Alvaro Lopez Garcia e5fd66ca35 oidc: implement client_credentials grant type
Change-Id: If1538726cb7e4cb87fad82c5daf50c67b161b52d
2016-07-20 09:59:05 +02:00

403 lines
16 KiB
Python

# 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
import warnings
from six.moves import urllib
from keystoneauth1 import exceptions
from keystoneauth1.identity.v3 import oidc
from keystoneauth1 import session
from keystoneauth1.tests.unit import oidc_fixtures
from keystoneauth1.tests.unit import utils
KEYSTONE_TOKEN_VALUE = uuid.uuid4().hex
class BaseOIDCTests(object):
def setUp(self):
super(BaseOIDCTests, self).setUp()
self.session = session.Session()
self.AUTH_URL = 'http://keystone:5000/v3'
self.IDENTITY_PROVIDER = 'bluepages'
self.PROTOCOL = 'oidc'
self.USER_NAME = 'oidc_user@example.com'
self.PROJECT_NAME = 'foo project'
self.PASSWORD = uuid.uuid4().hex
self.CLIENT_ID = uuid.uuid4().hex
self.CLIENT_SECRET = uuid.uuid4().hex
self.ACCESS_TOKEN = uuid.uuid4().hex
self.ACCESS_TOKEN_ENDPOINT = 'https://localhost:8020/oidc/token'
self.FEDERATION_AUTH_URL = '%s/%s' % (
self.AUTH_URL,
'OS-FEDERATION/identity_providers/bluepages/protocols/oidc/auth')
self.REDIRECT_URL = 'urn:ietf:wg:oauth:2.0:oob'
self.CODE = '4/M9TNz2G9WVwYxSjx0w9AgA1bOmryJltQvOhQMq0czJs.cnLNVAfqwG'
self.DISCOVERY_URL = ('https://localhost:8020/oidc/.well-known/'
'openid-configuration')
self.GRANT_TYPE = None
def test_grant_type_and_plugin_missmatch(self):
self.assertRaises(
exceptions.OidcGrantTypeMissmatch,
self.plugin.__class__,
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
grant_type=uuid.uuid4().hex
)
def test_can_pass_grant_type_but_warning_is_issued(self):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
self.plugin.__class__(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
grant_type=self.GRANT_TYPE)
assert len(w) == 1
assert issubclass(w[-1].category, DeprecationWarning)
assert "grant_type" in str(w[-1].message)
def test_discovery_not_found(self):
self.requests_mock.get("http://not.found",
status_code=404)
plugin = self.plugin.__class__(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
discovery_endpoint="http://not.found")
self.assertRaises(exceptions.http.NotFound,
plugin._get_discovery_document,
self.session)
def test_no_discovery(self):
plugin = self.plugin.__class__(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
access_token_endpoint=self.ACCESS_TOKEN_ENDPOINT,
)
self.assertEqual(self.ACCESS_TOKEN_ENDPOINT,
plugin.access_token_endpoint)
def test_load_discovery(self):
self.requests_mock.get(self.DISCOVERY_URL,
json=oidc_fixtures.DISCOVERY_DOCUMENT)
plugin = self.plugin.__class__(self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
discovery_endpoint=self.DISCOVERY_URL)
self.assertEqual(
oidc_fixtures.DISCOVERY_DOCUMENT["token_endpoint"],
plugin._get_access_token_endpoint(self.session)
)
def test_no_access_token_endpoint(self):
plugin = self.plugin.__class__(self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET)
self.assertRaises(exceptions.OidcAccessTokenEndpointNotFound,
plugin._get_access_token_endpoint,
self.session)
def test_invalid_discovery_document(self):
self.requests_mock.get(self.DISCOVERY_URL,
json={})
plugin = self.plugin.__class__(self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
discovery_endpoint=self.DISCOVERY_URL)
self.assertRaises(exceptions.InvalidOidcDiscoveryDocument,
plugin._get_discovery_document,
self.session)
def test_load_discovery_override_by_endpoints(self):
self.requests_mock.get(self.DISCOVERY_URL,
json=oidc_fixtures.DISCOVERY_DOCUMENT)
access_token_endpoint = uuid.uuid4().hex
plugin = self.plugin.__class__(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
discovery_endpoint=self.DISCOVERY_URL,
access_token_endpoint=access_token_endpoint
)
self.assertEqual(access_token_endpoint,
plugin._get_access_token_endpoint(self.session))
def test_wrong_grant_type(self):
self.requests_mock.get(self.DISCOVERY_URL,
json={"grant_types_supported": ["foo", "bar"]})
plugin = self.plugin.__class__(self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
discovery_endpoint=self.DISCOVERY_URL)
self.assertRaises(exceptions.OidcPluginNotSupported,
plugin.get_unscoped_auth_ref,
self.session)
class OIDCClientCredentialsTests(BaseOIDCTests, utils.TestCase):
def setUp(self):
super(OIDCClientCredentialsTests, self).setUp()
self.GRANT_TYPE = 'client_credentials'
self.plugin = oidc.OidcClientCredentials(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
access_token_endpoint=self.ACCESS_TOKEN_ENDPOINT,
project_name=self.PROJECT_NAME)
def test_initial_call_to_get_access_token(self):
"""Test initial call, expect JSON access token."""
