package com.oying.modules.security.security;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.oying.exception.handler.ApiError;
import org.springframework.http.HttpStatus;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.stereotype.Component;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author Z
 */
@Component
public class JwtAccessDeniedHandler implements AccessDeniedHandler {

   @Override
   public void handle(HttpServletRequest request, HttpServletResponse response, AccessDeniedException accessDeniedException) throws IOException {
      //当用户在没有授权的情况下访问受保护的REST资源时，将调用此方法发送403 Forbidden响应
      response.setStatus(HttpStatus.FORBIDDEN.value());
      response.setContentType("application/json;charset=UTF-8");
      ObjectMapper objectMapper = new ObjectMapper();
      String jsonResponse = objectMapper.writeValueAsString(ApiError.error(HttpStatus.FORBIDDEN.value(), "禁止访问，您没有权限访问此资源"));
      response.getWriter().write(jsonResponse);
   }
}