1 files changed, 106 insertions, 0 deletions

diff --git a/server/lib/emailer.ts b/server/lib/emailer.ts
new file mode 100644
index 000000000..f5b68640e
--- /dev/null
+++ b/server/lib/emailer.ts
@@ -0,0 +1,106 @@
+import { createTransport, Transporter } from 'nodemailer'
+import { isTestInstance } from '../helpers/core-utils'
+import { logger } from '../helpers/logger'
+import { CONFIG } from '../initializers'
+import { JobQueue } from './job-queue'
+import { EmailPayload } from './job-queue/handlers/email'
+import { readFileSync } from 'fs'
+
+class Emailer {
+
+  private static instance: Emailer
+  private initialized = false
+  private transporter: Transporter
+
+  private constructor () {}
+
+  init () {
+    // Already initialized
+    if (this.initialized === true) return
+    this.initialized = true
+
+    if (CONFIG.SMTP.HOSTNAME && CONFIG.SMTP.PORT) {
+      logger.info('Using %s:%s as SMTP server.', CONFIG.SMTP.HOSTNAME, CONFIG.SMTP.PORT)
+
+      let tls
+      if (CONFIG.SMTP.CA_FILE) {
+        tls = {
+          ca: [ readFileSync(CONFIG.SMTP.CA_FILE) ]
+        }
+      }
+
+      this.transporter = createTransport({
+        host: CONFIG.SMTP.HOSTNAME,
+        port: CONFIG.SMTP.PORT,
+        secure: CONFIG.SMTP.TLS,
+        tls,
+        auth: {
+          user: CONFIG.SMTP.USERNAME,
+          pass: CONFIG.SMTP.PASSWORD
+        }
+      })
+    } else {
+      if (!isTestInstance()) {
+        logger.error('Cannot use SMTP server because of lack of configuration. PeerTube will not be able to send mails!')
+      }
+    }
+  }
+
+  async checkConnectionOrDie () {
+    if (!this.transporter) return
+
+    try {
+      const success = await this.transporter.verify()
+      if (success !== true) this.dieOnConnectionFailure()
+
+      logger.info('Successfully connected to SMTP server.')
+    } catch (err) {
+      this.dieOnConnectionFailure(err)
+    }
+  }
+
+  addForgetPasswordEmailJob (to: string, resetPasswordUrl: string) {
+    const text = `Hi dear user,\n\n` +
+      `It seems you forgot your password on ${CONFIG.WEBSERVER.HOST}! ` +
+      `Please follow this link to reset it: ${resetPasswordUrl}.\n\n` +
+      `If you are not the person who initiated this request, please ignore this email.\n\n` +
+      `Cheers,\n` +
+      `PeerTube.`
+
+    const emailPayload: EmailPayload = {
+      to: [ to ],
+      subject: 'Reset your PeerTube password',
+      text
+    }
+
+    return JobQueue.Instance.createJob({ type: 'email', payload: emailPayload })
+  }
+
+  sendMail (to: string[], subject: string, text: string) {
+    if (!this.transporter) {
+      throw new Error('Cannot send mail because SMTP is not configured.')
+    }
+
+    return this.transporter.sendMail({
+      from: CONFIG.SMTP.FROM_ADDRESS,
+      to: to.join(','),
+      subject,
+      text
+    })
+  }
+
+  private dieOnConnectionFailure (err?: Error) {
+    logger.error('Failed to connect to SMTP %s:%d.', CONFIG.SMTP.HOSTNAME, CONFIG.SMTP.PORT, err)
+    process.exit(-1)
+  }
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  Emailer
+}