diff options
| -rw-r--r-- | changelog.d/7701.bugfix | 1 | ||||
| -rw-r--r-- | synapse/push/push_rule_evaluator.py | 4 | ||||
| -rw-r--r-- | tests/push/test_push_rule_evaluator.py | 39 |
3 files changed, 33 insertions, 11 deletions
diff --git a/changelog.d/7701.bugfix b/changelog.d/7701.bugfix new file mode 100644 index 0000000000..e5b10f75fd --- /dev/null +++ b/changelog.d/7701.bugfix @@ -0,0 +1 @@ +Do not break push rule evaluation when receiving an event with a non-string body. This is a long-standing bug. diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py index 11032491af..aeac257a6e 100644 --- a/synapse/push/push_rule_evaluator.py +++ b/synapse/push/push_rule_evaluator.py @@ -131,7 +131,7 @@ class PushRuleEvaluatorForEvent(object): # XXX: optimisation: cache our pattern regexps if condition["key"] == "content.body": body = self._event.content.get("body", None) - if not body: + if not body or not isinstance(body, str): return False return _glob_matches(pattern, body, word_boundary=True) @@ -147,7 +147,7 @@ class PushRuleEvaluatorForEvent(object): return False body = self._event.content.get("body", None) - if not body: + if not body or not isinstance(body, str): return False # Similar to _glob_matches, but do not treat display_name as a glob. diff --git a/tests/push/test_push_rule_evaluator.py b/tests/push/test_push_rule_evaluator.py index 9ae6a87d7b..af35d23aea 100644 --- a/tests/push/test_push_rule_evaluator.py +++ b/tests/push/test_push_rule_evaluator.py @@ -21,7 +21,7 @@ from tests import unittest class PushRuleEvaluatorTestCase(unittest.TestCase): - def setUp(self): + def _get_evaluator(self, content): event = FrozenEvent( { "event_id": "$event_id", @@ -29,37 +29,58 @@ class PushRuleEvaluatorTestCase(unittest.TestCase): "sender": "@user:test", "state_key": "", "room_id": "@room:test", - "content": {"body": "foo bar baz"}, + "content": content, }, RoomVersions.V1, ) room_member_count = 0 sender_power_level = 0 power_levels = {} - self.evaluator = PushRuleEvaluatorForEvent( + return PushRuleEvaluatorForEvent( event, room_member_count, sender_power_level, power_levels ) def test_display_name(self): """Check for a matching display name in the body of the event.""" + evaluator = self._get_evaluator({"body": "foo bar baz"}) + condition = { "kind": "contains_display_name", } # Blank names are skipped. - self.assertFalse(self.evaluator.matches(condition, "@user:test", "")) + self.assertFalse(evaluator.matches(condition, "@user:test", "")) # Check a display name that doesn't match. - self.assertFalse(self.evaluator.matches(condition, "@user:test", "not found")) + self.assertFalse(evaluator.matches(condition, "@user:test", "not found")) # Check a display name which matches. - self.assertTrue(self.evaluator.matches(condition, "@user:test", "foo")) + self.assertTrue(evaluator.matches(condition, "@user:test", "foo")) # A display name that matches, but not a full word does not result in a match. - self.assertFalse(self.evaluator.matches(condition, "@user:test", "ba")) + self.assertFalse(evaluator.matches(condition, "@user:test", "ba")) # A display name should not be interpreted as a regular expression. - self.assertFalse(self.evaluator.matches(condition, "@user:test", "ba[rz]")) + self.assertFalse(evaluator.matches(condition, "@user:test", "ba[rz]")) # A display name with spaces should work fine. - self.assertTrue(self.evaluator.matches(condition, "@user:test", "foo bar")) + self.assertTrue(evaluator.matches(condition, "@user:test", "foo bar")) + + def test_no_body(self): + """Not having a body shouldn't break the evaluator.""" + evaluator = self._get_evaluator({}) + + condition = { + "kind": "contains_display_name", + } + self.assertFalse(evaluator.matches(condition, "@user:test", "foo")) + + def test_invalid_body(self): + """A non-string body should not break the evaluator.""" + condition = { + "kind": "contains_display_name", + } + + for body in (1, True, {"foo": "bar"}): + evaluator = self._get_evaluator({"body": body}) + self.assertFalse(evaluator.matches(condition, "@user:test", "foo")) |