server.js

   1 'use strict'
   2
   3 // ----------- Node modules -----------
   4 var bodyParser = require('body-parser')
   5 var express = require('express')
   6 var expressValidator = require('express-validator')
   7 var http = require('http')
   8 var morgan = require('morgan')
   9 var path = require('path')
  10 var TrackerServer = require('bittorrent-tracker').Server
  11 var WebSocketServer = require('ws').Server
  12
  13 // Create our main app
  14 var app = express()
  15
  16 // ----------- Checker -----------
  17 var checker = require('./server/initializers/checker')
  18
  19 var miss = checker.checkConfig()
  20 if (miss.length !== 0) {
  21   throw new Error('Miss some configurations keys : ' + miss)
  22 }
  23
  24 checker.createDirectoriesIfNotExist()
  25
  26 // ----------- PeerTube modules -----------
  27 var config = require('config')
  28 var constants = require('./server/initializers/constants')
  29 var customValidators = require('./server/helpers/customValidators')
  30 var database = require('./server/initializers/database')
  31 var logger = require('./server/helpers/logger')
  32 var peertubeCrypto = require('./server/helpers/peertubeCrypto')
  33 var poolRequests = require('./server/lib/poolRequests')
  34 var routes = require('./server/controllers')
  35 var utils = require('./server/helpers/utils')
  36 var videos = require('./server/lib/videos')
  37 var webtorrent = require('./server/lib/webtorrent')
  38
  39 // Get configurations
  40 var port = config.get('listen.port')
  41
  42 // ----------- Database -----------
  43 database.connect()
  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 app.use(bodyParser.urlencoded({ extended: false }))
  54 // Validate some params for the API
  55 app.use(expressValidator({
  56   customValidators: customValidators
  57 }))
  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 // API routes
  70 var api_route = '/api/' + constants.API_VERSION
  71 app.use(api_route, routes.api)
  72
  73 // Static files
  74 app.use('/app', express.static(path.join(__dirname, '/client'), { maxAge: 0 }))
  75 // 404 for static files not found
  76 app.use('/app/*', function (req, res, next) {
  77   res.sendStatus(404)
  78 })
  79
  80 // Client application
  81 app.use('/*', function (req, res, next) {
  82   res.sendFile(path.join(__dirname, 'client/index.html'))
  83 })
  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 app.use(function (err, req, res, next) {
 118   logger.error(err)
 119   res.sendStatus(err.status || 500)
 120 })
 121
 122 // ----------- Create the certificates if they don't already exist -----------
 123 peertubeCrypto.createCertsIfNotExist(function (err) {
 124   if (err) throw err
 125   // Create/activate the webtorrent module
 126   webtorrent.create(function () {
 127     function cleanForExit () {
 128       utils.cleanForExit(webtorrent.app)
 129     }
 130
 131     function exitGracefullyOnSignal () {
 132       process.exit(-1)
 133     }
 134
 135     process.on('exit', cleanForExit)
 136     process.on('SIGINT', exitGracefullyOnSignal)
 137     process.on('SIGTERM', exitGracefullyOnSignal)
 138
 139     // ----------- Make the server listening -----------
 140     server.listen(port, function () {
 141       // Activate the pool requests
 142       poolRequests.activate()
 143
 144       videos.seedAllExisting(function () {
 145         logger.info('Seeded all the videos')
 146         logger.info('Server listening on port %d', port)
 147         app.emit('ready')
 148       })
 149     })
 150   })
 151 })
 152
 153 module.exports = app