eta_task/services/eta_bridge/eta_bridge.go

package eta_bridge

import (
	"encoding/json"
	"errors"
	"eta/eta_task/utils"
	"fmt"
	"io"
	"net/http"
	"strings"
)

// BaseEtaBridgeDataResp 基础返回参数
type BaseEtaBridgeDataResp struct {
	Code int    `json:"code" description:"状态码"`
	Msg  string `json:"msg" description:"提示信息"`
	//Data GetCrmTokenData `json:"data" description:"返回数据"`
}

// HttpEtaBridgePost
// @Description: eta-bridge的post请求
// @author: Roc
// @datetime 2024-02-28 16:55:02
// @param urlStr string
// @param postData string
// @param param interface{}
// @return bResult []byte
// @return err error
// @return errMsg string
func HttpEtaBridgePost(urlStr string, param interface{}) (bResult []byte, err error, errMsg string) {
	if utils.EtaBridgeUrl == "" {
		errMsg = `未配置第三方的桥接服务地址`
		err = errors.New(errMsg)
		return
	}
	data, e := json.Marshal(param)
	if e != nil {
		err = fmt.Errorf("data json marshal err: %s", e.Error())
		return
	}

	postUrl := utils.EtaBridgeUrl + "/api" + urlStr

	body := io.NopCloser(strings.NewReader(string(data)))
	client := &http.Client{}
	req, e := http.NewRequest("POST", postUrl, body)
	if e != nil {
		err = fmt.Errorf("http create request err: %s", e.Error())
		return
	}

	contentType := "application/json;charset=utf-8"
	req.Header.Set("Content-Type", contentType)

	checkToken := utils.MD5(utils.EtaBridgeAppNameEn + utils.EtaBridgeMd5Key)
	req.Header.Set("Authorization", checkToken)
	resp, e := client.Do(req)
	if e != nil {
		err = fmt.Errorf("http client do err: %s", e.Error())
		return
	}
	defer func() {
		_ = resp.Body.Close()
	}()
	bResult, e = io.ReadAll(resp.Body)
	if e != nil {
		err = fmt.Errorf("resp body read err: %s", e.Error())
		return
	}
	if len(bResult) == 0 {
		err = fmt.Errorf("resp body is empty")
		return
	}
	// 生产环境解密, 注意有个坑前后的双引号
	if utils.RunMode == "release" {
		str := string(bResult)
		str = strings.Trim(str, `"`)
		bResult = utils.DesBase64Decrypt([]byte(str), utils.EtaBridgeDesKey)
	}

	result := new(BaseEtaBridgeDataResp)
	if e = json.Unmarshal(bResult, &result); e != nil {
		err = fmt.Errorf("result unmarshal err: %s\nresult: %s", e.Error(), string(bResult))
		utils.FileLog.Info("第三方登录（向桥接服务换取token）:\n" + string(bResult))
		return
	}
	if result.Code != 200 {
		errMsg = result.Msg
		err = fmt.Errorf("result: %s", string(bResult))
		return
	}

	return
}