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// Copyright 2016 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/ash/arc/session/arc_session_manager.h"
#include <string>
#include <utility>
#include "ash/components/arc/arc_features.h"
#include "ash/components/arc/arc_prefs.h"
#include "ash/components/arc/arc_util.h"
#include "ash/components/arc/metrics/arc_metrics_constants.h"
#include "ash/components/arc/metrics/arc_metrics_service.h"
#include "ash/components/arc/metrics/stability_metrics_manager.h"
#include "ash/components/arc/session/arc_data_remover.h"
#include "ash/components/arc/session/arc_dlc_installer.h"
#include "ash/components/arc/session/arc_instance_mode.h"
#include "ash/components/arc/session/arc_management_transition.h"
#include "ash/components/arc/session/arc_session.h"
#include "ash/components/arc/session/arc_session_runner.h"
#include "ash/components/arc/session/serial_number_util.h"
#include "ash/constants/ash_switches.h"
#include "base/command_line.h"
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "base/strings/string_split.h"
#include "base/task/task_runner.h"
#include "base/task/task_traits.h"
#include "base/task/thread_pool.h"
#include "base/time/time.h"
#include "chrome/browser/ash/app_list/arc/arc_app_launcher.h"
#include "chrome/browser/ash/app_list/arc/arc_app_list_prefs.h"
#include "chrome/browser/ash/app_list/arc/arc_app_utils.h"
#include "chrome/browser/ash/app_list/arc/arc_fast_app_reinstall_starter.h"
#include "chrome/browser/ash/app_list/arc/arc_pai_starter.h"
#include "chrome/browser/ash/app_list/arc/intent.h"
#include "chrome/browser/ash/arc/arc_demo_mode_delegate_impl.h"
#include "chrome/browser/ash/arc/arc_migration_guide_notification.h"
#include "chrome/browser/ash/arc/arc_mount_provider.h"
#include "chrome/browser/ash/arc/arc_optin_uma.h"
#include "chrome/browser/ash/arc/arc_support_host.h"
#include "chrome/browser/ash/arc/arc_ui_availability_reporter.h"
#include "chrome/browser/ash/arc/arc_util.h"
#include "chrome/browser/ash/arc/auth/arc_auth_service.h"
#include "chrome/browser/ash/arc/optin/arc_terms_of_service_default_negotiator.h"
#include "chrome/browser/ash/arc/optin/arc_terms_of_service_oobe_negotiator.h"
#include "chrome/browser/ash/arc/policy/arc_policy_util.h"
#include "chrome/browser/ash/arc/session/arc_provisioning_result.h"
#include "chrome/browser/ash/guest_os/public/guest_os_service.h"
#include "chrome/browser/ash/login/demo_mode/demo_components.h"
#include "chrome/browser/ash/login/demo_mode/demo_session.h"
#include "chrome/browser/ash/profiles/profile_helper.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/policy/profile_policy_connector.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/webui/ash/diagnostics_dialog/diagnostics_dialog.h"
#include "chromeos/ash/components/cryptohome/cryptohome_parameters.h"
#include "chromeos/ash/components/dbus/session_manager/session_manager_client.h"
#include "chromeos/ash/components/memory/swap_configuration.h"
#include "components/account_id/account_id.h"
#include "components/exo/wm_helper.h"
#include "components/prefs/pref_service.h"
#include "components/services/app_service/public/cpp/intent_util.h"
#include "components/session_manager/core/session_manager.h"
#include "components/user_manager/user_manager.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/content_features.h"
#include "ui/display/types/display_constants.h"
// Enable VLOG level 1.
#undef ENABLED_VLOG_LEVEL
#define ENABLED_VLOG_LEVEL 1
namespace arc {
namespace {
// Weak pointer. This class is owned by ArcServiceLauncher.
ArcSessionManager* g_arc_session_manager = nullptr;
// Allows the session manager to skip creating UI in unit tests.
bool g_ui_enabled = true;
constexpr const char kArcSaltPath[] = "/var/lib/misc/arc_salt";
constexpr const char kArcPrepareHostGeneratedDirJobName[] =
"arc_2dprepare_2dhost_2dgenerated_2ddir";
// Maximum amount of time we'll wait for ARC to finish booting up. Once this
// timeout expires, keep ARC running in case the user wants to file feedback,
// but present the UI to try again.
constexpr base::TimeDelta kArcSignInTimeout = base::Minutes(5);
// Updates UMA with user cancel only if error is not currently shown.
void MaybeUpdateOptInCancelUMA(const ArcSupportHost* support_host) {
if (!support_host ||
support_host->ui_page() == ArcSupportHost::UIPage::NO_PAGE ||
support_host->ui_page() == ArcSupportHost::UIPage::ERROR) {
return;
}
UpdateOptInCancelUMA(OptInCancelReason::USER_CANCEL);
}
// Returns true if launching the Play Store on OptIn succeeded is needed.
// Launch Play Store app, except for the following cases:
// * When Opt-in verification is disabled (for tests);
// * In case ARC is enabled from OOBE.
// * In Public Session mode, because Play Store will be hidden from users
// and only apps configured by policy should be installed.
// * When ARC is managed, and user does not go through OOBE opt-in,
// because the whole OptIn flow should happen as seamless as possible for
// the user.
// Some tests require the Play Store to be shown and forces this using chromeos
// switch kArcForceShowPlayStoreApp.
bool ShouldLaunchPlayStoreApp(Profile* profile,
bool oobe_or_assistant_wizard_start) {
if (!IsPlayStoreAvailable()) {
return false;
}
if (oobe_or_assistant_wizard_start) {
return false;
}
if (ShouldShowOptInForTesting()) {
return true;
}
if (IsRobotOrOfflineDemoAccountMode()) {
return false;
}
if (IsArcOptInVerificationDisabled()) {
return false;
}
if (ShouldStartArcSilentlyForManagedProfile(profile)) {
return false;
}
return true;
}
// Defines the conditions that require UI to present eventual error conditions
// to the end user.
//
// Don't show UI for MGS sessions in demo mode because the only one UI must be
// the demo app. In case of error the UI will be useless as well, because
// in typical use case there will be no one nearby the demo device, who can
// do some action to solve the problem be means of UI.
// All other managed sessions will be attended by a user and require an error
// UI.
bool ShouldUseErrorDialog() {
if (!g_ui_enabled) {
return false;
}
if (IsArcOptInVerificationDisabled()) {
return false;
}
if (ash::DemoSession::IsDeviceInDemoMode()) {
return false;
}
return true;
}
void ResetStabilityMetrics() {
// TODO(shaochuan): Make this an event observable by StabilityMetricsManager
// and eliminate this null check.
auto* stability_metrics_manager = StabilityMetricsManager::Get();
if (!stability_metrics_manager) {
return;
}
stability_metrics_manager->ResetMetrics();
}
void SetArcEnabledStateMetric(bool enabled) {
// TODO(shaochuan): Make this an event observable by StabilityMetricsManager
// and eliminate this null check.
