chrome/installer/setup/install.cc

   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/installer/setup/install.h"
   6
   7 #include <windows.h>
   8 #include <shlobj.h>
   9 #include <time.h>
  10
  11 #include <string>
  12
  13 #include "base/files/file_path.h"
  14 #include "base/files/file_util.h"
  15 #include "base/logging.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "base/numerics/safe_conversions.h"
  18 #include "base/path_service.h"
  19 #include "base/strings/string_util.h"
  20 #include "base/strings/stringprintf.h"
  21 #include "base/strings/utf_string_conversions.h"
  22 #include "base/win/shortcut.h"
  23 #include "base/win/windows_version.h"
  24 #include "chrome/common/chrome_constants.h"
  25 #include "chrome/common/chrome_switches.h"
  26 #include "chrome/installer/setup/install_worker.h"
  27 #include "chrome/installer/setup/setup_constants.h"
  28 #include "chrome/installer/util/auto_launch_util.h"
  29 #include "chrome/installer/util/browser_distribution.h"
  30 #include "chrome/installer/util/create_reg_key_work_item.h"
  31 #include "chrome/installer/util/delete_after_reboot_helper.h"
  32 #include "chrome/installer/util/google_update_constants.h"
  33 #include "chrome/installer/util/helper.h"
  34 #include "chrome/installer/util/install_util.h"
  35 #include "chrome/installer/util/master_preferences.h"
  36 #include "chrome/installer/util/master_preferences_constants.h"
  37 #include "chrome/installer/util/set_reg_value_work_item.h"
  38 #include "chrome/installer/util/shell_util.h"
  39 #include "chrome/installer/util/util_constants.h"
  40 #include "chrome/installer/util/work_item_list.h"
  41
  42
  43 namespace {
  44
  45 void LogShortcutOperation(ShellUtil::ShortcutLocation location,
  46                           BrowserDistribution* dist,
  47                           const ShellUtil::ShortcutProperties& properties,
  48                           ShellUtil::ShortcutOperation operation,
  49                           bool failed) {
  50   // ShellUtil::SHELL_SHORTCUT_UPDATE_EXISTING should not be used at install and
  51   // thus this method does not handle logging a message for it.
  52   DCHECK(operation != ShellUtil::SHELL_SHORTCUT_UPDATE_EXISTING);
  53   std::string message;
  54   if (failed)
  55     message.append("Failed: ");
  56   message.append(
  57       (operation == ShellUtil::SHELL_SHORTCUT_CREATE_ALWAYS ||
  58        operation == ShellUtil::SHELL_SHORTCUT_CREATE_IF_NO_SYSTEM_LEVEL) ?
  59       "Creating " : "Overwriting ");
  60   if (failed && operation == ShellUtil::SHELL_SHORTCUT_REPLACE_EXISTING)
  61     message.append("(maybe the shortcut doesn't exist?) ");
  62   message.append((properties.level == ShellUtil::CURRENT_USER) ? "per-user " :
  63                                                                  "all-users ");
  64   switch (location) {
  65     case ShellUtil::SHORTCUT_LOCATION_DESKTOP:
  66       message.append("Desktop ");
  67       break;
  68     case ShellUtil::SHORTCUT_LOCATION_QUICK_LAUNCH:
  69       message.append("Quick Launch ");
  70       break;
  71     case ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_DIR:
  72       message.append("Start menu/" +
  73                      base::UTF16ToUTF8(dist->GetStartMenuShortcutSubfolder(
  74                                      BrowserDistribution::SUBFOLDER_CHROME)) +
  75                       " ");
  76       break;
  77     case ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_APPS_DIR:
  78       message.append("Start menu/" +
  79                      base::UTF16ToUTF8(dist->GetStartMenuShortcutSubfolder(
  80                                      BrowserDistribution::SUBFOLDER_APPS)) +
  81                      " ");
  82       break;
  83     default:
  84       NOTREACHED();
  85   }
  86
  87   message.push_back('"');
  88   if (properties.has_shortcut_name())
  89     message.append(base::UTF16ToUTF8(properties.shortcut_name));
  90   else
  91     message.append(base::UTF16ToUTF8(dist->GetDisplayName()));
  92   message.push_back('"');
  93
  94   message.append(" shortcut to ");
  95   message.append(base::UTF16ToUTF8(properties.target.value()));
  96   if (properties.has_arguments())
  97     message.append(base::UTF16ToUTF8(properties.arguments));
  98
  99   if (properties.pin_to_taskbar &&
 100       base::win::GetVersion() >= base::win::VERSION_WIN7) {
 101     message.append(" and pinning to the taskbar.");
 102   } else {
 103     message.push_back('.');
 104   }
 105
 106   if (failed)
 107     LOG(WARNING) << message;
 108   else
