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Fresh dep ensure

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This commit is contained in:
Mike Cronce
2018-11-26 13:23:56 -05:00
parent 93cb8a04d7
commit 407478ab9a
9016 changed files with 551394 additions and 279685 deletions
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82
vendor/golang.org/x/net/http2/configure_transport.go generated vendored
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@ -1,82 +0,0 @@
// Copyright 2015 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.
// +build go1.6
package http2
import (
"crypto/tls"
"fmt"
"net/http"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
// (The field is exported so it can be accessed via reflect from net/http; tested
// by TestNoDialH2RoundTripperType)
type noDialH2RoundTripper struct{ *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.Transport.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}

2
vendor/golang.org/x/net/http2/databuffer_test.go generated vendored
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@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7
package http2
import (

2
vendor/golang.org/x/net/http2/frame.go generated vendored
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@ -1477,7 +1477,7 @@ func (fr *Framer) maxHeaderStringLen() int {
}
// readMetaFrame returns 0 or more CONTINUATION frames from fr and
// merge them into into the provided hf and returns a MetaHeadersFrame
// merge them into the provided hf and returns a MetaHeadersFrame
// with the decoded hpack values.
func (fr *Framer) readMetaFrame(hf *HeadersFrame) (*MetaHeadersFrame, error) {
if fr.AllowIllegalReads {

11
vendor/golang.org/x/net/http2/go111.go generated vendored
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@ -6,19 +6,22 @@
package http2
import "net/textproto"
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *clientTrace) bool {
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool {
return trace != nil && trace.WroteHeaderField != nil
}
func traceWroteHeaderField(trace *clientTrace, k, v string) {
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {
if trace != nil && trace.WroteHeaderField != nil {
trace.WroteHeaderField(k, []string{v})
}
}
func traceGot1xxResponseFunc(trace *clientTrace) func(int, textproto.MIMEHeader) error {
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
if trace != nil {
return trace.Got1xxResponse
}

16
vendor/golang.org/x/net/http2/go16.go generated vendored
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@ -1,16 +0,0 @@
// Copyright 2016 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.
// +build go1.6
package http2
import (
"net/http"
"time"
)
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return t1.ExpectContinueTimeout
}

121
vendor/golang.org/x/net/http2/go17.go generated vendored
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@ -1,121 +0,0 @@
// Copyright 2016 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.
// +build go1.7
package http2
import (
"context"
"net"
"net/http"
"net/http/httptrace"
"time"
)
type contextContext interface {
context.Context
}
var errCanceled = context.Canceled
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return context.WithCancel(ctx)
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req.WithContext(ctx)
}
type clientTrace httptrace.ClientTrace
func reqContext(r *http.Request) context.Context { return r.Context() }
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func setResponseUncompressed(res *http.Response) { res.Uncompressed = true }
func traceGetConn(req *http.Request, hostPort string) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GetConn == nil {
return
}
trace.GetConn(hostPort)
}
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *clientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *clientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *clientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *clientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *clientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}
func requestTrace(req *http.Request) *clientTrace {
trace := httptrace.ContextClientTrace(req.Context())
return (*clientTrace)(trace)
}
// Ping sends a PING frame to the server and waits for the ack.
func (cc *ClientConn) Ping(ctx context.Context) error {
return cc.ping(ctx)
}
// Shutdown gracefully closes the client connection, waiting for running streams to complete.
func (cc *ClientConn) Shutdown(ctx context.Context) error {
return cc.shutdown(ctx)
}

36
vendor/golang.org/x/net/http2/go17_not18.go generated vendored
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@ -1,36 +0,0 @@
// Copyright 2016 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.
// +build go1.7,!go1.8
package http2
import "crypto/tls"
// temporary copy of Go 1.7's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
DynamicRecordSizingDisabled: c.DynamicRecordSizingDisabled,
Renegotiation: c.Renegotiation,
}
}

56
vendor/golang.org/x/net/http2/go18.go generated vendored
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@ -1,56 +0,0 @@
// Copyright 2015 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.
// +build go1.8
package http2
import (
"crypto/tls"
"io"
"net/http"
)
func cloneTLSConfig(c *tls.Config) *tls.Config {
c2 := c.Clone()
c2.GetClientCertificate = c.GetClientCertificate // golang.org/issue/19264
return c2
}
var _ http.Pusher = (*responseWriter)(nil)
// Push implements http.Pusher.
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
internalOpts := pushOptions{}
if opts != nil {
internalOpts.Method = opts.Method
internalOpts.Header = opts.Header
}
return w.push(target, internalOpts)
}
func configureServer18(h1 *http.Server, h2 *Server) error {
if h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil && panicValue != http.ErrAbortHandler
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return req.GetBody
}
func reqBodyIsNoBody(body io.ReadCloser) bool {
return body == http.NoBody
}
func go18httpNoBody() io.ReadCloser { return http.NoBody } // for tests only

79
vendor/golang.org/x/net/http2/go18_test.go generated vendored
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@ -1,79 +0,0 @@
// Copyright 2016 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.
// +build go1.8
package http2
import (
"crypto/tls"
"net/http"
"testing"
"time"
)
// Tests that http2.Server.IdleTimeout is initialized from
// http.Server.{Idle,Read}Timeout. http.Server.IdleTimeout was
// added in Go 1.8.
func TestConfigureServerIdleTimeout_Go18(t *testing.T) {
const timeout = 5 * time.Second
const notThisOne = 1 * time.Second
// With a zero http2.Server, verify that it copies IdleTimeout:
{
s1 := &http.Server{
IdleTimeout: timeout,
ReadTimeout: notThisOne,
}
s2 := &Server{}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
// And that it falls back to ReadTimeout:
{
s1 := &http.Server{
ReadTimeout: timeout,
}
s2 := &Server{}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
// Verify that s1's IdleTimeout doesn't overwrite an existing setting:
{
s1 := &http.Server{
IdleTimeout: notThisOne,
}
s2 := &Server{
IdleTimeout: timeout,
}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
}
func TestCertClone(t *testing.T) {
c := &tls.Config{
GetClientCertificate: func(*tls.CertificateRequestInfo) (*tls.Certificate, error) {
panic("shouldn't be called")
},
}
c2 := cloneTLSConfig(c)
if c2.GetClientCertificate == nil {
t.Error("GetClientCertificate is nil")
}
}

16
vendor/golang.org/x/net/http2/go19.go generated vendored
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@ -1,16 +0,0 @@
// Copyright 2015 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.
// +build go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
return nil
}

