server.js

   1 'use strict'
   2
   3 // ----------- Node modules -----------
   4 const bodyParser = require('body-parser')
   5 const cors = require('cors')
   6 const express = require('express')
   7 const expressValidator = require('express-validator')
   8 const http = require('http')
   9 const morgan = require('morgan')
  10 const path = require('path')
  11 const TrackerServer = require('bittorrent-tracker').Server
  12 const WebSocketServer = require('ws').Server
  13
  14 process.title = 'peertube'
  15
  16 // Create our main app
  17 const app = express()
  18
  19 // ----------- Database -----------
  20 const constants = require('./server/initializers/constants')
  21 const database = require('./server/initializers/database')
  22 const logger = require('./server/helpers/logger')
  23
  24 database.connect()
  25
  26 // ----------- Checker -----------
  27 const checker = require('./server/initializers/checker')
  28
  29 const missed = checker.checkMissedConfig()
  30 if (missed.length !== 0) {
  31   throw new Error('Miss some configurations keys : ' + missed)
  32 }
  33
  34 const errorMessage = checker.checkConfig()
  35 if (errorMessage !== null) {
  36   throw new Error(errorMessage)
  37 }
  38
  39 // ----------- PeerTube modules -----------
  40 const customValidators = require('./server/helpers/custom-validators')
  41 const installer = require('./server/initializers/installer')
  42 const migrator = require('./server/initializers/migrator')
  43 const mongoose = require('mongoose')
  44 const routes = require('./server/controllers')
  45 const Request = mongoose.model('Request')
  46
  47 // ----------- Command line -----------
  48
  49 // ----------- App -----------
  50
  51 // For the logger
  52 app.use(morgan('combined', { stream: logger.stream }))
  53 // For body requests
  54 app.use(bodyParser.json({ limit: '500kb' }))
  55 app.use(bodyParser.urlencoded({ extended: false }))
  56 // Validate some params for the API
  57 app.use(expressValidator({
  58   customValidators: Object.assign(
  59     {},
  60     customValidators.misc,
  61     customValidators.pods,
  62     customValidators.users,
  63     customValidators.videos
  64   )
  65 }))
  66
  67 // ----------- Views, routes and static files -----------
  68
  69 // API routes
  70 const apiRoute = '/api/' + constants.API_VERSION
  71 app.use(apiRoute, routes.api)
  72 app.use('/', routes.client)
  73
  74 // Static files
  75 app.use('/client', express.static(path.join(__dirname, '/client/dist'), { maxAge: constants.STATIC_MAX_AGE }))
  76 // 404 for static files not found
  77 app.use('/client/*', function (req, res, next) {
  78   res.sendStatus(404)
  79 })
  80
  81 const torrentsPhysicalPath = constants.CONFIG.STORAGE.TORRENTS_DIR
  82 app.use(constants.STATIC_PATHS.TORRENTS, cors(), express.static(torrentsPhysicalPath, { maxAge: constants.STATIC_MAX_AGE }))
  83
  84 // Videos path for webseeding
  85 const videosPhysicalPath = constants.CONFIG.STORAGE.VIDEOS_DIR
  86 app.use(constants.STATIC_PATHS.WEBSEED, cors(), express.static(videosPhysicalPath, { maxAge: constants.STATIC_MAX_AGE }))
  87
  88 // Thumbnails path for express
  89 const thumbnailsPhysicalPath = constants.CONFIG.STORAGE.THUMBNAILS_DIR
  90 app.use(constants.STATIC_PATHS.THUMBNAILS, express.static(thumbnailsPhysicalPath, { maxAge: constants.STATIC_MAX_AGE }))
  91
  92 // Always serve index client page
  93 app.use('/*', function (req, res, next) {
  94   res.sendFile(path.join(__dirname, './client/dist/index.html'))
  95 })
  96
  97 // ----------- Tracker -----------
  98
  99 const trackerServer = new TrackerServer({
 100   http: false,
 101   udp: false,
 102   ws: false,
 103   dht: false
 104 })
 105
 106 trackerServer.on('error', function (err) {
 107   logger.error(err)
 108 })
 109
 110 trackerServer.on('warning', function (err) {
 111   logger.error(err)
 112 })
 113
 114 const server = http.createServer(app)
 115 const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 116 wss.on('connection', function (ws) {
 117   trackerServer.onWebSocketConnection(ws)
 118 })
 119
 120 // ----------- Errors -----------
 121
 122 // Catch 404 and forward to error handler
 123 app.use(function (req, res, next) {
 124   const err = new Error('Not Found')
 125   err.status = 404
 126   next(err)
 127 })
 128
 129 app.use(function (err, req, res, next) {
 130   logger.error(err)
 131   res.sendStatus(err.status || 500)
 132 })
 133
 134 const port = constants.CONFIG.LISTEN.PORT
 135 installer.installApplication(function (err) {
 136   if (err) throw err
 137
 138   // Run the migration scripts if needed
 139   migrator.migrate(function (err) {
 140     if (err) throw err
 141
 142     // ----------- Make the server listening -----------
 143     server.listen(port, function () {
 144       // Activate the pool requests
 145       Request.activate()
 146
 147       logger.info('Server listening on port %d', port)
 148       logger.info('Webserver: %s', constants.CONFIG.WEBSERVER.URL)
 149
 150       app.emit('ready')
 151     })
 152   })
 153 })
 154
 155 module.exports = app