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community.general/lib/ansible/modules/crypto/openssl_privatekey.py

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright: (c) 2016, Yanis Guenane <yanis+ansible@guenane.org>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {'metadata_version': '1.1',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = r'''
---
module: openssl_privatekey
version_added: "2.3"
short_description: Generate OpenSSL private keys
description:
- This module allows one to (re)generate OpenSSL private keys.
- One can generate L(RSA,https://en.wikipedia.org/wiki/RSA_(cryptosystem)),
L(DSA,https://en.wikipedia.org/wiki/Digital_Signature_Algorithm),
L(ECC,https://en.wikipedia.org/wiki/Elliptic-curve_cryptography) or
L(EdDSA,https://en.wikipedia.org/wiki/EdDSA) private keys.
- Keys are generated in PEM format.
- "Please note that the module regenerates private keys if they don't match
the module's options. In particular, if you provide another passphrase
(or specify none), change the keysize, etc., the private key will be
regenerated. If you are concerned that this could **overwrite your private key**,
consider using the I(backup) option."
- The module can use the cryptography Python library, or the pyOpenSSL Python
library. By default, it tries to detect which one is available. This can be
overridden with the I(select_crypto_backend) option."
requirements:
- Either cryptography >= 1.2.3 (older versions might work as well)
- Or pyOpenSSL
author:
- Yanis Guenane (@Spredzy)
- Felix Fontein (@felixfontein)
options:
state:
description:
- Whether the private key should exist or not, taking action if the state is different from what is stated.
type: str
default: present
choices: [ absent, present ]
size:
description:
- Size (in bits) of the TLS/SSL key to generate.
type: int
default: 4096
type:
description:
- The algorithm used to generate the TLS/SSL private key.
- Note that C(ECC), C(X25519), C(X448), C(Ed25519) and C(Ed448) require the C(cryptography) backend.
C(X25519) needs cryptography 2.5 or newer, while C(X448), C(Ed25519) and C(Ed448) require
cryptography 2.6 or newer. For C(ECC), the minimal cryptography version required depends on the
I(curve) option.
type: str
default: RSA
choices: [ DSA, ECC, Ed25519, Ed448, RSA, X25519, X448 ]
curve:
description:
- Note that not all curves are supported by all versions of C(cryptography).
- For maximal interoperability, C(secp384r1) or C(secp256k1) should be used.
- We use the curve names as defined in the
L(IANA registry for TLS,https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-8).
type: str
choices:
- secp384r1
- secp521r1
- secp224r1
- secp192r1
- secp256k1
- brainpoolP256r1
- brainpoolP384r1
- brainpoolP512r1
- sect571k1
- sect409k1
- sect283k1
- sect233k1
- sect163k1
- sect571r1
- sect409r1
- sect283r1
- sect233r1
- sect163r2
version_added: "2.8"
force:
description:
- Should the key be regenerated even if it already exists.
type: bool
default: no
path:
description:
- Name of the file in which the generated TLS/SSL private key will be written. It will have 0600 mode.
type: path
required: true
passphrase:
description:
- The passphrase for the private key.
type: str
version_added: "2.4"
cipher:
description:
- The cipher to encrypt the private key. (cipher can be found by running `openssl list-cipher-algorithms`)
- When using the C(cryptography) backend, use C(auto).
type: str
version_added: "2.4"
select_crypto_backend:
description:
- Determines which crypto backend to use.
- The default choice is C(auto), which tries to use C(cryptography) if available, and falls back to C(pyopenssl).
- If set to C(pyopenssl), will try to use the L(pyOpenSSL,https://pypi.org/project/pyOpenSSL/) library.
- If set to C(cryptography), will try to use the L(cryptography,https://cryptography.io/) library.
type: str
default: auto
choices: [ auto, cryptography, pyopenssl ]
version_added: "2.8"
backup:
description:
- Create a backup file including a timestamp so you can get
the original private key back if you overwrote it with a new one by accident.
