audiobookshelf/server/Server.js
2023-06-06 15:40:52 -05:00

394 lines
14 KiB
JavaScript

const Path = require('path')
const express = require('express')
const http = require('http')
const fs = require('./libs/fsExtra')
const fileUpload = require('./libs/expressFileupload')
const rateLimit = require('./libs/expressRateLimit')
const { version } = require('../package.json')
// Utils
const dbMigration = require('./utils/dbMigration')
const filePerms = require('./utils/filePerms')
const fileUtils = require('./utils/fileUtils')
const globals = require('./utils/globals')
const Logger = require('./Logger')
const Auth = require('./Auth')
const Watcher = require('./Watcher')
const Scanner = require('./scanner/Scanner')
const Db = require('./Db')
const SocketAuthority = require('./SocketAuthority')
const ApiRouter = require('./routers/ApiRouter')
const HlsRouter = require('./routers/HlsRouter')
const StaticRouter = require('./routers/StaticRouter')
const NotificationManager = require('./managers/NotificationManager')
const EmailManager = require('./managers/EmailManager')
const CoverManager = require('./managers/CoverManager')
const AbMergeManager = require('./managers/AbMergeManager')
const CacheManager = require('./managers/CacheManager')
const LogManager = require('./managers/LogManager')
const BackupManager = require('./managers/BackupManager')
const PlaybackSessionManager = require('./managers/PlaybackSessionManager')
const PodcastManager = require('./managers/PodcastManager')
const AudioMetadataMangaer = require('./managers/AudioMetadataManager')
const RssFeedManager = require('./managers/RssFeedManager')
const CronManager = require('./managers/CronManager')
const TaskManager = require('./managers/TaskManager')
class Server {
constructor(SOURCE, PORT, HOST, UID, GID, CONFIG_PATH, METADATA_PATH, ROUTER_BASE_PATH) {
this.Port = PORT
this.Host = HOST
global.Source = SOURCE
global.isWin = process.platform === 'win32'
global.Uid = isNaN(UID) ? undefined : Number(UID)
global.Gid = isNaN(GID) ? undefined : Number(GID)
global.ConfigPath = fileUtils.filePathToPOSIX(Path.normalize(CONFIG_PATH))
global.MetadataPath = fileUtils.filePathToPOSIX(Path.normalize(METADATA_PATH))
global.RouterBasePath = ROUTER_BASE_PATH
global.XAccel = process.env.USE_X_ACCEL
if (!fs.pathExistsSync(global.ConfigPath)) {
fs.mkdirSync(global.ConfigPath)
filePerms.setDefaultDirSync(global.ConfigPath, false)
}
if (!fs.pathExistsSync(global.MetadataPath)) {
fs.mkdirSync(global.MetadataPath)
filePerms.setDefaultDirSync(global.MetadataPath, false)
}
this.db = new Db()
this.watcher = new Watcher()
this.auth = new Auth(this.db)
// Managers
this.taskManager = new TaskManager()
this.notificationManager = new NotificationManager(this.db)
this.emailManager = new EmailManager(this.db)
this.backupManager = new BackupManager(this.db)
this.logManager = new LogManager(this.db)
this.cacheManager = new CacheManager()
this.abMergeManager = new AbMergeManager(this.db, this.taskManager)
this.playbackSessionManager = new PlaybackSessionManager(this.db)
this.coverManager = new CoverManager(this.db, this.cacheManager)
this.podcastManager = new PodcastManager(this.db, this.watcher, this.notificationManager, this.taskManager)
this.audioMetadataManager = new AudioMetadataMangaer(this.db, this.taskManager)
this.rssFeedManager = new RssFeedManager(this.db)
this.scanner = new Scanner(this.db, this.coverManager, this.taskManager)
this.cronManager = new CronManager(this.db, this.scanner, this.podcastManager)
// Routers
this.apiRouter = new ApiRouter(this)
this.hlsRouter = new HlsRouter(this.db, this.auth, this.playbackSessionManager)
this.staticRouter = new StaticRouter(this.db)
Logger.logManager = this.logManager
this.server = null
this.io = null
}
authMiddleware(req, res, next) {
this.auth.authMiddleware(req, res, next)
}
async init() {
Logger.info('[Server] Init v' + version)
await this.playbackSessionManager.removeOrphanStreams()
const previousVersion = await this.db.checkPreviousVersion() // Returns null if same server version
if (previousVersion) {
Logger.debug(`[Server] Upgraded from previous version ${previousVersion}`)
}
if (previousVersion && previousVersion.localeCompare('2.0.0') < 0) { // Old version data model migration
Logger.debug(`[Server] Previous version was < 2.0.0 - migration required`)
