Ssh-kamaʻilio, ʻāpana 2

Aloha, Habr. ʻO kēia ka ʻatikala ʻelua ma ka moʻo ssh-chat.

He aha kā mākou e hana ai:

• E hoʻohui i ka hiki ke hana i kāu mau hana hoʻolālā ponoʻī
• E hoʻohui i ke kākoʻo markdown
• E hoʻohui kākou i ke kākoʻo bot
• Hoʻonui i ka palekana ʻōlelo huna (hash a me ka paʻakai)
  E kala mai, ʻaʻole e hoʻouna ʻia nā faila

Nā hiʻohiʻona hoʻolālā maʻamau

I kēia manawa, kākoʻo ʻia nā hana hoʻolālā penei:

• @color
• @bold
• @underline
• @hex
• @box
  Akā, pono e hoʻohui i ka hiki ke hana i kāu mau hana ponoʻī:
  Mālama ʻia nā hana a pau i loko объекте под названием methods
  No laila e lawa ia e hana i kahi hana registerMethod:

// parserExec.js at end
module.exports.registerMethod  =  function(name, func) {
  methods[name] =  func
}

Pono ʻoe e hoʻihoʻi i kēia ʻano hana ma hope o ka hana ʻana i ke kikowaena

// index.js at require part
const { registerMethod } = require('./parserExec')

// index.js at end
module.exports.registerMethod  =  registerMethod

I kēia manawa, i ka hana ʻana i kahi kikowaena, hiki iā mākou ke hoʻopaʻa inoa i nā ʻano formatting. Laʻana:

const  chat  =  require('.')
const { formatNick } =  require('./format')

chat({})

chat.registerMethod('hello', function(p, name){
  return  'Hi, '  +  formatNick(name) +  '!'
})

Kākoʻo Markdown

Maikaʻi loa ʻo Markdown, no laila e hoʻohui mākou me ka hoʻohana ʻana hōʻailona ʻia

// format.js near require
const marked = require('marked');
const TerminalRenderer = require('marked-terminal');

marked.setOptions({
  renderer: new TerminalRenderer()
});

// format.js line 23
message = marked(message)

ʻO Boti

Pehea e hana ai

let writeBotBob = chat.registerBot({
  name: 'botBob',

  onConnect(nick, write){
    write('@hello{' + nick + '}')
  },

  onDisconnect(nick, write){},

  onMessage(nick, message, write) {
    if(message == 'botBob!') write('I'm here')
  },

  onCommand(command, write) {
    write('Doing ' + command)
  }
})

onCommand hiki ke kapa ʻia me ka hoʻohana ʻana @bot(botBob){Command}

ʻO nā mea a pau no ka hana ʻana me nā bots i wehewehe ʻia ma ka faila:

let bots = []; // Все боты

let onWrite = () => {}; 

function getWrite(bot) { // Генерирует метод отправки сообщения для бота
  return msg => {
    onWrite(bot.name, msg);
  };
}

module.exports.message = function message(nick, message) { // index.js выполнит эту функцию после отправки сообщения
  bots.forEach(bot => {
    try {
      bot.onMessage(nick, message, getWrite(bot));
    } catch (e) {
      console.error(e);
    }
  });
};

module.exports.connect = function message(nick) { // При соединении
  bots.forEach(bot => {
    try {
      bot.onConnect(nick, getWrite(bot));
    } catch (e) {
      console.error(e);
    }
  });
};

module.exports.disConnect = function message(nick) { // При отсоединении
  bots.forEach(bot => {
    try {
      bot.onDisconnect(nick, message, getWrite(bot));
    } catch (e) {
      console.error(e);
    }
  });
};

module.exports.command = function message(name, message) { // При выполнении команды
  bots.forEach(bot => {
    if (bot.name == name) {
      try {
        bot.onCommand(message, getWrite(bot));
      } catch (e) {
        console.error(e);
      }
    }
  });
};

module.exports.registerBot = function(bot) {
  bots.push(bot);
  return  getWrite(bot)
};

module.exports.onMessage = func => {
  onWrite = func;
};

He aha kāu e hana ai me nā bots:

• Hoʻouka ka nānā
• Deploy
• Papa hana

Hash a me ka paʻakai

No ke aha ʻaʻole ssh kī? No ka mea e ʻokoʻa nā kī ssh ma nā ʻaoʻao like ʻole
E hana kākou i faila nāna e nānā a hana i nā ʻōlelo huna

// crypto.js
const crypto = require('crypto');

function genRandomString(length) {
  return crypto
    .randomBytes(Math.ceil(length / 2))
    .toString('hex')
    .slice(0, length);
}

function sha512(password, salt){
  const hash = crypto.createHmac('sha512', salt); /** Hashing algorithm sha512 */
  hash.update(password);
  const value = hash.digest('hex');
  return value
};

function checkPass(pass, obj){
  return obj.password == sha512(pass, obj.salt)
}

function encodePass(pass){
  const salt = genRandomString(16)
  return JSON.stringify({
    salt,
    password: sha512(pass, salt)
  })
}

module.exports.encodePass = encodePass
module.exports.checkPass = checkPass

He palapala no ka paʻakai a me ka hashing i ka ʻōlelo huna

// To generate password run node ./encryptPassword password
const { encodePass } =require('./crypto')
console.log(encodePass(process.argv[2]))

Hoʻonui mākou i nā users.json a ma kahi o ka hoʻohālikelike ʻana ma lobby.js hoʻohana mākou i ka checkPassword

ʻO ka hopena

ʻO ka hopena, loaʻa iā mākou kahi kamaʻilio ma ssh me nā mana hoʻolālā a me nā bots.
Waihona hope

Source: www.habr.com