ho un upload

codice:
<% byteCount = Request.TotalBytes
  RequestBin = Request.BinaryRead(byteCount)
  Dim UploadRequest
  Set UploadRequest = CreateObject("Scripting.Dictionary")
  BuildUploadRequest  RequestBin
  contentType = UploadRequest.Item("foto").Item("ContentType")
  filepathname = UploadRequest.Item("foto").Item("FileName")
  filename = Right(filepathname,Len(filepathname)-InstrRev(filepathname,"\"))
  value = UploadRequest.Item("foto").Item("Value")

  'Create FileSytemObject Component
  Set ScriptObject = Server.CreateObject("Scripting.FileSystemObject")

  'Create and Write to a File
  pathEnd = Len(Server.mappath(Request.ServerVariables("PATH_INFO")))-14
  Set MyFile = ScriptObject.CreateTextFile(Server.MapPath("../../foto/bbart/"&Session.SessionID&filename)) 
 
  For i = 1 to LenB(value)
	 MyFile.Write chr(AscB(MidB(value,i,1)))
  Next
  MyFile.Close%>



<%
Sub BuildUploadRequest(RequestBin)	
	PosBeg = 1
	PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
	boundary = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
	boundaryPos = InstrB(1,RequestBin,boundary)
	Do until (boundaryPos=InstrB(RequestBin,boundary & getByteString("--")))
		Dim UploadControl
		Set UploadControl = CreateObject("Scripting.Dictionary")
		Pos = InstrB(BoundaryPos,RequestBin,getByteString("Content-Disposition"))
		Pos = InstrB(Pos,RequestBin,getByteString("name="))
		PosBeg = Pos+6
		PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
		Name = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
		PosFile = InstrB(BoundaryPos,RequestBin,getByteString("filename="))
		PosBound = InstrB(PosEnd,RequestBin,boundary)
		If  PosFile<>0 AND (PosFile<PosBound) Then
			PosBeg = PosFile + 10
			PosEnd =  InstrB(PosBeg,RequestBin,getByteString(chr(34)))
			FileName = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
			UploadControl.Add "FileName", FileName
			Pos = InstrB(PosEnd,RequestBin,getByteString("Content-Type:"))
			PosBeg = Pos+14
			PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
			ContentType = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
			UploadControl.Add "ContentType",ContentType
			PosBeg = PosEnd+4
			PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
			Value = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
			Else
			Pos = InstrB(Pos,RequestBin,getByteString(chr(13)))
			PosBeg = Pos+4
			PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
			Value = getString(MidB(RequestBin,PosBeg+2,PosEnd-PosBeg))
		End If
		UploadControl.Add "Value" , Value	
		UploadRequest.Add name, UploadControl	
		BoundaryPos=InstrB(BoundaryPos+LenB(boundary),RequestBin,boundary)
	Loop
  End Sub
  Function getByteString(StringStr)
	For i = 1 to Len(StringStr)
		char = Mid(StringStr,i,1)
		getByteString = getByteString & chrB(AscB(char))
	Next
  End Function
  Function getString(StringBin)
	getString =""
	For intCount = 1 to LenB(StringBin)
		getString = getString & chr(AscB(MidB(StringBin,intCount,1))) 
	Next
  End Function
%>
</BODY>
</html>



<script>
window.opener.document.inputForm.foto.value = "<%=Session.SessionID & filename%>" window.opener.focus(); 
window.close(); 
</script>

questo upload mi carica la foto sul server nominandola 4328654424foto.jpg

ora io lo usavo affinchè al momento della registrazione inserissero una foto...però poi successivamente uso lo stesso per farla cambiare e succede che si caricano milioni di foto senza poterle gestire perchè con nomi assurdi

ora ho deciso di far inserire la foto dall'interno una volta iscritti
al sito così potrei recuperare l'user e nominare la foto con l'user
come posso modificare l'upload soprascritto per far si che mi nomini la foto con l'user inserito?


mille grazie e spero mi sia spiegato :master: