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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* Portions contributed by Joseph Walton (Atlassian)
*/
package com.sun.jersey.core.impl.provider.xml;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.XMLConstants;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.validation.Schema;
import com.sun.jersey.core.util.SaxHelper;
import com.sun.jersey.impl.ImplMessages;
import org.xml.sax.EntityResolver;
import org.xml.sax.HandlerBase;
import org.xml.sax.InputSource;
import org.xml.sax.Parser;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
/**
* @author Martin Matula (martin.matula at oracle.com)
* @author Michal Gajdos (michal.gajdos at oracle.com)
*/
final class SecureSAXParserFactory extends SAXParserFactory {
private static final Logger LOGGER = Logger.getLogger(SecureSAXParserFactory.class.getName());
private static final EntityResolver EMPTY_ENTITY_RESOLVER = new EntityResolver() {
public InputSource resolveEntity(String publicId, String systemId) {
return new InputSource(new ByteArrayInputStream(new byte[0]));
}
};
private final SAXParserFactory spf;
SecureSAXParserFactory(SAXParserFactory spf) {
this.spf = spf;
if (SaxHelper.isXdkParserFactory(spf)) {
LOGGER.log(Level.WARNING, ImplMessages.SAX_XDK_NO_SECURITY_FEATURES());
} else {
try {
spf.setFeature("http://xml.org/sax/features/external-general-entities", Boolean.FALSE);
spf.setFeature("http://xml.org/sax/features/external-parameter-entities", Boolean.FALSE);
} catch (Exception ex) {
throw new RuntimeException(ImplMessages.SAX_CANNOT_ENABLE_SECURITY_FEATURES(), ex);
}
try {
spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, Boolean.TRUE);
} catch (Exception ex) {
LOGGER.log(Level.WARNING, ImplMessages.SAX_CANNOT_ENABLE_SECURE_PROCESSING_FEATURE(), ex);
}
}
}
@Override
public void setNamespaceAware(boolean b) {
spf.setNamespaceAware(b);
}
@Override
public void setValidating(boolean b) {
spf.setValidating(b);
}
@Override
public boolean isNamespaceAware() {
return spf.isNamespaceAware();
}
@Override
public boolean isValidating() {
return spf.isValidating();
}
@Override
public Schema getSchema() {
return spf.getSchema();
}
@Override
public void setSchema(Schema schema) {
spf.setSchema(schema);
}
@Override
public void setXIncludeAware(boolean b) {
spf.setXIncludeAware(b);
}
@Override
public boolean isXIncludeAware() {
return spf.isXIncludeAware();
}
@Override
public SAXParser newSAXParser() throws ParserConfigurationException, SAXException {
return new WrappingSAXParser(spf.newSAXParser());
}
@Override
public void setFeature(String s, boolean b) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
spf.setFeature(s, b);
}
@Override
public boolean getFeature(String s) throws ParserConfigurationException, SAXNotRecognizedException, SAXNotSupportedException {
return spf.getFeature(s);
}
private static final class WrappingSAXParser extends SAXParser {
private final SAXParser sp;
protected WrappingSAXParser(SAXParser sp) {
this.sp = sp;
}
@Override
public void reset() {
sp.reset();
}
@Override
public void parse(InputStream inputStream, HandlerBase handlerBase) throws SAXException, IOException {
sp.parse(inputStream, handlerBase);
}
@Override
public void parse(InputStream inputStream, HandlerBase handlerBase, String s) throws SAXException, IOException {
sp.parse(inputStream, handlerBase, s);
}
@Override
public void parse(InputStream inputStream, DefaultHandler defaultHandler) throws SAXException, IOException {
sp.parse(inputStream, defaultHandler);
}
@Override
public void parse(InputStream inputStream, DefaultHandler defaultHandler, String s) throws SAXException, IOException {
sp.parse(inputStream, defaultHandler, s);
}
@Override
public void parse(String s, HandlerBase handlerBase) throws SAXException, IOException {
sp.parse(s, handlerBase);
}
@Override
public void parse(String s, DefaultHandler defaultHandler) throws SAXException, IOException {
sp.parse(s, defaultHandler);
}
@Override
public void parse(File file, HandlerBase handlerBase) throws SAXException, IOException {
sp.parse(file, handlerBase);
}
@Override
public void parse(File file, DefaultHandler defaultHandler) throws SAXException, IOException {
sp.parse(file, defaultHandler);
}
@Override
public void parse(InputSource inputSource, HandlerBase handlerBase) throws SAXException, IOException {
sp.parse(inputSource, handlerBase);
}
@Override
public void parse(InputSource inputSource, DefaultHandler defaultHandler) throws SAXException, IOException {
sp.parse(inputSource, defaultHandler);
}
@Override
public Parser getParser() throws SAXException {
return sp.getParser();
}
@Override
public XMLReader getXMLReader() throws SAXException {
XMLReader r = sp.getXMLReader();
r.setEntityResolver(EMPTY_ENTITY_RESOLVER);
return r;
}
@Override
public boolean isNamespaceAware() {
return sp.isNamespaceAware();
}
@Override
public boolean isValidating() {
return sp.isValidating();
}
@Override
public void setProperty(String s, Object o) throws SAXNotRecognizedException, SAXNotSupportedException {
sp.setProperty(s, o);
}
@Override
public Object getProperty(String s) throws SAXNotRecognizedException, SAXNotSupportedException {
return sp.getProperty(s);
}
@Override
public Schema getSchema() {
return sp.getSchema();
}
@Override
public boolean isXIncludeAware() {
return sp.isXIncludeAware();
}
}
}
