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Signed-off-by: j502647092 <jtb1@163.com>
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j502647092
2015-11-01 22:25:03 +08:00
commit 2003fda7cb
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41
ThinkPHP/Library/Behavior/RobotCheckBehavior.class.php Normal file
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<?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');
}
}
static private 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;
}
}