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ASP隐藏下载地址及防盗代码
来源:互联网   发布日期:2016-03-01 13:07:54   浏览:2290次  

导读:以下为引用的内容:<% FunctIon DownloadFIle(StrFIle)StrFIlename=StrFIleResponse.Buffer=TrueResponse.Clea...

以下为引用的内容:

<% FunctIon DownloadFIle(StrFIle)

StrFIlename=StrFIle

Response.Buffer=True

Response.Clear

Set S=Server.CreateObJect("ADODB.Stream")

S.Open

S.Type=1

on Error Resume Next

Set Fso=Server.CreateObJect("ScrIptIng.FIleSystemObJect")

If Not Fso.FIleExists(StrFIleName) Then

From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))

Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))

If MId(From_Url,8,len(Serv_Url)) <> Serv_Url Then

Response.WrIte "该文件不存在或者已经删除."

Response.End

End If

Response.RedIrect Request.ServerVarIables("HTTP_REFERER")

Response.End

End If

FileExt=MId(StrFIlename,InStrRev(StrFIleName, ".")+1)

Select Case UCase(FIleExt)

Case "ASP", "ASA", "ASPX", "ASAX", "MDB", "PHP", "JSP", "SHTML", "HTML", "HTM", "TV", "DATA"

From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))

Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))

If MId(From_Url,8,len(Serv_Url)) <> Serv_Url Then

Response.WrIte "该文件不存在或者已经删除."

Response.End

End If

Response.RedIrect Request.ServerVarIables("HTTP_REFERER")

Response.End

End Select

Set F=Fso.GetFIle(StrFIlename)

IntFIlelength=F.SIze

s.LoadFromFIle(StrFIlename)

If Err Then

From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))

Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))

If MId(From_Url,8,len(Serv_Url)) <> Serv_Url Then

Response.WrIte "该文件数据不完整或许已损坏."

Response.End

End If

Response.RedIrect Request.ServerVarIables("HTTP_REFERER")

Response.End

End If

Set Upload=Server.CreateObJect("PersIts.Upload")

If Upload Is Nothing Then

Response.AddHeader "Content-DIsposItIon","attachment; FIlename="&F.Name

Response.AddHeader "Content-Length",IntFilelength

Response.CharSet="UTF-8"

Response.ContentType="application/x-download"

Response.BinaryWrite S.Read

Response.Flush

S.Close

Set s=NothIng

Else

Upload.SendBinary StrFIlename,True,"application/x-download",False

End If

End FunctIon

%>

调用

<%Call DownloadFIle("下载地址")%>

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