first commit
This commit is contained in:
873
content-script.js
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873
content-script.js
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@@ -0,0 +1,873 @@
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/**
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* Content Script - 使用 DevTools Network API 获取 XHR 请求
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*
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* 注意：这个脚本只在 DevTools 面板中使用
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* 实际的请求捕获通过 chrome.devtools.network.onRequestFinished 实现
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*/
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// 这个文件现在已经不需要了，因为请求捕获在 DevTools 面板中完成
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// 但保留文件以避免错误
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// 将完整的拦截脚本注入到页面上下文
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const script = document.createElement('script');
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script.textContent = `
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(function() {
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'use strict';
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console.log('🔧 [页面上下文] 拦截脚本已执行');
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console.log('🔧 [页面上下文] XMLHttpRequest 类型:', typeof XMLHttpRequest);
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console.log('🔧 [页面上下文] fetch 类型:', typeof fetch);
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// 在页面上下文中存储解密记录
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if (!window.__XHR_DECRYPT_DATA__) {
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window.__XHR_DECRYPT_DATA__ = {
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requests: [],
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addRequest: function(record) {
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this.requests.push(record);
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if (this.requests.length > 100) {
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this.requests.shift();
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}
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// 通知 content script
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window.dispatchEvent(new CustomEvent('__XHR_DECRYPTED__', { detail: record }));
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},
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getRequests: function() {
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return this.requests;
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},
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clear: function() {
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this.requests = [];
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}
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};
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}
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const decryptedData = window.__XHR_DECRYPT_DATA__;
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const requestHeadersMap = new Map();
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const skipDecryptPaths = ['v1/picture/upload'];
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// ========== 密钥获取策略管理器 ==========
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const KeyGetStrategies = {
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strategies: [],
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// 注册密钥获取策略
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register: function(strategy) {
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if (strategy && typeof strategy.getName === 'function' && typeof strategy.getKey === 'function') {
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this.strategies.push({
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name: strategy.getName(),
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priority: strategy.priority || 100,
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getKey: strategy.getKey,
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canHandle: strategy.canHandle || (() => true)
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});
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// 按优先级排序（数字越小优先级越高）
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this.strategies.sort((a, b) => a.priority - b.priority);
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}
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},
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// 获取密钥（按优先级尝试所有策略）
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getKey: function(url, uuid, requestHeaders) {
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for (const strategy of this.strategies) {
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try {
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if (strategy.canHandle(url, uuid, requestHeaders)) {
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const key = strategy.getKey(url, uuid, requestHeaders);
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if (key) {
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console.log('🔑 [密钥策略] 使用策略:', strategy.name, '获取密钥成功');
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return { key: key, strategy: strategy.name };
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}
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}
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} catch (error) {
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console.warn('🔑 [密钥策略] 策略', strategy.name, '执行失败:', error);
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continue;
