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
|
package bridge
import (
//"fmt"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/irc"
"github.com/42wim/matterbridge/bridge/mattermost"
"github.com/42wim/matterbridge/bridge/xmpp"
log "github.com/Sirupsen/logrus"
"strings"
)
type Bridge struct {
*config.Config
Source string
Bridges []Bridger
Channels []map[string]string
ignoreNicks map[string][]string
}
type Bridger interface {
Send(msg config.Message) error
Name() string
Connect() error
//Command(cmd string) string
}
func NewBridge(cfg *config.Config) error {
c := make(chan config.Message)
b := &Bridge{}
b.Config = cfg
if cfg.IRC.Enable {
b.Bridges = append(b.Bridges, birc.New(cfg, c))
}
if cfg.Mattermost.Enable {
b.Bridges = append(b.Bridges, bmattermost.New(cfg, c))
}
if cfg.Xmpp.Enable {
b.Bridges = append(b.Bridges, bxmpp.New(cfg, c))
}
if len(b.Bridges) < 2 {
log.Fatalf("only %d sections enabled. Need at least 2 sections enabled (eg [IRC] and [mattermost]", len(b.Bridges))
}
for _, br := range b.Bridges {
br.Connect()
}
b.mapChannels()
b.mapIgnores()
b.handleReceive(c)
return nil
}
func (b *Bridge) handleReceive(c chan config.Message) {
for {
select {
case msg := <-c:
m := b.getChannel(msg.Origin, msg.Channel)
if m == nil {
continue
}
for _, br := range b.Bridges {
if b.ignoreMessage(msg.Username, msg.Text, msg.Origin) {
continue
}
// do not send to originated bridge
if br.Name() != msg.Origin {
msg.Channel = m[br.Name()]
msgmod := b.modifyMessage(msg, br.Name())
br.Send(msgmod)
}
}
}
}
}
func (b *Bridge) mapChannels() error {
for _, val := range b.Config.Channel {
m := make(map[string]string)
m["irc"] = val.IRC
m["mattermost"] = val.Mattermost
m["xmpp"] = val.Xmpp
b.Channels = append(b.Channels, m)
}
return nil
}
func (b *Bridge) mapIgnores() {
m := make(map[string][]string)
m["irc"] = strings.Fields(b.Config.IRC.IgnoreNicks)
m["mattermost"] = strings.Fields(b.Config.Mattermost.IgnoreNicks)
m["xmpp"] = strings.Fields(b.Config.Mattermost.IgnoreNicks)
b.ignoreNicks = m
}
func (b *Bridge) getChannel(src, name string) map[string]string {
for _, v := range b.Channels {
if v[src] == name {
return v
}
}
return nil
}
func (b *Bridge) ignoreMessage(nick string, message string, protocol string) bool {
// should we discard messages ?
for _, entry := range b.ignoreNicks[protocol] {
if nick == entry {
return true
}
}
return false
}
func setNickFormat(msg *config.Message, format string) {
if format == "" {
msg.Username = msg.Origin + "-" + msg.Username + ": "
return
}
msg.Username = strings.Replace(format, "{NICK}", msg.Username, -1)
msg.Username = strings.Replace(msg.Username, "{BRIDGE}", msg.Origin, -1)
}
func (b *Bridge) modifyMessage(msg config.Message, dest string) config.Message {
switch dest {
case "irc":
setNickFormat(&msg, b.Config.IRC.RemoteNickFormat)
case "xmpp":
setNickFormat(&msg, b.Config.Xmpp.RemoteNickFormat)
case "mattermost":
setNickFormat(&msg, b.Config.Mattermost.RemoteNickFormat)
}
return msg
}
|
