root/chrome/browser/chromeos/profiles/profile_helper.cc

DEFINITIONS

1. ShouldAddProfileDirPrefix
2. GetProfileByUserIdHash
3. GetProfilePathByUserIdHash
4. GetProfileDirByLegacyLoginProfileSwitch
5. GetSigninProfileDir
6. GetSigninProfile
7. GetUserIdHashFromProfile
8. GetUserProfileDir
9. IsSigninProfile
10. IsOwnerProfile
11. ProfileStartup
12. GetActiveUserProfileDir
13. Initialize
14. ClearSigninProfile
15. OnBrowsingDataRemoverDone
16. OnSessionRestoreStateChanged
17. ActiveUserHashChanged

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/chromeos/profiles/profile_helper.h"

#include "base/callback.h"
#include "base/command_line.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browsing_data/browsing_data_helper.h"
#include "chrome/browser/chromeos/login/oauth2_login_manager_factory.h"
#include "chrome/browser/chromeos/login/user.h"
#include "chrome/browser/chromeos/login/user_manager.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_switches.h"
#include "chromeos/chromeos_switches.h"

namespace chromeos {

namespace {

bool ShouldAddProfileDirPrefix(const std::string& user_id_hash) {
  // Do not add profile dir prefix for legacy profile dir and test
  // user profile. The reason of not adding prefix for test user profile
  // is to keep the promise that TestingProfile::kTestUserProfileDir and
  // chrome::kTestUserProfileDir are always in sync. Otherwise,
  // TestingProfile::kTestUserProfileDir needs to be dynamically calculated
  // based on whether multi profile is enabled or not.
  return user_id_hash != chrome::kLegacyProfileDir &&
      user_id_hash != chrome::kTestUserProfileDir;
}

}  // anonymous namespace

////////////////////////////////////////////////////////////////////////////////
// ProfileHelper, public

ProfileHelper::ProfileHelper()
  : signin_profile_clear_requested_(false) {
}

ProfileHelper::~ProfileHelper() {
  // Checking whether UserManager is initialized covers case
  // when ScopedTestUserManager is used.
  if (UserManager::IsInitialized())
    UserManager::Get()->RemoveSessionStateObserver(this);
}

// static
Profile* ProfileHelper::GetProfileByUserIdHash(
    const std::string& user_id_hash) {
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  return profile_manager->GetProfile(GetProfilePathByUserIdHash(user_id_hash));
}

// static
base::FilePath ProfileHelper::GetProfilePathByUserIdHash(
    const std::string& user_id_hash) {
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  base::FilePath profile_path = profile_manager->user_data_dir();

  return profile_path.Append(GetUserProfileDir(user_id_hash));
}

// static
base::FilePath ProfileHelper::GetProfileDirByLegacyLoginProfileSwitch() {
  const std::string login_profile_value =
      CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
          chromeos::switches::kLoginProfile);
  return ProfileHelper::GetUserProfileDir(login_profile_value);
}

// static
base::FilePath ProfileHelper::GetSigninProfileDir() {
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  base::FilePath user_data_dir = profile_manager->user_data_dir();
  return user_data_dir.AppendASCII(chrome::kInitialProfile);
}

// static
Profile* ProfileHelper::GetSigninProfile() {
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  return profile_manager->GetProfile(GetSigninProfileDir())->
      GetOffTheRecordProfile();
}

// static
std::string ProfileHelper::GetUserIdHashFromProfile(Profile* profile) {
  if (!profile)
    return std::string();

  std::string profile_dir = profile->GetPath().BaseName().value();

  // Don't strip prefix if the dir is not supposed to be prefixed.
  if (!ShouldAddProfileDirPrefix(profile_dir))
    return profile_dir;

  // Check that profile directory starts with the correct prefix.
  std::string prefix(chrome::kProfileDirPrefix);
  if (profile_dir.find(prefix) != 0) {
    // This happens when creating a TestingProfile in browser tests.
    return std::string();
  }

  return profile_dir.substr(prefix.length(),
                            profile_dir.length() - prefix.length());
}

// static
base::FilePath ProfileHelper::GetUserProfileDir(
    const std::string& user_id_hash) {
  DCHECK(!user_id_hash.empty());
  return ShouldAddProfileDirPrefix(user_id_hash)
             ? base::FilePath(chrome::kProfileDirPrefix + user_id_hash)
             : base::FilePath(user_id_hash);
}

