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taiste
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dependabot
| Author | SHA1 | Date | |
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b927b9c0f2 |
@@ -700,7 +700,7 @@ class PosterModerateView(PermissionRequiredMixin, ComTabsMixin, View):
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parsed = urlparse(referer)
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if parsed.netloc == settings.SITH_URL:
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return redirect(parsed.path)
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return redirect("com:poster_list")
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return redirect(reverse("com:poster_list"))
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class ScreenListView(PermissionRequiredMixin, ComTabsMixin, ListView):
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@@ -24,6 +24,7 @@
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from __future__ import annotations
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import types
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import warnings
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from typing import TYPE_CHECKING, Any, LiteralString
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from django.contrib.auth.mixins import AccessMixin, PermissionRequiredMixin
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@@ -146,6 +147,45 @@ class GenericContentPermissionMixinBuilder(View):
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return super().dispatch(request, *arg, **kwargs)
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class CanCreateMixin(View):
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"""Protect any child view that would create an object.
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Raises:
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PermissionDenied:
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If the user has not the necessary permission
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to create the object of the view.
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"""
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def __init_subclass__(cls, **kwargs):
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warnings.warn(
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f"{cls.__name__} is deprecated and should be replaced "
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"by other permission verification mecanism.",
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DeprecationWarning,
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stacklevel=2,
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)
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super().__init_subclass__(**kwargs)
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def __init__(self, *args, **kwargs):
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warnings.warn(
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f"{self.__class__.__name__} is deprecated and should be replaced "
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"by other permission verification mecanism.",
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DeprecationWarning,
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stacklevel=2,
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)
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super().__init__(*args, **kwargs)
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def dispatch(self, request, *arg, **kwargs):
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if not request.user.is_authenticated:
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raise PermissionDenied
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return super().dispatch(request, *arg, **kwargs)
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def form_valid(self, form):
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obj = form.instance
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if can_edit_prop(obj, self.request.user):
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return super().form_valid(form)
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raise PermissionDenied
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class CanEditPropMixin(GenericContentPermissionMixinBuilder):
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"""Ensure the user has owner permissions on the child view object.
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@@ -17,6 +17,7 @@
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- can_edit_prop
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- can_edit
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- can_view
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- CanCreateMixin
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- CanEditMixin
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- CanViewMixin
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- CanEditPropMixin
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@@ -212,7 +212,7 @@ Pour les vues sous forme de fonction, il y a le décorateur
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obj = self.get_object()
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obj.is_moderated = True
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obj.save()
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return redirect("com:news_list")
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return redirect(reverse("com:news_list"))
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```
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=== "Function-based view"
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@@ -233,7 +233,7 @@ Pour les vues sous forme de fonction, il y a le décorateur
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news = get_object_or_404(News, id=news_id)
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news.is_moderated = True
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news.save()
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return redirect("com:news_list")
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return redirect(reverse("com:news_list"))
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```
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## Accès à des éléments en particulier
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@@ -447,9 +447,10 @@ l'utilisateur recevra une liste vide d'objet.
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Voici un exemple d'utilisation en reprenant l'objet Article crée précédemment :
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```python
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from django.views.generic import DetailView
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from django.views.generic import CreateView, DetailView
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from core.auth.mixins import CanViewMixin, CanCreateMixin
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from core.auth.mixins import CanViewMixin
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from com.models import WeekmailArticle
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@@ -458,15 +459,48 @@ from com.models import WeekmailArticle
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# d'une classe de base pour fonctionner correctement.
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class ArticlesDetailView(CanViewMixin, DetailView):
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model = WeekmailArticle
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# Même chose pour une vue de création de l'objet Article
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class ArticlesCreateView(CanCreateMixin, CreateView):
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model = WeekmailArticle
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```
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Les mixins suivants sont implémentés :
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- [CanCreateMixin][core.auth.mixins.CanCreateMixin] : l'utilisateur peut-il créer l'objet ?
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Ce mixin existe, mais est déprécié et ne doit plus être utilisé !
