Add 0.3.0 changelog

Tests for Component and code style fixes (#129 )
* Tests for Component and code style fixes
2019-11-28 17:39:10 +01:00 · 2019-11-28 17:15:15 +01:00 · 2019-11-22 15:07:40 +01:00 · 2019-11-08 12:07:55 +01:00 · 2019-11-04 16:48:48 +01:00 · 2019-11-04 16:36:45 +01:00
48 changed files with 2086 additions and 434 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,28 @@
+# Fluux XMPP Changelog
+
+## v0.3.0
+
+### Changes
+
+- Update requirements to go1.13
+- Add a websocket transport
+- Add Client.SendIQ method
+- Add IQ result routes to the Router
+- Fix SIGSEGV in xmpp_component (#126)
+- Add tests for Component and code style fixes
+
+## v0.2.0
+
+### Changes
+
+- XMPP Over Websocket support
+- Add support for getting IQ responses to client IQ queries (synchronously or asynchronously, passing an handler
+  function).
+- Implement X-OAUTH2 authentication method. You can read more details here:
+  [Understanding ejabberd OAuth Support & Roadmap: Step 4](https://blog.process-one.net/understanding-ejabberd-oauth-support-roadmap/)
+- Fix issues in the stanza builder when trying to add text inside and XMPP node.
+- Fix issues with unescaped % characters in XMPP payload.
+
+### Code migration guide
+
+TODO
--- a/2
+++ b/2
@@ -1,4 +1,4 @@
-FROM golang:1.12
+FROM golang:1.13
 WORKDIR /xmpp
 RUN curl -o codecov.sh -s https://codecov.io/bash && chmod +x codecov.sh
 COPY . ./
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ Here is an example code to configure a client to allow connecting to a server wi
 config := xmpp.Config{
 	Address:      "localhost:5222",
 	Jid:          "test@localhost",
-	Password:     "test",
-	TLSConfig:     tls.Config{InsecureSkipVerify: true},
+	Credential:   xmpp.Password("Test"),
+	TLSConfig:    tls.Config{InsecureSkipVerify: true},
 }
 ```

@@ -52,7 +52,9 @@ config := xmpp.Config{
  - [XEP-0355: Namespace Delegation](https://xmpp.org/extensions/xep-0355.html)
  - [XEP-0356: Privileged Entity](https://xmpp.org/extensions/xep-0356.html)

-## Stanza subpackage
+## Package overview
+
+### Stanza subpackage

 XMPP stanzas are basic and extensible XML elements. Stanzas (or sometimes special stanzas called 'nonzas') are used to 
 leverage the XMPP protocol features. During a session, a client (or a component) and a server will be exchanging stanzas
@@ -73,6 +75,14 @@ implement your own extensions directly in your own application.
 To learn more about the stanza package, you can read more in the
 [stanza package documentation](https://github.com/FluuxIO/go-xmpp/blob/master/stanza/README.md).

+### Router
+
+TODO
+
+### Getting IQ response from server
+
+TODO
+
 ## Examples

 We have several [examples](https://github.com/FluuxIO/go-xmpp/tree/master/_examples) to help you get started using
@@ -94,9 +104,11 @@ import (

 func main() {
 	config := xmpp.Config{
-		Address:      "localhost:5222",
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "localhost:5222",
+		},
 		Jid:          "test@localhost",
-		Password:     "test",
+	    Credential:   xmpp.Password("Test"),
 		StreamLogger: os.Stdout,
 		Insecure:     true,
 	}
--- a/_examples/delegation/delegation.go
+++ b/_examples/delegation/delegation.go
@@ -11,9 +11,12 @@ import (

 func main() {
 	opts := xmpp.ComponentOptions{
-		Domain:  "service.localhost",
-		Secret:  "mypass",
-		Address: "localhost:9999",
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "localhost:9999",
+			Domain:  "service.localhost",
+		},
+		Domain: "service.localhost",
+		Secret: "mypass",

 		// TODO: Move that part to a component discovery handler
 		Name:     "Test Component",
--- a/_examples/go.mod
+++ b/_examples/go.mod
@@ -1,6 +1,6 @@
 module gosrc.io/xmpp/_examples

-go 1.12
+go 1.13

 require (
 	github.com/processone/mpg123 v1.0.0
--- a/_examples/go.sum
+++ b/_examples/go.sum
@@ -1,7 +1,107 @@
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gotest.tools v2.1.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gotest.tools/gotestsum v0.3.5/go.mod h1:Mnf3e5FUzXbkCfynWBGOwLssY7gTQgCHObK9tMpAriY=
+mvdan.cc/sh v2.6.4+incompatible/go.mod h1:IeeQbZq+x2SUGBensq/jge5lLQbS3XT2ktyp3wrt4x8=
+nhooyr.io/websocket v1.6.5 h1:8TzpkldRfefda5JST+CnOH135bzVPz5uzfn/AF+gVKg=
+nhooyr.io/websocket v1.6.5/go.mod h1:F259lAzPRAH0htX2y3ehpJe09ih1aSHN7udWki1defY=
--- a/_examples/muc_bot/README.md
+++ b/_examples/muc_bot/README.md
@@ -0,0 +1,3 @@
+# XMPP Multi-User (MUC) chat bot example
+
+This code shows how to build a simple basic XMPP Multi-User chat bot using Fluux Go XMPP library.
--- a/_examples/xmpp_component/xmpp_component.go
+++ b/_examples/xmpp_component/xmpp_component.go
@@ -10,9 +10,12 @@ import (

 func main() {
 	opts := xmpp.ComponentOptions{
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "localhost:8888",
+			Domain:  "service2.localhost",
+		},
 		Domain:   "service2.localhost",
 		Secret:   "mypass",
-		Address:  "localhost:8888",
 		Name:     "Test Component",
 		Category: "gateway",
 		Type:     "service",
@@ -55,7 +58,7 @@ func handleMessage(_ xmpp.Sender, p stanza.Packet) {
 func discoInfo(c xmpp.Sender, p stanza.Packet, opts xmpp.ComponentOptions) {
 	// Type conversion & sanity checks
 	iq, ok := p.(stanza.IQ)
-	if !ok || iq.Type != "get" {
+	if !ok || iq.Type != stanza.IQTypeGet {
 		return
 	}

@@ -70,7 +73,7 @@ func discoInfo(c xmpp.Sender, p stanza.Packet, opts xmpp.ComponentOptions) {
 func discoItems(c xmpp.Sender, p stanza.Packet) {
 	// Type conversion & sanity checks
 	iq, ok := p.(stanza.IQ)
-	if !ok || iq.Type != "get" {
+	if !ok || iq.Type != stanza.IQTypeGet {
 		return
 	}

--- a/_examples/xmpp_echo/xmpp_echo.go
+++ b/_examples/xmpp_echo/xmpp_echo.go
@@ -15,9 +15,11 @@ import (

 func main() {
 	config := xmpp.Config{
-		Address:      "localhost:5222",
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "localhost:5222",
+		},
 		Jid:          "test@localhost",
-		Password:     "test",
+		Credential:   xmpp.Password("test"),
 		StreamLogger: os.Stdout,
 		Insecure:     true,
 		// TLSConfig: tls.Config{InsecureSkipVerify: true},
@@ -48,6 +50,3 @@ func handleMessage(s xmpp.Sender, p stanza.Packet) {
 	reply := stanza.Message{Attrs: stanza.Attrs{To: msg.From}, Body: msg.Body}
 	_ = s.Send(reply)
 }
-
-// TODO create default command line client to send message or to send an arbitrary XMPP sequence from a file,
-//   (using templates ?)
--- a/_examples/xmpp_jukebox/xmpp_jukebox.go
+++ b/_examples/xmpp_jukebox/xmpp_jukebox.go
@@ -32,9 +32,11 @@ func main() {

 	// 2. Prepare XMPP client
 	config := xmpp.Config{
-		Address:  *address,
-		Jid:      *jid,
-		Password: *password,
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: *address,
+		},
+		Jid:        *jid,
+		Credential: xmpp.Password(*password),
 		// StreamLogger: os.Stdout,
 		Insecure: true,
 	}
@@ -104,7 +106,7 @@ func handleIQ(s xmpp.Sender, p stanza.Packet, player *mpg123.Player) {

 func sendUserTune(s xmpp.Sender, artist string, title string) {
 	tune := stanza.Tune{Artist: artist, Title: title}
-	iq := stanza.NewIQ(stanza.Attrs{Type: "set", Id: "usertune-1", Lang: "en"})
+	iq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeSet, Id: "usertune-1", Lang: "en"})
 	payload := stanza.PubSub{Publish: &stanza.Publish{Node: "http://jabber.org/protocol/tune", Item: stanza.Item{Tune: &tune}}}
 	iq.Payload = &payload
 	_ = s.Send(iq)
--- a/_examples/xmpp_oauth2/xmpp_oauth2.go
+++ b/_examples/xmpp_oauth2/xmpp_oauth2.go
@@ -0,0 +1,50 @@
+/*
+xmpp_oauth2 is a demo client that connect on an XMPP server using OAuth2 and prints received messages.
+*/
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"gosrc.io/xmpp"
+	"gosrc.io/xmpp/stanza"
+)
+
+func main() {
+	config := xmpp.Config{
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "localhost:5222",
+			// TLSConfig: tls.Config{InsecureSkipVerify: true},
+		},
+		Jid:          "test@localhost",
+		Credential:   xmpp.OAuthToken("OdAIsBlY83SLBaqQoClAn7vrZSHxixT8"),
+		StreamLogger: os.Stdout,
+		// Insecure:     true,
+	}
+
+	router := xmpp.NewRouter()
+	router.HandleFunc("message", handleMessage)
+
+	client, err := xmpp.NewClient(config, router)
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+
+	// If you pass the client to a connection manager, it will handle the reconnect policy
+	// for you automatically.
+	cm := xmpp.NewStreamManager(client, nil)
+	log.Fatal(cm.Run())
+}
+
+func handleMessage(s xmpp.Sender, p stanza.Packet) {
+	msg, ok := p.(stanza.Message)
+	if !ok {
+		_, _ = fmt.Fprintf(os.Stdout, "Ignoring packet: %T\n", p)
+		return
+	}
+
+	_, _ = fmt.Fprintf(os.Stdout, "Body = %s - from = %s\n", msg.Body, msg.From)
+}
--- a/_examples/xmpp_websocket/xmpp_websocket.go
+++ b/_examples/xmpp_websocket/xmpp_websocket.go
@@ -0,0 +1,48 @@
+/*
+xmpp_websocket is a demo client that connect on an XMPP server using websocket and prints received messages.ß
+*/
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"gosrc.io/xmpp"
+	"gosrc.io/xmpp/stanza"
+)
+
+func main() {
+	config := xmpp.Config{
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: "wss://localhost:5443/ws",
+		},
+		Jid:          "test@localhost",
+		Credential:   xmpp.Password("test"),
+		StreamLogger: os.Stdout,
+	}
+
+	router := xmpp.NewRouter()
+	router.HandleFunc("message", handleMessage)
+
+	client, err := xmpp.NewClient(config, router)
+	if err != nil {
+		log.Fatalf("%+v", err)
+	}
+
+	// If you pass the client to a connection manager, it will handle the reconnect policy
+	// for you automatically.
+	cm := xmpp.NewStreamManager(client, nil)
+	log.Fatal(cm.Run())
+}
+
+func handleMessage(s xmpp.Sender, p stanza.Packet) {
+	msg, ok := p.(stanza.Message)
+	if !ok {
+		_, _ = fmt.Fprintf(os.Stdout, "Ignoring packet: %T\n", p)
+		return
+	}
+
+	_, _ = fmt.Fprintf(os.Stdout, "Body = %s - from = %s\n", msg.Body, msg.From)
+}
--- a/auth.go
+++ b/auth.go
@@ -10,29 +10,60 @@ import (
 	"gosrc.io/xmpp/stanza"
 )

-func authSASL(socket io.ReadWriter, decoder *xml.Decoder, f stanza.StreamFeatures, user string, password string) (err error) {
-	// TODO: Implement other type of SASL Authentication
-	havePlain := false
-	for _, m := range f.Mechanisms.Mechanism {
-		if m == "PLAIN" {
-			havePlain = true
+// Credential is used to pass the type of secret that will be used to connect to XMPP server.
+// It can be either a password or an OAuth 2 bearer token.
+type Credential struct {
+	secret     string
+	mechanisms []string
+}
+
+func Password(pwd string) Credential {
+	credential := Credential{
+		secret:     pwd,
+		mechanisms: []string{"PLAIN"},
+	}
+	return credential
+}
+
+func OAuthToken(token string) Credential {
+	credential := Credential{
+		secret:     token,
+		mechanisms: []string{"X-OAUTH2"},
+	}
+	return credential
+}
+
+// ============================================================================
+// Authentication flow for SASL mechanisms
+
+func authSASL(socket io.ReadWriter, decoder *xml.Decoder, f stanza.StreamFeatures, user string, credential Credential) (err error) {
+	var matchingMech string
+	for _, mech := range credential.mechanisms {
+		if isSupportedMech(mech, f.Mechanisms.Mechanism) {
+			matchingMech = mech
 			break
 		}
 	}
-	if !havePlain {
-		err := fmt.Errorf("PLAIN authentication is not supported by server: %v", f.Mechanisms.Mechanism)
+
+	switch matchingMech {
+	case "PLAIN", "X-OAUTH2":
+		// TODO: Implement other type of SASL mechanisms
+		return authPlain(socket, decoder, matchingMech, user, credential.secret)
+	default:
+		err := fmt.Errorf("no matching authentication (%v) supported by server: %v", credential.mechanisms, f.Mechanisms.Mechanism)
 		return NewConnError(err, true)
 	}
-
-	return authPlain(socket, decoder, user, password)
 }

 // Plain authentication: send base64-encoded \x00 user \x00 password
-func authPlain(socket io.ReadWriter, decoder *xml.Decoder, user string, password string) error {
-	raw := "\x00" + user + "\x00" + password
+func authPlain(socket io.ReadWriter, decoder *xml.Decoder, mech string, user string, secret string) error {
+	raw := "\x00" + user + "\x00" + secret
 	enc := make([]byte, base64.StdEncoding.EncodedLen(len(raw)))
 	base64.StdEncoding.Encode(enc, []byte(raw))
-	fmt.Fprintf(socket, "<auth xmlns='%s' mechanism='PLAIN'>%s</auth>", stanza.NSSASL, enc)
+	_, err := fmt.Fprintf(socket, "<auth xmlns='%s' mechanism='%s'>%s</auth>", stanza.NSSASL, mech, enc)
+	if err != nil {
+		return err
+	}

 	// Next message should be either success or failure.
 	val, err := stanza.NextPacket(decoder)
@@ -51,3 +82,13 @@ func authPlain(socket io.ReadWriter, decoder *xml.Decoder, user string, password
 	}
 	return err
 }
+
+// isSupportedMech returns true if the mechanism is supported in the provided list.
+func isSupportedMech(mech string, mechanisms []string) bool {
+	for _, m := range mechanisms {
+		if mech == m {
+			return true
+		}
+	}
+	return false
+}
--- a/cert_checker.go
+++ b/cert_checker.go
@@ -51,7 +51,7 @@ func (c *ServerCheck) Check() error {
 	decoder := xml.NewDecoder(tcpconn)

 	// Send stream open tag
-	if _, err = fmt.Fprintf(tcpconn, xmppStreamOpen, c.domain, stanza.NSClient, stanza.NSStream); err != nil {
+	if _, err = fmt.Fprintf(tcpconn, clientStreamOpen, c.domain); err != nil {
 		return err
 	}

@@ -79,7 +79,10 @@ func (c *ServerCheck) Check() error {
 	}

 	if _, ok := f.DoesStartTLS(); ok {
-		fmt.Fprintf(tcpconn, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>")
+		_, err = fmt.Fprintf(tcpconn, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>")
+		if err != nil {
+			return err
+		}

 		var k stanza.TLSProceed
 		if err = decoder.DecodeElement(&k, nil); err != nil {
--- a/client.go
+++ b/client.go
@@ -1,6 +1,7 @@
 package xmpp

 import (
+	"context"
 	"encoding/xml"
 	"errors"
 	"fmt"
@@ -24,6 +25,7 @@ const (
 	StateConnected
 	StateSessionEstablished
 	StateStreamError
+	StatePermanentError
 )

 // Event is a structure use to convey event changes related to client state. This
@@ -48,7 +50,7 @@ type SMState struct {

 // EventHandler is use to pass events about state of the connection to
 // client implementation.