59
vendor/golang.org/x/net/http2/go19_test.go generated vendored
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@ -1,59 +0,0 @@
// Copyright 2017 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.
// +build go1.9
package http2
import (
"context"
"net/http"
"reflect"
"testing"
"time"
)
func TestServerGracefulShutdown(t *testing.T) {
var st *serverTester
handlerDone := make(chan struct{})
st = newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
defer close(handlerDone)
go st.ts.Config.Shutdown(context.Background())
ga := st.wantGoAway()
if ga.ErrCode != ErrCodeNo {
t.Errorf("GOAWAY error = %v; want ErrCodeNo", ga.ErrCode)
}
if ga.LastStreamID != 1 {
t.Errorf("GOAWAY LastStreamID = %v; want 1", ga.LastStreamID)
}
w.Header().Set("x-foo", "bar")
})
defer st.Close()
st.greet()
st.bodylessReq1()
select {
case <-handlerDone:
case <-time.After(5 * time.Second):
t.Fatalf("server did not shutdown?")
}
hf := st.wantHeaders()
goth := st.decodeHeader(hf.HeaderBlockFragment())
wanth := [][2]string{
{":status", "200"},
{"x-foo", "bar"},
{"content-length", "0"},
}
if !reflect.DeepEqual(goth, wanth) {
t.Errorf("Got headers %v; want %v", goth, wanth)
}
n, err := st.cc.Read([]byte{0})
if n != 0 || err == nil {
t.Errorf("Read = %v, %v; want 0, non-nil", n, err)
}
}

