protected virtual async Task CheckSelfRegistrationAsync()
{
if (!await SettingProvider.IsTrueAsync(AccountSettingNames.IsSelfRegistrationEnabled))
{
throw new UserFriendlyException(L["SelfRegistrationDisabledMessage"]);
}
}
public virtual async Task <ProfileDto> UpdateAsync(UpdateProfileDto input)
{
var user = await UserManager.GetByIdAsync(CurrentUser.GetId());
if (await SettingProvider.IsTrueAsync(IdentitySettingNames.User.IsUserNameUpdateEnabled))
{
(await UserManager.SetUserNameAsync(user, input.UserName)).CheckErrors();
}
if (await SettingProvider.IsTrueAsync(IdentitySettingNames.User.IsEmailUpdateEnabled))
{
(await UserManager.SetEmailAsync(user, input.Email)).CheckErrors();
}
(await UserManager.SetPhoneNumberAsync(user, input.PhoneNumber)).CheckErrors();
user.Name = input.Name;
user.Surname = input.Surname;
input.MapExtraPropertiesTo(user);
(await UserManager.UpdateAsync(user)).CheckErrors();
await CurrentUnitOfWork.SaveChangesAsync();
return(ObjectMapper.Map <IdentityUser, ProfileDto>(user));
}
public virtual async Task <IActionResult> OnGetAsync()
{
if (CurrentUser.IsAuthenticated)
{
ToastHelper.ToastSuccess(this, $"{L["Welcome back!"]}, {CurrentUser.Name}");
if (ReturnUrl.IsNullOrEmpty())
{
return(Redirect("/"));
}
else
{
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
}
ActionHelper.AddTitle(this, "Login");
LoginInput = new LoginInputModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
if (IsExternalLoginOnly)
{
//return await ExternalLogin(vm.ExternalLoginScheme, returnUrl);
throw new NotImplementedException();
}
return(Page());
}
protected virtual async Task CheckLocalLoginAsync()
{
if (!await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin))
{
throw new UserFriendlyException(L["LocalLoginDisabledMessage"]);
}
}
public virtual async Task <IActionResult> OnGetAsync()
{
LoginInput = new LoginInputModel();
var schemes = await _schemeProvider.GetAllSchemesAsync();
var providers = schemes
.Where(x => x.DisplayName != null || x.Name.Equals(_accountOptions.WindowsAuthenticationSchemeName, StringComparison.OrdinalIgnoreCase))
.Select(x => new ExternalProviderModel
{
DisplayName = x.DisplayName,
AuthenticationScheme = x.Name
})
.ToList();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
ExternalProviders = providers.ToArray();
if (IsExternalLoginOnly)
{
//return await ExternalLogin(vm.ExternalLoginScheme, returnUrl);
throw new NotImplementedException();
}
return(Page());
}
public virtual async Task <IActionResult> OnPostAsync(string action)
{
await CheckLocalLoginAsync();
ValidateModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
await ReplaceEmailToUsernameOfInputIfNeeds();
await IdentityOptions.SetAsync();
var result = await SignInManager.PasswordSignInAsync(
LoginInput.UserNameOrEmailAddress,
LoginInput.Password,
LoginInput.RememberMe,
true
);
await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
{
Identity = IdentitySecurityLogIdentityConsts.Identity,
Action = result.ToIdentitySecurityLogAction(),
UserName = LoginInput.UserNameOrEmailAddress
});
if (result.RequiresTwoFactor)
{
return(await TwoFactorLoginResultAsync());
}
if (result.IsLockedOut)
{
Alerts.Warning(L["UserLockedOutMessage"]);
return(Page());
}
if (result.IsNotAllowed)
{
Alerts.Warning(L["LoginIsNotAllowed"]);
return(Page());
}
if (!result.Succeeded)
{
Alerts.Danger(L["InvalidUserNameOrPassword"]);
return(Page());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(LoginInput.UserNameOrEmailAddress) ??
await UserManager.FindByEmailAsync(LoginInput.UserNameOrEmailAddress);
Debug.Assert(user != null, nameof(user) + " != null");
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
public async override Task <IActionResult> OnGetAsync()
{
LoginInput = new LoginInputModel();
var context = await Interaction.GetAuthorizationContextAsync(ReturnUrl);
if (context != null)
{
ShowCancelButton = true;
LoginInput.UserNameOrEmailAddress = context.LoginHint;
//TODO: Reference AspNetCore MultiTenancy module and use options to get the tenant key!
