-import express from 'express'
-import { createClient, RedisClient } from 'redis'
+import { createClient, RedisClientOptions, RedisModules } from 'redis'
+import { exists } from '@server/helpers/custom-validators/misc'
+import { sha256 } from '@shared/extra-utils'
import { logger } from '../helpers/logger'
import { generateRandomString } from '../helpers/utils'
+import { CONFIG } from '../initializers/config'
import {
+ AP_CLEANER,
CONTACT_FORM_LIFETIME,
+ RESUMABLE_UPLOAD_SESSION_LIFETIME,
+ TRACKER_RATE_LIMITS,
USER_EMAIL_VERIFY_LIFETIME,
- USER_PASSWORD_RESET_LIFETIME,
USER_PASSWORD_CREATE_LIFETIME,
+ USER_PASSWORD_RESET_LIFETIME,
VIEW_LIFETIME,
- WEBSERVER,
- TRACKER_RATE_LIMITS,
- RESUMABLE_UPLOAD_SESSION_LIFETIME
+ WEBSERVER
} from '../initializers/constants'
-import { CONFIG } from '../initializers/config'
-import { exists } from '@server/helpers/custom-validators/misc'
-
-type CachedRoute = {
- body: string
- contentType?: string
- statusCode?: string
-}
class Redis {
private static instance: Redis
private initialized = false
- private client: RedisClient
+ private connected = false
+ private client: ReturnType<typeof createClient>
private prefix: string
private constructor () {
this.initialized = true
this.client = createClient(Redis.getRedisClientOptions())
+ this.client.on('error', err => logger.error('Redis Client Error', { err }))
- this.client.on('error', err => {
- logger.error('Error in Redis client.', { err })
- process.exit(-1)
- })
+ logger.info('Connecting to redis...')
- if (CONFIG.REDIS.AUTH) {
- this.client.auth(CONFIG.REDIS.AUTH)
- }
+ this.client.connect()
+ .then(() => {
+ logger.info('Connected to redis.')
+
+ this.connected = true
+ }).catch(err => {
+ logger.error('Cannot connect to redis', { err })
+ process.exit(-1)
+ })
this.prefix = 'redis-' + WEBSERVER.HOST + '-'
}
static getRedisClientOptions () {
- return Object.assign({},
- (CONFIG.REDIS.AUTH && CONFIG.REDIS.AUTH != null) ? { password: CONFIG.REDIS.AUTH } : {},
- (CONFIG.REDIS.DB) ? { db: CONFIG.REDIS.DB } : {},
- (CONFIG.REDIS.HOSTNAME && CONFIG.REDIS.PORT)
- ? { host: CONFIG.REDIS.HOSTNAME, port: CONFIG.REDIS.PORT }
- : { path: CONFIG.REDIS.SOCKET }
- )
+ let config: RedisClientOptions<RedisModules, {}> = {
+ socket: {
+ connectTimeout: 20000 // Could be slow since node use sync call to compile PeerTube
+ }
+ }
+
+ if (CONFIG.REDIS.AUTH) {
+ config = { ...config, password: CONFIG.REDIS.AUTH }
+ }
+
+ if (CONFIG.REDIS.DB) {
+ config = { ...config, database: CONFIG.REDIS.DB }
+ }
+
+ if (CONFIG.REDIS.HOSTNAME && CONFIG.REDIS.PORT) {
+ config.socket = { ...config.socket, host: CONFIG.REDIS.HOSTNAME, port: CONFIG.REDIS.PORT }
+ } else {
+ config.socket = { ...config.socket, path: CONFIG.REDIS.SOCKET }
+ }
+
+ return config
}
getClient () {
return this.prefix
}
+ isConnected () {
+ return this.connected
+ }
+
/* ************ Forgot password ************ */
async setResetPasswordVerificationString (userId: number) {
return this.setValue(this.generateIPViewKey(ip, videoUUID), '1', VIEW_LIFETIME.VIEW)
}
- setIPVideoViewer (ip: string, videoUUID: string) {
- return this.setValue(this.generateIPViewerKey(ip, videoUUID), '1', VIEW_LIFETIME.VIEWER)
- }
-
async doesVideoIPViewExist (ip: string, videoUUID: string) {
return this.exists(this.generateIPViewKey(ip, videoUUID))
}
- async doesVideoIPViewerExist (ip: string, videoUUID: string) {
- return this.exists(this.generateIPViewerKey(ip, videoUUID))
- }
-
/* ************ Tracker IP block ************ */
setTrackerBlockIP (ip: string) {
return this.exists(this.generateTrackerBlockIPKey(ip))
}
- /* ************ API cache ************ */
-
- async getCachedRoute (req: express.Request) {
- const cached = await this.getObject(this.generateCachedRouteKey(req))
-
- return cached as CachedRoute
- }
-
