#!/usr/bin/python3
#
# Univention Print Client
#  helper script: set printer server according to policy
#
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# Copyright 2004-2024 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
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# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
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import sys

import univention.config_registry
from univention.lib.policy_result import PolicyResultFailed, policy_result


configRegistry = univention.config_registry.ConfigRegistry()
configRegistry.load()

if configRegistry.is_true('cups/printserver', False):
    # This host is a printserver. We don't overwrite the UCR variable for the printserver,
    # because in most instances this makes no sense. Bug #10124
    sys.exit(0)

ldap_hostdn = configRegistry.get('ldap/hostdn')
if ldap_hostdn:
    try:
        result, policies = policy_result(ldap_hostdn)
    except PolicyResultFailed as exc:
        print(exc, file=sys.stderr)
        sys.exit(exc.returncode)

    new_print_server = result.get('univentionPrintServer', [''])[0]
    cups_server = configRegistry.get('cups/server')
    if not cups_server or new_print_server != cups_server:
        univention.config_registry.handler_set(['cups/server=%s' % new_print_server])
