5271981119
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2388 fd906abe-77d9-0310-91a1-e0d9ade77398
66 lines
2.2 KiB
Python
66 lines
2.2 KiB
Python
#
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# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
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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 General Public License as published by
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# the Free Software Foundation; either version 2 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Security settings for blogs and blog posts.
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$Id$
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"""
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from zope.cachedescriptors.property import Lazy
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from zope.component import adapts
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from zope.interface import implements
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from zope.traversing.api import getName
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from loops.compound.blog.interfaces import IBlogPost
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from loops.security.common import allowEditingForOwner, assignOwner, restrictView
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from loops.security.common import getCurrentPrincipal
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from loops.security.setter import BaseSecuritySetter
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class BlogPostSecuritySetter(BaseSecuritySetter):
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adapts(IBlogPost)
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def setDefaultRolePermissions(self):
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allowEditingForOwner(self.context.context)
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def setDefaultPrincipalRoles(self):
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assignOwner(self.context.context, self.principalId)
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def setAcquiredRolePermissions(self, relation, revert=False):
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if isAcquiring(relation.predicate):
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allowEditingForOwner(relation.second, revert=revert)
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if self.context.private:
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restrictView(relation.second, revert=revert)
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def setAcquiredPrincipalRoles(self, relation, revert=False):
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if isAcquiring(relation.predicate):
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if revert:
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removeOwner(relation.second, self.principalId)
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else:
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assignOwner(relation.second, self.principalId)
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@Lazy
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def principalId(self):
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return getCurrentPrincipal().id
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def isAcquiring(predicate):
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# TODO: use a predicate property for this.
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return getName(predicate) in ('ispartof',)
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