vendor/symfony/symfony/src/Symfony/Component/Security/Guard/GuardAuthenticatorHandler.php

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<?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\Guard;

use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Guard\Token\PostAuthenticationGuardToken;
use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
use Symfony\Component\Security\Http\SecurityEvents;

/**
 * A utility class that does much of the *work* during the guard authentication process.
 *
 * By having the logic here instead of the listener, more of the process
 * can be called directly (e.g. for manual authentication) or overridden.
 *
 * @author Ryan Weaver <ryan@knpuniversity.com>
 */
class GuardAuthenticatorHandler
{
    private $tokenStorage;

    private $dispatcher;

    public function __construct(TokenStorageInterface $tokenStorage, EventDispatcherInterface $eventDispatcher = null)
    {
        $this->tokenStorage = $tokenStorage;
        $this->dispatcher = $eventDispatcher;
    }

    /**
     * Authenticates the given token in the system.
     *
     * @param TokenInterface $token
     * @param Request        $request
     */
    public function authenticateWithToken(TokenInterface $token, Request $request)
    {
        $this->tokenStorage->setToken($token);

        if (null !== $this->dispatcher) {
            $loginEvent = new InteractiveLoginEvent($request, $token);
            $this->dispatcher->dispatch(SecurityEvents::INTERACTIVE_LOGIN, $loginEvent);
        }
    }