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author | Christopher Speller <crspeller@gmail.com> | 2018-08-28 10:05:26 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-08-28 10:05:26 -0700 |
commit | 61e27beabc9804fdcf59ed9df2180802175a4f70 (patch) | |
tree | 52c86f5cdbd4e13d05b8f9dddad1a01b88e26cab /vendor/golang.org/x/net/http2 | |
parent | 347ee1d205c95f5fd766e206cc65bfb9782a2623 (diff) | |
download | chat-61e27beabc9804fdcf59ed9df2180802175a4f70.tar.gz chat-61e27beabc9804fdcf59ed9df2180802175a4f70.tar.bz2 chat-61e27beabc9804fdcf59ed9df2180802175a4f70.zip |
Updating dependancies. (#9303)
Diffstat (limited to 'vendor/golang.org/x/net/http2')
-rw-r--r-- | vendor/golang.org/x/net/http2/headermap.go | 20 | ||||
-rw-r--r-- | vendor/golang.org/x/net/http2/hpack/huffman.go | 20 | ||||
-rw-r--r-- | vendor/golang.org/x/net/http2/http2.go | 17 | ||||
-rw-r--r-- | vendor/golang.org/x/net/http2/server.go | 11 |
4 files changed, 37 insertions, 31 deletions
diff --git a/vendor/golang.org/x/net/http2/headermap.go b/vendor/golang.org/x/net/http2/headermap.go index c2805f6ac..c3ff3fa1c 100644 --- a/vendor/golang.org/x/net/http2/headermap.go +++ b/vendor/golang.org/x/net/http2/headermap.go @@ -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 } diff --git a/vendor/golang.org/x/net/http2/hpack/huffman.go b/vendor/golang.org/x/net/http2/hpack/huffman.go index 8850e3946..b412a96c5 100644 --- a/vendor/golang.org/x/net/http2/hpack/huffman.go +++ b/vendor/golang.org/x/net/http2/hpack/huffman.go @@ -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 getRootHuffmanNode() *node { + buildRootOnce.Do(buildRootHuffmanNode) + return lazyRootHuffmanNode +} -func init() { +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) diff --git a/vendor/golang.org/x/net/http2/http2.go b/vendor/golang.org/x/net/http2/http2.go index c82428254..bdaba1d46 100644 --- a/vendor/golang.org/x/net/http2/http2.go +++ b/vendor/golang.org/x/net/http2/http2.go @@ -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) } diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go index 22cb18e06..56859d1f8 100644 --- a/vendor/golang.org/x/net/http2/server.go +++ b/vendor/golang.org/x/net/http2/server.go @@ -663,6 +663,7 @@ 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 @@ -2346,15 +2347,7 @@ 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 { |