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"""DNS Authenticator for DNS Made Easy DNS."""
import logging
from lexicon.providers import dnsmadeeasy
import zope.interface
from certbot import errors
from certbot import interfaces
from certbot.plugins import dns_common
from certbot.plugins import dns_common_lexicon
logger = logging.getLogger(__name__)
ACCOUNT_URL = 'https://cp.dnsmadeeasy.com/account/info'
@zope.interface.implementer(interfaces.IAuthenticator)
@zope.interface.provider(interfaces.IPluginFactory)
class Authenticator(dns_common.DNSAuthenticator):
"""DNS Authenticator for DNS Made Easy
This Authenticator uses the DNS Made Easy API to fulfill a dns-01 challenge.
"""
description = ('Obtain certificates using a DNS TXT record (if you are using DNS Made Easy for '
'DNS).')
ttl = 60
def __init__(self, *args, **kwargs):
super(Authenticator, self).__init__(*args, **kwargs)
self.credentials = None
@classmethod
def add_parser_arguments(cls, add): # pylint: disable=arguments-differ
super(Authenticator, cls).add_parser_arguments(add, default_propagation_seconds=60)
add('credentials', help='DNS Made Easy credentials INI file.')
def more_info(self): # pylint: disable=missing-docstring,no-self-use
return 'This plugin configures a DNS TXT record to respond to a dns-01 challenge using ' + \
'the DNS Made Easy API.'
def _setup_credentials(self):
self.credentials = self._configure_credentials(
'credentials',
'DNS Made Easy credentials INI file',
{
'api-key': 'API key for DNS Made Easy account, obtained from {0}'
.format(ACCOUNT_URL),
'secret-key': 'Secret key for DNS Made Easy account, obtained from {0}'
.format(ACCOUNT_URL)
}
)
def _perform(self, domain, validation_name, validation):
self._get_dnsmadeeasy_client().add_txt_record(domain, validation_name, validation)
def _cleanup(self, domain, validation_name, validation):
self._get_dnsmadeeasy_client().del_txt_record(domain, validation_name, validation)
def _get_dnsmadeeasy_client(self):
return _DNSMadeEasyLexiconClient(self.credentials.conf('api-key'),
self.credentials.conf('secret-key'),
self.ttl)
class _DNSMadeEasyLexiconClient(dns_common_lexicon.LexiconClient):
"""
Encapsulates all communication with the DNS Made Easy via Lexicon.
"""
def __init__(self, api_key, secret_key, ttl):
super(_DNSMadeEasyLexiconClient, self).__init__()
config = dns_common_lexicon.build_lexicon_config('dnsmadeeasy', {
'ttl': ttl,
}, {
'auth_username': api_key,
'auth_token': secret_key,
})
self.provider = dnsmadeeasy.Provider(config)
def _handle_http_error(self, e, domain_name):
if domain_name in str(e) and str(e).startswith('404 Client Error: Not Found for url:'):
return None
hint = None
if str(e).startswith('403 Client Error: Forbidden for url:'):
hint = 'Are your API key and Secret key values correct?'
return errors.PluginError('Error determining zone identifier: {0}.{1}'
.format(e, ' ({0})'.format(hint) if hint else ''))
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