synapse/changelog.d/14942.bugfix at ef23d6b296da86e3552b31342dc9f3dd276fda93 - mirrors/synapse - Sadium Git

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David Robertson 510d4b06e7

Handle malformed values of notification.room in power level events (#14942 )

* Better test for bad values in power levels events

The previous test only checked that Synapse didn't raise an exception,
but didn't check that we had correctly interpreted the value of the
dodgy power level.

It also conflated two things: bad room notification levels, and bad user
levels. There _is_ logic for converting the latter to integers, but we
should test it separately.

* Check we ignore types that don't convert to int

* Handle `None` values in `notifications.room`

* Changelog

* Also test that bad values are rejected by event auth

* Docstring

* linter scripttttttttt

2023-01-30 21:29:30 +00:00

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Fix a bug introduced in Synapse 1.68.0 where we were unable to service remote joins in rooms with `@room` notification levels set to `null` in their (malformed) power levels.