mirror of
https://github.com/advplyr/audiobookshelf.git
synced 2024-12-20 19:06:06 +01:00
498 lines
18 KiB
JavaScript
498 lines
18 KiB
JavaScript
const Path = require('path')
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const express = require('express')
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const http = require('http')
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const SocketIO = require('socket.io')
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const fs = require('fs-extra')
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const fileUpload = require('express-fileupload')
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const rateLimit = require('express-rate-limit')
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const { version } = require('../package.json')
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// Utils
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const dbMigration = require('./utils/dbMigration')
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const filePerms = require('./utils/filePerms')
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const Logger = require('./Logger')
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// Classes
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const Auth = require('./Auth')
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const Watcher = require('./Watcher')
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const Scanner = require('./scanner/Scanner')
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const Db = require('./Db')
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const ApiRouter = require('./routers/ApiRouter')
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const HlsRouter = require('./routers/HlsRouter')
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const StaticRouter = require('./routers/StaticRouter')
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const CoverManager = require('./managers/CoverManager')
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const AbMergeManager = require('./managers/AbMergeManager')
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const CacheManager = require('./managers/CacheManager')
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const LogManager = require('./managers/LogManager')
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const BackupManager = require('./managers/BackupManager')
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const PlaybackSessionManager = require('./managers/PlaybackSessionManager')
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const PodcastManager = require('./managers/PodcastManager')
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const AudioMetadataMangaer = require('./managers/AudioMetadataManager')
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const RssFeedManager = require('./managers/RssFeedManager')
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class Server {
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constructor(SOURCE, PORT, HOST, UID, GID, CONFIG_PATH, METADATA_PATH) {
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this.Port = PORT
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this.Host = HOST
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global.Source = SOURCE
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global.Uid = isNaN(UID) ? 0 : Number(UID)
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global.Gid = isNaN(GID) ? 0 : Number(GID)
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global.ConfigPath = Path.normalize(CONFIG_PATH)
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global.MetadataPath = Path.normalize(METADATA_PATH)
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// Fix backslash if not on Windows
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if (process.platform !== 'win32') {
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global.ConfigPath = global.ConfigPath.replace(/\\/g, '/')
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global.MetadataPath = global.MetadataPath.replace(/\\/g, '/')
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}
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if (!fs.pathExistsSync(global.ConfigPath)) {
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fs.mkdirSync(global.ConfigPath)
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filePerms.setDefaultDirSync(global.ConfigPath, false)
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}
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if (!fs.pathExistsSync(global.MetadataPath)) {
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fs.mkdirSync(global.MetadataPath)
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filePerms.setDefaultDirSync(global.MetadataPath, false)
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}
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this.db = new Db()
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this.watcher = new Watcher()
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this.auth = new Auth(this.db)
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// Managers
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this.backupManager = new BackupManager(this.db, this.emitter.bind(this))
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this.logManager = new LogManager(this.db)
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this.cacheManager = new CacheManager()
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this.abMergeManager = new AbMergeManager(this.db, this.clientEmitter.bind(this))
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this.playbackSessionManager = new PlaybackSessionManager(this.db, this.emitter.bind(this), this.clientEmitter.bind(this))
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this.coverManager = new CoverManager(this.db, this.cacheManager)
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this.podcastManager = new PodcastManager(this.db, this.watcher, this.emitter.bind(this))
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this.audioMetadataManager = new AudioMetadataMangaer(this.db, this.emitter.bind(this), this.clientEmitter.bind(this))
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this.rssFeedManager = new RssFeedManager(this.db, this.emitter.bind(this))
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this.scanner = new Scanner(this.db, this.coverManager, this.emitter.bind(this))
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// Routers
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this.apiRouter = new ApiRouter(this.db, this.auth, this.scanner, this.playbackSessionManager, this.abMergeManager, this.coverManager, this.backupManager, this.watcher, this.cacheManager, this.podcastManager, this.audioMetadataManager, this.rssFeedManager, this.emitter.bind(this), this.clientEmitter.bind(this))
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this.hlsRouter = new HlsRouter(this.db, this.auth, this.playbackSessionManager, this.emitter.bind(this))
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this.staticRouter = new StaticRouter(this.db)
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Logger.logManager = this.logManager
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this.server = null
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this.io = null
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this.clients = {}
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}
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get usersOnline() {
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// TODO: Map open user sessions
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return Object.values(this.clients).filter(c => c.user).map(client => {
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return client.user.toJSONForPublic(this.playbackSessionManager.sessions, this.db.libraryItems)
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})
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}
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getClientsForUser(userId) {
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return Object.values(this.clients).filter(c => c.user && c.user.id === userId)
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}
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emitter(ev, data) {
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// Logger.debug('EMITTER', ev)
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this.io.emit(ev, data)
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}
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clientEmitter(userId, ev, data) {
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var clients = this.getClientsForUser(userId)
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if (!clients.length) {
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return Logger.debug(`[Server] clientEmitter - no clients found for user ${userId}`)
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}
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clients.forEach((client) => {
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if (client.socket) {
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client.socket.emit(ev, data)
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}
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})
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}
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authMiddleware(req, res, next) {
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this.auth.authMiddleware(req, res, next)
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}
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async init() {
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Logger.info('[Server] Init v' + version)
