gecko-dev/dom/webauthn/AuthenticatorAssertionResponse.cpp

111 lines
3.9 KiB
C++

/* -*- 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::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 mozilla::dom