46 lines
1.8 KiB
Python
46 lines
1.8 KiB
Python
"""passbook OAuth2 Session Views"""
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from urllib.parse import parse_qs, urlencode, urlsplit, urlunsplit
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from django.contrib.auth.views import LogoutView
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from django.http import HttpRequest, HttpResponse
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from django.shortcuts import get_object_or_404
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from passbook.core.models import Application
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from passbook.providers.oauth2.models import OAuth2Provider
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from passbook.providers.oauth2.utils import client_id_from_id_token
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class EndSessionView(LogoutView):
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"""Allow the client to end the Session"""
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def dispatch(
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self, request: HttpRequest, application_slug: str, *args, **kwargs
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) -> HttpResponse:
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application = get_object_or_404(Application, slug=application_slug)
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provider: OAuth2Provider = get_object_or_404(
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OAuth2Provider, pk=application.provider_id
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)
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id_token_hint = request.GET.get("id_token_hint", "")
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post_logout_redirect_uri = request.GET.get("post_logout_redirect_uri", "")
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state = request.GET.get("state", "")
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if id_token_hint:
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client_id = client_id_from_id_token(id_token_hint)
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try:
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provider = OAuth2Provider.objects.get(client_id=client_id)
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if post_logout_redirect_uri in provider.post_logout_redirect_uris:
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if state:
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uri = urlsplit(post_logout_redirect_uri)
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query_params = parse_qs(uri.query)
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query_params["state"] = state
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uri = uri._replace(query=urlencode(query_params, doseq=True))
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self.next_page = urlunsplit(uri)
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else:
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self.next_page = post_logout_redirect_uri
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except OAuth2Provider.DoesNotExist:
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pass
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return super().dispatch(request, *args, **kwargs)
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