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Remove the ability to query relations when the original event was redacted. (#5629)

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Fixes #5594

Forbid viewing relations on an event once it has been redacted.
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Andrew Morgan 2019-07-18 14:41:42 +01:00 • committed by GitHub
parent fa8271c5ac
commit b2a382efdb
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5 changed files with 175 additions and 34 deletions
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16
synapse/events/utils.py
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@ -52,10 +52,15 @@ def prune_event(event):
from . import event_type_from_format_version
return event_type_from_format_version(event.format_version)(
pruned_event = event_type_from_format_version(event.format_version)(
pruned_event_dict, event.internal_metadata.get_dict()
)
# Mark the event as redacted
pruned_event.internal_metadata.redacted = True
return pruned_event
def prune_event_dict(event_dict):
"""Redacts the event_dict in the same way as `prune_event`, except it
@ -360,9 +365,12 @@ class EventClientSerializer(object):
event_id = event.event_id
serialized_event = serialize_event(event, time_now, **kwargs)
# If MSC1849 is enabled then we need to look if thre are any relations
# we need to bundle in with the event
if self.experimental_msc1849_support_enabled and bundle_aggregations:
# If MSC1849 is enabled then we need to look if there are any relations
# we need to bundle in with the event.
# Do not bundle relations if the event has been redacted
if not event.internal_metadata.is_redacted() and (
self.experimental_msc1849_support_enabled and bundle_aggregations
):
annotations = yield self.store.get_aggregation_groups_for_event(event_id)
references = yield self.store.get_relations_for_event(
event_id, RelationTypes.REFERENCE, direction="f"