1 /*
2 *
3 * Autopsy Forensic Browser
4 *
5 * Copyright 2012 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;
48
53 class Util {
54
55 private static Logger logger = Logger.getLogger(Util.class.getName());
56
57 private Util() {
58 }
59
60 public static boolean pathexists(String path) {
61 File file = new File(path);
62 boolean exists = file.exists();
63 return exists;
64 }
65
66 public static String utcConvert(String utc) {
67 SimpleDateFormat formatter = new SimpleDateFormat("MM-dd-yyyy HH:mm");
68 String tempconvert = formatter.format(new Date(Long.parseLong(utc)));
69 return tempconvert;
70 }
71
72 public static String readFile(String path) throws IOException {
73 FileInputStream stream = new FileInputStream(new File(path));
74 try {
75 FileChannel fc = stream.getChannel();
76 MappedByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
77 /*
78 * Instead of using default, pass in a decoder.
79 */
80 return Charset.defaultCharset().decode(bb).toString();
81 } finally {
82 stream.close();
83 }
84 }
85
86 public static String getBaseDomain(String url) {
87 String host = null;
88 //strip protocol
89 String cleanUrl = url.replaceFirst("/.*:\\/\\//", "");
90
91 //strip after slashes
92 String dirToks[] = cleanUrl.split("/\\//");
93 if (dirToks.length > 0) {
94 host = dirToks[0];
95 } else {
96 host = cleanUrl;
97 }
98
99 //get the domain part from host (last 2)
100 StringTokenizer tok = new StringTokenizer(host, ".");
101 StringBuilder hostB = new StringBuilder();
102 int toks = tok.countTokens();
103
104 for (int count = 0; count < toks; ++count) {
105 String part = tok.nextToken();
106 int diff = toks - count;
107 if (diff < 3) {
108 hostB.append(part);
109 }
110 if (diff == 2) {
111 hostB.append(".");
112 }
113 }
114
115 return hostB.toString();
116 }
117
118 public static String extractDomain(String value) {
119 if (value == null) {
120 return "";
121
122 }
123 String result = "";
124 // 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].))";
125 // Pattern p = Pattern.compile(domainPattern,Pattern.CASE_INSENSITIVE);
126 // Matcher m = p.matcher(value);
127 // while (m.find()) {
128 // result = value.substring(m.start(0),m.end(0));
129 // }
130
131 try {
132 URL url = new URL(value);
133 result = url.getHost();
134 } catch (MalformedURLException ex) {
135 //do not log if not a valid URL, and handle later
136 //Logger.getLogger(Util.class.getName()).log(Level.SEVERE, null, ex);
137 }
138
139 //was not a valid URL, try a less picky method
140 if (result == null || result.trim().isEmpty()) {
141 return getBaseDomain(value);
142 }
143
144 return result;
145 }
146
147 public static String getFileName(String value) {
148 String filename = "";
149 String filematch = "^([a-zA-Z]\\:)(\\\\[^\\\\/:*?<>\"|]*(?<!\\[ \\]))*(\\.[a-zA-Z]{2,6})$"; //NON-NLS
150
151 Pattern p = Pattern.compile(filematch, Pattern.CASE_INSENSITIVE | Pattern.DOTALL | Pattern.COMMENTS);
152 Matcher m = p.matcher(value);
153 if (m.find()) {
154 filename = m.group(1);
155
156 }
157 int lastPos = value.lastIndexOf('\\');
158 filename = (lastPos < 0) ? value : value.substring(lastPos + 1);
159 return filename.toString();
160 }
161
162 public static String getPath(String txt) {
163 String path = "";
164
165 //String drive ="([a-z]:\\\\(?:[-\\w\\.\\d]+\\\\)*(?:[-\\w\\.\\d]+)?)"; // Windows drive
166 String drive = "([a-z]:\\\\\\S.+)"; //NON-NLS
167 Pattern p = Pattern.compile(drive, Pattern.CASE_INSENSITIVE | Pattern.COMMENTS);
168 Matcher m = p.matcher(txt);
169 if (m.find()) {
170 path = m.group(1);
171
172 } else {
173
174 String network = "(\\\\(?:\\\\[^:\\s?*\"<>|]+)+)"; // Windows network NON-NLS
175
176 Pattern p2 = Pattern.compile(network, Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
177 Matcher m2 = p2.matcher(txt);
178 if (m2.find()) {
179 path = m2.group(1);
180 }
181 }
182 return path;
183 }
184
185 public static long findID(Content dataSource, String path) {
186 String parent_path = path.replace('\\', '/'); // fix Chrome paths
187 if (parent_path.length() > 2 && parent_path.charAt(1) == ':') {
188 parent_path = parent_path.substring(2); // remove drive letter (e.g., 'C:')
189 }
190 int index = parent_path.lastIndexOf('/');
191 String name = parent_path.substring(++index);
192 parent_path = parent_path.substring(0, index);
193 FileManager fileManager = Case.getCurrentCase().getServices().getFileManager();
194 List<AbstractFile> files = null;
195 try {
196 files = fileManager.findFiles(dataSource, name, parent_path);
197 } catch (TskCoreException ex) {
198 logger.log(Level.WARNING, "Error fetching 'index.data' files for Internet Explorer history."); //NON-NLS
199 }
200
201 if (files == null || files.isEmpty()) {
202 return -1;
203 }
204 return files.get(0).getId();
205 }
206
207 public static boolean checkColumn(String column, String tablename, String connection) {
208 String query = "PRAGMA table_info(" + tablename + ")"; //NON-NLS
209 boolean found = false;
210 ResultSet temprs;
211 try {
212 SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
213 temprs = tempdbconnect.executeQry(query);
214 while (temprs.next()) {
215 if (temprs.getString("name") == null ? column == null : temprs.getString("name").equals(column)) { //NON-NLS
216 found = true;
217 }
218 }
219 } catch (Exception ex) {
220 logger.log(Level.WARNING, "Error while trying to get columns from sqlite db." + connection, ex); //NON-NLS
221 }
222 return found;
223 }
224
225 public static ResultSet runQuery(String query, String connection) {
226 ResultSet results = null;
227 try {
228 SQLiteDBConnect tempdbconnect = new SQLiteDBConnect("org.sqlite.JDBC", "jdbc:sqlite:" + connection); //NON-NLS
229 results = tempdbconnect.executeQry(query);
230 tempdbconnect.closeConnection();
231 } catch (Exception ex) {
232 logger.log(Level.WARNING, "Error while trying to run sql query: " + query + " : " + connection, ex); //NON-NLS
233 }
234 return results;
235 }
236 }