Add support for multiple channels

README.md

@@ -28,6 +28,11 @@ matterbridge
 2) Edit matterbridge.conf with the settings for your environment. See below for more config information.  
 3) Now you can run matterbridge. 
 
+```
+Usage of matterbridge:
+  -conf="matterbridge.conf": config file
+```
+
 Matterbridge will:
 * start a webserver listening on the port specified in the configuration.
 * connect to specified irc server and channel.
@@ -35,7 +40,7 @@ Matterbridge will:
 
 ## config
 ### matterbridge
-matterbridge looks for matterbridge.conf in current directory.
+matterbridge looks for matterbridge.conf in current directory. (use -conf to specify another file)
 
 Look at matterbridge.conf.sample for an example
 
@@ -58,10 +63,21 @@ port=9999
 BindAddress="0.0.0.0"
 showjoinpart=true #show irc users joining and parting
 #the token you get from the outgoing webhook in mattermost. If empty no token check will be done.
+#if you use multiple IRC channel (see below, this must be empty!)
 token=yourtokenfrommattermost
 #disable certificate checking (selfsigned certificates)
 #SkipTLSVerify=true
 
+#multiple channel config
+#token you can find in your outgoing webhook
+[Token "outgoingwebhooktoken1"] 
+IRCChannel="#off-topic"
+MMChannel="off-topic"
+
+[Token "outgoingwebhooktoken2"]
+IRCChannel="#testing"
+MMChannel="testing"
+
 [general]
 #request your API key on https://github.com/giphy/GiphyAPI. This is a public beta key
 GiphyApiKey="dc6zaTOxFJmzC"

config.go

@@ -25,6 +25,10 @@ type Config struct {
 		BindAddress   string
 		Channel       string
 	}
+	Token map[string]*struct {
+		IRCChannel string
+		MMChannel  string
+	}
 	General struct {
 		GiphyAPIKey string
 	}

matterbridge.conf.sample

@@ -10,10 +10,22 @@ channel="#matterbridge"
 url="http://yourdomain/hooks/yourhookkey"
 port=9999
 showjoinpart=true
-#token=yourtokenfrommattermost
+#remove token when using multiple channels!
+token=yourtokenfrommattermost
 IconURL="http://youricon.png"
 #SkipTLSVerify=true
 #BindAddress="0.0.0.0"
 
 [general]
 GiphyAPIKey=dc6zaTOxFJmzC
+
+#multiple channel config
+#token you can find in your outgoing webhook
+[Token "outgoingwebhooktoken1"] 
+IRCChannel="#off-topic"
+MMChannel="off-topic"
+
+[Token "outgoingwebhooktoken2"]
+IRCChannel="#testing"
+MMChannel="testing"
+

matterbridge.go

@@ -15,12 +15,19 @@ import (
 type Bridge struct {
 	i    *irc.Connection
 	m    *matterhook.Client
+	cmap map[string]string
 	*Config
 }
 
 func NewBridge(name string, config *Config) *Bridge {
 	b := &Bridge{}
 	b.Config = config
+	b.cmap = make(map[string]string)
+	if len(b.Config.Token) > 0 {
+		for _, val := range b.Config.Token {
+			b.cmap[val.IRCChannel] = val.MMChannel
+		}
+	}
 	b.m = matterhook.New(b.Config.Mattermost.URL,
 		matterhook.Config{Port: b.Config.Mattermost.Port, Token: b.Config.Mattermost.Token,
 			InsecureSkipVerify: b.Config.Mattermost.SkipTLSVerify,
@@ -38,13 +45,17 @@ func (b *Bridge) createIRC(name string) *irc.Connection {
 	time.Sleep(time.Second)
 	log.Println("Joining", b.Config.IRC.Channel, "as", b.Config.IRC.Nick)
 	i.Join(b.Config.IRC.Channel)
+	for _, val := range b.Config.Token {
+		log.Println("Joining", val.IRCChannel, "as", b.Config.IRC.Nick)
+		i.Join(val.IRCChannel)
+	}
 	i.AddCallback("PRIVMSG", b.handlePrivMsg)
 	i.AddCallback("CTCP_ACTION", b.handlePrivMsg)
 	if b.Config.Mattermost.ShowJoinPart {
 		i.AddCallback("JOIN", b.handleJoinPart)
 		i.AddCallback("PART", b.handleJoinPart)
 	}
-	i.AddCallback("353", b.handleOther)
+	//i.AddCallback("353", b.handleOther)
 	return i
 }
 
