1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.util;
27
28 import com.sun.xml.internal.bind.Util;
29 import com.sun.xml.internal.bind.v2.Messages;
30 import java.util.logging.Level;
31 import java.util.logging.Logger;
32 import javax.xml.XMLConstants;
33 import javax.xml.parsers.DocumentBuilderFactory;
34 import javax.xml.parsers.ParserConfigurationException;
35 import javax.xml.parsers.SAXParserFactory;
36 import javax.xml.transform.TransformerConfigurationException;
37 import javax.xml.transform.TransformerFactory;
38 import javax.xml.validation.SchemaFactory;
39 import javax.xml.xpath.XPathFactory;
40 import javax.xml.xpath.XPathFactoryConfigurationException;
41 import org.xml.sax.SAXNotRecognizedException;
42 import org.xml.sax.SAXNotSupportedException;
43
44 /**
45 * Provides helper methods for creating properly configured XML parser
46 * factory instances with namespace support turned on and configured for
47 * security.
48 * @author snajper
49 */
50 public class XmlFactory {
51
52 private static final Logger LOGGER = Logger.getLogger(XmlFactory.class.getName());
53
54 /**
55 * If true XML security features when parsing XML documents will be disabled.
56 * The default value is false.
57 *
58 * Boolean
59 * @since 2.2.6
60 */
61 private static final String DISABLE_XML_SECURITY = "com.sun.xml.internal.bind.disableXmlSecurity";
62
63 public static final boolean DISABLE_SECURE_PROCESSING =
64 Boolean.parseBoolean(Util.getSystemProperty(DISABLE_XML_SECURITY));
65
66 private static boolean xmlFeatureValue(boolean runtimeSetting) {
67 return !(DISABLE_SECURE_PROCESSING || runtimeSetting);
68 }
69
70 /**
71 * Returns properly configured (e.g. security features) schema factory
167 * Returns properly configured (e.g. security features) factory
168 * - namespaceAware == true
169 * - securityProcessing == is set based on security processing property, default is true
170 */
171 public static DocumentBuilderFactory createDocumentBuilderFactory(boolean disableSecureProcessing) throws IllegalStateException {
172 try {
173 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
174 if (LOGGER.isLoggable(Level.FINE)) {
175 LOGGER.log(Level.FINE, "DocumentBuilderFactory instance: {0}", factory);
176 }
177 factory.setNamespaceAware(true);
178 factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, xmlFeatureValue(disableSecureProcessing));
179 return factory;
180 } catch (ParserConfigurationException ex) {
181 LOGGER.log(Level.SEVERE, null, ex);
182 throw new IllegalStateException( ex);
183 } catch (AbstractMethodError er) {
184 LOGGER.log(Level.SEVERE, null, er);
185 throw new IllegalStateException(Messages.INVALID_JAXP_IMPLEMENTATION.format(), er);
186 }
187 }
188
189 }
|
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.util;
27
28 import com.sun.xml.internal.bind.Util;
29 import com.sun.xml.internal.bind.v2.Messages;
30 import java.util.logging.Level;
31 import java.util.logging.Logger;
32 import javax.xml.XMLConstants;
33 import javax.xml.parsers.DocumentBuilderFactory;
34 import javax.xml.parsers.ParserConfigurationException;
35 import javax.xml.parsers.SAXParserFactory;
36 import javax.xml.transform.TransformerConfigurationException;
37 import javax.xml.transform.TransformerFactory;
38 import javax.xml.validation.SchemaFactory;
39 import javax.xml.xpath.XPathFactory;
40 import javax.xml.xpath.XPathFactoryConfigurationException;
41
42 import org.xml.sax.SAXException;
43 import org.xml.sax.SAXNotRecognizedException;
44 import org.xml.sax.SAXNotSupportedException;
45
46 /**
47 * Provides helper methods for creating properly configured XML parser
48 * factory instances with namespace support turned on and configured for
49 * security.
50 * @author snajper
51 */
52 public class XmlFactory {
53
54 // not in older JDK, so must be duplicated here, otherwise javax.xml.XMLConstants should be used
55 public static final String ACCESS_EXTERNAL_SCHEMA = "http://javax.xml.XMLConstants/property/accessExternalSchema";
56
57 private static final Logger LOGGER = Logger.getLogger(XmlFactory.class.getName());
58
59 /**
60 * If true XML security features when parsing XML documents will be disabled.
61 * The default value is false.
62 *
63 * Boolean
64 * @since 2.2.6
65 */
66 private static final String DISABLE_XML_SECURITY = "com.sun.xml.internal.bind.disableXmlSecurity";
67
68 public static final boolean DISABLE_SECURE_PROCESSING =
69 Boolean.parseBoolean(Util.getSystemProperty(DISABLE_XML_SECURITY));
70
71 private static boolean xmlFeatureValue(boolean runtimeSetting) {
72 return !(DISABLE_SECURE_PROCESSING || runtimeSetting);
73 }
74
75 /**
76 * Returns properly configured (e.g. security features) schema factory
172 * Returns properly configured (e.g. security features) factory
173 * - namespaceAware == true
174 * - securityProcessing == is set based on security processing property, default is true
175 */
176 public static DocumentBuilderFactory createDocumentBuilderFactory(boolean disableSecureProcessing) throws IllegalStateException {
177 try {
178 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
179 if (LOGGER.isLoggable(Level.FINE)) {
180 LOGGER.log(Level.FINE, "DocumentBuilderFactory instance: {0}", factory);
181 }
182 factory.setNamespaceAware(true);
183 factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, xmlFeatureValue(disableSecureProcessing));
184 return factory;
185 } catch (ParserConfigurationException ex) {
186 LOGGER.log(Level.SEVERE, null, ex);
187 throw new IllegalStateException( ex);
188 } catch (AbstractMethodError er) {
189 LOGGER.log(Level.SEVERE, null, er);
190 throw new IllegalStateException(Messages.INVALID_JAXP_IMPLEMENTATION.format(), er);
191 }
192 }
193
194 public static SchemaFactory allowFileAccess(SchemaFactory sf, boolean disableSecureProcessing) {
195
196 // if feature secure processing enabled, nothing to do, file is allowed,
197 // or user is able to control access by standard JAXP mechanisms
198 if (disableSecureProcessing) {
199 return sf;
200 }
201
202 try {
203 sf.setProperty(ACCESS_EXTERNAL_SCHEMA, "file");
204 LOGGER.log(Level.FINE, Messages.JAXP_SUPPORTED_PROPERTY.format(ACCESS_EXTERNAL_SCHEMA));
205 } catch (SAXException ignored) {
206 // nothing to do; support depends on version JDK or SAX implementation
207 LOGGER.log(Level.CONFIG, Messages.JAXP_UNSUPPORTED_PROPERTY.format(ACCESS_EXTERNAL_SCHEMA), ignored);
208 }
209 return sf;
210 }
211
212 }
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