the whole shebang

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/.gitignore

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+vendor/
+composer.lock
+phpunit.xml
+Tests/ProjectContainer.php
+Tests/classes.map

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Bundle/Bundle.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Bundle;
+
+use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\Console\Application;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+
+/**
+ * An implementation of BundleInterface that adds a few conventions
+ * for DependencyInjection extensions and Console commands.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+abstract class Bundle extends ContainerAware implements BundleInterface
+{
+    protected $name;
+    protected $reflected;
+    protected $extension;
+
+    /**
+     * Boots the Bundle.
+     */
+    public function boot()
+    {
+    }
+
+    /**
+     * Shutdowns the Bundle.
+     */
+    public function shutdown()
+    {
+    }
+
+    /**
+     * Builds the bundle.
+     *
+     * It is only ever called once when the cache is empty.
+     *
+     * This method can be overridden to register compilation passes,
+     * other extensions, ...
+     *
+     * @param ContainerBuilder $container A ContainerBuilder instance
+     */
+    public function build(ContainerBuilder $container)
+    {
+    }
+
+    /**
+     * Returns the bundle's container extension.
+     *
+     * @return ExtensionInterface|null The container extension
+     *
+     * @throws \LogicException
+     *
+     * @api
+     */
+    public function getContainerExtension()
+    {
+        if (null === $this->extension) {
+            $basename = preg_replace('/Bundle$/', '', $this->getName());
+
+            $class = $this->getNamespace().'\\DependencyInjection\\'.$basename.'Extension';
+            if (class_exists($class)) {
+                $extension = new $class();
+
+                // check naming convention
+                $expectedAlias = Container::underscore($basename);
+                if ($expectedAlias != $extension->getAlias()) {
+                    throw new \LogicException(sprintf(
+                        'The extension alias for the default extension of a '.
+                        'bundle must be the underscored version of the '.
+                        'bundle name ("%s" instead of "%s")',
+                        $expectedAlias, $extension->getAlias()
+                    ));
+                }
+
+                $this->extension = $extension;
+            } else {
+                $this->extension = false;
+            }
+        }
+
+        if ($this->extension) {
+            return $this->extension;
+        }
+    }
+
+    /**
+     * Gets the Bundle namespace.
+     *
+     * @return string The Bundle namespace
+     *
+     * @api
+     */
+    public function getNamespace()
+    {
+        if (null === $this->reflected) {
+            $this->reflected = new \ReflectionObject($this);
+        }
+
+        return $this->reflected->getNamespaceName();
+    }
+
+    /**
+     * Gets the Bundle directory path.
+     *
+     * @return string The Bundle absolute path
+     *
+     * @api
+     */
+    public function getPath()
+    {
+        if (null === $this->reflected) {
+            $this->reflected = new \ReflectionObject($this);
+        }
+
+        return dirname($this->reflected->getFileName());
+    }
+
+    /**
+     * Returns the bundle parent name.
+     *
+     * @return string The Bundle parent name it overrides or null if no parent
+     *
+     * @api
+     */
+    public function getParent()
+    {
+        return null;
+    }
+
+    /**
+     * Returns the bundle name (the class short name).
+     *
+     * @return string The Bundle name
+     *
+     * @api
+     */
+    final public function getName()
+    {
+        if (null !== $this->name) {
+            return $this->name;
+        }
+
+        $name = get_class($this);
+        $pos = strrpos($name, '\\');
+
+        return $this->name = false === $pos ? $name :  substr($name, $pos + 1);
+    }
+
+    /**
+     * Finds and registers Commands.
+     *
+     * Override this method if your bundle commands do not follow the conventions:
+     *
+     * * Commands are in the 'Command' sub-directory
+     * * Commands extend Symfony\Component\Console\Command\Command
+     *
+     * @param Application $application An Application instance
+     */
+    public function registerCommands(Application $application)
+    {
+        if (!is_dir($dir = $this->getPath().'/Command')) {
+            return;
+        }
+
+        $finder = new Finder();
+        $finder->files()->name('*Command.php')->in($dir);
+
+        $prefix = $this->getNamespace().'\\Command';
+        foreach ($finder as $file) {
+            $ns = $prefix;
+            if ($relativePath = $file->getRelativePath()) {
+                $ns .= '\\'.strtr($relativePath, '/', '\\');
+            }
+            $r = new \ReflectionClass($ns.'\\'.$file->getBasename('.php'));
+            if ($r->isSubclassOf('Symfony\\Component\\Console\\Command\\Command') && !$r->isAbstract() && !$r->getConstructor()->getNumberOfRequiredParameters()) {
+                $application->add($r->newInstance());
+            }
+        }
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Bundle/BundleInterface.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Bundle;
+
+use Symfony\Component\DependencyInjection\ContainerAwareInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+
+/**
+ * BundleInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface BundleInterface extends ContainerAwareInterface
+{
+    /**
+     * Boots the Bundle.
+     *
+     * @api
+     */
+    public function boot();
+
+    /**
+     * Shutdowns the Bundle.
+     *
+     * @api
+     */
+    public function shutdown();
+
+    /**
+     * Builds the bundle.
+     *
+     * It is only ever called once when the cache is empty.
+     *
+     * @param ContainerBuilder $container A ContainerBuilder instance
+     *
+     * @api
+     */
+    public function build(ContainerBuilder $container);
+
+    /**
+     * Returns the container extension that should be implicitly loaded.
+     *
+     * @return ExtensionInterface|null The default extension or null if there is none
+     *
+     * @api
+     */
+    public function getContainerExtension();
+
+    /**
+     * Returns the bundle name that this bundle overrides.
+     *
+     * Despite its name, this method does not imply any parent/child relationship
+     * between the bundles, just a way to extend and override an existing
+     * bundle.
+     *
+     * @return string The Bundle name it overrides or null if no parent
+     *
+     * @api
+     */
+    public function getParent();
+
+    /**
+     * Returns the bundle name (the class short name).
+     *
+     * @return string The Bundle name
+     *
+     * @api
+     */
+    public function getName();
+
+    /**
+     * Gets the Bundle namespace.
+     *
+     * @return string The Bundle namespace
+     *
+     * @api
+     */
+    public function getNamespace();
+
+    /**
+     * Gets the Bundle directory path.
+     *
+     * The path should always be returned as a Unix path (with /).
+     *
+     * @return string The Bundle absolute path
+     *
+     * @api
+     */
+    public function getPath();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CHANGELOG.md

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+CHANGELOG
+=========
+
+2.3.0
+-----
+
+ * [BC BREAK] renamed `Symfony\Component\HttpKernel\EventListener\DeprecationLoggerListener` to `Symfony\Component\HttpKernel\EventListener\ErrorsLoggerListener` and changed its constructor
+ * deprecated `Symfony\Component\HttpKernel\Debug\ErrorHandler`, `Symfony\Component\HttpKernel\Debug\ExceptionHandler`,
+   `Symfony\Component\HttpKernel\Exception\FatalErrorException`, and `Symfony\Component\HttpKernel\Exception\FlattenException`
+ * deprecated `Symfony\Component\HttpKernel\Kernel::init()``
+ * added the possibility to specify an id an extra attributes to hinclude tags
+ * added the collect of data if a controller is a Closure in the Request collector
+ * pass exceptions from the ExceptionListener to the logger using the logging context to allow for more
+   detailed messages
+
+2.2.0
+-----
+
+ * [BC BREAK] the path info for sub-request is now always _fragment (or whatever you configured instead of the default)
+ * added Symfony\Component\HttpKernel\EventListener\FragmentListener
+ * added Symfony\Component\HttpKernel\UriSigner
+ * added Symfony\Component\HttpKernel\FragmentRenderer and rendering strategies (in Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface)
+ * added Symfony\Component\HttpKernel\DependencyInjection\ContainerAwareHttpKernel
+ * added ControllerReference to create reference of Controllers (used in the FragmentRenderer class)
+ * [BC BREAK] renamed TimeDataCollector::getTotalTime() to
+   TimeDataCollector::getDuration()
+ * updated the MemoryDataCollector to include the memory used in the
+   kernel.terminate event listeners
+ * moved the Stopwatch classes to a new component
+ * added TraceableControllerResolver
+ * added TraceableEventDispatcher (removed ContainerAwareTraceableEventDispatcher)
+ * added support for WinCache opcode cache in ConfigDataCollector
+
+2.1.0
+-----
+
+ * [BC BREAK] the charset is now configured via the Kernel::getCharset() method
+ * [BC BREAK] the current locale for the user is not stored anymore in the session
+ * added the HTTP method to the profiler storage
+ * updated all listeners to implement EventSubscriberInterface
+ * added TimeDataCollector
+ * added ContainerAwareTraceableEventDispatcher
+ * moved TraceableEventDispatcherInterface to the EventDispatcher component
+ * added RouterListener, LocaleListener, and StreamedResponseListener
+ * added CacheClearerInterface (and ChainCacheClearer)
+ * added a kernel.terminate event (via TerminableInterface and PostResponseEvent)
+ * added a Stopwatch class
+ * added WarmableInterface
+ * improved extensibility between bundles
+ * added profiler storages for Memcache(d), File-based, MongoDB, Redis
+ * moved Filesystem class to its own component

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheClearer/CacheClearerInterface.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheClearer;
+
+/**
+ * CacheClearerInterface.
+ *
+ * @author Dustin Dobervich <ddobervich@gmail.com>
+ */
+interface CacheClearerInterface
+{
+    /**
+     * Clears any caches necessary.
+     *
+     * @param string $cacheDir The cache directory.
+     */
+    public function clear($cacheDir);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheClearer/ChainCacheClearer.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheClearer;
+
+/**
+ * ChainCacheClearer.
+ *
+ * @author Dustin Dobervich <ddobervich@gmail.com>
+ */
+class ChainCacheClearer implements CacheClearerInterface
+{
+    /**
+     * @var array $clearers
+     */
+    protected $clearers;
+
+    /**
+     * Constructs a new instance of ChainCacheClearer.
+     *
+     * @param array $clearers The initial clearers.
+     */
+    public function __construct(array $clearers = array())
+    {
+        $this->clearers = $clearers;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function clear($cacheDir)
+    {
+        foreach ($this->clearers as $clearer) {
+            $clearer->clear($cacheDir);
+        }
+    }
+
+    /**
+     * Adds a cache clearer to the aggregate.
+     *
+     * @param CacheClearerInterface $clearer
+     */
+    public function add(CacheClearerInterface $clearer)
+    {
+        $this->clearers[] = $clearer;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheWarmer/CacheWarmer.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ * Abstract cache warmer that knows how to write a file to the cache.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class CacheWarmer implements CacheWarmerInterface
+{
+    protected function writeCacheFile($file, $content)
+    {
+        $tmpFile = tempnam(dirname($file), basename($file));
+        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
+            @chmod($file, 0666 & ~umask());
+
+            return;
+        }
+
+        throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheWarmer/CacheWarmerAggregate.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ * Aggregates several cache warmers into a single one.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CacheWarmerAggregate implements CacheWarmerInterface
+{
+    protected $warmers;
+    protected $optionalsEnabled;
+
+    public function __construct(array $warmers = array())
+    {
+        $this->setWarmers($warmers);
+        $this->optionalsEnabled = false;
+    }
+
+    public function enableOptionalWarmers()
+    {
+        $this->optionalsEnabled = true;
+    }
+
+    /**
+     * Warms up the cache.
+     *
+     * @param string $cacheDir The cache directory
+     */
+    public function warmUp($cacheDir)
+    {
+        foreach ($this->warmers as $warmer) {
+            if (!$this->optionalsEnabled && $warmer->isOptional()) {
+                continue;
+            }
+
+            $warmer->warmUp($cacheDir);
+        }
+    }
+
+    /**
+     * Checks whether this warmer is optional or not.
+     *
+     * @return Boolean always true
+     */
+    public function isOptional()
+    {
+        return false;
+    }
+
+    public function setWarmers(array $warmers)
+    {
+        $this->warmers = array();
+        foreach ($warmers as $warmer) {
+            $this->add($warmer);
+        }
+    }
+
+    public function add(CacheWarmerInterface $warmer)
+    {
+        $this->warmers[] = $warmer;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheWarmer/CacheWarmerInterface.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ * Interface for classes able to warm up the cache.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface CacheWarmerInterface extends WarmableInterface
+{
+    /**
+     * Checks whether this warmer is optional or not.
+     *
+     * Optional warmers can be ignored on certain conditions.
+     *
+     * A warmer should return true if the cache can be
+     * generated incrementally and on-demand.
+     *
+     * @return Boolean true if the warmer is optional, false otherwise
+     */
+    public function isOptional();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/CacheWarmer/WarmableInterface.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\CacheWarmer;
+
+/**
+ * Interface for classes that support warming their cache.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface WarmableInterface
+{
+    /**
+     * Warms up the cache.
+     *
+     * @param string $cacheDir The cache directory
+     */
+    public function warmUp($cacheDir);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Client.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\BrowserKit\Client as BaseClient;
+use Symfony\Component\BrowserKit\Request as DomRequest;
+use Symfony\Component\BrowserKit\Response as DomResponse;
+use Symfony\Component\BrowserKit\Cookie as DomCookie;
+use Symfony\Component\BrowserKit\History;
+use Symfony\Component\BrowserKit\CookieJar;
+use Symfony\Component\HttpKernel\TerminableInterface;
+
+/**
+ * Client simulates a browser and makes requests to a Kernel object.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class Client extends BaseClient
+{
+    protected $kernel;
+
+    /**
+     * Constructor.
+     *
+     * @param HttpKernelInterface $kernel    An HttpKernel instance
+     * @param array               $server    The server parameters (equivalent of $_SERVER)
+     * @param History             $history   A History instance to store the browser history
+     * @param CookieJar           $cookieJar A CookieJar instance to store the cookies
+     */
+    public function __construct(HttpKernelInterface $kernel, array $server = array(), History $history = null, CookieJar $cookieJar = null)
+    {
+        $this->kernel = $kernel;
+
+        parent::__construct($server, $history, $cookieJar);
+
+        $this->followRedirects = false;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return Request|null A Request instance
+     */
+    public function getRequest()
+    {
+        return parent::getRequest();
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @return Response|null A Response instance
+     */
+    public function getResponse()
+    {
+        return parent::getResponse();
+    }
+
+    /**
+     * Makes a request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Response A Response instance
+     */
+    protected function doRequest($request)
+    {
+        $response = $this->kernel->handle($request);
+
+        if ($this->kernel instanceof TerminableInterface) {
+            $this->kernel->terminate($request, $response);
+        }
+
+        return $response;
+    }
+
+    /**
+     * Returns the script to execute when the request must be insulated.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return string
+     */
+    protected function getScript($request)
+    {
+        $kernel = str_replace("'", "\\'", serialize($this->kernel));
+        $request = str_replace("'", "\\'", serialize($request));
+
+        $r = new \ReflectionClass('\\Symfony\\Component\\ClassLoader\\ClassLoader');
+        $requirePath = str_replace("'", "\\'", $r->getFileName());
+        $symfonyPath = str_replace("'", "\\'", realpath(__DIR__.'/../../..'));
+
+        return <<<EOF
+<?php
+
+require_once '$requirePath';
+
+\$loader = new Symfony\Component\ClassLoader\ClassLoader();
+\$loader->addPrefix('Symfony', '$symfonyPath');
+\$loader->register();
+
+\$kernel = unserialize('$kernel');
+echo serialize(\$kernel->handle(unserialize('$request')));
+EOF;
+    }
+
+    /**
+     * Converts the BrowserKit request to a HttpKernel request.
+     *
+     * @param DomRequest $request A DomRequest instance
+     *
+     * @return Request A Request instance
+     */
+    protected function filterRequest(DomRequest $request)
+    {
+        $httpRequest = Request::create($request->getUri(), $request->getMethod(), $request->getParameters(), $request->getCookies(), $request->getFiles(), $request->getServer(), $request->getContent());
+
+        $httpRequest->files->replace($this->filterFiles($httpRequest->files->all()));
+
+        return $httpRequest;
+    }
+
+    /**
+     * Filters an array of files.
+     *
+     * This method created test instances of UploadedFile so that the move()
+     * method can be called on those instances.
+     *
+     * If the size of a file is greater than the allowed size (from php.ini) then
+     * an invalid UploadedFile is returned with an error set to UPLOAD_ERR_INI_SIZE.
+     *
+     * @see Symfony\Component\HttpFoundation\File\UploadedFile
+     *
+     * @param array $files An array of files
+     *
+     * @return array An array with all uploaded files marked as already moved
+     */
+    protected function filterFiles(array $files)
+    {
+        $filtered = array();
+        foreach ($files as $key => $value) {
+            if (is_array($value)) {
+                $filtered[$key] = $this->filterFiles($value);
+            } elseif ($value instanceof UploadedFile) {
+                if ($value->isValid() && $value->getSize() > UploadedFile::getMaxFilesize()) {
+                    $filtered[$key] = new UploadedFile(
+                        '',
+                        $value->getClientOriginalName(),
+                        $value->getClientMimeType(),
+                        0,
+                        UPLOAD_ERR_INI_SIZE,
+                        true
+                    );
+                } else {
+                    $filtered[$key] = new UploadedFile(
+                        $value->getPathname(),
+                        $value->getClientOriginalName(),
+                        $value->getClientMimeType(),
+                        $value->getClientSize(),
+                        $value->getError(),
+                        true
+                    );
+                }
+            } else {
+                $filtered[$key] = $value;
+            }
+        }
+
+        return $filtered;
+    }
+
+    /**
+     * Converts the HttpKernel response to a BrowserKit response.
+     *
+     * @param Response $response A Response instance
+     *
+     * @return DomResponse A DomResponse instance
+     */
+    protected function filterResponse($response)
+    {
+        $headers = $response->headers->all();
+        if ($response->headers->getCookies()) {
+            $cookies = array();
+            foreach ($response->headers->getCookies() as $cookie) {
+                $cookies[] = new DomCookie($cookie->getName(), $cookie->getValue(), $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());
+            }
+            $headers['Set-Cookie'] = $cookies;
+        }
+
+        // this is needed to support StreamedResponse
+        ob_start();
+        $response->sendContent();
+        $content = ob_get_clean();
+
+        return new DomResponse($content, $response->getStatusCode(), $headers);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Config/FileLocator.php

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+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Config;
+
+use Symfony\Component\Config\FileLocator as BaseFileLocator;
+use Symfony\Component\HttpKernel\KernelInterface;
+
+/**
+ * FileLocator uses the KernelInterface to locate resources in bundles.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FileLocator extends BaseFileLocator
+{
+    private $kernel;
+    private $path;
+
+    /**
+     * Constructor.
+     *
+     * @param KernelInterface $kernel A KernelInterface instance
+     * @param null|string     $path   The path the global resource directory
+     * @param array           $paths  An array of paths where to look for resources
+     */
+    public function __construct(KernelInterface $kernel, $path = null, array $paths = array())
+    {
+        $this->kernel = $kernel;
+        if (null !== $path) {
+            $this->path = $path;
+            $paths[] = $path;
+        }
+
+        parent::__construct($paths);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function locate($file, $currentPath = null, $first = true)
+    {
+        if ('@' === $file[0]) {
+            return $this->kernel->locateResource($file, $this->path, $first);
+        }
+
+        return parent::locate($file, $currentPath, $first);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Controller/ControllerReference.php

@@ -0,0 +1,45 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller;
+
+/**
+ * Acts as a marker and a data holder for a Controller.
+ *
+ * Some methods in Symfony accept both a URI (as a string) or a controller as
+ * an argument. In the latter case, instead of passing an array representing
+ * the controller, you can use an instance of this class.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @see Symfony\Component\HttpKernel\FragmentRenderer
+ * @see Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface
+ */
+class ControllerReference
+{
+    public $controller;
+    public $attributes = array();
+    public $query = array();
+
+    /**
+     * Constructor.
+     *
+     * @param string $controller The controller name
+     * @param array  $attributes An array of parameters to add to the Request attributes
+     * @param array  $query      An array of parameters to add to the Request query string
+     */
+    public function __construct($controller, array $attributes = array(), array $query = array())
+    {
+        $this->controller = $controller;
+        $this->attributes = $attributes;
+        $this->query = $query;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Controller/ControllerResolver.php

@@ -0,0 +1,164 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * ControllerResolver.
+ *
+ * This implementation uses the '_controller' request attribute to determine
+ * the controller to execute and uses the request attributes to determine
+ * the controller method arguments.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class ControllerResolver implements ControllerResolverInterface
+{
+    private $logger;
+
+    /**
+     * Constructor.
+     *
+     * @param LoggerInterface $logger A LoggerInterface instance
+     */
+    public function __construct(LoggerInterface $logger = null)
+    {
+        $this->logger = $logger;
+    }
+
+    /**
+     * Returns the Controller instance associated with a Request.
+     *
+     * This method looks for a '_controller' request attribute that represents
+     * the controller name (a string like ClassName::MethodName).
+     *
+     * @param Request $request A Request instance
+     *
+     * @return mixed|Boolean A PHP callable representing the Controller,
+     *                       or false if this resolver is not able to determine the controller
+     *
+     * @throws \InvalidArgumentException|\LogicException If the controller can't be found
+     *
+     * @api
+     */
+    public function getController(Request $request)
+    {
+        if (!$controller = $request->attributes->get('_controller')) {
+            if (null !== $this->logger) {
+                $this->logger->warning('Unable to look for the controller as the "_controller" parameter is missing');
+            }
+
+            return false;
+        }
+
+        if (is_array($controller) || (is_object($controller) && method_exists($controller, '__invoke'))) {
+            return $controller;
+        }
+
+        if (false === strpos($controller, ':')) {
+            if (method_exists($controller, '__invoke')) {
+                return new $controller;
+            } elseif (function_exists($controller)) {
+                return $controller;
+            }
+        }
+
+        $callable = $this->createController($controller);
+
+        if (!is_callable($callable)) {
+            throw new \InvalidArgumentException(sprintf('The controller for URI "%s" is not callable.', $request->getPathInfo()));
+        }
+
+        return $callable;
+    }
+
+    /**
+     * Returns the arguments to pass to the controller.
+     *
+     * @param Request $request    A Request instance
+     * @param mixed   $controller A PHP callable
+     *
+     * @return array
+     *
+     * @throws \RuntimeException When value for argument given is not provided
+     *
+     * @api
+     */
+    public function getArguments(Request $request, $controller)
+    {
+        if (is_array($controller)) {
+            $r = new \ReflectionMethod($controller[0], $controller[1]);
+        } elseif (is_object($controller) && !$controller instanceof \Closure) {
+            $r = new \ReflectionObject($controller);
+            $r = $r->getMethod('__invoke');
+        } else {
+            $r = new \ReflectionFunction($controller);
+        }
+
+        return $this->doGetArguments($request, $controller, $r->getParameters());
+    }
+
+    protected function doGetArguments(Request $request, $controller, array $parameters)
+    {
+        $attributes = $request->attributes->all();
+        $arguments = array();
+        foreach ($parameters as $param) {
+            if (array_key_exists($param->name, $attributes)) {
+                $arguments[] = $attributes[$param->name];
+            } elseif ($param->getClass() && $param->getClass()->isInstance($request)) {
+                $arguments[] = $request;
+            } elseif ($param->isDefaultValueAvailable()) {
+                $arguments[] = $param->getDefaultValue();
+            } else {
+                if (is_array($controller)) {
+                    $repr = sprintf('%s::%s()', get_class($controller[0]), $controller[1]);
+                } elseif (is_object($controller)) {
+                    $repr = get_class($controller);
+                } else {
+                    $repr = $controller;
+                }
+
+                throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument (because there is no default value or because there is a non optional argument after this one).', $repr, $param->name));
+            }
+        }
+
+        return $arguments;
+    }
+
+    /**
+     * Returns a callable for the given controller.
+     *
+     * @param string $controller A Controller string
+     *
+     * @return mixed A PHP callable
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function createController($controller)
+    {
+        if (false === strpos($controller, '::')) {
+            throw new \InvalidArgumentException(sprintf('Unable to find controller "%s".', $controller));
+        }
+
+        list($class, $method) = explode('::', $controller, 2);
+
+        if (!class_exists($class)) {
+            throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $class));
+        }
+
+        return array(new $class(), $method);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Controller/ControllerResolverInterface.php

@@ -0,0 +1,63 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * A ControllerResolverInterface implementation knows how to determine the
+ * controller to execute based on a Request object.
+ *
+ * It can also determine the arguments to pass to the Controller.
+ *
+ * A Controller can be any valid PHP callable.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface ControllerResolverInterface
+{
+    /**
+     * Returns the Controller instance associated with a Request.
+     *
+     * As several resolvers can exist for a single application, a resolver must
+     * return false when it is not able to determine the controller.
+     *
+     * The resolver must only throw an exception when it should be able to load
+     * controller but cannot because of some errors made by the developer.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return mixed|Boolean A PHP callable representing the Controller,
+     *                       or false if this resolver is not able to determine the controller
+     *
+     * @throws \InvalidArgumentException|\LogicException If the controller can't be found
+     *
+     * @api
+     */
+    public function getController(Request $request);
+
+    /**
+     * Returns the arguments to pass to the controller.
+     *
+     * @param Request $request    A Request instance
+     * @param mixed   $controller A PHP callable
+     *
+     * @return array An array of arguments to pass to the controller
+     *
+     * @throws \RuntimeException When value for argument given is not provided
+     *
+     * @api
+     */
+    public function getArguments(Request $request, $controller);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Controller/TraceableControllerResolver.php

@@ -0,0 +1,66 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Controller;
+
+use Symfony\Component\Stopwatch\Stopwatch;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * TraceableControllerResolver.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TraceableControllerResolver implements ControllerResolverInterface
+{
+    private $resolver;
+    private $stopwatch;
+
+    /**
+     * Constructor.
+     *
+     * @param ControllerResolverInterface $resolver  A ControllerResolverInterface instance
+     * @param Stopwatch                   $stopwatch A Stopwatch instance
+     */
+    public function __construct(ControllerResolverInterface $resolver, Stopwatch $stopwatch)
+    {
+        $this->resolver = $resolver;
+        $this->stopwatch = $stopwatch;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getController(Request $request)
+    {
+        $e = $this->stopwatch->start('controller.get_callable');
+
+        $ret = $this->resolver->getController($request);
+
+        $e->stop();
+
+        return $ret;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArguments(Request $request, $controller)
+    {
+        $e = $this->stopwatch->start('controller.get_arguments');
+
+        $ret = $this->resolver->getArguments($request, $controller);
+
+        $e->stop();
+
+        return $ret;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/ConfigDataCollector.php

@@ -0,0 +1,246 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\HttpKernel\Kernel;
+use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * ConfigDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ConfigDataCollector extends DataCollector
+{
+    private $kernel;
+    private $name;
+    private $version;
+
+    /**
+     * Constructor.
+     *
+     * @param string $name    The name of the application using the web profiler
+     * @param string $version The version of the application using the web profiler
+     */
+    public function __construct($name = null, $version = null)
+    {
+        $this->name = $name;
+        $this->version = $version;
+    }
+
+    /**
+     * Sets the Kernel associated with this Request.
+     *
+     * @param KernelInterface $kernel A KernelInterface instance
+     */
+    public function setKernel(KernelInterface $kernel = null)
+    {
+        $this->kernel = $kernel;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        $this->data = array(
+            'app_name'             => $this->name,
+            'app_version'          => $this->version,
+            'token'                => $response->headers->get('X-Debug-Token'),
+            'symfony_version'      => Kernel::VERSION,
+            'name'                 => isset($this->kernel) ? $this->kernel->getName() : 'n/a',
+            'env'                  => isset($this->kernel) ? $this->kernel->getEnvironment() : 'n/a',
+            'debug'                => isset($this->kernel) ? $this->kernel->isDebug() : 'n/a',
+            'php_version'          => PHP_VERSION,
+            'xdebug_enabled'       => extension_loaded('xdebug'),
+            'eaccel_enabled'       => extension_loaded('eaccelerator') && ini_get('eaccelerator.enable'),
+            'apc_enabled'          => extension_loaded('apc') && ini_get('apc.enabled'),
+            'xcache_enabled'       => extension_loaded('xcache') && ini_get('xcache.cacher'),
+            'wincache_enabled'     => extension_loaded('wincache') && ini_get('wincache.ocenabled'),
+            'zend_opcache_enabled' => extension_loaded('Zend OPcache') && ini_get('opcache.enable'),
+            'bundles'              => array(),
+            'sapi_name'            => php_sapi_name()
+        );
+
+        if (isset($this->kernel)) {
+            foreach ($this->kernel->getBundles() as $name => $bundle) {
+                $this->data['bundles'][$name] = $bundle->getPath();
+            }
+        }
+    }
+
+    public function getApplicationName()
+    {
+        return $this->data['app_name'];
+    }
+
+    public function getApplicationVersion()
+    {
+        return $this->data['app_version'];
+    }
+
+    /**
+     * Gets the token.
+     *
+     * @return string The token
+     */
+    public function getToken()
+    {
+        return $this->data['token'];
+    }
+
+    /**
+     * Gets the Symfony version.
+     *
+     * @return string The Symfony version
+     */
+    public function getSymfonyVersion()
+    {
+        return $this->data['symfony_version'];
+    }
+
+    /**
+     * Gets the PHP version.
+     *
+     * @return string The PHP version
+     */
+    public function getPhpVersion()
+    {
+        return $this->data['php_version'];
+    }
+
+    /**
+     * Gets the application name.
+     *
+     * @return string The application name
+     */
+    public function getAppName()
+    {
+        return $this->data['name'];
+    }
+
+    /**
+     * Gets the environment.
+     *
+     * @return string The environment
+     */
+    public function getEnv()
+    {
+        return $this->data['env'];
+    }
+
+    /**
+     * Returns true if the debug is enabled.
+     *
+     * @return Boolean true if debug is enabled, false otherwise
+     */
+    public function isDebug()
+    {
+        return $this->data['debug'];
+    }
+
+    /**
+     * Returns true if the XDebug is enabled.
+     *
+     * @return Boolean true if XDebug is enabled, false otherwise
+     */
+    public function hasXDebug()
+    {
+        return $this->data['xdebug_enabled'];
+    }
+
+    /**
+     * Returns true if EAccelerator is enabled.
+     *
+     * @return Boolean true if EAccelerator is enabled, false otherwise
+     */
+    public function hasEAccelerator()
+    {
+        return $this->data['eaccel_enabled'];
+    }
+
+    /**
+     * Returns true if APC is enabled.
+     *
+     * @return Boolean true if APC is enabled, false otherwise
+     */
+    public function hasApc()
+    {
+        return $this->data['apc_enabled'];
+    }
+
+    /**
+     * Returns true if Zend OPcache is enabled
+     *
+     * @return Boolean true if Zend OPcache is enabled, false otherwise
+     */
+    public function hasZendOpcache()
+    {
+        return $this->data['zend_opcache_enabled'];
+    }
+
+    /**
+     * Returns true if XCache is enabled.
+     *
+     * @return Boolean true if XCache is enabled, false otherwise
+     */
+    public function hasXCache()
+    {
+        return $this->data['xcache_enabled'];
+    }
+
+    /**
+     * Returns true if WinCache is enabled.
+     *
+     * @return Boolean true if WinCache is enabled, false otherwise
+     */
+    public function hasWinCache()
+    {
+        return $this->data['wincache_enabled'];
+    }
+
+    /**
+     * Returns true if any accelerator is enabled.
+     *
+     * @return Boolean true if any accelerator is enabled, false otherwise
+     */
+    public function hasAccelerator()
+    {
+        return $this->hasApc() || $this->hasZendOpcache() || $this->hasEAccelerator() || $this->hasXCache() || $this->hasWinCache();
+    }
+
+    public function getBundles()
+    {
+        return $this->data['bundles'];
+    }
+
+    /**
+     * Gets the PHP SAPI name.
+     *
+     * @return string The environment
+     */
+    public function getSapiName()
+    {
+        return $this->data['sapi_name'];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'config';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/DataCollector.php

