Node.js

Get the Server Certificate, Certificate Chain, and Root CA Certificate

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Demonstrates how to get the HTTP server certificate, its certificate chain, and the root CA certificate. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var http = new chilkat.Http();

    // We're getting the SSL/TLS certificate, so make sure to connect to the SSL/TLS port (443).
    var sslCert = new chilkat.Cert();
    success = http.GetServerCert("apple.com",443,sslCert);
    if (success == false) {
        console.log(http.LastErrorText);
        return;
    }

    var certChain = new chilkat.CertChain();
    success = sslCert.BuildCertChain(certChain);
    if (success == false) {
        console.log(sslCert.LastErrorText);
        return;
    }

    var cert = new chilkat.Cert();
    var i = 0;
    var numCerts = certChain.NumCerts;
    while (i < numCerts) {
        certChain.CertAt(i,cert);
        console.log("SubjectDN " + i + ": " + cert.SubjectDN);
        console.log("IssuerDN " + i + ": " + cert.IssuerDN);
        i = i+1;
    }

    // If the certificate chain reaches the root CA cert, then the last cert in the chain
    // is the root CA cert.
    if (certChain.ReachesRoot == true) {
        var caCert = new chilkat.Cert();
        certChain.CertAt(numCerts - 1,caCert);
        console.log("CA Root Cert: " + caCert.SubjectDN);
    }


}

chilkatExample();