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- [CanEditPropMixin][core.auth.mixins.CanEditPropMixin] : l'utilisateur peut-il éditer les propriétés de l'objet ?
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- [CanEditMixin][core.auth.mixins.CanEditMixin] : L'utilisateur peut-il éditer l'objet ?
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- [CanViewMixin][core.auth.mixins.CanViewMixin] : L'utilisateur peut-il voir l'objet ?
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- [FormerSubscriberMixin][core.auth.mixins.FormerSubscriberMixin] : L'utilisateur a-t-il déjà été cotisant ?
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!!!danger "CanCreateMixin"
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L'usage de `CanCreateMixin` est dangereux et ne doit en aucun cas être
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étendu.
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La façon dont ce mixin marche est qu'il valide le formulaire
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de création et crée l'objet sans le persister en base de données, puis
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vérifie les droits sur cet objet non-persisté.
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Le danger de ce système vient de multiples raisons :
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- Les vérifications se faisant sur un objet non persisté,
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l'utilisation de mécanismes nécessitant une persistance préalable
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peut mener à des comportements indésirés, voire à des erreurs.
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- Les développeurs de django ayant tendance à restreindre progressivement
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les actions qui peuvent être faites sur des objets non-persistés,
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les mises-à-jour de django deviennent plus compliquées.
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- La vérification des droits ne se fait que dans les requêtes POST,
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à la toute fin de la requête.
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Tout ce qui arrive avant n'est absolument pas protégé.
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Toute opération (même les suppressions et les créations) qui ont
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lieu avant la persistance de l'objet seront appliquées,
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même sans permission.
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- Si un développeur du site fait l'erreur de surcharger
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la méthode `form_valid` (ce qui est plutôt courant,
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lorsqu'on veut accomplir certaines actions
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quand un formulaire est valide), on peut se retrouver
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dans une situation où l'objet est persisté sans aucune protection.
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!!!danger "Performance"
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@@ -27,14 +27,14 @@ from functools import partial
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from django import forms
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from django.conf import settings
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from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.core.exceptions import PermissionDenied
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from django.core.paginator import EmptyPage, PageNotAnInteger, Paginator
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from django.db import IntegrityError
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from django.shortcuts import get_object_or_404
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from django.urls import reverse_lazy
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from django.utils import html, timezone
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from django.utils.decorators import method_decorator
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from django.utils.functional import cached_property
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import DetailView, ListView, RedirectView
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from django.views.generic.detail import SingleObjectMixin
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@@ -44,6 +44,7 @@ from honeypot.decorators import check_honeypot
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from club.widgets.ajax_select import AutoCompleteSelectClub
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from core.auth.mixins import (
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CanCreateMixin,
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CanEditMixin,
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CanEditPropMixin,
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CanViewMixin,
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@@ -179,19 +180,11 @@ class ForumForm(forms.ModelForm):
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)
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class ForumCreateView(UserPassesTestMixin, CreateView):
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class ForumCreateView(CanCreateMixin, CreateView):
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model = Forum
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form_class = ForumForm
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template_name = "core/create.jinja"
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def test_func(self):
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if self.request.user.has_perm("forum.add_forum"):
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return True
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parent = Forum.objects.filter(id=self.request.GET["parent"]).first()
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if parent is not None:
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return self.request.user.is_owner(parent)
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return False
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def get_initial(self):
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init = super().get_initial()
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parent = Forum.objects.filter(id=self.request.GET["parent"]).first()
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@@ -265,19 +258,18 @@ class TopicForm(forms.ModelForm):
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@method_decorator(
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partial(check_honeypot, field_name=settings.HONEYPOT_FIELD_NAME_FORUM), name="post"
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)
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class ForumTopicCreateView(LoginRequiredMixin, UserPassesTestMixin, CreateView):
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class ForumTopicCreateView(CanCreateMixin, CreateView):
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model = ForumMessage
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form_class = TopicForm
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template_name = "forum/reply.jinja"
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@cached_property
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def forum(self):
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return get_object_or_404(Forum, id=self.kwargs["forum_id"], is_category=False)
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def test_func(self):
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return self.request.user.has_perm("forum.add_forumtopic") or (
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self.request.user.can_view(self.forum)
