mod/openid.php

   1 <?php
   2 /**
   3  * @file mod/openid.php
   4  */
   5
   6 use Friendica\App;
   7 use Friendica\Core\Authentication;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\L10n;
  10 use Friendica\Core\Logger;
  11 use Friendica\Database\DBA;
  12 use Friendica\Util\Strings;
  13
  14 function openid_content(App $a) {
  15
  16         $noid = Config::get('system','no_openid');
  17         if($noid)
  18                 $a->internalRedirect();
  19
  20         Logger::log('mod_openid ' . print_r($_REQUEST,true), Logger::DATA);
  21
  22         if(!empty($_GET['openid_mode']) && !empty($_SESSION['openid'])) {
  23
  24                 $openid = new LightOpenID($a->getHostName());
  25
  26                 if($openid->validate()) {
  27
  28                         $authid = $_REQUEST['openid_identity'];
  29
  30                         if(! strlen($authid)) {
  31                                 Logger::log(L10n::t('OpenID protocol error. No ID returned.') . EOL);
  32                                 $a->internalRedirect();
  33                         }
  34
  35                         // NOTE: we search both for normalised and non-normalised form of $authid
  36                         //       because the normalization step was removed from setting
  37                         //       mod/settings.php in 8367cad so it might have left mixed
  38                         //       records in the user table
  39                         //
  40                         $r = q("SELECT *
  41                                 FROM `user`
  42                                 WHERE ( `openid` = '%s' OR `openid` = '%s' )
  43                                 AND `blocked` = 0 AND `account_expired` = 0
  44                                 AND `account_removed` = 0 AND `verified` = 1
  45                                 LIMIT 1",
  46                                 DBA::escape($authid), DBA::escape(Strings::normaliseOpenID($authid))
  47                         );
  48
  49                         if (DBA::isResult($r)) {
  50
  51                                 // successful OpenID login
  52
  53                                 unset($_SESSION['openid']);
  54
  55                                 Authentication::setAuthenticatedSessionForUser($r[0],true,true);
  56
  57                                 // just in case there was no return url set
  58                                 // and we fell through
  59
  60                                 $a->internalRedirect();
  61                         }
  62
  63                         // Successful OpenID login - but we can't match it to an existing account.
  64                         // New registration?
  65
  66                         if (intval(Config::get('config', 'register_policy')) === \Friendica\Module\Register::CLOSED) {
  67                                 notice(L10n::t('Account not found and OpenID registration is not permitted on this site.') . EOL);
  68                                 $a->internalRedirect();
  69                         }
  70
  71                         unset($_SESSION['register']);
  72                         $args = '';
  73                         $attr = $openid->getAttributes();
  74                         if (is_array($attr) && count($attr)) {
  75                                 foreach ($attr as $k => $v) {
  76                                         if ($k === 'namePerson/friendly') {
  77                                                 $nick = Strings::escapeTags(trim($v));
  78                                         }
  79                                         if($k === 'namePerson/first') {
  80                                                 $first = Strings::escapeTags(trim($v));
  81                                         }
  82                                         if($k === 'namePerson') {
  83                                                 $args .= '&username=' . urlencode(Strings::escapeTags(trim($v)));
  84                                         }
  85                                         if ($k === 'contact/email') {
  86                                                 $args .= '&email=' . urlencode(Strings::escapeTags(trim($v)));
  87                                         }
  88                                         if ($k === 'media/image/aspect11') {
  89                                                 $photosq = bin2hex(trim($v));
  90                                         }
  91                                         if ($k === 'media/image/default') {
  92                                                 $photo = bin2hex(trim($v));
  93                                         }
  94                                 }
  95                         }
  96                         if (!empty($nick)) {
  97                                 $args .= '&nickname=' . urlencode($nick);
  98                         }
  99                         elseif (!empty($first)) {
 100                                 $args .= '&nickname=' . urlencode($first);
 101                         }
 102
 103                         if (!empty($photosq)) {
 104                                 $args .= '&photo=' . urlencode($photosq);
 105                         }
 106                         elseif (!empty($photo)) {
 107                                 $args .= '&photo=' . urlencode($photo);
 108                         }
 109
 110                         $args .= '&openid_url=' . urlencode(Strings::escapeTags(trim($authid)));
 111
 112                         $a->internalRedirect('register?' . $args);
 113
 114                         // NOTREACHED
 115                 }
 116         }
 117         notice(L10n::t('Login failed.') . EOL);
 118         $a->internalRedirect();
 119         // NOTREACHED
 120 }