[Mono-dev] Bug In Mono FTP System.Net.FtpWebRequest

Dieuzorro dieuzorro at hotmail.com
Tue Sep 2 12:25:43 EDT 2008

    The code below operates under windwos but not Linux file is created, but
it is empty.

    I think that the bug is in 'Credentials' because I can download files on
server without authentication(Login/Password). 

Sorry for my English I am french 

    Sub dl(ByVal remoteFile As String, ByVal localFile As String, ByVal
username As String, ByVal password As String)

        '1. Create a request: must be in ftp://hostname format, 

        '   not just ftp.myhost.com

        Dim URI As String = remoteFile

        Dim ftp As System.Net.FtpWebRequest = 
CType(FtpWebRequest.Create(URI), FtpWebRequest)

        '3. Settings and action

        ftp.KeepAlive = False

        'we want a binary transfer, not textual data

        ftp.UseBinary = True

        'Define the action required (in this case, download a file)

        ftp.Method = System.Net.WebRequestMethods.Ftp.DownloadFile

        '2. Set credentials
        if not (username = "" andalso password = "") then

        	ftp.Credentials = New NetworkCredential( username, password)
        end if

        '4. If we were using a method that uploads data e.g. UploadFile

        '   we would open the ftp.GetRequestStream here an send the data

        '5. Get the response to the Ftp request and the associated stream

        Using response As System.Net.FtpWebResponse = CType(ftp.GetResponse,

            Using responseStream As IO.Stream = response.GetResponseStream

                'loop to read & write to file

                Using fs As New IO.FileStream(localFile, IO.FileMode.Create)

                    Dim buffer(2047) As Byte

                    Dim read As Integer = 0


                        read = responseStream.Read(buffer, 0, buffer.Length)

                        fs.Write(buffer, 0, read)

                    Loop Until read = 0 'see Note(1)




        End Using

    End Sub         End Using


            End Using


        End Using

    End Sub

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