var tenant = context.Parameters[TenantResolverConsts.DefaultTenantKey];
if (!string.IsNullOrEmpty(tenant))
{
CurrentTenant.Change(Guid.Parse(tenant));
Response.Cookies.Append(TenantResolverConsts.DefaultTenantKey, tenant);
}
}
if (context?.IdP != null)
{
LoginInput.UserNameOrEmailAddress = context.LoginHint;
ExternalProviders = new[] { new ExternalProviderModel {
AuthenticationScheme = context.IdP
} };
return(Page());
}
var providers = await GetExternalProviders();
ExternalProviders = providers.ToList();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
if (context?.Client?.ClientId != null)
{
var client = await ClientStore.FindEnabledClientByIdAsync(context?.Client?.ClientId);
if (client != null)
{
EnableLocalLogin = client.EnableLocalLogin;
if (client.IdentityProviderRestrictions != null && client.IdentityProviderRestrictions.Any())
{
providers = providers.Where(provider => client.IdentityProviderRestrictions.Contains(provider.AuthenticationScheme)).ToList();
}
}
}
if (IsExternalLoginOnly)
{
return(await base.OnPostExternalLogin(providers.First().AuthenticationScheme));
}
return(Page());
}
public virtual async Task <IActionResult> OnGetAsync()
{
Input = new LoginInputModel();
await ExternalProviderHelper.GetVisibleExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
return(Page());
}
public virtual async Task <IActionResult> OnPostAsync(string action)
{
await CheckLocalLoginAsync();
ValidateModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
await ReplaceEmailToUsernameOfInputIfNeeds();
var result = await SignInManager.PasswordSignInAsync(
LoginInput.UserNameOrEmailAddress,
LoginInput.Password,
LoginInput.RememberMe,
true
);
if (result.RequiresTwoFactor)
{
return(RedirectToPage("./SendSecurityCode", new
{
returnUrl = ReturnUrl,
returnUrlHash = ReturnUrlHash,
rememberMe = LoginInput.RememberMe
}));
}
if (result.IsLockedOut)
{
Alerts.Warning(L["UserLockedOutMessage"]);
return(Page());
}
if (result.IsNotAllowed)
{
Alerts.Warning(L["LoginIsNotAllowed"]);
return(Page());
}
if (!result.Succeeded)
{
Alerts.Danger(L["InvalidUserNameOrPassword"]);
return(Page());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(LoginInput.UserNameOrEmailAddress) ??
await UserManager.FindByEmailAsync(LoginInput.UserNameOrEmailAddress) ??
UserManager.Users.FirstOrDefault(m => m.PhoneNumber == LoginInput.UserNameOrEmailAddress);
Debug.Assert(user != null, nameof(user) + " != null");
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
public virtual async Task ChangeTwoFactorEnabledAsync(ChangeTwoFactorEnabledDto input)
{
if (!await SettingProvider.IsTrueAsync(IdentitySettingNames.TwoFactor.UsersCanChange))
{
throw new BusinessException(Volo.Abp.Identity.IdentityErrorCodes.CanNotChangeTwoFactor);
}
var user = await UserManager.GetByIdAsync(CurrentUser.GetId());
(await UserManager.SetTwoFactorEnabledWithAccountConfirmedAsync(user, input.Enabled)).CheckErrors();
await CurrentUnitOfWork.SaveChangesAsync();
}
public virtual async Task SendAsync(SmsMessage smsMessage)
{
var domain = await SettingProvider.GetOrNullAsync(AliyunSmsSettingNames.Sms.Domain);
var action = await SettingProvider.GetOrNullAsync(AliyunSmsSettingNames.Sms.ActionName);
var version = await SettingProvider.GetOrNullAsync(AliyunSmsSettingNames.Sms.Version);
Check.NotNullOrWhiteSpace(domain, AliyunSmsSettingNames.Sms.Domain);
Check.NotNullOrWhiteSpace(action, AliyunSmsSettingNames.Sms.ActionName);
Check.NotNullOrWhiteSpace(version, AliyunSmsSettingNames.Sms.Version);
CommonRequest request = new CommonRequest
{
Method = MethodType.POST,
Domain = domain,
Action = action,
Version = version
};
await TryAddTemplateCodeAsync(request, smsMessage);
await TryAddSignNameAsync(request, smsMessage);
await TryAddSendPhoneAsync(request, smsMessage);
TryAddTemplateParam(request, smsMessage);
try
{
var client = await AcsClientFactory.CreateAsync();
CommonResponse response = client.GetCommonResponse(request);
var responseContent = Encoding.Default.GetString(response.HttpResponse.Content);
var aliyunResponse = JsonSerializer.Deserialize <AliyunSmsResponse>(responseContent);
if (!aliyunResponse.IsSuccess())
{
if (await SettingProvider.IsTrueAsync(AliyunSmsSettingNames.Sms.VisableErrorToClient))
{
throw new UserFriendlyException(aliyunResponse.Code, aliyunResponse.Message);
}
throw new AliyunSmsException(aliyunResponse.Code, $"Text message sending failed, code:{aliyunResponse.Code}, message:{aliyunResponse.Message}!");
}
}
catch (ServerException se)
