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dendrite/federationapi/storage/shared/storage_keys.go

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// Copyright 2017-2018 New Vector Ltd
// Copyright 2019-2020 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package shared
import (
"context"
"database/sql"
"github.com/matrix-org/gomatrixserverlib"
)
// FetcherName implements KeyFetcher
func (d Database) FetcherName() string {
return "FederationAPIKeyDatabase"
}
// FetchKeys implements gomatrixserverlib.KeyDatabase
func (d *Database) FetchKeys(
ctx context.Context,
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
return d.ServerSigningKeys.BulkSelectServerKeys(ctx, nil, requests)
}
// StoreKeys implements gomatrixserverlib.KeyDatabase
func (d *Database) StoreKeys(
ctx context.Context,
keyMap map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
) error {
return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
var lastErr error
for request, keys := range keyMap {
if err := d.ServerSigningKeys.UpsertServerKeys(ctx, txn, request, keys); err != nil {
// Rather than returning immediately on error we try to insert the
// remaining keys.
// Since we are inserting the keys outside of a transaction it is
// possible for some of the inserts to succeed even though some
// of the inserts have failed.
// Ensuring that we always insert all the keys we can means that
// this behaviour won't depend on the iteration order of the map.
lastErr = err
}
}
return lastErr
})
}