codice:
<%
'variabili di configurazione
'Dim folder
folder_upload = "/public/upload" 'directory sul server con accesso in scrittura
dimensione_massima_file = 20000000 'bytes
'fine variabili di configurazione
Server.ScriptTimeOut = 99000000
Response.Expires = 0
Response.Buffer = TRUE
Response.Clear
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")
'Get an object name
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,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
byteCount = Request.TotalBytes
RequestBin = Request.BinaryRead(byteCount)
Dim UploadRequest
Set UploadRequest = CreateObject("Scripting.Dictionary")
BuildUploadRequest RequestBin
contentType = UploadRequest.Item("blob").Item("ContentType")
filepathname = UploadRequest.Item("blob").Item("FileName")
filename = Right(filepathname,Len(filepathname)-InstrRev(filepathname,"\"))
value = UploadRequest.Item("blob").Item("Value")
'response.write filepathname &"
"
'response.write filename &"
"
'response.Write(Server.mappath(folder_upload)&"\"&filename)
'response.end
FileMessage = ""
'controllo se file da uploadare è > di dimensione_massima_file
if byteCount > dimensione_massima_file then
FileMessage = "La grandezza del file "& UCase(filename) & " è superiore a quella consentita."
else
'------ codice verifica l'esistenza di un file --------
set fso = Server.CreateObject("Scripting.FileSystemObject")
file = server.mappath(folder_upload & "/" & filename)
if fso.fileExists(file) then
FileMessage = "Il file "& UCase(filename) & " esiste!"
else
'Create FileSytemObject Component
'response.Write(Server.mappath(folder_upload)&"\"&filename)
'response.End()
Set ScriptObject = Server.CreateObject("Scripting.FileSystemObject")
Set MyFile = ScriptObject.CreateTextFile(Server.mappath(folder_upload)&"\"&filename)
For i = 1 to LenB(value)
MyFile.Write chr(AscB(MidB(value,i,1)))
Next
MyFile.Close
end if
set fso = nothing
'-------------- FINE ----- codice verifica l'esistenza di un file ------------
end if
%>
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