[TIMOB-23751] Hyperloop iOS: Block callback arguments are null

/**
 * Appcelerator Titanium Mobile
 * Copyright (c) 2009-2014 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the Apache Public License
 * Please see the LICENSE included with this distribution for details.
 *
 */

// WARNING!
//
// THIS MODULE WILL ONLY RUN ON AN IOS 8 DEVICE
//

var TiTouchId = require('ti.touchid');

var win = Ti.UI.createWindow();

var btn = Ti.UI.createButton({
	title: 'authenticate'
});

win.add(btn);
win.open();

btn.addEventListener('click', function(){

	if(!TiTouchId.isSupported()) {
		alert("Touch ID is not supported on this device!");
		return;
	}

	TiTouchId.authenticate({
		reason: '#### We need your fingerprint to continue.',
		callback: function(e) {
			if (!e.success) {
				console.log("Success? - " + e.success);
                console.log("Error? - " + e.error);
                console.log("Code? - " + e.code);
			}
            else {
			  	// do something useful
				alert('YAY! success');
			}
		}
	});

});

/**
 * Ti.TouchID
 *
 * Summary:	Support native Touch ID with Hyperloop in Titanium Mobile.
 * Author: 	Hans Knoechel | Appcelerator, Inc
 * Date: 	03/22/2016
 * Version:	0.1.0
 * Example
 *
 *	var touchID = require("ti.touchid");
 *	if (touchID.isSupported()) {
 *		touchID.authenticate({
 *			reason : "Please verify to reset all devices",
 *			callback : function(e) {
 * 				Ti.API.warn("Success? - " + e.success);
 *				Ti.API.warn("Error? - " + e.error);
 *				Ti.API.warn("Code? - " + e.code);
 *			}
 *		});
 *	}
 */

var UIDevice = require("UIKit/UIDevice");
var NSNumericSearch = require("Foundation").NSNumericSearch;
var NSOrderedAscending = require("Foundation").NSOrderedAscending;
var LAContext = require('LocalAuthentication/LAContext');
var LocalAuthentication = require('LocalAuthentication/LocalAuthentication');
var context = new LAContext();

function isSupported() {
	var currentOSSupported = UIDevice.currentDevice().systemVersion.compareOptions("8.0", NSNumericSearch) != NSOrderedAscending;
	var touchIDSupported = context.canEvaluatePolicyError(LocalAuthentication.LAPolicyDeviceOwnerAuthenticationWithBiometrics);

	return currentOSSupported && touchIDSupported;
}

function authenticate(args) {
	var reason = args.reason || null;
	var callback = args.callback || null;

	if (!reason || !callback) {
		Ti.API.error("Ti.TouchID: Please provide a valid 'reason' and 'callback' parameter.");
		return;
	}

	context.evaluatePolicyLocalizedReasonReply(LocalAuthentication.LAPolicyDeviceOwnerAuthenticationWithBiometrics, reason, function(success, error) {
		var attrs = {
			success : success
		};

		if (error) {
			attrs["error"] = error.localizedDescription;
			attrs["code"] = error.code;
		}

		callback(attrs);
	});
}

exports.isSupported = isSupported;
exports.authenticate = authenticate;

[INFO]  Success? - null
[INFO]  Error? - undefined
[INFO]  Code? - undefined