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/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.nacos.auth.annotation;

import com.alibaba.nacos.auth.parser.DefaultResourceParser;
import com.alibaba.nacos.auth.parser.ResourceParser;
import com.alibaba.nacos.common.utils.StringUtils;
import com.alibaba.nacos.plugin.auth.constant.ActionTypes;
import com.alibaba.nacos.plugin.auth.constant.SignType;

import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;

/**
 * Annotation indicating that the annotated request should be authorized.
 *
 * @author nkorange
 * @author mai.jh
 * @since 1.2.0
 */
@Retention(RetentionPolicy.RUNTIME)
public @interface Secured {
    
    /**
     * The action type of the request.
     *
     * @return action type, default READ
     */
    ActionTypes action() default ActionTypes.READ;
    
    /**
     * The name of resource related to the request.
     *
     * @return resource name
     */
    String resource() default StringUtils.EMPTY;
    
    /**
     * The module of resource related to the request.
     *
     * @return module name
     */
    String signType() default SignType.NAMING;
    
    /**
     * Custom resource parser. Should have lower priority than resource() and typed parser.
     *
     * @return class type of resource parser
     */
    Class parser() default DefaultResourceParser.class;
    
    /**
     * Specified tags for this secured, these tags will be injected into {@link com.alibaba.nacos.plugin.auth.api.Resource}
     * as the keys and values of properties.
     *
     * @return tags
     */
    String[] tags() default {};
}