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Support stable identifiers for MSC3440: Threading (#12151)

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The unstable identifiers are still supported if the experimental configuration
flag is enabled. The unstable identifiers will be removed in a future release.
This commit is contained in:
Patrick Cloke 2022-03-10 10:36:13 -05:00 committed by GitHub
parent 52a947dc46
commit ea27528b5d
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13 changed files with 109 additions and 81 deletions
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1
changelog.d/12151.feature Normal file
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@ -0,0 +1 @@
Support the stable identifiers from [MSC3440](https://github.com/matrix-org/matrix-doc/pull/3440): threads.

4
synapse/api/constants.py
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@ -178,7 +178,9 @@ class RelationTypes:
ANNOTATION: Final = "m.annotation"
REPLACE: Final = "m.replace"
REFERENCE: Final = "m.reference"
THREAD: Final = "io.element.thread"
THREAD: Final = "m.thread"
# TODO Remove this in Synapse >= v1.57.0.
UNSTABLE_THREAD: Final = "io.element.thread"
class LimitBlockingTypes:

23
synapse/api/filtering.py
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@ -88,7 +88,9 @@ ROOM_EVENT_FILTER_SCHEMA = {
"org.matrix.labels": {"type": "array", "items": {"type": "string"}},
"org.matrix.not_labels": {"type": "array", "items": {"type": "string"}},
# MSC3440, filtering by event relations.
"related_by_senders": {"type": "array", "items": {"type": "string"}},
"io.element.relation_senders": {"type": "array", "items": {"type": "string"}},
"related_by_rel_types": {"type": "array", "items": {"type": "string"}},
"io.element.relation_types": {"type": "array", "items": {"type": "string"}},
},
}
@ -318,19 +320,18 @@ class Filter:
self.labels = filter_json.get("org.matrix.labels", None)
self.not_labels = filter_json.get("org.matrix.not_labels", [])
# Ideally these would be rejected at the endpoint if they were provided
# and not supported, but that would involve modifying the JSON schema
# based on the homeserver configuration.
self.related_by_senders = self.filter_json.get("related_by_senders", None)
self.related_by_rel_types = self.filter_json.get("related_by_rel_types", None)
# Fallback to the unstable prefix if the stable version is not given.
if hs.config.experimental.msc3440_enabled:
self.relation_senders = self.filter_json.get(
self.related_by_senders = self.related_by_senders or self.filter_json.get(
"io.element.relation_senders", None
)
self.relation_types = self.filter_json.get(
"io.element.relation_types", None
self.related_by_rel_types = (
self.related_by_rel_types
or self.filter_json.get("io.element.relation_types", None)
)
else:
self.relation_senders = None
self.relation_types = None
def filters_all_types(self) -> bool:
return "*" in self.not_types
@ -461,7 +462,7 @@ class Filter:
event_ids = [event.event_id for event in events if isinstance(event, EventBase)] # type: ignore[attr-defined]
event_ids_to_keep = set(
await self._store.events_have_relations(
event_ids, self.relation_senders, self.relation_types
event_ids, self.related_by_senders, self.related_by_rel_types
)
)
@ -474,7 +475,7 @@ class Filter:
async def filter(self, events: Iterable[FilterEvent]) -> List[FilterEvent]:
result = [event for event in events if self._check(event)]
if self.relation_senders or self.relation_types:
if self.related_by_senders or self.related_by_rel_types:
return await self._check_event_relations(result)
return result

9
synapse/events/utils.py
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@ -38,6 +38,7 @@ from synapse.util.frozenutils import unfreeze
from . import EventBase
if TYPE_CHECKING:
from synapse.server import HomeServer
from synapse.storage.databases.main.relations import BundledAggregations
@ -395,6 +396,9 @@ class EventClientSerializer:
clients.
"""
def __init__(self, hs: "HomeServer"):
self._msc3440_enabled = hs.config.experimental.msc3440_enabled
def serialize_event(
self,
event: Union[JsonDict, EventBase],
@ -515,11 +519,14 @@ class EventClientSerializer:
thread.latest_event, serialized_latest_event, thread.latest_edit
)
serialized_aggregations[RelationTypes.THREAD] = {
thread_summary = {
"latest_event": serialized_latest_event,
"count": thread.count,
"current_user_participated": thread.current_user_participated,
}
serialized_aggregations[RelationTypes.THREAD] = thread_summary
if self._msc3440_enabled:
serialized_aggregations[RelationTypes.UNSTABLE_THREAD] = thread_summary
# Include the bundled aggregations in the event.
if serialized_aggregations:

