// Copyright 2017 The Chromium Authors. All rights reserved.
// Copyright (C) 2018 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions are
// met:
//
//    * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// in the documentation and/or other materials provided with the
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#pragma once

#if ENABLE(WEB_AUTHN)

#include <WebCore/AuthenticatorSupportedOptions.h>
#include <WebCore/FidoConstants.h>
#include <WebCore/UserVerificationRequirement.h>
#include <wtf/Forward.h>

namespace WebCore {
struct PublicKeyCredentialCreationOptions;
struct PublicKeyCredentialRequestOptions;
struct PublicKeyCredentialDescriptor;
struct PublicKeyCredentialParameters;
}

namespace fido {

struct PinParameters {
    int protocol;
    Vector<uint8_t> auth;
};

struct HmacSecretParameters {
    cbor::CBORValue::MapValue keyAgreement;
    Vector<uint8_t> saltEnc;
    Vector<uint8_t> saltAuth;
    int protocol;
};

// Serializes MakeCredential request parameter into CBOR encoded map with
// integer keys and CBOR encoded values as defined by the CTAP spec.
// https://fidoalliance.org/specs/fido-v2.0-ps-20170927/fido-client-to-authenticator-protocol-v2.0-ps-20170927.html#authenticatorMakeCredential
WEBCORE_EXPORT Vector<uint8_t> encodeMakeCredentialRequestAsCBOR(const Vector<uint8_t>& hash, const WebCore::PublicKeyCredentialCreationOptions&, AuthenticatorSupportedOptions::UserVerificationAvailability, WebCore::UserVerificationRequirement effectiveUVRequirement, AuthenticatorSupportedOptions::ResidentKeyAvailability, const Vector<String>& authenticatorSupportedExtensions, std::optional<PinParameters> = std::nullopt, const std::optional<Vector<WebCore::PublicKeyCredentialParameters>>& = std::nullopt, std::optional<Vector<WebCore::PublicKeyCredentialDescriptor>>&& = std::nullopt, std::optional<HmacSecretParameters>&& = std::nullopt);

// Serializes GetAssertion request parameter into CBOR encoded map with
// integer keys and CBOR encoded values as defined by the CTAP spec.
// https://fidoalliance.org/specs/fido-v2.0-ps-20170927/fido-client-to-authenticator-protocol-v2.0-ps-20170927.html#authenticatorGetAssertion
WEBCORE_EXPORT Vector<uint8_t> encodeGetAssertionRequestAsCBOR(const Vector<uint8_t>& hash, const WebCore::PublicKeyCredentialRequestOptions&, AuthenticatorSupportedOptions::UserVerificationAvailability, WebCore::UserVerificationRequirement effectiveUVRequirement, const Vector<String>& authenticatorSupportedExtensions, std::optional<PinParameters> = std::nullopt, std::optional<Vector<WebCore::PublicKeyCredentialDescriptor>>&& = std::nullopt, std::optional<HmacSecretParameters>&& = std::nullopt);

WEBCORE_EXPORT Vector<uint8_t> encodeBogusRequestForAuthenticatorSelection();
WEBCORE_EXPORT Vector<uint8_t> encodeSilentGetAssertion(const String& rpId, const Vector<uint8_t>& hash, const Vector<WebCore::PublicKeyCredentialDescriptor>& credentials, std::optional<PinParameters> = std::nullopt);

// Represents CTAP requests with empty parameters, including
// AuthenticatorGetInfo, AuthenticatorReset and AuthenticatorGetNextAssertion commands.
WEBCORE_EXPORT Vector<uint8_t> encodeEmptyAuthenticatorRequest(CtapRequestCommand);

} // namespace fido

#endif // ENABLE(WEB_AUTHN)
