server.js

   1 ;(function () {
   2   'use strict'
   3
   4   // ----------- Node modules -----------
   5   var bodyParser = require('body-parser')
   6   var express = require('express')
   7   var expressValidator = require('express-validator')
   8   var http = require('http')
   9   var morgan = require('morgan')
  10   var multer = require('multer')
  11   var path = require('path')
  12   var TrackerServer = require('bittorrent-tracker').Server
  13   var WebSocketServer = require('ws').Server
  14
  15   // Create our main app
  16   var app = express()
  17
  18   // ----------- Checker -----------
  19   var checker = require('./src/checker')
  20
  21   var miss = checker.checkConfig()
  22   if (miss.length !== 0) {
  23     // Do not use logger module
  24     console.error('Miss some configurations keys.', { miss: miss })
  25     process.exit(0)
  26   }
  27
  28   checker.createDirectoriesIfNotExist()
  29
  30   // ----------- Constants -----------
  31   var utils = require('./src/utils')
  32
  33   global.API_VERSION = 'v1'
  34   global.FRIEND_BASE_SCORE = utils.isTestInstance() ? 20 : 100
  35
  36   // ----------- PeerTube modules -----------
  37   var config = require('config')
  38   var logger = require('./src/logger')
  39   var routes = require('./routes')
  40   var videos = require('./src/videos')
  41   var webtorrent = require('./src/webTorrentNode')
  42
  43   // Get configurations
  44   var port = config.get('listen.port')
  45   var uploads = config.get('storage.uploads')
  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())
  55   // For POST file requests
  56   app.use(multer({ dest: uploads }))
  57   app.use(bodyParser.urlencoded({ extended: false }))
  58   // Validate some params for the API
  59   app.use(expressValidator())
  60
  61   // ----------- Views, routes and static files -----------
  62
  63   // Livereload
  64   app.use(require('connect-livereload')({
  65     port: 35729
  66   }))
  67
  68   // Catch sefaults
  69   require('segfault-handler').registerHandler()
  70
  71   // Static files
  72   app.use(express.static(path.join(__dirname, '/public'), { maxAge: 0 }))
  73
  74   // Jade template from ./views directory
  75   app.set('views', path.join(__dirname, '/views'))
  76   app.set('view engine', 'jade')
  77
  78   // API routes
  79   var api_route = '/api/' + global.API_VERSION
  80   app.use(api_route, routes.api)
  81
  82   // Views routes
  83   app.use('/', routes.views)
  84
  85   // ----------- Tracker -----------
  86
  87   var trackerServer = new TrackerServer({
  88     http: false,
  89     udp: false,
  90     ws: false,
  91     dht: false
  92   })
  93
  94   trackerServer.on('error', function (err) {
  95     logger.error(err)
  96   })
  97
  98   trackerServer.on('warning', function (err) {
  99     logger.error(err)
 100   })
 101
 102   var server = http.createServer(app)
 103   var wss = new WebSocketServer({server: server, path: '/tracker/socket'})
 104   wss.on('connection', function (ws) {
 105     trackerServer.onWebSocketConnection(ws)
 106   })
 107
 108   // ----------- Errors -----------
 109
 110   // Catch 404 and forward to error handler
 111   app.use(function (req, res, next) {
 112     var err = new Error('Not Found')
 113     err.status = 404
 114     next(err)
 115   })
 116
 117   // Prod : no stacktraces leaked to user
 118   if (process.env.NODE_ENV === 'production') {
 119     app.use(function (err, req, res, next) {
 120       logger.error('Error : ' + err.message, { error: err })
 121       res.status(err.status || 500)
 122       res.render('error', {
 123         message: err.message,
 124         error: {}
 125       })
 126     })
 127   } else {
 128     app.use(function (err, req, res, next) {
 129       logger.error('Error : ' + err.message, { error: err })
 130       res.status(err.status || 500)
 131       res.render('error', {
 132         message: err.message,
 133         error: err
 134       })
 135     })
 136   }
 137
 138   // ----------- Create the certificates if they don't already exist -----------
 139   utils.createCertsIfNotExist(function (err) {
 140     if (err) throw err
 141     // Create/activate the webtorrent module
 142     webtorrent.create(function () {
 143       function cleanForExit () {
 144         utils.cleanForExit(webtorrent.app)
 145       }
 146
 147       function exitGracefullyOnSignal () {
 148         process.exit()
 149       }
 150
 151       process.on('exit', cleanForExit)
 152       process.on('SIGINT', exitGracefullyOnSignal)
 153       process.on('SIGTERM', exitGracefullyOnSignal)
 154
 155       // ----------- Make the server listening -----------
 156       server.listen(port, function () {
 157         videos.seedAll(function () {
 158           logger.info('Seeded all the videos')
 159           logger.info('Server listening on port %d', port)
 160           app.emit('ready')
 161         })
 162       })
 163     })
 164   })
 165
 166   module.exports = app
 167 })()