type: bool
default: no
version_added: "2.8"
extends_documentation_fragment:
- files
seealso:
- module: openssl_certificate
- module: openssl_csr
- module: openssl_dhparam
- module: openssl_pkcs12
- module: openssl_publickey
'''
EXAMPLES = r'''
- name: Generate an OpenSSL private key with the default values (4096 bits, RSA)
openssl_privatekey:
path: /etc/ssl/private/ansible.com.pem
- name: Generate an OpenSSL private key with the default values (4096 bits, RSA) and a passphrase
openssl_privatekey:
path: /etc/ssl/private/ansible.com.pem
passphrase: ansible
cipher: aes256
- name: Generate an OpenSSL private key with a different size (2048 bits)
openssl_privatekey:
path: /etc/ssl/private/ansible.com.pem
size: 2048
- name: Force regenerate an OpenSSL private key if it already exists
openssl_privatekey:
path: /etc/ssl/private/ansible.com.pem
force: yes
- name: Generate an OpenSSL private key with a different algorithm (DSA)
openssl_privatekey:
path: /etc/ssl/private/ansible.com.pem
type: DSA
'''
RETURN = r'''
size:
description: Size (in bits) of the TLS/SSL private key.
returned: changed or success
type: int
sample: 4096
type:
description: Algorithm used to generate the TLS/SSL private key.
returned: changed or success
type: str
sample: RSA
curve:
description: Elliptic curve used to generate the TLS/SSL private key.
returned: changed or success, and I(type) is C(ECC)
type: str
sample: secp256k1
filename:
description: Path to the generated TLS/SSL private key file.
returned: changed or success
type: str
sample: /etc/ssl/private/ansible.com.pem
fingerprint:
description:
- The fingerprint of the public key. Fingerprint will be generated for each C(hashlib.algorithms) available.
- The PyOpenSSL backend requires PyOpenSSL >= 16.0 for meaningful output.
returned: changed or success
type: dict
sample:
md5: "84:75:71:72:8d:04:b5:6c:4d:37:6d:66:83:f5:4c:29"
sha1: "51:cc:7c:68:5d:eb:41:43:88:7e:1a:ae:c7:f8:24:72:ee:71:f6:10"
sha224: "b1:19:a6:6c:14:ac:33:1d:ed:18:50:d3:06:5c:b2:32:91:f1:f1:52:8c:cb:d5:75:e9:f5:9b:46"
sha256: "41:ab:c7:cb:d5:5f:30:60:46:99:ac:d4:00:70:cf:a1:76:4f:24:5d:10:24:57:5d:51:6e:09:97:df:2f:de:c7"
sha384: "85:39:50:4e:de:d9:19:33:40:70:ae:10:ab:59:24:19:51:c3:a2:e4:0b:1c:b1:6e:dd:b3:0c:d9:9e:6a:46:af:da:18:f8:ef:ae:2e:c0:9a:75:2c:9b:b3:0f:3a:5f:3d"
sha512: "fd:ed:5e:39:48:5f:9f:fe:7f:25:06:3f:79:08:cd:ee:a5:e7:b3:3d:13:82:87:1f:84:e1:f5:c7:28:77:53:94:86:56:38:69:f0:d9:35:22:01:1e:a6:60:...:0f:9b"
backup_file:
description: Name of backup file created.
returned: changed and if I(backup) is C(yes)
type: str
sample: /path/to/privatekey.pem.2019-03-09@11:22~
'''
import abc
import os
import traceback
from distutils.version import LooseVersion
MINIMAL_PYOPENSSL_VERSION = '0.6'
MINIMAL_CRYPTOGRAPHY_VERSION = '1.2.3'
PYOPENSSL_IMP_ERR = None
try:
import OpenSSL
from OpenSSL import crypto
PYOPENSSL_VERSION = LooseVersion(OpenSSL.__version__)
except ImportError:
PYOPENSSL_IMP_ERR = traceback.format_exc()
PYOPENSSL_FOUND = False
else:
PYOPENSSL_FOUND = True
CRYPTOGRAPHY_IMP_ERR = None
try:
import cryptography
import cryptography.exceptions
import cryptography.hazmat.backends
import cryptography.hazmat.primitives.serialization
import cryptography.hazmat.primitives.asymmetric.rsa
import cryptography.hazmat.primitives.asymmetric.dsa
import cryptography.hazmat.primitives.asymmetric.ec
import cryptography.hazmat.primitives.asymmetric.utils
CRYPTOGRAPHY_VERSION = LooseVersion(cryptography.__version__)
