121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
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package service
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"time"
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"ycc-server/app/main/api/internal/config"
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"ycc-server/pkg/lzkit/crypto"
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"github.com/pkg/errors"
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)
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// TianyuanResp 天远API通用响应结构
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type TianyuanResp struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data string `json:"data"` // 加密后的数据
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TransactionID string `json:"transaction_id"` // 交易ID
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}
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// TianyuanService 天远数据服务
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type TianyuanService struct {
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config config.TianyuanConfig
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}
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// NewTianyuanService 是一个构造函数，用于初始化 TianyuanService
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func NewTianyuanService(c config.Config) *TianyuanService {
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return &TianyuanService{
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config: c.TianyuanConfig,
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}
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}
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// Request 通用API请求方法
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func (t *TianyuanService) Request(interfaceName string, params map[string]interface{}) (resp []byte, err error) {
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// 构造请求URL
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reqUrl := fmt.Sprintf("%s/%s", t.config.ApiUrl, interfaceName)
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// 将参数转换为JSON字符串
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paramsJSON, err := json.Marshal(params)
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if err != nil {
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return nil, err
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}
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// 对参数进行AES加密
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encryptedData, err := crypto.TianyuanEncrypt(paramsJSON, t.config.Key)
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if err != nil {
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return nil, err
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}
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// 构造请求数据
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reqData := map[string]interface{}{
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"data": encryptedData,
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}
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jsonData, marshalErr := json.Marshal(reqData)
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if marshalErr != nil {
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return nil, marshalErr
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}
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// 创建HTTP POST请求
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req, newRequestErr := http.NewRequest("POST", reqUrl, bytes.NewBuffer(jsonData))
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if newRequestErr != nil {
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return nil, newRequestErr
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}
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// 设置请求头
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Access-Id", t.config.AccessId)
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// 发送请求
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client := &http.Client{
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Timeout: 20 * time.Second, // 默认20秒超时
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}
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httpResp, clientDoErr := client.Do(req)
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if clientDoErr != nil {
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return nil, clientDoErr
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}
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defer func(Body io.ReadCloser) {
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closeErr := Body.Close()
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if closeErr != nil {
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// 记录日志，但不中断程序
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}
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}(httpResp.Body)
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// 检查请求是否成功
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if httpResp.StatusCode == 200 {
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// 读取响应体
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bodyBytes, ReadErr := io.ReadAll(httpResp.Body)
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if ReadErr != nil {
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return nil, ReadErr
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}
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// 解析响应
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var tianyuanResp TianyuanResp
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UnmarshalErr := json.Unmarshal(bodyBytes, &tianyuanResp)
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if UnmarshalErr != nil {
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return nil, UnmarshalErr
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}
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if tianyuanResp.Code != 0 {
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return nil, errors.New(tianyuanResp.Message)
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}
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// 解密响应数据
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if tianyuanResp.Data != "" {
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decryptedData, DecryptErr := crypto.TianyuanDecrypt(tianyuanResp.Data, t.config.Key)
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if DecryptErr != nil {
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return nil, DecryptErr
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}
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return decryptedData, nil
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}
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return bodyBytes, nil
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}
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return nil, fmt.Errorf("天远API请求失败Code: %d", httpResp.StatusCode)
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}
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