refac

backend/open_webui/retrieval/loaders/main.py

@@ -229,6 +229,7 @@ class Loader:
     def __init__(self, engine: str = '', **kwargs):
         self.engine = engine
         self.user = kwargs.get('user', None)
+        self.metadata = kwargs.get('metadata', {})
         self.kwargs = kwargs
 
     def load(self, filename: str, file_content_type: str, file_path: str) -> list[Document]:
@@ -404,6 +405,12 @@ class Loader:
                 api_key=self.kwargs.get('EXTERNAL_DOCUMENT_LOADER_API_KEY'),
                 mime_type=file_content_type,
                 user=self.user,
+                headers=self.kwargs.get('EXTERNAL_DOCUMENT_LOADER_HEADERS'),
+                metadata={
+                    **self.metadata,
+                    'file_name': filename,
+                    'file_content_type': file_content_type,
+                },
             )
         elif self.engine == 'tika' and self.kwargs.get('TIKA_SERVER_URL'):
             if self._is_text_file(file_ext, file_content_type):