hello.all.js

/*! hellojs v1.8.2 | (c) 2012-2015 Andrew Dodson | MIT https://adodson.com/hello.js/LICENSE */
// ES5 Object.create
if (!Object.create) {

	// Shim, Object create
	// A shim for Object.create(), it adds a prototype to a new object
	Object.create = (function() {

		function F() {}

		return function(o) {

			if (arguments.length != 1) {
				throw new Error('Object.create implementation only accepts one parameter.');
			}

			F.prototype = o;
			return new F();
		};

	})();

}

// ES5 Object.keys
if (!Object.keys) {
	Object.keys = function(o, k, r) {
		r = [];
		for (k in o) {
			if (r.hasOwnProperty.call(o, k))
				r.push(k);
		}

		return r;
	};
}

// ES5 [].indexOf
if (!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(s) {

		for (var j = 0; j < this.length; j++) {
			if (this[j] === s) {
				return j;
			}
		}

		return -1;
	};
}

// ES5 [].forEach
if (!Array.prototype.forEach) {
	Array.prototype.forEach = function(fun/*, thisArg*/) {

		if (this === void 0 || this === null) {
			throw new TypeError();
		}

		var t = Object(this);
		var len = t.length >>> 0;
		if (typeof fun !== 'function') {
			throw new TypeError();
		}

		var thisArg = arguments.length >= 2 ? arguments[1] : void 0;
		for (var i = 0; i < len; i++) {
			if (i in t) {
				fun.call(thisArg, t[i], i, t);
			}
		}

		return this;
	};
}

// ES5 [].filter
if (!Array.prototype.filter) {
	Array.prototype.filter = function(fun, thisArg) {

		var a = [];
		this.forEach(function(val, i, t) {
			if (fun.call(thisArg || void 0, val, i, t)) {
				a.push(val);
			}
		});

		return a;
	};
}

// Production steps of ECMA-262, Edition 5, 15.4.4.19
// Reference: http://es5.github.io/#x15.4.4.19
if (!Array.prototype.map) {

	Array.prototype.map = function(fun, thisArg) {

		var a = [];
		this.forEach(function(val, i, t) {
			a.push(fun.call(thisArg || void 0, val, i, t));
		});

		return a;
	};
}

// ES5 isArray
if (!Array.isArray) {

	// Function Array.isArray
	Array.isArray = function(o) {
		return Object.prototype.toString.call(o) === '[object Array]';
	};

}

// Test for location.assign
if (typeof window === 'object' && typeof window.location === 'object' && !window.location.assign) {

	window.location.assign = function(url) {
		window.location = url;
	};

}

// Test for Function.bind
if (!Function.prototype.bind) {

	// MDN
	// Polyfill IE8, does not support native Function.bind
	Function.prototype.bind = function(b) {

		if (typeof this !== 'function') {
			throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
		}

		function C() {}

		var a = [].slice;
		var f = a.call(arguments, 1);
		var _this = this;
		var D = function() {
			return _this.apply(this instanceof C ? this : b || window, f.concat(a.call(arguments)));
		};

		C.prototype = this.prototype;
		D.prototype = new C();

		return D;
	};

}

/**
 * @hello.js
 *
 * HelloJS is a client side Javascript SDK for making OAuth2 logins and subsequent REST calls.
 *
 * @author Andrew Dodson
 * @website https://adodson.com/hello.js/
 *
 * @copyright Andrew Dodson, 2012 - 2015
 * @license MIT: You are free to use and modify this code for any use, on the condition that this copyright notice remains.
 */

var hello = function(name) {
	return hello.use(name);
};

hello.utils = {

	// Extend the first object with the properties and methods of the second
	extend: function(r /*, a[, b[, ...]] */) {

		// Get the arguments as an array but ommit the initial item
		Array.prototype.slice.call(arguments, 1).forEach(function(a) {
			if (r instanceof Object && a instanceof Object && r !== a) {
				for (var x in a) {
					r[x] = hello.utils.extend(r[x], a[x]);
				}
			}
			else {
				r = a;
			}
		});

		return r;
	}
};

// Core library
hello.utils.extend(hello, {

	settings: {

		// OAuth2 authentication defaults
		redirect_uri: window.location.href.split('#')[0],
		response_type: 'token',
		display: 'popup',
		state: '',

		// OAuth1 shim
		// The path to the OAuth1 server for signing user requests
		// Want to recreate your own? Checkout https://github.com/MrSwitch/node-oauth-shim
		oauth_proxy: 'https://auth-server.herokuapp.com/proxy',

		// API timeout in milliseconds
		timeout: 20000,

		// Popup Options
		popup: {
			resizable: 1,
			scrollbars: 1,
			width: 500,
			height: 550
		},

		// Default service / network
		default_service: null,

		// Force authentication
		// When hello.login is fired.
		// (null): ignore current session expiry and continue with login
		// (true): ignore current session expiry and continue with login, ask for user to reauthenticate
		// (false): if the current session looks good for the request scopes return the current session.
		force: null,

		// Page URL
		// When 'display=page' this property defines where the users page should end up after redirect_uri
		// Ths could be problematic if the redirect_uri is indeed the final place,
		// Typically this circumvents the problem of the redirect_url being a dumb relay page.
		page_uri: window.location.href
	},

	// Service configuration objects
	services: {},

	// Use
	// Define a new instance of the HelloJS library with a default service
	use: function(service) {

		// Create self, which inherits from its parent
		var self = Object.create(this);

		// Inherit the prototype from its parent
		self.settings = Object.create(this.settings);

		// Define the default service
		if (service) {
			self.settings.default_service = service;
		}

		// Create an instance of Events
		self.utils.Event.call(self);

		return self;
	},

	// Initialize
	// Define the client_ids for the endpoint services
	// @param object o, contains a key value pair, service => clientId
	// @param object opts, contains a key value pair of options used for defining the authentication defaults
	// @param number timeout, timeout in seconds
	init: function(services, options) {

		var utils = this.utils;

		if (!services) {
			return this.services;
		}

		// Define provider credentials
		// Reformat the ID field
		for (var x in services) {if (services.hasOwnProperty(x)) {
			if (typeof (services[x]) !== 'object') {
				services[x] = {id: services[x]};
			}
		}}

		// Merge services if there already exists some
		utils.extend(this.services, services);

		// Format the incoming
		for (x in this.services) {
			if (this.services.hasOwnProperty(x)) {
				this.services[x].scope = this.services[x].scope || {};
			}
		}

		//
		// Update the default settings with this one.
		if (options) {
			utils.extend(this.settings, options);

			// Do this immediatly incase the browser changes the current path.
			if ('redirect_uri' in options) {
				this.settings.redirect_uri = utils.url(options.redirect_uri).href;
			}
		}

		return this;
	},

	// Login
	// Using the endpoint
	// @param network stringify       name to connect to
	// @param options object    (optional)  {display mode, is either none|popup(default)|page, scope: email,birthday,publish, .. }
	// @param callback  function  (optional)  fired on signin
	login: function() {

		// Create an object which inherits its parent as the prototype and constructs a new event chain.
		var _this = this;
		var utils = _this.utils;
		var error = utils.error;
		var promise = utils.Promise();

		// Get parameters
		var p = utils.args({network: 's', options: 'o', callback: 'f'}, arguments);

		// Local vars
		var url;

		// Merge/override options with app defaults
		var opts = p.options = utils.merge(_this.settings, p.options || {});

		// Merge/override options with app defaults
		opts.popup = utils.merge(_this.settings.popup, p.options.popup || {});

		// Network
		p.network = p.network || _this.settings.default_service;

		// Bind callback to both reject and fulfill states
		promise.proxy.then(p.callback, p.callback);

		// Trigger an event on the global listener
		function emit(s, value) {
			hello.emit(s, value);
		}

		promise.proxy.then(emit.bind(this, 'auth.login auth'), emit.bind(this, 'auth.failed auth'));

		// Is our service valid?
		if (typeof (p.network) !== 'string' || !(p.network in _this.services)) {
			// Trigger the default login.
			// Ahh we dont have one.
			return promise.reject(error('invalid_network', 'The provided network was not recognized'));
		}

		var provider = _this.services[p.network];

		// Create a global listener to capture events triggered out of scope
		var callbackId = utils.globalEvent(function(str) {

			// The responseHandler returns a string, lets save this locally
			var obj;

			if (str) {
				obj = JSON.parse(str);
			}
			else {
				obj = error('cancelled', 'The authentication was not completed');
			}

			// Handle these response using the local
			// Trigger on the parent
			if (!obj.error) {

				// Save on the parent window the new credentials
				// This fixes an IE10 bug i think... atleast it does for me.
				utils.store(obj.network, obj);

				// Fulfill a successful login
				promise.fulfill({
					network: obj.network,
					authResponse: obj
				});
			}
			else {
				// Reject a successful login
				promise.reject(obj);
			}
		});

		var redirectUri = utils.url(opts.redirect_uri).href;

		// May be a space-delimited list of multiple, complementary types
		var responseType = provider.oauth.response_type || opts.response_type;

		// Fallback to token if the module hasn't defined a grant url
		if (/\bcode\b/.test(responseType) && !provider.oauth.grant) {
			responseType = responseType.replace(/\bcode\b/, 'token');
		}

		// Query string parameters, we may pass our own arguments to form the querystring
		p.qs = {
			client_id: encodeURIComponent(provider.id),
			response_type: encodeURIComponent(responseType),
			redirect_uri: encodeURIComponent(redirectUri),
			display: opts.display,
			scope: 'basic',
			state: {
				client_id: provider.id,
				network: p.network,
				display: opts.display,
				callback: callbackId,
				state: opts.state,
				redirect_uri: redirectUri
			}
		};

		// Get current session for merging scopes, and for quick auth response
		var session = utils.store(p.network);

		// Scopes (authentication permisions)
		// Ensure this is a string - IE has a problem moving Arrays between windows
		// Append the setup scope
		var SCOPE_SPLIT = /[,\s]+/;
		var scope = (opts.scope || '').toString() + ',' + p.qs.scope;

		// Append scopes from a previous session.
		// This helps keep app credentials constant,
		// Avoiding having to keep tabs on what scopes are authorized
		if (session && 'scope' in session && session.scope instanceof String) {
			scope += ',' + session.scope;
		}

		// Convert scope to an Array
		// - easier to manipulate
		scope = scope.split(SCOPE_SPLIT);

		// Format remove duplicates and empty values
		scope = utils.unique(scope).filter(filterEmpty);

		// Save the the scopes to the state with the names that they were requested with.
		p.qs.state.scope = scope.join(',');

		// Map scopes to the providers naming convention
		scope = scope.map(function(item) {
			// Does this have a mapping?
			if (item in provider.scope) {
				return provider.scope[item];
			}
			else {
				// Loop through all services and determine whether the scope is generic
				for (var x in _this.services) {
					var serviceScopes = _this.services[x].scope;
					if (serviceScopes && item in serviceScopes) {
						// Found an instance of this scope, so lets not assume its special
						return '';
					}
				}

				// This is a unique scope to this service so lets in it.
				return item;
			}

		});

		// Stringify and Arrayify so that double mapped scopes are given the chance to be formatted
		scope = scope.join(',').split(SCOPE_SPLIT);

		// Again...
		// Format remove duplicates and empty values
		scope = utils.unique(scope).filter(filterEmpty);

		// Join with the expected scope delimiter into a string
		p.qs.scope = scope.join(provider.scope_delim || ',');

		// Is the user already signed in with the appropriate scopes, valid access_token?
		if (opts.force === false) {

			if (session && 'access_token' in session && session.access_token && 'expires' in session && session.expires > ((new Date()).getTime() / 1e3)) {
				// What is different about the scopes in the session vs the scopes in the new login?
				var diff = utils.diff((session.scope || '').split(SCOPE_SPLIT), (p.qs.state.scope || '').split(SCOPE_SPLIT));
				if (diff.length === 0) {

					// OK trigger the callback
					promise.fulfill({
						unchanged: true,
						network: p.network,
						authResponse: session
					});

					// Nothing has changed
					return promise;
				}
			}
		}

		// Page URL
		if (opts.display === 'page' && opts.page_uri) {
			// Add a page location, place to endup after session has authenticated
			p.qs.state.page_uri = utils.url(opts.page_uri).href;
		}

		// Bespoke
		// Override login querystrings from auth_options
		if ('login' in provider && typeof (provider.login) === 'function') {
			// Format the paramaters according to the providers formatting function
			provider.login(p);
		}

		// Add OAuth to state
		// Where the service is going to take advantage of the oauth_proxy
		if (!/\btoken\b/.test(responseType) ||
		parseInt(provider.oauth.version, 10) < 2 ||
		(opts.display === 'none' && provider.oauth.grant && session && session.refresh_token)) {

			// Add the oauth endpoints
			p.qs.state.oauth = provider.oauth;

			// Add the proxy url
			p.qs.state.oauth_proxy = opts.oauth_proxy;

		}

		// Convert state to a string
		p.qs.state = encodeURIComponent(JSON.stringify(p.qs.state));

		// URL
		if (parseInt(provider.oauth.version, 10) === 1) {

			// Turn the request to the OAuth Proxy for 3-legged auth
			url = utils.qs(opts.oauth_proxy, p.qs, encodeFunction);
		}

		// Refresh token
		else if (opts.display === 'none' && provider.oauth.grant && session && session.refresh_token) {

			// Add the refresh_token to the request
			p.qs.refresh_token = session.refresh_token;

			// Define the request path
			url = utils.qs(opts.oauth_proxy, p.qs, encodeFunction);
		}
		else {
			url = utils.qs(provider.oauth.auth, p.qs, encodeFunction);
		}

		// Execute
		// Trigger how we want self displayed
		if (opts.display === 'none') {
			// Sign-in in the background, iframe
			utils.iframe(url);
		}

		// Triggering popup?
		else if (opts.display === 'popup') {

			var popup = utils.popup(url, redirectUri, opts.popup);

			var timer = setInterval(function() {
				if (!popup || popup.closed) {
					clearInterval(timer);
					if (!promise.state) {

						var response = error('cancelled', 'Login has been cancelled');

						if (!popup) {
							response = error('blocked', 'Popup was blocked');
						}

						response.network = p.network;

						promise.reject(response);
					}
				}
			}, 100);
		}

		else {
			window.location = url;
		}

		return promise.proxy;

		function encodeFunction(s) {return s;}

		function filterEmpty(s) {return !!s;}
	},

	// Remove any data associated with a given service
	// @param string name of the service
	// @param function callback
	logout: function() {

		var _this = this;
		var utils = _this.utils;
		var error = utils.error;

		// Create a new promise
		var promise = utils.Promise();

		var p = utils.args({name:'s', options: 'o', callback: 'f'}, arguments);

		p.options = p.options || {};

		// Add callback to events
		promise.proxy.then(p.callback, p.callback);

		// Trigger an event on the global listener
		function emit(s, value) {
			hello.emit(s, value);
		}

		promise.proxy.then(emit.bind(this, 'auth.logout auth'), emit.bind(this, 'error'));

		// Network
		p.name = p.name || this.settings.default_service;
		p.authResponse = utils.store(p.name);

		if (p.name && !(p.name in _this.services)) {

			promise.reject(error('invalid_network', 'The network was unrecognized'));

		}
		else if (p.name && p.authResponse) {

			// Define the callback
			var callback = function(opts) {

				// Remove from the store
				utils.store(p.name, '');

				// Emit events by default
				promise.fulfill(hello.utils.merge({network:p.name}, opts || {}));
			};

			// Run an async operation to remove the users session
			var _opts = {};
			if (p.options.force) {
				var logout = _this.services[p.name].logout;
				if (logout) {
					// Convert logout to URL string,
					// If no string is returned, then this function will handle the logout async style
					if (typeof (logout) === 'function') {
						logout = logout(callback, p);
					}

					// If logout is a string then assume URL and open in iframe.
					if (typeof (logout) === 'string') {
						utils.iframe(logout);
						_opts.force = null;
						_opts.message = 'Logout success on providers site was indeterminate';
					}
					else if (logout === undefined) {
						// The callback function will handle the response.
						return promise.proxy;
					}
				}
			}

			// Remove local credentials
			callback(_opts);
		}
		else {
			promise.reject(error('invalid_session', 'There was no session to remove'));
		}

		return promise.proxy;
	},

	// Returns all the sessions that are subscribed too
	// @param string optional, name of the service to get information about.
	getAuthResponse: function(service) {

		// If the service doesn't exist
		service = service || this.settings.default_service;

		if (!service || !(service in this.services)) {
			return null;
		}

		return this.utils.store(service) || null;
	},

	// Events: placeholder for the events
	events: {}
});

// Core utilities
hello.utils.extend(hello.utils, {

	// Error
	error: function(code, message) {
		return {
			error: {
				code: code,
				message: message
			}
		};
	},

	// Append the querystring to a url
	// @param string url
	// @param object parameters
	qs: function(url, params, formatFunction) {

		if (params) {

			// Set default formatting function
			formatFunction = formatFunction || encodeURIComponent;

