func req(s string) *http.Request {
req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(s)))
if err != nil {
panic(fmt.Sprintf("bad request in test: %q (error: %v)", req, err))
}
return req
}
func TestHybiServerHandshakeHybiBadVersion(t *testing.T) {
config := new(Config)
handshaker := &hybiServerHandshaker{Config: config}
br := bufio.NewReader(strings.NewReader(`GET /chat HTTP/1.1
Host: server.example.com
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
Sec-WebSocket-Origin: http://example.com
Sec-WebSocket-Protocol: chat, superchat
Sec-WebSocket-Version: 9
`))
req, err := http.ReadRequest(br)
if err != nil {
t.Fatal("request", err)
}
code, err := handshaker.ReadHandshake(br, req)
if err != ErrBadWebSocketVersion {
t.Errorf("handshake expected err %q but got %q", ErrBadWebSocketVersion, err)
}
if code != http.StatusBadRequest {
t.Errorf("status expected %q but got %q", http.StatusBadRequest, code)
}
}
// Attempt to extract an HTTP request from the packet and serialise with the
// provided encoder.
func SerialisePacket(pkt *pcap.Packet, enc *json.Encoder) {
// TODO: serialise packet details for non-HTTP packets
// TODO: naively assumes requests are contained in a single packet and
// HTTP verbs are not otherwise contained in a request
// rfc 2616
httpMethods := [...]string{"OPTIONS", "GET", "HEAD", "POST", "PUT", "DELETE", "TRACE", "CONNECT"}
// TODO: IPv6
if hdr, ok := pkt.Headers[0].(*pcap.Iphdr); ok {
if tcpHdr, ok := pkt.Headers[1].(*pcap.Tcphdr); ok {
// TODO: Consider peeking at other ports
if tcpHdr.DestPort == 80 {
pktString := PacketAsString(pkt)
for _, verb := range httpMethods {
if strings.Contains(pktString, verb) {
unparsedReqs := strings.Split(pktString, verb)
for _, unparsed := range unparsedReqs {
req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(verb + unparsed)))
// TODO: serialise details of packets we fail to parse
if err == nil {
rp := RequestPacket{hdr.SrcAddr(), hdr.DestAddr(), tcpHdr.SrcPort, tcpHdr.DestPort, pkt.TimeString(), tcpHdr.FlagsString(), req}
enc.Encode(rp)
}
}
}
}
}
out.Flush()
}
}
}
func pipeRequestResponse(server, client net.Conn) os.Error {
// Read request from wire
req, err := http.ReadRequest(bufio.NewReader(client))
if err != nil {
return err
}
rawReq, err := http.DumpRequest(req, true)
if err != nil {
return err
}
// forward it on
server.Write(rawReq)
// Read response from wire
resp, err := http.ReadResponse(bufio.NewReader(server), req)
if err != nil {
return err
}
rawResp, err := http.DumpResponse(resp, true)
if err != nil {
return err
}
log.Printf("%s %s [%s]", req.Method, req.RawURL, resp.Status)
// forward it on
client.Write(rawResp)
return nil
}
func TestURL(t *testing.T) {
for _, ex := range examples {
req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(ex.request)))
if err != nil {
t.Error(err)
}
if len(req.Header) > 1 {
// Only works on requests without any headers
// Host header has been removed
continue
}
date := req.Header.Get("Date")
url, err := http.ParseURL("http://" + req.Host + req.URL.RawPath)
if err != nil {
t.Error(err)
}
signed, err := URL(url, AWSAccessKeyId, AWSSecretAccessKey, req.Method, date)
if err != nil {
t.Error(err)
}
// Fudge a bit on this test. The date should be in Unix timestamp
// but we can only compare against known signatures for now so use
// the existing date.
if auth := addAuth(url.Raw, ex.auth, date); auth != signed.Raw {
t.Error("Fail URL:", ex.name, "got:", signed.Raw, "want:", auth, "headers:", len(req.Header))
}
}
}
func newRequest(httpreq string) *http.Request {
buf := bufio.NewReader(strings.NewReader(httpreq))
req, err := http.ReadRequest(buf)
if err != nil {
panic("cgi: bogus http request in test: " + httpreq)
}
req.RemoteAddr = "1.2.3.4"
return req
}
func (srv *Server) handler(c net.Conn) {
startTime := time.Nanoseconds()
defer srv.connectionFinished(c)
buf, err := bufio.NewReaderSize(c, 8192)
if err != nil {
Error("%s Read buffer fail: %v", srv.serverLogPrefix(), err)
return
}
var req *http.Request
// no keepalive (for now)
reqCount := 0
keepAlive := true
for err == nil && keepAlive {
if req, err = http.ReadRequest(buf); err == nil {
if req.Header.Get("Connection") != "Keep-Alive" {
keepAlive = false
}
request := newRequest(req, c, startTime)
reqCount++
var res *http.Response
pssInit := new(PipelineStageStat)
pssInit.Name = "server.Init"
pssInit.StartTime = startTime
pssInit.EndTime = time.Nanoseconds()
request.appendPipelineStage(pssInit)
// execute the pipeline
if res = srv.Pipeline.execute(request); res == nil {
res = SimpleResponse(req, 404, nil, "Not Found")
}
// cleanup
request.startPipelineStage("server.ResponseWrite")
req.Body.Close()
wbuf := bufio.NewWriter(c)
res.Write(wbuf)
wbuf.Flush()
if res.Body != nil {
res.Body.Close()
}
request.finishPipelineStage()
request.finishRequest()
srv.requestFinished(request)
} else {
// EOF is socket closed
if err != io.ErrUnexpectedEOF {
Error("%s %v ERROR reading request: %v", srv.serverLogPrefix(), c.RemoteAddr(), err)
