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-rw-r--r--vendor/golang.org/x/net/context/context.go6
-rw-r--r--vendor/golang.org/x/net/context/go17.go10
-rw-r--r--vendor/golang.org/x/net/context/pre_go17.go10
-rw-r--r--vendor/golang.org/x/net/http/httpguts/httplex.go54
-rw-r--r--vendor/golang.org/x/net/http2/client_conn_pool.go3
-rw-r--r--vendor/golang.org/x/net/http2/errors.go2
-rw-r--r--vendor/golang.org/x/net/http2/frame.go3
-rw-r--r--vendor/golang.org/x/net/http2/hpack/huffman.go87
-rw-r--r--vendor/golang.org/x/net/http2/http2.go14
-rw-r--r--vendor/golang.org/x/net/http2/server.go135
-rw-r--r--vendor/golang.org/x/net/http2/transport.go18
-rw-r--r--vendor/golang.org/x/net/http2/writesched_priority.go9
-rw-r--r--vendor/golang.org/x/net/idna/trieval.go34
13 files changed, 240 insertions, 145 deletions
diff --git a/vendor/golang.org/x/net/context/context.go b/vendor/golang.org/x/net/context/context.go
index a3c021d3f..cf66309c4 100644
--- a/vendor/golang.org/x/net/context/context.go
+++ b/vendor/golang.org/x/net/context/context.go
@@ -21,9 +21,9 @@
// explicitly to each function that needs it. The Context should be the first
// parameter, typically named ctx:
//
-// func DoSomething(ctx context.Context, arg Arg) error {
-// // ... use ctx ...
-// }
+// func DoSomething(ctx context.Context, arg Arg) error {
+// // ... use ctx ...
+// }
//
// Do not pass a nil Context, even if a function permits it. Pass context.TODO
// if you are unsure about which Context to use.
diff --git a/vendor/golang.org/x/net/context/go17.go b/vendor/golang.org/x/net/context/go17.go
index 344bd1433..0a54bdbcc 100644
--- a/vendor/golang.org/x/net/context/go17.go
+++ b/vendor/golang.org/x/net/context/go17.go
@@ -54,11 +54,11 @@ func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) {
// Canceling this context releases resources associated with it, so code should
// call cancel as soon as the operations running in this Context complete:
//
-// func slowOperationWithTimeout(ctx context.Context) (Result, error) {
-// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
-// defer cancel() // releases resources if slowOperation completes before timeout elapses
-// return slowOperation(ctx)
-// }
+// func slowOperationWithTimeout(ctx context.Context) (Result, error) {
+// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
+// defer cancel() // releases resources if slowOperation completes before timeout elapses
+// return slowOperation(ctx)
+// }
func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {
return WithDeadline(parent, time.Now().Add(timeout))
}
diff --git a/vendor/golang.org/x/net/context/pre_go17.go b/vendor/golang.org/x/net/context/pre_go17.go
index 5270db5db..7b6b68511 100644
--- a/vendor/golang.org/x/net/context/pre_go17.go
+++ b/vendor/golang.org/x/net/context/pre_go17.go
@@ -264,11 +264,11 @@ func (c *timerCtx) cancel(removeFromParent bool, err error) {
// Canceling this context releases resources associated with it, so code should
// call cancel as soon as the operations running in this Context complete:
//
-// func slowOperationWithTimeout(ctx context.Context) (Result, error) {
-// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
-// defer cancel() // releases resources if slowOperation completes before timeout elapses
-// return slowOperation(ctx)
-// }
+// func slowOperationWithTimeout(ctx context.Context) (Result, error) {
+// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)
+// defer cancel() // releases resources if slowOperation completes before timeout elapses
+// return slowOperation(ctx)
+// }
func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {
return WithDeadline(parent, time.Now().Add(timeout))
}
diff --git a/vendor/golang.org/x/net/http/httpguts/httplex.go b/vendor/golang.org/x/net/http/httpguts/httplex.go
index c79aa73f2..6e071e852 100644
--- a/vendor/golang.org/x/net/http/httpguts/httplex.go
+++ b/vendor/golang.org/x/net/http/httpguts/httplex.go
@@ -173,13 +173,15 @@ func tokenEqual(t1, t2 string) bool {
// isLWS reports whether b is linear white space, according
// to http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2
-// LWS = [CRLF] 1*( SP | HT )
+//
+// LWS = [CRLF] 1*( SP | HT )
func isLWS(b byte) bool { return b == ' ' || b == '\t' }
// isCTL reports whether b is a control byte, according
// to http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2
-// CTL = <any US-ASCII control character
-// (octets 0 - 31) and DEL (127)>
+//
+// CTL = <any US-ASCII control character
+// (octets 0 - 31) and DEL (127)>
func isCTL(b byte) bool {
const del = 0x7f // a CTL
return b < ' ' || b == del
@@ -189,12 +191,13 @@ func isCTL(b byte) bool {
// HTTP/2 imposes the additional restriction that uppercase ASCII
// letters are not allowed.
