✏️ Editing: common_test.py Read Only

"""Tests for certbot.plugins.common."""
import functools
import shutil
import sys
import unittest
from unittest import mock

import josepy as jose
import pytest

from acme import challenges
from acme import messages
from certbot import achallenges
from certbot import crypto_util
from certbot import errors
from certbot.compat import filesystem
from certbot.compat import os
from certbot.tests import acme_util
from certbot.tests import util as test_util

AUTH_KEY = jose.JWKRSA.load(test_util.load_vector("rsa512_key.pem"))
ACHALL = achallenges.KeyAuthorizationAnnotatedChallenge(
            challb=acme_util.chall_to_challb(challenges.HTTP01(token=b'token1'),
                                             messages.STATUS_PENDING),
            domain="encryption-example.demo", account_key=AUTH_KEY)

class NamespaceFunctionsTest(unittest.TestCase):
    """Tests for certbot.plugins.common.*_namespace functions."""

def test_option_namespace(self):
        from certbot.plugins.common import option_namespace
        assert "foo-" == option_namespace("foo")

def test_dest_namespace(self):
        from certbot.plugins.common import dest_namespace
        assert "foo_" == dest_namespace("foo")

def test_dest_namespace_with_dashes(self):
        from certbot.plugins.common import dest_namespace
        assert "foo_bar_" == dest_namespace("foo-bar")

class PluginTest(unittest.TestCase):
    """Test for certbot.plugins.common.Plugin."""

def setUp(self):
        from certbot.plugins.common import Plugin

class MockPlugin(Plugin):  # pylint: disable=missing-docstring
            def prepare(self) -> None:
                pass

def more_info(self) -> str:
                return "info"

@classmethod
            def add_parser_arguments(cls, add):
                add("foo-bar", dest="different_to_foo_bar", x=1, y=None)

self.plugin_cls = MockPlugin
        self.config = mock.MagicMock()
        self.plugin = MockPlugin(config=self.config, name="mock")

def test_init(self):
        assert "mock" == self.plugin.name
        assert self.config == self.plugin.config

def test_option_namespace(self):
        assert "mock-" == self.plugin.option_namespace

def test_option_name(self):
        assert "mock-foo_bar" == self.plugin.option_name("foo_bar")

def test_dest_namespace(self):
        assert "mock_" == self.plugin.dest_namespace

def test_dest(self):
        assert "mock_foo_bar" == self.plugin.dest("foo-bar")
        assert "mock_foo_bar" == self.plugin.dest("foo_bar")

def test_conf(self):
        assert self.config.mock_foo_bar == self.plugin.conf("foo-bar")

def test_inject_parser_options(self):
        parser = mock.MagicMock()
        self.plugin_cls.inject_parser_options(parser, "mock")
        # note that inject_parser_options doesn't check if dest has
        # correct prefix
        parser.add_argument.assert_called_once_with(
            "--mock-foo-bar", dest="different_to_foo_bar", x=1, y=None)

def test_fallback_auth_hint(self):
        assert "the mock plugin completed the required dns-01 challenges" in \
                      self.plugin.auth_hint([acme_util.DNS01_A, acme_util.DNS01_A])
        assert "the mock plugin completed the required dns-01 and http-01 challenges" in \
                      self.plugin.auth_hint([acme_util.DNS01_A, acme_util.HTTP01_A,
                                             acme_util.DNS01_A])

class InstallerTest(test_util.ConfigTestCase):
    """Tests for certbot.plugins.common.Installer."""

def setUp(self):
        super().setUp()
        filesystem.mkdir(self.config.config_dir)
        from certbot.tests.util import DummyInstaller

self.installer = DummyInstaller(config=self.config,
                                   name="Installer")
        self.reverter = self.installer.reverter

def test_add_to_real_checkpoint(self):
        files = {"foo.bar", "baz.qux",}
        save_notes = "foo bar baz qux"
        self._test_wrapped_method("add_to_checkpoint", files, save_notes)

def test_add_to_real_checkpoint2(self):
        self._test_add_to_checkpoint_common(False)

def test_add_to_temporary_checkpoint(self):
        self._test_add_to_checkpoint_common(True)

def _test_add_to_checkpoint_common(self, temporary):
        files = {"foo.bar", "baz.qux",}
        save_notes = "foo bar baz qux"

installer_func = functools.partial(self.installer.add_to_checkpoint,
                                           temporary=temporary)

if temporary:
            reverter_func_name = "add_to_temp_checkpoint"
        else:
            reverter_func_name = "add_to_checkpoint"

self._test_adapted_method(installer_func, reverter_func_name, files, save_notes)

def test_finalize_checkpoint(self):
        self._test_wrapped_method("finalize_checkpoint", "foo")

def test_recovery_routine(self):
        self._test_wrapped_method("recovery_routine")

def test_revert_temporary_config(self):
        self._test_wrapped_method("revert_temporary_config")

def test_rollback_checkpoints(self):
        self._test_wrapped_method("rollback_checkpoints", 42)

def _test_wrapped_method(self, name, *args, **kwargs):
        """Test a wrapped reverter method.

