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Update dependencies and go1.18 (#1873)

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* Update dependencies and go1.18

* Exclude unnecessary linters and update build to go1.18
This commit is contained in:
Wim
2022-08-13 16:14:26 +02:00
committed by GitHub
parent 3c4192ebf6
commit 6a3fc71397
396 changed files with 350176 additions and 309792 deletions
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3
vendor/golang.org/x/net/http2/client_conn_pool.go generated vendored
View File

@ -139,7 +139,6 @@ func (p *clientConnPool) getStartDialLocked(ctx context.Context, addr string) *d
func (c *dialCall) dial(ctx context.Context, addr string) {
const singleUse = false // shared conn
c.res, c.err = c.p.t.dialClientConn(ctx, addr, singleUse)
close(c.done)
c.p.mu.Lock()
delete(c.p.dialing, addr)
@ -147,6 +146,8 @@ func (c *dialCall) dial(ctx context.Context, addr string) {
c.p.addConnLocked(addr, c.res)
}
c.p.mu.Unlock()
close(c.done)
}
// addConnIfNeeded makes a NewClientConn out of c if a connection for key doesn't

398
vendor/golang.org/x/net/http2/h2c/h2c.go generated vendored
View File

@ -12,7 +12,6 @@ import (
"bufio"
"bytes"
"encoding/base64"
"encoding/binary"
"errors"
"fmt"
"io"
@ -25,7 +24,6 @@ import (
"golang.org/x/net/http/httpguts"
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
)
var (
@ -61,6 +59,10 @@ type h2cHandler struct {
// 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.)
//
// The first request on an h2c connection is read entirely into memory before
// the Handler is called. To limit the memory consumed by this request, wrap
// the result of NewHandler in an http.MaxBytesHandler.
func NewHandler(h http.Handler, s *http2.Server) http.Handler {
return &h2cHandler{
Handler: h,
@ -83,24 +85,31 @@ func (s h2cHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
return
}
defer conn.Close()
s.s.ServeConn(conn, &http2.ServeConnOpts{
Context: r.Context(),
Handler: s.Handler,
Context: r.Context(),
Handler: s.Handler,
SawClientPreface: true,
})
return
}
// Handle Upgrade to h2c (RFC 7540 Section 3.2)
if conn, err := h2cUpgrade(w, r); err == nil {
if isH2CUpgrade(r.Header) {
conn, settings, err := h2cUpgrade(w, r)
if err != nil {
if http2VerboseLogs {
log.Printf("h2c: error h2c upgrade: %v", err)
}
return
}
defer conn.Close()
s.s.ServeConn(conn, &http2.ServeConnOpts{
Context: r.Context(),
Handler: s.Handler,
Context: r.Context(),
Handler: s.Handler,
UpgradeRequest: r,
Settings: settings,
})
return
}
s.Handler.ServeHTTP(w, r)
return
}
@ -113,11 +122,11 @@ func (s h2cHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
func initH2CWithPriorKnowledge(w http.ResponseWriter) (net.Conn, error) {
hijacker, ok := w.(http.Hijacker)
if !ok {
panic("Hijack not supported.")
return nil, errors.New("h2c: connection does not support Hijack")
}
conn, rw, err := hijacker.Hijack()
if err != nil {
panic(fmt.Sprintf("Hijack failed: %v", err))
return nil, err
}
const expectedBody = "SM\r\n\r\n"