492
vendor/golang.org/x/net/http2/h2c/h2c.go generated vendored Normal file
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@ -0,0 +1,492 @@
// Copyright 2018 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 h2c implements the unencrypted "h2c" form of HTTP/2.
//
// The h2c protocol is the non-TLS version of HTTP/2 which is not available from
// net/http or golang.org/x/net/http2.
package h2c
import (
"bufio"
"bytes"
"encoding/base64"
"encoding/binary"
"errors"
"fmt"
"io"
"log"
"net"
"net/http"
"net/textproto"
"os"
"strings"
"golang.org/x/net/http/httpguts"
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
)
var (
http2VerboseLogs bool
)
func init() {
e := os.Getenv("GODEBUG")
if strings.Contains(e, "http2debug=1") || strings.Contains(e, "http2debug=2") {
http2VerboseLogs = true
}
}
// h2cHandler is a Handler which implements h2c by hijacking the HTTP/1 traffic
// that should be h2c traffic. There are two ways to begin a h2c connection
// (RFC 7540 Section 3.2 and 3.4): (1) Starting with Prior Knowledge - this
// works by starting an h2c connection with a string of bytes that is valid
// HTTP/1, but unlikely to occur in practice and (2) Upgrading from HTTP/1 to
// h2c - this works by using the HTTP/1 Upgrade header to request an upgrade to
// h2c. When either of those situations occur we hijack the HTTP/1 connection,
// convert it to a HTTP/2 connection and pass the net.Conn to http2.ServeConn.
type h2cHandler struct {
Handler http.Handler
s *http2.Server
}
// NewHandler returns an http.Handler that wraps h, intercepting any h2c
// traffic. If a request is an h2c connection, it's hijacked and redirected to
// s.ServeConn. Otherwise the returned Handler just forwards requests to h. This
// works because h2c is designed to be parseable as valid HTTP/1, but ignored by
// any HTTP server that does not handle h2c. Therefore we leverage the HTTP/1
// compatible parts of the Go http library to parse and recognize h2c requests.
// Once a request is recognized as h2c, we hijack the connection and convert it
// to an HTTP/2 connection which is understandable to s.ServeConn. (s.ServeConn
// understands HTTP/2 except for the h2c part of it.)
func NewHandler(h http.Handler, s *http2.Server) http.Handler {
return &h2cHandler{
Handler: h,
s: s,
}
}
// ServeHTTP implement the h2c support that is enabled by h2c.GetH2CHandler.
func (s h2cHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Handle h2c with prior knowledge (RFC 7540 Section 3.4)
if r.Method == "PRI" && len(r.Header) == 0 && r.URL.Path == "*" && r.Proto == "HTTP/2.0" {
if http2VerboseLogs {
log.Print("h2c: attempting h2c with prior knowledge.")
}
conn, err := initH2CWithPriorKnowledge(w)
if err != nil {
if http2VerboseLogs {
log.Printf("h2c: error h2c with prior knowledge: %v", err)
}
return
}
defer conn.Close()
s.s.ServeConn(conn, &http2.ServeConnOpts{Handler: s.Handler})
return
}
// Handle Upgrade to h2c (RFC 7540 Section 3.2)
if conn, err := h2cUpgrade(w, r); err == nil {
defer conn.Close()
s.s.ServeConn(conn, &http2.ServeConnOpts{Handler: s.Handler})
return
}
s.Handler.ServeHTTP(w, r)
return
}
// initH2CWithPriorKnowledge implements creating a h2c connection with prior
// knowledge (Section 3.4) and creates a net.Conn suitable for http2.ServeConn.
// All we have to do is look for the client preface that is suppose to be part
// of the body, and reforward the client preface on the net.Conn this function
// creates.
func initH2CWithPriorKnowledge(w http.ResponseWriter) (net.Conn, error) {
hijacker, ok := w.(http.Hijacker)
if !ok {
panic("Hijack not supported.")
}
conn, rw, err := hijacker.Hijack()
if err != nil {
panic(fmt.Sprintf("Hijack failed: %v", err))
}
const expectedBody = "SM\r\n\r\n"
buf := make([]byte, len(expectedBody))
n, err := io.ReadFull(rw, buf)
if string(buf[:n]) == expectedBody {
c := &rwConn{
Conn: conn,
Reader: io.MultiReader(strings.NewReader(http2.ClientPreface), rw),
BufWriter: rw.Writer,
}
return c, nil
}
conn.Close()
if http2VerboseLogs {
log.Printf(
"h2c: missing the request body portion of the client preface. Wanted: %v Got: %v",
[]byte(expectedBody),
buf[0:n],
)
}
return nil, errors.New("invalid client preface")
}
// drainClientPreface reads a single instance of the HTTP/2 client preface from
// the supplied reader.
func drainClientPreface(r io.Reader) error {
var buf bytes.Buffer
prefaceLen := int64(len(http2.ClientPreface))
n, err := io.CopyN(&buf, r, prefaceLen)
if err != nil {
return err
}
if n != prefaceLen || buf.String() != http2.ClientPreface {
return fmt.Errorf("Client never sent: %s", http2.ClientPreface)
}
return nil
}
// h2cUpgrade establishes a h2c connection using the HTTP/1 upgrade (Section 3.2).
func h2cUpgrade(w http.ResponseWriter, r *http.Request) (net.Conn, error) {
if !isH2CUpgrade(r.Header) {
return nil, errors.New("non-conforming h2c headers")
}
// Initial bytes we put into conn to fool http2 server
initBytes, _, err := convertH1ReqToH2(r)
if err != nil {
return nil, err
}
hijacker, ok := w.(http.Hijacker)
if !ok {
return nil, errors.New("hijack not supported.")
}
conn, rw, err := hijacker.Hijack()
if err != nil {
return nil, fmt.Errorf("hijack failed: %v", err)
}
rw.Write([]byte("HTTP/1.1 101 Switching Protocols\r\n" +
"Connection: Upgrade\r\n" +
"Upgrade: h2c\r\n\r\n"))
rw.Flush()
// A conforming client will now send an H2 client preface which need to drain
// since we already sent this.
if err := drainClientPreface(rw); err != nil {
return nil, err
}
c := &rwConn{
Conn: conn,
Reader: io.MultiReader(initBytes, rw),
BufWriter: newSettingsAckSwallowWriter(rw.Writer),
}
return c, nil
}
// convert the data contained in the HTTP/1 upgrade request into the HTTP/2
// version in byte form.
func convertH1ReqToH2(r *http.Request) (*bytes.Buffer, []http2.Setting, error) {
h2Bytes := bytes.NewBuffer([]byte((http2.ClientPreface)))
framer := http2.NewFramer(h2Bytes, nil)
settings, err := getH2Settings(r.Header)
if err != nil {
return nil, nil, err
}
if err := framer.WriteSettings(settings...); err != nil {
return nil, nil, err
}
headerBytes, err := getH2HeaderBytes(r, getMaxHeaderTableSize(settings))
if err != nil {
return nil, nil, err
}
maxFrameSize := int(getMaxFrameSize(settings))
needOneHeader := len(headerBytes) < maxFrameSize
err = framer.WriteHeaders(http2.HeadersFrameParam{
StreamID: 1,
BlockFragment: headerBytes,
EndHeaders: needOneHeader,
})
if err != nil {
return nil, nil, err
}
for i := maxFrameSize; i < len(headerBytes); i += maxFrameSize {
if len(headerBytes)-i > maxFrameSize {
if err := framer.WriteContinuation(1,
false, // endHeaders
headerBytes[i:maxFrameSize]); err != nil {
return nil, nil, err
}
} else {
if err := framer.WriteContinuation(1,
true, // endHeaders
headerBytes[i:]); err != nil {
return nil, nil, err
}
}
}
return h2Bytes, settings, nil
}
// getMaxFrameSize returns the SETTINGS_MAX_FRAME_SIZE. If not present default
// value is 16384 as specified by RFC 7540 Section 6.5.2.
func getMaxFrameSize(settings []http2.Setting) uint32 {
for _, setting := range settings {
if setting.ID == http2.SettingMaxFrameSize {
return setting.Val
}
}
return 16384
}
// getMaxHeaderTableSize returns the SETTINGS_HEADER_TABLE_SIZE. If not present
// default value is 4096 as specified by RFC 7540 Section 6.5.2.
func getMaxHeaderTableSize(settings []http2.Setting) uint32 {
for _, setting := range settings {
if setting.ID == http2.SettingHeaderTableSize {
return setting.Val
}
}
return 4096
}
// bufWriter is a Writer interface that also has a Flush method.
type bufWriter interface {
io.Writer
Flush() error
}
// rwConn implements net.Conn but overrides Read and Write so that reads and
// writes are forwarded to the provided io.Reader and bufWriter.
type rwConn struct {
net.Conn
io.Reader
BufWriter bufWriter
}
// Read forwards reads to the underlying Reader.
func (c *rwConn) Read(p []byte) (int, error) {
return c.Reader.Read(p)
}
// Write forwards writes to the underlying bufWriter and immediately flushes.
func (c *rwConn) Write(p []byte) (int, error) {
n, err := c.BufWriter.Write(p)
if err := c.BufWriter.Flush(); err != nil {
return 0, err
}
return n, err
}
// settingsAckSwallowWriter is a writer that normally forwards bytes to its
// underlying Writer, but swallows the first SettingsAck frame that it sees.
type settingsAckSwallowWriter struct {
Writer *bufio.Writer
buf []byte
didSwallow bool
}
// newSettingsAckSwallowWriter returns a new settingsAckSwallowWriter.
func newSettingsAckSwallowWriter(w *bufio.Writer) *settingsAckSwallowWriter {
return &settingsAckSwallowWriter{
Writer: w,
buf: make([]byte, 0),
didSwallow: false,
}
}
// Write implements io.Writer interface. Normally forwards bytes to w.Writer,
// except for the first Settings ACK frame that it sees.
func (w *settingsAckSwallowWriter) Write(p []byte) (int, error) {
if !w.didSwallow {
w.buf = append(w.buf, p...)
// Process all the frames we have collected into w.buf
for {
// Append until we get full frame header which is 9 bytes
if len(w.buf) < 9 {
break
}
// Check if we have collected a whole frame.
fh, err := http2.ReadFrameHeader(bytes.NewBuffer(w.buf))
if err != nil {
// Corrupted frame, fail current Write
return 0, err
}
fSize := fh.Length + 9
if uint32(len(w.buf)) < fSize {
// Have not collected whole frame. Stop processing buf, and withold on
// forward bytes to w.Writer until we get the full frame.
break
}
// We have now collected a whole frame.
if fh.Type == http2.FrameSettings && fh.Flags.Has(http2.FlagSettingsAck) {
// If Settings ACK frame, do not forward to underlying writer, remove
// bytes from w.buf, and record that we have swallowed Settings Ack
// frame.
w.didSwallow = true
w.buf = w.buf[fSize:]
continue
}
// Not settings ack frame. Forward bytes to w.Writer.
if _, err := w.Writer.Write(w.buf[:fSize]); err != nil {
// Couldn't forward bytes. Fail current Write.
return 0, err
}
w.buf = w.buf[fSize:]
}
return len(p), nil
}
return w.Writer.Write(p)
}
// Flush calls w.Writer.Flush.
func (w *settingsAckSwallowWriter) Flush() error {
return w.Writer.Flush()
}
// isH2CUpgrade returns true if the header properly request an upgrade to h2c
// as specified by Section 3.2.
func isH2CUpgrade(h http.Header) bool {
return httpguts.HeaderValuesContainsToken(h[textproto.CanonicalMIMEHeaderKey("Upgrade")], "h2c") &&
httpguts.HeaderValuesContainsToken(h[textproto.CanonicalMIMEHeaderKey("Connection")], "HTTP2-Settings")
}
// getH2Settings returns the []http2.Setting that are encoded in the
// HTTP2-Settings header.
func getH2Settings(h http.Header) ([]http2.Setting, error) {
vals, ok := h[textproto.CanonicalMIMEHeaderKey("HTTP2-Settings")]
if !ok {
return nil, errors.New("missing HTTP2-Settings header")
}
if len(vals) != 1 {
return nil, fmt.Errorf("expected 1 HTTP2-Settings. Got: %v", vals)
}
settings, err := decodeSettings(vals[0])
if err != nil {
return nil, fmt.Errorf("Invalid HTTP2-Settings: %q", vals[0])
}
return settings, nil
}
// decodeSettings decodes the base64url header value of the HTTP2-Settings
// header. RFC 7540 Section 3.2.1.
func decodeSettings(headerVal string) ([]http2.Setting, error) {
b, err := base64.RawURLEncoding.DecodeString(headerVal)
if err != nil {
return nil, err
}
if len(b)%6 != 0 {
return nil, err
}
settings := make([]http2.Setting, 0)
for i := 0; i < len(b)/6; i++ {
settings = append(settings, http2.Setting{
ID: http2.SettingID(binary.BigEndian.Uint16(b[i*6 : i*6+2])),
Val: binary.BigEndian.Uint32(b[i*6+2 : i*6+6]),
})
}
return settings, nil
}
// getH2HeaderBytes return the headers in r a []bytes encoded by HPACK.
func getH2HeaderBytes(r *http.Request, maxHeaderTableSize uint32) ([]byte, error) {
headerBytes := bytes.NewBuffer(nil)
hpackEnc := hpack.NewEncoder(headerBytes)
hpackEnc.SetMaxDynamicTableSize(maxHeaderTableSize)
// Section 8.1.2.3
err := hpackEnc.WriteField(hpack.HeaderField{
Name: ":method",
Value: r.Method,
})
if err != nil {
return nil, err
}
err = hpackEnc.WriteField(hpack.HeaderField{
Name: ":scheme",
Value: "http",
})
if err != nil {
return nil, err
}
err = hpackEnc.WriteField(hpack.HeaderField{
Name: ":authority",
Value: r.Host,
})
if err != nil {
return nil, err
}
path := r.URL.Path
if r.URL.RawQuery != "" {
path = strings.Join([]string{path, r.URL.RawQuery}, "?")
}
err = hpackEnc.WriteField(hpack.HeaderField{
Name: ":path",
Value: path,
})
if err != nil {
return nil, err
}
// TODO Implement Section 8.3
for header, values := range r.Header {
// Skip non h2 headers
if isNonH2Header(header) {
continue
}
for _, v := range values {
err := hpackEnc.WriteField(hpack.HeaderField{
Name: strings.ToLower(header),
Value: v,
})
if err != nil {
return nil, err
}
}
}
return headerBytes.Bytes(), nil
}
// Connection specific headers listed in RFC 7540 Section 8.1.2.2 that are not
// suppose to be transferred to HTTP/2. The Http2-Settings header is skipped
// since already use to create the HTTP/2 SETTINGS frame.
var nonH2Headers = []string{
"Connection",
"Keep-Alive",
"Proxy-Connection",
"Transfer-Encoding",
"Upgrade",
"Http2-Settings",
}
// isNonH2Header returns true if header should not be transferred to HTTP/2.
func isNonH2Header(header string) bool {
for _, nonH2h := range nonH2Headers {
if header == nonH2h {
return true
}
}
return false
}

