1 /*
2 *
3 * Autopsy Forensic Browser
4 *
5 * Copyright 2012-2018 Basis Technology Corp.
6 *
7 * Copyright 2012 42six Solutions.
8 * Contact: aebadirad <at> 42six <dot> com
9 * Project Contact/Architect: carrier <at> sleuthkit <dot> org
10 *
11 * Licensed under the Apache License, Version 2.0 (the "License");
12 * you may not use this file except in compliance with the License.
13 * You may obtain a copy of the License at
14 *
15 * http://www.apache.org/licenses/LICENSE-2.0
16 *
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
22 */
23 package org.sleuthkit.autopsy.recentactivity;
24
26 import java.io.File;
27 import java.io.FileInputStream;
28 import java.io.IOException;
29 import java.net.MalformedURLException;
30 import java.net.URL;
31 import java.nio.MappedByteBuffer;
32 import java.nio.channels.FileChannel;
33 import java.nio.charset.Charset;
34 import java.sql.ResultSet;
35 import java.text.SimpleDateFormat;
36 import java.util.Date;
37 import java.util.List;
38 import java.util.StringTokenizer;
39 import java.util.logging.Level;
41 import java.util.regex.Matcher;
42 import java.util.regex.Pattern;
49
54 class Util {
55
56 private static Logger logger = Logger.getLogger(Util.class.getName());
57
58 private Util() {
59 }
60
61 public static boolean pathexists(String path) {
62 File file = new File(path);
63 boolean exists = file.exists();
64 return exists;
65 }
66
67 public static String utcConvert(String utc) {
68 SimpleDateFormat formatter = new SimpleDateFormat("MM-dd-yyyy HH:mm");
69 String tempconvert = formatter.format(new Date(Long.parseLong(utc)));
70 return tempconvert;
71 }
72
73 public static String readFile(String path) throws IOException {
74 FileInputStream stream = new FileInputStream(new File(path));
75 try {
76 FileChannel fc = stream.getChannel();
77 MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
78 /*
79 * Instead of using default, pass in a decoder.
80 */
81 return Charset.defaultCharset().decode(bb).toString();
82 } finally {
83 stream.close();
84 }
85 }
86
87 public static String getBaseDomain(String url) {
88 String host = null;
89 //strip protocol
90 String cleanUrl = url.replaceFirst("/.*:\\/\\//", "");
91
92 //strip after slashes
93 String dirToks[] = cleanUrl.split("/\\//");
94 if (dirToks.length > 0) {
95 host = dirToks[0];
96 } else {
97 host = cleanUrl;
98 }
99
100 //get the domain part from host (last 2)
101 StringTokenizer tok = new StringTokenizer(host, ".");
102 StringBuilder hostB = new StringBuilder();
103 int toks = tok.countTokens();
104
105 for (int count = 0; count < toks; ++count) {
106 String part = tok.nextToken();
107 int diff = toks - count;
108 if (diff < 3) {
109 hostB.append(part);
110 }
111 if (diff == 2) {
112 hostB.append(".");
113 }
114 }
115
116 return hostB.toString();
117 }
118
119 public static String extractDomain(String value) {
120 if (value == null) {
121 return "";
122
123 }
124 String result = "";
125 // 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].))";
126 // Pattern p = Pattern.compile(domainPattern,Pattern.CASE_INSENSITIVE);
127 // Matcher m = p.matcher(value);
128 // while (m.find()) {
129 // result = value.substring(m.start(0),m.end(0));
130 // }
131
132 try {
133 URL url = new URL(value);
134 result = url.getHost();
135 } catch (MalformedURLException ex) {
136 //do not log if not a valid URL, and handle later
137 //Logger.getLogger(Util.class.getName()).log(Level.SEVERE, null, ex);
138 }
139
140 //was not a valid URL, try a less picky method
141 if (result == null || result.trim().isEmpty()) {
142 return getBaseDomain(value);
143 }
144
145 return result;
146 }
147
148 public static String getFileName(String value) {
149 String filename = "";
150 String filematch = "^([a-zA-Z]\\:)(\\\\[^\\\\/:*?<>\"|]*(?<!\\[ \\]))*(\\.[a-zA-Z]{2,6})$"; //NON-NLS
151
152 Pattern p = Pattern.compile(filematch, Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.COMMENTS);
153 Matcher m = p.matcher(value);
154 if (m.find()) {
155 filename = m.group(1);
156
157 }
158 int lastPos = value.lastIndexOf('\\');
159 filename = (lastPos < 0) ? value : value.substring(lastPos + 1);
160 return filename.toString();
161 }
162
163 public static String getPath(String txt) {
164 String path = "";
165
166 //String drive ="([a-z]:\\\\(?:[-\\w\\.\\d]+\\\\)*(?:[-\\w\\.\\d]+)?)"; // Windows drive
167 String drive = "([a-z]:\\\\\\S.+)"; //NON-NLS
168 Pattern p = Pattern.compile(drive, Pattern.CASE_INSENSITIVE | Pattern.COMMENTS);
169 Matcher m = p.matcher(txt);
170 if (m.find()) {
171 path = m.group(1);
172
173 } else {
174
175 String network = "(\\\\(?:\\\\[^:\\s?*\"<>|]+)+)"; // Windows network NON-NLS
176
177 Pattern p2 = Pattern.compile(network, Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
178 Matcher m2 = p2.matcher(txt);
179 if (m2.find()) {
180 path = m2.group(1);
181 }
182 }
183 return path;
184 }
185
186 public static long findID(Content dataSource, String path) {
187 String parent_path = path.replace('\\', '/'); // fix Chrome paths
188 if (parent_path.length() > 2 && parent_path.charAt(1) == ':') {
189 parent_path = parent_path.substring(2); // remove drive letter (e.g., 'C:')
190 }
191 int index = parent_path.lastIndexOf('/');
192 String name = parent_path.substring(++index);
193 parent_path = parent_path.substring(0, index);
194 List<AbstractFile> files = null;
195 try {
196 FileManager fileManager = Case.getCurrentCaseThrows().getServices().getFileManager();
197 files = fileManager.findFiles(dataSource, name, parent_path);
198 } catch (TskCoreException | NoCurrentCaseException ex) {
199 logger.log(Level.WARNING, "Error fetching 'index.data' files for Internet Explorer history."); //NON-NLS
200 }
201
202 if (files == null || files.isEmpty()) {
203 return -1;
204 }
205 return files.get(0).getId();
206 }
207
208 public static boolean checkColumn(String column, String tablename, String connection) {
209 String query = "PRAGMA table_info(" + tablename + ")"; //NON-NLS
210 boolean found = false;
211 ResultSet temprs;
212 try {
213 SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
214 temprs = tempdbconnect.executeQry(query);
215 while (temprs.next()) {
216 if (temprs.getString("name") == null ? column == null : temprs.getString("name").equals(column)) { //NON-NLS
217 found = true;
218 }
219 }
220 } catch (Exception ex) {
221 logger.log(Level.WARNING, "Error while trying to get columns from sqlite db." + connection, ex); //NON-NLS
222 }
223 return found;
224 }
225
226 public static ResultSet runQuery(String query, String connection) {
227 ResultSet results = null;
228 try {
229 SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
230 results = tempdbconnect.executeQry(query);
231 tempdbconnect.closeConnection();
232 } catch (Exception ex) {
233 logger.log(Level.WARNING, "Error while trying to run sql query: " + query + " : " + connection, ex); //NON-NLS
234 }
235 return results;
236 }
237 }