116 lines
3.3 KiB
TypeScript
116 lines
3.3 KiB
TypeScript
import {moment} from "duniter/app/lib/common-libs/moment";
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import {Conf} from "./types/conf";
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import {ConfMail} from './types/conf'
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import * as nodemailer from 'nodemailer'
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import * as os from 'os'
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// TODO: in confMail
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const QUEUE_PERIOD = 5000
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const queue: EmailContent[] = []
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let conf: ConfMail|undefined
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export function initConfMail(confMail: ConfMail) {
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conf = confMail
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;(async () => {
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while (true) {
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await consumeQueue()
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await new Promise((res) => setTimeout(res, QUEUE_PERIOD))
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}
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})()
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}
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export async function queueEmail(subject: string, html: string, cc?: string) {
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queue.push({ subject, body: html, cc })
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}
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async function consumeQueue() {
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while (queue.length) {
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const mail = queue.shift()
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if (mail) {
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await sendEmail(mail.subject, mail.body, mail.cc)
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}
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}
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}
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async function sendEmail(subject: string, html: string, cc?: string) {
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if (!conf) {
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console.error(`Mail is not properly configured.`)
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return
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}
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console.log(`[mail] Subject: ${subject}`)
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console.log(`[mail] Body: ${html}`)
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if (!conf.enabled) {
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console.warn(`Mail is disabled.`)
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return
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}
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let transporter = nodemailer.createTransport({
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host: conf.host,
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port: conf.port,
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secure: false, // true for 465, false for other ports
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auth: {
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user: conf.username, // generated ethereal user
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pass: conf.apikey // generated ethereal password
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},
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authMethod: conf.auth,
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requireTLS: true,
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});
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// send mail with defined transport object
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let info = await transporter.sendMail({
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from: conf.from,
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to: conf.to,
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cc: (conf.cc ? [conf.cc] : []).concat(cc ? [cc] : []).join(','),
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subject,
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html
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})
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}
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export const mail = {
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onEstablished: (target: string, message = `Connection established for ${target}`, getHtml: () => string = () => `
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<p>
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Connection from [${os.hostname}] to ${target} established on ${moment().format('DD-MM-YYYY HH:mm:ss')}.
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</p>
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`) => {
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return async (cc?: string) => {
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await queueEmail(`[dw] [${os.hostname}] ${message}`, getHtml(), cc)
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}
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},
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onDisconnect: (target: string, message = `Connection closed for ${target}`, getErrorMessage: () => string = () => '', getHtml: (waitingDelay: number, recallDelay: number) => string = (waitingDelay: number, recallDelay: number) => `
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<p>
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Connection from [${os.hostname}] to ${target} was lost on ${moment().format('dd-MM-YYYY HH:mm:ss')}.
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</p>
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<p>
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Waiting ${(waitingDelay / 1000).toFixed(0)} seconds before trying to reconnect (${(recallDelay / 1000).toFixed(0)} seconds for recall).
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</p>
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${getErrorMessage()}
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`) => {
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return async (waitingDelay: number, recallDelay: number, cc?: string) => {
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console.log('Waiting %s seconds...', (waitingDelay / 1000).toFixed(0))
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await queueEmail(`[dw] [${os.hostname}] ${message}`, getHtml(waitingDelay, recallDelay), cc)
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}
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},
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onRestartSuccess: (target: string, message = `Connection recovered for ${target}`, getHtml: () => string = () => `
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<p>
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Connection from [${os.hostname}] to ${target} was recovered on ${moment().format('dd-MM-YYYY HH:mm:ss')}.
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</p>
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`) => {
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return async (cc?: string) => {
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console.log(`${message}`)
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await queueEmail(`[dw] [${os.hostname}] ${message}`, getHtml(), cc)
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}
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},
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}
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interface EmailContent {
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subject: string
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body: string
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cc?: string
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} |