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
|
package gateway
import (
"fmt"
"github.com/42wim/matterbridge/bridge"
"github.com/42wim/matterbridge/bridge/config"
log "github.com/Sirupsen/logrus"
"reflect"
"strings"
"time"
)
type Gateway struct {
*config.Config
MyConfig *config.Gateway
Bridges map[string]*bridge.Bridge
ChannelsOut map[string][]string
ChannelsIn map[string][]string
ChannelOptions map[string]config.ChannelOptions
Name string
Message chan config.Message
DestChannelFunc func(msg *config.Message, dest string) []string
}
func New(cfg *config.Config, gateway *config.Gateway) *Gateway {
gw := &Gateway{}
gw.Name = gateway.Name
gw.Config = cfg
gw.MyConfig = gateway
gw.Message = make(chan config.Message)
gw.Bridges = make(map[string]*bridge.Bridge)
gw.DestChannelFunc = gw.getDestChannel
return gw
}
func (gw *Gateway) AddBridge(cfg *config.Bridge) error {
for _, br := range gw.Bridges {
if br.Account == cfg.Account {
return nil
}
}
log.Infof("Starting bridge: %s ", cfg.Account)
br := bridge.New(gw.Config, cfg, gw.Message)
gw.mapChannelsToBridge(br, gw.ChannelsOut)
gw.mapChannelsToBridge(br, gw.ChannelsIn)
gw.Bridges[cfg.Account] = br
err := br.Connect()
if err != nil {
return fmt.Errorf("Bridge %s failed to start: %v", br.Account, err)
}
err = br.JoinChannels()
if err != nil {
return fmt.Errorf("Bridge %s failed to join channel: %v", br.Account, err)
}
return nil
}
func (gw *Gateway) mapChannelsToBridge(br *bridge.Bridge, cMap map[string][]string) {
for _, channel := range cMap[br.Account] {
if _, ok := gw.ChannelOptions[br.Account+channel]; ok {
br.ChannelsOut[channel] = gw.ChannelOptions[br.Account+channel]
} else {
br.ChannelsOut[channel] = config.ChannelOptions{}
}
}
}
func (gw *Gateway) Start() error {
gw.mapChannels()
for _, br := range append(gw.MyConfig.In, append(gw.MyConfig.InOut, gw.MyConfig.Out...)...) {
err := gw.AddBridge(&br)
if err != nil {
return err
}
}
go gw.handleReceive()
return nil
}
func (gw *Gateway) handleReceive() {
for {
select {
case msg := <-gw.Message:
if msg.Event == config.EVENT_FAILURE {
for _, br := range gw.Bridges {
if msg.Account == br.Account {
go gw.reconnectBridge(br)
}
}
}
if !gw.ignoreMessage(&msg) {
msg.Timestamp = time.Now()
for _, br := range gw.Bridges {
gw.handleMessage(msg, br)
}
}
}
}
}
func (gw *Gateway) reconnectBridge(br *bridge.Bridge) {
br.Disconnect()
time.Sleep(time.Second * 5)
RECONNECT:
log.Infof("Reconnecting %s", br.Account)
err := br.Connect()
if err != nil {
log.Errorf("Reconnection failed: %s. Trying again in 60 seconds", err)
time.Sleep(time.Second * 60)
goto RECONNECT
}
br.JoinChannels()
}
func (gw *Gateway) mapChannels() error {
options := make(map[string]config.ChannelOptions)
m := make(map[string][]string)
for _, br := range gw.MyConfig.Out {
m[br.Account] = append(m[br.Account], br.Channel)
options[br.Account+br.Channel] = br.Options
}
gw.ChannelsOut = m
m = nil
m = make(map[string][]string)
for _, br := range gw.MyConfig.In {
m[br.Account] = append(m[br.Account], br.Channel)
options[br.Account+br.Channel] = br.Options
}
gw.ChannelsIn = m
for _, br := range gw.MyConfig.InOut {
gw.ChannelsIn[br.Account] = append(gw.ChannelsIn[br.Account], br.Channel)
gw.ChannelsOut[br.Account] = append(gw.ChannelsOut[br.Account], br.Channel)
options[br.Account+br.Channel] = br.Options
}
gw.ChannelOptions = options
return nil
}
func (gw *Gateway) getDestChannel(msg *config.Message, dest string) []string {
channels := gw.ChannelsIn[msg.Account]
// broadcast to every out channel (irc QUIT)
if msg.Event == config.EVENT_JOIN_LEAVE && msg.Channel == "" {
return gw.ChannelsOut[dest]
}
for _, channel := range channels {
if channel == msg.Channel {
return gw.ChannelsOut[dest]
}
}
return []string{}
}
func (gw *Gateway) handleMessage(msg config.Message, dest *bridge.Bridge) {
// only relay join/part when configged
if msg.Event == config.EVENT_JOIN_LEAVE && !gw.Bridges[dest.Account].Config.ShowJoinPart {
return
}
originchannel := msg.Channel
channels := gw.DestChannelFunc(&msg, dest.Account)
for _, channel := range channels {
// do not send the message to the bridge we come from if also the channel is the same
if msg.Account == dest.Account && channel == originchannel {
continue
}
msg.Channel = channel
if msg.Channel == "" {
log.Debug("empty channel")
return
}
log.Debugf("Sending %#v from %s (%s) to %s (%s)", msg, msg.Account, originchannel, dest.Account, channel)
gw.modifyUsername(&msg, dest)
// for api we need originchannel as channel
if dest.Protocol == "api" {
msg.Channel = originchannel
}
err := dest.Send(msg)
if err != nil {
fmt.Println(err)
}
}
}
func (gw *Gateway) ignoreMessage(msg *config.Message) bool {
if msg.Text == "" {
log.Debugf("ignoring empty message %#v from %s", msg, msg.Account)
return true
}
for _, entry := range strings.Fields(gw.Bridges[msg.Account].Config.IgnoreNicks) {
if msg.Username == entry {
log.Debugf("ignoring %s from %s", msg.Username, msg.Account)
return true
}
}
return false
}
func (gw *Gateway) modifyMessage(msg *config.Message, dest *bridge.Bridge) {
val := reflect.ValueOf(gw.Config).Elem()
for i := 0; i < val.NumField(); i++ {
typeField := val.Type().Field(i)
// look for the protocol map (both lowercase)
if strings.ToLower(typeField.Name) == dest.Protocol {
// get the Protocol struct from the map
protoCfg := val.Field(i).MapIndex(reflect.ValueOf(dest.Name))
//config.SetNickFormat(msg, protoCfg.Interface().(config.Protocol))
val.Field(i).SetMapIndex(reflect.ValueOf(dest.Name), protoCfg)
break
}
}
}
func (gw *Gateway) modifyUsername(msg *config.Message, dest *bridge.Bridge) {
br := gw.Bridges[msg.Account]
msg.Protocol = br.Protocol
nick := gw.Config.General.RemoteNickFormat
if nick == "" {
nick = dest.Config.RemoteNickFormat
}
nick = strings.Replace(nick, "{NICK}", msg.Username, -1)
nick = strings.Replace(nick, "{BRIDGE}", br.Name, -1)
nick = strings.Replace(nick, "{PROTOCOL}", br.Protocol, -1)
msg.Username = nick
}
|
