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path: root/vendor/golang.org/x/net/http2/server_test.go
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-rw-r--r--vendor/golang.org/x/net/http2/server_test.go3888
1 files changed, 0 insertions, 3888 deletions
diff --git a/vendor/golang.org/x/net/http2/server_test.go b/vendor/golang.org/x/net/http2/server_test.go
deleted file mode 100644
index 6a27c47..0000000
--- a/vendor/golang.org/x/net/http2/server_test.go
+++ /dev/null
@@ -1,3888 +0,0 @@
-// Copyright 2014 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 http2
-
-import (
- "bytes"
- "crypto/tls"
- "errors"
- "flag"
- "fmt"
- "io"
- "io/ioutil"
- "log"
- "net"
- "net/http"
- "net/http/httptest"
- "os"
- "os/exec"
- "reflect"
- "runtime"
- "strconv"
- "strings"
- "sync"
- "sync/atomic"
- "testing"
- "time"
-
- "golang.org/x/net/http2/hpack"
-)
-
-var stderrVerbose = flag.Bool("stderr_verbose", false, "Mirror verbosity to stderr, unbuffered")
-
-func stderrv() io.Writer {
- if *stderrVerbose {
- return os.Stderr
- }
-
- return ioutil.Discard
-}
-
-type serverTester struct {
- cc net.Conn // client conn
- t testing.TB
- ts *httptest.Server
- fr *Framer
- serverLogBuf bytes.Buffer // logger for httptest.Server
- logFilter []string // substrings to filter out
- scMu sync.Mutex // guards sc
- sc *serverConn
- hpackDec *hpack.Decoder
- decodedHeaders [][2]string
-
- // If http2debug!=2, then we capture Frame debug logs that will be written
- // to t.Log after a test fails. The read and write logs use separate locks
- // and buffers so we don't accidentally introduce synchronization between
- // the read and write goroutines, which may hide data races.
- frameReadLogMu sync.Mutex
- frameReadLogBuf bytes.Buffer
- frameWriteLogMu sync.Mutex
- frameWriteLogBuf bytes.Buffer
-
- // writing headers:
- headerBuf bytes.Buffer
- hpackEnc *hpack.Encoder
-}
-
-func init() {
- testHookOnPanicMu = new(sync.Mutex)
- goAwayTimeout = 25 * time.Millisecond
-}
-
-func resetHooks() {
- testHookOnPanicMu.Lock()
- testHookOnPanic = nil
- testHookOnPanicMu.Unlock()
-}
-
-type serverTesterOpt string
-
-var optOnlyServer = serverTesterOpt("only_server")
-var optQuiet = serverTesterOpt("quiet_logging")
-var optFramerReuseFrames = serverTesterOpt("frame_reuse_frames")
-
-func newServerTester(t testing.TB, handler http.HandlerFunc, opts ...interface{}) *serverTester {
- resetHooks()
-
- ts := httptest.NewUnstartedServer(handler)
-
- tlsConfig := &tls.Config{
- InsecureSkipVerify: true,
- NextProtos: []string{NextProtoTLS},
- }
-
- var onlyServer, quiet, framerReuseFrames bool
- h2server := new(Server)
- for _, opt := range opts {
- switch v := opt.(type) {
- case func(*tls.Config):
- v(tlsConfig)
- case func(*httptest.Server):
- v(ts)
- case func(*Server):
- v(h2server)
- case serverTesterOpt:
- switch v {
- case optOnlyServer:
- onlyServer = true
- case optQuiet:
- quiet = true
- case optFramerReuseFrames:
- framerReuseFrames = true
- }
- case func(net.Conn, http.ConnState):
- ts.Config.ConnState = v
- default:
- t.Fatalf("unknown newServerTester option type %T", v)
- }
- }
-
- ConfigureServer(ts.Config, h2server)
-
- st := &serverTester{
- t: t,
- ts: ts,
- }
- st.hpackEnc = hpack.NewEncoder(&st.headerBuf)
- st.hpackDec = hpack.NewDecoder(initialHeaderTableSize, st.onHeaderField)
-
- ts.TLS = ts.Config.TLSConfig // the httptest.Server has its own copy of this TLS config
- if quiet {
- ts.Config.ErrorLog = log.New(ioutil.Discard, "", 0)
- } else {
- ts.Config.ErrorLog = log.New(io.MultiWriter(stderrv(), twriter{t: t, st: st}, &st.serverLogBuf), "", log.LstdFlags)
- }
- ts.StartTLS()
-
- if VerboseLogs {
- t.Logf("Running test server at: %s", ts.URL)
- }
- testHookGetServerConn = func(v *serverConn) {
- st.scMu.Lock()
- defer st.scMu.Unlock()
- st.sc = v
- }
- log.SetOutput(io.MultiWriter(stderrv(), twriter{t: t, st: st}))
- if !onlyServer {
- cc, err := tls.Dial("tcp", ts.Listener.Addr().String(), tlsConfig)
- if err != nil {
- t.Fatal(err)
- }
- st.cc = cc
- st.fr = NewFramer(cc, cc)
- if framerReuseFrames {
- st.fr.SetReuseFrames()
- }
- if !logFrameReads && !logFrameWrites {
- st.fr.debugReadLoggerf = func(m string, v ...interface{}) {
- m = time.Now().Format("2006-01-02 15:04:05.999999999 ") + strings.TrimPrefix(m, "http2: ") + "\n"
- st.frameReadLogMu.Lock()
- fmt.Fprintf(&st.frameReadLogBuf, m, v...)
- st.frameReadLogMu.Unlock()
- }
- st.fr.debugWriteLoggerf = func(m string, v ...interface{}) {
- m = time.Now().Format("2006-01-02 15:04:05.999999999 ") + strings.TrimPrefix(m, "http2: ") + "\n"
- st.frameWriteLogMu.Lock()
- fmt.Fprintf(&st.frameWriteLogBuf, m, v...)
- st.frameWriteLogMu.Unlock()
- }
- st.fr.logReads = true
- st.fr.logWrites = true
- }
- }
- return st
-}
-
-func (st *serverTester) closeConn() {
- st.scMu.Lock()
- defer st.scMu.Unlock()
- st.sc.conn.Close()
-}
-
-func (st *serverTester) addLogFilter(phrase string) {
- st.logFilter = append(st.logFilter, phrase)
-}
-
-func (st *serverTester) stream(id uint32) *stream {
- ch := make(chan *stream, 1)
- st.sc.serveMsgCh <- func(int) {
- ch <- st.sc.streams[id]
- }
- return <-ch
-}
-
-func (st *serverTester) streamState(id uint32) streamState {
- ch := make(chan streamState, 1)
- st.sc.serveMsgCh <- func(int) {
- state, _ := st.sc.state(id)
- ch <- state
- }
- return <-ch
-}
-
-// loopNum reports how many times this conn's select loop has gone around.
-func (st *serverTester) loopNum() int {
- lastc := make(chan int, 1)
- st.sc.serveMsgCh <- func(loopNum int) {
- lastc <- loopNum
- }
- return <-lastc
-}
-
-// awaitIdle heuristically awaits for the server conn's select loop to be idle.
-// The heuristic is that the server connection's serve loop must schedule
-// 50 times in a row without any channel sends or receives occurring.
-func (st *serverTester) awaitIdle() {
- remain := 50
- last := st.loopNum()
- for remain > 0 {
- n := st.loopNum()
- if n == last+1 {
- remain--
- } else {
- remain = 50
- }
- last = n
- }
-}
-
-func (st *serverTester) Close() {
- if st.t.Failed() {
- st.frameReadLogMu.Lock()
- if st.frameReadLogBuf.Len() > 0 {
- st.t.Logf("Framer read log:\n%s", st.frameReadLogBuf.String())
- }
- st.frameReadLogMu.Unlock()
-
- st.frameWriteLogMu.Lock()
- if st.frameWriteLogBuf.Len() > 0 {
- st.t.Logf("Framer write log:\n%s", st.frameWriteLogBuf.String())
- }
- st.frameWriteLogMu.Unlock()
-
- // If we failed already (and are likely in a Fatal,
- // unwindowing), force close the connection, so the
- // httptest.Server doesn't wait forever for the conn
- // to close.
- if st.cc != nil {
- st.cc.Close()
- }
- }
- st.ts.Close()
- if st.cc != nil {
- st.cc.Close()
- }
- log.SetOutput(os.Stderr)
-}
-
-// greet initiates the client's HTTP/2 connection into a state where
-// frames may be sent.
-func (st *serverTester) greet() {
- st.greetAndCheckSettings(func(Setting) error { return nil })
-}
-
-func (st *serverTester) greetAndCheckSettings(checkSetting func(s Setting) error) {
- st.writePreface()
- st.writeInitialSettings()
- st.wantSettings().ForeachSetting(checkSetting)
- st.writeSettingsAck()
-
- // The initial WINDOW_UPDATE and SETTINGS ACK can come in any order.
- var gotSettingsAck bool
- var gotWindowUpdate bool
-
- for i := 0; i < 2; i++ {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatal(err)
- }
- switch f := f.(type) {
- case *SettingsFrame:
- if !f.Header().Flags.Has(FlagSettingsAck) {
- st.t.Fatal("Settings Frame didn't have ACK set")
- }
- gotSettingsAck = true
-
- case *WindowUpdateFrame:
- if f.FrameHeader.StreamID != 0 {
- st.t.Fatalf("WindowUpdate StreamID = %d; want 0", f.FrameHeader.StreamID)
- }
- incr := uint32((&Server{}).initialConnRecvWindowSize() - initialWindowSize)
- if f.Increment != incr {
- st.t.Fatalf("WindowUpdate increment = %d; want %d", f.Increment, incr)
- }
- gotWindowUpdate = true
-
- default:
- st.t.Fatalf("Wanting a settings ACK or window update, received a %T", f)
- }
- }
-
- if !gotSettingsAck {
- st.t.Fatalf("Didn't get a settings ACK")
- }
- if !gotWindowUpdate {
- st.t.Fatalf("Didn't get a window update")
- }
-}
-
-func (st *serverTester) writePreface() {
- n, err := st.cc.Write(clientPreface)
- if err != nil {
- st.t.Fatalf("Error writing client preface: %v", err)
- }
- if n != len(clientPreface) {
- st.t.Fatalf("Writing client preface, wrote %d bytes; want %d", n, len(clientPreface))
- }
-}
-
-func (st *serverTester) writeInitialSettings() {
- if err := st.fr.WriteSettings(); err != nil {
- st.t.Fatalf("Error writing initial SETTINGS frame from client to server: %v", err)
- }
-}
-
-func (st *serverTester) writeSettingsAck() {
- if err := st.fr.WriteSettingsAck(); err != nil {
- st.t.Fatalf("Error writing ACK of server's SETTINGS: %v", err)
- }
-}
-
-func (st *serverTester) writeHeaders(p HeadersFrameParam) {
- if err := st.fr.WriteHeaders(p); err != nil {
- st.t.Fatalf("Error writing HEADERS: %v", err)
- }
-}
-
-func (st *serverTester) writePriority(id uint32, p PriorityParam) {
- if err := st.fr.WritePriority(id, p); err != nil {
- st.t.Fatalf("Error writing PRIORITY: %v", err)
- }
-}
-
-func (st *serverTester) encodeHeaderField(k, v string) {
- err := st.hpackEnc.WriteField(hpack.HeaderField{Name: k, Value: v})
- if err != nil {
- st.t.Fatalf("HPACK encoding error for %q/%q: %v", k, v, err)
- }
-}
-
-// encodeHeaderRaw is the magic-free version of encodeHeader.
-// It takes 0 or more (k, v) pairs and encodes them.
-func (st *serverTester) encodeHeaderRaw(headers ...string) []byte {
- if len(headers)%2 == 1 {
- panic("odd number of kv args")
- }
- st.headerBuf.Reset()
- for len(headers) > 0 {
- k, v := headers[0], headers[1]
- st.encodeHeaderField(k, v)
- headers = headers[2:]
- }
- return st.headerBuf.Bytes()
-}
-
-// encodeHeader encodes headers and returns their HPACK bytes. headers
-// must contain an even number of key/value pairs. There may be
-// multiple pairs for keys (e.g. "cookie"). The :method, :path, and
-// :scheme headers default to GET, / and https. The :authority header
-// defaults to st.ts.Listener.Addr().
-func (st *serverTester) encodeHeader(headers ...string) []byte {
- if len(headers)%2 == 1 {
- panic("odd number of kv args")
- }
-
- st.headerBuf.Reset()
- defaultAuthority := st.ts.Listener.Addr().String()
-
- if len(headers) == 0 {
- // Fast path, mostly for benchmarks, so test code doesn't pollute
- // profiles when we're looking to improve server allocations.
- st.encodeHeaderField(":method", "GET")
- st.encodeHeaderField(":scheme", "https")
- st.encodeHeaderField(":authority", defaultAuthority)
- st.encodeHeaderField(":path", "/")
- return st.headerBuf.Bytes()
- }
-
- if len(headers) == 2 && headers[0] == ":method" {
- // Another fast path for benchmarks.
- st.encodeHeaderField(":method", headers[1])
- st.encodeHeaderField(":scheme", "https")
- st.encodeHeaderField(":authority", defaultAuthority)
- st.encodeHeaderField(":path", "/")
- return st.headerBuf.Bytes()
- }
-
- pseudoCount := map[string]int{}
- keys := []string{":method", ":scheme", ":authority", ":path"}
- vals := map[string][]string{
- ":method": {"GET"},
- ":scheme": {"https"},
- ":authority": {defaultAuthority},
- ":path": {"/"},
- }
- for len(headers) > 0 {
- k, v := headers[0], headers[1]
- headers = headers[2:]
- if _, ok := vals[k]; !ok {
- keys = append(keys, k)
- }
- if strings.HasPrefix(k, ":") {
- pseudoCount[k]++
- if pseudoCount[k] == 1 {
- vals[k] = []string{v}
- } else {
- // Allows testing of invalid headers w/ dup pseudo fields.
