cubicweb/server/test/unittest_security.py
changeset 11057 0b59724cb3f2
parent 10769 c45f4bcff3aa
child 11195 5de859b95988
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/server/test/unittest_security.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,688 @@
+# copyright 2003-2014 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of CubicWeb.
+#
+# CubicWeb is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+"""functional tests for server'security"""
+
+from six.moves import range
+
+from logilab.common.testlib import unittest_main
+
+from cubicweb.devtools.testlib import CubicWebTC
+from cubicweb import Unauthorized, ValidationError, QueryError, Binary
+from cubicweb.schema import ERQLExpression
+from cubicweb.server.querier import get_local_checks, check_relations_read_access
+from cubicweb.server.utils import _CRYPTO_CTX
+
+
+class BaseSecurityTC(CubicWebTC):
+
+    def setup_database(self):
+        super(BaseSecurityTC, self).setup_database()
+        with self.admin_access.client_cnx() as cnx:
+            self.create_user(cnx, u'iaminusersgrouponly')
+            hash = _CRYPTO_CTX.encrypt('oldpassword', scheme='des_crypt')
+            self.create_user(cnx, u'oldpassword', password=Binary(hash.encode('ascii')))
+
+class LowLevelSecurityFunctionTC(BaseSecurityTC):
+
+    def test_check_relation_read_access(self):
+        rql = u'Personne U WHERE U nom "managers"'
+        rqlst = self.repo.vreg.rqlhelper.parse(rql).children[0]
+        nom = self.repo.schema['Personne'].rdef('nom')
+        with self.temporary_permissions((nom, {'read': ('users', 'managers')})):
+            with self.admin_access.repo_cnx() as cnx:
+                self.repo.vreg.solutions(cnx, rqlst, None)
+                check_relations_read_access(cnx, rqlst, {})
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                self.assertRaises(Unauthorized,
+                                  check_relations_read_access,
+                                  cnx, rqlst, {})
+                self.assertRaises(Unauthorized, cnx.execute, rql)
+
+    def test_get_local_checks(self):
+        rql = u'Personne U WHERE U nom "managers"'
+        rqlst = self.repo.vreg.rqlhelper.parse(rql).children[0]
+        with self.temporary_permissions(Personne={'read': ('users', 'managers')}):
+            with self.admin_access.repo_cnx() as cnx:
+                self.repo.vreg.solutions(cnx, rqlst, None)
+                solution = rqlst.solutions[0]
+                localchecks = get_local_checks(cnx, rqlst, solution)
+                self.assertEqual({}, localchecks)
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                self.assertRaises(Unauthorized,
+                                  get_local_checks,
+                                  cnx, rqlst, solution)
+                self.assertRaises(Unauthorized, cnx.execute, rql)
+
+    def test_upassword_not_selectable(self):
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertRaises(Unauthorized,
+                              cnx.execute, 'Any X,P WHERE X is CWUser, X upassword P')
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            self.assertRaises(Unauthorized,
+                              cnx.execute, 'Any X,P WHERE X is CWUser, X upassword P')
+
+    def test_update_password(self):
+        """Ensure that if a user's password is stored with a deprecated hash,
+        it will be updated on next login
+        """
+        with self.repo.internal_cnx() as cnx:
+            oldhash = cnx.system_sql("SELECT cw_upassword FROM cw_CWUser "
+                                         "WHERE cw_login = 'oldpassword'").fetchone()[0]
+            oldhash = self.repo.system_source.binary_to_str(oldhash)
+            self.repo.close(self.repo.connect('oldpassword', password='oldpassword'))
+            newhash = cnx.system_sql("SELECT cw_upassword FROM cw_CWUser "
+                                     "WHERE cw_login = 'oldpassword'").fetchone()[0]
+            newhash = self.repo.system_source.binary_to_str(newhash)
+            self.assertNotEqual(oldhash, newhash)
+            self.assertTrue(newhash.startswith(b'$6$'))
+            self.repo.close(self.repo.connect('oldpassword', password='oldpassword'))
+            newnewhash = cnx.system_sql("SELECT cw_upassword FROM cw_CWUser WHERE "
+                                        "cw_login = 'oldpassword'").fetchone()[0]
+            newnewhash = self.repo.system_source.binary_to_str(newnewhash)
+            self.assertEqual(newhash, newnewhash)
+
+
+class SecurityRewritingTC(BaseSecurityTC):
+    def hijack_source_execute(self):
+        def syntax_tree_search(*args, **kwargs):
+            self.query = (args, kwargs)
+            return []
+        self.repo.system_source.syntax_tree_search = syntax_tree_search
+
+    def tearDown(self):
+        self.repo.system_source.__dict__.pop('syntax_tree_search', None)