:param str name: name of the method to test
        :param tuple args: position arguments to method
        :param dict kwargs: keyword arguments to method

"""
        installer_func = getattr(self.installer, name)
        self._test_adapted_method(installer_func, name, *args, **kwargs)

def _test_adapted_method(self, installer_func,
                             reverter_func_name, *passed_args, **passed_kwargs):
        """Test an adapted reverter method

:param callable installer_func: installer method to test
        :param str reverter_func_name: name of the method on the
            reverter that should be called
        :param tuple passed_args: positional arguments passed from
            installer method to the reverter method
        :param dict passed_kargs: keyword arguments passed from
            installer method to the reverter method

"""
        with mock.patch.object(self.reverter, reverter_func_name) as reverter_func:
            installer_func(*passed_args, **passed_kwargs)
            reverter_func.assert_called_once_with(*passed_args, **passed_kwargs)
            reverter_func.side_effect = errors.ReverterError
            with pytest.raises(errors.PluginError):
                installer_func(*passed_args, **passed_kwargs)

def test_install_ssl_dhparams(self):
        self.installer.install_ssl_dhparams()
        assert os.path.isfile(self.installer.ssl_dhparams)

def _current_ssl_dhparams_hash(self):
        from certbot._internal.constants import SSL_DHPARAMS_SRC
        return crypto_util.sha256sum(SSL_DHPARAMS_SRC)

def test_current_file_hash_in_all_hashes(self):
        from certbot._internal.constants import ALL_SSL_DHPARAMS_HASHES
        assert self._current_ssl_dhparams_hash() in ALL_SSL_DHPARAMS_HASHES, \
            "Constants.ALL_SSL_DHPARAMS_HASHES must be appended" \
            " with the sha256 hash of self.config.ssl_dhparams when it is updated."

class AddrTest(unittest.TestCase):
    """Tests for certbot.plugins.common.Addr."""

def setUp(self):
        from certbot.plugins.common import Addr
        self.addr1 = Addr.fromstring("192.168.1.1")
        self.addr2 = Addr.fromstring("192.168.1.1:*")
        self.addr3 = Addr.fromstring("192.168.1.1:80")
        self.addr4 = Addr.fromstring("[fe00::1]")
        self.addr5 = Addr.fromstring("[fe00::1]:*")
        self.addr6 = Addr.fromstring("[fe00::1]:80")
        self.addr7 = Addr.fromstring("[fe00::1]:5")
        self.addr8 = Addr.fromstring("[fe00:1:2:3:4:5:6:7:8:9]:8080")

def test_fromstring(self):
        assert self.addr1.get_addr() == "192.168.1.1"
        assert self.addr1.get_port() == ""
        assert self.addr2.get_addr() == "192.168.1.1"
        assert self.addr2.get_port() == "*"
        assert self.addr3.get_addr() == "192.168.1.1"
        assert self.addr3.get_port() == "80"
        assert self.addr4.get_addr() == "[fe00::1]"
        assert self.addr4.get_port() == ""
        assert self.addr5.get_addr() == "[fe00::1]"
        assert self.addr5.get_port() == "*"
        assert self.addr6.get_addr() == "[fe00::1]"
        assert self.addr6.get_port() == "80"
        assert self.addr6.get_ipv6_exploded() == \
                         "fe00:0:0:0:0:0:0:1"
        assert self.addr1.get_ipv6_exploded() == \
                         ""
        assert self.addr7.get_port() == "5"
        assert self.addr8.get_ipv6_exploded() == \
                         "fe00:1:2:3:4:5:6:7"

def test_str(self):
        assert str(self.addr1) == "192.168.1.1"
        assert str(self.addr2) == "192.168.1.1:*"
        assert str(self.addr3) == "192.168.1.1:80"
        assert str(self.addr4) == "[fe00::1]"
        assert str(self.addr5) == "[fe00::1]:*"
        assert str(self.addr6) == "[fe00::1]:80"

def test_get_addr_obj(self):
        assert str(self.addr1.get_addr_obj("443")) == "192.168.1.1:443"
        assert str(self.addr2.get_addr_obj("")) == "192.168.1.1"
        assert str(self.addr1.get_addr_obj("*")) == "192.168.1.1:*"
        assert str(self.addr4.get_addr_obj("443")) == "[fe00::1]:443"
        assert str(self.addr5.get_addr_obj("")) == "[fe00::1]"
        assert str(self.addr4.get_addr_obj("*")) == "[fe00::1]:*"

