diff options
Diffstat (limited to 'synapse/handlers/directory.py')
| -rw-r--r-- | synapse/handlers/directory.py | 104 |
1 files changed, 82 insertions, 22 deletions
diff --git a/synapse/handlers/directory.py b/synapse/handlers/directory.py index 691564c651..6bcc5a5e2b 100644 --- a/synapse/handlers/directory.py +++ b/synapse/handlers/directory.py @@ -17,9 +17,9 @@ from twisted.internet import defer from ._base import BaseHandler -from synapse.api.errors import SynapseError, Codes, CodeMessageException +from synapse.api.errors import SynapseError, Codes, CodeMessageException, AuthError from synapse.api.constants import EventTypes -from synapse.types import RoomAlias +from synapse.types import RoomAlias, UserID import logging import string @@ -32,13 +32,15 @@ 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 ) @defer.inlineCallbacks - def _create_association(self, room_alias, room_id, servers=None): + def _create_association(self, room_alias, room_id, servers=None, creator=None): # general association creation for both human users and app services for wchar in string.whitespace: @@ -60,7 +62,8 @@ class DirectoryHandler(BaseHandler): yield self.store.create_room_alias_association( room_alias, room_id, - servers + servers, + creator=creator, ) @defer.inlineCallbacks @@ -77,7 +80,7 @@ class DirectoryHandler(BaseHandler): 400, "This alias is reserved by an application service.", errcode=Codes.EXCLUSIVE ) - yield self._create_association(room_alias, room_id, servers) + yield self._create_association(room_alias, room_id, servers, creator=user_id) @defer.inlineCallbacks def create_appservice_association(self, service, room_alias, room_id, @@ -92,10 +95,14 @@ 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 - # TODO Check if server admin + can_delete = yield self._user_can_delete_alias(room_alias, user_id) + if not can_delete: + raise AuthError( + 403, "You don't have permission to delete the alias.", + ) can_delete = yield self.can_modify_alias( room_alias, @@ -107,7 +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): @@ -124,11 +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): @@ -175,8 +198,8 @@ class DirectoryHandler(BaseHandler): # If this server is in the list of servers, return it first. if self.server_name in servers: servers = ( - [self.server_name] - + [s for s in servers if s != self.server_name] + [self.server_name] + + [s for s in servers if s != self.server_name] ) else: servers = list(servers) @@ -212,17 +235,44 @@ class DirectoryHandler(BaseHandler): ) @defer.inlineCallbacks - def send_room_alias_update_event(self, user_id, room_id): + def send_room_alias_update_event(self, requester, user_id, room_id): aliases = yield self.store.get_aliases_for_room(room_id) msg_handler = self.hs.get_handlers().message_handler - yield msg_handler.create_and_send_event({ - "type": EventTypes.Aliases, - "state_key": self.hs.hostname, - "room_id": room_id, - "sender": user_id, - "content": {"aliases": aliases}, - }, ratelimit=False) + yield msg_handler.create_and_send_nonmember_event( + requester, + { + "type": EventTypes.Aliases, + "state_key": self.hs.hostname, + "room_id": room_id, + "sender": user_id, + "content": {"aliases": aliases}, + }, + 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, "" + ) + + alias_str = room_alias.to_string() + if not alias_event or alias_event.content.get("alias", "") != alias_str: + 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): @@ -257,3 +307,13 @@ class DirectoryHandler(BaseHandler): return # either no interested services, or no service with an exclusive lock defer.returnValue(True) + + @defer.inlineCallbacks + def _user_can_delete_alias(self, alias, user_id): + creator = yield self.store.get_room_alias_creator(alias.to_string()) + + if creator and creator == user_id: + defer.returnValue(True) + + is_admin = yield self.auth.is_server_admin(UserID.from_string(user_id)) + defer.returnValue(is_admin) |