mirror of
https://github.com/cwinfo/matterbridge.git
synced 2025-06-27 04:09:24 +00:00
Refactor bridge. Allows bridging between every protocol
This commit is contained in:
Wim
59
bridge/irc/helper.go
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59
bridge/irc/helper.go
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@ -0,0 +1,59 @@
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package birc
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import (
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"strings"
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)
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func tableformatter(nicks []string, nicksPerRow int, continued bool) string {
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result := "|IRC users"
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if continued {
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result = "|(continued)"
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}
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for i := 0; i < 2; i++ {
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for j := 1; j <= nicksPerRow && j <= len(nicks); j++ {
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if i == 0 {
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result += "|"
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} else {
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result += ":-|"
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}
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}
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result += "\r\n|"
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}
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result += nicks[0] + "|"
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for i := 1; i < len(nicks); i++ {
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if i%nicksPerRow == 0 {
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result += "\r\n|" + nicks[i] + "|"
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} else {
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result += nicks[i] + "|"
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}
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}
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return result
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}
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func plainformatter(nicks []string, nicksPerRow int) string {
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return strings.Join(nicks, ", ") + " currently on IRC"
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}
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func IsMarkup(message string) bool {
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switch message[0] {
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case '|':
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fallthrough
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case '#':
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fallthrough
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case '_':
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fallthrough
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case '*':
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fallthrough
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case '~':
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fallthrough
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case '-':
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fallthrough
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case ':':
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fallthrough
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case '>':
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fallthrough
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case '=':
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return true
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}
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return false
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}
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214
bridge/irc/irc.go
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214
bridge/irc/irc.go
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@ -0,0 +1,214 @@
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package birc
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import (
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"crypto/tls"
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"github.com/42wim/matterbridge/bridge/config"
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log "github.com/Sirupsen/logrus"
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ircm "github.com/sorcix/irc"
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"github.com/thoj/go-ircevent"
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"sort"
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"strconv"
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"strings"
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"time"
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)
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//type Bridge struct {
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type Birc struct {
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i *irc.Connection
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ircNick string
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ircMap map[string]string
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names map[string][]string
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ircIgnoreNicks []string
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*config.Config
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kind string
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Remote chan config.Message
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}
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type FancyLog struct {
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irc *log.Entry
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mm *log.Entry
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xmpp *log.Entry
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}
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var flog FancyLog
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const Legacy = "legacy"
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func init() {
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flog.irc = log.WithFields(log.Fields{"module": "irc"})
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flog.mm = log.WithFields(log.Fields{"module": "mattermost"})
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flog.xmpp = log.WithFields(log.Fields{"module": "xmpp"})
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}
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func New(config *config.Config, c chan config.Message) *Birc {
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b := &Birc{}
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b.Config = config
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b.kind = "legacy"
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b.Remote = c
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b.ircNick = b.Config.IRC.Nick
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b.ircMap = make(map[string]string)
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b.names = make(map[string][]string)
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b.ircIgnoreNicks = strings.Fields(b.Config.IRC.IgnoreNicks)
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flog.irc.Info("Trying IRC connection")
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b.i = b.connect()
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flog.irc.Info("Connection succeeded")
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return b
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}
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func (b *Birc) Command(msg *config.Message) string {
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switch msg.Text {
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case "!users":
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b.i.SendRaw("NAMES " + msg.Channel)
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}
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return ""
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}
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func (b *Birc) Name() string {
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return "irc"
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}
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func (b *Birc) Send(msg config.Message) error {
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if msg.Origin == "irc" {
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return nil
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}
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if strings.HasPrefix(msg.Text, "!") {
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b.Command(&msg)
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return nil
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}
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username := b.ircNickFormat(msg.Username)
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b.i.Privmsg(msg.Channel, username+msg.Text)
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return nil
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}
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func (b *Birc) connect() *irc.Connection {
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i := irc.IRC(b.Config.IRC.Nick, b.Config.IRC.Nick)
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i.UseTLS = b.Config.IRC.UseTLS
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i.UseSASL = b.Config.IRC.UseSASL
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i.SASLLogin = b.Config.IRC.NickServNick
