/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.bootstrap;

import org.opensearch.test.OpenSearchTestCase;

import java.security.AccessControlContext;
import java.security.AccessController;
import java.security.PermissionCollection;
import java.security.Permissions;
import java.security.PrivilegedAction;
import java.security.ProtectionDomain;

/**
 * Tests for OpenSearchPolicy
 */
public class OpenSearchPolicyTests extends OpenSearchTestCase {

    /**
     * test restricting privileges to no permissions actually works
     */
    public void testRestrictPrivileges() {
        assumeTrue("test requires security manager", System.getSecurityManager() != null);
        try {
            System.getProperty("user.home");
        } catch (SecurityException e) {
            fail("this test needs to be fixed: user.home not available by policy");
        }

        PermissionCollection noPermissions = new Permissions();
        AccessControlContext noPermissionsAcc = new AccessControlContext(
            new ProtectionDomain[] { new ProtectionDomain(null, noPermissions) }
        );
        try {
            AccessController.doPrivileged(new PrivilegedAction<Void>() {
                public Void run() {
                    System.getProperty("user.home");
                    fail("access should have been denied");
                    return null;
                }
            }, noPermissionsAcc);
        } catch (SecurityException expected) {
            // expected exception
        }
    }
}