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authentik/passbook/sources/oauth/views/callback.py

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"""OAuth Callback Views"""
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from typing import Any, Dict, Optional
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from django.conf import settings
from django.contrib import messages
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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from django.http import Http404, HttpRequest, HttpResponse
from django.shortcuts import redirect
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from django.urls import reverse
from django.utils.translation import ugettext as _
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from django.views.generic import View
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from structlog import get_logger
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from passbook.audit.models import Event, EventAction
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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from passbook.core.models import User
from passbook.flows.models import Flow, in_memory_stage
from passbook.flows.planner import (
PLAN_CONTEXT_PENDING_USER,
PLAN_CONTEXT_SSO,
FlowPlanner,
)
from passbook.flows.views import SESSION_KEY_PLAN
from passbook.lib.utils.urls import redirect_with_qs
from passbook.policies.utils import delete_none_keys
from passbook.sources.oauth.auth import AuthorizedServiceBackend
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from passbook.sources.oauth.models import OAuthSource, UserOAuthSourceConnection
from passbook.sources.oauth.views.base import OAuthClientMixin
from passbook.sources.oauth.views.flows import (
PLAN_CONTEXT_SOURCES_OAUTH_ACCESS,
PostUserEnrollmentStage,
)
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from passbook.stages.password.stage import PLAN_CONTEXT_AUTHENTICATION_BACKEND
from passbook.stages.prompt.stage import PLAN_CONTEXT_PROMPT
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LOGGER = get_logger()
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class OAuthCallback(OAuthClientMixin, View):
"Base OAuth callback view."
source_id = None
source = None
# pylint: disable=too-many-return-statements
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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def get(self, request: HttpRequest, *_, **kwargs) -> HttpResponse:
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"""View Get handler"""
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slug = kwargs.get("source_slug", "")
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try:
self.source = OAuthSource.objects.get(slug=slug)
except OAuthSource.DoesNotExist:
raise Http404(f"Unknown OAuth source '{slug}'.")
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else:
if not self.source.enabled:
raise Http404(f"Source {slug} is not enabled.")
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client = self.get_client(self.source)
callback = self.get_callback_url(self.source)
# Fetch access token
token = client.get_access_token(self.request, callback=callback)
if token is None:
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return self.handle_login_failure(
self.source, "Could not retrieve token."
)
if "error" in token:
return self.handle_login_failure(self.source, token["error"])
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# Fetch profile info
info = client.get_profile_info(token)
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if info is None:
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return self.handle_login_failure(
self.source, "Could not retrieve profile."
)
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identifier = self.get_user_id(self.source, info)
if identifier is None:
return self.handle_login_failure(self.source, "Could not determine id.")
# Get or create access record
defaults = {
"access_token": token.get("access_token"),
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}
existing = UserOAuthSourceConnection.objects.filter(
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source=self.source, identifier=identifier
)
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if existing.exists():
connection = existing.first()
connection.access_token = token.get("access_token")
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UserOAuthSourceConnection.objects.filter(pk=connection.pk).update(
**defaults
)
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else:
connection = UserOAuthSourceConnection(
source=self.source,
identifier=identifier,
access_token=token.get("access_token"),
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)
user = AuthorizedServiceBackend().authenticate(
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source=self.source, identifier=identifier, request=request
)
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if user is None:
if self.request.user.is_authenticated:
LOGGER.debug("Linking existing user", source=self.source)
return self.handle_existing_user_link(self.source, connection, info)
LOGGER.debug("Handling enrollment of new user", source=self.source)
return self.handle_enroll(self.source, connection, info)
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LOGGER.debug("Handling existing user", source=self.source)
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return self.handle_existing_user(self.source, user, connection, info)
# pylint: disable=unused-argument
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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def get_callback_url(self, source: OAuthSource) -> str:
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"Return callback url if different than the current url."
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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return ""
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# pylint: disable=unused-argument
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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def get_error_redirect(self, source: OAuthSource, reason: str) -> str:
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"Return url to redirect on login failure."
return settings.LOGIN_URL
def get_user_enroll_context(
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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self,
source: OAuthSource,
access: UserOAuthSourceConnection,
info: Dict[str, Any],
) -> Dict[str, Any]:
"""Create a dict of User data"""
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raise NotImplementedError()
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# pylint: disable=unused-argument
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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def get_user_id(
self, source: UserOAuthSourceConnection, info: Dict[str, Any]
) -> Optional[str]:
"""Return unique identifier from the profile info."""
if "id" in info:
return info["id"]
return None
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def handle_login_failure(self, source: OAuthSource, reason: str) -> HttpResponse:
"Message user and redirect on error."