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}
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}
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console.warn('🔑 [密钥策略] 所有策略都无法获取密钥');
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return null;
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},
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// 初始化默认策略
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init: function() {
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// 策略1: 从页面工具获取密钥（优先级最高）
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this.register({
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name: '页面工具获取',
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priority: 10,
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canHandle: function(url, uuid, requestHeaders) {
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return window.__DECRYPT_TOOLS__ && window.__DECRYPT_TOOLS__.getKey;
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},
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getKey: function(url, uuid, requestHeaders) {
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const tools = window.__DECRYPT_TOOLS__;
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if (tools && tools.getKey) {
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return tools.getKey(url, uuid);
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}
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return null;
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}
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});
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// 策略2: 从请求头计算密钥（timestamp + TraceId）
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this.register({
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name: '请求头计算',
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priority: 20,
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canHandle: function(url, uuid, requestHeaders) {
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const timestamp = requestHeaders?.time || requestHeaders?.Time || '';
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const traceId = requestHeaders?.TraceId || requestHeaders?.['trace-id'] || '';
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return !!(timestamp && traceId);
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},
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getKey: function(url, uuid, requestHeaders) {
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const timestamp = requestHeaders?.time || requestHeaders?.Time || '';
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const traceId = requestHeaders?.TraceId || requestHeaders?.['trace-id'] || '';
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if (timestamp && traceId) {
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return String(timestamp + traceId).slice(0, 16);
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}
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return null;
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}
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});
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// 可以在这里添加更多密钥获取策略
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// 例如：从 localStorage 获取、从 URL 参数获取、从 Cookie 获取等
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}
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};
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// ========== 解密策略管理器 ==========
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const DecryptStrategies = {
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strategies: [],
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// 注册解密策略
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register: function(strategy) {
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if (strategy && typeof strategy.getName === 'function' && typeof strategy.decrypt === 'function') {
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this.strategies.push({
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name: strategy.getName(),
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priority: strategy.priority || 100,
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decrypt: strategy.decrypt,
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canHandle: strategy.canHandle || (() => true)
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});
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// 按优先级排序
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this.strategies.sort((a, b) => a.priority - b.priority);
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}
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},
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// 解密数据（按优先级尝试所有策略）
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decrypt: function(encryptedData, key, isRequest = false) {
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for (const strategy of this.strategies) {
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try {
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if (strategy.canHandle(encryptedData, key, isRequest)) {
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const decrypted = strategy.decrypt(encryptedData, key, isRequest);
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if (decrypted !== null && decrypted !== undefined && decrypted !== encryptedData) {
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console.log('🔓 [解密策略] 使用策略:', strategy.name, '解密成功');
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return { data: decrypted, strategy: strategy.name };
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}
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}
