go-xmpp/_example/example.go

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package main
import (
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"bufio"
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"crypto/tls"
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"flag"
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"fmt"
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"github.com/mattn/go-xmpp"
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"log"
"os"
"strings"
)
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var server = flag.String("server", "talk.google.com:443", "server")
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var username = flag.String("username", "", "username")
var password = flag.String("password", "", "password")
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var status = flag.String("status", "xa", "status")
var statusMessage = flag.String("status-msg", "I for one welcome our new codebot overlords.", "status message")
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var notls = flag.Bool("notls", false, "No TLS")
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var debug = flag.Bool("debug", false, "debug output")
var session = flag.Bool("session", false, "use server session")
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func serverName(host string) string {
return strings.Split(host, ":")[0]
}
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func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "usage: example [options]\n")
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
if *username == "" || *password == "" {
if *debug && *username == "" && *password == "" {
fmt.Fprintf(os.Stderr, "no username or password were given; attempting ANONYMOUS auth\n")
} else if *username != "" || *password != "" {
flag.Usage()
}
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}
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if !*notls {
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xmpp.DefaultConfig = tls.Config{
ServerName: serverName(*server),
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InsecureSkipVerify: false,
}
}
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var talk *xmpp.Client
var err error
options := xmpp.Options{Host: *server,
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User: *username,
Password: *password,
NoTLS: *notls,
Debug: *debug,
Session: *session,
Status: *status,
StatusMessage: *statusMessage,
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}
talk, err = options.NewClient()
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if err != nil {
log.Fatal(err)
}
go func() {
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for {
chat, err := talk.Recv()
if err != nil {
log.Fatal(err)
}
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switch v := chat.(type) {
case xmpp.Chat:
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fmt.Println(v.Remote, v.Text)
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case xmpp.Presence:
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fmt.Println(v.From, v.Show)
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}
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}
}()
for {
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in := bufio.NewReader(os.Stdin)
line, err := in.ReadString('\n')
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if err != nil {
continue
}
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line = strings.TrimRight(line, "\n")
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tokens := strings.SplitN(line, " ", 2)
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if len(tokens) == 2 {
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talk.Send(xmpp.Chat{Remote: tokens[0], Type: "chat", Text: tokens[1]})
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}
}
}