/* * reserved comment block * DO NOT REMOVE OR ALTER! *//* * Copyright 2005 The Apache Software Foundation. * * Licensed 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. * *//* * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. *//* * $Id: DOMExcC14NMethod.java,v 1.2 2008/07/24 15:20:32 mullan Exp $ */package org.jcp.xml.dsig.internal.dom;import javax.xml.crypto.*;import javax.xml.crypto.dsig.*;import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;import javax.xml.crypto.dsig.spec.ExcC14NParameterSpec;import javax.xml.crypto.dsig.spec.TransformParameterSpec;import java.security.InvalidAlgorithmParameterException;import java.security.spec.AlgorithmParameterSpec;import java.util.*;import org.w3c.dom.Element;import com.sun.org.apache.xml.internal.security.c14n.Canonicalizer;import com.sun.org.apache.xml.internal.security.c14n.InvalidCanonicalizerException;/** * DOM-based implementation of CanonicalizationMethod for Exclusive * Canonical XML algorithm (with or without comments). * Uses Apache XML-Sec Canonicalizer. * * @author Sean Mullan */public final class DOMExcC14NMethod extends ApacheCanonicalizer { public void init(TransformParameterSpec params) throws InvalidAlgorithmParameterException { if (params != null) { if (!(params instanceof ExcC14NParameterSpec)) { throw new InvalidAlgorithmParameterException ("params must be of type ExcC14NParameterSpec"); } this.params = (C14NMethodParameterSpec) params; } } public void init(XMLStructure parent, XMLCryptoContext context) throws InvalidAlgorithmParameterException { super.init(parent, context); Element paramsElem = DOMUtils.getFirstChildElement(transformElem); if (paramsElem == null) { this.params = null; this.inclusiveNamespaces = null; return; } unmarshalParams(paramsElem); } private void unmarshalParams(Element paramsElem) { String prefixListAttr = paramsElem.getAttributeNS(null, "PrefixList"); this.inclusiveNamespaces = prefixListAttr; int begin = 0; int end = prefixListAttr.indexOf(' '); List prefixList = new ArrayList(); while (end != -1) { prefixList.add(prefixListAttr.substring(begin, end)); begin = end + 1; end = prefixListAttr.indexOf(' ', begin); } if (begin <= prefixListAttr.length()) { prefixList.add(prefixListAttr.substring(begin)); } this.params = new ExcC14NParameterSpec(prefixList); } public void marshalParams(XMLStructure parent, XMLCryptoContext context) throws MarshalException { super.marshalParams(parent, context); AlgorithmParameterSpec spec = getParameterSpec(); if (spec == null) { return; } String prefix = DOMUtils.getNSPrefix(context, CanonicalizationMethod.EXCLUSIVE); Element excElem = DOMUtils.createElement (ownerDoc, "InclusiveNamespaces", CanonicalizationMethod.EXCLUSIVE, prefix); if (prefix == null || prefix.length() == 0) { excElem.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns", CanonicalizationMethod.EXCLUSIVE); } else { excElem.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:" + prefix, CanonicalizationMethod.EXCLUSIVE); } ExcC14NParameterSpec params = (ExcC14NParameterSpec) spec; StringBuffer prefixListAttr = new StringBuffer(""); List prefixList = params.getPrefixList(); for (int i = 0, size = prefixList.size(); i < size; i++) { prefixListAttr.append((String) prefixList.get(i)); if (i < size - 1) { prefixListAttr.append(" "); } } DOMUtils.setAttribute(excElem, "PrefixList", prefixListAttr.toString()); this.inclusiveNamespaces = prefixListAttr.toString(); transformElem.appendChild(excElem); } public String getParamsNSURI() { return CanonicalizationMethod.EXCLUSIVE; } public Data transform(Data data, XMLCryptoContext xc) throws TransformException { // ignore comments if dereferencing same-document URI that require // you to omit comments, even if the Transform says otherwise - // this is to be compliant with section 4.3.3.3 of W3C Rec. if (data instanceof DOMSubTreeData) { DOMSubTreeData subTree = (DOMSubTreeData) data; if (subTree.excludeComments()) { try { apacheCanonicalizer = Canonicalizer.getInstance (CanonicalizationMethod.EXCLUSIVE); } catch (InvalidCanonicalizerException ice) { throw new TransformException ("Couldn't find Canonicalizer for: " + CanonicalizationMethod.EXCLUSIVE + ": " + ice.getMessage(), ice); } } } return canonicalize(data, xc); }}
/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 2005 The Apache Software Foundation.
*
* Licensed 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.
