diff options
Diffstat (limited to 'python_moondb/python_moondb/api')
| -rw-r--r-- | python_moondb/python_moondb/api/__init__.py | 0 | ||||
| -rw-r--r-- | python_moondb/python_moondb/api/keystone.py | 106 | ||||
| -rw-r--r-- | python_moondb/python_moondb/api/managers.py | 15 | ||||
| -rw-r--r-- | python_moondb/python_moondb/api/model.py | 123 | ||||
| -rw-r--r-- | python_moondb/python_moondb/api/pdp.py | 43 | ||||
| -rw-r--r-- | python_moondb/python_moondb/api/policy.py | 290 |
6 files changed, 0 insertions, 577 deletions
diff --git a/python_moondb/python_moondb/api/__init__.py b/python_moondb/python_moondb/api/__init__.py deleted file mode 100644 index e69de29b..00000000 --- a/python_moondb/python_moondb/api/__init__.py +++ /dev/null diff --git a/python_moondb/python_moondb/api/keystone.py b/python_moondb/python_moondb/api/keystone.py deleted file mode 100644 index 582ae710..00000000 --- a/python_moondb/python_moondb/api/keystone.py +++ /dev/null @@ -1,106 +0,0 @@ -# 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'. - -import os -import requests -import json -from uuid import uuid4 -import logging -from python_moonutilities import exceptions, configuration -from python_moonutilities.security_functions import filter_input, login, logout -from python_moondb.api.managers import Managers - -logger = logging.getLogger("moon.db.api.keystone") - - -class KeystoneManager(Managers): - - def __init__(self, connector=None): - self.driver = connector.driver - Managers.KeystoneManager = self - conf = configuration.get_configuration("openstack/keystone")['openstack/keystone'] - - self.__url = conf['url'] - self.__user = conf['user'] - self.__password = conf['password'] - self.__domain = conf['domain'] - self.__project = conf['project'] - try: - os.environ.pop("http_proxy") - os.environ.pop("https_proxy") - except KeyError: - pass - - def __get(self, endpoint, _exception=exceptions.KeystoneError): - _headers = login() - req = requests.get("{}{}".format(self.__url, endpoint), headers=_headers, verify=False) - if req.status_code not in (200, 201): - logger.error(req.text) - raise _exception - data = req.json() - logout(_headers) - return data - - def __post(self, endpoint, data=None, _exception=exceptions.KeystoneError): - _headers = login() - req = requests.post("{}{}".format(self.__url, endpoint), - data=json.dumps(data), - headers=_headers, verify=False) - if req.status_code == 409: - logger.warning(req.text) - raise exceptions.KeystoneUserConflict - if req.status_code not in (200, 201): - logger.error(req.text) - raise _exception - data = req.json() - logout(_headers) - return data - - def list_projects(self): - return self.__get(endpoint="/projects/", _exception=exceptions.KeystoneProjectError) - - @filter_input - def create_project(self, tenant_dict): - if "name" not in tenant_dict: - raise exceptions.KeystoneProjectError("Cannot get the project name.") - _project = { - "project": { - "description": tenant_dict['description'] if 'description' in tenant_dict else "", - "domain_id": tenant_dict['domain'] if 'domain' in tenant_dict else "default", - "enabled": True, - "is_domain": False, - "name": tenant_dict['name'] - } - } - return self.__post(endpoint="/projects/", - data=_project, - _exception=exceptions.KeystoneProjectError) - - @filter_input - def get_user_by_name(self, username, domain_id="default"): - return self.__get(endpoint="/users?name={}&domain_id={}".format(username, domain_id), - _exception=exceptions.KeystoneUserError) - - @filter_input - def create_user(self, subject_dict): - _user = { - "user": { - "enabled": True, - "name": subject_dict['name'] if 'name' in subject_dict else uuid4().hex, - } - } - if 'project' in subject_dict: - _user['user']['default_project_id'] = subject_dict['project'] - if 'domain' in subject_dict: - _user['user']['domain_id'] = subject_dict['domain'] - if 'password' in subject_dict: - _user['user']['password'] = subject_dict['password'] - try: - return self.