hptoad/main.go

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package main
import (
"fmt"
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"github.com/cxindex/xmpp"
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"io/ioutil"
"log"
"os/exec"
"regexp"
"runtime"
"strconv"
"strings"
"time"
)
const room = "ttyh@conference.jabber.ru"
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const name = обe"
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const me = "hypnotoad@xmpp.ru"
var (
ping time.Time
admin []string
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cs = make(chan xmpp.Stanza)
next xmpp.Stanza
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)
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
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start:
Conn, err := xmpp.Dial("xmpp.ru:5222", "hypnotoad", "xmpp.ru", "pass", "AllHailHypnotoad", nil)
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if err != nil {
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log.Println("Conn", err)
time.Sleep(5 * time.Second)
goto start
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}
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if err := Conn.SignalPresence("dnd", "is there some food in this world?", 12); err != nil {
log.Println("Signal", err)
time.Sleep(5 * time.Second)
goto start
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}
if err := Conn.SendPresence(room+"/"+name, ""); err != nil {
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log.Println("Presence", err)
time.Sleep(5 * time.Second)
goto start
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}
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go func(Conn *xmpp.Conn) {
for {
select {
case <-time.After(60 * time.Second):
Conn.SendIQ("jabber.ru", "set", "<keepalive xmlns='urn:xmpp:keepalive:0'> <interval>60</interval> </keepalive>")
if _, _, err = Conn.SendIQ("jabber.ru", "get", "<ping xmlns='urn:xmpp:ping'/>"); err != nil {
log.Println("KeepAlive err:", err)
return
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}
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ping = time.Now()
}
}
}(Conn)
go func(Conn *xmpp.Conn) {
for {
next, err := Conn.Next()
if err != nil {
log.Println("Next err:", err)
return
}
cs <- next
}
}(Conn)
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for {
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select {
case next = <-cs:
case <-time.After(65 * time.Second):
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log.Println(Conn.Close(), "\n\t", "closed after 65 seconds of inactivity")
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goto start
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}
switch t := next.Value.(type) {
case *xmpp.ClientPresence:
PresenceHandler(Conn, t)
case *xmpp.ClientMessage:
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if len(t.Delay.Stamp) == 0 && len(t.Subject) == 0 {
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log.Println(t)
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if GetNick(t.From) != name {
if t.Type == "groupchat" {
go MessageHandler(Conn, t)
} else if xmpp.RemoveResourceFromJid(strings.ToLower(t.From)) == me {
go SelfHandler(Conn, t)
}
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}
}
}
}
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log.Println(Conn.Close(), "\n\t", "wtf am I doing here?")
time.Sleep(5 * time.Second)
goto start
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}
func SelfHandler(Conn *xmpp.Conn, Msg *xmpp.ClientMessage) {
Msg.Body = strings.TrimSpace(Msg.Body)
Conn.Send(room, "groupchat", Msg.Body)
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if Msg.From == me+"/gsend" {
return
}
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Strip(&Msg.Body, &Msg.From)
if err := exec.Command("bash", "-c", GetCommand("!"+Msg.Body, Msg.From, "./func/")).Run(); err != nil {
log.Println(err)
return
}
}
func MessageHandler(Conn *xmpp.Conn, Msg *xmpp.ClientMessage) {
Msg.Body = strings.TrimSpace(Msg.Body)
f := func(s string, s2 *string) bool {
ok, _ := regexp.MatchString(s, *s2)
return ok
}
switch {
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case f("^\\!megakick", &Msg.Body):
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Strip(&Msg.Body, &Msg.From)
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s := (strings.Split(Msg.Body, "!megakick "))
if in(admin, Msg.From) {
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Conn.ModUse(room, s[1], "none", "")
} else {
Conn.Send(room, "groupchat", fmt.Sprintf("%s: GTFO", GetNick(Msg.From)))
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}
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case f("^\\!", &Msg.Body): //any external command
Strip(&Msg.Body, &Msg.From)
cmd := exec.Command("bash", "-c", GetCommand(Msg.Body, Msg.From, "./plugins/"))
stdout, _ := cmd.StdoutPipe()
stderr, _ := cmd.StderrPipe()
if err := cmd.Start(); err != nil {
log.Println(err)
return
}
out, _ := ioutil.ReadAll(stdout)
outerr, _ := ioutil.ReadAll(stderr)
if err := cmd.Wait(); err != nil {
if err.Error() == "exit status 127" {
Conn.Send(room, "groupchat", fmt.Sprintf("%s: WAT", GetNick(Msg.From)))
return
}
}
if len(outerr) != 0 && in(admin, Msg.From) {
Conn.Send(Msg.From, "chat", string(outerr))
}
Conn.Send(room, "groupchat", strings.TrimRight(string(out), " \n"))
case f("^"+name, &Msg.Body): //chat
Strip(&Msg.Body, &Msg.From)
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r, _ := regexp.Compile("^\\./chat/" + name + "[:,]")
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command := r.ReplaceAllString(GetCommand("!"+Msg.Body, Msg.From, "./chat/"), "./chat/answer")
out, err := exec.Command("bash", "-c", command).CombinedOutput()
if err != nil {
log.Println(err)
return
}
Conn.Send(room, "groupchat", strings.TrimRight(string(out), " \n"))
}
}
func PresenceHandler(Conn *xmpp.Conn, Prs *xmpp.ClientPresence) {
switch Prs.Item.Affiliation {
case "owner":
fallthrough
case "admin":
if Prs.Item.Role != "none" {
if !in(admin, Prs.From) {
admin = append(admin, Prs.From)
}
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}
default:
if in(admin, Prs.From) {
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admin = del(admin, Prs.From)
}
}
}
func GetCommand(body, from, dir string) string {
split := strings.SplitAfterN(body, " ", 2)
r, _ := regexp.Compile("^\\!")
command := r.ReplaceAllString(split[0], dir) + " '" + GetNick(from) + "' '" + strconv.FormatBool(in(admin, from)) + "'"
if len(split) == 2 {
command += " '" + split[1] + "'"
}
return command
}
func Strip(s, s2 *string) {
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r, _ := regexp.Compile("(`|\\$|\"|'|\\.\\.)") //strip
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*s = r.ReplaceAllString(*s, "")
*s2 = r.ReplaceAllString(*s2, "")
}
func GetNick(s string) string {
slash := strings.Index(s, "/")
if slash != -1 {
return s[slash+1:]
}
return s
}
func in(slice []string, value string) bool {
for _, v := range slice {
if v == value {
return true
}
}
return false
}
func pos(slice []string, value string) int {
for p, v := range slice {
if v == value {
return p
}
}
return -1
}
func del(slice []string, value string) []string {
if i := pos(slice, value); i >= 0 {
return append(slice[:i], slice[i+1:]...)
}
return slice
}