chrome/browser/chromeos/login/signin/auth_sync_observer.cc

   1 // Copyright 2014 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/signin/auth_sync_observer.h"
   6
   7 #include "base/metrics/user_metrics.h"
   8 #include "base/metrics/user_metrics_action.h"
   9 #include "base/prefs/pref_service.h"
  10 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
  11 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
  12 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  13 #include "chrome/browser/sync/profile_sync_service.h"
  14 #include "chrome/browser/sync/profile_sync_service_factory.h"
  15 #include "components/user_manager/user_manager.h"
  16 #include "components/user_manager/user_type.h"
  17 #include "content/public/browser/user_metrics.h"
  18 #include "google_apis/gaia/gaia_auth_util.h"
  19
  20 class Profile;
  21 class ProfileSyncService;
  22
  23 namespace chromeos {
  24
  25 AuthSyncObserver::AuthSyncObserver(Profile* profile)
  26     : profile_(profile) {
  27 }
  28
  29 AuthSyncObserver::~AuthSyncObserver() {
  30 }
  31
  32 void AuthSyncObserver::StartObserving() {
  33   ProfileSyncService* sync_service =
  34       ProfileSyncServiceFactory::GetForProfile(profile_);
  35   if (sync_service)
  36     sync_service->AddObserver(this);
  37 }
  38
  39 void AuthSyncObserver::Shutdown() {
  40   ProfileSyncService* sync_service =
  41       ProfileSyncServiceFactory::GetForProfile(profile_);
  42   if (sync_service)
  43     sync_service->RemoveObserver(this);
  44 }
  45
  46 void AuthSyncObserver::OnStateChanged() {
  47   DCHECK(user_manager::UserManager::Get()->IsLoggedInAsUserWithGaiaAccount() ||
  48          user_manager::UserManager::Get()->IsLoggedInAsSupervisedUser());
  49   ProfileSyncService* sync_service =
  50       ProfileSyncServiceFactory::GetForProfile(profile_);
  51   const user_manager::User* user =
  52       ProfileHelper::Get()->GetUserByProfile(profile_);
  53   GoogleServiceAuthError::State state =
  54       sync_service->GetAuthError().state();
  55   if (state != GoogleServiceAuthError::NONE &&
  56       state != GoogleServiceAuthError::CONNECTION_FAILED &&
  57       state != GoogleServiceAuthError::SERVICE_UNAVAILABLE &&
  58       state != GoogleServiceAuthError::REQUEST_CANCELED) {
  59     // Invalidate OAuth2 refresh token to force Gaia sign-in flow. This is
  60     // needed because sign-out/sign-in solution is suggested to the user.
  61     // TODO(nkostylev): Remove after crosbug.com/25978 is implemented.
  62     LOG(WARNING) << "Invalidate OAuth token because of a sync error: "
  63                  << sync_service->GetAuthError().ToString();
  64     std::string email = user->email();
  65     DCHECK(!email.empty());
  66     // TODO(nkostyelv): Change observer after active user has changed.
  67     user_manager::User::OAuthTokenStatus old_status =
  68         user->oauth_token_status();
  69     user_manager::UserManager::Get()->SaveUserOAuthStatus(
  70         email, user_manager::User::OAUTH2_TOKEN_STATUS_INVALID);
  71     if (user->GetType() == user_manager::USER_TYPE_SUPERVISED &&
  72         old_status != user_manager::User::OAUTH2_TOKEN_STATUS_INVALID) {
  73        // Attempt to restore token from file.
  74       ChromeUserManager::Get()
  75           ->GetSupervisedUserManager()
  76           ->LoadSupervisedUserToken(
  77               profile_,
  78               base::Bind(&AuthSyncObserver::OnSupervisedTokenLoaded,
  79                          base::Unretained(this)));
  80        content::RecordAction(
  81            base::UserMetricsAction("ManagedUsers_Chromeos_Sync_Invalidated"));
  82     }
  83   } else if (state == GoogleServiceAuthError::NONE) {
  84     if (user->GetType() == user_manager::USER_TYPE_SUPERVISED &&
  85         user->oauth_token_status() ==
  86             user_manager::User::OAUTH2_TOKEN_STATUS_INVALID) {
  87       LOG(ERROR) <<
  88           "Got an incorrectly invalidated token case, restoring token status.";
  89       user_manager::UserManager::Get()->SaveUserOAuthStatus(
  90           user->email(), user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
  91        content::RecordAction(
  92            base::UserMetricsAction("ManagedUsers_Chromeos_Sync_Recovered"));
  93     }
  94   }
  95 }
  96
  97 void AuthSyncObserver::OnSupervisedTokenLoaded(const std::string& token) {
  98   ChromeUserManager::Get()->GetSupervisedUserManager()->ConfigureSyncWithToken(
  99       profile_, token);
 100 }
 101
 102 }  // namespace chromeos