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