001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/ogcwebservices/wass/wss/operation/DoServiceSessionHandler.java $
002    /*----------------    FILE HEADER  ------------------------------------------
003    
004     This file is part of deegree.
005     Copyright (C) 2001-2008 by:
006     EXSE, Department of Geography, University of Bonn
007     http://www.giub.uni-bonn.de/deegree/
008     lat/lon GmbH
009     http://www.lat-lon.de
010    
011     This library is free software; you can redistribute it and/or
012     modify it under the terms of the GNU Lesser General Public
013     License as published by the Free Software Foundation; either
014     version 2.1 of the License, or (at your option) any later version.
015    
016     This library is distributed in the hope that it will be useful,
017     but WITHOUT ANY WARRANTY; without even the implied warranty of
018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
019     Lesser General Public License for more details.
020    
021     You should have received a copy of the GNU Lesser General Public
022     License along with this library; if not, write to the Free Software
023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
024    
025     Contact:
026    
027     Andreas Poth
028     lat/lon GmbH
029     Aennchenstr. 19
030     53115 Bonn
031     Germany
032     E-Mail: poth@lat-lon.de
033    
034     Prof. Dr. Klaus Greve
035     Department of Geography
036     University of Bonn
037     Meckenheimer Allee 166
038     53115 Bonn
039     Germany
040     E-Mail: greve@giub.uni-bonn.de
041    
042     
043     ---------------------------------------------------------------------------*/
044    
045    package org.deegree.ogcwebservices.wass.wss.operation;
046    
047    import org.deegree.framework.log.ILogger;
048    import org.deegree.framework.log.LoggerFactory;
049    import org.deegree.i18n.Messages;
050    import org.deegree.ogcwebservices.wass.common.AuthenticationData;
051    import org.deegree.ogcwebservices.wass.exceptions.DoServiceException;
052    import org.deegree.security.session.MemoryBasedSessionManager;
053    import org.deegree.security.session.Session;
054    import org.deegree.security.session.SessionStatusException;
055    
056    /**
057     * Checks if the session presented from a client is valid.
058     * 
059     * @author <a href="mailto:bezema@lat-lon.de">Rutger Bezema</a>
060     * 
061     * @author last edited by: $Author: apoth $
062     * 
063     * @version 2.0, $Revision: 9345 $, $Date: 2007-12-27 17:22:25 +0100 (Do, 27 Dez 2007) $
064     * 
065     * @since 2.0
066     */
067    
068    public class DoServiceSessionHandler extends DoServiceHandler {
069    
070        private static final ILogger LOG = LoggerFactory.getLogger( DoServiceSessionHandler.class );
071    
072        private final MemoryBasedSessionManager sessionManager;
073    
074        /**
075         * 
076         */
077        public DoServiceSessionHandler() {
078            sessionManager = MemoryBasedSessionManager.getInstance();
079        }
080    
081        @Override
082        public void handleRequest( DoService request )
083                                throws DoServiceException {
084            
085            AuthenticationData authData = request.getAuthenticationData();
086            if ( authData.usesSessionAuthentication() ) {
087                try {
088                    Session ses = sessionManager.getSessionByID( authData.getCredentials() );
089                    if ( ses == null || !ses.isAlive() ){
090                        throw new DoServiceException(
091                                                      Messages.getMessage(
092                                                                       "WASS_ERROR_INVALID_SESSION",
093                                                                       "WSS" ) );
094    
095                    }
096                    setRequestAllowed( true );
097                } catch ( SessionStatusException e ) {
098                    LOG.logError( e.getLocalizedMessage(), e );
099                    throw new DoServiceException( e.getLocalizedMessage(), e );
100                }
101            }
102            
103        }
104    
105    }