mod/openid.php

   1 <?php
   2
   3 use Friendica\App;
   4 use Friendica\Core\Config;
   5 use Friendica\Core\System;
   6 use Friendica\Database\DBM;
   7
   8 require_once('library/openid.php');
   9
  10 function openid_content(App $a) {
  11
  12         $noid = Config::get('system','no_openid');
  13         if($noid)
  14                 goaway(System::baseUrl());
  15
  16         logger('mod_openid ' . print_r($_REQUEST,true), LOGGER_DATA);
  17
  18         if((x($_GET,'openid_mode')) && (x($_SESSION,'openid'))) {
  19
  20                 $openid = new LightOpenID;
  21
  22                 if($openid->validate()) {
  23
  24                         $authid = $_REQUEST['openid_identity'];
  25
  26                         if(! strlen($authid)) {
  27                                 logger( t('OpenID protocol error. No ID returned.') . EOL);
  28                                 goaway(System::baseUrl());
  29                         }
  30
  31                         // NOTE: we search both for normalised and non-normalised form of $authid
  32                         //       because the normalization step was removed from setting
  33                         //       mod/settings.php in 8367cad so it might have left mixed
  34                         //       records in the user table
  35                         //
  36                         $r = q("SELECT *
  37                                 FROM `user`
  38                                 WHERE ( `openid` = '%s' OR `openid` = '%s' )
  39                                 AND `blocked` = 0 AND `account_expired` = 0
  40                                 AND `account_removed` = 0 AND `verified` = 1
  41                                 LIMIT 1",
  42                                 dbesc($authid), dbesc(normalise_openid($authid))
  43                         );
  44
  45                         if (DBM::is_result($r)) {
  46
  47                                 // successful OpenID login
  48
  49                                 unset($_SESSION['openid']);
  50
  51                                 require_once('include/security.php');
  52                                 authenticate_success($r[0],true,true);
  53
  54                                 // just in case there was no return url set
  55                                 // and we fell through
  56
  57                                 goaway(System::baseUrl());
  58                         }
  59
  60                         // Successful OpenID login - but we can't match it to an existing account.
  61                         // New registration?
  62
  63                         if ($a->config['register_policy'] == REGISTER_CLOSED) {
  64                                 notice( t('Account not found and OpenID registration is not permitted on this site.') . EOL);
  65                                 goaway(System::baseUrl());
  66                         }
  67
  68                         unset($_SESSION['register']);
  69                         $args = '';
  70                         $attr = $openid->getAttributes();
  71                         if (is_array($attr) && count($attr)) {
  72                                 foreach ($attr as $k => $v) {
  73                                         if ($k === 'namePerson/friendly') {
  74                                                 $nick = notags(trim($v));
  75                                         }
  76                                         if($k === 'namePerson/first') {
  77                                                 $first = notags(trim($v));
  78                                         }
  79                                         if($k === 'namePerson') {
  80                                                 $args .= '&username=' . urlencode(notags(trim($v)));
  81                                         }
  82                                         if ($k === 'contact/email') {
  83                                                 $args .= '&email=' . urlencode(notags(trim($v)));
  84                                         }
  85                                         if ($k === 'media/image/aspect11') {
  86                                                 $photosq = bin2hex(trim($v));
  87                                         }
  88                                         if ($k === 'media/image/default') {
  89                                                 $photo = bin2hex(trim($v));
  90                                         }
  91                                 }
  92                         }
  93                         if ($nick) {
  94                                 $args .= '&nickname=' . urlencode($nick);
  95                         }
  96                         elseif ($first) {
  97                                 $args .= '&nickname=' . urlencode($first);
  98                         }
  99
 100                         if ($photosq) {
 101                                 $args .= '&photo=' . urlencode($photosq);
 102                         }
 103                         elseif ($photo) {
 104                                 $args .= '&photo=' . urlencode($photo);
 105                         }
 106
 107                         $args .= '&openid_url=' . urlencode(notags(trim($authid)));
 108
 109                         goaway(System::baseUrl() . '/register?' . $args);
 110
 111                         // NOTREACHED
 112                 }
 113         }
 114         notice( t('Login failed.') . EOL);
 115         goaway(System::baseUrl());
 116         // NOTREACHED
 117 }