except ImportError:
CRYPTOGRAPHY_IMP_ERR = traceback.format_exc()
CRYPTOGRAPHY_FOUND = False
else:
CRYPTOGRAPHY_FOUND = True
try:
import cryptography.hazmat.primitives.asymmetric.x25519
CRYPTOGRAPHY_HAS_X25519 = True
try:
cryptography.hazmat.primitives.asymmetric.x25519.X25519PrivateKey.private_bytes
CRYPTOGRAPHY_HAS_X25519_FULL = True
except AttributeError:
CRYPTOGRAPHY_HAS_X25519_FULL = False
except ImportError:
CRYPTOGRAPHY_HAS_X25519 = False
CRYPTOGRAPHY_HAS_X25519_FULL = False
try:
import cryptography.hazmat.primitives.asymmetric.x448
CRYPTOGRAPHY_HAS_X448 = True
except ImportError:
CRYPTOGRAPHY_HAS_X448 = False
try:
import cryptography.hazmat.primitives.asymmetric.ed25519
CRYPTOGRAPHY_HAS_ED25519 = True
except ImportError:
CRYPTOGRAPHY_HAS_ED25519 = False
try:
import cryptography.hazmat.primitives.asymmetric.ed448
CRYPTOGRAPHY_HAS_ED448 = True
except ImportError:
CRYPTOGRAPHY_HAS_ED448 = False
from ansible.module_utils import crypto as crypto_utils
from ansible.module_utils._text import to_native, to_bytes
from ansible.module_utils.basic import AnsibleModule, missing_required_lib
from ansible.module_utils.six import string_types
class PrivateKeyError(crypto_utils.OpenSSLObjectError):
pass
class PrivateKeyBase(crypto_utils.OpenSSLObject):
def __init__(self, module):
super(PrivateKeyBase, self).__init__(
module.params['path'],
module.params['state'],
module.params['force'],
module.check_mode
)
self.size = module.params['size']
self.passphrase = module.params['passphrase']
self.cipher = module.params['cipher']
self.privatekey = None
self.fingerprint = {}
self.backup = module.params['backup']
self.backup_file = None
if module.params['mode'] is None:
module.params['mode'] = '0600'
@abc.abstractmethod
def _generate_private_key_data(self):
pass
@abc.abstractmethod
def _get_fingerprint(self):
pass
def generate(self, module):
"""Generate a keypair."""
if not self.check(module, perms_required=False) or self.force:
if self.backup:
self.backup_file = module.backup_local(self.path)
privatekey_data = self._generate_private_key_data()
crypto_utils.write_file(module, privatekey_data, 0o600)
self.changed = True
self.fingerprint = self._get_fingerprint()
file_args = module.load_file_common_arguments(module.params)
if module.set_fs_attributes_if_different(file_args, False):
self.changed = True
def remove(self, module):
if self.backup:
self.backup_file = module.backup_local(self.path)
super(PrivateKeyBase, self).remove(module)
@abc.abstractmethod
def _check_passphrase(self):
pass
@abc.abstractmethod
def _check_size_and_type(self):
pass
def check(self, module, perms_required=True):
"""Ensure the resource is in its desired state."""
state_and_perms = super(PrivateKeyBase, self).check(module, perms_required)
if not state_and_perms or not self._check_passphrase():
return False
return self._check_size_and_type()
def dump(self):
"""Serialize the object into a dictionary."""
result = {
'size': self.size,
'filename': self.path,
'changed': self.changed,
'fingerprint': self.fingerprint,
}
if self.backup_file:
result['backup_file'] = self.backup_file
return result
# Implementation with using pyOpenSSL
class PrivateKeyPyOpenSSL(PrivateKeyBase):
def __init__(self, module):
super(PrivateKeyPyOpenSSL, self).__init__(module)
if module.params['type'] == 'RSA':
self.type = crypto.TYPE_RSA
elif module.params['type'] == 'DSA':
self.type = crypto.TYPE_DSA
else:
module.fail_json(msg="PyOpenSSL backend only supports RSA and DSA keys.")
