jena-fuseki2/jena-fuseki-core/src/main/java/org/apache/jena/fuseki/auth/AuthPolicy.java

/*
 * 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.jena.fuseki.auth;

/**
 * Policy for authorization to a resource.
 * Assumes the user has already been authenticated.
 */
public interface AuthPolicy {
    /**
     * Is the use authorized for this resource?
     */
    public boolean isAllowed(String user);

    /**
     * Is the use denied for this resource? Both {@linkplain #isAllowed} and
     * {@linkplain #isDenied} could be false if the policy does not know one way of the
     * other.
     */
    public default boolean isDenied(String user) {
        return !isAllowed(user);
    }
}