path: root/chrome/browser/first_run/first_run.cc

// Copyright (c) 2010 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/first_run/first_run.h"

#include "build/build_config.h"

// TODO(port): move more code in back from the first_run_win.cc module.

#if defined(OS_WIN)
#include "chrome/installer/util/google_update_settings.h"
#include "chrome/installer/util/install_util.h"
#endif

#include "base/command_line.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/importer/importer.h"
#include "chrome/browser/metrics/user_metrics.h"
#include "chrome/browser/pref_service.h"
#include "chrome/browser/process_singleton.h"
#include "chrome/browser/profile_manager.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/pref_names.h"
#include "chrome/installer/util/master_preferences.h"
#include "chrome/installer/util/util_constants.h"

namespace {

// The kSentinelFile file absence will tell us it is a first run.
const char kSentinelFile[] = "First Run";

FilePath GetDefaultPrefFilePath(bool create_profile_dir,
                                const FilePath& user_data_dir) {
  FilePath default_pref_dir =
      ProfileManager::GetDefaultProfileDir(user_data_dir);
  if (create_profile_dir) {
    if (!file_util::PathExists(default_pref_dir)) {
      if (!file_util::CreateDirectory(default_pref_dir))
        return FilePath();
    }
  }
  return ProfileManager::GetProfilePrefsPath(default_pref_dir);
}

}  // namespace

FirstRun::FirstRunState FirstRun::first_run_ = FIRST_RUN_UNKNOWN;

// TODO(port): Import switches need to be ported to both Mac and Linux. Not all
// import switches here are implemented for Linux. None are implemented for Mac
// (as this function will not be called on Mac).
int FirstRun::ImportNow(Profile* profile, const CommandLine& cmdline) {
  int return_code = true;
  if (cmdline.HasSwitch(switches::kImportFromFile)) {
    // Silently import preset bookmarks from file.
    // This is an OEM scenario.
    return_code = ImportFromFile(profile, cmdline);
  }
  if (cmdline.HasSwitch(switches::kImport)) {
#if defined(OS_WIN)
    return_code = ImportFromBrowser(profile, cmdline);
#else
    NOTIMPLEMENTED();
#endif
  }
  return return_code;
}

// static
bool FirstRun::ProcessMasterPreferences(const FilePath& user_data_dir,
                                        MasterPrefs* out_prefs) {
  DCHECK(!user_data_dir.empty());

  // The standard location of the master prefs is next to the chrome binary.
  FilePath master_prefs;
  if (!PathService::Get(base::DIR_EXE, &master_prefs))
    return true;
  master_prefs = master_prefs.AppendASCII(installer_util::kDefaultMasterPrefs);

  scoped_ptr<DictionaryValue> prefs(
      installer_util::ParseDistributionPreferences(master_prefs));
  if (!prefs.get())
    return true;

  out_prefs->new_tabs = installer_util::GetFirstRunTabs(prefs.get());

  bool value = false;

#if defined(OS_WIN)
  // RLZ is currently a Windows-only phenomenon.  When it comes to the Mac/
  // Linux, enable it here.
  if (!installer_util::GetDistroIntegerPreference(prefs.get(),
      installer_util::master_preferences::kDistroPingDelay,
      &out_prefs->ping_delay)) {
    // 90 seconds is the default that we want to use in case master
    // preferences is missing, corrupt or ping_delay is missing.
    out_prefs->ping_delay = 90;
  }

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kRequireEula, &value) && value) {
    // Show the post-installation EULA. This is done by setup.exe and the
    // result determines if we continue or not. We wait here until the user
    // dismisses the dialog.

    // The actual eula text is in a resource in chrome. We extract it to
    // a text file so setup.exe can use it as an inner frame.
    FilePath inner_html;
    if (WriteEULAtoTempFile(&inner_html)) {
      int retcode = 0;
      if (!LaunchSetupWithParam(installer_util::switches::kShowEula,
                                inner_html.ToWStringHack(), &retcode) ||
          (retcode == installer_util::EULA_REJECTED)) {
        LOG(WARNING) << "EULA rejected. Fast exit.";
        ::ExitProcess(1);
      }
      if (retcode == installer_util::EULA_ACCEPTED) {
        LOG(INFO) << "EULA : no collection";
        GoogleUpdateSettings::SetCollectStatsConsent(false);
      } else if (retcode == installer_util::EULA_ACCEPTED_OPT_IN) {
        LOG(INFO) << "EULA : collection consent";
        GoogleUpdateSettings::SetCollectStatsConsent(true);
      }
    }
  }
#endif

