264 lines
7.2 KiB
Go
264 lines
7.2 KiB
Go
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package isc
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha256"
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"crypto/tls"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/rand"
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"net/http"
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"strconv"
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"strings"
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"time"
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)
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var AppKey = "22422818" //海康平台的key
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var AppSecret = "smyUkLf2Rd9VOkLV9Ndv"
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//var AppKey = "22422818" //海康平台的key
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//var AppSecret = "smyUkLf2Rd9VOkLV9Ndv"
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var Protocol = "https://"
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var HOST = "192.168.1.153"
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var PORT = "2443"
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var reqError = "2003"
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var reqErrorMsg = "请求失败"
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var Ok = "0"
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var Method = "POST"
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func GetStatusList() {
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config := map[string]interface{}{}
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config["includeSubNode"] = 1
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config["pageNo"] = 1
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config["pageSize"] = 1000
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config["regionId"] = "root000000"
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//config["indexCodes"] = []string{"7cbd5a4c2dab46579b09c297cf649721", "7ec4f9689dc1466d813c801a5a0686b2"}
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t := CameraStatus{Code: reqError, Msg: reqErrorMsg}
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//content, _ := request("/api/nms/v1/online/camera/get", config)
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content, _ := request("/api/nms/v1/online/camera/get", config)
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fmt.Println("获取设备状态")
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_ = json.Unmarshal([]byte(content), &t)
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for _, v := range t.Data.List {
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if ca, ok := DbCameraMap[v.IndexCode]; ok {
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ca.Status = v.Online
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DbCameraMap[v.IndexCode] = ca
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}
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//fmt.Println("v.Cn", v.Cn)
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//fmt.Println("v.Online", v.Online)
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//fmt.Println("v.DeviceIndexCode", v.DeviceIndexCode)
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//fmt.Println("v.IndexCode", v.IndexCode)
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//fmt.Println("v.CollectTime", v.CollectTime)
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//fmt.Println("************************")
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}
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}
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/*抓图接口*/
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func ManualCapture(cameraIndexCode string) CameraCap {
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config := map[string]interface{}{}
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config["cameraIndexCode"] = cameraIndexCode
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t := CameraCap{Code: reqError, Msg: reqErrorMsg}
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content, _ := request("/api/video/v1/manualCapture", config)
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_ = json.Unmarshal([]byte(content), &t)
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return t
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}
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/*
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云台控制
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action number 0-开始 ，1-停止
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注：GOTO_PRESET命令下填任意值均可转到预置点,建议填0即可
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command string 不区分大小写
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说明：
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LEFT 左转
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RIGHT右转
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UP 上转
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DOWN 下转
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ZOOM_IN 焦距变大
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ZOOM_OUT 焦距变小
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LEFT_UP 左上
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LEFT_DOWN 左下
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RIGHT_UP 右上
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RIGHT_DOWN 右下
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FOCUS_NEAR 焦点前移
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FOCUS_FAR 焦点后移
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IRIS_ENLARGE 光圈扩大
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IRIS_REDUCE 光圈缩小
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WIPER_SWITCH 接通雨刷开关
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START_RECORD_TRACK 开始记录轨迹
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STOP_RECORD_TRACK 停止记录轨迹
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START_TRACK 开始轨迹
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STOP_TRACK 停止轨迹；
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以下命令presetIndex不可为空：
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GOTO_PRESET到预置点
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*/
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func CtrlPtz(cameraIndexCode string, action int, command string) Usual {
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config := map[string]interface{}{}
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config["cameraIndexCode"] = cameraIndexCode
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config["action"] = action
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config["command"] = command
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config["speed"] = 50 //默认速度为50
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t := Usual{Code: reqError, Msg: reqErrorMsg}
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content, _ := request("/api/video/v1/ptzs/controlling", config)
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_ = json.Unmarshal([]byte(content), &t)
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return t
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}
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/*获取对讲地址*/
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func GettalkURLs(cameraIndexCode string) CameraTalk {
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config := map[string]interface{}{}
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config["cameraIndexCode"] = cameraIndexCode
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config["protocol"] = "ws"
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t := CameraTalk{Code: reqError, Msg: reqErrorMsg}
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content, _ := request("/api/video/v1/cameras/talkURLs", config)
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_ = json.Unmarshal([]byte(content), &t)
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return t
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}
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/*获取预览地址 ws协议*/
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func GetpreviewURLs(cameraIndexCode string) CameraPreview {
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config := map[string]interface{}{}
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config["cameraIndexCode"] = cameraIndexCode
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config["protocol"] = "ws"
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t := CameraPreview{Code: reqError, Msg: reqErrorMsg}
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content, _ := request("/api/video/v1/cameras/previewURLs", config)
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//fmt.Println(api)
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//content, _ := request(api, config)
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fmt.Println(content)
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_ = json.Unmarshal([]byte(content), &t)
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return t
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}
