feat: update pay notify

backend/providers/wepay/config.go

@@ -1,6 +1,8 @@
 package wepay
 
 import (
+	"time"
+
 	"go.ipao.vip/atom/container"
 	"go.ipao.vip/atom/opt"
 )
@@ -15,3 +17,25 @@ func DefaultProvider() container.ProviderContainer {
 		},
 	}
 }
+
+type PayNotify struct {
+	Mchid          string    `json:"mchid"`
+	Appid          string    `json:"appid"`
+	OutTradeNo     string    `json:"out_trade_no"`
+	TransactionID  string    `json:"transaction_id"`
+	TradeType      string    `json:"trade_type"`
+	TradeState     string    `json:"trade_state"`
+	TradeStateDesc string    `json:"trade_state_desc"`
+	BankType       string    `json:"bank_type"`
+	Attach         string    `json:"attach"`
+	SuccessTime    time.Time `json:"success_time"`
+	Payer          struct {
+		Openid string `json:"openid"`
+	} `json:"payer"`
+	Amount struct {
+		Total         int64  `json:"total"`
+		PayerTotal    int64  `json:"payer_total"`
+		Currency      string `json:"currency"`
+		PayerCurrency string `json:"payer_currency"`
+	} `json:"amount"`
+}

backend/providers/wepay/pay.go

@@ -4,12 +4,16 @@ import (
 	"context"
 	"crypto/rsa"
 	"encoding/json"
+	"fmt"
+	"net/http"
 	"time"
 
 	w "quyun/providers/wechat"
 
 	"github.com/go-pay/gopay"
 	"github.com/go-pay/gopay/wechat/v3"
+	"github.com/go-pay/util/js"
+	"github.com/gofiber/fiber/v3"
 	"github.com/pkg/errors"
 	log "github.com/sirupsen/logrus"
 	"go.ipao.vip/atom/container"
@@ -101,6 +105,42 @@ func (c *Client) V3TransactionJsapi(ctx context.Context, f func(*BodyMap)) (*Pre
 	}, nil
 }
 
+func (c *Client) ParseNotify(ctx fiber.Ctx) (*PayNotify, error) {
+	body := ctx.Body()
+	si := &wechat.SignInfo{
+		HeaderTimestamp: ctx.Get(wechat.HeaderTimestamp),
+		HeaderNonce:     ctx.Get(wechat.HeaderNonce),
+		HeaderSignature: ctx.Get(wechat.HeaderSignature),
+		HeaderSerial:    ctx.Get(wechat.HeaderSerial),
+		SignBody:        string(body),
+	}
+	notifyReq := &wechat.V3NotifyReq{SignInfo: si}
+	if err := js.UnmarshalBytes(body, notifyReq); err != nil {
+		log.Errorf("json unmarshal error:%v", err)
+		return nil, ctx.Status(http.StatusBadRequest).JSON(fiber.Map{"error": fmt.Sprintf("json unmarshal error:%v", err)})
+	}
+
+	// 获取微信平台证书
+	certMap := c.WxPublicKeyMap()
+
+	// 验证异步通知的签名
+	err := notifyReq.VerifySignByPKMap(certMap)
+	if err != nil {
+		log.Errorf("verify sign error:%v", err)
+		return nil, ctx.Status(http.StatusBadRequest).JSON(fiber.Map{"error": "Invalid signature"})
+	}
+
+	var notifyData PayNotify
+	err = notifyReq.DecryptCipherTextToStruct(c.config.Pay.ApiV3Key, &notifyData)
+	if err != nil {
+		return nil, ctx.Status(http.StatusBadRequest).JSON(fiber.Map{"error": "Invalid cipher text"})
+	}
+
+	log.Infof("Successfully decrypted cipher text for notify data: %+v", notifyData)
+
+	return &notifyData, nil
+}
+
 type BodyMap struct {
 	bm gopay.BodyMap
 }

backend/providers/wepay/pay_test.go

@@ -3,11 +3,12 @@ package wepay
 import (
 	"context"
 	"fmt"
+	"quyun/app/service/testx"
 	"testing"
 	"time"
 
-	"quyun/app/service/testx"
-
+	"github.com/go-pay/gopay/wechat/v3"
+	"github.com/go-pay/util/js"
 	. "github.com/smartystreets/goconvey/convey"
 	"github.com/stretchr/testify/suite"
 	"go.ipao.vip/atom/contracts"
@@ -53,3 +54,22 @@ func (s *WePayTestSuite) Test_PrePay() {
 		})
 	})
 }
+
+func (s *WePayTestSuite) Test_parseNotify() {
+	Convey("parse notify", s.T(), func() {
+		Convey("prepay", func() {
+			content := `{"id":"43d17a94-eb1e-5641-bb11-f59e5b6e8749","summary":"支付成功","resource":{"nonce":"avbpSc2seCN5","algorithm":"AEAD_AES_256_GCM","ciphertext":"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","original_type":"transaction","associated_data":"transaction"},"event_type":"TRANSACTION.SUCCESS","create_time":"2025-04-30T19:25:51+08:00","resource_type":"encrypt-resource"}`
+			var notifyReq wechat.V3NotifyReq
+			err := js.UnmarshalBytes([]byte(content), &notifyReq)
+			So(err, ShouldBeNil)
+
+			s.T().Logf("notifyReq: %+v", notifyReq)
+
+			var obj struct{}
+			err = notifyReq.DecryptCipherTextToStruct("5UBDkxVDY44AKafkqN6YgYxgtkXP6Mw6", &obj)
+			So(err, ShouldBeNil)
+
+			s.T().Logf("Decrypted object: %+v", obj)
+		})
+	})
+}