chrome/browser/chromeos/login/auth_sync_observer.cc

   1 // Copyright 2013 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/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/supervised_user_manager.h"
  11 #include "chrome/browser/chromeos/login/user_manager.h"
  12 #include "chrome/browser/sync/profile_sync_service.h"
  13 #include "chrome/browser/sync/profile_sync_service_factory.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "content/public/browser/user_metrics.h"
  16 #include "google_apis/gaia/gaia_auth_util.h"
  17
  18 class Profile;
  19 class ProfileSyncService;
  20
  21 namespace chromeos {
  22
  23 AuthSyncObserver::AuthSyncObserver(Profile* profile)
  24     : profile_(profile) {
  25 }
  26
  27 AuthSyncObserver::~AuthSyncObserver() {
  28 }
  29
  30 void AuthSyncObserver::StartObserving() {
  31   ProfileSyncService* sync_service =
  32       ProfileSyncServiceFactory::GetForProfile(profile_);
  33   if (sync_service)
  34     sync_service->AddObserver(this);
  35 }
  36
  37 void AuthSyncObserver::Shutdown() {
  38   ProfileSyncService* sync_service =
  39       ProfileSyncServiceFactory::GetForProfile(profile_);
  40   if (sync_service)
  41     sync_service->RemoveObserver(this);
  42 }
  43
  44 void AuthSyncObserver::OnStateChanged() {
  45   DCHECK(UserManager::Get()->IsLoggedInAsRegularUser() ||
  46          UserManager::Get()->IsLoggedInAsLocallyManagedUser());
  47   ProfileSyncService* sync_service =
  48       ProfileSyncServiceFactory::GetForProfile(profile_);
  49   User* user = UserManager::Get()->GetUserByProfile(profile_);
  50   GoogleServiceAuthError::State state =
  51       sync_service->GetAuthError().state();
  52   if (state != GoogleServiceAuthError::NONE &&
  53       state != GoogleServiceAuthError::CONNECTION_FAILED &&
  54       state != GoogleServiceAuthError::SERVICE_UNAVAILABLE &&
  55       state != GoogleServiceAuthError::REQUEST_CANCELED) {
  56     // Invalidate OAuth2 refresh token to force Gaia sign-in flow. This is
  57     // needed because sign-out/sign-in solution is suggested to the user.
  58     // TODO(nkostylev): Remove after crosbug.com/25978 is implemented.
  59     LOG(WARNING) << "Invalidate OAuth token because of a sync error: "
  60                  << sync_service->GetAuthError().ToString();
  61     std::string email = user->email();
  62     DCHECK(!email.empty());
  63     // TODO(nkostyelv): Change observer after active user has changed.
  64     User::OAuthTokenStatus old_status = user->oauth_token_status();
  65     UserManager::Get()->SaveUserOAuthStatus(email,
  66         User::OAUTH2_TOKEN_STATUS_INVALID);
  67     if (user->GetType() == User::USER_TYPE_LOCALLY_MANAGED &&
  68         old_status != User::OAUTH2_TOKEN_STATUS_INVALID) {
  69        // Attempt to restore token from file.
  70        UserManager::Get()->GetSupervisedUserManager()->LoadSupervisedUserToken(
  71            profile_,
  72            base::Bind(&AuthSyncObserver::OnSupervisedTokenLoaded,
  73                base::Unretained(this)));
  74        content::RecordAction(
  75            base::UserMetricsAction("ManagedUsers_Chromeos_Sync_Invalidated"));
  76     }
  77   } else if (state == GoogleServiceAuthError::NONE) {
  78     if (user->GetType() == User::USER_TYPE_LOCALLY_MANAGED &&
  79         user->oauth_token_status() == User::OAUTH2_TOKEN_STATUS_INVALID) {
  80       LOG(ERROR) <<
  81           "Got an incorrectly invalidated token case, restoring token status.";
  82       UserManager::Get()->SaveUserOAuthStatus(
  83           user->email(),
  84           User::OAUTH2_TOKEN_STATUS_VALID);
  85        content::RecordAction(
  86            base::UserMetricsAction("ManagedUsers_Chromeos_Sync_Recovered"));
  87     }
  88   }
  89 }
  90
  91 void AuthSyncObserver::OnSupervisedTokenLoaded(const std::string& token) {
  92   UserManager::Get()->GetSupervisedUserManager()->ConfigureSyncWithToken(
  93       profile_, token);
  94 }
  95
  96 }  // namespace chromeos