mirror of https://github.com/Chocobozzz/PeerTube
435 lines
12 KiB
TypeScript
435 lines
12 KiB
TypeScript
import { createClient, RedisClientOptions, RedisModules } from 'redis'
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import { exists } from '@server/helpers/custom-validators/misc'
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import { sha256 } from '@shared/extra-utils'
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import { logger } from '../helpers/logger'
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import { generateRandomString } from '../helpers/utils'
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import { CONFIG } from '../initializers/config'
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import {
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AP_CLEANER,
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CONTACT_FORM_LIFETIME,
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RESUMABLE_UPLOAD_SESSION_LIFETIME,
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TRACKER_RATE_LIMITS,
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USER_EMAIL_VERIFY_LIFETIME,
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USER_PASSWORD_CREATE_LIFETIME,
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USER_PASSWORD_RESET_LIFETIME,
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VIEW_LIFETIME,
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WEBSERVER
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} from '../initializers/constants'
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class Redis {
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private static instance: Redis
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private initialized = false
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private connected = false
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private client: ReturnType<typeof createClient>
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private prefix: string
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private constructor () {
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}
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init () {
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// Already initialized
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if (this.initialized === true) return
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this.initialized = true
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this.client = createClient(Redis.getRedisClientOptions())
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logger.info('Connecting to redis...')
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this.client.connect()
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.then(() => {
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logger.info('Connected to redis.')
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this.connected = true
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}).catch(err => {
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logger.error('Cannot connect to redis', { err })
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process.exit(-1)
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})
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this.prefix = 'redis-' + WEBSERVER.HOST + '-'
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}
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static getRedisClientOptions () {
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let config: RedisClientOptions<RedisModules, {}> = {
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socket: {
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connectTimeout: 20000 // Could be slow since node use sync call to compile PeerTube
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}
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}
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if (CONFIG.REDIS.AUTH) {
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config = { ...config, password: CONFIG.REDIS.AUTH }
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}
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if (CONFIG.REDIS.DB) {
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config = { ...config, database: CONFIG.REDIS.DB }
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}
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if (CONFIG.REDIS.HOSTNAME && CONFIG.REDIS.PORT) {
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config.socket = { ...config.socket, host: CONFIG.REDIS.HOSTNAME, port: CONFIG.REDIS.PORT }
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} else {
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config.socket = { ...config.socket, path: CONFIG.REDIS.SOCKET }
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}
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return config
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}
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getClient () {
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return this.client
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}
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getPrefix () {
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return this.prefix
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}
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isConnected () {
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return this.connected
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}
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/* ************ Forgot password ************ */
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async setResetPasswordVerificationString (userId: number) {
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const generatedString = await generateRandomString(32)
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await this.setValue(this.generateResetPasswordKey(userId), generatedString, USER_PASSWORD_RESET_LIFETIME)
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return generatedString
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}
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async setCreatePasswordVerificationString (userId: number) {
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const generatedString = await generateRandomString(32)
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await this.setValue(this.generateResetPasswordKey(userId), generatedString, USER_PASSWORD_CREATE_LIFETIME)
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return generatedString
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}
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async removePasswordVerificationString (userId: number) {
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return this.removeValue(this.generateResetPasswordKey(userId))
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}
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async getResetPasswordLink (userId: number) {
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return this.getValue(this.generateResetPasswordKey(userId))
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}
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/* ************ Email verification ************ */
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async setVerifyEmailVerificationString (userId: number) {
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const generatedString = await generateRandomString(32)
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await this.setValue(this.generateVerifyEmailKey(userId), generatedString, USER_EMAIL_VERIFY_LIFETIME)
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return generatedString
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}
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async getVerifyEmailLink (userId: number) {
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return this.getValue(this.generateVerifyEmailKey(userId))
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}
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/* ************ Contact form per IP ************ */
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async setContactFormIp (ip: string) {
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return this.setValue(this.generateContactFormKey(ip), '1', CONTACT_FORM_LIFETIME)
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}
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async doesContactFormIpExist (ip: string) {
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return this.exists(this.generateContactFormKey(ip))
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}
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/* ************ Views per IP ************ */
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setIPVideoView (ip: string, videoUUID: string) {
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return this.setValue(this.generateIPViewKey(ip, videoUUID), '1', VIEW_LIFETIME.VIEW)
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}