//
-// RFC 7230 says:
-// header-field = field-name ":" OWS field-value OWS
-// field-name = token
-// token = 1*tchar
-// tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." /
-// "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA
+// RFC 7230 says:
+//
+// header-field = field-name ":" OWS field-value OWS
+// field-name = token
+// token = 1*tchar
+// tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." /
+// "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA
func ValidHeaderFieldName(v string) bool {
if len(v) == 0 {
return false
@@ -267,27 +270,28 @@ var validHostByte = [256]bool{
// ValidHeaderFieldValue reports whether v is a valid "field-value" according to
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2 :
//
-// message-header = field-name ":" [ field-value ]
-// field-value = *( field-content | LWS )
-// field-content = <the OCTETs making up the field-value
-// and consisting of either *TEXT or combinations
-// of token, separators, and quoted-string>
+// message-header = field-name ":" [ field-value ]
+// field-value = *( field-content | LWS )
+// field-content = <the OCTETs making up the field-value
+// and consisting of either *TEXT or combinations
+// of token, separators, and quoted-string>
//
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec2.html#sec2.2 :
//
-// TEXT = <any OCTET except CTLs,
-// but including LWS>
-// LWS = [CRLF] 1*( SP | HT )
-// CTL = <any US-ASCII control character
-// (octets 0 - 31) and DEL (127)>
+// TEXT = <any OCTET except CTLs,
+// but including LWS>
+// LWS = [CRLF] 1*( SP | HT )
+// CTL = <any US-ASCII control character
+// (octets 0 - 31) and DEL (127)>
//
// RFC 7230 says:
-// field-value = *( field-content / obs-fold )
-// obj-fold = N/A to http2, and deprecated
-// field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
-// field-vchar = VCHAR / obs-text
-// obs-text = %x80-FF
-// VCHAR = "any visible [USASCII] character"
+//
+// field-value = *( field-content / obs-fold )
+// obj-fold = N/A to http2, and deprecated
+// field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
+// field-vchar = VCHAR / obs-text
+// obs-text = %x80-FF
+// VCHAR = "any visible [USASCII] character"
//
// http2 further says: "Similarly, HTTP/2 allows header field values
// that are not valid. While most of the values that can be encoded
diff --git a/vendor/golang.org/x/net/http2/client_conn_pool.go b/vendor/golang.org/x/net/http2/client_conn_pool.go
index c936843ea..780968d6c 100644
--- a/vendor/golang.org/x/net/http2/client_conn_pool.go
+++ b/vendor/golang.org/x/net/http2/client_conn_pool.go
@@ -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
diff --git a/vendor/golang.org/x/net/http2/errors.go b/vendor/golang.org/x/net/http2/errors.go
index 2663e5d28..f2067dabc 100644
--- a/vendor/golang.org/x/net/http2/errors.go
+++ b/vendor/golang.org/x/net/http2/errors.go
@@ -136,7 +136,7 @@ func (e headerFieldNameError) Error() string {
type headerFieldValueError string
func (e headerFieldValueError) Error() string {
- return fmt.Sprintf("invalid header field value %q", string(e))
+ return fmt.Sprintf("invalid header field value for %q", string(e))
}
var (
diff --git a/vendor/golang.org/x/net/http2/frame.go b/vendor/golang.org/x/net/http2/frame.go
index 96a747905..0178647ee 100644
--- a/vendor/golang.org/x/net/http2/frame.go
+++ b/vendor/golang.org/x/net/http2/frame.go
@@ -1532,7 +1532,8 @@ func (fr *Framer) readMetaFrame(hf *HeadersFrame) (*MetaHeadersFrame, error) {
fr.debugReadLoggerf("http2: decoded hpack field %+v", hf)
}
if !httpguts.ValidHeaderFieldValue(hf.Value) {
- invalid = headerFieldValueError(hf.Value)
+ // Don't include the value in the error, because it may be sensitive.
