refactor(auth): consolidate PUBLIC_MODE and mutation guards into reusable helpers (#909)

* refactor(auth): consolidate PUBLIC_MODE and mutation guards into reusable helpers

* fix: fix websocket test override

server/reflector/views/meetings.py

@@ -16,7 +16,6 @@ from reflector.db.meetings import (
 )
 from reflector.db.rooms import rooms_controller
 from reflector.logger import logger
-from reflector.settings import settings
 from reflector.utils.string import NonEmptyString
 from reflector.video_platforms.factory import create_platform_client
 
@@ -92,15 +91,15 @@ class StartRecordingRequest(BaseModel):
 async def start_recording(
     meeting_id: NonEmptyString,
     body: StartRecordingRequest,
-    user: Annotated[Optional[auth.UserInfo], Depends(auth.current_user_optional)],
+    user: Annotated[
+        Optional[auth.UserInfo], Depends(auth.current_user_optional_if_public_mode)
+    ],
 ) -> dict[str, Any]:
     """Start cloud or raw-tracks recording via Daily.co REST API.
 
     Both cloud and raw-tracks are started via REST API to bypass enable_recording limitation of allowing only 1 recording at a time.
     Uses different instanceIds for cloud vs raw-tracks (same won't work)
     """
-    if not user and not settings.PUBLIC_MODE:
-        raise HTTPException(status_code=401, detail="Not authenticated")
     meeting = await meetings_controller.get_by_id(meeting_id)
     if not meeting:
         raise HTTPException(status_code=404, detail="Meeting not found")