private async Task <SignInViewModel> CreateSigninModelAsync(string returnUrl)
{
var context = await interactions.GetAuthorizationContextAsync(returnUrl);
if (null != context?.IdP)
{
return(new SignInViewModel
{
EnableLocalLogin = false,
ReturnUrl = returnUrl,
Email = context.LoginHint,
ExternalProviders =
{
new ExternalProvider
{
AuthenticationScheme = context.IdP
}
}
});
}
var schemes = await schemeProvider.GetAllSchemesAsync();
var comparer = StringComparer.OrdinalIgnoreCase;
var condition = new Func <AuthenticationScheme, bool>(scheme =>
null != scheme.DisplayName || comparer.Equals(scheme.Name, AccountOptions.WindowsAuthenticationScheme)
);
var canSigninLocal = true;
var providers = schemes
.Where(condition)
.Select(scheme => new ExternalProvider
{
DisplayName = scheme.DisplayName,
AuthenticationScheme = scheme.Name
})
.ToArray();
if (null != context?.ClientId)
{
var client = await clientStore.FindEnabledClientByIdAsync(context.ClientId);
if (null != client)
{
canSigninLocal = client.EnableLocalLogin;
if (null != client.IdentityProviderRestrictions && client.IdentityProviderRestrictions.Any())
{
providers = providers
.Where(provider =>
client.IdentityProviderRestrictions.Contains(provider.AuthenticationScheme)
)
.ToArray();
}
}
}
captcha.Create(HttpContext);
return(new SignInViewModel
{
AllowRememberMe = AccountOptions.AllowRememberMe,
EnableLocalLogin = canSigninLocal && AccountOptions.AllowLocalLogin,
ReturnUrl = returnUrl,
Email = context?.LoginHint,
ExternalProviders = providers
});
}
