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-rw-r--r--js/xpconnect/src/SandboxPrivate.h128
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diff --git a/js/xpconnect/src/SandboxPrivate.h b/js/xpconnect/src/SandboxPrivate.h
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+/* -*- 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/. */
+
+#ifndef __SANDBOXPRIVATE_H__
+#define __SANDBOXPRIVATE_H__
+
+#include "mozilla/SchedulerGroup.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/StorageAccess.h"
+#include "mozilla/WeakPtr.h"
+#include "mozilla/net/CookieJarSettings.h"
+#include "nsContentUtils.h"
+#include "nsIGlobalObject.h"
+#include "nsIScriptObjectPrincipal.h"
+#include "nsIPrincipal.h"
+#include "nsWeakReference.h"
+#include "nsWrapperCache.h"
+
+#include "js/loader/ModuleLoaderBase.h"
+
+#include "js/Object.h" // JS::GetPrivate, JS::SetPrivate
+#include "js/RootingAPI.h"
+
+class SandboxPrivate final : public nsIGlobalObject,
+ public nsIScriptObjectPrincipal,
+ public nsSupportsWeakReference,
+ public mozilla::SupportsWeakPtr,
+ public nsWrapperCache {
+ public:
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS_AMBIGUOUS(SandboxPrivate,
+ nsIGlobalObject)
+
+ static void Create(nsIPrincipal* principal, JS::Handle<JSObject*> global) {
+ RefPtr<SandboxPrivate> sbp = new SandboxPrivate(principal);
+ sbp->SetWrapper(global);
+ sbp->PreserveWrapper(ToSupports(sbp.get()));
+
+ // Pass on ownership of sbp to |global|.
+ // The type used to cast to void needs to match the one in GetPrivate.
+ nsIScriptObjectPrincipal* sop =
+ static_cast<nsIScriptObjectPrincipal*>(sbp.forget().take());
+ JS::SetObjectISupports(global, sop);
+
+ JS::SetRealmReduceTimerPrecisionCallerType(
+ js::GetNonCCWObjectRealm(global),
+ RTPCallerTypeToToken(GetPrivate(global)->GetRTPCallerType()));
+ }
+
+ static SandboxPrivate* GetPrivate(JSObject* obj) {
+ // The type used to cast to void needs to match the one in Create.
+ nsIScriptObjectPrincipal* sop =
+ JS::GetObjectISupports<nsIScriptObjectPrincipal>(obj);
+ return static_cast<SandboxPrivate*>(sop);
+ }
+
+ mozilla::OriginTrials Trials() const final { return {}; }
+
+ nsIPrincipal* GetPrincipal() override { return mPrincipal; }
+
+ nsIPrincipal* GetEffectiveCookiePrincipal() override { return mPrincipal; }
+
+ nsIPrincipal* GetEffectiveStoragePrincipal() override { return mPrincipal; }
+
+ nsIPrincipal* PartitionedPrincipal() override { return mPrincipal; }
+
+ JSObject* GetGlobalJSObject() override { return GetWrapper(); }
+ JSObject* GetGlobalJSObjectPreserveColor() const override {
+ return GetWrapperPreserveColor();
+ }
+
+ mozilla::StorageAccess GetStorageAccess() final {
+ MOZ_ASSERT(NS_IsMainThread());
+ if (mozilla::StaticPrefs::dom_serviceWorkers_testing_enabled()) {
+ // XXX: This is a hack to workaround bug 1732159 and is not intended
+ return mozilla::StorageAccess::eAllow;
+ }
+ nsCOMPtr<nsICookieJarSettings> cookieJarSettings =
+ mozilla::net::CookieJarSettings::Create(mPrincipal);
+ return mozilla::StorageAllowedForServiceWorker(mPrincipal,
+ cookieJarSettings);
+ }
+
+ void ForgetGlobalObject(JSObject* obj) { ClearWrapper(obj); }
+
+ nsISerialEventTarget* SerialEventTarget() const final {
+ return mozilla::GetMainThreadSerialEventTarget();
+ }
+ nsresult Dispatch(already_AddRefed<nsIRunnable>&& aRunnable) const final {
+ return mozilla::SchedulerGroup::Dispatch(std::move(aRunnable));
+ }
+
+ virtual JSObject* WrapObject(JSContext* cx,
+ JS::Handle<JSObject*> aGivenProto) override {
+ MOZ_CRASH("SandboxPrivate doesn't use DOM bindings!");
+ }
+
+ JS::loader::ModuleLoaderBase* GetModuleLoader(JSContext* aCx) override;
+
+ mozilla::Result<mozilla::ipc::PrincipalInfo, nsresult> GetStorageKey()
+ override;
+
+ size_t ObjectMoved(JSObject* obj, JSObject* old) {
+ UpdateWrapper(obj, old);
+ return 0;
+ }
+
+ bool ShouldResistFingerprinting(RFPTarget aTarget) const override {
+ return nsContentUtils::ShouldResistFingerprinting(
+ "Presently we don't have enough context to make an informed decision"
+ "on JS Sandboxes. See 1782853",
+ aTarget);
+ }
+
+ private:
+ explicit SandboxPrivate(nsIPrincipal* principal) : mPrincipal(principal) {}
+
+ virtual ~SandboxPrivate() = default;
+
+ nsCOMPtr<nsIPrincipal> mPrincipal;
+
+ RefPtr<JS::loader::ModuleLoaderBase> mModuleLoader;
+};
+
+#endif // __SANDBOXPRIVATE_H__