def _generate_private_key_data(self):
self.privatekey = crypto.PKey()
try:
self.privatekey.generate_key(self.type, self.size)
except (TypeError, ValueError) as exc:
raise PrivateKeyError(exc)
if self.cipher and self.passphrase:
return crypto.dump_privatekey(crypto.FILETYPE_PEM, self.privatekey,
self.cipher, to_bytes(self.passphrase))
else:
return crypto.dump_privatekey(crypto.FILETYPE_PEM, self.privatekey)
def _get_fingerprint(self):
return crypto_utils.get_fingerprint(self.path, self.passphrase)
def _check_passphrase(self):
try:
crypto_utils.load_privatekey(self.path, self.passphrase)
return True
except Exception as dummy:
return False
def _check_size_and_type(self):
def _check_size(privatekey):
return self.size == privatekey.bits()
def _check_type(privatekey):
return self.type == privatekey.type()
try:
privatekey = crypto_utils.load_privatekey(self.path, self.passphrase)
except crypto_utils.OpenSSLBadPassphraseError as exc:
raise PrivateKeyError(exc)
return _check_size(privatekey) and _check_type(privatekey)
def dump(self):
"""Serialize the object into a dictionary."""
result = super(PrivateKeyPyOpenSSL, self).dump()
if self.type == crypto.TYPE_RSA:
result['type'] = 'RSA'
else:
result['type'] = 'DSA'
return result
# Implementation with using cryptography
class PrivateKeyCryptography(PrivateKeyBase):
def _get_ec_class(self, ectype):
ecclass = cryptography.hazmat.primitives.asymmetric.ec.__dict__.get(ectype)
if ecclass is None:
self.module.fail_json(msg='Your cryptography version does not support {0}'.format(ectype))
return ecclass
def _add_curve(self, name, ectype, deprecated=False):
def create(size):
ecclass = self._get_ec_class(ectype)
return ecclass()
def verify(privatekey):
ecclass = self._get_ec_class(ectype)
return isinstance(privatekey.private_numbers().public_numbers.curve, ecclass)
self.curves[name] = {
'create': create,
'verify': verify,
'deprecated': deprecated,
}
def __init__(self, module):
super(PrivateKeyCryptography, self).__init__(module)
self.curves = dict()
self._add_curve('secp384r1', 'SECP384R1')
self._add_curve('secp521r1', 'SECP521R1')
self._add_curve('secp224r1', 'SECP224R1')
self._add_curve('secp192r1', 'SECP192R1')
self._add_curve('secp256k1', 'SECP256K1')
self._add_curve('brainpoolP256r1', 'BrainpoolP256R1', deprecated=True)
self._add_curve('brainpoolP384r1', 'BrainpoolP384R1', deprecated=True)
self._add_curve('brainpoolP512r1', 'BrainpoolP512R1', deprecated=True)
self._add_curve('sect571k1', 'SECT571K1', deprecated=True)
self._add_curve('sect409k1', 'SECT409K1', deprecated=True)
self._add_curve('sect283k1', 'SECT283K1', deprecated=True)
self._add_curve('sect233k1', 'SECT233K1', deprecated=True)
self._add_curve('sect163k1', 'SECT163K1', deprecated=True)
self._add_curve('sect571r1', 'SECT571R1', deprecated=True)
self._add_curve('sect409r1', 'SECT409R1', deprecated=True)
self._add_curve('sect283r1', 'SECT283R1', deprecated=True)
self._add_curve('sect233r1', 'SECT233R1', deprecated=True)
self._add_curve('sect163r2', 'SECT163R2', deprecated=True)
self.module = module
self.cryptography_backend = cryptography.hazmat.backends.default_backend()
self.type = module.params['type']
self.curve = module.params['curve']
if not CRYPTOGRAPHY_HAS_X25519 and self.type == 'X25519':
self.module.fail_json(msg='Your cryptography version does not support X25519')
if not CRYPTOGRAPHY_HAS_X25519_FULL and self.type == 'X25519':
self.module.fail_json(msg='Your cryptography version does not support X25519 serialization')
if not CRYPTOGRAPHY_HAS_X448 and self.type == 'X448':
self.module.fail_json(msg='Your cryptography version does not support X448')
if not CRYPTOGRAPHY_HAS_ED25519 and self.type == 'Ed25519':
self.module.fail_json(msg='Your cryptography version does not support Ed25519')
if not CRYPTOGRAPHY_HAS_ED448 and self.type == 'Ed448':
self.module.fail_json(msg='Your cryptography version does not support Ed448')
def _generate_private_key_data(self):
format = cryptography.hazmat.primitives.serialization.PrivateFormat.TraditionalOpenSSL
try:
if self.type == 'RSA':
self.privatekey = cryptography.hazmat.primitives.asymmetric.rsa.generate_private_key(
public_exponent=65537, # OpenSSL always uses this
key_size=self.size,
backend=self.cryptography_backend
)
if self.type == 'DSA':
self.privatekey = cryptography.hazmat.primitives.asymmetric.dsa.generate_private_key(
