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Diffstat (limited to 'dom/presentation/PresentationRequest.cpp')
| -rw-r--r-- | dom/presentation/PresentationRequest.cpp | 563 |
1 files changed, 0 insertions, 563 deletions
diff --git a/dom/presentation/PresentationRequest.cpp b/dom/presentation/PresentationRequest.cpp deleted file mode 100644 index 221684e53..000000000 --- a/dom/presentation/PresentationRequest.cpp +++ /dev/null @@ -1,563 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim:set ts=2 sw=2 sts=2 et cindent: */ -/* 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 "PresentationRequest.h" - -#include "AvailabilityCollection.h" -#include "ControllerConnectionCollection.h" -#include "mozilla/BasePrincipal.h" -#include "mozilla/dom/Navigator.h" -#include "mozilla/dom/PresentationRequestBinding.h" -#include "mozilla/dom/PresentationConnectionAvailableEvent.h" -#include "mozilla/dom/Promise.h" -#include "mozilla/Move.h" -#include "mozIThirdPartyUtil.h" -#include "nsContentSecurityManager.h" -#include "nsCycleCollectionParticipant.h" -#include "nsGlobalWindow.h" -#include "nsIDocument.h" -#include "nsIPresentationService.h" -#include "nsIURI.h" -#include "nsIUUIDGenerator.h" -#include "nsNetUtil.h" -#include "nsSandboxFlags.h" -#include "nsServiceManagerUtils.h" -#include "Presentation.h" -#include "PresentationAvailability.h" -#include "PresentationCallbacks.h" -#include "PresentationLog.h" -#include "PresentationTransportBuilderConstructor.h" - -using namespace mozilla; -using namespace mozilla::dom; - -NS_IMPL_ADDREF_INHERITED(PresentationRequest, DOMEventTargetHelper) -NS_IMPL_RELEASE_INHERITED(PresentationRequest, DOMEventTargetHelper) - -NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(PresentationRequest) -NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper) - -static nsresult -GetAbsoluteURL(const nsAString& aUrl, - nsIURI* aBaseUri, - nsIDocument* aDocument, - nsAString& aAbsoluteUrl) -{ - nsCOMPtr<nsIURI> uri; - nsresult rv = NS_NewURI(getter_AddRefs(uri), - aUrl, - aDocument ? aDocument->GetDocumentCharacterSet().get() - : nullptr, - aBaseUri); - - if (NS_FAILED(rv)) { - return rv; - } - - nsAutoCString spec; - uri->GetSpec(spec); - - aAbsoluteUrl = NS_ConvertUTF8toUTF16(spec); - - return NS_OK; -} - -/* static */ already_AddRefed<PresentationRequest> -PresentationRequest::Constructor(const GlobalObject& aGlobal, - const nsAString& aUrl, - ErrorResult& aRv) -{ - Sequence<nsString> urls; - urls.AppendElement(aUrl, fallible); - return Constructor(aGlobal, urls, aRv); -} - -/* static */ already_AddRefed<PresentationRequest> -PresentationRequest::Constructor(const GlobalObject& aGlobal, - const Sequence<nsString>& aUrls, - ErrorResult& aRv) -{ - nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports()); - if (!window) { - aRv.Throw(NS_ERROR_UNEXPECTED); - return nullptr; - } - - if (aUrls.IsEmpty()) { - aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR); - return nullptr; - } - - // Resolve relative URL to absolute URL - nsCOMPtr<nsIURI> baseUri = window->GetDocBaseURI(); - nsTArray<nsString> urls; - for (const auto& url : aUrls) { - nsAutoString absoluteUrl; - nsresult rv = - GetAbsoluteURL(url, baseUri, window->GetExtantDoc(), absoluteUrl); - if (NS_WARN_IF(NS_FAILED(rv))) { - aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR); - return nullptr; - } - - urls.AppendElement(absoluteUrl); - } - - RefPtr<PresentationRequest> request = - new PresentationRequest(window, Move(urls)); - return NS_WARN_IF(!request->Init()) ? nullptr : request.forget(); -} - -PresentationRequest::PresentationRequest(nsPIDOMWindowInner* aWindow, - nsTArray<nsString>&& aUrls) - : DOMEventTargetHelper(aWindow) - , mUrls(Move(aUrls)) -{ -} - -PresentationRequest::~PresentationRequest() -{ -} - -bool -PresentationRequest::Init() -{ - return true; -} - -/* virtual */ JSObject* -PresentationRequest::WrapObject(JSContext* aCx, - JS::Handle<JSObject*> aGivenProto) -{ - return PresentationRequestBinding::Wrap(aCx, this, aGivenProto); -} - -already_AddRefed<Promise> -PresentationRequest::Start(ErrorResult& aRv) -{ - return StartWithDevice(NullString(), aRv); -} - -already_AddRefed<Promise> -PresentationRequest::StartWithDevice(const nsAString& aDeviceId, - ErrorResult& aRv) -{ - nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner()); - if (NS_WARN_IF(!global)) { - aRv.Throw(NS_ERROR_UNEXPECTED); - return nullptr; - } - - // Get the origin. - nsAutoString origin; - nsresult rv = nsContentUtils::GetUTFOrigin(global->PrincipalOrNull(), origin); - if (NS_WARN_IF(NS_FAILED(rv))) { - aRv.Throw(rv); - return nullptr; - } - - nsCOMPtr<nsIDocument> doc = GetOwner()->GetExtantDoc(); - if (NS_WARN_IF(!doc)) { - aRv.Throw(NS_ERROR_FAILURE); - return nullptr; - } - - RefPtr<Promise> promise = Promise::Create(global, aRv); - if (NS_WARN_IF(aRv.Failed())) { - return nullptr; - } - - if (IsProhibitMixedSecurityContexts(doc) && - !IsAllURLAuthenticated()) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - if (doc->GetSandboxFlags() & SANDBOXED_PRESENTATION) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - RefPtr<Navigator> navigator = - nsGlobalWindow::Cast(GetOwner())->GetNavigator(aRv); - if (NS_WARN_IF(aRv.Failed())) { - return nullptr; - } - - RefPtr<Presentation> presentation = navigator->GetPresentation(aRv); - if (NS_WARN_IF(aRv.Failed())) { - return nullptr; - } - - if (presentation->IsStartSessionUnsettled()) { - promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return promise.forget(); - } - - // Generate a session ID. - nsCOMPtr<nsIUUIDGenerator> uuidgen = - do_GetService("@mozilla.org/uuid-generator;1"); - if(NS_WARN_IF(!uuidgen)) { - promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return promise.forget(); - } - - nsID uuid; - uuidgen->GenerateUUIDInPlace(&uuid); - char buffer[NSID_LENGTH]; - uuid.ToProvidedString(buffer); - nsAutoString id; - CopyASCIItoUTF16(buffer, id); - - nsCOMPtr<nsIPresentationService> service = - do_GetService(PRESENTATION_SERVICE_CONTRACTID); - if(NS_WARN_IF(!service)) { - promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return promise.forget(); - } - - presentation->SetStartSessionUnsettled(true); - - // Get xul:browser element in parent process or nsWindowRoot object in child - // process. If it's in child process, the corresponding xul:browser element - // will be obtained at PresentationRequestParent::DoRequest in its parent - // process. - nsCOMPtr<nsIDOMEventTarget> handler = - do_QueryInterface(GetOwner()->GetChromeEventHandler()); - nsCOMPtr<nsIPrincipal> principal = doc->NodePrincipal(); - nsCOMPtr<nsIPresentationServiceCallback> callback = - new PresentationRequesterCallback(this, id, promise); - nsCOMPtr<nsIPresentationTransportBuilderConstructor> constructor = - PresentationTransportBuilderConstructor::Create(); - rv = service->StartSession(mUrls, - id, - origin, - aDeviceId, - GetOwner()->WindowID(), - handler, - principal, - callback, - constructor); - if (NS_WARN_IF(NS_FAILED(rv))) { - promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - NotifyPromiseSettled(); - } - - return promise.forget(); -} - -already_AddRefed<Promise> -PresentationRequest::Reconnect(const nsAString& aPresentationId, - ErrorResult& aRv) -{ - nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner()); - if (NS_WARN_IF(!global)) { - aRv.Throw(NS_ERROR_UNEXPECTED); - return nullptr; - } - - nsCOMPtr<nsIDocument> doc = GetOwner()->GetExtantDoc(); - if (NS_WARN_IF(!doc)) { - aRv.Throw(NS_ERROR_FAILURE); - return nullptr; - } - - RefPtr<Promise> promise = Promise::Create(global, aRv); - if (NS_WARN_IF(aRv.Failed())) { - return nullptr; - } - - if (IsProhibitMixedSecurityContexts(doc) && - !IsAllURLAuthenticated()) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - if (doc->GetSandboxFlags() & SANDBOXED_PRESENTATION) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - nsString presentationId = nsString(aPresentationId); - nsCOMPtr<nsIRunnable> r = - NewRunnableMethod<nsString, RefPtr<Promise>>( - this, - &PresentationRequest::FindOrCreatePresentationConnection, - presentationId, - promise); - - if (NS_WARN_IF(NS_FAILED(NS_DispatchToMainThread(r)))) { - promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - } - - return promise.forget(); -} - -void -PresentationRequest::FindOrCreatePresentationConnection( - const nsAString& aPresentationId, - Promise* aPromise) -{ - MOZ_ASSERT(aPromise); - - if (NS_WARN_IF(!GetOwner())) { - aPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return; - } - - RefPtr<PresentationConnection> connection = - ControllerConnectionCollection::GetSingleton()->FindConnection( - GetOwner()->WindowID(), - aPresentationId, - nsIPresentationService::ROLE_CONTROLLER); - - if (connection) { - nsAutoString url; - connection->GetUrl(url); - if (mUrls.Contains(url)) { - switch (connection->State()) { - case PresentationConnectionState::Closed: - // We found the matched connection. - break; - case PresentationConnectionState::Connecting: - case PresentationConnectionState::Connected: - aPromise->MaybeResolve(connection); - return; - case PresentationConnectionState::Terminated: - // A terminated connection cannot be reused. - connection = nullptr; - break; - default: - MOZ_CRASH("Unknown presentation session state."); - return; - } - } else { - connection = nullptr; - } - } - - nsCOMPtr<nsIPresentationService> service = - do_GetService(PRESENTATION_SERVICE_CONTRACTID); - if(NS_WARN_IF(!service)) { - aPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return; - } - - nsCOMPtr<nsIPresentationServiceCallback> callback = - new PresentationReconnectCallback(this, - aPresentationId, - aPromise, - connection); - - nsresult rv = - service->ReconnectSession(mUrls, - aPresentationId, - nsIPresentationService::ROLE_CONTROLLER, - callback); - if (NS_WARN_IF(NS_FAILED(rv))) { - aPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - } -} - -already_AddRefed<Promise> -PresentationRequest::GetAvailability(ErrorResult& aRv) -{ - PRES_DEBUG("%s\n", __func__); - nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner()); - if (NS_WARN_IF(!global)) { - aRv.Throw(NS_ERROR_UNEXPECTED); - return nullptr; - } - - nsCOMPtr<nsIDocument> doc = GetOwner()->GetExtantDoc(); - if (NS_WARN_IF(!doc)) { - aRv.Throw(NS_ERROR_FAILURE); - return nullptr; - } - - RefPtr<Promise> promise = Promise::Create(global, aRv); - if (NS_WARN_IF(aRv.Failed())) { - return nullptr; - } - - if (IsProhibitMixedSecurityContexts(doc) && - !IsAllURLAuthenticated()) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - if (doc->GetSandboxFlags() & SANDBOXED_PRESENTATION) { - promise->MaybeReject(NS_ERROR_DOM_SECURITY_ERR); - return promise.forget(); - } - - FindOrCreatePresentationAvailability(promise); - - return promise.forget(); -} - -void -PresentationRequest::FindOrCreatePresentationAvailability(RefPtr<Promise>& aPromise) -{ - MOZ_ASSERT(aPromise); - - if (NS_WARN_IF(!GetOwner())) { - aPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return; - } - - AvailabilityCollection* collection = AvailabilityCollection::GetSingleton(); - if (NS_WARN_IF(!collection)) { - aPromise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR); - return; - } - - RefPtr<PresentationAvailability> availability = - collection->Find(GetOwner()->WindowID(), mUrls); - - if (!availability) { - availability = PresentationAvailability::Create(GetOwner(), mUrls, aPromise); - } else { - PRES_DEBUG(">resolve with same object\n"); - - // Fetching cached available devices is asynchronous in our implementation, - // we need to ensure the promise is resolved in order. - if (availability->IsCachedValueReady()) { - aPromise->MaybeResolve(availability); - return; - } - - availability->EnqueuePromise(aPromise); - } - - if (!availability) { - aPromise->MaybeReject(NS_ERROR_DOM_NOT_SUPPORTED_ERR); - return; - } -} - -nsresult -PresentationRequest::DispatchConnectionAvailableEvent(PresentationConnection* aConnection) -{ - PresentationConnectionAvailableEventInit init; - init.mConnection = aConnection; - - RefPtr<PresentationConnectionAvailableEvent> event = - PresentationConnectionAvailableEvent::Constructor(this, - NS_LITERAL_STRING("connectionavailable"), - init); - if (NS_WARN_IF(!event)) { - return NS_ERROR_FAILURE; - } - event->SetTrusted(true); - - RefPtr<AsyncEventDispatcher> asyncDispatcher = - new AsyncEventDispatcher(this, event); - return asyncDispatcher->PostDOMEvent(); -} - -void -PresentationRequest::NotifyPromiseSettled() -{ - PRES_DEBUG("%s\n", __func__); - - if (!GetOwner()) { - return; - } - - ErrorResult rv; - RefPtr<Navigator> navigator = - nsGlobalWindow::Cast(GetOwner())->GetNavigator(rv); - if (!navigator) { - return; - } - - RefPtr<Presentation> presentation = navigator->GetPresentation(rv); - - if (presentation) { - presentation->SetStartSessionUnsettled(false); - } -} - -bool -PresentationRequest::IsProhibitMixedSecurityContexts(nsIDocument* aDocument) -{ - MOZ_ASSERT(aDocument); - - if (nsContentUtils::IsChromeDoc(aDocument)) { - return true; - } - - nsCOMPtr<nsIDocument> doc = aDocument; - while (doc && !nsContentUtils::IsChromeDoc(doc)) { - if (nsContentUtils::HttpsStateIsModern(doc)) { - return true; - } - - doc = doc->GetParentDocument(); - } - - return false; -} - -bool -PresentationRequest::IsPrioriAuthenticatedURL(const nsAString& aUrl) -{ - nsCOMPtr<nsIURI> uri; - if (NS_FAILED(NS_NewURI(getter_AddRefs(uri), aUrl))) { - return false; - } - - nsAutoCString scheme; - nsresult rv = uri->GetScheme(scheme); - if (NS_WARN_IF(NS_FAILED(rv))) { - return false; - } - - if (scheme.EqualsLiteral("data")) { - return true; - } - - nsAutoCString uriSpec; - rv = uri->GetSpec(uriSpec); - if (NS_WARN_IF(NS_FAILED(rv))) { - return false; - } - - if (uriSpec.EqualsLiteral("about:blank") || - uriSpec.EqualsLiteral("about:srcdoc")) { - return true; - } - - PrincipalOriginAttributes attrs; - nsCOMPtr<nsIPrincipal> principal = - BasePrincipal::CreateCodebasePrincipal(uri, attrs); - if (NS_WARN_IF(!principal)) { - return false; - } - - nsCOMPtr<nsIContentSecurityManager> csm = - do_GetService(NS_CONTENTSECURITYMANAGER_CONTRACTID); - if (NS_WARN_IF(!csm)) { - return false; - } - - bool isTrustworthyOrigin = false; - csm->IsOriginPotentiallyTrustworthy(principal, &isTrustworthyOrigin); - return isTrustworthyOrigin; -} - -bool -PresentationRequest::IsAllURLAuthenticated() -{ - for (const auto& url : mUrls) { - if (!IsPrioriAuthenticatedURL(url)) { - return false; - } - } - - return true; -} |