<?php

/*
 * This file is part of the Silex framework.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Silex\Tests\Provider\SecurityServiceProviderTest;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Guard\AbstractGuardAuthenticator;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;

/**
 * This class is used to test "guard" authentication with the SecurityServiceProvider.
 */
class TokenAuthenticator extends AbstractGuardAuthenticator
{
    public function getCredentials(Request $request)
    {
        if (!$token = $request->headers->get('X-AUTH-TOKEN')) {
            return;
        }

        list($username, $secret) = explode(':', $token);

        return array(
            'username' => $username,
            'secret' => $secret,
        );
    }

    public function getUser($credentials, UserProviderInterface $userProvider)
    {
        return $userProvider->loadUserByUsername($credentials['username']);
    }

    public function checkCredentials($credentials, UserInterface $user)
    {
        // This is not a safe way of validating a password.
        return $user->getPassword() === $credentials['secret'];
    }

    public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
    {
        return;
    }

    public function onAuthenticationFailure(Request $request, AuthenticationException $exception)
    {
        $data = array(
            'message' => strtr($exception->getMessageKey(), $exception->getMessageData()),
        );

        return new JsonResponse($data, 403);
    }

    public function start(Request $request, AuthenticationException $authException = null)
    {
        $data = array(
            'message' => 'Authentication Required',
        );

        return new JsonResponse($data, 401);
    }

    public function supportsRememberMe()
    {
        return false;
    }
}