src/Module/Security/TwoFactor/Verify.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   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.
  11  *
  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.
  16  *
  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/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\Security\TwoFactor;
  23
  24 use Friendica\App;
  25 use Friendica\BaseModule;
  26 use Friendica\Core\L10n;
  27 use Friendica\Core\PConfig\Capability\IManagePersonalConfigValues;
  28 use Friendica\Core\Renderer;
  29 use Friendica\Core\Session\Capability\IHandleSessions;
  30 use Friendica\Module\Response;
  31 use Friendica\Util\Profiler;
  32 use PragmaRX\Google2FA\Google2FA;
  33 use Friendica\Security\TwoFactor;
  34 use Psr\Log\LoggerInterface;
  35
  36 /**
  37  * Page 1: Authenticator code verification
  38  *
  39  * @package Friendica\Module\TwoFactor
  40  */
  41 class Verify extends BaseModule
  42 {
  43         protected $errors = [];
  44
  45         /** @var IHandleSessions  */
  46         protected $session;
  47         /** @var IManagePersonalConfigValues  */
  48         protected $pConfig;
  49
  50         public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, IManagePersonalConfigValues $pConfig, IHandleSessions $session, array $server, array $parameters = [])
  51         {
  52                 parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
  53
  54                 $this->session = $session;
  55                 $this->pConfig = $pConfig;
  56         }
  57
  58         protected function post(array $request = [])
  59         {
  60                 if (!local_user()) {
  61                         return;
  62                 }
  63
  64                 if (($request['action'] ?? '') === 'verify') {
  65                         self::checkFormSecurityTokenRedirectOnError('2fa', 'twofactor_verify');
  66
  67                         $code = $request['verify_code'] ?? '';
  68
  69                         $valid = (new Google2FA())->verifyKey($this->pConfig->get(local_user(), '2fa', 'secret'), $code);
  70
  71                         // The same code can't be used twice even if it's valid
  72                         if ($valid && $this->session->get('2fa') !== $code) {
  73                                 $this->session->set('2fa', $code);
  74
  75                                 $this->baseUrl->redirect('2fa/trust');
  76                         } else {
  77                                 $this->errors[] = $this->t('Invalid code, please retry.');
  78                         }
  79                 }
  80         }
  81
  82         protected function content(array $request = []): string
  83         {
  84                 if (!local_user()) {
  85                         $this->baseUrl->redirect();
  86                 }
  87
  88                 // Already authenticated with 2FA token
  89                 if ($this->session->get('2fa')) {
  90                         $this->baseUrl->redirect();
  91                 }
  92
  93                 return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [
  94                         '$form_security_token' => self::getFormSecurityToken('twofactor_verify'),
  95
  96                         '$title'            => $this->t('Two-factor authentication'),
  97                         '$message'          => $this->t('<p>Open the two-factor authentication app on your device to get an authentication code and verify your identity.</p>'),
  98                         '$errors_label'     => $this->tt('Error', 'Errors', count($this->errors)),
  99                         '$errors'           => $this->errors,
 100                         '$recovery_message' => $this->t('If you do not have access to your authentication code you can use a <a href="%s">two-factor recovery code</a>.', '2fa/recovery'),
 101                         '$verify_code'      => ['verify_code', $this->t('Please enter a code from your authentication app'), '', '', $this->t('Required'), 'autofocus autocomplete="one-time-code" placeholder="000000" inputmode="numeric" pattern="[0-9]*"'],
 102                         '$verify_label'     => $this->t('Verify code and complete login'),
 103                 ]);
 104         }
 105 }