			// Override the items in the URL which already exist
			for (var x in params) {
				var str = '([\\?\\&])' + x + '=[^\\&]*';
				reg = new RegExp(str);
				if (url.match(reg)) {
					url = url.replace(reg, '$1' + x + '=' + formatFunction(params[x]));
					delete params[x];
				}
			}
		}

		if (!this.isEmpty(params)) {
			return url + (url.indexOf('?') > -1 ? '&' : '?') + this.param(params, formatFunction);
		}

		return url;
	},

	// Param
	// Explode/encode the parameters of an URL string/object
	// @param string s, string to decode
	param: function(s, formatFunction) {
		var b;
		var a = {};
		var m;

		if (typeof (s) === 'string') {

			formatFunction = formatFunction || decodeURIComponent;

			m = s.replace(/^[\#\?]/, '').match(/([^=\/\&]+)=([^\&]+)/g);
			if (m) {
				for (var i = 0; i < m.length; i++) {
					b = m[i].match(/([^=]+)=(.*)/);
					a[b[1]] = formatFunction(b[2]);
				}
			}

			return a;
		}
		else {

			formatFunction = formatFunction || encodeURIComponent;

			var o = s;

			a = [];

			for (var x in o) {if (o.hasOwnProperty(x)) {
				if (o.hasOwnProperty(x)) {
					a.push([x, o[x] === '?' ? '?' : formatFunction(o[x])].join('='));
				}
			}}

			return a.join('&');
		}
	},

	// Local storage facade
	store: (function() {

		var a = ['localStorage', 'sessionStorage'];
		var i = 0;
		var prefix = 'test';

		// Set LocalStorage
		var localStorage;

		while (a[i++]) {
			try {
				// In Chrome with cookies blocked, calling localStorage throws an error
				localStorage = window[a[i]];
				localStorage.setItem(prefix + i, i);
				localStorage.removeItem(prefix + i);
				break;
			}
			catch (e) {
				localStorage = null;
			}
		}

		if (!localStorage) {

			var cache = null;

			localStorage = {
				getItem: function(prop) {
					prop = prop + '=';
					var m = document.cookie.split(';');
					for (var i = 0; i < m.length; i++) {
						var _m = m[i].replace(/(^\s+|\s+$)/, '');
						if (_m && _m.indexOf(prop) === 0) {
							return _m.substr(prop.length);
						}
					}

					return cache;
				},

				setItem: function(prop, value) {
					cache = value;
					document.cookie = prop + '=' + value;
				}
			};

			// Fill the cache up
			cache = localStorage.getItem('hello');
		}

		function get() {
			var json = {};
			try {
				json = JSON.parse(localStorage.getItem('hello')) || {};
			}
			catch (e) {}

			return json;
		}

		function set(json) {
			localStorage.setItem('hello', JSON.stringify(json));
		}

		// Check if the browser support local storage
		return function(name, value, days) {

			// Local storage
			var json = get();

			if (name && value === undefined) {
				return json[name] || null;
			}
			else if (name && value === null) {
				try {
					delete json[name];
				}
				catch (e) {
					json[name] = null;
				}
			}
			else if (name) {
				json[name] = value;
			}
			else {
				return json;
			}

			set(json);

			return json || null;
		};

	})(),

	// Create and Append new DOM elements
	// @param node string
	// @param attr object literal
	// @param dom/string
	append: function(node, attr, target) {

		var n = typeof (node) === 'string' ? document.createElement(node) : node;

		if (typeof (attr) === 'object') {
			if ('tagName' in attr) {
				target = attr;
			}
			else {
				for (var x in attr) {if (attr.hasOwnProperty(x)) {
					if (typeof (attr[x]) === 'object') {
						for (var y in attr[x]) {if (attr[x].hasOwnProperty(y)) {
							n[x][y] = attr[x][y];
						}}
					}
					else if (x === 'html') {
						n.innerHTML = attr[x];
					}

					// IE doesn't like us setting methods with setAttribute
					else if (!/^on/.test(x)) {
						n.setAttribute(x, attr[x]);
					}
					else {
						n[x] = attr[x];
					}
				}}
			}
		}

		if (target === 'body') {
			(function self() {
				if (document.body) {
					document.body.appendChild(n);
				}
				else {
					setTimeout(self, 16);
				}
			})();
		}
		else if (typeof (target) === 'object') {
			target.appendChild(n);
		}
		else if (typeof (target) === 'string') {
			document.getElementsByTagName(target)[0].appendChild(n);
		}

		return n;
	},

	// An easy way to create a hidden iframe
	// @param string src
	iframe: function(src) {
		this.append('iframe', {src: src, style: {position:'absolute', left: '-1000px', bottom: 0, height: '1px', width: '1px'}}, 'body');
	},

	// Recursive merge two objects into one, second parameter overides the first
	// @param a array
	merge: function(/* Args: a, b, c, .. n */) {
		var args = Array.prototype.slice.call(arguments);
		args.unshift({});
		return this.extend.apply(null, args);
	},

	// Makes it easier to assign parameters, where some are optional
	// @param o object
	// @param a arguments
	args: function(o, args) {

		var p = {};
		var i = 0;
		var t = null;
		var x = null;

		// 'x' is the first key in the list of object parameters
		for (x in o) {if (o.hasOwnProperty(x)) {
			break;
		}}

		// Passing in hash object of arguments?
		// Where the first argument can't be an object
		if ((args.length === 1) && (typeof (args[0]) === 'object') && o[x] != 'o!') {

			// Could this object still belong to a property?
			// Check the object keys if they match any of the property keys
			for (x in args[0]) {if (o.hasOwnProperty(x)) {
				// Does this key exist in the property list?
				if (x in o) {
					// Yes this key does exist so its most likely this function has been invoked with an object parameter
					// Return first argument as the hash of all arguments
					return args[0];
				}
			}}
		}

		// Else loop through and account for the missing ones.
		for (x in o) {if (o.hasOwnProperty(x)) {

			t = typeof (args[i]);

			if ((typeof (o[x]) === 'function' && o[x].test(args[i])) || (typeof (o[x]) === 'string' && (
			(o[x].indexOf('s') > -1 && t === 'string') ||
			(o[x].indexOf('o') > -1 && t === 'object') ||
			(o[x].indexOf('i') > -1 && t === 'number') ||
			(o[x].indexOf('a') > -1 && t === 'object') ||
			(o[x].indexOf('f') > -1 && t === 'function')
			))
			) {
				p[x] = args[i++];
			}

			else if (typeof (o[x]) === 'string' && o[x].indexOf('!') > -1) {
				return false;
			}
		}}

		return p;
	},

	// Returns a URL instance
	url: function(path) {

		// If the path is empty
		if (!path) {
			return window.location;
		}

		// Chrome and FireFox support new URL() to extract URL objects
		else if (window.URL && URL instanceof Function && URL.length !== 0) {
			return new URL(path, window.location);
		}

		// Ugly shim, it works!
		else {
			var a = document.createElement('a');
			a.href = path;
			return a;
		}
	},

	diff: function(a, b) {
		return b.filter(function(item) {
			return a.indexOf(item) === -1;
		});
	},

	// Unique
	// Remove duplicate and null values from an array
	// @param a array
	unique: function(a) {
		if (!Array.isArray(a)) { return []; }

		return a.filter(function(item, index) {
			// Is this the first location of item
			return a.indexOf(item) === index;
		});
	},

	isEmpty: function(obj) {

		// Scalar
		if (!obj)
			return true;

		// Array
		if (Array.isArray(obj)) {
			return !obj.length;
		}
		else if (typeof (obj) === 'object') {
			// Object
			for (var key in obj) {
				if (obj.hasOwnProperty(key)) {
					return false;
				}
			}
		}

		return true;
	},

	//jscs:disable

	/*!
	 **  Thenable -- Embeddable Minimum Strictly-Compliant Promises/A+ 1.1.1 Thenable
	 **  Copyright (c) 2013-2014 Ralf S. Engelschall <http://engelschall.com>
	 **  Licensed under The MIT License <http://opensource.org/licenses/MIT>
	 **  Source-Code distributed on <http://github.com/rse/thenable>
	 */
	Promise: (function(){
		/*  promise states [Promises/A+ 2.1]  */
		var STATE_PENDING   = 0;                                         /*  [Promises/A+ 2.1.1]  */
		var STATE_FULFILLED = 1;                                         /*  [Promises/A+ 2.1.2]  */
		var STATE_REJECTED  = 2;                                         /*  [Promises/A+ 2.1.3]  */

		/*  promise object constructor  */
		var api = function (executor) {
			/*  optionally support non-constructor/plain-function call  */
			if (!(this instanceof api))
				return new api(executor);

			/*  initialize object  */
			this.id           = "Thenable/1.0.6";
			this.state        = STATE_PENDING; /*  initial state  */
			this.fulfillValue = undefined;     /*  initial value  */     /*  [Promises/A+ 1.3, 2.1.2.2]  */
			this.rejectReason = undefined;     /*  initial reason */     /*  [Promises/A+ 1.5, 2.1.3.2]  */
			this.onFulfilled  = [];            /*  initial handlers  */
			this.onRejected   = [];            /*  initial handlers  */

			/*  provide optional information-hiding proxy  */
			this.proxy = {
				then: this.then.bind(this)
			};

			/*  support optional executor function  */
			if (typeof executor === "function")
				executor.call(this, this.fulfill.bind(this), this.reject.bind(this));
		};

		/*  promise API methods  */
		api.prototype = {
			/*  promise resolving methods  */
			fulfill: function (value) { return deliver(this, STATE_FULFILLED, "fulfillValue", value); },
			reject:  function (value) { return deliver(this, STATE_REJECTED,  "rejectReason", value); },

			/*  "The then Method" [Promises/A+ 1.1, 1.2, 2.2]  */
			then: function (onFulfilled, onRejected) {
				var curr = this;
				var next = new api();                                    /*  [Promises/A+ 2.2.7]  */
				curr.onFulfilled.push(
					resolver(onFulfilled, next, "fulfill"));             /*  [Promises/A+ 2.2.2/2.2.6]  */
				curr.onRejected.push(
					resolver(onRejected,  next, "reject" ));             /*  [Promises/A+ 2.2.3/2.2.6]  */
				execute(curr);
				return next.proxy;                                       /*  [Promises/A+ 2.2.7, 3.3]  */
			}
		};

		/*  deliver an action  */
		var deliver = function (curr, state, name, value) {
			if (curr.state === STATE_PENDING) {
				curr.state = state;                                      /*  [Promises/A+ 2.1.2.1, 2.1.3.1]  */
				curr[name] = value;                                      /*  [Promises/A+ 2.1.2.2, 2.1.3.2]  */
				execute(curr);
			}
			return curr;
		};

		/*  execute all handlers  */
		var execute = function (curr) {
			if (curr.state === STATE_FULFILLED)
				execute_handlers(curr, "onFulfilled", curr.fulfillValue);
			else if (curr.state === STATE_REJECTED)
				execute_handlers(curr, "onRejected",  curr.rejectReason);
		};

		/*  execute particular set of handlers  */
		var execute_handlers = function (curr, name, value) {
			/* global process: true */
			/* global setImmediate: true */
			/* global setTimeout: true */

			/*  short-circuit processing  */
			if (curr[name].length === 0)
				return;

			/*  iterate over all handlers, exactly once  */
			var handlers = curr[name];
			curr[name] = [];                                             /*  [Promises/A+ 2.2.2.3, 2.2.3.3]  */
			var func = function () {
				for (var i = 0; i < handlers.length; i++)
					handlers[i](value);                                  /*  [Promises/A+ 2.2.5]  */
			};

			/*  execute procedure asynchronously  */                     /*  [Promises/A+ 2.2.4, 3.1]  */
			if (typeof process === "object" && typeof process.nextTick === "function")
				process.nextTick(func);
			else if (typeof setImmediate === "function")
				setImmediate(func);
			else
				setTimeout(func, 0);
		};

		/*  generate a resolver function  */
		var resolver = function (cb, next, method) {
			return function (value) {
				if (typeof cb !== "function")                            /*  [Promises/A+ 2.2.1, 2.2.7.3, 2.2.7.4]  */
					next[method].call(next, value);                      /*  [Promises/A+ 2.2.7.3, 2.2.7.4]  */
				else {
					var result;
					try { result = cb(value); }                          /*  [Promises/A+ 2.2.2.1, 2.2.3.1, 2.2.5, 3.2]  */
					catch (e) {
						next.reject(e);                                  /*  [Promises/A+ 2.2.7.2]  */
						return;
					}
					resolve(next, result);                               /*  [Promises/A+ 2.2.7.1]  */
				}
			};
		};

		/*  "Promise Resolution Procedure"  */                           /*  [Promises/A+ 2.3]  */
		var resolve = function (promise, x) {
			/*  sanity check arguments  */                               /*  [Promises/A+ 2.3.1]  */
			if (promise === x || promise.proxy === x) {
				promise.reject(new TypeError("cannot resolve promise with itself"));
				return;
			}

			/*  surgically check for a "then" method
				(mainly to just call the "getter" of "then" only once)  */
			var then;
			if ((typeof x === "object" && x !== null) || typeof x === "function") {
				try { then = x.then; }                                   /*  [Promises/A+ 2.3.3.1, 3.5]  */
				catch (e) {
					promise.reject(e);                                   /*  [Promises/A+ 2.3.3.2]  */
					return;
				}
			}

			/*  handle own Thenables    [Promises/A+ 2.3.2]
				and similar "thenables" [Promises/A+ 2.3.3]  */
			if (typeof then === "function") {
				var resolved = false;
				try {
					/*  call retrieved "then" method */                  /*  [Promises/A+ 2.3.3.3]  */
					then.call(x,
						/*  resolvePromise  */                           /*  [Promises/A+ 2.3.3.3.1]  */
						function (y) {
							if (resolved) return; resolved = true;       /*  [Promises/A+ 2.3.3.3.3]  */
							if (y === x)                                 /*  [Promises/A+ 3.6]  */
								promise.reject(new TypeError("circular thenable chain"));
							else
								resolve(promise, y);
						},

						/*  rejectPromise  */                            /*  [Promises/A+ 2.3.3.3.2]  */
						function (r) {
							if (resolved) return; resolved = true;       /*  [Promises/A+ 2.3.3.3.3]  */
							promise.reject(r);
						}
					);
				}
				catch (e) {
					if (!resolved)                                       /*  [Promises/A+ 2.3.3.3.3]  */
						promise.reject(e);                               /*  [Promises/A+ 2.3.3.3.4]  */
				}
				return;
			}

			/*  handle other values  */
			promise.fulfill(x);                                          /*  [Promises/A+ 2.3.4, 2.3.3.4]  */
		};

		/*  export API  */
		return api;
	})(),

	//jscs:enable

	// Event
	// A contructor superclass for adding event menthods, on, off, emit.
	Event: function() {

		var separator = /[\s\,]+/;

		// If this doesn't support getPrototype then we can't get prototype.events of the parent
		// So lets get the current instance events, and add those to a parent property
		this.parent = {
			events: this.events,
			findEvents: this.findEvents,
			parent: this.parent,
			utils: this.utils
		};

		this.events = {};

		// On, subscribe to events
		// @param evt   string
		// @param callback  function
		this.on = function(evt, callback) {

			if (callback && typeof (callback) === 'function') {
				var a = evt.split(separator);
				for (var i = 0; i < a.length; i++) {

					// Has this event already been fired on this instance?
					this.events[a[i]] = [callback].concat(this.events[a[i]] || []);
				}
			}

			return this;
		};

		// Off, unsubscribe to events
		// @param evt   string
		// @param callback  function
		this.off = function(evt, callback) {

			this.findEvents(evt, function(name, index) {
				if (!callback || this.events[name][index] === callback) {
					this.events[name][index] = null;
				}
			});

			return this;
		};

		// Emit
		// Triggers any subscribed events
		this.emit = function(evt /*, data, ... */) {

			// Get arguments as an Array, knock off the first one
			var args = Array.prototype.slice.call(arguments, 1);
			args.push(evt);

			// Handler
			var handler = function(name, index) {

				// Replace the last property with the event name
				args[args.length - 1] = (name === '*' ? evt : name);

				// Trigger
				this.events[name][index].apply(this, args);
			};

			// Find the callbacks which match the condition and call
			var _this = this;
			while (_this && _this.findEvents) {

				// Find events which match
				_this.findEvents(evt + ',*', handler);
				_this = _this.parent;
			}

			return this;
		};

		//
		// Easy functions
		this.emitAfter = function() {
			var _this = this;
			var args = arguments;
			setTimeout(function() {
				_this.emit.apply(_this, args);
			}, 0);

			return this;
		};

		this.findEvents = function(evt, callback) {

			var a = evt.split(separator);

			for (var name in this.events) {if (this.events.hasOwnProperty(name)) {

				if (a.indexOf(name) > -1) {

					for (var i = 0; i < this.events[name].length; i++) {

						// Does the event handler exist?
						if (this.events[name][i]) {
							// Emit on the local instance of this
							callback.call(this, name, i);
						}
					}
				}
			}}
		};

		return this;
	},

	// Global Events
	// Attach the callback to the window object
	// Return its unique reference
	globalEvent: function(callback, guid) {
		// If the guid has not been supplied then create a new one.
		guid = guid || '_hellojs_' + parseInt(Math.random() * 1e12, 10).toString(36);

