001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.messaging.amf.process;
023
024 import java.util.Date;
025
026 import org.granite.config.GraniteConfig;
027 import org.granite.context.GraniteContext;
028 import org.granite.logging.Logger;
029 import org.granite.messaging.service.ServiceException;
030 import org.granite.messaging.service.ServiceFactory;
031 import org.granite.messaging.service.ServiceInvoker;
032 import org.granite.messaging.service.security.SecurityService;
033 import org.granite.messaging.service.security.SecurityServiceException;
034 import org.granite.messaging.webapp.ServletGraniteContext;
035 import org.granite.util.UUIDUtil;
036
037 import flex.messaging.messages.AcknowledgeMessage;
038 import flex.messaging.messages.CommandMessage;
039 import flex.messaging.messages.ErrorMessage;
040 import flex.messaging.messages.Message;
041 import flex.messaging.messages.RemotingMessage;
042
043 /**
044 * @author Franck WOLFF
045 */
046 public abstract class AMF3MessageProcessor {
047
048 private static final Logger log = Logger.getLogger(AMF3MessageProcessor.class);
049
050 public static Message process(Message request) {
051 GraniteContext context = GraniteContext.getCurrentInstance();
052 AMF3MessageInterceptor interceptor = context.getGraniteConfig().getAmf3MessageInterceptor();
053
054 Message response = null;
055 try {
056 if (interceptor != null)
057 interceptor.before(request);
058
059 if (request instanceof RemotingMessage)
060 response = processRemotingMessage((RemotingMessage)request);
061 else if (request instanceof CommandMessage)
062 response = processCommandMessage((CommandMessage)request);
063 else
064 throw new IllegalArgumentException("Unknown request message type: " + request);
065 }
066 finally {
067 if (interceptor != null)
068 interceptor.after(request, response);
069 }
070
071 if (context.getSessionId() != null) {
072 response.setHeader("org.granite.sessionId", context.getSessionId());
073 if (((ServletGraniteContext)context).getSession(false) != null) {
074 long serverTime = new Date().getTime();
075 ((ServletGraniteContext)context).getSession().setAttribute(GraniteContext.SESSION_LAST_ACCESSED_TIME_KEY, serverTime);
076 response.setHeader("org.granite.time", serverTime);
077 response.setHeader("org.granite.sessionExp", ((ServletGraniteContext)context).getSession().getMaxInactiveInterval());
078 }
079 }
080
081 return response;
082 }
083
084 public static Message processCommandMessage(CommandMessage request) {
085
086 log.debug(">> Processing AMF3 request:\n%s", request);
087
088 Message response = null;
089 if (request.isSecurityOperation()) {
090 GraniteContext context = GraniteContext.getCurrentInstance();
091 GraniteConfig config = context.getGraniteConfig();
092
093 if (!config.hasSecurityService())
094 log.warn("Ignored security operation (no security settings in granite-config.xml): %s", request);
095 else {
096 SecurityService securityService = config.getSecurityService();
097 try {
098 if (request.isLoginOperation())
099 securityService.login(request.getBody(), (String)request.getHeader(Message.CREDENTIALS_CHARSET_HEADER));
100 else if (request.isLogoutOperation())
101 securityService.logout();
102 else
103 log.warn("Unknown security operation: %s", request);
104 } catch (Exception e) {
105 if (e instanceof SecurityServiceException) {
106 securityService.handleSecurityException((SecurityServiceException)e);
107 log.debug(e, "Could not process security operation: %s", request);
108 }
109 else
110 log.error(e, "Could not process security operation: %s", request);
111 response = new ErrorMessage(request, e);
112 }
113 }
114 }
115
116 if (response == null) {
117 response = new AcknowledgeMessage(request);
118 // For SDK 2.0.1_Hotfix2.
119 if (request.isSecurityOperation())
120 response.setBody("success");
121 }
122
123 // For SDK 2.0.1_Hotfix2.
124 if ("nil".equals(request.getHeader(Message.DS_ID_HEADER)))
125 response.getHeaders().put(Message.DS_ID_HEADER, UUIDUtil.randomUUID());
126
127 log.debug("<< Returning AMF3 response:\n%s", response);
128
129 return response;
130 }
131
132 public static Message processRemotingMessage(RemotingMessage request) {
133
134 log.debug(">> Processing AMF3 request:\n%s", request);
135
136 Message response = null;
137 try {
138 // Execute method on service.
139 ServiceFactory factory = ServiceFactory.getFactoryInstance(request);
140 ServiceInvoker<?> service = factory.getServiceInstance(request);
141 Object result = service.invoke(request);
142
143 response = new AcknowledgeMessage(request);
144 response.setBody(result);
145 } catch (ServiceException e) {
146 log.debug(e, "Could not process remoting message: %s", request);
147 response = new ErrorMessage(request, e);
148 }
149
150 log.debug("<< Returning AMF3 response:\n%s", response);
151
152 return response;
153 }
154 }