<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
namespace Behavior;
/**
* 机器人检测
* @author liu21st <liu21st@gmail.com>
*/
class RobotCheckBehavior
{
public function run(&$params)
{
// 机器人访问检测
if (C('LIMIT_ROBOT_VISIT', null, true) && self::isRobot()) {
// 禁止机器人访问
exit('Access Denied');
}
}
private static function isRobot()
{
static $_robot = null;
if (is_null($_robot)) {
$spiders = 'Bot|Crawl|Spider|slurp|sohu-search|lycos|robozilla';
$browsers = 'MSIE|Netscape|Opera|Konqueror|Mozilla';
if (preg_match("/($browsers)/", $_SERVER['HTTP_USER_AGENT'])) {
$_robot = false;
} elseif (preg_match("/($spiders)/", $_SERVER['HTTP_USER_AGENT'])) {
$_robot = true;
} else {
$_robot = false;
}
}
return $_robot;
}
}