flows: replace passbook_flows:denied with AccessDenied Reeponse

This commit is contained in:
Jens Langhammer 2020-09-15 09:54:19 +02:00
parent 92f79eb30e
commit 3e13c13619
8 changed files with 101 additions and 85 deletions

View file

@ -1,16 +1,19 @@
"""flow views tests"""
from unittest.mock import MagicMock, PropertyMock, patch
from django.http import HttpRequest, HttpResponse
from django.shortcuts import reverse
from django.test import Client, TestCase
from django.utils.encoding import force_str
from passbook.flows.exceptions import EmptyFlowException, FlowNonApplicableException
from passbook.flows.markers import ReevaluateMarker, StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import FlowPlan
from passbook.flows.views import NEXT_ARG_NAME, SESSION_KEY_PLAN
from passbook.lib.config import CONFIG
from passbook.policies.dummy.models import DummyPolicy
from passbook.policies.http import AccessDeniedResponse
from passbook.policies.models import PolicyBinding
from passbook.policies.types import PolicyResult
from passbook.stages.dummy.models import DummyStage
@ -19,6 +22,15 @@ POLICY_RETURN_FALSE = PropertyMock(return_value=PolicyResult(False))
POLICY_RETURN_TRUE = MagicMock(return_value=PolicyResult(True))
def to_stage_response(request: HttpRequest, source: HttpResponse):
"""Mock for to_stage_response that returns the original response, so we can check
inheritance and member attributes"""
return source
TO_STAGE_RESPONSE_MOCK = MagicMock(side_effect=to_stage_response)
class TestFlowExecutor(TestCase):
"""Test views logic"""
@ -50,6 +62,9 @@ class TestFlowExecutor(TestCase):
self.assertEqual(response.status_code, 200)
self.assertEqual(cancel_mock.call_count, 2)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
@patch(
"passbook.policies.engine.PolicyEngine.result", POLICY_RETURN_FALSE,
)
@ -66,11 +81,12 @@ class TestFlowExecutor(TestCase):
reverse("passbook_flows:flow-executor", kwargs={"flow_slug": flow.slug}),
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
self.assertInHTML(FlowNonApplicableException.__doc__, response.rendered_content)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_invalid_empty_flow(self):
"""Tests that an empty flow returns the correct error message"""
flow = Flow.objects.create(
@ -84,10 +100,8 @@ class TestFlowExecutor(TestCase):
reverse("passbook_flows:flow-executor", kwargs={"flow_slug": flow.slug}),
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
self.assertInHTML(EmptyFlowException.__doc__, response.rendered_content)
def test_invalid_flow_redirect(self):
"""Tests that an invalid flow still redirects"""
@ -101,8 +115,10 @@ class TestFlowExecutor(TestCase):
dest = "/unique-string"
url = reverse("passbook_flows:flow-executor", kwargs={"flow_slug": flow.slug})
response = self.client.get(url + f"?{NEXT_ARG_NAME}={dest}")
self.assertEqual(response.status_code, 302)
self.assertEqual(response.url, dest)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content), {"type": "redirect", "to": dest},
)
def test_multi_stage_flow(self):
"""Test a full flow with multiple stages"""

View file

@ -6,12 +6,10 @@ from passbook.flows.views import (
CancelView,
FlowExecutorShellView,
FlowExecutorView,
FlowPermissionDeniedView,
ToDefaultFlow,
)
urlpatterns = [
path("-/denied/", FlowPermissionDeniedView.as_view(), name="denied"),
path(
"-/default/authentication/",
ToDefaultFlow.as_view(designation=FlowDesignation.AUTHENTICATION),