// static
bool ProfileHelper::IsSigninProfile(Profile* profile) {
  return profile->GetPath().BaseName().value() == chrome::kInitialProfile;
}

// static
bool ProfileHelper::IsOwnerProfile(Profile* profile) {
  if (!profile)
    return false;
  chromeos::UserManager* manager = chromeos::UserManager::Get();
  chromeos::User* user = manager->GetUserByProfile(profile);
  if (!user)
    return false;
  return user->email() == manager->GetOwnerEmail();
}

void ProfileHelper::ProfileStartup(Profile* profile, bool process_startup) {
  // Initialize Chrome OS preferences like touch pad sensitivity. For the
  // preferences to work in the guest mode, the initialization has to be
  // done after |profile| is switched to the incognito profile (which
  // is actually GuestSessionProfile in the guest mode). See the
  // GetOffTheRecordProfile() call above.
  profile->InitChromeOSPreferences();

  // Add observer so we can see when the first profile's session restore is
  // completed. After that, we won't need the default profile anymore.
  if (!IsSigninProfile(profile) &&
      UserManager::Get()->IsLoggedInAsRegularUser() &&
      !UserManager::Get()->IsLoggedInAsStub()) {
    chromeos::OAuth2LoginManager* login_manager =
        chromeos::OAuth2LoginManagerFactory::GetInstance()->GetForProfile(
            profile);
    if (login_manager)
      login_manager->AddObserver(this);
  }
}

base::FilePath ProfileHelper::GetActiveUserProfileDir() {
  return ProfileHelper::GetUserProfileDir(active_user_id_hash_);
}

void ProfileHelper::Initialize() {
  UserManager::Get()->AddSessionStateObserver(this);
}

void ProfileHelper::ClearSigninProfile(const base::Closure& on_clear_callback) {
  on_clear_callbacks_.push_back(on_clear_callback);
  if (signin_profile_clear_requested_)
    return;
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  // Check if signin profile was loaded.
  if (!profile_manager->GetProfileByPath(GetSigninProfileDir())) {
    OnBrowsingDataRemoverDone();
    return;
  }
  signin_profile_clear_requested_ = true;
  BrowsingDataRemover* remover =
      BrowsingDataRemover::CreateForUnboundedRange(GetSigninProfile());
  remover->AddObserver(this);
  remover->Remove(BrowsingDataRemover::REMOVE_SITE_DATA,
                  BrowsingDataHelper::ALL);
}

////////////////////////////////////////////////////////////////////////////////
// ProfileHelper, BrowsingDataRemover::Observer implementation:

void ProfileHelper::OnBrowsingDataRemoverDone() {
  signin_profile_clear_requested_ = false;
  for (size_t i = 0; i < on_clear_callbacks_.size(); ++i) {
    if (!on_clear_callbacks_[i].is_null())
      on_clear_callbacks_[i].Run();
  }
  on_clear_callbacks_.clear();
}

////////////////////////////////////////////////////////////////////////////////
// ProfileHelper, OAuth2LoginManager::Observer implementation:

void ProfileHelper::OnSessionRestoreStateChanged(
    Profile* user_profile,
    OAuth2LoginManager::SessionRestoreState state) {
  if (state == OAuth2LoginManager::SESSION_RESTORE_DONE ||
      state == OAuth2LoginManager::SESSION_RESTORE_FAILED ||
      state == OAuth2LoginManager::SESSION_RESTORE_CONNECTION_FAILED) {
    chromeos::OAuth2LoginManager* login_manager =
        chromeos::OAuth2LoginManagerFactory::GetInstance()->
            GetForProfile(user_profile);
    login_manager->RemoveObserver(this);
    ClearSigninProfile(base::Closure());
  }
}

////////////////////////////////////////////////////////////////////////////////
// ProfileHelper, UserManager::UserSessionStateObserver implementation:

void ProfileHelper::ActiveUserHashChanged(const std::string& hash) {
  active_user_id_hash_ = hash;
  base::FilePath profile_path = GetProfilePathByUserIdHash(hash);
  VLOG(1) << "Switching to profile path: " << profile_path.value();
}

}  // namespace chromeos