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} catch (error) {
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console.warn('🔓 [解密策略] 策略', strategy.name, '执行失败:', error);
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continue;
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}
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}
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console.warn('🔓 [解密策略] 所有策略都无法解密数据');
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return { data: encryptedData, strategy: null };
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},
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// 初始化默认策略
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init: function() {
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// 策略1: 使用页面工具解密（优先级最高）
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this.register({
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name: '页面工具解密',
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priority: 10,
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canHandle: function(encryptedData, key, isRequest) {
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return window.__DECRYPT_TOOLS__ && window.__DECRYPT_TOOLS__.Decrypt;
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},
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decrypt: function(encryptedData, key, isRequest) {
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const tools = window.__DECRYPT_TOOLS__;
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if (!tools || !tools.Decrypt) {
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return null;
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}
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try {
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if (isRequest) {
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// 请求数据格式：{ data: "base64String" }
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if (encryptedData && encryptedData.data && typeof encryptedData.data === 'string') {
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const decrypted = tools.Decrypt(encryptedData.data, key);
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if (decrypted) {
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return JSON.parse(decrypted);
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}
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}
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} else {
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// 响应数据格式：字符串或对象
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if (typeof encryptedData === 'string') {
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const decrypted = tools.Decrypt(encryptedData, key);
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if (decrypted) {
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try {
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return JSON.parse(decrypted);
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} catch (e) {
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if (window.JSON5) {
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return window.JSON5.parse(decrypted);
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}
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return decrypted;
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}
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}
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}
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}
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} catch (error) {
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console.error('解密失败:', error);
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}
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return null;
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}
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});
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// 策略2: 使用 CryptoJS 直接解密（如果可用）
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this.register({
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name: 'CryptoJS 解密',
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priority: 20,
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canHandle: function(encryptedData, key, isRequest) {
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return typeof CryptoJS !== 'undefined' && key;
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},
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decrypt: function(encryptedData, key, isRequest) {
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try {
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if (typeof CryptoJS === 'undefined') {
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return null;
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}
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let dataToDecrypt = null;
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if (isRequest) {
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if (encryptedData && encryptedData.data && typeof encryptedData.data === 'string') {
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dataToDecrypt = encryptedData.data;
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} else {
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return null;
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}
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} else {
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if (typeof encryptedData === 'string') {
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dataToDecrypt = encryptedData;
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} else {
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return null;
