3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Module\Security\TwoFactor;
24 use Friendica\BaseModule;
25 use Friendica\Core\Renderer;
26 use Friendica\Core\Session;
28 use PragmaRX\Google2FA\Google2FA;
31 * Page 1: Authenticator code verification
33 * @package Friendica\Module\TwoFactor
35 class Verify extends BaseModule
37 private static $errors = [];
39 public static function post(array $parameters = [])
45 if (($_POST['action'] ?? '') == 'verify') {
46 self::checkFormSecurityTokenRedirectOnError('2fa', 'twofactor_verify');
50 $code = $_POST['verify_code'] ?? '';
52 $valid = (new Google2FA())->verifyKey(DI::pConfig()->get(local_user(), '2fa', 'secret'), $code);
54 // The same code can't be used twice even if it's valid
55 if ($valid && Session::get('2fa') !== $code) {
56 Session::set('2fa', $code);
58 // Resume normal login workflow
59 DI::auth()->setForUser($a, $a->user, true, true);
61 self::$errors[] = DI::l10n()->t('Invalid code, please retry.');
66 public static function content(array $parameters = [])
69 DI::baseUrl()->redirect();
72 // Already authenticated with 2FA token
73 if (Session::get('2fa')) {
74 DI::baseUrl()->redirect();
77 return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [
78 '$form_security_token' => self::getFormSecurityToken('twofactor_verify'),
80 '$title' => DI::l10n()->t('Two-factor authentication'),
81 '$message' => DI::l10n()->t('<p>Open the two-factor authentication app on your device to get an authentication code and verify your identity.</p>'),
82 '$errors_label' => DI::l10n()->tt('Error', 'Errors', count(self::$errors)),
83 '$errors' => self::$errors,
84 '$recovery_message' => DI::l10n()->t('Don’t have your phone? <a href="%s">Enter a two-factor recovery code</a>', '2fa/recovery'),
85 '$verify_code' => ['verify_code', DI::l10n()->t('Please enter a code from your authentication app'), '', '', DI::l10n()->t('Required'), 'autofocus placeholder="000000"', 'tel'],
86 '$verify_label' => DI::l10n()->t('Verify code and complete login'),