280 lines
7.4 KiB
Go
280 lines
7.4 KiB
Go
package shumai
|
||
|
||
import (
|
||
"context"
|
||
"crypto/md5"
|
||
"encoding/json"
|
||
"errors"
|
||
"fmt"
|
||
"io"
|
||
"net/http"
|
||
"net/url"
|
||
"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")
|
||
ErrNotFound = errors.New("查询为空")
|
||
)
|
||
|
||
// ShumaiResponse 数脉 API 通用响应（占位，按实际文档调整）
|
||
type ShumaiResponse struct {
|
||
Code int `json:"code"` // 状态码
|
||
Msg string `json:"msg"`
|
||
Message string `json:"message"`
|
||
Data interface{} `json:"data"`
|
||
}
|
||
|
||
// ShumaiConfig 数脉服务配置
|
||
type ShumaiConfig struct {
|
||
URL string
|
||
AppID string
|
||
AppSecret string
|
||
AppID2 string // 走政务接口使用这个
|
||
AppSecret2 string // 走政务接口使用这个
|
||
SignMethod SignMethod
|
||
Timeout time.Duration
|
||
}
|
||
|
||
// ShumaiService 数脉服务
|
||
type ShumaiService struct {
|
||
config ShumaiConfig
|
||
logger *external_logger.ExternalServiceLogger
|
||
useGovernment bool // 是否使用政务接口（app_id2）
|
||
}
|
||
|
||
// NewShumaiService 创建数脉服务实例
|
||
// appID2 和 appSecret2 用于政务接口，如果为空则只使用普通接口
|
||
func NewShumaiService(url, appID, appSecret string, signMethod SignMethod, timeout time.Duration, logger *external_logger.ExternalServiceLogger, appID2, appSecret2 string) *ShumaiService {
|
||
if signMethod == "" {
|
||
signMethod = SignMethodHMACMD5
|
||
}
|
||
if timeout == 0 {
|
||
timeout = 60 * time.Second
|
||
}
|
||
return &ShumaiService{
|
||
config: ShumaiConfig{
|
||
URL: url,
|
||
AppID: appID,
|
||
AppSecret: appSecret,
|
||
AppID2: appID2, // 走政务接口使用这个
|
||
AppSecret2: appSecret2, // 走政务接口使用这个
|
||
SignMethod: signMethod,
|
||
Timeout: timeout,
|
||
},
|
||
logger: logger,
|
||
useGovernment: false,
|
||
}
|
||
}
|
||
|
||
func (s *ShumaiService) generateRequestID() string {
|
||
timestamp := time.Now().UnixNano()
|
||
appID := s.getCurrentAppID()
|
||
hash := md5.Sum([]byte(fmt.Sprintf("%d_%s", timestamp, appID)))
|
||
return fmt.Sprintf("shumai_%x", hash[:8])
|
||
}
|
||
|
||
// getCurrentAppID 获取当前使用的 AppID
|
||
func (s *ShumaiService) getCurrentAppID() string {
|
||
if s.useGovernment && s.config.AppID2 != "" {
|
||
return s.config.AppID2
|
||
}
|
||
return s.config.AppID
|
||
}
|
||
|
||
// getCurrentAppSecret 获取当前使用的 AppSecret
|
||
func (s *ShumaiService) getCurrentAppSecret() string {
|
||
if s.useGovernment && s.config.AppSecret2 != "" {
|
||
return s.config.AppSecret2
|
||
}
|
||
return s.config.AppSecret
|
||
}
|
||
|
||
// UseGovernment 切换到政务接口（使用 app_id2 和 app_secret2）
|
||
func (s *ShumaiService) UseGovernment() {
|
||
s.useGovernment = true
|
||
}
|
||
|
||
// UseNormal 切换到普通接口（使用 app_id 和 app_secret）
|
||
func (s *ShumaiService) UseNormal() {
|
||
s.useGovernment = false
|
||
}
|
||
|
||
// IsUsingGovernment 检查是否正在使用政务接口
|
||
func (s *ShumaiService) IsUsingGovernment() bool {
|
||
return s.useGovernment
|
||
}
|
||
|
||
// GetConfig 返回当前配置
|
||
func (s *ShumaiService) GetConfig() ShumaiConfig {
|
||
return s.config
|
||
}
|
||
|
||
// CallAPIForm 以表单方式调用数脉 API（application/x-www-form-urlencoded）
|
||
// 在方法内部将 reqFormData 转为表单：先写入业务参数，再追加 appid、timestamp、sign。
|
||
// 签名算法：md5(appid×tamp&app_security)，32 位小写，不足补 0。
|
||
func (s *ShumaiService) CallAPIForm(ctx context.Context, apiPath string, reqFormData map[string]interface{}) ([]byte, error) {
|
||
startTime := time.Now()
|
||
requestID := s.generateRequestID()
|
||
timestamp := strconv.FormatInt(time.Now().UnixMilli(), 10)
|
||
appID := s.getCurrentAppID()
|
||
appSecret := s.getCurrentAppSecret()
|
||
sign := GenerateSignForm(appID, timestamp, appSecret)
|
||
|
||
var transactionID string
|
||
if id, ok := ctx.Value("transaction_id").(string); ok {
|
||
transactionID = id
|
||
}
|
||
|
||
form := url.Values{}
|
||
form.Set("appid", appID)
|
||
form.Set("timestamp", timestamp)
|
