Update aliases event after deletion

Attempt to update the appropriate `m.room.aliases` event after deleting
an alias. This may fail due to the deleter not being in the room.

Will also check if the canonical alias of the event is set to the
deleted alias, and if so will attempt to delete it.
This commit is contained in:
Erik Johnston 2016-03-17 11:09:03 +00:00
parent 48b2e853a8
commit 2cd9260500
2 changed files with 48 additions and 7 deletions

View File

@ -32,6 +32,8 @@ class DirectoryHandler(BaseHandler):
def __init__(self, hs):
super(DirectoryHandler, self).__init__(hs)
self.state = hs.get_state_handler()
self.federation = hs.get_replication_layer()
self.federation.register_query_handler(
"directory", self.on_directory_query
@ -93,7 +95,7 @@ class DirectoryHandler(BaseHandler):
yield self._create_association(room_alias, room_id, servers)
@defer.inlineCallbacks
def delete_association(self, user_id, room_alias):
def delete_association(self, requester, user_id, room_alias):
# association deletion for human users
can_delete = yield self._user_can_delete_alias(room_alias, user_id)
@ -112,7 +114,25 @@ class DirectoryHandler(BaseHandler):
errcode=Codes.EXCLUSIVE
)
yield self._delete_association(room_alias)
room_id = yield self._delete_association(room_alias)
try:
yield self.send_room_alias_update_event(
requester,
requester.user.to_string(),
room_id
)
yield self._update_canonical_alias(
requester,
requester.user.to_string(),
room_id,
room_alias,
)
except AuthError as e:
logger.info("Failed to update alias events: %s", e)
defer.returnValue(room_id)
@defer.inlineCallbacks
def delete_appservice_association(self, service, room_alias):
@ -129,11 +149,9 @@ class DirectoryHandler(BaseHandler):
if not self.hs.is_mine(room_alias):
raise SynapseError(400, "Room alias must be local")
yield self.store.delete_room_alias(room_alias)
room_id = yield self.store.delete_room_alias(room_alias)
# TODO - Looks like _update_room_alias_event has never been implemented
# if room_id:
# yield self._update_room_alias_events(user_id, room_id)
defer.returnValue(room_id)
@defer.inlineCallbacks
def get_association(self, room_alias):
@ -233,6 +251,28 @@ class DirectoryHandler(BaseHandler):
ratelimit=False
)
@defer.inlineCallbacks
def _update_canonical_alias(self, requester, user_id, room_id, room_alias):
alias_event = yield self.state.get_current_state(
room_id, EventTypes.CanonicalAlias, ""
)
if alias_event.content.get("alias", "") != room_alias.to_string():
return
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.CanonicalAlias,
"state_key": "",
"room_id": room_id,
"sender": user_id,
"content": {},
},
ratelimit=False
)
@defer.inlineCallbacks
def get_association_from_room_alias(self, room_alias):
result = yield self.store.get_association_from_room_alias(

View File

@ -127,8 +127,9 @@ class ClientDirectoryServer(ClientV1RestServlet):
room_alias = RoomAlias.from_string(room_alias)
yield dir_handler.delete_association(
user.to_string(), room_alias
requester, user.to_string(), room_alias
)
logger.info(
"User %s deleted alias %s",
user.to_string(),