src/Module/Settings/TwoFactor/Verify.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, 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\Settings\TwoFactor;
  23
  24 use BaconQrCode\Renderer\Image\SvgImageBackEnd;
  25 use BaconQrCode\Renderer\ImageRenderer;
  26 use BaconQrCode\Renderer\RendererStyle\RendererStyle;
  27 use BaconQrCode\Writer;
  28 use Friendica\Core\Renderer;
  29 use Friendica\Core\Session;
  30 use Friendica\DI;
  31 use Friendica\Module\BaseSettings;
  32 use Friendica\Module\Security\Login;
  33 use PragmaRX\Google2FA\Google2FA;
  34
  35 /**
  36  * // Page 4: 2FA enabled but not verified, QR code and verification
  37  *
  38  * @package Friendica\Module\TwoFactor\Settings
  39  */
  40 class Verify extends BaseSettings
  41 {
  42         public static function init(array $parameters = [])
  43         {
  44                 if (!local_user()) {
  45                         return;
  46                 }
  47
  48                 $secret = DI::pConfig()->get(local_user(), '2fa', 'secret');
  49                 $verified = DI::pConfig()->get(local_user(), '2fa', 'verified');
  50
  51                 if ($secret && $verified) {
  52                         DI::baseUrl()->redirect('settings/2fa');
  53                 }
  54
  55                 if (!self::checkFormSecurityToken('settings_2fa_password', 't')) {
  56                         notice(DI::l10n()->t('Please enter your password to access this page.'));
  57                         DI::baseUrl()->redirect('settings/2fa');
  58                 }
  59         }
  60
  61         public static function post(array $parameters = [])
  62         {
  63                 if (!local_user()) {
  64                         return;
  65                 }
  66
  67                 if (($_POST['action'] ?? '') == 'verify') {
  68                         self::checkFormSecurityTokenRedirectOnError('settings/2fa/verify', 'settings_2fa_verify');
  69
  70                         $google2fa = new Google2FA();
  71
  72                         $valid = $google2fa->verifyKey(DI::pConfig()->get(local_user(), '2fa', 'secret'), $_POST['verify_code'] ?? '');
  73
  74                         if ($valid) {
  75                                 DI::pConfig()->set(local_user(), '2fa', 'verified', true);
  76                                 Session::set('2fa', true);
  77
  78                                 info(DI::l10n()->t('Two-factor authentication successfully activated.'));
  79
  80                                 DI::baseUrl()->redirect('settings/2fa');
  81                         } else {
  82                                 notice(DI::l10n()->t('Invalid code, please retry.'));
  83                         }
  84                 }
  85         }
  86
  87         public static function content(array $parameters = [])
  88         {
  89                 if (!local_user()) {
  90                         return Login::form('settings/2fa/verify');
  91                 }
  92
  93                 parent::content($parameters);
  94
  95                 $company = 'Friendica';
  96                 $holder = Session::get('my_address');
  97                 $secret = DI::pConfig()->get(local_user(), '2fa', 'secret');
  98
  99                 $otpauthUrl = (new Google2FA())->getQRCodeUrl($company, $holder, $secret);
 100
 101                 $renderer = (new \BaconQrCode\Renderer\Image\Svg())
 102                         ->setHeight(256)
 103                         ->setWidth(256);
 104
 105                 $writer = new Writer($renderer);
 106
 107                 $qrcode_image = str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $writer->writeString($otpauthUrl));
 108
 109                 $shortOtpauthUrl = explode('?', $otpauthUrl)[0];
 110
 111                 $manual_message = DI::l10n()->t('<p>Or you can submit the authentication settings manually:</p>
 112 <dl>
 113         <dt>Issuer</dt>
 114         <dd>%s</dd>
 115         <dt>Account Name</dt>
 116         <dd>%s</dd>
 117         <dt>Secret Key</dt>
 118         <dd>%s</dd>
 119         <dt>Type</dt>
 120         <dd>Time-based</dd>
 121         <dt>Number of digits</dt>
 122         <dd>6</dd>
 123         <dt>Hashing algorithm</dt>
 124         <dd>SHA-1</dd>
 125 </dl>', $company, $holder, $secret);
 126
 127                 return Renderer::replaceMacros(Renderer::getMarkupTemplate('settings/twofactor/verify.tpl'), [
 128                         '$form_security_token'     => self::getFormSecurityToken('settings_2fa_verify'),
 129                         '$password_security_token' => self::getFormSecurityToken('settings_2fa_password'),
 130
 131                         '$title'              => DI::l10n()->t('Two-factor code verification'),
 132                         '$help_label'         => DI::l10n()->t('Help'),
 133                         '$message'            => DI::l10n()->t('<p>Please scan this QR Code with your authenticator app and submit the provided code.</p>'),
 134                         '$qrcode_image'       => $qrcode_image,
 135                         '$qrcode_url_message' => DI::l10n()->t('<p>Or you can open the following URL in your mobile device:</p><p><a href="%s">%s</a></p>', $otpauthUrl, $shortOtpauthUrl),
 136                         '$manual_message'     => $manual_message,
 137                         '$company'            => $company,
 138                         '$holder'             => $holder,
 139                         '$secret'             => $secret,
 140
 141                         '$verify_code'  => ['verify_code', DI::l10n()->t('Please enter a code from your authentication app'), '', '', DI::l10n()->t('Required'), 'autofocus autocomplete="off" placeholder="000000"'],
 142                         '$verify_label' => DI::l10n()->t('Verify code and enable two-factor authentication'),
 143                 ]);
 144         }
 145 }