This update provides:
1) workaround around the build failures. In
summary, it forces the download of some packages during the build
process.
2) update the set of packages that should go inside the vendor
directory
3) Update the dockerfile to use go 1.10
Change-Id: I2bfd090ce0f25b0c10aa214755ae2da7e5384d60
diff --git a/vendor/github.com/gorilla/websocket/util.go b/vendor/github.com/gorilla/websocket/util.go
new file mode 100644
index 0000000..354001e
--- /dev/null
+++ b/vendor/github.com/gorilla/websocket/util.go
@@ -0,0 +1,237 @@
+// Copyright 2013 The Gorilla WebSocket 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 websocket
+
+import (
+ "crypto/rand"
+ "crypto/sha1"
+ "encoding/base64"
+ "io"
+ "net/http"
+ "strings"
+ "unicode/utf8"
+)
+
+var keyGUID = []byte("258EAFA5-E914-47DA-95CA-C5AB0DC85B11")
+
+func computeAcceptKey(challengeKey string) string {
+ h := sha1.New()
+ h.Write([]byte(challengeKey))
+ h.Write(keyGUID)
+ return base64.StdEncoding.EncodeToString(h.Sum(nil))
+}
+
+func generateChallengeKey() (string, error) {
+ p := make([]byte, 16)
+ if _, err := io.ReadFull(rand.Reader, p); err != nil {
+ return "", err
+ }
+ return base64.StdEncoding.EncodeToString(p), nil
+}
+
+// Octet types from RFC 2616.
+var octetTypes [256]byte
+
+const (
+ isTokenOctet = 1 << iota
+ isSpaceOctet
+)
+
+func init() {
+ // From RFC 2616
+ //
+ // OCTET = <any 8-bit sequence of data>
+ // CHAR = <any US-ASCII character (octets 0 - 127)>
+ // CTL = <any US-ASCII control character (octets 0 - 31) and DEL (127)>
+ // CR = <US-ASCII CR, carriage return (13)>
+ // LF = <US-ASCII LF, linefeed (10)>
+ // SP = <US-ASCII SP, space (32)>
+ // HT = <US-ASCII HT, horizontal-tab (9)>
+ // <"> = <US-ASCII double-quote mark (34)>
+ // CRLF = CR LF
+ // LWS = [CRLF] 1*( SP | HT )
+ // TEXT = <any OCTET except CTLs, but including LWS>
+ // separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <">
+ // | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT
+ // token = 1*<any CHAR except CTLs or separators>
+ // qdtext = <any TEXT except <">>
+
+ for c := 0; c < 256; c++ {
+ var t byte
+ isCtl := c <= 31 || c == 127
+ isChar := 0 <= c && c <= 127
+ isSeparator := strings.IndexRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) >= 0
+ if strings.IndexRune(" \t\r\n", rune(c)) >= 0 {
+ t |= isSpaceOctet
+ }
+ if isChar && !isCtl && !isSeparator {
+ t |= isTokenOctet
+ }
+ octetTypes[c] = t
+ }
+}
+
+func skipSpace(s string) (rest string) {
+ i := 0
+ for ; i < len(s); i++ {
+ if octetTypes[s[i]]&isSpaceOctet == 0 {
+ break
+ }
+ }
+ return s[i:]
+}
+
+func nextToken(s string) (token, rest string) {
+ i := 0
+ for ; i < len(s); i++ {
+ if octetTypes[s[i]]&isTokenOctet == 0 {
+ break
+ }
+ }
+ return s[:i], s[i:]
+}
+
+func nextTokenOrQuoted(s string) (value string, rest string) {
+ if !strings.HasPrefix(s, "\"") {
+ return nextToken(s)
+ }
+ s = s[1:]
+ for i := 0; i < len(s); i++ {
+ switch s[i] {
+ case '"':
+ return s[:i], s[i+1:]
+ case '\\':
+ p := make([]byte, len(s)-1)
+ j := copy(p, s[:i])
+ escape := true
+ for i = i + 1; i < len(s); i++ {
+ b := s[i]
+ switch {
+ case escape:
+ escape = false
+ p[j] = b
+ j++
+ case b == '\\':
+ escape = true
+ case b == '"':
+ return string(p[:j]), s[i+1:]
+ default:
+ p[j] = b
+ j++
+ }
+ }
+ return "", ""
+ }
+ }
+ return "", ""
+}
+
+// equalASCIIFold returns true if s is equal to t with ASCII case folding.
+func equalASCIIFold(s, t string) bool {
+ for s != "" && t != "" {
+ sr, size := utf8.DecodeRuneInString(s)
+ s = s[size:]
+ tr, size := utf8.DecodeRuneInString(t)
+ t = t[size:]
+ if sr == tr {
+ continue
+ }
+ if 'A' <= sr && sr <= 'Z' {
+ sr = sr + 'a' - 'A'
+ }
+ if 'A' <= tr && tr <= 'Z' {
+ tr = tr + 'a' - 'A'
+ }
+ if sr != tr {
+ return false
+ }
+ }
+ return s == t
+}
+
+// tokenListContainsValue returns true if the 1#token header with the given
+// name contains a token equal to value with ASCII case folding.
+func tokenListContainsValue(header http.Header, name string, value string) bool {
+headers:
+ for _, s := range header[name] {
+ for {
+ var t string
+ t, s = nextToken(skipSpace(s))
+ if t == "" {
+ continue headers
+ }
+ s = skipSpace(s)
+ if s != "" && s[0] != ',' {
+ continue headers
+ }
+ if equalASCIIFold(t, value) {
+ return true
+ }
+ if s == "" {
+ continue headers
+ }
+ s = s[1:]
+ }
+ }
+ return false
+}
+
+// parseExtensions parses WebSocket extensions from a header.
+func parseExtensions(header http.Header) []map[string]string {
+ // From RFC 6455:
+ //
+ // Sec-WebSocket-Extensions = extension-list
+ // extension-list = 1#extension
+ // extension = extension-token *( ";" extension-param )
+ // extension-token = registered-token
+ // registered-token = token
+ // extension-param = token [ "=" (token | quoted-string) ]
+ // ;When using the quoted-string syntax variant, the value
+ // ;after quoted-string unescaping MUST conform to the
+ // ;'token' ABNF.
+
+ var result []map[string]string
+headers:
+ for _, s := range header["Sec-Websocket-Extensions"] {
+ for {
+ var t string
+ t, s = nextToken(skipSpace(s))
+ if t == "" {
+ continue headers
+ }
+ ext := map[string]string{"": t}
+ for {
+ s = skipSpace(s)
+ if !strings.HasPrefix(s, ";") {
+ break
+ }
+ var k string
+ k, s = nextToken(skipSpace(s[1:]))
+ if k == "" {
+ continue headers
+ }
+ s = skipSpace(s)
+ var v string
+ if strings.HasPrefix(s, "=") {
+ v, s = nextTokenOrQuoted(skipSpace(s[1:]))
+ s = skipSpace(s)
+ }
+ if s != "" && s[0] != ',' && s[0] != ';' {
+ continue headers
+ }
+ ext[k] = v
+ }
+ if s != "" && s[0] != ',' {
+ continue headers
+ }
+ result = append(result, ext)
+ if s == "" {
+ continue headers
+ }
+ s = s[1:]
+ }
+ }
+ return result
+}