| /** |
| * 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. |
| */ |
| package org.apache.xml.security.stax.impl.transformer.canonicalizer; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.xml.security.exceptions.XMLSecurityException; |
| import org.apache.xml.security.stax.ext.stax.XMLSecAttribute; |
| import org.apache.xml.security.stax.ext.stax.XMLSecEvent; |
| import org.apache.xml.security.stax.ext.stax.XMLSecEventFactory; |
| import org.apache.xml.security.stax.ext.stax.XMLSecNamespace; |
| import org.apache.xml.security.stax.ext.stax.XMLSecStartElement; |
| |
| /** |
| */ |
| public abstract class Canonicalizer20010315_Excl extends CanonicalizerBase { |
| |
| public static final String INCLUSIVE_NAMESPACES_PREFIX_LIST = "inclusiveNamespacePrefixList"; |
| public static final String PROPAGATE_DEFAULT_NAMESPACE = "propagateDefaultNamespace"; |
| |
| protected List<String> inclusiveNamespaces; |
| protected boolean propagateDefaultNamespace = false; |
| |
| public Canonicalizer20010315_Excl(boolean includeComments) { |
| super(includeComments); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public void setProperties(Map<String, Object> properties) throws XMLSecurityException { |
| this.inclusiveNamespaces = getPrefixList((List<String>)properties.get(INCLUSIVE_NAMESPACES_PREFIX_LIST)); |
| Boolean propagateDfltNs = (Boolean)properties.get(PROPAGATE_DEFAULT_NAMESPACE); |
| if (propagateDfltNs != null) { |
| propagateDefaultNamespace = propagateDfltNs; |
| } |
| } |
| |
| protected static List<String> getPrefixList(List<String> inclusiveNamespaces) { |
| |
| if (inclusiveNamespaces == null || inclusiveNamespaces.isEmpty()) { |
| return null; |
| } |
| |
| final List<String> prefixes = new ArrayList<>(inclusiveNamespaces.size()); |
| |
| for (int i = 0; i < inclusiveNamespaces.size(); i++) { |
| final String s = inclusiveNamespaces.get(i).intern(); |
| if ("#default".equals(s)) { |
| prefixes.add(""); |
| } else { |
| prefixes.add(s); |
| } |
| } |
| return prefixes; |
| } |
| |
| @Override |
| protected List<XMLSecNamespace> getCurrentUtilizedNamespaces(final XMLSecStartElement xmlSecStartElement, |
| final C14NStack<XMLSecEvent> outputStack) { |
| List<XMLSecNamespace> utilizedNamespaces = Collections.emptyList(); |
| |
| XMLSecNamespace elementNamespace = xmlSecStartElement.getElementNamespace(); |
| final XMLSecNamespace found = (XMLSecNamespace) outputStack.containsOnStack(elementNamespace); |
| //found means the prefix matched. so check the ns further |
| if (found == null || found.getNamespaceURI() == null || !found.getNamespaceURI().equals(elementNamespace.getNamespaceURI())) { |
| utilizedNamespaces = new ArrayList<>(2); |
| utilizedNamespaces.add(elementNamespace); |
| outputStack.peek().add(elementNamespace); |
| } |
| |
| List<XMLSecAttribute> comparableAttributes = xmlSecStartElement.getOnElementDeclaredAttributes(); |
| for (int i = 0; i < comparableAttributes.size(); i++) { |
| XMLSecAttribute comparableAttribute = comparableAttributes.get(i); |
| XMLSecNamespace attributeNamespace = comparableAttribute.getAttributeNamespace(); |
| if ("xml".equals(attributeNamespace.getPrefix())) { |
| continue; |
| } |
| if (attributeNamespace.getNamespaceURI() == null || attributeNamespace.getNamespaceURI().isEmpty()) { |
| continue; |
| } |
| final XMLSecNamespace resultNamespace = (XMLSecNamespace) outputStack.containsOnStack(attributeNamespace); |
| //resultNamespace means the prefix matched. so check the ns further |
| if (resultNamespace == null || resultNamespace.getNamespaceURI() == null |
| || !resultNamespace.getNamespaceURI().equals(attributeNamespace.getNamespaceURI())) { |
| |
| if (utilizedNamespaces == Collections.<XMLSecNamespace>emptyList()) { |
| utilizedNamespaces = new ArrayList<>(2); |
| } |
| utilizedNamespaces.add(attributeNamespace); |
| outputStack.peek().add(attributeNamespace); |
| } |
| } |
| |
| if (this.inclusiveNamespaces != null) { |
| for (int i = 0; i < inclusiveNamespaces.size(); i++) { |
| final String prefix = inclusiveNamespaces.get(i); |
| String ns = xmlSecStartElement.getNamespaceURI(prefix); |
| if (ns == null && prefix.isEmpty()) { |
| ns = ""; |
| } else if (ns == null) { |
| continue; |
| } |
| |
| final XMLSecNamespace comparableNamespace = XMLSecEventFactory.createXMLSecNamespace(prefix, ns); |
| |
| XMLSecNamespace resultNamespace = (XMLSecNamespace)outputStack.containsOnStack(comparableNamespace); |
| //resultNamespace means the prefix matched. so check the ns further |
| if (resultNamespace == null || resultNamespace.getNamespaceURI() == null |
| || !resultNamespace.getNamespaceURI().equals(comparableNamespace.getNamespaceURI()) |
| || firstCall && propagateDefaultNamespace && !utilizedNamespaces.contains(comparableNamespace)) { |
| |
| if (utilizedNamespaces == Collections.<XMLSecNamespace>emptyList()) { |
| utilizedNamespaces = new ArrayList<>(2); |
| } |
| utilizedNamespaces.add(comparableNamespace); |
| outputStack.peek().add(comparableNamespace); |
| } |
| } |
| } |
| |
| return utilizedNamespaces; |
| } |
| |
| @Override |
| protected List<XMLSecNamespace> getInitialUtilizedNamespaces(final XMLSecStartElement xmlSecStartElement, |
| final C14NStack<XMLSecEvent> outputStack) { |
| return getCurrentUtilizedNamespaces(xmlSecStartElement, outputStack); |
| } |
| |
| @Override |
| protected List<XMLSecAttribute> getInitialUtilizedAttributes(final XMLSecStartElement xmlSecStartElement, |
| final C14NStack<XMLSecEvent> outputStack) { |
| List<XMLSecAttribute> utilizedAttributes = Collections.emptyList(); |
| List<XMLSecAttribute> comparableAttributes = xmlSecStartElement.getOnElementDeclaredAttributes(); |
| for (int i = 0; i < comparableAttributes.size(); i++) { |
| XMLSecAttribute comparableAttribute = comparableAttributes.get(i); |
| if (utilizedAttributes == Collections.<XMLSecAttribute>emptyList()) { |
| utilizedAttributes = new ArrayList<>(2); |
| } |
| utilizedAttributes.add(comparableAttribute); |
| } |
| return utilizedAttributes; |
| } |
| } |