# Determine if a system is in 'fips' mode
#
# This file is part of Ansible
#
# Ansible 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, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import (absolute_import, division, print_function)
__metaclass__ = type

import ansible.module_utils.compat.typing as t

from ansible.module_utils.facts.utils import get_file_content

from ansible.module_utils.facts.collector import BaseFactCollector


class FipsFactCollector(BaseFactCollector):
    name = 'fips'
    _fact_ids = set()  # type: t.Set[str]

    def collect(self, module=None, collected_facts=None):
        # NOTE: this is populated even if it is not set
        fips_facts = {}
        fips_facts['fips'] = False
        data = get_file_content('/proc/sys/crypto/fips_enabled')
        if data and data == '1':
            fips_facts['fips'] = True
        return fips_facts