24 KiB
24 KiB
// File: hb/go.mod
module hb
go 1.21
// File: hb/types.go
package hb
// RefundRequest 退款接口请求参数
type RefundRequest struct {
MerchantId string `json:"merchantId"` // 商户编号
RequestId string `json:"requestId"` // 商户请求号
SignType string `json:"signType"` // 签名方式：MD5 或 RSA
Type string `json:"type"` // 接口类型：OrderRefund
Version string `json:"version"` // 版本号：2.0.0
OrderId string `json:"orderId"` // 商户订单号
Amount string `json:"amount"` // 退款金额，以分为单位
MerchantCert string `json:"merchantCert,omitempty"` // 商户证书公钥（不参与签名）
Hmac string `json:"hmac,omitempty"` // 签名数据
}
// RefundResponse 退款接口响应参数
type RefundResponse struct {
MerchantId string `json:"merchantId"` // 商户编号
PayNo string `json:"payNo"` // 手机支付平台退款交易流水号
ReturnCode string `json:"returnCode"` // 返回码
Message string `json:"message"` // 返回码描述信息
SignType string `json:"signType"` // 签名方式：MD5 或 RSA
Type string `json:"type"` // 接口类型：OrderRefund
Version string `json:"version"` // 版本号：2.0.0
Amount string `json:"amount"` // 退款金额，单位为分
OrderId string `json:"orderId"` // 商户订单号
Status string `json:"status"` // 退款结果：SUCCESS / FAILED
ServerCert string `json:"serverCert,omitempty"` // 服务器证书公钥（不参与签名）
Hmac string `json:"hmac,omitempty"` // 签名数据
}
// RefundStatus 退款状态常量
const (
RefundStatusSuccess = "SUCCESS"
RefundStatusFailed = "FAILED"
)
// SignType 签名方式常量
const (
SignTypeMD5 = "MD5"
SignTypeRSA = "RSA"
)
// 接口类型常量
const (
InterfaceTypeOrderRefund = "OrderRefund"
)
// 版本号常量
const (
Version = "2.0.0"
)
// 返回码常量
const (
ReturnCodeSuccess = "000000"
ReturnCodeSuccessAlt = "MCG00000"
)
// File: hb/errors.go
package hb
import "fmt"
// Error 自定义错误类型
type Error struct {
Code string `json:"code"`
Message string `json:"message"`
Err error `json:"-"`
}
func (e *Error) Error() string {
if e.Err != nil {
return fmt.Sprintf("[%s] %s: %v", e.Code, e.Message, e.Err)
}
return fmt.Sprintf("[%s] %s", e.Code, e.Message)
}
func (e *Error) Unwrap() error {
return e.Err
}
// NewError 创建新的错误
func NewError(code, message string, err error) *Error {
return &Error{
Code: code,
Message: message,
Err: err,
}
}
// 预定义错误
var (
ErrSignTypeInvalid = NewError("SIGN_TYPE_INVALID", "不支持的签名方式，仅支持 MD5 或 RSA", nil)
ErrSignVerifyFailed = NewError("SIGN_VERIFY_FAILED", "签名验证失败", nil)
ErrPrivateKeyInvalid = NewError("PRIVATE_KEY_INVALID", "私钥格式无效", nil)
ErrPublicKeyInvalid = NewError("PUBLIC_KEY_INVALID", "公钥格式无效", nil)
ErrNetwork = NewError("NETWORK_ERROR", "网络请求失败", nil)
ErrResponseParse = NewError("RESPONSE_PARSE_ERROR", "响应解析失败", nil)
ErrMerchantIdEmpty = NewError("MERCHANT_ID_EMPTY", "商户编号不能为空", nil)
ErrSignKeyEmpty = NewError("SIGN_KEY_EMPTY", "商户密钥不能为空", nil)
ErrRequestIdEmpty = NewError("REQUEST_ID_EMPTY", "商户请求号不能为空", nil)
ErrOrderIdEmpty = NewError("ORDER_ID_EMPTY", "商户订单号不能为空", nil)
ErrAmountEmpty = NewError("AMOUNT_EMPTY", "退款金额不能为空", nil)
)
// 错误码映射
var ErrorCodeMap = map[string]string{
"C01088": "退货金额域非法",
"C01081": "产品名称域越界",
"C01033": "产品名称域为空",
"C01030": "有效期单位域不合法",
