1 /*
2 * Copyright (c) 2015, 2016, 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 package jdk.xml.internal;
26
27 import java.io.File;
28 import java.io.FileInputStream;
29 import java.io.FileNotFoundException;
30 import java.io.IOException;
31 import java.io.InputStream;
32 import java.security.AccessController;
33 import java.security.PrivilegedAction;
34 import java.security.PrivilegedActionException;
35 import java.security.PrivilegedExceptionAction;
36 import java.text.MessageFormat;
37 import java.util.Locale;
38 import java.util.Properties;
39 import java.util.ResourceBundle;
40
41 /**
42 * This class contains utility methods for reading resources in the JAXP packages
43 */
44 public class SecuritySupport {
45 /**
46 * Cache for properties in java.home/conf/jaxp.properties
47 */
48 static final Properties cacheProps = new Properties();
49
50 /**
51 * Flag indicating whether java.home/conf/jaxp.properties has been read
52 */
53 static volatile boolean firstTime = true;
54
55 private SecuritySupport() {}
56
57 public static String getErrorMessage(Locale locale, String bundle, String key,
58 Object[] arguments) {
59 ResourceBundle rb;
60 if (locale != null) {
61 rb = ResourceBundle.getBundle(bundle,locale);
62 } else {
63 rb = ResourceBundle.getBundle(bundle);
64 }
65
66 String msg = rb.getString(key);
67 if (arguments != null) {
68 msg = MessageFormat.format(msg, arguments);
69 }
70 return msg;
71 }
72
73 /**
74 * Reads JAXP system property with privilege
75 *
76 * @param propName the name of the property
77 * @return the value of the property
78 */
79 public static String getSystemProperty(final String propName) {
80 return
81 AccessController.doPrivileged(
82 (PrivilegedAction<String>) () -> (String)System.getProperty(propName));
83 }
84
85 /**
86 * Reads a system property.
87 *
88 * @param <T> the type of the property value
89 * @param type the type of the property value
90 * @param propName the name of the property
91 * @param defValue the default value
92 * @return the value of the property, or the default value of no system
93 * property is found
94 */
95 public static <T> T getJAXPSystemProperty(Class<T> type, String propName, String defValue) {
96 String value = getJAXPSystemProperty(propName);
97 if (value == null) {
98 value = defValue;
99 }
100 if (Integer.class.isAssignableFrom(type)) {
101 return type.cast(Integer.parseInt(value));
102 } else if (Boolean.class.isAssignableFrom(type)) {
103 return type.cast(Boolean.parseBoolean(value));
104 }
105 return type.cast(value);
106 }
107
108 /**
109 * Reads JAXP system property in this order: system property,
110 * $java.home/conf/jaxp.properties if the system property is not specified
111 *
112 * @param propName the name of the property
119 }
120 return value;
121 }
122
123 /**
124 * Reads the specified property from $java.home/conf/jaxp.properties
125 *
126 * @param propName the name of the property
127 * @return the value of the property
128 */
129 public static String readJAXPProperty(String propName) {
130 String value = null;
131 InputStream is = null;
132 try {
133 if (firstTime) {
134 synchronized (cacheProps) {
135 if (firstTime) {
136 String configFile = getSystemProperty("java.home") + File.separator
137 + "conf" + File.separator + "jaxp.properties";
138 File f = new File(configFile);
139 if (getFileExists(f)) {
