new appraoch

pancake/system/vendor/php-http/discovery/.php-cs-fixer.php

@@ -0,0 +1,16 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__.'/src')
+    ->name('*.php')
+;
+
+$config = (new PhpCsFixer\Config())
+    ->setRiskyAllowed(true)
+    ->setRules([
+        '@Symfony' => true,
+    ])
+    ->setFinder($finder)
+;
+
+return $config;

pancake/system/vendor/php-http/discovery/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2015-2016 PHP HTTP Team <team@php-http.org>
+
+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.

pancake/system/vendor/php-http/discovery/composer.json

@@ -0,0 +1,63 @@
+{
+    "name": "php-http/discovery",
+    "description": "Finds and installs PSR-7, PSR-17, PSR-18 and HTTPlug implementations",
+    "type": "composer-plugin",
+    "license": "MIT",
+    "keywords": ["http", "discovery", "client", "adapter", "message", "factory", "psr7", "psr17"],
+    "homepage": "http://php-http.org",
+    "authors": [
+        {
+            "name": "Márk Sági-Kazár",
+            "email": "mark.sagikazar@gmail.com"
+        }
+    ],
+    "provide": {
+        "php-http/async-client-implementation": "*",
+        "php-http/client-implementation": "*",
+        "psr/http-client-implementation": "*",
+        "psr/http-factory-implementation": "*",
+        "psr/http-message-implementation": "*"
+    },
+    "require": {
+        "php": "^7.1 || ^8.0",
+        "composer-plugin-api": "^1.0|^2.0"
+    },
+    "require-dev": {
+        "composer/composer": "^1.0.2|^2.0",
+        "graham-campbell/phpspec-skip-example-extension": "^5.0",
+        "php-http/httplug": "^1.0 || ^2.0",
+        "php-http/message-factory": "^1.0",
+        "phpspec/phpspec": "^5.1 || ^6.1 || ^7.3",
+        "symfony/phpunit-bridge": "^6.2"
+    },
+    "autoload": {
+        "psr-4": {
+            "Http\\Discovery\\": "src/"
+        },
+        "exclude-from-classmap": [
+            "src/Composer/Plugin.php"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "spec\\Http\\Discovery\\": "spec/"
+        }
+    },
+    "scripts": {
+        "test": [
+            "vendor/bin/phpspec run",
+            "vendor/bin/simple-phpunit --group NothingInstalled"
+        ],
+        "test-ci": "vendor/bin/phpspec run -c phpspec.ci.yml"
+    },
+    "extra": {
+        "class": "Http\\Discovery\\Composer\\Plugin",
+        "plugin-optional": true
+    },
+    "conflict": {
+        "nyholm/psr7": "<1.0",
+        "zendframework/zend-diactoros": "*"
+    },
+    "prefer-stable": true,
+    "minimum-stability": "beta"
+}

pancake/system/vendor/php-http/discovery/src/ClassDiscovery.php

@@ -0,0 +1,255 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\ClassInstantiationFailedException;
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Http\Discovery\Exception\NoCandidateFoundException;
+use Http\Discovery\Exception\StrategyUnavailableException;
+use Http\Discovery\Strategy\DiscoveryStrategy;
+
+/**
+ * Registry that based find results on class existence.
+ *
+ * @author David de Boer <david@ddeboer.nl>
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+abstract class ClassDiscovery
+{
+    /**
+     * A list of strategies to find classes.
+     *
+     * @var DiscoveryStrategy[]
+     */
+    private static $strategies = [
+        Strategy\GeneratedDiscoveryStrategy::class,
+        Strategy\CommonClassesStrategy::class,
+        Strategy\CommonPsr17ClassesStrategy::class,
+        Strategy\PuliBetaStrategy::class,
+    ];
+
+    private static $deprecatedStrategies = [
+        Strategy\PuliBetaStrategy::class => true,
+    ];
+
+    /**
+     * Discovery cache to make the second time we use discovery faster.
+     *
+     * @var array
+     */
+    private static $cache = [];
+
+    /**
+     * Finds a class.
+     *
+     * @param string $type
+     *
+     * @return string|\Closure
+     *
+     * @throws DiscoveryFailedException
+     */
+    protected static function findOneByType($type)
+    {
+        // Look in the cache
+        if (null !== ($class = self::getFromCache($type))) {
+            return $class;
+        }
+
+        static $skipStrategy;
+        $skipStrategy ?? $skipStrategy = self::safeClassExists(Strategy\GeneratedDiscoveryStrategy::class) ? false : Strategy\GeneratedDiscoveryStrategy::class;
+
+        $exceptions = [];
+        foreach (self::$strategies as $strategy) {
+            if ($skipStrategy === $strategy) {
+                continue;
+            }
+
+            try {
+                $candidates = $strategy::getCandidates($type);
+            } catch (StrategyUnavailableException $e) {
+                if (!isset(self::$deprecatedStrategies[$strategy])) {
+                    $exceptions[] = $e;
+                }
+
+                continue;
+            }
+
+            foreach ($candidates as $candidate) {
+                if (isset($candidate['condition'])) {
+                    if (!self::evaluateCondition($candidate['condition'])) {
+                        continue;
+                    }
+                }
+
+                // save the result for later use
+                self::storeInCache($type, $candidate);
+
+                return $candidate['class'];
+            }
+
+            $exceptions[] = new NoCandidateFoundException($strategy, $candidates);
+        }
+
+        throw DiscoveryFailedException::create($exceptions);
+    }
+
+    /**
+     * Get a value from cache.
+     *
+     * @param string $type
+     *
+     * @return string|null
+     */
+    private static function getFromCache($type)
+    {
+        if (!isset(self::$cache[$type])) {
+            return;
+        }
+
+        $candidate = self::$cache[$type];
+        if (isset($candidate['condition'])) {
+            if (!self::evaluateCondition($candidate['condition'])) {
+                return;
+            }
+        }
+
+        return $candidate['class'];
+    }
+
+    /**
+     * Store a value in cache.
+     *
+     * @param string $type
+     * @param string $class
+     */
+    private static function storeInCache($type, $class)
+    {
+        self::$cache[$type] = $class;
+    }
+
+    /**
+     * Set new strategies and clear the cache.
+     *
+     * @param string[] $strategies list of fully qualified class names that implement DiscoveryStrategy
+     */
+    public static function setStrategies(array $strategies)
+    {
+        self::$strategies = $strategies;
+        self::clearCache();
+    }
+
+    /**
+     * Returns the currently configured discovery strategies as fully qualified class names.
+     *
+     * @return string[]
+     */
+    public static function getStrategies(): iterable
+    {
+        return self::$strategies;
+    }
+
+    /**
+     * Append a strategy at the end of the strategy queue.
+     *
+     * @param string $strategy Fully qualified class name of a DiscoveryStrategy
+     */
+    public static function appendStrategy($strategy)
+    {
+        self::$strategies[] = $strategy;
+        self::clearCache();
+    }
+
+    /**
+     * Prepend a strategy at the beginning of the strategy queue.
+     *
+     * @param string $strategy Fully qualified class name to a DiscoveryStrategy
+     */
+    public static function prependStrategy($strategy)
+    {
+        array_unshift(self::$strategies, $strategy);
+        self::clearCache();
+    }
+
+    public static function clearCache()
+    {
+        self::$cache = [];
+    }
+
+    /**
+     * Evaluates conditions to boolean.
+     *
+     * @return bool
+     */
+    protected static function evaluateCondition($condition)
+    {
+        if (is_string($condition)) {
+            // Should be extended for functions, extensions???
+            return self::safeClassExists($condition);
+        }
+        if (is_callable($condition)) {
+            return (bool) $condition();
+        }
+        if (is_bool($condition)) {
+            return $condition;
+        }
+        if (is_array($condition)) {
+            foreach ($condition as $c) {
+                if (false === static::evaluateCondition($c)) {
+                    // Immediately stop execution if the condition is false
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Get an instance of the $class.
+     *
+     * @param string|\Closure $class a FQCN of a class or a closure that instantiate the class
+     *
+     * @return object
+     *
+     * @throws ClassInstantiationFailedException
+     */
+    protected static function instantiateClass($class)
+    {
+        try {
+            if (is_string($class)) {
+                return new $class();
+            }
+
+            if (is_callable($class)) {
+                return $class();
+            }
+        } catch (\Exception $e) {
+            throw new ClassInstantiationFailedException('Unexpected exception when instantiating class.', 0, $e);
+        }
+
+        throw new ClassInstantiationFailedException('Could not instantiate class because parameter is neither a callable nor a string');
+    }
+
+    /**
+     * We need a "safe" version of PHP's "class_exists" because Magento has a bug
+     * (or they call it a "feature"). Magento is throwing an exception if you do class_exists()
+     * on a class that ends with "Factory" and if that file does not exits.
+     *
+     * This function catches all potential exceptions and makes sure to always return a boolean.
+     *
+     * @param string $class
+     *
+     * @return bool
+     */
+    public static function safeClassExists($class)
+    {
+        try {
+            return class_exists($class) || interface_exists($class);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+}

