643 lines
21 KiB
TypeScript
643 lines
21 KiB
TypeScript
import type { ComponentInternalInstance, Plugin, App } from 'vue';
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/**
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* 全局文本混淆插件
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* 自动查找并替换所有文本节点
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*/
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// 修改Vue混淆插件以确保处理整个组件树
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export const TextObfuscatorPlugin: Plugin = {
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install(app: App) {
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// 安装全局样式和解码脚本
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addObfuscationStyle();
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// 注册全局指令，直接处理元素内容
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app.directive('odata', {
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mounted(el) {
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processTextNodes(el, null);
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if (window.decodeObfuscatedContent) {
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setTimeout(() => window.decodeObfuscatedContent(el), 0);
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}
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setupMutationObserver(el);
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},
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updated(el) {
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processTextNodes(el, null);
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if (window.decodeObfuscatedContent) {
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setTimeout(() => window.decodeObfuscatedContent(el), 0);
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}
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}
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});
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// 在 app.mixin 中修改处理 $el 的部分
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app.mixin({
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mounted() {
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// 安全地获取组件的根元素(s)
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const rootElements = this.$el ?
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(this.$el.nodeType === Node.ELEMENT_NODE ?
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[this.$el] :
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(Array.isArray(this.$el) ? this.$el : [])) :
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[];
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// 处理每个根元素
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rootElements.forEach((rootElement: Element) => {
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if (!rootElement || !(rootElement instanceof Element)) return;
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// 1. 首先处理当前组件的根元素
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processTextNodes(rootElement, this);
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// 2. 递归处理所有子元素，确保覆盖所有文本节点
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const processAllChildNodes = (element: Element) => {
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if (!(element instanceof Element)) return;
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try {
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// 为每个子元素单独处理文本节点
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const childElements = element.querySelectorAll('*');
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childElements.forEach(childEl => {
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processTextNodes(childEl, null);
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});
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// 立即解码当前处理的元素
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if (window.decodeObfuscatedContent) {
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setTimeout(() => window.decodeObfuscatedContent(element), 0);
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}
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} catch (error) {
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console.error('Error processing child nodes:', error, element);
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}
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};
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// 处理整个组件树
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processAllChildNodes(rootElement);
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// 设置监听
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setupMutationObserver(rootElement);
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});
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// 添加：深度扫描所有包含纯文本的元素
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setTimeout(() => {
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const scanPureTextElements = (rootElement: Element) => {
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// 跳过已处理过的元素
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if (rootElement.hasAttribute && rootElement.hasAttribute('data-obfuscated')) {
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return;
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}
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// 检查是否为包含纯文本的元素（只有文本节点，没有元素节点）
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let hasOnlyTextNodes = false;
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let hasElementNodes = false;
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if (rootElement.childNodes && rootElement.childNodes.length > 0) {
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hasOnlyTextNodes = Array.from(rootElement.childNodes).some(
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node => node.nodeType === Node.TEXT_NODE && node.textContent && node.textContent.trim()
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);
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hasElementNodes = Array.from(rootElement.childNodes).some(
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node => node.nodeType === Node.ELEMENT_NODE
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);
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}
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// 如果元素只包含文本节点，并且不包含其他元素节点，则混淆它
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if (hasOnlyTextNodes && !hasElementNodes &&
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!SKIP_TAGS.includes(rootElement.tagName) &&
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!Array.from(rootElement.classList || []).some(cls => SKIP_CLASSES.includes(cls))) {
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processTextNodes(rootElement, null);
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if (window.decodeObfuscatedContent) {
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window.decodeObfuscatedContent(rootElement);
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}
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}
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// 递归处理子元素
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if (rootElement.children) {
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Array.from(rootElement.children).forEach(child => {
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scanPureTextElements(child);
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});
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}
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};
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// 从body开始扫描
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scanPureTextElements(document.body);
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}, 10); // 给DOM足够的时间渲染
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},
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updated() {
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// 安全地获取组件的根元素(s)
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const rootElements = this.$el ?
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(this.$el.nodeType === Node.ELEMENT_NODE ?
