org.atomsphere.management.authentication.UserDetailsServiceImpl.java Source code

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Here is the source code for org.atomsphere.management.authentication.UserDetailsServiceImpl.java

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/**
 * Atomsphere is an enterprise mobile application server.
 * Copyright (C) 2011 JatakaSource Ltd.
 *
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Atomsphere 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 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Atomsphere.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.atomsphere.management.authentication;

import org.atomsphere.management.model.authentication.User;
import org.atomsphere.management.svc.authentication.NoDBConnectionException;
import org.atomsphere.management.svc.authentication.UserService;
import org.jatakasource.common.authentication.AuthenticationMessages;
import org.jatakasource.common.properties.MessageSourceUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.dao.DataAccessException;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.transaction.CannotCreateTransactionException;

/**
 * Spring bean defined at common-svc-security-context.xml
 */
public class UserDetailsServiceImpl implements UserDetailsService {
    private static final Logger logger = LoggerFactory.getLogger(UserDetailsServiceImpl.class);

    @Autowired
    private UserService userService;
    @Autowired
    @Qualifier(value = "authenticationMessageSource")
    private ResourceBundleMessageSource authenticationMessageSource;

    @Override
    public UserDetails loadUserByUsername(String userName) throws AuthenticationException, DataAccessException {
        User user = null;

        try {
            // Return member from DB and populate roles.
            user = (User) userService.getUserByUserName(userName);

            if (user == null) {
                if (logger.isDebugEnabled()) {
                    logger.debug("User name " + userName + " is missing in database !!!");
                }
                throw new BadCredentialsException(MessageSourceUtils.getMessage(authenticationMessageSource,
                        AuthenticationMessages.class, AuthenticationMessages.AUTHENTICATION_FAILED.name()));
            }

            user.setAuthorities(AuthenticationUtils.toGrantedAuthority((User) user));

            logger.trace("User: " + user.getUsername() + " grantedAuthorities: " + user.getAuthorities());
        } catch (CannotCreateTransactionException e) {

            logger.error("No connection to the database. Exception: " + e.getMessage());
            if (logger.isDebugEnabled()) {
                logger.debug("No connection to the database. Exception: " + e.getMessage(), e);
            }

            throw new NoDBConnectionException("No connection to the database. Exception: ", e);
        }
        return user;
    }
}