+ invalid = headerFieldValueError(hf.Name)
}
isPseudo := strings.HasPrefix(hf.Name, ":")
if isPseudo {
diff --git a/vendor/golang.org/x/net/http2/hpack/huffman.go b/vendor/golang.org/x/net/http2/hpack/huffman.go
index fe0b84ccd..20d083a71 100644
--- a/vendor/golang.org/x/net/http2/hpack/huffman.go
+++ b/vendor/golang.org/x/net/http2/hpack/huffman.go
@@ -169,25 +169,50 @@ func buildRootHuffmanNode() {
// AppendHuffmanString appends s, as encoded in Huffman codes, to dst
// and returns the extended buffer.
func AppendHuffmanString(dst []byte, s string) []byte {
- rembits := uint8(8)
-
+ // This relies on the maximum huffman code length being 30 (See tables.go huffmanCodeLen array)
+ // So if a uint64 buffer has less than 32 valid bits can always accommodate another huffmanCode.
+ var (
+ x uint64 // buffer
+ n uint // number valid of bits present in x
+ )
for i := 0; i < len(s); i++ {
- if rembits == 8 {
- dst = append(dst, 0)
+ c := s[i]
+ n += uint(huffmanCodeLen[c])
+ x <<= huffmanCodeLen[c] % 64
+ x |= uint64(huffmanCodes[c])
+ if n >= 32 {
+ n %= 32 // Normally would be -= 32 but %= 32 informs compiler 0 <= n <= 31 for upcoming shift
+ y := uint32(x >> n) // Compiler doesn't combine memory writes if y isn't uint32
+ dst = append(dst, byte(y>>24), byte(y>>16), byte(y>>8), byte(y))
}
- dst, rembits = appendByteToHuffmanCode(dst, rembits, s[i])
}
-
- if rembits < 8 {
- // special EOS symbol
- code := uint32(0x3fffffff)
- nbits := uint8(30)
-
- t := uint8(code >> (nbits - rembits))
- dst[len(dst)-1] |= t
+ // Add padding bits if necessary
+ if over := n % 8; over > 0 {
+ const (
+ eosCode = 0x3fffffff
+ eosNBits = 30
+ eosPadByte = eosCode >> (eosNBits - 8)
+ )
+ pad := 8 - over
+ x = (x << pad) | (eosPadByte >> over)
+ n += pad // 8 now divides into n exactly
}
-
- return dst
+ // n in (0, 8, 16, 24, 32)
+ switch n / 8 {
+ case 0:
+ return dst
+ case 1:
+ return append(dst, byte(x))
+ case 2:
+ y := uint16(x)
+ return append(dst, byte(y>>8), byte(y))
+ case 3:
+ y := uint16(x >> 8)
+ return append(dst, byte(y>>8), byte(y), byte(x))
+ }
+ // case 4:
+ y := uint32(x)
+ return append(dst, byte(y>>24), byte(y>>16), byte(y>>8), byte(y))
}
// HuffmanEncodeLength returns the number of bytes required to encode
@@ -199,35 +224,3 @@ func HuffmanEncodeLength(s string) uint64 {
}
return (n + 7) / 8
}
-
-// appendByteToHuffmanCode appends Huffman code for c to dst and
-// returns the extended buffer and the remaining bits in the last
-// element. The appending is not byte aligned and the remaining bits
-// in the last element of dst is given in rembits.
-func appendByteToHuffmanCode(dst []byte, rembits uint8, c byte) ([]byte, uint8) {
- code := huffmanCodes[c]
- nbits := huffmanCodeLen[c]
-
- for {
- if rembits > nbits {
- t := uint8(code << (rembits - nbits))
- dst[len(dst)-1] |= t
- rembits -= nbits
- break
- }
-
- t := uint8(code >> (nbits - rembits))
- dst[len(dst)-1] |= t
-
- nbits -= rembits
- rembits = 8
-
- if nbits == 0 {
- break
- }
-
- dst = append(dst, 0)
- }
-
- return dst, rembits
-}
diff --git a/vendor/golang.org/x/net/http2/http2.go b/vendor/golang.org/x/net/http2/http2.go
index 5571ccfd2..479ba4b2b 100644
--- a/vendor/golang.org/x/net/http2/http2.go
+++ b/vendor/golang.org/x/net/http2/http2.go
@@ -13,7 +13,6 @@
// See https://http2.github.io/ for more information on HTTP/2.
//
// See https://http2.golang.org/ for a test server running this code.
-//
package http2 // import "golang.org/x/net/http2"
import (
@@ -176,10 +175,11 @@ func (s SettingID) String() string {
// name (key). See httpguts.ValidHeaderName for the base rules.
