mirror of
https://github.com/1f349/dendrite.git
synced 2024-12-23 00:34:07 +00:00
121 lines
3.9 KiB
Go
121 lines
3.9 KiB
Go
// Copyright 2022 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"
|
|
"strconv"
|
|
|
|
"github.com/matrix-org/dendrite/federationapi/queue"
|
|
"github.com/matrix-org/dendrite/federationapi/storage"
|
|
"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/gomatrixserverlib"
|
|
"github.com/nats-io/nats.go"
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// OutputTypingConsumer consumes events that originate in the clientapi.
|
|
type OutputTypingConsumer struct {
|
|
ctx context.Context
|
|
jetstream nats.JetStreamContext
|
|
durable string
|
|
db storage.Database
|
|
queues *queue.OutgoingQueues
|
|
isLocalServerName func(gomatrixserverlib.ServerName) bool
|
|
topic string
|
|
}
|
|
|
|
// NewOutputTypingConsumer creates a new OutputTypingConsumer. Call Start() to begin consuming typing events.
|
|
func NewOutputTypingConsumer(
|
|
process *process.ProcessContext,
|
|
cfg *config.FederationAPI,
|
|
js nats.JetStreamContext,
|
|
queues *queue.OutgoingQueues,
|
|
store storage.Database,
|
|
) *OutputTypingConsumer {
|
|
return &OutputTypingConsumer{
|
|
ctx: process.Context(),
|
|
jetstream: js,
|
|
queues: queues,
|
|
db: store,
|
|
isLocalServerName: cfg.Matrix.IsLocalServerName,
|
|
durable: cfg.Matrix.JetStream.Durable("FederationAPITypingConsumer"),
|
|
topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputTypingEvent),
|
|
}
|
|
}
|
|
|
|
// Start consuming from the clientapi
|
|
func (t *OutputTypingConsumer) Start() error {
|
|
return jetstream.JetStreamConsumer(
|
|
t.ctx, t.jetstream, t.topic, t.durable, 1, t.onMessage,
|
|
nats.DeliverAll(), nats.ManualAck(), nats.HeadersOnly(),
|
|
)
|
|
}
|
|
|
|
// onMessage is called in response to a message received on the typing
|
|
// events topic from the client api.
|
|
func (t *OutputTypingConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
|
|
msg := msgs[0] // Guaranteed to exist if onMessage is called
|
|
// Extract the typing event from msg.
|
|
roomID := msg.Header.Get(jetstream.RoomID)
|
|
userID := msg.Header.Get(jetstream.UserID)
|
|
typing, err := strconv.ParseBool(msg.Header.Get("typing"))
|
|
if err != nil {
|
|
log.WithError(err).Errorf("EDU output log: typing parse failure")
|
|
return true
|
|
}
|
|
|
|
// only send typing events which originated from us
|
|
_, typingServerName, err := gomatrixserverlib.SplitID('@', userID)
|
|
if err != nil {
|
|
log.WithError(err).WithField("user_id", userID).Error("Failed to extract domain from typing sender")
|
|
_ = msg.Ack()
|
|
return true
|
|
}
|
|
if !t.isLocalServerName(typingServerName) {
|
|
return true
|
|
}
|
|
|
|
joined, err := t.db.GetJoinedHosts(ctx, roomID)
|
|
if err != nil {
|
|
log.WithError(err).WithField("room_id", roomID).Error("failed to get joined hosts for room")
|
|
return false
|
|
}
|
|
|
|
names := make([]gomatrixserverlib.ServerName, len(joined))
|
|
for i := range joined {
|
|
names[i] = joined[i].ServerName
|
|
}
|
|
|
|
edu := &gomatrixserverlib.EDU{Type: "m.typing"}
|
|
if edu.Content, err = json.Marshal(map[string]interface{}{
|
|
"room_id": roomID,
|
|
"user_id": userID,
|
|
"typing": typing,
|
|
}); err != nil {
|
|
log.WithError(err).Error("failed to marshal EDU JSON")
|
|
return true
|
|
}
|
|
if err := t.queues.SendEDU(edu, typingServerName, names); err != nil {
|
|
log.WithError(err).Error("failed to send EDU")
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|