def test_eq(self):
        assert self.addr1 == self.addr2.get_addr_obj("")
        assert self.addr1 != self.addr2
        assert self.addr1 != 3333

assert self.addr4 == self.addr4.get_addr_obj("")
        assert self.addr4 != self.addr5
        assert self.addr4 != 3333
        from certbot.plugins.common import Addr
        assert self.addr4 == Addr.fromstring("[fe00:0:0::1]")
        assert self.addr4 == Addr.fromstring("[fe00:0::0:0:1]")

def test_set_inclusion(self):
        from certbot.plugins.common import Addr
        set_a = {self.addr1, self.addr2}
        addr1b = Addr.fromstring("192.168.1.1")
        addr2b = Addr.fromstring("192.168.1.1:*")
        set_b = {addr1b, addr2b}

assert set_a == set_b

set_c = {self.addr4, self.addr5}
        addr4b = Addr.fromstring("[fe00::1]")
        addr5b = Addr.fromstring("[fe00::1]:*")
        set_d = {addr4b, addr5b}

assert set_c == set_d

class ChallengePerformerTest(unittest.TestCase):
    """Tests for certbot.plugins.common.ChallengePerformer."""

def setUp(self):
        configurator = mock.MagicMock()

from certbot.plugins.common import ChallengePerformer
        self.performer = ChallengePerformer(configurator)

def test_add_chall(self):
        self.performer.add_chall(ACHALL, 0)
        assert 1 == len(self.performer.achalls)
        assert [0] == self.performer.indices

def test_perform(self):
        with pytest.raises(NotImplementedError):
            self.performer.perform()

class InstallVersionControlledFileTest(test_util.TempDirTestCase):
    """Tests for certbot.plugins.common.install_version_controlled_file."""

def setUp(self):
        super().setUp()
        self.hashes = ["someotherhash"]
        self.dest_path = os.path.join(self.tempdir, "options-ssl-dest.conf")
        self.hash_path = os.path.join(self.tempdir, ".options-ssl-conf.txt")
        self.old_path = os.path.join(self.tempdir, "options-ssl-old.conf")
        self.source_path = os.path.join(self.tempdir, "options-ssl-src.conf")
        for path in (self.source_path, self.old_path,):
            with open(path, "w") as f:
                f.write(path)
            self.hashes.append(crypto_util.sha256sum(path))

def _call(self):
        from certbot.plugins.common import install_version_controlled_file
        install_version_controlled_file(self.dest_path,
                                        self.hash_path,
                                        self.source_path,
                                        self.hashes)

def _current_file_hash(self):
        return crypto_util.sha256sum(self.source_path)

def _assert_current_file(self):
        assert os.path.isfile(self.dest_path)
        assert crypto_util.sha256sum(self.dest_path) == \
            self._current_file_hash()

def test_no_file(self):
        assert not os.path.isfile(self.dest_path)
        self._call()
        self._assert_current_file()

def test_current_file(self):
        # 1st iteration installs the file, the 2nd checks if it needs updating
        for _ in range(2):
            self._call()
            self._assert_current_file()

def test_prev_file_updates_to_current(self):
        shutil.copyfile(self.old_path, self.dest_path)
        self._call()
        self._assert_current_file()

def test_manually_modified_current_file_does_not_update(self):
        self._call()
        with open(self.dest_path, "a") as mod_ssl_conf:
            mod_ssl_conf.write("a new line for the wrong hash\n")
        with mock.patch("certbot.plugins.common.logger") as mock_logger:
            self._call()
            assert mock_logger.warning.called is False
        assert os.path.isfile(self.dest_path)
        assert crypto_util.sha256sum(self.source_path) == \
            self._current_file_hash()
        assert crypto_util.sha256sum(self.dest_path) != \
            self._current_file_hash()

def test_manually_modified_past_file_warns(self):
        with open(self.dest_path, "a") as mod_ssl_conf:
            mod_ssl_conf.write("a new line for the wrong hash\n")
        with open(self.hash_path, "w") as f:
            f.write("hashofanoldversion")
        with mock.patch("certbot.plugins.common.logger") as mock_logger:
            self._call()
            assert mock_logger.warning.call_args[0][0] == \
                "%s has been manually modified; updated file " \
                "saved to %s. We recommend updating %s for security purposes."
        assert crypto_util.sha256sum(self.source_path) == \
            self._current_file_hash()
        # only print warning once
        with mock.patch("certbot.plugins.common.logger") as mock_logger:
            self._call()
            assert mock_logger.warning.called is False

if __name__ == "__main__":
    sys.exit(pytest.main(sys.argv[1:] + [__file__]))  # pragma: no cover

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