예제 #1
0
    def _import_subject_object_action_categories(self, json_item_categories,
                                                 type_element):
        import_method = getattr(ModelManager,
                                'add_' + type_element + '_category')
        get_method = getattr(ModelManager,
                             'get_' + type_element + '_categories')

        categories = get_method(self._user_id)

        if not isinstance(json_item_categories, list):
            raise InvalidJson(type_element + " categories shall be a list!")

        for json_item_category in json_item_categories:
            json_to_use = dict()
            JsonUtils.copy_field_if_exists(json_item_category, json_to_use,
                                           "name", str)

            # check if category with the same name exists : do this in moondb ?
            existing_id = None
            for category_key in categories:
                if categories[category_key]["name"] == json_to_use["name"]:
                    existing_id = category_key

            JsonUtils.copy_field_if_exists(json_item_category, json_to_use,
                                           "description", str)
            item_override = JsonUtils.get_override(json_item_category)
            if item_override is True:
                raise ForbiddenOverride(
                    "{} categories do not support override flag !".format(
                        type_element))

            try:
                category = import_method(self._user_id, existing_id,
                                         json_to_use)
            except (exceptions.SubjectCategoryExisting,
                    exceptions.ObjectCategoryExisting,
                    exceptions.ActionCategoryExisting):
                # it already exists: do nothing
                logger.warning(
                    "Ignored {} category with name {} is already in the database"
                    .format(type_element, json_to_use["name"]))
            except Exception as e:
                logger.warning(
                    "Error while importing the category : {}".format(str(e)))
                logger.exception(str(e))
                raise e
예제 #2
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    def _import_models_without_new_meta_rules(self, json_models):
        if not isinstance(json_models, list):
            raise InvalidJson("models shall be a list!")

        for json_model in json_models:
            json_without_new_metarules = dict()
            JsonUtils.copy_field_if_exists(json_model,
                                           json_without_new_metarules, "name",
                                           str)

            # TODO put this in moondb
            # model_in_db = ModelManager.get_models_by_name(json_without_new_metarules["name"])
            models = ModelManager.get_models(self._user_id)
            model_in_db = None
            for model_key in models:
                if models[model_key]["name"] == json_without_new_metarules[
                        "name"]:
                    model_in_db = models[model_key]
                    model_id = model_key
            # end TODO

            JsonUtils.copy_field_if_exists(json_model,
                                           json_without_new_metarules,
                                           "description", str)
            if model_in_db is None:
                model_does_exist = False
            else:
                json_without_new_metarules["meta_rules"] = model_in_db[
                    "meta_rules"]
                model_does_exist = True
            model_override = JsonUtils.get_override(json_model)
            if not model_does_exist:
                logger.debug(
                    "Creating model {} ".format(json_without_new_metarules))
                ModelManager.add_model(self._user_id, None,
                                       json_without_new_metarules)
            elif model_override is True:
                logger.debug("Updating model with id {} : {} ".format(
                    model_id, json_without_new_metarules))
                ModelManager.update_model(self._user_id, model_id,
                                          json_without_new_metarules)
예제 #3
0
    def _import_policies(self, json_policies):
        policy_mandatory_ids = []

        if not isinstance(json_policies, list):
            raise InvalidJson("policies shall be a list!")

        for json_policy in json_policies:
            # TODO put this in moondb
            # policy_in_db = PolicyManager.get_policies_by_name(json_without_model_name["name"])
            policies = PolicyManager.get_policies(self._user_id)
            policy_in_db = None
            policy_id = None
            for policy_key in policies:
                if policies[policy_key]["name"] == json_policy["name"]:
                    policy_in_db = policies[policy_key]
                    policy_id = policy_key
            # end TODO
            if policy_in_db is None:
                policy_does_exist = False
            else:
                policy_does_exist = True

            policy_override = JsonUtils.get_override(json_policy)
            policy_mandatory = JsonUtils.get_mandatory(json_policy)

            if policy_override is False and policy_does_exist:
                if policy_id:
                    policy_mandatory_ids.append(policy_id)
                    logger.warning(
                        "Existing policy not updated because of the override option is not set !"
                    )
                    continue

