108 lines
2.7 KiB
Go
108 lines
2.7 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 producers
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import (
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"context"
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"encoding/json"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/dendrite/userapi/storage"
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"github.com/nats-io/nats.go"
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"github.com/sirupsen/logrus"
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)
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// KeyChange produces key change events for the sync API and federation sender to consume
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type KeyChange struct {
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Topic string
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JetStream JetStreamPublisher
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DB storage.KeyChangeDatabase
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}
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// ProduceKeyChanges creates new change events for each key
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func (p *KeyChange) ProduceKeyChanges(keys []api.DeviceMessage) error {
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userToDeviceCount := make(map[string]int)
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for _, key := range keys {
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id, err := p.DB.StoreKeyChange(context.Background(), key.UserID)
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if err != nil {
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return err
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}
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key.DeviceChangeID = id
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value, err := json.Marshal(key)
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if err != nil {
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return err
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}
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m := &nats.Msg{
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Subject: p.Topic,
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Header: nats.Header{},
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}
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m.Header.Set(jetstream.UserID, key.UserID)
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m.Data = value
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_, err = p.JetStream.PublishMsg(m)
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if err != nil {
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return err
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}
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userToDeviceCount[key.UserID]++
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}
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for userID, count := range userToDeviceCount {
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logrus.WithFields(logrus.Fields{
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"user_id": userID,
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"num_key_changes": count,
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}).Tracef("Produced to key change topic '%s'", p.Topic)
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}
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return nil
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}
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func (p *KeyChange) ProduceSigningKeyUpdate(key api.CrossSigningKeyUpdate) error {
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output := &api.DeviceMessage{
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Type: api.TypeCrossSigningUpdate,
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OutputCrossSigningKeyUpdate: &api.OutputCrossSigningKeyUpdate{
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CrossSigningKeyUpdate: key,
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},
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}
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id, err := p.DB.StoreKeyChange(context.Background(), key.UserID)
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if err != nil {
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return err
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}
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output.DeviceChangeID = id
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value, err := json.Marshal(output)
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if err != nil {
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return err
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}
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m := &nats.Msg{
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Subject: p.Topic,
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Header: nats.Header{},
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}
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m.Header.Set(jetstream.UserID, key.UserID)
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m.Data = value
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_, err = p.JetStream.PublishMsg(m)
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if err != nil {
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return err
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}
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logrus.WithFields(logrus.Fields{
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"user_id": key.UserID,
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}).Tracef("Produced to cross-signing update topic '%s'", p.Topic)
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return nil
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}
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