Файл: symfony-2.7/src/Symfony/Component/Security/Core/Authorization/AuthorizationChecker.php
Строк: 184
<?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 SymfonyComponentSecurityCoreAuthorization;
use SymfonyComponentSecurityCoreAuthenticationAuthenticationManagerInterface;
use SymfonyComponentSecurityCoreAuthenticationTokenStorageTokenStorageInterface;
use SymfonyComponentSecurityCoreExceptionAuthenticationCredentialsNotFoundException;
/**
* AuthorizationChecker is the main authorization point of the Security component.
*
* It gives access to the token representing the current user authentication.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class AuthorizationChecker implements AuthorizationCheckerInterface
{
private $tokenStorage;
private $accessDecisionManager;
private $authenticationManager;
private $alwaysAuthenticate;
/**
* Constructor.
*
* @param TokenStorageInterface $tokenStorage
* @param AuthenticationManagerInterface $authenticationManager An AuthenticationManager instance
* @param AccessDecisionManagerInterface $accessDecisionManager An AccessDecisionManager instance
* @param bool $alwaysAuthenticate
*/
public function __construct(TokenStorageInterface $tokenStorage, AuthenticationManagerInterface $authenticationManager, AccessDecisionManagerInterface $accessDecisionManager, $alwaysAuthenticate = false)
{
$this->tokenStorage = $tokenStorage;
$this->authenticationManager = $authenticationManager;
$this->accessDecisionManager = $accessDecisionManager;
$this->alwaysAuthenticate = $alwaysAuthenticate;
}
/**
* {@inheritdoc}
*
* @throws AuthenticationCredentialsNotFoundException when the token storage has no authentication token.
*/
final public function isGranted($attributes, $object = null)
{
if (null === ($token = $this->tokenStorage->getToken())) {
throw new AuthenticationCredentialsNotFoundException('The token storage contains no authentication token. One possible reason may be that there is no firewall configured for this URL.');
}
if ($this->alwaysAuthenticate || !$token->isAuthenticated()) {
$this->tokenStorage->setToken($token = $this->authenticationManager->authenticate($token));
}
if (!is_array($attributes)) {
$attributes = array($attributes);
}
return $this->accessDecisionManager->decide($token, $attributes, $object);
}
}