fix: align direct file serving with CHFS routes

chfs-ng/internal/api/server.go

@@ -564,6 +564,10 @@ func (s *Server) shared(w http.ResponseWriter, r *http.Request) {
 		_, _ = io.WriteString(w, "</pre>\n")
 		return
 	}
+	if r.Method != http.MethodGet {
+		http.NotFound(w, r)
+		return
+	}
 	f, err := s.Store.Open(p)
 	if err != nil {
 		http.NotFound(w, r)
@@ -611,20 +615,7 @@ func (s *Server) preview(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *Server) fileHandler(w http.ResponseWriter, r *http.Request) {
-	if r.URL.Path == "/" || strings.HasPrefix(r.URL.Path, "/asset/") {
+	http.NotFound(w, r)
-		http.NotFound(w, r)
-		return
-	}
-	if strings.HasPrefix(r.URL.Path, "/chfs/") || r.URL.Path == "/webdav" {
-		http.NotFound(w, r)
-		return
-	}
-	p := strings.Trim(strings.ReplaceAll(r.URL.Path, "\\", "/"), "/")
-	if p == "" {
-		http.NotFound(w, r)
-		return
-	}
-	s.serveFile(w, r, p, false)
 }
 
 func (s *Server) serveFile(w http.ResponseWriter, r *http.Request, p string, attachment bool) {