1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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  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 8132734 8144062 8165723 8199172
  27  * @summary Test the extended API and the aliasing additions in JarFile that
  28  *          support multi-release jar files
  29  * @library /lib/testlibrary/java/util/jar /test/lib
  30  * @build jdk.test.lib.RandomFactory
  31  *        Compiler JarBuilder CreateMultiReleaseTestJars
  32  * @run testng MultiReleaseJarAPI
  33  */
  34 
  35 import java.io.File;
  36 import java.io.IOException;
  37 import java.io.InputStream;
  38 import java.nio.charset.StandardCharsets;
  39 import java.nio.file.Files;
  40 import java.util.Arrays;
  41 import java.util.Map;
  42 import java.util.Random;
  43 import java.util.concurrent.atomic.AtomicInteger;
  44 import java.util.jar.JarFile;
  45 import java.util.zip.ZipEntry;
  46 import java.util.zip.ZipFile;
  47 
  48 import jdk.test.lib.RandomFactory;
  49 
  50 import org.testng.Assert;
  51 import org.testng.annotations.AfterClass;
  52 import org.testng.annotations.BeforeClass;
  53 import org.testng.annotations.DataProvider;
  54 import org.testng.annotations.Test;
  55 
  56 public class MultiReleaseJarAPI {
  57 
  58     private static final Random RANDOM = RandomFactory.getRandom();
  59 
  60     String userdir = System.getProperty("user.dir",".");
  61     CreateMultiReleaseTestJars creator =  new CreateMultiReleaseTestJars();
  62     File unversioned = new File(userdir, "unversioned.jar");
  63     File multirelease = new File(userdir, "multi-release.jar");
  64     File signedmultirelease = new File(userdir, "signed-multi-release.jar");
  65 
  66 
  67     @BeforeClass
  68     public void initialize() throws Exception {
  69         creator.compileEntries();
  70         creator.buildUnversionedJar();
  71         creator.buildMultiReleaseJar();
  72         creator.buildSignedMultiReleaseJar();
  73     }
  74 
  75     @AfterClass
  76     public void close() throws IOException {
  77         Files.delete(unversioned.toPath());
  78         Files.delete(multirelease.toPath());
  79         Files.delete(signedmultirelease.toPath());
  80     }
  81 
  82     @Test
  83     public void isMultiReleaseJar() throws Exception {
  84         try (JarFile jf = new JarFile(unversioned)) {
  85             Assert.assertFalse(jf.isMultiRelease());
  86         }
  87 
  88         try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, Runtime.version())) {
  89             Assert.assertFalse(jf.isMultiRelease());
  90         }
  91 
  92         try (JarFile jf = new JarFile(multirelease)) {
  93             Assert.assertTrue(jf.isMultiRelease());
  94         }
  95 
  96         try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Runtime.version())) {
  97             Assert.assertTrue(jf.isMultiRelease());
  98         }
  99 
 100         testCustomMultiReleaseValue("true", true);
 101         testCustomMultiReleaseValue("true\r\nOther: value", true);
 102         testCustomMultiReleaseValue("true\nOther: value", true);
 103         testCustomMultiReleaseValue("true\rOther: value", true);
 104 
 105         testCustomMultiReleaseValue("false", false);
 106         testCustomMultiReleaseValue(" true", false);
 107         testCustomMultiReleaseValue("true ", false);
 108 //        testCustomMultiReleaseValue("true\n ", false);
 109 //        testCustomMultiReleaseValue("true\r ", false);
 110         testCustomMultiReleaseValue("true\n true", false);
 111         testCustomMultiReleaseValue("true\r true", false);
 112         testCustomMultiReleaseValue("true\r\n true", false);
 113 
 114         // generate "random" Strings to use as extra attributes, and
 115         // verify that Multi-Release: true is always properly matched
 116         for (int i = 0; i < 100; i++) {
 117             byte[] keyBytes = new byte[RANDOM.nextInt(70) + 1];
 118             Arrays.fill(keyBytes, (byte)('a' + RANDOM.nextInt(24)));
 119             byte[] valueBytes = new byte[RANDOM.nextInt(70) + 1];
 120             Arrays.fill(valueBytes, (byte)('a' + RANDOM.nextInt(24)));
 121 
 122             String key = new String(keyBytes, StandardCharsets.UTF_8);
 123             String value = new String(valueBytes, StandardCharsets.UTF_8);
 124             // test that Multi-Release: true anywhere in the manifest always
 125             // return true
 126             testCustomMultiReleaseValue("true", Map.of(key, value), true);
 127 
 128             // test that we don't get any false positives
 129             testCustomMultiReleaseValue("false", Map.of(key, value), false);
 130         }
 131     }
 132 
 133     private void testCustomMultiReleaseValue(String value, boolean expected)
 134             throws Exception {
 135         testCustomMultiReleaseValue(value, Map.of(), expected);
 136     }
 137 
 138     private static final AtomicInteger JAR_COUNT = new AtomicInteger(0);
