зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
3.0 KiB
C++
90 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AntiTrackingLog.h"
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#include "ContentBlockingUserInteraction.h"
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#include "AntiTrackingUtils.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/PermissionManager.h"
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#include "nsIPrincipal.h"
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#include "nsXULAppAPI.h"
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#include "prtime.h"
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namespace mozilla {
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/* static */
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void ContentBlockingUserInteraction::Observe(nsIPrincipal* aPrincipal) {
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if (!aPrincipal || aPrincipal->IsSystemPrincipal()) {
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// The content process may have sent us garbage data.
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return;
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}
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if (XRE_IsParentProcess()) {
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LOG_PRIN(("Saving the userInteraction for %s", _spec), aPrincipal);
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PermissionManager* permManager = PermissionManager::GetInstance();
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if (NS_WARN_IF(!permManager)) {
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LOG(("Permission manager is null, bailing out early"));
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return;
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}
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// Remember that this pref is stored in seconds!
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uint32_t expirationType = nsIPermissionManager::EXPIRE_TIME;
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uint32_t expirationTime =
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StaticPrefs::privacy_userInteraction_expiration() * 1000;
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int64_t when = (PR_Now() / PR_USEC_PER_MSEC) + expirationTime;
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uint32_t privateBrowsingId = 0;
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nsresult rv = aPrincipal->GetPrivateBrowsingId(&privateBrowsingId);
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if (!NS_WARN_IF(NS_FAILED(rv)) && privateBrowsingId > 0) {
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// If we are coming from a private window, make sure to store a
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// session-only permission which won't get persisted to disk.
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expirationType = nsIPermissionManager::EXPIRE_SESSION;
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when = 0;
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}
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rv = permManager->AddFromPrincipal(aPrincipal, USER_INTERACTION_PERM,
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nsIPermissionManager::ALLOW_ACTION,
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expirationType, when);
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Unused << NS_WARN_IF(NS_FAILED(rv));
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if (StaticPrefs::privacy_antitracking_testing()) {
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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obs->NotifyObservers(
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nullptr, "antitracking-test-user-interaction-perm-added", nullptr);
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}
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return;
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}
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dom::ContentChild* cc = dom::ContentChild::GetSingleton();
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MOZ_ASSERT(cc);
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LOG_PRIN(("Asking the parent process to save the user-interaction for us: %s",
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_spec),
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aPrincipal);
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cc->SendStoreUserInteractionAsPermission(IPC::Principal(aPrincipal));
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}
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/* static */
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bool ContentBlockingUserInteraction::Exists(nsIPrincipal* aPrincipal) {
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PermissionManager* permManager = PermissionManager::GetInstance();
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if (NS_WARN_IF(!permManager)) {
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return false;
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}
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uint32_t result = 0;
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nsresult rv = permManager->TestPermissionWithoutDefaultsFromPrincipal(
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aPrincipal, USER_INTERACTION_PERM, &result);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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return result == nsIPermissionManager::ALLOW_ACTION;
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}
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} // namespace mozilla
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