await dbMigration.migrate(this.db)
} else {
await this.db.init()
}
// Create token secret if does not exist (Added v2.1.0)
if (!this.db.serverSettings.tokenSecret) {
await this.auth.initTokenSecret()
}
await this.cleanUserData() // Remove invalid user item progress
await this.purgeMetadata() // Remove metadata folders without library item
await this.playbackSessionManager.removeInvalidSessions()
await this.cacheManager.ensureCachePaths()
await this.backupManager.init()
await this.logManager.init()
await this.apiRouter.checkRemoveEmptySeries(this.db.series) // Remove empty series
await this.rssFeedManager.init()
this.cronManager.init()
if (this.db.serverSettings.scannerDisableWatcher) {
Logger.info(`[Server] Watcher is disabled`)
this.watcher.disabled = true
} else {
this.watcher.initWatcher(this.db.libraries)
this.watcher.on('files', this.filesChanged.bind(this))
}
}
async start() {
Logger.info('=== Starting Server ===')
await this.init()
const app = express()
const router = express.Router()
app.use(global.RouterBasePath, router)
app.disable('x-powered-by')
this.server = http.createServer(app)
router.use(this.auth.cors)
router.use(fileUpload({
defCharset: 'utf8',
defParamCharset: 'utf8',
useTempFiles: true,
tempFileDir: Path.join(global.MetadataPath, 'tmp')
}))
router.use(express.urlencoded({ extended: true, limit: "5mb" }));
router.use(express.json({ limit: "5mb" }))
// Static path to generated nuxt
const distPath = Path.join(global.appRoot, '/client/dist')
router.use(express.static(distPath))
// Metadata folder static path
router.use('/metadata', this.authMiddleware.bind(this), express.static(global.MetadataPath))
// Static folder
router.use(express.static(Path.join(global.appRoot, 'static')))
router.use('/api', this.authMiddleware.bind(this), this.apiRouter.router)
router.use('/hls', this.authMiddleware.bind(this), this.hlsRouter.router)
// TODO: Deprecated as of 2.2.21 edge
router.use('/s', this.authMiddleware.bind(this), this.staticRouter.router)
// EBook static file routes
// TODO: Deprecated as of 2.2.21 edge
router.get('/ebook/:library/:folder/*', (req, res) => {
const library = this.db.libraries.find(lib => lib.id === req.params.library)
if (!library) return res.sendStatus(404)
const folder = library.folders.find(fol => fol.id === req.params.folder)
if (!folder) return res.status(404).send('Folder not found')
// Replace backslashes with forward slashes
const remainingPath = req.params['0'].replace(/\\/g, '/')
// Prevent path traversal
// e.g. ../../etc/passwd
if (/\/?\.?\.\//.test(remainingPath)) {
Logger.error(`[Server] Invalid path to get ebook "${remainingPath}"`)
return res.sendStatus(403)
}
// Check file ext is a valid ebook file
const filext = (Path.extname(remainingPath) || '').slice(1).toLowerCase()
if (!globals.SupportedEbookTypes.includes(filext)) {
Logger.error(`[Server] Invalid ebook file ext requested "${remainingPath}"`)
return res.sendStatus(403)
}
const fullPath = Path.join(folder.fullPath, remainingPath)
res.sendFile(fullPath)
})
// RSS Feed temp route
router.get('/feed/:id', (req, res) => {
Logger.info(`[Server] Requesting rss feed ${req.params.id}`)
this.rssFeedManager.getFeed(req, res)
})
router.get('/feed/:id/cover', (req, res) => {
this.rssFeedManager.getFeedCover(req, res)
})
router.get('/feed/:id/item/:episodeId/*', (req, res) => {
Logger.debug(`[Server] Requesting rss feed episode ${req.params.id}/${req.params.episodeId}`)
this.rssFeedManager.getFeedItem(req, res)
})
// Client dynamic routes
const dyanimicRoutes = [
'/item/:id',
'/author/:id',
'/audiobook/:id/chapters',
'/audiobook/:id/edit',
'/audiobook/:id/manage',
'/library/:library',
'/library/:library/search',
'/library/:library/bookshelf/:id?',
'/library/:library/authors',
'/library/:library/series/:id?',
'/library/:library/podcast/search',
'/library/:library/podcast/latest',
'/config/users/:id',
'/config/users/:id/sessions',
'/config/item-metadata-utils/:id',
'/collection/:id',
'/playlist/:id'
]
dyanimicRoutes.forEach((route) => router.get(route, (req, res) => res.sendFile(Path.join(distPath, 'index.html'))))
router.post('/login', this.getLoginRateLimiter(), (req, res) => this.auth.login(req, res))
router.post('/logout', this.authMiddleware.bind(this), this.logout.bind(this))
router.post('/init', (req, res) => {
