server.ts

   1 import { isTestInstance } from './server/helpers/core-utils'
   2
   3 if (isTestInstance()) {
   4   require('source-map-support').install()
   5 }
   6
   7 // ----------- Node modules -----------
   8 import * as bodyParser from 'body-parser'
   9 import * as express from 'express'
  10 import * as http from 'http'
  11 import * as morgan from 'morgan'
  12 import * as path from 'path'
  13 import * as bitTorrentTracker from 'bittorrent-tracker'
  14 import * as cors from 'cors'
  15 import { Server as WebSocketServer } from 'ws'
  16
  17 const TrackerServer = bitTorrentTracker.Server
  18
  19 process.title = 'peertube'
  20
  21 // Create our main app
  22 const app = express()
  23
  24 // ----------- Core checker -----------
  25 import { checkMissedConfig, checkFFmpeg, checkConfig } from './server/initializers/checker'
  26
  27 const missed = checkMissedConfig()
  28 if (missed.length !== 0) {
  29   throw new Error('Your configuration files miss keys: ' + missed)
  30 }
  31
  32 import { API_VERSION, CONFIG, STATIC_PATHS } from './server/initializers/constants'
  33 checkFFmpeg(CONFIG)
  34
  35 const errorMessage = checkConfig()
  36 if (errorMessage !== null) {
  37   throw new Error(errorMessage)
  38 }
  39
  40 // ----------- Database -----------
  41 // Do not use barrels because we don't want to load all modules here (we need to initialize database first)
  42 import { logger } from './server/helpers/logger'
  43 // Initialize database and models
  44 import { database as db } from './server/initializers/database'
  45 db.init(false).then(() => onDatabaseInitDone())
  46
  47 // ----------- PeerTube modules -----------
  48 import { migrate, installApplication } from './server/initializers'
  49 import { JobScheduler, activateSchedulers, VideosPreviewCache } from './server/lib'
  50 import { apiRouter, clientsRouter, staticRouter, servicesRouter } from './server/controllers'
  51
  52 // ----------- Command line -----------
  53
  54 // ----------- App -----------
  55
  56 // Enable CORS for develop
  57 if (isTestInstance()) {
  58   app.use((req, res, next) => {
  59     // These routes have already cors
  60     if (
  61       req.path.indexOf(STATIC_PATHS.TORRENTS) === -1 &&
  62       req.path.indexOf(STATIC_PATHS.WEBSEED) === -1
  63     ) {
  64       return (cors({
  65         origin: 'http://localhost:3000',
  66         credentials: true
  67       }))(req, res, next)
  68     }
  69
  70     return next()
  71   })
  72 }
  73
  74 // For the logger
  75 app.use(morgan('combined', {
  76   stream: { write: logger.info }
  77 }))
  78 // For body requests
  79 app.use(bodyParser.json({ limit: '500kb' }))
  80 app.use(bodyParser.urlencoded({ extended: false }))
  81
  82 // ----------- Views, routes and static files -----------
  83
  84 // API
  85 const apiRoute = '/api/' + API_VERSION
  86 app.use(apiRoute, apiRouter)
  87
  88 // Services (oembed...)
  89 app.use('/services', servicesRouter)
  90
  91 // Client files
  92 app.use('/', clientsRouter)
  93
  94 // Static files
  95 app.use('/', staticRouter)
  96
  97 // Always serve index client page (the client is a single page application, let it handle routing)
  98 app.use('/*', function (req, res, next) {
  99   res.sendFile(path.join(__dirname, '../client/dist/index.html'))
 100 })
 101
 102 // ----------- Tracker -----------
 103
 104 const trackerServer = new TrackerServer({
 105   http: false,
 106   udp: false,
 107   ws: false,
 108   dht: false
 109 })
 110
 111 trackerServer.on('error', function (err) {
 112   logger.error(err)
 113 })
 114
 115 trackerServer.on('warning', function (err) {
 116   logger.error(err)
 117 })
 118
 119 const server = http.createServer(app)
 120 const wss = new WebSocketServer({ server: server, path: '/tracker/socket' })
 121 wss.on('connection', function (ws) {
 122   trackerServer.onWebSocketConnection(ws)
 123 })
 124
 125 // ----------- Errors -----------
 126
 127 // Catch 404 and forward to error handler
 128 app.use(function (req, res, next) {
 129   const err = new Error('Not Found')
 130   err['status'] = 404
 131   next(err)
 132 })
 133
 134 app.use(function (err, req, res, next) {
 135   logger.error(err)
 136   res.sendStatus(err.status || 500)
 137 })
 138
 139 // ----------- Run -----------
 140
 141 function onDatabaseInitDone () {
 142   const port = CONFIG.LISTEN.PORT
 143     // Run the migration scripts if needed
 144   migrate()
 145     .then(() => {
 146       return installApplication()
 147     })
 148     .then(() => {
 149       // ----------- Make the server listening -----------
 150       server.listen(port, function () {
 151         // Activate the communication with friends
 152         activateSchedulers()
 153
 154         // Activate job scheduler
 155         JobScheduler.Instance.activate()
 156
 157         VideosPreviewCache.Instance.init(CONFIG.CACHE.PREVIEWS.SIZE)
 158
 159         logger.info('Server listening on port %d', port)
 160         logger.info('Web server: %s', CONFIG.WEBSERVER.URL)
 161       })
 162     })
 163 }