diff options
| -rw-r--r-- | changelog.d/14073.misc | 1 | ||||
| -rw-r--r-- | mypy.ini | 3 | ||||
| -rw-r--r-- | synapse/push/bulk_push_rule_evaluator.py | 9 | ||||
| -rw-r--r-- | tests/push/test_bulk_push_rule_evaluator.py | 74 |
4 files changed, 86 insertions, 1 deletions
diff --git a/changelog.d/14073.misc b/changelog.d/14073.misc new file mode 100644 index 0000000000..7775500194 --- /dev/null +++ b/changelog.d/14073.misc @@ -0,0 +1 @@ +Fix a bug introduced in Synapse 1.68.0 where messages could not be sent in rooms with non-integer `notifications` power level. diff --git a/mypy.ini b/mypy.ini index 64f9097206..34b4523e00 100644 --- a/mypy.ini +++ b/mypy.ini @@ -106,6 +106,9 @@ disallow_untyped_defs = False [mypy-tests.handlers.test_user_directory] disallow_untyped_defs = True +[mypy-tests.push.test_bulk_push_rule_evaluator] +disallow_untyped_defs = True + [mypy-tests.test_server] disallow_untyped_defs = True diff --git a/synapse/push/bulk_push_rule_evaluator.py b/synapse/push/bulk_push_rule_evaluator.py index 4270438918..998354648f 100644 --- a/synapse/push/bulk_push_rule_evaluator.py +++ b/synapse/push/bulk_push_rule_evaluator.py @@ -289,11 +289,18 @@ class BulkPushRuleEvaluator: if relation.rel_type == RelationTypes.THREAD: thread_id = relation.parent_id + # It's possible that old room versions have non-integer power levels (floats or + # strings). Workaround this by explicitly converting to int. + notification_levels = power_levels.get("notifications", {}) + if not event.room_version.msc3667_int_only_power_levels: + for user_id, level in notification_levels.items(): + notification_levels[user_id] = int(level) + evaluator = PushRuleEvaluator( _flatten_dict(event), room_member_count, sender_power_level, - power_levels.get("notifications", {}), + notification_levels, relations, self._relations_match_enabled, ) diff --git a/tests/push/test_bulk_push_rule_evaluator.py b/tests/push/test_bulk_push_rule_evaluator.py new file mode 100644 index 0000000000..675d7df2ac --- /dev/null +++ b/tests/push/test_bulk_push_rule_evaluator.py @@ -0,0 +1,74 @@ +from unittest.mock import patch + +from synapse.api.room_versions import RoomVersions +from synapse.push.bulk_push_rule_evaluator import BulkPushRuleEvaluator +from synapse.rest import admin +from synapse.rest.client import login, register, room +from synapse.types import create_requester + +from tests import unittest + + +class TestBulkPushRuleEvaluator(unittest.HomeserverTestCase): + + servlets = [ + admin.register_servlets_for_client_rest_resource, + room.register_servlets, + login.register_servlets, + register.register_servlets, + ] + + def test_action_for_event_by_user_handles_noninteger_power_levels(self) -> None: + """We should convert floats and strings to integers before passing to Rust. + + Reproduces #14060. + + A lack of validation: the gift that keeps on giving. + """ + # Create a new user and room. + alice = self.register_user("alice", "pass") + token = self.login(alice, "pass") + + room_id = self.helper.create_room_as( + alice, room_version=RoomVersions.V9.identifier, tok=token + ) + + # Alter the power levels in that room to include stringy and floaty levels. + # We need to suppress the validation logic or else it will reject these dodgy + # values. (Presumably this validation was not always present.) + event_creation_handler = self.hs.get_event_creation_handler() + requester = create_requester(alice) + with patch("synapse.events.validator.validate_canonicaljson"), patch( + "synapse.events.validator.jsonschema.validate" + ): + self.helper.send_state( + room_id, + "m.room.power_levels", + { + "users": {alice: "100"}, # stringy + "notifications": {"room": 100.0}, # float + }, + token, + state_key="", + ) + + # Create a new message event, and try to evaluate it under the dodgy + # power level event. + event, context = self.get_success( + event_creation_handler.create_event( + requester, + { + "type": "m.room.message", + "room_id": room_id, + "content": { + "msgtype": "m.text", + "body": "helo", + }, + "sender": alice, + }, + ) + ) + + bulk_evaluator = BulkPushRuleEvaluator(self.hs) + # should not raise + self.get_success(bulk_evaluator.action_for_event_by_user(event, context)) |