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async doesVideoIPViewExist (ip: string, videoUUID: string) {
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return this.exists(this.generateIPViewKey(ip, videoUUID))
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}
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/* ************ Tracker IP block ************ */
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setTrackerBlockIP (ip: string) {
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return this.setValue(this.generateTrackerBlockIPKey(ip), '1', TRACKER_RATE_LIMITS.BLOCK_IP_LIFETIME)
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}
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async doesTrackerBlockIPExist (ip: string) {
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return this.exists(this.generateTrackerBlockIPKey(ip))
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}
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/* ************ Video views stats ************ */
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addVideoViewStats (videoId: number) {
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const { videoKey, setKey } = this.generateVideoViewStatsKeys({ videoId })
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return Promise.all([
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this.addToSet(setKey, videoId.toString()),
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this.increment(videoKey)
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])
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}
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async getVideoViewsStats (videoId: number, hour: number) {
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const { videoKey } = this.generateVideoViewStatsKeys({ videoId, hour })
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const valueString = await this.getValue(videoKey)
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const valueInt = parseInt(valueString, 10)
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if (isNaN(valueInt)) {
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logger.error('Cannot get videos views stats of video %d in hour %d: views number is NaN (%s).', videoId, hour, valueString)
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return undefined
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}
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return valueInt
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}
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async listVideosViewedForStats (hour: number) {
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const { setKey } = this.generateVideoViewStatsKeys({ hour })
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const stringIds = await this.getSet(setKey)
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return stringIds.map(s => parseInt(s, 10))
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}
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deleteVideoViewsStats (videoId: number, hour: number) {
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const { setKey, videoKey } = this.generateVideoViewStatsKeys({ videoId, hour })
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return Promise.all([
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this.deleteFromSet(setKey, videoId.toString()),
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this.deleteKey(videoKey)
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])
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}
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/* ************ Local video views buffer ************ */
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addLocalVideoView (videoId: number) {
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const { videoKey, setKey } = this.generateLocalVideoViewsKeys(videoId)
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return Promise.all([
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this.addToSet(setKey, videoId.toString()),
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this.increment(videoKey)
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])
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}
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async getLocalVideoViews (videoId: number) {
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const { videoKey } = this.generateLocalVideoViewsKeys(videoId)
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const valueString = await this.getValue(videoKey)
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const valueInt = parseInt(valueString, 10)
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if (isNaN(valueInt)) {
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logger.error('Cannot get videos views of video %d: views number is NaN (%s).', videoId, valueString)
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return undefined
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}
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return valueInt
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}
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async listLocalVideosViewed () {
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const { setKey } = this.generateLocalVideoViewsKeys()
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const stringIds = await this.getSet(setKey)
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return stringIds.map(s => parseInt(s, 10))
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}
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deleteLocalVideoViews (videoId: number) {
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const { setKey, videoKey } = this.generateLocalVideoViewsKeys(videoId)
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return Promise.all([
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this.deleteFromSet(setKey, videoId.toString()),
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this.deleteKey(videoKey)
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])
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}
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/* ************ Video viewers stats ************ */
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getLocalVideoViewer (options: {
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key?: string
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// Or
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ip?: string
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videoId?: number
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}) {
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if (options.key) return this.getObject(options.key)
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const { viewerKey } = this.generateLocalVideoViewerKeys(options.ip, options.videoId)
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return this.getObject(viewerKey)
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}
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setLocalVideoViewer (ip: string, videoId: number, object: any) {
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const { setKey, viewerKey } = this.generateLocalVideoViewerKeys(ip, videoId)
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return Promise.all([
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this.addToSet(setKey, viewerKey),
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this.setObject(viewerKey, object)
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])
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}
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listLocalVideoViewerKeys () {
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const { setKey } = this.generateLocalVideoViewerKeys()
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return this.getSet(setKey)
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}
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deleteLocalVideoViewersKeys (key: string) {
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const { setKey } = this.generateLocalVideoViewerKeys()
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return Promise.all([
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this.deleteFromSet(setKey, key),
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this.deleteKey(key)
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])
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}
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/* ************ Resumable uploads final responses ************ */
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setUploadSession (uploadId: string, response?: { video: { id: number, shortUUID: string, uuid: string } }) {
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return this.setValue(
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'resumable-upload-' + uploadId,
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response
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? JSON.stringify(response)
