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279 lines
12 KiB
Java
Executable File
279 lines
12 KiB
Java
Executable File
/*
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* Autopsy Forensic Browser
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*
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* Copyright 2011 Basis Technology Corp.
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* Contact: carrier <at> sleuthkit <dot> org
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sleuthkit.autopsy.recentactivity;
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//IO imports
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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// SQL imports
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import java.sql.ResultSet;
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//Util Imports
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.Collection;
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import java.util.LinkedHashMap;
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import java.util.Scanner;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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// TSK Imports
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import org.openide.modules.InstalledFileLocator;
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import org.openide.util.Exceptions;
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import org.sleuthkit.autopsy.casemodule.Case;
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import org.sleuthkit.autopsy.datamodel.ContentUtils;
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import org.sleuthkit.autopsy.datamodel.KeyValue;
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import org.sleuthkit.datamodel.BlackboardArtifact;
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import org.sleuthkit.datamodel.BlackboardArtifact.ARTIFACT_TYPE;
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import org.sleuthkit.datamodel.BlackboardAttribute;
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import org.sleuthkit.datamodel.BlackboardAttribute.ATTRIBUTE_TYPE;
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import org.sleuthkit.datamodel.FsContent;
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import org.sleuthkit.datamodel.SleuthkitCase;
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import org.sleuthkit.datamodel.TskException;
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public class ExtractIE { // implements BrowserActivity {
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private static final Logger logger = Logger.getLogger(ExtractIE.class.getName());
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private final String indexDatQueryStr = "select * from tsk_files where name LIKE '%index.dat%'";
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//sleauthkit db handle
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SleuthkitCase tempDb;
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//paths set in init()
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private String PASCO_RESULTS_PATH;
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private String PASCO_LIB_PATH;
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//Results List to be referenced/used outside the class
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public ArrayList<HashMap<String, Object>> PASCO_RESULTS_LIST = new ArrayList<HashMap<String, Object>>();
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//Look Up Table that holds Pasco2 results
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private HashMap<String, Object> PASCO_RESULTS_LUT;
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private KeyValue IE_PASCO_LUT = new KeyValue(BrowserType.IE.name(), BrowserType.IE.getType());
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public LinkedHashMap<String, Object> IE_OBJ;
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boolean pascoFound = false;
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public ExtractIE() {
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init();
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}
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//@Override
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public KeyValue getRecentActivity() {
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return IE_PASCO_LUT;
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}
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private void init() {
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final Case currentCase = Case.getCurrentCase();
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final String caseDir = Case.getCurrentCase().getCaseDirectory();
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PASCO_RESULTS_PATH = caseDir + File.separator + "recentactivity" + File.separator + "results";
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logger.log(Level.INFO, "Pasco results path: " + PASCO_RESULTS_PATH);
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final File pascoRoot = InstalledFileLocator.getDefault().locate("pasco2", ExtractIE.class.getPackage().getName(), false);
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if (pascoRoot == null) {
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logger.log(Level.SEVERE, "Pasco2 not found");
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pascoFound = false;
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return;
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}
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else {
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pascoFound = true;
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}
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final String pascoHome = pascoRoot.getAbsolutePath();
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logger.log(Level.INFO, "Pasco2 home: " + pascoHome);
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PASCO_LIB_PATH = pascoHome + File.separator + "pasco2.jar" + File.pathSeparator
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+ pascoHome + File.separator + "*";
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try {
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File resultsDir = new File(PASCO_RESULTS_PATH);
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resultsDir.mkdirs();
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Collection<FsContent> FsContentCollection;
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tempDb = currentCase.getSleuthkitCase();
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ResultSet rs = tempDb.runQuery(indexDatQueryStr);
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FsContentCollection = tempDb.resultSetToFsContents(rs);
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String temps;
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String indexFileName;
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for (FsContent fsc : FsContentCollection) {
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// Since each result represent an index.dat file,
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// just create these files with the following notation:
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// index<Number>.dat (i.e. index0.dat, index1.dat,..., indexN.dat)
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// Write each index.dat file to a temp directory.
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//BlackboardArtifact bbart = fsc.newArtifact(ARTIFACT_TYPE.TSK_WEB_HISTORY);
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indexFileName = "index" + Integer.toString((int)fsc.getId()) + ".dat";
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//indexFileName = "index" + Long.toString(bbart.getArtifactID()) + ".dat";
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temps = currentCase.getTempDirectory() + File.separator + indexFileName;
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File datFile = new File(temps);
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try {
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ContentUtils.writeToFile(fsc, datFile);
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}
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catch (IOException e) {
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logger.log(Level.INFO, "Error while trying to write index.dat file " + datFile.getAbsolutePath(), e);
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}
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boolean bPascProcSuccess = executePasco(temps, (int)fsc.getId());
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//At this point pasco2 proccessed the index files.
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//Now fetch the results, parse them and the delete the files.
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if (bPascProcSuccess) {
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//Delete index<n>.dat file since it was succcessfully by Pasco
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datFile.delete();
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}
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}
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} catch (Exception ioex) {
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logger.log(Level.SEVERE, "Error while trying to write index.dat files.", ioex);
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}
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}
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//Simple wrapper to JavaSystemCaller.Exec() to execute pasco2 jar
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// TODO: Hardcoded command args/path needs to be removed. Maybe set some constants and set env variables for classpath
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// I'm not happy with this code. Can't stand making a system call, is not an acceptable solution but is a hack for now.
