| /* |
| * 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 javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import flex.messaging.FlexContext; |
| import flex.messaging.util.PropertyStringResourceLoader; |
| |
| /** |
| * A Tomcat specific implementation of LoginCommand. |
| */ |
| public class TomcatLoginCommand extends AppServerLoginCommand implements PrincipalConverter { |
| private static final int NO_VALVE = 20000; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Principal doAuthentication(String username, Object credentials) throws SecurityException { |
| TomcatLogin login = TomcatLoginHolder.getLogin(); |
| if (login == null) { |
| SecurityException se = new SecurityException(new PropertyStringResourceLoader(PropertyStringResourceLoader.VENDORS_BUNDLE)); |
| se.setMessage(NO_VALVE); |
| throw se; |
| } |
| |
| String password = extractPassword(credentials); |
| if (password != null) { |
| HttpServletRequest request = (HttpServletRequest) FlexContext.getHttpRequest(); |
| return login.login(username, password, request); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean doAuthorization(Principal principal, List roles) throws SecurityException { |
| boolean authorized = false; |
| |
| HttpServletRequest request = FlexContext.getHttpRequest(); |
| // Response is null for NIO endpoints. |
| HttpServletResponse response = FlexContext.getHttpResponse(); |
| |
| if (responseAndRequestNotNull(response, request) |
| && principalMatchesWithRequest(principal, request)) { |
| authorized = doAuthorization(principal, roles, request); |
| } else { |
| TomcatLogin login = TomcatLoginHolder.getLogin(); |
| if (login == null) { |
| SecurityException se = |
| new SecurityException(new PropertyStringResourceLoader(PropertyStringResourceLoader.VENDORS_BUNDLE)); |
| se.setMessage(NO_VALVE); |
| throw se; |
| } |
| authorized = login.authorize(principal, roles); |
| } |
| |
| return authorized; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean logout(Principal principal) throws SecurityException { |
| HttpServletRequest request = FlexContext.getHttpRequest(); |
| // Response is null for NIO endpoints. |
| HttpServletResponse response = FlexContext.getHttpResponse(); |
| if (responseAndRequestNotNull(response, request)) { |
| TomcatLogin login = TomcatLoginHolder.getLogin(); |
| if (login != null) { |
| return login.logout(request); |
| } else { |
| //TODO should we do this? |
| //request.getSession(false).invalidate(); |
| } |
| } |
| return true; |
| } |
| |
| private boolean principalMatchesWithRequest(Principal principal, HttpServletRequest request) { |
| return principal != null && principal.equals(request.getUserPrincipal()); |
| } |
| |
| private boolean responseAndRequestNotNull(HttpServletResponse response, HttpServletRequest request) { |
| return response != null && request != null; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Principal convertPrincipal(Principal principal) { |
| TomcatLogin login = TomcatLoginHolder.getLogin(); |
| return login.convertPrincipal(principal); |
| } |
| } |