Sith/core/views/__init__.py

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from django.shortcuts import render
from django.http import HttpResponseForbidden
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from django.core.exceptions import PermissionDenied, ObjectDoesNotExist
from django.views.generic.base import View
from core.models import Group
def forbidden(request):
return render(request, "core/403.html")
def not_found(request):
return render(request, "core/404.html")
# TODO: see models.py's TODO!
class CanEditPropMixin(View):
"""
This view is made to protect any child view that would be showing some properties of an object that are restricted
to only the owner group of the given object.
In other word, you can make a view with this view as parent, and it would be retricted to the users that are in the
object's owner_group
"""
def dispatch(self, request, *arg, **kwargs):
res = super(CanEditPropMixin, self).dispatch(request, *arg, **kwargs)
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if self.object is None or self.request.user.is_owner(self.object):
return res
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try: # Always unlock when 403
self.object.unset_lock()
except: pass
raise PermissionDenied
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class CanEditMixin(View):
"""
This view makes exactly the same this as its direct parent, but checks the group on the edit_group field of the
object
"""
def dispatch(self, request, *arg, **kwargs):
# TODO: WIP: fix permissions with exceptions!
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res = super(CanEditMixin, self).dispatch(request, *arg, **kwargs)
if self.object is None or self.request.user.can_edit(self.object):
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return res
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try: # Always unlock when 403
self.object.unset_lock()
except: pass
raise PermissionDenied
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class CanViewMixin(View):
"""
This view still makes exactly the same this as its direct parent, but checks the group on the view_group field of
the object
"""
def dispatch(self, request, *arg, **kwargs):
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res = super(CanViewMixin, self).dispatch(request, *arg, **kwargs)
if self.object is None or self.request.user.can_view(self.object):
return res
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try: # Always unlock when 403
self.object.unset_lock()
except: pass
raise PermissionDenied
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from .user import *
from .page import *
from .site import *
from .group import *