From 316893c469bc307dc154998dc83e31d7351379f6 Mon Sep 17 00:00:00 2001
From: Andreas Neue <andreas.neue@chefkoch.de>
Date: Thu, 1 Aug 2019 13:28:01 +0200
Subject: [PATCH] re-added irc.go

---
 irc.go  | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go |   4 +-
 2 files changed, 139 insertions(+), 2 deletions(-)
 create mode 100644 irc.go

diff --git a/irc.go b/irc.go
new file mode 100644
index 0000000..769d701
--- /dev/null
+++ b/irc.go
@@ -0,0 +1,137 @@
+// vi:ts=4:sts=4:sw=4:noet:tw=72
+//
+// flokatirc
+//
+// Copyright (c) 2015,2016 Andreas Neue <an@dnix.de>
+
+package main
+
+import (
+	"crypto/tls"
+	"flag"
+	"fmt"
+	"strings"
+	"time"
+
+	"git.dnix.de/an/flokatilib/modules"
+	"git.dnix.de/an/xlog"
+
+	irc "github.com/fluffle/goirc/client"
+)
+
+var (
+	usetls      = flag.Bool("tls", true, "Use TLS")
+	port        = flag.String("port", "6697", "Server port")
+	nsname      = flag.String("nsname", "NickServ", "NickServ name")
+	nspass      = flag.String("nspass", "", "NickServ password")
+	automsgTo   = flag.String("automsg_to", "", "Autosend IRC msg recipient")
+	automsgText = flag.String("automsg_text", "", "Autosend IRC msg text")
+)
+
+func Irc(say chan string) {
+	//bot := ircx.Classic(*server, *name)
+	cfg := irc.NewConfig(*name)
+	cfg.SSL = *usetls
+	cfg.SSLConfig = &tls.Config{ServerName: *server}
+	cfg.Server = *server + ":" + *port
+	cfg.NewNick = func(n string) string { return n + "^" }
+	cfg.Me.Ident = *name
+	cfg.Me.Name = *name
+	bot := irc.Client(cfg)
+	SetupHandlers(bot, say)
+
+	go CheckConnection(bot)
+	go Ping(bot)
+
+	modules.Init(say, *mods)
+	modules.BotNick = strings.ToLower(*name)
+
+	for {
+		var targets string
+		for {
+			if bot.Connected() {
+				break
+			}
+			time.Sleep(1 * time.Second)
+		}
+		line := strings.Split(<-say, "\n")
+		xlog.Debug("Say: \"%s\"", line)
+		if len(line) < 2 {
+			continue
+		}
+		if line[0] != "*" {
+			targets = line[0]
+		} else {
+			targets = *channels
+		}
+		for _, tar := range strings.Split(targets, ",") {
+			bot.Privmsg(tar, line[1])
+			time.Sleep(1 * time.Second)
+		}
+	}
+	time.Sleep(1 * time.Millisecond)
+}
+
+func SetupHandlers(bot *irc.Conn, say chan string) {
+	xlog.Info("Registering handlers")
+	bot.HandleFunc("001", func(c *irc.Conn, l *irc.Line) {
+		go func(c *irc.Conn, l *irc.Line) {
+			if *nspass != "" {
+				xlog.Info("Authenticating with NickServ: %v, %v", *name, "xxxxxx")
+				bot.Privmsg(*nsname, "IDENTIFY "+*name+" "+*nspass)
+			}
+			if *automsgTo != "" && *automsgText != "" {
+				xlog.Info("Sending automsg ...")
+				bot.Privmsg(*automsgTo, *automsgText)
+			}
+			xlog.Info("Joining channels: %v", *channels)
+			for _, ch := range strings.Split(*channels, ",") {
+				bot.Join(ch)
+			}
+			time.Sleep(2 * time.Second)
+			msg := fmt.Sprintf("running on %s", SoftwareInfo())
+			say <- fmt.Sprintf("%s\n\001ACTION %s\001", "*", msg)
+		}(c, l)
+	})
+	bot.HandleFunc("PRIVMSG", func(c *irc.Conn, l *irc.Line) {
+		go func(c *irc.Conn, l *irc.Line) {
+			//TODO: implement message handler table
+			HandleMessage(l)
+			modules.HandleMessage(&modules.Message{From: l.Nick, Channel: l.Args[0], Text: l.Text()})
+		}(c, l)
+	})
+}
+
+func CheckConnection(bot *irc.Conn) {
+	for {
+		if !bot.Connected() {
+			xlog.Info("Not connected, connecting ...")
+			if err := bot.Connect(); err != nil {
+				xlog.Error("Unable to dial IRC Server: %v", err)
+			}
+			time.Sleep(10 * time.Second)
+		}
+		time.Sleep(1 * time.Millisecond)
+	}
+}
+
+func HandleMessage(l *irc.Line) {
+	tok := strings.Split(l.Text(), " ")
+	if len(tok) < 1 {
+		return
+	}
+	switch tok[0] {
+	case "!version":
+		//msg := ctcp.Action(fmt.Sprintf("running on %s", SoftwareInfo()))
+		//sayCh <- fmt.Sprintf("%s\n%s", "*", msg)
+		//sayCh <- fmt.Sprintf("%s\n%s", "*", SoftwareInfo())
+	default:
+	}
+}
+
+func Ping(bot *irc.Conn) {
+	for {
+		time.Sleep(1 * time.Minute)
+		bot.Raw("PING")
+	}
+}
diff --git a/main.go b/main.go
index 8f373a5..310b2b5 100644
--- a/main.go
+++ b/main.go
@@ -37,8 +37,8 @@ func main() {
 	modules.Init(say, *mods)
 	modules.BotNick = strings.ToLower(*nick)
 	switch *protocol {
-	//case "irc":
-	//	Irc()
+	case "irc":
+		Irc(say)
 	case "matrix":
 		Matrix(say)
 	default: