001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/security/owsrequestvalidator/GetCapabilitiesRequestValidator.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;
037
038 import java.util.List;
039
040 import org.deegree.i18n.Messages;
041 import org.deegree.ogcwebservices.InvalidParameterValueException;
042 import org.deegree.ogcwebservices.OGCWebServiceRequest;
043 import org.deegree.ogcwebservices.csw.capabilities.CatalogueGetCapabilities;
044 import org.deegree.ogcwebservices.wcs.getcapabilities.WCSGetCapabilities;
045 import org.deegree.ogcwebservices.wfs.operation.WFSGetCapabilities;
046 import org.deegree.ogcwebservices.wms.operation.WMSGetCapabilities;
047 import org.deegree.security.drm.model.User;
048 import org.deegree.security.owsproxy.Condition;
049 import org.deegree.security.owsproxy.OperationParameter;
050 import org.deegree.security.owsproxy.Request;
051
052 /**
053 *
054 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
055 * @author last edited by: $Author: mschneider $
056 *
057 * @version 1.1, $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
058 *
059 * @since 1.1
060 */
061 public class GetCapabilitiesRequestValidator extends RequestValidator {
062
063 // known condition parameter
064 private static final String UPDATESEQUENCE = "updatesequence";
065
066 /**
067 * @param policy
068 */
069 public GetCapabilitiesRequestValidator( Policy policy ) {
070 super( policy );
071 }
072
073 /**
074 * validates the incoming GetCapabilities request
075 *
076 * @param request
077 * request to validate
078 * @param user
079 * name of the user who likes to perform the request (can be null)
080 */
081 @Override
082 public void validateRequest( OGCWebServiceRequest request, User user )
083 throws InvalidParameterValueException {
084
085 String[] version = null;
086 String updateSeq = null;
087 Request req = null;
088
089 if ( request instanceof WFSGetCapabilities ) {
090 version = ( (WFSGetCapabilities) request ).getAcceptVersions();
091 if ( version == null ) {
092 version = new String[] { ( (WFSGetCapabilities) request ).getVersion() };
093 }
094 req = policy.getRequest( "WFS", "GetCapabilities" );
095 } else if ( request instanceof WMSGetCapabilities ) {
096 version = new String[1];
097 version[0] = ( (WMSGetCapabilities) request ).getVersion();
098 updateSeq = ( (WMSGetCapabilities) request ).getUpdateSequence();
099 req = policy.getRequest( "WMS", "GetCapabilities" );
100 } else if ( request instanceof WCSGetCapabilities ) {
101 version = new String[1];
102 version[0] = ( (WCSGetCapabilities) request ).getVersion();
103 req = policy.getRequest( "WCS", "GetCapabilities" );
104 } else if ( request instanceof CatalogueGetCapabilities ) {
105 version = new String[1];
106 version[0] = ( (CatalogueGetCapabilities) request ).getVersion();
107 req = policy.getRequest( "CSW", "GetCapabilities" );
108 } else {
109 version = new String[0];
110 req = policy.getRequest( request.getServiceName(), "GetCapabilities" );
111 }
112
113 // request is valid because no restrictions are made
114 if ( req.isAny() || req.getPreConditions().isAny() ) {
115 return;
116 }
117 for ( int i = 0; i < version.length; i++ ) {
118 validateVersion( req.getPreConditions(), version[i] );
119 }
120 validateUpdateSeq( req.getPreConditions(), updateSeq );
121
122 }
123
124 /**
125 *
126 * @param updateSeq
127 * @throws InvalidParameterValueException
128 */
129 private void validateUpdateSeq( Condition condition, String updateSeq )
130 throws InvalidParameterValueException {
131 OperationParameter op = condition.getOperationParameter( UPDATESEQUENCE );
132 // updatesequence is valid because no restrictions are made
133 if ( op.isAny() ) {
134 return;
135 }
136 List<String> list = op.getValues();
137 if ( !list.contains( updateSeq ) ) {
138 if ( !op.isUserCoupled() ) {
139 String s = Messages.getMessage( "OWSPROXY_INVALID_UPDATESEQ" );
140 throw new InvalidParameterValueException( s );
141 }
142 userCoupled = true;
143 }
144 }
145
146 }