include/auth.php

   1 <?php
   2
   3 // login/logout
   4
   5 if((isset($_SESSION)) && (x($_SESSION,'authenticated')) && ((! (x($_POST,'auth-params'))) || ($_POST['auth-params'] !== 'login'))) {
   6
   7         if(((x($_POST,'auth-params')) && ($_POST['auth-params'] === 'logout')) || ($a->module === 'logout')) {
   8
   9                 // process logout request
  10
  11                 unset($_SESSION['authenticated']);
  12                 unset($_SESSION['uid']);
  13                 unset($_SESSION['visitor_id']);
  14                 unset($_SESSION['administrator']);
  15                 unset($_SESSION['cid']);
  16                 unset($_SESSION['theme']);
  17                 unset($_SESSION['page_flags']);
  18                 notice( t('Logged out.') . EOL);
  19                 goaway($a->get_baseurl());
  20         }
  21
  22         if(x($_SESSION,'uid')) {
  23
  24                 // already logged in user returning
  25
  26                 $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
  27                         intval($_SESSION['uid'])
  28                 );
  29
  30                 if(! count($r)) {
  31                         unset($_SESSION['authenticated']);
  32                         unset($_SESSION['uid']);
  33                         goaway($a->get_baseurl());
  34                 }
  35
  36                 // initialise user environment
  37
  38                 $a->user = $r[0];
  39                 $_SESSION['theme'] = $a->user['theme'];
  40                 $_SESSION['page_flags'] = $a->user['page-flags'];
  41                 if(strlen($a->user['timezone']))
  42                         date_default_timezone_set($a->user['timezone']);
  43
  44                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
  45
  46                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  47                         intval($_SESSION['uid']));
  48                 if(count($r)) {
  49                         $a->contact = $r[0];
  50                         $a->cid = $r[0]['id'];
  51                         $_SESSION['cid'] = $a->cid;
  52
  53                 }
  54                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
  55         }
  56 }
  57 else {
  58
  59         if(isset($_SESSION)) {
  60                 unset($_SESSION['authenticated']);
  61                 unset($_SESSION['uid']);
  62                 unset($_SESSION['visitor_id']);
  63                 unset($_SESSION['administrator']);
  64                 unset($_SESSION['cid']);
  65                 unset($_SESSION['theme']);
  66                 unset($_SESSION['my_url']);
  67                 unset($_SESSION['page_flags']);
  68         }
  69
  70         if(x($_POST,'password'))
  71                 $encrypted = hash('whirlpool',trim($_POST['password']));
  72         else {
  73                 if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
  74                         require_once('library/openid.php');
  75                         $openid = new LightOpenID;
  76                         $openid->identity = trim($_POST['login-name']);
  77                         $a = get_app();
  78                         $openid->returnUrl = $a->get_baseurl() . '/openid';
  79                         goaway($openid->authUrl());
  80                 }
  81         }
  82         if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
  83
  84                 // process login request
  85
  86                 $r = q("SELECT * FROM `user`
  87                         WHERE ( `email` = '%s' OR `nickname` = '%s' ) AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
  88                         dbesc(trim($_POST['login-name'])),
  89                         dbesc(trim($_POST['login-name'])),
  90                         dbesc($encrypted));
  91                 if(($r === false) || (! count($r))) {
  92                         notice( t('Login failed.') . EOL );
  93                         goaway($a->get_baseurl());
  94                 }
  95                 $_SESSION['uid'] = $r[0]['uid'];
  96                 $_SESSION['theme'] = $r[0]['theme'];
  97                 $_SESSION['authenticated'] = 1;
  98                 $_SESSION['page_flags'] = $r[0]['page-flags'];
  99                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
 100
 101                 notice( t("Welcome back ") . $r[0]['username'] . EOL);
 102                 $a->user = $r[0];
 103                 if(strlen($a->user['timezone']))
 104                         date_default_timezone_set($a->user['timezone']);
 105
 106                 $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
 107                         intval($_SESSION['uid']));
 108                 if(count($r)) {
 109                         $a->contact = $r[0];
 110                         $a->cid = $r[0]['id'];
 111                         $_SESSION['cid'] = $a->cid;
 112                 }
 113
 114                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
 115                 if(($a->module !== 'home') && isset($_SESSION['return_url']))
 116                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 117         }
 118 }
 119
 120 // Returns an array of group id's this contact is a member of.
 121 // This array will only contain group id's related to the uid of this
 122 // DFRN contact. They are *not* neccessarily unique across the entire site.
 123
 124
 125 if(! function_exists('init_groups_visitor')) {
 126 function init_groups_visitor($contact_id) {
 127         $groups = array();
 128         $r = q("SELECT `gid` FROM `group_member`
 129                 WHERE `contact-id` = %d ",
 130                 intval($contact_id)
 131         );
 132         if(count($r)) {
 133                 foreach($r as $rr)
 134                         $groups[] = $rr['gid'];
 135         }
 136         return $groups;
 137 }}
 138
 139