+        super(SecurityRewritingTC, self).tearDown()
+
+    def test_not_relation_read_security(self):
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            self.hijack_source_execute()
+            cnx.execute('Any U WHERE NOT A todo_by U, A is Affaire')
+            self.assertEqual(self.query[0][1].as_string(),
+                              'Any U WHERE NOT EXISTS(A todo_by U), A is Affaire')
+            cnx.execute('Any U WHERE NOT EXISTS(A todo_by U), A is Affaire')
+            self.assertEqual(self.query[0][1].as_string(),
+                              'Any U WHERE NOT EXISTS(A todo_by U), A is Affaire')
+
+class SecurityTC(BaseSecurityTC):
+
+    def setUp(self):
+        super(SecurityTC, self).setUp()
+        # implicitly test manager can add some entities
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("INSERT Affaire X: X sujet 'cool'")
+            cnx.execute("INSERT Societe X: X nom 'logilab'")
+            cnx.execute("INSERT Personne X: X nom 'bidule'")
+            cnx.execute('INSERT CWGroup X: X name "staff"')
+            cnx.commit()
+
+    def test_insert_security(self):
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'bidule'")
+            self.assertRaises(Unauthorized, cnx.commit)
+            self.assertEqual(cnx.execute('Personne X').rowcount, 1)
+
+    def test_insert_security_2(self):
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            cnx.execute("INSERT Affaire X")
+            self.assertRaises(Unauthorized, cnx.commit)
+            # anon has no read permission on Affaire entities, so
+            # rowcount == 0
+            self.assertEqual(cnx.execute('Affaire X').rowcount, 0)
+
+    def test_insert_rql_permission(self):
+        # test user can only add une affaire related to a societe he owns
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("INSERT Affaire X: X sujet 'cool'")
+            self.assertRaises(Unauthorized, cnx.commit)
+        # test nothing has actually been inserted
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertEqual(cnx.execute('Affaire X').rowcount, 1)
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("INSERT Affaire X: X sujet 'cool'")
+            cnx.execute("INSERT Societe X: X nom 'chouette'")
+            cnx.execute("SET A concerne S WHERE A sujet 'cool', S nom 'chouette'")
+            cnx.commit()
+
+    def test_update_security_1(self):
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            # local security check
+            cnx.execute( "SET X nom 'bidulechouette' WHERE X is Personne")
+            self.assertRaises(Unauthorized, cnx.commit)
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertEqual(cnx.execute('Personne X WHERE X nom "bidulechouette"').rowcount, 0)
+
+    def test_update_security_2(self):
+        with self.temporary_permissions(Personne={'read': ('users', 'managers'),
+                                                  'add': ('guests', 'users', 'managers')}):
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                self.assertRaises(Unauthorized, cnx.execute,
+                                  "SET X nom 'bidulechouette' WHERE X is Personne")
+        # test nothing has actually been inserted
+        with self.admin_access.repo_cnx() as cnx:
+            self.assertEqual(cnx.execute('Personne X WHERE X nom "bidulechouette"').rowcount, 0)
+
+    def test_update_security_3(self):
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'biduuule'")
+            cnx.execute("INSERT Societe X: X nom 'looogilab'")
+            cnx.execute("SET X travaille S WHERE X nom 'biduuule', S nom 'looogilab'")
+
+    def test_insert_immutable_attribute_update(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.create_entity('Old', name=u'Babar')
+            cnx.commit()
+            # this should be equivalent
+            o = cnx.create_entity('Old')
+            o.cw_set(name=u'Celeste')
+            cnx.commit()
+
+    def test_update_rql_permission(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            cnx.commit()
+        # test user can only update une affaire related to a societe he owns
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("SET X sujet 'pascool' WHERE X is Affaire")
+            # this won't actually do anything since the selection query won't return anything
+            cnx.commit()
+            # to actually get Unauthorized exception, try to update an entity we can read
+            cnx.execute("SET X nom 'toto' WHERE X is Societe")
+            self.assertRaises(Unauthorized, cnx.commit)
+            cnx.execute("INSERT Affaire X: X sujet 'pascool'")
+            cnx.execute("INSERT Societe X: X nom 'chouette'")
+            cnx.execute("SET A concerne S WHERE A sujet 'pascool', S nom 'chouette'")
+            cnx.execute("SET X sujet 'habahsicestcool' WHERE X sujet 'pascool'")
