Hello, Habr. Dan huwa t-tieni artiklu fis-serje ssh-chat.
X'se nagħmlu:
- Ejja nżidu l-abbiltà li toħloq il-funzjonijiet tad-disinn tiegħek stess
- Ejja nżidu l-appoġġ tal-markdown
- Ejja nżidu l-appoġġ tal-bot
- Żid is-sigurtà tal-password (hash u melħ)
Jiddispjacini, iżda mhux se jkun hemm mibgħuta ta 'fajls.
Karatteristiċi tad-disinn apposta
Bħalissa, il-funzjonijiet tad-disinn li ġejjin huma appoġġjati:
@color
@bold
@underline
@hex
@box
Iżda ta 'min iżżid il-ħila li toħloq il-funzjonijiet tiegħek stess:
Il-funzjonijiet kollha huma maħżunaобъекте под названием methods
Għalhekk ikun biżżejjed li tinħoloq funzjoniregisterMethod
:
// parserExec.js at end
module.exports.registerMethod = function(name, func) {
methods[name] = func
}
Għandek bżonn ukoll li tirritorna dan il-metodu wara li toħloq is-server
// index.js at require part
const { registerMethod } = require('./parserExec')
// index.js at end
module.exports.registerMethod = registerMethod
Issa, meta noħolqu server, nistgħu nirreġistraw metodi ta 'ifformattjar. Eżempju:
const chat = require('.')
const { formatNick } = require('./format')
chat({})
chat.registerMethod('hello', function(p, name){
return 'Hi, ' + formatNick(name) + '!'
})
Appoġġ ta 'markdown
Markdown huwa konvenjenti ħafna, allura ejja żidha bl-użu
// 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)
Bots
Kif se taħdem
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
jistgħu jissejħu bl-użu @bot(botBob){Command}
Kollox biex taħdem mal-bots huwa deskritt fil-fajl:
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;
};
X'tista' tagħmel bil-bots:
- Monitor tat-tagħbija
- tiskjera
- Bord tal-kompitu
Ħaxx u melħ
Għaliex ma ssh keys? Minħabba li ċ-ċwievet ssh se jkunu differenti fuq apparati differenti
Ejja noħolqu fajl li se jkun responsabbli għall-iċċekkjar u l-ħolqien tal-passwords
// 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
Wkoll skript għat-tmelliħ u l-hashing tal-password
// To generate password run node ./encryptPassword password
const { encodePass } =require('./crypto')
console.log(encodePass(process.argv[2]))
Aħna naġġornaw f' users.json u minflok inqabblu f'lobby.js nużaw checkPassword
Total
Bħala riżultat, għandna chat permezz ta 'ssh b'kapaċitajiet ta' disinn u bots.
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