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[this.$el] :
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(Array.isArray(this.$el) ? this.$el : [])) :
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[];
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// 处理每个根元素
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rootElements.forEach((rootElement: Element | undefined) => {
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if (!rootElement || !(rootElement instanceof Element)) return;
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processTextNodes(rootElement, this);
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try {
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// 递归处理所有子元素
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const childElements = rootElement.querySelectorAll('*');
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childElements.forEach((childEl: Element) => {
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processTextNodes(childEl, null);
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});
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if (window.decodeObfuscatedContent) {
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setTimeout(() => window.decodeObfuscatedContent(rootElement), 0);
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}
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} catch (error) {
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console.error('Error processing updated component:', error, rootElement);
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}
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});
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}
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});
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}
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};
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// 声明全局函数类型
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declare global {
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interface Window {
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decodeObfuscatedContent: (rootElement?: Element) => void;
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}
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}
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// 需要跳过的标签
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const SKIP_TAGS = ['SCRIPT', 'STYLE', 'TEXTAREA', 'INPUT', 'PRE', 'CODE'];
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// 需要跳过的类名
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const SKIP_CLASSES = ['no-obfuscate'];
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/**
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* 处理元素中的所有文本节点
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*/
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function processTextNodes(element: Element, instance: ComponentInternalInstance | null) {
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if (!element || element.nodeType !== Node.ELEMENT_NODE) {
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return;
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}
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// 为 DIV 元素增加优先处理逻辑
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if (element.tagName === 'DIV' && !element.hasAttribute('data-obfuscated')) {
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// 对于DIV元素，特殊处理其直接子文本节点
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let hasTextContent = false;
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for (let i = 0; i < element.childNodes.length; i++) {
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const node = element.childNodes[i];
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if (node.nodeType === Node.TEXT_NODE && node.textContent && node.textContent.trim() !== '') {
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hasTextContent = true;
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break;
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}
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}
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// 如果DIV中有直接的文本内容，标记它需要被处理
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if (hasTextContent) {
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// 只处理未混淆过的DIV
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const textContent = Array.from(element.childNodes)
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.filter(node => node.nodeType === Node.TEXT_NODE && node.textContent)
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.map(node => node.textContent).join('').trim();
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if (textContent) {
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// 替换整个DIV的内容
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const originalHTML = element.innerHTML;
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const processedHTML = obfuscateText(textContent);
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element.innerHTML = processedHTML + originalHTML.replace(textContent, '');
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element.setAttribute('data-obfuscated', 'true');
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}
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}
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}
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// 跳过带有特定标记的元素（避免重复处理）
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if (element.hasAttribute('data-obfuscated') ||
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!element ||
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SKIP_TAGS.includes(element.tagName) ||
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Array.from(element.classList).some(cls => SKIP_CLASSES.includes(cls))) {
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return;
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}
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// 使用 TreeWalker 遍历所有文本节点
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const walker = document.createTreeWalker(
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element,
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NodeFilter.SHOW_TEXT,
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{
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acceptNode(node) {
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// 不处理完全空的文本节点
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if (!node.textContent) {
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return NodeFilter.FILTER_REJECT;
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}
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// 检查父节点是否应该被跳过
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const parent = node.parentElement;
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if (parent && (
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SKIP_TAGS.includes(parent.tagName) ||
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parent.hasAttribute('data-obfuscated') ||
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Array.from(parent.classList || []).some(cls => SKIP_CLASSES.includes(cls))
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)) {