58
vendor/golang.org/x/net/http2/h2c/h2c_test.go generated vendored Normal file
View File

@ -0,0 +1,58 @@
// Copyright 2018 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 h2c
import (
"bufio"
"bytes"
"fmt"
"log"
"net/http"
"testing"
"golang.org/x/net/http2"
)
func TestSettingsAckSwallowWriter(t *testing.T) {
var buf bytes.Buffer
swallower := newSettingsAckSwallowWriter(bufio.NewWriter(&buf))
fw := http2.NewFramer(swallower, nil)
fw.WriteSettings(http2.Setting{http2.SettingMaxFrameSize, 2})
fw.WriteSettingsAck()
fw.WriteData(1, true, []byte{})
swallower.Flush()
fr := http2.NewFramer(nil, bufio.NewReader(&buf))
f, err := fr.ReadFrame()
if err != nil {
t.Fatal(err)
}
if f.Header().Type != http2.FrameSettings {
t.Fatalf("Expected first frame to be SETTINGS. Got: %v", f.Header().Type)
}
f, err = fr.ReadFrame()
if err != nil {
t.Fatal(err)
}
if f.Header().Type != http2.FrameData {
t.Fatalf("Expected first frame to be DATA. Got: %v", f.Header().Type)
}
}
func ExampleNewHandler() {
handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "Hello world")
})
h2s := &http2.Server{
// ...
}
h1s := &http.Server{
Addr: ":8080",
Handler: NewHandler(handler, h2s),
}
log.Fatal(h1s.ListenAndServe())
}

2
vendor/golang.org/x/net/http2/h2i/h2i.go generated vendored
View File

@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !js,!nacl,!plan9,!solaris
// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
/*
The h2i command is an interactive HTTP/2 console.

20
vendor/golang.org/x/net/http2/headermap.go generated vendored
View File

@ -7,15 +7,21 @@ package http2
import (
"net/http"
"strings"
"sync"
)
var (
commonLowerHeader = map[string]string{} // Go-Canonical-Case -> lower-case
commonCanonHeader = map[string]string{} // lower-case -> Go-Canonical-Case
commonBuildOnce sync.Once
commonLowerHeader map[string]string // Go-Canonical-Case -> lower-case
commonCanonHeader map[string]string // lower-case -> Go-Canonical-Case
)
func init() {
for _, v := range []string{
func buildCommonHeaderMapsOnce() {
commonBuildOnce.Do(buildCommonHeaderMaps)
}
func buildCommonHeaderMaps() {
common := []string{
"accept",
"accept-charset",
"accept-encoding",
@ -63,7 +69,10 @@ func init() {
"vary",
"via",
"www-authenticate",
} {
}
commonLowerHeader = make(map[string]string, len(common))
commonCanonHeader = make(map[string]string, len(common))
for _, v := range common {
chk := http.CanonicalHeaderKey(v)
commonLowerHeader[chk] = v
commonCanonHeader[v] = chk
@ -71,6 +80,7 @@ func init() {
}
func lowerHeader(v string) string {
buildCommonHeaderMapsOnce()
if s, ok := commonLowerHeader[v]; ok {
return s
}

21
vendor/golang.org/x/net/http2/hpack/hpack_test.go generated vendored
View File

@ -462,6 +462,27 @@ func TestHuffmanDecode(t *testing.T) {
}
}
func BenchmarkHuffmanDecode(b *testing.B) {
b.StopTimer()
enc, err := hex.DecodeString(strings.Replace("94e7 821d d7f2 e6c7 b335 dfdf cd5b 3960 d5af 2708 7f36 72c1 ab27 0fb5 291f 9587 3160 65c0 03ed 4ee5 b106 3d50 07",
" ", "", -1))
if err != nil {
b.Fatal(err)
}
b.ReportAllocs()
b.StartTimer()
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
if _, err := HuffmanDecode(&buf, enc); err != nil {
b.Fatalf("decode error: %v", err)
}
if string(buf.Bytes()) != "foo=ASDJKHQKBZXOQWEOPIUAXQWEOIU; max-age=3600; version=1" {
b.Fatalf("bogus output %q", buf.Bytes())
}
}
}
func TestAppendHuffmanString(t *testing.T) {
tests := []struct {
in, want string

