| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.commons.compress.archivers.tar; |
| |
| import static org.junit.Assert.*; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.security.MessageDigest; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.TimeZone; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.archivers.ArchiveEntry; |
| import org.apache.commons.compress.archivers.ArchiveOutputStream; |
| import org.apache.commons.compress.archivers.ArchiveStreamFactory; |
| import org.apache.commons.compress.utils.CharsetNames; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TarArchiveOutputStreamTest extends AbstractTestCase { |
| |
| @Test |
| public void testCount() throws Exception { |
| final File f = File.createTempFile("commons-compress-tarcount", ".tar"); |
| f.deleteOnExit(); |
| final FileOutputStream fos = new FileOutputStream(f); |
| |
| final ArchiveOutputStream tarOut = new ArchiveStreamFactory() |
| .createArchiveOutputStream(ArchiveStreamFactory.TAR, fos); |
| |
| final File file1 = getFile("test1.xml"); |
| final TarArchiveEntry sEntry = new TarArchiveEntry(file1, file1.getName()); |
| tarOut.putArchiveEntry(sEntry); |
| |
| final FileInputStream in = new FileInputStream(file1); |
| final byte[] buf = new byte[8192]; |
| |
| int read = 0; |
| while ((read = in.read(buf)) > 0) { |
| tarOut.write(buf, 0, read); |
| } |
| |
| in.close(); |
| tarOut.closeArchiveEntry(); |
| tarOut.close(); |
| |
| assertEquals(f.length(), tarOut.getBytesWritten()); |
| } |
| |
| @Test |
| public void testMaxFileSizeError() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(077777777777L); |
| TarArchiveOutputStream tos = |
| new TarArchiveOutputStream(new ByteArrayOutputStream()); |
| tos.putArchiveEntry(t); |
| t.setSize(0100000000000L); |
| tos = new TarArchiveOutputStream(new ByteArrayOutputStream()); |
| try { |
| tos.putArchiveEntry(t); |
| fail("Should have generated RuntimeException"); |
| } catch (final RuntimeException expected) { |
| } |
| } |
| |
| @Test |
| public void testBigNumberStarMode() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(0100000000000L); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_STAR); |
| tos.putArchiveEntry(t); |
| // make sure header is written to byte array |
| tos.write(new byte[10 * 1024]); |
| final byte[] data = bos.toByteArray(); |
| assertEquals(0x80, |
| data[TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN] & 0x80); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(0100000000000L, e.getSize()); |
| tin.close(); |
| // generates IOE because of unclosed entries. |
| // However we don't really want to create such large entries. |
| closeQuietly(tos); |
| } |
| |
| @Test |
| public void testBigNumberPosixMode() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(0100000000000L); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX); |
| tos.putArchiveEntry(t); |
| // make sure header is written to byte array |
| tos.write(new byte[10 * 1024]); |
| final byte[] data = bos.toByteArray(); |
| assertEquals("00000000000 ", |
| new String(data, |
| 1024 + TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN, 12, |
| CharsetNames.UTF_8)); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(0100000000000L, e.getSize()); |
| tin.close(); |
| // generates IOE because of unclosed entries. |
| // However we don't really want to create such large entries. |
| closeQuietly(tos); |
| } |
| |
| @Test |
| public void testWriteSimplePaxHeaders() throws Exception { |
| final Map<String, String> m = new HashMap<>(); |
| m.put("a", "b"); |
| final byte[] data = writePaxHeader(m); |
| assertEquals("00000000006 ", |
| new String(data, TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN, 12, |
| CharsetNames.UTF_8)); |
| assertEquals("6 a=b\n", new String(data, 512, 6, CharsetNames.UTF_8)); |
| } |
| |
| @Test |
| public void testPaxHeadersWithLength99() throws Exception { |
| final Map<String, String> m = new HashMap<>(); |
| m.put("a", |
| "0123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "012"); |
| final byte[] data = writePaxHeader(m); |
| assertEquals("00000000143 ", |
| new String(data, TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN, 12, |
| CharsetNames.UTF_8)); |
| assertEquals("99 a=0123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "012\n", new String(data, 512, 99, CharsetNames.UTF_8)); |
| } |
| |
| @Test |
| public void testPaxHeadersWithLength101() throws Exception { |
| final Map<String, String> m = new HashMap<>(); |
| m.put("a", |
| "0123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "0123"); |
| final byte[] data = writePaxHeader(m); |
| assertEquals("00000000145 ", |
| new String(data, TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN, 12, |
