chrome/browser/chromeos/login/enrollment/enrollment_screen.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/callback.h"
  10 #include "base/logging.h"
  11 #include "base/metrics/histogram.h"
  12 #include "base/timer/elapsed_timer.h"
  13 #include "chrome/browser/browser_process.h"
  14 #include "chrome/browser/browser_process_platform_part.h"
  15 #include "chrome/browser/chromeos/login/enrollment/enrollment_uma.h"
  16 #include "chrome/browser/chromeos/login/screen_manager.h"
  17 #include "chrome/browser/chromeos/login/screens/base_screen_delegate.h"
  18 #include "chrome/browser/chromeos/login/startup_utils.h"
  19 #include "chrome/browser/chromeos/login/wizard_controller.h"
  20 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  21 #include "chrome/browser/chromeos/policy/enrollment_status_chromeos.h"
  22 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  23 #include "chromeos/dbus/cryptohome_client.h"
  24 #include "chromeos/dbus/dbus_method_call_status.h"
  25 #include "chromeos/dbus/dbus_thread_manager.h"
  26 #include "components/pairing/controller_pairing_controller.h"
  27 #include "google_apis/gaia/gaia_auth_util.h"
  28
  29 using namespace pairing_chromeos;
  30
  31 // Do not change the UMA histogram parameters without renaming the histograms!
  32 #define UMA_ENROLLMENT_TIME(histogram_name, elapsed_timer) \
  33   do {                                                     \
  34     UMA_HISTOGRAM_CUSTOM_TIMES(                            \
  35       (histogram_name),                                    \
  36       (elapsed_timer)->Elapsed(),                          \
  37       base::TimeDelta::FromMilliseconds(100) /* min */,    \
  38       base::TimeDelta::FromMinutes(15) /* max */,          \
  39       100 /* bucket_count */);                             \
  40   } while (0)
  41
  42 namespace {
  43
  44 const char * const kMetricEnrollmentTimeCancel =
  45     "Enterprise.EnrollmentTime.Cancel";
  46 const char * const kMetricEnrollmentTimeFailure =
  47     "Enterprise.EnrollmentTime.Failure";
  48 const char * const kMetricEnrollmentTimeSuccess =
  49     "Enterprise.EnrollmentTime.Success";
  50
  51 }  // namespace
  52
  53 namespace chromeos {
  54
  55 // static
  56 EnrollmentScreen* EnrollmentScreen::Get(ScreenManager* manager) {
  57   return static_cast<EnrollmentScreen*>(
  58       manager->GetScreen(WizardController::kEnrollmentScreenName));
  59 }
  60
  61 EnrollmentScreen::EnrollmentScreen(BaseScreenDelegate* base_screen_delegate,
  62                                    EnrollmentScreenActor* actor)
  63     : BaseScreen(base_screen_delegate),
  64       shark_controller_(NULL),
  65       remora_controller_(NULL),
  66       actor_(actor),
  67       enrollment_failed_once_(false),
  68       weak_ptr_factory_(this) {
  69   // Init the TPM if it has not been done until now (in debug build we might
  70   // have not done that yet).
