mod/openid.php

   1 <?php
   2
   3
   4 require_once('library/openid.php');
   5
   6
   7 function openid_content(&$a) {
   8
   9         $noid = get_config('system','no_openid');
  10         if($noid)
  11                 goaway(z_root());
  12
  13         logger('mod_openid ' . print_r($_REQUEST,true), LOGGER_DATA);
  14
  15         if((x($_GET,'openid_mode')) && (x($_SESSION,'openid'))) {
  16
  17                 $openid = new LightOpenID;
  18
  19                 if($openid->validate()) {
  20
  21                         $authid = normalise_openid($_REQUEST['openid_identity']);
  22
  23                         if(! strlen($authid)) {
  24                                 logger( t('OpenID protocol error. No ID returned.') . EOL);
  25                                 goaway(z_root());
  26                         }
  27
  28                         $r = q("SELECT `user`.*, `user`.`pubkey` as `upubkey`, `user`.`prvkey` as `uprvkey`
  29                                 FROM `user` WHERE `openid` = '%s' AND `blocked` = 0
  30                                 AND `account_expired` = 0 AND `verified` = 1 LIMIT 1",
  31                                 dbesc($authid)
  32                         );
  33
  34                         if($r && count($r)) {
  35
  36                                 // successful OpenID login
  37
  38                                 unset($_SESSION['openid']);
  39
  40                                 require_once('include/security.php');
  41                                 authenticate_success($r[0],true,true);
  42
  43                                 // just in case there was no return url set
  44                                 // and we fell through
  45
  46                                 goaway(z_root());
  47                         }
  48
  49                         // Successful OpenID login - but we can't match it to an existing account.
  50                         // New registration?
  51
  52                         if($a->config['register_policy'] == REGISTER_CLOSED) {
  53                                 notice( t('Account not found and OpenID registration is not permitted on this site.') . EOL);
  54                                 goaway(z_root());
  55                         }
  56
  57                         unset($_SESSION['register']);
  58                         $args = '';
  59                         $attr = $openid->getAttributes();
  60                         if(is_array($attr) && count($attr)) {
  61                                 foreach($attr as $k => $v) {
  62                                         if($k === 'namePerson/friendly')
  63                                                 $nick = notags(trim($v));
  64                                         if($k === 'namePerson/first')
  65                                                 $first = notags(trim($v));
  66                                         if($k === 'namePerson')
  67                                                 $args .= '&username=' . notags(trim($v));
  68                                         if($k === 'contact/email')
  69                                                 $args .= '&email=' . notags(trim($v));
  70                                         if($k === 'media/image/aspect11')
  71                                                 $photosq = bin2hex(trim($v));
  72                                         if($k === 'media/image/default')
  73                                                 $photo = bin2hex(trim($v));
  74                                 }
  75                         }
  76                         if($nick)
  77                                 $args .= '&nickname=' . $nick;
  78                         elseif($first)
  79                                 $args .= '&nickname=' . $first;
  80
  81                         if($photosq)
  82                                 $args .= '&photo=' . $photosq;
  83                         elseif($photo)
  84                                 $args .= '&photo=' . $photo;
  85
  86                         $args .= '&openid_url=' . notags(trim($authid));
  87
  88                         goaway($a->get_baseurl() . '/register' . $args);
  89
  90                         // NOTREACHED
  91                 }
  92         }
  93         notice( t('Login failed.') . EOL);
  94         goaway(z_root());
  95         // NOTREACHED
  96 }