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#!/usr/bin/env python
'''
Copyright (C) 2020, WAFW00F Developers.
See the LICENSE file for copying permission.
'''
NAME = ' NAXSI (NBS Systems) '
def is_waf ( self ) :
# 定义用于检测是否存在特定 Web 应用防火墙（ ）
schemes = [
# 检查响应头中的'X-Data-Origin'字段是否以'naxsi'开头，后面可以跟任意字符。
self . matchHeader ( ( ' X-Data-Origin ' , r ' ^naxsi(.+)? ' ) ) ,
# 检查响应头中的'Server'字段是否以'naxsi'开头，后面可以跟任意字符。
self . matchHeader ( ( ' Server ' , r ' naxsi(.+)? ' ) ) ,
# 检查响应内容中是否包含'blocked by naxsi'。
self . matchContent ( r ' blocked by naxsi ' ) ,
# 检查响应内容中是否包含'naxsi blocked information'。
self . matchContent ( r ' naxsi blocked information ' )
]
# 如果方案列表中的任何一个条件为真，则认为检测到了 WAF。
if any ( i for i in schemes ) :
return True
else :
return False