auto* stability_metrics_manager = StabilityMetricsManager::Get();
if (!stability_metrics_manager) {
return;
}
stability_metrics_manager->SetArcEnabledState(enabled);
}
int GetSignInErrorCode(const arc::mojom::ArcSignInError* sign_in_error) {
if (!sign_in_error) {
return 0;
}
#define IF_ERROR_RETURN_CODE(name, type) \
if (sign_in_error->is_##name()) { \
return static_cast<std::underlying_type_t<arc::mojom::type>>( \
sign_in_error->get_##name()); \
}
IF_ERROR_RETURN_CODE(cloud_provision_flow_error, CloudProvisionFlowError)
IF_ERROR_RETURN_CODE(general_error, GeneralSignInError)
IF_ERROR_RETURN_CODE(check_in_error, GMSCheckInError)
IF_ERROR_RETURN_CODE(sign_in_error, GMSSignInError)
#undef IF_ERROR_RETURN_CODE
LOG(ERROR) << "Unknown sign-in error "
<< std::underlying_type_t<arc::mojom::ArcSignInError::Tag>(
sign_in_error->which())
<< ".";
return -1;
}
ArcSupportHost::Error GetCloudProvisionFlowError(
mojom::CloudProvisionFlowError cloud_provision_flow_error) {
switch (cloud_provision_flow_error) {
case mojom::CloudProvisionFlowError::ERROR_ENROLLMENT_TOKEN_INVALID:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_ENROLLMENT_TOKEN_INVALID;
case mojom::CloudProvisionFlowError::ERROR_DEVICE_QUOTA_EXCEEDED:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_DOMAIN_JOIN_FAIL_ERROR;
case mojom::CloudProvisionFlowError::ERROR_NETWORK_UNAVAILABLE:
return ArcSupportHost::Error::SIGN_IN_CLOUD_PROVISION_FLOW_NETWORK_ERROR;
case mojom::CloudProvisionFlowError::ERROR_USER_CANCEL:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_INTERRUPTED_ERROR;
case mojom::CloudProvisionFlowError::ERROR_NO_ACCOUNT_IN_WORK_PROFILE:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_ACCOUNT_MISSING_ERROR;
case mojom::CloudProvisionFlowError::ERROR_ACCOUNT_NOT_READY:
case mojom::CloudProvisionFlowError::ERROR_ACCOUNT_NOT_ALLOWLISTED:
case mojom::CloudProvisionFlowError::ERROR_DPC_SUPPORT:
case mojom::CloudProvisionFlowError::ERROR_ENTERPRISE_INVALID:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_PERMANENT_ERROR;
case mojom::CloudProvisionFlowError::ERROR_ACCOUNT_OTHER:
case mojom::CloudProvisionFlowError::ERROR_ADD_ACCOUNT_FAILED:
case mojom::CloudProvisionFlowError::ERROR_CHECKIN_FAILED:
case mojom::CloudProvisionFlowError::ERROR_INVALID_POLICY_STATE:
case mojom::CloudProvisionFlowError::ERROR_INVALID_SETUP_ACTION:
case mojom::CloudProvisionFlowError::ERROR_JSON:
case mojom::CloudProvisionFlowError::ERROR_MANAGED_PROVISIONING_FAILED:
case mojom::CloudProvisionFlowError::
ERROR_OAUTH_TOKEN_AUTHENTICATOR_EXCEPTION:
case mojom::CloudProvisionFlowError::ERROR_OAUTH_TOKEN_IO_EXCEPTION:
case mojom::CloudProvisionFlowError::
ERROR_OAUTH_TOKEN_OPERATION_CANCELED_EXCEPTION:
case mojom::CloudProvisionFlowError::ERROR_OAUTH_TOKEN:
case mojom::CloudProvisionFlowError::ERROR_OTHER:
case mojom::CloudProvisionFlowError::ERROR_QUARANTINE:
case mojom::CloudProvisionFlowError::ERROR_REMOVE_ACCOUNT_FAILED:
case mojom::CloudProvisionFlowError::ERROR_REQUEST_ANDROID_ID_FAILED:
case mojom::CloudProvisionFlowError::ERROR_SERVER_TRANSIENT_ERROR:
case mojom::CloudProvisionFlowError::ERROR_SERVER:
case mojom::CloudProvisionFlowError::ERROR_TIMEOUT:
default:
return ArcSupportHost::Error::
SIGN_IN_CLOUD_PROVISION_FLOW_TRANSIENT_ERROR;
}
}
ArcSupportHost::Error GetSupportHostError(const ArcProvisioningResult& result) {
if (result.gms_sign_in_error() ==
mojom::GMSSignInError::GMS_SIGN_IN_NETWORK_ERROR) {
return ArcSupportHost::Error::SIGN_IN_NETWORK_ERROR;
}
if (result.gms_sign_in_error() ==
mojom::GMSSignInError::GMS_SIGN_IN_BAD_AUTHENTICATION) {
return ArcSupportHost::Error::SIGN_IN_BAD_AUTHENTICATION_ERROR;
}
if (result.gms_sign_in_error()) {
return ArcSupportHost::Error::SIGN_IN_GMS_SIGNIN_ERROR;
}
if (result.gms_check_in_error()) {
return ArcSupportHost::Error::SIGN_IN_GMS_CHECKIN_ERROR;
}
if (result.cloud_provision_flow_error()) {
return GetCloudProvisionFlowError(
result.cloud_provision_flow_error().value());
}
if (result.general_error() ==
mojom::GeneralSignInError::CHROME_SERVER_COMMUNICATION_ERROR) {
return ArcSupportHost::Error::SERVER_COMMUNICATION_ERROR;
}
if (result.general_error() ==
mojom::GeneralSignInError::NO_NETWORK_CONNECTION) {
return ArcSupportHost::Error::NETWORK_UNAVAILABLE_ERROR;
}
if (result.general_error() == mojom::GeneralSignInError::ARC_DISABLED) {
return ArcSupportHost::Error::ANDROID_MANAGEMENT_REQUIRED_ERROR;
}
if (result.stop_reason() == ArcStopReason::LOW_DISK_SPACE) {
return ArcSupportHost::Error::LOW_DISK_SPACE_ERROR;
}
return ArcSupportHost::Error::SIGN_IN_UNKNOWN_ERROR;
}
bool ShouldShowNetworkTests(const ArcProvisioningResult& result) {
if (result.gms_sign_in_error() ==
mojom::GMSSignInError::GMS_SIGN_IN_TIMEOUT ||
result.gms_sign_in_error() ==
mojom::GMSSignInError::GMS_SIGN_IN_SERVICE_UNAVAILABLE ||
result.gms_sign_in_error() ==
mojom::GMSSignInError::GMS_SIGN_IN_NETWORK_ERROR) {
return true;
}
if (result.gms_check_in_error() ==
mojom::GMSCheckInError::GMS_CHECK_IN_FAILED ||
result.gms_check_in_error() ==
mojom::GMSCheckInError::GMS_CHECK_IN_TIMEOUT) {
return true;
}
if (result.cloud_provision_flow_error() ==
mojom::CloudProvisionFlowError::ERROR_SERVER_TRANSIENT_ERROR ||
result.cloud_provision_flow_error() ==
mojom::CloudProvisionFlowError::ERROR_TIMEOUT ||
result.cloud_provision_flow_error() ==
mojom::CloudProvisionFlowError::ERROR_NETWORK_UNAVAILABLE ||
result.cloud_provision_flow_error() ==
mojom::CloudProvisionFlowError::ERROR_SERVER) {
return true;
}
if (result.general_error() ==
mojom::GeneralSignInError::GENERIC_PROVISIONING_TIMEOUT ||
result.general_error() ==
mojom::GeneralSignInError::NO_NETWORK_CONNECTION ||
result.general_error() ==
mojom::GeneralSignInError::CHROME_SERVER_COMMUNICATION_ERROR) {
return true;
}
return false;
}
ArcSessionManager::ExpansionResult ReadSaltInternal() {
DCHECK(arc::IsArcVmEnabled());
// For ARCVM, read |kArcSaltPath| if that exists.
std::optional<std::string> salt =
ReadSaltOnDisk(base::FilePath(kArcSaltPath));
if (!salt) {
return ArcSessionManager::ExpansionResult{{}, false};
}
return ArcSessionManager::ExpansionResult{std::move(*salt), true};
}
// Checks whether ARC DLCs needs to be installed/uninstalled. Currently,
// "houdini-rvc-dlc" is the only enabled DLC, so we only need to check
// for the presence of kEnableHoudiniDlc flag in the command line.
bool IsDlcRequired() {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
ash::switches::kEnableHoudiniDlc);
}
// Inform ArcMetricsServices about the starting time of ARC provisioning.
void ReportProvisioningStartTime(const base::TimeTicks& start_time,
Profile* profile) {
ArcMetricsService* metrics_service =
ArcMetricsService::GetForBrowserContext(profile);
// metrics_service might be null in unit tests.
if (metrics_service) {
auto account_type_suffix = GetHistogramNameByUserType("", profile);
metrics_service->ReportProvisioningStartTime(start_time,
account_type_suffix);
}
}
// Returns whether ARCVM /data migration is in progress and should be resumed.
bool ArcVmDataMigrationIsInProgress(PrefService* prefs) {
if (!base::FeatureList::IsEnabled(kEnableArcVmDataMigration)) {
return false;
}
return GetArcVmDataMigrationStatus(prefs) ==
ArcVmDataMigrationStatus::kStarted;
}
// The result status of deferring ARC activation until user session start up
// task completion, used for UMA.
enum class DeferArcActivationResult {
// Decided to defer, and the prediction succeeded, i.e. no activation
// happens during user session start up.
kDeferSucceeded = 0,
// Decided to defer, but the prediction failed, i.e. an activation happens
// during user session start up.
kDeferFailed = 1,
// Decided not to defer, and the prediction succeeded, i.e. an activation
// happens during user session start up.
kNotDeferSucceeded = 2,
// Decided not to defer, and the prediction failed, i.e. no activation
// happens during user session start up.
kNotDeferFailed = 3,
kMaxValue = kNotDeferFailed,
};
enum class DeferArcActivationCategory {
// ARC activation is deferred until the user session start up task completion.
kDeferred = 0,
// ARC activation is not deferred, because the user is suspected to activate
// ARC very soon.
kNotDeferred = 1,
// ARC is already activated, or the user session start up tasks are already
// completed. Thus, it was out of scope to decide deferring.
kNotTarget = 2,
kMaxValue = kNotTarget,
};
// Using 1ms as minimum for common practice.
// The delay will be up to 20 seconds, because of the timer in the tracker.
// Using 25 secs just in case for additional buffer. The number of buckets are
// linearly extrapolated from the common one.
void UmaHistogramDeferActivationTimes(const std::string& name,
base::TimeDelta elapsed) {
base::UmaHistogramCustomTimes(name, elapsed, base::Milliseconds(1),
base::Seconds(25), 125);
}
} // namespace
// This class is used to track statuses on OptIn flow. It is created in case ARC
// is activated, and it needs to OptIn. Once started OptInFlowResult::STARTED is
// recorded via UMA. If it finishes successfully OptInFlowResult::SUCCEEDED is
// recorded. Optional OptInFlowResult::SUCCEEDED_AFTER_RETRY is recorded in this
// case if an error occurred during OptIn flow, and user pressed Retry. In case
// the user cancels OptIn flow before it was completed then
// OptInFlowResult::CANCELED is recorded and if an error occurred optional
// OptInFlowResult::CANCELED_AFTER_ERROR. If a shutdown happens during the OptIn
// nothing is recorded, except initial OptInFlowResult::STARTED.