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i.SASLPassword = b.Config.IRC.NickServPassword
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i.TLSConfig = &tls.Config{InsecureSkipVerify: b.Config.IRC.SkipTLSVerify}
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if b.Config.IRC.Password != "" {
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i.Password = b.Config.IRC.Password
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}
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i.AddCallback(ircm.RPL_WELCOME, b.handleNewConnection)
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err := i.Connect(b.Config.IRC.Server)
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if err != nil {
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flog.irc.Fatal(err)
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}
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return i
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}
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func (b *Birc) endNames(event *irc.Event) {
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channel := event.Arguments[1]
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sort.Strings(b.names[channel])
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maxNamesPerPost := (300 / b.nicksPerRow()) * b.nicksPerRow()
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continued := false
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for len(b.names[channel]) > maxNamesPerPost {
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b.Remote <- config.Message{Username: b.ircNick, Text: b.formatnicks(b.names[channel][0:maxNamesPerPost], continued), Channel: channel, Origin: "irc"}
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b.names[channel] = b.names[channel][maxNamesPerPost:]
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continued = true
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}
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b.Remote <- config.Message{Username: b.ircNick, Text: b.formatnicks(b.names[channel], continued), Channel: channel, Origin: "irc"}
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b.names[channel] = nil
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}
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func (b *Birc) handleNewConnection(event *irc.Event) {
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flog.irc.Info("Registering callbacks")
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i := b.i
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b.ircNick = event.Arguments[0]
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i.AddCallback("PRIVMSG", b.handlePrivMsg)
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i.AddCallback("CTCP_ACTION", b.handlePrivMsg)
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i.AddCallback(ircm.RPL_TOPICWHOTIME, b.handleTopicWhoTime)
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i.AddCallback(ircm.RPL_ENDOFNAMES, b.endNames)
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i.AddCallback(ircm.RPL_NAMREPLY, b.storeNames)
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i.AddCallback(ircm.NOTICE, b.handleNotice)
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i.AddCallback(ircm.RPL_MYINFO, func(e *irc.Event) { flog.irc.Infof("%s: %s", e.Code, strings.Join(e.Arguments[1:], " ")) })
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i.AddCallback("PING", func(e *irc.Event) {
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i.SendRaw("PONG :" + e.Message())
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flog.irc.Debugf("PING/PONG")
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})
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if b.Config.Mattermost.ShowJoinPart {
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i.AddCallback("JOIN", b.handleJoinPart)
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i.AddCallback("PART", b.handleJoinPart)
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}
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i.AddCallback("*", b.handleOther)
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b.setupChannels()
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}
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func (b *Birc) handleJoinPart(event *irc.Event) {
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//b.Send(b.ircNick, b.ircNickFormat(event.Nick)+" "+strings.ToLower(event.Code)+"s "+event.Message(), b.getMMChannel(event.Arguments[0]))
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}
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func (b *Birc) handleNotice(event *irc.Event) {
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if strings.Contains(event.Message(), "This nickname is registered") {
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b.i.Privmsg(b.Config.IRC.NickServNick, "IDENTIFY "+b.Config.IRC.NickServPassword)
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}
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}
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func (b *Birc) handleOther(event *irc.Event) {
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flog.irc.Debugf("%#v", event)
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}
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func (b *Birc) handlePrivMsg(event *irc.Event) {
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flog.irc.Debugf("handlePrivMsg() %s %s", event.Nick, event.Message())
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msg := ""
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if event.Code == "CTCP_ACTION" {
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msg = event.Nick + " "
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}
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msg += event.Message()
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b.Remote <- config.Message{Username: event.Nick, Text: msg, Channel: event.Arguments[0], Origin: "irc"}
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}
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func (b *Birc) handleTopicWhoTime(event *irc.Event) {
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parts := strings.Split(event.Arguments[2], "!")
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t, err := strconv.ParseInt(event.Arguments[3], 10, 64)
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if err != nil {
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flog.irc.Errorf("Invalid time stamp: %s", event.Arguments[3])
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}
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user := parts[0]
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if len(parts) > 1 {
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user += " [" + parts[1] + "]"
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}
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flog.irc.Infof("%s: Topic set by %s [%s]", event.Code, user, time.Unix(t, 0))
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}
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func (b *Birc) ircNickFormat(nick string) string {
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flog.irc.Debug("ircnick", nick)
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if nick == b.ircNick {
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return nick
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}
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if b.Config.IRC.RemoteNickFormat == "" {
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return "irc-" + nick
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}
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return strings.Replace(b.Config.IRC.RemoteNickFormat, "{NICK}", nick, -1)
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}
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func (b *Birc) nicksPerRow() int {
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if b.Config.Mattermost.NicksPerRow < 1 {
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return 4
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}
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return b.Config.Mattermost.NicksPerRow
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}
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func (b *Birc) setupChannels() {
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for _, val := range b.Config.Channel {
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flog.irc.Infof("Joining %s as %s", val.IRC, b.ircNick)
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b.i.Join(val.IRC)
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}
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}
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func (b *Birc) storeNames(event *irc.Event) {
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channel := event.Arguments[2]
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b.names[channel] = append(
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b.names[channel],
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strings.Split(strings.TrimSpace(event.Message()), " ")...)
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}
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func (b *Birc) formatnicks(nicks []string, continued bool) string {
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switch b.Config.Mattermost.NickFormatter {
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case "table":
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return tableformatter(nicks, b.nicksPerRow(), continued)
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default:
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return plainformatter(nicks, b.nicksPerRow())
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}
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}
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