140 is = getFileInputStream(f);
141 cacheProps.load(is);
142 }
143 firstTime = false;
144 }
145 }
146 }
147 value = cacheProps.getProperty(propName);
148
149 } catch (IOException ex) {
150 } finally {
151 if (is != null) {
152 try {
153 is.close();
154 } catch (IOException ex) {}
155 }
156 }
157
158 return value;
159 }
160
161 //------------------- private methods ---------------------------
162 static boolean getFileExists(final File f) {
163 return (AccessController.doPrivileged((PrivilegedAction<Boolean>) ()
164 -> f.exists() ? Boolean.TRUE : Boolean.FALSE));
165 }
166
167 static FileInputStream getFileInputStream(final File file)
168 throws FileNotFoundException {
169 try {
170 return AccessController.doPrivileged((PrivilegedExceptionAction<FileInputStream>) ()
171 -> new FileInputStream(file));
172 } catch (PrivilegedActionException e) {
173 throw (FileNotFoundException) e.getException();
174 }
175 }
176 }
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1 /*
2 * Copyright (c) 2015, 2017, 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 package jdk.xml.internal;
26
27 import java.io.File;
28 import java.io.FileInputStream;
29 import java.io.FileNotFoundException;
30 import java.io.IOException;
31 import java.io.InputStream;
32 import java.security.AccessController;
33 import java.security.PrivilegedAction;
34 import java.security.PrivilegedActionException;
35 import java.security.PrivilegedExceptionAction;
36 import java.text.MessageFormat;
37 import java.util.ListResourceBundle;
38 import java.util.Locale;
39 import java.util.MissingResourceException;
40 import java.util.Properties;
41 import java.util.ResourceBundle;
42
43 /**
44 * This class contains utility methods for reading resources in the JAXP packages
45 */
46 public class SecuritySupport {
47 public final static String NEWLINE = getSystemProperty("line.separator", "\n");
48
49 /**
50 * Cache for properties in java.home/conf/jaxp.properties
51 */
52 static final Properties cacheProps = new Properties();
53
54 /**
55 * Flag indicating whether java.home/conf/jaxp.properties has been read
56 */
57 static volatile boolean firstTime = true;
58
59 private SecuritySupport() {}
60
61 public static String getErrorMessage(Locale locale, String bundle, String key,
62 Object[] arguments) {
63 ResourceBundle rb;
64 if (locale != null) {
65 rb = ResourceBundle.getBundle(bundle,locale);
66 } else {
67 rb = ResourceBundle.getBundle(bundle);
68 }
69
70 String msg = rb.getString(key);
71 if (arguments != null) {
72 msg = MessageFormat.format(msg, arguments);
73 }
74 return msg;
75 }
76
77 /**
78 * Reads a system property with privilege
79 *
80 * @param propName the name of the property
81 * @return the value of the property
82 */
83 public static String getSystemProperty(final String propName) {
84 return
85 AccessController.doPrivileged(
86 (PrivilegedAction<String>) () -> (String)System.getProperty(propName));
87 }
88
89 /**
90 * Reads a system property with privilege
91 *
92 * @param propName the name of the property
93 * @return the value of the property
94 */
95 public static String getSystemProperty(final String propName, String defValue) {
96 String value = getSystemProperty(propName);
97 if (value == null) {
98 return defValue;
99 }
100 return value;
101 }
102
103 /**
104 * Reads a system property with specified type.
