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