Move some files around

server/createServer.js

@@ -0,0 +1,64 @@
+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')
+
+const createSearchServer = require('./createSearchServer')
+const createStatsServer = require('./createStatsServer')
+
+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'
+  }))
+
+  app.use('/_search', createSearchServer())
+  app.use('/_stats', createStatsServer())
+
+  app.use('/',
+    packageURL,
+    checkBlacklist(PackageBlacklist),
+    fetchFile,
+    serveFile
+  )
+
+  return app
+}
+
+module.exports = createApp