# -*- coding: utf-8 -*-

# Copyright (C) 2014-2018  Red Hat, Inc.

#

# This copyrighted material is made available to anyone wishing to use,

# modify, copy, or redistribute it subject to the terms and conditions of

# the GNU General Public License v.2, or (at your option) any later version.

# This program is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY expressed or implied, including the implied warranties 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.  Any Red Hat trademarks that are incorporated in the

# source code or documentation are not subject to the GNU General Public

# License and may only be used or replicated with the express permission of

# Red Hat, Inc.

#

from __future__ import absolute_import

from __future__ import unicode_literals

import os

import tempfile

import dnf.crypto

import dnf.util

import dnf.yum.misc

import tests.support

FINGERPRINT = '0BE49FAF9C955F4F1A98D14B24362A8492530C8E'

KEYFILE = tests.support.resource_path('keys/key.pub')

KEYFILE_URL = 'file://%s' % KEYFILE

class CryptoTest(tests.support.TestCase):

    PUBRING_DIR = None

    @classmethod

    def setUpClass(cls):

        cls.PUBRING_DIR = tempfile.mkdtemp()

        with open(KEYFILE, 'rb') as keyfile:

            keyinfo = dnf.crypto.rawkey2infos(keyfile)[0]

        dnf.yum.misc.import_key_to_pubring(

            keyinfo.raw_key, keyinfo.short_id, gpgdir=cls.PUBRING_DIR,

            make_ro_copy=False)

    @classmethod

    def tearDownClass(cls):

        dnf.util.rm_rf(cls.PUBRING_DIR)

    def test_keyids_from_pubring(self):

        ids = dnf.crypto.keyids_from_pubring(self.PUBRING_DIR)

        self.assertIn('24362A8492530C8E', ids)

    def test_printable_fingerprint(self):

        self.assertEqual(dnf.crypto._printable_fingerprint(FINGERPRINT),

                         '0BE4 9FAF 9C95 5F4F 1A98 D14B 2436 2A84 9253 0C8E')

    def test_pubring_dir(self):

        self.assertNotEqual(os.environ.get('GNUPGHOME'), self.PUBRING_DIR)

        with dnf.crypto.pubring_dir(self.PUBRING_DIR):

            self.assertEqual(os.environ['GNUPGHOME'], self.PUBRING_DIR)

    def test_rawkey2infos(self):

        with open(KEYFILE, 'rb') as keyfile:

            info = dnf.crypto.rawkey2infos(keyfile)[0]

        self.assertEqual(info.fingerprint, FINGERPRINT)

        self.assertEqual(info.short_id, '92530C8E')

        self.assertEqual(info.rpm_id, '92530c8e')

        self.assertIn(b'Frmy6HXUL\n', info.raw_key)

        self.assertEqual(info.timestamp, 1408534646)

        self.assertEqual(info.userid, 'Dandy Fied <dnf@example.com>')

    def test_retrieve(self):

        keyinfos = dnf.crypto.retrieve(KEYFILE_URL)

        self.assertLength(keyinfos, 1)

        keyinfo = keyinfos[0]

        self.assertEqual(keyinfo.url, KEYFILE_URL)