Move code to pkg

middlewares/addprefix/add_prefix.go

@@ -1,62 +0,0 @@
-package addprefix
-
-import (
-	"context"
-	"fmt"
-	"net/http"
-
-	"github.com/containous/traefik/config"
-	"github.com/containous/traefik/middlewares"
-	"github.com/containous/traefik/tracing"
-	"github.com/opentracing/opentracing-go/ext"
-)
-
-const (
-	typeName = "AddPrefix"
-)
-
-// AddPrefix is a middleware used to add prefix to an URL request.
-type addPrefix struct {
-	next   http.Handler
-	prefix string
-	name   string
-}
-
-// New creates a new handler.
-func New(ctx context.Context, next http.Handler, config config.AddPrefix, name string) (http.Handler, error) {
-	middlewares.GetLogger(ctx, name, typeName).Debug("Creating middleware")
-	var result *addPrefix
-
-	if len(config.Prefix) > 0 {
-		result = &addPrefix{
-			prefix: config.Prefix,
-			next:   next,
-			name:   name,
-		}
-	} else {
-		return nil, fmt.Errorf("prefix cannot be empty")
-	}
-
-	return result, nil
-}
-
-func (ap *addPrefix) GetTracingInformation() (string, ext.SpanKindEnum) {
-	return ap.name, tracing.SpanKindNoneEnum
-}
-
-func (ap *addPrefix) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
-	logger := middlewares.GetLogger(req.Context(), ap.name, typeName)
-
-	oldURLPath := req.URL.Path
-	req.URL.Path = ap.prefix + req.URL.Path
-	logger.Debugf("URL.Path is now %s (was %s).", req.URL.Path, oldURLPath)
-
-	if req.URL.RawPath != "" {
-		oldURLRawPath := req.URL.RawPath
-		req.URL.RawPath = ap.prefix + req.URL.RawPath
-		logger.Debugf("URL.RawPath is now %s (was %s).", req.URL.RawPath, oldURLRawPath)
-	}
-	req.RequestURI = req.URL.RequestURI()
-
-	ap.next.ServeHTTP(rw, req)
-}