@@ -0,0 +1,75 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+/**
+ * DataCollector.
+ *
+ * Children of this class must store the collected data in the data property.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class DataCollector implements DataCollectorInterface, \Serializable
+{
+    protected $data;
+
+    public function serialize()
+    {
+        return serialize($this->data);
+    }
+
+    public function unserialize($data)
+    {
+        $this->data = unserialize($data);
+    }
+
+    /**
+     * Converts a PHP variable to a string.
+     *
+     * @param mixed $var A PHP variable
+     *
+     * @return string The string representation of the variable
+     */
+    protected function varToString($var)
+    {
+        if (is_object($var)) {
+            return sprintf('Object(%s)', get_class($var));
+        }
+
+        if (is_array($var)) {
+            $a = array();
+            foreach ($var as $k => $v) {
+                $a[] = sprintf('%s => %s', $k, $this->varToString($v));
+            }
+
+            return sprintf("Array(%s)", implode(', ', $a));
+        }
+
+        if (is_resource($var)) {
+            return sprintf('Resource(%s)', get_resource_type($var));
+        }
+
+        if (null === $var) {
+            return 'null';
+        }
+
+        if (false === $var) {
+            return 'false';
+        }
+
+        if (true === $var) {
+            return 'true';
+        }
+
+        return (string) $var;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/DataCollectorInterface.php

@@ -0,0 +1,45 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * DataCollectorInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface DataCollectorInterface
+{
+    /**
+     * Collects data for the given Request and Response.
+     *
+     * @param Request    $request   A Request instance
+     * @param Response   $response  A Response instance
+     * @param \Exception $exception An Exception instance
+     *
+     * @api
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null);
+
+    /**
+     * Returns the name of the collector.
+     *
+     * @return string The collector name
+     *
+     * @api
+     */
+    public function getName();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/EventDataCollector.php

@@ -0,0 +1,91 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface;
+
+/**
+ * EventDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class EventDataCollector extends DataCollector
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        $this->data = array(
+            'called_listeners'     => array(),
+            'not_called_listeners' => array(),
+        );
+    }
+
+    /**
+     * Sets the called listeners.
+     *
+     * @param array $listeners An array of called listeners
+     *
+     * @see TraceableEventDispatcherInterface
+     */
+    public function setCalledListeners(array $listeners)
+    {
+        $this->data['called_listeners'] = $listeners;
+    }
+
+    /**
+     * Gets the called listeners.
+     *
+     * @return array An array of called listeners
+     *
+     * @see TraceableEventDispatcherInterface
+     */
+    public function getCalledListeners()
+    {
+        return $this->data['called_listeners'];
+    }
+
+    /**
+     * Sets the not called listeners.
+     *
+     * @param array $listeners An array of not called listeners
+     *
+     * @see TraceableEventDispatcherInterface
+     */
+    public function setNotCalledListeners(array $listeners)
+    {
+        $this->data['not_called_listeners'] = $listeners;
+    }
+
+    /**
+     * Gets the not called listeners.
+     *
+     * @return array An array of not called listeners
+     *
+     * @see TraceableEventDispatcherInterface
+     */
+    public function getNotCalledListeners()
+    {
+        return $this->data['not_called_listeners'];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'events';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/ExceptionDataCollector.php

@@ -0,0 +1,104 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\FlattenException;
+
+/**
+ * ExceptionDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExceptionDataCollector extends DataCollector
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        if (null !== $exception) {
+            $this->data = array(
+                'exception' => FlattenException::create($exception),
+            );
+        }
+    }
+
+    /**
+     * Checks if the exception is not null.
+     *
+     * @return Boolean true if the exception is not null, false otherwise
+     */
+    public function hasException()
+    {
+        return isset($this->data['exception']);
+    }
+
+    /**
+     * Gets the exception.
+     *
+     * @return \Exception The exception
+     */
+    public function getException()
+    {
+        return $this->data['exception'];
+    }
+
+    /**
+     * Gets the exception message.
+     *
+     * @return string The exception message
+     */
+    public function getMessage()
+    {
+        return $this->data['exception']->getMessage();
+    }
+
+    /**
+     * Gets the exception code.
+     *
+     * @return integer The exception code
+     */
+    public function getCode()
+    {
+        return $this->data['exception']->getCode();
+    }
+
+    /**
+     * Gets the status code.
+     *
+     * @return integer The status code
+     */
+    public function getStatusCode()
+    {
+        return $this->data['exception']->getStatusCode();
+    }
+
+    /**
+     * Gets the exception trace.
+     *
+     * @return array The exception trace
+     */
+    public function getTrace()
+    {
+        return $this->data['exception']->getTrace();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'exception';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php

@@ -0,0 +1,125 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Debug\ErrorHandler;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
+
+/**
+ * LogDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class LoggerDataCollector extends DataCollector
+{
+    private $logger;
+
+    public function __construct($logger = null)
+    {
+        if (null !== $logger && $logger instanceof DebugLoggerInterface) {
+            $this->logger = $logger;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        if (null !== $this->logger) {
+            $this->data = array(
+                'error_count'       => $this->logger->countErrors(),
+                'logs'              => $this->sanitizeLogs($this->logger->getLogs()),
+                'deprecation_count' => $this->computeDeprecationCount()
+            );
+        }
+    }
+
+    /**
+     * Gets the called events.
+     *
+     * @return array An array of called events
+     *
+     * @see TraceableEventDispatcherInterface
+     */
+    public function countErrors()
+    {
+        return isset($this->data['error_count']) ? $this->data['error_count'] : 0;
+    }
+
+    /**
+     * Gets the logs.
+     *
+     * @return array An array of logs
+     */
+    public function getLogs()
+    {
+        return isset($this->data['logs']) ? $this->data['logs'] : array();
+    }
+
+    public function countDeprecations()
+    {
+        return isset($this->data['deprecation_count']) ? $this->data['deprecation_count'] : 0;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'logger';
+    }
+
+    private function sanitizeLogs($logs)
+    {
+        foreach ($logs as $i => $log) {
+            $logs[$i]['context'] = $this->sanitizeContext($log['context']);
+        }
+
+        return $logs;
+    }
+
+    private function sanitizeContext($context)
+    {
+        if (is_array($context)) {
+            foreach ($context as $key => $value) {
+                $context[$key] = $this->sanitizeContext($value);
+            }
+
+            return $context;
+        }
+
+        if (is_resource($context)) {
+            return sprintf('Resource(%s)', get_resource_type($context));
+        }
+
+        if (is_object($context)) {
+            return sprintf('Object(%s)', get_class($context));
+        }
+
+        return $context;
+    }
+
+    private function computeDeprecationCount()
+    {
+        $count = 0;
+        foreach ($this->logger->getLogs() as $log) {
+            if (isset($log['context']['type']) && ErrorHandler::TYPE_DEPRECATION === $log['context']['type']) {
+                $count++;
+            }
+        }
+
+        return $count;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/MemoryDataCollector.php

@@ -0,0 +1,91 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * MemoryDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class MemoryDataCollector extends DataCollector
+{
+    public function __construct()
+    {
+        $this->data = array(
+            'memory'       => 0,
+            'memory_limit' => $this->convertToBytes(strtolower(ini_get('memory_limit'))),
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        $this->updateMemoryUsage();
+    }
+
+    /**
+     * Gets the memory.
+     *
+     * @return integer The memory
+     */
+    public function getMemory()
+    {
+        return $this->data['memory'];
+    }
+
+    /**
+     * Gets the PHP memory limit.
+     *
+     * @return integer The memory limit
+     */
+    public function getMemoryLimit()
+    {
+        return $this->data['memory_limit'];
+    }
+
+    /**
+     * Updates the memory usage data.
+     */
+    public function updateMemoryUsage()
+    {
+        $this->data['memory'] = memory_get_peak_usage(true);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'memory';
+    }
+
+    private function convertToBytes($memoryLimit)
+    {
+        if ('-1' === $memoryLimit) {
+            return -1;
+        }
+
+        if (preg_match('#^\+?(0x?)?(.*?)([kmg]?)$#', $memoryLimit, $match)) {
+            $shifts = array('' => 0, 'k' => 10, 'm' => 20, 'g' => 30);
+            $bases = array('' => 10, '0' => 8, '0x' => 16);
+
+            return intval($match[2], $bases[$match[1]]) << $shifts[$match[3]];
+        }
+
+        return 0;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php

@@ -0,0 +1,326 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\ParameterBag;
+use Symfony\Component\HttpFoundation\HeaderBag;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\ResponseHeaderBag;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * RequestDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class RequestDataCollector extends DataCollector implements EventSubscriberInterface
+{
+    protected $controllers;
+
+    public function __construct()
+    {
+        $this->controllers = new \SplObjectStorage();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        $responseHeaders = $response->headers->all();
+        $cookies = array();
+        foreach ($response->headers->getCookies() as $cookie) {
+            $cookies[] = $this->getCookieHeader($cookie->getName(), $cookie->getValue(), $cookie->getExpiresTime(), $cookie->getPath(), $cookie->getDomain(), $cookie->isSecure(), $cookie->isHttpOnly());
+        }
+        if (count($cookies) > 0) {
+            $responseHeaders['Set-Cookie'] = $cookies;
+        }
+
+        $attributes = array();
+        foreach ($request->attributes->all() as $key => $value) {
+            if ('_route' == $key && is_object($value)) {
+                $attributes['_route'] = $this->varToString($value->getPath());
+            } elseif ('_route_params' == $key) {
+                foreach ($value as $key => $v) {
+                    $attributes['_route_params'][$key] = $this->varToString($v);
+                }
+            } else {
+                $attributes[$key] = $this->varToString($value);
+            }
+        }
+
+        $content = null;
+        try {
+            $content = $request->getContent();
+        } catch (\LogicException $e) {
+            // the user already got the request content as a resource
+            $content = false;
+        }
+
+        $sessionMetadata = array();
+        $sessionAttributes = array();
+        $flashes = array();
+        if ($request->hasSession()) {
+            $session = $request->getSession();
+            if ($session->isStarted()) {
+                $sessionMetadata['Created'] = date(DATE_RFC822, $session->getMetadataBag()->getCreated());
+                $sessionMetadata['Last used'] = date(DATE_RFC822, $session->getMetadataBag()->getLastUsed());
+                $sessionMetadata['Lifetime'] = $session->getMetadataBag()->getLifetime();
+                $sessionAttributes = $session->all();
+                $flashes = $session->getFlashBag()->peekAll();
+            }
+        }
+
+        $statusCode = $response->getStatusCode();
+
+        $this->data = array(
+            'format'             => $request->getRequestFormat(),
+            'content'            => $content,
+            'content_type'       => $response->headers->get('Content-Type') ? $response->headers->get('Content-Type') : 'text/html',
+            'status_text'        => isset(Response::$statusTexts[$statusCode]) ? Response::$statusTexts[$statusCode] : '',
+            'status_code'        => $statusCode,
+            'request_query'      => $request->query->all(),
+            'request_request'    => $request->request->all(),
+            'request_headers'    => $request->headers->all(),
+            'request_server'     => $request->server->all(),
+            'request_cookies'    => $request->cookies->all(),
+            'request_attributes' => $attributes,
+            'response_headers'   => $responseHeaders,
+            'session_metadata'   => $sessionMetadata,
+            'session_attributes' => $sessionAttributes,
+            'flashes'            => $flashes,
+            'path_info'          => $request->getPathInfo(),
+            'controller'         => 'n/a',
+            'locale'             => $request->getLocale(),
+        );
+
+        if (isset($this->data['request_headers']['php-auth-pw'])) {
+            $this->data['request_headers']['php-auth-pw'] = '******';
+        }
+
+        if (isset($this->data['request_server']['PHP_AUTH_PW'])) {
+            $this->data['request_server']['PHP_AUTH_PW'] = '******';
+        }
+
+        if (isset($this->controllers[$request])) {
+            $controller = $this->controllers[$request];
+            if (is_array($controller)) {
+                try {
+                    $r = new \ReflectionMethod($controller[0], $controller[1]);
+                    $this->data['controller'] = array(
+                        'class'  => is_object($controller[0]) ? get_class($controller[0]) : $controller[0],
+                        'method' => $controller[1],
+                        'file'   => $r->getFilename(),
+                        'line'   => $r->getStartLine(),
+                    );
+                } catch (\ReflectionException $re) {
+                    if (is_callable($controller)) {
+                        // using __call or  __callStatic
+                        $this->data['controller'] = array(
+                            'class'  => is_object($controller[0]) ? get_class($controller[0]) : $controller[0],
+                            'method' => $controller[1],
+                            'file'   => 'n/a',
+                            'line'   => 'n/a',
+                        );
+                    }
+                }
+            } elseif ($controller instanceof \Closure) {
+                $r = new \ReflectionFunction($controller);
+                $this->data['controller'] = array(
+                    'class'  => $r->getName(),
+                    'method' => null,
+                    'file'   => $r->getFilename(),
+                    'line'   => $r->getStartLine(),
+                );
+            } else {
+                $this->data['controller'] = (string) $controller ?: 'n/a';
+            }
+            unset($this->controllers[$request]);
+        }
+    }
+
+    public function getPathInfo()
+    {
+        return $this->data['path_info'];
+    }
+
+    public function getRequestRequest()
+    {
+        return new ParameterBag($this->data['request_request']);
+    }
+
+    public function getRequestQuery()
+    {
+        return new ParameterBag($this->data['request_query']);
+    }
+
+    public function getRequestHeaders()
+    {
+        return new HeaderBag($this->data['request_headers']);
+    }
+
+    public function getRequestServer()
+    {
+        return new ParameterBag($this->data['request_server']);
+    }
+
+    public function getRequestCookies()
+    {
+        return new ParameterBag($this->data['request_cookies']);
+    }
+
+    public function getRequestAttributes()
+    {
+        return new ParameterBag($this->data['request_attributes']);
+    }
+
+    public function getResponseHeaders()
+    {
+        return new ResponseHeaderBag($this->data['response_headers']);
+    }
+
+    public function getSessionMetadata()
+    {
+        return $this->data['session_metadata'];
+    }
+
+    public function getSessionAttributes()
+    {
+        return $this->data['session_attributes'];
+    }
+
+    public function getFlashes()
+    {
+        return $this->data['flashes'];
+    }
+
+    public function getContent()
+    {
+        return $this->data['content'];
+    }
+
+    public function getContentType()
+    {
+        return $this->data['content_type'];
+    }
+
+    public function getStatusText()
+    {
+        return $this->data['status_text'];
+    }
+
+    public function getStatusCode()
+    {
+        return $this->data['status_code'];
+    }
+
+    public function getFormat()
+    {
+        return $this->data['format'];
+    }
+
+    public function getLocale()
+    {
+        return $this->data['locale'];
+    }
+
+    /**
+     * Gets the route name.
+     *
+     * The _route request attributes is automatically set by the Router Matcher.
+     *
+     * @return string The route
+     */
+    public function getRoute()
+    {
+        return isset($this->data['request_attributes']['_route']) ? $this->data['request_attributes']['_route'] : '';
+    }
+
+    /**
+     * Gets the route parameters.
+     *
+     * The _route_params request attributes is automatically set by the RouterListener.
+     *
+     * @return array The parameters
+     */
+    public function getRouteParams()
+    {
+        return isset($this->data['request_attributes']['_route_params']) ? $this->data['request_attributes']['_route_params'] : array();
+    }
+
+    /**
+     * Gets the controller.
+     *
+     * @return string The controller as a string
+     */
+    public function getController()
+    {
+        return $this->data['controller'];
+    }
+
+    public function onKernelController(FilterControllerEvent $event)
+    {
+        $this->controllers[$event->getRequest()] = $event->getController();
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(KernelEvents::CONTROLLER => 'onKernelController');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'request';
+    }
+
+    private function getCookieHeader($name, $value, $expires, $path, $domain, $secure, $httponly)
+    {
+        $cookie = sprintf('%s=%s', $name, urlencode($value));
+
+        if (0 !== $expires) {
+            if (is_numeric($expires)) {
+                $expires = (int) $expires;
+            } elseif ($expires instanceof \DateTime) {
+                $expires = $expires->getTimestamp();
+            } else {
+                $expires = strtotime($expires);
+                if (false === $expires || -1 == $expires) {
+                    throw new \InvalidArgumentException(sprintf('The "expires" cookie parameter is not valid.', $expires));
+                }
+            }
+
+            $cookie .= '; expires='.substr(\DateTime::createFromFormat('U', $expires, new \DateTimeZone('UTC'))->format('D, d-M-Y H:i:s T'), 0, -5);
+        }
+
+        if ($domain) {
+            $cookie .= '; domain='.$domain;
+        }
+
+        $cookie .= '; path='.$path;
+
+        if ($secure) {
+            $cookie .= '; secure';
+        }
+
+        if ($httponly) {
+            $cookie .= '; httponly';
+        }
+
+        return $cookie;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/RouterDataCollector.php

@@ -0,0 +1,103 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
+
+/**
+ * RouterDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class RouterDataCollector extends DataCollector
+{
+    protected $controllers;
+
+    public function __construct()
+    {
+        $this->controllers = new \SplObjectStorage();
+
+        $this->data = array(
+            'redirect' => false,
+            'url'      => null,
+            'route'    => null,
+        );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        if ($response instanceof RedirectResponse) {
+            $this->data['redirect'] = true;
+            $this->data['url'] = $response->getTargetUrl();
+
+            if ($this->controllers->contains($request)) {
+                $this->data['route'] = $this->guessRoute($request, $this->controllers[$request]);
+            }
+        }
+
+        unset($this->controllers[$request]);
+    }
+
+    protected function guessRoute(Request $request, $controller)
+    {
+        return 'n/a';
+    }
+
+    /**
+     * Remembers the controller associated to each request.
+     *
+     * @param FilterControllerEvent $event The filter controller event
+     */
+    public function onKernelController(FilterControllerEvent $event)
+    {
+        $this->controllers[$event->getRequest()] = $event->getController();
+    }
+
+    /**
+     * @return Boolean Whether this request will result in a redirect
+     */
+    public function getRedirect()
+    {
+        return $this->data['redirect'];
+    }
+
+    /**
+     * @return string|null The target URL
+     */
+    public function getTargetUrl()
+    {
+        return $this->data['url'];
+    }
+
+    /**
+     * @return string|null The target route
+     */
+    public function getTargetRoute()
+    {
+        return $this->data['route'];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'router';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DataCollector/TimeDataCollector.php

@@ -0,0 +1,123 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DataCollector;
+
+use Symfony\Component\HttpKernel\DataCollector\DataCollector;
+use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * TimeDataCollector.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TimeDataCollector extends DataCollector
+{
+    protected $kernel;
+
+    public function __construct(KernelInterface $kernel = null)
+    {
+        $this->kernel = $kernel;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        if (null !== $this->kernel) {
+            $startTime = $this->kernel->getStartTime();
+        } else {
+            $startTime = $request->server->get('REQUEST_TIME_FLOAT', $request->server->get('REQUEST_TIME'));
+        }
+
+        $this->data = array(
+            'start_time' => $startTime * 1000,
+            'events'     => array(),
+        );
+    }
+
+    /**
+     * Sets the request events.
+     *
+     * @param array $events The request events
+     */
+    public function setEvents(array $events)
+    {
+        foreach ($events as $event) {
+            $event->ensureStopped();
+        }
+
+        $this->data['events'] = $events;
+    }
+
+    /**
+     * Gets the request events.
+     *
+     * @return array The request events
+     */
+    public function getEvents()
+    {
+        return $this->data['events'];
+    }
+
+    /**
+     * Gets the request elapsed time.
+     *
+     * @return float The elapsed time
+     */
+    public function getDuration()
+    {
+        if (!isset($this->data['events']['__section__'])) {
+            return 0;
+        }
+
+        $lastEvent = $this->data['events']['__section__'];
+
+        return $lastEvent->getOrigin() + $lastEvent->getDuration() - $this->getStartTime();
+    }
+
+    /**
+     * Gets the initialization time.
+     *
+     * This is the time spent until the beginning of the request handling.
+     *
+     * @return float The elapsed time
+     */
+    public function getInitTime()
+    {
+        if (!isset($this->data['events']['__section__'])) {
+            return 0;
+        }
+
+        return $this->data['events']['__section__']->getOrigin() - $this->getStartTime();
+    }
+
+    /**
+     * Gets the request time.
+     *
+     * @return integer The time
+     */
+    public function getStartTime()
+    {
+        return $this->data['start_time'];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'time';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Debug/ErrorHandler.php

@@ -0,0 +1,25 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Debug;
+
+use Symfony\Component\Debug\ErrorHandler as DebugErrorHandler;
+
+/**
+ * ErrorHandler.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated Deprecated in 2.3, to be removed in 3.0. Use the same class from the Debug component instead.
+ */
+class ErrorHandler extends DebugErrorHandler
+{
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Debug/ExceptionHandler.php

@@ -0,0 +1,25 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Debug;
+
+use Symfony\Component\Debug\ExceptionHandler as DebugExceptionHandler;
+
+/**
+ * ExceptionHandler converts an exception to a Response object.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated Deprecated in 2.3, to be removed in 3.0. Use the same class from the Debug component instead.
+ */
+class ExceptionHandler extends DebugExceptionHandler
+{
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Debug/TraceableEventDispatcher.php

@@ -0,0 +1,469 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Debug;
+
+use Symfony\Component\Stopwatch\Stopwatch;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\Profiler\Profile;
+use Symfony\Component\HttpKernel\Profiler\Profiler;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface;
+
+/**
+ * Collects some data about event listeners.
+ *
+ * This event dispatcher delegates the dispatching to another one.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TraceableEventDispatcher implements EventDispatcherInterface, TraceableEventDispatcherInterface
+{
+    private $logger;
+    private $called;
+    private $stopwatch;
+    private $profiler;
+    private $dispatcher;
+    private $wrappedListeners;
+    private $firstCalledEvent;
+    private $id;
+
+    /**
+     * Constructor.
+     *
+     * @param EventDispatcherInterface $dispatcher An EventDispatcherInterface instance
+     * @param Stopwatch                $stopwatch  A Stopwatch instance
+     * @param LoggerInterface          $logger     A LoggerInterface instance
+     */
+    public function __construct(EventDispatcherInterface $dispatcher, Stopwatch $stopwatch, LoggerInterface $logger = null)
+    {
+        $this->dispatcher = $dispatcher;
+        $this->stopwatch = $stopwatch;
+        $this->logger = $logger;
+        $this->called = array();
+        $this->wrappedListeners = array();
+        $this->firstCalledEvent = array();
+    }
+
+    /**
+     * Sets the profiler.
+     *
+     * @param Profiler|null $profiler A Profiler instance
+     */
+    public function setProfiler(Profiler $profiler = null)
+    {
+        $this->profiler = $profiler;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function addListener($eventName, $listener, $priority = 0)
+    {
+        $this->dispatcher->addListener($eventName, $listener, $priority);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addSubscriber(EventSubscriberInterface $subscriber)
+    {
+        $this->dispatcher->addSubscriber($subscriber);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function removeListener($eventName, $listener)
+    {
+        return $this->dispatcher->removeListener($eventName, $listener);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function removeSubscriber(EventSubscriberInterface $subscriber)
+    {
+        return $this->dispatcher->removeSubscriber($subscriber);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getListeners($eventName = null)
+    {
+        return $this->dispatcher->getListeners($eventName);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasListeners($eventName = null)
+    {
+        return $this->dispatcher->hasListeners($eventName);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dispatch($eventName, Event $event = null)
+    {
+        if (null === $event) {
+            $event = new Event();
+        }
+
+        $this->id = spl_object_hash($event);
+
+        $this->preDispatch($eventName, $event);
+
+        $e = $this->stopwatch->start($eventName, 'section');
+
+        $this->firstCalledEvent[$eventName] = $this->stopwatch->start($eventName.'.loading', 'event_listener_loading');
+
+        if (!$this->dispatcher->hasListeners($eventName)) {
+            $this->firstCalledEvent[$eventName]->stop();
+        }
+
+        $this->dispatcher->dispatch($eventName, $event);
+
+        // reset the id as another event might have been dispatched during the dispatching of this event
+        $this->id = spl_object_hash($event);
+
+        unset($this->firstCalledEvent[$eventName]);
+
+        $e->stop();
+
+        $this->postDispatch($eventName, $event);
+
+        return $event;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getCalledListeners()
+    {
+        return $this->called;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getNotCalledListeners()
+    {
+        $notCalled = array();
+
+        foreach ($this->getListeners() as $name => $listeners) {
+            foreach ($listeners as $listener) {
+                $info = $this->getListenerInfo($listener, $name);
+                if (!isset($this->called[$name.'.'.$info['pretty']])) {
+                    $notCalled[$name.'.'.$info['pretty']] = $info;
+                }
+            }
+        }
+
+        return $notCalled;
+    }
+
+    /**
+     * Proxies all method calls to the original event dispatcher.
+     *
+     * @param string $method    The method name
+     * @param array  $arguments The method arguments
+     *
+     * @return mixed
+     */
+    public function __call($method, $arguments)
+    {
+        return call_user_func_array(array($this->dispatcher, $method), $arguments);
+    }
+
+    /**
+     * This is a private method and must not be used.
+     *
+     * This method is public because it is used in a closure.
+     * Whenever Symfony will require PHP 5.4, this could be changed
+     * to a proper private method.
+     */
+    public function logSkippedListeners($eventName, Event $event, $listener)
+    {
+        if (null === $this->logger) {
+            return;
+        }
+
+        $info = $this->getListenerInfo($listener, $eventName);
+
+        $this->logger->debug(sprintf('Listener "%s" stopped propagation of the event "%s".', $info['pretty'], $eventName));
+
+        $skippedListeners = $this->getListeners($eventName);
+        $skipped = false;
+
+        foreach ($skippedListeners as $skippedListener) {
+            $skippedListener = $this->unwrapListener($skippedListener);
+
+            if ($skipped) {
+                $info = $this->getListenerInfo($skippedListener, $eventName);
+                $this->logger->debug(sprintf('Listener "%s" was not called for event "%s".', $info['pretty'], $eventName));
+            }
+
+            if ($skippedListener === $listener) {
+                $skipped = true;
+            }
+        }
+    }
+
+    /**
+     * This is a private method.
+     *
+     * This method is public because it is used in a closure.
+     * Whenever Symfony will require PHP 5.4, this could be changed
+     * to a proper private method.
+     */
+    public function preListenerCall($eventName, $listener)
+    {
+        // is it the first called listener?
+        if (isset($this->firstCalledEvent[$eventName])) {
+            $this->firstCalledEvent[$eventName]->stop();
+
+            unset($this->firstCalledEvent[$eventName]);
+        }
+
+        $info = $this->getListenerInfo($listener, $eventName);
+
+        if (null !== $this->logger) {
+            $this->logger->debug(sprintf('Notified event "%s" to listener "%s".', $eventName, $info['pretty']));
+        }
+
+        $this->called[$eventName.'.'.$info['pretty']] = $info;
+
+        return $this->stopwatch->start(isset($info['class']) ? $info['class'] : $info['type'], 'event_listener');
+    }
+
+    /**
+     * Returns information about the listener
+     *
+     * @param object $listener  The listener
+     * @param string $eventName The event name
+     *
+     * @return array Informations about the listener
+     */
+    private function getListenerInfo($listener, $eventName)
+    {
+        $listener = $this->unwrapListener($listener);
+
+        $info = array(
+            'event' => $eventName,
+        );
+        if ($listener instanceof \Closure) {
+            $info += array(
+                'type' => 'Closure',
+                'pretty' => 'closure'
+            );
+        } elseif (is_string($listener)) {
+            try {
+                $r = new \ReflectionFunction($listener);
+                $file = $r->getFileName();
+                $line = $r->getStartLine();
+            } catch (\ReflectionException $e) {
+                $file = null;
+                $line = null;
+            }
+            $info += array(
+                'type'  => 'Function',
+                'function' => $listener,
+                'file'  => $file,
+                'line'  => $line,
+                'pretty' => $listener,
+            );
+        } elseif (is_array($listener) || (is_object($listener) && is_callable($listener))) {
+            if (!is_array($listener)) {
+                $listener = array($listener, '__invoke');
+            }
+            $class = is_object($listener[0]) ? get_class($listener[0]) : $listener[0];
+            try {
+                $r = new \ReflectionMethod($class, $listener[1]);
+                $file = $r->getFileName();
+                $line = $r->getStartLine();
+            } catch (\ReflectionException $e) {
+                $file = null;
+                $line = null;
+            }
+            $info += array(
+                'type'  => 'Method',
+                'class' => $class,
+                'method' => $listener[1],
+                'file'  => $file,
+                'line'  => $line,
+                'pretty' => $class.'::'.$listener[1],
+            );
+        }
+
+        return $info;
+    }
+
+    /**
+     * Updates the stopwatch data in the profile hierarchy.
+     *
+     * @param string  $token          Profile token
+     * @param Boolean $updateChildren Whether to update the children altogether
+     */
+    private function updateProfiles($token, $updateChildren)
+    {
+        if (!$this->profiler || !$profile = $this->profiler->loadProfile($token)) {
+            return;
+        }
+
+        $this->saveInfoInProfile($profile, $updateChildren);
+    }
+
+    /**
+     * Update the profiles with the timing and events information and saves them.
+     *
+     * @param Profile $profile        The root profile
+     * @param Boolean $updateChildren Whether to update the children altogether
+     */
+    private function saveInfoInProfile(Profile $profile, $updateChildren)
+    {
+        try {
+            $collector = $profile->getCollector('memory');
+            $collector->updateMemoryUsage();
+        } catch (\InvalidArgumentException $e) {
+        }
+
+        try {
+            $collector = $profile->getCollector('time');
+            $collector->setEvents($this->stopwatch->getSectionEvents($profile->getToken()));
+        } catch (\InvalidArgumentException $e) {
+        }
+
+        try {
+            $collector = $profile->getCollector('events');
+            $collector->setCalledListeners($this->getCalledListeners());
+            $collector->setNotCalledListeners($this->getNotCalledListeners());
+        } catch (\InvalidArgumentException $e) {
+        }
+
+        $this->profiler->saveProfile($profile);
+
+        if ($updateChildren) {
+            foreach ($profile->getChildren() as $child) {
+                $this->saveInfoInProfile($child, true);
+            }
+        }
+    }
+
+    private function preDispatch($eventName, Event $event)
+    {
+        // wrap all listeners before they are called
+        $this->wrappedListeners[$this->id] = new \SplObjectStorage();
+
+        $listeners = $this->dispatcher->getListeners($eventName);
+
+        foreach ($listeners as $listener) {
+            $this->dispatcher->removeListener($eventName, $listener);
+            $wrapped = $this->wrapListener($eventName, $listener);
+            $this->wrappedListeners[$this->id][$wrapped] = $listener;
+            $this->dispatcher->addListener($eventName, $wrapped);
+        }
+
+        switch ($eventName) {
+            case KernelEvents::REQUEST:
+                $this->stopwatch->openSection();
+                break;
+            case KernelEvents::VIEW:
+            case KernelEvents::RESPONSE:
+                // stop only if a controller has been executed
+                if ($this->stopwatch->isStarted('controller')) {
+                    $this->stopwatch->stop('controller');
+                }
+                break;
+            case KernelEvents::TERMINATE:
+                $token = $event->getResponse()->headers->get('X-Debug-Token');
+                // There is a very special case when using builtin AppCache class as kernel wrapper, in the case
+                // of an ESI request leading to a `stale` response [B]  inside a `fresh` cached response [A].
+                // In this case, `$token` contains the [B] debug token, but the  open `stopwatch` section ID
+                // is equal to the [A] debug token. Trying to reopen section with the [B] token throws an exception
+                // which must be caught.
+                try {
+                    $this->stopwatch->openSection($token);
+                } catch (\LogicException $e) {}
+                break;
+        }
+    }
+
+    private function postDispatch($eventName, Event $event)
+    {
+        switch ($eventName) {
+            case KernelEvents::CONTROLLER:
+                $this->stopwatch->start('controller', 'section');
+                break;
+            case KernelEvents::RESPONSE:
+                $token = $event->getResponse()->headers->get('X-Debug-Token');
+                $this->stopwatch->stopSection($token);
+                if (HttpKernelInterface::MASTER_REQUEST === $event->getRequestType()) {
+                    // The profiles can only be updated once they have been created
+                    // that is after the 'kernel.response' event of the main request
+                    $this->updateProfiles($token, true);
+                }
+                break;
+            case KernelEvents::TERMINATE:
+                $token = $event->getResponse()->headers->get('X-Debug-Token');
+                // In the special case described in the `preDispatch` method above, the `$token` section
+                // does not exist, then closing it throws an exception which must be caught.
+                try {
+                    $this->stopwatch->stopSection($token);
+                } catch (\LogicException $e) {}
+                // The children profiles have been updated by the previous 'kernel.response'
+                // event. Only the root profile need to be updated with the 'kernel.terminate'
+                // timing informations.
+                $this->updateProfiles($token, false);
+                break;
+        }
+
+        foreach ($this->wrappedListeners[$this->id] as $wrapped) {
+            $this->dispatcher->removeListener($eventName, $wrapped);
+            $this->dispatcher->addListener($eventName, $this->wrappedListeners[$this->id][$wrapped]);
+        }
+
+        unset($this->wrappedListeners[$this->id]);
+    }
+
+    private function wrapListener($eventName, $listener)
+    {
+        $self = $this;
+
+        return function (Event $event) use ($self, $eventName, $listener) {
+            $e = $self->preListenerCall($eventName, $listener);
+
+            call_user_func($listener, $event);
+
+            $e->stop();
+
+            if ($event->isPropagationStopped()) {
+                $self->logSkippedListeners($eventName, $event, $listener);
+            }
+        };
+    }
+
+    private function unwrapListener($listener)
+    {
+        // get the original listener
+        if (is_object($listener) && isset($this->wrappedListeners[$this->id][$listener])) {
+            return $this->wrappedListeners[$this->id][$listener];
+        }
+
+        return $listener;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/AddClassesToCachePass.php

