public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/json";
var result = new ApiResult();
/*var macIsInDatabase = false;
* foreach (var nic in NetworkInterface.GetAllNetworkInterfaces())
* {
* if (nic.OperationalStatus == OperationalStatus.Up)
* {
* var mac = nic.GetPhysicalAddress().ToString().Replace("-", "").ToUpper();
* foreach (DataRow row in Global.GetClientMacs().Rows)
* {
* if (mac.Equals(row.ItemArray[0]))
* {
* macIsInDatabase = true;
* break;
* }
* }
*
* if (macIsInDatabase)
* {
* break;
* }
* }
* }
*
* if (macIsInDatabase == false)
* {
* result.code = 0x03;
* result.message = "非法请求";
*
* context.Response.Write(JsonConvert.SerializeObject(result));
*
* return;
* }*/
if (context.Request.HttpMethod != "POST")
{
result.code = 0x01;
result.message = "需要使用POST请求";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 没有图片的请求
if (string.IsNullOrEmpty(context.Request.Form["facesImage"]))
{
result.code = 0x02;
result.message = "参数错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 人脸检测引擎初始化
pMemDetect = Marshal.AllocHGlobal(detectSize);
detectInitCode = ArcSoft.AFD_FSDK_InitialFaceEngine(appId, sdkFDKey, pMemDetect, detectSize,
ref detectEngine,
(int)ArcSoft.AFD_FSDK_OrientPriority.AFD_FSDK_OPF_0_HIGHER_EXT, nScale, nMaxFaceNum);
if (detectInitCode != 0)
{
// 检测引擎初始化错误
result.code = 0x211;
result.message = "服务器错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 人脸识别引擎初始化
pMemRecognition = Marshal.AllocHGlobal(detectSize);
recognitionInitCode =
ArcSoft.AFR_FSDK_InitialEngine(appId, sdkFRKey, pMemRecognition, detectSize, ref recognitionEngion);
if (recognitionInitCode != 0)
{
// 识别引擎初始化错误
result.code = 0x212;
result.message = "服务器错误";
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// base64编码的图片
var base64 = context.Request.Form["facesImage"];
// 检测人脸
Bitmap faceImage = null;
byte[] faceImageBytes;
int width = 0, height = 0, pitch = 0;
faceImageBytes = Global.ProcessBase64(base64, ref faceImage, ref width, ref height, ref pitch);
// 创建图片指针，并复制图片信息
var imageDataPtr = Marshal.AllocHGlobal(faceImageBytes.Length);
Marshal.Copy(faceImageBytes, 0, imageDataPtr, faceImageBytes.Length);
// 创建图片其他信息指针，并设置内容
var offInput = new ArcSoft.ASVLOFFSCREEN
{
u32PixelArrayFormat = 513,
ppu8Plane = new IntPtr[4],
i32Width = width,
i32Height = height,
pi32Pitch = new int[4]
};
offInput.ppu8Plane[0] = imageDataPtr;
offInput.pi32Pitch[0] = pitch;
var offInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(offInput));
Marshal.StructureToPtr(offInput, offInputPtr, false);
// 检测结果对象指针
var faceRes = new ArcSoft.AFD_FSDK_FACERES();
var faceResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceRes));
// 进行检测
int detectResult;
try
{
detectResult = ArcSoft.AFD_FSDK_StillImageFaceDetection(detectEngine, offInputPtr, ref faceResPtr);
}
catch (AccessViolationException e)
{
result.code = -1;
result.message = e.Message;
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
return;
}
// 从指针转化为对象
faceRes = (ArcSoft.AFD_FSDK_FACERES)Marshal.PtrToStructure(faceResPtr, typeof(ArcSoft.AFD_FSDK_FACERES));
if (detectResult == 0)
{
if (faceRes.nFace == 0)
{
result.code = 0x11;
result.message = "没有检测到人脸";
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
}
else if (faceRes.nFace > 1)
{
result.code = 0x12;
result.message = "检测到多个人脸";
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
}
else
{
result.code = 0x0;
result.message = "成功";
// 识别模型对象和指针
var modelRes = new ArcSoft.AFR_FSDK_FaceModel();
var modelResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(modelRes));
// 输入的人脸信息
var faceInput = new ArcSoft.AFR_FSDK_FaceInput();
// 人脸角度
faceInput.lOrient = (int)Marshal.PtrToStructure(faceRes.lfaceOrient, typeof(int));
// 人脸矩形框
faceInput.rcFace = (ArcSoft.MRECT)Marshal.PtrToStructure(faceRes.rcFace, typeof(ArcSoft.MRECT));
// 输入人脸信息指针
var faceInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceInput));
Marshal.StructureToPtr(faceInput, faceInputPtr, false);
// 进行识别
var recognitionResult =
ArcSoft.AFR_FSDK_ExtractFRFeature(recognitionEngion, offInputPtr, faceInputPtr,
modelResPtr);
// 从指针转化为对象
modelRes = (ArcSoft.AFR_FSDK_FaceModel)Marshal.PtrToStructure(modelResPtr,
