(Node.js) Download and Trust the DigiCert Global Root CA

Demonstrates how to download a root certificate and trust it.

For more information, see https://www.digicert.com/digicert-root-certificates.htm

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

    // In this example, the URLs for the DigiCert root CA certs are available at this web page:
    // https://www.digicert.com/digicert-root-certificates.htm

    // This example downloads the "DigiCert Global Root G3"
    // Valid until: 15/Jan/2038
    // Serial #: 05:55:56:BC:F2:5E:A4:35:35:C3:A4:0F:D5:AB:45:72
    // Thumbprint: 7E04DE896A3E666D00E687D33FFAD93BE83D349E

    var certUrl = "https://dl.cacerts.digicert.com/DigiCertGlobalRootG3.crt";

    var http = new chilkat.Http();
    var bdCert = new chilkat.BinData();
    var success = http.DownloadBd(certUrl,bdCert);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    // Load it into a Chilkat cert object.
    var cert = new chilkat.Cert();
    success = cert.LoadFromBd(bdCert);
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    // Examine the common name,serial, and thumbprint:
    console.log("CN: " + cert.SubjectCN);
    console.log("Serial: " + cert.SerialNumber);
    console.log("Thumbprint: " + cert.Sha1Thumbprint);

    // Output from the above:
    // CN: DigiCert Global Root G3
    // Serial: 055556BCF25EA43535C3A40FD5AB4572
    // Thumbprint: 7E04DE896A3E666D00E687D33FFAD93BE83D349E

    // If desired, the certificate can be saved to a local file so it does not need
    // to be downloaded from the website every time.  
    var certPath = "qa_data/certs/DigiCertGlobalRootG3.crt";
    success = bdCert.WriteFile(certPath);

    // To load the cert from a file...
    success = cert.LoadFromFile(certPath);

    // Do the following to add the cert to the collection of trusted roots
    // for this application.  (Note:  The trust is not persisted.  Each time the
    // application runs, it should load the cert (from whatever source, whether it is
    // a file, a database,etc.) and do the following:
    var troots = new chilkat.TrustedRoots();

    troots.AddCert(cert);
    troots.Activate();

    console.log(cert.SubjectCN + " is now trusted for this run of this application.");

}

chilkatExample();