1 /*
   2  * Copyright (c) 2013, 2017, 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 4759491 6303183 7012868 8015666 8023713 8068790 8076641 8075526 8130914
  27  *      8161942 8206389
  28  * @summary Test ZOS and ZIS timestamp in extra field correctly
  29  */
  30 
  31 import java.io.*;
  32 import java.nio.file.Files;
  33 import java.nio.file.Path;
  34 import java.nio.file.Paths;
  35 import java.nio.file.attribute.BasicFileAttributeView;
  36 import java.nio.file.attribute.FileOwnerAttributeView;
  37 import java.nio.file.attribute.FileTime;
  38 import java.nio.file.attribute.PosixFilePermission;
  39 import java.time.Instant;
  40 import java.util.Arrays;
  41 import java.util.Set;
  42 import java.util.TimeZone;
  43 import java.util.concurrent.TimeUnit;
  44 import java.util.zip.ZipEntry;
  45 import java.util.zip.ZipFile;
  46 import java.util.zip.ZipInputStream;
  47 import java.util.zip.ZipOutputStream;
  48 
  49 
  50 
  51 public class TestExtraTime {
  52 
  53     public static void main(String[] args) throws Throwable{
  54 
  55         File src = new File(System.getProperty("test.src", "."), "TestExtraTime.java");
  56         if (!src.exists()) {
  57             return;
  58         }
  59 
  60         TimeZone tz = TimeZone.getTimeZone("Asia/Shanghai");
  61 
  62         for (byte[] extra : new byte[][] { null, new byte[] {1, 2, 3}}) {
  63 
  64             // ms-dos 1980 epoch problem
  65             test0(FileTime.from(10, TimeUnit.MILLISECONDS), null, null, null, extra);
  66             // negative epoch time
  67             test0(FileTime.from(-100, TimeUnit.DAYS), null, null, null, extra);
  68 
  69             long time = src.lastModified();
  70             test(FileTime.from(time, TimeUnit.MILLISECONDS),
  71                  FileTime.from(time + 300000, TimeUnit.MILLISECONDS),
  72                  FileTime.from(time - 300000, TimeUnit.MILLISECONDS),
  73                  tz, extra);
  74 
  75             // now
  76             time = Instant.now().toEpochMilli();
  77             test(FileTime.from(time, TimeUnit.MILLISECONDS),
  78                  FileTime.from(time + 300000, TimeUnit.MILLISECONDS),
  79                  FileTime.from(time - 300000, TimeUnit.MILLISECONDS),
  80                  tz, extra);
  81 
  82             // unix 2038
  83             time = 0x80000000L;
  84             test(FileTime.from(time, TimeUnit.SECONDS),
  85                  FileTime.from(time, TimeUnit.SECONDS),
  86                  FileTime.from(time, TimeUnit.SECONDS),
  87                  tz, extra);
  88 
  89             // mtime < unix 2038
  90             time = 0x7fffffffL;
  91             test(FileTime.from(time, TimeUnit.SECONDS),
  92                  FileTime.from(time + 30000, TimeUnit.SECONDS),
  93                  FileTime.from(time + 30000, TimeUnit.SECONDS),
  94                  tz, extra);
  95         }
  96 
  97         testNullHandling();
  98         testTagOnlyHandling();
  99         testTimeConversions();
 100         testNullMtime();
 101     }
 102 
 103     static void test(FileTime mtime, FileTime atime, FileTime ctime,
 104                      TimeZone tz, byte[] extra) throws Throwable {
 105         test0(mtime, null, null, null, extra);
 106         test0(mtime, null, null, tz, extra);    // non-default tz
 107         test0(mtime, atime, null, null, extra);
 108         test0(mtime, null, ctime, null, extra);
 109         test0(mtime, atime, ctime, null, extra);
 110         test0(mtime, atime, null, tz, extra);
 111         test0(mtime, null, ctime, tz, extra);
 112         test0(mtime, atime, ctime, tz, extra);
 113     }
 114 
 115     static void test0(FileTime mtime, FileTime atime, FileTime ctime,
 116                      TimeZone tz, byte[] extra) throws Throwable {
 117         System.out.printf("--------------------%nTesting: [%s]/[%s]/[%s]%n",
 118                           mtime, atime, ctime);
 119         TimeZone tz0 = TimeZone.getDefault();
 120         if (tz != null) {
 121             TimeZone.setDefault(tz);
 122         }
 123         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 124         ZipOutputStream zos = new ZipOutputStream(baos);
 125         ZipEntry ze = new ZipEntry("TestExtraTime.java");
 126         ze.setExtra(extra);
 127         ze.setLastModifiedTime(mtime);
 128         if (atime != null)
 129             ze.setLastAccessTime(atime);
 130         if (ctime != null)
 131             ze.setCreationTime(ctime);
 132         zos.putNextEntry(ze);
 133         zos.write(new byte[] { 1,2 ,3, 4});
 134 
 135         // append an extra entry to help check if the length and data
 136         // of the extra field are being correctly written (in previous
 137         // entry).
