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 process.title = 'peertube'
  14
  15 // Create our main app
  16 const app = express()
  17
  18 // ----------- Database -----------
  19 const constants = require('./server/initializers/constants')
  20 const logger = require('./server/helpers/logger')
  21 // Initialize database and models
  22 const db = require('./server/initializers/database')
  23 db.init(onDatabaseInitDone)
  24
  25 // ----------- Checker -----------
  26 const checker = require('./server/initializers/checker')
  27
  28 const missed = checker.checkMissedConfig()
  29 if (missed.length !== 0) {
  30   throw new Error('Miss some configurations keys : ' + missed)
  31 }
  32 checker.checkFFmpeg(function (err) {
  33   if (err) {
  34     throw err
  35   }
  36 })
  37
  38 const errorMessage = checker.checkConfig()
  39 if (errorMessage !== null) {
  40   throw new Error(errorMessage)
  41 }
  42
  43 // ----------- PeerTube modules -----------
  44 const customValidators = require('./server/helpers/custom-validators')
  45 const friends = require('./server/lib/friends')
  46 const installer = require('./server/initializers/installer')
  47 const migrator = require('./server/initializers/migrator')
  48 const jobScheduler = require('./server/lib/jobs/job-scheduler')
  49 const routes = require('./server/controllers')
  50
  51 // ----------- Command line -----------
  52
  53 // ----------- App -----------
  54
  55 // For the logger
  56 app.use(morgan('combined', { stream: logger.stream }))
  57 // For body requests
  58 app.use(bodyParser.json({ limit: '500kb' }))
  59 app.use(bodyParser.urlencoded({ extended: false }))
  60 // Validate some params for the API
  61 app.use(expressValidator({
  62   customValidators: Object.assign(
  63     {},
  64     customValidators.misc,
  65     customValidators.pods,
  66     customValidators.users,
  67     customValidators.videos,
  68     customValidators.remote.videos
  69   )
  70 }))
  71
  72 // ----------- Views, routes and static files -----------
  73
  74 // API
  75 const apiRoute = '/api/' + constants.API_VERSION
  76 app.use(apiRoute, routes.api)
  77
  78 // Client files
  79 app.use('/', routes.client)
  80
  81 // Static files
  82 app.use('/', routes.static)
  83
  84 // Always serve index client page (the client is a single page application, let it handle routing)
  85 app.use('/*', function (req, res, next) {
  86   res.sendFile(path.join(__dirname, './client/dist/index.html'))
  87 })
  88
  89 // ----------- Tracker -----------
  90
  91 const trackerServer = new TrackerServer({
  92   http: false,
  93   udp: false,
  94   ws: false,
  95   dht: false
  96 })
  97
  98 trackerServer.on('error', function (err) {
  99   logger.error(err)
 100 })
 101
 102 trackerServer.on('warning', function (err) {
 103   logger.error(err)
 104 })
 105
 106 const server = http.createServer(app)
 107 const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 108 wss.on('connection', function (ws) {
 109   trackerServer.onWebSocketConnection(ws)
 110 })
 111
 112 // ----------- Errors -----------
 113
 114 // Catch 404 and forward to error handler
 115 app.use(function (req, res, next) {
 116   const err = new Error('Not Found')
 117   err.status = 404
 118   next(err)
 119 })
 120
 121 app.use(function (err, req, res, next) {
 122   logger.error(err)
 123   res.sendStatus(err.status || 500)
 124 })
 125
 126 // ----------- Run -----------
 127
 128 function onDatabaseInitDone () {
 129   const port = constants.CONFIG.LISTEN.PORT
 130     // Run the migration scripts if needed
 131   migrator.migrate(function (err) {
 132     if (err) throw err
 133
 134     installer.installApplication(function (err) {
 135       if (err) throw err
 136
 137       // ----------- Make the server listening -----------
 138       server.listen(port, function () {
 139         // Activate the communication with friends
 140         friends.activate()
 141
 142         // Activate job scheduler
 143         jobScheduler.activate()
 144
 145         logger.info('Server listening on port %d', port)
 146         logger.info('Webserver: %s', constants.CONFIG.WEBSERVER.URL)
 147
 148         app.emit('ready')
 149       })
 150     })
 151   })
 152 }
 153
 154 module.exports = app