@ -125,249 +134,40 @@ func initH2CWithPriorKnowledge(w http.ResponseWriter) (net.Conn, error) {
buf := make([]byte, len(expectedBody))
n, err := io.ReadFull(rw, buf)
if err != nil {
return nil, fmt.Errorf("could not read from the buffer: %s", err)
return nil, fmt.Errorf("h2c: error reading client preface: %s", err)
}
if string(buf[:n]) == expectedBody {
c := &rwConn{
Conn: conn,
Reader: io.MultiReader(strings.NewReader(http2.ClientPreface), rw),
BufWriter: rw.Writer,
}
return c, nil
return newBufConn(conn, rw), 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
return nil, errors.New("h2c: invalid client preface")
}
// 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)
func h2cUpgrade(w http.ResponseWriter, r *http.Request) (_ net.Conn, settings []byte, err error) {
settings, err = getH2Settings(r.Header)
if err != nil {
return nil, err
return nil, nil, err
}
hijacker, ok := w.(http.Hijacker)
if !ok {
return nil, errors.New("hijack not supported.")
return nil, nil, errors.New("h2c: connection does not support Hijack")
}
body, _ := io.ReadAll(r.Body)
r.Body = io.NopCloser(bytes.NewBuffer(body))
conn, rw, err := hijacker.Hijack()
if err != nil {
return nil, fmt.Errorf("hijack failed: %v", err)
return nil, nil, 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 withhold 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()
return newBufConn(conn, rw), settings, nil
}
// isH2CUpgrade returns true if the header properly request an upgrade to h2c
@ -377,9 +177,8 @@ func isH2CUpgrade(h http.Header) bool {
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) {
// getH2Settings returns the settings in the HTTP2-Settings header.
func getH2Settings(h http.Header) ([]byte, error) {
vals, ok := h[textproto.CanonicalMIMEHeaderKey("HTTP2-Settings")]
if !ok {
return nil, errors.New("missing HTTP2-Settings header")
@ -387,115 +186,40 @@ func getH2Settings(h http.Header) ([]http2.Setting, error) {
if len(vals) != 1 {
return nil, fmt.Errorf("expected 1 HTTP2-Settings. Got: %v", vals)
}
settings, err := decodeSettings(vals[0])
settings, err := base64.RawURLEncoding.DecodeString(vals[0])
if err != nil {
return nil, fmt.Errorf("Invalid HTTP2-Settings: %q", vals[0])
return nil, err
}
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
func newBufConn(conn net.Conn, rw *bufio.ReadWriter) net.Conn {
rw.Flush()
if rw.Reader.Buffered() == 0 {
// If there's no buffered data to be read,
// we can just discard the bufio.ReadWriter.
return conn
}
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
return &bufConn{conn, rw.Reader}
}
// 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
// bufConn wraps a net.Conn, but reads drain the bufio.Reader first.
type bufConn struct {
net.Conn
*bufio.Reader
}
// 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
}
func (c *bufConn) Read(p []byte) (int, error) {
if c.Reader == nil {
return c.Conn.Read(p)
}
return false
n := c.Reader.Buffered()
if n == 0 {
c.Reader = nil
return c.Conn.Read(p)
}
if n < len(p) {
p = p[:n]
}
return c.Reader.Read(p)
}

