| /* |
| * 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.apache.commons.compress.AbstractTestCase.getFile; |
| import static org.apache.commons.compress.AbstractTestCase.mkdir; |
| import static org.apache.commons.compress.AbstractTestCase.rmdir; |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| 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.io.InputStream; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.TimeZone; |
| import java.util.zip.GZIPInputStream; |
| |
| import org.apache.commons.compress.utils.CharsetNames; |
| import org.apache.commons.compress.utils.IOUtils; |
| import org.junit.Test; |
| |
| public class TarArchiveInputStreamTest { |
| |
| @Test |
| public void readSimplePaxHeader() throws Exception { |
| final InputStream is = new ByteArrayInputStream(new byte[1]); |
| final TarArchiveInputStream tais = new TarArchiveInputStream(is); |
| final Map<String, String> headers = tais |
| .parsePaxHeaders(new ByteArrayInputStream("30 atime=1321711775.972059463\n" |
| .getBytes(CharsetNames.UTF_8))); |
| assertEquals(1, headers.size()); |
| assertEquals("1321711775.972059463", headers.get("atime")); |
| tais.close(); |
| } |
| |
| @Test |
| public void secondEntryWinsWhenPaxHeaderContainsDuplicateKey() throws Exception { |
| final InputStream is = new ByteArrayInputStream(new byte[1]); |
| final TarArchiveInputStream tais = new TarArchiveInputStream(is); |
| final Map<String, String> headers = tais |
| .parsePaxHeaders(new ByteArrayInputStream("11 foo=bar\n11 foo=baz\n" |
| .getBytes(CharsetNames.UTF_8))); |
| assertEquals(1, headers.size()); |
| assertEquals("baz", headers.get("foo")); |
| tais.close(); |
| } |
| |
| @Test |
| public void paxHeaderEntryWithEmptyValueRemovesKey() throws Exception { |
| final InputStream is = new ByteArrayInputStream(new byte[1]); |
| final TarArchiveInputStream tais = new TarArchiveInputStream(is); |
| final Map<String, String> headers = tais |
| .parsePaxHeaders(new ByteArrayInputStream("11 foo=bar\n7 foo=\n" |
| .getBytes(CharsetNames.UTF_8))); |
| assertEquals(0, headers.size()); |
| tais.close(); |
| } |
| |
| @Test |
| public void readPaxHeaderWithEmbeddedNewline() throws Exception { |
| final InputStream is = new ByteArrayInputStream(new byte[1]); |
| final TarArchiveInputStream tais = new TarArchiveInputStream(is); |
| final Map<String, String> headers = tais |
| .parsePaxHeaders(new ByteArrayInputStream("28 comment=line1\nline2\nand3\n" |
| .getBytes(CharsetNames.UTF_8))); |
| assertEquals(1, headers.size()); |
| assertEquals("line1\nline2\nand3", headers.get("comment")); |
| tais.close(); |
| } |
| |
| @Test |
| public void readNonAsciiPaxHeader() throws Exception { |
| final String ae = "\u00e4"; |
| final String line = "11 path="+ ae + "\n"; |
| assertEquals(11, line.getBytes(CharsetNames.UTF_8).length); |
| final InputStream is = new ByteArrayInputStream(new byte[1]); |
| final TarArchiveInputStream tais = new TarArchiveInputStream(is); |
| final Map<String, String> headers = tais |
| .parsePaxHeaders(new ByteArrayInputStream(line.getBytes(CharsetNames.UTF_8))); |
| assertEquals(1, headers.size()); |
| assertEquals(ae, headers.get("path")); |
| tais.close(); |
| } |
| |
| @Test |
| public void workaroundForBrokenTimeHeader() throws Exception { |
| TarArchiveInputStream in = null; |
| try { |
| in = new TarArchiveInputStream(new FileInputStream(getFile("simple-aix-native-tar.tar"))); |
