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/*
* SonarQube
* Copyright (C) 2009-2018 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 com.google.common.base.Optional;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.picocontainer.Startable;
import org.sonar.api.utils.HttpDownloader;
import org.sonar.api.utils.log.Logger;
import org.sonar.api.utils.log.Loggers;
import org.sonar.core.platform.PluginInfo;
import org.sonar.core.util.stream.MoreCollectors;
import org.sonar.server.platform.ServerFileSystem;
import org.sonar.updatecenter.common.Release;
import org.sonar.updatecenter.common.UpdateCenter;
import org.sonar.updatecenter.common.Version;
import static org.apache.commons.io.FileUtils.copyFile;
import static org.apache.commons.io.FileUtils.copyFileToDirectory;
import static org.apache.commons.io.FileUtils.forceMkdir;
import static org.apache.commons.io.FileUtils.toFile;
import static org.apache.commons.lang.StringUtils.substringAfterLast;
import static org.sonar.core.util.FileUtils.deleteQuietly;
import static org.sonar.server.ws.WsUtils.checkRequest;
/**
* Downloads plugins from update center. Files are copied in the directory extensions/downloads and then
* moved to extensions/plugins after server restart.
*/
public class PluginDownloader implements Startable {
private static final Logger LOG = Loggers.get(PluginDownloader.class);
private static final String TMP_SUFFIX = "tmp";
private static final String PLUGIN_EXTENSION = "jar";
private final UpdateCenterMatrixFactory updateCenterMatrixFactory;
private final HttpDownloader downloader;
private final File downloadDir;
public PluginDownloader(UpdateCenterMatrixFactory updateCenterMatrixFactory, HttpDownloader downloader,
ServerFileSystem fileSystem) {
this.updateCenterMatrixFactory = updateCenterMatrixFactory;
this.downloader = downloader;
this.downloadDir = fileSystem.getDownloadedPluginsDir();
}
/**
* Deletes the temporary files remaining from previous downloads
*/
@Override
public void start() {
try {
forceMkdir(downloadDir);
for (File tempFile : listTempFile(this.downloadDir)) {
deleteQuietly(tempFile);
}
} catch (IOException e) {
throw new IllegalStateException("Fail to create the directory: " + downloadDir, e);
}
}
@Override
public void stop() {
// Nothing to do
}
public void cancelDownloads() {
try {
if (downloadDir.exists()) {
org.sonar.core.util.FileUtils.cleanDirectory(downloadDir);
}
} catch (IOException e) {
throw new IllegalStateException("Fail to clean the plugin downloads directory: " + downloadDir, e);
}
}
public List getDownloadedPluginFilenames() {
List names = new ArrayList<>();
for (File file : listPlugins(this.downloadDir)) {
names.add(file.getName());
}
return names;
}
/**
* @return the list of download plugins as {@link PluginInfo} instances
*/
public Collection getDownloadedPlugins() {
return listPlugins(this.downloadDir)
.stream()
.map(PluginInfo::create)
.collect(MoreCollectors.toList());
}
public void download(String pluginKey, Version version) {
Optional updateCenter = updateCenterMatrixFactory.getUpdateCenter(true);
if (updateCenter.isPresent()) {
List installablePlugins = updateCenter.get().findInstallablePlugins(pluginKey, version);
checkRequest(!installablePlugins.isEmpty(), "Error while downloading plugin '%s' with version '%s'. No compatible plugin found.", pluginKey, version.getName());
for (Release release : installablePlugins) {
try {
downloadRelease(release);
} catch (Exception e) {
String message = String.format("Fail to download the plugin (%s, version %s) from %s (error is : %s)",
release.getArtifact().getKey(), release.getVersion().getName(), release.getDownloadUrl(), e.getMessage());
LOG.debug(message, e);
throw new IllegalStateException(message, e);
}
}
}
}
private void downloadRelease(Release release) throws URISyntaxException, IOException {
String url = release.getDownloadUrl();
URI uri = new URI(url);
if (url.startsWith("file:")) {
// used for tests
File file = toFile(uri.toURL());
copyFileToDirectory(file, downloadDir);
} else {
String filename = substringAfterLast(uri.getPath(), "/");
if (!filename.endsWith("." + PLUGIN_EXTENSION)) {
filename = release.getKey() + "-" + release.getVersion() + "." + PLUGIN_EXTENSION;
}
File targetFile = new File(downloadDir, filename);
File tempFile = new File(downloadDir, filename + "." + TMP_SUFFIX);
downloader.download(uri, tempFile);
copyFile(tempFile, targetFile);
deleteQuietly(tempFile);
}
}
private static Collection listTempFile(File dir) {
return FileUtils.listFiles(dir, new String[] {TMP_SUFFIX}, false);
}
private static Collection listPlugins(File dir) {
return FileUtils.listFiles(dir, new String[] {PLUGIN_EXTENSION}, false);
}
}
