123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124 |
- /*
- * SonarQube
- * Copyright (C) 2009-2019 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.server.plugins;
-
- import java.io.BufferedInputStream;
- import java.io.BufferedOutputStream;
- import java.io.File;
- import java.io.IOException;
- import java.io.OutputStream;
- import java.nio.file.Files;
- import java.nio.file.Path;
- import java.util.Collection;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.Optional;
- import java.util.jar.JarInputStream;
- import java.util.jar.Pack200;
- import java.util.zip.GZIPOutputStream;
- import org.sonar.api.config.Configuration;
- import org.sonar.api.server.ServerSide;
- import org.sonar.api.utils.log.Logger;
- import org.sonar.api.utils.log.Loggers;
- import org.sonar.api.utils.log.Profiler;
- import org.sonar.core.platform.PluginInfo;
- import org.sonar.server.plugins.InstalledPlugin.FileAndMd5;
-
- import static com.google.common.base.Preconditions.checkState;
-
- @ServerSide
- public class PluginFileSystem {
-
- public static final String PROPERTY_PLUGIN_COMPRESSION_ENABLE = "sonar.pluginsCompression.enable";
- private static final Logger LOG = Loggers.get(PluginFileSystem.class);
-
- private final Configuration configuration;
- private final Map<String, InstalledPlugin> installedFiles = new HashMap<>();
-
- public PluginFileSystem(Configuration configuration) {
- this.configuration = configuration;
- }
-
- /**
- * @param plugin
- * @param loadedJar the JAR loaded by classloaders. It differs from {@code plugin.getJarFile()}
- * which is the initial location of JAR as seen by users
- */
- public void addInstalledPlugin(PluginInfo plugin, File loadedJar) {
- checkState(!installedFiles.containsKey(plugin.getKey()), "Plugin %s is already loaded", plugin.getKey());
- checkState(loadedJar.exists(), "loadedJar does not exist: %s", loadedJar);
-
- Optional<File> compressed = compressJar(plugin, loadedJar);
- InstalledPlugin installedFile = new InstalledPlugin(
- plugin,
- new FileAndMd5(loadedJar),
- compressed.map(FileAndMd5::new).orElse(null));
- installedFiles.put(plugin.getKey(), installedFile);
- }
-
- public Optional<InstalledPlugin> getInstalledPlugin(String pluginKey) {
- return Optional.ofNullable(installedFiles.get(pluginKey));
- }
-
- public Collection<InstalledPlugin> getInstalledFiles() {
- return installedFiles.values();
- }
-
- private Optional<File> compressJar(PluginInfo plugin, File jar) {
- if (!configuration.getBoolean(PROPERTY_PLUGIN_COMPRESSION_ENABLE).orElse(false)) {
- return Optional.empty();
- }
-
- Path targetPack200 = getPack200Path(jar.toPath());
- Path sourcePack200Path = getPack200Path(plugin.getNonNullJarFile().toPath());
-
- // check if packed file was deployed alongside the jar. If that's the case, use it instead of generating it (SONAR-10395).
- if (sourcePack200Path.toFile().exists()) {
- try {
- LOG.debug("Found pack200: " + sourcePack200Path);
- Files.copy(sourcePack200Path, targetPack200);
- } catch (IOException e) {
- throw new IllegalStateException("Failed to copy pack200 file from " + sourcePack200Path + " to " + targetPack200, e);
- }
- } else {
- pack200(jar.toPath(), targetPack200, plugin.getKey());
- }
- return Optional.of(targetPack200.toFile());
- }
-
- private static void pack200(Path jarPath, Path toPack200Path, String pluginKey) {
- Profiler profiler = Profiler.create(LOG);
- profiler.startInfo("Compressing plugin " + pluginKey + " [pack200]");
-
- try (JarInputStream in = new JarInputStream(new BufferedInputStream(Files.newInputStream(jarPath)));
- OutputStream out = new GZIPOutputStream(new BufferedOutputStream(Files.newOutputStream(toPack200Path)))) {
- Pack200.newPacker().pack(in, out);
- } catch (IOException e) {
- throw new IllegalStateException(String.format("Fail to pack200 plugin [%s] '%s' to '%s'", pluginKey, jarPath, toPack200Path), e);
- }
- profiler.stopInfo();
- }
-
- private static Path getPack200Path(Path jar) {
- String jarFileName = jar.getFileName().toString();
- String filename = jarFileName.substring(0, jarFileName.length() - 3) + "pack.gz";
- return jar.resolveSibling(filename);
- }
- }
|