- setCachedRoute (req: express.Request, body: any, lifetime: number, contentType?: string, statusCode?: number) {
- const cached: CachedRoute = Object.assign(
- {},
- { body: body.toString() },
- (contentType) ? { contentType } : null,
- (statusCode) ? { statusCode: statusCode.toString() } : null
- )
-
- return this.setObject(this.generateCachedRouteKey(req), cached, lifetime)
- }
-
/* ************ Video views stats ************ */
addVideoViewStats (videoId: number) {
])
}
+ /* ************ Video viewers stats ************ */
+
+ getLocalVideoViewer (options: {
+ key?: string
+ // Or
+ ip?: string
+ videoId?: number
+ }) {
+ if (options.key) return this.getObject(options.key)
+
+ const { viewerKey } = this.generateLocalVideoViewerKeys(options.ip, options.videoId)
+
+ return this.getObject(viewerKey)
+ }
+
+ setLocalVideoViewer (ip: string, videoId: number, object: any) {
+ const { setKey, viewerKey } = this.generateLocalVideoViewerKeys(ip, videoId)
+
+ return Promise.all([
+ this.addToSet(setKey, viewerKey),
+ this.setObject(viewerKey, object)
+ ])
+ }
+
+ listLocalVideoViewerKeys () {
+ const { setKey } = this.generateLocalVideoViewerKeys()
+
+ return this.getSet(setKey)
+ }
+
+ deleteLocalVideoViewersKeys (key: string) {
+ const { setKey } = this.generateLocalVideoViewerKeys()
+
+ return Promise.all([
+ this.deleteFromSet(setKey, key),
+ this.deleteKey(key)
+ ])
+ }
+
/* ************ Resumable uploads final responses ************ */
setUploadSession (uploadId: string, response?: { video: { id: number, shortUUID: string, uuid: string } }) {
: ''
}
- /* ************ Keys generation ************ */
+ deleteUploadSession (uploadId: string) {
+ return this.deleteKey('resumable-upload-' + uploadId)
+ }
- generateCachedRouteKey (req: express.Request) {
- return req.method + '-' + req.originalUrl
+ /* ************ AP resource unavailability ************ */
+
+ async addAPUnavailability (url: string) {
+ const key = this.generateAPUnavailabilityKey(url)
+
+ const value = await this.increment(key)
+ await this.setExpiration(key, AP_CLEANER.PERIOD * 2)
+
+ return value
}
- private generateLocalVideoViewsKeys (videoId?: Number) {
+ /* ************ Keys generation ************ */
+
+ private generateLocalVideoViewsKeys (videoId: number): { setKey: string, videoKey: string }
+ private generateLocalVideoViewsKeys (): { setKey: string }
+ private generateLocalVideoViewsKeys (videoId?: number) {
return { setKey: `local-video-views-buffer`, videoKey: `local-video-views-buffer-${videoId}` }
}
+ private generateLocalVideoViewerKeys (ip: string, videoId: number): { setKey: string, viewerKey: string }
+ private generateLocalVideoViewerKeys (): { setKey: string }
+ private generateLocalVideoViewerKeys (ip?: string, videoId?: number) {
+ return { setKey: `local-video-viewer-stats-keys`, viewerKey: `local-video-viewer-stats-${ip}-${videoId}` }
+ }
+
private generateVideoViewStatsKeys (options: { videoId?: number, hour?: number }) {
const hour = exists(options.hour)
? options.hour
return `views-${videoUUID}-${ip}`
}
- private generateIPViewerKey (ip: string, videoUUID: string) {
- return `viewer-${videoUUID}-${ip}`
- }
-
private generateTrackerBlockIPKey (ip: string) {
return `tracker-block-ip-${ip}`
}
return 'contact-form-' + ip
}
+ private generateAPUnavailabilityKey (url: string) {
+ return 'ap-unavailability-' + sha256(url)
+ }
+
/* ************ Redis helpers ************ */
private getValue (key: string) {
- return new Promise<string>((res, rej) => {
- this.client.get(this.prefix + key, (err, value) => {
- if (err) return rej(err)
-
- return res(value)
- })
- })
+ return this.client.get(this.prefix + key)
}
private getSet (key: string) {
- return new Promise<string[]>((res, rej) => {
- this.client.smembers(this.prefix + key, (err, value) => {
- if (err) return rej(err)
-
