[chore] remove vendor

1 files changed, 0 insertions, 298 deletions

diff --git a/vendor/github.com/gorilla/websocket/util.go b/vendor/github.com/gorilla/websocket/util.go
deleted file mode 100644
index 31a5dee64..000000000
--- a/vendor/github.com/gorilla/websocket/util.go
+++ /dev/null
@@ -1,298 +0,0 @@
-// 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
-}
-
-// Token octets per RFC 2616.
-var isTokenOctet = [256]bool{
-	'!':  true,
-	'#':  true,
-	'$':  true,
-	'%':  true,
-	'&':  true,
-	'\'': true,
-	'*':  true,
-	'+':  true,
-	'-':  true,
-	'.':  true,
-	'0':  true,
-	'1':  true,
-	'2':  true,
-	'3':  true,
-	'4':  true,
-	'5':  true,
-	'6':  true,
-	'7':  true,
-	'8':  true,
-	'9':  true,
-	'A':  true,
-	'B':  true,
-	'C':  true,
-	'D':  true,
-	'E':  true,
-	'F':  true,
-	'G':  true,
-	'H':  true,
-	'I':  true,
-	'J':  true,
-	'K':  true,
-	'L':  true,
-	'M':  true,
-	'N':  true,
-	'O':  true,
-	'P':  true,
-	'Q':  true,
-	'R':  true,
-	'S':  true,
-	'T':  true,
-	'U':  true,
-	'W':  true,
-	'V':  true,
-	'X':  true,
-	'Y':  true,
-	'Z':  true,
-	'^':  true,
-	'_':  true,
-	'`':  true,
-	'a':  true,
-	'b':  true,
-	'c':  true,
-	'd':  true,
-	'e':  true,
-	'f':  true,
-	'g':  true,
-	'h':  true,
-	'i':  true,
-	'j':  true,
-	'k':  true,
-	'l':  true,
-	'm':  true,
-	'n':  true,
-	'o':  true,
-	'p':  true,
-	'q':  true,
-	'r':  true,
-	's':  true,
-	't':  true,
-	'u':  true,
-	'v':  true,
-	'w':  true,
-	'x':  true,
-	'y':  true,
-	'z':  true,
-	'|':  true,
-	'~':  true,
-}
-
-// skipSpace returns a slice of the string s with all leading RFC 2616 linear
-// whitespace removed.
-func skipSpace(s string) (rest string) {
-	i := 0
-	for ; i < len(s); i++ {
-		if b := s[i]; b != ' ' && b != '\t' {
-			break
-		}
-	}
-	return s[i:]
-}
-
-// nextToken returns the leading RFC 2616 token of s and the string following
-// the token.
-func nextToken(s string) (token, rest string) {
-	i := 0
-	for ; i < len(s); i++ {
-		if !isTokenOctet[s[i]] {
-			break
-		}
-	}
-	return s[:i], s[i:]
-}
-
-// nextTokenOrQuoted returns the leading token or quoted string per RFC 2616
-// and the string following the token or quoted string.
-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 as
-// defined in RFC 4790.
-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
-}
-
-// isValidChallengeKey checks if the argument meets RFC6455 specification.
-func isValidChallengeKey(s string) bool {
-	// From RFC6455:
-	//
-	// A |Sec-WebSocket-Key| header field with a base64-encoded (see
-	// Section 4 of [RFC4648]) value that, when decoded, is 16 bytes in
-	// length.
-
-	if s == "" {
-		return false
-	}
-	decoded, err := base64.StdEncoding.DecodeString(s)
-	return err == nil && len(decoded) == 16
-}