/**
* File ./src/main/java/de/lemo/dms/service/ServiceLoginAuthentification.java
* Lemo-Data-Management-Server for learning analytics.
* Copyright (C) 2015
* Leonard Kappe, Andreas Pursian, Sebastian Schwarzrock, Boris Wenzlaff
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
/**
* File ./main/java/de/lemo/dms/service/ServiceRoles.java
* Date 2013-01-24
* Project Lemo Learning Analytics
*/
package de.lemo.dms.service;
import java.util.ArrayList;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import org.apache.log4j.Logger;
import org.hibernate.Criteria;
import org.hibernate.Session;
import org.hibernate.criterion.Restrictions;
import de.lemo.dms.connectors.Encoder;
import de.lemo.dms.core.config.ServerConfiguration;
import de.lemo.dms.db.IDBHandler;
import de.lemo.dms.db.mapping.User;
import de.lemo.dms.processing.MetaParam;
import de.lemo.dms.processing.resulttype.ResultListLongObject;
/**
* Service for the authentification of an user
*/
@Path("authentification")
@Produces(MediaType.APPLICATION_JSON)
public class ServiceLoginAuthentification {
private final Logger logger = Logger.getLogger(this.getClass());
@GET
public ResultListLongObject authentificateUser(@QueryParam(MetaParam.USER_NAME) String login) {
final IDBHandler dbHandler = ServerConfiguration.getInstance().getMiningDbHandler();
final Session session = dbHandler.getMiningSession();
final String loginHash = Encoder.createMD5(login);
final Criteria criteria = session.createCriteria(User.class, "users");
criteria.add(Restrictions.eq("users.login", loginHash));
logger.debug("Looking for user:" + login);
@SuppressWarnings("unchecked")
ArrayList<User> results = (ArrayList<User>) criteria.list();
ResultListLongObject res;
if (!results.isEmpty()) {
logger.debug("User found id:" + results.get(0).getId());
ArrayList<Long> l = new ArrayList<Long>();
l.add(0L);
l.add(results.get(0).getId());
res = new ResultListLongObject(l);
} else {
logger.debug("User " + login + " not found!");
res = new ResultListLongObject();
}
session.close();
return res;
}
}