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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	30 B	-rw-r--r--
common.py	16.9 KB	-rw-r--r--
common_test.py	16.53 KB	-rw-r--r--
disco.py	9.92 KB	-rw-r--r--
disco_test.py	11.34 KB	-rw-r--r--
dns_common.py	11.7 KB	-rw-r--r--
dns_common_lexicon.py	5.39 KB	-rw-r--r--
dns_common_lexicon_test.py	651 B	-rw-r--r--
dns_common_test.py	8.25 KB	-rw-r--r--
dns_test_common.py	1.61 KB	-rw-r--r--
dns_test_common_lexicon.py	5.48 KB	-rw-r--r--
enhancements.py	5.58 KB	-rw-r--r--
enhancements_test.py	2.36 KB	-rw-r--r--
manual.py	10.6 KB	-rw-r--r--
manual_test.py	7.37 KB	-rw-r--r--
null.py	1.34 KB	-rw-r--r--
null_test.py	624 B	-rw-r--r--
selection.py	13.55 KB	-rw-r--r--
selection_test.py	7.76 KB	-rw-r--r--
standalone.py	11.36 KB	-rw-r--r--
standalone_test.py	9.26 KB	-rw-r--r--
storage.py	4.08 KB	-rw-r--r--
storage_test.py	5.37 KB	-rw-r--r--
util.py	1.7 KB	-rw-r--r--
util_test.py	1.61 KB	-rw-r--r--
webroot.py	11.9 KB	-rw-r--r--
webroot_test.py	11.95 KB	-rw-r--r--

Code Editor : dns_common_lexicon.py

"""Common code for DNS Authenticator Plugins built on Lexicon."""
import logging

from requests.exceptions import HTTPError, RequestException

from acme.magic_typing import Union, Dict, Any  # pylint: disable=unused-import,no-name-in-module
from certbot import errors
from certbot.plugins import dns_common

# Lexicon is not declared as a dependency in Certbot itself,
# but in the Certbot plugins backed by Lexicon.
# So we catch import error here to allow this module to be
# always importable, even if it does not make sense to use it
# if Lexicon is not available, obviously.
try:
    from lexicon.config import ConfigResolver
except ImportError:
    ConfigResolver = None  # type: ignore

logger = logging.getLogger(__name__)

class LexiconClient(object):
    """
    Encapsulates all communication with a DNS provider via Lexicon.
    """

def __init__(self):
        self.provider = None

def add_txt_record(self, domain, record_name, record_content):
        """
        Add a TXT record using the supplied information.

try:
            self.provider.create_record(type='TXT', name=record_name, content=record_content)
        except RequestException as e:
            logger.debug('Encountered error adding TXT record: %s', e, exc_info=True)
            raise errors.PluginError('Error adding TXT record: {0}'.format(e))

def del_txt_record(self, domain, record_name, record_content):
        """
        Delete a TXT record using the supplied information.

:param str domain: The domain to use to look up the managed zone.
        :param str record_name: The record name (typically beginning with '_acme-challenge.').
        :param str record_content: The record content (typically the challenge validation).
        :raises errors.PluginError: if an error occurs communicating with the DNS Provider  API
        """
        try:
            self._find_domain_id(domain)
        except errors.PluginError as e:
            logger.debug('Encountered error finding domain_id during deletion: %s', e,
                         exc_info=True)
            return

try:
            self.provider.delete_record(type='TXT', name=record_name, content=record_content)
        except RequestException as e:
            logger.debug('Encountered error deleting TXT record: %s', e, exc_info=True)

def _find_domain_id(self, domain):
        """
        Find the domain_id for a given domain.

:param str domain: The domain for which to find the domain_id.
        :raises errors.PluginError: if the domain_id cannot be found.
        """

domain_name_guesses = dns_common.base_domain_name_guesses(domain)

for domain_name in domain_name_guesses:
            try:
                if hasattr(self.provider, 'options'):
                    # For Lexicon 2.x
                    self.provider.options['domain'] = domain_name
                else:
                    # For Lexicon 3.x
                    self.provider.domain = domain_name

self.provider.authenticate()

return  # If `authenticate` doesn't throw an exception, we've found the right name
            except HTTPError as e:
                result = self._handle_http_error(e, domain_name)

if result:
                    raise result
            except Exception as e:  # pylint: disable=broad-except
                result = self._handle_general_error(e, domain_name)

if result:
                    raise result

raise errors.PluginError('Unable to determine zone identifier for {0} using zone names: {1}'
                                 .format(domain, domain_name_guesses))

def _handle_http_error(self, e, domain_name):
        return errors.PluginError('Error determining zone identifier for {0}: {1}.'
                                  .format(domain_name, e))

def _handle_general_error(self, e, domain_name):
        if not str(e).startswith('No domain found'):
            return errors.PluginError('Unexpected error determining zone identifier for {0}: {1}'
                                      .format(domain_name, e))

def build_lexicon_config(lexicon_provider_name, lexicon_options, provider_options):
    # type: (str, Dict, Dict) -> Union[ConfigResolver, Dict]
    """
    Convenient function to build a Lexicon 2.x/3.x config object.
    :param str lexicon_provider_name: the name of the lexicon provider to use
    :param dict lexicon_options: options specific to lexicon
    :param dict provider_options: options specific to provider
    :return: configuration to apply to the provider
    :rtype: ConfigurationResolver or dict
    """
    config = {'provider_name': lexicon_provider_name}  # type: Dict[str, Any]
    config.update(lexicon_options)
    if not ConfigResolver:
        # Lexicon 2.x
        config.update(provider_options)
    else:
        # Lexicon 3.x
        provider_config = {}
        provider_config.update(provider_options)
        config[lexicon_provider_name] = provider_config
        config = ConfigResolver().with_dict(config).with_env()

return config

${this.title}

Code Editor : dns_common_lexicon.py