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<?php |
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/* |
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* This file is part of the FOSHttpCache package. |
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* |
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* (c) FriendsOfSymfony <http://friendsofsymfony.github.com/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FOS\HttpCache\SymfonyCache; |
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use FOS\HttpCache\Exception\ExceptionCollection; |
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use FOS\HttpCache\Exception\ProxyUnreachableException; |
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use FOS\HttpCache\ProxyClient\Dispatcher; |
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use Psr\Http\Message\RequestInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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/** |
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* This Dispatcher directly calls the Symfony HttpCache kernel without |
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* executing any actual HTTP requests. |
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* |
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* This dispatcher can only be used if your application runs on one single |
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* server. |
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* |
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* If you use Varnish/Nginx or have multiple servers, this client can not be |
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* used. |
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* |
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* @author Yanick Witschi <[email protected]> |
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*/ |
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class KernelDispatcher implements Dispatcher |
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{ |
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/** |
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* @var HttpCacheProvider |
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*/ |
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private $httpCacheProvider; |
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/** |
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* @var array |
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*/ |
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private $queue = []; |
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public function __construct(HttpCacheProvider $httpCacheProvider) |
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{ |
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$this->httpCacheProvider = $httpCacheProvider; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function invalidate(RequestInterface $invalidationRequest, $validateHost = true) |
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{ |
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$request = Request::create( |
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$invalidationRequest->getUri(), |
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$invalidationRequest->getMethod(), |
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[], |
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[], |
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[], |
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['REMOTE_ADDR' => '127.0.0.1'], |
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$invalidationRequest->getBody()->getContents() |
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); |
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// Add headers |
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$headers = $invalidationRequest->getHeaders(); |
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foreach ($headers as $name => $values) { |
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$name = strtolower($name); |
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// symfony won't look at the cookies header but parses it when creating the request |
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if ('cookie' === $name) { |
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foreach ($values as $value) { |
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foreach (explode(';', $value) as $cookieString) { |
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$chunks = explode('=', $cookieString, 2); |
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$request->cookies->add([trim($chunks[0]) => trim($chunks[1])]); |
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} |
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} |
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continue; |
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} |
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$request->headers->set($name, $values); |
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} |
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$this->queue[sha1($request)] = $request; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function flush() |
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{ |
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if (!count($this->queue)) { |
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return 0; |
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} |
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$queue = $this->queue; |
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$this->queue = []; |
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$exceptions = new ExceptionCollection(); |
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$httpCache = $this->httpCacheProvider->getHttpCache(); |
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if (null === $httpCache) { |
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throw new ProxyUnreachableException('Kernel did not return a HttpCache instance. Did you forget $kernel->setHttpCache($cacheKernel) in your front controller?'); |
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} |
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foreach ($queue as $request) { |
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try { |
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$httpCache->handle($request, HttpKernelInterface::MASTER_REQUEST, false); |
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} catch (\Exception $e) { |
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$exceptions->add($e); |
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} |
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} |
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if (count($exceptions)) { |
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throw $exceptions; |
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} |
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return count($queue); |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCache
