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/*
* Copyright (C) 2024 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. ``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
* 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 "WebCryptoClient.h"
#include "WebPage.h"
#include "WebPageProxyMessages.h"
#include "WebProcess.h"
#include "WebProcessProxyMessages.h"
#include <WebCore/SerializedCryptoKeyWrap.h>
#include <WebCore/WrappedCryptoKey.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(WebCryptoClient);
std::optional<Vector<uint8_t>> WebCryptoClient::wrapCryptoKey(const Vector<uint8_t>& key) const
{
if (m_pageIdentifier) {
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::WrapCryptoKey(key), *m_pageIdentifier);
auto [wrappedKey] = sendResult.takeReplyOr(std::nullopt);
return wrappedKey;
}
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebProcessProxy::WrapCryptoKey(key), 0);
auto [wrappedKey] = sendResult.takeReplyOr(std::nullopt);
return wrappedKey;
}
std::optional<Vector<uint8_t>> WebCryptoClient::serializeAndWrapCryptoKey(WebCore::CryptoKeyData&& keyData) const
{
if (m_pageIdentifier) {
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::SerializeAndWrapCryptoKey(WTFMove(keyData)), *m_pageIdentifier);
auto [wrappedKey] = sendResult.takeReplyOr(std::nullopt);
return wrappedKey;
}
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebProcessProxy::SerializeAndWrapCryptoKey(WTFMove(keyData)), 0);
auto [wrappedKey] = sendResult.takeReplyOr(std::nullopt);
return wrappedKey;
}
std::optional<Vector<uint8_t>> WebCryptoClient::unwrapCryptoKey(const Vector<uint8_t>& wrappedKey) const
{
auto deserializedKey = WebCore::readSerializedCryptoKey(wrappedKey);
if (!deserializedKey)
return std::nullopt;
if (m_pageIdentifier) {
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebPageProxy::UnwrapCryptoKey(*deserializedKey), *m_pageIdentifier);
auto [unwrappedKey] = sendResult.takeReplyOr(std::nullopt);
return unwrappedKey;
}
auto sendResult = WebProcess::singleton().parentProcessConnection()->sendSync(Messages::WebProcessProxy::UnwrapCryptoKey(*deserializedKey), 0);
auto [unwrappedKey] = sendResult.takeReplyOr(std::nullopt);
return unwrappedKey;
}
WebCryptoClient::WebCryptoClient(WebCore::PageIdentifier pageIdentifier)
: m_pageIdentifier(pageIdentifier)
{
}
}
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