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Yangtao
196
pkg/client/netease/live_person.go
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196
pkg/client/netease/live_person.go
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package Netease
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import (
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"context"
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"crypto/md5"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"math/rand"
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"net/http"
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"net/url"
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"servicebase/pkg/log"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/pkg/errors"
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"github.com/spf13/viper"
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"github.com/tjfoc/gmsm/sm3"
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)
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const (
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apiURL = "https://verify.dun.163.com/v1/face/liveness/h5/auth"
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recheckTokenUrl = "https://verify.dun.163.com/v1/face/liveness/h5/recheck"
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version = "v1"
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)
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type ApplyInfoReq struct {
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Name string
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CardNo string
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RedirectUrl string
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CallBackUrl string
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DataId string
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CallbackValidate string
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EncryptType string
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}
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type BaseRsp[T any] struct {
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Code int `json:"code"`
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Msg string `json:"msg"`
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Result T `json:"result"`
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}
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type H5ApplyLivePersonRsp struct {
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AuthUrl string `json:"authUrl"`
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AuthToken string `json:"authToken"`
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}
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type H5ReCheckLivePersonTokenRsp struct {
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TaskId string `json:"taskId"`
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PicType int64 `json:"picType"`
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Avatar string `json:"avatar"`
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Status int64 `json:"status"`
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ReasonType int `json:"reasonType"`
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IsPayed int64 `json:"isPayed"`
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SimilarityScore float64 `json:"similarityScore"`
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FaceMatched int64 `json:"faceMatched"`
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FaceAttributeInfo interface{} `json:"faceAttributeInfo"`
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ExtInfo ExtInfoEntity `json:"extInfo"`
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}
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type ExtInfoEntity struct {
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SuspectedNonageFlag bool `json:"suspectedNonageFlag"`
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}
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// H5ApplyLivePerson 请求易盾生成h5人身验证h5 url 和 authToken
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func H5ApplyLivePerson(ctx context.Context, req *ApplyInfoReq) (*H5ApplyLivePersonRsp, error) {
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params := url.Values{
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"name": []string{req.Name},
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"cardNo": []string{req.CardNo},
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"redirectUrl": []string{req.RedirectUrl},
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}
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rsp, err := apply(params)
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if err != nil {
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return nil, err
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}
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return rsp, nil
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}
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// H5ReCheckLivePersonToken 根据authToken二次验证，并获取相关信息，如正面拍照的活体图片
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func H5ReCheckLivePersonToken(ctx context.Context, token string) (*H5ReCheckLivePersonTokenRsp, error) {
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params := url.Values{
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"authToken": []string{token},
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}
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rsp, err := checkToken(params)
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if err != nil {
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return nil, err
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}
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return rsp, nil
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}
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// 生成签名信息
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func genSignature(params url.Values) string {
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var paramStr string
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keys := make([]string, 0, len(params))
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for k := range params {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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for _, key := range keys {
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paramStr += key + params[key][0]
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}
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paramStr += viper.GetString("netease.captcha.secretKey")
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if params["signatureMethod"] != nil && params["signatureMethod"][0] == "SM3" {
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sm3Reader := sm3.New()
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sm3Reader.Write([]byte(paramStr))
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return hex.EncodeToString(sm3Reader.Sum(nil))
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}
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md5Reader := md5.New()
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md5Reader.Write([]byte(paramStr))
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return hex.EncodeToString(md5Reader.Sum(nil))
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}
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// 请求易盾接口
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func apply(params url.Values) (*H5ApplyLivePersonRsp, error) {
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params["secretId"] = []string{viper.GetString("netease.captcha.secretId")}
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params["businessId"] = []string{viper.GetString("netease.captcha.businessId")}
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params["version"] = []string{version}
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params["timestamp"] = []string{strconv.FormatInt(time.Now().UnixNano()/1000000, 10)}
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params["nonce"] = []string{strconv.FormatInt(rand.New(rand.NewSource(time.Now().UnixNano())).Int63n(10000000000), 10)}
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params["signature"] = []string{genSignature(params)}
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resp, err := http.Post(apiURL, "application/x-www-form-urlencoded", strings.NewReader(params.Encode()))
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if err != nil {
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return nil, errors.WithStack(err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, errors.Errorf("请求网易易盾获取h5人身验证失败，状态码为%d", resp.StatusCode)
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}
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defer resp.Body.Close()
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contents, _ := io.ReadAll(resp.Body)
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log.InfoF("请求网易易盾获取h5人身验证响应: %s", string(contents))
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var rsp BaseRsp[*H5ApplyLivePersonRsp]
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err = json.Unmarshal(contents, &rsp)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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if rsp.Code != 200 {
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return nil, errors.Errorf("响应体状态码不是200(%d)，信息: %s", rsp.Code, rsp.Msg)
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}
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return rsp.Result, nil
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}
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func checkToken(params url.Values) (*H5ReCheckLivePersonTokenRsp, error) {
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params["secretId"] = []string{viper.GetString("netease.captcha.secretId")}
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params["businessId"] = []string{viper.GetString("netease.captcha.businessId")}
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params["version"] = []string{version}
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params["timestamp"] = []string{strconv.FormatInt(time.Now().UnixNano()/1000000, 10)}
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params["nonce"] = []string{strconv.FormatInt(rand.New(rand.NewSource(time.Now().UnixNano())).Int63n(10000000000), 10)}
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params["signature"] = []string{genSignature(params)}
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resp, err := http.Post(recheckTokenUrl, "application/x-www-form-urlencoded", strings.NewReader(params.Encode()))
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if err != nil {
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return nil, errors.WithStack(err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, errors.Errorf("请求网易易盾获取h5人身验证失败，状态码为%d", resp.StatusCode)
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}
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defer resp.Body.Close()
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contents, _ := io.ReadAll(resp.Body)
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log.InfoF("请求网易云盾获取人身核验二次验证token响应: %s", string(contents))
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var rsp BaseRsp[*H5ReCheckLivePersonTokenRsp]
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err = json.Unmarshal(contents, &rsp)
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if err != nil {
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return nil, errors.WithStack(err)
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}
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if rsp.Code != 200 {
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return nil, errors.Errorf("响应体状态码不是200(%d)，信息: %s", rsp.Code, rsp.Msg)
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}
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return rsp.Result, nil
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}
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var livePersonAndIdCheckFailReason = map[int]string{
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2: "活体通过，姓名身份证号一致，人脸比对非同一人",
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3: "活体通过，姓名身份证号不一致",
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4: "活体不通过",
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5: "活体检测超时或出现异常",
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6: "活体通过，查无此身份证",
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7: "活体通过，库中无此身份证照片",
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8: "活体通过，人脸照过大",
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9: "活体通过，权威数据源出现异常",
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10: "疑似攻击，建议拦截",
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11: "检测对象为未成年人",
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}
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func GetLivePersonAndIdCheckFailReason(code int) string {
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r, ok := livePersonAndIdCheckFailReason[code]
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if !ok {
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return fmt.Sprintf("其他原因：ReasonType==%d", code)
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}
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return r
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}
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