- vals[k] = append(vals[k], v)
- }
- } else {
- vals[k] = append(vals[k], v)
- }
- }
- for _, k := range keys {
- for _, v := range vals[k] {
- st.encodeHeaderField(k, v)
- }
- }
- return st.headerBuf.Bytes()
-}
-
-// bodylessReq1 writes a HEADERS frames with StreamID 1 and EndStream and EndHeaders set.
-func (st *serverTester) bodylessReq1(headers ...string) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(headers...),
- EndStream: true,
- EndHeaders: true,
- })
-}
-
-func (st *serverTester) writeData(streamID uint32, endStream bool, data []byte) {
- if err := st.fr.WriteData(streamID, endStream, data); err != nil {
- st.t.Fatalf("Error writing DATA: %v", err)
- }
-}
-
-func (st *serverTester) writeDataPadded(streamID uint32, endStream bool, data, pad []byte) {
- if err := st.fr.WriteDataPadded(streamID, endStream, data, pad); err != nil {
- st.t.Fatalf("Error writing DATA: %v", err)
- }
-}
-
-func readFrameTimeout(fr *Framer, wait time.Duration) (Frame, error) {
- ch := make(chan interface{}, 1)
- go func() {
- fr, err := fr.ReadFrame()
- if err != nil {
- ch <- err
- } else {
- ch <- fr
- }
- }()
- t := time.NewTimer(wait)
- select {
- case v := <-ch:
- t.Stop()
- if fr, ok := v.(Frame); ok {
- return fr, nil
- }
- return nil, v.(error)
- case <-t.C:
- return nil, errors.New("timeout waiting for frame")
- }
-}
-
-func (st *serverTester) readFrame() (Frame, error) {
- return readFrameTimeout(st.fr, 2*time.Second)
-}
-
-func (st *serverTester) wantHeaders() *HeadersFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a HEADERS frame: %v", err)
- }
- hf, ok := f.(*HeadersFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *HeadersFrame", f)
- }
- return hf
-}
-
-func (st *serverTester) wantContinuation() *ContinuationFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a CONTINUATION frame: %v", err)
- }
- cf, ok := f.(*ContinuationFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *ContinuationFrame", f)
- }
- return cf
-}
-
-func (st *serverTester) wantData() *DataFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a DATA frame: %v", err)
- }
- df, ok := f.(*DataFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *DataFrame", f)
- }
- return df
-}
-
-func (st *serverTester) wantSettings() *SettingsFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a SETTINGS frame: %v", err)
- }
- sf, ok := f.(*SettingsFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *SettingsFrame", f)
- }
- return sf
-}
-
-func (st *serverTester) wantPing() *PingFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a PING frame: %v", err)
- }
- pf, ok := f.(*PingFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *PingFrame", f)
- }
- return pf
-}
-
-func (st *serverTester) wantGoAway() *GoAwayFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a GOAWAY frame: %v", err)
- }
- gf, ok := f.(*GoAwayFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *GoAwayFrame", f)
- }
- return gf
-}
-
-func (st *serverTester) wantRSTStream(streamID uint32, errCode ErrCode) {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting an RSTStream frame: %v", err)
- }
- rs, ok := f.(*RSTStreamFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *RSTStreamFrame", f)
- }
- if rs.FrameHeader.StreamID != streamID {
- st.t.Fatalf("RSTStream StreamID = %d; want %d", rs.FrameHeader.StreamID, streamID)
- }
- if rs.ErrCode != errCode {
- st.t.Fatalf("RSTStream ErrCode = %d (%s); want %d (%s)", rs.ErrCode, rs.ErrCode, errCode, errCode)
- }
-}
-
-func (st *serverTester) wantWindowUpdate(streamID, incr uint32) {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatalf("Error while expecting a WINDOW_UPDATE frame: %v", err)
- }
- wu, ok := f.(*WindowUpdateFrame)
- if !ok {
- st.t.Fatalf("got a %T; want *WindowUpdateFrame", f)
- }
- if wu.FrameHeader.StreamID != streamID {
- st.t.Fatalf("WindowUpdate StreamID = %d; want %d", wu.FrameHeader.StreamID, streamID)
- }
- if wu.Increment != incr {
- st.t.Fatalf("WindowUpdate increment = %d; want %d", wu.Increment, incr)
- }
-}
-
-func (st *serverTester) wantSettingsAck() {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatal(err)
- }
- sf, ok := f.(*SettingsFrame)
- if !ok {
- st.t.Fatalf("Wanting a settings ACK, received a %T", f)
- }
- if !sf.Header().Flags.Has(FlagSettingsAck) {
- st.t.Fatal("Settings Frame didn't have ACK set")
- }
-}
-
-func (st *serverTester) wantPushPromise() *PushPromiseFrame {
- f, err := st.readFrame()
- if err != nil {
- st.t.Fatal(err)
- }
- ppf, ok := f.(*PushPromiseFrame)
- if !ok {
- st.t.Fatalf("Wanted PushPromise, received %T", ppf)
- }
- return ppf
-}
-
-func TestServer(t *testing.T) {
- gotReq := make(chan bool, 1)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- w.Header().Set("Foo", "Bar")
- gotReq <- true
- })
- defer st.Close()
-
- covers("3.5", `
- The server connection preface consists of a potentially empty
- SETTINGS frame ([SETTINGS]) that MUST be the first frame the
- server sends in the HTTP/2 connection.
- `)
-
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(),
- EndStream: true, // no DATA frames
- EndHeaders: true,
- })
-
- select {
- case <-gotReq:
- case <-time.After(2 * time.Second):
- t.Error("timeout waiting for request")
- }
-}
-
-func TestServer_Request_Get(t *testing.T) {
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader("foo-bar", "some-value"),
- EndStream: true, // no DATA frames
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if r.Method != "GET" {
- t.Errorf("Method = %q; want GET", r.Method)
- }
- if r.URL.Path != "/" {
- t.Errorf("URL.Path = %q; want /", r.URL.Path)
- }
- if r.ContentLength != 0 {
- t.Errorf("ContentLength = %v; want 0", r.ContentLength)
- }
- if r.Close {
- t.Error("Close = true; want false")
- }
- if !strings.Contains(r.RemoteAddr, ":") {
- t.Errorf("RemoteAddr = %q; want something with a colon", r.RemoteAddr)
- }
- if r.Proto != "HTTP/2.0" || r.ProtoMajor != 2 || r.ProtoMinor != 0 {
- t.Errorf("Proto = %q Major=%v,Minor=%v; want HTTP/2.0", r.Proto, r.ProtoMajor, r.ProtoMinor)
- }
- wantHeader := http.Header{
- "Foo-Bar": []string{"some-value"},
- }
- if !reflect.DeepEqual(r.Header, wantHeader) {
- t.Errorf("Header = %#v; want %#v", r.Header, wantHeader)
- }
- if n, err := r.Body.Read([]byte(" ")); err != io.EOF || n != 0 {
- t.Errorf("Read = %d, %v; want 0, EOF", n, err)
- }
- })
-}
-
-func TestServer_Request_Get_PathSlashes(t *testing.T) {
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":path", "/%2f/"),
- EndStream: true, // no DATA frames
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if r.RequestURI != "/%2f/" {
- t.Errorf("RequestURI = %q; want /%%2f/", r.RequestURI)
- }
- if r.URL.Path != "///" {
- t.Errorf("URL.Path = %q; want ///", r.URL.Path)
- }
- })
-}
-
-// TODO: add a test with EndStream=true on the HEADERS but setting a
-// Content-Length anyway. Should we just omit it and force it to
-// zero?
-
-func TestServer_Request_Post_NoContentLength_EndStream(t *testing.T) {
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: true,
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if r.Method != "POST" {
- t.Errorf("Method = %q; want POST", r.Method)
- }
- if r.ContentLength != 0 {
- t.Errorf("ContentLength = %v; want 0", r.ContentLength)
- }
- if n, err := r.Body.Read([]byte(" ")); err != io.EOF || n != 0 {
- t.Errorf("Read = %d, %v; want 0, EOF", n, err)
- }
- })
-}
-
-func TestServer_Request_Post_Body_ImmediateEOF(t *testing.T) {
- testBodyContents(t, -1, "", func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, nil) // just kidding. empty body.
- })
-}
-
-func TestServer_Request_Post_Body_OneData(t *testing.T) {
- const content = "Some content"
- testBodyContents(t, -1, content, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, []byte(content))
- })
-}
-
-func TestServer_Request_Post_Body_TwoData(t *testing.T) {
- const content = "Some content"
- testBodyContents(t, -1, content, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, false, []byte(content[:5]))
- st.writeData(1, true, []byte(content[5:]))
- })
-}
-
-func TestServer_Request_Post_Body_ContentLength_Correct(t *testing.T) {
- const content = "Some content"
- testBodyContents(t, int64(len(content)), content, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(
- ":method", "POST",
- "content-length", strconv.Itoa(len(content)),
- ),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, []byte(content))
- })
-}
-
-func TestServer_Request_Post_Body_ContentLength_TooLarge(t *testing.T) {
- testBodyContentsFail(t, 3, "request declared a Content-Length of 3 but only wrote 2 bytes",
- func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(
- ":method", "POST",
- "content-length", "3",
- ),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, []byte("12"))
- })
-}
-
-func TestServer_Request_Post_Body_ContentLength_TooSmall(t *testing.T) {
- testBodyContentsFail(t, 4, "sender tried to send more than declared Content-Length of 4 bytes",
- func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(
- ":method", "POST",
- "content-length", "4",
- ),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, []byte("12345"))
- })
-}
-
-func testBodyContents(t *testing.T, wantContentLength int64, wantBody string, write func(st *serverTester)) {
- testServerRequest(t, write, func(r *http.Request) {
- if r.Method != "POST" {
- t.Errorf("Method = %q; want POST", r.Method)
- }
- if r.ContentLength != wantContentLength {
- t.Errorf("ContentLength = %v; want %d", r.ContentLength, wantContentLength)
- }
- all, err := ioutil.ReadAll(r.Body)
- if err != nil {
- t.Fatal(err)
- }
- if string(all) != wantBody {
- t.Errorf("Read = %q; want %q", all, wantBody)
- }
- if err := r.Body.Close(); err != nil {
- t.Fatalf("Close: %v", err)
- }
- })
-}
-
-func testBodyContentsFail(t *testing.T, wantContentLength int64, wantReadError string, write func(st *serverTester)) {
- testServerRequest(t, write, func(r *http.Request) {
- if r.Method != "POST" {
- t.Errorf("Method = %q; want POST", r.Method)
- }
- if r.ContentLength != wantContentLength {
- t.Errorf("ContentLength = %v; want %d", r.ContentLength, wantContentLength)
- }
- all, err := ioutil.ReadAll(r.Body)
- if err == nil {
- t.Fatalf("expected an error (%q) reading from the body. Successfully read %q instead.",
- wantReadError, all)
- }
- if !strings.Contains(err.Error(), wantReadError) {
- t.Fatalf("Body.Read = %v; want substring %q", err, wantReadError)
- }
- if err := r.Body.Close(); err != nil {
- t.Fatalf("Close: %v", err)
- }
- })
-}
-
-// Using a Host header, instead of :authority
-func TestServer_Request_Get_Host(t *testing.T) {
- const host = "example.com"
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":authority", "", "host", host),
- EndStream: true,
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if r.Host != host {
- t.Errorf("Host = %q; want %q", r.Host, host)
- }
- })
-}
-
-// Using an :authority pseudo-header, instead of Host
-func TestServer_Request_Get_Authority(t *testing.T) {
- const host = "example.com"
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":authority", host),
- EndStream: true,
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if r.Host != host {
- t.Errorf("Host = %q; want %q", r.Host, host)
- }
- })
-}
-
-func TestServer_Request_WithContinuation(t *testing.T) {
- wantHeader := http.Header{
- "Foo-One": []string{"value-one"},
- "Foo-Two": []string{"value-two"},
- "Foo-Three": []string{"value-three"},
- }
- testServerRequest(t, func(st *serverTester) {
- fullHeaders := st.encodeHeader(
- "foo-one", "value-one",
- "foo-two", "value-two",
- "foo-three", "value-three",
- )
- remain := fullHeaders
- chunks := 0
- for len(remain) > 0 {
- const maxChunkSize = 5
- chunk := remain
- if len(chunk) > maxChunkSize {
- chunk = chunk[:maxChunkSize]
- }
- remain = remain[len(chunk):]
-
- if chunks == 0 {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: chunk,
- EndStream: true, // no DATA frames
- EndHeaders: false, // we'll have continuation frames
- })
- } else {
- err := st.fr.WriteContinuation(1, len(remain) == 0, chunk)
- if err != nil {
- t.Fatal(err)
- }
- }
- chunks++
- }
- if chunks < 2 {
- t.Fatal("too few chunks")
- }
- }, func(r *http.Request) {
- if !reflect.DeepEqual(r.Header, wantHeader) {
- t.Errorf("Header = %#v; want %#v", r.Header, wantHeader)
- }
- })
-}
-
-// Concatenated cookie headers. ("8.1.2.5 Compressing the Cookie Header Field")
-func TestServer_Request_CookieConcat(t *testing.T) {
- const host = "example.com"
- testServerRequest(t, func(st *serverTester) {
- st.bodylessReq1(
- ":authority", host,
- "cookie", "a=b",
- "cookie", "c=d",
- "cookie", "e=f",
- )
- }, func(r *http.Request) {
- const want = "a=b; c=d; e=f"
- if got := r.Header.Get("Cookie"); got != want {
- t.Errorf("Cookie = %q; want %q", got, want)
- }
- })
-}
-
-func TestServer_Request_Reject_CapitalHeader(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("UPPER", "v") })
-}
-
-func TestServer_Request_Reject_HeaderFieldNameColon(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("has:colon", "v") })
-}
-
-func TestServer_Request_Reject_HeaderFieldNameNULL(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("has\x00null", "v") })
-}
-
-func TestServer_Request_Reject_HeaderFieldNameEmpty(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("", "v") })
-}
-
-func TestServer_Request_Reject_HeaderFieldValueNewline(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("foo", "has\nnewline") })
-}
-
-func TestServer_Request_Reject_HeaderFieldValueCR(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("foo", "has\rcarriage") })
-}
-
-func TestServer_Request_Reject_HeaderFieldValueDEL(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1("foo", "has\x7fdel") })
-}
-
-func TestServer_Request_Reject_Pseudo_Missing_method(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1(":method", "") })
-}
-
-func TestServer_Request_Reject_Pseudo_ExactlyOne(t *testing.T) {
- // 8.1.2.3 Request Pseudo-Header Fields
- // "All HTTP/2 requests MUST include exactly one valid value" ...