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}
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}
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if (!dataToDecrypt) {
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return null;
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}
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// 清理数据
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const cleanData = dataToDecrypt.replace(/\s/g, '').replace(/"/g, '');
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const cleanKey = key.replace(/\s/g, '').replace(/"/g, '');
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// AES 解密
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const decrypt = CryptoJS.AES.decrypt(
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cleanData,
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CryptoJS.enc.Utf8.parse(cleanKey),
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{
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mode: CryptoJS.mode.ECB,
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padding: CryptoJS.pad.Pkcs7
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}
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);
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const decrypted = decrypt.toString(CryptoJS.enc.Utf8);
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if (!decrypted) {
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return null;
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}
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// 尝试解析 JSON
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try {
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return JSON.parse(decrypted);
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} catch (e) {
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if (window.JSON5) {
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return window.JSON5.parse(decrypted);
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}
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return decrypted;
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}
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} catch (error) {
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return null;
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}
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}
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});
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// 可以在这里添加更多解密策略
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// 例如：其他加密算法、不同的填充方式等
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}
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};
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// 初始化策略管理器
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KeyGetStrategies.init();
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DecryptStrategies.init();
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// ========== 便捷函数 ==========
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// 获取密钥
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function getTimestampKey(url, uuid, requestHeaders) {
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const result = KeyGetStrategies.getKey(url, uuid, requestHeaders);
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return result ? result.key : null;
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}
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// 解密请求数据
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function decryptRequestData(encryptedData, timestampKey) {
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if (!timestampKey) {
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return encryptedData;
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}
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const result = DecryptStrategies.decrypt(encryptedData, timestampKey, true);
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return result.data;
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}
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// 解密响应数据
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function decryptResponseData(encryptedData, timestampKey) {
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if (!timestampKey) {
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return encryptedData;
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}
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const result = DecryptStrategies.decrypt(encryptedData, timestampKey, false);
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return result.data;
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}
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// 暴露策略管理器，允许外部注册新策略
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window.__XHR_DECRYPT_STRATEGIES__ = {
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keyGetStrategies: KeyGetStrategies,
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decryptStrategies: DecryptStrategies
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};
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// ========== 拦截 XMLHttpRequest ==========
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// 必须在页面脚本运行前拦截，否则会被覆盖
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(function() {
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if (typeof XMLHttpRequest === 'undefined') {
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console.warn('⚠️ [页面上下文] XMLHttpRequest 未定义');
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return;
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}
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// 保存原始函数（必须在任何其他脚本运行前保存）
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const originalXHR = window.XMLHttpRequest;
