public static CaptchaModel GetCaptchaModel(string name)
{
var model = new CaptchaModel();
if (name != "")
{
model.ID = name;
}
else
{
model.ID = "captcha";
}
// This Captcha code was extracted from:
// http://www.stefanprodan.eu/2012/01/user-friendly-captcha-for-asp-net-mvc/
var rand = new Random((int)DateTime.Now.Ticks);
// Generate new question
int a = rand.Next(0, 9);
int b = rand.Next(0, 9);
int c = rand.Next(0, 9);
int d = rand.Next(0, 9);
int e = rand.Next(0, 9);
var captcha = string.Format("{0} {1} {2} {3} {4}", a, b, c, d, e);
using (var mem = new MemoryStream())
using (var bmp = new Bitmap(130, 30))
using (var gfx = Graphics.FromImage(bmp))
{
gfx.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
gfx.SmoothingMode = SmoothingMode.AntiAlias;
gfx.FillRectangle(Brushes.White, new Rectangle(0, 0, bmp.Width, bmp.Height));
// Add noise
int i, r, x, y;
Pen pen = new Pen(Color.Yellow);
for (i = 1; i < 10; i++)
{
pen.Color = Color.FromArgb((rand.Next(0, 255)), (rand.Next(0, 255)), (rand.Next(0, 255)));
r = rand.Next(0, (130 / 3));
x = rand.Next(0, 130);
y = rand.Next(0, 30);
gfx.DrawEllipse(pen, x - r, y - r, r, r);
}
// Add question
gfx.DrawString(captcha, new Font("Tahoma", 16), Brushes.Gray, 2, 3);
// Render as Png
bmp.Save(mem, ImageFormat.Png);
model.Image = Convert.ToBase64String(mem.GetBuffer());
model.EncryptedValue = CustomEncrypt.Encrypt(captcha.Replace(" ", ""));
}
return(model);
}
/// <summary>
/// 自定义生成验证码数据,调用方生成验证码
/// </summary>
/// <param name="purpose">验证类型,区分大小写</param>
/// <param name="target">验证对象,target可以是邮件/手机等 都可以,区分大小写</param>
/// <param name="lifeTimeSeconds">验证码有效时间，单位秒</param>
/// <param name="maxErrorCount">最大错误次数</param>
/// <param name="captcha">自行生成验证码并传入</param>
/// <param name="securityStamp">target当前的安全标识,比如用户修改了密码等安全标识验证码需要失效</param>
/// <returns></returns>
public async Task <string> Build(string purpose, string target, int lifeTimeSeconds, int maxErrorCount, string captcha,
string?securityStamp = null)
{
if (purpose is null)
{
throw new ArgumentNullException(nameof(purpose));
}
if (target is null)
{
throw new ArgumentNullException(nameof(target));
}
if (lifeTimeSeconds <= 0)
{
throw new ArgumentOutOfRangeException(nameof(lifeTimeSeconds));
}
if (maxErrorCount < 0 || maxErrorCount > 99)
{
throw new ArgumentOutOfRangeException(nameof(maxErrorCount));
}
if (string.IsNullOrWhiteSpace(captcha))
{
throw new ArgumentException("Value cannot be null or whitespace.", nameof(captcha));
}
var key = GetKey(purpose, target, securityStamp);
var model = new CaptchaModel();
model._errorCounter = maxErrorCount;
model._captcha = captcha;
MemoryCache.Set(key, model, TimeSpan.FromSeconds(lifeTimeSeconds));
return(await Task.FromResult(captcha));
}
public String getToken()
{
// 產生一個 5 個字元的亂碼字串
var pwd = new Password(5).IncludeNumeric();
var Captcha = pwd.Next();
// 封裝字符和過期時間
CaptchaModel captchaModel = new CaptchaModel();
captchaModel.Code = Captcha;
//設定過期時間為一分鐘
captchaModel.Exp = DateTime.Now.AddMinutes(1);
//轉換json字串
string jsonString = JsonSerializer.Serialize(captchaModel);
System.Console.WriteLine(jsonString);
//AES加密
string token = StringEncrypt.aesEncryptBase64(jsonString, CryptoKey);
//取代特殊符號回傳
return(base64url_encode(token));
}
public ActionResult Index(CaptchaModel objCaptchaModel)
{
if (IsValidCaptcha(objCaptchaModel))
{
return(RedirectToAction("Success"));
}
ViewBag.ErrorMessage = "Incorrect Captcha, Please try again";
return(View("Index"));
}
public ActionResult Captcha(CaptchaModel model)
{
if (!ModelState.IsValid)
{
//clear captcha field
ModelState.SetModelValue("Captcha", new ValueProviderResult("", "", System.Globalization.CultureInfo.CurrentCulture));
return(View(model));
