Update server.js

server.js

@@ -8,7 +8,7 @@ const app = express();
 const PORT = 7860;
 
 // 中间件
-app.use(express.json({ limit: '10mb' }));
+app.use(express.json({ limit: '40mb' }));
 app.use(express.static('.'));
 
 // CORS支持
@@ -23,226 +23,83 @@ app.use((req, res, next) => {
     }
 });
 
-// 生成PDF的API端点
-app.post('/api/generate-pdf', async (req, res) => {
-    let browser = null;
-    
-    try {
-        console.log('开始生成PDF...');
-        const { pages, filename = 'mathdrills.pdf' } = req.body;
-        
-        if (!pages || !Array.isArray(pages) || pages.length === 0) {
-            return res.status(400).json({ error: '没有提供页面数据' });
-        }
-        
-        console.log(`收到 ${pages.length} 页数据`);
-        
-        // 启动Puppeteer
-        browser = await puppeteer.launch({
-            executablePath: '/opt/google/chrome/chrome',
-            headless: 'new',
-            args: [
-                '--no-sandbox',
-                '--disable-setuid-sandbox',
-                '--disable-dev-shm-usage',
-                '--disable-accelerated-2d-canvas',
-                '--no-first-run',
-                '--no-zygote',
-                '--disable-gpu'
-            ]
-        });
-        
-        const page = await browser.newPage();
-        
-        // 设置页面尺寸为A4
-        await page.setViewport({
-            width: 794,  // A4宽度 (210mm at 96dpi)
-            height: 1123, // A4高度 (297mm at 96dpi)
-            deviceScaleFactor: 2
-        });
-        
-        // 创建完整的HTML文档
-        const htmlContent = generateHTMLDocument(pages);
-        
-        // 设置页面内容
-        await page.setContent(htmlContent, {
-            waitUntil: ['networkidle0', 'domcontentloaded'],
-            timeout: 30000
-        });
-        
-        // 等待字体和图片加载
-        await page.evaluateHandle('document.fonts.ready');
-        await new Promise(resolve => setTimeout(resolve, 2000));
-        
-        console.log('开始生成PDF...');
-        
-        // 生成PDF
-        const pdfBuffer = await page.pdf({
-            format: 'A4',
-            printBackground: true,
-            margin: {
-                top: '10mm',
-                right: '10mm',
-                bottom: '10mm',
-                left: '10mm'
-            },
-            preferCSSPageSize: true
-        });
-        
-        console.log(`PDF生成成功，大小: ${pdfBuffer.length} bytes`);
-        
-        // 设置响应头
-        res.setHeader('Content-Type', 'application/pdf');
-
-        // 对文件名进行URL编码以支持中文
-        const encodedFilename = encodeURIComponent(filename);
-        res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodedFilename}`);
-        res.setHeader('Content-Length', pdfBuffer.length);
-        
-        // 发送PDF
-        res.send(pdfBuffer);
-        
-    } catch (error) {
-        console.error('PDF生成失败:', error);
-        res.status(500).json({ 
-            error: 'PDF生成失败', 
-            message: error.message 
-        });
-    } finally {
-        if (browser) {
-            await browser.close();
-        }
-    }
-});
+async function captureHTML(url) {
+  let browser;
+  try {
+    browser = await puppeteer.launch({
+      executablePath: "/opt/google/chrome/chrome", // adjust if needed
+      headless: "new",
+      args: [
+        "--no-sandbox",
+        "--disable-setuid-sandbox",
+        "--disable-web-security",
+        "--disable-gpu",
+        "--no-zygote",
+      ],
+    });
 
