Remove-ChaoXing-Listeners/script.user.js at master · CQUT-OpenProject/Remove-ChaoXing-Listeners · GitHub

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// ==UserScript==
// @name         移除超星鼠标监听
// @name:en      Remove-ChaoXing-Listeners
// @version      1.0.0
// @description  屏蔽超星学习通页面的部分监听器
// @author       uednd
// @homepage     https://github.com/uednd/Remove-ChaoXing-Listeners
// @license      MIT
// @match        https://*.chaoxing.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    const CONFIG = {
        enableDebugLog: false,           // 启用调试日志
        bypassMultiDeviceDetection: true // 屏蔽多开监测
    };

    function log(message, ...args) {
        if (CONFIG.enableDebugLog) {
            console.log(`[Remove-ChaoXing-Listeners] ${message}`, ...args);
        }
    }

    function bypassMultiDeviceDetection() {
        if (!CONFIG.bypassMultiDeviceDetection) return;

        log('开始绕过多开检测');

        const originalCreateElement = document.createElement.bind(document);
        document.createElement = function(tagName) {
            const element = originalCreateElement(tagName);

            if (tagName && tagName.toLowerCase() === 'script') {
                const originalSetAttribute = element.setAttribute.bind(element);
                const originalGetAttribute = element.getAttribute.bind(element);

                let actualSrc = null;

                element.setAttribute = function(name, value) {
                    if (name === 'src' && typeof value === 'string') {
                        if (value.includes('detect.chaoxing.com/api/monitor')) {
                            log('已阻止多开检测请求:', value.substring(0, 100));
                            return;
                        }
                    }
                    return originalSetAttribute(name, value);
                };

                Object.defineProperty(element, 'src', {
                    set: function(value) {
                        if (typeof value === 'string' && value.includes('detect.chaoxing.com/api/monitor')) {
                            log('已阻止多开检测请求(src赋值):', value.substring(0, 100));
                            return;
                        }
                        actualSrc = value;
                        originalSetAttribute('src', value);
                    },
                    get: function() {
                        return actualSrc || originalGetAttribute('src') || '';
                    },
                    configurable: true,
                    enumerable: true
                });
            }

            return element;
        };

        const originalSetInterval = window.setInterval;
        window.setInterval = function(callback, delay, ...args) {
            if (delay === 30000) {
                const callbackStr = callback.toString();
                if (callbackStr.includes('detect.chaoxing.com') ||
                    callbackStr.includes('monitor')) {
                    log('已阻止多开检测定时器');
                    return -1;
                }
            }
            return originalSetInterval.call(this, callback, delay, ...args);
        };
    }

    bypassMultiDeviceDetection();

    const originalAddEventListener = EventTarget.prototype.addEventListener;

    EventTarget.prototype.addEventListener = function(type, listener, options) {
        if ((type === 'mouseout' || type === 'mouseover') &&
            (this === document || this === window || this === document.documentElement || this === document.body)) {
            log(`阻止添加 ${type} 监听器到:`, this.constructor.name);
            return;
        }
        return originalAddEventListener.call(this, type, listener, options);
    };

    function removeExistingListeners(source = 'unknown') {
        log(`移除监听器 (来源: ${source})`);
        try {
            if (document.onmouseout) document.onmouseout = null;
            if (document.onmouseover) document.onmouseover = null;
            if (window.onmouseout) window.onmouseout = null;
            if (window.onmouseover) window.onmouseover = null;
            if (document.documentElement) {
                if (document.documentElement.onmouseout) document.documentElement.onmouseout = null;
                if (document.documentElement.onmouseover) document.documentElement.onmouseover = null;
            }
            if (document.body) {
                if (document.body.onmouseout) document.body.onmouseout = null;
                if (document.body.onmouseover) document.body.onmouseover = null;
            }
            log('监听器移除完成');
        } catch (error) {
            console.error('[Remove-ChaoXing-Listeners] 移除监听器时出错:', error);
        }
    }

    window.addEventListener('load', function() {
        removeExistingListeners('load');
    }, { once: true });

    log('脚本已启动');

})();