CFS FileSystem

cfs.js

FS.TempStore.Storage = new FS.Store.FileSystem("_tempstore", {
  internal :  true,
  path : '/mnt/data/tmp',
});

SpreadsheetFS = new FS.Collection("spreadsheets", {
  stores: [new FS.Store.FileSystem("spreadsheets", {path: "/app-storage/uploads"})],
  filter: {
      allow: {
        contentTypes: [
          'application/vnd.ms-excel',
          'application/msexcel',
          'application/x-msexcel',
          'application/x-ms-excel',
          'application/x-excel',
          'application/x-dos_ms_excel',
          'application/xls',
          'application/x-xls',
          'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
        ] 
      }
    }
});

SpreadsheetFS.allow({
  insert: function(userId, doc) {
    if (userId)
      return true;
    else
      return false;
  },
  update: function(userId, doc, fields, modifier) {   
    if (userId)
      return true;
    else
      return false;
  },
  remove: function(userId, doc) {
    return true;
  }
});