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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.
*/
package org.apache.wss4j.stax.setup;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.apache.wss4j.common.ext.WSSecurityException;
import org.apache.wss4j.stax.ext.DocumentCreatorImpl;
import org.apache.wss4j.stax.ext.WSSConstants;
import org.apache.wss4j.stax.ext.WSSSecurityProperties;
import org.apache.wss4j.stax.impl.InboundWSSecurityContextImpl;
import org.apache.wss4j.stax.impl.WSSecurityStreamReader;
import org.apache.wss4j.stax.impl.processor.input.OperationInputProcessor;
import org.apache.wss4j.stax.impl.processor.input.SecurityHeaderInputProcessor;
import org.apache.wss4j.stax.impl.processor.input.SignatureConfirmationInputProcessor;
import org.apache.wss4j.stax.securityEvent.WSSecurityEventConstants;
import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.stax.ext.InputProcessor;
import org.apache.xml.security.stax.impl.DocumentContextImpl;
import org.apache.xml.security.stax.impl.InputProcessorChainImpl;
import org.apache.xml.security.stax.impl.processor.input.LogInputProcessor;
import org.apache.xml.security.stax.impl.processor.input.XMLEventReaderInputProcessor;
import org.apache.xml.security.stax.impl.util.IDGenerator;
import org.apache.xml.security.stax.securityEvent.SecurityEvent;
import org.apache.xml.security.stax.securityEvent.SecurityEventListener;
import org.apache.xml.security.stax.securityEvent.TokenSecurityEvent;
import org.apache.xml.security.stax.securityToken.InboundSecurityToken;
import org.apache.xml.security.stax.securityToken.SecurityTokenProvider;
/**
* Inbound Streaming-WebService-Security
* An instance of this class can be retrieved over the WSSec class
*/
public class InboundWSSec {
protected static final transient org.slf4j.Logger LOG =
org.slf4j.LoggerFactory.getLogger(InboundWSSec.class);
private static final XMLInputFactory XML_INPUT_FACTORY = XMLInputFactory.newInstance();
static {
XML_INPUT_FACTORY.setProperty(XMLInputFactory.SUPPORT_DTD, false);
XML_INPUT_FACTORY.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
try {
XML_INPUT_FACTORY.setProperty("org.codehaus.stax2.internNames", true);
XML_INPUT_FACTORY.setProperty("org.codehaus.stax2.internNsUris", true);
XML_INPUT_FACTORY.setProperty("org.codehaus.stax2.preserveLocation", false);
} catch (IllegalArgumentException e) {
LOG.debug(e.getMessage(), e);
//ignore
}
}
private final WSSSecurityProperties securityProperties;
private final boolean initiator;
private final boolean returnSecurityError;
public InboundWSSec(WSSSecurityProperties securityProperties) {
this(securityProperties, false, false);
}
public InboundWSSec(WSSSecurityProperties securityProperties, boolean initiator,
boolean returnSecurityError) {
this.securityProperties = securityProperties;
this.initiator = initiator;
this.returnSecurityError = returnSecurityError;
}
/**
* Warning:
* configure your xmlStreamReader correctly. Otherwise you can create a security hole.
* At minimum configure the following properties:
* xmlInputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, false);
* xmlInputFactory.setProperty(WstxInputProperties.P_MIN_TEXT_SEGMENT, new Integer(8192));
*
* This method is the entry point for the incoming security-engine.
* Hand over the original XMLStreamReader and use the returned one for further processing
*
* @param xmlStreamReader The original XMLStreamReader
* @return A new XMLStreamReader which does transparently the security processing.
* @throws XMLStreamException thrown when a streaming error occurs
* @throws WSSecurityException
*/
public XMLStreamReader processInMessage(
XMLStreamReader xmlStreamReader) throws XMLStreamException, WSSecurityException {
return this.processInMessage(xmlStreamReader, null, (SecurityEventListener)null);
}
/**
* Warning:
* configure your xmlStreamReader correctly. Otherwise you can create a security hole.
* At minimum configure the following properties:
* xmlInputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, false);
* xmlInputFactory.setProperty(WstxInputProperties.P_MIN_TEXT_SEGMENT, new Integer(8192));
*
* This method is the entry point for the incoming security-engine.
* Hand over the original XMLStreamReader and use the returned one for further processing
*
* @param xmlStreamReader The original XMLStreamReader
* @return A new XMLStreamReader which does transparently the security processing.
* @throws XMLStreamException thrown when a streaming error occurs
* @throws WSSecurityException
*/
public XMLStreamReader processInMessage(
XMLStreamReader xmlStreamReader, List requestSecurityEvents
) throws XMLStreamException, WSSecurityException {
return this.processInMessage(xmlStreamReader, requestSecurityEvents, (SecurityEventListener)null);
}
/**
* Warning:
* configure your xmlStreamReader correctly. Otherwise you can create a security hole.
* At minimum configure the following properties:
* xmlInputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, false);
* xmlInputFactory.setProperty(WstxInputProperties.P_MIN_TEXT_SEGMENT, new Integer(8192));
*
* This method is the entry point for the incoming security-engine.
* Hand over the original XMLStreamReader and use the returned one for further processing
*
* @param xmlStreamReader The original XMLStreamReader
* @param securityEventListener A SecurityEventListener to receive security-relevant events.
* @return A new XMLStreamReader which does transparently the security processing.
