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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/. */
#include "ExtensionBrowser.h"
#include "mozilla/dom/ExtensionBrowserBinding.h"
#include "mozilla/dom/WorkerPrivate.h" // GetWorkerPrivateFromContext
#include "mozilla/extensions/ExtensionMockAPI.h"
#include "mozilla/extensions/WebExtensionPolicy.h"
namespace mozilla {
namespace extensions {
NS_IMPL_CYCLE_COLLECTING_ADDREF(ExtensionBrowser);
NS_IMPL_CYCLE_COLLECTING_RELEASE(ExtensionBrowser)
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(ExtensionBrowser, mGlobal,
mExtensionMockAPI);
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ExtensionBrowser)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
ExtensionBrowser::ExtensionBrowser(nsIGlobalObject* aGlobal)
: mGlobal(aGlobal) {
MOZ_DIAGNOSTIC_ASSERT(mGlobal);
}
JSObject* ExtensionBrowser::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return dom::ExtensionBrowser_Binding::Wrap(aCx, this, aGivenProto);
}
nsIGlobalObject* ExtensionBrowser::GetParentObject() const { return mGlobal; }
bool ExtensionAPIAllowed(JSContext* aCx, JSObject* aGlobal) {
#ifdef MOZ_WEBEXT_WEBIDL_ENABLED
// Only expose the Extension API bindings if:
// - the context is related to a worker where the Extension API are allowed
// (currently only the extension service worker declared in the extension
// manifest met this condition)
// - the global is an extension window or an extension content script sandbox
// TODO:
// - the support for the extension window is deferred to a followup.
// - support for the content script sandboxes is also deferred to follow-ups
// - lock native Extension API in an extension window or sandbox behind a
// separate pref.
MOZ_DIAGNOSTIC_ASSERT(
!NS_IsMainThread(),
"ExtensionAPI webidl bindings does not yet support main thread globals");
// Verify if the Extensions API should be allowed on a worker thread.
if (!StaticPrefs::extensions_backgroundServiceWorker_enabled_AtStartup()) {
return false;
}
auto* workerPrivate = mozilla::dom::GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
MOZ_ASSERT(workerPrivate->IsServiceWorker());
return workerPrivate->ExtensionAPIAllowed();
#else
// Always return false on build where MOZ_WEBEXT_WEBIDL_ENABLED is set to
// false (currently on all channels but nightly).
return false;
#endif
}
ExtensionMockAPI* ExtensionBrowser::GetExtensionMockAPI() {
if (!mExtensionMockAPI) {
mExtensionMockAPI = new ExtensionMockAPI(mGlobal, this);
}
return mExtensionMockAPI;
}
} // namespace extensions
} // namespace mozilla
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