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Signed-off-by: j502647092 <jtb1@163.com>

ThinkPHP/Library/Behavior/AgentCheckBehavior.class.php

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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;
+/**
+ * 行为扩展：代理检测
+ */
+class AgentCheckBehavior {
+    public function run(&$params) {
+        // 代理访问检测
+        $limitProxyVisit =  C('LIMIT_PROXY_VISIT',null,true);
+        if($limitProxyVisit && ($_SERVER['HTTP_X_FORWARDED_FOR'] || $_SERVER['HTTP_VIA'] || $_SERVER['HTTP_PROXY_CONNECTION'] || $_SERVER['HTTP_USER_AGENT_VIA'])) {
+            // 禁止代理访问
+            exit('Access Denied');
+        }
+    }
+}