mod/openid.php

   1 <?php
   2 /**
   3  * @file mod/openid.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\BaseObject;
   8 use Friendica\App\Authentication;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\L10n;
  11 use Friendica\Core\Logger;
  12 use Friendica\Core\Session;
  13 use Friendica\Database\DBA;
  14 use Friendica\Util\Strings;
  15
  16 function openid_content(App $a) {
  17
  18         if (Config::get('system','no_openid')) {
  19                 $a->internalRedirect();
  20         }
  21
  22         Logger::log('mod_openid ' . print_r($_REQUEST,true), Logger::DATA);
  23
  24         if (!empty($_GET['openid_mode']) && !empty($_SESSION['openid'])) {
  25
  26                 $openid = new LightOpenID($a->getHostName());
  27
  28                 if ($openid->validate()) {
  29                         $authid = $openid->data['openid_identity'];
  30
  31                         if (empty($authid)) {
  32                                 Logger::log(L10n::t('OpenID protocol error. No ID returned.') . EOL);
  33                                 $a->internalRedirect();
  34                         }
  35
  36                         // NOTE: we search both for normalised and non-normalised form of $authid
  37                         //       because the normalization step was removed from setting
  38                         //       mod/settings.php in 8367cad so it might have left mixed
  39                         //       records in the user table
  40                         //
  41                         $condition = ['blocked' => false, 'account_expired' => false, 'account_removed' => false, 'verified' => true,
  42                                 'openid' => [$authid, Strings::normaliseOpenID($authid)]];
  43                         $user  = DBA::selectFirst('user', [], $condition);
  44                         if (DBA::isResult($user)) {
  45
  46                                 // successful OpenID login
  47
  48                                 unset($_SESSION['openid']);
  49
  50                                 /** @var Authentication $authentication */
  51                                 $authentication = BaseObject::getClass(Authentication::class);
  52                                 $authentication->setForUser($a, $user, true, true);
  53
  54                                 // just in case there was no return url set
  55                                 // and we fell through
  56
  57                                 $a->internalRedirect();
  58                         }
  59
  60                         // Successful OpenID login - but we can't match it to an existing account.
  61                         unset($_SESSION['register']);
  62                         Session::set('openid_attributes', $openid->getAttributes());
  63                         Session::set('openid_identity', $authid);
  64
  65                         // Detect the server URL
  66                         $open_id_obj = new LightOpenID($a->getHostName());
  67                         $open_id_obj->identity = $authid;
  68                         Session::set('openid_server', $open_id_obj->discover($open_id_obj->identity));
  69
  70                         if (intval(Config::get('config', 'register_policy')) === \Friendica\Module\Register::CLOSED) {
  71                                 notice(L10n::t('Account not found. Please login to your existing account to add the OpenID to it.'));
  72                         } else {
  73                                 notice(L10n::t('Account not found. Please register a new account or login to your existing account to add the OpenID to it.'));
  74                         }
  75
  76                         $a->internalRedirect('login');
  77                 }
  78         }
  79         notice(L10n::t('Login failed.') . EOL);
  80         $a->internalRedirect();
  81         // NOTREACHED
  82 }