* @throws XMLStreamException thrown when a streaming error occurs
* @throws WSSecurityException
*/
public XMLStreamReader processInMessage(
XMLStreamReader xmlStreamReader, List requestSecurityEvents,
SecurityEventListener securityEventListener) throws XMLStreamException, WSSecurityException {
return this.processInMessage(xmlStreamReader, requestSecurityEvents,
Collections.singletonList(securityEventListener));
}
/**
* Warning:
* configure your xmlStreamReader correctly. Otherwise you can create a security hole.
* At minimum configure the following properties:
* xmlInputFactory.setProperty(XMLInputFactory.SUPPORT_DTD, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
* xmlInputFactory.setProperty(XMLInputFactory.IS_COALESCING, false);
* xmlInputFactory.setProperty(WstxInputProperties.P_MIN_TEXT_SEGMENT, new Integer(8192));
*
* This method is the entry point for the incoming security-engine.
* Hand over the original XMLStreamReader and use the returned one for further processing
*
* @param xmlStreamReader The original XMLStreamReader
* @param securityEventListeners A list of SecurityEventListeners to receive security-relevant events.
* @return A new XMLStreamReader which does transparently the security processing.
* @throws XMLStreamException thrown when a streaming error occurs
* @throws WSSecurityException
*/
public XMLStreamReader processInMessage(
XMLStreamReader xmlStreamReader, List requestSecurityEvents,
List securityEventListeners) throws XMLStreamException, WSSecurityException {
if (requestSecurityEvents == null) {
requestSecurityEvents = Collections.emptyList();
}
final InboundWSSecurityContextImpl securityContextImpl = new InboundWSSecurityContextImpl();
securityContextImpl.putList(SecurityEvent.class, requestSecurityEvents);
if (securityEventListeners != null) {
for (SecurityEventListener securityEventListener : securityEventListeners) {
securityContextImpl.addSecurityEventListener(securityEventListener);
}
}
securityContextImpl.ignoredBSPRules(this.securityProperties.getIgnoredBSPRules());
securityContextImpl.setDisableBSPEnforcement(this.securityProperties.isDisableBSPEnforcement());
securityContextImpl.setAllowRSA15KeyTransportAlgorithm(this.securityProperties.isAllowRSA15KeyTransportAlgorithm());
securityContextImpl.setSoap12(this.securityProperties.isSoap12());
if (securityProperties.getDocumentCreator() == null) {
try {
securityProperties.setDocumentCreator(new DocumentCreatorImpl());
} catch (ParserConfigurationException e) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, e);
}
}
if (!requestSecurityEvents.isEmpty()) {
try {
Iterator securityEventIterator = requestSecurityEvents.iterator();
while (securityEventIterator.hasNext()) {
SecurityEvent securityEvent = securityEventIterator.next();
if (securityEvent instanceof TokenSecurityEvent) {
@SuppressWarnings("unchecked")
final TokenSecurityEvent tokenSecurityEvent =
(TokenSecurityEvent)securityEvent;
if (WSSecurityEventConstants.HTTPS_TOKEN.equals(securityEvent.getSecurityEventType())) {
securityContextImpl.registerSecurityEvent(securityEvent);
securityContextImpl.put(WSSConstants.TRANSPORT_SECURITY_ACTIVE, Boolean.TRUE);
}
SecurityTokenProvider securityTokenProvider =
new SecurityTokenProvider() {
private String id;
@Override
public InboundSecurityToken getSecurityToken() throws XMLSecurityException {
return tokenSecurityEvent.getSecurityToken();
}
@Override
public String getId() {
if (this.id == null) {
this.id = tokenSecurityEvent.getSecurityToken().getId();
if (this.id == null) {
this.id = IDGenerator.generateID(null);
}
}
return this.id;
}
};
securityContextImpl.registerSecurityTokenProvider(securityTokenProvider.getId(), securityTokenProvider);
}
}
} catch (XMLSecurityException e) {
throw new WSSecurityException(WSSecurityException.ErrorCode.FAILED_CHECK, e);
}
}
securityContextImpl.put(WSSConstants.XMLINPUTFACTORY, XML_INPUT_FACTORY);
DocumentContextImpl documentContext = new DocumentContextImpl();
documentContext.setEncoding(xmlStreamReader.getEncoding() != null ? xmlStreamReader.getEncoding() : StandardCharsets.UTF_8.name());
InputProcessorChainImpl inputProcessorChain = new InputProcessorChainImpl(securityContextImpl, documentContext);
inputProcessorChain.addProcessor(new XMLEventReaderInputProcessor(securityProperties, xmlStreamReader));
inputProcessorChain.addProcessor(new SecurityHeaderInputProcessor(securityProperties));
inputProcessorChain.addProcessor(new OperationInputProcessor(securityProperties));
if (securityProperties.isEnableSignatureConfirmationVerification()) {
inputProcessorChain.addProcessor(new SignatureConfirmationInputProcessor(securityProperties));
}
if (LOG.isTraceEnabled()) {
LogInputProcessor logInputProcessor = new LogInputProcessor(securityProperties);
logInputProcessor.addAfterProcessor(SecurityHeaderInputProcessor.class.getName());
inputProcessorChain.addProcessor(logInputProcessor);
}
List additionalInputProcessors = securityProperties.getInputProcessorList();
if (!additionalInputProcessors.isEmpty()) {
Iterator inputProcessorIterator = additionalInputProcessors.iterator();
while (inputProcessorIterator.hasNext()) {
InputProcessor inputProcessor = inputProcessorIterator.next();
inputProcessorChain.addProcessor(inputProcessor);
}
}
return new WSSecurityStreamReader(inputProcessorChain, securityProperties, initiator, returnSecurityError);
}
}
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