Source Code Cross Referenced for TSSBean.java in  » EJB-Server-geronimo » plugins » org » apache » geronimo » corba » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server geronimo » plugins » org.apache.geronimo.corba 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */package org.apache.geronimo.corba;
017:
018:        import org.apache.commons.logging.Log;
019:        import org.apache.commons.logging.LogFactory;
020:        import org.apache.geronimo.gbean.GBeanLifecycle;
021:        import org.apache.geronimo.gbean.InvalidConfigurationException;
022:        import org.omg.CORBA.Any;
023:        import org.omg.CORBA.ORB;
024:        import org.omg.CORBA.Policy;
025:        import org.omg.CosNaming.NamingContextExt;
026:        import org.omg.CosNaming.NamingContextExtHelper;
027:        import org.omg.PortableServer.IdAssignmentPolicyValue;
028:        import org.omg.PortableServer.ImplicitActivationPolicyValue;
029:        import org.omg.PortableServer.LifespanPolicyValue;
030:        import org.omg.PortableServer.POA;
031:        import org.omg.PortableServer.RequestProcessingPolicyValue;
032:        import org.omg.PortableServer.ServantRetentionPolicyValue;
033:        import org.apache.geronimo.corba.security.ServerPolicy;
034:        import org.apache.geronimo.corba.security.ServerPolicyFactory;
035:        import org.apache.geronimo.corba.security.config.tss.TSSConfig;
036:        import org.apache.geronimo.corba.security.config.tss.TSSNULLTransportConfig;
037:
038:        import java.util.HashMap;
039:        import java.util.Map;
040:
041:        /**
042:         * A TSSBean represents a transport-level security profile for exported EJB objects.  An
043:         * exported object is attached to a TSSBean-created named POA.  The TSSBean POA
044:         * is created in the context of the ORB controlled by a CORBABean instance.
045:         * The parent CORBABean controls the transport-level security of the host connection and
046:         * defines the endpoint connnection for the object (host and listener port).
047:         * TSSBean may then define additional characteristics that
048:         * get encoded in the IOR of the connection.
049:         * @version $Revision: 497125 $ $Date: 2007-01-17 10:51:30 -0800 (Wed, 17 Jan 2007) $
050:         */
051:        public class TSSBean implements  GBeanLifecycle {
052:
053:            private final Log log = LogFactory.getLog(TSSBean.class);
054:
055:            private final ClassLoader classLoader;
056:            private final String POAName;
057:            private final CORBABean server;
058:            private POA localPOA;
059:            private NamingContextExt initialContext;
060:            private TSSConfig tssConfig;
061:            private final Map adapters = new HashMap();
062:            private Policy securityPolicy;
063:
064:            /**
065:             * gbean endpoint constructor
066:             */
067:            public TSSBean() {
068:                classLoader = null;
069:                POAName = null;
070:                server = null;
071:            }
072:
073:            public TSSBean(ClassLoader classLoader, String POAName,
074:                    CORBABean server) {
075:                this .classLoader = classLoader;
076:                this .POAName = POAName;
077:                this .server = server;
078:            }
079:
080:            public CORBABean getServer() {
081:                return server;
082:            }
083:
084:            public String getPOAName() {
085:                return POAName;
086:            }
087:
088:            public TSSConfig getTssConfig() {
089:                return tssConfig;
090:            }
091:
092:            public void setTssConfig(TSSConfig tssConfig) {
093:                if (tssConfig == null)
094:                    tssConfig = new TSSConfig();
095:                this .tssConfig = tssConfig;
096:            }
097:
098:            /**
099:             * TODO: Security policy really shouldn't be inserted if there is not CSI
100:             * config to put into it.
101:             *
102:             * @throws Exception
103:             */
104:            public void doStart() throws Exception {
105:                ClassLoader savedLoader = Thread.currentThread()
106:                        .getContextClassLoader();
107:                try {
108:                    Thread.currentThread().setContextClassLoader(classLoader);
109:
110:                    ORB orb = server.getORB();
111:                    POA rootPOA = server.getRootPOA();
112:
113:                    Any any = orb.create_any();
114:                    any.insert_Value(new ServerPolicy.Config(
115:                            createCSIv2Config(), classLoader));
116:
117:                    securityPolicy = orb.create_policy(
118:                            ServerPolicyFactory.POLICY_TYPE, any);
119:                    Policy[] policies = new Policy[] {
120:                            securityPolicy,
121:                            rootPOA
122:                                    .create_lifespan_policy(LifespanPolicyValue.TRANSIENT),
123:                            rootPOA
124:                                    .create_request_processing_policy(RequestProcessingPolicyValue.USE_ACTIVE_OBJECT_MAP_ONLY),
125:                            rootPOA
126:                                    .create_servant_retention_policy(ServantRetentionPolicyValue.RETAIN),
127:                            rootPOA
128:                                    .create_id_assignment_policy(IdAssignmentPolicyValue.USER_ID),
129:                            rootPOA
130:                                    .create_implicit_activation_policy(ImplicitActivationPolicyValue.NO_IMPLICIT_ACTIVATION), };
131:                    // there may be ORB-specific policy overrides required. 
