// ==UserScript==// @name Hijack Worker// @version 0.2.0// @description Hijack web workers in the browser to stop coin miner// @homepageURL https://github.com/eight04/hijack-worker// @supportURL https://github.com/eight04/hijack-worker/issues// @license MIT// @author eight04 <eight04@gmail.com>// @include *// @namespace eight04.blogspot.com// @require https://greasyfork.org/scripts/7212-gm-config-eight-s-version/code/GM_config%20(eight's%20version).js?version=156587// @grant GM_getValue// @grant GM_setValue// @grant GM_registerMenuCommand// @grant unsafeWindow// @run-at document-start// ==/UserScript==/* global GM_config */let blacklist = [];let whitelist = [];GM_config.setup({whitelist: {label: "Allowed URLs (regexp per line)",type: "textarea",default: ""},blacklist: {label: "Restricted URLs (regexp per line)",type: "textarea",default: ""}}, () => {const config = GM_config.get();whitelist = getRxList(config.whitelist);blacklist = getRxList(config.blacklist);});function getRxList(text) {return text.trim().split(/\s*\n\s*/).filter(Boolean).map(p => new RegExp(p, "i"));}unsafeWindow.Worker = (Worker => {return class extends Worker {constructor(url, ...args) {if (!valid(url)) {throw new Error(`Worker is not allowed: ${url}`);}super(url, ...args);}};})(unsafeWindow.Worker);unsafeWindow.SharedWorker = (SharedWorker => {return class extends SharedWorker {constructor(url, ...args) {if (!valid(url)) {throw new Error(`SharedWorker is not allowed: ${url}`);}super(url, ...args);}};})(unsafeWindow.SharedWorker);const tempBlacklist = new Set;const tempWhitelist = new Set;function valid(url) {if (tempWhitelist.has(url)) {return true;}if (tempBlacklist.has(url)) {return false;}for (const rx of whitelist) {if (rx.test(url)) {tempWhitelist.add(url);return true;}}for (const rx of blacklist) {if (rx.test(url)) {tempBlacklist.add(url);return false;}}const message = `Do you want to allow web worker?- from: ${location.href}- target: ${url}`;console.log(message); // eslint-disable-line no-consoleif (confirm(message)) {tempWhitelist.add(url);return true;}tempBlacklist.add(url);return false;}