package mw

import (
	"applet/app/cfg"
	"applet/app/e"
	"applet/app/lib/aes"
	"applet/app/lib/aes/md"
	"applet/app/utils"
	"errors"
	"github.com/gin-gonic/gin"
)

// CheckSign is 中间件 用来检查签名
func CheckSign(c *gin.Context) {
	if !(utils.GenerateMD5Hash(c.Request.Host) == md.ConvenientKeyForTest || (c.GetHeader("is_check") == "false" && !cfg.Prd)) {
		err := aes.CheckSign(c)
		if err != nil {
			if cfg.Prd {
				e.OutErr(c, 400, errors.New("请求失败~~"))
			} else {
				e.OutErr(c, 400, "验签失败: "+err.Error())
			}
			return
		}
		c.Next()
		c.Set("is_sign", true)
	}
}