+            cnx.commit()
+
+    def test_delete_security(self):
+        # FIXME: sample below fails because we don't detect "owner" can't delete
+        # user anyway, and since no user with login == 'bidule' exists, no
+        # exception is raised
+        #user._groups = {'guests':1}
+        #self.assertRaises(Unauthorized,
+        #                  self.o.execute, user, "DELETE CWUser X WHERE X login 'bidule'")
+        # check local security
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            self.assertRaises(Unauthorized, cnx.execute, "DELETE CWGroup Y WHERE Y name 'staff'")
+
+    def test_delete_rql_permission(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            cnx.commit()
+        # test user can only dele une affaire related to a societe he owns
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            # this won't actually do anything since the selection query won't return anything
+            cnx.execute("DELETE Affaire X")
+            cnx.commit()
+            # to actually get Unauthorized exception, try to delete an entity we can read
+            self.assertRaises(Unauthorized, cnx.execute, "DELETE Societe S")
+            self.assertRaises(QueryError, cnx.commit) # can't commit anymore
+            cnx.rollback()
+            cnx.execute("INSERT Affaire X: X sujet 'pascool'")
+            cnx.execute("INSERT Societe X: X nom 'chouette'")
+            cnx.execute("SET A concerne S WHERE A sujet 'pascool', S nom 'chouette'")
+            cnx.commit()
+##         # this one should fail since it will try to delete two affaires, one authorized
+##         # and the other not
+##         self.assertRaises(Unauthorized, cnx.execute, "DELETE Affaire X")
+            cnx.execute("DELETE Affaire X WHERE X sujet 'pascool'")
+            cnx.commit()
+
+    def test_insert_relation_rql_permission(self):
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            # should raise Unauthorized since user don't own S though this won't
+            # actually do anything since the selection query won't return
+            # anything
+            cnx.commit()
+            # to actually get Unauthorized exception, try to insert a relation
+            # were we can read both entities
+            rset = cnx.execute('Personne P')
+            self.assertEqual(len(rset), 1)
+            ent = rset.get_entity(0, 0)
+            self.assertFalse(cnx.execute('Any P,S WHERE P travaille S,P is Personne, S is Societe'))
+            self.assertRaises(Unauthorized, ent.cw_check_perm, 'update')
+            self.assertRaises(Unauthorized,
+                              cnx.execute, "SET P travaille S WHERE P is Personne, S is Societe")
+            self.assertRaises(QueryError, cnx.commit) # can't commit anymore
+            cnx.rollback()
+            # test nothing has actually been inserted:
+            self.assertFalse(cnx.execute('Any P,S WHERE P travaille S,P is Personne, S is Societe'))
+            cnx.execute("INSERT Societe X: X nom 'chouette'")
+            cnx.execute("SET A concerne S WHERE A is Affaire, S nom 'chouette'")
+            cnx.commit()
+
+    def test_delete_relation_rql_permission(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            # this won't actually do anything since the selection query won't return anything
+            cnx.execute("DELETE A concerne S")
+            cnx.commit()
+        with self.admin_access.repo_cnx() as cnx:
+            # to actually get Unauthorized exception, try to delete a relation we can read
+            eid = cnx.execute("INSERT Affaire X: X sujet 'pascool'")[0][0]
+            cnx.execute('SET X owned_by U WHERE X eid %(x)s, U login "iaminusersgrouponly"',
+                         {'x': eid})
+            cnx.execute("SET A concerne S WHERE A sujet 'pascool', S is Societe")
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            self.assertRaises(Unauthorized, cnx.execute, "DELETE A concerne S")
+            self.assertRaises(QueryError, cnx.commit) # can't commit anymore
+            cnx.rollback()
+            cnx.execute("INSERT Societe X: X nom 'chouette'")
+            cnx.execute("SET A concerne S WHERE A is Affaire, S nom 'chouette'")
+            cnx.commit()
+            cnx.execute("DELETE A concerne S WHERE S nom 'chouette'")
+            cnx.commit()
+
+
+    def test_user_can_change_its_upassword(self):
+        with self.admin_access.repo_cnx() as cnx:
+            ueid = self.create_user(cnx, u'user').eid
+        with self.new_access(u'user').repo_cnx() as cnx:
+            cnx.execute('SET X upassword %(passwd)s WHERE X eid %(x)s',
+                       {'x': ueid, 'passwd': b'newpwd'})
+            cnx.commit()
+        self.repo.close(self.repo.connect('user', password='newpwd'))
+
+    def test_user_cant_change_other_upassword(self):