pancake/system/vendor/php-http/discovery/src/Composer/Plugin.php

@@ -0,0 +1,465 @@
+<?php
+
+namespace Http\Discovery\Composer;
+
+use Composer\Composer;
+use Composer\DependencyResolver\Pool;
+use Composer\EventDispatcher\EventSubscriberInterface;
+use Composer\Factory;
+use Composer\Installer;
+use Composer\IO\IOInterface;
+use Composer\Json\JsonFile;
+use Composer\Json\JsonManipulator;
+use Composer\Package\Locker;
+use Composer\Package\Version\VersionParser;
+use Composer\Package\Version\VersionSelector;
+use Composer\Plugin\PluginInterface;
+use Composer\Repository\InstalledRepositoryInterface;
+use Composer\Repository\RepositorySet;
+use Composer\Script\Event;
+use Composer\Script\ScriptEvents;
+use Composer\Util\Filesystem;
+use Http\Discovery\ClassDiscovery;
+
+/**
+ * Auto-installs missing implementations.
+ *
+ * When a dependency requires both this package and one of the supported `*-implementation`
+ * virtual packages, this plugin will auto-install a well-known implementation if none is
+ * found. The plugin will first look at already installed packages and figure out the
+ * preferred implementation to install based on the below stickyness rules (or on the first
+ * listed implementation if no rules match.)
+ *
+ * Don't miss updating src/Strategy/Common*Strategy.php when adding a new supported package.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
+ */
+class Plugin implements PluginInterface, EventSubscriberInterface
+{
+    /**
+     * Describes, for every supported virtual implementation, which packages
+     * provide said implementation and which extra dependencies each package
+     * requires to provide the implementation.
+     */
+    private const PROVIDE_RULES = [
+        'php-http/async-client-implementation' => [
+            'symfony/http-client:>=6.3' => ['guzzlehttp/promises', 'psr/http-factory-implementation', 'php-http/httplug'],
+            'symfony/http-client' => ['guzzlehttp/promises', 'php-http/message-factory', 'psr/http-factory-implementation', 'php-http/httplug'],
+            'php-http/guzzle7-adapter' => [],
+            'php-http/guzzle6-adapter' => [],
+            'php-http/curl-client' => [],
+            'php-http/react-adapter' => [],
+        ],
+        'php-http/client-implementation' => [
+            'symfony/http-client:>=6.3' => ['psr/http-factory-implementation', 'php-http/httplug'],
+            'symfony/http-client' => ['php-http/message-factory', 'psr/http-factory-implementation', 'php-http/httplug'],
+            'php-http/guzzle7-adapter' => [],
+            'php-http/guzzle6-adapter' => [],
+            'php-http/cakephp-adapter' => [],
+            'php-http/curl-client' => [],
+            'php-http/react-adapter' => [],
+            'php-http/buzz-adapter' => [],
+            'php-http/artax-adapter' => [],
+            'kriswallsmith/buzz:^1' => [],
+        ],
+        'psr/http-client-implementation' => [
+            'symfony/http-client' => ['psr/http-factory-implementation', 'psr/http-client'],
+            'guzzlehttp/guzzle' => [],
+            'kriswallsmith/buzz:^1' => [],
+        ],
+        'psr/http-message-implementation' => [
+            'php-http/discovery' => ['psr/http-factory-implementation'],
+        ],
+        'psr/http-factory-implementation' => [
+            'nyholm/psr7' => [],
+            'guzzlehttp/psr7:>=2' => [],
+            'slim/psr7' => [],
+            'laminas/laminas-diactoros' => [],
+            'phalcon/cphalcon:^4' => [],
+            'http-interop/http-factory-guzzle' => [],
+            'http-interop/http-factory-diactoros' => [],
+            'http-interop/http-factory-slim' => [],
+            'httpsoft/http-message' => [],
+        ],
+    ];
+
+    /**
+     * Describes which package should be preferred on the left side
+     * depending on which one is already installed on the right side.
+     */
+    private const STICKYNESS_RULES = [
+        'symfony/http-client' => 'symfony/framework-bundle',
+        'php-http/guzzle7-adapter' => 'guzzlehttp/guzzle:^7',
+        'php-http/guzzle6-adapter' => 'guzzlehttp/guzzle:^6',
+        'php-http/guzzle5-adapter' => 'guzzlehttp/guzzle:^5',
+        'php-http/cakephp-adapter' => 'cakephp/cakephp',
+        'php-http/react-adapter' => 'react/event-loop',
+        'php-http/buzz-adapter' => 'kriswallsmith/buzz:^0.15.1',
+        'php-http/artax-adapter' => 'amphp/artax:^3',
+        'http-interop/http-factory-guzzle' => 'guzzlehttp/psr7:^1',
+        'http-interop/http-factory-slim' => 'slim/slim:^3',
+    ];
+
+    private const INTERFACE_MAP = [
+        'php-http/async-client-implementation' => [
+            'Http\Client\HttpAsyncClient',
+        ],
+        'php-http/client-implementation' => [
+            'Http\Client\HttpClient',
+        ],
+        'psr/http-client-implementation' => [
+            'Psr\Http\Client\ClientInterface',
+        ],
+        'psr/http-factory-implementation' => [
+            'Psr\Http\Message\RequestFactoryInterface',
+            'Psr\Http\Message\ResponseFactoryInterface',
+            'Psr\Http\Message\ServerRequestFactoryInterface',
+            'Psr\Http\Message\StreamFactoryInterface',
+            'Psr\Http\Message\UploadedFileFactoryInterface',
+            'Psr\Http\Message\UriFactoryInterface',
+        ],
+    ];
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            ScriptEvents::PRE_AUTOLOAD_DUMP => 'preAutoloadDump',
+            ScriptEvents::POST_UPDATE_CMD => 'postUpdate',
+        ];
+    }
+
+    public function activate(Composer $composer, IOInterface $io): void
+    {
+    }
+
+    public function deactivate(Composer $composer, IOInterface $io)
+    {
+    }
+
+    public function uninstall(Composer $composer, IOInterface $io)
+    {
+    }
+
+    public function postUpdate(Event $event)
+    {
+        $composer = $event->getComposer();
+        $repo = $composer->getRepositoryManager()->getLocalRepository();
+        $requires = [
+            $composer->getPackage()->getRequires(),
+            $composer->getPackage()->getDevRequires(),
+        ];
+        $pinnedAbstractions = [];
+        $pinned = $composer->getPackage()->getExtra()['discovery'] ?? [];
+        foreach (self::INTERFACE_MAP as $abstraction => $interfaces) {
+            foreach (isset($pinned[$abstraction]) ? [] : $interfaces as $interface) {
+                if (!isset($pinned[$interface])) {
+                    continue 2;
+                }
+            }
+            $pinnedAbstractions[$abstraction] = true;
+        }
+
+        $missingRequires = $this->getMissingRequires($repo, $requires, 'project' === $composer->getPackage()->getType(), $pinnedAbstractions);
+        $missingRequires = [
+            'require' => array_fill_keys(array_merge([], ...array_values($missingRequires[0])), '*'),
+            'require-dev' => array_fill_keys(array_merge([], ...array_values($missingRequires[1])), '*'),
+            'remove' => array_fill_keys(array_merge([], ...array_values($missingRequires[2])), '*'),
+        ];
+
+        if (!$missingRequires = array_filter($missingRequires)) {
+            return;
+        }
+
+        $composerJsonContents = file_get_contents(Factory::getComposerFile());
+        $this->updateComposerJson($missingRequires, $composer->getConfig()->get('sort-packages'));
+
+        $installer = null;
+        // Find the composer installer, hack borrowed from symfony/flex
+        foreach (debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT) as $trace) {
+            if (isset($trace['object']) && $trace['object'] instanceof Installer) {
+                $installer = $trace['object'];
+                break;
+            }
+        }
+
+        if (!$installer) {
+            return;
+        }
+
+        $event->stopPropagation();
+
+        $dispatcher = $composer->getEventDispatcher();
+        $disableScripts = !method_exists($dispatcher, 'setRunScripts') || !((array) $dispatcher)["\0*\0runScripts"];
+        $composer = Factory::create($event->getIO(), null, false, $disableScripts);
+
+        /** @var Installer $installer */
+        $installer = clone $installer;
+        if (method_exists($installer, 'setAudit')) {
+            $trace['object']->setAudit(false);
+        }
+        // we need a clone of the installer to preserve its configuration state but with our own service objects
+        $installer->__construct(
+            $event->getIO(),
+            $composer->getConfig(),
+            $composer->getPackage(),
+            $composer->getDownloadManager(),
+            $composer->getRepositoryManager(),
+            $composer->getLocker(),
+            $composer->getInstallationManager(),
+            $composer->getEventDispatcher(),
+            $composer->getAutoloadGenerator()
+        );
+        if (method_exists($installer, 'setPlatformRequirementFilter')) {
+            $installer->setPlatformRequirementFilter(((array) $trace['object'])["\0*\0platformRequirementFilter"]);
+        }
+
+        if (0 !== $installer->run()) {
+            file_put_contents(Factory::getComposerFile(), $composerJsonContents);
+
+            return;
+        }
+
+        $versionSelector = new VersionSelector(ClassDiscovery::safeClassExists(RepositorySet::class) ? new RepositorySet() : new Pool());
+        $updateComposerJson = false;
+
+        foreach ($composer->getRepositoryManager()->getLocalRepository()->getPackages() as $package) {
+            foreach (['require', 'require-dev'] as $key) {
+                if (!isset($missingRequires[$key][$package->getName()])) {
+                    continue;
+                }