 139 
 140     private void testCustomMultiReleaseValue(String value,
 141             Map<String, String> extraAttributes, boolean expected)
 142             throws Exception {
 143         String fileName = "custom-mr" + JAR_COUNT.incrementAndGet() + ".jar";
 144         creator.buildCustomMultiReleaseJar(fileName, value, extraAttributes);
 145         File custom = new File(userdir, fileName);
 146         try (JarFile jf = new JarFile(custom, true, ZipFile.OPEN_READ, Runtime.version())) {
 147             Assert.assertEquals(jf.isMultiRelease(), expected);
 148         }
 149         Files.delete(custom.toPath());
 150     }
 151 
 152     @DataProvider(name = "versions")
 153     public Object[][] createVersionData() throws Exception {
 154         return new Object[][]{
 155                 {JarFile.baseVersion(), 8},
 156                 {JarFile.runtimeVersion(), Runtime.version().major()},
 157                 {Runtime.version(), Runtime.version().major()},
 158                 {Runtime.Version.parse("7.1"), JarFile.baseVersion().major()},
 159                 {Runtime.Version.parse("9"), 9},
 160                 {Runtime.Version.parse("9.1.5-ea+200"), 9}
 161         };
 162     }
 163 
 164     @Test(dataProvider="versions")
 165     public void testVersioning(Runtime.Version value, int xpected) throws Exception {
 166         Runtime.Version expected = Runtime.Version.parse(String.valueOf(xpected));
 167         Runtime.Version base = JarFile.baseVersion();
 168 
 169         // multi-release jar, opened as unversioned
 170         try (JarFile jar = new JarFile(multirelease)) {
 171             Assert.assertEquals(jar.getVersion(), base);
 172         }
 173 
 174         System.err.println("test versioning for Release " + value);
 175         try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, value)) {
 176             Assert.assertEquals(jf.getVersion(), expected);
 177         }
 178 
 179         // regular, unversioned, jar
 180         try (JarFile jf = new JarFile(unversioned, true, ZipFile.OPEN_READ, value)) {
 181             Assert.assertEquals(jf.getVersion(), base);
 182         }
 183     }
 184 
 185     @Test(dataProvider="versions")
 186     public void testAliasing(Runtime.Version version, int xpected) throws Exception {
 187         int n = Math.max(version.major(), JarFile.baseVersion().major());
 188         Runtime.Version value = Runtime.Version.parse(String.valueOf(n));
 189         System.err.println("test aliasing for Release " + version);
 190         String prefix;
 191         if (JarFile.baseVersion().equals(value)) {
 192             prefix = "";
 193         } else {
 194             prefix = "META-INF/versions/" + value.major() + "/";
 195         }
 196         // test both multi-release jars
 197         readAndCompare(multirelease, value, "README", prefix + "README");
 198         readAndCompare(multirelease, value, "version/Version.class", prefix + "version/Version.class");
 199         // and signed multi-release jars
 200         readAndCompare(signedmultirelease, value, "README", prefix + "README");
 201         readAndCompare(signedmultirelease, value, "version/Version.class", prefix + "version/Version.class");
 202     }
 203 
 204     private void readAndCompare(File jar, Runtime.Version version, String name, String realName) throws Exception {
 205         byte[] baseBytes;
 206         byte[] versionedBytes;
 207         try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, JarFile.baseVersion())) {
 208             ZipEntry ze = jf.getEntry(realName);
 209             try (InputStream is = jf.getInputStream(ze)) {
 210                 baseBytes = is.readAllBytes();
 211             }
 212         }
 213         assert baseBytes.length > 0;
 214 
 215         try (JarFile jf = new JarFile(jar, true, ZipFile.OPEN_READ, version)) {
 216             ZipEntry ze = jf.getEntry(name);
 217             try (InputStream is = jf.getInputStream(ze)) {
 218                 versionedBytes = is.readAllBytes();
 219             }
 220         }
 221         assert versionedBytes.length > 0;
 222 
 223         Assert.assertTrue(Arrays.equals(baseBytes, versionedBytes));
 224     }
 225 
 226     @Test
 227     public void testNames() throws Exception {
 228         String rname = "version/Version.class";
 229         String vname = "META-INF/versions/9/version/Version.class";
 230         ZipEntry ze1;
 231         ZipEntry ze2;
 232         try (JarFile jf = new JarFile(multirelease)) {
 233             ze1 = jf.getEntry(vname);
 234         }
 235         Assert.assertEquals(ze1.getName(), vname);
 236         try (JarFile jf = new JarFile(multirelease, true, ZipFile.OPEN_READ, Runtime.Version.parse("9"))) {
 237             ze2 = jf.getEntry(rname);
 238         }
 239         Assert.assertEquals(ze2.getName(), rname);
 240         Assert.assertNotEquals(ze1.getName(), ze2.getName());
 241     }
 242 }