001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.apache.shiro.authz.annotation;
020    
021    import java.lang.annotation.ElementType;
022    import java.lang.annotation.Retention;
023    import java.lang.annotation.RetentionPolicy;
024    import java.lang.annotation.Target;
025    
026    /**
027     * Requires the current Subject to have been authenticated <em>during their current session</em> for the annotated
028     * class/instance/method to be accessed or invoked.  This is <em>more</em> restrictive than the
029     * {@link RequiresUser RequiresUser} annotation.
030     * <p/>
031     * This annotation basically ensures that
032     * <code>{@link org.apache.shiro.subject.Subject subject}.{@link org.apache.shiro.subject.Subject#isAuthenticated() isAuthenticated()} === true</code>
033     * <p/>
034     * See the {@link RequiresUser RequiresUser} and
035     * {@link org.apache.shiro.authc.RememberMeAuthenticationToken RememberMeAuthenticationToken} JavaDoc for an
036     * explaination of why these two states are considered different.
037     *
038     * @see RequiresUser
039     * @see RequiresGuest
040     *
041     * @since 0.9.0
042     */
043    @Target({ElementType.TYPE, ElementType.METHOD})
044    @Retention(RetentionPolicy.RUNTIME)
045    public @interface RequiresAuthentication {
046    }