+                $updateComposerJson = true;
+                $missingRequires[$key][$package->getName()] = $versionSelector->findRecommendedRequireVersion($package);
+            }
+        }
+
+        if ($updateComposerJson) {
+            $this->updateComposerJson($missingRequires, $composer->getConfig()->get('sort-packages'));
+            $this->updateComposerLock($composer, $event->getIO());
+        }
+    }
+
+    public function getMissingRequires(InstalledRepositoryInterface $repo, array $requires, bool $isProject, array $pinnedAbstractions): array
+    {
+        $allPackages = [];
+        $devPackages = method_exists($repo, 'getDevPackageNames') ? array_fill_keys($repo->getDevPackageNames(), true) : [];
+
+        // One must require "php-http/discovery"
+        // to opt-in for auto-installation of virtual package implementations
+        if (!isset($requires[0]['php-http/discovery'])) {
+            $requires = [[], []];
+        }
+
+        foreach ($repo->getPackages() as $package) {
+            $allPackages[$package->getName()] = true;
+
+            if (1 < \count($names = $package->getNames(false))) {
+                $allPackages += array_fill_keys($names, false);
+
+                if (isset($devPackages[$package->getName()])) {
+                    $devPackages += $names;
+                }
+            }
+
+            if (isset($package->getRequires()['php-http/discovery'])) {
+                $requires[(int) isset($devPackages[$package->getName()])] += $package->getRequires();
+            }
+        }
+
+        $missingRequires = [[], [], []];
+        $versionParser = new VersionParser();
+
+        if (ClassDiscovery::safeClassExists(\Phalcon\Http\Message\RequestFactory::class, false)) {
+            $missingRequires[0]['psr/http-factory-implementation'] = [];
+            $missingRequires[1]['psr/http-factory-implementation'] = [];
+        }
+
+        foreach ($requires as $dev => $rules) {
+            $abstractions = [];
+            $rules = array_intersect_key(self::PROVIDE_RULES, $rules);
+
+            while ($rules) {
+                $abstraction = key($rules);
+
+                if (isset($pinnedAbstractions[$abstraction])) {
+                    unset($rules[$abstraction]);
+                    continue;
+                }
+
+                $abstractions[] = $abstraction;
+
+                foreach (array_shift($rules) as $candidate => $deps) {
+                    [$candidate, $version] = explode(':', $candidate, 2) + [1 => null];
+
+                    if (!isset($allPackages[$candidate])) {
+                        continue;
+                    }
+                    if (null !== $version && !$repo->findPackage($candidate, $versionParser->parseConstraints($version))) {
+                        continue;
+                    }
+                    if ($isProject && !$dev && isset($devPackages[$candidate])) {
+                        $missingRequires[0][$abstraction] = [$candidate];
+                        $missingRequires[2][$abstraction] = [$candidate];
+                    } else {
+                        $missingRequires[$dev][$abstraction] = [];
+                    }
+
+                    foreach ($deps as $dep) {
+                        if (isset(self::PROVIDE_RULES[$dep])) {
+                            $rules[$dep] = self::PROVIDE_RULES[$dep];
+                        } elseif (!isset($allPackages[$dep])) {
+                            $missingRequires[$dev][$abstraction][] = $dep;
+                        } elseif ($isProject && !$dev && isset($devPackages[$dep])) {
+                            $missingRequires[0][$abstraction][] = $dep;
+                            $missingRequires[2][$abstraction][] = $dep;
+                        }
+                    }
+                    break;
+                }
+            }
+
+            while ($abstractions) {
+                $abstraction = array_shift($abstractions);
+
+                if (isset($missingRequires[$dev][$abstraction])) {
+                    continue;
+                }
+                $candidates = self::PROVIDE_RULES[$abstraction];
+
+                foreach ($candidates as $candidate => $deps) {
+                    [$candidate, $version] = explode(':', $candidate, 2) + [1 => null];
+
+                    if (null !== $version && !$repo->findPackage($candidate, $versionParser->parseConstraints($version))) {
+                        continue;
+                    }
+                    if (isset($allPackages[$candidate]) && (!$isProject || $dev || !isset($devPackages[$candidate]))) {
+                        continue 2;
+                    }
+                }
+
+                foreach (array_intersect_key(self::STICKYNESS_RULES, $candidates) as $candidate => $stickyRule) {
+                    [$stickyName, $stickyVersion] = explode(':', $stickyRule, 2) + [1 => null];
+                    if (!isset($allPackages[$stickyName]) || ($isProject && !$dev && isset($devPackages[$stickyName]))) {
+                        continue;
+                    }
+                    if (null !== $stickyVersion && !$repo->findPackage($stickyName, $versionParser->parseConstraints($stickyVersion))) {
+                        continue;
+                    }
+
+                    $candidates = [$candidate => $candidates[$candidate]];
+                    break;
+                }
+
+                $dep = key($candidates);
+                [$dep] = explode(':', $dep, 2);
+                $missingRequires[$dev][$abstraction] = [$dep];
+
+                if ($isProject && !$dev && isset($devPackages[$dep])) {
+                    $missingRequires[2][$abstraction][] = $dep;
+                }
+            }
+        }
+
+        $missingRequires[1] = array_diff_key($missingRequires[1], $missingRequires[0]);
+
+        return $missingRequires;
+    }
+
+    public function preAutoloadDump(Event $event)
+    {
+        $filesystem = new Filesystem();
+        // Double realpath() on purpose, see https://bugs.php.net/72738
+        $vendorDir = $filesystem->normalizePath(realpath(realpath($event->getComposer()->getConfig()->get('vendor-dir'))));
+        $filesystem->ensureDirectoryExists($vendorDir.'/composer');
+        $pinned = $event->getComposer()->getPackage()->getExtra()['discovery'] ?? [];
+        $candidates = [];
+
+        $allInterfaces = array_merge(...array_values(self::INTERFACE_MAP));
+        foreach ($pinned as $abstraction => $class) {
+            if (isset(self::INTERFACE_MAP[$abstraction])) {
+                $interfaces = self::INTERFACE_MAP[$abstraction];
+            } elseif (false !== $k = array_search($abstraction, $allInterfaces, true)) {
+                $interfaces = [$allInterfaces[$k]];
+            } else {
+                throw new \UnexpectedValueException(sprintf('Invalid "extra.discovery" pinned in composer.json: "%s" is not one of ["%s"].', $abstraction, implode('", "', array_keys(self::INTERFACE_MAP))));
+            }
+
+            foreach ($interfaces as $interface) {
+                $candidates[] = sprintf("case %s: return [['class' => %s]];\n", var_export($interface, true), var_export($class, true));
+            }
+        }
+
+        $file = $vendorDir.'/composer/GeneratedDiscoveryStrategy.php';
+
+        if (!$candidates) {
+            if (file_exists($file)) {
+                unlink($file);
+            }
+
+            return;
+        }
+
+        $candidates = implode('            ', $candidates);
+        $code = <<<EOPHP
+<?php
+
+namespace Http\Discovery\Strategy;
+
+class GeneratedDiscoveryStrategy implements DiscoveryStrategy
+{
+    public static function getCandidates(\$type)
+    {
+        switch (\$type) {
+            $candidates
+            default: return [];
+        }
+    }
+}
+
+EOPHP
+        ;
+
+        if (!file_exists($file) || $code !== file_get_contents($file)) {
+            file_put_contents($file, $code);
+        }
+
+        $rootPackage = $event->getComposer()->getPackage();
+        $autoload = $rootPackage->getAutoload();
+        $autoload['classmap'][] = $vendorDir.'/composer/GeneratedDiscoveryStrategy.php';
+        $rootPackage->setAutoload($autoload);
+    }
+
+    private function updateComposerJson(array $missingRequires, bool $sortPackages)
+    {
+        $file = Factory::getComposerFile();
+        $contents = file_get_contents($file);
+
+        $manipulator = new JsonManipulator($contents);
+
+        foreach ($missingRequires as $key => $packages) {
+            foreach ($packages as $package => $constraint) {
+                if ('remove' === $key) {
+                    $manipulator->removeSubNode('require-dev', $package);
+                } else {
+                    $manipulator->addLink($key, $package, $constraint, $sortPackages);
+                }
+            }
+        }
+
+        file_put_contents($file, $manipulator->getContents());
+    }
+
+    private function updateComposerLock(Composer $composer, IOInterface $io)
+    {
+        $lock = substr(Factory::getComposerFile(), 0, -4).'lock';
+        $composerJson = file_get_contents(Factory::getComposerFile());
+        $lockFile = new JsonFile($lock, null, $io);
+        $locker = ClassDiscovery::safeClassExists(RepositorySet::class)
+            ? new Locker($io, $lockFile, $composer->getInstallationManager(), $composerJson)
+            : new Locker($io, $lockFile, $composer->getRepositoryManager(), $composer->getInstallationManager(), $composerJson);
+        $lockData = $locker->getLockData();
+        $lockData['content-hash'] = Locker::getContentHash($composerJson);
+        $lockFile->write($lockData);
+    }
+}

