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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
package bmatrix
import (
"bytes"
"mime"
"regexp"
"strings"
"sync"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
log "github.com/Sirupsen/logrus"
matrix "github.com/matterbridge/gomatrix"
)
type Bmatrix struct {
mc *matrix.Client
UserID string
RoomMap map[string]string
sync.RWMutex
*config.BridgeConfig
}
var flog *log.Entry
var protocol = "matrix"
func init() {
flog = log.WithFields(log.Fields{"module": protocol})
}
func New(cfg *config.BridgeConfig) *Bmatrix {
b := &Bmatrix{BridgeConfig: cfg}
b.RoomMap = make(map[string]string)
return b
}
func (b *Bmatrix) Connect() error {
var err error
flog.Infof("Connecting %s", b.Config.Server)
b.mc, err = matrix.NewClient(b.Config.Server, "", "")
if err != nil {
flog.Debugf("%#v", err)
return err
}
resp, err := b.mc.Login(&matrix.ReqLogin{
Type: "m.login.password",
User: b.Config.Login,
Password: b.Config.Password,
})
if err != nil {
flog.Debugf("%#v", err)
return err
}
b.mc.SetCredentials(resp.UserID, resp.AccessToken)
b.UserID = resp.UserID
flog.Info("Connection succeeded")
go b.handlematrix()
return nil
}
func (b *Bmatrix) Disconnect() error {
return nil
}
func (b *Bmatrix) JoinChannel(channel config.ChannelInfo) error {
resp, err := b.mc.JoinRoom(channel.Name, "", nil)
if err != nil {
return err
}
b.Lock()
b.RoomMap[resp.RoomID] = channel.Name
b.Unlock()
return err
}
func (b *Bmatrix) Send(msg config.Message) (string, error) {
flog.Debugf("Receiving %#v", msg)
channel := b.getRoomID(msg.Channel)
// ignore delete messages
if msg.Event == config.EVENT_MSG_DELETE {
if msg.ID == "" {
return "", nil
}
resp, err := b.mc.RedactEvent(channel, msg.ID, &matrix.ReqRedact{})
if err != nil {
return "", err
}
return resp.EventID, err
}
flog.Debugf("Sending to channel %s", channel)
if msg.Event == config.EVENT_USER_ACTION {
resp, err := b.mc.SendMessageEvent(channel, "m.room.message",
matrix.TextMessage{"m.emote", msg.Username + msg.Text})
return resp.EventID, err
}
if msg.Extra != nil {
// check if we have files to upload (from slack, telegram or mattermost)
if len(msg.Extra["file"]) > 0 {
for _, f := range msg.Extra["file"] {
fi := f.(config.FileInfo)
content := bytes.NewReader(*fi.Data)
sp := strings.Split(fi.Name, ".")
mtype := mime.TypeByExtension("." + sp[len(sp)-1])
if strings.Contains(mtype, "image") ||
strings.Contains(mtype, "video") {
flog.Debugf("uploading file: %s %s", fi.Name, mtype)
res, err := b.mc.UploadToContentRepo(content, mtype, int64(len(*fi.Data)))
if err != nil {
flog.Errorf("file upload failed: %#v", err)
continue
}
if strings.Contains(mtype, "video") {
flog.Debugf("sendVideo %s", res.ContentURI)
_, err = b.mc.SendVideo(channel, fi.Name, res.ContentURI)
if err != nil {
flog.Errorf("sendVideo failed: %#v", err)
}
}
if strings.Contains(mtype, "image") {
flog.Debugf("sendImage %s", res.ContentURI)
_, err = b.mc.SendImage(channel, fi.Name, res.ContentURI)
if err != nil {
flog.Errorf("sendImage failed: %#v", err)
}
}
flog.Debugf("result: %#v", res)
}
}
return "", nil
}
}
resp, err := b.mc.SendText(channel, msg.Username+msg.Text)
return resp.EventID, err
}
func (b *Bmatrix) getRoomID(channel string) string {
b.RLock()
defer b.RUnlock()
for ID, name := range b.RoomMap {
if name == channel {
return ID
}
}
return ""
}
func (b *Bmatrix) handlematrix() error {
syncer := b.mc.Syncer.(*matrix.DefaultSyncer)
syncer.OnEventType("m.room.redaction", b.handleEvent)
syncer.OnEventType("m.room.message", b.handleEvent)
go func() {
for {
if err := b.mc.Sync(); err != nil {
flog.Println("Sync() returned ", err)
}
}
}()
return nil
}
func (b *Bmatrix) handleEvent(ev *matrix.Event) {
flog.Debugf("Received: %#v", ev)
if ev.Sender != b.UserID {
b.RLock()
channel, ok := b.RoomMap[ev.RoomID]
b.RUnlock()
if !ok {
flog.Debugf("Unknown room %s", ev.RoomID)
return
}
username := ev.Sender[1:]
if b.Config.NoHomeServerSuffix {
re := regexp.MustCompile("(.*?):.*")
username = re.ReplaceAllString(username, `$1`)
}
var text string
text, _ = ev.Content["body"].(string)
rmsg := config.Message{Username: username, Text: text, Channel: channel, Account: b.Account, UserID: ev.Sender}
rmsg.ID = ev.ID
if ev.Type == "m.room.redaction" {
rmsg.Event = config.EVENT_MSG_DELETE
rmsg.ID = ev.Redacts
rmsg.Text = config.EVENT_MSG_DELETE
b.Remote <- rmsg
return
}
if ev.Content["msgtype"].(string) == "m.emote" {
rmsg.Event = config.EVENT_USER_ACTION
}
if ev.Content["msgtype"] != nil && ev.Content["msgtype"].(string) == "m.image" ||
ev.Content["msgtype"].(string) == "m.video" ||
ev.Content["msgtype"].(string) == "m.file" {
flog.Debugf("ev: %#v", ev)
rmsg.Extra = make(map[string][]interface{})
url := ev.Content["url"].(string)
url = strings.Replace(url, "mxc://", b.Config.Server+"/_matrix/media/v1/download/", -1)
info := ev.Content["info"].(map[string]interface{})
size := info["size"].(float64)
name := ev.Content["body"].(string)
flog.Debugf("trying to download %#v with size %#v", name, size)
if size <= float64(b.General.MediaDownloadSize) {
data, err := helper.DownloadFile(url)
if err != nil {
flog.Errorf("download %s failed %#v", url, err)
} else {
flog.Debugf("download OK %#v %#v %#v", name, len(*data), len(url))
rmsg.Extra["file"] = append(rmsg.Extra["file"], config.FileInfo{Name: name, Data: data})
}
}
rmsg.Text = ""
}
flog.Debugf("Sending message from %s on %s to gateway", ev.Sender, b.Account)
b.Remote <- rmsg
}
}
|