// OptInFlowResult::STARTED = OptInFlowResult::SUCCEEDED +
// OptInFlowResult::CANCELED + cases happened during the shutdown.
class ArcSessionManager::ScopedOptInFlowTracker {
public:
ScopedOptInFlowTracker() {
UpdateOptInFlowResultUMA(OptInFlowResult::STARTED);
}
ScopedOptInFlowTracker(const ScopedOptInFlowTracker&) = delete;
ScopedOptInFlowTracker& operator=(const ScopedOptInFlowTracker&) = delete;
~ScopedOptInFlowTracker() {
if (shutdown_) {
return;
}
UpdateOptInFlowResultUMA(success_ ? OptInFlowResult::SUCCEEDED
: OptInFlowResult::CANCELED);
if (error_) {
UpdateOptInFlowResultUMA(success_
? OptInFlowResult::SUCCEEDED_AFTER_RETRY
: OptInFlowResult::CANCELED_AFTER_ERROR);
}
}
// Tracks error occurred during the OptIn flow.
void TrackError() {
DCHECK(!success_ && !shutdown_);
error_ = true;
}
// Tracks that OptIn finished successfully.
void TrackSuccess() {
DCHECK(!success_ && !shutdown_);
success_ = true;
}
// Tracks that OptIn was not completed before shutdown.
void TrackShutdown() {
DCHECK(!success_ && !shutdown_);
shutdown_ = true;
}
private:
bool error_ = false;
bool success_ = false;
bool shutdown_ = false;
};
ArcSessionManager::ArcSessionManager(
std::unique_ptr<ArcSessionRunner> arc_session_runner,
std::unique_ptr<AdbSideloadingAvailabilityDelegateImpl>
adb_sideloading_availability_delegate)
: arc_session_runner_(std::move(arc_session_runner)),
adb_sideloading_availability_delegate_(
std::move(adb_sideloading_availability_delegate)),
android_management_checker_factory_(
ArcRequirementChecker::GetDefaultAndroidManagementCheckerFactory()),
attempt_user_exit_callback_(base::BindRepeating(chrome::AttemptUserExit)),
attempt_restart_callback_(base::BindRepeating(chrome::AttemptRestart)) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!g_arc_session_manager);
g_arc_session_manager = this;
arc_session_runner_->AddObserver(this);
arc_session_runner_->SetDemoModeDelegate(
std::make_unique<ArcDemoModeDelegateImpl>());
if (ash::SessionManagerClient::Get()) {
ash::SessionManagerClient::Get()->AddObserver(this);
}
ResetStabilityMetrics();
ash::ConciergeClient::Get()->AddVmObserver(this);
arc_dlc_installer_ = std::make_unique<ArcDlcInstaller>();
}
ArcSessionManager::~ArcSessionManager() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
arc_dlc_installer_.reset();
ash::ConciergeClient::Get()->RemoveVmObserver(this);
if (ash::SessionManagerClient::Get()) {
ash::SessionManagerClient::Get()->RemoveObserver(this);
}
Shutdown();
DCHECK(arc_session_runner_);
arc_session_runner_->RemoveObserver(this);
DCHECK_EQ(this, g_arc_session_manager);
g_arc_session_manager = nullptr;
}
// static
ArcSessionManager* ArcSessionManager::Get() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return g_arc_session_manager;
}
// static
void ArcSessionManager::SetUiEnabledForTesting(bool enable) {
g_ui_enabled = enable;
ArcRequirementChecker::SetUiEnabledForTesting(enable);
}
// static
void ArcSessionManager::SetArcTermsOfServiceOobeNegotiatorEnabledForTesting(
bool enable) {
ArcRequirementChecker::SetArcTermsOfServiceOobeNegotiatorEnabledForTesting(
enable);
}
// static
void ArcSessionManager::EnableCheckAndroidManagementForTesting(bool enable) {
ArcRequirementChecker::EnableCheckAndroidManagementForTesting(enable);
}
void ArcSessionManager::OnSessionStopped(ArcStopReason reason,
bool restarting) {
if (restarting) {
DCHECK_EQ(state_, State::ACTIVE);
// If ARC is being restarted, here do nothing, and just wait for its
// next run.
return;
}
DCHECK(state_ == State::ACTIVE || state_ == State::STOPPING) << state_;
state_ = State::STOPPED;
if (arc_sign_in_timer_.IsRunning()) {
OnProvisioningFinished(ArcProvisioningResult(reason));
}
for (auto& observer : observer_list_) {
observer.OnArcSessionStopped(reason);
}
MaybeStartArcDataRemoval();
if (!enable_requested_ && IsDlcRequired()) {
arc_dlc_installer_->RequestDisable();
}
}
void ArcSessionManager::OnSessionRestarting() {
for (auto& observer : observer_list_) {
observer.OnArcSessionRestarting();
}
}
void ArcSessionManager::OnProvisioningFinished(
const ArcProvisioningResult& result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// If the Mojo message to notify finishing the provisioning is already sent
// from the container, it will be processed even after requesting to stop the
// container. Ignore all |result|s arriving while ARC is disabled, in order to
// avoid popping up an error message triggered below. This code intentionally
// does not support the case of re-enabling.
if (!enable_requested_) {
LOG(WARNING) << "Provisioning result received after ARC was disabled. "
<< "Ignoring result " << result << ".";
return;
}
// Due asynchronous nature of stopping the ARC instance,
// OnProvisioningFinished may arrive after setting the |State::STOPPED| state
// and |State::Active| is not guaranteed to be set here.
// prefs::kArcDataRemoveRequested also can be active for now.
const bool provisioning_successful = result.is_success();
if (provisioning_reported_) {
// We don't expect success ArcProvisioningResult to be reported twice
// or reported after an error.
DCHECK(!provisioning_successful);
// TODO(khmel): Consider changing LOG to NOTREACHED once we guaranty that
// no double message can happen in production.
LOG(WARNING) << "Provisioning result was already reported. Ignoring "
<< "additional result " << result << ".";
return;
}
provisioning_reported_ = true;
if (scoped_opt_in_tracker_ && !provisioning_successful) {
scoped_opt_in_tracker_->TrackError();
}
if (result.general_error() ==
mojom::GeneralSignInError::CHROME_SERVER_COMMUNICATION_ERROR) {
// TODO(poromov): Consider ARC PublicSession offline mode.
// Currently ARC session will be exited below, while the main user session
// will be kept alive without Android apps.
if (IsRobotOrOfflineDemoAccountMode()) {
VLOG(1) << "Robot account auth code fetching error";
}
// For backwards compatibility, use NETWORK_ERROR for
// CHROME_SERVER_COMMUNICATION_ERROR case.
UpdateOptInCancelUMA(OptInCancelReason::NETWORK_ERROR);
} else if (!sign_in_start_time_.is_null()) {
DCHECK(profile_);
arc_sign_in_timer_.Stop();
UpdateProvisioningTiming(base::TimeTicks::Now() - sign_in_start_time_,
provisioning_successful, profile_);
UpdateProvisioningStatusUMA(GetProvisioningStatus(result), profile_);
if (result.gms_sign_in_error()) {
UpdateProvisioningSigninResultUMA(
GetSigninErrorResult(result.gms_sign_in_error().value()), profile_);
} else if (result.gms_check_in_error()) {
UpdateProvisioningCheckinResultUMA(
GetCheckinErrorResult(result.gms_check_in_error().value()), profile_);
} else if (result.cloud_provision_flow_error()) {
UpdateProvisioningDpcResultUMA(
GetDpcErrorResult(result.cloud_provision_flow_error().value()),
profile_);
}
if (!provisioning_successful) {
UpdateOptInCancelUMA(OptInCancelReason::PROVISIONING_FAILED);
}
}
PrefService* const prefs = profile_->GetPrefs();
CHECK(prefs);
if (provisioning_successful) {
if (support_host_) {
support_host_->Close();
}
if (scoped_opt_in_tracker_) {
scoped_opt_in_tracker_->TrackSuccess();
scoped_opt_in_tracker_.reset();
}
bool managed = policy_util::IsAccountManaged(profile_);
if (managed) {
UpdateProvisioningDpcResultUMA(ArcProvisioningDpcResult::kSuccess,
profile_);
} else {
UpdateProvisioningSigninResultUMA(ArcProvisioningSigninResult::kSuccess,
profile_);
}
UpdateProvisioningCheckinResultUMA(ArcProvisioningCheckinResult::kSuccess,
profile_);
prefs->SetBoolean(prefs::kArcIsManaged, managed);
if (prefs->HasPrefPath(prefs::kArcSignedIn) &&
prefs->GetBoolean(prefs::kArcSignedIn)) {
return;
}
prefs->SetBoolean(prefs::kArcSignedIn, true);
if (ShouldLaunchPlayStoreApp(
profile_,
prefs->GetBoolean(prefs::kArcProvisioningInitiatedFromOobe))) {
playstore_launcher_ = std::make_unique<ArcAppLauncher>(
profile_, kPlayStoreAppId,
apps_util::MakeIntentForActivity(
kPlayStoreActivity, kInitialStartParam, kCategoryLauncher),
false /* deferred_launch_allowed */, display::kInvalidDisplayId,
apps::LaunchSource::kFromChromeInternal);
}
prefs->ClearPref(prefs::kArcProvisioningInitiatedFromOobe);
for (auto& observer : observer_list_) {
observer.OnArcInitialStart();
}
return;
}
VLOG(1) << "ARC provisioning failed: " << result << ".";
if (result.stop_reason()) {
if (prefs->HasPrefPath(prefs::kArcSignedIn)) {
prefs->SetBoolean(prefs::kArcSignedIn, false);
}
VLOG(1) << "ARC stopped unexpectedly";
ShutdownSession();
}
if (result.cloud_provision_flow_error() ||
// OVERALL_SIGN_IN_TIMEOUT might be an indication that ARC believes it is
// fully setup, but Chrome does not.
result.is_timedout() ||
// Just to be safe, remove data if we don't know the cause.
result.general_error() == mojom::GeneralSignInError::UNKNOWN_ERROR) {
VLOG(1) << "ARC provisioning failed permanently. Removing user data";
RequestArcDataRemoval();
}
std::optional<int> error_code;
ArcSupportHost::Error support_error = GetSupportHostError(result);
if (support_error == ArcSupportHost::Error::SIGN_IN_UNKNOWN_ERROR) {
error_code = static_cast<std::underlying_type_t<ProvisioningStatus>>(
GetProvisioningStatus(result));
} else if (result.sign_in_error()) {
error_code = GetSignInErrorCode(result.sign_in_error());
}
ShowArcSupportHostError({support_error, error_code} /* error_info */,
true /* should_show_send_feedback */,
ShouldShowNetworkTests(result));
}
bool ArcSessionManager::IsAllowed() const {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
return profile_ != nullptr;
}
void ArcSessionManager::SetProfile(Profile* profile) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(!profile_);
DCHECK(IsArcAllowedForProfile(profile));
DCHECK(adb_sideloading_availability_delegate_);
adb_sideloading_availability_delegate_->SetProfile(profile);
profile_ = profile;
// RequestEnable() requires |profile_| set, therefore shouldn't have been
// called at this point.
