// Copyright (C) 2009 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.lifecycle.LifecycleModule;
import com.google.gerrit.server.CurrentUser;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.RemotePeer;
import com.google.gerrit.server.config.FactoryModule;
import com.google.gerrit.server.config.GerritRequestModule;
import com.google.gerrit.server.git.WorkQueue;
import com.google.gerrit.server.ssh.SshInfo;
import com.google.gerrit.sshd.args4j.SocketAddressHandler;
import com.google.gerrit.sshd.commands.DefaultCommandModule;
import com.google.gerrit.util.cli.CmdLineParser;
import com.google.gerrit.util.cli.OptionHandlerFactory;
import com.google.gerrit.util.cli.OptionHandlerUtil;
import com.google.inject.Key;
import com.google.inject.TypeLiteral;
import com.google.inject.assistedinject.FactoryProvider;
import com.google.inject.servlet.RequestScoped;
import org.apache.sshd.common.KeyPairProvider;
import org.apache.sshd.server.CommandFactory;
import org.kohsuke.args4j.spi.OptionHandler;
import java.net.SocketAddress;
import static com.google.inject.Scopes.SINGLETON;
/** Configures standard dependencies for {@link SshDaemon}. */
public class SshModule extends FactoryModule {
@Override
protected void configure() {
bindScope(RequestScoped.class, SshScope.REQUEST);
configureRequestScope();
configureCmdLineParser();
bind(SshLog.class);
bind(SshInfo.class).to(SshDaemon.class).in(SINGLETON);
factory(DispatchCommand.Factory.class);
bind(DispatchCommandProvider.class).annotatedWith(Commands.CMD_ROOT)
.toInstance(new DispatchCommandProvider("", Commands.CMD_ROOT));
bind(CommandFactoryProvider.class);
bind(CommandFactory.class).toProvider(CommandFactoryProvider.class);
bind(WorkQueue.Executor.class).annotatedWith(StreamCommandExecutor.class)
.toProvider(StreamCommandExecutorProvider.class).in(SINGLETON);
bind(QueueProvider.class).to(CommandExecutorQueueProvider.class).in(SINGLETON);
bind(KeyPairProvider.class).toProvider(HostKeyProvider.class).in(SINGLETON);
install(new DefaultCommandModule());
install(new LifecycleModule() {
@Override
protected void configure() {
listener().to(SshLog.class);
listener().to(SshDaemon.class);
}
});
}
private void configureRequestScope() {
bind(SshScope.Context.class).toProvider(SshScope.ContextProvider.class);
bind(SshSession.class).toProvider(SshScope.SshSessionProvider.class).in(
SshScope.REQUEST);
bind(SocketAddress.class).annotatedWith(RemotePeer.class).toProvider(
SshRemotePeerProvider.class).in(SshScope.REQUEST);
bind(CurrentUser.class).toProvider(SshCurrentUserProvider.class).in(
SshScope.REQUEST);
bind(IdentifiedUser.class).toProvider(SshIdentifiedUserProvider.class).in(
SshScope.REQUEST);
bind(WorkQueue.Executor.class).annotatedWith(CommandExecutor.class)
.toProvider(CommandExecutorProvider.class).in(SshScope.REQUEST);
install(new GerritRequestModule());
}
private void configureCmdLineParser() {
factory(CmdLineParser.Factory.class);
// registerOptionHandler(ProjectControl.class, ProjectControlHandler.class);
registerOptionHandler(SocketAddress.class, SocketAddressHandler.class);
}
private <T> void registerOptionHandler(Class<T> type,
Class<? extends OptionHandler<T>> impl) {
final Key<OptionHandlerFactory<T>> key = OptionHandlerUtil.keyFor(type);
final TypeLiteral<OptionHandlerFactory<T>> factoryType =
new TypeLiteral<OptionHandlerFactory<T>>() {};
final TypeLiteral<? extends OptionHandler<T>> implType =
TypeLiteral.get(impl);
bind(key).toProvider(FactoryProvider.newFactory(factoryType, implType));
}
}