added signature checking for javafx videos

Core/src/org/sleuthkit/autopsy/corecomponents/DataContentViewerMedia.java

@@ -21,7 +21,9 @@ package org.sleuthkit.autopsy.corecomponents;
 import java.awt.CardLayout;
 import java.awt.Component;
 import java.awt.Dimension;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Level;
 import javax.imageio.ImageIO;
 
@@ -33,6 +35,8 @@ import org.openide.util.lookup.ServiceProviders;
 import org.sleuthkit.autopsy.corecomponentinterfaces.DataContentViewer;
 import org.sleuthkit.autopsy.coreutils.ImageUtils;
 import org.sleuthkit.datamodel.AbstractFile;
+import org.sleuthkit.datamodel.BlackboardAttribute;
+import org.sleuthkit.datamodel.TskCoreException;
 import org.sleuthkit.datamodel.TskData.TSK_FS_NAME_FLAG_ENUM;
 
 /**
@@ -50,6 +54,7 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
     private final MediaViewVideoPanel videoPanel;
     private final String[] videoExtensions; // get them from the panel
     private String[] imageExtensions; // use javafx supported 
+    private final List<String> supportedMimes;
     private final MediaViewImagePanel imagePanel;
     private boolean videoPanelInited;
     private boolean imagePanelInited;
@@ -71,7 +76,7 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
         imagePanelInited = imagePanel.isInited();
     
         videoExtensions = videoPanel.getExtensions();
-
+        supportedMimes = videoPanel.getMimeTypes();
         customizeComponents();
         logger.log(Level.INFO, "Created MediaView instance: " + this);
     }
@@ -141,9 +146,10 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
                 this.switchPanels(false);
 
             } else if (videoPanelInited
-                    && (containsExt(file.getName(), videoExtensions) || containsExt(file.getName(), AUDIO_EXTENSIONS))) {
+                    && containsMimeType(selectedNode,supportedMimes)&&(containsExt(file.getName(), videoExtensions) || containsExt(file.getName(), AUDIO_EXTENSIONS))) {
                 videoPanel.setupVideo(file, dims);
                 switchPanels(true);
+                
             }
         } catch (Exception e) {
             logger.log(Level.SEVERE, "Exception while setting node", e);
@@ -218,8 +224,8 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
         } 
         
         if (videoPanelInited && videoPanel.isInited()) {
-            if (containsExt(name, AUDIO_EXTENSIONS)
+            if ((containsExt(name, AUDIO_EXTENSIONS)
-                || (containsExt(name, videoExtensions))) {
+                || containsExt(name, videoExtensions))&& containsMimeType(node,supportedMimes)) {
                 return true;
             }
         }
@@ -254,4 +260,22 @@ public class DataContentViewerMedia extends javax.swing.JPanel implements DataCo
         }
         return Arrays.asList(exts).contains(ext);
     }
+     private static boolean containsMimeType(Node node, List<String> mimeTypes) {
+         if (mimeTypes.isEmpty()) return true; //GStreamer currently is empty. Signature detection for javafx currently
+         AbstractFile file = node.getLookup().lookup(AbstractFile.class);   
+            try {
+            ArrayList<BlackboardAttribute> genInfoAttributes = file.getGenInfoAttributes(BlackboardAttribute.ATTRIBUTE_TYPE.TSK_FILE_TYPE_SIG);
+            if (genInfoAttributes.isEmpty() == false) {
+                for (BlackboardAttribute batt : genInfoAttributes) {
+                    if (mimeTypes.contains(batt.getValueString())) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+        } catch (TskCoreException ex) {
+            return false;
+        }
+         return false;
+     }
 }

Core/src/org/sleuthkit/autopsy/corecomponents/FXVideoPanel.java

@@ -21,6 +21,7 @@ package org.sleuthkit.autopsy.corecomponents;
 import java.awt.Dimension;
 import java.io.IOException;
 import java.nio.file.Paths;
+import java.util.Arrays;
 import java.util.List;
 import java.util.concurrent.CancellationException;
 import java.util.logging.Level;
@@ -82,6 +83,8 @@ import org.sleuthkit.autopsy.core.Installer;
 public class FXVideoPanel extends MediaViewVideoPanel {
 
     private static final String[] EXTENSIONS = new String[]{".mov", ".m4v", ".flv", ".mp4", ".mpg", ".mpeg"};
+    static private final List<String> supportedMimes = Arrays.asList("audio/x-aiff", "video/x-javafx", "video/x-flv", "application/vnd.apple.mpegurl", " audio/mpegurl", "audio/mpeg", "video/mp4","audio/x-m4a","video/x-m4v","audio/x-wav");
+
     private static final Logger logger = Logger.getLogger(MediaViewVideoPanel.class.getName());
     private boolean fxInited = false;
     // FX Components
@@ -467,6 +470,7 @@ public class FXVideoPanel extends MediaViewVideoPanel {
                         case READY:
                         case PAUSED:
                         case STOPPED:
+                        case UNKNOWN:
                             mediaPlayer.play();
                             break;
                         default:
@@ -798,4 +802,9 @@ public class FXVideoPanel extends MediaViewVideoPanel {
     public String[] getExtensions() {
         return EXTENSIONS;
     }
+  
+    @Override
+    public List<String> getMimeTypes(){
+        return supportedMimes;
+    }
 }

Core/src/org/sleuthkit/autopsy/corecomponents/GstVideoPanel.java

@@ -24,6 +24,7 @@ import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.nio.IntBuffer;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
@@ -88,7 +89,7 @@ public class GstVideoPanel extends MediaViewVideoPanel {
     private final Object playbinLock = new Object(); // lock for synchronization of gstPlaybin2 player
     private AbstractFile currentFile;
     private Set<String> badVideoFiles = Collections.synchronizedSet(new HashSet<String>());
-
+    static private final List<String> supportedMimes = Arrays.asList();
     /**
      * Creates new form MediaViewVideoPanel
      */
@@ -802,4 +803,9 @@ public class GstVideoPanel extends MediaViewVideoPanel {
     public String[] getExtensions() {
         return EXTENSIONS;
     }
+    
+    @Override
+    public List<String> getMimeTypes(){
+        return supportedMimes;
+    }
 }

Core/src/org/sleuthkit/autopsy/corecomponents/MediaViewVideoPanel.java

@@ -20,6 +20,7 @@ package org.sleuthkit.autopsy.corecomponents;
 
 import java.awt.Dimension;
 import java.util.Arrays;
+import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import javax.swing.JPanel;
@@ -108,4 +109,8 @@ public abstract class MediaViewVideoPanel extends JPanel implements FrameCapture
      * Return the extensions supported by this video panel.
      */
     abstract public String[] getExtensions();
+        /**
+     * Return the extensions supported by this video panel.
+     */
+    abstract public List<String> getMimeTypes();
 }