 138         if (extra != null) {
 139             ze = new ZipEntry("TestExtraEntry");
 140             zos.putNextEntry(ze);
 141         }
 142         zos.close();
 143         if (tz != null) {
 144             TimeZone.setDefault(tz0);
 145         }
 146         // ZipInputStream
 147         ZipInputStream zis = new ZipInputStream(
 148                                  new ByteArrayInputStream(baos.toByteArray()));
 149         ze = zis.getNextEntry();
 150         zis.close();
 151         check(mtime, atime, ctime, ze, extra);
 152 
 153         // ZipFile
 154         Path zpath = Paths.get(System.getProperty("test.dir", "."),
 155                                "TestExtraTime.zip");
 156         Path zparent = zpath.getParent();
 157         if (zparent != null && !Files.isWritable(zparent)) {
 158             System.err.format("zpath %s parent %s is not writable%n",
 159                 zpath, zparent);
 160         }
 161         if (Files.exists(zpath)) {
 162             System.err.format("zpath %s already exists%n", zpath);
 163             if (Files.isDirectory(zpath)) {
 164                 System.err.format("%n%s contents:%n", zpath);
 165                 Files.list(zpath).forEach(System.err::println);
 166             }
 167             FileOwnerAttributeView foav = Files.getFileAttributeView(zpath,
 168                 FileOwnerAttributeView.class);
 169             System.err.format("zpath %s owner: %s%n", zpath, foav.getOwner());
 170             System.err.format("zpath %s permissions:%n", zpath);
 171             Set<PosixFilePermission> perms =
 172                 Files.getPosixFilePermissions(zpath);
 173             perms.stream().forEach(System.err::println);
 174         }
 175         if (Files.isSymbolicLink(zpath)) {
 176             System.err.format("zpath %s is a symbolic link%n", zpath);
 177         }
 178         Files.copy(new ByteArrayInputStream(baos.toByteArray()), zpath);
 179         try (ZipFile zf = new ZipFile(zpath.toFile())) {
 180             ze = zf.getEntry("TestExtraTime.java");
 181             // ZipFile read entry from cen, which does not have a/ctime,
 182             // for now.
 183             check(mtime, null, null, ze, extra);
 184         } finally {
 185             Files.delete(zpath);
 186         }
 187     }
 188 
 189     static void check(FileTime mtime, FileTime atime, FileTime ctime,
 190                       ZipEntry ze, byte[] extra) {
 191         /*
 192         System.out.printf("    mtime [%tc]: [%tc]/[%tc]%n",
 193                           mtime.to(TimeUnit.MILLISECONDS),
 194                           ze.getTime(),
 195                           ze.getLastModifiedTime().to(TimeUnit.MILLISECONDS));
 196          */
 197         if (mtime != null &&
 198             mtime.to(TimeUnit.SECONDS) !=
 199             ze.getLastModifiedTime().to(TimeUnit.SECONDS)) {
 200             throw new RuntimeException("Timestamp: storing mtime failed!");
 201         }
 202         if (atime != null &&
 203             atime.to(TimeUnit.SECONDS) !=
 204             ze.getLastAccessTime().to(TimeUnit.SECONDS))
 205             throw new RuntimeException("Timestamp: storing atime failed!");
 206         if (ctime != null &&
 207             ctime.to(TimeUnit.SECONDS) !=
 208             ze.getCreationTime().to(TimeUnit.SECONDS))
 209             throw new RuntimeException("Timestamp: storing ctime failed!");
 210         if (extra != null) {
 211             // if extra data exists, the current implementation put it at
 212             // the end of the extra data array (implementation detail)
 213             byte[] extra1 = ze.getExtra();
 214             if (extra1 == null || extra1.length < extra.length ||
 215                 !Arrays.equals(Arrays.copyOfRange(extra1,
 216                                                   extra1.length - extra.length,
 217                                                   extra1.length),
 218                                extra)) {
 219                 throw new RuntimeException("Timestamp: storing extra field failed!");
 220             }
 221         }
 222     }
 223 
 224     static void testNullHandling() {
 225         ZipEntry ze = new ZipEntry("TestExtraTime.java");
 226         try {
 227             ze.setLastAccessTime(null);
 228             throw new RuntimeException("setLastAccessTime(null) should throw NPE");
 229         } catch (NullPointerException ignored) {
 230             // pass
 231         }
 232         try {
 233             ze.setCreationTime(null);
 234             throw new RuntimeException("setCreationTime(null) should throw NPE");
 235         } catch (NullPointerException ignored) {
 236             // pass
 237         }
 238         try {
 239             ze.setLastModifiedTime(null);
 240             throw new RuntimeException("setLastModifiedTime(null) should throw NPE");
 241         } catch (NullPointerException ignored) {
 242             // pass
 243         }
 244     }
 245 
 246     // verify that setting and getting any time is possible as per the intent
 247     // of 4759491
 248     static void testTimeConversions() {
 249         // Sample across the entire range
