chrome/browser/signin/google_auto_login_helper.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/signin/google_auto_login_helper.h"
   6
   7 #include "chrome/browser/browser_process.h"
   8 #include "chrome/browser/chrome_notification_types.h"
   9 #include "chrome/browser/profiles/profile_manager.h"
  10 #include "chrome/browser/signin/profile_oauth2_token_service.h"
  11 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
  12 #include "content/public/browser/notification_service.h"
  13 #include "google_apis/gaia/gaia_auth_fetcher.h"
  14 #include "google_apis/gaia/gaia_constants.h"
  15
  16 GoogleAutoLoginHelper::GoogleAutoLoginHelper(Profile* profile,
  17                                              Observer* observer)
  18     : profile_(profile) {
  19   if (observer)
  20     AddObserver(observer);
  21 }
  22
  23 GoogleAutoLoginHelper::~GoogleAutoLoginHelper() {
  24   DCHECK(accounts_.empty());
  25 }
  26
  27 void GoogleAutoLoginHelper::LogIn(const std::string& account_id) {
  28   accounts_.push_back(account_id);
  29   if (accounts_.size() == 1)
  30     StartFetching();
  31 }
  32
  33 void GoogleAutoLoginHelper::AddObserver(Observer* observer) {
  34   observer_list_.AddObserver(observer);
  35 }
  36
  37 void GoogleAutoLoginHelper::RemoveObserver(Observer* observer) {
  38   observer_list_.RemoveObserver(observer);
  39 }
  40
  41 void GoogleAutoLoginHelper::CancelAll() {
  42   gaia_auth_fetcher_.reset();
  43   uber_token_fetcher_.reset();
  44   accounts_.clear();
  45 }
  46
  47 void GoogleAutoLoginHelper::OnUbertokenSuccess(const std::string& uber_token) {
  48   VLOG(1) << "GoogleAutoLoginHelper::OnUbertokenSuccess"
  49           << " account=" << accounts_.front();
  50   gaia_auth_fetcher_.reset(
  51       new GaiaAuthFetcher(this, GaiaConstants::kChromeSource,
  52                           profile_->GetRequestContext()));
  53   gaia_auth_fetcher_->StartMergeSession(uber_token);
  54 }
  55
  56 void GoogleAutoLoginHelper::OnUbertokenFailure(
  57     const GoogleServiceAuthError& error) {
  58   VLOG(1) << "Failed to retrieve ubertoken"
  59           << " account=" << accounts_.front()
  60           << " error=" << error.ToString();
  61   const std::string account_id = accounts_.front();
  62   MergeNextAccount();
  63   SignalComplete(account_id, error);
  64 }
  65
  66 void GoogleAutoLoginHelper::OnMergeSessionSuccess(const std::string& data) {
  67   DVLOG(1) << "MergeSession successful account=" << accounts_.front();
  68   const std::string account_id = accounts_.front();
  69   MergeNextAccount();
  70   SignalComplete(account_id, GoogleServiceAuthError::AuthErrorNone());
  71 }
  72
  73 void GoogleAutoLoginHelper::OnMergeSessionFailure(
  74     const GoogleServiceAuthError& error) {
  75   VLOG(1) << "Failed MergeSession"
  76           << " account=" << accounts_.front()
  77           << " error=" << error.ToString();
  78   const std::string account_id = accounts_.front();
  79   MergeNextAccount();
  80   SignalComplete(account_id, error);
  81 }
  82
  83 void GoogleAutoLoginHelper::StartFetching() {
  84   uber_token_fetcher_.reset(new UbertokenFetcher(
  85       ProfileOAuth2TokenServiceFactory::GetForProfile(profile_),
  86       this,
  87       profile_->GetRequestContext()));
  88   uber_token_fetcher_->StartFetchingToken(accounts_.front());
  89 }
  90
  91 void GoogleAutoLoginHelper::SignalComplete(
  92     const std::string& account_id,
  93     const GoogleServiceAuthError& error) {
  94   // Its possible for the observer to delete |this| object.  Don't access
  95   // access any members after this calling the observer.  This method should
  96   // be the last call in any other method.
  97   FOR_EACH_OBSERVER(Observer, observer_list_,
  98                     MergeSessionCompleted(account_id, error));
  99 }
 100
 101 void GoogleAutoLoginHelper::MergeNextAccount() {
 102   gaia_auth_fetcher_.reset();
 103   accounts_.pop_front();
 104   if (accounts_.empty()) {
 105     uber_token_fetcher_.reset();
 106   } else {
 107     StartFetching();
 108   }
 109 }