fix: align CHFS API response compatibility

chfs-ng/internal/api/server.go

@@ -45,6 +45,7 @@ type fileInfo struct {
 	Mask      string `json:"mask"`
 	GuestMask string `json:"guestMask"`
 	HasSubDir bool   `json:"hasSubDir"`
+	Icon      string `json:"icon"`
 }
 
 func (s *Server) Handler() http.Handler {
@@ -104,7 +105,7 @@ func clientIPString(r *http.Request) string {
 }
 
 func writeJSON(w http.ResponseWriter, v any) {
-	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.Header().Set("Content-Type", "application/json")
 	json.NewEncoder(w).Encode(v)
 }
 
@@ -128,6 +129,33 @@ func permString(p auth.PermMask) string {
 	}
 	return ""
 }
+func iconFor(fi os.FileInfo) string {
+	if fi.IsDir() {
+		return "asset/icons/folder.svg"
+	}
+	ext := strings.ToLower(filepath.Ext(fi.Name()))
+	switch ext {
+	case ".txt", ".md", ".log", ".json", ".xml", ".yaml", ".yml", ".ini", ".conf", ".cfg":
+		return "asset/icons/txt.svg"
+	case ".jpg", ".jpeg", ".png", ".gif", ".webp", ".bmp", ".svg":
+		return "asset/icons/image.svg"
+	case ".mp3", ".wav", ".flac", ".aac", ".m4a", ".ogg":
+		return "asset/icons/audio.svg"
+	case ".mp4", ".mkv", ".avi", ".mov", ".webm":
+		return "asset/icons/video.svg"
+	case ".zip", ".rar", ".7z", ".tar", ".gz":
+		return "asset/icons/archive.svg"
+	case ".pdf":
+		return "asset/icons/pdf.svg"
+	default:
+		return "asset/icons/unknown.svg"
+	}
+}
+
+func originalTime(t time.Time) string { return t.Format("2006-01-02 15:04:05") }
+
+func writeCreated(w http.ResponseWriter) { w.WriteHeader(http.StatusCreated) }
+
 func (s *Server) files(w http.ResponseWriter, r *http.Request) {
 	a := account(r, s)
 	p := qpath(r)
@@ -150,7 +178,7 @@ func (s *Server) files(w http.ResponseWriter, r *http.Request) {
 				sub = len(xs) > 0
 			}
 		}
-		out = append(out, fileInfo{Name: fi.Name(), Path: fp, Size: fi.Size(), Modified: fi.ModTime().Format(time.RFC3339), Dir: fi.IsDir(), Mask: permString(a.MaskFor(fp)), GuestMask: permString(s.Auth.Guest.MaskFor(fp)), HasSubDir: sub})
+		out = append(out, fileInfo{Name: fi.Name(), Path: fp, Size: fi.Size(), Modified: originalTime(fi.ModTime()), Dir: fi.IsDir(), Mask: permString(a.MaskFor(fp)), GuestMask: permString(s.Auth.Guest.MaskFor(fp)), HasSubDir: sub, Icon: iconFor(fi)})
 	}
 	virtual := p == "" && s.MultiRoot
 	writeJSON(w, map[string]any{"files": out, "currentMask": permString(m), "virtualRoot": virtual})
@@ -182,7 +210,7 @@ func (s *Server) newdir(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	s.logOp(r, fmt.Sprintf("created directory '%s'", p))
-	writeJSON(w, map[string]any{"ok": true})
+	writeCreated(w)
 }
 func (s *Server) rename(w http.ResponseWriter, r *http.Request) {
 	a := account(r, s)
@@ -197,7 +225,7 @@ func (s *Server) rename(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	s.logOp(r, fmt.Sprintf("renamed '%s' to '%s'", old, neu))
-	writeJSON(w, map[string]any{"ok": true})
+	writeCreated(w)
 }
 func (s *Server) remove(w http.ResponseWriter, r *http.Request) {
 	a := account(r, s)
@@ -219,7 +247,7 @@ func (s *Server) remove(w http.ResponseWriter, r *http.Request) {
 		}
 		s.logOp(r, fmt.Sprintf("removed '%s'", strings.Trim(p, "/")))
 	}
-	writeJSON(w, map[string]any{"ok": true})
+	w.WriteHeader(http.StatusNoContent)
 }
 func (s *Server) removePath(p string) error {
 	mode := s.RemoveMode
@@ -249,8 +277,13 @@ func (s *Server) removePath(p string) error {
 func (s *Server) exist(w http.ResponseWriter, r *http.Request) {
 	p := strings.Trim(strings.ReplaceAll(r.URL.Query().Get("file"), "\\", "/"), "/")
 	_, e := s.Store.Stat(p)
-	writeJSON(w, map[string]any{"exist": e == nil})
+	if e != nil {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+	w.WriteHeader(http.StatusCreated)
 }
+
 func (s *Server) session(w http.ResponseWriter, r *http.Request) {
 	if r.Method == http.MethodDelete {
 		jwtValue, _ := r.Cookie("JWT")
@@ -317,7 +350,7 @@ func (s *Server) newtext(w http.ResponseWriter, r *http.Request) {
 	defer f.Close()
 	io.WriteString(f, r.FormValue("text"))
 	s.logOp(r, fmt.Sprintf("create a text file:'%s'", p))
-	writeJSON(w, map[string]any{"ok": true})
+	writeCreated(w)
 }
 func (s *Server) updatetext(w http.ResponseWriter, r *http.Request) {
 	a := account(r, s)
@@ -339,7 +372,7 @@ func (s *Server) updatetext(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	s.logOp(r, fmt.Sprintf("update text file:'%s'", p))
-	writeJSON(w, map[string]any{"ok": true})
+	writeCreated(w)
 }
 func (s *Server) upload(w http.ResponseWriter, r *http.Request) {
 	if e := r.ParseMultipartForm(64 << 20); e != nil {
@@ -370,8 +403,7 @@ func (s *Server) upload(w http.ResponseWriter, r *http.Request) {
 	for _, name := range saved {
 		s.logOp(r, fmt.Sprintf("uploaded '%s'", filepath.Base(name)))
 	}
-	w.WriteHeader(http.StatusCreated)
+	writeCreated(w)
-	writeJSON(w, map[string]any{"ok": true, "files": saved})
 }
 func savePart(st storage.Storage, target string, h *multipart.FileHeader) error {
 	in, e := h.Open()
@@ -415,21 +447,17 @@ func (s *Server) upload2(w http.ResponseWriter, r *http.Request) {
 			saved = append(saved, path.Join(dir, name))
 		}
 	}
-	w.WriteHeader(http.StatusCreated)
+	writeCreated(w)
-	writeJSON(w, map[string]any{"ok": true, "files": saved})
 }
 
