Add params for presence and disco info

- Add Show, Status, Photo and Nick into presence stanza
 - Add Node attribute into DiscoInfo payload

src/xmpp/disco.go

@@ -6,8 +6,8 @@ import (
 )
 
 const (
-	nsDiscoInfo  = "http://jabber.org/protocol/disco#info"
+	NsDiscoInfo  = "http://jabber.org/protocol/disco#info"
-	nsDiscoItems = "http://jabber.org/protocol/disco#items"
+	NsDiscoItems = "http://jabber.org/protocol/disco#items"
 )
 
 // Service Discovery (XEP-0030) protocol. "Wraps" XMPP instance to provide a
@@ -19,6 +19,7 @@ type Disco struct {
 // Iq get/result payload for "info" requests.
 type DiscoInfo struct {
 	XMLName  xml.Name        `xml:"http://jabber.org/protocol/disco#info query"`
+	Node     string          `xml:"node,attr"`
 	Identity []DiscoIdentity `xml:"identity"`
 	Feature  []DiscoFeature  `xml:"feature"`
 }
@@ -38,6 +39,7 @@ type DiscoFeature struct {
 // Iq get/result payload for "items" requests.
 type DiscoItems struct {
 	XMLName xml.Name    `xml:"http://jabber.org/protocol/disco#items query"`
+	Node     string     `xml:"node,attr"`
 	Item    []DiscoItem `xml:"item"`
 }
 
@@ -49,13 +51,13 @@ type DiscoItem struct {
 }
 
 // Request information about the service identified by 'to'.
-func (disco *Disco) Info(to string, from string) (*DiscoInfo, error) {
+func (disco *Disco) Info(to, from string) (*DiscoInfo, error) {
 
 	if from == "" {
 		from = disco.XMPP.JID.Full()
 	}
 
-	req := &Iq{Id: UUID4(), Type: "get", To: to, From: from}
+	req := &Iq{Id: UUID4(), Type: IqTypeGet, To: to, From: from}
 	req.PayloadEncode(&DiscoInfo{})
 
 	resp, err := disco.XMPP.SendRecv(req)
@@ -72,14 +74,14 @@ func (disco *Disco) Info(to string, from string) (*DiscoInfo, error) {
 }
 
 // Request items in the service identified by 'to'.
-func (disco *Disco) Items(to string, from string) (*DiscoItems, error) {
+func (disco *Disco) Items(to, from, node string) (*DiscoItems, error) {
 
 	if from == "" {
 		from = disco.XMPP.JID.Full()
 	}
 
-	req := &Iq{Id: UUID4(), Type: "get", To: to, From: from}
+	req := &Iq{Id: UUID4(), Type: IqTypeGet, To: to, From: from}
-	req.PayloadEncode(&DiscoItems{})
+	req.PayloadEncode(&DiscoItems{Node: node})
 
 	resp, err := disco.XMPP.SendRecv(req)
 	if err != nil {
@@ -94,7 +96,7 @@ func (disco *Disco) Items(to string, from string) (*DiscoItems, error) {
 	return items, err
 }
 
-var discoNamespacePrefix = strings.Split(nsDiscoInfo, "#")[0]
+var discoNamespacePrefix = strings.Split(NsDiscoInfo, "#")[0]
 
 // Matcher instance to match <iq/> stanzas with a disco payload.
 var DiscoPayloadMatcher = MatcherFunc(

src/xmpp/stanza.go

@@ -6,6 +6,15 @@ import (
 	"fmt"
 )
 
+
+const (
+	IqTypeGet    = "get"
+	IqTypeSet    = "set"
+	IqTypeResult = "result"
+	IqTypeError  = "error"
+)
+
+
 // XMPP <iq/> stanza.
 type Iq struct {
 	XMLName xml.Name `xml:"iq"`
@@ -72,6 +81,10 @@ type Presence struct {
 	Type    string   `xml:"type,attr,omitempty"`
 	To      string   `xml:"to,attr,omitempty"`
 	From    string   `xml:"from,attr,omitempty"`
+	Show    string   `xml:"show"`		// away, chat, dnd, xa
+	Status  string   `xml:"status"` // sb []clientText
+	Photo   string   `xml:"photo,omitempty"`  // Avatar
+	Nick    string   `xml:"nick,omitempty"`   // Nickname
 }
 
 // XMPP <error/>. May occur as a top-level stanza or embedded in another