1 /*
   2  * Copyright (c) 2006, 2010, 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  * @summary Check extracted files have date as per those in the .jar file
  28  */
  29 
  30 import java.io.File;
  31 import java.io.PrintWriter;
  32 import java.nio.file.attribute.FileTime;
  33 import sun.tools.jar.Main;
  34 
  35 public class JarEntryTime {
  36 
  37     // ZipEntry's mod date has 2 seconds precision: give extra time to
  38     // allow for e.g. rounding/truncation and networked/samba drives.
  39     static final long PRECISION = 10000L;
  40 
  41     static boolean cleanup(File dir) throws Throwable {
  42         boolean rc = true;
  43         File[] x = dir.listFiles();
  44         if (x != null) {
  45             for (int i = 0; i < x.length; i++) {
  46                 rc &= x[i].delete();
  47             }
  48         }
  49         return rc & dir.delete();
  50     }
  51 
  52     static void extractJar(File jarFile, boolean useExtractionTime) throws Throwable {
  53         String javahome = System.getProperty("java.home");
  54         if (javahome.endsWith("jre")) {
  55             javahome = javahome.substring(0, javahome.length() - 4);
  56         }
  57         String jarcmd = javahome + File.separator + "bin" + File.separator + "jar";
  58         String[] args;
  59         if (useExtractionTime) {
  60             args = new String[] {
  61                 jarcmd,
  62                 "-J-Dsun.tools.jar.useExtractionTime=true",
  63                 "xf",
  64                 jarFile.getName() };
  65         } else {
  66             args = new String[] {
  67                 jarcmd,
  68                 "xf",
  69                 jarFile.getName() };
  70         }
  71         Process p = Runtime.getRuntime().exec(args);
  72         check(p != null && (p.waitFor() == 0));
  73     }
  74 
  75     public static void realMain(String[] args) throws Throwable {
  76 
  77         File dirOuter = new File("outer");
  78         File dirInner = new File(dirOuter, "inner");
  79         File jarFile = new File("JarEntryTime.jar");
  80 
  81         // Remove any leftovers from prior run
  82         cleanup(dirInner);
  83         cleanup(dirOuter);
  84         jarFile.delete();
  85 
  86         /* Create a directory structure
  87          * outer/
  88          *     inner/
  89          *         foo.txt
  90          * Set the lastModified dates so that outer is created now, inner
  91          * yesterday, and foo.txt created "earlier".
  92          */
  93         check(dirOuter.mkdir());
  94         check(dirInner.mkdir());
  95         File fileInner = new File(dirInner, "foo.txt");
  96         try (PrintWriter pw = new PrintWriter(fileInner)) {
  97             pw.println("hello, world");
  98         }
  99 
 100         // Get the "now" from the "last-modified-time" of the last file we
 101         // just created, instead of the "System.currentTimeMillis()", to
 102         // workaround the possible "time difference" due to nfs.
 103         final long now = fileInner.lastModified();
 104         final long earlier = now - (60L * 60L * 6L * 1000L);
 105         final long yesterday = now - (60L * 60L * 24L * 1000L);



 106 
 107         check(dirOuter.setLastModified(now));
 108         check(dirInner.setLastModified(yesterday));
 109         check(fileInner.setLastModified(earlier));
 110 
 111         // Make a jar file from that directory structure
 112         Main jartool = new Main(System.out, System.err, "jar");
 113         check(jartool.run(new String[] {
 114                 "cf",
 115                 jarFile.getName(), dirOuter.getName() } ));
 116         check(jarFile.exists());
 117 
 118         check(cleanup(dirInner));
 119         check(cleanup(dirOuter));
 120 
 121         // Extract and check that the last modified values are those specified
 122         // in the archive
 123         extractJar(jarFile, false);
 124         check(dirOuter.exists());
 125         check(dirInner.exists());
 126         check(fileInner.exists());
 127         checkFileTime(dirOuter.lastModified(), now);
 128         checkFileTime(dirInner.lastModified(), yesterday);
 129         checkFileTime(fileInner.lastModified(), earlier);
 130 
 131         check(cleanup(dirInner));
 132         check(cleanup(dirOuter));
 133 
 134         // Extract and check the last modified values are the current times.
 135         // See sun.tools.jar.Main
 136         extractJar(jarFile, true);
 137         check(dirOuter.exists());
 138         check(dirInner.exists());
 139         check(fileInner.exists());
 140         checkFileTime(dirOuter.lastModified(), now);
 141         checkFileTime(dirInner.lastModified(), now);
 142         checkFileTime(fileInner.lastModified(), now);
 143 
 144         check(cleanup(dirInner));
 145         check(cleanup(dirOuter));
 146 
 147         check(jarFile.delete());
 148     }
 149 
 150     static void checkFileTime(long now, long original) {
 151         if (Math.abs(now - original) > PRECISION) {
 152             System.out.format("Extracted to %s, expected to be close to %s%n",
 153                 FileTime.fromMillis(now), FileTime.fromMillis(original));
 154             fail();
 155         }
 156     }
 157 
 158     //--------------------- Infrastructure ---------------------------
 159     static volatile int passed = 0, failed = 0;
 160     static void pass() {passed++;}
 161     static void fail() {failed++; Thread.dumpStack();}
 162     static void fail(String msg) {System.out.println(msg); fail();}
 163     static void unexpected(Throwable t) {failed++; t.printStackTrace();}
 164     static void check(boolean cond) {if (cond) pass(); else fail();}
 165     static void equal(Object x, Object y) {
 166         if (x == null ? y == null : x.equals(y)) pass();
 167         else fail(x + " not equal to " + y);}
 168     public static void main(String[] args) throws Throwable {
 169         try {realMain(args);} catch (Throwable t) {unexpected(t);}
 170         System.out.println("\nPassed = " + passed + " failed = " + failed);
 171         if (failed > 0) throw new AssertionError("Some tests failed");}
 172 }
--- EOF ---