419 lines
14 KiB
JavaScript
419 lines
14 KiB
JavaScript
// ==UserScript==
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// @name ljq_web_driver
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// @namespace http://tampermonkey.net/
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// @version 0.3
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// @description Execute JS via ljq_web_driver
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// @require https://code.jquery.com/jquery-3.6.0.min.js
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// @author You
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// @match *://*/*
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// @grant GM_setValue
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// @grant GM_getValue
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// @grant GM_xmlhttpRequest
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// @grant GM_openInTab
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// @grant unsafeWindow
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// @connect localhost
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// @run-at document-start
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// ==/UserScript==
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(function() {
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'use strict';
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const log_prefix = "ljq_driver: ";
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if (window.self !== window.top) {
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window.addEventListener('message',e=>{if(e.data?.type==='ljq_exec'){try{let r=eval(e.data.code);parent.postMessage({type:'ljq_result',id:e.data.id,result:String(r)},'*')}catch(err){parent.postMessage({type:'ljq_result',id:e.data.id,error:err.message},'*')}}});
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return;
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}
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const wsUrl = 'ws://localhost:18765';
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const httpUrl = 'http://localhost:18766/';
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function isWebSocketServerAlive(callback) {
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GM_xmlhttpRequest({
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method: 'GET',
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url: 'http://localhost:18765/',
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onload: () => callback(true),
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onerror: () => callback(false)
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});
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}
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let ws;
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let sid;
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if (window.opener && window.name && window.name.startsWith('ljq_')) {
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sid = null;
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console.log(log_prefix + `检测到opener，丢弃继承的window.name: ${window.name}`);
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window.name = '';
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} else {
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sid = (window.name && window.name.startsWith('ljq_')) ?
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window.name : window.sessionStorage.getItem('ljq_driver_sid');
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}
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if (!sid) {
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sid = `ljq_${Date.now().toString().slice(-2)}${Math.random().toString(36).slice(2, 4)}`;
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window.sessionStorage.setItem('ljq_driver_sid', sid);
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window.name = sid;
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console.log(log_prefix + `创建新会话ID: ${sid}`);
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} else {
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if (window.name !== sid) window.name = sid;
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console.log(log_prefix + `使用现有会话ID: ${sid}`);
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}
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// 保存会话ID
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GM_setValue('sid', sid);
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// 获取或创建状态指示器
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function getIndicator() {
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// 检查现有指示器
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let ind = document.getElementById('ljq-ind');
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// 删除重复指示器
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const dups = document.querySelectorAll('[id="ljq-ind"]');
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if (dups.length > 1) {
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for (let i = 1; i < dups.length; i++) {
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dups[i].remove();
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}
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ind = dups[0];
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}
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// 创建新指示器
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if (!ind && document.body) {
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ind = document.createElement('div');
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ind.id = 'ljq-ind';
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ind.style.cssText = `
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position: fixed;bottom: 10px;
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right: 10px;background-color: #f44336;
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color: white;padding: 8px 12px;
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border-radius: 6px;font-size: 14px;
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font-weight: bold;z-index: 9999;
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transition: background-color 0.3s;
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cursor: pointer;box-shadow: 0 3px 6px rgba(0,0,0,0.25);
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`;
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ind.innerText = log_prefix + '正在连接...';
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ind.addEventListener('click', () => alert(`会话ID: ${sid}\n当前URL: ${location.href}`));
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document.body.appendChild(ind);
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}
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return ind;
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}
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// 更新状态
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function updateStatus(status, msg) {
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if (!document.body) return setTimeout(() => updateStatus(status, msg), 100);
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const ind = getIndicator();
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if (!ind) return;
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if (status === 'ok') {
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ind.style.backgroundColor = '#4CAF50';
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ind.innerText = log_prefix + '连接成功';
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} else if (status === 'disc') {
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ind.style.backgroundColor = '#f44336';
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ind.innerText = log_prefix + '连接断开';
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} else if (status === 'conn') {
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ind.style.backgroundColor = '#2196F3';
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ind.innerText = log_prefix + '正在连接(HTTP)';
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} else if (status === 'err') {
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ind.style.backgroundColor = '#FF9800';
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ind.innerText = log_prefix + `发生错误 (${msg})`;
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} else if (status === 'exec') {
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ind.style.backgroundColor = '#2196F3';
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ind.innerText = log_prefix + '正在执行指令...';
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}
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}
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function handleError(id, error, errorSource) {
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console.error(`${errorSource}错误:`, error);
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updateStatus('err', error.message);
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const errorMessage = {
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type: 'error',
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id: id,
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sessionId: sid,
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error: {
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name: error.name,
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message: error.message,
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stack: error.stack,
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source: errorSource
