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<?php |
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namespace Palmtree\CanonicalUrlBundle\EventListener; |
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use Palmtree\CanonicalUrlBundle\Service\CanonicalUrlGenerator; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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class RequestListener |
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{ |
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/** @var CanonicalUrlGenerator */ |
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private $canonicalUrlGenerator; |
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/** @var bool */ |
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private $redirect; |
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/** @var int */ |
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private $redirectCode; |
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/** |
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* KernelEventListener constructor. |
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* |
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* @param CanonicalUrlGenerator $urlGenerator |
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* @param array $config |
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*/ |
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public function __construct(CanonicalUrlGenerator $urlGenerator, array $config = []) |
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{ |
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$this->canonicalUrlGenerator = $urlGenerator; |
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$this->redirect = $config['redirect']; |
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$this->redirectCode = $config['redirect_code']; |
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} |
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/** |
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* Listener for the 'kernel.request' event. |
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* |
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* @param GetResponseEvent $event |
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* |
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* @return bool |
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*/ |
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public function onKernelRequest(GetResponseEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$route = $request->attributes->get('_route'); |
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if (!$route) { |
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return false; |
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} |
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$params = $request->attributes->get('_route_params'); |
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// Get full request URL without query string. |
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$requestUrl = $request->getSchemeAndHttpHost() . $request->getRequestUri(); |
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$requestUrl = \urldecode(\strtok($requestUrl, '?')); |
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$redirectUrl = $this->canonicalUrlGenerator->generate($route, $params); |
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// Compare without query string |
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$canonicalUrl = \urldecode(\strtok($redirectUrl, '?')); |
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if ($redirectUrl && \strcasecmp($requestUrl, $canonicalUrl) !== 0) { |
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if ($this->redirect) { |
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$response = new RedirectResponse($redirectUrl, $this->redirectCode); |
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$event->setResponse($response); |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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palmtreephp /
canonical-url-bundle
