Files
VacatureRadar/apps/core/views.py
T
Jens 7caea3a1ee
deploy / deploy (push) Canceled after 0s
demo mode
2026-07-27 23:38:37 +02:00

272 lines
9.6 KiB
Python

from __future__ import annotations
import logging
from django.conf import settings
from django.contrib import messages
from django.contrib.auth import get_user_model, login
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.views import LoginView
from django.http import HttpResponse, JsonResponse
from django.shortcuts import redirect
from django.urls import reverse
from django.utils.http import url_has_allowed_host_and_scheme
from django.views.decorators.http import require_POST
from django.views.generic import TemplateView
from apps.core import entra as entra_sso
from apps.core.forms import EmailAuthenticationForm
from apps.core.rate_limit import clear_rate_limit, is_rate_limited, register_rate_limit_failure
from apps.jobs.services.cockpit import build_dashboard_cockpit
from apps.profiles.models import SearchProfile
from apps.sources.services.health import collect_source_health
from .health import readiness
from .services.automation import build_automation_cockpit
logger = logging.getLogger(__name__)
SSO_BACKEND = "apps.core.auth_backends.EmailOrUsernameModelBackend"
SESSION_ENTRA_FLOW = "entra_auth_flow"
SESSION_ENTRA_NEXT = "entra_next"
def _safe_next(request, candidate: str | None) -> str | None:
if candidate and url_has_allowed_host_and_scheme(
candidate,
allowed_hosts={request.get_host()},
require_https=request.is_secure(),
):
return candidate
return None
class SecurityAwareLoginView(LoginView):
template_name = "registration/login.html"
authentication_form = EmailAuthenticationForm
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context["entra_enabled"] = entra_sso.entra_enabled()
context["demo_enabled"] = bool(getattr(settings, "DEMO_MODE_ENABLED", False))
return context
@staticmethod
def _remaining_minutes(seconds: int) -> str:
minutes = max(1, (seconds + 59) // 60)
return f"{minutes} minuut" if minutes == 1 else f"{minutes} minuten"
def dispatch(self, request, *args, **kwargs):
if request.method == "POST":
state = is_rate_limited(
request,
namespace="login",
max_attempts=settings.AUTH_LOGIN_RATE_LIMIT_MAX_ATTEMPTS,
window_seconds=settings.AUTH_LOGIN_RATE_LIMIT_WINDOW_SECONDS,
block_seconds=settings.AUTH_LOGIN_RATE_LIMIT_BLOCK_SECONDS,
)
if state.is_blocked:
messages.error(
request,
(
"Te veel inlogpogingen op dit account. Wacht "
f"{self._remaining_minutes(state.remaining_seconds)} en probeer daarna "
"opnieuw."
),
)
return self.form_invalid(self.get_form())
return super().dispatch(request, *args, **kwargs)
def form_invalid(self, form):
state = register_rate_limit_failure(
self.request,
namespace="login",
max_attempts=settings.AUTH_LOGIN_RATE_LIMIT_MAX_ATTEMPTS,
window_seconds=settings.AUTH_LOGIN_RATE_LIMIT_WINDOW_SECONDS,
block_seconds=settings.AUTH_LOGIN_RATE_LIMIT_BLOCK_SECONDS,
)
if state.is_blocked:
messages.error(
self.request,
(
"Te veel inlogpogingen. Wacht "
f"{self._remaining_minutes(state.remaining_seconds)} en probeer daarna opnieuw."
),
)
return super().form_invalid(form)
def form_valid(self, form):
clear_rate_limit(self.request, namespace="login")
return super().form_valid(form)
def _split_name(full_name: str) -> tuple[str, str]:
parts = full_name.split()
if not parts:
return "", ""
if len(parts) == 1:
return parts[0][:150], ""
return parts[0][:150], " ".join(parts[1:])[:150]
def _unique_username(base: str) -> str:
user_model = get_user_model()
base = (base or "gebruiker")[:140].strip() or "gebruiker"
candidate = base
suffix = 1
while user_model.objects.filter(username__iexact=candidate).exists():
suffix += 1
candidate = f"{base}-{suffix}"
return candidate
def _get_or_create_sso_user(email: str, full_name: str):
user_model = get_user_model()
user = user_model.objects.filter(email__iexact=email).order_by("id").first()
first, last = _split_name(full_name)
if user is None:
user = user_model(
username=_unique_username(email.split("@", 1)[0]),
email=email,
first_name=first,
last_name=last,
)
user.set_unusable_password()
user.save()
elif full_name and not (user.first_name or user.last_name):
user.first_name, user.last_name = first, last
user.save(update_fields=["first_name", "last_name"])
return user
@require_POST
def entra_login(request):
"""Start de Entra ID authorization-code flow."""