-type EventHandler func(Event)
+type EventHandler func(Event) error

 type EventManager struct {
 	// Store current state
@@ -82,15 +84,16 @@ func (em EventManager) streamError(error, desc string) {
 // Client
 // ============================================================================

+var ErrCanOnlySendGetOrSetIq = errors.New("SendIQ can only send get and set IQ stanzas")
+
 // Client is the main structure used to connect as a client on an XMPP
 // server.
 type Client struct {
 	// Store user defined options and states
 	config Config
 	// Session gather data that can be accessed by users of this library
-	Session *Session
-	// TCP level connection / can be replaced by a TLS session after starttls
-	conn net.Conn
+	Session   *Session
+	transport Transport
 	// Router is used to dispatch packets
 	router *Router
 	// Track and broadcast connection state
@@ -111,8 +114,8 @@ func NewClient(config Config, r *Router) (c *Client, err error) {
 		return nil, NewConnError(err, true)
 	}

-	if config.Password == "" {
-		err = errors.New("missing password")
+	if config.Credential.secret == "" {
+		err = errors.New("missing credential")
 		return nil, NewConnError(err, true)
 	}

@@ -134,8 +137,6 @@ func NewClient(config Config, r *Router) (c *Client, err error) {
 			}
 		}
 	}
-	config.Address = ensurePort(config.Address, 5222)
-
 	c = new(Client)
 	c.config = config
 	c.router = r
@@ -144,6 +145,15 @@ func NewClient(config Config, r *Router) (c *Client, err error) {
 		c.config.ConnectTimeout = 15 // 15 second as default
 	}

+	if config.TransportConfiguration.Domain == "" {
+		config.TransportConfiguration.Domain = config.parsedJid.Domain
+	}
+	c.transport = NewClientTransport(config.TransportConfiguration)
+
+	if config.StreamLogger != nil {
+		c.transport.LogTraffic(config.StreamLogger)
+	}
+
 	return
 }

@@ -159,40 +169,43 @@ func (c *Client) Connect() error {
 func (c *Client) Resume(state SMState) error {
 	var err error

-	c.conn, err = net.DialTimeout("tcp", c.config.Address, time.Duration(c.config.ConnectTimeout)*time.Second)
+	streamId, err := c.transport.Connect()
 	if err != nil {
 		return err
 	}
 	c.updateState(StateConnected)

 	// Client is ok, we now open XMPP session
-	if c.conn, c.Session, err = NewSession(c.conn, c.config, state); err != nil {
+	if c.Session, err = NewSession(c.transport, c.config, state); err != nil {
+		c.transport.Close()
 		return err
 	}
+	c.Session.StreamId = streamId
 	c.updateState(StateSessionEstablished)

 	// Start the keepalive go routine
 	keepaliveQuit := make(chan struct{})
-	go keepalive(c.conn, keepaliveQuit)
+	go keepalive(c.transport, keepaliveQuit)
 	// Start the receiver go routine
 	state = c.Session.SMState
-	go c.recv(state, keepaliveQuit)
+	// Leaving this channel here for later. Not used atm. We should return this instead of an error because right
+	// now the returned error is lost in limbo.
+	errChan := make(chan error)
+	go c.recv(state, keepaliveQuit, errChan)

 	// We're connected and can now receive and send messages.
 	//fmt.Fprintf(client.conn, "<presence xml:lang='en'><show>%s</show><status>%s</status></presence>", "chat", "Online")
 	// TODO: Do we always want to send initial presence automatically ?
 	// Do we need an option to avoid that or do we rely on client to send the presence itself ?
-	fmt.Fprintf(c.Session.streamLogger, "<presence/>")
+	_, err = fmt.Fprintf(c.transport, "<presence/>")

 	return err
 }

 func (c *Client) Disconnect() {
-	_ = c.SendRaw("</stream:stream>")
 	// TODO: Add a way to wait for stream close acknowledgement from the server for clean disconnect
-	conn := c.conn
-	if conn != nil {
-		_ = conn.Close()
+	if c.transport != nil {
+		_ = c.transport.Close()
 	}
 }

@@ -202,7 +215,7 @@ func (c *Client) SetHandler(handler EventHandler) {

 // Send marshals XMPP stanza and sends it to the server.
 func (c *Client) Send(packet stanza.Packet) error {
-	conn := c.conn
+	conn := c.transport
 	if conn == nil {
 		return errors.New("client is not connected")
 	}
@@ -212,7 +225,26 @@ func (c *Client) Send(packet stanza.Packet) error {
 		return errors.New("cannot marshal packet " + err.Error())
 	}

-	return c.sendWithWriter(c.Session.streamLogger, data)
+	return c.sendWithWriter(c.transport, data)
+}
+
+// SendIQ sends an IQ set or get stanza to the server. If a result is received
+// the provided handler function will automatically be called.
+//
+// The provided context should have a timeout to prevent the client from waiting
+// forever for an IQ result. For example:
+//
+//   ctx, _ := context.WithTimeout(context.Background(), 30 * time.Second)
+//   result := <- client.SendIQ(ctx, iq)
+//
+func (c *Client) SendIQ(ctx context.Context, iq stanza.IQ) (chan stanza.IQ, error) {
+	if iq.Attrs.Type != stanza.IQTypeSet && iq.Attrs.Type != stanza.IQTypeGet {
+		return nil, ErrCanOnlySendGetOrSetIq
+	}
+	if err := c.Send(iq); err != nil {
+		return nil, err
+	}
+	return c.router.NewIQResultRoute(ctx, iq.Attrs.Id), nil
 }

 // SendRaw sends an XMPP stanza as a string to the server.
@@ -220,12 +252,12 @@ func (c *Client) Send(packet stanza.Packet) error {
 // disconnect the client. It is up to the user of this method to
 // carefully craft the XML content to produce valid XMPP.
 func (c *Client) SendRaw(packet string) error {
-	conn := c.conn
+	conn := c.transport
 	if conn == nil {
 		return errors.New("client is not connected")
 	}

-	return c.sendWithWriter(c.Session.streamLogger, []byte(packet))
+	return c.sendWithWriter(c.transport, []byte(packet))
 }

 func (c *Client) sendWithWriter(writer io.Writer, packet []byte) error {
@@ -238,13 +270,14 @@ func (c *Client) sendWithWriter(writer io.Writer, packet []byte) error {
 // Go routines

 // Loop: Receive data from server
-func (c *Client) recv(state SMState, keepaliveQuit chan<- struct{}) (err error) {
+func (c *Client) recv(state SMState, keepaliveQuit chan<- struct{}, errChan chan<- error) {
 	for {
-		val, err := stanza.NextPacket(c.Session.decoder)
+		val, err := stanza.NextPacket(c.transport.GetDecoder())
 		if err != nil {
+			errChan <- err
 			close(keepaliveQuit)
 			c.disconnected(state)
-			return err
+			return
 		}

 		// Handle stream errors
@@ -253,35 +286,42 @@ func (c *Client) recv(state SMState, keepaliveQuit chan<- struct{}) (err error)
 			c.router.route(c, val)
 			close(keepaliveQuit)
 			c.streamError(packet.Error.Local, packet.Text)
-			return errors.New("stream error: " + packet.Error.Local)
+			errChan <- errors.New("stream error: " + packet.Error.Local)
+			return
 		// Process Stream management nonzas
 		case stanza.SMRequest:
 			answer := stanza.SMAnswer{XMLName: xml.Name{
 				Space: stanza.NSStreamManagement,
 				Local: "a",
 			}, H: state.Inbound}
-			c.Send(answer)
+			err = c.Send(answer)
+			if err != nil {
+				errChan <- err
+				return
+			}
 		default:
 			state.Inbound++
 		}
-
-		c.router.route(c, val)
+		// Do normal route processing in a go-routine so we can immediately
+		// start receiving other stanzas. This also allows route handlers to
+		// send and receive more stanzas.
+		go c.router.route(c, val)
 	}
 }

 // Loop: send whitespace keepalive to server
 // This is use to keep the connection open, but also to detect connection loss
 // and trigger proper client connection shutdown.
-func keepalive(conn net.Conn, quit <-chan struct{}) {
+func keepalive(transport Transport, quit <-chan struct{}) {
 	// TODO: Make keepalive interval configurable
 	ticker := time.NewTicker(30 * time.Second)
 	for {
 		select {
 		case <-ticker.C:
-			if n, err := fmt.Fprintf(conn, "\n"); err != nil || n != 1 {
-				// When keep alive fails, we force close the connection. In all cases, the recv will also fail.
+			if err := transport.Ping(); err != nil {
+				// When keepalive fails, we force close the transport. In all cases, the recv will also fail.
 				ticker.Stop()
-				_ = conn.Close()
+				_ = transport.Close()
 				return
 			}
 		case <-quit:
--- a/client_test.go
+++ b/client_test.go
@@ -25,7 +25,13 @@ func TestClient_Connect(t *testing.T) {
 	mock.Start(t, testXMPPAddress, handlerConnectSuccess)

 	// Test / Check result
-	config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test", Insecure: true}
+	config := Config{
+		TransportConfiguration: TransportConfiguration{
+			Address: testXMPPAddress,
+		},
+		Jid:        "test@localhost",
+		Credential: Password("test"),
+		Insecure:   true}

 	var client *Client
 	var err error
@@ -47,7 +53,13 @@ func TestClient_NoInsecure(t *testing.T) {
 	mock.Start(t, testXMPPAddress, handlerAbortTLS)

 	// Test / Check result
-	config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test"}
+	config := Config{
+		TransportConfiguration: TransportConfiguration{
+			Address: testXMPPAddress,
+		},
+		Jid:        "test@localhost",
+		Credential: Password("test"),
+	}

 	var client *Client
 	var err error
@@ -71,7 +83,13 @@ func TestClient_FeaturesTracking(t *testing.T) {
 	mock.Start(t, testXMPPAddress, handlerAbortTLS)

 	// Test / Check result
-	config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test"}
+	config := Config{
+		TransportConfiguration: TransportConfiguration{
+			Address: testXMPPAddress,
+		},
+		Jid:        "test@localhost",
+		Credential: Password("test"),
+	}

 	var client *Client
 	var err error
@@ -94,7 +112,14 @@ func TestClient_RFC3921Session(t *testing.T) {
 	mock.Start(t, testXMPPAddress, handlerConnectWithSession)

 	// Test / Check result
-	config := Config{Address: testXMPPAddress, Jid: "test@localhost", Password: "test", Insecure: true}
+	config := Config{
+		TransportConfiguration: TransportConfiguration{
+			Address: testXMPPAddress,
+		},
+		Jid:        "test@localhost",
+		Credential: Password("test"),
+		Insecure:   true,
+	}

 	var client *Client
 	var err error
--- a/cmd/fluuxmpp/send.go
+++ b/cmd/fluuxmpp/send.go
@@ -32,9 +32,11 @@ func sendxmpp(cmd *cobra.Command, args []string) {

 	var err error
 	client, err := xmpp.NewClient(xmpp.Config{
-		Jid:      viper.GetString("jid"),
-		Address:  viper.GetString("addr"),
-		Password: viper.GetString("password"),
+		TransportConfiguration: xmpp.TransportConfiguration{
+			Address: viper.GetString("addr"),
+		},
+		Jid:        viper.GetString("jid"),
+		Credential: xmpp.Password(viper.GetString("password")),
 	}, xmpp.NewRouter())

 	if err != nil {
--- a/cmd/go.mod
+++ b/cmd/go.mod
@@ -1,6 +1,6 @@
 module gosrc.io/xmpp/cmd

-go 1.12
+go 1.13

 require (
 	github.com/bdlm/log v0.1.19
--- a/cmd/go.sum
+++ b/cmd/go.sum
@@ -2,6 +2,7 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/agnivade/wasmbrowsertest v0.3.1/go.mod h1:zQt6ZTdl338xxRaMW395qccVE2eQm0SjC/SDz0mPWQI=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
@@ -12,6 +13,12 @@ github.com/bdlm/std v0.0.0-20180922040903-fd3b596111c7/go.mod h1:E4vIYZDcEPVbE/D
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/chromedp/cdproto v0.0.0-20190614062957-d6d2f92b486d/go.mod h1:S8mB5wY3vV+vRIzf39xDXsw3XKYewW9X6rW2aEmkrSw=
+github.com/chromedp/cdproto v0.0.0-20190621002710-8cbd498dd7a0/go.mod h1:S8mB5wY3vV+vRIzf39xDXsw3XKYewW9X6rW2aEmkrSw=
+github.com/chromedp/cdproto v0.0.0-20190812224334-39ef923dcb8d/go.mod h1:0YChpVzuLJC5CPr+x3xkHN6Z8KOSXjNbL7qV8Wc4GW0=
+github.com/chromedp/cdproto v0.0.0-20190926234355-1b4886c6fad6/go.mod h1:0YChpVzuLJC5CPr+x3xkHN6Z8KOSXjNbL7qV8Wc4GW0=
+github.com/chromedp/chromedp v0.3.1-0.20190619195644-fd957a4d2901/go.mod h1:mJdvfrVn594N9tfiPecUidF6W5jPRKHymqHfzbobPsM=
+github.com/chromedp/chromedp v0.4.0/go.mod h1:DC3QUn4mJ24dwjcaGQLoZrhm4X/uPHZ6spDbS2uFhm4=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -20,17 +27,26 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
+github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
+github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/go-interpreter/wagon v0.5.1-0.20190713202023-55a163980b6c/go.mod h1:5+b/MBYkclRZngKF5s6qrgWxSLgE9F5dFdO1hAueZLc=
+github.com/go-interpreter/wagon v0.6.0/go.mod h1:5+b/MBYkclRZngKF5s6qrgWxSLgE9F5dFdO1hAueZLc=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
+github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -38,23 +54,31 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0 h1:crn/baboCvb5fXaQ0IJ1SGTsTVrWpDsCWC8EGETZijY=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/pprof v0.0.0-20190908185732-236ed259b199/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
+github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/knq/sysutil v0.0.0-20181215143952-f05b59f0f307/go.mod h1:BjPj+aVjl9FW/cCGiF3nGh5v+9Gd3VCgBQbod/GlMaQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -63,15 +87,29 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDePerRcY=
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+github.com/mailru/easyjson v0.0.0-20190403194419-1ea4449da983/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
+github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
+github.com/mailru/easyjson v0.0.0-20190620125010-da37f6c1e481/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
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@@ -85,7 +123,9 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
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@@ -96,65 +136,97 @@ github.com/spf13/cobra v0.0.5 h1:f0B+LkLX6DtmRH1isoNA9VTtNUK9K8xYd28JNNfOv/s=
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--- a/component.go
+++ b/component.go
@@ -1,21 +1,19 @@
 package xmpp

 import (
+	"context"
 	"crypto/sha1"
 	"encoding/hex"
 	"encoding/xml"
 	"errors"
 	"fmt"
-	"io"
-	"net"
-	"time"
-
 	"gosrc.io/xmpp/stanza"
+	"io"
 )

-const componentStreamOpen = "<?xml version='1.0'?><stream:stream to='%s' xmlns='%s' xmlns:stream='%s'>"
-
 type ComponentOptions struct {
+	TransportConfiguration
+
 	// =================================
 	// Component Connection Info

@@ -23,9 +21,6 @@ type ComponentOptions struct {
 	Domain string
 	// Secret is the "password" used by the XMPP server to secure component access
 	Secret string
-	// Address is the XMPP Host and port to connect to. Host is of
-	// the form 'serverhost:port' i.e "localhost:8888"
-	Address string

 	// =================================
 	// Component discovery
@@ -50,12 +45,10 @@ type Component struct {
 	ComponentOptions
 	router *Router

-	// TCP level connection
-	conn net.Conn
+	transport Transport

 	// read / write
 	socketProxy io.ReadWriter // TODO
-	decoder     *xml.Decoder
 }

 func NewComponent(opts ComponentOptions, r *Router) (*Component, error) {
@@ -69,39 +62,38 @@ func (c *Component) Connect() error {
 	var state SMState
 	return c.Resume(state)
 }
+
 func (c *Component) Resume(sm SMState) error {
-	var conn net.Conn
 	var err error
-	if conn, err = net.DialTimeout("tcp", c.Address, time.Duration(5)*time.Second); err != nil {
-		return err
+	var streamId string
+	if c.ComponentOptions.TransportConfiguration.Domain == "" {
+		c.ComponentOptions.TransportConfiguration.Domain = c.ComponentOptions.Domain
+	}
+	c.transport, err = NewComponentTransport(c.ComponentOptions.TransportConfiguration)
+	if err != nil {
+		c.updateState(StatePermanentError)
+
+		return NewConnError(err, true)
+	}
+
+	if streamId, err = c.transport.Connect(); err != nil {
+		c.updateState(StatePermanentError)
+
+		return NewConnError(err, true)
 	}
-	c.conn = conn
 	c.updateState(StateConnected)

-	// 1. Send stream open tag
-	if _, err := fmt.Fprintf(conn, componentStreamOpen, c.Domain, stanza.NSComponent, stanza.NSStream); err != nil {
+	// Authentication
+	if _, err := fmt.Fprintf(c.transport, "<handshake>%s</handshake>", c.handshake(streamId)); err != nil {
 		c.updateState(StateStreamError)
-		return NewConnError(errors.New("cannot send stream open "+err.Error()), false)
-	}
-	c.decoder = xml.NewDecoder(conn)

-	// 2. Initialize xml decoder and extract streamID from reply
-	streamId, err := stanza.InitStream(c.decoder)
-	if err != nil {
-		c.updateState(StateStreamError)
-		return NewConnError(errors.New("cannot init decoder "+err.Error()), false)
-	}
-
-	// 3. Authentication
-	if _, err := fmt.Fprintf(conn, "<handshake>%s</handshake>", c.handshake(streamId)); err != nil {
-		c.updateState(StateStreamError)
 		return NewConnError(errors.New("cannot send handshake "+err.Error()), false)
 	}

-	// 4. Check server response for authentication
-	val, err := stanza.NextPacket(c.decoder)
+	// Check server response for authentication
+	val, err := stanza.NextPacket(c.transport.GetDecoder())
 	if err != nil {
-		c.updateState(StateDisconnected)
+		c.updateState(StatePermanentError)
 		return NewConnError(err, true)
 	}

@@ -112,20 +104,22 @@ func (c *Component) Resume(sm SMState) error {
 	case stanza.Handshake:
 		// Start the receiver go routine
 		c.updateState(StateSessionEstablished)
-		go c.recv()
-		return nil
+		// Leaving this channel here for later. Not used atm. We should return this instead of an error because right
+		// now the returned error is lost in limbo.