@@ -0,0 +1,47 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\HttpKernel\Kernel;
+
+/**
+ * Sets the classes to compile in the cache for the container.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class AddClassesToCachePass implements CompilerPassInterface
+{
+    private $kernel;
+
+    public function __construct(Kernel $kernel)
+    {
+        $this->kernel = $kernel;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function process(ContainerBuilder $container)
+    {
+        $classes = array();
+        foreach ($container->getExtensions() as $extension) {
+            if ($extension instanceof Extension) {
+                $classes = array_merge($classes, $extension->getClassesToCompile());
+            }
+        }
+
+        $this->kernel->setClassCache(array_unique($container->getParameterBag()->resolveValue($classes)));
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/ConfigurableExtension.php

@@ -0,0 +1,45 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * This extension sub-class provides first-class integration with the
+ * Config/Definition Component.
+ *
+ * You can use this as base class if you
+ *
+ *    a) use the Config/Definition component for configuration
+ *    b) your configuration class is named "Configuration" and
+ *    c) the configuration class resides in the DependencyInjection sub-folder
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+abstract class ConfigurableExtension extends Extension
+{
+    /**
+     * {@inheritDoc}
+     */
+    final public function load(array $configs, ContainerBuilder $container)
+    {
+        $this->loadInternal($this->processConfiguration($this->getConfiguration($configs, $container), $configs), $container);
+    }
+
+    /**
+     * Configures the passed container according to the merged configuration.
+     *
+     * @param array            $mergedConfig
+     * @param ContainerBuilder $container
+     */
+    abstract protected function loadInternal(array $mergedConfig, ContainerBuilder $container);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php

@@ -0,0 +1,75 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\HttpKernel;
+use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Scope;
+
+/**
+ * Adds a managed request scope.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class ContainerAwareHttpKernel extends HttpKernel
+{
+    protected $container;
+
+    /**
+     * Constructor.
+     *
+     * @param EventDispatcherInterface    $dispatcher         An EventDispatcherInterface instance
+     * @param ContainerInterface          $container          A ContainerInterface instance
+     * @param ControllerResolverInterface $controllerResolver A ControllerResolverInterface instance
+     */
+    public function __construct(EventDispatcherInterface $dispatcher, ContainerInterface $container, ControllerResolverInterface $controllerResolver)
+    {
+        parent::__construct($dispatcher, $controllerResolver);
+
+        $this->container = $container;
+
+        // the request scope might have been created before (see FrameworkBundle)
+        if (!$container->hasScope('request')) {
+            $container->addScope(new Scope('request'));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        $request->headers->set('X-Php-Ob-Level', ob_get_level());
+
+        $this->container->enterScope('request');
+        $this->container->set('request', $request, 'request');
+
+        try {
+            $response = parent::handle($request, $type, $catch);
+        } catch (\Exception $e) {
+            $this->container->set('request', null, 'request');
+            $this->container->leaveScope('request');
+
+            throw $e;
+        }
+
+        $this->container->set('request', null, 'request');
+        $this->container->leaveScope('request');
+
+        return $response;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/Extension.php

@@ -0,0 +1,44 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Extension\Extension as BaseExtension;
+
+/**
+ * Allow adding classes to the class cache.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Extension extends BaseExtension
+{
+    private $classes = array();
+
+    /**
+     * Gets the classes to cache.
+     *
+     * @return array An array of classes
+     */
+    public function getClassesToCompile()
+    {
+        return $this->classes;
+    }
+
+    /**
+     * Adds classes to the class cache.
+     *
+     * @param array $classes An array of classes
+     */
+    public function addClassesToCompile(array $classes)
+    {
+        $this->classes = array_merge($this->classes, $classes);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/MergeExtensionConfigurationPass.php

@@ -0,0 +1,41 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Compiler\MergeExtensionConfigurationPass as BaseMergeExtensionConfigurationPass;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * Ensures certain extensions are always loaded.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class MergeExtensionConfigurationPass extends BaseMergeExtensionConfigurationPass
+{
+    private $extensions;
+
+    public function __construct(array $extensions)
+    {
+        $this->extensions = $extensions;
+    }
+
+    public function process(ContainerBuilder $container)
+    {
+        foreach ($this->extensions as $extension) {
+            if (!count($container->getExtensionConfig($extension))) {
+                $container->loadFromExtension($extension, array());
+            }
+        }
+
+        parent::process($container);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/DependencyInjection/RegisterListenersPass.php

@@ -0,0 +1,92 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * Compiler pass to register tagged services for an event dispatcher.
+ */
+class RegisterListenersPass implements CompilerPassInterface
+{
+    /**
+     * @var string
+     */
+    protected $dispatcherService;
+
+    /**
+     * @var string
+     */
+    protected $listenerTag;
+
+    /**
+     * @var string
+     */
+    protected $subscriberTag;
+
+    /**
+     * Constructor.
+     *
+     * @param string $dispatcherService Service name of the event dispatcher in processed container
+     * @param string $listenerTag       Tag name used for listener
+     * @param string $subscriberTag     Tag name used for subscribers
+     */
+    public function __construct($dispatcherService = 'event_dispatcher', $listenerTag = 'kernel.event_listener', $subscriberTag = 'kernel.event_subscriber')
+    {
+        $this->dispatcherService = $dispatcherService;
+        $this->listenerTag = $listenerTag;
+        $this->subscriberTag = $subscriberTag;
+    }
+
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition($this->dispatcherService)) {
+            return;
+        }
+
+        $definition = $container->getDefinition($this->dispatcherService);
+
+        foreach ($container->findTaggedServiceIds($this->listenerTag) as $id => $events) {
+            foreach ($events as $event) {
+                $priority = isset($event['priority']) ? $event['priority'] : 0;
+
+                if (!isset($event['event'])) {
+                    throw new \InvalidArgumentException(sprintf('Service "%s" must define the "event" attribute on "kernel.event_listener" tags.', $id));
+                }
+
+                if (!isset($event['method'])) {
+                    $event['method'] = 'on'.preg_replace_callback(array(
+                        '/(?<=\b)[a-z]/i',
+                        '/[^a-z0-9]/i',
+                    ), function ($matches) { return strtoupper($matches[0]); }, $event['event']);
+                    $event['method'] = preg_replace('/[^a-z0-9]/i', '', $event['method']);
+                }
+
+                $definition->addMethodCall('addListenerService', array($event['event'], array($id, $event['method']), $priority));
+            }
+        }
+
+        foreach ($container->findTaggedServiceIds($this->subscriberTag) as $id => $attributes) {
+            // We must assume that the class value has been correctly filled, even if the service is created by a factory
+            $class = $container->getDefinition($id)->getClass();
+
+            $refClass = new \ReflectionClass($class);
+            $interface = 'Symfony\Component\EventDispatcher\EventSubscriberInterface';
+            if (!$refClass->implementsInterface($interface)) {
+                throw new \InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, $interface));
+            }
+
+            $definition->addMethodCall('addSubscriberService', array($id, $class));
+        }
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/FilterControllerEvent.php

@@ -0,0 +1,109 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Allows filtering of a controller callable
+ *
+ * You can call getController() to retrieve the current controller. With
+ * setController() you can set a new controller that is used in the processing
+ * of the request.
+ *
+ * Controllers should be callables.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class FilterControllerEvent extends KernelEvent
+{
+    /**
+     * The current controller
+     * @var callable
+     */
+    private $controller;
+
+    public function __construct(HttpKernelInterface $kernel, $controller, Request $request, $requestType)
+    {
+        parent::__construct($kernel, $request, $requestType);
+
+        $this->setController($controller);
+    }
+
+    /**
+     * Returns the current controller
+     *
+     * @return callable
+     *
+     * @api
+     */
+    public function getController()
+    {
+        return $this->controller;
+    }
+
+    /**
+     * Sets a new controller
+     *
+     * @param callable $controller
+     *
+     * @throws \LogicException
+     *
+     * @api
+     */
+    public function setController($controller)
+    {
+        // controller must be a callable
+        if (!is_callable($controller)) {
+            throw new \LogicException(sprintf('The controller must be a callable (%s given).', $this->varToString($controller)));
+        }
+
+        $this->controller = $controller;
+    }
+
+    private function varToString($var)
+    {
+        if (is_object($var)) {
+            return sprintf('Object(%s)', get_class($var));
+        }
+
+        if (is_array($var)) {
+            $a = array();
+            foreach ($var as $k => $v) {
+                $a[] = sprintf('%s => %s', $k, $this->varToString($v));
+            }
+
+            return sprintf("Array(%s)", implode(', ', $a));
+        }
+
+        if (is_resource($var)) {
+            return sprintf('Resource(%s)', get_resource_type($var));
+        }
+
+        if (null === $var) {
+            return 'null';
+        }
+
+        if (false === $var) {
+            return 'false';
+        }
+
+        if (true === $var) {
+            return 'true';
+        }
+
+        return (string) $var;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/FilterResponseEvent.php

@@ -0,0 +1,67 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Allows to filter a Response object
+ *
+ * You can call getResponse() to retrieve the current response. With
+ * setResponse() you can set a new response that will be returned to the
+ * browser.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class FilterResponseEvent extends KernelEvent
+{
+    /**
+     * The current response object
+     * @var Response
+     */
+    private $response;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, $requestType, Response $response)
+    {
+        parent::__construct($kernel, $request, $requestType);
+
+        $this->setResponse($response);
+    }
+
+    /**
+     * Returns the current response object
+     *
+     * @return Response
+     *
+     * @api
+     */
+    public function getResponse()
+    {
+        return $this->response;
+    }
+
+    /**
+     * Sets a new response object
+     *
+     * @param Response $response
+     *
+     * @api
+     */
+    public function setResponse(Response $response)
+    {
+        $this->response = $response;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/GetResponseEvent.php

@@ -0,0 +1,72 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Allows to create a response for a request
+ *
+ * Call setResponse() to set the response that will be returned for the
+ * current request. The propagation of this event is stopped as soon as a
+ * response is set.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class GetResponseEvent extends KernelEvent
+{
+    /**
+     * The response object
+     * @var Response
+     */
+    private $response;
+
+    /**
+     * Returns the response object
+     *
+     * @return Response
+     *
+     * @api
+     */
+    public function getResponse()
+    {
+        return $this->response;
+    }
+
+    /**
+     * Sets a response and stops event propagation
+     *
+     * @param Response $response
+     *
+     * @api
+     */
+    public function setResponse(Response $response)
+    {
+        $this->response = $response;
+
+        $this->stopPropagation();
+    }
+
+    /**
+     * Returns whether a response was set
+     *
+     * @return Boolean Whether a response was set
+     *
+     * @api
+     */
+    public function hasResponse()
+    {
+        return null !== $this->response;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/GetResponseForControllerResultEvent.php

@@ -0,0 +1,67 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Allows to create a response for the return value of a controller
+ *
+ * Call setResponse() to set the response that will be returned for the
+ * current request. The propagation of this event is stopped as soon as a
+ * response is set.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class GetResponseForControllerResultEvent extends GetResponseEvent
+{
+    /**
+     * The return value of the controller
+     *
+     * @var mixed
+     */
+    private $controllerResult;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, $requestType, $controllerResult)
+    {
+        parent::__construct($kernel, $request, $requestType);
+
+        $this->controllerResult = $controllerResult;
+    }
+
+    /**
+     * Returns the return value of the controller.
+     *
+     * @return mixed The controller return value
+     *
+     * @api
+     */
+    public function getControllerResult()
+    {
+        return $this->controllerResult;
+    }
+
+    /**
+     * Assigns the return value of the controller.
+     *
+     * @param mixed The controller return value
+     *
+     * @api
+     */
+    public function setControllerResult($controllerResult)
+    {
+        $this->controllerResult = $controllerResult;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/GetResponseForExceptionEvent.php

@@ -0,0 +1,72 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Allows to create a response for a thrown exception
+ *
+ * Call setResponse() to set the response that will be returned for the
+ * current request. The propagation of this event is stopped as soon as a
+ * response is set.
+ *
+ * You can also call setException() to replace the thrown exception. This
+ * exception will be thrown if no response is set during processing of this
+ * event.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class GetResponseForExceptionEvent extends GetResponseEvent
+{
+    /**
+     * The exception object
+     * @var \Exception
+     */
+    private $exception;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, $requestType, \Exception $e)
+    {
+        parent::__construct($kernel, $request, $requestType);
+
+        $this->setException($e);
+    }
+
+    /**
+     * Returns the thrown exception
+     *
+     * @return \Exception  The thrown exception
+     *
+     * @api
+     */
+    public function getException()
+    {
+        return $this->exception;
+    }
+
+    /**
+     * Replaces the thrown exception
+     *
+     * This exception will be thrown if no response is set in the event.
+     *
+     * @param \Exception $exception The thrown exception
+     *
+     * @api
+     */
+    public function setException(\Exception $exception)
+    {
+        $this->exception = $exception;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/KernelEvent.php

@@ -0,0 +1,89 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\EventDispatcher\Event;
+
+/**
+ * Base class for events thrown in the HttpKernel component
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+class KernelEvent extends Event
+{
+    /**
+     * The kernel in which this event was thrown
+     * @var HttpKernelInterface
+     */
+    private $kernel;
+
+    /**
+     * The request the kernel is currently processing
+     * @var Request
+     */
+    private $request;
+
+    /**
+     * The request type the kernel is currently processing.  One of
+     * HttpKernelInterface::MASTER_REQUEST and HttpKernelInterface::SUB_REQUEST
+     * @var integer
+     */
+    private $requestType;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, $requestType)
+    {
+        $this->kernel = $kernel;
+        $this->request = $request;
+        $this->requestType = $requestType;
+    }
+
+    /**
+     * Returns the kernel in which this event was thrown
+     *
+     * @return HttpKernelInterface
+     *
+     * @api
+     */
+    public function getKernel()
+    {
+        return $this->kernel;
+    }
+
+    /**
+     * Returns the request the kernel is currently processing
+     *
+     * @return Request
+     *
+     * @api
+     */
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
+    /**
+     * Returns the request type the kernel is currently processing
+     *
+     * @return integer  One of HttpKernelInterface::MASTER_REQUEST and
+     *                  HttpKernelInterface::SUB_REQUEST
+     *
+     * @api
+     */
+    public function getRequestType()
+    {
+        return $this->requestType;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Event/PostResponseEvent.php

@@ -0,0 +1,72 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Event;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\EventDispatcher\Event;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Allows to execute logic after a response was sent
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class PostResponseEvent extends Event
+{
+    /**
+     * The kernel in which this event was thrown
+     * @var HttpKernelInterface
+     */
+    private $kernel;
+
+    private $request;
+
+    private $response;
+
+    public function __construct(HttpKernelInterface $kernel, Request $request, Response $response)
+    {
+        $this->kernel = $kernel;
+        $this->request = $request;
+        $this->response = $response;
+    }
+
+    /**
+     * Returns the kernel in which this event was thrown.
+     *
+     * @return HttpKernelInterface
+     */
+    public function getKernel()
+    {
+        return $this->kernel;
+    }
+
+    /**
+     * Returns the request for which this event was thrown.
+     *
+     * @return Request
+     */
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
+    /**
+     * Returns the response for which this event was thrown.
+     *
+     * @return Response
+     */
+    public function getResponse()
+    {
+        return $this->response;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ErrorsLoggerListener.php

@@ -0,0 +1,48 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\Debug\ErrorHandler;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+/**
+ * Injects the logger into the ErrorHandler, so that it can log various errors.
+ *
+ * @author Colin Frei <colin@colinfrei.com>
+ * @author Konstantin Myakshin <koc-dp@yandex.ru>
+ */
+class ErrorsLoggerListener implements EventSubscriberInterface
+{
+    private $channel;
+
+    private $logger;
+
+    public function __construct($channel, LoggerInterface $logger = null)
+    {
+        $this->channel = $channel;
+        $this->logger = $logger;
+    }
+
+    public function injectLogger()
+    {
+        if (null !== $this->logger) {
+            ErrorHandler::setLogger($this->logger, $this->channel);
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(KernelEvents::REQUEST => 'injectLogger');
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/EsiListener.php

@@ -0,0 +1,59 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\HttpCache\Esi;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * EsiListener adds a Surrogate-Control HTTP header when the Response needs to be parsed for ESI.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class EsiListener implements EventSubscriberInterface
+{
+    private $esi;
+
+    /**
+     * Constructor.
+     *
+     * @param Esi $esi An ESI instance
+     */
+    public function __construct(Esi $esi = null)
+    {
+        $this->esi = $esi;
+    }
+
+    /**
+     * Filters the Response.
+     *
+     * @param FilterResponseEvent $event A FilterResponseEvent instance
+     */
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType() || null === $this->esi) {
+            return;
+        }
+
+        $this->esi->addSurrogateControl($event->getResponse());
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::RESPONSE => 'onKernelResponse',
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php

@@ -0,0 +1,112 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * ExceptionListener.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExceptionListener implements EventSubscriberInterface
+{
+    protected $controller;
+    protected $logger;
+
+    public function __construct($controller, LoggerInterface $logger = null)
+    {
+        $this->controller = $controller;
+        $this->logger = $logger;
+    }
+
+    public function onKernelException(GetResponseForExceptionEvent $event)
+    {
+        static $handling;
+
+        if (true === $handling) {
+            return false;
+        }
+
+        $handling = true;
+
+        $exception = $event->getException();
+        $request = $event->getRequest();
+
+        $this->logException($exception, sprintf('Uncaught PHP Exception %s: "%s" at %s line %s', get_class($exception), $exception->getMessage(), $exception->getFile(), $exception->getLine()));
+
+        $attributes = array(
+            '_controller' => $this->controller,
+            'exception'   => FlattenException::create($exception),
+            'logger'      => $this->logger instanceof DebugLoggerInterface ? $this->logger : null,
+            // keep for BC -- as $format can be an argument of the controller callable
+            // see src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php
+            // @deprecated in 2.4, to be removed in 3.0
+            'format'      => $request->getRequestFormat(),
+        );
+
+        $request = $request->duplicate(null, null, $attributes);
+        $request->setMethod('GET');
+
+        try {
+            $response = $event->getKernel()->handle($request, HttpKernelInterface::SUB_REQUEST, true);
+        } catch (\Exception $e) {
+            $this->logException($exception, sprintf('Exception thrown when handling an exception (%s: %s)', get_class($e), $e->getMessage()), false);
+
+            // set handling to false otherwise it wont be able to handle further more
+            $handling = false;
+
+            // re-throw the exception from within HttpKernel as this is a catch-all
+            return;
+        }
+
+        $event->setResponse($response);
+
+        $handling = false;
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::EXCEPTION => array('onKernelException', -128),
+        );
+    }
+
+    /**
+     * Logs an exception.
+     *
+     * @param \Exception $exception The original \Exception instance
+     * @param string     $message   The error message to log
+     * @param Boolean    $original  False when the handling of the exception thrown another exception
+     */
+    protected function logException(\Exception $exception, $message, $original = true)
+    {
+        $isCritical = !$exception instanceof HttpExceptionInterface || $exception->getStatusCode() >= 500;
+        $context = array('exception' => $exception);
+        if (null !== $this->logger) {
+            if ($isCritical) {
+                $this->logger->critical($message, $context);
+            } else {
+                $this->logger->error($message, $context);
+            }
+        } elseif (!$original || $isCritical) {
+            error_log($message);
+        }
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/FragmentListener.php

@@ -0,0 +1,107 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\IpUtils;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\UriSigner;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Handles content fragments represented by special URIs.
+ *
+ * All URL paths starting with /_fragment are handled as
+ * content fragments by this listener.
+ *
+ * If the request does not come from a trusted IP, it throws an
+ * AccessDeniedHttpException exception.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FragmentListener implements EventSubscriberInterface
+{
+    private $signer;
+    private $fragmentPath;
+
+    /**
+     * Constructor.
+     *
+     * @param UriSigner $signer       A UriSigner instance
+     * @param string    $fragmentPath The path that triggers this listener
+     */
+    public function __construct(UriSigner $signer, $fragmentPath = '/_fragment')
+    {
+        $this->signer = $signer;
+        $this->fragmentPath = $fragmentPath;
+    }
+
+    /**
+     * Fixes request attributes when the path is '/_fragment'.
+     *
+     * @param GetResponseEvent $event A GetResponseEvent instance
+     *
+     * @throws AccessDeniedHttpException if the request does not come from a trusted IP.
+     */
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $request = $event->getRequest();
+
+        if ($this->fragmentPath !== rawurldecode($request->getPathInfo())) {
+            return;
+        }
+
+        $this->validateRequest($request);
+
+        parse_str($request->query->get('_path', ''), $attributes);
+        $request->attributes->add($attributes);
+        $request->attributes->set('_route_params', array_replace($request->attributes->get('_route_params', array()), $attributes));
+        $request->query->remove('_path');
+    }
+
+    protected function validateRequest(Request $request)
+    {
+        // is the Request safe?
+        if (!$request->isMethodSafe()) {
+            throw new AccessDeniedHttpException();
+        }
+
+        // does the Request come from a trusted IP?
+        $trustedIps = array_merge($this->getLocalIpAddresses(), $request->getTrustedProxies());
+        $remoteAddress = $request->server->get('REMOTE_ADDR');
+        if (IpUtils::checkIp($remoteAddress, $trustedIps)) {
+            return;
+        }
+
+        // is the Request signed?
+        // we cannot use $request->getUri() here as we want to work with the original URI (no query string reordering)
+        if ($this->signer->check($request->getSchemeAndHttpHost().$request->getBaseUrl().$request->getPathInfo().(null !== ($qs = $request->server->get('QUERY_STRING')) ? '?'.$qs : ''))) {
+            return;
+        }
+
+        throw new AccessDeniedHttpException();
+    }
+
+    protected function getLocalIpAddresses()
+    {
+        return array('127.0.0.1', 'fe80::1', '::1');
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array(array('onKernelRequest', 48)),
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/LocaleListener.php

@@ -0,0 +1,66 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\RequestContextAwareInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Initializes the locale based on the current request.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class LocaleListener implements EventSubscriberInterface
+{
+    private $router;
+    private $defaultLocale;
+
+    public function __construct($defaultLocale = 'en', RequestContextAwareInterface $router = null)
+    {
+        $this->defaultLocale = $defaultLocale;
+        $this->router = $router;
+    }
+
+    public function setRequest(Request $request = null)
+    {
+        if (null === $request) {
+            return;
+        }
+
+        if ($locale = $request->attributes->get('_locale')) {
+            $request->setLocale($locale);
+        }
+
+        if (null !== $this->router) {
+            $this->router->getContext()->setParameter('_locale', $request->getLocale());
+        }
+    }
+
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $request = $event->getRequest();
+        $request->setDefaultLocale($this->defaultLocale);
+
+        $this->setRequest($request);
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            // must be registered after the Router to have access to the _locale
+            KernelEvents::REQUEST => array(array('onKernelRequest', 16)),
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ProfilerListener.php