pancake/system/vendor/php-http/discovery/src/Exception.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Http\Discovery;
+
+/**
+ * An interface implemented by all discovery related exceptions.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+interface Exception extends \Throwable
+{
+}

pancake/system/vendor/php-http/discovery/src/Exception/ClassInstantiationFailedException.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * Thrown when a class fails to instantiate.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class ClassInstantiationFailedException extends \RuntimeException implements Exception
+{
+}

pancake/system/vendor/php-http/discovery/src/Exception/DiscoveryFailedException.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * Thrown when all discovery strategies fails to find a resource.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class DiscoveryFailedException extends \Exception implements Exception
+{
+    /**
+     * @var \Exception[]
+     */
+    private $exceptions;
+
+    /**
+     * @param string       $message
+     * @param \Exception[] $exceptions
+     */
+    public function __construct($message, array $exceptions = [])
+    {
+        $this->exceptions = $exceptions;
+
+        parent::__construct($message);
+    }
+
+    /**
+     * @param \Exception[] $exceptions
+     */
+    public static function create($exceptions)
+    {
+        $message = 'Could not find resource using any discovery strategy. Find more information at http://docs.php-http.org/en/latest/discovery.html#common-errors';
+        foreach ($exceptions as $e) {
+            $message .= "\n - ".$e->getMessage();
+        }
+        $message .= "\n\n";
+
+        return new self($message, $exceptions);
+    }
+
+    /**
+     * @return \Exception[]
+     */
+    public function getExceptions()
+    {
+        return $this->exceptions;
+    }
+}

pancake/system/vendor/php-http/discovery/src/Exception/NoCandidateFoundException.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * When we have used a strategy but no candidates provided by that strategy could be used.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class NoCandidateFoundException extends \Exception implements Exception
+{
+    /**
+     * @param string $strategy
+     */
+    public function __construct($strategy, array $candidates)
+    {
+        $classes = array_map(
+            function ($a) {
+                return $a['class'];
+            },
+            $candidates
+        );
+
+        $message = sprintf(
+            'No valid candidate found using strategy "%s". We tested the following candidates: %s.',
+            $strategy,
+            implode(', ', array_map([$this, 'stringify'], $classes))
+        );
+
+        parent::__construct($message);
+    }
+
+    private function stringify($mixed)
+    {
+        if (is_string($mixed)) {
+            return $mixed;
+        }
+
+        if (is_array($mixed) && 2 === count($mixed)) {
+            return sprintf('%s::%s', $this->stringify($mixed[0]), $mixed[1]);
+        }
+
+        return is_object($mixed) ? get_class($mixed) : gettype($mixed);
+    }
+}

pancake/system/vendor/php-http/discovery/src/Exception/NotFoundException.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * Thrown when a discovery does not find any matches.
+ *
+ * @final do NOT extend this class, not final for BC reasons
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ */
+/* final */ class NotFoundException extends \RuntimeException implements Exception
+{
+}

pancake/system/vendor/php-http/discovery/src/Exception/PuliUnavailableException.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+/**
+ * Thrown when we can't use Puli for discovery.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class PuliUnavailableException extends StrategyUnavailableException
+{
+}

pancake/system/vendor/php-http/discovery/src/Exception/StrategyUnavailableException.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * This exception is thrown when we cannot use a discovery strategy. This is *not* thrown when
+ * the discovery fails to find a class.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+class StrategyUnavailableException extends \RuntimeException implements Exception
+{
+}

pancake/system/vendor/php-http/discovery/src/HttpAsyncClientDiscovery.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Client\HttpAsyncClient;
+use Http\Discovery\Exception\DiscoveryFailedException;
+
+/**
+ * Finds an HTTP Asynchronous Client.
+ *
+ * @author Joel Wurtz <joel.wurtz@gmail.com>
+ */
+final class HttpAsyncClientDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds an HTTP Async Client.
+     *
+     * @return HttpAsyncClient
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $asyncClient = static::findOneByType(HttpAsyncClient::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new NotFoundException('No HTTPlug async clients found. Make sure to install a package providing "php-http/async-client-implementation". Example: "php-http/guzzle6-adapter".', 0, $e);
+        }
+
+        return static::instantiateClass($asyncClient);
+    }
+}

pancake/system/vendor/php-http/discovery/src/HttpClientDiscovery.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Client\HttpClient;
+use Http\Discovery\Exception\DiscoveryFailedException;
+
+/**
+ * Finds an HTTP Client.
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ *
+ * @deprecated This will be removed in 2.0. Consider using Psr18ClientDiscovery.
+ */
+final class HttpClientDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds an HTTP Client.
+     *
+     * @return HttpClient
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $client = static::findOneByType(HttpClient::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new NotFoundException('No HTTPlug clients found. Make sure to install a package providing "php-http/client-implementation". Example: "php-http/guzzle6-adapter".', 0, $e);
+        }
+
+        return static::instantiateClass($client);
+    }
+}