- testRejectRequest(t, func(st *serverTester) {
- st.addLogFilter("duplicate pseudo-header")
- st.bodylessReq1(":method", "GET", ":method", "POST")
- })
-}
-
-func TestServer_Request_Reject_Pseudo_AfterRegular(t *testing.T) {
- // 8.1.2.3 Request Pseudo-Header Fields
- // "All pseudo-header fields MUST appear in the header block
- // before regular header fields. Any request or response that
- // contains a pseudo-header field that appears in a header
- // block after a regular header field MUST be treated as
- // malformed (Section 8.1.2.6)."
- testRejectRequest(t, func(st *serverTester) {
- st.addLogFilter("pseudo-header after regular header")
- var buf bytes.Buffer
- enc := hpack.NewEncoder(&buf)
- enc.WriteField(hpack.HeaderField{Name: ":method", Value: "GET"})
- enc.WriteField(hpack.HeaderField{Name: "regular", Value: "foobar"})
- enc.WriteField(hpack.HeaderField{Name: ":path", Value: "/"})
- enc.WriteField(hpack.HeaderField{Name: ":scheme", Value: "https"})
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: buf.Bytes(),
- EndStream: true,
- EndHeaders: true,
- })
- })
-}
-
-func TestServer_Request_Reject_Pseudo_Missing_path(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1(":path", "") })
-}
-
-func TestServer_Request_Reject_Pseudo_Missing_scheme(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1(":scheme", "") })
-}
-
-func TestServer_Request_Reject_Pseudo_scheme_invalid(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) { st.bodylessReq1(":scheme", "bogus") })
-}
-
-func TestServer_Request_Reject_Pseudo_Unknown(t *testing.T) {
- testRejectRequest(t, func(st *serverTester) {
- st.addLogFilter(`invalid pseudo-header ":unknown_thing"`)
- st.bodylessReq1(":unknown_thing", "")
- })
-}
-
-func testRejectRequest(t *testing.T, send func(*serverTester)) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- t.Error("server request made it to handler; should've been rejected")
- })
- defer st.Close()
-
- st.greet()
- send(st)
- st.wantRSTStream(1, ErrCodeProtocol)
-}
-
-func testRejectRequestWithProtocolError(t *testing.T, send func(*serverTester)) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- t.Error("server request made it to handler; should've been rejected")
- }, optQuiet)
- defer st.Close()
-
- st.greet()
- send(st)
- gf := st.wantGoAway()
- if gf.ErrCode != ErrCodeProtocol {
- t.Errorf("err code = %v; want %v", gf.ErrCode, ErrCodeProtocol)
- }
-}
-
-// Section 5.1, on idle connections: "Receiving any frame other than
-// HEADERS or PRIORITY on a stream in this state MUST be treated as a
-// connection error (Section 5.4.1) of type PROTOCOL_ERROR."
-func TestRejectFrameOnIdle_WindowUpdate(t *testing.T) {
- testRejectRequestWithProtocolError(t, func(st *serverTester) {
- st.fr.WriteWindowUpdate(123, 456)
- })
-}
-func TestRejectFrameOnIdle_Data(t *testing.T) {
- testRejectRequestWithProtocolError(t, func(st *serverTester) {
- st.fr.WriteData(123, true, nil)
- })
-}
-func TestRejectFrameOnIdle_RSTStream(t *testing.T) {
- testRejectRequestWithProtocolError(t, func(st *serverTester) {
- st.fr.WriteRSTStream(123, ErrCodeCancel)
- })
-}
-
-func TestServer_Request_Connect(t *testing.T) {
- testServerRequest(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeaderRaw(
- ":method", "CONNECT",
- ":authority", "example.com:123",
- ),
- EndStream: true,
- EndHeaders: true,
- })
- }, func(r *http.Request) {
- if g, w := r.Method, "CONNECT"; g != w {
- t.Errorf("Method = %q; want %q", g, w)
- }
- if g, w := r.RequestURI, "example.com:123"; g != w {
- t.Errorf("RequestURI = %q; want %q", g, w)
- }
- if g, w := r.URL.Host, "example.com:123"; g != w {
- t.Errorf("URL.Host = %q; want %q", g, w)
- }
- })
-}
-
-func TestServer_Request_Connect_InvalidPath(t *testing.T) {
- testServerRejectsStream(t, ErrCodeProtocol, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeaderRaw(
- ":method", "CONNECT",
- ":authority", "example.com:123",
- ":path", "/bogus",
- ),
- EndStream: true,
- EndHeaders: true,
- })
- })
-}
-
-func TestServer_Request_Connect_InvalidScheme(t *testing.T) {
- testServerRejectsStream(t, ErrCodeProtocol, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeaderRaw(
- ":method", "CONNECT",
- ":authority", "example.com:123",
- ":scheme", "https",
- ),
- EndStream: true,
- EndHeaders: true,
- })
- })
-}
-
-func TestServer_Ping(t *testing.T) {
- st := newServerTester(t, nil)
- defer st.Close()
- st.greet()
-
- // Server should ignore this one, since it has ACK set.
- ackPingData := [8]byte{1, 2, 4, 8, 16, 32, 64, 128}
- if err := st.fr.WritePing(true, ackPingData); err != nil {
- t.Fatal(err)
- }
-
- // But the server should reply to this one, since ACK is false.
- pingData := [8]byte{1, 2, 3, 4, 5, 6, 7, 8}
- if err := st.fr.WritePing(false, pingData); err != nil {
- t.Fatal(err)
- }
-
- pf := st.wantPing()
- if !pf.Flags.Has(FlagPingAck) {
- t.Error("response ping doesn't have ACK set")
- }
- if pf.Data != pingData {
- t.Errorf("response ping has data %q; want %q", pf.Data, pingData)
- }
-}
-
-func TestServer_RejectsLargeFrames(t *testing.T) {
- if runtime.GOOS == "windows" {
- t.Skip("see golang.org/issue/13434")
- }
-
- st := newServerTester(t, nil)
- defer st.Close()
- st.greet()
-
- // Write too large of a frame (too large by one byte)
- // We ignore the return value because it's expected that the server
- // will only read the first 9 bytes (the headre) and then disconnect.
- st.fr.WriteRawFrame(0xff, 0, 0, make([]byte, defaultMaxReadFrameSize+1))
-
- gf := st.wantGoAway()
- if gf.ErrCode != ErrCodeFrameSize {
- t.Errorf("GOAWAY err = %v; want %v", gf.ErrCode, ErrCodeFrameSize)
- }
- if st.serverLogBuf.Len() != 0 {
- // Previously we spun here for a bit until the GOAWAY disconnect
- // timer fired, logging while we fired.
- t.Errorf("unexpected server output: %.500s\n", st.serverLogBuf.Bytes())
- }
-}
-
-func TestServer_Handler_Sends_WindowUpdate(t *testing.T) {
- puppet := newHandlerPuppet()
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- puppet.act(w, r)
- })
- defer st.Close()
- defer puppet.done()
-
- st.greet()
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // data coming
- EndHeaders: true,
- })
- st.writeData(1, false, []byte("abcdef"))
- puppet.do(readBodyHandler(t, "abc"))
- st.wantWindowUpdate(0, 3)
- st.wantWindowUpdate(1, 3)
-
- puppet.do(readBodyHandler(t, "def"))
- st.wantWindowUpdate(0, 3)
- st.wantWindowUpdate(1, 3)
-
- st.writeData(1, true, []byte("ghijkl")) // END_STREAM here
- puppet.do(readBodyHandler(t, "ghi"))
- puppet.do(readBodyHandler(t, "jkl"))
- st.wantWindowUpdate(0, 3)
- st.wantWindowUpdate(0, 3) // no more stream-level, since END_STREAM
-}
-
-// the version of the TestServer_Handler_Sends_WindowUpdate with padding.
-// See golang.org/issue/16556
-func TestServer_Handler_Sends_WindowUpdate_Padding(t *testing.T) {
- puppet := newHandlerPuppet()
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- puppet.act(w, r)
- })
- defer st.Close()
- defer puppet.done()
-
- st.greet()
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false,
- EndHeaders: true,
- })
- st.writeDataPadded(1, false, []byte("abcdef"), []byte{0, 0, 0, 0})
-
- // Expect to immediately get our 5 bytes of padding back for
- // both the connection and stream (4 bytes of padding + 1 byte of length)
- st.wantWindowUpdate(0, 5)
- st.wantWindowUpdate(1, 5)
-
- puppet.do(readBodyHandler(t, "abc"))
- st.wantWindowUpdate(0, 3)
- st.wantWindowUpdate(1, 3)
-
- puppet.do(readBodyHandler(t, "def"))
- st.wantWindowUpdate(0, 3)
- st.wantWindowUpdate(1, 3)
-}
-
-func TestServer_Send_GoAway_After_Bogus_WindowUpdate(t *testing.T) {
- st := newServerTester(t, nil)
- defer st.Close()
- st.greet()
- if err := st.fr.WriteWindowUpdate(0, 1<<31-1); err != nil {
- t.Fatal(err)
- }
- gf := st.wantGoAway()
- if gf.ErrCode != ErrCodeFlowControl {
- t.Errorf("GOAWAY err = %v; want %v", gf.ErrCode, ErrCodeFlowControl)
- }
- if gf.LastStreamID != 0 {
- t.Errorf("GOAWAY last stream ID = %v; want %v", gf.LastStreamID, 0)
- }
-}
-
-func TestServer_Send_RstStream_After_Bogus_WindowUpdate(t *testing.T) {
- inHandler := make(chan bool)
- blockHandler := make(chan bool)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- inHandler <- true
- <-blockHandler
- })
- defer st.Close()
- defer close(blockHandler)
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
- <-inHandler
- // Send a bogus window update:
- if err := st.fr.WriteWindowUpdate(1, 1<<31-1); err != nil {
- t.Fatal(err)
- }
- st.wantRSTStream(1, ErrCodeFlowControl)
-}
-
-// testServerPostUnblock sends a hanging POST with unsent data to handler,
-// then runs fn once in the handler, and verifies that the error returned from
-// handler is acceptable. It fails if takes over 5 seconds for handler to exit.
-func testServerPostUnblock(t *testing.T,
- handler func(http.ResponseWriter, *http.Request) error,
- fn func(*serverTester),
- checkErr func(error),
- otherHeaders ...string) {
- inHandler := make(chan bool)
- errc := make(chan error, 1)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- inHandler <- true
- errc <- handler(w, r)
- })
- defer st.Close()
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(append([]string{":method", "POST"}, otherHeaders...)...),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
- <-inHandler
- fn(st)
- select {
- case err := <-errc:
- if checkErr != nil {
- checkErr(err)
- }
- case <-time.After(5 * time.Second):
- t.Fatal("timeout waiting for Handler to return")
- }
-}
-
-func TestServer_RSTStream_Unblocks_Read(t *testing.T) {
- testServerPostUnblock(t,
- func(w http.ResponseWriter, r *http.Request) (err error) {
- _, err = r.Body.Read(make([]byte, 1))
- return
- },
- func(st *serverTester) {
- if err := st.fr.WriteRSTStream(1, ErrCodeCancel); err != nil {
- t.Fatal(err)
- }
- },
- func(err error) {
- want := StreamError{StreamID: 0x1, Code: 0x8}
- if !reflect.DeepEqual(err, want) {
- t.Errorf("Read error = %v; want %v", err, want)
- }
- },
- )
-}
-
-func TestServer_RSTStream_Unblocks_Header_Write(t *testing.T) {
- // Run this test a bunch, because it doesn't always
- // deadlock. But with a bunch, it did.
