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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Security\Http\Firewall;
use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Http\Authentication\SimplePreAuthenticatorInterface;
use Symfony\Component\Security\Core\Authentication\Token\AnonymousToken;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Http\Authentication\AuthenticationFailureHandlerInterface;
use Symfony\Component\Security\Http\Authentication\AuthenticationSuccessHandlerInterface;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Http\SecurityEvents;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
/**
* SimplePreAuthenticationListener implements simple proxying to an authenticator.
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class SimplePreAuthenticationListener implements ListenerInterface
{
private $tokenStorage;
private $authenticationManager;
private $providerKey;
private $simpleAuthenticator;
private $logger;
private $dispatcher;
/**
* Constructor.
*
* @param TokenStorageInterface $tokenStorage A TokenStorageInterface instance
* @param AuthenticationManagerInterface $authenticationManager An AuthenticationManagerInterface instance
* @param string $providerKey
* @param SimplePreAuthenticatorInterface $simpleAuthenticator A SimplePreAuthenticatorInterface instance
* @param LoggerInterface $logger A LoggerInterface instance
* @param EventDispatcherInterface $dispatcher An EventDispatcherInterface instance
*/
public function __construct(TokenStorageInterface $tokenStorage, AuthenticationManagerInterface $authenticationManager, $providerKey, SimplePreAuthenticatorInterface $simpleAuthenticator, LoggerInterface $logger = null, EventDispatcherInterface $dispatcher = null)
{
if (empty($providerKey)) {
throw new \InvalidArgumentException('$providerKey must not be empty.');
}
$this->tokenStorage = $tokenStorage;
$this->authenticationManager = $authenticationManager;
$this->providerKey = $providerKey;
$this->simpleAuthenticator = $simpleAuthenticator;
$this->logger = $logger;
$this->dispatcher = $dispatcher;
}
/**
* Handles basic authentication.
*
* @param GetResponseEvent $event A GetResponseEvent instance
*/
public function handle(GetResponseEvent $event)
{
$request = $event->getRequest();
if (null !== $this->logger) {
$this->logger->info('Attempting SimplePreAuthentication.', array('key' => $this->providerKey, 'authenticator' => get_class($this->simpleAuthenticator)));
}
if (null !== $this->tokenStorage->getToken() && !$this->tokenStorage->getToken() instanceof AnonymousToken) {
return;
}
try {
$token = $this->simpleAuthenticator->createToken($request, $this->providerKey);
// allow null to be returned to skip authentication
if (null === $token) {
return;
}
$token = $this->authenticationManager->authenticate($token);
$this->tokenStorage->setToken($token);
if (null !== $this->dispatcher) {
$loginEvent = new InteractiveLoginEvent($request, $token);
$this->dispatcher->dispatch(SecurityEvents::INTERACTIVE_LOGIN, $loginEvent);
}
} catch (AuthenticationException $e) {
$this->tokenStorage->setToken(null);
if (null !== $this->logger) {
$this->logger->info('SimplePreAuthentication request failed.', array('exception' => $e, 'authenticator' => get_class($this->simpleAuthenticator)));
}
if ($this->simpleAuthenticator instanceof AuthenticationFailureHandlerInterface) {
$response = $this->simpleAuthenticator->onAuthenticationFailure($request, $e);
if ($response instanceof Response) {
$event->setResponse($response);
} elseif (null !== $response) {
throw new \UnexpectedValueException(sprintf('The %s::onAuthenticationFailure method must return null or a Response object', get_class($this->simpleAuthenticator)));
}
}
return;
}
if ($this->simpleAuthenticator instanceof AuthenticationSuccessHandlerInterface) {
$response = $this->simpleAuthenticator->onAuthenticationSuccess($request, $token);
if ($response instanceof Response) {
$event->setResponse($response);
} elseif (null !== $response) {
throw new \UnexpectedValueException(sprintf('The %s::onAuthenticationSuccess method must return null or a Response object', get_class($this->simpleAuthenticator)));
}
}
}
}
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