interface AuthenticationProviderChallengeInterface in Drupal 8

Generate a challenge when access is denied for unauthenticated users.

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.

Hierarchy

• interface \Drupal\Core\Authentication\AuthenticationProviderChallengeInterface

2 files declare their use of AuthenticationProviderChallengeInterface

AuthenticationSubscriber.php in core/lib/Drupal/Core/EventSubscriber/AuthenticationSubscriber.php

BasicAuth.php in core/modules/basic_auth/src/Authentication/Provider/BasicAuth.php

File

core/lib/Drupal/Core/Authentication/AuthenticationProviderChallengeInterface.php, line 14

Namespace

Drupal\Core\Authentication

interface AuthenticationProviderChallengeInterface {

  /**
   * Constructs an exception which is used to generate the challenge.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request.
   * @param \Exception $previous
   *   The previous exception.
   *
   * @return \Symfony\Component\HttpKernel\Exception\HttpExceptionInterface|null
   *   An exception to be used in order to generate an authentication challenge.
   */
  public function challengeException(Request $request, \Exception $previous);

}

Members

Name	Modifiers	Type	Description	Overrides
AuthenticationProviderChallengeInterface::challengeException	public	function	Constructs an exception which is used to generate the challenge.	2