Obliterate Sentry
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e4bf71784e
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3 changed files with 98 additions and 42 deletions
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@ -289,6 +289,8 @@ page.on("console", async e => {
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page.on("error", e => console.error("[Error]", e.message));
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page.on("pageerror", e => {
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if (e.message.includes("Sentry successfully disabled")) return;
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if (!e.message.startsWith("Object") && !e.message.includes("Cannot find module")) {
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console.error("[Page Error]", e.message);
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report.otherErrors.push(e.message);
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@ -18,6 +18,7 @@
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import { definePluginSettings } from "@api/Settings";
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import { Devs } from "@utils/constants";
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import { Logger } from "@utils/Logger";
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import definePlugin, { OptionType, StartAt } from "@utils/types";
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const settings = definePluginSettings({
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@ -71,9 +72,64 @@ export default definePlugin({
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startAt: StartAt.Init,
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start() {
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// Sentry is initialized in its own WebpackInstance.
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// It has everything it needs preloaded, so, it doesn't include any chunk loading functionality.
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// Because of that, its WebpackInstance doesnt export wreq.m or wreq.c
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// To circuvent this and disable Sentry we are gonna hook when wreq.g of its WebpackInstance is set.
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// When that happens we are gonna obtain a reference to its internal module cache (wreq.c) and proxy its prototype,
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// so, when the first require to initialize the Sentry is attempted, we are gonna forcefully throw an error and abort everything.
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Object.defineProperty(Function.prototype, "g", {
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configurable: true,
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set(v: any) {
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Object.defineProperty(this, "g", {
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value: v,
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configurable: true,
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enumerable: true,
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writable: true
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});
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// Ensure this is most likely the Sentry WebpackInstance.
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// Function.g is a very generic property and is not uncommon for another WebpackInstance (or even a React component: <g></g>) to include it
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const { stack } = new Error();
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if (!(stack?.includes("discord.com") || stack?.includes("discordapp.com")) || this.c != null || !String(this).includes("exports:{}")) {
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return;
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}
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const cacheExtractSym = Symbol("vencord.cacheExtract");
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Object.defineProperty(Object.prototype, cacheExtractSym, {
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configurable: true,
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get() {
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// One more condition to check if this is the Sentry WebpackInstance
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if (Array.isArray(this)) {
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return { exports: {} };
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}
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new Logger("NoTrack", "#8caaee").info("Disabling Sentry by proxying its WebpackInstance cache");
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Object.setPrototypeOf(this, new Proxy(this, {
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get() {
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throw new Error("Sentry successfully disabled");
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}
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}));
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Reflect.deleteProperty(Object.prototype, cacheExtractSym);
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Reflect.deleteProperty(window, "DiscordSentry");
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return { exports: {} };
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}
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});
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// WebpackRequire our fake module id
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this(cacheExtractSym);
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}
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});
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Object.defineProperty(window, "DiscordSentry", {
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configurable: true,
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set() {
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new Logger("NoTrack", "#8caaee").error("Failed to disable Sentry. Falling back to deleting window.DiscordSentry");
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Reflect.deleteProperty(window, "DiscordSentry");
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}
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});
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@ -56,20 +56,27 @@ Object.defineProperty(window, WEBPACK_CHUNK, {
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// normally, this is populated via webpackGlobal.push, which we patch below.
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// However, Discord has their .m prepopulated.
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// Thus, we use this hack to immediately access their wreq.m and patch all already existing factories
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//
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// Update: Discord now has TWO webpack instances. Their normal one and sentry
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// Sentry does not push chunks to the global at all, so this same patch now also handles their sentry modules
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Object.defineProperty(Function.prototype, "m", {
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configurable: true,
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set(v: any) {
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Object.defineProperty(this, "m", {
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value: v,
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configurable: true,
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enumerable: true,
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writable: true
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});
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// When using react devtools or other extensions, we may also catch their webpack here.
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// This ensures we actually got the right one
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const { stack } = new Error();
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if ((stack?.includes("discord.com") || stack?.includes("discordapp.com")) && !Array.isArray(v)) {
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const fileName = stack.match(/\/assets\/(.+?\.js)/)?.[1] ?? "";
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if (!(stack?.includes("discord.com") || stack?.includes("discordapp.com")) || Array.isArray(v)) {
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return;
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}
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const fileName = stack.match(/\/assets\/(.+?\.js)/)?.[1] ?? "";
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logger.info("Found Webpack module factory", fileName);
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patchFactories(v);
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// Define a setter for the bundlePath property of WebpackRequire. Only the main Webpack has this property.
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@ -86,7 +93,6 @@ Object.defineProperty(Function.prototype, "m", {
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});
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clearTimeout(setterTimeout);
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if (bundlePath !== "/assets/") return;
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logger.info(`Main Webpack found in ${fileName}, initializing internal references to WebpackRequire`);
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@ -101,14 +107,6 @@ Object.defineProperty(Function.prototype, "m", {
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// If this is the main Webpack, wreq.p will always be set before the timeout runs.
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const setterTimeout = setTimeout(() => Reflect.deleteProperty(this, "p"), 0);
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}
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Object.defineProperty(this, "m", {
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value: v,
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configurable: true,
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enumerable: true,
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writable: true
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});
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}
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});
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function patchPush(webpackGlobal: any) {
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