crypto.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Fri, 13 Jun 2014 12:56:45 +0200
changeset 9792 1349398d744e
parent 7879 9aae456abab5
child 10602 4845012cfc8e
permissions -rw-r--r--
[test/migration] fix crash on execution This assertion is there for unclear reasons. ===================== unittest_migration.py ======================= -> creating tables [====================] -> inserting default user and default groups. -> storing the schema in the database [====================] -> database for instance data initialized. F ====================================================================== FAIL: test_db_creation (unittest_migration.BaseCreationTC) make sure database can be created ---------------------------------------------------------------------- Traceback (most recent call last) File "/home/auc/confs/forges/logilab/common/testlib.py", line 661, in _proceed testfunc(*args, **kwargs) File "/home/auc/confs/forges/cubicweb/test/unittest_migration.py", line 106, in test_db_creation handler.build_db_cache() File "/home/auc/confs/forges/cubicweb/devtools/__init__.py", line 469, in build_db_cache self.init_test_database() File "/home/auc/confs/forges/cubicweb/devtools/__init__.py", line 729, in init_test_database init_repository(self.config, interactive=False) File "/home/auc/confs/forges/cubicweb/server/__init__.py", line 217, in init_repository repo = Repository(config, vreg=vreg) File "/home/auc/confs/forges/cubicweb/server/repository.py", line 197, in __init__ self.init_cnxset_pool() File "/home/auc/confs/forges/cubicweb/server/repository.py", line 220, in init_cnxset_pool config.bootstrap_cubes() File "/home/auc/confs/forges/cubicweb/devtools/__init__.py", line 176, in bootstrap_cubes super(TestServerConfiguration, self).bootstrap_cubes() File "/home/auc/confs/forges/cubicweb/server/serverconfig.py", line 279, in bootstrap_cubes self.init_cubes(self.expand_cubes(splitstrip(line))) File "/home/auc/confs/forges/cubicweb/cwconfig.py", line 1022, in init_cubes super(CubicWebConfiguration, self).init_cubes(cubes) File "/home/auc/confs/forges/cubicweb/cwconfig.py", line 798, in init_cubes assert self._cubes is None, repr(self._cubes) AssertionError: ('card', 'file', 'localperms', 'tag')

# copyright 2003-2011 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/>.
"""Simple cryptographic routines, based on python-crypto."""
__docformat__ = "restructuredtext en"

from pickle import dumps, loads
from base64 import b64encode, b64decode

from Crypto.Cipher import Blowfish


_CYPHERERS = {}
def _cypherer(seed):
    try:
        return _CYPHERERS[seed]
    except KeyError:
        _CYPHERERS[seed] = Blowfish.new(seed, Blowfish.MODE_ECB)
        return _CYPHERERS[seed]


def encrypt(data, seed):
    string = dumps(data)
    string = string + '*' * (8 - len(string) % 8)
    string = b64encode(_cypherer(seed).encrypt(string))
    return unicode(string)


def decrypt(string, seed):
    # pickle ignores trailing characters so we do not need to strip them off
    string = _cypherer(seed).decrypt(b64decode(string))
    return loads(string)