SetArcEnabledStateMetric(false);
session_manager_observation_.Observe(session_manager::SessionManager::Get());
}
void ArcSessionManager::SetUserInfo() {
DCHECK(profile_);
DCHECK(arc_session_runner_);
const AccountId account(multi_user_util::GetAccountIdFromProfile(profile_));
const cryptohome::Identification cryptohome_id(account);
const std::string user_id_hash =
ash::ProfileHelper::GetUserIdHashFromProfile(profile_);
std::string serialno = GetSerialNumber();
arc_session_runner_->SetUserInfo(cryptohome_id, user_id_hash, serialno);
}
void ArcSessionManager::TrimVmMemory(TrimVmMemoryCallback callback,
int page_limit) {
arc_session_runner_->TrimVmMemory(std::move(callback), page_limit);
}
std::string ArcSessionManager::GetSerialNumber() const {
DCHECK(profile_);
DCHECK(arc_salt_on_disk_);
const AccountId account(multi_user_util::GetAccountIdFromProfile(profile_));
const std::string user_id_hash =
ash::ProfileHelper::GetUserIdHashFromProfile(profile_);
std::string serialno;
// ARC container doesn't need the serial number.
if (arc::IsArcVmEnabled()) {
const std::string chromeos_user =
cryptohome::CreateAccountIdentifierFromAccountId(account).account_id();
serialno = GetOrCreateSerialNumber(g_browser_process->local_state(),
chromeos_user, *arc_salt_on_disk_);
}
return serialno;
}
void ArcSessionManager::Initialize() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
DCHECK_EQ(state_, State::NOT_INITIALIZED);
state_ = State::STOPPED;
// If ExpandPropertyFilesAndReadSaltInternal() takes time to finish,
// Initialize() may be called before it finishes. In that case,
// SetUserInfo() is called in OnExpandPropertyFilesAndReadSalt().
if (arc_salt_on_disk_) {
VLOG(1) << "Calling SetUserInfo() in ArcSessionManager::Initialize";
SetUserInfo();
}
// Create the support host at initialization. Note that, practically,
// ARC support Chrome app is rarely used (only opt-in and re-auth flow).
// So, it may be better to initialize it lazily.
// TODO(hidehiko): Revisit to think about lazy initialization.
if (ShouldUseErrorDialog()) {
DCHECK(!support_host_);
support_host_ = std::make_unique<ArcSupportHost>(profile_);
support_host_->SetErrorDelegate(this);
}
auto* prefs = profile_->GetPrefs();
const cryptohome::Identification cryptohome_id(
multi_user_util::GetAccountIdFromProfile(profile_));
data_remover_ = std::make_unique<ArcDataRemover>(prefs, cryptohome_id);
if (ArcVmDataMigrationIsInProgress(prefs)) {
const int auto_resume_count =
prefs->GetInteger(prefs::kArcVmDataMigrationAutoResumeCount);
if (auto_resume_count <= kArcVmDataMigrationMaxAutoResumeCount) {
// |auto_resume_count| == kArcVmDataMigrationMaxAutoResumeCount means that
// this is the first ARC session in which auto-resume is disabled.
// Report to UMA and increment the pref value so that we can track the
// number of users who hit the maximum number of auto-resumes.
base::UmaHistogramExactLinear("Arc.VmDataMigration.AutoResumeCount",
auto_resume_count,
kArcVmDataMigrationMaxAutoResumeCount);
prefs->SetInteger(prefs::kArcVmDataMigrationAutoResumeCount,
auto_resume_count + 1);
if (auto_resume_count < kArcVmDataMigrationMaxAutoResumeCount) {
VLOG(1) << "ARCVM /data migration is in progress. Restarting Chrome "
"session to resume the migration. Auto-resume count: "
<< auto_resume_count;
attempt_restart_callback_.Run();
return;
}
}
LOG(WARNING) << "Skipping auto-resume of ARCVM /data migration, because it "
"has reached the maximum number of retries";
}
// Chrome may be shut down before completing ARC data removal.
// For such a case, start removing the data now, if necessary.
MaybeStartArcDataRemoval();
}
void ArcSessionManager::Shutdown() {
VLOG(1) << "Shutting down session manager";
enable_requested_ = false;
ResetArcState();
session_manager_observation_.Reset();
arc_session_runner_->OnShutdown();
data_remover_.reset();
if (support_host_) {
support_host_->SetErrorDelegate(nullptr);
support_host_->Close();
support_host_.reset();
}
pai_starter_.reset();
fast_app_reinstall_starter_.reset();
arc_ui_availability_reporter_.reset();
profile_ = nullptr;
state_ = State::NOT_INITIALIZED;
if (scoped_opt_in_tracker_) {
scoped_opt_in_tracker_->TrackShutdown();
scoped_opt_in_tracker_.reset();
}
}
void ArcSessionManager::ShutdownSession() {
ResetArcState();
switch (state_) {
case State::NOT_INITIALIZED:
// Ignore in NOT_INITIALIZED case. This is called in initial SetProfile
// invocation.
// TODO(hidehiko): Remove this along with the clean up.
case State::STOPPED:
// Currently, ARC is stopped. Do nothing.
case State::REMOVING_DATA_DIR:
// When data removing is done, |state_| will be set to STOPPED.
// Do nothing here.
case State::CHECKING_DATA_MIGRATION_NECESSITY:
// Checking whether /data migration is necessary. |state_| will be set to
// STOPPED when the check is done. Do nothing.
case State::STOPPING:
// Now ARC is stopping. Do nothing here.
VLOG(1) << "Skipping session shutdown because state is: " << state_;
break;
case State::CHECKING_REQUIREMENTS:
case State::READY:
// We need to kill the mini-container that might be running here.
arc_session_runner_->RequestStop();
// While RequestStop is asynchronous, ArcSessionManager is agnostic to the
// state of the mini-container, so we can set it's state_ to STOPPED
// immediately.
state_ = State::STOPPED;
break;
case State::ACTIVE:
// Request to stop the ARC. |state_| will be set to STOPPED eventually.
// Set state before requesting the runner to stop in order to prevent the
// case when |OnSessionStopped| can be called inline and as result
// |state_| might be changed.
state_ = State::STOPPING;
arc_session_runner_->RequestStop();
break;
}
}
void ArcSessionManager::ResetArcState() {
pre_start_time_ = base::TimeTicks();
start_time_ = base::TimeTicks();
arc_sign_in_timer_.Stop();
playstore_launcher_.reset();
requirement_checker_.reset();
}
void ArcSessionManager::AddObserver(ArcSessionManagerObserver* observer) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
observer_list_.AddObserver(observer);
if (property_files_expansion_result_) {
observer->OnPropertyFilesExpanded(*property_files_expansion_result_);
}
}
void ArcSessionManager::RemoveObserver(ArcSessionManagerObserver* observer) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
observer_list_.RemoveObserver(observer);
}
void ArcSessionManager::NotifyArcPlayStoreEnabledChanged(bool enabled) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
for (auto& observer : observer_list_) {
observer.OnArcPlayStoreEnabledChanged(enabled);
}
}
// This is the special method to support enterprise mojo API.
// TODO(hidehiko): Remove this.
void ArcSessionManager::StopAndEnableArc() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
reenable_arc_ = true;
StopArc();
}
void ArcSessionManager::OnArcSignInTimeout() {
LOG(ERROR) << "Timed out waiting for first sign in.";
OnProvisioningFinished(ArcProvisioningResult(ChromeProvisioningTimeout()));
}
void ArcSessionManager::CancelAuthCode() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (state_ == State::NOT_INITIALIZED) {
NOTREACHED_IN_MIGRATION();
return;
}
// If ARC failed to boot normally, stop ARC. Otherwise, ARC is booting
// normally and the instance should not be stopped.
if (state_ != State::CHECKING_REQUIREMENTS &&
(!support_host_ ||
support_host_->ui_page() != ArcSupportHost::UIPage::ERROR)) {
return;
}
MaybeUpdateOptInCancelUMA(support_host_.get());
VLOG(1) << "Auth cancelled. Stopping ARC. state: " << state_;
StopArc();
SetArcPlayStoreEnabledForProfile(profile_, false);
}
void ArcSessionManager::RequestEnable() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
if (enable_requested_) {
VLOG(1) << "ARC is already enabled. Do nothing.";
return;
}
enable_requested_ = true;
ash::ConfigureSwap(true);
SetArcEnabledStateMetric(true);
VLOG(1) << "ARC opt-in. Starting ARC session.";
if (IsDlcRequired()) {
arc_dlc_installer_->RequestEnable();
}
// |skipped_terms_of_service_negotiation_| is reset only in case terms are shown.