}
}
}
//Debug("%s Processed %v requests on connection %v", srv.serverLogPrefix(), reqCount, c.RemoteAddr())
}
func TestAuthorize(t *testing.T) {
for _, ex := range examples {
req, err := http.ReadRequest(bufio.NewReader(strings.NewReader(ex.request)))
if err != nil {
t.Error(err)
}
Authorize(req, AWSAccessKeyId, AWSSecretAccessKey)
if auth := req.Header.Get("Authorization"); auth != ex.auth {
toSign := StringToSign(req.Method, req.URL, req.Header, "")
t.Error("Fail Authorize:", ex.name, "got:", auth, "want:", ex.auth, "url:", req.URL.Host, "host:", req.Host, "string:", toSign)
}
}
}
// Test the hybiServerHandshaker supports firefox implementation and
// checks Connection request header include (but it's not necessary
// equal to) "upgrade"
func TestHybiServerFirefoxHandshake(t *testing.T) {
config := new(Config)
handshaker := &hybiServerHandshaker{Config: config}
br := bufio.NewReader(strings.NewReader(`GET /chat HTTP/1.1
Host: server.example.com
Upgrade: websocket
Connection: keep-alive, upgrade
Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
Origin: http://example.com
Sec-WebSocket-Protocol: chat, superchat
Sec-WebSocket-Version: 13
`))
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)
config.Protocol = []string{"chat"}
err = handshaker.AcceptHandshake(bw)
if err != nil {
t.Errorf("handshake response failed: %v", err)
}
expectedResponse := strings.Join([]string{
"HTTP/1.1 101 Switching Protocols",
"Upgrade: websocket",
"Connection: Upgrade",
"Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=",
"Sec-WebSocket-Protocol: chat",
"", ""}, "\r\n")
if b.String() != expectedResponse {
t.Errorf("handshake expected %q but got %q", expectedResponse, b.String())
}
}
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 TestHybiClientHandshakeHybi08(t *testing.T) {
b := bytes.NewBuffer([]byte{})
bw := bufio.NewWriter(b)
br := bufio.NewReader(strings.NewReader(`HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=
Sec-WebSocket-Protocol: chat
`))
var err os.Error
config := new(Config)
config.Location, err = url.ParseRequest("ws://server.example.com/chat")
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, "chat")
config.Protocol = append(config.Protocol, "superchat")
config.Version = ProtocolVersionHybi08
config.handshakeData = map[string]string{
"key": "dGhlIHNhbXBsZSBub25jZQ==",
}
err = hybiClientHandshake(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 != "/chat" {
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 != "server.example.com" {
t.Errorf("request Host expected example.com, but got %v", req.Host)
}
var expectedHeader = map[string]string{
"Connection": "Upgrade",
"Upgrade": "websocket",
"Sec-Websocket-Key": config.handshakeData["key"],
"Sec-Websocket-Origin": config.Origin.String(),
"Sec-Websocket-Protocol": "chat, superchat",
"Sec-Websocket-Version": fmt.Sprintf("%d", ProtocolVersionHybi08),
}
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 TestCall(t *testing.T) {
s := NewServer()
s.Register(new(TestService))
for i, test := range tests {
str := "POST /json HTTP/1.1\nContent-Length: " + strconv.Itoa(len(test.req)) + "\n\n" + test.req
r := bufio.NewReader(strings.NewReader(str))
req, _ := http.ReadRequest(r)
b := bytes.NewBuffer([]byte{})
w := &TestResponseWriter{buffer: b, header: make(http.Header)}
s.ServeHTTP(w, req)
resp := new(jsonResponse)
json.Unmarshal(b.Bytes(), resp)
if test.error != nil {
if resp.Error == nil {
t.Error("Test", i, "Error not present")
t.Fail()
return
} else {
if test.error.(string) != resp.Error.(string) {
t.Error("Test", i, resp.Error.(string))
t.Fail()
return
}
}
} else {
if resp.Error != nil {
t.Error("Test", i, resp.Error.(string))
t.Fail()
return
}
}
if test.resp == nil && resp.Result == nil {
continue
}
switch test.resp.(type) {
case float64:
if fValue, ok := resp.Result.(float64); !ok || fValue != test.resp.(float64) {
t.Error("Test", i, "Did not match float")
t.Fail()
return
}
case int:
if iValue, ok := resp.Result.(int); !ok || iValue != test.resp.(int) {
t.Error("Test", i, "Did not match int")
t.Fail()
return
}
case bool:
if bValue, ok := resp.Result.(bool); !ok || bValue != test.resp.(bool) {
t.Error("Test", i, "Did not match bool")
t.Fail()
return
}
case string:
if sValue, ok := resp.Result.(string); !ok || sValue != test.resp.(string) {
t.Error("Test", i, "Did not match string")
t.Fail()
return
}
case map[string]interface{}:
mapValue, ok := resp.Result.(map[string]interface{})
if !ok {
t.Error("Test", i, "Result was not a map[string]interface{}")
t.Fail()
return
}
mapResult := test.resp.(map[string]interface{})
if mapValue["x"].(string) != mapResult["x"].(string) || int(mapValue["y"].(float64)) != mapResult["y"].(int) {
t.Error("Test", i, "Did not match object")
t.Fail()
return
}
default:
t.Error("Test", i, "Unknown result")
t.Fail()
return
}
}
}
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 os.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)))
}
}
}
