Add support of Remote Roster Manager (XEP-0321).

src/xmpp/remoteRosterManager.go

@@ -0,0 +1,21 @@
+package xmpp
+
+import (
+	"encoding/xml"
+)
+
+const (
+	NSRemoteRosterManager = "urn:xmpp:tmp:roster-management:0"
+
+  RemoteRosterManagerTypeRequest  = "request"
+  RemoteRosterManagerTypeAllowed  = "allowed"
+  RemoteRosterManagerTypeRejected = "rejected"
+)
+
+// XEP-0321: Remote Roster Manager
+
+type RemoteRosterManagerQuery struct {
+	XMLName xml.Name `xml:"urn:xmpp:tmp:roster-management:0 query"`
+	Reason  string   `xml:"reason,attr,omitempty"`
+	Type    string   `xml:"type,attr"`
+}

src/xmpp/roster.go

@@ -0,0 +1,26 @@
+package xmpp
+
+import (
+	"encoding/xml"
+)
+
+const (
+  NSRoster = "jabber:iq:roster"
+
+	RosterSubscriptionBoth   = "both"
+	RosterSubscriptionFrom   = "from"
+	RosterSubscriptionTo     = "to"
+	RosterSubscriptionRemove = "remove"
+)
+
+type RosterQuery struct {
+	XMLName xml.Name           `xml:"jabber:iq:roster query"`
+  Items   []RosterItem       `xml:"item"`
+}
+
+type RosterItem struct {
+  JID          string             `xml:"jid,attr"`
+  Name         string             `xml:"name,attr,omitempty"`
+  Subscription string             `xml:"subscription,attr"`
+  Groupes      []string           `xml:"group"`
+}