catalunya_placebot.user.js

// ==UserScript==
// @name         r/catalunya place bot
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       XXLuigiMario
// @match        https://www.reddit.com/r/place/*
// @require	     https://cdn.jsdelivr.net/npm/toastify-js
// @resource     TOASTIFY_CSS https://cdn.jsdelivr.net/npm/toastify-js/src/toastify.min.css
// @grant        GM_getResourceText
// @grant        GM_addStyle
// ==/UserScript==

console.log(window.location.href);
async function getAccessToken() {
    const usingOldReddit = window.location.href.includes("new.reddit.com");
    const url = usingOldReddit
    ? "https://new.reddit.com/r/place/"
    : "https://www.reddit.com/r/place/";
    const response = await fetch(url);
    const responseText = await response.text();

    // TODO: ew
    return responseText.split('"accessToken":"')[1].split('"')[0];
}

function place(x, y, color) {
    canvasIndex = Math.floor(x / 1000);
    x = x % 1000;
	return fetch("https://gql-realtime-2.reddit.com/query", {
		method: "POST",
		body: JSON.stringify({
			operationName: "setPixel",
			variables: {
				input: {
					actionName: "r/replace:set_pixel",
					PixelMessageData: {
						coordinate: {
							x: x,
							y: y,
						},
						colorIndex: color,
						canvasIndex: 0,
					},
				},
			},
			query:
				"mutation setPixel($input: ActInput!) {\n  act(input: $input) {\n    data {\n      ... on BasicMessage {\n        id\n        data {\n          ... on GetUserCooldownResponseMessageData {\n            nextAvailablePixelTimestamp\n            __typename\n          }\n          ... on SetPixelResponseMessageData {\n            timestamp\n            __typename\n          }\n          __typename\n        }\n        __typename\n      }\n      __typename\n    }\n    __typename\n  }\n}\n",
		}),
		headers: {
			origin: "https://hot-potato.reddit.com",
			referer: "https://hot-potato.reddit.com/",
			"apollographql-client-name": "mona-lisa",
			Authorization: `Bearer ${accessToken}`,
			"Content-Type": "application/json",
		},
	});
}

async function getNextPixel(channel) {
    const pixel = await fetch(`https://plum.duckdns.org/place/${channel}`, { method: "POST" });
    return await pixel.json();
}

function toast(text) {
    Toastify({
		text: text,
		duration: 10000,
	}).showToast();
}

let accessToken;
(async function () {
	GM_addStyle(GM_getResourceText("TOASTIFY_CSS"));
    let channel = window.location.hash.substring(1);
    if (!channel) {
        toast("No channel specified");
        return;
    }
    setTimeout(window.location.reload, 300 + Math.random()*5);
    toast("Getting access token...");
	accessToken = await getAccessToken();
    toast("Access token fetched!");
    let pixel = await getNextPixel("senyera");
    toast(`Placing! x=${pixel.x} y=${pixel.y} color=${pixel.color}`);
    let r = await place(pixel.x, pixel.y, pixel.color);
    let data = await r.json();
    if (data.errors && data.errors.length) {
        toast(`Unable to place: ${data.errors[0].message}`);
        return;
    }
    toast("Place successful!");
})();