78 lines
2.4 KiB
PHP
78 lines
2.4 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\SecurityBundle\Security;
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use Symfony\Component\HttpKernel\Event\RequestEvent;
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
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use Symfony\Component\Security\Http\Event\LazyResponseEvent;
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use Symfony\Component\Security\Http\Firewall\ExceptionListener;
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use Symfony\Component\Security\Http\Firewall\FirewallListenerInterface;
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use Symfony\Component\Security\Http\Firewall\LogoutListener;
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/**
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* Lazily calls authentication listeners when actually required by the access listener.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class LazyFirewallContext extends FirewallContext
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{
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private $tokenStorage;
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public function __construct(iterable $listeners, ?ExceptionListener $exceptionListener, ?LogoutListener $logoutListener, ?FirewallConfig $config, TokenStorage $tokenStorage)
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{
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parent::__construct($listeners, $exceptionListener, $logoutListener, $config);
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$this->tokenStorage = $tokenStorage;
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}
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public function getListeners(): iterable
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{
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return [$this];
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}
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public function __invoke(RequestEvent $event)
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{
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$listeners = [];
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$request = $event->getRequest();
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$lazy = $request->isMethodCacheable();
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foreach (parent::getListeners() as $listener) {
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if (!$lazy || !$listener instanceof FirewallListenerInterface) {
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$listeners[] = $listener;
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$lazy = $lazy && $listener instanceof FirewallListenerInterface;
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} elseif (false !== $supports = $listener->supports($request)) {
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$listeners[] = [$listener, 'authenticate'];
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$lazy = null === $supports;
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}
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}
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if (!$lazy) {
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foreach ($listeners as $listener) {
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$listener($event);
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if ($event->hasResponse()) {
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return;
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}
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}
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return;
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}
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$this->tokenStorage->setInitializer(function () use ($event, $listeners) {
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$event = new LazyResponseEvent($event);
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foreach ($listeners as $listener) {
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$listener($event);
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}
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});
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}
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}
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