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oidc error on init logs error; oidc re-inits on request if in error state

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David Kennedy 2024-02-09 08:35:30 -05:00
parent d4c47cc365
commit 1df7dc48df
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2 changed files with 46 additions and 24 deletions
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24
src/djangooidc/tests/test_views.py
View file

@ -82,14 +82,14 @@ class ViewsTest(TestCase):
# mock
mock_client.callback.side_effect = self.user_info
# test
with patch("djangooidc.views.requires_step_up_auth", return_value=False), less_console_noise():
with patch("djangooidc.views._requires_step_up_auth", return_value=False), less_console_noise():
response = self.client.get(reverse("openid_login_callback"))
# assert
self.assertEqual(response.status_code, 302)
self.assertEqual(response.url, reverse("logout"))
def test_login_callback_no_step_up_auth(self, mock_client):
"""Walk through login_callback when requires_step_up_auth returns False
"""Walk through login_callback when _requires_step_up_auth returns False
and assert that we have a redirect to /"""
with less_console_noise():
# setup
@ -98,14 +98,14 @@ class ViewsTest(TestCase):
# mock
mock_client.callback.side_effect = self.user_info
# test
with patch("djangooidc.views.requires_step_up_auth", return_value=False), less_console_noise():
with patch("djangooidc.views._requires_step_up_auth", return_value=False), less_console_noise():
response = self.client.get(reverse("openid_login_callback"))
# assert
self.assertEqual(response.status_code, 302)
self.assertEqual(response.url, "/")
def test_requires_step_up_auth(self, mock_client):
"""Invoke login_callback passing it a request when requires_step_up_auth returns True
"""Invoke login_callback passing it a request when _requires_step_up_auth returns True
and assert that session is updated and create_authn_request (mock) is called."""
with less_console_noise():
# Configure the mock to return an expected value for get_step_up_acr_value
@ -114,12 +114,12 @@ class ViewsTest(TestCase):
request = self.factory.get("/some-url")
request.session = {"acr_value": ""}
# Ensure that the CLIENT instance used in login_callback is the mock
# patch requires_step_up_auth to return True
with patch("djangooidc.views.requires_step_up_auth", return_value=True), patch(
# patch _requires_step_up_auth to return True
with patch("djangooidc.views._requires_step_up_auth", return_value=True), patch(
"djangooidc.views.CLIENT.create_authn_request", return_value=MagicMock()
) as mock_create_authn_request:
login_callback(request)
# create_authn_request only gets called when requires_step_up_auth is True
# create_authn_request only gets called when _requires_step_up_auth is True
# and it changes this acr_value in request.session
# Assert that acr_value is no longer empty string
self.assertNotEqual(request.session["acr_value"], "")
@ -127,7 +127,7 @@ class ViewsTest(TestCase):
mock_create_authn_request.assert_called_once()
def test_does_not_requires_step_up_auth(self, mock_client):
"""Invoke login_callback passing it a request when requires_step_up_auth returns False
"""Invoke login_callback passing it a request when _requires_step_up_auth returns False
and assert that session is not updated and create_authn_request (mock) is not called.
Possibly redundant with test_login_callback_requires_step_up_auth"""
@ -136,12 +136,12 @@ class ViewsTest(TestCase):
request = self.factory.get("/some-url")
request.session = {"acr_value": ""}
# Ensure that the CLIENT instance used in login_callback is the mock
# patch requires_step_up_auth to return False
with patch("djangooidc.views.requires_step_up_auth", return_value=False), patch(
# patch _requires_step_up_auth to return False
with patch("djangooidc.views._requires_step_up_auth", return_value=False), patch(
"djangooidc.views.CLIENT.create_authn_request", return_value=MagicMock()
) as mock_create_authn_request:
login_callback(request)
# create_authn_request only gets called when requires_step_up_auth is True
# create_authn_request only gets called when _requires_step_up_auth is True
# and it changes this acr_value in request.session
# Assert that acr_value is NOT updated by testing that it is still an empty string
self.assertEqual(request.session["acr_value"], "")
@ -155,7 +155,7 @@ class ViewsTest(TestCase):
mock_client.callback.side_effect = self.user_info
mock_auth.return_value = None
# test
with patch("djangooidc.views.requires_step_up_auth", return_value=False), less_console_noise():
with patch("djangooidc.views._requires_step_up_auth", return_value=False), less_console_noise():
response = self.client.get(reverse("openid_login_callback"))
# assert
self.assertEqual(response.status_code, 401)

46
src/djangooidc/views.py
View file

@ -15,15 +15,28 @@ from registrar.models import User
logger = logging.getLogger(__name__)
try:
CLIENT = None
def _initialize_client():
"""Initialize the OIDC client. Exceptions are allowed to raise
and will need to be caught."""
global CLIENT
# Initialize provider using pyOICD
OP = getattr(settings, "OIDC_ACTIVE_PROVIDER")
CLIENT = Client(OP)
logger.debug("client initialized %s" % CLIENT)
logger.debug("Client initialized: %s" % CLIENT)
# Initialize CLIENT
try:
_initialize_client()
except Exception as err:
CLIENT = None # type: ignore
logger.warning(err)
logger.warning("Unable to configure OpenID Connect provider. Users cannot log in.")
# In the event of an exception, log the error and allow the app load to continue
# without the OIDC Client. Subsequent login attempts will attempt to initialize
# again if Client is None
logger.error(err)
logger.error("Unable to configure OpenID Connect provider. Users cannot log in.")
def error_page(request, error):
@ -55,12 +68,14 @@ def error_page(request, error):
def openid(request):
"""Redirect the user to an authentication provider (OP)."""
# If the session reset because of a server restart, attempt to login again
request.session["acr_value"] = CLIENT.get_default_acr_value()
request.session["next"] = request.GET.get("next", "/")
global CLIENT
try:
# If the CLIENT is none, attempt to reinitialize before handling the request
if CLIENT is None:
_initialize_client()
request.session["acr_value"] = CLIENT.get_default_acr_value()
request.session["next"] = request.GET.get("next", "/")
# Create the authentication request
return CLIENT.create_authn_request(request.session)
except Exception as err:
return error_page(request, err)
@ -68,12 +83,16 @@ def openid(request):
def login_callback(request):
"""Analyze the token returned by the authentication provider (OP)."""
global CLIENT
try:
# If the CLIENT is none, attempt to reinitialize before handling the request
if CLIENT is None:
_initialize_client()
query = parse_qs(request.GET.urlencode())
userinfo = CLIENT.callback(query, request.session)
# test for need for identity verification and if it is satisfied
# if not satisfied, redirect user to login with stepped up acr_value
if requires_step_up_auth(userinfo):
if _requires_step_up_auth(userinfo):
# add acr_value to request.session
request.session["acr_value"] = CLIENT.get_step_up_acr_value()
return CLIENT.create_authn_request(request.session)
@ -86,13 +105,16 @@ def login_callback(request):
else:
raise o_e.BannedUser()
except o_e.NoStateDefined as nsd_err:
# In the event that a user is in the middle of a login when the app is restarted,
# their session state will no longer be available, so redirect the user to the
# beginning of login process without raising an error to the user.
logger.warning(f"No State Defined: {nsd_err}")
return redirect(request.session.get("next", "/"))
except Exception as err:
return error_page(request, err)
def requires_step_up_auth(userinfo):
def _requires_step_up_auth(userinfo):
"""if User.needs_identity_verification and step_up_acr_value not in
ial returned from callback, return True"""
step_up_acr_value = CLIENT.get_step_up_acr_value()