1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
// 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"
"github.com/getsentry/sentry-go"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/nats-io/nats.go"
log "github.com/sirupsen/logrus"
"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"
syncTypes "github.com/matrix-org/dendrite/syncapi/types"
)
// OutputSendToDeviceConsumer consumes events that originate in the clientapi.
type OutputSendToDeviceConsumer struct {
ctx context.Context
jetstream nats.JetStreamContext
durable string
db storage.Database
queues *queue.OutgoingQueues
isLocalServerName func(gomatrixserverlib.ServerName) bool
topic string
}
// NewOutputSendToDeviceConsumer creates a new OutputSendToDeviceConsumer. Call Start() to begin consuming send-to-device events.
func NewOutputSendToDeviceConsumer(
process *process.ProcessContext,
cfg *config.FederationAPI,
js nats.JetStreamContext,
queues *queue.OutgoingQueues,
store storage.Database,
) *OutputSendToDeviceConsumer {
return &OutputSendToDeviceConsumer{
ctx: process.Context(),
jetstream: js,
queues: queues,
db: store,
isLocalServerName: cfg.Matrix.IsLocalServerName,
durable: cfg.Matrix.JetStream.Durable("FederationAPIESendToDeviceConsumer"),
topic: cfg.Matrix.JetStream.Prefixed(jetstream.OutputSendToDeviceEvent),
}
}
// Start consuming from the client api
func (t *OutputSendToDeviceConsumer) Start() error {
return jetstream.JetStreamConsumer(
t.ctx, t.jetstream, t.topic, t.durable, 1,
t.onMessage, nats.DeliverAll(), nats.ManualAck(),
)
}
// onMessage is called in response to a message received on the
// send-to-device events topic from the client api.
func (t *OutputSendToDeviceConsumer) onMessage(ctx context.Context, msgs []*nats.Msg) bool {
msg := msgs[0] // Guaranteed to exist if onMessage is called
// only send send-to-device events which originated from us
sender := msg.Header.Get("sender")
_, originServerName, err := gomatrixserverlib.SplitID('@', sender)
if err != nil {
sentry.CaptureException(err)
log.WithError(err).WithField("user_id", sender).Error("Failed to extract domain from send-to-device sender")
return true
}
if !t.isLocalServerName(originServerName) {
return true
}
// Extract the send-to-device event from msg.
var ote syncTypes.OutputSendToDeviceEvent
if err = json.Unmarshal(msg.Data, &ote); err != nil {
sentry.CaptureException(err)
log.WithError(err).Errorf("output log: message parse failed (expected send-to-device)")
return true
}
_, destServerName, err := gomatrixserverlib.SplitID('@', ote.UserID)
if err != nil {
sentry.CaptureException(err)
log.WithError(err).WithField("user_id", ote.UserID).Error("Failed to extract domain from send-to-device destination")
return true
}
// The SyncAPI is already handling sendToDevice for the local server
if t.isLocalServerName(destServerName) {
return true
}
// Pack the EDU and marshal it
edu := &gomatrixserverlib.EDU{
Type: gomatrixserverlib.MDirectToDevice,
Origin: string(originServerName),
}
tdm := gomatrixserverlib.ToDeviceMessage{
Sender: ote.Sender,
Type: ote.Type,
MessageID: util.RandomString(32),
Messages: map[string]map[string]json.RawMessage{
ote.UserID: {
ote.DeviceID: ote.Content,
},
},
}
if edu.Content, err = json.Marshal(tdm); err != nil {
sentry.CaptureException(err)
log.WithError(err).Error("failed to marshal EDU JSON")
return true
}
log.Debugf("Sending send-to-device message into %q destination queue", destServerName)
if err := t.queues.SendEDU(edu, originServerName, []gomatrixserverlib.ServerName{destServerName}); err != nil {
log.WithError(err).Error("failed to send EDU")
return false
}
return true
}
|
