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package xmpp
import (
"encoding/xml"
"fmt"
"log"
"math/rand"
)
// domainpart extracts the domain name from a JID / XMPP address. See
// https://datatracker.ietf.org/doc/html/rfc7622#section-3.2 for details.
func domainpart(jid string) string {
list := []rune(jid)
for i, v := range list {
if v == '/' {
list = list[:i]
break
}
}
for i, v := range list {
if v == '@' {
list = list[i+1:]
break
}
}
return string(list)
}
func username(jid string) string {
list := []rune(jid)
for i, v := range list {
if v == '@' {
return string(list[:i])
}
}
return ""
}
func hasBind(e []xml.Token) bool {
bind := xml.Name{`urn:ietf:params:xml:ns:xmpp-bind`, `bind`}
for _, v := range e {
switch s := v.(type) {
case xml.StartElement:
if s.Name == bind {
return true
}
}
}
return false
}
type bindRequest struct {
Bind struct {
Xmlns string `xml:"xmlns,attr"`
Resource struct {
Content string `xml:",chardata"`
} `xml:"resource"`
} `xml:"bind"`
}
func (s *session) sendBind() {
s.resourceReq = fmt.Sprintf("%016x", rand.Uint64())
start := xml.StartElement{
xml.Name{"jabber:client", "iq"},
[]xml.Attr{
xml.Attr{xml.Name{"", "id"}, s.resourceReq},
xml.Attr{xml.Name{"", "type"}, "set"},
},
}
inner := bindRequest{}
inner.Bind.Xmlns = "urn:ietf:params:xml:ns:xmpp-bind"
inner.Bind.Resource.Content = "limox-" + fmt.Sprintf("%08x", rand.Uint32())
err := s.ed.tx.EncodeElement(inner, start)
if err != nil {
log.Println("Could not encode ressource binding!")
}
}
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