old_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  # Hive Netius System
  # Copyright (c) 2008-2016 Hive Solutions Lda.
  #
  # This file is part of Hive Netius System.
  #
  # Hive Netius System is free software: you can redistribute it and/or modify
  # it under the terms of the Apache License as published by the Apache
  # Foundation, either version 2.0 of the License, or (at your option) any
  # later version.
  #
  # Hive Netius System is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  # Apache License for more details.
  #
  # You should have received a copy of the Apache License along with
  # Hive Netius System. If not, see <http://www.apache.org/licenses/>.
  
  __author__ = "João Magalhães <joamag@hive.pt>"
  """ The author(s) of the module """
  
  __version__ = "1.0.0"
  """ The version of the module """
  
  __revision__ = "$LastChangedRevision$"
  """ The revision number of the module """
  
  __date__ = "$LastChangedDate$"
  """ The last change date of the module """
  
  __copyright__ = "Copyright (c) 2008-2016 Hive Solutions Lda."
  """ The copyright for the module """
  
  __license__ = "Apache License, Version 2.0"
  """ The license for the module """
  
  from . import base
  
  class AddressAuth(base.Auth):
  
      def __init__(self, allowed = [], *args, **kwargs):
          base.Auth.__init__(self, *args, **kwargs)
          self.allowed = allowed
  
      @classmethod
      def auth(cls, allowed = [], *args, **kwargs):
          import netius.common
          address = kwargs.get("address", None)
          if not address: return False
          address = address[0]
          return netius.common.assert_ip4(
              address,
              allowed,
              default = False
          )
  
      @classmethod
      def is_simple(cls):
          return True
  
      def auth_i(self, *args, **kwargs):
          return self.__class__.auth(
              allowed = self.allowed,
              *args,
              **kwargs
          )
  
new_contents: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  # Hive Netius System
  # Copyright (c) 2008-2016 Hive Solutions Lda.
  #
  # This file is part of Hive Netius System.
  #
  # Hive Netius System is free software: you can redistribute it and/or modify
  # it under the terms of the Apache License as published by the Apache
  # Foundation, either version 2.0 of the License, or (at your option) any
  # later version.
  #
  # Hive Netius System is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  # Apache License for more details.
  #
  # You should have received a copy of the Apache License along with
  # Hive Netius System. If not, see <http://www.apache.org/licenses/>.
  
  __author__ = "João Magalhães <joamag@hive.pt>"
  """ The author(s) of the module """
  
  __version__ = "1.0.0"
  """ The version of the module """
  
  __revision__ = "$LastChangedRevision$"
  """ The revision number of the module """
  
  __date__ = "$LastChangedDate$"
  """ The last change date of the module """
  
  __copyright__ = "Copyright (c) 2008-2016 Hive Solutions Lda."
  """ The copyright for the module """
  
  __license__ = "Apache License, Version 2.0"
  """ The license for the module """
  
  from . import base
  
  class AddressAuth(base.Auth):
  
      def __init__(self, allowed = [], *args, **kwargs):
          base.Auth.__init__(self, *args, **kwargs)
          self.allowed = allowed
  
      @classmethod
      def auth(cls, allowed = [], *args, **kwargs):
          import netius.common
          host = kwargs.get("host", None)
          headers = kwargs.get("headers", {})
          if not host and not headers: return False
          address = headers.get("X-Forwarded-For", host)
          return netius.common.assert_ip4(
              address,
              allowed,
              default = False
          )
  
      @classmethod
      def is_simple(cls):
          return True
  
      def auth_i(self, *args, **kwargs):
          return self.__class__.auth(
              allowed = self.allowed,
              *args,
              **kwargs
          )
  
subject: support fo x forwarded for in address validation