This commit is contained in:
Mrx
2026-01-30 18:25:30 +08:00
parent 3158bf8c04
commit dbcecde4e0
19 changed files with 1000 additions and 14 deletions

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package shujubao
import (
"crypto/hmac"
"crypto/md5"
"encoding/hex"
"strings"
)
// SignMethod 签名方法
type SignMethod string
const (
SignMethodMD5 SignMethod = "md5"
SignMethodHMACMD5 SignMethod = "hmac"
)
// GenerateSignMD5 使用 MD5 生成签名md5(app_secret + timestamp)32 位小写
func GenerateSignMD5(appSecret, timestamp string) string {
h := md5.Sum([]byte(appSecret + timestamp))
sign := strings.ToLower(hex.EncodeToString(h[:]))
return sign
}
// GenerateSignHMAC 使用 HMAC-MD5 生成签名(仅 timestamp兼容旧逻辑
func GenerateSignHMAC(appSecret, timestamp string) string {
mac := hmac.New(md5.New, []byte(appSecret))
mac.Write([]byte(timestamp))
sign := strings.ToLower(hex.EncodeToString(mac.Sum(nil)))
return sign
}
// GenerateSignFromParamsMD5 根据入参生成签名:入参按 ASCII 排序组合后与 app_secret 做 MD5。
// sortedParamStr 格式为 key1=value1&key2=value2&...key 按字母序)。
func GenerateSignFromParamsMD5(appSecret, sortedParamStr string) string {
h := md5.Sum([]byte(appSecret + sortedParamStr))
sign := strings.ToLower(hex.EncodeToString(h[:]))
return sign
}
// GenerateSignFromParamsHMAC 根据入参生成签名:入参按 ASCII 排序组合后与 app_secret 做 HMAC-MD5。
func GenerateSignFromParamsHMAC(appSecret, sortedParamStr string) string {
mac := hmac.New(md5.New, []byte(appSecret))
mac.Write([]byte(sortedParamStr))
sign := strings.ToLower(hex.EncodeToString(mac.Sum(nil)))
return sign
}

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package shujubao
import (
"fmt"
)
// ShujubaoError 数据宝服务错误
type ShujubaoError struct {
Code string `json:"code"`
Message string `json:"message"`
}
// Error 实现 error 接口
func (e *ShujubaoError) Error() string {
return fmt.Sprintf("数据宝错误 [%s]: %s", e.Code, e.Message)
}
// IsSuccess 检查是否成功
func (e *ShujubaoError) IsSuccess() bool {
return e.Code == "200" || e.Code == "0" || e.Code == "10000"
}
// NewShujubaoError 创建新的数据宝错误
func NewShujubaoError(code, message string) *ShujubaoError {
return &ShujubaoError{
Code: code,
Message: message,
}
}
// 数据宝全系统错误码与描述映射Code -> Desc
var systemErrorCodeDesc = map[string]string{
"10000": "成功",
"10001": "参数传入有误",
"10002": "查询失败",
"10003": "系统处理异常",
"10004": "系统处理超时",
"10005": "服务异常",
"10006": "查无",
"10020": "同一参数请求次数超限",
"99999": "其他错误",
"999": "接口处理异常",
"000": "key参数不能为空",
"001": "找不到这个key",
"002": "调用次数已用完",
"003": "用户该接口状态不可用",
"004": "接口信息不存在",
"005": "你没有认证信息",
"008": "当前接口只允许“企业认证”通过的账户进行调用,请在数据宝官网个人中心进行企业认证后再进行调用,谢谢!",
"009": "触发风控",
"011": "接口缺少参数",
"012": "没有ip访问权限",
"013": "接口模板不存在",
"015": "该接口已下架",
"020": "调用第三方产生异常",
"022": "调用第三方返回的数据格式错误",
"025": "你没有购买此接口",
"026": "用户信息不存在",
"027": "请求第三方地址超时,请稍后再试",
"028": "请求第三方地址被拒绝,请稍后再试",
"034": "签名不合法",
"035": "请求参数加密有误",
"036": "验签失败",
"037": "timestamp不能为空",
"038": "请求繁忙,请稍后联系管理员再试",
"039": "请在个人中心接口设置加密状态",
"040": "timestamp不合法",
"041": "timestamp已过期",
"042": "身份证手机号姓名银行卡等不符合规则",
"043": "该号段不支持验证",
"047": "请在个人中心获取密钥",
"048": "找不到这个secretKey",
"049": "用户还未申购该产品",
"050": "请联系客服开启验签",
"051": "超过当日调用次数",
"052": "机房限制调用,请联系客服切换其他机房",