		// Define the callback function
		window[guid] = function() {
			// Trigger the callback
			try {
				bool = callback.apply(this, arguments);
			}
			catch (e) {
				console.error(e);
			}

			if (bool) {
				// Remove this handler reference
				try {
					delete window[guid];
				}
				catch (e) {}
			}
		};

		return guid;
	},

	// Trigger a clientside popup
	// This has been augmented to support PhoneGap
	popup: function(url, redirectUri, options) {

		var documentElement = document.documentElement;

		// Multi Screen Popup Positioning (http://stackoverflow.com/a/16861050)
		// Credit: http://www.xtf.dk/2011/08/center-new-popup-window-even-on.html
		// Fixes dual-screen position                         Most browsers      Firefox

		if (options.height) {
			var dualScreenTop = window.screenTop !== undefined ? window.screenTop : screen.top;
			var height = screen.height || window.innerHeight || documentElement.clientHeight;
			options.top = parseInt((height - options.height) / 2, 10) + dualScreenTop;
		}

		if (options.width) {
			var dualScreenLeft = window.screenLeft !== undefined ? window.screenLeft : screen.left;
			var width = screen.width || window.innerWidth || documentElement.clientWidth;
			options.left = parseInt((width - options.width) / 2, 10) + dualScreenLeft;
		}

		// Convert options into an array
		var optionsArray = [];
		Object.keys(options).forEach(function(name) {
			var value = options[name];
			optionsArray.push(name + (value !== null ? '=' + value : ''));
		});

		// Create a function for reopening the popup, and assigning events to the new popup object
		// This is a fix whereby triggering the
		var open = function(url) {

			// Trigger callback
			var popup = window.open(
				url,
				'_blank',
				optionsArray.join(',')
			);

			// PhoneGap support
			// Add an event listener to listen to the change in the popup windows URL
			// This must appear before popup.focus();
			if (popup && popup.addEventListener) {

				// Get the origin of the redirect URI

				var a = hello.utils.url(redirectUri);
				var redirectUriOrigin = a.origin || (a.protocol + '//' + a.hostname);

				// Listen to changes in the InAppBrowser window

				popup.addEventListener('loadstart', function(e) {

					var url = e.url;

					// Is this the path, as given by the redirectUri?
					// Check the new URL agains the redirectUriOrigin.
					// According to #63 a user could click 'cancel' in some dialog boxes ....
					// The popup redirects to another page with the same origin, yet we still wish it to close.

					if (url.indexOf(redirectUriOrigin) !== 0) {
						return;
					}

					// Split appart the URL
					var a = hello.utils.url(url);

					// We dont have window operations on the popup so lets create some
					// The location can be augmented in to a location object like so...

					var _popup = {
						location: {
							// Change the location of the popup
							assign: function(location) {

								// Unfourtunatly an app is may not change the location of a InAppBrowser window.
								// So to shim this, just open a new one.

								popup.addEventListener('exit', function() {

									// For some reason its failing to close the window if a new window opens too soon.

									setTimeout(function() {
										open(location);
									}, 1000);
								});
							},

							search: a.search,
							hash: a.hash,
							href: a.href
						},
						close: function() {
							if (popup.close) {
								popup.close();
							}
						}
					};

					// Then this URL contains information which HelloJS must process
					// URL string
					// Window - any action such as window relocation goes here
					// Opener - the parent window which opened this, aka this script

					hello.utils.responseHandler(_popup, window);

					// Always close the popup regardless of whether the hello.utils.responseHandler detects a state parameter or not in the querystring.
					// Such situations might arise such as those in #63

					_popup.close();

				});
			}

			if (popup && popup.focus) {
				popup.focus();
			}

			return popup;
		};

		// Call the open() function with the initial path
		//
		// OAuth redirect, fixes URI fragments from being lost in Safari
		// (URI Fragments within 302 Location URI are lost over HTTPS)
		// Loading the redirect.html before triggering the OAuth Flow seems to fix it.
		//
		// Firefox  decodes URL fragments when calling location.hash.
		//  - This is bad if the value contains break points which are escaped
		//  - Hence the url must be encoded twice as it contains breakpoints.
		if (navigator.userAgent.indexOf('Safari') !== -1 && navigator.userAgent.indexOf('Chrome') === -1) {
			url = redirectUri + '#oauth_redirect=' + encodeURIComponent(encodeURIComponent(url));
		}

		return open(url);
	},

	// OAuth and API response handler
	responseHandler: function(window, parent) {

		var _this = this;
		var p;
		var location = window.location;

		// Is this an auth relay message which needs to call the proxy?
		p = _this.param(location.search);

		// OAuth2 or OAuth1 server response?
		if (p && p.state && (p.code || p.oauth_token)) {

			var state = JSON.parse(p.state);

			// Add this path as the redirect_uri
			p.redirect_uri = state.redirect_uri || location.href.replace(/[\?\#].*$/, '');

			// Redirect to the host
			var path = state.oauth_proxy + '?' + _this.param(p);

			location.assign(path);

			return;
		}

		// Save session, from redirected authentication
		// #access_token has come in?
		//
		// FACEBOOK is returning auth errors within as a query_string... thats a stickler for consistency.
		// SoundCloud is the state in the querystring and the token in the hashtag, so we'll mix the two together

		p = _this.merge(_this.param(location.search || ''), _this.param(location.hash || ''));

		// If p.state
		if (p && 'state' in p) {

			// Remove any addition information
			// E.g. p.state = 'facebook.page';
			try {
				var a = JSON.parse(p.state);
				_this.extend(p, a);
			}
			catch (e) {
				console.error('Could not decode state parameter');
			}

			// Access_token?
			if (('access_token' in p && p.access_token) && p.network) {

				if (!p.expires_in || parseInt(p.expires_in, 10) === 0) {
					// If p.expires_in is unset, set to 0
					p.expires_in = 0;
				}

				p.expires_in = parseInt(p.expires_in, 10);
				p.expires = ((new Date()).getTime() / 1e3) + (p.expires_in || (60 * 60 * 24 * 365));

				// Lets use the "state" to assign it to one of our networks
				authCallback(p, window, parent);
			}

			// Error=?
			// &error_description=?
			// &state=?
			else if (('error' in p && p.error) && p.network) {

				p.error = {
					code: p.error,
					message: p.error_message || p.error_description
				};

				// Let the state handler handle it
				authCallback(p, window, parent);
			}

			// API call, or a cancelled login
			// Result is serialized JSON string
			else if (p.callback && p.callback in parent) {

				// Trigger a function in the parent
				var res = 'result' in p && p.result ? JSON.parse(p.result) : false;

				// Trigger the callback on the parent
				parent[p.callback](res);
				closeWindow();
			}

			// If this page is still open
			if (p.page_uri) {
				location.assign(p.page_uri);
			}
		}

		// OAuth redirect, fixes URI fragments from being lost in Safari
		// (URI Fragments within 302 Location URI are lost over HTTPS)
		// Loading the redirect.html before triggering the OAuth Flow seems to fix it.
		else if ('oauth_redirect' in p) {

			location.assign(decodeURIComponent(p.oauth_redirect));
			return;
		}

		// Trigger a callback to authenticate
		function authCallback(obj, window, parent) {

			// Trigger the callback on the parent
			_this.store(obj.network, obj);

			// If this is a page request it has no parent or opener window to handle callbacks
			if (('display' in obj) && obj.display === 'page') {
				return;
			}

			if (parent) {
				// Call the generic listeners
				// Win.hello.emit(network+":auth."+(obj.error?'failed':'login'), obj);

				// TODO: remove from session object
				var cb = obj.callback;
				try {
					delete obj.callback;
				}
				catch (e) {}

				// Update store
				_this.store(obj.network, obj);

				// Call the globalEvent function on the parent
				if (cb in parent) {

					// It's safer to pass back a string to the parent,
					// Rather than an object/array (better for IE8)
					var str = JSON.stringify(obj);

					try {
						parent[cb](str);
					}
					catch (e) {
						// Error thrown whilst executing parent callback
					}
				}
			}

			closeWindow();
		}

		function closeWindow() {

			// Close this current window
			try {
				window.close();
			}
			catch (e) {}

			// IOS bug wont let us close a popup if still loading
			if (window.addEventListener) {
				window.addEventListener('load', function() {
					window.close();
				});
			}
		}
	}
});

// Events

// Extend the hello object with its own event instance
hello.utils.Event.call(hello);

/////////////////////////////////////
//
// Save any access token that is in the current page URL
// Handle any response solicited through iframe hash tag following an API request
//
/////////////////////////////////////

hello.utils.responseHandler(window, window.opener || window.parent);

///////////////////////////////////
// Monitoring session state
// Check for session changes
///////////////////////////////////

(function(hello) {

	// Monitor for a change in state and fire
	var oldSessions = {};

	// Hash of expired tokens
	var expired = {};

	// Listen to other triggers to Auth events, use these to update this
	hello.on('auth.login, auth.logout', function(auth) {
		if (auth && typeof (auth) === 'object' && auth.network) {
			oldSessions[auth.network] = hello.utils.store(auth.network) || {};
		}
	});

	(function self() {

		var CURRENT_TIME = ((new Date()).getTime() / 1e3);
		var emit = function(eventName) {
			hello.emit('auth.' + eventName, {
				network: name,
				authResponse: session
			});
		};

		// Loop through the services
		for (var name in hello.services) {if (hello.services.hasOwnProperty(name)) {

			if (!hello.services[name].id) {
				// We haven't attached an ID so dont listen.
				continue;
			}

			// Get session
			var session = hello.utils.store(name) || {};
			var provider = hello.services[name];
			var oldSess = oldSessions[name] || {};

			// Listen for globalEvents that did not get triggered from the child
			if (session && 'callback' in session) {

				// To do remove from session object...
				var cb = session.callback;
				try {
					delete session.callback;
				}
				catch (e) {}

				// Update store
				// Removing the callback
				hello.utils.store(name, session);

				// Emit global events
				try {
					window[cb](session);
				}
				catch (e) {}
			}

			// Refresh token
			if (session && ('expires' in session) && session.expires < CURRENT_TIME) {

				// If auto refresh is possible
				// Either the browser supports
				var refresh = provider.refresh || session.refresh_token;

				// Has the refresh been run recently?
				if (refresh && (!(name in expired) || expired[name] < CURRENT_TIME)) {
					// Try to resignin
					hello.emit('notice', name + ' has expired trying to resignin');
					hello.login(name, {display: 'none', force: false});

					// Update expired, every 10 minutes
					expired[name] = CURRENT_TIME + 600;
				}

				// Does this provider not support refresh
				else if (!refresh && !(name in expired)) {
					// Label the event
					emit('expired');
					expired[name] = true;
				}

				// If session has expired then we dont want to store its value until it can be established that its been updated
				continue;
			}

			// Has session changed?
			else if (oldSess.access_token === session.access_token &&
			oldSess.expires === session.expires) {
				continue;
			}

			// Access_token has been removed
			else if (!session.access_token && oldSess.access_token) {
				emit('logout');
			}

			// Access_token has been created
			else if (session.access_token && !oldSess.access_token) {
				emit('login');
			}

			// Access_token has been updated
			else if (session.expires !== oldSess.expires) {
				emit('update');
			}

			// Updated stored session
			oldSessions[name] = session;

			// Remove the expired flags
			if (name in expired) {
				delete expired[name];
			}
		}}

		// Check error events
		setTimeout(self, 1000);
	})();

})(hello);

// EOF CORE lib
//////////////////////////////////

/////////////////////////////////////////
// API
// @param path    string
// @param query   object (optional)
// @param method  string (optional)
// @param data    object (optional)
// @param timeout integer (optional)
// @param callback  function (optional)

hello.api = function() {

	// Shorthand
	var _this = this;
	var utils = _this.utils;
	var error = utils.error;

	// Construct a new Promise object
	var promise = utils.Promise();

	// Arguments
	var p = utils.args({path: 's!', query: 'o', method: 's', data: 'o', timeout: 'i', callback: 'f'}, arguments);

	// Method
	p.method = (p.method || 'get').toLowerCase();

	// Headers
	p.headers = p.headers || {};

	// Query
	p.query = p.query || {};

	// If get, put all parameters into query
	if (p.method === 'get' || p.method === 'delete') {
		utils.extend(p.query, p.data);
		p.data = {};
	}

	var data = p.data = p.data || {};

	// Completed event callback
	promise.then(p.callback, p.callback);

	// Remove the network from path, e.g. facebook:/me/friends
	// Results in { network : facebook, path : me/friends }
	if (!p.path) {
		return promise.reject(error('invalid_path', 'Missing the path parameter from the request'));
	}

	p.path = p.path.replace(/^\/+/, '');
	var a = (p.path.split(/[\/\:]/, 2) || [])[0].toLowerCase();

	if (a in _this.services) {
		p.network = a;
		var reg = new RegExp('^' + a + ':?\/?');
		p.path = p.path.replace(reg, '');
	}

	// Network & Provider
	// Define the network that this request is made for
	p.network = _this.settings.default_service = p.network || _this.settings.default_service;
	var o = _this.services[p.network];

	// INVALID
	// Is there no service by the given network name?
	if (!o) {
		return promise.reject(error('invalid_network', 'Could not match the service requested: ' + p.network));
	}

	// PATH
	// As long as the path isn't flagged as unavaiable, e.g. path == false

	if (!(!(p.method in o) || !(p.path in o[p.method]) || o[p.method][p.path] !== false)) {
		return promise.reject(error('invalid_path', 'The provided path is not available on the selected network'));
	}

	// PROXY
	// OAuth1 calls always need a proxy

	if (!p.oauth_proxy) {
		p.oauth_proxy = _this.settings.oauth_proxy;
	}

	if (!('proxy' in p)) {
		p.proxy = p.oauth_proxy && o.oauth && parseInt(o.oauth.version, 10) === 1;
	}

	// TIMEOUT
	// Adopt timeout from global settings by default

	if (!('timeout' in p)) {
		p.timeout = _this.settings.timeout;
	}

	// Format response
	// Whether to run the raw response through post processing.
	if (!('formatResponse' in p)) {
		p.formatResponse = true;
	}

	// Get the current session
	// Append the access_token to the query
	p.authResponse = _this.getAuthResponse(p.network);
	if (p.authResponse && p.authResponse.access_token) {
		p.query.access_token = p.authResponse.access_token;
	}

	var url = p.path;
	var m;

	// Store the query as options
	// This is used to populate the request object before the data is augmented by the prewrap handlers.
	p.options = utils.clone(p.query);

	// Clone the data object
	// Prevent this script overwriting the data of the incoming object.
	// Ensure that everytime we run an iteration the callbacks haven't removed some data
	p.data = utils.clone(data);

	// URL Mapping
	// Is there a map for the given URL?
	var actions = o[{'delete': 'del'}[p.method] || p.method] || {};

	// Extrapolate the QueryString
	// Provide a clean path
	// Move the querystring into the data
	if (p.method === 'get') {

		var query = url.split(/[\?#]/)[1];
		if (query) {
			utils.extend(p.query, utils.param(query));

			// Remove the query part from the URL
			url = url.replace(/\?.*?(#|$)/, '$1');
		}
	}

	// Is the hash fragment defined
	if ((m = url.match(/#(.+)/, ''))) {
		url = url.split('#')[0];
		p.path = m[1];
	}
	else if (url in actions) {
		p.path = url;
		url = actions[url];
	}
	else if ('default' in actions) {
		url = actions['default'];
	}

	// Redirect Handler
	// This defines for the Form+Iframe+Hash hack where to return the results too.
	p.redirect_uri = _this.settings.redirect_uri;

	// Define FormatHandler
	// The request can be procesed in a multitude of ways
	// Here's the options - depending on the browser and endpoint
	p.xhr = o.xhr;
	p.jsonp = o.jsonp;
	p.form = o.form;

	// Make request
	if (typeof (url) === 'function') {
		// Does self have its own callback?
		url(p, getPath);
	}
	else {
		// Else the URL is a string
		getPath(url);
	}

	return promise.proxy;

	// If url needs a base
	// Wrap everything in
	function getPath(url) {

		// Format the string if it needs it
		url = url.replace(/\@\{([a-z\_\-]+)(\|.*?)?\}/gi, function(m, key, defaults) {
			var val = defaults ? defaults.replace(/^\|/, '') : '';
			if (key in p.query) {
				val = p.query[key];
				delete p.query[key];
			}
			else if (!defaults) {
				promise.reject(error('missing_attribute', 'The attribute ' + key + ' is missing from the request'));
			}

			return val;
		});

