<?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\Bundle\SecurityBundle\Security;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
use Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter;
use Symfony\Component\Security\Core\Exception\LazyResponseException;
use Symfony\Component\Security\Http\AccessMapInterface;
use Symfony\Component\Security\Http\Event\LazyResponseEvent;
use Symfony\Component\Security\Http\Firewall\AccessListener;
use Symfony\Component\Security\Http\Firewall\ExceptionListener;
use Symfony\Component\Security\Http\Firewall\LogoutListener;
/**
* Lazily calls authentication listeners when actually required by the access listener.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class LazyFirewallContext extends FirewallContext
{
private $accessListener;
private $tokenStorage;
private $map;
public function __construct(iterable $listeners, ?ExceptionListener $exceptionListener, ?LogoutListener $logoutListener, ?FirewallConfig $config, AccessListener $accessListener, TokenStorage $tokenStorage, AccessMapInterface $map)
{
parent::__construct($listeners, $exceptionListener, $logoutListener, $config);
$this->accessListener = $accessListener;
$this->tokenStorage = $tokenStorage;
$this->map = $map;
}
public function getListeners(): iterable
{
return [$this];
}
public function __invoke(RequestEvent $event)
{
$this->tokenStorage->setInitializer(function () use ($event) {
$event = new LazyResponseEvent($event);
foreach (parent::getListeners() as $listener) {
$listener($event);
}
});
try {
[$attributes] = $this->map->getPatterns($event->getRequest());
if ($attributes && [AuthenticatedVoter::IS_AUTHENTICATED_ANONYMOUSLY] !== $attributes) {
($this->accessListener)($event);
}
} catch (LazyResponseException $e) {
$event->setResponse($e->getResponse());
}
}
}