Node.js

FTP Connect, Examine Server Certificate, and then Authenticate

See more FTP Examples

Demonstrates how to connect to an FTP server, examine the server's SSL/TLS certificate, and then, if it meets the application's security requirements, proceed to authenticate. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example assumes Chilkat Ftp2 to have been previously unlocked.
    //  See Unlock Ftp2 for sample code.

    var ftp = new chilkat.Ftp2();

    ftp.Hostname = "www.authtls-ftps-server.com";
    ftp.Username = "FTP_LOGIN";
    ftp.Password = "FTP_PASSWORD";
    ftp.AuthTls = true;
    ftp.Port = 21;

    //  Connect to the FTP server using explicit TLS (AUTH TLS).
    success = ftp.ConnectOnly();
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    //  Get the FTP server's certificate.
    var serverCert = new chilkat.Cert();
    success = ftp.GetServerCert(serverCert);
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    //  Now that we have the certificate, we can check it in any way we desire.
    //  (See the online reference documentation for the certificate object's methods
    //  and properties)...

    //  Assuming the certificate is OK, proceed to authenticate with the FTP server.
    success = ftp.LoginAfterConnectOnly();
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    //  Proceed with uploading/download files, etc...
    //  

    ftp.Disconnect();
    console.log("Success.");

}

chilkatExample();