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peertube/server.js

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'use strict'
// ----------- Node modules -----------
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const bodyParser = require('body-parser')
const express = require('express')
const expressValidator = require('express-validator')
const http = require('http')
const morgan = require('morgan')
const path = require('path')
const TrackerServer = require('bittorrent-tracker').Server
const WebSocketServer = require('ws').Server
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process.title = 'peertube'
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// Create our main app
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const app = express()
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// ----------- Database -----------
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const constants = require('./server/initializers/constants')
const logger = require('./server/helpers/logger')
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// Initialize database and models
const db = require('./server/initializers/database')
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db.init(onDatabaseInitDone)
// ----------- Checker -----------
const checker = require('./server/initializers/checker')
const missed = checker.checkMissedConfig()
if (missed.length !== 0) {
throw new Error('Miss some configurations keys : ' + missed)
}
const errorMessage = checker.checkConfig()
if (errorMessage !== null) {
throw new Error(errorMessage)
}
// ----------- PeerTube modules -----------
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const customValidators = require('./server/helpers/custom-validators')
const friends = require('./server/lib/friends')
const installer = require('./server/initializers/installer')
const migrator = require('./server/initializers/migrator')
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const routes = require('./server/controllers')
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// ----------- Command line -----------
// ----------- App -----------
// For the logger
app.use(morgan('combined', { stream: logger.stream }))
// For body requests
app.use(bodyParser.json({ limit: '500kb' }))
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app.use(bodyParser.urlencoded({ extended: false }))
// Validate some params for the API
app.use(expressValidator({
customValidators: Object.assign(
{},
customValidators.misc,
customValidators.pods,
customValidators.users,
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customValidators.videos,
customValidators.remote.videos
)
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}))
// ----------- Views, routes and static files -----------
// API
const apiRoute = '/api/' + constants.API_VERSION
app.use(apiRoute, routes.api)
// Client files
app.use('/', routes.client)
// Static files
app.use('/', routes.static)
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// Always serve index client page (the client is a single page application, let it handle routing)
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app.use('/*', function (req, res, next) {
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res.sendFile(path.join(__dirname, './client/dist/index.html'))
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})
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// ----------- Tracker -----------
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const trackerServer = new TrackerServer({
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http: false,
udp: false,
ws: false,
dht: false
})
trackerServer.on('error', function (err) {
logger.error(err)
})
trackerServer.on('warning', function (err) {
logger.error(err)
})
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const server = http.createServer(app)
const wss = new WebSocketServer({server: server, path: '/tracker/socket'})
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wss.on('connection', function (ws) {
trackerServer.onWebSocketConnection(ws)
})
// ----------- Errors -----------
// Catch 404 and forward to error handler
app.use(function (req, res, next) {
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const err = new Error('Not Found')
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err.status = 404
next(err)
})
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app.use(function (err, req, res, next) {
logger.error(err)
res.sendStatus(err.status || 500)
})
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// ----------- Run -----------
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function onDatabaseInitDone () {
const port = constants.CONFIG.LISTEN.PORT
// Run the migration scripts if needed
migrator.migrate(function (err) {
if (err) throw err
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installer.installApplication(function (err) {
if (err) throw err
// ----------- Make the server listening -----------
server.listen(port, function () {
// Activate the communication with friends
friends.activate()
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logger.info('Server listening on port %d', port)
logger.info('Webserver: %s', constants.CONFIG.WEBSERVER.URL)
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app.emit('ready')
})
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})
})
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}
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module.exports = app