# Mock the output that creates the access token
self.requests_mock.post(
self.ACCESS_TOKEN_ENDPOINT,
json=oidc_fixtures.ACCESS_TOKEN_VIA_PASSWORD_RESP)
# Prep all the values and send the request
scope = 'profile email'
payload = {'grant_type': self.GRANT_TYPE, 'scope': scope}
self.plugin._get_access_token(self.session, payload)
# Verify the request matches the expected structure
last_req = self.requests_mock.last_request
self.assertEqual(self.ACCESS_TOKEN_ENDPOINT, last_req.url)
self.assertEqual('POST', last_req.method)
encoded_payload = urllib.parse.urlencode(payload)
self.assertEqual(encoded_payload, last_req.body)
def test_second_call_to_protected_url(self):
"""Test subsequent call, expect Keystone token."""
# Mock the output that creates the keystone token
self.requests_mock.post(
self.FEDERATION_AUTH_URL,
json=oidc_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': KEYSTONE_TOKEN_VALUE})
res = self.plugin._get_keystone_token(self.session,
self.ACCESS_TOKEN)
# Verify the request matches the expected structure
self.assertEqual(self.FEDERATION_AUTH_URL, res.request.url)
self.assertEqual('POST', res.request.method)
headers = {'Authorization': 'Bearer ' + self.ACCESS_TOKEN}
self.assertEqual(headers['Authorization'],
res.request.headers['Authorization'])
def test_end_to_end_workflow(self):
"""Test full OpenID Connect workflow."""
# Mock the output that creates the access token
self.requests_mock.post(
self.ACCESS_TOKEN_ENDPOINT,
json=oidc_fixtures.ACCESS_TOKEN_VIA_PASSWORD_RESP)
# Mock the output that creates the keystone token
self.requests_mock.post(
self.FEDERATION_AUTH_URL,
json=oidc_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': KEYSTONE_TOKEN_VALUE})
response = self.plugin.get_unscoped_auth_ref(self.session)
self.assertEqual(KEYSTONE_TOKEN_VALUE, response.auth_token)
class OIDCPasswordTests(BaseOIDCTests, utils.TestCase):
def setUp(self):
super(OIDCPasswordTests, self).setUp()
self.GRANT_TYPE = 'password'
self.plugin = oidc.OidcPassword(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
access_token_endpoint=self.ACCESS_TOKEN_ENDPOINT,
project_name=self.PROJECT_NAME,
username=self.USER_NAME,
password=self.PASSWORD)
def test_initial_call_to_get_access_token(self):
"""Test initial call, expect JSON access token."""
# Mock the output that creates the access token
self.requests_mock.post(
self.ACCESS_TOKEN_ENDPOINT,
json=oidc_fixtures.ACCESS_TOKEN_VIA_PASSWORD_RESP)
# Prep all the values and send the request
grant_type = 'password'
scope = 'profile email'
payload = {'grant_type': grant_type, 'username': self.USER_NAME,
'password': self.PASSWORD, 'scope': scope}
self.plugin._get_access_token(self.session, payload)
# Verify the request matches the expected structure
last_req = self.requests_mock.last_request
self.assertEqual(self.ACCESS_TOKEN_ENDPOINT, last_req.url)
self.assertEqual('POST', last_req.method)
encoded_payload = urllib.parse.urlencode(payload)
self.assertEqual(encoded_payload, last_req.body)
def test_second_call_to_protected_url(self):
"""Test subsequent call, expect Keystone token."""
