diff options
Diffstat (limited to '')
| -rw-r--r-- | changelog.d/11071.misc | 1 | ||||
| -rw-r--r-- | tests/rest/client/test_third_party_rules.py | 56 |
2 files changed, 51 insertions, 6 deletions
diff --git a/changelog.d/11071.misc b/changelog.d/11071.misc new file mode 100644 index 0000000000..33a11abdd5 --- /dev/null +++ b/changelog.d/11071.misc @@ -0,0 +1 @@ +Add a test for the workaround introduced in [\#11042](https://github.com/matrix-org/synapse/pull/11042) concerning the behaviour of third-party rule modules and `SynapseError`s. diff --git a/tests/rest/client/test_third_party_rules.py b/tests/rest/client/test_third_party_rules.py index 38ac9be113..531f09c48b 100644 --- a/tests/rest/client/test_third_party_rules.py +++ b/tests/rest/client/test_third_party_rules.py @@ -12,25 +12,28 @@ # See the License for the specific language governing permissions and # limitations under the License. import threading -from typing import Dict +from typing import TYPE_CHECKING, Dict, Optional, Tuple from unittest.mock import Mock from synapse.api.constants import EventTypes +from synapse.api.errors import SynapseError from synapse.events import EventBase from synapse.events.third_party_rules import load_legacy_third_party_event_rules -from synapse.module_api import ModuleApi from synapse.rest import admin from synapse.rest.client import login, room -from synapse.types import Requester, StateMap +from synapse.types import JsonDict, Requester, StateMap from synapse.util.frozenutils import unfreeze from tests import unittest +if TYPE_CHECKING: + from synapse.module_api import ModuleApi + thread_local = threading.local() class LegacyThirdPartyRulesTestModule: - def __init__(self, config: Dict, module_api: ModuleApi): + def __init__(self, config: Dict, module_api: "ModuleApi"): # keep a record of the "current" rules module, so that the test can patch # it if desired. thread_local.rules_module = self @@ -50,7 +53,7 @@ class LegacyThirdPartyRulesTestModule: class LegacyDenyNewRooms(LegacyThirdPartyRulesTestModule): - def __init__(self, config: Dict, module_api: ModuleApi): + def __init__(self, config: Dict, module_api: "ModuleApi"): super().__init__(config, module_api) def on_create_room( @@ -60,7 +63,7 @@ class LegacyDenyNewRooms(LegacyThirdPartyRulesTestModule): class LegacyChangeEvents(LegacyThirdPartyRulesTestModule): - def __init__(self, config: Dict, module_api: ModuleApi): + def __init__(self, config: Dict, module_api: "ModuleApi"): super().__init__(config, module_api) async def check_event_allowed(self, event: EventBase, state: StateMap[EventBase]): @@ -136,6 +139,47 @@ class ThirdPartyRulesTestCase(unittest.HomeserverTestCase): ) self.assertEquals(channel.result["code"], b"403", channel.result) + def test_third_party_rules_workaround_synapse_errors_pass_through(self): + """ + Tests that the workaround introduced by https://github.com/matrix-org/synapse/pull/11042 + is functional: that SynapseErrors are passed through from check_event_allowed + and bubble up to the web resource. + + NEW MODULES SHOULD NOT MAKE USE OF THIS WORKAROUND! + This is a temporary workaround! + """ + + class NastyHackException(SynapseError): + def error_dict(self): + """ + This overrides SynapseError's `error_dict` to nastily inject + JSON into the error response. + """ + result = super().error_dict() + result["nasty"] = "very" + return result + + # add a callback that will raise our hacky exception + async def check(ev, state) -> Tuple[bool, Optional[JsonDict]]: + raise NastyHackException(429, "message") + + self.hs.get_third_party_event_rules()._check_event_allowed_callbacks = [check] + + # Make a request + channel = self.make_request( + "PUT", + "/_matrix/client/r0/rooms/%s/send/foo.bar.forbidden/2" % self.room_id, + {}, + access_token=self.tok, + ) + # Check the error code + self.assertEquals(channel.result["code"], b"429", channel.result) + # Check the JSON body has had the `nasty` key injected + self.assertEqual( + channel.json_body, + {"errcode": "M_UNKNOWN", "error": "message", "nasty": "very"}, + ) + def test_cannot_modify_event(self): """cannot accidentally modify an event before it is persisted""" |