"C01028": "有效期数量域为0",
"C01027": "有效期数量域为空",
"C01025": "订单日期域不合法",
"C01024": "订单日期域为空",
"C01019": "币种域取值不合法",
"C01018": "币种域为空",
"C01014": "订单金额域为空",
"D99981": "订单已过期",
"D23190": "退款日期超过最大有效期",
"D22407": "退款金额大于可退款金额",
"D22401": "退货金额大于可退货金额",
"D22208": "订单状态异常",
"D22201": "订单不存在",
"D22224": "账户支付方式不正确",
"D77040": "商户没有开通此类交易的权限",
"IPS0008": "签名不符，一般都是由于中文编码引起",
"IPS0001": "一般都是因为商户编号或者密钥不对引起",
}
// GetErrorDescription 根据错误码获取错误描述
func GetErrorDescription(code string) string {
if desc, ok := ErrorCodeMap[code]; ok {
return desc
}
return "未知错误码"
}
// File: hb/crypto.go
package hb
import (
"crypto"
"crypto/md5"
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/x509"
"encoding/hex"
"encoding/pem"
"fmt"
"strings"
)
// buildSignString 按文档指定顺序拼接签名串（请求）
// 参数顺序：merchantId, requestId, signType, type, version, orderId, amount
func buildSignString(params map[string]string, orderedKeys []string) string {
var parts []string
for _, k := range orderedKeys {
if v, ok := params[k]; ok {
parts = append(parts, fmt.Sprintf("%s=%s", k, v))
}
}
return strings.Join(parts, "&")
}
// getRequestSignKeys 获取请求签名参数顺序
func getRequestSignKeys() []string {
return []string{"merchantId", "requestId", "signType", "type", "version", "orderId", "amount"}
}
// getResponseSignKeys 获取响应签名参数顺序
func getResponseSignKeys() []string {
return []string{"merchantId", "payNo", "returnCode", "message", "signType", "type", "version", "amount", "orderId", "status"}
}
// SignMD5 MD5签名
// 在待签名数据之后加上商户密钥（signKey），生成MD5摘要
func SignMD5(signStr, signKey string) string {
data := signStr + signKey
hash := md5.Sum([]byte(data))
return hex.EncodeToString(hash[:])
}
// VerifyMD5 验证MD5签名
func VerifyMD5(signStr, signKey, hmac string) bool {
return SignMD5(signStr, signKey) == hmac
}
// SignRSA RSA签名（配合SHA-1）
// 使用商户私钥对签名串进行RSA-SHA1签名
func SignRSA(signStr string, privateKeyPEM string) (string, error) {
block, _ := pem.Decode([]byte(privateKeyPEM))
if block == nil {
return "", fmt.Errorf("failed to decode PEM private key")
}
var privateKey *rsa.PrivateKey
// 尝试PKCS8格式
key, err := x509.ParsePKCS8PrivateKey(block.Bytes)
if err == nil {
var ok bool
privateKey, ok = key.(*rsa.PrivateKey)
if !ok {
return "", fmt.Errorf("not a RSA private key")
}
} else {
// 尝试PKCS1格式
privateKey, err = x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
return "", fmt.Errorf("failed to parse private key (PKCS1/PKCS8): %v", err)
}
}
// 计算SHA-1哈希
hash := sha1.Sum([]byte(signStr))
// RSA签名
signature, err := rsa.SignPKCS1v15(rand.Reader, privateKey, crypto.SHA1, hash[:])
if err != nil {
return "", fmt.Errorf("RSA sign failed: %v", err)
}
return hex.EncodeToString(signature), nil
}
// VerifyRSA 验证RSA签名
// 使用手机支付公钥验证响应签名
func VerifyRSA(signStr, signatureHex, publicKeyPEM string) error {
block, _ := pem.Decode([]byte(publicKeyPEM))
if block == nil {
return fmt.Errorf("failed to decode PEM public key")
}
// 尝试解析公钥
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
// 尝试解析证书
