org.apache.tomcat.util.security.PermissionCheck Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
package org.apache.tomcat.util.security;
import java.security.Permission;
/**
* This interface is implemented by components to enable privileged code to
* check whether the component has a given permission.
* This is typically used when a privileged component (e.g. the container) is
* performing an action on behalf of an untrusted component (e.g. a web
* application) without the current thread having passed through a code source
* provided by the untrusted component. Because the current thread has not
* passed through a code source provided by the untrusted component the
* SecurityManager assumes the code is trusted so the standard checking
* mechanisms can't be used.
*/
public interface PermissionCheck {
/**
* Does this component have the given permission?
*
* @param permission The permission to test
*
* @return {@code false} if a SecurityManager is enabled and the component
* does not have the given permission, otherwise {@code true}
*/
boolean check(Permission permission);
}