Files
baseapi/platformapi/ebaiapi/callback.go
2018-09-27 18:43:30 +08:00

93 lines
2.7 KiB
Go

package ebaiapi
import (
"errors"
"fmt"
"net/http"
"net/url"
"git.rosy.net.cn/baseapi"
"git.rosy.net.cn/baseapi/utils"
)
type CallbackResponse struct {
Cmd string `json:"cmd"`
Sign string `json:"sign"`
Source string `json:"source"`
Ticket string `json:"ticket"`
Timestamp int64 `json:"timestamp"`
Version int `json:"version"`
Body *ResponseResult `json:"body"`
}
type CallbackMsg struct {
Cmd string `json:"cmd"`
Timestamp int64 `json:"timestamp"`
Body map[string]interface{} `json:"body"`
}
func (a *API) Err2CallbackResponse(cmd string, err error, data interface{}) *CallbackResponse {
response := &CallbackResponse{
Cmd: cmd,
Source: a.source,
Ticket: utils.GetUpperUUID(),
Timestamp: utils.GetCurTimestamp(),
Version: 3,
}
if err == nil {
response.Body = &ResponseResult{
Error: "success",
ErrNo: 0,
Data: data,
}
} else {
response.Body = &ResponseResult{
Error: fmt.Sprintf("error:%v, data:%v", err, data),
ErrNo: -1,
Data: data,
}
}
params := url.Values{
"cmd": []string{"resp." + cmd},
"version": []string{utils.Int2Str(response.Version)},
"timestamp": []string{utils.Int64ToStr(response.Timestamp)},
"ticket": []string{response.Ticket},
"source": []string{response.Source},
"body": []string{string(utils.MustMarshal(response.Body))},
}
response.Sign = a.signParams(params)
return response
}
func (a *API) unmarshalData(cmd string, data []byte, msg interface{}) (callbackResponse *CallbackResponse) {
err := utils.UnmarshalUseNumber(data, msg)
if err != nil {
return a.Err2CallbackResponse(cmd, err, nil)
}
return nil
}
func (a *API) CheckCallbackValidation(request *http.Request) (callbackResponse *CallbackResponse) {
sign := a.signParams(request.PostForm)
if sign != request.FormValue(signKey) {
msg := fmt.Sprintf("Signature is not ok, mine:%v, get:%v", sign, request.FormValue(signKey))
baseapi.SugarLogger.Info(msg)
return a.Err2CallbackResponse(request.FormValue("cmd"), errors.New(msg), nil)
}
return nil
}
func (a *API) GetCallbackMsg(request *http.Request) (msg *CallbackMsg, callbackResponse *CallbackResponse) {
request.ParseForm()
if callbackResponse = a.CheckCallbackValidation(request); callbackResponse != nil {
return nil, callbackResponse
}
msg = new(CallbackMsg)
if callbackResponse = a.unmarshalData(request.FormValue("cmd"), []byte(request.FormValue("body")), &msg.Body); callbackResponse != nil {
return nil, callbackResponse
}
msg.Cmd = request.FormValue("cmd")
msg.Timestamp = utils.MustInterface2Int64(request.FormValue("timestamp"))
return msg, nil
}