+		errChan := make(chan error)
+		go c.recv(errChan) // Sends to errChan
+		return err         // Should be empty at this point
 	default:
-		c.updateState(StateStreamError)
+		c.updateState(StatePermanentError)
 		return NewConnError(errors.New("expecting handshake result, got "+v.Name()), true)
 	}
+	return err
 }

 func (c *Component) Disconnect() {
-	_ = c.SendRaw("</stream:stream>")
 	// TODO: Add a way to wait for stream close acknowledgement from the server for clean disconnect
-	conn := c.conn
-	if conn != nil {
-		_ = conn.Close()
+	if c.transport != nil {
+		_ = c.transport.Close()
 	}
 }

@@ -134,20 +128,22 @@ func (c *Component) SetHandler(handler EventHandler) {
 }

 // Receiver Go routine receiver
-func (c *Component) recv() (err error) {
+func (c *Component) recv(errChan chan<- error) {
+
 	for {
-		val, err := stanza.NextPacket(c.decoder)
+		val, err := stanza.NextPacket(c.transport.GetDecoder())
 		if err != nil {
 			c.updateState(StateDisconnected)
-			return err
+			errChan <- err
+			return
 		}
-
 		// Handle stream errors
 		switch p := val.(type) {
 		case stanza.StreamError:
 			c.router.route(c, val)
 			c.streamError(p.Error.Local, p.Text)
-			return errors.New("stream error: " + p.Error.Local)
+			errChan <- errors.New("stream error: " + p.Error.Local)
+			return
 		}
 		c.router.route(c, val)
 	}
@@ -155,8 +151,8 @@ func (c *Component) recv() (err error) {

 // Send marshalls XMPP stanza and sends it to the server.
 func (c *Component) Send(packet stanza.Packet) error {
-	conn := c.conn
-	if conn == nil {
+	transport := c.transport
+	if transport == nil {
 		return errors.New("component is not connected")
 	}

@@ -165,24 +161,43 @@ func (c *Component) Send(packet stanza.Packet) error {
 		return errors.New("cannot marshal packet " + err.Error())
 	}

-	if _, err := fmt.Fprintf(conn, string(data)); err != nil {
+	if _, err := fmt.Fprintf(transport, string(data)); err != nil {
 		return errors.New("cannot send packet " + err.Error())
 	}
 	return nil
 }

+// SendIQ sends an IQ set or get stanza to the server. If a result is received
+// the provided handler function will automatically be called.
+//
+// The provided context should have a timeout to prevent the client from waiting
+// forever for an IQ result. For example:
+//
+//   ctx, _ := context.WithTimeout(context.Background(), 30 * time.Second)
+//   result := <- client.SendIQ(ctx, iq)
+//
+func (c *Component) SendIQ(ctx context.Context, iq stanza.IQ) (chan stanza.IQ, error) {
+	if iq.Attrs.Type != stanza.IQTypeSet && iq.Attrs.Type != stanza.IQTypeGet {
+		return nil, ErrCanOnlySendGetOrSetIq
+	}
+	if err := c.Send(iq); err != nil {
+		return nil, err
+	}
+	return c.router.NewIQResultRoute(ctx, iq.Attrs.Id), nil
+}
+
 // SendRaw sends an XMPP stanza as a string to the server.
 // It can be invalid XML or XMPP content. In that case, the server will
 // disconnect the component. It is up to the user of this method to
 // carefully craft the XML content to produce valid XMPP.
 func (c *Component) SendRaw(packet string) error {
-	conn := c.conn
-	if conn == nil {
+	transport := c.transport
+	if transport == nil {
 		return errors.New("component is not connected")
 	}

 	var err error
-	_, err = fmt.Fprintf(c.conn, packet)
+	_, err = fmt.Fprintf(transport, packet)
 	return err
 }

--- a/component_test.go
+++ b/component_test.go
@@ -1,7 +1,33 @@
 package xmpp

 import (
+	"context"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"gosrc.io/xmpp/stanza"
+	"net"
+	"strings"
 	"testing"
+	"time"
+)
+
+// Tests are ran in parallel, so each test creating a server must use a different port so we do not get any
+// conflict. Using iota for this should do the trick.
+const (
+	testComponentDomain  = "localhost"
+	defaultServerName    = "testServer"
+	defaultStreamID      = "91bd0bba-012f-4d92-bb17-5fc41e6fe545"
+	defaultComponentName = "Test Component"
+
+	// Default port is not standard XMPP port to avoid interfering
+	// with local running XMPP server
+	testHandshakePort = iota + 15222
+	testDecoderPort
+	testSendIqPort
+	testSendRawPort
+	testDisconnectPort
+	testSManDisconnectPort
 )

 func TestHandshake(t *testing.T) {
@@ -20,8 +46,73 @@ func TestHandshake(t *testing.T) {
 	}
 }

+// Tests connection process with a handshake exchange
+// Tests multiple session IDs. All connections should generate a unique stream ID
 func TestGenerateHandshake(t *testing.T) {
-	// TODO
+	// Using this array with a channel to make a queue of values to test
+	// These are stream IDs that will be used to test the connection process, mixing them with the "secret" to generate
+	// some handshake value
+	var uuidsArray = [5]string{
+		"cc9b3249-9582-4780-825f-4311b42f9b0e",
+		"bba8be3c-d98e-4e26-b9bb-9ed34578a503",
+		"dae72822-80e8-496b-b763-ab685f53a188",
+		"a45d6c06-de49-4bb0-935b-1a2201b71028",
+		"7dc6924f-0eca-4237-9898-18654b8d891e",
+	}
+
+	// Channel to pass stream IDs as a queue
+	var uchan = make(chan string, len(uuidsArray))
+	// Populate test channel
+	for _, elt := range uuidsArray {
+		uchan <- elt
+	}
+
+	// Performs a Component connection with a handshake. It expects to have an ID sent its way through the "uchan"
+	// channel of this file. Otherwise it will hang for ever.
+	h := func(t *testing.T, c net.Conn) {
+		decoder := xml.NewDecoder(c)
+		checkOpenStreamHandshakeID(t, c, decoder, <-uchan)
+		readHandshakeComponent(t, decoder)
+		fmt.Fprintln(c, "<handshake/>") // That's all the server needs to return (see xep-0114)
+		return
+	}
+
+	// Init mock server
+	testComponentAddess := fmt.Sprintf("%s:%d", testComponentDomain, testHandshakePort)
+	mock := ServerMock{}
+	mock.Start(t, testComponentAddess, h)
+
+	// Init component
+	opts := ComponentOptions{
+		TransportConfiguration: TransportConfiguration{
+			Address: testComponentAddess,
+			Domain:  "localhost",
+		},
+		Domain:   testComponentDomain,
+		Secret:   "mypass",
+		Name:     "Test Component",
+		Category: "gateway",
+		Type:     "service",
+	}
+	router := NewRouter()
+	c, err := NewComponent(opts, router)
+	if err != nil {
+		t.Errorf("%+v", err)
+	}
+	c.transport, err = NewComponentTransport(c.ComponentOptions.TransportConfiguration)
+	if err != nil {
+		t.Errorf("%+v", err)
+	}
+
+	// Try connecting, and storing the resulting streamID in a map.
+	m := make(map[string]bool)
+	for _, _ = range uuidsArray {
+		streamId, _ := c.transport.Connect()
+		m[c.handshake(streamId)] = true
+	}
+	if len(uuidsArray) != len(m) {
+		t.Errorf("Handshake does not produce a unique id. Expected: %d unique ids, got: %d", len(uuidsArray), len(m))
+	}
 }

 // Test that NewStreamManager can accept a Component.
@@ -30,3 +121,334 @@ func TestGenerateHandshake(t *testing.T) {
 func TestStreamManager(t *testing.T) {
 	NewStreamManager(&Component{}, nil)
 }
+
+// Tests that the decoder is properly initialized when connecting a component to a server.
+// The decoder is expected to be built after a valid connection
+// Based on the xmpp_component example.
+func TestDecoder(t *testing.T) {
+	c, _ := mockConnection(t, testDecoderPort, handlerForComponentHandshakeDefaultID)
+	if c.transport.GetDecoder() == nil {
+		t.Errorf("Failed to initialize decoder. Decoder is nil.")
+	}
+}
+
+// Tests sending an IQ to the server, and getting the response
+func TestSendIq(t *testing.T) {
+	//Connecting to a mock server, initialized with given port and handler function
+	c, m := mockConnection(t, testSendIqPort, handlerForComponentIQSend)
+
+	ctx, _ := context.WithTimeout(context.Background(), 30*time.Second)
+	iqReq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeGet, From: "test1@localhost/mremond-mbp", To: defaultServerName, Id: defaultStreamID, Lang: "en"})
+	disco := iqReq.DiscoInfo()
+	iqReq.Payload = disco
+
+	var res chan stanza.IQ
+	res, _ = c.SendIQ(ctx, iqReq)
+
+	select {
+	case <-res:
+	case <-time.After(100 * time.Millisecond):
+		t.Errorf("Failed to receive response, to sent IQ, from mock server")
+	}
+
+	m.Stop()
+}
+
+// Tests sending raw xml to the mock server.
+// TODO : check the server response client side ?
+// Right now, the server response is not checked and an err is passed in a channel if the test is supposed to err.
+// In this test, we use IQs
+func TestSendRaw(t *testing.T) {
+	// Error channel for the handler
+	errChan := make(chan error)
+	// Handler for the mock server
+	h := func(t *testing.T, c net.Conn) {
+		// Completes the connection by exchanging handshakes
+		handlerForComponentHandshakeDefaultID(t, c)
+		receiveRawIq(t, c, errChan)
+		return
+	}
+
+	type testCase struct {
+		req       string
+		shouldErr bool
+	}
+	testRequests := make(map[string]testCase)
+	// Sending a correct IQ of type get. Not supposed to err
+	testRequests["Correct IQ"] = testCase{
+		req:       `<iq type="get" id="91bd0bba-012f-4d92-bb17-5fc41e6fe545" from="test1@localhost/mremond-mbp" to="testServer" lang="en"><query xmlns="http://jabber.org/protocol/disco#info"></query></iq>`,
+		shouldErr: false,
+	}
+	// Sending an IQ with a missing ID. Should err
+	testRequests["IQ with missing ID"] = testCase{
+		req:       `<iq type="get" from="test1@localhost/mremond-mbp" to="testServer" lang="en"><query xmlns="http://jabber.org/protocol/disco#info"></query></iq>`,
+		shouldErr: true,
+	}
+
+	// Tests for all the IQs
+	for name, tcase := range testRequests {
+		t.Run(name, func(st *testing.T) {
+			//Connecting to a mock server, initialized with given port and handler function
+			c, m := mockConnection(t, testSendRawPort, h)
+
+			// Sending raw xml from test case
+			err := c.SendRaw(tcase.req)
+			if err != nil {
+				t.Errorf("Error sending Raw string")
+			}
+			// Just wait a little so the message has time to arrive
+			select {
+			case <-time.After(100 * time.Millisecond):
+			case err = <-errChan:
+				if err == nil && tcase.shouldErr {
+					t.Errorf("Failed to get closing stream err")
+				}
+			}
+			c.transport.Close()
+			m.Stop()
+		})
+	}
+}
+
+// Tests the Disconnect method for Components
+func TestDisconnect(t *testing.T) {
+	c, m := mockConnection(t, testDisconnectPort, handlerForComponentHandshakeDefaultID)
+	err := c.transport.Ping()
+	if err != nil {
+		t.Errorf("Could not ping but not disconnected yet")
+	}
+	c.Disconnect()
+	err = c.transport.Ping()
+	if err == nil {
+		t.Errorf("Did not disconnect properly")
+	}
+	m.Stop()
+}
+
+// Tests that a streamManager successfully disconnects when a handshake fails between the component and the server.
+func TestStreamManagerDisconnect(t *testing.T) {
+	// Init mock server
+	testComponentAddress := fmt.Sprintf("%s:%d", testComponentDomain, testSManDisconnectPort)
+	mock := ServerMock{}
+	// Handler fails the handshake, which is currently the only option to disconnect completely when using a streamManager
+	// a failed handshake being a permanent error, except for a "conflict"
+	mock.Start(t, testComponentAddress, handlerComponentFailedHandshakeDefaultID)
+
+	//==================================
+	// Create Component to connect to it
+	c := makeBasicComponent(defaultComponentName, testComponentAddress, t)
+
+	//========================================
+	// Connect the new Component to the server
+	cm := NewStreamManager(c, nil)
+	errChan := make(chan error)
+	runSMan := func(errChan chan error) {
+		errChan <- cm.Run()
+	}
+
+	go runSMan(errChan)
+	select {
+	case <-errChan:
+	case <-time.After(100 * time.Millisecond):
+		t.Errorf("The component and server seem to still be connected while they should not.")
