dom/webauthn/AuthenticatorResponse.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 #include "mozilla/Base64.h"
   8 #include "mozilla/dom/AuthenticatorResponse.h"
   9 #include "mozilla/dom/TypedArray.h"
  10 #include "nsPIDOMWindow.h"
  11 #include "nsWrapperCache.h"
  12
  13 namespace mozilla::dom {
  14
  15 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WITH_JS_MEMBERS(
  16     AuthenticatorResponse, (mParent), (mClientDataJSONCachedObj))
  17
  18 NS_IMPL_CYCLE_COLLECTING_ADDREF(AuthenticatorResponse)
  19 NS_IMPL_CYCLE_COLLECTING_RELEASE(AuthenticatorResponse)
  20
  21 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AuthenticatorResponse)
  22   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  23   NS_INTERFACE_MAP_ENTRY(nsISupports)
  24 NS_INTERFACE_MAP_END
  25
  26 AuthenticatorResponse::AuthenticatorResponse(nsPIDOMWindowInner* aParent)
  27     : mParent(aParent), mClientDataJSONCachedObj(nullptr) {
  28   // Call HoldJSObjects() in subclasses.
  29 }
  30
  31 AuthenticatorResponse::~AuthenticatorResponse() {
  32   // Call DropJSObjects() in subclasses.
  33 }
  34
  35 nsISupports* AuthenticatorResponse::GetParentObject() const { return mParent; }
  36
  37 void AuthenticatorResponse::GetClientDataJSON(
  38     JSContext* aCx, JS::MutableHandle<JSObject*> aValue, ErrorResult& aRv) {
  39   if (!mClientDataJSONCachedObj) {
  40     mClientDataJSONCachedObj = ArrayBuffer::Create(aCx, mClientDataJSON);
  41     if (!mClientDataJSONCachedObj) {
  42       aRv.NoteJSContextException(aCx);
  43       return;
  44     }
  45   }
  46   aValue.set(mClientDataJSONCachedObj);
  47 }
  48
  49 void AuthenticatorResponse::SetClientDataJSON(const nsCString& aBuffer) {
  50   mClientDataJSON.Assign(aBuffer);
  51 }
  52
  53 }  // namespace mozilla::dom