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JavaScript

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

See more HTTP Examples

Demonstrates how to get the HTTP server certificate, its certificate chain, and the root CA certificate.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.
JavaScript
var success = false;

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

var http = new CkHttp();

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

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

var cert = new CkCert();
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 CkCert();
    certChain.CertAt(numCerts - 1,caCert);
    console.log("CA Root Cert: " + caCert.SubjectDN);
}