dataset/seed/openldap/funcs/ldap.py

81 lines
2.5 KiB
Python

import __main__
from os import urandom as _urandom, environ as _environ
from hashlib import sha1 as _sha1
from base64 import encodebytes as _encodebytes, b64encode as _b64encode
from json import load as _load, dump as _dump
from os.path import join as _join, isfile as _isfile
_HERE = _environ['PWD']
_SSHA_PASSWORD_DIR = _join(_HERE, 'password', 'ssha.json')
# unproudly borrowed from
# http://www.openldap.org/faq/data/cache/347.html
def ssha_encode(password):
# do not regenerate SSHA
if _isfile(_SSHA_PASSWORD_DIR):
with open(_SSHA_PASSWORD_DIR, 'r') as fh:
passwords = _load(fh)
else:
passwords = {}
if password in passwords:
return passwords[password]
salt = _urandom(4)
h = _sha1(password.encode())
h.update(salt)
ret = _b64encode(b"{SSHA}" + _encodebytes(h.digest() + salt)[:-1]).decode()
passwords[password] = ret
with open(_SSHA_PASSWORD_DIR, 'w') as fh:
_dump(passwords, fh)
return ret
def calc_ldapclient_base_dn(ldap_base_dn: str,
family_name: str=None,
base: bool=False,
group: bool=False,
) -> str:
# copied from ldap-client
if ldap_base_dn is None:
return
if family_name == 'all':
family_name = None
base = True
if group:
return f'ou=groups,{ldap_base_dn}'
if not ldap_base_dn.startswith('ou=accounts,'):
base_name = f'ou=accounts,{ldap_base_dn}'
else:
base_name = ldap_base_dn
if base:
return base_name
if not family_name:
return f'ou=users,{base_name}'
base_name = f'ou=families,{base_name}'
if family_name != '-':
base_name = f'ou={family_name},{base_name}'
return base_name
def get_default_base_dn(prefix: str) -> str:
# copied from ldap-client
if not prefix or '.' not in prefix:
return None
values = prefix.split('.')
# cannot calculated base dn should be subdomain.domain.tld
# remove 'server' in dn
if len(values) < 3:
return None
domain = ['ou=' + domain for domain in values[0:-2]]
domain.append(f'o={values[-2]},o={values[-1]}')
return ','.join(domain)
def valid_base_dn(base_dn: str) -> None:
# copied from ldap-client
for att in ['o', 'dc', 'ou']:
if base_dn.startswith(att + '='):
break
else:
raise ValueError('La racine doit débuter par une organisation (o=), une composante du domaine (dc=) ou une unité organisationnelle (ou=)')