Source/WebCore/bindings/js/JSCryptoKeySerializationJWK.h

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#ifndef JSCryptoKeySerializationJWK_h
#define JSCryptoKeySerializationJWK_h

#include "CryptoKeySerialization.h"
#include <heap/Strong.h>
#include <wtf/text/WTFString.h>

#if ENABLE(SUBTLE_CRYPTO)

namespace JSC {
class ExecState;
class JSObject;
}

namespace WebCore {

class CryptoAlgorithmParametersDeprecated;
class CryptoKey;
class CryptoKeyDataRSAComponents;

class JSCryptoKeySerializationJWK final : public CryptoKeySerialization {
WTF_MAKE_NONCOPYABLE(JSCryptoKeySerializationJWK);
public:
    JSCryptoKeySerializationJWK(JSC::ExecState*, const String&);
    virtual ~JSCryptoKeySerializationJWK();

    static String serialize(JSC::ExecState* exec, const CryptoKey&);

private:
    Optional<CryptoAlgorithmPair> reconcileAlgorithm(CryptoAlgorithm*, CryptoAlgorithmParametersDeprecated*) const override;

    void reconcileUsages(CryptoKeyUsage&) const override;
    void reconcileExtractable(bool&) const override;

    std::unique_ptr<CryptoKeyData> keyData() const override;

    bool keySizeIsValid(size_t sizeInBits) const;
    std::unique_ptr<CryptoKeyData> keyDataOctetSequence() const;
    std::unique_ptr<CryptoKeyData> keyDataRSAComponents() const;

    JSC::ExecState* m_exec;
    JSC::Strong<JSC::JSObject> m_json;

    mutable String m_jwkAlgorithmName; // Stored when reconcileAlgorithm is called, and used later.
};

}

#endif // ENABLE(SUBTLE_CRYPTO)
#endif // JSCryptoKeySerializationJWK_h