diff options
Diffstat (limited to 'synapse/handlers/space_summary.py')
-rw-r--r-- | synapse/handlers/space_summary.py | 84 |
1 files changed, 56 insertions, 28 deletions
diff --git a/synapse/handlers/space_summary.py b/synapse/handlers/space_summary.py index b585057ec3..5f7d4602bd 100644 --- a/synapse/handlers/space_summary.py +++ b/synapse/handlers/space_summary.py @@ -24,6 +24,7 @@ from synapse.api.constants import ( EventContentFields, EventTypes, HistoryVisibility, + JoinRules, Membership, RoomTypes, ) @@ -89,14 +90,14 @@ class SpaceSummaryHandler: room_queue = deque((_RoomQueueEntry(room_id, ()),)) # rooms we have already processed - processed_rooms = set() # type: Set[str] + processed_rooms: Set[str] = set() # events we have already processed. We don't necessarily have their event ids, # so instead we key on (room id, state key) - processed_events = set() # type: Set[Tuple[str, str]] + processed_events: Set[Tuple[str, str]] = set() - rooms_result = [] # type: List[JsonDict] - events_result = [] # type: List[JsonDict] + rooms_result: List[JsonDict] = [] + events_result: List[JsonDict] = [] while room_queue and len(rooms_result) < MAX_ROOMS: queue_entry = room_queue.popleft() @@ -150,14 +151,21 @@ class SpaceSummaryHandler: # The room should only be included in the summary if: # a. the user is in the room; # b. the room is world readable; or - # c. the user is in a space that has been granted access to - # the room. + # c. the user could join the room, e.g. the join rules + # are set to public or the user is in a space that + # has been granted access to the room. # # Note that we know the user is not in the root room (which is # why the remote call was made in the first place), but the user # could be in one of the children rooms and we just didn't know # about the link. - include_room = room.get("world_readable") is True + + # The API doesn't return the room version so assume that a + # join rule of knock is valid. + include_room = ( + room.get("join_rules") in (JoinRules.PUBLIC, JoinRules.KNOCK) + or room.get("world_readable") is True + ) # Check if the user is a member of any of the allowed spaces # from the response. @@ -264,10 +272,10 @@ class SpaceSummaryHandler: # the set of rooms that we should not walk further. Initialise it with the # excluded-rooms list; we will add other rooms as we process them so that # we do not loop. - processed_rooms = set(exclude_rooms) # type: Set[str] + processed_rooms: Set[str] = set(exclude_rooms) - rooms_result = [] # type: List[JsonDict] - events_result = [] # type: List[JsonDict] + rooms_result: List[JsonDict] = [] + events_result: List[JsonDict] = [] while room_queue and len(rooms_result) < MAX_ROOMS: room_id = room_queue.popleft() @@ -345,7 +353,7 @@ class SpaceSummaryHandler: max_children = MAX_ROOMS_PER_SPACE now = self._clock.time_msec() - events_result = [] # type: List[JsonDict] + events_result: List[JsonDict] = [] for edge_event in itertools.islice(child_events, max_children): events_result.append( await self._event_serializer.serialize_event( @@ -420,9 +428,8 @@ class SpaceSummaryHandler: It should be included if: - * The requester is joined or invited to the room. - * The requester can join without an invite (per MSC3083). - * The origin server has any user that is joined or invited to the room. + * The requester is joined or can join the room (per MSC3173). + * The origin server has any user that is joined or can join the room. * The history visibility is set to world readable. Args: @@ -441,13 +448,39 @@ class SpaceSummaryHandler: # If there's no state for the room, it isn't known. if not state_ids: + # The user might have a pending invite for the room. + if requester and await self._store.get_invite_for_local_user_in_room( + requester, room_id + ): + return True + logger.info("room %s is unknown, omitting from summary", room_id) return False room_version = await self._store.get_room_version(room_id) - # if we have an authenticated requesting user, first check if they are able to view - # stripped state in the room. + # Include the room if it has join rules of public or knock. + join_rules_event_id = state_ids.get((EventTypes.JoinRules, "")) + if join_rules_event_id: + join_rules_event = await self._store.get_event(join_rules_event_id) + join_rule = join_rules_event.content.get("join_rule") + if join_rule == JoinRules.PUBLIC or ( + room_version.msc2403_knocking and join_rule == JoinRules.KNOCK + ): + return True + + # Include the room if it is peekable. + hist_vis_event_id = state_ids.get((EventTypes.RoomHistoryVisibility, "")) + if hist_vis_event_id: + hist_vis_ev = await self._store.get_event(hist_vis_event_id) + hist_vis = hist_vis_ev.content.get("history_visibility") + if hist_vis == HistoryVisibility.WORLD_READABLE: + return True + + # Otherwise we need to check information specific to the user or server. + + # If we have an authenticated requesting user, check if they are a member + # of the room (or can join the room). if requester: member_event_id = state_ids.get((EventTypes.Member, requester), None) @@ -470,9 +503,11 @@ class SpaceSummaryHandler: return True # If this is a request over federation, check if the host is in the room or - # is in one of the spaces specified via the join rules. + # has a user who could join the room. elif origin: - if await self._event_auth_handler.check_host_in_room(room_id, origin): + if await self._event_auth_handler.check_host_in_room( + room_id, origin + ) or await self._store.is_host_invited(room_id, origin): return True # Alternately, if the host has a user in any of the spaces specified @@ -490,18 +525,10 @@ class SpaceSummaryHandler: ): return True - # otherwise, check if the room is peekable - hist_vis_event_id = state_ids.get((EventTypes.RoomHistoryVisibility, ""), None) - if hist_vis_event_id: - hist_vis_ev = await self._store.get_event(hist_vis_event_id) - hist_vis = hist_vis_ev.content.get("history_visibility") - if hist_vis == HistoryVisibility.WORLD_READABLE: - return True - logger.info( - "room %s is unpeekable and user %s is not a member / not allowed to join, omitting from summary", + "room %s is unpeekable and requester %s is not a member / not allowed to join, omitting from summary", room_id, - requester, + requester or origin, ) return False @@ -535,6 +562,7 @@ class SpaceSummaryHandler: "canonical_alias": stats["canonical_alias"], "num_joined_members": stats["joined_members"], "avatar_url": stats["avatar"], + "join_rules": stats["join_rules"], "world_readable": ( stats["history_visibility"] == HistoryVisibility.WORLD_READABLE ), |