forked from patterns/bot
/
bot.go
142 lines (117 loc) · 2.9 KB
/
bot.go
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package main
import (
"os"
"os/user"
"crypto/md5"
"encoding/hex"
"flag"
"fmt"
"log"
"path"
"regexp"
"strings"
"time"
"github.com/nickvanw/ircx"
"github.com/sorcix/irc"
"github.com/luksen/maildir"
)
var (
name = flag.String("name", "testgoircx", "Nick to use in IRC")
server = flag.String("server", "chat.freenode.org:6667", "Host:port to connect to")
channels = flag.String("chan", "#botwar", "Channels")
)
func init() {
flag.Parse()
}
func main() {
bot := ircx.Classic(*server, *name)
if err := bot.Connect(); err != nil {
log.Panicln("Unable to dial IRC server ", err)
}
RegisterHandlers(bot)
bot.CallbackLoop()
log.Println("Exiting...")
}
func RegisterHandlers(bot *ircx.Bot) {
bot.AddCallback(irc.RPL_WELCOME, ircx.Callback{Handler: ircx.HandlerFunc(RegisterConnect)})
bot.AddCallback(irc.PING, ircx.Callback{Handler: ircx.HandlerFunc(PingHandler)})
maildirproxy := NewMaildirproxy(*server)
bot.AddCallback(irc.PRIVMSG, ircx.Callback{Handler: ircx.HandlerFunc(maildirproxy.PrivmsgHandler)})
}
func RegisterConnect(s ircx.Sender, m *irc.Message) {
s.Send(&irc.Message{
Command: irc.JOIN,
Params: []string{*channels},
})
}
func PingHandler(s ircx.Sender, m *irc.Message) {
s.Send(&irc.Message{
Command: irc.PONG,
Params: m.Params,
Trailing: m.Trailing,
})
}
type Maildirproxy struct {
Server string
Mdir maildir.Dir
}
func Formatservername(name string) string {
host := strings.Split(name, ":")
reg, err := regexp.Compile("[^A-Za-z0-9]+")
if err != nil {
log.Fatal(err)
}
safe := reg.ReplaceAllString(host[0], "")
safe = "." + strings.ToLower(strings.Trim(safe, " "))
usr, err := user.Current()
if err != nil {
log.Fatal(err)
}
full := path.Join(usr.HomeDir, safe)
return full
}
func exists(path string) bool {
_, err := os.Stat(path)
if err == nil {
return true
}
if os.IsNotExist(err) {
return false
}
panic(err)
}
func NewMaildirproxy(srv string) *Maildirproxy {
normname := Formatservername(srv)
var d maildir.Dir = maildir.Dir(normname)
if !exists(normname) {
fmt.Printf("creating maildir (%s) \n", normname)
err := d.Create()
if err != nil {
log.Fatal(err)
}
}
m := &Maildirproxy {
Server: srv,
Mdir: d,
}
return m
}
func (p *Maildirproxy) PrivmsgHandler(s ircx.Sender, m *irc.Message) {
msghd := "From: " + m.Prefix.Name + " <"+ m.Prefix.User + "@" + m.Prefix.Host + ">\nTo: <listserv@localhost>\nSubject: " + m.Params[0] + "\nDate: " + time.Now().UTC().Format(time.RFC1123Z)
data := []byte(msghd + m.Trailing)
sum := md5.Sum(data)
msgid := "\nMessage-ID: " + hex.EncodeToString(sum[:])
msg := msghd + msgid + "\n\n" + m.Trailing + "\n"
dlv, err := p.Mdir.NewDelivery()
if err != nil {
log.Fatal(err)
}
_, err = dlv.Write([]byte(msg))
if err != nil {
log.Fatal(err)
}
err = dlv.Close()
if err != nil {
log.Fatal(err)
}
}