-// 生成图片的API端点
-app.post('/api/generate-images', async (req, res) => {
-    let browser = null;
-    
-    try {
-        console.log('开始生成图片...');
-        const { pages } = req.body;
-        
-        if (!pages || !Array.isArray(pages) || pages.length === 0) {
-            return res.status(400).json({ error: '没有提供页面数据' });
-        }
-        
-        console.log(`收到 ${pages.length} 页数据`);
-        
-        // 启动Puppeteer
-        browser = await puppeteer.launch({
-            executablePath: '/opt/google/chrome/chrome',
-            headless: 'new',
-            args: ['--no-sandbox', '--disable-setuid-sandbox']
-        });
-        
-        const images = [];
-        
-        for (let i = 0; i < pages.length; i++) {
-            console.log(`处理第 ${i + 1}/${pages.length} 页...`);
-            
-            const page = await browser.newPage();
-            
-            // 设置页面尺寸
-            await page.setViewport({
-                width: 794,
-                height: 1123,
-                deviceScaleFactor: 2
-            });
-            
-            // 创建单页HTML
-            const htmlContent = generateHTMLDocument([pages[i]]);
-            
-            await page.setContent(htmlContent, {
-                waitUntil: ['networkidle0', 'domcontentloaded'],
-                timeout: 30000
-            });
-            
-            await page.evaluateHandle('document.fonts.ready');
-            await new Promise(resolve => setTimeout(resolve, 1000));
-            
-            // 截图
-            const screenshot = await page.screenshot({
-                type: 'png',
-                fullPage: true,
-                omitBackground: false
-            });
-            
-            images.push({
-                index: i + 1,
-                data: screenshot.toString('base64'),
-                filename: `mathdrills_page_${i + 1}.png`
-            });
-            
-            await page.close();
-        }
-        
-        console.log(`所有图片生成完成`);
-        res.json({ images });
-        
-    } catch (error) {
-        console.error('图片生成失败:', error);
-        res.status(500).json({ 
-            error: '图片生成失败', 
-            message: error.message 
-        });
-    } finally {
-        if (browser) {
-            await browser.close();
+    const page = await browser.newPage();
+
+    await page.setUserAgent(
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 " +
+        "(KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
+    );
+
+    await page.evaluateOnNewDocument(() => {
+      Object.defineProperty(navigator, "webdriver", { get: () => false });
+      Object.defineProperty(navigator, "plugins", { get: () => [1, 2, 3] });
+      Object.defineProperty(navigator, "languages", { get: () => ["en-US", "en"] });
+      window.chrome = { runtime: {} };
+    });
+
+    await page.evaluateOnNewDocument(() => {
+      const metas = document.getElementsByTagName("meta");
+      for (let i = metas.length - 1; i >= 0; i--) {
+        if (metas[i].httpEquiv && metas[i].httpEquiv.toLowerCase() === "refresh") {
+          metas[i].remove();
         }
-    }
-});
+      }
+    });
+
+    await page.setRequestInterception(true);
+    page.on("request", (request) => {
+      const reqUrl = request.url();
+      if (reqUrl.includes("disable-devtool") || reqUrl.includes("shoagloumtoamir.net")) {
+        request.abort();
+      } else {
+        request.continue();
+      }
+    });
+
+    await page.goto(url, { waitUntil: "load", timeout: 60000 });
+
+    await page.waitForNetworkIdle();
+
+    const html = await page.content();
 
-// 生成完整的HTML文档
-function generateHTMLDocument(pages) {
-    const cssContent = fs.readFileSync('./styles/pdf-styles.css', 'utf8');
-    const pagesHTML = pages.map(pageData => pageData.html).join('');
-    const baseURL = `http://localhost:${PORT}`;
-
-    return `
-    <!DOCTYPE html>
-    <html lang="zh">
-    <head>
-        <meta charset="UTF-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1.0">
-        <title>数学练习题</title>
-        <base href="${baseURL}">
-        <style>
-            ${cssContent}
-            
-            /* Puppeteer 优化样式 */
-            body {
-                margin: 0 !important;
-                padding: 0 !important;
-                background: white !important;
-                font-family: 'Source Han Sans SC VF', 'Arial', 'Microsoft YaHei', sans-serif;
-                display: block !important; /* 覆盖 a4.css 中的 flex 布局 */
-            }
-            ${fs.readFileSync('./assets/font.css', 'utf8')}
-            
-            /* 强制分页 */
-            .print-page {
-                page-break-after: always !important;
-            }
-            
-            .print-page:last-child {
-                page-break-after: auto !important;
-            }
-
-            /* 允许第四个内容部分根据内容扩展 */
-            .content-section:nth-child(4) {
-                height: auto;
-                min-height: var(--section-height);
-            }
-        </style>
-    </head>
-    <body>
-        ${pagesHTML}
-    </body>
-    </html>
-    `;
+    await browser.close();
+    return { html };
+  } catch (e) {
+    if (browser) await browser.close();
+    console.error(e);
+    throw e;
+  }
 }
 
+app.get("/api/bypass", async (req, res) => {
+  const { url } = req.query;
+  if (!url) {
+    return res.status(400).json({ error: "URL is required" });
+  }
+
+  try {
+    const result = await captureHTML(url);
+    res.json(result);
+  } catch (err) {
+    res.status(500).json({ error: "Failed to capture HTML" });
+  }
+});
+
 async function capturetokenandcookies(url) {
   let browser;
   try {
@@ -351,8 +208,8 @@ app.get('/api/cinex', async (req, res) => {
 
 
 // 健康检查端点
-app.get('/api/health', (req, res) => {
-    res.json({ status: 'ok', timestamp: new Date().toISOString() });
+app.get('/', (req, res) => {
+    res.json({ status: 'hii', timestamp: new Date().toISOString() });
 });
 
 // 启动服务器