132:                    policies = server.addPolicyOverrides(policies);
133:
134:                    localPOA = rootPOA.create_POA(POAName, rootPOA
135:                            .the_POAManager(), policies);
136:
137:                    localPOA.the_POAManager().activate();
138:
139:                    org.omg.CORBA.Object obj = server.getORB()
140:                            .resolve_initial_references("NameService");
141:                    // NB:  This is initial context is never used by the TSSBean, but we request it here
142:                    // to verify that the server ORB is correctly configured and our target server is accessible.
143:                    initialContext = NamingContextExtHelper.narrow(obj);
144:                } catch (NoSuchMethodError e) {
145:                    log
146:                            .error("Incorrect level of org.omg.CORBA classes found.\nLikely cause is an incorrect java.endorsed.dirs configuration");
147:                    throw new InvalidConfigurationException(
148:                            "CORBA usage requires Yoko CORBA spec classes in java.endorsed.dirs classpath",
149:                            e);
150:                } finally {
151:                    Thread.currentThread().setContextClassLoader(savedLoader);
152:                }
153:
154:                log.debug("Started CORBA Target Security Service in POA "
155:                        + POAName);
156:            }
157:
158:            public void doStop() throws Exception {
159:                if (localPOA != null) {
160:                    // make sure this POA is destroyed so the bean can be potentially restarted.
161:                    // NOTE:  we do NOT deactivate() the poa manager, as that will take down any
162:                    // other POAs attached to the same manager.  Just destroying this POA is sufficient.
163:                    localPOA.destroy(true, false);
164:                    localPOA = null;
165:                }
166:                log.debug("Stopped CORBA Target Security Service in POA "
167:                        + POAName);
168:            }
169:
170:            public void doFail() {
171:                log.warn("Failed CORBA Target Security Service in POA "
172:                        + POAName);
173:            }
174:
175:            private TSSConfig createCSIv2Config() {
176:                if (tssConfig == null)
177:                    return null;
178:                if (tssConfig.isInherit())
179:                    return server.getTssConfig();
180:
181:                TSSConfig config = new TSSConfig();
182:
183:                if (server.getTssConfig() != null) {
184:                    config.setTransport_mech(server.getTssConfig()
185:                            .getTransport_mech());
186:                } else {
187:                    config.setTransport_mech(new TSSNULLTransportConfig());
188:                }
189:
190:                config.getMechListConfig().setStateful(
191:                        tssConfig.getMechListConfig().isStateful());
192:                for (int i = 0; i < tssConfig.getMechListConfig().size(); i++) {
193:                    config.getMechListConfig().add(
194:                            tssConfig.getMechListConfig().mechAt(i));
195:                }
196:
197:                return config;
198:            }
199:
200:            public void registerContainer(TSSLink tssLink)
201:                    throws CORBAException {
202:                AdapterWrapper adapterWrapper = new AdapterWrapper(tssLink);
203:
204:                adapterWrapper.start(server.getORB(), localPOA, securityPolicy);
205:                adapters.put(tssLink.getContainerId(), adapterWrapper);
206:
207:                log.debug(POAName + " - Linked container "
208:                        + tssLink.getContainerId());
209:            }
210:
211:            public void unregisterContainer(TSSLink tssLink) {
212:                AdapterWrapper adapterWrapper = (AdapterWrapper) adapters
213:                        .remove(tssLink.getContainerId());
214:                if (adapterWrapper != null) {
215:                    try {
216:                        adapterWrapper.stop();
217:                        log.debug(POAName + " - Unlinked container "
218:                                + tssLink.getContainerId());
219:                    } catch (CORBAException e) {
220:                        log.error(POAName + " - Error unlinking container "
221:                                + tssLink.getContainerId(), e);
222:                    }
223:                }
224:            }
225:
226:            /**
227:             * Add the policy overrides (if any) to the list 
228:             * of policies used to create a POA instance.
229:             * 
230:             * @param policies The base set of policies.
231:             * 
232:             * @return A new Policy array with the overrides added.  Returns
233:             *         the same array if no overrides are required.
234:             */
235:            public Policy[] addPolicyOverrides(Policy[] policies) {
236:                return server.addPolicyOverrides(policies);
237:            }
238:        }
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