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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\Authentication;
- use Symfony\Component\HttpFoundation\Request;
- use Symfony\Component\HttpFoundation\RequestStack;
- use Symfony\Component\Security\Core\Exception\AuthenticationException;
- use Symfony\Component\Security\Core\Security;
- /**
- * Extracts Security Errors from Request.
- *
- * @author Boris Vujicic <boris.vujicic@gmail.com>
- */
- class AuthenticationUtils
- {
- private $requestStack;
- public function __construct(RequestStack $requestStack)
- {
- $this->requestStack = $requestStack;
- }
- /**
- * @param bool $clearSession
- *
- * @return AuthenticationException|null
- */
- public function getLastAuthenticationError($clearSession = true)
- {
- $request = $this->getRequest();
- $session = $request->getSession();
- $authenticationException = null;
- if ($request->attributes->has(Security::AUTHENTICATION_ERROR)) {
- $authenticationException = $request->attributes->get(Security::AUTHENTICATION_ERROR);
- } elseif (null !== $session && $session->has(Security::AUTHENTICATION_ERROR)) {
- $authenticationException = $session->get(Security::AUTHENTICATION_ERROR);
- if ($clearSession) {
- $session->remove(Security::AUTHENTICATION_ERROR);
- }
- }
- return $authenticationException;
- }
- /**
- * @return string
- */
- public function getLastUsername()
- {
- $request = $this->getRequest();
- if ($request->attributes->has(Security::LAST_USERNAME)) {
- return $request->attributes->get(Security::LAST_USERNAME);
- }
- $session = $request->getSession();
- return null === $session ? '' : $session->get(Security::LAST_USERNAME);
- }
- /**
- * @return Request
- *
- * @throws \LogicException
- */
- private function getRequest()
- {
- $request = $this->requestStack->getCurrentRequest();
- if (null === $request) {
- throw new \LogicException('Request should exist so it can be processed for error.');
- }
- return $request;
- }
- }
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