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Edits/annotations should not have any bundled aggregations calculated. (#12633)

Fixes a regression from 8b309adb43 (#11660)
and b65acead42 (#11752) where events which
themselves were an edit or an annotation could have bundled aggregations calculated,
which is not allowed.
This commit is contained in:
Patrick Cloke 2022-05-05 08:15:12 -04:00 committed by GitHub
parent ddc8bba00f
commit f90d381c7b
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3 changed files with 50 additions and 20 deletions

1
changelog.d/12633.bugfix Normal file
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@ -0,0 +1 @@
Fix a bug introduced in Synapse v1.53.0 where bundled aggregations for annotations/edits were incorrectly calculated.

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@ -364,21 +364,29 @@ class RelationsHandler:
The results may include additional events which are related to the
requested events.
"""
# De-duplicate events by ID to handle the same event requested multiple times.
#
# State events do not get bundled aggregations.
events_by_id = {
event.event_id: event for event in events if not event.is_state()
}
# De-duplicated events by ID to handle the same event requested multiple times.
events_by_id = {}
# A map of event ID to the relation in that event, if there is one.
relations_by_id: Dict[str, str] = {}
for event_id, event in events_by_id.items():
for event in events:
# State events do not get bundled aggregations.
if event.is_state():
continue
relates_to = event.content.get("m.relates_to")
relation_type = None
if isinstance(relates_to, collections.abc.Mapping):
relation_type = relates_to.get("rel_type")
# An event which is a replacement (ie edit) or annotation (ie,
# reaction) may not have any other event related to it.
if relation_type in (RelationTypes.ANNOTATION, RelationTypes.REPLACE):
continue
# The event should get bundled aggregations.
events_by_id[event.event_id] = event
# Track the event's relation information for later.
if isinstance(relation_type, str):
relations_by_id[event_id] = relation_type
relations_by_id[event.event_id] = relation_type
# event ID -> bundled aggregation in non-serialized form.
results: Dict[str, BundledAggregations] = {}
@ -413,16 +421,6 @@ class RelationsHandler:
# Fetch other relations per event.
for event in events_by_id.values():
# An event which is a replacement (ie edit) or annotation (ie, reaction)
# may not have any other event related to it.
#
# XXX This is buggy, see https://github.com/matrix-org/synapse/issues/12566
if relations_by_id.get(event.event_id) in (
RelationTypes.ANNOTATION,
RelationTypes.REPLACE,
):
continue
# Fetch any annotations (ie, reactions) to bundle with this event.
annotations = await self.get_annotations_for_event(
event.event_id, event.room_id, ignored_users=ignored_users

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@ -620,6 +620,19 @@ class RelationsTestCase(BaseRelationsTestCase):
{"event_id": edit_event_id, "sender": self.user_id}, m_replace_dict
)
# Directly requesting the edit should not have the edit to the edit applied.
channel = self.make_request(
"GET",
f"/rooms/{self.room}/event/{edit_event_id}",
access_token=self.user_token,
)
self.assertEqual(200, channel.code, channel.json_body)
self.assertEqual("Wibble", channel.json_body["content"]["body"])
self.assertIn("m.new_content", channel.json_body["content"])
# The relations information should not include the edit to the edit.
self.assertNotIn("m.relations", channel.json_body["unsigned"])
def test_unknown_relations(self) -> None:
"""Unknown relations should be accepted."""
channel = self._send_relation("m.relation.test", "m.room.test")
@ -984,6 +997,24 @@ class BundledAggregationsTestCase(BaseRelationsTestCase):
self._test_bundled_aggregations(RelationTypes.ANNOTATION, assert_annotations, 7)
def test_annotation_to_annotation(self) -> None:
"""Any relation to an annotation should be ignored."""
channel = self._send_relation(RelationTypes.ANNOTATION, "m.reaction", "a")
event_id = channel.json_body["event_id"]
self._send_relation(
RelationTypes.ANNOTATION, "m.reaction", "b", parent_id=event_id
)
# Fetch the initial annotation event to see if it has bundled aggregations.
channel = self.make_request(
"GET",
f"/_matrix/client/v3/rooms/{self.room}/event/{event_id}",
access_token=self.user_token,
)
self.assertEquals(200, channel.code, channel.json_body)
# The first annotationt should not have any bundled aggregations.
self.assertNotIn("m.relations", channel.json_body["unsigned"])
def test_reference(self) -> None:
"""
Test that references get correctly bundled.