1 /*
   2  * Copyright (c) 2015, 2019, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.jpackage.internal;
  27 
  28 import java.io.File;
  29 import java.io.FileInputStream;
  30 import java.io.FileOutputStream;
  31 import java.io.IOException;
  32 import java.io.InputStream;
  33 import java.io.OutputStream;
  34 import java.io.OutputStreamWriter;
  35 import java.io.UncheckedIOException;
  36 import java.io.Writer;
  37 import java.nio.file.Files;
  38 import java.nio.file.Path;
  39 import java.nio.file.attribute.PosixFilePermission;
  40 import java.text.MessageFormat;
  41 import java.util.HashMap;
  42 import java.util.List;
  43 import java.util.Map;
  44 import java.util.Objects;
  45 import java.util.ResourceBundle;
  46 import java.util.Set;
  47 
  48 import static jdk.jpackage.internal.StandardBundlerParam.*;
  49 
  50 public class LinuxAppImageBuilder extends AbstractAppImageBuilder {
  51 
  52     private static final ResourceBundle I18N = ResourceBundle.getBundle(
  53         "jdk.jpackage.internal.resources.LinuxResources");
  54 
  55     private static final String LIBRARY_NAME = "libapplauncher.so";
  56 
  57     private final Path root;
  58     private final Path appDir;
  59     private final Path appModsDir;
  60     private final Path runtimeDir;
  61     private final Path resourcesDir;
  62     private final Path mdir;
  63 
  64     private final Map<String, ? super Object> params;
  65 
  66     public static final BundlerParamInfo<File> ICON_PNG =
  67             new StandardBundlerParam<>(
  68             I18N.getString("param.icon-png.name"),
  69             I18N.getString("param.icon-png.description"),
  70             "icon.png",
  71             File.class,
  72             params -> {
  73                 File f = ICON.fetchFrom(params);
  74                 if (f != null && !f.getName().toLowerCase().endsWith(".png")) {
  75                     Log.error(MessageFormat.format(I18N.getString(
  76                             "message.icon-not-png"), f));
  77                     return null;
  78                 }
  79                 return f;
  80             },
  81             (s, p) -> new File(s));
  82 
  83     public LinuxAppImageBuilder(Map<String, Object> config, Path imageOutDir)
  84             throws IOException {
  85         super(config,
  86                 imageOutDir.resolve(APP_NAME.fetchFrom(config) + "/runtime"));
  87 
  88         Objects.requireNonNull(imageOutDir);
  89 
  90         this.root = imageOutDir.resolve(APP_NAME.fetchFrom(config));
  91         this.appDir = root.resolve("app");
  92         this.appModsDir = appDir.resolve("mods");
  93         this.runtimeDir = root.resolve("runtime");
  94         this.resourcesDir = root.resolve("resources");
  95         this.mdir = runtimeDir.resolve("lib");
  96         this.params = new HashMap<>();
  97         config.entrySet().stream().forEach(e -> params.put(
  98                 e.getKey().toString(), e.getValue()));
  99         Files.createDirectories(appDir);
 100         Files.createDirectories(runtimeDir);
 101         Files.createDirectories(resourcesDir);
 102     }
 103 
 104     public LinuxAppImageBuilder(String appName, Path imageOutDir)
 105             throws IOException {
 106         super(null, imageOutDir.resolve(appName));
 107 
 108         Objects.requireNonNull(imageOutDir);
 109 
 110         this.root = imageOutDir.resolve(appName);
 111         this.appDir = null;
 112         this.appModsDir = null;
 113         this.runtimeDir = null;
 114         this.resourcesDir = null;
 115         this.mdir = null;
 116         this.params = new HashMap<>();
 117     }
 118 
 119     private Path destFile(String dir, String filename) {
 120         return runtimeDir.resolve(dir).resolve(filename);
 121     }
 122 
 123     private void writeEntry(InputStream in, Path dstFile) throws IOException {
 124         Files.createDirectories(dstFile.getParent());
 125         Files.copy(in, dstFile);
 126     }
 127 
 128     private void writeSymEntry(Path dstFile, Path target) throws IOException {
 129         Files.createDirectories(dstFile.getParent());
 130         Files.createLink(dstFile, target);
 131     }
 132 
 133     /**
 134      * chmod ugo+x file
 135      */
 136     private void setExecutable(Path file) {
 137         try {
 138             Set<PosixFilePermission> perms =
 139                     Files.getPosixFilePermissions(file);
 140             perms.add(PosixFilePermission.OWNER_EXECUTE);
 141             perms.add(PosixFilePermission.GROUP_EXECUTE);
 142             perms.add(PosixFilePermission.OTHERS_EXECUTE);
 143             Files.setPosixFilePermissions(file, perms);
 144         } catch (IOException ioe) {
 145             throw new UncheckedIOException(ioe);
 146         }
 147     }
 148 
 149     private static void createUtf8File(File file, String content)
 150             throws IOException {
 151         try (OutputStream fout = new FileOutputStream(file);
 152             Writer output = new OutputStreamWriter(fout, "UTF-8")) {
 153             output.write(content);
 154         }
 155     }
 156 
 157 
 158     // it is static for the sake of sharing with "installer" bundlers
 159     // that may skip calls to validate/bundle in this class!
