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相当激进的失焦检测对抗，仅在需要时启用！
// ==UserScript==
// @name 通用失焦反检测
// @namespace http://tampermonkey.net/
// @version 1.0
// @description 相当激进的失焦检测对抗，仅在需要时启用！
// @author Klready
// @match *://*/*
// @run-at document-start
// @grant unsafeWindow
// @license AGPL
// ==/UserScript==
(function() {
'use strict';
const LOG_PREFIX = '[Anti-Detect]';
const win = typeof unsafeWindow !== 'undefined' ? unsafeWindow : window;
const processedWindows = new WeakSet();
const NativeUtils = (function() {
const nativeMap = new WeakMap();
const originalToString = Function.prototype.toString;
const originalGetDescriptor = Object.getOwnPropertyDescriptor;
const originalDefineProperty = Object.defineProperty;
const fakeToString = function() {
const func = this;
return nativeMap.has(func) ? nativeMap.get(func) : originalToString.call(func);
};
nativeMap.set(fakeToString, originalToString.call(originalToString));
try {
const protoDesc = originalGetDescriptor(Function.prototype, 'toString');
originalDefineProperty(Function.prototype, 'toString', { ...protoDesc, value: fakeToString });
} catch (e) {}
function makeNative(fakeFunc, sourceFunc, customName) {
let nativeString = typeof sourceFunc === 'function' ? originalToString.call(sourceFunc) : sourceFunc;
let nativeName = typeof sourceFunc === 'function' ? sourceFunc.name : 'anonymous';
let nativeLength = typeof sourceFunc === 'function' ? sourceFunc.length : 0;
if (customName) nativeName = customName;
nativeMap.set(fakeFunc, nativeString);
originalDefineProperty(fakeFunc, 'name', { value: nativeName, writable: false, enumerable: false, configurable: true });
originalDefineProperty(fakeFunc, 'length', { value: nativeLength, writable: false, enumerable: false, configurable: true });
return fakeFunc;
}
function hookPrototype(proto, prop, newDesc) {
const originalDesc = originalGetDescriptor(proto, prop);
if (!originalDesc) return;
const finalDesc = { ...originalDesc, ...newDesc };
if (newDesc.get && originalDesc.get) finalDesc.get = makeNative(newDesc.get, originalDesc.get, `get ${prop}`);
if (newDesc.value && typeof originalDesc.value === 'function') finalDesc.value = makeNative(newDesc.value, originalDesc.value, prop);
originalDefineProperty(proto, prop, finalDesc);
}
return { makeNative, hookPrototype, originalDefineProperty };
})();
function installClockHooks(targetWindow) {
try {
const workerBlob = new Blob([`
const timerIds = new Map();
let rafInterval = null;
self.onmessage = function(e) {
const { command, id, delay, type } = e.data;
if (command === 'start-timer') {
let tid;
if (type === 'interval') {
tid = setInterval(() => self.postMessage({ command: 'timer-tick', id }), delay);
} else {
tid = setTimeout(() => self.postMessage({ command: 'timer-tick', id }), delay);
}
timerIds.set(id, tid);
} else if (command === 'clear-timer') {
const tid = timerIds.get(id);
if (tid) {
clearInterval(tid);
clearTimeout(tid);
timerIds.delete(id);
}
}
else if (command === 'start-raf-loop') {
if (!rafInterval) {
rafInterval = setInterval(() => {
self.postMessage({ command: 'raf-tick' });
}, 16); // 16ms ≈ 60fps
}
} else if (command === 'stop-raf-loop') {
if (rafInterval) {
clearInterval(rafInterval);
rafInterval = null;
}
}
};
`], { type: 'application/javascript' });
const workerUrl = URL.createObjectURL(workerBlob);
const clockWorker = new Worker(workerUrl);
const callbackMap = new Map();
let globalIdCounter = 1;
const rafQueue = new Map();
let rafIdCounter = 1;
let isRafLoopRunning = false;
clockWorker.onmessage = function(e) {
const { command, id } = e.data;
if (command === 'timer-tick') {
const task = callbackMap.get(id);
if (task) {
try { task.callback.apply(targetWindow, task.args); } catch(err) { console.error(err); }
if (task.type === 'timeout') callbackMap.delete(id);
}
}
else if (command === 'raf-tick') {
const currentQueue = new Map(rafQueue);
rafQueue.clear();
const now = performance.now();
currentQueue.forEach((cb, rafId) => {
try { cb(now); } catch(err) { console.error(err); }
});
}
};
const originalSetInterval = targetWindow.setInterval;
const originalSetTimeout = targetWindow.setTimeout;
const originalClearInterval = targetWindow.clearInterval;
const originalClearTimeout = targetWindow.clearTimeout;
const fakeSetInterval = function(cb, delay, ...args) {
if (delay > 1000 || delay === undefined) return originalSetInterval.apply(this, arguments);