"053": "系统错误",
"054": "token无效",
"055": "配置信息未完善,请联系数据宝工作人员",
"056": "apiName参数不能为空",
"057": "并发量超过限制,请联系客服",
"058": "撞库风控预警,请联系客服",
}
// GetSystemErrorDesc 根据错误码获取系统错误描述(支持带 SYSTEM_ 前缀或纯数字)
func GetSystemErrorDesc(code string) string {
// 去掉 SYSTEM_ 前缀
key := code
if len(code) > 7 && code[:7] == "SYSTEM_" {
key = code[7:]
}
if desc, ok := systemErrorCodeDesc[key]; ok {
return desc
}
return ""
}
// NewShujubaoErrorFromCode 根据状态码创建错误
func NewShujubaoErrorFromCode(code, message string) *ShujubaoError {
if message != "" {
return NewShujubaoError(code, message)
}
if desc := GetSystemErrorDesc(code); desc != "" {
return NewShujubaoError(code, desc)
}
return NewShujubaoError(code, "未知错误")
}
// IsShujubaoError 检查是否是数据宝错误
func IsShujubaoError(err error) bool {
_, ok := err.(*ShujubaoError)
return ok
}
// GetShujubaoError 获取数据宝错误
func GetShujubaoError(err error) *ShujubaoError {
if shujubaoErr, ok := err.(*ShujubaoError); ok {
return shujubaoErr
}
return nil
}

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package shujubao
import (
"time"
"tyapi-server/internal/config"
"tyapi-server/internal/shared/external_logger"
)
// NewShujubaoServiceWithConfig 使用配置创建数据宝服务
func NewShujubaoServiceWithConfig(cfg *config.Config) (*ShujubaoService, error) {
loggingConfig := external_logger.ExternalServiceLoggingConfig{
Enabled: cfg.Shujubao.Logging.Enabled,
LogDir: cfg.Shujubao.Logging.LogDir,
ServiceName: "shujubao",
UseDaily: cfg.Shujubao.Logging.UseDaily,
EnableLevelSeparation: cfg.Shujubao.Logging.EnableLevelSeparation,
LevelConfigs: make(map[string]external_logger.ExternalServiceLevelFileConfig),
}
for k, v := range cfg.Shujubao.Logging.LevelConfigs {
loggingConfig.LevelConfigs[k] = external_logger.ExternalServiceLevelFileConfig{
MaxSize: v.MaxSize,
MaxBackups: v.MaxBackups,
MaxAge: v.MaxAge,
Compress: v.Compress,
}
}
logger, err := external_logger.NewExternalServiceLogger(loggingConfig)
if err != nil {
return nil, err
}
var signMethod SignMethod
if cfg.Shujubao.SignMethod == "md5" {
signMethod = SignMethodMD5
} else {
signMethod = SignMethodHMACMD5
}
timeout := 60 * time.Second
if cfg.Shujubao.Timeout > 0 {
timeout = cfg.Shujubao.Timeout
}
return NewShujubaoService(
cfg.Shujubao.URL,
cfg.Shujubao.AppSecret,
signMethod,
timeout,
logger,
), nil
}
// NewShujubaoServiceWithLogging 使用自定义日志配置创建数据宝服务
func NewShujubaoServiceWithLogging(url, appSecret string, signMethod SignMethod, timeout time.Duration, loggingConfig external_logger.ExternalServiceLoggingConfig) (*ShujubaoService, error) {
loggingConfig.ServiceName = "shujubao"
logger, err := external_logger.NewExternalServiceLogger(loggingConfig)
if err != nil {
return nil, err
}
return NewShujubaoService(url, appSecret, signMethod, timeout, logger), nil
}
// NewShujubaoServiceSimple 创建无日志的数据宝服务
func NewShujubaoServiceSimple(url, appSecret string, signMethod SignMethod, timeout time.Duration) *ShujubaoService {
return NewShujubaoService(url, appSecret, signMethod, timeout, nil)
}

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package shujubao
import (
"context"
"crypto/md5"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"time"
