333 lines
12 KiB
Python
333 lines
12 KiB
Python
try:
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from urllib.parse import unquote, urlencode
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except ImportError:
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from urllib import unquote, urlencode
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import uuid
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from django.contrib.auth import REDIRECT_FIELD_NAME
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from django.contrib.auth.models import AnonymousUser
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from django.core.management import call_command
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from django.core.urlresolvers import reverse
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from django.test import RequestFactory
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from django.test import TestCase
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from oidc_provider import settings
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from oidc_provider.models import *
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from oidc_provider.tests.app.utils import *
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from oidc_provider.views import *
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class AuthorizationCodeFlowTestCase(TestCase):
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"""
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Test cases for Authorize Endpoint using Authorization Code Flow.
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"""
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def setUp(self):
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call_command('creatersakey')
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self.factory = RequestFactory()
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self.user = create_fake_user()
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self.client = create_fake_client(response_type='code')
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self.client_public = create_fake_client(response_type='code', is_public=True)
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self.client_implicit = create_fake_client(response_type='id_token token')
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self.state = uuid.uuid4().hex
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self.nonce = uuid.uuid4().hex
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def _auth_request(self, method, data={}, is_user_authenticated=False):
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url = reverse('oidc_provider:authorize')
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if method.lower() == 'get':
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query_str = urlencode(data).replace('+', '%20')
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if query_str:
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url += '?' + query_str
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request = self.factory.get(url)
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elif method.lower() == 'post':
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request = self.factory.post(url, data=data)
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else:
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raise Exception('Method unsupported for an Authorization Request.')
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# Simulate that the user is logged.
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request.user = self.user if is_user_authenticated else AnonymousUser()
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response = AuthorizeView.as_view()(request)
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return response
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def test_missing_parameters(self):
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"""
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If the request fails due to a missing, invalid, or mismatching
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redirection URI, or if the client identifier is missing or invalid,
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the authorization server SHOULD inform the resource owner of the error.
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See: https://tools.ietf.org/html/rfc6749#section-4.1.2.1
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"""
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response = self._auth_request('get')
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self.assertEqual(response.status_code, 200)
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self.assertEqual(bool(response.content), True)
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def test_invalid_response_type(self):
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"""
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The OP informs the RP by using the Error Response parameters defined
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in Section 4.1.2.1 of OAuth 2.0.
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See: http://openid.net/specs/openid-connect-core-1_0.html#AuthError
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"""
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# Create an authorize request with an unsupported response_type.
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data = {
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'client_id': self.client.client_id,
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'response_type': 'something_wrong',
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'redirect_uri': self.client.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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}
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response = self._auth_request('get', data)
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self.assertEqual(response.status_code, 302)
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self.assertEqual(response.has_header('Location'), True)
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# Should be an 'error' component in query.
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query_exists = 'error=' in response['Location']
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self.assertEqual(query_exists, True)
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def test_user_not_logged(self):
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"""
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The Authorization Server attempts to Authenticate the End-User by
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redirecting to the login view.
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See: http://openid.net/specs/openid-connect-core-1_0.html#Authenticates
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"""
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data = {
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'client_id': self.client.client_id,
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'response_type': 'code',
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'redirect_uri': self.client.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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}
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response = self._auth_request('get', data)
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# Check if user was redirected to the login view.
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login_url_exists = settings.get('LOGIN_URL') in response['Location']
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self.assertEqual(login_url_exists, True)
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def test_user_consent_inputs(self):
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"""
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Once the End-User is authenticated, the Authorization Server MUST
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obtain an authorization decision before releasing information to
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the Client.
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See: http://openid.net/specs/openid-connect-core-1_0.html#Consent
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"""
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data = {
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'client_id': self.client.client_id,
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'response_type': 'code',
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'redirect_uri': self.client.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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# PKCE parameters.
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'code_challenge': FAKE_CODE_CHALLENGE,
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'code_challenge_method': 'S256',
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}
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response = self._auth_request('get', data, is_user_authenticated=True)
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# Check if hidden inputs exists in the form,
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# also if their values are valid.
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input_html = '<input name="{0}" type="hidden" value="{1}" />'
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to_check = {
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'client_id': self.client.client_id,
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'redirect_uri': self.client.default_redirect_uri,
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'response_type': 'code',
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'code_challenge': FAKE_CODE_CHALLENGE,
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'code_challenge_method': 'S256',
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}
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for key, value in iter(to_check.items()):
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is_input_ok = input_html.format(key, value) in response.content.decode('utf-8')
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self.assertEqual(is_input_ok, True,
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msg='Hidden input for "'+key+'" fails.')
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def test_user_consent_response(self):
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"""
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First,
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if the user denied the consent we must ensure that
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the error response parameters are added to the query component
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of the Redirection URI.
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Second,
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if the user allow the RP then the server MUST return
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the parameters defined in Section 4.1.2 of OAuth 2.0 [RFC6749]
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by adding them as query parameters to the redirect_uri.
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"""
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data = {
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'client_id': self.client.client_id,
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'redirect_uri': self.client.default_redirect_uri,
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'response_type': 'code',
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'scope': 'openid email',
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'state': self.state,
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# PKCE parameters.
