/
meshmessaging.js
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/
meshmessaging.js
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/**
* @description MeshCentral user messaging communication module
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2022
* @license Apache-2.0
* @version v0.0.1
*/
/*xjslint node: true */
/*xjslint plusplus: true */
/*xjslint maxlen: 256 */
/*jshint node: true */
/*jshint strict: false */
/*jshint esversion: 6 */
"use strict";
/*
// For Telegram, add this in config.json
"messaging": {
"telegram": {
"apiid": 00000000,
"apihash": "00000000000000000000000",
"session": "aaaaaaaaaaaaaaaaaaaaaaa"
}
}
*/
// Construct a messaging server object
module.exports.CreateServer = function (parent) {
var obj = {};
obj.parent = parent;
obj.providers = 0; // 1 = Telegram, 2 = Signal
obj.telegramClient = null;
// Messaging client setup
if (parent.config.messaging.telegram) {
// Validate Telegram configuration values
var telegramOK = true;
if (typeof parent.config.messaging.telegram.apiid != 'number') { console.log('Invalid or missing Telegram apiid.'); telegramOK = false; }
if (typeof parent.config.messaging.telegram.apihash != 'string') { console.log('Invalid or missing Telegram apihash.'); telegramOK = false; }
if (typeof parent.config.messaging.telegram.session != 'string') { console.log('Invalid or missing Telegram session.'); telegramOK = false; }
if (telegramOK) {
// Setup Telegram
async function setupTelegram() {
const { TelegramClient } = require('telegram');
const { StringSession } = require('telegram/sessions');
const input = require('input');
const stringSession = new StringSession(parent.config.messaging.telegram.session);
const client = new TelegramClient(stringSession, parent.config.messaging.telegram.apiid, parent.config.messaging.telegram.apihash, { connectionRetries: 5 });
client.setLogLevel('none');
await client.start({ onError: function (err) { console.log('Telegram error', err); } });
obj.telegramClient = client;
obj.providers += 1; // Enable Telegram messaging
console.log("MeshCentral Telegram client is connected.");
}
setupTelegram();
}
}
// Send an user message
obj.sendMessage = function(to, msg, func) {
// Telegram
if ((to.startsWith('telegram:')) && (obj.telegramClient != null)) {
async function sendTelegramMessage(to, msg, func) {
if (obj.telegramClient == null) return;
parent.debug('email', 'Sending Telegram message to: ' + to.substring(9) + ': ' + msg);
try { await obj.telegramClient.sendMessage(to.substring(9), { message: msg }); if (func != null) { func(true); } } catch (ex) { if (func != null) { func(false, ex); } }
}
sendTelegramMessage(to, msg, func);
} else {
// No providers found
func(false, "No messaging providers found for this message.");
}
}
// Get the correct SMS template
function getTemplate(templateNumber, domain, lang) {
parent.debug('email', 'Getting SMS template #' + templateNumber + ', lang: ' + lang);
if (Array.isArray(lang)) { lang = lang[0]; } // TODO: For now, we only use the first language given.