- n := 50
- if testing.Short() {
- n = 5
- }
- for i := 0; i < n; i++ {
- testServer_RSTStream_Unblocks_Header_Write(t)
- }
-}
-
-func testServer_RSTStream_Unblocks_Header_Write(t *testing.T) {
- inHandler := make(chan bool, 1)
- unblockHandler := make(chan bool, 1)
- headerWritten := make(chan bool, 1)
- wroteRST := make(chan bool, 1)
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- inHandler <- true
- <-wroteRST
- w.Header().Set("foo", "bar")
- w.WriteHeader(200)
- w.(http.Flusher).Flush()
- headerWritten <- true
- <-unblockHandler
- })
- defer st.Close()
-
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
- <-inHandler
- if err := st.fr.WriteRSTStream(1, ErrCodeCancel); err != nil {
- t.Fatal(err)
- }
- wroteRST <- true
- st.awaitIdle()
- select {
- case <-headerWritten:
- case <-time.After(2 * time.Second):
- t.Error("timeout waiting for header write")
- }
- unblockHandler <- true
-}
-
-func TestServer_DeadConn_Unblocks_Read(t *testing.T) {
- testServerPostUnblock(t,
- func(w http.ResponseWriter, r *http.Request) (err error) {
- _, err = r.Body.Read(make([]byte, 1))
- return
- },
- func(st *serverTester) { st.cc.Close() },
- func(err error) {
- if err == nil {
- t.Error("unexpected nil error from Request.Body.Read")
- }
- },
- )
-}
-
-var blockUntilClosed = func(w http.ResponseWriter, r *http.Request) error {
- <-w.(http.CloseNotifier).CloseNotify()
- return nil
-}
-
-func TestServer_CloseNotify_After_RSTStream(t *testing.T) {
- testServerPostUnblock(t, blockUntilClosed, func(st *serverTester) {
- if err := st.fr.WriteRSTStream(1, ErrCodeCancel); err != nil {
- t.Fatal(err)
- }
- }, nil)
-}
-
-func TestServer_CloseNotify_After_ConnClose(t *testing.T) {
- testServerPostUnblock(t, blockUntilClosed, func(st *serverTester) { st.cc.Close() }, nil)
-}
-
-// that CloseNotify unblocks after a stream error due to the client's
-// problem that's unrelated to them explicitly canceling it (which is
-// TestServer_CloseNotify_After_RSTStream above)
-func TestServer_CloseNotify_After_StreamError(t *testing.T) {
- testServerPostUnblock(t, blockUntilClosed, func(st *serverTester) {
- // data longer than declared Content-Length => stream error
- st.writeData(1, true, []byte("1234"))
- }, nil, "content-length", "3")
-}
-
-func TestServer_StateTransitions(t *testing.T) {
- var st *serverTester
- inHandler := make(chan bool)
- writeData := make(chan bool)
- leaveHandler := make(chan bool)
- st = newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- inHandler <- true
- if st.stream(1) == nil {
- t.Errorf("nil stream 1 in handler")
- }
- if got, want := st.streamState(1), stateOpen; got != want {
- t.Errorf("in handler, state is %v; want %v", got, want)
- }
- writeData <- true
- if n, err := r.Body.Read(make([]byte, 1)); n != 0 || err != io.EOF {
- t.Errorf("body read = %d, %v; want 0, EOF", n, err)
- }
- if got, want := st.streamState(1), stateHalfClosedRemote; got != want {
- t.Errorf("in handler, state is %v; want %v", got, want)
- }
-
- <-leaveHandler
- })
- st.greet()
- if st.stream(1) != nil {
- t.Fatal("stream 1 should be empty")
- }
- if got := st.streamState(1); got != stateIdle {
- t.Fatalf("stream 1 should be idle; got %v", got)
- }
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
- <-inHandler
- <-writeData
- st.writeData(1, true, nil)
-
- leaveHandler <- true
- hf := st.wantHeaders()
- if !hf.StreamEnded() {
- t.Fatal("expected END_STREAM flag")
- }
-
- if got, want := st.streamState(1), stateClosed; got != want {
- t.Errorf("at end, state is %v; want %v", got, want)
- }
- if st.stream(1) != nil {
- t.Fatal("at end, stream 1 should be gone")
- }
-}
-
-// test HEADERS w/o EndHeaders + another HEADERS (should get rejected)
-func TestServer_Rejects_HeadersNoEnd_Then_Headers(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: false,
- })
- st.writeHeaders(HeadersFrameParam{ // Not a continuation.
- StreamID: 3, // different stream.
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- })
-}
-
-// test HEADERS w/o EndHeaders + PING (should get rejected)
-func TestServer_Rejects_HeadersNoEnd_Then_Ping(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: false,
- })
- if err := st.fr.WritePing(false, [8]byte{}); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-// test HEADERS w/ EndHeaders + a continuation HEADERS (should get rejected)
-func TestServer_Rejects_HeadersEnd_Then_Continuation(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- st.wantHeaders()
- if err := st.fr.WriteContinuation(1, true, encodeHeaderNoImplicit(t, "foo", "bar")); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-// test HEADERS w/o EndHeaders + a continuation HEADERS on wrong stream ID
-func TestServer_Rejects_HeadersNoEnd_Then_ContinuationWrongStream(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: false,
- })
- if err := st.fr.WriteContinuation(3, true, encodeHeaderNoImplicit(t, "foo", "bar")); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-// No HEADERS on stream 0.
-func TestServer_Rejects_Headers0(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.fr.AllowIllegalWrites = true
- st.writeHeaders(HeadersFrameParam{
- StreamID: 0,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- })
-}
-
-// No CONTINUATION on stream 0.
-func TestServer_Rejects_Continuation0(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.fr.AllowIllegalWrites = true
- if err := st.fr.WriteContinuation(0, true, st.encodeHeader()); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-// No PRIORITY on stream 0.
-func TestServer_Rejects_Priority0(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- st.fr.AllowIllegalWrites = true
- st.writePriority(0, PriorityParam{StreamDep: 1})
- })
-}
-
-// No HEADERS frame with a self-dependence.
-func TestServer_Rejects_HeadersSelfDependence(t *testing.T) {
- testServerRejectsStream(t, ErrCodeProtocol, func(st *serverTester) {
- st.fr.AllowIllegalWrites = true
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- Priority: PriorityParam{StreamDep: 1},
- })
- })
-}
-
-// No PRIORTY frame with a self-dependence.
-func TestServer_Rejects_PrioritySelfDependence(t *testing.T) {
- testServerRejectsStream(t, ErrCodeProtocol, func(st *serverTester) {
- st.fr.AllowIllegalWrites = true
- st.writePriority(1, PriorityParam{StreamDep: 1})
- })
-}
-
-func TestServer_Rejects_PushPromise(t *testing.T) {
- testServerRejectsConn(t, func(st *serverTester) {
- pp := PushPromiseParam{
- StreamID: 1,
- PromiseID: 3,
- }
- if err := st.fr.WritePushPromise(pp); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-// testServerRejectsConn tests that the server hangs up with a GOAWAY
-// frame and a server close after the client does something
-// deserving a CONNECTION_ERROR.
-func testServerRejectsConn(t *testing.T, writeReq func(*serverTester)) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {})
- st.addLogFilter("connection error: PROTOCOL_ERROR")
- defer st.Close()
- st.greet()
- writeReq(st)
-
- st.wantGoAway()
- errc := make(chan error, 1)
- go func() {
- fr, err := st.fr.ReadFrame()
- if err == nil {
- err = fmt.Errorf("got frame of type %T", fr)
- }
- errc <- err
- }()
- select {
- case err := <-errc:
- if err != io.EOF {
- t.Errorf("ReadFrame = %v; want io.EOF", err)
- }
- case <-time.After(2 * time.Second):
- t.Error("timeout waiting for disconnect")
- }
-}
-
-// testServerRejectsStream tests that the server sends a RST_STREAM with the provided
-// error code after a client sends a bogus request.
-func testServerRejectsStream(t *testing.T, code ErrCode, writeReq func(*serverTester)) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {})
- defer st.Close()
- st.greet()
- writeReq(st)
- st.wantRSTStream(1, code)
-}
-
-// testServerRequest sets up an idle HTTP/2 connection and lets you
-// write a single request with writeReq, and then verify that the
-// *http.Request is built correctly in checkReq.
-func testServerRequest(t *testing.T, writeReq func(*serverTester), checkReq func(*http.Request)) {
- gotReq := make(chan bool, 1)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- if r.Body == nil {
- t.Fatal("nil Body")
- }
- checkReq(r)
- gotReq <- true
- })
- defer st.Close()
-
- st.greet()
- writeReq(st)
-
- select {
- case <-gotReq:
- case <-time.After(2 * time.Second):
- t.Error("timeout waiting for request")
- }
-}
-
-func getSlash(st *serverTester) { st.bodylessReq1() }
-
-func TestServer_Response_NoData(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- // Nothing.
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if !hf.StreamEnded() {
- t.Fatal("want END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- })
-}
-
-func TestServer_Response_NoData_Header_FooBar(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("Foo-Bar", "some-value")
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if !hf.StreamEnded() {
- t.Fatal("want END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"foo-bar", "some-value"},
- {"content-length", "0"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- })
-}
-
-func TestServer_Response_Data_Sniff_DoesntOverride(t *testing.T) {
- const msg = "<html>this is HTML."
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("Content-Type", "foo/bar")
- io.WriteString(w, msg)
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("don't want END_STREAM, expecting data")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "foo/bar"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- df := st.wantData()
- if !df.StreamEnded() {
- t.Error("expected DATA to have END_STREAM flag")
- }
- if got := string(df.Data()); got != msg {
- t.Errorf("got DATA %q; want %q", got, msg)
- }
- })
-}
-
-func TestServer_Response_Nosniff_WithoutContentType(t *testing.T) {
- const msg = "<html>this is HTML."
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("X-Content-Type-Options", "nosniff")
- w.WriteHeader(200)
- io.WriteString(w, msg)
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("don't want END_STREAM, expecting data")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"x-content-type-options", "nosniff"},
- {"content-type", "application/octet-stream"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- df := st.wantData()
- if !df.StreamEnded() {
- t.Error("expected DATA to have END_STREAM flag")
- }
- if got := string(df.Data()); got != msg {
- t.Errorf("got DATA %q; want %q", got, msg)
- }
- })
-}
-
-func TestServer_Response_TransferEncoding_chunked(t *testing.T) {
- const msg = "hi"
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("Transfer-Encoding", "chunked") // should be stripped
- io.WriteString(w, msg)
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "text/plain; charset=utf-8"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- })
-}
-
-// Header accessed only after the initial write.
-func TestServer_Response_Data_IgnoreHeaderAfterWrite_After(t *testing.T) {
- const msg = "<html>this is HTML."
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- io.WriteString(w, msg)
- w.Header().Set("foo", "should be ignored")
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "text/html; charset=utf-8"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- })
-}
-
-// Header accessed before the initial write and later mutated.
-func TestServer_Response_Data_IgnoreHeaderAfterWrite_Overwrite(t *testing.T) {
- const msg = "<html>this is HTML."
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("foo", "proper value")
- io.WriteString(w, msg)
- w.Header().Set("foo", "should be ignored")
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"foo", "proper value"},
- {"content-type", "text/html; charset=utf-8"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- })
-}
-
-func TestServer_Response_Data_SniffLenType(t *testing.T) {
- const msg = "<html>this is HTML."
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- io.WriteString(w, msg)
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("don't want END_STREAM, expecting data")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "text/html; charset=utf-8"},
- {"content-length", strconv.Itoa(len(msg))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- df := st.wantData()
- if !df.StreamEnded() {
- t.Error("expected DATA to have END_STREAM flag")
- }
- if got := string(df.Data()); got != msg {
- t.Errorf("got DATA %q; want %q", got, msg)
- }
- })
-}
-
-func TestServer_Response_Header_Flush_MidWrite(t *testing.T) {
- const msg = "<html>this is HTML"
- const msg2 = ", and this is the next chunk"
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- io.WriteString(w, msg)
- w.(http.Flusher).Flush()
- io.WriteString(w, msg2)
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "text/html; charset=utf-8"}, // sniffed
- // and no content-length
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- {
- df := st.wantData()
- if df.StreamEnded() {
- t.Error("unexpected END_STREAM flag")
- }
- if got := string(df.Data()); got != msg {
- t.Errorf("got DATA %q; want %q", got, msg)
- }
- }
- {
- df := st.wantData()
- if !df.StreamEnded() {
- t.Error("wanted END_STREAM flag on last data chunk")
- }
- if got := string(df.Data()); got != msg2 {
- t.Errorf("got DATA %q; want %q", got, msg2)
- }
- }
- })
-}
-
-func TestServer_Response_LargeWrite(t *testing.T) {
- const size = 1 << 20
- const maxFrameSize = 16 << 10
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- n, err := w.Write(bytes.Repeat([]byte("a"), size))
- if err != nil {
- return fmt.Errorf("Write error: %v", err)
- }
- if n != size {
- return fmt.Errorf("wrong size %d from Write", n)
- }
- return nil
- }, func(st *serverTester) {
- if err := st.fr.WriteSettings(
- Setting{SettingInitialWindowSize, 0},
- Setting{SettingMaxFrameSize, maxFrameSize},
- ); err != nil {
- t.Fatal(err)
- }
- st.wantSettingsAck()
-
- getSlash(st) // make the single request
-
- // Give the handler quota to write:
- if err := st.fr.WriteWindowUpdate(1, size); err != nil {
- t.Fatal(err)
- }
- // Give the handler quota to write to connection-level
- // window as well
- if err := st.fr.WriteWindowUpdate(0, size); err != nil {
- t.Fatal(err)
- }
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"content-type", "text/plain; charset=utf-8"}, // sniffed
- // and no content-length
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
- var bytes, frames int
- for {
- df := st.wantData()
- bytes += len(df.Data())
- frames++
- for _, b := range df.Data() {
- if b != 'a' {
- t.Fatal("non-'a' byte seen in DATA")
- }
- }
- if df.StreamEnded() {
- break
- }
- }
- if bytes != size {
- t.Errorf("Got %d bytes; want %d", bytes, size)
- }
- if want := int(size / maxFrameSize); frames < want || frames > want*2 {
- t.Errorf("Got %d frames; want %d", frames, size)
- }
- })
-}
-
-// Test that the handler can't write more than the client allows
-func TestServer_Response_LargeWrite_FlowControlled(t *testing.T) {
- // Make these reads. Before each read, the client adds exactly enough
- // flow-control to satisfy the read. Numbers chosen arbitrarily.
- reads := []int{123, 1, 13, 127}
- size := 0
- for _, n := range reads {
- size += n
- }
-
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.(http.Flusher).Flush()
- n, err := w.Write(bytes.Repeat([]byte("a"), size))
- if err != nil {
- return fmt.Errorf("Write error: %v", err)
- }
- if n != size {
- return fmt.Errorf("wrong size %d from Write", n)
- }
- return nil
- }, func(st *serverTester) {
- // Set the window size to something explicit for this test.
- // It's also how much initial data we expect.
