feat: Optionally forward user headers to external document loader

Co-Authored-By: Classic298 <27028174+Classic298@users.noreply.github.com>

backend/open_webui/retrieval/loaders/external_document.py

@@ -5,6 +5,7 @@ from urllib.parse import quote
 
 from langchain_core.document_loaders import BaseLoader
 from langchain_core.documents import Document
+from open_webui.utils.headers import include_user_info_headers
 from open_webui.env import SRC_LOG_LEVELS
 
 log = logging.getLogger(__name__)
@@ -18,6 +19,7 @@ class ExternalDocumentLoader(BaseLoader):
         url: str,
         api_key: str,
         mime_type=None,
+        user=None,
         **kwargs,
     ) -> None:
         self.url = url
@@ -26,6 +28,8 @@ class ExternalDocumentLoader(BaseLoader):
         self.file_path = file_path
         self.mime_type = mime_type
 
+        self.user = user
+
     def load(self) -> List[Document]:
         with open(self.file_path, "rb") as f:
             data = f.read()
@@ -42,6 +46,9 @@ class ExternalDocumentLoader(BaseLoader):
         except:
             pass
 
+        if self.user is not None:
+            headers = include_user_info_headers(headers, self.user)
+
         url = self.url
         if url.endswith("/"):
             url = url[:-1]