LOGGER.warning("Authentication Failure", reason=reason)
messages.error(self.request, _("Authentication Failed."))
return redirect(self.get_error_redirect(source, reason))
def handle_login_flow(self, flow: Flow, **kwargs) -> HttpResponse:
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"""Prepare Authentication Plan, redirect user FlowExecutor"""
kwargs.update(
{
# Since we authenticate the user by their token, they have no backend set
PLAN_CONTEXT_AUTHENTICATION_BACKEND: "django.contrib.auth.backends.ModelBackend",
PLAN_CONTEXT_SSO: True,
}
)
# We run the Flow planner here so we can pass the Pending user in the context
planner = FlowPlanner(flow)
plan = planner.plan(self.request, kwargs)
self.request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs(
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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"passbook_flows:flow-executor-shell", self.request.GET, flow_slug=flow.slug,
)
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# pylint: disable=unused-argument
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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def handle_existing_user(
self,
source: OAuthSource,
user: User,
access: UserOAuthSourceConnection,
info: Dict[str, Any],
) -> HttpResponse:
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"Login user and redirect."
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messages.success(
self.request,
_(
"Successfully authenticated with %(source)s!"
% {"source": self.source.name}
),
)
flow_kwargs = {PLAN_CONTEXT_PENDING_USER: user}
return self.handle_login_flow(source.authentication_flow, **flow_kwargs)
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def handle_existing_user_link(
WIP Use Flows for Sources and Providers (#32) * core: start migrating to flows for authorisation * sources/oauth: start type-hinting * core: create default user * core: only show user delete button if an unenrollment flow exists * flows: Correctly check initial policies on flow with context * policies: add more verbosity to engine * sources/oauth: migrate to flows * sources/oauth: fix typing errors * flows: add more tests * sources/oauth: start implementing unittests * sources/ldap: add option to disable user sync, move connection init to model * sources/ldap: re-add default PropertyMappings * providers/saml: re-add default PropertyMappings * admin: fix missing stage count * stages/identification: fix sources not being shown * crypto: fix being unable to save with private key * crypto: re-add default self-signed keypair * policies: rewrite cache_key to prevent wrong cache * sources/saml: migrate to flows for auth and enrollment * stages/consent: add new stage * admin: fix PropertyMapping widget not rendering properly * core: provider.authorization_flow is mandatory * flows: add support for "autosubmit" attribute on form * flows: add InMemoryStage for dynamic stages * flows: optionally allow empty flows from FlowPlanner * providers/saml: update to authorization_flow * sources/*: fix flow executor URL * flows: fix pylint error * flows: wrap responses in JSON object to easily handle redirects * flow: dont cache plan's context * providers/oauth: rewrite OAuth2 Provider to use flows * providers/*: update docstrings of models * core: fix forms not passing help_text through safe * flows: fix HttpResponses not being converted to JSON * providers/oidc: rewrite to use flows * flows: fix linting
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self,
source: OAuthSource,
access: UserOAuthSourceConnection,
info: Dict[str, Any],
) -> HttpResponse:
"""Handler when the user was already authenticated and linked an external source
to their account."""
# there's already a user logged in, just link them up
user = self.request.user
access.user = user
access.save()
UserOAuthSourceConnection.objects.filter(pk=access.pk).update(user=user)
Event.new(
EventAction.CUSTOM, message="Linked OAuth Source", source=source
).from_http(self.request)
messages.success(
self.request,
_("Successfully linked %(source)s!" % {"source": self.source.name}),
)
return redirect(
reverse(
"passbook_sources_oauth:oauth-client-user",
kwargs={"source_slug": self.source.slug},
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)
)
def handle_enroll(
self,
source: OAuthSource,
access: UserOAuthSourceConnection,
info: Dict[str, Any],
) -> HttpResponse:
"""User was not authenticated and previous request was not authenticated."""
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messages.success(
self.request,
_(
"Successfully authenticated with %(source)s!"
% {"source": self.source.name}
),
)
# Because we inject a stage into the planned flow, we can't use `self.handle_login_flow`
context = {
# Since we authenticate the user by their token, they have no backend set
PLAN_CONTEXT_AUTHENTICATION_BACKEND: "django.contrib.auth.backends.ModelBackend",
PLAN_CONTEXT_SSO: True,
PLAN_CONTEXT_PROMPT: delete_none_keys(
self.get_user_enroll_context(source, access, info)
),
PLAN_CONTEXT_SOURCES_OAUTH_ACCESS: access,
}
# We run the Flow planner here so we can pass the Pending user in the context
planner = FlowPlanner(source.enrollment_flow)
plan = planner.plan(self.request, context)
plan.append(in_memory_stage(PostUserEnrollmentStage))
self.request.session[SESSION_KEY_PLAN] = plan
return redirect_with_qs(
"passbook_flows:flow-executor-shell",
self.request.GET,
flow_slug=source.enrollment_flow.slug,
)