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kAltFirstRunBubble, &value) && value)
    FirstRun::SetOEMFirstRunBubblePref();

  FilePath user_prefs = GetDefaultPrefFilePath(true, user_data_dir);
  if (user_prefs.empty())
    return true;

  // The master prefs are regular prefs so we can just copy the file
  // to the default place and they just work.
  if (!file_util::CopyFile(master_prefs, user_prefs))
    return true;

#if defined(OS_WIN)
  DictionaryValue* extensions = 0;
  if (installer_util::HasExtensionsBlock(prefs.get(), &extensions)) {
    LOG(INFO) << "Extensions block found in master preferences";
    DoDelayedInstallExtensions();
  }
#endif

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroImportSearchPref, &value)) {
    if (value) {
      out_prefs->do_import_items |= importer::SEARCH_ENGINES;
    } else {
      out_prefs->dont_import_items |= importer::SEARCH_ENGINES;
    }
  }

  // Check to see if search engine logos should be randomized.
  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kSearchEngineExperimentRandomizePref,
      &value) && value)
    out_prefs->randomize_search_engine_experiment = true;

  // If we're suppressing the first-run bubble, set that preference now.
  // Otherwise, wait until the user has completed first run to set it, so the
  // user is guaranteed to see the bubble iff he or she has completed the first
  // run process.
  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroSuppressFirstRunBubble,
      &value) && value)
    FirstRun::SetShowFirstRunBubblePref(false);

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroImportHistoryPref, &value)) {
    if (value) {
      out_prefs->do_import_items |= importer::HISTORY;
    } else {
      out_prefs->dont_import_items |= importer::HISTORY;
    }
  }

  std::string not_used;
  out_prefs->homepage_defined = prefs->GetString(prefs::kHomePage, &not_used);

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroImportHomePagePref, &value)) {
    if (value) {
      out_prefs->do_import_items |= importer::HOME_PAGE;
    } else {
      out_prefs->dont_import_items |= importer::HOME_PAGE;
    }
  }

  // Bookmarks are never imported unless specifically turned on.
  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroImportBookmarksPref, &value)
      && value) {
    out_prefs->do_import_items |= importer::FAVORITES;
  }

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kMakeChromeDefaultForUser, &value) &&
      value)
    ShellIntegration::SetAsDefaultBrowser();

  // TODO(mirandac): Refactor skip-first-run-ui process into regular first run
  // import process.  http://crbug.com/49647
  // Note we are skipping all other master preferences if skip-first-run-ui
  // is *not* specified. (That is, we continue only if skipping first run ui.)
  if (!installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroSkipFirstRunPref, &value) ||
      !value)
    return true;

#if !defined(OS_WIN)
  // From here on we won't show first run so we need to do the work to show the
  // bubble anyway, unless it's already been explicitly suppressed.
  FirstRun::SetShowFirstRunBubblePref(true);
#endif

  // We need to be able to create the first run sentinel or else we cannot
  // proceed because ImportSettings will launch the importer process which
  // would end up here if the sentinel is not present.
  if (!FirstRun::CreateSentinel())
    return false;

  if (installer_util::GetDistroBooleanPreference(prefs.get(),
      installer_util::master_preferences::kDistroShowWelcomePage, &value) &&
      value)
    FirstRun::SetShowWelcomePagePref();

  std::string import_bookmarks_path;
  installer_util::GetDistroStringPreference(prefs.get(),
      installer_util::master_preferences::kDistroImportBookmarksFromFilePref,
      &import_bookmarks_path);

#if defined(OS_WIN)
  std::wstring brand;
  GoogleUpdateSettings::GetBrand(&brand);
  // This should generally be true, as skip_first_run_ui is a setting used for
  // non-organic builds.
  if (!GoogleUpdateSettings::IsOrganic(brand)) {
    // If search engines aren't explicitly imported, don't import.
    if (!(out_prefs->do_import_items & importer::SEARCH_ENGINES)) {
      out_prefs->dont_import_items |= importer::SEARCH_ENGINES;
    }
    // If home page isn't explicitly imported, don't import.
    if (!(out_prefs->do_import_items & importer::HOME_PAGE)) {
      out_prefs->dont_import_items |= importer::HOME_PAGE;
    }
    // If history isn't explicitly forbidden, do import.
    if (!(out_prefs->dont_import_items & importer::HISTORY)) {
      out_prefs->do_import_items |= importer::HISTORY;
    }
  }