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: '',
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RESUMABLE_UPLOAD_SESSION_LIFETIME
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)
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}
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doesUploadSessionExist (uploadId: string) {
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return this.exists('resumable-upload-' + uploadId)
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}
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async getUploadSession (uploadId: string) {
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const value = await this.getValue('resumable-upload-' + uploadId)
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return value
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? JSON.parse(value)
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: ''
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}
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deleteUploadSession (uploadId: string) {
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return this.deleteKey('resumable-upload-' + uploadId)
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}
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/* ************ AP resource unavailability ************ */
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async addAPUnavailability (url: string) {
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const key = this.generateAPUnavailabilityKey(url)
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const value = await this.increment(key)
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await this.setExpiration(key, AP_CLEANER.PERIOD * 2)
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return value
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}
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/* ************ Keys generation ************ */
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private generateLocalVideoViewsKeys (videoId: number): { setKey: string, videoKey: string }
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private generateLocalVideoViewsKeys (): { setKey: string }
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private generateLocalVideoViewsKeys (videoId?: number) {
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return { setKey: `local-video-views-buffer`, videoKey: `local-video-views-buffer-${videoId}` }
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}
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private generateLocalVideoViewerKeys (ip: string, videoId: number): { setKey: string, viewerKey: string }
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private generateLocalVideoViewerKeys (): { setKey: string }
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private generateLocalVideoViewerKeys (ip?: string, videoId?: number) {
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return { setKey: `local-video-viewer-stats-keys`, viewerKey: `local-video-viewer-stats-${ip}-${videoId}` }
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}
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private generateVideoViewStatsKeys (options: { videoId?: number, hour?: number }) {
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const hour = exists(options.hour)
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? options.hour
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: new Date().getHours()
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return { setKey: `videos-view-h${hour}`, videoKey: `video-view-${options.videoId}-h${hour}` }
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}
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private generateResetPasswordKey (userId: number) {
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return 'reset-password-' + userId
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}
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private generateVerifyEmailKey (userId: number) {
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return 'verify-email-' + userId
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}
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private generateIPViewKey (ip: string, videoUUID: string) {
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return `views-${videoUUID}-${ip}`
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}
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private generateTrackerBlockIPKey (ip: string) {
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return `tracker-block-ip-${ip}`
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}
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private generateContactFormKey (ip: string) {
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return 'contact-form-' + ip
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}
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private generateAPUnavailabilityKey (url: string) {
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return 'ap-unavailability-' + sha256(url)
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}
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/* ************ Redis helpers ************ */
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private getValue (key: string) {
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return this.client.get(this.prefix + key)
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}
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private getSet (key: string) {
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return this.client.sMembers(this.prefix + key)
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}
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private addToSet (key: string, value: string) {
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return this.client.sAdd(this.prefix + key, value)
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}
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private deleteFromSet (key: string, value: string) {
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return this.client.sRem(this.prefix + key, value)
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}
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private deleteKey (key: string) {
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return this.client.del(this.prefix + key)
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}
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private async getObject (key: string) {
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const value = await this.getValue(key)
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if (!value) return null
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return JSON.parse(value)
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}
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private setObject (key: string, value: { [ id: string ]: number | string }) {
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return this.setValue(key, JSON.stringify(value))
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}
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private async setValue (key: string, value: string, expirationMilliseconds?: number) {
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const options = expirationMilliseconds
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? { PX: expirationMilliseconds }
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: {}
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const result = await this.client.set(this.prefix + key, value, options)
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if (result !== 'OK') throw new Error('Redis set result is not OK.')
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}
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private removeValue (key: string) {
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return this.client.del(this.prefix + key)
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}
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private increment (key: string) {
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return this.client.incr(this.prefix + key)
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}
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private async exists (key: string) {
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const result = await this.client.exists(this.prefix + key)
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return result !== 0
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}
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private setExpiration (key: string, ms: number) {
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return this.client.expire(this.prefix + key, ms / 1000)
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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Redis
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}
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