View file

@ -9,10 +9,9 @@ from django.http import (
HttpResponseRedirect,
JsonResponse,
)
from django.shortcuts import get_object_or_404, redirect, render, reverse
from django.shortcuts import get_object_or_404, redirect, reverse
from django.template.response import TemplateResponse
from django.utils.decorators import method_decorator
from django.utils.translation import gettext as _
from django.views.decorators.clickjacking import xframe_options_sameorigin
from django.views.generic import TemplateView, View
from structlog import get_logger
@ -24,6 +23,7 @@ from passbook.flows.models import Flow, FlowDesignation, Stage
from passbook.flows.planner import FlowPlan, FlowPlanner
from passbook.lib.utils.reflection import class_to_path
from passbook.lib.utils.urls import is_url_absolute, redirect_with_qs
from passbook.policies.http import AccessDeniedResponse
LOGGER = get_logger()
# Argument used to redirect user after login
@ -31,8 +31,6 @@ NEXT_ARG_NAME = "next"
SESSION_KEY_PLAN = "passbook_flows_plan"
SESSION_KEY_APPLICATION_PRE = "passbook_flows_application_pre"
SESSION_KEY_GET = "passbook_flows_get"
SESSION_KEY_DENIED_ERROR = "passbook_flows_denied_error"
SESSION_KEY_DENIED_POLICY_RESULT = "passbook_flows_denied_policy_result"
@method_decorator(xframe_options_sameorigin, name="dispatch")
@ -56,9 +54,7 @@ class FlowExecutorView(View):
LOGGER.debug("f(exec): Redirecting to next on fail")
return redirect(self.request.GET.get(NEXT_ARG_NAME))
message = exc.__doc__ if exc.__doc__ else str(exc)
return to_stage_response(
self.request, self.stage_invalid(error_message=message)
)
return self.stage_invalid(error_message=message)
def dispatch(self, request: HttpRequest, flow_slug: str) -> HttpResponse:
# Early check if theres an active Plan for the current session
@ -83,10 +79,10 @@ class FlowExecutorView(View):
self.plan = self._initiate_plan()
except FlowNonApplicableException as exc:
LOGGER.warning("f(exec): Flow not applicable to current user", exc=exc)
return self.handle_invalid_flow(exc)
return to_stage_response(self.request, self.handle_invalid_flow(exc))
except EmptyFlowException as exc:
LOGGER.warning("f(exec): Flow is empty", exc=exc)
return self.handle_invalid_flow(exc)
return to_stage_response(self.request, self.handle_invalid_flow(exc))
# We don't save the Plan after getting the next stage
# as it hasn't been successfully passed yet
next_stage = self.plan.next()
@ -119,14 +115,7 @@ class FlowExecutorView(View):
return to_stage_response(request, stage_response)
except Exception as exc: # pylint: disable=broad-except
LOGGER.exception(exc)
return to_stage_response(
request,
render(
request,
"flows/error.html",
{"error": exc, "tb": "".join(format_tb(exc.__traceback__))},
),
)
return to_stage_response(request, FlowErrorResponse(request, exc))
def post(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
"""pass post request to current stage"""
@ -141,14 +130,7 @@ class FlowExecutorView(View):
return to_stage_response(request, stage_response)
except Exception as exc: # pylint: disable=broad-except
LOGGER.exception(exc)
return to_stage_response(
request,
render(
request,
"flows/error.html",
{"error": exc, "tb": "".join(format_tb(exc.__traceback__))},
),
)
return to_stage_response(request, FlowErrorResponse(request, exc))
def _initiate_plan(self) -> FlowPlan:
planner = FlowPlanner(self.flow)
@ -205,12 +187,9 @@ class FlowExecutorView(View):
is a superuser."""
LOGGER.debug("f(exec): Stage invalid", flow_slug=self.flow.slug)
self.cancel()
if self.request.user and self.request.user.is_authenticated:
if self.request.user.is_superuser or self.request.user.attributes.get(
PASSBOOK_USER_DEBUG, False
):
self.request.session[SESSION_KEY_DENIED_ERROR] = error_message
return redirect_with_qs("passbook_flows:denied", self.request.GET)
response = AccessDeniedResponse(self.request)
response.error_message = error_message
return response
def cancel(self):
"""Cancel current execution and return a redirect"""
@ -224,21 +203,30 @@ class FlowExecutorView(View):
del self.request.session[key]
class FlowPermissionDeniedView(TemplateView):
"""User could not be authenticated"""
class FlowErrorResponse(TemplateResponse):
"""Response class when an unhandled error occurs during a stage. Normal users
are shown an error message, superusers are shown a full stacktrace."""
template_name = "flows/denied.html"
title = _("Permission denied.")
error: Exception
def get_context_data(self, **kwargs):
kwargs["title"] = self.title
if SESSION_KEY_DENIED_ERROR in self.request.session:
kwargs["error"] = self.request.session[SESSION_KEY_DENIED_ERROR]
if SESSION_KEY_DENIED_POLICY_RESULT in self.request.session:
kwargs["policy_result"] = self.request.session[
SESSION_KEY_DENIED_POLICY_RESULT
]
return super().get_context_data(**kwargs)
def __init__(self, request: HttpRequest, error: Exception) -> None:
# For some reason pyright complains about keyword argument usage here
# pyright: reportGeneralTypeIssues=false
super().__init__(request=request, template="flows/error.html")
self.error = error
def resolve_context(
self, context: Optional[Dict[str, Any]]
) -> Optional[Dict[str, Any]]:
if not context:
context = {}
context["error"] = self.error
if self._request.user and self._request.user.is_authenticated:
if self._request.user.is_superuser or self._request.user.attributes.get(
PASSBOOK_USER_DEBUG, False
):
context["tb"] = "".join(format_tb(self.error.__traceback__))
return context
class FlowExecutorShellView(TemplateView):

View file

@ -10,7 +10,9 @@ from passbook.core.models import User
from passbook.flows.markers import StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from passbook.flows.tests.test_views import TO_STAGE_RESPONSE_MOCK
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.policies.http import AccessDeniedResponse
from passbook.stages.invitation.forms import InvitationStageForm
from passbook.stages.invitation.models import Invitation, InvitationStage
from passbook.stages.invitation.stage import INVITATION_TOKEN_KEY, PLAN_CONTEXT_PROMPT
@ -38,6 +40,9 @@ class TestUserLoginStage(TestCase):
data = {"name": "test"}
self.assertEqual(InvitationStageForm(data).is_valid(), True)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_without_invitation_fail(self):
"""Test without any invitation, continue_flow_without_invitation not set."""
plan = FlowPlan(
@ -56,12 +61,8 @@ class TestUserLoginStage(TestCase):
"passbook_flows:flow-executor", kwargs={"flow_slug": self.flow.slug}
)
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
def test_without_invitation_continue(self):
"""Test without any invitation, continue_flow_without_invitation is set."""

