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https://github.com/overcuriousity/autopsy-flatpak.git
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Merge pull request #4797 from wschaeferB/5046-RecentActivityNPE-PreStoryCleanup
5046 recent activity npe pre story cleanup
This commit is contained in:
Richard Cordovano
GitHub
commit
721d2bc174
@ -22,11 +22,16 @@
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*/
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package org.sleuthkit.autopsy.recentactivity;
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import java.io.*;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.StringReader;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.logging.Level;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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@ -40,7 +45,6 @@ import org.sleuthkit.autopsy.datamodel.ContentUtils;
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import org.sleuthkit.autopsy.ingest.DataSourceIngestModuleProcessTerminator;
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import org.sleuthkit.autopsy.ingest.IngestJobContext;
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import org.sleuthkit.autopsy.recentactivity.UsbDeviceIdMapper.USBInfo;
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import org.sleuthkit.datamodel.*;
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import org.sleuthkit.datamodel.BlackboardArtifact.ARTIFACT_TYPE;
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import org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE;
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import org.w3c.dom.Document;
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@ -50,6 +54,14 @@ import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Scanner;
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import java.util.Set;
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import java.util.HashSet;
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import static java.util.TimeZone.getTimeZone;
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import org.openide.util.Lookup;
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import org.sleuthkit.autopsy.ingest.DataSourceIngestModuleProgress;
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@ -57,7 +69,13 @@ import org.sleuthkit.autopsy.ingest.IngestModule.IngestModuleException;
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import org.sleuthkit.autopsy.ingest.IngestServices;
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import org.sleuthkit.autopsy.ingest.ModuleDataEvent;
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import org.sleuthkit.autopsy.keywordsearchservice.KeywordSearchService;
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import org.sleuthkit.datamodel.AbstractFile;
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import org.sleuthkit.datamodel.BlackboardArtifact;
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import org.sleuthkit.datamodel.BlackboardAttribute;
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import org.sleuthkit.datamodel.Content;
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import org.sleuthkit.datamodel.ReadContentInputStream.ReadContentInputStreamException;
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import org.sleuthkit.datamodel.Report;
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import org.sleuthkit.datamodel.TskCoreException;
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/**
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* Extract windows registry data using regripper. Runs two versions of
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@ -72,21 +90,19 @@ import org.sleuthkit.datamodel.ReadContentInputStream.ReadContentInputStreamExce
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})
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class ExtractRegistry extends Extract {
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private final Logger logger = Logger.getLogger(this.getClass().getName());
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private String RR_PATH;
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private String RR_FULL_PATH;
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private Path rrHome; // Path to the Autopsy version of RegRipper
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private Path rrFullHome; // Path to the full version of RegRipper
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private Content dataSource;
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private IngestJobContext context;
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final private static UsbDeviceIdMapper USB_MAPPER = new UsbDeviceIdMapper();
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final private static String RIP_EXE = "rip.exe";
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final private static String RIP_PL = "rip.pl";
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final private static int MS_IN_SEC = 1000;
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final private static String NEVER_DATE = "Never";
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final private static String SECTION_DIVIDER = "-------------------------";
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final private static Logger logger = Logger.getLogger(ExtractRegistry.class.getName());
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private final List<String> rrCmd = new ArrayList<>();
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private final List<String> rrFullCmd = new ArrayList<>();
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private final Path rrHome; // Path to the Autopsy version of RegRipper
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private final Path rrFullHome; // Path to the full version of RegRipper
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private Content dataSource;
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private IngestJobContext context;
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ExtractRegistry() throws IngestModuleException {
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moduleName = NbBundle.getMessage(ExtractIE.class, "ExtractRegistry.moduleName.text");
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@ -106,19 +122,19 @@ class ExtractRegistry extends Extract {
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executableToRun = RIP_PL;
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}
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rrHome = rrRoot.toPath();
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RR_PATH = rrHome.resolve(executableToRun).toString();
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String rrPath = rrHome.resolve(executableToRun).toString();
