(Node.js) bitzlato.com whoami

Demonstrates sending a request to the bitzlato.com whoami endpoint using an ES256 JWT token for authentication.

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() {

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

    var success;

    //  Use the following ECC key loaded from JWK format.
    var jwk = new chilkat.JsonObject();
    success = jwk.UpdateString("kty","EC");
    success = jwk.UpdateString("crv","P-256");
    success = jwk.UpdateString("x","...");
    success = jwk.UpdateString("y","...");
    success = jwk.UpdateString("d","...");

    var eccKey = new chilkat.PrivateKey();
    success = eccKey.LoadJwk(jwk.Emit());
    if (success == false) {
        console.log(eccKey.LastErrorText);
        return;
    }

    var jwt = new chilkat.Jwt();

    // Build the JOSE header
    var jose = new chilkat.JsonObject();
    success = jose.AppendString("format","compact");
    success = jose.AppendString("alg","ES256");

    // Now build the JWT claims (also known as the payload)

    // Our JWT claims will contain members as shown here:

    // 	{
    // 	  "email":"your_email@example.com",
    // 	  "aud":"usr",
    // 	  "iat":"1588286154",
    // 	  "jti":"555D9123"
    // 	}

    var claims = new chilkat.JsonObject();
    claims.AppendString("jti","555D9123");
    claims.AppendString("email","your_email@example.com");

    // Set the timestamp of when the JWT was created to now minus 60 seconds
    var curDateTime = jwt.GenNumericDate(-60);
    success = claims.AddIntAt(-1,"iat",curDateTime);

    // Set the "not process before" timestamp to now minus 60 seconds
    success = claims.AddIntAt(-1,"nbf",curDateTime);

    // Set the timestamp defining an expiration time (end time) for the token
    // to be now + 1 hour (3600 seconds)
    success = claims.AddIntAt(-1,"exp",curDateTime+3600);

    claims.AppendString("aud","usr");

    // Produce the smallest possible JWT:
    jwt.AutoCompact = true;

    // Create the JWT token.  This is where the RSA signature is created.
    var jwt_token = jwt.CreateJwtPk(jose.Emit(),claims.Emit(),eccKey);

    console.log(jwt_token);

    // Send the HTTPS GET with the jwt_token used for Authorization.
    var http = new chilkat.Http();
    http.AuthToken = jwt_token;
    var responseStr = http.QuickGetStr("https://bitzlato.com/api/auth/whoami");
    if (http.LastMethodSuccess == false) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("status code = " + http.LastStatus);
    console.log(responseStr);

}

chilkatExample();