blocklist.php

joomla的系统插件,用于用户的管理,可以开发或阻塞用户

<?php
/**
* @package Blocklist
* @copyright (C) 2006 Websmurf
* @author Websmurf
* 
* --------------------------------------------------------------------------------
* All rights reserved.  Blocklist is a component for Joomla and Mambo. 
* You can use it to block certain ipadresses or ipblocks
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Creative Commons - Attribution-NoDerivs 2.5 
* license as published by the Creative Commons Organisation
* http://creativecommons.org/licenses/by-nd/2.5/.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
* --------------------------------------------------------------------------------
**/

// ensure this file is being included by a parent file
defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );

$_MAMBOTS->registerFunction( 'onStart', 'botCheckBlocked' );

function botCheckBlocked(){
  global $database, $mosConfig_absolute_path;
  
  $block = false;
  
  include($mosConfig_absolute_path . '/administrator/components/com_blocklist/configuration.php');
  
  $content = file($mosConfig_absolute_path . '/administrator/components/com_blocklist/block.lst');
  $lst = array();
  for($i=0,$n=count($content);$i<$n;$i++){
    $row = explode("|", $content[$i]);
    $lst[$row[0]] = $row[1];
  }
  
  $ips = array_keys($lst);
  
  //check whole IP first
  if(in_array($_SERVER['REMOTE_ADDR'], $ips)){
    $offset = array_search($_SERVER['REMOTE_ADDR'], $ips);
    $content = str_replace('{REASON}', $lst[$ips[$offset]], $bl_config['pagecontent']);
    $block = true;
  }
  
  $ip = explode(".", $_SERVER['REMOTE_ADDR']);
  
  //check 10.0.0.*
  if(in_array($ip[0] . '.' . $ip[1] . '.' . $ip[2] . '.*', $ips)){
    $offset = array_search($ip[0] . '.' . $ip[1] . '.' . $ip[2] . '.*', $ips);
    $content = str_replace('{REASON}', $lst[$ips[$offset]], $bl_config['pagecontent']);
    $block = true;
  }
  
  //check 10.0.*.*
  if(in_array($ip[0] . '.' . $ip[1] . '.*.*', $ips)){
    $offset = array_search($ip[0] . '.' . $ip[1] . '.*.*', $ips);
    $content = str_replace('{REASON}', $lst[$ips[$offset]], $bl_config['pagecontent']);
    $block = true;
  }
  
  //check 10.*.*.*
  if(in_array($ip[0] . '.*.*.*', $ips)){
    $offset = array_search($ip[0] . '.*.*.*', $ips);
    $content = str_replace('{REASON}', $lst[$ips[$offset]], $bl_config['pagecontent']);
    $block = true;
  }
  
  if($block){
    header('HTTP/1.0 403 Access Denied');
    echo str_replace('</body>', '<div align="center">Powered by <a href="http://www.joomla-addons.org/blocklist-component.html" target="_blank" title="Joomla components, modules, plugins, hosting and services">Blocklist</a>' . "</div>\n</body>", $content);
    exit;
  }
}

?>