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      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/signin/signin_manager_base.h"
      6 
      7 #include <string>
      8 #include <vector>
      9 
     10 #include "base/command_line.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "base/prefs/pref_service.h"
     13 #include "base/strings/string_split.h"
     14 #include "base/strings/string_util.h"
     15 #include "base/strings/utf_string_conversions.h"
     16 #include "chrome/browser/chrome_notification_types.h"
     17 #include "chrome/browser/signin/about_signin_internals.h"
     18 #include "chrome/browser/signin/about_signin_internals_factory.h"
     19 #include "chrome/browser/signin/signin_manager_cookie_helper.h"
     20 #include "chrome/browser/sync/sync_prefs.h"
     21 #include "chrome/common/chrome_switches.h"
     22 #include "chrome/common/pref_names.h"
     23 #include "content/public/browser/browser_thread.h"
     24 #include "google_apis/gaia/gaia_auth_util.h"
     25 #include "google_apis/gaia/gaia_constants.h"
     26 #include "google_apis/gaia/gaia_urls.h"
     27 
     28 using namespace signin_internals_util;
     29 
     30 using content::BrowserThread;
     31 
     32 SigninManagerBase::SigninManagerBase()
     33     : profile_(NULL),
     34       weak_pointer_factory_(this) {
     35 }
     36 
     37 SigninManagerBase::~SigninManagerBase() {
     38 }
     39 
     40 void SigninManagerBase::Initialize(Profile* profile, PrefService* local_state) {
     41   // Should never call Initialize() twice.
     42   DCHECK(!IsInitialized());
     43   profile_ = profile;
     44 
     45   // If the user is clearing the token service from the command line, then
     46   // clear their login info also (not valid to be logged in without any
     47   // tokens).
     48   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
     49   if (cmd_line->HasSwitch(switches::kClearTokenService))
     50     profile->GetPrefs()->ClearPref(prefs::kGoogleServicesUsername);
     51 
     52   std::string user = profile_->GetPrefs()->GetString(
     53       prefs::kGoogleServicesUsername);
     54   if (!user.empty())
     55     SetAuthenticatedUsername(user);
     56 }
     57 
     58 bool SigninManagerBase::IsInitialized() const {
     59   return profile_ != NULL;
     60 }
     61 
     62 bool SigninManagerBase::IsSigninAllowed() const {
     63   return profile_->GetPrefs()->GetBoolean(prefs::kSigninAllowed);
     64 }
     65 
     66 const std::string& SigninManagerBase::GetAuthenticatedUsername() const {
     67   return authenticated_username_;
     68 }
     69 
     70 void SigninManagerBase::SetAuthenticatedUsername(const std::string& username) {
     71   if (!authenticated_username_.empty()) {
     72     DLOG_IF(ERROR, !gaia::AreEmailsSame(username, authenticated_username_)) <<
     73         "Tried to change the authenticated username to something different: " <<
     74         "Current: " << authenticated_username_ << ", New: " << username;
     75 
     76 #if defined(OS_IOS)
     77     // Prior to M26, chrome on iOS did not normalize the email before setting
     78     // it in SigninManager.  If the emails are the same as given by
     79     // gaia::AreEmailsSame() but not the same as given by std::string::op==(),
     80     // make sure to set the authenticated name below.
     81     if (!gaia::AreEmailsSame(username, authenticated_username_) ||
     82         username == authenticated_username_) {
     83       return;
     84     }
     85 #else
     86     return;
     87 #endif
     88   }
     89   authenticated_username_ = username;
     90   // TODO(tim): We could go further in ensuring kGoogleServicesUsername and
     91   // authenticated_username_ are consistent once established (e.g. remove
     92   // authenticated_username_ altogether). Bug 107160.
     93 
     94   NotifyDiagnosticsObservers(USERNAME, username);
     95 
     96   // Go ahead and update the last signed in username here as well. Once a
     97   // user is signed in the two preferences should match. Doing it here as
     98   // opposed to on signin allows us to catch the upgrade scenario.
     99   profile_->GetPrefs()->SetString(prefs::kGoogleServicesLastUsername, username);
    100 }
    101 
    102 void SigninManagerBase::clear_authenticated_username() {
    103   authenticated_username_.clear();
    104 }
    105 
    106 bool SigninManagerBase::AuthInProgress() const {
    107   // SigninManagerBase never kicks off auth processes itself.
    108   return false;
    109 }
    110 
    111 void SigninManagerBase::Shutdown() {
    112 }
    113 
    114 void SigninManagerBase::AddSigninDiagnosticsObserver(
    115     SigninDiagnosticsObserver* observer) {
    116   signin_diagnostics_observers_.AddObserver(observer);
    117 }
    118 
    119 void SigninManagerBase::RemoveSigninDiagnosticsObserver(
    120     SigninDiagnosticsObserver* observer) {
    121   signin_diagnostics_observers_.RemoveObserver(observer);
    122 }
    123 
    124 void SigninManagerBase::NotifyDiagnosticsObservers(
    125     const UntimedSigninStatusField& field,
    126     const std::string& value) {
    127   FOR_EACH_OBSERVER(SigninDiagnosticsObserver,
    128                     signin_diagnostics_observers_,
    129                     NotifySigninValueChanged(field, value));
    130 }
    131 
    132 void SigninManagerBase::NotifyDiagnosticsObservers(
    133     const TimedSigninStatusField& field,
    134     const std::string& value) {
    135   FOR_EACH_OBSERVER(SigninDiagnosticsObserver,
    136                     signin_diagnostics_observers_,
    137                     NotifySigninValueChanged(field, value));
    138 }
    139