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'code_challenge': FAKE_CODE_CHALLENGE,
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'code_challenge_method': 'S256',
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}
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response = self._auth_request('post', data, is_user_authenticated=True)
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# Because user doesn't allow app, SHOULD exists an error parameter
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# in the query.
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self.assertEqual('error=' in response['Location'], True,
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msg='error param is missing in query.')
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self.assertEqual('access_denied' in response['Location'], True,
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msg='"access_denied" code is missing in query.')
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# Simulate user authorization.
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data['allow'] = 'Accept' # Will be the value of the button.
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response = self._auth_request('post', data, is_user_authenticated=True)
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is_code_ok = is_code_valid(url=response['Location'],
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user=self.user,
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client=self.client)
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self.assertEqual(is_code_ok, True,
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msg='Code returned is invalid.')
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# Check if the state is returned.
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state = (response['Location'].split('state='))[1].split('&')[0]
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self.assertEqual(state == self.state, True,
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msg='State change or is missing.')
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def test_user_consent_skipped(self):
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"""
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If users previously gave consent to some client (for a specific
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list of scopes) and because they might be prompted for the same
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authorization multiple times, the server skip it.
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"""
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data = {
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'client_id': self.client.client_id,
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'redirect_uri': self.client.default_redirect_uri,
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'response_type': 'code',
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'scope': 'openid email',
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'state': self.state,
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'allow': 'Accept',
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}
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request = self.factory.post(reverse('oidc_provider:authorize'),
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data=data)
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# Simulate that the user is logged.
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request.user = self.user
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with self.settings(OIDC_SKIP_CONSENT_ALWAYS=True):
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response = self._auth_request('post', data, is_user_authenticated=True)
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self.assertEqual('code' in response['Location'], True,
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msg='Code is missing in the returned url.')
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response = self._auth_request('post', data, is_user_authenticated=True)
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is_code_ok = is_code_valid(url=response['Location'],
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user=self.user,
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client=self.client)
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self.assertEqual(is_code_ok, True, msg='Code returned is invalid.')
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del data['allow']
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response = self._auth_request('get', data, is_user_authenticated=True)
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is_code_ok = is_code_valid(url=response['Location'],
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user=self.user,
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client=self.client)
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self.assertEqual(is_code_ok, True, msg='Code returned is invalid or missing.')
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def test_response_uri_is_properly_constructed(self):
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data = {
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'client_id': self.client.client_id,
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'redirect_uri': self.client.default_redirect_uri + "?redirect_state=xyz",
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'response_type': 'code',
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'scope': 'openid email',
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'state': self.state,
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'allow': 'Accept',
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}
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response = self._auth_request('post', data, is_user_authenticated=True)
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# TODO
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def test_public_client_auto_approval(self):
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"""
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It's recommended not auto-approving requests for non-confidential clients.
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"""
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data = {
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'client_id': self.client_public.client_id,
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'response_type': 'code',
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'redirect_uri': self.client_public.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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}
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with self.settings(OIDC_SKIP_CONSENT_ALWAYS=True):
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response = self._auth_request('get', data, is_user_authenticated=True)
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self.assertEqual('Request for Permission' in response.content.decode('utf-8'), True)
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def test_implicit_missing_nonce(self):
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"""
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The `nonce` parameter is REQUIRED if you use the Implicit Flow.
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"""
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data = {
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'client_id': self.client_implicit.client_id,
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'response_type': self.client_implicit.response_type,
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'redirect_uri': self.client_implicit.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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}
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response = self._auth_request('get', data, is_user_authenticated=True)
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self.assertEqual('#error=invalid_request' in response['Location'], True)
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def test_implicit_access_token_response(self):
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"""
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Unlike the Authorization Code flow, in which the client makes
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separate requests for authorization and for an access token, the client
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receives the access token as the result of the authorization request.
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"""
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data = {
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'client_id': self.client_implicit.client_id,
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'redirect_uri': self.client_implicit.default_redirect_uri,
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'response_type': self.client_implicit.response_type,
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'scope': 'openid email',
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'state': self.state,
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'nonce': self.nonce,
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'allow': 'Accept',
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}
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response = self._auth_request('post', data, is_user_authenticated=True)
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self.assertEqual('access_token' in response['Location'], True)
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def test_prompt_parameter(self):
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"""
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Specifies whether the Authorization Server prompts the End-User for reauthentication and consent.
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See: http://openid.net/specs/openid-connect-core-1_0.html#AuthRequest
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"""
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data = {
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'client_id': self.client.client_id,
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'response_type': self.client.response_type,
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'redirect_uri': self.client.default_redirect_uri,
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'scope': 'openid email',
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'state': self.state,
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}
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data['prompt'] = 'none'
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response = self._auth_request('get', data)
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# An error is returned if an End-User is not already authenticated.
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self.assertEqual('login_required' in response['Location'], True)
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response = self._auth_request('get', data, is_user_authenticated=True)
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# An error is returned if the Client does not have pre-configured consent for the requested Claims.
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self.assertEqual('interaction_required' in response['Location'], True)
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