mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			117 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			TypeScript
		
	
	
import { createClient, RedisClient } from 'redis'
 | 
						|
import { logger } from '../helpers/logger'
 | 
						|
import { generateRandomString } from '../helpers/utils'
 | 
						|
import { CONFIG, USER_PASSWORD_RESET_LIFETIME, VIDEO_VIEW_LIFETIME } from '../initializers'
 | 
						|
 | 
						|
class Redis {
 | 
						|
 | 
						|
  private static instance: Redis
 | 
						|
  private initialized = false
 | 
						|
  private client: RedisClient
 | 
						|
  private prefix: string
 | 
						|
 | 
						|
  private constructor () {}
 | 
						|
 | 
						|
  init () {
 | 
						|
    // Already initialized
 | 
						|
    if (this.initialized === true) return
 | 
						|
    this.initialized = true
 | 
						|
 | 
						|
    this.client = createClient({
 | 
						|
      host: CONFIG.REDIS.HOSTNAME,
 | 
						|
      port: CONFIG.REDIS.PORT
 | 
						|
    })
 | 
						|
 | 
						|
    this.client.on('error', err => {
 | 
						|
      logger.error('Error in Redis client.', { err })
 | 
						|
      process.exit(-1)
 | 
						|
    })
 | 
						|
 | 
						|
    if (CONFIG.REDIS.AUTH) {
 | 
						|
      this.client.auth(CONFIG.REDIS.AUTH)
 | 
						|
    }
 | 
						|
 | 
						|
    this.prefix = 'redis-' + CONFIG.WEBSERVER.HOST + '-'
 | 
						|
  }
 | 
						|
 | 
						|
  async setResetPasswordVerificationString (userId: number) {
 | 
						|
    const generatedString = await generateRandomString(32)
 | 
						|
 | 
						|
    await this.setValue(this.generateResetPasswordKey(userId), generatedString, USER_PASSWORD_RESET_LIFETIME)
 | 
						|
 | 
						|
    return generatedString
 | 
						|
  }
 | 
						|
 | 
						|
  async getResetPasswordLink (userId: number) {
 | 
						|
    return this.getValue(this.generateResetPasswordKey(userId))
 | 
						|
  }
 | 
						|
 | 
						|
  setView (ip: string, videoUUID: string) {
 | 
						|
    return this.setValue(this.buildViewKey(ip, videoUUID), '1', VIDEO_VIEW_LIFETIME)
 | 
						|
  }
 | 
						|
 | 
						|
  async isViewExists (ip: string, videoUUID: string) {
 | 
						|
    return this.exists(this.buildViewKey(ip, videoUUID))
 | 
						|
  }
 | 
						|
 | 
						|
  listJobs (jobsPrefix: string, state: string, mode: 'alpha', order: 'ASC' | 'DESC', offset: number, count: number) {
 | 
						|
    return new Promise<string[]>((res, rej) => {
 | 
						|
      this.client.sort(jobsPrefix + ':jobs:' + state, 'by', mode, order, 'LIMIT', offset.toString(), count.toString(), (err, values) => {
 | 
						|
        if (err) return rej(err)
 | 
						|
 | 
						|
        return res(values)
 | 
						|
      })
 | 
						|
    })
 | 
						|
  }
 | 
						|
 | 
						|
  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)
 | 
						|
      })
 | 
						|
    })
 | 
						|
  }
 | 
						|
 | 
						|
  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 result is not OK.'))
 | 
						|
 | 
						|
        return res()
 | 
						|
      })
 | 
						|
    })
 | 
						|
  }
 | 
						|
 | 
						|
  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 generateResetPasswordKey (userId: number) {
 | 
						|
    return 'reset-password-' + userId
 | 
						|
  }
 | 
						|
 | 
						|
  private buildViewKey (ip: string, videoUUID: string) {
 | 
						|
    return videoUUID + '-' + ip
 | 
						|
  }
 | 
						|
 | 
						|
  static get Instance () {
 | 
						|
    return this.instance || (this.instance = new this())
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
// ---------------------------------------------------------------------------
 | 
						|
 | 
						|
export {
 | 
						|
  Redis
 | 
						|
}
 |