// In all other cases it is conidered as skipped.
skipped_terms_of_service_negotiation_ = true;
RequestEnableImpl();
}
void ArcSessionManager::OnUserSessionStartUpTaskCompleted() {
MaybeRecordFirstActivationDuringUserSessionStartUp(false);
// Allow activation only when it already turns out ARC-On-Demand does not
// delay the activation.
if (is_activation_delayed_.has_value() && !is_activation_delayed_.value()) {
AllowActivation(AllowActivationReason::kUserSessionStartUpTaskCompleted);
}
}
void ArcSessionManager::AllowActivation(AllowActivationReason reason) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
if (user_session_start_up_task_timer_.has_value() &&
reason != AllowActivationReason::kImmediateActivation) {
base::TimeDelta elapsed =
user_session_start_up_task_timer_->timer.Elapsed();
if (user_session_start_up_task_timer_->deferred) {
if (reason == AllowActivationReason::kUserSessionStartUpTaskCompleted) {
base::UmaHistogramEnumeration(
"Arc.DeferActivation.Result",
DeferArcActivationResult::kDeferSucceeded);
UmaHistogramDeferActivationTimes(
"Arc.DeferActivation.Deferred.Success.ElapsedTime", elapsed);
} else {
base::UmaHistogramEnumeration("Arc.DeferActivation.Result",
DeferArcActivationResult::kDeferFailed);
base::UmaHistogramEnumeration(
"Arc.DeferActivation.Deferred.Failure.Reason", reason);
UmaHistogramDeferActivationTimes(
"Arc.DeferActivation.Deferred.Failure.ElapsedTime", elapsed);
}
} else {
if (reason == AllowActivationReason::kUserSessionStartUpTaskCompleted) {
base::UmaHistogramEnumeration(
"Arc.DeferActivation.Result",
DeferArcActivationResult::kNotDeferFailed);
UmaHistogramDeferActivationTimes(
"Arc.DeferActivation.NotDeferred.Failure.ElapsedTime", elapsed);
} else {
base::UmaHistogramEnumeration(
"Arc.DeferActivation.Result",
DeferArcActivationResult::kNotDeferSucceeded);
base::UmaHistogramEnumeration(
"Arc.DeferActivation.NotDeferred.Success.Reason", reason);
UmaHistogramDeferActivationTimes(
"Arc.DeferActivation.NotDeferred.Success.ElapsedTime", elapsed);
}
}
user_session_start_up_task_timer_.reset();
}
// Record the first activation is happening during the user session start up
// to be referred whether or not to defer ARC for user session start up in
// following user sessions.
// ImmediateAction is ignored here. That happens when ARC gets READY and
// it is decided not to defer ARC, and it should not be considered on deciding
// whether or not to defer ARC in the following user sessions. Instead,
// a following activation is recorded, e.g. user's explicit action to launch
// an ARC app.
// TODO(hidehiko): Consider excluding non user initiated actions, such as
// forced by policy.
if (reason != AllowActivationReason::kImmediateActivation) {
MaybeRecordFirstActivationDuringUserSessionStartUp(
reason != AllowActivationReason::kUserSessionStartUpTaskCompleted);
}
// First time that ARCVM is allowed in this user session.
if (!activation_is_allowed_) {
VLOG(1) << "ARCVM activation is allowed: " << static_cast<int>(reason);
}
activation_is_allowed_ = true;
if (state_ == State::READY) {
StartArcForRegularBoot();
}
}
bool ArcSessionManager::IsPlaystoreLaunchRequestedForTesting() const {
return playstore_launcher_.get();
}
void ArcSessionManager::OnVmStarted(
const vm_tools::concierge::VmStartedSignal& vm_signal) {
// When ARCVM starts, register GuestOsMountProvider for Play files.
if (vm_signal.name() == kArcVmName) {
if (arcvm_mount_provider_id_.has_value()) {
// An old instance of ArcMountProvider can remain registered if the
// previous ARC session did not finish normally and OnVmStopped() was not
// called (due to concierge crash etc.). Unregister the old instance
// before registering a new one to prevent multiple registration like
// b/279378611.
guest_os::GuestOsService::GetForProfile(profile())
->MountProviderRegistry()
->Unregister(*arcvm_mount_provider_id_);
}
arcvm_mount_provider_id_ =
std::optional<guest_os::GuestOsMountProviderRegistry::Id>(
guest_os::GuestOsService::GetForProfile(profile())
->MountProviderRegistry()
->Register(std::make_unique<ArcMountProvider>(
profile(), vm_signal.vm_info().cid())));
}
}
void ArcSessionManager::OnVmStopped(
const vm_tools::concierge::VmStoppedSignal& vm_signal) {
// When ARCVM stops, unregister GuestOsMountProvider for Play files.
if (vm_signal.name() == kArcVmName) {
if (arcvm_mount_provider_id_.has_value()) {
guest_os::GuestOsService::GetForProfile(profile())
->MountProviderRegistry()
->Unregister(*arcvm_mount_provider_id_);
arcvm_mount_provider_id_.reset();
}
}
}
void ArcSessionManager::RequestEnableImpl() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
DCHECK(enable_requested_);
DCHECK(state_ == State::STOPPED || state_ == State::STOPPING ||
state_ == State::REMOVING_DATA_DIR ||
state_ == State::CHECKING_DATA_MIGRATION_NECESSITY)
<< state_;
if (state_ != State::STOPPED) {
// If the previous invocation of ARC is still running (but currently being
// stopped) or ARC data removal is in progress, postpone the enabling
// procedure.
reenable_arc_ = true;
return;
}
PrefService* const prefs = profile_->GetPrefs();
// |prefs::kArcProvisioningInitiatedFromOobe| is used to remember
// |IsArcOobeOptInActive| or |IsArcOptInWizardForAssistantActive| state when
// ARC start request was made initially. |IsArcOobeOptInActive| or
// |IsArcOptInWizardForAssistantActive| will be changed by the time when
// decision to auto-launch the Play Store would be made.
// |IsArcOobeOptInActive| and |IsArcOptInWizardForAssistantActive| are not
// preserved on Chrome restart also and in last case
// |prefs::kArcProvisioningInitiatedFromOobe| is used to remember the state of
// the initial request.
// |prefs::kArcProvisioningInitiatedFromOobe| is reset when provisioning is
// done or ARC is opted out.
const bool opt_in_start = IsArcOobeOptInActive();
const bool signed_in = IsArcProvisioned(profile_);
if (opt_in_start) {
prefs->SetBoolean(prefs::kArcProvisioningInitiatedFromOobe, true);
}
// If it is marked that sign in has been successfully done or if Play Store is
// not available, then directly start ARC with skipping Play Store ToS.
// For Kiosk mode, skip ToS because it is very likely that near the device
// there will be no one who is eligible to accept them.
// In Public Session mode ARC should be started silently without user
// interaction. If opt-in verification is disabled, skip negotiation, too.
// This is for testing purpose.
const bool should_start_arc_without_user_interaction =
ShouldArcAlwaysStart() || IsRobotOrOfflineDemoAccountMode() ||
IsArcOptInVerificationDisabled();
const bool skip_terms_of_service_negotiation =
signed_in || should_start_arc_without_user_interaction;
// When ARC is blocked because of filesystem compatibility, do not proceed
// to starting ARC nor follow further state transitions.
if (IsArcBlockedDueToIncompatibleFileSystem(profile_)) {
// If the next step was the ToS negotiation, show a notification instead.
// Otherwise, be silent now. Users are notified when clicking ARC app icons.
if (!skip_terms_of_service_negotiation && g_ui_enabled) {
arc::ShowArcMigrationGuideNotification(profile_);
}
return;
}
if (ArcVmDataMigrationIsInProgress(prefs)) {
VLOG(1) << "Skipping request to enable ARC because ARCVM /data migration "
"is in progress";
// Auto-resume should be disabled only when |auto_resume_enabled| is larger
// than kArcVmDataMigrationMaxAutoResumeCount. This is because the value is
// incremented in Initialize() when it is smaller than or equal to
// kArcVmDataMigrationMaxAutoResumeCount. See Initialize() for detail.
const bool auto_resume_enabled =
prefs->GetInteger(prefs::kArcVmDataMigrationAutoResumeCount) <=
kArcVmDataMigrationMaxAutoResumeCount;
for (auto& observer : observer_list_) {
observer.OnArcSessionBlockedByArcVmDataMigration(auto_resume_enabled);
}
return;
}
// ARC might be re-enabled and in this case |arc_ui_availability_reporter_| is
// already set.
if (!arc_ui_availability_reporter_) {
arc_ui_availability_reporter_ = std::make_unique<ArcUiAvailabilityReporter>(
profile_,
opt_in_start ? ArcUiAvailabilityReporter::Mode::kOobeProvisioning
: signed_in ? ArcUiAvailabilityReporter::Mode::kAlreadyProvisioned
: ArcUiAvailabilityReporter::Mode::kInSessionProvisioning);
}
if (!pai_starter_ && IsPlayStoreAvailable()) {
pai_starter_ = ArcPaiStarter::CreateIfNeeded(profile_);
}
if (!fast_app_reinstall_starter_ && IsPlayStoreAvailable()) {
fast_app_reinstall_starter_ = ArcFastAppReinstallStarter::CreateIfNeeded(
profile_, profile_->GetPrefs());
}
if (should_start_arc_without_user_interaction) {
AllowActivation(AllowActivationReason::kAlwaysStartIsEnabled);
}
if (skip_terms_of_service_negotiation) {
state_ = State::READY;
if (activation_is_allowed_) {
StartArcForRegularBoot();
} else {
DCHECK(!activation_necessity_checker_);
activation_necessity_checker_ =
std::make_unique<ArcActivationNecessityChecker>(
profile_, adb_sideloading_availability_delegate_.get());
activation_necessity_checker_->Check(
base::BindOnce(&ArcSessionManager::OnActivationNecessityChecked,
weak_ptr_factory_.GetWeakPtr()));
}
return;
}
MaybeStartTermsOfServiceNegotiation();
}
void ArcSessionManager::OnActivationNecessityChecked(bool result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(activation_necessity_checker_);
base::UmaHistogramBoolean("Arc.ArcOnDemand.ActivationIsDelayed", !result);
activation_necessity_checker_.reset();
is_activation_delayed_ = !result;
if (result) {
bool should_defer =
!activation_is_allowed_ && !session_manager::SessionManager::Get()
->IsUserSessionStartUpTaskCompleted();
if (base::FeatureList::IsEnabled(
kDeferArcActivationUntilUserSessionStartUpTaskCompletion)) {
if (should_defer) {
should_defer =
ShouldDeferArcActivationUntilUserSessionStartUpTaskCompletion(
profile_->GetPrefs());
if (should_defer) {
base::UmaHistogramEnumeration("Arc.DeferActivation.Category",
DeferArcActivationCategory::kDeferred);
} else {
base::UmaHistogramEnumeration(
"Arc.DeferActivation.Category",
DeferArcActivationCategory::kNotDeferred);
}
user_session_start_up_task_timer_.emplace(
UserSessionStartUpTaskTimer{base::ElapsedTimer(), should_defer});
} else {
base::UmaHistogramEnumeration("Arc.DeferActivation.Category",
DeferArcActivationCategory::kNotTarget);
}
}
if (should_defer) {
// Wait for the user session start up task completion to prioritize
// resources for them.