var r = {}, emailsPath = null;
if ((domain != null) && (domain.webemailspath != null)) { emailsPath = domain.webemailspath; }
else if (obj.parent.webEmailsOverridePath != null) { emailsPath = obj.parent.webEmailsOverridePath; }
else if (obj.parent.webEmailsPath != null) { emailsPath = obj.parent.webEmailsPath; }
if ((emailsPath == null) || (obj.parent.fs.existsSync(emailsPath) == false)) { return null }
// Get the non-english email if needed
var txtfile = null;
if ((lang != null) && (lang != 'en')) {
var translationsPath = obj.parent.path.join(emailsPath, 'translations');
var translationsPathTxt = obj.parent.path.join(emailsPath, 'translations', 'sms-messages_' + lang + '.txt');
if (obj.parent.fs.existsSync(translationsPath) && obj.parent.fs.existsSync(translationsPathTxt)) {
txtfile = obj.parent.fs.readFileSync(translationsPathTxt).toString();
}
}
// Get the english email
if (txtfile == null) {
var pathTxt = obj.parent.path.join(emailsPath, 'sms-messages.txt');
if (obj.parent.fs.existsSync(pathTxt)) {
txtfile = obj.parent.fs.readFileSync(pathTxt).toString();
}
}
// No email templates
if (txtfile == null) { return null; }
// Decode the TXT file
var lines = txtfile.split('\r\n').join('\n').split('\n')
if (lines.length <= templateNumber) return null;
return lines[templateNumber];
}
// Send messaging account verification
obj.sendMessagingCheck = function (domain, to, verificationCode, language, func) {
parent.debug('email', "Sending verification message to " + to);
var sms = getTemplate(0, domain, language);
if (sms == null) { parent.debug('email', "Error: Failed to get SMS template"); return; } // No SMS template found
// Setup the template
sms = sms.split('[[0]]').join(domain.title ? domain.title : 'MeshCentral');
sms = sms.split('[[1]]').join(verificationCode);
// Send the message
obj.sendMessage(to, sms, func);
};
// Send 2FA verification
obj.sendToken = function (domain, to, verificationCode, language, func) {
parent.debug('email', "Sending login token message to " + to);
var sms = getTemplate(1, domain, language);
if (sms == null) { parent.debug('email', "Error: Failed to get SMS template"); return; } // No SMS template found
// Setup the template
sms = sms.split('[[0]]').join(domain.title ? domain.title : 'MeshCentral');
sms = sms.split('[[1]]').join(verificationCode);
// Send the message
obj.sendMessage(to, sms, func);
};
return obj;
};
// Called to setup the Telegram session key
module.exports.SetupTelegram = async function (parent) {
// If basic telegram values are not setup, instruct the user on how to get them.
if ((typeof parent.config.messaging != 'object') || (typeof parent.config.messaging.telegram != 'object') || (typeof parent.config.messaging.telegram.apiid != 'number') || (typeof parent.config.messaging.telegram.apihash != 'string')) {
console.log('Login to your Telegram account at this URL: https://my.telegram.org/.');
console.log('Click "API development tools" and fill your application details (only app title and short name required).');
console.log('Click "Create application"');
console.log('Set this apiid and apihash values in the messaging section of the config.json like this:');
console.log('{');
console.log(' "messaging": {');
console.log(' "telegram": {');
console.log(' "apiid": 123456,');
console.log(' "apihash": "123456abcdfg"');
console.log(' }');
console.log(' }');
console.log('}');
console.log('Then, run --setuptelegram again to continue.');
process.exit();
return;
}
// If the session value is missing, perform the process to get it
if ((parent.config.messaging.telegram.session == null) || (parent.config.messaging.telegram.session == '') || (typeof parent.config.messaging.telegram.session != 'string')) {
const { TelegramClient } = require('telegram');
const { StringSession } = require('telegram/sessions');
const input = require('input');
const stringSession = new StringSession('');
const client = new TelegramClient(stringSession, parent.config.messaging.telegram.apiid, parent.config.messaging.telegram.apihash, { connectionRetries: 5, logLevel: 'none' });
client.setLogLevel('none');
await client.start({
phoneNumber: async function () { return await input.text("Please enter your number (+1-111-222-3333): "); },
password: async function () { return await input.text("Please enter your password: "); },
phoneCode: async function () { return await input.text("Please enter the code you received: "); },
onError: function (err) { console.log('Telegram error', err); }
});
console.log('Set this session value in the messaging section of the config.json like this:');
console.log('{');
console.log(' "messaging": {');
console.log(' "telegram": {');
console.log(' "apiid": ' + parent.config.messaging.telegram.apiid + ',');
console.log(' "apihash": "' + parent.config.messaging.telegram.apihash + '",');
console.log(' "session": "' + client.session.save() + '"');
console.log(' }');
console.log(' }');
console.log('}');
process.exit();
}
// All Telegram values seem ok
console.log('Telegram seems to be configured correctly in the config.json, no need to run --setuptelegram.');
process.exit();
};