public AuthenticationSubscriber::onExceptionSendChallenge(GetResponseForExceptionEvent $event)
Respond with a challenge on access denied exceptions if appropriate.
On a 403 (access denied), if there are no credentials on the request, some authentication methods (e.g. basic auth) require that a challenge is sent to the client.
Parameters
\Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event: The exception event.
File
- core/lib/Drupal/Core/EventSubscriber/AuthenticationSubscriber.php, line 114
Class
- AuthenticationSubscriber
- Authentication subscriber.
Namespace
Drupal\Core\EventSubscriber
Code
public function onExceptionSendChallenge(GetResponseForExceptionEvent $event) {
if (isset($this->challengeProvider) && $event->getRequestType() === HttpKernelInterface::MASTER_REQUEST) {
$request = $event->getRequest();
$exception = $event->getException();
if ($exception instanceof AccessDeniedHttpException && !$this->authenticationProvider->applies($request) && (!isset($this->filter) || $this->filter->appliesToRoutedRequest($request, FALSE))) {
$challenge_exception = $this->challengeProvider->challengeException($request, $exception);
if ($challenge_exception) {
$event->setException($challenge_exception);
}
}
}
}
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