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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/content_settings/cookie_settings_factory.h"
#include "base/check_op.h"
#include "base/functional/callback_forward.h"
#include "base/metrics/histogram_functions.h"
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "chrome/browser/privacy_sandbox/tracking_protection_settings_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profiles_state.h"
#include "chrome/browser/tpcd/metadata/manager_factory.h"
#include "chrome/browser/webid/federated_identity_account_keyed_permission_context.h"
#include "components/content_settings/core/browser/cookie_settings.h"
#include "components/content_settings/core/common/pref_names.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_features.h"
#include "extensions/buildflags/buildflags.h"
#include "third_party/blink/public/common/features_generated.h"
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "extensions/common/constants.h"
#endif
using content_settings::CookieControlsMode;
// static
scoped_refptr<content_settings::CookieSettings>
CookieSettingsFactory::GetForProfile(Profile* profile) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return static_cast<content_settings::CookieSettings*>(
GetInstance()->GetServiceForBrowserContext(profile, true).get());
}
// static
CookieSettingsFactory* CookieSettingsFactory::GetInstance() {
static base::NoDestructor<CookieSettingsFactory> instance;
return instance.get();
}
CookieSettingsFactory::CookieSettingsFactory()
: RefcountedProfileKeyedServiceFactory(
"CookieSettings",
// The incognito profile has its own content settings map. Therefore,
// it should get its own CookieSettings.
ProfileSelections::Builder()
.WithRegular(ProfileSelection::kOwnInstance)
// TODO(crbug.com/40257657): Check if this service is needed in
// Guest mode.
.WithGuest(ProfileSelection::kOwnInstance)
// TODO(crbug.com/41488885): Check if this service is needed for
// Ash Internals.
.WithAshInternals(ProfileSelection::kOwnInstance)
.Build()) {
DependsOn(HostContentSettingsMapFactory::GetInstance());
DependsOn(TrackingProtectionSettingsFactory::GetInstance());
}
CookieSettingsFactory::~CookieSettingsFactory() = default;
scoped_refptr<RefcountedKeyedService>
CookieSettingsFactory::BuildServiceInstanceFor(
content::BrowserContext* context) const {
Profile* profile = Profile::FromBrowserContext(context);
PrefService* prefs = profile->GetPrefs();
if (profiles::IsRegularUserProfile(profile)) {
// Record cookie setting histograms.
auto cookie_controls_mode = static_cast<CookieControlsMode>(
prefs->GetInteger(prefs::kCookieControlsMode));
base::UmaHistogramBoolean(
"Privacy.ThirdPartyCookieBlockingSetting.RegularProfile",
cookie_controls_mode == CookieControlsMode::kBlockThirdParty);
base::UmaHistogramEnumeration(
"Privacy.CookieControlsSetting.RegularProfile", cookie_controls_mode);
}
const char* extension_scheme =
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::kExtensionScheme;
#else
content_settings::kDummyExtensionScheme;
#endif
HostContentSettingsMap* host_content_settings_map =
HostContentSettingsMapFactory::GetForProfile(profile);
content_settings::CookieSettings::ComputeFedCmSharingPermissionsCallback
compute_fedcm_sharing_permissions = base::BindRepeating(
[](Profile* profile,
scoped_refptr<HostContentSettingsMap> host_content_settings_map)
-> ContentSettingsForOneType {
// This is called by the CookieSettings ctor, and
// FederatedIdentityPermissionContextFactory (transitively) depends
// on CookieSettingsFactory so we cannot depend on
// FederatedIdentityPermissionContextFactory here.
return FederatedIdentityAccountKeyedPermissionContext(
profile, host_content_settings_map.get())
.GetSharingPermissionGrantsAsContentSettings();
},
profile, scoped_refptr(host_content_settings_map));
return new content_settings::CookieSettings(
host_content_settings_map, prefs,
TrackingProtectionSettingsFactory::GetForProfile(profile),
profile->IsIncognitoProfile(), compute_fedcm_sharing_permissions,
tpcd::metadata::ManagerFactory::GetForProfile(profile), extension_scheme);
}
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