5
synapse/handlers/message.py
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@ -1079,7 +1079,10 @@ class EventCreationHandler:
raise SynapseError(400, "Can't send same reaction twice")
# Don't attempt to start a thread if the parent event is a relation.
elif relation_type == RelationTypes.THREAD:
elif (
relation_type == RelationTypes.THREAD
or relation_type == RelationTypes.UNSTABLE_THREAD
):
if await self.store.event_includes_relation(relates_to):
raise SynapseError(
400, "Cannot start threads from an event with a relation"

1
synapse/rest/client/versions.py
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@ -101,6 +101,7 @@ class VersionsRestServlet(RestServlet):
"org.matrix.msc3030": self.config.experimental.msc3030_enabled,
# Adds support for thread relations, per MSC3440.
"org.matrix.msc3440": self.config.experimental.msc3440_enabled,
"org.matrix.msc3440.stable": True, # TODO: remove when "v1.3" is added above
},
},
)

2
synapse/server.py
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@ -754,7 +754,7 @@ class HomeServer(metaclass=abc.ABCMeta):
@cache_in_self
def get_event_client_serializer(self) -> EventClientSerializer:
return EventClientSerializer()
return EventClientSerializer(self)
@cache_in_self
def get_password_policy_handler(self) -> PasswordPolicyHandler:

5
synapse/storage/databases/main/events.py
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@ -1814,7 +1814,10 @@ class PersistEventsStore:
if rel_type == RelationTypes.REPLACE:
txn.call_after(self.store.get_applicable_edit.invalidate, (parent_id,))
if rel_type == RelationTypes.THREAD:
if (
rel_type == RelationTypes.THREAD
or rel_type == RelationTypes.UNSTABLE_THREAD
):
txn.call_after(self.store.get_thread_summary.invalidate, (parent_id,))
# It should be safe to only invalidate the cache if the user has not
# previously participated in the thread, but that's difficult (and

77
synapse/storage/databases/main/relations.py
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@ -508,7 +508,7 @@ class RelationsWorkerStore(SQLBaseStore):
AND parent.room_id = child.room_id
WHERE
%s
AND relation_type = ?
AND %s
ORDER BY parent.event_id, child.topological_ordering DESC, child.stream_ordering DESC
"""
else:
@ -523,16 +523,22 @@ class RelationsWorkerStore(SQLBaseStore):
AND parent.room_id = child.room_id
WHERE
%s
AND relation_type = ?
AND %s
ORDER BY child.topological_ordering DESC, child.stream_ordering DESC
"""
clause, args = make_in_list_sql_clause(
txn.database_engine, "relates_to_id", event_ids
)
args.append(RelationTypes.THREAD)
txn.execute(sql % (clause,), args)
if self._msc3440_enabled:
relations_clause = "(relation_type = ? OR relation_type = ?)"
args.extend((RelationTypes.THREAD, RelationTypes.UNSTABLE_THREAD))
else:
relations_clause = "relation_type = ?"
args.append(RelationTypes.THREAD)
txn.execute(sql % (clause, relations_clause), args)
latest_event_ids = {}
for parent_event_id, child_event_id in txn:
# Only consider the latest threaded reply (by topological ordering).
@ -552,7 +558,7 @@ class RelationsWorkerStore(SQLBaseStore):
AND parent.room_id = child.room_id
WHERE
%s
AND relation_type = ?
AND %s
GROUP BY parent.event_id
"""
@ -561,9 +567,15 @@ class RelationsWorkerStore(SQLBaseStore):
clause, args = make_in_list_sql_clause(
txn.database_engine, "relates_to_id", latest_event_ids.keys()
)
args.append(RelationTypes.THREAD)
txn.execute(sql % (clause,), args)
if self._msc3440_enabled:
relations_clause = "(relation_type = ? OR relation_type = ?)"
args.extend((RelationTypes.THREAD, RelationTypes.UNSTABLE_THREAD))
else:
relations_clause = "relation_type = ?"
args.append(RelationTypes.THREAD)
txn.execute(sql % (clause, relations_clause), args)
counts = dict(cast(List[Tuple[str, int]], txn.fetchall()))
return counts, latest_event_ids
@ -626,16 +638,24 @@ class RelationsWorkerStore(SQLBaseStore):
AND parent.room_id = child.room_id
WHERE
%s
AND relation_type = ?
AND %s
AND child.sender = ?
"""
clause, args = make_in_list_sql_clause(
txn.database_engine, "relates_to_id", event_ids
)
args.extend((RelationTypes.THREAD, user_id))
txn.execute(sql % (clause,), args)
if self._msc3440_enabled:
relations_clause = "(relation_type = ? OR relation_type = ?)"
args.extend((RelationTypes.THREAD, RelationTypes.UNSTABLE_THREAD))
else:
relations_clause = "relation_type = ?"
args.append(RelationTypes.THREAD)
args.append(user_id)
txn.execute(sql % (clause, relations_clause), args)
return {row[0] for row in txn.fetchall()}
participated_threads = await self.db_pool.runInteraction(
@ -834,26 +854,23 @@ class RelationsWorkerStore(SQLBaseStore):
results.setdefault(event_id, BundledAggregations()).replace = edit
# Fetch thread summaries.
if self._msc3440_enabled:
summaries = await self._get_thread_summaries(events_by_id.keys())
# Only fetch participated for a limited selection based on what had
# summaries.
participated = await self._get_threads_participated(
summaries.keys(), user_id
)
for event_id, summary in summaries.items():
if summary:
thread_count, latest_thread_event, edit = summary
results.setdefault(
event_id, BundledAggregations()
).thread = _ThreadAggregation(
latest_event=latest_thread_event,
latest_edit=edit,
count=thread_count,
# If there's a thread summary it must also exist in the
# participated dictionary.
current_user_participated=participated[event_id],
)
summaries = await self._get_thread_summaries(events_by_id.keys())
# Only fetch participated for a limited selection based on what had
# summaries.
participated = await self._get_threads_participated(summaries.keys(), user_id)
for event_id, summary in summaries.items():
if summary:
thread_count, latest_thread_event, edit = summary
results.setdefault(
event_id, BundledAggregations()
).thread = _ThreadAggregation(
latest_event=latest_thread_event,
latest_edit=edit,
count=thread_count,
# If there's a thread summary it must also exist in the
# participated dictionary.
current_user_participated=participated[event_id],
)
return results

