Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 302 insertions, 0 deletions

diff --git a/dom/storage/StorageActivityService.cpp b/dom/storage/StorageActivityService.cpp
new file mode 100644
index 0000000000..8652d82653
--- /dev/null
+++ b/dom/storage/StorageActivityService.cpp
@@ -0,0 +1,302 @@
+/* -*- 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 "StorageActivityService.h"
+
+#include "mozilla/ipc/BackgroundChild.h"
+#include "mozilla/ipc/BackgroundUtils.h"
+#include "mozilla/ipc/PBackgroundChild.h"
+#include "mozilla/ipc/PBackgroundSharedTypes.h"
+#include "mozilla/BasePrincipal.h"
+#include "mozilla/SchedulerGroup.h"
+#include "mozilla/Services.h"
+#include "mozilla/StaticPtr.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+#include "nsIMutableArray.h"
+#include "nsIObserverService.h"
+#include "nsIPrincipal.h"
+#include "nsIUserIdleService.h"
+#include "nsSupportsPrimitives.h"
+#include "nsXPCOM.h"
+
+// This const is used to know when origin activities should be purged because
+// too old. This value should be in sync with what the UI needs.
+#define TIME_MAX_SECS 86400 /* 24 hours */
+
+namespace mozilla::dom {
+
+static StaticRefPtr<StorageActivityService> gStorageActivityService;
+static bool gStorageActivityShutdown = false;
+
+/* static */
+void StorageActivityService::SendActivity(nsIPrincipal* aPrincipal) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!aPrincipal || BasePrincipal::Cast(aPrincipal)->Kind() !=
+                         BasePrincipal::eContentPrincipal) {
+    // Only content principals.
+    return;
+  }
+
+  RefPtr<StorageActivityService> service = GetOrCreate();
+  if (NS_WARN_IF(!service)) {
+    return;
+  }
+
+  service->SendActivityInternal(aPrincipal);
+}
+
+/* static */
+void StorageActivityService::SendActivity(
+    const mozilla::ipc::PrincipalInfo& aPrincipalInfo) {
+  if (aPrincipalInfo.type() !=
+      mozilla::ipc::PrincipalInfo::TContentPrincipalInfo) {
+    // only content principal.
+    return;
+  }
+
+  RefPtr<Runnable> r = NS_NewRunnableFunction(
+      "StorageActivityService::SendActivity", [aPrincipalInfo]() {
+        MOZ_ASSERT(NS_IsMainThread());
+
+        auto principalOrErr =
+            mozilla::ipc::PrincipalInfoToPrincipal(aPrincipalInfo);
+
+        if (principalOrErr.isOk()) {
+          nsCOMPtr<nsIPrincipal> principal = principalOrErr.unwrap();
+          StorageActivityService::SendActivity(principal);
+        } else {
+          NS_WARNING(
+              "Could not obtain principal from "
+              "mozilla::ipc::PrincipalInfoToPrincipal");
+        }
+      });
+
+  SchedulerGroup::Dispatch(TaskCategory::Other, r.forget());
+}
+
+/* static */
+void StorageActivityService::SendActivity(const nsACString& aOrigin) {
+  MOZ_ASSERT(XRE_IsParentProcess());
+
+  nsCString origin;
+  origin.Assign(aOrigin);
+
+  RefPtr<Runnable> r = NS_NewRunnableFunction(
+      "StorageActivityService::SendActivity", [origin]() {
+        MOZ_ASSERT(NS_IsMainThread());
+
+        RefPtr<StorageActivityService> service = GetOrCreate();
+        if (NS_WARN_IF(!service)) {
+          return;
+        }
+
+        service->SendActivityInternal(origin);
+      });
+
+  if (NS_IsMainThread()) {
+    Unused << r->Run();
+  } else {
+    SchedulerGroup::Dispatch(TaskCategory::Other, r.forget());
+  }
+}
+
+/* static */
+already_AddRefed<StorageActivityService> StorageActivityService::GetOrCreate() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!gStorageActivityService && !gStorageActivityShutdown) {
+    RefPtr<StorageActivityService> service = new StorageActivityService();
+
+    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+    if (NS_WARN_IF(!obs)) {
+      return nullptr;
+    }
+
+    nsresult rv =
+        obs->AddObserver(service, NS_XPCOM_SHUTDOWN_OBSERVER_ID, true);
+    if (NS_WARN_IF(NS_FAILED(rv))) {
+      return nullptr;
+    }
+
+    gStorageActivityService = service;
+  }
+
+  RefPtr<StorageActivityService> service = gStorageActivityService;
+  return service.forget();
+}
+
+StorageActivityService::StorageActivityService() {
+  MOZ_ASSERT(NS_IsMainThread());
+}
+
+StorageActivityService::~StorageActivityService() {
+  MOZ_ASSERT(NS_IsMainThread());
+}
+
+void StorageActivityService::SendActivityInternal(nsIPrincipal* aPrincipal) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(aPrincipal);
