| /* |
| * 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.zip; |
| |
| import static org.apache.commons.compress.AbstractTestCase.getFile; |
| import static org.junit.Assert.*; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipException; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * JUnit testcases for org.apache.commons.compress.archivers.zip.ZipEntry. |
| * |
| */ |
| public class ZipArchiveEntryTest { |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| /** |
| * test handling of extra fields |
| */ |
| @Test |
| public void testExtraFields() { |
| final AsiExtraField a = new AsiExtraField(); |
| a.setDirectory(true); |
| a.setMode(0755); |
| final UnrecognizedExtraField u = new UnrecognizedExtraField(); |
| u.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u.setLocalFileDataData(new byte[0]); |
| |
| final ZipArchiveEntry ze = new ZipArchiveEntry("test/"); |
| ze.setExtraFields(new ZipExtraField[] {a, u}); |
| final byte[] data1 = ze.getExtra(); |
| ZipExtraField[] result = ze.getExtraFields(); |
| assertEquals("first pass", 2, result.length); |
| assertSame(a, result[0]); |
| assertSame(u, result[1]); |
| |
| final UnrecognizedExtraField u2 = new UnrecognizedExtraField(); |
| u2.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u2.setLocalFileDataData(new byte[] {1}); |
| |
| ze.addExtraField(u2); |
| final byte[] data2 = ze.getExtra(); |
| result = ze.getExtraFields(); |
| assertEquals("second pass", 2, result.length); |
| assertSame(a, result[0]); |
| assertSame(u2, result[1]); |
| assertEquals("length second pass", data1.length+1, data2.length); |
| |
| final UnrecognizedExtraField u3 = new UnrecognizedExtraField(); |
| u3.setHeaderId(new ZipShort(2)); |
| u3.setLocalFileDataData(new byte[] {1}); |
| ze.addExtraField(u3); |
| result = ze.getExtraFields(); |
| assertEquals("third pass", 3, result.length); |
| |
| ze.removeExtraField(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| final byte[] data3 = ze.getExtra(); |
| result = ze.getExtraFields(); |
| assertEquals("fourth pass", 2, result.length); |
| assertSame(a, result[0]); |
| assertSame(u3, result[1]); |
| assertEquals("length fourth pass", data2.length, data3.length); |
| |
| try { |
| ze.removeExtraField(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| fail("should be no such element"); |
| } catch (final java.util.NoSuchElementException nse) { |
| } |
| } |
| |
| /** |
| * test handling of extra fields via central directory |
| */ |
| @Test |
| public void testExtraFieldMerging() { |
| final AsiExtraField a = new AsiExtraField(); |
| a.setDirectory(true); |
| a.setMode(0755); |
| final UnrecognizedExtraField u = new UnrecognizedExtraField(); |
| u.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u.setLocalFileDataData(new byte[0]); |
| |
| final ZipArchiveEntry ze = new ZipArchiveEntry("test/"); |
| ze.setExtraFields(new ZipExtraField[] {a, u}); |
| |
| // merge |
| // Header-ID 1 + length 1 + one byte of data |
| final byte[] b = ExtraFieldUtilsTest.UNRECOGNIZED_HEADER.getBytes(); |
| ze.setCentralDirectoryExtra(new byte[] {b[0], b[1], 1, 0, 127}); |
| |
| ZipExtraField[] result = ze.getExtraFields(); |
| assertEquals("first pass", 2, result.length); |
| assertSame(a, result[0]); |
| assertEquals(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER, |
| result[1].getHeaderId()); |
| assertEquals(new ZipShort(0), result[1].getLocalFileDataLength()); |
| assertEquals(new ZipShort(1), result[1].getCentralDirectoryLength()); |
| |
| // add new |
| // Header-ID 2 + length 0 |
| ze.setCentralDirectoryExtra(new byte[] {2, 0, 0, 0}); |
| |
| result = ze.getExtraFields(); |
| assertEquals("second pass", 3, result.length); |
| |
| // merge |
| // Header-ID 2 + length 1 + one byte of data |
| ze.setExtra(new byte[] {2, 0, 1, 0, 127}); |
| |
| result = ze.getExtraFields(); |
| assertEquals("third pass", 3, result.length); |
| assertSame(a, result[0]); |
| assertEquals(new ZipShort(2), result[2].getHeaderId()); |
| assertEquals(new ZipShort(1), result[2].getLocalFileDataLength()); |
| assertEquals(new ZipShort(0), result[2].getCentralDirectoryLength()); |
| } |
| |
| /** |
| * test handling of extra fields |
| */ |
| @Test |
| public void testAddAsFirstExtraField() { |
| final AsiExtraField a = new AsiExtraField(); |
| a.setDirectory(true); |