		// Add base
		if (!url.match(/^https?:\/\//)) {
			url = o.base + url;
		}

		// Define the request URL
		p.url = url;

		// Make the HTTP request with the curated request object
		// CALLBACK HANDLER
		// @ response object
		// @ statusCode integer if available
		utils.request(p, function(r, headers) {

			// Is this a raw response?
			if (!p.formatResponse) {
				// Bad request? error statusCode or otherwise contains an error response vis JSONP?
				if (typeof headers === 'object' ? (headers.statusCode >= 400) : (typeof r === 'object' && 'error' in r)) {
					promise.reject(r);
				}
				else {
					promise.fulfill(r);
				}

				return;
			}

			// Should this be an object
			if (r === true) {
				r = {success:true};
			}
			else if (!r) {
				r = {};
			}

			// The delete callback needs a better response
			if (p.method === 'delete') {
				r = (!r || utils.isEmpty(r)) ? {success:true} : r;
			}

			// FORMAT RESPONSE?
			// Does self request have a corresponding formatter
			if (o.wrap && ((p.path in o.wrap) || ('default' in o.wrap))) {
				var wrap = (p.path in o.wrap ? p.path : 'default');
				var time = (new Date()).getTime();

				// FORMAT RESPONSE
				var b = o.wrap[wrap](r, headers, p);

				// Has the response been utterly overwritten?
				// Typically self augments the existing object.. but for those rare occassions
				if (b) {
					r = b;
				}
			}

			// Is there a next_page defined in the response?
			if (r && 'paging' in r && r.paging.next) {

				// Add the relative path if it is missing from the paging/next path
				if (r.paging.next[0] === '?') {
					r.paging.next = p.path + r.paging.next;
				}

				// The relative path has been defined, lets markup the handler in the HashFragment
				else {
					r.paging.next += '#' + p.path;
				}
			}

			// Dispatch to listeners
			// Emit events which pertain to the formatted response
			if (!r || 'error' in r) {
				promise.reject(r);
			}
			else {
				promise.fulfill(r);
			}
		});
	}
};

// API utilities
hello.utils.extend(hello.utils, {

	// Make an HTTP request
	request: function(p, callback) {

		var _this = this;
		var error = _this.error;

		// This has to go through a POST request
		if (!_this.isEmpty(p.data) && !('FileList' in window) && _this.hasBinary(p.data)) {

			// Disable XHR and JSONP
			p.xhr = false;
			p.jsonp = false;
		}

		// Check if the browser and service support CORS
		var cors = this.request_cors(function() {
			// If it does then run this...
			return (!('xhr' in p) || (p.xhr && (typeof (p.xhr) !== 'function' || p.xhr(p, p.query))));
		});

		if (cors) {

			formatUrl(p, function(url) {

				var x = _this.xhr(p.method, url, p.headers, p.data, callback);
				x.onprogress = p.onprogress || null;

				// Windows Phone does not support xhr.upload, see #74
				// Feature detect
				if (x.upload && p.onuploadprogress) {
					x.upload.onprogress = p.onuploadprogress;
				}

			});

			return;
		}

		// Clone the query object
		// Each request modifies the query object and needs to be tared after each one.
		var _query = p.query;

		p.query = _this.clone(p.query);

		// Assign a new callbackID
		p.callbackID = _this.globalEvent();

		// JSONP
		if (p.jsonp !== false) {

			// Clone the query object
			p.query.callback = p.callbackID;

			// If the JSONP is a function then run it
			if (typeof (p.jsonp) === 'function') {
				p.jsonp(p, p.query);
			}

			// Lets use JSONP if the method is 'get'
			if (p.method === 'get') {

				formatUrl(p, function(url) {
					_this.jsonp(url, callback, p.callbackID, p.timeout);
				});

				return;
			}
			else {
				// It's not compatible reset query
				p.query = _query;
			}

		}

		// Otherwise we're on to the old school, iframe hacks and JSONP
		if (p.form !== false) {

			// Add some additional query parameters to the URL
			// We're pretty stuffed if the endpoint doesn't like these
			p.query.redirect_uri = p.redirect_uri;
			p.query.state = JSON.stringify({callback:p.callbackID});

			var opts;

			if (typeof (p.form) === 'function') {

				// Format the request
				opts = p.form(p, p.query);
			}

			if (p.method === 'post' && opts !== false) {

				formatUrl(p, function(url) {
					_this.post(url, p.data, opts, callback, p.callbackID, p.timeout);
				});

				return;
			}
		}

		// None of the methods were successful throw an error
		callback(error('invalid_request', 'There was no mechanism for handling this request'));

		return;

		// Format URL
		// Constructs the request URL, optionally wraps the URL through a call to a proxy server
		// Returns the formatted URL
		function formatUrl(p, callback) {

			// Are we signing the request?
			var sign;

			// OAuth1
			// Remove the token from the query before signing
			if (p.authResponse && p.authResponse.oauth && parseInt(p.authResponse.oauth.version, 10) === 1) {

				// OAUTH SIGNING PROXY
				sign = p.query.access_token;

				// Remove the access_token
				delete p.query.access_token;

				// Enfore use of Proxy
				p.proxy = true;
			}

			// POST body to querystring
			if (p.data && (p.method === 'get' || p.method === 'delete')) {
				// Attach the p.data to the querystring.
				_this.extend(p.query, p.data);
				p.data = null;
			}

			// Construct the path
			var path = _this.qs(p.url, p.query);

			// Proxy the request through a server
			// Used for signing OAuth1
			// And circumventing services without Access-Control Headers
			if (p.proxy) {
				// Use the proxy as a path
				path = _this.qs(p.oauth_proxy, {
					path: path,
					access_token: sign || '',

					// This will prompt the request to be signed as though it is OAuth1
					then: p.proxy_response_type || (p.method.toLowerCase() === 'get' ? 'redirect' : 'proxy'),
					method: p.method.toLowerCase(),
					suppress_response_codes: true
				});
			}

			callback(path);
		}
	},

	// Test whether the browser supports the CORS response
	request_cors: function(callback) {
		return 'withCredentials' in new XMLHttpRequest() && callback();
	},

	// Return the type of DOM object
	domInstance: function(type, data) {
		var test = 'HTML' + (type || '').replace(
			/^[a-z]/,
			function(m) {
				return m.toUpperCase();
			}

		) + 'Element';

		if (!data) {
			return false;
		}

		if (window[test]) {
			return data instanceof window[test];
		}
		else if (window.Element) {
			return data instanceof window.Element && (!type || (data.tagName && data.tagName.toLowerCase() === type));
		}
		else {
			return (!(data instanceof Object || data instanceof Array || data instanceof String || data instanceof Number) && data.tagName && data.tagName.toLowerCase() === type);
		}
	},

	// Create a clone of an object
	clone: function(obj) {
		// Does not clone DOM elements, nor Binary data, e.g. Blobs, Filelists
		if (obj === null || typeof (obj) !== 'object' || obj instanceof Date || 'nodeName' in obj || this.isBinary(obj)) {
			return obj;
		}

		if (Array.isArray(obj)) {
			// Clone each item in the array
			return obj.map(this.clone.bind(this));
		}

		// But does clone everything else.
		var clone = {};
		for (var x in obj) {
			clone[x] = this.clone(obj[x]);
		}

		return clone;
	},

	// XHR: uses CORS to make requests
	xhr: function(method, url, headers, data, callback) {

		var r = new XMLHttpRequest();
		var error = this.error;

		// Binary?
		var binary = false;
		if (method === 'blob') {
			binary = method;
			method = 'GET';
		}

		method = method.toUpperCase();

		// Xhr.responseType 'json' is not supported in any of the vendors yet.
		r.onload = function(e) {
			var json = r.response;
			try {
				json = JSON.parse(r.responseText);
			}
			catch (_e) {
				if (r.status === 401) {
					json = error('access_denied', r.statusText);
				}
			}

			var headers = headersToJSON(r.getAllResponseHeaders());
			headers.statusCode = r.status;

			callback(json || (method === 'GET' ? error('empty_response', 'Could not get resource') : {}), headers);
		};

		r.onerror = function(e) {
			var json = r.responseText;
			try {
				json = JSON.parse(r.responseText);
			}
			catch (_e) {}

			callback(json || error('access_denied', 'Could not get resource'));
		};

		var x;

		// Should we add the query to the URL?
		if (method === 'GET' || method === 'DELETE') {
			data = null;
		}
		else if (data && typeof (data) !== 'string' && !(data instanceof FormData) && !(data instanceof File) && !(data instanceof Blob)) {
			// Loop through and add formData
			var f = new FormData();
			for (x in data) if (data.hasOwnProperty(x)) {
				if (data[x] instanceof HTMLInputElement) {
					if ('files' in data[x] && data[x].files.length > 0) {
						f.append(x, data[x].files[0]);
					}
				}
				else if (data[x] instanceof Blob) {
					f.append(x, data[x], data.name);
				}
				else {
					f.append(x, data[x]);
				}
			}

			data = f;
		}

		// Open the path, async
		r.open(method, url, true);

		if (binary) {
			if ('responseType' in r) {
				r.responseType = binary;
			}
			else {
				r.overrideMimeType('text/plain; charset=x-user-defined');
			}
		}

		// Set any bespoke headers
		if (headers) {
			for (x in headers) {
				r.setRequestHeader(x, headers[x]);
			}
		}

		r.send(data);

		return r;

		// Headers are returned as a string
		function headersToJSON(s) {
			var r = {};
			var reg = /([a-z\-]+):\s?(.*);?/gi;
			var m;
			while ((m = reg.exec(s))) {
				r[m[1]] = m[2];
			}

			return r;
		}
	},

	// JSONP
	// Injects a script tag into the DOM to be executed and appends a callback function to the window object
	// @param string/function pathFunc either a string of the URL or a callback function pathFunc(querystringhash, continueFunc);
	// @param function callback a function to call on completion;
	jsonp: function(url, callback, callbackID, timeout) {

		var _this = this;
		var error = _this.error;

		// Change the name of the callback
		var bool = 0;
		var head = document.getElementsByTagName('head')[0];
		var operaFix;
		var result = error('server_error', 'server_error');
		var cb = function() {
			if (!(bool++)) {
				window.setTimeout(function() {
					callback(result);
					head.removeChild(script);
				}, 0);
			}

		};

		// Add callback to the window object
		callbackID = _this.globalEvent(function(json) {
			result = json;
			return true;

			// Mark callback as done
		}, callbackID);

		// The URL is a function for some cases and as such
		// Determine its value with a callback containing the new parameters of this function.
		url = url.replace(new RegExp('=\\?(&|$)'), '=' + callbackID + '$1');

		// Build script tag
		var script = _this.append('script', {
			id: callbackID,
			name: callbackID,
			src: url,
			async: true,
			onload: cb,
			onerror: cb,
			onreadystatechange: function() {
				if (/loaded|complete/i.test(this.readyState)) {
					cb();
				}
			}
		});

		// Opera fix error
		// Problem: If an error occurs with script loading Opera fails to trigger the script.onerror handler we specified
		//
		// Fix:
		// By setting the request to synchronous we can trigger the error handler when all else fails.
		// This action will be ignored if we've already called the callback handler "cb" with a successful onload event
		if (window.navigator.userAgent.toLowerCase().indexOf('opera') > -1) {
			operaFix = _this.append('script', {
				text: 'document.getElementById(\'' + callbackId + '\').onerror();'
			});
			script.async = false;
		}

		// Add timeout
		if (timeout) {
			window.setTimeout(function() {
				result = error('timeout', 'timeout');
				cb();
			}, timeout);
		}

		// TODO: add fix for IE,
		// However: unable recreate the bug of firing off the onreadystatechange before the script content has been executed and the value of "result" has been defined.
		// Inject script tag into the head element
		head.appendChild(script);

		// Append Opera Fix to run after our script
		if (operaFix) {
			head.appendChild(operaFix);
		}
	},

	// Post
	// Send information to a remote location using the post mechanism
	// @param string uri path
	// @param object data, key value data to send
	// @param function callback, function to execute in response
	post: function(url, data, options, callback, callbackID, timeout) {

		var _this = this;
		var error = _this.error;
		var doc = document;

		// This hack needs a form
		var form = null;
		var reenableAfterSubmit = [];
		var newform;
		var i = 0;
		var x = null;
		var bool = 0;
		var cb = function(r) {
			if (!(bool++)) {
				callback(r);
			}
		};

		// What is the name of the callback to contain
		// We'll also use this to name the iframe
		_this.globalEvent(cb, callbackID);

		// Build the iframe window
		var win;
		try {
			// IE7 hack, only lets us define the name here, not later.
			win = doc.createElement('<iframe name="' + callbackID + '">');
		}
		catch (e) {
			win = doc.createElement('iframe');
		}

		win.name = callbackID;
		win.id = callbackID;
		win.style.display = 'none';

		// Override callback mechanism. Triggger a response onload/onerror
		if (options && options.callbackonload) {
			// Onload is being fired twice
			win.onload = function() {
				cb({
					response: 'posted',
					message: 'Content was posted'
				});
			};
		}

		if (timeout) {
			setTimeout(function() {
				cb(error('timeout', 'The post operation timed out'));
			}, timeout);
		}

		doc.body.appendChild(win);

		// If we are just posting a single item
		if (_this.domInstance('form', data)) {
			// Get the parent form
			form = data.form;

			// Loop through and disable all of its siblings
			for (i = 0; i < form.elements.length; i++) {
				if (form.elements[i] !== data) {
					form.elements[i].setAttribute('disabled', true);
				}
			}

			// Move the focus to the form
			data = form;
		}

		// Posting a form
		if (_this.domInstance('form', data)) {
			// This is a form element
			form = data;

			// Does this form need to be a multipart form?
			for (i = 0; i < form.elements.length; i++) {
				if (!form.elements[i].disabled && form.elements[i].type === 'file') {
					form.encoding = form.enctype = 'multipart/form-data';
					form.elements[i].setAttribute('name', 'file');
				}
			}
		}
		else {
			// Its not a form element,
			// Therefore it must be a JSON object of Key=>Value or Key=>Element
			// If anyone of those values are a input type=file we shall shall insert its siblings into the form for which it belongs.
			for (x in data) if (data.hasOwnProperty(x)) {
				// Is this an input Element?
				if (_this.domInstance('input', data[x]) && data[x].type === 'file') {
					form = data[x].form;
					form.encoding = form.enctype = 'multipart/form-data';
				}
			}

			// Do If there is no defined form element, lets create one.
			if (!form) {
				// Build form
				form = doc.createElement('form');
				doc.body.appendChild(form);
				newform = form;
			}

			var input;

			// Add elements to the form if they dont exist
			for (x in data) if (data.hasOwnProperty(x)) {

				// Is this an element?
				var el = (_this.domInstance('input', data[x]) || _this.domInstance('textArea', data[x]) || _this.domInstance('select', data[x]));

				// Is this not an input element, or one that exists outside the form.
				if (!el || data[x].form !== form) {

					// Does an element have the same name?
					var inputs = form.elements[x];
					if (input) {
						// Remove it.
						if (!(inputs instanceof NodeList)) {
							inputs = [inputs];
						}

						for (i = 0; i < inputs.length; i++) {
							inputs[i].parentNode.removeChild(inputs[i]);
						}

					}

					// Create an input element
					input = doc.createElement('input');
					input.setAttribute('type', 'hidden');
					input.setAttribute('name', x);

					// Does it have a value attribute?
					if (el) {
						input.value = data[x].value;
					}
					else if (_this.domInstance(null, data[x])) {
						input.value = data[x].innerHTML || data[x].innerText;
					}
					else {
						input.value = data[x];
					}

					form.appendChild(input);
				}

				// It is an element, which exists within the form, but the name is wrong
				else if (el && data[x].name !== x) {
					data[x].setAttribute('name', x);
					data[x].name = x;
				}
			}

			// Disable elements from within the form if they weren't specified
			for (i = 0; i < form.elements.length; i++) {

				input = form.elements[i];

				// Does the same name and value exist in the parent
				if (!(input.name in data) && input.getAttribute('disabled') !== true) {
					// Disable
					input.setAttribute('disabled', true);

					// Add re-enable to callback
					reenableAfterSubmit.push(input);
				}
			}
		}

		// Set the target of the form
		form.setAttribute('method', 'POST');
		form.setAttribute('target', callbackID);
		form.target = callbackID;

		// Update the form URL
		form.setAttribute('action', url);

		// Submit the form
		// Some reason this needs to be offset from the current window execution
		setTimeout(function() {
			form.submit();

			setTimeout(function() {
				try {
					// Remove the iframe from the page.
					//win.parentNode.removeChild(win);
					// Remove the form
					if (newform) {
						newform.parentNode.removeChild(newform);
					}
				}
				catch (e) {
					try {
						console.error('HelloJS: could not remove iframe');
					}
					catch (ee) {}
				}

