Move bind logic to new xmpp/iq.go

The bind request / response works with IQ stanzas. Because of the way
encoding and decoding is done with LimoX / the Go standard library it
makes sense to group IQ-based logic in a separat file since the struct
for IQs will be there.

1 files changed, 51 insertions, 0 deletions

diff --git a/xmpp/iq.go b/xmpp/iq.go
new file mode 100644
index 0000000..1c12c8c
--- /dev/null
+++ b/xmpp/iq.go
@@ -0,0 +1,51 @@
+package xmpp
+
+import (
+	"encoding/xml"
+	"fmt"
+	"math/rand"
+	"log"
+)
+
+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.tx.EncodeElement(inner, start)
+	if err != nil {
+		log.Println("Could not encode ressource binding!")
+	}
+}
+
+type iqResponse struct {
+	Jid string `xml:"urn:ietf:params:xml:ns:xmpp-bind bind>jid"`
+}
+
+func handleIqResponse(s *session, i iqResponse) {
+	if i.Jid != "" {
+		s.jid = i.Jid
+		s.sendPresence()
+		return
+	}
+}