openhab-proxy.js

var http = require('http'),
    httpProxy = require('http-proxy'),
    connect = require('connect');
//var morgan = require('morgan')

var proxy = httpProxy.createProxyServer({
    target: 'http://localhost:8080' // openHAB/SmartHome URL
});

var app = connect();

//app.use(morgan('combined'));

var filterDeleteRequests =
    function(req, res, next) {
        if (req.method == 'DELETE') {
            res.statusCode = 403;
            res.end();
        } else {
            next();
        }
    };

var filterPutPostRequests =
    function(req, res, next) {
        if (req.method == 'POST' || req.method == 'PUT') {
            // only allow to modify existing things (/rest/items) and to perform discovery requests
            if (req.url.indexOf('/rest/items') == -1 && req.url.indexOf('/rest/discovery') == -1) {
                res.statusCode = 403;
                res.end();
            }
        } else {
            next();
        }
    };

app.use(filterDeleteRequests);
app.use(filterPutPostRequests);

app.use(
    function(req, res) {
        proxy.web(req, res);
    }
);

http.createServer(app).listen(8003);