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 { ACCEPT_HEADERS, 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 { activitypubHttpJobScheduler, transcodingJobScheduler, VideosPreviewCache } from './server/lib'
  50 import { apiRouter, clientsRouter, staticRouter, servicesRouter, webfingerRouter, activityPubRouter } 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({
  80   type: [ 'application/json', 'application/*+json' ],
  81   limit: '500kb'
  82 }))
  83 app.use(bodyParser.urlencoded({ extended: false }))
  84
  85 // ----------- Tracker -----------
  86
  87 const trackerServer = new TrackerServer({
  88   http: false,
  89   udp: false,
  90   ws: false,
  91   dht: false
  92 })
  93
  94 trackerServer.on('error', function (err) {
  95   logger.error(err)
  96 })
  97
  98 trackerServer.on('warning', function (err) {
  99   logger.error(err)
 100 })
 101
 102 const server = http.createServer(app)
 103 const wss = new WebSocketServer({ server: server, path: '/tracker/socket' })
 104 wss.on('connection', function (ws) {
 105   trackerServer.onWebSocketConnection(ws)
 106 })
 107
 108 const onHttpRequest = trackerServer.onHttpRequest.bind(trackerServer)
 109 app.get('/tracker/announce', (req, res) => onHttpRequest(req, res, { action: 'announce' }))
 110 app.get('/tracker/scrape', (req, res) => onHttpRequest(req, res, { action: 'scrape' }))
 111
 112 // ----------- Views, routes and static files -----------
 113
 114 // API
 115 const apiRoute = '/api/' + API_VERSION
 116 app.use(apiRoute, apiRouter)
 117
 118 // Services (oembed...)
 119 app.use('/services', servicesRouter)
 120
 121 app.use('/', webfingerRouter)
 122 app.use('/', activityPubRouter)
 123
 124 // Client files
 125 app.use('/', clientsRouter)
 126
 127 // Static files
 128 app.use('/', staticRouter)
 129
 130 // Always serve index client page (the client is a single page application, let it handle routing)
 131 app.use('/*', function (req, res) {
 132   if (req.accepts(ACCEPT_HEADERS) === 'html') {
 133     return res.sendFile(path.join(__dirname, '../client/dist/index.html'))
 134   }
 135
 136   return res.status(404).end()
 137 })
 138
 139 // ----------- Errors -----------
 140
 141 // Catch 404 and forward to error handler
 142 app.use(function (req, res, next) {
 143   const err = new Error('Not Found')
 144   err['status'] = 404
 145   next(err)
 146 })
 147
 148 app.use(function (err, req, res, next) {
 149   logger.error(err)
 150   res.sendStatus(err.status || 500)
 151 })
 152
 153 // ----------- Run -----------
 154
 155 function onDatabaseInitDone () {
 156   const port = CONFIG.LISTEN.PORT
 157     // Run the migration scripts if needed
 158   migrate()
 159     .then(() => installApplication())
 160     .then(() => {
 161       // ----------- Make the server listening -----------
 162       server.listen(port, () => {
 163         VideosPreviewCache.Instance.init(CONFIG.CACHE.PREVIEWS.SIZE)
 164         activitypubHttpJobScheduler.activate()
 165         transcodingJobScheduler.activate()
 166
 167         logger.info('Server listening on port %d', port)
 168         logger.info('Web server: %s', CONFIG.WEBSERVER.URL)
 169       })
 170     })
 171 }