Add m-esr52 at 52.6.0

1 files changed, 341 insertions, 0 deletions

diff --git a/dom/workers/ServiceWorkerContainer.cpp b/dom/workers/ServiceWorkerContainer.cpp
new file mode 100644
index 0000000000..274d72d50b
--- /dev/null
+++ b/dom/workers/ServiceWorkerContainer.cpp
@@ -0,0 +1,341 @@
+/* -*- 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 "ServiceWorkerContainer.h"
+
+#include "nsContentUtils.h"
+#include "nsIDocument.h"
+#include "nsIServiceWorkerManager.h"
+#include "nsIURL.h"
+#include "nsNetUtil.h"
+#include "nsPIDOMWindow.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/Services.h"
+
+#include "nsCycleCollectionParticipant.h"
+#include "nsServiceManagerUtils.h"
+
+#include "mozilla/dom/Navigator.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/ServiceWorkerContainerBinding.h"
+#include "mozilla/dom/workers/bindings/ServiceWorker.h"
+
+#include "ServiceWorker.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(ServiceWorkerContainer)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+NS_IMPL_ADDREF_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper)
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(ServiceWorkerContainer, DOMEventTargetHelper,
+                                   mControllerWorker, mReadyPromise)
+
+/* static */ bool
+ServiceWorkerContainer::IsEnabled(JSContext* aCx, JSObject* aGlobal)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+
+  JS::Rooted<JSObject*> global(aCx, aGlobal);
+  nsCOMPtr<nsPIDOMWindowInner> window = Navigator::GetWindowFromGlobal(global);
+  if (!window) {
+    return false;
+  }
+
+  nsIDocument* doc = window->GetExtantDoc();
+  if (!doc || nsContentUtils::IsInPrivateBrowsing(doc)) {
+    return false;
+  }
+
+  return Preferences::GetBool("dom.serviceWorkers.enabled", false);
+}
+
+ServiceWorkerContainer::ServiceWorkerContainer(nsPIDOMWindowInner* aWindow)
+  : DOMEventTargetHelper(aWindow)
+{
+}
+
+ServiceWorkerContainer::~ServiceWorkerContainer()
+{
+  RemoveReadyPromise();
+}
+
+void
+ServiceWorkerContainer::DisconnectFromOwner()
+{
+  mControllerWorker = nullptr;
+  RemoveReadyPromise();
+  DOMEventTargetHelper::DisconnectFromOwner();
+}
+
+void
+ServiceWorkerContainer::ControllerChanged(ErrorResult& aRv)
+{
+  mControllerWorker = nullptr;
+  aRv = DispatchTrustedEvent(NS_LITERAL_STRING("controllerchange"));
+}
+
+void
+ServiceWorkerContainer::RemoveReadyPromise()
+{
+  if (nsCOMPtr<nsPIDOMWindowInner> window = GetOwner()) {
+    nsCOMPtr<nsIServiceWorkerManager> swm =
+      mozilla::services::GetServiceWorkerManager();
+    if (!swm) {
+      // If the browser is shutting down, we don't need to remove the promise.
+      return;
+    }
+
+    swm->RemoveReadyPromise(window);
+  }
+}
+
+JSObject*
+ServiceWorkerContainer::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return ServiceWorkerContainerBinding::Wrap(aCx, this, aGivenProto);
+}
+
+static nsresult
+CheckForSlashEscapedCharsInPath(nsIURI* aURI)
+{
+  MOZ_ASSERT(aURI);
+
+  // A URL that can't be downcast to a standard URL is an invalid URL and should
+  // be treated as such and fail with SecurityError.
+  nsCOMPtr<nsIURL> url(do_QueryInterface(aURI));
+  if (NS_WARN_IF(!url)) {
+    return NS_ERROR_DOM_SECURITY_ERR;
+  }
+
+  nsAutoCString path;
+  nsresult rv = url->GetFilePath(path);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  ToLowerCase(path);
+  if (path.Find("%2f") != kNotFound ||
+      path.Find("%5c") != kNotFound) {
+    return NS_ERROR_DOM_TYPE_ERR;
+  }
+
+  return NS_OK;
+}
+
+already_AddRefed<Promise>
+ServiceWorkerContainer::Register(const nsAString& aScriptURL,
+                                 const RegistrationOptions& aOptions,
+                                 ErrorResult& aRv)
+{
+  nsCOMPtr<nsISupports> promise;
+
+  nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
+  if (!swm) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  nsCOMPtr<nsIURI> baseURI;
+
+  nsIDocument* doc = GetEntryDocument();
+  if (doc) {
+    baseURI = doc->GetBaseURI();
+  } else {
+    // XXXnsm. One of our devtools browser test calls register() from a content
+    // script where there is no valid entry document. Use the window to resolve
+    // the uri in that case.
+    nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
+    nsCOMPtr<nsPIDOMWindowOuter> outerWindow;
+    if (window && (outerWindow = window->GetOuterWindow()) &&
+        outerWindow->GetServiceWorkersTestingEnabled()) {
+      baseURI = window->GetDocBaseURI();
+    }
+  }
+
+  nsresult rv;
+  nsCOMPtr<nsIURI> scriptURI;
+  rv = NS_NewURI(getter_AddRefs(scriptURI), aScriptURL, nullptr, baseURI);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    aRv.ThrowTypeError<MSG_INVALID_URL>(aScriptURL);
+    return nullptr;
+  }
+
+  aRv = CheckForSlashEscapedCharsInPath(scriptURI);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  // In ServiceWorkerContainer.register() the scope argument is parsed against
+  // different base URLs depending on whether it was passed or not.
