server.js

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