü¤        PK       ÁˆU]r!ûlˆ	  ˆ	  9            €X vendor/monolog/monolog/src/Monolog/Handler/PsrHandler.phpnu „[µü¤        PK       ÁˆU]¬™¾  ¾  >            qb vendor/monolog/monolog/src/Monolog/Handler/FlowdockHandler.phpnu „[µü¤        PK       ÁˆU]qíÔá	  	  <            �p vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.phpnu „[µü¤        PK       ÁˆU]•Nd  d  :            Œ vendor/monolog/monolog/src/Monolog/Handler/AmqpHandler.phpnu „[µü¤        PK       ÁˆU]4ÆŒLÞ   Þ   A            à› vendor/monolog/monolog/src/Monolog/Handler/TelegramBotHandler.phpnu „[µü¤        PK       ÁˆU]?Ýp#û/  û/  <            /½ vendor/monolog/monolog/src/Monolog/Handler/SocketHandler.phpnu „[µü¤        PK       ÂˆU]Ç=ÚA  A  A            –í vendor/monolog/monolog/src/Monolog/Handler/ZendMonitorHandler.phpnu „[µü¤        PK       ÂˆU]Ÿç­
  
  >            Hú vendor/monolog/monolog/src/Monolog/Handler/ErrorLogHandler.phpnu „[µü¤        PK       ÂˆU]èœV…  …  F            Ñ vendor/monolog/monolog/src/Monolog/Handler/WhatFailureGroupHandler.phpnu „[µü¤        PK       ÂˆU]€y`‡    F            Ì vendor/monolog/monolog/src/Monolog/Handler/FormattableHandlerTrait.phpnu „[µü¤        PK       ÂˆU]ôwíw%	  %	  :            C vendor/monolog/monolog/src/Monolog/Handler/MailHandler.phpnu „[µü¤        PK       ÂˆU]Óf&ïœ	  œ	  \            Ò vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ChannelLevelActivationStrategy.phpnu „[µü¤        PK       ÂˆU]0‹CÐ  Ð  Y            ú$ vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ActivationStrategyInterface.phpnu „[µü¤        PK       ÂˆU]—D?N  N  Z            S( vendor/monolog/monolog/src/Monolog/Handler/FingersCrossed/ErrorLevelActivationStrategy.phpnu „[µü¤        PK       ÂˆU]'dxÊ##  ##  D            +- vendor/monolog/monolog/src/Monolog/Handler/BrowserConsoleHandler.phpnu „[µü¤        PK       ÂˆU]Di$h¯  ¯  C            ÂP vendor/monolog/monolog/src/Monolog/Handler/DeduplicationHandler.phpnu „[µü¤        PK       ÂˆU]c”Réµ  µ  >            äh vendor/monolog/monolog/src/Monolog/Handler/OverflowHandler.phpnu „[µü¤        PK       ÃˆU]ÕÄ´Æ  Æ  4            { vendor/monolog/monolog/src/Monolog/Test/TestCase.phpnu „[µü¤        PK       ÃˆU]VE
ä$  ä$  ,            1„ vendor/monolog/monolog/src/Monolog/Utils.phpnu „[µü¤        PK       ÃˆU]T†Š×  ×  0            q© vendor/monolog/monolog/src/Monolog/LogRecord.phpnu „[µü¤        PK       ÃˆU]	bét¢  ¢  /            ¨­ vendor/monolog/monolog/src/Monolog/Registry.phpnu „[µü¤        PK       ÃˆU]Çx\Ë•  •  =            ©½ vendor/monolog/monolog/src/Monolog/Processor/GitProcessor.phpnu „[µü¤        PK       ÃˆU]
.f    G            «Å vendor/monolog/monolog/src/Monolog/Processor/IntrospectionProcessor.phpnu „[µü¤        PK       ÃˆU]£‘¦½_  _  C            >Õ vendor/monolog/monolog/src/Monolog/Processor/ProcessIdProcessor.phpnu „[µü¤        PK       ÃˆU])¨žÆ1  1  E            Ø vendor/monolog/monolog/src/Monolog/Processor/MemoryUsageProcessor.phpnu „[µü¤        PK       ÃˆU]Y^ò‰¢  ¢  C            ¶Û vendor/monolog/monolog/src/Monolog/Processor/ProcessorInterface.phpnu „[µü¤        PK       ÄˆU]æaß#  #  @            ËÞ vendor/monolog/monolog/src/Monolog/Processor/MemoryProcessor.phpnu „[µü¤        PK       ÄˆU]jÎ:Î  Î  =            ^æ vendor/monolog/monolog/src/Monolog/Processor/WebProcessor.phpnu „[µü¤        PK       ÄˆU]�ë„åD  D  I            ™ô vendor/monolog/monolog/src/Monolog/Processor/MemoryPeakUsageProcessor.phpnu „[µü¤        PK       ÄˆU]^ÉŒTF  F  G            Vø vendor/monolog/monolog/src/Monolog/Processor/PsrLogMessageProcessor.phpnu „[µü¤        PK       ÄˆU]a—âÔ  Ô  B             vendor/monolog/monolog/src/Monolog/Processor/HostnameProcessor.phpnu „[µü¤        PK       ÄˆU]{ÏÊåb  b  =            Y vendor/monolog/monolog/src/Monolog/Processor/TagProcessor.phpnu „[µü¤        PK       ÄˆU]÷Öx×    =            ( vendor/monolog/monolog/src/Monolog/Processor/UidProcessor.phpnu „[µü¤        PK       ÄˆU]:ÇDCh  h  C            ® vendor/monolog/monolog/src/Monolog/Processor/MercurialProcessor.phpnu „[µü¤        PK       ÄˆU]ªšÜÆE  E  G            ‰ vendor/monolog/monolog/src/Monolog/Formatter/ElasticsearchFormatter.phpnu „[µü¤        PK       ÄˆU]øóõJ  J  B            E! vendor/monolog/monolog/src/Monolog/Formatter/LogstashFormatter.phpnu „[µü¤        PK       ÅˆU]æÜæÍ	  Í	  B            / vendor/monolog/monolog/src/Monolog/Formatter/FlowdockFormatter.phpnu „[µü¤        PK       ÅˆU]Õ¼H
  
  >            @9 vendor/monolog/monolog/src/Monolog/Formatter/LineFormatter.phpnu „[µü¤        PK       ÅˆU]ó](M`  `  C            ¸U vendor/monolog/monolog/src/Monolog/Formatter/ChromePHPFormatter.phpnu „[µü¤        PK       ÅˆU]EÝ�§È  È  D            ‹^ vendor/monolog/monolog/src/Monolog/Formatter/NormalizerFormatter.phpnu „[µü¤        PK       ÅˆU]Aª'ýE  E  E            Ç} vendor/monolog/monolog/src/Monolog/Formatter/GelfMessageFormatter.phpnu „[µü¤        PK       ÅˆU]•�qRÌ  Ì  B            �’ vendor/monolog/monolog/src/Monolog/Formatter/LogmaticFormatter.phpnu „[µü¤        PK       ÆˆU]¡Ø‘    @            ¿˜ vendor/monolog/monolog/src/Monolog/Formatter/LogglyFormatter.phpnu „[µü¤        PK       ÆˆU]&	‰ª¡  ¡  >            Hž vendor/monolog/monolog/src/Monolog/Formatter/HtmlFormatter.phpnu „[µü¤        PK       ÆˆU]13­ca  a  B            W° vendor/monolog/monolog/src/Monolog/Formatter/WildfireFormatter.phpnu „[µü¤        PK       ÆˆU]F‚¸éˆ  ˆ  @            *À vendor/monolog/monolog/src/Monolog/Formatter/ScalarFormatter.phpnu „[µü¤        PK       ÆˆU]ùÕ1e    B            "Å vendor/monolog/monolog/src/Monolog/Formatter/ElasticaFormatter.phpnu „[µü¤        PK       ÆˆU]¯Öël  l  A            ¬Í vendor/monolog/monolog/src/Monolog/Formatter/MongoDBFormatter.phpnu „[µü¤        PK       ÆˆU]iŠøSD  D  >            ‰á vendor/monolog/monolog/src/Monolog/Formatter/JsonFormatter.phpnu „[µü¤        PK       ÆˆU]½ÏX£°  °  A            ;ø vendor/monolog/monolog/src/Monolog/Formatter/FluentdFormatter.phpnu „[µü¤        PK       ÆˆU]4ÁÖz¾  ¾  C            \ vendor/monolog/monolog/src/Monolog/Formatter/FormatterInterface.phpnu „[µü¤        PK       ÆˆU]vˆ$=  =  8            � vendor/monolog/monolog/src/Monolog/DateTimeImmutable.phpnu „[µü¤        PK       ÇˆU]¯Š(Õù  ù  C            2