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return NodeFilter.FILTER_REJECT;
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}
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// 如果只包含空白且不是段落的首个节点，则跳过
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if (node.textContent.trim() === '' &&
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!(parent?.tagName === 'P' && node === parent.firstChild)) {
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return NodeFilter.FILTER_REJECT;
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}
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return NodeFilter.FILTER_ACCEPT;
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}
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}
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);
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// 收集需要处理的文本节点
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const textNodes: Text[] = [];
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let currentNode: Node | null = walker.nextNode();
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while (currentNode) {
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textNodes.push(currentNode as Text);
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currentNode = walker.nextNode();
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}
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// 预先计算所有混淆内容，减少DOM操作次数
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const fragments: DocumentFragment[] = [];
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const nodesToReplace: Text[] = [];
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// 在处理文本节点前，移除所有前导空格
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for (const textNode of textNodes) {
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const text = textNode.textContent;
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if (!text) continue;
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// 重要修改：检测是否是段落的首个文本节点，无条件移除开头的空白
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let processedText = text;
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if (textNode.parentElement?.tagName === 'P' &&
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textNode === textNode.parentElement.firstChild) {
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// 去除开头的空白，无论什么情况
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processedText = text.replace(/^\s+/, '');
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// 如果去除空白后为空，直接跳过这个节点
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if (!processedText) continue;
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}
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try {
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// 创建文档碎片来存储混淆后的内容
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const fragment = document.createDocumentFragment();
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const tempContainer = document.createElement('div');
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tempContainer.innerHTML = obfuscateText(processedText);
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// 将内容移动到碎片中
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while (tempContainer.firstChild) {
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fragment.appendChild(tempContainer.firstChild);
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}
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fragments.push(fragment);
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nodesToReplace.push(textNode);
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} catch (error) {
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console.error('Error processing text node:', error);
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}
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}
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// 批量替换节点，减少回流
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for (let i = 0; i < nodesToReplace.length; i++) {
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const textNode = nodesToReplace[i];
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const fragment = fragments[i];
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if (textNode.parentNode) {
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textNode.parentNode.replaceChild(fragment, textNode);
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}
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}
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}
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/**
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* 设置 MutationObserver 来监听 DOM 变化
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*/
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function setupMutationObserver(element: Element) {
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if (!element) return;
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const observer = new MutationObserver((mutations) => {
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for (const mutation of mutations) {
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if (mutation.type === 'childList' && mutation.addedNodes.length) {
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mutation.addedNodes.forEach((node) => {
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if (node.nodeType === Node.ELEMENT_NODE) {
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processTextNodes(node as Element, null);
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// 观察到新元素后立即解码
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if (window.decodeObfuscatedContent) {
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window.decodeObfuscatedContent(node as Element);
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}
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}
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});
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}
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}
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});
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observer.observe(element, {
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childList: true,
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subtree: true
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});
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}
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/**
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* 生成随机噪声标签和注释
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*/
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function getRandomNoise() {
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const noiseTypes = [
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// HTML注释
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() => `<!--${Math.random().toString(36).substring(2, 6)}-->`,
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// 空的自定义元素
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() => {
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const tags = ['z-nil', 'z-void', 'z-null', 'z-fake', 'z-empty'];
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const tag = tags[Math.floor(Math.random() * tags.length)];
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return `<${tag}></${tag}>`;
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},
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// 带随机属性的自定义元素
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() => {
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const attr = `data-${Math.random().toString(36).substring(2, 7)}`;
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const value = Math.random().toString(36).substring(2, 10);
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return `<z-attr ${attr}="${value}"></z-attr>`;
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},
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// 带随机文本的隐藏元素
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() => {
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const text = Math.random().toString(36).substring(2, 8);
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return `<z-text>${text}</z-text>`;
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}
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];
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// 随机选择一种噪声类型
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const noiseGenerator = noiseTypes[Math.floor(Math.random() * noiseTypes.length)];
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return noiseGenerator();
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}
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/**
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* 混淆文本 - 将文本拆分成单词并分别存储，使用自定义z-标签
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*/
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function obfuscateText(text: string): string {
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if (!text) return '';
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// 首先移除文本开头的所有空白字符以解决段落首行缩进问题
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text = text.replace(/^\s+/, '');
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if (!text) return '';
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// 使用正则表达式将文本拆分为单词和空格，保持完整性
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const words = text.split(/(\s+)/);
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let result = '<z-wrap data-obfuscated="true">';
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// 过滤掉空字符串，避免生成空的z-span元素
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const filteredWords = words.filter(word => word.length > 0);
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// 为每个单词创建一个独立的自定义元素
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filteredWords.forEach((word, index) => {
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// 对空格和特殊字符进行特殊处理
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if (/^\s+$/.test(word)) {
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// 改进：更精确地处理各种换行符
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if (/[\n\r]/.test(word)) {
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// 将所有类型的换行符分割出来，但仅在实际有换行符时才添加z-break元素
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result += '<z-break></z-break>';
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} else {
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// 纯空格的情况 - 对连续空格合并处理，避免添加过多z-space
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result += '<z-space></z-space>';
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}
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return;
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}
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// 随机在单词前添加噪声，但减少频率
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if (Math.random() > 0.85) {
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result += getRandomNoise();
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}
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// 为了提高效率，固定属性名
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const attrId = `data`;
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// 将单词编码为Base64
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const encodedWord = btoa(encodeURIComponent(word));
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// 随机选择z-span或z-strong标签增加混淆度
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const tagName = Math.random() > 0.5 ? 'z-span' : 'z-strong';
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// 添加标签开始部分
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result += `<${tagName} data-${attrId}="${encodedWord}" data-preload="true">`;
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// 随机在标签内添加隐藏内容，但减少频率
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if (Math.random() > 0.8) {
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const fakeText = Math.random().toString(36).substring(2, 5 + Math.floor(Math.random() * 5));
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result += `<z-hidden>${fakeText}</z-hidden>`;
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}
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// 闭合标签
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result += `</${tagName}>`;
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// 随机在单词后添加噪声，但减少频率
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if (Math.random() > 0.85) {
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result += getRandomNoise();
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}
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});
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result += '</z-wrap>';
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return result;
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}
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/**
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* 添加显示混淆内容的样式和解码脚本
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*/
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function addObfuscationStyle() {
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// 添加样式
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if (!document.getElementById('obfuscation-style')) {
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const style = document.createElement('style');
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style.id = 'obfuscation-style';
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style.textContent = `
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/* 自定义元素基本样式 */
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z-wrap {
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display: inline;
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white-space: normal;
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user-select: none; /* 阻止文本选择 */
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text-indent: 0 !important; /* 确保无缩进 */
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}
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/* 添加一个类来允许选择文本的情况 */
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.allow-select z-wrap {
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user-select: text;
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}
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/* 确保段落中的混淆内容没有开头缩进 */
