/*
* Copyright (c) 2005-2011 Grameen Foundation USA
* All rights reserved.
*
* 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.
*
* See also http://www.apache.org/licenses/LICENSE-2.0.html for an
* explanation of the license and how it is applied.
*/
package org.mifos.security;
import org.apache.commons.lang.StringUtils;
import org.mifos.customers.personnel.persistence.PersonnelDao;
import org.mifos.security.login.util.helpers.LoginConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.context.SecurityContextImpl;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsChecker;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
public class AuthenticationAuthorizationServiceFacadeImpl implements AuthenticationAuthorizationServiceFacade {
private final PersonnelDao personnelDao;
private final UserDetailsChecker userDetailsChecker;
@Autowired
public AuthenticationAuthorizationServiceFacadeImpl(PersonnelDao personnelDao, UserDetailsChecker userDetailsChecker) {
this.personnelDao = personnelDao;
this.userDetailsChecker = userDetailsChecker;
}
/**
* used by spring security when authenticating user at login.
*/
@Override
public UserDetails loadUserByUsername(final String username) throws UsernameNotFoundException, DataAccessException {
if (StringUtils.isBlank(username)) {
throw new UsernameNotFoundException(LoginConstants.KEYINVALIDUSER);
}
MifosUser userDetails = personnelDao.findAuthenticatedUserByUsername(username);
if (userDetails == null) {
throw new UsernameNotFoundException(LoginConstants.KEYINVALIDUSER);
}
userDetailsChecker.check(userDetails);
return userDetails;
}
@Override
public void reloadUserDetailsForSecurityContext(String username) {
UserDetails userSecurityDetails = loadUserByUsername(username);
MifosUser reloadedUserDetails = (MifosUser) userSecurityDetails;
SecurityContext securityContext = SecurityContextHolder.getContext();
if (securityContext == null) {
securityContext = new SecurityContextImpl();
SecurityContextHolder.setContext(securityContext);
}
Authentication authentication = new UsernamePasswordAuthenticationToken(reloadedUserDetails, reloadedUserDetails, reloadedUserDetails.getAuthorities());
securityContext.setAuthentication(authentication);
}
}