mod/openid.php

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