@@ -0,0 +1,166 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Profiler\Profile;
+use Symfony\Component\HttpKernel\Profiler\Profiler;
+use Symfony\Component\HttpFoundation\RequestMatcherInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * ProfilerListener collects data for the current request by listening to the onKernelResponse event.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ProfilerListener implements EventSubscriberInterface
+{
+    protected $profiler;
+    protected $matcher;
+    protected $onlyException;
+    protected $onlyMasterRequests;
+    protected $exception;
+    protected $children;
+    protected $requests;
+    protected $profiles;
+
+    /**
+     * Constructor.
+     *
+     * @param Profiler                $profiler           A Profiler instance
+     * @param RequestMatcherInterface $matcher            A RequestMatcher instance
+     * @param Boolean                 $onlyException      true if the profiler only collects data when an exception occurs, false otherwise
+     * @param Boolean                 $onlyMasterRequests true if the profiler only collects data when the request is a master request, false otherwise
+     */
+    public function __construct(Profiler $profiler, RequestMatcherInterface $matcher = null, $onlyException = false, $onlyMasterRequests = false)
+    {
+        $this->profiler = $profiler;
+        $this->matcher = $matcher;
+        $this->onlyException = (Boolean) $onlyException;
+        $this->onlyMasterRequests = (Boolean) $onlyMasterRequests;
+        $this->children = new \SplObjectStorage();
+        $this->profiles = array();
+    }
+
+    /**
+     * Handles the onKernelException event.
+     *
+     * @param GetResponseForExceptionEvent $event A GetResponseForExceptionEvent instance
+     */
+    public function onKernelException(GetResponseForExceptionEvent $event)
+    {
+        if ($this->onlyMasterRequests && HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
+            return;
+        }
+
+        $this->exception = $event->getException();
+    }
+
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $this->requests[] = $event->getRequest();
+    }
+
+    /**
+     * Handles the onKernelResponse event.
+     *
+     * @param FilterResponseEvent $event A FilterResponseEvent instance
+     */
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        $master = HttpKernelInterface::MASTER_REQUEST === $event->getRequestType();
+        if ($this->onlyMasterRequests && !$master) {
+            return;
+        }
+
+        if ($this->onlyException && null === $this->exception) {
+            return;
+        }
+
+        $request = $event->getRequest();
+        $exception = $this->exception;
+        $this->exception = null;
+
+        if (null !== $this->matcher && !$this->matcher->matches($request)) {
+            return;
+        }
+
+        if (!$profile = $this->profiler->collect($request, $event->getResponse(), $exception)) {
+            return;
+        }
+
+        $this->profiles[] = $profile;
+
+        if (null !== $exception) {
+            foreach ($this->profiles as $profile) {
+                $this->profiler->saveProfile($profile);
+            }
+
+            return;
+        }
+
+        // keep the profile as the child of its parent
+        if (!$master) {
+            array_pop($this->requests);
+
+            $parent = end($this->requests);
+
+            // when simulating requests, we might not have the parent
+            if ($parent) {
+                $profiles = isset($this->children[$parent]) ? $this->children[$parent] : array();
+                $profiles[] = $profile;
+                $this->children[$parent] = $profiles;
+            }
+        }
+
+        if (isset($this->children[$request])) {
+            foreach ($this->children[$request] as $child) {
+                $profile->addChild($child);
+            }
+            $this->children[$request] = array();
+        }
+
+        if ($master) {
+            $this->saveProfiles($profile);
+
+            unset($this->children);
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            // kernel.request must be registered as early as possible to not break
+            // when an exception is thrown in any other kernel.request listener
+            KernelEvents::REQUEST => array('onKernelRequest', 1024),
+            KernelEvents::RESPONSE => array('onKernelResponse', -100),
+            KernelEvents::EXCEPTION => 'onKernelException',
+        );
+    }
+
+    /**
+     * Saves the profile hierarchy.
+     *
+     * @param Profile $profile The root profile
+     */
+    private function saveProfiles(Profile $profile)
+    {
+        $this->profiler->saveProfile($profile);
+        foreach ($profile->getChildren() as $profile) {
+            $this->saveProfiles($profile);
+        }
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/ResponseListener.php

@@ -0,0 +1,59 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * ResponseListener fixes the Response headers based on the Request.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ResponseListener implements EventSubscriberInterface
+{
+    private $charset;
+
+    public function __construct($charset)
+    {
+        $this->charset = $charset;
+    }
+
+    /**
+     * Filters the Response.
+     *
+     * @param FilterResponseEvent $event A FilterResponseEvent instance
+     */
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
+            return;
+        }
+
+        $response = $event->getResponse();
+
+        if (null === $response->getCharset()) {
+            $response->setCharset($this->charset);
+        }
+
+        $response->prepare($event->getRequest());
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::RESPONSE => 'onKernelResponse',
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/RouterListener.php

@@ -0,0 +1,140 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\Routing\Exception\MethodNotAllowedException;
+use Symfony\Component\Routing\Exception\ResourceNotFoundException;
+use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
+use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
+use Symfony\Component\Routing\RequestContext;
+use Symfony\Component\Routing\RequestContextAwareInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Initializes the context from the request and sets request attributes based on a matching route.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class RouterListener implements EventSubscriberInterface
+{
+    private $matcher;
+    private $context;
+    private $logger;
+    private $request;
+
+    /**
+     * Constructor.
+     *
+     * @param UrlMatcherInterface|RequestMatcherInterface $matcher The Url or Request matcher
+     * @param RequestContext|null                         $context The RequestContext (can be null when $matcher implements RequestContextAwareInterface)
+     * @param LoggerInterface|null                        $logger  The logger
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function __construct($matcher, RequestContext $context = null, LoggerInterface $logger = null)
+    {
+        if (!$matcher instanceof UrlMatcherInterface && !$matcher instanceof RequestMatcherInterface) {
+            throw new \InvalidArgumentException('Matcher must either implement UrlMatcherInterface or RequestMatcherInterface.');
+        }
+
+        if (null === $context && !$matcher instanceof RequestContextAwareInterface) {
+            throw new \InvalidArgumentException('You must either pass a RequestContext or the matcher must implement RequestContextAwareInterface.');
+        }
+
+        $this->matcher = $matcher;
+        $this->context = $context ?: $matcher->getContext();
+        $this->logger = $logger;
+    }
+
+    /**
+     * Sets the current Request.
+     *
+     * The application should call this method whenever the Request
+     * object changes (entering a Request scope for instance, but
+     * also when leaving a Request scope -- especially when they are
+     * nested).
+     *
+     * @param Request|null $request A Request instance
+     */
+    public function setRequest(Request $request = null)
+    {
+        if (null !== $request && $this->request !== $request) {
+            $this->context->fromRequest($request);
+        }
+        $this->request = $request;
+    }
+
+    public function onKernelRequest(GetResponseEvent $event)
+    {
+        $request = $event->getRequest();
+
+        // initialize the context that is also used by the generator (assuming matcher and generator share the same context instance)
+        // we call setRequest even if most of the time, it has already been done to keep compatibility
+        // with frameworks which do not use the Symfony service container
+        $this->setRequest($request);
+
+        if ($request->attributes->has('_controller')) {
+            // routing is already done
+            return;
+        }
+
+        // add attributes based on the request (routing)
+        try {
+            // matching a request is more powerful than matching a URL path + context, so try that first
+            if ($this->matcher instanceof RequestMatcherInterface) {
+                $parameters = $this->matcher->matchRequest($request);
+            } else {
+                $parameters = $this->matcher->match($request->getPathInfo());
+            }
+
+            if (null !== $this->logger) {
+                $this->logger->info(sprintf('Matched route "%s" (parameters: %s)', $parameters['_route'], $this->parametersToString($parameters)));
+            }
+
+            $request->attributes->add($parameters);
+            unset($parameters['_route']);
+            unset($parameters['_controller']);
+            $request->attributes->set('_route_params', $parameters);
+        } catch (ResourceNotFoundException $e) {
+            $message = sprintf('No route found for "%s %s"', $request->getMethod(), $request->getPathInfo());
+
+            throw new NotFoundHttpException($message, $e);
+        } catch (MethodNotAllowedException $e) {
+            $message = sprintf('No route found for "%s %s": Method Not Allowed (Allow: %s)', $request->getMethod(), $request->getPathInfo(), strtoupper(implode(', ', $e->getAllowedMethods())));
+
+            throw new MethodNotAllowedHttpException($e->getAllowedMethods(), $message, $e);
+        }
+    }
+
+    private function parametersToString(array $parameters)
+    {
+        $pieces = array();
+        foreach ($parameters as $key => $val) {
+            $pieces[] = sprintf('"%s": "%s"', $key, (is_string($val) ? $val : json_encode($val)));
+        }
+
+        return implode(', ', $pieces);
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::REQUEST => array(array('onKernelRequest', 32)),
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/EventListener/StreamedResponseListener.php

@@ -0,0 +1,52 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\EventListener;
+
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * StreamedResponseListener is responsible for sending the Response
+ * to the client.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class StreamedResponseListener implements EventSubscriberInterface
+{
+    /**
+     * Filters the Response.
+     *
+     * @param FilterResponseEvent $event A FilterResponseEvent instance
+     */
+    public function onKernelResponse(FilterResponseEvent $event)
+    {
+        if (HttpKernelInterface::MASTER_REQUEST !== $event->getRequestType()) {
+            return;
+        }
+
+        $response = $event->getResponse();
+
+        if ($response instanceof StreamedResponse) {
+            $response->send();
+        }
+    }
+
+    public static function getSubscribedEvents()
+    {
+        return array(
+            KernelEvents::RESPONSE => array('onKernelResponse', -1024),
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/AccessDeniedHttpException.php

@@ -0,0 +1,33 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * AccessDeniedHttpException.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class AccessDeniedHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message  The internal exception message
+     * @param \Exception $previous The previous exception
+     * @param integer    $code     The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(403, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/BadRequestHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * BadRequestHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class BadRequestHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(400, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/ConflictHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * ConflictHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class ConflictHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(409, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/FatalErrorException.php

@@ -0,0 +1,25 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+use Symfony\Component\Debug\Exception\FatalErrorException as DebugFatalErrorException;
+
+/**
+ * Fatal Error Exception.
+ *
+ * @author Konstanton Myakshin <koc-dp@yandex.ru>
+ *
+ * @deprecated Deprecated in 2.3, to be removed in 3.0. Use the same class from the Debug component instead.
+ */
+class FatalErrorException extends DebugFatalErrorException
+{
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/FlattenException.php

@@ -0,0 +1,27 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+use Symfony\Component\Debug\Exception\FlattenException as DebugFlattenException;
+
+/**
+ * FlattenException wraps a PHP Exception to be able to serialize it.
+ *
+ * Basically, this class removes all objects from the trace.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated Deprecated in 2.3, to be removed in 3.0. Use the same class from the Debug component instead.
+ */
+class FlattenException extends DebugFlattenException
+{
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/GoneHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * GoneHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class GoneHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(410, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/HttpException.php

@@ -0,0 +1,41 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * HttpException.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class HttpException extends \RuntimeException implements HttpExceptionInterface
+{
+    private $statusCode;
+    private $headers;
+
+    public function __construct($statusCode, $message = null, \Exception $previous = null, array $headers = array(), $code = 0)
+    {
+        $this->statusCode = $statusCode;
+        $this->headers = $headers;
+
+        parent::__construct($message, $code, $previous);
+    }
+
+    public function getStatusCode()
+    {
+        return $this->statusCode;
+    }
+
+    public function getHeaders()
+    {
+        return $this->headers;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/HttpExceptionInterface.php

@@ -0,0 +1,34 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * Interface for HTTP error exceptions.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+interface HttpExceptionInterface
+{
+    /**
+     * Returns the status code.
+     *
+     * @return integer An HTTP response status code
+     */
+    public function getStatusCode();
+
+    /**
+     * Returns response headers.
+     *
+     * @return array Response headers
+     */
+    public function getHeaders();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/LengthRequiredHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * LengthRequiredHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class LengthRequiredHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(411, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/MethodNotAllowedHttpException.php

@@ -0,0 +1,35 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * MethodNotAllowedHttpException.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class MethodNotAllowedHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param array      $allow    An array of allowed methods
+     * @param string     $message  The internal exception message
+     * @param \Exception $previous The previous exception
+     * @param integer    $code     The internal exception code
+     */
+    public function __construct(array $allow, $message = null, \Exception $previous = null, $code = 0)
+    {
+        $headers = array('Allow' => strtoupper(implode(', ', $allow)));
+
+        parent::__construct(405, $message, $previous, $headers, $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/NotAcceptableHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * NotAcceptableHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class NotAcceptableHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(406, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/NotFoundHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * NotFoundHttpException.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class NotFoundHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message  The internal exception message
+     * @param \Exception $previous The previous exception
+     * @param integer    $code     The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(404, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/PreconditionFailedHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * PreconditionFailedHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class PreconditionFailedHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(412, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/PreconditionRequiredHttpException.php

@@ -0,0 +1,33 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * PreconditionRequiredHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ * @see http://tools.ietf.org/html/rfc6585
+ */
+class PreconditionRequiredHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(428, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/ServiceUnavailableHttpException.php

@@ -0,0 +1,38 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * ServiceUnavailableHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class ServiceUnavailableHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param int|string  $retryAfter The number of seconds or HTTP-date after which the request may be retried
+     * @param string      $message    The internal exception message
+     * @param \Exception  $previous   The previous exception
+     * @param integer     $code       The internal exception code
+     */
+    public function __construct($retryAfter = null, $message = null, \Exception $previous = null, $code = 0)
+    {
+        $headers = array();
+        if ($retryAfter) {
+            $headers = array('Retry-After' => $retryAfter);
+        }
+
+        parent::__construct(503, $message, $previous, $headers, $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/TooManyRequestsHttpException.php

@@ -0,0 +1,39 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * TooManyRequestsHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ * @see http://tools.ietf.org/html/rfc6585
+ */
+class TooManyRequestsHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param integer|string $retryAfter The number of seconds or HTTP-date after which the request may be retried
+     * @param string         $message    The internal exception message
+     * @param \Exception     $previous   The previous exception
+     * @param integer        $code       The internal exception code
+     */
+    public function __construct($retryAfter = null, $message = null, \Exception $previous = null, $code = 0)
+    {
+        $headers = array();
+        if ($retryAfter) {
+            $headers = array('Retry-After' => $retryAfter);
+        }
+
+        parent::__construct(429, $message, $previous, $headers, $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/UnauthorizedHttpException.php

@@ -0,0 +1,35 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * UnauthorizedHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class UnauthorizedHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $challenge WWW-Authenticate challenge string
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($challenge, $message = null, \Exception $previous = null, $code = 0)
+    {
+        $headers = array('WWW-Authenticate' => $challenge);
+
+        parent::__construct(401, $message, $previous, $headers, $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Exception/UnsupportedMediaTypeHttpException.php

@@ -0,0 +1,32 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Exception;
+
+/**
+ * UnsupportedMediaTypeHttpException.
+ *
+ * @author Ben Ramsey <ben@benramsey.com>
+ */
+class UnsupportedMediaTypeHttpException extends HttpException
+{
+    /**
+     * Constructor.
+     *
+     * @param string     $message   The internal exception message
+     * @param \Exception $previous  The previous exception
+     * @param integer    $code      The internal exception code
+     */
+    public function __construct($message = null, \Exception $previous = null, $code = 0)
+    {
+        parent::__construct(415, $message, $previous, array(), $code);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/EsiFragmentRenderer.php

@@ -0,0 +1,84 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\HttpCache\Esi;
+
+/**
+ * Implements the ESI rendering strategy.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class EsiFragmentRenderer extends RoutableFragmentRenderer
+{
+    private $esi;
+    private $inlineStrategy;
+
+    /**
+     * Constructor.
+     *
+     * The "fallback" strategy when ESI is not available should always be an
+     * instance of InlineFragmentRenderer.
+     *
+     * @param Esi                    $esi            An Esi instance
+     * @param InlineFragmentRenderer $inlineStrategy The inline strategy to use when ESI is not supported
+     */
+    public function __construct(Esi $esi, InlineFragmentRenderer $inlineStrategy)
+    {
+        $this->esi = $esi;
+        $this->inlineStrategy = $inlineStrategy;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * Note that if the current Request has no ESI capability, this method
+     * falls back to use the inline rendering strategy.
+     *
+     * Additional available options:
+     *
+     *  * alt: an alternative URI to render in case of an error
+     *  * comment: a comment to add when returning an esi:include tag
+     *
+     * @see Symfony\Component\HttpKernel\HttpCache\ESI
+     */
+    public function render($uri, Request $request, array $options = array())
+    {
+        if (!$this->esi->hasSurrogateEsiCapability($request)) {
+            return $this->inlineStrategy->render($uri, $request, $options);
+        }
+
+        if ($uri instanceof ControllerReference) {
+            $uri = $this->generateFragmentUri($uri, $request);
+        }
+
+        $alt = isset($options['alt']) ? $options['alt'] : null;
+        if ($alt instanceof ControllerReference) {
+            $alt = $this->generateFragmentUri($alt, $request);
+        }
+
+        $tag = $this->esi->renderIncludeTag($uri, $alt, isset($options['ignore_errors']) ? $options['ignore_errors'] : false, isset($options['comment']) ? $options['comment'] : '');
+
+        return new Response($tag);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'esi';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php

@@ -0,0 +1,127 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+
+/**
+ * Renders a URI that represents a resource fragment.
+ *
+ * This class handles the rendering of resource fragments that are included into
+ * a main resource. The handling of the rendering is managed by specialized renderers.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @see FragmentRendererInterface
+ */
+class FragmentHandler
+{
+    private $debug;
+    private $renderers;
+    private $request;
+
+    /**
+     * Constructor.
+     *
+     * @param FragmentRendererInterface[] $renderers An array of FragmentRendererInterface instances
+     * @param Boolean                     $debug     Whether the debug mode is enabled or not
+     */
+    public function __construct(array $renderers = array(), $debug = false)
+    {
+        $this->renderers = array();
+        foreach ($renderers as $renderer) {
+            $this->addRenderer($renderer);
+        }
+        $this->debug = $debug;
+    }
+
+    /**
+     * Adds a renderer.
+     *
+     * @param FragmentRendererInterface $renderer A FragmentRendererInterface instance
+     */
+    public function addRenderer(FragmentRendererInterface $renderer)
+    {
+        $this->renderers[$renderer->getName()] = $renderer;
+    }
+
+    /**
+     * Sets the current Request.
+     *
+     * @param Request $request The current Request
+     */
+    public function setRequest(Request $request = null)
+    {
+        $this->request = $request;
+    }
+
+    /**
+     * Renders a URI and returns the Response content.
+     *
+     * Available options:
+     *
+     *  * ignore_errors: true to return an empty string in case of an error
+     *
+     * @param string|ControllerReference $uri      A URI as a string or a ControllerReference instance
+     * @param string                     $renderer The renderer name
+     * @param array                      $options  An array of options
+     *
+     * @return string|null The Response content or null when the Response is streamed
+     *
+     * @throws \InvalidArgumentException when the renderer does not exist
+     * @throws \RuntimeException         when the Response is not successful
+     */
+    public function render($uri, $renderer = 'inline', array $options = array())
+    {
+        if (!isset($options['ignore_errors'])) {
+            $options['ignore_errors'] = !$this->debug;
+        }
+
+        if (!isset($this->renderers[$renderer])) {
+            throw new \InvalidArgumentException(sprintf('The "%s" renderer does not exist.', $renderer));
+        }
+
+        if (null === $this->request) {
+            throw new \LogicException('Rendering a fragment can only be done when handling a master Request.');
+        }
+
+        return $this->deliver($this->renderers[$renderer]->render($uri, $this->request, $options));
+    }
+
+    /**
+     * Delivers the Response as a string.
+     *
+     * When the Response is a StreamedResponse, the content is streamed immediately
+     * instead of being returned.
+     *
+     * @param Response $response A Response instance
+     *
+     * @return string|null The Response content or null when the Response is streamed
+     *
+     * @throws \RuntimeException when the Response is not successful
+     */
+    protected function deliver(Response $response)
+    {
+        if (!$response->isSuccessful()) {
+            throw new \RuntimeException(sprintf('Error when rendering "%s" (Status code is %s).', $this->request->getUri(), $response->getStatusCode()));
+        }
+
+        if (!$response instanceof StreamedResponse) {
+            return $response->getContent();
+        }
+
+        $response->sendContent();
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/FragmentRendererInterface.php

@@ -0,0 +1,43 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+
+/**
+ * Interface implemented by all rendering strategies.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @see Symfony\Component\HttpKernel\FragmentRenderer
+ */
+interface FragmentRendererInterface
+{
+    /**
+     * Renders a URI and returns the Response content.
+     *
+     * @param string|ControllerReference $uri     A URI as a string or a ControllerReference instance
+     * @param Request                    $request A Request instance
+     * @param array                      $options An array of options
+     *
+     * @return Response A Response instance
+     */
+    public function render($uri, Request $request, array $options = array());
+
+    /**
+     * Gets the name of the strategy.
+     *
+     * @return string The strategy name
+     */
+    public function getName();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/HIncludeFragmentRenderer.php

@@ -0,0 +1,162 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+if (!defined('ENT_SUBSTITUTE')) {
+    define('ENT_SUBSTITUTE', 8);
+}
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Templating\EngineInterface;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\UriSigner;
+
+/**
+ * Implements the Hinclude rendering strategy.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class HIncludeFragmentRenderer extends RoutableFragmentRenderer
+{
+    private $globalDefaultTemplate;
+    private $signer;
+    private $templating;
+    private $charset;
+
+    /**
+     * Constructor.
+     *
+     * @param EngineInterface|\Twig_Environment $templating            An EngineInterface or a \Twig_Environment instance
+     * @param UriSigner                         $signer                A UriSigner instance
+     * @param string                            $globalDefaultTemplate The global default content (it can be a template name or the content)
+     * @param string                            $charset
+     */
+    public function __construct($templating = null, UriSigner $signer = null, $globalDefaultTemplate = null, $charset = 'utf-8')
+    {
+        $this->setTemplating($templating);
+        $this->globalDefaultTemplate = $globalDefaultTemplate;
+        $this->signer = $signer;
+        $this->charset = $charset;
+    }
+
+    /**
+     * Sets the templating engine to use to render the default content.
+     *
+     * @param EngineInterface|\Twig_Environment|null $templating An EngineInterface or a \Twig_Environment instance
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setTemplating($templating)
+    {
+        if (null !== $templating && !$templating instanceof EngineInterface && !$templating instanceof \Twig_Environment) {
+            throw new \InvalidArgumentException('The hinclude rendering strategy needs an instance of \Twig_Environment or Symfony\Component\Templating\EngineInterface');
+        }
+
+        $this->templating = $templating;
+    }
+
+    /**
+     * Checks if a templating engine has been set.
+     *
+     * @return Boolean true if the templating engine has been set, false otherwise
+     */
+    public function hasTemplating()
+    {
+        return null !== $this->templating;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * Additional available options:
+     *
+     *  * default:    The default content (it can be a template name or the content)
+     *  * id:         An optional hx:include tag id attribute
+     *  * attributes: An optional array of hx:include tag attributes
+     */
+    public function render($uri, Request $request, array $options = array())
+    {
+        if ($uri instanceof ControllerReference) {
+            if (null === $this->signer) {
+                throw new \LogicException('You must use a proper URI when using the Hinclude rendering strategy or set a URL signer.');
+            }
+
+            $uri = $this->signer->sign($this->generateFragmentUri($uri, $request));
+        }
+
+        // We need to replace ampersands in the URI with the encoded form in order to return valid html/xml content.
+        $uri = str_replace('&', '&amp;', $uri);
+
+        $template = isset($options['default']) ? $options['default'] : $this->globalDefaultTemplate;
+        if (null !== $this->templating && $template && $this->templateExists($template)) {
+            $content = $this->templating->render($template);
+        } else {
+            $content = $template;
+        }
+
+        $attributes = isset($options['attributes']) && is_array($options['attributes']) ? $options['attributes'] : array();
+        if (isset($options['id']) && $options['id']) {
+            $attributes['id'] = $options['id'];
+        }
+        $renderedAttributes = '';
+        if (count($attributes) > 0) {
+            foreach ($attributes as $attribute => $value) {
+                $renderedAttributes .= sprintf(
+                    ' %s="%s"',
+                    htmlspecialchars($attribute, ENT_QUOTES | ENT_SUBSTITUTE, $this->charset, false),
+                    htmlspecialchars($value, ENT_QUOTES | ENT_SUBSTITUTE, $this->charset, false)
+                );
+            }
+        }
+
+        return new Response(sprintf('<hx:include src="%s"%s>%s</hx:include>', $uri, $renderedAttributes, $content));
+    }
+
+    /**
+     * @param string $template
+     *
+     * @return boolean
+     */
+    private function templateExists($template)
+    {
+        if ($this->templating instanceof EngineInterface) {
+            try {
+                return $this->templating->exists($template);
+            } catch (\InvalidArgumentException $e) {
+                return false;
+            }
+        }
+
+        $loader = $this->templating->getLoader();
+        if ($loader instanceof \Twig_ExistsLoaderInterface) {
+            return $loader->exists($template);
+        }
+
+        try {
+            $loader->getSource($template);
+
+            return true;
+        } catch (\Twig_Error_Loader $e) {
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'hinclude';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/InlineFragmentRenderer.php

@@ -0,0 +1,152 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Implements the inline rendering strategy where the Request is rendered by the current HTTP kernel.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class InlineFragmentRenderer extends RoutableFragmentRenderer
+{
+    private $kernel;
+    private $dispatcher;
+
+    /**
+     * Constructor.
+     *
+     * @param HttpKernelInterface $kernel A HttpKernelInterface instance
+     */
+    public function __construct(HttpKernelInterface $kernel, EventDispatcherInterface $dispatcher = null)
+    {
+        $this->kernel = $kernel;
+        $this->dispatcher = $dispatcher;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * Additional available options:
+     *
+     *  * alt: an alternative URI to render in case of an error
+     */
+    public function render($uri, Request $request, array $options = array())
+    {
+        $reference = null;
+        if ($uri instanceof ControllerReference) {
+            $reference = $uri;
+
+            // Remove attributes from the generated URI because if not, the Symfony
+            // routing system will use them to populate the Request attributes. We don't
+            // want that as we want to preserve objects (so we manually set Request attributes
+            // below instead)
+            $attributes = $reference->attributes;
+            $reference->attributes = array();
+
+            // The request format and locale might have been overriden by the user
+            foreach (array('_format', '_locale') as $key) {
+                if (isset($attributes[$key])) {
+                    $reference->attributes[$key] = $attributes[$key];
+                }
+            }
+
+            $uri = $this->generateFragmentUri($uri, $request);
+            $reference->attributes = array_merge($attributes, $reference->attributes);
+        }
+
+        $subRequest = $this->createSubRequest($uri, $request);
+
+        // override Request attributes as they can be objects (which are not supported by the generated URI)
+        if (null !== $reference) {
+            $subRequest->attributes->add($reference->attributes);
+        }
+
+        $level = ob_get_level();
+        try {
+            return $this->kernel->handle($subRequest, HttpKernelInterface::SUB_REQUEST, false);
+        } catch (\Exception $e) {
+            // we dispatch the exception event to trigger the logging
+            // the response that comes back is simply ignored
+            if (isset($options['ignore_errors']) && $options['ignore_errors'] && $this->dispatcher) {
+                $event = new GetResponseForExceptionEvent($this->kernel, $request, HttpKernelInterface::SUB_REQUEST, $e);
+
+                $this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event);
+            }
+
+            // let's clean up the output buffers that were created by the sub-request
+            while (ob_get_level() > $level) {
+                ob_get_clean();
+            }
+
+            if (isset($options['alt'])) {
+                $alt = $options['alt'];
+                unset($options['alt']);
+
+                return $this->render($alt, $request, $options);
+            }
+
+            if (!isset($options['ignore_errors']) || !$options['ignore_errors']) {
+                throw $e;
+            }
+
+            return new Response();
+        }
+    }
+
+    protected function createSubRequest($uri, Request $request)
+    {
+        $cookies = $request->cookies->all();
+        $server = $request->server->all();
+
+        // Override the arguments to emulate a sub-request.
+        // Sub-request object will point to localhost as client ip and real client ip
+        // will be included into trusted header for client ip
+        try {
+            if ($trustedHeaderName = Request::getTrustedHeaderName(Request::HEADER_CLIENT_IP)) {
+                $currentXForwardedFor = $request->headers->get($trustedHeaderName, '');
+
+                $server['HTTP_'.$trustedHeaderName] = ($currentXForwardedFor ? $currentXForwardedFor.', ' : '').$request->getClientIp();
+            }
+        } catch (\InvalidArgumentException $e) {
+            // Do nothing
+        }
+
+        $server['REMOTE_ADDR'] = '127.0.0.1';
+
+        $subRequest = $request::create($uri, 'get', array(), $cookies, array(), $server);
+        if ($request->headers->has('Surrogate-Capability')) {
+            $subRequest->headers->set('Surrogate-Capability', $request->headers->get('Surrogate-Capability'));
+        }
+
+        if ($session = $request->getSession()) {
+            $subRequest->setSession($session);
+        }
+
+        return $subRequest;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'inline';
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Fragment/RoutableFragmentRenderer.php

@@ -0,0 +1,74 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Fragment;
+
+use Symfony\Component\HttpKernel\Controller\ControllerReference;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\EventListener\FragmentListener;
+
+/**
+ * Adds the possibility to generate a fragment URI for a given Controller.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class RoutableFragmentRenderer implements FragmentRendererInterface
+{
+    private $fragmentPath = '/_fragment';
+
+    /**
+     * Sets the fragment path that triggers the fragment listener.
+     *
+     * @param string $path The path
+     *
+     * @see FragmentListener
+     */
+    public function setFragmentPath($path)
+    {
+        $this->fragmentPath = $path;
+    }
+
+    /**
+     * Generates a fragment URI for a given controller.
+     *
+     * @param ControllerReference  $reference A ControllerReference instance
+     * @param Request              $request   A Request instance
+     * @param Boolean              $absolute  Whether to generate an absolute URL or not
+     *
+     * @return string A fragment URI
+     */
+    protected function generateFragmentUri(ControllerReference $reference, Request $request, $absolute = false)
+    {
+        // We need to forward the current _format and _locale values as we don't have
+        // a proper routing pattern to do the job for us.
+        // This makes things inconsistent if you switch from rendering a controller
+        // to rendering a route if the route pattern does not contain the special
+        // _format and _locale placeholders.
+        if (!isset($reference->attributes['_format'])) {
+            $reference->attributes['_format'] = $request->getRequestFormat();
+        }
+        if (!isset($reference->attributes['_locale'])) {
+            $reference->attributes['_locale'] = $request->getLocale();
+        }
+
+        $reference->attributes['_controller'] = $reference->controller;
+
+        $reference->query['_path'] = http_build_query($reference->attributes, '', '&');
+
+        $path = $this->fragmentPath.'?'.http_build_query($reference->query, '', '&');
+
+        if ($absolute) {
+            return $request->getUriForPath($path);
+        }
+
+        return $request->getBaseUrl().$path;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/Esi.php