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rrFullHome = rrFullRoot.toPath();
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RR_FULL_PATH = rrFullHome.resolve(executableToRun).toString();
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if (!(new File(RR_PATH).exists())) {
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if (!(new File(rrPath).exists())) {
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throw new IngestModuleException(Bundle.RegRipperNotFound());
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}
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if (!(new File(RR_FULL_PATH).exists())) {
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String rrFullPath = rrFullHome.resolve(executableToRun).toString();
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if (!(new File(rrFullPath).exists())) {
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throw new IngestModuleException(Bundle.RegRipperFullNotFound());
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}
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if (PlatformUtil.isWindowsOS()) {
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rrCmd.add(RR_PATH);
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rrFullCmd.add(RR_FULL_PATH);
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rrCmd.add(rrPath);
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rrFullCmd.add(rrFullPath);
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} else {
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String perl;
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File usrBin = new File("/usr/bin/perl");
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@ -131,9 +147,9 @@ class ExtractRegistry extends Extract {
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throw new IngestModuleException("perl not found in your system");
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}
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rrCmd.add(perl);
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rrCmd.add(RR_PATH);
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rrCmd.add(rrPath);
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rrFullCmd.add(perl);
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rrFullCmd.add(RR_FULL_PATH);
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rrFullCmd.add(rrFullPath);
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}
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}
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@ -224,23 +240,19 @@ class ExtractRegistry extends Extract {
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}
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// parse the autopsy-specific output
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if (regOutputFiles.autopsyPlugins.isEmpty() == false) {
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if (parseAutopsyPluginOutput(regOutputFiles.autopsyPlugins, regFile) == false) {
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this.addErrorMessage(
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NbBundle.getMessage(this.getClass(), "ExtractRegistry.analyzeRegFiles.failedParsingResults",
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this.getName(), regFileName));
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}
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if (regOutputFiles.autopsyPlugins.isEmpty() == false && parseAutopsyPluginOutput(regOutputFiles.autopsyPlugins, regFile) == false) {
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this.addErrorMessage(
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NbBundle.getMessage(this.getClass(), "ExtractRegistry.analyzeRegFiles.failedParsingResults",
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this.getName(), regFileName));
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}
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// create a report for the full output
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if (!regOutputFiles.fullPlugins.isEmpty()) {
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//parse the full regripper output from SAM hive files
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if (regFileNameLocal.toLowerCase().contains("sam")) {
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if (parseSamPluginOutput(regOutputFiles.fullPlugins, regFile) == false) {
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this.addErrorMessage(
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NbBundle.getMessage(this.getClass(), "ExtractRegistry.analyzeRegFiles.failedParsingResults",
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this.getName(), regFileName));
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}
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if (regFileNameLocal.toLowerCase().contains("sam") && parseSamPluginOutput(regOutputFiles.fullPlugins, regFile) == false) {
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this.addErrorMessage(
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NbBundle.getMessage(this.getClass(), "ExtractRegistry.analyzeRegFiles.failedParsingResults",
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this.getName(), regFileName));
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}
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try {
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Report report = currentCase.addReport(regOutputFiles.fullPlugins,
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@ -259,7 +271,6 @@ class ExtractRegistry extends Extract {
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this.addErrorMessage("Error adding regripper output as Autopsy report: " + e.getLocalizedMessage()); //NON-NLS
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}
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}
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// delete the hive
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regFileNameLocalFile.delete();
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}
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@ -273,12 +284,6 @@ class ExtractRegistry extends Extract {
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}
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}
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private class RegOutputFiles {
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public String autopsyPlugins = "";
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public String fullPlugins = "";
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}
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/**
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* Execute regripper on the given registry.