{
throw new AliyunSmsException(se.ErrorCode, $"Sending text messages to aliyun server is abnormal,type: {se.ErrorType}, error: {se.ErrorMessage}");
}
catch (ClientException ce)
{
throw new AliyunSmsException(ce.ErrorCode, $"A client exception occurred in sending SMS messages,type: {ce.ErrorType}, error: {ce.ErrorMessage}");
}
}
public virtual async Task <IActionResult> OnGetAsync()
{
LoginInput = new LoginInputModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
if (IsExternalLoginOnly)
{
return(await OnPostExternalLogin(ExternalProviders.First().AuthenticationScheme));
}
return(Page());
}
public virtual async Task <IActionResult> OnGetAsync()
{
LoginInput = new LoginInputModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
if (IsExternalLoginOnly)
{
//return await ExternalLogin(vm.ExternalLoginScheme, returnUrl);
throw new NotImplementedException();
}
return(Page());
}
public virtual async Task <TClient> CreateAsync()
{
var regionId = await SettingProvider.GetOrNullAsync(AliyunSettingNames.Authorization.RegionId);
var accessKey = await SettingProvider.GetOrNullAsync(AliyunSettingNames.Authorization.AccessKeyId);
var accessKeySecret = await SettingProvider.GetOrNullAsync(AliyunSettingNames.Authorization.AccessKeySecret);
Check.NotNullOrWhiteSpace(regionId, AliyunSettingNames.Authorization.RegionId);
Check.NotNullOrWhiteSpace(accessKey, AliyunSettingNames.Authorization.AccessKeyId);
Check.NotNullOrWhiteSpace(accessKeySecret, AliyunSettingNames.Authorization.AccessKeySecret);
if (await SettingProvider.IsTrueAsync(AliyunSettingNames.Authorization.UseSecurityTokenService))
{
var cacheItem = await GetCacheItemAsync(accessKey, accessKeySecret, regionId);
return(GetSecurityTokenClient(regionId, cacheItem.AccessKeyId, cacheItem.AccessKeySecret, cacheItem.SecurityToken));
}
return(GetClient(regionId, accessKey, accessKeySecret));
}
public virtual async Task <ProfileDto> UpdateAsync(UpdateProfileDto input)
{
await IdentityOptions.SetAsync();
var user = await UserManager.GetByIdAsync(CurrentUser.GetId());
if (!string.Equals(user.UserName, input.UserName, StringComparison.InvariantCultureIgnoreCase))
{
if (await SettingProvider.IsTrueAsync(IdentitySettingNames.User.IsUserNameUpdateEnabled))
{
(await UserManager.SetUserNameAsync(user, input.UserName)).CheckErrors();
}
}
if (!string.Equals(user.Email, input.Email, StringComparison.InvariantCultureIgnoreCase))
{
if (await SettingProvider.IsTrueAsync(IdentitySettingNames.User.IsEmailUpdateEnabled))
{
(await UserManager.SetEmailAsync(user, input.Email)).CheckErrors();
}
}
if (!string.Equals(user.PhoneNumber, input.PhoneNumber, StringComparison.InvariantCultureIgnoreCase))
{
(await UserManager.SetPhoneNumberAsync(user, input.PhoneNumber)).CheckErrors();
}
user.Name = input.Name;
user.Surname = input.Surname;
user.SetConcurrencyStampIfNotNull(input.ConcurrencyStamp);
input.MapExtraPropertiesTo(user);
(await UserManager.UpdateAsync(user)).CheckErrors();
await CurrentUnitOfWork.SaveChangesAsync();
return(ObjectMapper.Map <IdentityUser, ProfileDto>(user));
}
public virtual async Task <IActionResult> OnPostAsync(string action)
{
ActionHelper.AddTitle(this, "Login");
// Clean old noitify data
ViewData["LoginError"] = null;
await CheckLocalLoginAsync();
ValidateModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
await ReplaceEmailToUsernameOfInputIfNeeds();
await IdentityOptions.SetAsync();
var result = await SignInManager.PasswordSignInAsync(
LoginInput.UserNameOrEmailAddress,
LoginInput.Password,
LoginInput.RememberMe,
true
);
await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
{
Identity = IdentitySecurityLogIdentityConsts.Identity,
Action = result.ToIdentitySecurityLogAction(),
UserName = LoginInput.UserNameOrEmailAddress
});
if (result.RequiresTwoFactor)
{
return(await TwoFactorLoginResultAsync());
}
if (result.IsLockedOut)
{
ViewData["LoginError"] = L["Please try again after a few minutes"];
ToastHelper.ToastError(this, L["Please try again after a few minutes"]);
return(Page());
}
if (result.IsNotAllowed)
{
ViewData["LoginError"] = L["You are not permitted login right now"];
ToastHelper.ToastError(this, L["You are not permitted login right now"]);
return(Page());
}
if (!result.Succeeded)
{
ViewData["LoginError"] = L["Invalid Username/Email or Password"];
ToastHelper.ToastError(this, L["Invalid Username/Email or Password"]);
return(Page());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(LoginInput.UserNameOrEmailAddress) ??
