/**
* Abiquo community edition
* cloud management application for hybrid clouds
* Copyright (C) 2008-2010 - Abiquo Holdings S.L.
*
* This application is free software; you can redistribute it and/or
* modify it under the terms of the GNU LESSER GENERAL PUBLIC
* LICENSE as published by the Free Software Foundation under
* version 3 of the License
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* LESSER GENERAL PUBLIC LICENSE v.3 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.abiquo.api.services;
import java.util.Date;
import java.util.Random;
import javax.persistence.EntityManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.providers.encoding.Md5PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.abiquo.server.core.enterprise.EnterpriseRep;
/**
* Provides the basic functionalities to operate one time token.
* <p>
* <b>IMPORTANT</b>: This class is still not used. Token generation is performed in server.
*
* @author ssedano
*/
@Service
@Transactional(readOnly = true)
public class OneTimeTokenService extends DefaultApiService
{
private Logger LOGGER = LoggerFactory.getLogger(OneTimeTokenService.class);
@Autowired
private EnterpriseRep repo;
public OneTimeTokenService()
{
}
public OneTimeTokenService(final EntityManager em)
{
repo = new EnterpriseRep(em);
}
/**
* Generates a valid and persisted one time token to be used as an authentication header in http
* petitions.
*/
@Transactional(readOnly = false, propagation = Propagation.REQUIRED)
public String generateOneTimeToken()
{
LOGGER.debug("generateOneTimeToken: generating token... ");
String token = generateToken();
repo.persistToken(token);
LOGGER.debug("generateOneTimeToken: token generated!");
return token;
}
/**
* Generates a pseudorandom string to be used as a token.
*
* @return string.
*/
private String generateToken()
{
Md5PasswordEncoder enconde = new Md5PasswordEncoder();
enconde.setEncodeHashAsBase64(true);
Long rawPass = new Date().getTime() * new Random().nextLong();
String token = enconde.encodePassword(rawPass.toString(), null);
return token;
}
}