100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright 2024 New Vector Ltd.
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// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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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/element-hq/dendrite/setup/jetstream"
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"github.com/element-hq/dendrite/userapi/api"
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"github.com/element-hq/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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