#!/usr/bin/env python

#  pyftpdlib is released under the MIT license, reproduced below:
#  ======================================================================
#  Copyright (C) 2007-2014 Giampaolo Rodola' <g.rodola@gmail.com>
#
#                         All Rights Reserved
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
#  ======================================================================

"""A ftpd using local Windows NT account database to authenticate users
(users must already exist).

It also provides a mechanism to (temporarily) impersonate the system
users every time they are going to perform filesystem operations.
"""

from pyftpdlib.handlers import FTPHandler
from pyftpdlib.servers import FTPServer
from pyftpdlib.authorizers import WindowsAuthorizer


def main():
    authorizer = WindowsAuthorizer()
    # Use Guest user with empty password to handle anonymous sessions.
    # Guest user must be enabled first, empty password set and profile
    # directory specified.
    # authorizer = WindowsAuthorizer(anonymous_user="Guest",
    #                                anonymous_password="")
    handler = FTPHandler
    handler.authorizer = authorizer
    ftpd = FTPServer(('', 21), handler)
    ftpd.serve_forever()

if __name__ == "__main__":
    main()
