www.gusucode.com > wxApp PHP版微信小程序CMS系统 v1.0PHP源码程序 > wxApp PHP版微信小程序CMS系统 v1.0/wxAppCMS_v1.0.0/wxAppCMS_v1.0.0/iPHP/core/iWAF.class.php
<?php /*通用漏洞防护补丁v1.1 来源:阿里云 更新时间:2013-05-25 功能说明:防护XSS,SQL,代码执行,文件包含等多种高危漏洞 */ defined('iPHP_WAF_POST') OR define('iPHP_WAF_POST',true);// 检测POST class iWAF { public static $URL_ARRAY = array( 'xss'=>"\\=\\+\\/v(?:8|9|\\+|\\/)|\\%0acontent\\-(?:id|location|type|transfer\\-encoding)", ); public static $ARGS_ARRAY=array( 'xss' =>"[\\'\\\"\\;\\*\\<\\>].*\\bon[a-zA-Z]{3,15}[\\s\\r\\n\\v\\f]*\\=|\\b(?:expression)\\(|\\<script[\\s\\\\\\/]|\\<\\!\\[cdata\\[|\\b(?:eval|alert|prompt|msgbox)\\s*\\(|url\\((?:\\#|data|javascript)", 'sql' =>"[^\\{\\s]{1}(\\s|\\b)+(?:select\\b|update\\b|insert(?:(\\/\\*.*?\\*\\/)|(\\s)|(\\+))+into\\b).+?(?:from\\b|set\\b)|[^\\{\\s]{1}(\\s|\\b)+(?:create|delete|drop|truncate|rename|desc)(?:(\\/\\*.*?\\*\\/)|(\\s)|(\\+))+(?:table\\b|from\\b|database\\b)|into(?:(\\/\\*.*?\\*\\/)|\\s|\\+)+(?:dump|out)file\\b|\\bsleep\\([\\s]*[\\d]+[\\s]*\\)|benchmark\\(([^\\,]*)\\,([^\\,]*)\\)|(?:declare|set|select)\\b.*@|union\\b.*(?:select|all)\\b|(?:select|update|insert|create|delete|drop|grant|truncate|rename|exec|desc|from|table|database|set|where)\\b.*(charset|ascii|bin|char|uncompress|concat|concat_ws|conv|export_set|hex|instr|left|load_file|locate|mid|sub|substring|oct|reverse|right|unhex)\\(|(?:master\\.\\.sysdatabases|msysaccessobjects|msysqueries|sysmodules|mysql\\.db|sys\\.database_name|information_schema\\.|sysobjects|sp_makewebtask|xp_cmdshell|sp_oamethod|sp_addextendedproc|sp_oacreate|xp_regread|sys\\.dbms_export_extension)", 'other' =>"\\.\\.[\\\\\\/].*\\%00([^0-9a-fA-F]|$)|%00[\\'\\\"\\.]" ); public static function filter(){ $referer = empty($_SERVER['HTTP_REFERER']) ? array() : array($_SERVER['HTTP_REFERER']); $query_string = empty($_SERVER["QUERY_STRING"]) ? array() : array($_SERVER["QUERY_STRING"]); self::check_data($query_string,self::$URL_ARRAY); self::check_data($_GET); iPHP_WAF_POST && self::check_data($_POST); self::check_data($_COOKIE); self::check_data($_FILES); self::check_data($referer); } public static function check_data($arr,$waf=null) { $waf===null && $waf = self::$ARGS_ARRAY; foreach($arr as $key=>$value){ if(is_array($key)||is_object($key)){ self::check_data($key,$waf); }else{ self::check($key,$waf); } if(is_array($value)||is_object($value)){ self::check_data($value,$waf); }else{ self::check($value,$waf); } } } public static function check($str,$waf=null){ $waf===null && $waf = self::$ARGS_ARRAY; foreach($waf as $key=>$value){ if (preg_match("/".$value."/is",$str)==1||preg_match("/".$value."/is",urlencode($str))==1){ trigger_error('iWAF安全提示:当前操作可能存在某种危险代码',E_USER_ERROR); } } } public static function CSRF_token($key=null){ $key===null &&$key = iPHP_KEY; define('iPHP_WAF_CSRF_TOKEN',sha1(md5(iPHP_KEY))); return iPHP_WAF_CSRF_TOKEN; } public static function CSRF_check(){ $token = $_GET['CSRF_TOKEN']?$_GET['CSRF_TOKEN']:$_POST['CSRF_TOKEN']; if(defined('iPHP_WAF_CSRF') && iPHP_CSRF_POST){ return true; } if(stripos($_SERVER['HTTP_REFERER'],iPHP_SELF)){ return true; } if($_POST){ if($token!==iPHP_WAF_CSRFKEY){ trigger_error("TOKEN error",E_USER_ERROR); } } } }