@@ -54,18 +65,19 @@ func (b *Bridge) handlePrivMsg(event *irc.Event) {
 		msg = event.Nick + " "
 	}
 	msg += event.Message()
-	b.Send("irc-"+event.Nick, msg, b.Config.Mattermost.Channel)
+	b.Send("irc-"+event.Nick, msg, b.getMMChannel(event.Arguments[0]))
 }
 
 func (b *Bridge) handleJoinPart(event *irc.Event) {
-	b.SendType(b.Config.IRC.Nick, "irc-"+event.Nick+" "+strings.ToLower(event.Code)+"s "+event.Message(),
-		b.Config.Mattermost.Channel, "join_leave")
+	b.Send(b.Config.IRC.Nick, "irc-"+event.Nick+" "+strings.ToLower(event.Code)+"s "+event.Message(), b.getMMChannel(event.Arguments[0]))
+	//b.SendType(b.Config.IRC.Nick, "irc-"+event.Nick+" "+strings.ToLower(event.Code)+"s "+event.Message(), b.getMMChannel(event.Arguments[0]), "join_leave")
 }
 
 func (b *Bridge) handleOther(event *irc.Event) {
 	switch event.Code {
 	case "353":
-		b.Send(b.Config.IRC.Nick, event.Message()+" currently on IRC", b.Config.Mattermost.Channel)
+		log.Println("handleOther", b.getMMChannel(event.Arguments[0]))
+		b.Send(b.Config.IRC.Nick, event.Message()+" currently on IRC", b.getMMChannel(event.Arguments[0]))
 	}
 }
 
@@ -94,14 +106,14 @@ func (b *Bridge) handleMatter() {
 		switch cmd {
 		case "!users":
 			log.Println("received !users from", message.UserName)
-			b.i.SendRaw("NAMES " + b.Config.IRC.Channel)
+			b.i.SendRaw("NAMES " + b.getIRCChannel(message.Token))
 		case "!gif":
 			message.Text = b.giphyRandom(strings.Fields(strings.Replace(message.Text, "!gif ", "", 1)))
-			b.Send(b.Config.IRC.Nick, message.Text, b.Config.Mattermost.Channel)
+			b.Send(b.Config.IRC.Nick, message.Text, b.getIRCChannel(message.Token))
 		}
 		texts := strings.Split(message.Text, "\n")
 		for _, text := range texts {
-			b.i.Privmsg(b.Config.IRC.Channel, message.UserName+": "+text)
+			b.i.Privmsg(b.getIRCChannel(message.Token), message.UserName+": "+text)
 		}
 	}
 }
@@ -118,6 +130,23 @@ func (b *Bridge) giphyRandom(query []string) string {
 	return res.Data.FixedHeightDownsampledURL
 }
 
+func (b *Bridge) getMMChannel(ircChannel string) string {
+	mmchannel, ok := b.cmap[ircChannel]
+	if !ok {
+		mmchannel = b.Config.Mattermost.Channel
+	}
+	return mmchannel
+}
+
+func (b *Bridge) getIRCChannel(token string) string {
+	ircchannel := b.Config.IRC.Channel
+	_, ok := b.Config.Token[token]
+	if ok {
+		ircchannel = b.Config.Token[token].IRCChannel
+	}
+	return ircchannel
+}
+
 func main() {
 	flagConfig := flag.String("conf", "matterbridge.conf", "config file")
 	flag.Parse()