0d0445592e
This was really an edge case, but in any event the problem would occur when a user was logged in, and then that user account was deleted.
53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2012 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option)
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# any later version.
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#
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# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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# 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 Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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Authentication & Authorization
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"""
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from zope.interface import implementer
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from pyramid.interfaces import IAuthorizationPolicy
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from pyramid.security import Everyone, Authenticated
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from .db import Session
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from rattail.db.model import User
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from rattail.db.auth import has_permission
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@implementer(IAuthorizationPolicy)
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class TailboneAuthorizationPolicy(object):
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def permits(self, context, principals, permission):
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for userid in principals:
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if userid not in (Everyone, Authenticated):
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user = Session.query(User).get(userid)
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if user:
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return has_permission(Session(), user, permission)
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if Everyone in principals:
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return has_permission(Session(), None, permission)
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return False
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def principals_allowed_by_permission(self, context, permission):
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raise NotImplementedError
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