68
vendor/golang.org/x/net/http2/server.go generated vendored
View File

@ -315,6 +315,20 @@ type ServeConnOpts struct {
// requests. If nil, BaseConfig.Handler is used. If BaseConfig
// or BaseConfig.Handler is nil, http.DefaultServeMux is used.
Handler http.Handler
// UpgradeRequest is an initial request received on a connection
// undergoing an h2c upgrade. The request body must have been
// completely read from the connection before calling ServeConn,
// and the 101 Switching Protocols response written.
UpgradeRequest *http.Request
// Settings is the decoded contents of the HTTP2-Settings header
// in an h2c upgrade request.
Settings []byte
// SawClientPreface is set if the HTTP/2 connection preface
// has already been read from the connection.
SawClientPreface bool
}
func (o *ServeConnOpts) context() context.Context {
@ -383,6 +397,7 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
headerTableSize: initialHeaderTableSize,
serveG: newGoroutineLock(),
pushEnabled: true,
sawClientPreface: opts.SawClientPreface,
}
s.state.registerConn(sc)
@ -465,9 +480,27 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
}
}
if opts.Settings != nil {
fr := &SettingsFrame{
FrameHeader: FrameHeader{valid: true},
p: opts.Settings,
}
if err := fr.ForeachSetting(sc.processSetting); err != nil {
sc.rejectConn(ErrCodeProtocol, "invalid settings")
return
}
opts.Settings = nil
}
if hook := testHookGetServerConn; hook != nil {
hook(sc)
}
if opts.UpgradeRequest != nil {
sc.upgradeRequest(opts.UpgradeRequest)
opts.UpgradeRequest = nil
}
sc.serve()
}
@ -512,6 +545,7 @@ type serverConn struct {
// Everything following is owned by the serve loop; use serveG.check():
serveG goroutineLock // used to verify funcs are on serve()
pushEnabled bool
sawClientPreface bool // preface has already been read, used in h2c upgrade
sawFirstSettings bool // got the initial SETTINGS frame after the preface
needToSendSettingsAck bool
unackedSettings int // how many SETTINGS have we sent without ACKs?
@ -974,6 +1008,9 @@ var errPrefaceTimeout = errors.New("timeout waiting for client preface")
// returns errPrefaceTimeout on timeout, or an error if the greeting
// is invalid.
func (sc *serverConn) readPreface() error {
if sc.sawClientPreface {
return nil
}
errc := make(chan error, 1)
go func() {
// Read the client preface
@ -1915,6 +1952,26 @@ func (sc *serverConn) processHeaders(f *MetaHeadersFrame) error {
return nil
}
func (sc *serverConn) upgradeRequest(req *http.Request) {
sc.serveG.check()
id := uint32(1)
sc.maxClientStreamID = id
st := sc.newStream(id, 0, stateHalfClosedRemote)
st.reqTrailer = req.Trailer
if st.reqTrailer != nil {
st.trailer = make(http.Header)
}
rw := sc.newResponseWriter(st, req)
// Disable any read deadline set by the net/http package
// prior to the upgrade.
if sc.hs.ReadTimeout != 0 {
sc.conn.SetReadDeadline(time.Time{})
}
go sc.runHandler(rw, req, sc.handler.ServeHTTP)
}
func (st *stream) processTrailerHeaders(f *MetaHeadersFrame) error {
sc := st.sc
sc.serveG.check()
@ -2145,6 +2202,11 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
}
req = req.WithContext(st.ctx)
rw := sc.newResponseWriter(st, req)
return rw, req, nil
}
func (sc *serverConn) newResponseWriter(st *stream, req *http.Request) *responseWriter {
rws := responseWriterStatePool.Get().(*responseWriterState)
bwSave := rws.bw
*rws = responseWriterState{} // zero all the fields
@ -2153,10 +2215,7 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
rws.bw.Reset(chunkWriter{rws})
rws.stream = st
rws.req = req
rws.body = body
rw := &responseWriter{rws: rws}
return rw, req, nil
return &responseWriter{rws: rws}
}
// Run on its own goroutine.
@ -2371,7 +2430,6 @@ type responseWriterState struct {
// immutable within a request:
stream *stream
req *http.Request
body *requestBody // to close at end of request, if DATA frames didn't
conn *serverConn
// TODO: adjust buffer writing sizes based on server config, frame size updates from peer, etc

9
vendor/golang.org/x/net/http2/writesched_priority.go generated vendored
View File

@ -383,16 +383,15 @@ func (ws *priorityWriteScheduler) AdjustStream(streamID uint32, priority Priorit
func (ws *priorityWriteScheduler) Push(wr FrameWriteRequest) {
var n *priorityNode
if id := wr.StreamID(); id == 0 {
if wr.isControl() {
n = &ws.root
} else {
id := wr.StreamID()
n = ws.nodes[id]
if n == nil {
// id is an idle or closed stream. wr should not be a HEADERS or
// DATA frame. However, wr can be a RST_STREAM. In this case, we
// push wr onto the root, rather than creating a new priorityNode,
// since RST_STREAM is tiny and the stream's priority is unknown
// anyway. See issue #17919.
// DATA frame. In other case, we push wr onto the root, rather
// than creating a new priorityNode.
if wr.DataSize() > 0 {
panic("add DATA on non-open stream")
}