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await this.abMergeManager.removeOrphanDownloads()
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await this.playbackSessionManager.removeOrphanStreams()
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var previousVersion = await this.db.checkPreviousVersion() // Returns null if same server version
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if (previousVersion) {
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Logger.debug(`[Server] Upgraded from previous version ${previousVersion}`)
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}
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if (previousVersion && previousVersion.localeCompare('2.0.0') < 0) { // Old version data model migration
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Logger.debug(`[Server] Previous version was < 2.0.0 - migration required`)
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await dbMigration.migrate(this.db)
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} else {
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await this.db.init()
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}
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await this.checkUserMediaProgress() // Remove invalid user item progress
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await this.purgeMetadata() // Remove metadata folders without library item
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await this.cacheManager.ensureCachePaths()
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await this.abMergeManager.ensureDownloadDirPath()
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await this.backupManager.init()
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await this.logManager.init()
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await this.rssFeedManager.init()
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this.podcastManager.init()
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if (this.db.serverSettings.scannerDisableWatcher) {
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Logger.info(`[Server] Watcher is disabled`)
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this.watcher.disabled = true
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} else {
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this.watcher.initWatcher(this.db.libraries)
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this.watcher.on('files', this.filesChanged.bind(this))
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}
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}
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async start() {
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Logger.info('=== Starting Server ===')
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await this.init()
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const app = express()
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this.server = http.createServer(app)
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app.use(this.auth.cors)
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app.use(fileUpload())
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app.use(express.urlencoded({ extended: true, limit: "5mb" }));
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app.use(express.json({ limit: "5mb" }))
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// Static path to generated nuxt
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const distPath = Path.join(global.appRoot, '/client/dist')
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app.use(express.static(distPath))
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// Metadata folder static path
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app.use('/metadata', this.authMiddleware.bind(this), express.static(global.MetadataPath))
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// Static folder
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app.use(express.static(Path.join(global.appRoot, 'static')))
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app.use('/api', this.authMiddleware.bind(this), this.apiRouter.router)
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app.use('/hls', this.authMiddleware.bind(this), this.hlsRouter.router)
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app.use('/s', this.authMiddleware.bind(this), this.staticRouter.router)
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// EBook static file routes
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app.get('/ebook/:library/:folder/*', (req, res) => {
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var library = this.db.libraries.find(lib => lib.id === req.params.library)
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if (!library) return res.sendStatus(404)
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var folder = library.folders.find(fol => fol.id === req.params.folder)
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if (!folder) return res.status(404).send('Folder not found')
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var remainingPath = req.params['0']
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var fullPath = Path.join(folder.fullPath, remainingPath)
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res.sendFile(fullPath)
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})
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// RSS Feed temp route
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app.get('/feed/:id', (req, res) => {
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Logger.info(`[Server] Requesting rss feed ${req.params.id}`)
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this.rssFeedManager.getFeed(req, res)
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})
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app.get('/feed/:id/cover', (req, res) => {
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this.rssFeedManager.getFeedCover(req, res)
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})
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app.get('/feed/:id/item/:episodeId/*', (req, res) => {
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Logger.debug(`[Server] Requesting rss feed episode ${req.params.id}/${req.params.episodeId}`)
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this.rssFeedManager.getFeedItem(req, res)
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})
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// Client dynamic routes
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const dyanimicRoutes = [
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'/item/:id',
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'/item/:id/manage',
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'/author/:id',
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'/audiobook/:id/chapters',
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'/audiobook/:id/edit',
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'/library/:library',
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'/library/:library/search',
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'/library/:library/bookshelf/:id?',
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'/library/:library/authors',
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'/library/:library/series/:id?',
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'/config/users/:id',
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'/config/users/:id/sessions',
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'/collection/:id'
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]
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dyanimicRoutes.forEach((route) => app.get(route, (req, res) => res.sendFile(Path.join(distPath, 'index.html'))))
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app.post('/login', this.getLoginRateLimiter(), (req, res) => this.auth.login(req, res))
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app.post('/logout', this.authMiddleware.bind(this), this.logout.bind(this))
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app.post('/init', (req, res) => {
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if (this.db.hasRootUser) {
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Logger.error(`[Server] attempt to init server when server already has a root user`)
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return res.sendStatus(500)
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}
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this.initializeServer(req, res)
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})
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app.get('/status', (req, res) => {
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// status check for client to see if server has been initialized
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// server has been initialized if a root user exists
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const payload = {
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isInit: this.db.hasRootUser
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}
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if (!payload.isInit) {
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payload.ConfigPath = global.ConfigPath
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payload.MetadataPath = global.MetadataPath
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}
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res.json(payload)
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})
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app.get('/ping', (req, res) => {
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Logger.info('Recieved ping')
