// Copyright 2018 The Chromium Authors. All rights reserved.
// Copyright (C) 2018 Apple Inc. All rights reserved.
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#pragma once

#if ENABLE(WEB_AUTHN)

#include "AttestationConveyancePreference.h"
#include "AuthenticatorGetInfoResponse.h"
#include "FidoConstants.h"
#include "PublicKeyCredentialData.h"

// Converts response from authenticators to CTAPResponse objects. If the
// response of the authenticator does not conform to format specified by the
// CTAP protocol, null optional is returned.
namespace fido {

// Parses response code from response received from the authenticator. If
// unknown response code value is received, then CTAP2_ERR_OTHER is returned.
WEBCORE_EXPORT CtapDeviceResponseCode getResponseCode(const Vector<uint8_t>&);

// De-serializes CBOR encoded response, checks for valid CBOR map formatting,
// and converts response to AuthenticatorMakeCredentialResponse object with
// CBOR map keys that conform to format of attestation object defined by the
// WebAuthN spec : https://w3c.github.io/webauthn/#fig-attStructs
WEBCORE_EXPORT Optional<WebCore::PublicKeyCredentialData> readCTAPMakeCredentialResponse(const Vector<uint8_t>&, const WebCore::AttestationConveyancePreference& attestation = WebCore::AttestationConveyancePreference::Direct);

// De-serializes CBOR encoded response to AuthenticatorGetAssertion /
// AuthenticatorGetNextAssertion request to AuthenticatorGetAssertionResponse
// object.
// FIXME(190783): Probably need to remake AuthenticatorResponse to include more fields like numberOfCredentials,
// and use it here instead of PublicKeyCredentialData.
WEBCORE_EXPORT Optional<WebCore::PublicKeyCredentialData> readCTAPGetAssertionResponse(const Vector<uint8_t>&);

// De-serializes CBOR encoded response to AuthenticatorGetInfo request to
// AuthenticatorGetInfoResponse object.
WEBCORE_EXPORT Optional<AuthenticatorGetInfoResponse> readCTAPGetInfoResponse(const Vector<uint8_t>&);

} // namespace fido

#endif // ENABLE(WEB_AUTHN)