  if (out_prefs->do_import_items || !import_bookmarks_path.empty()) {
    // There is something to import from the default browser. This launches
    // the importer process and blocks until done or until it fails.
    scoped_refptr<ImporterHost> importer_host = new ImporterHost();
    if (!FirstRun::ImportSettings(NULL,
          importer_host->GetSourceProfileInfoAt(0).browser_type,
          out_prefs->do_import_items,
          FilePath::FromWStringHack(UTF8ToWide(import_bookmarks_path)),
          true, NULL)) {
      LOG(WARNING) << "silent import failed";
    }
  }
#else
  if (!import_bookmarks_path.empty()) {
    // There are bookmarks to import from a file.
    FilePath path = FilePath::FromWStringHack(UTF8ToWide(
        import_bookmarks_path));
    if (!FirstRun::ImportBookmarks(path)) {
      LOG(WARNING) << "silent bookmark import failed";
    }
  }
#endif

  return false;
}

// static
bool FirstRun::IsChromeFirstRun() {
  if (first_run_ != FIRST_RUN_UNKNOWN)
    return first_run_ == FIRST_RUN_TRUE;

  FilePath first_run_sentinel;
  if (!GetFirstRunSentinelFilePath(&first_run_sentinel) ||
      file_util::PathExists(first_run_sentinel)) {
    first_run_ = FIRST_RUN_FALSE;
    return false;
  }
  first_run_ = FIRST_RUN_TRUE;
  return true;
}

// static
bool FirstRun::RemoveSentinel() {
  FilePath first_run_sentinel;
  if (!GetFirstRunSentinelFilePath(&first_run_sentinel))
    return false;
  return file_util::Delete(first_run_sentinel, false);
}

// static
bool FirstRun::CreateSentinel() {
  FilePath first_run_sentinel;
  if (!GetFirstRunSentinelFilePath(&first_run_sentinel))
    return false;
  return file_util::WriteFile(first_run_sentinel, "", 0) != -1;
}

// static
bool FirstRun::SetShowFirstRunBubblePref(bool show_bubble) {
  PrefService* local_state = g_browser_process->local_state();
  if (!local_state)
    return false;
  if (!local_state->FindPreference(prefs::kShouldShowFirstRunBubble)) {
    local_state->RegisterBooleanPref(prefs::kShouldShowFirstRunBubble, false);
    local_state->SetBoolean(prefs::kShouldShowFirstRunBubble, show_bubble);
  }
  return true;
}

// static
bool FirstRun::SetShowWelcomePagePref() {
  PrefService* local_state = g_browser_process->local_state();
  if (!local_state)
    return false;
  if (!local_state->FindPreference(prefs::kShouldShowWelcomePage)) {
    local_state->RegisterBooleanPref(prefs::kShouldShowWelcomePage, false);
    local_state->SetBoolean(prefs::kShouldShowWelcomePage, true);
  }
  return true;
}

// static
bool FirstRun::SetOEMFirstRunBubblePref() {
  PrefService* local_state = g_browser_process->local_state();
  if (!local_state)
    return false;
  if (!local_state->FindPreference(prefs::kShouldUseOEMFirstRunBubble)) {
    local_state->RegisterBooleanPref(prefs::kShouldUseOEMFirstRunBubble,
                                     false);
    local_state->SetBoolean(prefs::kShouldUseOEMFirstRunBubble, true);
  }
  return true;
}

// static
bool FirstRun::SetMinimalFirstRunBubblePref() {
  PrefService* local_state = g_browser_process->local_state();
  if (!local_state)
    return false;
  if (!local_state->FindPreference(prefs::kShouldUseMinimalFirstRunBubble)) {
    local_state->RegisterBooleanPref(prefs::kShouldUseMinimalFirstRunBubble,
                                     false);
    local_state->SetBoolean(prefs::kShouldUseMinimalFirstRunBubble, true);
  }
  return true;
}

// static
int FirstRun::ImportFromFile(Profile* profile, const CommandLine& cmdline) {
  FilePath file_path = cmdline.GetSwitchValuePath(switches::kImportFromFile);
  if (file_path.empty()) {
    NOTREACHED();
    return false;
  }
  scoped_refptr<ImporterHost> importer_host = new ImporterHost();
  FirstRunImportObserver observer;

  importer_host->set_headless();

  ProfileInfo profile_info;
  profile_info.browser_type = importer::BOOKMARKS_HTML;
  profile_info.source_path = file_path;

  StartImportingWithUI(
      NULL,
      importer::FAVORITES,
      importer_host,
      profile_info,
      profile,
      &observer,
      true);

  observer.RunLoop();
  return observer.import_result();
}

// static
bool FirstRun::GetFirstRunSentinelFilePath(FilePath* path) {
  FilePath first_run_sentinel;

