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Give more guidance on how invalid events should be handled.

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Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
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Patrick Cloke 2020-05-20 08:58:32 -04:00 • committed by GitHub
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proposals/2540-stricter-event-validation.md
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@ -21,8 +21,10 @@ even support these by default. One common additional feature is handling
## Proposal
In a future room version, homeserver implementations are to strictly enforce
the JSON compliance of the Canonical JSON specification for events. Events that
do not abide by these rules should be treated like any other bad JSON value.
the JSON compliance of the Canonical JSON specification for events.
Non-compliant events should be treated like any other malformed event,
for example by rejecting the request with an HTTP 400 error with `M_BAD_JSON`,
or by discarding the event.
The rationale for doing this in a future room version is to avoid a split brain
room -- where some federated servers believe an event is valid and others reject