1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
# This software is distributed under the terms and conditions of the 'Apache-2.0'
# license which can be found in the file 'LICENSE' in this package distribution
# or at 'http://www.apache.org/licenses/LICENSE-2.0'.
from uuid import uuid4
import logging
from python_moonutilities.security_functions import enforce
from python_moondb.api.managers import Managers
from python_moonutilities import exceptions
# from python_moondb.core import PDPManager
logger = logging.getLogger("moon.db.api.policy")
class PolicyManager(Managers):
def __init__(self, connector=None):
self.driver = connector.driver
Managers.PolicyManager = self
def get_policy_from_meta_rules(self, user_id, meta_rule_id):
policies = self.PolicyManager.get_policies("admin")
models = self.ModelManager.get_models("admin")
for pdp_key, pdp_value in self.PDPManager.get_pdp(user_id).items():
if 'security_pipeline' not in pdp_value:
raise exceptions.PdpContentError
for policy_id in pdp_value["security_pipeline"]:
if not policies or policy_id not in policies:
raise exceptions.PolicyUnknown
model_id = policies[policy_id]["model_id"]
if not models:
raise exceptions.ModelUnknown
if model_id not in models:
raise exceptions.ModelUnknown
if meta_rule_id in models[model_id]["meta_rules"]:
return policy_id
@enforce(("read", "write"), "policies")
def update_policy(self, user_id, policy_id, value):
if policy_id not in self.driver.get_policies(policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.update_policy(policy_id=policy_id, value=value)
@enforce(("read", "write"), "policies")
def delete_policy(self, user_id, policy_id):
# TODO (asteroide): unmap PDP linked to that policy
if policy_id not in self.driver.get_policies(policy_id=policy_id):
raise exceptions.PolicyUnknown
pdps = self.PDPManager.get_pdp(user_id=user_id)
for pdp in pdps:
for policy_id in pdps[pdp]['security_pipeline']:
if policy_id == policy_id:
raise exceptions.DeletePolicyWithPdp
return self.driver.delete_policy(policy_id=policy_id)
@enforce(("read", "write"), "policies")
def add_policy(self, user_id, policy_id=None, value=None):
if policy_id in self.driver.get_policies(policy_id=policy_id):
raise exceptions.PolicyExisting
if not policy_id:
policy_id = uuid4().hex
return self.driver.add_policy(policy_id=policy_id, value=value)
@enforce("read", "policies")
def get_policies(self, user_id, policy_id=None):
return self.driver.get_policies(policy_id=policy_id)
@enforce("read", "perimeter")
def get_subjects(self, user_id, policy_id, perimeter_id=None):
return self.driver.get_subjects(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce(("read", "write"), "perimeter")
def add_subject(self, user_id, policy_id, perimeter_id=None, value=None):
k_user = Managers.KeystoneManager.get_user_by_name(value.get('name'))
if not k_user['users']:
k_user = Managers.KeystoneManager.create_user(value)
if not perimeter_id:
try:
logger.info("k_user={}".format(k_user))
perimeter_id = k_user['users'][0].get('id', uuid4().hex)
except IndexError:
k_user = Managers.KeystoneManager.get_user_by_name(
value.get('name'))
perimeter_id = uuid4().hex
except KeyError:
k_user = Managers.KeystoneManager.get_user_by_name(
value.get('name'))
perimeter_id = uuid4().hex
value.update(k_user['users'][0])
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.set_subject(policy_id=policy_id, perimeter_id=perimeter_id, value=value)
@enforce(("read", "write"), "perimeter")
def delete_subject(self, user_id, policy_id, perimeter_id):
return self.driver.delete_subject(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce("read", "perimeter")
def get_objects(self, user_id, policy_id, perimeter_id=None):
return self.driver.get_objects(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce(("read", "write"), "perimeter")
def add_object(self, user_id, policy_id, perimeter_id=None, value=None):
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
if not perimeter_id:
perimeter_id = uuid4().hex
return self.driver.set_object(policy_id=policy_id, perimeter_id=perimeter_id, value=value)
@enforce(("read", "write"), "perimeter")
def delete_object(self, user_id, policy_id, perimeter_id):