@@ -0,0 +1,245 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+
+/**
+ * Esi implements the ESI capabilities to Request and Response instances.
+ *
+ * For more information, read the following W3C notes:
+ *
+ *  * ESI Language Specification 1.0 (http://www.w3.org/TR/esi-lang)
+ *
+ *  * Edge Architecture Specification (http://www.w3.org/TR/edge-arch)
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Esi
+{
+    private $contentTypes;
+
+    /**
+     * Constructor.
+     *
+     * @param array $contentTypes An array of content-type that should be parsed for ESI information.
+     *                           (default: text/html, text/xml, application/xhtml+xml, and application/xml)
+     */
+    public function __construct(array $contentTypes = array('text/html', 'text/xml', 'application/xhtml+xml', 'application/xml'))
+    {
+        $this->contentTypes = $contentTypes;
+    }
+
+    /**
+     * Returns a new cache strategy instance.
+     *
+     * @return EsiResponseCacheStrategyInterface A EsiResponseCacheStrategyInterface instance
+     */
+    public function createCacheStrategy()
+    {
+        return new EsiResponseCacheStrategy();
+    }
+
+    /**
+     * Checks that at least one surrogate has ESI/1.0 capability.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean true if one surrogate has ESI/1.0 capability, false otherwise
+     */
+    public function hasSurrogateEsiCapability(Request $request)
+    {
+        if (null === $value = $request->headers->get('Surrogate-Capability')) {
+            return false;
+        }
+
+        return false !== strpos($value, 'ESI/1.0');
+    }
+
+    /**
+     * Adds ESI/1.0 capability to the given Request.
+     *
+     * @param Request $request A Request instance
+     */
+    public function addSurrogateEsiCapability(Request $request)
+    {
+        $current = $request->headers->get('Surrogate-Capability');
+        $new = 'symfony2="ESI/1.0"';
+
+        $request->headers->set('Surrogate-Capability', $current ? $current.', '.$new : $new);
+    }
+
+    /**
+     * Adds HTTP headers to specify that the Response needs to be parsed for ESI.
+     *
+     * This method only adds an ESI HTTP header if the Response has some ESI tags.
+     *
+     * @param Response $response A Response instance
+     */
+    public function addSurrogateControl(Response $response)
+    {
+        if (false !== strpos($response->getContent(), '<esi:include')) {
+            $response->headers->set('Surrogate-Control', 'content="ESI/1.0"');
+        }
+    }
+
+    /**
+     * Checks that the Response needs to be parsed for ESI tags.
+     *
+     * @param Response $response A Response instance
+     *
+     * @return Boolean true if the Response needs to be parsed, false otherwise
+     */
+    public function needsEsiParsing(Response $response)
+    {
+        if (!$control = $response->headers->get('Surrogate-Control')) {
+            return false;
+        }
+
+        return (Boolean) preg_match('#content="[^"]*ESI/1.0[^"]*"#', $control);
+    }
+
+    /**
+     * Renders an ESI tag.
+     *
+     * @param string  $uri          A URI
+     * @param string  $alt          An alternate URI
+     * @param Boolean $ignoreErrors Whether to ignore errors or not
+     * @param string  $comment      A comment to add as an esi:include tag
+     *
+     * @return string
+     */
+    public function renderIncludeTag($uri, $alt = null, $ignoreErrors = true, $comment = '')
+    {
+        $html = sprintf('<esi:include src="%s"%s%s />',
+            $uri,
+            $ignoreErrors ? ' onerror="continue"' : '',
+            $alt ? sprintf(' alt="%s"', $alt) : ''
+        );
+
+        if (!empty($comment)) {
+            return sprintf("<esi:comment text=\"%s\" />\n%s", $comment, $html);
+        }
+
+        return $html;
+    }
+
+    /**
+     * Replaces a Response ESI tags with the included resource content.
+     *
+     * @param Request  $request  A Request instance
+     * @param Response $response A Response instance
+     *
+     * @return Response
+     */
+    public function process(Request $request, Response $response)
+    {
+        $this->request = $request;
+        $type = $response->headers->get('Content-Type');
+        if (empty($type)) {
+            $type = 'text/html';
+        }
+
+        $parts = explode(';', $type);
+        if (!in_array($parts[0], $this->contentTypes)) {
+            return $response;
+        }
+
+        // we don't use a proper XML parser here as we can have ESI tags in a plain text response
+        $content = $response->getContent();
+        $content = str_replace(array('<?', '<%'), array('<?php echo "<?"; ?>', '<?php echo "<%"; ?>'), $content);
+        $content = preg_replace_callback('#<esi\:include\s+(.*?)\s*(?:/|</esi\:include)>#', array($this, 'handleEsiIncludeTag'), $content);
+        $content = preg_replace('#<esi\:comment[^>]*(?:/|</esi\:comment)>#', '', $content);
+        $content = preg_replace('#<esi\:remove>.*?</esi\:remove>#', '', $content);
+
+        $response->setContent($content);
+        $response->headers->set('X-Body-Eval', 'ESI');
+
+        // remove ESI/1.0 from the Surrogate-Control header
+        if ($response->headers->has('Surrogate-Control')) {
+            $value = $response->headers->get('Surrogate-Control');
+            if ('content="ESI/1.0"' == $value) {
+                $response->headers->remove('Surrogate-Control');
+            } elseif (preg_match('#,\s*content="ESI/1.0"#', $value)) {
+                $response->headers->set('Surrogate-Control', preg_replace('#,\s*content="ESI/1.0"#', '', $value));
+            } elseif (preg_match('#content="ESI/1.0",\s*#', $value)) {
+                $response->headers->set('Surrogate-Control', preg_replace('#content="ESI/1.0",\s*#', '', $value));
+            }
+        }
+    }
+
+    /**
+     * Handles an ESI from the cache.
+     *
+     * @param HttpCache $cache        An HttpCache instance
+     * @param string    $uri          The main URI
+     * @param string    $alt          An alternative URI
+     * @param Boolean   $ignoreErrors Whether to ignore errors or not
+     *
+     * @return string
+     *
+     * @throws \RuntimeException
+     * @throws \Exception
+     */
+    public function handle(HttpCache $cache, $uri, $alt, $ignoreErrors)
+    {
+        $subRequest = Request::create($uri, 'get', array(), $cache->getRequest()->cookies->all(), array(), $cache->getRequest()->server->all());
+
+        try {
+            $response = $cache->handle($subRequest, HttpKernelInterface::SUB_REQUEST, true);
+
+            if (!$response->isSuccessful()) {
+                throw new \RuntimeException(sprintf('Error when rendering "%s" (Status code is %s).', $subRequest->getUri(), $response->getStatusCode()));
+            }
+
+            return $response->getContent();
+        } catch (\Exception $e) {
+            if ($alt) {
+                return $this->handle($cache, $alt, '', $ignoreErrors);
+            }
+
+            if (!$ignoreErrors) {
+                throw $e;
+            }
+        }
+    }
+
+    /**
+     * Handles an ESI include tag (called internally).
+     *
+     * @param array $attributes An array containing the attributes.
+     *
+     * @return string The response content for the include.
+     *
+     * @throws \RuntimeException
+     */
+    private function handleEsiIncludeTag($attributes)
+    {
+        $options = array();
+        preg_match_all('/(src|onerror|alt)="([^"]*?)"/', $attributes[1], $matches, PREG_SET_ORDER);
+        foreach ($matches as $set) {
+            $options[$set[1]] = $set[2];
+        }
+
+        if (!isset($options['src'])) {
+            throw new \RuntimeException('Unable to process an ESI tag without a "src" attribute.');
+        }
+
+        return sprintf('<?php echo $this->esi->handle($this, \'%s\', \'%s\', %s) ?>'."\n",
+            $options['src'],
+            isset($options['alt']) ? $options['alt'] : null,
+            isset($options['onerror']) && 'continue' == $options['onerror'] ? 'true' : 'false'
+        );
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/EsiResponseCacheStrategy.php

@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This code is partially based on the Rack-Cache library by Ryan Tomayko,
+ * which is released under the MIT license.
+ * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * EsiResponseCacheStrategy knows how to compute the Response cache HTTP header
+ * based on the different ESI response cache headers.
+ *
+ * This implementation changes the master response TTL to the smallest TTL received
+ * or force validation if one of the ESI has validation cache strategy.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class EsiResponseCacheStrategy implements EsiResponseCacheStrategyInterface
+{
+    private $cacheable = true;
+    private $embeddedResponses = 0;
+    private $ttls = array();
+    private $maxAges = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function add(Response $response)
+    {
+        if ($response->isValidateable()) {
+            $this->cacheable = false;
+        } else {
+            $this->ttls[] = $response->getTtl();
+            $this->maxAges[] = $response->getMaxAge();
+        }
+
+        $this->embeddedResponses++;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function update(Response $response)
+    {
+        // if we have no embedded Response, do nothing
+        if (0 === $this->embeddedResponses) {
+            return;
+        }
+
+        // Remove validation related headers in order to avoid browsers using
+        // their own cache, because some of the response content comes from
+        // at least one embedded response (which likely has a different caching strategy).
+        if ($response->isValidateable()) {
+            $response->setEtag(null);
+            $response->setLastModified(null);
+            $this->cacheable = false;
+        }
+
+        if (!$this->cacheable) {
+            $response->headers->set('Cache-Control', 'no-cache, must-revalidate');
+
+            return;
+        }
+
+        $this->ttls[] = $response->getTtl();
+        $this->maxAges[] = $response->getMaxAge();
+
+        if (null !== $maxAge = min($this->maxAges)) {
+            $response->setSharedMaxAge($maxAge);
+            $response->headers->set('Age', $maxAge - min($this->ttls));
+        }
+        $response->setMaxAge(0);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/EsiResponseCacheStrategyInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This code is partially based on the Rack-Cache library by Ryan Tomayko,
+ * which is released under the MIT license.
+ * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * EsiResponseCacheStrategyInterface implementations know how to compute the
+ * Response cache HTTP header based on the different ESI response cache headers.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface EsiResponseCacheStrategyInterface
+{
+    /**
+     * Adds a Response.
+     *
+     * @param Response $response
+     */
+    public function add(Response $response);
+
+    /**
+     * Updates the Response HTTP headers based on the embedded Responses.
+     *
+     * @param Response $response
+     */
+    public function update(Response $response);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php

@@ -0,0 +1,688 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This code is partially based on the Rack-Cache library by Ryan Tomayko,
+ * which is released under the MIT license.
+ * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\TerminableInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpCache\Esi;
+
+/**
+ * Cache provides HTTP caching.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class HttpCache implements HttpKernelInterface, TerminableInterface
+{
+    private $kernel;
+    private $store;
+    private $request;
+    private $esi;
+    private $esiCacheStrategy;
+    private $traces;
+
+    /**
+     * Constructor.
+     *
+     * The available options are:
+     *
+     *   * debug:                 If true, the traces are added as a HTTP header to ease debugging
+     *
+     *   * default_ttl            The number of seconds that a cache entry should be considered
+     *                            fresh when no explicit freshness information is provided in
+     *                            a response. Explicit Cache-Control or Expires headers
+     *                            override this value. (default: 0)
+     *
+     *   * private_headers        Set of request headers that trigger "private" cache-control behavior
+     *                            on responses that don't explicitly state whether the response is
+     *                            public or private via a Cache-Control directive. (default: Authorization and Cookie)
+     *
+     *   * allow_reload           Specifies whether the client can force a cache reload by including a
+     *                            Cache-Control "no-cache" directive in the request. Set it to ``true``
+     *                            for compliance with RFC 2616. (default: false)
+     *
+     *   * allow_revalidate       Specifies whether the client can force a cache revalidate by including
+     *                            a Cache-Control "max-age=0" directive in the request. Set it to ``true``
+     *                            for compliance with RFC 2616. (default: false)
+     *
+     *   * stale_while_revalidate Specifies the default number of seconds (the granularity is the second as the
+     *                            Response TTL precision is a second) during which the cache can immediately return
+     *                            a stale response while it revalidates it in the background (default: 2).
+     *                            This setting is overridden by the stale-while-revalidate HTTP Cache-Control
+     *                            extension (see RFC 5861).
+     *
+     *   * stale_if_error         Specifies the default number of seconds (the granularity is the second) during which
+     *                            the cache can serve a stale response when an error is encountered (default: 60).
+     *                            This setting is overridden by the stale-if-error HTTP Cache-Control extension
+     *                            (see RFC 5861).
+     *
+     * @param HttpKernelInterface $kernel  An HttpKernelInterface instance
+     * @param StoreInterface      $store   A Store instance
+     * @param Esi                 $esi     An Esi instance
+     * @param array               $options An array of options
+     */
+    public function __construct(HttpKernelInterface $kernel, StoreInterface $store, Esi $esi = null, array $options = array())
+    {
+        $this->store = $store;
+        $this->kernel = $kernel;
+
+        // needed in case there is a fatal error because the backend is too slow to respond
+        register_shutdown_function(array($this->store, 'cleanup'));
+
+        $this->options = array_merge(array(
+            'debug'                  => false,
+            'default_ttl'            => 0,
+            'private_headers'        => array('Authorization', 'Cookie'),
+            'allow_reload'           => false,
+            'allow_revalidate'       => false,
+            'stale_while_revalidate' => 2,
+            'stale_if_error'         => 60,
+        ), $options);
+        $this->esi = $esi;
+        $this->traces = array();
+    }
+
+    /**
+     * Gets the current store.
+     *
+     * @return StoreInterface $store A StoreInterface instance
+     */
+    public function getStore()
+    {
+        return $this->store;
+    }
+
+    /**
+     * Returns an array of events that took place during processing of the last request.
+     *
+     * @return array An array of events
+     */
+    public function getTraces()
+    {
+        return $this->traces;
+    }
+
+    /**
+     * Returns a log message for the events of the last request processing.
+     *
+     * @return string A log message
+     */
+    public function getLog()
+    {
+        $log = array();
+        foreach ($this->traces as $request => $traces) {
+            $log[] = sprintf('%s: %s', $request, implode(', ', $traces));
+        }
+
+        return implode('; ', $log);
+    }
+
+    /**
+     * Gets the Request instance associated with the master request.
+     *
+     * @return Request A Request instance
+     */
+    public function getRequest()
+    {
+        return $this->request;
+    }
+
+    /**
+     * Gets the Kernel instance
+     *
+     * @return HttpKernelInterface An HttpKernelInterface instance
+     */
+    public function getKernel()
+    {
+        return $this->kernel;
+    }
+
+
+    /**
+     * Gets the Esi instance
+     *
+     * @return Esi An Esi instance
+     */
+    public function getEsi()
+    {
+        return $this->esi;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        // FIXME: catch exceptions and implement a 500 error page here? -> in Varnish, there is a built-in error page mechanism
+        if (HttpKernelInterface::MASTER_REQUEST === $type) {
+            $this->traces = array();
+            $this->request = $request;
+            if (null !== $this->esi) {
+                $this->esiCacheStrategy = $this->esi->createCacheStrategy();
+            }
+        }
+
+        $path = $request->getPathInfo();
+        if ($qs = $request->getQueryString()) {
+            $path .= '?'.$qs;
+        }
+        $this->traces[$request->getMethod().' '.$path] = array();
+
+        if (!$request->isMethodSafe()) {
+            $response = $this->invalidate($request, $catch);
+        } elseif ($request->headers->has('expect')) {
+            $response = $this->pass($request, $catch);
+        } else {
+            $response = $this->lookup($request, $catch);
+        }
+
+        $this->restoreResponseBody($request, $response);
+
+        $response->setDate(new \DateTime(null, new \DateTimeZone('UTC')));
+
+        if (HttpKernelInterface::MASTER_REQUEST === $type && $this->options['debug']) {
+            $response->headers->set('X-Symfony-Cache', $this->getLog());
+        }
+
+        if (null !== $this->esi) {
+            if (HttpKernelInterface::MASTER_REQUEST === $type) {
+                $this->esiCacheStrategy->update($response);
+            } else {
+                $this->esiCacheStrategy->add($response);
+            }
+        }
+
+        $response->prepare($request);
+
+        $response->isNotModified($request);
+
+        return $response;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function terminate(Request $request, Response $response)
+    {
+        if ($this->getKernel() instanceof TerminableInterface) {
+            $this->getKernel()->terminate($request, $response);
+        }
+    }
+
+    /**
+     * Forwards the Request to the backend without storing the Response in the cache.
+     *
+     * @param Request $request A Request instance
+     * @param Boolean $catch   Whether to process exceptions
+     *
+     * @return Response A Response instance
+     */
+    protected function pass(Request $request, $catch = false)
+    {
+        $this->record($request, 'pass');
+
+        return $this->forward($request, $catch);
+    }
+
+    /**
+     * Invalidates non-safe methods (like POST, PUT, and DELETE).
+     *
+     * @param Request $request A Request instance
+     * @param Boolean $catch   Whether to process exceptions
+     *
+     * @return Response A Response instance
+     *
+     * @throws \Exception
+     *
+     * @see RFC2616 13.10
+     */
+    protected function invalidate(Request $request, $catch = false)
+    {
+        $response = $this->pass($request, $catch);
+
+        // invalidate only when the response is successful
+        if ($response->isSuccessful() || $response->isRedirect()) {
+            try {
+                $this->store->invalidate($request, $catch);
+
+                // As per the RFC, invalidate Location and Content-Location URLs if present
+                foreach (array('Location', 'Content-Location') as $header) {
+                    if ($uri = $response->headers->get($header)) {
+                        $subRequest = $request::create($uri, 'get', array(), array(), array(), $request->server->all());
+
+                        $this->store->invalidate($subRequest);
+                    }
+                }
+
+                $this->record($request, 'invalidate');
+            } catch (\Exception $e) {
+                $this->record($request, 'invalidate-failed');
+
+                if ($this->options['debug']) {
+                    throw $e;
+                }
+            }
+        }
+
+        return $response;
+    }
+
+    /**
+     * Lookups a Response from the cache for the given Request.
+     *
+     * When a matching cache entry is found and is fresh, it uses it as the
+     * response without forwarding any request to the backend. When a matching
+     * cache entry is found but is stale, it attempts to "validate" the entry with
+     * the backend using conditional GET. When no matching cache entry is found,
+     * it triggers "miss" processing.
+     *
+     * @param Request $request A Request instance
+     * @param Boolean $catch   whether to process exceptions
+     *
+     * @return Response A Response instance
+     *
+     * @throws \Exception
+     */
+    protected function lookup(Request $request, $catch = false)
+    {
+        // if allow_reload and no-cache Cache-Control, allow a cache reload
+        if ($this->options['allow_reload'] && $request->isNoCache()) {
+            $this->record($request, 'reload');
+
+            return $this->fetch($request);
+        }
+
+        try {
+            $entry = $this->store->lookup($request);
+        } catch (\Exception $e) {
+            $this->record($request, 'lookup-failed');
+
+            if ($this->options['debug']) {
+                throw $e;
+            }
+
+            return $this->pass($request, $catch);
+        }
+
+        if (null === $entry) {
+            $this->record($request, 'miss');
+
+            return $this->fetch($request, $catch);
+        }
+
+        if (!$this->isFreshEnough($request, $entry)) {
+            $this->record($request, 'stale');
+
+            return $this->validate($request, $entry, $catch);
+        }
+
+        $this->record($request, 'fresh');
+
+        $entry->headers->set('Age', $entry->getAge());
+
+        return $entry;
+    }
+
+    /**
+     * Validates that a cache entry is fresh.
+     *
+     * The original request is used as a template for a conditional
+     * GET request with the backend.
+     *
+     * @param Request  $request A Request instance
+     * @param Response $entry   A Response instance to validate
+     * @param Boolean  $catch   Whether to process exceptions
+     *
+     * @return Response A Response instance
+     */
+    protected function validate(Request $request, Response $entry, $catch = false)
+    {
+        $subRequest = clone $request;
+
+        // send no head requests because we want content
+        $subRequest->setMethod('GET');
+
+        // add our cached last-modified validator
+        $subRequest->headers->set('if_modified_since', $entry->headers->get('Last-Modified'));
+
+        // Add our cached etag validator to the environment.
+        // We keep the etags from the client to handle the case when the client
+        // has a different private valid entry which is not cached here.
+        $cachedEtags = $entry->getEtag() ? array($entry->getEtag()) : array();
+        $requestEtags = $request->getEtags();
+        if ($etags = array_unique(array_merge($cachedEtags, $requestEtags))) {
+            $subRequest->headers->set('if_none_match', implode(', ', $etags));
+        }
+
+        $response = $this->forward($subRequest, $catch, $entry);
+
+        if (304 == $response->getStatusCode()) {
+            $this->record($request, 'valid');
+
+            // return the response and not the cache entry if the response is valid but not cached
+            $etag = $response->getEtag();
+            if ($etag && in_array($etag, $requestEtags) && !in_array($etag, $cachedEtags)) {
+                return $response;
+            }
+
+            $entry = clone $entry;
+            $entry->headers->remove('Date');
+
+            foreach (array('Date', 'Expires', 'Cache-Control', 'ETag', 'Last-Modified') as $name) {
+                if ($response->headers->has($name)) {
+                    $entry->headers->set($name, $response->headers->get($name));
+                }
+            }
+
+            $response = $entry;
+        } else {
+            $this->record($request, 'invalid');
+        }
+
+        if ($response->isCacheable()) {
+            $this->store($request, $response);
+        }
+
+        return $response;
+    }
+
+    /**
+     * Forwards the Request to the backend and determines whether the response should be stored.
+     *
+     * This methods is triggered when the cache missed or a reload is required.
+     *
+     * @param Request $request A Request instance
+     * @param Boolean $catch   whether to process exceptions
+     *
+     * @return Response A Response instance
+     */
+    protected function fetch(Request $request, $catch = false)
+    {
+        $subRequest = clone $request;
+
+        // send no head requests because we want content
+        $subRequest->setMethod('GET');
+
+        // avoid that the backend sends no content
+        $subRequest->headers->remove('if_modified_since');
+        $subRequest->headers->remove('if_none_match');
+
+        $response = $this->forward($subRequest, $catch);
+
+        if ($this->isPrivateRequest($request) && !$response->headers->hasCacheControlDirective('public')) {
+            $response->setPrivate(true);
+        } elseif ($this->options['default_ttl'] > 0 && null === $response->getTtl() && !$response->headers->getCacheControlDirective('must-revalidate')) {
+            $response->setTtl($this->options['default_ttl']);
+        }
+
+        if ($response->isCacheable()) {
+            $this->store($request, $response);
+        }
+
+        return $response;
+    }
+
+    /**
+     * Forwards the Request to the backend and returns the Response.
+     *
+     * @param Request  $request A Request instance
+     * @param Boolean  $catch   Whether to catch exceptions or not
+     * @param Response $entry   A Response instance (the stale entry if present, null otherwise)
+     *
+     * @return Response A Response instance
+     */
+    protected function forward(Request $request, $catch = false, Response $entry = null)
+    {
+        if ($this->esi) {
+            $this->esi->addSurrogateEsiCapability($request);
+        }
+
+        // modify the X-Forwarded-For header if needed
+        $forwardedFor = $request->headers->get('X-Forwarded-For');
+        if ($forwardedFor) {
+            $request->headers->set('X-Forwarded-For', $forwardedFor.', '.$request->server->get('REMOTE_ADDR'));
+        } else {
+            $request->headers->set('X-Forwarded-For', $request->server->get('REMOTE_ADDR'));
+        }
+
+        // fix the client IP address by setting it to 127.0.0.1 as HttpCache
+        // is always called from the same process as the backend.
+        $request->server->set('REMOTE_ADDR', '127.0.0.1');
+
+        // always a "master" request (as the real master request can be in cache)
+        $response = $this->kernel->handle($request, HttpKernelInterface::MASTER_REQUEST, $catch);
+        // FIXME: we probably need to also catch exceptions if raw === true
+
+        // we don't implement the stale-if-error on Requests, which is nonetheless part of the RFC
+        if (null !== $entry && in_array($response->getStatusCode(), array(500, 502, 503, 504))) {
+            if (null === $age = $entry->headers->getCacheControlDirective('stale-if-error')) {
+                $age = $this->options['stale_if_error'];
+            }
+
+            if (abs($entry->getTtl()) < $age) {
+                $this->record($request, 'stale-if-error');
+
+                return $entry;
+            }
+        }
+
+        $this->processResponseBody($request, $response);
+
+        return $response;
+    }
+
+    /**
+     * Checks whether the cache entry is "fresh enough" to satisfy the Request.
+     *
+     * @param Request  $request A Request instance
+     * @param Response $entry   A Response instance
+     *
+     * @return Boolean true if the cache entry if fresh enough, false otherwise
+     */
+    protected function isFreshEnough(Request $request, Response $entry)
+    {
+        if (!$entry->isFresh()) {
+            return $this->lock($request, $entry);
+        }
+
+        if ($this->options['allow_revalidate'] && null !== $maxAge = $request->headers->getCacheControlDirective('max-age')) {
+            return $maxAge > 0 && $maxAge >= $entry->getAge();
+        }
+
+        return true;
+    }
+
+    /**
+     * Locks a Request during the call to the backend.
+     *
+     * @param Request  $request A Request instance
+     * @param Response $entry   A Response instance
+     *
+     * @return Boolean true if the cache entry can be returned even if it is staled, false otherwise
+     */
+    protected function lock(Request $request, Response $entry)
+    {
+        // try to acquire a lock to call the backend
+        $lock = $this->store->lock($request, $entry);
+
+        // there is already another process calling the backend
+        if (true !== $lock) {
+            // check if we can serve the stale entry
+            if (null === $age = $entry->headers->getCacheControlDirective('stale-while-revalidate')) {
+                $age = $this->options['stale_while_revalidate'];
+            }
+
+            if (abs($entry->getTtl()) < $age) {
+                $this->record($request, 'stale-while-revalidate');
+
+                // server the stale response while there is a revalidation
+                return true;
+            }
+
+            // wait for the lock to be released
+            $wait = 0;
+            while ($this->store->isLocked($request) && $wait < 5000000) {
+                usleep(50000);
+                $wait += 50000;
+            }
+
+            if ($wait < 2000000) {
+                // replace the current entry with the fresh one
+                $new = $this->lookup($request);
+                $entry->headers = $new->headers;
+                $entry->setContent($new->getContent());
+                $entry->setStatusCode($new->getStatusCode());
+                $entry->setProtocolVersion($new->getProtocolVersion());
+                foreach ($new->headers->getCookies() as $cookie) {
+                    $entry->headers->setCookie($cookie);
+                }
+            } else {
+                // backend is slow as hell, send a 503 response (to avoid the dog pile effect)
+                $entry->setStatusCode(503);
+                $entry->setContent('503 Service Unavailable');
+                $entry->headers->set('Retry-After', 10);
+            }
+
+            return true;
+        }
+
+        // we have the lock, call the backend
+        return false;
+    }
+
+    /**
+     * Writes the Response to the cache.
+     *
+     * @param Request  $request  A Request instance
+     * @param Response $response A Response instance
+     *
+     * @throws \Exception
+     */
+    protected function store(Request $request, Response $response)
+    {
+        try {
+            $this->store->write($request, $response);
+
+            $this->record($request, 'store');
+
+            $response->headers->set('Age', $response->getAge());
+        } catch (\Exception $e) {
+            $this->record($request, 'store-failed');
+
+            if ($this->options['debug']) {
+                throw $e;
+            }
+        }
+
+        // now that the response is cached, release the lock
+        $this->store->unlock($request);
+    }
+
+    /**
+     * Restores the Response body.
+     *
+     * @param Request  $request  A Request instance
+     * @param Response $response A Response instance
+     *
+     * @return Response A Response instance
+     */
+    private function restoreResponseBody(Request $request, Response $response)
+    {
+        if ($request->isMethod('HEAD') || 304 === $response->getStatusCode()) {
+            $response->setContent(null);
+            $response->headers->remove('X-Body-Eval');
+            $response->headers->remove('X-Body-File');
+
+            return;
+        }
+
+        if ($response->headers->has('X-Body-Eval')) {
+            ob_start();
+
+            if ($response->headers->has('X-Body-File')) {
+                include $response->headers->get('X-Body-File');
+            } else {
+                eval('; ?>'.$response->getContent().'<?php ;');
+            }
+
+            $response->setContent(ob_get_clean());
+            $response->headers->remove('X-Body-Eval');
+            if (!$response->headers->has('Transfer-Encoding')) {
+                $response->headers->set('Content-Length', strlen($response->getContent()));
+            }
+        } elseif ($response->headers->has('X-Body-File')) {
+            $response->setContent(file_get_contents($response->headers->get('X-Body-File')));
+        } else {
+            return;
+        }
+
+        $response->headers->remove('X-Body-File');
+    }
+
+    protected function processResponseBody(Request $request, Response $response)
+    {
+        if (null !== $this->esi && $this->esi->needsEsiParsing($response)) {
+            $this->esi->process($request, $response);
+        }
+    }
+
+    /**
+     * Checks if the Request includes authorization or other sensitive information
+     * that should cause the Response to be considered private by default.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean true if the Request is private, false otherwise
+     */
+    private function isPrivateRequest(Request $request)
+    {
+        foreach ($this->options['private_headers'] as $key) {
+            $key = strtolower(str_replace('HTTP_', '', $key));
+
+            if ('cookie' === $key) {
+                if (count($request->cookies->all())) {
+                    return true;
+                }
+            } elseif ($request->headers->has($key)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Records that an event took place.
+     *
+     * @param Request $request A Request instance
+     * @param string  $event   The event name
+     */
+    private function record(Request $request, $event)
+    {
+        $path = $request->getPathInfo();
+        if ($qs = $request->getQueryString()) {
+            $path .= '?'.$qs;
+        }
+        $this->traces[$request->getMethod().' '.$path][] = $event;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/Store.php

