// Copyright 2018 The Chromium Authors. All rights reserved.
// Copyright (C) 2018-2021 Apple Inc. All rights reserved.
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#pragma once

#if ENABLE(WEB_AUTHN)

#include <WebCore/AttestationConveyancePreference.h>
#include <WebCore/AuthenticatorAssertionResponse.h>
#include <WebCore/AuthenticatorAttestationResponse.h>
#include <WebCore/AuthenticatorGetInfoResponse.h>
#include <WebCore/FidoConstants.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 {

std::optional<cbor::CBORValue> decodeResponseMap(const Vector<uint8_t>&);

// 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 RefPtr<WebCore::AuthenticatorAttestationResponse> readCTAPMakeCredentialResponse(const Vector<uint8_t>&, WebCore::AuthenticatorAttachment, Vector<WebCore::AuthenticatorTransport>&&, const WebCore::AttestationConveyancePreference& = WebCore::AttestationConveyancePreference::Direct);

// De-serializes CBOR encoded response to AuthenticatorGetAssertion /
// AuthenticatorGetNextAssertion request to AuthenticatorGetAssertionResponse
// object.
WEBCORE_EXPORT RefPtr<WebCore::AuthenticatorAssertionResponse> readCTAPGetAssertionResponse(const Vector<uint8_t>&, WebCore::AuthenticatorAttachment);

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

} // namespace fido

#endif // ENABLE(WEB_AUTHN)