typeof(ArcSoft.AFR_FSDK_FaceModel));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
Marshal.FreeHGlobal(faceInputPtr);
Marshal.FreeHGlobal(modelResPtr);
if (recognitionResult == 0)
{
// 获取人脸特征
var featureContent = new byte[modelRes.lFeatureSize];
Marshal.Copy(modelRes.pbFeature, featureContent, 0, modelRes.lFeatureSize);
var similarity = 0f;
var returnStruct = new ReturnStruct();
var compareRes = Compare(featureContent, ref similarity, ref returnStruct);
// 存在匹配的人脸
if (compareRes == 0)
{
result.message = "成功";
result.data = returnStruct;
context.Session["uid"] = returnStruct.userId;
}
// 不存在匹配的人脸
else if (compareRes == -1)
{
result.data = -1;
}
// 函数错误
else
{
result.code = 0x24;
result.message = "系统错误";
result.data = compareRes;
}
context.Response.Write(JsonConvert.SerializeObject(result));
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
}
else
{
result.code = 0x23;
result.message = "服务器错误";
result.data = recognitionResult;
context.Response.Write(JsonConvert.SerializeObject(result));
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
}
}
}
else
{
result.code = 0x22;
result.message = "服务器错误";
result.data = detectResult;
context.Response.Write(JsonConvert.SerializeObject(result));
// 销毁检测引擎
ArcSoft.AFD_FSDK_UninitialFaceEngine(detectEngine);
// 销毁识别引擎
ArcSoft.AFR_FSDK_UninitialEngine(recognitionEngion);
}
}
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/json";
var result = new ApiResult();
if (context.Request.HttpMethod != "POST")
{
result.code = 0x01;
result.message = "需要使用POST请求";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 邀请码
var code = context.Request.Form["code"];
var registerBy = 0;
// 姓名
var name = context.Request.Form["name"];
// 手机
var phone = context.Request.Form["phone"];
// base64
var base64 = context.Request.Form["facesImage"];
//
var privilege = context.Request.Form["privilege"];
var validDaysForm = context.Request.Form["validDays"];
var validDays = 0;
if (validDaysForm != null)
{
validDays = int.Parse(validDaysForm);
}
var allowRegister = context.Request.Form["allowRegister"];
// 邀请码为空，检查Session
if (code == null)
{
// 没有oid，已经注册了自己的人脸信息
if (context.Session["oid"] == null)
{
if (name == null)
{
result.code = 0x02;
result.message = "权限不足，或已经注册";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
else
{
// 任意必须参数为空
if (privilege == null || allowRegister == null)
{
result.code = 0x03;
result.message = "参数错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
}
}
}
// 检查邀请码是否存在
else
{
var sql =
"select code, startTime, userId from codes where code = ?c and unix_timestamp(startTime) + 15 * 60 > unix_timestamp(now());";
var ds = MySQLHelper.ExecuteDataSet(sql, new MySqlParameter("?c", code));
if (ds.Tables[0].Rows.Count == 0)
{
result.code = 0x04;
result.message = "邀请码不存在";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
registerBy = int.Parse(ds.Tables[0].Rows[0].ItemArray[2].ToString());
}
// 没有图片
if (string.IsNullOrEmpty(base64) ||
// 邀请码注册，但没有姓名
!string.IsNullOrEmpty(code) && string.IsNullOrEmpty(name))
{
result.code = 0x03;
result.message = "参数错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 人脸检测引擎初始化
pMemDetect = Marshal.AllocHGlobal(detectSize);
detectInitCode = ArcSoft.AFD_FSDK_InitialFaceEngine(appId, sdkFDKey, pMemDetect, detectSize,
ref detectEngine,
(int)ArcSoft.AFD_FSDK_OrientPriority.AFD_FSDK_OPF_0_HIGHER_EXT, nScale, nMaxFaceNum);
if (detectInitCode != 0)
{
// 检测引擎初始化错误
result.code = 0x211;
result.message = "服务器错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 人脸识别引擎初始化
pMemRecognition = Marshal.AllocHGlobal(detectSize);
recognitionInitCode =
ArcSoft.AFR_FSDK_InitialEngine(appId, sdkFRKey, pMemRecognition, detectSize, ref recognitionEngion);
if (recognitionInitCode != 0)
{
// 识别引擎初始化错误
result.code = 0x212;
result.message = "服务器错误";
context.Response.Write(JsonConvert.SerializeObject(result));
return;
}
// 检测人脸
Bitmap faceImage = null;
byte[] faceImageBytes;
int width = 0, height = 0, pitch = 0;
faceImageBytes = Global.ProcessBase64(base64, ref faceImage, ref width, ref height, ref pitch);
// 创建图片指针，并复制图片信息