key_size=self.size,
backend=self.cryptography_backend
)
if CRYPTOGRAPHY_HAS_X25519_FULL and self.type == 'X25519':
self.privatekey = cryptography.hazmat.primitives.asymmetric.x25519.X25519PrivateKey.generate()
format = cryptography.hazmat.primitives.serialization.PrivateFormat.PKCS8
if CRYPTOGRAPHY_HAS_X448 and self.type == 'X448':
self.privatekey = cryptography.hazmat.primitives.asymmetric.x448.X448PrivateKey.generate()
format = cryptography.hazmat.primitives.serialization.PrivateFormat.PKCS8
if CRYPTOGRAPHY_HAS_ED25519 and self.type == 'Ed25519':
self.privatekey = cryptography.hazmat.primitives.asymmetric.ed25519.Ed25519PrivateKey.generate()
format = cryptography.hazmat.primitives.serialization.PrivateFormat.PKCS8
if CRYPTOGRAPHY_HAS_ED448 and self.type == 'Ed448':
self.privatekey = cryptography.hazmat.primitives.asymmetric.ed448.Ed448PrivateKey.generate()
format = cryptography.hazmat.primitives.serialization.PrivateFormat.PKCS8
if self.type == 'ECC' and self.curve in self.curves:
if self.curves[self.curve]['deprecated']:
self.module.warn('Elliptic curves of type {0} should not be used for new keys!'.format(self.curve))
self.privatekey = cryptography.hazmat.primitives.asymmetric.ec.generate_private_key(
curve=self.curves[self.curve]['create'](self.size),
backend=self.cryptography_backend
)
except cryptography.exceptions.UnsupportedAlgorithm as e:
self.module.fail_json(msg='Cryptography backend does not support the algorithm required for {0}'.format(self.type))
# Select key encryption
encryption_algorithm = cryptography.hazmat.primitives.serialization.NoEncryption()
if self.cipher and self.passphrase:
if self.cipher == 'auto':
encryption_algorithm = cryptography.hazmat.primitives.serialization.BestAvailableEncryption(to_bytes(self.passphrase))
else:
self.module.fail_json(msg='Cryptography backend can only use "auto" for cipher option.')
# Serialize key
return self.privatekey.private_bytes(
encoding=cryptography.hazmat.primitives.serialization.Encoding.PEM,
format=format,
encryption_algorithm=encryption_algorithm
)
def _load_privatekey(self):
try:
with open(self.path, 'rb') as f:
return cryptography.hazmat.primitives.serialization.load_pem_private_key(
f.read(),
None if self.passphrase is None else to_bytes(self.passphrase),
backend=self.cryptography_backend
)
except Exception as e:
raise PrivateKeyError(e)
def _get_fingerprint(self):
# Get bytes of public key
private_key = self._load_privatekey()
public_key = private_key.public_key()
public_key_bytes = public_key.public_bytes(
cryptography.hazmat.primitives.serialization.Encoding.DER,
cryptography.hazmat.primitives.serialization.PublicFormat.SubjectPublicKeyInfo
)
# Get fingerprints of public_key_bytes
return crypto_utils.get_fingerprint_of_bytes(public_key_bytes)
def _check_passphrase(self):
try:
with open(self.path, 'rb') as f:
return cryptography.hazmat.primitives.serialization.load_pem_private_key(
f.read(),
None if self.passphrase is None else to_bytes(self.passphrase),
backend=self.cryptography_backend
)
return True
except Exception as dummy:
return False
def _check_size_and_type(self):
privatekey = self._load_privatekey()
if isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKey):
return self.type == 'RSA' and self.size == privatekey.key_size
if isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.dsa.DSAPrivateKey):
return self.type == 'DSA' and self.size == privatekey.key_size
if CRYPTOGRAPHY_HAS_X25519 and isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.x25519.X25519PrivateKey):
return self.type == 'X25519'
if CRYPTOGRAPHY_HAS_X448 and isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.x448.X448PrivateKey):
return self.type == 'X448'
if CRYPTOGRAPHY_HAS_ED25519 and isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.ed25519.Ed25519PrivateKey):
return self.type == 'Ed25519'
if CRYPTOGRAPHY_HAS_ED448 and isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.ed448.Ed448PrivateKey):
return self.type == 'Ed448'
if isinstance(privatekey, cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKey):
if self.type != 'ECC':
return False
if self.curve not in self.curves:
return False
return self.curves[self.curve]['verify'](privatekey)
return False
def dump(self):
"""Serialize the object into a dictionary."""