				// Reenable the disabled form
				for (var i = 0; i < reenableAfterSubmit.length; i++) {
					if (reenableAfterSubmit[i]) {
						reenableAfterSubmit[i].setAttribute('disabled', false);
						reenableAfterSubmit[i].disabled = false;
					}
				}
			}, 0);
		}, 100);
	},

	// Some of the providers require that only multipart is used with non-binary forms.
	// This function checks whether the form contains binary data
	hasBinary: function(data) {
		for (var x in data) if (data.hasOwnProperty(x)) {
			if (this.isBinary(data[x])) {
				return true;
			}
		}

		return false;
	},

	// Determines if a variable Either Is or like a FormInput has the value of a Blob

	isBinary: function(data) {

		return data instanceof Object && (
		(this.domInstance('input', data) && data.type === 'file') ||
		('FileList' in window && data instanceof window.FileList) ||
		('File' in window && data instanceof window.File) ||
		('Blob' in window && data instanceof window.Blob));

	},

	// Convert Data-URI to Blob string
	toBlob: function(dataURI) {
		var reg = /^data\:([^;,]+(\;charset=[^;,]+)?)(\;base64)?,/i;
		var m = dataURI.match(reg);
		if (!m) {
			return dataURI;
		}

		var binary = atob(dataURI.replace(reg, ''));
		var array = [];
		for (var i = 0; i < binary.length; i++) {
			array.push(binary.charCodeAt(i));
		}

		return new Blob([new Uint8Array(array)], {type: m[1]});
	}

});

// EXTRA: Convert FormElement to JSON for POSTing
// Wrappers to add additional functionality to existing functions
(function(hello) {

	// Copy original function
	var api = hello.api;
	var utils = hello.utils;

	utils.extend(utils, {

		// DataToJSON
		// This takes a FormElement|NodeList|InputElement|MixedObjects and convers the data object to JSON.
		dataToJSON: function(p) {

			var _this = this;
			var w = window;
			var data = p.data;

			// Is data a form object
			if (_this.domInstance('form', data)) {
				data = _this.nodeListToJSON(data.elements);
			}
			else if ('NodeList' in w && data instanceof NodeList) {
				data = _this.nodeListToJSON(data);
			}
			else if (_this.domInstance('input', data)) {
				data = _this.nodeListToJSON([data]);
			}

			// Is data a blob, File, FileList?
			if (('File' in w && data instanceof w.File) ||
				('Blob' in w && data instanceof w.Blob) ||
				('FileList' in w && data instanceof w.FileList)) {
				data = {file: data};
			}

			// Loop through data if it's not form data it must now be a JSON object
			if (!('FormData' in w && data instanceof w.FormData)) {

				for (var x in data) if (data.hasOwnProperty(x)) {

					if ('FileList' in w && data[x] instanceof w.FileList) {
						if (data[x].length === 1) {
							data[x] = data[x][0];
						}
					}
					else if (_this.domInstance('input', data[x]) && data[x].type === 'file') {
						continue;
					}
					else if (_this.domInstance('input', data[x]) ||
						_this.domInstance('select', data[x]) ||
						_this.domInstance('textArea', data[x])) {
						data[x] = data[x].value;
					}
					else if (_this.domInstance(null, data[x])) {
						data[x] = data[x].innerHTML || data[x].innerText;
					}
				}
			}

			p.data = data;
			return data;
		},

		// NodeListToJSON
		// Given a list of elements extrapolate their values and return as a json object
		nodeListToJSON: function(nodelist) {

			var json = {};

			// Create a data string
			for (var i = 0; i < nodelist.length; i++) {

				var input = nodelist[i];

				// If the name of the input is empty or diabled, dont add it.
				if (input.disabled || !input.name) {
					continue;
				}

				// Is this a file, does the browser not support 'files' and 'FormData'?
				if (input.type === 'file') {
					json[input.name] = input;
				}
				else {
					json[input.name] = input.value || input.innerHTML;
				}
			}

			return json;
		}
	});

	// Replace it
	hello.api = function() {

		// Get arguments
		var p = utils.args({path: 's!', method: 's', data:'o', timeout: 'i', callback: 'f'}, arguments);

		// Change for into a data object
		if (p.data) {
			utils.dataToJSON(p);
		}

		return api.call(this, p);
	};

})(hello);

// Script to support ChromeApps
// This overides the hello.utils.popup method to support chrome.identity.launchWebAuthFlow
// See https://developer.chrome.com/apps/app_identity#non

// Is this a chrome app?

if (typeof chrome === 'object' && typeof chrome.identity === 'object' && chrome.identity.launchWebAuthFlow) {

	(function() {

		// Swap the popup method
		hello.utils.popup = function(url) {

			return _open(url, true);

		};

		// Swap the hidden iframe method
		hello.utils.iframe = function(url) {

			_open(url, false);

		};

		// Swap the request_cors method
		hello.utils.request_cors = function(callback) {

			callback();

			// Always run as CORS

			return true;
		};

		// Swap the storage method
		var _cache = {};
		chrome.storage.local.get('hello', function(r) {
			// Update the cache
			_cache = r.hello;
		});

		hello.utils.store = function(name, value) {

			// Get all
			if (arguments.length === 0) {
				return _cache;
			}

			// Get
			if (arguments.length === 1) {
				return _cache[name] || null;
			}

			// Set
			if (value) {
				_cache[name] = value;
				chrome.storage.local.set({hello: _cache});
				return value;
			}

			// Delete
			if (value === null) {
				delete _cache[name];
				chrome.storage.local.set({hello: _cache});
				return null;
			}
		};

		// Open function
		function _open(url, interactive) {

			// Launch
			var ref = {
				closed: false
			};

			// Launch the webAuthFlow
			chrome.identity.launchWebAuthFlow({
				url: url,
				interactive: interactive
			}, function(responseUrl) {

				// Did the user cancel this prematurely
				if (responseUrl === undefined) {
					ref.closed = true;
					return;
				}

				// Split appart the URL
				var a = hello.utils.url(responseUrl);

				// The location can be augmented in to a location object like so...
				// We dont have window operations on the popup so lets create some
				var _popup = {
					location: {

						// Change the location of the popup
						assign: function(url) {

							// If there is a secondary reassign
							// In the case of OAuth1
							// Trigger this in non-interactive mode.
							_open(url, false);
						},

						search: a.search,
						hash: a.hash,
						href: a.href
					},
					close: function() {}
				};

				// Then this URL contains information which HelloJS must process
				// URL string
				// Window - any action such as window relocation goes here
				// Opener - the parent window which opened this, aka this script

				hello.utils.responseHandler(_popup, window);
			});

			// Return the reference
			return ref;
		}

	})();
}

(function(hello) {

	// OAuth1
	var OAuth1Settings = {
		version: '1.0',
		auth: 'https://www.dropbox.com/1/oauth/authorize',
		request: 'https://api.dropbox.com/1/oauth/request_token',
		token: 'https://api.dropbox.com/1/oauth/access_token'
	};

	// OAuth2 Settings
	var OAuth2Settings = {
		version: 2,
		auth: 'https://www.dropbox.com/1/oauth2/authorize',
		grant: 'https://api.dropbox.com/1/oauth2/token'
	};

	// Initiate the Dropbox module
	hello.init({

		dropbox: {

			name: 'Dropbox',

			oauth: OAuth2Settings,

			login: function(p) {
				// OAuth2 non-standard adjustments
				p.qs.scope = '';
				delete p.qs.display;

				// Should this be run as OAuth1?
				// If the redirect_uri is is HTTP (non-secure) then its required to revert to the OAuth1 endpoints
				var redirect = decodeURIComponent(p.qs.redirect_uri);
				if (redirect.indexOf('http:') === 0 && redirect.indexOf('http://localhost/') !== 0) {

					// Override the dropbox OAuth settings.
					hello.services.dropbox.oauth = OAuth1Settings;
				}
				else {
					// Override the dropbox OAuth settings.
					hello.services.dropbox.oauth = OAuth2Settings;
				}

				// The dropbox login window is a different size
				p.options.popup.width = 1000;
				p.options.popup.height = 1000;
			},

			/*
				Dropbox does not allow insecure HTTP URI's in the redirect_uri field
				...otherwise I'd love to use OAuth2

				Follow request https://forums.dropbox.com/topic.php?id=106505

				p.qs.response_type = 'code';
				oauth: {
					version: 2,
					auth: 'https://www.dropbox.com/1/oauth2/authorize',
					grant: 'https://api.dropbox.com/1/oauth2/token'
				}
			*/

			// API Base URL
			base: 'https://api.dropbox.com/1/',

			// Bespoke setting: this is states whether to use the custom environment of Dropbox or to use their own environment
			// Because it's notoriously difficult for Dropbox too provide access from other webservices, this defaults to Sandbox
			root: 'sandbox',

			// Map GET requests
			get: {
				me: 'account/info',

				// Https://www.dropbox.com/developers/core/docs#metadata
				'me/files': req('metadata/auto/@{parent|}'),
				'me/folder': req('metadata/auto/@{id}'),
				'me/folders': req('metadata/auto/'),

				'default': function(p, callback) {
					if (p.path.match('https://api-content.dropbox.com/1/files/')) {
						// This is a file, return binary data
						p.method = 'blob';
					}

					callback(p.path);
				}
			},

			post: {
				'me/files': function(p, callback) {

					var path = p.data.parent;
					var fileName = p.data.name;

					p.data = {
						file: p.data.file
					};

					// Does this have a data-uri to upload as a file?
					if (typeof (p.data.file) === 'string') {
						p.data.file = hello.utils.toBlob(p.data.file);
					}

					callback('https://api-content.dropbox.com/1/files_put/auto/' + path + '/' + fileName);
				},

				'me/folders': function(p, callback) {

					var name = p.data.name;
					p.data = {};

					callback('fileops/create_folder?root=@{root|sandbox}&' + hello.utils.param({
						path: name
					}));
				}
			},

			// Map DELETE requests
			del: {
				'me/files': 'fileops/delete?root=@{root|sandbox}&path=@{id}',
				'me/folder': 'fileops/delete?root=@{root|sandbox}&path=@{id}'
			},

			wrap: {
				me: function(o) {
					formatError(o);
					if (!o.uid) {
						return o;
					}

					o.name = o.display_name;
					var m = o.name.split(' ');
					o.first_name = m.shift();
					o.last_name = m.join(' ');
					o.id = o.uid;
					delete o.uid;
					delete o.display_name;
					return o;
				},

				'default': function(o, headers, req) {
					formatError(o);
					if (o.is_dir && o.contents) {
						o.data = o.contents;
						delete o.contents;

						o.data.forEach(function(item) {
							item.root = o.root;
							formatFile(item, headers, req);
						});
					}

					formatFile(o, headers, req);

					if (o.is_deleted) {
						o.success = true;
					}

					return o;
				}
			},

			// Doesn't return the CORS headers
			xhr: function(p) {

				// The proxy supports allow-cross-origin-resource
				// Alas that's the only thing we're using.
				if (p.data && p.data.file) {
					var file = p.data.file;
					if (file) {
						if (file.files) {
							p.data = file.files[0];
						}
						else {
							p.data = file;
						}
					}
				}

				if (p.method === 'delete') {
					p.method = 'post';
				}

				return true;
			},

			form: function(p, qs) {
				delete qs.state;
				delete qs.redirect_uri;
			}
		}
	});

	function formatError(o) {
		if (o && 'error' in o) {
			o.error = {
				code: 'server_error',
				message: o.error.message || o.error
			};
		}
	}

	function formatFile(o, headers, req) {

		if (typeof o !== 'object' ||
			(typeof Blob !== 'undefined' && o instanceof Blob) ||
			(typeof ArrayBuffer !== 'undefined' && o instanceof ArrayBuffer)) {
			// This is a file, let it through unformatted
			return;
		}

		if ('error' in o) {
			return;
		}

		var path = (o.root !== 'app_folder' ? o.root : '') + o.path.replace(/\&/g, '%26');
		path = path.replace(/^\//, '');
		if (o.thumb_exists) {
			o.thumbnail = req.oauth_proxy + '?path=' +
			encodeURIComponent('https://api-content.dropbox.com/1/thumbnails/auto/' + path + '?format=jpeg&size=m') + '&access_token=' + req.options.access_token;
		}

		o.type = (o.is_dir ? 'folder' : o.mime_type);
		o.name = o.path.replace(/.*\//g, '');
		if (o.is_dir) {
			o.files = path.replace(/^\//, '');
		}
		else {
			o.downloadLink = hello.settings.oauth_proxy + '?path=' +
			encodeURIComponent('https://api-content.dropbox.com/1/files/auto/' + path) + '&access_token=' + req.options.access_token;
			o.file = 'https://api-content.dropbox.com/1/files/auto/' + path;
		}

		if (!o.id) {
			o.id = o.path.replace(/^\//, '');
		}

		// O.media = 'https://api-content.dropbox.com/1/files/' + path;
	}

	function req(str) {
		return function(p, cb) {
			delete p.query.limit;
			cb(str);
		};
	}

})(hello);

(function(hello) {

	hello.init({

		facebook: {

			name: 'Facebook',

			// SEE https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow/v2.1
			oauth: {
				version: 2,
				auth: 'https://www.facebook.com/dialog/oauth/',
				grant: 'https://graph.facebook.com/oauth/access_token'
			},

			// Authorization scopes
			scope: {
				basic: 'public_profile',
				email: 'email',
				share: 'user_posts',
				birthday: 'user_birthday',
				events: 'user_events',
				photos: 'user_photos,user_videos',
				videos: 'user_photos,user_videos',
				friends: 'user_friends',
				files: 'user_photos,user_videos',
				publish_files: 'user_photos,user_videos,publish_actions',
				publish: 'publish_actions',

				// Deprecated in v2.0
				// Create_event	: 'create_event',

				offline_access: 'offline_access'
			},

			// Refresh the access_token
			refresh: true,

			login: function(p) {

				// Reauthenticate
				// https://developers.facebook.com/docs/facebook-login/reauthentication
				if (p.options.force) {
					p.qs.auth_type = 'reauthenticate';
				}

				// Support Facebook's unique auth_type parameter
				if (p.options.auth_type) {
					p.qs.auth_type = p.options.auth_type;
				}

				// The facebook login window is a different size.
				p.options.popup.width = 580;
				p.options.popup.height = 400;
			},

			logout: function(callback, options) {
				// Assign callback to a global handler
				var callbackID = hello.utils.globalEvent(callback);
				var redirect = encodeURIComponent(hello.settings.redirect_uri + '?' + hello.utils.param({callback:callbackID, result: JSON.stringify({force:true}), state: '{}'}));
				var token = (options.authResponse || {}).access_token;
				hello.utils.iframe('https://www.facebook.com/logout.php?next=' + redirect + '&access_token=' + token);

				// Possible responses:
				// String URL	- hello.logout should handle the logout
				// Undefined	- this function will handle the callback
				// True - throw a success, this callback isn't handling the callback
				// False - throw a error
				if (!token) {
					// If there isn't a token, the above wont return a response, so lets trigger a response
					return false;
				}
			},

			// API Base URL
			base: 'https://graph.facebook.com/v2.3/',

			// Map GET requests
			get: {
				me: 'me',
				'me/friends': 'me/friends',
				'me/following': 'me/friends',
				'me/followers': 'me/friends',
				'me/share': 'me/feed',
				'me/like': 'me/likes',
				'me/files': 'me/albums',
				'me/albums': 'me/albums',
				'me/album': '@{id}/photos',
				'me/photos': 'me/photos',
				'me/photo': '@{id}',
				'friend/albums': '@{id}/albums',
				'friend/photos': '@{id}/photos'

				// Pagination
				// Https://developers.facebook.com/docs/reference/api/pagination/
			},

			// Map POST requests
			post: {
				'me/share': 'me/feed',
				'me/photo': '@{id}'

				// Https://developers.facebook.com/docs/graph-api/reference/v2.2/object/likes/
			},

			wrap: {
				me: formatUser,
				'me/friends': formatFriends,
				'me/following': formatFriends,
				'me/followers': formatFriends,
				'me/albums': format,
				'me/photos': format,
				'me/files': format,
				'default': format
			},

			// Special requirements for handling XHR
			xhr: function(p, qs) {
				if (p.method === 'get' || p.method === 'post') {
					qs.suppress_response_codes = true;
				}

				// Is this a post with a data-uri?
				if (p.method === 'post' && p.data && typeof (p.data.file) === 'string') {
					// Convert the Data-URI to a Blob
					p.data.file = hello.utils.toBlob(p.data.file);
				}

				return true;
			},

			// Special requirements for handling JSONP fallback
			jsonp: function(p, qs) {
				var m = p.method;
				if (m !== 'get' && !hello.utils.hasBinary(p.data)) {
					p.data.method = m;
					p.method = 'get';
				}
				else if (p.method === 'delete') {
					qs.method = 'delete';
					p.method = 'post';
				}
			},