| CharsetNames.UTF_8)); |
| assertEquals("101 a=0123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "0123\n", new String(data, 512, 101, CharsetNames.UTF_8)); |
| } |
| |
| private byte[] writePaxHeader(final Map<String, String> m) throws Exception { |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.writePaxHeaders(new TarArchiveEntry("x"), "foo", m); |
| |
| // add a dummy entry so data gets written |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(10 * 1024); |
| tos.putArchiveEntry(t); |
| tos.write(new byte[10 * 1024]); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| |
| return bos.toByteArray(); |
| } |
| |
| @Test |
| public void testWriteLongFileNamePosixMode() throws Exception { |
| final String n = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789"; |
| final TarArchiveEntry t = |
| new TarArchiveEntry(n); |
| t.setSize(10 * 1024); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX); |
| tos.putArchiveEntry(t); |
| tos.write(new byte[10 * 1024]); |
| tos.closeArchiveEntry(); |
| final byte[] data = bos.toByteArray(); |
| assertEquals("160 path=" + n + "\n", |
| new String(data, 512, 160, CharsetNames.UTF_8)); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| tin.close(); |
| tos.close(); |
| } |
| |
| @Test |
| public void testOldEntryStarMode() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(Integer.MAX_VALUE); |
| t.setModTime(-1000); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_STAR); |
| tos.putArchiveEntry(t); |
| // make sure header is written to byte array |
| tos.write(new byte[10 * 1024]); |
| final byte[] data = bos.toByteArray(); |
| assertEquals((byte) 0xff, |
| data[TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN |
| + TarConstants.SIZELEN]); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| final Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT")); |
| cal.set(1969, 11, 31, 23, 59, 59); |
| cal.set(Calendar.MILLISECOND, 0); |
| assertEquals(cal.getTime(), e.getLastModifiedDate()); |
| tin.close(); |
| // generates IOE because of unclosed entries. |
| // However we don't really want to create such large entries. |
| closeQuietly(tos); |
| } |
| |
| @Test |
| public void testOldEntryPosixMode() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(Integer.MAX_VALUE); |
| t.setModTime(-1000); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX); |
| tos.putArchiveEntry(t); |
| // make sure header is written to byte array |
| tos.write(new byte[10 * 1024]); |
| final byte[] data = bos.toByteArray(); |
| assertEquals("00000000000 ", |
| new String(data, |
| 1024 + TarConstants.NAMELEN |
| + TarConstants.MODELEN |
| + TarConstants.UIDLEN |
| + TarConstants.GIDLEN |
| + TarConstants.SIZELEN, 12, |
| CharsetNames.UTF_8)); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| final Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT")); |
| cal.set(1969, 11, 31, 23, 59, 59); |
| cal.set(Calendar.MILLISECOND, 0); |
| assertEquals(cal.getTime(), e.getLastModifiedDate()); |
| tin.close(); |
| // generates IOE because of unclosed entries. |
| // However we don't really want to create such large entries. |
| closeQuietly(tos); |
| } |
| |
| @Test |
| public void testOldEntryError() throws Exception { |
| final TarArchiveEntry t = new TarArchiveEntry("foo"); |
| t.setSize(Integer.MAX_VALUE); |
| t.setModTime(-1000); |
| final TarArchiveOutputStream tos = |
| new TarArchiveOutputStream(new ByteArrayOutputStream()); |
| try { |
| tos.putArchiveEntry(t); |
| fail("Should have generated RuntimeException"); |
| } catch (final RuntimeException expected) { |
| } |
| tos.close(); |
| } |
| |
| @Test |
| public void testWriteNonAsciiPathNamePaxHeader() throws Exception { |
| final String n = "\u00e4"; |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| t.setSize(10 * 1024); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setAddPaxHeadersForNonAsciiNames(true); |
| tos.putArchiveEntry(t); |
| tos.write(new byte[10 * 1024]); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| assertEquals("11 path=" + n + "\n", |
| new String(data, 512, 11, CharsetNames.UTF_8)); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| tin.close(); |
| } |
| |
| @Test |
| public void testWriteNonAsciiLinkPathNamePaxHeader() throws Exception { |
| final String n = "\u00e4"; |
| final TarArchiveEntry t = new TarArchiveEntry("a", TarConstants.LF_LINK); |
| t.setSize(10 * 1024); |
| t.setLinkName(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setAddPaxHeadersForNonAsciiNames(true); |
| tos.putArchiveEntry(t); |
| tos.write(new byte[10 * 1024]); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| assertEquals("15 linkpath=" + n + "\n", |
