diff options
Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 665ad19b5d..da206e1ec1 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -15,7 +15,7 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging -from typing import Optional, Tuple +from typing import TYPE_CHECKING, Optional, Tuple from canonicaljson import encode_canonical_json, json @@ -55,6 +55,9 @@ from synapse.visibility import filter_events_for_client from ._base import BaseHandler +if TYPE_CHECKING: + from synapse.server import HomeServer + logger = logging.getLogger(__name__) @@ -349,7 +352,7 @@ _DUMMY_EVENT_ROOM_EXCLUSION_EXPIRY = 7 * 24 * 60 * 60 * 1000 class EventCreationHandler(object): - def __init__(self, hs): + def __init__(self, hs: "HomeServer"): self.hs = hs self.auth = hs.get_auth() self.store = hs.get_datastore() @@ -814,11 +817,17 @@ class EventCreationHandler(object): 403, "This event is not allowed in this context", Codes.FORBIDDEN ) - try: - await self.auth.check_from_context(room_version, event, context) - except AuthError as err: - logger.warning("Denying new event %r because %s", event, err) - raise err + if event.internal_metadata.is_out_of_band_membership(): + # the only sort of out-of-band-membership events we expect to see here + # are invite rejections we have generated ourselves. + assert event.type == EventTypes.Member + assert event.content["membership"] == Membership.LEAVE + else: + try: + await self.auth.check_from_context(room_version, event, context) + except AuthError as err: + logger.warning("Denying new event %r because %s", event, err) + raise err # Ensure that we can round trip before trying to persist in db try: |