| /** |
| * 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. |
| */ |
| /* |
| * Copyright 2005 Sun Microsystems, Inc. All rights reserved. |
| */ |
| package org.apache.jcp.xml.dsig.internal.dom; |
| |
| import java.security.Provider; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import javax.xml.crypto.MarshalException; |
| import javax.xml.crypto.XMLCryptoContext; |
| import javax.xml.crypto.XMLStructure; |
| import javax.xml.crypto.dom.DOMCryptoContext; |
| import javax.xml.crypto.dsig.XMLSignature; |
| import javax.xml.crypto.dsig.dom.DOMSignContext; |
| import javax.xml.crypto.dsig.keyinfo.KeyInfo; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * DOM-based implementation of KeyInfo. |
| * |
| */ |
| public final class DOMKeyInfo extends DOMStructure implements KeyInfo { |
| |
| private final String id; |
| private final List<XMLStructure> keyInfoTypes; |
| |
| /** |
| * A utility function to suppress casting warnings. |
| * @param ki |
| * @return the content of a KeyInfo Object |
| */ |
| @SuppressWarnings("unchecked") |
| public static List<XMLStructure> getContent(KeyInfo ki) { |
| return ki.getContent(); |
| } |
| |
| /** |
| * Creates a <code>DOMKeyInfo</code>. |
| * |
| * @param content a list of one or more {@link XMLStructure}s representing |
| * key information types. The list is defensively copied to protect |
| * against subsequent modification. |
| * @param id an ID attribute |
| * @throws NullPointerException if <code>content</code> is <code>null</code> |
| * @throws IllegalArgumentException if <code>content</code> is empty |
| * @throws ClassCastException if <code>content</code> contains any entries |
| * that are not of type {@link XMLStructure} |
| */ |
| public DOMKeyInfo(List<? extends XMLStructure> content, String id) { |
| if (content == null) { |
| throw new NullPointerException("content cannot be null"); |
| } |
| this.keyInfoTypes = |
| Collections.unmodifiableList(new ArrayList<>(content)); |
| if (this.keyInfoTypes.isEmpty()) { |
| throw new IllegalArgumentException("content cannot be empty"); |
| } |
| for (int i = 0, size = this.keyInfoTypes.size(); i < size; i++) { |
| if (!(this.keyInfoTypes.get(i) instanceof XMLStructure)) { |
| throw new ClassCastException |
| ("content["+i+"] is not a valid KeyInfo type"); |
| } |
| } |
| this.id = id; |
| } |
| |
| /** |
| * Creates a <code>DOMKeyInfo</code> from XML. |
| * |
| * @param kiElem KeyInfo element |
| */ |
| public DOMKeyInfo(Element kiElem, XMLCryptoContext context, |
| Provider provider) |
| throws MarshalException |
| { |
| // get Id attribute, if specified |
| Attr attr = kiElem.getAttributeNodeNS(null, "Id"); |
| if (attr != null) { |
| id = attr.getValue(); |
| kiElem.setIdAttributeNode(attr, true); |
| } else { |
| id = null; |
| } |
| |
| // get all children nodes |
| List<XMLStructure> content = new ArrayList<>(); |
| Node firstChild = kiElem.getFirstChild(); |
| if (firstChild == null) { |
| throw new MarshalException("KeyInfo must contain at least one type"); |
| } |
| while (firstChild != null) { |
| if (firstChild.getNodeType() == Node.ELEMENT_NODE) { |
| Element childElem = (Element)firstChild; |
| String localName = childElem.getLocalName(); |
| String namespace = childElem.getNamespaceURI(); |
| if ("X509Data".equals(localName) && XMLSignature.XMLNS.equals(namespace)) { |
| content.add(new DOMX509Data(childElem)); |
| } else if ("KeyName".equals(localName) && XMLSignature.XMLNS.equals(namespace)) { |
| content.add(new DOMKeyName(childElem)); |
