/*
*
* Autopsy Forensic Browser
*
* Copyright 2012 Basis Technology Corp.
*
* Copyright 2012 42six Solutions.
* Contact: aebadirad <at> 42six <dot> com
* Project Contact/Architect: carrier <at> sleuthkit <dot> org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sleuthkit.autopsy.recentactivity;
import org.sleuthkit.autopsy.coreutils.SQLiteDBConnect;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.sql.ResultSet;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.StringTokenizer;
import java.util.logging.Level;
import org.sleuthkit.autopsy.coreutils.Logger;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.sleuthkit.autopsy.casemodule.Case;
import org.sleuthkit.autopsy.casemodule.services.FileManager;
import org.sleuthkit.datamodel.AbstractFile;
import org.sleuthkit.datamodel.Content;
import org.sleuthkit.datamodel.TskCoreException;
/**
*
* @author Alex
*/
class Util {
private static Logger logger = Logger.getLogger(Util.class.getName());
private Util() {
}
public static boolean pathexists(String path) {
File file = new File(path);
boolean exists = file.exists();
return exists;
}
public static String utcConvert(String utc) {
SimpleDateFormat formatter = new SimpleDateFormat("MM-dd-yyyy HH:mm");
String tempconvert = formatter.format(new Date(Long.parseLong(utc)));
return tempconvert;
}
public static String readFile(String path) throws IOException {
FileInputStream stream = new FileInputStream(new File(path));
try {
FileChannel fc = stream.getChannel();
MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
/*
* Instead of using default, pass in a decoder.
*/
return Charset.defaultCharset().decode(bb).toString();
} finally {
stream.close();
}
}
public static String getBaseDomain(String url) {
String host = null;
//strip protocol
String cleanUrl = url.replaceFirst("/.*:\\/\\//", "");
//strip after slashes
String dirToks[] = cleanUrl.split("/\\//");
if (dirToks.length > 0) {
host = dirToks[0];
} else {
host = cleanUrl;
}
//get the domain part from host (last 2)
StringTokenizer tok = new StringTokenizer(host, ".");
StringBuilder hostB = new StringBuilder();
int toks = tok.countTokens();
for (int count = 0; count < toks; ++count) {
String part = tok.nextToken();
int diff = toks - count;
if (diff < 3) {
hostB.append(part);
}
if (diff == 2) {
hostB.append(".");
}
}
return hostB.toString();
}
public static String extractDomain(String value) {
if (value == null) {
return "";
}
String result = "";
// String domainPattern = "(\\w+)\\.(AC|AD|AE|AERO|AF|AG|AI|AL|AM|AN|AO|AQ|AR|ARPA|AS|ASIA|AT|AU|AW|AX|AZ|BA|BB|BD|BE|BF|BG|BH|BI|BIZ|BJ|BM|BN|BO|BR|BS|BT|BV|BW|BY|BZ|CA|CAT|CC|CD|CF|CG|CH|CI|CK|CL|CM|CN|CO|COM|COOP|CR|CU|CV|CW|CX|CY|CZ|DE|DJ|DK|DM|DO|DZ|EC|EDU|EE|EG|ER|ES|ET|EU|FI|FJ|FK|FM|FO|FR|GA|GB|GD|GE|GF|GG|GH|GI|GL|GM|GN|GOV|GP|GQ|GR|GS|GT|GU|GW|GY|HK|HM|HN|HR|HT|HU|ID|IE|IL|IM|IN|INFO|INT|IO|IQ|IR|IS|IT|JE|JM|JO|JOBS|JP|KE|KG|KH|KI|KM|KN|KP|KR|KW|KY|KZ|LA|LB|LC|LI|LK|LR|LS|LT|LU|LV|LY|MA|MC|MD|ME|MG|MH|MIL|MK|ML|MM|MN|MO|MOBI|MP|MQ|MR|MS|MT|MU|MUSEUM|MV|MW|MX|MY|MZ|NA|NAME|NC|NE|NET|NF|NG|NI|NL|NO|NP|NR|NU|NZ|OM|ORG|PA|PE|PF|PG|PH|PK|PL|PM|PN|PR|PRO|PS|PT|PW|PY|QA|RE|RO|RS|RU|RW|SA|SB|SC|SD|SE|SG|SH|SI|SJ|SK|SL|SM|SN|SO|SR|ST|SU|SV|SX|SY|SZ|TC|TD|TEL|TF|TG|TH|TJ|TK|TL|TM|TN|TO|TP|TR|TRAVEL|TT|TV|TW|TZ|UA|UG|UK|US|UY|UZ|VA|VC|VE|VG|VI|VN|VU|WF|WS|XXX|YE|YT|ZA|ZM|ZW(co\\.[a-z].))";
// Pattern p = Pattern.compile(domainPattern,Pattern.CASE_INSENSITIVE);