pancake/system/vendor/php-http/discovery/src/MessageFactoryDiscovery.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Http\Message\MessageFactory;
+
+/**
+ * Finds a Message Factory.
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ *
+ * @deprecated This will be removed in 2.0. Consider using Psr17FactoryDiscovery.
+ */
+final class MessageFactoryDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds a Message Factory.
+     *
+     * @return MessageFactory
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $messageFactory = static::findOneByType(MessageFactory::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new NotFoundException('No php-http message factories found. Note that the php-http message factories are deprecated in favor of the PSR-17 message factories. To use the legacy Guzzle, Diactoros or Slim Framework factories of php-http, install php-http/message and php-http/message-factory and the chosen message implementation.', 0, $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+}

pancake/system/vendor/php-http/discovery/src/NotFoundException.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Http\Discovery;
+
+/**
+ * Thrown when a discovery does not find any matches.
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ *
+ * @deprecated since since version 1.0, and will be removed in 2.0. Use {@link \Http\Discovery\Exception\NotFoundException} instead.
+ */
+final class NotFoundException extends \Http\Discovery\Exception\NotFoundException
+{
+}

pancake/system/vendor/php-http/discovery/src/Psr17Factory.php

@@ -0,0 +1,303 @@
+<?php
+
+namespace Http\Discovery;
+
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\StreamInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Psr\Http\Message\UploadedFileInterface;
+use Psr\Http\Message\UriFactoryInterface;
+use Psr\Http\Message\UriInterface;
+
+/**
+ * A generic PSR-17 implementation.
+ *
+ * You can create this class with concrete factory instances or let
+ * it use discovery to find suitable implementations as needed.
+ *
+ * This class also provides two additional methods that are not in PSR17,
+ * to help with creating PSR-7 objects from PHP superglobals:
+ *  - createServerRequestFromGlobals()
+ *  - createUriFromGlobals()
+ *
+ * The code in this class is inspired by the "nyholm/psr7", "guzzlehttp/psr7"
+ * and "symfony/http-foundation" packages, all licenced under MIT.
+ *
+ * Copyright (c) 2004-2023 Fabien Potencier <fabien@symfony.com>
+ * Copyright (c) 2015 Michael Dowling <mtdowling@gmail.com>
+ * Copyright (c) 2015 Márk Sági-Kazár <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) 2016-2018 Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Psr17Factory implements RequestFactoryInterface, ResponseFactoryInterface, ServerRequestFactoryInterface, StreamFactoryInterface, UploadedFileFactoryInterface, UriFactoryInterface
+{
+    private $requestFactory;
+    private $responseFactory;
+    private $serverRequestFactory;
+    private $streamFactory;
+    private $uploadedFileFactory;
+    private $uriFactory;
+
+    public function __construct(
+        RequestFactoryInterface $requestFactory = null,
+        ResponseFactoryInterface $responseFactory = null,
+        ServerRequestFactoryInterface $serverRequestFactory = null,
+        StreamFactoryInterface $streamFactory = null,
+        UploadedFileFactoryInterface $uploadedFileFactory = null,
+        UriFactoryInterface $uriFactory = null
+    ) {
+        $this->requestFactory = $requestFactory;
+        $this->responseFactory = $responseFactory;
+        $this->serverRequestFactory = $serverRequestFactory;
+        $this->streamFactory = $streamFactory;
+        $this->uploadedFileFactory = $uploadedFileFactory;
+        $this->uriFactory = $uriFactory;
+
+        $this->setFactory($requestFactory);
+        $this->setFactory($responseFactory);
+        $this->setFactory($serverRequestFactory);
+        $this->setFactory($streamFactory);
+        $this->setFactory($uploadedFileFactory);
+        $this->setFactory($uriFactory);
+    }
+
+    /**
+     * @param UriInterface|string $uri
+     */
+    public function createRequest(string $method, $uri): RequestInterface
+    {
+        $factory = $this->requestFactory ?? $this->setFactory(Psr17FactoryDiscovery::findRequestFactory());
+
+        return $factory->createRequest(...\func_get_args());
+    }
+
+    public function createResponse(int $code = 200, string $reasonPhrase = ''): ResponseInterface
+    {
+        $factory = $this->responseFactory ?? $this->setFactory(Psr17FactoryDiscovery::findResponseFactory());
+
+        return $factory->createResponse(...\func_get_args());
+    }
+
+    /**
+     * @param UriInterface|string $uri
+     */
+    public function createServerRequest(string $method, $uri, array $serverParams = []): ServerRequestInterface
+    {
+        $factory = $this->serverRequestFactory ?? $this->setFactory(Psr17FactoryDiscovery::findServerRequestFactory());
+
+        return $factory->createServerRequest(...\func_get_args());
+    }
+
+    public function createServerRequestFromGlobals(array $server = null, array $get = null, array $post = null, array $cookie = null, array $files = null, StreamInterface $body = null): ServerRequestInterface
+    {
+        $server = $server ?? $_SERVER;
+        $request = $this->createServerRequest($server['REQUEST_METHOD'] ?? 'GET', $this->createUriFromGlobals($server), $server);
+
+        return $this->buildServerRequestFromGlobals($request, $server, $files ?? $_FILES)
+            ->withQueryParams($get ?? $_GET)
+            ->withParsedBody($post ?? $_POST)
+            ->withCookieParams($cookie ?? $_COOKIE)
+            ->withBody($body ?? $this->createStreamFromFile('php://input', 'r+'));
+    }
+
+    public function createStream(string $content = ''): StreamInterface
+    {
+        $factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
+
+        return $factory->createStream($content);
+    }
+
+    public function createStreamFromFile(string $filename, string $mode = 'r'): StreamInterface
+    {
+        $factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
+
+        return $factory->createStreamFromFile($filename, $mode);
+    }
+
+    /**
+     * @param resource $resource
+     */
+    public function createStreamFromResource($resource): StreamInterface
+    {
+        $factory = $this->streamFactory ?? $this->setFactory(Psr17FactoryDiscovery::findStreamFactory());
+
+        return $factory->createStreamFromResource($resource);
+    }
+
+    public function createUploadedFile(StreamInterface $stream, int $size = null, int $error = \UPLOAD_ERR_OK, string $clientFilename = null, string $clientMediaType = null): UploadedFileInterface
+    {
+        $factory = $this->uploadedFileFactory ?? $this->setFactory(Psr17FactoryDiscovery::findUploadedFileFactory());
+
+        return $factory->createUploadedFile(...\func_get_args());
+    }
+
+    public function createUri(string $uri = ''): UriInterface
+    {
+        $factory = $this->uriFactory ?? $this->setFactory(Psr17FactoryDiscovery::findUriFactory());
+
+        return $factory->createUri(...\func_get_args());
+    }
+
+    public function createUriFromGlobals(array $server = null): UriInterface
+    {
+        return $this->buildUriFromGlobals($this->createUri(''), $server ?? $_SERVER);
+    }
+
+    private function setFactory($factory)
+    {
+        if (!$this->requestFactory && $factory instanceof RequestFactoryInterface) {
+            $this->requestFactory = $factory;
+        }
+        if (!$this->responseFactory && $factory instanceof ResponseFactoryInterface) {
+            $this->responseFactory = $factory;
+        }
+        if (!$this->serverRequestFactory && $factory instanceof ServerRequestFactoryInterface) {
+            $this->serverRequestFactory = $factory;
+        }
+        if (!$this->streamFactory && $factory instanceof StreamFactoryInterface) {
+            $this->streamFactory = $factory;
+        }
+        if (!$this->uploadedFileFactory && $factory instanceof UploadedFileFactoryInterface) {
+            $this->uploadedFileFactory = $factory;
+        }
+        if (!$this->uriFactory && $factory instanceof UriFactoryInterface) {
+            $this->uriFactory = $factory;
+        }
+
+        return $factory;
+    }
+
+    private function buildServerRequestFromGlobals(ServerRequestInterface $request, array $server, array $files): ServerRequestInterface
+    {
+        $request = $request
+            ->withProtocolVersion(isset($server['SERVER_PROTOCOL']) ? str_replace('HTTP/', '', $server['SERVER_PROTOCOL']) : '1.1')
+            ->withUploadedFiles($this->normalizeFiles($files));
+
+        $headers = [];
+        foreach ($server as $k => $v) {
+            if (0 === strpos($k, 'HTTP_')) {
+                $k = substr($k, 5);
+            } elseif (!\in_array($k, ['CONTENT_TYPE', 'CONTENT_LENGTH', 'CONTENT_MD5'], true)) {
+                continue;
+            }
+            $k = str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', $k))));
+
+            $headers[$k] = $v;
+        }
+
+        if (!isset($headers['Authorization'])) {
+            if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) {
+                $headers['Authorization'] = $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
+            } elseif (isset($_SERVER['PHP_AUTH_USER'])) {
+                $headers['Authorization'] = 'Basic '.base64_encode($_SERVER['PHP_AUTH_USER'].':'.($_SERVER['PHP_AUTH_PW'] ?? ''));
+            } elseif (isset($_SERVER['PHP_AUTH_DIGEST'])) {
+                $headers['Authorization'] = $_SERVER['PHP_AUTH_DIGEST'];
+            }
+        }
+
+        foreach ($headers as $k => $v) {
+            try {
+                $request = $request->withHeader($k, $v);
+            } catch (\InvalidArgumentException $e) {
+                // ignore invalid headers
+            }
+        }
+
+        return $request;
+    }
+
+    private function buildUriFromGlobals(UriInterface $uri, array $server): UriInterface
+    {
+        $uri = $uri->withScheme(!empty($server['HTTPS']) && 'off' !== strtolower($server['HTTPS']) ? 'https' : 'http');
+
+        $hasPort = false;
+        if (isset($server['HTTP_HOST'])) {
+            $parts = parse_url('http://'.$server['HTTP_HOST']);
+
+            $uri = $uri->withHost($parts['host'] ?? 'localhost');
+
+            if ($parts['port'] ?? false) {
+                $hasPort = true;
+                $uri = $uri->withPort($parts['port']);
+            }
+        } else {
+            $uri = $uri->withHost($server['SERVER_NAME'] ?? $server['SERVER_ADDR'] ?? 'localhost');
+        }
+
+        if (!$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;
+    }
+
+    private function normalizeFiles(array $files): array
+    {
+        foreach ($files as $k => $v) {
+            if ($v instanceof UploadedFileInterface) {
+                continue;
+            }
+            if (!\is_array($v)) {
+                unset($files[$k]);
+            } elseif (!isset($v['tmp_name'])) {
+                $files[$k] = $this->normalizeFiles($v);
+            } else {
+                $files[$k] = $this->createUploadedFileFromSpec($v);
+            }
+        }
+
+        return $files;
+    }
+
+    /**
+     * Create and return an UploadedFile instance from a $_FILES specification.
+     *
+     * @param array $value $_FILES struct
+     *
+     * @return UploadedFileInterface|UploadedFileInterface[]
+     */
+    private function createUploadedFileFromSpec(array $value)
+    {
+        if (!is_array($tmpName = $value['tmp_name'])) {
+            $file = is_file($tmpName) ? $this->createStreamFromFile($tmpName, 'r') : $this->createStream();
+
+            return $this->createUploadedFile($file, $value['size'], $value['error'], $value['name'], $value['type']);
+        }
+
+        foreach ($tmpName as $k => $v) {
+            $tmpName[$k] = $this->createUploadedFileFromSpec([
+                'tmp_name' => $v,
+                'size' => $value['size'][$k] ?? null,
+                'error' => $value['error'][$k] ?? null,
+                'name' => $value['name'][$k] ?? null,
+                'type' => $value['type'][$k] ?? null,
+            ]);
+        }
+
+        return $tmpName;
+    }
+}

