daemon

#!/usr/bin/env node

'use strict';

const path = require('path');
const express = require('express');
const bodyParser = require('body-parser');
const crypto = require('crypto');
const execFile = require('child_process').execFile;
const async = require('async');

const app = express();

app.use(bodyParser.json({
	verify: function (req, res, buf, encoding) {
		let hash = crypto.createHmac('sha1', process.env.SECRET);
		hash.update(buf);
		let digest = hash.digest('hex');

		res.locals.verified = String('sha1=' + digest) === req.headers['x-hub-signature'];
	}
}));

app.post('/github', function (req, res) {
	var headers = req.headers;
	let shasum = crypto.createHash('sha1');

	// Basic sanity checks
	if (!req.body || req.headers['x-github-event'] !== 'push' || !res.locals.verified) {
		return res.sendStatus(400);
	}

	execFile('/bin/bash', [path.join(__dirname, 'build.sh')], function (err) {
		res.sendStatus(err ? 500 : 200);

		if (err) {
			console.error('Docs build failed @ ' + new Date().toISOString(), err.stack);
		} else {
			console.log('Docs build completed @ ' + new Date().toISOString());
		}
	});
});

app.listen(8001);