gecko-dev/dom/ipc/JSOracleChild.cpp
Sean Feng 81c8e77c0d Bug 1809518 - Use stencil parsing to do the Javascript check for ORB in Utility Process r=farre,smaug,tcampbell
This patch allows JS Validator to parse the incoming data into
stencil to verify if its a Javascript file.

Differential Revision: https://phabricator.services.mozilla.com/D166484
2023-02-28 19:46:09 +00:00

58 lines
1.6 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/JSOracleChild.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/dom/JSValidatorChild.h"
#include "mozilla/dom/PJSValidatorChild.h"
#include "mozilla/ipc/Endpoint.h"
using namespace mozilla::dom;
static mozilla::StaticRefPtr<JSOracleChild> sOracleSingletonChild;
static mozilla::StaticAutoPtr<JSContextHolder> sJSContextHolder;
/* static */
void JSContextHolder::MaybeInit() {
if (!sJSContextHolder) {
sJSContextHolder = new JSContextHolder();
ClearOnShutdown(&sJSContextHolder);
}
}
/* static */
JSContext* JSOracleChild::JSContext() {
MOZ_ASSERT(sJSContextHolder);
return sJSContextHolder->mCx;
}
/* static */
JSObject* JSOracleChild::JSObject() {
MOZ_ASSERT(sJSContextHolder);
return sJSContextHolder->mGlobal;
}
JSOracleChild* JSOracleChild::GetSingleton() {
MOZ_ASSERT(NS_IsMainThread());
if (!sOracleSingletonChild) {
sOracleSingletonChild = new JSOracleChild();
ClearOnShutdown(&sOracleSingletonChild);
}
return sOracleSingletonChild;
}
already_AddRefed<PJSValidatorChild> JSOracleChild::AllocPJSValidatorChild() {
return MakeAndAddRef<JSValidatorChild>();
}
void JSOracleChild::Start(Endpoint<PJSOracleChild>&& aEndpoint) {
DebugOnly<bool> ok = std::move(aEndpoint).Bind(this);
JSContextHolder::MaybeInit();
MOZ_ASSERT(ok);
}