inc/libs/online_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 12/18/2008 *
   4  * ================                             Last change: 12/18/2008 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : online_functions.php                             *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Online functions                                 *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Online-Funktionen                                *
  12  * -------------------------------------------------------------------- *
  13  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * Needs to be in all Files and every File needs "svn propset           *
  18  * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  19  * -------------------------------------------------------------------- *
  20  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  21  * For more information visit: http://www.mxchange.org                  *
  22  *                                                                      *
  23  * This program is free software; you can redistribute it and/or modify *
  24  * it under the terms of the GNU General Public License as published by *
  25  * the Free Software Foundation; either version 2 of the License, or    *
  26  * (at your option) any later version.                                  *
  27  *                                                                      *
  28  * This program is distributed in the hope that it will be useful,      *
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  31  * GNU General Public License for more details.                         *
  32  *                                                                      *
  33  * You should have received a copy of the GNU General Public License    *
  34  * along with this program; if not, write to the Free Software          *
  35  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  36  * MA  02110-1301  USA                                                  *
  37  ************************************************************************/
  38
  39 // Some security stuff...
  40 if (!defined('__SECURITY')) {
  41         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), '/inc') + 4) . '/security.php';
  42         require($INC);
  43 }
  44
  45 // Filter for updates/extends on the online list
  46 function FILTER_UPDATE_ONLINE_LIST () {
  47         // Do not update online list when extension is deactivated
  48         if (!EXT_IS_ACTIVE('online', true)) return;
  49
  50         // Empty session?
  51         if (session_id() == '') {
  52                 // This is invalid here!
  53                 debug_report_bug("Invalid session.");
  54         } // END - if
  55
  56         // Initialize variables
  57         $uid = 0; $rid = 0; $MEM = 'N'; $ADMIN = 'N';
  58
  59         // Valid userid?
  60         if ((isUserIdSet()) && (getUserId() > 0) && (IS_MEMBER())) {
  61                 // Is valid user
  62                 $uid = getUserId();
  63                 $MEM = 'Y';
  64         } // END - if
  65
  66         if (IS_ADMIN()) {
  67                 // Is administrator
  68                 $ADMIN = 'Y';
  69         } // END - if
  70
  71         if (!empty($GLOBALS['refid'])) {
  72                 // Read cookie
  73                 $rid = bigintval($GLOBALS['refid']);
  74         } // END - if
  75
  76         // Now search for the user
  77         $result = SQL_QUERY_ESC("SELECT timestamp FROM `{!_MYSQL_PREFIX!}_online` WHERE sid='%s' LIMIT 1",
  78         array(session_id()), __FUNCTION__, __LINE__);
  79
  80         // Entry found?
  81         if (SQL_NUMROWS($result) == 1) {
  82                 // Then update it
  83                 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_online` SET
  84 `module`='%s',
  85 `action`='%s',
  86 `what`='%s',
  87 userid=%s,
  88 refid=%s,
  89 is_member='%s',
  90 is_admin='%s',
  91 timestamp=UNIX_TIMESTAMP(),
  92 ip='%s'
  93 WHERE sid='%s' LIMIT 1",
  94                 array(
  95                         getModule(),
  96                         getAction(),
  97                         getWhat(),
  98                         $uid,
  99                         $rid,
 100                         $MEM,
 101                         $ADMIN,
 102                         detectRemoteAddr(),
 103                         session_id()
 104                 ), __FUNCTION__, __LINE__);
 105         } else {
 106                 // No entry does exists so we simply add it!
 107                 SQL_QUERY_ESC("INSERT INTO `{!_MYSQL_PREFIX!}_online` (module, action, what, userid, refid, is_member, is_admin, timestamp, sid, ip) VALUES ('%s','%s','%s', %s, %s, '%s','%s', UNIX_TIMESTAMP(), '%s','%s')",
 108                 array(
 109                         getModule(),
 110                         getAction(),
 111                         getWhat(),
 112                         $uid,
 113                         $rid,
 114                         $MEM,
 115                         $ADMIN,
 116                         session_id(),
 117                         detectRemoteAddr()
 118                 ), __FUNCTION__, __LINE__);
 119         }
 120
 121         // Free result
 122         SQL_FREERESULT($result);
 123
 124         // Purge old entries
 125         SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_online` WHERE timestamp <= (UNIX_TIMESTAMP() - %s)",
 126         array(getConfig('online_timeout')), __FUNCTION__, __LINE__);
 127 }
 128
 129 //
 130 ?>