1 files changed, 82 insertions, 0 deletions
diff --git a/certbot-dns-dnsimple/certbot_dns_dnsimple/_internal/dns_dnsimple.py b/certbot-dns-dnsimple/certbot_dns_dnsimple/_internal/dns_dnsimple.py
new file mode 100644
index 000000000..8c48d31e7
--- /dev/null
+++ b/certbot-dns-dnsimple/certbot_dns_dnsimple/_internal/dns_dnsimple.py
@@ -0,0 +1,82 @@
+"""DNS Authenticator for DNSimple DNS."""
+import logging
+
+from lexicon.providers import dnsimple
+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://dnsimple.com/user'
+
+
+@zope.interface.implementer(interfaces.IAuthenticator)
+@zope.interface.provider(interfaces.IPluginFactory)
+class Authenticator(dns_common.DNSAuthenticator):
+    """DNS Authenticator for DNSimple
+
+    This Authenticator uses the DNSimple v2 API to fulfill a dns-01 challenge.
+    """
+
+    description = 'Obtain certificates using a DNS TXT record (if you are using DNSimple 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=30)
+        add('credentials', help='DNSimple 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 DNSimple API.'
+
+    def _setup_credentials(self):
+        self.credentials = self._configure_credentials(
+            'credentials',
+            'DNSimple credentials INI file',
+            {
+                'token': 'User access token for DNSimple v2 API. (See {0}.)'.format(ACCOUNT_URL)
+            }
+        )
+
+    def _perform(self, domain, validation_name, validation):
+        self._get_dnsimple_client().add_txt_record(domain, validation_name, validation)
+
+    def _cleanup(self, domain, validation_name, validation):
+        self._get_dnsimple_client().del_txt_record(domain, validation_name, validation)
+
+    def _get_dnsimple_client(self):
+        return _DNSimpleLexiconClient(self.credentials.conf('token'), self.ttl)
+
+
+class _DNSimpleLexiconClient(dns_common_lexicon.LexiconClient):
+    """
+    Encapsulates all communication with the DNSimple via Lexicon.
+    """
+
+    def __init__(self, token, ttl):
+        super(_DNSimpleLexiconClient, self).__init__()
+
+        config = dns_common_lexicon.build_lexicon_config('dnssimple', {
+            'ttl': ttl,
+        }, {
+            'auth_token': token,
+        })
+
+        self.provider = dnsimple.Provider(config)
+
+    def _handle_http_error(self, e, domain_name):
+        hint = None
+        if str(e).startswith('401 Client Error: Unauthorized for url:'):
+            hint = 'Is your API token value correct?'
+
+        return errors.PluginError('Error determining zone identifier for {0}: {1}.{2}'
+                                  .format(domain_name, e, ' ({0})'.format(hint) if hint else ''))