mirror of
https://github.com/ansible-collections/community.docker.git
synced 2025-12-16 20:08:41 +00:00
ebe42308cc
* Replace ansible.module_utils.six with own module utils in some cases. * Add ignore.txt entires.
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# Copyright 2016 Red Hat | Ansible
|
|
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import base64
|
|
import random
|
|
|
|
from ansible.module_utils.common.text.converters import to_bytes, to_native, to_text
|
|
from ansible_collections.community.docker.plugins.module_utils._six import PY2
|
|
|
|
|
|
def generate_insecure_key():
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
while True:
|
|
# Generate a one-byte key. Right now the functions below do not use more
|
|
# than one byte, so this is sufficient.
|
|
if PY2:
|
|
key = chr(random.randint(0, 255))
|
|
else:
|
|
key = bytes([random.randint(0, 255)])
|
|
# Return anything that is not zero
|
|
if key != b'\x00':
|
|
return key
|
|
|
|
|
|
def scramble(value, key):
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
if len(key) < 1:
|
|
raise ValueError('Key must be at least one byte')
|
|
value = to_bytes(value)
|
|
if PY2:
|
|
k = ord(key[0])
|
|
value = b''.join([chr(k ^ ord(b)) for b in value])
|
|
else:
|
|
k = key[0]
|
|
value = bytes([k ^ b for b in value])
|
|
return '=S=' + to_native(base64.b64encode(value))
|
|
|
|
|
|
def unscramble(value, key):
|
|
'''Do NOT use this for cryptographic purposes!'''
|
|
if len(key) < 1:
|
|
raise ValueError('Key must be at least one byte')
|
|
if not value.startswith(u'=S='):
|
|
raise ValueError('Value does not start with indicator')
|
|
value = base64.b64decode(value[3:])
|
|
if PY2:
|
|
k = ord(key[0])
|
|
value = b''.join([chr(k ^ ord(b)) for b in value])
|
|
else:
|
|
k = key[0]
|
|
value = bytes([k ^ b for b in value])
|
|
return to_text(value)
|