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
|
package birc
import (
"bytes"
"fmt"
"io/ioutil"
"regexp"
"strconv"
"strings"
"time"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
"github.com/dfordsoft/golib/ic"
"github.com/lrstanley/girc"
"github.com/paulrosania/go-charset/charset"
"github.com/saintfish/chardet"
// We need to import the 'data' package as an implicit dependency.
// See: https://godoc.org/github.com/paulrosania/go-charset/charset
_ "github.com/paulrosania/go-charset/data"
)
func (b *Birc) handleCharset(msg *config.Message) error {
if b.GetString("Charset") != "" {
switch b.GetString("Charset") {
case "gbk", "gb18030", "gb2312", "big5", "euc-kr", "euc-jp", "shift-jis", "iso-2022-jp":
msg.Text = ic.ConvertString("utf-8", b.GetString("Charset"), msg.Text)
default:
buf := new(bytes.Buffer)
w, err := charset.NewWriter(b.GetString("Charset"), buf)
if err != nil {
b.Log.Errorf("charset from utf-8 conversion failed: %s", err)
return err
}
fmt.Fprint(w, msg.Text)
w.Close()
msg.Text = buf.String()
}
}
return nil
}
// handleFiles returns true if we have handled the files, otherwise return false
func (b *Birc) handleFiles(msg *config.Message) bool {
if msg.Extra == nil {
return false
}
for _, rmsg := range helper.HandleExtra(msg, b.General) {
b.Local <- rmsg
}
if len(msg.Extra["file"]) == 0 {
return false
}
for _, f := range msg.Extra["file"] {
fi := f.(config.FileInfo)
if fi.Comment != "" {
msg.Text += fi.Comment + ": "
}
if fi.URL != "" {
msg.Text = fi.URL
if fi.Comment != "" {
msg.Text = fi.Comment + ": " + fi.URL
}
}
b.Local <- config.Message{Text: msg.Text, Username: msg.Username, Channel: msg.Channel, Event: msg.Event}
}
return true
}
func (b *Birc) handleJoinPart(client *girc.Client, event girc.Event) {
if len(event.Params) == 0 {
b.Log.Debugf("handleJoinPart: empty Params? %#v", event)
return
}
channel := strings.ToLower(event.Params[0])
if event.Command == "KICK" && event.Params[1] == b.Nick {
b.Log.Infof("Got kicked from %s by %s", channel, event.Source.Name)
time.Sleep(time.Duration(b.GetInt("RejoinDelay")) * time.Second)
b.Remote <- config.Message{Username: "system", Text: "rejoin", Channel: channel, Account: b.Account, Event: config.EventRejoinChannels}
return
}
if event.Command == "QUIT" {
if event.Source.Name == b.Nick && strings.Contains(event.Last(), "Ping timeout") {
b.Log.Infof("%s reconnecting ..", b.Account)
b.Remote <- config.Message{Username: "system", Text: "reconnect", Channel: channel, Account: b.Account, Event: config.EventFailure}
return
}
}
if event.Source.Name != b.Nick {
if b.GetBool("nosendjoinpart") {
return
}
b.Log.Debugf("<= Sending JOIN_LEAVE event from %s to gateway", b.Account)
// QUIT isn't channel bound, happens for all channels on the bridge
if event.Command == "QUIT" {
channel = ""
}
msg := config.Message{Username: "system", Text: event.Source.Name + " " + strings.ToLower(event.Command) + "s", Channel: channel, Account: b.Account, Event: config.EventJoinLeave}
b.Log.Debugf("<= Message is %#v", msg)
b.Remote <- msg
return
}
b.Log.Debugf("handle %#v", event)
}
func (b *Birc) handleNewConnection(client *girc.Client, event girc.Event) {
b.Log.Debug("Registering callbacks")
i := b.i
b.Nick = event.Params[0]
i.Handlers.Add("PRIVMSG", b.handlePrivMsg)
i.Handlers.Add("CTCP_ACTION", b.handlePrivMsg)
i.Handlers.Add(girc.RPL_TOPICWHOTIME, b.handleTopicWhoTime)
i.Handlers.Add(girc.NOTICE, b.handleNotice)
i.Handlers.Add("JOIN", b.handleJoinPart)
i.Handlers.Add("PART", b.handleJoinPart)
i.Handlers.Add("QUIT", b.handleJoinPart)
i.Handlers.Add("KICK", b.handleJoinPart)
}
func (b *Birc) handleNickServ() {
if !b.GetBool("UseSASL") && b.GetString("NickServNick") != "" && b.GetString("NickServPassword") != "" {
