vendor/symfony/security-core/Authentication/AuthenticationProviderManager.php line 63

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\Security\Core\Authentication;
  14. use Symfony\Component\EventDispatcher\EventDispatcherInterface;
  15. use Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface;
  16. use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
  17. use Symfony\Component\Security\Core\AuthenticationEvents;
  18. use Symfony\Component\Security\Core\Event\AuthenticationEvent;
  19. use Symfony\Component\Security\Core\Event\AuthenticationFailureEvent;
  20. use Symfony\Component\Security\Core\Exception\AccountStatusException;
  21. use Symfony\Component\Security\Core\Exception\AuthenticationException;
  22. use Symfony\Component\Security\Core\Exception\ProviderNotFoundException;
  24. /**
  25.  * AuthenticationProviderManager uses a list of AuthenticationProviderInterface
  26.  * instances to authenticate a Token.
  27.  *
  28.  * @author Fabien Potencier <fabien@symfony.com>
  29.  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  30.  */
  31. class AuthenticationProviderManager implements AuthenticationManagerInterface {
  33.     private $providers;
  34.     private $eraseCredentials;
  35.     private $eventDispatcher;
  37.     /**
  38.      * @param iterable|AuthenticationProviderInterface[] $providers        An iterable with AuthenticationProviderInterface instances as values
  39.      * @param bool                                       $eraseCredentials Whether to erase credentials after authentication or not
  40.      *
  41.      * @throws \InvalidArgumentException
  42.      */
  43.     public function __construct(iterable $providers, bool $eraseCredentials = true) {
  44.         if (!$providers) {
  45.             throw new \InvalidArgumentException('You must at least add one authentication provider.');
  46.         }
  48.         $this->providers = $providers;
  49.         $this->eraseCredentials = $eraseCredentials;
  50.     }
  52.     public function setEventDispatcher(EventDispatcherInterface $dispatcher) {
  53.         $this->eventDispatcher = $dispatcher;
  54.     }
  56.     /**
  57.      * {@inheritdoc}
  58.      */
  59.     public function authenticate(TokenInterface $token) {
  60.         $lastException = null;
  61.         $result = null;
  63.         foreach ($this->providers as $provider) {
  64.             if (!$provider instanceof AuthenticationProviderInterface) {
  65.                 throw new \InvalidArgumentException(sprintf('Provider "%s" must implement the AuthenticationProviderInterface.', \get_class($provider)));
  66.             }
  68.             if (!$provider->supports($token)) {
  69.                 continue;
  70.             }
  72.             try {
  73.                 $result = $provider->authenticate($token);
  75.                 if (null !== $result) {
  76.                     break;
  77.                 }
  78.             } catch (AccountStatusException $e) {
  79.                 $lastException = $e;
  81.                 break;
  82.             } catch (AuthenticationException $e) {
  83.                 $lastException = $e;
  84.             }
  85.         }
  87.         if (null !== $result) {
  88.             if (true === $this->eraseCredentials) {
  89.                 $result->eraseCredentials();
  90.             }
  92.             if (null !== $this->eventDispatcher) {
  93.                 $this->eventDispatcher->dispatch(AuthenticationEvents::AUTHENTICATION_SUCCESS, new AuthenticationEvent($result));
  94.             }
  96.             return $result;
  97.         }
  99.         if (null === $lastException) {
  100.             $lastException = new ProviderNotFoundException(sprintf('No Authentication Provider found for token of class "%s".', \get_class($token)));
  101.         }
  103.         if (null !== $this->eventDispatcher) {
  104.             $this->eventDispatcher->dispatch(AuthenticationEvents::AUTHENTICATION_FAILURE, new AuthenticationFailureEvent($token, $lastException));
  105.         }
  107.         $lastException->setToken($token);
  109.         throw $lastException;
  110.     }
  112. }