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Visual Basic 6.0 Examples

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(Visual Basic 6.0) AWS Transfer for SFTP (Amazon S3)

Once you've setup your AWS Transfer for SFTP in the AWS Console, interacting with it is no different than any other SSH/SFTP server. AWS will provide a private key in PEM format. It is used for authentication (instead of a password).

For more information, see https://docs.aws.amazon.com/transfer/latest/userguide/getting-started-use-the-service.html

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim sftp As New ChilkatSFtp

' Connect to the AWS SFTP server.
' Change the domain to your value.
Dim domain As String
domain = "s-123456df999999fab.server.transfer.eu-west-2.amazonaws.com"
Dim port As Long
port = 22
Dim success As Long
success = sftp.Connect(domain,port)
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' Load your AWS SFTP private key PEM file..
Dim sshKey As New ChilkatSshKey
Dim keyText As String
keyText = sshKey.LoadText("qa_data/pem/s3_sftp_privateKey.pem")
If (sshKey.LastMethodSuccess <> 1) Then
    Debug.Print sshKey.LastErrorText
    Exit Sub
End If

success = sshKey.FromOpenSshPrivateKey(keyText)
If (success = 0) Then
    Debug.Print sshKey.LastErrorText
    Exit Sub
End If

' Authenticate with the SSH server using the private key.
success = sftp.AuthenticatePk("myUsername",sshKey)
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' After authenticating, the SFTP subsystem must be initialized:
success = sftp.InitializeSftp()
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

' Upload from the local file to the SSH server.
' Important -- the remote filepath is the 1st argument,
' the local filepath is the 2nd argument;
Dim remoteFilePath As String
remoteFilePath = "hamlet.xml"
Dim localFilePath As String
localFilePath = "c:/temp/hamlet.xml"

success = sftp.UploadFileByName(remoteFilePath,localFilePath)
If (success = 0) Then
    Debug.Print sftp.LastErrorText
    Exit Sub
End If

Debug.Print "Success."

 

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