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flows: planner error handling (#4812) 

* handle FlowNonApplicableException everywhere

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* make flow planner check authentication when no pending user is in planning context

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* add mailhog to e2e test services, remove local docker requirement

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
This commit is contained in:
Jens L 2023-02-28 15:18:29 +01:00 committed by GitHub
parent 6f2f4f4aa3
commit 20e971f5ce
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GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 109 additions and 108 deletions
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17
authentik/core/api/users.py
View File

@ -68,6 +68,7 @@ from authentik.core.models import (
User,
)
from authentik.events.models import EventAction
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import FlowToken
from authentik.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlanner
from authentik.flows.views.executor import QS_KEY_TOKEN
@ -326,12 +327,16 @@ class UserViewSet(UsedByMixin, ModelViewSet):
user: User = self.get_object()
planner = FlowPlanner(flow)
planner.allow_empty_flows = True
plan = planner.plan(
self.request._request,
{
PLAN_CONTEXT_PENDING_USER: user,
},
)
try:
plan = planner.plan(
self.request._request,
{
PLAN_CONTEXT_PENDING_USER: user,
},
)
except FlowNonApplicableException:
LOGGER.warning("Recovery flow not applicable to user")
return None, None
token, __ = FlowToken.objects.update_or_create(
identifier=f"{user.uid}-password-reset",
defaults={

22
authentik/core/views/apps.py
View File

@ -11,6 +11,7 @@ from authentik.flows.challenge import (
HttpChallengeResponse,
RedirectChallenge,
)
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import in_memory_stage
from authentik.flows.planner import PLAN_CONTEXT_APPLICATION, FlowPlanner
from authentik.flows.stage import ChallengeStageView
@ -41,15 +42,18 @@ class RedirectToAppLaunch(View):
flow = tenant.flow_authentication
planner = FlowPlanner(flow)
planner.allow_empty_flows = True
plan = planner.plan(
request,
{
PLAN_CONTEXT_APPLICATION: app,
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": app.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: [],
},
)
try:
plan = planner.plan(
request,
{
PLAN_CONTEXT_APPLICATION: app,
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": app.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: [],
},
)
except FlowNonApplicableException:
raise Http404
plan.insert_stage(in_memory_stage(RedirectToAppStage))
request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs("authentik_core:if-flow", request.GET, flow_slug=flow.slug)

7
authentik/flows/planner.py
View File

@ -147,7 +147,6 @@ class FlowPlanner:
) -> FlowPlan:
"""Check each of the flows' policies, check policies for each stage with PolicyBinding
and return ordered list"""
self._check_authentication(request)
with Hub.current.start_span(
op="authentik.flow.planner.plan", description=self.flow.slug
) as span:
@ -165,6 +164,12 @@ class FlowPlanner:
user = default_context[PLAN_CONTEXT_PENDING_USER]
else:
user = request.user
# We only need to check the flow authentication if it's planned without a user
# in the context, as a user in the context can only be set via the explicit code API
# or if a flow is restarted due to `invalid_response_action` being set to
# `restart_with_context`, which can only happen if the user was already authorized
# to use the flow
self._check_authentication(request)
# First off, check the flow's direct policy bindings
# to make sure the user even has access to the flow
engine = PolicyEngine(self.flow, user, request)

10
authentik/flows/views/executor.py
View File

@ -561,9 +561,13 @@ class ConfigureFlowInitView(LoginRequiredMixin, View):
LOGGER.debug("Stage has no configure_flow set", stage=stage)
raise Http404
plan = FlowPlanner(stage.configure_flow).plan(
request, {PLAN_CONTEXT_PENDING_USER: request.user}
)
try:
plan = FlowPlanner(stage.configure_flow).plan(
request, {PLAN_CONTEXT_PENDING_USER: request.user}
)
except FlowNonApplicableException:
LOGGER.warning("Flow not applicable to user")
raise Http404
request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs(
"authentik_core:if-flow",

30
authentik/providers/oauth2/views/authorize.py
View File

@ -24,6 +24,7 @@ from authentik.flows.challenge import (
ChallengeTypes,
HttpChallengeResponse,
)
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import in_memory_stage
from authentik.flows.planner import PLAN_CONTEXT_APPLICATION, PLAN_CONTEXT_SSO, FlowPlanner
from authentik.flows.stage import StageView
@ -373,19 +374,22 @@ class AuthorizationFlowInitView(PolicyAccessView):
# Regardless, we start the planner and return to it
planner = FlowPlanner(self.provider.authorization_flow)
planner.allow_empty_flows = True
plan = planner.plan(
self.request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: self.application,
# OAuth2 related params
PLAN_CONTEXT_PARAMS: self.params,
# Consent related params
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": self.application.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: scope_descriptions,
},
)
try:
plan = planner.plan(
self.request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: self.application,
# OAuth2 related params
PLAN_CONTEXT_PARAMS: self.params,
# Consent related params
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": self.application.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: scope_descriptions,
},
)
except FlowNonApplicableException:
return self.handle_no_permission_authenticated()
# OpenID clients can specify a `prompt` parameter, and if its set to consent we
# need to inject a consent stage
if PROMPT_CONSENT in self.params.prompt:

