5271981119
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2388 fd906abe-77d9-0310-91a1-e0d9ade77398
84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
#
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# Copyright (c) 2006 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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Utilities for the loops.organize package.
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$Id$
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"""
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from zope import interface, component, schema
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from zope.app.authentication.interfaces import IPluggableAuthentication
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from zope.app.authentication.interfaces import IAuthenticatorPlugin
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from zope.app.security.interfaces import IAuthentication
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from loops.common import adapted
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from loops.type import getOptionsDict
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defaultAuthPluginId = 'loops'
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def getPrincipalFolder(context=None, authPluginId=None, ignoreErrors=False):
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pau = component.getUtility(IAuthentication, context=context)
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if not IPluggableAuthentication.providedBy(pau):
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if ignoreErrors:
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return None
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raise ValueError(u'There is no pluggable authentication '
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'utility available.')
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if authPluginId is None and context is not None:
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person = context.getLoopsRoot().getConceptManager()['person']
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od = getOptionsDict(adapted(person).options)
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authPluginId = od.get('principalfolder', defaultAuthPluginId)
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if authPluginId is None:
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authPluginId = defaultAuthPluginId
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if authPluginId not in pau.authenticatorPlugins:
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if ignoreErrors:
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return None
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raise ValueError(u"There is no loops authenticator "
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"plugin '%s' available." % authPluginId)
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for name, plugin in pau.getAuthenticatorPlugins():
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if name == authPluginId:
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return plugin
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def getGroupsFolder(context=None, name='gloops'):
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return getPrincipalFolder(authPluginId=name, ignoreErrors=True)
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def getInternalPrincipal(id, context=None):
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pau = component.getUtility(IAuthentication, context=context)
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if not IPluggableAuthentication.providedBy(pau):
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raise ValueError(u'There is no pluggable authentication '
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'utility available.')
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if not id.startswith(pau.prefix):
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next = queryNextUtility(pau, IAuthentication)
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if next is None:
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raise PrincipalLookupError(id)
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return next.getPrincipal(id)
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id = id[len(pau.prefix):]
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for name, authplugin in pau.getAuthenticatorPlugins():
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if not id.startswith(authplugin.prefix):
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continue
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principal = authplugin.get(id[len(authplugin.prefix):])
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if principal is None:
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continue
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return principal
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next = queryNextUtility(pau, IAuthentication)
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if next is not None:
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return next.getPrincipal(pau.prefix + id)
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raise PrincipalLookupError(id)
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