remove keyring.go

internal/keydb/keyring.go

@@ -1,74 +0,0 @@
-// Copyright 2017 New Vector Ltd
-//
-// 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 keydb
-
-import (
-	"encoding/base64"
-
-	"github.com/matrix-org/dendrite/internal/config"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/sirupsen/logrus"
-	"golang.org/x/crypto/ed25519"
-)
-
-// CreateKeyRing creates and configures a KeyRing object.
-//
-// It creates the necessary key fetchers and collects them into a KeyRing
-// backed by the given KeyDatabase.
-func CreateKeyRing(client gomatrixserverlib.Client,
-	keyDB gomatrixserverlib.KeyDatabase,
-	cfg config.KeyPerspectives) gomatrixserverlib.KeyRing {
-
-	fetchers := gomatrixserverlib.KeyRing{
-		KeyFetchers: []gomatrixserverlib.KeyFetcher{
-			&gomatrixserverlib.DirectKeyFetcher{
-				Client: client,
-			},
-		},
-		KeyDatabase: keyDB,
-	}
-
-	logrus.Info("Enabled direct key fetcher")
-
-	var b64e = base64.StdEncoding.WithPadding(base64.NoPadding)
-	for _, ps := range cfg {
-		perspective := &gomatrixserverlib.PerspectiveKeyFetcher{
-			PerspectiveServerName: ps.ServerName,
-			PerspectiveServerKeys: map[gomatrixserverlib.KeyID]ed25519.PublicKey{},
-			Client:                client,
-		}
-
-		for _, key := range ps.Keys {
-			rawkey, err := b64e.DecodeString(key.PublicKey)
-			if err != nil {
-				logrus.WithError(err).WithFields(logrus.Fields{
-					"server_name": ps.ServerName,
-					"public_key":  key.PublicKey,
-				}).Warn("Couldn't parse perspective key")
-				continue
-			}
-			perspective.PerspectiveServerKeys[key.KeyID] = rawkey
-		}
-
-		fetchers.KeyFetchers = append(fetchers.KeyFetchers, perspective)
-
-		logrus.WithFields(logrus.Fields{
-			"server_name":     ps.ServerName,
-			"num_public_keys": len(ps.Keys),
-		}).Info("Enabled perspective key fetcher")
-	}
-
-	return fetchers
-}