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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 "AntiTrackingLog.h"
#include "ContentBlockingUserInteraction.h"
#include "AntiTrackingUtils.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/PermissionManager.h"
#include "nsIPrincipal.h"
#include "nsXULAppAPI.h"
#include "prtime.h"
namespace mozilla {
/* static */
void ContentBlockingUserInteraction::Observe(nsIPrincipal* aPrincipal) {
if (!aPrincipal || aPrincipal->IsSystemPrincipal()) {
// The content process may have sent us garbage data.
return;
}
if (XRE_IsParentProcess()) {
LOG_PRIN(("Saving the userInteraction for %s", _spec), aPrincipal);
PermissionManager* permManager = PermissionManager::GetInstance();
if (NS_WARN_IF(!permManager)) {
LOG(("Permission manager is null, bailing out early"));
return;
}
// Remember that this pref is stored in seconds!
uint32_t expirationType = nsIPermissionManager::EXPIRE_TIME;
uint32_t expirationTime =
StaticPrefs::privacy_userInteraction_expiration() * 1000;
int64_t when = (PR_Now() / PR_USEC_PER_MSEC) + expirationTime;
uint32_t privateBrowsingId = 0;
nsresult rv = aPrincipal->GetPrivateBrowsingId(&privateBrowsingId);
if (!NS_WARN_IF(NS_FAILED(rv)) && privateBrowsingId > 0) {
// If we are coming from a private window, make sure to store a
// session-only permission which won't get persisted to disk.
expirationType = nsIPermissionManager::EXPIRE_SESSION;
when = 0;
}
rv = permManager->AddFromPrincipal(aPrincipal, USER_INTERACTION_PERM,
nsIPermissionManager::ALLOW_ACTION,
expirationType, when);
Unused << NS_WARN_IF(NS_FAILED(rv));
if (StaticPrefs::privacy_antitracking_testing()) {
nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
obs->NotifyObservers(
nullptr, "antitracking-test-user-interaction-perm-added", nullptr);
}
return;
}
dom::ContentChild* cc = dom::ContentChild::GetSingleton();
MOZ_ASSERT(cc);
LOG_PRIN(("Asking the parent process to save the user-interaction for us: %s",
_spec),
aPrincipal);
cc->SendStoreUserInteractionAsPermission(aPrincipal);
}
/* static */
bool ContentBlockingUserInteraction::Exists(nsIPrincipal* aPrincipal) {
PermissionManager* permManager = PermissionManager::GetInstance();
if (NS_WARN_IF(!permManager)) {
return false;
}
uint32_t result = 0;
nsresult rv = permManager->TestPermissionWithoutDefaultsFromPrincipal(
aPrincipal, USER_INTERACTION_PERM, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
return result == nsIPermissionManager::ALLOW_ACTION;
}
} // namespace mozilla
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