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const originalOpen = XMLHttpRequest.prototype.open;
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const originalSend = XMLHttpRequest.prototype.send;
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const originalSetRequestHeader = XMLHttpRequest.prototype.setRequestHeader;
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// 检查是否已经被拦截过
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const openStr = originalOpen.toString();
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if (openStr.includes('_method') || openStr.includes('__XHR_DECRYPT')) {
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console.log('⚠️ [页面上下文] XHR 可能已被其他脚本拦截');
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}
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XMLHttpRequest.prototype.open = function(method, url, ...args) {
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this._method = method;
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this._url = url;
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this._requestHeaders = {};
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requestHeadersMap.set(this, {});
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console.log('🔍 [页面上下文] 拦截 XHR open:', method, url);
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// 确保返回正确的结果
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const result = originalOpen.apply(this, [method, url, ...args]);
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return result;
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};
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XMLHttpRequest.prototype.setRequestHeader = function(name, value) {
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if (!this._requestHeaders) {
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this._requestHeaders = {};
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}
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this._requestHeaders[name] = value;
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const headers = requestHeadersMap.get(this) || {};
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headers[name] = value;
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requestHeadersMap.set(this, headers);
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return originalSetRequestHeader.apply(this, [name, value]);
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};
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XMLHttpRequest.prototype.send = function(body) {
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const url = this._url;
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const method = this._method;
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const requestId = Date.now() + Math.random();
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const shouldSkip = skipDecryptPaths.some(path => url.includes(path));
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// 监听响应
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this.addEventListener('loadend', function() {
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if (shouldSkip) return;
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try {
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const headers = requestHeadersMap.get(this) || {};
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const uuid = this.getResponseHeader('uuid');
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if (!uuid) {
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return;
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}
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// 获取密钥（包含策略信息）
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const keyResult = KeyGetStrategies.getKey(url, uuid, headers);
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if (!keyResult || !keyResult.key) {
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console.warn('无法获取密钥', { url, uuid, headers });
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return;
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}
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const timestampKey = keyResult.key;
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const keyStrategy = keyResult.strategy;
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// 解密请求数据（包含策略信息）
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let requestBody = null;
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let requestDecryptStrategy = null;
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if (body) {
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try {
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const parsed = typeof body === 'string' ? JSON.parse(body) : body;
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const decryptResult = DecryptStrategies.decrypt(parsed, timestampKey, true);
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requestBody = decryptResult.data;
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requestDecryptStrategy = decryptResult.strategy;
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} catch (e) {
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requestBody = body;
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}
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}
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// 解密响应数据（包含策略信息）
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let responseData = null;
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try {
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if (this.responseText) {
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responseData = JSON.parse(this.responseText);
