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Methods for javascript to determine and obtain trusted sites in the registry_javascript skills
Methods for javascript to determine and obtain trusted sites in the registry_javascript skills
本文实例讲述了javascript判断并获取注册表中可信任站点的方法。分享给大家供大家参考。具体分析如下：
判断可信任站点，首先要在注册表中找到可信任站点在注册表中的位置，如下：
(1)域名作为可信任站点在注册表中的位置：
HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\InternetSettings\\ZoneMap\\Domains\\
(2)IP作为可信任站点在注册表中的位置：
HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\InternetSettings\\ZoneMap\\Ranges
具体测试代码如下：
index.jsp：
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>获取并判断可信任站点(域名和IP)</title>
<style type="text/css">
.mainContent{
margin: 0 auto;
margin-top: 100px;
margin-left: 100px;
}
</style>
<script type="text/javascript" src="js/testRegister.js"></script>
</head>
<body>
<div class="mainContent">
<input type="button" value="是否是可信站点" id="testRegister" />
</div>
</body>
</html>js代码：
/*
* 判断可信任站点(可信任站点可以为IP地址也可以为域名)
*/
window.onload = function(){
var btnObj = document.getElementById("testRegister");
btnObj.onclick = function(){
if(navigator.userAgent.indexOf("MSIE") == -1){
alert("只支持IE浏览器！");
return;
}
var hostname = window.location.hostname;
var WshShell = new ActiveXObject("WScript.Shell");
//IP的正则表达式
var reg = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])(\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){3}$/;
//根据域名判断是否存在可信站点
if(hostname != "localhost" && !reg.test(hostname)){
var domainSFlag = false,domainEFlag = false,domainSEFlag = false,domainSSEFlag = true;
var hostnamePrefix = "",hostnameSuffix = "";
var indexOf = hostname.indexOf(".");
if(indexOf != -1){
hostnamePrefix = hostname.substring(0, indexOf);
hostnameSuffix = hostname.substring(indexOf+1, hostname.length);
try{
WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Domains\\" + hostname + "\\http");
}catch(e){
domainEFlag = true;
}
if(domainEFlag){
try{
WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Domains\\" + hostnameSuffix + "\\" + hostnamePrefix + "\\http");
}catch(e){
domainSFlag = true;
}
}
//判断其合法性
if(domainEFlag && domainSFlag){
try{
WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Domains\\" + hostnameSuffix + "\\" + hostnamePrefix + "\\*");
var tipInfo = "<div>您加入的可信站点不是合法的可信站点，请以<span style='color:red;'>http://</span>开头！</div>";
alert(tipInfo);
return;
}catch(e){}
}
}else{
try{
WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Domains\\" + hostname + "\\http");
}catch(e){
domainSEFlag = true;
}
//判断其合法性
if(domainSEFlag){
try{
WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Domains\\" + hostname + "\\*");
var tipInfo = "<div>您加入的可信站点不是合法的可信站点，请以<span style='color:red;'>http://</span>开头！</div>";
alert(tipInfo);
return;
}catch(e){}
}
}
if((domainSFlag && domainEFlag) || domainSEFlag){
var tipInfo = "域名为" + hostname + "的可信任站点不存在！";
alert(tipInfo);
alert(tipInfo);
return;
}
}else{
//获取可信任站点IP,数字2000没法解释，主要涉及到注册表的问题
var str = [];
for(var i = 1;i < 2000;i++){
try{
str[i] = WshShell.RegRead("HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ZoneMap\\Ranges\\Range" + i + "\\:Range");
}catch(e){
}
}
var count = true;
for(var i = 1;i < str.length;i++){
if(str[i] == undefined){
continue;
}else{
if(str[i] == hostname){
count = false;
break;
}
}
}
if(count){
var tipInfo = "IP为" + hostname+"可信任站点不存在！";
alert(tipInfo);
return
}
}
alert("存在可信任站点！");
}
}
希望本文所述对大家的javascript程序设计有所帮助。
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