gnu-social/src/Security/Authenticator.php

169 řádky
5.8 KiB
PHP

<?php
declare(strict_types=1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace App\Security;
use App\Core\Router\Router;
use App\Entity\LocalUser;
use App\Util\Common;
use App\Util\Exception\NoSuchActorException;
use App\Util\Exception\NotFoundException;
use App\Util\Exception\ServerException;
use App\Util\Nickname;
use Stringable;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Csrf\CsrfToken;
use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
use Symfony\Component\Security\Guard\Authenticator\AbstractFormLoginAuthenticator;
use Symfony\Component\Security\Guard\AuthenticatorInterface;
use Symfony\Component\Security\Http\Util\TargetPathTrait;
use function App\Core\I18n\_m;
/**
* User authenticator
*
* @category Authentication
* @package GNUsocial
*
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
class Authenticator extends AbstractFormLoginAuthenticator implements AuthenticatorInterface
{
use TargetPathTrait;
public const LOGIN_ROUTE = 'security_login';
private CsrfTokenManagerInterface $csrfTokenManager;
public function __construct(CsrfTokenManagerInterface $csrfTokenManager)
{
$this->csrfTokenManager = $csrfTokenManager;
}
/**
* @param Request $request
* @return bool
*/
public function supports(Request $request): bool
{
return self::LOGIN_ROUTE === $request->attributes->get('_route') && $request->isMethod('POST');
}
/**
* @return array<string, string>
*/
public function getCredentials(Request $request): array
{
return [
'nickname_or_email' => $request->request->get('nickname_or_email'),
'password' => $request->request->get('password'),
'csrf_token' => $request->request->get('_csrf_token'),
];
}
/**
* Get a user given credentials and a CSRF token
*
* @param array<string, string> $credentials result of self::getCredentials
* @param UserProviderInterface $userProvider
* @return ?LocalUser
* @throws NoSuchActorException
* @throws ServerException
*/
public function getUser($credentials, UserProviderInterface $userProvider): ?LocalUser
{
$token = new CsrfToken('authenticate', $credentials['csrf_token']);
if (!$this->csrfTokenManager->isTokenValid($token)) {
throw new InvalidCsrfTokenException();
}
$user = null;
try {
if (Common::isValidEmail($credentials['nickname_or_email'])) {
$user = LocalUser::getByEmail($credentials['nickname_or_email']);
} elseif (Nickname::isValid($credentials['nickname_or_email'])) {
$user = LocalUser::getByNickname($credentials['nickname_or_email']);
}
if (is_null($user)) {
throw new NoSuchActorException('No such local user.');
}
$credentials['nickname'] = $user->getNickname();
} catch (NoSuchActorException|NotFoundException) {
throw new CustomUserMessageAuthenticationException(
_m('Invalid login credentials.'),
);
}
return $user;
}
/**
* @param array<string, string> $credentials result of self::getCredentials
* @param LocalUser $user
* @return bool
* @throws ServerException
*/
public function checkCredentials($credentials, $user): bool
{
if (!$user->checkPassword($credentials['password'])) {
throw new CustomUserMessageAuthenticationException(_m('Invalid login credentials.'));
} else {
return true;
}
}
/**
* After a successful login, redirect user to the path saved in their session or to the root of the website
*/
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey): RedirectResponse
{
$nickname = $token->getUser();
if ($nickname instanceof Stringable) {
$nickname = (string)$nickname;
} elseif ($nickname instanceof UserInterface) {
$nickname = $nickname->getUserIdentifier();
}
$request->getSession()->set(
Security::LAST_USERNAME,
$nickname,
);
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}
return new RedirectResponse(Router::url('main_all'));
}
protected function getLoginUrl(): string
{
return Router::url(self::LOGIN_ROUTE);
}
}