PureBasic

AWS Transfer for SFTP (Amazon S3)

See more SFTP Examples

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). PureBasic

IncludeFile "CkSshKey.pb"
IncludeFile "CkSFtp.pb"

Procedure ChilkatExample()

    success.i = 0

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

    sftp.i = CkSFtp::ckCreate()
    If sftp.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Connect to the AWS SFTP server.
    ; Change the domain to your value.
    domain.s = "s-123456df999999fab.server.transfer.eu-west-2.amazonaws.com"
    port.i = 22
    success = CkSFtp::ckConnect(sftp,domain,port)
    If success = 0
        Debug CkSFtp::ckLastErrorText(sftp)
        CkSFtp::ckDispose(sftp)
        ProcedureReturn
    EndIf

    ; Load your AWS SFTP private key PEM file..
    sshKey.i = CkSshKey::ckCreate()
    If sshKey.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    keyText.s = CkSshKey::ckLoadText(sshKey,"qa_data/pem/s3_sftp_privateKey.pem")
    If CkSshKey::ckLastMethodSuccess(sshKey) <> 1
        Debug CkSshKey::ckLastErrorText(sshKey)
        CkSFtp::ckDispose(sftp)
        CkSshKey::ckDispose(sshKey)
        ProcedureReturn
    EndIf

    success = CkSshKey::ckFromOpenSshPrivateKey(sshKey,keyText)
    If success = 0
        Debug CkSshKey::ckLastErrorText(sshKey)
        CkSFtp::ckDispose(sftp)
        CkSshKey::ckDispose(sshKey)
        ProcedureReturn
    EndIf

    ; Authenticate with the SSH server using the private key.
    success = CkSFtp::ckAuthenticatePk(sftp,"myUsername",sshKey)
    If success = 0
        Debug CkSFtp::ckLastErrorText(sftp)
        CkSFtp::ckDispose(sftp)
        CkSshKey::ckDispose(sshKey)
        ProcedureReturn
    EndIf

    ; After authenticating, the SFTP subsystem must be initialized:
    success = CkSFtp::ckInitializeSftp(sftp)
    If success = 0
        Debug CkSFtp::ckLastErrorText(sftp)
        CkSFtp::ckDispose(sftp)
        CkSshKey::ckDispose(sshKey)
        ProcedureReturn
    EndIf

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

    success = CkSFtp::ckUploadFileByName(sftp,remoteFilePath,localFilePath)
    If success = 0
        Debug CkSFtp::ckLastErrorText(sftp)
        CkSFtp::ckDispose(sftp)
        CkSshKey::ckDispose(sshKey)
        ProcedureReturn
    EndIf

    Debug "Success."


    CkSFtp::ckDispose(sftp)
    CkSshKey::ckDispose(sshKey)


    ProcedureReturn
EndProcedure