 250         long step = Long.MAX_VALUE / 100L;
 251         testTimeConversions(Long.MIN_VALUE, Long.MAX_VALUE - step, step);
 252 
 253         // Samples through the near future
 254         long currentTime = System.currentTimeMillis();
 255         testTimeConversions(currentTime, currentTime + 1_000_000, 10_000);
 256     }
 257 
 258     static void testTimeConversions(long from, long to, long step) {
 259         ZipEntry ze = new ZipEntry("TestExtraTime.java");
 260         for (long time = from; time <= to; time += step) {
 261             ze.setTime(time);
 262             FileTime lastModifiedTime = ze.getLastModifiedTime();
 263             if (lastModifiedTime.toMillis() != time) {
 264                 throw new RuntimeException("setTime should make getLastModifiedTime " +
 265                         "return the specified instant: " + time +
 266                         " got: " + lastModifiedTime.toMillis());
 267             }
 268             if (ze.getTime() != time) {
 269                 throw new RuntimeException("getTime after setTime, expected: " +
 270                         time + " got: " + ze.getTime());
 271             }
 272         }
 273     }
 274 
 275     static void check(ZipEntry ze, byte[] extra) {
 276         if (extra != null) {
 277             byte[] extra1 = ze.getExtra();
 278             if (extra1 == null || extra1.length < extra.length ||
 279                 !Arrays.equals(Arrays.copyOfRange(extra1,
 280                                                   extra1.length - extra.length,
 281                                                   extra1.length),
 282                                extra)) {
 283                 throw new RuntimeException("Timestamp: storing extra field failed!");
 284             }
 285         }
 286     }
 287 
 288     static void testTagOnlyHandling() throws Throwable {
 289         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 290         byte[] extra = new byte[] { 0x0a, 0, 4, 0, 0, 0, 0, 0 };
 291         try (ZipOutputStream zos = new ZipOutputStream(baos)) {
 292             ZipEntry ze = new ZipEntry("TestExtraTime.java");
 293             ze.setExtra(extra);
 294             zos.putNextEntry(ze);
 295             zos.write(new byte[] { 1,2 ,3, 4});
 296         }
 297         try (ZipInputStream zis = new ZipInputStream(
 298                  new ByteArrayInputStream(baos.toByteArray()))) {
 299             ZipEntry ze = zis.getNextEntry();
 300             check(ze, extra);
 301         }
 302         Path zpath = Paths.get(System.getProperty("test.dir", "."),
 303                                "TestExtraTime.zip");
 304         Files.copy(new ByteArrayInputStream(baos.toByteArray()), zpath);
 305         try (ZipFile zf = new ZipFile(zpath.toFile())) {
 306             ZipEntry ze = zf.getEntry("TestExtraTime.java");
 307             check(ze, extra);
 308         } finally {
 309             Files.delete(zpath);
 310         }
 311     }
 312 
 313     static void checkLastModifiedTimeDOS(FileTime mtime, ZipEntry ze) {
 314         FileTime lmt = ze.getLastModifiedTime();
 315         if ((lmt.to(TimeUnit.SECONDS) >>> 1) != (mtime.to(TimeUnit.SECONDS) >>> 1) ||
 316             lmt.to(TimeUnit.MILLISECONDS) != ze.getTime() ||
 317             lmt.to(TimeUnit.MILLISECONDS) % 1000 != 0) {
 318             throw new RuntimeException("Timestamp: storing mtime in dos format failed!");
 319         }
 320     }
 321 
 322     static void testNullMtime() throws Throwable {
 323         Instant now = Instant.now();
 324         FileTime ctime = FileTime.from(now);
 325         FileTime atime = FileTime.from(now.plusSeconds(7));
 326         FileTime mtime = FileTime.from(now.plusSeconds(13));
 327         System.out.printf("--------------------%nTesting: [%s]/[%s]/[%s]%n",
 328                           mtime, atime, ctime);
 329 
 330         ByteArrayOutputStream baos = new ByteArrayOutputStream();
 331         try (ZipOutputStream zos = new ZipOutputStream(baos)) {
 332             ZipEntry ze = new ZipEntry("TestExtraTime.java");
 333             ze.setCreationTime(ctime);
 334             ze.setLastAccessTime(atime);
 335             // ze.setLastModifiedTime(now);
 336             ze.setTime(mtime.toMillis());
 337             zos.putNextEntry(ze);
 338             zos.write(new byte[] { 1,2 ,3, 4});
 339         }
 340 
 341         try (ZipInputStream zis = new ZipInputStream(
 342                  new ByteArrayInputStream(baos.toByteArray()))) {
 343             ZipEntry ze = zis.getNextEntry();
 344             // check LOC
 345             check(null, atime, ctime, ze, null);
 346             checkLastModifiedTimeDOS(mtime, ze);
 347         }
 348 
 349         Path zpath = Paths.get(System.getProperty("test.dir", "."),
 350                                "TestExtraTime.zip");
 351         Files.copy(new ByteArrayInputStream(baos.toByteArray()), zpath);
 352         try (ZipFile zf = new ZipFile(zpath.toFile())) {
 353             ZipEntry ze = zf.getEntry("TestExtraTime.java");
 354             // check CEN
 355             checkLastModifiedTimeDOS(mtime, ze);
 356         } finally {
 357             Files.delete(zpath);
 358         }
 359     }
 360 }