1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /** 6 * Licensed to the Apache Software Foundation (ASF) under one 7 * or more contributor license agreements. See the NOTICE file 8 * distributed with this work for additional information 9 * regarding copyright ownership. The ASF licenses this file 10 * to you under the Apache License, Version 2.0 (the 11 * "License"); you may not use this file except in compliance 12 * with the License. You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, 17 * software distributed under the License is distributed on an 18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 19 * KIND, either express or implied. See the License for the 20 * specific language governing permissions and limitations 21 * under the License. 22 */ 23 package com.sun.org.apache.xml.internal.security.transforms.implementations; 24 25 import java.io.OutputStream; 26 27 import com.sun.org.apache.xml.internal.security.c14n.CanonicalizationException; 28 import com.sun.org.apache.xml.internal.security.c14n.implementations.Canonicalizer20010315ExclWithComments; 29 import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException; 30 import com.sun.org.apache.xml.internal.security.signature.XMLSignatureInput; 31 import com.sun.org.apache.xml.internal.security.transforms.Transform; 32 import com.sun.org.apache.xml.internal.security.transforms.TransformSpi; 33 import com.sun.org.apache.xml.internal.security.transforms.Transforms; 34 import com.sun.org.apache.xml.internal.security.transforms.params.InclusiveNamespaces; 35 import com.sun.org.apache.xml.internal.security.utils.XMLUtils; 36 import org.w3c.dom.Element; 37 38 /** 39 * Implements the {@code http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments} 40 * transform. 41 * 42 */ 43 public class TransformC14NExclusiveWithComments extends TransformSpi { 44 45 /** Field implementedTransformURI */ 46 public static final String implementedTransformURI = 47 Transforms.TRANSFORM_C14N_EXCL_WITH_COMMENTS; 48 49 /** 50 * Method engineGetURI 51 *{@inheritDoc} 52 * 53 */ engineGetURI()54 protected String engineGetURI() { 55 return implementedTransformURI; 56 } 57 enginePerformTransform( XMLSignatureInput input, OutputStream os, Transform transformObject )58 protected XMLSignatureInput enginePerformTransform( 59 XMLSignatureInput input, OutputStream os, Transform transformObject 60 ) throws CanonicalizationException { 61 try { 62 String inclusiveNamespaces = null; 63 64 if (transformObject.length( 65 InclusiveNamespaces.ExclusiveCanonicalizationNamespace, 66 InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES) == 1 67 ) { 68 Element inclusiveElement = 69 XMLUtils.selectNode( 70 transformObject.getElement().getFirstChild(), 71 InclusiveNamespaces.ExclusiveCanonicalizationNamespace, 72 InclusiveNamespaces._TAG_EC_INCLUSIVENAMESPACES, 73 0 74 ); 75 76 inclusiveNamespaces = 77 new InclusiveNamespaces( 78 inclusiveElement, transformObject.getBaseURI() 79 ).getInclusiveNamespaces(); 80 } 81 82 Canonicalizer20010315ExclWithComments c14n = 83 new Canonicalizer20010315ExclWithComments(); 84 c14n.setSecureValidation(secureValidation); 85 if (os != null) { 86 c14n.setWriter(os); 87 } 88 byte[] result = c14n.engineCanonicalize(input, inclusiveNamespaces); 89 XMLSignatureInput output = new XMLSignatureInput(result); 90 output.setSecureValidation(secureValidation); 91 92 return output; 93 } catch (XMLSecurityException ex) { 94 throw new CanonicalizationException(ex); 95 } 96 } 97 } 98