return self.driver.delete_object(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce("read", "perimeter")
def get_actions(self, user_id, policy_id, perimeter_id=None):
return self.driver.get_actions(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce(("read", "write"), "perimeter")
def add_action(self, user_id, policy_id, perimeter_id=None, value=None):
logger.info("add_action {}".format(policy_id))
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.set_action(policy_id=policy_id, perimeter_id=perimeter_id, value=value)
@enforce(("read", "write"), "perimeter")
def delete_action(self, user_id, policy_id, perimeter_id):
return self.driver.delete_action(policy_id=policy_id, perimeter_id=perimeter_id)
@enforce("read", "data")
def get_subject_data(self, user_id, policy_id, data_id=None, category_id=None):
available_metadata = self.get_available_metadata(user_id, policy_id)
results = []
if not category_id:
for cat in available_metadata["subject"]:
results.append(self.driver.get_subject_data(policy_id=policy_id, data_id=data_id,
category_id=cat))
if category_id and category_id in available_metadata["subject"]:
results.append(self.driver.get_subject_data(policy_id=policy_id, data_id=data_id,
category_id=category_id))
return results
@enforce(("read", "write"), "data")
def set_subject_data(self, user_id, policy_id, data_id=None, category_id=None, value=None):
if not category_id:
raise Exception('Invalid category id')
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
if not data_id:
data_id = uuid4().hex
return self.driver.set_subject_data(policy_id=policy_id, data_id=data_id, category_id=category_id, value=value)
@enforce(("read", "write"), "data")
def delete_subject_data(self, user_id, policy_id, data_id):
# TODO (asteroide): check and/or delete assignments linked to that data
subject_assignments = self.get_subject_assignments(user_id=user_id, policy_id=policy_id, subject_id=data_id)
if subject_assignments:
raise exceptions.DeleteData
return self.driver.delete_subject_data(policy_id=policy_id, data_id=data_id)
@enforce("read", "data")
def get_object_data(self, user_id, policy_id, data_id=None, category_id=None):
available_metadata = self.get_available_metadata(user_id, policy_id)
results = []
if not category_id:
for cat in available_metadata["object"]:
results.append(self.driver.get_object_data(policy_id=policy_id, data_id=data_id,
category_id=cat))
if category_id and category_id in available_metadata["object"]:
results.append(self.driver.get_object_data(policy_id=policy_id, data_id=data_id,
category_id=category_id))
return results
@enforce(("read", "write"), "data")
def add_object_data(self, user_id, policy_id, data_id=None, category_id=None, value=None):
if not category_id:
raise Exception('Invalid category id')
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
if not data_id:
data_id = uuid4().hex
return self.driver.set_object_data(policy_id=policy_id, data_id=data_id, category_id=category_id, value=value)
@enforce(("read", "write"), "data")
def delete_object_data(self, user_id, policy_id, data_id):
# TODO (asteroide): check and/or delete assignments linked to that data
object_assignments = self.get_object_assignments(user_id=user_id, policy_id=policy_id, object_id=data_id)
if object_assignments:
raise exceptions.DeleteData
return self.driver.delete_object_data(policy_id=policy_id, data_id=data_id)
@enforce("read", "data")
def get_action_data(self, user_id, policy_id, data_id=None, category_id=None):
available_metadata = self.get_available_metadata(user_id, policy_id)
results = []
if not category_id:
for cat in available_metadata["action"]:
results.append(self.driver.get_action_data(policy_id=policy_id, data_id=data_id,
category_id=cat))
if category_id and category_id in available_metadata["action"]:
results.append(self.driver.get_action_data(policy_id=policy_id, data_id=data_id,
category_id=category_id))
return results
@enforce(("read", "write"), "data")
def add_action_data(self, user_id, policy_id, data_id=None, category_id=None, value=None):
if not category_id:
raise Exception('Invalid category id')
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
if not data_id:
data_id = uuid4().hex
return self.driver.set_action_data(policy_id=policy_id, data_id=data_id, category_id=category_id, value=value)
