1 /*
   2  * Copyright (c) 2015, 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 import java.io.File;
  25 import java.io.FileOutputStream;
  26 import java.io.IOException;
  27 import java.nio.file.Files;
  28 import java.nio.file.Path;
  29 import java.nio.file.Paths;
  30 import java.security.KeyStore;
  31 import java.security.PrivateKey;
  32 import java.security.cert.CertPath;
  33 import java.security.cert.CertificateFactory;
  34 import java.util.Arrays;
  35 import java.util.HashMap;
  36 import java.util.Map;
  37 import java.util.zip.ZipFile;
  38 import jdk.security.jarsigner.JarSigner;
  39 
  40 public class CreateMultiReleaseTestJars {
  41     final private String main =
  42             "package version;\n\n"
  43             + "public class Main {\n"
  44             + "    public static void main(String[] args) {\n"
  45             + "        Version v = new Version();\n"
  46             + "        System.out.println(\"I am running on version \" + v.getVersion());\n"
  47             + "    }\n"
  48             + "}\n";
  49     final private String java8 =
  50             "package version;\n\n"
  51             + "public class Version {\n"
  52             + "    public int getVersion() {\n"
  53             + "        return 8;\n"
  54             + "    }\n"
  55             + "}\n";
  56     final private String java9 =
  57             "package version;\n\n"
  58             + "public class Version {\n"
  59             + "    public int getVersion() {\n"
  60             + "        int version = (new PackagePrivate()).getVersion();\n"
  61             + "        if (version == 9) return 9;\n"  // strange I know, but easy to test
  62             + "        return version;\n"
  63             + "    }\n"
  64             + "}\n";
  65     final private String ppjava9 =
  66             "package version;\n\n"
  67             + "class PackagePrivate {\n"
  68             + "    int getVersion() {\n"
  69             + "        return 9;\n"
  70             + "    }\n"
  71             + "}\n";
  72     final private String java10 = java8.replace("8", "10");
  73     final String readme8 = "This is the root readme file";
  74     final String readme9 = "This is the version nine readme file";
  75     final String readme10 = "This is the version ten readme file";
  76     private Map<String,byte[]> rootClasses;
  77     private Map<String,byte[]> version9Classes;
  78     private Map<String,byte[]> version10Classes;
  79 
  80     public void buildUnversionedJar() throws IOException {
  81         JarBuilder jb = new JarBuilder("unversioned.jar");
  82         jb.addEntry("README", readme8.getBytes());
  83         jb.addEntry("version/Main.java", main.getBytes());
  84         jb.addEntry("version/Main.class", rootClasses.get("version.Main"));
  85         jb.addEntry("version/Version.java", java8.getBytes());
  86         jb.addEntry("version/Version.class", rootClasses.get("version.Version"));
  87         jb.build();
  88     }
  89 
  90     public void buildMultiReleaseJar() throws IOException {
  91         JarBuilder jb = customMultiReleaseJar("multi-release.jar", "true");
  92         addEntries(jb);
  93         jb.addEntry("META-INF/versions/9/version/Version.class", version9Classes.get("version.Version"));
  94         jb.build();
  95     }
  96 
  97     public void buildShortMultiReleaseJar() throws IOException {
  98         JarBuilder jb = customMultiReleaseJar("short-multi-release.jar", "true");
  99         addEntries(jb);
 100         jb.build();
 101     }
 102 
 103     private JarBuilder customMultiReleaseJar(String filename, String multiReleaseValue)
 104             throws IOException {
 105         JarBuilder jb = new JarBuilder(filename);
 106         jb.addAttribute("Multi-Release", multiReleaseValue);
 107         return jb;
 108     }
 109 
 110     public void buildCustomMultiReleaseJar(String filename, String multiReleaseValue,
 111             Map<String, String> extraAttributes) throws IOException {
 112         JarBuilder jb = new JarBuilder(filename);
 113         extraAttributes.entrySet()
 114                 .forEach(entry -> jb.addAttribute(entry.getKey(), entry.getValue()));
 115         jb.addAttribute("Multi-Release", multiReleaseValue);
 116         jb.build();
 117     }
 118 
 119     private void addEntries(JarBuilder jb) {
 120         jb.addEntry("README", readme8.getBytes());
 121         jb.addEntry("version/Main.java", main.getBytes());
 122         jb.addEntry("version/Main.class", rootClasses.get("version.Main"));
 123         jb.addEntry("version/Version.java", java8.getBytes());
 124         jb.addEntry("version/Version.class", rootClasses.get("version.Version"));
 125         jb.addEntry("META-INF/versions/9/README", readme9.getBytes());
 126         jb.addEntry("META-INF/versions/9/version/Version.java", java9.getBytes());
 127         jb.addEntry("META-INF/versions/9/version/PackagePrivate.java", ppjava9.getBytes());
 128         jb.addEntry("META-INF/versions/9/version/PackagePrivate.class", version9Classes.get("version.PackagePrivate"));
 129         jb.addEntry("META-INF/versions/10/README", readme10.getBytes());
 130         jb.addEntry("META-INF/versions/10/version/Version.java", java10.getBytes());
 131         jb.addEntry("META-INF/versions/10/version/Version.class", version10Classes.get("version.Version"));
 132     }
 133 
 134     public void buildSignedMultiReleaseJar() throws Exception {
 135         String testsrc = System.getProperty("test.src",".");
 136         String testdir = findTestDir(testsrc);
 137         String keystore = testdir + "/sun/security/tools/jarsigner/JarSigning.keystore";
 138 
 139         // jarsigner -keystore keystore -storepass "bbbbbb"
 140         //           -signedJar signed-multi-release.jar multi-release.jar b
 141 
 142         char[] password = "bbbbbb".toCharArray();
 143         KeyStore ks = KeyStore.getInstance(new File(keystore), password);
 144         PrivateKey pkb = (PrivateKey)ks.getKey("b", password);
 145         CertPath cp = CertificateFactory.getInstance("X.509")
 146                 .generateCertPath(Arrays.asList(ks.getCertificateChain("b")));
 147         JarSigner js = new JarSigner.Builder(pkb, cp).build();
 148         try (ZipFile in = new ZipFile("multi-release.jar");
 149              FileOutputStream os = new FileOutputStream("signed-multi-release.jar"))
 150         {
 151             js.sign(in, os);
 152         }
 153     }
 154 
 155     String findTestDir(String dir) throws IOException {
 156         Path path = Paths.get(dir).toAbsolutePath();
 157         while (path != null && !path.endsWith("test")) {
 158             path = path.getParent();
 159         }
 160         if (path == null) {
 161             throw new IllegalArgumentException(dir + " is not in a test directory");
 162         }
 163         if (!Files.isDirectory(path)) {
 164             throw new IOException(path.toString() + " is not a directory");
 165         }
 166         return path.toString();
 167     }
 168 
 169     void compileEntries() {
 170         Map<String,String> input = new HashMap<>();
 171         input.put("version.Main", main);
 172         input.put("version.Version", java8);
 173         rootClasses = (new Compiler(input)).setRelease(8).compile();
 174         input.clear();
 175         input.put("version.Version", java9);
 176         input.put("version.PackagePrivate", ppjava9);
 177         version9Classes = (new Compiler(input)).setRelease(9).compile();
 178         input.clear();
 179         input.put("version.Version", java10);
 180         version10Classes = (new Compiler(input)).setRelease(9).compile();  // fixme in JDK 10
 181     }
 182 }