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Diffstat (limited to 'old/python_moondb/python_moondb/api/model.py')
| -rw-r--r-- | old/python_moondb/python_moondb/api/model.py | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/old/python_moondb/python_moondb/api/model.py b/old/python_moondb/python_moondb/api/model.py new file mode 100644 index 00000000..4f6c34cb --- /dev/null +++ b/old/python_moondb/python_moondb/api/model.py @@ -0,0 +1,338 @@ +# 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 +import copy + +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 + + if not value['name'].strip(): + raise exceptions.ModelContentError('Model name invalid') + + if 'meta_rules' not in value: + raise exceptions.MetaRuleUnknown + + if not value['name']: + raise exceptions.ModelContentError + + model = self.get_models(user_id=user_id, model_id=model_id) + model = model[next(iter(model))] + if ((model['meta_rules'] and value['meta_rules'] and model['meta_rules'] != value[ + 'meta_rules']) \ + or (model['meta_rules'] and not value['meta_rules'])): + policies = Managers.PolicyManager.get_policies(user_id=user_id) + for policy_id in policies: + if policies[policy_id]["model_id"] == model_id: + raise exceptions.DeleteModelWithPolicy + + if value and 'meta_rules' in value: + for meta_rule_id in value['meta_rules']: + if not self.driver.get_meta_rules(meta_rule_id=meta_rule_id): + raise exceptions.MetaRuleUnknown + + 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 + policies = Managers.PolicyManager.get_policies(user_id=user_id) + for policy in policies: + if policies[policy]['model_id'] == model_id: + raise exceptions.DeleteModelWithPolicy + 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 not value['name']: + raise exceptions.ModelContentError + + if not value['name'].strip(): + raise exceptions.ModelContentError('Model name invalid') + + models = self.driver.get_models() + if model_id in models: + raise exceptions.ModelExisting + + for model in models: + if models[model]['name'] == value['name']: + raise exceptions.ModelExisting("Model Name Existed") + same_meta_rule_counter = 0 + for meta_rule_id in models[model]['meta_rules']: + if meta_rule_id in value['meta_rules']: + same_meta_rule_counter += 1 + if same_meta_rule_counter == len(value['meta_rules']) and \ + len(models[model]['meta_rules']) == len(value['meta_rules']): + raise exceptions.ModelExisting("Meta Rules List Existed in another Model") + + if not model_id: + model_id = uuid4().hex + if value and 'meta_rules' in value: + for meta_rule_id in value['meta_rules']: + if not meta_rule_id: + raise exceptions.MetaRuleUnknown + meta_rule = self.driver.get_meta_rules(meta_rule_id=meta_rule_id) + if not meta_rule: + raise exceptions.MetaRuleUnknown + + meta_rule_content = meta_rule[next(iter(meta_rule))] + if (not meta_rule_content['subject_categories']) or ( + not meta_rule_content['object_categories']) or ( + not meta_rule_content['action_categories']): + raise exceptions.MetaRuleContentError + + 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 update_meta_rule(self, user_id, meta_rule_id, value): + meta_rules=self.driver.get_meta_rules() + if not meta_rule_id or meta_rule_id not in meta_rules: + raise exceptions.MetaRuleUnknown + self.__check_meta_rule_dependencies(user_id=user_id, meta_rule_id=meta_rule_id) + if value: + if 'subject_categories' in value: + for subject_category_id in value['subject_categories']: + if not subject_category_id or not self.driver.get_subject_categories( + category_id=subject_category_id): + raise exceptions.SubjectCategoryUnknown + if 'object_categories' in value: + for object_category_id in value['object_categories']: + if not object_category_id or not self.driver.get_object_categories( + category_id=object_category_id): + raise exceptions.ObjectCategoryUnknown + if 'action_categories' in value: + for action_category_id in value['action_categories']: + if not action_category_id or not self.driver.get_action_categories( + category_id=action_category_id): + raise exceptions.ActionCategoryUnknown + + for meta_rule_obj_id in meta_rules: + counter_matched_list = 0 + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['subject_categories'], + value['subject_categories']) + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['object_categories'], + value['object_categories']) + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['action_categories'], + value['action_categories']) + if counter_matched_list == 3 and meta_rule_obj_id!