eu.freme.common.security.TokenAuthenticationProvider.java Source code

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Here is the source code for eu.freme.common.security.TokenAuthenticationProvider.java

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/**
 * Copyright  2015 Agro-Know, Deutsches Forschungszentrum fr Knstliche Intelligenz, iMinds,
 * Institut fr Angewandte Informatik e. V. an der Universitt Leipzig,
 * Istituto Superiore Mario Boella, Tilde, Vistatec, WRIPL (http://freme-project.eu)
 *
 * 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 eu.freme.common.security;

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.authority.AuthorityUtils;
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken;

import com.google.common.base.Optional;

import eu.freme.common.persistence.model.Token;
import eu.freme.common.persistence.model.User;

/**
 * @author Jan Nehring - jan.nehring@dfki.de
 */
public class TokenAuthenticationProvider implements AuthenticationProvider {

    private TokenService tokenService;

    public TokenAuthenticationProvider(TokenService tokenService) {
        this.tokenService = tokenService;
    }

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        @SuppressWarnings("unchecked")
        Optional<String> token = (Optional<String>) authentication.getPrincipal();
        if (!token.isPresent() || token.get().isEmpty()) {
            throw new BadCredentialsException("Invalid token");
        }

        Token tokenObject = tokenService.retrieve(token.get());
        if (tokenObject == null) {
            throw new BadCredentialsException("Invalid token");
        }

        tokenService.updateLastUsed(tokenObject);

        User user = tokenObject.getUser();
        return new AuthenticationWithToken(user, null,
                AuthorityUtils.commaSeparatedStringToAuthorityList(user.getRole()), tokenObject);
    }

    @Override
    public boolean supports(Class<?> authentication) {
        return authentication.equals(PreAuthenticatedAuthenticationToken.class);
    }
}