ru.ttk.baloo.rest.security.oauth.CustomUserAuthenticationProvider.java Source code

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Here is the source code for ru.ttk.baloo.rest.security.oauth.CustomUserAuthenticationProvider.java

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/**
 * Copyright (c) 2013-2014 Eugene Kalinin
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 ru.ttk.baloo.rest.security.oauth;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.stereotype.Service;
import ru.ttk.baloo.rest.services.IRemoteUser;
import ru.ttk.baloo.rest.services.IRemoteUserFinder;

import javax.inject.Inject;
import java.util.ArrayList;
import java.util.List;

import static ru.ttk.baloo.rest.security.oauth.OAuthUtils.WRONG_USER_CREDENTIALS;

/**
 *
 */
@Service
public class CustomUserAuthenticationProvider implements AuthenticationProvider {

    private final static Logger LOG = LoggerFactory.getLogger(CustomUserAuthenticationProvider.class);

    @Inject
    IRemoteUserFinder remoteServiceFindUser;

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {

        LOG.info("Going to process authentication: " + authentication);
        if (authentication != null && authentication.getPrincipal() != null
                && authentication.getCredentials() != null) {

            LOG.info("authentication principal: " + authentication.getPrincipal());
            LOG.info("authentication credentials: " + authentication.getCredentials());

            /*
             * authentication.getPrincipal() <=> userName
             * authentication.getCredentials() <=> password
             */
            IRemoteUser remoteUser = remoteServiceFindUser.findUser(authentication.getPrincipal().toString(),
                    authentication.getCredentials().toString());
            if (remoteUser != null) {
                List<GrantedAuthority> grantedAuthorities = new ArrayList<GrantedAuthority>();
                CustomUserPasswordAuthenticationToken auth = new CustomUserPasswordAuthenticationToken(
                        authentication.getPrincipal(), authentication.getCredentials(), grantedAuthorities);
                return auth;
            }
        }
        throw new BadCredentialsException(WRONG_USER_CREDENTIALS);
    }

    @Override
    public boolean supports(Class<? extends Object> authentication) {
        return true;
    }

}