mod/openid.php

   1 <?php
   2 /**
   3  * @file mod/openid.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Core\Authentication;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\L10n;
  10 use Friendica\Core\Logger;
  11 use Friendica\Core\System;
  12 use Friendica\Database\DBA;
  13 use Friendica\Util\Strings;
  14
  15 function openid_content(App $a) {
  16
  17         $noid = Config::get('system','no_openid');
  18         if($noid)
  19                 $a->internalRedirect();
  20
  21         Logger::log('mod_openid ' . print_r($_REQUEST,true), Logger::DATA);
  22
  23         if(!empty($_GET['openid_mode']) && !empty($_SESSION['openid'])) {
  24
  25                 $openid = new LightOpenID($a->getHostName());
  26
  27                 if($openid->validate()) {
  28
  29                         $authid = $_REQUEST['openid_identity'];
  30
  31                         if(! strlen($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                         $r = q("SELECT *
  42                                 FROM `user`
  43                                 WHERE ( `openid` = '%s' OR `openid` = '%s' )
  44                                 AND `blocked` = 0 AND `account_expired` = 0
  45                                 AND `account_removed` = 0 AND `verified` = 1
  46                                 LIMIT 1",
  47                                 DBA::escape($authid), DBA::escape(Strings::normaliseOpenID($authid))
  48                         );
  49
  50                         if (DBA::isResult($r)) {
  51
  52                                 // successful OpenID login
  53
  54                                 unset($_SESSION['openid']);
  55
  56                                 Authentication::setAuthenticatedSessionForUser($r[0],true,true);
  57
  58                                 // just in case there was no return url set
  59                                 // and we fell through
  60
  61                                 $a->internalRedirect();
  62                         }
  63
  64                         // Successful OpenID login - but we can't match it to an existing account.
  65                         // New registration?
  66
  67                         if (intval(Config::get('config', 'register_policy')) === REGISTER_CLOSED) {
  68                                 notice(L10n::t('Account not found and OpenID registration is not permitted on this site.') . EOL);
  69                                 $a->internalRedirect();
  70                         }
  71
  72                         unset($_SESSION['register']);
  73                         $args = '';
  74                         $attr = $openid->getAttributes();
  75                         if (is_array($attr) && count($attr)) {
  76                                 foreach ($attr as $k => $v) {
  77                                         if ($k === 'namePerson/friendly') {
  78                                                 $nick = Strings::escapeTags(trim($v));
  79                                         }
  80                                         if($k === 'namePerson/first') {
  81                                                 $first = Strings::escapeTags(trim($v));
  82                                         }
  83                                         if($k === 'namePerson') {
  84                                                 $args .= '&username=' . urlencode(Strings::escapeTags(trim($v)));
  85                                         }
  86                                         if ($k === 'contact/email') {
  87                                                 $args .= '&email=' . urlencode(Strings::escapeTags(trim($v)));
  88                                         }
  89                                         if ($k === 'media/image/aspect11') {
  90                                                 $photosq = bin2hex(trim($v));
  91                                         }
  92                                         if ($k === 'media/image/default') {
  93                                                 $photo = bin2hex(trim($v));
  94                                         }
  95                                 }
  96                         }
  97                         if ($nick) {
  98                                 $args .= '&nickname=' . urlencode($nick);
  99                         }
 100                         elseif ($first) {
 101                                 $args .= '&nickname=' . urlencode($first);
 102                         }
 103
 104                         if ($photosq) {
 105                                 $args .= '&photo=' . urlencode($photosq);
 106                         }
 107                         elseif ($photo) {
 108                                 $args .= '&photo=' . urlencode($photo);
 109                         }
 110
 111                         $args .= '&openid_url=' . urlencode(Strings::escapeTags(trim($authid)));
 112
 113                         $a->internalRedirect('register?' . $args);
 114
 115                         // NOTREACHED
 116                 }
 117         }
 118         notice(L10n::t('Login failed.') . EOL);
 119         $a->internalRedirect();
 120         // NOTREACHED
 121 }