dom/crypto/CryptoBuffer.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_CryptoBuffer_h
   8 #define mozilla_dom_CryptoBuffer_h
   9
  10 #include "nsTArray.h"
  11 #include "seccomon.h"
  12 #include "mozilla/dom/TypedArray.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 class ArrayBufferViewOrArrayBuffer;
  18 class OwningArrayBufferViewOrArrayBuffer;
  19
  20 class CryptoBuffer : public FallibleTArray<uint8_t>
  21 {
  22 public:
  23   uint8_t* Assign(const CryptoBuffer& aData);
  24   uint8_t* Assign(const uint8_t* aData, uint32_t aLength);
  25   uint8_t* Assign(const SECItem* aItem);
  26   uint8_t* Assign(const ArrayBuffer& aData);
  27   uint8_t* Assign(const ArrayBufferView& aData);
  28   uint8_t* Assign(const ArrayBufferViewOrArrayBuffer& aData);
  29   uint8_t* Assign(const OwningArrayBufferViewOrArrayBuffer& aData);
  30
  31   template<typename T,
  32            JSObject* UnwrapArray(JSObject*),
  33            void GetLengthAndData(JSObject*, uint32_t*, T**)>
  34   uint8_t* Assign(const TypedArray_base<T, UnwrapArray, GetLengthAndData>& aArray)
  35   {
  36     aArray.ComputeLengthAndData();
  37     return Assign(aArray.Data(), aArray.Length());
  38   }
  39
  40   nsresult FromJwkBase64(const nsString& aBase64);
  41   nsresult ToJwkBase64(nsString& aBase64);
  42   bool ToSECItem(PLArenaPool* aArena, SECItem* aItem) const;
  43   JSObject* ToUint8Array(JSContext* aCx) const;
  44
  45   bool GetBigIntValue(unsigned long& aRetVal);
  46 };
  47
  48 } // namespace dom
  49 } // namespace mozilla
  50
  51 #endif // mozilla_dom_CryptoBuffer_h