egg_admin/app/lib/gopay/init.go

package gopay

import (
	"applet/app/db"
	"applet/app/utils/cache"
	"applet/app/utils/logx"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/dao"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/implement"
	"code.fnuoos.com/EggPlanet/egg_system_rules.git/enum"
	"github.com/go-pay/gopay"
	"github.com/go-pay/gopay/alipay"
	"github.com/go-pay/gopay/pkg/xlog"
)

type InitAlipayStruct struct {
	IsProd                  bool   `json:"is_prod" label:"是否生产环境"`
	AlipayAppId             string `json:"alipay_app_id" label:"支付宝商家应用appid"`
	AlipayPrivateKey        string `json:"alipay_private_key" label:"支付宝商家应用私钥"`
	AlipayPublicKey         string `json:"alipay_public_key" label:"支付宝商家应用公钥"`
	AlipayPublicContentRSA2 []byte `json:"alipay_public_content_rsa_2" label:"支付宝公钥证书"`
	AlipayRootContent       []byte `json:"alipay_root_content" label:"支付宝根证书"`
	AppPublicContent        []byte `json:"app_public_content" label:"应用公钥证书"`
}

// InitAlipay 初始化支付宝客户端
// appid：应用ID
// privateKey：应用私钥，支持PKCS1和PKCS8
// isProd：是否是正式环境，沙箱环境请选择新版沙箱应用。
func InitAlipay(initData *InitAlipayStruct) (client *alipay.Client, err error) {
	if initData == nil {
		sysCfgDb := implement.NewSysCfgDb(db.Db, cache.GetPool().Get())
		defer func(sysCfgDb dao.SysCfgDao) {
			err := sysCfgDb.Close()
			if err != nil {
				logx.Error("redis close err:" + err.Error()) // 记录错误信息
			}
		}(sysCfgDb)

		sysCfgMap := sysCfgDb.SysCfgFindWithDb(enum.AlipayAppId, enum.AlipayPrivateKey, enum.AlipayPublicKey, enum.AlipayPublicContentRSA2, enum.AlipayRootContent, enum.AppPublicContent)
		initData = &InitAlipayStruct{
			IsProd:                  true,
			AlipayAppId:             sysCfgMap[enum.AlipayAppId],
			AlipayPrivateKey:        sysCfgMap[enum.AlipayPrivateKey],
			AlipayPublicKey:         sysCfgMap[enum.AlipayPublicKey],
			AlipayPublicContentRSA2: []byte(sysCfgMap[enum.AlipayPublicContentRSA2]),
			AlipayRootContent:       []byte(sysCfgMap[enum.AlipayRootContent]),
			AppPublicContent:        []byte(sysCfgMap[enum.AppPublicContent]),
		}
	}
	client, err = alipay.NewClient(initData.AlipayAppId, initData.AlipayPrivateKey, initData.IsProd)
	if err != nil {
		xlog.Error(err)
		return
	}

	// 自定义配置http请求接收返回结果body大小，默认 10MB
	client.SetBodySize(10) // 没有特殊需求，可忽略此配置

	// 打开Debug开关，输出日志，默认关闭
	client.DebugSwitch = gopay.DebugOn

	client.SetLocation(alipay.LocationShanghai). // 设置时区，不设置或出错均为默认服务器时间
							SetCharset(alipay.UTF8). // 设置字符编码，不设置默认 utf-8
							SetSignType(alipay.RSA2) // 设置签名类型，不设置默认 RSA2

	// SetAppAuthToken("")   //授权token

	//SetReturnUrl("https://www.fmm.ink").            // 设置返回URL
	//	SetNotifyUrl("https://www.fmm.ink").        // 设置异步通知URL

	// 传入 支付宝公钥证书 alipayPublicCert.crt 内容
	client.AutoVerifySign(initData.AlipayPublicContentRSA2)

	// 传入证书内容
	err = client.SetCertSnByContent(initData.AppPublicContent, initData.AlipayRootContent, initData.AlipayPublicContentRSA2)
	if err != nil {
		xlog.Debug("SetCertSn:", err)
		return
	}

	return
}