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return fmt.Errorf("failed to parse public key: %v", err)
}
pub = cert.PublicKey
}
rsaPub, ok := pub.(*rsa.PublicKey)
if !ok {
return fmt.Errorf("not a RSA public key")
}
// 解码签名
signature, err := hex.DecodeString(signatureHex)
if err != nil {
return fmt.Errorf("failed to decode signature hex: %v", err)
}
// 计算SHA-1哈希
hash := sha1.Sum([]byte(signStr))
// 验证签名
err = rsa.VerifyPKCS1v15(rsaPub, crypto.SHA1, hash[:], signature)
if err != nil {
return fmt.Errorf("RSA verify failed: %v", err)
}
return nil
}
// extractCertFromPEM 从PEM格式的证书中提取公钥PEM
// 有些场景下serverCert返回的是证书，需要提取公钥
func extractPublicKeyFromCert(certPEM string) (string, error) {
block, _ := pem.Decode([]byte(certPEM))
if block == nil {
return "", fmt.Errorf("failed to decode PEM certificate")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return "", fmt.Errorf("failed to parse certificate: %v", err)
}
pubKeyBytes, err := x509.MarshalPKIXPublicKey(cert.PublicKey)
if err != nil {
return "", fmt.Errorf("failed to marshal public key: %v", err)
}
pubKeyPEM := pem.EncodeToMemory(&pem.Block{
Type: "PUBLIC KEY",
Bytes: pubKeyBytes,
})
return string(pubKeyPEM), nil
}
// File: hb/client.go
package hb
import (
"context"
"fmt"
"io"
"net/http"
"net/url"
"strings"
)
// Client 手机支付平台客户端
type Client struct {
merchantId string // 商户编号
signKey string // 商户密钥（MD5签名使用）
privateKeyPEM string // 商户RSA私钥（RSA签名使用）
baseURL string // 接口基础URL
httpClient *http.Client
}
// ClientOption 客户端配置选项
type ClientOption func(*Client)
// WithSignKey 设置MD5签名密钥
func WithSignKey(signKey string) ClientOption {
return func(c *Client) {
c.signKey = signKey
}
}
// WithPrivateKey 设置RSA私钥（PEM格式）
func WithPrivateKey(privateKeyPEM string) ClientOption {
return func(c *Client) {
c.privateKeyPEM = privateKeyPEM
}
}
// WithBaseURL 设置接口基础URL
func WithBaseURL(baseURL string) ClientOption {
return func(c *Client) {
c.baseURL = baseURL
}
}
// WithHTTPClient 设置自定义HTTP客户端
func WithHTTPClient(httpClient *http.Client) ClientOption {
return func(c *Client) {
c.httpClient = httpClient
}
}
// NewClient 创建新的手机支付平台客户端
// merchantId: 商户编号
// opts: 配置选项
func NewClient(merchantId string, opts ...ClientOption) (*Client, error) {
if merchantId == "" {
return nil, ErrMerchantIdEmpty
}
c := &Client{
merchantId: merchantId,
baseURL: "https://ipos.10086.cn",
httpClient: &http.Client{},
}
for _, opt := range opts {
opt(c)
}
return c, nil
}
// Refund 退款接口
// 通过中国移动手机支付渠道，将已成功交易的款项退还给用户
func (c *Client) Refund(ctx context.Context, req *RefundRequest) (*RefundResponse, error) {
if req == nil {
return nil, fmt.Errorf("request cannot be nil")
}
// 设置固定参数
req.MerchantId = c.merchantId
req.Type = InterfaceTypeOrderRefund
req.Version = Version
// 参数校验
if req.RequestId == "" {
return nil, ErrRequestIdEmpty
}
if req.OrderId == "" {
return nil, ErrOrderIdEmpty
}
if req.Amount == "" {
return nil, ErrAmountEmpty
}
if req.SignType == "" {
return nil, ErrSignTypeInvalid
