package cn.lihu.jh.framework.security.core.handler;
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import cn.lihu.jh.framework.common.exception.enums.GlobalErrorCodeConstants;
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import cn.lihu.jh.framework.common.pojo.CommonResult;
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import cn.lihu.jh.framework.common.util.servlet.ServletUtils;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.security.core.AuthenticationException;
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import org.springframework.security.web.AuthenticationEntryPoint;
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import org.springframework.security.web.access.ExceptionTranslationFilter;
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import javax.servlet.FilterChain;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import static cn.lihu.jh.framework.common.exception.enums.GlobalErrorCodeConstants.UNAUTHORIZED;
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/**
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* 访问一个需要认证的 URL 资源，但是此时自己尚未认证（登录）的情况下，返回 {@link GlobalErrorCodeConstants#UNAUTHORIZED} 错误码，从而使前端重定向到登录页
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*
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* 补充：Spring Security 通过 {@link ExceptionTranslationFilter#sendStartAuthentication(HttpServletRequest, HttpServletResponse, FilterChain, AuthenticationException)} 方法，调用当前类
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*
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* @author ruoyi
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*/
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@Slf4j
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@SuppressWarnings("JavadocReference") // 忽略文档引用报错
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public class AuthenticationEntryPointImpl implements AuthenticationEntryPoint {
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@Override
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public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) {
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log.debug("[commence][访问 URL({}) 时，没有登录]", request.getRequestURI(), e);
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// 返回 401
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ServletUtils.writeJSON(response, CommonResult.error(UNAUTHORIZED));
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}
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}
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