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res.json({ success: true })
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})
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this.server.listen(this.Port, this.Host, () => {
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Logger.info(`Listening on http://${this.Host}:${this.Port}`)
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})
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this.io = new SocketIO.Server(this.server, {
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cors: {
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origin: '*',
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methods: ["GET", "POST"]
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}
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})
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this.io.on('connection', (socket) => {
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this.clients[socket.id] = {
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id: socket.id,
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socket,
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connected_at: Date.now()
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}
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socket.sheepClient = this.clients[socket.id]
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Logger.info('[Server] Socket Connected', socket.id)
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socket.on('auth', (token) => this.authenticateSocket(socket, token))
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// Scanning
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socket.on('cancel_scan', this.cancelScan.bind(this))
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// Logs
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socket.on('set_log_listener', (level) => Logger.addSocketListener(socket, level))
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socket.on('fetch_daily_logs', () => this.logManager.socketRequestDailyLogs(socket))
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socket.on('ping', () => {
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var client = this.clients[socket.id] || {}
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var user = client.user || {}
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Logger.debug(`[Server] Received ping from socket ${user.username || 'No User'}`)
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socket.emit('pong')
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})
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socket.on('disconnect', () => {
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Logger.removeSocketListener(socket.id)
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var _client = this.clients[socket.id]
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if (!_client) {
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Logger.warn('[Server] Socket disconnect, no client ' + socket.id)
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} else if (!_client.user) {
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Logger.info('[Server] Unauth socket disconnected ' + socket.id)
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delete this.clients[socket.id]
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} else {
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Logger.debug('[Server] User Offline ' + _client.user.username)
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this.io.emit('user_offline', _client.user.toJSONForPublic(this.playbackSessionManager.sessions, this.db.libraryItems))
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const disconnectTime = Date.now() - _client.connected_at
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Logger.info(`[Server] Socket ${socket.id} disconnected from client "${_client.user.username}" after ${disconnectTime}ms`)
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delete this.clients[socket.id]
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}
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})
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})
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}
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async initializeServer(req, res) {
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Logger.info(`[Server] Initializing new server`)
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const newRoot = req.body.newRoot
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let rootPash = newRoot.password ? await this.auth.hashPass(newRoot.password) : ''
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if (!rootPash) Logger.warn(`[Server] Creating root user with no password`)
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let rootToken = await this.auth.generateAccessToken({ userId: 'root' })
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await this.db.createRootUser(newRoot.username, rootPash, rootToken)
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res.sendStatus(200)
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}
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async filesChanged(fileUpdates) {
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Logger.info('[Server]', fileUpdates.length, 'Files Changed')
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await this.scanner.scanFilesChanged(fileUpdates)
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}
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cancelScan(id) {
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Logger.debug('[Server] Cancel scan', id)
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this.scanner.setCancelLibraryScan(id)
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}
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// Remove unused /metadata/items/{id} folders
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async purgeMetadata() {
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var itemsMetadata = Path.join(global.MetadataPath, 'items')
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if (!(await fs.pathExists(itemsMetadata))) return
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var foldersInItemsMetadata = await fs.readdir(itemsMetadata)
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var purged = 0
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await Promise.all(foldersInItemsMetadata.map(async foldername => {
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var hasMatchingItem = this.db.libraryItems.find(ab => ab.id === foldername)
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if (!hasMatchingItem) {
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var folderPath = Path.join(itemsMetadata, foldername)
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Logger.debug(`[Server] Purging unused metadata ${folderPath}`)
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await fs.remove(folderPath).then(() => {
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purged++
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}).catch((err) => {
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Logger.error(`[Server] Failed to delete folder path ${folderPath}`, err)
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})
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}
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}))
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if (purged > 0) {
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Logger.info(`[Server] Purged ${purged} unused library item metadata`)
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}
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return purged
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}
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// Remove user media progress entries that dont have a library item
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// TODO: Check podcast episode exists still
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async checkUserMediaProgress() {
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for (let i = 0; i < this.db.users.length; i++) {
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var _user = this.db.users[i]
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if (_user.mediaProgress) {
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var itemProgressIdsToRemove = _user.mediaProgress.map(lip => lip.id).filter(lipId => !this.db.libraryItems.find(_li => _li.id == lipId))
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if (itemProgressIdsToRemove.length) {
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Logger.debug(`[Server] Found ${itemProgressIdsToRemove.length} media progress data to remove from user ${_user.username}`)
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for (const lipId of itemProgressIdsToRemove) {
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_user.removeMediaProgress(lipId)
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}
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await this.db.updateEntity('user', _user)
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}
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}
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}
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}
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// First time login rate limit is hit
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loginLimitReached(req, res, options) {
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Logger.error(`[Server] Login rate limit (${options.max}) was hit for ip ${req.ip}`)
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options.message = 'Too many attempts. Login temporarily locked.'
