1 /*
2 * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 4225317 6969651
27 * @modules jdk.jartool/sun.tools.jar
28 * @summary Check extracted files have date as per those in the .jar file
29 */
30
31 import java.io.File;
32 import java.io.PrintWriter;
33 import java.nio.file.attribute.FileTime;
34 import java.util.Date;
35 import java.util.TimeZone;
36 import sun.tools.jar.Main;
37
38 public class JarEntryTime {
39
40 // ZipEntry's mod date has 2 seconds precision: give extra time to
41 // allow for e.g. rounding/truncation and networked/samba drives.
42 static final long PRECISION = 10000L;
43
44 static final TimeZone TZ = TimeZone.getDefault();
45 static final boolean DST = TZ.inDaylightTime(new Date());
46
47 static boolean cleanup(File dir) throws Throwable {
48 boolean rc = true;
49 File[] x = dir.listFiles();
50 if (x != null) {
51 for (int i = 0; i < x.length; i++) {
52 rc &= x[i].delete();
53 }
54 }
55 return rc & dir.delete();
56 }
57
58 static void extractJar(File jarFile, boolean useExtractionTime) throws Throwable {
59 String javahome = System.getProperty("java.home");
60 String jarcmd = javahome + File.separator + "bin" + File.separator + "jar";
61 String[] args;
62 if (useExtractionTime) {
63 args = new String[] {
64 jarcmd,
65 "-J-Dsun.tools.jar.useExtractionTime=true",
66 "xf",
67 jarFile.getName() };
68 } else {
69 args = new String[] {
70 jarcmd,
71 "xf",
72 jarFile.getName() };
73 }
74 Process p = Runtime.getRuntime().exec(args);
75 check(p != null && (p.waitFor() == 0));
76 }
77
78 public static void realMain(String[] args) throws Throwable {
79
80 File dirOuter = new File("outer");
81 File dirInner = new File(dirOuter, "inner");
82 File jarFile = new File("JarEntryTime.jar");
83 File testFile = new File("JarEntryTimeTest.txt");
84
85 // Remove any leftovers from prior run
86 cleanup(dirInner);
87 cleanup(dirOuter);
88 jarFile.delete();
89 testFile.delete();
90
91 /* Create a directory structure
92 * outer/
93 * inner/
94 * foo.txt
95 * Set the lastModified dates so that outer is created now, inner
96 * yesterday, and foo.txt created "earlier".
97 */
98 check(dirOuter.mkdir());
99 check(dirInner.mkdir());
100 File fileInner = new File(dirInner, "foo.txt");
101 try (PrintWriter pw = new PrintWriter(fileInner)) {
102 pw.println("hello, world");
103 }
104
105 // Get the "now" from the "last-modified-time" of the last file we
106 // just created, instead of the "System.currentTimeMillis()", to
107 // workaround the possible "time difference" due to nfs.
108 final long now = fileInner.lastModified();
109 final long earlier = now - (60L * 60L * 6L * 1000L);
110 final long yesterday = now - (60L * 60L * 24L * 1000L);
111
112 check(dirOuter.setLastModified(now));
113 check(dirInner.setLastModified(yesterday));
114 check(fileInner.setLastModified(earlier));
115
116 // Make a jar file from that directory structure
117 Main jartool = new Main(System.out, System.err, "jar");
118 check(jartool.run(new String[] {
119 "cf",
120 jarFile.getName(), dirOuter.getName() } ));
121 check(jarFile.exists());
122
123 check(cleanup(dirInner));
124 check(cleanup(dirOuter));
125
126 // Extract and check that the last modified values are those specified
127 // in the archive
128 extractJar(jarFile, false);
129 check(dirOuter.exists());
130 check(dirInner.exists());
131 check(fileInner.exists());
132 checkFileTime(dirOuter.lastModified(), now);
133 checkFileTime(dirInner.lastModified(), yesterday);
134 checkFileTime(fileInner.lastModified(), earlier);
135
136 check(cleanup(dirInner));
137 check(cleanup(dirOuter));
138
139 try (PrintWriter pw = new PrintWriter(testFile)) {
140 pw.println("hello, world");
141 }
142 final long start = testFile.lastModified();
143
144 // Extract and check the last modified values are the current times.
145 // See sun.tools.jar.Main
146 extractJar(jarFile, true);
147
148 try (PrintWriter pw = new PrintWriter(testFile)) {
149 pw.println("hello, world");
150 }
151 final long end = testFile.lastModified();
152
153 check(dirOuter.exists());
154 check(dirInner.exists());
155 check(fileInner.exists());
156 checkFileTime(start, dirOuter.lastModified(), end);
157 checkFileTime(start, dirInner.lastModified(), end);
158 checkFileTime(start, fileInner.lastModified(), end);
159
160 check(cleanup(dirInner));
161 check(cleanup(dirOuter));
162
163 check(jarFile.delete());
164 check(testFile.delete());
165 }
166
167 static void checkFileTime(long now, long original) {
168 if (isTimeSettingChanged()) {
169 return;
170 }
171
172 if (Math.abs(now - original) > PRECISION) {
173 System.out.format("Extracted to %s, expected to be close to %s%n",
174 FileTime.fromMillis(now), FileTime.fromMillis(original));
175 fail();
176 }
177 }
178
179 static void checkFileTime(long start, long now, long end) {
180 if (isTimeSettingChanged()) {
181 return;
182 }
183
184 if (now < start || now > end) {
185 System.out.format("Extracted to %s, "
186 + "expected to be after %s and before %s%n",
187 FileTime.fromMillis(now),
188 FileTime.fromMillis(start),
189 FileTime.fromMillis(end));
190 fail();
191 }
192 }
193
194 private static boolean isTimeSettingChanged() {
195 TimeZone currentTZ = TimeZone.getDefault();
196 boolean currentDST = currentTZ.inDaylightTime(new Date());
197 return (!currentTZ.equals(TZ) || currentDST != DST);
198 }
199
200 //--------------------- Infrastructure ---------------------------
201 static volatile int passed = 0, failed = 0;
202 static void pass() {passed++;}
203 static void fail() {failed++; Thread.dumpStack();}
204 static void fail(String msg) {System.out.println(msg); fail();}
205 static void unexpected(Throwable t) {failed++; t.printStackTrace();}
206 static void check(boolean cond) {if (cond) pass(); else fail();}
207 static void equal(Object x, Object y) {
208 if (x == null ? y == null : x.equals(y)) pass();
209 else fail(x + " not equal to " + y);}
210 public static void main(String[] args) throws Throwable {
211 try {realMain(args);} catch (Throwable t) {unexpected(t);}
212 System.out.println("\nPassed = " + passed + " failed = " + failed);
213 if (failed > 0) throw new AssertionError("Some tests failed");}
214 }