//
// Further, http2 says:
-// "Just as in HTTP/1.x, header field names are strings of ASCII
-// characters that are compared in a case-insensitive
-// fashion. However, header field names MUST be converted to
-// lowercase prior to their encoding in HTTP/2. "
+//
+// "Just as in HTTP/1.x, header field names are strings of ASCII
+// characters that are compared in a case-insensitive
+// fashion. However, header field names MUST be converted to
+// lowercase prior to their encoding in HTTP/2. "
func validWireHeaderFieldName(v string) bool {
if len(v) == 0 {
return false
@@ -365,8 +365,8 @@ func (s *sorter) SortStrings(ss []string) {
// validPseudoPath reports whether v is a valid :path pseudo-header
// value. It must be either:
//
-// *) a non-empty string starting with '/'
-// *) the string '*', for OPTIONS requests.
+// - a non-empty string starting with '/'
+// - the string '*', for OPTIONS requests.
//
// For now this is only used a quick check for deciding when to clean
// up Opaque URLs before sending requests from the Transport.
diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go
index e644d9b2f..47524a61a 100644
--- a/vendor/golang.org/x/net/http2/server.go
+++ b/vendor/golang.org/x/net/http2/server.go
@@ -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)
@@ -400,7 +415,7 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
if s.NewWriteScheduler != nil {
sc.writeSched = s.NewWriteScheduler()
} else {
- sc.writeSched = NewRandomWriteScheduler()
+ sc.writeSched = NewPriorityWriteScheduler(nil)
}
// These start at the RFC-specified defaults. If there is a higher
@@ -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.
@@ -2316,17 +2375,18 @@ type requestBody struct {
_ incomparable
stream *stream
conn *serverConn
- closed bool // for use by Close only
- sawEOF bool // for use by Read only
- pipe *pipe // non-nil if we have a HTTP entity message body
- needsContinue bool // need to send a 100-continue
+ closeOnce sync.Once // for use by Close only
+ sawEOF bool // for use by Read only
+ pipe *pipe // non-nil if we have a HTTP entity message body
+ needsContinue bool // need to send a 100-continue
}
func (b *requestBody) Close() error {
- if b.pipe != nil && !b.closed {
- b.pipe.BreakWithError(errClosedBody)
- }
- b.closed = true
+ b.closeOnce.Do(func() {
+ if b.pipe != nil {
+ b.pipe.BreakWithError(errClosedBody)
+ }
+ })
return nil
}
@@ -2370,7 +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
@@ -2546,8 +2605,9 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
// prior to the headers being written. If the set of trailers is fixed
// or known before the header is written, the normal Go trailers mechanism
// is preferred:
-// https://golang.org/pkg/net/http/#ResponseWriter
-// https://golang.org/pkg/net/http/#example_ResponseWriter_trailers
+//
+// https://golang.org/pkg/net/http/#ResponseWriter
+// https://golang.org/pkg/net/http/#example_ResponseWriter_trailers
const TrailerPrefix = "Trailer:"
// promoteUndeclaredTrailers permits http.Handlers to set trailers
@@ -2643,8 +2703,7 @@ func checkWriteHeaderCode(code int) {
// Issue 22880: require valid WriteHeader status codes.
// For now we only enforce that it's three digits.
// In the future we might block things over 599 (600 and above aren't defined
- // at http://httpwg.org/specs/rfc7231.html#status.codes)
- // and we might block under 200 (once we have more mature 1xx support).
+ // at http://httpwg.org/specs/rfc7231.html#status.codes).
// But for now any three digits.
//
// We used to send "HTTP/1.1 000 0" on the wire in responses but there's
@@ -2665,13 +2724,41 @@ func (w *responseWriter) WriteHeader(code int) {
}
func (rws *responseWriterState) writeHeader(code int) {
- if !rws.wroteHeader {
- checkWriteHeaderCode(code)
- rws.wroteHeader = true
- rws.status = code
- if len(rws.handlerHeader) > 0 {
- rws.snapHeader = cloneHeader(rws.handlerHeader)
+ if rws.wroteHeader {
+ return
+ }
+
+ checkWriteHeaderCode(code)
+
+ // Handle informational headers
+ if code >= 100 && code <= 199 {
+ // Per RFC 8297 we must not clear the current header map
+ h := rws.handlerHeader
+
+ _, cl := h["Content-Length"]
+ _, te := h["Transfer-Encoding"]
+ if cl || te {
+ h = h.Clone()
+ h.Del("Content-Length")
+ h.Del("Transfer-Encoding")
+ }
+
+ if rws.conn.writeHeaders(rws.stream, &writeResHeaders{
+ streamID: rws.stream.id,
+ httpResCode: code,
+ h: h,
+ endStream: rws.handlerDone && !rws.hasTrailers(),
+ }) != nil {
+ rws.dirty = true
}
+
+ return
+ }
+
+ rws.wroteHeader = true
+ rws.status = code
+ if len(rws.handlerHeader) > 0 {
+ rws.snapHeader = cloneHeader(rws.handlerHeader)
}
}
diff --git a/vendor/golang.org/x/net/http2/transport.go b/vendor/golang.org/x/net/http2/transport.go
index 4f0989763..4ded4dfd5 100644
--- a/vendor/golang.org/x/net/http2/transport.go
+++ b/vendor/golang.org/x/net/http2/transport.go
@@ -16,7 +16,6 @@ import (
"errors"
"fmt"
"io"
- "io/ioutil"
"log"
"math"
mathrand "math/rand"
@@ -501,12 +500,14 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res
if req, err = shouldRetryRequest(req, err); err == nil {
// After the first retry, do exponential backoff with 10% jitter.