+        with self.admin_access.repo_cnx() as cnx:
+            ueid = self.create_user(cnx, u'otheruser').eid
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute('SET X upassword %(passwd)s WHERE X eid %(x)s',
+                       {'x': ueid, 'passwd': b'newpwd'})
+            self.assertRaises(Unauthorized, cnx.commit)
+
+    # read security test
+
+    def test_read_base(self):
+        with self.temporary_permissions(Personne={'read': ('users', 'managers')}):
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                self.assertRaises(Unauthorized,
+                                  cnx.execute, 'Personne U where U nom "managers"')
+
+    def test_read_erqlexpr_base(self):
+        with self.admin_access.repo_cnx() as cnx:
+            eid = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            rset = cnx.execute('Affaire X')
+            self.assertEqual(rset.rows, [])
+            self.assertRaises(Unauthorized, cnx.execute, 'Any X WHERE X eid %(x)s', {'x': eid})
+            # cache test
+            self.assertRaises(Unauthorized, cnx.execute, 'Any X WHERE X eid %(x)s', {'x': eid})
+            aff2 = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            soc1 = cnx.execute("INSERT Societe X: X nom 'chouette'")[0][0]
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            cnx.commit()
+            rset = cnx.execute('Any X WHERE X eid %(x)s', {'x': aff2})
+            self.assertEqual(rset.rows, [[aff2]])
+            # more cache test w/ NOT eid
+            rset = cnx.execute('Affaire X WHERE NOT X eid %(x)s', {'x': eid})
+            self.assertEqual(rset.rows, [[aff2]])
+            rset = cnx.execute('Affaire X WHERE NOT X eid %(x)s', {'x': aff2})
+            self.assertEqual(rset.rows, [])
+            # test can't update an attribute of an entity that can't be readen
+            self.assertRaises(Unauthorized, cnx.execute,
+                              'SET X sujet "hacked" WHERE X eid %(x)s', {'x': eid})
+
+
+    def test_entity_created_in_transaction(self):
+        affschema = self.schema['Affaire']
+        with self.temporary_permissions(Affaire={'read': affschema.permissions['add']}):
+            with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+                aff2 = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+                # entity created in transaction are readable *by eid*
+                self.assertTrue(cnx.execute('Any X WHERE X eid %(x)s', {'x':aff2}))
+                # XXX would be nice if it worked
+                rset = cnx.execute("Affaire X WHERE X sujet 'cool'")
+                self.assertEqual(len(rset), 0)
+                self.assertRaises(Unauthorized, cnx.commit)
+
+    def test_read_erqlexpr_has_text1(self):
+        with self.admin_access.repo_cnx() as cnx:
+            aff1 = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            card1 = cnx.execute("INSERT Card X: X title 'cool'")[0][0]
+            cnx.execute('SET X owned_by U WHERE X eid %(x)s, U login "iaminusersgrouponly"',
+                        {'x': card1})
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            aff2 = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            soc1 = cnx.execute("INSERT Societe X: X nom 'chouette'")[0][0]
+            cnx.execute("SET A concerne S WHERE A eid %(a)s, S eid %(s)s", {'a': aff2, 's': soc1})
+            cnx.commit()
+            self.assertRaises(Unauthorized, cnx.execute, 'Any X WHERE X eid %(x)s', {'x':aff1})
+            self.assertTrue(cnx.execute('Any X WHERE X eid %(x)s', {'x':aff2}))
+            self.assertTrue(cnx.execute('Any X WHERE X eid %(x)s', {'x':card1}))
+            rset = cnx.execute("Any X WHERE X has_text 'cool'")
+            self.assertEqual(sorted(eid for eid, in rset.rows),
+                              [card1, aff2])
+
+    def test_read_erqlexpr_has_text2(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'bidule'")
+            cnx.execute("INSERT Societe X: X nom 'bidule'")
+            cnx.commit()
+        with self.temporary_permissions(Personne={'read': ('managers',)}):
+            with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+                rset = cnx.execute('Any N WHERE N has_text "bidule"')
+                self.assertEqual(len(rset.rows), 1, rset.rows)
+                rset = cnx.execute('Any N WITH N BEING (Any N WHERE N has_text "bidule")')
+                self.assertEqual(len(rset.rows), 1, rset.rows)
+
+    def test_read_erqlexpr_optional_rel(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'bidule'")
+            cnx.execute("INSERT Societe X: X nom 'bidule'")
+            cnx.commit()
+        with self.temporary_permissions(Personne={'read': ('managers',)}):
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                rset = cnx.execute('Any N,U WHERE N has_text "bidule", N owned_by U?')
