Nuckyz
5 months ago
parent
7ccd073506
commit
d07e4c71b5
@ -0,0 +1,224 @@
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/*
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* Vencord, a Discord client mod
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* Copyright (c) 2024 Vendicated and contributors
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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import { Logger } from "@utils/Logger";
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import { canonicalizeMatch } from "@utils/patches";
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import * as Webpack from "@webpack";
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import { wreq } from "@webpack";
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import { patches } from "plugins";
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const ReporterLogger = new Logger("Reporter");
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async function runReporter() {
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ReporterLogger.log("Starting test...");
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try {
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const validChunks = new Set<string>();
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const invalidChunks = new Set<string>();
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const deferredRequires = new Set<string>();
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let chunksSearchingResolve: (value: void | PromiseLike<void>) => void;
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const chunksSearchingDone = new Promise<void>(r => chunksSearchingResolve = r);
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// True if resolved, false otherwise
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const chunksSearchPromises = [] as Array<() => boolean>;
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const LazyChunkRegex = canonicalizeMatch(/(?:(?:Promise\.all\(\[)?(\i\.e\("[^)]+?"\)[^\]]*?)(?:\]\))?)\.then\(\i\.bind\(\i,"([^)]+?)"\)\)/g);
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async function searchAndLoadLazyChunks(factoryCode: string) {
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const lazyChunks = factoryCode.matchAll(LazyChunkRegex);
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const validChunkGroups = new Set<[chunkIds: string[], entryPoint: string]>();
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// Workaround for a chunk that depends on the ChannelMessage component but may be be force loaded before
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// the chunk containing the component
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const shouldForceDefer = factoryCode.includes(".Messages.GUILD_FEED_UNFEATURE_BUTTON_TEXT");
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await Promise.all(Array.from(lazyChunks).map(async ([, rawChunkIds, entryPoint]) => {
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const chunkIds = rawChunkIds ? Array.from(rawChunkIds.matchAll(Webpack.ChunkIdsRegex)).map(m => m[1]) : [];
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if (chunkIds.length === 0) {
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return;
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}
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let invalidChunkGroup = false;
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for (const id of chunkIds) {
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if (wreq.u(id) == null || wreq.u(id) === "undefined.js") continue;
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const isWasm = await fetch(wreq.p + wreq.u(id))
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.then(r => r.text())
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.then(t => (IS_WEB && t.includes(".module.wasm")) || !t.includes("(this.webpackChunkdiscord_app=this.webpackChunkdiscord_app||[]).push"));
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if (isWasm && IS_WEB) {
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invalidChunks.add(id);
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invalidChunkGroup = true;
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continue;
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}
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validChunks.add(id);
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}
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if (!invalidChunkGroup) {
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validChunkGroups.add([chunkIds, entryPoint]);
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}
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}));
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// Loads all found valid chunk groups
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await Promise.all(
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Array.from(validChunkGroups)
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.map(([chunkIds]) =>
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Promise.all(chunkIds.map(id => wreq.e(id as any).catch(() => { })))
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)
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);
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// Requires the entry points for all valid chunk groups
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for (const [, entryPoint] of validChunkGroups) {
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try {
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if (shouldForceDefer) {
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deferredRequires.add(entryPoint);
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continue;
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}
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if (wreq.m[entryPoint]) wreq(entryPoint as any);
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} catch (err) {
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console.error(err);
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}
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}
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// setImmediate to only check if all chunks were loaded after this function resolves
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// We check if all chunks were loaded every time a factory is loaded
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// If we are still looking for chunks in the other factories, the array will have that factory's chunk search promise not resolved
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// But, if all chunk search promises are resolved, this means we found every lazy chunk loaded by Discord code and manually loaded them
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setTimeout(() => {
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let allResolved = true;
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for (let i = 0; i < chunksSearchPromises.length; i++) {
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const isResolved = chunksSearchPromises[i]();
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if (isResolved) {
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// Remove finished promises to avoid having to iterate through a huge array everytime
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chunksSearchPromises.splice(i--, 1);
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} else {
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allResolved = false;
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}
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}
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if (allResolved) chunksSearchingResolve();
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}, 0);
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}
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Webpack.beforeInitListeners.add(async () => {