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}
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} catch (e) {
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responseData = this.responseText || this.response;
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}
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const decryptResult = DecryptStrategies.decrypt(responseData, timestampKey, false);
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const decryptedResponse = decryptResult.data;
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const responseDecryptStrategy = decryptResult.strategy;
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// 记录解密结果
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const decryptedRecord = {
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id: requestId,
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url: url,
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method: method,
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uuid: uuid,
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timestampKey: timestampKey,
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keyStrategy: keyStrategy,
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request: requestBody,
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requestDecryptStrategy: requestDecryptStrategy,
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response: decryptedResponse,
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responseDecryptStrategy: responseDecryptStrategy,
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timestamp: new Date().toISOString()
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};
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// 存储到页面上下文
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decryptedData.addRequest(decryptedRecord);
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// 输出到控制台
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console.group('🔓 XHR 解密 [' + method + '] ' + url);
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console.log('🔑 密钥:', timestampKey, '(策略: ' + keyStrategy + ')');
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if (requestDecryptStrategy) {
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console.log('📤 请求:', requestBody, '(解密策略: ' + requestDecryptStrategy + ')');
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} else {
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console.log('📤 请求:', requestBody);
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}
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if (responseDecryptStrategy) {
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console.log('📥 响应:', decryptedResponse, '(解密策略: ' + responseDecryptStrategy + ')');
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} else {
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console.log('📥 响应:', decryptedResponse);
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}
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console.log('📍 UUID:', uuid);
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console.groupEnd();
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} catch (error) {
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console.error('❌ 解密过程出错:', error);
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}
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});
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return originalSend.apply(this, [body]);
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};
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console.log('✅ [页面上下文] XHR 拦截已设置');
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console.log('✅ [页面上下文] originalOpen 类型:', typeof originalOpen);
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console.log('✅ [页面上下文] XMLHttpRequest.prototype.open:', typeof XMLHttpRequest.prototype.open);
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|
||||
// 验证拦截是否真的生效
|
||||
setTimeout(function() {
|
||||
const testXhr = new XMLHttpRequest();
|
||||
const testOpenStr = testXhr.open.toString();
|
||||
if (testOpenStr.includes('_method')) {
|
||||
console.log('✅ [页面上下文] XHR 拦截验证成功');
|
||||
} else {
|
||||
console.error('❌ [页面上下文] XHR 拦截验证失败，可能被覆盖');
|
||||
console.error(' 当前 open 函数:', testOpenStr.substring(0, 100));
|
||||
}
|
||||
}, 500);
|
||||
})();
|
||||
|
||||
// ========== 拦截 Fetch ==========
|
||||
// 必须在页面脚本运行前拦截
|
||||
(function() {
|
||||
if (typeof fetch === 'undefined' || !window.fetch) {
|
||||
console.warn('⚠️ [页面上下文] fetch 未定义');
|
||||
return;
|
||||
}
|
||||
|
||||
// 保存原始函数
|
||||
const originalFetch = window.fetch;
|
||||
|
||||
// 检查是否已经被拦截过
|
||||
const fetchStr = originalFetch.toString();
|
||||
if (fetchStr.includes('clonedResponse') || fetchStr.includes('__XHR_DECRYPT')) {
|
||||
console.log('⚠️ [页面上下文] Fetch 可能已被其他脚本拦截');
|
||||
}
|
||||
|
||||
window.fetch = function(...args) {
|
||||
const [url, options = {}] = args;
|
||||
const method = options.method || 'GET';
|
||||
const requestId = Date.now() + Math.random();
|
||||
const shouldSkip = skipDecryptPaths.some(path => url.includes(path));
|
||||
const originalBody = options.body;
|
||||
|
||||
console.log('🔍 [页面上下文] 拦截 Fetch:', method, url);
|
||||
|
||||
return originalFetch.apply(this, args).then(async (response) => {
|
||||
if (shouldSkip) return response;
|
||||
|
||||
try {
|
||||
const clonedResponse = response.clone();
|
||||
const uuid = clonedResponse.headers.get('uuid');
|
||||
|
||||
if (!uuid) {
|
||||
return response;
|
||||
}
|
||||
|
||||
const headers = options.headers || {};
|
||||
const timestamp = headers.time || headers.Time || '';
|
||||
const traceId = headers.TraceId || headers['trace-id'] || '';
|
||||
|
||||
// 获取密钥（包含策略信息）
|
||||
