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/*
* Copyright (C) 2015 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 "WebCompiledContentRuleListData.h"
#if ENABLE(CONTENT_EXTENSIONS)
#include "ArgumentCoders.h"
namespace WebKit {
static size_t ruleListDataSize(size_t topURLFiltersBytecodeOffset, size_t topURLFiltersBytecodeSize)
{
return topURLFiltersBytecodeOffset + topURLFiltersBytecodeSize;
}
std::optional<WebCore::SharedMemoryHandle> WebCompiledContentRuleListData::createDataHandle(WebCore::SharedMemory::Protection protection) const
{
return data->createHandle(protection);
}
WebCompiledContentRuleListData::WebCompiledContentRuleListData(String&& identifier, std::optional<WebCore::SharedMemoryHandle>&& dataHandle, size_t actionsOffset, size_t actionsSize, size_t urlFiltersBytecodeOffset, size_t urlFiltersBytecodeSize, size_t topURLFiltersBytecodeOffset, size_t topURLFiltersBytecodeSize, size_t frameURLFiltersBytecodeOffset, size_t frameURLFiltersBytecodeSize)
: identifier(WTFMove(identifier))
, data(dataHandle ? WebCore::SharedMemory::map(WTFMove(*dataHandle), WebCore::SharedMemory::Protection::ReadOnly) : nullptr)
, actionsOffset(actionsOffset)
, actionsSize(actionsSize)
, urlFiltersBytecodeOffset(urlFiltersBytecodeOffset)
, urlFiltersBytecodeSize(urlFiltersBytecodeSize)
, topURLFiltersBytecodeOffset(topURLFiltersBytecodeOffset)
, topURLFiltersBytecodeSize(topURLFiltersBytecodeSize)
, frameURLFiltersBytecodeOffset(frameURLFiltersBytecodeOffset)
, frameURLFiltersBytecodeSize(frameURLFiltersBytecodeSize)
{
if (data) {
if (data->size() < ruleListDataSize(actionsOffset, actionsSize)
|| data->size() < ruleListDataSize(urlFiltersBytecodeOffset, urlFiltersBytecodeSize)
|| data->size() < ruleListDataSize(topURLFiltersBytecodeOffset, topURLFiltersBytecodeSize)
|| data->size() < ruleListDataSize(frameURLFiltersBytecodeOffset, frameURLFiltersBytecodeSize)) {
ASSERT_NOT_REACHED();
data = nullptr;
}
}
}
} // namespace WebKit
#endif // ENABLE(CONTENT_EXTENSIONS)
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