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p > z-wrap:first-child {
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text-indent: 0 !important;
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margin-left: 0 !important;
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padding-left: 0 !important;
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}
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/* 处理所有p标签，确保没有多余空间 */
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p {
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text-indent: 0;
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}
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z-span, z-strong {
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display: inline-block;
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position: relative;
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opacity: 1;
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transition: opacity 0.1s ease;
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margin: 0;
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padding: 0;
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}
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/* 控制右侧间距 */
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z-span + z-span, z-strong + z-strong, z-span + z-strong, z-strong + z-span {
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margin-left: 0.1em;
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}
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/* 移除最后一个元素的右侧间距 */
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z-span:last-child, z-strong:last-child {
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margin-right: 0;
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}
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z-span::after, z-strong::after {
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content: attr(data-content);
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position: relative;
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pointer-events: none;
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}
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/* 空格元素 - 精确控制宽度 */
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z-space {
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display: inline-block;
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width: 0.25em;
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margin: 0;
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padding: 0;
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}
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||
/* 空的z-span/z-strong元素不应该显示 */
|
||
z-span:not([data-content]), z-strong:not([data-content]) {
|
||
display: none;
|
||
}
|
||
|
||
/* 换行元素 - 强制换行且完全没有尺寸 */
|
||
z-break {
|
||
display: block !important;
|
||
height: 0 !important;
|
||
width: 0 !important;
|
||
margin: 0 !important;
|
||
padding: 0 !important;
|
||
border: none !important;
|
||
line-height: 0 !important;
|
||
font-size: 0 !important;
|
||
overflow: hidden !important;
|
||
}
|
||
|
||
/* 隐藏所有噪声元素 */
|
||
z-nil, z-void, z-null, z-fake, z-empty, z-attr, z-text, z-hidden {
|
||
display: none;
|
||
width: 0;
|
||
height: 0;
|
||
opacity: 0;
|
||
overflow: hidden;
|
||
position: absolute;
|
||
visibility: hidden;
|
||
}
|
||
|
||
/* 预加载状态 */
|
||
[data-preload="true"] {
|
||
min-width: 0.5em;
|
||
min-height: 1em;
|
||
}
|
||
`;
|
||
document.head.appendChild(style);
|
||
}
|
||
|
||
// 添加自定义元素注册，确保所有浏览器都能正确处理
|
||
const scriptCustomElements = document.createElement('script');
|
||
scriptCustomElements.textContent = `
|
||
// 注册所有自定义元素
|
||
if ('customElements' in window) {
|
||
customElements.define('z-wrap', class extends HTMLElement {});
|
||
customElements.define('z-span', class extends HTMLElement {});
|
||
customElements.define('z-strong', class extends HTMLElement {});
|
||
customElements.define('z-space', class extends HTMLElement {});
|
||
customElements.define('z-break', class extends HTMLElement {});
|
||
|
||
// 注册噪声元素
|
||
customElements.define('z-nil', class extends HTMLElement {});
|
||
customElements.define('z-void', class extends HTMLElement {});
|
||
customElements.define('z-null', class extends HTMLElement {});
|
||
customElements.define('z-fake', class extends HTMLElement {});
|
||
customElements.define('z-empty', class extends HTMLElement {});
|
||
customElements.define('z-attr', class extends HTMLElement {});
|
||
customElements.define('z-text', class extends HTMLElement {});
|
||
customElements.define('z-hidden', class extends HTMLElement {});
|
||
}
|
||
`;
|
||
document.head.appendChild(scriptCustomElements);
|
||
|
||
// 添加提前解码的脚本，放在<head>顶部优先加载
|
||
if (!document.getElementById('obfuscation-script')) {
|
||
const script = document.createElement('script');
|
||
script.id = 'obfuscation-script';
|
||
script.textContent = `
|
||
(function() {
|
||
// 定义解码函数并暴露为全局函数
|
||
window.decodeObfuscatedContent = function(rootElement) {
|
||
const root = rootElement || document.body;
|
||
const elements = root.querySelectorAll('z-span[data-preload="true"], z-strong[data-preload="true"]');
|
||
|
||
if (elements.length === 0) return;
|
||
|
||
// 使用requestIdleCallback或setTimeout在空闲时运行，避免阻塞渲染
|
||
const runWhenIdle = window.requestIdleCallback ||
|
||
function(cb) { setTimeout(cb, 1); };
|
||
|
||
runWhenIdle(() => {
|
||
elements.forEach(el => {
|
||
// 避免重复解码
|
||
if (el.hasAttribute('data-content')) return;
|
||
|
||
// 找到编码数据
|
||
const dataAttr = el.getAttribute('data-data');
|
||
if (dataAttr) {
|
||
try {
|
||
// 解码并设置
|
||
const decodedWord = decodeURIComponent(atob(dataAttr));
|
||
el.setAttribute('data-content', decodedWord);
|
||
el.removeAttribute('data-preload');
|
||
} catch (e) {
|
||
// 解码失败时跳过
|
||
}
|
||
}
|
||
});
|
||
});
|
||
};
|
||
|
||
// 页面加载完成后立即执行一次全局解码
|
||
if (document.readyState === 'loading') {
|
||
document.addEventListener('DOMContentLoaded', function() {
|
||
window.decodeObfuscatedContent();
|
||
});
|
||
} else {
|
||
window.decodeObfuscatedContent();
|
||
}
|
||
|
||
// 使用IntersectionObserver优化解码性能
|
||
if ('IntersectionObserver' in window) {
|
||
const decodeObserver = new IntersectionObserver(
|
||
(entries, observer) => {
|
||
entries.forEach(entry => {
|
||
if (entry.isIntersecting) {
|
||
// 容器进入视口时解码其内容
|
||
window.decodeObfuscatedContent(entry.target);
|
||
observer.unobserve(entry.target);
|
||
}
|
||
});
|
||
},
|
||
{ rootMargin: '200px 0px' } // 提前200像素开始解码
|
||
);
|
||
|
||
// 监听所有混淆容器
|
||
function observeContainers() {
|
||
document.querySelectorAll('z-wrap').forEach(container => {
|
||
decodeObserver.observe(container);
|
||
});
|
||
}
|
||
|
||
// 初始观察
|
||
if (document.readyState === 'loading') {
|
||
document.addEventListener('DOMContentLoaded', observeContainers);
|
||
} else {
|
||
observeContainers();
|
||
}
|
||
|
||
// 定期检查新容器
|
||
setInterval(observeContainers, 2000);
|
||
} else {
|
||
// 降级方案：定期全局检查
|
||
setInterval(() => window.decodeObfuscatedContent(), 1000);
|
||
}
|
||
})();
|
||
`;
|
||
|
||
// 将脚本添加到head的最前面，确保尽早加载
|
||
if (document.head.firstChild) {
|
||
document.head.insertBefore(script, document.head.firstChild);
|
||
} else {
|
||
document.head.appendChild(script);
|
||
}
|
||
}
|
||
} |