mirror of
https://github.com/hoernschen/dendrite.git
synced 2024-12-27 07:28:27 +00:00
98f2f09bb4
* Produce kafka events when keys are added * Consume key changes in syncapi with TODO markers for handling them and catching up * unbreak tests * Linting
95 lines
3.4 KiB
Go
95 lines
3.4 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/Shopify/sarama"
|
|
currentstateAPI "github.com/matrix-org/dendrite/currentstateserver/api"
|
|
"github.com/matrix-org/dendrite/internal"
|
|
"github.com/matrix-org/dendrite/internal/config"
|
|
"github.com/matrix-org/dendrite/keyserver/api"
|
|
"github.com/matrix-org/dendrite/syncapi/storage"
|
|
"github.com/matrix-org/gomatrixserverlib"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// OutputKeyChangeEventConsumer consumes events that originated in the key server.
|
|
type OutputKeyChangeEventConsumer struct {
|
|
keyChangeConsumer *internal.ContinualConsumer
|
|
db storage.Database
|
|
serverName gomatrixserverlib.ServerName // our server name
|
|
currentStateAPI currentstateAPI.CurrentStateInternalAPI
|
|
// keyAPI api.KeyInternalAPI
|
|
}
|
|
|
|
// NewOutputKeyChangeEventConsumer creates a new OutputKeyChangeEventConsumer.
|
|
// Call Start() to begin consuming from the key server.
|
|
func NewOutputKeyChangeEventConsumer(
|
|
cfg *config.Dendrite,
|
|
kafkaConsumer sarama.Consumer,
|
|
currentStateAPI currentstateAPI.CurrentStateInternalAPI,
|
|
store storage.Database,
|
|
) *OutputKeyChangeEventConsumer {
|
|
|
|
consumer := internal.ContinualConsumer{
|
|
Topic: string(cfg.Kafka.Topics.OutputKeyChangeEvent),
|
|
Consumer: kafkaConsumer,
|
|
PartitionStore: store,
|
|
}
|
|
|
|
s := &OutputKeyChangeEventConsumer{
|
|
keyChangeConsumer: &consumer,
|
|
db: store,
|
|
serverName: cfg.Matrix.ServerName,
|
|
currentStateAPI: currentStateAPI,
|
|
}
|
|
|
|
consumer.ProcessMessage = s.onMessage
|
|
|
|
return s
|
|
}
|
|
|
|
// Start consuming from the key server
|
|
func (s *OutputKeyChangeEventConsumer) Start() error {
|
|
return s.keyChangeConsumer.Start()
|
|
}
|
|
|
|
func (s *OutputKeyChangeEventConsumer) onMessage(msg *sarama.ConsumerMessage) error {
|
|
var output api.DeviceKeys
|
|
if err := json.Unmarshal(msg.Value, &output); err != nil {
|
|
// If the message was invalid, log it and move on to the next message in the stream
|
|
log.WithError(err).Error("syncapi: failed to unmarshal key change event from key server")
|
|
return err
|
|
}
|
|
// work out who we need to notify about the new key
|
|
var queryRes currentstateAPI.QuerySharedUsersResponse
|
|
err := s.currentStateAPI.QuerySharedUsers(context.Background(), ¤tstateAPI.QuerySharedUsersRequest{}, &queryRes)
|
|
if err != nil {
|
|
log.WithError(err).Error("syncapi: failed to QuerySharedUsers for key change event from key server")
|
|
return err
|
|
}
|
|
// TODO: notify users by waking up streams
|
|
return nil
|
|
}
|
|
|
|
// Catchup returns a list of user IDs of users who have changed their device keys between the partition|offset given and now.
|
|
// Returns the new offset for this partition.
|
|
func (s *OutputKeyChangeEventConsumer) Catchup(parition int32, offset int64) (userIDs []string, newOffset int, err error) {
|
|
//return s.keyAPI.QueryKeyChangeCatchup(ctx, partition, offset)
|
|
return
|
|
}
|