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# Xandikos
# Copyright (C) 2016-2017 Jelmer Vernooń≥ <jelmer@jelmer.uk>, et al.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3
# of the License or (at your option) any later version of
# the License.
#
# This program 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.

"""WSGI wrapper for xandikos.
"""

import logging
import os

from xandikos.web import XandikosBackend, XandikosApp

backend = XandikosBackend(path=os.environ['XANDIKOSPATH'])
if not os.path.isdir(backend.path):
    if os.getenv('AUTOCREATE'):
        os.makedirs(os.environ['XANDIKOSPATH'])
    else:
        logging.warning('%r does not exist.', backend.path)

current_user_principal = os.environ.get('CURRENT_USER_PRINCIPAL', '/user/')
if not backend.get_resource(current_user_principal):
    if os.getenv('AUTOCREATE'):
        backend.create_principal(
            current_user_principal,
            create_defaults=os.environ['AUTOCREATE'] == 'defaults')
    else:
        logging.warning(
            'default user principal \'%s\' does not exist. Create directory %s'
            ' or set AUTOCREATE variable?',
            current_user_principal, backend._map_to_file_path(
                current_user_principal))

backend._mark_as_principal(current_user_principal)
app = XandikosApp(backend, current_user_principal)