if (this.db.hasRootUser) {
Logger.error(`[Server] attempt to init server when server already has a root user`)
return res.sendStatus(500)
}
this.initializeServer(req, res)
})
router.get('/status', (req, res) => {
// status check for client to see if server has been initialized
// server has been initialized if a root user exists
const payload = {
isInit: this.db.hasRootUser,
language: this.db.serverSettings.language
}
if (!payload.isInit) {
payload.ConfigPath = global.ConfigPath
payload.MetadataPath = global.MetadataPath
}
res.json(payload)
})
router.get('/ping', (req, res) => {
Logger.info('Received ping')
res.json({ success: true })
})
app.get('/healthcheck', (req, res) => res.sendStatus(200))
this.server.listen(this.Port, this.Host, () => {
if (this.Host) Logger.info(`Listening on http://${this.Host}:${this.Port}`)
else Logger.info(`Listening on port :${this.Port}`)
})
// Start listening for socket connections
SocketAuthority.initialize(this)
}
async initializeServer(req, res) {
Logger.info(`[Server] Initializing new server`)
const newRoot = req.body.newRoot
let rootPash = newRoot.password ? await this.auth.hashPass(newRoot.password) : ''
if (!rootPash) Logger.warn(`[Server] Creating root user with no password`)
let rootToken = await this.auth.generateAccessToken({ userId: 'root', username: newRoot.username })
await this.db.createRootUser(newRoot.username, rootPash, rootToken)
res.sendStatus(200)
}
async filesChanged(fileUpdates) {
Logger.info('[Server]', fileUpdates.length, 'Files Changed')
await this.scanner.scanFilesChanged(fileUpdates)
}
// Remove unused /metadata/items/{id} folders
async purgeMetadata() {
const itemsMetadata = Path.join(global.MetadataPath, 'items')
if (!(await fs.pathExists(itemsMetadata))) return
const foldersInItemsMetadata = await fs.readdir(itemsMetadata)
let purged = 0
await Promise.all(foldersInItemsMetadata.map(async foldername => {
const hasMatchingItem = this.db.libraryItems.find(ab => ab.id === foldername)
if (!hasMatchingItem) {
const folderPath = Path.join(itemsMetadata, foldername)
Logger.debug(`[Server] Purging unused metadata ${folderPath}`)
await fs.remove(folderPath).then(() => {
purged++
}).catch((err) => {
Logger.error(`[Server] Failed to delete folder path ${folderPath}`, err)
})
}
}))
if (purged > 0) {
Logger.info(`[Server] Purged ${purged} unused library item metadata`)
}
return purged
}
// Remove user media progress with items that no longer exist & remove seriesHideFrom that no longer exist
async cleanUserData() {
for (let i = 0; i < this.db.users.length; i++) {
const _user = this.db.users[i]
let hasUpdated = false
if (_user.mediaProgress.length) {
const lengthBefore = _user.mediaProgress.length
_user.mediaProgress = _user.mediaProgress.filter(mp => {
const libraryItem = this.db.libraryItems.find(li => li.id === mp.libraryItemId)
if (!libraryItem) return false
if (mp.episodeId && (libraryItem.mediaType !== 'podcast' || !libraryItem.media.checkHasEpisode(mp.episodeId))) return false // Episode not found
return true
})
if (lengthBefore > _user.mediaProgress.length) {
Logger.debug(`[Server] Removing ${_user.mediaProgress.length - lengthBefore} media progress data from user ${_user.username}`)
hasUpdated = true
}
}
if (_user.seriesHideFromContinueListening.length) {
_user.seriesHideFromContinueListening = _user.seriesHideFromContinueListening.filter(seriesId => {
if (!this.db.series.some(se => se.id === seriesId)) { // Series removed
hasUpdated = true
return false
}
return true
})
}
if (hasUpdated) {
await this.db.updateEntity('user', _user)
}
}
}
// First time login rate limit is hit
loginLimitReached(req, res, options) {
Logger.error(`[Server] Login rate limit (${options.max}) was hit for ip ${req.ip}`)
options.message = 'Too many attempts. Login temporarily locked.'
}
getLoginRateLimiter() {
return rateLimit({
windowMs: this.db.serverSettings.rateLimitLoginWindow, // 5 minutes
max: this.db.serverSettings.rateLimitLoginRequests,
skipSuccessfulRequests: true,
onLimitReached: this.loginLimitReached
})
}
logout(req, res) {
if (req.body.socketId) {
Logger.info(`[Server] User ${req.user ? req.user.username : 'Unknown'} is logging out with socket ${req.body.socketId}`)
SocketAuthority.logout(req.body.socketId)
}
res.sendStatus(200)
}
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