src/Module/TwoFactor/Verify.php

   1 <?php
   2
   3 namespace Friendica\Module\TwoFactor;
   4
   5 use Friendica\BaseModule;
   6 use Friendica\Core\L10n;
   7 use Friendica\Core\PConfig;
   8 use Friendica\Core\Renderer;
   9 use Friendica\Core\Session;
  10 use PragmaRX\Google2FA\Google2FA;
  11
  12 /**
  13  * Page 1: Authenticator code verification
  14  *
  15  * @package Friendica\Module\TwoFactor
  16  */
  17 class Verify extends BaseModule
  18 {
  19         private static $errors = [];
  20
  21         public static function post(array $parameters = [])
  22         {
  23                 if (!local_user()) {
  24                         return;
  25                 }
  26
  27                 if (($_POST['action'] ?? '') == 'verify') {
  28                         self::checkFormSecurityTokenRedirectOnError('2fa', 'twofactor_verify');
  29
  30                         $a = self::getApp();
  31
  32                         $code = $_POST['verify_code'] ?? '';
  33
  34                         $valid = (new Google2FA())->verifyKey(PConfig::get(local_user(), '2fa', 'secret'), $code);
  35
  36                         // The same code can't be used twice even if it's valid
  37                         if ($valid && Session::get('2fa') !== $code) {
  38                                 Session::set('2fa', $code);
  39
  40                                 // Resume normal login workflow
  41                                 Session::setAuthenticatedForUser($a, $a->user, true, true);
  42                         } else {
  43                                 self::$errors[] = L10n::t('Invalid code, please retry.');
  44                         }
  45                 }
  46         }
  47
  48         public static function content(array $parameters = [])
  49         {
  50                 if (!local_user()) {
  51                         self::getApp()->internalRedirect();
  52                 }
  53
  54                 // Already authenticated with 2FA token
  55                 if (Session::get('2fa')) {
  56                         self::getApp()->internalRedirect();
  57                 }
  58
  59                 return Renderer::replaceMacros(Renderer::getMarkupTemplate('twofactor/verify.tpl'), [
  60                         '$form_security_token' => self::getFormSecurityToken('twofactor_verify'),
  61
  62                         '$title'            => L10n::t('Two-factor authentication'),
  63                         '$message'          => L10n::t('<p>Open the two-factor authentication app on your device to get an authentication code and verify your identity.</p>'),
  64                         '$errors_label'     => L10n::tt('Error', 'Errors', count(self::$errors)),
  65                         '$errors'           => self::$errors,
  66                         '$recovery_message' => L10n::t('Don’t have your phone? <a href="%s">Enter a two-factor recovery code</a>', '2fa/recovery'),
  67                         '$verify_code'      => ['verify_code', L10n::t('Please enter a code from your authentication app'), '', '', 'required', 'autofocus placeholder="000000"', 'int'],
  68                         '$verify_label'     => L10n::t('Verify code and complete login'),
  69                 ]);
  70         }
  71 }