37
authentik/providers/oauth2/views/device_init.py
View File

@ -10,6 +10,7 @@ from structlog.stdlib import get_logger
from authentik.core.models import Application
from authentik.flows.challenge import Challenge, ChallengeResponse, ChallengeTypes
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import in_memory_stage
from authentik.flows.planner import PLAN_CONTEXT_APPLICATION, PLAN_CONTEXT_SSO, FlowPlanner
from authentik.flows.stage import ChallengeStageView
@ -57,19 +58,23 @@ def validate_code(code: int, request: HttpRequest) -> Optional[HttpResponse]:
scope_descriptions = UserInfoView().get_scope_descriptions(token.scope)
planner = FlowPlanner(token.provider.authorization_flow)
planner.allow_empty_flows = True
plan = planner.plan(
request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: app,
# OAuth2 related params
PLAN_CONTEXT_DEVICE: token,
# Consent related params
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": app.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: scope_descriptions,
},
)
try:
plan = planner.plan(
request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: app,
# OAuth2 related params
PLAN_CONTEXT_DEVICE: token,
# Consent related params
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": app.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: scope_descriptions,
},
)
except FlowNonApplicableException:
LOGGER.warning("Flow not applicable to user")
return None
plan.insert_stage(in_memory_stage(OAuthDeviceCodeFinishStage))
request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs(
@ -97,7 +102,11 @@ class DeviceEntryView(View):
# Regardless, we start the planner and return to it
planner = FlowPlanner(device_flow)
planner.allow_empty_flows = True
plan = planner.plan(self.request)
try:
plan = planner.plan(self.request)
except FlowNonApplicableException:
LOGGER.warning("Flow not applicable to user")
return HttpResponse(status=404)
plan.append_stage(in_memory_stage(OAuthDeviceCodeStage))
self.request.session[SESSION_KEY_PLAN] = plan

26
authentik/providers/saml/views/sso.py
View File

@ -1,7 +1,7 @@
"""authentik SAML IDP Views"""
from typing import Optional
from django.http import HttpRequest, HttpResponse
from django.http import Http404, HttpRequest, HttpResponse
from django.shortcuts import get_object_or_404
from django.utils.decorators import method_decorator
from django.utils.translation import gettext as _
@ -11,6 +11,7 @@ from structlog.stdlib import get_logger
from authentik.core.models import Application
from authentik.events.models import Event, EventAction
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import in_memory_stage
from authentik.flows.planner import PLAN_CONTEXT_APPLICATION, PLAN_CONTEXT_SSO, FlowPlanner
from authentik.flows.views.executor import SESSION_KEY_PLAN, SESSION_KEY_POST
@ -60,16 +61,19 @@ class SAMLSSOView(PolicyAccessView):
# Regardless, we start the planner and return to it
planner = FlowPlanner(self.provider.authorization_flow)
planner.allow_empty_flows = True
plan = planner.plan(
request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: self.application,
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": self.application.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: [],
},
)
try:
plan = planner.plan(
request,
{
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_APPLICATION: self.application,
PLAN_CONTEXT_CONSENT_HEADER: _("You're about to sign into %(application)s.")
% {"application": self.application.name},
PLAN_CONTEXT_CONSENT_PERMISSIONS: [],
},
)
except FlowNonApplicableException:
raise Http404
plan.append_stage(in_memory_stage(SAMLFlowFinalView))
request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs(

6
authentik/sources/saml/views.py
View File

@ -22,6 +22,7 @@ from authentik.flows.challenge import (
ChallengeResponse,
ChallengeTypes,
)
from authentik.flows.exceptions import FlowNonApplicableException
from authentik.flows.models import in_memory_stage
from authentik.flows.planner import (
PLAN_CONTEXT_REDIRECT,
@ -87,7 +88,10 @@ class InitiateView(View):
# We run the Flow planner here so we can pass the Pending user in the context
planner = FlowPlanner(source.pre_authentication_flow)
planner.allow_empty_flows = True
plan = planner.plan(self.request, kwargs)
try:
plan = planner.plan(self.request, kwargs)
except FlowNonApplicableException:
raise Http404
for stage in stages_to_append:
plan.append_stage(stage)
self.request.session[SESSION_KEY_PLAN] = plan

