From 8c654b73095a594b36101aa81cf91a8e1bebc29f Mon Sep 17 00:00:00 2001 From: Eric Eastwood Date: Tue, 10 Aug 2021 18:10:40 -0500 Subject: [PATCH] Only return state events that the AS passed in via `state_events_at_start` (MSC2716) (#10552) * Only return state events that the AS passed in via state_events_at_start As discovered by @Half-Shot in https://github.com/matrix-org/matrix-doc/pull/2716#discussion_r684158448 Part of MSC2716 * Add changelog * Fix changelog extension --- changelog.d/10552.misc | 1 + synapse/rest/client/v1/room.py | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) create mode 100644 changelog.d/10552.misc diff --git a/changelog.d/10552.misc b/changelog.d/10552.misc new file mode 100644 index 0000000000..fc5f6aea5f --- /dev/null +++ b/changelog.d/10552.misc @@ -0,0 +1 @@ +Update `/batch_send` endpoint to only return `state_events` created by the `state_events_from_before` passed in. diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py index b28b72bfbd..f1bc43be2d 100644 --- a/synapse/rest/client/v1/room.py +++ b/synapse/rest/client/v1/room.py @@ -437,6 +437,7 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet): prev_state_ids = list(prev_state_map.values()) auth_event_ids = prev_state_ids + state_events_at_start = [] for state_event in body["state_events_at_start"]: assert_params_in_dict( state_event, ["type", "origin_server_ts", "content", "sender"] @@ -502,6 +503,7 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet): ) event_id = event.event_id + state_events_at_start.append(event_id) auth_event_ids.append(event_id) events_to_create = body["events"] @@ -651,7 +653,7 @@ class RoomBatchSendEventRestServlet(TransactionRestServlet): event_ids.append(base_insertion_event.event_id) return 200, { - "state_events": auth_event_ids, + "state_events": state_events_at_start, "events": event_ids, "next_chunk_id": insertion_event["content"][ EventContentFields.MSC2716_NEXT_CHUNK_ID