66 lines
2.2 KiB
Python
66 lines
2.2 KiB
Python
# lingo - payment and billing system
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# Copyright (C) 2022 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by 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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# Decorating URL includes, <https://djangosnippets.org/snippets/2532/>
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from django.contrib.auth.decorators import user_passes_test
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from django.core.exceptions import PermissionDenied
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from django.urls.resolvers import URLPattern, URLResolver
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class DecoratedURLPattern(URLPattern):
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def resolve(self, *args, **kwargs):
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result = super().resolve(*args, **kwargs)
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if result:
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result.func = self._decorate_with(result.func)
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return result
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class DecoratedURLResolver(URLResolver):
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def resolve(self, *args, **kwargs):
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result = super().resolve(*args, **kwargs)
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if result:
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result.func = self._decorate_with(result.func)
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return result
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def decorated_includes(func, includes, *args, **kwargs):
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urlconf_module, app_name, namespace = includes
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for item in urlconf_module:
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if isinstance(item, URLResolver):
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item.__class__ = DecoratedURLResolver
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else:
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item.__class__ = DecoratedURLPattern
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item._decorate_with = func
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return urlconf_module, app_name, namespace
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def manager_required(function=None, login_url=None):
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def check_manager(user):
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if user and user.is_staff:
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return True
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if user and not user.is_anonymous:
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raise PermissionDenied()
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# As the last resort, show the login form
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return False
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actual_decorator = user_passes_test(check_manager, login_url=login_url)
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if function:
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return actual_decorator(function)
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return actual_decorator
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