/* * Vencord, a modification for Discord's desktop app * Copyright (c) 2022 Vendicated and contributors * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ import { definePluginSettings } from "@api/Settings"; import { Devs } from "@utils/constants"; import { Logger } from "@utils/Logger"; import definePlugin, { OptionType, StartAt } from "@utils/types"; const settings = definePluginSettings({ disableAnalytics: { type: OptionType.BOOLEAN, description: "Disable Discord's tracking (analytics/'science')", default: true, restartNeeded: true } }); export default definePlugin({ name: "NoTrack", description: "Disable Discord's tracking (analytics/'science'), metrics and Sentry crash reporting", authors: [Devs.Cyn, Devs.Ven, Devs.Nuckyz, Devs.Arrow], required: true, settings, patches: [ { find: "AnalyticsActionHandlers.handle", predicate: () => settings.store.disableAnalytics, replacement: { match: /^.+$/, replace: "()=>{}", }, }, { find: ".METRICS", replacement: [ { match: /this\._intervalId=/, replace: "this._intervalId=void 0&&" }, { match: /(?:increment|distribution)\(\i(?:,\i)?\){/g, replace: "$&return;" } ] } ], startAt: StartAt.Init, start() { // Sentry is initialized in its own WebpackInstance. // It has everything it needs preloaded, so, it doesn't include any chunk loading functionality. // Because of that, its WebpackInstance doesnt export wreq.m or wreq.c // To circuvent this and disable Sentry we are gonna hook when wreq.g of its WebpackInstance is set. // When that happens we are gonna forcefully throw an error and abort everything. Object.defineProperty(Function.prototype, "g", { configurable: true, set(v: any) { Object.defineProperty(this, "g", { value: v, configurable: true, enumerable: true, writable: true }); // Ensure this is most likely the Sentry WebpackInstance. // Function.g is a very generic property and is not uncommon for another WebpackInstance (or even a React component: ) to include it const { stack } = new Error(); if (!(stack?.includes("discord.com") || stack?.includes("discordapp.com")) || !String(this).includes("exports:{}") || this.c != null) { return; } const assetPath = stack?.match(/\/assets\/.+?\.js/)?.[0]; if (!assetPath) { return; } const srcRequest = new XMLHttpRequest(); srcRequest.open("GET", assetPath, false); srcRequest.send(); // Final condition to see if this is the Sentry WebpackInstance if (!srcRequest.responseText.includes("window.DiscordSentry=")) { return; } new Logger("NoTrack", "#8caaee").info("Disabling Sentry by erroring its WebpackInstance"); Reflect.deleteProperty(Function.prototype, "g"); Reflect.deleteProperty(window, "DiscordSentry"); throw new Error("Sentry successfully disabled"); } }); Object.defineProperty(window, "DiscordSentry", { configurable: true, set() { new Logger("NoTrack", "#8caaee").error("Failed to disable Sentry. Falling back to deleting window.DiscordSentry"); Reflect.deleteProperty(Function.prototype, "g"); Reflect.deleteProperty(window, "DiscordSentry"); } }); } });