1 files changed, 112 insertions, 0 deletions
diff --git a/dom/webauthn/AuthenticatorAssertionResponse.cpp b/dom/webauthn/AuthenticatorAssertionResponse.cpp
new file mode 100644
index 0000000000..a9c5318bf0
--- /dev/null
+++ b/dom/webauthn/AuthenticatorAssertionResponse.cpp
@@ -0,0 +1,112 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/WebAuthenticationBinding.h"
+#include "mozilla/dom/AuthenticatorAssertionResponse.h"
+#include "mozilla/HoldDropJSObjects.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(AuthenticatorAssertionResponse)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(AuthenticatorAssertionResponse,
+                                                AuthenticatorResponse)
+  tmp->mAuthenticatorDataCachedObj = nullptr;
+  tmp->mSignatureCachedObj = nullptr;
+  tmp->mUserHandleCachedObj = nullptr;
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(AuthenticatorAssertionResponse,
+                                               AuthenticatorResponse)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mAuthenticatorDataCachedObj)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mSignatureCachedObj)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mUserHandleCachedObj)
+NS_IMPL_CYCLE_COLLECTION_TRACE_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(
+    AuthenticatorAssertionResponse, AuthenticatorResponse)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_ADDREF_INHERITED(AuthenticatorAssertionResponse, AuthenticatorResponse)
+NS_IMPL_RELEASE_INHERITED(AuthenticatorAssertionResponse, AuthenticatorResponse)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AuthenticatorAssertionResponse)
+NS_INTERFACE_MAP_END_INHERITING(AuthenticatorResponse)
+
+AuthenticatorAssertionResponse::AuthenticatorAssertionResponse(
+    nsPIDOMWindowInner* aParent)
+    : AuthenticatorResponse(aParent),
+      mAuthenticatorDataCachedObj(nullptr),
+      mSignatureCachedObj(nullptr),
+      mUserHandleCachedObj(nullptr) {
+  mozilla::HoldJSObjects(this);
+}
+
+AuthenticatorAssertionResponse::~AuthenticatorAssertionResponse() {
+  mozilla::DropJSObjects(this);
+}
+
+JSObject* AuthenticatorAssertionResponse::WrapObject(
+    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return AuthenticatorAssertionResponse_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void AuthenticatorAssertionResponse::GetAuthenticatorData(
+    JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal) {
+  if (!mAuthenticatorDataCachedObj) {
+    mAuthenticatorDataCachedObj = mAuthenticatorData.ToArrayBuffer(aCx);
+  }
+  aRetVal.set(mAuthenticatorDataCachedObj);
+}
+
+nsresult AuthenticatorAssertionResponse::SetAuthenticatorData(
+    CryptoBuffer& aBuffer) {
+  if (NS_WARN_IF(!mAuthenticatorData.Assign(aBuffer))) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+void AuthenticatorAssertionResponse::GetSignature(
+    JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal) {
+  if (!mSignatureCachedObj) {
+    mSignatureCachedObj = mSignature.ToArrayBuffer(aCx);
+  }
+  aRetVal.set(mSignatureCachedObj);
+}
+
+nsresult AuthenticatorAssertionResponse::SetSignature(CryptoBuffer& aBuffer) {
+  if (NS_WARN_IF(!mSignature.Assign(aBuffer))) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+void AuthenticatorAssertionResponse::GetUserHandle(
+    JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal) {
+  // Per
+  // https://w3c.github.io/webauthn/#ref-for-dom-authenticatorassertionresponse-userhandle%E2%91%A0
+  // this should return null if the handle is unset.
+  if (mUserHandle.IsEmpty()) {
+    aRetVal.set(nullptr);
+  } else {
+    if (!mUserHandleCachedObj) {
+      mUserHandleCachedObj = mUserHandle.ToArrayBuffer(aCx);
+    }
+    aRetVal.set(mUserHandleCachedObj);
+  }
+}
+
+nsresult AuthenticatorAssertionResponse::SetUserHandle(CryptoBuffer& aBuffer) {
+  if (NS_WARN_IF(!mUserHandle.Assign(aBuffer))) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+  return NS_OK;
+}
+
+}  // namespace dom
+}  // namespace mozilla