 vendor/monolog/monolog/src/Monolog/Attribute/AsMonologProcessor.phpnu „[µü¤        PK       ÇˆU],ÇõjëK  ëK  -            ž vendor/monolog/monolog/src/Monolog/Logger.phpnu „[µü¤        PK       ÇˆU]Šü…                 æ\ vendor/autoload.phpnu „[µü¤        PK       ÇˆU]åè(@    "            ,` vendor/phpseclib/phpseclib/AUTHORSnu „[µü¤        PK       ÇˆU]s=j¬9  9  "            •a vendor/phpseclib/phpseclib/LICENSEnu „[µü¤        PK       ÇˆU]­K.½0  0  L             f vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedCurveException.phpnu „[µü¤        PK       ÇˆU]–œ=›I  I  Q            Ìh vendor/phpseclib/phpseclib/phpseclib/Exception/NoSupportedAlgorithmsException.phpnu „[µü¤        PK       ÇˆU]•W“ñ5  5  M            –k vendor/phpseclib/phpseclib/phpseclib/Exception/InconsistentSetupException.phpnu „[µü¤        PK       ÇˆU]ð%é    G            Hn vendor/phpseclib/phpseclib/phpseclib/Exception/NoKeyLoadedException.phpnu „[µü¤        PK       ÇˆU]“ñ«§D  D  P            Öp vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedAlgorithmException.phpnu „[µü¤        PK       ÇˆU]²¼q    H            šs vendor/phpseclib/phpseclib/phpseclib/Exception/FileNotFoundException.phpnu „[µü¤        PK       ÇˆU]]8Ql    C            .v vendor/phpseclib/phpseclib/phpseclib/Exception/BadModeException.phpnu „[µü¤        PK       ÇˆU]µlA0  0  L            ¤x vendor/phpseclib/phpseclib/phpseclib/Exception/ConnectionClosedException.phpnu „[µü¤        PK       ÇˆU]£·^0  0  L            P{ vendor/phpseclib/phpseclib/phpseclib/Exception/BadConfigurationException.phpnu „[µü¤        PK       ÈˆU]r@|V5  5  M            ü} vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedFormatException.phpnu „[µü¤        PK       ÈˆU]Pž»!  !  I            ®€ vendor/phpseclib/phpseclib/phpseclib/Exception/BadDecryptionException.phpnu „[µü¤        PK       ÈˆU]TnêD  D  P            Hƒ vendor/phpseclib/phpseclib/phpseclib/Exception/UnsupportedOperationException.phpnu „[µü¤        PK       ÈˆU]à–Ð;5  5  M            † vendor/phpseclib/phpseclib/phpseclib/Exception/InsufficientSetupException.phpnu „[µü¤        PK       ÈˆU]úlÌ+  +  K            ¾ˆ vendor/phpseclib/phpseclib/phpseclib/Exception/UnableToConnectException.phpnu „[µü¤        PK       ÈˆU]wñÐåú2 ú2 2            d‹ vendor/phpseclib/phpseclib/phpseclib/File/X509.phpnu „[µü¤        PK       ÈˆU]¯�yFÁ  Á  :            À¾ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Element.phpnu „[µü¤        PK       ÈˆU]õ“q!˜  ˜  G            ëÂ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralSubtrees.phpnu „[µü¤        PK       ÈˆU]&äéX  X  F            úÅ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyMappings.phpnu „[µü¤        PK       ÈˆU]˜ae[|  |  D            ÈÉ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EDIPartyName.phpnu „[µü¤        PK       ÈˆU]~ÐÔr  r  I            ¸Î vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DistributionPoint.phpnu „[µü¤        PK       ÉˆU]ô0C¬+  +  B            £Ó vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKey.phpnu „[µü¤        PK       ÊˆU]
Äå”  ”  J            @Ö vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_cert_type.phpnu „[µü¤        PK       ËˆU]û$’âˆ  ˆ  H            NÚ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BasicConstraints.phpnu „[µü¤        PK       ÌˆU]W�hP;  ;  A            NÞ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Attribute.phpnu „[µü¤        PK       ÍˆU]Z<ŠÈr  r  <            úá vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Name.phpnu „[µü¤        PK       ÍˆU]5¿t�—  —  I            Øä vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyInformation.phpnu „[µü¤        PK       ÎˆU]X-W0W  W  C            èè vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AnotherName.phpnu „[µü¤        PK       ÏˆU]Õ4  4  E            ²ì vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EncryptedData.phpnu „[µü¤        PK       ÐˆU]Jôø3Ë  Ë  G            [ï vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NameConstraints.phpnu „[µü¤        PK       ÑˆU]Únõ%  %  F            �ó vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectAltName.phpnu „[µü¤        PK       ÓˆU]o{E1¾  ¾  D            8ö vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECParameters.phpnu „[µü¤        PK       ÔˆU]úï=²    ?            jû vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/FieldID.phpnu „[µü¤        PK       ÔˆU]ðJ¢     C            æþ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBES2params.phpnu „[µü¤        PK       ÕˆU]Õ_n    Q            h vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RelativeDistinguishedName.phpnu „[µü¤        PK       ÖˆU]žðÏä  ä  K             vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyQualifierInfo.phpnu „[µü¤        PK       ×ˆU]çÑ]÷ò  ò  F            d
 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKeyInfo.phpnu „[µü¤        PK       ØˆU]wÛÀ�G  G  J            Ì vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TerminalIdentifier.phpnu „[µü¤        PK       ÙˆU](ÅŽfó  ó  M            � vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateKeyUsagePeriod.phpnu „[µü¤        PK       ÙˆU]Õ |7N  N  M            ý vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NumericUserIdentifier.phpnu „[µü¤        PK       ÚˆU]¢Þ?æð  ð  O            È vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EncryptedPrivateKeyInfo.phpnu „[µü¤        PK       ÜˆU]%>ŽEi  i  A            7 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ORAddress.phpnu „[µü¤        PK       ÝˆU]a‰Öàp  p  J              vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Characteristic_two.phpnu „[µü¤        PK       ÝˆU]‹!<€K  K  K            û# vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/HoldInstructionCode.phpnu „[µü¤        PK       àˆU]p×%ì³  ³  O            Á& vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectInfoAccessSyntax.phpnu „[µü¤        PK       áˆU]]2ŸpE  E  I            ó) vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PolicyQualifierId.phpnu „[µü¤        PK       âˆU]1ou�  �  D            ±, vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PersonalName.phpnu „[µü¤        PK       ãˆU]“'ìÞ"  "  ?            ²2 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECPoint.phpnu „[µü¤        PK       äˆU]´&[Õ    >            C5 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CPSuri.phpnu „[µü¤        PK       åˆU]�>´&õ  õ  P            Î7 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AdministrationDomainName.phpnu „[µü¤        PK       åˆU]X˜-)    =            C< vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Curve.phpnu „[µü¤        PK       æˆU]‚kM  M  N            ¿? vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_ca_policy_url.phpnu „[µü¤        PK       çˆU]0Mí.  .  