Stadia Avatars - Bot

https://github.com/VictorWesterlund/stadia-avatar

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Stadia Avatars - Bot
// @namespace    https://victorwesterlund.com/
// @version      1.0
// @description  https://github.com/VictorWesterlund/stadia-avatar
// @author       VictorWesterlund
// @match        https://stadia.google.com/*
// @grant        none
// @noframes
// ==/UserScript==

(function() {
	'use strict';

	/* The Stadia Service Worker "mgsw.js" acts like a proxy and rejects requests to the StadiaAvatar endpoint.
	   Enable the "Bypass for network" toggle in DevTools->Application->Service Workers to circumvent this issue. */

	const endpoint = "https://api.victorwesterlund.com/stadia-avatar/update";
	const sharedSecret = ""; // Key to update the database

	const className = {
		newMessage: "daVSod",
		messageContent: "dgrMg",
		messageWindow: "P9pxvf",
		backButton: "rkvT7c"
	}

	let interval = null;

	async function updateAvatar(userID,payload) {
		const response = await fetch(endpoint,{
			method: "POST",
			mode: "no-cors",
			headers: {
				"Content-Type": "text/plain"
			},
			body: `{"sharedSecret":"${sharedSecret}","userID":"${userID}","payload":"${payload}"}`
		});
		return response.text();
	}

	const backToMessageList = (mutations,observer) => {
		observer.disconnect();
		// Click the back button once the animation has ended
		setTimeout(() => document.getElementsByClassName(className.backButton)[0].click(),1000);
	}

	function pollNewMessages() {
		const messages = document.getElementsByClassName(className.newMessage);
		if(!messages) {
			return false;
		}

		for(const message of messages) {
			const userID = message.getAttribute("data-playerid");
			const userMessage = message.getElementsByClassName(className.messageContent)[0].innerText;

			message.click(); // Send the AckMessage request natively by simulating a click

			// Wait for the message window to open
			const messageWindow = document.getElementsByClassName(className.messageWindow)[0];

			const observer = new MutationObserver(backToMessageList);
			observer.observe(messageWindow,{
				attributes: true,
				subtree: true
			});

			updateAvatar(userID,userMessage)
			.catch(err => console.error("Failed to update avatar",err));
		}
	}

	window._StadiaAvatar = {
		// Start the StadiaAvatar bot with 'window._StadiaAvatar.start()'
		start: (delay = 500) => {
			interval = setInterval(() => pollNewMessages(),delay);
			console.log("StadiaAvatar bot started.");
		},
		stop: () => {
			interval = null;
			console.log("StadiaAvatar bot stopped.");
		}
	}
})();