% '盜鏈判斷 'If Instr(Request.ServerVariables("http_referer"),"http://"Request.ServerVariables("server_name")"") = 0 Then 'Response.Write "非法鏈接" 'Response.End 'End If
Dim url, body, myCache
url = Request.QueryString("url")
Set myCache = new cache myCache.name = "picindex"url If myCache.valid Then body = myCache.value Else body = GetWebData(url) myCache.add body,dateadd("d",1,now) End If
If Err.Number = 0 Then Response.CharSet = "UTF-8" Response.ContentType = "application/octet-stream" Response.BinaryWrite body Response.Flush Else Wscript.Echo Err.Description End if
'取得數據 Public Function GetWebData(ByVal strUrl) Dim curlpath curlpath = Mid(strUrl,1,Instr(8,strUrl,"/")) Dim Retrieval Set Retrieval = Server.CreateObject("Microsoft.XMLHTTP") With Retrieval .Open "Get", strUrl, False,"","" .setRequestHeader "Referer", curlpath .Send GetWebData =.ResponseBody End With Set Retrieval = Nothing End Function
private sub class_initialize() path=request.servervariables("url") path=left(path,instrRev(path,"/")) end sub
private sub class_terminate() end sub
public property get blEmpty '是否為空 if isempty(obj) then blEmpty=true else blEmpty=false end if end property
public property get valid '是否可用(過期) if isempty(obj) or not isDate(expireTime) then valid=false elseif CDate(expireTime)now then valid=false else valid=true end if end property
public property let name(str) '設置cache名 cacheName=str path obj=application(cacheName) expireTimeName=str "expires" path expireTime=application(expireTimeName) end property
public property let expires(tm) '重設置過期時間 expireTime=tm application.lock application(expireTimeName)=expireTime application.unlock end property
public sub add(var,expire) '賦值 if isempty(var) or not isDate(expire) then exit sub end if obj=var expireTime=expire application.lock application(cacheName)=obj application(expireTimeName)=expireTime application.unlock end sub
public property get value '取值 if isempty(obj) or not isDate(expireTime) then value=null elseif CDate(expireTime)now then value=null else value=obj end if end property
public sub makeEmpty() '釋放application application.lock application(cacheName)=empty application(expireTimeName)=empty application.unlock obj=empty expireTime=empty end sub
public function equal(var2) '比較 if typename(obj)>typename(var2) then equal=false elseif typename(obj)="Object" then if obj is var2 then equal=true else equal=false end if elseif typename(obj)="Variant()" then if join(obj,"^")=join(var2,"^") then equal=true else equal=false end if else if obj=var2 then equal=true else equal=false end if end if end function end class %>