| TarArchiveEntry tae = in.getNextTarEntry(); |
| tae = in.getNextTarEntry(); |
| assertEquals("sample/link-to-txt-file.lnk", tae.getName()); |
| assertEquals(new Date(0), tae.getLastModifiedDate()); |
| assertTrue(tae.isSymbolicLink()); |
| assertTrue(tae.isCheckSumOK()); |
| } finally { |
| if (in != null) { |
| in.close(); |
| } |
| } |
| } |
| |
| @Test |
| public void datePriorToEpochInGNUFormat() throws Exception { |
| datePriorToEpoch("preepoch-star.tar"); |
| } |
| |
| |
| @Test |
| public void datePriorToEpochInPAXFormat() throws Exception { |
| datePriorToEpoch("preepoch-posix.tar"); |
| } |
| |
| private void datePriorToEpoch(final String archive) throws Exception { |
| TarArchiveInputStream in = null; |
| try { |
| in = new TarArchiveInputStream(new FileInputStream(getFile(archive))); |
| final TarArchiveEntry tae = in.getNextTarEntry(); |
| assertEquals("foo", tae.getName()); |
| final Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT")); |
| cal.set(1969, 11, 31, 23, 59, 59); |
| cal.set(Calendar.MILLISECOND, 0); |
| assertEquals(cal.getTime(), tae.getLastModifiedDate()); |
| assertTrue(tae.isCheckSumOK()); |
| } finally { |
| if (in != null) { |
| in.close(); |
| } |
| } |
| } |
| |
| @Test |
| public void testCompress197() throws Exception { |
| try (TarArchiveInputStream tar = getTestStream("/COMPRESS-197.tar")) { |
| TarArchiveEntry entry = tar.getNextTarEntry(); |
| while (entry != null) { |
| entry = tar.getNextTarEntry(); |
| } |
| } catch (final IOException e) { |
| fail("COMPRESS-197: " + e.getMessage()); |
| } |
| } |
| |
| @Test |
| public void shouldUseSpecifiedEncodingWhenReadingGNULongNames() |
| throws Exception { |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final String encoding = CharsetNames.UTF_16; |
| final String name = "1234567890123456789012345678901234567890123456789" |
| + "01234567890123456789012345678901234567890123456789" |
| + "01234567890\u00e4"; |
| final TarArchiveOutputStream tos = |
| new TarArchiveOutputStream(bos, encoding); |
| tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU); |
| TarArchiveEntry t = new TarArchiveEntry(name); |
| t.setSize(1); |
| tos.putArchiveEntry(t); |
| tos.write(30); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final ByteArrayInputStream bis = new ByteArrayInputStream(data); |
| final TarArchiveInputStream tis = |
| new TarArchiveInputStream(bis, encoding); |
| t = tis.getNextTarEntry(); |
| assertEquals(name, t.getName()); |
| tis.close(); |
| } |
| |
| @Test |
| public void shouldConsumeArchiveCompletely() throws Exception { |
| final InputStream is = TarArchiveInputStreamTest.class |
| .getResourceAsStream("/archive_with_trailer.tar"); |
| final TarArchiveInputStream tar = new TarArchiveInputStream(is); |
| while (tar.getNextTarEntry() != null) { |
| // just consume the archive |
| } |
| final byte[] expected = new byte[] { |
| 'H', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!', '\n' |
| }; |
| final byte[] actual = new byte[expected.length]; |
| is.read(actual); |
| assertArrayEquals(expected, actual); |
| tar.close(); |
| } |
| |
| @Test |
| public void readsArchiveCompletely_COMPRESS245() throws Exception { |
| try (InputStream is = TarArchiveInputStreamTest.class |
| .getResourceAsStream("/COMPRESS-245.tar.gz")) { |
| final InputStream gin = new GZIPInputStream(is); |