const keyResult = KeyGetStrategies.getKey(url, uuid, { time: timestamp, TraceId: traceId });
|
||||
if (!keyResult || !keyResult.key) {
|
||||
console.warn('无法获取密钥 (Fetch)', { url, uuid });
|
||||
return response;
|
||||
}
|
||||
const timestampKey = keyResult.key;
|
||||
const keyStrategy = keyResult.strategy;
|
||||
|
||||
// 解密请求数据（包含策略信息）
|
||||
let requestBody = null;
|
||||
let requestDecryptStrategy = null;
|
||||
if (originalBody) {
|
||||
try {
|
||||
if (typeof originalBody === 'string') {
|
||||
const parsed = JSON.parse(originalBody);
|
||||
const decryptResult = DecryptStrategies.decrypt(parsed, timestampKey, true);
|
||||
requestBody = decryptResult.data;
|
||||
requestDecryptStrategy = decryptResult.strategy;
|
||||
} else {
|
||||
requestBody = originalBody;
|
||||
}
|
||||
} catch (e) {
|
||||
requestBody = originalBody;
|
||||
}
|
||||
}
|
||||
|
||||
// 解密响应数据（包含策略信息）
|
||||
let responseData = null;
|
||||
try {
|
||||
const text = await clonedResponse.text();
|
||||
if (text) {
|
||||
try {
|
||||
responseData = JSON.parse(text);
|
||||
} catch (e) {
|
||||
responseData = text;
|
||||
}
|
||||
}
|
||||
} catch (e) {
|
||||
console.error('读取响应数据失败:', e);
|
||||
}
|
||||
|
||||
const decryptResult = DecryptStrategies.decrypt(responseData, timestampKey, false);
|
||||
const decryptedResponse = decryptResult.data;
|
||||
const responseDecryptStrategy = decryptResult.strategy;
|
||||
|
||||
// 记录解密结果
|
||||
const decryptedRecord = {
|
||||
id: requestId,
|
||||
url: url,
|
||||
method: method,
|
||||
uuid: uuid,
|
||||
timestampKey: timestampKey,
|
||||
keyStrategy: keyStrategy,
|
||||
request: requestBody,
|
||||
requestDecryptStrategy: requestDecryptStrategy,
|
||||
response: decryptedResponse,
|
||||
responseDecryptStrategy: responseDecryptStrategy,
|
||||
timestamp: new Date().toISOString()
|
||||
};
|
||||
|
||||
// 存储到页面上下文
|
||||
decryptedData.addRequest(decryptedRecord);
|
||||
|
||||
// 输出到控制台
|
||||
console.group('🔓 Fetch 解密 [' + method + '] ' + url);
|
||||
console.log('🔑 密钥:', timestampKey, '(策略: ' + keyStrategy + ')');
|
||||
if (requestDecryptStrategy) {
|
||||
console.log('📤 请求:', requestBody, '(解密策略: ' + requestDecryptStrategy + ')');
|
||||
} else {
|
||||
console.log('📤 请求:', requestBody);
|
||||
}
|
||||
if (responseDecryptStrategy) {
|
||||
console.log('📥 响应:', decryptedResponse, '(解密策略: ' + responseDecryptStrategy + ')');
|
||||
} else {
|
||||
console.log('📥 响应:', decryptedResponse);
|
||||
}
|
||||
console.log('📍 UUID:', uuid);
|
||||
console.groupEnd();
|
||||
|
||||
} catch (error) {
|
||||
console.error('❌ Fetch 解密过程出错:', error);
|
||||
}
|
||||
|
||||
return response;
|
||||
}).catch((error) => {
|
||||
console.error('❌ Fetch 请求失败:', error);
|
||||
return Promise.reject(error);
|
||||
});
|
||||
};
|
||||
|
||||
console.log('✅ [页面上下文] Fetch 拦截已设置');
|
||||
console.log('✅ [页面上下文] originalFetch 类型:', typeof originalFetch);
|
||||
console.log('✅ [页面上下文] window.fetch:', typeof window.fetch);
|
||||
|
||||
// 验证拦截是否真的生效
|
||||
setTimeout(function() {
|
||||
const fetchStr = window.fetch.toString();
|
||||
if (fetchStr.includes('clonedResponse') || fetchStr.includes('requestId')) {
|
||||
console.log('✅ [页面上下文] Fetch 拦截验证成功');
|
||||
} else {
|
||||
console.error('❌ [页面上下文] Fetch 拦截验证失败，可能被覆盖');
|
||||
console.error(' 当前 fetch 函数:', fetchStr.substring(0, 100));
|
||||
}
|
||||
}, 500);
|
||||
})();
|
||||
|
||||
// 暴露 API 供 DevTools 面板使用
|
||||
window.__XHR_DECRYPT_EXTENSION__ = {
|
||||
getDecryptedRequests: function() {
|
||||
return decryptedData.getRequests();
|
||||
},
|
||||
clearDecryptedRequests: function() {
|
||||
decryptedData.clear();
|
||||
console.log('✅ 已清空解密记录');
|
||||
}
|
||||
};
|
||||
|
||||
console.log('✅ [页面上下文] 拦截脚本初始化完成');
|
||||
console.log('✅ [页面上下文] 已拦截 XHR:', typeof XMLHttpRequest !== 'undefined');
|
||||
console.log('✅ [页面上下文] 已拦截 Fetch:', typeof fetch !== 'undefined');
|
||||
|
||||
// 测试一下拦截是否真的工作
|
||||
setTimeout(function() {
|
||||
console.log('🧪 [页面上下文] 测试：检查拦截状态');
|
||||
console.log('🧪 [页面上下文] XMLHttpRequest.prototype.open:', typeof XMLHttpRequest.prototype.open);
|
||||
console.log('🧪 [页面上下文] window.fetch:', typeof window.fetch);
|
||||
|
||||
// 尝试创建一个测试请求（仅用于验证）
|
||||
try {
|
||||
const testXhr = new XMLHttpRequest();
|
||||
console.log('🧪 [页面上下文] 测试：可以创建 XMLHttpRequest 实例');
|
||||
} catch (e) {
|
||||
console.error('🧪 [页面上下文] 测试：无法创建 XMLHttpRequest:', e);
|
||||
}
|
||||
}, 1000);
|
||||
})();
|
||||
`;
|
||||
|
||||
// 注入到页面上下文
|
||||
// 必须在页面脚本运行之前注入，否则无法拦截
|
||||
function injectToPage() {
|
||||
try {
|
||||
// 方式1：尝试注入到 head
|
||||
if (document.head) {
|
||||
document.head.appendChild(script.cloneNode(true));
|
||||
console.log('✅ 拦截脚本已注入到 head');
|
||||
return;
|
||||
}
|
||||
|
||||
// 方式2：注入到 documentElement
|
||||
if (document.documentElement) {
|
||||
document.documentElement.appendChild(script.cloneNode(true));
|
||||
console.log('✅ 拦截脚本已注入到 documentElement');
|
||||
return;
|
||||
}
|
||||
|
||||
// 方式3：如果都不行，等待 DOM 加载
|
||||
console.warn('⚠️ DOM 未准备好，等待加载...');
|
||||
const checkInterval = setInterval(function () {
|
||||
if (document.head || document.documentElement) {
|
||||
clearInterval(checkInterval);
|
||||
injectToPage();
|
||||
}
|
||||
}, 50);
|
||||
|
||||
// 超时保护
|
||||
setTimeout(function () {
|
||||
clearInterval(checkInterval);
|
||||
console.error('❌ 注入超时，DOM 可能无法加载');
|
||||
}, 5000);
|
||||
|
||||
} catch (e) {
|
||||
console.error('❌ 注入脚本失败:', e);
|
||||
}
|
||||
}
|
||||
|
||||
// 立即尝试注入（不等待）
|
||||
try {
|
||||
// 如果 DOM 已准备好，立即注入
|
||||
if (document.head || document.documentElement) {
|
||||
injectToPage();
|
||||
} else {
|
||||
// 如果还没准备好，使用多种方式等待
|
||||
console.log('⏳ DOM 未准备好，准备注入...');
|
||||
|
||||
// 方式1：等待 DOMContentLoaded
|
||||
if (document.readyState === 'loading') {
|
||||
