接入萤石摄像头后端

pkg/ys/ys.go

@@ -0,0 +1,94 @@
+package ys
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"time"
+)
+
+const (
+	//[用户]获取accessToken
+	ACCESSTOKEN = "https://open.ys7.com/api/lapp/token/get"
+)
+
+type Ys struct {
+	AppKey      string
+	Secret      string
+	AccessToken string
+	ExpireTime  int64
+}
+
+func (ys *Ys) GetAccessToken() error {
+	params := make(map[string]interface{})
+	params["appKey"] = ys.AppKey
+	params["appSecret"] = ys.Secret
+	ac := &AccessToken{}
+	_, err := ys.requset("POST", ACCESSTOKEN, params, &ac)
+	if err != nil {
+		return err
+	}
+	ys.AccessToken = ac.AccessToken
+	ys.ExpireTime = ac.ExpireTime
+	return nil
+}
+
+func (ys *Ys) requset(method, url string, params map[string]interface{}, data interface{}) (status *Status, err error) {
+	defer func() {
+		if Rerr := recover(); Rerr != nil {
+			err = errors.New("recover error")
+			return
+		}
+	}()
+	var r http.Request
+	r.ParseForm()
+	for k, v := range params {
+		r.Form.Add(k, fmt.Sprint(v))
+	}
+	req, err := http.NewRequest(method, url, strings.NewReader(r.Form.Encode()))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	client := &http.Client{Timeout: 60 * time.Second}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	buf, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var res = Status{
+		Data: data,
+	}
+	err = json.Unmarshal(buf, &res)
+	if err != nil {
+		return nil, err
+	}
+	if res.Code != "200" {
+		return status, errors.New(res.Msg)
+	}
+	return status, nil
+}
+
+func (ys *Ys) authorizeRequset(method, url string, params map[string]interface{}, data interface{}) (status *Status, err error) {
+	exTime := time.Unix(ys.ExpireTime/1000, 0)
+	if exTime.Unix() < time.Now().Unix() || ys.AccessToken == "" {
+		ys.GetAccessToken()
+	}
+	defer func() {
+		if Rerr := recover(); Rerr != nil {
+			err = errors.New("recover error")
+			return
+		}
+	}()
+	params["accessToken"] = ys.AccessToken
+	status, err = ys.requset(method, url, params, data)
+	return
+}