149 lines
3.5 KiB
JavaScript
149 lines
3.5 KiB
JavaScript
// @flow
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import * as React from 'react';
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import debug from 'debug';
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import bugsnag from 'bugsnag';
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import nodemailer from 'nodemailer';
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import Oy from 'oy-vey';
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import Queue from 'bull';
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import { baseStyles } from './emails/components/EmailLayout';
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import { WelcomeEmail, welcomeEmailText } from './emails/WelcomeEmail';
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import { ExportEmail, exportEmailText } from './emails/ExportEmail';
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const log = debug('emails');
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type Emails = 'welcome' | 'export';
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type SendMailType = {
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to: string,
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properties?: any,
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title: string,
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previewText?: string,
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text: string,
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html: React.Node,
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headCSS?: string,
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attachments?: Object[],
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};
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type EmailJob = {
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data: {
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type: Emails,
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opts: SendMailType,
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},
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};
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/**
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* Mailer
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*
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* Mailer class to contruct and send emails.
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*
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* To preview emails, add a new preview to `emails/index.js` if they
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* require additional data (properties). Otherwise preview will work automatically.
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*
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* HTML: http://localhost:3000/email/:email_type/html
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* TEXT: http://localhost:3000/email/:email_type/text
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*/
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export default class Mailer {
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transporter: ?any;
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/**
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*
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*/
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sendMail = async (data: SendMailType): ?Promise<*> => {
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const { transporter } = this;
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if (transporter) {
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const html = Oy.renderTemplate(data.html, {
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title: data.title,
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headCSS: [baseStyles, data.headCSS].join(' '),
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previewText: data.previewText,
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});
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try {
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log(`Sending email "${data.title}" to ${data.to}`);
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await transporter.sendMail({
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from: process.env.SMTP_FROM_EMAIL,
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replyTo: process.env.SMTP_REPLY_EMAIL || process.env.SMTP_FROM_EMAIL,
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to: data.to,
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subject: data.title,
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html: html,
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text: data.text,
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attachments: data.attachments,
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});
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} catch (err) {
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bugsnag.notify(err);
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throw err; // Re-throw for queue to re-try
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}
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}
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};
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welcome = async (opts: { to: string }) => {
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this.sendMail({
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to: opts.to,
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title: 'Welcome to Outline',
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previewText:
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'Outline is a place for your team to build and share knowledge.',
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html: <WelcomeEmail />,
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text: welcomeEmailText,
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});
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};
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export = async (opts: { to: string, attachments: Object[] }) => {
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this.sendMail({
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to: opts.to,
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attachments: opts.attachments,
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title: 'Your requested export',
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previewText: "Here's your request data export from Outline",
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html: <ExportEmail />,
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text: exportEmailText,
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});
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};
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constructor() {
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if (process.env.SMTP_HOST) {
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let smtpConfig = {
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host: process.env.SMTP_HOST,
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port: process.env.SMTP_PORT,
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secure: process.env.NODE_ENV === 'production',
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auth: undefined,
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};
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if (process.env.SMTP_USERNAME) {
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smtpConfig.auth = {
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user: process.env.SMTP_USERNAME,
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pass: process.env.SMTP_PASSWORD,
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};
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}
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this.transporter = nodemailer.createTransport(smtpConfig);
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}
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}
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}
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const mailer = new Mailer();
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export const mailerQueue = new Queue('email', process.env.REDIS_URL);
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mailerQueue.process(async (job: EmailJob) => {
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// $FlowIssue flow doesn't like dynamic values
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await mailer[job.data.type](job.data.opts);
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});
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export const sendEmail = (type: Emails, to: string, options?: Object = {}) => {
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mailerQueue.add(
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{
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type,
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opts: {
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to,
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...options,
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},
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},
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{
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attempts: 5,
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removeOnComplete: true,
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backoff: {
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type: 'exponential',
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delay: 60 * 1000,
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},
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}
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);
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};
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