mirror of
https://github.com/overcuriousity/autopsy-flatpak.git
synced 2025-07-17 10:17:41 +00:00
Move AddImageTask out of ImageDSProcessor so it can be reused.
This commit is contained in:
raman-bt
parent
aa01261c9a
commit
1f7e98f28e
356
Core/src/org/sleuthkit/autopsy/casemodule/AddImageTask.java
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356
Core/src/org/sleuthkit/autopsy/casemodule/AddImageTask.java
Normal file
@ -0,0 +1,356 @@
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/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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package org.sleuthkit.autopsy.casemodule;
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import java.awt.EventQueue;
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import java.lang.reflect.InvocationTargetException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.logging.Level;
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import javax.swing.SwingWorker;
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import org.sleuthkit.autopsy.corecomponentinterfaces.DSPCallback;
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import org.sleuthkit.autopsy.corecomponentinterfaces.DSPProgressMonitor;
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import org.sleuthkit.autopsy.coreutils.Logger;
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import org.sleuthkit.autopsy.coreutils.PlatformUtil;
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import org.sleuthkit.datamodel.Content;
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import org.sleuthkit.datamodel.Image;
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import org.sleuthkit.datamodel.SleuthkitCase;
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import org.sleuthkit.datamodel.SleuthkitJNI;
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import org.sleuthkit.datamodel.TskCoreException;
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import org.sleuthkit.datamodel.TskDataException;
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import org.sleuthkit.datamodel.TskException;
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public class AddImageTask extends SwingWorker<Integer, Integer> {
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private Logger logger = Logger.getLogger(AddImageTask.class.getName());
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private Case currentCase;
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// true if the process was requested to stop
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private boolean cancelled = false;
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//true if revert has been invoked.
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private boolean reverted = false;
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private boolean hasCritError = false;
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private boolean addImageDone = false;
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private List<String> errorList = new ArrayList<String>();
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private DSPProgressMonitor progressMonitor;
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private DSPCallback callbackObj;
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private final List<Content> newContents = Collections.synchronizedList(new ArrayList<Content>());
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private SleuthkitJNI.CaseDbHandle.AddImageProcess addImageProcess;
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private CurrentDirectoryFetcher fetcher;
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private String imagePath;
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private String dataSourcetype;
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String timeZone;
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boolean noFatOrphans;
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/*
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* Sets the name/path and other options for the iimage to be processed
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*/
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public void SetImageOptions(String imgPath, String tz, boolean noOrphans) {
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this.imagePath = imgPath;
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this.timeZone = tz;
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this.noFatOrphans = noOrphans;
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}
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/*
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* A Swingworker that updates the progressMonitor with the name of the
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* directory currently being processed by the AddImageTask
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*/
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private class CurrentDirectoryFetcher extends SwingWorker<Integer, Integer> {
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DSPProgressMonitor progressMonitor;
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SleuthkitJNI.CaseDbHandle.AddImageProcess process;
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CurrentDirectoryFetcher(DSPProgressMonitor aProgressMonitor, SleuthkitJNI.CaseDbHandle.AddImageProcess proc) {
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this.progressMonitor = aProgressMonitor;
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this.process = proc;
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}
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/**
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* @return the currently processing directory
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*/
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@Override
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protected Integer doInBackground() {
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try {
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while (!(addImageDone)) {
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EventQueue.invokeLater(new Runnable() {
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@Override
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public void run() {
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progressMonitor.setText(process.currentDirectory());
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}
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});
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Thread.sleep(2 * 1000);
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}
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return 1;
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} catch (InterruptedException ie) {
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return -1;
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}
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}
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}
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protected AddImageTask(DSPProgressMonitor aProgressMonitor, DSPCallback cbObj ) {
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this.progressMonitor = aProgressMonitor;
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currentCase = Case.getCurrentCase();
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this.callbackObj = cbObj;
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}
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/**
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* Starts the addImage process, but does not commit the results.
