LinkedIn auth for Titanium

LinkedInAuth.js

/*
 * LinkedIn account authentfication library / module
 * by Miroslav Magda, blog.ejci.net,
 *
 *
 * Copyright 2012 Miroslav Magda
 *
 * All code is open source and dual licensed under GPL and MIT. Check the individual licenses for more information.
 */

/*
 * LinkedIn authentification for Titanium
 * based on: https://github.com/ejci/Google-Auth-for-Titanium
 * Check also https://code.google.com/apis/console/
 */

var LinkedInAuth = function(o) {
	var _version = '0.3.2';
	o = (o) ? o : {};
	var _opt = {
		clientId : (o.clientId) ? o.clientId : null,
		clientSecret : (o.clientSecret) ? o.clientSecret : null,
		propertyName : (o.propertyName) ? o.propertyName : 'linkedinToken',
		url : 'https://www.linkedin.com/uas/oauth2/authorization',
		scope : (o.scope) ? o.scope : ['r_basicprofile'],
		closeTitle : (o.closeTitle) ? o.closeTitle : 'Close',
		errorText : (o.errorText) ? o.errorText : 'Can not authorize user!',
		quiet : ( typeof (o.quiet) === 'undefined') ? true : o.quiet,
	};
	var log = function() {
	};
	log.error = function(t) {
		if (!_opt.quiet) {
			Ti.API.error('' + t);
		}
	};
	log.info = function(t) {
		if (!_opt.quiet) {
			Ti.API.info(t);
		}
	};
	log.debug = function(t) {
		if (!_opt.quiet) {
			Ti.API.debug('' + t);
		}
	};
	log.trace = function(t) {
		if (!_opt.quiet) {
			Ti.API.trace('' + t);
		}
	};
	//UTILS

	log.info('-------------------------------------');
	log.info('| LinkedIn Account Authentification   |');
	log.info('| Titanium Module (v.:' + _version + ')        |');
	log.info('| by Miroslav Magda                 |');
	log.info('-------------------------------------');

	var win;

	var _prop = {};
	_prop.accessToken = null;
	_prop.refreshToken = null;
	_prop.tokenType = null;
	_prop.expiresIn = 0;

	var prop = {};
	prop = getProps();

	if (prop.expiresIn >= (new Date()).getTime()) {
		log.info('LinkedInAuth: Access code valid');
		_prop = prop;
	}/*else {
	 log.info('LinkedInAuth: Access code not valid. Refreshing...');
	 _prop = prop;
	 refreshToken();
	 }*/
	function reset() {
		Ti.App.Properties.removeProperty(_opt.propertyName + '.accessToken');
		Ti.App.Properties.removeProperty(_opt.propertyName + '.refreshToken');
		Ti.App.Properties.removeProperty(_opt.propertyName + '.tokenType');
		Ti.App.Properties.removeProperty(_opt.propertyName + '.expiresIn');
	}

	function getProps() {
		var p = {};
		p.accessToken = Ti.App.Properties.getString(_opt.propertyName + '.accessToken');
		p.refreshToken = Ti.App.Properties.getString(_opt.propertyName + '.refreshToken');
		p.tokenType = Ti.App.Properties.getString(_opt.propertyName + '.tokenType');
		p.expiresIn = Ti.App.Properties.getString(_opt.propertyName + '.expiresIn');
		return p;
	}

	function authorize(cb) {
		cb = (cb) ? cb : function() {
		};
		var url = prepareUrl();
		
		Ti.Platform.openURL(url);
	}

	/**
	 * Refresh token
	 */
	function refreshToken(cbSuccess, cbError) {
		log.info('LinkedInAuth: Access code not valid. Refreshing...');
		cbSuccess = (cbSuccess) ? cbSuccess : function() {
		};
		cbError = (cbError) ? cbError : function() {
		};
		var xhr = Ti.Network.createHTTPClient({
			// function called when the response data is available
			onload : function(e) {
				//log.info("Received text: " + this.responseText);
				var resp = JSON.parse(this.responseText);
				resp.expires_in = parseFloat(resp.expires_in, 10) * 1000 + (new Date()).getTime();
				Ti.App.Properties.setString(_opt.propertyName + '.accessToken', resp.access_token);
				Ti.App.Properties.setString(_opt.propertyName + '.tokenType', resp.token_type);
				Ti.App.Properties.setString(_opt.propertyName + '.expiresIn', resp.expires_in);
				_prop.accessToken = resp.access_token;
				_prop.tokenType = resp.token_type;
				_prop.expiresIn = resp.expires_in;
				log.debug(_prop);
				cbSuccess();
			},
			// function called when an error occurs, including a timeout
			onerror : function(e) {
				log.info(e.error);
				log.info(e.responseText);
				cbError();
				//ERROR
				Titanium.UI.createAlertDialog({
					title : 'Error',
					message : _opt.errorText
				});
				