}
//proceed to next step
return(View(model)
.WithSuccessSnackbar("Yes!! This is the right captcha"));
}
public void Generate()
{
CaptchaModel model = Captcha.Generate();
CorrectX = model.X;
//pb2.Size = new Size(model.Slide.Width, model.Slide.Height);
//pb1.Size = new Size(model.Background.Width, model.Background.Height);
pb2.Image = model.Slide;
pb1.Image = model.Background;
Bitmap bitmap = (Bitmap)model.Background;
Color color = bitmap.GetPixel(bitmap.Width - lblRefresh.Width, lblRefresh.Height);
lblRefresh.ForeColor = Captcha.AntiColor(color);
}
/// <summary>
/// Help method for verify
/// </summary>
/// <param name="captcha"></param>
/// <returns></returns>
internal static bool IsVerify(CaptchaModel captcha)
{
try {
var encryptorModel = GetEncryptorModel();
if (encryptorModel == null)
{
return(false);
}
var textDecrypt = GetEncryption().Decrypt(captcha.CaptchaDeText, encryptorModel.Password, encryptorModel.Salt);
return(textDecrypt == captcha.CaptchaInputText);
} catch {
return(false);
}
}
/// <summary>
/// Method to check whether the captcha is valid or not
/// </summary>
/// <param name="objCaptchaModel"></param>
/// <returns></returns>
public bool IsValidCaptcha(CaptchaModel objCaptchaModel)
{
bool check = false;
try
{
if (!String.IsNullOrEmpty(objCaptchaModel.Text) && Session[Cons.CaptchaSessionKey].ToString() == objCaptchaModel.Text)
{
check = true;
}
}
catch (Exception ex)
{
//log exception
throw;
}
return(check);
}
public ServiceResponse GeneratingCaptchaCookie(CaptchaModel jobj)
{
result = new ServiceResponse();
try
{
if (ModelState.IsValid)
{
result.StatusCode = (int)HttpStatusCode.OK;
GenerateCaptchaCookie(jobj.Location);
result.Response = true;
}
}
catch
{
result.StatusCode = (int)HttpStatusCode.MethodNotAllowed;
result.Response = 0;
}
return result;
}
public ServiceResponse GeneratingCaptchaCookie(CaptchaModel jobj)
{
result = new ServiceResponse();
try
{
if (ModelState.IsValid)
{
result.StatusCode = (int)HttpStatusCode.OK;
GenerateCaptchaCookie(jobj.Location);
result.Response = true;
}
}
catch
{
result.StatusCode = (int)HttpStatusCode.MethodNotAllowed;
result.Response = 0;
}
return(result);
}
public ActionResult Index(CaptchaModel captchaModel)
{
if (ModelState.IsValid)
{
if (Session["captcha"] != null && captchaModel.Captcha == Session["captcha"].ToString())
{
ModelState.AddModelError("", "Doğrulama kodunu doğru girdiniz.");
}
else
{
ModelState.AddModelError("", "Doğrulama kodunu yanlış girdiniz.");
}
}
else
{
ModelState.AddModelError("", "Lütfen doğrulama kodunu boş bırakmayınız.");
}
return(View(captchaModel));
}
/// <summary>
/// Check for proper input captcha
/// </summary>
/// <param name="controllerBase"></param>
/// <param name="textError">text for error</param>
/// <returns></returns>
public static bool IsCaptchaVerify(this ControllerBase controllerBase, string textError)
{
try {
var captchaModel = new CaptchaModel {
CaptchaDeText =
controllerBase.ValueProvider.GetValue("CaptchaDeText").AttemptedValue,
CaptchaInputText =
controllerBase.ValueProvider.GetValue("CaptchaInputText").AttemptedValue
};
controllerBase.ViewData.ModelState.Remove("CaptchaDeText");
controllerBase.ViewData.ModelState.Remove("CaptchaInputText");
var isVerify = IsVerify(captchaModel);
if (!isVerify)
{
controllerBase.ViewData.ModelState.AddModelError("CaptchaInputText", textError);
}
return(isVerify);
} catch (Exception) {
throw new NullReferenceException("Form not contain CaptchaModel");
}
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
try
{
ControllerBase controllerBase = filterContext.Controller;
var captchaModel = new CaptchaModel
{
CaptchaDeText =
controllerBase.ValueProvider.GetValue("CaptchaDeText").AttemptedValue,