# Mock the output that creates the keystone token
self.requests_mock.post(
self.FEDERATION_AUTH_URL,
json=oidc_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': KEYSTONE_TOKEN_VALUE})
res = self.plugin._get_keystone_token(self.session,
self.ACCESS_TOKEN)
# Verify the request matches the expected structure
self.assertEqual(self.FEDERATION_AUTH_URL, res.request.url)
self.assertEqual('POST', res.request.method)
headers = {'Authorization': 'Bearer ' + self.ACCESS_TOKEN}
self.assertEqual(headers['Authorization'],
res.request.headers['Authorization'])
def test_end_to_end_workflow(self):
"""Test full OpenID Connect workflow."""
# Mock the output that creates the access token
self.requests_mock.post(
self.ACCESS_TOKEN_ENDPOINT,
json=oidc_fixtures.ACCESS_TOKEN_VIA_PASSWORD_RESP)
# Mock the output that creates the keystone token
self.requests_mock.post(
self.FEDERATION_AUTH_URL,
json=oidc_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': KEYSTONE_TOKEN_VALUE})
response = self.plugin.get_unscoped_auth_ref(self.session)
self.assertEqual(KEYSTONE_TOKEN_VALUE, response.auth_token)
class OIDCAuthorizationGrantTests(BaseOIDCTests, utils.TestCase):
def setUp(self):
super(OIDCAuthorizationGrantTests, self).setUp()
self.GRANT_TYPE = 'authorization_code'
self.plugin = oidc.OidcAuthorizationCode(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
client_id=self.CLIENT_ID,
client_secret=self.CLIENT_SECRET,
access_token_endpoint=self.ACCESS_TOKEN_ENDPOINT,
redirect_uri=self.REDIRECT_URL,
project_name=self.PROJECT_NAME,
code=self.CODE)
def test_initial_call_to_get_access_token(self):
"""Test initial call, expect JSON access token."""
# Mock the output that creates the access token
self.requests_mock.post(
self.ACCESS_TOKEN_ENDPOINT,
json=oidc_fixtures.ACCESS_TOKEN_VIA_AUTH_GRANT_RESP)
# Prep all the values and send the request
grant_type = 'authorization_code'
payload = {'grant_type': grant_type,
'redirect_uri': self.REDIRECT_URL,
'code': self.CODE}
self.plugin._get_access_token(self.session, payload)
# Verify the request matches the expected structure
last_req = self.requests_mock.last_request
self.assertEqual(self.ACCESS_TOKEN_ENDPOINT, last_req.url)
self.assertEqual('POST', last_req.method)
encoded_payload = urllib.parse.urlencode(payload)
self.assertEqual(encoded_payload, last_req.body)
# NOTE(aloga): This is a special case, as we do not need all the other openid
# parameters, like client_id, client_secret, access_token_endpoint and so on,
# therefore we do not inherit from the base oidc test class, but from the base
# TestCase
class OIDCTokenTests(utils.TestCase):
def setUp(self):
super(OIDCTokenTests, self).setUp()
self.session = session.Session()
self.AUTH_URL = 'http://keystone:5000/v3'
self.IDENTITY_PROVIDER = 'bluepages'
self.PROTOCOL = 'oidc'
self.PROJECT_NAME = 'foo project'
self.ACCESS_TOKEN = uuid.uuid4().hex
self.FEDERATION_AUTH_URL = '%s/%s' % (
self.AUTH_URL,
'OS-FEDERATION/identity_providers/bluepages/protocols/oidc/auth')
self.plugin = oidc.OidcAccessToken(
self.AUTH_URL,
self.IDENTITY_PROVIDER,
self.PROTOCOL,
access_token=self.ACCESS_TOKEN,
project_name=self.PROJECT_NAME)
def test_end_to_end_workflow(self):
"""Test full OpenID Connect workflow."""
# Mock the output that creates the keystone token
self.requests_mock.post(
self.FEDERATION_AUTH_URL,
json=oidc_fixtures.UNSCOPED_TOKEN,
headers={'X-Subject-Token': KEYSTONE_TOKEN_VALUE})
response = self.plugin.get_unscoped_auth_ref(self.session)
self.assertEqual(KEYSTONE_TOKEN_VALUE, response.auth_token)