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*
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* @return
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*
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* @throws Exception
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*/
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@Override
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protected Integer doInBackground() {
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this.setProgress(0);
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errorList.clear();
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try {
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//lock DB for writes in EWT thread
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//wait until lock acquired in EWT
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EventQueue.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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SleuthkitCase.dbWriteLock();
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}
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});
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} catch (InterruptedException ex) {
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logger.log(Level.WARNING, "Errors occurred while running add image, could not acquire lock. ", ex);
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return 0;
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} catch (InvocationTargetException ex) {
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logger.log(Level.WARNING, "Errors occurred while running add image, could not acquire lock. ", ex);
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return 0;
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}
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addImageProcess = currentCase.makeAddImageProcess(timeZone, true, noFatOrphans);
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fetcher = new CurrentDirectoryFetcher(progressMonitor, addImageProcess);
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try {
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progressMonitor.setIndeterminate(true);
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progressMonitor.setProgress(0);
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fetcher.execute();
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addImageProcess.run(new String[]{this.imagePath});
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} catch (TskCoreException ex) {
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logger.log(Level.WARNING, "Core errors occurred while running add image. ", ex);
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//critical core/system error and process needs to be interrupted
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hasCritError = true;
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errorList.add(ex.getMessage());
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} catch (TskDataException ex) {
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logger.log(Level.WARNING, "Data errors occurred while running add image. ", ex);
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errorList.add(ex.getMessage());
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} finally {
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// process is over, doesn't need to be dealt with if cancel happens
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}
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return 0;
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}
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/**
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* Commit the finished AddImageProcess, and cancel the CleanupTask that
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* would have reverted it.
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*
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* @param settings property set to get AddImageProcess and CleanupTask
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* from
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*
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* @throws Exception if commit or adding the image to the case failed
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*/
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private void commitImage() throws Exception {
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long imageId = 0;
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try {
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imageId = addImageProcess.commit();
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} catch (TskException e) {
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logger.log(Level.WARNING, "Errors occured while committing the image", e);
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errorList.add(e.getMessage());
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} finally {
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//commit done, unlock db write in EWT thread
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//before doing anything else
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SleuthkitCase.dbWriteUnlock();
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if (imageId != 0) {
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Image newImage = Case.getCurrentCase().addImage(imagePath, imageId, timeZone);
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//while we have the image, verify the size of its contents
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String verificationErrors = newImage.verifyImageSize();
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if (verificationErrors.equals("") == false) {
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//data error (non-critical)
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errorList.add(verificationErrors);
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}
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// Add the image to the list of new content
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newContents.add(newImage);
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}
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logger.log(Level.INFO, "Image committed, imageId: " + imageId);
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logger.log(Level.INFO, PlatformUtil.getAllMemUsageInfo());
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}
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}
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/**
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*
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* (called by EventDispatch Thread after doInBackground finishes)
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*
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* Must Not return without invoking the callBack, unless the caller canceled
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*/
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@Override
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protected void done() {
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setProgress(100);
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// cancel the directory fetcher
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fetcher.cancel(true);
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addImageDone = true;
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// attempt actions that might fail and force the process to stop
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if (cancelled || hasCritError) {
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logger.log(Level.INFO, "Handling errors or interruption that occured in add image process");
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revert();
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}
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if (!errorList.isEmpty()) {
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logger.log(Level.INFO, "Handling non-critical errors that occured in add image process");
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}
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// When everything happens without an error:
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if (!(cancelled || hasCritError)) {
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try {
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// Tell the progress monitor we're done
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progressMonitor.setProgress(100);
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if (newContents.isEmpty()) {
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if (addImageProcess != null) { // and if we're done configuring ingest
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// commit anything
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try {
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commitImage();
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} catch (Exception ex) {
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errorList.add(ex.getMessage());
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// Log error/display warning
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logger.log(Level.SEVERE, "Error adding image to case.", ex);
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}
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} else {
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logger.log(Level.SEVERE, "Missing image process object");
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}
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}
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else { //already commited?
