python-novaclient/novaclient/crypto.py
Alessandro Pilotti 3a8d09ec77 Fixes Python3 issue in decoding password
The 'nova get-password' command shows a passowrd as bytes
instead of string in Python 3 currently.
It should be shown as string.
So fix it.

Co-Authored-By: Takashi Natsume <natsume.takashi@lab.ntt.co.jp>
Change-Id: Ibcfb071fcc3c74535b800295ec95ca5ec8bc3c9b
Closes-Bug: #1794167
2018-10-26 11:06:44 +09:00

44 lines
1.4 KiB
Python

# Copyright 2013 Nebula, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import base64
import subprocess
import six
class DecryptionFailure(Exception):
pass
def decrypt_password(private_key, password):
"""Base64 decodes password and unencrypts it with private key.
Requires openssl binary available in the path.
"""
unencoded = base64.b64decode(password)
cmd = ['openssl', 'rsautl', '-decrypt', '-inkey', private_key]
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = proc.communicate(unencoded)
proc.stdin.close()
if proc.returncode:
raise DecryptionFailure(err)
if not six.PY2 and isinstance(out, bytes):
return out.decode('utf-8')
return out