mod/openid.php

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