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logger.log(Level.INFO, "Assuming image already committed, will not commit.");
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}
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} catch (Exception ex) {
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//handle unchecked exceptions post image add
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errorList.add(ex.getMessage());
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logger.log(Level.WARNING, "Unexpected errors occurred while running post add image cleanup. ", ex);
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logger.log(Level.SEVERE, "Error adding image to case", ex);
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} finally {
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}
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}
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// invoke the callBack, unless the caller cancelled
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if (!cancelled)
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doCallBack();
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return;
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}
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/*
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* Call the callback with proper parameters
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*/
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private void doCallBack()
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{
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DSPCallback.DSP_Result result;
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if (hasCritError) {
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result = DSPCallback.DSP_Result.CRITICAL_ERRORS;
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}
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else if (!errorList.isEmpty()) {
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result = DSPCallback.DSP_Result.NONCRITICAL_ERRORS;
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}
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else {
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result = DSPCallback.DSP_Result.NO_ERRORS;
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}
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// invoke the callcak, passing it the result, list of new contents, and list of errors
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callbackObj.done(result, errorList, newContents);
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}
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/*
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* cancel the image addition, if possible
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*/
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public void cancelTask() {
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cancelled = true;
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if (!addImageDone) {
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try {
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interrupt();
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}
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catch (Exception ex) {
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logger.log(Level.SEVERE, "Failed to interrup the add image task...");
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}
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}
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else {
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try {
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revert();
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}
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catch(Exception ex) {
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logger.log(Level.SEVERE, "Failed to revert the add image task...");
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}
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}
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}
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/*
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* Interrurp the add image process if it is still running
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*/
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private void interrupt() throws Exception {
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try {
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logger.log(Level.INFO, "interrupt() add image process");
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addImageProcess.stop(); //it might take time to truly stop processing and writing to db
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} catch (TskException ex) {
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throw new Exception("Error stopping add-image process.", ex);
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}
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}
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/*
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* Revert - if image has already been added but not committed yet
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*/
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void revert() {
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if (!reverted) {
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try {
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logger.log(Level.INFO, "Revert after add image process");
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try {
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addImageProcess.revert();
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} catch (TskCoreException ex) {
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logger.log(Level.WARNING, "Error reverting add image process", ex);
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}
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} finally {
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//unlock db write within EWT thread
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SleuthkitCase.dbWriteUnlock();
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}
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reverted = true;
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}
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}
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}
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@ -194,339 +194,5 @@ public class ImageDSProcessor implements DataSourceProcessor {
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}
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/*
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* Background task that actualy adds the image
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*/
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private class AddImageTask extends SwingWorker<Integer, Integer> {
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private Logger logger = Logger.getLogger(AddImageTask.class.getName());
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private Case currentCase;
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// true if the process was requested to stop
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private boolean cancelled = false;
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//true if revert has been invoked.
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private boolean reverted = false;
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private boolean hasCritError = false;
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private boolean addImageDone = false;
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private List<String> errorList = new ArrayList<String>();
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private DSPProgressMonitor progressMonitor;
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private DSPCallback callbackObj;
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private final List<Content> newContents = Collections.synchronizedList(new ArrayList<Content>());
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private SleuthkitJNI.CaseDbHandle.AddImageProcess addImageProcess;
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private CurrentDirectoryFetcher fetcher;
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private String imagePath;
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private String dataSourcetype;
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String timeZone;
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boolean noFatOrphans;
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/*
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* Sets the name/path and other options for the iimage to be processed
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*/
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public void SetImageOptions(String imgPath, String tz, boolean noOrphans) {
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this.imagePath = imgPath;
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this.timeZone = tz;
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this.noFatOrphans = noOrphans;
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}
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/*
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* A Swingworker that updates the progressMonitor with the name of the
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* directory currently being processed by the AddImageTask
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*/
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private class CurrentDirectoryFetcher extends SwingWorker<Integer, Integer> {
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DSPProgressMonitor progressMonitor;
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SleuthkitJNI.CaseDbHandle.AddImageProcess process;
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CurrentDirectoryFetcher(DSPProgressMonitor aProgressMonitor, SleuthkitJNI.CaseDbHandle.AddImageProcess proc) {
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this.progressMonitor = aProgressMonitor;
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this.process = proc;
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}
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/**
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* @return the currently processing directory
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*/
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@Override
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protected Integer doInBackground() {
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try {
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while (!(addImageDone)) {
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EventQueue.invokeLater(new Runnable() {
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@Override
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public void run() {
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progressMonitor.setText(process.currentDirectory());
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}
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});
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Thread.sleep(2 * 1000);
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}
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return 1;
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} catch (InterruptedException ie) {
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return -1;
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}
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}
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}
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protected AddImageTask(DSPProgressMonitor aProgressMonitor, DSPCallback cbObj ) {
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this.progressMonitor = aProgressMonitor;
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currentCase = Case.getCurrentCase();
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this.callbackObj = cbObj;
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}
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/**
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* Starts the addImage process, but does not commit the results.
