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- package pay
-
- import (
- "crypto/md5"
- "encoding/hex"
- "encoding/json"
- "errors"
- "strconv"
- "strings"
- "time"
-
- "git.tetele.net/tgo/crypter"
-
- "github.com/golang/protobuf/proto"
- )
-
- type PayToBusinessReq struct {
- SiteId string `json:"site_id"`
- Dbname string `json:"dbname"`
- UserId string `json:"user_id"`
- BusinessId string `json:"business_id"`
- BalanceTypeId string `json:"balance_type"`
- Money float64 `json:"money"`
- Payer string `json:"payer"`
- Memo string `json:"memo"`
- PayType string `json:"pay_type"`
- }
-
- type PayToBusinessRes struct {
- Id string
- Sn string
- }
-
- const DES_KEY string = "paypayda"
-
- /**
- * 向商家支付
- * 请求及回均加密验签
- * 2021/02/18
- * GZ
- */
- func Pay(req PayToBusinessReq, url ...string) (*PayToBusinessRes, error) {
-
- var pay_rpc_url string = "127.0.0.1:7967"
- if len(url) > 0 && url[0] != "" {
- pay_rpc_url = url[0]
- }
- conn, _, err := DialSiteService("tcp", pay_rpc_url)
- if err != nil {
- return nil, err
- }
- defer conn.Close()
-
- data_json, err := json.Marshal(req)
- if err != nil {
- return nil, err
- }
- now_int64 := time.Now().Unix()
-
- encryData := crypter.DesEn(string(data_json), DES_KEY)
-
- now := strconv.FormatInt(now_int64, 10)
-
- sign := Sign(encryData, now)
-
- req := &PayRequest{proto.String(encryData), proto.String(now), proto.String(sign), nil}
-
- res := &PayResponse{}
-
- err = conn.PayToBusiness(req, res)
-
- if err != nil {
- return nil, err
- }
-
- res_data := res.GetData()
-
- if res_data != "" {
-
- time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
- if err != nil {
- return nil, err
- }
-
- now_int64 = time.Now().Unix()
-
- if now_int64-time_int64 > 10 || time_int64-now_int64 > 10 {
- //时间误差前后10秒,返回
- return nil, errors.New("返回时间错误")
- }
-
- check_sign := CheckSign(res.GetSign(), res_data, res.GetTime())
- if !check_sign {
- return nil, errors.New("返回数据签名错误")
- }
-
- //解密
- res_data_de := crypter.DesDe(res_data, DES_KEY)
-
- var res_arr PayToBusinessRes
-
- err = json.Unmarshal([]byte(res_data_de), &res_arr)
-
- if err != nil {
- return nil, err
- }
- return &res_arr, nil
- }
-
- return nil, nil
- }
-
- /**
- * 签名
- */
- func Sign(data string, salt string) string {
-
- var build strings.Builder
-
- build.WriteString(data)
- build.WriteString(salt)
- build.WriteString("pay66sign33")
-
- data_str := build.String()
-
- h := md5.New()
- h.Write([]byte(data_str)) // 需要加密的字符串
- return hex.EncodeToString(h.Sum(nil)) // 输出加密结果
-
- }
-
- /**
- * 验证签名
- */
- func CheckSign(sign_str, data, salt string) bool {
- sign := Sign(data, salt)
- if strings.Compare(sign_str, sign) > -1 {
- return true
- }
- return false
- }
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