kpsul/kfet/auth/signals.py

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from django.contrib import messages
from django.contrib.auth.signals import user_logged_in
from django.dispatch import receiver
from django.urls import reverse
from django.utils.safestring import mark_safe
2022-06-29 16:09:50 +02:00
from django.utils.translation import gettext_lazy as _
from .utils import get_kfet_generic_user
@receiver(user_logged_in)
def suggest_auth_generic(sender, request, user, **kwargs):
"""
Suggest logged in user to continue as the kfet generic user.
Message is only added if the following conditions are met:
- the next page (where user is going to be redirected due to successful
authentication) is related to kfet, i.e. 'k-fet' is in its url.
- logged in user is a kfet staff member (except the generic user).
"""
# Filter against the next page.
if not (hasattr(request, "GET") and "next" in request.GET):
return
next_page = request.GET["next"]
generic_url = reverse("kfet.login.generic")
if not ("k-fet" in next_page and not next_page.startswith(generic_url)):
return
# Filter against the logged in user.
if not (user.has_perm("kfet.is_team") and user != get_kfet_generic_user()):
return
# Seems legit to add message.
text = _("K-Fêt — Ouvrir une session partagée ?")
messages.info(
request,
mark_safe(
'<a href="#" data-url="{}" onclick="submit_url(this)">{}</a>'.format(
generic_url, text
)
),
)