+  nsCOMPtr<nsIURI> scopeURI;
+
+  // Step 4. If none passed, parse against script's URL
+  if (!aOptions.mScope.WasPassed()) {
+    NS_NAMED_LITERAL_STRING(defaultScope, "./");
+    rv = NS_NewURI(getter_AddRefs(scopeURI), defaultScope,
+                   nullptr, scriptURI);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      nsAutoCString spec;
+      scriptURI->GetSpec(spec);
+      NS_ConvertUTF8toUTF16 wSpec(spec);
+      aRv.ThrowTypeError<MSG_INVALID_SCOPE>(defaultScope, wSpec);
+      return nullptr;
+    }
+  } else {
+    // Step 5. Parse against entry settings object's base URL.
+    rv = NS_NewURI(getter_AddRefs(scopeURI), aOptions.mScope.Value(),
+                   nullptr, baseURI);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      nsIURI* uri = baseURI ? baseURI : scriptURI;
+      nsAutoCString spec;
+      uri->GetSpec(spec);
+      NS_ConvertUTF8toUTF16 wSpec(spec);
+      aRv.ThrowTypeError<MSG_INVALID_SCOPE>(aOptions.mScope.Value(), wSpec);
+      return nullptr;
+    }
+
+    aRv = CheckForSlashEscapedCharsInPath(scopeURI);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return nullptr;
+    }
+  }
+
+  // The spec says that the "client" passed to Register() must be the global
+  // where the ServiceWorkerContainer was retrieved from.
+  aRv = swm->Register(GetOwner(), scopeURI, scriptURI, getter_AddRefs(promise));
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  RefPtr<Promise> ret = static_cast<Promise*>(promise.get());
+  MOZ_ASSERT(ret);
+  return ret.forget();
+}
+
+already_AddRefed<workers::ServiceWorker>
+ServiceWorkerContainer::GetController()
+{
+  if (!mControllerWorker) {
+    nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
+    if (!swm) {
+      return nullptr;
+    }
+
+    // TODO: What should we do here if the ServiceWorker script fails to load?
+    //       In theory the DOM ServiceWorker object can exist without the worker
+    //       thread running, but it seems our design does not expect that.
+    nsCOMPtr<nsISupports> serviceWorker;
+    nsresult rv = swm->GetDocumentController(GetOwner(),
+                                             getter_AddRefs(serviceWorker));
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      return nullptr;
+    }
+
+    mControllerWorker =
+      static_cast<workers::ServiceWorker*>(serviceWorker.get());
+  }
+
+  RefPtr<workers::ServiceWorker> ref = mControllerWorker;
+  return ref.forget();
+}
+
+already_AddRefed<Promise>
+ServiceWorkerContainer::GetRegistrations(ErrorResult& aRv)
+{
+  nsresult rv;
+  nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    aRv.Throw(rv);
+    return nullptr;
+  }
+
+  nsCOMPtr<nsISupports> promise;
+  aRv = swm->GetRegistrations(GetOwner(), getter_AddRefs(promise));
+  if (aRv.Failed()) {
+    return nullptr;
+  }
+
+  RefPtr<Promise> ret = static_cast<Promise*>(promise.get());
+  MOZ_ASSERT(ret);
+  return ret.forget();
+}
+
+already_AddRefed<Promise>
+ServiceWorkerContainer::GetRegistration(const nsAString& aDocumentURL,
+                                        ErrorResult& aRv)
+{
+  nsresult rv;
+  nsCOMPtr<nsIServiceWorkerManager> swm = do_GetService(SERVICEWORKERMANAGER_CONTRACTID, &rv);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    aRv.Throw(rv);
+    return nullptr;
+  }
+
+  nsCOMPtr<nsISupports> promise;
+  aRv = swm->GetRegistration(GetOwner(), aDocumentURL, getter_AddRefs(promise));
+  if (aRv.Failed()) {
+    return nullptr;
+  }
+
+  RefPtr<Promise> ret = static_cast<Promise*>(promise.get());
+  MOZ_ASSERT(ret);
+  return ret.forget();
+}
+
+Promise*
+ServiceWorkerContainer::GetReady(ErrorResult& aRv)
+{
+  if (mReadyPromise) {
+    return mReadyPromise;
+  }
+
+  nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
+  if (!swm) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  nsCOMPtr<nsISupports> promise;
+  aRv = swm->GetReadyPromise(GetOwner(), getter_AddRefs(promise));
+
+  mReadyPromise = static_cast<Promise*>(promise.get());
+  return mReadyPromise;
+}
+
+// Testing only.
+void
+ServiceWorkerContainer::GetScopeForUrl(const nsAString& aUrl,
+                                       nsString& aScope,
+                                       ErrorResult& aRv)
+{
+  nsCOMPtr<nsIServiceWorkerManager> swm = mozilla::services::GetServiceWorkerManager();
+  if (!swm) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return;
+  }
+
+  nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
+  if (NS_WARN_IF(!window)) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  nsCOMPtr<nsIDocument> doc = window->GetExtantDoc();
+  if (NS_WARN_IF(!doc)) {
+    aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+    return;
+  }
+
+  aRv = swm->GetScopeForUrl(doc->NodePrincipal(),
+                            aUrl, aScope);
+}
+
+} // namespace dom
+} // namespace mozilla