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Always return OTK counts (#17275)

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Broke in https://github.com/element-hq/synapse/pull/17215
This commit is contained in:
Erik Johnston 2024-06-06 17:10:58 +01:00 committed by Erik Johnston
parent e2f8476044
commit 06953bc193
2 changed files with 30 additions and 4 deletions
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1
changelog.d/17275.bugfix Normal file
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@ -0,0 +1 @@
Fix bug where OTKs were not always included in `/sync` response when using workers.

33
synapse/handlers/sync.py
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@ -285,7 +285,11 @@ class SyncResult:
)
@staticmethod
def empty(next_batch: StreamToken) -> "SyncResult":
def empty(
next_batch: StreamToken,
device_one_time_keys_count: JsonMapping,
device_unused_fallback_key_types: List[str],
) -> "SyncResult":
"Return a new empty result"
return SyncResult(
next_batch=next_batch,
@ -297,8 +301,8 @@ class SyncResult:
archived=[],
to_device=[],
device_lists=DeviceListUpdates(),
device_one_time_keys_count={},
device_unused_fallback_key_types=[],
device_one_time_keys_count=device_one_time_keys_count,
device_unused_fallback_key_types=device_unused_fallback_key_types,
)
@ -523,7 +527,28 @@ class SyncHandler:
logger.warning(
"Timed out waiting for worker to catch up. Returning empty response"
)
return SyncResult.empty(since_token)
device_id = sync_config.device_id
one_time_keys_count: JsonMapping = {}
unused_fallback_key_types: List[str] = []
if device_id:
user_id = sync_config.user.to_string()
# TODO: We should have a way to let clients differentiate between the states of:
# * no change in OTK count since the provided since token
# * the server has zero OTKs left for this device
# Spec issue: https://github.com/matrix-org/matrix-doc/issues/3298
one_time_keys_count = await self.store.count_e2e_one_time_keys(
user_id, device_id
)
unused_fallback_key_types = list(
await self.store.get_e2e_unused_fallback_key_types(
user_id, device_id
)
)
cache_context.should_cache = False # Don't cache empty responses
return SyncResult.empty(
since_token, one_time_keys_count, unused_fallback_key_types
)
# If we've spent significant time waiting to catch up, take it off
# the timeout.