<?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 Psr\Container\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Http\FirewallMapInterface;
/**
* This is a lazy-loading firewall map implementation.
*
* Listeners will only be initialized if we really need them.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class FirewallMap implements FirewallMapInterface
{
private $container;
private $map;
public function __construct(ContainerInterface $container, iterable $map)
{
$this->container = $container;
$this->map = $map;
}
public function getListeners(Request $request)
{
$context = $this->getFirewallContext($request);
if (null === $context) {
return [[], null, null];
}
return [$context->getListeners(), $context->getExceptionListener(), $context->getLogoutListener()];
}
/**
* @return FirewallConfig|null
*/
public function getFirewallConfig(Request $request)
{
$context = $this->getFirewallContext($request);
if (null === $context) {
return null;
}
return $context->getConfig();
}
private function getFirewallContext(Request $request): ?FirewallContext
{
if ($request->attributes->has('_firewall_context')) {
$storedContextId = $request->attributes->get('_firewall_context');
foreach ($this->map as $contextId => $requestMatcher) {
if ($contextId === $storedContextId) {
return $this->container->get($contextId);
}
}
$request->attributes->remove('_firewall_context');
}
foreach ($this->map as $contextId => $requestMatcher) {
if (null === $requestMatcher || $requestMatcher->matches($request)) {
$request->attributes->set('_firewall_context', $contextId);
return $this->container->get($contextId);
}
}
return null;
}
}