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/* -*- 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 "NotificationHandler.h"
#include "NotificationUtils.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/dom/ClientIPCTypes.h"
#include "mozilla/dom/ClientOpenWindowUtils.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/Promise-inl.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ServiceWorkerManager.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "xpcprivate.h"
namespace mozilla::dom::notification {
nsresult RespondOnClick(nsIPrincipal* aPrincipal, const nsAString& aScope,
const IPCNotification& aNotification,
const nsAString& aActionName) {
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
return NS_ERROR_FAILURE;
}
nsAutoCString originSuffix;
MOZ_TRY(aPrincipal->GetOriginSuffix(originSuffix));
nsresult rv = swm->SendNotificationClickEvent(originSuffix, aScope,
aNotification, aActionName);
if (NS_FAILED(rv)) {
// No active service worker, let's do the last resort
// TODO(krosylight): We should prevent entering this path as much as
// possible and ultimately remove this. See bug 1972120.
return OpenWindowFor(aPrincipal);
}
return NS_OK;
}
nsresult OpenWindowFor(nsIPrincipal* aPrincipal) {
nsAutoCString origin;
MOZ_TRY(aPrincipal->GetOriginNoSuffix(origin));
// XXX: We should be able to just pass nsIPrincipal directly
mozilla::ipc::PrincipalInfo info{};
MOZ_TRY(PrincipalToPrincipalInfo(aPrincipal, &info));
(void)ClientOpenWindow(nullptr,
ClientOpenWindowArgs(info, Nothing(), ""_ns, origin));
return NS_OK;
}
NS_IMPL_ISUPPORTS(NotificationHandler, nsINotificationHandler);
StaticRefPtr<NotificationHandler> sHandler;
already_AddRefed<NotificationHandler> NotificationHandler::GetSingleton() {
if (!sHandler) {
sHandler = new NotificationHandler();
ClearOnShutdown(&sHandler);
}
return do_AddRef(sHandler);
}
struct NotificationActionComparator {
bool Equals(const IPCNotificationAction& aAction,
const nsAString& aActionName) const {
return aAction.name() == aActionName;
}
};
NS_IMETHODIMP NotificationHandler::RespondOnClick(
nsIPrincipal* aPrincipal, const nsAString& aNotificationId,
const nsAString& aActionName, bool aAutoClosed, Promise** aResult) {
if (aPrincipal->IsSystemPrincipal()) {
// This function is only designed for web notifications.
return NS_ERROR_INVALID_ARG;
}
nsAutoCString origin;
MOZ_TRY(aPrincipal->GetOrigin(origin));
if (!StringBeginsWith(origin, "https://"_ns)) {
// We expect only secure context origins for web notifications.
// (Simple https check is sufficient for this case, as we do not expect
// chrome script nor webextensions to hit this path as they are expected to
// use different APIs that do not involve service workers.)
return NS_ERROR_INVALID_ARG;
}
bool isPrivate = aPrincipal->GetIsInPrivateBrowsing();
nsCOMPtr<nsINotificationStorage> storage = GetNotificationStorage(isPrivate);
RefPtr<Promise> promise;
storage->GetById(origin, aNotificationId, getter_AddRefs(promise));
if (aAutoClosed) {
// The system already closed the notification, let's purge the entry here.
//
// It is guaranteed that Delete will happen only immediately after GetById
// as NotificationDB manages each request with an internal job queue.
//
// XXX(krosylight): We should use AUTF8String for all NotificationStorage
// methods.
storage->Delete(NS_ConvertUTF8toUTF16(origin), aNotificationId);
}
RefPtr<Promise> result = MOZ_TRY(promise->ThenWithoutCycleCollection(
[actionName = nsString(aActionName), principal = nsCOMPtr(aPrincipal)](
JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) mutable -> already_AddRefed<Promise> {
auto tryable = [&]() -> nsresult {
if (aValue.isUndefined()) {
// No storage entry, open a new window as a fallback
return OpenWindowFor(principal);
}
MOZ_ASSERT(aValue.isObject());
JSObject* obj = &aValue.toObject();
nsCOMPtr<nsINotificationStorageEntry> entry;
MOZ_TRY(nsXPConnect::XPConnect()->WrapJS(
aCx, obj, NS_GET_IID(nsINotificationStorageEntry),
getter_AddRefs(entry)));
if (!entry) {
return NS_ERROR_FAILURE;
}
nsAutoString scope;
MOZ_TRY(entry->GetServiceWorkerRegistrationScope(scope));
IPCNotification notification =
MOZ_TRY(NotificationStorageEntry::ToIPC(*entry));
if (!actionName.IsEmpty()) {
bool contains = notification.options().actions().Contains(
actionName, NotificationActionComparator());
if (!contains) {
// Invalid action, so pretend it had no action
actionName.Truncate();
}
}
return notification::RespondOnClick(principal, scope, notification,
actionName);
};
nsresult rv = tryable();
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return nullptr;
}
return nullptr;
}));
if (aResult) {
result.forget(aResult);
}
return NS_OK;
}
} // namespace mozilla::dom::notification
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