public IActionResult Index(string returnUrl)
{
// has the user been remembered?
if (ValidateRememberedLogin())
{
if (String.IsNullOrEmpty(returnUrl))
{
return(Redirect(_settings.LoginSuccessUrl));
}
else
{
return(Redirect(returnUrl));
}
}
LoginViewModel model = new LoginViewModel(GetModelData(),
String.IsNullOrEmpty(returnUrl) ? _settings.LoginSuccessUrl : returnUrl,
_settings.ShowRememberMe);
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(false);
if (loginCacheItem != null)
{
model.ShowCaptchaImage = loginCacheItem.LoginAttempts >= _settings.CaptchaShowFailCount;
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
}
return(View(model));
}
public ActionResult GetCaptchaImage()
{
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(false);
if (loginCacheItem == null)
{
return(StatusCode(400));
}
CaptchaImage ci = new CaptchaImage(loginCacheItem.CaptchaText, 240, 60, "Century Schoolbook");
try
{
// Write the image to the response stream in JPEG format.
using (MemoryStream ms = new MemoryStream())
{
ci.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
return(File(ms.ToArray(), "image/png"));
}
}
catch (Exception err)
{
if (!err.Message.Contains("Specified method is not supported."))
{
throw;
}
}
finally
{
ci.Dispose();
}
return(null);
}
public IActionResult ForgotPassword(ForgotPasswordViewModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(true);
if (!String.IsNullOrEmpty(loginCacheItem.CaptchaText))
{
if (!loginCacheItem.CaptchaText.Equals(model.CaptchaText))
{
ModelState.AddModelError(String.Empty, Languages.LanguageStrings.CodeNotValid);
}
}
if (ModelState.IsValid && _loginProvider.ForgottenPassword(model.Username))
{
RemoveLoginAttempt();
return(Redirect("/Login/"));
}
ModelState.AddModelError(String.Empty, Languages.LanguageStrings.InvalidUsernameOrPassword);
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
model.CaptchaText = loginCacheItem.CaptchaText;
model.Breadcrumbs = GetBreadcrumbs();
model.CartSummary = GetCartSummary();
return(View(model));
}
public IActionResult ForgotPassword(ForgotPasswordViewModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(true);
if (!String.IsNullOrEmpty(loginCacheItem.CaptchaText))
{
if (!loginCacheItem.CaptchaText.Equals(model.CaptchaText))
{
ModelState.AddModelError(String.Empty, "Invalid Validation Code");
}
}
if (ModelState.IsValid && _loginProvider.ForgottenPassword(model.Username))
{
RemoveLoginAttempt();
return(Redirect("/Login/"));
}
ModelState.AddModelError(String.Empty, "The details you provided could not be validated.");
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
model.CaptchaText = loginCacheItem.CaptchaText;
return(View(model));
}
public IActionResult Index(LoginViewModel model)
{
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(true);
if (!String.IsNullOrEmpty(loginCacheItem.CaptchaText))
{
if (!loginCacheItem.CaptchaText.Equals(model.CaptchaText))
{
ModelState.AddModelError(String.Empty, "Invalid Validation Code");
}
}
loginCacheItem.LoginAttempts++;
model.ShowCaptchaImage = loginCacheItem.LoginAttempts >= _settings.CaptchaShowFailCount;
UserLoginDetails loginDetails = new UserLoginDetails();
switch (_loginProvider.Login(model.Username, model.Password, GetIpAddress(),
loginCacheItem.LoginAttempts, ref loginDetails))
{
case LoginResult.Success:
RemoveLoginAttempt();
UserSession session = GetUserSession();
if (session != null)
{
session.Login(loginDetails.UserId, loginDetails.Username, loginDetails.Email);
}
if (model.RememberMe)
{
CookieAdd(_settings.RememberMeCookieName, Encrypt(loginDetails.UserId.ToString(), _settings.EncryptionKey), _settings.LoginDays);
}
return(Redirect(model.ReturnUrl));
case LoginResult.AccountLocked:
return(RedirectToAction("AccountLocked", new { username = model.Username }));
case LoginResult.PasswordChangeRequired:
return(Redirect(_settings.ChangePasswordUrl));
case LoginResult.InvalidCredentials:
ModelState.AddModelError(String.Empty, "Invalid username or password");
break;
}
if (model.ShowCaptchaImage)
{
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
}
return(View(model));
}
public IActionResult ForgotPassword()
{
ForgotPasswordViewModel model = new ForgotPasswordViewModel(GetModelData());
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(true);
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
//model.CaptchaText = loginCacheItem.CaptchaText;
return(View(model));
}
private LoginCacheItem GetCachedLoginAttempt(bool createIfNotExist)
{
LoginCacheItem Result = null;
string cacheId = _settings.CacheUseSession ? GetCoreSessionId() : GetIpAddress();
CacheItem loginCache = _loginCache.Get(cacheId);
if (loginCache != null)
{
Result = (LoginCacheItem)loginCache.Value;
}
else if (createIfNotExist && loginCache == null)
{
Result = new LoginCacheItem();
loginCache = new CacheItem(cacheId, Result);
_loginCache.Add(cacheId, loginCache);
}
return(Result);
}
public IActionResult Index(LoginViewModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
LoginCacheItem loginCacheItem = GetCachedLoginAttempt(true);
if (!String.IsNullOrEmpty(loginCacheItem.CaptchaText))
{
if (!loginCacheItem.CaptchaText.Equals(model.CaptchaText))
{
ModelState.AddModelError(String.Empty, Languages.LanguageStrings.CodeNotValid);
}
}
loginCacheItem.LoginAttempts++;
model.ShowCaptchaImage = loginCacheItem.LoginAttempts >= _settings.CaptchaShowFailCount;
UserLoginDetails loginDetails = new UserLoginDetails();
model.Breadcrumbs = GetBreadcrumbs();
model.CartSummary = GetCartSummary();
LoginResult loginResult = _loginProvider.Login(model.Username, model.Password, GetIpAddress(),
loginCacheItem.LoginAttempts, ref loginDetails);
switch (loginResult)
{
case LoginResult.Success:
case LoginResult.PasswordChangeRequired:
RemoveLoginAttempt();
UserSession session = GetUserSession();
if (session != null)
{
session.Login(loginDetails.UserId, loginDetails.Username, loginDetails.Email);
}
if (model.RememberMe)
{
CookieAdd(_settings.RememberMeCookieName, Encrypt(loginDetails.UserId.ToString(),
_settings.EncryptionKey), _settings.LoginDays);
}
GetAuthenticationService().SignInAsync(HttpContext,
_settings.AuthenticationScheme,
new ClaimsPrincipal(_claimsProvider.GetUserClaims(loginDetails.UserId)),
_claimsProvider.GetAuthenticationProperties());
if (loginResult == LoginResult.PasswordChangeRequired)
{
return(Redirect(_settings.ChangePasswordUrl));
}
return(Redirect(model.ReturnUrl));
case LoginResult.AccountLocked:
return(RedirectToAction(nameof(AccountLocked), new { username = model.Username }));
case LoginResult.InvalidCredentials:
ModelState.AddModelError(String.Empty, Languages.LanguageStrings.InvalidUsernameOrPassword);
break;
}
if (model.ShowCaptchaImage)
{
loginCacheItem.CaptchaText = GetRandomWord(_settings.CaptchaWordLength, CaptchaCharacters);
}
return(View(model));
}