__post(endpoint="/users/", - data=_user, - _exception=exceptions.KeystoneUserError) - except exceptions.KeystoneUserConflict: - return True - diff --git a/python_moondb/python_moondb/api/managers.py b/python_moondb/python_moondb/api/managers.py deleted file mode 100644 index f500d02e..00000000 --- a/python_moondb/python_moondb/api/managers.py +++ /dev/null @@ -1,15 +0,0 @@ -# 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'. - -import logging -logger = logging.getLogger("moon.db.api.managers") - - -class Managers(object): - """Object that links managers together""" - ModelManager = None - KeystoneManager = None - PDPManager = None - PolicyManager = None diff --git a/python_moondb/python_moondb/api/model.py b/python_moondb/python_moondb/api/model.py deleted file mode 100644 index 57857cd2..00000000 --- a/python_moondb/python_moondb/api/model.py +++ /dev/null @@ -1,123 +0,0 @@ -# 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 import exceptions -from python_moonutilities.security_functions import filter_input, enforce -from python_moondb.api.managers import Managers - - -logger = logging.getLogger("moon.db.api.model") - - -class ModelManager(Managers): - - def __init__(self, connector=None): - self.driver = connector.driver - Managers.ModelManager = self - - @enforce(("read", "write"), "models") - def update_model(self, user_id, model_id, value): - if model_id not in self.driver.get_models(model_id=model_id): - raise exceptions.ModelUnknown - return self.driver.update_model(model_id=model_id, value=value) - - @enforce(("read", "write"), "models") - def delete_model(self, user_id, model_id): - if model_id not in self.driver.get_models(model_id=model_id): - raise exceptions.ModelUnknown - # TODO (asteroide): check that no policy is connected to this model - return self.driver.delete_model(model_id=model_id) - - @enforce(("read", "write"), "models") - def add_model(self, user_id, model_id=None, value=None): - if model_id in self.driver.get_models(model_id=model_id): - raise exceptions.ModelExisting - if not model_id: - model_id = uuid4().hex - return self.driver.add_model(model_id=model_id, value=value) - - @enforce("read", "models") - def get_models(self, user_id, model_id=None): - return self.driver.get_models(model_id=model_id) - - @enforce(("read", "write"), "meta_rules") - def set_meta_rule(self, user_id, meta_rule_id, value): - if meta_rule_id not in self.driver.get_meta_rules(meta_rule_id=meta_rule_id): - raise exceptions.MetaRuleUnknown - return self.driver.set_meta_rule(meta_rule_id=meta_rule_id, value=value) - - @enforce("read", "meta_rules") - def get_meta_rules(self, user_id, meta_rule_id=None): - return self.driver.get_meta_rules(meta_rule_id=meta_rule_id) - - @enforce(("read", "write"), "meta_rules") - def add_meta_rule(self, user_id, meta_rule_id=None, value=None): - if meta_rule_id in self.driver.get_meta_rules(meta_rule_id=meta_rule_id): - raise exceptions.MetaRuleExisting - return self.driver.set_meta_rule(meta_rule_id=meta_rule_id, value=value) - - @enforce(("read", "write"), "meta_rules") - def delete_meta_rule(self, user_id, meta_rule_id=None): - if meta_rule_id not in self.driver.get_meta_rules(meta_rule_id=meta_rule_id): - raise exceptions.MetaRuleUnknown - # TODO (asteroide): check and/or delete data and assignments and rules linked to that meta_rule - return self.driver.delete_meta_rule(meta_rule_id=meta_rule_id) - - @enforce("read", "meta_data") - def get_subject_categories(self, user_id, category_id=None): - return self.driver.get_subject_categories(category_id=category_id) - - @enforce(("read", "write"), "meta_data") - def add_subject_category(self, user_id, category_id=None, value=None): - if category_id in self.driver.get_subject_categories(category_id=category_id): - raise exceptions.SubjectCategoryExisting - return self.driver.add_subject_category(name=value["name"], description=value["description"], uuid=category_id) - - @enforce(("read", "write"), "meta_data") - def delete_subject_category(self, user_id, category_id): - # TODO (asteroide): delete all data linked