mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-25 21:23:50 +01:00
136 lines
4.6 KiB
Go
136 lines
4.6 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 consumers
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import (
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"context"
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"encoding/json"
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"github.com/getsentry/sentry-go"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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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/matrix-org/dendrite/federationapi/queue"
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"github.com/matrix-org/dendrite/federationapi/storage"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/setup/process"
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syncTypes "github.com/matrix-org/dendrite/syncapi/types"
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)
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// OutputSendToDeviceConsumer consumes events that originate in the clientapi.
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type OutputSendToDeviceConsumer struct {
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ctx context.Context
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jetstream nats.JetStreamContext
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durable string
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db storage.Database
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queues *queue.OutgoingQueues
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isLocalServerName func(gomatrixserverlib.ServerName) bool
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topic string
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}
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// NewOutputSendToDeviceConsumer creates a new OutputSendToDeviceConsumer. Call Start() to begin consuming send-to-device events.
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func NewOutputSendToDeviceConsumer(
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process *process.ProcessContext,
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cfg *config.FederationAPI,
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js nats.JetStreamContext,
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queues *queue.OutgoingQueues,
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store storage.Database,
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) *OutputSendToDeviceConsumer {
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return &OutputSendToDeviceConsumer{
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ctx: process.Context(),
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jetstream: js,
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queues: queues,
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db: store,
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isLocalServerName: cfg.Matrix.IsLocalServerName,
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durable: cfg.Matrix.JetStream.Durable("FederationAPIESendToDeviceConsumer"),
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topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
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}
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}
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// Start consuming from the client api
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func (t *OutputSendToDeviceConsumer) Start() error {
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return jetstream.JetStreamConsumer(
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t.ctx, t.jetstream, t.topic, t.durable, 1,
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t.onMessage, nats.DeliverAll(), nats.ManualAck(),
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)
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}
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// onMessage is called in response to a message received on the
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// send-to-device events topic from the client api.
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func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
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msg := msgs[0] // Guaranteed to exist if onMessage is called
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// only send send-to-device events which originated from us
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sender := msg.Header.Get("sender")
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_, originServerName, err := gomatrixserverlib.SplitID('@', sender)
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if err != nil {
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sentry.CaptureException(err)
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log.WithError(err).WithField("user_id", sender).Error("Failed to extract domain from send-to-device sender")
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return true
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}
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if !t.isLocalServerName(originServerName) {
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return true
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}
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// Extract the send-to-device event from msg.
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var ote syncTypes.OutputSendToDeviceEvent
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if err = json.Unmarshal(msg.Data, &ote); err != nil {
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sentry.CaptureException(err)
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log.WithError(err).Errorf("output log: message parse failed (expected send-to-device)")
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return true
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}
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_, destServerName, err := gomatrixserverlib.SplitID('@', ote.UserID)
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if err != nil {
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sentry.CaptureException(err)
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log.WithError(err).WithField("user_id", ote.UserID).Error("Failed to extract domain from send-to-device destination")
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return true
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}
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// The SyncAPI is already handling sendToDevice for the local server
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if t.isLocalServerName(destServerName) {
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return true
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}
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// Pack the EDU and marshal it
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edu := &gomatrixserverlib.EDU{
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Type: gomatrixserverlib.MDirectToDevice,
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Origin: string(originServerName),
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}
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tdm := gomatrixserverlib.ToDeviceMessage{
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Sender: ote.Sender,
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Type: ote.Type,
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MessageID: util.RandomString(32),
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Messages: map[string]map[string]json.RawMessage{
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ote.UserID: {
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ote.DeviceID: ote.Content,
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},
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},
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}
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if edu.Content, err = json.Marshal(tdm); err != nil {
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sentry.CaptureException(err)
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log.WithError(err).Error("failed to marshal EDU JSON")
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return true
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}
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log.Debugf("Sending send-to-device message into %q destination queue", destServerName)
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if err := t.queues.SendEDU(edu, originServerName, []gomatrixserverlib.ServerName{destServerName}); err != nil {
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log.WithError(err).Error("failed to send EDU")
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return false
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}
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return true
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}
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