diff options
| -rw-r--r-- | changelog.d/15755.misc | 1 | ||||
| -rw-r--r-- | synapse/federation/federation_client.py | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/changelog.d/15755.misc b/changelog.d/15755.misc new file mode 100644 index 0000000000..a65340d380 --- /dev/null +++ b/changelog.d/15755.misc @@ -0,0 +1 @@ +Fix requesting multiple keys at once over federation, related to [MSC3983](https://github.com/matrix-org/matrix-spec-proposals/pull/3983). diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index a2cf3a96c6..e5359ca558 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -260,7 +260,9 @@ class FederationClient(FederationBase): use_unstable = False for user_id, one_time_keys in query.items(): for device_id, algorithms in one_time_keys.items(): - if any(count > 1 for count in algorithms.values()): + # If more than one algorithm is requested, attempt to use the unstable + # endpoint. + if sum(algorithms.values()) > 1: use_unstable = True if algorithms: # For the stable query, choose only the first algorithm. @@ -296,6 +298,7 @@ class FederationClient(FederationBase): else: logger.debug("Skipping unstable claim client keys API") + # TODO Potentially attempt multiple queries and combine the results? return await self.transport_layer.claim_client_keys( user, destination, content, timeout ) |