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模拟真实用户行为，防止网课挂机检测
// ==UserScript==
// @name 智能网课防挂机助手
// @namespace http://tampermonkey.net/
// @version 1.2
// @description 模拟真实用户行为，防止网课挂机检测
// @author 资深程序员
// @match *://*/*
// @grant none
// @run-at document-start
// ==/UserScript==
(function() {
'use strict';
// 配置参数（单位：毫秒）
const CONFIG = {
CHECK_INTERVAL: 60 * 1000, // 基础检测间隔
RANDOM_RANGE: 15 * 1000, // 随机时间范围
MOUSE_MOVE_RATE: 0.6, // 鼠标移动概率
CLICK_RATE: 0.3, // 点击事件概率
SCROLL_RATE: 0.2, // 滚动事件概率
KEYBOARD_RATE: 0.1 // 键盘事件概率
};
// 智能动作生成器
class ActivitySimulator {
constructor() {
this.lastPosition = { x: 0, y: 0 };
this.initMouseTracking();
}
initMouseTracking() {
document.addEventListener('mousemove', (e) => {
this.lastPosition = { x: e.clientX, y: e.clientY };
});
}
// 生成随机坐标
generateRandomPosition() {
const range = 50;
return {
x: Math.max(0, this.lastPosition.x + (Math.random() * range - range/2)),
y: Math.max(0, this.lastPosition.y + (Math.random() * range - range/2))
};
}
// 模拟鼠标移动
simulateMouseMove() {
const pos = this.generateRandomPosition();
const moveEvent = new MouseEvent('mousemove', {
view: window,
bubbles: true,
cancelable: true,
clientX: pos.x,
clientY: pos.y
});
document.dispatchEvent(moveEvent);
}
// 模拟点击事件（智能选择安全区域）
simulateClick() {
const clickableElements = [
'video', 'player', 'controls', // 常见播放器组件
'div', 'span' // 通用元素
].map(selector =>
Array.from(document.querySelectorAll(selector))
).flat();
if (clickableElements.length > 0) {
const target = clickableElements[Math.floor(Math.random() * clickableElements.length)];
const rect = target.getBoundingClientRect();
const clickEvent = new MouseEvent('click', {
bubbles: true,
cancelable: true,
view: window,
clientX: rect.left + rect.width/2,
clientY: rect.top + rect.height/2
});
target.dispatchEvent(clickEvent);
}
}
// 模拟滚动事件
simulateScroll() {
const scrollAmount = Math.random() < 0.5 ? 50 : -50;
window.scrollBy({
top: scrollAmount,
behavior: 'smooth'
});
}
// 模拟键盘事件
simulateKeyboard() {
const keyCodes = [32, 37, 38, 39, 40]; // 空格、方向键
const keyEvent = new KeyboardEvent('keydown', {
keyCode: keyCodes[Math.floor(Math.random() * keyCodes.length)],
bubbles: true,
cancelable: true
});
document.dispatchEvent(keyEvent);
}
// 执行随机动作
performRandomAction() {
const actions = [];
if (Math.random() < CONFIG.MOUSE_MOVE_RATE) {
actions.push(() => this.simulateMouseMove());
}
if (Math.random() < CONFIG.CLICK_RATE) {
actions.push(() => this.simulateClick());
}
if (Math.random() < CONFIG.SCROLL_RATE) {
actions.push(() => this.simulateScroll());
}
if (Math.random() < CONFIG.KEYBOARD_RATE) {
actions.push(() => this.simulateKeyboard());
}
// 随机执行1-2个动作
if (actions.length > 0) {
const shuffle = actions.sort(() => 0.5 - Math.random());
shuffle.slice(0, 1 + Math.floor(Math.random())).forEach(action => action());
}
}
}
// 智能调度系统
class Scheduler {
constructor() {
this.simulator = new ActivitySimulator();
this.setupListener();
this.start();
}
setupListener() {
// 页面可见性检测
document.addEventListener('visibilitychange', () => {
if (document.hidden) {
this.stop();
} else {
this.start();
}
});
}
start() {
if (!this.timer) {
this.timer = setInterval(() => {
this.simulator.performRandomAction();
this.adjustInterval();
}, this.nextInterval());
}
}
stop() {
clearInterval(this.timer);
this.timer = null;
}
nextInterval() {
return CONFIG.CHECK_INTERVAL +
Math.random() * CONFIG.RANDOM_RANGE -
CONFIG.RANDOM_RANGE/2;
}
adjustInterval() {
clearInterval(this.timer);
this.timer = setInterval(() => {
this.simulator.performRandomAction();
this.adjustInterval();
}, this.nextInterval());
}
}
// 启动系统
new Scheduler();
// 视频保活检测（可选）
const videoElements = document.querySelectorAll('video');
if (videoElements.length > 0) {
setInterval(() => {
videoElements.forEach(video => {
if (video.paused && !video.ended) {
video.play().catch(() => {});
}
});
}, 5000);
}
})();