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(VB.NET UWP/WinRT) Upload to Tumbleweed SecureTransport FTPS Server

Demonstrates how to connect, authenticate, and upload file to a Tumbleweed Secure Transport SSL FTP Server. Instead of providing a login name and password, you pass the string "site-auth" for the username, and an empty string for the password. You must also provide a client-side digital certificate -- as the certificate's credentials and validity are used to authenticate.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

Dim ftp As New Chilkat.Ftp2

Dim success As Boolean

'  Any string unlocks the component for the 1st 30-days.
success = ftp.UnlockComponent("Anything for 30-day trial")
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


'  This code has been tested with the Tumbleweed server
'  at sft.wellsfargo.com
ftp.Hostname = "sft.wellsfargo.com"

'  Use these exact strings for the username and password:
ftp.Username = "site-auth"
ftp.Password = ""

'  Establish an AUTH SSL secure channel after connecting.
'  Your client-side certificate is used for authentication when
'  the SSL channel is established.
ftp.AuthSsl = True

'  The Ssl property is for establishing an implicit SSL connection
'  on port 990.  Do not set it.
ftp.Ssl = False

'  Load a certificate from a .pfx
'  A PFX may contain several certs, including the certificates
'  in a chain of authority.
Dim certStore As New Chilkat.CertStore
Dim password As String
password = "***"
'  Load the certs from a PFX into an in-memory certificate store:
success = certStore.LoadPfxFile("my.pfx",password)
If (success <> True) Then
    Debug.WriteLine(certStore.LastErrorText)
    Exit Sub
End If


'  Find the exact cert we'll use:
Dim cert As Chilkat.Cert
cert = certStore.FindCertBySubject("My Certificate 123 ABC")
If (cert Is Nothing ) Then
    Debug.WriteLine("Certificate not found!")
    Exit Sub
End If


'  Tell the Chilkat FTP2 component to use the client-side
'  cert for the SSL connection:
success = ftp.SetSslClientCert(cert)

'  Connect and authenticate with the FTP server.
success = Await ftp.ConnectAsync()
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
Else
    '  LastErrorText contains information even when
    '  successful. This allows you to visually verify
    '  that the secure connection actually occurred.
    Debug.WriteLine(ftp.LastErrorText)
End If


Debug.WriteLine("Secure FTP Channel Established!")

'  Change to the remote directory where the file will be
'  uploaded.  If your file is to be uploaded to the FTP user
'  account's home directory, this is not necessary.
success = Await ftp.ChangeRemoteDirAsync("someSubDir")
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


'  You may include an absolute or relative path with the
'  local filename.  If no path is included, the file should
'  be present in the current working directory of the calling
'  process.
Dim localFilename As String = "someFile.dat"
Dim remoteFilename As String = "someFile.dat"

'  Upload the file.
success = Await ftp.PutFileAsync(localFilename,remoteFilename)
If (success <> True) Then
    Debug.WriteLine(ftp.LastErrorText)
    Exit Sub
End If


success = Await ftp.DisconnectAsync()

 

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