@@ -0,0 +1,429 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This code is partially based on the Rack-Cache library by Ryan Tomayko,
+ * which is released under the MIT license.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Store implements all the logic for storing cache metadata (Request and Response headers).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Store implements StoreInterface
+{
+    protected $root;
+    private $keyCache;
+    private $locks;
+
+    /**
+     * Constructor.
+     *
+     * @param string $root The path to the cache directory
+     */
+    public function __construct($root)
+    {
+        $this->root = $root;
+        if (!is_dir($this->root)) {
+            mkdir($this->root, 0777, true);
+        }
+        $this->keyCache = new \SplObjectStorage();
+        $this->locks = array();
+    }
+
+    /**
+     * Cleanups storage.
+     */
+    public function cleanup()
+    {
+        // unlock everything
+        foreach ($this->locks as $lock) {
+            @unlink($lock);
+        }
+
+        $error = error_get_last();
+        if (1 === $error['type'] && false === headers_sent()) {
+            // send a 503
+            header('HTTP/1.0 503 Service Unavailable');
+            header('Retry-After: 10');
+            echo '503 Service Unavailable';
+        }
+    }
+
+    /**
+     * Locks the cache for a given Request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean|string true if the lock is acquired, the path to the current lock otherwise
+     */
+    public function lock(Request $request)
+    {
+        $path = $this->getPath($this->getCacheKey($request).'.lck');
+        if (!is_dir(dirname($path)) && false === @mkdir(dirname($path), 0777, true)) {
+            return false;
+        }
+
+        $lock = @fopen($path, 'x');
+        if (false !== $lock) {
+            fclose($lock);
+
+            $this->locks[] = $path;
+
+            return true;
+        }
+
+        return !file_exists($path) ?: $path;
+    }
+
+    /**
+     * Releases the lock for the given Request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean False if the lock file does not exist or cannot be unlocked, true otherwise
+     */
+    public function unlock(Request $request)
+    {
+        $file = $this->getPath($this->getCacheKey($request).'.lck');
+
+        return is_file($file) ? @unlink($file) : false;
+    }
+
+    public function isLocked(Request $request)
+    {
+        return is_file($this->getPath($this->getCacheKey($request).'.lck'));
+    }
+
+    /**
+     * Locates a cached Response for the Request provided.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Response|null A Response instance, or null if no cache entry was found
+     */
+    public function lookup(Request $request)
+    {
+        $key = $this->getCacheKey($request);
+
+        if (!$entries = $this->getMetadata($key)) {
+            return null;
+        }
+
+        // find a cached entry that matches the request.
+        $match = null;
+        foreach ($entries as $entry) {
+            if ($this->requestsMatch(isset($entry[1]['vary'][0]) ? $entry[1]['vary'][0] : '', $request->headers->all(), $entry[0])) {
+                $match = $entry;
+
+                break;
+            }
+        }
+
+        if (null === $match) {
+            return null;
+        }
+
+        list($req, $headers) = $match;
+        if (is_file($body = $this->getPath($headers['x-content-digest'][0]))) {
+            return $this->restoreResponse($headers, $body);
+        }
+
+        // TODO the metaStore referenced an entity that doesn't exist in
+        // the entityStore. We definitely want to return nil but we should
+        // also purge the entry from the meta-store when this is detected.
+        return null;
+    }
+
+    /**
+     * Writes a cache entry to the store for the given Request and Response.
+     *
+     * Existing entries are read and any that match the response are removed. This
+     * method calls write with the new list of cache entries.
+     *
+     * @param Request  $request  A Request instance
+     * @param Response $response A Response instance
+     *
+     * @return string The key under which the response is stored
+     *
+     * @throws \RuntimeException
+     */
+    public function write(Request $request, Response $response)
+    {
+        $key = $this->getCacheKey($request);
+        $storedEnv = $this->persistRequest($request);
+
+        // write the response body to the entity store if this is the original response
+        if (!$response->headers->has('X-Content-Digest')) {
+            $digest = $this->generateContentDigest($response);
+
+            if (false === $this->save($digest, $response->getContent())) {
+                throw new \RuntimeException('Unable to store the entity.');
+            }
+
+            $response->headers->set('X-Content-Digest', $digest);
+
+            if (!$response->headers->has('Transfer-Encoding')) {
+                $response->headers->set('Content-Length', strlen($response->getContent()));
+            }
+        }
+
+        // read existing cache entries, remove non-varying, and add this one to the list
+        $entries = array();
+        $vary = $response->headers->get('vary');
+        foreach ($this->getMetadata($key) as $entry) {
+            if (!isset($entry[1]['vary'][0])) {
+                $entry[1]['vary'] = array('');
+            }
+
+            if ($vary != $entry[1]['vary'][0] || !$this->requestsMatch($vary, $entry[0], $storedEnv)) {
+                $entries[] = $entry;
+            }
+        }
+
+        $headers = $this->persistResponse($response);
+        unset($headers['age']);
+
+        array_unshift($entries, array($storedEnv, $headers));
+
+        if (false === $this->save($key, serialize($entries))) {
+            throw new \RuntimeException('Unable to store the metadata.');
+        }
+
+        return $key;
+    }
+
+    /**
+     * Returns content digest for $response.
+     *
+     * @param Response $response
+     *
+     * @return string
+     */
+    protected function generateContentDigest(Response $response)
+    {
+        return 'en'.sha1($response->getContent());
+    }
+
+    /**
+     * Invalidates all cache entries that match the request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @throws \RuntimeException
+     */
+    public function invalidate(Request $request)
+    {
+        $modified = false;
+        $key = $this->getCacheKey($request);
+
+        $entries = array();
+        foreach ($this->getMetadata($key) as $entry) {
+            $response = $this->restoreResponse($entry[1]);
+            if ($response->isFresh()) {
+                $response->expire();
+                $modified = true;
+                $entries[] = array($entry[0], $this->persistResponse($response));
+            } else {
+                $entries[] = $entry;
+            }
+        }
+
+        if ($modified) {
+            if (false === $this->save($key, serialize($entries))) {
+                throw new \RuntimeException('Unable to store the metadata.');
+            }
+        }
+    }
+
+    /**
+     * Determines whether two Request HTTP header sets are non-varying based on
+     * the vary response header value provided.
+     *
+     * @param string $vary A Response vary header
+     * @param array  $env1 A Request HTTP header array
+     * @param array  $env2 A Request HTTP header array
+     *
+     * @return Boolean true if the two environments match, false otherwise
+     */
+    private function requestsMatch($vary, $env1, $env2)
+    {
+        if (empty($vary)) {
+            return true;
+        }
+
+        foreach (preg_split('/[\s,]+/', $vary) as $header) {
+            $key = strtr(strtolower($header), '_', '-');
+            $v1 = isset($env1[$key]) ? $env1[$key] : null;
+            $v2 = isset($env2[$key]) ? $env2[$key] : null;
+            if ($v1 !== $v2) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Gets all data associated with the given key.
+     *
+     * Use this method only if you know what you are doing.
+     *
+     * @param string $key The store key
+     *
+     * @return array An array of data associated with the key
+     */
+    private function getMetadata($key)
+    {
+        if (false === $entries = $this->load($key)) {
+            return array();
+        }
+
+        return unserialize($entries);
+    }
+
+    /**
+     * Purges data for the given URL.
+     *
+     * @param string $url A URL
+     *
+     * @return Boolean true if the URL exists and has been purged, false otherwise
+     */
+    public function purge($url)
+    {
+        if (is_file($path = $this->getPath($this->getCacheKey(Request::create($url))))) {
+            unlink($path);
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Loads data for the given key.
+     *
+     * @param string $key The store key
+     *
+     * @return string The data associated with the key
+     */
+    private function load($key)
+    {
+        $path = $this->getPath($key);
+
+        return is_file($path) ? file_get_contents($path) : false;
+    }
+
+    /**
+     * Save data for the given key.
+     *
+     * @param string $key  The store key
+     * @param string $data The data to store
+     *
+     * @return Boolean
+     */
+    private function save($key, $data)
+    {
+        $path = $this->getPath($key);
+        if (!is_dir(dirname($path)) && false === @mkdir(dirname($path), 0777, true)) {
+            return false;
+        }
+
+        $tmpFile = tempnam(dirname($path), basename($path));
+        if (false === $fp = @fopen($tmpFile, 'wb')) {
+            return false;
+        }
+        @fwrite($fp, $data);
+        @fclose($fp);
+
+        if ($data != file_get_contents($tmpFile)) {
+            return false;
+        }
+
+        if (false === @rename($tmpFile, $path)) {
+            return false;
+        }
+
+        @chmod($path, 0666 & ~umask());
+    }
+
+    public function getPath($key)
+    {
+        return $this->root.DIRECTORY_SEPARATOR.substr($key, 0, 2).DIRECTORY_SEPARATOR.substr($key, 2, 2).DIRECTORY_SEPARATOR.substr($key, 4, 2).DIRECTORY_SEPARATOR.substr($key, 6);
+    }
+
+    /**
+     * Returns a cache key for the given Request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return string A key for the given Request
+     */
+    private function getCacheKey(Request $request)
+    {
+        if (isset($this->keyCache[$request])) {
+            return $this->keyCache[$request];
+        }
+
+        return $this->keyCache[$request] = 'md'.sha1($request->getUri());
+    }
+
+    /**
+     * Persists the Request HTTP headers.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return array An array of HTTP headers
+     */
+    private function persistRequest(Request $request)
+    {
+        return $request->headers->all();
+    }
+
+    /**
+     * Persists the Response HTTP headers.
+     *
+     * @param Response $response A Response instance
+     *
+     * @return array An array of HTTP headers
+     */
+    private function persistResponse(Response $response)
+    {
+        $headers = $response->headers->all();
+        $headers['X-Status'] = array($response->getStatusCode());
+
+        return $headers;
+    }
+
+    /**
+     * Restores a Response from the HTTP headers and body.
+     *
+     * @param array  $headers An array of HTTP headers for the Response
+     * @param string $body    The Response body
+     *
+     * @return Response
+     */
+    private function restoreResponse($headers, $body = null)
+    {
+        $status = $headers['X-Status'][0];
+        unset($headers['X-Status']);
+
+        if (null !== $body) {
+            $headers['X-Body-File'] = array($body);
+        }
+
+        return new Response($body, $status, $headers);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/StoreInterface.php

@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This code is partially based on the Rack-Cache library by Ryan Tomayko,
+ * which is released under the MIT license.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\HttpCache;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Interface implemented by HTTP cache stores.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface StoreInterface
+{
+    /**
+     * Locates a cached Response for the Request provided.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Response|null A Response instance, or null if no cache entry was found
+     */
+    public function lookup(Request $request);
+
+    /**
+     * Writes a cache entry to the store for the given Request and Response.
+     *
+     * Existing entries are read and any that match the response are removed. This
+     * method calls write with the new list of cache entries.
+     *
+     * @param Request  $request  A Request instance
+     * @param Response $response A Response instance
+     *
+     * @return string The key under which the response is stored
+     */
+    public function write(Request $request, Response $response);
+
+    /**
+     * Invalidates all cache entries that match the request.
+     *
+     * @param Request $request A Request instance
+     */
+    public function invalidate(Request $request);
+
+    /**
+     * Locks the cache for a given Request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean|string true if the lock is acquired, the path to the current lock otherwise
+     */
+    public function lock(Request $request);
+
+    /**
+     * Releases the lock for the given Request.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean False if the lock file does not exist or cannot be unlocked, true otherwise
+     */
+    public function unlock(Request $request);
+
+    /**
+     * Returns whether or not a lock exists.
+     *
+     * @param Request $request A Request instance
+     *
+     * @return Boolean true if lock exists, false otherwise
+     */
+    public function isLocked(Request $request);
+
+    /**
+     * Purges data for the given URL.
+     *
+     * @param string $url A URL
+     *
+     * @return Boolean true if the URL exists and has been purged, false otherwise
+     */
+    public function purge($url);
+
+    /**
+     * Cleanups storage.
+     */
+    public function cleanup();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php

@@ -0,0 +1,243 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
+use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
+use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
+use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
+use Symfony\Component\HttpKernel\Event\PostResponseEvent;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * HttpKernel notifies events to convert a Request object to a Response one.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class HttpKernel implements HttpKernelInterface, TerminableInterface
+{
+    protected $dispatcher;
+    protected $resolver;
+
+    /**
+     * Constructor
+     *
+     * @param EventDispatcherInterface    $dispatcher An EventDispatcherInterface instance
+     * @param ControllerResolverInterface $resolver   A ControllerResolverInterface instance
+     *
+     * @api
+     */
+    public function __construct(EventDispatcherInterface $dispatcher, ControllerResolverInterface $resolver)
+    {
+        $this->dispatcher = $dispatcher;
+        $this->resolver = $resolver;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        try {
+            return $this->handleRaw($request, $type);
+        } catch (\Exception $e) {
+            if (false === $catch) {
+                throw $e;
+            }
+
+            return $this->handleException($e, $request, $type);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function terminate(Request $request, Response $response)
+    {
+        $this->dispatcher->dispatch(KernelEvents::TERMINATE, new PostResponseEvent($this, $request, $response));
+    }
+
+    /**
+     * Handles a request to convert it to a response.
+     *
+     * Exceptions are not caught.
+     *
+     * @param Request $request A Request instance
+     * @param integer $type    The type of the request (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     *
+     * @return Response A Response instance
+     *
+     * @throws \LogicException If one of the listener does not behave as expected
+     * @throws NotFoundHttpException When controller cannot be found
+     */
+    private function handleRaw(Request $request, $type = self::MASTER_REQUEST)
+    {
+        // request
+        $event = new GetResponseEvent($this, $request, $type);
+        $this->dispatcher->dispatch(KernelEvents::REQUEST, $event);
+
+        if ($event->hasResponse()) {
+            return $this->filterResponse($event->getResponse(), $request, $type);
+        }
+
+        // load controller
+        if (false === $controller = $this->resolver->getController($request)) {
+            throw new NotFoundHttpException(sprintf('Unable to find the controller for path "%s". Maybe you forgot to add the matching route in your routing configuration?', $request->getPathInfo()));
+        }
+
+        $event = new FilterControllerEvent($this, $controller, $request, $type);
+        $this->dispatcher->dispatch(KernelEvents::CONTROLLER, $event);
+        $controller = $event->getController();
+
+        // controller arguments
+        $arguments = $this->resolver->getArguments($request, $controller);
+
+        // call controller
+        $response = call_user_func_array($controller, $arguments);
+
+        // view
+        if (!$response instanceof Response) {
+            $event = new GetResponseForControllerResultEvent($this, $request, $type, $response);
+            $this->dispatcher->dispatch(KernelEvents::VIEW, $event);
+
+            if ($event->hasResponse()) {
+                $response = $event->getResponse();
+            }
+
+            if (!$response instanceof Response) {
+                $msg = sprintf('The controller must return a response (%s given).', $this->varToString($response));
+
+                // the user may have forgotten to return something
+                if (null === $response) {
+                    $msg .= ' Did you forget to add a return statement somewhere in your controller?';
+                }
+                throw new \LogicException($msg);
+            }
+        }
+
+        return $this->filterResponse($response, $request, $type);
+    }
+
+    /**
+     * Filters a response object.
+     *
+     * @param Response $response A Response instance
+     * @param Request  $request  An error message in case the response is not a Response object
+     * @param integer  $type     The type of the request (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     *
+     * @return Response The filtered Response instance
+     *
+     * @throws \RuntimeException if the passed object is not a Response instance
+     */
+    private function filterResponse(Response $response, Request $request, $type)
+    {
+        $event = new FilterResponseEvent($this, $request, $type, $response);
+
+        $this->dispatcher->dispatch(KernelEvents::RESPONSE, $event);
+
+        return $event->getResponse();
+    }
+
+    /**
+     * Handles an exception by trying to convert it to a Response.
+     *
+     * @param \Exception $e       An \Exception instance
+     * @param Request    $request A Request instance
+     * @param integer    $type    The type of the request
+     *
+     * @return Response A Response instance
+     *
+     * @throws \Exception
+     */
+    private function handleException(\Exception $e, $request, $type)
+    {
+        $event = new GetResponseForExceptionEvent($this, $request, $type, $e);
+        $this->dispatcher->dispatch(KernelEvents::EXCEPTION, $event);
+
+        // a listener might have replaced the exception
+        $e = $event->getException();
+
+        if (!$event->hasResponse()) {
+            throw $e;
+        }
+
+        $response = $event->getResponse();
+
+        // the developer asked for a specific status code
+        if ($response->headers->has('X-Status-Code')) {
+            $response->setStatusCode($response->headers->get('X-Status-Code'));
+
+            $response->headers->remove('X-Status-Code');
+        } elseif (!$response->isClientError() && !$response->isServerError() && !$response->isRedirect()) {
+            // ensure that we actually have an error response
+            if ($e instanceof HttpExceptionInterface) {
+                // keep the HTTP status code and headers
+                $response->setStatusCode($e->getStatusCode());
+                $response->headers->add($e->getHeaders());
+            } else {
+                $response->setStatusCode(500);
+            }
+        }
+
+        try {
+            return $this->filterResponse($response, $request, $type);
+        } catch (\Exception $e) {
+            return $response;
+        }
+    }
+
+    private function varToString($var)
+    {
+        if (is_object($var)) {
+            return sprintf('Object(%s)', get_class($var));
+        }
+
+        if (is_array($var)) {
+            $a = array();
+            foreach ($var as $k => $v) {
+                $a[] = sprintf('%s => %s', $k, $this->varToString($v));
+            }
+
+            return sprintf("Array(%s)", implode(', ', $a));
+        }
+
+        if (is_resource($var)) {
+            return sprintf('Resource(%s)', get_resource_type($var));
+        }
+
+        if (null === $var) {
+            return 'null';
+        }
+
+        if (false === $var) {
+            return 'false';
+        }
+
+        if (true === $var) {
+            return 'true';
+        }
+
+        return (string) $var;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernelInterface.php

@@ -0,0 +1,47 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * HttpKernelInterface handles a Request to convert it to a Response.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface HttpKernelInterface
+{
+    const MASTER_REQUEST = 1;
+    const SUB_REQUEST = 2;
+
+    /**
+     * Handles a Request to convert it to a Response.
+     *
+     * When $catch is true, the implementation must catch all exceptions
+     * and do its best to convert them to a Response instance.
+     *
+     * @param Request $request A Request instance
+     * @param integer $type    The type of the request
+     *                          (one of HttpKernelInterface::MASTER_REQUEST or HttpKernelInterface::SUB_REQUEST)
+     * @param Boolean $catch Whether to catch exceptions or not
+     *
+     * @return Response A Response instance
+     *
+     * @throws \Exception When an Exception occurs during processing
+     *
+     * @api
+     */
+    public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = true);
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Kernel.php

@@ -0,0 +1,793 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator;
+use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
+use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+use Symfony\Component\DependencyInjection\Loader\IniFileLoader;
+use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
+use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Bundle\BundleInterface;
+use Symfony\Component\HttpKernel\Config\FileLocator;
+use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
+use Symfony\Component\HttpKernel\DependencyInjection\AddClassesToCachePass;
+use Symfony\Component\Config\Loader\LoaderResolver;
+use Symfony\Component\Config\Loader\DelegatingLoader;
+use Symfony\Component\Config\ConfigCache;
+use Symfony\Component\ClassLoader\ClassCollectionLoader;
+
+/**
+ * The Kernel is the heart of the Symfony system.
+ *
+ * It manages an environment made of bundles.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+abstract class Kernel implements KernelInterface, TerminableInterface
+{
+    /**
+     * @var BundleInterface[]
+     */
+    protected $bundles;
+
+    protected $bundleMap;
+    protected $container;
+    protected $rootDir;
+    protected $environment;
+    protected $debug;
+    protected $booted;
+    protected $name;
+    protected $startTime;
+    protected $loadClassCache;
+
+    const VERSION         = '2.3.5-DEV';
+    const VERSION_ID      = '20305';
+    const MAJOR_VERSION   = '2';
+    const MINOR_VERSION   = '3';
+    const RELEASE_VERSION = '5';
+    const EXTRA_VERSION   = 'DEV';
+
+    /**
+     * Constructor.
+     *
+     * @param string  $environment The environment
+     * @param Boolean $debug       Whether to enable debugging or not
+     *
+     * @api
+     */
+    public function __construct($environment, $debug)
+    {
+        $this->environment = $environment;
+        $this->debug = (Boolean) $debug;
+        $this->booted = false;
+        $this->rootDir = $this->getRootDir();
+        $this->name = $this->getName();
+        $this->bundles = array();
+
+        if ($this->debug) {
+            $this->startTime = microtime(true);
+        }
+
+        $this->init();
+    }
+
+    /**
+     * @deprecated Deprecated since version 2.3, to be removed in 3.0. Move your logic in the constructor instead.
+     */
+    public function init()
+    {
+    }
+
+    public function __clone()
+    {
+        if ($this->debug) {
+            $this->startTime = microtime(true);
+        }
+
+        $this->booted = false;
+        $this->container = null;
+    }
+
+    /**
+     * Boots the current kernel.
+     *
+     * @api
+     */
+    public function boot()
+    {
+        if (true === $this->booted) {
+            return;
+        }
+
+        if ($this->loadClassCache) {
+            $this->doLoadClassCache($this->loadClassCache[0], $this->loadClassCache[1]);
+        }
+
+        // init bundles
+        $this->initializeBundles();
+
+        // init container
+        $this->initializeContainer();
+
+        foreach ($this->getBundles() as $bundle) {
+            $bundle->setContainer($this->container);
+            $bundle->boot();
+        }
+
+        $this->booted = true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function terminate(Request $request, Response $response)
+    {
+        if (false === $this->booted) {
+            return;
+        }
+
+        if ($this->getHttpKernel() instanceof TerminableInterface) {
+            $this->getHttpKernel()->terminate($request, $response);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function shutdown()
+    {
+        if (false === $this->booted) {
+            return;
+        }
+
+        $this->booted = false;
+
+        foreach ($this->getBundles() as $bundle) {
+            $bundle->shutdown();
+            $bundle->setContainer(null);
+        }
+
+        $this->container = null;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
+    {
+        if (false === $this->booted) {
+            $this->boot();
+        }
+
+        return $this->getHttpKernel()->handle($request, $type, $catch);
+    }
+
+    /**
+     * Gets a http kernel from the container
+     *
+     * @return HttpKernel
+     */
+    protected function getHttpKernel()
+    {
+        return $this->container->get('http_kernel');
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getBundles()
+    {
+        return $this->bundles;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function isClassInActiveBundle($class)
+    {
+        foreach ($this->getBundles() as $bundle) {
+            if (0 === strpos($class, $bundle->getNamespace())) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getBundle($name, $first = true)
+    {
+        if (!isset($this->bundleMap[$name])) {
+            throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the registerBundles() method of your %s.php file?', $name, get_class($this)));
+        }
+
+        if (true === $first) {
+            return $this->bundleMap[$name][0];
+        }
+
+        return $this->bundleMap[$name];
+    }
+
+    /**
+     * Returns the file path for a given resource.
+     *
+     * A Resource can be a file or a directory.
+     *
+     * The resource name must follow the following pattern:
+     *
+     *     @<BundleName>/path/to/a/file.something
+     *
+     * where BundleName is the name of the bundle
+     * and the remaining part is the relative path in the bundle.
+     *
+     * If $dir is passed, and the first segment of the path is "Resources",
+     * this method will look for a file named:
+     *
+     *     $dir/<BundleName>/path/without/Resources
+     *
+     * before looking in the bundle resource folder.
+     *
+     * @param string  $name  A resource name to locate
+     * @param string  $dir   A directory where to look for the resource first
+     * @param Boolean $first Whether to return the first path or paths for all matching bundles
+     *
+     * @return string|array The absolute path of the resource or an array if $first is false
+     *
+     * @throws \InvalidArgumentException if the file cannot be found or the name is not valid
+     * @throws \RuntimeException         if the name contains invalid/unsafe
+     * @throws \RuntimeException         if a custom resource is hidden by a resource in a derived bundle
+     *
+     * @api
+     */
+    public function locateResource($name, $dir = null, $first = true)
+    {
+        if ('@' !== $name[0]) {
+            throw new \InvalidArgumentException(sprintf('A resource name must start with @ ("%s" given).', $name));
+        }
+
+        if (false !== strpos($name, '..')) {
+            throw new \RuntimeException(sprintf('File name "%s" contains invalid characters (..).', $name));
+        }
+
+        $bundleName = substr($name, 1);
+        $path = '';
+        if (false !== strpos($bundleName, '/')) {
+            list($bundleName, $path) = explode('/', $bundleName, 2);
+        }
+
+        $isResource = 0 === strpos($path, 'Resources') && null !== $dir;
+        $overridePath = substr($path, 9);
+        $resourceBundle = null;
+        $bundles = $this->getBundle($bundleName, false);
+        $files = array();
+
+        foreach ($bundles as $bundle) {
+            if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) {
+                if (null !== $resourceBundle) {
+                    throw new \RuntimeException(sprintf('"%s" resource is hidden by a resource from the "%s" derived bundle. Create a "%s" file to override the bundle resource.',
+                        $file,
+                        $resourceBundle,
+                        $dir.'/'.$bundles[0]->getName().$overridePath
+                    ));
+                }
+
+                if ($first) {
+                    return $file;
+                }
+                $files[] = $file;
+            }
+
+            if (file_exists($file = $bundle->getPath().'/'.$path)) {
+                if ($first && !$isResource) {
+                    return $file;
+                }
+                $files[] = $file;
+                $resourceBundle = $bundle->getName();
+            }
+        }
+
+        if (count($files) > 0) {
+            return $first && $isResource ? $files[0] : $files;
+        }
+
+        throw new \InvalidArgumentException(sprintf('Unable to find file "%s".', $name));
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getName()
+    {
+        if (null === $this->name) {
+            $this->name = preg_replace('/[^a-zA-Z0-9_]+/', '', basename($this->rootDir));
+        }
+
+        return $this->name;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getEnvironment()
+    {
+        return $this->environment;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function isDebug()
+    {
+        return $this->debug;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getRootDir()
+    {
+        if (null === $this->rootDir) {
+            $r = new \ReflectionObject($this);
+            $this->rootDir = str_replace('\\', '/', dirname($r->getFileName()));
+        }
+
+        return $this->rootDir;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getContainer()
+    {
+        return $this->container;
+    }
+
+    /**
+     * Loads the PHP class cache.
+     *
+     * This methods only registers the fact that you want to load the cache classes.
+     * The cache will actually only be loaded when the Kernel is booted.
+     *
+     * That optimization is mainly useful when using the HttpCache class in which
+     * case the class cache is not loaded if the Response is in the cache.
+     *
+     * @param string $name      The cache name prefix
+     * @param string $extension File extension of the resulting file
+     */
+    public function loadClassCache($name = 'classes', $extension = '.php')
+    {
+        $this->loadClassCache = array($name, $extension);
+    }
+
+    /**
+     * Used internally.
+     */
+    public function setClassCache(array $classes)
+    {
+        file_put_contents($this->getCacheDir().'/classes.map', sprintf('<?php return %s;', var_export($classes, true)));
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getStartTime()
+    {
+        return $this->debug ? $this->startTime : -INF;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getCacheDir()
+    {
+        return $this->rootDir.'/cache/'.$this->environment;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getLogDir()
+    {
+        return $this->rootDir.'/logs';
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @api
+     */
+    public function getCharset()
+    {
+        return 'UTF-8';
+    }
+
+    protected function doLoadClassCache($name, $extension)
+    {
+        if (!$this->booted && is_file($this->getCacheDir().'/classes.map')) {
+            ClassCollectionLoader::load(include($this->getCacheDir().'/classes.map'), $this->getCacheDir(), $name, $this->debug, false, $extension);
+        }
+    }
+
+    /**
+     * Initializes the data structures related to the bundle management.
+     *
+     *  - the bundles property maps a bundle name to the bundle instance,
+     *  - the bundleMap property maps a bundle name to the bundle inheritance hierarchy (most derived bundle first).
+     *
+     * @throws \LogicException if two bundles share a common name
+     * @throws \LogicException if a bundle tries to extend a non-registered bundle
+     * @throws \LogicException if a bundle tries to extend itself
+     * @throws \LogicException if two bundles extend the same ancestor
+     */
+    protected function initializeBundles()
+    {
+        // init bundles
+        $this->bundles = array();
+        $topMostBundles = array();
+        $directChildren = array();
+
+        foreach ($this->registerBundles() as $bundle) {
+            $name = $bundle->getName();
+            if (isset($this->bundles[$name])) {
+                throw new \LogicException(sprintf('Trying to register two bundles with the same name "%s"', $name));
+            }
+            $this->bundles[$name] = $bundle;
+
+            if ($parentName = $bundle->getParent()) {
+                if (isset($directChildren[$parentName])) {
+                    throw new \LogicException(sprintf('Bundle "%s" is directly extended by two bundles "%s" and "%s".', $parentName, $name, $directChildren[$parentName]));
+                }
+                if ($parentName == $name) {
+                    throw new \LogicException(sprintf('Bundle "%s" can not extend itself.', $name));
+                }
+                $directChildren[$parentName] = $name;
+            } else {
+                $topMostBundles[$name] = $bundle;
+            }
+        }
+
+        // look for orphans
+        if (count($diff = array_values(array_diff(array_keys($directChildren), array_keys($this->bundles))))) {
+            throw new \LogicException(sprintf('Bundle "%s" extends bundle "%s", which is not registered.', $directChildren[$diff[0]], $diff[0]));
+        }
+
+        // inheritance
+        $this->bundleMap = array();
+        foreach ($topMostBundles as $name => $bundle) {
+            $bundleMap = array($bundle);
+            $hierarchy = array($name);
+
+            while (isset($directChildren[$name])) {
+                $name = $directChildren[$name];
+                array_unshift($bundleMap, $this->bundles[$name]);
+                $hierarchy[] = $name;
+            }
+
+            foreach ($hierarchy as $bundle) {
+                $this->bundleMap[$bundle] = $bundleMap;
+                array_pop($bundleMap);
+            }
+        }
+
+    }
+
+    /**
+     * Gets the container class.
+     *
+     * @return string The container class
+     */
+    protected function getContainerClass()
+    {
+        return $this->name.ucfirst($this->environment).($this->debug ? 'Debug' : '').'ProjectContainer';
+    }
+
+    /**
+     * Gets the container's base class.
+     *
+     * All names except Container must be fully qualified.
+     *
+     * @return string
+     */
+    protected function getContainerBaseClass()
+    {
+        return 'Container';
+    }
+
+    /**
+     * Initializes the service container.
+     *
+     * The cached version of the service container is used when fresh, otherwise the
+     * container is built.
+     */
+    protected function initializeContainer()
+    {
+        $class = $this->getContainerClass();
+        $cache = new ConfigCache($this->getCacheDir().'/'.$class.'.php', $this->debug);
+        $fresh = true;
+        if (!$cache->isFresh()) {
+            $container = $this->buildContainer();
+            $container->compile();
+            $this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass());
+
+            $fresh = false;
+        }
+
+        require_once $cache;
+
+        $this->container = new $class();
+        $this->container->set('kernel', $this);
+
+        if (!$fresh && $this->container->has('cache_warmer')) {
+            $this->container->get('cache_warmer')->warmUp($this->container->getParameter('kernel.cache_dir'));
+        }
+    }
+
+    /**
+     * Returns the kernel parameters.
+     *
+     * @return array An array of kernel parameters
+     */
+    protected function getKernelParameters()
+    {
+        $bundles = array();
+        foreach ($this->bundles as $name => $bundle) {
+            $bundles[$name] = get_class($bundle);
+        }
+
+        return array_merge(
+            array(
+                'kernel.root_dir'        => $this->rootDir,
+                'kernel.environment'     => $this->environment,
+                'kernel.debug'           => $this->debug,
+                'kernel.name'            => $this->name,
+                'kernel.cache_dir'       => $this->getCacheDir(),
+                'kernel.logs_dir'        => $this->getLogDir(),
+                'kernel.bundles'         => $bundles,
+                'kernel.charset'         => $this->getCharset(),
+                'kernel.container_class' => $this->getContainerClass(),
+            ),
+            $this->getEnvParameters()
+        );
+    }
+
+    /**
+     * Gets the environment parameters.
+     *
+     * Only the parameters starting with "SYMFONY__" are considered.
+     *
+     * @return array An array of parameters
+     */
+    protected function getEnvParameters()
+    {
+        $parameters = array();
+        foreach ($_SERVER as $key => $value) {
+            if (0 === strpos($key, 'SYMFONY__')) {
+                $parameters[strtolower(str_replace('__', '.', substr($key, 9)))] = $value;
+            }
+        }
+
+        return $parameters;
+    }
+
+    /**
+     * Builds the service container.
+     *
+     * @return ContainerBuilder The compiled service container
+     *
+     * @throws \RuntimeException
+     */
+    protected function buildContainer()
+    {
+        foreach (array('cache' => $this->getCacheDir(), 'logs' => $this->getLogDir()) as $name => $dir) {
+            if (!is_dir($dir)) {
+                if (false === @mkdir($dir, 0777, true)) {
+                    throw new \RuntimeException(sprintf("Unable to create the %s directory (%s)\n", $name, $dir));
+                }
+            } elseif (!is_writable($dir)) {
+                throw new \RuntimeException(sprintf("Unable to write in the %s directory (%s)\n", $name, $dir));
+            }
+        }
+
+        $container = $this->getContainerBuilder();
+        $container->addObjectResource($this);
+        $this->prepareContainer($container);
+
+        if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) {
+            $container->merge($cont);
+        }
+
+        $container->addCompilerPass(new AddClassesToCachePass($this));
+
+        return $container;
+    }
+
+    /**
+     * Prepares the ContainerBuilder before it is compiled.
+     *
+     * @param ContainerBuilder $container A ContainerBuilder instance
+     */
+    protected function prepareContainer(ContainerBuilder $container)
+    {
+        $extensions = array();
+        foreach ($this->bundles as $bundle) {
+            if ($extension = $bundle->getContainerExtension()) {
+                $container->registerExtension($extension);
+                $extensions[] = $extension->getAlias();
+            }
+
+            if ($this->debug) {
+                $container->addObjectResource($bundle);
+            }
+        }
+        foreach ($this->bundles as $bundle) {
+            $bundle->build($container);
+        }
+
+        // ensure these extensions are implicitly loaded
+        $container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions));
+    }
+
+    /**
+     * Gets a new ContainerBuilder instance used to build the service container.
+     *
+     * @return ContainerBuilder
+     */
+    protected function getContainerBuilder()
+    {
+        $container = new ContainerBuilder(new ParameterBag($this->getKernelParameters()));
+
+        if (class_exists('ProxyManager\Configuration')) {
+            $container->setProxyInstantiator(new RuntimeInstantiator());
+        }
+
+        return $container;
+    }
+
+    /**
+     * Dumps the service container to PHP code in the cache.
+     *
+     * @param ConfigCache      $cache     The config cache
+     * @param ContainerBuilder $container The service container
+     * @param string           $class     The name of the class to generate
+     * @param string           $baseClass The name of the container's base class
+     */
+    protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, $class, $baseClass)
+    {
+        // cache the container
+        $dumper = new PhpDumper($container);
+
+        if (class_exists('ProxyManager\Configuration')) {
+            $dumper->setProxyDumper(new ProxyDumper());
+        }
+
+        $content = $dumper->dump(array('class' => $class, 'base_class' => $baseClass));
+        if (!$this->debug) {
+            $content = self::stripComments($content);
+        }
+
+        $cache->write($content, $container->getResources());
+    }
+
+    /**
+     * Returns a loader for the container.
+     *
+     * @param ContainerInterface $container The service container
+     *
+     * @return DelegatingLoader The loader
+     */
+    protected function getContainerLoader(ContainerInterface $container)
+    {
+        $locator = new FileLocator($this);
+        $resolver = new LoaderResolver(array(
+            new XmlFileLoader($container, $locator),
+            new YamlFileLoader($container, $locator),
+            new IniFileLoader($container, $locator),
+            new PhpFileLoader($container, $locator),
+            new ClosureLoader($container),
+        ));
+
+        return new DelegatingLoader($resolver);
+    }
+
+    /**
+     * Removes comments from a PHP source string.
+     *
+     * We don't use the PHP php_strip_whitespace() function
+     * as we want the content to be readable and well-formatted.
+     *
+     * @param string $source A PHP string
+     *
+     * @return string The PHP string with the comments removed
+     */
+    public static function stripComments($source)
+    {
+        if (!function_exists('token_get_all')) {
+            return $source;
+        }
+
+        $rawChunk = '';
+        $output = '';
+        $tokens = token_get_all($source);
+        for (reset($tokens); false !== $token = current($tokens); next($tokens)) {
+            if (is_string($token)) {
+                $rawChunk .= $token;
+            } elseif (T_START_HEREDOC === $token[0]) {
+                $output .= preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $rawChunk).$token[1];
+                do {
+                    $token = next($tokens);
+                    $output .= $token[1];
+                } while ($token[0] !== T_END_HEREDOC);
+                $rawChunk = '';
+            } elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
+                $rawChunk .= $token[1];
+            }
+        }
+
+        // replace multiple new lines with a single newline
+        $output .= preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $rawChunk);
+
+        return $output;
+    }
+
+    public function serialize()
+    {
+        return serialize(array($this->environment, $this->debug));
+    }
+
+    public function unserialize($data)
+    {
+        list($environment, $debug) = unserialize($data);
+
+        $this->__construct($environment, $debug);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/KernelEvents.php

