60 lines
2 KiB
Python
60 lines
2 KiB
Python
#
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# gvacommon - common parts of gnuviechadmin
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# Copyright (C) 2015-2016 Jan Dittberner
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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This module defines mixins for gnuviechadmin views.
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"""
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from __future__ import unicode_literals
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.http import HttpResponseForbidden
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from django.utils.translation import ugettext as _
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class StaffOrSelfLoginRequiredMixin(LoginRequiredMixin):
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"""
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Mixin that makes sure that a user is logged in and matches the current
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customer or is a staff user.
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"""
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def dispatch(self, request, *args, **kwargs):
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if (
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request.user.is_staff or
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request.user == self.get_customer_object()
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):
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return super(StaffOrSelfLoginRequiredMixin, self).dispatch(
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request, *args, **kwargs
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)
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return HttpResponseForbidden(
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_('You are not allowed to view this page.')
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)
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def get_customer_object(self):
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"""
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Views based on this mixin have to implement this method to return
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the customer that must be an object of the same class as the
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django.contrib.auth user type.
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:return: customer
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:rtype: settings.AUTH_USER_MODEL
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"""
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raise NotImplementedError(
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"subclass has to implement get_customer_object")
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