20
vendor/golang.org/x/net/http2/hpack/huffman.go generated vendored
View File

@ -47,6 +47,7 @@ var ErrInvalidHuffman = errors.New("hpack: invalid Huffman-encoded data")
// If maxLen is greater than 0, attempts to write more to buf than
// maxLen bytes will return ErrStringLength.
func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
rootHuffmanNode := getRootHuffmanNode()
n := rootHuffmanNode
// cur is the bit buffer that has not been fed into n.
// cbits is the number of low order bits in cur that are valid.
@ -106,7 +107,7 @@ func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
type node struct {
// children is non-nil for internal nodes
children []*node
children *[256]*node
// The following are only valid if children is nil:
codeLen uint8 // number of bits that led to the output of sym
@ -114,22 +115,31 @@ type node struct {
}
func newInternalNode() *node {
return &node{children: make([]*node, 256)}
return &node{children: new([256]*node)}
}
var rootHuffmanNode = newInternalNode()
var (
buildRootOnce sync.Once
lazyRootHuffmanNode *node
)
func init() {
func getRootHuffmanNode() *node {
buildRootOnce.Do(buildRootHuffmanNode)
return lazyRootHuffmanNode
}
func buildRootHuffmanNode() {
if len(huffmanCodes) != 256 {
panic("unexpected size")
}
lazyRootHuffmanNode = newInternalNode()
for i, code := range huffmanCodes {
addDecoderNode(byte(i), code, huffmanCodeLen[i])
}
}
func addDecoderNode(sym byte, code uint32, codeLen uint8) {
cur := rootHuffmanNode
cur := lazyRootHuffmanNode
for codeLen > 8 {
codeLen -= 8
i := uint8(code >> codeLen)

17
vendor/golang.org/x/net/http2/http2.go generated vendored
View File

@ -201,19 +201,12 @@ func validWireHeaderFieldName(v string) bool {
return true
}
var httpCodeStringCommon = map[int]string{} // n -> strconv.Itoa(n)
func init() {
for i := 100; i <= 999; i++ {
if v := http.StatusText(i); v != "" {
httpCodeStringCommon[i] = strconv.Itoa(i)
}
}
}
func httpCodeString(code int) string {
if s, ok := httpCodeStringCommon[code]; ok {
return s
switch code {
case 200:
return "200"
case 404:
return "404"
}
return strconv.Itoa(code)
}

53
vendor/golang.org/x/net/http2/http2_test.go generated vendored
View File

@ -225,3 +225,56 @@ func waitErrCondition(waitFor, checkEvery time.Duration, fn func() error) error
}
return err
}
// Tests that http2.Server.IdleTimeout is initialized from
// http.Server.{Idle,Read}Timeout. http.Server.IdleTimeout was
// added in Go 1.8.
func TestConfigureServerIdleTimeout_Go18(t *testing.T) {
const timeout = 5 * time.Second
const notThisOne = 1 * time.Second
// With a zero http2.Server, verify that it copies IdleTimeout:
{
s1 := &http.Server{
IdleTimeout: timeout,
ReadTimeout: notThisOne,
}
s2 := &Server{}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
// And that it falls back to ReadTimeout:
{
s1 := &http.Server{
ReadTimeout: timeout,
}
s2 := &Server{}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
// Verify that s1's IdleTimeout doesn't overwrite an existing setting:
{
s1 := &http.Server{
IdleTimeout: notThisOne,
}
s2 := &Server{
IdleTimeout: timeout,
}
if err := ConfigureServer(s1, s2); err != nil {
t.Fatal(err)
}
if s2.IdleTimeout != timeout {
t.Errorf("s2.IdleTimeout = %v; want %v", s2.IdleTimeout, timeout)
}
}
}

11
vendor/golang.org/x/net/http2/not_go111.go generated vendored
View File

@ -6,12 +6,15 @@
package http2
import "net/textproto"
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *clientTrace) bool { return false }
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool { return false }
func traceWroteHeaderField(trace *clientTrace, k, v string) {}
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {}
func traceGot1xxResponseFunc(trace *clientTrace) func(int, textproto.MIMEHeader) error {
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
return nil
}

21
vendor/golang.org/x/net/http2/not_go16.go generated vendored
View File

@ -1,21 +0,0 @@
// Copyright 2015 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.
// +build !go1.6
package http2
import (
"net/http"
"time"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
return nil, errTransportVersion
}
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return 0
}

95
vendor/golang.org/x/net/http2/not_go17.go generated vendored
View File

@ -1,95 +0,0 @@
// Copyright 2016 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.
// +build !go1.7
package http2
import (
"crypto/tls"
"errors"
"net"
"net/http"
"time"
)
type contextContext interface {
Done() <-chan struct{}
Err() error
}
var errCanceled = errors.New("canceled")
type fakeContext struct{}
func (fakeContext) Done() <-chan struct{} { return nil }
func (fakeContext) Err() error { panic("should not be called") }
func reqContext(r *http.Request) fakeContext {
return fakeContext{}
}
func setResponseUncompressed(res *http.Response) {
// Nothing.
}
type clientTrace struct{}
func requestTrace(*http.Request) *clientTrace { return nil }
func traceGetConn(*http.Request, string) {}
func traceGotConn(*http.Request, *ClientConn) {}
func traceFirstResponseByte(*clientTrace) {}
func traceWroteHeaders(*clientTrace) {}
func traceWroteRequest(*clientTrace, error) {}
func traceGot100Continue(trace *clientTrace) {}
func traceWait100Continue(trace *clientTrace) {}
func nop() {}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
return nil, nop
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return ctx, nop
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req
}
// temporary copy of Go 1.6's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
}
}
func (cc *ClientConn) Ping(ctx contextContext) error {
return cc.ping(ctx)
}
func (cc *ClientConn) Shutdown(ctx contextContext) error {
return cc.shutdown(ctx)
}
func (t *Transport) idleConnTimeout() time.Duration { return 0 }

29
vendor/golang.org/x/net/http2/not_go18.go generated vendored
View File

@ -1,29 +0,0 @@
// Copyright 2016 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.
// +build !go1.8
package http2
import (
"io"
"net/http"
)
func configureServer18(h1 *http.Server, h2 *Server) error {
// No IdleTimeout to sync prior to Go 1.8.
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return nil
}
func reqBodyIsNoBody(io.ReadCloser) bool { return false }
func go18httpNoBody() io.ReadCloser { return nil } // for tests only

16
vendor/golang.org/x/net/http2/not_go19.go generated vendored
View File

@ -1,16 +0,0 @@
// Copyright 2016 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.
// +build !go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
// not supported prior to go1.9
return nil
}

