unpkg/server/createServer.js

67 lines
1.7 KiB
JavaScript

const fs = require('fs')
const path = require('path')
const express = require('express')
const cors = require('cors')
const morgan = require('morgan')
const checkBlacklist = require('./middleware/checkBlacklist')
const packageURL = require('./middleware/packageURL')
const fetchFile = require('./middleware/fetchFile')
const serveFile = require('./middleware/serveFile')
morgan.token('fwd', function (req) {
return req.get('x-forwarded-for').replace(/\s/g, '')
})
/**
* A list of packages we refuse to serve.
*/
const PackageBlacklist = require('./PackageBlacklist').blacklist
function errorHandler(err, req, res, next) {
console.error(err.stack)
res.status(500).type('text').send('Internal Server Error')
next(err)
}
function createApp() {
const app = express()
app.disable('x-powered-by')
if (process.env.NODE_ENV !== 'test') {
app.use(morgan(process.env.NODE_ENV === 'production'
// Modified version of the Heroku router's log format
// https://devcenter.heroku.com/articles/http-routing#heroku-router-log-format
? 'method=:method path=":url" host=:req[host] request_id=:req[x-request-id] cf_ray=:req[cf-ray] fwd=:fwd status=:status bytes=:res[content-length]'
: 'dev'
))
}
app.use(errorHandler)
app.use(cors())
app.use(express.static('build', {
maxAge: '365d'
}))
if (process.env.NODE_ENV !== 'test') {
const createSearchServer = require('./createSearchServer')
app.use('/_search', createSearchServer())
const createStatsServer = require('./createStatsServer')
app.use('/_stats', createStatsServer())
}
app.use('/',
packageURL,
checkBlacklist(PackageBlacklist),
fetchFile,
serveFile
)
return app
}
module.exports = createApp