| /* |
| * |
| * 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.qpid.server.model.adapter; |
| |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.qpid.server.model.AuthenticationProvider; |
| import org.apache.qpid.server.model.Broker; |
| import org.apache.qpid.server.plugin.AuthenticationManagerFactory; |
| import org.apache.qpid.server.plugin.QpidServiceLoader; |
| import org.apache.qpid.server.security.auth.manager.AuthenticationManager; |
| import org.apache.qpid.server.security.auth.manager.PrincipalDatabaseAuthenticationManager; |
| import org.apache.qpid.server.security.group.GroupPrincipalAccessor; |
| import org.apache.qpid.server.model.adapter.AuthenticationProviderAdapter.PrincipalDatabaseAuthenticationManagerAdapter; |
| import org.apache.qpid.server.model.adapter.AuthenticationProviderAdapter.SimpleAuthenticationProviderAdapter; |
| |
| public class AuthenticationProviderFactory |
| { |
| private final Iterable<AuthenticationManagerFactory> _factories; |
| |
| public AuthenticationProviderFactory(QpidServiceLoader<AuthenticationManagerFactory> authManagerFactoryServiceLoader) |
| { |
| _factories = authManagerFactoryServiceLoader.atLeastOneInstanceOf(AuthenticationManagerFactory.class); |
| } |
| |
| /** |
| * Creates {@link AuthenticationProvider} for given ID, {@link Broker} and attributes. |
| * <p> |
| * The configured {@link AuthenticationManagerFactory}'s are used to try to create the {@link AuthenticationProvider}. |
| * The first non-null instance is returned. The factories are used in non-deterministic order. |
| * @param groupPrincipalAccessor TODO |
| */ |
| public AuthenticationProvider create(UUID id, Broker broker, Map<String, Object> attributes, GroupPrincipalAccessor groupPrincipalAccessor) |
| { |
| for (AuthenticationManagerFactory factory : _factories) |
| { |
| AuthenticationManager manager = factory.createInstance(attributes); |
| if (manager != null) |
| { |
| AuthenticationProviderAdapter<?> authenticationProvider; |
| if (manager instanceof PrincipalDatabaseAuthenticationManager) |
| { |
| authenticationProvider = new PrincipalDatabaseAuthenticationManagerAdapter(id, broker, |
| (PrincipalDatabaseAuthenticationManager) manager, attributes); |
| } |
| else |
| { |
| authenticationProvider = new SimpleAuthenticationProviderAdapter(id, broker, manager, attributes); |
| } |
| authenticationProvider.setGroupAccessor(groupPrincipalAccessor); |
| return authenticationProvider; |
| } |
| } |
| |
| throw new IllegalArgumentException("No authentication provider factory found for configuration attributes " + attributes); |
| } |
| |
| } |