(Node.js) Find Certificate by Email Address

Locate the certificate containing the specified email address in either the RFC822 Name or the Subject.

Note: This example requires Chilkat v10.1.2 or later.

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() {

    var certStore = new chilkat.CertStore();

    // This opens the Current User certificate store on Windows,
    // On MacOS and iOS it opens the default Keychain.
    var readOnly = true;
    var success = certStore.OpenCurrentUserStore(readOnly);
    if (success == false) {
        console.log(certStore.LastErrorText);
        return;
    }

    // Locate the certificate containing the specified email address in either the RFC822 Name or the Subject.
    var json = new chilkat.JsonObject();
    var email_address = "harold@example.com";
    json.UpdateString("email",email_address);

    var cert = new chilkat.Cert();
    success = certStore.FindCert(json,cert);
    if (success == true) {
        // Show the full distinguished name of the certificate.
        console.log("Found: " + cert.SubjectDN);
    }
    else {
        console.log("Not found.");
    }


}

chilkatExample();