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/*
* Copyright (C) 2016 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.
*/
#pragma once
#if ENABLE(WEB_CRYPTO)
#include "ContextDestructionObserver.h"
#include "CryptoKeyFormat.h"
#include <JavaScriptCore/Strong.h>
#include <variant>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
#include <wtf/WorkQueue.h>
namespace JSC {
class ArrayBufferView;
class ArrayBuffer;
class CallFrame;
}
namespace WebCore {
struct JsonWebKey;
class BufferSource;
class CryptoKey;
class DeferredPromise;
enum class CryptoAlgorithmIdentifier;
enum class CryptoKeyUsage;
class SubtleCrypto : public ContextDestructionObserver, public RefCounted<SubtleCrypto>, public CanMakeWeakPtr<SubtleCrypto> {
public:
static Ref<SubtleCrypto> create(ScriptExecutionContext* context) { return adoptRef(*new SubtleCrypto(context)); }
static SubtleCrypto* createPtr(ScriptExecutionContext* context) { return new SubtleCrypto(context); }
~SubtleCrypto();
using KeyFormat = CryptoKeyFormat;
using AlgorithmIdentifier = std::variant<JSC::Strong<JSC::JSObject>, String>;
using KeyDataVariant = std::variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>, JsonWebKey>;
void encrypt(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
void decrypt(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
void sign(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
void verify(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& signature, BufferSource&& data, Ref<DeferredPromise>&&);
void digest(JSC::JSGlobalObject&, AlgorithmIdentifier&&, BufferSource&& data, Ref<DeferredPromise>&&);
void generateKey(JSC::JSGlobalObject&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&& keyUsages, Ref<DeferredPromise>&&);
void deriveKey(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey& baseKey, AlgorithmIdentifier&& derivedKeyType, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
void deriveBits(JSC::JSGlobalObject&, AlgorithmIdentifier&&, CryptoKey& baseKey, unsigned length, Ref<DeferredPromise>&&);
void importKey(JSC::JSGlobalObject&, KeyFormat, KeyDataVariant&&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
void exportKey(KeyFormat, CryptoKey&, Ref<DeferredPromise>&&);
void wrapKey(JSC::JSGlobalObject&, KeyFormat, CryptoKey&, CryptoKey& wrappingKey, AlgorithmIdentifier&& wrapAlgorithm, Ref<DeferredPromise>&&);
void unwrapKey(JSC::JSGlobalObject&, KeyFormat, BufferSource&& wrappedKey, CryptoKey& unwrappingKey, AlgorithmIdentifier&& unwrapAlgorithm, AlgorithmIdentifier&& unwrappedKeyAlgorithm, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
private:
explicit SubtleCrypto(ScriptExecutionContext*);
void addAuthenticatedEncryptionWarningIfNecessary(CryptoAlgorithmIdentifier);
inline friend RefPtr<DeferredPromise> getPromise(DeferredPromise*, WeakPtr<SubtleCrypto>);
Ref<WorkQueue> m_workQueue;
HashMap<DeferredPromise*, Ref<DeferredPromise>> m_pendingPromises;
};
}
#endif
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