(Node.js) Get Certificate Valid To/From Dates

Demonstrates how to get the certificate "valid from" and "valid to" dates.

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() {

    var cert = new chilkat.Cert();

    var success = cert.LoadFromFile("qa_data/certs/testCert.cer");
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    // Get the certificate valid-from date/time
    // ckdt: CkDateTime
    var ckdt = cert.GetValidFromDt();
    // Get the local timestamp string.
    console.log("Valid from: " + ckdt.GetAsTimestamp(true));
    // Valid from: 2017-03-17T19:00:00-05:00

    // Now get the date/time as another object where we can get the individual numeric date parts.
    // dt: DtObj
    var dt = ckdt.GetDtObj(true);
    console.log(dt.Day + "/" + dt.Month + "/" + dt.Year + "  " + dt.Hour + ":" + dt.Minute);

    // Get the certificate valid-to date/time
    ckdt = cert.GetValidToDt();
    console.log("Valid to: " + ckdt.GetAsTimestamp(true));
    // Valid to: 2020-03-18T18:59:59-05:00
    dt = ckdt.GetDtObj(true);
    console.log(dt.Day + "/" + dt.Month + "/" + dt.Year + "  " + dt.Hour + ":" + dt.Minute);


}

chilkatExample();