inc/libs/removeip_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 10/01/2008 *
   4  * ===============                              Last change: 10/01/2008 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : removeip_functions.php                           *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Special functions for removeip extension         *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Spezielle Funktion fuer removeip-Erweiterung     *
  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 // "Getter" for anonymous remote IP number
  46 function GET_ANONYMOUS_REMOTE_ADDR ($remoteAddr) {
  47         // Is config enabled?
  48         if (getConfig('removeip_anon_ip') == 'Y') {
  49                 // Switch way do we like?
  50                 switch (getConfig('anonymous_ip')) {
  51                         case "127.0.0.1": // mod_removeip style
  52                         case "0.0.0.0": // Some people may prefer this...
  53                                 $remoteAddr = getConfig('anonymous_ip');
  54                                 break;
  55
  56                         case "RANDOM": // Pseudo-random IP number
  57                                 $remoteAddr = mt_rand(1,254).".".mt_rand(0,254).".".mt_rand(0,254).".".mt_rand(1,254);
  58                                 break;
  59                 } // END - switch
  60         } // END - if
  61
  62         // Return it
  63         return $remoteAddr;
  64 }
  65 // "Getter" for anonymous remote hostname
  66 function GET_ANONYMOUS_REMOTE_HOST ($remoteHost) {
  67         // Is config enabled?
  68         if (getConfig('removeip_anon_host') == 'Y') {
  69                 // Set anon hostname
  70                 $remoteHost = "localhost.localnet";
  71         } // END - if
  72
  73         // Return it
  74         return $remoteHost;
  75 }
  76 // "Getter" for anonymous user agent
  77 function GET_ANONYMOUS_USER_AGENT ($userAgent) {
  78         // Is config enabled?
  79         if (getConfig('removeip_anon_ua') == 'Y') {
  80                 // Set anon user agent
  81                 $userAgent = "-";
  82         } // END - if
  83
  84         // Return it
  85         return $userAgent;
  86 }
  87 // "Getter" for anonymous referer
  88 function GET_ANONYMOUS_REFERER ($referer) {
  89         // Is config enabled?
  90         if (getConfig('removeip_anon_ref') == 'Y') {
  91                 // Set anon user agent
  92                 $referer = "-";
  93         } // END - if
  94
  95         // Return it
  96         return $referer;
  97 }
  98 // Adds informations about anonymity/privacy to the menu
  99 function REMOVEIP_ADD_INFOS () {
 100         // "Base-privacy" is by default low (we add more later)
 101         $anonymity = 0;
 102
 103         // Is some data anonymized?
 104         if (getConfig('removeip_anon_ip')   == 'Y') $anonymity++;
 105         if (getConfig('removeip_anon_host') == 'Y') $anonymity++;
 106         if (getConfig('removeip_anon_ua')   == 'Y') $anonymity++;
 107         if (getConfig('removeip_anon_ref')  == 'Y') $anonymity++;
 108
 109         // Calculate anonymity level
 110         $level = round($anonymity / 4 * 3);
 111
 112         // Set constant name suffix depending on that level
 113         $suffix = "unsupported_{$level}";
 114         switch ($level) {
 115                 case 0:
 116                         $suffix = "none";
 117                         break;
 118
 119                 case 1:
 120                         $suffix = "low";
 121                         break;
 122
 123                 case 2:
 124                         $suffix = "medium";
 125                         break;
 126
 127                 case 3: // High level
 128                         $suffix = "high";
 129                         break;
 130         } // END - while
 131
 132         // Construct constant name
 133         $constantName = strtoupper(sprintf("REMOVEIP_LEVEL_%s", $suffix));
 134
 135         // Default message
 136         $message = sprintf(REMOVEIP_UNKNOWN_LEVEL, $suffix);
 137
 138         // Is that constant there?
 139         if (defined($constantName)) {
 140                 // Use that string
 141                 $message = constant($constantName);
 142         } // END - if
 143
 144         // Output message in template
 145         return LOAD_TEMPLATE("removeip_level", true, $message);
 146 }
 147
 148 // Filter for adding anonymity notice to the output stream
 149 function FILTER_ADD_ANONYMITY_NOTICE ($data) {
 150         // Init content
 151         $content = $data;
 152
 153         // Extension removeip activated?
 154         if ((EXT_IS_ACTIVE('removeip')) && (getConfig('removeip_'.strtolower($data['access_level']).'_show') == 'Y')) {
 155                 // Add anoymity/privacy infos
 156                 $content['content'] .= REMOVEIP_ADD_INFOS()."<br />\n";
 157         } // END - if
 158
 159         // Return it
 160         return $content;
 161 }
 162
 163 //
 164 ?>