| new String(data, 512, 15, CharsetNames.UTF_8)); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getLinkName()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-200" |
| */ |
| @Test |
| public void testRoundtripWith67CharFileNameGnu() throws Exception { |
| testRoundtripWith67CharFileName(TarArchiveOutputStream.LONGFILE_GNU); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-200" |
| */ |
| @Test |
| public void testRoundtripWith67CharFileNamePosix() throws Exception { |
| testRoundtripWith67CharFileName(TarArchiveOutputStream.LONGFILE_POSIX); |
| } |
| |
| private void testRoundtripWith67CharFileName(final int mode) throws Exception { |
| final String n = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" |
| + "AAAAAAA"; |
| assertEquals(67, n.length()); |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| t.setSize(10 * 1024); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(mode); |
| tos.putArchiveEntry(t); |
| tos.write(new byte[10 * 1024]); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| tin.close(); |
| } |
| |
| @Test |
| public void testWriteLongDirectoryNameErrorMode() throws Exception { |
| final String n = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/"; |
| |
| try { |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_ERROR); |
| tos.putArchiveEntry(t); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| |
| fail("Truncated name didn't throw an exception"); |
| } catch (final RuntimeException e) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void testWriteLongDirectoryNameTruncateMode() throws Exception { |
| final String n = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/"; |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_TRUNCATE); |
| tos.putArchiveEntry(t); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals("Entry name", n.substring(0, TarConstants.NAMELEN) + "/", e.getName()); |
| assertTrue("The entry is not a directory", e.isDirectory()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-203" |
| */ |
| @Test |
| public void testWriteLongDirectoryNameGnuMode() throws Exception { |
| testWriteLongDirectoryName(TarArchiveOutputStream.LONGFILE_GNU); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-203" |
| */ |
| @Test |
| public void testWriteLongDirectoryNamePosixMode() throws Exception { |
| testWriteLongDirectoryName(TarArchiveOutputStream.LONGFILE_POSIX); |
| } |
| |
| private void testWriteLongDirectoryName(final int mode) throws Exception { |
| final String n = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/"; |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(mode); |
| tos.putArchiveEntry(t); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| assertTrue(e.isDirectory()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-203" |
| */ |
| @Test |
| public void testWriteNonAsciiDirectoryNamePosixMode() throws Exception { |
| final String n = "f\u00f6\u00f6/"; |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setAddPaxHeadersForNonAsciiNames(true); |
| tos.putArchiveEntry(t); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| assertTrue(e.isDirectory()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-265" |
| */ |
| @Test |
| public void testWriteNonAsciiNameWithUnfortunateNamePosixMode() throws Exception { |
| final String n = "f\u00f6\u00f6\u00dc"; |
| final TarArchiveEntry t = new TarArchiveEntry(n); |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setAddPaxHeadersForNonAsciiNames(true); |
| tos.putArchiveEntry(t); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = |
| new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals(n, e.getName()); |
| assertFalse(e.isDirectory()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-237" |
| */ |
| @Test |
| public void testWriteLongLinkNameErrorMode() throws Exception { |
| final String linkname = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/test"; |
| final TarArchiveEntry entry = new TarArchiveEntry("test", TarConstants.LF_SYMLINK); |
| entry.setLinkName(linkname); |
| |
| try { |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_ERROR); |
| tos.putArchiveEntry(entry); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| |
| fail("Truncated link name didn't throw an exception"); |
| } catch (final RuntimeException e) { |
| // expected |
| } |
| } |
| |
| @Test |
| public void testWriteLongLinkNameTruncateMode() throws Exception { |
| final String linkname = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/"; |
| final TarArchiveEntry entry = new TarArchiveEntry("test" , TarConstants.LF_SYMLINK); |
| entry.setLinkName(linkname); |
| |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_TRUNCATE); |
