88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
const fs = require('fs')
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const axios = require('axios')
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const unified = require('unified')
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const markdown = require('remark-parse')
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const remark2rehype = require('remark-rehype')
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const format = require('rehype-format')
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const html = require('rehype-stringify')
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const mustache = require('mustache')
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const nodemailer = require('nodemailer')
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const testers = require('./testers')
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const backend = process.env.FS_BACKEND
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const asHtml = async (text) => {
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let content = await unified().use(markdown).use(remark2rehype).use(format).use(html).process(text)
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return content.contents
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}
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const getToken = async () => {
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let res = await axios.post(`${backend}login`, {
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username: process.env.FS_USER,
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password: process.env.FS_PASSWORD,
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})
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if (res.data) return res.data.token
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else if (res.err) return console.log(err)
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}
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const getSubscribers = async (test = true) => {
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if (test) return testers
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let token = await getToken()
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let res = await axios.get(`${backend}admin/subscribers`, {
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headers: { Authorization: 'Bearer ' + token },
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})
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if (res.data) return res.data
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else return false
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}
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const send = async (test = true) => {
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const template = fs.readFileSync(`${__dirname}/../templates/newsletter.html`, 'utf8')
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const text = fs.readFileSync(`${__dirname}/../newsletter/${process.env.NL_EDITION}/en.md`, 'utf8')
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const subscribers = await getSubscribers(test)
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const content = await asHtml(text)
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const inject = { content }
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const smtp = nodemailer.createTransport({
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host: process.env.SMTP_HOST,
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auth: {
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user: process.env.SMTP_USER,
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pass: process.env.SMTP_PASS,
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},
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})
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let i = 1
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let subs = subscribers.length
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for (let sub of subscribers) {
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// If your SMTP relay start rate-limiting midway through
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// you can use this if loop to start just after the last
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// successful delivery
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if (i > 0) {
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let unsub = `${backend}unsubscribe/${sub.ehash}`
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inject.unsubscribe = unsub
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let body = mustache.render(template, inject)
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console.log(`${i}/${subs} Sending to ${sub.email}`)
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await smtp.sendMail({
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from: '"FreeSewing" <info@freesewing.org>',
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to: sub.email,
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subject: 'FreeSewing newsletter: Spring 2021',
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headers: {
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Language: 'en',
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'List-Owner': 'joost@joost.at',
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'List-Subscribe': 'https://freesewing.org/community/newsletter/',
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'List-Unsubscribe': unsub,
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},
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text,
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html: body,
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})
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}
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i++
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}
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}
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const sendTest = () => send(true)
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const sendReal = () => send(false)
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module.exports = {
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sendTest,
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sendReal,
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}
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