+  MOZ_ASSERT(BasePrincipal::Cast(aPrincipal)->Kind() ==
+             BasePrincipal::eContentPrincipal);
+
+  if (!XRE_IsParentProcess()) {
+    SendActivityToParent(aPrincipal);
+    return;
+  }
+
+  nsAutoCString origin;
+  nsresult rv = aPrincipal->GetOrigin(origin);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return;
+  }
+
+  SendActivityInternal(origin);
+}
+
+void StorageActivityService::SendActivityInternal(const nsACString& aOrigin) {
+  MOZ_ASSERT(XRE_IsParentProcess());
+
+  bool shouldAddObserver = mActivities.Count() == 0;
+  mActivities.InsertOrUpdate(aOrigin, PR_Now());
+
+  if (shouldAddObserver) {
+    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+    if (NS_WARN_IF(!obs)) {
+      return;
+    }
+
+    obs->AddObserver(this, OBSERVER_TOPIC_IDLE_DAILY, true);
+  }
+}
+
+void StorageActivityService::SendActivityToParent(nsIPrincipal* aPrincipal) {
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(!XRE_IsParentProcess());
+
+  ::mozilla::ipc::PBackgroundChild* actor =
+      ::mozilla::ipc::BackgroundChild::GetOrCreateForCurrentThread();
+  if (NS_WARN_IF(!actor)) {
+    return;
+  }
+
+  mozilla::ipc::PrincipalInfo principalInfo;
+  nsresult rv =
+      mozilla::ipc::PrincipalToPrincipalInfo(aPrincipal, &principalInfo);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return;
+  }
+
+  actor->SendStorageActivity(principalInfo);
+}
+
+NS_IMETHODIMP
+StorageActivityService::Observe(nsISupports* aSubject, const char* aTopic,
+                                const char16_t* aData) {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  if (!strcmp(aTopic, OBSERVER_TOPIC_IDLE_DAILY)) {
+    CleanUp();
+    return NS_OK;
+  }
+
+  MOZ_ASSERT(!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID));
+
+  gStorageActivityShutdown = true;
+  gStorageActivityService = nullptr;
+  return NS_OK;
+}
+
+void StorageActivityService::CleanUp() {
+  MOZ_ASSERT(NS_IsMainThread());
+
+  uint64_t now = PR_Now();
+
+  for (auto iter = mActivities.Iter(); !iter.Done(); iter.Next()) {
+    if ((now - iter.UserData()) / PR_USEC_PER_SEC > TIME_MAX_SECS) {
+      iter.Remove();
+    }
+  }
+
+  // If no activities, remove the observer.
+  if (mActivities.Count() == 0) {
+    nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
+    if (obs) {
+      obs->RemoveObserver(this, OBSERVER_TOPIC_IDLE_DAILY);
+    }
+  }
+}
+
+NS_IMETHODIMP
+StorageActivityService::GetActiveOrigins(PRTime aFrom, PRTime aTo,
+                                         nsIArray** aRetval) {
+  uint64_t now = PR_Now();
+  if (((now - aFrom) / PR_USEC_PER_SEC) > TIME_MAX_SECS || aFrom >= aTo) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  // Remove expired entries first.
+  CleanUp();
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsIMutableArray> devices =
+      do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  for (const auto& activityEntry : mActivities) {
+    if (activityEntry.GetData() >= aFrom && activityEntry.GetData() <= aTo) {
+      RefPtr<BasePrincipal> principal =
+          BasePrincipal::CreateContentPrincipal(activityEntry.GetKey());
+      MOZ_ASSERT(principal);
+
+      rv = devices->AppendElement(principal);
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        return rv;
+      }
+    }
+  }
+
+  devices.forget(aRetval);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+StorageActivityService::MoveOriginInTime(nsIPrincipal* aPrincipal,
+                                         PRTime aWhen) {
+  if (!XRE_IsParentProcess()) {
+    return NS_ERROR_FAILURE;
+  }
+
+  nsAutoCString origin;
+  nsresult rv = aPrincipal->GetOrigin(origin);
+  if (NS_WARN_IF(NS_FAILED(rv))) {
+    return rv;
+  }
+
+  mActivities.InsertOrUpdate(origin, aWhen / PR_USEC_PER_SEC);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+StorageActivityService::TestOnlyReset() {
+  mActivities.Clear();
+  return NS_OK;
+}
+
+NS_INTERFACE_MAP_BEGIN(StorageActivityService)
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIStorageActivityService)
+  NS_INTERFACE_MAP_ENTRY(nsIStorageActivityService)
+  NS_INTERFACE_MAP_ENTRY(nsIObserver)
+  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF(StorageActivityService)
+NS_IMPL_RELEASE(StorageActivityService)
+
+}  // namespace mozilla::dom