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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/signin/core/browser/profile_management_switches.h"
#include <string>
#include "base/callback.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/metrics/field_trial_params.h"
#include "build/build_config.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/signin/core/browser/signin_buildflags.h"
#include "components/signin/core/browser/signin_switches.h"
#if defined(OS_CHROMEOS)
#include "components/signin/core/browser/signin_pref_names.h"
#endif
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
#include "components/prefs/pref_service.h"
#endif
namespace signin {
namespace {
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
const char kDiceMigrationCompletePref[] = "signin.DiceMigrationComplete";
// Returns whether Dice is enabled for the user, based on the account
// consistency mode and the dice pref value.
bool IsDiceEnabledForPrefValue(bool dice_pref_value) {
switch (GetAccountConsistencyMethod()) {
case AccountConsistencyMethod::kDisabled:
case AccountConsistencyMethod::kMirror:
case AccountConsistencyMethod::kDiceFixAuthErrors:
case AccountConsistencyMethod::kDicePrepareMigration:
return false;
case AccountConsistencyMethod::kDice:
return true;
case AccountConsistencyMethod::kDiceMigration:
return dice_pref_value;
}
NOTREACHED();
return false;
}
#endif // BUILDFLAG(ENABLE_DICE_SUPPORT)
// Returns a callback telling if site isolation is enabled for Gaia origins.
base::RepeatingCallback<bool()>* GetIsGaiaIsolatedCallback() {
static base::RepeatingCallback<bool()> g_is_gaia_isolated_callback;
return &g_is_gaia_isolated_callback;
}
bool AccountConsistencyMethodGreaterOrEqual(AccountConsistencyMethod a,
AccountConsistencyMethod b) {
return static_cast<int>(a) >= static_cast<int>(b);
}
} // namespace
// base::Feature definitions.
const base::Feature kAccountConsistencyFeature{
"AccountConsistency", base::FEATURE_DISABLED_BY_DEFAULT};
const char kAccountConsistencyFeatureMethodParameter[] = "method";
const char kAccountConsistencyFeatureMethodMirror[] = "mirror";
const char kAccountConsistencyFeatureMethodDiceFixAuthErrors[] =
"dice_fix_auth_errors";
const char kAccountConsistencyFeatureMethodDicePrepareMigration[] =
"dice_prepare_migration_new_endpoint";
const char kAccountConsistencyFeatureMethodDiceMigration[] = "dice_migration";
const char kAccountConsistencyFeatureMethodDice[] = "dice";
const base::Feature kUnifiedConsent{"UnifiedConsent",
base::FEATURE_DISABLED_BY_DEFAULT};
bool DiceMethodGreaterOrEqual(AccountConsistencyMethod a,
AccountConsistencyMethod b) {
DCHECK_NE(AccountConsistencyMethod::kMirror, a);
DCHECK_NE(AccountConsistencyMethod::kMirror, b);
return AccountConsistencyMethodGreaterOrEqual(a, b);
}
void RegisterAccountConsistencyProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
#if defined(OS_CHROMEOS)
registry->RegisterBooleanPref(prefs::kAccountConsistencyMirrorRequired,
false);
#endif
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
registry->RegisterBooleanPref(kDiceMigrationCompletePref, false);
#endif
}
AccountConsistencyMethod GetAccountConsistencyMethod() {
#if BUILDFLAG(ENABLE_MIRROR)
// Mirror is always enabled on Android and iOS.
return AccountConsistencyMethod::kMirror;
#endif
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
DCHECK(!GetIsGaiaIsolatedCallback()->is_null());
const AccountConsistencyMethod kDefaultMethod =
AccountConsistencyMethod::kDiceFixAuthErrors;
if (!GetIsGaiaIsolatedCallback()->Run())
return kDefaultMethod;
#else
const AccountConsistencyMethod kDefaultMethod =
AccountConsistencyMethod::kDisabled;
#endif
if (!base::FeatureList::IsEnabled(kAccountConsistencyFeature))
return kDefaultMethod;
std::string method_value = base::GetFieldTrialParamValueByFeature(
kAccountConsistencyFeature, kAccountConsistencyFeatureMethodParameter);
if (method_value == kAccountConsistencyFeatureMethodMirror)
return AccountConsistencyMethod::kMirror;
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
else if (method_value == kAccountConsistencyFeatureMethodDiceFixAuthErrors)
return AccountConsistencyMethod::kDiceFixAuthErrors;
else if (method_value == kAccountConsistencyFeatureMethodDicePrepareMigration)
return AccountConsistencyMethod::kDicePrepareMigration;
else if (method_value == kAccountConsistencyFeatureMethodDiceMigration)
return AccountConsistencyMethod::kDiceMigration;
else if (method_value == kAccountConsistencyFeatureMethodDice)
return AccountConsistencyMethod::kDice;
#endif
return kDefaultMethod;
}
bool IsAccountConsistencyMirrorEnabled() {
return GetAccountConsistencyMethod() == AccountConsistencyMethod::kMirror;
}
bool IsDicePrepareMigrationEnabled() {
return AccountConsistencyMethodGreaterOrEqual(
GetAccountConsistencyMethod(),
AccountConsistencyMethod::kDicePrepareMigration);
}
bool IsDiceMigrationEnabled() {
return AccountConsistencyMethodGreaterOrEqual(
GetAccountConsistencyMethod(), AccountConsistencyMethod::kDiceMigration);
}
bool IsDiceEnabledForProfile(const PrefService* user_prefs) {
DCHECK(user_prefs);
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
return IsDiceEnabledForPrefValue(
user_prefs->GetBoolean(kDiceMigrationCompletePref));
#else
return false;
#endif
}
bool IsDiceEnabled(const BooleanPrefMember* dice_pref_member) {
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
DCHECK(dice_pref_member);
DCHECK_EQ(kDiceMigrationCompletePref, dice_pref_member->GetPrefName());
return IsDiceEnabledForPrefValue(dice_pref_member->GetValue());
#else
return false;
#endif
}
std::unique_ptr<BooleanPrefMember> CreateDicePrefMember(
PrefService* user_prefs) {
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
std::unique_ptr<BooleanPrefMember> pref_member =
std::make_unique<BooleanPrefMember>();
pref_member->Init(kDiceMigrationCompletePref, user_prefs);
return pref_member;
#else
return std::unique_ptr<BooleanPrefMember>();
#endif
}
void MigrateProfileToDice(PrefService* user_prefs) {
DCHECK(IsDiceMigrationEnabled());
#if BUILDFLAG(ENABLE_DICE_SUPPORT)
user_prefs->SetBoolean(kDiceMigrationCompletePref, true);
#endif
}
bool IsDiceFixAuthErrorsEnabled() {
return AccountConsistencyMethodGreaterOrEqual(
GetAccountConsistencyMethod(),
AccountConsistencyMethod::kDiceFixAuthErrors);
}
bool IsExtensionsMultiAccount() {
#if defined(OS_ANDROID) || defined(OS_IOS)
NOTREACHED() << "Extensions are not enabled on Android or iOS";
// Account consistency is enabled on Android and iOS.
return false;
#endif
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kExtensionsMultiAccount) ||
GetAccountConsistencyMethod() == AccountConsistencyMethod::kMirror;
}
void SetGaiaOriginIsolatedCallback(
const base::RepeatingCallback<bool()>& is_gaia_isolated) {
*GetIsGaiaIsolatedCallback() = is_gaia_isolated;
}
} // namespace signin
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