1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.wss4j.dom.resolvers;
20
21 import org.apache.xml.security.signature.XMLSignatureInput;
22 import org.apache.xml.security.signature.XMLSignatureByteInput;
23 import org.apache.xml.security.utils.resolver.ResourceResolverContext;
24 import org.apache.xml.security.utils.resolver.ResourceResolverException;
25 import org.apache.xml.security.utils.resolver.ResourceResolverSpi;
26
27 /*
28 * Fake Resolver for SwA (SOAP with Attachment)
29 */
30 public class ResolverAttachment extends ResourceResolverSpi {
31
32 private static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
33
34 @Override
35 public XMLSignatureInput engineResolveURI(ResourceResolverContext context) throws ResourceResolverException {
36 XMLSignatureInput xmlSignatureInput = new XMLSignatureByteInput(EMPTY_BYTE_ARRAY);
37 xmlSignatureInput.setSourceURI(context.uriToResolve);
38 return xmlSignatureInput;
39 }
40
41 /*
42 * http://docs.oasis-open.org/wss-m/wss/v1.1.1/os/wss-SwAProfile-v1.1.1-os.html
43 * 5.2 Referencing Attachments
44 * For simplicity and interoperability this profile limits WS-Security references
45 * to attachments to CID scheme URLs. Attachments referenced from WS-Security signature
46 * references or cipher references MUST be referenced using CID scheme URLs.
47 */
48 @Override
49 public boolean engineCanResolveURI(ResourceResolverContext context) {
50 if (context.uriToResolve == null) {
51 return false;
52 }
53 return context.uriToResolve.startsWith("cid:");
54 }
55
56 }