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101 lines
2.1 KiB
101 lines
2.1 KiB
package xmpp // import "fluux.io/xmpp"
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import (
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"encoding/xml"
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"fmt"
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"github.com/processone/gox/xmpp/iot"
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)
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// info/query
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type ClientIQ struct {
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XMLName xml.Name `xml:"jabber:client iq"`
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Packet
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Payload IQPayload `xml:",omitempty"`
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RawXML string `xml:",innerxml"`
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// TODO We need to support detecting the IQ namespace / Query packet
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// Error clientError
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}
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type IQPayload interface {
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IsIQPayload()
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}
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// UnmarshalXML implements custom parsing for IQs
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func (iq *ClientIQ) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
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iq.XMLName = start.Name
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// Extract IQ attributes
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for _, attr := range start.Attr {
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if attr.Name.Local == "id" {
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iq.Id = attr.Value
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}
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if attr.Name.Local == "type" {
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iq.Type = attr.Value
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}
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if attr.Name.Local == "to" {
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iq.To = attr.Value
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}
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if attr.Name.Local == "from" {
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iq.From = attr.Value
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}
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if attr.Name.Local == "lang" {
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iq.Lang = attr.Value
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}
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}
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// decode inner elements
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for {
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t, err := d.Token()
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if err != nil {
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return err
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}
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var p IQPayload
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switch tt := t.(type) {
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case xml.StartElement:
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switch tt.Name.Space + " " + tt.Name.Local {
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case "urn:ietf:params:xml:ns:xmpp-bind bind":
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p = new(bindBind)
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case "urn:xmpp:iot:control set":
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p = new(iot.ControlSet)
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// TODO: Add a default Type that passes RawXML
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}
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if p != nil {
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err = d.DecodeElement(p, &tt)
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if err != nil {
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return err
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}
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iq.Payload = p
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p = nil
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}
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case xml.EndElement:
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if tt == start.End() {
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return nil
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}
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}
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}
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}
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// XMPPFormat returns the string representation of the XMPP packet.
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// TODO: Should I simply rely on xml.Marshal ?
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func (iq *ClientIQ) XMPPFormat() string {
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if iq.Payload != nil {
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var payload []byte
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var err error
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if payload, err = xml.Marshal(iq.Payload); err != nil {
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return fmt.Sprintf("<iq to='%s' type='%s' id='%s' xml:lang='en'>"+
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"</iq>",
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iq.To, iq.Type, iq.Id)
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}
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return fmt.Sprintf("<iq to='%s' type='%s' id='%s' xml:lang='en'>"+
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"%s</iq>",
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iq.To, iq.Type, iq.Id, payload)
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}
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return fmt.Sprintf("<iq to='%s' type='%s' id='%s' xml:lang='en'>"+
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"%s</iq>",
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iq.To, iq.Type, iq.Id,
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iq.RawXML)
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}
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