gateway.auth.PiazzaBasicAuthenticationProvider.java Source code

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Here is the source code for gateway.auth.PiazzaBasicAuthenticationProvider.java

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/**
 * Copyright 2016, RadiantBlue Technologies, Inc.
 * 
 * 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 gateway.auth;

import java.util.ArrayList;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.stereotype.Component;

import model.response.AuthenticationResponse;
import util.PiazzaLogger;

/**
 * Custom Authentication Provider to authentication the provided username and credential in the 'Authorization' request
 * header field.
 * 
 * @author Russell.Orf
 * 
 */
@Component
public class PiazzaBasicAuthenticationProvider implements AuthenticationProvider {
    @Autowired
    private PiazzaLogger logger;
    @Autowired
    private UserDetailsBean userDetails;

    private final static Logger LOGGER = LoggerFactory.getLogger(PiazzaBasicAuthenticationProvider.class);

    public PiazzaBasicAuthenticationProvider() {
        super();
    }

    @Override
    public Authentication authenticate(Authentication authentication) throws AuthenticationException {
        try {
            AuthenticationResponse response = userDetails.getAuthenticationDecision(authentication.getName());
            if (response.getAuthenticated()) {
                return new UsernamePasswordAuthenticationToken(response.getUsername(), null, new ArrayList<>());
            }
        } catch (Exception exception) {
            String error = String.format("Error retrieving UUID: %s.", exception.getMessage());
            logger.log(error, PiazzaLogger.ERROR);
            LOGGER.error(error, exception);
        }
        return null;
    }

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