public TwoFactorProviderType?GetDefaultTwoFactorProvider(bool u2fSupported)
{
if (TwoFactorProvidersData == null)
{
return(null);
}
if (SelectedTwoFactorProviderType != null &&
TwoFactorProvidersData.ContainsKey(SelectedTwoFactorProviderType.Value))
{
return(SelectedTwoFactorProviderType.Value);
}
TwoFactorProviderType?providerType = null;
var providerPriority = -1;
foreach (var providerKvp in TwoFactorProvidersData)
{
if (TwoFactorProviders.ContainsKey(providerKvp.Key))
{
var provider = TwoFactorProviders[providerKvp.Key];
if (provider.Priority > providerPriority)
{
if (providerKvp.Key == TwoFactorProviderType.U2f && !u2fSupported)
{
continue;
}
providerType = providerKvp.Key;
providerPriority = provider.Priority;
}
}
}
return(providerType);
}
public virtual async Task <bool> VerifyTwoFactorTokenAsync(TUser user, string twoFactorProvider, string token)
{
ThrowIfDisposed();
if (user == null)
{
throw new ArgumentNullException("user");
}
if (!TwoFactorProviders.ContainsKey(twoFactorProvider))
{
throw new NotSupportedException("No TwoFactorProvider");
}
return(await TwoFactorProviders[twoFactorProvider].ValidateAsync(twoFactorProvider, token, this, user));
}