    001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.4_testing/src/org/deegree/security/owsrequestvalidator/wms/WMSValidator.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.wms;
    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.wms.operation.GetFeatureInfo;
    042    import org.deegree.ogcwebservices.wms.operation.GetLegendGraphic;
    043    import org.deegree.ogcwebservices.wms.operation.GetMap;
    044    import org.deegree.security.UnauthorizedException;
    045    import org.deegree.security.drm.model.User;
    046    import org.deegree.security.owsrequestvalidator.Messages;
    047    import org.deegree.security.owsrequestvalidator.OWSValidator;
    048    import org.deegree.security.owsrequestvalidator.Policy;
    049
    050    /**
    051     * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
    052     * @author last edited by: $Author: mschneider $
    053     *
    054     * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
    055     */
    056
    057    public class WMSValidator extends OWSValidator {
    058
    059        // message strings
    060        private static final String MS_INVALIDREQUEST = Messages.getString( "WMSValidator.WMS_INVALIDREQUEST" );
    061
    062        private GetMapRequestValidator getMapValidator;
    063
    064        private GetMapResponseValidator getMapValidatorR;
    065
    066        private GetFeatureInfoRequestValidator getFeatureInfoValidator;
    067
    068        private GetFeatureInfoResponseValidator getFeatureInfoValidatorR;
    069
    070        private GetLegendGraphicRequestValidator getLegendGraphicValidator;
    071
    072        private GetLegendGraphicResponseValidator getLegendGraphicValidatorR;
    073
    074        /**
    075         * @param policy
    076         * @param proxyURL
    077         */
    078        public WMSValidator( Policy policy, String proxyURL ) {
    079            super( policy, proxyURL );
    080
    081            getMapValidator = new GetMapRequestValidator( policy );
    082            getMapValidatorR = new GetMapResponseValidator( policy );
    083            getFeatureInfoValidator = new GetFeatureInfoRequestValidator( policy );
    084            getFeatureInfoValidatorR = new GetFeatureInfoResponseValidator( policy );
    085            getLegendGraphicValidator = new GetLegendGraphicRequestValidator( policy );
    086            getLegendGraphicValidatorR = new GetLegendGraphicResponseValidator( policy );
    087        }
    088
    089        /**
    090         * validates the passed <tt>OGCWebServiceRequest</tt> if it is valid against the defined
    091         * conditions for WMS requests
    092         *
    093         * @param request
    094         * @param user
    095         * @throws InvalidParameterValueException
    096         * @throws UnauthorizedException
    097         */
    098        @Override
    099        public void validateRequest( OGCWebServiceRequest request, User user )
    100                                throws InvalidParameterValueException, UnauthorizedException {
    101            if ( request instanceof GetCapabilities ) {
    102                getCapabilitiesValidator.validateRequest( request, user );
    103            } else if ( request instanceof GetMap ) {
    104                getMapValidator.validateRequest( request, user );
    105            } else if ( request instanceof GetFeatureInfo ) {
    106                getFeatureInfoValidator.validateRequest( request, user );
    107            } else if ( request instanceof GetLegendGraphic ) {
    108                getLegendGraphicValidator.validateRequest( request, user );
    109            } else {
    110                throw new InvalidParameterValueException( MS_INVALIDREQUEST
    111                                                          + request.getClass().getName() );
    112            }
    113        }
    114
    115        /**
    116         * @param request
    117         * @param response
    118         * @param mime
    119         * @param user
    120         * @return the byte array containing the response.
    121         * @throws InvalidParameterValueException
    122         * @throws UnauthorizedException
    123         */
    124        @Override
    125        public byte[] validateResponse( OGCWebServiceRequest request, byte[] response, String mime,
    126                                        User user )
    127                                throws InvalidParameterValueException, UnauthorizedException {
    128            if ( request instanceof GetCapabilities ) {
    129                response = getCapabilitiesValidatorR.validateResponse( "WMS", response, mime, user );
    130            } else if ( request instanceof GetMap ) {
    131                response = getMapValidatorR.validateResponse( "WMS", response, mime, user );
    132            } else if ( request instanceof GetFeatureInfo ) {
    133                response = getFeatureInfoValidatorR.validateResponse( "WMS", response, mime, user );
    134            } else if ( request instanceof GetLegendGraphic ) {
    135                response = getLegendGraphicValidatorR.validateResponse( "WMS", response, mime, user );
    136            } else {
    137                throw new InvalidParameterValueException( MS_INVALIDREQUEST
    138                                                          + request.getClass().getName() );
    139            }
    140            return response;
    141        }
    142    }