- if err := st.fr.WriteSettings(Setting{SettingInitialWindowSize, uint32(reads[0])}); err != nil {
- t.Fatal(err)
- }
- st.wantSettingsAck()
-
- getSlash(st) // make the single request
-
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
-
- df := st.wantData()
- if got := len(df.Data()); got != reads[0] {
- t.Fatalf("Initial window size = %d but got DATA with %d bytes", reads[0], got)
- }
-
- for _, quota := range reads[1:] {
- if err := st.fr.WriteWindowUpdate(1, uint32(quota)); err != nil {
- t.Fatal(err)
- }
- df := st.wantData()
- if int(quota) != len(df.Data()) {
- t.Fatalf("read %d bytes after giving %d quota", len(df.Data()), quota)
- }
- }
- })
-}
-
-// Test that the handler blocked in a Write is unblocked if the server sends a RST_STREAM.
-func TestServer_Response_RST_Unblocks_LargeWrite(t *testing.T) {
- const size = 1 << 20
- const maxFrameSize = 16 << 10
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.(http.Flusher).Flush()
- errc := make(chan error, 1)
- go func() {
- _, err := w.Write(bytes.Repeat([]byte("a"), size))
- errc <- err
- }()
- select {
- case err := <-errc:
- if err == nil {
- return errors.New("unexpected nil error from Write in handler")
- }
- return nil
- case <-time.After(2 * time.Second):
- return errors.New("timeout waiting for Write in handler")
- }
- }, func(st *serverTester) {
- if err := st.fr.WriteSettings(
- Setting{SettingInitialWindowSize, 0},
- Setting{SettingMaxFrameSize, maxFrameSize},
- ); err != nil {
- t.Fatal(err)
- }
- st.wantSettingsAck()
-
- getSlash(st) // make the single request
-
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
-
- if err := st.fr.WriteRSTStream(1, ErrCodeCancel); err != nil {
- t.Fatal(err)
- }
- })
-}
-
-func TestServer_Response_Empty_Data_Not_FlowControlled(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.(http.Flusher).Flush()
- // Nothing; send empty DATA
- return nil
- }, func(st *serverTester) {
- // Handler gets no data quota:
- if err := st.fr.WriteSettings(Setting{SettingInitialWindowSize, 0}); err != nil {
- t.Fatal(err)
- }
- st.wantSettingsAck()
-
- getSlash(st) // make the single request
-
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
-
- df := st.wantData()
- if got := len(df.Data()); got != 0 {
- t.Fatalf("unexpected %d DATA bytes; want 0", got)
- }
- if !df.StreamEnded() {
- t.Fatal("DATA didn't have END_STREAM")
- }
- })
-}
-
-func TestServer_Response_Automatic100Continue(t *testing.T) {
- const msg = "foo"
- const reply = "bar"
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- if v := r.Header.Get("Expect"); v != "" {
- t.Errorf("Expect header = %q; want empty", v)
- }
- buf := make([]byte, len(msg))
- // This read should trigger the 100-continue being sent.
- if n, err := io.ReadFull(r.Body, buf); err != nil || n != len(msg) || string(buf) != msg {
- return fmt.Errorf("ReadFull = %q, %v; want %q, nil", buf[:n], err, msg)
- }
- _, err := io.WriteString(w, reply)
- return err
- }, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "POST", "expect", "100-continue"),
- EndStream: false,
- EndHeaders: true,
- })
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "100"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Fatalf("Got headers %v; want %v", goth, wanth)
- }
-
- // Okay, they sent status 100, so we can send our
- // gigantic and/or sensitive "foo" payload now.
- st.writeData(1, true, []byte(msg))
-
- st.wantWindowUpdate(0, uint32(len(msg)))
-
- hf = st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("expected data to follow")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- goth = st.decodeHeader(hf.HeaderBlockFragment())
- wanth = [][2]string{
- {":status", "200"},
- {"content-type", "text/plain; charset=utf-8"},
- {"content-length", strconv.Itoa(len(reply))},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
-
- df := st.wantData()
- if string(df.Data()) != reply {
- t.Errorf("Client read %q; want %q", df.Data(), reply)
- }
- if !df.StreamEnded() {
- t.Errorf("expect data stream end")
- }
- })
-}
-
-func TestServer_HandlerWriteErrorOnDisconnect(t *testing.T) {
- errc := make(chan error, 1)
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- p := []byte("some data.\n")
- for {
- _, err := w.Write(p)
- if err != nil {
- errc <- err
- return nil
- }
- }
- }, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: false,
- EndHeaders: true,
- })
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("unexpected END_STREAM flag")
- }
- if !hf.HeadersEnded() {
- t.Fatal("want END_HEADERS flag")
- }
- // Close the connection and wait for the handler to (hopefully) notice.
- st.cc.Close()
- select {
- case <-errc:
- case <-time.After(5 * time.Second):
- t.Error("timeout")
- }
- })
-}
-
-func TestServer_Rejects_Too_Many_Streams(t *testing.T) {
- const testPath = "/some/path"
-
- inHandler := make(chan uint32)
- leaveHandler := make(chan bool)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- id := w.(*responseWriter).rws.stream.id
- inHandler <- id
- if id == 1+(defaultMaxStreams+1)*2 && r.URL.Path != testPath {
- t.Errorf("decoded final path as %q; want %q", r.URL.Path, testPath)
- }
- <-leaveHandler
- })
- defer st.Close()
- st.greet()
- nextStreamID := uint32(1)
- streamID := func() uint32 {
- defer func() { nextStreamID += 2 }()
- return nextStreamID
- }
- sendReq := func(id uint32, headers ...string) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: id,
- BlockFragment: st.encodeHeader(headers...),
- EndStream: true,
- EndHeaders: true,
- })
- }
- for i := 0; i < defaultMaxStreams; i++ {
- sendReq(streamID())
- <-inHandler
- }
- defer func() {
- for i := 0; i < defaultMaxStreams; i++ {
- leaveHandler <- true
- }
- }()
-
- // And this one should cross the limit:
- // (It's also sent as a CONTINUATION, to verify we still track the decoder context,
- // even if we're rejecting it)
- rejectID := streamID()
- headerBlock := st.encodeHeader(":path", testPath)
- frag1, frag2 := headerBlock[:3], headerBlock[3:]
- st.writeHeaders(HeadersFrameParam{
- StreamID: rejectID,
- BlockFragment: frag1,
- EndStream: true,
- EndHeaders: false, // CONTINUATION coming
- })
- if err := st.fr.WriteContinuation(rejectID, true, frag2); err != nil {
- t.Fatal(err)
- }
- st.wantRSTStream(rejectID, ErrCodeProtocol)
-
- // But let a handler finish:
- leaveHandler <- true
- st.wantHeaders()
-
- // And now another stream should be able to start:
- goodID := streamID()
- sendReq(goodID, ":path", testPath)
- select {
- case got := <-inHandler:
- if got != goodID {
- t.Errorf("Got stream %d; want %d", got, goodID)
- }
- case <-time.After(3 * time.Second):
- t.Error("timeout waiting for handler")
- }
-}
-
-// So many response headers that the server needs to use CONTINUATION frames:
-func TestServer_Response_ManyHeaders_With_Continuation(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- h := w.Header()
- for i := 0; i < 5000; i++ {
- h.Set(fmt.Sprintf("x-header-%d", i), fmt.Sprintf("x-value-%d", i))
- }
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.HeadersEnded() {
- t.Fatal("got unwanted END_HEADERS flag")
- }
- n := 0
- for {
- n++
- cf := st.wantContinuation()
- if cf.HeadersEnded() {
- break
- }
- }
- if n < 5 {
- t.Errorf("Only got %d CONTINUATION frames; expected 5+ (currently 6)", n)
- }
- })
-}
-
-// This previously crashed (reported by Mathieu Lonjaret as observed
-// while using Camlistore) because we got a DATA frame from the client
-// after the handler exited and our logic at the time was wrong,
-// keeping a stream in the map in stateClosed, which tickled an
-// invariant check later when we tried to remove that stream (via
-// defer sc.closeAllStreamsOnConnClose) when the serverConn serve loop
-// ended.
-func TestServer_NoCrash_HandlerClose_Then_ClientClose(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- // nothing
- return nil
- }, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: false, // DATA is coming
- EndHeaders: true,
- })
- hf := st.wantHeaders()
- if !hf.HeadersEnded() || !hf.StreamEnded() {
- t.Fatalf("want END_HEADERS+END_STREAM, got %v", hf)
- }
-
- // Sent when the a Handler closes while a client has
- // indicated it's still sending DATA:
- st.wantRSTStream(1, ErrCodeNo)
-
- // Now the handler has ended, so it's ended its
- // stream, but the client hasn't closed its side
- // (stateClosedLocal). So send more data and verify
- // it doesn't crash with an internal invariant panic, like
- // it did before.
- st.writeData(1, true, []byte("foo"))
-
- // Sent after a peer sends data anyway (admittedly the
- // previous RST_STREAM might've still been in-flight),
- // but they'll get the more friendly 'cancel' code
- // first.
- st.wantRSTStream(1, ErrCodeStreamClosed)
-
- // Set up a bunch of machinery to record the panic we saw
- // previously.
- var (
- panMu sync.Mutex
- panicVal interface{}
- )
-
- testHookOnPanicMu.Lock()
- testHookOnPanic = func(sc *serverConn, pv interface{}) bool {
- panMu.Lock()
- panicVal = pv
- panMu.Unlock()
- return true
- }
- testHookOnPanicMu.Unlock()
-
- // Now force the serve loop to end, via closing the connection.
- st.cc.Close()
- select {
- case <-st.sc.doneServing:
- // Loop has exited.
- panMu.Lock()
- got := panicVal
- panMu.Unlock()
- if got != nil {
- t.Errorf("Got panic: %v", got)
- }
- case <-time.After(5 * time.Second):
- t.Error("timeout")
- }
- })
-}
-
-func TestServer_Rejects_TLS10(t *testing.T) { testRejectTLS(t, tls.VersionTLS10) }
-func TestServer_Rejects_TLS11(t *testing.T) { testRejectTLS(t, tls.VersionTLS11) }
-
-func testRejectTLS(t *testing.T, max uint16) {
- st := newServerTester(t, nil, func(c *tls.Config) {
- c.MaxVersion = max
- })
- defer st.Close()
- gf := st.wantGoAway()
- if got, want := gf.ErrCode, ErrCodeInadequateSecurity; got != want {
- t.Errorf("Got error code %v; want %v", got, want)
- }
-}
-
-func TestServer_Rejects_TLSBadCipher(t *testing.T) {
- st := newServerTester(t, nil, func(c *tls.Config) {
- // Only list bad ones:
- c.CipherSuites = []uint16{
- tls.TLS_RSA_WITH_RC4_128_SHA,
- tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
- tls.TLS_RSA_WITH_AES_128_CBC_SHA,
- tls.TLS_RSA_WITH_AES_256_CBC_SHA,
- tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
- tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
- tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
- tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
- tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
- tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
- tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
- cipher_TLS_RSA_WITH_AES_128_CBC_SHA256,
- }
- })
- defer st.Close()
- gf := st.wantGoAway()
- if got, want := gf.ErrCode, ErrCodeInadequateSecurity; got != want {
- t.Errorf("Got error code %v; want %v", got, want)
- }
-}
-
-func TestServer_Advertises_Common_Cipher(t *testing.T) {
- const requiredSuite = tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
- st := newServerTester(t, nil, func(c *tls.Config) {
- // Have the client only support the one required by the spec.
- c.CipherSuites = []uint16{requiredSuite}
- }, func(ts *httptest.Server) {
- var srv *http.Server = ts.Config
- // Have the server configured with no specific cipher suites.
- // This tests that Go's defaults include the required one.
- srv.TLSConfig = nil
- })
- defer st.Close()
- st.greet()
-}
-
-func (st *serverTester) onHeaderField(f hpack.HeaderField) {
- if f.Name == "date" {
- return
- }
- st.decodedHeaders = append(st.decodedHeaders, [2]string{f.Name, f.Value})
-}
-
-func (st *serverTester) decodeHeader(headerBlock []byte) (pairs [][2]string) {
- st.decodedHeaders = nil
- if _, err := st.hpackDec.Write(headerBlock); err != nil {
- st.t.Fatalf("hpack decoding error: %v", err)
- }
- if err := st.hpackDec.Close(); err != nil {
- st.t.Fatalf("hpack decoding error: %v", err)
- }
- return st.decodedHeaders
-}
-
-// testServerResponse sets up an idle HTTP/2 connection. The client function should
-// write a single request that must be handled by the handler. This waits up to 5s
-// for client to return, then up to an additional 2s for the handler to return.
-func testServerResponse(t testing.TB,
- handler func(http.ResponseWriter, *http.Request) error,
- client func(*serverTester),
-) {
- errc := make(chan error, 1)
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- if r.Body == nil {
- t.Fatal("nil Body")
- }
- errc <- handler(w, r)
- })
- defer st.Close()
-
- donec := make(chan bool)
- go func() {
- defer close(donec)
- st.greet()
- client(st)
- }()
-
- select {
- case <-donec:
- case <-time.After(5 * time.Second):
- t.Fatal("timeout in client")
- }
-
- select {
- case err := <-errc:
- if err != nil {
- t.Fatalf("Error in handler: %v", err)
- }
- case <-time.After(2 * time.Second):
- t.Fatal("timeout in handler")
- }
-}
-
-// readBodyHandler returns an http Handler func that reads len(want)
-// bytes from r.Body and fails t if the contents read were not
-// the value of want.
