diff options
Diffstat (limited to 'certbot-nginx/certbot_nginx/configurator.py')
| -rw-r--r-- | certbot-nginx/certbot_nginx/configurator.py | 46 |
1 files changed, 33 insertions, 13 deletions
diff --git a/certbot-nginx/certbot_nginx/configurator.py b/certbot-nginx/certbot_nginx/configurator.py index d526381a2..dd0bf9e8b 100644 --- a/certbot-nginx/certbot_nginx/configurator.py +++ b/certbot-nginx/certbot_nginx/configurator.py @@ -8,7 +8,6 @@ import tempfile import time import OpenSSL -import six import zope.interface from acme import challenges @@ -32,6 +31,12 @@ from certbot_nginx import obj # pylint: disable=unused-import from acme.magic_typing import List, Dict, Set # pylint: disable=unused-import, no-name-in-module +NAME_RANK = 0 +START_WILDCARD_RANK = 1 +END_WILDCARD_RANK = 2 +REGEX_RANK = 3 +NO_SSL_MODIFIER = 4 + logger = logging.getLogger(__name__) @@ -405,7 +410,8 @@ class NginxConfigurator(common.Installer): """ if not matches: return None - elif matches[0]['rank'] in six.moves.range(2, 6): + elif matches[0]['rank'] in [START_WILDCARD_RANK, END_WILDCARD_RANK, + START_WILDCARD_RANK + NO_SSL_MODIFIER, END_WILDCARD_RANK + NO_SSL_MODIFIER]: # Wildcard match - need to find the longest one rank = matches[0]['rank'] wildcards = [x for x in matches if x['rank'] == rank] @@ -414,10 +420,9 @@ class NginxConfigurator(common.Installer): # Exact or regex match return matches[0]['vhost'] - - def _rank_matches_by_name_and_ssl(self, vhost_list, target_name): + def _rank_matches_by_name(self, vhost_list, target_name): """Returns a ranked list of vhosts from vhost_list that match target_name. - The ranking gives preference to SSL vhosts. + This method should always be followed by a call to _select_best_name_match. :param list vhost_list: list of vhosts to filter and rank :param str target_name: The name to match @@ -437,21 +442,37 @@ class NginxConfigurator(common.Installer): if name_type == 'exact': matches.append({'vhost': vhost, 'name': name, - 'rank': 0 if vhost.ssl else 1}) + 'rank': NAME_RANK}) elif name_type == 'wildcard_start': matches.append({'vhost': vhost, 'name': name, - 'rank': 2 if vhost.ssl else 3}) + 'rank': START_WILDCARD_RANK}) elif name_type == 'wildcard_end': matches.append({'vhost': vhost, 'name': name, - 'rank': 4 if vhost.ssl else 5}) + 'rank': END_WILDCARD_RANK}) elif name_type == 'regex': matches.append({'vhost': vhost, 'name': name, - 'rank': 6 if vhost.ssl else 7}) + 'rank': REGEX_RANK}) return sorted(matches, key=lambda x: x['rank']) + def _rank_matches_by_name_and_ssl(self, vhost_list, target_name): + """Returns a ranked list of vhosts from vhost_list that match target_name. + The ranking gives preference to SSLishness before name match level. + + :param list vhost_list: list of vhosts to filter and rank + :param str target_name: The name to match + :returns: list of dicts containing the vhost, the matching name, and + the numerical rank + :rtype: list + + """ + matches = self._rank_matches_by_name(vhost_list, target_name) + for match in matches: + if not match['vhost'].ssl: + match['rank'] += NO_SSL_MODIFIER + return sorted(matches, key=lambda x: x['rank']) def choose_redirect_vhosts(self, target_name, port, create_if_no_match=False): """Chooses a single virtual host for redirect enhancement. @@ -531,9 +552,7 @@ class NginxConfigurator(common.Installer): matching_vhosts = [vhost for vhost in all_vhosts if _vhost_matches(vhost, port)] - # We can use this ranking function because sslishness doesn't matter to us, and - # there shouldn't be conflicting plaintextish servers listening on 80. - return self._rank_matches_by_name_and_ssl(matching_vhosts, target_name) + return self._rank_matches_by_name(matching_vhosts, target_name) def get_all_names(self): """Returns all names found in the Nginx Configuration. @@ -568,6 +587,7 @@ class NginxConfigurator(common.Installer): return util.get_filtered_names(all_names) def _get_snakeoil_paths(self): + """Generate invalid certs that let us create ssl directives for Nginx""" # TODO: generate only once tmp_dir = os.path.join(self.config.work_dir, "snakeoil") le_key = crypto_util.init_save_key( @@ -1019,7 +1039,7 @@ class NginxConfigurator(common.Installer): ########################################################################### def get_chall_pref(self, unused_domain): # pylint: disable=no-self-use """Return list of challenge preferences.""" - return [challenges.TLSSNI01, challenges.HTTP01] + return [challenges.HTTP01, challenges.TLSSNI01] # Entry point in main.py for performing challenges def perform(self, achalls): |