Decode JWT in Axway Titanium

appc_func_decode-jwt.js

/**
* token
* claim = "registered" || "public" || "private"
*/
exports.decodeJWT = function(token, claim) {
	var base64Url;
	if (claim == "registered") {
		base64Url = token.split('.')[0];
	} else if (claim == "private") {
		base64Url = token.split('.')[2];
	} else {
		base64Url = token.split('.')[1];
	}
	var base64 = base64Url.replace(/-/g, '+').replace(/_/g, '/');
	var utf8 = Ti.Utils.base64decode(base64);
	var json = JSON.parse(utf8);
  	return json;
};