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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AuthenticationExtensionsClientOutputs.h"
#if ENABLE(WEB_AUTHN)
#include "CBORReader.h"
#include "CBORWriter.h"
namespace WebCore {
std::optional<AuthenticationExtensionsClientOutputs> AuthenticationExtensionsClientOutputs::fromCBOR(const Vector<uint8_t>& buffer)
{
std::optional<cbor::CBORValue> decodedValue = cbor::CBORReader::read(buffer);
if (!decodedValue || !decodedValue->isMap())
return std::nullopt;
AuthenticationExtensionsClientOutputs clientOutputs;
const auto& decodedMap = decodedValue->getMap();
auto it = decodedMap.find(cbor::CBORValue("appid"));
if (it != decodedMap.end() && it->second.isBool())
clientOutputs.appid = it->second.getBool();
it = decodedMap.find(cbor::CBORValue("credProps"));
if (it != decodedMap.end() && it->second.isMap()) {
CredentialPropertiesOutput credProps;
it = it->second.getMap().find(cbor::CBORValue("rk"));
if (it != decodedMap.end() && it->second.isBool())
credProps.rk = it->second.getBool();
clientOutputs.credProps = credProps;
}
it = decodedMap.find(cbor::CBORValue("largeBlob"));
if (it != decodedMap.end() && it->second.isMap()) {
const auto& largeBlobMap = it->second.getMap();
LargeBlobOutputs largeBlob;
auto largeBlobIt = largeBlobMap.find(cbor::CBORValue("supported"));
if (largeBlobIt != largeBlobMap.end() && largeBlobIt->second.isBool())
largeBlob.supported = largeBlobIt->second.getBool();
largeBlobIt = largeBlobMap.find(cbor::CBORValue("blob"));
if (largeBlobIt != largeBlobMap.end() && largeBlobIt->second.isByteString()) {
RefPtr<ArrayBuffer> blob = ArrayBuffer::create(largeBlobIt->second.getByteString());
largeBlob.blob = WTFMove(blob);
}
largeBlobIt = largeBlobMap.find(cbor::CBORValue("written"));
if (largeBlobIt != largeBlobMap.end() && largeBlobIt->second.isBool())
largeBlob.written = largeBlobIt->second.getBool();
clientOutputs.largeBlob = largeBlob;
}
return clientOutputs;
}
Vector<uint8_t> AuthenticationExtensionsClientOutputs::toCBOR() const
{
cbor::CBORValue::MapValue clientOutputsMap;
if (appid)
clientOutputsMap[cbor::CBORValue("appid")] = cbor::CBORValue(*appid);
if (credProps) {
cbor::CBORValue::MapValue credPropsMap;
credPropsMap[cbor::CBORValue("rk")] = cbor::CBORValue(credProps->rk);
clientOutputsMap[cbor::CBORValue("credProps")] = cbor::CBORValue(credPropsMap);
}
if (largeBlob) {
cbor::CBORValue::MapValue largeBlobMap;
if (largeBlob->supported)
largeBlobMap[cbor::CBORValue("supported")] = cbor::CBORValue(largeBlob->supported.value());
if (largeBlob->blob)
largeBlobMap[cbor::CBORValue("blob")] = cbor::CBORValue(largeBlob->blob->toVector());
if (largeBlob->written)
largeBlobMap[cbor::CBORValue("written")] = cbor::CBORValue(largeBlob->written.value());
clientOutputsMap[cbor::CBORValue("largeBlob")] = cbor::CBORValue(largeBlobMap);
}
auto clientOutputs = cbor::CBORWriter::write(cbor::CBORValue(WTFMove(clientOutputsMap)));
ASSERT(clientOutputs);
return *clientOutputs;
}
} // namespace WebCore
#endif // ENABLE(WEB_AUTHN)
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