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*
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@ -406,12 +411,11 @@ class ExtractRegistry extends Extract {
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Element timenode = (Element) timenodes.item(0);
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String etime = timenode.getTextContent();
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try {
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Long epochtime = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy").parse(etime).getTime();
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mtime = epochtime;
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mtime = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy").parse(etime).getTime();
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String Tempdate = mtime.toString();
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mtime = Long.valueOf(Tempdate) / MS_IN_SEC;
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} catch (ParseException ex) {
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logger.log(Level.WARNING, "Failed to parse epoch time when parsing the registry."); //NON-NLS
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logger.log(Level.WARNING, "Failed to parse epoch time when parsing the registry.", ex); //NON-NLS
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}
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}
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@ -424,7 +428,6 @@ class ExtractRegistry extends Extract {
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Element artroot = (Element) artroots.item(0);
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NodeList myartlist = artroot.getChildNodes();
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String parentModuleName = RecentActivityExtracterModuleFactory.getModuleName();
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String winver = "";
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// If all artifact nodes should really go under one Blackboard artifact, need to process it differently
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switch (dataType) {
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@ -508,7 +511,6 @@ class ExtractRegistry extends Extract {
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case "Profiler": // NON-NLS
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String os = "";
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String procArch = "";
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String procId = "";
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String tempDir = "";
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for (int j = 0; j < myartlist.getLength(); j++) {
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Node artchild = myartlist.item(j);
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@ -526,7 +528,6 @@ class ExtractRegistry extends Extract {
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procArch = value;
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break;
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case "PROCESSOR_IDENTIFIER": //NON-NLS
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procId = value;
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break;
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case "TEMP": //NON-NLS
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tempDir = value;
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@ -652,7 +653,7 @@ class ExtractRegistry extends Extract {
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try {
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Long epochtime = new SimpleDateFormat("EEE MMM d HH:mm:ss yyyy").parse(artnode.getAttribute("mtime")).getTime(); //NON-NLS
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itemMtime = epochtime;
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itemMtime = itemMtime / MS_IN_SEC;
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itemMtime /= MS_IN_SEC;
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} catch (ParseException e) {
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logger.log(Level.WARNING, "Failed to parse epoch time for installed program artifact."); //NON-NLS
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}
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@ -852,10 +853,9 @@ class ExtractRegistry extends Extract {
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String line = bufferedReader.readLine();
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Set<UserInfo> userSet = new HashSet<>();
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while (line != null) {
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if (line.contains(SECTION_DIVIDER) && previousLine != null) {
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if (previousLine.contains(userInfoSection)) {
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readUsers(bufferedReader, userSet);
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}
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if (line.contains(SECTION_DIVIDER) && previousLine != null && previousLine.contains(userInfoSection)) {
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readUsers(bufferedReader, userSet);
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}
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previousLine = line;
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line = bufferedReader.readLine();
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@ -923,7 +923,7 @@ class ExtractRegistry extends Extract {
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} catch (ParseException ex) {
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logger.log(Level.SEVERE, "Error parsing the the date from the registry file", ex); //NON-NLS
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} catch (TskCoreException ex) {
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logger.log(Level.SEVERE, "Error updating TSK_OS_ACCOUNT artifacts to include newly parsed data.", ex); //NON-NLS
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logger.log(Level.SEVERE, "Error updating TSK_OS_ACCOUNT artifacts to include newly parsed data.", ex); //NON-NLS
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}
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return false;
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}
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@ -953,8 +953,7 @@ class ExtractRegistry extends Extract {
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if (line.contains(userNameLabel)) {
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String userNameAndIdString = line.replace(userNameLabel, "");
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userName = userNameAndIdString.substring(0, userNameAndIdString.lastIndexOf('[')).trim();
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}
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else if (line.contains(sidLabel) && !userName.isEmpty()){
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} else if (line.contains(sidLabel) && !userName.isEmpty()) {
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String sid = line.replace(sidLabel, "").trim();
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UserInfo userInfo = new UserInfo(userName, sid);
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//continue reading this users information until end of file or a blank line between users
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@ -986,6 +985,15 @@ class ExtractRegistry extends Extract {
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}
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/**
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* Private wrapper class for Registry output files
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*/
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private class RegOutputFiles {
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public String autopsyPlugins = "";
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public String fullPlugins = "";
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}
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/**
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* Class for organizing information associated with a TSK_OS_ACCOUNT before
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* the artifact is created.
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@ -1001,7 +1009,7 @@ class ExtractRegistry extends Extract {
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/**
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* Create a UserInfo object
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*
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* @param name - the os user account name
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* @param name - the os user account name
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* @param userSidString - the SID for the user account
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*/
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private UserInfo(String name, String userSidString) {
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