bug fixes

pkg/plugin/implementation/router/router.go

@@ -115,6 +115,7 @@ func (r *Router) loadRules(configPath string) error {
 				if err != nil {
 					return fmt.Errorf("invalid URL in rule: %w", err)
 				}
+				parsedURL.Path = joinPath(parsedURL, endpoint)
 				route = &model.Route{
 					TargetType: rule.TargetType,
 					URL:        parsedURL,
@@ -126,6 +127,7 @@ func (r *Router) loadRules(configPath string) error {
 					if err != nil {
 						return fmt.Errorf("invalid URL in rule: %w", err)
 					}
+					parsedURL.Path = joinPath(parsedURL, endpoint)
 				}
 				route = &model.Route{
 					TargetType: rule.TargetType,
@@ -227,24 +229,23 @@ func handleProtocolMapping(route *model.Route, npURI, endpoint string) (*model.R
 		}
 		return &model.Route{
 			TargetType: targetTypeURL,
-			URL: &url.URL{
-				Scheme: route.URL.Scheme,
-				Host:   route.URL.Host,
-				Path:   path.Join(route.URL.Path, endpoint),
-			},
+			URL:        route.URL,
 		}, nil
 	}
 	targetURL, err := url.Parse(target)
 	if err != nil {
 		return nil, fmt.Errorf("invalid %s URI - %s in request body for %s: %w", strings.ToUpper(route.TargetType), target, endpoint, err)
 	}
-
+	targetURL.Path = joinPath(targetURL, endpoint)
 	return &model.Route{
 		TargetType: targetTypeURL,
-		URL: &url.URL{
-			Scheme: targetURL.Scheme,
-			Host:   targetURL.Host,
-			Path:   path.Join(targetURL.Path, endpoint),
-		},
+		URL:        targetURL,
 	}, nil
 }
+
+func joinPath(u *url.URL, endpoint string) string {
+	if u.Path == "" {
+		u.Path = "/"
+	}
+	return path.Join(u.Path, endpoint)
+}