Archived the old Sherlock project

forever.sh

#!/bin/bash
# A simple script to control running this NodeJS server!

# Because we're hijacking port 80 we need to be a superhero.
sudo true

TIMESTAMP=$(date +"%s")

BASE=`readlink -f "$0"`
BASE="`dirname "$BASE"`/"
pushd "$BASE"

sudo forever stop sherlock.js
echo "Sherlock stopped"
mkdir ~/.forever/logs -p
mv ~/.forever/forever-sherlock.log ~/.forever/logs/sherlock.$TIMESTAMP.log
mkdir forever/$TIMESTAMP -p
mv forever/*.log forever/$TIMESTAMP/
sudo forever start -l forever-sherlock.log -o forever/out.log -e forever/error.log sherlock.js
echo "Sherlock started"

popd

hosts.sample.json

{
	"a-hostname-here.example.com" : { "host" : "127.0.0.1", "port" : 82 },
	"another-hostname-here.example.com" : { "host" : "10.9.10.31", "port" : 80 }
}

sherlock.js

var http = require('http'),
	httpProxy = require('http-proxy'),
	router = require('./hosts.json');

httpProxy.createServer(
	function(req, res, proxy) {
		var destination = { "host" : "127.0.0.1", "port" : 82 };
		
		for(var route in router)
			if (route == req.headers.host)
				destination = router[route];
		
		proxy.proxyRequest(req, res, destination);
	}
).listen(80);

http.createServer(function (req, res) {
	res.writeHead(200, { 'Content-Type': 'application/json' });
	res.write(JSON.stringify(req.headers, true, 2));
	res.end();
}).listen(82);

Sherlock.md

Sherlock

A simple proxy service that takes requests and send them to specific ports based on their hostname.

Nothing special at all & extremely helpful once upon a time ago.

Uses http-proxy and forever.