ldapcherry/ldapcherry/ppolicy/simple.py

# -*- coding: utf-8 -*-
# vim:set expandtab tabstop=4 shiftwidth=4:
#
# The MIT License (MIT)
# LdapCherry
# Copyright (c) 2014 Carpentier Pierre-Francois

import ldapcherry.ppolicy
import re

class PPolicy(ldapcherry.ppolicy.PPolicy):

    def __init__(self, config, logger):
        self.config = config
        self.min_length = get_param('min_length')
        self.min_upper = get_param('min_upper')
        self.min_digit = get_param('min_digit')

    def check(self, password):
        if len(password) < self.min_length:
            return {'match': False, 'reason': 'password too short'}
        if len(re.findall(r'[A-Z]', password)) < self.min_upper:
            return {'match': False, 'reason': 'not enough upper case characters'}
        if len(re.findall(r'[0-9]', password)) < self.min_digit:
            return {'match': False, 'reason': 'not enough digits'}
        return {'match': True, 'reason': 'password ok'}

    def info(self):
        return \
"* Minimum length: %(len)n\n\
* Minimum number of uppercase characters: %(upper)n\n\
* Minimum number of digits: %(digit)n" % { 'upper': self.min_upper,
        'len': self.min_length,
        'digit' self.min_digit,
    }