1 /*
2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
3 */
4 /*
5 * Licensed to the Apache Software Foundation (ASF) under one or more
6 * contributor license agreements. See the NOTICE file distributed with
7 * this work for additional information regarding copyright ownership.
8 * The ASF licenses this file to You under the Apache License, Version 2.0
9 * (the "License"); you may not use this file except in compliance with
10 * the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 package com.sun.org.apache.xerces.internal.jaxp.validation;
21
22 import com.sun.org.apache.xerces.internal.impl.Constants;
23 import com.sun.org.apache.xerces.internal.impl.XMLErrorReporter;
24 import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter;
25 import com.sun.org.apache.xerces.internal.parsers.XML11Configuration;
26 import com.sun.org.apache.xerces.internal.utils.XMLSecurityManager;
27 import com.sun.org.apache.xerces.internal.xni.XNIException;
28 import com.sun.org.apache.xerces.internal.xni.parser.XMLInputSource;
29 import com.sun.org.apache.xerces.internal.xni.parser.XMLParseException;
30 import com.sun.org.apache.xerces.internal.xni.parser.XMLParserConfiguration;
31 import java.io.IOException;
32 import java.lang.ref.SoftReference;
33 import javax.xml.XMLConstants;
34 import javax.xml.catalog.CatalogFeatures;
35 import javax.xml.transform.Result;
36 import javax.xml.transform.Source;
37 import javax.xml.transform.TransformerConfigurationException;
38 import javax.xml.transform.TransformerFactory;
39 import javax.xml.transform.TransformerFactoryConfigurationError;
40 import javax.xml.transform.sax.SAXTransformerFactory;
41 import javax.xml.transform.sax.TransformerHandler;
42 import javax.xml.transform.stream.StreamResult;
43 import javax.xml.transform.stream.StreamSource;
44 import jdk.xml.internal.JdkXmlFeatures;
45 import jdk.xml.internal.JdkXmlUtils;
46 import org.xml.sax.SAXException;
47
48 /**
49 * <p>
50 * A validator helper for <code>StreamSource</code>s.</p>
51 *
52 * @author Michael Glavassevich, IBM
53 * @author <a href="mailto:Sunitha.Reddy@Sun.com">Sunitha Reddy</a>
54 */
55 final class StreamValidatorHelper implements ValidatorHelper {
56
57 // feature identifiers
58 /**
59 * Feature identifier: parser settings.
60 */
61 private static final String PARSER_SETTINGS
62 = Constants.XERCES_FEATURE_PREFIX + Constants.PARSER_SETTINGS;
63
64 // property identifiers
65 /**
66 * Property identifier: entity resolver.
67 */
68 private static final String ENTITY_RESOLVER
69 = Constants.XERCES_PROPERTY_PREFIX + Constants.ENTITY_RESOLVER_PROPERTY;
70
71 /**
72 * Property identifier: error handler.
73 */
74 private static final String ERROR_HANDLER
75 = Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_HANDLER_PROPERTY;
76
77 /**
78 * Property identifier: error reporter.
79 */
80 private static final String ERROR_REPORTER
81 = Constants.XERCES_PROPERTY_PREFIX + Constants.ERROR_REPORTER_PROPERTY;
82
83 /**
84 * Property identifier: XML Schema validator.
85 */
86 private static final String SCHEMA_VALIDATOR
87 = Constants.XERCES_PROPERTY_PREFIX + Constants.SCHEMA_VALIDATOR_PROPERTY;
88
89 /**
90 * Property identifier: symbol table.
91 */
92 private static final String SYMBOL_TABLE
93 = Constants.XERCES_PROPERTY_PREFIX + Constants.SYMBOL_TABLE_PROPERTY;
94
95 /**
96 * Property identifier: validation manager.
97 */
98 private static final String VALIDATION_MANAGER
99 = Constants.XERCES_PROPERTY_PREFIX + Constants.VALIDATION_MANAGER_PROPERTY;
100
101 private static final String DEFAULT_TRANSFORMER_IMPL
102 = "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl";
103
104 /**
105 * Property id: security manager.
106 */
107 private static final String SECURITY_MANAGER
108 = Constants.XERCES_PROPERTY_PREFIX + Constants.SECURITY_MANAGER_PROPERTY;
109
110 //
111 // Data
112 //
113 /**
114 * SoftReference to parser configuration. *
115 */
116 private SoftReference<XMLParserConfiguration> fConfiguration = new SoftReference<>(null);
117
118 /**
119 * Schema validator. *
120 */
121 private com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator fSchemaValidator;
122
123 /**
124 * Component manager. *
125 */
126 private XMLSchemaValidatorComponentManager fComponentManager;
127
128 private ValidatorHandlerImpl handler = null;
129
130 public StreamValidatorHelper(XMLSchemaValidatorComponentManager componentManager) {
131 fComponentManager = componentManager;
132 fSchemaValidator = (com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator)
133 fComponentManager.getProperty(SCHEMA_VALIDATOR);
134 }
135
136 public void validate(Source source, Result result)
137 throws SAXException, IOException {
138 if (result == null || result instanceof StreamResult) {
139 final StreamSource streamSource = (StreamSource) source;