-func readBodyHandler(t *testing.T, want string) func(w http.ResponseWriter, r *http.Request) {
- return func(w http.ResponseWriter, r *http.Request) {
- buf := make([]byte, len(want))
- _, err := io.ReadFull(r.Body, buf)
- if err != nil {
- t.Error(err)
- return
- }
- if string(buf) != want {
- t.Errorf("read %q; want %q", buf, want)
- }
- }
-}
-
-// TestServerWithCurl currently fails, hence the LenientCipherSuites test. See:
-// https://github.com/tatsuhiro-t/nghttp2/issues/140 &
-// http://sourceforge.net/p/curl/bugs/1472/
-func TestServerWithCurl(t *testing.T) { testServerWithCurl(t, false) }
-func TestServerWithCurl_LenientCipherSuites(t *testing.T) { testServerWithCurl(t, true) }
-
-func testServerWithCurl(t *testing.T, permitProhibitedCipherSuites bool) {
- if runtime.GOOS != "linux" {
- t.Skip("skipping Docker test when not on Linux; requires --net which won't work with boot2docker anyway")
- }
- if testing.Short() {
- t.Skip("skipping curl test in short mode")
- }
- requireCurl(t)
- var gotConn int32
- testHookOnConn = func() { atomic.StoreInt32(&gotConn, 1) }
-
- const msg = "Hello from curl!\n"
- ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
- w.Header().Set("Foo", "Bar")
- w.Header().Set("Client-Proto", r.Proto)
- io.WriteString(w, msg)
- }))
- ConfigureServer(ts.Config, &Server{
- PermitProhibitedCipherSuites: permitProhibitedCipherSuites,
- })
- ts.TLS = ts.Config.TLSConfig // the httptest.Server has its own copy of this TLS config
- ts.StartTLS()
- defer ts.Close()
-
- t.Logf("Running test server for curl to hit at: %s", ts.URL)
- container := curl(t, "--silent", "--http2", "--insecure", "-v", ts.URL)
- defer kill(container)
- resc := make(chan interface{}, 1)
- go func() {
- res, err := dockerLogs(container)
- if err != nil {
- resc <- err
- } else {
- resc <- res
- }
- }()
- select {
- case res := <-resc:
- if err, ok := res.(error); ok {
- t.Fatal(err)
- }
- body := string(res.([]byte))
- // Search for both "key: value" and "key:value", since curl changed their format
- // Our Dockerfile contains the latest version (no space), but just in case people
- // didn't rebuild, check both.
- if !strings.Contains(body, "foo: Bar") && !strings.Contains(body, "foo:Bar") {
- t.Errorf("didn't see foo: Bar header")
- t.Logf("Got: %s", body)
- }
- if !strings.Contains(body, "client-proto: HTTP/2") && !strings.Contains(body, "client-proto:HTTP/2") {
- t.Errorf("didn't see client-proto: HTTP/2 header")
- t.Logf("Got: %s", res)
- }
- if !strings.Contains(string(res.([]byte)), msg) {
- t.Errorf("didn't see %q content", msg)
- t.Logf("Got: %s", res)
- }
- case <-time.After(3 * time.Second):
- t.Errorf("timeout waiting for curl")
- }
-
- if atomic.LoadInt32(&gotConn) == 0 {
- t.Error("never saw an http2 connection")
- }
-}
-
-var doh2load = flag.Bool("h2load", false, "Run h2load test")
-
-func TestServerWithH2Load(t *testing.T) {
- if !*doh2load {
- t.Skip("Skipping without --h2load flag.")
- }
- if runtime.GOOS != "linux" {
- t.Skip("skipping Docker test when not on Linux; requires --net which won't work with boot2docker anyway")
- }
- requireH2load(t)
-
- msg := strings.Repeat("Hello, h2load!\n", 5000)
- ts := httptest.NewUnstartedServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
- io.WriteString(w, msg)
- w.(http.Flusher).Flush()
- io.WriteString(w, msg)
- }))
- ts.StartTLS()
- defer ts.Close()
-
- cmd := exec.Command("docker", "run", "--net=host", "--entrypoint=/usr/local/bin/h2load", "gohttp2/curl",
- "-n100000", "-c100", "-m100", ts.URL)
- cmd.Stdout = os.Stdout
- cmd.Stderr = os.Stderr
- if err := cmd.Run(); err != nil {
- t.Fatal(err)
- }
-}
-
-// Issue 12843
-func TestServerDoS_MaxHeaderListSize(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {})
- defer st.Close()
-
- // shake hands
- frameSize := defaultMaxReadFrameSize
- var advHeaderListSize *uint32
- st.greetAndCheckSettings(func(s Setting) error {
- switch s.ID {
- case SettingMaxFrameSize:
- if s.Val < minMaxFrameSize {
- frameSize = minMaxFrameSize
- } else if s.Val > maxFrameSize {
- frameSize = maxFrameSize
- } else {
- frameSize = int(s.Val)
- }
- case SettingMaxHeaderListSize:
- advHeaderListSize = &s.Val
- }
- return nil
- })
-
- if advHeaderListSize == nil {
- t.Errorf("server didn't advertise a max header list size")
- } else if *advHeaderListSize == 0 {
- t.Errorf("server advertised a max header list size of 0")
- }
-
- st.encodeHeaderField(":method", "GET")
- st.encodeHeaderField(":path", "/")
- st.encodeHeaderField(":scheme", "https")
- cookie := strings.Repeat("*", 4058)
- st.encodeHeaderField("cookie", cookie)
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.headerBuf.Bytes(),
- EndStream: true,
- EndHeaders: false,
- })
-
- // Capture the short encoding of a duplicate ~4K cookie, now
- // that we've already sent it once.
- st.headerBuf.Reset()
- st.encodeHeaderField("cookie", cookie)
-
- // Now send 1MB of it.
- const size = 1 << 20
- b := bytes.Repeat(st.headerBuf.Bytes(), size/st.headerBuf.Len())
- for len(b) > 0 {
- chunk := b
- if len(chunk) > frameSize {
- chunk = chunk[:frameSize]
- }
- b = b[len(chunk):]
- st.fr.WriteContinuation(1, len(b) == 0, chunk)
- }
-
- h := st.wantHeaders()
- if !h.HeadersEnded() {
- t.Fatalf("Got HEADERS without END_HEADERS set: %v", h)
- }
- headers := st.decodeHeader(h.HeaderBlockFragment())
- want := [][2]string{
- {":status", "431"},
- {"content-type", "text/html; charset=utf-8"},
- {"content-length", "63"},
- }
- if !reflect.DeepEqual(headers, want) {
- t.Errorf("Headers mismatch.\n got: %q\nwant: %q\n", headers, want)
- }
-}
-
-func TestCompressionErrorOnWrite(t *testing.T) {
- const maxStrLen = 8 << 10
- var serverConfig *http.Server
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- // No response body.
- }, func(ts *httptest.Server) {
- serverConfig = ts.Config
- serverConfig.MaxHeaderBytes = maxStrLen
- })
- st.addLogFilter("connection error: COMPRESSION_ERROR")
- defer st.Close()
- st.greet()
-
- maxAllowed := st.sc.framer.maxHeaderStringLen()
-
- // Crank this up, now that we have a conn connected with the
- // hpack.Decoder's max string length set has been initialized
- // from the earlier low ~8K value. We want this higher so don't
- // hit the max header list size. We only want to test hitting
- // the max string size.
- serverConfig.MaxHeaderBytes = 1 << 20
-
- // First a request with a header that's exactly the max allowed size
- // for the hpack compression. It's still too long for the header list
- // size, so we'll get the 431 error, but that keeps the compression
- // context still valid.
- hbf := st.encodeHeader("foo", strings.Repeat("a", maxAllowed))
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: hbf,
- EndStream: true,
- EndHeaders: true,
- })
- h := st.wantHeaders()
- if !h.HeadersEnded() {
- t.Fatalf("Got HEADERS without END_HEADERS set: %v", h)
- }
- headers := st.decodeHeader(h.HeaderBlockFragment())
- want := [][2]string{
- {":status", "431"},
- {"content-type", "text/html; charset=utf-8"},
- {"content-length", "63"},
- }
- if !reflect.DeepEqual(headers, want) {
- t.Errorf("Headers mismatch.\n got: %q\nwant: %q\n", headers, want)
- }
- df := st.wantData()
- if !strings.Contains(string(df.Data()), "HTTP Error 431") {
- t.Errorf("Unexpected data body: %q", df.Data())
- }
- if !df.StreamEnded() {
- t.Fatalf("expect data stream end")
- }
-
- // And now send one that's just one byte too big.
- hbf = st.encodeHeader("bar", strings.Repeat("b", maxAllowed+1))
- st.writeHeaders(HeadersFrameParam{
- StreamID: 3,
- BlockFragment: hbf,
- EndStream: true,
- EndHeaders: true,
- })
- ga := st.wantGoAway()
- if ga.ErrCode != ErrCodeCompression {
- t.Errorf("GOAWAY err = %v; want ErrCodeCompression", ga.ErrCode)
- }
-}
-
-func TestCompressionErrorOnClose(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- // No response body.
- })
- st.addLogFilter("connection error: COMPRESSION_ERROR")
- defer st.Close()
- st.greet()
-
- hbf := st.encodeHeader("foo", "bar")
- hbf = hbf[:len(hbf)-1] // truncate one byte from the end, so hpack.Decoder.Close fails.
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: hbf,
- EndStream: true,
- EndHeaders: true,
- })
- ga := st.wantGoAway()
- if ga.ErrCode != ErrCodeCompression {
- t.Errorf("GOAWAY err = %v; want ErrCodeCompression", ga.ErrCode)
- }
-}
-
-// test that a server handler can read trailers from a client
-func TestServerReadsTrailers(t *testing.T) {
- const testBody = "some test body"
- writeReq := func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader("trailer", "Foo, Bar", "trailer", "Baz"),
- EndStream: false,
- EndHeaders: true,
- })
- st.writeData(1, false, []byte(testBody))
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeaderRaw(
- "foo", "foov",
- "bar", "barv",
- "baz", "bazv",
- "surprise", "wasn't declared; shouldn't show up",
- ),
- EndStream: true,
- EndHeaders: true,
- })
- }
- checkReq := func(r *http.Request) {
- wantTrailer := http.Header{
- "Foo": nil,
- "Bar": nil,
- "Baz": nil,
- }
- if !reflect.DeepEqual(r.Trailer, wantTrailer) {
- t.Errorf("initial Trailer = %v; want %v", r.Trailer, wantTrailer)
- }
- slurp, err := ioutil.ReadAll(r.Body)
- if string(slurp) != testBody {
- t.Errorf("read body %q; want %q", slurp, testBody)
- }
- if err != nil {
- t.Fatalf("Body slurp: %v", err)
- }
- wantTrailerAfter := http.Header{
- "Foo": {"foov"},
- "Bar": {"barv"},
- "Baz": {"bazv"},
- }
- if !reflect.DeepEqual(r.Trailer, wantTrailerAfter) {
- t.Errorf("final Trailer = %v; want %v", r.Trailer, wantTrailerAfter)
- }
- }
- testServerRequest(t, writeReq, checkReq)
-}
-
-// test that a server handler can send trailers
-func TestServerWritesTrailers_WithFlush(t *testing.T) { testServerWritesTrailers(t, true) }
-func TestServerWritesTrailers_WithoutFlush(t *testing.T) { testServerWritesTrailers(t, false) }
-
-func testServerWritesTrailers(t *testing.T, withFlush bool) {
- // See https://httpwg.github.io/specs/rfc7540.html#rfc.section.8.1.3
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("Trailer", "Server-Trailer-A, Server-Trailer-B")
- w.Header().Add("Trailer", "Server-Trailer-C")
- w.Header().Add("Trailer", "Transfer-Encoding, Content-Length, Trailer") // filtered
-
- // Regular headers:
- w.Header().Set("Foo", "Bar")
- w.Header().Set("Content-Length", "5") // len("Hello")
-
- io.WriteString(w, "Hello")
- if withFlush {
- w.(http.Flusher).Flush()
- }
- w.Header().Set("Server-Trailer-A", "valuea")
- w.Header().Set("Server-Trailer-C", "valuec") // skipping B
- // After a flush, random keys like Server-Surprise shouldn't show up:
- w.Header().Set("Server-Surpise", "surprise! this isn't predeclared!")
