001    //$HeadURL$
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    
037    package org.deegree.security;
038    
039    import java.util.Map;
040    
041    import javax.servlet.http.HttpServletRequest;
042    
043    import org.deegree.framework.log.ILogger;
044    import org.deegree.framework.log.LoggerFactory;
045    import org.deegree.i18n.Messages;
046    import org.deegree.security.drm.SecurityAccessManager;
047    import org.deegree.security.drm.WrongCredentialsException;
048    import org.deegree.security.drm.model.User;
049    
050    /**
051     * 
052     * 
053     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
054     * @author last edited by: $Author: poth $
055     * 
056     * @version $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
057     */
058    public class UserPrincipalAuthentication extends AbstractAuthentication {
059    
060        private static final ILogger LOG = LoggerFactory.getLogger( UserPrincipalAuthentication.class );
061    
062        protected static final String AUTH_PARAM_USERPRINCIPAL = "USERPRINCIPAL";
063    
064        /**
065         * 
066         * @param authenticationName
067         * @param initParams
068         */
069        public UserPrincipalAuthentication( String authenticationName, Map<String, String> initParams ) {
070            super( authenticationName, initParams );
071        }
072    
073        /*
074         * (non-Javadoc)
075         * 
076         * @see org.deegree.security.AbstractAuthentication#authenticate(java.util.Map,
077         * javax.servlet.http.HttpServletRequest)
078         */
079        public User authenticate( Map<String, String> params, HttpServletRequest request )
080                                throws WrongCredentialsException {
081            String user = params.get( AUTH_PARAM_USERPRINCIPAL );
082    
083            LOG.logDebug( "USER: ", user );
084            User usr = null;
085            if ( user != null ) {
086                try {
087                    SecurityAccessManager sam = SecurityAccessManager.getInstance();
088                    usr = sam.getUserByName( user );
089                    try {
090                        usr.authenticate( null );
091                    } catch ( Exception e ) {
092                        LOG.logWarning( "no authentication of user: " + user + " without password" );
093                    }
094                    if ( !usr.isAuthenticated() ) {
095                        LOG.logDebug( "authenticate user: " + user + " with password: " + user );
096                        usr.authenticate( user );
097                    }
098                } catch ( Exception e ) {
099                    LOG.logWarning( "no authentication of user: " + user + " with password: " + user );
100                    LOG.logError( e.getMessage() );
101                    throw new WrongCredentialsException( Messages.getMessage( "OWSPROXY_USER_AUTH_ERROR", user ) );
102                }
103            }
104    
105            return usr;
106        }
107    
108    }