pancake/system/vendor/php-http/discovery/src/Psr17FactoryDiscovery.php

@@ -0,0 +1,136 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+
+/**
+ * Finds PSR-17 factories.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class Psr17FactoryDiscovery extends ClassDiscovery
+{
+    private static function createException($type, Exception $e)
+    {
+        return new \Http\Discovery\Exception\NotFoundException(
+            'No PSR-17 '.$type.' found. Install a package from this list: https://packagist.org/providers/psr/http-factory-implementation',
+            0,
+            $e
+        );
+    }
+
+    /**
+     * @return RequestFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findRequestFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(RequestFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('request factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return ResponseFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findResponseFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(ResponseFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('response factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return ServerRequestFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findServerRequestFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(ServerRequestFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('server request factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return StreamFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findStreamFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(StreamFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('stream factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return UploadedFileFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findUploadedFileFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(UploadedFileFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('uploaded file factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return UriFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function findUriFactory()
+    {
+        try {
+            $messageFactory = static::findOneByType(UriFactoryInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw self::createException('url factory', $e);
+        }
+
+        return static::instantiateClass($messageFactory);
+    }
+
+    /**
+     * @return UriFactoryInterface
+     *
+     * @throws Exception\NotFoundException
+     *
+     * @deprecated This will be removed in 2.0. Consider using the findUriFactory() method.
+     */
+    public static function findUrlFactory()
+    {
+        return static::findUriFactory();
+    }
+}

pancake/system/vendor/php-http/discovery/src/Psr18Client.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Http\Discovery;
+
+use Psr\Http\Client\ClientInterface;
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+
+/**
+ * A generic PSR-18 and PSR-17 implementation.
+ *
+ * You can create this class with concrete client and factory instances
+ * or let it use discovery to find suitable implementations as needed.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class Psr18Client extends Psr17Factory implements ClientInterface
+{
+    private $client;
+
+    public function __construct(
+        ClientInterface $client = null,
+        RequestFactoryInterface $requestFactory = null,
+        ResponseFactoryInterface $responseFactory = null,
+        ServerRequestFactoryInterface $serverRequestFactory = null,
+        StreamFactoryInterface $streamFactory = null,
+        UploadedFileFactoryInterface $uploadedFileFactory = null,
+        UriFactoryInterface $uriFactory = null
+    ) {
+        parent::__construct($requestFactory, $responseFactory, $serverRequestFactory, $streamFactory, $uploadedFileFactory, $uriFactory);
+
+        $this->client = $client ?? Psr18ClientDiscovery::find();
+    }
+
+    public function sendRequest(RequestInterface $request): ResponseInterface
+    {
+        return $this->client->sendRequest($request);
+    }
+}

pancake/system/vendor/php-http/discovery/src/Psr18ClientDiscovery.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Psr\Http\Client\ClientInterface;
+
+/**
+ * Finds a PSR-18 HTTP Client.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class Psr18ClientDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds a PSR-18 HTTP Client.
+     *
+     * @return ClientInterface
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $client = static::findOneByType(ClientInterface::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new \Http\Discovery\Exception\NotFoundException('No PSR-18 clients found. Make sure to install a package providing "psr/http-client-implementation". Example: "php-http/guzzle7-adapter".', 0, $e);
+        }
+
+        return static::instantiateClass($client);
+    }
+}

