diff options
-rw-r--r-- | synapse/api/auth.py | 4 | ||||
-rw-r--r-- | synapse/handlers/federation.py | 41 | ||||
-rw-r--r-- | synapse/handlers/message.py | 8 |
3 files changed, 49 insertions, 4 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 66639b0089..54186695cd 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -488,7 +488,7 @@ class Auth(object): def _look_up_user_by_access_token(self, token): ret = yield self.store.get_user_by_access_token(token) if not ret: - logger.warn("Unrecognised access token - not in store: %s" % (token,)) + logger.warn("Unrecognised access token - not in store.") raise AuthError( self.TOKEN_NOT_FOUND_HTTP_STATUS, "Unrecognised access token.", errcode=Codes.UNKNOWN_TOKEN @@ -511,7 +511,7 @@ class Auth(object): ) service = self.store.get_app_service_by_token(token) if not service: - logger.warn("Unrecognised appservice access token: %s" % (token,)) + logger.warn("Unrecognised appservice access token.") raise AuthError( self.TOKEN_NOT_FOUND_HTTP_STATUS, "Unrecognised access token.", diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 1ca56c2c97..b6f8d4cf82 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -460,6 +460,47 @@ class FederationHandler(BaseHandler): @measure_func("_filter_events_for_server") @defer.inlineCallbacks def _filter_events_for_server(self, server_name, room_id, events): + """Filter the given events for the given server, redacting those the + server can't see. + + Assumes the server is currently in the room. + + Returns + list[FrozenEvent] + """ + # First lets check to see if all the events have a history visibility + # of "shared" or "world_readable". If thats the case then we don't + # need to check membership (as we know the server is in the room). + event_to_state_ids = yield self.store.get_state_ids_for_events( + frozenset(e.event_id for e in events), + types=( + (EventTypes.RoomHistoryVisibility, ""), + ) + ) + + visibility_ids = set() + for sids in event_to_state_ids.itervalues(): + hist = sids.get((EventTypes.RoomHistoryVisibility, "")) + if hist: + visibility_ids.add(hist) + + # If we failed to find any history visibility events then the default + # is "shared" visiblity. + if not visibility_ids: + defer.returnValue(events) + + event_map = yield self.store.get_events(visibility_ids) + all_open = all( + e.content.get("history_visibility") in (None, "shared", "world_readable") + for e in event_map.itervalues() + ) + + if all_open: + defer.returnValue(events) + + # Ok, so we're dealing with events that have non-trivial visibility + # rules, so we need to also get the memberships of the room. + event_to_state_ids = yield self.store.get_state_ids_for_events( frozenset(e.event_id for e in events), types=( diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index a812117dea..8467284758 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -491,7 +491,7 @@ class EventCreationHandler(object): target, e ) - is_exempt = yield self._is_exempt_from_privacy_policy(builder) + is_exempt = yield self._is_exempt_from_privacy_policy(builder, requester) if not is_exempt: yield self.assert_accepted_privacy_policy(requester) @@ -509,12 +509,13 @@ class EventCreationHandler(object): defer.returnValue((event, context)) - def _is_exempt_from_privacy_policy(self, builder): + def _is_exempt_from_privacy_policy(self, builder, requester): """"Determine if an event to be sent is exempt from having to consent to the privacy policy Args: builder (synapse.events.builder.EventBuilder): event being created + requester (Requster): user requesting this event Returns: Deferred[bool]: true if the event can be sent without the user @@ -525,6 +526,9 @@ class EventCreationHandler(object): membership = builder.content.get("membership", None) if membership == Membership.JOIN: return self._is_server_notices_room(builder.room_id) + elif membership == Membership.LEAVE: + # the user is always allowed to leave (but not kick people) + return builder.state_key == requester.user.to_string() return succeed(False) @defer.inlineCallbacks |