var imageDataPtr = Marshal.AllocHGlobal(faceImageBytes.Length);
Marshal.Copy(faceImageBytes, 0, imageDataPtr, faceImageBytes.Length);
// 创建图片其他信息指针，并设置内容
var offInput = new ArcSoft.ASVLOFFSCREEN
{
u32PixelArrayFormat = 513,
ppu8Plane = new IntPtr[4],
i32Width = width,
i32Height = height,
pi32Pitch = new int[4]
};
offInput.pi32Pitch[0] = pitch;
offInput.ppu8Plane[0] = imageDataPtr;
var offInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(offInput));
Marshal.StructureToPtr(offInput, offInputPtr, false);
// 检测结果对象指针
var faceRes = new ArcSoft.AFD_FSDK_FACERES();
var faceResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceRes));
Marshal.StructureToPtr(faceRes, faceResPtr, false);
// 进行检测
int detectResult;
try
{
detectResult = ArcSoft.AFD_FSDK_StillImageFaceDetection(detectEngine, offInputPtr, ref faceResPtr);
}
catch (Exception e)
{
result.code = -1;
result.message = e.Message;
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
return;
}
// 从指针转化为对象
faceRes = (ArcSoft.AFD_FSDK_FACERES)Marshal.PtrToStructure(faceResPtr, typeof(ArcSoft.AFD_FSDK_FACERES));
if (detectResult == 0)
{
if (faceRes.nFace == 0)
{
result.code = 0x11;
result.message = "没有检测到人脸";
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
}
else if (faceRes.nFace > 1)
{
result.code = 0x12;
result.message = "检测到多个人脸";
context.Response.Write(JsonConvert.SerializeObject(result));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
//Marshal.FreeHGlobal(faceResPtr);
}
else
{
result.code = 0x0;
result.message = "成功";
// 识别模型对象和指针
var modelRes = new ArcSoft.AFR_FSDK_FaceModel();
var modelResPtr = Marshal.AllocHGlobal(Marshal.SizeOf(modelRes));
// 输入的人脸信息
var faceInput = new ArcSoft.AFR_FSDK_FaceInput();
// 人脸角度
faceInput.lOrient = (int)Marshal.PtrToStructure(faceRes.lfaceOrient, typeof(int));
// 人脸矩形框
faceInput.rcFace = (ArcSoft.MRECT)Marshal.PtrToStructure(faceRes.rcFace, typeof(ArcSoft.MRECT));
// 输入人脸信息指针
var faceInputPtr = Marshal.AllocHGlobal(Marshal.SizeOf(faceInput));
Marshal.StructureToPtr(faceInput, faceInputPtr, false);
// 进行识别
var recognitionResult =
ArcSoft.AFR_FSDK_ExtractFRFeature(recognitionEngion, offInputPtr, faceInputPtr,
modelResPtr);
// 从指针转化为对象
modelRes = (ArcSoft.AFR_FSDK_FaceModel)Marshal.PtrToStructure(modelResPtr,
typeof(ArcSoft.AFR_FSDK_FaceModel));
Marshal.FreeHGlobal(imageDataPtr);
Marshal.FreeHGlobal(offInputPtr);
////Marshal.FreeHGlobal(faceResPtr);
Marshal.FreeHGlobal(faceInputPtr);
Marshal.FreeHGlobal(modelResPtr);
if (recognitionResult == 0)
{
var featureContent = new byte[modelRes.lFeatureSize];
Marshal.Copy(modelRes.pbFeature, featureContent, 0, modelRes.lFeatureSize);
var rect = (ArcSoft.MRECT)Marshal.PtrToStructure(faceRes.rcFace, typeof(ArcSoft.MRECT));
var cutedImage = Global.CutImage(faceImage, rect.left, rect.top, rect.bottom - rect.top,
rect.right - rect.left);
var cutedBase64 = Global.GetBase64FromImage(cutedImage, true);
// 没有验证码，当前登录用户注册人脸或添加新用户
if (code == null)
{
// 当前登录用户注册
if (name == null)
{
// 保存到数据库失败
if (SaveFace(featureContent, cutedBase64, context.Session["oid"].ToString()) ==
false)
{
result.code = 0x24;
result.message = "保存失败";
}
else
{
// 注册后，自动重新登录
var sql = "select last_insert_id();";
var ds = MySQLHelper.ExecuteDataSet(sql);
var id = int.Parse(ds.Tables[0].Rows[0].ItemArray[0].ToString());
context.Session["uid"] = id;
context.Session["oid"] = null;
}
}
// 添加新用户
else
{
if (SaveFace(featureContent, name, int.Parse(privilege), validDays,
int.Parse(allowRegister), phone, cutedBase64,
context.Session["uid"].ToString()) ==
false)
{
result.code = 0x24;
result.message = "保存失败";
}
}
}
// 属于邀请注册
else
{
// 保存到数据库失败
if (SaveFace(featureContent, name, phone, registerBy, cutedBase64, code) == false)
{
result.code = 0x24;
result.message = "保存失败";
}
}
result.message = "成功";
context.Response.Write(JsonConvert.SerializeObject(result));
}
else
{
result.code = 0x23;
result.message = "服务器错误";
result.data = recognitionResult;
context.Response.Write(JsonConvert.SerializeObject(result));
}
}
}
else
{
result.code = 0x22;
result.message = "服务器错误";
result.data = detectResult;
context.Response.Write(JsonConvert.SerializeObject(result));
}
}