			// Special requirements for iframe form hack
			form: function(p) {
				return {
					// Fire the callback onload
					callbackonload: true
				};
			}
		}
	});

	var base = 'https://graph.facebook.com/';

	function formatUser(o) {
		if (o.id) {
			o.thumbnail = o.picture = 'https://graph.facebook.com/' + o.id + '/picture';
		}

		return o;
	}

	function formatFriends(o) {
		if ('data' in o) {
			o.data.forEach(formatUser);
		}

		return o;
	}

	function format(o, headers, req) {
		if (typeof o === 'boolean') {
			o = {success: o};
		}

		if (o && 'data' in o) {
			var token = req.query.access_token;
			o.data.forEach(function(d) {

				if (d.picture) {
					d.thumbnail = d.picture;
				}

				d.pictures = (d.images || [])
					.sort(function(a, b) {
						return a.width - b.width;
					});

				if (d.cover_photo) {
					d.thumbnail = base + d.cover_photo + '/picture?access_token=' + token;
				}

				if (d.type === 'album') {
					d.files = d.photos = base + d.id + '/photos';
				}

				if (d.can_upload) {
					d.upload_location = base + d.id + '/photos';
				}
			});
		}

		return o;
	}

})(hello);

(function(hello) {

	hello.init({

		flickr: {

			name: 'Flickr',

			// Ensure that you define an oauth_proxy
			oauth: {
				version: '1.0a',
				auth: 'https://www.flickr.com/services/oauth/authorize?perms=read',
				request: 'https://www.flickr.com/services/oauth/request_token',
				token: 'https://www.flickr.com/services/oauth/access_token'
			},

			// API base URL
			base: 'https://api.flickr.com/services/rest',

			// Map GET resquests
			get: {
				me: sign('flickr.people.getInfo'),
				'me/friends': sign('flickr.contacts.getList', {per_page:'@{limit|50}'}),
				'me/following': sign('flickr.contacts.getList', {per_page:'@{limit|50}'}),
				'me/followers': sign('flickr.contacts.getList', {per_page:'@{limit|50}'}),
				'me/albums': sign('flickr.photosets.getList', {per_page:'@{limit|50}'}),
				'me/album': sign('flickr.photosets.getPhotos', {photoset_id: '@{id}'}),
				'me/photos': sign('flickr.people.getPhotos', {per_page:'@{limit|50}'})
			},

			wrap: {
				me: function(o) {
					formatError(o);
					o = checkResponse(o, 'person');
					if (o.id) {
						if (o.realname) {
							o.name = o.realname._content;
							var m = o.name.split(' ');
							o.first_name = m.shift();
							o.last_name = m.join(' ');
						}

						o.thumbnail = getBuddyIcon(o, 'l');
						o.picture = getBuddyIcon(o, 'l');
					}

					return o;
				},

				'me/friends': formatFriends,
				'me/followers': formatFriends,
				'me/following': formatFriends,
				'me/albums': function(o) {
					formatError(o);
					o = checkResponse(o, 'photosets');
					paging(o);
					if (o.photoset) {
						o.data = o.photoset;
						o.data.forEach(function(item) {
							item.name = item.title._content;
							item.photos = 'https://api.flickr.com/services/rest' + getApiUrl('flickr.photosets.getPhotos', {photoset_id: item.id}, true);
						});

						delete o.photoset;
					}

					return o;
				},

				'me/photos': function(o) {
					formatError(o);
					return formatPhotos(o);
				},

				'default': function(o) {
					formatError(o);
					return formatPhotos(o);
				}
			},

			xhr: false,

			jsonp: function(p, qs) {
				if (p.method == 'get') {
					delete qs.callback;
					qs.jsoncallback = p.callbackID;
				}
			}
		}
	});

	function getApiUrl(method, extraParams, skipNetwork) {
		var url = ((skipNetwork) ? '' : 'flickr:') +
			'?method=' + method +
			'&api_key=' + hello.services.flickr.id +
			'&format=json';
		for (var param in extraParams) {
			if (extraParams.hasOwnProperty(param)) {
				url += '&' + param + '=' + extraParams[param];
			}
		}

		return url;
	}

	// This is not exactly neat but avoid to call
	// The method 'flickr.test.login' for each api call

	function withUser(cb) {
		var auth = hello.getAuthResponse('flickr');
		cb(auth && auth.user_nsid ? auth.user_nsid : null);
	}

	function sign(url, params) {
		if (!params) {
			params = {};
		}

		return function(p, callback) {
			withUser(function(userId) {
				params.user_id = userId;
				callback(getApiUrl(url, params, true));
			});
		};
	}

	function getBuddyIcon(profile, size) {
		var url = 'https://www.flickr.com/images/buddyicon.gif';
		if (profile.nsid && profile.iconserver && profile.iconfarm) {
			url = 'https://farm' + profile.iconfarm + '.staticflickr.com/' +
				profile.iconserver + '/' +
				'buddyicons/' + profile.nsid +
				((size) ? '_' + size : '') + '.jpg';
		}

		return url;
	}

	// See: https://www.flickr.com/services/api/misc.urls.html
	function createPhotoUrl(id, farm, server, secret, size) {
		size = (size) ? '_' + size : '';
		return 'https://farm' + farm + '.staticflickr.com/' + server + '/' + id + '_' + secret + size + '.jpg';
	}

	function formatUser(o) {
	}

	function formatError(o) {
		if (o && o.stat && o.stat.toLowerCase() != 'ok') {
			o.error = {
				code: 'invalid_request',
				message: o.message
			};
		}
	}

	function formatPhotos(o) {
		if (o.photoset || o.photos) {
			var set = ('photoset' in o) ? 'photoset' : 'photos';
			o = checkResponse(o, set);
			paging(o);
			o.data = o.photo;
			delete o.photo;
			for (var i = 0; i < o.data.length; i++) {
				var photo = o.data[i];
				photo.name = photo.title;
				photo.picture = createPhotoUrl(photo.id, photo.farm, photo.server, photo.secret, '');
				photo.pictures = createPictures(photo.id, photo.farm, photo.server, photo.secret);
				photo.source = createPhotoUrl(photo.id, photo.farm, photo.server, photo.secret, 'b');
				photo.thumbnail = createPhotoUrl(photo.id, photo.farm, photo.server, photo.secret, 'm');
			}
		}

		return o;
	}

	// See: https://www.flickr.com/services/api/misc.urls.html
	function createPictures(id, farm, server, secret) {

		var NO_LIMIT = 2048;
		var sizes = [
			{id: 't', max: 100},
			{id: 'm', max: 240},
			{id: 'n', max: 320},
			{id: '', max: 500},
			{id: 'z', max: 640},
			{id: 'c', max: 800},
			{id: 'b', max: 1024},
			{id: 'h', max: 1600},
			{id: 'k', max: 2048},
			{id: 'o', max: NO_LIMIT}
		];

		return sizes.map(function(size) {
			return {
				source: createPhotoUrl(id, farm, server, secret, size.id),

				// Note: this is a guess that's almost certain to be wrong (unless square source)
				width: size.max,
				height: size.max
			};
		});
	}

	function checkResponse(o, key) {

		if (key in o) {
			o = o[key];
		}
		else if (!('error' in o)) {
			o.error = {
				code: 'invalid_request',
				message: o.message || 'Failed to get data from Flickr'
			};
		}

		return o;
	}

	function formatFriends(o) {
		formatError(o);
		if (o.contacts) {
			o = checkResponse(o, 'contacts');
			paging(o);
			o.data = o.contact;
			delete o.contact;
			for (var i = 0; i < o.data.length; i++) {
				var item = o.data[i];
				item.id = item.nsid;
				item.name = item.realname || item.username;
				item.thumbnail = getBuddyIcon(item, 'm');
			}
		}

		return o;
	}

	function paging(res) {
		if (res.page && res.pages && res.page !== res.pages) {
			res.paging = {
				next: '?page=' + (++res.page)
			};
		}
	}

})(hello);

(function(hello) {

	hello.init({

		foursquare: {

			name: 'Foursquare',

			oauth: {
				// See: https://developer.foursquare.com/overview/auth
				version: 2,
				auth: 'https://foursquare.com/oauth2/authenticate',
				grant: 'https://foursquare.com/oauth2/access_token'
			},

			// Refresh the access_token once expired
			refresh: true,

			base: 'https://api.foursquare.com/v2/',

			get: {
				me: 'users/self',
				'me/friends': 'users/self/friends',
				'me/followers': 'users/self/friends',
				'me/following': 'users/self/friends'
			},

			wrap: {
				me: function(o) {
					formatError(o);
					if (o && o.response) {
						o = o.response.user;
						formatUser(o);
					}

					return o;
				},

				'default': function(o) {
					formatError(o);

					// Format friends
					if (o && 'response' in o && 'friends' in o.response && 'items' in o.response.friends) {
						o.data = o.response.friends.items;
						o.data.forEach(formatUser);
						delete o.response;
					}

					return o;
				}
			},

			xhr: formatRequest,
			jsonp: formatRequest
		}
	});

	function formatError(o) {
		if (o.meta && (o.meta.code === 400 || o.meta.code === 401)) {
			o.error = {
				code: 'access_denied',
				message: o.meta.errorDetail
			};
		}
	}

	function formatUser(o) {
		if (o && o.id) {
			o.thumbnail = o.photo.prefix + '100x100' + o.photo.suffix;
			o.name = o.firstName + ' ' + o.lastName;
			o.first_name = o.firstName;
			o.last_name = o.lastName;
			if (o.contact) {
				if (o.contact.email) {
					o.email = o.contact.email;
				}
			}
		}
	}

	function formatRequest(p, qs) {
		var token = qs.access_token;
		delete qs.access_token;
		qs.oauth_token = token;
		qs.v = 20121125;
		return true;
	}

})(hello);

(function(hello) {

	hello.init({

		github: {

			name: 'GitHub',

			oauth: {
				version: 2,
				auth: 'https://github.com/login/oauth/authorize',
				grant: 'https://github.com/login/oauth/access_token',
				response_type: 'code'
			},

			scope: {
				basic: '',
				email: 'user:email'
			},

			base: 'https://api.github.com/',

			get: {
				me: 'user',
				'me/friends': 'user/following?per_page=@{limit|100}',
				'me/following': 'user/following?per_page=@{limit|100}',
				'me/followers': 'user/followers?per_page=@{limit|100}',
				'me/like': 'user/starred?per_page=@{limit|100}'
			},

			wrap: {
				me: function(o, headers) {

					formatError(o, headers);
					formatUser(o);

					return o;
				},

				'default': function(o, headers, req) {

					formatError(o, headers);

					if (Array.isArray(o)) {
						o = {data:o};
					}

					if (o.data) {
						paging(o, headers, req);
						o.data.forEach(formatUser);
					}

					return o;
				}
			},

			xhr: function(p) {

				if (p.method !== 'get' && p.data) {

					// Serialize payload as JSON
					p.headers = p.headers || {};
					p.headers['Content-Type'] = 'application/json';
					if (typeof (p.data) === 'object') {
						p.data = JSON.stringify(p.data);
					}
				}

				return true;
			}
		}
	});

	function formatError(o, headers) {
		var code = headers ? headers.statusCode : (o && 'meta' in o && 'status' in o.meta && o.meta.status);
		if ((code === 401 || code === 403)) {
			o.error = {
				code: 'access_denied',
				message: o.message || (o.data ? o.data.message : 'Could not get response')
			};
			delete o.message;
		}
	}

	function formatUser(o) {
		if (o.id) {
			o.thumbnail = o.picture = o.avatar_url;
			o.name = o.login;
		}
	}

	function paging(res, headers, req) {
		if (res.data && res.data.length && headers && headers.Link) {
			var next = headers.Link.match(/<(.*?)>;\s*rel=\"next\"/);
			if (next) {
				res.paging = {
					next: next[1]
				};
			}
		}
	}

})(hello);

(function(hello) {

	var contactsUrl = 'https://www.google.com/m8/feeds/contacts/default/full?v=3.0&alt=json&max-results=@{limit|1000}&start-index=@{start|1}';

	hello.init({

		google: {

			name: 'Google Plus',

			// See: http://code.google.com/apis/accounts/docs/OAuth2UserAgent.html
			oauth: {
				version: 2,
				auth: 'https://accounts.google.com/o/oauth2/auth',
				grant: 'https://accounts.google.com/o/oauth2/token'
			},

			// Authorization scopes
			scope: {
				basic: 'https://www.googleapis.com/auth/plus.me profile',
				email: 'email',
				birthday: '',
				events: '',
				photos: 'https://picasaweb.google.com/data/',
				videos: 'http://gdata.youtube.com',
				friends: 'https://www.google.com/m8/feeds, https://www.googleapis.com/auth/plus.login',
				files: 'https://www.googleapis.com/auth/drive.readonly',
				publish: '',
				publish_files: 'https://www.googleapis.com/auth/drive',
				create_event: '',
				offline_access: ''
			},

			scope_delim: ' ',

			login: function(p) {
				if (p.qs.display === 'none') {
					// Google doesn't like display=none
					p.qs.display = '';
				}

				if (p.qs.response_type === 'code') {

					// Let's set this to an offline access to return a refresh_token
					p.qs.access_type = 'offline';
				}

				// Reauthenticate
				// https://developers.google.com/identity/protocols/
				if (p.options.force) {
					p.qs.approval_prompt = 'force';
				}
			},

			// API base URI
			base: 'https://www.googleapis.com/',

			// Map GET requests
			get: {
				me: 'plus/v1/people/me',

				// Deprecated Sept 1, 2014
				//'me': 'oauth2/v1/userinfo?alt=json',

				// See: https://developers.google.com/+/api/latest/people/list
				'me/friends': 'plus/v1/people/me/people/visible?maxResults=@{limit|100}',
				'me/following': contactsUrl,
				'me/followers': contactsUrl,
				'me/contacts': contactsUrl,
				'me/share': 'plus/v1/people/me/activities/public?maxResults=@{limit|100}',
				'me/feed': 'plus/v1/people/me/activities/public?maxResults=@{limit|100}',
				'me/albums': 'https://picasaweb.google.com/data/feed/api/user/default?alt=json&max-results=@{limit|100}&start-index=@{start|1}',
				'me/album': function(p, callback) {
					var key = p.query.id;
					delete p.query.id;
					callback(key.replace('/entry/', '/feed/'));
				},

				'me/photos': 'https://picasaweb.google.com/data/feed/api/user/default?alt=json&kind=photo&max-results=@{limit|100}&start-index=@{start|1}',

				// See: https://developers.google.com/drive/v2/reference/files/list
				'me/files': 'drive/v2/files?q=%22@{parent|root}%22+in+parents+and+trashed=false&maxResults=@{limit|100}',

				// See: https://developers.google.com/drive/v2/reference/files/list
				'me/folders': 'drive/v2/files?q=%22@{id|root}%22+in+parents+and+mimeType+=+%22application/vnd.google-apps.folder%22+and+trashed=false&maxResults=@{limit|100}',

				// See: https://developers.google.com/drive/v2/reference/files/list
				'me/folder': 'drive/v2/files?q=%22@{id|root}%22+in+parents+and+trashed=false&maxResults=@{limit|100}'
			},

			// Map POST requests
			post: {

				// Google Drive
				'me/files': uploadDrive,
				'me/folders': function(p, callback) {
					p.data = {
						title: p.data.name,
						parents: [{id: p.data.parent || 'root'}],
						mimeType: 'application/vnd.google-apps.folder'
					};
					callback('drive/v2/files');
				}
			},

			// Map PUT requests
			put: {
				'me/files': uploadDrive
			},

			// Map DELETE requests
			del: {
				'me/files': 'drive/v2/files/@{id}',
				'me/folder': 'drive/v2/files/@{id}'
			},

			wrap: {
				me: function(o) {
					if (o.id) {
						o.last_name = o.family_name || (o.name ? o.name.familyName : null);
						o.first_name = o.given_name || (o.name ? o.name.givenName : null);

						if (o.emails && o.emails.length) {
							o.email = o.emails[0].value;
						}

						formatPerson(o);
					}

					return o;
				},

				'me/friends': function(o) {
					if (o.items) {
						paging(o);
						o.data = o.items;
						o.data.forEach(formatPerson);
						delete o.items;
					}

					return o;
				},

				'me/contacts': formatFriends,
				'me/followers': formatFriends,
				'me/following': formatFriends,
				'me/share': formatFeed,
				'me/feed': formatFeed,
				'me/albums': gEntry,
				'me/photos': formatPhotos,
				'default': gEntry
			},

			xhr: function(p) {

				if (p.method === 'post' || p.method === 'put') {
					toJSON(p);
				}

				return true;
			},

			// Don't even try submitting via form.
			// This means no POST operations in <=IE9
			form: false
		}
	});

	function toInt(s) {
		return parseInt(s, 10);
	}

	function formatFeed(o) {
		paging(o);
		o.data = o.items;
		delete o.items;
		return o;
	}