@@ -0,0 +1,105 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+/**
+ * Contains all events thrown in the HttpKernel component
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @api
+ */
+final class KernelEvents
+{
+    /**
+     * The REQUEST event occurs at the very beginning of request
+     * dispatching
+     *
+     * This event allows you to create a response for a request before any
+     * other code in the framework is executed. The event listener method
+     * receives a Symfony\Component\HttpKernel\Event\GetResponseEvent
+     * instance.
+     *
+     * @var string
+     *
+     * @api
+     */
+    const REQUEST = 'kernel.request';
+
+    /**
+     * The EXCEPTION event occurs when an uncaught exception appears
+     *
+     * This event allows you to create a response for a thrown exception or
+     * to modify the thrown exception. The event listener method receives
+     * a Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent
+     * instance.
+     *
+     * @var string
+     *
+     * @api
+     */
+    const EXCEPTION = 'kernel.exception';
+
+    /**
+     * The VIEW event occurs when the return value of a controller
+     * is not a Response instance
+     *
+     * This event allows you to create a response for the return value of the
+     * controller. The event listener method receives a
+     * Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent
+     * instance.
+     *
+     * @var string
+     *
+     * @api
+     */
+    const VIEW = 'kernel.view';
+
+    /**
+     * The CONTROLLER event occurs once a controller was found for
+     * handling a request
+     *
+     * This event allows you to change the controller that will handle the
+     * request. The event listener method receives a
+     * Symfony\Component\HttpKernel\Event\FilterControllerEvent instance.
+     *
+     * @var string
+     *
+     * @api
+     */
+    const CONTROLLER = 'kernel.controller';
+
+    /**
+     * The RESPONSE event occurs once a response was created for
+     * replying to a request
+     *
+     * This event allows you to modify or replace the response that will be
+     * replied. The event listener method receives a
+     * Symfony\Component\HttpKernel\Event\FilterResponseEvent instance.
+     *
+     * @var string
+     *
+     * @api
+     */
+    const RESPONSE = 'kernel.response';
+
+    /**
+     * The TERMINATE event occurs once a response was sent
+     *
+     * This event allows you to run expensive post-response jobs.
+     * The event listener method receives a
+     * Symfony\Component\HttpKernel\Event\PostResponseEvent instance.
+     *
+     * @var string
+     */
+    const TERMINATE = 'kernel.terminate';
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/KernelInterface.php

@@ -0,0 +1,208 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\Bundle\BundleInterface;
+use Symfony\Component\Config\Loader\LoaderInterface;
+
+/**
+ * The Kernel is the heart of the Symfony system.
+ *
+ * It manages an environment made of bundles.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+interface KernelInterface extends HttpKernelInterface, \Serializable
+{
+    /**
+     * Returns an array of bundles to registers.
+     *
+     * @return BundleInterface[] An array of bundle instances.
+     *
+     * @api
+     */
+    public function registerBundles();
+
+    /**
+     * Loads the container configuration
+     *
+     * @param LoaderInterface $loader A LoaderInterface instance
+     *
+     * @api
+     */
+    public function registerContainerConfiguration(LoaderInterface $loader);
+
+    /**
+     * Boots the current kernel.
+     *
+     * @api
+     */
+    public function boot();
+
+    /**
+     * Shutdowns the kernel.
+     *
+     * This method is mainly useful when doing functional testing.
+     *
+     * @api
+     */
+    public function shutdown();
+
+    /**
+     * Gets the registered bundle instances.
+     *
+     * @return BundleInterface[] An array of registered bundle instances
+     *
+     * @api
+     */
+    public function getBundles();
+
+    /**
+     * Checks if a given class name belongs to an active bundle.
+     *
+     * @param string $class A class name
+     *
+     * @return Boolean true if the class belongs to an active bundle, false otherwise
+     *
+     * @api
+     */
+    public function isClassInActiveBundle($class);
+
+    /**
+     * Returns a bundle and optionally its descendants by its name.
+     *
+     * @param string  $name  Bundle name
+     * @param Boolean $first Whether to return the first bundle only or together with its descendants
+     *
+     * @return BundleInterface|BundleInterface[] A BundleInterface instance or an array of BundleInterface instances if $first is false
+     *
+     * @throws \InvalidArgumentException when the bundle is not enabled
+     *
+     * @api
+     */
+    public function getBundle($name, $first = true);
+
+    /**
+     * Returns the file path for a given resource.
+     *
+     * A Resource can be a file or a directory.
+     *
+     * The resource name must follow the following pattern:
+     *
+     *     @BundleName/path/to/a/file.something
+     *
+     * where BundleName is the name of the bundle
+     * and the remaining part is the relative path in the bundle.
+     *
+     * If $dir is passed, and the first segment of the path is Resources,
+     * this method will look for a file named:
+     *
+     *     $dir/BundleName/path/without/Resources
+     *
+     * @param string  $name  A resource name to locate
+     * @param string  $dir   A directory where to look for the resource first
+     * @param Boolean $first Whether to return the first path or paths for all matching bundles
+     *
+     * @return string|array The absolute path of the resource or an array if $first is false
+     *
+     * @throws \InvalidArgumentException if the file cannot be found or the name is not valid
+     * @throws \RuntimeException         if the name contains invalid/unsafe characters
+     *
+     * @api
+     */
+    public function locateResource($name, $dir = null, $first = true);
+
+    /**
+     * Gets the name of the kernel
+     *
+     * @return string The kernel name
+     *
+     * @api
+     */
+    public function getName();
+
+    /**
+     * Gets the environment.
+     *
+     * @return string The current environment
+     *
+     * @api
+     */
+    public function getEnvironment();
+
+    /**
+     * Checks if debug mode is enabled.
+     *
+     * @return Boolean true if debug mode is enabled, false otherwise
+     *
+     * @api
+     */
+    public function isDebug();
+
+    /**
+     * Gets the application root dir.
+     *
+     * @return string The application root dir
+     *
+     * @api
+     */
+    public function getRootDir();
+
+    /**
+     * Gets the current container.
+     *
+     * @return ContainerInterface A ContainerInterface instance
+     *
+     * @api
+     */
+    public function getContainer();
+
+    /**
+     * Gets the request start time (not available if debug is disabled).
+     *
+     * @return integer The request start timestamp
+     *
+     * @api
+     */
+    public function getStartTime();
+
+    /**
+     * Gets the cache directory.
+     *
+     * @return string The cache directory
+     *
+     * @api
+     */
+    public function getCacheDir();
+
+    /**
+     * Gets the log directory.
+     *
+     * @return string The log directory
+     *
+     * @api
+     */
+    public function getLogDir();
+
+    /**
+     * Gets the charset of the application.
+     *
+     * @return string The charset
+     *
+     * @api
+     */
+    public function getCharset();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2004-2013 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.

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Log/DebugLoggerInterface.php

@@ -0,0 +1,38 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Log;
+
+/**
+ * DebugLoggerInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface DebugLoggerInterface
+{
+    /**
+     * Returns an array of logs.
+     *
+     * A log is an array with the following mandatory keys:
+     * timestamp, message, priority, and priorityName.
+     * It can also have an optional context key containing an array.
+     *
+     * @return array An array of logs
+     */
+    public function getLogs();
+
+    /**
+     * Returns the number of errors.
+     *
+     * @return integer The number of errors
+     */
+    public function countErrors();
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Log/LoggerInterface.php

@@ -0,0 +1,49 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Log;
+
+use Psr\Log\LoggerInterface as PsrLogger;
+
+/**
+ * LoggerInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since 2.2, to be removed in 3.0. Type-hint \Psr\Log\LoggerInterface instead.
+ * @api
+ */
+interface LoggerInterface extends PsrLogger
+{
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use emergency() which is PSR-3 compatible.
+     */
+    public function emerg($message, array $context = array());
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use critical() which is PSR-3 compatible.
+     */
+    public function crit($message, array $context = array());
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use error() which is PSR-3 compatible.
+     */
+    public function err($message, array $context = array());
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use warning() which is PSR-3 compatible.
+     */
+    public function warn($message, array $context = array());
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Log/NullLogger.php

@@ -0,0 +1,56 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Log;
+
+use Psr\Log\NullLogger as PsrNullLogger;
+
+/**
+ * NullLogger.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class NullLogger extends PsrNullLogger implements LoggerInterface
+{
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use emergency() which is PSR-3 compatible.
+     */
+    public function emerg($message, array $context = array())
+    {
+    }
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use critical() which is PSR-3 compatible.
+     */
+    public function crit($message, array $context = array())
+    {
+    }
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use error() which is PSR-3 compatible.
+     */
+    public function err($message, array $context = array())
+    {
+    }
+
+    /**
+     * @api
+     * @deprecated since 2.2, to be removed in 3.0. Use warning() which is PSR-3 compatible.
+     */
+    public function warn($message, array $context = array())
+    {
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/BaseMemcacheProfilerStorage.php

@@ -0,0 +1,308 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+/**
+ * Base Memcache storage for profiling information in a Memcache.
+ *
+ * @author Andrej Hudec <pulzarraider@gmail.com>
+ */
+abstract class BaseMemcacheProfilerStorage implements ProfilerStorageInterface
+{
+    const TOKEN_PREFIX = 'sf_profiler_';
+
+    protected $dsn;
+    protected $lifetime;
+
+    /**
+     * Constructor.
+     *
+     * @param string $dsn      A data source name
+     * @param string $username
+     * @param string $password
+     * @param int    $lifetime The lifetime to use for the purge
+     */
+    public function __construct($dsn, $username = '', $password = '', $lifetime = 86400)
+    {
+        $this->dsn = $dsn;
+        $this->lifetime = (int) $lifetime;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function find($ip, $url, $limit, $method, $start = null, $end = null)
+    {
+        $indexName = $this->getIndexName();
+
+        $indexContent = $this->getValue($indexName);
+        if (!$indexContent) {
+            return array();
+        }
+
+        $profileList = explode("\n", $indexContent);
+        $result = array();
+
+        foreach ($profileList as $item) {
+
+            if ($limit === 0) {
+                break;
+            }
+
+            if ($item=='') {
+                continue;
+            }
+
+            list($itemToken, $itemIp, $itemMethod, $itemUrl, $itemTime, $itemParent) = explode("\t", $item, 6);
+
+            $itemTime = (int) $itemTime;
+
+            if ($ip && false === strpos($itemIp, $ip) || $url && false === strpos($itemUrl, $url) || $method && false === strpos($itemMethod, $method)) {
+                continue;
+            }
+
+            if (!empty($start) && $itemTime < $start) {
+                continue;
+            }
+
+            if (!empty($end) && $itemTime > $end) {
+                continue;
+            }
+
+            $result[$itemToken]  = array(
+                'token'  => $itemToken,
+                'ip'     => $itemIp,
+                'method' => $itemMethod,
+                'url'    => $itemUrl,
+                'time'   => $itemTime,
+                'parent' => $itemParent,
+            );
+            --$limit;
+        }
+
+        usort($result, function($a, $b) {
+            if ($a['time'] === $b['time']) {
+                return 0;
+            }
+
+            return $a['time'] > $b['time'] ? -1 : 1;
+        });
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function purge()
+    {
+        // delete only items from index
+        $indexName = $this->getIndexName();
+
+        $indexContent = $this->getValue($indexName);
+
+        if (!$indexContent) {
+            return false;
+        }
+
+        $profileList = explode("\n", $indexContent);
+
+        foreach ($profileList as $item) {
+            if ($item == '') {
+                continue;
+            }
+
+            if (false !== $pos = strpos($item, "\t")) {
+                $this->delete($this->getItemName(substr($item, 0, $pos)));
+            }
+        }
+
+        return $this->delete($indexName);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($token)
+    {
+        if (empty($token)) {
+            return false;
+        }
+
+        $profile = $this->getValue($this->getItemName($token));
+
+        if (false !== $profile) {
+            $profile = $this->createProfileFromData($token, $profile);
+        }
+
+        return $profile;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(Profile $profile)
+    {
+        $data = array(
+            'token'    => $profile->getToken(),
+            'parent'   => $profile->getParentToken(),
+            'children' => array_map(function ($p) { return $p->getToken(); }, $profile->getChildren()),
+            'data'     => $profile->getCollectors(),
+            'ip'       => $profile->getIp(),
+            'method'   => $profile->getMethod(),
+            'url'      => $profile->getUrl(),
+            'time'     => $profile->getTime(),
+        );
+
+        $profileIndexed = false !== $this->getValue($this->getItemName($profile->getToken()));
+
+        if ($this->setValue($this->getItemName($profile->getToken()), $data, $this->lifetime)) {
+
+            if (!$profileIndexed) {
+                // Add to index
+                $indexName = $this->getIndexName();
+
+                $indexRow = implode("\t", array(
+                    $profile->getToken(),
+                    $profile->getIp(),
+                    $profile->getMethod(),
+                    $profile->getUrl(),
+                    $profile->getTime(),
+                    $profile->getParentToken(),
+                ))."\n";
+
+                return $this->appendValue($indexName, $indexRow, $this->lifetime);
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Retrieve item from the memcache server
+     *
+     * @param string $key
+     *
+     * @return mixed
+     */
+    abstract protected function getValue($key);
+
+    /**
+     * Store an item on the memcache server under the specified key
+     *
+     * @param string $key
+     * @param mixed  $value
+     * @param int    $expiration
+     *
+     * @return boolean
+     */
+    abstract protected function setValue($key, $value, $expiration = 0);
+
+    /**
+     * Delete item from the memcache server
+     *
+     * @param string $key
+     *
+     * @return boolean
+     */
+    abstract protected function delete($key);
+
+    /**
+     * Append data to an existing item on the memcache server
+     * @param string $key
+     * @param string $value
+     * @param int    $expiration
+     *
+     * @return boolean
+     */
+    abstract protected function appendValue($key, $value, $expiration = 0);
+
+    private function createProfileFromData($token, $data, $parent = null)
+    {
+        $profile = new Profile($token);
+        $profile->setIp($data['ip']);
+        $profile->setMethod($data['method']);
+        $profile->setUrl($data['url']);
+        $profile->setTime($data['time']);
+        $profile->setCollectors($data['data']);
+
+        if (!$parent && $data['parent']) {
+            $parent = $this->read($data['parent']);
+        }
+
+        if ($parent) {
+            $profile->setParent($parent);
+        }
+
+        foreach ($data['children'] as $token) {
+            if (!$token) {
+                continue;
+            }
+
+            if (!$childProfileData = $this->getValue($this->getItemName($token))) {
+                continue;
+            }
+
+            $profile->addChild($this->createProfileFromData($token, $childProfileData, $profile));
+        }
+
+        return $profile;
+    }
+
+    /**
+     * Get item name
+     *
+     * @param string $token
+     *
+     * @return string
+     */
+    private function getItemName($token)
+    {
+        $name = self::TOKEN_PREFIX.$token;
+
+        if ($this->isItemNameValid($name)) {
+            return $name;
+        }
+
+        return false;
+    }
+
+    /**
+     * Get name of index
+     *
+     * @return string
+     */
+    private function getIndexName()
+    {
+        $name = self::TOKEN_PREFIX.'index';
+
+        if ($this->isItemNameValid($name)) {
+            return $name;
+        }
+
+        return false;
+    }
+
+    private function isItemNameValid($name)
+    {
+        $length = strlen($name);
+
+        if ($length > 250) {
+            throw new \RuntimeException(sprintf('The memcache item key "%s" is too long (%s bytes). Allowed maximum size is 250 bytes.', $name, $length));
+        }
+
+        return true;
+    }
+
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/FileProfilerStorage.php

@@ -0,0 +1,277 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+/**
+ * Storage for profiler using files.
+ *
+ * @author Alexandre Salomé <alexandre.salome@gmail.com>
+ */
+class FileProfilerStorage implements ProfilerStorageInterface
+{
+    /**
+     * Folder where profiler data are stored.
+     *
+     * @var string
+     */
+    private $folder;
+
+    /**
+     * Constructs the file storage using a "dsn-like" path.
+     *
+     * Example : "file:/path/to/the/storage/folder"
+     *
+     * @param string $dsn The DSN
+     *
+     * @throws \RuntimeException
+     */
+    public function __construct($dsn)
+    {
+        if (0 !== strpos($dsn, 'file:')) {
+            throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use FileStorage with an invalid dsn "%s". The expected format is "file:/path/to/the/storage/folder".', $dsn));
+        }
+        $this->folder = substr($dsn, 5);
+
+        if (!is_dir($this->folder)) {
+            mkdir($this->folder, 0777, true);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function find($ip, $url, $limit, $method, $start = null, $end = null)
+    {
+        $file = $this->getIndexFilename();
+
+        if (!file_exists($file)) {
+            return array();
+        }
+
+        $file = fopen($file, 'r');
+        fseek($file, 0, SEEK_END);
+
+        $result = array();
+        while (count($result) < $limit && $line = $this->readLineFromFile($file)) {
+            list($csvToken, $csvIp, $csvMethod, $csvUrl, $csvTime, $csvParent) = str_getcsv($line);
+
+            $csvTime = (int) $csvTime;
+
+            if ($ip && false === strpos($csvIp, $ip) || $url && false === strpos($csvUrl, $url) || $method && false === strpos($csvMethod, $method)) {
+                continue;
+            }
+
+            if (!empty($start) && $csvTime < $start) {
+               continue;
+            }
+
+            if (!empty($end) && $csvTime > $end) {
+                continue;
+            }
+
+            $result[$csvToken] = array(
+                'token'  => $csvToken,
+                'ip'     => $csvIp,
+                'method' => $csvMethod,
+                'url'    => $csvUrl,
+                'time'   => $csvTime,
+                'parent' => $csvParent,
+            );
+        }
+
+        fclose($file);
+
+        return array_values($result);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function purge()
+    {
+        $flags = \FilesystemIterator::SKIP_DOTS;
+        $iterator = new \RecursiveDirectoryIterator($this->folder, $flags);
+        $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST);
+
+        foreach ($iterator as $file) {
+            if (is_file($file)) {
+                unlink($file);
+            } else {
+                rmdir($file);
+            }
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($token)
+    {
+        if (!$token || !file_exists($file = $this->getFilename($token))) {
+            return null;
+        }
+
+        return $this->createProfileFromData($token, unserialize(file_get_contents($file)));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(Profile $profile)
+    {
+        $file = $this->getFilename($profile->getToken());
+
+        $profileIndexed = is_file($file);
+        if (!$profileIndexed) {
+            // Create directory
+            $dir = dirname($file);
+            if (!is_dir($dir)) {
+                mkdir($dir, 0777, true);
+            }
+        }
+
+        // Store profile
+        $data = array(
+            'token'    => $profile->getToken(),
+            'parent'   => $profile->getParentToken(),
+            'children' => array_map(function ($p) { return $p->getToken(); }, $profile->getChildren()),
+            'data'     => $profile->getCollectors(),
+            'ip'       => $profile->getIp(),
+            'method'   => $profile->getMethod(),
+            'url'      => $profile->getUrl(),
+            'time'     => $profile->getTime(),
+        );
+
+        if (false === file_put_contents($file, serialize($data))) {
+            return false;
+        }
+
+        if (!$profileIndexed) {
+            // Add to index
+            if (false === $file = fopen($this->getIndexFilename(), 'a')) {
+                return false;
+            }
+
+            fputcsv($file, array(
+                $profile->getToken(),
+                $profile->getIp(),
+                $profile->getMethod(),
+                $profile->getUrl(),
+                $profile->getTime(),
+                $profile->getParentToken(),
+            ));
+            fclose($file);
+        }
+
+        return true;
+    }
+
+    /**
+     * Gets filename to store data, associated to the token.
+     *
+     * @param string $token
+     *
+     * @return string The profile filename
+     */
+    protected function getFilename($token)
+    {
+        // Uses 4 last characters, because first are mostly the same.
+        $folderA = substr($token, -2, 2);
+        $folderB = substr($token, -4, 2);
+
+        return $this->folder.'/'.$folderA.'/'.$folderB.'/'.$token;
+    }
+
+    /**
+     * Gets the index filename.
+     *
+     * @return string The index filename
+     */
+    protected function getIndexFilename()
+    {
+        return $this->folder.'/index.csv';
+    }
+
+    /**
+     * Reads a line in the file, backward.
+     *
+     * This function automatically skips the empty lines and do not include the line return in result value.
+     *
+     * @param resource $file The file resource, with the pointer placed at the end of the line to read
+     *
+     * @return mixed A string representing the line or null if beginning of file is reached
+     */
+    protected function readLineFromFile($file)
+    {
+        $line = '';
+        $position = ftell($file);
+
+        if (0 === $position) {
+            return null;
+        }
+
+        while (true) {
+            $chunkSize = min($position, 1024);
+            $position -= $chunkSize;
+            fseek($file, $position);
+
+            if (0 === $chunkSize) {
+                // bof reached
+                break;
+            }
+
+            $buffer = fread($file, $chunkSize);
+
+            if (false === ($upTo = strrpos($buffer, "\n"))) {
+                $line = $buffer.$line;
+                continue;
+            }
+
+            $position += $upTo;
+            $line = substr($buffer, $upTo + 1).$line;
+            fseek($file, max(0, $position), SEEK_SET);
+
+            if ('' !== $line) {
+                break;
+            }
+        }
+
+        return '' === $line ? null : $line;
+    }
+
+    protected function createProfileFromData($token, $data, $parent = null)
+    {
+        $profile = new Profile($token);
+        $profile->setIp($data['ip']);
+        $profile->setMethod($data['method']);
+        $profile->setUrl($data['url']);
+        $profile->setTime($data['time']);
+        $profile->setCollectors($data['data']);
+
+        if (!$parent && $data['parent']) {
+            $parent = $this->read($data['parent']);
+        }
+
+        if ($parent) {
+            $profile->setParent($parent);
+        }
+
+        foreach ($data['children'] as $token) {
+            if (!$token || !file_exists($file = $this->getFilename($token))) {
+                continue;
+            }
+
+            $profile->addChild($this->createProfileFromData($token, unserialize(file_get_contents($file)), $profile));
+        }
+
+        return $profile;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/MemcacheProfilerStorage.php

@@ -0,0 +1,110 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+use Memcache;
+
+/**
+ * Memcache Profiler Storage
+ *
+ * @author Andrej Hudec <pulzarraider@gmail.com>
+ */
+class MemcacheProfilerStorage extends BaseMemcacheProfilerStorage
+{
+    /**
+     * @var Memcache
+     */
+    private $memcache;
+
+    /**
+     * Internal convenience method that returns the instance of the Memcache
+     *
+     * @return Memcache
+     *
+     * @throws \RuntimeException
+     */
+    protected function getMemcache()
+    {
+        if (null === $this->memcache) {
+            if (!preg_match('#^memcache://(?(?=\[.*\])\[(.*)\]|(.*)):(.*)$#', $this->dsn, $matches)) {
+                throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Memcache with an invalid dsn "%s". The expected format is "memcache://[host]:port".', $this->dsn));
+            }
+
+            $host = $matches[1] ?: $matches[2];
+            $port = $matches[3];
+
+            $memcache = new Memcache;
+            $memcache->addServer($host, $port);
+
+            $this->memcache = $memcache;
+        }
+
+        return $this->memcache;
+    }
+
+    /**
+     * Set instance of the Memcache
+     *
+     * @param Memcache $memcache
+     */
+    public function setMemcache($memcache)
+    {
+        $this->memcache = $memcache;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getValue($key)
+    {
+        return $this->getMemcache()->get($key);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setValue($key, $value, $expiration = 0)
+    {
+        return $this->getMemcache()->set($key, $value, false, time() + $expiration);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function delete($key)
+    {
+        return $this->getMemcache()->delete($key);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function appendValue($key, $value, $expiration = 0)
+    {
+        $memcache = $this->getMemcache();
+
+        if (method_exists($memcache, 'append')) {
+
+            //Memcache v3.0
+            if (!$result = $memcache->append($key, $value, false, $expiration)) {
+                return $memcache->set($key, $value, false, $expiration);
+            }
+
+            return $result;
+        }
+
+        //simulate append in Memcache <3.0
+        $content = $memcache->get($key);
+
+        return $memcache->set($key, $content.$value, false, $expiration);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/MemcachedProfilerStorage.php

