Chilkat Examples

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Swift 3,4,5... Examples

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(Swift 3,4,5...) 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 Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let sftp = CkoSFtp()!

    // Connect to the AWS SFTP server.
    // Change the domain to your value.
    var domain: String? = "s-123456df999999fab.server.transfer.eu-west-2.amazonaws.com"
    var port: Int = 22
    var success: Bool = sftp.connect(domain, port: port)
    if success == false {
        print("\(sftp.lastErrorText!)")
        return
    }

    // Load your AWS SFTP private key PEM file..
    let sshKey = CkoSshKey()!
    var keyText: String? = sshKey.loadText("qa_data/pem/s3_sftp_privateKey.pem")
    if sshKey.lastMethodSuccess != true {
        print("\(sshKey.lastErrorText!)")
        return
    }

    success = sshKey.fromOpenSshPrivateKey(keyText)
    if success == false {
        print("\(sshKey.lastErrorText!)")
        return
    }

    // Authenticate with the SSH server using the private key.
    success = sftp.authenticatePk("myUsername", privateKey: sshKey)
    if success == false {
        print("\(sftp.lastErrorText!)")
        return
    }

    // After authenticating, the SFTP subsystem must be initialized:
    success = sftp.initializeSftp()
    if success == false {
        print("\(sftp.lastErrorText!)")
        return
    }

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

    success = sftp.uploadFile(byName: remoteFilePath, localFilePath: localFilePath)
    if success == false {
        print("\(sftp.lastErrorText!)")
        return
    }

    print("Success.")

}

 

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