[Sommaire] [Imprimer]

   1  <?php
   2  
   3  /**
   4  * File: Header.Examine.class.php
   5  * This is the HTTP Header Examine class for the Geeklog Spam-X plugin
   6  *
   7  * Copyright (C) 2005-2006 by the following authors:
   8  * Author    Dirk Haun <dirk AT haun-online DOT de>
   9  *
  10  * based on the works of Tom Willett <tomw AT pigstye DOT net>
  11  *
  12  * Licensed under the GNU General Public License
  13  *
  14  * $Id: Header.Examine.class.php,v 1.5 2006/12/10 08:57:49 dhaun Exp $
  15  */
  16  
  17  if (strpos ($_SERVER['PHP_SELF'], 'Header.Examine.class.php') !== false) {
  18      die ('This file can not be used on its own!');
  19  }
  20  
  21  /**
  22  * Include Abstract Examine Class
  23  */
  24  require_once($_CONF['path'] . 'plugins/spamx/' . 'BaseCommand.class.php');
  25  
  26  /**
  27  * Examines Post according to HTTP Headers
  28  *
  29  * @author Dirk Haun <dirk AT haun-online DOT de>
  30  */
  31  
  32  class Header extends BaseCommand {
  33      /**
  34       * No Constructor Use BaseCommand constructor
  35       */
  36      /**
  37       * Here we do the work
  38       */
  39      function execute($comment)
  40      {
  41          global $_CONF, $_TABLES, $_USER, $LANG_SX00, $result;
  42  
  43          if (isset ($_USER['uid']) && ($_USER['uid'] > 1)) {
  44              $uid = $_USER['uid'];
  45          } else {
  46              $uid = 1;
  47          }
  48  
  49          // get HTTP headers of the current request
  50          if (function_exists ('getallheaders')) {
  51              $headers = getallheaders ();
  52          } else {
  53              // if getallheaders() is not available, we have to fake it using
  54              // the $_SERVER['HTTP_...'] values
  55              $headers = array ();
  56              foreach ($_SERVER as $key => $content) {
  57                  if (substr ($key, 0, 4) == 'HTTP') {
  58                      $name = str_replace ('_', '-', substr ($key, 5));
  59                      $headers[$name] = $content;
  60                  }
  61              }
  62          }
  63  
  64          $result = DB_query ("SELECT value FROM {$_TABLES['spamx']} WHERE name='HTTPHeader'", 1);
  65          $nrows = DB_numRows ($result);
  66  
  67          $ans = 0;
  68          for ($i = 0; $i < $nrows; $i++) {
  69              list ($entry) = DB_fetchArray ($result);
  70  
  71              $v = explode (':', $entry);
  72              $name = trim ($v[0]);
  73              $value = trim ($v[1]);
  74              $value = str_replace ('#', '\\#', $value);
  75  
  76              foreach ($headers as $key => $content) {
  77                  if (strcasecmp ($name, $key) == 0) {
  78                      if (preg_match ("#$value#i", $content)) {
  79                          $ans = 1; // quit on first positive match
  80                          SPAMX_log ($LANG_SX00['foundspam'] . $entry .
  81                                     $LANG_SX00['foundspam2'] . $uid . 
  82                                     $LANG_SX00['foundspam3'] .
  83                                     $_SERVER['REMOTE_ADDR']);
  84                          break;
  85                      }
  86                  }
  87              }
  88          }
  89  
  90          return $ans;
  91      }
  92  }
  93  
  94  ?>