/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_SubtleCrypto_h

#define mozilla_dom_SubtleCrypto_h

#include "nsCycleCollectionParticipant.h"

#include "nsWrapperCache.h"

#include "nsIGlobalObject.h"

#include "mozilla/dom/CryptoKey.h"

#include "js/TypeDecls.h"

namespace mozilla {

namespace dom {

class ObjectOrString;

class Promise;

typedef ArrayBufferViewOrArrayBuffer CryptoOperationData;

class SubtleCrypto final : public nsISupports,

                           public nsWrapperCache

{

  ~SubtleCrypto() {}

public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(SubtleCrypto)

public:

  explicit SubtleCrypto(nsIGlobalObject* aParent);

  nsIGlobalObject* GetParentObject() const

  {

    return mParent;

  }

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  already_AddRefed<Promise> Encrypt(JSContext* cx,

                                    const ObjectOrString& algorithm,

                                    CryptoKey& key,

                                    const CryptoOperationData& data,

                                    ErrorResult& aRv);

  already_AddRefed<Promise> Decrypt(JSContext* cx,

                                    const ObjectOrString& algorithm,

                                    CryptoKey& key,

                                    const CryptoOperationData& data,

                                    ErrorResult& aRv);

  already_AddRefed<Promise> Sign(JSContext* cx,

                                 const ObjectOrString& algorithm,

                                 CryptoKey& key,

                                 const CryptoOperationData& data,

                                 ErrorResult& aRv);

  already_AddRefed<Promise> Verify(JSContext* cx,

                                   const ObjectOrString& algorithm,

                                   CryptoKey& key,

                                   const CryptoOperationData& signature,

                                   const CryptoOperationData& data,

                                   ErrorResult& aRv);

  already_AddRefed<Promise> Digest(JSContext* cx,

                                   const ObjectOrString& aAlgorithm,

                                   const CryptoOperationData& aData,

                                   ErrorResult& aRv);

  already_AddRefed<Promise> ImportKey(JSContext* cx,

                                      const nsAString& format,

                                      JS::Handle<JSObject*> keyData,

                                      const ObjectOrString& algorithm,

                                      bool extractable,

                                      const Sequence<nsString>& keyUsages,

                                      ErrorResult& aRv);

  already_AddRefed<Promise> ExportKey(const nsAString& format, CryptoKey& key,

                                      ErrorResult& aRv);

  already_AddRefed<Promise> GenerateKey(JSContext* cx,

                                        const ObjectOrString& algorithm,

                                        bool extractable,

                                        const Sequence<nsString>& keyUsages,

                                        ErrorResult& aRv);

  already_AddRefed<Promise> DeriveKey(JSContext* cx,

                                      const ObjectOrString& algorithm,

                                      CryptoKey& baseKey,

                                      const ObjectOrString& derivedKeyType,

                                      bool extractable,

                                      const Sequence<nsString>& keyUsages,

                                      ErrorResult& aRv);

  already_AddRefed<Promise> DeriveBits(JSContext* cx,

                                       const ObjectOrString& algorithm,

                                       CryptoKey& baseKey,

                                       uint32_t length,

                                       ErrorResult& aRv);

  already_AddRefed<Promise> WrapKey(JSContext* cx,

                                    const nsAString& format,

                                    CryptoKey& key,

                                    CryptoKey& wrappingKey,

                                    const ObjectOrString& wrapAlgorithm,

                                    ErrorResult& aRv);

  already_AddRefed<Promise> UnwrapKey(JSContext* cx,

                                      const nsAString& format,

                                      const ArrayBufferViewOrArrayBuffer& wrappedKey,

                                      CryptoKey& unwrappingKey,

                                      const ObjectOrString& unwrapAlgorithm,

                                      const ObjectOrString& unwrappedKeyAlgorithm,

                                      bool extractable,

                                      const Sequence<nsString>& keyUsages,

                                      ErrorResult& aRv);

private:

  nsCOMPtr<nsIGlobalObject> mParent;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SubtleCrypto_h