- // But we do permit promoting keys to trailers after a
- // flush if they start with the magic
- // otherwise-invalid "Trailer:" prefix:
- w.Header().Set("Trailer:Post-Header-Trailer", "hi1")
- w.Header().Set("Trailer:post-header-trailer2", "hi2")
- w.Header().Set("Trailer:Range", "invalid")
- w.Header().Set("Trailer:Foo\x01Bogus", "invalid")
- w.Header().Set("Transfer-Encoding", "should not be included; Forbidden by RFC 7230 4.1.2")
- w.Header().Set("Content-Length", "should not be included; Forbidden by RFC 7230 4.1.2")
- w.Header().Set("Trailer", "should not be included; Forbidden by RFC 7230 4.1.2")
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if hf.StreamEnded() {
- t.Fatal("response HEADERS had END_STREAM")
- }
- if !hf.HeadersEnded() {
- t.Fatal("response HEADERS didn't have END_HEADERS")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"foo", "Bar"},
- {"trailer", "Server-Trailer-A, Server-Trailer-B"},
- {"trailer", "Server-Trailer-C"},
- {"trailer", "Transfer-Encoding, Content-Length, Trailer"},
- {"content-type", "text/plain; charset=utf-8"},
- {"content-length", "5"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Header mismatch.\n got: %v\nwant: %v", goth, wanth)
- }
- df := st.wantData()
- if string(df.Data()) != "Hello" {
- t.Fatalf("Client read %q; want Hello", df.Data())
- }
- if df.StreamEnded() {
- t.Fatalf("data frame had STREAM_ENDED")
- }
- tf := st.wantHeaders() // for the trailers
- if !tf.StreamEnded() {
- t.Fatalf("trailers HEADERS lacked END_STREAM")
- }
- if !tf.HeadersEnded() {
- t.Fatalf("trailers HEADERS lacked END_HEADERS")
- }
- wanth = [][2]string{
- {"post-header-trailer", "hi1"},
- {"post-header-trailer2", "hi2"},
- {"server-trailer-a", "valuea"},
- {"server-trailer-c", "valuec"},
- }
- goth = st.decodeHeader(tf.HeaderBlockFragment())
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Header mismatch.\n got: %v\nwant: %v", goth, wanth)
- }
- })
-}
-
-// validate transmitted header field names & values
-// golang.org/issue/14048
-func TestServerDoesntWriteInvalidHeaders(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Add("OK1", "x")
- w.Header().Add("Bad:Colon", "x") // colon (non-token byte) in key
- w.Header().Add("Bad1\x00", "x") // null in key
- w.Header().Add("Bad2", "x\x00y") // null in value
- return nil
- }, func(st *serverTester) {
- getSlash(st)
- hf := st.wantHeaders()
- if !hf.StreamEnded() {
- t.Error("response HEADERS lacked END_STREAM")
- }
- if !hf.HeadersEnded() {
- t.Fatal("response HEADERS didn't have END_HEADERS")
- }
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"ok1", "x"},
- {"content-length", "0"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Header mismatch.\n got: %v\nwant: %v", goth, wanth)
- }
- })
-}
-
-func BenchmarkServerGets(b *testing.B) {
- defer disableGoroutineTracking()()
- b.ReportAllocs()
-
- const msg = "Hello, world"
- st := newServerTester(b, func(w http.ResponseWriter, r *http.Request) {
- io.WriteString(w, msg)
- })
- defer st.Close()
- st.greet()
-
- // Give the server quota to reply. (plus it has the 64KB)
- if err := st.fr.WriteWindowUpdate(0, uint32(b.N*len(msg))); err != nil {
- b.Fatal(err)
- }
-
- for i := 0; i < b.N; i++ {
- id := 1 + uint32(i)*2
- st.writeHeaders(HeadersFrameParam{
- StreamID: id,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- st.wantHeaders()
- df := st.wantData()
- if !df.StreamEnded() {
- b.Fatalf("DATA didn't have END_STREAM; got %v", df)
- }
- }
-}
-
-func BenchmarkServerPosts(b *testing.B) {
- defer disableGoroutineTracking()()
- b.ReportAllocs()
-
- const msg = "Hello, world"
- st := newServerTester(b, func(w http.ResponseWriter, r *http.Request) {
- // Consume the (empty) body from th peer before replying, otherwise
- // the server will sometimes (depending on scheduling) send the peer a
- // a RST_STREAM with the CANCEL error code.
- if n, err := io.Copy(ioutil.Discard, r.Body); n != 0 || err != nil {
- b.Errorf("Copy error; got %v, %v; want 0, nil", n, err)
- }
- io.WriteString(w, msg)
- })
- defer st.Close()
- st.greet()
-
- // Give the server quota to reply. (plus it has the 64KB)
- if err := st.fr.WriteWindowUpdate(0, uint32(b.N*len(msg))); err != nil {
- b.Fatal(err)
- }
-
- for i := 0; i < b.N; i++ {
- id := 1 + uint32(i)*2
- st.writeHeaders(HeadersFrameParam{
- StreamID: id,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false,
- EndHeaders: true,
- })
- st.writeData(id, true, nil)
- st.wantHeaders()
- df := st.wantData()
- if !df.StreamEnded() {
- b.Fatalf("DATA didn't have END_STREAM; got %v", df)
- }
- }
-}
-
-// Send a stream of messages from server to client in separate data frames.
-// Brings up performance issues seen in long streams.
-// Created to show problem in go issue #18502
-func BenchmarkServerToClientStreamDefaultOptions(b *testing.B) {
- benchmarkServerToClientStream(b)
-}
-
-// Justification for Change-Id: Iad93420ef6c3918f54249d867098f1dadfa324d8
-// Expect to see memory/alloc reduction by opting in to Frame reuse with the Framer.
-func BenchmarkServerToClientStreamReuseFrames(b *testing.B) {
- benchmarkServerToClientStream(b, optFramerReuseFrames)
-}
-
-func benchmarkServerToClientStream(b *testing.B, newServerOpts ...interface{}) {
- defer disableGoroutineTracking()()
- b.ReportAllocs()
- const msgLen = 1
- // default window size
- const windowSize = 1<<16 - 1
-
- // next message to send from the server and for the client to expect
- nextMsg := func(i int) []byte {
- msg := make([]byte, msgLen)
- msg[0] = byte(i)
- if len(msg) != msgLen {
- panic("invalid test setup msg length")
- }
- return msg
- }
-
- st := newServerTester(b, func(w http.ResponseWriter, r *http.Request) {
- // Consume the (empty) body from th peer before replying, otherwise
- // the server will sometimes (depending on scheduling) send the peer a
- // a RST_STREAM with the CANCEL error code.
- if n, err := io.Copy(ioutil.Discard, r.Body); n != 0 || err != nil {
- b.Errorf("Copy error; got %v, %v; want 0, nil", n, err)
- }
- for i := 0; i < b.N; i += 1 {
- w.Write(nextMsg(i))
- w.(http.Flusher).Flush()
- }
- }, newServerOpts...)
- defer st.Close()
- st.greet()
-
- const id = uint32(1)
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: id,
- BlockFragment: st.encodeHeader(":method", "POST"),
- EndStream: false,
- EndHeaders: true,
- })
-
- st.writeData(id, true, nil)
- st.wantHeaders()
-
- var pendingWindowUpdate = uint32(0)
-
- for i := 0; i < b.N; i += 1 {
- expected := nextMsg(i)
- df := st.wantData()
- if bytes.Compare(expected, df.data) != 0 {
- b.Fatalf("Bad message received; want %v; got %v", expected, df.data)
- }
- // try to send infrequent but large window updates so they don't overwhelm the test
- pendingWindowUpdate += uint32(len(df.data))
- if pendingWindowUpdate >= windowSize/2 {
- if err := st.fr.WriteWindowUpdate(0, pendingWindowUpdate); err != nil {
- b.Fatal(err)
- }
- if err := st.fr.WriteWindowUpdate(id, pendingWindowUpdate); err != nil {
- b.Fatal(err)
- }
- pendingWindowUpdate = 0
- }
- }
- df := st.wantData()
- if !df.StreamEnded() {
- b.Fatalf("DATA didn't have END_STREAM; got %v", df)
- }
-}
-
-// go-fuzz bug, originally reported at https://github.com/bradfitz/http2/issues/53
-// Verify we don't hang.
-func TestIssue53(t *testing.T) {
- const data = "PRI * HTTP/2.0\r\n\r\nSM" +
- "\r\n\r\n\x00\x00\x00\x01\ainfinfin\ad"
- s := &http.Server{
- ErrorLog: log.New(io.MultiWriter(stderrv(), twriter{t: t}), "", log.LstdFlags),
- Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
- w.Write([]byte("hello"))
- }),
- }
- s2 := &Server{
- MaxReadFrameSize: 1 << 16,
- PermitProhibitedCipherSuites: true,
- }
- c := &issue53Conn{[]byte(data), false, false}
- s2.ServeConn(c, &ServeConnOpts{BaseConfig: s})
- if !c.closed {
- t.Fatal("connection is not closed")
- }
-}
-
-type issue53Conn struct {
- data []byte
- closed bool
- written bool
-}
-
-func (c *issue53Conn) Read(b []byte) (n int, err error) {
- if len(c.data) == 0 {
- return 0, io.EOF
- }
- n = copy(b, c.data)
- c.data = c.data[n:]
- return
-}
-
-func (c *issue53Conn) Write(b []byte) (n int, err error) {
- c.written = true
- return len(b), nil
-}
-
-func (c *issue53Conn) Close() error {
- c.closed = true
- return nil
-}
-
-func (c *issue53Conn) LocalAddr() net.Addr {
- return &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 49706}
-}
-func (c *issue53Conn) RemoteAddr() net.Addr {
- return &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 49706}
-}
-func (c *issue53Conn) SetDeadline(t time.Time) error { return nil }
-func (c *issue53Conn) SetReadDeadline(t time.Time) error { return nil }
-func (c *issue53Conn) SetWriteDeadline(t time.Time) error { return nil }
-
-// golang.org/issue/12895
-func TestConfigureServer(t *testing.T) {
- tests := []struct {
- name string
- tlsConfig *tls.Config
- wantErr string
- }{
- {
- name: "empty server",
- },
- {
- name: "just the required cipher suite",
- tlsConfig: &tls.Config{
- CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
- },
- },
- {
- name: "just the alternative required cipher suite",
- tlsConfig: &tls.Config{
- CipherSuites: []uint16{tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256},
- },
- },
- {
- name: "missing required cipher suite",
- tlsConfig: &tls.Config{
- CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384},
- },
- wantErr: "is missing an HTTP/2-required AES_128_GCM_SHA256 cipher.",
- },
- {
- name: "required after bad",
- tlsConfig: &tls.Config{
- CipherSuites: []uint16{tls.TLS_RSA_WITH_RC4_128_SHA, tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256},
- },
- wantErr: "contains an HTTP/2-approved cipher suite (0xc02f), but it comes after",
- },
- {
- name: "bad after required",
- tlsConfig: &tls.Config{
- CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, tls.TLS_RSA_WITH_RC4_128_SHA},
- },
- },
- }
- for _, tt := range tests {
- srv := &http.Server{TLSConfig: tt.tlsConfig}
- err := ConfigureServer(srv, nil)
- if (err != nil) != (tt.wantErr != "") {
- if tt.wantErr != "" {
- t.Errorf("%s: success, but want error", tt.name)
- } else {
- t.Errorf("%s: unexpected error: %v", tt.name, err)
- }
- }
- if err != nil && tt.wantErr != "" && !strings.Contains(err.Error(), tt.wantErr) {
- t.Errorf("%s: err = %v; want substring %q", tt.name, err, tt.wantErr)
- }
- if err == nil && !srv.TLSConfig.PreferServerCipherSuites {
- t.Errorf("%s: PreferServerCipherSuite is false; want true", tt.name)
- }
- }
-}
-
-func TestServerRejectHeadWithBody(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- // No response body.
- })
- defer st.Close()
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "HEAD"),
- EndStream: false, // what we're testing, a bogus HEAD request with body
- EndHeaders: true,
- })
- st.wantRSTStream(1, ErrCodeProtocol)
-}
-
-func TestServerNoAutoContentLengthOnHead(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- // No response body. (or smaller than one frame)
- })
- defer st.Close()
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(":method", "HEAD"),
- EndStream: true,
- EndHeaders: true,
- })
- h := st.wantHeaders()
- headers := st.decodeHeader(h.HeaderBlockFragment())
- want := [][2]string{
- {":status", "200"},
- }
- if !reflect.DeepEqual(headers, want) {
- t.Errorf("Headers mismatch.\n got: %q\nwant: %q\n", headers, want)
- }
-}
-
-// golang.org/issue/13495
-func TestServerNoDuplicateContentType(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- w.Header()["Content-Type"] = []string{""}
- fmt.Fprintf(w, "<html><head></head><body>hi</body></html>")
- })
- defer st.Close()
- st.greet()
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- h := st.wantHeaders()
- headers := st.decodeHeader(h.HeaderBlockFragment())
- want := [][2]string{
- {":status", "200"},
- {"content-type", ""},
- {"content-length", "41"},
- }
- if !reflect.DeepEqual(headers, want) {
- t.Errorf("Headers mismatch.\n got: %q\nwant: %q\n", headers, want)
- }
-}
-
-func disableGoroutineTracking() (restore func()) {
- old := DebugGoroutines
- DebugGoroutines = false
- return func() { DebugGoroutines = old }
-}
-
-func BenchmarkServer_GetRequest(b *testing.B) {
- defer disableGoroutineTracking()()
- b.ReportAllocs()
- const msg = "Hello, world."
- st := newServerTester(b, func(w http.ResponseWriter, r *http.Request) {
- n, err := io.Copy(ioutil.Discard, r.Body)
- if err != nil || n > 0 {
- b.Errorf("Read %d bytes, error %v; want 0 bytes.", n, err)
- }
- io.WriteString(w, msg)
- })
- defer st.Close()
-
- st.greet()
- // Give the server quota to reply. (plus it has the 64KB)
- if err := st.fr.WriteWindowUpdate(0, uint32(b.N*len(msg))); err != nil {
- b.Fatal(err)
- }
- hbf := st.encodeHeader(":method", "GET")
- for i := 0; i < b.N; i++ {
- streamID := uint32(1 + 2*i)
- st.writeHeaders(HeadersFrameParam{
- StreamID: streamID,
- BlockFragment: hbf,
- EndStream: true,
- EndHeaders: true,
- })
- st.wantHeaders()
- st.wantData()
- }
-}
-
-func BenchmarkServer_PostRequest(b *testing.B) {
- defer disableGoroutineTracking()()
- b.ReportAllocs()
- const msg = "Hello, world."
- st := newServerTester(b, func(w http.ResponseWriter, r *http.Request) {
- n, err := io.Copy(ioutil.Discard, r.Body)
- if err != nil || n > 0 {
- b.Errorf("Read %d bytes, error %v; want 0 bytes.", n, err)
- }
- io.WriteString(w, msg)
- })
- defer st.Close()
- st.greet()
- // Give the server quota to reply. (plus it has the 64KB)
- if err := st.fr.WriteWindowUpdate(0, uint32(b.N*len(msg))); err != nil {
- b.Fatal(err)
- }
- hbf := st.encodeHeader(":method", "POST")
- for i := 0; i < b.N; i++ {
- streamID := uint32(1 + 2*i)
- st.writeHeaders(HeadersFrameParam{
- StreamID: streamID,
- BlockFragment: hbf,
- EndStream: false,
- EndHeaders: true,
- })
- st.writeData(streamID, true, nil)
- st.wantHeaders()
- st.wantData()
- }
-}
-
-type connStateConn struct {
- net.Conn
- cs tls.ConnectionState
-}
-
-func (c connStateConn) ConnectionState() tls.ConnectionState { return c.cs }
-
-// golang.org/issue/12737 -- handle any net.Conn, not just
-// *tls.Conn.
