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Common library used by some SonarLint flavors
/*
* SonarLint Core - Implementation
* Copyright (C) 2016-2022 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.sonarsource.sonarlint.core.storage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.commons.io.FileUtils;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import org.sonarsource.sonarlint.core.client.api.exceptions.StorageException;
import org.sonarsource.sonarlint.core.container.storage.ProtobufUtil;
import org.sonarsource.sonarlint.core.container.storage.RWLock;
import org.sonarsource.sonarlint.core.proto.Sonarlint;
import org.sonarsource.sonarlint.core.serverapi.plugins.ServerPlugin;
public class PluginsStorage {
private static final Logger LOG = Loggers.get(PluginsStorage.class);
public static final String PLUGIN_REFERENCES_PB = "plugin_references.pb";
private final Path rootPath;
private final RWLock rwLock = new RWLock();
public PluginsStorage(Path rootPath) {
this.rootPath = rootPath;
}
public void store(ServerPlugin plugin, InputStream pluginBinary) {
try {
FileUtils.copyInputStreamToFile(pluginBinary, rootPath.resolve(plugin.getFilename()).toFile());
var reference = adapt(plugin);
rwLock.write(() -> {
var pluginsFilePath = getPluginsFilePath();
var references = Files.exists(pluginsFilePath) ? ProtobufUtil.readFile(pluginsFilePath, Sonarlint.PluginReferences.parser())
: Sonarlint.PluginReferences.newBuilder().build();
var currentReferences = Sonarlint.PluginReferences.newBuilder(references);
currentReferences.putPluginsByKey(plugin.getKey(), reference);
ProtobufUtil.writeToFile(currentReferences.build(), pluginsFilePath);
});
} catch (IOException e) {
// XXX should we stop the whole sync ? just continue and log ?
throw new StorageException("Cannot save plugin " + plugin.getFilename() + " in " + rootPath, e);
}
}
public List getStoredPlugins() {
var filePath = getPluginsFilePath();
return rwLock.read(() -> Files.exists(filePath) ? ProtobufUtil.readFile(filePath, Sonarlint.PluginReferences.parser()) : Sonarlint.PluginReferences.newBuilder().build())
.getPluginsByKeyMap().values().stream().map(this::adapt).collect(Collectors.toList());
}
private Path getPluginsFilePath() {
return rootPath.resolve(PLUGIN_REFERENCES_PB);
}
public Map getStoredPluginsByKey() {
return byKey(getStoredPlugins());
}
public Map getStoredPluginPathsByKey() {
return byKey(getStoredPlugins()).entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, v -> v.getValue().getJarPath()));
}
private static Map byKey(List plugins) {
return plugins.stream().collect(Collectors.toMap(StoredPlugin::getKey, Function.identity()));
}
private static Sonarlint.PluginReferences.PluginReference adapt(ServerPlugin plugin) {
return Sonarlint.PluginReferences.PluginReference.newBuilder()
.setKey(plugin.getKey())
.setHash(plugin.getHash())
.setFilename(plugin.getFilename())
.build();
}
private StoredPlugin adapt(Sonarlint.PluginReferences.PluginReference plugin) {
return new StoredPlugin(
plugin.getKey(),
plugin.getHash(),
rootPath.resolve(plugin.getFilename()));
}
public void cleanUp() {
getUnknownFiles()
.forEach(FileUtils::deleteQuietly);
}
private List getUnknownFiles() {
if (!Files.exists(rootPath)) {
return Collections.emptyList();
}
var knownPluginsPaths = getStoredPlugins().stream().map(StoredPlugin::getJarPath).collect(Collectors.toSet());
try (Stream pathsInDir = Files.list(rootPath)) {
return pathsInDir.filter(p -> !p.equals(getPluginsFilePath()))
.filter(p -> !knownPluginsPaths.contains(p))
.map(Path::toFile)
.collect(Collectors.toList());
} catch (Exception e) {
LOG.error("Cannot list files in '{}'", rootPath, e);
return Collections.emptyList();
}
}
}