await UserManager.FindByEmailAsync(LoginInput.UserNameOrEmailAddress);
Debug.Assert(user != null, nameof(user) + " != null");
ToastHelper.ToastSuccess(this, L["Login successful"]);
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
public virtual async Task <IActionResult> OnPostAsync()
{
if (!await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin))
{
MyAlerts.Danger(L["LocalLoginDisabledMessage"], L["OperationFailed"]);
return(await OnGetAsync());
}
try
{
ValidateModel();
}
catch (AbpValidationException e)
{
var message = GetMessageFromException(e);
MyAlerts.Warning(message, L["OperationFailed"]);
return(await OnGetAsync());
}
await ReplaceEmailToUsernameOfInputIfNeeds();
var result = await SignInManager.PasswordSignInAsync(
Input.UserNameOrEmailAddress,
Input.Password,
Input.RememberMe,
true
);
await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext
{
Identity = IdentitySecurityLogIdentityConsts.Identity,
Action = result.ToIdentitySecurityLogAction(),
UserName = Input.UserNameOrEmailAddress
});
if (result.RequiresTwoFactor)
{
return(await TwoFactorLoginResultAsync());
}
if (result.IsLockedOut)
{
MyAlerts.Danger(L["UserLockedOutMessage"], L["OperationFailed"]);
return(await OnGetAsync());
}
if (result.IsNotAllowed)
{
MyAlerts.Danger(L["LoginIsNotAllowed"], L["OperationFailed"]);
return(await OnGetAsync());
}
if (!result.Succeeded)
{
MyAlerts.Warning(L["InvalidUserNameOrPassword"], L["OperationFailed"]);
return(await OnGetAsync());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(Input.UserNameOrEmailAddress) ??
await UserManager.FindByEmailAsync(Input.UserNameOrEmailAddress);
Debug.Assert(user != null, nameof(user) + " != null");
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
[UnitOfWork] //TODO: Will be removed when we implement action filter
public override async Task <IActionResult> OnPostAsync(string action)
{
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin).ConfigureAwait(false);
if (action == "Cancel")
{
var context = await Interaction.GetAuthorizationContextAsync(ReturnUrl).ConfigureAwait(false);
if (context == null)
{
return(Redirect("~/"));
}
await Interaction.GrantConsentAsync(context, ConsentResponse.Denied).ConfigureAwait(false);
return(Redirect(ReturnUrl));
}
ValidateModel();
await ReplaceEmailToUsernameOfInputIfNeeds().ConfigureAwait(false);
var result = await SignInManager.PasswordSignInAsync(
LoginInput.UserNameOrEmailAddress,
LoginInput.Password,
LoginInput.RememberMe,
true
).ConfigureAwait(false);
if (result.RequiresTwoFactor)
{
return(RedirectToPage("./SendSecurityCode", new
{
returnUrl = ReturnUrl,
returnUrlHash = ReturnUrlHash,
rememberMe = LoginInput.RememberMe
}));
}
if (result.IsLockedOut)
{
Alerts.Warning(L["UserLockedOutMessage"]);
return(Page());
}
if (result.IsNotAllowed)
{
Alerts.Warning(L["LoginIsNotAllowed"]);
return(Page());
}
if (!result.Succeeded)
{
Alerts.Danger(L["InvalidUserNameOrPassword"]);
return(Page());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(LoginInput.UserNameOrEmailAddress).ConfigureAwait(false) ??
