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<?php |
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/* |
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* This file is part of the FOSHttpCacheBundle 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\HttpCacheBundle\Http; |
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestMatcherInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* This matcher wraps a Symfony2 RequestMatcher and adds some criteria for the |
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* response. |
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* |
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* @author David Buchmann <[email protected]> |
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*/ |
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class RuleMatcher implements RuleMatcherInterface |
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{ |
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/** |
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* @var RequestMatcherInterface |
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*/ |
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private $requestMatcher; |
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/** |
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* @var array |
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*/ |
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private $criteria; |
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/** |
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* @var ExpressionLanguage |
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*/ |
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private $expressionLanguage; |
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/** |
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* @param RequestMatcherInterface $requestMatcher Strategy to match the request |
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* @param array $criteria Additional criteria not covered by request matcher |
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*/ |
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public function __construct(RequestMatcherInterface $requestMatcher, array $criteria) |
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{ |
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$this->requestMatcher = $requestMatcher; |
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$this->criteria = $criteria; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function matches(Request $request, Response $response) |
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{ |
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if (!$this->requestMatcher->matches($request)) { |
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return false; |
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} |
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if (!empty($this->criteria['match_response'])) { |
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if (!$this->getExpressionLanguage()->evaluate($this->criteria['match_response'], [ |
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'response' => $response, |
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])) { |
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return false; |
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} |
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} else { |
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/* We can't use Response::isCacheable because that also checks if cache |
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* headers are already set. As we are about to set them, that would |
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* always return false. |
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*/ |
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$status = [200, 203, 204, 300, 301, 302, 404, 410]; |
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if (!empty($this->criteria['additional_cacheable_status'])) { |
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$status = array_merge($status, $this->criteria['additional_cacheable_status']); |
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} |
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if (!in_array($response->getStatusCode(), $status)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @return ExpressionLanguage |
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*/ |
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private function getExpressionLanguage() |
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{ |
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if (!$this->expressionLanguage) { |
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$this->expressionLanguage = new ExpressionLanguage(); |
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} |
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return $this->expressionLanguage; |
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} |
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} |
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FriendsOfSymfony /
FOSHttpCacheBundle
