private async Task <LoginViewModel> BuildLoginViewModelAsync(string returnUrl)
{
var context = await InteractionService.GetAuthorizationContextAsync(returnUrl);
if (context?.IdP != null)
{
var local = context.IdP == IdentityServerConstants.LocalIdentityProvider;
var vm = new LoginViewModel {
EnableLocalLogin = local,
ReturnUrl = returnUrl,
UserName = context?.LoginHint,
};
if (!local)
{
vm.ExternalProviders = new[] { new ExternalProvider {
AuthenticationScheme = context.IdP
} };
}
return(vm);
}
var schemes = await AuthenticationSchemeProvider.GetAllSchemesAsync();
var providers = schemes
.Where(x => x.DisplayName != null ||
(x.Name.Equals(AccountOptions.WindowsAuthenticationSchemeName, StringComparison.OrdinalIgnoreCase))
)
.Select(x => new ExternalProvider {
DisplayName = x.DisplayName,
AuthenticationScheme = x.Name
}).ToList();
var allowLocal = true;
if (context?.ClientId != null)
{
//var client = await _clientStore.FindEnabledClientByIdAsync( context.ClientId );
//if( client != null ) {
// allowLocal = client.EnableLocalLogin;
// if( client.IdentityProviderRestrictions != null && client.IdentityProviderRestrictions.Any() ) {
// providers = providers.Where( provider => client.IdentityProviderRestrictions.Contains( provider.AuthenticationScheme ) ).ToList();
// }
//}
}
return(new LoginViewModel {
AllowRemember = AccountOptions.AllowRemember,
EnableLocalLogin = allowLocal && AccountOptions.AllowLocalLogin,
ReturnUrl = returnUrl,
UserName = context?.LoginHint,
ExternalProviders = providers.ToArray()
});
}
public async Task <string> GetAuthenticationScheme()
{
var schemeHandlers = await AuthenticationSchemeProvider.GetAllSchemesAsync();
foreach (var scheme in schemeHandlers)
{
var authResult = await HttpContext.AuthenticateAsync(scheme.Name);
if (authResult.Succeeded)
{
return(scheme.Name);
}
}
return(null);
}