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Diffstat (limited to 'js/xpconnect/src/BackstagePass.h')
-rw-r--r-- | js/xpconnect/src/BackstagePass.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/js/xpconnect/src/BackstagePass.h b/js/xpconnect/src/BackstagePass.h new file mode 100644 index 0000000000..1e6c5531eb --- /dev/null +++ b/js/xpconnect/src/BackstagePass.h @@ -0,0 +1,94 @@ +/* -*- 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 BackstagePass_h__ +#define BackstagePass_h__ + +#include "js/loader/ModuleLoaderBase.h" +#include "mozilla/BasePrincipal.h" +#include "mozilla/SchedulerGroup.h" +#include "mozilla/StorageAccess.h" +#include "nsISupports.h" +#include "nsWeakReference.h" +#include "nsIGlobalObject.h" +#include "nsIScriptObjectPrincipal.h" +#include "nsIXPCScriptable.h" + +#include "js/HeapAPI.h" + +class XPCWrappedNative; + +class BackstagePass final : public nsIGlobalObject, + public nsIScriptObjectPrincipal, + public nsIXPCScriptable, + public nsIClassInfo, + public nsSupportsWeakReference { + public: + BackstagePass(); + + NS_DECL_ISUPPORTS + NS_DECL_NSIXPCSCRIPTABLE + NS_DECL_NSICLASSINFO + + using ModuleLoaderBase = JS::loader::ModuleLoaderBase; + + nsIPrincipal* GetPrincipal() override { return mPrincipal; } + + nsIPrincipal* GetEffectiveCookiePrincipal() override { return mPrincipal; } + + nsIPrincipal* GetEffectiveStoragePrincipal() override { return mPrincipal; } + + nsIPrincipal* PartitionedPrincipal() override { return mPrincipal; } + + mozilla::OriginTrials Trials() const override { return {}; } + + JSObject* GetGlobalJSObject() override; + JSObject* GetGlobalJSObjectPreserveColor() const override; + + ModuleLoaderBase* GetModuleLoader(JSContext* aCx) override { + return mModuleLoader; + } + + mozilla::StorageAccess GetStorageAccess() final { + MOZ_ASSERT(NS_IsMainThread()); + return mozilla::StorageAccess::eAllow; + } + + mozilla::Result<mozilla::ipc::PrincipalInfo, nsresult> GetStorageKey() + override; + + void ForgetGlobalObject() { mWrapper = nullptr; } + + void SetGlobalObject(JSObject* global); + + void InitModuleLoader(ModuleLoaderBase* aModuleLoader) { + MOZ_ASSERT(!mModuleLoader); + mModuleLoader = aModuleLoader; + } + + nsISerialEventTarget* SerialEventTarget() const final { + return mozilla::GetMainThreadSerialEventTarget(); + } + nsresult Dispatch(already_AddRefed<nsIRunnable>&& aRunnable) const final { + return mozilla::SchedulerGroup::Dispatch(std::move(aRunnable)); + } + + bool ShouldResistFingerprinting(RFPTarget aTarget) const override { + // BackstagePass is always the System Principal + MOZ_RELEASE_ASSERT(mPrincipal->IsSystemPrincipal()); + return false; + } + + private: + virtual ~BackstagePass() = default; + + nsCOMPtr<nsIPrincipal> mPrincipal; + XPCWrappedNative* mWrapper; + + RefPtr<JS::loader::ModuleLoaderBase> mModuleLoader; +}; + +#endif // BackstagePass_h__ |