| /* |
| * 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.ambari.server.security.authentication; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.apache.ambari.server.configuration.Configuration; |
| import org.apache.ambari.server.orm.entities.UserAuthenticationEntity; |
| import org.apache.ambari.server.orm.entities.UserEntity; |
| import org.apache.ambari.server.security.authorization.UserAuthenticationType; |
| import org.apache.ambari.server.security.authorization.Users; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.security.authentication.AuthenticationProvider; |
| |
| /** |
| * AmbariAuthenticationProvider is an abstract class to be extended by Ambari authentication providers. |
| * <p> |
| * This class contains common methods that may be used by authentication providers. |
| */ |
| public abstract class AmbariAuthenticationProvider implements AuthenticationProvider { |
| private static final Logger LOG = LoggerFactory.getLogger(AmbariAuthenticationProvider.class); |
| |
| /** |
| * Helper object to provide logic for working with users. |
| */ |
| private final Users users; |
| |
| private final Configuration configuration; |
| |
| protected AmbariAuthenticationProvider(Users users, Configuration configuration) { |
| this.users = users; |
| this.configuration = configuration; |
| } |
| |
| /** |
| * Finds the specific {@link UserAuthenticationEntity} from the collection of authentication methods |
| * available to the specified {@link UserEntity}. |
| * |
| * @param userEntity a {@link UserEntity} |
| * @param type the {@link UserAuthenticationType} to retrieve |
| * @return a {@link UserAuthenticationEntity} if found; otherwise null |
| */ |
| protected UserAuthenticationEntity getAuthenticationEntity(UserEntity userEntity, UserAuthenticationType type) { |
| Collection<UserAuthenticationEntity> authenticationEntities = (userEntity == null) ? null : userEntity.getAuthenticationEntities(); |
| if (authenticationEntities != null) { |
| for (UserAuthenticationEntity authenticationEntity : authenticationEntities) { |
| if (authenticationEntity.getAuthenticationType() == type) { |
| return authenticationEntity; |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * Finds the specific set of {@link UserAuthenticationEntity} instances from the collection of |
| * authentication methods available to the specified {@link UserEntity}. |
| * |
| * @param userEntity a {@link UserEntity} |
| * @param type the {@link UserAuthenticationType} to retrieve |
| * @return a collection {@link UserAuthenticationEntity} if found; otherwise null |
| */ |
| protected Collection<UserAuthenticationEntity> getAuthenticationEntities(UserEntity userEntity, UserAuthenticationType type) { |
| Collection<UserAuthenticationEntity> foundAuthenticationEntities = null; |
| |
| Collection<UserAuthenticationEntity> authenticationEntities = (userEntity == null) ? null : userEntity.getAuthenticationEntities(); |
| if (authenticationEntities != null) { |
| foundAuthenticationEntities = new ArrayList<>(); |
| for (UserAuthenticationEntity authenticationEntity : authenticationEntities) { |
| if (authenticationEntity.getAuthenticationType() == type) { |
| foundAuthenticationEntities.add(authenticationEntity); |
| } |
| } |
| } |
| |
| return foundAuthenticationEntities; |
| } |
| |
| /** |
| * Finds the specific set of {@link UserAuthenticationEntity} instances from the collection of |
| * authentication methods available to the specified {@link UserEntity}. |
| * |
| * @param type the {@link UserAuthenticationType} to retrieve |
| * @param key the key to match on |
| * @return a collection {@link UserAuthenticationEntity} if found; otherwise null |
| */ |
| protected Collection<UserAuthenticationEntity> getAuthenticationEntities(UserAuthenticationType type, String key) { |
| return users.getUserAuthenticationEntities(type, key); |
| } |
| |
| protected Users getUsers() { |
| return users; |
| } |
| |
| protected Configuration getConfiguration() { |
| return configuration; |
| } |
| } |