*
*/
/*
* Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
*/
/*
* $Id: DOMExcC14NMethod.java,v 1.2 2008/07/24 15:20:32 mullan Exp $
*/
package org.jcp.xml.dsig.internal.dom;
import javax.xml.crypto.*;
import javax.xml.crypto.dsig.*;
import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
import javax.xml.crypto.dsig.spec.ExcC14NParameterSpec;
import javax.xml.crypto.dsig.spec.TransformParameterSpec;
import java.security.InvalidAlgorithmParameterException;
import java.security.spec.AlgorithmParameterSpec;
import java.util.*;
import org.w3c.dom.Element;
import com.sun.org.apache.xml.internal.security.c14n.Canonicalizer;
import com.sun.org.apache.xml.internal.security.c14n.InvalidCanonicalizerException;
/**
* DOM-based implementation of CanonicalizationMethod for Exclusive
* Canonical XML algorithm (with or without comments).
* Uses Apache XML-Sec Canonicalizer.
*
* @author Sean Mullan
*/
public final class DOMExcC14NMethod extends ApacheCanonicalizer {
public void init(TransformParameterSpec params)
throws InvalidAlgorithmParameterException {
if (params != null) {
if (!(params instanceof ExcC14NParameterSpec)) {
throw new InvalidAlgorithmParameterException
("params must be of type ExcC14NParameterSpec");
}
this.params = (C14NMethodParameterSpec) params;
}
}
public void init(XMLStructure parent, XMLCryptoContext context)
throws InvalidAlgorithmParameterException {
super.init(parent, context);
Element paramsElem = DOMUtils.getFirstChildElement(transformElem);
if (paramsElem == null) {
this.params = null;
this.inclusiveNamespaces = null;
return;
}
unmarshalParams(paramsElem);
}
private void unmarshalParams(Element paramsElem) {
String prefixListAttr = paramsElem.getAttributeNS(null, "PrefixList");
this.inclusiveNamespaces = prefixListAttr;
int begin = 0;
int end = prefixListAttr.indexOf(' ');
List prefixList = new ArrayList();
while (end != -1) {
prefixList.add(prefixListAttr.substring(begin, end));
begin = end + 1;
end = prefixListAttr.indexOf(' ', begin);
}
if (begin <= prefixListAttr.length()) {
prefixList.add(prefixListAttr.substring(begin));
}
this.params = new ExcC14NParameterSpec(prefixList);
}
public void marshalParams(XMLStructure parent, XMLCryptoContext context)
throws MarshalException {
super.marshalParams(parent, context);
AlgorithmParameterSpec spec = getParameterSpec();
if (spec == null) {
return;
}
String prefix =
DOMUtils.getNSPrefix(context, CanonicalizationMethod.EXCLUSIVE);
Element excElem = DOMUtils.createElement
(ownerDoc, "InclusiveNamespaces",
CanonicalizationMethod.EXCLUSIVE, prefix);
if (prefix == null || prefix.length() == 0) {
excElem.setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns",
CanonicalizationMethod.EXCLUSIVE);
} else {
excElem.setAttributeNS("http://www.w3.org/2000/xmlns/",
"xmlns:" + prefix, CanonicalizationMethod.EXCLUSIVE);
}
ExcC14NParameterSpec params = (ExcC14NParameterSpec) spec;
StringBuffer prefixListAttr = new StringBuffer("");
List prefixList = params.getPrefixList();
for (int i = 0, size = prefixList.size(); i < size; i++) {
prefixListAttr.append((String) prefixList.get(i));
if (i < size - 1) {
prefixListAttr.append(" ");
}
}
DOMUtils.setAttribute(excElem, "PrefixList", prefixListAttr.toString());
this.inclusiveNamespaces = prefixListAttr.toString();
transformElem.appendChild(excElem);
}
public String getParamsNSURI() {
return CanonicalizationMethod.EXCLUSIVE;
}
public Data transform(Data data, XMLCryptoContext xc)
throws TransformException {
// ignore comments if dereferencing same-document URI that require
// you to omit comments, even if the Transform says otherwise -
// this is to be compliant with section 4.3.3.3 of W3C Rec.
if (data instanceof DOMSubTreeData) {
DOMSubTreeData subTree = (DOMSubTreeData) data;
if (subTree.excludeComments()) {
try {
apacheCanonicalizer = Canonicalizer.getInstance
(CanonicalizationMethod.EXCLUSIVE);
} catch (InvalidCanonicalizerException ice) {
throw new TransformException
("Couldn't find Canonicalizer for: " +
CanonicalizationMethod.EXCLUSIVE + ": " +
ice.getMessage(), ice);
}
}
}
return canonicalize(data, xc);
}
}