| /* |
| * |
| * 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.security; |
| |
| import java.security.Security; |
| import java.util.Map; |
| import java.util.TreeMap; |
| |
| import javax.security.sasl.SaslClientFactory; |
| |
| import org.apache.qpid.QpidConfig; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class DynamicSaslRegistrar |
| { |
| private static final Logger _logger = LoggerFactory.getLogger(DynamicSaslRegistrar.class); |
| |
| public static void registerSaslProviders() |
| { |
| Map<String, Class> factories = registerSaslClientFactories(); |
| if (factories.size() > 0) |
| { |
| if (Security.addProvider(new JCAProvider(factories)) == -1) |
| { |
| _logger.error("Unable to load custom SASL providers. Qpid custom SASL authenticators unavailable."); |
| } |
| else |
| { |
| _logger.debug("Dynamic SASL provider added as a security provider"); |
| } |
| } |
| } |
| |
| private static Map<String, Class> registerSaslClientFactories() |
| { |
| TreeMap<String, Class> factoriesToRegister = |
| new TreeMap<String, Class>(); |
| |
| for (QpidConfig.SaslClientFactory factory: QpidConfig.get().getSaslClientFactories()) |
| { |
| String className = factory.getFactoryClass(); |
| try |
| { |
| Class clazz = Class.forName(className); |
| if (!(SaslClientFactory.class.isAssignableFrom(clazz))) |
| { |
| _logger.debug("Class " + clazz + " does not implement " + SaslClientFactory.class + " - skipping"); |
| continue; |
| } |
| factoriesToRegister.put(factory.getType(), clazz); |
| } |
| catch (Exception ex) |
| { |
| _logger.debug("Error instantiating SaslClientFactory calss " + className + " - skipping"); |
| } |
| } |
| return factoriesToRegister; |
| } |
| |
| |
| } |