diff options
Diffstat (limited to 'src/jdk/nashorn/internal/runtime/NashornLoader.java')
| -rw-r--r-- | src/jdk/nashorn/internal/runtime/NashornLoader.java | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/src/jdk/nashorn/internal/runtime/NashornLoader.java b/src/jdk/nashorn/internal/runtime/NashornLoader.java deleted file mode 100644 index 237ccaa6..00000000 --- a/src/jdk/nashorn/internal/runtime/NashornLoader.java +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package jdk.nashorn.internal.runtime; - -import java.io.File; -import java.io.IOException; -import java.net.MalformedURLException; -import java.net.URL; -import java.net.URLClassLoader; -import java.security.CodeSource; -import java.security.Permission; -import java.security.PermissionCollection; -import java.security.Permissions; -import java.security.SecureClassLoader; - -/** - * Superclass for Nashorn class loader classes. - */ -abstract class NashornLoader extends SecureClassLoader { - private static final String OBJECTS_PKG = "jdk.nashorn.internal.objects"; - private static final String RUNTIME_PKG = "jdk.nashorn.internal.runtime"; - private static final String RUNTIME_ARRAYS_PKG = "jdk.nashorn.internal.runtime.arrays"; - private static final String RUNTIME_LINKER_PKG = "jdk.nashorn.internal.runtime.linker"; - private static final String SCRIPTS_PKG = "jdk.nashorn.internal.scripts"; - - private static final Permission[] SCRIPT_PERMISSIONS; - - static { - /* - * Generated classes get access to runtime, runtime.linker, objects, scripts packages. - * Note that the actual scripts can not access these because Java.type, Packages - * prevent these restricted packages. And Java reflection and JSR292 access is prevented - * for scripts. In other words, nashorn generated portions of script classes can access - * classes in these implementation packages. - */ - SCRIPT_PERMISSIONS = new Permission[] { - new RuntimePermission("accessClassInPackage." + RUNTIME_PKG), - new RuntimePermission("accessClassInPackage." + RUNTIME_LINKER_PKG), - new RuntimePermission("accessClassInPackage." + OBJECTS_PKG), - new RuntimePermission("accessClassInPackage." + SCRIPTS_PKG), - new RuntimePermission("accessClassInPackage." + RUNTIME_ARRAYS_PKG) - }; - } - - NashornLoader(final ClassLoader parent) { - super(parent); - } - - protected static void checkPackageAccess(final String name) { - final int i = name.lastIndexOf('.'); - if (i != -1) { - final SecurityManager sm = System.getSecurityManager(); - if (sm != null) { - final String pkgName = name.substring(0, i); - switch (pkgName) { - case RUNTIME_PKG: - case RUNTIME_ARRAYS_PKG: - case RUNTIME_LINKER_PKG: - case OBJECTS_PKG: - case SCRIPTS_PKG: - // allow it. - break; - default: - sm.checkPackageAccess(pkgName); - } - } - } - } - - @Override - protected PermissionCollection getPermissions(final CodeSource codesource) { - final Permissions permCollection = new Permissions(); - for (final Permission perm : SCRIPT_PERMISSIONS) { - permCollection.add(perm); - } - return permCollection; - } - - /** - * Create a secure URL class loader for the given classpath - * @param classPath classpath for the loader to search from - * @param parent the parent class loader for the new class loader - * @return the class loader - */ - static ClassLoader createClassLoader(final String classPath, final ClassLoader parent) { - final URL[] urls = pathToURLs(classPath); - return URLClassLoader.newInstance(urls, parent); - } - - /* - * Utility method for converting a search path string to an array - * of directory and JAR file URLs. - * - * @param path the search path string - * @return the resulting array of directory and JAR file URLs - */ - private static URL[] pathToURLs(final String path) { - final String[] components = path.split(File.pathSeparator); - URL[] urls = new URL[components.length]; - int count = 0; - while(count < components.length) { - final URL url = fileToURL(new File(components[count])); - if (url != null) { - urls[count++] = url; - } - } - if (urls.length != count) { - final URL[] tmp = new URL[count]; - System.arraycopy(urls, 0, tmp, 0, count); - urls = tmp; - } - return urls; - } - - /* - * Returns the directory or JAR file URL corresponding to the specified - * local file name. - * - * @param file the File object - * @return the resulting directory or JAR file URL, or null if unknown - */ - private static URL fileToURL(final File file) { - String name; - try { - name = file.getCanonicalPath(); - } catch (final IOException e) { - name = file.getAbsolutePath(); - } - name = name.replace(File.separatorChar, '/'); - if (!name.startsWith("/")) { - name = "/" + name; - } - // If the file does not exist, then assume that it's a directory - if (!file.isFile()) { - name = name + "/"; - } - try { - return new URL("file", "", name); - } catch (final MalformedURLException e) { - throw new IllegalArgumentException("file"); - } - } -} - |