I            ŠB vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateIssuer.phpnu „[µü¤        PK       èˆU]‚©°9  9  E            1E vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeType.phpnu „[µü¤        PK       èˆU]²ú<2  2  H            ßG vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/MaskGenAlgorithm.phpnu „[µü¤        PK       éˆU]XÁÀpC  C  J            ‰J vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RevokedCertificate.phpnu „[µü¤        PK       êˆU]-dCá#  #  A            FN vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Trinomial.phpnu „[µü¤        PK       êˆU]“°{ç  ç  M            ÚP vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKeyAndChallenge.phpnu „[µü¤        PK       êˆU]^),  ,  D            >T vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAPublicKey.phpnu „[µü¤        PK       êˆU]ª)R    P            ÞV vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificationRequestInfo.phpnu „[µü¤        PK       êˆU]Hwß  ß  C            a[ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CountryName.phpnu „[µü¤        PK       êˆU]Å·Ô”:  :  L            ³_ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificationRequest.phpnu „[µü¤        PK       êˆU]$ccg  g  C            ic vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ReasonFlags.phpnu „[µü¤        PK       ëˆU]ð¹õ1  1  K            Cg vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AlgorithmIdentifier.phpnu „[µü¤        PK       ëˆU]äú6    D            ïj vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBEParameter.phpnu „[µü¤        PK       ëˆU]ÿ¶kÂÎ  Î  M            wn vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeTypeAndValue.phpnu „[µü¤        PK       ëˆU]“Ã@¦  ¦  C            Âq vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TBSCertList.phpnu „[µü¤        PK       ëˆU]=Û·²Þ  Þ  O            Ûw vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OrganizationalUnitNames.phpnu „[µü¤        PK       ëˆU]2ëú  ú  F            8{ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralSubtree.phpnu „[µü¤        PK       ëˆU]9ÿ
7œ  œ  I            ¨ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtKeyUsageSyntax.phpnu „[µü¤        PK       ëˆU]·ë à  à  M            ½‚ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DistributionPointName.phpnu „[µü¤        PK       ëˆU]Ôs]¥Œ  Œ  D            ‡ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralNames.phpnu „[µü¤        PK       ëˆU]1§º%.  .  Q            Š vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInStandardAttributes.phpnu „[µü¤        PK       ëˆU]ÅÙìów  w  E            É’ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKeyInfo.phpnu „[µü¤        PK       ìˆU]B²s¬  ¬  A            µ– vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLReason.phpnu „[µü¤        PK       ìˆU]'vÖT    C            Òš vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Certificate.phpnu „[µü¤        PK       ìˆU]15¬ §  §  K            Pž vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificatePolicies.phpnu „[µü¤        PK       ìˆU]§pÿ—A  A  I            r¡ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSASSA_PSS_params.phpnu „[µü¤        PK       ìˆU]šÁ¥Àí  í  A            ,¨ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAParams.phpnu „[µü¤        PK       ìˆU]fˆÀ  À  C            Š« vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DssSigValue.phpnu „[µü¤        PK       ìˆU]†kÈ&  &  A            ½® vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PublicKey.phpnu „[µü¤        PK       ìˆU]¸ŠžQ¹  ¹  Q            T± vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AuthorityInfoAccessSyntax.phpnu „[µü¤        PK       ìˆU]Ü Å›c  c  G            Ž´ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RC2CBCParameter.phpnu „[µü¤        PK       ìˆU]LF;:Æ  Æ  E            h¸ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/EcdsaSigValue.phpnu „[µü¤        PK       íˆU]©È\î    B            £» vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Attributes.phpnu „[µü¤        PK       íˆU]gî“Ñ  Ñ  H            ”¾ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OneAsymmetricKey.phpnu „[µü¤        PK       íˆU]3ö¹Œ    D            ÝÃ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBMAC1params.phpnu „[µü¤        PK       íˆU]£ ïZ  Z  C            dÇ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DisplayText.phpnu „[µü¤        PK       íˆU]‚!ËRÈ  È  D            1Ë vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ECPrivateKey.phpnu „[µü¤        PK       íˆU]€óM@b  b  F            mÐ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OtherPrimeInfo.phpnu „[µü¤        PK       íˆU]sn`²é  é  C            EÔ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/GeneralName.phpnu „[µü¤        PK       íˆU]<éÓ.  .  F            ¡Ý vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AttributeValue.phpnu „[µü¤        PK       íˆU]lÙr(R  R  C            Eà vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RDNSequence.phpnu „[µü¤        PK       íˆU]M—,»¯  ¯  E            
å vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PostalAddress.phpnu „[µü¤        PK       îˆU]”ƒ©­1  1  D            .è vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/FieldElement.phpnu „[µü¤        PK       ïˆU]KŒAN    U            Óê vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttribute.phpnu „[µü¤        PK       ðˆU]æÊŒ¢  ¢  I            gî vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SpecifiedECDomain.phpnu „[µü¤        PK       ñˆU]*æõÍ  Í  C            ‚ó vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PKCS9String.phpnu „[µü¤        PK       òˆU]{x#  #  A            Âö vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLNumber.phpnu „[µü¤        PK       òˆU]ý°Ð	j  j  B            Vù vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/UserNotice.phpnu „[µü¤        PK       óˆU]23³Ú    B            2ý vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Extensions.phpnu „[µü¤        PK       ôˆU]Ó0†Ÿ¨  ¨  P            ¼  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/IssuingDistributionPoint.phpnu „[µü¤        PK       ôˆU]nâ0ZÐ  Ð  G            ä vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OtherPrimeInfos.phpnu „[µü¤        PK       ôˆU]Òõ#    ?            + vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Prime_p.phpnu „[µü¤        PK       ôˆU]O<Ü·¿  ¿  K            · vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtensionAttributes.phpnu „[µü¤        PK       ôˆU]ŠéÅ)  )  E            ñ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/HashAlgorithm.phpnu „[µü¤        PK       ôˆU]z_be  e  D            � vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PBKDF2params.phpnu „[µü¤        PK       ôˆU][P‹ä˜  ˜  E            h vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DSAPrivateKey.phpnu „[µü¤        PK       ôˆU]ÀVàŸM  M  O            u vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateSerialNumber.phpnu „[µü¤        PK       ôˆU]:”)¡  ¡  F            A  vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/TBSCertificate.phpnu „[µü¤        PK       ôˆU]S9‚    J            X) vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/ExtensionAttribute.phpnu „[µü¤        PK       õˆU]P°Ëç;  ;  H            é- vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/netscape_comment.phpnu „[µü¤        PK       õˆU]¥Áhu  u  A            œ0 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Extension.phpnu „[µü¤        PK       õˆU]Î:Åî  î  I            ‚5 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/PrivateDomainName.phpnu „[µü¤        PK       õˆU]†b4    B            é8 vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DigestInfo.phpnu „[µü¤        PK       õˆU]·¶ì‚;  ;  F            f< vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/InvalidityDate.phpnu „[µü¤        PK       õˆU]š€t&l  l  G            ? vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NoticeReference.phpnu „[µü¤        PK       õˆU]5ƒ<ó  ó  V            úB vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BuiltInDomainDefinedAttributes.phpnu „[µü¤        PK       öˆU]<®ëU  U  @            sF vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyUsage.phpnu „[µü¤        PK       öˆU]¥K,ë    C            8J vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Pentanomial.phpnu „[µü¤        PK       öˆU]ÀÑhï  ï  L            ÂM vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectPublicKeyInfo.phpnu „[µü¤        PK       öˆU]¤[6  6  D            -Q vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyPurposeId.phpnu „[µü¤        PK       ÷ˆU]vExÀ;  ;  H            ×S vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/UniqueIdentifier.phpnu „[µü¤        PK       ÷ˆU]ó:p,  ,  D            ŠV vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/BaseDistance.phpnu „[µü¤        PK       ÷ˆU]r”¥Çæ  æ  I            *Y vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AccessDescription.phpnu „[µü¤        PK       ÷ˆU]¡ø†I  I  S            ‰\ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SignedPublicKeyAndChallenge.phpnu „[µü¤        PK       ÷ˆU]õr7¼"  "  E            U` vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/IssuerAltName.phpnu „[µü¤        PK       ÷ˆU]Ÿ	ÔÞ      C            ìb vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DHParameter.phpnu „[µü¤        PK       ÷ˆU]@\É  É  E            ÿf vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSAPrivateKey.phpnu „[µü¤        PK       øˆU]wœÃ  Ã  <            =m vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Time.phpnu „[µü¤        PK       øˆU]Ž¦6  6  D            lp vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertPolicyId.phpnu „[µü¤        PK       øˆU]˜91     G            s vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CertificateList.phpnu „[µü¤        PK       øˆU]o„¢Ö  Ö  D            žv vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/RSAPublicKey.phpnu „[µü¤        PK       øˆU]8F•¹�  �  N            èy vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/AuthorityKeyIdentifier.phpnu „[µü¤        PK       øˆU]ã›Ã4  4  E             vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/KeyIdentifier.phpnu „[µü¤        PK       øˆU]¨5lÞœ  œ  @            ¬� vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/Validity.phpnu „[µü¤        PK       øˆU]×¡¸ß9  9  F            ¸„ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/NetworkAddress.phpnu „[µü¤        PK       øˆU]/ŽJ¼  ¼  G            g‡ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/DirectoryString.phpnu „[µü¤        PK       øˆU]ìýh´  ´  R            š‹ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/SubjectDirectoryAttributes.phpnu „[µü¤        PK       øˆU]ùÖžµ­  ­  M            ÐŽ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/CRLDistributionPoints.phpnu „[µü¤        PK       ùˆU]þ³A  A  H            ú‘ vendor/phpseclib/phpseclib/phpseclib/File/ASN1/Maps/OrganizationName.phpnu „[µü¤        PK       ùˆU]Õ­Üªî  î  2            ³” vendor/phpseclib/phpseclib/phpseclib/File/ASN1.phpnu „[µü¤        PK       ùˆU]möÙ P   P  2            ƒ vendor/phpseclib/phpseclib/phpseclib/File/ANSI.phpnu „[µü¤        PK       ùˆU]åÈÚáÑ Ñ 1            Ô vendor/phpseclib/phpseclib/phpseclib/Net/SFTP.phpnu „[µü¤        PK       ùˆU]ßZ…Ç …Ç 1            –¥ vendor/phpseclib/phpseclib/phpseclib/Net/SSH2.phpnu „[µü¤        PK       ùˆU]~m€ÆˆV  ˆV  8            |m  vendor/phpseclib/phpseclib/phpseclib/Net/SFTP/Stream.phpnu „[µü¤        PK       ùˆU] k¸O¹  O¹  3            lÄ  vendor/phpseclib/phpseclib/phpseclib/Crypt/Hash.phpnu „[µü¤        PK       ùˆU]EWòY�$  �$  2            ~! vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA.phpnu „[µü¤        PK       ùˆU]ÜƒrÏ9  Ï9  6            £! vendor/phpseclib/phpseclib/phpseclib/Crypt/Salsa20.phpnu „[µü¤        PK       ùˆU]Æ+ð=  =  <            6Ý! vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/PrivateKey.phpnu „[µü¤        PK       ùˆU]aëúHµ  µ  D            ßä! vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Formats/Keys/PKCS1.phpnu „[µü¤        PK       úˆU]üb,×ý  ý  D            î! vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Formats/Keys/PKCS8.phpnu „[µü¤        PK       úˆU]ja¾ P  P  <            y" vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/Parameters.phpnu „[µü¤        PK       úˆU]Þ_qU  U  ;            5" vendor/phpseclib/phpseclib/phpseclib/Crypt/DH/PublicKey.phpnu „[µü¤        PK       úˆU]
×Æç¡U  ¡U  2            õ	" vendor/phpseclib/phpseclib/phpseclib/Crypt/RC2.phpnu „[µü¤        PK       úˆU]fë‡‚–3  –3  1            ø_" vendor/phpseclib/phpseclib/phpseclib/Crypt/EC.phpnu „[µü¤        PK       úˆU]å·†
®  
®  7            ï“" vendor/phpseclib/phpseclib/phpseclib/Crypt/Rijndael.phpnu „[µü¤        PK       úˆU];an�÷@  ÷@  =            `B# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/PrivateKey.phpnu „[µü¤        PK       úˆU]âë    C            Äƒ# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/XML.phpnu „[µü¤        PK       úˆU]�i—�    E            Rœ# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PuTTY.phpnu „[µü¤        PK       úˆU]É6Á+„  „  G            ×«# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/OpenSSH.phpnu „[µü¤        PK       úˆU]uï—#    E            Ò¼# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS1.phpnu „[µü¤        PK       úˆU]†ßŠçÖ  Ö  C            bÑ# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/Raw.phpnu „[µü¤        PK       úˆU]ì2
