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/dom/AuthenticatorResponse.h"
   8
   9 #include "nsPIDOMWindow.h"
  10 #include "nsWrapperCache.h"
  11
  12 namespace mozilla::dom {
  13
  14 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WITH_JS_MEMBERS(
  15     AuthenticatorResponse, (mParent), (mClientDataJSONCachedObj))
  16
  17 NS_IMPL_CYCLE_COLLECTING_ADDREF(AuthenticatorResponse)
  18 NS_IMPL_CYCLE_COLLECTING_RELEASE(AuthenticatorResponse)
  19
  20 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AuthenticatorResponse)
  21   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  22   NS_INTERFACE_MAP_ENTRY(nsISupports)
  23 NS_INTERFACE_MAP_END
  24
  25 AuthenticatorResponse::AuthenticatorResponse(nsPIDOMWindowInner* aParent)
  26     : mParent(aParent), mClientDataJSONCachedObj(nullptr) {
  27   // Call HoldJSObjects() in subclasses.
  28 }
  29
  30 AuthenticatorResponse::~AuthenticatorResponse() {
  31   // Call DropJSObjects() in subclasses.
  32 }
  33
  34 nsISupports* AuthenticatorResponse::GetParentObject() const { return mParent; }
  35
  36 void AuthenticatorResponse::GetClientDataJSON(
  37     JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal) {
  38   if (!mClientDataJSONCachedObj) {
  39     mClientDataJSONCachedObj = mClientDataJSON.ToArrayBuffer(aCx);
  40   }
  41   aRetVal.set(mClientDataJSONCachedObj);
  42 }
  43
  44 nsresult AuthenticatorResponse::SetClientDataJSON(CryptoBuffer& aBuffer) {
  45   if (NS_WARN_IF(!mClientDataJSON.Assign(aBuffer))) {
  46     return NS_ERROR_OUT_OF_MEMORY;
  47   }
  48   return NS_OK;
  49 }
  50
  51 }  // namespace mozilla::dom