-func TestServerHandleCustomConn(t *testing.T) {
- var s Server
- c1, c2 := net.Pipe()
- clientDone := make(chan struct{})
- handlerDone := make(chan struct{})
- var req *http.Request
- go func() {
- defer close(clientDone)
- defer c2.Close()
- fr := NewFramer(c2, c2)
- io.WriteString(c2, ClientPreface)
- fr.WriteSettings()
- fr.WriteSettingsAck()
- f, err := fr.ReadFrame()
- if err != nil {
- t.Error(err)
- return
- }
- if sf, ok := f.(*SettingsFrame); !ok || sf.IsAck() {
- t.Errorf("Got %v; want non-ACK SettingsFrame", summarizeFrame(f))
- return
- }
- f, err = fr.ReadFrame()
- if err != nil {
- t.Error(err)
- return
- }
- if sf, ok := f.(*SettingsFrame); !ok || !sf.IsAck() {
- t.Errorf("Got %v; want ACK SettingsFrame", summarizeFrame(f))
- return
- }
- var henc hpackEncoder
- fr.WriteHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: henc.encodeHeaderRaw(t, ":method", "GET", ":path", "/", ":scheme", "https", ":authority", "foo.com"),
- EndStream: true,
- EndHeaders: true,
- })
- go io.Copy(ioutil.Discard, c2)
- <-handlerDone
- }()
- const testString = "my custom ConnectionState"
- fakeConnState := tls.ConnectionState{
- ServerName: testString,
- Version: tls.VersionTLS12,
- CipherSuite: cipher_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
- }
- go s.ServeConn(connStateConn{c1, fakeConnState}, &ServeConnOpts{
- BaseConfig: &http.Server{
- Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
- defer close(handlerDone)
- req = r
- }),
- }})
- select {
- case <-clientDone:
- case <-time.After(5 * time.Second):
- t.Fatal("timeout waiting for handler")
- }
- if req.TLS == nil {
- t.Fatalf("Request.TLS is nil. Got: %#v", req)
- }
- if req.TLS.ServerName != testString {
- t.Fatalf("Request.TLS = %+v; want ServerName of %q", req.TLS, testString)
- }
-}
-
-// golang.org/issue/14214
-func TestServer_Rejects_ConnHeaders(t *testing.T) {
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- t.Error("should not get to Handler")
- })
- defer st.Close()
- st.greet()
- st.bodylessReq1("connection", "foo")
- hf := st.wantHeaders()
- goth := st.decodeHeader(hf.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "400"},
- {"content-type", "text/plain; charset=utf-8"},
- {"x-content-type-options", "nosniff"},
- {"content-length", "51"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("Got headers %v; want %v", goth, wanth)
- }
-}
-
-type hpackEncoder struct {
- enc *hpack.Encoder
- buf bytes.Buffer
-}
-
-func (he *hpackEncoder) encodeHeaderRaw(t *testing.T, headers ...string) []byte {
- if len(headers)%2 == 1 {
- panic("odd number of kv args")
- }
- he.buf.Reset()
- if he.enc == nil {
- he.enc = hpack.NewEncoder(&he.buf)
- }
- for len(headers) > 0 {
- k, v := headers[0], headers[1]
- err := he.enc.WriteField(hpack.HeaderField{Name: k, Value: v})
- if err != nil {
- t.Fatalf("HPACK encoding error for %q/%q: %v", k, v, err)
- }
- headers = headers[2:]
- }
- return he.buf.Bytes()
-}
-
-func TestCheckValidHTTP2Request(t *testing.T) {
- tests := []struct {
- h http.Header
- want error
- }{
- {
- h: http.Header{"Te": {"trailers"}},
- want: nil,
- },
- {
- h: http.Header{"Te": {"trailers", "bogus"}},
- want: errors.New(`request header "TE" may only be "trailers" in HTTP/2`),
- },
- {
- h: http.Header{"Foo": {""}},
- want: nil,
- },
- {
- h: http.Header{"Connection": {""}},
- want: errors.New(`request header "Connection" is not valid in HTTP/2`),
- },
- {
- h: http.Header{"Proxy-Connection": {""}},
- want: errors.New(`request header "Proxy-Connection" is not valid in HTTP/2`),
- },
- {
- h: http.Header{"Keep-Alive": {""}},
- want: errors.New(`request header "Keep-Alive" is not valid in HTTP/2`),
- },
- {
- h: http.Header{"Upgrade": {""}},
- want: errors.New(`request header "Upgrade" is not valid in HTTP/2`),
- },
- }
- for i, tt := range tests {
- got := checkValidHTTP2RequestHeaders(tt.h)
- if !reflect.DeepEqual(got, tt.want) {
- t.Errorf("%d. checkValidHTTP2Request = %v; want %v", i, got, tt.want)
- }
- }
-}
-
-// golang.org/issue/14030
-func TestExpect100ContinueAfterHandlerWrites(t *testing.T) {
- const msg = "Hello"
- const msg2 = "World"
-
- doRead := make(chan bool, 1)
- defer close(doRead) // fallback cleanup
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- io.WriteString(w, msg)
- w.(http.Flusher).Flush()
-
- // Do a read, which might force a 100-continue status to be sent.
- <-doRead
- r.Body.Read(make([]byte, 10))
-
- io.WriteString(w, msg2)
-
- }, optOnlyServer)
- defer st.Close()
-
- tr := &Transport{TLSClientConfig: tlsConfigInsecure}
- defer tr.CloseIdleConnections()
-
- req, _ := http.NewRequest("POST", st.ts.URL, io.LimitReader(neverEnding('A'), 2<<20))
- req.Header.Set("Expect", "100-continue")
-
- res, err := tr.RoundTrip(req)
- if err != nil {
- t.Fatal(err)
- }
- defer res.Body.Close()
-
- buf := make([]byte, len(msg))
- if _, err := io.ReadFull(res.Body, buf); err != nil {
- t.Fatal(err)
- }
- if string(buf) != msg {
- t.Fatalf("msg = %q; want %q", buf, msg)
- }
-
- doRead <- true
-
- if _, err := io.ReadFull(res.Body, buf); err != nil {
- t.Fatal(err)
- }
- if string(buf) != msg2 {
- t.Fatalf("second msg = %q; want %q", buf, msg2)
- }
-}
-
-type funcReader func([]byte) (n int, err error)
-
-func (f funcReader) Read(p []byte) (n int, err error) { return f(p) }
-
-// golang.org/issue/16481 -- return flow control when streams close with unread data.
-// (The Server version of the bug. See also TestUnreadFlowControlReturned_Transport)
-func TestUnreadFlowControlReturned_Server(t *testing.T) {
- unblock := make(chan bool, 1)
- defer close(unblock)
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- // Don't read the 16KB request body. Wait until the client's
- // done sending it and then return. This should cause the Server
- // to then return those 16KB of flow control to the client.
- <-unblock
- }, optOnlyServer)
- defer st.Close()
-
- tr := &Transport{TLSClientConfig: tlsConfigInsecure}
- defer tr.CloseIdleConnections()
-
- // This previously hung on the 4th iteration.
- for i := 0; i < 6; i++ {
- body := io.MultiReader(
- io.LimitReader(neverEnding('A'), 16<<10),
- funcReader(func([]byte) (n int, err error) {
- unblock <- true
- return 0, io.EOF
- }),
- )
- req, _ := http.NewRequest("POST", st.ts.URL, body)
- res, err := tr.RoundTrip(req)
- if err != nil {
- t.Fatal(err)
- }
- res.Body.Close()
- }
-
-}
-
-func TestServerIdleTimeout(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping in short mode")
- }
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- }, func(h2s *Server) {
- h2s.IdleTimeout = 500 * time.Millisecond
- })
- defer st.Close()
-
- st.greet()
- ga := st.wantGoAway()
- if ga.ErrCode != ErrCodeNo {
- t.Errorf("GOAWAY error = %v; want ErrCodeNo", ga.ErrCode)
- }
-}
-
-func TestServerIdleTimeout_AfterRequest(t *testing.T) {
- if testing.Short() {
- t.Skip("skipping in short mode")
- }
- const timeout = 250 * time.Millisecond
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- time.Sleep(timeout * 2)
- }, func(h2s *Server) {
- h2s.IdleTimeout = timeout
- })
- defer st.Close()
-
- st.greet()
-
- // Send a request which takes twice the timeout. Verifies the
- // idle timeout doesn't fire while we're in a request:
- st.bodylessReq1()
- st.wantHeaders()
-
- // But the idle timeout should be rearmed after the request
- // is done:
- ga := st.wantGoAway()
- if ga.ErrCode != ErrCodeNo {
- t.Errorf("GOAWAY error = %v; want ErrCodeNo", ga.ErrCode)
- }
-}
-
-// grpc-go closes the Request.Body currently with a Read.
-// Verify that it doesn't race.
-// See https://github.com/grpc/grpc-go/pull/938
-func TestRequestBodyReadCloseRace(t *testing.T) {
- for i := 0; i < 100; i++ {
- body := &requestBody{
- pipe: &pipe{
- b: new(bytes.Buffer),
- },
- }
- body.pipe.CloseWithError(io.EOF)
-
- done := make(chan bool, 1)
- buf := make([]byte, 10)
- go func() {
- time.Sleep(1 * time.Millisecond)
- body.Close()
- done <- true
- }()
- body.Read(buf)
- <-done
- }
-}
-
-func TestIssue20704Race(t *testing.T) {
- if testing.Short() && os.Getenv("GO_BUILDER_NAME") == "" {
- t.Skip("skipping in short mode")
- }
- const (
- itemSize = 1 << 10
- itemCount = 100
- )
-
- st := newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- for i := 0; i < itemCount; i++ {
- _, err := w.Write(make([]byte, itemSize))
- if err != nil {
- return
- }
- }
- }, optOnlyServer)
- defer st.Close()
-
- tr := &Transport{TLSClientConfig: tlsConfigInsecure}
- defer tr.CloseIdleConnections()
- cl := &http.Client{Transport: tr}
-
- for i := 0; i < 1000; i++ {
- resp, err := cl.Get(st.ts.URL)
- if err != nil {
- t.Fatal(err)
- }
- // Force a RST stream to the server by closing without
- // reading the body:
- resp.Body.Close()
- }
-}
-
-func TestServer_Rejects_TooSmall(t *testing.T) {
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- ioutil.ReadAll(r.Body)
- return nil
- }, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1, // clients send odd numbers
- BlockFragment: st.encodeHeader(
- ":method", "POST",
- "content-length", "4",
- ),
- EndStream: false, // to say DATA frames are coming
- EndHeaders: true,
- })
- st.writeData(1, true, []byte("12345"))
-
- st.wantRSTStream(1, ErrCodeProtocol)
- })
-}
-
-// Tests that a handler setting "Connection: close" results in a GOAWAY being sent,
-// and the connection still completing.
-func TestServerHandlerConnectionClose(t *testing.T) {
- unblockHandler := make(chan bool, 1)
- defer close(unblockHandler) // backup; in case of errors
- testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
- w.Header().Set("Connection", "close")
- w.Header().Set("Foo", "bar")
- w.(http.Flusher).Flush()
- <-unblockHandler
- return nil
- }, func(st *serverTester) {
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: true,
- EndHeaders: true,
- })
- var sawGoAway bool
- var sawRes bool
- for {
- f, err := st.readFrame()
- if err == io.EOF {
- break
- }
- if err != nil {
- t.Fatal(err)
- }
- switch f := f.(type) {
- case *GoAwayFrame:
- sawGoAway = true
- unblockHandler <- true
- if f.LastStreamID != 1 || f.ErrCode != ErrCodeNo {
- t.Errorf("unexpected GOAWAY frame: %v", summarizeFrame(f))
- }
- case *HeadersFrame:
- goth := st.decodeHeader(f.HeaderBlockFragment())
- wanth := [][2]string{
- {":status", "200"},
- {"foo", "bar"},
- }
- if !reflect.DeepEqual(goth, wanth) {
- t.Errorf("got headers %v; want %v", goth, wanth)
- }
- sawRes = true
- case *DataFrame:
- if f.StreamID != 1 || !f.StreamEnded() || len(f.Data()) != 0 {
- t.Errorf("unexpected DATA frame: %v", summarizeFrame(f))
- }
- default:
- t.Logf("unexpected frame: %v", summarizeFrame(f))
- }
- }
- if !sawGoAway {
- t.Errorf("didn't see GOAWAY")
- }
- if !sawRes {
- t.Errorf("didn't see response")
- }
- })
-}
-
-func TestServer_Headers_HalfCloseRemote(t *testing.T) {
- var st *serverTester
- writeData := make(chan bool)
- writeHeaders := make(chan bool)
- leaveHandler := make(chan bool)
- st = newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
- if st.stream(1) == nil {
- t.Errorf("nil stream 1 in handler")
- }
- if got, want := st.streamState(1), stateOpen; got != want {
- t.Errorf("in handler, state is %v; want %v", got, want)
- }
- writeData <- true
- if n, err := r.Body.Read(make([]byte, 1)); n != 0 || err != io.EOF {
- t.Errorf("body read = %d, %v; want 0, EOF", n, err)
- }
- if got, want := st.streamState(1), stateHalfClosedRemote; got != want {
- t.Errorf("in handler, state is %v; want %v", got, want)
- }
- writeHeaders <- true
-
- <-leaveHandler
- })
- st.greet()
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
- <-writeData
- st.writeData(1, true, nil)
-
- <-writeHeaders
-
- st.writeHeaders(HeadersFrameParam{
- StreamID: 1,
- BlockFragment: st.encodeHeader(),
- EndStream: false, // keep it open
- EndHeaders: true,
- })
-
- defer close(leaveHandler)
-
- st.wantRSTStream(1, ErrCodeStreamClosed)
-}