From ad5761b65cf6a3fe203d8ffc425ed45b3a0a02fa Mon Sep 17 00:00:00 2001 From: Shay Date: Wed, 13 Jul 2022 11:36:02 -0700 Subject: [PATCH] Add support for room version 10 (#13220) --- changelog.d/13220.feature | 1 + synapse/api/room_versions.py | 33 +++++++++++++++++++++++++++++ synapse/event_auth.py | 26 +++++++++++++++++++++++ tests/test_event_auth.py | 41 +++++++++++++++++++++++++++++++++++- 4 files changed, 100 insertions(+), 1 deletion(-) create mode 100644 changelog.d/13220.feature diff --git a/changelog.d/13220.feature b/changelog.d/13220.feature new file mode 100644 index 000000000..9b0240fdc --- /dev/null +++ b/changelog.d/13220.feature @@ -0,0 +1 @@ +Add support for room version 10. diff --git a/synapse/api/room_versions.py b/synapse/api/room_versions.py index 3f85d61b4..00e81b3af 100644 --- a/synapse/api/room_versions.py +++ b/synapse/api/room_versions.py @@ -84,6 +84,8 @@ class RoomVersion: # MSC3787: Adds support for a `knock_restricted` join rule, mixing concepts of # knocks and restricted join rules into the same join condition. msc3787_knock_restricted_join_rule: bool + # MSC3667: Enforce integer power levels + msc3667_int_only_power_levels: bool class RoomVersions: @@ -103,6 +105,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V2 = RoomVersion( "2", @@ -120,6 +123,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V3 = RoomVersion( "3", @@ -137,6 +141,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V4 = RoomVersion( "4", @@ -154,6 +159,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V5 = RoomVersion( "5", @@ -171,6 +177,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V6 = RoomVersion( "6", @@ -188,6 +195,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) MSC2176 = RoomVersion( "org.matrix.msc2176", @@ -205,6 +213,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V7 = RoomVersion( "7", @@ -222,6 +231,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V8 = RoomVersion( "8", @@ -239,6 +249,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) V9 = RoomVersion( "9", @@ -256,6 +267,7 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) MSC2716v3 = RoomVersion( "org.matrix.msc2716v3", @@ -273,6 +285,7 @@ class RoomVersions: msc2716_historical=True, msc2716_redactions=True, msc3787_knock_restricted_join_rule=False, + msc3667_int_only_power_levels=False, ) MSC3787 = RoomVersion( "org.matrix.msc3787", @@ -290,6 +303,25 @@ class RoomVersions: msc2716_historical=False, msc2716_redactions=False, msc3787_knock_restricted_join_rule=True, + msc3667_int_only_power_levels=False, + ) + V10 = RoomVersion( + "10", + RoomDisposition.STABLE, + EventFormatVersions.V3, + StateResolutionVersions.V2, + enforce_key_validity=True, + special_case_aliases_auth=False, + strict_canonicaljson=True, + limit_notifications_power_levels=True, + msc2176_redaction_rules=False, + msc3083_join_rules=True, + msc3375_redaction_rules=True, + msc2403_knocking=True, + msc2716_historical=False, + msc2716_redactions=False, + msc3787_knock_restricted_join_rule=True, + msc3667_int_only_power_levels=True, ) @@ -308,6 +340,7 @@ KNOWN_ROOM_VERSIONS: Dict[str, RoomVersion] = { RoomVersions.V9, RoomVersions.MSC2716v3, RoomVersions.MSC3787, + RoomVersions.V10, ) } diff --git a/synapse/event_auth.py b/synapse/event_auth.py index 0fc2c4b27..965cb265d 100644 --- a/synapse/event_auth.py +++ b/synapse/event_auth.py @@ -740,6 +740,32 @@ def _check_power_levels( except Exception: raise SynapseError(400, "Not a valid power level: %s" % (v,)) + # Reject events with stringy power levels if required by room version + if ( + event.type == EventTypes.PowerLevels + and room_version_obj.msc3667_int_only_power_levels + ): + for k, v in event.content.items(): + if k in { + "users_default", + "events_default", + "state_default", + "ban", + "redact", + "kick", + "invite", + }: + if not isinstance(v, int): + raise SynapseError(400, f"{v!r} must be an integer.") + if k in {"events", "notifications", "users"}: + if not isinstance(v, dict) or not all( + isinstance(v, int) for v in v.values() + ): + raise SynapseError( + 400, + f"{v!r} must be a dict wherein all the values are integers.", + ) + key = (event.type, event.state_key) current_state = auth_events.get(key) diff --git a/tests/test_event_auth.py b/tests/test_event_auth.py index 371cd201a..e42d7b9ba 100644 --- a/tests/test_event_auth.py +++ b/tests/test_event_auth.py @@ -19,7 +19,7 @@ from parameterized import parameterized from synapse import event_auth from synapse.api.constants import EventContentFields -from synapse.api.errors import AuthError +from synapse.api.errors import AuthError, SynapseError from synapse.api.room_versions import EventFormatVersions, RoomVersion, RoomVersions from synapse.events import EventBase, make_event_from_dict from synapse.storage.databases.main.events_worker import EventRedactBehaviour @@ -689,6 +689,45 @@ class EventAuthTestCase(unittest.TestCase): auth_events.values(), ) + def test_room_v10_rejects_string_power_levels(self) -> None: + pl_event_content = {"users_default": "42"} + pl_event = make_event_from_dict( + { + "room_id": TEST_ROOM_ID, + **_maybe_get_event_id_dict_for_room_version(RoomVersions.V10), + "type": "m.room.power_levels", + "sender": "@test:test.com", + "state_key": "", + "content": pl_event_content, + "signatures": {"test.com": {"ed25519:0": "some9signature"}}, + }, + room_version=RoomVersions.V10, + ) + + pl_event2_content = {"events": {"m.room.name": "42", "m.room.power_levels": 42}} + pl_event2 = make_event_from_dict( + { + "room_id": TEST_ROOM_ID, + **_maybe_get_event_id_dict_for_room_version(RoomVersions.V10), + "type": "m.room.power_levels", + "sender": "@test:test.com", + "state_key": "", + "content": pl_event2_content, + "signatures": {"test.com": {"ed25519:0": "some9signature"}}, + }, + room_version=RoomVersions.V10, + ) + + with self.assertRaises(SynapseError): + event_auth._check_power_levels( + pl_event.room_version, pl_event, {("fake_type", "fake_key"): pl_event2} + ) + + with self.assertRaises(SynapseError): + event_auth._check_power_levels( + pl_event.room_version, pl_event2, {("fake_type", "fake_key"): pl_event} + ) + # helpers for making events TEST_DOMAIN = "example.com"