CaptchaInputText =
controllerBase.ValueProvider.GetValue("CaptchaInputText").AttemptedValue
};
if (!CaptchaHelper.IsVerify(captchaModel))
{
controllerBase.ViewData.ModelState.AddModelError("CaptchaInputText", _textError);
}
}
catch (Exception)
{
throw new NullReferenceException("Form not contain CaptchaModel");
}
base.OnActionExecuting(filterContext);
}
public LoginModel()
{
Captcha = new CaptchaModel();
}
public Captcha(CaptchaModel Model)
{
this.CaptchaModel = Model;
}
public Captcha()
{
this.CaptchaModel = new CaptchaModel();
}
public CaptchaController(HumanCaptchaContext _context, IExceptionManager _exceptionManager)
{
this.model = new CaptchaModel(_context, _exceptionManager);
//default length
this.size = 6;
}
public LocalPasswordModel()
{
Captcha = new CaptchaModel();
}
public static bool Verify(CaptchaModel model)
{
return(IsVerify(model));
}
/// <summary>
/// Default constructer
/// </summary>
public BaseViewModel()
{
Errors = new List <string>();
Captcha = new CaptchaModel();
}
public ForgotPasswordModel()
{
Captcha = new CaptchaModel();
}
public ActionResult Register(User model)
{
if (model.UserId == 0)
{
ViewBag.result = 1;
return(RedirectToAction("Register"));
}
else if (model.Email != null && model.BirthYear != null && model.TcNo != null && model.Password != null && model.FirstName != null && model.LastName != null && model.Phone != null)
{
CaptchaModel captchaModel;
using (System.Net.WebClient webClient = new System.Net.WebClient())
{
captchaModel = new CaptchaModel(System.Text.Encoding.Default.GetString(webClient.UploadValues("https://www.google.com/recaptcha/api/siteverify", new NameValueCollection()
{
["secret"] = "6Lch1uoUAAAAALTxp59SX0NAe9BZ9n8_yjT0VeFV",
["response"] = Request.Form["g-recaptcha-response"],
["remoteip"] = Request.ServerVariables["REMOTE_ADDR"]
})));
}
if (!captchaModel.success)
{
TempData["Mesaj"] = new TempDataDictionary {
{ "class", "alert-danger" }, { "Msg", "Güvenlik adımını tamamlayın" }
};
}
var year = model.BirthYear.Value.Date.Year;
var result = tcControl.TCKimlikNoDogrula(Convert.ToInt64(model.TcNo), model.FirstName.ToUpper(), model.LastName.ToUpper(), year);
if (result)
{
if (model.UserId == 2)
{
CourierVM item = new DL.ViewModels.CourierVM {
AddressId = 1, TcNo = model.TcNo, Phone = model.Phone, FirstName = model.FirstName, Password = model.Password, LastName = model.LastName, Email = model.Email, BirthYear = model.BirthYear.Value.Date
};
DataContractJsonSerializer ser =
new DataContractJsonSerializer(typeof(CourierVM));
MemoryStream mem = new MemoryStream();
ser.WriteObject(mem, item);
string data =
Encoding.UTF8.GetString(mem.ToArray(), 0, (int)mem.Length);
WebClient webClientt = new WebClient();
webClientt.Headers["Content-type"] = "application/json";
webClientt.Encoding = Encoding.UTF8;
var response = webClientt.UploadString("http://localhost:65132/QarocoService.svc/Courier/CourierAdd", "POST", data);
var resultx = JsonConvert.DeserializeObject(response);
return(RedirectToAction("Login"));
// resultx doğru ise ekrana kayıt başarılı çıkar
}
else if (model.UserId == 1)
{
CustomerVM item = new DL.ViewModels.CustomerVM {
AddressId = 1, TcNo = model.TcNo, Phone = model.Phone, FirstName = model.FirstName, Password = model.Password, LastName = model.LastName, Email = model.Email, BirthYear = model.BirthYear.Value.Date
};
DataContractJsonSerializer ser =
new DataContractJsonSerializer(typeof(CustomerVM));
MemoryStream mem = new MemoryStream();
ser.WriteObject(mem, item);
string data =
Encoding.UTF8.GetString(mem.ToArray(), 0, (int)mem.Length);
WebClient webClientt = new WebClient();
webClientt.Headers["Content-type"] = "application/json";
