API: directory-list: handle empty input case and improve error responses

server/util/fileUtil.ts

@@ -50,42 +50,6 @@ export const sanitizePath = (input?: string): string => {
 
   // eslint-disable-next-line no-control-regex
   const controlRe = /[\x00-\x1f\x80-\x9f]/g;
-  return path.resolve(input).replace(controlRe, '');
-};
-
-export const getDirectoryList = async (inputPath: string) => {
-  if (typeof inputPath !== 'string') {
-    throw fileNotFoundError();
-  }
-
-  const sourcePath = inputPath.replace(/^~/, homedir());
-
-  const resolvedPath = sanitizePath(sourcePath);
-  if (!isAllowedPath(resolvedPath)) {
-    throw accessDeniedError();
-  }
-
-  const directories: Array<string> = [];
-  const files: Array<string> = [];
-
-  fs.readdirSync(resolvedPath).forEach((item) => {
-    const joinedPath = path.join(resolvedPath, item);
-    if (fs.existsSync(joinedPath)) {
-      if (fs.statSync(joinedPath).isDirectory()) {
-        directories.push(item);
-      } else {
-        files.push(item);
-      }
-    }
-  });
-
-  const hasParent = /^.{0,}:?(\/|\\){1,1}\S{1,}/.test(resolvedPath);
-
-  return {
-    directories,
-    files,
-    hasParent,
-    path: resolvedPath,
-    separator: path.sep,
-  };
+
+  return path.resolve(input.replace(/^~/, homedir()).replace(controlRe, ''));
 };