|
1
|
|
|
# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
|
2
|
|
|
# contributor license agreements. See the NOTICE file distributed with |
|
3
|
|
|
# this work for additional information regarding copyright ownership. |
|
4
|
|
|
# The ASF licenses this file to You under the Apache License, Version 2.0 |
|
5
|
|
|
# (the "License"); you may not use this file except in compliance with |
|
6
|
|
|
# the License. You may obtain a copy of the License at |
|
7
|
|
|
# |
|
8
|
|
|
# http://www.apache.org/licenses/LICENSE-2.0 |
|
9
|
|
|
# |
|
10
|
|
|
# Unless required by applicable law or agreed to in writing, software |
|
11
|
|
|
# distributed under the License is distributed on an "AS IS" BASIS, |
|
12
|
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
13
|
|
|
# See the License for the specific language governing permissions and |
|
14
|
|
|
# limitations under the License. |
|
15
|
|
|
|
|
16
|
|
|
import datetime |
|
17
|
|
|
import os |
|
18
|
|
|
|
|
19
|
|
|
from keyczar.keys import AesKey |
|
20
|
|
|
from oslo_config import cfg |
|
21
|
|
|
import six |
|
22
|
|
|
|
|
23
|
|
|
from st2common.exceptions.keyvalue import CryptoKeyNotSetupException |
|
24
|
|
|
from st2common.log import logging |
|
25
|
|
|
from st2common.util import isotime |
|
26
|
|
|
from st2common.util import date as date_utils |
|
27
|
|
|
from st2common.util.crypto import symmetric_encrypt, symmetric_decrypt |
|
28
|
|
|
from st2common.models.api.base import BaseAPI |
|
29
|
|
|
from st2common.models.db.keyvalue import KeyValuePairDB |
|
30
|
|
|
|
|
31
|
|
|
LOG = logging.getLogger(__name__) |
|
32
|
|
|
|
|
33
|
|
|
|
|
34
|
|
|
class KeyValuePairAPI(BaseAPI): |
|
35
|
|
|
crypto_setup = False |
|
36
|
|
|
model = KeyValuePairDB |
|
37
|
|
|
schema = { |
|
38
|
|
|
'type': 'object', |
|
39
|
|
|
'properties': { |
|
40
|
|
|
'id': { |
|
41
|
|
|
'type': 'string' |
|
42
|
|
|
}, |
|
43
|
|
|
"uid": { |
|
44
|
|
|
"type": "string" |
|
45
|
|
|
}, |
|
46
|
|
|
'name': { |
|
47
|
|
|
'type': 'string' |
|
48
|
|
|
}, |
|
49
|
|
|
'description': { |
|
50
|
|
|
'type': 'string' |
|
51
|
|
|
}, |
|
52
|
|
|
'value': { |
|
53
|
|
|
'type': 'string', |
|
54
|
|
|
'required': True |
|
55
|
|
|
}, |
|
56
|
|
|
'secret': { |
|
57
|
|
|
'type': 'boolean', |
|
58
|
|
|
'required': False, |
|
59
|
|
|
'default': False |
|
60
|
|
|
}, |
|
61
|
|
|
'encrypted': { |
|
62
|
|
|
'type': 'boolean', |
|
63
|
|
|
'required': False, |
|
64
|
|
|
'default': False |
|
65
|
|
|
}, |
|
66
|
|
|
'expire_timestamp': { |
|
67
|
|
|
'type': 'string', |
|
68
|
|
|
'pattern': isotime.ISO8601_UTC_REGEX |
|
69
|
|
|
}, |
|
70
|
|
|
# Note: Those values are only used for input |
|
71
|
|
|
# TODO: Improve |
|
72
|
|
|
'ttl': { |
|
73
|
|
|
'type': 'integer' |
|
74
|
|
|
} |
|
75
|
|
|
}, |
|
76
|
|
|
'additionalProperties': False |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
@staticmethod |
|
80
|
|
|
def _setup_crypto(): |
|
81
|
|
|
LOG.info('Checking if encryption is enabled for key-value store.') |
|
82
|
|
|
KeyValuePairAPI.is_encryption_enabled = cfg.CONF.keyvalue.enable_encryption |
|
83
|
|
|
LOG.debug('Encryption enabled? : %s', KeyValuePairAPI.is_encryption_enabled) |
|
84
|
|
|
if KeyValuePairAPI.is_encryption_enabled: |
