001    //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/portal/standard/security/control/SecurityRequestDispatcher.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     53177 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    package org.deegree.portal.standard.security.control;
044    
045    import java.io.File;
046    import java.io.InputStreamReader;
047    import java.io.Reader;
048    import java.net.URI;
049    import java.net.URL;
050    import java.util.Properties;
051    
052    import javax.servlet.ServletConfig;
053    import javax.servlet.ServletException;
054    
055    import org.deegree.enterprise.control.RequestDispatcher;
056    import org.deegree.framework.xml.NamespaceContext;
057    import org.deegree.framework.xml.XMLTools;
058    import org.deegree.i18n.Messages;
059    import org.deegree.io.IODocument;
060    import org.deegree.io.JDBCConnection;
061    import org.deegree.security.drm.SecurityAccessManager;
062    import org.w3c.dom.Document;
063    import org.w3c.dom.Element;
064    
065    /**
066     * 
067     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
068     * @author last edited by: $Author: apoth $
069     * 
070     * @version $Revision: 9346 $, $Date: 2007-12-27 17:39:07 +0100 (Do, 27 Dez 2007) $
071     */
072    public class SecurityRequestDispatcher extends RequestDispatcher {
073    
074        private static String SECURITY_CONFIG = "Security.configFile";
075    
076        /**
077         * This method initializes the servlet.
078         * 
079         * @param cfg
080         *            the servlet configuration
081         * @throws ServletException
082         *             an exception
083         */
084        @Override
085        public void init( ServletConfig cfg )
086                                throws ServletException {
087            super.init( cfg );
088    
089            try {
090                // config file -> DOM
091                String s = getInitParameter( SECURITY_CONFIG );
092                File file = new File( s );
093                if ( !file.isAbsolute() ) {
094                    file = new File( getServletContext().getRealPath( s ) );
095                }
096                URL url = file.toURL();
097                Reader reader = new InputStreamReader( url.openStream() );
098                Document doc = XMLTools.parse( reader );
099                Element element = doc.getDocumentElement();
100                reader.close();
101    
102                // extract configuration information from DOM
103                String readWriteTimeoutString = XMLTools.getStringValue( "readWriteTimeout", null,
104                                                                         element, "600" );
105                int readWriteTimeout = Integer.parseInt( readWriteTimeoutString );
106    
107                String registryClass = XMLTools.getRequiredStringValue( "registryClass", null, element );
108                Element registryConfig = (Element) XMLTools.getRequiredNode( element, "registryConfig",
109                                                                             null );
110    
111                // required: <connection>
112                NamespaceContext nsc = new NamespaceContext();
113                nsc.addNamespace( "jdbc", new URI( "http://www.deegree.org/jdbc" ) );
114                element = (Element) XMLTools.getRequiredNode( registryConfig, "jdbc:JDBCConnection",
115                                                              nsc );
116                IODocument xml = new IODocument( element );
117                JDBCConnection jdbc = xml.parseJDBCConnection();
118    
119                Properties properties = new Properties();
120    
121                // required: <driver>
122                properties.put( "driver", jdbc.getDriver() );
123                // required: <logon>
124                properties.put( "url", jdbc.getURL() );
125                // required: <user>
126                properties.put( "user", jdbc.getUser() );
127                // required: <password>
128                properties.put( "password", jdbc.getPassword() );
129    
130                if ( !SecurityAccessManager.isInitialized() ) {
131                    SecurityAccessManager.initialize( registryClass, properties,
132                                                      readWriteTimeout * 1000 );
133                }
134    
135            } catch ( Exception e ) {
136                throw new ServletException( Messages.getMessage( "IGEO_STD_SEC_FAIL_INIT_SEC_DISPATCHER",
137                                                                 e.getMessage() ) );
138            }
139    
140        }
141    }