0.2.1-FINAL/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  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (!defined('__SECURITY')) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // "Getter" for anonymous remote IP number
  41 function GET_ANONYMOUS_REMOTE_ADDR ($remoteAddr) {
  42         // Is config enabled?
  43         if (getConfig('removeip_anon_ip') == "Y") {
  44                 // Switch way do we like?
  45                 switch (getConfig('anonymous_ip')) {
  46                         case "127.0.0.1": // mod_removeip style
  47                         case "0.0.0.0": // Some people may prefer this...
  48                                 $remoteAddr = getConfig('anonymous_ip');
  49                                 break;
  50
  51                         case "RANDOM": // Pseudo-random IP number
  52                                 $remoteAddr = mt_rand(1,254).".".mt_rand(0,254).".".mt_rand(0,254).".".mt_rand(1,254);
  53                                 break;
  54                 } // END - switch
  55         } // END - if
  56
  57         // Return it
  58         return $remoteAddr;
  59 }
  60 // "Getter" for anonymous remote hostname
  61 function GET_ANONYMOUS_REMOTE_HOST ($remoteHost) {
  62         // Is config enabled?
  63         if (getConfig('removeip_anon_host') == "Y") {
  64                 // Set anon hostname
  65                 $remoteHost = "localhost.localnet";
  66         } // END - if
  67
  68         // Return it
  69         return $remoteHost;
  70 }
  71 // "Getter" for anonymous user agent
  72 function GET_ANONYMOUS_USER_AGENT ($userAgent) {
  73         // Is config enabled?
  74         if (getConfig('removeip_anon_ua') == "Y") {
  75                 // Set anon user agent
  76                 $userAgent = "-";
  77         } // END - if
  78
  79         // Return it
  80         return $userAgent;
  81 }
  82 // "Getter" for anonymous referer
  83 function GET_ANONYMOUS_REFERER ($referer) {
  84         // Is config enabled?
  85         if (getConfig('removeip_anon_ref') == "Y") {
  86                 // Set anon user agent
  87                 $referer = "-";
  88         } // END - if
  89
  90         // Return it
  91         return $referer;
  92 }
  93 // Adds informations about anonymity/privacy to the menu
  94 function REMOVEIP_ADD_INFOS () {
  95         // "Base-privacy" is by default low (we add more later)
  96         $anonymity = 0;
  97
  98         // Is some data anonymized?
  99         if (getConfig('removeip_anon_ip')   == "Y") $anonymity++;
 100         if (getConfig('removeip_anon_host') == "Y") $anonymity++;
 101         if (getConfig('removeip_anon_ua')   == "Y") $anonymity++;
 102         if (getConfig('removeip_anon_ref')  == "Y") $anonymity++;
 103
 104         // Calculate anonymity level
 105         $level = round($anonymity / 4 * 3);
 106
 107         // Set constant name suffix depending on that level
 108         $suffix = "unsupported_{$level}";
 109         switch ($level) {
 110                 case 0:
 111                         $suffix = "none";
 112                         break;
 113
 114                 case 1:
 115                         $suffix = "low";
 116                         break;
 117
 118                 case 2:
 119                         $suffix = "medium";
 120                         break;
 121
 122                 case 3: // High level
 123                         $suffix = "high";
 124                         break;
 125         } // END - while
 126
 127         // Construct constant name
 128         $constantName = strtoupper(sprintf("REMOVEIP_LEVEL_%s", $suffix));
 129
 130         // Default message
 131         $message = sprintf(REMOVEIP_UNKNOWN_LEVEL, $suffix);
 132
 133         // Is that constant there?
 134         if (defined($constantName)) {
 135                 // Use that string
 136                 $message = constant($constantName);
 137         } // END - if
 138
 139         // Output message in template
 140         return LOAD_TEMPLATE("removeip_level", true, $message);
 141 }
 142
 143 // Filter for adding anonymity notice to the output stream
 144 function FILTER_ADD_ANONYMITY_NOTICE ($data) {
 145         // Init content
 146         $content = $data;
 147
 148         // Extension removeip activated?
 149         if ((EXT_IS_ACTIVE("removeip")) && (getConfig('removeip_'.strtolower($data['access_level']).'_show') == "Y")) {
 150                 // Add anoymity/privacy infos
 151                 $content['content'] .= REMOVEIP_ADD_INFOS()."<br />\n";
 152         } // END - if
 153
 154         // Return it
 155         return $content;
 156 }
 157
 158 //
 159 ?>