/*
* Copyright (c) 2009-2012 Lockheed Martin Corporation
*
* 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.
*/
package org.eurekastreams.server.service.security.openaccess;
import org.springframework.security.Authentication;
import org.springframework.security.providers.AuthenticationProvider;
import org.springframework.security.providers.UsernamePasswordAuthenticationToken;
import org.springframework.security.userdetails.UserDetails;
import org.springframework.security.userdetails.UserDetailsChecker;
import org.springframework.security.userdetails.UserDetailsService;
/**
* This class provides an extremely basic Authentication Provider. This is NOT intended for production setup because
* this will allow any user that is in the database to login by just supplying their username.
*
* This provider works well for quick startups/demos or development environments.
*
* WARNING - THIS IS NOT SECURE - DO NOT USE FOR PRODUCTION CONFIGURATION.
*/
public class OpenAccessAuthenticationProvider implements AuthenticationProvider
{
/** For fetching user account information about the user being authenticated. */
private final UserDetailsService userDetailsService;
/** For validating the user's account. */
private final UserDetailsChecker userDetailsChecker;
/**
* Constructor.
*
* @param inUserDetailsService
* For fetching user account information about the user being authenticated.
* @param inUserDetailsChecker
* For validating the user's account.
*/
public OpenAccessAuthenticationProvider(final UserDetailsService inUserDetailsService,
final UserDetailsChecker inUserDetailsChecker)
{
userDetailsService = inUserDetailsService;
userDetailsChecker = inUserDetailsChecker;
}
/**
* {@inheritDoc}
*/
public Authentication authenticate(final Authentication authentication)
{
UsernamePasswordAuthenticationToken userToken = (UsernamePasswordAuthenticationToken) authentication;
UserDetails currentUserDets = userDetailsService.loadUserByUsername(userToken.getName());
userDetailsChecker.check(currentUserDets);
return new UsernamePasswordAuthenticationToken(currentUserDets, userToken.getCredentials(),
currentUserDets.getAuthorities());
}
/**
* {@inheritDoc}
*/
public boolean supports(final Class authentication)
{
return true;
}
}