}
if req.SignType != SignTypeMD5 && req.SignType != SignTypeRSA {
return nil, ErrSignTypeInvalid
}
// 生成签名
hmac, err := c.generateRequestSign(req)
if err != nil {
return nil, fmt.Errorf("generate sign failed: %w", err)
}
req.Hmac = hmac
// 构建请求参数
params := c.buildRequestParams(req)
// 发送请求
resp, err := c.doPost(ctx, params)
if err != nil {
return nil, err
}
// 验证响应签名
if err := c.verifyResponseSign(resp); err != nil {
return nil, err
}
return resp, nil
}
// generateRequestSign 生成请求签名
func (c *Client) generateRequestSign(req *RefundRequest) (string, error) {
// 构建参数字典
params := map[string]string{
"merchantId": req.MerchantId,
"requestId": req.RequestId,
"signType": req.SignType,
"type": req.Type,
"version": req.Version,
"orderId": req.OrderId,
"amount": req.Amount,
}
// 按文档指定顺序拼接签名串
signStr := buildSignString(params, getRequestSignKeys())
switch req.SignType {
case SignTypeMD5:
if c.signKey == "" {
return "", ErrSignKeyEmpty
}
return SignMD5(signStr, c.signKey), nil
case SignTypeRSA:
if c.privateKeyPEM == "" {
return "", ErrPrivateKeyInvalid
}
return SignRSA(signStr, c.privateKeyPEM)
default:
return "", ErrSignTypeInvalid
}
}
// buildRequestParams 构建请求参数（用于HTTP请求）
func (c *Client) buildRequestParams(req *RefundRequest) url.Values {
params := url.Values{}
params.Set("merchantId", req.MerchantId)
params.Set("requestId", req.RequestId)
params.Set("signType", req.SignType)
params.Set("type", req.Type)
params.Set("version", req.Version)
params.Set("orderId", req.OrderId)
params.Set("amount", req.Amount)
params.Set("hmac", req.Hmac)
return params
}
// doPost 发送POST请求
func (c *Client) doPost(ctx context.Context, params url.Values) (*RefundResponse, error) {
apiURL := c.baseURL + "/ips/cmpayService"
bodyStr := params.Encode()
req, err := http.NewRequestWithContext(ctx, http.MethodPost, apiURL, strings.NewReader(bodyStr))
if err != nil {
return nil, fmt.Errorf("create request failed: %w", err)
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=utf-8")
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("do request failed: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("read response body failed: %w", err)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("unexpected status code: %d, body: %s", resp.StatusCode, string(body))
}
return parseResponse(string(body))
}
// parseResponse 解析响应字符串为结构体
func parseResponse(raw string) (*RefundResponse, error) {
resp := &RefundResponse{}
pairs := strings.Split(raw, "&")
for _, pair := range pairs {
eqIdx := strings.IndexByte(pair, '=')
if eqIdx < 0 {
continue
}
key := pair[:eqIdx]
value := pair[eqIdx+1:]
switch key {
case "merchantId":
resp.MerchantId = value
case "payNo":
resp.PayNo = value
case "returnCode":
resp.ReturnCode = value
case "message":
resp.Message = value
case "signType":
resp.SignType = value
case "type":
resp.Type = value
case "version":
resp.Version = value
case "amount":
resp.Amount = value
case "orderId":
resp.OrderId = value
