71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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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 signing
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import (
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"context"
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"encoding/hex"
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"fmt"
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"time"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/spec"
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)
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const KeyID = "ed25519:dendrite-demo-yggdrasil"
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type YggdrasilKeys struct {
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}
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func (f *YggdrasilKeys) KeyRing() *gomatrixserverlib.KeyRing {
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return &gomatrixserverlib.KeyRing{
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KeyDatabase: f,
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}
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}
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func (f *YggdrasilKeys) FetchKeys(
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ctx context.Context,
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requests map[gomatrixserverlib.PublicKeyLookupRequest]spec.Timestamp,
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) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
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res := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
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for req := range requests {
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if req.KeyID != KeyID {
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return nil, fmt.Errorf("FetchKeys: cannot fetch key with ID %s, should be %s", req.KeyID, KeyID)
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}
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hexkey, err := hex.DecodeString(string(req.ServerName))
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if err != nil {
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return nil, fmt.Errorf("FetchKeys: can't decode server name %q: %w", req.ServerName, err)
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}
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res[req] = gomatrixserverlib.PublicKeyLookupResult{
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VerifyKey: gomatrixserverlib.VerifyKey{
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Key: hexkey,
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},
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ExpiredTS: gomatrixserverlib.PublicKeyNotExpired,
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ValidUntilTS: spec.AsTimestamp(time.Now().Add(24 * time.Hour * 365)),
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}
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}
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return res, nil
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}
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func (f *YggdrasilKeys) FetcherName() string {
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return "YggdrasilKeys"
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}
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func (f *YggdrasilKeys) StoreKeys(ctx context.Context, results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult) error {
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return nil
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}
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