活动模块，计划任务模块 加入第三方

pay/wechat.go

@@ -0,0 +1,99 @@
+package pay
+
+import (
+	"crypto"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/sha256"
+	"encoding/base64"
+	"fmt"
+	"github.com/go-pay/crypto/xpem"
+	"github.com/go-pay/gopay"
+	"github.com/go-pay/gopay/wechat/v3"
+	"github.com/go-pay/util/convert"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gfile"
+	"strings"
+)
+
+var (
+// ctx = gctx.New()
+
+)
+
+// GooglePay 是一个处理Google支付的结构体。
+type WechatPay struct {
+	Client     *wechat.ClientV3
+	PrivateKey string
+}
+
+func Wechat() *WechatPay {
+	var pay = &WechatPay{}
+	var err error
+
+	cfg, _ := g.Cfg().Get(ctx, "pay.wechat")
+	cfgMap := cfg.MapStrStr()
+	MchId := cfgMap["mchid"]
+	SerialNo := cfgMap["serialNo"]
+	APIv3Key := cfgMap["apiV3Key"]
+	PrivateKey := gfile.GetContents("manifest/pay/apiclient_key.pem")
+	//PrivateKey := cfgMap["privateKey"]
+
+	// NewClientV3 初始化微信客户端 v3
+	// mchid：商户ID 或者服务商模式的 sp_mchid
+	// serialNo：商户证书的证书序列号
+	// apiV3Key：apiV3Key，商户平台获取
+	// privateKey：私钥 apiclient_key.pem 读取后的内容
+	pay.Client, err = wechat.NewClientV3(MchId, SerialNo, APIv3Key, PrivateKey)
+	if err != nil {
+		g.Log().Error(ctx, err)
+		return nil
+	}
+
+	err = pay.Client.AutoVerifySign()
+	if err != nil {
+		g.Log().Error(ctx, err)
+		return nil
+	}
+
+	return pay
+}
+
+// v3 鉴权请求Header
+func (c *WechatPay) Authorization(appid string, timestamp int64, nonceStr string, prepay_id string) (string, error) {
+	//var (
+	//	jb        = ""
+	//	timestamp = time.Now().Unix()
+	//	nonceStr  = util.RandomString(32)
+	//)
+	//if bm != nil {
+	//	jb = bm.JsonBody()
+	//}
+	//path = strings.TrimSuffix(path, "?")
+	ts := convert.Int642String(timestamp)
+	_str := strings.Join([]string{appid, ts, nonceStr, prepay_id}, "\n") + "\n"
+	//_str := appid + "\n" + timestamp + "\n"  + nonceStr + "\n" + jb + "\n"
+
+	sign, err := c.rsaSign(_str)
+	if err != nil {
+		return "", err
+	}
+	return sign, nil
+}
+
+func (c *WechatPay) rsaSign(str string) (string, error) {
+	//if c.privateKey == nil {
+	//	return "", errors.New("privateKey can't be nil")
+	//}
+
+	privateKey := gfile.GetContents("manifest/pay/apiclient_key.pem")
+	priKey, err := xpem.DecodePrivateKey([]byte(privateKey))
+
+	h := sha256.New()
+	h.Write([]byte(str))
+	result, err := rsa.SignPKCS1v15(rand.Reader, priKey, crypto.SHA256, h.Sum(nil))
+	if err != nil {
+		return gopay.NULL, fmt.Errorf("[%w]: %+v", gopay.SignatureErr, err)
+	}
+	return base64.StdEncoding.EncodeToString(result), nil
+}