VLOG(1) << "ARC activation is deferred until user sesssion start up "
<< "tasks are completed";
} else {
// In AllowActivation, actual ARC instance is going to be launched,
// so call it here even if `activation_is_allowed_` checked above is
// true, intentionally.
AllowActivation(AllowActivationReason::kImmediateActivation);
}
} else {
VLOG(1) << "Activation is not allowed yet. Not starting ARC for now.";
for (auto& observer : observer_list_) {
observer.OnArcStartDelayed();
}
}
}
void ArcSessionManager::RequestDisable(bool remove_arc_data) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
if (!enable_requested_) {
VLOG(1) << "ARC is already disabled. "
<< "Killing an instance for login screen (if any).";
arc_session_runner_->RequestStop();
return;
}
VLOG(1) << "Disabling ARC.";
skipped_terms_of_service_negotiation_ = false;
enable_requested_ = false;
SetArcEnabledStateMetric(false);
scoped_opt_in_tracker_.reset();
pai_starter_.reset();
fast_app_reinstall_starter_.reset();
arc_ui_availability_reporter_.reset();
// Reset any pending request to re-enable ARC.
reenable_arc_ = false;
StopArc();
if (remove_arc_data) {
RequestArcDataRemoval();
}
ash::ConfigureSwap(false);
}
void ArcSessionManager::RequestDisable() {
RequestDisable(false);
}
void ArcSessionManager::RequestDisableWithArcDataRemoval() {
RequestDisable(true);
}
void ArcSessionManager::RequestArcDataRemoval() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
DCHECK(data_remover_);
VLOG(1) << "Scheduling ARC data removal.";
// TODO(hidehiko): DCHECK the previous state. This is called for four cases;
// 1) Supporting managed user initial disabled case (Please see also
// ArcPlayStoreEnabledPreferenceHandler::Start() for details).
// 2) Supporting enterprise triggered data removal.
// 3) One called in OnProvisioningFinished().
// 4) On request disabling.
// After the state machine is fixed, 2) should be replaced by
// RequestDisable() immediately followed by RequestEnable().
// 3) and 4) are internal state transition. So, as for public interface, 1)
// should be the only use case, and the |state_| should be limited to
// STOPPED, then.
// TODO(hidehiko): Think a way to get rid of 1), too.
data_remover_->Schedule();
auto* prefs = profile_->GetPrefs();
prefs->SetInteger(prefs::kArcManagementTransition,
static_cast<int>(ArcManagementTransition::NO_TRANSITION));
if (ArcVmDataMigrationIsInProgress(prefs)) {
VLOG(1) << "Skipping ARC /data removal because ARCVM /data migration is "
"in progress";
return;
}
// To support 1) case above, maybe start data removal.
if (state_ == State::STOPPED) {
MaybeStartArcDataRemoval();
}
}
void ArcSessionManager::MaybeStartTermsOfServiceNegotiation() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
DCHECK(!requirement_checker_);
// In Public Session mode, Terms of Service negotiation should be skipped.
// See also RequestEnableImpl().
DCHECK(!IsRobotOrOfflineDemoAccountMode());
// If opt-in verification is disabled, Terms of Service negotiation should
// be skipped, too. See also RequestEnableImpl().
DCHECK(!IsArcOptInVerificationDisabled());
DCHECK_EQ(state_, State::STOPPED);
state_ = State::CHECKING_REQUIREMENTS;
// TODO(hidehiko): In kArcSignedIn = true case, this method should never
// be called. Remove the check.
// Conceptually, this is starting ToS negotiation, rather than opt-in flow.
// Move to RequestEnabledImpl.
if (!scoped_opt_in_tracker_ &&
!profile_->GetPrefs()->GetBoolean(prefs::kArcSignedIn)) {
scoped_opt_in_tracker_ = std::make_unique<ScopedOptInFlowTracker>();
}
bool is_terms_of_service_negotiation_needed = true;
if (!IsArcTermsOfServiceNegotiationNeeded(profile_)) {
if (IsArcStatsReportingEnabled() &&
!profile_->GetPrefs()->GetBoolean(prefs::kArcTermsAccepted)) {
// Don't enable stats reporting for users who are not shown the reporting
// notice during ARC setup.
profile_->GetPrefs()->SetBoolean(prefs::kArcSkippedReportingNotice, true);
}
is_terms_of_service_negotiation_needed = false;
} else {
DCHECK(arc_session_runner_);
// Only set ARC signed in status here before calling StartMiniArc() since
// we have valid profile available with cryptohome mounted.
arc_session_runner_->set_arc_signed_in(IsArcProvisioned(profile_));
// Start the mini-container (or mini-VM) here to save time starting the OS
// if the user decides to opt-in. Unlike calling StartMiniArc() for ARCVM on
// login screen, doing so on ToS screen is safe and desirable. The user has
// already shown the intent to opt-in (or, if this is during OOBE, accepting
// the ToS is mandatory), and the user's cryptohome has already been
// mounted. vm_concierge is already running too. For those reasons, calling
// StartMiniArc() for ARCVM here will actually make its perceived boot time
// faster.
StartMiniArc();
}
skipped_terms_of_service_negotiation_ =
!is_terms_of_service_negotiation_needed;
requirement_checker_ = std::make_unique<ArcRequirementChecker>(
profile_, support_host_.get(), android_management_checker_factory_);
requirement_checker_->AddObserver(this);
requirement_checker_->StartRequirementChecks(
is_terms_of_service_negotiation_needed,
base::BindOnce(&ArcSessionManager::OnRequirementChecksDone,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::StartArcForTesting() {
enable_requested_ = true;
StartArc();
}
void ArcSessionManager::OnArcOptInManagementCheckStarted() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// State::STOPPED appears here in following scenario.
// Initial provisioning finished with state
// ProvisioningStatus::ArcStop or
// ProvisioningStatus::CHROME_SERVER_COMMUNICATION_ERROR.
// At this moment |prefs::kArcTermsAccepted| is set to true, once user
// confirmed ToS prior to provisioning flow. Once user presses "Try Again"
// button, OnRetryClicked calls this immediately.
DCHECK(state_ == State::CHECKING_REQUIREMENTS || state_ == State::STOPPED)
<< state_;
for (auto& observer : observer_list_) {
observer.OnArcOptInManagementCheckStarted();
}
}
void ArcSessionManager::OnRequirementChecksDone(
ArcRequirementChecker::RequirementCheckResult result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::CHECKING_REQUIREMENTS);
DCHECK(requirement_checker_);
requirement_checker_.reset();
switch (result) {
case ArcRequirementChecker::RequirementCheckResult::kOk:
VLOG(1) << "Starting ARC for first sign in.";
for (auto& observer : observer_list_) {
observer.OnArcOptInUserAction();
}
StartArc();
break;
case ArcRequirementChecker::RequirementCheckResult::
kTermsOfServicesDeclined:
// User does not accept the Terms of Service. Disable Google Play Store.
MaybeUpdateOptInCancelUMA(support_host_.get());
SetArcPlayStoreEnabledForProfile(profile_, false);
break;
case ArcRequirementChecker::RequirementCheckResult::
kDisallowedByAndroidManagement:
ShowArcSupportHostError(
ArcSupportHost::ErrorInfo(
ArcSupportHost::Error::ANDROID_MANAGEMENT_REQUIRED_ERROR),
false /* should_show_send_feedback */,
false /* should_show_run_network_tests */);
UpdateOptInCancelUMA(OptInCancelReason::ANDROID_MANAGEMENT_REQUIRED);
break;
case ArcRequirementChecker::RequirementCheckResult::
kAndroidManagementCheckError:
ShowArcSupportHostError(
ArcSupportHost::ErrorInfo(
ArcSupportHost::Error::SERVER_COMMUNICATION_ERROR),
true /* should_show_send_feedback */,
true /* should_show_run_network_tests */);
UpdateOptInCancelUMA(OptInCancelReason::NETWORK_ERROR);
break;
}
}
void ArcSessionManager::StartBackgroundRequirementChecks() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::ACTIVE);
DCHECK(!requirement_checker_);
// We skip Android management check for Public Session mode, because they
// don't use real google accounts.
if (IsArcOptInVerificationDisabled() || IsRobotOrOfflineDemoAccountMode()) {
return;
}
requirement_checker_ = std::make_unique<ArcRequirementChecker>(
profile_, support_host_.get(), android_management_checker_factory_);
requirement_checker_->StartBackgroundChecks(
base::BindOnce(&ArcSessionManager::OnBackgroundRequirementChecksDone,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::OnBackgroundRequirementChecksDone(
ArcRequirementChecker::BackgroundCheckResult result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(requirement_checker_);
requirement_checker_.reset();
switch (result) {
case ArcRequirementChecker::BackgroundCheckResult::kNoActionRequired:
break;
case ArcRequirementChecker::BackgroundCheckResult::kArcShouldBeDisabled:
SetArcPlayStoreEnabledForProfile(profile_, false);
break;
case ArcRequirementChecker::BackgroundCheckResult::kArcShouldBeRestarted:
StopAndEnableArc();
break;
}
}
void ArcSessionManager::StartArc() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(state_ == State::STOPPED || state_ == State::CHECKING_REQUIREMENTS ||
state_ == State::READY)
<< state_;
state_ = State::ACTIVE;
MaybeStartTimer();
// ARC must be started only if no pending data removal request exists.
