154 lines
4 KiB
Go
154 lines
4 KiB
Go
package xmpp
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import (
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"encoding/xml"
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"errors"
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"fmt"
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"net"
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"testing"
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"time"
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)
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const (
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// Default port is not standard XMPP port to avoid interfering
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// with local running XMPP server
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testXMPPAddress = "localhost:15222"
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defaultTimeout = 2 * time.Second
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)
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func TestClient_Connect(t *testing.T) {
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// Setup Mock server
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mock := ServerMock{}
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mock.Start(t, testXMPPAddress, handlerConnectSuccess)
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// Test / Check result
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options := Options{Address: testXMPPAddress, Jid: "test@localhost", Password: "test"}
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var client *Client
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var err error
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if client, err = NewClient(options); err != nil {
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t.Errorf("connect create XMPP client: %s", err)
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}
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if _, err = client.Connect(); err != nil {
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t.Errorf("XMPP connection failed: %s", err)
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}
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mock.Stop()
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}
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//=============================================================================
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// Basic XMPP Server Mock Handlers.
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const serverStreamOpen = "<?xml version='1.0'?><stream:stream to='%s' id='%s' xmlns='%s' xmlns:stream='%s' version='1.0'>"
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func handlerConnectSuccess(t *testing.T, c net.Conn) {
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decoder := xml.NewDecoder(c)
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checkOpenStream(t, c, decoder)
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sendStreamFeatures(t, c, decoder) // Send initial features
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readAuth(t, decoder)
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fmt.Fprintln(c, "<success xmlns=\"urn:ietf:params:xml:ns:xmpp-sasl\"/>")
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checkOpenStream(t, c, decoder) // Reset stream
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sendBindFeature(t, c, decoder) // Send post auth features
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bind(t, c, decoder)
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}
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func checkOpenStream(t *testing.T, c net.Conn, decoder *xml.Decoder) {
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c.SetDeadline(time.Now().Add(defaultTimeout))
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defer c.SetDeadline(time.Time{})
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for { // TODO clean up. That for loop is not elegant and I prefer bounded recursion.
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var token xml.Token
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token, err := decoder.Token()
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if err != nil {
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t.Errorf("cannot read next token: %s", err)
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}
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switch elem := token.(type) {
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// Wait for first startElement
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case xml.StartElement:
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if elem.Name.Space != NSStream || elem.Name.Local != "stream" {
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err = errors.New("xmpp: expected <stream> but got <" + elem.Name.Local + "> in " + elem.Name.Space)
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return
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}
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if _, err := fmt.Fprintf(c, serverStreamOpen, "localhost", "streamid1", NSClient, NSStream); err != nil {
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t.Errorf("cannot write server stream open: %s", err)
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}
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return
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}
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}
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}
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func sendStreamFeatures(t *testing.T, c net.Conn, _ *xml.Decoder) {
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// This is a basic server, supporting only 1 stream feature: SASL Plain Auth
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features := `<stream:features>
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<mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl">
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<mechanism>PLAIN</mechanism>
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</mechanisms>
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</stream:features>`
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if _, err := fmt.Fprintln(c, features); err != nil {
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t.Errorf("cannot send stream feature: %s", err)
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}
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}
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// TODO return err in case of error reading the auth params
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func readAuth(t *testing.T, decoder *xml.Decoder) string {
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se, err := nextStart(decoder)
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if err != nil {
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t.Errorf("cannot read auth: %s", err)
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return ""
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}
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var nv interface{}
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nv = &auth{}
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// Decode element into pointer storage
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if err = decoder.DecodeElement(nv, &se); err != nil {
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t.Errorf("cannot decode auth: %s", err)
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return ""
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}
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switch v := nv.(type) {
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case *auth:
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return v.Value
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}
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return ""
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}
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func sendBindFeature(t *testing.T, c net.Conn, _ *xml.Decoder) {
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// This is a basic server, supporting only 1 stream feature: SASL Plain Auth
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features := `<stream:features>
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<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'/>
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</stream:features>`
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if _, err := fmt.Fprintln(c, features); err != nil {
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t.Errorf("cannot send stream feature: %s", err)
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}
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}
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func bind(t *testing.T, c net.Conn, decoder *xml.Decoder) {
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se, err := nextStart(decoder)
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if err != nil {
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t.Errorf("cannot read bind: %s", err)
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return
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}
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iq := &ClientIQ{}
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// Decode element into pointer storage
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if err = decoder.DecodeElement(&iq, &se); err != nil {
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t.Errorf("cannot decode bind iq: %s", err)
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return
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}
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switch iq.Payload.(type) {
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case *bindBind:
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result := `<iq id='%s' type='result'>
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<bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'>
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<jid>%s</jid>
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</bind>
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</iq>`
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fmt.Fprintf(c, result, iq.Id, "test@localhost/test") // TODO use real JID
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}
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}
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