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}
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};
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if (typeof ws !== 'undefined' && ws && ws.readyState === WebSocket.OPEN) {
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ws.send(JSON.stringify(errorMessage));
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} else {
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GM_xmlhttpRequest({
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method: "POST",
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url: httpUrl + "api/result",
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headers: {"Content-Type": "application/json"},
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data: JSON.stringify(errorMessage),
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onload: function(response) {console.log("错误信息已通过HTTP发送", response);},
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onerror: function(err) {console.error("发送错误信息失败", err);}
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});
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}
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}
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function smartProcessResult(result) {
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// 处理 null 和原始类型
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if (result === null || result === undefined || typeof result !== 'object') {
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return result;
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}
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// 1. 处理 jQuery 对象 - 强制转换为HTML字符串数组
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if (typeof jQuery !== 'undefined' && result instanceof jQuery) {
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const elements = [];
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for (let i = 0; i < result.length; i++) {
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if (result[i] && result[i].nodeType === 1) {
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elements.push(result[i].outerHTML);
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}
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}
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return elements; // 始终返回数组
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}
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// 2. 处理 NodeList 和 HTMLCollection
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if (result instanceof NodeList || result instanceof HTMLCollection) {
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const elements = [];
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for (let i = 0; i < result.length; i++) {
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if (result[i] && result[i].nodeType === 1) {
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elements.push(result[i].outerHTML);
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}
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}
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return elements;
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}
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// 3. 处理单个 DOM 元素
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if (result.nodeType === 1) {
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return result.outerHTML;
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}
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// 4. 检查是否是具有数字索引和length属性的类数组对象
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if (!Array.isArray(result) &&
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typeof result === 'object' &&
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'length' in result &&
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typeof result.length === 'number') {
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// 检查第一个元素是否是DOM节点
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const firstElement = result[0];
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if (firstElement && firstElement.nodeType === 1) {
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const elements = [];
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const length = Math.min(result.length, 100);
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for (let i = 0; i < length; i++) {
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const elem = result[i];
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if (elem && elem.nodeType === 1) {
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elements.push(elem.outerHTML);
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}
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}
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return elements;
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}
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}
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// 5. 处理普通对象和数组 - 使用标准序列化
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try {
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return JSON.parse(JSON.stringify(result, function(key, value) {
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if (typeof value === 'object' && value !== null) {
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if (value.nodeType === 1) {
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return value.outerHTML;
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}
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if (value === window || value === document) {
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return '[Object]';
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}
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}
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return value;
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}));
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} catch (e) {
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console.error("序列化对象失败:", e);
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return `[无法序列化的对象: ${e.message}]`;
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}
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}
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// 防止重复初始化
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if (window.ljq_init) return;
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window.ljq_init = true;
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function connecthttp() {
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if (window.use_ws) return;
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updateStatus('conn');
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GM_xmlhttpRequest({
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method: "POST",
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url: httpUrl + "api/longpoll",
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headers: {"Content-Type": "application/json"},
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data: JSON.stringify({
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type: 'ready',
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url: location.href,
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sessionId: sid
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}),
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onload: function(resp) {
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if (resp.status === 200) {
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let data = JSON.parse(resp.responseText);
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console.log(log_prefix + '接收到数据:', data);
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if (data.id === "" && data.ret === "use ws") return;
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if (data.id === "") return setTimeout(connecthttp, 100);
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const response = executeCode(data);
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if (response.error) {
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handleError(data.id, response.error, '执行代码');
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} else {
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GM_xmlhttpRequest({
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method: "POST",
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url: httpUrl + "api/result",
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headers: {"Content-Type": "application/json"},
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data: JSON.stringify({
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type: 'result',
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id: data.id,
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sessionId: sid,
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result: response.result
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})
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});
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}
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} else {
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console.error(log_prefix + '请求失败，状态码：', resp.status);
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updateStatus('err', '请求失败');
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}
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setTimeout(connecthttp, 1000);
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},
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onerror: function(err) {
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console.error(log_prefix + '请求错误', err);
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updateStatus('err', '请求失败');