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}
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getLoginRateLimiter() {
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return rateLimit({
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windowMs: this.db.serverSettings.rateLimitLoginWindow, // 5 minutes
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max: this.db.serverSettings.rateLimitLoginRequests,
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skipSuccessfulRequests: true,
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onLimitReached: this.loginLimitReached
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})
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}
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logout(req, res) {
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var { socketId } = req.body
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Logger.info(`[Server] User ${req.user ? req.user.username : 'Unknown'} is logging out with socket ${socketId}`)
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// Strip user and client from client and client socket
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if (socketId && this.clients[socketId]) {
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var client = this.clients[socketId]
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var clientSocket = client.socket
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Logger.debug(`[Server] Found user client ${clientSocket.id}, Has user: ${!!client.user}, Socket has client: ${!!clientSocket.sheepClient}`)
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if (client.user) {
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Logger.debug('[Server] User Offline ' + client.user.username)
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this.io.emit('user_offline', client.user.toJSONForPublic(null, this.db.libraryItems))
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}
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delete this.clients[socketId].user
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if (clientSocket && clientSocket.sheepClient) delete this.clients[socketId].socket.sheepClient
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} else if (socketId) {
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Logger.warn(`[Server] No client for socket ${socketId}`)
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}
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res.sendStatus(200)
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}
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async authenticateSocket(socket, token) {
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var user = await this.auth.authenticateUser(token)
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if (!user) {
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Logger.error('Cannot validate socket - invalid token')
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return socket.emit('invalid_token')
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}
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var client = this.clients[socket.id]
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if (client.user !== undefined) {
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Logger.debug(`[Server] Authenticating socket client already has user`, client.user.username)
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}
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client.user = user
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if (!client.user.toJSONForBrowser) {
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Logger.error('Invalid user...', client.user)
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return
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}
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// Check if user has session open
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var session = this.playbackSessionManager.getUserSession(user.id)
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if (session) {
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Logger.debug(`[Server] User Online "${client.user.username}" with session open "${session.id}"`)
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var sessionLibraryItem = this.db.libraryItems.find(li => li.id === session.libraryItemId)
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if (!sessionLibraryItem) {
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Logger.error(`[Server] Library Item for session "${session.id}" does not exist "${session.libraryItemId}"`)
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this.playbackSessionManager.removeSession(session.id)
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session = null
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} else if (session.mediaType === 'podcast' && !sessionLibraryItem.media.checkHasEpisode(session.episodeId)) {
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Logger.error(`[Server] Library Item for session "${session.id}" episode ${session.episodeId} does not exist "${session.libraryItemId}"`)
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this.playbackSessionManager.removeSession(session.id)
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session = null
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}
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if (session) {
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session = session.toJSONForClient(sessionLibraryItem)
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}
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} else {
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Logger.debug(`[Server] User Online ${client.user.username}`)
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}
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this.io.emit('user_online', client.user.toJSONForPublic(this.playbackSessionManager.sessions, this.db.libraryItems))
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user.lastSeen = Date.now()
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await this.db.updateEntity('user', user)
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const initialPayload = {
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// TODO: this is sent with user auth now, update mobile app to use that then remove this
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serverSettings: this.db.serverSettings.toJSON(),
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metadataPath: global.MetadataPath,
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configPath: global.ConfigPath,
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user: client.user.toJSONForBrowser(),
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session,
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|
librariesScanning: this.scanner.librariesScanning,
|
|
backups: (this.backupManager.backups || []).map(b => b.toJSON())
|
|
}
|
|
if (user.type === 'root') {
|
|
initialPayload.usersOnline = this.usersOnline
|
|
}
|
|
client.socket.emit('init', initialPayload)
|
|
|
|
// Setup log listener for root user
|
|
if (user.type === 'root') {
|
|
Logger.addSocketListener(socket, this.db.serverSettings.logLevel || 0)
|
|
}
|
|
}
|
|
|
|
async stop() {
|
|
await this.watcher.close()
|
|
Logger.info('Watcher Closed')
|
|
|
|
return new Promise((resolve) => {
|
|
this.server.close((err) => {
|
|
if (err) {
|
|
Logger.error('Failed to close server', err)
|
|
} else {
|
|
Logger.info('Server successfully closed')
|
|
}
|
|
resolve()
|
|
})
|
|
})
|
|
}
|
|
}
|
|
module.exports = Server
|