Validate TLD during ssl cert creation

Change-Id: Id77c9cff8075bbc3f421b832d2d71ea217ef952c

Mocked the underlying network calls that validate the domain

Change-Id: I07146c65518b120d114d62ae38066de08b210b2a

Fixing pep8 issue

Change-Id: Ibf5072288c1fbba086a021e07a56c33a4f7b3fbf

poppy/manager/default/ssl_certificate.py

@@ -48,7 +48,8 @@ class DefaultSSLCertificateController(base.SSLCertificateController):
 
         if (not validators.is_valid_domain_name(cert_obj.domain_name)) or \
                 (validators.is_root_domain(
-                    domain.Domain(cert_obj.domain_name).to_dict())):
+                    domain.Domain(cert_obj.domain_name).to_dict())) or \
+                (not validators.is_valid_tld(cert_obj.domain_name)):
             # here created a http domain object but it does not matter http or
             # https
             raise ValueError('%s must be a valid non-root domain' %

poppy/transport/validators/helpers.py

@@ -14,9 +14,12 @@
 # limitations under the License.
 
 import datetime
+import dns.resolver
 import functools
 import json
 import re
+import whois
+
 try:
     set
 except NameError:  # noqa  pragma: no cover
@@ -30,6 +33,7 @@ from poppy.common import util
 from poppy.transport.validators import root_domain_regexes as regexes
 from poppy.transport.validators.stoplight import decorators
 from poppy.transport.validators.stoplight import exceptions
+from tld import get_tld
 
 
 def req_accepts_json_pecan(request, desired_content_type='application/json'):
@@ -134,6 +138,23 @@ def is_valid_shared_ssl_domain_name(domain_name):
     return re.match(shared_ssl_domain_regex, domain_name) is not None
 
 
+def is_valid_tld(domain_name):
+    try:
+        status = whois.whois(domain_name)['status']
+        if status is not None or status != '':
+            url = 'https://{domain}'
+            tld_obj = get_tld(url.format(domain=domain_name),
+                              as_object=True)
+            tld = tld_obj.suffix
+            try:
+                dns.resolver.query(tld + '.', 'SOA')
+                return True
+            except dns.resolver.NXDOMAIN:
+                return False
+    except Exception:
+        return False
+
+
 def is_valid_domain_name(domain_name):
     # only allow ascii
     domain_regex = ('^((?=[a-z0-9-]{1,63}\.)[a-z0-9]+'

requirements/common.txt

@@ -19,3 +19,7 @@ oslo.log>=1.12.1
 oslo.serialization>=1.7.0
 oslo.utils>=2.0.0
 SecretStorage==2.1.4
+
+python-whois>=0.6.2
+tld>=0.7.6
+dnspython>=1.14.0

tests/functional/transport/pecan/controllers/test_ssl_certificate.py

@@ -17,7 +17,9 @@ import json
 import uuid
 
 import ddt
+import mock
 
+from poppy.transport.validators import helpers as validators
 from tests.functional.transport.pecan import base
 
 
@@ -56,6 +58,7 @@ class SSLCertificateControllerTest(base.FunctionalTest):
 
     @ddt.file_data("data_create_ssl_certificate.json")
     def test_create_ssl_certificate(self, ssl_certificate_json):
+        validators.is_valid_tld = mock.Mock(return_value=True)
 
         # override the hardcoded flavor_id in the ddt file with
         # a custom one defined in setUp()
@@ -81,6 +84,7 @@ class SSLCertificateControllerTest(base.FunctionalTest):
         self.assertEqual(404, response.status_code)
 
     def test_get_ssl_certificate_existing_domain(self):
+        validators.is_valid_tld = mock.Mock(return_value=True)
         domain = 'www.iexist.com'
         ssl_certificate_json = {
             "cert_type": "san",
@@ -113,6 +117,7 @@ class SSLCertificateControllerTest(base.FunctionalTest):
                          response_list[0]["project_id"])
 
     def test_get_ssl_certificate_existing_domain_different_project_id(self):
+        validators.is_valid_tld = mock.Mock(return_value=True)
         domain = 'www.iexist.com'
         ssl_certificate_json = {
             "cert_type": "san",

tests/test-requirements.txt

@@ -1,6 +1,5 @@
 coverage
 ddt==1.0.0
-dnspython
 fixtures
 hacking
 mock
@@ -11,4 +10,4 @@ requests-mock
 testrepository
 testtools
 beautifulsoup4
-hypothesis
+hypothesis

tests/unit/manager/default/test_ssl_certificate.py

@@ -22,6 +22,7 @@ import testtools
 from poppy.manager.default import driver
 from poppy.manager.default import ssl_certificate
 from poppy.model import ssl_certificate as ssl_cert_model
+from poppy.transport.validators import helpers as validators
 from tests.unit import base
 
 
@@ -88,6 +89,17 @@ class DefaultSSLCertificateControllerTests(base.TestCase):
         with testtools.ExpectedException(ValueError):
             self.scc.create_ssl_certificate('project_id', cert_obj=cert_obj)
 
+    def test_create_ssl_certificate_invalid_domain(self):
+        cert_obj = ssl_cert_model.SSLCertificate(
+            'premium',
+            'www.krusty.happyclowns',
+            'san',
+            project_id='000'
+        )
+        validators.is_valid_tld = mock.Mock(return_value=False)
+        with testtools.ExpectedException(ValueError):
+            self.scc.create_ssl_certificate('project_id', cert_obj=cert_obj)
+
     def test_create_ssl_certificate_exception_storage_create_cert(self):
         cert_obj = ssl_cert_model.SSLCertificate(
             'flavor_id',