Dynamic Configuration Refactoring

middlewares/headers.go

@@ -1,71 +0,0 @@
-package middlewares
-
-// Middleware based on https://github.com/unrolled/secure
-
-import (
-	"net/http"
-
-	"github.com/containous/traefik/types"
-)
-
-// HeaderOptions is a struct for specifying configuration options for the headers middleware.
-type HeaderOptions struct {
-	// If Custom request headers are set, these will be added to the request
-	CustomRequestHeaders map[string]string
-	// If Custom response headers are set, these will be added to the ResponseWriter
-	CustomResponseHeaders map[string]string
-}
-
-// HeaderStruct is a middleware that helps setup a few basic security features. A single headerOptions struct can be
-// provided to configure which features should be enabled, and the ability to override a few of the default values.
-type HeaderStruct struct {
-	// Customize headers with a headerOptions struct.
-	opt HeaderOptions
-}
-
-// NewHeaderFromStruct constructs a new header instance from supplied frontend header struct.
-func NewHeaderFromStruct(headers *types.Headers) *HeaderStruct {
-	if headers == nil || !headers.HasCustomHeadersDefined() {
-		return nil
-	}
-
-	return &HeaderStruct{
-		opt: HeaderOptions{
-			CustomRequestHeaders:  headers.CustomRequestHeaders,
-			CustomResponseHeaders: headers.CustomResponseHeaders,
-		},
-	}
-}
-
-func (s *HeaderStruct) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
-	s.ModifyRequestHeaders(r)
-	// If there is a next, call it.
-	if next != nil {
-		next(w, r)
-	}
-}
-
-// ModifyRequestHeaders set or delete request headers
-func (s *HeaderStruct) ModifyRequestHeaders(r *http.Request) {
-	// Loop through Custom request headers
-	for header, value := range s.opt.CustomRequestHeaders {
-		if value == "" {
-			r.Header.Del(header)
-		} else {
-			r.Header.Set(header, value)
-		}
-	}
-}
-
-// ModifyResponseHeaders set or delete response headers
-func (s *HeaderStruct) ModifyResponseHeaders(res *http.Response) error {
-	// Loop through Custom response headers
-	for header, value := range s.opt.CustomResponseHeaders {
-		if value == "" {
-			res.Header.Del(header)
-		} else {
-			res.Header.Set(header, value)
-		}
-	}
-	return nil
-}