58
vendor/golang.org/x/net/http2/server.go generated vendored
View File

@ -28,6 +28,7 @@ package http2
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"errors"
"fmt"
@ -209,12 +210,14 @@ func ConfigureServer(s *http.Server, conf *Server) error {
conf = new(Server)
}
conf.state = &serverInternalState{activeConns: make(map[*serverConn]struct{})}
if err := configureServer18(s, conf); err != nil {
return err
}
if err := configureServer19(s, conf); err != nil {
return err
if h1, h2 := s, conf; h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
if s.TLSConfig == nil {
s.TLSConfig = new(tls.Config)
@ -435,6 +438,15 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
sc.serve()
}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx context.Context, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func (sc *serverConn) rejectConn(err ErrCode, debug string) {
sc.vlogf("http2: server rejecting conn: %v, %s", err, debug)
// ignoring errors. hanging up anyway.
@ -450,7 +462,7 @@ type serverConn struct {
conn net.Conn
bw *bufferedWriter // writing to conn
handler http.Handler
baseCtx contextContext
baseCtx context.Context
framer *Framer
doneServing chan struct{} // closed when serverConn.serve ends
readFrameCh chan readFrameResult // written by serverConn.readFrames
@ -530,7 +542,7 @@ type stream struct {
id uint32
body *pipe // non-nil if expecting DATA frames
cw closeWaiter // closed wait stream transitions to closed state
ctx contextContext
ctx context.Context
cancelCtx func()
// owned by serverConn's serve loop:
@ -663,6 +675,7 @@ func (sc *serverConn) condlogf(err error, format string, args ...interface{}) {
func (sc *serverConn) canonicalHeader(v string) string {
sc.serveG.check()
buildCommonHeaderMapsOnce()
cv, ok := commonCanonHeader[v]
if ok {
return cv
@ -1109,7 +1122,7 @@ func (sc *serverConn) startFrameWrite(wr FrameWriteRequest) {
// errHandlerPanicked is the error given to any callers blocked in a read from
// Request.Body when the main goroutine panics. Since most handlers read in the
// the main ServeHTTP goroutine, this will show up rarely.
// main ServeHTTP goroutine, this will show up rarely.
var errHandlerPanicked = errors.New("http2: handler panicked")
// wroteFrame is called on the serve goroutine with the result of
@ -1881,7 +1894,7 @@ func (sc *serverConn) newStream(id, pusherID uint32, state streamState) *stream
panic("internal error: cannot create stream with id 0")
}
ctx, cancelCtx := contextWithCancel(sc.baseCtx)
ctx, cancelCtx := context.WithCancel(sc.baseCtx)
st := &stream{
sc: sc,
id: id,
@ -2047,7 +2060,7 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
Body: body,
Trailer: trailer,
}
req = requestWithContext(req, st.ctx)
req = req.WithContext(st.ctx)
rws := responseWriterStatePool.Get().(*responseWriterState)
bwSave := rws.bw
@ -2075,7 +2088,7 @@ func (sc *serverConn) runHandler(rw *responseWriter, req *http.Request, handler
stream: rw.rws.stream,
})
// Same as net/http:
if shouldLogPanic(e) {
if e != nil && e != http.ErrAbortHandler {
const size = 64 << 10
buf := make([]byte, size)
buf = buf[:runtime.Stack(buf, false)]
@ -2346,15 +2359,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
}
_, hasContentType := rws.snapHeader["Content-Type"]
if !hasContentType && bodyAllowedForStatus(rws.status) && len(p) > 0 {
if cto := rws.snapHeader.Get("X-Content-Type-Options"); strings.EqualFold("nosniff", cto) {
// nosniff is an explicit directive not to guess a content-type.
// Content-sniffing is no less susceptible to polyglot attacks via
// hosted content when done on the server.
ctype = "application/octet-stream"
rws.conn.logf("http2: WriteHeader called with X-Content-Type-Options:nosniff but no Content-Type")
} else {
ctype = http.DetectContentType(p)
}
ctype = http.DetectContentType(p)
}
var date string
if _, ok := rws.snapHeader["Date"]; !ok {
@ -2645,14 +2650,9 @@ var (
ErrPushLimitReached = errors.New("http2: push would exceed peer's SETTINGS_MAX_CONCURRENT_STREAMS")
)
// pushOptions is the internal version of http.PushOptions, which we
// cannot include here because it's only defined in Go 1.8 and later.
type pushOptions struct {
Method string
Header http.Header
}
var _ http.Pusher = (*responseWriter)(nil)
func (w *responseWriter) push(target string, opts pushOptions) error {
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
st := w.rws.stream
sc := st.sc
sc.serveG.checkNotOn()
@ -2663,6 +2663,10 @@ func (w *responseWriter) push(target string, opts pushOptions) error {
return ErrRecursivePush
}
if opts == nil {
opts = new(http.PushOptions)
}
// Default options.
if opts.Method == "" {
opts.Method = "GET"

2
vendor/golang.org/x/net/http2/server_push_test.go generated vendored
View File

@ -2,8 +2,6 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package http2
import (

83
vendor/golang.org/x/net/http2/server_test.go generated vendored
View File

@ -6,6 +6,7 @@ package http2
import (
"bytes"
"context"
"crypto/tls"
"errors"
"flag"
@ -1760,42 +1761,6 @@ func TestServer_Response_Data_Sniff_DoesntOverride(t *testing.T) {
})
}
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 {
@ -2451,6 +2416,8 @@ func testRejectTLS(t *testing.T, max uint16) {
func TestServer_Rejects_TLSBadCipher(t *testing.T) {
st := newServerTester(t, nil, func(c *tls.Config) {
// All TLS 1.3 ciphers are good. Test with TLS 1.2.
c.MaxVersion = tls.VersionTLS12
// Only list bad ones:
c.CipherSuites = []uint16{
tls.TLS_RSA_WITH_RC4_128_SHA,
@ -3886,3 +3853,47 @@ func TestServer_Headers_HalfCloseRemote(t *testing.T) {
st.wantRSTStream(1, ErrCodeStreamClosed)
}
func TestServerGracefulShutdown(t *testing.T) {
var st *serverTester
handlerDone := make(chan struct{})
st = newServerTester(t, func(w http.ResponseWriter, r *http.Request) {
defer close(handlerDone)
go st.ts.Config.Shutdown(context.Background())
ga := st.wantGoAway()
if ga.ErrCode != ErrCodeNo {
t.Errorf("GOAWAY error = %v; want ErrCodeNo", ga.ErrCode)
}
if ga.LastStreamID != 1 {
t.Errorf("GOAWAY LastStreamID = %v; want 1", ga.LastStreamID)
}
w.Header().Set("x-foo", "bar")
})
defer st.Close()
st.greet()
st.bodylessReq1()
select {
case <-handlerDone:
case <-time.After(5 * time.Second):
t.Fatalf("server did not shutdown?")
}
hf := st.wantHeaders()
goth := st.decodeHeader(hf.HeaderBlockFragment())
wanth := [][2]string{
{":status", "200"},
{"x-foo", "bar"},
{"content-length", "0"},
}
if !reflect.DeepEqual(goth, wanth) {
t.Errorf("Got headers %v; want %v", goth, wanth)
}
n, err := st.cc.Read([]byte{0})
if n != 0 || err == nil {
t.Errorf("Read = %v, %v; want 0, non-nil", n, err)
}
}

