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