"tyapi-server/internal/shared/external_logger"
)
var (
ErrDatasource = errors.New("数据源异常")
ErrSystem = errors.New("系统异常")
)
// ShujubaoResp 数据宝 API 通用响应(按实际文档调整)
type ShujubaoResp struct {
Code string `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data"`
Success bool `json:"success"`
}
// ShujubaoConfig 数据宝服务配置
type ShujubaoConfig struct {
URL string
AppSecret string
SignMethod SignMethod
Timeout time.Duration
}
// ShujubaoService 数据宝服务
type ShujubaoService struct {
config ShujubaoConfig
logger *external_logger.ExternalServiceLogger
}
// NewShujubaoService 创建数据宝服务实例
func NewShujubaoService(url, appSecret string, signMethod SignMethod, timeout time.Duration, logger *external_logger.ExternalServiceLogger) *ShujubaoService {
if signMethod == "" {
signMethod = SignMethodHMACMD5
}
if timeout == 0 {
timeout = 60 * time.Second
}
return &ShujubaoService{
config: ShujubaoConfig{
URL: url,
AppSecret: appSecret,
SignMethod: signMethod,
Timeout: timeout,
},
logger: logger,
}
}
// generateRequestID 生成请求 ID
func (s *ShujubaoService) generateRequestID() string {
timestamp := time.Now().UnixNano()
hash := md5.Sum([]byte(fmt.Sprintf("%d_%s", timestamp, s.config.AppSecret)))
return fmt.Sprintf("shujubao_%x", hash[:8])
}
// buildSortedParamStr 将入参按 key 的 ASCII 排序组合为 key1=value1&key2=value2&...
func buildSortedParamStr(params map[string]interface{}) string {
if len(params) == 0 {
return ""
}
keys := make([]string, 0, len(params))
for k := range params {
keys = append(keys, k)
}
sort.Strings(keys)
var b strings.Builder
for i, k := range keys {
if i > 0 {
b.WriteByte('&')
}
v := params[k]
var vs string
switch val := v.(type) {
case string:
vs = val
case nil:
vs = ""
default:
vs = fmt.Sprint(val)
}
b.WriteString(k)
b.WriteByte('=')
b.WriteString(vs)
}
return b.String()
}
// buildFormUrlEncodedBody 按 key 的 ASCII 排序构建 application/x-www-form-urlencoded 请求体(键与值均已 URL 编码)
func buildFormUrlEncodedBody(params map[string]interface{}) string {
if len(params) == 0 {
return ""
}
keys := make([]string, 0, len(params))
for k := range params {
keys = append(keys, k)
}
sort.Strings(keys)
var b strings.Builder
for i, k := range keys {
if i > 0 {
b.WriteByte('&')
}
v := params[k]
var vs string
switch val := v.(type) {
case string:
vs = val
case nil:
vs = ""
default:
vs = fmt.Sprint(val)
}
b.WriteString(url.QueryEscape(k))
b.WriteByte('=')
b.WriteString(url.QueryEscape(vs))
}
return b.String()
}
// generateSign 根据入参与时间戳生成签名。入参按 ASCII 排序组合后与 app_secret 做 MD5/HMAC。
// 对于开启了加密的接口需传 sign 与 timestamp明文传输的接口则无需传这两个参数。
func (s *ShujubaoService) generateSign(timestamp string, params map[string]interface{}) string {
// 合并 timestamp 到入参后参与排序
merged := make(map[string]interface{}, len(params)+1)
for k, v := range params {
merged[k] = v
}
merged["timestamp"] = timestamp
sortedStr := buildSortedParamStr(merged)
switch s.config.SignMethod {
case SignMethodMD5:
return GenerateSignFromParamsMD5(s.config.AppSecret, sortedStr)
default:
return GenerateSignFromParamsHMAC(s.config.AppSecret, sortedStr)
}
}
// buildRequestURL 拼接接口地址得到最终请求 URL如 https://api.chinadatapay.com/communication/personal/197
