Initial commit - DesignerCEP Project with Caddy deployment

Server/app/core/api_keys.py

@@ -0,0 +1,80 @@
+"""
+API Key 管理
+用于验证客户端请求
+"""
+
+from datetime import datetime
+from typing import Optional, Dict
+
+class APIKeyManager:
+    """API Key 管理器"""
+    
+    # 🔐 有效的 API Keys
+    # 生产环境建议从环境变量或数据库读取
+    VALID_KEYS: Dict[str, dict] = {
+        "demo_key_123": {
+            "name": "测试密钥",
+            "created": "2024-12-16",
+            "permissions": ["calculate"],
+            "rate_limit": 100  # 每小时最多 100 次请求
+        },
+        "prod_key_xyz789abc": {
+            "name": "生产密钥",
+            "created": "2024-12-16",
+            "permissions": ["calculate", "admin"],
+            "rate_limit": 1000
+        }
+    }
+    
+    @classmethod
+    def validate_key(cls, api_key: Optional[str]) -> bool:
+        """验证 API Key 是否有效"""
+        if not api_key:
+            return False
+        return api_key in cls.VALID_KEYS
+    
+    @classmethod
+    def get_key_info(cls, api_key: str) -> Optional[dict]:
+        """获取 API Key 信息"""
+        return cls.VALID_KEYS.get(api_key)
+    
+    @classmethod
+    def check_permission(cls, api_key: str, permission: str) -> bool:
+        """检查 API Key 是否有指定权限"""
+        key_info = cls.get_key_info(api_key)
+        if not key_info:
+            return False
+        return permission in key_info.get("permissions", [])
+    
+    @classmethod
+    def add_key(cls, api_key: str, name: str, permissions: list = None):
+        """添加新的 API Key"""
+        cls.VALID_KEYS[api_key] = {
+            "name": name,
+            "created": datetime.now().strftime("%Y-%m-%d"),
+            "permissions": permissions or ["calculate"],
+            "rate_limit": 100
+        }
+    
+    @classmethod
+    def remove_key(cls, api_key: str):
+        """删除 API Key"""
+        if api_key in cls.VALID_KEYS:
+            del cls.VALID_KEYS[api_key]
+    
+    @classmethod
+    def list_keys(cls) -> Dict[str, dict]:
+        """列出所有 API Keys"""
+        return cls.VALID_KEYS.copy()
+
+
+# 快捷函数
+def validate_api_key(api_key: Optional[str]) -> bool:
+    """验证 API Key"""
+    return APIKeyManager.validate_key(api_key)
+
+
+def get_key_info(api_key: str) -> Optional[dict]:
+    """获取 API Key 信息"""
+    return APIKeyManager.get_key_info(api_key)
+