| /* |
| * 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 flex.messaging.security; |
| |
| import java.security.Principal; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.servlet.ServletConfig; |
| import javax.servlet.http.HttpServletRequest; |
| |
| import flex.messaging.FlexContext; |
| import flex.messaging.io.MessageIOConstants; |
| |
| /** |
| * This class implements LoginCommand and doAuthorization in way that should work by default if |
| * authorization logged a user into the J2EE application server. doAuthorization uses isUserInRole. |
| */ |
| public abstract class AppServerLoginCommand implements LoginCommand { |
| |
| /** |
| * The gateway calls this method to perform programmatic authorization. |
| * <p> |
| * This implementation will simply iterate over the supplied roles and |
| * check that at least one of the roles returned true from a call to |
| * HttpServletRequest.isUserInRole(String role). |
| * </p> |
| * |
| * @param principal The principal being checked for authorization |
| * @param roles A List of role names to check, all members should be strings |
| * @return true if the principal belongs to at least one of the roles |
| * @throws SecurityException Throws SecurityException |
| */ |
| public boolean doAuthorization(Principal principal, List roles) throws SecurityException { |
| HttpServletRequest request = FlexContext.getHttpRequest(); |
| return (request != null) ? doAuthorization(principal, roles, request) : false; |
| } |
| |
| protected boolean doAuthorization(Principal principal, List roles, HttpServletRequest request) |
| throws SecurityException { |
| for (Object role : roles) { |
| if (request.isUserInRole((String) role)) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| protected String extractPassword(Object credentials) { |
| if (credentials instanceof String) |
| return (String) credentials; |
| else if (credentials instanceof Map) |
| return (String) ((Map) credentials).get(MessageIOConstants.SECURITY_CREDENTIALS); |
| return null; |
| } |
| |
| /** |
| * Called to initialize a login command prior to authentication/authorization requests. |
| * The default implementation is no-op but subclasses can override to provide |
| * their own implementation. |
| * |
| * @param config The servlet configuration for MessageBrokerServlet. |
| */ |
| public void start(ServletConfig config) { |
| // No-op. |
| } |
| |
| /** |
| * Called to free up resources used by the login command. The default implementation |
| * is no-op, subclasses can override to provide their own implementation. |
| */ |
| public void stop() { |
| // No-op. |
| } |
| } |