include/auth.php

   1 <?php
   2
   3 // login/logout
   4
   5 if((x($_SESSION,'authenticated')) && (! ($_POST['auth-params'] === 'login'))) {
   6
   7         if($_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($r)) {
  31                         goaway($a->get_baseurl());
  32                 }
  33
  34                 // initialise user environment
  35
  36                 $a->user = $r[0];
  37                 $_SESSION['theme'] = $a->user['theme'];
  38                 $_SESSION['page_flags'] = $a->user['page-flags'];
  39                 if(strlen($a->user['timezone']))
  40                         date_default_timezone_set($a->user['timezone']);
  41
  42                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
  43
  44                 $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
  45                         intval($_SESSION['uid']));
  46                 if(count($r)) {
  47                         $a->contact = $r[0];
  48                         $a->cid = $r[0]['id'];
  49                         $_SESSION['cid'] = $a->cid;
  50
  51                 }
  52         }
  53 }
  54 else {
  55
  56         unset($_SESSION['authenticated']);
  57         unset($_SESSION['uid']);
  58         unset($_SESSION['visitor_id']);
  59         unset($_SESSION['administrator']);
  60         unset($_SESSION['cid']);
  61         unset($_SESSION['theme']);
  62         unset($_SESSION['my_url']);
  63         unset($_SESSION['page_flags']);
  64
  65         $encrypted = hash('whirlpool',trim($_POST['password']));
  66
  67         if((x($_POST,'auth-params')) && $_POST['auth-params'] === 'login') {
  68
  69                 // process login request
  70
  71                 $r = q("SELECT * FROM `user`
  72                         WHERE ( `email` = '%s' OR `nickname` = '%s' ) AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
  73                         dbesc(trim($_POST['login-name'])),
  74                         dbesc(trim($_POST['login-name'])),
  75                         dbesc($encrypted));
  76                 if(($r === false) || (! count($r))) {
  77                         notice( t('Login failed.') . EOL );
  78                         goaway($a->get_baseurl());
  79                 }
  80                 $_SESSION['uid'] = $r[0]['uid'];
  81                 $_SESSION['theme'] = $r[0]['theme'];
  82                 $_SESSION['authenticated'] = 1;
  83                 $_SESSION['page_flags'] = $r[0]['page-flags'];
  84                 $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
  85
  86                 notice( t("Welcome back ") . $r[0]['username'] . EOL);
  87                 $a->user = $r[0];
  88                 if(strlen($a->user['timezone']))
  89                         date_default_timezone_set($a->user['timezone']);
  90
  91                 $r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
  92                         intval($_SESSION['uid']));
  93                 if(count($r)) {
  94                         $a->cid = $r[0]['id'];
  95                         $_SESSION['cid'] = $a->cid;
  96                 }
  97                 if(($a->module !== 'home') && isset($_SESSION['return_url']))
  98                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
  99         }
 100 }
 101
 102 // Returns an array of group id's this contact is a member of.
 103 // This array will only contain group id's related to the uid of this
 104 // DFRN contact. They are *not* neccessarily unique across the entire site.
 105
 106
 107 if(! function_exists('init_groups_visitor')) {
 108 function init_groups_visitor($contact_id) {
 109         $groups = array();
 110         $r = q("SELECT `gid` FROM `group_member`
 111                 WHERE `contact-id` = %d ",
 112                 intval($contact_id)
 113         );
 114         if(count($r)) {
 115                 foreach($r as $rr)
 116                         $groups[] = $rr['gid'];
 117         }
 118         return $groups;
 119 }}
 120
 121