Mercurial > hg > isophonics-drupal-site
view core/lib/Drupal/Core/EventSubscriber/RenderArrayNonHtmlSubscriber.php @ 12:7a779792577d
Update Drupal core to v8.4.5 (via Composer)
author | Chris Cannam |
---|---|
date | Fri, 23 Feb 2018 15:52:07 +0000 |
parents | 4c8ae668cc8c |
children |
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<?php 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; /** * Throws 406 if requesting non-HTML format and controller returns render array. */ class RenderArrayNonHtmlSubscriber implements EventSubscriberInterface { /** * Throws an HTTP 406 error if client requested a non-HTML format. * * @param \Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent $event * The event to process. */ public function onRespond(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 format: ' . $request->getRequestFormat()); } } /** * {@inheritdoc} */ public static function getSubscribedEvents() { $events[KernelEvents::VIEW][] = ['onRespond', -10]; return $events; } }