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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\EventSubscriber\AcceptNegotiation406. | |
| */ | |
| namespace Drupal\Core\EventSubscriber; | |
| use Symfony\Component\EventDispatcher\EventSubscriberInterface; | |
| use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent; | |
| use Symfony\Component\HttpKernel\Exception\NotAcceptableHttpException; | |
| use Symfony\Component\HttpKernel\KernelEvents; | |
| /** | |
| * View subscriber rendering a 406 if we could not route or render a request. | |
| * | |
| * @todo fix or replace this in https://www.drupal.org/node/2364011 | |
| */ | |
| class AcceptNegotiation406 implements EventSubscriberInterface { | |
| /** | |
| * Throws an HTTP 406 error if we get this far, which we normally shouldn't. | |
| * | |
| * @param \Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent $event | |
| * The event to process. | |
| */ | |
| public function onViewDetect406(GetResponseForControllerResultEvent $event) { | |
| $request = $event->getRequest(); | |
| $result = $event->getControllerResult(); | |
| // If this is a render array then we assume that the router went with the | |
| // generic controller and not one with a format. If the format requested is | |
| // not HTML though we can also assume that the requested format is invalid | |
| // so we provide a 406 response. | |
| if (is_array($result) && $request->getRequestFormat() !== 'html') { | |
| throw new NotAcceptableHttpException('Not acceptable'); | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| static function getSubscribedEvents() { | |
| $events[KernelEvents::VIEW][] = ['onViewDetect406', -10]; | |
| return $events; | |
| } | |
| } |