Dynamic Configuration Refactoring

middlewares/stripPrefix.go

@@ -1,56 +0,0 @@
-package middlewares
-
-import (
-	"context"
-	"net/http"
-	"strings"
-)
-
-const (
-	// StripPrefixKey is the key within the request context used to
-	// store the stripped prefix
-	StripPrefixKey key = "StripPrefix"
-	// ForwardedPrefixHeader is the default header to set prefix
-	ForwardedPrefixHeader = "X-Forwarded-Prefix"
-)
-
-// StripPrefix is a middleware used to strip prefix from an URL request
-type StripPrefix struct {
-	Handler  http.Handler
-	Prefixes []string
-}
-
-func (s *StripPrefix) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	for _, prefix := range s.Prefixes {
-		if strings.HasPrefix(r.URL.Path, prefix) {
-			rawReqPath := r.URL.Path
-			r.URL.Path = stripPrefix(r.URL.Path, prefix)
-			if r.URL.RawPath != "" {
-				r.URL.RawPath = stripPrefix(r.URL.RawPath, prefix)
-			}
-			s.serveRequest(w, r, strings.TrimSpace(prefix), rawReqPath)
-			return
-		}
-	}
-	http.NotFound(w, r)
-}
-
-func (s *StripPrefix) serveRequest(w http.ResponseWriter, r *http.Request, prefix string, rawReqPath string) {
-	r = r.WithContext(context.WithValue(r.Context(), StripPrefixKey, rawReqPath))
-	r.Header.Add(ForwardedPrefixHeader, prefix)
-	r.RequestURI = r.URL.RequestURI()
-	s.Handler.ServeHTTP(w, r)
-}
-
-// SetHandler sets handler
-func (s *StripPrefix) SetHandler(Handler http.Handler) {
-	s.Handler = Handler
-}
-
-func stripPrefix(s, prefix string) string {
-	return ensureLeadingSlash(strings.TrimPrefix(s, prefix))
-}
-
-func ensureLeadingSlash(str string) string {
-	return "/" + strings.TrimPrefix(str, "/")
-}