@@ -0,0 +1,105 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+use Memcached;
+
+/**
+ * Memcached Profiler Storage
+ *
+ * @author Andrej Hudec <pulzarraider@gmail.com>
+ */
+class MemcachedProfilerStorage extends BaseMemcacheProfilerStorage
+{
+    /**
+     * @var Memcached
+     */
+    private $memcached;
+
+    /**
+     * Internal convenience method that returns the instance of the Memcached
+     *
+     * @return Memcached
+     *
+     * @throws \RuntimeException
+     */
+    protected function getMemcached()
+    {
+        if (null === $this->memcached) {
+            if (!preg_match('#^memcached://(?(?=\[.*\])\[(.*)\]|(.*)):(.*)$#', $this->dsn, $matches)) {
+                throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Memcached with an invalid dsn "%s". The expected format is "memcached://[host]:port".', $this->dsn));
+            }
+
+            $host = $matches[1] ?: $matches[2];
+            $port = $matches[3];
+
+            $memcached = new Memcached;
+
+            //disable compression to allow appending
+            $memcached->setOption(Memcached::OPT_COMPRESSION, false);
+
+            $memcached->addServer($host, $port);
+
+            $this->memcached = $memcached;
+        }
+
+        return $this->memcached;
+    }
+
+    /**
+     * Set instance of the Memcached
+     *
+     * @param Memcached $memcached
+     */
+    public function setMemcached($memcached)
+    {
+        $this->memcached = $memcached;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getValue($key)
+    {
+        return $this->getMemcached()->get($key);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setValue($key, $value, $expiration = 0)
+    {
+        return $this->getMemcached()->set($key, $value, time() + $expiration);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function delete($key)
+    {
+        return $this->getMemcached()->delete($key);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function appendValue($key, $value, $expiration = 0)
+    {
+        $memcached = $this->getMemcached();
+
+        if (!$result = $memcached->append($key, $value)) {
+            return $memcached->set($key, $value, $expiration);
+        }
+
+        return $result;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/MongoDbProfilerStorage.php

@@ -0,0 +1,236 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+class MongoDbProfilerStorage implements ProfilerStorageInterface
+{
+    protected $dsn;
+    protected $lifetime;
+    private $mongo;
+
+    /**
+     * Constructor.
+     *
+     * @param string  $dsn      A data source name
+     * @param string  $username Not used
+     * @param string  $password Not used
+     * @param integer $lifetime The lifetime to use for the purge
+     */
+    public function __construct($dsn, $username = '', $password = '', $lifetime = 86400)
+    {
+        $this->dsn = $dsn;
+        $this->lifetime = (int) $lifetime;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function find($ip, $url, $limit, $method, $start = null, $end = null)
+    {
+        $cursor = $this->getMongo()->find($this->buildQuery($ip, $url, $method, $start, $end), array('_id', 'parent', 'ip', 'method', 'url', 'time'))->sort(array('time' => -1))->limit($limit);
+
+        $tokens = array();
+        foreach ($cursor as $profile) {
+            $tokens[] = $this->getData($profile);
+        }
+
+        return $tokens;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function purge()
+    {
+        $this->getMongo()->remove(array());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($token)
+    {
+        $profile = $this->getMongo()->findOne(array('_id' => $token, 'data' => array('$exists' => true)));
+
+        if (null !== $profile) {
+            $profile = $this->createProfileFromData($this->getData($profile));
+        }
+
+        return $profile;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(Profile $profile)
+    {
+        $this->cleanup();
+
+        $record = array(
+            '_id' => $profile->getToken(),
+            'parent' => $profile->getParentToken(),
+            'data' => base64_encode(serialize($profile->getCollectors())),
+            'ip' => $profile->getIp(),
+            'method' => $profile->getMethod(),
+            'url' => $profile->getUrl(),
+            'time' => $profile->getTime()
+        );
+
+        $result = $this->getMongo()->update(array('_id' => $profile->getToken()), array_filter($record, function ($v) { return !empty($v); }), array('upsert' => true));
+
+        return (boolean) (isset($result['ok']) ? $result['ok'] : $result);
+    }
+
+    /**
+     * Internal convenience method that returns the instance of the MongoDB Collection
+     *
+     * @return \MongoCollection
+     *
+     * @throws \RuntimeException
+     */
+    protected function getMongo()
+    {
+        if ($this->mongo === null) {
+            if (preg_match('#^(mongodb://.*)/(.*)/(.*)$#', $this->dsn, $matches)) {
+                $server = $matches[1].(!empty($matches[2]) ? '/'.$matches[2] : '');
+                $database = $matches[2];
+                $collection = $matches[3];
+
+                $mongoClass = (version_compare(phpversion('mongo'), '1.3.0', '<')) ? '\Mongo' : '\MongoClient';
+                $mongo = new $mongoClass($server);
+                $this->mongo = $mongo->selectCollection($database, $collection);
+            } else {
+                throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use MongoDB with an invalid dsn "%s". The expected format is "mongodb://[user:pass@]host/database/collection"', $this->dsn));
+            }
+        }
+
+        return $this->mongo;
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return Profile
+     */
+    protected function createProfileFromData(array $data)
+    {
+        $profile = $this->getProfile($data);
+
+        if ($data['parent']) {
+            $parent = $this->getMongo()->findOne(array('_id' => $data['parent'], 'data' => array('$exists' => true)));
+            if ($parent) {
+                $profile->setParent($this->getProfile($this->getData($parent)));
+            }
+        }
+
+        $profile->setChildren($this->readChildren($data['token']));
+
+        return $profile;
+    }
+
+    /**
+     * @param string $token
+     *
+     * @return Profile[] An array of Profile instances
+     */
+    protected function readChildren($token)
+    {
+        $profiles = array();
+
+        $cursor = $this->getMongo()->find(array('parent' => $token, 'data' => array('$exists' => true)));
+        foreach ($cursor as $d) {
+            $profiles[] = $this->getProfile($this->getData($d));
+        }
+
+        return $profiles;
+    }
+
+    protected function cleanup()
+    {
+        $this->getMongo()->remove(array('time' => array('$lt' => time() - $this->lifetime)));
+    }
+
+    /**
+     * @param string $ip
+     * @param string $url
+     * @param string $method
+     * @param int    $start
+     * @param int    $end
+     *
+     * @return array
+     */
+    private function buildQuery($ip, $url, $method, $start, $end)
+    {
+        $query = array();
+
+        if (!empty($ip)) {
+            $query['ip'] = $ip;
+        }
+
+        if (!empty($url)) {
+            $query['url'] = $url;
+        }
+
+        if (!empty($method)) {
+            $query['method'] = $method;
+        }
+
+        if (!empty($start) || !empty($end)) {
+            $query['time'] = array();
+        }
+
+        if (!empty($start)) {
+            $query['time']['$gte'] = $start;
+        }
+
+        if (!empty($end)) {
+            $query['time']['$lte'] = $end;
+        }
+
+        return $query;
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return array
+     */
+    private function getData(array $data)
+    {
+        return array(
+            'token' => $data['_id'],
+            'parent' => isset($data['parent']) ? $data['parent'] : null,
+            'ip' => isset($data['ip']) ? $data['ip'] : null,
+            'method' => isset($data['method']) ? $data['method'] : null,
+            'url' => isset($data['url']) ? $data['url'] : null,
+            'time' => isset($data['time']) ? $data['time'] : null,
+            'data' => isset($data['data']) ? $data['data'] : null,
+        );
+    }
+
+    /**
+     * @param array $data
+     *
+     * @return Profile
+     */
+    private function getProfile(array $data)
+    {
+        $profile = new Profile($data['token']);
+        $profile->setIp($data['ip']);
+        $profile->setMethod($data['method']);
+        $profile->setUrl($data['url']);
+        $profile->setTime($data['time']);
+        $profile->setCollectors(unserialize(base64_decode($data['data'])));
+
+        return $profile;
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/MysqlProfilerStorage.php

@@ -0,0 +1,79 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+/**
+ * A ProfilerStorage for Mysql
+ *
+ * @author Jan Schumann <js@schumann-it.com>
+ */
+class MysqlProfilerStorage extends PdoProfilerStorage
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function initDb()
+    {
+        if (null === $this->db) {
+            if (0 !== strpos($this->dsn, 'mysql')) {
+                throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Mysql with an invalid dsn "%s". The expected format is "mysql:dbname=database_name;host=host_name".', $this->dsn));
+            }
+
+            if (!class_exists('PDO') || !in_array('mysql', \PDO::getAvailableDrivers(), true)) {
+                throw new \RuntimeException('You need to enable PDO_Mysql extension for the profiler to run properly.');
+            }
+
+            $db = new \PDO($this->dsn, $this->username, $this->password);
+            $db->exec('CREATE TABLE IF NOT EXISTS sf_profiler_data (token VARCHAR(255) PRIMARY KEY, data LONGTEXT, ip VARCHAR(64), method VARCHAR(6), url VARCHAR(255), time INTEGER UNSIGNED, parent VARCHAR(255), created_at INTEGER UNSIGNED, KEY (created_at), KEY (ip), KEY (method), KEY (url), KEY (parent))');
+
+            $this->db = $db;
+        }
+
+        return $this->db;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildCriteria($ip, $url, $start, $end, $limit, $method)
+    {
+        $criteria = array();
+        $args = array();
+
+        if ($ip = preg_replace('/[^\d\.]/', '', $ip)) {
+            $criteria[] = 'ip LIKE :ip';
+            $args[':ip'] = '%'.$ip.'%';
+        }
+
+        if ($url) {
+            $criteria[] = 'url LIKE :url';
+            $args[':url'] = '%'.addcslashes($url, '%_\\').'%';
+        }
+
+        if ($method) {
+            $criteria[] = 'method = :method';
+            $args[':method'] = $method;
+        }
+
+        if (!empty($start)) {
+            $criteria[] = 'time >= :start';
+            $args[':start'] = $start;
+        }
+
+        if (!empty($end)) {
+            $criteria[] = 'time <= :end';
+            $args[':end'] = $end;
+        }
+
+        return array($criteria, $args);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/PdoProfilerStorage.php

@@ -0,0 +1,264 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+/**
+ * Base PDO storage for profiling information in a PDO database.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Jan Schumann <js@schumann-it.com>
+ */
+abstract class PdoProfilerStorage implements ProfilerStorageInterface
+{
+    protected $dsn;
+    protected $username;
+    protected $password;
+    protected $lifetime;
+    protected $db;
+
+    /**
+     * Constructor.
+     *
+     * @param string  $dsn      A data source name
+     * @param string  $username The username for the database
+     * @param string  $password The password for the database
+     * @param integer $lifetime The lifetime to use for the purge
+     */
+    public function __construct($dsn, $username = '', $password = '', $lifetime = 86400)
+    {
+        $this->dsn = $dsn;
+        $this->username = $username;
+        $this->password = $password;
+        $this->lifetime = (int) $lifetime;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function find($ip, $url, $limit, $method, $start = null, $end = null)
+    {
+        if (null === $start) {
+            $start = 0;
+        }
+
+        if (null === $end) {
+            $end = time();
+        }
+
+        list($criteria, $args) = $this->buildCriteria($ip, $url, $start, $end, $limit, $method);
+
+        $criteria = $criteria ? 'WHERE '.implode(' AND ', $criteria) : '';
+
+        $db = $this->initDb();
+        $tokens = $this->fetch($db, 'SELECT token, ip, method, url, time, parent FROM sf_profiler_data '.$criteria.' ORDER BY time DESC LIMIT '.((integer) $limit), $args);
+        $this->close($db);
+
+        return $tokens;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function read($token)
+    {
+        $db = $this->initDb();
+        $args = array(':token' => $token);
+        $data = $this->fetch($db, 'SELECT data, parent, ip, method, url, time FROM sf_profiler_data WHERE token = :token LIMIT 1', $args);
+        $this->close($db);
+        if (isset($data[0]['data'])) {
+            return $this->createProfileFromData($token, $data[0]);
+        }
+
+        return null;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function write(Profile $profile)
+    {
+        $db = $this->initDb();
+        $args = array(
+            ':token'      => $profile->getToken(),
+            ':parent'     => $profile->getParentToken(),
+            ':data'       => base64_encode(serialize($profile->getCollectors())),
+            ':ip'         => $profile->getIp(),
+            ':method'     => $profile->getMethod(),
+            ':url'        => $profile->getUrl(),
+            ':time'       => $profile->getTime(),
+            ':created_at' => time(),
+        );
+
+        try {
+            if ($this->has($profile->getToken())) {
+                $this->exec($db, 'UPDATE sf_profiler_data SET parent = :parent, data = :data, ip = :ip, method = :method, url = :url, time = :time, created_at = :created_at WHERE token = :token', $args);
+            } else {
+                $this->exec($db, 'INSERT INTO sf_profiler_data (token, parent, data, ip, method, url, time, created_at) VALUES (:token, :parent, :data, :ip, :method, :url, :time, :created_at)', $args);
+            }
+            $this->cleanup();
+            $status = true;
+        } catch (\Exception $e) {
+            $status = false;
+        }
+
+        $this->close($db);
+
+        return $status;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function purge()
+    {
+        $db = $this->initDb();
+        $this->exec($db, 'DELETE FROM sf_profiler_data');
+        $this->close($db);
+    }
+
+    /**
+     * Build SQL criteria to fetch records by ip and url
+     *
+     * @param string $ip     The IP
+     * @param string $url    The URL
+     * @param string $start  The start period to search from
+     * @param string $end    The end period to search to
+     * @param string $limit  The maximum number of tokens to return
+     * @param string $method The request method
+     *
+     * @return array An array with (criteria, args)
+     */
+    abstract protected function buildCriteria($ip, $url, $start, $end, $limit, $method);
+
+    /**
+     * Initializes the database
+     *
+     * @throws \RuntimeException When the requested database driver is not installed
+     */
+    abstract protected function initDb();
+
+    protected function cleanup()
+    {
+        $db = $this->initDb();
+        $this->exec($db, 'DELETE FROM sf_profiler_data WHERE created_at < :time', array(':time' => time() - $this->lifetime));
+        $this->close($db);
+    }
+
+    protected function exec($db, $query, array $args = array())
+    {
+        $stmt = $this->prepareStatement($db, $query);
+
+        foreach ($args as $arg => $val) {
+            $stmt->bindValue($arg, $val, is_int($val) ? \PDO::PARAM_INT : \PDO::PARAM_STR);
+        }
+        $success = $stmt->execute();
+        if (!$success) {
+            throw new \RuntimeException(sprintf('Error executing query "%s"', $query));
+        }
+    }
+
+    protected function prepareStatement($db, $query)
+    {
+        try {
+            $stmt = $db->prepare($query);
+        } catch (\Exception $e) {
+            $stmt = false;
+        }
+
+        if (false === $stmt) {
+            throw new \RuntimeException('The database cannot successfully prepare the statement');
+        }
+
+        return $stmt;
+    }
+
+    protected function fetch($db, $query, array $args = array())
+    {
+        $stmt = $this->prepareStatement($db, $query);
+
+        foreach ($args as $arg => $val) {
+            $stmt->bindValue($arg, $val, is_int($val) ? \PDO::PARAM_INT : \PDO::PARAM_STR);
+        }
+        $stmt->execute();
+        $return = $stmt->fetchAll(\PDO::FETCH_ASSOC);
+
+        return $return;
+    }
+
+    protected function close($db)
+    {
+    }
+
+    protected function createProfileFromData($token, $data, $parent = null)
+    {
+        $profile = new Profile($token);
+        $profile->setIp($data['ip']);
+        $profile->setMethod($data['method']);
+        $profile->setUrl($data['url']);
+        $profile->setTime($data['time']);
+        $profile->setCollectors(unserialize(base64_decode($data['data'])));
+
+        if (!$parent && !empty($data['parent'])) {
+            $parent = $this->read($data['parent']);
+        }
+
+        if ($parent) {
+            $profile->setParent($parent);
+        }
+
+        $profile->setChildren($this->readChildren($token, $profile));
+
+        return $profile;
+    }
+
+    /**
+     * Reads the child profiles for the given token.
+     *
+     * @param string $token  The parent token
+     * @param string $parent The parent instance
+     *
+     * @return Profile[] An array of Profile instance
+     */
+    protected function readChildren($token, $parent)
+    {
+        $db = $this->initDb();
+        $data = $this->fetch($db, 'SELECT token, data, ip, method, url, time FROM sf_profiler_data WHERE parent = :token', array(':token' => $token));
+        $this->close($db);
+
+        if (!$data) {
+            return array();
+        }
+
+        $profiles = array();
+        foreach ($data as $d) {
+            $profiles[] = $this->createProfileFromData($d['token'], $d, $parent);
+        }
+
+        return $profiles;
+    }
+
+    /**
+     * Returns whether data for the given token already exists in storage.
+     *
+     * @param string $token The profile token
+     *
+     * @return string
+     */
+    protected function has($token)
+    {
+        $db = $this->initDb();
+        $tokenExists = $this->fetch($db, 'SELECT 1 FROM sf_profiler_data WHERE token = :token LIMIT 1', array(':token' => $token));
+        $this->close($db);
+
+        return !empty($tokenExists);
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/Profile.php

@@ -0,0 +1,275 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface;
+
+/**
+ * Profile.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Profile
+{
+    private $token;
+
+    /**
+     * @var DataCollectorInterface[]
+     */
+    private $collectors = array();
+
+    private $ip;
+    private $method;
+    private $url;
+    private $time;
+
+    /**
+     * @var Profile
+     */
+    private $parent;
+
+    /**
+     * @var Profile[]
+     */
+    private $children = array();
+
+    /**
+     * Constructor.
+     *
+     * @param string $token The token
+     */
+    public function __construct($token)
+    {
+        $this->token = $token;
+    }
+
+    /**
+     * Sets the token.
+     *
+     * @param string $token The token
+     */
+    public function setToken($token)
+    {
+        $this->token = $token;
+    }
+
+    /**
+     * Gets the token.
+     *
+     * @return string The token
+     */
+    public function getToken()
+    {
+        return $this->token;
+    }
+
+    /**
+     * Sets the parent token
+     *
+     * @param Profile $parent The parent Profile
+     */
+    public function setParent(Profile $parent)
+    {
+        $this->parent = $parent;
+    }
+
+    /**
+     * Returns the parent profile.
+     *
+     * @return Profile The parent profile
+     */
+    public function getParent()
+    {
+        return $this->parent;
+    }
+
+    /**
+     * Returns the parent token.
+     *
+     * @return null|string The parent token
+     */
+    public function getParentToken()
+    {
+        return $this->parent ? $this->parent->getToken() : null;
+    }
+
+    /**
+     * Returns the IP.
+     *
+     * @return string The IP
+     */
+    public function getIp()
+    {
+        return $this->ip;
+    }
+
+    /**
+     * Sets the IP.
+     *
+     * @param string $ip
+     */
+    public function setIp($ip)
+    {
+        $this->ip = $ip;
+    }
+
+    /**
+     * Returns the request method.
+     *
+     * @return string The request method
+     */
+    public function getMethod()
+    {
+        return $this->method;
+    }
+
+    public function setMethod($method)
+    {
+        $this->method = $method;
+    }
+
+    /**
+     * Returns the URL.
+     *
+     * @return string The URL
+     */
+    public function getUrl()
+    {
+        return $this->url;
+    }
+
+    public function setUrl($url)
+    {
+        $this->url = $url;
+    }
+
+    /**
+     * Returns the time.
+     *
+     * @return string The time
+     */
+    public function getTime()
+    {
+        if (null === $this->time) {
+            return 0;
+        }
+
+        return $this->time;
+    }
+
+    public function setTime($time)
+    {
+        $this->time = $time;
+    }
+
+    /**
+     * Finds children profilers.
+     *
+     * @return Profile[] An array of Profile
+     */
+    public function getChildren()
+    {
+        return $this->children;
+    }
+
+    /**
+     * Sets children profiler.
+     *
+     * @param Profile[] $children An array of Profile
+     */
+    public function setChildren(array $children)
+    {
+        $this->children = array();
+        foreach ($children as $child) {
+            $this->addChild($child);
+        }
+    }
+
+    /**
+     * Adds the child token
+     *
+     * @param Profile $child The child Profile
+     */
+    public function addChild(Profile $child)
+    {
+        $this->children[] = $child;
+        $child->setParent($this);
+    }
+
+    /**
+     * Gets a Collector by name.
+     *
+     * @param string $name A collector name
+     *
+     * @return DataCollectorInterface A DataCollectorInterface instance
+     *
+     * @throws \InvalidArgumentException if the collector does not exist
+     */
+    public function getCollector($name)
+    {
+        if (!isset($this->collectors[$name])) {
+            throw new \InvalidArgumentException(sprintf('Collector "%s" does not exist.', $name));
+        }
+
+        return $this->collectors[$name];
+    }
+
+    /**
+     * Gets the Collectors associated with this profile.
+     *
+     * @return DataCollectorInterface[]
+     */
+    public function getCollectors()
+    {
+        return $this->collectors;
+    }
+
+    /**
+     * Sets the Collectors associated with this profile.
+     *
+     * @param DataCollectorInterface[] $collectors
+     */
+    public function setCollectors(array $collectors)
+    {
+        $this->collectors = array();
+        foreach ($collectors as $collector) {
+            $this->addCollector($collector);
+        }
+    }
+
+    /**
+     * Adds a Collector.
+     *
+     * @param DataCollectorInterface $collector A DataCollectorInterface instance
+     */
+    public function addCollector(DataCollectorInterface $collector)
+    {
+        $this->collectors[$collector->getName()] = $collector;
+    }
+
+    /**
+     * Returns true if a Collector for the given name exists.
+     *
+     * @param string $name A collector name
+     *
+     * @return Boolean
+     */
+    public function hasCollector($name)
+    {
+        return isset($this->collectors[$name]);
+    }
+
+    public function __sleep()
+    {
+        return array('token', 'parent', 'children', 'collectors', 'ip', 'method', 'url', 'time');
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/Profiler.php

@@ -0,0 +1,287 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Profiler\ProfilerStorageInterface;
+use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Profiler.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Profiler
+{
+    /**
+     * @var ProfilerStorageInterface
+     */
+    private $storage;
+
+    /**
+     * @var DataCollectorInterface[]
+     */
+    private $collectors = array();
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * @var Boolean
+     */
+    private $enabled = true;
+
+    /**
+     * Constructor.
+     *
+     * @param ProfilerStorageInterface $storage A ProfilerStorageInterface instance
+     * @param LoggerInterface          $logger  A LoggerInterface instance
+     */
+    public function __construct(ProfilerStorageInterface $storage, LoggerInterface $logger = null)
+    {
+        $this->storage = $storage;
+        $this->logger = $logger;
+    }
+
+    /**
+     * Disables the profiler.
+     */
+    public function disable()
+    {
+        $this->enabled = false;
+    }
+
+    /**
+     * Enables the profiler.
+     */
+    public function enable()
+    {
+        $this->enabled = true;
+    }
+
+    /**
+     * Loads the Profile for the given Response.
+     *
+     * @param Response $response A Response instance
+     *
+     * @return Profile A Profile instance
+     */
+    public function loadProfileFromResponse(Response $response)
+    {
+        if (!$token = $response->headers->get('X-Debug-Token')) {
+            return false;
+        }
+
+        return $this->loadProfile($token);
+    }
+
+    /**
+     * Loads the Profile for the given token.
+     *
+     * @param string $token A token
+     *
+     * @return Profile A Profile instance
+     */
+    public function loadProfile($token)
+    {
+        return $this->storage->read($token);
+    }
+
+    /**
+     * Saves a Profile.
+     *
+     * @param Profile $profile A Profile instance
+     *
+     * @return Boolean
+     */
+    public function saveProfile(Profile $profile)
+    {
+        if (!($ret = $this->storage->write($profile)) && null !== $this->logger) {
+            $this->logger->warning('Unable to store the profiler information.');
+        }
+
+        return $ret;
+    }
+
+    /**
+     * Purges all data from the storage.
+     */
+    public function purge()
+    {
+        $this->storage->purge();
+    }
+
+    /**
+     * Exports the current profiler data.
+     *
+     * @param Profile $profile A Profile instance
+     *
+     * @return string The exported data
+     */
+    public function export(Profile $profile)
+    {
+        return base64_encode(serialize($profile));
+    }
+
+    /**
+     * Imports data into the profiler storage.
+     *
+     * @param string $data A data string as exported by the export() method
+     *
+     * @return Profile A Profile instance
+     */
+    public function import($data)
+    {
+        $profile = unserialize(base64_decode($data));
+
+        if ($this->storage->read($profile->getToken())) {
+            return false;
+        }
+
+        $this->saveProfile($profile);
+
+        return $profile;
+    }
+
+    /**
+     * Finds profiler tokens for the given criteria.
+     *
+     * @param string $ip     The IP
+     * @param string $url    The URL
+     * @param string $limit  The maximum number of tokens to return
+     * @param string $method The request method
+     * @param string $start  The start date to search from
+     * @param string $end    The end date to search to
+     *
+     * @return array An array of tokens
+     *
+     * @see http://fr2.php.net/manual/en/datetime.formats.php for the supported date/time formats
+     */
+    public function find($ip, $url, $limit, $method, $start, $end)
+    {
+        if ('' != $start && null !== $start) {
+            $start = new \DateTime($start);
+            $start = $start->getTimestamp();
+        } else {
+            $start = null;
+        }
+
+        if ('' != $end && null !== $end) {
+            $end = new \DateTime($end);
+            $end = $end->getTimestamp();
+        } else {
+            $end = null;
+        }
+
+        return $this->storage->find($ip, $url, $limit, $method, $start, $end);
+    }
+
+    /**
+     * Collects data for the given Response.
+     *
+     * @param Request    $request   A Request instance
+     * @param Response   $response  A Response instance
+     * @param \Exception $exception An exception instance if the request threw one
+     *
+     * @return Profile|null A Profile instance or null if the profiler is disabled
+     */
+    public function collect(Request $request, Response $response, \Exception $exception = null)
+    {
+        if (false === $this->enabled) {
+            return;
+        }
+
+        $profile = new Profile(substr(sha1(uniqid(mt_rand(), true)), 0, 6));
+        $profile->setTime(time());
+        $profile->setUrl($request->getUri());
+        $profile->setIp($request->getClientIp());
+        $profile->setMethod($request->getMethod());
+
+        $response->headers->set('X-Debug-Token', $profile->getToken());
+
+        foreach ($this->collectors as $collector) {
+            $collector->collect($request, $response, $exception);
+
+            // forces collectors to become "read/only" (they loose their object dependencies)
+            $profile->addCollector(unserialize(serialize($collector)));
+        }
+
+        return $profile;
+    }
+
+    /**
+     * Gets the Collectors associated with this profiler.
+     *
+     * @return array An array of collectors
+     */
+    public function all()
+    {
+        return $this->collectors;
+    }
+
+    /**
+     * Sets the Collectors associated with this profiler.
+     *
+     * @param DataCollectorInterface[] $collectors An array of collectors
+     */
+    public function set(array $collectors = array())
+    {
+        $this->collectors = array();
+        foreach ($collectors as $collector) {
+            $this->add($collector);
+        }
+    }
+
+    /**
+     * Adds a Collector.
+     *
+     * @param DataCollectorInterface $collector A DataCollectorInterface instance
+     */
+    public function add(DataCollectorInterface $collector)
+    {
+        $this->collectors[$collector->getName()] = $collector;
+    }
+
+    /**
+     * Returns true if a Collector for the given name exists.
+     *
+     * @param string $name A collector name
+     *
+     * @return Boolean
+     */
+    public function has($name)
+    {
+        return isset($this->collectors[$name]);
+    }
+
+    /**
+     * Gets a Collector by name.
+     *
+     * @param string $name A collector name
+     *
+     * @return DataCollectorInterface A DataCollectorInterface instance
+     *
+     * @throws \InvalidArgumentException if the collector does not exist
+     */
+    public function get($name)
+    {
+        if (!isset($this->collectors[$name])) {
+            throw new \InvalidArgumentException(sprintf('Collector "%s" does not exist.', $name));
+        }
+
+        return $this->collectors[$name];
+    }
+}

vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Profiler/ProfilerStorageInterface.php

@@ -0,0 +1,59 @@
+<?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.
+ */
+
+namespace Symfony\Component\HttpKernel\Profiler;
+
+/**
+ * ProfilerStorageInterface.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+interface ProfilerStorageInterface
+{
+    /**
+     * Finds profiler tokens for the given criteria.
+     *
+     * @param string   $ip     The IP
+     * @param string   $url    The URL
+     * @param string   $limit  The maximum number of tokens to return
+     * @param string   $method The request method
+     * @param int|null $start  The start date to search from
+     * @param int|null $end    The end date to search to
+     *
+     * @return array An array of tokens
+     */
+    public function find($ip, $url, $limit, $method, $start = null, $end = null);
+
+    /**
+     * Reads data associated with the given token.
+     *
+     * The method returns false if the token does not exist in the storage.
+     *
+     * @param string $token A token
+     *
+     * @return Profile The profile associated with token
+     */
+    public function read($token);
+
+    /**
+     * Saves a Profile.
+     *
+     * @param Profile $profile A Profile instance
+     *
+     * @return Boolean Write operation successful
+     */
+    public function write(Profile $profile);
+
+    /**
+     * Purges all data from the database.
+     */
+    public function purge();
+}