diff options
| -rw-r--r-- | synapse/api/constants.py | 1 | ||||
| -rw-r--r-- | synapse/handlers/_base.py | 18 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 1 |
3 files changed, 19 insertions, 1 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py index 7156ee4e7d..60a0d336da 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -76,6 +76,7 @@ class EventTypes(object): Feedback = "m.room.message.feedback" RoomHistoryVisibility = "m.room.history_visibility" + CanonicalAlias = "m.room.canonical_alias" # These are used for validation Message = "m.room.message" diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index d6c064b398..e91f1129db 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -18,7 +18,7 @@ from twisted.internet import defer from synapse.api.errors import LimitExceededError, SynapseError from synapse.crypto.event_signing import add_hashes_and_signatures from synapse.api.constants import Membership, EventTypes -from synapse.types import UserID +from synapse.types import UserID, RoomAlias from synapse.util.logcontext import PreserveLoggingContext @@ -130,6 +130,22 @@ class BaseHandler(object): returned_invite.signatures ) + if event.type == EventTypes.CanonicalAlias: + # Check the alias is acually valid (at this time at least) + room_alias_str = event.content.get("alias", None) + if room_alias_str: + room_alias = RoomAlias.from_string(room_alias_str) + directory_handler = self.hs.get_handlers().directory_handler + mapping = yield directory_handler.get_association(room_alias) + + if mapping["room_id"] != event.room_id: + raise SynapseError( + 400, + "Room alias %s does not point to the room" % ( + room_alias_str, + ) + ) + destinations = set(extra_destinations) for k, s in context.current_state.items(): try: diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 82c16013a3..8108c2763d 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -250,6 +250,7 @@ class RoomCreationHandler(BaseHandler): EventTypes.Name: 100, EventTypes.PowerLevels: 100, EventTypes.RoomHistoryVisibility: 100, + EventTypes.CanonicalAlias: 100, }, "events_default": 0, "state_default": 50, |