(Node.js) SSL Client Certificate

Demonstrates how to connect to an SSL server using a client-side certificate, send a simple message, receive a simple response, and disconnect.

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 socket = new chilkat.Socket();

    // Create an instance of a certificate store object, load a PFX file,
    // locate the certificate we need, and use it for signing.
    // (a PFX file may contain more than one certificate.)
    var certStore = new chilkat.CertStore();
    // The 1st argument is the filename, the 2nd arg is the 
    // PFX file's password:
    var success = certStore.LoadPfxFile("chilkat_secret.pfx","secret");
    if (success !== true) {
        console.log(certStore.LastErrorText);
        return;
    }

    // cert: Cert
    var cert;
    cert = certStore.FindCertBySubjectCN("Chilkat Software, Inc.");
    if (certStore.LastMethodSuccess == false) {
        console.log(certStore.LastErrorText);
        return;
    }

    success = socket.SetSslClientCert(cert);

    var ssl = true;
    var maxWaitMillisec = 20000;

    // The SSL server hostname may be an IP address, a domain name,
    // or "localhost".  You'll need to change this:
    var sslServerHost;
    sslServerHost = "123.123.88.88";
    var sslServerPort = 8123;

    // Connect to the SSL server:
    success = socket.Connect(sslServerHost,sslServerPort,ssl,maxWaitMillisec);
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    // Set maximum timeouts for reading an writing (in millisec)
    socket.MaxReadIdleMs = 20000;
    socket.MaxSendIdleMs = 20000;

    // Send a "Hello Server! -EOM-" message:
    success = socket.SendString("Hello Server! -EOM-");
    if (success !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    // The server (in this example) is going to send a "Hello Client! -EOM-" 
    // message.  Read it:
    var receivedMsg = socket.ReceiveUntilMatch("-EOM-");
    if (socket.LastMethodSuccess !== true) {
        console.log(socket.LastErrorText);
        return;
    }

    // Close the connection with the server
    // Wait a max of 20 seconds (20000 millsec)
    success = socket.Close(20000);

    console.log(receivedMsg);

}

chilkatExample();