| a.setMode(0755); |
| final UnrecognizedExtraField u = new UnrecognizedExtraField(); |
| u.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u.setLocalFileDataData(new byte[0]); |
| |
| final ZipArchiveEntry ze = new ZipArchiveEntry("test/"); |
| ze.setExtraFields(new ZipExtraField[] {a, u}); |
| final byte[] data1 = ze.getExtra(); |
| |
| final UnrecognizedExtraField u2 = new UnrecognizedExtraField(); |
| u2.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u2.setLocalFileDataData(new byte[] {1}); |
| |
| ze.addAsFirstExtraField(u2); |
| final byte[] data2 = ze.getExtra(); |
| ZipExtraField[] result = ze.getExtraFields(); |
| assertEquals("second pass", 2, result.length); |
| assertSame(u2, result[0]); |
| assertSame(a, result[1]); |
| assertEquals("length second pass", data1.length + 1, data2.length); |
| |
| final UnrecognizedExtraField u3 = new UnrecognizedExtraField(); |
| u3.setHeaderId(new ZipShort(2)); |
| u3.setLocalFileDataData(new byte[] {1}); |
| ze.addAsFirstExtraField(u3); |
| result = ze.getExtraFields(); |
| assertEquals("third pass", 3, result.length); |
| assertSame(u3, result[0]); |
| assertSame(u2, result[1]); |
| assertSame(a, result[2]); |
| } |
| |
| @Test |
| public void testUnixMode() { |
| ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| assertEquals(0, ze.getPlatform()); |
| ze.setUnixMode(0755); |
| assertEquals(3, ze.getPlatform()); |
| assertEquals(0755, |
| (ze.getExternalAttributes() >> 16) & 0xFFFF); |
| assertEquals(0, ze.getExternalAttributes() & 0xFFFF); |
| |
| ze.setUnixMode(0444); |
| assertEquals(3, ze.getPlatform()); |
| assertEquals(0444, |
| (ze.getExternalAttributes() >> 16) & 0xFFFF); |
| assertEquals(1, ze.getExternalAttributes() & 0xFFFF); |
| |
| ze = new ZipArchiveEntry("foo/"); |
| assertEquals(0, ze.getPlatform()); |
| ze.setUnixMode(0777); |
| assertEquals(3, ze.getPlatform()); |
| assertEquals(0777, |
| (ze.getExternalAttributes() >> 16) & 0xFFFF); |
| assertEquals(0x10, ze.getExternalAttributes() & 0xFFFF); |
| |
| ze.setUnixMode(0577); |
| assertEquals(3, ze.getPlatform()); |
| assertEquals(0577, |
| (ze.getExternalAttributes() >> 16) & 0xFFFF); |
| assertEquals(0x11, ze.getExternalAttributes() & 0xFFFF); |
| } |
| |
| /** |
| * Test case for |
| * <a href="https://issues.apache.org/jira/browse/COMPRESS-93" |
| * >COMPRESS-93</a>. |
| */ |
| @Test |
| public void testCompressionMethod() throws Exception { |
| final ZipArchiveOutputStream zos = |
| new ZipArchiveOutputStream(new ByteArrayOutputStream()); |
| final ZipArchiveEntry entry = new ZipArchiveEntry("foo"); |
| assertEquals(-1, entry.getMethod()); |
| assertFalse(zos.canWriteEntryData(entry)); |
| |
| entry.setMethod(ZipEntry.STORED); |
| assertEquals(ZipEntry.STORED, entry.getMethod()); |
| assertTrue(zos.canWriteEntryData(entry)); |
| |
| entry.setMethod(ZipEntry.DEFLATED); |
| assertEquals(ZipEntry.DEFLATED, entry.getMethod()); |
| assertTrue(zos.canWriteEntryData(entry)); |
| |
| // Test the unsupported "imploded" compression method (6) |
| entry.setMethod(6); |
| assertEquals(6, entry.getMethod()); |
| assertFalse(zos.canWriteEntryData(entry)); |
| zos.close(); |
| } |
| |
| /** |
| * Test case for |
| * <a href="https://issues.apache.org/jira/browse/COMPRESS-94" |
| * >COMPRESS-94</a>. |
| */ |
| @Test |
| public void testNotEquals() { |
| final ZipArchiveEntry entry1 = new ZipArchiveEntry("foo"); |
| final ZipArchiveEntry entry2 = new ZipArchiveEntry("bar"); |
| assertFalse(entry1.equals(entry2)); |
| } |
| |
| /** |
| * Tests comment's influence on equals comparisons. |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-187" |
| */ |
| @Test |
| public void testNullCommentEqualsEmptyComment() { |
| final ZipArchiveEntry entry1 = new ZipArchiveEntry("foo"); |
| final ZipArchiveEntry entry2 = new ZipArchiveEntry("foo"); |
| final ZipArchiveEntry entry3 = new ZipArchiveEntry("foo"); |
| entry1.setComment(null); |
| entry2.setComment(""); |
| entry3.setComment("bar"); |
| assertEquals(entry1, entry2); |
| assertFalse(entry1.equals(entry3)); |
| assertFalse(entry2.equals(entry3)); |
| } |
| |
| @Test |
| public void testCopyConstructor() throws Exception { |
| final ZipArchiveEntry archiveEntry = new ZipArchiveEntry("fred"); |
| archiveEntry.setUnixMode(0664); |
| archiveEntry.setMethod(ZipEntry.DEFLATED); |
