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- <?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 function App\Core\I18n\_m;
- 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\Authenticator\Passport\Badge\CsrfTokenBadge;
- use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
- use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
- use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
- use Symfony\Component\Security\Http\Authenticator\Passport\PassportInterface;
- use Symfony\Component\Security\Http\Util\TargetPathTrait;
- /**
- * 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;
- }
- public function supports(Request $request): bool
- {
- return (self::LOGIN_ROUTE === $request->attributes->get('_route') && $request->isMethod('POST'))
- || ('oauth2_authorize' === $request->attributes->get('_route'));
- }
- /**
- * @return array<string, string>
- */
- public function getCredentials(Request $request): array
- {
- return [
- 'nickname_or_email' => $request->request->get('_username'),
- '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> $credentials result of self::getCredentials
- *
- * @throws NoSuchActorException
- * @throws ServerException
- *
- * @return ?LocalUser
- */
- public function getUser($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 $user
- *
- * @throws ServerException
- */
- public function checkCredentials($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,
- );
- // TODO: Fix the Open Redirect security flaw here.
- $targetPath = $request->query->get('returnUrl');
- if ($targetPath ??= $this->getTargetPath($request->getSession(), $providerKey)) {
- return new RedirectResponse($targetPath);
- }
- return new RedirectResponse(Router::url('root'));
- }
- public function authenticate(Request $request): PassportInterface
- {
- $nickname = $request->request->get('nickname', '');
- $request->getSession()->set(Security::LAST_USERNAME, $nickname);
- return new Passport(
- new UserBadge($nickname),
- new PasswordCredentials($request->request->get('password', '')),
- [
- new CsrfTokenBadge('authenticate', $request->request->get('_csrf_token')),
- ],
- );
- }
- protected function getLoginUrl(int $type = Router::ABSOLUTE_PATH): string
- {
- return Router::url(self::LOGIN_ROUTE, type: $type);
- }
- }
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