001 //$HeadURL: svn+ssh://rbezema@svn.wald.intevation.org/deegree/base/branches/2.2_testing/src/org/deegree/security/owsrequestvalidator/GetCapabilitiesRequestValidator.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.security.owsrequestvalidator;
044
045 import java.util.List;
046
047 import org.deegree.i18n.Messages;
048 import org.deegree.ogcwebservices.InvalidParameterValueException;
049 import org.deegree.ogcwebservices.OGCWebServiceRequest;
050 import org.deegree.ogcwebservices.csw.capabilities.CatalogueGetCapabilities;
051 import org.deegree.ogcwebservices.wcs.getcapabilities.WCSGetCapabilities;
052 import org.deegree.ogcwebservices.wfs.operation.WFSGetCapabilities;
053 import org.deegree.ogcwebservices.wms.operation.WMSGetCapabilities;
054 import org.deegree.security.drm.model.User;
055 import org.deegree.security.owsproxy.Condition;
056 import org.deegree.security.owsproxy.OperationParameter;
057 import org.deegree.security.owsproxy.Request;
058
059 /**
060 *
061 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
062 * @author last edited by: $Author: apoth $
063 *
064 * @version 1.1, $Revision: 9346 $, $Date: 2007-12-27 17:39:07 +0100 (Do, 27 Dez 2007) $
065 *
066 * @since 1.1
067 */
068 public class GetCapabilitiesRequestValidator extends RequestValidator {
069
070 // known condition parameter
071 private static final String UPDATESEQUENCE = "updatesequence";
072
073 /**
074 * @param policy
075 */
076 public GetCapabilitiesRequestValidator(Policy policy) {
077 super(policy);
078 }
079
080 /**
081 * validates the incomming GetCapabilities request
082 * @param request request to validate
083 * @param user name of the user who likes to perform the request
084 * (can be null)
085 */
086 public void validateRequest(OGCWebServiceRequest request, User user)
087 throws InvalidParameterValueException {
088
089 String[] version = null;
090 String updateSeq = null;
091 Request req = null;
092
093 if ( request instanceof WFSGetCapabilities ) {
094 version = ((WFSGetCapabilities)request).getAcceptVersions();
095 req = policy.getRequest( "WFS", "GetCapabilities" );
096 } else if ( request instanceof WMSGetCapabilities ) {
097 version = new String[1];
098 version[0] = ((WMSGetCapabilities)request).getVersion();
099 updateSeq = ((WMSGetCapabilities)request).getUpdateSequence();
100 req = policy.getRequest( "WMS", "GetCapabilities" );
101 } else if ( request instanceof WCSGetCapabilities ) {
102 version = new String[1];
103 version[0] = ((WCSGetCapabilities)request).getVersion();
104 req = policy.getRequest( "WCS", "GetCapabilities" );
105 } else if ( request instanceof CatalogueGetCapabilities ) {
106 version = new String[1];
107 version[0] = ((CatalogueGetCapabilities)request).getVersion();
108 req = policy.getRequest( "CSW", "GetCapabilities" );
109 } else {
110 version = new String[0];
111 req = policy.getRequest( request.getServiceName(), "GetCapabilities" );
112 }
113
114 // request is valid because no restrictions are made
115 if ( req.isAny() ) {
116 return;
117 }
118 for ( int i = 0; i < version.length; i++ ) {
119 validateVersion( req.getPreConditions(), version[i] );
120 }
121 validateUpdateSeq( req.getPreConditions(), updateSeq );
122
123 }
124
125 /**
126 *
127 * @param version
128 * @param updateSeq
129 * @throws InvalidParameterValueException
130 */
131 private void validateUpdateSeq( Condition condition, String updateSeq )
132 throws InvalidParameterValueException {
133 OperationParameter op = condition.getOperationParameter( UPDATESEQUENCE );
134 //updatesequence is valid because no restrictions are made
135 if ( op.isAny() ) {
136 return;
137 }
138 List<String> list = op.getValues();
139 if ( !list.contains( updateSeq ) ) {
140 if ( !op.isUserCoupled() ) {
141 String s = Messages.getMessage( "OWSPROXY_INVALID_UPDATESEQ" );
142 throw new InvalidParameterValueException( s );
143 }
144 userCoupled = true;
145 }
146 }
147
148 }