edu.uchicago.duo.security.DuoAuthenticationDetailsSource.java Source code

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Here is the source code for edu.uchicago.duo.security.DuoAuthenticationDetailsSource.java

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/**
 * Copyright 2014 University of Chicago
 *
 * 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.
 *
 * Author: Daniel Yu <danielyu@uchicago.edu>
 */

package edu.uchicago.duo.security;

import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.authentication.AuthenticationDetailsSource;
import org.springframework.security.authentication.AuthenticationServiceException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthoritiesContainer;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.web.authentication.preauth.PreAuthenticatedGrantedAuthoritiesWebAuthenticationDetails;
import org.springframework.util.StringUtils;

public class DuoAuthenticationDetailsSource
        implements AuthenticationDetailsSource<HttpServletRequest, GrantedAuthoritiesContainer> {

    protected final Log log = LogFactory.getLog(getClass());

    @Override
    public GrantedAuthoritiesContainer buildDetails(HttpServletRequest request) {

        List gal = new ArrayList();
        try {
            GrantedAuthority ga = null;

            if (StringUtils.hasLength(request.getHeader("uid"))) {
                ga = new SimpleGrantedAuthority("ROLE_USER");
            } else {
                ga = new SimpleGrantedAuthority("ROLE_ANONYMOUS");
            }

            log.debug("UID=" + request.getHeader("uid") + "|Granted:" + ga);

            gal.add(ga);
        } catch (Exception e) {
            throw new AuthenticationServiceException("Error..", e);
        }

        return new PreAuthenticatedGrantedAuthoritiesWebAuthenticationDetails(request, gal);
    }
}