pancake/system/vendor/php-http/discovery/src/Strategy/CommonClassesStrategy.php

@@ -0,0 +1,180 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use GuzzleHttp\Client as GuzzleHttp;
+use GuzzleHttp\Promise\Promise;
+use GuzzleHttp\Psr7\Request as GuzzleRequest;
+use Http\Adapter\Artax\Client as Artax;
+use Http\Adapter\Buzz\Client as Buzz;
+use Http\Adapter\Cake\Client as Cake;
+use Http\Adapter\Guzzle5\Client as Guzzle5;
+use Http\Adapter\Guzzle6\Client as Guzzle6;
+use Http\Adapter\Guzzle7\Client as Guzzle7;
+use Http\Adapter\React\Client as React;
+use Http\Client\Curl\Client as Curl;
+use Http\Client\HttpAsyncClient;
+use Http\Client\HttpClient;
+use Http\Client\Socket\Client as Socket;
+use Http\Discovery\ClassDiscovery;
+use Http\Discovery\Exception\NotFoundException;
+use Http\Discovery\Psr17FactoryDiscovery;
+use Http\Message\MessageFactory;
+use Http\Message\MessageFactory\DiactorosMessageFactory;
+use Http\Message\MessageFactory\GuzzleMessageFactory;
+use Http\Message\MessageFactory\SlimMessageFactory;
+use Http\Message\StreamFactory;
+use Http\Message\StreamFactory\DiactorosStreamFactory;
+use Http\Message\StreamFactory\GuzzleStreamFactory;
+use Http\Message\StreamFactory\SlimStreamFactory;
+use Http\Message\UriFactory;
+use Http\Message\UriFactory\DiactorosUriFactory;
+use Http\Message\UriFactory\GuzzleUriFactory;
+use Http\Message\UriFactory\SlimUriFactory;
+use Laminas\Diactoros\Request as DiactorosRequest;
+use Nyholm\Psr7\Factory\HttplugFactory as NyholmHttplugFactory;
+use Psr\Http\Client\ClientInterface as Psr18Client;
+use Psr\Http\Message\RequestFactoryInterface as Psr17RequestFactory;
+use Slim\Http\Request as SlimRequest;
+use Symfony\Component\HttpClient\HttplugClient as SymfonyHttplug;
+use Symfony\Component\HttpClient\Psr18Client as SymfonyPsr18;
+
+/**
+ * @internal
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * Don't miss updating src/Composer/Plugin.php when adding a new supported class.
+ */
+final class CommonClassesStrategy implements DiscoveryStrategy
+{
+    /**
+     * @var array
+     */
+    private static $classes = [
+        MessageFactory::class => [
+            ['class' => NyholmHttplugFactory::class, 'condition' => [NyholmHttplugFactory::class]],
+            ['class' => GuzzleMessageFactory::class, 'condition' => [GuzzleRequest::class, GuzzleMessageFactory::class]],
+            ['class' => DiactorosMessageFactory::class, 'condition' => [DiactorosRequest::class, DiactorosMessageFactory::class]],
+            ['class' => SlimMessageFactory::class, 'condition' => [SlimRequest::class, SlimMessageFactory::class]],
+        ],
+        StreamFactory::class => [
+            ['class' => NyholmHttplugFactory::class, 'condition' => [NyholmHttplugFactory::class]],
+            ['class' => GuzzleStreamFactory::class, 'condition' => [GuzzleRequest::class, GuzzleStreamFactory::class]],
+            ['class' => DiactorosStreamFactory::class, 'condition' => [DiactorosRequest::class, DiactorosStreamFactory::class]],
+            ['class' => SlimStreamFactory::class, 'condition' => [SlimRequest::class, SlimStreamFactory::class]],
+        ],
+        UriFactory::class => [
+            ['class' => NyholmHttplugFactory::class, 'condition' => [NyholmHttplugFactory::class]],
+            ['class' => GuzzleUriFactory::class, 'condition' => [GuzzleRequest::class, GuzzleUriFactory::class]],
+            ['class' => DiactorosUriFactory::class, 'condition' => [DiactorosRequest::class, DiactorosUriFactory::class]],
+            ['class' => SlimUriFactory::class, 'condition' => [SlimRequest::class, SlimUriFactory::class]],
+        ],
+        HttpAsyncClient::class => [
+            ['class' => SymfonyHttplug::class, 'condition' => [SymfonyHttplug::class, Promise::class, [self::class, 'isPsr17FactoryInstalled']]],
+            ['class' => Guzzle7::class, 'condition' => Guzzle7::class],
+            ['class' => Guzzle6::class, 'condition' => Guzzle6::class],
+            ['class' => Curl::class, 'condition' => Curl::class],
+            ['class' => React::class, 'condition' => React::class],
+        ],
+        HttpClient::class => [
+            ['class' => SymfonyHttplug::class, 'condition' => [SymfonyHttplug::class, [self::class, 'isPsr17FactoryInstalled']]],
+            ['class' => Guzzle7::class, 'condition' => Guzzle7::class],
+            ['class' => Guzzle6::class, 'condition' => Guzzle6::class],
+            ['class' => Guzzle5::class, 'condition' => Guzzle5::class],
+            ['class' => Curl::class, 'condition' => Curl::class],
+            ['class' => Socket::class, 'condition' => Socket::class],
+            ['class' => Buzz::class, 'condition' => Buzz::class],
+            ['class' => React::class, 'condition' => React::class],
+            ['class' => Cake::class, 'condition' => Cake::class],
+            ['class' => Artax::class, 'condition' => Artax::class],
+            [
+                'class' => [self::class, 'buzzInstantiate'],
+                'condition' => [\Buzz\Client\FileGetContents::class, \Buzz\Message\ResponseBuilder::class],
+            ],
+        ],
+        Psr18Client::class => [
+            [
+                'class' => [self::class, 'symfonyPsr18Instantiate'],
+                'condition' => [SymfonyPsr18::class, Psr17RequestFactory::class],
+            ],
+            [
+                'class' => GuzzleHttp::class,
+                'condition' => [self::class, 'isGuzzleImplementingPsr18'],
+            ],
+            [
+                'class' => [self::class, 'buzzInstantiate'],
+                'condition' => [\Buzz\Client\FileGetContents::class, \Buzz\Message\ResponseBuilder::class],
+            ],
+        ],
+    ];
+
+    public static function getCandidates($type)
+    {
+        if (Psr18Client::class === $type) {
+            return self::getPsr18Candidates();
+        }
+
+        return self::$classes[$type] ?? [];
+    }
+
+    /**
+     * @return array The return value is always an array with zero or more elements. Each
+     *               element is an array with two keys ['class' => string, 'condition' => mixed].
+     */
+    private static function getPsr18Candidates()
+    {
+        $candidates = self::$classes[Psr18Client::class];
+
+        // HTTPlug 2.0 clients implements PSR18Client too.
+        foreach (self::$classes[HttpClient::class] as $c) {
+            if (!is_string($c['class'])) {
+                continue;
+            }
+            try {
+                if (ClassDiscovery::safeClassExists($c['class']) && is_subclass_of($c['class'], Psr18Client::class)) {
+                    $candidates[] = $c;
+                }
+            } catch (\Throwable $e) {
+                trigger_error(sprintf('Got exception "%s (%s)" while checking if a PSR-18 Client is available', get_class($e), $e->getMessage()), E_USER_WARNING);
+            }
+        }
+
+        return $candidates;
+    }
+
+    public static function buzzInstantiate()
+    {
+        return new \Buzz\Client\FileGetContents(Psr17FactoryDiscovery::findResponseFactory());
+    }
+
+    public static function symfonyPsr18Instantiate()
+    {
+        return new SymfonyPsr18(null, Psr17FactoryDiscovery::findResponseFactory(), Psr17FactoryDiscovery::findStreamFactory());
+    }
+
+    public static function isGuzzleImplementingPsr18()
+    {
+        return defined('GuzzleHttp\ClientInterface::MAJOR_VERSION');
+    }
+
+    /**
+     * Can be used as a condition.
+     *
+     * @return bool
+     */
+    public static function isPsr17FactoryInstalled()
+    {
+        try {
+            Psr17FactoryDiscovery::findResponseFactory();
+        } catch (NotFoundException $e) {
+            return false;
+        } catch (\Throwable $e) {
+            trigger_error(sprintf('Got exception "%s (%s)" while checking if a PSR-17 ResponseFactory is available', get_class($e), $e->getMessage()), E_USER_WARNING);
+
+            return false;
+        }
+
+        return true;
+    }
+}

