scribeengine/scribeengine/lib/validation/server.py

59 lines
2.7 KiB
Python

# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# ScribeEngine - Open Source Blog Software #
# --------------------------------------------------------------------------- #
# Copyright (c) 2010 Raoul Snyman #
# --------------------------------------------------------------------------- #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the Free #
# Software Foundation; version 2 of the License. #
# #
# This program 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 General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
"""
Server-side validators.
"""
import logging
import re
from formencode.api import FancyValidator, Invalid
from formencode.validators import UnicodeString, Int, Email, FieldsMatch
log = logging.getLogger(__name__)
class Password(FancyValidator):
"""
This validator checks for a decently secure password. The password has to
contain a minimum of 6 characters, at least 1 number.
"""
regex = re.compile(r'^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[-.!@#%&]).{6,}$')
messages = {
u'insecure': u'Your password must be longer than 6 characters and '
u'must have at least 1 capital letter, 1 number and one '
u'of the following characters: - . ~ @ # %% &'
}
def _to_python(self, value, state):
# _to_python gets run before validate_python. Here we
# strip whitespace off the password, because leading and
# trailing whitespace in a password is too elite.
return value.strip()
def validate_python(self, value, state):
if len(value) < self.min:
raise Invalid(self.message(u'insecure', state), value, state)
if not self.regex.match(value):
raise Invalid(self.message(u'insecure', state), value, state)