server/lib/emailer.ts

   1 import { createTransport, Transporter } from 'nodemailer'
   2 import { isTestInstance } from '../helpers/core-utils'
   3 import { logger } from '../helpers/logger'
   4 import { CONFIG } from '../initializers'
   5 import { JobQueue } from './job-queue'
   6 import { EmailPayload } from './job-queue/handlers/email'
   7 import { readFileSync } from 'fs'
   8
   9 class Emailer {
  10
  11   private static instance: Emailer
  12   private initialized = false
  13   private transporter: Transporter
  14
  15   private constructor () {}
  16
  17   init () {
  18     // Already initialized
  19     if (this.initialized === true) return
  20     this.initialized = true
  21
  22     if (CONFIG.SMTP.HOSTNAME && CONFIG.SMTP.PORT) {
  23       logger.info('Using %s:%s as SMTP server.', CONFIG.SMTP.HOSTNAME, CONFIG.SMTP.PORT)
  24
  25       let tls
  26       if (CONFIG.SMTP.CA_FILE) {
  27         tls = {
  28           ca: [ readFileSync(CONFIG.SMTP.CA_FILE) ]
  29         }
  30       }
  31
  32       let auth
  33       if (CONFIG.SMTP.USERNAME && CONFIG.SMTP.PASSWORD) {
  34         auth = {
  35           user: CONFIG.SMTP.USERNAME,
  36           pass: CONFIG.SMTP.PASSWORD
  37         }
  38       }
  39
  40       this.transporter = createTransport({
  41         host: CONFIG.SMTP.HOSTNAME,
  42         port: CONFIG.SMTP.PORT,
  43         secure: CONFIG.SMTP.TLS,
  44         ignoreTLS: isTestInstance(),
  45         tls,
  46         auth
  47       })
  48     } else {
  49       if (!isTestInstance()) {
  50         logger.error('Cannot use SMTP server because of lack of configuration. PeerTube will not be able to send mails!')
  51       }
  52     }
  53   }
  54
  55   async checkConnectionOrDie () {
  56     if (!this.transporter) return
  57
  58     try {
  59       const success = await this.transporter.verify()
  60       if (success !== true) this.dieOnConnectionFailure()
  61
  62       logger.info('Successfully connected to SMTP server.')
  63     } catch (err) {
  64       this.dieOnConnectionFailure(err)
  65     }
  66   }
  67
  68   addForgetPasswordEmailJob (to: string, resetPasswordUrl: string) {
  69     const text = `Hi dear user,\n\n` +
  70       `It seems you forgot your password on ${CONFIG.WEBSERVER.HOST}! ` +
  71       `Please follow this link to reset it: ${resetPasswordUrl}.\n\n` +
  72       `If you are not the person who initiated this request, please ignore this email.\n\n` +
  73       `Cheers,\n` +
  74       `PeerTube.`
  75
  76     const emailPayload: EmailPayload = {
  77       to: [ to ],
  78       subject: 'Reset your PeerTube password',
  79       text
  80     }
  81
  82     return JobQueue.Instance.createJob({ type: 'email', payload: emailPayload })
  83   }
  84
  85   sendMail (to: string[], subject: string, text: string) {
  86     if (!this.transporter) {
  87       throw new Error('Cannot send mail because SMTP is not configured.')
  88     }
  89
  90     return this.transporter.sendMail({
  91       from: CONFIG.SMTP.FROM_ADDRESS,
  92       to: to.join(','),
  93       subject,
  94       text
  95     })
  96   }
  97
  98   private dieOnConnectionFailure (err?: Error) {
  99     logger.error('Failed to connect to SMTP %s:%d.', CONFIG.SMTP.HOSTNAME, CONFIG.SMTP.PORT, err)
 100     process.exit(-1)
 101   }
 102
 103   static get Instance () {
 104     return this.instance || (this.instance = new this())
 105   }
 106 }
 107
 108 // ---------------------------------------------------------------------------
 109
 110 export {
 111   Emailer
 112 }