Correctly open new streams after StartTLS and auth

session.go

@@ -73,9 +73,10 @@ func (s *Session) init(o Config) {
 }
 
 func (s *Session) reset(o Config) {
-	if s.err != nil {
+	if s.StreamId, s.err = s.transport.StartStream(); s.err != nil {
 		return
 	}
+
 	s.Features = s.open(o.parsedJid.Domain)
 }
 
@@ -108,7 +109,7 @@ func (s *Session) startTlsIfSupported(o Config) {
 			return
 		}
 
-		s.StreamId, s.err = s.transport.StartTLS()
+		s.err = s.transport.StartTLS()
 
 		if s.err == nil {
 			s.TlsEnabled = true

stanza/ns.go

@@ -6,6 +6,7 @@ const (
 	NSSASL      = "urn:ietf:params:xml:ns:xmpp-sasl"
 	NSBind      = "urn:ietf:params:xml:ns:xmpp-bind"
 	NSSession   = "urn:ietf:params:xml:ns:xmpp-session"
+	NSFraming   = "urn:ietf:params:xml:ns:xmpp-framing"
 	NSClient    = "jabber:client"
 	NSComponent = "jabber:component:accept"
 )

stanza/parser.go

@@ -24,8 +24,10 @@ func InitStream(p *xml.Decoder) (sessionID string, err error) {
 
 		switch elem := t.(type) {
 		case xml.StartElement:
-			if elem.Name.Space != NSStream || elem.Name.Local != "stream" {
+			isStreamOpen := elem.Name.Space == NSStream && elem.Name.Local == "stream"
-				err = errors.New("xmpp: expected <stream> but got <" + elem.Name.Local + "> in " + elem.Name.Space)
+			isFrameOpen := elem.Name.Space == NSFraming && elem.Name.Local == "open"
+			if !isStreamOpen && !isFrameOpen {
+				err = errors.New("xmpp: expected <stream> or <open> but got <" + elem.Name.Local + "> in " + elem.Name.Space)
 				return sessionID, err
 			}
 

transport.go

@@ -27,10 +27,11 @@ type TransportConfiguration struct {
 type Transport interface {
 	Connect() (string, error)
 	DoesStartTLS() bool
-	StartTLS() (string, error)
+	StartTLS() error
 
 	LogTraffic(logFile io.Writer)
 
+	StartStream() (string, error)
 	GetDecoder() *xml.Decoder
 	IsSecure() bool
 

websocket_transport.go

@@ -57,29 +57,24 @@ func (t *WebsocketTransport) Connect() (string, error) {
 	t.wsConn = wsConn
 	t.startReader()
 
-	handshake := fmt.Sprintf(`<open xmlns="urn:ietf:params:xml:ns:xmpp-framing" to="%s" version="1.0" />`, t.Config.Domain)
-	if _, err = t.Write([]byte(handshake)); err != nil {
-		t.cleanup(websocket.StatusBadGateway)
-		return "", NewConnError(err, false)
-	}
-
-	handshakeResponse := make([]byte, 2048)
-	if _, err = t.Read(handshakeResponse); err != nil {
-		t.cleanup(websocket.StatusBadGateway)
-
-		return "", NewConnError(err, false)
-	}
-
-	var openResponse = stanza.WebsocketOpen{}
-	if err = xml.Unmarshal(handshakeResponse, &openResponse); err != nil {
-		t.cleanup(websocket.StatusBadGateway)
-		return "", NewConnError(err, false)
-	}
-
 	t.decoder = xml.NewDecoder(t)
 	t.decoder.CharsetReader = t.Config.CharsetReader
 
-	return openResponse.Id, nil
+	return t.StartStream()
+}
+
+func (t WebsocketTransport) StartStream() (string, error) {
+	if _, err := fmt.Fprintf(t, `<open xmlns="urn:ietf:params:xml:ns:xmpp-framing" to="%s" version="1.0" />`, t.Config.Domain); err != nil {
+		t.cleanup(websocket.StatusBadGateway)
+		return "", NewConnError(err, true)
+	}
+
+	sessionID, err := stanza.InitStream(t.GetDecoder())
+	if err != nil {
+		t.Close()
+		return "", NewConnError(err, false)
+	}
+	return sessionID, nil
 }
 
 // startReader runs a go function that keeps reading from the websocket. This
@@ -108,14 +103,18 @@ func (t WebsocketTransport) startReader() {
 	}()
 }
 
