diff options
| -rw-r--r-- | changelog.d/10189.misc | 1 | ||||
| -rw-r--r-- | synapse/api/constants.py | 6 | ||||
| -rw-r--r-- | synapse/handlers/event_auth.py | 45 | ||||
| -rw-r--r-- | synapse/handlers/space_summary.py | 26 |
4 files changed, 47 insertions, 31 deletions
diff --git a/changelog.d/10189.misc b/changelog.d/10189.misc new file mode 100644 index 0000000000..df0e636c7d --- /dev/null +++ b/changelog.d/10189.misc @@ -0,0 +1 @@ +Update MSC3083 support for modifications in the MSC. diff --git a/synapse/api/constants.py b/synapse/api/constants.py index ca13843680..6c3958f7ab 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -65,6 +65,12 @@ class JoinRules: MSC3083_RESTRICTED = "restricted" +class RestrictedJoinRuleTypes: + """Understood types for the allow rules in restricted join rules.""" + + ROOM_MEMBERSHIP = "m.room_membership" + + class LoginType: PASSWORD = "m.login.password" EMAIL_IDENTITY = "m.login.email.identity" diff --git a/synapse/handlers/event_auth.py b/synapse/handlers/event_auth.py index a0df16a32f..989996b628 100644 --- a/synapse/handlers/event_auth.py +++ b/synapse/handlers/event_auth.py @@ -13,7 +13,12 @@ # limitations under the License. from typing import TYPE_CHECKING, Collection, Optional -from synapse.api.constants import EventTypes, JoinRules, Membership +from synapse.api.constants import ( + EventTypes, + JoinRules, + Membership, + RestrictedJoinRuleTypes, +) from synapse.api.errors import AuthError from synapse.api.room_versions import RoomVersion from synapse.events import EventBase @@ -42,7 +47,7 @@ class EventAuthHandler: Check whether a user can join a room without an invite due to restricted join rules. When joining a room with restricted joined rules (as defined in MSC3083), - the membership of spaces must be checked during a room join. + the membership of rooms must be checked during a room join. Args: state_ids: The state of the room as it currently is. @@ -67,20 +72,20 @@ class EventAuthHandler: if not await self.has_restricted_join_rules(state_ids, room_version): return - # Get the spaces which allow access to this room and check if the user is + # Get the rooms which allow access to this room and check if the user is # in any of them. - allowed_spaces = await self.get_spaces_that_allow_join(state_ids) - if not await self.is_user_in_rooms(allowed_spaces, user_id): + allowed_rooms = await self.get_rooms_that_allow_join(state_ids) + if not await self.is_user_in_rooms(allowed_rooms, user_id): raise AuthError( 403, - "You do not belong to any of the required spaces to join this room.", + "You do not belong to any of the required rooms to join this room.", ) async def has_restricted_join_rules( self, state_ids: StateMap[str], room_version: RoomVersion ) -> bool: """ - Return if the room has the proper join rules set for access via spaces. + Return if the room has the proper join rules set for access via rooms. Args: state_ids: The state of the room as it currently is. @@ -102,17 +107,17 @@ class EventAuthHandler: join_rules_event = await self._store.get_event(join_rules_event_id) return join_rules_event.content.get("join_rule") == JoinRules.MSC3083_RESTRICTED - async def get_spaces_that_allow_join( + async def get_rooms_that_allow_join( self, state_ids: StateMap[str] ) -> Collection[str]: """ - Generate a list of spaces which allow access to a room. + Generate a list of rooms in which membership allows access to a room. Args: - state_ids: The state of the room as it currently is. + state_ids: The current state of the room the user wishes to join Returns: - A collection of spaces which provide membership to the room. + A collection of room IDs. Membership in any of the rooms in the list grants the ability to join the target room. """ # If there's no join rule, then it defaults to invite (so this doesn't apply). join_rules_event_id = state_ids.get((EventTypes.JoinRules, ""), None) @@ -123,21 +128,25 @@ class EventAuthHandler: join_rules_event = await self._store.get_event(join_rules_event_id) # If allowed is of the wrong form, then only allow invited users. - allowed_spaces = join_rules_event.content.get("allow", []) - if not isinstance(allowed_spaces, list): + allow_list = join_rules_event.content.get("allow", []) + if not isinstance(allow_list, list): return () # Pull out the other room IDs, invalid data gets filtered. result = [] - for space in allowed_spaces: - if not isinstance(space, dict): + for allow in allow_list: + if not isinstance(allow, dict): + continue + + # If the type is unexpected, skip it. + if allow.get("type") != RestrictedJoinRuleTypes.ROOM_MEMBERSHIP: continue - space_id = space.get("space") - if not isinstance(space_id, str): + room_id = allow.get("room_id") + if not isinstance(room_id, str): continue - result.append(space_id) + result.append(room_id) return result diff --git a/synapse/handlers/space_summary.py b/synapse/handlers/space_summary.py index 73d2aab15c..e953a8afe6 100644 --- a/synapse/handlers/space_summary.py +++ b/synapse/handlers/space_summary.py @@ -160,14 +160,14 @@ class SpaceSummaryHandler: # Check if the user is a member of any of the allowed spaces # from the response. - allowed_spaces = room.get("allowed_spaces") + allowed_rooms = room.get("allowed_spaces") if ( not include_room - and allowed_spaces - and isinstance(allowed_spaces, list) + and allowed_rooms + and isinstance(allowed_rooms, list) ): include_room = await self._event_auth_handler.is_user_in_rooms( - allowed_spaces, requester + allowed_rooms, requester ) # Finally, if this isn't the requested room, check ourselves @@ -455,11 +455,11 @@ class SpaceSummaryHandler: if self._event_auth_handler.has_restricted_join_rules( state_ids, room_version ): - allowed_spaces = ( - await self._event_auth_handler.get_spaces_that_allow_join(state_ids) + allowed_rooms = ( + await self._event_auth_handler.get_rooms_that_allow_join(state_ids) ) if await self._event_auth_handler.is_user_in_rooms( - allowed_spaces, requester + allowed_rooms, requester ): return True @@ -475,10 +475,10 @@ class SpaceSummaryHandler: if await self._event_auth_handler.has_restricted_join_rules( state_ids, room_version ): - allowed_spaces = ( - await self._event_auth_handler.get_spaces_that_allow_join(state_ids) + allowed_rooms = ( + await self._event_auth_handler.get_rooms_that_allow_join(state_ids) ) - for space_id in allowed_spaces: + for space_id in allowed_rooms: if await self._auth.check_host_in_room(space_id, origin): return True @@ -512,11 +512,11 @@ class SpaceSummaryHandler: ) room_version = await self._store.get_room_version(room_id) - allowed_spaces = None + allowed_rooms = None if await self._event_auth_handler.has_restricted_join_rules( current_state_ids, room_version ): - allowed_spaces = await self._event_auth_handler.get_spaces_that_allow_join( + allowed_rooms = await self._event_auth_handler.get_rooms_that_allow_join( current_state_ids ) @@ -533,7 +533,7 @@ class SpaceSummaryHandler: "guest_can_join": stats["guest_access"] == "can_join", "creation_ts": create_event.origin_server_ts, "room_type": create_event.content.get(EventContentFields.ROOM_TYPE), - "allowed_spaces": allowed_spaces, + "allowed_spaces": allowed_rooms, } # Filter out Nones – rather omit the field altogether |