Web在线代理(Asp版)
作者：Eve Cole
更新时间：2009-06-23 17:01:33
asp写Web代理软件，可以用作突破网关限制等，主要是为了配合Ajax使用的(因Firefox存在跨域访问的问题) 版本 0.1 作者 LlinZzi
功能
判断网站编码，支持任何语言
超连接自动转换
附带一个远程下载图片的函数
未解决问题，目前只能用来代理网站代码，图片等其他数据的代理转发尚未完成。
[复制此代码]CODE:
<%@LANGUAGE="JAVASCRIPT" CODEPAGE="65001"%>
<%Response.Charset = "utf-8"%>
<%
Server.ScriptTimeout=9999999;
var Surl = String(Request.QueryString("url"));
if(Surl == "undefined"){
Response.Write("<p style="font-size:9pt;margin:30px;padding:10px;text-align:center;background-color:#FFCCCC;border: 1px solid #999999;">Asp代理 by Llinzzi</p>");
Response.Write("<div style="font-size:9pt;margin:30px;text-align:center;background-color:#FFFFCC;border: 1px solid #999999;">");
Response.Write("<form action="#" method="get" >");
Response.Write("<p style="font-size:9pt;margin:5px;text-align:center;">请输入网址</p>");
Response.Write("<p><input style="background-color: #FFCCCC;border: 1px solid #999999;" type="text" name="url"></p>");
Response.Write("<p><input style="background-color: #FFCCCC;border: 1px solid #999999;" type="submit" value="GoWeb"></p>");
Response.Write("</div>");
}
else if(Surl == ""){
Response.Write("<p style="font-size:9pt;margin:30px;padding:10px;text-align:center;background-color:#FFCCCC;border: 1px solid #999999;">Asp代理 by Llinzzi</p>");
Response.Write("<div style="font-size:9pt;margin:30px;text-align:center;background-color:#FFFFCC;border: 1px solid #999999;">");
Response.Write("<p>地址为空,请格式输入 如 www.tom.com </p>");
Response.Write("</div>");
}
else{
Surl = (Surl.substr(0,7) != "http://") ? "http://"+Surl : Surl;
Response.Write(send_request(Surl));
}
function send_request(url) {
var codedtext;
http_request = Server.CreateObject("Microsoft.XMLHTTP");
try{
http_request.Open("GET",url,false);
http_request.Send(null);
}
catch(e)
{
Response.Write(e.description);
}
if (http_request.ReadyState == 4){
//自动判断编码开始
var charresult = http_request.ResponseText.match(/CharSet=(S+)"/i);
if (charresult != null){
var Cset = charresult[1];
}else{Cset = "utf-8"}
//自动判断编码结束
codedtext = bytesToBSTR(http_request.Responsebody,Cset);
}else{
codedtext = "Erro";
}
//替换超连接
codedtext = codedtext.replace(/href="/?/ig,"href=""+url+"/");
codedtext = codedtext.replace(/(<a.*href=")/ig,"$1servergate.asp?url=");
return(codedtext);
}
function bytesToBSTR(body,Cset){
var objstream;
objstream = Server.CreateObject("Adodb.Stream");
objstream.Type = 1;
objstream.Mode = 3;
objstream.Open();
objstream.Write(body);
objstream.Position = 0;
objstream.Type = 2;
objstream.Charset = Cset;
bytesToBSTR = objstream.Readtext;
objstream.Close;
return(bytesToBSTR);
}
function SaveRemoteFile(LocalFileName,RemoteFileUrl){
var Retrieval,Ads;
Retrieval = Server.CreateObject("Microsoft.XMLHTTP");
Retrieval.Open("GET",RemoteFileUrl,false);
Retrieval.Send(null);
if (Retrieval.ReadyState == 4){
Ads = Server.CreateObject("Adodb.Stream");
Ads.Type = 1;
Ads.Open();
Ads.Write(Retrieval.Responsebody);
Ads.SaveToFile(Server.MapPath(LocalFileName),2);
Ads.Cancel;
Ads.Close;
}
}
//SaveRemoteFile("aa.gif","/images/XrssFile/2007-1/12/2007112124640411.gif");
%>
