diff options
| -rw-r--r-- | synapse/api/auth.py | 16 | ||||
| -rw-r--r-- | synapse/handlers/initial_sync.py | 4 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 12 | ||||
| -rw-r--r-- | synapse/handlers/pagination.py | 4 | ||||
| -rw-r--r-- | synapse/rest/client/v2_alpha/relations.py | 12 |
5 files changed, 33 insertions, 15 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index de7b75ca36..f576d65388 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -625,10 +625,18 @@ class Auth(object): return query_params[0].decode("ascii") @defer.inlineCallbacks - def check_in_room_or_world_readable(self, room_id, user_id): + def check_user_in_room_or_world_readable( + self, room_id: str, user_id: str, allow_departed_users: bool = False + ): """Checks that the user is or was in the room or the room is world readable. If it isn't then an exception is raised. + Args: + room_id: room to check + user_id: user to check + allow_departed_users: if True, accept users that were previously + members but have now departed + Returns: Deferred[tuple[str, str|None]]: Resolves to the current membership of the user in the room and the membership event ID of the user. If @@ -643,7 +651,7 @@ class Auth(object): # * The user is a guest user, and has joined the room # else it will throw. member_event = yield self.check_user_in_room( - room_id, user_id, allow_departed_users=True + room_id, user_id, allow_departed_users=allow_departed_users ) return member_event.membership, member_event.event_id except AuthError: @@ -656,7 +664,9 @@ class Auth(object): ): return Membership.JOIN, None raise AuthError( - 403, "Guest access not allowed", errcode=Codes.GUEST_ACCESS_FORBIDDEN + 403, + "User %s not in room %s, and room previews are disabled" + % (user_id, room_id), ) @defer.inlineCallbacks diff --git a/synapse/handlers/initial_sync.py b/synapse/handlers/initial_sync.py index b7c6a921d9..b116500c7d 100644 --- a/synapse/handlers/initial_sync.py +++ b/synapse/handlers/initial_sync.py @@ -277,7 +277,9 @@ class InitialSyncHandler(BaseHandler): ( membership, member_event_id, - ) = await self.auth.check_user_in_room_or_world_readable(room_id, user_id) + ) = await self.auth.check_user_in_room_or_world_readable( + room_id, user_id, allow_departed_users=True, + ) is_peeking = member_event_id is None if membership == Membership.JOIN: diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index be6ae18a92..d6be280952 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -99,7 +99,9 @@ class MessageHandler(object): ( membership, membership_event_id, - ) = yield self.auth.check_in_room_or_world_readable(room_id, user_id) + ) = yield self.auth.check_user_in_room_or_world_readable( + room_id, user_id, allow_departed_users=True + ) if membership == Membership.JOIN: data = yield self.state.get_current_state(room_id, event_type, state_key) @@ -177,7 +179,9 @@ class MessageHandler(object): ( membership, membership_event_id, - ) = yield self.auth.check_in_room_or_world_readable(room_id, user_id) + ) = yield self.auth.check_user_in_room_or_world_readable( + room_id, user_id, allow_departed_users=True + ) if membership == Membership.JOIN: state_ids = yield self.store.get_filtered_current_state_ids( @@ -216,8 +220,8 @@ class MessageHandler(object): if not requester.app_service: # We check AS auth after fetching the room membership, as it # requires us to pull out all joined members anyway. - membership, _ = yield self.auth.check_in_room_or_world_readable( - room_id, user_id + membership, _ = yield self.auth.check_user_in_room_or_world_readable( + room_id, user_id, allow_departed_users=True ) if membership != Membership.JOIN: raise NotImplementedError( diff --git a/synapse/handlers/pagination.py b/synapse/handlers/pagination.py index caf841a643..254a9f6856 100644 --- a/synapse/handlers/pagination.py +++ b/synapse/handlers/pagination.py @@ -335,7 +335,9 @@ class PaginationHandler(object): ( membership, member_event_id, - ) = await self.auth.check_in_room_or_world_readable(room_id, user_id) + ) = await self.auth.check_user_in_room_or_world_readable( + room_id, user_id, allow_departed_users=True + ) if source_config.direction == "b": # if we're going backwards, we might need to backfill. This diff --git a/synapse/rest/client/v2_alpha/relations.py b/synapse/rest/client/v2_alpha/relations.py index 9be9a34b91..63f07b63da 100644 --- a/synapse/rest/client/v2_alpha/relations.py +++ b/synapse/rest/client/v2_alpha/relations.py @@ -142,8 +142,8 @@ class RelationPaginationServlet(RestServlet): ): requester = await self.auth.get_user_by_req(request, allow_guest=True) - await self.auth.check_in_room_or_world_readable( - room_id, requester.user.to_string() + await self.auth.check_user_in_room_or_world_readable( + room_id, requester.user.to_string(), allow_departed_users=True ) # This gets the original event and checks that a) the event exists and @@ -235,8 +235,8 @@ class RelationAggregationPaginationServlet(RestServlet): ): requester = await self.auth.get_user_by_req(request, allow_guest=True) - await self.auth.check_in_room_or_world_readable( - room_id, requester.user.to_string() + await self.auth.check_user_in_room_or_world_readable( + room_id, requester.user.to_string(), allow_departed_users=True, ) # This checks that a) the event exists and b) the user is allowed to @@ -313,8 +313,8 @@ class RelationAggregationGroupPaginationServlet(RestServlet): async def on_GET(self, request, room_id, parent_id, relation_type, event_type, key): requester = await self.auth.get_user_by_req(request, allow_guest=True) - await self.auth.check_in_room_or_world_readable( - room_id, requester.user.to_string() + await self.auth.check_user_in_room_or_world_readable( + room_id, requester.user.to_string(), allow_departed_users=True, ) # This checks that a) the event exists and b) the user is allowed to |