(Node.js) Convert CRL PEM to XML

Loads a CRL (Certificate Revocation List) from the PEM file format and converts to XML to allow for visual examination and parsing.

Note: This example requires Chilkat v9.5.0.77 or greater.

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() {

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

    // This example requires Chilkat v9.5.0.77 or greater.
    var pem = new chilkat.Pem();

    pem.VerboseLogging = true;
    var success = pem.LoadPemFile("qa_data/crl/sampleCrl.pem","password_not_used");
    if (success !== true) {
        console.log(pem.LastErrorText);
        return;
    }

    var numCrls = pem.NumCrls;
    var i = 0;

    var asn = new chilkat.Asn();
    var xml = new chilkat.Xml();
    while (i < numCrls) {

        // Get the CRL as base64 (multi-line)
        var crlBase64 = pem.GetEncodedItem("crl","","base64_mime",i);
        if (pem.LastMethodSuccess !== true) {
            console.log(pem.LastErrorText);
            return;
        }

        console.log(crlBase64);

        success = asn.LoadEncoded(crlBase64,"base64");
        if (success !== true) {
            console.log(asn.LastErrorText);
            return;
        }

        // Convert ASN.1 to XML and load into xml and re-emit for pretty printing..
        xml.LoadXml(asn.AsnToXml());
        console.log(xml.GetXml());

        // Use this online tool to generate parsing code from CRL XML: 
        // Generate Parsing Code from XML

        console.log("-------------------------------------");
        i = i+1;
    }


}

chilkatExample();