diff -r d3668ecd9137 -r 738abc5935c9 ztfy/utils/security.py
--- a/ztfy/utils/security.py	Wed Jun 20 16:29:53 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,84 +0,0 @@
-### -*- coding: utf-8 -*- ####################################################
-##############################################################################
-#
-# Copyright (c) 2008 Thierry Florac <tflorac AT ulthar.net>
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE.
-#
-##############################################################################
-
-
-# import standard packages
-from persistent.list import PersistentList
-from persistent.dict import PersistentDict
-
-# import Zope3 interfaces
-from zope.authentication.interfaces import IAuthentication
-from zope.pluggableauth.interfaces import IPrincipalInfo
-
-# import local interfaces
-
-# import Zope3 packages
-from zc.set import Set
-from zope.component import getUtility
-from zope.deprecation.deprecation import deprecate
-from zope.i18n import translate
-from zope.interface import implements
-from zope.security.proxy import removeSecurityProxy
-
-# import local packages
-from ztfy.utils.request import getRequest
-
-from ztfy.utils import _
-
-
-def unproxied(value):
-    """Remove security proxies from given value ; if value is a list or dict, all elements are unproxied"""
-    if isinstance(value, (list, PersistentList)):
-        result = []
-        for v in value:
-            result.append(unproxied(v))
-    elif isinstance(value, (dict, PersistentDict)):
-        result = value.copy()
-        for v in value:
-            result[v] = unproxied(value[v])
-    elif isinstance(value, (set, Set)):
-        result = []
-        for v in value:
-            result.append(unproxied(v))
-    else:
-        result = removeSecurityProxy(value)
-    return result
-
-
-@deprecate("ztfy.utils.security.MissingPrincipal is deprecated. Use ztfy.security.search.MissingPrincipal class instead.")
-class MissingPrincipal(object):
-
-    implements(IPrincipalInfo)
-
-    def __init__(self, id):
-        self.id = id
-        self.request = getRequest()
-
-    @property
-    def title(self):
-        return translate(_("< missing principal %s >"), context=self.request) % self.id
-
-    @property
-    def description(self):
-        return translate(_("This principal can't be found in any authentication utility..."), context=self.request)
-
-
-@deprecate("ztfy.utils.security.getPrincipal is deprecated. Use ztfy.security.search.getPrincipal function instead.")
-def getPrincipal(uid):
-    principals = getUtility(IAuthentication)
-    try:
-        return principals.getPrincipal(uid)
-    except:
-        return MissingPrincipal(uid)