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Only emit key change notifications from federation when changes are made (#2217)

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* Only emit key changes when poked over federation

* Remove logging

* Fix unit test possibly
This commit is contained in:
Neil Alexander 2022-02-22 13:35:06 +00:00 committed by GitHub
parent bbe7d37928
commit 600fbae31f
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1 changed files with 23 additions and 4 deletions
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27
keyserver/internal/device_list_update.go
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@ -241,14 +241,33 @@ func (u *DeviceListUpdater) update(ctx context.Context, event gomatrixserverlib.
StreamID: event.StreamID,
},
}
// DeviceKeysJSON will side-effect modify this, so it needs
// to be a copy, not sharing any pointers with the above.
deviceKeysCopy := *keys[0].DeviceKeys
deviceKeysCopy.KeyJSON = nil
existingKeys := []api.DeviceMessage{
{
Type: keys[0].Type,
DeviceKeys: &deviceKeysCopy,
StreamID: keys[0].StreamID,
},
}
// fetch what keys we had already and only emit changes
if err = u.db.DeviceKeysJSON(ctx, existingKeys); err != nil {
// non-fatal, log and continue
util.GetLogger(ctx).WithError(err).WithField("user_id", event.UserID).Errorf(
"failed to query device keys json for calculating diffs",
)
}
err = u.db.StoreRemoteDeviceKeys(ctx, keys, nil)
if err != nil {
return false, fmt.Errorf("failed to store remote device keys for %s (%s): %w", event.UserID, event.DeviceID, err)
}
// ALWAYS emit key changes when we've been poked over federation even if there's no change
// just in case this poke is important for something.
err = u.producer.ProduceKeyChanges(keys)
if err != nil {
if err = emitDeviceKeyChanges(u.producer, existingKeys, keys); err != nil {
return false, fmt.Errorf("failed to produce device key changes for %s (%s): %w", event.UserID, event.DeviceID, err)
}
return false, nil