When redacting, keep event fields around that maintain the historical event structure intact (MSC2716) (#10538)

* Keep event fields that maintain the historical event structure intact

Fix https://github.com/matrix-org/synapse/issues/10521

* Add changelog

* Bump room version

* Better changelog text

* Fix up room version after develop merge
This commit is contained in:
Eric Eastwood 2021-08-09 20:23:31 -05:00 committed by GitHub
parent 6b61debf5c
commit 7afb615839
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3 changed files with 49 additions and 15 deletions

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@ -17,7 +17,7 @@ from typing import Any, Mapping, Union
from frozendict import frozendict
from synapse.api.constants import EventTypes, RelationTypes
from synapse.api.constants import EventContentFields, EventTypes, RelationTypes
from synapse.api.errors import Codes, SynapseError
from synapse.api.room_versions import RoomVersion
from synapse.util.async_helpers import yieldable_gather_results
@ -135,6 +135,12 @@ def prune_event_dict(room_version: RoomVersion, event_dict: dict) -> dict:
add_fields("history_visibility")
elif event_type == EventTypes.Redaction and room_version.msc2176_redaction_rules:
add_fields("redacts")
elif room_version.msc2716_redactions and event_type == EventTypes.MSC2716_INSERTION:
add_fields(EventContentFields.MSC2716_NEXT_CHUNK_ID)
elif room_version.msc2716_redactions and event_type == EventTypes.MSC2716_CHUNK:
add_fields(EventContentFields.MSC2716_CHUNK_ID)
elif room_version.msc2716_redactions and event_type == EventTypes.MSC2716_MARKER:
add_fields(EventContentFields.MSC2716_MARKER_INSERTION)
allowed_fields = {k: v for k, v in event_dict.items() if k in allowed_keys}