diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/storage/databases/main/events_worker.py | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py index c31fc00eaa..0a48e5d29f 100644 --- a/synapse/storage/databases/main/events_worker.py +++ b/synapse/storage/databases/main/events_worker.py @@ -1094,6 +1094,18 @@ class EventsWorkerStore(SQLBaseStore): original_ev.internal_metadata.stream_ordering = row.stream_ordering original_ev.internal_metadata.outlier = row.outlier + # Consistency check: if the content of the event has been modified in the + # database, then the calculated event ID will not match the event id in the + # database. + if original_ev.event_id != event_id: + # it's difficult to see what to do here. Pretty much all bets are off + # if Synapse cannot rely on the consistency of its database. + raise RuntimeError( + f"Database corruption: Event {event_id} in room {d['room_id']} " + f"from the database appears to have been modified (calculated " + f"event id {original_ev.event_id})" + ) + event_map[event_id] = original_ev # finally, we can decide whether each one needs redacting, and build |