callback/internal/logic/callback/callbacklogic.go

package callback

import (
	"context"
	"fmt"
	"net/http"

	"callback/internal/svc"
	"callback/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type CallbackLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewCallbackLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CallbackLogic {
	return &CallbackLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *CallbackLogic) Callback(req *types.CallbackRequest, w http.ResponseWriter) (err error) {
	wxcpt := l.svcCtx.Wxcpt
	echoStr, cryptErr := wxcpt.VerifyURL(req.MsgSignature, req.Timestamp, req.Nonce, req.Echostr)
	if nil != cryptErr {
		fmt.Println("verifyUrl fail", cryptErr)
	}
	_, err = w.Write(echoStr)
	return
}