spring security AuthenticationTrustResolver 源码

  • 2022-08-13
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spring security AuthenticationTrustResolver 代码

文件路径:/core/src/main/java/org/springframework/security/authentication/AuthenticationTrustResolver.java

/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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
 *
 *      https://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.springframework.security.authentication;

import org.springframework.security.core.Authentication;

/**
 * Evaluates <code>Authentication</code> tokens
 *
 * @author Ben Alex
 */
public interface AuthenticationTrustResolver {

	/**
	 * Indicates whether the passed <code>Authentication</code> token represents an
	 * anonymous user. Typically the framework will call this method if it is trying to
	 * decide whether an <code>AccessDeniedException</code> should result in a final
	 * rejection (i.e. as would be the case if the principal was non-anonymous/fully
	 * authenticated) or direct the principal to attempt actual authentication (i.e. as
	 * would be the case if the <code>Authentication</code> was merely anonymous).
	 * @param authentication to test (may be <code>null</code> in which case the method
	 * will always return <code>false</code>)
	 * @return <code>true</code> the passed authentication token represented an anonymous
	 * principal, <code>false</code> otherwise
	 */
	boolean isAnonymous(Authentication authentication);

	/**
	 * Indicates whether the passed <code>Authentication</code> token represents user that
	 * has been remembered (i.e. not a user that has been fully authenticated).
	 * <p>
	 * The method is provided to assist with custom <code>AccessDecisionVoter</code>s and
	 * the like that you might develop. Of course, you don't need to use this method
	 * either and can develop your own "trust level" hierarchy instead.
	 * @param authentication to test (may be <code>null</code> in which case the method
	 * will always return <code>false</code>)
	 * @return <code>true</code> the passed authentication token represented a principal
	 * authenticated using a remember-me token, <code>false</code> otherwise
	 */
	boolean isRememberMe(Authentication authentication);

}

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