mod/openid.php

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