auth.js

var passport = require('passport'),
	LocalStrategy = require('passport-local').Strategy,
	passwordHash = require('password-hash'),
	pg = require('pg').native;

var connString = '';

var pgsql = new pg.Client(connString);

passport.use(new LocalStrategy(
	function(providedUsername, password, done) {
		pgsql.query('SELECT * FROM users WHERE username = ?', [providedUsername], function(err, res) {
			var user = res[0];
			if( !user ) {
				return done(null, false, {message: 'incorrect username'});
			}
			if( !passwordHash.verify( password, user.password ) ) {
				return done(null, false, {message: 'incorrect password'});
			}
			return done(null, user);
		})
	}
));

module.exports = ?