Merge pull request #1166 from rcordovano/messaging_prototype

Messaging prototype

Core/nbproject/project.properties

@@ -1,6 +1,7 @@
+file.reference.activemq-all-5.11.1.jar=C:\\autopsy\\Core\\release\\modules\\ext\\activemq-all-5.11.1.jar
 file.reference.jdom-2.0.5-contrib.jar=release/modules/ext/jdom-2.0.5-contrib.jar
 file.reference.jdom-2.0.5.jar=release/modules/ext/jdom-2.0.5.jar
-file.reference.jython.jar=C:\\autopsy\\Core\\release\\modules\\ext\\jython.jar
+file.reference.jython.jar=release/modules/ext/jython.jar
 file.reference.jython.jar-1=release/modules/ext/jython.jar
 file.reference.metadata-extractor-2.6.2.jar=release/modules/ext/metadata-extractor-2.6.2.jar
 file.reference.Rejistry-1.0-SNAPSHOT.jar=release/modules/ext/Rejistry-1.0-SNAPSHOT.jar

Core/nbproject/project.xml

@@ -206,14 +206,6 @@
                 <runtime-relative-path>ext/jdom-2.0.5.jar</runtime-relative-path>
                 <binary-origin>release/modules/ext/jdom-2.0.5.jar</binary-origin>
             </class-path-extension>
-            <class-path-extension>
-                <runtime-relative-path>ext/Rejistry-1.0-SNAPSHOT.jar</runtime-relative-path>
-                <binary-origin>release/modules/ext/Rejistry-1.0-SNAPSHOT.jar</binary-origin>
-            </class-path-extension>
-            <class-path-extension>
-                <runtime-relative-path>ext/sevenzipjbinding.jar</runtime-relative-path>
-                <binary-origin>release/modules/ext/sevenzipjbinding.jar</binary-origin>
-            </class-path-extension>
             <class-path-extension>
                 <runtime-relative-path>ext/StixLib.jar</runtime-relative-path>
                 <binary-origin>release/modules/ext/StixLib.jar</binary-origin>
@@ -222,6 +214,18 @@
                 <runtime-relative-path>ext/sqlite-jdbc-3.7.15-M1.jar</runtime-relative-path>
                 <binary-origin>release/modules/ext/sqlite-jdbc-3.7.15-M1.jar</binary-origin>
             </class-path-extension>
+            <class-path-extension>
+                <runtime-relative-path>ext/activemq-all-5.11.1.jar</runtime-relative-path>
+                <binary-origin>release/modules/ext/activemq-all-5.11.1.jar</binary-origin>
+            </class-path-extension>
+            <class-path-extension>
+                <runtime-relative-path>ext/Rejistry-1.0-SNAPSHOT.jar</runtime-relative-path>
+                <binary-origin>release/modules/ext/Rejistry-1.0-SNAPSHOT.jar</binary-origin>
+            </class-path-extension>
+            <class-path-extension>
+                <runtime-relative-path>ext/sevenzipjbinding.jar</runtime-relative-path>
+                <binary-origin>release/modules/ext/sevenzipjbinding.jar</binary-origin>
+            </class-path-extension>
             <class-path-extension>
                 <runtime-relative-path>ext/sevenzipjbinding-AllPlatforms.jar</runtime-relative-path>
                 <binary-origin>release/modules/ext/sevenzipjbinding-AllPlatforms.jar</binary-origin>

Core/src/org/sleuthkit/autopsy/casemodule/Case.java

@@ -146,6 +146,8 @@ public class Case implements SleuthkitCase.ErrorObserver {
     // we cache if the case has data in it yet since a few places ask for it and we dont' need to keep going to DB
     private boolean hasData = false;
 
+    private Messenger messenger;
+    
     /**
      * Constructor for the Case class
      */
@@ -158,6 +160,7 @@ public class Case implements SleuthkitCase.ErrorObserver {
         this.db = db;
         this.services = new Services(db);
         db.addErrorObserver(this);
+        messenger = new Messenger(this.name);
     }
 