| tos.putArchiveEntry(entry); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals("Link name", linkname.substring(0, TarConstants.NAMELEN), e.getLinkName()); |
| tin.close(); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-237" |
| */ |
| @Test |
| public void testWriteLongLinkNameGnuMode() throws Exception { |
| testWriteLongLinkName(TarArchiveOutputStream.LONGFILE_GNU); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-237" |
| */ |
| @Test |
| public void testWriteLongLinkNamePosixMode() throws Exception { |
| testWriteLongLinkName(TarArchiveOutputStream.LONGFILE_POSIX); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-237" |
| */ |
| private void testWriteLongLinkName(final int mode) throws Exception { |
| final String linkname = "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789/test"; |
| final TarArchiveEntry entry = new TarArchiveEntry("test", TarConstants.LF_SYMLINK); |
| entry.setLinkName(linkname); |
| |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos, "ASCII"); |
| tos.setLongFileMode(mode); |
| tos.putArchiveEntry(entry); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| |
| final byte[] data = bos.toByteArray(); |
| final TarArchiveInputStream tin = new TarArchiveInputStream(new ByteArrayInputStream(data)); |
| final TarArchiveEntry e = tin.getNextTarEntry(); |
| assertEquals("Entry name", "test", e.getName()); |
| assertEquals("Link name", linkname, e.getLinkName()); |
| assertTrue("The entry is not a symbolic link", e.isSymbolicLink()); |
| tin.close(); |
| } |
| |
| @Test |
| public void testPadsOutputToFullBlockLength() throws Exception { |
| final File f = File.createTempFile("commons-compress-padding", ".tar"); |
| f.deleteOnExit(); |
| final FileOutputStream fos = new FileOutputStream(f); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(fos); |
| final File file1 = getFile("test1.xml"); |
| final TarArchiveEntry sEntry = new TarArchiveEntry(file1, file1.getName()); |
| tos.putArchiveEntry(sEntry); |
| final FileInputStream in = new FileInputStream(file1); |
| IOUtils.copy(in, tos); |
| in.close(); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| // test1.xml is small enough to fit into the default block size |
| assertEquals(TarConstants.DEFAULT_BLKSIZE, f.length()); |
| } |
| |
| /** |
| * When using long file names the longLinkEntry included the |
| * current timestamp as the Entry modification date. This was |
| * never exposed to the client but it caused identical archives to |
| * have different MD5 hashes. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testLongNameMd5Hash() throws Exception { |
| final String longFileName = "a/considerably/longer/file/name/which/forces/use/of/the/long/link/header/which/appears/to/always/use/the/current/time/as/modification/date"; |
| final String fname = longFileName; |
| final Date modificationDate = new Date(); |
| |
| final byte[] archive1 = createTarArchiveContainingOneDirectory(fname, modificationDate); |
| final byte[] digest1 = MessageDigest.getInstance("MD5").digest(archive1); |
| |
| // let a second elapse otherwise the modification dates will be equal |
| Thread.sleep(1000L); |
| |
| // now recreate exactly the same tar file |
| final byte[] archive2 = createTarArchiveContainingOneDirectory(fname, modificationDate); |
| // and I would expect the MD5 hash to be the same, but for long names it isn't |
| final byte[] digest2 = MessageDigest.getInstance("MD5").digest(archive2); |
| |
| Assert.assertArrayEquals(digest1, digest2); |
| |
| // do I still have the correct modification date? |
| // let a second elapse so we don't get the current time |
| Thread.sleep(1000); |
| final TarArchiveInputStream tarIn = new TarArchiveInputStream(new ByteArrayInputStream(archive2)); |
| final ArchiveEntry nextEntry = tarIn.getNextEntry(); |
| assertEquals(longFileName, nextEntry.getName()); |
| // tar archive stores modification time to second granularity only (floored) |
| assertEquals(modificationDate.getTime() / 1000, nextEntry.getLastModifiedDate().getTime() / 1000); |
| tarIn.close(); |
| } |
| |
| private static byte[] createTarArchiveContainingOneDirectory(final String fname, final Date modificationDate) throws IOException { |
| final ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tarOut = new TarArchiveOutputStream(baos, 1024); |
| tarOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU); |
| final TarArchiveEntry tarEntry = new TarArchiveEntry("d"); |
| tarEntry.setModTime(modificationDate); |
| tarEntry.setMode(TarArchiveEntry.DEFAULT_DIR_MODE); |
| tarEntry.setModTime(modificationDate.getTime()); |
| tarEntry.setName(fname); |
| tarOut.putArchiveEntry(tarEntry); |
| tarOut.closeArchiveEntry(); |
| tarOut.close(); |
| |
| return baos.toByteArray(); |
| } |
| |
| } |
