dendrite/syncapi/consumers/sendtodevice.go
Till c366ccdfca
Send-to-device consumer/producer tweaks (#2713)
Some tweaks for the send-to-device consumers/producers:
- use `json.RawMessage` without marshalling it first
- try further devices (if available) if we failed to `PublishMsg` in the
producers
- some logging changes (to better debug E2EE issues)
2022-09-13 09:35:45 +02:00

124 lines
4.0 KiB
Go

// Copyright 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 consumers
import (
"context"
"encoding/json"
"github.com/getsentry/sentry-go"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/nats-io/nats.go"
log "github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/setup/config"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/dendrite/setup/process"
"github.com/matrix-org/dendrite/syncapi/notifier"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
)
// OutputSendToDeviceEventConsumer consumes events that originated in the EDU server.
type OutputSendToDeviceEventConsumer struct {
ctx context.Context
jetstream nats.JetStreamContext
durable string
topic string
db storage.Database
serverName gomatrixserverlib.ServerName // our server name
stream types.StreamProvider
notifier *notifier.Notifier
}
// NewOutputSendToDeviceEventConsumer creates a new OutputSendToDeviceEventConsumer.
// Call Start() to begin consuming from the EDU server.
func NewOutputSendToDeviceEventConsumer(
process *process.ProcessContext,
cfg *config.SyncAPI,
js nats.JetStreamContext,
store storage.Database,
notifier *notifier.Notifier,
stream types.StreamProvider,
) *OutputSendToDeviceEventConsumer {
return &OutputSendToDeviceEventConsumer{
ctx: process.Context(),
jetstream: js,
topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
durable: cfg.Matrix.JetStream.Durable("SyncAPISendToDeviceConsumer"),
db: store,
serverName: cfg.Matrix.ServerName,
notifier: notifier,
stream: stream,
}
}
// Start consuming send-to-device events.
func (s *OutputSendToDeviceEventConsumer) Start() error {
return jetstream.JetStreamConsumer(
s.ctx, s.jetstream, s.topic, s.durable, 1,
s.onMessage, nats.DeliverAll(), nats.ManualAck(),
)
}
func (s *OutputSendToDeviceEventConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
msg := msgs[0] // Guaranteed to exist if onMessage is called
userID := msg.Header.Get(jetstream.UserID)
_, domain, err := gomatrixserverlib.SplitID('@', userID)
if err != nil {
sentry.CaptureException(err)
log.WithError(err).Errorf("send-to-device: failed to split user id, dropping message")
return true
}
if domain != s.serverName {
log.Tracef("ignoring send-to-device event with destination %s", domain)
return true
}
var output types.OutputSendToDeviceEvent
if err = json.Unmarshal(msg.Data, &output); err != nil {
// If the message was invalid, log it and move on to the next message in the stream
log.WithError(err).Errorf("send-to-device: message parse failure")
sentry.CaptureException(err)
return true
}
util.GetLogger(context.TODO()).WithFields(log.Fields{
"sender": output.Sender,
"user_id": output.UserID,
"device_id": output.DeviceID,
"event_type": output.Type,
}).Debugf("sync API received send-to-device event from the clientapi/federationsender")
streamPos, err := s.db.StoreNewSendForDeviceMessage(
s.ctx, output.UserID, output.DeviceID, output.SendToDeviceEvent,
)
if err != nil {
sentry.CaptureException(err)
log.WithError(err).Errorf("send-to-device: failed to store message")
return false
}
s.stream.Advance(streamPos)
s.notifier.OnNewSendToDevice(
output.UserID,
[]string{output.DeviceID},
types.StreamingToken{SendToDevicePosition: streamPos},
)
return true
}