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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package websocket
import (
"bufio"
"bytes"
"fmt"
"io"
"net/http"
"net/url"
"strings"
"testing"
)
// Test the getChallengeResponse function with values from section
// 5.1 of the specification steps 18, 26, and 43 from
// http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-00
func TestHixie76Challenge(t *testing.T) {
var part1 uint32 = 777007543
var part2 uint32 = 114997259
key3 := []byte{0x47, 0x30, 0x22, 0x2D, 0x5A, 0x3F, 0x47, 0x58}
expected := []byte("0st3Rl&q-2ZU^weu")
response, err := getChallengeResponse(part1, part2, key3)
if err != nil {
t.Errorf("getChallengeResponse: returned error %v", err)
return
}
if !bytes.Equal(expected, response) {
t.Errorf("getChallengeResponse: expected %q got %q", expected, response)
}
}
func TestHixie76ClientHandshake(t *testing.T) {
b := bytes.NewBuffer([]byte{})
bw := bufio.NewWriter(b)
br := bufio.NewReader(strings.NewReader(`HTTP/1.1 101 WebSocket Protocol Handshake
Upgrade: WebSocket
Connection: Upgrade
Sec-WebSocket-Origin: http://example.com
Sec-WebSocket-Location: ws://example.com/demo
Sec-WebSocket-Protocol: sample
8jKS'y:G*Co,Wxa-`))
var err error
config := new(Config)
config.Location, err = url.ParseRequest("ws://example.com/demo")
if err != nil {
t.Fatal("location url", err)
}
config.Origin, err = url.ParseRequest("http://example.com")
if err != nil {
t.Fatal("origin url", err)
}
config.Protocol = append(config.Protocol, "sample")
config.Version = ProtocolVersionHixie76
config.handshakeData = map[string]string{
"key1": "4 @1 46546xW%0l 1 5",
"number1": "829309203",
"key2": "12998 5 Y3 1 .P00",
"number2": "259970620",
"key3": "^n:ds[4U",
}
err = hixie76ClientHandshake(config, br, bw)
if err != nil {
t.Errorf("handshake failed: %v", err)
}
req, err := http.ReadRequest(bufio.NewReader(b))
if err != nil {
t.Fatalf("read request: %v", err)
}
if req.Method != "GET" {
t.Errorf("request method expected GET, but got %q", req.Method)
}
if req.URL.Path != "/demo" {
t.Errorf("request path expected /demo, but got %q", req.URL.Path)
}
if req.Proto != "HTTP/1.1" {
t.Errorf("request proto expected HTTP/1.1, but got %q", req.Proto)
}
if req.Host != "example.com" {
t.Errorf("request Host expected example.com, but got %v", req.Host)
}
var expectedHeader = map[string]string{
"Connection": "Upgrade",
"Upgrade": "WebSocket",
"Origin": "http://example.com",
"Sec-Websocket-Key1": config.handshakeData["key1"],
"Sec-Websocket-Key2": config.handshakeData["key2"],
"Sec-WebSocket-Protocol": config.Protocol[0],
}
for k, v := range expectedHeader {
if req.Header.Get(k) != v {
t.Errorf(fmt.Sprintf("%s expected %q but got %q", k, v, req.Header.Get(k)))
}
}
}
func TestHixie76ServerHandshake(t *testing.T) {
config := new(Config)
handshaker := &hixie76ServerHandshaker{Config: config}
br := bufio.NewReader(strings.NewReader(`GET /demo HTTP/1.1
Host: example.com
Connection: Upgrade
Sec-WebSocket-Key2: 12998 5 Y3 1 .P00
Sec-WebSocket-Protocol: sample
Upgrade: WebSocket
Sec-WebSocket-Key1: 4 @1 46546xW%0l 1 5
Origin: http://example.com
^n:ds[4U`))
req, err := http.ReadRequest(br)
if err != nil {
t.Fatal("request", err)
}
code, err := handshaker.ReadHandshake(br, req)
if err != nil {
t.Errorf("handshake failed: %v", err)
}
if code != http.StatusSwitchingProtocols {
t.Errorf("status expected %q but got %q", http.StatusSwitchingProtocols, code)
}
b := bytes.NewBuffer([]byte{})
bw := bufio.NewWriter(b)
err = handshaker.AcceptHandshake(bw)
if err != nil {
t.Errorf("handshake response failed: %v", err)
}
expectedResponse := strings.Join([]string{
"HTTP/1.1 101 WebSocket Protocol Handshake",
"Upgrade: WebSocket",
"Connection: Upgrade",
"Sec-WebSocket-Origin: http://example.com",
"Sec-WebSocket-Location: ws://example.com/demo",
"Sec-WebSocket-Protocol: sample",
"", ""}, "\r\n") + "8jKS'y:G*Co,Wxa-"
if b.String() != expectedResponse {
t.Errorf("handshake expected %q but got %q", expectedResponse, b.String())
}
}
func TestHixie76SkipLengthFrame(t *testing.T) {
b := []byte{'\x80', '\x01', 'x', 0, 'h', 'e', 'l', 'l', 'o', '\xff'}
buf := bytes.NewBuffer(b)
br := bufio.NewReader(buf)
bw := bufio.NewWriter(buf)
config := newConfig(t, "/")
ws := newHixieConn(config, bufio.NewReadWriter(br, bw), nil, nil)
msg := make([]byte, 5)
n, err := ws.Read(msg)
if err != nil {
t.Errorf("Read: %v", err)
}
if !bytes.Equal(b[4:9], msg[0:n]) {
t.Errorf("Read: expected %q got %q", b[4:9], msg[0:n])
}
}
func TestHixie76SkipNoUTF8Frame(t *testing.T) {
b := []byte{'\x01', 'n', '\xff', 0, 'h', 'e', 'l', 'l', 'o', '\xff'}
buf := bytes.NewBuffer(b)
br := bufio.NewReader(buf)
bw := bufio.NewWriter(buf)
config := newConfig(t, "/")
ws := newHixieConn(config, bufio.NewReadWriter(br, bw), nil, nil)
msg := make([]byte, 5)
n, err := ws.Read(msg)
if err != nil {
t.Errorf("Read: %v", err)
}
if !bytes.Equal(b[4:9], msg[0:n]) {
t.Errorf("Read: expected %q got %q", b[4:9], msg[0:n])
}
}
func TestHixie76ClosingFrame(t *testing.T) {
b := []byte{0, 'h', 'e', 'l', 'l', 'o', '\xff'}
buf := bytes.NewBuffer(b)
br := bufio.NewReader(buf)
bw := bufio.NewWriter(buf)
config := newConfig(t, "/")
ws := newHixieConn(config, bufio.NewReadWriter(br, bw), nil, nil)
msg := make([]byte, 5)
n, err := ws.Read(msg)
if err != nil {
t.Errorf("read: %v", err)
}
if !bytes.Equal(b[1:6], msg[0:n]) {
t.Errorf("Read: expected %q got %q", b[1:6], msg[0:n])
}
n, err = ws.Read(msg)
if err != io.EOF {
t.Errorf("read: %v", err)
}
}
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