update:智控台，完成mcp拍照识图

main/xiaozhi-server/core/utils/auth.py

@@ -0,0 +1,43 @@
+import jwt
+import time
+from datetime import datetime, timedelta, timezone
+from typing import Optional, Tuple
+
+
+class AuthToken:
+    def __init__(self, secret_key: str):
+        self.secret_key = secret_key
+
+    def generate_token(self, device_id: str) -> str:
+        """
+        生成JWT token
+        :param device_id: 设备ID
+        :return: JWT token字符串
+        """
+        # 设置过期时间为1小时后
+        expire_time = datetime.now(timezone.utc) + timedelta(hours=1)
+
+        # 创建payload
+        payload = {"device_id": device_id, "exp": expire_time.timestamp()}
+
+        # 使用JWT进行编码
+        token = jwt.encode(payload, self.secret_key, algorithm="HS256")
+        return token
+
+    def verify_token(self, token: str) -> Tuple[bool, Optional[str]]:
+        """
+        验证token
+        :param token: JWT token字符串
+        :return: (是否有效, 设备ID)
+        """
+        try:
+            # 解码token
+            payload = jwt.decode(token, self.secret_key, algorithms=["HS256"])
+
+            # 检查是否过期
+            if payload["exp"] < time.time():
+                return False, None
+
+            return True, payload["device_id"]
+        except jwt.InvalidTokenError:
+            return False, None