+	}
+	mock.Stop()
+}
+
+//=============================================================================
+// Basic XMPP Server Mock Handlers.
+// Performs a Component connection with a handshake. It uses a default ID defined in this file as a constant.
+// Used in the mock server as a Handler
+func handlerForComponentHandshakeDefaultID(t *testing.T, c net.Conn) {
+	decoder := xml.NewDecoder(c)
+	checkOpenStreamHandshakeDefaultID(t, c, decoder)
+	readHandshakeComponent(t, decoder)
+	fmt.Fprintln(c, "<handshake/>") // That's all the server needs to return (see xep-0114)
+	return
+}
+
+// Performs a Component connection with a handshake. It uses a default ID defined in this file as a constant.
+// This handler is supposed to fail by sending a "message" stanza instead of a <handshake/> stanza to finalize the handshake.
+func handlerComponentFailedHandshakeDefaultID(t *testing.T, c net.Conn) {
+	decoder := xml.NewDecoder(c)
+	checkOpenStreamHandshakeDefaultID(t, c, decoder)
+	readHandshakeComponent(t, decoder)
+
+	// Send a message, instead of a "<handshake/>" tag, to fail the handshake process dans disconnect the client.
+	me := stanza.Message{
+		Attrs: stanza.Attrs{Type: stanza.MessageTypeChat, From: defaultServerName, To: defaultComponentName, Lang: "en"},
+		Body:  "Fail my handshake.",
+	}
+	s, _ := xml.Marshal(me)
+	fmt.Fprintln(c, string(s))
+
+	return
+}
+
+// Reads from the connection with the Component. Expects a handshake request, and returns the <handshake/> tag.
+func readHandshakeComponent(t *testing.T, decoder *xml.Decoder) {
+	se, err := stanza.NextStart(decoder)
+	if err != nil {
+		t.Errorf("cannot read auth: %s", err)
+		return
+	}
+	nv := &stanza.Handshake{}
+	// Decode element into pointer storage
+	if err = decoder.DecodeElement(nv, &se); err != nil {
+		t.Errorf("cannot decode handshake: %s", err)
+		return
+	}
+	if len(strings.TrimSpace(nv.Value)) == 0 {
+		t.Errorf("did not receive handshake ID")
+	}
+}
+
+func checkOpenStreamHandshakeDefaultID(t *testing.T, c net.Conn, decoder *xml.Decoder) {
+	checkOpenStreamHandshakeID(t, c, decoder, defaultStreamID)
+}
+
+// Used for ID and handshake related tests
+func checkOpenStreamHandshakeID(t *testing.T, c net.Conn, decoder *xml.Decoder, streamID string) {
+	c.SetDeadline(time.Now().Add(defaultTimeout))
+	defer c.SetDeadline(time.Time{})
+
+	for { // TODO clean up. That for loop is not elegant and I prefer bounded recursion.
+		token, err := decoder.Token()
+		if err != nil {
+			t.Errorf("cannot read next token: %s", err)
+		}
+
+		switch elem := token.(type) {
+		// Wait for first startElement
+		case xml.StartElement:
+			if elem.Name.Space != stanza.NSStream || elem.Name.Local != "stream" {
+				err = errors.New("xmpp: expected <stream> but got <" + elem.Name.Local + "> in " + elem.Name.Space)
+				return
+			}
+			if _, err := fmt.Fprintf(c, serverStreamOpen, "localhost", streamID, stanza.NSComponent, stanza.NSStream); err != nil {
+				t.Errorf("cannot write server stream open: %s", err)
+			}
+			return
+		}
+	}
+}
+
+//=============================================================================
+// Sends IQ response to Component request.
+// No parsing of the request here. We just check that it's valid, and send the default response.
+func handlerForComponentIQSend(t *testing.T, c net.Conn) {
+	// Completes the connection by exchanging handshakes
+	handlerForComponentHandshakeDefaultID(t, c)
+
+	// Decoder to parse the request
+	decoder := xml.NewDecoder(c)
+
+	iqReq, err := receiveIq(t, c, decoder)
+	if err != nil {
+		t.Errorf("Error receiving the IQ stanza : %v", err)
+	} else if !iqReq.IsValid() {
+		t.Errorf("server received an IQ stanza : %v", iqReq)
+	}
+
+	// Crafting response
+	iqResp := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeResult, From: iqReq.To, To: iqReq.From, Id: iqReq.Id, Lang: "en"})
+	disco := iqResp.DiscoInfo()
+	disco.AddFeatures("vcard-temp",
+		`http://jabber.org/protocol/address`)
+
+	disco.AddIdentity("Multicast", "service", "multicast")
+	iqResp.Payload = disco
+
+	// Sending response to the Component
+	mResp, err := xml.Marshal(iqResp)
+	_, err = fmt.Fprintln(c, string(mResp))
+	if err != nil {
+		t.Errorf("Could not send response stanza : %s", err)
+	}
+	return
+}
+
+// Reads next request coming from the Component. Expecting it to be an IQ request
+func receiveIq(t *testing.T, c net.Conn, decoder *xml.Decoder) (stanza.IQ, error) {
+	c.SetDeadline(time.Now().Add(defaultTimeout))
+	defer c.SetDeadline(time.Time{})
+	var iqStz stanza.IQ
+	err := decoder.Decode(&iqStz)
+	if err != nil {
+		t.Errorf("cannot read the received IQ stanza: %s", err)
+	}
+	if !iqStz.IsValid() {
+		t.Errorf("received IQ stanza is invalid : %s", err)
+	}
+	return iqStz, nil
+}
+
+func receiveRawIq(t *testing.T, c net.Conn, errChan chan error) {
+	c.SetDeadline(time.Now().Add(defaultTimeout))
+	defer c.SetDeadline(time.Time{})
+	decoder := xml.NewDecoder(c)
+	var iq stanza.IQ
+	err := decoder.Decode(&iq)
+	if err != nil || !iq.IsValid() {
+		s := stanza.StreamError{
+			XMLName: xml.Name{Local: "stream:error"},
+			Error:   xml.Name{Local: "xml-not-well-formed"},
+			Text:    `XML was not well-formed`,
+		}
+		raw, _ := xml.Marshal(s)
+		fmt.Fprintln(c, string(raw))
+		fmt.Fprintln(c, `</stream:stream>`) // TODO : check this client side
+		errChan <- fmt.Errorf("invalid xml")
+		return
+	}
+	errChan <- nil
+	return
+}
+
+//===============================
+// Init mock server and connection
+// Creating a mock server and connecting a Component to it. Initialized with given port and handler function
+// The Component and mock are both returned
+func mockConnection(t *testing.T, port int, handler func(t *testing.T, c net.Conn)) (*Component, *ServerMock) {
+	// Init mock server
+	testComponentAddress := fmt.Sprintf("%s:%d", testComponentDomain, port)
+	mock := ServerMock{}
+	mock.Start(t, testComponentAddress, handler)
+
+	//==================================
+	// Create Component to connect to it
+	c := makeBasicComponent(defaultComponentName, testComponentAddress, t)
+
+	//========================================
+	// Connect the new Component to the server
+	err := c.Connect()
+	if err != nil {
+		t.Errorf("%+v", err)
+	}
+
+	return c, &mock
+}
+
+func makeBasicComponent(name string, mockServerAddr string, t *testing.T) *Component {
+	opts := ComponentOptions{
+		TransportConfiguration: TransportConfiguration{
+			Address: mockServerAddr,
+			Domain:  "localhost",
+		},
+		Domain:   testComponentDomain,
+		Secret:   "mypass",
+		Name:     name,
+		Category: "gateway",
+		Type:     "service",
+	}
+	router := NewRouter()
+	c, err := NewComponent(opts, router)
+	if err != nil {
+		t.Errorf("%+v", err)
+	}
+	c.transport, err = NewComponentTransport(c.ComponentOptions.TransportConfiguration)
+	if err != nil {
+		t.Errorf("%+v", err)
+	}
+	return c
+}
--- a/config.go
+++ b/config.go
@@ -1,24 +1,21 @@
 package xmpp

 import (
-	"crypto/tls"
-	"io"
 	"os"
 )

+// Config & TransportConfiguration must not be modified after having been passed to NewClient. Any
+// changes made after connecting are ignored.
 type Config struct {
-	Address        string
+	TransportConfiguration
+
 	Jid            string
 	parsedJid      *Jid // For easier manipulation
-	Password       string
+	Credential     Credential
 	StreamLogger   *os.File // Used for debugging
 	Lang           string   // TODO: should default to 'en'
 	ConnectTimeout int      // Client timeout in seconds. Default to 15
-	// tls.Config must not be modified after having been passed to NewClient. The
-	// Client connect method may override the tls.Config.ServerName if it was not set.
-	TLSConfig *tls.Config
 	// Insecure can be set to true to allow to open a session without TLS. If TLS
 	// is supported on the server, we will still try to use it.
-	Insecure      bool
-	CharsetReader func(charset string, input io.Reader) (io.Reader, error) // passed to xml decoder
+	Insecure bool
 }
--- a/go.mod
+++ b/go.mod
@@ -1,8 +1,10 @@
 module gosrc.io/xmpp

-go 1.12
+go 1.13

 require (
-	github.com/google/go-cmp v0.3.0
+	github.com/google/go-cmp v0.3.1
+	github.com/google/uuid v1.1.1
 	golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7
+	nhooyr.io/websocket v1.6.5
 )
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,106 @@
+github.com/agnivade/wasmbrowsertest v0.3.1/go.mod h1:zQt6ZTdl338xxRaMW395qccVE2eQm0SjC/SDz0mPWQI=
+github.com/chromedp/cdproto v0.0.0-20190614062957-d6d2f92b486d/go.mod h1:S8mB5wY3vV+vRIzf39xDXsw3XKYewW9X6rW2aEmkrSw=
+github.com/chromedp/cdproto v0.0.0-20190621002710-8cbd498dd7a0/go.mod h1:S8mB5wY3vV+vRIzf39xDXsw3XKYewW9X6rW2aEmkrSw=
+github.com/chromedp/cdproto v0.0.0-20190812224334-39ef923dcb8d/go.mod h1:0YChpVzuLJC5CPr+x3xkHN6Z8KOSXjNbL7qV8Wc4GW0=
+github.com/chromedp/cdproto v0.0.0-20190926234355-1b4886c6fad6/go.mod h1:0YChpVzuLJC5CPr+x3xkHN6Z8KOSXjNbL7qV8Wc4GW0=
+github.com/chromedp/chromedp v0.3.1-0.20190619195644-fd957a4d2901/go.mod h1:mJdvfrVn594N9tfiPecUidF6W5jPRKHymqHfzbobPsM=
+github.com/chromedp/chromedp v0.4.0/go.mod h1:DC3QUn4mJ24dwjcaGQLoZrhm4X/uPHZ6spDbS2uFhm4=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
+github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/go-interpreter/wagon v0.5.1-0.20190713202023-55a163980b6c/go.mod h1:5+b/MBYkclRZngKF5s6qrgWxSLgE9F5dFdO1hAueZLc=
+github.com/go-interpreter/wagon v0.6.0/go.mod h1:5+b/MBYkclRZngKF5s6qrgWxSLgE9F5dFdO1hAueZLc=
+github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
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--- a/network.go
+++ b/network.go
@@ -23,7 +23,7 @@ func ensurePort(addr string, port int) string {
 		// This is IPV4 without port
 		return addr + ":" + strconv.Itoa(port)
 	case 1:
-		// This is IPV$ with port
+		// This is IPV6 with port
 		return addr
 	default:
 		// This is IPV6 without port, as you need to use bracket with port in IPV6
--- a/network_test.go
+++ b/network_test.go
@@ -1,12 +1,10 @@
 package xmpp

 import (
+	"strings"
 	"testing"
 )

-type params struct {
-}
-
 func TestParseAddr(t *testing.T) {
 	tests := []struct {
 		name  string
@@ -33,3 +31,36 @@ func TestParseAddr(t *testing.T) {
 		})
 	}
 }
+
+func TestEnsurePort(t *testing.T) {
+	testAddresses := []string{
+		"1ca3:6c07:ee3a:89ca:e065:9a70:71d:daad",
+		"1ca3:6c07:ee3a:89ca:e065:9a70:71d:daad:5252",
+		"[::1]",
+		"127.0.0.1:5555",
+		"127.0.0.1",
+		"[::1]:5555",
+	}
+
+	for _, oldAddr := range testAddresses {
+		t.Run(oldAddr, func(st *testing.T) {
+			newAddr := ensurePort(oldAddr, 5222)
+
+			if len(newAddr) < len(oldAddr) {
+				st.Errorf("incorrect Result: transformed address is shorter than input : %v (old) > %v (new)", newAddr, oldAddr)
+			}
+			// If IPv6, the new address needs brackets to specify a port, like so : [2001:db8:85a3:0:0:8a2e:370:7334]:5222
+			if strings.Count(newAddr, "[") < strings.Count(oldAddr, "[") ||
+				strings.Count(newAddr, "]") < strings.Count(oldAddr, "]") {
+
+				st.Errorf("incorrect Result. Transformed address seems to not have correct brakets : %v => %v", oldAddr, newAddr)
+			}
+
+			// Check if we messed up the colons, or didn't properly add a port
+			if strings.Count(newAddr, ":") < strings.Count(oldAddr, ":") {
+				st.Errorf("incorrect Result: transformed address doesn't seem to have a port %v (=> %v, no port ?)", oldAddr, newAddr)
+			}
+		})
+	}
+
+}
--- a/router.go
+++ b/router.go
@@ -1,8 +1,10 @@
 package xmpp

 import (
+	"context"
 	"encoding/xml"
 	"strings"
+	"sync"

 	"gosrc.io/xmpp/stanza"
 )
@@ -25,16 +27,35 @@ TODO: Automatically reply to IQ that do not match any route, to comply to XMPP s
 type Router struct {
 	// Routes to be matched, in order.
 	routes []*Route
+
+	IQResultRoutes    map[string]*IQResultRoute
+	IQResultRouteLock sync.RWMutex
 }

 // NewRouter returns a new router instance.
 func NewRouter() *Router {
-	return &Router{}
+	return &Router{
+		IQResultRoutes: make(map[string]*IQResultRoute),
+	}
 }

 // route is called by the XMPP client to dispatch stanza received using the set up routes.
 // It is also used by test, but is not supposed to be used directly by users of the library.
 func (r *Router) route(s Sender, p stanza.Packet) {
+	iq, isIq := p.(stanza.IQ)
+	if isIq {
+		r.IQResultRouteLock.RLock()
+		route, ok := r.IQResultRoutes[iq.Id]
+		r.IQResultRouteLock.RUnlock()
+		if ok {
+			r.IQResultRouteLock.Lock()
+			delete(r.IQResultRoutes, iq.Id)
+			r.IQResultRouteLock.Unlock()
+			route.result <- iq
+			close(route.result)
+			return
+		}
+	}

 	var match RouteMatch
 	if r.Match(p, &match) {
@@ -42,11 +63,10 @@ func (r *Router) route(s Sender, p stanza.Packet) {
 		match.Handler.HandlePacket(s, p)
 		return
 	}
+
 	// If there is no match and we receive an iq set or get, we need to send a reply
-	if iq, ok := p.(stanza.IQ); ok {
-		if iq.Type == stanza.IQTypeGet || iq.Type == stanza.IQTypeSet {
-			iqNotImplemented(s, iq)
-		}
+	if isIq && (iq.Type == stanza.IQTypeGet || iq.Type == stanza.IQTypeSet) {
+		iqNotImplemented(s, iq)
 	}
 }

@@ -68,6 +88,27 @@ func (r *Router) NewRoute() *Route {
 	return route
 }

+// NewIQResultRoute register a route that will catch an IQ result stanza with
+// the given Id. The route will only match ones, after which it will automatically
+// be unregistered
+func (r *Router) NewIQResultRoute(ctx context.Context, id string) chan stanza.IQ {
+	route := NewIQResultRoute(ctx)
+	r.IQResultRouteLock.Lock()
+	r.IQResultRoutes[id] = route
+	r.IQResultRouteLock.Unlock()
+
+	// Start a go function to make sure the route is unregistered when the context
+	// is done.
