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- /* ====================================================================
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (the "License"); you may not use this file except in compliance with
- the License. You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- ==================================================================== */
-
- /* ====================================================================
- This product contains an ASLv2 licensed version of the OOXML signer
- package from the eID Applet project
- http://code.google.com/p/eid-applet/source/browse/trunk/README.txt
- Copyright (C) 2008-2014 FedICT.
- ================================================================= */
-
- package org.apache.poi.poifs.crypt.dsig.facets;
-
- import java.security.InvalidAlgorithmParameterException;
- import java.security.NoSuchAlgorithmException;
- import java.security.cert.X509Certificate;
- import java.util.ArrayList;
- import java.util.List;
-
- import javax.xml.crypto.dsig.CanonicalizationMethod;
- import javax.xml.crypto.dsig.DigestMethod;
- import javax.xml.crypto.dsig.Reference;
- import javax.xml.crypto.dsig.Transform;
- import javax.xml.crypto.dsig.XMLObject;
- import javax.xml.crypto.dsig.XMLSignatureFactory;
- import javax.xml.crypto.dsig.spec.TransformParameterSpec;
-
- import org.apache.poi.poifs.crypt.dsig.SignatureConfig;
- import org.w3c.dom.Document;
-
- /**
- * Signature Facet implementation to create enveloped signatures.
- *
- * @author Frank Cornelis
- *
- */
- public class EnvelopedSignatureFacet implements SignatureFacet {
-
- private SignatureConfig signatureConfig;
-
- public void setSignatureConfig(SignatureConfig signatureConfig) {
- this.signatureConfig = signatureConfig;
- }
-
- @Override
- public void postSign(Document document, List<X509Certificate> signingCertificateChain) {
- // empty
- }
-
- @Override
- public void preSign(Document document
- , XMLSignatureFactory signatureFactory
- , List<Reference> references
- , List<XMLObject> objects)
- throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
- DigestMethod digestMethod = signatureFactory.newDigestMethod
- (signatureConfig.getDigestMethodUri(), null);
-
- List<Transform> transforms = new ArrayList<Transform>();
- Transform envelopedTransform = signatureFactory.newTransform
- (CanonicalizationMethod.ENVELOPED, (TransformParameterSpec) null);
- transforms.add(envelopedTransform);
- Transform exclusiveTransform = signatureFactory.newTransform
- (CanonicalizationMethod.EXCLUSIVE, (TransformParameterSpec) null);
- transforms.add(exclusiveTransform);
-
- Reference reference = signatureFactory.newReference("", digestMethod,
- transforms, null, null);
-
- references.add(reference);
- }
- }
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