de.mpg.mpdl.inge.aa.web.client.EscidocAaClientFinish.java Source code

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Here is the source code for de.mpg.mpdl.inge.aa.web.client.EscidocAaClientFinish.java

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/*
 * 
 * CDDL HEADER START
 * 
 * The contents of this file are subject to the terms of the Common Development and Distribution
 * License, Version 1.0 only (the "License"). You may not use this file except in compliance with
 * the License.
 * 
 * You can obtain a copy of the license at license/ESCIDOC.LICENSE or
 * http://www.escidoc.org/license. See the License for the specific language governing permissions
 * and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL HEADER in each file and include the License
 * file at license/ESCIDOC.LICENSE. If applicable, add the following below this CDDL HEADER, with
 * the fields enclosed by brackets "[]" replaced with your own identifying information: Portions
 * Copyright [yyyy] [name of copyright owner]
 * 
 * CDDL HEADER END
 */
/*
 * Copyright 2006-2012 Fachinformationszentrum Karlsruhe Gesellschaft fr
 * wissenschaftlich-technische Information mbH and Max-Planck- Gesellschaft zur Frderung der
 * Wissenschaft e.V. All rights reserved. Use is subject to license terms.
 */
package de.mpg.mpdl.inge.aa.web.client;

import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.codec.binary.Base64;

import de.escidoc.www.services.aa.UserAccountHandler;
import de.mpg.mpdl.inge.aa.AuthenticationVO;
import de.mpg.mpdl.inge.aa.AuthenticationVO.Grant;
import de.mpg.mpdl.inge.aa.AuthenticationVO.Role;
import de.mpg.mpdl.inge.aa.AuthenticationVO.Type;
import de.mpg.mpdl.inge.framework.ServiceLocator;
import de.mpg.mpdl.inge.model.valueobjects.AccountUserVO;
import de.mpg.mpdl.inge.model.valueobjects.GrantVO;
import de.mpg.mpdl.inge.xmltransforming.xmltransforming.XmlTransformingBean;

/**
 * TODO Description
 * 
 * @author franke (initial creation)
 * @author $Author$ (last modification)
 * @version $Revision$ $LastChangedDate$
 */

public class EscidocAaClientFinish extends FinalClient {

    @Override
    protected AuthenticationVO finalizeAuthentication(HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        String escidocUserHandle = request.getParameter("eSciDocUserHandle");

        if (escidocUserHandle != null) {
            try {
                escidocUserHandle = new String(Base64.decodeBase64(escidocUserHandle.getBytes()));
                UserAccountHandler userAccountHandler = ServiceLocator.getUserAccountHandler(escidocUserHandle);
                String accountData = userAccountHandler.retrieveCurrentUser();
                AccountUserVO accountUserVO = new XmlTransformingBean().transformToAccountUser(accountData);
                String grantData = userAccountHandler
                        .retrieveCurrentGrants(accountUserVO.getReference().getObjectId());
                List<GrantVO> grants = new XmlTransformingBean().transformToGrantVOList(grantData);
                if (grants != null) {
                    accountUserVO.getGrants().addAll(grants);
                }

                AuthenticationVO authenticationVO = new AuthenticationVO();
                authenticationVO.setType(Type.USER);
                authenticationVO.setUsername(accountUserVO.getUserid());
                authenticationVO.setUserId(accountUserVO.getReference().getObjectId());
                authenticationVO.setFullName(accountUserVO.getName());

                for (GrantVO grantVO : accountUserVO.getGrants()) {
                    if (grantVO.getObjectRef() == null) {
                        Role role = authenticationVO.new Role();

                        role.setKey(grantVO.getRole());
                        authenticationVO.getRoles().add(role);
                        authenticationVO.getRoles().add(role);
                    } else {
                        Grant grant = authenticationVO.new Grant();
                        grant.setKey(grantVO.getRole());
                        grant.setValue(grantVO.getObjectRef());
                        authenticationVO.getGrants().add(grant);
                    }
                }
                return authenticationVO;
            } catch (Exception e) {
                throw new ServletException(e);
            }
        }
        return null;
    }
}