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/*
@Author : yidun_dev
@Date : 2020-10-29
@File : livevideosolution_queryimage.go
@Version : 1.0
@Golang : 1.13.5
@Doc : http://dun.163.com/api.html
*/
package main
import (
"crypto/md5"
"encoding/hex"
"encoding/json"
"fmt"
simplejson "github.com/bitly/go-simplejson"
"github.com/tjfoc/gmsm/sm3"
"io/ioutil"
"math/rand"
"net/http"
"net/url"
"sort"
"strconv"
"strings"
"time"
)
const (
apiUrl = "http://as.dun.163yun.com/v1/livewallsolution/query/image"
version = "v1.0"
secretId = "your_secret_id" //产品密钥ID,产品标识
secretKey = "your_secret_key" //产品私有密钥,服务端生成签名信息使用,请严格保管,避免泄露
)
//请求易盾接口
func check(params url.Values) *simplejson.Json {
params["secretId"] = []string{secretId}
params["version"] = []string{version}
params["timestamp"] = []string{strconv.FormatInt(time.Now().UnixNano()/1000000, 10)}
params["nonce"] = []string{strconv.FormatInt(rand.New(rand.NewSource(time.Now().UnixNano())).Int63n(10000000000), 10)}
// params["signatureMethod"] = []string{"SM3"} // 签名方法支持国密SM3,默认MD5
params["signature"] = []string{genSignature(params)}
resp, err := http.Post(apiUrl, "application/x-www-form-urlencoded", strings.NewReader(params.Encode()))
if err != nil {
fmt.Println("调用API接口失败:", err)
return nil
}
defer resp.Body.Close()
contents, _ := ioutil.ReadAll(resp.Body)
result, _ := simplejson.NewJson(contents)
return result
}
//生成签名信息
func genSignature(params url.Values) string {
var paramStr string
keys := make([]string, 0, len(params))
for k := range params {
keys = append(keys, k)
}
sort.Strings(keys)
for _, key := range keys {
paramStr += key + params[key][0]
}
paramStr += secretKey
if params["signatureMethod"] != nil && params["signatureMethod"][0] == "SM3" {
sm3Reader := sm3.New()
sm3Reader.Write([]byte(paramStr))
return hex.EncodeToString(sm3Reader.Sum(nil))
} else {
md5Reader := md5.New()
md5Reader.Write([]byte(paramStr))
return hex.EncodeToString(md5Reader.Sum(nil))
}
}
func main() {
params := url.Values{
"taskId": []string{"c633a8cb6d45497c9f4e7bd6d8218443"},
"levels": []string{"[1,2]"},
"callbackStatus": []string{"1"},
"pageNum": []string{"1"},
"pageSize": []string{"10"},
}
ret := check(params)
code, _ := ret.Get("code").Int()
message, _ := ret.Get("msg").String()
if code == 200 {
result := ret.Get("result")
status, _ := result.Get("status").Int()
images := result.Get("images")
_, _ = images.Get("count").Int()
rows, _ := images.Get("rows").Array()
if status == 0 {
for _, row := range rows {
if rowMap, ok := row.(map[string]interface{}); ok {
_, _ = rowMap["url"].(string)
_, _ = rowMap["label"].(json.Number).Int64()
_, _ = rowMap["labelLevel"].(json.Number).Int64()
_, _ = rowMap["beginTime"].(json.Number).Int64()
_, _ = rowMap["endTime"].(json.Number).Int64()
}
}
fmt.Printf("live data query success, images: %s", rows)
} else if status == 20 {
fmt.Printf("taskId is expired")
} else if status == 30 {
fmt.Printf("taskId is not exist")
}
} else {
fmt.Printf("ERROR: code=%d, msg=%s", code, message)
}
}
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