@enforce(("read", "write"), "data")
def delete_action_data(self, user_id, policy_id, data_id):
# TODO (asteroide): check and/or delete assignments linked to that data
action_assignments = self.get_action_assignments(user_id=user_id, policy_id=policy_id, action_id=data_id)
if action_assignments:
raise exceptions.DeleteData
return self.driver.delete_action_data(policy_id=policy_id, data_id=data_id)
@enforce("read", "assignments")
def get_subject_assignments(self, user_id, policy_id, subject_id=None, category_id=None):
return self.driver.get_subject_assignments(policy_id=policy_id, subject_id=subject_id, category_id=category_id)
@enforce(("read", "write"), "assignments")
def add_subject_assignment(self, user_id, policy_id, subject_id, category_id, data_id):
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.add_subject_assignment(policy_id=policy_id, subject_id=subject_id,
category_id=category_id, data_id=data_id)
@enforce(("read", "write"), "assignments")
def delete_subject_assignment(self, user_id, policy_id, subject_id, category_id, data_id):
return self.driver.delete_subject_assignment(policy_id=policy_id, subject_id=subject_id,
category_id=category_id, data_id=data_id)
@enforce("read", "assignments")
def get_object_assignments(self, user_id, policy_id, object_id=None, category_id=None):
return self.driver.get_object_assignments(policy_id=policy_id, object_id=object_id, category_id=category_id)
@enforce(("read", "write"), "assignments")
def add_object_assignment(self, user_id, policy_id, object_id, category_id, data_id):
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.add_object_assignment(policy_id=policy_id, object_id=object_id,
category_id=category_id, data_id=data_id)
@enforce(("read", "write"), "assignments")
def delete_object_assignment(self, user_id, policy_id, object_id, category_id, data_id):
return self.driver.delete_object_assignment(policy_id=policy_id, object_id=object_id,
category_id=category_id, data_id=data_id)
@enforce("read", "assignments")
def get_action_assignments(self, user_id, policy_id, action_id=None, category_id=None):
return self.driver.get_action_assignments(policy_id=policy_id, action_id=action_id, category_id=category_id)
@enforce(("read", "write"), "assignments")
def add_action_assignment(self, user_id, policy_id, action_id, category_id, data_id):
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.add_action_assignment(policy_id=policy_id, action_id=action_id,
category_id=category_id, data_id=data_id)
@enforce(("read", "write"), "assignments")
def delete_action_assignment(self, user_id, policy_id, action_id, category_id, data_id):
return self.driver.delete_action_assignment(policy_id=policy_id, action_id=action_id,
category_id=category_id, data_id=data_id)
@enforce("read", "rules")
def get_rules(self, user_id, policy_id, meta_rule_id=None, rule_id=None):
return self.driver.get_rules(policy_id=policy_id, meta_rule_id=meta_rule_id, rule_id=rule_id)
@enforce(("read", "write"), "rules")
def add_rule(self, user_id, policy_id, meta_rule_id, value):
if not self.get_policies(user_id=user_id, policy_id=policy_id):
raise exceptions.PolicyUnknown
return self.driver.add_rule(policy_id=policy_id, meta_rule_id=meta_rule_id, value=value)
@enforce(("read", "write"), "rules")
def delete_rule(self, user_id, policy_id, rule_id):
return self.driver.delete_rule(policy_id=policy_id, rule_id=rule_id)
@enforce("read", "meta_data")
def get_available_metadata(self, user_id, policy_id):
categories = {
"subject": [],
"object": [],
"action": []
}
policy = self.driver.get_policies(policy_id=policy_id)
if not policy:
raise exceptions.PolicyUnknown
model_id = policy[policy_id]["model_id"]
model = Managers.ModelManager.get_models(user_id=user_id, model_id=model_id)
try:
meta_rule_list = model[model_id]["meta_rules"]
for meta_rule_id in meta_rule_list:
meta_rule = Managers.ModelManager.get_meta_rules(user_id=user_id, meta_rule_id=meta_rule_id)
categories["subject"].extend(meta_rule[meta_rule_id]["subject_categories"])
categories["object"].extend(meta_rule[meta_rule_id]["object_categories"])
categories["action"].extend(meta_rule[meta_rule_id]["action_categories"])
finally:
return categories
|
