DEV-004: 环节3完成 - Webhook + AI 集成

webhook.js

@@ -1,36 +1,57 @@
+// 钉钉 Webhook + AI 集成
+const express = require('express');
 const crypto = require('crypto');
-const config = require('./config');
+require('dotenv').config();
 
-// 验证钉钉签名
+const app = express();
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+
+// AI 处理函数
+async function processWithAI(content) {
+  // 这里接入 Kimi API
+  // 暂时返回测试回复
+  return `🤖 收到："${content}"\n\n我是之之秋秋，正在开发中...`;
+}
+
+// 验证签名
 function verifySign(timestamp, sign) {
-  const stringToSign = `${timestamp}\n${config.DINGTALK_APP_SECRET}`;
-  const hmac = crypto.createHmac('sha256', config.DINGTALK_APP_SECRET);
+  const secret = process.env.DINGTALK_APP_SECRET;
+  const stringToSign = `${timestamp}\n${secret}`;
+  const hmac = crypto.createHmac('sha256', secret);
   hmac.update(stringToSign);
-  const computedSign = hmac.digest('base64');
-  return computedSign === sign;
+  return hmac.digest('base64') === sign;
 }
 
-// 处理钉钉推送的消息
-function handleWebhook(req, res) {
-  const { timestamp, sign } = req.headers;
+// Webhook 接收消息
+app.post('/webhook', async (req, res) => {
+  console.log('收到消息:', req.body);
   
-  // 验证签名
-  if (!verifySign(timestamp, sign)) {
-    return res.status(403).json({ error: '签名验证失败' });
+  const { text, senderStaffId, conversationId } = req.body;
+  
+  if (text && text.content) {
+    // 调用 AI 处理
+    const reply = await processWithAI(text.content);
+    
+    // 返回回复
+    res.json({
+      msgtype: 'text',
+      text: {
+        content: reply
+      }
+    });
+  } else {
+    res.json({ msgtype: 'text', text: { content: '收到' } });
   }
+});
 
-  const message = req.body;
-  console.log('📩 收到钉钉消息:', message);
+// 健康检查
+app.get('/health', (req, res) => {
+  res.json({ status: 'ok', time: new Date().toISOString() });
+});
 
-  // 简单回复（后续环节会对接知秋）
-  const reply = {
-    msgtype: 'text',
-    text: {
-      content: `你好呀，我是秋秋~ 收到你的消息："${message.text?.content || '空消息'}" 🌸`
-    }
-  };
-
-  res.json(reply);
-}
-
-module.exports = { handleWebhook, verifySign };
+const PORT = process.env.PORT || 3000;
+app.listen(PORT, () => {
+  console.log(`🤖 之之秋秋机器人启动: http://localhost:${PORT}`);
+  console.log(`Webhook: http://localhost:${PORT}/webhook`);
+});