A small bot to cheat in the balloon game from echometer

shootbot_for_echometer.js

/**
 * Shootbot for Echometer
 */
class SB {
  websocket = null;
  constructor() {
    const retroId = window.location.pathname.split("/").at(-1);
    this.xsrfToken = document.cookie.split(";").map(x => x.trim().split("=")).filter(x => x[0].toLowerCase() == "xsrf-token")[0][1];
    this.websocket = new WebSocket(`wss://my.echometerapp.com/api/retro/${retroId}/events?isMobile=false`);

    this.websocket.addEventListener("open", () => {
      console.log("websocket opened");
      this.auth();
    });
    // this.websocket.addEventListener("message", (event) => {
    //   // console.log("websocket message", event);
    // });
    this.websocket.addEventListener("error", (event) => {
      console.log("websocket error");
    });
    this.websocket.addEventListener("close", () => {
      console.log("websocket closed");
    });
  }

  /**
   * List of all running bots (window.bots)
   */
  get bots() {
    return window.bots || (window.bots = []);
  }

  bloop() {
    const botObj = JSON.stringify({"@type":"event","payload":{"type":"CheckoutBalloonShot"}});
    this.websocket.send(botObj);
  }

  startBot(ms = 10, packetSize = 10) {
    return setInterval(() => {
      for (let i = 0; i < packetSize; i++) {
        this.bloop();
      }
    }, ms);
  }

  auth() {
    const authObj = JSON.stringify({
      "xsrfToken": this.xsrfToken,
      "enabledFeatureFlags":["GoogleLogin","RetroTemplatesClickForDetailsHint","LanguageSwitcherTemplatePage","ShowOnboardingModal","SkipToRetroBoard","PLGQuestion","PLGCheckIn","ForceEventTracking"]
    })

    this.websocket.send(authObj);
  }

  /**
   * Send a packet of 10 CheckoutBalloonShot events every 1ms
   * @param {string} retroId current id of the retro (found in the url)
   * @param {string} xsrfToken current xsrfToken (found in the cookies or websocket)
   * @returns the id (interval id) of the current bot
   */
  start() {
    const id = this.startBot();
    this.bots.push(id);
    return id;
  }

  /**
   * Stop all running bots
   */
  stop() {
    this.bots.forEach(bot => clearInterval(bot));
  }
}

/*
TO START
*/
const x = new SB();
// x.start() // To start the bot
// x.stop() // To stop the bot