18
synapse/storage/databases/main/stream.py
View File

@ -325,21 +325,23 @@ def filter_to_clause(event_filter: Optional[Filter]) -> Tuple[str, List[str]]:
args.extend(event_filter.labels)
# Filter on relation_senders / relation types from the joined tables.
if event_filter.relation_senders:
if event_filter.related_by_senders:
clauses.append(
"(%s)"
% " OR ".join(
"related_event.sender = ?" for _ in event_filter.relation_senders
"related_event.sender = ?" for _ in event_filter.related_by_senders
)
)
args.extend(event_filter.relation_senders)
args.extend(event_filter.related_by_senders)
if event_filter.relation_types:
if event_filter.related_by_rel_types:
clauses.append(
"(%s)"
% " OR ".join("relation_type = ?" for _ in event_filter.relation_types)
% " OR ".join(
"relation_type = ?" for _ in event_filter.related_by_rel_types
)
)
args.extend(event_filter.relation_types)
args.extend(event_filter.related_by_rel_types)
return " AND ".join(clauses), args
@ -1203,7 +1205,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
# If there is a filter on relation_senders and relation_types join to the
# relations table.
if event_filter and (
event_filter.relation_senders or event_filter.relation_types
event_filter.related_by_senders or event_filter.related_by_rel_types
):
# Filtering by relations could cause the same event to appear multiple
# times (since there's no limit on the number of relations to an event).
@ -1211,7 +1213,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
join_clause += """
LEFT JOIN event_relations AS relation ON (event.event_id = relation.relates_to_id)
"""
if event_filter.relation_senders:
if event_filter.related_by_senders:
join_clause += """
LEFT JOIN events AS related_event ON (relation.event_id = related_event.event_id)
"""

7
tests/rest/client/test_relations.py
View File

@ -547,9 +547,7 @@ class RelationsTestCase(BaseRelationsTestCase):
)
self.assertEqual(400, channel.code, channel.json_body)
@unittest.override_config(
{"experimental_features": {"msc3440_enabled": True, "msc3666_enabled": True}}
)
@unittest.override_config({"experimental_features": {"msc3666_enabled": True}})
def test_bundled_aggregations(self) -> None:
"""
Test that annotations, references, and threads get correctly bundled.
@ -758,7 +756,6 @@ class RelationsTestCase(BaseRelationsTestCase):
},
)
@unittest.override_config({"experimental_features": {"msc3440_enabled": True}})
def test_ignore_invalid_room(self) -> None:
"""Test that we ignore invalid relations over federation."""
# Create another room and send a message in it.
@ -1065,7 +1062,6 @@ class RelationsTestCase(BaseRelationsTestCase):
{"event_id": edit_event_id, "sender": self.user_id}, m_replace_dict
)
@unittest.override_config({"experimental_features": {"msc3440_enabled": True}})
def test_edit_thread(self) -> None:
"""Test that editing a thread works."""
@ -1383,7 +1379,6 @@ class RelationRedactionTestCase(BaseRelationsTestCase):
chunk = self._get_aggregations()
self.assertEqual(chunk, [{"type": "m.reaction", "key": "a", "count": 1}])
@unittest.override_config({"experimental_features": {"msc3440_enabled": True}})
def test_redact_relation_thread(self) -> None:
"""
Test that thread replies are properly handled after the thread reply redacted.