if retry == 0 {
+ t.vlogf("RoundTrip retrying after failure: %v", err)
continue
}
backoff := float64(uint(1) << (uint(retry) - 1))
backoff += backoff * (0.1 * mathrand.Float64())
select {
case <-time.After(time.Second * time.Duration(backoff)):
+ t.vlogf("RoundTrip retrying after failure: %v", err)
continue
case <-req.Context().Done():
err = req.Context().Err()
@@ -732,10 +733,13 @@ func (cc *ClientConn) healthCheck() {
// trigger the healthCheck again if there is no frame received.
ctx, cancel := context.WithTimeout(context.Background(), pingTimeout)
defer cancel()
+ cc.vlogf("http2: Transport sending health check")
err := cc.Ping(ctx)
if err != nil {
+ cc.vlogf("http2: Transport health check failure: %v", err)
cc.closeForLostPing()
- return
+ } else {
+ cc.vlogf("http2: Transport health check success")
}
}
@@ -1765,7 +1769,8 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
}
for _, v := range vv {
if !httpguts.ValidHeaderFieldValue(v) {
- return nil, fmt.Errorf("invalid HTTP header value %q for header %q", v, k)
+ // Don't include the value in the error, because it may be sensitive.
+ return nil, fmt.Errorf("invalid HTTP header value for header %q", k)
}
}
}
@@ -2898,7 +2903,12 @@ func (t *Transport) logf(format string, args ...interface{}) {
log.Printf(format, args...)
}
-var noBody io.ReadCloser = ioutil.NopCloser(bytes.NewReader(nil))
+var noBody io.ReadCloser = noBodyReader{}
+
+type noBodyReader struct{}
+
+func (noBodyReader) Close() error { return nil }
+func (noBodyReader) Read([]byte) (int, error) { return 0, io.EOF }
type missingBody struct{}
diff --git a/vendor/golang.org/x/net/http2/writesched_priority.go b/vendor/golang.org/x/net/http2/writesched_priority.go
index 2618b2c11..0a242c669 100644
--- a/vendor/golang.org/x/net/http2/writesched_priority.go
+++ b/vendor/golang.org/x/net/http2/writesched_priority.go
@@ -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")
}
diff --git a/vendor/golang.org/x/net/idna/trieval.go b/vendor/golang.org/x/net/idna/trieval.go
index 7a8cf889b..9c070a44b 100644
--- a/vendor/golang.org/x/net/idna/trieval.go
+++ b/vendor/golang.org/x/net/idna/trieval.go
@@ -17,23 +17,23 @@ package idna
//
// The per-rune values have the following format:
//
-// if mapped {
-// if inlinedXOR {
-// 15..13 inline XOR marker
-// 12..11 unused
-// 10..3 inline XOR mask
-// } else {
-// 15..3 index into xor or mapping table
-// }
-// } else {
-// 15..14 unused
-// 13 mayNeedNorm
-// 12..11 attributes
-// 10..8 joining type
-// 7..3 category type
-// }
-// 2 use xor pattern
-// 1..0 mapped category
+// if mapped {
+// if inlinedXOR {
+// 15..13 inline XOR marker
+// 12..11 unused
+// 10..3 inline XOR mask
+// } else {
+// 15..3 index into xor or mapping table
+// }
+// } else {
+// 15..14 unused
+// 13 mayNeedNorm
+// 12..11 attributes
+// 10..8 joining type
+// 7..3 category type
+// }
+// 2 use xor pattern
+// 1..0 mapped category
//
// See the definitions below for a more detailed description of the various
// bits.