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File Content: `Firewall.php`

<?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;

use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpKernel\Event\FinishRequestEvent;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Firewall uses a FirewallMap to register security listeners for the given
 * request.
 *
 * It allows for different security strategies within the same application
 * (a Basic authentication for the /api, and a web based authentication for
 * everything else for instance).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Firewall implements EventSubscriberInterface
{
    private $map;
    private $dispatcher;
    private $exceptionListeners;

    /**
     * Constructor.
     *
     * @param FirewallMapInterface     $map        A FirewallMapInterface instance
     * @param EventDispatcherInterface $dispatcher An EventDispatcherInterface instance
     */
    public function __construct(FirewallMapInterface $map, EventDispatcherInterface $dispatcher)
    {
        $this->map = $map;
        $this->dispatcher = $dispatcher;
        $this->exceptionListeners = new \SplObjectStorage();
    }

    /**
     * Handles security.
     *
     * @param GetResponseEvent $event An GetResponseEvent instance
     */
    public function onKernelRequest(GetResponseEvent $event)
    {
        if (!$event->isMasterRequest()) {
            return;
        }

        // register listeners for this firewall
        list($listeners, $exceptionListener) = $this->map->getListeners($event->getRequest());
        if (null !== $exceptionListener) {
            $this->exceptionListeners[$event->getRequest()] = $exceptionListener;
            $exceptionListener->register($this->dispatcher);
        }

        // initiate the listener chain
        foreach ($listeners as $listener) {
            $listener->handle($event);

            if ($event->hasResponse()) {
                break;
            }
        }
    }

    public function onKernelFinishRequest(FinishRequestEvent $event)
    {
        $request = $event->getRequest();

        if (isset($this->exceptionListeners[$request])) {
            $this->exceptionListeners[$request]->unregister($this->dispatcher);
            unset($this->exceptionListeners[$request]);
        }
    }

    /**
     * {@inheritDoc}
     */
    public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::REQUEST => array('onKernelRequest', 8),
            KernelEvents::FINISH_REQUEST => 'onKernelFinishRequest',
        );
    }
}

Name	Size	Permission
Authentication	---	0755
Authorization	---	0755
EntryPoint	---	0755
Event	---	0755
Firewall	---	0755
Logout	---	0755
RememberMe	---	0755
Session	---	0755
AccessMap.php	1527 bytes	0644
AccessMapInterface.php	864 bytes	0644
Firewall.php	2902 bytes	0644
FirewallMap.php	1448 bytes	0644
FirewallMapInterface.php	1006 bytes	0644
HttpUtils.php	6101 bytes	0644
SecurityEvents.php	1016 bytes	0644

File Content: Firewall.php

File Content: `Firewall.php`