package siterpc
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import (
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"encoding/json"
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"errors"
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"strconv"
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"time"
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"git.tetele.net/tgo/crypter"
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"github.com/golang/protobuf/proto"
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)
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/**
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* 由配置key取对应value
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* 请求及回均加密验签
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* 2021/01/20
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* GZ
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*/
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func GetConfigItem(site_id, dbname, key string, url ...string) (*SiteConfigItemRes, error) {
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ret, err := getconfig(site_id, dbname, key, url...)
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if err != nil {
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return ret, err
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}
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if ret.Exist == false {
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return ret, errors.New("no data")
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}
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return ret, err
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}
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func GetConfig(site_id, dbname, key string, url ...string) (*SiteConfigItemRes, error) {
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return getconfig(site_id, dbname, key, url...)
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}
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func getconfig(site_id, dbname, key string, url ...string) (*SiteConfigItemRes, error) {
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conn, err := rpc_server_conn(url...)
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if err != nil {
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return nil, err
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}
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defer conn.Close()
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arg := SiteConfigItemReqArg{site_id, dbname, key}
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data_json, err := json.Marshal(arg)
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if err != nil {
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return nil, err
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}
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now_int64 := time.Now().Unix()
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encryData := crypter.DesEn(string(data_json), "confdata")
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now := strconv.FormatInt(now_int64, 10)
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sign := Sign(encryData, now)
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req := &Request{proto.String(encryData), proto.String(now), proto.String(sign), nil}
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res := &Response{}
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err = conn.GetConfig(req, res)
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if err != nil {
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return nil, err
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}
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res_data := res.GetData()
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if res_data != "" {
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time_int64, err := strconv.ParseInt(res.GetTime(), 10, 64)
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if err != nil {
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return nil, err
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}
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now_int64 = time.Now().Unix()
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if now_int64-time_int64 > 10 || time_int64-now_int64 > 10 {
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//时间误差前后10秒,返回
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return nil, errors.New("返回时间错误")
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}
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check_sign := CheckSign(res.GetSign(), res_data, res.GetTime())
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if !check_sign {
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return nil, errors.New("返回数据签名错误")
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}
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//解密
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res_data_de := crypter.DesDe(res_data, "confdata")
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var res_arr SiteConfigItemRes
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err = json.Unmarshal([]byte(res_data_de), &res_arr)
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if err != nil {
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return nil, err
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}
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return &res_arr, nil
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}
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return nil, nil
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}
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