+	go func() {
+		<-route.context.Done()
+		r.IQResultRouteLock.Lock()
+		delete(r.IQResultRoutes, id)
+		r.IQResultRouteLock.Unlock()
+	}()
+
+	return route.result
+}
+
 func (r *Router) Match(p stanza.Packet, match *RouteMatch) bool {
 	for _, route := range r.routes {
 		if route.Match(p, match) {
@@ -89,8 +130,44 @@ func (r *Router) HandleFunc(name string, f func(s Sender, p stanza.Packet)) *Rou
 	return r.NewRoute().Packet(name).HandlerFunc(f)
 }

+// ============================================================================
+
+// TimeoutHandlerFunc is a function type for handling IQ result timeouts.
+type TimeoutHandlerFunc func(err error)
+
+// IQResultRoute is a temporary route to match IQ result stanzas
+type IQResultRoute struct {
+	context context.Context
+	result  chan stanza.IQ
+}
+
+// NewIQResultRoute creates a new IQResultRoute instance
+func NewIQResultRoute(ctx context.Context) *IQResultRoute {
+	return &IQResultRoute{
+		context: ctx,
+		result:  make(chan stanza.IQ),
+	}
+}
+
+// ============================================================================
+// IQ result handler
+
+// IQResultHandler is a utility interface for IQ result handlers
+type IQResultHandler interface {
+	HandleIQ(ctx context.Context, s Sender, iq stanza.IQ)
+}
+
+// IQResultHandlerFunc is an adapter to allow using functions as IQ result handlers.
+type IQResultHandlerFunc func(ctx context.Context, s Sender, iq stanza.IQ)
+
+// HandleIQ is a proxy function to implement IQResultHandler using a function.
+func (f IQResultHandlerFunc) HandleIQ(ctx context.Context, s Sender, iq stanza.IQ) {
+	f(ctx, s, iq)
+}
+
 // ============================================================================
 // Route
+
 type Handler interface {
 	HandlePacket(s Sender, p stanza.Packet)
 }
--- a/router_test.go
+++ b/router_test.go
@@ -2,8 +2,10 @@ package xmpp

 import (
 	"bytes"
+	"context"
 	"encoding/xml"
 	"testing"
+	"time"

 	"gosrc.io/xmpp/stanza"
 )
@@ -11,6 +13,47 @@ import (
 // ============================================================================
 // Test route & matchers

+func TestIQResultRoutes(t *testing.T) {
+	t.Parallel()
+	router := NewRouter()
+	conn := NewSenderMock()
+
+	if router.IQResultRoutes == nil {
+		t.Fatal("NewRouter does not initialize isResultRoutes")
+	}
+
+	// Check if the IQ handler was called
+	ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*100)
+	defer cancel()
+	iq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeResult, Id: "1234"})
+	res := router.NewIQResultRoute(ctx, "1234")
+	go router.route(conn, iq)
+	select {
+	case <-ctx.Done():
+		t.Fatal("IQ result was not matched")
+	case <-res:
+		// Success
+	}
+
+	// The match must only happen once, so the id should no longer be in IQResultRoutes
+	if _, ok := router.IQResultRoutes[iq.Attrs.Id]; ok {
+		t.Fatal("IQ ID was not removed from the route map")
+	}
+
+	// Check other IQ does not matcah
+	ctx, cancel = context.WithTimeout(context.Background(), time.Millisecond*100)
+	defer cancel()
+	iq.Attrs.Id = "4321"
+	res = router.NewIQResultRoute(ctx, "1234")
+	go router.route(conn, iq)
+	select {
+	case <-ctx.Done():
+		// Success
+	case <-res:
+		t.Fatal("IQ result with wrong ID was matched")
+	}
+}
+
 func TestNameMatcher(t *testing.T) {
 	router := NewRouter()
 	router.HandleFunc("message", func(s Sender, p stanza.Packet) {
@@ -103,7 +146,7 @@ func TestTypeMatcher(t *testing.T) {

 	// We do not match on other types
 	conn = NewSenderMock()
-	iqVersion := stanza.NewIQ(stanza.Attrs{Type: "get", From: "service.localhost", To: "test@localhost", Id: "1"})
+	iqVersion := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeGet, From: "service.localhost", To: "test@localhost", Id: "1"})
 	iqVersion.Payload = &stanza.DiscoInfo{
 		XMLName: xml.Name{
 			Space: "jabber:iq:version",
@@ -120,27 +163,27 @@ func TestCompositeMatcher(t *testing.T) {
 	router := NewRouter()
 	router.NewRoute().
 		IQNamespaces("jabber:iq:version").
-		StanzaType("get").
+		StanzaType(string(stanza.IQTypeGet)).
 		HandlerFunc(func(s Sender, p stanza.Packet) {
 			_ = s.SendRaw(successFlag)
 		})

 	// Data set
-	getVersionIq := stanza.NewIQ(stanza.Attrs{Type: "get", From: "service.localhost", To: "test@localhost", Id: "1"})
+	getVersionIq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeGet, From: "service.localhost", To: "test@localhost", Id: "1"})
 	getVersionIq.Payload = &stanza.Version{
 		XMLName: xml.Name{
 			Space: "jabber:iq:version",
 			Local: "query",
 		}}

-	setVersionIq := stanza.NewIQ(stanza.Attrs{Type: "set", From: "service.localhost", To: "test@localhost", Id: "1"})
+	setVersionIq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeSet, From: "service.localhost", To: "test@localhost", Id: "1"})
 	setVersionIq.Payload = &stanza.Version{
 		XMLName: xml.Name{
 			Space: "jabber:iq:version",
 			Local: "query",
 		}}

-	GetDiscoIq := stanza.NewIQ(stanza.Attrs{Type: "get", From: "service.localhost", To: "test@localhost", Id: "1"})
+	GetDiscoIq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeGet, From: "service.localhost", To: "test@localhost", Id: "1"})
 	GetDiscoIq.Payload = &stanza.DiscoInfo{
 		XMLName: xml.Name{
 			Space: "http://jabber.org/protocol/disco#info",
@@ -195,7 +238,7 @@ func TestCatchallMatcher(t *testing.T) {
 	}

 	conn = NewSenderMock()
-	iqVersion := stanza.NewIQ(stanza.Attrs{Type: "get", From: "service.localhost", To: "test@localhost", Id: "1"})
+	iqVersion := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeGet, From: "service.localhost", To: "test@localhost", Id: "1"})
 	iqVersion.Payload = &stanza.DiscoInfo{
 		XMLName: xml.Name{
 			Space: "jabber:iq:version",
@@ -211,7 +254,8 @@ func TestCatchallMatcher(t *testing.T) {
 // ============================================================================
 // SenderMock

-var successFlag = "matched"
+const successFlag = "matched"
+const cancelledFlag = "cancelled"

 type SenderMock struct {
 	buffer *bytes.Buffer
@@ -230,6 +274,15 @@ func (s SenderMock) Send(packet stanza.Packet) error {
 	return nil
 }

+func (s SenderMock) SendIQ(ctx context.Context, iq stanza.IQ) (chan stanza.IQ, error) {
+	out, err := xml.Marshal(iq)
+	if err != nil {
+		return nil, err
+	}
+	s.buffer.Write(out)
+	return nil, nil
+}
+
 func (s SenderMock) SendRaw(str string) error {
 	s.buffer.WriteString(str)
 	return nil
--- a/session.go
+++ b/session.go
@@ -1,18 +1,12 @@
 package xmpp

 import (
-	"crypto/tls"
-	"encoding/xml"
 	"errors"
 	"fmt"
-	"io"
-	"net"

 	"gosrc.io/xmpp/stanza"
 )

-const xmppStreamOpen = "<?xml version='1.0'?><stream:stream to='%s' xmlns='%s' xmlns:stream='%s' version='1.0'>"
-
 type Session struct {
 	// Session info
 	BindJid      string // Jabber ID as provided by XMPP server
@@ -23,42 +17,42 @@ type Session struct {
 	lastPacketId int

 	// read / write
-	streamLogger io.ReadWriter
-	decoder      *xml.Decoder
+	transport Transport

 	// error management
 	err error
 }

-func NewSession(conn net.Conn, o Config, state SMState) (net.Conn, *Session, error) {
+func NewSession(transport Transport, o Config, state SMState) (*Session, error) {
 	s := new(Session)
+	s.transport = transport
 	s.SMState = state
-	s.init(conn, o)
-
-	// starttls
-	var tlsConn net.Conn
-	tlsConn = s.startTlsIfSupported(conn, o.parsedJid.Domain, o)
+	s.init(o)

 	if s.err != nil {
-		return nil, nil, NewConnError(s.err, true)
+		return nil, NewConnError(s.err, true)
 	}

-	if !s.TlsEnabled && !o.Insecure {
+	if !transport.IsSecure() {
+		s.startTlsIfSupported(o)
+	}
+
+	if !transport.IsSecure() && !o.Insecure {
 		err := fmt.Errorf("failed to negotiate TLS session : %s", s.err)
-		return nil, nil, NewConnError(err, true)
+		return nil, NewConnError(err, true)
 	}

 	if s.TlsEnabled {
-		s.reset(conn, tlsConn, o)
+		s.reset(o)
 	}

 	// auth
 	s.auth(o)
-	s.reset(tlsConn, tlsConn, o)
+	s.reset(o)

 	// attempt resumption
 	if s.resume(o) {
-		return tlsConn, s, s.err
+		return s, s.err
 	}

 	// otherwise, bind resource and 'start' XMPP session
@@ -68,7 +62,7 @@ func NewSession(conn net.Conn, o Config, state SMState) (net.Conn, *Session, err
 	// Enable stream management if supported
 	s.EnableStreamManagement(o)

-	return tlsConn, s, s.err
+	return s, s.err
 }

 func (s *Session) PacketId() string {
@@ -76,91 +70,59 @@ func (s *Session) PacketId() string {
 	return fmt.Sprintf("%x", s.lastPacketId)
 }

-func (s *Session) init(conn net.Conn, o Config) {
-	s.setStreamLogger(nil, conn, o)
+func (s *Session) init(o Config) {
 	s.Features = s.open(o.parsedJid.Domain)
 }

-func (s *Session) reset(conn net.Conn, newConn net.Conn, o Config) {
-	if s.err != nil {
+func (s *Session) reset(o Config) {
+	if s.StreamId, s.err = s.transport.StartStream(); s.err != nil {
 		return
 	}

-	s.setStreamLogger(conn, newConn, o)
 	s.Features = s.open(o.parsedJid.Domain)
 }

-func (s *Session) setStreamLogger(conn net.Conn, newConn net.Conn, o Config) {
-	if newConn != conn {
-		s.streamLogger = newStreamLogger(newConn, o.StreamLogger)
-	}
-	s.decoder = xml.NewDecoder(s.streamLogger)
-	s.decoder.CharsetReader = o.CharsetReader
-}
-
 func (s *Session) open(domain string) (f stanza.StreamFeatures) {
-	// Send stream open tag
-	if _, s.err = fmt.Fprintf(s.streamLogger, xmppStreamOpen, domain, stanza.NSClient, stanza.NSStream); s.err != nil {
-		return
-	}
-
-	// Set xml decoder and extract streamID from reply
-	s.StreamId, s.err = stanza.InitStream(s.decoder) // TODO refactor / rename
-	if s.err != nil {
-		return
-	}
-
 	// extract stream features
-	if s.err = s.decoder.Decode(&f); s.err != nil {
+	if s.err = s.transport.GetDecoder().Decode(&f); s.err != nil {
 		s.err = errors.New("stream open decode features: " + s.err.Error())
 	}
 	return
 }

-func (s *Session) startTlsIfSupported(conn net.Conn, domain string, o Config) net.Conn {
+func (s *Session) startTlsIfSupported(o Config) {
 	if s.err != nil {
-		return conn
+		return
+	}
+
+	if !s.transport.DoesStartTLS() {
+		if !o.Insecure {
+			s.err = errors.New("Transport does not support starttls")
+		}
+		return
 	}

 	if _, ok := s.Features.DoesStartTLS(); ok {
-		fmt.Fprintf(s.streamLogger, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>")
+		fmt.Fprintf(s.transport, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>")

 		var k stanza.TLSProceed
-		if s.err = s.decoder.DecodeElement(&k, nil); s.err != nil {
+		if s.err = s.transport.GetDecoder().DecodeElement(&k, nil); s.err != nil {
 			s.err = errors.New("expecting starttls proceed: " + s.err.Error())
-			return conn
+			return
 		}

-		if o.TLSConfig == nil {
-			o.TLSConfig = &tls.Config{}
-		}
-
-		if o.TLSConfig.ServerName == "" {
-			o.TLSConfig.ServerName = domain
-		}
-		tlsConn := tls.Client(conn, o.TLSConfig)
-		// We convert existing connection to TLS
-		if s.err = tlsConn.Handshake(); s.err != nil {
-			return tlsConn
-		}
-
-		if !o.TLSConfig.InsecureSkipVerify {
-			s.err = tlsConn.VerifyHostname(domain)
-		}
+		s.err = s.transport.StartTLS()

 		if s.err == nil {
 			s.TlsEnabled = true
 		}
-		return tlsConn
+		return
 	}

 	// If we do not allow cleartext connections, make it explicit that server do not support starttls
 	if !o.Insecure {
 		s.err = errors.New("XMPP server does not advertise support for starttls")
 	}
-
-	// starttls is not supported => we do not upgrade the connection:
-	return conn
 }

 func (s *Session) auth(o Config) {
@@ -168,7 +130,7 @@ func (s *Session) auth(o Config) {
 		return
 	}

-	s.err = authSASL(s.streamLogger, s.decoder, s.Features, o.parsedJid.Node, o.Password)
+	s.err = authSASL(s.transport, s.transport.GetDecoder(), s.Features, o.parsedJid.Node, o.Credential)
 }

 // Attempt to resume session using stream management
@@ -180,11 +142,11 @@ func (s *Session) resume(o Config) bool {
 		return false
 	}

-	fmt.Fprintf(s.streamLogger, "<resume xmlns='%s' h='%d' previd='%s'/>",
+	fmt.Fprintf(s.transport, "<resume xmlns='%s' h='%d' previd='%s'/>",
 		stanza.NSStreamManagement, s.SMState.Inbound, s.SMState.Id)

 	var packet stanza.Packet
-	packet, s.err = stanza.NextPacket(s.decoder)
+	packet, s.err = stanza.NextPacket(s.transport.GetDecoder())
 	if s.err == nil {
 		switch p := packet.(type) {
 		case stanza.SMResumed:
@@ -211,14 +173,14 @@ func (s *Session) bind(o Config) {
 	// Send IQ message asking to bind to the local user name.
