go-xmpp/cmd/xmpp_component/xmpp_component.go
2018-01-15 12:52:28 +01:00

87 lines
2 KiB
Go

package main
import (
"encoding/xml"
"fmt"
"fluux.io/xmpp"
)
func main() {
component := MyComponent{Name: "MQTT Component", Category: "gateway", Type: "mqtt"}
component.xmpp = &xmpp.Component{Host: "mqtt.localhost", Secret: "mypass"}
component.xmpp.Connect("localhost:8888")
for {
packet, err := component.xmpp.ReadPacket()
if err != nil {
fmt.Println("read error", err)
return
}
switch p := packet.(type) {
case xmpp.IQ:
switch inner := p.Payload[0].(type) {
case *xmpp.Node:
fmt.Printf("%q\n", inner)
data, err := xml.Marshal(inner)
if err != nil {
fmt.Println("cannot marshall payload")
}
fmt.Println("data=", string(data))
component.processIQ(p.Type, p.Id, p.From, inner)
default:
fmt.Println("default")
}
default:
fmt.Println("Packet unhandled packet:", packet)
}
}
}
const (
NSDiscoInfo = "http://jabber.org/protocol/disco#info"
)
type MyComponent struct {
Name string
// Typical categories and types: https://xmpp.org/registrar/disco-categories.html
Category string
Type string
xmpp *xmpp.Component
}
func (c MyComponent) processIQ(iqType, id, from string, inner *xmpp.Node) {
fmt.Println("Node:", inner.XMLName.Space, inner.XMLName.Local)
switch inner.XMLName.Space + " " + iqType {
case NSDiscoInfo + " get":
fmt.Println("Send Disco Info")
result := fmt.Sprintf(`<iq type='result'
from='%s'
to='%s'
id='%s'>
<query xmlns='http://jabber.org/protocol/disco#info'>
<identity
category='%s'
type='%s'
name='%s'/>
<feature var='http://jabber.org/protocol/disco#info'/>
<feature var='http://jabber.org/protocol/disco#items'/>
</query>
</iq>`, c.xmpp.Host, from, id, c.Category, c.Type, c.Name)
c.xmpp.Send(result)
default:
iqErr := fmt.Sprintf(`<iq type='error'
from='%s'
to='%s'
id='%s'>
<error type="cancel" code="501">
<feature-not-implemented xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/>
</error>
</iq>`, c.xmpp.Host, from, id)
c.xmpp.Send(iqErr)
}
}