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         global $_CONFIG;
  43
  44         // Is config enabled?
  45         if ($_CONFIG['removeip_anon_ip'] == "Y") {
  46                 // Switch way do we like?
  47                 switch ($_CONFIG['anonymous_ip']) {
  48                         case "127.0.0.1": // mod_removeip style
  49                         case "0.0.0.0": // Some people may prefer this...
  50                                 $remoteAddr = $_CONFIG['anonymous_ip'];
  51                                 break;
  52
  53                         case "RANDOM": // Pseudo-random IP number
  54                                 $remoteAddr = mt_rand(1,254).".".mt_rand(0,254).".".mt_rand(0,254).".".mt_rand(1,254);
  55                                 break;
  56                 } // END - switch
  57         } // END - if
  58
  59         // Return it
  60         return $remoteAddr;
  61 }
  62 // "Getter" for anonymous remote hostname
  63 function GET_ANONYMOUS_REMOTE_HOST ($remoteHost) {
  64         global $_CONFIG;
  65
  66         // Is config enabled?
  67         if ($_CONFIG['removeip_anon_host'] == "Y") {
  68                 // Set anon hostname
  69                 $remoteHost = "localhost.localnet";
  70         } // END - if
  71
  72         // Return it
  73         return $remoteHost;
  74 }
  75 // "Getter" for anonymous user agent
  76 function GET_ANONYMOUS_USER_AGENT ($userAgent) {
  77         global $_CONFIG;
  78
  79         // Is config enabled?
  80         if ($_CONFIG['removeip_anon_ua'] == "Y") {
  81                 // Set anon user agent
  82                 $userAgent = "-";
  83         } // END - if
  84
  85         // Return it
  86         return $userAgent;
  87 }
  88 // "Getter" for anonymous referer
  89 function GET_ANONYMOUS_REFERER ($referer) {
  90         global $_CONFIG;
  91
  92         // Is config enabled?
  93         if ($_CONFIG['removeip_anon_ref'] == "Y") {
  94                 // Set anon user agent
  95                 $referer = "-";
  96         } // END - if
  97
  98         // Return it
  99         return $referer;
 100 }
 101 // Adds informations about anonymity/privacy to the menu
 102 function REMOVEIP_ADD_INFOS () {
 103         global $_CONFIG;
 104
 105         // "Base-privacy" is by default low (we add more later)
 106         $anonymity = 0;
 107
 108         // Is some data anonymized?
 109         if ($_CONFIG['removeip_anon_ip']   == "Y") $anonymity++;
 110         if ($_CONFIG['removeip_anon_host'] == "Y") $anonymity++;
 111         if ($_CONFIG['removeip_anon_ua']   == "Y") $anonymity++;
 112         if ($_CONFIG['removeip_anon_ref']  == "Y") $anonymity++;
 113
 114         // Calculate anonymity level
 115         $level = round($anonymity / 4 * 3);
 116
 117         // Set constant name suffix depending on that level
 118         $suffix = "unsupported_{$level}";
 119         switch ($level) {
 120                 case 0:
 121                         $suffix = "none";
 122                         break;
 123
 124                 case 1:
 125                         $suffix = "low";
 126                         break;
 127
 128                 case 2:
 129                         $suffix = "medium";
 130                         break;
 131
 132                 case 3: // High level
 133                         $suffix = "high";
 134                         break;
 135         } // END - while
 136
 137         // Construct constant name
 138         $constantName = strtoupper(sprintf("REMOVEIP_LEVEL_%s", $suffix));
 139
 140         // Default message
 141         $message = sprintf(REMOVEIP_UNKNOWN_LEVEL, $suffix);
 142
 143         // Is that constant there?
 144         if (defined($constantName)) {
 145                 // Use that string
 146                 $message = constant($constantName);
 147         } // END - if
 148
 149         // Output message in template
 150         return LOAD_TEMPLATE("removeip_level", true, $message);
 151 }
 152
 153 //
 154 ?>