Source/WebCore/Modules/webauthn/AuthenticationExtensionsClientInputs.cpp

/*
 * Copyright (C) 2022 Apple Inc. All rights reserved.
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#include "config.h"
#include "AuthenticationExtensionsClientInputs.h"

#if ENABLE(WEB_AUTHN)

#include "CBORReader.h"
#include "CBORWriter.h"

namespace WebCore {

std::optional<AuthenticationExtensionsClientInputs> AuthenticationExtensionsClientInputs::fromCBOR(const Vector<uint8_t>& buffer)
{
    std::optional<cbor::CBORValue> decodedValue = cbor::CBORReader::read(buffer);
    if (!decodedValue || !decodedValue->isMap())
        return std::nullopt;
    AuthenticationExtensionsClientInputs clientInputs;

    const auto& decodedMap = decodedValue->getMap();
    auto it = decodedMap.find(cbor::CBORValue("appid"));
    if (it != decodedMap.end() && it->second.isString())
        clientInputs.appid = it->second.getString();
    it = decodedMap.find(cbor::CBORValue("googleLegacyAppidSupport"));
    if (it != decodedMap.end() && it->second.isBool())
        clientInputs.googleLegacyAppidSupport = it->second.getBool();
    it = decodedMap.find(cbor::CBORValue("credProps"));
    if (it != decodedMap.end() && it->second.isBool())
        clientInputs.credProps = it->second.getBool();
    return clientInputs;
}

Vector<uint8_t> AuthenticationExtensionsClientInputs::toCBOR() const
{
    cbor::CBORValue::MapValue clientInputsMap;
    if (!appid.isEmpty())
        clientInputsMap[cbor::CBORValue("appid")] = cbor::CBORValue(appid);
    if (googleLegacyAppidSupport)
        clientInputsMap[cbor::CBORValue("googleLegacyAppidSupport")] = cbor::CBORValue(googleLegacyAppidSupport);
    if (credProps)
        clientInputsMap[cbor::CBORValue("credProps")] = cbor::CBORValue(credProps);

    auto clientInputs = cbor::CBORWriter::write(cbor::CBORValue(WTFMove(clientInputsMap)));
    ASSERT(clientInputs);

    return *clientInputs;
}

} // namespace WebCore

#endif // ENABLE(WEB_AUTHN)