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https://github.com/mozilla/gecko-dev.git
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eac76d9772
This patch removes support for mozapp iframes, leaving support for mozbrowser iframes intact. Some of the code has been rewritten in order to phrase things in terms of mozbrowser only, as opposed to mozbrowser or app. In some places, code that was only useful with apps has been completely removed, so that the APIs consumed can also be removed. In some places where the notion of appId was bleeding out of this API, now we use NO_APP_ID. Other notions of appId which were restricted to this API have been removed.
183 lines
4.5 KiB
C++
183 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "Presentation.h"
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#include <ctype.h>
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#include "mozilla/dom/PresentationBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "nsContentUtils.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIDocShell.h"
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#include "nsIPresentationService.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsJSUtils.h"
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#include "nsNetUtil.h"
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#include "nsPIDOMWindow.h"
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#include "nsSandboxFlags.h"
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#include "nsServiceManagerUtils.h"
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#include "PresentationReceiver.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Presentation,
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mWindow,
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mDefaultRequest, mReceiver)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(Presentation)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(Presentation)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Presentation)
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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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/* static */ already_AddRefed<Presentation>
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Presentation::Create(nsPIDOMWindowInner* aWindow)
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{
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RefPtr<Presentation> presentation = new Presentation(aWindow);
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return presentation.forget();
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}
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Presentation::Presentation(nsPIDOMWindowInner* aWindow)
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: mWindow(aWindow)
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{
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}
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Presentation::~Presentation()
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{
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}
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/* virtual */ JSObject*
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Presentation::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return PresentationBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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Presentation::SetDefaultRequest(PresentationRequest* aRequest)
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{
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nsCOMPtr<nsIDocument> doc = mWindow ? mWindow->GetExtantDoc() : nullptr;
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if (NS_WARN_IF(!doc)) {
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return;
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}
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if (doc->GetSandboxFlags() & SANDBOXED_PRESENTATION) {
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return;
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}
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mDefaultRequest = aRequest;
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}
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already_AddRefed<PresentationRequest>
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Presentation::GetDefaultRequest() const
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{
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RefPtr<PresentationRequest> request = mDefaultRequest;
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return request.forget();
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}
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already_AddRefed<PresentationReceiver>
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Presentation::GetReceiver()
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{
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// return the same receiver if already created
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if (mReceiver) {
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RefPtr<PresentationReceiver> receiver = mReceiver;
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return receiver.forget();
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}
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if (!HasReceiverSupport() || !IsInPresentedContent()) {
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return nullptr;
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}
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mReceiver = PresentationReceiver::Create(mWindow);
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if (NS_WARN_IF(!mReceiver)) {
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MOZ_ASSERT(mReceiver);
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return nullptr;
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}
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RefPtr<PresentationReceiver> receiver = mReceiver;
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return receiver.forget();
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}
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void
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Presentation::SetStartSessionUnsettled(bool aIsUnsettled)
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{
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mStartSessionUnsettled = aIsUnsettled;
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}
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bool
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Presentation::IsStartSessionUnsettled() const
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{
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return mStartSessionUnsettled;
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}
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bool
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Presentation::HasReceiverSupport() const
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{
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if (!mWindow) {
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return false;
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}
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// Grant access to browser receiving pages and their same-origin iframes. (App
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// pages should be controlled by "presentation" permission in app manifests.)
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nsCOMPtr<nsIDocShell> docShell = mWindow->GetDocShell();
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if (!docShell) {
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return false;
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}
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if (!Preferences::GetBool("dom.presentation.testing.simulate-receiver") &&
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!docShell->GetIsInMozBrowser() &&
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!docShell->GetIsTopLevelContentDocShell()) {
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return false;
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}
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nsAutoString presentationURL;
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nsContentUtils::GetPresentationURL(docShell, presentationURL);
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if (presentationURL.IsEmpty()) {
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return false;
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}
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nsCOMPtr<nsIScriptSecurityManager> securityManager =
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nsContentUtils::GetSecurityManager();
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if (!securityManager) {
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return false;
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}
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nsCOMPtr<nsIURI> presentationURI;
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nsresult rv = NS_NewURI(getter_AddRefs(presentationURI), presentationURL);
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if (NS_FAILED(rv)) {
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return false;
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}
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nsCOMPtr<nsIURI> docURI = mWindow->GetDocumentURI();
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return NS_SUCCEEDED(securityManager->CheckSameOriginURI(presentationURI,
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docURI,
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false));
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}
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bool
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Presentation::IsInPresentedContent() const
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{
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if (!mWindow) {
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return false;
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}
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nsCOMPtr<nsIDocShell> docShell = mWindow->GetDocShell();
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MOZ_ASSERT(docShell);
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nsAutoString presentationURL;
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nsContentUtils::GetPresentationURL(docShell, presentationURL);
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return !presentationURL.IsEmpty();
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}
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} // namespace dom
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} // namespace mozilla
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