df8995deed
policies: rewrite engine to use PolicyBinding for order/negate/timeout policies: rewrite engine to use PolicyResult instead of tuple
77 lines
3.2 KiB
Python
77 lines
3.2 KiB
Python
"""passbook OAuth2 Views"""
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from typing import Optional
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from urllib.parse import urlencode
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from django.contrib import messages
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from django.forms import Form
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from django.http import HttpRequest, HttpResponse
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from django.shortcuts import get_object_or_404, redirect, reverse
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from oauth2_provider.views.base import AuthorizationView
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from structlog import get_logger
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from passbook.audit.models import Event, EventAction
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from passbook.core.models import Application
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from passbook.core.views.access import AccessMixin
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from passbook.core.views.utils import PermissionDeniedView
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from passbook.providers.oauth.models import OAuth2Provider
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LOGGER = get_logger()
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class OAuthPermissionDenied(PermissionDeniedView):
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"""Show permission denied view"""
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class PassbookAuthorizationView(AccessMixin, AuthorizationView):
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"""Custom OAuth2 Authorization View which checks policies, etc"""
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_application: Optional[Application] = None
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def _inject_response_type(self):
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"""Inject response_type into querystring if not set"""
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LOGGER.debug("response_type not set, defaulting to 'code'")
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querystring = urlencode(self.request.GET)
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querystring += "&response_type=code"
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return redirect(
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reverse("passbook_providers_oauth:oauth2-ok-authorize") + "?" + querystring
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)
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def dispatch(self, request: HttpRequest, *args, **kwargs) -> HttpResponse:
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"""Update OAuth2Provider's skip_authorization state"""
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# Get client_id to get provider, so we can update skip_authorization field
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client_id = request.GET.get("client_id")
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provider = get_object_or_404(OAuth2Provider, client_id=client_id)
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try:
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application = self.provider_to_application(provider)
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except Application.DoesNotExist:
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return redirect("passbook_providers_oauth:oauth2-permission-denied")
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# Update field here so oauth-toolkit does work for us
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provider.skip_authorization = application.skip_authorization
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provider.save()
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self._application = application
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# Check permissions
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result = self.user_has_access(self._application, request.user)
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if not result.passing:
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for policy_message in result.messages:
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messages.error(request, policy_message)
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return redirect("passbook_providers_oauth:oauth2-permission-denied")
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# Some clients don't pass response_type, so we default to code
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if "response_type" not in request.GET:
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return self._inject_response_type()
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actual_response = AuthorizationView.dispatch(self, request, *args, **kwargs)
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if actual_response.status_code == 400:
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LOGGER.debug("Bad request", redirect_uri=request.GET.get("redirect_uri"))
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return actual_response
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def form_valid(self, form: Form):
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# User has clicked on "Authorize"
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Event.new(
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EventAction.AUTHORIZE_APPLICATION, authorized_application=self._application,
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).from_http(self.request)
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LOGGER.debug(
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"User authorized Application",
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user=self.request.user,
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application=self._application,
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)
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return AuthorizationView.form_valid(self, form)
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