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setTimeout(connecthttp, 5000);
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},
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ontimeout: function() {
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console.log(log_prefix + '请求超时');
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updateStatus('err', '请求超时');
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setTimeout(connecthttp, 5000);
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}
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});
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}
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function executeCode(data) {
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let id = data.id || 'unknown'; // 获取 ID
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let result;
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if (!data.code) {
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console.log('收到非代码执行消息:', data);
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return { error: '没有可执行的代码' };
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}
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updateStatus('exec');
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const _open = window.open;
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window.open = (url, target, features) => {
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GM_openInTab(url, { active: true });
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return { success: true, url: url };
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};
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try {
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const jsCode = data.code.trim();
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const lines = jsCode.split(/\r?\n/).filter(l => l.trim());
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const lastLine = lines.length > 0 ? lines[lines.length - 1].trim() : '';
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if (lastLine.startsWith('return')) {
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result = (new Function(jsCode))();
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} else {
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try {
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result = eval(jsCode);
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} catch (e) {
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if (isIllegalReturnError(e)) {
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result = (new Function(jsCode))();
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} else throw e;
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}
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}
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const processedResult = smartProcessResult(result);
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if (result instanceof Promise) {
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result.finally(() => window.open = _open);
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return { result: processedResult };
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}
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return { result: processedResult };
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} catch (execError) {
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return { error: execError };
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} finally {
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if (!(result instanceof Promise)) {
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setTimeout(() => window.open = _open, 100);
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}
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}
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}
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function isIllegalReturnError(e) {
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return e instanceof SyntaxError && (
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/Illegal return statement/i.test(e.message) || // Chrome 常见
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/return not in function/i.test(e.message) || // Firefox 常见
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/Illegal 'return' statement/i.test(e.message) // 兼容旧文案
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);
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}
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function connect() {
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ws = new WebSocket(wsUrl);
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ws.onopen = function() {
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window.use_ws = true;
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console.log(log_prefix + '已连接');
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updateStatus('ok');
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ws.send(JSON.stringify({
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type: 'ready',
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url: location.href,
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sessionId: sid
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}));
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};
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ws.onclose = function() {
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console.log(log_prefix + '已断开，5秒后重连');
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updateStatus('disc');
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setTimeout(connect, 5000);
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};
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ws.onerror = function(err) {
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console.error(log_prefix + '连接错误', err);
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updateStatus('err', '连接失败');
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isWebSocketServerAlive(function (e) { if (e) connecthttp()});
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};
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ws.onmessage = async function(e) {
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try {
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let data = JSON.parse(e.data);
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ws.send(JSON.stringify({type: 'ack',id: data.id}));
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const response = executeCode(data);
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if (response.error) {
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handleError(data.id, response.error, '执行代码');
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} else {
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updateStatus('ok');
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ws.send(JSON.stringify({
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type: 'result',
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id: data.id,
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sessionId: sid,
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result: response.result
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}));
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}
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} catch (parseError) {
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handleError('unknown', parseError, '解析消息');
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}
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};
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}
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// 初始化
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function init() {
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if (document.body) {
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getIndicator();
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connect();
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} else {
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setTimeout(init, 50);
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}
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}
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// 监控DOM变化
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const observer = new MutationObserver(() => getIndicator());
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if (document.readyState !== 'loading') {
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init();
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observer.observe(document.body, { childList: true, subtree: true });
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} else {
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document.addEventListener('DOMContentLoaded', () => {
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init();
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observer.observe(document.body, { childList: true, subtree: true });
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});
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}
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// 清理
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window.addEventListener('beforeunload', () => {
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observer.disconnect();
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if (ws && ws.readyState === WebSocket.OPEN) {
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ws.close();
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}
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});
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})(); |