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 // FIXME: cannot import express-validator
  11 const expressValidator = require('express-validator')
  12 import * as http from 'http'
  13 import * as morgan from 'morgan'
  14 import * as path from 'path'
  15 import * as bittorrentTracker from 'bittorrent-tracker'
  16 import * as cors from 'cors'
  17 import { Server as WebSocketServer } from 'ws'
  18
  19 const TrackerServer = bittorrentTracker.Server
  20
  21 process.title = 'peertube'
  22
  23 // Create our main app
  24 const app = express()
  25
  26 // ----------- Database -----------
  27 // Do not use barrels because we don't want to load all modules here (we need to initialize database first)
  28 import { logger } from './server/helpers/logger'
  29 import { API_VERSION, CONFIG, STATIC_PATHS } from './server/initializers/constants'
  30 // Initialize database and models
  31 import { database as db } from './server/initializers/database'
  32 db.init(false).then(() => onDatabaseInitDone())
  33
  34 // ----------- Checker -----------
  35 import { checkMissedConfig, checkFFmpeg, checkConfig } from './server/initializers/checker'
  36
  37 const missed = checkMissedConfig()
  38 if (missed.length !== 0) {
  39   throw new Error('Miss some configurations keys : ' + missed)
  40 }
  41 checkFFmpeg()
  42
  43 const errorMessage = checkConfig()
  44 if (errorMessage !== null) {
  45   throw new Error(errorMessage)
  46 }
  47
  48 // ----------- PeerTube modules -----------
  49 import { migrate, installApplication } from './server/initializers'
  50 import { JobScheduler, activateSchedulers, VideosPreviewCache } from './server/lib'
  51 import * as customValidators from './server/helpers/custom-validators'
  52 import { apiRouter, clientsRouter, staticRouter } from './server/controllers'
  53
  54 // ----------- Command line -----------
  55
  56 // ----------- App -----------
  57
  58 // Enable CORS for develop
  59 if (isTestInstance()) {
  60   app.use((req, res, next) => {
  61     // These routes have already cors
  62     if (
  63       req.path.indexOf(STATIC_PATHS.TORRENTS) === -1 &&
  64       req.path.indexOf(STATIC_PATHS.WEBSEED) === -1
  65     ) {
  66       return (cors({
  67         origin: 'http://localhost:3000',
  68         credentials: true
  69       }))(req, res, next)
  70     }
  71
  72     return next()
  73   })
  74 }
  75
  76 // For the logger
  77 app.use(morgan('combined', {
  78   stream: { write: logger.info }
  79 }))
  80 // For body requests
  81 app.use(bodyParser.json({ limit: '500kb' }))
  82 app.use(bodyParser.urlencoded({ extended: false }))
  83 // Validate some params for the API
  84 app.use(expressValidator({
  85   customValidators: customValidators
  86 }))
  87
  88 // ----------- Views, routes and static files -----------
  89
  90 // API
  91 const apiRoute = '/api/' + API_VERSION
  92 app.use(apiRoute, apiRouter)
  93
  94 // Client files
  95 app.use('/', clientsRouter)
  96
  97 // Static files
  98 app.use('/', staticRouter)
  99
 100 // Always serve index client page (the client is a single page application, let it handle routing)
 101 app.use('/*', function (req, res, next) {
 102   res.sendFile(path.join(__dirname, '../client/dist/index.html'))
 103 })
 104
 105 // ----------- Tracker -----------
 106
 107 const trackerServer = new TrackerServer({
 108   http: false,
 109   udp: false,
 110   ws: false,
 111   dht: false
 112 })
 113
 114 trackerServer.on('error', function (err) {
 115   logger.error(err)
 116 })
 117
 118 trackerServer.on('warning', function (err) {
 119   logger.error(err)
 120 })
 121
 122 const server = http.createServer(app)
 123 const wss = new WebSocketServer({ server: server, path: '/tracker/socket' })
 124 wss.on('connection', function (ws) {
 125   trackerServer.onWebSocketConnection(ws)
 126 })
 127
 128 // ----------- Errors -----------
 129
 130 // Catch 404 and forward to error handler
 131 app.use(function (req, res, next) {
 132   const err = new Error('Not Found')
 133   err['status'] = 404
 134   next(err)
 135 })
 136
 137 app.use(function (err, req, res, next) {
 138   logger.error(err)
 139   res.sendStatus(err.status || 500)
 140 })
 141
 142 // ----------- Run -----------
 143
 144 function onDatabaseInitDone () {
 145   const port = CONFIG.LISTEN.PORT
 146     // Run the migration scripts if needed
 147   migrate()
 148     .then(() => {
 149       return installApplication()
 150     })
 151     .then(() => {
 152       // ----------- Make the server listening -----------
 153       server.listen(port, function () {
 154         // Activate the communication with friends
 155         activateSchedulers()
 156
 157         // Activate job scheduler
 158         JobScheduler.Instance.activate()
 159
 160         VideosPreviewCache.Instance.init(CONFIG.CACHE.PREVIEWS.SIZE)
 161
 162         logger.info('Server listening on port %d', port)
 163         logger.info('Webserver: %s', CONFIG.WEBSERVER.URL)
 164       })
 165     })
 166 }