/*
 * 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.PasswordAuthenticator;
import org.apache.sshd.server.session.ServerSession;

import com.gitblit.manager.IAuthenticationManager;
import com.gitblit.models.UserModel;

/**
 *
 * @author James Moger
 *
 */
public class SshPasswordAuthenticator implements PasswordAuthenticator {

	protected final IAuthenticationManager authManager;

	public SshPasswordAuthenticator(IAuthenticationManager authManager) {
		this.authManager = authManager;
	}

	@Override
	public boolean authenticate(String username, String password, ServerSession session) {
		username = username.toLowerCase(Locale.US);
		UserModel user = authManager.authenticate(username, password.toCharArray());
		if (user != null) {
			SshSession sd = session.getAttribute(SshSession.KEY);
			sd.authenticationSuccess(username);
			return true;
		}
		return false;
	}
}