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/*
* Copyright (C) 2008-2018 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.
*/
#pragma once
#include "CachedResourceClient.h"
#include "CachedResourceHandle.h"
#include "CachedScript.h"
#include "CachedScriptFetcher.h"
#include <JavaScriptCore/SourceProvider.h>
namespace WebCore {
class CachedScriptSourceProvider final : public JSC::SourceProvider, public CachedResourceClient {
WTF_MAKE_TZONE_ALLOCATED(CachedScriptSourceProvider);
public:
static Ref<CachedScriptSourceProvider> create(CachedScript* cachedScript, JSC::SourceProviderSourceType sourceType, Ref<CachedScriptFetcher>&& scriptFetcher) { return adoptRef(*new CachedScriptSourceProvider(cachedScript, sourceType, WTFMove(scriptFetcher))); }
virtual ~CachedScriptSourceProvider()
{
m_cachedScript->removeClient(*this);
}
unsigned hash() const override;
StringView source() const override;
JSC::CodeBlockHash codeBlockHashConcurrently(int startOffset, int endOffset, JSC::CodeSpecializationKind kind) override
{
return m_cachedScript->codeBlockHashConcurrently(startOffset, endOffset, kind, isModuleType() ? CachedScript::ShouldDecodeAsUTF8Only::Yes : CachedScript::ShouldDecodeAsUTF8Only::No);
}
private:
CachedScriptSourceProvider(CachedScript* cachedScript, JSC::SourceProviderSourceType sourceType, Ref<CachedScriptFetcher>&& scriptFetcher)
: SourceProvider(JSC::SourceOrigin { cachedScript->response().url(), WTFMove(scriptFetcher) }, String(cachedScript->response().url().string()), cachedScript->response().isRedirected() ? String(cachedScript->url().string()) : String(), cachedScript->requiresPrivacyProtections() ? JSC::SourceTaintedOrigin::KnownTainted : JSC::SourceTaintedOrigin::Untainted, TextPosition(), sourceType)
, m_cachedScript(cachedScript)
{
m_cachedScript->addClient(*this);
}
CachedResourceHandle<CachedScript> m_cachedScript;
};
inline unsigned CachedScriptSourceProvider::hash() const
{
// Modules should always be decoded as UTF-8.
// https://html.spec.whatwg.org/multipage/webappapis.html#fetch-a-single-module-script
return m_cachedScript->scriptHash(isModuleType() ? CachedScript::ShouldDecodeAsUTF8Only::Yes : CachedScript::ShouldDecodeAsUTF8Only::No);
}
inline StringView CachedScriptSourceProvider::source() const
{
// Modules should always be decoded as UTF-8.
// https://html.spec.whatwg.org/multipage/webappapis.html#fetch-a-single-module-script
return m_cachedScript->script(isModuleType() ? CachedScript::ShouldDecodeAsUTF8Only::Yes : CachedScript::ShouldDecodeAsUTF8Only::No);
}
} // namespace WebCore
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