 	var resource = o.parsedJid.Resource
 	if resource != "" {
-		fmt.Fprintf(s.streamLogger, "<iq type='set' id='%s'><bind xmlns='%s'><resource>%s</resource></bind></iq>",
+		fmt.Fprintf(s.transport, "<iq type='set' id='%s'><bind xmlns='%s'><resource>%s</resource></bind></iq>",
 			s.PacketId(), stanza.NSBind, resource)
 	} else {
-		fmt.Fprintf(s.streamLogger, "<iq type='set' id='%s'><bind xmlns='%s'/></iq>", s.PacketId(), stanza.NSBind)
+		fmt.Fprintf(s.transport, "<iq type='set' id='%s'><bind xmlns='%s'/></iq>", s.PacketId(), stanza.NSBind)
 	}

 	var iq stanza.IQ
-	if s.err = s.decoder.Decode(&iq); s.err != nil {
+	if s.err = s.transport.GetDecoder().Decode(&iq); s.err != nil {
 		s.err = errors.New("error decoding iq bind result: " + s.err.Error())
 		return
 	}
@@ -243,8 +205,8 @@ func (s *Session) rfc3921Session(o Config) {
 	var iq stanza.IQ
 	// We only negotiate session binding if it is mandatory, we skip it when optional.
 	if !s.Features.Session.IsOptional() {
-		fmt.Fprintf(s.streamLogger, "<iq type='set' id='%s'><session xmlns='%s'/></iq>", s.PacketId(), stanza.NSSession)
-		if s.err = s.decoder.Decode(&iq); s.err != nil {
+		fmt.Fprintf(s.transport, "<iq type='set' id='%s'><session xmlns='%s'/></iq>", s.PacketId(), stanza.NSSession)
+		if s.err = s.transport.GetDecoder().Decode(&iq); s.err != nil {
 			s.err = errors.New("expecting iq result after session open: " + s.err.Error())
 			return
 		}
@@ -260,10 +222,10 @@ func (s *Session) EnableStreamManagement(o Config) {
 		return
 	}

-	fmt.Fprintf(s.streamLogger, "<enable xmlns='%s' resume='true'/>", stanza.NSStreamManagement)
+	fmt.Fprintf(s.transport, "<enable xmlns='%s' resume='true'/>", stanza.NSStreamManagement)

 	var packet stanza.Packet
-	packet, s.err = stanza.NextPacket(s.decoder)
+	packet, s.err = stanza.NextPacket(s.transport.GetDecoder())
 	if s.err == nil {
 		switch p := packet.(type) {
 		case stanza.SMEnabled:
--- a/stanza/component.go
+++ b/stanza/component.go
@@ -12,7 +12,7 @@ import (
 type Handshake struct {
 	XMLName xml.Name `xml:"jabber:component:accept handshake"`
 	// TODO Add handshake value with test for proper serialization
-	// Value string     `xml:",innerxml"`
+	Value string `xml:",innerxml"`
 }

 func (Handshake) Name() string {
--- a/stanza/error.go
+++ b/stanza/error.go
@@ -54,7 +54,7 @@ func (x *Err) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {

 			textName := xml.Name{Space: "urn:ietf:params:xml:ns:xmpp-stanzas", Local: "text"}
 			if elt.XMLName == textName {
-				x.Text = string(elt.Content)
+				x.Text = elt.Content
 			} else if elt.XMLName.Space == "urn:ietf:params:xml:ns:xmpp-stanzas" {
 				x.Reason = elt.XMLName.Local
 			}
@@ -94,16 +94,32 @@ func (x Err) MarshalXML(e *xml.Encoder, start xml.StartElement) (err error) {
 	// Reason
 	if x.Reason != "" {
 		reason := xml.Name{Space: "urn:ietf:params:xml:ns:xmpp-stanzas", Local: x.Reason}
-		e.EncodeToken(xml.StartElement{Name: reason})
-		e.EncodeToken(xml.EndElement{Name: reason})
+		err = e.EncodeToken(xml.StartElement{Name: reason})
+		if err != nil {
+			return err
+		}
+		err = e.EncodeToken(xml.EndElement{Name: reason})
+		if err != nil {
+			return err
+		}
+
 	}

 	// Text
 	if x.Text != "" {
 		text := xml.Name{Space: "urn:ietf:params:xml:ns:xmpp-stanzas", Local: "text"}
-		e.EncodeToken(xml.StartElement{Name: text})
-		e.EncodeToken(xml.CharData(x.Text))
-		e.EncodeToken(xml.EndElement{Name: text})
+		err = e.EncodeToken(xml.StartElement{Name: text})
+		if err != nil {
+			return err
+		}
+		err = e.EncodeToken(xml.CharData(x.Text))
+		if err != nil {
+			return err
+		}
+		err = e.EncodeToken(xml.EndElement{Name: text})
+		if err != nil {
+			return err
+		}
 	}

 	return e.EncodeToken(xml.EndElement{Name: start.Name})
--- a/stanza/iq.go
+++ b/stanza/iq.go
@@ -2,6 +2,9 @@ package stanza

 import (
 	"encoding/xml"
+	"strings"
+
+	"github.com/google/uuid"
 )

 /*
@@ -21,7 +24,7 @@ type IQ struct { // Info/Query
 	//    child element, which specifies the semantics of the particular
 	//    request."
 	Payload IQPayload `xml:",omitempty"`
-	Error   Err       `xml:"error,omitempty"`
+	Error   *Err      `xml:"error,omitempty"`
 	// Any is used to decode unknown payload as a generic structure
 	Any *Node `xml:",any"`
 }
@@ -31,8 +34,12 @@ type IQPayload interface {
 }

 func NewIQ(a Attrs) IQ {
-	// TODO generate IQ ID if not set
 	// TODO ensure that type is set, as it is required
+	if a.Id == "" {
+		if id, err := uuid.NewRandom(); err == nil {
+			a.Id = id.String()
+		}
+	}
 	return IQ{
 		XMLName: xml.Name{Local: "iq"},
 		Attrs:   a,
@@ -46,7 +53,7 @@ func (iq IQ) MakeError(xerror Err) IQ {
 	iq.Type = "error"
 	iq.From = to
 	iq.To = from
-	iq.Error = xerror
+	iq.Error = &xerror

 	return iq
 }
@@ -100,7 +107,7 @@ func (iq *IQ) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 				if err != nil {
 					return err
 				}
-				iq.Error = xmppError
+				iq.Error = &xmppError
 				continue
 			}
 			if iqExt := TypeRegistry.GetIQExtension(tt.Name); iqExt != nil {
@@ -126,3 +133,39 @@ func (iq *IQ) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 		}
 	}
 }
+
+// Following RFC-3920 for IQs
+func (iq *IQ) IsValid() bool {
+	// ID is required
+	if len(strings.TrimSpace(iq.Id)) == 0 {
+		return false
+	}
+
+	// Type is required
+	if iq.Type.IsEmpty() {
+		return false
+	}
+
+	// Type get and set must contain one and only one child element that specifies the semantics
+	if iq.Type == IQTypeGet || iq.Type == IQTypeSet {
+		if iq.Payload == nil && iq.Any == nil {
+			return false
+		}
+	}
+
+	// A result must include zero or one child element
+	if iq.Type == IQTypeResult {
+		if iq.Payload != nil && iq.Any != nil {
+			return false
+		}
+	}
+
+	//Error type must contain an "error" child element
+	if iq.Type == IQTypeError {
+		if iq.Error == nil {
+			return false
+		}
+	}
+
+	return true
+}
--- a/stanza/iq_test.go
+++ b/stanza/iq_test.go
@@ -34,6 +34,24 @@ func TestUnmarshalIqs(t *testing.T) {
 	}
 }

+func TestGenerateIqId(t *testing.T) {
+	t.Parallel()
+	iq := stanza.NewIQ(stanza.Attrs{Id: "1"})
+	if iq.Id != "1" {
+		t.Errorf("NewIQ replaced id with %s", iq.Id)
+	}
+
+	iq = stanza.NewIQ(stanza.Attrs{})
+	if iq.Id == "" {
+		t.Error("NewIQ did not generate an Id")
+	}
+
+	otherIq := stanza.NewIQ(stanza.Attrs{})
+	if iq.Id == otherIq.Id {
+		t.Errorf("NewIQ generated two identical ids: %s", iq.Id)
+	}
+}
+
 func TestGenerateIq(t *testing.T) {
 	iq := stanza.NewIQ(stanza.Attrs{Type: stanza.IQTypeResult, From: "admin@localhost", To: "test@localhost", Id: "1"})
 	payload := stanza.DiscoInfo{
@@ -169,3 +187,38 @@ func TestUnknownPayload(t *testing.T) {
 		t.Errorf("could not extract namespace: '%s'", parsedIQ.Any.XMLName.Space)
 	}
 }
+
+func TestIsValid(t *testing.T) {
+	type testCase struct {
+		iq        string
+		shouldErr bool
+	}
+	testIQs := make(map[string]testCase)
+	testIQs["Valid IQ"] = testCase{
+		`<iq type="get" to="service.localhost" id="1" >
+ 			<query xmlns="unknown:ns"/>
+		</iq>`,
+		false,
+	}
+	testIQs["Invalid IQ"] = testCase{
+		`<iq type="get" to="service.localhost">
+ 			<query xmlns="unknown:ns"/>
+		</iq>`,
+		true,
+	}
+
+	for name, tcase := range testIQs {
+		t.Run(name, func(st *testing.T) {
+			parsedIQ := stanza.IQ{}
+			err := xml.Unmarshal([]byte(tcase.iq), &parsedIQ)
+			if err != nil {
+				t.Errorf("Unmarshal error: %#v (%s)", err, tcase.iq)
+				return
+			}
+			if !parsedIQ.IsValid() && !tcase.shouldErr {
+				t.Errorf("failed iq validation for : %s", tcase.iq)
+			}
+		})
+	}
+
+}
--- a/stanza/node.go
+++ b/stanza/node.go
@@ -46,9 +46,18 @@ func (n Node) MarshalXML(e *xml.Encoder, start xml.StartElement) (err error) {
 	start.Name = n.XMLName

 	err = e.EncodeToken(start)
-	e.EncodeElement(n.Nodes, xml.StartElement{Name: n.XMLName})
+	if err != nil {
+		return err
+	}
+	err = e.EncodeElement(n.Nodes, xml.StartElement{Name: n.XMLName})
+	if err != nil {
+		return err
+	}
 	if n.Content != "" {
-		e.EncodeToken(xml.CharData(n.Content))
+		err = e.EncodeToken(xml.CharData(n.Content))
+		if err != nil {
+			return err
+		}
 	}
 	return e.EncodeToken(xml.EndElement{Name: start.Name})
 }
--- a/stanza/ns.go
+++ b/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"
 )
--- a/stanza/open.go
+++ b/stanza/open.go
@@ -0,0 +1,13 @@
+package stanza
+
+import "encoding/xml"
+
+// Open Packet
+// Reference: WebSocket connections must start with this element
+//            https://tools.ietf.org/html/rfc7395#section-3.4
+type WebsocketOpen struct {
+	XMLName xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-framing open"`
+	From    string   `xml:"from,attr"`
+	Id      string   `xml:"id,attr"`
+	Version string   `xml:"version,attr"`
+}
--- a/stanza/packet_enum.go
+++ b/stanza/packet_enum.go
@@ -1,5 +1,7 @@
 package stanza

+import "strings"
+
 type StanzaType string

 // RFC 6120: part of A.5 Client Namespace and A.6 Server Namespace
@@ -23,3 +25,7 @@ const (
 	PresenceTypeUnsubscribe  StanzaType = "unsubscribe"
 	PresenceTypeUnsubscribed StanzaType = "unsubscribed"
 )
+
+func (s StanzaType) IsEmpty() bool {
+	return len(strings.TrimSpace(string(s))) == 0
+}
--- a/stanza/parser.go
+++ b/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" {
-				err = errors.New("xmpp: expected <stream> but got <" + elem.Name.Local + "> in " + elem.Name.Space)
+			isStreamOpen := elem.Name.Space == NSStream && elem.Name.Local == "stream"
+			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
 			}

--- a/stanza/sasl_auth.go
+++ b/stanza/sasl_auth.go
@@ -107,6 +107,6 @@ func (s *StreamSession) IsOptional() bool {
 // 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{})
+	TypeRegistry.MapExtension(PKTIQ, xml.Name{Space: "urn:ietf:params:xml:ns:xmpp-bind", Local: "bind"}, Bind{})
+	TypeRegistry.MapExtension(PKTIQ, xml.Name{Space: "urn:ietf:params:xml:ns:xmpp-session", Local: "session"}, StreamSession{})
 }
--- a/stanza/stream.go
+++ b/stanza/stream.go
@@ -1,167 +1,14 @@
 package stanza

-import (
-	"encoding/xml"
-)
+import "encoding/xml"

-// ============================================================================
-// StreamFeatures Packet
-// Reference: The active stream features are published on
-//            https://xmpp.org/registrar/stream-features.html
-// Note: That page misses draft and experimental XEP (i.e CSI, etc)
-
-type StreamFeatures struct {
-	XMLName xml.Name `xml:"http://etherx.jabber.org/streams features"`
-	// Server capabilities hash
-	Caps Caps
-	// Stream features
-	StartTLS         tlsStartTLS
-	Mechanisms       saslMechanisms
-	Bind             Bind
-	StreamManagement streamManagement
-	// Obsolete
-	Session StreamSession
-	// ProcessOne Stream Features
-	P1Push   p1Push
-	P1Rebind p1Rebind
-	p1Ack    p1Ack
-	Any      []xml.Name `xml:",any"`
-}
-
-func (StreamFeatures) Name() string {
-	return "stream:features"
-}
-
-type streamFeatureDecoder struct{}
-
-var streamFeatures streamFeatureDecoder
-
-func (streamFeatureDecoder) decode(p *xml.Decoder, se xml.StartElement) (StreamFeatures, error) {
-	var packet StreamFeatures
-	err := p.DecodeElement(&packet, &se)
-	return packet, err
-}
-
-// Capabilities
-// Reference: https://xmpp.org/extensions/xep-0115.html#stream
-//    "A server MAY include its entity capabilities in a stream feature element so that connecting clients
-//     and peer servers do not need to send service discovery requests each time they connect."
-// This is not a stream feature but a way to let client cache server disco info.
