The whole JavaScript file for the Unity3D Facebook integration with Coherent UI sample

facebook.js

var appID = '344764665598630';
var appURL = 'http://www.coherent-labs.com/sample.html';
var userID;
var userToken;

function SetPortrait(fbAvatar) {
	var url = fbAvatar.picture.data.url;
	$('#fbButton').css("background-image", "url(" + url + ")");
}

function ToBlob(data) {
	return new Blob([new Int8Array(data)]);
}

function PostOnWall(message) {
	var errorString = "An error occured when trying to post to FaceBook! Make sure you're logged in by clicking the icon in the top left corner.";
	if (typeof(FB) == 'undefined') {
		alert(errorString);
		return;
	}

	FB.api('/me/feed', 'post', {message : message}, function (response) {
		if (!response || response.error) {
			console.error(errorString);
		} else {
			console.log("Post ID: " + response.id);
		}
	});
}

function UploadImageOnFacebook(data, message) {
	var formData = new FormData;
	formData.append('message', message);
	formData.append('source', ToBlob(data));
	
	$.ajax({
		url: 'https://graph.facebook.com/' + userID + '/photos?access_token=' + userToken,
		type: 'POST',
		data: formData,
		dataType: 'json',
		contentType: false,
		processData: false,
	}).success(function () {
		console.log(arguments);
	}).error(function () {
		console.error(arguments);
	});
}

function parseAuthorization(url) {
	var v = url.split('#')[1].split('&');
	var n = v.length;
	var r = {}
	for (var i = 0; i != n; ++i) {
		var c = v[i].split('=');
		r[c[0]] = decodeURIComponent(c[1]);
	}
	return r;
}

if (window.location.hash.length == 0)
{
	$(function () {
		var button = $('<div id="fbButton" class="fbLogoDisabled"></div>');
		button.click(function () {
			var path = 'https://www.facebook.com/dialog/oauth?';
			var queryParams = {
				client_id: appID,
				redirect_uri: appURL,
				response_type: 'token,signed_request,code',
				scope: 'user_photos,publish_stream'
			};
			var url = path + $.param(queryParams);
			// redirect the view to the facebook authorization dialog
			window.location.href = url;
		});
		$('body').append(button);
	});
}
else
{
	(function(d){
		var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
		if (d.getElementById(id)) {return;}
		js = d.createElement('script'); js.id = id; js.async = true;
		js.src = "http://connect.facebook.net/en_US/all.js";
		ref.parentNode.insertBefore(js, ref);
	}(document));
	
	$(function () {
		var button = $('<div id="fbButton" class="fbLogoEnabled"></div>');
		$('body').append(button);
	});
}

// Init the SDK upon load
window.fbAsyncInit = function() {
	// listen for and handle auth.statusChange events
	FB.Event.subscribe('auth.statusChange', function(response) {
		if (response.authResponse) {
			// user has auth'd your app and is logged into Facebook
			// request users' first name and profile picture
			FB.api('/me?fields=picture,first_name', function(me){
				$('#name').html(me.first_name);
				SetPortrait(me);
				userID = me.id;
			});
		}
	})

	// parse the authorization response details from the URL
	var parsed = parseAuthorization(window.location.href);
	userToken = parsed.access_token;
	// convert to FB authResponse
	var auth = {
		accessToken : userToken,
		signedRequest : parsed.signed_request,
		expiresIn : parsed.expires_in,
		code: parsed.code
	};
	
	FB.init({
		appId      :  appID,
		authResponse: auth,
		status     : true, // check login status
		cookie     : true, // enable cookies to allow the server to access the session
		xfbml      : false  // parse XFBML
	});
}