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ReporterLogger.log("Loading all chunks...");
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Webpack.factoryListeners.add(factory => {
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let isResolved = false;
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searchAndLoadLazyChunks(factory.toString()).then(() => isResolved = true);
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chunksSearchPromises.push(() => isResolved);
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});
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// setImmediate to only search the initial factories after Discord initialized the app
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// our beforeInitListeners are called before Discord initializes the app
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setTimeout(() => {
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for (const factoryId in wreq.m) {
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let isResolved = false;
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searchAndLoadLazyChunks(wreq.m[factoryId].toString()).then(() => isResolved = true);
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chunksSearchPromises.push(() => isResolved);
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}
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}, 0);
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});
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await chunksSearchingDone;
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// Require deferred entry points
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for (const deferredRequire of deferredRequires) {
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wreq!(deferredRequire as any);
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}
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// All chunks Discord has mapped to asset files, even if they are not used anymore
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const allChunks = [] as string[];
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// Matches "id" or id:
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for (const currentMatch of wreq!.u.toString().matchAll(/(?:"(\d+?)")|(?:(\d+?):)/g)) {
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const id = currentMatch[1] ?? currentMatch[2];
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if (id == null) continue;
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allChunks.push(id);
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}
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if (allChunks.length === 0) throw new Error("Failed to get all chunks");
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// Chunks that are not loaded (not used) by Discord code anymore
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const chunksLeft = allChunks.filter(id => {
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return !(validChunks.has(id) || invalidChunks.has(id));
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});
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await Promise.all(chunksLeft.map(async id => {
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const isWasm = await fetch(wreq.p + wreq.u(id))
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.then(r => r.text())
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.then(t => (IS_WEB && t.includes(".module.wasm")) || !t.includes("(this.webpackChunkdiscord_app=this.webpackChunkdiscord_app||[]).push"));
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// Loads and requires a chunk
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if (!isWasm) {
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await wreq.e(id as any);
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if (wreq.m[id]) wreq(id as any);
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}
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}));
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ReporterLogger.log("Finished loading all chunks!");
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for (const patch of patches) {
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if (!patch.all) {
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new Logger("WebpackInterceptor").warn(`Patch by ${patch.plugin} found no module (Module id is -): ${patch.find}`);
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}
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}
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for (const [searchType, args] of Webpack.lazyWebpackSearchHistory) {
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let method = searchType;
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if (searchType === "findComponent") method = "find";
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if (searchType === "findExportedComponent") method = "findByProps";
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if (searchType === "waitFor" || searchType === "waitForComponent") {
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if (typeof args[0] === "string") method = "findByProps";
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else method = "find";
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}
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if (searchType === "waitForStore") method = "findStore";
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try {
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let result: any;
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if (method === "proxyLazyWebpack" || method === "LazyComponentWebpack") {
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const [factory] = args;
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result = factory();
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} else if (method === "extractAndLoadChunks") {
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const [code, matcher] = args;
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result = await Webpack.extractAndLoadChunks(code, matcher);
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if (result === false) result = null;
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} else {
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// @ts-ignore
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result = Webpack[method](...args);
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}
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if (result == null || (result.$$vencordInternal != null && result.$$vencordInternal() == null)) throw "a rock at ben shapiro";
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} catch (e) {
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let logMessage = searchType;
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if (method === "find" || method === "proxyLazyWebpack" || method === "LazyComponentWebpack") logMessage += `(${args[0].toString().slice(0, 147)}...)`;
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else if (method === "extractAndLoadChunks") logMessage += `([${args[0].map(arg => `"${arg}"`).join(", ")}], ${args[1].toString()})`;
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else logMessage += `(${args.map(arg => `"${arg}"`).join(", ")})`;
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ReporterLogger.log("Webpack Find Fail:", logMessage);
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}
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}
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ReporterLogger.log("Finished test");
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} catch (e) {
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ReporterLogger.log("A fatal error occurred:", e);
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}
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}
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runReporter();
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