webClientt.Encoding = Encoding.UTF8;
var response = webClientt.UploadString("http://localhost:65132/QarocoService.svc/Customer/CustomerAdd", "POST", data);
var resultx = JsonConvert.DeserializeObject(response);
return(RedirectToAction("Login"));
// resultx doğru ise ekrana kayıt başarılı çıkar
}
else
{
ViewBag.result = 1;
return(RedirectToAction("Register"));
}
}
else
{
ViewBag.result = 0;
return(RedirectToAction("Register"));
}
}
else
{
ViewBag.result = 1;
return(RedirectToAction("Register"));
}
}
public ActionResult Login(User model)
{
if (model.Email != null && model.Password != null)
{
CaptchaModel captchaModel;
using (System.Net.WebClient webClient = new System.Net.WebClient())
{
captchaModel = new CaptchaModel(System.Text.Encoding.Default.GetString(webClient.UploadValues("https://www.google.com/recaptcha/api/siteverify", new NameValueCollection()
{
["secret"] = "6Lch1uoUAAAAALTxp59SX0NAe9BZ9n8_yjT0VeFV",
["response"] = Request.Form["g-recaptcha-response"],
["remoteip"] = Request.ServerVariables["REMOTE_ADDR"]
})));
}
if (!captchaModel.success)
{
TempData["Mesaj"] = new TempDataDictionary {
{ "class", "alert-danger" }, { "Msg", "Güvenlik adımını tamamlayın" }
};
}
/* Burda Başlar Post eder */
DataContractJsonSerializer ser =
new DataContractJsonSerializer(typeof(User));
MemoryStream mem = new MemoryStream();
ser.WriteObject(mem, model);
string data =
Encoding.UTF8.GetString(mem.ToArray(), 0, (int)mem.Length);
WebClient webClientt = new WebClient();
webClientt.Headers["Content-type"] = "application/json";
webClientt.Encoding = Encoding.UTF8;
var response = webClientt.UploadString("http://localhost:65132/QarocoService.svc/UserLogin/User", "POST", data);
User user = JsonConvert.DeserializeObject <User>(response);
/* Burda Biter */
if (user != null)
{
Session["LoginUser"] = user;
return(RedirectToAction("Index", "Home"));
}
else
{
string ipAddress = Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
DataContractJsonSerializer serializer =
new DataContractJsonSerializer(typeof(string));
MemoryStream memoryStream = new MemoryStream();
serializer.WriteObject(memoryStream, model.Email);
string _data =
Encoding.UTF8.GetString(memoryStream.ToArray(), 0, (int)memoryStream.Length);
WebClient web = new WebClient();
web.Headers["Content-type"] = "application/json";
web.Encoding = Encoding.UTF8;
var result = web.UploadString("http://localhost:65132/QarocoService.svc/User/UserLog", "POST", _data);
User _user = JsonConvert.DeserializeObject <User>(result);
if (string.IsNullOrEmpty(ipAddress) && _user != null)
{
Log log = new Log();
ipAddress = Request.ServerVariables["REMOTE_ADDR"];
log.LogEmail = _user.Email;
log.LogDate = DateTime.Now;
log.LogDescription = log.LogDate.Value.ToShortDateString() + " Tarihindeki giriş hatanız";
log.LogIp = ipAddress;
DataContractJsonSerializer ser2 =
new DataContractJsonSerializer(typeof(Log));
MemoryStream memory = new MemoryStream();
ser2.WriteObject(memory, log);
string data2 =
Encoding.UTF8.GetString(memory.ToArray(), 0, (int)memory.Length);
WebClient _webClientt = new WebClient();
_webClientt.Headers["Content-type"] = "application/json";
_webClientt.Encoding = Encoding.UTF8;
var response2 = _webClientt.UploadString("http://localhost:65132/QarocoService.svc/Log/LogAdd", "POST", data2);
if (response2 == "true")
{
TempData["Mesaj"] = new TempDataDictionary {
{ "class", "alert-danger" }, { "Msg", "Kullanıcı Adı veya şifre hatalı!" }
};
return(View());
}
else
{
return(View());
}
}
else
{
return(View());
}
}
}
else
{
TempData["Mesaj"] = new TempDataDictionary {
{ "class", "alert-danger" }, { "Msg", "Kullanıcı Adı veya şifre Girmediniz!" }
};
return(View());
}
}
