Update vendor, move to labstack/echo/v4 Fixes #698

1 files changed, 0 insertions, 122 deletions

diff --git a/vendor/github.com/labstack/echo/middleware/compress.go b/vendor/github.com/labstack/echo/middleware/compress.go
deleted file mode 100644
index b876009c..00000000
--- a/vendor/github.com/labstack/echo/middleware/compress.go
+++ /dev/null
@@ -1,122 +0,0 @@
-package middleware
-
-import (
-	"bufio"
-	"compress/gzip"
-	"io"
-	"io/ioutil"
-	"net"
-	"net/http"
-	"strings"
-
-	"github.com/labstack/echo"
-)
-
-type (
-	// GzipConfig defines the config for Gzip middleware.
-	GzipConfig struct {
-		// Skipper defines a function to skip middleware.
-		Skipper Skipper
-
-		// Gzip compression level.
-		// Optional. Default value -1.
-		Level int `yaml:"level"`
-	}
-
-	gzipResponseWriter struct {
-		io.Writer
-		http.ResponseWriter
-	}
-)
-
-const (
-	gzipScheme = "gzip"
-)
-
-var (
-	// DefaultGzipConfig is the default Gzip middleware config.
-	DefaultGzipConfig = GzipConfig{
-		Skipper: DefaultSkipper,
-		Level:   -1,
-	}
-)
-
-// Gzip returns a middleware which compresses HTTP response using gzip compression
-// scheme.
-func Gzip() echo.MiddlewareFunc {
-	return GzipWithConfig(DefaultGzipConfig)
-}
-
-// GzipWithConfig return Gzip middleware with config.
-// See: `Gzip()`.
-func GzipWithConfig(config GzipConfig) echo.MiddlewareFunc {
-	// Defaults
-	if config.Skipper == nil {
-		config.Skipper = DefaultGzipConfig.Skipper
-	}
-	if config.Level == 0 {
-		config.Level = DefaultGzipConfig.Level
-	}
-
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(c echo.Context) error {
-			if config.Skipper(c) {
-				return next(c)
-			}
-
-			res := c.Response()
-			res.Header().Add(echo.HeaderVary, echo.HeaderAcceptEncoding)
-			if strings.Contains(c.Request().Header.Get(echo.HeaderAcceptEncoding), gzipScheme) {
-				res.Header().Set(echo.HeaderContentEncoding, gzipScheme) // Issue #806
-				rw := res.Writer
-				w, err := gzip.NewWriterLevel(rw, config.Level)
-				if err != nil {
-					return err
-				}
-				defer func() {
-					if res.Size == 0 {
-						if res.Header().Get(echo.HeaderContentEncoding) == gzipScheme {
-							res.Header().Del(echo.HeaderContentEncoding)
-						}
-						// We have to reset response to it's pristine state when
-						// nothing is written to body or error is returned.
-						// See issue #424, #407.
-						res.Writer = rw
-						w.Reset(ioutil.Discard)
-					}
-					w.Close()
-				}()
-				grw := &gzipResponseWriter{Writer: w, ResponseWriter: rw}
-				res.Writer = grw
-			}
-			return next(c)
-		}
-	}
-}
-
-func (w *gzipResponseWriter) WriteHeader(code int) {
-	if code == http.StatusNoContent { // Issue #489
-		w.ResponseWriter.Header().Del(echo.HeaderContentEncoding)
-	}
-	w.Header().Del(echo.HeaderContentLength) // Issue #444
-	w.ResponseWriter.WriteHeader(code)
-}
-
-func (w *gzipResponseWriter) Write(b []byte) (int, error) {
-	if w.Header().Get(echo.HeaderContentType) == "" {
-		w.Header().Set(echo.HeaderContentType, http.DetectContentType(b))
-	}
-	return w.Writer.Write(b)
-}
-
-func (w *gzipResponseWriter) Flush() {
-	w.Writer.(*gzip.Writer).Flush()
-}
-
-func (w *gzipResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	return w.ResponseWriter.(http.Hijacker).Hijack()
-}
-
-func (w *gzipResponseWriter) CloseNotify() <-chan bool {
-	return w.ResponseWriter.(http.CloseNotifier).CloseNotify()
-}