+                self.assertEqual(len(rset.rows), 1, rset.rows)
+
+    def test_read_erqlexpr_aggregat(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            rset = cnx.execute('Any COUNT(X) WHERE X is Affaire')
+            self.assertEqual(rset.rows, [[0]])
+            aff2 = cnx.execute("INSERT Affaire X: X sujet 'cool'")[0][0]
+            soc1 = cnx.execute("INSERT Societe X: X nom 'chouette'")[0][0]
+            cnx.execute("SET A concerne S WHERE A is Affaire, S is Societe")
+            cnx.commit()
+            rset = cnx.execute('Any COUNT(X) WHERE X is Affaire')
+            self.assertEqual(rset.rows, [[1]])
+            rset = cnx.execute('Any ETN, COUNT(X) GROUPBY ETN WHERE X is ET, ET name ETN')
+            values = dict(rset)
+            self.assertEqual(values['Affaire'], 1)
+            self.assertEqual(values['Societe'], 2)
+            rset = cnx.execute('Any ETN, COUNT(X) GROUPBY ETN WHERE X is ET, ET name ETN '
+                              'WITH X BEING ((Affaire X) UNION (Societe X))')
+            self.assertEqual(len(rset), 2)
+            values = dict(rset)
+            self.assertEqual(values['Affaire'], 1)
+            self.assertEqual(values['Societe'], 2)
+
+
+    def test_attribute_security(self):
+        with self.admin_access.repo_cnx() as cnx:
+            # only managers should be able to edit the 'test' attribute of Personne entities
+            eid = cnx.execute("INSERT Personne X: X nom 'bidule', "
+                               "X web 'http://www.debian.org', X test TRUE")[0][0]
+            cnx.execute('SET X test FALSE WHERE X eid %(x)s', {'x': eid})
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'bidule', "
+                       "X web 'http://www.debian.org', X test TRUE")
+            self.assertRaises(Unauthorized, cnx.commit)
+            cnx.execute("INSERT Personne X: X nom 'bidule', "
+                       "X web 'http://www.debian.org', X test FALSE")
+            self.assertRaises(Unauthorized, cnx.commit)
+            eid = cnx.execute("INSERT Personne X: X nom 'bidule', "
+                             "X web 'http://www.debian.org'")[0][0]
+            cnx.commit()
+            cnx.execute('SET X test FALSE WHERE X eid %(x)s', {'x': eid})
+            self.assertRaises(Unauthorized, cnx.commit)
+            cnx.execute('SET X test TRUE WHERE X eid %(x)s', {'x': eid})
+            self.assertRaises(Unauthorized, cnx.commit)
+            cnx.execute('SET X web "http://www.logilab.org" WHERE X eid %(x)s', {'x': eid})
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute('INSERT Frozable F: F name "Foo"')
+            cnx.commit()
+            cnx.execute('SET F name "Bar" WHERE F is Frozable')
+            cnx.commit()
+            cnx.execute('SET F name "BaBar" WHERE F is Frozable')
+            cnx.execute('SET F frozen True WHERE F is Frozable')
+            with self.assertRaises(Unauthorized):
+                cnx.commit()
+            cnx.rollback()
+            cnx.execute('SET F frozen True WHERE F is Frozable')
+            cnx.commit()
+            cnx.execute('SET F name "Bar" WHERE F is Frozable')
+            with self.assertRaises(Unauthorized):
+                cnx.commit()
+
+    def test_attribute_security_rqlexpr(self):
+        with self.admin_access.repo_cnx() as cnx:
+            # Note.para attribute editable by managers or if the note is in "todo" state
+            note = cnx.execute("INSERT Note X: X para 'bidule'").get_entity(0, 0)
+            cnx.commit()
+            note.cw_adapt_to('IWorkflowable').fire_transition('markasdone')
+            cnx.execute('SET X para "truc" WHERE X eid %(x)s', {'x': note.eid})
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute("SET X para 'chouette' WHERE X eid %(x)s", {'x': note.eid})
+            self.assertRaises(Unauthorized, cnx.commit)
+            note2 = cnx.execute("INSERT Note X: X para 'bidule'").get_entity(0, 0)
+            cnx.commit()
