001: //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/trunk/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 08:39:07 -0800 (Thu, 27 Dec 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)
095: .getAcceptVersions();
096: req = policy.getRequest("WFS", "GetCapabilities");
097: } else if (request instanceof WMSGetCapabilities) {
098: version = new String[1];
099: version[0] = ((WMSGetCapabilities) request).getVersion();
100: updateSeq = ((WMSGetCapabilities) request)
101: .getUpdateSequence();
102: req = policy.getRequest("WMS", "GetCapabilities");
103: } else if (request instanceof WCSGetCapabilities) {
104: version = new String[1];
105: version[0] = ((WCSGetCapabilities) request).getVersion();
106: req = policy.getRequest("WCS", "GetCapabilities");
107: } else if (request instanceof CatalogueGetCapabilities) {
108: version = new String[1];
109: version[0] = ((CatalogueGetCapabilities) request)
110: .getVersion();
111: req = policy.getRequest("CSW", "GetCapabilities");
112: } else {
113: version = new String[0];
114: req = policy.getRequest(request.getServiceName(),
115: "GetCapabilities");
116: }
117:
118: // request is valid because no restrictions are made
119: if (req.isAny()) {
120: return;
121: }
122: for (int i = 0; i < version.length; i++) {
123: validateVersion(req.getPreConditions(), version[i]);
124: }
125: validateUpdateSeq(req.getPreConditions(), updateSeq);
126:
127: }
128:
129: /**
130: *
131: * @param version
132: * @param updateSeq
133: * @throws InvalidParameterValueException
134: */
135: private void validateUpdateSeq(Condition condition, String updateSeq)
136: throws InvalidParameterValueException {
137: OperationParameter op = condition
138: .getOperationParameter(UPDATESEQUENCE);
139: //updatesequence is valid because no restrictions are made
140: if (op.isAny()) {
141: return;
142: }
143: List<String> list = op.getValues();
144: if (!list.contains(updateSeq)) {
145: if (!op.isUserCoupled()) {
146: String s = Messages
147: .getMessage("OWSPROXY_INVALID_UPDATESEQ");
148: throw new InvalidParameterValueException(s);
149: }
150: userCoupled = true;
151: }
152: }
153:
154: }
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