b.Log.Debugf("Sending identify to nickserv %s", b.GetString("NickServNick"))
b.i.Cmd.Message(b.GetString("NickServNick"), "IDENTIFY "+b.GetString("NickServPassword"))
}
if strings.EqualFold(b.GetString("NickServNick"), "Q@CServe.quakenet.org") {
b.Log.Debugf("Authenticating %s against %s", b.GetString("NickServUsername"), b.GetString("NickServNick"))
b.i.Cmd.Message(b.GetString("NickServNick"), "AUTH "+b.GetString("NickServUsername")+" "+b.GetString("NickServPassword"))
}
// give nickserv some slack
time.Sleep(time.Second * 5)
b.authDone = true
}
func (b *Birc) handleNotice(client *girc.Client, event girc.Event) {
if strings.Contains(event.String(), "This nickname is registered") && event.Source.Name == b.GetString("NickServNick") {
b.handleNickServ()
} else {
b.handlePrivMsg(client, event)
}
}
func (b *Birc) handleOther(client *girc.Client, event girc.Event) {
if b.GetInt("DebugLevel") == 1 {
if event.Command != "CLIENT_STATE_UPDATED" &&
event.Command != "CLIENT_GENERAL_UPDATED" {
b.Log.Debugf("%#v", event.String())
}
return
}
switch event.Command {
case "372", "375", "376", "250", "251", "252", "253", "254", "255", "265", "266", "002", "003", "004", "005":
return
}
b.Log.Debugf("%#v", event.String())
}
func (b *Birc) handleOtherAuth(client *girc.Client, event girc.Event) {
b.handleNickServ()
b.handleRunCommands()
// we are now fully connected
b.connected <- nil
}
func (b *Birc) handlePrivMsg(client *girc.Client, event girc.Event) {
if b.skipPrivMsg(event) {
return
}
rmsg := config.Message{Username: event.Source.Name, Channel: strings.ToLower(event.Params[0]), Account: b.Account, UserID: event.Source.Ident + "@" + event.Source.Host}
b.Log.Debugf("== Receiving PRIVMSG: %s %s %#v", event.Source.Name, event.Last(), event)
// set action event
if event.IsAction() {
rmsg.Event = config.EventUserAction
}
// strip action, we made an event if it was an action
rmsg.Text += event.StripAction()
// strip IRC colors
re := regexp.MustCompile(`\x03(?:\d{1,2}(?:,\d{1,2})?)?|[[:cntrl:]]`)
rmsg.Text = re.ReplaceAllString(rmsg.Text, "")
// start detecting the charset
mycharset := b.GetString("Charset")
if mycharset == "" {
// detect what were sending so that we convert it to utf-8
detector := chardet.NewTextDetector()
result, err := detector.DetectBest([]byte(rmsg.Text))
if err != nil {
b.Log.Infof("detection failed for rmsg.Text: %#v", rmsg.Text)
return
}
b.Log.Debugf("detected %s confidence %#v", result.Charset, result.Confidence)
mycharset = result.Charset
// if we're not sure, just pick ISO-8859-1
if result.Confidence < 80 {
mycharset = "ISO-8859-1"
}
}
switch mycharset {
case "gbk", "gb18030", "gb2312", "big5", "euc-kr", "euc-jp", "shift-jis", "iso-2022-jp":
rmsg.Text = ic.ConvertString("utf-8", b.GetString("Charset"), rmsg.Text)
default:
r, err := charset.NewReader(mycharset, strings.NewReader(rmsg.Text))
if err != nil {
b.Log.Errorf("charset to utf-8 conversion failed: %s", err)
return
}
output, _ := ioutil.ReadAll(r)
rmsg.Text = string(output)
}
b.Log.Debugf("<= Sending message from %s on %s to gateway", event.Params[0], b.Account)
b.Remote <- rmsg
}
func (b *Birc) handleRunCommands() {
for _, cmd := range b.GetStringSlice("RunCommands") {
if err := b.i.Cmd.SendRaw(cmd); err != nil {
b.Log.Errorf("RunCommands %s failed: %s", cmd, err)
}
time.Sleep(time.Second)
}
}
func (b *Birc) handleTopicWhoTime(client *girc.Client, event girc.Event) {
parts := strings.Split(event.Params[2], "!")
t, err := strconv.ParseInt(event.Params[3], 10, 64)
if err != nil {
b.Log.Errorf("Invalid time stamp: %s", event.Params[3])
}
user := parts[0]
if len(parts) > 1 {
user += " [" + parts[1] + "]"
}
b.Log.Debugf("%s: Topic set by %s [%s]", event.Command, user, time.Unix(t, 0))
}
|
