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1459fc9f1f
Depends on D99887 Differential Revision: https://phabricator.services.mozilla.com/D104707
81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ExtensionBrowser.h"
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#include "mozilla/dom/ExtensionBrowserBinding.h"
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#include "mozilla/dom/WorkerPrivate.h" // GetWorkerPrivateFromContext
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#include "mozilla/extensions/ExtensionMockAPI.h"
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#include "mozilla/extensions/WebExtensionPolicy.h"
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namespace mozilla {
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namespace extensions {
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NS_IMPL_CYCLE_COLLECTING_ADDREF(ExtensionBrowser);
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NS_IMPL_CYCLE_COLLECTING_RELEASE(ExtensionBrowser)
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(ExtensionBrowser, mGlobal,
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mExtensionMockAPI);
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ExtensionBrowser)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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ExtensionBrowser::ExtensionBrowser(nsIGlobalObject* aGlobal)
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: mGlobal(aGlobal) {
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MOZ_DIAGNOSTIC_ASSERT(mGlobal);
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}
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JSObject* ExtensionBrowser::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return dom::ExtensionBrowser_Binding::Wrap(aCx, this, aGivenProto);
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}
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nsIGlobalObject* ExtensionBrowser::GetParentObject() const { return mGlobal; }
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bool ExtensionAPIAllowed(JSContext* aCx, JSObject* aGlobal) {
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#ifdef MOZ_WEBEXT_WEBIDL_ENABLED
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// Only expose the Extension API bindings if:
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// - the context is related to a worker where the Extension API are allowed
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// (currently only the extension service worker declared in the extension
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// manifest met this condition)
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// - the global is an extension window or an extension content script sandbox
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// TODO:
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// - the support for the extension window is deferred to a followup.
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// - support for the content script sandboxes is also deferred to follow-ups
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// - lock native Extension API in an extension window or sandbox behind a
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// separate pref.
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MOZ_DIAGNOSTIC_ASSERT(
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!NS_IsMainThread(),
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"ExtensionAPI webidl bindings does not yet support main thread globals");
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// Verify if the Extensions API should be allowed on a worker thread.
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if (!StaticPrefs::extensions_backgroundServiceWorker_enabled_AtStartup()) {
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return false;
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}
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auto* workerPrivate = mozilla::dom::GetWorkerPrivateFromContext(aCx);
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MOZ_ASSERT(workerPrivate);
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MOZ_ASSERT(workerPrivate->IsServiceWorker());
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return workerPrivate->ExtensionAPIAllowed();
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#else
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// Always return false on build where MOZ_WEBEXT_WEBIDL_ENABLED is set to
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// false (currently on all channels but nightly).
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return false;
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#endif
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}
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ExtensionMockAPI* ExtensionBrowser::GetExtensionMockAPI() {
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if (!mExtensionMockAPI) {
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mExtensionMockAPI = new ExtensionMockAPI(mGlobal, this);
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}
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return mExtensionMockAPI;
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}
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} // namespace extensions
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} // namespace mozilla
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