<R  R  E            «è# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS8.phpnu „[µü¤        PK       úˆU]{.Ý(  (  C            rù# vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PSS.phpnu „[µü¤        PK       úˆU]Ù‚ ¢  ¢  F            $ vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/MSBLOB.phpnu „[µü¤        PK       ûˆU]íg¾§=  §=  <            %8$ vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/PublicKey.phpnu „[µü¤        PK       ûˆU]m¨�«w  w  =            8v$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/PrivateKey.phpnu „[µü¤        PK       ûˆU]‹¾îÁ  Á  C            Š$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/XML.phpnu „[µü¤        PK       ûˆU]¬½;7  7  E            PŸ$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PuTTY.phpnu „[µü¤        PK       ûˆU]¥(t~%  %  G            ü­$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/OpenSSH.phpnu „[µü¤        PK       üˆU]©¸u �  �  E            ˜½$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PKCS1.phpnu „[µü¤        PK       üˆU]{<ÃÜˆ
  ˆ
  C            �Î$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/Raw.phpnu „[µü¤        PK       üˆU]ï
&gw  w  E            ˜Ù$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Keys/PKCS8.phpnu „[µü¤        PK       üˆU]´[¡    I            „î$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/ASN1.phpnu „[µü¤        PK       üˆU]ÝàêŠF  F  I            þô$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/SSH2.phpnu „[µü¤        PK       üˆU]L˜.ZS  S  H            ½ü$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Formats/Signature/Raw.phpnu „[µü¤        PK       üˆU]S2v"Z  Z  =            ˆÿ$ vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/Parameters.phpnu „[µü¤        PK       üˆU]W¥I¢	  ¢	  <            O% vendor/phpseclib/phpseclib/phpseclib/Crypt/DSA/PublicKey.phpnu „[µü¤        PK       üˆU]îIã%  %  <            ]% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/PrivateKey.phpnu „[µü¤        PK       üˆU]5eTHF  F  B            ×2% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/XML.phpnu „[µü¤        PK       ýˆU]Íª³8Ñ  Ñ  D            fy% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PuTTY.phpnu „[µü¤        PK       ýˆU]ó Å`d  d  F            «‹% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/OpenSSH.phpnu „[µü¤        PK       ýˆU]^çH    D            …§% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PKCS1.phpnu „[µü¤        PK       ýˆU]èÛ€°†  †  H            Å% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/libsodium.phpnu „[µü¤        PK       ýˆU]wgA\  \  E            Ô% vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/Common.phpnu „[µü¤        PK       ýˆU]&Ø”tÑ!  Ñ!  D            Ÿ0& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/PKCS8.phpnu „[µü¤        PK        ‰U]¹è
n  n  P            äR& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPrivate.phpnu „[µü¤        PK        ‰U]º¿äŽÁ  Á  O            Ò`& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Keys/MontgomeryPublic.phpnu „[µü¤        PK        ‰U]Êù¡    H            i& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/ASN1.phpnu „[µü¤        PK        ‰U]Uyo$	  $	  H            �o& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/SSH2.phpnu „[µü¤        PK        ‰U]3”GžP  P  G            )y& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Formats/Signature/Raw.phpnu „[µü¤        PK        ‰U]`ü!  !  B            ð{& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect409k1.phpnu „[µü¤        PK        ‰U]¹3î’  ’  >            ƒ�& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Ed448.phpnu „[µü¤        PK       ‰U]�#‹  ‹  A            ƒ & vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp384.phpnu „[µü¤        PK       ‰U]ì™•  •  B            ¢& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect131r1.phpnu „[µü¤        PK       ‰U]¥w£à  à  B            †¦& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect193r2.phpnu „[µü¤        PK       ‰U]jÛL<  <  H            Øª& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP160r1.phpnu „[µü¤        PK       ‰U]„rŸüb  b  C            Œ¯& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v3.phpnu „[µü¤        PK       ‰U]®í
0	  0	  C            a´& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Curve25519.phpnu „[µü¤        PK       ‰U]ß�t‹  ‹  A            ¾& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp256.phpnu „[µü¤        PK       ‰U]`Ç½ãc  c  B             À& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp192k1.phpnu „[µü¤        PK       ‰U]˜ eIª  ª  C            ÕÆ& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v2.phpnu „[µü¤        PK       ‰U]mL›¾    B            òË& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp128r2.phpnu „[µü¤        PK       ‰U]@¨ì²Œ  Œ  A            �Ð& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk283.phpnu „[µü¤        PK       ‰U]](“È  È  H            ~Ò& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP512t1.phpnu „[µü¤        PK       ‰U]‡2;Ð    H            ¾Ú& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP160t1.phpnu „[µü¤        PK       ‰U]¼EŸ    H            Fâ& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP384t1.phpnu „[µü¤        PK       ‰U]^¡ÄBÖ  Ö  H            Æé& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP256t1.phpnu „[µü¤        PK       ‰U]ïúœ‹  ‹  A            ï& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistb233.phpnu „[µü¤        PK       ‰U]ô…•ì�  �  C            ñ& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime256v1.phpnu „[µü¤        PK       ‰U]HÌº>|  |  B            ó& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp384r1.phpnu „[µü¤        PK       ‰U]<=œ•  •  B             ú& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect131r2.phpnu „[µü¤        PK       ‰U]\‹¹­  ­  B            þ& vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp224k1.phpnu „[µü¤        PK       ‰U]%`‹  ‹  A            &' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp192.phpnu „[µü¤        PK       	‰U]Ú<Š~O  O  B            "' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160r2.phpnu „[µü¤        PK       	‰U]/�év  v  H            ã' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP192t1.phpnu „[µü¤        PK       	‰U],dh€Ì  Ì  H            Ñ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP256r1.phpnu „[µü¤        PK       	‰U];y§Lÿ  ÿ  B            ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp192r1.phpnu „[µü¤        PK       	‰U]ÒD:è  è  B            †"' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp112r1.phpnu „[µü¤        PK       	‰U]‚™õ�  �  C            à&' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v1.phpnu „[µü¤        PK       	‰U]”Û'    B            â(' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect233r1.phpnu „[µü¤        PK       