if not entra_sso.entra_enabled():
messages.error(request, "Inloggen via Entra ID is niet ingeschakeld.")
return redirect("login")
try:
config = entra_sso.load_config()
redirect_uri = config.redirect_uri or request.build_absolute_uri(reverse("entra-callback"))
flow = entra_sso.build_auth_flow(config, redirect_uri)
except entra_sso.EntraConfigError as exc:
logger.warning("Entra ID niet beschikbaar: %s", exc)
messages.error(request, "Inloggen via Entra ID is nu niet beschikbaar.")
return redirect("login")
request.session[SESSION_ENTRA_FLOW] = flow
next_url = _safe_next(request, request.POST.get("next"))
if next_url:
request.session[SESSION_ENTRA_NEXT] = next_url
return redirect(flow["auth_uri"])
def entra_callback(request):
"""Verwerk de terugkeer van Microsoft na de SSO-flow."""
if not entra_sso.entra_enabled():
return redirect("login")
flow = request.session.pop(SESSION_ENTRA_FLOW, None)
next_url = request.session.pop(SESSION_ENTRA_NEXT, None)
if not flow:
messages.error(request, "De Entra ID-sessie is verlopen. Probeer opnieuw.")
return redirect("login")
try:
config = entra_sso.load_config()
result = entra_sso.redeem_auth_code(config, flow, request.GET.dict())
except entra_sso.EntraConfigError as exc:
logger.warning("Entra ID niet beschikbaar: %s", exc)
messages.error(request, "Inloggen via Entra ID is nu niet beschikbaar.")
return redirect("login")
if "error" in result:
logger.warning("Entra ID-fout: %s", result.get("error_description") or result.get("error"))
messages.error(request, "Inloggen via Entra ID is mislukt.")
return redirect("login")
email, name = entra_sso.extract_identity(result)
if not email:
messages.error(request, "Entra ID gaf geen e-mailadres terug.")
return redirect("login")
if not entra_sso.domain_allowed(config, email):
messages.error(request, "Dit Entra ID-account mag hier niet inloggen.")
return redirect("login")
user = _get_or_create_sso_user(email, name)
login(request, user, backend=SSO_BACKEND)
clear_rate_limit(request, namespace="login")
return redirect(next_url or settings.LOGIN_REDIRECT_URL)
@require_POST
def demo_login(request):
"""Log in als afgeschermd demo-account."""
if not getattr(settings, "DEMO_MODE_ENABLED", False):
messages.error(request, "De demomodus is niet ingeschakeld.")
return redirect("login")
user_model = get_user_model()
user, created = user_model.objects.get_or_create(
username=settings.DEMO_USERNAME,
defaults={
"email": settings.DEMO_EMAIL,
"first_name": "Demo",
"last_name": "Gebruiker",
},
)
if created:
user.set_unusable_password()
user.save()
try:
from apps.jobs.services.demo_seed import seed_demo_environment
seed_demo_environment(user)
except Exception:
# De demo mag nooit de login blokkeren.
logger.exception("Kon de demo-omgeving niet seeden")
login(request, user, backend=SSO_BACKEND)
request.session.set_expiry(settings.DEMO_SESSION_SECONDS)
next_url = _safe_next(request, request.POST.get("next"))
return redirect(next_url or settings.LOGIN_REDIRECT_URL)
def robots_txt(request):
if getattr(settings, "SEARCH_ENGINE_INDEXING_ENABLED", False):
content = "User-agent: *\nAllow: /\n"
else:
content = "User-agent: *\nDisallow: /\n"
return HttpResponse(content, content_type="text/plain; charset=utf-8")
def health_live(request):
return JsonResponse({"ok": True, "service": "vacatureradar"})
def health_ready(request):
result = readiness()
return JsonResponse(result.to_dict(), status=200 if result.ok else 503)
class TodayView(LoginRequiredMixin, TemplateView):
template_name = "dashboard/today.html"
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
profile = SearchProfile.objects.filter(user=self.request.user, is_active=True).first()
context.update(build_dashboard_cockpit(self.request.user, profile))
context["active_profile"] = profile
return context
class SystemStatusView(LoginRequiredMixin, TemplateView):
template_name = "system/status.html"
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context.update(build_automation_cockpit())
context["source_health"] = collect_source_health()
return context