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 // ----------- Database -----------
  17 const config = require('config')
  18 const constants = require('./server/initializers/constants')
  19 const database = require('./server/initializers/database')
  20 const logger = require('./server/helpers/logger')
  21
  22 database.connect()
  23
  24 // ----------- Checker -----------
  25 const checker = require('./server/initializers/checker')
  26
  27 const miss = checker.checkConfig()
  28 if (miss.length !== 0) {
  29   throw new Error('Miss some configurations keys : ' + miss)
  30 }
  31
  32 // ----------- PeerTube modules -----------
  33 const customValidators = require('./server/helpers/custom-validators')
  34 const installer = require('./server/initializers/installer')
  35 const migrator = require('./server/initializers/migrator')
  36 const mongoose = require('mongoose')
  37 const routes = require('./server/controllers')
  38 const Request = mongoose.model('Request')
  39
  40 // Get configurations
  41 const port = config.get('listen.port')
  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({ limit: '500kb' }))
  51 app.use(bodyParser.urlencoded({ extended: false }))
  52 // Validate some params for the API
  53 app.use(expressValidator({
  54   customValidators: Object.assign(
  55     {},
  56     customValidators.misc,
  57     customValidators.pods,
  58     customValidators.users,
  59     customValidators.videos
  60   )
  61 }))
  62
  63 // ----------- Views, routes and static files -----------
  64
  65 // API routes
  66 const apiRoute = '/api/' + constants.API_VERSION
  67 app.use(apiRoute, routes.api)
  68
  69 // Static files
  70 app.use('/client', express.static(path.join(__dirname, '/client/dist'), { maxAge: 0 }))
  71 // 404 for static files not found
  72 app.use('/client/*', function (req, res, next) {
  73   res.sendStatus(404)
  74 })
  75
  76 const torrentsPhysicalPath = path.join(__dirname, config.get('storage.torrents'))
  77 app.use(constants.STATIC_PATHS.TORRENTS, express.static(torrentsPhysicalPath, { maxAge: 0 }))
  78
  79 // Uploads path for webseeding
  80 const uploadsPhysicalPath = path.join(__dirname, config.get('storage.uploads'))
  81 app.use(constants.STATIC_PATHS.WEBSEED, express.static(uploadsPhysicalPath, { maxAge: 0 }))
  82
  83 // Thumbnails path for express
  84 const thumbnailsPhysicalPath = path.join(__dirname, config.get('storage.thumbnails'))
  85 app.use(constants.STATIC_PATHS.THUMBNAILS, express.static(thumbnailsPhysicalPath, { maxAge: 0 }))
  86
  87 // Client application
  88 app.use('/*', function (req, res, next) {
  89   res.sendFile(path.join(__dirname, 'client/dist/index.html'))
  90 })
  91
  92 // ----------- Tracker -----------
  93
  94 const trackerServer = new TrackerServer({
  95   http: false,
  96   udp: false,
  97   ws: false,
  98   dht: false
  99 })
 100
 101 trackerServer.on('error', function (err) {
 102   logger.error(err)
 103 })
 104
 105 trackerServer.on('warning', function (err) {
 106   logger.error(err)
 107 })
 108
 109 const server = http.createServer(app)
 110 const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 111 wss.on('connection', function (ws) {
 112   trackerServer.onWebSocketConnection(ws)
 113 })
 114
 115 // ----------- Errors -----------
 116
 117 // Catch 404 and forward to error handler
 118 app.use(function (req, res, next) {
 119   const err = new Error('Not Found')
 120   err.status = 404
 121   next(err)
 122 })
 123
 124 app.use(function (err, req, res, next) {
 125   logger.error(err)
 126   res.sendStatus(err.status || 500)
 127 })
 128
 129 installer.installApplication(function (err) {
 130   if (err) throw err
 131
 132   // Run the migration scripts if needed
 133   migrator.migrate(function (err) {
 134     if (err) throw err
 135
 136     // ----------- Make the server listening -----------
 137     server.listen(port, function () {
 138       // Activate the pool requests
 139       Request.activate()
 140
 141       logger.info('Seeded all the videos')
 142       logger.info('Server listening on port %d', port)
 143       app.emit('ready')
 144     })
 145   })
 146 })
 147
 148 module.exports = app