‰U]ôe.Zl
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  A            f-' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Curve448.phpnu „[µü¤        PK       
‰U]7/ãà  à  B            C8' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect193r1.phpnu „[µü¤        PK       
‰U]÷=+n‹  ‹  A            •<' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk233.phpnu „[µü¤        PK       
‰U]•JPÑf  f  B            ‘>' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp256k1.phpnu „[µü¤        PK       
‰U]°n'¨‹  ‹  A            iF' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk163.phpnu „[µü¤        PK       
‰U]ñ=ú
  
  B            eH' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp521r1.phpnu „[µü¤        PK       ‰U]J˜‹  ‹  A            áP' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp224.phpnu „[µü¤        PK       ‰U]ÉGw£5  5  B            ÝR' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect571r1.phpnu „[µü¤        PK       ‰U]óùãý  ý  H            „Y' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP384r1.phpnu „[µü¤        PK       ‰U]�Y‡Ó¦  ¦  H            ù`' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP224t1.phpnu „[µü¤        PK       ‰U]¥IÙ•{  {  B            f' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect113r1.phpnu „[µü¤        PK       ‰U]šhÙµ{  {  B            j' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect113r2.phpnu „[µü¤        PK       ‰U]P™­¼ª  ª  C            ñm' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v3.phpnu „[µü¤        PK       ‰U]”ælœ  œ  H            s' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP224r1.phpnu „[µü¤        PK       ‰U]x‘É    H            "x' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP320t1.phpnu „[µü¤        PK       ‰U]Ôa’W2  2  B            ©~' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160r1.phpnu „[µü¤        PK       ‰U]D^.™À  À  B            Mƒ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp256r1.phpnu „[µü¤        PK       ‰U]žY±Æ½  ½  B            ˆ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163k1.phpnu „[µü¤        PK       ‰U]™ß#  #  B            ®Œ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect409r1.phpnu „[µü¤        PK       ‰U]ÿ.í‹  ‹  A            C’' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistp521.phpnu „[µü¤        PK       ‰U]„o]ôl  l  H            ?”' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP192r1.phpnu „[µü¤        PK       ‰U]ø™Ø‹  ‹  A            #™' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistb409.phpnu „[µü¤        PK       ‰U]býqæ�  �  B            ›' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp224r1.phpnu „[µü¤        PK       ‰U]{Ûe…    B            ! ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp112r2.phpnu „[µü¤        PK       ‰U]Ž²9½  ½  B            Ÿ¤' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163r1.phpnu „[µü¤        PK       ‰U]6ù6úV  V  B            Î¨' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect283r1.phpnu „[µü¤        PK       ‰U]3
    H            –­' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP320r1.phpnu „[µü¤        PK       ‰U]§…Ù�5  5  B            ´' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect571k1.phpnu „[µü¤        PK       ‰U]\�Z    B            ºº' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect233k1.phpnu „[µü¤        PK       ‰U]IiV  V  B            <¿' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect283k1.phpnu „[µü¤        PK       ‰U]ÈŸ™d‹  ‹  A            Ä' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistt571.phpnu „[µü¤        PK       ‰U]/&‡—ª  ª  C             Æ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime239v1.phpnu „[µü¤        PK       ‰U]"Rú¾  ¾  H            Ë' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/brainpoolP512r1.phpnu „[µü¤        PK       ‰U]ù¿P©<  <  B            SÓ' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp160k1.phpnu „[µü¤        PK       ‰U]È³U™ã'  ã'  @            Ú' vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/Ed25519.phpnu „[µü¤        PK       ‰U]ÙÉÙ1    B            T( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect239k1.phpnu „[µü¤        PK       ‰U]wwš½  ½  B            Û( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/sect163r2.phpnu „[µü¤        PK       ‰U]	?.«‹  ‹  A            
( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/nistk409.phpnu „[µü¤        PK       ‰U][ãI      B            ( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/secp128r1.phpnu „[µü¤        PK       ‰U]8wùb  b  C            x( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Curves/prime192v2.phpnu „[µü¤        PK       ‰U]`¡JøC  C  <            M( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/Parameters.phpnu „[µü¤        PK       ‰U]!Že¹™  ™  ;            ü( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/PublicKey.phpnu „[µü¤        PK       ‰U]O×x  x  A             0( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Base.phpnu „[µü¤        PK       ‰U]»Uþ '   '  I            éC( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/KoblitzPrime.phpnu „[µü¤        PK       ‰U]�Ê/:—&  —&  C            bk( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Binary.phpnu „[µü¤        PK        ‰U]|Í^?S  ?S  B            l’( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Prime.phpnu „[µü¤        PK       "‰U]e”A³    G            æ( vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/Montgomery.phpnu „[µü¤        PK       #‰U]jáM¾  ¾  K            ³) vendor/phpseclib/phpseclib/phpseclib/Crypt/EC/BaseCurves/TwistedEdwards.phpnu „[µü¤        PK       $‰U]Æd–y-~  -~  7            ì) vendor/phpseclib/phpseclib/phpseclib/Crypt/ChaCha20.phpnu „[µü¤        PK       &‰U]¼©1ÀŸ6  Ÿ6  8            €˜) vendor/phpseclib/phpseclib/phpseclib/Crypt/TripleDES.phpnu „[µü¤        PK       (‰U]§€/    @            ‡Ï) vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/PrivateKey.phpnu „[µü¤        PK       )‰U]ÙFç‡    G            þÒ) vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS.phpnu „[µü¤        PK       +‰U]ÿoÛe5  e5  H            {Ù) vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PuTTY.phpnu „[µü¤        PK       ,‰U]ë6›Ðc#  c#  J            X* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/OpenSSH.phpnu „[µü¤        PK       .