inc/libs/rewrite_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 10/24/2004 *
   4  * ===============                              Last change: 11/14/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : rewrite_functions.php                            *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Special functions for rewrite extension          *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Spezielle Funktion fuer rewrite-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 (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
  36 {
  37         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  38         require($INC);
  39 }
  40
  41 //
  42 function REWRITE_LINKS($HTML)
  43 {
  44         global $_CONFIG;
  45
  46         // Skip rewriting for the admin area (which search engine may enter here???)
  47         if (ereg($GLOBALS['module'], $_CONFIG['rewrite_skip'])) return $HTML;
  48
  49         // Strip slashes with double-backslashes for the preg_replace() function
  50         $URL = str_replace("/", "\\/", URL);
  51
  52         // Generate target URL
  53         $target = URL."/cms/";
  54
  55         // Convert modules.php?module=...
  56         $test = preg_replace("/".$URL."\\/modules.php\\?module=/i", $target, $HTML);
  57
  58         if (eregi(SERVER_URL, $test))
  59         {
  60                 // Konvert URLs from my server
  61                 $URL = str_replace("/", "\\/", SERVER_URL);
  62                 $test = preg_replace("/".$URL."\\/modules.php\\?module=/i", SERVER_URL."/cms/", $test);
  63         }
  64
  65         // Strip slashes as above for the main URL
  66         $target2 = str_replace("/", "\\/", $target);
  67
  68         // Action variable
  69         $act = $target."\$1/act/";
  70
  71         // Convert &amp;|&action=...
  72         $test = preg_replace("/".$target2."(.*)&amp;action=/i", $act, $test);
  73
  74         // "The same procedure as last variable"... now for &amp;what=
  75         $wht = $target."\$1/wht/";
  76         $target2 = str_replace("/", "\\/", $target);
  77         $test = preg_replace("/".$target2."(.*)&amp;what=/i", $wht, $test);
  78
  79         if ((EXT_IS_ACTIVE("rallye")) && (eregi("rallye=", $test)))
  80         {
  81                 // Replace data when rallye extension is active
  82                 // Add more if you need more like these entries
  83                 $REPLACE = array("rallye", "activate", "auto", "notify", "sub");
  84                 foreach ($REPLACE as $var)
  85                 {
  86                         // This will replace "&amp;var=" to "/var/"
  87                         $test = preg_replace("/&amp;".$var."=/i", "/".$var."/", $test);
  88                 }
  89         }
  90
  91         // Simple from->to replacements
  92         $REPLACE = array(
  93                 'search'  => array("u_id", "url", "page", "offset", "mid", "bid", "sub", "home"),
  94                 'replace' => array("u"   , "url", "page", "offset", "m"  , "b"  , "s"  , "h")
  95         );
  96
  97         if ((EXT_IS_ACTIVE("admins")) && (eregi("admin=", $test)))
  98         {
  99                 // Replace &amp;admin= with "/aid/"
 100                 $REPLACE['search'][]  = "admin";
 101                 $REPLACE['replace'][] = "aid";
 102         }
 103
 104         // Replace all array elements through
 105         foreach ($REPLACE['search'] as $k=>$v)
 106         {
 107                 if (eregi("$v=", $test))
 108                 {
 109                         // Replace &amp;u_id= with /u/
 110                         $test = preg_replace("/&amp;".$v."=/i", "/".$REPLACE['replace'][$k]."/", $test);
 111                 }
 112         }
 113
 114         // Repair missed &amp;what=??? entries
 115         while (preg_match("/&amp;what=(.*)\/(.*)\/(.*)/i", $test))
 116         {
 117                 $test = preg_replace("/&amp;what=(.*)\/(.*)\/(.*)/i", "/wht/\$1/\$2/\$3", $test);
 118         }
 119
 120         // Return rewritten code
 121         return $test;
 122 }
 123 //
 124 ?>