mirror of
https://github.com/1f349/dendrite.git
synced 2024-11-14 15:51:37 +00:00
2cfcfddecc
This adds a new stream for signing key updates, this should ensure we don't lose any updates over federation.
111 lines
3.7 KiB
Go
111 lines
3.7 KiB
Go
// Copyright 2022 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 consumers
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
"github.com/nats-io/nats.go"
|
|
"github.com/sirupsen/logrus"
|
|
|
|
keyapi "github.com/matrix-org/dendrite/keyserver/api"
|
|
"github.com/matrix-org/dendrite/keyserver/internal"
|
|
"github.com/matrix-org/dendrite/setup/config"
|
|
"github.com/matrix-org/dendrite/setup/jetstream"
|
|
"github.com/matrix-org/dendrite/setup/process"
|
|
)
|
|
|
|
// SigningKeyUpdateConsumer consumes signing key updates that came in over federation.
|
|
type SigningKeyUpdateConsumer struct {
|
|
ctx context.Context
|
|
jetstream nats.JetStreamContext
|
|
durable string
|
|
topic string
|
|
keyAPI *internal.KeyInternalAPI
|
|
cfg *config.KeyServer
|
|
}
|
|
|
|
// NewSigningKeyUpdateConsumer creates a new SigningKeyUpdateConsumer. Call Start() to begin consuming from key servers.
|
|
func NewSigningKeyUpdateConsumer(
|
|
process *process.ProcessContext,
|
|
cfg *config.KeyServer,
|
|
js nats.JetStreamContext,
|
|
keyAPI *internal.KeyInternalAPI,
|
|
) *SigningKeyUpdateConsumer {
|
|
return &SigningKeyUpdateConsumer{
|
|
ctx: process.Context(),
|
|
jetstream: js,
|
|
durable: cfg.Matrix.JetStream.Prefixed("KeyServerSigningKeyConsumer"),
|
|
topic: cfg.Matrix.JetStream.Prefixed(jetstream.InputSigningKeyUpdate),
|
|
keyAPI: keyAPI,
|
|
cfg: cfg,
|
|
}
|
|
}
|
|
|
|
// Start consuming from key servers
|
|
func (t *SigningKeyUpdateConsumer) Start() error {
|
|
return jetstream.JetStreamConsumer(
|
|
t.ctx, t.jetstream, t.topic, t.durable, 1,
|
|
t.onMessage, nats.DeliverAll(), nats.ManualAck(),
|
|
)
|
|
}
|
|
|
|
// onMessage is called in response to a message received on the
|
|
// signing key update events topic from the key server.
|
|
func (t *SigningKeyUpdateConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
|
|
msg := msgs[0] // Guaranteed to exist if onMessage is called
|
|
var updatePayload keyapi.CrossSigningKeyUpdate
|
|
if err := json.Unmarshal(msg.Data, &updatePayload); err != nil {
|
|
logrus.WithError(err).Errorf("Failed to read from signing key update input topic")
|
|
return true
|
|
}
|
|
origin := gomatrixserverlib.ServerName(msg.Header.Get("origin"))
|
|
if _, serverName, err := gomatrixserverlib.SplitID('@', updatePayload.UserID); err != nil {
|
|
logrus.WithError(err).Error("failed to split user id")
|
|
return true
|
|
} else if serverName == t.cfg.Matrix.ServerName {
|
|
logrus.Warn("dropping device key update from ourself")
|
|
return true
|
|
} else if serverName != origin {
|
|
logrus.Warnf("dropping device key update, %s != %s", serverName, origin)
|
|
return true
|
|
}
|
|
|
|
keys := gomatrixserverlib.CrossSigningKeys{}
|
|
if updatePayload.MasterKey != nil {
|
|
keys.MasterKey = *updatePayload.MasterKey
|
|
}
|
|
if updatePayload.SelfSigningKey != nil {
|
|
keys.SelfSigningKey = *updatePayload.SelfSigningKey
|
|
}
|
|
uploadReq := &keyapi.PerformUploadDeviceKeysRequest{
|
|
CrossSigningKeys: keys,
|
|
UserID: updatePayload.UserID,
|
|
}
|
|
uploadRes := &keyapi.PerformUploadDeviceKeysResponse{}
|
|
if err := t.keyAPI.PerformUploadDeviceKeys(ctx, uploadReq, uploadRes); err != nil {
|
|
logrus.WithError(err).Error("failed to upload device keys")
|
|
return false
|
|
}
|
|
if uploadRes.Error != nil {
|
|
logrus.WithError(uploadRes.Error).Error("failed to upload device keys")
|
|
return true
|
|
}
|
|
|
|
return true
|
|
}
|