‰U]=NúA;  ;  H            53* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS1.phpnu „[µü¤        PK       /‰U]å&�„jh  jh  H            èQ* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Keys/PKCS8.phpnu „[µü¤        PK       1‰U]}y†  †  K            Êº* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Formats/Signature/Raw.phpnu „[µü¤        PK       3‰U]9¡Ð�  �  N            ËÀ* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Traits/PasswordProtected.phpnu „[µü¤        PK       4‰U]ðÃ�Ü    H            ØÅ* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/Traits/Fingerprint.phpnu „[µü¤        PK       5‰U]—`©r\  \  A            cÍ* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/BlockCipher.phpnu „[µü¤        PK       5‰U]>mø  ø  B            0Ð* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/StreamCipher.phpnu „[µü¤        PK       6‰U];,dr>  r>  C            šÕ* vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/AsymmetricKey.phpnu „[µü¤        PK       6‰U]ì<L'�  �  ?            + vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/PublicKey.phpnu „[µü¤        PK       6‰U]zø4úØõ Øõ B            ‹+ vendor/phpseclib/phpseclib/phpseclib/Crypt/Common/SymmetricKey.phpnu „[µü¤        PK       7‰U]¬À‹}ì ì 2            Õ- vendor/phpseclib/phpseclib/phpseclib/Crypt/DES.phpnu „[µü¤        PK       7‰U]â!k“–  –  2            #. vendor/phpseclib/phpseclib/phpseclib/Crypt/RC4.phpnu „[µü¤        PK       7‰U]Ì	ðM$  M$  5            :. vendor/phpseclib/phpseclib/phpseclib/Crypt/Random.phpnu „[µü¤        PK       7‰U]§ª`â$  $  2            Í^. vendor/phpseclib/phpseclib/phpseclib/Crypt/AES.phpnu „[µü¤        PK       7‰U]8j'oJ  J  1            Sn. vendor/phpseclib/phpseclib/phpseclib/Crypt/DH.phpnu „[µü¤        PK       7‰U]Gð�to  to  2            µ¸. vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA.phpnu „[µü¤        PK       8‰U]ç™s0'd  'd  7            ‹(/ vendor/phpseclib/phpseclib/phpseclib/Crypt/Blowfish.phpnu „[µü¤        PK       8‰U](^xJA  A  >            �/ vendor/phpseclib/phpseclib/phpseclib/Crypt/PublicKeyLoader.phpnu „[µü¤        PK       8‰U]å
¼¢›‘  ›‘  6            È˜/ vendor/phpseclib/phpseclib/phpseclib/Crypt/Twofish.phpnu „[µü¤        PK       8‰U]ž|¾XmA  mA  D            É*0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/GMP.phpnu „[µü¤        PK       8‰U]ôqo    H            ªl0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/OpenSSL.phpnu „[µü¤        PK       8‰U][fëŽ>#  >#  F            @u0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP32.phpnu „[µü¤        PK       8‰U]1*S‰  ‰  O            ô˜0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/OpenSSL.phpnu „[µü¤        PK       8‰U]¤cuä	  ä	  L            ü›0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Base.phpnu „[µü¤        PK       9‰U]€+Ã¢˜  ˜  U            \¦0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/DefaultEngine.phpnu „[µü¤        PK       9‰U]—ªl­‘  ‘  ^            y©0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/EvalBarrett.phpnu „[µü¤        PK       9‰U]b@K½Ž  Ž  Z            ˜µ0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/Reductions/Barrett.phpnu „[µü¤        PK       9‰U]:-˜Ê    O            °Ð0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath/BuiltIn.phpnu „[µü¤        PK       9‰U];•.ªE  ªE  G            0Õ0 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/BCMath.phpnu „[µü¤        PK       9‰U]6,ÛJ�–  �–  D            Q1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP.phpnu „[µü¤        PK       :‰U]¶A1Ë  Ë  R            b²1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/GMP/DefaultEngine.phpnu „[µü¤        PK       <‰U]8ù¡‰$  $  F            ¯¶1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP64.phpnu „[µü¤        PK       @‰U]x-æƒ  ƒ  L            BÛ1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/OpenSSL.phpnu „[µü¤        PK       A‰U])/Ùo  o  I            AÞ1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Base.phpnu „[µü¤        PK       B‰U]@op®	  ®	  O            )ñ1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Montgomery.phpnu „[µü¤        PK       B‰U]�J—  —  R            Vû1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/DefaultEngine.phpnu „[µü¤        PK       B‰U]n:�Ù<  Ù<  [            oþ1 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/EvalBarrett.phpnu „[µü¤        PK       B‰U]�ÛÀ—    W            Ó;2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Classic.phpnu „[µü¤        PK       B‰U]ÂWÙÕ  Õ  ^            o@2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/MontgomeryMult.phpnu „[µü¤        PK       B‰U]D½€ ,  ,  W            ÒL2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Barrett.phpnu „[µü¤        PK       B‰U]ö`ž†c  c  Z            vy2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/Montgomery.phpnu „[µü¤        PK       B‰U]Ur­à¯  ¯  Z            cŒ2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/PHP/Reductions/PowerOfTwo.phpnu „[µü¤        PK       B‰U]¥ß!–  !–  G            œ’2 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger/Engines/Engine.phpnu „[µü¤        PK       B‰U]³©õ:  :  9            4)3 vendor/phpseclib/phpseclib/phpseclib/Math/BinaryField.phpnu „[µü¤        PK       C‰U]_ÑefV  fV  8            ×=3 vendor/phpseclib/phpseclib/phpseclib/Math/BigInteger.phpnu „[µü¤        PK       C‰U]Ç’ªX(  X(  @            ¥”3 vendor/phpseclib/phpseclib/phpseclib/Math/PrimeField/Integer.phpnu „[µü¤        PK       C‰U]²¡Ó´<6  <6  A            m½3 vendor/phpseclib/phpseclib/phpseclib/Math/BinaryField/Integer.phpnu „[µü¤        PK       C‰U]¢¥þÎ
  Î
