(Node.js) Load PEM and List Certificates

Demonstrates how to load a PEM containing certificates and accesses each individual certificate.

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

var os = require('os');
if (os.platform() == 'win32') {  
  var chilkat = require('@chilkat/ck-node23-win64'); 
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node23-linux-arm');
    } else if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node23-linux-arm64');
    } else {
        var chilkat = require('@chilkat/ck-node23-linux-x64');
    }
} else if (os.platform() == 'darwin') {
  var chilkat = require('@chilkat/ck-node23-mac-universal');
}

function chilkatExample() {

    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    var chilkatGlob = new chilkat.Global();
    var success = chilkatGlob.UnlockBundle("Anything for 30-day trial.");
    if (success !== true) {
        console.log(chilkatGlob.LastErrorText);
        return;
    }

    var pem = new chilkat.Pem();

    // Load the .p7b from a file.
    success = pem.LoadPemFile("/Users/chilkat/testData/p7b/cacert_mozilla.pem");
    if (success !== true) {
        console.log(pem.LastErrorText);
        return;
    }

    var i;
    var numCerts = pem.NumCerts;
    if (numCerts == 0) {
        console.log((("Error: Expected the PEM to contain certificates.")));
        return;
    }

    // Access each certificate and show the Subject CN (Common Name)
    for (i = 1; i <= numCerts; i++) {
        // cert: Cert
        var cert = pem.GetCert(i - 1);
        console.log(i + ": " + cert.SubjectCN);

    }


}

chilkatExample();