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<?php |
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/** |
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* This file is part of the eZ Publish Kernel package. |
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* |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributd with this source code. |
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*/ |
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namespace eZ\Bundle\EzPublishIOBundle\EventListener; |
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use eZ\Bundle\EzPublishIOBundle\BinaryStreamResponse; |
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use eZ\Publish\Core\IO\IOServiceInterface; |
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use eZ\Publish\Core\IO\Values\MissingBinaryFile; |
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use eZ\Publish\Core\MVC\ConfigResolverInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\HttpKernel\Exception\NotFoundHttpException; |
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use Symfony\Component\HttpKernel\HttpKernelInterface; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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/** |
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* Listens for IO files requests, and streams them. |
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*/ |
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class StreamFileListener implements EventSubscriberInterface |
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{ |
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/** @var IOServiceInterface */ |
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private $ioService; |
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/** @var ConfigResolverInterface */ |
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private $configResolver; |
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public function __construct(IOServiceInterface $ioService, ConfigResolverInterface $configResolver) |
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{ |
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$this->ioService = $ioService; |
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$this->configResolver = $configResolver; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return array( |
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KernelEvents::REQUEST => array('onKernelRequest', 42), |
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); |
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} |
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/** |
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* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event |
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*/ |
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public function onKernelRequest(GetResponseEvent $event) |
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{ |
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if ($event->getRequestType() !== HttpKernelInterface::MASTER_REQUEST) { |
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return; |
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} |
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$uri = $event->getRequest()->attributes->get('semanticPathinfo'); |
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if (!$this->isIoUri($uri)) { |
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return; |
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} |
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$binaryFile = $this->ioService->loadBinaryFileByUri($uri); |
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if ($binaryFile instanceof MissingBinaryFile) { |
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throw new NotFoundHttpException("Could not find 'BinaryFile' with identifier '$uri'"); |
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} |
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$event->setResponse( |
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new BinaryStreamResponse( |
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$binaryFile, |
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$this->ioService |
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) |
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); |
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} |
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/** |
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* Tests if $uri is an IO file uri root. |
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* |
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* @param string $uri |
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* |
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* @return bool |
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*/ |
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private function isIoUri($uri) |
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{ |
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return (strpos(ltrim($uri, '/'), $this->configResolver->getParameter('io.url_prefix')) === 0); |
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} |
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} |
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ezsystems /
ezpublish-kernel