DCHECK(profile_);
DCHECK(!profile_->GetPrefs()->GetBoolean(prefs::kArcDataRemoveRequested));
for (auto& observer : observer_list_) {
observer.OnArcStarted();
}
start_time_ = base::TimeTicks::Now();
// In case ARC started without mini-ARC |pre_start_time_| is not set.
if (pre_start_time_.is_null()) {
pre_start_time_ = start_time_;
}
provisioning_reported_ = false;
std::string locale;
std::string preferred_languages;
if (IsArcLocaleSyncDisabled()) {
// Use fixed locale and preferred languages for auto-tests.
locale = "en-US";
preferred_languages = "en-US,en";
VLOG(1) << "Locale and preferred languages are fixed to " << locale << ","
<< preferred_languages << ".";
} else {
GetLocaleAndPreferredLanguages(profile_, &locale, &preferred_languages);
}
DCHECK(arc_session_runner_);
arc_session_runner_->set_default_device_scale_factor(
exo::GetDefaultDeviceScaleFactor());
UpgradeParams params;
const auto* demo_session = ash::DemoSession::Get();
params.is_demo_session = demo_session && demo_session->started();
if (params.is_demo_session) {
DCHECK(demo_session->components()->resources_component_loaded());
params.demo_session_apps_path =
demo_session->components()->GetDemoAndroidAppsPath();
}
params.management_transition = GetManagementTransition(profile_);
params.locale = locale;
// Empty |preferred_languages| is converted to empty array.
params.preferred_languages = base::SplitString(
preferred_languages, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
user_manager::UserManager* user_manager = user_manager::UserManager::Get();
DCHECK(user_manager->GetPrimaryUser());
params.account_id =
cryptohome::Identification(user_manager->GetPrimaryUser()->GetAccountId())
.id();
params.is_account_managed =
profile_->GetProfilePolicyConnector()->IsManaged();
arc_session_runner_->set_arc_signed_in(IsArcProvisioned(profile_));
arc_session_runner_->RequestUpgrade(std::move(params));
}
void ArcSessionManager::StartArcForRegularBoot() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::READY);
DCHECK(activation_is_allowed_);
VLOG(1) << "Starting ARC for a regular boot.";
StartArc();
// Check Android management in parallel.
// Note: StartBackgroundRequirementManagementChecks() may call
// OnBackgroundRequirementChecksDone() synchronously (or asynchronously). In
// the callback, Google Play Store enabled preference can be set to false if
// Android management is enabled, and it triggers RequestDisable() via
// ArcPlayStoreEnabledPreferenceHandler.
// Thus, StartArc() should be called so that disabling should work even
// if synchronous call case.
StartBackgroundRequirementChecks();
}
void ArcSessionManager::RequestStopOnLowDiskSpace() {
arc_session_runner_->RequestStop();
}
void ArcSessionManager::StopArc() {
// TODO(hidehiko): This STOPPED guard should be unnecessary. Remove it later.
// |reenable_arc_| may be set in |StopAndEnableArc| in case enterprise
// management state is lost.
if (!reenable_arc_ && state_ != State::STOPPED) {
profile_->GetPrefs()->SetBoolean(prefs::kArcSignedIn, false);
profile_->GetPrefs()->SetBoolean(prefs::kArcPaiStarted, false);
profile_->GetPrefs()->SetBoolean(prefs::kArcTermsAccepted, false);
profile_->GetPrefs()->SetBoolean(prefs::kArcFastAppReinstallStarted, false);
profile_->GetPrefs()->SetBoolean(prefs::kArcProvisioningInitiatedFromOobe,
false);
profile_->GetPrefs()->ClearPref(prefs::kArcIsManaged);
}
ShutdownSession();
if (support_host_) {
support_host_->Close();
}
}
void ArcSessionManager::MaybeStartArcDataRemoval() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(profile_);
// Data removal cannot run in parallel with ARC session.
// LoginScreen instance does not use data directory, so removing should work.
DCHECK_EQ(state_, State::STOPPED);
state_ = State::REMOVING_DATA_DIR;
data_remover_->Run(base::BindOnce(&ArcSessionManager::OnArcDataRemoved,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::OnArcDataRemoved(std::optional<bool> result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::REMOVING_DATA_DIR);
DCHECK(profile_);
state_ = State::STOPPED;
if (result.has_value()) {
// Regardless of whether it is successfully done or not, notify observers.
for (auto& observer : observer_list_) {
observer.OnArcDataRemoved();
}
// Note: Currently, we may re-enable ARC even if data removal fails.
// We may have to avoid it.
}
if (!base::FeatureList::IsEnabled(kEnableArcVmDataMigration) ||
GetArcVmDataMigrationStatus(profile_->GetPrefs()) ==
ArcVmDataMigrationStatus::kFinished) {
// No need to check the necessity of ARCVM /data migration.
MaybeReenableArc();
return;
}
CheckArcVmDataMigrationNecessity(base::BindOnce(
&ArcSessionManager::MaybeReenableArc, weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::CheckArcVmDataMigrationNecessity(
base::OnceClosure callback) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::STOPPED);
state_ = State::CHECKING_DATA_MIGRATION_NECESSITY;
DCHECK(profile_);
DCHECK(!arc_vm_data_migration_necessity_checker_);
arc_vm_data_migration_necessity_checker_ =
std::make_unique<ArcVmDataMigrationNecessityChecker>(profile_);
arc_vm_data_migration_necessity_checker_->Check(
base::BindOnce(&ArcSessionManager::OnArcVmDataMigrationNecessityChecked,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void ArcSessionManager::OnArcVmDataMigrationNecessityChecked(
base::OnceClosure callback,
std::optional<bool> result) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::CHECKING_DATA_MIGRATION_NECESSITY);
state_ = State::STOPPED;
DCHECK(profile_);
DCHECK(arc_vm_data_migration_necessity_checker_);
arc_vm_data_migration_necessity_checker_.reset();
// We assume that the migration is needed when |result| has no value, i.e.,
// when ArcVmDataMigrationNecessityChecker could not determine the necessity.
if (!result.value_or(true)) {
VLOG(1) << "No need to perform ARCVM /data migration. Marking the migration"
<< " as finished";
base::UmaHistogramEnumeration(
GetHistogramNameByUserType(kArcVmDataMigrationFinishReasonHistogramName,
profile_),
ArcVmDataMigrationFinishReason::kNoDataToMigrate);
SetArcVmDataMigrationStatus(profile_->GetPrefs(),
ArcVmDataMigrationStatus::kFinished);
}
std::move(callback).Run();
}
void ArcSessionManager::MaybeReenableArc() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK_EQ(state_, State::STOPPED);
DCHECK(arc_session_runner_);
DCHECK(profile_);
// Whether to use virtio-blk for /data depends on the status of ARCVM /data
// migration, which can be updated between Initialize() and MaybeReenableArc()
// by CheckArcVmDataMigrationNecessity(). Hence it should be set here.
arc_session_runner_->set_use_virtio_blk_data(
ShouldUseVirtioBlkData(profile_->GetPrefs()));
if (!reenable_arc_) {
// Re-enabling is not triggered. Do nothing.
return;
}
DCHECK(enable_requested_);
// Restart ARC anyway. Let the enterprise reporting instance decide whether
// the ARC user data wipe is still required or not.
reenable_arc_ = false;
VLOG(1) << "Reenable ARC";
RequestEnableImpl();
}
// Starts a timer to check if provisioning takes too long. The timer will not be
// set if this device was previously provisioned successfully.
void ArcSessionManager::MaybeStartTimer() {
if (IsArcProvisioned(profile_)) {
return;
}
VLOG(1) << "Setup provisioning timer";
sign_in_start_time_ = base::TimeTicks::Now();
ReportProvisioningStartTime(sign_in_start_time_, profile_);
arc_sign_in_timer_.Start(
FROM_HERE, kArcSignInTimeout,
base::BindOnce(&ArcSessionManager::OnArcSignInTimeout,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::StartMiniArc() {
DCHECK(arc_session_runner_);
pre_start_time_ = base::TimeTicks::Now();
arc_session_runner_->set_default_device_scale_factor(
exo::GetDefaultDeviceScaleFactor());
arc_session_runner_->RequestStartMiniInstance();
}
void ArcSessionManager::OnWindowClosed() {
CancelAuthCode();
// If network-related error occurred, collect UMA stats on user action.
if (support_host_ && support_host_->GetShouldShowRunNetworkTests()) {
UpdateOptInNetworkErrorActionUMA(
arc::OptInNetworkErrorActionType::WINDOW_CLOSED);
}
}
void ArcSessionManager::OnRetryClicked() {
DCHECK(!g_ui_enabled || support_host_);
DCHECK(!g_ui_enabled ||
support_host_->ui_page() == ArcSupportHost::UIPage::ERROR);
DCHECK(!requirement_checker_);
UpdateOptInActionUMA(OptInActionType::RETRY);
VLOG(1) << "Retry button clicked";
if (state_ == State::ACTIVE) {
// ERROR_WITH_FEEDBACK is set in OnSignInFailed(). In the case, stopping
// ARC was postponed to contain its internal state into the report.