case "status":
resp.Status = value
case "serverCert":
resp.ServerCert = value
case "hmac":
resp.Hmac = value
}
}
return resp, nil
}
// verifyResponseSign 验证响应签名
func (c *Client) verifyResponseSign(resp *RefundResponse) error {
// 构建参数字典
params := map[string]string{
"merchantId": resp.MerchantId,
"payNo": resp.PayNo,
"returnCode": resp.ReturnCode,
"message": resp.Message,
"signType": resp.SignType,
"type": resp.Type,
"version": resp.Version,
"amount": resp.Amount,
"orderId": resp.OrderId,
"status": resp.Status,
}
// 按文档指定顺序拼接签名串
signStr := buildSignString(params, getResponseSignKeys())
switch resp.SignType {
case SignTypeMD5:
if c.signKey == "" {
return ErrSignKeyEmpty
}
if !VerifyMD5(signStr, c.signKey, resp.Hmac) {
return ErrSignVerifyFailed
}
return nil
case SignTypeRSA:
if resp.ServerCert == "" {
return fmt.Errorf("response missing serverCert for RSA verification")
}
// 从证书中提取公钥
pubKeyPEM, err := extractPublicKeyFromCert(resp.ServerCert)
if err != nil {
return fmt.Errorf("extract public key from cert failed: %w", err)
}
return VerifyRSA(signStr, resp.Hmac, pubKeyPEM)
default:
return ErrSignTypeInvalid
}
}
// IsRefundSuccess 判断退款是否成功
// 返回码为 000000 或 MCG00000 表示退款请求成功
// 退款最终结果以 status 字段为准
func IsRefundRequestSuccess(returnCode string) bool {
return returnCode == ReturnCodeSuccess || returnCode == ReturnCodeSuccessAlt
}
// IsRefundSuccess 判断退款最终结果是否成功
func IsRefundSuccess(status string) bool {
return status == RefundStatusSuccess
}
// File: hb/example_test.go
package hb
import (
"context"
"fmt"
"log"
"testing"
)
// ExampleClient_Refund_MD5 使用MD5签名的退款示例
func ExampleClient_Refund_MD5() {
// 创建客户端（使用MD5签名）
client, err := NewClient(
"888009941110054",
WithSignKey("your-64-digit-sign-key-here"),
WithBaseURL("https://uatipos.10086.cn"), // 测试环境
)
if err != nil {
log.Fatalf("创建客户端失败: %v", err)
}
// 构建退款请求
req := &RefundRequest{
RequestId: "20211105053044",
SignType: SignTypeMD5,
OrderId: "20211105045315",
Amount: "1",
}
// 发送退款请求
resp, err := client.Refund(context.Background(), req)
if err != nil {
log.Fatalf("退款请求失败: %v", err)
}
fmt.Printf("返回码: %s\n", resp.ReturnCode)
fmt.Printf("退款结果: %s\n", resp.Status)
fmt.Printf("流水号: %s\n", resp.PayNo)
// 判断退款请求是否成功
if IsRefundRequestSuccess(resp.ReturnCode) {
fmt.Println("退款请求提交成功")
}
// 判断退款最终结果
if IsRefundSuccess(resp.Status) {
fmt.Println("退款最终成功")
}
// Output:
// 返回码: 000000
// 退款结果: SUCCESS
// 流水号: 205206151912517707
// 退款请求提交成功
// 退款最终成功
}
// ExampleClient_Refund_RSA 使用RSA签名的退款示例
func ExampleClient_Refund_RSA() {
// 商户RSA私钥（PEM格式）
privateKey := `-----BEGIN PRIVATE KEY-----
MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAJ...（你的私钥）
-----END PRIVATE KEY-----`
// 创建客户端（使用RSA签名）
client, err := NewClient(
"888009941110054",
WithPrivateKey(privateKey),
WithBaseURL("https://ipos.10086.cn"), // 生产环境
)
if err != nil {
log.Fatalf("创建客户端失败: %v", err)
}
// 构建退款请求
req := &RefundRequest{
RequestId: "20211105053044",
SignType: SignTypeRSA,
