old_contents: from flask.ext.login import current_user
  
  
  def create(app=None):
      return not current_user.is_anonymous()
  
  
  def read(app=None):
      if app is None:
          return True
      elif app.hidden:
          if current_user.is_authenticated():
              if current_user.admin:
                  return True
              else:
                  return False
              if current_user.id == app.owner.id:
                  return True
              else:
                  return False
          else:
              return False
      else:
          return True
  
  
  def update(app):
      if not current_user.is_anonymous() and (app.owner_id == current_user.id
                                              or current_user.admin is True):
          return True
      else:
          return False
  
  
  def delete(app):
      return update(app)
  
new_contents: from flask.ext.login import current_user
  
  
  def create(app=None):
      return not current_user.is_anonymous()
  
  
  def read(app=None):
      if app is None:
          return True
      elif app.hidden:
          if current_user.is_authenticated():
              if current_user.admin:
                  return True
              elif current_user.id == app.owner.id:
                  return True
              else:
                  return False
          else:
              return False
      else:
          return True
  
  
  def update(app):
      if not current_user.is_anonymous() and (app.owner_id == current_user.id
                                              or current_user.admin is True):
          return True
      else:
          return False
  
  
  def delete(app):
      return update(app)
  
subject: Fix an error in app.auth.read permissions