-type Caps struct {
-	XMLName xml.Name `xml:"http://jabber.org/protocol/caps c"`
-	Hash    string   `xml:"hash,attr"`
-	Node    string   `xml:"node,attr"`
-	Ver     string   `xml:"ver,attr"`
-	Ext     string   `xml:"ext,attr,omitempty"`
-}
-
-// ============================================================================
-// Supported Stream Features
-
-// StartTLS feature
-// Reference: RFC 6120 - https://tools.ietf.org/html/rfc6120#section-5.4
-type tlsStartTLS struct {
-	XMLName  xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-tls starttls"`
-	Required bool
-}
-
-// UnmarshalXML implements custom parsing startTLS required flag
-func (stls *tlsStartTLS) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
-	stls.XMLName = start.Name
-
-	// Check subelements to extract required field as boolean
-	for {
-		t, err := d.Token()
-		if err != nil {
-			return err
-		}
-
-		switch tt := t.(type) {
-
-		case xml.StartElement:
-			elt := new(Node)
-
-			err = d.DecodeElement(elt, &tt)
-			if err != nil {
-				return err
-			}
-
-			if elt.XMLName.Local == "required" {
-				stls.Required = true
-			}
-
-		case xml.EndElement:
-			if tt == start.End() {
-				return nil
-			}
-		}
-	}
-}
-
-func (sf *StreamFeatures) DoesStartTLS() (feature tlsStartTLS, isSupported bool) {
-	if sf.StartTLS.XMLName.Space+" "+sf.StartTLS.XMLName.Local == nsTLS+" starttls" {
-		return sf.StartTLS, true
-	}
-	return feature, false
-}
-
-// Mechanisms
-// Reference: RFC 6120 - https://tools.ietf.org/html/rfc6120#section-6.4.1
-type saslMechanisms struct {
-	XMLName   xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl mechanisms"`
-	Mechanism []string `xml:"mechanism"`
-}
-
-// StreamManagement
-// Reference: XEP-0198 - https://xmpp.org/extensions/xep-0198.html#feature
-type streamManagement struct {
-	XMLName xml.Name `xml:"urn:xmpp:sm:3 sm"`
-}
-
-func (sf *StreamFeatures) DoesStreamManagement() (isSupported bool) {
-	if sf.StreamManagement.XMLName.Space+" "+sf.StreamManagement.XMLName.Local == "urn:xmpp:sm:3 sm" {
-		return true
-	}
-	return false
-}
-
-// P1 extensions
-// Reference: https://docs.ejabberd.im/developer/mobile/core-features/
-
-// p1:push support
-type p1Push struct {
-	XMLName xml.Name `xml:"p1:push push"`
-}
-
-// p1:rebind suppor
-type p1Rebind struct {
-	XMLName xml.Name `xml:"p1:rebind rebind"`
-}
-
-// p1:ack support
-type p1Ack struct {
-	XMLName xml.Name `xml:"p1:ack ack"`
-}
-
-// ============================================================================
-// StreamError Packet
-
-type StreamError struct {
-	XMLName xml.Name `xml:"http://etherx.jabber.org/streams error"`
-	Error   xml.Name `xml:",any"`
-	Text    string   `xml:"urn:ietf:params:xml:ns:xmpp-streams text"`
-}
-
-func (StreamError) Name() string {
-	return "stream:error"
-}
-
-type streamErrorDecoder struct{}
-
-var streamError streamErrorDecoder
-
-func (streamErrorDecoder) decode(p *xml.Decoder, se xml.StartElement) (StreamError, error) {
-	var packet StreamError
-	err := p.DecodeElement(&packet, &se)
-	return packet, err
+// Start of stream
+// Reference: XMPP Core stream open
+//            https://tools.ietf.org/html/rfc6120#section-4.2
+type Stream struct {
+	XMLName xml.Name `xml:"http://etherx.jabber.org/streams stream"`
+	From    string   `xml:"from,attr"`
+	To      string   `xml:"to,attr"`
+	Id      string   `xml:"id,attr"`
+	Version string   `xml:"version,attr"`
 }
--- a/stanza/stream_features.go
+++ b/stanza/stream_features.go
@@ -0,0 +1,167 @@
+package stanza
+
+import (
+	"encoding/xml"
+)
+
+// ============================================================================
+// StreamFeatures Packet
+// Reference: The active stream features are published on
+//            https://xmpp.org/registrar/stream-features.html
+// Note: That page misses draft and experimental XEP (i.e CSI, etc)
+
+type StreamFeatures struct {
+	XMLName xml.Name `xml:"http://etherx.jabber.org/streams features"`
+	// Server capabilities hash
+	Caps Caps
+	// Stream features
+	StartTLS         TlsStartTLS
+	Mechanisms       saslMechanisms
+	Bind             Bind
+	StreamManagement streamManagement
+	// Obsolete
+	Session StreamSession
+	// ProcessOne Stream Features
+	P1Push   p1Push
+	P1Rebind p1Rebind
+	p1Ack    p1Ack
+	Any      []xml.Name `xml:",any"`
+}
+
+func (StreamFeatures) Name() string {
+	return "stream:features"
+}
+
+type streamFeatureDecoder struct{}
+
+var streamFeatures streamFeatureDecoder
+
+func (streamFeatureDecoder) decode(p *xml.Decoder, se xml.StartElement) (StreamFeatures, error) {
+	var packet StreamFeatures
+	err := p.DecodeElement(&packet, &se)
+	return packet, err
+}
+
+// Capabilities
+// Reference: https://xmpp.org/extensions/xep-0115.html#stream
+//    "A server MAY include its entity capabilities in a stream feature element so that connecting clients
+//     and peer servers do not need to send service discovery requests each time they connect."
+// This is not a stream feature but a way to let client cache server disco info.
+type Caps struct {
+	XMLName xml.Name `xml:"http://jabber.org/protocol/caps c"`
+	Hash    string   `xml:"hash,attr"`
+	Node    string   `xml:"node,attr"`
+	Ver     string   `xml:"ver,attr"`
+	Ext     string   `xml:"ext,attr,omitempty"`
+}
+
+// ============================================================================
+// Supported Stream Features
+
+// StartTLS feature
+// Reference: RFC 6120 - https://tools.ietf.org/html/rfc6120#section-5.4
+type TlsStartTLS struct {
+	XMLName  xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-tls starttls"`
+	Required bool
+}
+
+// UnmarshalXML implements custom parsing startTLS required flag
+func (stls *TlsStartTLS) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	stls.XMLName = start.Name
+
+	// Check subelements to extract required field as boolean
+	for {
+		t, err := d.Token()
+		if err != nil {
+			return err
+		}
+
+		switch tt := t.(type) {
+
+		case xml.StartElement:
+			elt := new(Node)
+
+			err = d.DecodeElement(elt, &tt)
+			if err != nil {
+				return err
+			}
+
+			if elt.XMLName.Local == "required" {
+				stls.Required = true
+			}
+
+		case xml.EndElement:
+			if tt == start.End() {
+				return nil
+			}
+		}
+	}
+}
+
+func (sf *StreamFeatures) DoesStartTLS() (feature TlsStartTLS, isSupported bool) {
+	if sf.StartTLS.XMLName.Space+" "+sf.StartTLS.XMLName.Local == nsTLS+" starttls" {
+		return sf.StartTLS, true
+	}
+	return feature, false
+}
+
+// Mechanisms
+// Reference: RFC 6120 - https://tools.ietf.org/html/rfc6120#section-6.4.1
+type saslMechanisms struct {
+	XMLName   xml.Name `xml:"urn:ietf:params:xml:ns:xmpp-sasl mechanisms"`
+	Mechanism []string `xml:"mechanism"`
+}
+
+// StreamManagement
+// Reference: XEP-0198 - https://xmpp.org/extensions/xep-0198.html#feature
+type streamManagement struct {
+	XMLName xml.Name `xml:"urn:xmpp:sm:3 sm"`
+}
+
+func (sf *StreamFeatures) DoesStreamManagement() (isSupported bool) {
+	if sf.StreamManagement.XMLName.Space+" "+sf.StreamManagement.XMLName.Local == "urn:xmpp:sm:3 sm" {
+		return true
+	}
+	return false
+}
+
+// P1 extensions
+// Reference: https://docs.ejabberd.im/developer/mobile/core-features/
+
+// p1:push support
+type p1Push struct {
+	XMLName xml.Name `xml:"p1:push push"`
+}
+
+// p1:rebind suppor
+type p1Rebind struct {
+	XMLName xml.Name `xml:"p1:rebind rebind"`
+}
+
+// p1:ack support
+type p1Ack struct {
+	XMLName xml.Name `xml:"p1:ack ack"`
+}
+
+// ============================================================================
+// StreamError Packet
+
+type StreamError struct {
+	XMLName xml.Name `xml:"http://etherx.jabber.org/streams error"`
+	Error   xml.Name `xml:",any"`
+	Text    string   `xml:"urn:ietf:params:xml:ns:xmpp-streams text"`
+}
+
+func (StreamError) Name() string {
+	return "stream:error"
+}
+
+type streamErrorDecoder struct{}
+
+var streamError streamErrorDecoder
+
+func (streamErrorDecoder) decode(p *xml.Decoder, se xml.StartElement) (StreamError, error) {
+	var packet StreamError
+	err := p.DecodeElement(&packet, &se)
+	return packet, err
+}
--- a/stanza/stream_features_test.go
+++ b/stanza/stream_features_test.go
--- a/stream_logger.go
+++ b/stream_logger.go
@@ -2,17 +2,16 @@ package xmpp

 import (
 	"io"
-	"os"
 )

 // Mediated Read / Write on socket
 // Used if logFile from Config is not nil
 type streamLogger struct {
 	socket  io.ReadWriter // Actual connection
-	logFile *os.File
+	logFile io.Writer
 }

-func newStreamLogger(conn io.ReadWriter, logFile *os.File) io.ReadWriter {
+func newStreamLogger(conn io.ReadWriter, logFile io.Writer) io.ReadWriter {
 	if logFile == nil {
 		return conn
 	} else {
@@ -20,21 +19,21 @@ func newStreamLogger(conn io.ReadWriter, logFile *os.File) io.ReadWriter {
 	}
 }

-func (sp *streamLogger) Read(p []byte) (n int, err error) {
-	n, err = sp.socket.Read(p)
+func (sl *streamLogger) Read(p []byte) (n int, err error) {
+	n, err = sl.socket.Read(p)
 	if n > 0 {
-		sp.logFile.Write([]byte("RECV:\n")) // Prefix
-		if n, err := sp.logFile.Write(p[:n]); err != nil {
+		sl.logFile.Write([]byte("RECV:\n")) // Prefix
+		if n, err := sl.logFile.Write(p[:n]); err != nil {
 			return n, err
 		}
-		sp.logFile.Write([]byte("\n\n")) // Separator
+		sl.logFile.Write([]byte("\n\n")) // Separator
 	}
 	return
 }

-func (sp *streamLogger) Write(p []byte) (n int, err error) {
-	sp.logFile.Write([]byte("SEND:\n")) // Prefix
-	for _, w := range []io.Writer{sp.socket, sp.logFile} {
+func (sl *streamLogger) Write(p []byte) (n int, err error) {
+	sl.logFile.Write([]byte("SEND:\n")) // Prefix
+	for _, w := range []io.Writer{sl.socket, sl.logFile} {
 		n, err = w.Write(p)
 		if err != nil {
 			return
@@ -44,7 +43,7 @@ func (sp *streamLogger) Write(p []byte) (n int, err error) {
 			return
 		}
 	}
-	sp.logFile.Write([]byte("\n\n")) // Separator
+	sl.logFile.Write([]byte("\n\n")) // Separator
 	return len(p), nil
 }

--- a/stream_manager.go
+++ b/stream_manager.go
@@ -1,6 +1,7 @@
 package xmpp

 import (
+	"context"
 	"errors"
 	"sync"
 	"time"
@@ -26,6 +27,7 @@ type StreamClient interface {
 	Connect() error
 	Resume(state SMState) error
 	Send(packet stanza.Packet) error
+	SendIQ(ctx context.Context, iq stanza.IQ) (chan stanza.IQ, error)
 	SendRaw(packet string) error
 	Disconnect()
 	SetHandler(handler EventHandler)
@@ -35,6 +37,7 @@ type StreamClient interface {
 // It is mostly use in callback to pass a limited subset of the stream client interface
 type Sender interface {
 	Send(packet stanza.Packet) error
+	SendIQ(ctx context.Context, iq stanza.IQ) (chan stanza.IQ, error)
 	SendRaw(packet string) error
 }

@@ -71,7 +74,7 @@ func (sm *StreamManager) Run() error {
 		return errors.New("missing stream client")
 	}

-	handler := func(e Event) {
+	handler := func(e Event) error {
 		switch e.State {
 		case StateConnected:
 			sm.Metrics.setConnectTime()
@@ -79,14 +82,18 @@ func (sm *StreamManager) Run() error {
 			sm.Metrics.setLoginTime()
 		case StateDisconnected:
 			// Reconnect on disconnection
-			sm.resume(e.SMState)
+			return sm.resume(e.SMState)
 		case StateStreamError:
 			sm.client.Disconnect()
 			// Only try reconnecting if we have not been kicked by another session to avoid connection loop.
+			// TODO: Make this conflict exception a permanent error
 			if e.StreamError != "conflict" {
-				sm.connect()
+				return sm.connect()
 			}
+		case StatePermanentError:
+			// Do not attempt to reconnect
 		}
+		return nil
 	}
 	sm.client.SetHandler(handler)

--- a/test.sh
+++ b/test.sh
@@ -5,7 +5,7 @@ export GO111MODULE=on
 echo "" > coverage.txt

 for d in $(go list ./... | grep -v vendor); do
-    go test -race -coverprofile=profile.out -covermode=atomic ${d}
+    go test -race -coverprofile=profile.out -covermode=atomic "${d}"
    if [ -f profile.out ]; then
        cat profile.out >> coverage.txt
        rm profile.out
--- a/transport.go
+++ b/transport.go
@@ -0,0 +1,75 @@
+package xmpp
+
+import (
+	"crypto/tls"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"io"
+	"strings"
+)
+
+var ErrTransportProtocolNotSupported = errors.New("Transport protocol not supported")
+var ErrTLSNotSupported = errors.New("Transport does not support StartTLS")
+
+// TODO: rename to transport config?
+type TransportConfiguration struct {
+	// Address is the XMPP Host and port to connect to. Host is of
+	// the form 'serverhost:port' i.e "localhost:8888"
+	Address        string
+	Domain         string
+	ConnectTimeout int // Client timeout in seconds. Default to 15
+	// tls.Config must not be modified after having been passed to NewClient. Any
+	// changes made after connecting are ignored.
+	TLSConfig     *tls.Config
+	CharsetReader func(charset string, input io.Reader) (io.Reader, error) // passed to xml decoder
+}
+
+type Transport interface {
+	Connect() (string, error)
+	DoesStartTLS() bool
+	StartTLS() error
+
+	LogTraffic(logFile io.Writer)
+
+	StartStream() (string, error)
+	GetDecoder() *xml.Decoder
+	IsSecure() bool
+
+	Ping() error
+	Read(p []byte) (n int, err error)
+	Write(p []byte) (n int, err error)
+	Close() error
+}
+
+// NewClientTransport creates a new Transport instance for clients.
+// The type of transport is determined by the address in the configuration:
+// - if the address is a URL with the `ws` or `wss` scheme WebsocketTransport is used
+// - in all other cases a XMPPTransport is used
+// For XMPPTransport it is mandatory for the address to have a port specified.
+func NewClientTransport(config TransportConfiguration) Transport {
+	if strings.HasPrefix(config.Address, "ws:") || strings.HasPrefix(config.Address, "wss:") {
+		return &WebsocketTransport{Config: config}
+	}
+
+	config.Address = ensurePort(config.Address, 5222)
+	return &XMPPTransport{
+		Config:        config,
+		openStatement: clientStreamOpen,
+	}
+}
+
+// NewComponentTransport creates a new Transport instance for components.
+// Only XMPP transports are allowed. If you try to use any other protocol an error
+// will be returned.
+func NewComponentTransport(config TransportConfiguration) (Transport, error) {
+	if strings.HasPrefix(config.Address, "ws:") || strings.HasPrefix(config.Address, "wss:") {
+		return nil, fmt.Errorf("Components only support XMPP transport: %w", ErrTransportProtocolNotSupported)
+	}
+
+	config.Address = ensurePort(config.Address, 5222)
+	return &XMPPTransport{
+		Config:        config,
+		openStatement: componentStreamOpen,
+	}, nil
+}
--- a/websocket_transport.go
+++ b/websocket_transport.go
@@ -0,0 +1,179 @@
+package xmpp
+
+import (
+	"bufio"
+	"context"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"io"
+	"strings"
+	"time"
+
+	"gosrc.io/xmpp/stanza"
+	"nhooyr.io/websocket"
+)
+
+const maxPacketSize = 32768
+
+const pingTimeout = time.Duration(5) * time.Second
+
+var ServerDoesNotSupportXmppOverWebsocket = errors.New("The websocket server does not support the xmpp subprotocol")
+
+// The decoder is expected to be initialized after connecting to a server.