pancake/system/vendor/php-http/discovery/src/Strategy/CommonPsr17ClassesStrategy.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use Psr\Http\Message\RequestFactoryInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
+use Psr\Http\Message\ServerRequestFactoryInterface;
+use Psr\Http\Message\StreamFactoryInterface;
+use Psr\Http\Message\UploadedFileFactoryInterface;
+use Psr\Http\Message\UriFactoryInterface;
+
+/**
+ * @internal
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * Don't miss updating src/Composer/Plugin.php when adding a new supported class.
+ */
+final class CommonPsr17ClassesStrategy implements DiscoveryStrategy
+{
+    /**
+     * @var array
+     */
+    private static $classes = [
+        RequestFactoryInterface::class => [
+            'Phalcon\Http\Message\RequestFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\RequestFactory',
+            'Http\Factory\Guzzle\RequestFactory',
+            'Http\Factory\Slim\RequestFactory',
+            'Laminas\Diactoros\RequestFactory',
+            'Slim\Psr7\Factory\RequestFactory',
+            'HttpSoft\Message\RequestFactory',
+        ],
+        ResponseFactoryInterface::class => [
+            'Phalcon\Http\Message\ResponseFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\ResponseFactory',
+            'Http\Factory\Guzzle\ResponseFactory',
+            'Http\Factory\Slim\ResponseFactory',
+            'Laminas\Diactoros\ResponseFactory',
+            'Slim\Psr7\Factory\ResponseFactory',
+            'HttpSoft\Message\ResponseFactory',
+        ],
+        ServerRequestFactoryInterface::class => [
+            'Phalcon\Http\Message\ServerRequestFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\ServerRequestFactory',
+            'Http\Factory\Guzzle\ServerRequestFactory',
+            'Http\Factory\Slim\ServerRequestFactory',
+            'Laminas\Diactoros\ServerRequestFactory',
+            'Slim\Psr7\Factory\ServerRequestFactory',
+            'HttpSoft\Message\ServerRequestFactory',
+        ],
+        StreamFactoryInterface::class => [
+            'Phalcon\Http\Message\StreamFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\StreamFactory',
+            'Http\Factory\Guzzle\StreamFactory',
+            'Http\Factory\Slim\StreamFactory',
+            'Laminas\Diactoros\StreamFactory',
+            'Slim\Psr7\Factory\StreamFactory',
+            'HttpSoft\Message\StreamFactory',
+        ],
+        UploadedFileFactoryInterface::class => [
+            'Phalcon\Http\Message\UploadedFileFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\UploadedFileFactory',
+            'Http\Factory\Guzzle\UploadedFileFactory',
+            'Http\Factory\Slim\UploadedFileFactory',
+            'Laminas\Diactoros\UploadedFileFactory',
+            'Slim\Psr7\Factory\UploadedFileFactory',
+            'HttpSoft\Message\UploadedFileFactory',
+        ],
+        UriFactoryInterface::class => [
+            'Phalcon\Http\Message\UriFactory',
+            'Nyholm\Psr7\Factory\Psr17Factory',
+            'GuzzleHttp\Psr7\HttpFactory',
+            'Http\Factory\Diactoros\UriFactory',
+            'Http\Factory\Guzzle\UriFactory',
+            'Http\Factory\Slim\UriFactory',
+            'Laminas\Diactoros\UriFactory',
+            'Slim\Psr7\Factory\UriFactory',
+            'HttpSoft\Message\UriFactory',
+        ],
+    ];
+
+    public static function getCandidates($type)
+    {
+        $candidates = [];
+        if (isset(self::$classes[$type])) {
+            foreach (self::$classes[$type] as $class) {
+                $candidates[] = ['class' => $class, 'condition' => [$class]];
+            }
+        }
+
+        return $candidates;
+    }
+}

pancake/system/vendor/php-http/discovery/src/Strategy/DiscoveryStrategy.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use Http\Discovery\Exception\StrategyUnavailableException;
+
+/**
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+interface DiscoveryStrategy
+{
+    /**
+     * Find a resource of a specific type.
+     *
+     * @param string $type
+     *
+     * @return array The return value is always an array with zero or more elements. Each
+     *               element is an array with two keys ['class' => string, 'condition' => mixed].
+     *
+     * @throws StrategyUnavailableException if we cannot use this strategy
+     */
+    public static function getCandidates($type);
+}

pancake/system/vendor/php-http/discovery/src/Strategy/MockClientStrategy.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use Http\Client\HttpAsyncClient;
+use Http\Client\HttpClient;
+use Http\Mock\Client as Mock;
+
+/**
+ * Find the Mock client.
+ *
+ * @author Sam Rapaport <me@samrapdev.com>
+ */
+final class MockClientStrategy implements DiscoveryStrategy
+{
+    public static function getCandidates($type)
+    {
+        if (is_a(HttpClient::class, $type, true) || is_a(HttpAsyncClient::class, $type, true)) {
+            return [['class' => Mock::class, 'condition' => Mock::class]];
+        }
+
+        return [];
+    }
+}

pancake/system/vendor/php-http/discovery/src/Strategy/PuliBetaStrategy.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace Http\Discovery\Strategy;
+
+use Http\Discovery\ClassDiscovery;
+use Http\Discovery\Exception\PuliUnavailableException;
+use Puli\Discovery\Api\Discovery;
+use Puli\GeneratedPuliFactory;
+
+/**
+ * Find candidates using Puli.
+ *
+ * @internal
+ *
+ * @final
+ *
+ * @author David de Boer <david@ddeboer.nl>
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ */
+class PuliBetaStrategy implements DiscoveryStrategy
+{
+    /**
+     * @var GeneratedPuliFactory
+     */
+    protected static $puliFactory;
+
+    /**
+     * @var Discovery
+     */
+    protected static $puliDiscovery;
+
+    /**
+     * @return GeneratedPuliFactory
+     *
+     * @throws PuliUnavailableException
+     */
+    private static function getPuliFactory()
+    {
+        if (null === self::$puliFactory) {
+            if (!defined('PULI_FACTORY_CLASS')) {
+                throw new PuliUnavailableException('Puli Factory is not available');
+            }
+
+            $puliFactoryClass = PULI_FACTORY_CLASS;
+
+            if (!ClassDiscovery::safeClassExists($puliFactoryClass)) {
+                throw new PuliUnavailableException('Puli Factory class does not exist');
+            }
+
+            self::$puliFactory = new $puliFactoryClass();
+        }
+
+        return self::$puliFactory;
+    }
+
+    /**
+     * Returns the Puli discovery layer.
+     *
+     * @return Discovery
+     *
+     * @throws PuliUnavailableException
+     */
+    private static function getPuliDiscovery()
+    {
+        if (!isset(self::$puliDiscovery)) {
+            $factory = self::getPuliFactory();
+            $repository = $factory->createRepository();
+
+            self::$puliDiscovery = $factory->createDiscovery($repository);
+        }
+
+        return self::$puliDiscovery;
+    }
+
+    public static function getCandidates($type)
+    {
+        $returnData = [];
+        $bindings = self::getPuliDiscovery()->findBindings($type);
+
+        foreach ($bindings as $binding) {
+            $condition = true;
+            if ($binding->hasParameterValue('depends')) {
+                $condition = $binding->getParameterValue('depends');
+            }
+            $returnData[] = ['class' => $binding->getClassName(), 'condition' => $condition];
+        }
+
+        return $returnData;
+    }
+}

pancake/system/vendor/php-http/discovery/src/StreamFactoryDiscovery.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Http\Message\StreamFactory;
+
+/**
+ * Finds a Stream Factory.
+ *
+ * @author Михаил Красильников <m.krasilnikov@yandex.ru>
+ *
+ * @deprecated This will be removed in 2.0. Consider using Psr17FactoryDiscovery.
+ */
+final class StreamFactoryDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds a Stream Factory.
+     *
+     * @return StreamFactory
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $streamFactory = static::findOneByType(StreamFactory::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new NotFoundException('No stream factories found. To use Guzzle, Diactoros or Slim Framework factories install php-http/message and the chosen message implementation.', 0, $e);
+        }
+
+        return static::instantiateClass($streamFactory);
+    }
+}

pancake/system/vendor/php-http/discovery/src/UriFactoryDiscovery.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace Http\Discovery;
+
+use Http\Discovery\Exception\DiscoveryFailedException;
+use Http\Message\UriFactory;
+
+/**
+ * Finds a URI Factory.
+ *
+ * @author David de Boer <david@ddeboer.nl>
+ *
+ * @deprecated This will be removed in 2.0. Consider using Psr17FactoryDiscovery.
+ */
+final class UriFactoryDiscovery extends ClassDiscovery
+{
+    /**
+     * Finds a URI Factory.
+     *
+     * @return UriFactory
+     *
+     * @throws Exception\NotFoundException
+     */
+    public static function find()
+    {
+        try {
+            $uriFactory = static::findOneByType(UriFactory::class);
+        } catch (DiscoveryFailedException $e) {
+            throw new NotFoundException('No uri factories found. To use Guzzle, Diactoros or Slim Framework factories install php-http/message and the chosen message implementation.', 0, $e);
+        }
+
+        return static::instantiateClass($uriFactory);
+    }
+}