nodejs/github-bot

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	'use strict'

	require('dotenv').load({ silent: true })

	const glob = require('glob')
	const express = require('express')
	const bodyParser = require('body-parser')
	const bunyanMiddleware = require('bunyan-middleware')

	const logger = require('./lib/logger')
	const authMiddleware = require('./lib/auth-middleware')

	const captureRaw = (req, res, buffer) => { req.raw = buffer }

	const app = express()

	const scriptsToLoad = process.env.SCRIPTS \|\| './scripts/*/.js'
	const logsDir = process.env.LOGS_DIR \|\| ''

	app.use(bodyParser.json({ verify: captureRaw }))

	if (logsDir) {
	app.use('/logs', authMiddleware, express.static(logsDir))
	}

	// bunyanMiddleware gives us request id's and unique loggers per incoming request,
	// for safety reasons we don't want to include the webhook GitHub secret in logs
	app.use(bunyanMiddleware({
	logger,
	level: 'trace',
	obscureHeaders: ['x-hub-signature']
	}))

	require('./lib/github-events')(app)

	// load all the files in the scripts folder
	glob.sync(scriptsToLoad).forEach((file) => {
	logger.info('Loading:', file)
	require(file)(app)
	})

	app.use(function logUnhandledErrors (err, req, res, next) {
	logger.error(err, 'Unhandled error while responding to incoming HTTP request')
	res.status(500).end()
	})

	module.exports = app