  71   DBusThreadManager::Get()->GetCryptohomeClient()->TpmCanAttemptOwnership(
  72       EmptyVoidDBusMethodCallback());
  73 }
  74
  75 EnrollmentScreen::~EnrollmentScreen() {
  76   if (remora_controller_)
  77     remora_controller_->RemoveObserver(this);
  78   DCHECK(!enrollment_helper_ || g_browser_process->IsShuttingDown());
  79 }
  80
  81 void EnrollmentScreen::SetParameters(
  82     const policy::EnrollmentConfig& enrollment_config,
  83     pairing_chromeos::ControllerPairingController* shark_controller,
  84     pairing_chromeos::HostPairingController* remora_controller) {
  85   enrollment_config_ = enrollment_config;
  86   shark_controller_ = shark_controller;
  87   if (remora_controller_)
  88     remora_controller_->RemoveObserver(this);
  89   remora_controller_ = remora_controller;
  90   if (remora_controller_)
  91     remora_controller_->AddObserver(this);
  92   actor_->SetParameters(this, enrollment_config_);
  93 }
  94
  95 void EnrollmentScreen::CreateEnrollmentHelper() {
  96   DCHECK(!enrollment_helper_);
  97   enrollment_helper_ = EnterpriseEnrollmentHelper::Create(
  98       this, enrollment_config_, enrolling_user_domain_);
  99 }
 100
 101 void EnrollmentScreen::ClearAuth(const base::Closure& callback) {
 102   if (!enrollment_helper_) {
 103     callback.Run();
 104     return;
 105   }
 106   enrollment_helper_->ClearAuth(base::Bind(&EnrollmentScreen::OnAuthCleared,
 107                                            weak_ptr_factory_.GetWeakPtr(),
 108                                            callback));
 109 }
 110
 111 void EnrollmentScreen::OnAuthCleared(const base::Closure& callback) {
 112   enrollment_helper_.reset();
 113   callback.Run();
 114 }
 115
 116 void EnrollmentScreen::PrepareToShow() {
 117   actor_->PrepareToShow();
 118 }
 119
 120 void EnrollmentScreen::Show() {
 121   UMA(policy::kMetricEnrollmentTriggered);
 122   ClearAuth(base::Bind(&EnrollmentScreen::ShowSigninScreen,
 123                        weak_ptr_factory_.GetWeakPtr()));
 124 }
 125
 126 void EnrollmentScreen::Hide() {
 127   actor_->Hide();
 128   weak_ptr_factory_.InvalidateWeakPtrs();
 129 }
 130
 131 std::string EnrollmentScreen::GetName() const {
 132   return WizardController::kEnrollmentScreenName;
 133 }
 134
 135 void EnrollmentScreen::PairingStageChanged(Stage new_stage) {
 136   DCHECK(remora_controller_);
 137   if (new_stage == HostPairingController::STAGE_FINISHED) {
 138     remora_controller_->RemoveObserver(this);
 139     remora_controller_ = NULL;
 140     OnConfirmationClosed();
 141   }
 142 }
 143
 144 void EnrollmentScreen::ConfigureHost(bool accepted_eula,
 145                                      const std::string& lang,
 146                                      const std::string& timezone,
 147                                      bool send_reports,
 148                                      const std::string& keyboard_layout) {
 149 }
 150
 151 void EnrollmentScreen::EnrollHost(const std::string& auth_token) {
 152   actor_->Show();
 153   actor_->ShowEnrollmentSpinnerScreen();
 154   CreateEnrollmentHelper();
 155   enrollment_helper_->EnrollUsingToken(auth_token);
 156   if (remora_controller_) {
 157     remora_controller_->OnEnrollmentStatusChanged(
 158         HostPairingController::ENROLLMENT_STATUS_ENROLLING);
 159   }
 160 }
 161
 162 void EnrollmentScreen::OnLoginDone(const std::string& user) {
 163   elapsed_timer_.reset(new base::ElapsedTimer());
 164   enrolling_user_domain_ = gaia::ExtractDomainName(user);
 165
 166   UMA(enrollment_failed_once_ ? policy::kMetricEnrollmentRestarted