-func (t WebsocketTransport) StartTLS() (string, error) {
+func (t WebsocketTransport) StartTLS() error {
-	return "", ErrTLSNotSupported
+	return ErrTLSNotSupported
 }
 
 func (t WebsocketTransport) DoesStartTLS() bool {
 	return false
 }
 
+func (t WebsocketTransport) GetDomain() string {
+	return t.Config.Domain
+}
+
 func (t WebsocketTransport) GetDecoder() *xml.Decoder {
 	return t.decoder
 }
@@ -152,20 +151,21 @@ func (t WebsocketTransport) Write(p []byte) (int, error) {
 
 func (t WebsocketTransport) Close() error {
 	t.Write([]byte("<close xmlns=\"urn:ietf:params:xml:ns:xmpp-framing\" />"))
-	return t.wsConn.Close(websocket.StatusGoingAway, "Done")
+	return t.cleanup(websocket.StatusGoingAway)
 }
 
 func (t *WebsocketTransport) LogTraffic(logFile io.Writer) {
 	t.logFile = logFile
 }
 
-func (t *WebsocketTransport) cleanup(code websocket.StatusCode) {
+func (t *WebsocketTransport) cleanup(code websocket.StatusCode) error {
+	var err error
 	if t.queue != nil {
 		close(t.queue)
 		t.queue = nil
 	}
 	if t.wsConn != nil {
-		t.wsConn.Close(websocket.StatusGoingAway, "Done")
+		err = t.wsConn.Close(websocket.StatusGoingAway, "Done")
 		t.wsConn = nil
 	}
 	if t.closeFunc != nil {
@@ -173,4 +173,5 @@ func (t *WebsocketTransport) cleanup(code websocket.StatusCode) {
 		t.closeFunc = nil
 		t.closeCtx = nil
 	}
+	return err
 }

xmpp_transport.go

@@ -37,20 +37,20 @@ func (t *XMPPTransport) Connect() (string, error) {
 	}
 
 	t.readWriter = newStreamLogger(t.conn, t.logFile)
-	return t.startStream()
+	t.decoder = xml.NewDecoder(t.readWriter)
+	t.decoder.CharsetReader = t.Config.CharsetReader
+	return t.StartStream()
 }
 
-func (t *XMPPTransport) startStream() (string, error) {
+func (t XMPPTransport) StartStream() (string, error) {
-	if _, err := fmt.Fprintf(t.readWriter, t.openStatement, t.Config.Domain); err != nil {
+	if _, err := fmt.Fprintf(t, t.openStatement, t.Config.Domain); err != nil {
-		t.conn.Close()
+		t.Close()
 		return "", NewConnError(err, true)
 	}
 
-	t.decoder = xml.NewDecoder(t.readWriter)
+	sessionID, err := stanza.InitStream(t.GetDecoder())
-	t.decoder.CharsetReader = t.Config.CharsetReader
-	sessionID, err := stanza.InitStream(t.decoder)
 	if err != nil {
-		t.conn.Close()
+		t.Close()
 		return "", NewConnError(err, false)
 	}
 	return sessionID, nil
@@ -60,6 +60,10 @@ func (t XMPPTransport) DoesStartTLS() bool {
 	return true
 }
 
+func (t XMPPTransport) GetDomain() string {
+	return t.Config.Domain
+}
+
 func (t XMPPTransport) GetDecoder() *xml.Decoder {
 	return t.decoder
 }
@@ -68,7 +72,7 @@ func (t XMPPTransport) IsSecure() bool {
 	return t.isSecure
 }
 
-func (t *XMPPTransport) StartTLS() (string, error) {
+func (t *XMPPTransport) StartTLS() error {
 	if t.Config.TLSConfig == nil {
 		t.TLSConfig = &tls.Config{}
 	} else {
@@ -81,7 +85,7 @@ func (t *XMPPTransport) StartTLS() (string, error) {
 	tlsConn := tls.Client(t.conn, t.TLSConfig)
 	// We convert existing connection to TLS
 	if err := tlsConn.Handshake(); err != nil {
-		return "", err
+		return err
 	}
 
 	t.conn = tlsConn
@@ -91,13 +95,12 @@ func (t *XMPPTransport) StartTLS() (string, error) {
 
 	if !t.TLSConfig.InsecureSkipVerify {
 		if err := tlsConn.VerifyHostname(t.Config.Domain); err != nil {
-			return "", err
+			return err
 		}
 	}
 
 	t.isSecure = true
-
+	return nil
-	return t.startStream()
 }
 
 func (t XMPPTransport) Ping() error {