| final TarArchiveInputStream tar = new TarArchiveInputStream(gin); |
| int count = 0; |
| TarArchiveEntry entry = tar.getNextTarEntry(); |
| while (entry != null) { |
| count++; |
| entry = tar.getNextTarEntry(); |
| } |
| assertEquals(31, count); |
| tar.close(); |
| } catch (final IOException e) { |
| fail("COMPRESS-245: " + e.getMessage()); |
| } |
| } |
| |
| @Test(expected = IOException.class) |
| public void shouldThrowAnExceptionOnTruncatedEntries() throws Exception { |
| final File dir = mkdir("COMPRESS-279"); |
| final TarArchiveInputStream is = getTestStream("/COMPRESS-279.tar"); |
| FileOutputStream out = null; |
| try { |
| TarArchiveEntry entry = is.getNextTarEntry(); |
| int count = 0; |
| while (entry != null) { |
| out = new FileOutputStream(new File(dir, String.valueOf(count))); |
| IOUtils.copy(is, out); |
| out.close(); |
| out = null; |
| count++; |
| entry = is.getNextTarEntry(); |
| } |
| } finally { |
| is.close(); |
| if (out != null) { |
| out.close(); |
| } |
| rmdir(dir); |
| } |
| } |
| |
| @Test |
| public void shouldReadBigGid() throws Exception { |
| final ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| final TarArchiveOutputStream tos = new TarArchiveOutputStream(bos); |
| tos.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX); |
| TarArchiveEntry t = new TarArchiveEntry("name"); |
| t.setGroupId(4294967294l); |
| t.setSize(1); |
| tos.putArchiveEntry(t); |
| tos.write(30); |
| tos.closeArchiveEntry(); |
| tos.close(); |
| final byte[] data = bos.toByteArray(); |
| final ByteArrayInputStream bis = new ByteArrayInputStream(data); |
| final TarArchiveInputStream tis = |
| new TarArchiveInputStream(bis); |
| t = tis.getNextTarEntry(); |
| assertEquals(4294967294l, t.getLongGroupId()); |
| tis.close(); |
| } |
| |
| /** |
| * @link "https://issues.apache.org/jira/browse/COMPRESS-324" |
| */ |
| @Test |
| public void shouldReadGNULongNameEntryWithWrongName() throws Exception { |
| try (TarArchiveInputStream is = getTestStream("/COMPRESS-324.tar")) { |
| final TarArchiveEntry entry = is.getNextTarEntry(); |
| assertEquals("1234567890123456789012345678901234567890123456789012345678901234567890" |
| + "1234567890123456789012345678901234567890123456789012345678901234567890" |
| + "1234567890123456789012345678901234567890123456789012345678901234567890" |
| + "1234567890123456789012345678901234567890.txt", |
| entry.getName()); |
| } |
| } |
| |
| /** |
| * @link "https://issues.apache.org/jira/browse/COMPRESS-355" |
| */ |
| @Test |
| public void survivesBlankLinesInPaxHeader() throws Exception { |
| try (TarArchiveInputStream is = getTestStream("/COMPRESS-355.tar")) { |
| final TarArchiveEntry entry = is.getNextTarEntry(); |
| assertEquals("package/package.json", entry.getName()); |
| assertNull(is.getNextTarEntry()); |
| } |
| } |
| |
| /** |
| * @link "https://issues.apache.org/jira/browse/COMPRESS-356" |
| */ |
| @Test |
| public void survivesPaxHeaderWithNameEndingInSlash() throws Exception { |
| try (TarArchiveInputStream is = getTestStream("/COMPRESS-356.tar")) { |
| final TarArchiveEntry entry = is.getNextTarEntry(); |
| assertEquals("package/package.json", entry.getName()); |
| assertNull(is.getNextTarEntry()); |
| } |
| } |
| |
| private TarArchiveInputStream getTestStream(final String name) { |
| return new TarArchiveInputStream( |
| TarArchiveInputStreamTest.class.getResourceAsStream(name)); |
| } |
| |
| } |