# BAREOS - Backup Archiving REcovery Open Sourced
#
# Copyright (C) 2015-2021 Bareos GmbH & Co. KG
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of version three of the GNU Affero General Public
# License as published by the Free Software Foundation and included
# in the file 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
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""
Handle Bareos passwords.
"""
import hashlib
[docs]class Password(object):
"""
Handle Bareos passwords.
Instead of working with plain text passwords,
Bareos often uses the MD5 hash of the password.
This class make a password available in both forms.
"""
def __init__(self, password=None):
"""\
Args:
password (str, optional): Password as plain text.
"""
self.password_md5 = None
self.set_plaintext(password)
[docs] def set_plaintext(self, password):
"""Set new password.
Args:
password (str): Password as plain text.
"""
self.password_plaintext = bytearray(password, "utf-8")
self.set_md5(self.__plaintext2md5(password))
[docs] def set_md5(self, password):
"""Set the MD5 form of the password.
If the password is initialized by this method,
it is only available as MD5 hash, not as plain text password.
Args:
password (bytes): Password as MD5 hash.
"""
self.password_md5 = password
[docs] def plaintext(self):
"""Get password as plain text.
Returns:
str: Password as plain text.
"""
return self.password_plaintext.decode("utf-8")
[docs] def md5(self):
"""Get password as MD5 hash.
Returns:
bytes: Password as MD5 hash.
"""
return self.password_md5
@staticmethod
def __plaintext2md5(password):
"""
md5 the password and return the hex style
"""
md5 = hashlib.md5()
md5.update(bytes(bytearray(password, "utf-8")))
return bytes(bytearray(md5.hexdigest(), "utf-8"))