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*
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* @return
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*
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* @throws Exception
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*/
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@Override
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protected Integer doInBackground() {
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this.setProgress(0);
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errorList.clear();
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try {
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//lock DB for writes in EWT thread
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//wait until lock acquired in EWT
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EventQueue.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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SleuthkitCase.dbWriteLock();
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}
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});
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} catch (InterruptedException ex) {
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logger.log(Level.WARNING, "Errors occurred while running add image, could not acquire lock. ", ex);
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return 0;
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} catch (InvocationTargetException ex) {
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logger.log(Level.WARNING, "Errors occurred while running add image, could not acquire lock. ", ex);
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return 0;
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}
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addImageProcess = currentCase.makeAddImageProcess(timeZone, true, noFatOrphans);
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fetcher = new CurrentDirectoryFetcher(progressMonitor, addImageProcess);
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try {
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progressMonitor.setIndeterminate(true);
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progressMonitor.setProgress(0);
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fetcher.execute();
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addImageProcess.run(new String[]{this.imagePath});
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} catch (TskCoreException ex) {
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logger.log(Level.WARNING, "Core errors occurred while running add image. ", ex);
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//critical core/system error and process needs to be interrupted
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hasCritError = true;
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errorList.add(ex.getMessage());
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} catch (TskDataException ex) {
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logger.log(Level.WARNING, "Data errors occurred while running add image. ", ex);
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errorList.add(ex.getMessage());
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} finally {
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// process is over, doesn't need to be dealt with if cancel happens
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}
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return 0;
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}
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/**
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* Commit the finished AddImageProcess, and cancel the CleanupTask that
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||||
* would have reverted it.
|
||||
*
|
||||
* @param settings property set to get AddImageProcess and CleanupTask
|
||||
* from
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||||
*
|
||||
* @throws Exception if commit or adding the image to the case failed
|
||||
*/
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private void commitImage() throws Exception {
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||||
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||||
long imageId = 0;
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try {
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imageId = addImageProcess.commit();
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} catch (TskException e) {
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logger.log(Level.WARNING, "Errors occured while committing the image", e);
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errorList.add(e.getMessage());
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} finally {
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//commit done, unlock db write in EWT thread
|
||||
//before doing anything else
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||||
SleuthkitCase.dbWriteUnlock();
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||||
|
||||
if (imageId != 0) {
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Image newImage = Case.getCurrentCase().addImage(imagePath, imageId, timeZone);
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|
||||
//while we have the image, verify the size of its contents
|
||||
String verificationErrors = newImage.verifyImageSize();
|
||||
if (verificationErrors.equals("") == false) {
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||||
//data error (non-critical)
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||||
errorList.add(verificationErrors);
|
||||
}
|
||||
|
||||
// Add the image to the list of new content
|
||||
newContents.add(newImage);
|
||||
|
||||
}
|
||||
|
||||
logger.log(Level.INFO, "Image committed, imageId: " + imageId);
|
||||
logger.log(Level.INFO, PlatformUtil.getAllMemUsageInfo());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* (called by EventDispatch Thread after doInBackground finishes)
|
||||
*
|
||||
* Must Not return without invoking the callBack, unless the caller canceled
|
||||
*/
|
||||
@Override
|
||||
protected void done() {
|
||||
|
||||
setProgress(100);
|
||||
|
||||
// cancel the directory fetcher
|
||||
fetcher.cancel(true);
|
||||
|
||||
addImageDone = true;
|
||||
// attempt actions that might fail and force the process to stop
|
||||
if (cancelled || hasCritError) {
|
||||
logger.log(Level.INFO, "Handling errors or interruption that occured in add image process");
|
||||
revert();
|
||||
}
|
||||
if (!errorList.isEmpty()) {
|
||||
logger.log(Level.INFO, "Handling non-critical errors that occured in add image process");
|
||||
}
|
||||
|
||||
// When everything happens without an error:
|
||||
if (!(cancelled || hasCritError)) {
|
||||
|
||||
try {
|
||||
// Tell the progress monitor we're done
|
||||
progressMonitor.setProgress(100);
|
||||
|
||||
if (newContents.isEmpty()) {
|
||||
if (addImageProcess != null) { // and if we're done configuring ingest
|
||||
// commit anything
|
||||
try {
|
||||
commitImage();
|
||||
} catch (Exception ex) {
|
||||
errorList.add(ex.getMessage());
|
||||
// Log error/display warning
|
||||
logger.log(Level.SEVERE, "Error adding image to case.", ex);
|
||||
}
|
||||
} else {
|
||||
logger.log(Level.SEVERE, "Missing image process object");
|
||||
}
|
||||
}
|
||||
|
||||
else { //already commited?