140 TransformerHandler identityTransformerHandler;
141
142 if (result != null) {
143 try {
144 SAXTransformerFactory tf = fComponentManager.getFeature(
145 Constants.ORACLE_FEATURE_SERVICE_MECHANISM) ?
146 (SAXTransformerFactory) SAXTransformerFactory.newInstance() :
147 (SAXTransformerFactory) TransformerFactory.newInstance(
148 DEFAULT_TRANSFORMER_IMPL,
149 StreamValidatorHelper.class.getClassLoader());
150 identityTransformerHandler = tf.newTransformerHandler();
151 } catch (TransformerConfigurationException e) {
152 throw new TransformerFactoryConfigurationError(e);
153 }
154
155 handler = new ValidatorHandlerImpl(fComponentManager);
156 handler.setContentHandler(identityTransformerHandler);
157 identityTransformerHandler.setResult(result);
158 }
159
160 XMLInputSource input = new XMLInputSource(streamSource.getPublicId(),
161 streamSource.getSystemId(), null, false);
162 input.setByteStream(streamSource.getInputStream());
163 input.setCharacterStream(streamSource.getReader());
164
165 // Gets the parser configuration. We'll create and initialize a new one, if we
166 // haven't created one before or if the previous one was garbage collected.
167 XMLParserConfiguration config = fConfiguration.get();
168 if (config == null) {
169 config = initialize();
170 }
171 // If settings have changed on the component manager, refresh the error handler and entity resolver.
172 else if (fComponentManager.getFeature(PARSER_SETTINGS)) {
173 config.setProperty(ENTITY_RESOLVER, fComponentManager.getProperty(ENTITY_RESOLVER));
174 config.setProperty(ERROR_HANDLER, fComponentManager.getProperty(ERROR_HANDLER));
175 }
176
177 // prepare for parse
178 fComponentManager.reset();
179 fSchemaValidator.setDocumentHandler(handler);
180
181 try {
182 config.parse(input);
183 } catch (XMLParseException e) {
184 throw Util.toSAXParseException(e);
185 } catch (XNIException e) {
186 throw Util.toSAXException(e);
187 }
188 return;
189 }
190 throw new IllegalArgumentException(JAXPValidationMessageFormatter.formatMessage(
191 fComponentManager.getLocale(),
192 "SourceResultMismatch",
193 new Object[]{source.getClass().getName(), result.getClass().getName()}));
194 }
195
196 private XMLParserConfiguration initialize() {
197 XML11Configuration config = new XML11Configuration();
198 if (fComponentManager.getFeature(XMLConstants.FEATURE_SECURE_PROCESSING)) {
199 config.setProperty(SECURITY_MANAGER, new XMLSecurityManager());
200 }
201 config.setProperty(ENTITY_RESOLVER, fComponentManager.getProperty(ENTITY_RESOLVER));
202 config.setProperty(ERROR_HANDLER, fComponentManager.getProperty(ERROR_HANDLER));
203 XMLErrorReporter errorReporter = (XMLErrorReporter) fComponentManager.getProperty(ERROR_REPORTER);
204 config.setProperty(ERROR_REPORTER, errorReporter);
205 // add message formatters
206 if (errorReporter.getMessageFormatter(XMLMessageFormatter.XML_DOMAIN) == null) {
207 XMLMessageFormatter xmft = new XMLMessageFormatter();
208 errorReporter.putMessageFormatter(XMLMessageFormatter.XML_DOMAIN, xmft);
209 errorReporter.putMessageFormatter(XMLMessageFormatter.XMLNS_DOMAIN, xmft);
210 }
211 config.setProperty(SYMBOL_TABLE, fComponentManager.getProperty(SYMBOL_TABLE));
212 config.setProperty(VALIDATION_MANAGER, fComponentManager.getProperty(VALIDATION_MANAGER));
213 config.setDocumentHandler(fSchemaValidator);
214 config.setDTDHandler(null);
215 config.setDTDContentModelHandler(null);
216 config.setProperty(Constants.XML_SECURITY_PROPERTY_MANAGER,
217 fComponentManager.getProperty(Constants.XML_SECURITY_PROPERTY_MANAGER));
218 config.setProperty(Constants.SECURITY_MANAGER,
219 fComponentManager.getProperty(Constants.SECURITY_MANAGER));
220
221 // Passing on the CatalogFeatures settings
222 JdkXmlUtils.catalogFeaturesConfig2Config(fComponentManager, config);
223
224 config.setProperty(JdkXmlUtils.CDATA_CHUNK_SIZE,
225 fComponentManager.getProperty(JdkXmlUtils.CDATA_CHUNK_SIZE));
226
227 fConfiguration = new SoftReference<>(config);
228 return config;
229 }
230
231 } // StreamValidatorHelper