<%
Public Function Bytes2BSTR(v)
Dim r,i,t,n : r = ""
For i = 1 To LenB(v)
t = AscB(MidB(v,i,1))
If t < &H80 Then
r = r & Chr(t)
Else
n = AscB(MidB(v,i+1,1))
r = r & Chr(CLng(t) * &H100 + CInt(n))
i = i + 1
End If
Next
Bytes2BSTR = r
End Function
'==========================================================================================
If Request.QueryString="ViewSource" Then
Dim oFso : Set oFso=Server.CreateObject("Scripting.FileSystemObject")
Dim oFil : Set oFil=oFso.OpenTextFile(Server.MapPath("URL.Asp"))
Dim sTxt : sTxt=oFil.ReadAll()
oFil.Close : Set oFil=Nothing : Set oFso=Nothing
Response.ContentType="text/plain"
Response.Write sTxt
Response.ENd
End If
%><?xml version="1.0" encoding="gb2312" standalone="yes"?>
<!doctype html public "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns:v="http://www.eglic.com/">
<head>
<title></title>
<meta name="Generator" content="EditPlus" />
<meta name="Author" content="eglic" />
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="CharSet" content="GB2312" />
<link rel="stylesheet" type="text/css" href="/styles/default.css" />
<style type="text/css">
@media all{
}
</style>
<script language="javascript" src="/scripts/default.js"></script>
<script language="javascript" src="/scripts/xml.js"></script>
<script language="javascript">//<!--
//--></script>
</head>
<body>
<form action="" method="POST">
要检测的URL：<input type="text" name="URL" size="50" value="<%
If Request.Form("URL")<>"" THen
Response.Write Trim(Request.Form("URL"))
Else
Response.Write "http://www.crsky.com/view_down.asp?downd_id=8&downd=0&ID=20780&down=yes"
End If
%>" />
<input type="submit" value="提交" />
<input type="button" value="查看源代码" onclick="JavaScript:window.open('<%=URLSelf%>?ViewSource');" />
</form>
<%
Public Function GetAbsoluteURL(sUrl,ByRef iStep)
Dim bUrl,bDat
If iStep>5 Then
Err.Raise vbObejctError,"递归错误","递归嵌套超过15层可能会引起程序崩溃"
End If
If InStr(sUrl,"://")<=0 Then sUrl="http://" & sUrl
If InStr(sUrl,"?")>0 THen
Dim tmpUrl : tmpUrl=split(sUrl,"?")
bUrl=tmpUrl(0)
bDat=tmpUrl(1)
Else
bUrl=sUrl
bDat=""
End If
Response.Write "<p style=""border:solid 1px silver;border-top:solid 2px red;padding:5px;margin:2px;"">"
Response.Write "第 " & iStep & " 步："
Response.Write "正在准备获取 " & bUrl & "<br />"
iStep=iStep+1
if bDat<>"" Then Response.Write " >>参数： " & bDat & "<br />"
Dim oHttp : Set oHttp=Server.CreateObject("WinHttp.WinHttpRequest.5.1")
oHttp.Option(6)=0 '禁止自动Redirect，最关键的
'oHttp.Option()
oHttp.SetTimeouts 5000,5000,30000,5000
oHttp.Open "GET",sUrl,False
On Error Resume Next
oHttp.Send bDat
If Err.Number<>0 Then
Response.Write "<font color=""red"">发生错误：" & Err.Description & "</font><br />"
Err.Clear
GetAbsoluteURL=""
Set oHttp=Nothing
Response.Write "</p>"
Exit Function
End If
On Error Goto 0
Response.Write " >>HTTP 状态：" & oHttp.Status & "<br />"
If oHttp.Status<>200 And oHttp.Status<>302 Then
Response.Write "<font color=""red"">HTTP错误：" & oHttp.StatusText & "</font><br />"
Err.Clear
GetAbsoluteURL=""
Set oHttp=Nothing
Response.Write "</p>"
Exit Function
End If
Dim sLoca
On Error Resume Next
sLoca=oHttp.getResponseHeader("Location")
If Err.Number<>0 Then
Err.Clear
sLoca=""
End If
On Error Goto 0
If sLoca = "" Then
Response.Write " >>Content-Type:" & oHttp.getResponseHeader("Content-Type") & "<br />"
Response.Write " >>Content-Length:"
On Error Resume Next
Response.Write oHttp.getResponseHeader("Content-Length")
If Err.Number<>0 THen Err.Clear
On Error Goto 0
Response.Write "<br />"
Response.Write " >>没有返回Location头，继续分析页面<br />"
If oHttp.getResponseHeader("Content-Type")="text/html" Then '是HTML类型才继续处理
Dim sBody : sBody=Bytes2BStr(oHttp.responseBody)
Dim r : Set r=new Regexp
r.MultiLine=True
r.Global=True
r.IgnoreCase=True
r.Pattern="<meta.+http\-equiv\=\""refresh\"".+content=\""[^\;]+;url\=([^\""\s\>]*).*$"
If r.Test(sBody) Then
Response.Write " >>发现 Refresh 地址<br />"
Dim m : Set m=r.Execute(sBody)
Dim tRefUrl : tRefUrl=r.Replace(m(0).Value,"$1")
If InStr(tRefUrl,"://")<=0 Then '没有指定协议，按当前URL的位置重新设置
Dim ind1 : ind1=InstrRev(sUrl,"/")
sUrl=Left(sUrl,ind1)
tRefUrl=sUrl & tRefUrl
End If
Set r=Nothing
Set oHttp=Nothing
Response.Write " >>准备分析 <u>" & tRefUrl & "</u><br />"
Response.Write "</p>"
GetAbsoluteURL=GetAbsoluteURL(tRefUrl,iStep)
Exit Function
Else
Response.Write " >>没发现 Refresh Meta 转向，这可能就是最终的URL<br />"
GetAbsoluteURL=sUrl
Set r=Nothing
Set oHttp=Nothing
Response.Write "</p>"
Exit Function
End If
Else
GetAbsoluteURL=sUrl
Set oHttp=Nothing
Response.Write "</p>"
Exit Function
End If
'这里要继续分析网页内容
Else
'Response.Write " >>Content-Type:" & oHttp.getResponseHeader("Content-Type") & "<br />"
'Response.Write " >>Content-Length:"
On Error Resume Next
Response.Write oHttp.getResponseHeader("Content-Length")
If Err.Number<>0 THen Err.Clear
On Error Goto 0
Response.Write "<br />"
Response.Write " >><u>Location : " & sLoca& "</u><br />"
Response.Write "</p>"
'这里要生成新的URL
If InStr(sLoca,"://")<=0 Then
'没有指定协议，按当前URL的位置重新设置
Dim ind : ind=InstrRev(sUrl,"/")
sUrl=Left(sUrl,ind)
sLoca=sUrl & sLoca
End If
GetAbsoluteURL=GetAbsoluteURL(sLoca,iStep)
End If
End Function
If Request.Form("URL")<>"" THen
Dim iStep : iStep=1
Dim sAbs : sAbs=GetAbsoluteURL(Trim(Request.Form("URL")),iStep)
Response.Write "<strong style=""color:white;background-color:red;font-size:15px;padding:3px;margin:10px;"">最终结果是：" & sAbs & "</strong>"
End If
%>
<script src="/T/mystat.asp?siteid=1"></script>
</body>
</html>