await UserManager.FindByEmailAsync(LoginInput.UserNameOrEmailAddress).ConfigureAwait(false);
Debug.Assert(user != null, nameof(user) + " != null");
await IdentityServerEvents.RaiseAsync(new UserLoginSuccessEvent(user.UserName, user.Id.ToString(), user.UserName)).ConfigureAwait(false); //TODO: Use user's name once implemented
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
public async override Task <IActionResult> OnPostAsync(string action)
{
if (action == "Cancel")
{
var context = await Interaction.GetAuthorizationContextAsync(ReturnUrl);
if (context == null)
{
return(Redirect("~/"));
}
await Interaction.GrantConsentAsync(context, new ConsentResponse()
{
Error = AuthorizationError.AccessDenied
});
return(Redirect(ReturnUrl));
}
await CheckLocalLoginAsync();
ValidateModel();
ExternalProviders = await GetExternalProviders();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
await ReplaceEmailToUsernameOfInputIfNeeds();
var result = await SignInManager.PasswordSignInAsync(
LoginInput.UserNameOrEmailAddress,
LoginInput.Password,
LoginInput.RememberMe,
true
);
await IdentitySecurityLogManager.SaveAsync(new IdentitySecurityLogContext()
{
Identity = IdentitySecurityLogIdentityConsts.Identity,
Action = result.ToIdentitySecurityLogAction(),
UserName = LoginInput.UserNameOrEmailAddress
});
if (result.RequiresTwoFactor)
{
return(await TwoFactorLoginResultAsync());
}
if (result.IsLockedOut)
{
Alerts.Warning(L["UserLockedOutMessage"]);
return(Page());
}
if (result.IsNotAllowed)
{
Alerts.Warning(L["LoginIsNotAllowed"]);
return(Page());
}
if (!result.Succeeded)
{
Alerts.Danger(L["InvalidUserNameOrPassword"]);
return(Page());
}
//TODO: Find a way of getting user's id from the logged in user and do not query it again like that!
var user = await UserManager.FindByNameAsync(LoginInput.UserNameOrEmailAddress) ??
await UserManager.FindByEmailAsync(LoginInput.UserNameOrEmailAddress);
Debug.Assert(user != null, nameof(user) + " != null");
await IdentityServerEvents.RaiseAsync(new UserLoginSuccessEvent(user.UserName, user.Id.ToString(), user.UserName)); //TODO: Use user's name once implemented
return(RedirectSafely(ReturnUrl, ReturnUrlHash));
}
public override async Task <IActionResult> OnGetAsync()
{
LoginInput = new LoginInputModel();
var context = await Interaction.GetAuthorizationContextAsync(ReturnUrl);
if (context != null)
{
LoginInput.UserNameOrEmailAddress = context.LoginHint;
//TODO: Reference AspNetCore MultiTenancy module and use options to get the tenant key!
var tenant = context.Parameters[TenantResolverConsts.DefaultTenantKey];
if (!string.IsNullOrEmpty(tenant))
{
CurrentTenant.Change(Guid.Parse(tenant));
Response.Cookies.Append(TenantResolverConsts.DefaultTenantKey, tenant);
}
}
if (context?.IdP != null)
{
LoginInput.UserNameOrEmailAddress = context.LoginHint;
ExternalProviders = new[] { new ExternalProviderModel {
AuthenticationScheme = context.IdP
} };
return(Page());
}
var schemes = await _schemeProvider.GetAllSchemesAsync();
var providers = schemes
.Where(x => x.DisplayName != null || x.Name.Equals(_accountOptions.WindowsAuthenticationSchemeName, StringComparison.OrdinalIgnoreCase))
.Select(x => new ExternalProviderModel
{
DisplayName = x.DisplayName,
AuthenticationScheme = x.Name
})
.ToList();
EnableLocalLogin = await SettingProvider.IsTrueAsync(AccountSettingNames.EnableLocalLogin);
if (context?.ClientId != null)
{
var client = await ClientStore.FindEnabledClientByIdAsync(context.ClientId);
if (client != null)
{
EnableLocalLogin = client.EnableLocalLogin;
if (client.IdentityProviderRestrictions != null && client.IdentityProviderRestrictions.Any())
{
providers = providers.Where(provider => client.IdentityProviderRestrictions.Contains(provider.AuthenticationScheme)).ToList();
}
}
}
ExternalProviders = providers.ToArray();
if (IsExternalLoginOnly)
{
return(await base.OnPostExternalLogin(providers.First().AuthenticationScheme));
}
return(Page());
}