telme/flows/init.js
2020-03-19 14:51:24 -04:00

86 lines
No EOL
2.6 KiB
JavaScript

'use strict';
const TelegramBot = require('node-telegram-bot-api');
const HOME = require('os').homedir();
const CONFIG_FILE_NAME = '.telmeconfig';
const FILEPATH = `${HOME}/${CONFIG_FILE_NAME}`;
const APP_NAME = 'telme';
const fs = require('fs');
class Init {
static async init() {
console.log(
'Hi, In order for telme to work you will need to create a bot. If you don\'t know how, Please take a look at README.md');
const token = await prompt('Please provide your bot token: ');
const code = generateCode();
try {
const bot = new TelegramBot(token, {polling: true});
const userId = await listenToMessage(bot, code);
console.log('Cool, Got your userId. Saving config...');
const _default = {
TOKEN: token,
USER_ID: userId,
DONE_MESSAGE:
'*Task:*\n\n```sh\n%cmd%\n```\nHas finished.\n*Errors*:\n %errors%'
};
await bot.sendMessage(
userId, `*Thanks!*\nYou are all set.\ntelme usage:\n\`\`\`\n
$ ${APP_NAME} --m "message to send"
$ ${APP_NAME} <command> <args>
\n\`\`\`\nFor more info, visit: [telme repo](https://git.sagidayan.com/sagi/telme)\n\n_Enjoy!_`,
{parse_mode: 'Markdown'});
fs.writeFileSync(FILEPATH, JSON.stringify(_default, null, 2));
console.log(`created config file at ${FILEPATH}`);
return true;
} catch (e) {
throw e;
}
}
}
function listenToMessage(bot, code) {
console.log(`Thanks! Please send '/code ${code}' to your bot from telegram`);
return new Promise((resolve, reject) => {
const now = Date.now();
bot.on('message', msg => {
const msgDate = new Date(msg.date * 1000);
if (msgDate < now) return;
const userId = msg.chat.id;
if (msg.text.indexOf('/code') === 0) {
const receivedCode = msg.text.split('/code')[1].trim();
if (code === receivedCode)
resolve(userId);
else
reject(new Error('Code does not match!'));
}
});
bot.on('polling_error', () => {
console.log('polling error');
reject(new Error('Invalid token'));
})
});
}
function generateCode(codeLength = 6) {
const allowedChars = 'aAbBcCdDEeFf0123456789';
let code = '';
for (let i = 0; i < codeLength; i++) {
code +=
allowedChars.charAt(Math.floor(Math.random() * allowedChars.length));
}
return code;
}
function prompt(question) {
return new Promise(resolve => {
var stdin = process.stdin, stdout = process.stdout;
stdin.resume();
stdout.write(question);
stdin.once('data', function(data) {
resolve(data.toString().trim());
});
});
}
module.exports = Init