/**
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, version 2.1, dated February 1999.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the latest version of the GNU Lesser General
* Public License as published by the Free Software Foundation;
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program (LICENSE.txt); if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.jamwiki.authentication;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.jamwiki.WikiBase;
import org.jamwiki.model.Role;
import org.jamwiki.utils.WikiUtil;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.DataAccessResourceFailureException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
/**
* Loads user data from JAMWiki database.
*
* @author Rainer Schmitz
* @version $Id: $
* @since 28.11.2006
*/
public class JAMWikiDaoImpl implements UserDetailsService {
/*
* (non-Javadoc)
*
* @see org.springframework.security.userdetails.UserDetailsService#loadUserByUsername(java.lang.String)
*/
public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException, DataAccessException {
if (StringUtils.isBlank(username)) {
throw new UsernameNotFoundException("Cannot retrieve user without a valid username");
}
String encryptedPassword = null;
try {
encryptedPassword = WikiBase.getDataHandler().lookupWikiUserEncryptedPassword(username);
} catch (org.jamwiki.DataAccessException e) {
throw new DataAccessResourceFailureException("Unable to retrieve authorities for user: " + username, e);
}
if (encryptedPassword == null) {
throw new UsernameNotFoundException("Failure retrieving user information for " + username);
}
Collection<GrantedAuthority> authorities = this.retrieveUserAuthorities(username);
return new WikiUserDetails(username, encryptedPassword, true, true, true, true, authorities);
}
/**
*
*/
private Collection<GrantedAuthority> retrieveUserAuthorities(String username) throws DataAccessException {
if (WikiUtil.isFirstUse() || WikiUtil.isUpgrade()) {
return new ArrayList<GrantedAuthority>();
}
// add authorities given to all users
Collection<GrantedAuthority> results = new ArrayList<GrantedAuthority>();
if (JAMWikiAuthenticationConfiguration.getDefaultGroupRoles() != null) {
results.addAll(JAMWikiAuthenticationConfiguration.getDefaultGroupRoles());
}
// add authorities specific to this user
if (!StringUtils.isBlank(username)) {
// FIXME - log error for blank username? RegisterServlet will trigger that.
try {
List<Role> roles = WikiBase.getDataHandler().getRoleMapUser(username);
if (roles != null) {
for (Role role : roles) {
results.add((RoleImpl)role);
}
}
} catch (org.jamwiki.DataAccessException e) {
throw new DataAccessResourceFailureException("Unable to retrieve authorities for user: " + username, e);
}
}
return results;
}
}