go-xmpp/stanza/sasl_auth.go

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package stanza
import "encoding/xml"
// ============================================================================
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// SASLAuth implements SASL Authentication initiation.
// Reference: https://tools.ietf.org/html/rfc6120#section-6.4.2
type SASLAuth struct {
XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl auth"`
Mechanism string `xml:"mechanism,attr"`
Value string `xml:",innerxml"`
}
// ============================================================================
// SASLSuccess implements SASL Success nonza, sent by server as a result of the
// SASL auth negotiation.
// Reference: https://tools.ietf.org/html/rfc6120#section-6.4.6
type SASLSuccess struct {
XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl success"`
}
func (SASLSuccess) Name() string {
return "sasl:success"
}
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// SASLSuccess decoding
type saslSuccessDecoder struct{}
var saslSuccess saslSuccessDecoder
func (saslSuccessDecoder) decode(p *xml.Decoder, se xml.StartElement) (SASLSuccess, error) {
var packet SASLSuccess
err := p.DecodeElement(&packet, &se)
return packet, err
}
// ============================================================================
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// SASLFailure
type SASLFailure struct {
XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl failure"`
Any xml.Name // error reason is a subelement
}
func (SASLFailure) Name() string {
return "sasl:failure"
}
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// SASLFailure decoding
type saslFailureDecoder struct{}
var saslFailure saslFailureDecoder
func (saslFailureDecoder) decode(p *xml.Decoder, se xml.StartElement) (SASLFailure, error) {
var packet SASLFailure
err := p.DecodeElement(&packet, &se)
return packet, err
}
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// ===========================================================================
// Resource binding
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// Bind is an IQ payload used during session negotiation to bind user resource
// to the current XMPP stream.
// Reference: https://tools.ietf.org/html/rfc6120#section-7
type Bind struct {
XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-bind bind"`
Resource string `xml:"resource,omitempty"`
Jid string `xml:"jid,omitempty"`
}
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func (b *Bind) Namespace() string {
return b.XMLName.Space
}
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// ============================================================================
// Session (Obsolete)
// Session is both a stream feature and an obsolete IQ Payload, used to bind a
// resource to the current XMPP stream on RFC 3121 only XMPP servers.
// Session is obsolete in RFC 6121. It is added to Fluux XMPP for compliance
// with RFC 3121.
// Reference: https://xmpp.org/rfcs/rfc3921.html#session
//
// This is the draft defining how to handle the transition:
// https://tools.ietf.org/html/draft-cridland-xmpp-session-01
type StreamSession struct {
XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-session session"`
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Optional bool // If element does exist, it mean we are not required to open session
}
func (s *StreamSession) Namespace() string {
return s.XMLName.Space
}
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func (s *StreamSession) IsOptional() bool {
if s.XMLName.Local == "session" {
return s.Optional
}
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// If session element is missing, then we should not use session
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return true
}
// ============================================================================
// Registry init
func init() {
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TypeRegistry.MapExtension(PKTIQ, xml.Name{"urn:ietf:params:xml:ns:xmpp-bind", "bind"}, Bind{})
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TypeRegistry.MapExtension(PKTIQ, xml.Name{"urn:ietf:params:xml:ns:xmpp-session", "session"}, StreamSession{})
}