|
85
|
|
|
KeyValuePairAPI.crypto_key_path = cfg.CONF.keyvalue.encryption_key_path |
|
86
|
|
|
LOG.info('Encryption enabled. Looking for key in path %s', |
|
87
|
|
|
KeyValuePairAPI.crypto_key_path) |
|
88
|
|
|
if not os.path.exists(KeyValuePairAPI.crypto_key_path): |
|
89
|
|
|
msg = ('Encryption key file does not exist in path %s.' % |
|
90
|
|
|
KeyValuePairAPI.crypto_key_path) |
|
91
|
|
|
LOG.exception(msg) |
|
92
|
|
|
LOG.info('All API requests will now send out BAD_REQUEST ' + |
|
93
|
|
|
'if you ask to store secrets in key value store.') |
|
94
|
|
|
KeyValuePairAPI.crypto_key = None |
|
95
|
|
|
else: |
|
96
|
|
|
KeyValuePairAPI.crypto_key = KeyValuePairAPI._read_crypto_key( |
|
97
|
|
|
KeyValuePairAPI.crypto_key_path |
|
98
|
|
|
) |
|
99
|
|
|
KeyValuePairAPI.crypto_setup = True |
|
100
|
|
|
|
|
101
|
|
|
@staticmethod |
|
102
|
|
|
def _read_crypto_key(key_path): |
|
103
|
|
|
with open(key_path) as key_file: |
|
104
|
|
|
key = AesKey.Read(key_file.read()) |
|
105
|
|
|
return key |
|
106
|
|
|
|
|
107
|
|
|
@classmethod |
|
108
|
|
|
def from_model(cls, model, mask_secrets=True): |
|
109
|
|
|
if not KeyValuePairAPI.crypto_setup: |
|
110
|
|
|
KeyValuePairAPI._setup_crypto() |
|
111
|
|
|
|
|
112
|
|
|
doc = cls._from_model(model, mask_secrets=mask_secrets) |
|
113
|
|
|
|
|
114
|
|
|
if 'id' in doc: |
|
115
|
|
|
del doc['id'] |
|
116
|
|
|
|
|
117
|
|
|
if model.expire_timestamp: |
|
118
|
|
|
doc['expire_timestamp'] = isotime.format(model.expire_timestamp, offset=False) |
|
119
|
|
|
|
|
120
|
|
|
encrypted = False |
|
121
|
|
|
if model.secret: |
|
122
|
|
|
encrypted = True |
|
123
|
|
|
|
|
124
|
|
|
if not mask_secrets and model.secret: |
|
125
|
|
|
doc['value'] = symmetric_decrypt(KeyValuePairAPI.crypto_key, model.value) |
|
126
|
|
|
encrypted = False |
|
127
|
|
|
|
|
128
|
|
|
doc['encrypted'] = encrypted |
|
129
|
|
|
attrs = {attr: value for attr, value in six.iteritems(doc) if value is not None} |
|
130
|
|
|
return cls(**attrs) |
|
131
|
|
|
|
|
132
|
|
|
@classmethod |
|
133
|
|
|
def to_model(cls, kvp): |
|
134
|
|
|
if not KeyValuePairAPI.crypto_setup: |
|
135
|
|
|
KeyValuePairAPI._setup_crypto() |
|
136
|
|
|
|
|
137
|
|
|
name = getattr(kvp, 'name', None) |
|
138
|
|
|
description = getattr(kvp, 'description', None) |
|
139
|
|
|
value = kvp.value |
|
140
|
|
|
secret = False |
|
141
|
|
|
|
|
142
|
|
|
if getattr(kvp, 'ttl', None): |
|
143
|
|
|
expire_timestamp = (date_utils.get_datetime_utc_now() + |
|
144
|
|
|
datetime.timedelta(seconds=kvp.ttl)) |
|
145
|
|
|
else: |
|
146
|
|
|
expire_timestamp = None |
|
147
|
|
|
|
|
148
|
|
|
if getattr(kvp, 'secret', False): |
|
149
|
|
|
if not KeyValuePairAPI.crypto_key: |
|
150
|
|
|
msg = ('Crypto key not found in %s. Unable to encrypt value for key %s.' % |
|
151
|
|
|
(KeyValuePairAPI.crypto_key_path, name)) |
|
152
|
|
|
raise CryptoKeyNotSetupException(msg) |
|
153
|
|
|
value = symmetric_encrypt(KeyValuePairAPI.crypto_key, value) |
|
154
|
|
|
secret = True |
|
155
|
|
|
|
|
156
|
|
|
model = cls.model(name=name, description=description, value=value, |
|
157
|
|
|
secret=secret, |
|
158
|
|
|
expire_timestamp=expire_timestamp) |
|
159
|
|
|
|
|
160
|
|
|
return model |
|
161
|
|
|
|
StackStorm /
st2
