125 lines
3.8 KiB
JavaScript
125 lines
3.8 KiB
JavaScript
'use strict';
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let log = require('npmlog');
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let nodemailer = require('nodemailer');
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let openpgpEncrypt = require('nodemailer-openpgp').openpgpEncrypt;
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let settings = require('./models/settings');
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let Handlebars = require('handlebars');
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let fs = require('fs');
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let path = require('path');
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let templates = new Map();
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let htmlToText = require('html-to-text');
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module.exports.transport = false;
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module.exports.update = () => {
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createMailer(() => false);
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};
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module.exports.getMailer = callback => {
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if (!module.exports.transport) {
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return createMailer(callback);
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}
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callback(null, module.exports.transport);
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};
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module.exports.sendMail = (mail, template, callback) => {
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if (!callback && typeof template === 'function') {
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callback = template;
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template = false;
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}
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if (!module.exports.transport) {
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return createMailer(err => {
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if (err) {
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return callback(err);
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}
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return module.exports.sendMail(mail, template, callback);
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});
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}
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getTemplate(template.html, (err, htmlRenderer) => {
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if (err) {
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return callback(err);
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}
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if (htmlRenderer) {
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mail.html = htmlRenderer(template.data || {});
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}
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getTemplate(template.text, (err, textRenderer) => {
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if (err) {
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return callback(err);
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}
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if (textRenderer) {
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mail.text = textRenderer(template.data || {});
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} else if (mail.html) {
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mail.text = htmlToText.fromString(mail.html, {
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wordwrap: 130
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});
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}
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module.exports.transport.sendMail(mail, callback);
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});
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});
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};
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function getTemplate(template, callback) {
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if (!template) {
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return callback(null, false);
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}
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if (templates.has(template)) {
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return callback(null, templates.get(template));
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}
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fs.readFile(path.join(__dirname, '..', 'views', template), 'utf-8', (err, source) => {
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if (err) {
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return callback(err);
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}
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let renderer = Handlebars.compile(source);
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templates.set(template, renderer);
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return callback(null, renderer);
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});
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}
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function createMailer(callback) {
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settings.list(['smtpHostname', 'smtpPort', 'smtpEncryption', 'smtpUser', 'smtpPass', 'smtpLog', 'smtpDisableAuth', 'smtpMaxConnections', 'smtpMaxMessages', 'smtpSelfSigned', 'pgpPrivateKey', 'pgpPassphrase'], (err, configItems) => {
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if (err) {
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return callback(err);
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}
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module.exports.transport = nodemailer.createTransport({
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pool: true,
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host: configItems.smtpHostname,
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port: Number(configItems.smtpPort) || false,
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secure: configItems.smtpEncryption === 'TLS',
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ignoreTLS: configItems.smtpEncryption === 'NONE',
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auth: configItems.smtpDisableAuth ? false : {
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user: configItems.smtpUser,
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pass: configItems.smtpPass
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},
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debug: !!configItems.smtpLog,
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logger: !configItems.smtpLog ? false : {
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debug: log.info.bind(log, 'Mail'),
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info: log.verbose.bind(log, 'Mail'),
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error: log.info.bind(log, 'Mail')
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},
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maxConnections: Number(configItems.smtpMaxConnections),
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maxMessages: Number(configItems.smtpMaxMessages),
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tls: {
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rejectUnauthorized: !configItems.smtpSelfSigned
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}
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});
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module.exports.transport.use('stream', openpgpEncrypt({
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signingKey: configItems.pgpPrivateKey,
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passphrase: configItems.pgpPassphrase
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}));
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return callback(null, module.exports.transport);
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});
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}
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module.exports.getTemplate = getTemplate;
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