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Properly check for frozendicts in event auth code. (#14864)
Check for for an instance of a mapping instead of a dict. This only affects room version 10 when frozen events are enabled.
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changelog.d/14864.bugfix
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changelog.d/14864.bugfix
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Fix a bug introduced in Synapse 1.64.0 when using room version 10 with frozen events enabled.
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@ -13,6 +13,7 @@
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# See the License for the specific language governing permissions and
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# limitations under the License.
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import collections.abc
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import logging
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import logging
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import typing
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import typing
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from typing import (
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from typing import (
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@ -877,7 +878,7 @@ def _check_power_levels(
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if not isinstance(v, int):
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if not isinstance(v, int):
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raise SynapseError(400, f"{v!r} must be an integer.")
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raise SynapseError(400, f"{v!r} must be an integer.")
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if k in {"events", "notifications", "users"}:
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if k in {"events", "notifications", "users"}:
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if not isinstance(v, dict) or not all(
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if not isinstance(v, collections.abc.Mapping) or not all(
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isinstance(v, int) for v in v.values()
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isinstance(v, int) for v in v.values()
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):
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):
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raise SynapseError(
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raise SynapseError(
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