func (s *ShujubaoService) buildRequestURL(apiPath string) string {
base := strings.TrimSuffix(s.config.URL, "/")
if apiPath == "" {
return base
}
return base + "/" + strings.TrimPrefix(apiPath, "/")
}
// CallAPI 调用数据宝 APIPOST。最终请求地址 = url + 拼接接口地址值body 为业务参数sign、timestamp 按原样传 header。
func (s *ShujubaoService) CallAPI(ctx context.Context, apiPath string, params map[string]interface{}) (data interface{}, err error) {
startTime := time.Now()
requestID := s.generateRequestID()
timestamp := strconv.FormatInt(time.Now().Unix(), 10)
// 最终请求 URL = https://api.chinadatapay.com/communication + 拼接接口地址值,如 /personal/197
requestURL := s.buildRequestURL(apiPath)
var transactionID string
if id, ok := ctx.Value("transaction_id").(string); ok {
transactionID = id
}
if s.logger != nil {
s.logger.LogRequest(requestID, transactionID, apiPath, requestURL)
}
// 使用 application/x-www-form-urlencoded贵司接口暂不支持 JSON 入参
formBody := buildFormUrlEncodedBody(params)
req, err := http.NewRequestWithContext(ctx, "POST", requestURL, strings.NewReader(formBody))
if err != nil {
err = errors.Join(ErrSystem, err)
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, err, params)
}
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
req.Header.Set("timestamp", timestamp)
req.Header.Set("sign", s.generateSign(timestamp, params))
client := &http.Client{Timeout: s.config.Timeout}
response, err := client.Do(req)
if err != nil {
isTimeout := false
if ctx.Err() == context.DeadlineExceeded {
isTimeout = true
} else if netErr, ok := err.(interface{ Timeout() bool }); ok && netErr.Timeout() {
isTimeout = true
} else if errStr := err.Error(); errStr == "context deadline exceeded" ||
errStr == "timeout" ||
errStr == "Client.Timeout exceeded" ||
errStr == "net/http: request canceled" {
isTimeout = true
}
if isTimeout {
err = errors.Join(ErrDatasource, fmt.Errorf("API请求超时: %v", err))
} else {
err = errors.Join(ErrSystem, err)
}
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, err, params)
}
return nil, err
}
defer response.Body.Close()
respBody, err := io.ReadAll(response.Body)
if err != nil {
err = errors.Join(ErrSystem, err)
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, err, params)
}
return nil, err
}
if s.logger != nil {
duration := time.Since(startTime)
s.logger.LogResponse(requestID, transactionID, apiPath, response.StatusCode, duration)
}
if response.StatusCode != http.StatusOK {
err = errors.Join(ErrDatasource, fmt.Errorf("HTTP状态码 %d", response.StatusCode))
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, err, params)
}
return nil, err
}
var shujubaoResp ShujubaoResp
if err := json.Unmarshal(respBody, &shujubaoResp); err != nil {
err = errors.Join(ErrSystem, fmt.Errorf("响应解析失败: %w", err))
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, err, params)
}
return nil, err
}
code := shujubaoResp.Code
if code != "10000" && code != "10006" {
shujubaoErr := NewShujubaoErrorFromCode(code, shujubaoResp.Message)
if s.logger != nil {
s.logger.LogError(requestID, transactionID, apiPath, shujubaoErr, params)
}
return nil, errors.Join(ErrDatasource, shujubaoErr)
}
return shujubaoResp.Data, nil
}