| /* |
| * Copyright 2014 gitblit.com. |
| * |
| * 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.gitblit.transport.ssh; |
| |
| import java.util.Locale; |
| |
| import org.apache.sshd.server.auth.password.PasswordAuthenticator; |
| import org.apache.sshd.server.session.ServerSession; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.gitblit.manager.IAuthenticationManager; |
| import com.gitblit.models.UserModel; |
| |
| /** |
| * |
| * Authenticates an SSH session with username/password credentials. |
| * |
| * @author James Moger |
| * |
| */ |
| public class UsernamePasswordAuthenticator implements PasswordAuthenticator { |
| |
| protected final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| protected final IAuthenticationManager authManager; |
| |
| public UsernamePasswordAuthenticator(IAuthenticationManager authManager) { |
| this.authManager = authManager; |
| } |
| |
| @Override |
| public boolean authenticate(String username, String password, ServerSession session) { |
| SshDaemonClient client = session.getAttribute(SshDaemonClient.KEY); |
| if (client.getUser() != null) { |
| log.info("{} has already authenticated!", username); |
| return true; |
| } |
| |
| username = username.toLowerCase(Locale.US); |
| UserModel user = authManager.authenticate(username, password.toCharArray(), null); |
| if (user != null) { |
| client.setUser(user); |
| return true; |
| } |
| |
| log.warn("could not authenticate {} ({}) for SSH using the supplied password", username, client.getRemoteAddress()); |
| return false; |
| } |
| } |