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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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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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declare(strict_types=1); |
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namespace ApiPlatform\Core\HttpCache\EventListener; |
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use ApiPlatform\Core\Util\RequestAttributesExtractor; |
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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/** |
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* Configures cache HTTP headers for the current response. |
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* |
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* @author Kévin Dunglas <[email protected]> |
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* |
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* @experimental |
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*/ |
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final class AddHeadersListener |
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{ |
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private $etag; |
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private $maxAge; |
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private $sharedMaxage; |
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private $vary; |
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private $public; |
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public function __construct(bool $etag = false, int $maxAge = null, int $sharedMaxAge = null, array $vary = null, bool $public = null) |
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{ |
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$this->etag = $etag; |
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$this->maxAge = $maxAge; |
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$this->sharedMaxage = $sharedMaxAge; |
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$this->vary = $vary; |
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$this->public = $public; |
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} |
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public function onKernelResponse(FilterResponseEvent $event) |
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{ |
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$request = $event->getRequest(); |
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if (!$request->isMethodCacheable() || !RequestAttributesExtractor::extractAttributes($request)) { |
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return; |
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} |
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$response = $event->getResponse(); |
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if ($this->etag) { |
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$response->setEtag(md5($response->getContent())); |
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} |
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if (null !== $this->maxAge) { |
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$response->setMaxAge($this->maxAge); |
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} |
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if (null !== $this->vary) { |
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$response->setVary($this->vary); |
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} |
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if (null !== $this->sharedMaxage) { |
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$response->setSharedMaxAge($this->sharedMaxage); |
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} |
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if (null !== $this->public) { |
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$this->public ? $response->setPublic() : $response->setPrivate(); |
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} |
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} |
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} |
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api-platform /
core
