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Discussione: Modifica Upload

  1. #1
    Utente di HTML.it
    Registrato dal
    Jun 2004
    Messaggi
    493

    Modifica Upload

    Salve a tutti.
    È da un po' che utilizzo uno script per uploadare file.
    Ma adesso mi è sorta la necessità di limitare le dimensioni e i tipi dei file.
    Sapete dirmi cosa devo cambiare???
    Grazie

    codice:
    <%
    'variabili di configurazione
    Dim folder
    folder = "/public"				'directory sul server con accesso in scrittura
    'fine variabili di configurazione
    
    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")
    
    'Create FileSytemObject Component
    Set ScriptObject = Server.CreateObject("Scripting.FileSystemObject")
    
    'Create and Write to a File
    Set MyFile = ScriptObject.CreateTextFile(Server.mappath(folder)&"\"&filename)
     
    For i = 1 to LenB(value)
    	MyFile.Write chr(AscB(MidB(value,i,1)))
    Next
     
    MyFile.Close
    %>
    
    <html>
    <head>
    	<title>UPLOAD FILE</title>
    </head>
    <body>
    
    
    <table border=0 width=360 bgcolor=#40576f cellspacing=1 align=center>
    	<tr>
    		<td width=400 align=center bgcolor=#40576f><FONT FACE="tahoma" color=#ffffff size=2>Il file <%=filename%> è stato uploadato con successo.</FONT></td>
    	</tr>
      <tr>
        <td width="400" height="30" bgcolor="#E6E6FF" align=center><a href=/upload/uploadform.asp><font face=arial size=2 color=black>&lt; &lt; CARICA UN ALTRO FILE
    
        </font></a><font face=arial size=2 color=black>Indietro</font></td>
      </tr>
      <tr>
        <td width="400" height="10" bgcolor="#40576f" align=right><a href=http://www.aspcode.it></a></td>
      </tr>
    </table>
    
    
    </body>
    </html>

  2. #2

  3. #3
    Utente di HTML.it
    Registrato dal
    Jun 2004
    Messaggi
    493
    allora, già per il nome e per l'avatar io ti tro....ei, poi per la celere ed ottima risposta che mi dai e che dai sempre a tutti dovremmo farti un monumento!!!

    ti ringrazio davvero!!!!

  4. #4

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