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CNCEC_SUBQHSE_WUHUAN/SGGL/SgManager.AI/FaceClass.cs

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20210430
2021-04-30 10:28:37 +08:00
using AOP.Common.DataConversion;
using Baidu.Aip.Face;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
namespace SgManager.AI
{
public static class FaceClass
{
public static Baidu.Aip.Face.Face getFaceClant()
{
// 设置APPID/AK/SK
var APP_ID = System.Configuration.ConfigurationManager.AppSettings["APP_ID"].ToString();
var API_KEY = System.Configuration.ConfigurationManager.AppSettings["API_KEY"].ToString();
var SECRET_KEY = System.Configuration.ConfigurationManager.AppSettings["SECRET_KEY"].ToString();
var client = new Baidu.Aip.Face.Face(API_KEY, SECRET_KEY);
client.Timeout = 60000; // 修改超时时间
return client;
}
public static object SearchFileFace(String imagePath)
{
String strbaser64 = ConvertDataFormatAndImage.ImageToByte64String(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg); // 图片的base64编码
var imageType = "BASE64";
var groupIdList = "SNEC_0";
// 如果有可选参数
var options = new Dictionary<string, object>{
{"quality_control", "NORMAL"},
{"liveness_control", "NORMAL"},
{"max_user_num", 1}
};
// 带参数调用人脸搜索
object result = new object();
List<faceResult> frs = new List<faceResult>();
try
{
result = getFaceClant().Search(strbaser64, imageType, groupIdList, options);
if (result != null)
{
var data = JsonConvert.DeserializeObject<dynamic>(JsonConvert.SerializeObject(result));
String error_msg = data.error_msg;
String errorCode = data.error_code;
if (error_msg == "SUCCESS")
{
for (int i = 0; i < data.result.user_list.Count; i++)
{
faceResult fr = new faceResult();
fr.user_id = data.result.user_list[i].user_id;
fr.user_info = getUserName(fr.user_id);
fr.errMess = error_msg;
try
{
string score = data.result.user_list[i].score.ToString();
fr.score = double.Parse(score);
}
catch
{
fr.score = 0;
}
if (fr.score > 85)
frs.Add(fr);
}
}
else
{
faceResult fr = new faceResult();
fr.errMess = error_msg;
fr.errCode = errorCode;
frs.Add(fr);
}
}
}
catch (Exception ex)
{
faceResult fr = new faceResult();
fr.errMess = ex.ToString();
frs.Add(fr);
}
return frs;
}
public static object SearchFace(String url)
{
var image = url;
var imageType = "URL";
var groupIdList = "SNEC_0";
// 如果有可选参数
var options = new Dictionary<string, object>{
{"quality_control", "NORMAL"},
{"liveness_control", "LOW"},
{"max_user_num", 1}
};
// 带参数调用人脸搜索
object result = new object();
try
{
result = getFaceClant().Search(image, imageType, groupIdList, options);
}
catch (Exception ex)
{
return null;
}
List<faceResult> frs = new List<faceResult>();
if (result != null)
{
var data = JsonConvert.DeserializeObject<dynamic>(JsonConvert.SerializeObject(result));
String error_msg = data.error_msg;
if (error_msg == "SUCCESS")
{
for (int i = 0; i < data.result.user_list.Count; i++)
{
faceResult fr = new faceResult();
fr.user_id = data.result.user_list[i].user_id;
fr.user_info = getUserName(fr.user_id);
try
{
string score = data.result.user_list[i].score.ToString();
fr.score = double.Parse(score);
}
catch
{
fr.score = 0;
}
if (fr.score > 85)
{
frs.Add(fr);
break;
}
}
}
else return null;
}
return frs;
}
public static String getUserName(string id)
{
string userName = "未知用户";
switch (id)
{
case "A01844":
userName = "张腾云";
break;
case "A04979":
userName = "张延强";
break;
case "A05352":
userName = "王勇C";
break;
case "A06539":
userName = "崔璐峰";
break;
case "A04984":
userName = "杨新民";
break;
case "A05303":
userName = "李文娟";
break;
case "A04988":
userName = "马明";
break;
case "A06926":
userName = "王建峰";
break;
default:
userName = "未知用户";
break;
}
return userName;
}
// 在线活体检测
public static string FaceVerify(string imagePath)
{
string token = AccessToken.getAccessToken();
string host = "https://aip.baidubce.com/rest/2.0/face/v3/faceverify?access_token=" + token;
