(Node.js) FTPS with Mutual TLS Authentication (TLS Client Certificate)

Demonstrates how to do mutual TLS authentication (using a client certificate from a .pfx/.p12).

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

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

    var ftp = new chilkat.Ftp2();

    ftp.Hostname = "ftp.example.com";
    ftp.Port = 21;

    // If using implicit TLS, you probably want port 990..
    ftp.Port = 990;

    // Set this to false for implicit TLS, otherwise set to true for explicit TLS (where port is typically 21).
    ftp.AuthTls = false;

    // Set this to true for implicit TLS, otherwise set to false.
    ftp.Ssl = true;

    var cert = new chilkat.Cert();
    var success = cert.LoadPfxFile("qa_data/pfx/example.pfx","pfx_password");
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    // Use this certificate for our TLS mutually authenticated connection:
    success = ftp.SetSslClientCert(cert);
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    // Establish the TLS connection with the FTP server.
    success = ftp.ConnectOnly();
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    // If a login is required, then login with the FTP account login/password.
    ftp.Username = "myLogin";
    ftp.Password = "myPassword";
    success = ftp.LoginAfterConnectOnly();
    if (success == false) {
        console.log(ftp.LastErrorText);
        return;
    }

    // Do whatever you're doing to do ...
    // upload files, download files, etc...

    // .....
    // .....

    success = ftp.Disconnect();

}

chilkatExample();