diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py
index 02f12f6645..0699731c13 100644
--- a/synapse/handlers/directory.py
+++ b/synapse/handlers/directory.py
@@ -43,6 +43,7 @@ class DirectoryHandler(BaseHandler):
self.state = hs.get_state_handler()
self.appservice_handler = hs.get_application_service_handler()
self.event_creation_handler = hs.get_event_creation_handler()
+ self.config = hs.config
self.federation = hs.get_federation_client()
hs.get_federation_registry().register_query_handler(
@@ -111,6 +112,14 @@ class DirectoryHandler(BaseHandler):
403, "This user is not permitted to create this alias",
)
+ if not self.config.is_alias_creation_allowed(user_id, room_alias.to_string()):
+ # Lets just return a generic message, as there may be all sorts of
+ # reasons why we said no. TODO: Allow configurable error messages
+ # per alias creation rule?
+ raise SynapseError(
+ 403, "Not allowed to create alias",
+ )
+
can_create = yield self.can_modify_alias(
room_alias,
user_id=user_id
@@ -129,9 +138,30 @@ class DirectoryHandler(BaseHandler):
)
@defer.inlineCallbacks
- def delete_association(self, requester, room_alias):
- # association deletion for human users
+ def delete_association(self, requester, room_alias, send_event=True):
+ """Remove an alias from the directory
+
+ (this is only meant for human users; AS users should call
+ delete_appservice_association)
+
+ Args:
+ requester (Requester):
+ room_alias (RoomAlias):
+ send_event (bool): Whether to send an updated m.room.aliases event.
+ Note that, if we delete the canonical alias, we will always attempt
+ to send an m.room.canonical_alias event
+
+ Returns:
+ Deferred[unicode]: room id that the alias used to point to
+ Raises:
+ NotFoundError: if the alias doesn't exist
+
+ AuthError: if the user doesn't have perms to delete the alias (ie, the user
+ is neither the creator of the alias, nor a server admin.
+
+ SynapseError: if the alias belongs to an AS
+ """
user_id = requester.user.to_string()
try:
@@ -159,10 +189,11 @@ class DirectoryHandler(BaseHandler):
room_id = yield self._delete_association(room_alias)
try:
- yield self.send_room_alias_update_event(
- requester,
- room_id
- )
+ if send_event:
+ yield self.send_room_alias_update_event(
+ requester,
+ room_id
+ )
yield self._update_canonical_alias(
requester,
|