  8            ô3 vendor/phpseclib/phpseclib/phpseclib/Math/PrimeField.phpnu „[µü¤        PK       C‰U]Ú…ž'  '  H            Pÿ3 vendor/phpseclib/phpseclib/phpseclib/Math/Common/FiniteField/Integer.phpnu „[µü¤        PK       C‰U]Á´3Ç  Ç  @            ï4 vendor/phpseclib/phpseclib/phpseclib/Math/Common/FiniteField.phpnu „[µü¤        PK       C‰U]Ýh   h   0            &4 vendor/phpseclib/phpseclib/phpseclib/openssl.cnfnu „[µü¤        PK       C‰U]Óù™é7  7  A            î4 vendor/phpseclib/phpseclib/phpseclib/Common/Functions/Strings.phpnu „[µü¤        PK       C‰U]•yå  å  2            q>4 vendor/phpseclib/phpseclib/phpseclib/bootstrap.phpnu „[µü¤        PK       C‰U]ŸÛïê   ê   9            ¸A4 vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent.phpnu „[µü¤        PK       C‰U]:üƒu  u  K            c4 vendor/phpseclib/phpseclib/phpseclib/System/SSH/Common/Traits/ReadBytes.phpnu „[µü¤        PK       D‰U]hDÂn#  n#  B            ûf4 vendor/phpseclib/phpseclib/phpseclib/System/SSH/Agent/Identity.phpnu „[µü¤        PK       D‰U]Ka·8  8  &            ÛŠ4 vendor/ralouphie/getallheaders/LICENSEnu „[µü¤        PK       D‰U]±»ëzh  h  4            i�4 vendor/ralouphie/getallheaders/src/getallheaders.phpnu „[µü¤        PK       D‰U]rgòáð  ð  1            5–4 vendor/symfony/deprecation-contracts/function.phpnu „[µü¤        PK       D‰U]î‰2)  )  ,            †š4 vendor/symfony/deprecation-contracts/LICENSEnu „[µü¤        PK       D‰U]³â#ù  ù              Ÿ4 vendor/firebase/php-jwt/LICENSEnu „[µü¤        PK       D‰U]“áÌ“^  ^  ,            S¥4 vendor/firebase/php-jwt/src/CachedKeySet.phpnu „[µü¤        PK       D‰U]‹Sù<f   f   9            ¼4 vendor/firebase/php-jwt/src/SignatureInvalidException.phpnu „[µü¤        PK       D‰U]Á4ƒJV  V  #            Ü¼4 vendor/firebase/php-jwt/src/Key.phpnu „[µü¤        PK       D‰U]ï#Èc  c  #            …Ã4 vendor/firebase/php-jwt/src/JWK.phpnu „[µü¤        PK       E‰U]ÂË}ûa   a   4            ;Ý4 vendor/firebase/php-jwt/src/BeforeValidException.phpnu „[µü¤        PK       E‰U]†—ÉÐvV  vV  #             Þ4 vendor/firebase/php-jwt/src/JWT.phpnu „[µü¤        PK       E‰U]o²*]   ]   0            É45 vendor/firebase/php-jwt/src/ExpiredException.phpnu „[µü¤        PK       E‰U]p±ŽO=  =              †55 vendor/psr/log/LICENSEnu „[µü¤        PK       E‰U]Q'¯’  ’  +            	:5 vendor/psr/log/Psr/Log/LoggerAwareTrait.phpnu „[µü¤        PK       E‰U]¹WåjW  W  &            ö;5 vendor/psr/log/Psr/Log/LoggerTrait.phpnu „[µü¤        PK       E‰U]ÑâÕIÃ  Ã  %            £I5 vendor/psr/log/Psr/Log/NullLogger.phpnu „[µü¤        PK       F‰U]1b!q*  *  *            »L5 vendor/psr/log/Psr/Log/LoggerInterface.phpnu „[µü¤        PK       F‰U]Ò Æî¯  ¯  *            ?Y5 vendor/psr/log/Psr/Log/Test/TestLogger.phpnu „[µü¤        PK       F‰U]I\—)  )  3            Hk5 vendor/psr/log/Psr/Log/Test/LoggerInterfaceTest.phpnu „[µü¤        PK       F‰U]HTgû   û   )            Ô}5 vendor/psr/log/Psr/Log/Test/DummyTest.phpnu „[µü¤        PK       F‰U] ˆX1`   `   3            (5 vendor/psr/log/Psr/Log/InvalidArgumentException.phpnu „[µü¤        PK       G‰U]Èj±)  )  /            ë5 vendor/psr/log/Psr/Log/LoggerAwareInterface.phpnu „[µü¤        PK       G‰U]Gœëâ      )            s�5 vendor/psr/log/Psr/Log/AbstractLogger.phpnu „[µü¤        PK       G‰U]�òºP  P  #            ì�5 vendor/psr/log/Psr/Log/LogLevel.phpnu „[µü¤        PK       G‰U]Úçê=  =              ��5 vendor/psr/http-message/LICENSEnu „[µü¤        PK       G‰U]ã­¢vQ  Q  5            ”5 vendor/psr/http-message/src/UploadedFileInterface.phpnu „[µü¤        PK       G‰U]?.Çâ?1  ?1  ,            Ñ¦5 vendor/psr/http-message/src/UriInterface.phpnu „[µü¤        PK       G‰U]=fbrŠ  Š  /            lØ5 vendor/psr/http-message/src/StreamInterface.phpnu „[µü¤        PK       G‰U]„ ÔÔÎ  Î  0            Uë5 vendor/psr/http-message/src/RequestInterface.phpnu „[µü¤        PK       G‰U]‰-{
  
  1            ƒþ5 vendor/psr/http-message/src/ResponseInterface.phpnu „[µü¤        PK       G‰U]_ôr'  r'  6            	6 vendor/psr/http-message/src/ServerRequestInterface.phpnu „[µü¤        PK       G‰U]¡z /þ  þ  0            Û06 vendor/psr/http-message/src/MessageInterface.phpnu „[µü¤        PK       G‰U]ÅS¸=  =              9L6 vendor/psr/http-client/LICENSEnu „[µü¤        PK       H‰U]çó:¾«   «   7            ÄP6 vendor/psr/http-client/src/ClientExceptionInterface.phpnu „[µü¤        PK       H‰U]"Ä7’  ’  8            ÖQ6 vendor/psr/http-client/src/NetworkExceptionInterface.phpnu „[µü¤        PK       H‰U]ŒEÕuJ  J  8            ÐT6 vendor/psr/http-client/src/RequestExceptionInterface.phpnu „[µü¤        PK       H‰U]Òžvô  ô  .            ‚W6 vendor/psr/http-client/src/ClientInterface.phpnu „[µü¤        PK       H‰U]D©f¼8  8              ÔY6 vendor/psr/cache/LICENSE.txtnu „[µü¤        PK       H‰U]4z=¸¼  ¼  +            X^6 vendor/psr/cache/src/CacheItemInterface.phpnu „[µü¤        PK       H‰U]®ýK¼�   �   '            om6 vendor/psr/cache/src/CacheException.phpnu „[µü¤        PK       H‰U]ölÄ%  %  /            Un6 vendor/psr/cache/src/CacheItemPoolInterface.phpnu „[µü¤        PK       H‰U]’Gb<+  +  1            Ù6 vendor/psr/cache/src/InvalidArgumentException.phpnu „[µü¤        PK       H‰U]ÅpB‹@Y  @Y              e�6 assets/fonts/Rank-Math.ttfnu „[µü¤        PK       H‰U]ÞGZŒY  ŒY              ïÚ6 assets/fonts/Rank-Math.woffnu „[µü¤        PK       H‰U]é•V@ @             Æ47 assets/fonts/Rank-Math.svgnu „[µü¤        PK       H‰U]«‡×¢&   &               u8 assets/index.phpnu „[µü¤        PK       H‰U]¿û‡×  ×              {u8 assets/img/icon.svgnu „[µü¤        PK       I‰U]ž™ÐB                •�8 assets/js/console.jsnu „[µü¤        PK       I‰U]‡¸WÓs  s              ò–8 assets/js/console.min.jsnu „[µü¤        PK       I‰U]Hî’ûi  i              ­¨8 assets/js/dashboard.jsnu „[µü¤        PK       I‰U]M…ßS  S              \®8 assets/js/dashboard.min.jsnu „[µü¤        PK       I‰U]jíÎîÄ   Ä               ùµ8 assets/css/history.cssnu „[µü¤        PK       I‰U]p/c‘  ‘              ·8 assets/css/settings.cssnu „[µü¤        PK       J‰U]©‘fBÄ‹  Ä‹              Û¸8 assets/css/common.cssnu „[µü¤        PK       J‰U]À¿�ä¸  ¸              äD9 assets/css/admin.cssnu „[µü¤        PK       J‰U]Z­Ì:3  :3              àK9 assets/css/dashboard.cssnu „[µü¤        PK       J‰U]ÉØî  î              b9 .vscode/settings.jsonnu „[µü¤        PK       J‰U]«‡×¢&   &   	            •�9 index.phpnu „[µü¤        PK       J‰U]øUáÖ  Ö              ô�9 instant-indexing.phpnu „[µü¤        PK       J‰U]1/=ò  ò              †9 views/indexnow-history.phpnu „[µü¤        PK       J‰U]àÜˆÝsq  sq              Jš9 views/dashboard.phpnu „[µü¤        PK       J‰U]«‡×¢&   &                : views/index.phpnu „[µü¤        PK       J‰U]÷§Àñ‡  ‡              e: views/bing-settings.phpnu „[µü¤        PK       K‰U]º¼¶‡  ‡              3: views/console.phpnu „[µü¤        PK       K‰U]Tü	  	              û(: views/google-settings.phpnu „[µü¤        PK       K‰U]ÇWESÀ&  À&              _2: languages/fast-indexing-api.potnu „[µü¤        PK       K‰U]y*ïà  à              nY: .phpcs.xml.distnu „[µü¤        PK       K‰U]F'àeD%  D%  
            �b: readme.txtnu „[µü¤        PK       K‰U]NŠº<S”  S”  #            ˆ: includes/class-instant-indexing.phpnu „[µü¤        PK       K‰U]«‡×¢&   &               ±; includes/index.phpnu „[µü¤        PK       K‰U]O�ª?�   �   *            ; includes/class-instant-indexing-module.phpnu „[µü¤        PK    ÍÍ+W ;   