package com.genersoft.iot.vmp.conf.security; 
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import com.alibaba.fastjson.JSONObject; 
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import org.slf4j.Logger; 
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import org.slf4j.LoggerFactory; 
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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.stereotype.Component; 
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import javax.servlet.http.HttpServletRequest; 
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import javax.servlet.http.HttpServletResponse; 
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import java.io.IOException; 
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/** 
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 * 处理匿名用户访问逻辑 
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 */ 
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@Component 
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public class AnonymousAuthenticationEntryPoint implements AuthenticationEntryPoint { 
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    private final static Logger logger = LoggerFactory.getLogger(DefaultUserDetailsServiceImpl.class); 
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    @Override 
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    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e) { 
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//        logger.debug("用户需要登录,访问[{}]失败,AuthenticationException=[{}]", request.getRequestURI(), e.getMessage()); 
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        // 允许跨域 
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        response.setHeader("Access-Control-Allow-Origin", "*"); 
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        // 允许自定义请求头token(允许head跨域) 
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        response.setHeader("Access-Control-Allow-Headers", "token, Accept, Origin, X-Requested-With, Content-Type, Last-Modified"); 
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        response.setHeader("Content-type", "application/json;charset=UTF-8"); 
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        JSONObject jsonObject = new JSONObject(); 
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        jsonObject.put("code", "-1"); 
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        jsonObject.put("msg", "请登录后重新请求"); 
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        if (request.getRequestURI().contains("api/user/login")){ 
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            jsonObject.put("msg", e.getMessage()); 
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        } 
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        response.setStatus(HttpServletResponse.SC_UNAUTHORIZED); 
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        try { 
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            response.getWriter().print(jsonObject.toJSONString()); 
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        } catch (IOException ioException) { 
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            ioException.printStackTrace(); 
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        } 
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    } 
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} 
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