001 //$HeadURL: svn+ssh://rbezema@wald.intevation.org/deegree/base/trunk/src/org/deegree/security/owsrequestvalidator/csw/GetRecordsResponseValidator.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.csw;
037
038 import org.deegree.framework.util.MimeTypeMapper;
039 import org.deegree.ogcwebservices.InvalidParameterValueException;
040 import org.deegree.security.drm.model.User;
041 import org.deegree.security.owsproxy.Request;
042 import org.deegree.security.owsrequestvalidator.Policy;
043 import org.deegree.security.owsrequestvalidator.ResponseValidator;
044
045 /**
046 *
047 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth </a>
048 * @author last edited by: $Author: wanhoff $
049 *
050 * @version 1.1, $Revision: 6375 $, $Date: 2007-03-26 14:04:38 +0200 (Mo, 26 Mrz 2007) $
051 */
052 class GetRepositoryItemResponseValidator extends ResponseValidator {
053
054 /**
055 * @param policy
056 */
057 public GetRepositoryItemResponseValidator( Policy policy ) {
058 super( policy );
059 }
060
061 /**
062 * validates the passed object as a response to a OWS request. The validity of the response may
063 * is assigned to specific user rights. If the passed user is <>null this will be evaluated.
064 * <br>
065 * the reponse may contain three valid kinds of objects:
066 * <ul>
067 * <li>a xml encoded exception
068 * <li>a GML document
069 * <li>a XML document
070 * <li>any other kind of document that is valid against the formats defined for GetRecord in
071 * the capabilities
072 * </ul>
073 * Each of these types can be identified by the mime-type of the response that is also passed to
074 * the method. <br>
075 * If something basic went wrong it is possible that not further specified kind of object is
076 * passed as response. In this case the method will throw an
077 * <tt>InvalidParameterValueException</tt> to avoid sending bad responses to the client.
078 *
079 * @param service
080 * service which produced the response (WMS, WFS ...)
081 * @param response
082 * @param mime
083 * mime-type of the response
084 * @param user
085 * @return the response array
086 * @throws InvalidParameterValueException
087 */
088 @Override
089 public byte[] validateResponse( String service, byte[] response, String mime, User user )
090 throws InvalidParameterValueException {
091
092 Request req = policy.getRequest( service, "GetRecord" );
093 // request is valid because no restrictions are made
094 if ( req.isAny() || req.getPostConditions().isAny() ) {
095 return response;
096 }
097
098 // Condition condition = req.getPostConditions();
099
100 if ( MimeTypeMapper.isKnownOGCType( mime ) ) {
101 // if the mime-type isn't an image type but a known
102 // OGC mime-type it must be an XML document.
103 // probably it is an exception but it also could be
104 // a GML document
105 response = validateXML( response, mime, user );
106 } else if ( mime.equals( "text/xml" ) ) {
107 // if the mime-type isn't an image type but 'text/xml'
108 // it could be an exception
109 response = validateXML( response, mime, user );
110 } else {
111 throw new InvalidParameterValueException( UNKNOWNMIMETYPE + mime );
112 }
113
114 return response;
115 }
116
117 /**
118 * validates the passed byte array to be valid against the policy
119 *
120 * @param xml
121 * @param mime
122 * @param user
123 */
124 private byte[] validateXML( byte[] xml, String mime, User user ) {
125 // TODO
126 // define useful post-validation for xml-documents
127 // at the moment everything is valid
128 return xml;
129 }
130
131 }