	// Format: ensure each record contains a name, id etc.
	function formatItem(o) {
		if (o.error) {
			return;
		}

		if (!o.name) {
			o.name = o.title || o.message;
		}

		if (!o.picture) {
			o.picture = o.thumbnailLink;
		}

		if (!o.thumbnail) {
			o.thumbnail = o.thumbnailLink;
		}

		if (o.mimeType === 'application/vnd.google-apps.folder') {
			o.type = 'folder';
			o.files = 'https://www.googleapis.com/drive/v2/files?q=%22' + o.id + '%22+in+parents';
		}

		return o;
	}

	function formatImage(image) {
		return {
			source: image.url,
			width: image.width,
			height: image.height
		};
	}

	function formatPhotos(o) {
		o.data = o.feed.entry.map(formatEntry);
		delete o.feed;
	}

	// Google has a horrible JSON API
	function gEntry(o) {
		paging(o);

		if ('feed' in o && 'entry' in o.feed) {
			o.data = o.feed.entry.map(formatEntry);
			delete o.feed;
		}

		// Old style: Picasa, etc.
		else if ('entry' in o) {
			return formatEntry(o.entry);
		}

		// New style: Google Drive & Plus
		else if ('items' in o) {
			o.data = o.items.map(formatItem);
			delete o.items;
		}
		else {
			formatItem(o);
		}

		return o;
	}

	function formatPerson(o) {
		o.name = o.displayName || o.name;
		o.picture = o.picture || (o.image ? o.image.url : null);
		o.thumbnail = o.picture;
	}

	function formatFriends(o, headers, req) {
		paging(o);
		var r = [];
		if ('feed' in o && 'entry' in o.feed) {
			var token = req.query.access_token;
			for (var i = 0; i < o.feed.entry.length; i++) {
				var a = o.feed.entry[i];

				a.id	= a.id.$t;
				a.name	= a.title.$t;
				delete a.title;
				if (a.gd$email) {
					a.email	= (a.gd$email && a.gd$email.length > 0) ? a.gd$email[0].address : null;
					a.emails = a.gd$email;
					delete a.gd$email;
				}

				if (a.updated) {
					a.updated = a.updated.$t;
				}

				if (a.link) {

					var pic = (a.link.length > 0) ? a.link[0].href : null;
					if (pic && a.link[0].gd$etag) {
						pic += (pic.indexOf('?') > -1 ? '&' : '?') + 'access_token=' + token;
						a.picture = pic;
						a.thumbnail = pic;
					}

					delete a.link;
				}

				if (a.category) {
					delete a.category;
				}
			}

			o.data = o.feed.entry;
			delete o.feed;
		}

		return o;
	}

	function formatEntry(a) {

		var group = a.media$group;
		var photo = group.media$content.length ? group.media$content[0] : {};
		var mediaContent = group.media$content || [];
		var mediaThumbnail = group.media$thumbnail || [];

		var pictures = mediaContent
			.concat(mediaThumbnail)
			.map(formatImage)
			.sort(function(a, b) {
				return a.width - b.width;
			});

		var i = 0;
		var _a;
		var p = {
			id: a.id.$t,
			name: a.title.$t,
			description: a.summary.$t,
			updated_time: a.updated.$t,
			created_time: a.published.$t,
			picture: photo ? photo.url : null,
			pictures: pictures,
			images: [],
			thumbnail: photo ? photo.url : null,
			width: photo.width,
			height: photo.height
		};

		// Get feed/children
		if ('link' in a) {
			for (i = 0; i < a.link.length; i++) {
				var d = a.link[i];
				if (d.rel.match(/\#feed$/)) {
					p.upload_location = p.files = p.photos = d.href;
					break;
				}
			}
		}

		// Get images of different scales
		if ('category' in a && a.category.length) {
			_a = a.category;
			for (i = 0; i < _a.length; i++) {
				if (_a[i].scheme && _a[i].scheme.match(/\#kind$/)) {
					p.type = _a[i].term.replace(/^.*?\#/, '');
				}
			}
		}

		// Get images of different scales
		if ('media$thumbnail' in group && group.media$thumbnail.length) {
			_a = group.media$thumbnail;
			p.thumbnail = _a[0].url;
			p.images = _a.map(formatImage);
		}

		_a = group.media$content;

		if (_a && _a.length) {
			p.images.push(formatImage(_a[0]));
		}

		return p;
	}

	function paging(res) {

		// Contacts V2
		if ('feed' in res && res.feed.openSearch$itemsPerPage) {
			var limit = toInt(res.feed.openSearch$itemsPerPage.$t);
			var start = toInt(res.feed.openSearch$startIndex.$t);
			var total = toInt(res.feed.openSearch$totalResults.$t);

			if ((start + limit) < total) {
				res.paging = {
					next: '?start=' + (start + limit)
				};
			}
		}
		else if ('nextPageToken' in res) {
			res.paging = {
				next: '?pageToken=' + res.nextPageToken
			};
		}
	}

	// Construct a multipart message
	function Multipart() {

		// Internal body
		var body = [];
		var boundary = (Math.random() * 1e10).toString(32);
		var counter = 0;
		var lineBreak = '\r\n';
		var delim = lineBreak + '--' + boundary;
		var ready = function() {};

		var dataUri = /^data\:([^;,]+(\;charset=[^;,]+)?)(\;base64)?,/i;

		// Add file
		function addFile(item) {
			var fr = new FileReader();
			fr.onload = function(e) {
				addContent(btoa(e.target.result), item.type + lineBreak + 'Content-Transfer-Encoding: base64');
			};

			fr.readAsBinaryString(item);
		}

		// Add content
		function addContent(content, type) {
			body.push(lineBreak + 'Content-Type: ' + type + lineBreak + lineBreak + content);
			counter--;
			ready();
		}

		// Add new things to the object
		this.append = function(content, type) {

			// Does the content have an array
			if (typeof (content) === 'string' || !('length' in Object(content))) {
				// Converti to multiples
				content = [content];
			}

			for (var i = 0; i < content.length; i++) {

				counter++;

				var item = content[i];

				// Is this a file?
				// Files can be either Blobs or File types
				if (
					(typeof (File) !== 'undefined' && item instanceof File) ||
					(typeof (Blob) !== 'undefined' && item instanceof Blob)
				) {
					// Read the file in
					addFile(item);
				}

				// Data-URI?
				// Data:[<mime type>][;charset=<charset>][;base64],<encoded data>
				// /^data\:([^;,]+(\;charset=[^;,]+)?)(\;base64)?,/i
				else if (typeof (item) === 'string' && item.match(dataUri)) {
					var m = item.match(dataUri);
					addContent(item.replace(dataUri, ''), m[1] + lineBreak + 'Content-Transfer-Encoding: base64');
				}

				// Regular string
				else {
					addContent(item, type);
				}
			}
		};

		this.onready = function(fn) {
			ready = function() {
				if (counter === 0) {
					// Trigger ready
					body.unshift('');
					body.push('--');
					fn(body.join(delim), boundary);
					body = [];
				}
			};

			ready();
		};
	}

	// Upload to Drive
	// If this is PUT then only augment the file uploaded
	// PUT https://developers.google.com/drive/v2/reference/files/update
	// POST https://developers.google.com/drive/manage-uploads
	function uploadDrive(p, callback) {

		var data = {};

		// Test for DOM element
		if (p.data &&
			(typeof (HTMLInputElement) !== 'undefined' && p.data instanceof HTMLInputElement)
		) {
			p.data = {file: p.data};
		}

		if (!p.data.name && Object(Object(p.data.file).files).length && p.method === 'post') {
			p.data.name = p.data.file.files[0].name;
		}

		if (p.method === 'post') {
			p.data = {
				title: p.data.name,
				parents: [{id: p.data.parent || 'root'}],
				file: p.data.file
			};
		}
		else {

			// Make a reference
			data = p.data;
			p.data = {};

			// Add the parts to change as required
			if (data.parent) {
				p.data.parents = [{id: p.data.parent || 'root'}];
			}

			if (data.file) {
				p.data.file = data.file;
			}

			if (data.name) {
				p.data.title = data.name;
			}
		}

		// Extract the file, if it exists from the data object
		// If the File is an INPUT element lets just concern ourselves with the NodeList
		var file;
		if ('file' in p.data) {
			file = p.data.file;
			delete p.data.file;

			if (typeof (file) === 'object' && 'files' in file) {
				// Assign the NodeList
				file = file.files;
			}

			if (!file || !file.length) {
				callback({
					error: {
						code: 'request_invalid',
						message: 'There were no files attached with this request to upload'
					}
				});
				return;
			}
		}

		// Set type p.data.mimeType = Object(file[0]).type || 'application/octet-stream';

		// Construct a multipart message
		var parts = new Multipart();
		parts.append(JSON.stringify(p.data), 'application/json');

		// Read the file into a  base64 string... yep a hassle, i know
		// FormData doesn't let us assign our own Multipart headers and HTTP Content-Type
		// Alas GoogleApi need these in a particular format
		if (file) {
			parts.append(file);
		}

		parts.onready(function(body, boundary) {

			p.headers['content-type'] = 'multipart/related; boundary="' + boundary + '"';
			p.data = body;

			callback('upload/drive/v2/files' + (data.id ? '/' + data.id : '') + '?uploadType=multipart');
		});

	}

	function toJSON(p) {
		if (typeof (p.data) === 'object') {
			// Convert the POST into a javascript object
			try {
				p.data = JSON.stringify(p.data);
				p.headers['content-type'] = 'application/json';
			}
			catch (e) {}
		}
	}

})(hello);

(function(hello) {

	hello.init({

		instagram: {

			name: 'Instagram',

			oauth: {
				// See: http://instagram.com/developer/authentication/
				version: 2,
				auth: 'https://instagram.com/oauth/authorize/',
				grant: 'https://api.instagram.com/oauth/access_token'
			},

			// Refresh the access_token once expired
			refresh: true,

			scope: {
				basic: 'basic',
				friends: 'relationships',
				publish: 'likes comments'
			},

			scope_delim: ' ',

			login: function(p) {
				// Instagram throws errors like 'JavaScript API is unsupported' if the display is 'popup'.
				// Make the display anything but 'popup'
				p.qs.display = '';
			},

			base: 'https://api.instagram.com/v1/',

			get: {
				me: 'users/self',
				'me/feed': 'users/self/feed?count=@{limit|100}',
				'me/photos': 'users/self/media/recent?min_id=0&count=@{limit|100}',
				'me/friends': 'users/self/follows?count=@{limit|100}',
				'me/following': 'users/self/follows?count=@{limit|100}',
				'me/followers': 'users/self/followed-by?count=@{limit|100}',
				'friend/photos': 'users/@{id}/media/recent?min_id=0&count=@{limit|100}'
			},

			post: {
				'me/like': function(p, callback) {
					var id = p.data.id;
					p.data = {};
					callback('media/' + id + '/likes');
				}
			},

			del: {
				'me/like': 'media/@{id}/likes'
			},

			wrap: {
				me: function(o) {

					formatError(o);

					if ('data' in o) {
						o.id = o.data.id;
						o.thumbnail = o.data.profile_picture;
						o.name = o.data.full_name || o.data.username;
					}

					return o;
				},

				'me/friends': formatFriends,
				'me/following': formatFriends,
				'me/followers': formatFriends,
				'me/photos': function(o) {

					formatError(o);
					paging(o);

					if ('data' in o) {
						o.data = o.data.filter(function(d) {
							return d.type === 'image';
						});

						o.data.forEach(function(d) {
							d.name = d.caption ? d.caption.text : null;
							d.thumbnail = d.images.thumbnail.url;
							d.picture = d.images.standard_resolution.url;
							d.pictures = Object.keys(d.images)
								.map(function(key) {
									var image = d.images[key];
									return formatImage(image);
								})
								.sort(function(a, b) {
									return a.width - b.width;
								});
						});
					}

					return o;
				},

				'default': function(o) {
					paging(o);
					return o;
				}
			},

			// Instagram does not return any CORS Headers
			// So besides JSONP we're stuck with proxy
			xhr: function(p, qs) {

				var method = p.method;
				var proxy = method !== 'get';

				if (proxy) {

					if ((method === 'post' || method === 'put') && p.query.access_token) {
						p.data.access_token = p.query.access_token;
						delete p.query.access_token;
					}

					// No access control headers
					// Use the proxy instead
					p.proxy = proxy;
				}

				return proxy;
			},

			// No form
			form: false
		}
	});

	function formatImage(image) {
		return {
			source: image.url,
			width: image.width,
			height: image.height
		};
	}

	function formatError(o) {
		if (o && 'meta' in o && 'error_type' in o.meta) {
			o.error = {
				code: o.meta.error_type,
				message: o.meta.error_message
			};
		}
	}

	function formatFriends(o) {
		paging(o);
		if (o && 'data' in o) {
			o.data.forEach(formatFriend);
		}

		return o;
	}

	function formatFriend(o) {
		if (o.id) {
			o.thumbnail = o.profile_picture;
			o.name = o.full_name || o.username;
		}
	}

	// See: http://instagram.com/developer/endpoints/
	function paging(res) {
		if ('pagination' in res) {
			res.paging = {
				next: res.pagination.next_url
			};
			delete res.pagination;
		}
	}

})(hello);

(function(hello) {

	hello.init({

		linkedin: {

			oauth: {
				version: 2,
				response_type: 'code',
				auth: 'https://www.linkedin.com/uas/oauth2/authorization',
				grant: 'https://www.linkedin.com/uas/oauth2/accessToken'
			},

			// Refresh the access_token once expired
			refresh: true,

			scope: {
				basic: 'r_basicprofile',
				email: 'r_emailaddress',
				friends: '',
				publish: 'w_share'
			},
			scope_delim: ' ',

			base: 'https://api.linkedin.com/v1/',

			get: {
				me: 'people/~:(picture-url,first-name,last-name,id,formatted-name,email-address)',
				'me/friends': 'people/~/connections?count=@{limit|500}',
				'me/followers': 'people/~/connections?count=@{limit|500}',
				'me/following': 'people/~/connections?count=@{limit|500}',

				// See: http://developer.linkedin.com/documents/get-network-updates-and-statistics-api
				'me/share': 'people/~/network/updates?count=@{limit|250}'
			},

			post: {

				// See: https://developer.linkedin.com/documents/api-requests-json
				'me/share': function(p, callback) {
					var data = {
						visibility: {
							code: 'anyone'
						}
					};

					if (p.data.id) {

						data.attribution = {
							share: {
								id: p.data.id
							}
						};

					}
					else {
						data.comment = p.data.message;
						if (p.data.picture && p.data.link) {
							data.content = {
								'submitted-url': p.data.link,
								'submitted-image-url': p.data.picture
							};
						}
					}

					p.data = JSON.stringify(data);

					callback('people/~/shares?format=json');
				},

				'me/like': like
			},

			del:{
				'me/like': like
			},

			wrap: {
				me: function(o) {
					formatError(o);
					formatUser(o);
					return o;
				},

				'me/friends': formatFriends,
				'me/following': formatFriends,
				'me/followers': formatFriends,
				'me/share': function(o) {
					formatError(o);
					paging(o);
					if (o.values) {
						o.data = o.values.map(formatUser);
						o.data.forEach(function(item) {
							item.message = item.headline;
						});

						delete o.values;
					}

					return o;
				},

				'default': function(o, headers) {
					formatError(o);
					empty(o, headers);
					paging(o);
				}
			},

			jsonp: function(p, qs) {
				formatQuery(qs);
				if (p.method === 'get') {
					qs.format = 'jsonp';
					qs['error-callback'] = p.callbackID;
				}
			},

			xhr: function(p, qs) {
				if (p.method !== 'get') {
					formatQuery(qs);
					p.headers['Content-Type'] = 'application/json';

					// Note: x-li-format ensures error responses are not returned in XML
					p.headers['x-li-format'] = 'json';
					p.proxy = true;
					return true;
				}

				return false;
			}
		}
	});

	function formatError(o) {
		if (o && 'errorCode' in o) {
			o.error = {
				code: o.status,
				message: o.message
			};
		}
	}

	function formatUser(o) {
		if (o.error) {
			return;
		}

		o.first_name = o.firstName;
		o.last_name = o.lastName;
		o.name = o.formattedName || (o.first_name + ' ' + o.last_name);
		o.thumbnail = o.pictureUrl;
		o.email = o.emailAddress;
		return o;
	}

	function formatFriends(o) {
		formatError(o);
		paging(o);
		if (o.values) {
			o.data = o.values.map(formatUser);
			delete o.values;
		}

		return o;
	}

	function paging(res) {
		if ('_count' in res && '_start' in res && (res._count + res._start) < res._total) {
			res.paging = {
				next: '?start=' + (res._start + res._count) + '&count=' + res._count
			};
		}
	}

	function empty(o, headers) {
		if (JSON.stringify(o) === '{}' && headers.statusCode === 200) {
			o.success = true;
		}
	}

	function formatQuery(qs) {
		// LinkedIn signs requests with the parameter 'oauth2_access_token'
		// ... yeah another one who thinks they should be different!
		if (qs.access_token) {
			qs.oauth2_access_token = qs.access_token;
			delete qs.access_token;
		}
	}

	function like(p, callback) {
		p.headers['x-li-format'] = 'json';
		var id = p.data.id;
		p.data = (p.method !== 'delete').toString();
		p.method = 'put';
		callback('people/~/network/updates/key=' + id + '/is-liked');
	}