|
||||
logger.log(Level.INFO, "Assuming image already committed, will not commit.");
|
||||
}
|
||||
|
||||
} catch (Exception ex) {
|
||||
//handle unchecked exceptions post image add
|
||||
|
||||
errorList.add(ex.getMessage());
|
||||
|
||||
logger.log(Level.WARNING, "Unexpected errors occurred while running post add image cleanup. ", ex);
|
||||
|
||||
logger.log(Level.SEVERE, "Error adding image to case", ex);
|
||||
} finally {
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
// invoke the callBack, unless the caller cancelled
|
||||
if (!cancelled)
|
||||
doCallBack();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Call the callback with proper parameters
|
||||
*/
|
||||
private void doCallBack()
|
||||
{
|
||||
DSPCallback.DSP_Result result;
|
||||
|
||||
if (hasCritError) {
|
||||
result = DSPCallback.DSP_Result.CRITICAL_ERRORS;
|
||||
}
|
||||
else if (!errorList.isEmpty()) {
|
||||
result = DSPCallback.DSP_Result.NONCRITICAL_ERRORS;
|
||||
}
|
||||
else {
|
||||
result = DSPCallback.DSP_Result.NO_ERRORS;
|
||||
}
|
||||
|
||||
// invoke the callcak, passing it the result, list of new contents, and list of errors
|
||||
callbackObj.done(result, errorList, newContents);
|
||||
}
|
||||
|
||||
/*
|
||||
* cancel the image addition, if possible
|
||||
*/
|
||||
public void cancelTask() {
|
||||
|
||||
cancelled = true;
|
||||
|
||||
if (!addImageDone) {
|
||||
try {
|
||||
addImageTask.interrupt();
|
||||
}
|
||||
catch (Exception ex) {
|
||||
logger.log(Level.SEVERE, "Failed to interrup the add image task...");
|
||||
}
|
||||
}
|
||||
else {
|
||||
try {
|
||||
addImageTask.revert();
|
||||
}
|
||||
catch(Exception ex) {
|
||||
logger.log(Level.SEVERE, "Failed to revert the add image task...");
|
||||
}
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Interrurp the add image process if it is still running
|
||||
*/
|
||||
private void interrupt() throws Exception {
|
||||
|
||||
try {
|
||||
logger.log(Level.INFO, "interrupt() add image process");
|
||||
addImageProcess.stop(); //it might take time to truly stop processing and writing to db
|
||||
} catch (TskException ex) {
|
||||
throw new Exception("Error stopping add-image process.", ex);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Revert - if image has already been added but not committed yet
|
||||
*/
|
||||
void revert() {
|
||||
|
||||
if (!reverted) {
|
||||
|
||||
try {
|
||||
logger.log(Level.INFO, "Revert after add image process");
|
||||
try {
|
||||
addImageProcess.revert();
|
||||
} catch (TskCoreException ex) {
|
||||
logger.log(Level.WARNING, "Error reverting add image process", ex);
|
||||
}
|
||||
} finally {
|
||||
//unlock db write within EWT thread
|
||||
SleuthkitCase.dbWriteUnlock();
|
||||
}
|
||||
reverted = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user