package com.license.entity.dto;

import com.alibaba.fastjson.JSON;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;

/**
 * LicenseCheckInterceptor
 *
 * @author zifangsky
 * @date 2018/4/25
 * @since 1.0.0
 */
public class LicenseCheckInterceptor extends HandlerInterceptorAdapter {
    private static Logger logger = LogManager.getLogger(LicenseCheckInterceptor.class);
    @Value("${is-license}")
    private Boolean isLicense;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        if (isLicense) {
            LicenseVerify licenseVerify = new LicenseVerify();

            //校验证书是否有效
            boolean verifyResult = licenseVerify.verify();

            if (verifyResult) {
                return true;
            } else {
                response.setCharacterEncoding("utf-8");
                Map<String, String> result = new HashMap<>(1);
                result.put("result", "您的证书无效，请核查服务器是否取得授权或重新申请证书！");

                response.getWriter().write(JSON.toJSONString(result));

                return false;
            }
        }
        return true;
    }

}