 160     public static File getRootDir(File outDir, Map<String, ? super Object> p) {
 161         return new File(outDir, APP_NAME.fetchFrom(p));
 162     }
 163 
 164     public static String getLauncherName(Map<String, ? super Object> p) {
 165         return APP_NAME.fetchFrom(p);
 166     }
 167 
 168     public static String getLauncherCfgName(Map<String, ? super Object> p) {
 169         return "app/" + APP_NAME.fetchFrom(p) + ".cfg";
 170     }
 171 
 172     @Override
 173     public Path getAppDir() {
 174         return appDir;
 175     }
 176 
 177     @Override
 178     public Path getAppModsDir() {
 179         return appModsDir;
 180     }
 181 
 182     @Override
 183     public void prepareApplicationFiles() throws IOException {
 184         Map<String, ? super Object> originalParams = new HashMap<>(params);
 185 
 186         // create the primary launcher
 187         createLauncherForEntryPoint(params, root);
 188 
 189         // Copy library to the launcher folder
 190         try (InputStream is_lib = getResourceAsStream(LIBRARY_NAME)) {
 191             writeEntry(is_lib, root.resolve(LIBRARY_NAME));
 192         }
 193 
 194         // create the secondary launchers, if any
 195         List<Map<String, ? super Object>> entryPoints
 196                 = StandardBundlerParam.SECONDARY_LAUNCHERS.fetchFrom(params);
 197         for (Map<String, ? super Object> entryPoint : entryPoints) {
 198             Map<String, ? super Object> tmp = new HashMap<>(originalParams);
 199             tmp.putAll(entryPoint);
 200             createLauncherForEntryPoint(tmp, root);
 201         }
 202 
 203         // Copy class path entries to Java folder
 204         copyApplication();
 205 
 206         // Copy icon to Resources folder
 207         copyIcon();
 208     }
 209 
 210     @Override
 211     public void prepareJreFiles() throws IOException {}
 212 
 213     private void createLauncherForEntryPoint(Map<String, ? super Object> p,
 214             Path rootDir) throws IOException {
 215         // Copy executable to Linux folder
 216         Path executableFile = root.resolve(getLauncherName(p));
 217         try (InputStream is_launcher =
 218                 getResourceAsStream("jpackageapplauncher")) {
 219             writeEntry(is_launcher, executableFile);
 220         }
 221 
 222         executableFile.toFile().setExecutable(true, false);
 223         executableFile.toFile().setWritable(true, true);
 224 
 225         writeCfgFile(p, root.resolve(getLauncherCfgName(p)).toFile(),
 226                 "$APPDIR/runtime");
 227     }
 228 
 229     private void copyIcon() throws IOException {
 230         File icon = ICON_PNG.fetchFrom(params);
 231         if (icon != null) {
 232             File iconTarget = new File(resourcesDir.toFile(),
 233                     APP_NAME.fetchFrom(params) + ".png");
 234             IOUtils.copyFile(icon, iconTarget);
 235         }
 236     }
 237 
 238     private void copyApplication() throws IOException {
 239         for (RelativeFileSet appResources :
 240                 APP_RESOURCES_LIST.fetchFrom(params)) {
 241             if (appResources == null) {
 242                 throw new RuntimeException("Null app resources?");
 243             }
 244             File srcdir = appResources.getBaseDirectory();
 245             for (String fname : appResources.getIncludedFiles()) {
 246                 copyEntry(appDir, srcdir, fname);
 247             }
 248         }
 249     }
 250 
 251 }