diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/space_summary.py | 93 |
1 files changed, 50 insertions, 43 deletions
diff --git a/synapse/handlers/space_summary.py b/synapse/handlers/space_summary.py index 2517f278b6..d04afe6c31 100644 --- a/synapse/handlers/space_summary.py +++ b/synapse/handlers/space_summary.py @@ -158,48 +158,10 @@ class SpaceSummaryHandler: room = room_entry.room fed_room_id = room_entry.room_id - # 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 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. - - # 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. - allowed_rooms = room.get("allowed_room_ids") or room.get( - "allowed_spaces" - ) - if ( - not include_room - and allowed_rooms - and isinstance(allowed_rooms, list) - ): - include_room = await self._event_auth_handler.is_user_in_rooms( - allowed_rooms, requester - ) - - # Finally, if this isn't the requested room, check ourselves - # if we can access the room. - if not include_room and fed_room_id != queue_entry.room_id: - include_room = await self._is_room_accessible( - fed_room_id, requester, None - ) - # The user can see the room, include it! - if include_room: + if await self._is_remote_room_accessible( + requester, fed_room_id, room + ): # Before returning to the client, remove the allowed_room_ids # and allowed_spaces keys. room.pop("allowed_room_ids", None) @@ -336,7 +298,7 @@ class SpaceSummaryHandler: Returns: A room entry if the room should be returned. None, otherwise. """ - if not await self._is_room_accessible(room_id, requester, origin): + if not await self._is_local_room_accessible(room_id, requester, origin): return None room_entry = await self._build_room_entry(room_id, for_federation=bool(origin)) @@ -438,7 +400,7 @@ class SpaceSummaryHandler: return results - async def _is_room_accessible( + async def _is_local_room_accessible( self, room_id: str, requester: Optional[str], origin: Optional[str] ) -> bool: """ @@ -550,6 +512,51 @@ class SpaceSummaryHandler: ) return False + async def _is_remote_room_accessible( + self, requester: str, room_id: str, room: JsonDict + ) -> bool: + """ + Calculate whether the room received over federation should be shown in the spaces summary. + + It should be included if: + + * The requester is joined or can join the room (per MSC3173). + * The history visibility is set to world readable. + + Note that the local server is not in the requested room (which is why the + remote call was made in the first place), but the user could have access + due to an invite, etc. + + Args: + requester: The user requesting the summary. + room_id: The room ID returned over federation. + room: The summary of the child room returned over federation. + + Returns: + True if the room should be included in the spaces summary. + """ + # The API doesn't return the room version so assume that a + # join rule of knock is valid. + if ( + room.get("join_rules") in (JoinRules.PUBLIC, JoinRules.KNOCK) + or room.get("world_readable") is True + ): + return True + + # Check if the user is a member of any of the allowed spaces + # from the response. + allowed_rooms = room.get("allowed_room_ids") or room.get("allowed_spaces") + if allowed_rooms and isinstance(allowed_rooms, list): + if await self._event_auth_handler.is_user_in_rooms( + allowed_rooms, requester + ): + return True + + # Finally, check locally if we can access the room. The user might + # already be in the room (if it was a child room), or there might be a + # pending invite, etc. + return await self._is_local_room_accessible(room_id, requester, None) + async def _build_room_entry(self, room_id: str, for_federation: bool) -> JsonDict: """ Generate en entry suitable for the 'rooms' list in the summary response. |