Telegram Bot Shell

bot.js

const shell = require('./modules/shell');

var shellRegex = new RegExp('^/shell(' + BOTNAME + ')?$', 'i');
bot.onText(shellRegex, (msg, match) => {
    var messageId = msg.message_id;
    var chatId = msg.chat.id;
    var fromId = msg.from.id;
    var opts = {
        reply_markup: JSON.stringify({force_reply: true, selective: true}),
        reply_to_message_id: messageId
    };
    if (fromId === ADMINID) {
        bot.sendMessage(chatId, 'Shell 명령을 입력하세요.', opts)
        .then((sended) => {
            var chatId = sended.chat.id;
            var messageId = sended.message_id;
            bot.onReplyToMessage(chatId, messageId, (message) => {
                shell(message.text, (error, data) => {
                    var output = error || data;
                    if (output) {
                        if (output.length <= 4096) {
                            bot.sendMessage(chatId, output, {reply_to_message_id: message.message_id});
                        } else {
                            bot.sendMessage(chatId, 'Error! 너무 깁니다!', {reply_to_message_id: message.message_id});
                        }
                    } else {
                        bot.sendMessage(chatId, '출력값이 없습니다!', {reply_to_message_id: message.message_id});
                    }
                });
            });
        });
    }
});
var shellArgRegex = new RegExp('^/shell(' + BOTNAME + ')? (.+)', 'i');
bot.onText(shellArgRegex, (msg, match) => {
    var messageId = msg.message_id;
    var chatId = msg.chat.id;
    var fromId = msg.from.id;
    if (fromId === ADMINID) {
        shell(match[2], (error, data) => {
            var output = error || data;
            if (output) {
                if (output.length <= 4096) {
                    bot.sendMessage(chatId, output, {reply_to_message_id: messageId});
                } else {
                    bot.sendMessage(chatId, 'Error! 너무 깁니다!', {reply_to_message_id: messageId});
                }
            } else {
                bot.sendMessage(chatId, '출력값이 없습니다!', {reply_to_message_id: messageId});
            }
        });
    }
});

shell.js

const exec = require('child_process').exec;

module.exports = function (query, callback) {
    exec(query, (error, stdout, stderr) => {
        if (error) {
            callback(error, null);
            return;
        }
        callback(null, stdout);
    });
};