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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
// 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 producers
import (
"context"
"encoding/json"
"fmt"
"strconv"
"time"
"github.com/matrix-org/gomatrixserverlib"
"github.com/nats-io/nats.go"
log "github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/setup/jetstream"
"github.com/matrix-org/dendrite/syncapi/types"
userapi "github.com/matrix-org/dendrite/userapi/api"
)
// SyncAPIProducer produces events for the sync API server to consume
type SyncAPIProducer struct {
TopicReceiptEvent string
TopicSendToDeviceEvent string
TopicTypingEvent string
TopicPresenceEvent string
TopicDeviceListUpdate string
TopicSigningKeyUpdate string
JetStream nats.JetStreamContext
ServerName gomatrixserverlib.ServerName
UserAPI userapi.UserInternalAPI
}
func (p *SyncAPIProducer) SendReceipt(
ctx context.Context,
userID, roomID, eventID, receiptType string, timestamp gomatrixserverlib.Timestamp,
) error {
m := &nats.Msg{
Subject: p.TopicReceiptEvent,
Header: nats.Header{},
}
m.Header.Set(jetstream.UserID, userID)
m.Header.Set(jetstream.RoomID, roomID)
m.Header.Set(jetstream.EventID, eventID)
m.Header.Set("type", receiptType)
m.Header.Set("timestamp", fmt.Sprintf("%d", timestamp))
log.WithFields(log.Fields{}).Tracef("Producing to topic '%s'", p.TopicReceiptEvent)
_, err := p.JetStream.PublishMsg(m, nats.Context(ctx))
return err
}
func (p *SyncAPIProducer) SendToDevice(
ctx context.Context, sender, userID, deviceID, eventType string,
message json.RawMessage,
) error {
devices := []string{}
_, domain, err := gomatrixserverlib.SplitID('@', userID)
if err != nil {
return err
}
// If the event is targeted locally then we want to expand the wildcard
// out into individual device IDs so that we can send them to each respective
// device. If the event isn't targeted locally then we can't expand the
// wildcard as we don't know about the remote devices, so instead we leave it
// as-is, so that the federation sender can send it on with the wildcard intact.
if domain == p.ServerName && deviceID == "*" {
var res userapi.QueryDevicesResponse
err = p.UserAPI.QueryDevices(context.TODO(), &userapi.QueryDevicesRequest{
UserID: userID,
}, &res)
if err != nil {
return err
}
for _, dev := range res.Devices {
devices = append(devices, dev.ID)
}
} else {
devices = append(devices, deviceID)
}
log.WithFields(log.Fields{
"user_id": userID,
"num_devices": len(devices),
"type": eventType,
}).Tracef("Producing to topic '%s'", p.TopicSendToDeviceEvent)
for i, device := range devices {
ote := &types.OutputSendToDeviceEvent{
UserID: userID,
DeviceID: device,
SendToDeviceEvent: gomatrixserverlib.SendToDeviceEvent{
Sender: sender,
Type: eventType,
Content: message,
},
}
eventJSON, err := json.Marshal(ote)
if err != nil {
log.WithError(err).Error("sendToDevice failed json.Marshal")
return err
}
m := nats.NewMsg(p.TopicSendToDeviceEvent)
m.Data = eventJSON
m.Header.Set("sender", sender)
m.Header.Set(jetstream.UserID, userID)
if _, err = p.JetStream.PublishMsg(m, nats.Context(ctx)); err != nil {
if i < len(devices)-1 {
log.WithError(err).Warn("sendToDevice failed to PublishMsg, trying further devices")
continue
}
log.WithError(err).Error("sendToDevice failed to PublishMsg for all devices")
return err
}
}
return nil
}
func (p *SyncAPIProducer) SendTyping(
ctx context.Context, userID, roomID string, typing bool, timeoutMS int64,
) error {
m := &nats.Msg{
Subject: p.TopicTypingEvent,
Header: nats.Header{},
}
m.Header.Set(jetstream.UserID, userID)
m.Header.Set(jetstream.RoomID, roomID)
m.Header.Set("typing", strconv.FormatBool(typing))
m.Header.Set("timeout_ms", strconv.Itoa(int(timeoutMS)))
_, err := p.JetStream.PublishMsg(m, nats.Context(ctx))
return err
}
func (p *SyncAPIProducer) SendPresence(
ctx context.Context, userID string, presence types.Presence, statusMsg *string, lastActiveAgo int64,
) error {
m := nats.NewMsg(p.TopicPresenceEvent)
m.Header.Set(jetstream.UserID, userID)
m.Header.Set("presence", presence.String())
if statusMsg != nil {
m.Header.Set("status_msg", *statusMsg)
}
lastActiveTS := gomatrixserverlib.AsTimestamp(time.Now().Add(-(time.Duration(lastActiveAgo) * time.Millisecond)))
m.Header.Set("last_active_ts", strconv.Itoa(int(lastActiveTS)))
log.Tracef("Sending presence to syncAPI: %+v", m.Header)
_, err := p.JetStream.PublishMsg(m, nats.Context(ctx))
return err
}
func (p *SyncAPIProducer) SendDeviceListUpdate(
ctx context.Context, deviceListUpdate gomatrixserverlib.RawJSON, origin gomatrixserverlib.ServerName,
) (err error) {
m := nats.NewMsg(p.TopicDeviceListUpdate)
m.Header.Set("origin", string(origin))
m.Data = deviceListUpdate
log.Debugf("Sending device list update: %+v", m.Header)
_, err = p.JetStream.PublishMsg(m, nats.Context(ctx))
return err
}
func (p *SyncAPIProducer) SendSigningKeyUpdate(
ctx context.Context, data gomatrixserverlib.RawJSON, origin gomatrixserverlib.ServerName,
) (err error) {
m := nats.NewMsg(p.TopicSigningKeyUpdate)
m.Header.Set("origin", string(origin))
m.Data = data
log.Debugf("Sending signing key update")
_, err = p.JetStream.PublishMsg(m, nats.Context(ctx))
return err
}
|
