73 lines
1.3 KiB
Go
73 lines
1.3 KiB
Go
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package extension
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import (
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"encoding/xml"
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"github.com/genofire/yaja/messages"
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"github.com/genofire/yaja/server/utils"
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)
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type ExtensionDiscovery struct {
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IQExtension
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GetSpaces func() []string
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}
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func (ex *ExtensionDiscovery) Spaces() []string { return []string{} }
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func (ex *ExtensionDiscovery) Get(msg *messages.IQ, client *utils.Client) bool {
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log := client.Log.WithField("extension", "roster").WithField("id", msg.ID)
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// query encode
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type query struct {
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XMLName xml.Name `xml:"http://jabber.org/protocol/disco#info query"`
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Body []byte `xml:",innerxml"`
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}
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q := &query{}
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err := xml.Unmarshal(msg.Body, q)
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if err != nil {
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return false
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}
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// answer query
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q.Body = []byte{}
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// build answer body
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type feature struct {
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XMLName xml.Name `xml:"feature"`
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Var string `xml:"var,attr"`
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}
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for _, namespace := range ex.GetSpaces() {
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if namespace == "" {
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continue
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}
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itemByte, err := xml.Marshal(&feature{
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Var: namespace,
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})
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if err != nil {
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log.Warn(err)
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continue
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}
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q.Body = append(q.Body, itemByte...)
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}
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// decode query
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queryByte, err := xml.Marshal(q)
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if err != nil {
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log.Warn(err)
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return false
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}
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// replay
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client.Out.Encode(&messages.IQ{
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Type: messages.IQTypeResult,
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To: client.JID.String(),
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From: client.JID.Domain,
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ID: msg.ID,
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Body: queryByte,
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})
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log.Debug("send")
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return true
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}
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