App-script-obtener-permisos-carpeta-y-archivos-contenidos-en-drive.gs

function showpermisssions() {

  var folder = DriveApp.getFolderById("IDCARPETA");

  var files = folder.getFiles();

    while (files.hasNext()) {

      // Print list of files inside the folder
      file = files.next().getId();
      var id = DriveApp.getFileById(file);
      try {
      // var folacc = folid.getSharingAccess();
      // var folperm = folid.getSharingPermission();
      var access     = id.getSharingAccess();
      var permission = id.getSharingPermission();
      var viewers    = file.getViewers();      
      var editors    = file.getEditors();


      // Logger.log(id);
    }
catch (e) {Logger.log(id); Logger.log(access);Logger.log(permission);};
      
    
       
    // Recursive call for any sub-folders
    
 
  }
}