mirror of https://github.com/Chocobozzz/PeerTube
117 lines
3.0 KiB
TypeScript
117 lines
3.0 KiB
TypeScript
import { createClient, RedisClient } from 'redis'
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import { logger } from '../helpers/logger'
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import { generateRandomString } from '../helpers/utils'
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import { CONFIG, USER_PASSWORD_RESET_LIFETIME, VIDEO_VIEW_LIFETIME } from '../initializers'
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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 client: RedisClient
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private prefix: string
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private constructor () {}
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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({
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host: CONFIG.REDIS.HOSTNAME,
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port: CONFIG.REDIS.PORT
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})
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this.client.on('error', err => {
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logger.error('Error in Redis client.', err)
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process.exit(-1)
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})
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if (CONFIG.REDIS.AUTH) {
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this.client.auth(CONFIG.REDIS.AUTH)
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}
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this.prefix = 'redis-' + CONFIG.WEBSERVER.HOST + '-'
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}
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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 getResetPasswordLink (userId: number) {
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return this.getValue(this.generateResetPasswordKey(userId))
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}
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setView (ip: string, videoUUID: string) {
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return this.setValue(this.buildViewKey(ip, videoUUID), '1', VIDEO_VIEW_LIFETIME)
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}
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async isViewExists (ip: string, videoUUID: string) {
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return this.exists(this.buildViewKey(ip, videoUUID))
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}
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listJobs (jobsPrefix: string, state: string, mode: 'alpha', order: 'ASC' | 'DESC', offset: number, count: number) {
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return new Promise<string[]>((res, rej) => {
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this.client.sort(jobsPrefix + ':jobs:' + state, 'by', mode, order, 'LIMIT', offset.toString(), count.toString(), (err, values) => {
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if (err) return rej(err)
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return res(values)
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})
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})
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}
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private getValue (key: string) {
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return new Promise<string>((res, rej) => {
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this.client.get(this.prefix + key, (err, value) => {
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if (err) return rej(err)
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return res(value)
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})
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})
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}
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private setValue (key: string, value: string, expirationMilliseconds: number) {
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return new Promise<void>((res, rej) => {
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this.client.set(this.prefix + key, value, 'PX', expirationMilliseconds, (err, ok) => {
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if (err) return rej(err)
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if (ok !== 'OK') return rej(new Error('Redis result is not OK.'))
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return res()
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})
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})
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}
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private exists (key: string) {
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return new Promise<boolean>((res, rej) => {
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this.client.exists(this.prefix + key, (err, existsNumber) => {
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if (err) return rej(err)
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return res(existsNumber === 1)
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})
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})
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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 buildViewKey (ip: string, videoUUID: string) {
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return videoUUID + '-' + ip
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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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