/usr/share/php/Symfony/Component/Security/Core/Authentication/Provider/AnonymousAuthenticationProvider.php is in php-symfony-security 2.7.10-0ubuntu2.
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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.
*/
namespace Symfony\Component\Security\Core\Authentication\Provider;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\BadCredentialsException;
use Symfony\Component\Security\Core\Authentication\Token\AnonymousToken;
/**
* AnonymousAuthenticationProvider validates AnonymousToken instances.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class AnonymousAuthenticationProvider implements AuthenticationProviderInterface
{
private $key;
/**
* Constructor.
*
* @param string $key The key shared with the authentication token
*/
public function __construct($key)
{
$this->key = $key;
}
/**
* {@inheritdoc}
*/
public function authenticate(TokenInterface $token)
{
if (!$this->supports($token)) {
return;
}
if ($this->key !== $token->getKey()) {
throw new BadCredentialsException('The Token does not contain the expected key.');
}
return $token;
}
/**
* {@inheritdoc}
*/
public function supports(TokenInterface $token)
{
return $token instanceof AnonymousToken;
}
}
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