mcchunkie/chats/irc.go

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package chats
import (
"crypto/tls"
"fmt"
"log"
"strings"
"gopkg.in/irc.v3"
"suah.dev/mcchunkie/plugins"
)
// IRCConnect connects to our irc server
func IRCConnect(store ChatStore, plugins *plugins.Plugins) error {
var ircServer, _ = store.Get("irc_server")
var ircPort, _ = store.Get("irc_port")
var ircNick, _ = store.Get("irc_nick")
var ircPass, _ = store.Get("irc_pass")
var ircRooms, _ = store.Get("irc_rooms")
//var toRE = regexp.MustCompile(`^:(\w+)\s`)
if ircServer != "" {
log.Printf("IRC: connecting to %q\n", ircServer)
dialStr := fmt.Sprintf("%s:%s", ircServer, ircPort)
conn, err := tls.Dial("tcp", dialStr, &tls.Config{
ServerName: ircServer,
})
if err != nil {
return err
}
config := irc.ClientConfig{
Nick: ircNick,
Pass: ircPass,
User: ircNick,
Name: "McChunkie",
Handler: irc.HandlerFunc(func(c *irc.Client, m *irc.Message) {
switch m.Command {
case "001":
for _, r := range strings.Split(ircRooms, ",") {
log.Printf("IRC: joining %q\n", r)
c.Write(fmt.Sprintf("JOIN %s", r))
}
case "PING":
server := m.Trailing()
log.Printf("IRC: pong %q\n", server)
c.Write(fmt.Sprintf("PONG %s", server))
case "INVITE":
room := m.Trailing()
log.Printf("IRC: joining %q\n", room)
c.Write(fmt.Sprintf("JOIN %s", room))
case "PRIVMSG":
msg := m.Trailing()
from := m.Prefix.Name
to := m.Params[0]
if from == c.CurrentNick() {
// Ignore messages from ourselves
return
}
resp := ""
for _, p := range *plugins {
if p.Match(c.CurrentNick(), msg) {
p.SetStore(store)
resp = p.Process(from, msg)
}
}
if !c.FromChannel(m) {
// in a private chat
to = from
}
if resp != "" {
log.Printf("IRC: sending: %q to %q\n", resp, to)
c.WriteMessage(&irc.Message{
Command: "PRIVMSG",
Params: []string{
to,
resp,
},
})
}
default:
log.Printf("IRC: unhandled - %q", m.String())
}
}),
}
client := irc.NewClient(conn, config)
err = client.Run()
if err != nil {
return err
}
}
return nil
}