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|
package main
import (
"bufio"
"fmt"
"io"
"net"
"os"
"strings"
"time"
)
var server string = "localhost"
var port string = "6667"
var channel string = "#lms"
var nick string = "bab"
var onchan bool
var rouge string = "\033[1;31m"
var vert string = "\033[1;32m"
var jaune string = "\033[1;33m"
var cyan string = "\033[1;36m"
var normal string = "\033[0m"
var me string
var debug bool = false
type Ircconnection struct {
Server string
Port string
Nick string
Channel string
Bidule bool
Conn net.Conn
Receiver chan string
Emitter chan string
RawEmitter chan string
counter int
}
func (connection *Ircconnection) Connect() {
var err error
connection.Conn, err = net.Dial("tcp", server+":"+port)
// defer connection.Conn.Close()
fmt.Println(rouge + "Connection to " + server + ":" + port + normal)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
connection.Receiver = make(chan string)
connection.Emitter = make(chan string)
connection.RawEmitter = make(chan string)
fmt.Println(rouge + ">> NICK " + nick + normal)
io.WriteString(connection.Conn, "NICK "+nick+"\n")
fmt.Println(rouge + ">> USER " + nick + " 0.0.0.0 " + nick + " :" + nick + " bot" + normal)
io.WriteString(connection.Conn, "USER "+nick+" 0.0.0.0 "+nick+" :"+nick+" bot\n")
go io.Copy(connection.Conn, os.Stdin)
go connection.handleIncoming()
// go connection.handleCounter()
go connection.Join(channel)
go connection.Interact()
}
func (connection *Ircconnection) Disconnect() {
connection.Conn.Close()
}
func (connection Ircconnection) Join(channel string) {
time.Sleep(1000 * time.Millisecond)
fmt.Println(rouge + ">> JOIN " + channel + normal)
io.WriteString(connection.Conn, "JOIN "+channel+"\n")
}
func (connection Ircconnection) SendMsg(msg string) {
fmt.Println(rouge + ">> PRIVMSG " + connection.Channel + " :" + msg + normal)
//io.WriteString(connection.Conn,"PRIVMSG "+connection.Channel+" :"+msg+"\n")
connection.Emitter <- msg
}
func NewIrcconnection() Ircconnection {
return Ircconnection{Server: server, Port: port, Nick: nick, Channel: channel}
}
func (connection *Ircconnection) SetNick(newnick string) {
connection.Nick = newnick
fmt.Println(rouge + "Changement de pseudo pour : " + vert + newnick + normal)
io.WriteString(connection.Conn, "NICK :"+newnick+"\n")
}
func (connection *Ircconnection) handleIncoming() {
scanner := bufio.NewScanner(connection.Conn)
go func() {
for scanner.Scan() {
ln := scanner.Text()
fmt.Println(jaune + "<< " + ln + normal)
connection.Receiver <- ln
}
}()
}
func (connection *Ircconnection) Interact() {
for {
select {
case writer := <-connection.Emitter:
connection.counter+= 200
if debug {
fmt.Println(cyan + writer +" "+jaune+"[",connection.counter,"]"+ normal)
}
go io.WriteString(connection.Conn,"PRIVMSG "+channel+" :"+writer+"\n")
case writer := <-connection.RawEmitter:
fmt.Println(cyan + writer + normal)
go io.WriteString(connection.Conn,writer+"\n")
case reader := <-connection.Receiver:
//fmt.Println(cyan+reader+normal)
go parseIrc(connection, reader)
}
}
}
// Futur système anti-flood. tout pourri pour le moment.
func (connection *Ircconnection) handleCounter(){
for {
fmt.Println("On boucle : ",connection.counter)
time.Sleep(time.Duration(connection.counter+500) * time.Millisecond)
if (connection.counter > 0) {
connection.counter -= 10
} else {
connection.counter = 0
}
}
}
/////////////////// MAIN //////////////////////////////////////
func main() {
if len(os.Args) > 1 {
server = os.Args[1]
}
connection := NewIrcconnection()
connection.Connect()
in, err := net.Listen("tcp", ":4321")
defer in.Close()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
for {
inconn, err := in.Accept()
if err != nil {
fmt.Println(err)
continue
}
go handleIncoming(inconn, connection)
}
}
// ------------------
// Côté IRC
// ------------------
func parseIrc(connection *Ircconnection, msg string) {
var elements []string = strings.Fields(msg)
if debug {
for i, element := range elements {
fmt.Print(cyan+"[", i, "|"+normal+element+cyan+"] "+normal)
}
}
if len(elements) < 2 {
fmt.Println("Syntax IRC ERROR !!!!")
return
}
if elements[0] == "PING" {
connection.RawEmitter <- "PONG :"+strings.TrimPrefix(msg, "PING :")
}
switch elements[1] {
case "421":
fmt.Println("!! Commande non reconnue par le serveur !!")
case "433":
fmt.Println("le pseudo déconne")
nick = nick + "_"
io.WriteString(connection.Conn, "NICK "+nick+"\n")
case "JOIN":
if ":"+nick == stringCut(elements[0], "!") {
me = strings.TrimPrefix(elements[0], ":")
fmt.Println(me + " a rejoin le salon " + strings.Trim(elements[2], ":"))
onchan = true
connection.Emitter<- "Salut "+channel+" !"
}
case "PART":
fmt.Println("On est parti de " + strings.Trim(elements[2], ":"))
onchan = false
case "KICK":
if elements[3] == nick {
fmt.Println("Ptain on s'est fait kicker de " + elements[2] + " par " + elements[4] + " !")
io.WriteString(connection.Conn, "JOIN "+channel+"\n")
}
case ":Closing":
fmt.Println("\n\n\nHa et merde on est déconnecté !\n\n\n")
// Déconnecté
time.Sleep(10000 * time.Millisecond)
connection.Connect()
}
if len(elements) > 3 {
switch elements[3] {
case ":cycle" :
connection.Disconnect()
connection.Connect()
case ":heure" :
connection.Emitter<-"Paies-toi une montre vaut rien!"+msg
}
}
}
// ------------------
// Serveur en écoute
// ------------------
func incoming(connection Ircconnection) {
in, err := net.Listen("tcp", ":4321")
defer in.Close()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
for {
inconn, err := in.Accept()
if err != nil {
fmt.Println(err)
continue
}
go handleIncoming(inconn, connection)
}
}
func handleIncoming(in net.Conn, connection Ircconnection) {
fmt.Println(vert+"Incoming from ", in.RemoteAddr(), normal)
inbuf := bufio.NewReader(in)
for {
inmsg, err := inbuf.ReadString('\n')
if err != nil || !onchan || inmsg == "\n" {
break
}
fmt.Print(vert + "<<]] " + inmsg + normal)
connection.SendMsg(inmsg)
time.Sleep(500 * time.Millisecond)
}
}
// ------------
// Génériques
// ------------
func stringCut(incoming string, pattern string) string {
var results = strings.Split(incoming, pattern)
if len(results) < 1 {
return incoming
} else {
return results[0]
}
}
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