Sampel of Oauth flow

basic.js

/**
 * Oauth 2.0 basic example
*/
var express = require('express');
var oauth = require('oauth-server');

/**
 * Create a new server
*/
var server = module.exports = express.createServer();

/**
 * Configure the server
*/
server.configure(function(){

	/**
	 * Configure the oauth
	*/
	server.use(oauth.middleware({
		db : "mongodb://localhost/oauth",
		expiresIn : 3600,
		supportedScopes : [
			'profile',
			'status',
			'avatar'
		]
	}));

	/**
	 * Router must be used after OAuth
	*/
	server.use(server.router);
});

server.get("/api/@me", function(req, res, next){
	/**
	 * Assure that the access-token is valid
	*/
	req.validateAccessToken(req, res, function(){

		/**
		 * Anything inside of this function is authorized
		*/
		res.send({succes : true});
	});
})

/**
 * Listen on port 8124
*/
server.listen(8124, function(){
	console.log("Server listening on port %d in %s mode", server.address().port, server.settings.env);
})