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Refactor a bit

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Brendan Abolivier 2020-03-11 18:49:41 +00:00
parent 37a9873f63
commit 8120a238a4
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1 changed files with 25 additions and 23 deletions
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48
synapse/visibility.py
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@ -118,34 +118,36 @@ def filter_events_for_client(
the original event if they can see it as normal.
"""
if event.type == "org.matrix.dummy_event" and filter_send_to_client:
return None
# Only run some checks if these events aren't about to be sent to clients. This is
# because, if this is not the case, we're probably only checking if the users can
# see events in the room at that point in the DAG, and that shouldn't be decided
# on those checks.
if filter_send_to_client:
if event.type == "org.matrix.dummy_event":
return None
if (
not event.is_state()
and event.sender in ignore_list
and filter_send_to_client
):
return None
if not event.is_state() and event.sender in ignore_list:
return None
# Until MSC2261 has landed we can't redact malicious alias events, so for
# now we temporarily filter out m.room.aliases entirely to mitigate
# abuse, while we spec a better solution to advertising aliases
# on rooms.
if event.type == EventTypes.Aliases and filter_send_to_client:
return None
# Until MSC2261 has landed we can't redact malicious alias events, so for
# now we temporarily filter out m.room.aliases entirely to mitigate
# abuse, while we spec a better solution to advertising aliases
# on rooms.
if event.type == EventTypes.Aliases:
return None
# Don't try to apply the room's retention policy if the event is a state event, as
# MSC1763 states that retention is only considered for non-state events.
if filter_send_to_client and not event.is_state():
retention_policy = retention_policies[event.room_id]
max_lifetime = retention_policy.get("max_lifetime")
# Don't try to apply the room's retention policy if the event is a state
# event, as MSC1763 states that retention is only considered for non-state
# events.
if not event.is_state():
retention_policy = retention_policies[event.room_id]
max_lifetime = retention_policy.get("max_lifetime")
if max_lifetime is not None:
oldest_allowed_ts = storage.main.clock.time_msec() - max_lifetime
if max_lifetime is not None:
oldest_allowed_ts = storage.main.clock.time_msec() - max_lifetime
if event.origin_server_ts < oldest_allowed_ts:
return None
if event.origin_server_ts < oldest_allowed_ts:
return None
if event.event_id in always_include_ids:
return event