202
vendor/golang.org/x/net/http2/transport.go generated vendored
View File

@ -10,6 +10,7 @@ import (
"bufio"
"bytes"
"compress/gzip"
"context"
"crypto/rand"
"crypto/tls"
"errors"
@ -21,6 +22,7 @@ import (
mathrand "math/rand"
"net"
"net/http"
"net/http/httptrace"
"net/textproto"
"sort"
"strconv"
@ -95,6 +97,16 @@ type Transport struct {
// to mean no limit.
MaxHeaderListSize uint32
// StrictMaxConcurrentStreams controls whether the server's
// SETTINGS_MAX_CONCURRENT_STREAMS should be respected
// globally. If false, new TCP connections are created to the
// server as needed to keep each under the per-connection
// SETTINGS_MAX_CONCURRENT_STREAMS limit. If true, the
// server's SETTINGS_MAX_CONCURRENT_STREAMS is interpreted as
// a global limit and callers of RoundTrip block when needed,
// waiting for their turn.
StrictMaxConcurrentStreams bool
// t1, if non-nil, is the standard library Transport using
// this transport. Its settings are used (but not its
// RoundTrip method, etc).
@ -118,16 +130,56 @@ func (t *Transport) disableCompression() bool {
return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression)
}
var errTransportVersion = errors.New("http2: ConfigureTransport is only supported starting at Go 1.6")
// ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2.
// It requires Go 1.6 or later and returns an error if the net/http package is too old
// or if t1 has already been HTTP/2-enabled.
// It returns an error if t1 has already been HTTP/2-enabled.
func ConfigureTransport(t1 *http.Transport) error {
_, err := configureTransport(t1) // in configure_transport.go (go1.6) or not_go16.go
_, err := configureTransport(t1)
return err
}
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
func (t *Transport) connPool() ClientConnPool {
t.connPoolOnce.Do(t.initConnPool)
return t.connPoolOrDef
@ -192,7 +244,7 @@ type ClientConn struct {
type clientStream struct {
cc *ClientConn
req *http.Request
trace *clientTrace // or nil
trace *httptrace.ClientTrace // or nil
ID uint32
resc chan resAndError
bufPipe pipe // buffered pipe with the flow-controlled response payload
@ -226,7 +278,7 @@ type clientStream struct {
// channel to be signaled. A non-nil error is returned only if the request was
// canceled.
func awaitRequestCancel(req *http.Request, done <-chan struct{}) error {
ctx := reqContext(req)
ctx := req.Context()
if req.Cancel == nil && ctx.Done() == nil {
return nil
}
@ -401,8 +453,8 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res
select {
case <-time.After(time.Second * time.Duration(backoff)):
continue
case <-reqContext(req).Done():
return nil, reqContext(req).Err()
case <-req.Context().Done():
return nil, req.Context().Err()
}
}
}
@ -439,16 +491,15 @@ func shouldRetryRequest(req *http.Request, err error, afterBodyWrite bool) (*htt
}
// If the Body is nil (or http.NoBody), it's safe to reuse
// this request and its Body.
if req.Body == nil || reqBodyIsNoBody(req.Body) {
if req.Body == nil || req.Body == http.NoBody {
return req, nil
}
// If the request body can be reset back to its original
// state via the optional req.GetBody, do that.
getBody := reqGetBody(req) // Go 1.8: getBody = req.GetBody
if getBody != nil {
if req.GetBody != nil {
// TODO: consider a req.Body.Close here? or audit that all caller paths do?
body, err := getBody()
body, err := req.GetBody()
if err != nil {
return nil, err
}
@ -494,7 +545,7 @@ func (t *Transport) dialClientConn(addr string, singleUse bool) (*ClientConn, er
func (t *Transport) newTLSConfig(host string) *tls.Config {
cfg := new(tls.Config)
if t.TLSClientConfig != nil {
*cfg = *cloneTLSConfig(t.TLSClientConfig)
*cfg = *t.TLSClientConfig.Clone()
}
if !strSliceContains(cfg.NextProtos, NextProtoTLS) {
cfg.NextProtos = append([]string{NextProtoTLS}, cfg.NextProtos...)
@ -545,7 +596,7 @@ func (t *Transport) expectContinueTimeout() time.Duration {
if t.t1 == nil {
return 0
}
return transportExpectContinueTimeout(t.t1)
return t.t1.ExpectContinueTimeout
}
func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
@ -670,8 +721,19 @@ func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
if cc.singleUse && cc.nextStreamID > 1 {
return
}
st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing &&
int64(cc.nextStreamID)+int64(cc.pendingRequests) < math.MaxInt32
var maxConcurrentOkay bool
if cc.t.StrictMaxConcurrentStreams {
// We'll tell the caller we can take a new request to
// prevent the caller from dialing a new TCP
// connection, but then we'll block later before
// writing it.
maxConcurrentOkay = true
} else {
maxConcurrentOkay = int64(len(cc.streams)+1) < int64(cc.maxConcurrentStreams)
}
st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing && maxConcurrentOkay &&
int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32
st.freshConn = cc.nextStreamID == 1 && st.canTakeNewRequest
return
}
@ -711,8 +773,7 @@ func (cc *ClientConn) closeIfIdle() {
var shutdownEnterWaitStateHook = func() {}
// Shutdown gracefully close the client connection, waiting for running streams to complete.
// Public implementation is in go17.go and not_go17.go
func (cc *ClientConn) shutdown(ctx contextContext) error {
func (cc *ClientConn) Shutdown(ctx context.Context) error {
if err := cc.sendGoAway(); err != nil {
return err
}
@ -882,7 +943,7 @@ func checkConnHeaders(req *http.Request) error {
// req.ContentLength, where 0 actually means zero (not unknown) and -1
// means unknown.
func actualContentLength(req *http.Request) int64 {
if req.Body == nil || reqBodyIsNoBody(req.Body) {
if req.Body == nil || req.Body == http.NoBody {
return 0
}
if req.ContentLength != 0 {
@ -952,7 +1013,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
cs := cc.newStream()
cs.req = req
cs.trace = requestTrace(req)
cs.trace = httptrace.ContextClientTrace(req.Context())
cs.requestedGzip = requestedGzip
bodyWriter := cc.t.getBodyWriterState(cs, body)
cs.on100 = bodyWriter.on100
@ -990,7 +1051,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
readLoopResCh := cs.resc
bodyWritten := false
ctx := reqContext(req)
ctx := req.Context()
handleReadLoopResponse := func(re resAndError) (*http.Response, bool, error) {
res := re.res
@ -1060,6 +1121,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
default:
}
if err != nil {
cc.forgetStreamID(cs.ID)
return nil, cs.getStartedWrite(), err
}
bodyWritten = true
@ -1181,6 +1243,7 @@ func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) (
sawEOF = true
err = nil
} else if err != nil {
cc.writeStreamReset(cs.ID, ErrCodeCancel, err)
return err
}
@ -1416,7 +1479,7 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
return nil, errRequestHeaderListSize
}
trace := requestTrace(req)
trace := httptrace.ContextClientTrace(req.Context())
traceHeaders := traceHasWroteHeaderField(trace)
// Header list size is ok. Write the headers.
@ -1839,7 +1902,7 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
res.Header.Del("Content-Length")
res.ContentLength = -1
res.Body = &gzipReader{body: res.Body}
setResponseUncompressed(res)
res.Uncompressed = true
}
return res, nil
}
@ -2216,8 +2279,7 @@ func (rl *clientConnReadLoop) processResetStream(f *RSTStreamFrame) error {
}
// Ping sends a PING frame to the server and waits for the ack.
// Public implementation is in go17.go and not_go17.go
func (cc *ClientConn) ping(ctx contextContext) error {
func (cc *ClientConn) Ping(ctx context.Context) error {
c := make(chan struct{})
// Generate a random payload
var p [8]byte
@ -2451,3 +2513,91 @@ func (s bodyWriterState) scheduleBodyWrite() {
func isConnectionCloseRequest(req *http.Request) bool {
return req.Close || httpguts.HeaderValuesContainsToken(req.Header["Connection"], "close")
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
// (The field is exported so it can be accessed via reflect from net/http; tested
// by TestNoDialH2RoundTripperType)
type noDialH2RoundTripper struct{ *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.Transport.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func traceGetConn(req *http.Request, hostPort string) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GetConn == nil {
return
}
trace.GetConn(hostPort)
}
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *httptrace.ClientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *httptrace.ClientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *httptrace.ClientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}

