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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\HttpKernel\Event\RequestEvent;
use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authorization\AccessDecisionManagerInterface;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Component\Security\Core\Exception\AuthenticationCredentialsNotFoundException;
use Symfony\Component\Security\Http\AccessMapInterface;
/**
* AccessListener enforces access control rules.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final since Symfony 4.3
*/
class AccessListener implements ListenerInterface
{
use LegacyListenerTrait;
private $tokenStorage;
private $accessDecisionManager;
private $map;
private $authManager;
public function __construct(TokenStorageInterface $tokenStorage, AccessDecisionManagerInterface $accessDecisionManager, AccessMapInterface $map, AuthenticationManagerInterface $authManager)
{
$this->tokenStorage = $tokenStorage;
$this->accessDecisionManager = $accessDecisionManager;
$this->map = $map;
$this->authManager = $authManager;
}
/**
* Handles access authorization.
*
* @throws AccessDeniedException
* @throws AuthenticationCredentialsNotFoundException
*/
public function __invoke(RequestEvent $event)
{
if (null === $token = $this->tokenStorage->getToken()) {
throw new AuthenticationCredentialsNotFoundException('A Token was not found in the TokenStorage.');
}
$request = $event->getRequest();
list($attributes) = $this->map->getPatterns($request);
if (null === $attributes) {
return;
}
if (!$token->isAuthenticated()) {
$token = $this->authManager->authenticate($token);
$this->tokenStorage->setToken($token);
}
if (!$this->accessDecisionManager->decide($token, $attributes, $request)) {
$exception = new AccessDeniedException();
$exception->setAttributes($attributes);
$exception->setSubject($request);
throw $exception;
}
}
}
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