001    //$HeadURL$
002    /*----------------    FILE HEADER  ------------------------------------------
003     This file is part of deegree.
004     Copyright (C) 2001-2008 by:
005     Department of Geography, University of Bonn
006     http://www.giub.uni-bonn.de/deegree/
007     lat/lon GmbH
008     http://www.lat-lon.de
009    
010     This library is free software; you can redistribute it and/or
011     modify it under the terms of the GNU Lesser General Public
012     License as published by the Free Software Foundation; either
013     version 2.1 of the License, or (at your option) any later version.
014     This library is distributed in the hope that it will be useful,
015     but WITHOUT ANY WARRANTY; without even the implied warranty of
016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017     Lesser General Public License for more details.
018     You should have received a copy of the GNU Lesser General Public
019     License along with this library; if not, write to the Free Software
020     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
021     Contact:
022    
023     Andreas Poth
024     lat/lon GmbH
025     Aennchenstr. 19
026     53177 Bonn
027     Germany
028     E-Mail: poth@lat-lon.de
029    
030     Prof. Dr. Klaus Greve
031     Department of Geography
032     University of Bonn
033     Meckenheimer Allee 166
034     53115 Bonn
035     Germany
036     E-Mail: greve@giub.uni-bonn.de
037     ---------------------------------------------------------------------------*/
038    package org.deegree.security;
039    
040    import java.util.Map;
041    
042    import org.deegree.framework.log.ILogger;
043    import org.deegree.framework.log.LoggerFactory;
044    import org.deegree.i18n.Messages;
045    import org.deegree.security.drm.SecurityAccessManager;
046    import org.deegree.security.drm.WrongCredentialsException;
047    import org.deegree.security.drm.model.User;
048    
049    /**
050     * 
051     * 
052     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
053     * @author last edited by: $Author: poth $
054     * 
055     * @version. $Revision: 6251 $, $Date: 2007-03-19 16:59:28 +0100 (Mo, 19 Mrz 2007) $
056     */
057    public class UserPasswordAuthentication extends AbstractAuthentication {
058    
059        private static final ILogger LOG = LoggerFactory.getLogger( UserPasswordAuthentication.class );
060        
061        protected static final String AUTH_PARAM_USER = "USER";
062        
063        protected static final String AUTH_PARAM_PASSWORD = "PASSWORD";
064        
065        
066    
067        /**
068         * 
069         * @param authenticationName
070         * @param initParams
071         */
072        public UserPasswordAuthentication( String authenticationName, Map<String, String> initParams ) {
073            super( authenticationName, initParams );
074        }
075    
076        /**
077         * authenticates a user and returns an instance of
078         * 
079         * @see {@link User} if authentication has been successfull. Otherwise a
080         *      WrongCredentialsException will be thrown
081         * @return an instance of User
082         * @throws WrongCredentialsException
083         */
084        public User authenticate( Map<String, String> params )
085                                throws WrongCredentialsException {
086            String user = params.get( AUTH_PARAM_USER );
087            String password = params.get( AUTH_PARAM_PASSWORD );
088    
089            LOG.logDebug( "USER: ", user );
090            LOG.logDebug( "PASSWORD: ", password );
091            User usr = null;
092            if ( password != null && user != null ) {
093                try {
094                    SecurityAccessManager sam = SecurityAccessManager.getInstance();
095                    usr = sam.getUserByName( user );
096                    usr.authenticate( password );
097                } catch ( Exception e ) {
098                    LOG.logError( e.getMessage() );
099                    throw new WrongCredentialsException( Messages.getMessage( "OWSPROXY_USER_AUTH_ERROR", user ) );
100                }
101            }
102    
103            return usr;
104        }
105    
106    }