| // 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 org.apache.sshd.server.auth.gss.GSSAuthenticator; |
| import org.apache.sshd.server.session.ServerSession; |
| import org.eclipse.jgit.lib.Config; |
| |
| import java.util.Locale; |
| |
| /** |
| * 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(final ServerSession session, |
| final String identity) { |
| final 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); |
| } |
| AccountState state = accounts.getByUsername(username); |
| Account account = state == null ? null : state.getAccount(); |
| boolean active = account != null && account.isActive(); |
| if (active) { |
| return SshUtil.success(username, session, sshScope, sshLog, sd, |
| SshUtil.createUser(sd, userFactory, account.getId())); |
| } |
| return false; |
| } |
| } |