| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.googlesource.gerrit.plugins.cookbook.pluginprovider; |
| |
| import com.google.gerrit.extensions.annotations.PluginData; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.server.config.SitePaths; |
| import com.google.gerrit.sshd.CommandMetaData; |
| import com.google.gerrit.sshd.SshCommand; |
| import com.google.inject.Inject; |
| |
| import org.kohsuke.args4j.Argument; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** SSH command defined by dynamically registered plugins. */ |
| @CommandMetaData(name = "cat", description = "Print content of plugin file") |
| public final class HelloSshCommand extends SshCommand { |
| private final String pluginName; |
| private final Path pluginDir; |
| private final Path dataDir; |
| |
| @Argument(usage = "files in data directory to print") |
| private List<String> files = new ArrayList<>(); |
| |
| @Inject |
| public HelloSshCommand(@PluginName String pluginName, |
| SitePaths sitePaths, |
| @PluginData Path dataDir) { |
| this.pluginName = pluginName; |
| this.pluginDir = sitePaths.plugins_dir.normalize(); |
| this.dataDir = dataDir.normalize(); |
| } |
| |
| @Override |
| public void run() { |
| Path pluginPath = pluginDir.resolve(pluginName + ".ssh"); |
| printOne(pluginPath); |
| for (String name : files) { |
| Path p = dataDir.resolve(name).normalize(); |
| if (!p.startsWith(dataDir)) { |
| throw new RuntimeException(p + " is outside data directory " + dataDir); |
| } |
| printOne(p); |
| } |
| } |
| |
| private void printOne(Path p) { |
| try { |
| Files.copy(p, out); |
| } catch (IOException e) { |
| try (PrintWriter w = new PrintWriter(err)) { |
| w.write("Error reading contents of "); |
| w.write(p.toAbsolutePath().toString()); |
| w.write(": \n"); |
| e.printStackTrace(w); |
| } |
| } |
| } |
| } |