| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.nifi.registry.security.authorization.resource; |
| |
| import org.apache.nifi.registry.security.authorization.AuthorizationResult; |
| import org.apache.nifi.registry.security.authorization.AuthorizationResult.Result; |
| import org.apache.nifi.registry.security.authorization.Authorizer; |
| import org.apache.nifi.registry.security.authorization.RequestAction; |
| import org.apache.nifi.registry.security.authorization.exception.AccessDeniedException; |
| import org.apache.nifi.registry.security.authorization.user.NiFiUser; |
| |
| import java.util.Map; |
| |
| public interface InheritingAuthorizable extends Authorizable { |
| |
| /** |
| * Returns the result of an authorization request for the specified user for the specified action on the specified |
| * resource. This method does not imply the user is directly attempting to access the specified resource. If the user is |
| * attempting a direct access use Authorizable.authorize(). |
| * |
| * @param authorizer authorizer |
| * @param action action |
| * @param user user |
| * @return is authorized |
| */ |
| default AuthorizationResult checkAuthorization(Authorizer authorizer, RequestAction action, NiFiUser user, Map<String, String> resourceContext) { |
| if (user == null) { |
| throw new AccessDeniedException("Unknown user."); |
| } |
| |
| final AuthorizationResult resourceResult = Authorizable.super.checkAuthorization(authorizer, action, user, resourceContext); |
| |
| // if we're denied from the resource try inheriting |
| if (Result.Denied.equals(resourceResult.getResult()) && getParentAuthorizable() != null) { |
| return getParentAuthorizable().checkAuthorization(authorizer, action, user, resourceContext); |
| } else { |
| return resourceResult; |
| } |
| } |
| |
| /** |
| * Authorizes the current user for the specified action on the specified resource. If the current user is |
| * not in the access policy for the specified resource, the parent authorizable resource will be checked, recursively |
| * |
| * @param authorizer authorizer |
| * @param action action |
| * @param user user |
| * @param resourceContext resource context |
| */ |
| default void authorize(Authorizer authorizer, RequestAction action, NiFiUser user, Map<String, String> resourceContext) throws AccessDeniedException { |
| if (user == null) { |
| throw new AccessDeniedException("Unknown user."); |
| } |
| |
| try { |
| Authorizable.super.authorize(authorizer, action, user, resourceContext); |
| } catch (final AccessDeniedException resourceDenied) { |
| // if we're denied from the resource try inheriting |
| try { |
| if (getParentAuthorizable() != null) { |
| getParentAuthorizable().authorize(authorizer, action, user, resourceContext); |
| } else { |
| throw resourceDenied; |
| } |
| } catch (final AccessDeniedException policiesDenied) { |
| throw resourceDenied; |
| } |
| } |
| } |
| |
| } |