com.google.gerrit.sshd.GerritGSSAuthenticator Maven / Gradle / Ivy
// Copyright (C) 2016 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.reviewdb.client.Account;
import com.google.gerrit.server.IdentifiedUser;
import com.google.gerrit.server.IdentifiedUser.GenericFactory;
import com.google.gerrit.server.account.AccountCache;
import com.google.gerrit.server.account.AccountState;
import com.google.gerrit.server.config.GerritServerConfig;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.util.Locale;
import java.util.Optional;
import org.apache.sshd.server.auth.gss.GSSAuthenticator;
import org.apache.sshd.server.session.ServerSession;
import org.eclipse.jgit.lib.Config;
/** Authenticates users with kerberos (gssapi-with-mic). */
@Singleton
class GerritGSSAuthenticator extends GSSAuthenticator {
private final AccountCache accounts;
private final SshScope sshScope;
private final SshLog sshLog;
private final GenericFactory userFactory;
private final Config config;
@Inject
GerritGSSAuthenticator(
AccountCache accounts,
SshScope sshScope,
SshLog sshLog,
IdentifiedUser.GenericFactory userFactory,
@GerritServerConfig Config config) {
this.accounts = accounts;
this.sshScope = sshScope;
this.sshLog = sshLog;
this.userFactory = userFactory;
this.config = config;
}
@Override
public boolean validateIdentity(ServerSession session, String identity) {
SshSession sd = session.getAttribute(SshSession.KEY);
int at = identity.indexOf('@');
String username;
if (at == -1) {
username = identity;
} else {
username = identity.substring(0, at);
}
if (config.getBoolean("auth", "userNameToLowerCase", false)) {
username = username.toLowerCase(Locale.US);
}
Optional account =
accounts.getByUsername(username).map(AccountState::getAccount).filter(Account::isActive);
if (!account.isPresent()) {
return false;
}
return SshUtil.success(
username,
session,
sshScope,
sshLog,
sd,
SshUtil.createUser(sd, userFactory, account.get().getId()));
}
}