fix(errmsg): export err to object consts

Author: jyxjjj

internal/errs/object.go

@@ -11,6 +11,7 @@ var (
 	ObjectAlreadyExists = errors.New("object already exists")
 	NotFolder           = errors.New("not a folder")
 	NotFile             = errors.New("not a file")
+	IgnoredSystemFile   = errors.New("system file upload ignored")
 )
 
 func IsObjectNotFound(err error) bool {

server/ftp/fsup.go

@@ -41,7 +41,7 @@ func uploadAuth(ctx context.Context, path string) error {
 	}
 	if !(common.CanAccess(user, meta, path, ctx.Value(conf.MetaPassKey).(string)) &&
 		((user.CanFTPManage() && user.CanWrite()) || common.CanWrite(meta, stdpath.Dir(path)))) {
-		return errs.PermissionDenied
+		return errs.IgnoredSystemFile
 	}
 	return nil
 }
@@ -54,7 +54,7 @@ func OpenUpload(ctx context.Context, path string, trunc bool) (*FileUploadProxy,
 	// Check if system file should be ignored
 	_, name := stdpath.Split(path)
 	if setting.GetBool(conf.IgnoreSystemFiles) && utils.IsSystemFile(name) {
-		return nil, errs.PermissionDenied
+		return nil, errs.IgnoredSystemFile
 	}
 	tmpFile, err := os.CreateTemp(conf.Conf.TempDir, "file-*")
 	if err != nil {

server/s3/backend.go

@@ -289,7 +289,7 @@ func (b *s3Backend) PutObject(
 	}
 	// Check if system file should be ignored
 	if setting.GetBool(conf.IgnoreSystemFiles) && utils.IsSystemFile(obj.Name) {
-		return result, errors.New("system file upload ignored")
+		return result, errs.IgnoredSystemFile
 	}
 	stream := &stream.FileStream{
 		Obj:      &obj,

server/webdav/webdav.go

@@ -361,7 +361,7 @@ func (h *Handler) handlePut(w http.ResponseWriter, r *http.Request) (status int,
 	}
 	// Check if system file should be ignored
 	if setting.GetBool(conf.IgnoreSystemFiles) && utils.IsSystemFile(obj.Name) {
-		return http.StatusForbidden, errors.New("system file upload ignored")
+		return http.StatusForbidden, errs.IgnoredSystemFile
 	}
 	fsStream := &stream.FileStream{
 		Obj:      &obj,