server.js

   1 'use strict'
   2
   3 // ----------- Node modules -----------
   4 const bodyParser = require('body-parser')
   5 const express = require('express')
   6 const expressValidator = require('express-validator')
   7 const http = require('http')
   8 const morgan = require('morgan')
   9 const path = require('path')
  10 const TrackerServer = require('bittorrent-tracker').Server
  11 const WebSocketServer = require('ws').Server
  12
  13 // Create our main app
  14 const app = express()
  15
  16 // ----------- Checker -----------
  17 const checker = require('./server/initializers/checker')
  18
  19 const miss = checker.checkConfig()
  20 if (miss.length !== 0) {
  21   throw new Error('Miss some configurations keys : ' + miss)
  22 }
  23
  24 // ----------- PeerTube modules -----------
  25 const config = require('config')
  26 const constants = require('./server/initializers/constants')
  27 const customValidators = require('./server/helpers/customValidators')
  28 const database = require('./server/initializers/database')
  29 const installer = require('./server/initializers/installer')
  30 const logger = require('./server/helpers/logger')
  31 const poolRequests = require('./server/lib/requestsScheduler')
  32 const routes = require('./server/controllers')
  33 const utils = require('./server/helpers/utils')
  34 const videos = require('./server/lib/videos')
  35 const webtorrent = require('./server/lib/webtorrent')
  36
  37 // Get configurations
  38 const port = config.get('listen.port')
  39
  40 // ----------- Database -----------
  41 database.connect()
  42
  43 // ----------- Command line -----------
  44
  45 // ----------- App -----------
  46
  47 // For the logger
  48 app.use(morgan('combined', { stream: logger.stream }))
  49 // For body requests
  50 app.use(bodyParser.json())
  51 app.use(bodyParser.urlencoded({ extended: false }))
  52 // Validate some params for the API
  53 app.use(expressValidator({
  54   customValidators: customValidators
  55 }))
  56
  57 // ----------- Views, routes and static files -----------
  58
  59 // Livereload
  60 app.use(require('connect-livereload')({
  61   port: 35729
  62 }))
  63
  64 // Catch sefaults
  65 require('segfault-handler').registerHandler()
  66
  67 // API routes
  68 const api_route = '/api/' + constants.API_VERSION
  69 app.use(api_route, routes.api)
  70
  71 // Static files
  72 app.use('/app', express.static(path.join(__dirname, '/client'), { maxAge: 0 }))
  73 // 404 for static files not found
  74 app.use('/app/*', function (req, res, next) {
  75   res.sendStatus(404)
  76 })
  77
  78 // Thumbnails path for express
  79 const thumbnails_physical_path = path.join(__dirname, config.get('storage.thumbnails'))
  80 app.use(constants.THUMBNAILS_STATIC_PATH, express.static(thumbnails_physical_path, { maxAge: 0 }))
  81
  82 // Client application
  83 app.use('/*', function (req, res, next) {
  84   res.sendFile(path.join(__dirname, 'client/index.html'))
  85 })
  86
  87 // ----------- Tracker -----------
  88
  89 const trackerServer = new TrackerServer({
  90   http: false,
  91   udp: false,
  92   ws: false,
  93   dht: false
  94 })
  95
  96 trackerServer.on('error', function (err) {
  97   logger.error(err)
  98 })
  99
 100 trackerServer.on('warning', function (err) {
 101   logger.error(err)
 102 })
 103
 104 const server = http.createServer(app)
 105 const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 106 wss.on('connection', function (ws) {
 107   trackerServer.onWebSocketConnection(ws)
 108 })
 109
 110 // ----------- Errors -----------
 111
 112 // Catch 404 and forward to error handler
 113 app.use(function (req, res, next) {
 114   const err = new Error('Not Found')
 115   err.status = 404
 116   next(err)
 117 })
 118
 119 app.use(function (err, req, res, next) {
 120   logger.error(err)
 121   res.sendStatus(err.status || 500)
 122 })
 123
 124 installer.installApplication(function (err) {
 125   if (err) throw err
 126
 127   // Create/activate the webtorrent module
 128   webtorrent.create(function () {
 129     function cleanForExit () {
 130       utils.cleanForExit(webtorrent.app)
 131     }
 132
 133     function exitGracefullyOnSignal () {
 134       process.exit(-1)
 135     }
 136
 137     process.on('exit', cleanForExit)
 138     process.on('SIGINT', exitGracefullyOnSignal)
 139     process.on('SIGTERM', exitGracefullyOnSignal)
 140
 141     // ----------- Make the server listening -----------
 142     server.listen(port, function () {
 143       // Activate the pool requests
 144       poolRequests.activate()
 145
 146       videos.seedAllExisting(function () {
 147         logger.info('Seeded all the videos')
 148         logger.info('Server listening on port %d', port)
 149         app.emit('ready')
 150       })
 151     })
 152   })
 153 })
 154
 155 module.exports = app