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# pylint: disable=too-many-public-methods,too-many-lines
"""Test for certbot_apache.configurator AutoHSTS functionality"""
import re
import unittest
import mock
# six is used in mock.patch()
import six # pylint: disable=unused-import
from certbot import errors
from certbot_apache import constants
from certbot_apache.tests import util
class AutoHSTSTest(util.ApacheTest):
"""Tests for AutoHSTS feature"""
# pylint: disable=protected-access
def setUp(self): # pylint: disable=arguments-differ
super(AutoHSTSTest, self).setUp()
self.config = util.get_apache_configurator(
self.config_path, self.vhost_path, self.config_dir, self.work_dir)
self.config.parser.modules.add("headers_module")
self.config.parser.modules.add("mod_headers.c")
self.config.parser.modules.add("ssl_module")
self.config.parser.modules.add("mod_ssl.c")
self.vh_truth = util.get_vh_truth(
self.temp_dir, "debian_apache_2_4/multiple_vhosts")
def get_autohsts_value(self, vh_path):
""" Get value from Strict-Transport-Security header """
header_path = self.config.parser.find_dir("Header", None, vh_path)
if header_path:
pat = '(?:[ "]|^)(strict-transport-security)(?:[ "]|$)'
for head in header_path:
if re.search(pat, self.config.parser.aug.get(head).lower()):
return self.config.parser.aug.get(head.replace("arg[3]",
"arg[4]"))
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
@mock.patch("certbot_apache.configurator.ApacheConfigurator.enable_mod")
def test_autohsts_enable_headers_mod(self, mock_enable, _restart):
self.config.parser.modules.discard("headers_module")
self.config.parser.modules.discard("mod_header.c")
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
self.assertTrue(mock_enable.called)
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
def test_autohsts_deploy_already_exists(self, _restart):
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
self.assertRaises(errors.PluginEnhancementAlreadyPresent,
self.config.enable_autohsts,
mock.MagicMock(), ["ocspvhost.com"])
@mock.patch("certbot_apache.constants.AUTOHSTS_FREQ", 0)
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
@mock.patch("certbot_apache.configurator.ApacheConfigurator.prepare")
def test_autohsts_increase(self, mock_prepare, _mock_restart):
self.config._prepared = False
maxage = "\"max-age={0}\""
initial_val = maxage.format(constants.AUTOHSTS_STEPS[0])
inc_val = maxage.format(constants.AUTOHSTS_STEPS[1])
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
# Verify initial value
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
initial_val)
# Increase
self.config.update_autohsts(mock.MagicMock())
# Verify increased value
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
inc_val)
self.assertTrue(mock_prepare.called)
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
@mock.patch("certbot_apache.configurator.ApacheConfigurator._autohsts_increase")
def test_autohsts_increase_noop(self, mock_increase, _restart):
maxage = "\"max-age={0}\""
initial_val = maxage.format(constants.AUTOHSTS_STEPS[0])
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
# Verify initial value
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
initial_val)
self.config.update_autohsts(mock.MagicMock())
# Freq not patched, so value shouldn't increase
self.assertFalse(mock_increase.called)
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
@mock.patch("certbot_apache.constants.AUTOHSTS_FREQ", 0)
def test_autohsts_increase_no_header(self, _restart):
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
# Remove the header
dir_locs = self.config.parser.find_dir("Header", None,
self.vh_truth[7].path)
dir_loc = "/".join(dir_locs[0].split("/")[:-1])
self.config.parser.aug.remove(dir_loc)
self.assertRaises(errors.PluginError,
self.config.update_autohsts,
mock.MagicMock())
@mock.patch("certbot_apache.constants.AUTOHSTS_FREQ", 0)
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
def test_autohsts_increase_and_make_permanent(self, _mock_restart):
maxage = "\"max-age={0}\""
max_val = maxage.format(constants.AUTOHSTS_PERMANENT)
mock_lineage = mock.MagicMock()
mock_lineage.key_path = "/etc/apache2/ssl/key-certbot_15.pem"
self.config.enable_autohsts(mock.MagicMock(), ["ocspvhost.com"])
for i in range(len(constants.AUTOHSTS_STEPS)-1):
# Ensure that value is not made permanent prematurely
self.config.deploy_autohsts(mock_lineage)
self.assertNotEquals(self.get_autohsts_value(self.vh_truth[7].path),
max_val)
self.config.update_autohsts(mock.MagicMock())
# Value should match pre-permanent increment step
cur_val = maxage.format(constants.AUTOHSTS_STEPS[i+1])
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
cur_val)
# Ensure that the value is raised to max
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
maxage.format(constants.AUTOHSTS_STEPS[-1]))
# Make permanent
self.config.deploy_autohsts(mock_lineage)
self.assertEquals(self.get_autohsts_value(self.vh_truth[7].path),
max_val)
def test_autohsts_update_noop(self):
with mock.patch("time.time") as mock_time:
# Time mock is used to make sure that the execution does not
# continue when no autohsts entries exist in pluginstorage
self.config.update_autohsts(mock.MagicMock())
self.assertFalse(mock_time.called)
def test_autohsts_make_permanent_noop(self):
self.config.storage.put = mock.MagicMock()
self.config.deploy_autohsts(mock.MagicMock())
# Make sure that the execution does not continue when no entries in store
self.assertFalse(self.config.storage.put.called)
@mock.patch("certbot_apache.display_ops.select_vhost")
def test_autohsts_no_ssl_vhost(self, mock_select):
mock_select.return_value = self.vh_truth[0]
with mock.patch("certbot_apache.configurator.logger.warning") as mock_log:
self.assertRaises(errors.PluginError,
self.config.enable_autohsts,
mock.MagicMock(), "invalid.example.com")
self.assertTrue(
"Certbot was not able to find SSL" in mock_log.call_args[0][0])
@mock.patch("certbot_apache.configurator.ApacheConfigurator.restart")
@mock.patch("certbot_apache.configurator.ApacheConfigurator.add_vhost_id")
def test_autohsts_dont_enhance_twice(self, mock_id, _restart):
mock_id.return_value = "1234567"
self.config.enable_autohsts(mock.MagicMock(),
["ocspvhost.com", "ocspvhost.com"])
self.assertEquals(mock_id.call_count, 1)
def test_autohsts_remove_orphaned(self):
# pylint: disable=protected-access
self.config._autohsts_fetch_state()
self.config._autohsts["orphan_id"] = {"laststep": 0, "timestamp": 0}
self.config._autohsts_save_state()
self.config.update_autohsts(mock.MagicMock())
self.assertFalse("orphan_id" in self.config._autohsts)
# Make sure it's removed from the pluginstorage file as well
self.config._autohsts = None
self.config._autohsts_fetch_state()
self.assertFalse(self.config._autohsts)
def test_autohsts_make_permanent_vhost_not_found(self):
# pylint: disable=protected-access
self.config._autohsts_fetch_state()
self.config._autohsts["orphan_id"] = {"laststep": 999, "timestamp": 0}
self.config._autohsts_save_state()
with mock.patch("certbot_apache.configurator.logger.warning") as mock_log:
self.config.deploy_autohsts(mock.MagicMock())
self.assertTrue(mock_log.called)
self.assertTrue(
"VirtualHost with id orphan_id was not" in mock_log.call_args[0][0])
if __name__ == "__main__":
unittest.main() # pragma: no cover
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