View file

@ -12,7 +12,9 @@ from passbook.core.models import User
from passbook.flows.markers import StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from passbook.flows.tests.test_views import TO_STAGE_RESPONSE_MOCK
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.policies.http import AccessDeniedResponse
from passbook.stages.password.models import PasswordStage
MOCK_BACKEND_AUTHENTICATE = MagicMock(side_effect=PermissionDenied("test"))
@ -42,6 +44,9 @@ class TestPasswordStage(TestCase):
)
FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_without_user(self):
"""Test without user"""
plan = FlowPlan(
@ -60,10 +65,7 @@ class TestPasswordStage(TestCase):
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
def test_recovery_flow_link(self):
"""Test link to the default recovery flow"""
@ -129,6 +131,9 @@ class TestPasswordStage(TestCase):
)
self.assertEqual(response.status_code, 200)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
@patch(
"django.contrib.auth.backends.ModelBackend.authenticate",
MOCK_BACKEND_AUTHENTICATE,
@ -153,7 +158,4 @@ class TestPasswordStage(TestCase):
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)

View file

@ -1,4 +1,6 @@
"""delete tests"""
from unittest.mock import patch
from django.shortcuts import reverse
from django.test import Client, TestCase
from django.utils.encoding import force_str
@ -7,7 +9,9 @@ from passbook.core.models import User
from passbook.flows.markers import StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from passbook.flows.tests.test_views import TO_STAGE_RESPONSE_MOCK
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.policies.http import AccessDeniedResponse
from passbook.stages.user_delete.models import UserDeleteStage
@ -28,6 +32,9 @@ class TestUserDeleteStage(TestCase):
self.stage = UserDeleteStage.objects.create(name="delete")
FlowStageBinding.objects.create(target=self.flow, stage=self.stage, order=2)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_no_user(self):
"""Test without user set"""
plan = FlowPlan(
@ -43,10 +50,7 @@ class TestUserDeleteStage(TestCase):
)
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
def test_user_delete_get(self):
"""Test Form render"""

View file

@ -1,4 +1,6 @@
"""login tests"""
from unittest.mock import patch
from django.shortcuts import reverse
from django.test import Client, TestCase
from django.utils.encoding import force_str
@ -7,7 +9,9 @@ from passbook.core.models import User
from passbook.flows.markers import StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from passbook.flows.tests.test_views import TO_STAGE_RESPONSE_MOCK
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.policies.http import AccessDeniedResponse
from passbook.stages.password.stage import PLAN_CONTEXT_AUTHENTICATION_BACKEND
from passbook.stages.user_login.forms import UserLoginStageForm
from passbook.stages.user_login.models import UserLoginStage
@ -54,6 +58,9 @@ class TestUserLoginStage(TestCase):
{"type": "redirect", "to": reverse("passbook_core:overview")},
)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_without_user(self):
"""Test a plan without any pending user, resulting in a denied"""
plan = FlowPlan(
@ -70,11 +77,11 @@ class TestUserLoginStage(TestCase):
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_without_backend(self):
"""Test a plan with pending user, without backend, resulting in a denied"""
plan = FlowPlan(
@ -92,10 +99,7 @@ class TestUserLoginStage(TestCase):
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
def test_form(self):
"""Test Form"""

View file

@ -1,6 +1,7 @@
"""write tests"""
import string
from random import SystemRandom
from unittest.mock import patch
from django.shortcuts import reverse
from django.test import Client, TestCase
@ -10,7 +11,9 @@ from passbook.core.models import User
from passbook.flows.markers import StageMarker
from passbook.flows.models import Flow, FlowDesignation, FlowStageBinding
from passbook.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from passbook.flows.tests.test_views import TO_STAGE_RESPONSE_MOCK
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.policies.http import AccessDeniedResponse
from passbook.stages.prompt.stage import PLAN_CONTEXT_PROMPT
from passbook.stages.user_write.forms import UserWriteStageForm
from passbook.stages.user_write.models import UserWriteStage
@ -107,6 +110,9 @@ class TestUserWriteStage(TestCase):
self.assertTrue(user_qs.first().check_password(new_password))
self.assertEqual(user_qs.first().attributes["some-custom-attribute"], "test")
@patch(
"passbook.flows.views.to_stage_response", TO_STAGE_RESPONSE_MOCK,
)
def test_without_data(self):
"""Test without data results in error"""
plan = FlowPlan(
@ -123,10 +129,7 @@ class TestUserWriteStage(TestCase):
)
self.assertEqual(response.status_code, 200)
self.assertJSONEqual(
force_str(response.content),
{"type": "redirect", "to": reverse("passbook_flows:denied")},
)
self.assertIsInstance(response, AccessDeniedResponse)
def test_form(self):
"""Test Form"""