// Here, on retry, stop it, then restart.
if (support_host_) {
support_host_->ShowArcLoading();
}
// In unit tests ShutdownSession may be executed inline and OnSessionStopped
// is called before |reenable_arc_| is set.
reenable_arc_ = true;
ShutdownSession();
} else {
// Otherwise, we start ARC once it is stopped now. Usually ARC container is
// left active after provisioning failure but in case
// ProvisioningStatus::ARC_STOPPED and
// ProvisioningStatus::CHROME_SERVER_COMMUNICATION_ERROR failures
// container is stopped. At this point ToS is already accepted and
// IsArcTermsOfServiceNegotiationNeeded returns true or ToS needs not to be
// shown at all. However there is an exception when this does not happen in
// case an error page is shown when re-opt-in right after opt-out (this is a
// bug as it should not show an error). When the user click the retry
// button on this error page, we may start ToS negotiation instead of
// recreating the instance.
// TODO(hidehiko): consider removing this case after fixing the bug.
MaybeStartTermsOfServiceNegotiation();
}
// If network-related error occurred, collect UMA stats on user action.
if (support_host_ && support_host_->GetShouldShowRunNetworkTests()) {
UpdateOptInNetworkErrorActionUMA(arc::OptInNetworkErrorActionType::RETRY);
}
}
void ArcSessionManager::OnErrorPageShown(bool network_tests_shown) {
if (network_tests_shown) {
UpdateOptInNetworkErrorActionUMA(
arc::OptInNetworkErrorActionType::ERROR_SHOWN);
}
}
void ArcSessionManager::OnSendFeedbackClicked() {
DCHECK(support_host_);
chrome::OpenFeedbackDialog(nullptr, feedback::kFeedbackSourceArcApp);
// If network-related error occurred, collect UMA stats on user action.
if (support_host_->GetShouldShowRunNetworkTests()) {
UpdateOptInNetworkErrorActionUMA(
arc::OptInNetworkErrorActionType::SEND_FEEDBACK);
}
}
void ArcSessionManager::OnRunNetworkTestsClicked() {
DCHECK(support_host_);
ash::DiagnosticsDialog::ShowDialog(
ash::DiagnosticsDialog::DiagnosticsPage::kConnectivity,
support_host_->GetNativeWindow());
// Network-related error occurred so collect UMA stats on user action.
UpdateOptInNetworkErrorActionUMA(
arc::OptInNetworkErrorActionType::CHECK_NETWORK);
}
void ArcSessionManager::SetArcSessionRunnerForTesting(
std::unique_ptr<ArcSessionRunner> arc_session_runner) {
DCHECK(arc_session_runner);
DCHECK(arc_session_runner_);
arc_session_runner_->RemoveObserver(this);
arc_session_runner_ = std::move(arc_session_runner);
arc_session_runner_->AddObserver(this);
}
ArcSessionRunner* ArcSessionManager::GetArcSessionRunnerForTesting() {
return arc_session_runner_.get();
}
void ArcSessionManager::SetAttemptUserExitCallbackForTesting(
const base::RepeatingClosure& callback) {
DCHECK(!callback.is_null());
attempt_user_exit_callback_ = callback;
}
void ArcSessionManager::SetAttemptRestartCallbackForTesting(
const base::RepeatingClosure& callback) {
DCHECK(!callback.is_null());
attempt_restart_callback_ = callback;
}
void ArcSessionManager::ShowArcSupportHostError(
ArcSupportHost::ErrorInfo error_info,
bool should_show_send_feedback,
bool should_show_run_network_tests) {
if (support_host_) {
support_host_->ShowError(error_info, should_show_send_feedback,
should_show_run_network_tests);
}
for (auto& observer : observer_list_) {
observer.OnArcErrorShowRequested(error_info);
}
}
void ArcSessionManager::EmitLoginPromptVisibleCalled() {
// Since 'login-prompt-visible' Upstart signal starts all Upstart jobs the
// instance may depend on such as cras, EmitLoginPromptVisibleCalled() is the
// safe place to start a mini instance.
if (!IsArcAvailable()) {
return;
}
if (IsArcVmEnabled()) {
// For ARCVM, don't try to start ARCVM on login screen.
// Calling StartMiniArc() on login screen for ARCVM does more harm than
// good. First, the ARCVM boot sequence started by StartMiniArc() stops
// relatively early in ArcVmClientAdapter which waits for vm_concierge to
// start (note that vm_concierge does not run on login screen these days.)
// Because of this, crosvm for ARCVM won't start until the user signs into
// their user session. Second, after the sign-in, the rest of the mini-ARCVM
// startup sequence is executed regardless of whether the user has opted
// into ARC. For opt-out users(*), ARCVM will eventually be stopped, but the
// stop request may be issued after mini-VM is started. This is a complete
// waste of resources and may also cause page caches evictions making Chrome
// UI less responsive.
// (*) This includes Kiosk mode. See b/197510998 for more info.
VLOG(1) << "Starting ARCVM on login screen is not supported.";
return;
}
if (!ShouldArcStartManually()) {
StartMiniArc();
}
}
void ArcSessionManager::ExpandPropertyFilesAndReadSalt() {
VLOG(1) << "Started expanding *.prop files";
// For ARCVM, generate <dest_path>/{combined.prop,fstab}. For ARC, generate
// <dest_path>/{default,build,vendor_build}.prop.
const bool is_arcvm = arc::IsArcVmEnabled();
std::deque<JobDesc> jobs = {
JobDesc{kArcPrepareHostGeneratedDirJobName,
UpstartOperation::JOB_STOP_AND_START,
{std::string("IS_ARCVM=") + (is_arcvm ? "1" : "0")}},
};
ConfigureUpstartJobs(std::move(jobs),
base::BindOnce(&ArcSessionManager::OnExpandPropertyFiles,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::OnExpandPropertyFiles(bool result) {
if (!result) {
LOG(ERROR) << "Failed to expand property files";
OnExpandPropertyFilesAndReadSalt(
ArcSessionManager::ExpansionResult{{}, false});
return;
}
if (!arc::IsArcVmEnabled()) {
OnExpandPropertyFilesAndReadSalt(
ArcSessionManager::ExpansionResult{{}, true});
return;
}
base::ThreadPool::PostTaskAndReplyWithResult(
FROM_HERE, {base::MayBlock(), base::TaskPriority::USER_VISIBLE},
base::BindOnce(&ReadSaltInternal),
base::BindOnce(&ArcSessionManager::OnExpandPropertyFilesAndReadSalt,
weak_ptr_factory_.GetWeakPtr()));
}
void ArcSessionManager::OnExpandPropertyFilesAndReadSalt(
ExpansionResult result) {
// ExpandPropertyFilesAndReadSalt() should be called only once.
DCHECK(!property_files_expansion_result_);
arc_salt_on_disk_ = result.first;
property_files_expansion_result_ = result.second;
// See the comment in Initialize().
if (profile_) {
VLOG(1) << "Calling SetUserInfo() in "
<< "ArcSessionManager::OnExpandPropertyFilesAndReadSalt";
SetUserInfo();
}
if (result.second) {
DCHECK(arc_session_runner_);
arc_session_runner_->set_arc_signed_in(IsArcProvisioned(profile_));
arc_session_runner_->ResumeRunner();
}
for (auto& observer : observer_list_) {
observer.OnPropertyFilesExpanded(*property_files_expansion_result_);
}
}
void ArcSessionManager::StopMiniArcIfNecessary() {
// This method should only be called before login.
DCHECK(!profile_);
DCHECK(arc_session_runner_);
pre_start_time_ = base::TimeTicks();
VLOG(1) << "Stopping mini-ARC instance (if any)";
arc_session_runner_->RequestStop();
}
void ArcSessionManager::MaybeRecordFirstActivationDuringUserSessionStartUp(
bool value) {
if (is_first_activation_during_user_session_start_up_recorded_) {
return;
}
is_first_activation_during_user_session_start_up_recorded_ = true;
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
ash::switches::kLoginUser)) {
// On browser restart, we don't record the user session start up,
// because the start up process is different.
// Theoretically, this is not a pure user login start up, so out of
// the scope.
// Practically, start up tasks are considered to be completed
// quickly as a workaround of the current architecture (b/328339021),
// so the recording is not reliable.
return;
}
CHECK(profile_);
RecordFirstActivationDuringUserSessionStartUp(profile_->GetPrefs(), value);
}
std::ostream& operator<<(std::ostream& os,
const ArcSessionManager::State& state) {
#define MAP_STATE(name) \
case ArcSessionManager::State::name: \
return os << #name
switch (state) {
MAP_STATE(NOT_INITIALIZED);
MAP_STATE(STOPPED);
MAP_STATE(CHECKING_REQUIREMENTS);
MAP_STATE(CHECKING_DATA_MIGRATION_NECESSITY);
MAP_STATE(REMOVING_DATA_DIR);
MAP_STATE(READY);
MAP_STATE(ACTIVE);
MAP_STATE(STOPPING);
}
#undef MAP_STATE
// Some compilers report an error even if all values of an enum-class are
// covered exhaustively in a switch statement.
NOTREACHED_IN_MIGRATION() << "Invalid value " << static_cast<int>(state);
return os;
}
} // namespace arc