Added metadata object retrieval without full download.

packetserver/http/routers/objects.py

@@ -549,3 +549,49 @@ async def download_object(
         media_type=content_type,
         headers=headers
     )
+
+@router.get("/objects/{uuid}", response_model=ObjectSummary)
+async def get_object_metadata(
+    uuid: UUID,
+    db: DbDependency,
+    current_user: HttpUser = Depends(get_current_http_user)
+):
+    username = current_user.username
+
+    try:
+        with db.transaction() as conn:
+            root = conn.root()
+
+            obj = Object.get_object_by_uuid(uuid, root)
+            if not obj:
+                raise HTTPException(status_code=404, detail="Object not found")
+
+            # Authorization: private objects only visible to owner
+            if obj.private:
+                user = User.get_user_by_username(username, root)
+                if not user or user.uuid != obj.owner:
+                    raise HTTPException(status_code=403, detail="Not authorized to view this private object")
+
+            # Guess content_type for summary
+            content_type, _ = mimetypes.guess_type(obj.name)
+            if content_type is None:
+                content_type = "application/octet-stream" if obj.binary else "text/plain"
+
+            logging.info(f"User {username} retrieved metadata for object {uuid} ({obj.name})")
+
+    except HTTPException:
+        raise
+    except Exception as e:
+        logging.error(f"Metadata retrieval failed for {username} on {uuid}: {e}\n{traceback.format_exc()}")
+        raise HTTPException(status_code=500, detail="Failed to retrieve object metadata")
+
+    return ObjectSummary(
+        uuid=obj.uuid,
+        name=obj.name,
+        binary=obj.binary,
+        size=obj.size,
+        content_type=content_type,
+        private=obj.private,
+        created_at=obj.created_at,
+        modified_at=obj.modified_at
+    )