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Use hash of client.js file for calculating patch's signature

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redphx
2024-11-01 07:16:11 +07:00
parent b2a2e4d27e
commit ec3daa09fd
2 changed files with 58 additions and 43 deletions
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59
src/modules/patcher.ts
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@@ -1222,21 +1222,32 @@ export class Patcher {
}
export class PatcherCache {
static #KEY_CACHE = 'better_xcloud_patches_cache';
static #KEY_SIGNATURE = 'better_xcloud_patches_cache_signature';
private static readonly KEY_CACHE = 'better_xcloud_patches_cache';
private static readonly KEY_SIGNATURE = 'better_xcloud_patches_cache_signature';
static #CACHE: any;
private static CACHE: any;
static #isInitialized = false;
private static isInitialized = false;
/**
* Get patch's signature
*/
static #getSignature(): number {
private static getSignature(): number {
const scriptVersion = SCRIPT_VERSION;
const webVersion = (document.querySelector<HTMLMetaElement>('meta[name=gamepass-app-version]'))?.content;
const patches = JSON.stringify(ALL_PATCHES);
// Get client.js's hash
let webVersion = '';
const $link = document.querySelector<HTMLLinkElement>('link[data-chunk="client"][href*="/client."]');
if ($link) {
const match = /\/client\.([^\.]+)\.js/.exec($link.href);
match && (webVersion = match[1]);
} else {
// Get version from <meta>
// Sometimes this value is missing
webVersion = (document.querySelector<HTMLMetaElement>('meta[name=gamepass-app-version]'))?.content ?? '';
}
// Calculate signature
const sig = hashCode(scriptVersion + webVersion + patches)
return sig;
@@ -1244,18 +1255,18 @@ export class PatcherCache {
static clear() {
// Clear cache
window.localStorage.removeItem(PatcherCache.#KEY_CACHE);
PatcherCache.#CACHE = {};
window.localStorage.removeItem(PatcherCache.KEY_CACHE);
PatcherCache.CACHE = {};
}
static checkSignature() {
const storedSig = window.localStorage.getItem(PatcherCache.#KEY_SIGNATURE) || 0;
const currentSig = PatcherCache.#getSignature();
const storedSig = window.localStorage.getItem(PatcherCache.KEY_SIGNATURE) || 0;
const currentSig = PatcherCache.getSignature();
if (currentSig !== parseInt(storedSig as string)) {
// Save new signature
BxLogger.warning(LOG_TAG, 'Signature changed');
window.localStorage.setItem(PatcherCache.#KEY_SIGNATURE, currentSig.toString());
window.localStorage.setItem(PatcherCache.KEY_SIGNATURE, currentSig.toString());
PatcherCache.clear();
} else {
@@ -1263,10 +1274,10 @@ export class PatcherCache {
}
}
static #cleanupPatches(patches: PatchArray): PatchArray {
private static cleanupPatches(patches: PatchArray): PatchArray {
return patches.filter(item => {
for (const id in PatcherCache.#CACHE) {
const cached = PatcherCache.#CACHE[id];
for (const id in PatcherCache.CACHE) {
const cached = PatcherCache.CACHE[id];
if (cached.includes(item)) {
return false;
@@ -1278,16 +1289,16 @@ export class PatcherCache {
}
static getPatches(id: string): PatchArray {
return PatcherCache.#CACHE[id];
return PatcherCache.CACHE[id];
}
static saveToCache(subCache: Record<string, PatchArray>) {
for (const id in subCache) {
const patchNames = subCache[id];
let data = PatcherCache.#CACHE[id];
let data = PatcherCache.CACHE[id];
if (!data) {
PatcherCache.#CACHE[id] = patchNames;
PatcherCache.CACHE[id] = patchNames;
} else {
for (const patchName of patchNames) {
if (!data.includes(patchName)) {
@@ -1298,20 +1309,20 @@ export class PatcherCache {
}
// Save to storage
window.localStorage.setItem(PatcherCache.#KEY_CACHE, JSON.stringify(PatcherCache.#CACHE));
window.localStorage.setItem(PatcherCache.KEY_CACHE, JSON.stringify(PatcherCache.CACHE));
}
static init() {
if (PatcherCache.#isInitialized) {
if (PatcherCache.isInitialized) {
return;
}
PatcherCache.#isInitialized = true;
PatcherCache.isInitialized = true;
PatcherCache.checkSignature();
// Read cache from storage
PatcherCache.#CACHE = JSON.parse(window.localStorage.getItem(PatcherCache.#KEY_CACHE) || '{}');
BxLogger.info(LOG_TAG, PatcherCache.#CACHE);
PatcherCache.CACHE = JSON.parse(window.localStorage.getItem(PatcherCache.KEY_CACHE) || '{}');
BxLogger.info(LOG_TAG, PatcherCache.CACHE);
if (window.location.pathname.includes('/play/')) {
PATCH_ORDERS.push(...PLAYING_PATCH_ORDERS);
@@ -1320,8 +1331,8 @@ export class PatcherCache {
}
// Remove cached patches from PATCH_ORDERS & PLAYING_PATCH_ORDERS
PATCH_ORDERS = PatcherCache.#cleanupPatches(PATCH_ORDERS);
PLAYING_PATCH_ORDERS = PatcherCache.#cleanupPatches(PLAYING_PATCH_ORDERS);
PATCH_ORDERS = PatcherCache.cleanupPatches(PATCH_ORDERS);
PLAYING_PATCH_ORDERS = PatcherCache.cleanupPatches(PLAYING_PATCH_ORDERS);
BxLogger.info(LOG_TAG, PATCH_ORDERS.slice(0));
BxLogger.info(LOG_TAG, PLAYING_PATCH_ORDERS.slice(0));