document.addEventListener('DOMContentLoaded', function () {
|
||||
console.log('📄 DOMContentLoaded 触发，开始注入');
|
||||
injectToPage();
|
||||
}, { once: true });
|
||||
}
|
||||
|
||||
// 方式2：也尝试立即注入（某些浏览器允许）
|
||||
setTimeout(function () {
|
||||
if (document.head || document.documentElement) {
|
||||
console.log('⏱️ 延迟注入尝试');
|
||||
injectToPage();
|
||||
}
|
||||
}, 0);
|
||||
|
||||
// 方式3：监听 readystatechange
|
||||
document.addEventListener('readystatechange', function () {
|
||||
if (document.readyState !== 'loading') {
|
||||
console.log('📄 readystatechange 触发，readyState:', document.readyState);
|
||||
injectToPage();
|
||||
}
|
||||
}, { once: true });
|
||||
}
|
||||
} catch (e) {
|
||||
console.error('❌ 注入过程出错:', e);
|
||||
}
|
||||
|
||||
// 在 Content Script 中监听来自页面上下文的事件
|
||||
window.addEventListener('__XHR_DECRYPTED__', function (event) {
|
||||
if (event.detail) {
|
||||
decryptedRequests.push(event.detail);
|
||||
if (decryptedRequests.length > 100) {
|
||||
decryptedRequests.shift();
|
||||
}
|
||||
|
||||
// 发送到 background
|
||||
if (typeof chrome !== 'undefined' && chrome.runtime) {
|
||||
chrome.runtime.sendMessage({
|
||||
type: 'DECRYPTED_REQUEST',
|
||||
data: event.detail
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
// 监听来自 popup 的消息
|
||||
if (typeof chrome !== 'undefined' && chrome.runtime && chrome.runtime.onMessage) {
|
||||
chrome.runtime.onMessage.addListener(function (message, sender, sendResponse) {
|
||||
if (message.action === 'getDecryptedRequests') {
|
||||
// 直接返回 content script 中存储的数据
|
||||
// content script 会从页面事件中接收更新
|
||||
sendResponse({ data: decryptedRequests });
|
||||
return true;
|
||||
} else if (message.action === 'clearDecryptedRequests') {
|
||||
decryptedRequests = [];
|
||||
// 清除页面上下文的记录
|
||||
const clearScript = document.createElement('script');
|
||||
clearScript.textContent = `
|
||||
(function() {
|
||||
if (window.__XHR_DECRYPT_EXTENSION__) {
|
||||
window.__XHR_DECRYPT_EXTENSION__.clearDecryptedRequests();
|
||||
}
|
||||
})();
|
||||
`;
|
||||
document.documentElement.appendChild(clearScript);
|
||||
clearScript.remove();
|
||||
sendResponse({ success: true });
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// 暴露 API 供 popup 使用（Content Script 上下文）
|
||||
window.__XHR_DECRYPT_EXTENSION__ = {
|
||||
getDecryptedRequests: function () {
|
||||
// 返回 content script 中存储的数据
|
||||
return decryptedRequests;
|
||||
},
|
||||
clearDecryptedRequests: function () {
|
||||
decryptedRequests = [];
|
||||
// 清除页面上下文的记录
|
||||
const clearScript = document.createElement('script');
|
||||
clearScript.textContent = `
|
||||
(function() {
|
||||
if (window.__XHR_DECRYPT_EXTENSION__) {
|
||||
window.__XHR_DECRYPT_EXTENSION__.clearDecryptedRequests();
|
||||
}
|
||||
})();
|
||||
`;
|
||||
document.documentElement.appendChild(clearScript);
|
||||
clearScript.remove();
|
||||
}
|
||||
};
|
||||
|
||||
console.log('✅ Content Script 已启动');
|
||||
console.log('📊 Content Script 当前记录数:', decryptedRequests.length);
|
||||
console.log('📊 Content Script document.readyState:', document.readyState);
|
||||
console.log('📊 Content Script 准备注入拦截脚本...');
|
||||
console.log('📊 Content Script window.location:', window.location.href);
|
||||
|
||||
// 立即检查是否已经注入成功（某些情况下可能已经注入）
|
||||
try {
|
||||
const testScript = document.createElement('script');
|
||||
testScript.textContent = `
|
||||
(function() {
|
||||
if (window.__XHR_DECRYPT_EXTENSION__) {
|
||||
console.log('✅ [页面上下文] 拦截对象已存在');
|
||||
} else {
|
||||
console.warn('⚠️ [页面上下文] 拦截对象不存在');
|
||||
}
|
||||
|
||||
if (window.__XHR_DECRYPT_DATA__) {
|
||||
console.log('✅ [页面上下文] 数据对象已存在');
|
||||
} else {
|
||||
console.warn('⚠️ [页面上下文] 数据对象不存在');
|
||||
}
|
||||
})();
|
||||
`;
|
||||
if (document.head || document.documentElement) {
|
||||
(document.head || document.documentElement).appendChild(testScript);
|
||||
testScript.remove();
|
||||
}
|
||||
} catch (e) {
|
||||
console.error('❌ 检查注入状态失败:', e);
|
||||
}
|
||||
|
||||
// 延迟检查注入是否成功
|
||||
setTimeout(function () {
|
||||
// 通过 DevTools API 检查
|
||||
if (typeof chrome !== 'undefined' && chrome.devtools && chrome.devtools.inspectedWindow) {
|
||||
chrome.devtools.inspectedWindow.eval('typeof window.__XHR_DECRYPT_EXTENSION__', function (result, isException) {
|
||||
if (isException) {
|
||||
console.warn('⚠️ 无法访问页面上下文，可能注入失败。错误:', result);
|
||||
} else {
|
||||
if (result === 'object') {
|
||||
console.log('✅ 拦截脚本注入成功，页面上下文对象存在');
|
||||
} else {
|
||||
console.warn('⚠️ 拦截脚本可能未注入成功，页面上下文对象类型:', result);
|
||||
}
|
||||
}
|
||||
});
|
||||
} else {
|
||||
// 如果没有 DevTools，使用其他方式检查
|
||||
const checkScript = document.createElement('script');
|
||||
checkScript.textContent = `
|
||||
(function() {
|
||||
console.log('🔍 [页面上下文] 检查拦截状态...');
|
||||
console.log('🔍 [页面上下文] __XHR_DECRYPT_EXTENSION__:', typeof window.__XHR_DECRYPT_EXTENSION__);
|
||||
console.log('🔍 [页面上下文] __XHR_DECRYPT_DATA__:', typeof window.__XHR_DECRYPT_DATA__);
|
||||
console.log('🔍 [页面上下文] XMLHttpRequest:', typeof XMLHttpRequest);
|
||||
console.log('🔍 [页面上下文] fetch:', typeof fetch);
|
||||
|
||||
// 检查拦截是否真的工作
|
||||
if (XMLHttpRequest.prototype.open.toString().includes('_method')) {
|
||||
console.log('✅ [页面上下文] XHR 拦截已生效');
|
||||
} else {
|
||||
console.warn('⚠️ [页面上下文] XHR 拦截可能未生效');
|
||||
}
|
||||
|
||||
if (window.fetch.toString().includes('clonedResponse') || window.fetch.toString().includes('requestId')) {
|
||||
console.log('✅ [页面上下文] Fetch 拦截已生效');
|
||||
} else {
|
||||
console.warn('⚠️ [页面上下文] Fetch 拦截可能未生效');
|
||||
}
|
||||
})();
|
||||
`;
|
||||
if (document.head || document.documentElement) {
|
||||
(document.head || document.documentElement).appendChild(checkScript);
|
||||
checkScript.remove();
|
||||
}
|
||||
}
|
||||
}, 3000);
|
||||
}) ();
|
||||
Reference in New Issue
Block a user