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/*获取监控点列表*/
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func GetCameraList(pageNo, pageSize int) {
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fmt.Println("开始获取第一页数据")
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config := map[string]interface{}{}
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config["pageNo"] = pageNo
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config["pageSize"] = pageSize
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t := CameraData{Code: reqError, Msg: reqErrorMsg}
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content, err := request("/api/resource/v1/cameras", config)
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if err != nil {
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return
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}
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fmt.Println("数据完成")
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fmt.Println(content)
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err = json.Unmarshal([]byte(content), &t)
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if err != nil {
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fmt.Println("数据反序列化失败")
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fmt.Println(err)
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return
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}
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if t.Code == Ok {
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fmt.Println("监控点总数", t.Data.Total)
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fmt.Println("页码", t.Data.PageNo)
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fmt.Println("当前页数量", t.Data.PageSize)
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//fmt.Println(t.Data.List)
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for _, v := range t.Data.List {
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fmt.Println(v.CameraIndexCode, v.Name, v.Status)
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//if v.Status == 1 {
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// ca = v
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//}
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}
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} else {
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fmt.Println("数据获取失败")
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fmt.Println(t)
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}
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}
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// 请求
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func request(url string, body map[string]interface{}) (string, error) {
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configData, _ := json.Marshal(body)
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param := bytes.NewBuffer(configData)
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
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}
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client := &http.Client{Transport: tr}
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url = "/artemis" + url
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headers, _ := getSignature(url, Method)
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url = Protocol + HOST + ":" + PORT + url
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fmt.Println(url)
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// 2. 创建请求实例
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req, err := http.NewRequest(Method, url, param)
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if err != nil {
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panic(err)
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}
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//header
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for i := 0; i < len(headers); i++ {
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//fmt.Println(headers[i].Key, headers[i].Val)
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req.Header.Add(headers[i].Key, headers[i].Val)
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}
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//发送请求
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res, err := client.Do(req)
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if err != nil {
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return "", err
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}
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defer res.Body.Close()
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content, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return "", err
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}
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return string(content), nil
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}
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func getSignature(url, method string) ([]Header, string) {
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var now = time.Now()
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var headers = []Header{
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{Key: "Accept", Val: "*/*"},
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{Key: "Content-Type", Val: "application/json"},
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{Key: "Date", Val: now.Format("2006-01-02 15:04:05")},
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{Key: "x-ca-key", Val: AppKey, Use: true},
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{Key: "x-ca-nonce", Val: RandAllString(32), Use: true},
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{Key: "x-ca-timestamp", Val: strconv.Itoa(int(now.UnixNano() / 1e6)), Use: true},
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}
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var arr = append(headers, Header{Key: "url", Val: url})
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var arr2 = append([]Header{{Val: method, Key: "method"}}, arr...)
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var str []string
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for i := 0; i < len(arr2); i++ {
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if arr2[i].Use {
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str = append(str, arr2[i].Key+":"+arr2[i].Val)
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} else {
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str = append(str, arr2[i].Val)
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}
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}
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sign := ComputeHmac256(strings.Join(str, "\n"), AppSecret)
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headers = append(headers, Header{Key: "x-ca-signature-headers", Val: "x-ca-key,x-ca-nonce,x-ca-timestamp"}, Header{Key: "x-ca-signature", Val: sign})
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return headers, sign
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}
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func ComputeHmac256(message string, secret string) string {
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key := []byte(secret)
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h := hmac.New(sha256.New, key)
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h.Write([]byte(message))
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return base64.StdEncoding.EncodeToString(h.Sum(nil))
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}
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type Header struct {
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Key string `json:"key"`
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Val string `json:"val"`
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Use bool `json:"use"`
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}
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/*
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RandAllString 生成随机字符串([a~zA~Z0~9])
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lenNum 长度
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*/
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func RandAllString(lenNum int) string {
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var CHARS = []string{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
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"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
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"1", "2", "3", "4", "5", "6", "7", "8", "9", "0"}
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str := strings.Builder{}
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length := len(CHARS)
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for i := 0; i < lenNum; i++ {
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l := CHARS[rand.Intn(length)]
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str.WriteString(l)
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}
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return str.String()
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}
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