||
form.Set("sign", sign)
|
||
for k, v := range reqFormData {
|
||
if v == nil {
|
||
continue
|
||
}
|
||
form.Set(k, fmt.Sprint(v))
|
||
}
|
||
body := form.Encode()
|
||
|
||
baseURL := strings.TrimSuffix(s.config.URL, "/")
|
||
|
||
reqURL := baseURL
|
||
if apiPath != "" {
|
||
reqURL = baseURL + "/" + strings.TrimPrefix(apiPath, "/")
|
||
}
|
||
if apiPath == "" {
|
||
apiPath = "shumai_form"
|
||
}
|
||
if s.logger != nil {
|
||
s.logger.LogRequest(requestID, transactionID, apiPath, reqURL)
|
||
}
|
||
|
||
req, err := http.NewRequestWithContext(ctx, "POST", reqURL, strings.NewReader(body))
|
||
if err != nil {
|
||
err = errors.Join(ErrSystem, err)
|
||
if s.logger != nil {
|
||
s.logger.LogError(requestID, transactionID, apiPath, err, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
|
||
|
||
client := &http.Client{Timeout: s.config.Timeout}
|
||
resp, err := client.Do(req)
|
||
if err != nil {
|
||
isTimeout := ctx.Err() == context.DeadlineExceeded
|
||
if !isTimeout {
|
||
if te, ok := err.(interface{ Timeout() bool }); ok && te.Timeout() {
|
||
isTimeout = true
|
||
}
|
||
}
|
||
if !isTimeout {
|
||
es := err.Error()
|
||
if strings.Contains(es, "deadline exceeded") || strings.Contains(es, "timeout") || strings.Contains(es, "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, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
defer resp.Body.Close()
|
||
|
||
duration := time.Since(startTime)
|
||
raw, err := io.ReadAll(resp.Body)
|
||
if err != nil {
|
||
err = errors.Join(ErrSystem, err)
|
||
if s.logger != nil {
|
||
s.logger.LogError(requestID, transactionID, apiPath, err, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
if resp.StatusCode != http.StatusOK {
|
||
err = errors.Join(ErrDatasource, fmt.Errorf("HTTP %d", resp.StatusCode))
|
||
if s.logger != nil {
|
||
s.logger.LogError(requestID, transactionID, apiPath, err, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
if s.logger != nil {
|
||
s.logger.LogResponse(requestID, transactionID, apiPath, resp.StatusCode, duration)
|
||
}
|
||
|
||
var shumaiResp ShumaiResponse
|
||
if err := json.Unmarshal(raw, &shumaiResp); 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, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
|
||
codeStr := strconv.Itoa(shumaiResp.Code)
|
||
msg := shumaiResp.Msg
|
||
if msg == "" {
|
||
msg = shumaiResp.Message
|
||
}
|
||
|
||
shumaiErr := NewShumaiErrorFromCode(codeStr)
|
||
if !shumaiErr.IsSuccess() {
|
||
if shumaiErr.Message == "未知错误" && msg != "" {
|
||
shumaiErr = NewShumaiError(codeStr, msg)
|
||
}
|
||
if s.logger != nil {
|
||
s.logger.LogError(requestID, transactionID, apiPath, shumaiErr, reqFormData)
|
||
}
|
||
if shumaiErr.IsNoRecord() {
|
||
return nil, errors.Join(ErrNotFound, shumaiErr)
|
||
}
|
||
return nil, errors.Join(ErrDatasource, shumaiErr)
|
||
}
|
||
|
||
if shumaiResp.Data == nil {
|
||
return []byte("{}"), nil
|
||
}
|
||
|
||
dataBytes, err := json.Marshal(shumaiResp.Data)
|
||
if err != nil {
|
||
err = errors.Join(ErrSystem, fmt.Errorf("data 序列化失败: %w", err))
|
||
if s.logger != nil {
|
||
s.logger.LogError(requestID, transactionID, apiPath, err, reqFormData)
|
||
}
|
||
return nil, err
|
||
}
|
||
return dataBytes, nil
|
||
}
|
||
|
||
func (s *ShumaiService) Encrypt(data string) (string, error) {
|
||
appSecret := s.getCurrentAppSecret()
|
||
encryptedValue, err := Encrypt(data, appSecret)
|
||
if err != nil {
|
||
return "", ErrSystem
|
||
}
|
||
return encryptedValue, nil
|
||
}
|
||
|
||
func (s *ShumaiService) Decrypt(encodedData string) ([]byte, error) {
|
||
appSecret := s.getCurrentAppSecret()
|
||
decryptedValue, err := Decrypt(encodedData, appSecret)
|
||
if err != nil {
|
||
return nil, ErrSystem
|
||
}
|
||
return decryptedValue, nil
|
||
}
|