Files
modoboa/modoboa/auth/lib.py
T
2013-05-11 15:43:59 +02:00

42 lines
987 B
Python

# coding: utf-8
from Crypto.Cipher import AES
import base64
import random
import string
from modoboa.lib import parameters
def random_key(l=16):
"""Generate a random key
:param integer l: the key's length
:return: a string
"""
char_set = string.printable
return ''.join(random.sample(char_set * l, l))
def encrypt(clear):
key = parameters.get_admin("SECRET_KEY", app="admin")
obj = AES.new(key, AES.MODE_ECB)
if type(clear) is unicode:
clear = clear.encode("utf-8")
if len(clear) % AES.block_size:
clear += " " * (AES.block_size - len(clear) % AES.block_size)
ciph = obj.encrypt(clear)
ciph = base64.b64encode(ciph)
return ciph
def decrypt(ciph):
obj = AES.new(
parameters.get_admin("SECRET_KEY", app="admin"), AES.MODE_ECB
)
ciph = base64.b64decode(ciph)
clear = obj.decrypt(ciph)
return clear.rstrip(' ')
def get_password(request):
return decrypt(request.session["password"])