4
authentik/stages/email/tests/test_stage.py
View File

@ -13,9 +13,9 @@ from authentik.flows.markers import StageMarker
from authentik.flows.models import FlowDesignation, FlowStageBinding
from authentik.flows.planner import PLAN_CONTEXT_PENDING_USER, FlowPlan
from authentik.flows.tests import FlowTestCase
from authentik.flows.views.executor import SESSION_KEY_PLAN
from authentik.flows.views.executor import QS_KEY_TOKEN, SESSION_KEY_PLAN
from authentik.stages.email.models import EmailStage
from authentik.stages.email.stage import PLAN_CONTEXT_EMAIL_OVERRIDE, QS_KEY_TOKEN
from authentik.stages.email.stage import PLAN_CONTEXT_EMAIL_OVERRIDE
class TestEmailStage(FlowTestCase):

11
tests/e2e/docker-compose.yml
View File

@ -2,8 +2,17 @@ version: '3.7'
services:
chrome:
image: selenium/standalone-chrome:103.0-chromedriver-103.0
image: selenium/standalone-chrome:110.0
volumes:
- /dev/shm:/dev/shm
network_mode: host
restart: always
mailhog:
image: mailhog/mailhog:v1.0.1
ports:
- 1025:1025
- 8025:8025
healthcheck:
test: ["CMD", "wget", "--spider", "http://localhost:8025"]
interval: 5s
start_period: 1s

3
tests/e2e/test_flows_authenticators.py
View File

@ -1,8 +1,6 @@
"""test flow with otp stages"""
from base64 import b32decode
from sys import platform
from time import sleep
from unittest.case import skipUnless
from urllib.parse import parse_qs, urlparse
from django_otp.oath import TOTP
@ -20,7 +18,6 @@ from authentik.stages.authenticator_totp.models import AuthenticatorTOTPStage
from tests.e2e.utils import SeleniumTestCase, retry
@skipUnless(platform.startswith("linux"), "requires local docker")
class TestFlowsAuthenticator(SeleniumTestCase):
"""test flow with otp stages"""

18
tests/e2e/test_flows_enroll.py
View File

@ -1,11 +1,7 @@
"""Test Enroll flow"""
from sys import platform
from time import sleep
from typing import Any, Optional
from unittest.case import skipUnless
from django.test import override_settings
from docker.types import Healthcheck
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as ec
from selenium.webdriver.support.wait import WebDriverWait
@ -17,23 +13,9 @@ from authentik.stages.identification.models import IdentificationStage
from tests.e2e.utils import SeleniumTestCase, retry
@skipUnless(platform.startswith("linux"), "requires local docker")
class TestFlowsEnroll(SeleniumTestCase):
"""Test Enroll flow"""
def get_container_specs(self) -> Optional[dict[str, Any]]:
return {
"image": "mailhog/mailhog:v1.0.1",
"detach": True,
"network_mode": "host",
"auto_remove": True,
"healthcheck": Healthcheck(
test=["CMD", "wget", "--spider", "http://localhost:8025"],
interval=5 * 100 * 1000000,
start_period=1 * 100 * 1000000,
),
}
@retry()
@apply_blueprint(
"default/flow-default-authentication-flow.yaml",

4
tests/e2e/test_flows_login.py
View File

@ -1,12 +1,8 @@
"""test default login flow"""
from sys import platform
from unittest.case import skipUnless
from authentik.blueprints.tests import apply_blueprint
from tests.e2e.utils import SeleniumTestCase, retry
@skipUnless(platform.startswith("linux"), "requires local docker")
class TestFlowsLogin(SeleniumTestCase):
"""test default login flow"""

18
tests/e2e/test_flows_recovery.py
View File

@ -1,11 +1,7 @@
"""Test recovery flow"""
from sys import platform
from time import sleep
from typing import Any, Optional
from unittest.case import skipUnless
from django.test import override_settings
from docker.types import Healthcheck
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as ec
from selenium.webdriver.support.wait import WebDriverWait
@ -19,23 +15,9 @@ from authentik.stages.identification.models import IdentificationStage
from tests.e2e.utils import SeleniumTestCase, retry
@skipUnless(platform.startswith("linux"), "requires local docker")
class TestFlowsRecovery(SeleniumTestCase):
"""Test Recovery flow"""
def get_container_specs(self) -> Optional[dict[str, Any]]:
return {
"image": "mailhog/mailhog:v1.0.1",
"detach": True,
"network_mode": "host",
"auto_remove": True,
"healthcheck": Healthcheck(
test=["CMD", "wget", "--spider", "http://localhost:8025"],
interval=5 * 100 * 1000000,
start_period=1 * 100 * 1000000,
),
}
def initial_stages(self, user: User):
"""Fill out initial stages"""
# Identification stage, click recovery

4
tests/e2e/test_flows_stage_setup.py
View File

@ -1,7 +1,4 @@
"""test stage setup flows (password change)"""
from sys import platform
from unittest.case import skipUnless
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
@ -13,7 +10,6 @@ from authentik.stages.password.models import PasswordStage
from tests.e2e.utils import SeleniumTestCase, retry
@skipUnless(platform.startswith("linux"), "requires local docker")
class TestFlowsStageSetup(SeleniumTestCase):
"""test stage setup flows"""