package stanza import "encoding/xml" // ============================================================================ // 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" } // 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 } // ============================================================================ // 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" } // 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 } // =========================================================================== // Resource binding // 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"` } func (b *Bind) Namespace() string { return b.XMLName.Space } // ============================================================================ // 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 // Session is obsolete in RFC 6121.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"` Optional bool // If element does exist, it mean we are not required to open session } func (s *StreamSession) Namespace() string { return s.XMLName.Space } func (s *StreamSession) IsOptional() bool { if s.XMLName.Local == "session" { return s.Optional } // If session element is missing, then we should not use session return true } // ============================================================================ // Registry init func init() { TypeRegistry.MapExtension(PKTIQ, xml.Name{"urn:ietf:params:xml:ns:xmpp-bind", "bind"}, Bind{}) TypeRegistry.MapExtension(PKTIQ, xml.Name{"urn:ietf:params:xml:ns:xmpp-session", "session"}, StreamSession{}) }