            json_without_model_name = dict()
            JsonUtils.copy_field_if_exists(json_policy,
                                           json_without_model_name, "name",
                                           str)
            JsonUtils.copy_field_if_exists(json_policy,
                                           json_without_model_name,
                                           "description", str)
            JsonUtils.copy_field_if_exists(json_policy,
                                           json_without_model_name, "genre",
                                           str)
            JsonUtils.convert_name_to_id(json_policy,
                                         json_without_model_name,
                                         "model",
                                         "model_id",
                                         "model",
                                         ModelManager,
                                         self._user_id,
                                         field_mandatory=False)

            if not policy_does_exist:
                logger.debug(
                    "Creating policy {} ".format(json_without_model_name))
                added_policy = PolicyManager.add_policy(
                    self._user_id, None, json_without_model_name)
                if policy_mandatory is True:
                    keys = list(added_policy.keys())
                    policy_mandatory_ids.append(keys[0])
            elif policy_override is True:
                logger.debug(
                    "Updating policy {} ".format(json_without_model_name))
                updated_policy = PolicyManager.update_policy(
                    self._user_id, policy_id, json_without_model_name)
                if policy_mandatory is True:
                    policy_mandatory_ids.append(policy_id)
        return policy_mandatory_ids
예제 #4
0
    def _import_subject_object_action(self, json_items, mandatory_policy_ids,
                                      type_element):
        import_method = getattr(PolicyManager, 'add_' + type_element)
        get_method = getattr(PolicyManager, 'get_' + type_element + 's')

        if not isinstance(json_items, list):
            raise InvalidJson(type_element + " items shall be a list!")

        for json_item in json_items:
            json_without_policy_name = dict()
            JsonUtils.copy_field_if_exists(json_item, json_without_policy_name,
                                           "name", str)
            JsonUtils.copy_field_if_exists(json_item, json_without_policy_name,
                                           "description", str)
            JsonUtils.copy_field_if_exists(json_item, json_without_policy_name,
                                           "extra", dict)
            JsonUtils.convert_names_to_ids(json_item,
                                           json_without_policy_name,
                                           "policies",
                                           "policy_list",
                                           "policy",
                                           PolicyManager,
                                           self._user_id,
                                           field_mandatory=False)
            policy_ids = json_without_policy_name["policy_list"]
            for mandatory_policy_id in mandatory_policy_ids:
                if mandatory_policy_id not in policy_ids:
                    policy_ids.append(mandatory_policy_id)
                    # policy_ids and json_without_policy_name are references to the same array...
                    # json_without_policy_name["policy_list"].append(mandatory_policy_id)

            item_override = JsonUtils.get_override(json_item)
            if item_override is True:
                raise ForbiddenOverride(
                    "{} does not support override flag !".format(type_element))

            if len(policy_ids) == 0:
                raise MissingPolicy(
                    "a {} needs at least one policy to be created or updated : {}"
                    .format(type_element, json.dumps(json_item)))

            for policy_id in policy_ids:
                try:
                    items_in_db = get_method(self._user_id, policy_id)
                    key = None
                    for key_in_db in items_in_db:
                        if items_in_db[key_in_db][
                                "name"] == json_without_policy_name["name"]:
                            key = key_in_db
                            break
                    element = import_method(self._user_id,
                                            policy_id,
                                            perimeter_id=key,
                                            value=json_without_policy_name)
                    logger.debug("Added / updated {} : {}".format(
                        type_element, element))

                except exceptions.PolicyUnknown:
                    raise UnknownPolicy(
                        "Unknown policy when adding a {}!".format(
                            type_element))
                except Exception as e:
                    logger.exception(str(e))
                    raise BaseException(str(e))
예제 #5
0
    def _import_subject_object_action_datas(self, json_items_data,
                                            mandatory_policy_ids,
                                            type_element):
        if type_element == "subject":
            import_method = getattr(PolicyManager,
                                    'set_' + type_element + '_data')
        else:
            import_method = getattr(PolicyManager,
                                    'add_' + type_element + '_data')
        # get_method = getattr(PolicyManager, 'get_' + type_element + '_data')

        if not isinstance(json_items_data, list):
            raise InvalidJson(type_element + " data shall be a list!")

