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