+type WebsocketTransport struct {
+	Config  TransportConfiguration
+	decoder *xml.Decoder
+	wsConn  *websocket.Conn
+	queue   chan []byte
+	logFile io.Writer
+
+	closeCtx  context.Context
+	closeFunc context.CancelFunc
+}
+
+func (t *WebsocketTransport) Connect() (string, error) {
+	t.queue = make(chan []byte, 256)
+	t.closeCtx, t.closeFunc = context.WithCancel(context.Background())
+
+	var ctx context.Context
+	ctx = context.Background()
+	if t.Config.ConnectTimeout > 0 {
+		var cancelConnect context.CancelFunc
+		ctx, cancelConnect = context.WithTimeout(t.closeCtx, time.Duration(t.Config.ConnectTimeout)*time.Second)
+		defer cancelConnect()
+	}
+
+	wsConn, response, err := websocket.Dial(ctx, t.Config.Address, &websocket.DialOptions{
+		Subprotocols: []string{"xmpp"},
+	})
+	if err != nil {
+		return "", NewConnError(err, true)
+	}
+	if response.Header.Get("Sec-WebSocket-Protocol") != "xmpp" {
+		t.cleanup(websocket.StatusBadGateway)
+		return "", NewConnError(ServerDoesNotSupportXmppOverWebsocket, true)
+	}
+
+	wsConn.SetReadLimit(maxPacketSize)
+	t.wsConn = wsConn
+	t.startReader()
+
+	t.decoder = xml.NewDecoder(bufio.NewReaderSize(t, maxPacketSize))
+	t.decoder.CharsetReader = t.Config.CharsetReader
+
+	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
+// is required to allow Ping() to work: Ping requires a Reader to be running
+// to process incoming control frames.
+func (t WebsocketTransport) startReader() {
+	go func() {
+		buffer := make([]byte, maxPacketSize)
+		for {
+			_, reader, err := t.wsConn.Reader(t.closeCtx)
+			if err != nil {
+				return
+			}
+			n, err := reader.Read(buffer)
+			if err != nil && err != io.EOF {
+				return
+			}
+			if n > 0 {
+				// We need to make a copy, otherwise we will overwrite the slice content
+				// on the next iteration of the for loop.
+				tmp := make([]byte, n)
+				copy(tmp, buffer)
+				t.queue <- tmp
+			}
+		}
+	}()
+}
+
+func (t WebsocketTransport) StartTLS() error {
+	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
+}
+
+func (t WebsocketTransport) IsSecure() bool {
+	return strings.HasPrefix(t.Config.Address, "wss:")
+}
+
+func (t WebsocketTransport) Ping() error {
+	ctx, cancel := context.WithTimeout(t.closeCtx, pingTimeout)
+	defer cancel()
+	return t.wsConn.Ping(ctx)
+}
+
+func (t *WebsocketTransport) Read(p []byte) (int, error) {
+	select {
+	case <-t.closeCtx.Done():
+		return 0, t.closeCtx.Err()
+	case data := <-t.queue:
+		if t.logFile != nil && len(data) > 0 {
+			_, _ = fmt.Fprintf(t.logFile, "RECV:\n%s\n\n", data)
+		}
+		copy(p, data)
+		return len(data), nil
+	}
+}
+
+func (t WebsocketTransport) Write(p []byte) (int, error) {
+	if t.logFile != nil {
+		_, _ = fmt.Fprintf(t.logFile, "SEND:\n%s\n\n", p)
+	}
+	return len(p), t.wsConn.Write(t.closeCtx, websocket.MessageText, p)
+}
+
+func (t WebsocketTransport) Close() error {
+	t.Write([]byte("<close xmlns=\"urn:ietf:params:xml:ns:xmpp-framing\" />"))
+	return t.cleanup(websocket.StatusGoingAway)
+}
+
+func (t *WebsocketTransport) LogTraffic(logFile io.Writer) {
+	t.logFile = logFile
+}
+
+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 {
+		err = t.wsConn.Close(websocket.StatusGoingAway, "Done")
+		t.wsConn = nil
+	}
+	if t.closeFunc != nil {
+		t.closeFunc()
+		t.closeFunc = nil
+		t.closeCtx = nil
+	}
+	return err
+}
--- a/xmpp_transport.go
+++ b/xmpp_transport.go
@@ -0,0 +1,145 @@
+package xmpp
+
+import (
+	"bufio"
+	"crypto/tls"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"time"
+
+	"gosrc.io/xmpp/stanza"
+)
+
+// XMPPTransport implements the XMPP native TCP transport
+// The decoder is expected to be initialized after connecting to a server.
+type XMPPTransport struct {
+	openStatement string
+	Config        TransportConfiguration
+	TLSConfig     *tls.Config
+	decoder       *xml.Decoder
+	conn          net.Conn
+	readWriter    io.ReadWriter
+	logFile       io.Writer
+	isSecure      bool
+}
+
+var componentStreamOpen = fmt.Sprintf("<?xml version='1.0'?><stream:stream to='%%s' xmlns='%s' xmlns:stream='%s'>", stanza.NSComponent, stanza.NSStream)
+
+var clientStreamOpen = fmt.Sprintf("<?xml version='1.0'?><stream:stream to='%%s' xmlns='%s' xmlns:stream='%s' version='1.0'>", stanza.NSClient, stanza.NSStream)
+
+func (t *XMPPTransport) Connect() (string, error) {
+	var err error
+
+	t.conn, err = net.DialTimeout("tcp", t.Config.Address, time.Duration(t.Config.ConnectTimeout)*time.Second)
+	if err != nil {
+		return "", NewConnError(err, true)
+	}
+
+	t.readWriter = newStreamLogger(t.conn, t.logFile)
+	t.decoder = xml.NewDecoder(bufio.NewReaderSize(t.readWriter, maxPacketSize))
+	t.decoder.CharsetReader = t.Config.CharsetReader
+	return t.StartStream()
+}
+
+func (t XMPPTransport) StartStream() (string, error) {
+	if _, err := fmt.Fprintf(t, t.openStatement, t.Config.Domain); err != nil {
+		t.Close()
+		return "", NewConnError(err, true)
+	}
+
+	sessionID, err := stanza.InitStream(t.GetDecoder())
+	if err != nil {
+		t.Close()
+		return "", NewConnError(err, false)
+	}
+	return sessionID, nil
+}
+
+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
+}
+
+func (t XMPPTransport) IsSecure() bool {
+	return t.isSecure
+}
+
+func (t *XMPPTransport) StartTLS() error {
+	if t.Config.TLSConfig == nil {
+		t.TLSConfig = &tls.Config{}
+	} else {
+		t.TLSConfig = t.Config.TLSConfig.Clone()
+	}
+
+	if t.TLSConfig.ServerName == "" {
+		t.TLSConfig.ServerName = t.Config.Domain
+	}
+	tlsConn := tls.Client(t.conn, t.TLSConfig)
+	// We convert existing connection to TLS
+	if err := tlsConn.Handshake(); err != nil {
+		return err
+	}
+
+	t.conn = tlsConn
+	t.readWriter = newStreamLogger(tlsConn, t.logFile)
+	t.decoder = xml.NewDecoder(bufio.NewReaderSize(t.readWriter, maxPacketSize))
+	t.decoder.CharsetReader = t.Config.CharsetReader
+
+	if !t.TLSConfig.InsecureSkipVerify {
+		if err := tlsConn.VerifyHostname(t.Config.Domain); err != nil {
+			return err
+		}
+	}
+
+	t.isSecure = true
+	return nil
+}
+
+func (t XMPPTransport) Ping() error {
+	n, err := t.conn.Write([]byte("\n"))
+	if err != nil {
+		return err
+	}
+	if n != 1 {
+		return errors.New("Could not write ping")
+	}
+	return nil
+}
+
+func (t XMPPTransport) Read(p []byte) (n int, err error) {
+	if t.readWriter == nil {
+		return 0, errors.New("cannot read: not connected, no readwriter")
+	}
+	return t.readWriter.Read(p)
+}
+
+func (t XMPPTransport) Write(p []byte) (n int, err error) {
+	if t.readWriter == nil {
+		return 0, errors.New("cannot write: not connected, no readwriter")
+	}
+	return t.readWriter.Write(p)
+}
+
+func (t XMPPTransport) Close() error {
+	if t.readWriter != nil {
+		_, _ = t.readWriter.Write([]byte("</stream:stream>"))
+	}
+	if t.conn != nil {
+		return t.conn.Close()
+	}
+	return nil
+}
+
+func (t *XMPPTransport) LogTraffic(logFile io.Writer) {
+	t.logFile = logFile
+}
Author	SHA1	Message	Date
Jerome Sautret	3b84cb796e	Add 0.3.0 changelog	2019-11-28 17:39:10 +01:00
remicorniere	1822089db6	Tests for Component and code style fixes (#129 ) * Tests for Component and code style fixes	2019-11-28 17:15:15 +01:00
remicorniere	7d89353156	Fix SIGSEGV in xmpp_component (#126 ) * SIGSEGV in xmpp_component example with Prosody #126	2019-11-22 15:07:40 +01:00
Mickael Remond	6aa1e668ee	Fix issues after refactor Relates to #126	2019-11-08 12:07:55 +01:00
Mickael Remond	47976624c9	Preparing v0.2.0 Changelog before version release	2019-11-04 16:48:48 +01:00
Mickael Remond	4efde692a2	Add placeholder in README for routing packets and get IQ responses	2019-11-04 16:36:45 +01:00
Mickael Remond	08878ed4a2	Update go.sum file	2019-11-04 16:32:59 +01:00
Mickael Remond	ce05c3226c	Fix failing tests	2019-11-04 16:32:29 +01:00
Mickael Remond	3e94880916	Merge branch 'master' of https://github.com/FluuxIO/go-xmpp	2019-11-04 16:25:07 +01:00
Wichert Akkerman	eda5c23c54	Add SendIQ to StreamClient and Sender This makes it possible to use SendIQ from PostConnect and route handlers.	2019-11-04 16:22:05 +01:00
Wichert Akkerman	a0e74051fd	Use a channel based API for SendIQ This makes sending IQ more idiomatic Go, but more importantly it solves a problem with contexts that were not being cancelled correctly with the previous API. As a side-effect of this change `Route.route` must now be invoked in a go-routine to prevent deadlocks. This also allows for stanzas to be processed in parallel, which can result in a nice performance win.	2019-11-04 16:22:05 +01:00
Wichert Akkerman	83bc8581fd	Cleanup the IQ result route API Simplify the API in several ways: - provide the context to the IQ result handler, making it possible to pass in extra context and handle timeouts within the handler. - pass the stanza in as an IQ type, removing the need to always type-cast it in the handler - remove Router.HandleIqResult and Router.HandleFuncIqResult. Since the router is private to Client nobody would ever use these, and they do not really make things simpler anyway.	2019-11-04 16:22:05 +01:00
Wichert Akkerman	8088e3fa7e	Add Client.SendIQ method	2019-11-04 16:22:05 +01:00
Wichert Akkerman	070934743f	Add tests for iq result routes	2019-11-04 16:22:05 +01:00
Wichert Akkerman	6a25856e85	We need to lock isResultRoutes The map is updated from multiple goroutines, so it needs to be locked.	2019-11-04 16:22:05 +01:00
Wichert Akkerman	8e1dac6ffa	Add IQ result routes to the Router These are used to quickly match IQ result stanzas and invoke a handler for them. IQ result routes take precendence of normal routes.	2019-11-04 16:22:05 +01:00
Wichert Akkerman	21f6a549db	Always add an id to IQ queries	2019-11-04 16:22:05 +01:00
Mickael Remond	1d7db9ceee	Comments clean-up	2019-11-04 12:58:10 +01:00
Wichert Akkerman	0227596f90	Increase size of XML decoder internal buffers Since a transport (and a streamlogger) does not implement io.ByteReader xml.Decoder wraps it using `bufio.NewReader(transport)` so it can easily read bytes one at a time. This has the unfortuante effect of resulting in a panic if we try to parse a stanza that is larger than the default buffer size of 4096 bytes. To fix this we wrap the transport using `bufio.NewReaderSize()` with a much larger buffer size.	2019-11-04 09:58:04 +01:00
Mickael Remond	ebb6e845bf	Update requirements to go1.13 as required by new websockets dependencies	2019-10-29 14:52:31 +01:00
Mickael Remond	a16483397d	Update test platform to go1.13	2019-10-29 14:47:04 +01:00
Mickael Remond	ef2c0b465e	Update examples	2019-10-29 14:39:58 +01:00
Wichert Akkerman	2f8ec7b36f	Only try startTls if the connection is not secure	2019-10-28 16:38:10 +01:00
Wichert Akkerman	6da1962962	Correctly open new streams after StartTLS and auth	2019-10-28 16:38:10 +01:00
Wichert Akkerman	33446ad0ba	Create a new stream after StartTLS	2019-10-28 16:38:10 +01:00
Wichert Akkerman	390f9b065e	Replace readWriter and decoder after StartTLS	2019-10-28 16:38:10 +01:00
Wichert Akkerman	60e2cdd088	Close the transport if NewSession fails The makes sure we always send the `</stream:stream>` or `<close/>` correctly.	2019-10-28 16:38:10 +01:00
Wichert Akkerman	a6709a1f71	Do not try to create a stream logger before we have a net.Conn	2019-10-28 16:38:10 +01:00
Wichert Akkerman	38bdcaec36	Do not copy more bytes than were read	2019-10-28 16:38:10 +01:00
Wichert Akkerman	ffadd331dd	Add a go function to always read websockets Websocket need to have a Reader running at all times in order to allow Ping to work (because a Reader is the only thing that will correctly handle control frames). To faciliate this a go function is introduced that will always read from the websocket until it is cancelled. Read data is passed to the transport via a channel.	2019-10-28 16:38:10 +01:00
Wichert Akkerman	92329b48e6	Transports need to handle open/close stanzas XMPP and WebSocket transports require different open and close stanzas. To handle this the responsibility handling those and creating the XML decoder is moved to the Transport.	2019-10-28 16:38:10 +01:00
Wichert Akkerman	25fd476328	Negotiate xmpp websocket subprotocol	2019-10-28 16:38:10 +01:00
Wichert Akkerman	36e153f981	Allow transports to define their own ping mechanism	2019-10-28 16:38:10 +01:00
Wichert Akkerman	d0f2b492ac	Fix XMPP TLS config	2019-10-28 16:38:10 +01:00
Wichert Akkerman	87ff01ac68	Fix websocket connect timeout	2019-10-28 16:38:10 +01:00
Wichert Akkerman	01d78a1e5c	Fix error result from Transport.Connect errors	2019-10-28 16:38:10 +01:00
Wichert Akkerman	8fb3e33a1f	Only do ensurePort for XMPP transport If we always do this the address gets mangled, breaking the transport selection.	2019-10-28 16:38:10 +01:00
Wichert Akkerman	a189748b9c	Fix test for ws connection	2019-10-28 16:38:10 +01:00
Wichert Akkerman	06a76160c8	Use transport factory function	2019-10-28 16:38:10 +01:00
Wichert Akkerman	8db608ccc1	Add IsSecure() to Transport	2019-10-28 16:38:10 +01:00
Wichert Akkerman	7fa4b06705	Move address into transport config This makes it possible to use a factory function to create a transport of the right type and not having to repeat the address when calling Transport.Connect()	2019-10-28 16:38:10 +01:00
Wichert Akkerman	f8d0e99696	Move XMPP transport to separate file	2019-10-28 16:38:10 +01:00
Wichert Akkerman	e97d290e2b	Use Transport in Component	2019-10-28 16:38:10 +01:00
Wichert Akkerman	96fccbd399	Split out TransportConfiguration This allows using the same transport configuration from both clients and components.	2019-10-28 16:38:10 +01:00
Wichert Akkerman	66e219844b	Add a websocket transport	2019-10-28 16:38:10 +01:00
Wichert Akkerman	a3c62e515e	Introduce Transport interface	2019-10-28 16:38:10 +01:00
Mickael Remond	2781563ea7	Update go.sum file	2019-10-01 11:40:31 +02:00
Mickael Remond	4f68c5eee2	Add X-OAUTH2 authentication and example	2019-10-01 11:40:31 +02:00
Mickael Remond	9c8353d081	Introduce Credential structure to define auth type For now we are planning to support Password and OAuthToken. In the future, we would like to add certificate-based authentication.	2019-10-01 11:40:31 +02:00