to that category - # TODO (asteroide): delete all meta_rules linked to that category - if category_id not in self.driver.get_subject_categories(category_id=category_id): - raise exceptions.SubjectCategoryUnknown - return self.driver.delete_subject_category(category_id=category_id) - - @enforce("read", "meta_data") - def get_object_categories(self, user_id, category_id=None): - return self.driver.get_object_categories(category_id) - - @enforce(("read", "write"), "meta_data") - def add_object_category(self, user_id, category_id=None, value=None): - if category_id in self.driver.get_object_categories(category_id=category_id): - raise exceptions.ObjectCategoryExisting - return self.driver.add_object_category(name=value["name"], description=value["description"], uuid=category_id) - - @enforce(("read", "write"), "meta_data") - def delete_object_category(self, user_id, category_id): - # TODO (asteroide): delete all data linked to that category - # TODO (asteroide): delete all meta_rules linked to that category - if category_id not in self.driver.get_object_categories(category_id=category_id): - raise exceptions.ObjectCategoryUnknown - return self.driver.delete_object_category(category_id=category_id) - - @enforce("read", "meta_data") - def get_action_categories(self, user_id, category_id=None): - return self.driver.get_action_categories(category_id=category_id) - - @enforce(("read", "write"), "meta_data") - def add_action_category(self, user_id, category_id=None, value=None): - if category_id in self.driver.get_action_categories(category_id=category_id): - raise exceptions.ActionCategoryExisting - return self.driver.add_action_category(name=value["name"], description=value["description"], uuid=category_id) - - @enforce(("read", "write"), "meta_data") - def delete_action_category(self, user_id, category_id): - # TODO (asteroide): delete all data linked to that category - # TODO (asteroide): delete all meta_rules linked to that category - if category_id not in self.driver.get_action_categories(category_id=category_id): - raise exceptions.ActionCategoryExisting - return self.driver.delete_action_category(category_id=category_id) - diff --git a/python_moondb/python_moondb/api/pdp.py b/python_moondb/python_moondb/api/pdp.py deleted file mode 100644 index 7e852ca8..00000000 --- a/python_moondb/python_moondb/api/pdp.py +++ /dev/null @@ -1,43 +0,0 @@ -# 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 - -logger = logging.getLogger("moon.db.api.pdp") - - -class PDPManager(Managers): - - def __init__(self, connector=None): - self.driver = connector.driver - Managers.PDPManager = self - - @enforce(("read", "write"), "pdp") - def update_pdp(self, user_id, pdp_id, value): - if pdp_id not in self.driver.get_pdp(pdp_id=pdp_id): - raise exceptions.PdpUnknown - return self.driver.update_pdp(pdp_id=pdp_id, value=value) - - @enforce(("read", "write"), "pdp") - def delete_pdp(self, user_id, pdp_id): - if pdp_id not in self.driver.get_pdp(pdp_id=pdp_id): - raise exceptions.PdpUnknown - return self.driver.delete_pdp(pdp_id=pdp_id) - - @enforce(("read", "write"), "pdp") - def add_pdp(self, user_id, pdp_id=None, value=None): - if pdp_id in self.driver.get_pdp(pdp_id=pdp_id): - raise exceptions.PdpExisting - if not pdp_id: - pdp_id = uuid4().hex - return self.driver.add_pdp(pdp_id=pdp_id, value=value) - - @enforce("read", "pdp") - def get_pdp(self, user_id, pdp_id=None): - return self.driver.get_pdp(pdp_id=pdp_id) diff --git a/python_moondb/python_moondb/api/policy.py b/python_moondb/python_moondb/api/policy.py deleted file mode 100644 index 9e7ad96c..00000000 --- a/python_moondb/python_moondb/api/policy.py +++ /dev/null @@ -1,290 +0,0 @@ -# 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 - -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 - 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 - 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 - 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 - 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 |