     /**
@@ -299,6 +302,7 @@ public class Case implements SleuthkitCase.ErrorObserver {
         }
 
         Case newCase = new Case(caseName, caseNumber, examiner, configFilePath, xmlcm, db);
+        newCase.messenger.start();
 
         changeCase(newCase);
     }
@@ -341,6 +345,7 @@ public class Case implements SleuthkitCase.ErrorObserver {
             checkImagesExist(db);
 
             Case openedCase = new Case(caseName, caseNumber, examiner, configFilePath, xmlcm, db);
+            openedCase.messenger.start();
         
             changeCase(openedCase);
 
@@ -492,6 +497,7 @@ public class Case implements SleuthkitCase.ErrorObserver {
         changeCase(null);
 
         try {
+            messenger.stop();
             services.close();
             this.xmlcm.close(); // close the xmlcm
             this.db.close();

Core/src/org/sleuthkit/autopsy/casemodule/Messenger.java

@@ -0,0 +1,115 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2013-2015 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed 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.sleuthkit.autopsy.casemodule;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.io.Serializable;
+import java.util.logging.Level;
+import javax.jms.Connection;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageListener;
+import javax.jms.MessageProducer;
+import javax.jms.ObjectMessage;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+import javax.jms.Topic;
+import org.apache.activemq.ActiveMQConnectionFactory;
+import org.sleuthkit.autopsy.coreutils.Logger;
+
+class Messenger implements PropertyChangeListener, MessageListener {
+
+    private static final String BROKER_URL = "tcp://10.1.8.234:61616";
+    private static final Logger logger = Logger.getLogger(Messenger.class.getName());
+    private final String caseName;
+    private Connection connection;
+    private Session session;
+    private MessageProducer producer;
+
+    Messenger(String caseName) {
+        this.caseName = caseName;
+    }
+
+    void start() {
+        try {
+            ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(BROKER_URL);
+            connection = connectionFactory.createConnection();
+            connection.start();
+            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+            Topic topic = session.createTopic(caseName);
+            producer = session.createProducer(topic);
+
+            MessageConsumer consumer = session.createConsumer(topic, "event = '" + Case.Events.DATA_SOURCE_ADDED.toString() + "'", true);
+            consumer.setMessageListener(this);
+
+            Case.addPropertyChangeListener(this);
+        } catch (Exception ex) {
+            logger.log(Level.SEVERE, "Startup error", ex);
+        }
+    }
+
+    void stop() {
+        Case.removePropertyChangeListener(this);
+        try {
+            session.close();
+            connection.close();
+        } catch (Exception ex) {
+            logger.log(Level.SEVERE, "Shutdown error", ex);
+        }
+    }
+
+    @Override
+    public void propertyChange(PropertyChangeEvent event) {
+        switch (Case.Events.valueOf(event.getPropertyName())) {
+            case DATA_SOURCE_ADDED:
+                if (null != event.getNewValue()) {
+                    send(event);
+                }
+                break;
+        }
+    }
+
+    private void send(PropertyChangeEvent event) {
+        try {
+            ObjectMessage message = session.createObjectMessage();
+            message.setStringProperty("event", Case.Events.DATA_SOURCE_ADDED.toString());
+            message.setObject(Case.Events.DATA_SOURCE_ADDED.toString());
+            producer.send(message);
+        } catch (Exception ex) {
+            logger.log(Level.SEVERE, "Publishing error", ex);
+        }
+    }
+
+    @Override
+    public void onMessage(Message message) {
+        try {
+            if (message instanceof ObjectMessage) {
+                ObjectMessage objMessage = (ObjectMessage) message;
+                String event = (String) objMessage.getObject();
+                logger.log(Level.INFO, "Received {0}", event);
+            }
+            Case.getCurrentCase().notifyNewDataSource(null);
+        } catch (Exception ex) {
+            logger.log(Level.SEVERE, "Publishing error", ex);
+        }
+
+    }
+
+}