				//authorize();

			},
			timeout : 5000 /* in milliseconds */
		});
		// Prepare the connection.
		xhr.open("POST", _opt.url);
		xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		var d = {
			client_id : _opt.clientId,
			client_secret : _opt.clientSecret,
			refresh_token : _prop.refreshToken,
			grant_type : 'refresh_token'
		};
		// Send the request.
		xhr.send(d);
	}

	/**
	 * Get TOKEN
	 */
	function getToken(code, cb) {
		cb = (cb) ? cb : function() {
		};
		var xhr = Ti.Network.createHTTPClient({
			// function called when the response data is available
			onload : function(e) {
				//log.info("Received text: " + this.responseText);
				var resp = JSON.parse(this.responseText);
				log.info(resp.expires_in);
				resp.expires_in = parseFloat(resp.expires_in, 10) * 1000 + (new Date()).getTime();
				log.info(resp.expires_in);
				Ti.App.Properties.setString(_opt.propertyName + '.accessToken', resp.access_token);
				Ti.App.Properties.setString(_opt.propertyName + '.refreshToken', resp.refresh_token);
				Ti.App.Properties.setString(_opt.propertyName + '.tokenType', resp.token_type);
				Ti.App.Properties.setString(_opt.propertyName + '.expiresIn', resp.expires_in);
				_prop.accessToken = resp.access_token;
				_prop.refreshToken = resp.refresh_token;
				_prop.tokenType = resp.token_type;
				_prop.expiresIn = resp.expires_in;
				log.debug(_prop);
				//alert('success');
				//callback
				cb();
			},
			// function called when an error occurs, including a timeout
			onerror : function(e) {
				//log.info(e.error);
				//log.info(e.responseText);
				//TODO: show some error message
				Titanium.UI.createAlertDialog({
					title : 'Error',
					message : _opt.errorText
				});
			},
			timeout : 5000 /* in milliseconds */
		});
		// Prepare the connection.
		xhr.open("POST", 'https://www.linkedin.com/uas/oauth2/accessToken');
		xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		var d = {
			code : code,
			client_id : _opt.clientId,
			client_secret : _opt.clientSecret,
			redirect_uri : 'http://www.yoursite.com/mobileredirect/', // TODO: you need a public web URL that will redirect to your app's URL pattern, like myapp://
			grant_type : 'authorization_code'
		};
		// Send the request.
		xhr.send(d);
	}

	/**
	 * Prepare url from options
	 */
	function prepareUrl() {
		//encodeURIComponent(_opt.scope.join('+'))
		var scope = [];
		for (var i = 0; i < _opt.scope.length; i++) {
			scope[i] = encodeURIComponent(_opt.scope[i]);
		}
//		var url = _opt.url + '?' + 'approval_prompt=force&scope=' + scope.join('+') + '&' + 'redirect_uri=urn:ietf:wg:oauth:2.0:oob' + '&' + 'response_type=code' + '&' + 'client_id=' + _opt.clientId + '&' + 'btmpl=mobile' + '';
		var url = _opt.url + '?' + 'approval_prompt=force&scope=' + scope.join('+') + '&' + 'redirect_uri=http%3A%2F%yoursite.com%mobileredirect%2F' + '&' + 'response_type=code' + '&' + 'client_id=' + _opt.clientId + '&' + 'btmpl=mobile' + '&' + 'state=iuq873iyhjks' + ''; // TODO: you need a public web URL that will redirect to your app's URL pattern, like myapp://
		if (_opt.loginHint) {
            url = url + '&' + 'login_hint=' + encodeURIComponent(_opt.loginHint);
        }
		log.debug(url);
		return url;
	}

	function isAuthorized(cbSuccess, cbError) {
		cbSuccess = (cbSuccess) ? cbSuccess : function() {
		};
		cbError = (cbError) ? cbError : function() {
		};
		_prop = getProps();
		log.debug('Properties: ' + JSON.stringify(_prop));
		if (_prop.accessToken != null && _prop.accessToken != '') {
			if (_prop.expiresIn < (new Date()).getTime()) {
				refreshToken(cbSuccess, cbError);
			} else {
				cbSuccess();
			}
			return true;
		} else {
			cbError();
		}

		return false;
	}

	function getAccessToken() {
		return _prop.accessToken;
	}

	return {
		isAuthorized : isAuthorized,
		processCode : getToken,
		getAccessToken : getAccessToken,
		refreshToken : refreshToken,
		authorize : authorize,
		version : _version,
		reset : reset,
	};
};

module.exports = LinkedInAuth;

can you give me an example for how to call the app from website? even I can do it, but seems the parameters also can't pass to the app, and the linkedin also show the redirect url is invalid, i have changed to my website's link