+            note2.cw_adapt_to('IWorkflowable').fire_transition('markasdone')
+            cnx.commit()
+            self.assertEqual(len(cnx.execute('Any X WHERE X in_state S, S name "todo", X eid %(x)s',
+                                            {'x': note2.eid})),
+                              0)
+            cnx.execute("SET X para 'chouette' WHERE X eid %(x)s", {'x': note2.eid})
+            self.assertRaises(Unauthorized, cnx.commit)
+            note2.cw_adapt_to('IWorkflowable').fire_transition('redoit')
+            cnx.commit()
+            cnx.execute("SET X para 'chouette' WHERE X eid %(x)s", {'x': note2.eid})
+            cnx.commit()
+            cnx.execute("INSERT Note X: X something 'A'")
+            self.assertRaises(Unauthorized, cnx.commit)
+            cnx.execute("INSERT Note X: X para 'zogzog', X something 'A'")
+            cnx.commit()
+            note = cnx.execute("INSERT Note X").get_entity(0,0)
+            cnx.commit()
+            note.cw_set(something=u'B')
+            cnx.commit()
+            note.cw_set(something=None, para=u'zogzog')
+            cnx.commit()
+
+    def test_attribute_read_security(self):
+        # anon not allowed to see users'login, but they can see users
+        login_rdef = self.repo.schema['CWUser'].rdef('login')
+        with self.temporary_permissions((login_rdef, {'read': ('users', 'managers')}),
+                                        CWUser={'read': ('guests', 'users', 'managers')}):
+            with self.new_access(u'anon').repo_cnx() as cnx:
+                rset = cnx.execute('CWUser X')
+                self.assertTrue(rset)
+                x = rset.get_entity(0, 0)
+                x.complete()
+                self.assertEqual(x.login, None)
+                self.assertTrue(x.creation_date)
+                x = rset.get_entity(1, 0)
+                x.complete()
+                self.assertEqual(x.login, None)
+                self.assertTrue(x.creation_date)
+
+    def test_yams_inheritance_and_security_bug(self):
+        with self.temporary_permissions(Division={'read': ('managers',
+                                                           ERQLExpression('X owned_by U'))}):
+            with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+                querier = cnx.repo.querier
+                rqlst = querier.parse('Any X WHERE X is_instance_of Societe')
+                querier.solutions(cnx, rqlst, {})
+                querier._annotate(rqlst)
+                plan = querier.plan_factory(rqlst, {}, cnx)
+                plan.preprocess(rqlst)
+                self.assertEqual(
+                    rqlst.as_string(),
+                    '(Any X WHERE X is IN(Societe, SubDivision)) UNION '
+                    '(Any X WHERE X is Division, EXISTS(X owned_by %(B)s))')
+
+
+class BaseSchemaSecurityTC(BaseSecurityTC):
+    """tests related to the base schema permission configuration"""
+
+    def test_user_can_delete_object_he_created(self):
+        # even if some other user have changed object'state
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            # due to security test, affaire has to concerne a societe the user owns
+            cnx.execute('INSERT Societe X: X nom "ARCTIA"')
+            cnx.execute('INSERT Affaire X: X ref "ARCT01", X concerne S WHERE S nom "ARCTIA"')
+            cnx.commit()
+        with self.admin_access.repo_cnx() as cnx:
+            affaire = cnx.execute('Any X WHERE X ref "ARCT01"').get_entity(0, 0)
+            affaire.cw_adapt_to('IWorkflowable').fire_transition('abort')
+            cnx.commit()
+            self.assertEqual(len(cnx.execute('TrInfo X WHERE X wf_info_for A, A ref "ARCT01"')),
+                             1)
+            self.assertEqual(len(cnx.execute('TrInfo X WHERE X wf_info_for A, A ref "ARCT01",'
+                                              'X owned_by U, U login "admin"')),
+                             1) # TrInfo at the above state change
