var basicAuth = require('basic-auth'),
    auth = function (req, res, next) {
        var user = basicAuth(req);
        if (user && user.name === "user" && user.pass === "password") return next();
        res.set('WWW-Authenticate', 'Basic realm=Authorization Required');
        return res.send(401);
    };

module.exports.http = {

    customMiddleware: function (app) {
           app.use('/', auth);
    },

if (sails.config.environment === 'staging') {}

if (sails.config.environment === 'staging') {
    ^

ReferenceError: sails is not defined