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private boolean executePasco(String indexFilePath, int fileIndex) {
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if (pascoFound == false)
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return false;
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boolean success = true;
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try {
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List<String> command = new ArrayList<String>();
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command.add("-cp");
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command.add("\"" + PASCO_LIB_PATH + "\"");
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command.add(" isi.pasco2.Main");
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command.add(" -T history");
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command.add("\"" + indexFilePath + "\"");
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command.add(" > \"" + PASCO_RESULTS_PATH + "\\pasco2Result." + Integer.toString(fileIndex) + ".txt\"");
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// command.add(" > " + "\"" + PASCO_RESULTS_PATH + File.separator + Long.toString(bbId) + "\"");
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String[] cmd = command.toArray(new String[0]);
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JavaSystemCaller.Exec.execute("java", cmd);
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} catch (Exception e) {
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success = false;
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logger.log(Level.SEVERE, "ExtractIE::executePasco() -> ", e.getMessage());
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}
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return success;
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}
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public void parsePascoResults() {
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if (pascoFound == false)
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return;
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// First thing we want to do is check to make sure the results directory
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// is not empty.
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File rFile = new File(PASCO_RESULTS_PATH);
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//Let's make sure our list and lut are empty.
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//PASCO_RESULTS_LIST.clear();
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if (rFile.exists()) {
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//Give me a list of pasco results in that directory
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File[] pascoFiles = rFile.listFiles();
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if (pascoFiles.length > 0) {
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try {
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for (File file : pascoFiles) {
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String fileName = file.getName();
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long artObjId = Long.parseLong(fileName.substring(fileName.indexOf(".")+1, fileName.lastIndexOf(".")));
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//bbartname = bbartname.substring(0, 4);
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// Make sure the file the is not empty or the Scanner will
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// throw a "No Line found" Exception
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if (file != null && file.length() > 0) {
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Scanner fileScanner = new Scanner(new FileInputStream(file.toString()));
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//Skip the first three lines
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fileScanner.nextLine();
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fileScanner.nextLine();
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fileScanner.nextLine();
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// long inIndexId = 0;
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while (fileScanner.hasNext()) {
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//long bbartId = Long.parseLong(bbartname + inIndexId++);
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String line = fileScanner.nextLine();
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//Need to change this pattern a bit because there might
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//be instances were "V" might not apply.
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String pattern = "(?)URL(\\s)(V|\\:)";
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Pattern p = Pattern.compile(pattern);
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Matcher m = p.matcher(line);
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if (m.find()) {
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try {
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String[] lineBuff = line.split("\\t");
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PASCO_RESULTS_LUT = new HashMap<String, Object>();
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PASCO_RESULTS_LUT.put(BrowserActivityType.Url.name(), lineBuff[1]);
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PASCO_RESULTS_LUT.put("Title", lineBuff[2]);
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PASCO_RESULTS_LUT.put("Count", lineBuff[0]);
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PASCO_RESULTS_LUT.put("Last Accessed", lineBuff[3]);
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PASCO_RESULTS_LUT.put("Reference", "None");
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// TODO: Need to fix this so we have the right obj_id
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BlackboardArtifact bbart = tempDb.getFileById(artObjId).newArtifact(ARTIFACT_TYPE.TSK_WEB_HISTORY);
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BlackboardAttribute bbatturl = new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_URL.getTypeID(), "RecentActivity", "Internet Explorer", lineBuff[1]);
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bbart.addAttribute(bbatturl);
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BlackboardAttribute bbattdate = new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_LAST_ACCESSED.getTypeID(), "RecentActivity", "Internet Explorer", lineBuff[3]);
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bbart.addAttribute(bbattdate);
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BlackboardAttribute bbattref = new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_REFERRER.getTypeID(), "RecentActivity", "Internet Explorer", "No Ref");
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bbart.addAttribute(bbattref);
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BlackboardAttribute bbatttitle = new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_NAME.getTypeID(), "RecentActivity", "Internet Explorer", lineBuff[2]);
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bbart.addAttribute(bbatttitle);
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BlackboardAttribute bbattprog = new BlackboardAttribute(ATTRIBUTE_TYPE.TSK_PROG_NAME.getTypeID(),"RecentActivity","Internet Explorer","Internet Explorer");
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bbart.addAttribute(bbattprog);
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//KeyValueThing
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//This will be redundant in terms IE.name() because of
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//the way they implemented KeyValueThing
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IE_OBJ = new LinkedHashMap<String, Object>();
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IE_OBJ.put(BrowserType.IE.name(), PASCO_RESULTS_LUT);
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IE_PASCO_LUT.addMap(IE_OBJ);
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PASCO_RESULTS_LIST.add(PASCO_RESULTS_LUT);
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} catch (TskException ex) {
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Exceptions.printStackTrace(ex);
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} catch (SQLException ex) {
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logger.log(Level.WARNING, "Couldn't find file with id: " + artObjId, ex);
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}
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}
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}
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}
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//TODO: Fix Delete issue
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boolean bDelete = file.delete();
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}
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} catch (IOException ioex) {
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logger.log(Level.SEVERE, "ExtractIE::parsePascosResults() -> ", ioex.getMessage());
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}
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}
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}
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}
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}
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