mod/openid.php

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