=meta_rule_id: + raise exceptions.MetaRuleExisting("Same categories combination existed") + + return self.driver.set_meta_rule(meta_rule_id=meta_rule_id, value=value) + + def __check_meta_rule_dependencies(self, user_id, meta_rule_id): + policies = Managers.PolicyManager.get_policies(user_id=user_id) + for policy_id in policies: + rules = Managers.PolicyManager.get_rules(user_id=user_id, policy_id=policy_id, + meta_rule_id=meta_rule_id) + if len(rules['rules']): + raise exceptions.MetaRuleUpdateError + + @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 not value['name']: + raise exceptions.MetaRuleContentError + + meta_rules = self.driver.get_meta_rules() + + if meta_rule_id in meta_rules: + raise exceptions.MetaRuleExisting + + if value: + if 'subject_categories' in value: + for subject_category_id in value['subject_categories']: + if not self.driver.get_subject_categories(category_id=subject_category_id): + raise exceptions.SubjectCategoryUnknown + if 'object_categories' in value: + for object_category_id in value['object_categories']: + if not self.driver.get_object_categories(category_id=object_category_id): + raise exceptions.ObjectCategoryUnknown + if 'action_categories' in value: + for action_category_id in value['action_categories']: + if not self.driver.get_action_categories(category_id=action_category_id): + raise exceptions.ActionCategoryUnknown + + for meta_rule_obj_id in meta_rules: + counter_matched_list = 0 + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['subject_categories'], + value['subject_categories']) + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['object_categories'], + value['object_categories']) + counter_matched_list += self.check_combination(meta_rules[meta_rule_obj_id]['action_categories'], + value['action_categories']) + if counter_matched_list == 3: + raise exceptions.MetaRuleExisting("Same categories combination existed") + + return self.driver.set_meta_rule(meta_rule_id=meta_rule_id, value=value) + + @enforce(("read", "write"), "meta_rules") + def check_combination(self, list_one, list_two): + counter_removed_items = 0 + temp_list_two = copy.deepcopy(list_two) + for item in list_one: + if item in temp_list_two: + temp_list_two.remove(item) + counter_removed_items += 1 + + if counter_removed_items == len(list_two) and len(list_two) == len(list_one) and len(list_two): + return 1 + return 0 + + @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 + models = self.get_models(user_id=user_id) + for model_id in models: + for id in models[model_id]['meta_rules']: + if id == meta_rule_id: + raise exceptions.DeleteMetaRuleWithModel + 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): + subject_categories = self.driver.get_subject_categories(category_id=category_id) + + if not value['name']: + raise exceptions.CategoryNameInvalid + + if category_id in subject_categories: + 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 + meta_rules = self.get_meta_rules(user_id=user_id) + for meta_rule_id in meta_rules: + for subject_category_id in meta_rules[meta_rule_id]['subject_categories']: + logger.info( + "delete_subject_category {} {}".format(subject_category_id, meta_rule_id)) + logger.info("delete_subject_category {}".format(meta_rules[meta_rule_id])) + if subject_category_id == category_id: + # has_rules = self.driver.is_meta_rule_has_rules(meta_rule_id) + # if has_rules: + raise exceptions.DeleteSubjectCategoryWithMetaRule + + if self.driver.is_subject_category_has_assignment(category_id): + raise exceptions.DeleteCategoryWithAssignment + + if self.driver.is_subject_data_exist(category_id=category_id): + raise exceptions.DeleteCategoryWithData + + 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 not value['name']: + raise exceptions.CategoryNameInvalid + + object_categories = self.driver.get_object_categories(category_id=category_id) + if category_id in object_categories: + 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 + meta_rules = self.get_meta_rules(user_id=user_id) + for meta_rule_id in meta_rules: + for object_category_id in meta_rules[meta_rule_id]['object_categories']: + if object_category_id == category_id: + # has_rules = self.driver.is_meta_rule_has_rules(meta_rule_id) + # if has_rules: + raise exceptions.DeleteObjectCategoryWithMetaRule + + if self.driver.is_object_category_has_assignment(category_id): + raise exceptions.DeleteCategoryWithAssignment + + if self.driver.is_object_data_exist(category_id=category_id): + raise exceptions.DeleteCategoryWithData + + 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 not value['name']: + raise exceptions.CategoryNameInvalid + + action_categories = self.driver.get_action_categories(category_id=category_id) + if category_id in action_categories: + 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.ActionCategoryUnknown + meta_rules = self.get_meta_rules(user_id=user_id) + for meta_rule_id in meta_rules: + for action_category_id in meta_rules[meta_rule_id]['action_categories']: + if action_category_id == category_id: + # has_rules = self.driver.is_meta_rule_has_rules(meta_rule_id) + # if has_rules: + raise exceptions.DeleteActionCategoryWithMetaRule + + if self.driver.is_action_category_has_assignment(category_id): + raise exceptions.DeleteCategoryWithAssignment + + if self.driver.is_action_data_exist(category_id=category_id): + raise exceptions.DeleteCategoryWithData + + return self.driver.delete_action_category(category_id=category_id) |