| archiveEntry.getGeneralPurposeBit().useStrongEncryption(true); |
| final ZipArchiveEntry copy = new ZipArchiveEntry(archiveEntry); |
| assertEquals(archiveEntry, copy); |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-379" |
| */ |
| @Test |
| public void isUnixSymlinkIsFalseIfMoreThanOneFlagIsSet() throws Exception { |
| try (ZipFile zf = new ZipFile(getFile("COMPRESS-379.jar"))) { |
| final ZipArchiveEntry ze = zf.getEntry("META-INF/maven/"); |
| assertFalse(ze.isUnixSymlink()); |
| } |
| } |
| |
| @Test |
| public void testIsUnixSymlink() { |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setUnixMode(UnixStat.LINK_FLAG); |
| assertTrue(ze.isUnixSymlink()); |
| ze.setUnixMode(UnixStat.LINK_FLAG | UnixStat.DIR_FLAG); |
| assertFalse(ze.isUnixSymlink()); |
| } |
| |
| @Test |
| public void reparsingUnicodeExtraWithUnsupportedversionThrowsInStrictMode() |
| throws Exception { |
| try (ZipFile zf = new ZipFile(getFile("COMPRESS-479.zip"))) { |
| final ZipArchiveEntry ze = zf.getEntry("%U20AC_for_Dollar.txt"); |
| thrown.expect(ZipException.class); |
| thrown.expectMessage("Unsupported version [116] for UniCode path extra data."); |
| ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.STRICT_FOR_KNOW_EXTRA_FIELDS); |
| } |
| } |
| |
| @Test |
| public void bestEffortIncludesUnparseableExtraData() throws Exception { |
| final ZipExtraField[] extraFields = parsingModeBehaviorTestData(); |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setExtraFields(extraFields); |
| final ZipExtraField[] read = ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.BEST_EFFORT); |
| assertEquals(extraFields.length, read.length); |
| } |
| |
| @Test |
| public void onlyParseableLenientExcludesUnparseableExtraData() throws Exception { |
| final ZipExtraField[] extraFields = parsingModeBehaviorTestData(); |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setExtraFields(extraFields); |
| final ZipExtraField[] read = ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.ONLY_PARSEABLE_LENIENT); |
| assertEquals(extraFields.length, read.length + 1); |
| } |
| |
| @Test |
| public void strictForKnowExtraFieldsIncludesUnparseableExtraData() throws Exception { |
| final ZipExtraField[] extraFields = parsingModeBehaviorTestData(); |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setExtraFields(extraFields); |
| final ZipExtraField[] read = ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.STRICT_FOR_KNOW_EXTRA_FIELDS); |
| assertEquals(extraFields.length, read.length); |
| } |
| |
| @Test |
| public void onlyParseableStrictExcludesUnparseableExtraData() throws Exception { |
| final ZipExtraField[] extraFields = parsingModeBehaviorTestData(); |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setExtraFields(extraFields); |
| final ZipExtraField[] read = ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.ONLY_PARSEABLE_STRICT); |
| assertEquals(extraFields.length, read.length + 1); |
| } |
| |
| @Test |
| public void draconicThrowsOnUnparseableExtraData() throws Exception { |
| final ZipExtraField[] extraFields = parsingModeBehaviorTestData(); |
| final ZipArchiveEntry ze = new ZipArchiveEntry("foo"); |
| ze.setExtraFields(extraFields); |
| thrown.expect(ZipException.class); |
| thrown.expectMessage("Bad extra field starting at"); |
| ze.getExtraFields(ZipArchiveEntry.ExtraFieldParsingMode.DRACONIC); |
| } |
| |
| private ZipExtraField[] parsingModeBehaviorTestData() { |
| final AsiExtraField a = new AsiExtraField(); |
| a.setDirectory(true); |
| a.setMode(0755); |
| final UnrecognizedExtraField u = new UnrecognizedExtraField(); |
| u.setHeaderId(ExtraFieldUtilsTest.UNRECOGNIZED_HEADER); |
| u.setLocalFileDataData(new byte[0]); |
| final UnparseableExtraFieldData x = new UnparseableExtraFieldData(); |
| final byte[] unparseable = new byte[] { |
| 0, 0, (byte) 0xff, (byte) 0xff, 0, 0, 0 |
| }; |
| x.parseFromLocalFileData(unparseable, 0, unparseable.length); |
| return new ZipExtraField[] { a, u, x }; |
| } |
| |
| @Test |
| public void testZipArchiveClone() throws Exception { |
| try (ZipFile zf = new ZipFile(getFile("COMPRESS-479.zip"))) { |
| final ZipArchiveEntry ze = zf.getEntry("%U20AC_for_Dollar.txt"); |
| final ZipArchiveEntry clonedZe = (ZipArchiveEntry) ze.clone(); |
| assertTrue(ze.equals(clonedZe)); |
| } |
| } |
| } |