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https://github.com/matrix-org/dendrite
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24d8df664c
* Fix #897 and shuffle directory around * Update find-lint * goimports Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
// Copyright 2017 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package keydb
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import (
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"encoding/base64"
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"github.com/matrix-org/dendrite/internal/config"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/sirupsen/logrus"
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"golang.org/x/crypto/ed25519"
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)
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// CreateKeyRing creates and configures a KeyRing object.
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//
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// It creates the necessary key fetchers and collects them into a KeyRing
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// backed by the given KeyDatabase.
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func CreateKeyRing(client gomatrixserverlib.Client,
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keyDB gomatrixserverlib.KeyDatabase,
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cfg config.KeyPerspectives) gomatrixserverlib.KeyRing {
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fetchers := gomatrixserverlib.KeyRing{
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KeyFetchers: []gomatrixserverlib.KeyFetcher{
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&gomatrixserverlib.DirectKeyFetcher{
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Client: client,
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},
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},
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KeyDatabase: keyDB,
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}
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logrus.Info("Enabled direct key fetcher")
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var b64e = base64.StdEncoding.WithPadding(base64.NoPadding)
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for _, ps := range cfg {
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perspective := &gomatrixserverlib.PerspectiveKeyFetcher{
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PerspectiveServerName: ps.ServerName,
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PerspectiveServerKeys: map[gomatrixserverlib.KeyID]ed25519.PublicKey{},
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Client: client,
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}
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for _, key := range ps.Keys {
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rawkey, err := b64e.DecodeString(key.PublicKey)
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if err != nil {
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logrus.WithError(err).WithFields(logrus.Fields{
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"server_name": ps.ServerName,
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"public_key": key.PublicKey,
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}).Warn("Couldn't parse perspective key")
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continue
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}
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perspective.PerspectiveServerKeys[key.KeyID] = rawkey
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}
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fetchers.KeyFetchers = append(fetchers.KeyFetchers, perspective)
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logrus.WithFields(logrus.Fields{
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"server_name": ps.ServerName,
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"num_public_keys": len(ps.Keys),
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}).Info("Enabled perspective key fetcher")
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}
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return fetchers
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}
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