class RenderArrayNonHtmlSubscriber

Same name in other branches
  1. 9 core/lib/Drupal/Core/EventSubscriber/RenderArrayNonHtmlSubscriber.php \Drupal\Core\EventSubscriber\RenderArrayNonHtmlSubscriber
  2. 10 core/lib/Drupal/Core/EventSubscriber/RenderArrayNonHtmlSubscriber.php \Drupal\Core\EventSubscriber\RenderArrayNonHtmlSubscriber
  3. 11.x core/lib/Drupal/Core/EventSubscriber/RenderArrayNonHtmlSubscriber.php \Drupal\Core\EventSubscriber\RenderArrayNonHtmlSubscriber

Throws 406 if requesting non-HTML format and controller returns render array.

Hierarchy

Expanded class hierarchy of RenderArrayNonHtmlSubscriber

1 string reference to 'RenderArrayNonHtmlSubscriber'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses RenderArrayNonHtmlSubscriber
renderer_non_html in core/core.services.yml
Drupal\Core\EventSubscriber\RenderArrayNonHtmlSubscriber

File

core/lib/Drupal/Core/EventSubscriber/RenderArrayNonHtmlSubscriber.php, line 13

Namespace

Drupal\Core\EventSubscriber
View source
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;
    }

}

Members

Title Sort descending Modifiers Object type Summary
RenderArrayNonHtmlSubscriber::getSubscribedEvents public static function
RenderArrayNonHtmlSubscriber::onRespond public function Throws an HTTP 406 error if client requested a non-HTML format.

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