Node.js

Duplicate Java Secure Token Creation

See more RSA Examples

Demonstrates how to duplicate some Java code that creates an RSA signature to create a base64 token. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    //  This example duplicates the following Java code:

    //  public X509Certificate2 cert = new X509Certificate2(@"Some path to p12/p12file_name.p12","Password_for_p12"); 
    //  
    //  public string GenerateSignToken(double timeValidityMin){ 
    //    string equalsSign = ":="; 
    //    string timeCreated = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ss.fffzzz"); 
    //    string tokenTimeInfo = "validityTimeMinutes" + equalsSign + timeValidityMin + ";"+"timeCreated" + equalsSign + timeCreated; 
    //    string signature = SignData(tokenTimeInfo); 
    //    string secureToken = tokenTimeInfo + ";" + "signature" + equalsSign + signature; 
    //    return Base64UrlEncode(secureToken); 
    //  } 
    //   
    //  public string SignData(string stringToSign){ 
    //    byte[] dataToSign = Encoding.UTF8.GetBytes(stringToSign); 
    //    RSACryptoServiceProvider privKey = (RSACryptoServiceProvider)cert.PrivateKey; 
    //    CspKeyContainerInfo containerInfo = new RSACryptoServiceProvider().CspKeyContainerInfo; 
    //    CspParameters cspparams = new CspParameters(containerInfo.ProviderType, containerInfo.ProviderName, privKey.CspKeyContainerInfo.KeyContainerName); 
    //    privKey = new RSACryptoServiceProvider(cspparams); 
    //    string id = CryptoConfig.MapNameToOID("SHA256"); 
    //    byte[] sign = privKey.SignData(dataToSign, id); 
    //    bool res = privKey.VerifyData(dataToSign, id, sign); 
    //    return Convert.ToBase64String(sign).Replace('+', '-').Replace('/', '_').Replace("=", ""); 
    //  } 
    //   
    //  private static string Base64UrlEncode(string input){ 
    //    var inputBytes = Encoding.UTF8.GetBytes(input); 
    //    return Convert.ToBase64String(inputBytes).Replace('+', '-').Replace('/', '_').Replace("=", ""); 
    //  } 

    var dt = new chilkat.CkDateTime();
    dt.SetFromCurrentSystemTime();
    var timeCreated = dt.GetAsTimestamp(true);

    //  Such as 2019-04-01T19:35:44-05:00
    console.log(timeCreated);

    var sbToken = new chilkat.StringBuilder();
    sbToken.Append("validityTimeMinutes:=10.0;timeCreated:=");
    sbToken.Append(timeCreated);

    var cert = new chilkat.Cert();
    success = cert.LoadPfxFile("Some path to p12/p12file_name.p12","Password_for_p12");
    if (success !== true) {
        console.log(cert.LastErrorText);
        return;
    }

    var rsa = new chilkat.Rsa();
    success = rsa.SetX509Cert(cert,true);
    if (success !== true) {
        console.log(rsa.LastErrorText);
        return;
    }

    rsa.EncodingMode = "base64url";

    var signature = rsa.SignStringENC(sbToken.GetAsString(),"sha256");
    if (rsa.LastMethodSuccess == false) {
        console.log(rsa.LastErrorText);
        return;
    }

    sbToken.Append(";signature:=");
    sbToken.Append(signature);

    //  Base64URL encode the result
    sbToken.Encode("base64url","utf-8");
    var token = sbToken.GetAsString();

    console.log(token);

}

chilkatExample();