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[SecurityBundle] error helper added #11147
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87
src/Symfony/Component/Security/Http/Authentication/AuthenticationUtils.php
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<?php | ||
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/* | ||
* 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. | ||
*/ | ||
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namespace Symfony\Component\Security\Http\Authentication; | ||
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use Symfony\Component\HttpFoundation\RequestStack; | ||
use Symfony\Component\Security\Core\Exception\AuthenticationException; | ||
use Symfony\Component\Security\Core\SecurityContextInterface; | ||
use Symfony\Component\HttpFoundation\Request; | ||
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/** | ||
* Extracts Security Errors from Request | ||
* | ||
* @author Boris Vujicic <boris.vujicic@gmail.com> | ||
*/ | ||
class AuthenticationUtils | ||
{ | ||
/** | ||
* @var RequestStack | ||
*/ | ||
private $requestStack; | ||
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/** | ||
* @param RequestStack $requestStack | ||
*/ | ||
public function __construct(RequestStack $requestStack) | ||
{ | ||
$this->requestStack = $requestStack; | ||
} | ||
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/** | ||
* @param bool $clearSession | ||
* @return null|AuthenticationException | ||
*/ | ||
public function getLastAuthenticationError($clearSession = true) | ||
{ | ||
$request = $this->getRequest(); | ||
$session = $request->getSession(); | ||
$authenticationException = null; | ||
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if ($request->attributes->has(SecurityContextInterface::AUTHENTICATION_ERROR)) { | ||
$authenticationException = $request->attributes->get(SecurityContextInterface::AUTHENTICATION_ERROR); | ||
} elseif ($session !== null && $session->has(SecurityContextInterface::AUTHENTICATION_ERROR)) { | ||
$authenticationException = $session->get(SecurityContextInterface::AUTHENTICATION_ERROR); | ||
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if ($clearSession) { | ||
$session->remove(SecurityContextInterface::AUTHENTICATION_ERROR); | ||
} | ||
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} | ||
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return $authenticationException; | ||
} | ||
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/** | ||
* @return string | ||
*/ | ||
public function getLastUsername() | ||
{ | ||
$session = $this->getRequest()->getSession(); | ||
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return null === $session ? '' : $session->get(SecurityContextInterface::LAST_USERNAME); | ||
} | ||
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/** | ||
* @return Request | ||
* @throws \LogicException | ||
*/ | ||
private function getRequest() | ||
{ | ||
$request = $this->requestStack->getCurrentRequest(); | ||
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if (null === $request) { | ||
throw new \LogicException('Request should exist so it can be processed for error.'); | ||
} | ||
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return $request; | ||
} | ||
} |