001    //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/security/owsrequestvalidator/wfs/WFSValidator.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.security.owsrequestvalidator.wfs;
037    
038    import org.deegree.ogcwebservices.InvalidParameterValueException;
039    import org.deegree.ogcwebservices.OGCWebServiceRequest;
040    import org.deegree.ogcwebservices.getcapabilities.GetCapabilities;
041    import org.deegree.ogcwebservices.wfs.operation.DescribeFeatureType;
042    import org.deegree.ogcwebservices.wfs.operation.GetFeature;
043    import org.deegree.ogcwebservices.wfs.operation.GetFeatureWithLock;
044    import org.deegree.ogcwebservices.wfs.operation.LockFeature;
045    import org.deegree.ogcwebservices.wfs.operation.transaction.Transaction;
046    import org.deegree.security.UnauthorizedException;
047    import org.deegree.security.drm.model.User;
048    import org.deegree.security.owsrequestvalidator.Messages;
049    import org.deegree.security.owsrequestvalidator.OWSValidator;
050    import org.deegree.security.owsrequestvalidator.Policy;
051    
052    /**
053     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
054     * @author last edited by: $Author: mschneider $
055     *
056     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
057     */
058    public class WFSValidator extends OWSValidator {
059    
060        private static final String MS_INVALIDREQUEST = Messages.getString( "WFSValidator.WFS_INVALIDREQUEST" );
061    
062        private GetFeatureRequestValidator getFeatureValidator;
063    
064        private GetFeatureResponseValidator getFeatureRespValidator;
065    
066        private DescribeFeatureTypeRequestValidator describeFeatureTypeValidator;
067    
068        private TransactionValidator transactionValidator;
069    
070        /**
071         * @param policy
072         * @param proxyURL
073         */
074        public WFSValidator( Policy policy, String proxyURL ) {
075            super( policy, proxyURL );
076            getFeatureValidator = new GetFeatureRequestValidator( policy );
077            getFeatureRespValidator = new GetFeatureResponseValidator( policy );
078            describeFeatureTypeValidator = new DescribeFeatureTypeRequestValidator( policy );
079            transactionValidator = new TransactionValidator( policy );
080        }
081    
082        /**
083         * validates the passed <tt>OGCWebServiceRequest</tt> if it is valid against the defined
084         * conditions for WFS requests
085         *
086         * @param request
087         * @param user
088         * @throws InvalidParameterValueException
089         * @throws UnauthorizedException
090         */
091        @Override
092        public void validateRequest( OGCWebServiceRequest request, User user )
093                                throws InvalidParameterValueException, UnauthorizedException {
094    
095            if ( request instanceof GetCapabilities ) {
096                getCapabilitiesValidator.validateRequest( request, user );
097            } else if ( request instanceof GetFeature ) {
098                getFeatureValidator.validateRequest( request, user );
099            } else if ( request instanceof GetFeatureWithLock ) {
100                throw new UnauthorizedException( "GetFeatureWithLock on the WFS are not allowed!" );
101            } else if ( request instanceof LockFeature ) {
102                throw new UnauthorizedException( "Lock on the WFS are not allowed!" );
103            } else if ( request instanceof DescribeFeatureType ) {
104                describeFeatureTypeValidator.validateRequest( request, user );
105            } else if ( request instanceof Transaction ) {
106                transactionValidator.validateRequest( request, user );
107            } else {
108                throw new InvalidParameterValueException( MS_INVALIDREQUEST
109                                                          + request.getClass().getName() );
110            }
111        }
112    
113        /**
114         * @param request
115         * @param response
116         * @param mime
117         * @param user
118         * @return the new response
119         * @throws InvalidParameterValueException
120         * @throws UnauthorizedException
121         */
122        @Override
123        public byte[] validateResponse( OGCWebServiceRequest request, byte[] response, String mime,
124                                        User user )
125                                throws InvalidParameterValueException, UnauthorizedException {
126    
127            if ( request instanceof GetCapabilities ) {
128                response = getCapabilitiesValidatorR.validateResponse( "WFS", response, mime, user );
129            } else if ( request instanceof GetFeature ) {
130                response = getFeatureRespValidator.validateResponse( "WFS", response, mime, user );
131            }
132            // TODO responses to other requests
133            return response;
134        }
135    }