A connect middleware, broken yet

trust-proxy.js

module.exports = function (ip) {
    ip = ip || '127.0.0.1';

    // Function to test whether or not the request is coming through the trusted reverse proxy.
    var trust = function (req) {
        return req.connection.remoteAddress === ip;
    };

    // Function to fetch the remote address from the browser that connected to the reverse proxy.
    var remoteAddress = function (req) {
        return req.headers['x-real-ip'] || req.headers['x-forwarded-for'];
    };

    // Check if the request is proxied by a trusted reverse proxy.
    // And set the client's remote address to the remote address of the browser.
    return function(req, res, next) {
        console.log('tp', trust(req));
        if (trust(req)) {
            console.log('set ip', remoteAddress(req));
            req.connection.remoteAddress = remoteAddress(req);
            console.log('after set ip', req.connection.remoteAddress);
            // console.log('connection type', req.connection);
        }
        next();
    };
};