    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/ogcwebservices/wass/was/operation/DescribeUserHandler.java $
    002    /*----------------------------------------------------------------------------
    003     This file is part of deegree, http://deegree.org/
    004     Copyright (C) 2001-2009 by:
    005       Department of Geography, University of Bonn
    006     and
    007       lat/lon GmbH
    008
    009     This library is free software; you can redistribute it and/or modify it under
    010     the terms of the GNU Lesser General Public License as published by the Free
    011     Software Foundation; either version 2.1 of the License, or (at your option)
    012     any later version.
    013     This library is distributed in the hope that it will be useful, but WITHOUT
    014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
    016     details.
    017     You should have received a copy of the GNU Lesser General Public License
    018     along with this library; if not, write to the Free Software Foundation, Inc.,
    019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
    020
    021     Contact information:
    022
    023     lat/lon GmbH
    024     Aennchenstr. 19, 53177 Bonn
    025     Germany
    026     http://lat-lon.de/
    027
    028     Department of Geography, University of Bonn
    029     Prof. Dr. Klaus Greve
    030     Postfach 1147, 53001 Bonn
    031     Germany
    032     http://www.geographie.uni-bonn.de/deegree/
    033
    034     e-mail: info@deegree.org
    035    ----------------------------------------------------------------------------*/
    036    package org.deegree.ogcwebservices.wass.was.operation;
    037
    038    import java.io.IOException;
    039
    040    import org.deegree.framework.log.ILogger;
    041    import org.deegree.framework.log.LoggerFactory;
    042    import org.deegree.framework.xml.XMLParsingException;
    043    import org.deegree.i18n.Messages;
    044    import org.deegree.ogcwebservices.OGCWebServiceException;
    045    import org.deegree.ogcwebservices.wass.common.WASSSecurityManager;
    046    import org.deegree.security.GeneralSecurityException;
    047    import org.deegree.security.drm.SecurityAccessManager;
    048    import org.deegree.security.drm.model.User;
    049    import org.deegree.security.session.MemoryBasedSessionManager;
    050    import org.deegree.security.session.Session;
    051    import org.deegree.security.session.SessionStatusException;
    052    import org.xml.sax.SAXException;
    053
    054    /**
    055     * <code>DescribeUserHandler</code> is the handler class for the deegree specific DescribeUser
    056     * operation.
    057     *
    058     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
    059     * @author last edited by: $Author: mschneider $
    060     *
    061     * @version 2.0, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    062     *
    063     * @since 2.0
    064     */
    065
    066    public class DescribeUserHandler {
    067
    068        private WASSSecurityManager manager;
    069
    070        private MemoryBasedSessionManager sessionManager;
    071
    072        private static final ILogger LOG = LoggerFactory.getLogger( DescribeUserHandler.class );
    073
    074        /**
    075         * Constructs new handler with the specified manager as its data source.
    076         *
    077         * @param manager the source of the user data
    078         */
    079        public DescribeUserHandler( WASSSecurityManager manager ) {
    080            this.manager = manager;
    081            this.sessionManager = MemoryBasedSessionManager.getInstance();
    082        }
    083
    084        /**
    085         * Handles a DescribeUser request.
    086         *
    087         * @param request the request to handle
    088         * @throws OGCWebServiceException
    089         * @throws GeneralSecurityException
    090         * @return an XML document containing the requested information
    091         */
    092        public DescribeUserResponse handleRequest( DescribeUser request )
    093                                     throws OGCWebServiceException, GeneralSecurityException {
    094            SecurityAccessManager sam = manager.getSecurityAccessManager();
    095            Session session = null;
    096            try {
    097                session = sessionManager.getSessionByID( request.getSessionID() );
    098            } catch ( SessionStatusException e ) {
    099                LOG.logError( e.getLocalizedMessage(), e );
    100                throw new OGCWebServiceException( "DescribeUserHandler: ", Messages.getMessage( "WASS_ERROR_INVALID_SESSION", "WASS" ) );
    101            }
    102
    103            if( session == null ) throw new OGCWebServiceException( "DescribeUserHandler: ",
    104                                                                    Messages.getMessage( "WASS_ERROR_INVALID_SESSION", "WASS" ) );
    105
    106            if( ! session.isAlive() ) throw new OGCWebServiceException( "DescribeUserHandler: ",
    107                                                                        Messages.getMessage( "WASS_ERROR_SESSION_EXPIRED", "WASS" ) );
    108
    109            String username = session.getUser();
    110
    111            User user = sam.getUserByName( username );
    112
    113            DescribeUserResponse response = null;
    114
    115            try{
    116                response = new DescribeUserResponse( user, request.getSessionID() );
    117            } catch ( SAXException saxe ) {
    118                LOG.logError( saxe.getLocalizedMessage(), saxe );
    119                throw new OGCWebServiceException( "DescribeUserHandler: ",
    120                                                  Messages.getMessage( "WASS_" +
    121                                                                   "ERROR_RESOURCE_WRONG_FORMAT",
    122                                                                   DescribeUserResponse.XML_TEMPLATE ) );
    123            } catch ( IOException ioe ) {
    124                LOG.logError( ioe.getLocalizedMessage(), ioe );
    125                throw new OGCWebServiceException( "DescribeUserHandler: ",
    126                                                  Messages.getMessage( "WASS_" +
    127                                                                   "ERROR_RESOURCE_NOT_FOUND",
    128                                                                   DescribeUserResponse.XML_TEMPLATE ) );
    129            } catch ( XMLParsingException xmlpe ) {
    130                LOG.logError( xmlpe.getLocalizedMessage(), xmlpe );
    131                throw new OGCWebServiceException( "DescribeUserHandler: ",
    132                                                  Messages.getMessage( "WASS_" +
    133                                                                   "ERROR_RESOURCE_WRONG_FORMAT",
    134                                                                   DescribeUserResponse.XML_TEMPLATE ) );
    135            }
    136
    137            return response;
    138        }
    139
    140    }