112
vendor/golang.org/x/net/http2/transport_test.go generated vendored
View File

@ -7,6 +7,7 @@ package http2
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"errors"
"flag"
@ -31,7 +32,6 @@ import (
"testing"
"time"
"golang.org/x/net/context"
"golang.org/x/net/http2/hpack"
)
@ -424,7 +424,7 @@ func TestActualContentLength(t *testing.T) {
},
// http.NoBody means 0, not -1.
3: {
req: &http.Request{Body: go18httpNoBody()},
req: &http.Request{Body: http.NoBody},
want: 0,
},
}
@ -564,9 +564,6 @@ func TestTransportDialTLS(t *testing.T) {
func TestConfigureTransport(t *testing.T) {
t1 := &http.Transport{}
err := ConfigureTransport(t1)
if err == errTransportVersion {
t.Skip(err)
}
if err != nil {
t.Fatal(err)
}
@ -3532,6 +3529,8 @@ func TestTransportResponseDataBeforeHeaders(t *testing.T) {
}
ct.run()
}
// tests Transport.StrictMaxConcurrentStreams
func TestTransportRequestsStallAtServerLimit(t *testing.T) {
const maxConcurrent = 2
@ -3585,6 +3584,7 @@ func TestTransportRequestsStallAtServerLimit(t *testing.T) {
}()
ct := newClientTester(t)
ct.tr.StrictMaxConcurrentStreams = true
ct.client = func() error {
var wg sync.WaitGroup
defer func() {
@ -3784,7 +3784,7 @@ func TestTransportNoBodyMeansNoDATA(t *testing.T) {
unblockClient := make(chan bool)
ct.client = func() error {
req, _ := http.NewRequest("GET", "https://dummy.tld/", go18httpNoBody())
req, _ := http.NewRequest("GET", "https://dummy.tld/", http.NoBody)
ct.tr.RoundTrip(req)
<-unblockClient
return nil
@ -4024,8 +4024,8 @@ func testClientConnClose(t *testing.T, closeMode closeMode) {
}
switch closeMode {
case shutdownCancel:
if err = cc.Shutdown(canceledCtx); err != errCanceled {
t.Errorf("got %v, want %v", err, errCanceled)
if err = cc.Shutdown(canceledCtx); err != context.Canceled {
t.Errorf("got %v, want %v", err, context.Canceled)
}
if cc.closing == false {
t.Error("expected closing to be true")
@ -4183,3 +4183,99 @@ func TestNoDialH2RoundTripperType(t *testing.T) {
t.Fatalf("wrong kind %T; want *Transport", v.Interface())
}
}
type errReader struct {
body []byte
err error
}
func (r *errReader) Read(p []byte) (int, error) {
if len(r.body) > 0 {
n := copy(p, r.body)
r.body = r.body[n:]
return n, nil
}
return 0, r.err
}
func testTransportBodyReadError(t *testing.T, body []byte) {
clientDone := make(chan struct{})
ct := newClientTester(t)
ct.client = func() error {
defer ct.cc.(*net.TCPConn).CloseWrite()
defer close(clientDone)
checkNoStreams := func() error {
cp, ok := ct.tr.connPool().(*clientConnPool)
if !ok {
return fmt.Errorf("conn pool is %T; want *clientConnPool", ct.tr.connPool())
}
cp.mu.Lock()
defer cp.mu.Unlock()
conns, ok := cp.conns["dummy.tld:443"]
if !ok {
return fmt.Errorf("missing connection")
}
if len(conns) != 1 {
return fmt.Errorf("conn pool size: %v; expect 1", len(conns))
}
if activeStreams(conns[0]) != 0 {
return fmt.Errorf("active streams count: %v; want 0", activeStreams(conns[0]))
}
return nil
}
bodyReadError := errors.New("body read error")
body := &errReader{body, bodyReadError}
req, err := http.NewRequest("PUT", "https://dummy.tld/", body)
if err != nil {
return err
}
_, err = ct.tr.RoundTrip(req)
if err != bodyReadError {
return fmt.Errorf("err = %v; want %v", err, bodyReadError)
}
if err = checkNoStreams(); err != nil {
return err
}
return nil
}
ct.server = func() error {
ct.greet()
var receivedBody []byte
var resetCount int
for {
f, err := ct.fr.ReadFrame()
if err != nil {
select {
case <-clientDone:
// If the client's done, it
// will have reported any
// errors on its side.
if bytes.Compare(receivedBody, body) != 0 {
return fmt.Errorf("body: %v; expected %v", receivedBody, body)
}
if resetCount != 1 {
return fmt.Errorf("stream reset count: %v; expected: 1", resetCount)
}
return nil
default:
return err
}
}
switch f := f.(type) {
case *WindowUpdateFrame, *SettingsFrame:
case *HeadersFrame:
case *DataFrame:
receivedBody = append(receivedBody, f.Data()...)
case *RSTStreamFrame:
resetCount++
default:
return fmt.Errorf("Unexpected client frame %v", f)
}
}
}
ct.run()
}
func TestTransportBodyReadError_Immediately(t *testing.T) { testTransportBodyReadError(t, nil) }
func TestTransportBodyReadError_Some(t *testing.T) { testTransportBodyReadError(t, []byte("123")) }

4
vendor/golang.org/x/net/http2/write.go generated vendored
View File

@ -199,7 +199,7 @@ func (w *writeResHeaders) staysWithinBuffer(max int) bool {
// TODO: this is a common one. It'd be nice to return true
// here and get into the fast path if we could be clever and
// calculate the size fast enough, or at least a conservative
// uppper bound that usually fires. (Maybe if w.h and
// upper bound that usually fires. (Maybe if w.h and
// w.trailers are nil, so we don't need to enumerate it.)
// Otherwise I'm afraid that just calculating the length to
// answer this question would be slower than the ~2µs benefit.
@ -329,7 +329,7 @@ func (wu writeWindowUpdate) writeFrame(ctx writeContext) error {
}
// encodeHeaders encodes an http.Header. If keys is not nil, then (k, h[k])
// is encoded only only if k is in keys.
// is encoded only if k is in keys.
func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) {
if keys == nil {
sorter := sorterPool.Get().(*sorter)