external knowledge api (#8913)

Co-authored-by: Yi <yxiaoisme@gmail.com>

api/services/entities/external_knowledge_entities/external_knowledge_entities.py

@@ -0,0 +1,26 @@
+from typing import Literal, Optional, Union
+
+from pydantic import BaseModel
+
+
+class AuthorizationConfig(BaseModel):
+    type: Literal[None, "basic", "bearer", "custom"]
+    api_key: Union[None, str] = None
+    header: Union[None, str] = None
+
+
+class Authorization(BaseModel):
+    type: Literal["no-auth", "api-key"]
+    config: Optional[AuthorizationConfig] = None
+
+
+class ProcessStatusSetting(BaseModel):
+    request_method: str
+    url: str
+
+
+class ExternalKnowledgeApiSetting(BaseModel):
+    url: str
+    request_method: str
+    headers: Optional[dict] = None
+    params: Optional[dict] = None