OrderId: "20211105045315",
Amount: "1",
}
// 发送退款请求
resp, err := client.Refund(context.Background(), req)
if err != nil {
log.Fatalf("退款请求失败: %v", err)
}
fmt.Printf("返回码: %s\n", resp.ReturnCode)
fmt.Printf("退款结果: %s\n", resp.Status)
// Output:
// 返回码: 000000
// 退款结果: SUCCESS
}
// TestSignMD5 测试MD5签名
func TestSignMD5(t *testing.T) {
signStr := "merchantId=888009941110054&requestId=20211105053044&signType=MD5&type=OrderRefund&version=2.0.0&orderId=20211105045315&amount=1"
signKey := "test-sign-key-64-chars-length-string-for-testing"
hmac := SignMD5(signStr, signKey)
if hmac == "" {
t.Error("MD5签名结果为空")
}
t.Logf("MD5签名结果: %s", hmac)
// 验证签名
if !VerifyMD5(signStr, signKey, hmac) {
t.Error("MD5签名验证失败")
}
}
// TestBuildSignString 测试签名串构建
func TestBuildSignString(t *testing.T) {
params := map[string]string{
"merchantId": "888009941110054",
"requestId": "20211105053044",
"signType": "MD5",
"type": "OrderRefund",
"version": "2.0.0",
"orderId": "20211105045315",
"amount": "1",
}
keys := getRequestSignKeys()
signStr := buildSignString(params, keys)
expected := "merchantId=888009941110054&requestId=20211105053044&signType=MD5&type=OrderRefund&version=2.0.0&orderId=20211105045315&amount=1"
if signStr != expected {
t.Errorf("签名串不匹配\n期望: %s\n实际: %s", expected, signStr)
}
}
// TestParseResponse 测试响应解析
func TestParseResponse(t *testing.T) {
rawResponse := `merchantId=888009941110054&payNo=205206151912517707&returnCode=000000&message=SUCCESS&signType=RSA&type=OrderRefund&version=2.0.0&amount=1&orderId=20211105045315&status=SUCCESS&serverCert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hmac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`
resp, err := parseResponse(rawResponse)
if err != nil {
t.Fatalf("解析响应失败: %v", err)
}
if resp.MerchantId != "888009941110054" {
t.Errorf("MerchantId不匹配: %s", resp.MerchantId)
}
if resp.PayNo != "205206151912517707" {
t.Errorf("PayNo不匹配: %s", resp.PayNo)
}
if resp.ReturnCode != "000000" {
t.Errorf("ReturnCode不匹配: %s", resp.ReturnCode)
}
if resp.Status != "SUCCESS" {
t.Errorf("Status不匹配: %s", resp.Status)
}
if resp.SignType != "RSA" {
t.Errorf("SignType不匹配: %s", resp.SignType)
}
}
// TestErrorCode 测试错误码映射
func TestErrorCode(t *testing.T) {
tests := []struct {
code string
expected string
}{
{"000000", "未知错误码"},
{"C01088", "退货金额域非法"},
{"D22201", "订单不存在"},
{"IPS0008", "签名不符，一般都是由于中文编码引起"},
{"UNKNOWN", "未知错误码"},
}
for _, tt := range tests {
desc := GetErrorDescription(tt.code)
if desc != tt.expected {
t.Errorf("错误码 %s: 期望 %s, 实际 %s", tt.code, tt.expected, desc)
}
}
}
// TestIsRefundSuccess 测试退款成功判断
func TestIsRefundSuccess(t *testing.T) {
if !IsRefundRequestSuccess("000000") {
t.Error("000000 应该表示退款请求成功")
}
if !IsRefundRequestSuccess("MCG00000") {
t.Error("MCG00000 应该表示退款请求成功")
}
if IsRefundRequestSuccess("C01088") {
t.Error("C01088 不应该表示退款请求成功")
}
if !IsRefundSuccess("SUCCESS") {
t.Error("SUCCESS 应该表示退款最终成功")
}
if IsRefundSuccess("FAILED") {
t.Error("FAILED 不应该表示退款最终成功")
}
}