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Diffstat (limited to 'synapse/handlers/message.py')
| -rw-r--r-- | synapse/handlers/message.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index c955a86be0..593c0cc6f1 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -15,6 +15,7 @@ # See the License for the specific language governing permissions and # limitations under the License. import logging +import random from typing import TYPE_CHECKING, Dict, List, Optional, Tuple from canonicaljson import encode_canonical_json @@ -34,6 +35,7 @@ from synapse.api.errors import ( Codes, ConsentNotGivenError, NotFoundError, + ShadowBanError, SynapseError, ) from synapse.api.room_versions import KNOWN_ROOM_VERSIONS, RoomVersions @@ -716,12 +718,20 @@ class EventCreationHandler(object): event_dict: dict, ratelimit: bool = True, txn_id: Optional[str] = None, + ignore_shadow_ban: bool = False, ) -> Tuple[EventBase, int]: """ Creates an event, then sends it. See self.create_event and self.send_nonmember_event. + + Raises: + ShadowBanError if the requester has been shadow-banned. """ + if not ignore_shadow_ban and requester.shadow_banned: + # We randomly sleep a bit just to annoy the requester. + await self.clock.sleep(random.randint(1, 10)) + raise ShadowBanError() # We limit the number of concurrent event sends in a room so that we # don't fork the DAG too much. If we don't limit then we can end up in |