})(hello);

// See: https://developers.soundcloud.com/docs/api/reference
(function(hello) {

	hello.init({

		soundcloud: {
			name: 'SoundCloud',

			oauth: {
				version: 2,
				auth: 'https://soundcloud.com/connect',
				grant: 'https://soundcloud.com/oauth2/token'
			},

			// Request path translated
			base: 'https://api.soundcloud.com/',
			get: {
				me: 'me.json',

				// Http://developers.soundcloud.com/docs/api/reference#me
				'me/friends': 'me/followings.json',
				'me/followers': 'me/followers.json',
				'me/following': 'me/followings.json',

				// See: http://developers.soundcloud.com/docs/api/reference#activities
				'default': function(p, callback) {

					// Include '.json at the end of each request'
					callback(p.path + '.json');
				}
			},

			// Response handlers
			wrap: {
				me: function(o) {
					formatUser(o);
					return o;
				},

				'default': function(o) {
					if (Array.isArray(o)) {
						o = {
							data: o.map(formatUser)
						};
					}

					paging(o);
					return o;
				}
			},

			xhr: formatRequest,
			jsonp: formatRequest
		}
	});

	function formatRequest(p, qs) {
		// Alter the querystring
		var token = qs.access_token;
		delete qs.access_token;
		qs.oauth_token = token;
		qs['_status_code_map[302]'] = 200;
		return true;
	}

	function formatUser(o) {
		if (o.id) {
			o.picture = o.avatar_url;
			o.thumbnail = o.avatar_url;
			o.name = o.username || o.full_name;
		}

		return o;
	}

	// See: http://developers.soundcloud.com/docs/api/reference#activities
	function paging(res) {
		if ('next_href' in res) {
			res.paging = {
				next: res.next_href
			};
		}
	}

})(hello);

(function(hello) {

	var base = 'https://api.twitter.com/';

	hello.init({

		twitter: {

			// Ensure that you define an oauth_proxy
			oauth: {
				version: '1.0a',
				auth: base + 'oauth/authenticate',
				request: base + 'oauth/request_token',
				token: base + 'oauth/access_token'
			},

			login: function(p) {
				// Reauthenticate
				// https://dev.twitter.com/oauth/reference/get/oauth/authenticate
				var prefix = '?force_login=true';
				this.oauth.auth = this.oauth.auth.replace(prefix, '') + (p.options.force ? prefix : '');
			},

			base: base + '1.1/',

			get: {
				me: 'account/verify_credentials.json',
				'me/friends': 'friends/list.json?count=@{limit|200}',
				'me/following': 'friends/list.json?count=@{limit|200}',
				'me/followers': 'followers/list.json?count=@{limit|200}',

				// Https://dev.twitter.com/docs/api/1.1/get/statuses/user_timeline
				'me/share': 'statuses/user_timeline.json?count=@{limit|200}',

				// Https://dev.twitter.com/rest/reference/get/favorites/list
				'me/like': 'favorites/list.json?count=@{limit|200}'
			},

			post: {
				'me/share': function(p, callback) {

					var data = p.data;
					p.data = null;

					var status = [];

					// Change message to status
					if (data.message) {
						status.push(data.message);
						delete data.message;
					}

					// If link is given
					if (data.link) {
						status.push(data.link);
						delete data.link;
					}

					if (data.picture) {
						status.push(data.picture);
						delete data.picture;
					}

					// Compound all the components
					if (status.length) {
						data.status = status.join(' ');
					}

					// Tweet media
					if (data.file) {
						data['media[]'] = data.file;
						delete data.file;
						p.data = data;
						callback('statuses/update_with_media.json');
					}

					// Retweet?
					else if ('id' in data) {
						callback('statuses/retweet/' + data.id + '.json');
					}

					// Tweet
					else {
						// Assign the post body to the query parameters
						hello.utils.extend(p.query, data);
						callback('statuses/update.json?include_entities=1');
					}
				},

				// See: https://dev.twitter.com/rest/reference/post/favorites/create
				'me/like': function(p, callback) {
					var id = p.data.id;
					p.data = null;
					callback('favorites/create.json?id=' + id);
				}
			},

			del: {

				// See: https://dev.twitter.com/rest/reference/post/favorites/destroy
				'me/like': function() {
					p.method = 'post';
					var id = p.data.id;
					p.data = null;
					callback('favorites/destroy.json?id=' + id);
				}
			},

			wrap: {
				me: function(res) {
					formatError(res);
					formatUser(res);
					return res;
				},

				'me/friends': formatFriends,
				'me/followers': formatFriends,
				'me/following': formatFriends,

				'me/share': function(res) {
					formatError(res);
					paging(res);
					if (!res.error && 'length' in res) {
						return {data: res};
					}

					return res;
				},

				'default': function(res) {
					res = arrayToDataResponse(res);
					paging(res);
					return res;
				}
			},
			xhr: function(p) {

				// Rely on the proxy for non-GET requests.
				return (p.method !== 'get');
			}
		}
	});

	function formatUser(o) {
		if (o.id) {
			if (o.name) {
				var m = o.name.split(' ');
				o.first_name = m.shift();
				o.last_name = m.join(' ');
			}

			// See: https://dev.twitter.com/overview/general/user-profile-images-and-banners
			o.thumbnail = o.profile_image_url_https || o.profile_image_url;
		}

		return o;
	}

	function formatFriends(o) {
		formatError(o);
		paging(o);
		if (o.users) {
			o.data = o.users.map(formatUser);
			delete o.users;
		}

		return o;
	}

	function formatError(o) {
		if (o.errors) {
			var e = o.errors[0];
			o.error = {
				code: 'request_failed',
				message: e.message
			};
		}
	}

	// Take a cursor and add it to the path
	function paging(res) {
		// Does the response include a 'next_cursor_string'
		if ('next_cursor_str' in res) {
			// See: https://dev.twitter.com/docs/misc/cursoring
			res.paging = {
				next: '?cursor=' + res.next_cursor_str
			};
		}
	}

	function arrayToDataResponse(res) {
		return Array.isArray(res) ? {data: res} : res;
	}

	/**
	// The documentation says to define user in the request
	// Although its not actually required.

	var user_id;

	function withUserId(callback){
		if(user_id){
			callback(user_id);
		}
		else{
			hello.api('twitter:/me', function(o){
				user_id = o.id;
				callback(o.id);
			});
		}
	}

	function sign(url){
		return function(p, callback){
			withUserId(function(user_id){
				callback(url+'?user_id='+user_id);
			});
		};
	}
	*/

})(hello);

// Vkontakte (vk.com)
(function(hello) {

	hello.init({

		vk: {
			name: 'Vk',

			// See https://vk.com/dev/oauth_dialog
			oauth: {
				version: 2,
				auth: 'https://oauth.vk.com/authorize',
				grant: 'https://oauth.vk.com/access_token'
			},

			// Authorization scopes
			scope: {
				basic: '',
				email: 'email',
				offline_access: 'offline'
			},

			// Refresh the access_token
			refresh: true,

			login: function(p) {
				p.qs.display = window.navigator &&
					window.navigator.userAgent &&
					/ipad|phone|phone|android/.test(window.navigator.userAgent.toLowerCase()) ? 'mobile' : 'popup';
			},

			// API Base URL
			base: 'https://api.vk.com/method/',

			// Map GET requests
			get: {
				me: function(p, callback) {
					p.query.fields = 'id,first_name,last_name,photo_max';
					callback('users.get');
				}
			},

			wrap: {
				me: function(res, headers, req) {
					formatError(res);
					return formatUser(res, req);
				}
			},

			// No XHR
			xhr: false,

			// All requests should be JSONP as of missing CORS headers in https://api.vk.com/method/*
			jsonp: true,

			// No form
			form: false
		}
	});

	function formatUser(o, req) {

		if (o !== null && 'response' in o && o.response !== null && o.response.length) {
			o = o.response[0];
			o.id = o.uid;
			o.thumbnail = o.picture = o.photo_max;
			o.name = o.first_name + ' ' + o.last_name;

			if (req.authResponse && req.authResponse.email !== null)
				o.email = req.authResponse.email;
		}

		return o;
	}

	function formatError(o) {

		if (o.error) {
			var e = o.error;
			o.error = {
				code: e.error_code,
				message: e.error_msg
			};
		}
	}

})(hello);

(function(hello) {

	hello.init({
		windows: {
			name: 'Windows live',

			// REF: http://msdn.microsoft.com/en-us/library/hh243641.aspx
			oauth: {
				version: 2,
				auth: 'https://login.live.com/oauth20_authorize.srf',
				grant: 'https://login.live.com/oauth20_token.srf'
			},

			// Refresh the access_token once expired
			refresh: true,

			logout: function() {
				return 'http://login.live.com/oauth20_logout.srf?ts=' + (new Date()).getTime();
			},

			// Authorization scopes
			scope: {
				basic: 'wl.signin,wl.basic',
				email: 'wl.emails',
				birthday: 'wl.birthday',
				events: 'wl.calendars',
				photos: 'wl.photos',
				videos: 'wl.photos',
				friends: 'wl.contacts_emails',
				files: 'wl.skydrive',
				publish: 'wl.share',
				publish_files: 'wl.skydrive_update',
				create_event: 'wl.calendars_update,wl.events_create',
				offline_access: 'wl.offline_access'
			},

			// API base URL
			base: 'https://apis.live.net/v5.0/',

			// Map GET requests
			get: {

				// Friends
				me: 'me',
				'me/friends': 'me/friends',
				'me/following': 'me/contacts',
				'me/followers': 'me/friends',
				'me/contacts': 'me/contacts',

				'me/albums': 'me/albums',

				// Include the data[id] in the path
				'me/album': '@{id}/files',
				'me/photo': '@{id}',

				// Files
				'me/files': '@{parent|me/skydrive}/files',
				'me/folders': '@{id|me/skydrive}/files',
				'me/folder': '@{id|me/skydrive}/files'
			},

			// Map POST requests
			post: {
				'me/albums': 'me/albums',
				'me/album': '@{id}/files/',

				'me/folders': '@{id|me/skydrive/}',
				'me/files': '@{parent|me/skydrive/}/files'
			},

			// Map DELETE requests
			del: {
				// Include the data[id] in the path
				'me/album': '@{id}',
				'me/photo': '@{id}',
				'me/folder': '@{id}',
				'me/files': '@{id}'
			},

			wrap: {
				me: formatUser,

				'me/friends': formatFriends,
				'me/contacts': formatFriends,
				'me/followers': formatFriends,
				'me/following': formatFriends,
				'me/albums': formatAlbums,
				'me/photos': formatDefault,
				'default': formatDefault
			},

			xhr: function(p) {
				if (p.method !== 'get' && p.method !== 'delete' && !hello.utils.hasBinary(p.data)) {

					// Does this have a data-uri to upload as a file?
					if (typeof (p.data.file) === 'string') {
						p.data.file = hello.utils.toBlob(p.data.file);
					}
					else {
						p.data = JSON.stringify(p.data);
						p.headers = {
							'Content-Type': 'application/json'
						};
					}
				}

				return true;
			},

			jsonp: function(p) {
				if (p.method !== 'get' && !hello.utils.hasBinary(p.data)) {
					p.data.method = p.method;
					p.method = 'get';
				}
			}
		}
	});

	function formatDefault(o) {
		if ('data' in o) {
			o.data.forEach(function(d) {
				if (d.picture) {
					d.thumbnail = d.picture;
				}

				if (d.images) {
					d.pictures = d.images
						.map(formatImage)
						.sort(function(a, b) {
							return a.width - b.width;
						});
				}
			});
		}

		return o;
	}

	function formatImage(image) {
		return {
			width: image.width,
			height: image.height,
			source: image.source
		};
	}

	function formatAlbums(o) {
		if ('data' in o) {
			o.data.forEach(function(d) {
				d.photos = d.files = 'https://apis.live.net/v5.0/' + d.id + '/photos';
			});
		}

		return o;
	}

	function formatUser(o, headers, req) {
		if (o.id) {
			var token = req.query.access_token;
			if (o.emails) {
				o.email = o.emails.preferred;
			}

			// If this is not an non-network friend
			if (o.is_friend !== false) {
				// Use the id of the user_id if available
				var id = (o.user_id || o.id);
				o.thumbnail = o.picture = 'https://apis.live.net/v5.0/' + id + '/picture?access_token=' + token;
			}
		}

		return o;
	}

	function formatFriends(o, headers, req) {
		if ('data' in o) {
			o.data.forEach(function(d) {
				formatUser(d, headers, req);
			});
		}

		return o;
	}

})(hello);

(function(hello) {

	hello.init({

		yahoo: {

			// Ensure that you define an oauth_proxy
			oauth: {
				version: '1.0a',
				auth: 'https://api.login.yahoo.com/oauth/v2/request_auth',
				request: 'https://api.login.yahoo.com/oauth/v2/get_request_token',
				token: 'https://api.login.yahoo.com/oauth/v2/get_token'
			},

			// Login handler
			login: function(p) {
				// Change the default popup window to be at least 560
				// Yahoo does dynamically change it on the fly for the signin screen (only, what if your already signed in)
				p.options.popup.width = 560;

				// Yahoo throws an parameter error if for whatever reason the state.scope contains a comma, so lets remove scope
				try {delete p.qs.state.scope;}
				catch (e) {}
			},

			base: 'https://social.yahooapis.com/v1/',

			get: {
				me: yql('select * from social.profile(0) where guid=me'),
				'me/friends': yql('select * from social.contacts(0) where guid=me'),
				'me/following': yql('select * from social.contacts(0) where guid=me')
			},
			wrap: {
				me: formatUser,

				// Can't get IDs
				// It might be better to loop through the social.relationship table with has unique IDs of users.
				'me/friends': formatFriends,
				'me/following': formatFriends,
				'default': function(res) {
					paging(res);
					return res;
				}
			}
		}
	});

	/*
		// Auto-refresh fix: bug in Yahoo can't get this to work with node-oauth-shim
		login : function(o){
			// Is the user already logged in
			var auth = hello('yahoo').getAuthResponse();

			// Is this a refresh token?
			if(o.options.display==='none'&&auth&&auth.access_token&&auth.refresh_token){
				// Add the old token and the refresh token, including path to the query
				// See http://developer.yahoo.com/oauth/guide/oauth-refreshaccesstoken.html
				o.qs.access_token = auth.access_token;
				o.qs.refresh_token = auth.refresh_token;
				o.qs.token_url = 'https://api.login.yahoo.com/oauth/v2/get_token';
			}
		},
	*/

	function formatError(o) {
		if (o && 'meta' in o && 'error_type' in o.meta) {
			o.error = {
				code: o.meta.error_type,
				message: o.meta.error_message
			};
		}
	}

	function formatUser(o) {

		formatError(o);
		if (o.query && o.query.results && o.query.results.profile) {
			o = o.query.results.profile;
			o.id = o.guid;
			o.last_name = o.familyName;
			o.first_name = o.givenName || o.nickname;
			var a = [];
			if (o.first_name) {
				a.push(o.first_name);
			}

			if (o.last_name) {
				a.push(o.last_name);
			}

			o.name = a.join(' ');
			o.email = (o.emails && o.emails[0]) ? o.emails[0].handle : null;
			o.thumbnail = o.image ? o.image.imageUrl : null;
		}

		return o;
	}

	function formatFriends(o, headers, request) {
		formatError(o);
		paging(o, headers, request);
		var contact;
		var field;
		if (o.query && o.query.results && o.query.results.contact) {
			o.data = o.query.results.contact;
			delete o.query;

			if (!Array.isArray(o.data)) {
				o.data = [o.data];
			}

			o.data.forEach(formatFriend);
		}

		return o;
	}

	function formatFriend(contact) {
		contact.id = null;
		contact.fields.forEach(function(field) {
			if (field.type === 'email') {
				contact.email = field.value;
			}

			if (field.type === 'name') {
				contact.first_name = field.value.givenName;
				contact.last_name = field.value.familyName;
				contact.name = field.value.givenName + ' ' + field.value.familyName;
			}

			if (field.type === 'yahooid') {
				contact.id = field.value;
			}
		});
	}

	function paging(res, headers, request) {

		// See: http://developer.yahoo.com/yql/guide/paging.html#local_limits
		if (res.query && res.query.count && request.options) {
			res.paging = {
				next: '?start=' + (res.query.count + (+request.options.start || 1))
			};
		}
	}

	function yql(q) {
		return 'https://query.yahooapis.com/v1/yql?q=' + (q + ' limit @{limit|100} offset @{start|0}').replace(/\s/g, '%20') + '&format=json';
	}

})(hello);

// Register as anonymous AMD module
if (typeof define === 'function' && define.amd) {
	define(function() {
		return hello;
	});
}

// CommonJS module for browserify
if (typeof module === 'object' && module.exports) {
	module.exports = hello;
}