result = super(PrivateKeyCryptography, self).dump()
result['type'] = self.type
if self.type == 'ECC':
result['curve'] = self.curve
return result
def main():
module = AnsibleModule(
argument_spec=dict(
state=dict(type='str', default='present', choices=['present', 'absent']),
size=dict(type='int', default=4096),
type=dict(type='str', default='RSA', choices=[
'DSA', 'ECC', 'Ed25519', 'Ed448', 'RSA', 'X25519', 'X448'
]),
curve=dict(type='str', choices=[
'secp384r1', 'secp521r1', 'secp224r1', 'secp192r1', 'secp256k1',
'brainpoolP256r1', 'brainpoolP384r1', 'brainpoolP512r1',
'sect571k1', 'sect409k1', 'sect283k1', 'sect233k1', 'sect163k1',
'sect571r1', 'sect409r1', 'sect283r1', 'sect233r1', 'sect163r2',
]),
force=dict(type='bool', default=False),
path=dict(type='path', required=True),
passphrase=dict(type='str', no_log=True),
cipher=dict(type='str'),
backup=dict(type='bool', default=False),
select_crypto_backend=dict(type='str', choices=['auto', 'pyopenssl', 'cryptography'], default='auto'),
),
supports_check_mode=True,
add_file_common_args=True,
required_together=[
['cipher', 'passphrase']
],
required_if=[
['type', 'ECC', ['curve']],
],
)
base_dir = os.path.dirname(module.params['path']) or '.'
if not os.path.isdir(base_dir):
module.fail_json(
name=base_dir,
msg='The directory %s does not exist or the file is not a directory' % base_dir
)
backend = module.params['select_crypto_backend']
if backend == 'auto':
# Detection what is possible
can_use_cryptography = CRYPTOGRAPHY_FOUND and CRYPTOGRAPHY_VERSION >= LooseVersion(MINIMAL_CRYPTOGRAPHY_VERSION)
can_use_pyopenssl = PYOPENSSL_FOUND and PYOPENSSL_VERSION >= LooseVersion(MINIMAL_PYOPENSSL_VERSION)
# Decision
if module.params['cipher'] and module.params['passphrase'] and module.params['cipher'] != 'auto':
# First try pyOpenSSL, then cryptography
if can_use_pyopenssl:
backend = 'pyopenssl'
elif can_use_cryptography:
backend = 'cryptography'
else:
# First try cryptography, then pyOpenSSL
if can_use_cryptography:
backend = 'cryptography'
elif can_use_pyopenssl:
backend = 'pyopenssl'
# Success?
if backend == 'auto':
module.fail_json(msg=("Can't detect any of the required Python libraries "
"cryptography (>= {0}) or PyOpenSSL (>= {1})").format(
MINIMAL_CRYPTOGRAPHY_VERSION,
MINIMAL_PYOPENSSL_VERSION))
try:
if backend == 'pyopenssl':
if not PYOPENSSL_FOUND:
module.fail_json(msg=missing_required_lib('pyOpenSSL'), exception=PYOPENSSL_IMP_ERR)
private_key = PrivateKeyPyOpenSSL(module)
elif backend == 'cryptography':
if not CRYPTOGRAPHY_FOUND:
module.fail_json(msg=missing_required_lib('cryptography'), exception=CRYPTOGRAPHY_IMP_ERR)
private_key = PrivateKeyCryptography(module)
if private_key.state == 'present':
if module.check_mode:
result = private_key.dump()
result['changed'] = module.params['force'] or not private_key.check(module)
module.exit_json(**result)
private_key.generate(module)
else:
if module.check_mode:
result = private_key.dump()
result['changed'] = os.path.exists(module.params['path'])
module.exit_json(**result)
private_key.remove(module)
result = private_key.dump()
module.exit_json(**result)
except crypto_utils.OpenSSLObjectError as exc:
module.fail_json(msg=to_native(exc))
if __name__ == '__main__':
main()
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