#if defined(OS_WIN)
  FilePath exe_path;
  if (!PathService::Get(base::DIR_EXE, &exe_path))
    return false;
  if (InstallUtil::IsPerUserInstall(exe_path.value().c_str())) {
    first_run_sentinel = exe_path;
  } else {
    if (!PathService::Get(chrome::DIR_USER_DATA, &first_run_sentinel))
      return false;
  }
#else
  if (!PathService::Get(chrome::DIR_USER_DATA, &first_run_sentinel))
    return false;
#endif

  *path = first_run_sentinel.AppendASCII(kSentinelFile);
  return true;
}

#if (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)
// static
void Upgrade::RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
  if (new_command_line_) {
    if (!RelaunchChromeBrowser(*new_command_line_)) {
      DLOG(ERROR) << "Launching a new instance of the browser failed.";
    } else {
      DLOG(WARNING) << "Launched a new instance of the browser.";
    }
    delete new_command_line_;
    new_command_line_ = NULL;
  }
}
#endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)

int FirstRunImportObserver::import_result() const {
  return import_result_;
}

void FirstRunImportObserver::ImportCanceled() {
  import_result_ = ResultCodes::IMPORTER_CANCEL;
  Finish();
}
void FirstRunImportObserver::ImportComplete() {
  import_result_ = ResultCodes::NORMAL_EXIT;
  Finish();
}

void FirstRunImportObserver::RunLoop() {
  loop_running_ = true;
  MessageLoop::current()->Run();
}

void FirstRunImportObserver::Finish() {
  if (loop_running_)
    MessageLoop::current()->Quit();
}

// TODO(avi): port the relevant pieces and enable this.
#if !defined(OS_MACOSX)
// static
void FirstRun::AutoImport(
    Profile* profile,
    bool homepage_defined,
    int import_items,
    int dont_import_items,
    bool search_engine_experiment,
    bool randomize_search_engine_experiment,
    ProcessSingleton* process_singleton) {
  // We need to avoid dispatching new tabs when we are importing because
  // that will lead to data corruption or a crash. Because there is no UI for
  // the import process, we pass NULL as the window to bring to the foreground
  // when a CopyData message comes in; this causes the message to be silently
  // discarded, which is the correct behavior during the import process.
  process_singleton->Lock(NULL);

  PlatformSetup();

  scoped_refptr<ImporterHost> importer_host;
  importer_host = new ImporterHost();
  // Do import if there is an available profile for us to import.
  if (importer_host->GetAvailableProfileCount() > 0) {
    // Don't show the warning dialog if import fails.
    importer_host->set_headless();
    int items = 0;

    // History is always imported unless turned off in master_preferences.
    if (!(dont_import_items & importer::HISTORY))
      items = items | importer::HISTORY;
    // Home page is imported in organic builds only unless turned off or
    // defined in master_preferences.
    if (IsOrganic()) {
      if (!(dont_import_items & importer::HOME_PAGE) && !homepage_defined)
        items = items | importer::HOME_PAGE;
    } else {
      if (import_items & importer::HOME_PAGE)
        items = items | importer::HOME_PAGE;
    }
    // Search engines are imported in organic builds only unless overriden
    // in master_preferences.
    if (IsOrganic()) {
      if (!(dont_import_items & importer::SEARCH_ENGINES))
        items = items | importer::SEARCH_ENGINES;
    } else {
      if (import_items & importer::SEARCH_ENGINES)
        items = items | importer::SEARCH_ENGINES;
    }

    // Bookmarks are never imported, unless turned on in master_preferences.
    if (import_items & importer::FAVORITES)
      items = items | importer::FAVORITES;

    ImportSettings(profile, importer_host, items);
  }

  UserMetrics::RecordAction(UserMetricsAction("FirstRunDef_Accept"));

  // Launch the search engine dialog only if build is organic.
  if (IsOrganic()) {
    // The home page string may be set in the preferences, but the user should
    // initially use Chrome with the NTP as home page in organic builds.
    profile->GetPrefs()->SetBoolean(prefs::kHomePageIsNewTabPage, true);

    ShowFirstRunDialog(profile, randomize_search_engine_experiment);
  }

  FirstRun::SetShowFirstRunBubblePref(true);
  // Set the first run bubble to minimal.
  FirstRun::SetMinimalFirstRunBubblePref();
  FirstRun::SetShowWelcomePagePref();

  process_singleton->Unlock();
  FirstRun::CreateSentinel();
}
#endif  // !defined(OS_MACOSX)