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def dispatch(self, request, *args, **kwargs):
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self.forum = get_object_or_404(
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Forum, id=self.kwargs["forum_id"], is_category=False
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)
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if not request.user.can_view(self.forum):
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raise PermissionDenied
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return super().dispatch(request, *args, **kwargs)
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def form_valid(self, form):
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topic = ForumTopic(
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@@ -412,7 +404,7 @@ class ForumMessageUndeleteView(SingleObjectMixin, RedirectView):
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@method_decorator(
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partial(check_honeypot, field_name=settings.HONEYPOT_FIELD_NAME_FORUM), name="post"
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)
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class ForumMessageCreateView(LoginRequiredMixin, UserPassesTestMixin, CreateView):
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class ForumMessageCreateView(CanCreateMixin, CreateView):
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model = ForumMessage
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form_class = forms.modelform_factory(
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model=ForumMessage,
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@@ -421,14 +413,11 @@ class ForumMessageCreateView(LoginRequiredMixin, UserPassesTestMixin, CreateView
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)
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template_name = "forum/reply.jinja"
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@cached_property
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def topic(self):
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return get_object_or_404(ForumTopic, id=self.kwargs["topic_id"])
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def test_func(self):
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return self.request.user.has_perm(
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"forum.add_forummessage"
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) or self.request.user.can_view(self.topic)
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def dispatch(self, request, *args, **kwargs):
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self.topic = get_object_or_404(ForumTopic, id=self.kwargs["topic_id"])
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if not request.user.can_view(self.topic):
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raise PermissionDenied
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return super().dispatch(request, *args, **kwargs)
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def get_initial(self):
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init = super().get_initial()
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@@ -73,7 +73,7 @@ dev = [
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]
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tests = [
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"freezegun>=1.5.5,<2.0.0",
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"pytest>=8.4.2,<9.0.0",
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"pytest>=8.4.2,<10.0.0",
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"pytest-cov>=7.0.0,<8.0.0",
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"pytest-django<5.0.0,>=4.10.0",
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"model-bakery<2.0.0,>=1.20.4",
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@@ -27,7 +27,7 @@ from datetime import date
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from django import forms
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib.messages.views import SuccessMessageMixin
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from django.core.exceptions import PermissionDenied
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from django.db import IntegrityError
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@@ -35,13 +35,17 @@ from django.forms.models import modelform_factory
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from django.http import Http404, HttpResponseRedirect
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from django.shortcuts import get_object_or_404, redirect
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from django.urls import reverse, reverse_lazy
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from django.utils.functional import cached_property
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import DetailView, RedirectView, TemplateView, View
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from django.views.generic.edit import CreateView, DeleteView, UpdateView
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from club.models import Club
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from core.auth.mixins import CanEditMixin, CanEditPropMixin, CanViewMixin
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from core.auth.mixins import (
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CanCreateMixin,
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CanEditMixin,
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CanEditPropMixin,
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CanViewMixin,
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)
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from core.models import User
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from core.views.forms import SelectDate
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from core.views.mixins import TabedViewMixin
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@@ -113,25 +117,19 @@ class TrombiForm(forms.ModelForm):
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widgets = {"subscription_deadline": SelectDate, "comments_deadline": SelectDate}
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class TrombiCreateView(UserPassesTestMixin, CreateView):
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class TrombiCreateView(CanCreateMixin, CreateView):
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"""Create a trombi for a club."""
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model = Trombi
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form_class = TrombiForm
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template_name = "core/create.jinja"
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@cached_property
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def club(self):
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return get_object_or_404(Club, id=self.kwargs["club_id"])
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def test_func(self):
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return self.request.user.can_edit(self.club)
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def post(self, request, *args, **kwargs):
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"""Affect club."""
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form = self.get_form()
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if form.is_valid():
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form.instance.club = self.club
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club = get_object_or_404(Club, id=self.kwargs["club_id"])
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form.instance.club = club
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ret = self.form_valid(form)
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return ret
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else:
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