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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import uuid
from lxml import etree
from keystoneauth1 import exceptions
from keystoneauth1.extras import _saml2 as saml2
from keystoneauth1.tests.unit.extras.saml2 import fixtures as saml2_fixtures
from keystoneauth1.tests.unit.extras.saml2 import utils
from keystoneauth1.tests.unit import matchers
class AuthenticateviaSAML2Tests(utils.TestCase):
GROUP = 'auth'
TEST_TOKEN = uuid.uuid4().hex
def setUp(self):
super(AuthenticateviaSAML2Tests, self).setUp()
self.ECP_SP_EMPTY_REQUEST_HEADERS = {
'Accept': 'text/html; application/vnd.paos+xml',
'PAOS': ('ver="urn:liberty:paos:2003-08";'
'"urn:oasis:names:tc:SAML:2.0:profiles:SSO:ecp"')
}
self.ECP_SP_SAML2_REQUEST_HEADERS = {
'Content-Type': 'application/vnd.paos+xml'
}
self.ECP_SAML2_NAMESPACES = {
'ecp': 'urn:oasis:names:tc:SAML:2.0:profiles:SSO:ecp',
'S': 'http://schemas.xmlsoap.org/soap/envelope/',
'paos': 'urn:liberty:paos:2003-08'
}
self.ECP_RELAY_STATE = '//ecp:RelayState'
self.ECP_SERVICE_PROVIDER_CONSUMER_URL = ('/S:Envelope/S:Header/paos:'
'Request/'
'@responseConsumerURL')
self.ECP_IDP_CONSUMER_URL = ('/S:Envelope/S:Header/ecp:Response/'
'@AssertionConsumerServiceURL')
self.IDENTITY_PROVIDER = 'testidp'
self.IDENTITY_PROVIDER_URL = 'http://local.url'
self.PROTOCOL = 'saml2'
self.FEDERATION_AUTH_URL = '%s/%s' % (
self.TEST_URL,
'OS-FEDERATION/identity_providers/testidp/protocols/saml2/auth')
self.SHIB_CONSUMER_URL = ('https://openstack4.local/'
'Shibboleth.sso/SAML2/ECP')
self.saml2plugin = saml2.V3Saml2Password(
self.TEST_URL,
self.IDENTITY_PROVIDER, self.IDENTITY_PROVIDER_URL,
self.TEST_USER, self.TEST_TOKEN, self.PROTOCOL)
def test_initial_sp_call(self):
"""Test initial call, expect SOAP message."""
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
content=utils.make_oneline(saml2_fixtures.SP_SOAP_RESPONSE))
a = self.saml2plugin._send_service_provider_request(self.session)
self.assertFalse(a)
sp_soap_response = etree.tostring(self.saml2plugin.saml2_authn_request)
self.assertThat(saml2_fixtures.SP_SOAP_RESPONSE,
matchers.XMLEquals(sp_soap_response))
self.assertEqual(
self.saml2plugin.sp_response_consumer_url, self.SHIB_CONSUMER_URL,
"Expected consumer_url set to %s instead of %s" % (
self.SHIB_CONSUMER_URL,
str(self.saml2plugin.sp_response_consumer_url)))
def test_initial_sp_call_when_saml_authenticated(self):
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER})
a = self.saml2plugin._send_service_provider_request(self.session)
self.assertTrue(a)
self.assertEqual(
saml2_fixtures.UNSCOPED_TOKEN['token'],
self.saml2plugin.authenticated_response.json()['token'])
self.assertEqual(
saml2_fixtures.UNSCOPED_TOKEN_HEADER,
self.saml2plugin.authenticated_response.headers['X-Subject-Token'])
def test_get_unscoped_token_when_authenticated(self):
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER,
'Content-Type': 'application/json'})
token = self.saml2plugin.get_auth_ref(self.session)
self.assertEqual(saml2_fixtures.UNSCOPED_TOKEN_HEADER,
token.auth_token)
def test_initial_sp_call_invalid_response(self):
"""Send initial SP HTTP request and receive wrong server response."""
