try: from urllib.parse import unquote, urlencode except ImportError: from urllib import unquote, urlencode import uuid from django.contrib.auth import REDIRECT_FIELD_NAME from django.contrib.auth.models import AnonymousUser from django.core.urlresolvers import reverse from django.test import RequestFactory from django.test import TestCase from oidc_provider import settings from oidc_provider.models import * from oidc_provider.tests.utils import * from oidc_provider.views import * class AuthorizationCodeFlowTestCase(TestCase): """ Test cases for Authorize Endpoint using Authorization Code Flow. """ def setUp(self): self.factory = RequestFactory() self.user = create_fake_user() self.client = create_fake_client(response_type='code') self.state = uuid.uuid4().hex def test_missing_parameters(self): """ If the request fails due to a missing, invalid, or mismatching redirection URI, or if the client identifier is missing or invalid, the authorization server SHOULD inform the resource owner of the error. See: https://tools.ietf.org/html/rfc6749#section-4.1.2.1 """ url = reverse('oidc_provider:authorize') request = self.factory.get(url) response = AuthorizeView.as_view()(request) self.assertEqual(response.status_code, 200) self.assertEqual(bool(response.content), True) def test_invalid_response_type(self): """ The OP informs the RP by using the Error Response parameters defined in Section 4.1.2.1 of OAuth 2.0. See: http://openid.net/specs/openid-connect-core-1_0.html#AuthError """ # Create an authorize request with an unsupported response_type. query_str = urlencode({ 'client_id': self.client.client_id, 'response_type': 'something_wrong', 'redirect_uri': self.client.default_redirect_uri, 'scope': 'openid email', 'state': self.state, }).replace('+', '%20') url = reverse('oidc_provider:authorize') + '?' + query_str request = self.factory.get(url) response = AuthorizeView.as_view()(request) self.assertEqual(response.status_code, 302) self.assertEqual(response.has_header('Location'), True) # Should be an 'error' component in query. query_exists = 'error=' in response['Location'] self.assertEqual(query_exists, True) def test_user_not_logged(self): """ The Authorization Server attempts to Authenticate the End-User by redirecting to the login view. See: http://openid.net/specs/openid-connect-core-1_0.html#Authenticates """ query_str = urlencode({ 'client_id': self.client.client_id, 'response_type': 'code', 'redirect_uri': self.client.default_redirect_uri, 'scope': 'openid email', 'state': self.state, }).replace('+', '%20') url = reverse('oidc_provider:authorize') + '?' + query_str request = self.factory.get(url) request.user = AnonymousUser() response = AuthorizeView.as_view()(request) # Check if user was redirected to the login view. login_url_exists = settings.get('LOGIN_URL') in response['Location'] self.assertEqual(login_url_exists, True) # Check if the login will redirect to a valid url. try: next_value = response['Location'].split(REDIRECT_FIELD_NAME + '=')[1] next_url = unquote(next_value) is_next_ok = next_url == url except: is_next_ok = False self.assertEqual(is_next_ok, True) def test_user_consent_inputs(self): """ Once the End-User is authenticated, the Authorization Server MUST obtain an authorization decision before releasing information to the Client. See: http://openid.net/specs/openid-connect-core-1_0.html#Consent """ query_str = urlencode({ 'client_id': self.client.client_id, 'response_type': 'code', 'redirect_uri': self.client.default_redirect_uri, 'scope': 'openid email', 'state': self.state, }).replace('+', '%20') url = reverse('oidc_provider:authorize') + '?' + query_str request = self.factory.get(url) # Simulate that the user is logged. request.user = self.user # Remove the hook, because we want to test default behaviour. OIDC_AFTER_USERLOGIN_HOOK = settings.default_settings.OIDC_AFTER_USERLOGIN_HOOK with self.settings( OIDC_AFTER_USERLOGIN_HOOK=OIDC_AFTER_USERLOGIN_HOOK): response = AuthorizeView.as_view()(request) # Check if hidden inputs exists in the form, # also if their values are valid. input_html = '' to_check = { 'client_id': self.client.client_id, 'redirect_uri': self.client.default_redirect_uri, 'response_type': 'code', } for key, value in iter(to_check.items()): is_input_ok = input_html.format(key, value) in response.content.decode('utf-8') self.assertEqual(is_input_ok, True, msg='Hidden input for "'+key+'" fails.') def test_user_consent_response(self): """ First, if the user denied the consent we must ensure that the error response parameters are added to the query component of the Redirection URI. Second, if the user allow the RP then the server MUST return the parameters defined in Section 4.1.2 of OAuth 2.0 [RFC6749] by adding them as query parameters to the redirect_uri. """ response_type = 'code' url = reverse('oidc_provider:authorize') post_data = { 'client_id': self.client.client_id, 'redirect_uri': self.client.default_redirect_uri, 'response_type': response_type, 'scope': 'openid email', 'state': self.state, } request = self.factory.post(url, data=post_data) # Simulate that the user is logged. request.user = self.user response = AuthorizeView.as_view()(request) # Because user doesn't allow app, SHOULD exists an error parameter # in the query. self.assertEqual('error=' in response['Location'], True, msg='error param is missing in query.') self.assertEqual('access_denied' in response['Location'], True, msg='"access_denied" code is missing in query.') # Simulate user authorization. post_data['allow'] = 'Accept' # Should be the value of the button. request = self.factory.post(url, data=post_data) # Simulate that the user is logged. request.user = self.user response = AuthorizeView.as_view()(request) is_code_ok = is_code_valid(url=response['Location'], user=self.user, client=self.client) self.assertEqual(is_code_ok, True, msg='Code returned is invalid.') # Check if the state is returned. state = (response['Location'].split('state='))[1].split('&')[0] self.assertEqual(state == self.state, True, msg='State change or is missing.') def test_user_consent_skipped(self): """ If users previously gave consent to some client (for a specific list of scopes) and because they might be prompted for the same authorization multiple times, the server skip it. """ post_data = { 'client_id': self.client.client_id, 'redirect_uri': self.client.default_redirect_uri, 'response_type': 'code', 'scope': 'openid email', 'state': self.state, 'allow': 'Accept', } request = self.factory.post(reverse('oidc_provider:authorize'), data=post_data) # Simulate that the user is logged. request.user = self.user response = AuthorizeView.as_view()(request) is_code_ok = is_code_valid(url=response['Location'], user=self.user, client=self.client) self.assertEqual(is_code_ok, True, msg='Code returned is invalid.') del post_data['allow'] query_str = urlencode(post_data).replace('+', '%20') url = reverse('oidc_provider:authorize') + '?' + query_str request = self.factory.get(url) # Simulate that the user is logged. request.user = self.user # Ensure user consent skip is enabled. OIDC_AFTER_USERLOGIN_HOOK = settings.default_settings.OIDC_AFTER_USERLOGIN_HOOK OIDC_SKIP_CONSENT_ENABLE = settings.default_settings.OIDC_SKIP_CONSENT_ENABLE with self.settings( OIDC_AFTER_USERLOGIN_HOOK=OIDC_AFTER_USERLOGIN_HOOK, OIDC_SKIP_CONSENT_ENABLE=OIDC_SKIP_CONSENT_ENABLE): response = AuthorizeView.as_view()(request) is_code_ok = is_code_valid(url=response['Location'], user=self.user, client=self.client) self.assertEqual(is_code_ok, True, msg='Code returned is invalid or missing.')