85 lines
3.5 KiB
Python
85 lines
3.5 KiB
Python
"""passbook OAuth2 Views"""
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from urllib.parse import urlencode
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from django.contrib import messages
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.shortcuts import get_object_or_404, redirect, reverse
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from django.utils.translation import ugettext as _
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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 LoadingView, PermissionDeniedView
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from passbook.providers.oauth.models import OAuth2Provider
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LOGGER = get_logger()
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class PassbookAuthorizationLoadingView(LoginRequiredMixin, LoadingView):
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"""Show loading view for permission checks"""
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title = _('Checking permissions...')
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def get_url(self):
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querystring = urlencode(self.request.GET)
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return reverse('passbook_providers_oauth:oauth2-ok-authorize') + '?' + querystring
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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 = 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(reverse('passbook_providers_oauth:oauth2-ok-authorize') + '?' + querystring)
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def dispatch(self, request, *args, **kwargs):
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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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passing, policy_messages = self.user_has_access(self._application, request.user)
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if not passing:
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for policy_message in policy_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 = super().dispatch(request, *args, **kwargs)
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if actual_response.status_code == 400:
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LOGGER.debug(request.GET.get('redirect_uri'))
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return actual_response
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def render_to_response(self, context, **kwargs):
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# Always set is_login to true for correct css class
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context['is_login'] = True
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return super().render_to_response(context, **kwargs)
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def form_valid(self, form):
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# User has clicked on "Authorize"
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Event.new(EventAction.AUTHORIZE_APPLICATION,
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authorized_application=self._application.pk).from_http(self.request)
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LOGGER.debug('User authorized Application',
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user=self.request.user, application=self._application)
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return super().form_valid(form)
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