spring security BasicAuthenticationEntryPoint 源码
spring security BasicAuthenticationEntryPoint 代码
文件路径：/web/src/main/java/org/springframework/security/web/authentication/www/BasicAuthenticationEntryPoint.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.web.authentication.www;
import java.io.IOException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.http.HttpStatus;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.util.Assert;
/**
* Used by the <code>ExceptionTranslationFilter</code> to commence authentication via the
* {@link BasicAuthenticationFilter}.
* <p>
* Once a user agent is authenticated using BASIC authentication, logout requires that the
* browser be closed or an unauthorized (401) header be sent. The simplest way of
* achieving the latter is to call the
* {@link #commence(HttpServletRequest, HttpServletResponse, AuthenticationException)}
* method below. This will indicate to the browser its credentials are no longer
* authorized, causing it to prompt the user to login again.
*
* @author Ben Alex
*/
public class BasicAuthenticationEntryPoint implements AuthenticationEntryPoint, InitializingBean {
private String realmName;
@Override
public void afterPropertiesSet() {
Assert.hasText(this.realmName, "realmName must be specified");
}
@Override
public void commence(HttpServletRequest request, HttpServletResponse response,
AuthenticationException authException) throws IOException {
response.addHeader("WWW-Authenticate", "Basic realm=\"" + this.realmName + "\"");
response.sendError(HttpStatus.UNAUTHORIZED.value(), HttpStatus.UNAUTHORIZED.getReasonPhrase());
}
public String getRealmName() {
return this.realmName;
}
public void setRealmName(String realmName) {
this.realmName = realmName;
}
}
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