| } else if ("KeyValue".equals(localName) && XMLSignature.XMLNS.equals(namespace)) { |
| content.add(DOMKeyValue.unmarshal(childElem)); |
| } else if ("RetrievalMethod".equals(localName) && XMLSignature.XMLNS.equals(namespace)) { |
| content.add(new DOMRetrievalMethod(childElem, |
| context, provider)); |
| } else if ("PGPData".equals(localName) && XMLSignature.XMLNS.equals(namespace)) { |
| content.add(new DOMPGPData(childElem)); |
| } else { //may be MgmtData, SPKIData or element from other namespace |
| content.add(new javax.xml.crypto.dom.DOMStructure(childElem)); |
| } |
| } |
| firstChild = firstChild.getNextSibling(); |
| } |
| keyInfoTypes = Collections.unmodifiableList(content); |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public List<XMLStructure> getContent() { |
| return keyInfoTypes; |
| } |
| |
| public void marshal(XMLStructure parent, XMLCryptoContext context) |
| throws MarshalException |
| { |
| if (parent == null) { |
| throw new NullPointerException("parent is null"); |
| } |
| if (!(parent instanceof javax.xml.crypto.dom.DOMStructure)) { |
| throw new ClassCastException("parent must be of type DOMStructure"); |
| } |
| |
| Node pNode = ((javax.xml.crypto.dom.DOMStructure)parent).getNode(); |
| String dsPrefix = DOMUtils.getSignaturePrefix(context); |
| Element kiElem = DOMUtils.createElement |
| (DOMUtils.getOwnerDocument(pNode), "KeyInfo", |
| XMLSignature.XMLNS, dsPrefix); |
| if (dsPrefix == null || dsPrefix.length() == 0) { |
| kiElem.setAttributeNS("http://www.w3.org/2000/xmlns/", |
| "xmlns", XMLSignature.XMLNS); |
| } else { |
| kiElem.setAttributeNS("http://www.w3.org/2000/xmlns/", |
| "xmlns:" + dsPrefix, XMLSignature.XMLNS); |
| } |
| |
| Node nextSibling = null; |
| if (context instanceof DOMSignContext) { |
| nextSibling = ((DOMSignContext)context).getNextSibling(); |
| } |
| marshal(pNode, kiElem, nextSibling, dsPrefix, (DOMCryptoContext)context); |
| } |
| |
| @Override |
| public void marshal(Node parent, String dsPrefix, |
| DOMCryptoContext context) |
| throws MarshalException |
| { |
| marshal(parent, null, dsPrefix, context); |
| } |
| |
| public void marshal(Node parent, Node nextSibling, String dsPrefix, |
| DOMCryptoContext context) |
| throws MarshalException |
| { |
| Document ownerDoc = DOMUtils.getOwnerDocument(parent); |
| Element kiElem = DOMUtils.createElement(ownerDoc, "KeyInfo", |
| XMLSignature.XMLNS, dsPrefix); |
| marshal(parent, kiElem, nextSibling, dsPrefix, context); |
| } |
| |
| private void marshal(Node parent, Element kiElem, Node nextSibling, |
| String dsPrefix, DOMCryptoContext context) |
| throws MarshalException |
| { |
| // create and append KeyInfoType elements |
| for (XMLStructure kiType : keyInfoTypes) { |
| if (kiType instanceof DOMStructure) { |
| ((DOMStructure)kiType).marshal(kiElem, dsPrefix, context); |
| } else { |
| DOMUtils.appendChild(kiElem, |
| ((javax.xml.crypto.dom.DOMStructure)kiType).getNode()); |
| } |
| } |
| |
| // append id attribute |
| DOMUtils.setAttributeID(kiElem, "Id", id); |
| |
| parent.insertBefore(kiElem, nextSibling); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (!(o instanceof KeyInfo)) { |
| return false; |
| } |
| KeyInfo oki = (KeyInfo)o; |
| |
| boolean idsEqual = id == null ? oki.getId() == null |
| : id.equals(oki.getId()); |
| |
| return keyInfoTypes.equals(oki.getContent()) && idsEqual; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = 17; |
| if (id != null) { |
| result = 31 * result + id.hashCode(); |
| } |
| result = 31 * result + keyInfoTypes.hashCode(); |
| |
| return result; |
| } |
| } |