Symfony Profiler

<?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\Http\Event\LazyResponseEvent;
use Symfony\Component\Security\Http\Firewall\ExceptionListener;
use Symfony\Component\Security\Http\Firewall\FirewallListenerInterface;
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 $tokenStorage;
public function __construct(iterable $listeners, ?ExceptionListener $exceptionListener, ?LogoutListener $logoutListener, ?FirewallConfig $config, TokenStorage $tokenStorage)
{
parent::__construct($listeners, $exceptionListener, $logoutListener, $config);
$this->tokenStorage = $tokenStorage;
}
public function getListeners(): iterable
{
return [$this];
}
public function __invoke(RequestEvent $event)
{
$listeners = [];
$request = $event->getRequest();
$lazy = $request->isMethodCacheable();
foreach (parent::getListeners() as $listener) {
if (!$lazy || !$listener instanceof FirewallListenerInterface) {
$listeners[] = $listener;
$lazy = $lazy && $listener instanceof FirewallListenerInterface;
} elseif (false !== $supports = $listener->supports($request)) {
$listeners[] = [$listener, 'authenticate'];
$lazy = null === $supports;
}
}
if (!$lazy) {
foreach ($listeners as $listener) {
$listener($event);
if ($event->hasResponse()) {
return;
}
}
return;
}
$this->tokenStorage->setInitializer(function () use ($event, $listeners) {
$event = new LazyResponseEvent($event);
foreach ($listeners as $listener) {
$listener($event);
}
});
}
}

vendor/symfony/security-bundle/Security/LazyFirewallContext.php line 73