| /* |
| * Copyright (c) 2015, 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.security.AccessControlContext; |
| import java.security.Permission; |
| import java.security.Permissions; |
| import java.security.ProtectionDomain; |
| import java.util.stream.Stream; |
| |
| /** |
| * Utility class for creating permission-restricting {@link AccessControlContext}s. |
| */ |
| public final class AccessControlContextFactory { |
| private AccessControlContextFactory () { |
| } |
| |
| /** |
| * Creates an access control context with no permissions. |
| * @return an access control context with no permissions. |
| */ |
| public static AccessControlContext createAccessControlContext() { |
| return createAccessControlContext(new Permission[0]); |
| } |
| |
| /** |
| * Creates an access control context limited to only the specified permissions. |
| * @param permissions the permissions for the newly created access control context. |
| * @return a new access control context limited to only the specified permissions. |
| */ |
| public static AccessControlContext createAccessControlContext(final Permission... permissions) { |
| final Permissions perms = new Permissions(); |
| for(final Permission permission: permissions) { |
| perms.add(permission); |
| } |
| return new AccessControlContext(new ProtectionDomain[] { new ProtectionDomain(null, perms) }); |
| } |
| |
| /** |
| * Creates an access control context limited to only the {@link RuntimePermission}s |
| * of the given names. |
| * @param runtimePermissionNames the names of runtime permissions for the |
| * newly created access control context. |
| * @return a new access control context limited to only the runtime |
| * permissions with the specified names. |
| */ |
| public static AccessControlContext createAccessControlContext(final String... runtimePermissionNames) { |
| return createAccessControlContext(makeRuntimePermissions(runtimePermissionNames)); |
| } |
| |
| private static Permission[] makeRuntimePermissions(final String... runtimePermissionNames) { |
| return Stream.of(runtimePermissionNames).map(RuntimePermission::new).toArray(Permission[]::new); |
| } |
| } |