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            cnx.execute('DELETE Affaire X WHERE X ref "ARCT01"')
+            cnx.commit()
+            self.assertFalse(cnx.execute('Affaire X'))
+
+    def test_users_and_groups_non_readable_by_guests(self):
+        with self.repo.internal_cnx() as cnx:
+            admineid = cnx.execute('CWUser U WHERE U login "admin"').rows[0][0]
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            anon = cnx.user
+            # anonymous user can only read itself
+            rset = cnx.execute('Any L WHERE X owned_by U, U login L')
+            self.assertEqual([['anon']], rset.rows)
+            rset = cnx.execute('CWUser X')
+            self.assertEqual([[anon.eid]], rset.rows)
+            # anonymous user can read groups (necessary to check allowed transitions for instance)
+            self.assertTrue(cnx.execute('CWGroup X'))
+            # should only be able to read the anonymous user, not another one
+            self.assertRaises(Unauthorized,
+                              cnx.execute, 'CWUser X WHERE X eid %(x)s', {'x': admineid})
+            rset = cnx.execute('CWUser X WHERE X eid %(x)s', {'x': anon.eid})
+            self.assertEqual([[anon.eid]], rset.rows)
+            # but can't modify it
+            cnx.execute('SET X login "toto" WHERE X eid %(x)s', {'x': anon.eid})
+            self.assertRaises(Unauthorized, cnx.commit)
+
+    def test_in_group_relation(self):
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            rql = u"DELETE U in_group G WHERE U login 'admin'"
+            self.assertRaises(Unauthorized, cnx.execute, rql)
+            rql = u"SET U in_group G WHERE U login 'admin', G name 'users'"
+            self.assertRaises(Unauthorized, cnx.execute, rql)
+
+    def test_owned_by(self):
+        with self.admin_access.repo_cnx() as cnx:
+            cnx.execute("INSERT Personne X: X nom 'bidule'")
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            rql = u"SET X owned_by U WHERE U login 'iaminusersgrouponly', X is Personne"
+            self.assertRaises(Unauthorized, cnx.execute, rql)
+
+    def test_bookmarked_by_guests_security(self):
+        with self.admin_access.repo_cnx() as cnx:
+            beid1 = cnx.execute('INSERT Bookmark B: B path "?vid=manage", B title "manage"')[0][0]
+            beid2 = cnx.execute('INSERT Bookmark B: B path "?vid=index", B title "index", '
+                                'B bookmarked_by U WHERE U login "anon"')[0][0]
+            cnx.commit()
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            anoneid = cnx.user.eid
+            self.assertEqual(cnx.execute('Any T,P ORDERBY lower(T) WHERE B is Bookmark,B title T,B path P,'
+                                         'B bookmarked_by U, U eid %s' % anoneid).rows,
+                              [['index', '?vid=index']])
+            self.assertEqual(cnx.execute('Any T,P ORDERBY lower(T) WHERE B is Bookmark,B title T,B path P,'
+                                         'B bookmarked_by U, U eid %(x)s', {'x': anoneid}).rows,
+                              [['index', '?vid=index']])
+            # can read others bookmarks as well
+            self.assertEqual(cnx.execute('Any B where B is Bookmark, NOT B bookmarked_by U').rows,
+                              [[beid1]])
+            self.assertRaises(Unauthorized, cnx.execute,'DELETE B bookmarked_by U')
+            self.assertRaises(Unauthorized,
+                              cnx.execute, 'SET B bookmarked_by U WHERE U eid %(x)s, B eid %(b)s',
+                              {'x': anoneid, 'b': beid1})
+
+    def test_ambigous_ordered(self):
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            names = [t for t, in cnx.execute('Any N ORDERBY lower(N) WHERE X name N')]
+            self.assertEqual(names, sorted(names, key=lambda x: x.lower()))
+
+    def test_in_state_without_update_perm(self):