Encoding encoding = Encoding.Default;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
request.Method = "post";
request.KeepAlive = true;
String strbaser64 = ConvertDataFormatAndImage.ImageToByte64String(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg); // 图片的base64编码
String str = "[{\"image\":\"" + strbaser64 + "\",\"image_type\":\"BASE64\",\"face_field\":\"quality,human\"}]";
byte[] buffer = encoding.GetBytes(str);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
string result = reader.ReadToEnd();
//Console.WriteLine("在线活体检测:");
Console.WriteLine(result);
return result;
}
// 人脸注册
public static string add(string user_id, string user_card, string imgUrl, string token)
{
bool first = true;
if (string.IsNullOrEmpty(token))
{
token = AccessToken.getAccessToken();
first = false;
}
string host = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/user/add?access_token=" + token;
Encoding encoding = Encoding.Default;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
request.Method = "post";
request.KeepAlive = true;
String str = "{\"image\":\"" + imgUrl + "\",\"image_type\":\"URL\",\"group_id\":\"SNEC_0\",\"user_id\":\"" + user_card + "\",\"user_info\":\"" + user_id + "\",\"quality_control\":\"LOW\",\"liveness_control\":\"NORMAL\"}";
byte[] buffer = encoding.GetBytes(str);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
string result = reader.ReadToEnd();
//Console.WriteLine("人脸注册:");
//Console.WriteLine(result);
var res = JsonConvert.DeserializeObject<dynamic>(result);
if (result.Contains("Access token invalid or no longer valid") && first)
{
token = null;
add(user_id, user_card, imgUrl, token);
}
if (result.Contains("face is already exist"))
result = update(user_id, user_card, imgUrl, token);
if (res.error_code == "0")
{
}
return result;
}
// 人脸更新
public static string update(string user_id, string user_card, string imgUrl, string token)
{
if (string.IsNullOrEmpty(token))
token = AccessToken.getAccessToken();
string host = "https://aip.baidubce.com/rest/2.0/face/v3/faceset/user/update?access_token=" + token;
Encoding encoding = Encoding.Default;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
request.Method = "post";
request.KeepAlive = true;
String str = "{\"image\":\"" + imgUrl + "\",\"image_type\":\"URL\",\"group_id\":\"SNEC_0\",\"user_id\":\"" + user_card + "\",\"user_info\":\"" + user_id + "\",\"quality_control\":\"LOW\",\"liveness_control\":\"NORMAL\"}";
byte[] buffer = encoding.GetBytes(str);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
string result = reader.ReadToEnd();
if (result.Contains("user is not exist"))
result = add(user_id, user_card, imgUrl, token);
return result;
}
}
public static class AccessToken
{
// 调用getAccessToken()获取的 access_token建议根据expires_in 时间 设置缓存
// 返回token示例
public static String TOKEN = "24.adda70c11b9786206253ddb70affdc46.2592000.1493524354.282335-1234567";
// 百度云中开通对应服务应用的 API Key 建议开通应用的时候多选服务
private static String clientId = "百度云应用的AK";
// 百度云中开通对应服务应用的 Secret Key
private static String clientSecret = "百度云应用的SK";
public static String getAccessToken()
{
String authHost = "https://aip.baidubce.com/oauth/2.0/token";
HttpClient client = new HttpClient();
List<KeyValuePair<String, String>> paraList = new List<KeyValuePair<string, string>>();
paraList.Add(new KeyValuePair<string, string>("grant_type", "client_credentials"));
paraList.Add(new KeyValuePair<string, string>("client_id", System.Configuration.ConfigurationManager.AppSettings["API_KEY"].ToString()));
paraList.Add(new KeyValuePair<string, string>("client_secret", System.Configuration.ConfigurationManager.AppSettings["SECRET_KEY"].ToString()));
HttpResponseMessage response = client.PostAsync(authHost, new FormUrlEncodedContent(paraList)).Result;
String result = response.Content.ReadAsStringAsync().Result;
var to = JsonConvert.DeserializeObject<dynamic>(result);
Console.WriteLine(result);
return to.access_token;
}
}
}