hello world

.gitignore

@@ -0,0 +1,2 @@
+*.swp
+confann

main.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"crypto/tls"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/davecgh/go-spew/spew"
+	irc "github.com/fluffle/goirc/client"
+)
+
+const botMessage = `confann by alrs@tilde.team answers to "!botlist", and "!botlist" alone.`
+const confDir = ".confann"
+
+var sleepSeconds = 60
+
+func loadNickservPW() (string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	fqp := path.Join(home, confDir, "nickserv.secret")
+	data, err := ioutil.ReadFile(fqp)
+	if err != nil {
+		return "", err
+	}
+	pass := strings.TrimSuffix(string(data), "\n")
+	if pass == "" {
+		return "", fmt.Errorf("empty nickserv secret")
+	}
+	return pass, nil
+}
+
+func identString(pw string) string {
+	return fmt.Sprintf("identify %s", pw)
+}
+
+func main() {
+	nickservPW, err := loadNickservPW()
+	if err != nil {
+		log.Fatalf("loadNickservPW: %v", err)
+	}
+	channel := "#alrs"
+	cfg := irc.NewConfig("confann", "alrs")
+	cfg.Server = "tilde.chat:6697"
+	cfg.SSL = true
+	cfg.SSLConfig = &tls.Config{ServerName: "tilde.chat"}
+	cfg.Flood = false
+
+	conn := irc.Client(cfg)
+	conn.EnableStateTracking()
+
+	connected := make(chan struct{})
+	conn.HandleFunc("connected",
+		func(con *irc.Conn, line *irc.Line) {
+			connected <- struct{}{}
+		})
+
+	quit := make(chan struct{})
+	conn.HandleFunc("disconnected",
+		func(conn *irc.Conn, line *irc.Line) {
+			close(quit)
+		})
+
+	conn.HandleFunc(irc.PRIVMSG, func(conn *irc.Conn, line *irc.Line) {
+		if len(line.Args) >= 2 && line.Args[1] == "!botlist" {
+			conn.Privmsg(line.Args[0], botMessage)
+		}
+		log.Print(spew.Sdump(line.Args))
+	})
+
+	conn.HandleFunc(irc.REGISTER, func(conn *irc.Conn, line *irc.Line) {
+		log.Print("received REGISTER")
+		conn.Privmsg("NickServ", identString(nickservPW))
+	})
+
+	if err := conn.ConnectTo(cfg.Server); err != nil {
+		log.Fatalf("ConnectTo: %v", err)
+	}
+
+	for {
+		select {
+		case <-connected:
+			conn.Join(channel)
+			log.Print("CONNECTED")
+		case <-quit:
+			log.Print("DISCONNECTED")
+			os.Exit(0)
+		}
+	}
+}