105 *
106 * @param <T> the type of the property value
107 * @param type the type of the property value
108 * @param propName the name of the property
109 * @param defValue the default value
110 * @return the value of the property, or the default value if no system
111 * property is found
112 */
113 public static <T> T getSystemProperty(Class<T> type, String propName, String defValue) {
114 String value = getSystemProperty(propName);
115 if (value == null) {
116 value = defValue;
117 }
118 if (Integer.class.isAssignableFrom(type)) {
119 return type.cast(Integer.parseInt(value));
120 } else if (Boolean.class.isAssignableFrom(type)) {
121 return type.cast(Boolean.parseBoolean(value));
122 }
123 return type.cast(value);
124 }
125
126 /**
127 * Reads JAXP system property in this order: system property,
128 * $java.home/conf/jaxp.properties if the system property is not specified
129 *
130 * @param <T> the type of the property value
131 * @param type the type of the property value
132 * @param propName the name of the property
133 * @param defValue the default value
134 * @return the value of the property, or the default value if no system
135 * property is found
136 */
137 public static <T> T getJAXPSystemProperty(Class<T> type, String propName, String defValue) {
138 String value = getJAXPSystemProperty(propName);
139 if (value == null) {
140 value = defValue;
141 }
142 if (Integer.class.isAssignableFrom(type)) {
143 return type.cast(Integer.parseInt(value));
144 } else if (Boolean.class.isAssignableFrom(type)) {
145 return type.cast(Boolean.parseBoolean(value));
146 }
147 return type.cast(value);
148 }
149
150 /**
151 * Reads JAXP system property in this order: system property,
152 * $java.home/conf/jaxp.properties if the system property is not specified
153 *
154 * @param propName the name of the property
161 }
162 return value;
163 }
164
165 /**
166 * Reads the specified property from $java.home/conf/jaxp.properties
167 *
168 * @param propName the name of the property
169 * @return the value of the property
170 */
171 public static String readJAXPProperty(String propName) {
172 String value = null;
173 InputStream is = null;
174 try {
175 if (firstTime) {
176 synchronized (cacheProps) {
177 if (firstTime) {
178 String configFile = getSystemProperty("java.home") + File.separator
179 + "conf" + File.separator + "jaxp.properties";
180 File f = new File(configFile);
181 if (isFileExists(f)) {
182 is = getFileInputStream(f);
183 cacheProps.load(is);
184 }
185 firstTime = false;
186 }
187 }
188 }
189 value = cacheProps.getProperty(propName);
190
191 } catch (IOException ex) {
192 } finally {
193 if (is != null) {
194 try {
195 is.close();
196 } catch (IOException ex) {}
197 }
198 }
199
200 return value;
201 }
202
203 /**
204 * Tests whether the file denoted by this abstract pathname is a directory.
205 * @param f the file to be tested
206 * @return true if it is a directory, false otherwise
207 */
208 public static boolean isDirectory(final File f) {
209 return (AccessController.doPrivileged((PrivilegedAction<Boolean>) ()
210 -> f.isDirectory()));
211 }
212
213 /**
214 * Tests whether the file exists.
215 *
216 * @param f the file to be tested
217 * @return true if the file exists, false otherwise
218 */
219 public static boolean isFileExists(final File f) {
220 return (AccessController.doPrivileged((PrivilegedAction<Boolean>) ()
221 -> f.exists()));
222 }
223
224 public static FileInputStream getFileInputStream(final File file)
225 throws FileNotFoundException {
226 try {
227 return AccessController.doPrivileged((PrivilegedExceptionAction<FileInputStream>) ()
228 -> new FileInputStream(file));
229 } catch (PrivilegedActionException e) {
230 throw (FileNotFoundException) e.getException();
231 }
232 }
233
234 /**
235 * Gets a resource bundle using the specified base name, the default locale, and the caller's class loader.
236 * @param bundle the base name of the resource bundle, a fully qualified class name
237 * @return a resource bundle for the given base name and the default locale
238 */
239 public static ListResourceBundle getResourceBundle(String bundle) {
240 return getResourceBundle(bundle, Locale.getDefault());
241 }
242
243 /**
244 * Gets a resource bundle using the specified base name and locale, and the caller's class loader.
245 * @param bundle the base name of the resource bundle, a fully qualified class name
246 * @param locale the locale for which a resource bundle is desired
247 * @return a resource bundle for the given base name and locale
248 */
249 public static ListResourceBundle getResourceBundle(final String bundle, final Locale locale) {
250 return AccessController.doPrivileged((PrivilegedAction<ListResourceBundle>) () -> {
251 try {
252 return (ListResourceBundle)ResourceBundle.getBundle(bundle, locale);
253 } catch (MissingResourceException e) {
254 try {
255 return (ListResourceBundle)ResourceBundle.getBundle(bundle, new Locale("en", "US"));
256 } catch (MissingResourceException e2) {
257 throw new MissingResourceException(
258 "Could not load any resource bundle by " + bundle, bundle, "");
259 }
260 }
261 });
262 }
263 }
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