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1   /*
2    * The MIT License
3    *
4    * Original work sponsored and donated by National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
5    *
6    * Copyright (C) 2011 National Board of e-Health (NSI), Denmark (http://www.nsi.dk)
7    *
8    * Permission is hereby granted, free of charge, to any person obtaining a copy of
9    * this software and associated documentation files (the "Software"), to deal in
10   * the Software without restriction, including without limitation the rights to
11   * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
12   * of the Software, and to permit persons to whom the Software is furnished to do
13   * so, subject to the following conditions:
14   *
15   * The above copyright notice and this permission notice shall be included in all
16   * copies or substantial portions of the Software.
17   *
18   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24   * SOFTWARE.
25   *
26   * $HeadURL: https://svn.softwareborsen.dk/sosi/trunk/modules/seal/src/main/java/dk/sosi/seal/modelbuilders/RequestModelBuilder.java $
27   * $Id: RequestModelBuilder.java 8697 2011-09-02 10:33:55Z chg@lakeside.dk $
28   */
29  package dk.sosi.seal.modelbuilders;
30  
31  import dk.sosi.seal.SOSIFactory;
32  import dk.sosi.seal.model.AuthenticationLevel;
33  import dk.sosi.seal.model.Request;
34  import dk.sosi.seal.model.SignatureUtil;
35  import dk.sosi.seal.model.constants.DSTags;
36  import dk.sosi.seal.model.constants.NameSpaces;
37  import org.w3c.dom.Document;
38  import org.w3c.dom.Node;
39  import org.w3c.dom.NodeList;
40  
41  /**
42   * Builds <code>Request</code> model objects from a DOM document.
43   *
44   * @author Jan
45   * @author $LastChangedBy: chg@lakeside.dk $
46   * @since 1.0
47   */
48  
49  public class RequestModelBuilder extends MessageModelBuilder {
50  
51  	public RequestModelBuilder(SOSIFactory fac) {
52  
53  		super(fac);
54  	}
55  
56  	/**
57  	 * Builds a Request objects from a DOM document.
58  	 *
59  	 * @param doc
60  	 *            The DOM document used for the Request.
61  	 */
62  	public Request buildModel(Document doc) throws ModelBuildException {
63  
64  		// Extract parameters
65  
66  		boolean noRep = false;
67          Node node = doc.getElementsByTagNameNS(NameSpaces.MEDCOM_SCHEMA, "RequireNonRepudiationReceipt").item(0);
68          if (node != null) {
69          	String noRepString = node.getChildNodes().item(0).getNodeValue();
70          	noRep = !"no".equals(noRepString);
71          }
72  
73  		Request request = factory.createNewRequest(noRep, null);
74  
75  		// Message parameters
76  		super.buildModel(request, doc);
77  
78  		if (AuthenticationLevel.MOCES_TRUSTED_USER.equals(request.getIDCard().getAuthenticationLevel()) ||
79  				AuthenticationLevel.VOCES_TRUSTED_SYSTEM.equals(request.getIDCard().getAuthenticationLevel())) {
80  			// Validate Signatures
81  			NodeList signatures = doc.getElementsByTagNameNS(NameSpaces.DSIG_SCHEMA, DSTags.SIGNATURE);
82  			if (signatures.getLength() == 0)
83  				// In SOSI authlvl 3-4, signatures are mandatory on requests
84  				throw new SignatureInvalidModelBuildException("ID Card has no signature", request.getMessageID(), request.getFlowID(), request.getDGWSVersion());
85  			SignatureUtil.validateAllSignatures(request, signatures, factory.getFederation(), factory.getCredentialVault(),true);
86  		}
87  		return request;
88  	}
89  }