package com.common.security.configure;
import com.alibaba.fastjson.JSONObject;
import com.common.core.beans.Result;
import com.common.core.enums.ResultCodeEnum;
import com.common.core.exception.BizException;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 廖振钦
 * @date 2022-01-17
 */
@Component
public class RestfulAccessDeniedHandler implements AccessDeniedHandler {
    @Override
    public void handle(HttpServletRequest request,
                       HttpServletResponse response,
                       AccessDeniedException e) throws IOException, ServletException {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json");
        response.addHeader("Content-Security-Policy","default-src 'self'");
        response.addHeader("Strict-Transport-Security","max-age=31536000; includeSubdomains");
        response.addHeader("Referrer-Policy","no-referrer-when-downgrade");
        response.addHeader("X-Permitted-Cross-Domain-Policies","all");
        response.addHeader("X-Download-Options","noopen");
        Result res=Result.respErr(ResultCodeEnum.RT_ACCESS_DENIED);
        response.getWriter().println(JSONObject.toJSONString(res));
        response.getWriter().flush();
    }
}