diff options
Diffstat (limited to 'synapse/visibility.py')
| -rw-r--r-- | synapse/visibility.py | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/synapse/visibility.py b/synapse/visibility.py index 199b16d827..aaca2c584c 100644 --- a/synapse/visibility.py +++ b/synapse/visibility.py @@ -17,7 +17,7 @@ from twisted.internet import defer from synapse.api.constants import Membership, EventTypes -from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred +from synapse.util.logcontext import make_deferred_yieldable, preserve_fn import logging @@ -43,7 +43,8 @@ MEMBERSHIP_PRIORITY = ( @defer.inlineCallbacks -def filter_events_for_clients(store, user_tuples, events, event_id_to_state): +def filter_events_for_clients(store, user_tuples, events, event_id_to_state, + always_include_ids=frozenset()): """ Returns dict of user_id -> list of events that user is allowed to see. @@ -54,9 +55,12 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state): * the user has not been a member of the room since the given events events ([synapse.events.EventBase]): list of events to filter + always_include_ids (set(event_id)): set of event ids to specifically + include (unless sender is ignored) """ - forgotten = yield preserve_context_over_deferred(defer.gatherResults([ - preserve_fn(store.who_forgot_in_room)( + forgotten = yield make_deferred_yieldable(defer.gatherResults([ + defer.maybeDeferred( + preserve_fn(store.who_forgot_in_room), room_id, ) for room_id in frozenset(e.room_id for e in events) @@ -90,6 +94,9 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state): if not event.is_state() and event.sender in ignore_list: return False + if event.event_id in always_include_ids: + return True + state = event_id_to_state[event.event_id] # get the room_visibility at the time of the event. @@ -134,6 +141,13 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state): if prev_membership not in MEMBERSHIP_PRIORITY: prev_membership = "leave" + # Always allow the user to see their own leave events, otherwise + # they won't see the room disappear if they reject the invite + if membership == "leave" and ( + prev_membership == "join" or prev_membership == "invite" + ): + return True + new_priority = MEMBERSHIP_PRIORITY.index(membership) old_priority = MEMBERSHIP_PRIORITY.index(prev_membership) if old_priority < new_priority: @@ -181,26 +195,8 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state): @defer.inlineCallbacks -def filter_events_for_clients_context(store, user_tuples, events, event_id_to_context): - user_ids = set(u[0] for u in user_tuples) - event_id_to_state = {} - for event_id, context in event_id_to_context.items(): - state = yield store.get_events([ - e_id - for key, e_id in context.current_state_ids.iteritems() - if key == (EventTypes.RoomHistoryVisibility, "") - or (key[0] == EventTypes.Member and key[1] in user_ids) - ]) - event_id_to_state[event_id] = state - - res = yield filter_events_for_clients( - store, user_tuples, events, event_id_to_state - ) - defer.returnValue(res) - - -@defer.inlineCallbacks -def filter_events_for_client(store, user_id, events, is_peeking=False): +def filter_events_for_client(store, user_id, events, is_peeking=False, + always_include_ids=frozenset()): """ Check which events a user is allowed to see @@ -224,6 +220,7 @@ def filter_events_for_client(store, user_id, events, is_peeking=False): types=types ) res = yield filter_events_for_clients( - store, [(user_id, is_peeking)], events, event_id_to_state + store, [(user_id, is_peeking)], events, event_id_to_state, + always_include_ids=always_include_ids, ) defer.returnValue(res.get(user_id, [])) |