        for json_item_data in json_items_data:
            item_override = JsonUtils.get_override(json_items_data)
            if item_override is True:
                raise ForbiddenOverride(
                    "{} datas do not support override flag !".format(
                        type_element))
            json_to_use = dict()
            JsonUtils.copy_field_if_exists(json_item_data, json_to_use, "name",
                                           str)
            JsonUtils.copy_field_if_exists(json_item_data, json_to_use,
                                           "description", str)
            json_policy = dict()
            # field_mandatory : not mandatory if there is some mandatory policies
            JsonUtils.convert_names_to_ids(
                json_item_data,
                json_policy,
                "policies",
                "policy_id",
                "policy",
                PolicyManager,
                self._user_id,
                field_mandatory=len(mandatory_policy_ids) == 0)
            json_category = dict()
            JsonUtils.convert_name_to_id(json_item_data, json_category,
                                         "category", "category_id",
                                         type_element + "_category",
                                         ModelManager, self._user_id)
            policy_ids = []
            if "policy_id" in json_policy:
                policy_ids = json_policy["policy_id"]

            for policy_id in policy_ids:
                if policy_id is not None and policy_id not in mandatory_policy_ids:
                    mandatory_policy_ids.append(policy_id)

            if len(mandatory_policy_ids) == 0:
                raise InvalidJson(
                    "Invalid data, the policy shall be set when importing {}".
                    format(json_item_data))
            category_id = None
            if "category_id" in json_category:
                category_id = json_category["category_id"]
            if category_id is None:
                raise InvalidJson(
                    "Invalid data, the category shall be set when importing {}"
                    .format(json_item_data))

            for policy_id in mandatory_policy_ids:
                try:
                    data = import_method(self._user_id,
                                         policy_id,
                                         category_id=category_id,
                                         value=json_to_use)
                except exceptions.PolicyUnknown:
                    raise UnknownPolicy(
                        "Unknown policy with id {}".format(policy_id))
                except Exception as e:
                    logger.exception(str(e))
                    raise e
예제 #6
0
    def _import_subject_object_action_assignments(self, json_item_assignments,
                                                  type_element):
        import_method = getattr(PolicyManager,
                                'add_' + type_element + '_assignment')
        get_method = getattr(PolicyManager, 'get_' + type_element + '_data')

        if not isinstance(json_item_assignments, list):
            raise InvalidJson(type_element + " assignments shall be a list!")

        # get the policy id related to the user
        policies = PolicyManager.get_policies(self._user_id)

        for json_item_assignment in json_item_assignments:
            item_override = JsonUtils.get_override(json_item_assignment)
            if item_override is True:
                raise ForbiddenOverride(
                    "{} assignments do not support override flag !".format(
                        type_element))

            json_assignment = dict()
            JsonUtils.convert_name_to_id(json_item_assignment, json_assignment,
                                         "category", "category_id",
                                         type_element + "_category",
                                         ModelManager, self._user_id)

            has_found_data = False
            # loop over policies
            for policy_id in policies:
                json_data = dict()
                try:
                    JsonUtils.convert_name_to_id(json_item_assignment,
                                                 json_assignment, type_element,
                                                 "id", type_element,
                                                 PolicyManager, self._user_id,
                                                 policy_id)
                    JsonUtils.convert_names_to_ids(
                        json_item_assignment, json_data, "assignments",
                        "data_id", type_element + "_data", PolicyManager,
                        self._user_id, policy_id,
                        json_assignment["category_id"])
                    has_found_data = True
                except UnknownName:
                    # the category or data has not been found in this policy : we look into the next one
                    continue
                for data_id in json_data["data_id"]:
                    # find the policy related to the current data
                    data = get_method(self._user_id, policy_id, data_id,
                                      json_assignment["category_id"])
                    if data is not None and len(data) == 1:
                        logger.debug(
                            "Adding / updating a {} assignment from json {}".
                            format(type_element, json_assignment))
                        import_method(self._user_id, policy_id,
                                      json_assignment["id"],
                                      json_assignment["category_id"], data_id)
                    else:
                        raise UnknownData(
                            "Unknown data with id {}".format(data_id))

            # case the data has not been found in any policies
            if has_found_data is False:
                raise InvalidJson(
                    "The json contains unknown {} data or category : {}".
                    format(type_element, json_item_assignment))