зеркало из https://github.com/mozilla/gecko-dev.git
439 строки
12 KiB
C++
439 строки
12 KiB
C++
/* -*- 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 "ControllerConnectionCollection.h"
|
|
#include "mozilla/BasePrincipal.h"
|
|
#include "mozilla/dom/PresentationRequestBinding.h"
|
|
#include "mozilla/dom/PresentationConnectionAvailableEvent.h"
|
|
#include "mozilla/dom/Promise.h"
|
|
#include "mozIThirdPartyUtil.h"
|
|
#include "nsContentSecurityManager.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIPresentationService.h"
|
|
#include "nsIURI.h"
|
|
#include "nsIUUIDGenerator.h"
|
|
#include "nsNetUtil.h"
|
|
#include "nsSandboxFlags.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "PresentationAvailability.h"
|
|
#include "PresentationCallbacks.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(PresentationRequest, DOMEventTargetHelper,
|
|
mAvailability)
|
|
|
|
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)
|
|
{
|
|
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
|
|
if (!window) {
|
|
aRv.Throw(NS_ERROR_UNEXPECTED);
|
|
return nullptr;
|
|
}
|
|
|
|
// Ensure the URL is not empty.
|
|
if (NS_WARN_IF(aUrl.IsEmpty())) {
|
|
aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
|
|
return nullptr;
|
|
}
|
|
|
|
// Resolve relative URL to absolute URL
|
|
nsCOMPtr<nsIURI> baseUri = window->GetDocBaseURI();
|
|
|
|
nsAutoString absoluteUrl;
|
|
nsresult rv = GetAbsoluteURL(aUrl, baseUri, window->GetExtantDoc(), absoluteUrl);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
aRv.Throw(NS_ERROR_UNEXPECTED);
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<PresentationRequest> request =
|
|
new PresentationRequest(window, absoluteUrl);
|
|
return NS_WARN_IF(!request->Init()) ? nullptr : request.forget();
|
|
}
|
|
|
|
PresentationRequest::PresentationRequest(nsPIDOMWindowInner* aWindow,
|
|
const nsAString& aUrl)
|
|
: DOMEventTargetHelper(aWindow)
|
|
, mUrl(aUrl)
|
|
{
|
|
}
|
|
|
|
PresentationRequest::~PresentationRequest()
|
|
{
|
|
}
|
|
|
|
bool
|
|
PresentationRequest::Init()
|
|
{
|
|
mAvailability = PresentationAvailability::Create(GetOwner());
|
|
if (NS_WARN_IF(!mAvailability)) {
|
|
return false;
|
|
}
|
|
|
|
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) &&
|
|
!IsPrioriAuthenticatedURL(mUrl)) {
|
|
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();
|
|
}
|
|
|
|
// 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();
|
|
}
|
|
|
|
nsCOMPtr<nsIPresentationServiceCallback> callback =
|
|
new PresentationRequesterCallback(this, mUrl, id, promise);
|
|
rv = service->StartSession(mUrl, id, origin, aDeviceId, GetOwner()->WindowID(), callback);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
promise->MaybeReject(NS_ERROR_DOM_OPERATION_ERR);
|
|
}
|
|
|
|
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) &&
|
|
!IsPrioriAuthenticatedURL(mUrl)) {
|
|
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 (url.Equals(mUrl)) {
|
|
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,
|
|
mUrl,
|
|
aPresentationId,
|
|
aPromise,
|
|
connection);
|
|
|
|
nsresult rv =
|
|
service->ReconnectSession(mUrl,
|
|
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)
|
|
{
|
|
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) &&
|
|
!IsPrioriAuthenticatedURL(mUrl)) {
|
|
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();
|
|
}
|
|
|
|
promise->MaybeResolve(mAvailability);
|
|
return promise.forget();
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
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;
|
|
}
|