+        """check a user change in_state without having update permission on the
+        subject
+        """
+        with self.admin_access.repo_cnx() as cnx:
+            eid = cnx.execute('INSERT Affaire X: X ref "ARCT01"')[0][0]
+            cnx.commit()
+        with self.new_access(u'iaminusersgrouponly').repo_cnx() as cnx:
+            # needed to remove rql expr granting update perm to the user
+            affschema = self.schema['Affaire']
+            with self.temporary_permissions(Affaire={'update': affschema.get_groups('update'),
+                                                     'read': ('users',)}):
+                self.assertRaises(Unauthorized,
+                                  affschema.check_perm, cnx, 'update', eid=eid)
+                aff = cnx.execute('Any X WHERE X ref "ARCT01"').get_entity(0, 0)
+                aff.cw_adapt_to('IWorkflowable').fire_transition('abort')
+                cnx.commit()
+                # though changing a user state (even logged user) is reserved to managers
+                user = cnx.user
+                # XXX wether it should raise Unauthorized or ValidationError is not clear
+                # the best would probably ValidationError if the transition doesn't exist
+                # from the current state but Unauthorized if it exists but user can't pass it
+                self.assertRaises(ValidationError,
+                                  user.cw_adapt_to('IWorkflowable').fire_transition, 'deactivate')
+
+    def test_trinfo_security(self):
+        with self.admin_access.repo_cnx() as cnx:
+            aff = cnx.execute('INSERT Affaire X: X ref "ARCT01"').get_entity(0, 0)
+            iworkflowable = aff.cw_adapt_to('IWorkflowable')
+            cnx.commit()
+            iworkflowable.fire_transition('abort')
+            cnx.commit()
+            # can change tr info comment
+            cnx.execute('SET TI comment %(c)s WHERE TI wf_info_for X, X ref "ARCT01"',
+                         {'c': u'bouh!'})
+            cnx.commit()
+            aff.cw_clear_relation_cache('wf_info_for', 'object')
+            trinfo = iworkflowable.latest_trinfo()
+            self.assertEqual(trinfo.comment, 'bouh!')
+            # but not from_state/to_state
+            aff.cw_clear_relation_cache('wf_info_for', role='object')
+            self.assertRaises(Unauthorized, cnx.execute,
+                              'SET TI from_state S WHERE TI eid %(ti)s, S name "ben non"',
+                              {'ti': trinfo.eid})
+            self.assertRaises(Unauthorized, cnx.execute,
+                              'SET TI to_state S WHERE TI eid %(ti)s, S name "pitetre"',
+                              {'ti': trinfo.eid})
+
+    def test_emailaddress_security(self):
+        # check for prexisting email adresse
+        with self.admin_access.repo_cnx() as cnx:
+            if cnx.execute('Any X WHERE X is EmailAddress'):
+                rset = cnx.execute('Any X, U WHERE X is EmailAddress, U use_email X')
+                msg = ['Preexisting email readable by anon found!']
+                tmpl = '  - "%s" used by user "%s"'
+                for i in range(len(rset)):
+                    email, user = rset.get_entity(i, 0), rset.get_entity(i, 1)
+                    msg.append(tmpl % (email.dc_title(), user.dc_title()))
+                raise RuntimeError('\n'.join(msg))
+            # actual test
+            cnx.execute('INSERT EmailAddress X: X address "hop"').get_entity(0, 0)
+            cnx.execute('INSERT EmailAddress X: X address "anon", '
+                         'U use_email X WHERE U login "anon"').get_entity(0, 0)
+            cnx.commit()
+            self.assertEqual(len(cnx.execute('Any X WHERE X is EmailAddress')), 2)
+        with self.new_access(u'anon').repo_cnx() as cnx:
+            self.assertEqual(len(cnx.execute('Any X WHERE X is EmailAddress')), 1)
+
+if __name__ == '__main__':
+    unittest_main()