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
  73         if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
  74
  75                 // process login request
  76
  77                 $r = q("SELECT * FROM `user`
  78                         WHERE ( `email` = '%s' OR `nickname` = '%s' ) AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
  79                         dbesc(trim($_POST['login-name'])),
  80                         dbesc(trim($_POST['login-name'])),
  81                         dbesc($encrypted));
  82                 if(($r === false) || (! count($r))) {
  83                         notice( t('Login failed.') . EOL );
  84                         goaway($a->get_baseurl());
  85                 }
  86                 $_SESSION['uid'] = $r[0]['uid'];
  87                 $_SESSION['theme'] = $r[0]['theme'];
  88                 $_SESSION['authenticated'] = 1;
  89                 $_SESSION['page_flags'] = $r[0]['page-flags'];
  90                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
  91
  92                 notice( t("Welcome back ") . $r[0]['username'] . EOL);
  93                 $a->user = $r[0];
  94                 if(strlen($a->user['timezone']))
  95                         date_default_timezone_set($a->user['timezone']);
  96
  97                 $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
  98                         intval($_SESSION['uid']));
  99                 if(count($r)) {
 100                         $a->contact = $r[0];
 101                         $a->cid = $r[0]['id'];
 102                         $_SESSION['cid'] = $a->cid;
 103                 }
 104
 105                 header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
 106                 if(($a->module !== 'home') && isset($_SESSION['return_url']))
 107                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 108         }
 109 }
 110
 111 // Returns an array of group id's this contact is a member of.
 112 // This array will only contain group id's related to the uid of this
 113 // DFRN contact. They are *not* neccessarily unique across the entire site.
 114
 115
 116 if(! function_exists('init_groups_visitor')) {
 117 function init_groups_visitor($contact_id) {
 118         $groups = array();
 119         $r = q("SELECT `gid` FROM `group_member`
 120                 WHERE `contact-id` = %d ",
 121                 intval($contact_id)
 122         );
 123         if(count($r)) {
 124                 foreach($r as $rr)
 125                         $groups[] = $rr['gid'];
 126         }
 127         return $groups;
 128 }}
 129
 130