const id = globalIdCounter++;
callbackMap.set(id, { callback: cb, args, type: 'interval' });
clockWorker.postMessage({ command: 'start-timer', id, delay, type: 'interval' });
return id;
};
const fakeSetTimeout = function(cb, delay, ...args) {
if (delay > 1000 || delay === undefined) return originalSetTimeout.apply(this, arguments);
const id = globalIdCounter++;
callbackMap.set(id, { callback: cb, args, type: 'timeout' });
clockWorker.postMessage({ command: 'start-timer', id, delay, type: 'timeout' });
return id;
};
const fakeClearTimer = function(id) {
if (callbackMap.has(id)) {
callbackMap.delete(id);
clockWorker.postMessage({ command: 'clear-timer', id });
} else {
originalClearInterval(id);
originalClearTimeout(id);
}
};
const originalRAF = targetWindow.requestAnimationFrame;
const originalCancelRAF = targetWindow.cancelAnimationFrame;
const fakeRAF = function(callback) {
if (!isRafLoopRunning) {
clockWorker.postMessage({ command: 'start-raf-loop' });
isRafLoopRunning = true;
}
const id = rafIdCounter++;
rafQueue.set(id, callback);
return id;
};
const fakeCancelRAF = function(id) {
rafQueue.delete(id);
};
NativeUtils.makeNative(fakeSetInterval, originalSetInterval, 'setInterval');
NativeUtils.makeNative(fakeSetTimeout, originalSetTimeout, 'setTimeout');
NativeUtils.makeNative(fakeClearTimer, originalClearInterval, 'clearInterval');
NativeUtils.originalDefineProperty(targetWindow, 'setInterval', { value: fakeSetInterval });
NativeUtils.originalDefineProperty(targetWindow, 'setTimeout', { value: fakeSetTimeout });
NativeUtils.originalDefineProperty(targetWindow, 'clearInterval', { value: fakeClearTimer });
NativeUtils.originalDefineProperty(targetWindow, 'clearTimeout', { value: fakeClearTimer });
NativeUtils.makeNative(fakeRAF, originalRAF, 'requestAnimationFrame');
NativeUtils.makeNative(fakeCancelRAF, originalCancelRAF, 'cancelAnimationFrame');
NativeUtils.originalDefineProperty(targetWindow, 'requestAnimationFrame', { value: fakeRAF });
NativeUtils.originalDefineProperty(targetWindow, 'cancelAnimationFrame', { value: fakeCancelRAF });
if (targetWindow.webkitRequestAnimationFrame) {
NativeUtils.originalDefineProperty(targetWindow, 'webkitRequestAnimationFrame', { value: fakeRAF });
}
} catch (e) {
console.error(LOG_PREFIX, 'Clock hook failed', e);
}
}
function applyPrototypeHacks(targetWindow) {
if (!targetWindow || processedWindows.has(targetWindow)) return;
const DocProto = targetWindow.Document.prototype;
const ScreenProto = targetWindow.Screen.prototype;
NativeUtils.hookPrototype(DocProto, 'hidden', { get: function() { return false; } });
NativeUtils.hookPrototype(DocProto, 'visibilityState', { get: function() { return 'visible'; } });
NativeUtils.hookPrototype(DocProto, 'hasFocus', { value: function() { return true; } });
if (Object.getOwnPropertyDescriptor(ScreenProto, 'isExtended')) {
NativeUtils.hookPrototype(ScreenProto, 'isExtended', { get: function() { return false; } });
}
processedWindows.add(targetWindow);
}
function injectEventStopper(targetWindow) {
const blockEvents = ['blur', 'visibilitychange', 'webkitvisibilitychange', 'mouseleave', 'mouseout', 'pagehide', 'fullscreenchange', 'resize'];
const eventFilter = (e) => { if (e.isTrusted) { e.stopImmediatePropagation(); e.stopPropagation(); } };
blockEvents.forEach(evt => {
try { targetWindow.addEventListener(evt, eventFilter, { capture: true, passive: false }); } catch (e) {}
});
}
function installIframeHook() {
const IframeProto = win.HTMLIFrameElement.prototype;
const originalDesc = Object.getOwnPropertyDescriptor(IframeProto, 'contentWindow');
if (!originalDesc) return;
const fakeGet = function() {
const realContentWindow = originalDesc.get.call(this);
if (realContentWindow && !processedWindows.has(realContentWindow)) {
try {
applyPrototypeHacks(realContentWindow);
injectEventStopper(realContentWindow);
installClockHooks(realContentWindow);
} catch (e) {}
}
return realContentWindow;
};
const hookFunc = NativeUtils.makeNative(fakeGet, originalDesc.get, 'get contentWindow');
Object.defineProperty(IframeProto, 'contentWindow', { ...originalDesc, get: hookFunc });
}
try {
applyPrototypeHacks(win);
injectEventStopper(win);
installClockHooks(win);
installIframeHook();
console.log(LOG_PREFIX, 'Initialized (Holographic Mode).');
} catch (e) {
console.error(LOG_PREFIX, 'Init error:', e);
}
})();