spring security AuthenticationFailureHandler 源码

  • 2022-08-13
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spring security AuthenticationFailureHandler 代码

文件路径:/web/src/main/java/org/springframework/security/web/authentication/AuthenticationFailureHandler.java

/*
 * Copyright 2002-2016 the original author or authors.
 *
 * 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.web.authentication;

import java.io.IOException;

import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import org.springframework.security.authentication.CredentialsExpiredException;
import org.springframework.security.core.AuthenticationException;

/**
 * Strategy used to handle a failed authentication attempt.
 * <p>
 * Typical behaviour might be to redirect the user to the authentication page (in the case
 * of a form login) to allow them to try again. More sophisticated logic might be
 * implemented depending on the type of the exception. For example, a
 * {@link CredentialsExpiredException} might cause a redirect to a web controller which
 * allowed the user to change their password.
 *
 * @author Luke Taylor
 * @since 3.0
 */
public interface AuthenticationFailureHandler {

	/**
	 * Called when an authentication attempt fails.
	 * @param request the request during which the authentication attempt occurred.
	 * @param response the response.
	 * @param exception the exception which was thrown to reject the authentication
	 * request.
	 */
	void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
			AuthenticationException exception) throws IOException, ServletException;

}

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