Feat/tool secret parameter (#2760)

api/core/helper/tool_parameter_cache.py

@@ -0,0 +1,54 @@
+import json
+from enum import Enum
+from json import JSONDecodeError
+from typing import Optional
+
+from extensions.ext_redis import redis_client
+
+
+class ToolParameterCacheType(Enum):
+    PARAMETER = "tool_parameter"
+
+class ToolParameterCache:
+    def __init__(self, 
+                 tenant_id: str, 
+                 provider: str, 
+                 tool_name: str, 
+                 cache_type: ToolParameterCacheType
+        ):
+        self.cache_key = f"{cache_type.value}_secret:tenant_id:{tenant_id}:provider:{provider}:tool_name:{tool_name}"
+
+    def get(self) -> Optional[dict]:
+        """
+        Get cached model provider credentials.
+
+        :return:
+        """
+        cached_tool_parameter = redis_client.get(self.cache_key)
+        if cached_tool_parameter:
+            try:
+                cached_tool_parameter = cached_tool_parameter.decode('utf-8')
+                cached_tool_parameter = json.loads(cached_tool_parameter)
+            except JSONDecodeError:
+                return None
+
+            return cached_tool_parameter
+        else:
+            return None
+
+    def set(self, parameters: dict) -> None:
+        """
+        Cache model provider credentials.
+
+        :param credentials: provider credentials
+        :return:
+        """
+        redis_client.setex(self.cache_key, 86400, json.dumps(parameters))
+
+    def delete(self) -> None:
+        """
+        Delete cached model provider credentials.
+
+        :return:
+        """
+        redis_client.delete(self.cache_key)