public static WebAuthnResult AuthenticatorGetAssertion(
IntPtr window,
string rpId,
ClientData clientData,
AuthenticatorGetAssertionOptions getOptions,
out Assertion assertion)
{
//TODO: extensions
assertion = null;
var rawClientData = new RawClientData(clientData);
var rawGetOptions = getOptions == null
? null
: new RawAuthenticatorGetAssertionOptions(getOptions);
var res = RawAuthenticatorGetAssertion(window, rpId, rawClientData, rawGetOptions, out var rawAsnPtr);
if (rawAsnPtr != IntPtr.Zero)
{
var rawAssertion = Marshal.PtrToStructure <RawAssertion>(rawAsnPtr);
assertion = rawAssertion?.MarshalToPublic();
if (assertion != null && rawGetOptions != null)
{
assertion.U2fAppIdUsed = rawGetOptions.CheckU2fAppIdUsed();
}
FreeRawAssertion(rawAsnPtr);
}
rawClientData.Dispose();
rawGetOptions?.Dispose();
return(res);
}
public RawAuthenticatorGetAssertionOptions(AuthenticatorGetAssertionOptions getOptions)
{
AllowCredentialsList = new RawCredentialsList(getOptions.AllowedCredentials);
if (getOptions.AllowedCredentialsEx?.Count > 0)
{
_allowedCredentialsExList = new RawCredentialExList(getOptions.AllowedCredentialsEx);
AllowCredentialsExListPtr = Marshal.AllocHGlobal(Marshal.SizeOf <RawCredentialExList>());
Marshal.StructureToPtr(_allowedCredentialsExList, AllowCredentialsExListPtr, false);
}
CancellationId = IntPtr.Zero;
if (getOptions.CancellationId.HasValue)
{
CancellationId = Marshal.AllocHGlobal(Marshal.SizeOf <Guid>());
Marshal.StructureToPtr(getOptions.CancellationId.Value, CancellationId, false);
}
U2fAppId = getOptions.U2fAppId;
U2fAppIdUsedBoolPtr = Marshal.AllocHGlobal(Marshal.SizeOf <bool>());
TimeoutMilliseconds = getOptions.TimeoutMilliseconds;
AuthenticatorAttachment = getOptions.AuthenticatorAttachment;
UserVerificationRequirement = getOptions.UserVerificationRequirement;
Extensions = new RawWebauthnExtensions {
Count = 0, Extensions = IntPtr.Zero
}; //TODO
}