Cheating at mojiparty.io

userscript.js

// ==UserScript==
// @name         New Userscript
// @namespace    http://tampermonkey.net/
// @version      2024-08-22
// @description  try to take over the world!
// @author       You
// @match        https://www.mojiparty.io/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=mojiparty.io
// @grant        none
// ==/UserScript==



let emojiSets
let textField
let button

window.guess = () => {
    textField = textField || document.querySelector('[data-testid="chat-message-input"]')
    button = button || document.querySelector('[data-testid="chat-send-button"]')
    const outputContainer = document.querySelector('.sc-bWOGAC.OkkiF .sc-hBxehG.gOmloc')

    const emojis = [...outputContainer.querySelectorAll('img')].map(el => el.getAttribute('alt')).join('')
    const currentSet = emojiSets.find(set => {
        return set.emojiSet === emojis
    })
    console.log(currentSet.answer)
    textField.value = currentSet.answer
}

window.init = () => {
    const container = document.querySelector('#root > *')
    container.style.transform = 'none'

    document.querySelector('[data-testid="pass-emojiset-button"]')?.remove()
    document.querySelector('.sc-kImNAt.Vulyj .sc-hOzowv.iZVgqn')?.remove()

    const buttonWrap = document.querySelector('.sc-kImNAt.Vulyj')
    if (!buttonWrap) return
    const button = document.createElement('button')
    button.innerText = '⚡Cheat'
    button.className = 'sc-kDvujY BMHwH'
    button.style.marginRight = '0.5rem'
    button.type = 'button'
    button.addEventListener('click', () => window.guess())
    buttonWrap.prepend(button)
}

try {
const parser = await import("https://esm.sh/[email protected]");
const decoder = new parser.Decoder()
decoder.on('decoded', (decodedPacket) => {
    const eventType = decodedPacket.data[0]
    if (eventType !== 'room-update' || !decodedPacket.data[1].game) return
    console.log('game', decodedPacket.data[1])
    emojiSets = [
        decodedPacket.data[1].game.currentEmojiSet,
        ...decodedPacket.data[1].game.emojiSets
    ]
})

// create XMLHttpRequest proxy object
const oldXMLHttpRequest = window.XMLHttpRequest;

// define constructor for my proxy object
window.XMLHttpRequest = function() {
    var actual = new oldXMLHttpRequest();
    var self = this;
    this.onreadystatechange = null;

    // this is the actual handler on the real XMLHttpRequest object
    actual.onreadystatechange = function() {
        if (this.readyState == 4) {
            for (const packet of actual.responseText.split('')) {
                decoder.add(packet)
            }
            self.responseText = actual.responseText;
        }
        if (self.onreadystatechange) {
            return self.onreadystatechange();
        }
    };

    ["status", "statusText", "responseType", "response",
     "readyState", "responseXML", "upload"].forEach(function(item) {
        Object.defineProperty(self, item, {
            get: function() {return actual[item];}
        });
    });
    ["ontimeout, timeout", "withCredentials", "onload", "onerror", "onprogress"].forEach(function(item) {
        Object.defineProperty(self, item, {
            get: function() {return actual[item];},
            set: function(val) {actual[item] = val;}
        });
    });
    ["addEventListener", "send", "open", "abort", "getAllResponseHeaders",
     "getResponseHeader", "overrideMimeType", "setRequestHeader"].forEach(function(item) {
        Object.defineProperty(self, item, {
            value: function() {return actual[item].apply(actual, arguments);}
        });
    });
}

} catch(e) { let error = e }