 func (s *Server) search(w http.ResponseWriter, r *http.Request) {
 	a := account(r, s)
-	if !a.MaskFor("").HasRead() {
+	rootMask := a.MaskFor("")
+	if !rootMask.HasRead() {
 		http.Error(w, "forbidden", 403)
 		return
 	}
 	needle := strings.ToLower(strings.TrimSpace(r.URL.Query().Get("str")))
-	if needle == "" {
-		writeJSON(w, map[string]any{"files": []fileInfo{}})
-		return
-	}
 	var out []fileInfo
 	var walk func(string) error
 	walk = func(dir string) error {
@@ -442,8 +470,8 @@ func (s *Server) search(w http.ResponseWriter, r *http.Request) {
 			if !a.MaskFor(p).HasRead() {
 				continue
 			}
-			if strings.Contains(strings.ToLower(fi.Name()), needle) {
+			if needle == "" || strings.Contains(strings.ToLower(fi.Name()), needle) {
-				out = append(out, fileInfo{Name: fi.Name(), Path: p, Size: fi.Size(), Modified: fi.ModTime().Format(time.RFC3339), Dir: fi.IsDir(), Mask: permString(a.MaskFor(p)), GuestMask: permString(s.Auth.Guest.MaskFor(p))})
+				out = append(out, fileInfo{Name: fi.Name(), Path: "/" + strings.Trim(p, "/"), Size: fi.Size(), Modified: originalTime(fi.ModTime()), Dir: fi.IsDir(), Mask: permString(a.MaskFor(p)), GuestMask: permString(s.Auth.Guest.MaskFor(p)), HasSubDir: false, Icon: iconFor(fi)})
 			}
 			if fi.IsDir() {
 				if err := walk(p); err != nil {
@@ -457,8 +485,9 @@ func (s *Server) search(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	writeJSON(w, map[string]any{"files": out})
+	writeJSON(w, map[string]any{"virtualRoot": 0, "currentMask": permString(rootMask), "files": out})
 }
+
 func (s *Server) shared(w http.ResponseWriter, r *http.Request) {
 	file := strings.Trim(r.URL.Query().Get("file"), "/")
 	if file == "" {