Home | History | Annotate | Download | only in login 
      1 // Copyright (c) 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 "chromeos/login/login_state.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/logging.h"
      9 #include "base/sys_info.h"
     10 #include "chromeos/chromeos_switches.h"
     11 
     12 namespace chromeos {
     13 
     14 namespace {
     15 
     16 // When running a Chrome OS build outside of a device (i.e. on a developer's
     17 // workstation) and not running as login-manager, pretend like we're always
     18 // logged in.
     19 bool AlwaysLoggedInByDefault() {
     20   return !base::SysInfo::IsRunningOnChromeOS() &&
     21       !CommandLine::ForCurrentProcess()->HasSwitch(switches::kLoginManager);
     22 }
     23 
     24 }  // namespace
     25 
     26 static LoginState* g_login_state = NULL;
     27 
     28 // static
     29 void LoginState::Initialize() {
     30   CHECK(!g_login_state);
     31   g_login_state = new LoginState();
     32 }
     33 
     34 // static
     35 void LoginState::Shutdown() {
     36   CHECK(g_login_state);
     37   delete g_login_state;
     38   g_login_state = NULL;
     39 }
     40 
     41 // static
     42 LoginState* LoginState::Get() {
     43   CHECK(g_login_state) << "LoginState::Get() called before Initialize()";
     44   return g_login_state;
     45 }
     46 
     47 // static
     48 bool LoginState::IsInitialized() {
     49   return g_login_state;
     50 }
     51 
     52 void LoginState::AddObserver(Observer* observer) {
     53   observer_list_.AddObserver(observer);
     54 }
     55 
     56 void LoginState::RemoveObserver(Observer* observer) {
     57   observer_list_.RemoveObserver(observer);
     58 }
     59 
     60 void LoginState::SetLoggedInStateAndPrimaryUser(
     61     LoggedInState state,
     62     LoggedInUserType type,
     63     const std::string& primary_user_hash) {
     64   DCHECK(type != LOGGED_IN_USER_NONE);
     65   primary_user_hash_ = primary_user_hash;
     66   VLOG(1) << "LoggedInStateUser: " << primary_user_hash;
     67   SetLoggedInState(state, type);
     68 }
     69 
     70 void LoginState::SetLoggedInState(LoggedInState state, LoggedInUserType type) {
     71   if (state == logged_in_state_ && type == logged_in_user_type_)
     72     return;
     73   VLOG(1) << "LoggedInState: " << state << " UserType: " << type;
     74   logged_in_state_ = state;
     75   logged_in_user_type_ = type;
     76   NotifyObservers();
     77 }
     78 
     79 LoginState::LoggedInUserType LoginState::GetLoggedInUserType() const {
     80   return logged_in_user_type_;
     81 }
     82 
     83 bool LoginState::IsUserLoggedIn() const {
     84   if (always_logged_in_)
     85     return true;
     86   return logged_in_state_ == LOGGED_IN_ACTIVE;
     87 }
     88 
     89 bool LoginState::IsInSafeMode() const {
     90   DCHECK(!always_logged_in_ || logged_in_state_ != LOGGED_IN_SAFE_MODE);
     91   return logged_in_state_ == LOGGED_IN_SAFE_MODE;
     92 }
     93 
     94 bool LoginState::IsGuestSessionUser() const {
     95   return logged_in_user_type_ == LOGGED_IN_USER_GUEST;
     96 }
     97 
     98 bool LoginState::IsPublicSessionUser() const {
     99   return logged_in_user_type_ == LOGGED_IN_USER_PUBLIC_ACCOUNT ||
    100          logged_in_user_type_ == LOGGED_IN_USER_RETAIL_MODE;
    101 }
    102 
    103 bool LoginState::IsKioskApp() const {
    104   return logged_in_user_type_ == LOGGED_IN_USER_KIOSK_APP;
    105 }
    106 
    107 bool LoginState::UserHasNetworkProfile() const {
    108   if (!IsUserLoggedIn())
    109     return false;
    110   return logged_in_user_type_ != LOGGED_IN_USER_PUBLIC_ACCOUNT;
    111 }
    112 
    113 bool LoginState::IsUserAuthenticated() const {
    114   return logged_in_user_type_ == LOGGED_IN_USER_REGULAR ||
    115          logged_in_user_type_ == LOGGED_IN_USER_OWNER ||
    116          logged_in_user_type_ == LOGGED_IN_USER_SUPERVISED;
    117 }
    118 
    119 bool LoginState::IsUserGaiaAuthenticated() const {
    120   return logged_in_user_type_ == LOGGED_IN_USER_REGULAR ||
    121          logged_in_user_type_ == LOGGED_IN_USER_OWNER;
    122 }
    123 
    124 // Private methods
    125 
    126 LoginState::LoginState() : logged_in_state_(LOGGED_IN_NONE),
    127                            logged_in_user_type_(LOGGED_IN_USER_NONE),
    128                            always_logged_in_(AlwaysLoggedInByDefault()) {
    129 }
    130 
    131 LoginState::~LoginState() {
    132 }
    133 
    134 void LoginState::NotifyObservers() {
    135   FOR_EACH_OBSERVER(LoginState::Observer, observer_list_,
    136                     LoggedInStateChanged());
    137 }
    138 
    139 }  // namespace chromeos
    140