From 848cd388d96ec95b2598f1eaaf8967b8f064c08c Mon Sep 17 00:00:00 2001 From: Hubert Chathi Date: Thu, 24 Oct 2019 21:13:01 -0400 Subject: delete keys when deleting backups --- synapse/storage/data_stores/main/e2e_room_keys.py | 8 +++++++ .../delta/56/delete_keys_from_deleted_backups.sql | 25 ++++++++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql (limited to 'synapse/storage') diff --git a/synapse/storage/data_stores/main/e2e_room_keys.py b/synapse/storage/data_stores/main/e2e_room_keys.py index ef88e79293..1cbbae5b63 100644 --- a/synapse/storage/data_stores/main/e2e_room_keys.py +++ b/synapse/storage/data_stores/main/e2e_room_keys.py @@ -321,9 +321,17 @@ class EndToEndRoomKeyStore(SQLBaseStore): def _delete_e2e_room_keys_version_txn(txn): if version is None: this_version = self._get_current_version(txn, user_id) + if this_version is None: + raise StoreError(404, "No current backup version") else: this_version = version + self._simple_delete_txn( + txn, + table="e2e_room_keys", + keyvalues={"user_id": user_id, "version": this_version}, + ) + return self._simple_update_one_txn( txn, table="e2e_room_keys_versions", diff --git a/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql b/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql new file mode 100644 index 0000000000..1d2ddb1b1a --- /dev/null +++ b/synapse/storage/data_stores/main/schema/delta/56/delete_keys_from_deleted_backups.sql @@ -0,0 +1,25 @@ +/* Copyright 2019 The Matrix.org Foundation C.I.C + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* delete room keys that belong to deleted room key version, or to room key + * versions that don't exist (anymore) + */ +DELETE FROM e2e_room_keys +WHERE version NOT IN ( + SELECT version + FROM e2e_room_keys_versions + WHERE e2e_room_keys.user_id = e2e_room_keys_versions.user_id + AND e2e_room_keys_versions.deleted = 0 +); -- cgit 1.4.1