- return res(value)
- })
- })
+ return this.client.sMembers(this.prefix + key)
}
private addToSet (key: string, value: string) {
- return new Promise<void>((res, rej) => {
- this.client.sadd(this.prefix + key, value, err => err ? rej(err) : res())
- })
+ return this.client.sAdd(this.prefix + key, value)
}
private deleteFromSet (key: string, value: string) {
- return new Promise<void>((res, rej) => {
- this.client.srem(this.prefix + key, value, err => err ? rej(err) : res())
- })
+ return this.client.sRem(this.prefix + key, value)
}
private deleteKey (key: string) {
- return new Promise<void>((res, rej) => {
- this.client.del(this.prefix + key, err => err ? rej(err) : res())
- })
- }
-
- private deleteFieldInHash (key: string, field: string) {
- return new Promise<void>((res, rej) => {
- this.client.hdel(this.prefix + key, field, err => err ? rej(err) : res())
- })
+ return this.client.del(this.prefix + key)
}
- private setValue (key: string, value: string, expirationMilliseconds: number) {
- return new Promise<void>((res, rej) => {
- this.client.set(this.prefix + key, value, 'PX', expirationMilliseconds, (err, ok) => {
- if (err) return rej(err)
-
- if (ok !== 'OK') return rej(new Error('Redis set result is not OK.'))
+ private async getObject (key: string) {
+ const value = await this.getValue(key)
+ if (!value) return null
- return res()
- })
- })
+ return JSON.parse(value)
}
- private removeValue (key: string) {
- return new Promise<void>((res, rej) => {
- this.client.del(this.prefix + key, err => {
- if (err) return rej(err)
-
- return res()
- })
- })
+ private setObject (key: string, value: { [ id: string ]: number | string }) {
+ return this.setValue(key, JSON.stringify(value))
}
- private setObject (key: string, obj: { [id: string]: string }, expirationMilliseconds: number) {
- return new Promise<void>((res, rej) => {
- this.client.hmset(this.prefix + key, obj, (err, ok) => {
- if (err) return rej(err)
- if (!ok) return rej(new Error('Redis mset result is not OK.'))
+ private async setValue (key: string, value: string, expirationMilliseconds?: number) {
+ const options = expirationMilliseconds
+ ? { PX: expirationMilliseconds }
+ : {}
- this.client.pexpire(this.prefix + key, expirationMilliseconds, (err, ok) => {
- if (err) return rej(err)
- if (!ok) return rej(new Error('Redis expiration result is not OK.'))
+ const result = await this.client.set(this.prefix + key, value, options)
- return res()
- })
- })
- })
+ if (result !== 'OK') throw new Error('Redis set result is not OK.')
}
- private getObject (key: string) {
- return new Promise<{ [id: string]: string }>((res, rej) => {
- this.client.hgetall(this.prefix + key, (err, value) => {
- if (err) return rej(err)
-
- return res(value)
- })
- })
+ private removeValue (key: string) {
+ return this.client.del(this.prefix + key)
}
- private setValueInHash (key: string, field: string, value: string) {
- return new Promise<void>((res, rej) => {
- this.client.hset(this.prefix + key, field, value, (err) => {
- if (err) return rej(err)
-
- return res()
- })
- })
+ private increment (key: string) {
+ return this.client.incr(this.prefix + key)
}
- private increment (key: string) {
- return new Promise<number>((res, rej) => {
- this.client.incr(this.prefix + key, (err, value) => {
- if (err) return rej(err)
+ private async exists (key: string) {
+ const result = await this.client.exists(this.prefix + key)
- return res(value)
- })
- })
+ return result !== 0
}
- private exists (key: string) {
- return new Promise<boolean>((res, rej) => {
- this.client.exists(this.prefix + key, (err, existsNumber) => {
- if (err) return rej(err)
-
- return res(existsNumber === 1)
- })
- })
+ private setExpiration (key: string, ms: number) {
+ return this.client.expire(this.prefix + key, ms / 1000)
}
static get Instance () {