// Copyright (C) 2008 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.google.gerrit.sshd;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.sshd.SshScope.Context;
import com.google.inject.Inject;
import org.apache.sshd.server.Environment;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.lib.Repository;
import org.kohsuke.args4j.Argument;
import java.io.IOException;
public abstract class AbstractGitCommand extends BaseCommand {
@Argument(index = 0, metaVar = "PROJECT.git", required = true, usage = "project name")
private String repoPath;
protected String projectName() {
String projectName = repoPath;
if (projectName.endsWith(".git")) {
// Be nice and drop the trailing ".git" suffix, which we never keep
// in our database, but clients might mistakenly provide anyway.
//
projectName = projectName.substring(0, projectName.length() - 4);
}
if (projectName.startsWith("/")) {
// Be nice and drop the leading "/" if supplied by an absolute path.
// We don't have a file system hierarchy, just a flat namespace in
// the database's Project entities. We never encode these with a
// leading '/' but users might accidentally include them in Git URLs.
//
projectName = projectName.substring(1);
}
return projectName;
}
@Inject
private GitRepositoryManager repoManager;
@Inject
private SshSession session;
@Inject
private SshScope.Context context;
@Inject
private IdentifiedUser user;
@Inject
private IdentifiedUser.GenericFactory userFactory;
protected Repository repo;
@Override
public void start(final Environment env) {
Context ctx = context.subContext(newSession(), context.getCommandLine());
final Context old = SshScope.set(ctx);
try {
startThread(new ProjectCommandRunnable() {
@Override
public void executeParseCommand() throws Exception {
parseCommandLine();
}
@Override
public void run() throws Exception {
AbstractGitCommand.this.service();
}
@Override
public String getProjectName() {
return projectName();
}
});
} finally {
SshScope.set(old);
}
}
private SshSession newSession() {
return new SshSession(session, session.getRemoteAddress(), userFactory
.create(user.getUserName()));
}
private void service() throws IOException, Failure {
try {
repo = repoManager.openRepository(projectName());
} catch (RepositoryNotFoundException e) {
throw new Failure(1, "fatal: '" + projectName() + "': not a git archive", e);
}
try {
runImpl();
} finally {
repo.close();
}
}
protected abstract void runImpl() throws IOException, Failure;
}