ldapcherry/ldapcherry/ppolicy/simple.py

72 lines
2.2 KiB
Python

# -*- 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
import string
class PPolicy(ldapcherry.ppolicy.PPolicy):
def __init__(self, config, logger):
self.config = config
self.min_length = self.get_param('min_length')
self.min_lower = self.get_param('min_lower')
self.min_upper = self.get_param('min_upper')
self.min_digit = self.get_param('min_digit')
self.min_punct = self.get_param('min_punct')
self.min_point = self.get_param('min_point')
def check(self, password):
point = 0
reason = 'Not enough complexity'
if len(password) < self.min_length:
return {'match': False, 'reason': 'Password too short'}
if len(re.findall(r'[a-z]', password)) < self.min_lower:
reason = 'Not enough lower case characters'
else:
point += 1
if len(re.findall(r'[A-Z]', password)) < self.min_upper:
reason = 'Not enough upper case characters'
else:
point += 1
if len(re.findall(r'[0-9]', password)) < self.min_digit:
reason = 'Not enough digits'
else:
point += 1
punctuation = 0
for char in password:
if char in string.punctuation:
punctuation += 1
if punctuation < self.min_punct:
reason = 'Not enough special caracter'
else:
point += 1
if point < self.min_point:
return {'match': False, 'reason': reason}
return {'match': True, 'reason': 'password ok'}
def info(self):
return \
"* Minimum length: %(len)d\n" \
"* Minimum number of lowercase characters: %(lower)d\n" \
"* Minimum number of uppercase characters: %(upper)d\n" \
"* Minimum number of digits: %(digit)d\n" \
"* Minimum number of punctuation characters: %(punct)d" % {
'len': self.min_length,
'lower': self.min_lower,
'upper': self.min_upper,
'digit': self.min_digit
'punct': self.min_punct,
}