self.requests_mock.get(self.FEDERATION_AUTH_URL,
text='NON XML RESPONSE')
self.assertRaises(
exceptions.AuthorizationFailure,
self.saml2plugin._send_service_provider_request,
self.session)
def test_send_authn_req_to_idp(self):
self.requests_mock.post(self.IDENTITY_PROVIDER_URL,
content=saml2_fixtures.SAML2_ASSERTION)
self.saml2plugin.sp_response_consumer_url = self.SHIB_CONSUMER_URL
self.saml2plugin.saml2_authn_request = etree.XML(
saml2_fixtures.SP_SOAP_RESPONSE)
self.saml2plugin._send_idp_saml2_authn_request(self.session)
idp_response = etree.tostring(
self.saml2plugin.saml2_idp_authn_response)
self.assertThat(idp_response,
matchers.XMLEquals(saml2_fixtures.SAML2_ASSERTION))
def test_fail_basicauth_idp_authentication(self):
self.requests_mock.post(self.IDENTITY_PROVIDER_URL,
status_code=401)
self.saml2plugin.sp_response_consumer_url = self.SHIB_CONSUMER_URL
self.saml2plugin.saml2_authn_request = etree.XML(
saml2_fixtures.SP_SOAP_RESPONSE)
self.assertRaises(
exceptions.Unauthorized,
self.saml2plugin._send_idp_saml2_authn_request,
self.session)
def test_mising_username_password_in_plugin(self):
self.assertRaises(TypeError,
saml2.V3Saml2Password,
self.TEST_URL, self.IDENTITY_PROVIDER,
self.IDENTITY_PROVIDER_URL)
def test_send_authn_response_to_sp(self):
self.requests_mock.post(
self.SHIB_CONSUMER_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER})
self.saml2plugin.relay_state = etree.XML(
saml2_fixtures.SP_SOAP_RESPONSE).xpath(
self.ECP_RELAY_STATE, namespaces=self.ECP_SAML2_NAMESPACES)[0]
self.saml2plugin.saml2_idp_authn_response = etree.XML(
saml2_fixtures.SAML2_ASSERTION)
self.saml2plugin.idp_response_consumer_url = self.SHIB_CONSUMER_URL
self.saml2plugin._send_service_provider_saml2_authn_response(
self.session)
token_json = self.saml2plugin.authenticated_response.json()['token']
token = self.saml2plugin.authenticated_response.headers[
'X-Subject-Token']
self.assertEqual(saml2_fixtures.UNSCOPED_TOKEN['token'],
token_json)
self.assertEqual(saml2_fixtures.UNSCOPED_TOKEN_HEADER,
token)
def test_consumer_url_mismatch_success(self):
self.saml2plugin._check_consumer_urls(
self.session, self.SHIB_CONSUMER_URL,
self.SHIB_CONSUMER_URL)
def test_consumer_url_mismatch(self):
self.requests_mock.post(self.SHIB_CONSUMER_URL)
invalid_consumer_url = uuid.uuid4().hex
self.assertRaises(
exceptions.AuthorizationFailure,
self.saml2plugin._check_consumer_urls,
self.session, self.SHIB_CONSUMER_URL,
invalid_consumer_url)
def test_custom_302_redirection(self):
self.requests_mock.post(
self.SHIB_CONSUMER_URL,
text='BODY',
headers={'location': self.FEDERATION_AUTH_URL},
status_code=302)
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER})
self.session.redirect = False
response = self.session.post(
self.SHIB_CONSUMER_URL, data='CLIENT BODY')
self.assertEqual(302, response.status_code)
self.assertEqual(self.FEDERATION_AUTH_URL,
response.headers['location'])
response = self.saml2plugin._handle_http_ecp_redirect(
self.session, response, 'GET')
self.assertEqual(self.FEDERATION_AUTH_URL, response.request.url)
self.assertEqual('GET', response.request.method)
def test_custom_303_redirection(self):
self.requests_mock.post(
self.SHIB_CONSUMER_URL,
text='BODY',
headers={'location': self.FEDERATION_AUTH_URL},
status_code=303)
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER})
self.session.redirect = False
response = self.session.post(
self.SHIB_CONSUMER_URL, data='CLIENT BODY')
self.assertEqual(303, response.status_code)
self.assertEqual(self.FEDERATION_AUTH_URL,
response.headers['location'])
response = self.saml2plugin._handle_http_ecp_redirect(
self.session, response, 'GET')
self.assertEqual(self.FEDERATION_AUTH_URL, response.request.url)
self.assertEqual('GET', response.request.method)
def test_end_to_end_workflow(self):
self.requests_mock.get(
self.FEDERATION_AUTH_URL,
content=utils.make_oneline(saml2_fixtures.SP_SOAP_RESPONSE))
self.requests_mock.post(self.IDENTITY_PROVIDER_URL,
content=saml2_fixtures.SAML2_ASSERTION)
self.requests_mock.post(
self.SHIB_CONSUMER_URL,
json=saml2_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': saml2_fixtures.UNSCOPED_TOKEN_HEADER,
'Content-Type': 'application/json'})
self.session.redirect = False
response = self.saml2plugin.get_auth_ref(self.session)
self.assertEqual(saml2_fixtures.UNSCOPED_TOKEN_HEADER,
response.auth_token)
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