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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
package bslack
import (
"fmt"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/matterhook"
log "github.com/Sirupsen/logrus"
"github.com/nlopes/slack"
"regexp"
"strings"
"time"
)
type MMMessage struct {
Text string
Channel string
Username string
Raw *slack.MessageEvent
}
type Bslack struct {
mh *matterhook.Client
sc *slack.Client
Config *config.Protocol
rtm *slack.RTM
Plus bool
Remote chan config.Message
Users []slack.User
Account string
si *slack.Info
channels []slack.Channel
}
var flog *log.Entry
var protocol = "slack"
func init() {
flog = log.WithFields(log.Fields{"module": protocol})
}
func New(cfg config.Protocol, account string, c chan config.Message) *Bslack {
b := &Bslack{}
b.Config = &cfg
b.Remote = c
b.Account = account
return b
}
func (b *Bslack) Command(cmd string) string {
return ""
}
func (b *Bslack) Connect() error {
flog.Info("Connecting")
if !b.Config.UseAPI {
b.mh = matterhook.New(b.Config.URL,
matterhook.Config{BindAddress: b.Config.BindAddress})
} else {
b.sc = slack.New(b.Config.Token)
b.rtm = b.sc.NewRTM()
go b.rtm.ManageConnection()
}
flog.Info("Connection succeeded")
go b.handleSlack()
return nil
}
func (b *Bslack) JoinChannel(channel string) error {
// we can only join channels using the API
if b.Config.UseAPI {
_, err := b.sc.JoinChannel(channel)
if err != nil {
return err
}
}
return nil
}
func (b *Bslack) Send(msg config.Message) error {
flog.Debugf("Receiving %#v", msg)
if msg.Account == b.Account {
return nil
}
nick := msg.Username
message := msg.Text
channel := msg.Channel
if b.Config.PrefixMessagesWithNick {
message = nick + " " + message
}
if !b.Config.UseAPI {
matterMessage := matterhook.OMessage{IconURL: b.Config.IconURL}
matterMessage.Channel = channel
matterMessage.UserName = nick
matterMessage.Type = ""
matterMessage.Text = message
err := b.mh.Send(matterMessage)
if err != nil {
flog.Info(err)
return err
}
return nil
}
schannel, err := b.getChannelByName(channel)
if err != nil {
return err
}
np := slack.NewPostMessageParameters()
if b.Config.PrefixMessagesWithNick == true {
np.AsUser = true
}
np.Username = nick
np.IconURL = config.GetIconURL(&msg, b.Config)
if msg.Avatar != "" {
np.IconURL = msg.Avatar
}
b.sc.PostMessage(schannel.ID, message, np)
/*
newmsg := b.rtm.NewOutgoingMessage(message, schannel.ID)
b.rtm.SendMessage(newmsg)
*/
return nil
}
func (b *Bslack) getAvatar(user string) string {
var avatar string
if b.Users != nil {
for _, u := range b.Users {
if user == u.Name {
return u.Profile.Image48
}
}
}
return avatar
}
func (b *Bslack) getChannelByName(name string) (*slack.Channel, error) {
if b.channels == nil {
return nil, fmt.Errorf("%s: channel %s not found (no channels found)", b.Account, name)
}
for _, channel := range b.channels {
if channel.Name == name {
return &channel, nil
}
}
return nil, fmt.Errorf("%s: channel %s not found", b.Account, name)
}
func (b *Bslack) handleSlack() {
flog.Debugf("Choosing API based slack connection: %t", b.Config.UseAPI)
mchan := make(chan *MMMessage)
if b.Config.UseAPI {
go b.handleSlackClient(mchan)
} else {
go b.handleMatterHook(mchan)
}
time.Sleep(time.Second)
flog.Debug("Start listening for Slack messages")
for message := range mchan {
// do not send messages from ourself
if b.Config.UseAPI && message.Username == b.si.User.Name {
continue
}
texts := strings.Split(message.Text, "\n")
for _, text := range texts {
flog.Debugf("Sending message from %s on %s to gateway", message.Username, b.Account)
b.Remote <- config.Message{Text: text, Username: message.Username, Channel: message.Channel, Account: b.Account, Avatar: b.getAvatar(message.Username)}
}
}
}
func (b *Bslack) handleSlackClient(mchan chan *MMMessage) {
count := 0
for msg := range b.rtm.IncomingEvents {
switch ev := msg.Data.(type) {
case *slack.MessageEvent:
// ignore first message
if count > 0 {
flog.Debugf("Receiving from slackclient %#v", ev)
//ev.ReplyTo
channel, err := b.rtm.GetChannelInfo(ev.Channel)
if err != nil {
continue
}
user, err := b.rtm.GetUserInfo(ev.User)
if err != nil {
continue
}
m := &MMMessage{}
m.Username = user.Name
m.Channel = channel.Name
m.Text = ev.Text
m.Raw = ev
m.Text = b.replaceMention(m.Text)
mchan <- m
}
count++
case *slack.OutgoingErrorEvent:
flog.Debugf("%#v", ev.Error())
case *slack.ChannelJoinedEvent:
b.Users, _ = b.sc.GetUsers()
case *slack.ConnectedEvent:
b.channels = ev.Info.Channels
b.si = ev.Info
b.Users, _ = b.sc.GetUsers()
// add private channels
groups, _ := b.sc.GetGroups(true)
for _, g := range groups {
channel := new(slack.Channel)
channel.ID = g.ID
channel.Name = g.Name
b.channels = append(b.channels, *channel)
}
case *slack.InvalidAuthEvent:
flog.Fatalf("Invalid Token %#v", ev)
default:
}
}
}
func (b *Bslack) handleMatterHook(mchan chan *MMMessage) {
for {
message := b.mh.Receive()
flog.Debugf("receiving from matterhook (slack) %#v", message)
m := &MMMessage{}
m.Username = message.UserName
m.Text = message.Text
m.Text = b.replaceMention(m.Text)
m.Channel = message.ChannelName
mchan <- m
}
}
func (b *Bslack) userName(id string) string {
for _, u := range b.Users {
if u.ID == id {
return u.Name
}
}
return ""
}
func (b *Bslack) replaceMention(text string) string {
results := regexp.MustCompile(`<@([a-zA-z0-9]+)>`).FindAllStringSubmatch(text, -1)
for _, r := range results {
text = strings.Replace(text, "<@"+r[1]+">", "@"+b.userName(r[1]), -1)
}
return text
}
|