18
tests/rest/client/test_rooms.py
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@ -2141,21 +2141,19 @@ class RelationsTestCase(unittest.HomeserverTestCase):
def test_filter_relation_senders(self) -> None:
# Messages which second user reacted to.
filter = {"io.element.relation_senders": [self.second_user_id]}
filter = {"related_by_senders": [self.second_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0]["event_id"], self.event_id_1)
# Messages which third user reacted to.
filter = {"io.element.relation_senders": [self.third_user_id]}
filter = {"related_by_senders": [self.third_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0]["event_id"], self.event_id_2)
# Messages which either user reacted to.
filter = {
"io.element.relation_senders": [self.second_user_id, self.third_user_id]
}
filter = {"related_by_senders": [self.second_user_id, self.third_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 2, chunk)
self.assertCountEqual(
@ -2164,20 +2162,20 @@ class RelationsTestCase(unittest.HomeserverTestCase):
def test_filter_relation_type(self) -> None:
# Messages which have annotations.
filter = {"io.element.relation_types": [RelationTypes.ANNOTATION]}
filter = {"related_by_rel_types": [RelationTypes.ANNOTATION]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0]["event_id"], self.event_id_1)
# Messages which have references.
filter = {"io.element.relation_types": [RelationTypes.REFERENCE]}
filter = {"related_by_rel_types": [RelationTypes.REFERENCE]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0]["event_id"], self.event_id_2)
# Messages which have either annotations or references.
filter = {
"io.element.relation_types": [
"related_by_rel_types": [
RelationTypes.ANNOTATION,
RelationTypes.REFERENCE,
]
@ -2191,8 +2189,8 @@ class RelationsTestCase(unittest.HomeserverTestCase):
def test_filter_relation_senders_and_type(self) -> None:
# Messages which second user reacted to.
filter = {
"io.element.relation_senders": [self.second_user_id],
"io.element.relation_types": [RelationTypes.ANNOTATION],
"related_by_senders": [self.second_user_id],
"related_by_rel_types": [RelationTypes.ANNOTATION],
}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)

20
tests/storage/test_stream.py
View File

@ -129,21 +129,19 @@ class PaginationTestCase(HomeserverTestCase):
def test_filter_relation_senders(self):
# Messages which second user reacted to.
filter = {"io.element.relation_senders": [self.second_user_id]}
filter = {"related_by_senders": [self.second_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0].event_id, self.event_id_1)
# Messages which third user reacted to.
filter = {"io.element.relation_senders": [self.third_user_id]}
filter = {"related_by_senders": [self.third_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0].event_id, self.event_id_2)
# Messages which either user reacted to.
filter = {
"io.element.relation_senders": [self.second_user_id, self.third_user_id]
}
filter = {"related_by_senders": [self.second_user_id, self.third_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 2, chunk)
self.assertCountEqual(
@ -152,20 +150,20 @@ class PaginationTestCase(HomeserverTestCase):
def test_filter_relation_type(self):
# Messages which have annotations.
filter = {"io.element.relation_types": [RelationTypes.ANNOTATION]}
filter = {"related_by_rel_types": [RelationTypes.ANNOTATION]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0].event_id, self.event_id_1)
# Messages which have references.
filter = {"io.element.relation_types": [RelationTypes.REFERENCE]}
filter = {"related_by_rel_types": [RelationTypes.REFERENCE]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0].event_id, self.event_id_2)
# Messages which have either annotations or references.
filter = {
"io.element.relation_types": [
"related_by_rel_types": [
RelationTypes.ANNOTATION,
RelationTypes.REFERENCE,
]
@ -179,8 +177,8 @@ class PaginationTestCase(HomeserverTestCase):
def test_filter_relation_senders_and_type(self):
# Messages which second user reacted to.
filter = {
"io.element.relation_senders": [self.second_user_id],
"io.element.relation_types": [RelationTypes.ANNOTATION],
"related_by_senders": [self.second_user_id],
"related_by_rel_types": [RelationTypes.ANNOTATION],
}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
@ -201,7 +199,7 @@ class PaginationTestCase(HomeserverTestCase):
tok=self.second_tok,
)
filter = {"io.element.relation_senders": [self.second_user_id]}
filter = {"related_by_senders": [self.second_user_id]}
chunk = self._filter_messages(filter)
self.assertEqual(len(chunk), 1, chunk)
self.assertEqual(chunk[0].event_id, self.event_id_1)