Method GetFilterTargets

lib/remote/filterutility.cpp:335–487

}

std::vector<Value> FilterUtility::GetFilterTargets(const QueryDescription& qd, const Dictionary::Ptr& query, const ApiUser::Ptr& user, const String& variableName)
{
	std::vector<Value> result;

	TargetProvider::Ptr provider;

	if (qd.Provider)
		provider = qd.Provider;
	else
		provider = new ConfigObjectTargetProvider();

	FilterExprPermissionChecker::Ptr permissionChecker = new FilterExprPermissionChecker{user};
	auto* permissionFilter = permissionChecker->CheckPermission(qd.Permission);

	Namespace::Ptr permissionFrameNS = new Namespace();
	ScriptFrame permissionFrame(false, permissionFrameNS);

	for (const String& type : qd.Types) {
		String attr = type;
		boost::algorithm::to_lower(attr);

		if (attr == "type")
			attr = "name";

		if (query && query->Contains(attr)) {
			String name = HttpUtility::GetLastParameter(query, attr);
			Object::Ptr target = provider->GetTargetByName(type, name);

			if (!FilterUtility::EvaluateFilter(permissionFrame, permissionFilter, target, variableName))
				BOOST_THROW_EXCEPTION(ScriptError("Access denied to object '" + name + "' of type '" + type + "'"));

			result.emplace_back(std::move(target));
		}

		attr = provider->GetPluralName(type);
		boost::algorithm::to_lower(attr);

		if (query && query->Contains(attr)) {
			Array::Ptr names = query->Get(attr);
			if (names) {
				ObjectLock olock(names);
				for (String name : names) {
					Object::Ptr target = provider->GetTargetByName(type, name);

					if (!FilterUtility::EvaluateFilter(permissionFrame, permissionFilter, target, variableName))
						BOOST_THROW_EXCEPTION(ScriptError("Access denied to object '" + name + "' of type '" + type + "'"));

					result.emplace_back(std::move(target));
				}
			}
		}
	}

	if ((query && query->Contains("filter")) || result.empty()) {
		if (!query->Contains("type"))
			BOOST_THROW_EXCEPTION(std::invalid_argument("Type must be specified when using a filter."));

		String type = HttpUtility::GetLastParameter(query, "type");