96 lines
3.1 KiB
Go
96 lines
3.1 KiB
Go
// Copyright 2022 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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"encoding/json"
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"github.com/matrix-org/dendrite/roomserver/storage/tables"
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"github.com/nats-io/nats.go"
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log "github.com/sirupsen/logrus"
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"github.com/tidwall/gjson"
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"github.com/matrix-org/dendrite/roomserver/acls"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/setup/jetstream"
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)
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var keyContentFields = map[string]string{
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"m.room.join_rules": "join_rule",
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"m.room.history_visibility": "history_visibility",
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"m.room.member": "membership",
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}
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type RoomEventProducer struct {
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Topic string
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ACLs *acls.ServerACLs
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JetStream nats.JetStreamContext
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}
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func (r *RoomEventProducer) ProduceRoomEvents(roomID string, updates []api.OutputEvent) error {
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var err error
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for _, update := range updates {
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msg := nats.NewMsg(r.Topic)
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msg.Header.Set(jetstream.RoomEventType, string(update.Type))
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msg.Header.Set(jetstream.RoomID, roomID)
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msg.Data, err = json.Marshal(update)
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if err != nil {
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return err
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}
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logger := log.WithFields(log.Fields{
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"room_id": roomID,
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"type": update.Type,
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})
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if update.NewRoomEvent != nil {
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eventType := update.NewRoomEvent.Event.Type()
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logger = logger.WithFields(log.Fields{
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"event_type": eventType,
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"event_id": update.NewRoomEvent.Event.EventID(),
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"adds_state": len(update.NewRoomEvent.AddsStateEventIDs),
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"removes_state": len(update.NewRoomEvent.RemovesStateEventIDs),
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"send_as_server": update.NewRoomEvent.SendAsServer,
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"sender": update.NewRoomEvent.Event.SenderID(),
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})
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if update.NewRoomEvent.Event.StateKey() != nil {
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logger = logger.WithField("state_key", *update.NewRoomEvent.Event.StateKey())
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}
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contentKey := keyContentFields[eventType]
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if contentKey != "" {
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value := gjson.GetBytes(update.NewRoomEvent.Event.Content(), contentKey)
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if value.Exists() {
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logger = logger.WithField("content_value", value.String())
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}
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}
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if eventType == acls.MRoomServerACL && update.NewRoomEvent.Event.StateKeyEquals("") {
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ev := update.NewRoomEvent.Event.PDU
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strippedEvent := tables.StrippedEvent{
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RoomID: ev.RoomID().String(),
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EventType: ev.Type(),
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StateKey: *ev.StateKey(),
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ContentValue: string(ev.Content()),
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}
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defer r.ACLs.OnServerACLUpdate(strippedEvent)
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}
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}
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logger.Tracef("Producing to topic '%s'", r.Topic)
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if _, err := r.JetStream.PublishMsg(msg); err != nil {
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logger.WithError(err).Errorf("Failed to produce to topic '%s': %s", r.Topic, err)
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return err
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}
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}
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return nil
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}
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