// Matcher m = p.matcher(value);
// while (m.find()) {
// result = value.substring(m.start(0),m.end(0));
// }
try {
URL url = new URL(value);
result = url.getHost();
} catch (MalformedURLException ex) {
//do not log if not a valid URL, and handle later
//Logger.getLogger(Util.class.getName()).log(Level.SEVERE, null, ex);
}
//was not a valid URL, try a less picky method
if (result == null || result.trim().isEmpty()) {
return getBaseDomain(value);
}
return result;
}
public static String getFileName(String value) {
String filename = "";
String filematch = "^([a-zA-Z]\\:)(\\\\[^\\\\/:*?<>\"|]*(?<!\\[ \\]))*(\\.[a-zA-Z]{2,6})$"; //NON-NLS
Pattern p = Pattern.compile(filematch, Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.COMMENTS);
Matcher m = p.matcher(value);
if (m.find()) {
filename = m.group(1);
}
int lastPos = value.lastIndexOf('\\');
filename = (lastPos < 0) ? value : value.substring(lastPos + 1);
return filename.toString();
}
public static String getPath(String txt) {
String path = "";
//String drive ="([a-z]:\\\\(?:[-\\w\\.\\d]+\\\\)*(?:[-\\w\\.\\d]+)?)"; // Windows drive
String drive = "([a-z]:\\\\\\S.+)"; //NON-NLS
Pattern p = Pattern.compile(drive, Pattern.CASE_INSENSITIVE | Pattern.COMMENTS);
Matcher m = p.matcher(txt);
if (m.find()) {
path = m.group(1);
} else {
String network = "(\\\\(?:\\\\[^:\\s?*\"<>|]+)+)"; // Windows network NON-NLS
Pattern p2 = Pattern.compile(network, Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
Matcher m2 = p2.matcher(txt);
if (m2.find()) {
path = m2.group(1);
}
}
return path;
}
public static long findID(Content dataSource, String path) {
String parent_path = path.replace('\\', '/'); // fix Chrome paths
if (parent_path.length() > 2 && parent_path.charAt(1) == ':') {
parent_path = parent_path.substring(2); // remove drive letter (e.g., 'C:')
}
int index = parent_path.lastIndexOf('/');
String name = parent_path.substring(++index);
parent_path = parent_path.substring(0, index);
FileManager fileManager = Case.getCurrentCase().getServices().getFileManager();
List<AbstractFile> files = null;
try {
files = fileManager.findFiles(dataSource, name, parent_path);
} catch (TskCoreException ex) {
logger.log(Level.WARNING, "Error fetching 'index.data' files for Internet Explorer history."); //NON-NLS
}
if (files == null || files.isEmpty()) {
return -1;
}
return files.get(0).getId();
}
public static boolean checkColumn(String column, String tablename, String connection) {
String query = "PRAGMA table_info(" + tablename + ")"; //NON-NLS
boolean found = false;
ResultSet temprs;
try {
SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
temprs = tempdbconnect.executeQry(query);
while (temprs.next()) {
if (temprs.getString("name") == null ? column == null : temprs.getString("name").equals(column)) { //NON-NLS
found = true;
}
}
} catch (Exception ex) {
logger.log(Level.WARNING, "Error while trying to get columns from sqlite db." + connection, ex); //NON-NLS
}
return found;
}
public static ResultSet runQuery(String query, String connection) {
ResultSet results = null;
try {
SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
results = tempdbconnect.executeQry(query);
tempdbconnect.closeConnection();
} catch (Exception ex) {
logger.log(Level.WARNING, "Error while trying to run sql query: " + query + " : " + connection, ex); //NON-NLS
}
return results;
}
}