old_contents: # -*- encoding: utf-8 -*-
  #
  # Copyright © 2012 New Dream Network, LLC (DreamHost)
  #
  # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  """Access Control Lists (ACL's) control access the API server."""
  
  from ironic.api.middleware import auth_token
  
  
  def install(app, conf, public_routes):
      """Install ACL check on application.
  
      :param app: A WSGI applicatin.
      :param conf: Settings. Dict'ified and passed to keystonemiddleware
      :param public_routes: The list of the routes which will be allowed to
                            access without authentication.
      :return: The same WSGI application with ACL installed.
  
      """
      return auth_token.AuthTokenMiddleware(app,
                                            conf=dict(conf),
                                            public_api_routes=public_routes)
  
new_contents: # -*- encoding: utf-8 -*-
  #
  # Copyright © 2012 New Dream Network, LLC (DreamHost)
  #
  # Licensed under the Apache License, Version 2.0 (the "License"); you may
  # not use this file except in compliance with the License. You may obtain
  # a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  # License for the specific language governing permissions and limitations
  # under the License.
  
  """Access Control Lists (ACL's) control access the API server."""
  
  from ironic.api.middleware import auth_token
  
  
  def install(app, conf, public_routes):
      """Install ACL check on application.
  
      :param app: A WSGI application.
      :param conf: Settings. Dict'ified and passed to keystonemiddleware
      :param public_routes: The list of the routes which will be allowed to
                            access without authentication.
      :return: The same WSGI application with ACL installed.
  
      """
      return auth_token.AuthTokenMiddleware(app,
                                            conf=dict(conf),
                                            public_api_routes=public_routes)
  
subject: Fix misspelling from "applicatin" to "application".