支付，OSS 服务重构完成

api/service/payment/epay_service.go

@@ -0,0 +1,197 @@
+package payment
+
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// * Copyright 2023 The Geek-AI Authors. All rights reserved.
+// * Use of this source code is governed by a Apache-2.0 license
+// * that can be found in the LICENSE file.
+// * @Author yangjian102621@163.com
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+import (
+	"crypto/tls"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"geekai/core/types"
+	"geekai/utils"
+	"io"
+	"net/http"
+	"net/url"
+	"sort"
+	"strings"
+	"time"
+)
+
+// EPayService 易支付服务
+type EPayService struct {
+	config *types.EpayConfig
+}
+
+func NewEPayService(sysConfig *types.SystemConfig) *EPayService {
+	return &EPayService{
+		config: &sysConfig.Payment.Epay,
+	}
+}
+
+func (s *EPayService) UpdateConfig(config *types.EpayConfig) {
+	s.config = config
+}
+
+// Pay 支付订单
+func (s *EPayService) Pay(params PayRequest) (string, error) {
+	p := map[string]string{
+		"pid":          s.config.AppId,
+		"device":       params.Device,
+		"type":         params.PayWay,
+		"out_trade_no": params.OutTradeNo,
+		"name":         params.Subject,
+		"money":        params.TotalFee,
+		"clientip":     params.ClientIP,
+		"notify_url":   params.NotifyURL,
+		"return_url":   params.ReturnURL,
+		"timestamp":    fmt.Sprintf("%d", time.Now().Unix()),
+	}
+	p["sign"] = s.Sign(p)
+	p["sign_type"] = "MD5"
+	resp, err := s.sendRequest(s.config.ApiURL, p)
+	if err != nil {
+		return "", err
+	}
+	if resp.Code != 1 {
+		return "", errors.New(resp.Msg)
+	}
+	if resp.PayURL != "" {
+		return resp.PayURL, nil
+	} else {
+		return resp.QrCode, nil
+	}
+}
+
+func (s *EPayService) Sign(params map[string]string) string {
+	// 按字母顺序排序参数
+	var keys []string
+	for k := range params {
+		if params[k] == "" || k == "sign" || k == "sign_type" {
+			continue
+		}
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	// 构建待签名字符串
+	var signStr strings.Builder
+	for _, k := range keys {
+		signStr.WriteString(k)
+		signStr.WriteString("=")
+		signStr.WriteString(params[k])
+		signStr.WriteString("&")
+	}
+	signString := strings.TrimSuffix(signStr.String(), "&") + s.config.PrivateKey
+
+	return utils.Md5(signString)
+}
+
+type GeekPayResp struct {
+	Code      int    `json:"code"`
+	Msg       string `json:"msg"`
+	TradeNo   string `json:"trade_no"`
+	PayURL    string `json:"payurl"`
+	QrCode    string `json:"qrcode"`
+	UrlScheme string `json:"urlscheme"` // 小程序跳转支付链接
+}
+
+func (s *EPayService) sendRequest(endpoint string, params map[string]string) (*GeekPayResp, error) {
+	form := url.Values{}
+	for k, v := range params {
+		form.Add(k, v)
+	}
+
+	apiURL := fmt.Sprintf("%s/mapi.php", endpoint)
+	logger.Infof(apiURL)
+
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true, // 取消 SSL 证书验证
+		},
+	}
+	client := &http.Client{Transport: tr}
+	resp, err := client.PostForm(apiURL, form)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	logger.Debugf(string(body))
+	if err != nil {
+		return nil, err
+	}
+
+	var r GeekPayResp
+	err = json.Unmarshal(body, &r)
+	if err != nil {
+		return nil, errors.New("当前支付渠道暂不支持")
+	}
+	if r.Code != 1 {
+		return nil, errors.New(r.Msg)
+	}
+	return &r, nil
+}
+
+func (s *EPayService) Query(outTradeNo string) (OrderInfo, error) {
+
+	params := url.Values{}
+	params.Set("act", "order")
+	params.Set("pid", s.config.AppId)
+	params.Set("key", s.config.PrivateKey)
+	params.Set("out_trade_no", outTradeNo)
+
+	apiURL := fmt.Sprintf("%s/api.php?%s", s.config.ApiURL, params.Encode())
+
+	tr := &http.Transport{
+		TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+	}
+	client := &http.Client{Transport: tr}
+	resp, err := client.Get(apiURL)
+	if err != nil {
+		return OrderInfo{}, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return OrderInfo{}, err
+	}
+	logger.Debugf(string(body))
+
+	var result struct {
+		Code    int    `json:"code"`
+		Msg     string `json:"msg"`
+		Status  string `json:"status"`
+		Name    string `json:"name"`
+		Money   string `json:"money"`
+		EndTime string `json:"endtime"`
+		TradeNo string `json:"trade_no"`
+	}
+	if err := json.Unmarshal(body, &result); err != nil {
+		return OrderInfo{}, errors.New("订单查询响应解析失败")
+	}
+	if result.Code != 1 {
+		return OrderInfo{}, errors.New(result.Msg)
+	}
+	logger.Debugf("订单信息：%+v", result)
+	orderInfo := OrderInfo{
+		OutTradeNo: outTradeNo,
+		TradeId:    result.TradeNo,
+		Amount:     result.Money,
+		PayTime:    result.EndTime,
+	}
+	if result.Status == "1" {
+		orderInfo.Status = Success
+	} else {
+		orderInfo.Status = Failure
+	}
+	return orderInfo, nil
+}
+
+var _ PayService = (*EPayService)(nil)