 167                               : policy::kMetricEnrollmentStarted);
 168
 169   actor_->ShowEnrollmentSpinnerScreen();
 170   CreateEnrollmentHelper();
 171   enrollment_helper_->EnrollUsingProfile(
 172       ProfileHelper::GetSigninProfile(),
 173       shark_controller_ != NULL /* fetch_additional_token */);
 174 }
 175
 176 void EnrollmentScreen::OnRetry() {
 177   ClearAuth(base::Bind(&EnrollmentScreen::ShowSigninScreen,
 178                        weak_ptr_factory_.GetWeakPtr()));
 179 }
 180
 181 void EnrollmentScreen::OnCancel() {
 182   UMA(policy::kMetricEnrollmentCancelled);
 183   if (elapsed_timer_)
 184     UMA_ENROLLMENT_TIME(kMetricEnrollmentTimeCancel, elapsed_timer_);
 185
 186   const BaseScreenDelegate::ExitCodes exit_code =
 187       enrollment_config_.is_forced()
 188           ? BaseScreenDelegate::ENTERPRISE_ENROLLMENT_BACK
 189           : BaseScreenDelegate::ENTERPRISE_ENROLLMENT_COMPLETED;
 190   ClearAuth(
 191       base::Bind(&EnrollmentScreen::Finish, base::Unretained(this), exit_code));
 192 }
 193
 194 void EnrollmentScreen::OnConfirmationClosed() {
 195   ClearAuth(base::Bind(&EnrollmentScreen::Finish, base::Unretained(this),
 196                        BaseScreenDelegate::ENTERPRISE_ENROLLMENT_COMPLETED));
 197 }
 198
 199 void EnrollmentScreen::OnAuthError(const GoogleServiceAuthError& error) {
 200   DCHECK(!remora_controller_);
 201   OnAnyEnrollmentError();
 202   actor_->ShowAuthError(error);
 203 }
 204
 205 void EnrollmentScreen::OnEnrollmentError(policy::EnrollmentStatus status) {
 206   OnAnyEnrollmentError();
 207   actor_->ShowEnrollmentStatus(status);
 208 }
 209
 210 void EnrollmentScreen::OnOtherError(
 211     EnterpriseEnrollmentHelper::OtherError error) {
 212   OnAnyEnrollmentError();
 213   actor_->ShowOtherError(error);
 214 }
 215
 216 void EnrollmentScreen::OnDeviceEnrolled(const std::string& additional_token) {
 217   if (!additional_token.empty())
 218     SendEnrollmentAuthToken(additional_token);
 219   StartupUtils::MarkDeviceRegistered(
 220       base::Bind(&EnrollmentScreen::ShowEnrollmentStatusOnSuccess,
 221                  weak_ptr_factory_.GetWeakPtr()));
 222   if (remora_controller_) {
 223     remora_controller_->OnEnrollmentStatusChanged(
 224         HostPairingController::ENROLLMENT_STATUS_SUCCESS);
 225   }
 226 }
 227
 228 void EnrollmentScreen::SendEnrollmentAuthToken(const std::string& token) {
 229   // TODO(achuith, zork): Extract and send domain.
 230   DCHECK(shark_controller_);
 231   shark_controller_->OnAuthenticationDone("", token);
 232 }
 233
 234 void EnrollmentScreen::ShowEnrollmentStatusOnSuccess() {
 235   StartupUtils::MarkOobeCompleted();
 236   if (elapsed_timer_)
 237     UMA_ENROLLMENT_TIME(kMetricEnrollmentTimeSuccess, elapsed_timer_);
 238   actor_->ShowEnrollmentStatus(policy::EnrollmentStatus::ForStatus(
 239       policy::EnrollmentStatus::STATUS_SUCCESS));
 240 }
 241
 242 void EnrollmentScreen::UMA(policy::MetricEnrollment sample) {
 243   EnrollmentUMA(sample, enrollment_config_.mode);
 244 }
 245
 246 void EnrollmentScreen::ShowSigninScreen() {
 247   actor_->Show();
 248   actor_->ShowSigninScreen();
 249 }
 250
 251 void EnrollmentScreen::OnAnyEnrollmentError() {
 252   enrollment_failed_once_ = true;
 253   if (elapsed_timer_)
 254     UMA_ENROLLMENT_TIME(kMetricEnrollmentTimeFailure, elapsed_timer_);
 255   if (remora_controller_) {
 256     remora_controller_->OnEnrollmentStatusChanged(
 257         HostPairingController::ENROLLMENT_STATUS_FAILURE);
 258   }
 259 }
 260
 261 }  // namespace chromeos