ExpressJS multi domain https hosting

Question

I've got a project, where I need to host two websites with two Domains, which point to the same server (1 static IP) with an EpressJS server. During my research I found that, express can be expanded with vhosts. But I could not figure out, how to use them with https. My desire is to have too different express objects so I can access 'foo.com'-requests over appFoo.get() and 'bar.com'-requests via appBar.get() or their POST or JSON-aquivalent. I don't want to use a proxy in either apache, nginx oder node itself. And I'd like to run them both on port 80/443.

score 4 · Accepted Answer · answered Dec 28 '16 at 20:39

// Includes
var https = require('https');
var express = require('express');
var tls = require('tls');
var vhost = require('vhost');
var fs = require('fs');


// Express objects
var appFoo = express();
var appBar = express();

// SSL Constants
const siteFoo = {
    app: appFoo,
    context: tls.createSecureContext({
        key: fs.readFileSync(__dirname + '/tls/foo.com/privkey.pem').toString(),
        cert: fs.readFileSync(__dirname + '/tls/foo.com/fullchain.pem').toString(),
        ca: fs.readFileSync(__dirname + '/tls/foo.com/chain.pem').toString()
    }).context
};

const siteBar = {
    app: appBar,
    context: tls.createSecureContext({
        key: fs.readFileSync(__dirname + '/tls/bar.com/privkey.pem').toString(),
        cert: fs.readFileSync(__dirname + '/tls/bar.com/fullchain.pem').toString(),
        ca: fs.readFileSync(__dirname + '/tls/bar.com/chain.pem').toString()
    }).context
};

// Sites
var sites = {
    'www.foo.com': siteFoo,
    'foo.com': siteFoo,

    'www.bar.com': siteBar,
    'bar.com': siteBar
}

// Setup vhosts
var exp = express();
for (var s in sites) {
    console.log("add app for " + s);
    exp.use(vhost(s, sites[s].app));
}

// Redirect from http port  to https
var http = require('http');
http.createServer(function (req, res) {
    res.writeHead(301, { "Location": "https://" + req.headers['host'] + req.url });
    console.log(req.headers['host']);
    console.log(req.url);
    res.end();
}).listen(80);

// HTTPS Server
var secureOpts = {
    SNICallback: function (domain, cb) {
        if (typeof sites[domain] === "undefined") {
            cb(new Error("domain not found"), null);
            console.log("Error: domain not found: " + domain);

        } else {
            cb(null, sites[domain].context);
        }
    },
    key: fs.readFileSync(__dirname + '/tls/qarm.de/foo.com/privkey.pem').toString(),
    cert: fs.readFileSync(__dirname + '/tls/qarm.de/foo.com/fullchain.pem').toString(),
    ca: fs.readFileSync(__dirname + '/tls/qarm.de/foo.com/chain.pem').toString()
};

var https = require('https');
var httpsServer = https.createServer(secureOpts, exp);
httpsServer.listen(443, function () {
    console.log("Listening https on port: " + + this.address().port);
});

appFoo.get('/', function(req,res) {
   res.send('Foo.com');
}

appBar.get('/', function(req,res) {
   res.send('bar.com');
}

This code creates two seperate vhost from new express objects, initializes TLS, directes requests to the right object and redirects all traffic from HTTP (Port 80) to HTTPS (443)

ExpressJS multi domain https hosting

1 Answers1