    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/portal/standard/security/control/GetUserInfoListener.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.portal.standard.security.control;
    037
    038    import java.io.IOException;
    039    import java.net.URL;
    040
    041    import javax.servlet.http.HttpServletRequest;
    042    import javax.servlet.http.HttpSession;
    043
    044    import org.deegree.enterprise.control.ajax.AbstractListener;
    045    import org.deegree.enterprise.control.ajax.ResponseHandler;
    046    import org.deegree.enterprise.control.ajax.WebEvent;
    047    import org.deegree.framework.log.ILogger;
    048    import org.deegree.framework.log.LoggerFactory;
    049    import org.deegree.framework.util.StringTools;
    050    import org.deegree.framework.xml.NamespaceContext;
    051    import org.deegree.framework.xml.XMLFragment;
    052    import org.deegree.framework.xml.XMLParsingException;
    053    import org.deegree.framework.xml.XMLTools;
    054    import org.deegree.ogcbase.BaseURL;
    055    import org.deegree.ogcbase.CommonNamespaces;
    056    import org.deegree.ogcwebservices.OWSUtils;
    057    import org.deegree.portal.Constants;
    058    import org.deegree.portal.context.GeneralExtension;
    059    import org.deegree.portal.context.ViewContext;
    060    import org.xml.sax.SAXException;
    061
    062    /**
    063     * TODO add class documentation here
    064     *
    065     * @author <a href="mailto:name@deegree.org">Andreas Poth</a>
    066     * @author last edited by: $Author: apoth $
    067     *
    068     * @version $Revision: 22505 $, $Date: 2010-02-11 11:33:00 +0100 (Do, 11. Feb 2010) $
    069     */
    070    public class GetUserInfoListener extends AbstractListener {
    071
    072        private static final ILogger LOG = LoggerFactory.getLogger( GetUserInfoListener.class );
    073
    074        private static final NamespaceContext nsContext = CommonNamespaces.getNamespaceContext();
    075
    076        /*
    077         * (non-Javadoc)
    078         *
    079         * @see
    080         * org.deegree.enterprise.control.ajax.AbstractListener#actionPerformed(org.deegree.enterprise.control.ajax.WebEvent
    081         * , org.deegree.enterprise.control.ajax.ResponseHandler)
    082         */
    083        public void actionPerformed( WebEvent event, ResponseHandler responseHandler )
    084                                throws IOException {
    085
    086            HttpSession session = event.getSession();
    087            try {
    088                UserBean user = readUserInformation( session );
    089                responseHandler.writeAndClose( false, user );
    090            } catch ( Exception e ) {
    091                LOG.logError( e );
    092                responseHandler.writeAndClose( "ERROR: can not read user informations" );
    093            }
    094        }
    095
    096        /**
    097         * gets the user name assigned to the passed session ID from an authentication service. If no user is assigned to
    098         * the session ID <tt>null</tt> will be returned. If the session is closed or expired an exception will be thrown
    099         *
    100         * @param session
    101         * @return name of the user assigned to the passed session ID
    102         * @throws XMLParsingException
    103         * @throws SAXException
    104         * @throws IOException
    105         */
    106        protected UserBean readUserInformation( HttpSession session )
    107                                throws XMLParsingException, IOException, SAXException {
    108
    109            String sessionId = null;
    110            ViewContext vc = (ViewContext) session.getAttribute( Constants.CURRENTMAPCONTEXT );
    111            if ( vc == null ) {
    112                return null;
    113            }
    114            GeneralExtension ge = vc.getGeneral().getExtension();
    115            UserBean user = null;
    116
    117            if ( sessionId != null && ge.getAuthentificationSettings() != null ) {
    118                LOG.logDebug( "try getting user from WAS/sessionID" );
    119                BaseURL baseUrl = ge.getAuthentificationSettings().getAuthentificationURL();
    120                String url = OWSUtils.validateHTTPGetBaseURL( baseUrl.getOnlineResource().toExternalForm() );
    121                StringBuffer sb = new StringBuffer( url );
    122                sb.append( "request=DescribeUser&SESSIONID=" ).append( sessionId );
    123
    124                XMLFragment xml = new XMLFragment();
    125                xml.load( new URL( sb.toString() ) );
    126
    127                String userName = XMLTools.getRequiredNodeAsString( xml.getRootElement(), "/User/UserName", nsContext );
    128                String firstName = XMLTools.getRequiredNodeAsString( xml.getRootElement(), "/User/FirstName", nsContext );
    129                String lastName = XMLTools.getRequiredNodeAsString( xml.getRootElement(), "/User/LastName", nsContext );
    130                String mailAddress = XMLTools.getRequiredNodeAsString( xml.getRootElement(), "/User/EMailAddress",
    131                                                                       nsContext );
    132                user = new UserBean( userName, firstName, lastName, mailAddress );
    133            } else {
    134                LOG.logDebug( "try getting user from getUserPrincipal()" );
    135                if ( ( (HttpServletRequest) getRequest() ).getUserPrincipal() != null ) {
    136                    String userName = ( (HttpServletRequest) getRequest() ).getUserPrincipal().getName();
    137                    if ( userName.indexOf( "\\" ) > 1 ) {
    138                        String[] us = StringTools.toArray( userName, "\\", false );
    139                        userName = us[us.length - 1];
    140                    }
    141                }
    142            }
    143            LOG.logDebug( "userName: " + user.getUserName() );
    144            return user;
    145        }
    146
    147        // ////////////////////////////////////////////////////////////////////////////////
    148        // inner classes
    149        // ////////////////////////////////////////////////////////////////////////////////
    150
    151        public class UserBean {
    152            private String userName = null;
    153
    154            private String firstName = null;
    155
    156            private String lastName = null;
    157
    158            private String mailAddress = null;
    159
    160            /**
    161             * @param userName
    162             * @param firstName
    163             * @param lastName
    164             * @param mailAddress
    165             */
    166            public UserBean( String userName, String firstName, String lastName, String mailAddress ) {
    167                super();
    168                this.userName = userName;
    169                this.firstName = firstName;
    170                this.lastName = lastName;
    171                this.mailAddress = mailAddress;
    172            }
    173
    174            /**
    175             * @return the userName
    176             */
    177            public String getUserName() {
    178                return userName;
    179            }
    180
    181            /**
    182             * @param userName
    183             *            the userName to set
    184             */
    185            public void setUserName( String userName ) {
    186                this.userName = userName;
    187            }
    188
    189            /**
    190             * @return the firstName
    191             */
    192            public String getFirstName() {
    193                return firstName;
    194            }
    195
    196            /**
    197             * @param firstName
    198             *            the firstName to set
    199             */
    200            public void setFirstName( String firstName ) {
    201                this.firstName = firstName;
    202            }
    203
    204            /**
    205             * @return the lastName
    206             */
    207            public String getLastName() {
    208                return lastName;
    209            }
    210
    211            /**
    212             * @param lastName
    213             *            the lastName to set
    214             */
    215            public void setLastName( String lastName ) {
    216                this.lastName = lastName;
    217            }
    218
    219            /**
    220             * @return the mailAddress
    221             */
    222            public String getMailAddress() {
    223                return mailAddress;
    224            }
    225
    226            /**
    227             * @param mailAddress
    228             *            the mailAddress to set
    229             */
    230            public void setMailAddress( String mailAddress ) {
    231                this.mailAddress = mailAddress;
    232            }
    233
    234        }
    235
    236    }