 109     VLOG(1) << message;
 110 }
 111
 112 void ExecuteAndLogShortcutOperation(
 113     ShellUtil::ShortcutLocation location,
 114     BrowserDistribution* dist,
 115     const ShellUtil::ShortcutProperties& properties,
 116     ShellUtil::ShortcutOperation operation) {
 117   LogShortcutOperation(location, dist, properties, operation, false);
 118   if (!ShellUtil::CreateOrUpdateShortcut(location, dist, properties,
 119                                          operation)) {
 120     LogShortcutOperation(location, dist, properties, operation, true);
 121   }
 122 }
 123
 124 void AddChromeToMediaPlayerList() {
 125   base::string16 reg_path(installer::kMediaPlayerRegPath);
 126   // registry paths can also be appended like file system path
 127   reg_path.push_back(base::FilePath::kSeparators[0]);
 128   reg_path.append(installer::kChromeExe);
 129   VLOG(1) << "Adding Chrome to Media player list at " << reg_path;
 130   scoped_ptr<WorkItem> work_item(WorkItem::CreateCreateRegKeyWorkItem(
 131       HKEY_LOCAL_MACHINE, reg_path, WorkItem::kWow64Default));
 132
 133   // if the operation fails we log the error but still continue
 134   if (!work_item.get()->Do())
 135     LOG(ERROR) << "Could not add Chrome to media player inclusion list.";
 136 }
 137
 138 // Copy master_preferences file provided to installer, in the same folder
 139 // as chrome.exe so Chrome first run can find it. This function will be called
 140 // only on the first install of Chrome.
 141 void CopyPreferenceFileForFirstRun(
 142     const installer::InstallerState& installer_state,
 143     const base::FilePath& prefs_source_path) {
 144   base::FilePath prefs_dest_path(installer_state.target_path().AppendASCII(
 145       installer::kDefaultMasterPrefs));
 146   if (!base::CopyFile(prefs_source_path, prefs_dest_path)) {
 147     VLOG(1) << "Failed to copy master preferences from:"
 148             << prefs_source_path.value() << " gle: " << ::GetLastError();
 149   }
 150 }
 151
 152 // This function installs a new version of Chrome to the specified location.
 153 //
 154 // setup_path: Path to the executable (setup.exe) as it will be copied
 155 //           to Chrome install folder after install is complete
 156 // archive_path: Path to the archive (chrome.7z) as it will be copied
 157 //               to Chrome install folder after install is complete
 158 // src_path: the path that contains a complete and unpacked Chrome package
 159 //           to be installed.
 160 // temp_path: the path of working directory used during installation. This path
 161 //            does not need to exist.
 162 // new_version: new Chrome version that needs to be installed
 163 // current_version: returns the current active version (if any)
 164 //
 165 // This function makes best effort to do installation in a transactional
 166 // manner. If failed it tries to rollback all changes on the file system
 167 // and registry. For example, if package exists before calling the
 168 // function, it rolls back all new file and directory changes under
 169 // package. If package does not exist before calling the function
 170 // (typical new install), the function creates package during install
 171 // and removes the whole directory during rollback.
 172 installer::InstallStatus InstallNewVersion(
 173     const installer::InstallationState& original_state,
 174     const installer::InstallerState& installer_state,
 175     const base::FilePath& setup_path,
 176     const base::FilePath& archive_path,
 177     const base::FilePath& src_path,
 178     const base::FilePath& temp_path,
 179     const Version& new_version,
 180     scoped_ptr<Version>* current_version) {
 181   DCHECK(current_version);
 182
 183   installer_state.UpdateStage(installer::BUILDING);
 184
 185   current_version->reset(installer_state.GetCurrentVersion(original_state));
 186   scoped_ptr<WorkItemList> install_list(WorkItem::CreateWorkItemList());
 187
 188   AddInstallWorkItems(original_state,
 189                       installer_state,
 190                       setup_path,
 191                       archive_path,
 192                       src_path,
 193                       temp_path,
 194                       current_version->get(),
 195                       new_version,
 196                       install_list.get());
 197
 198   base::FilePath new_chrome_exe(
 199       installer_state.target_path().Append(installer::kChromeNewExe));
 200
 201   installer_state.UpdateStage(installer::EXECUTING);
 202
 203   if (!install_list->Do()) {
 204     installer_state.UpdateStage(installer::ROLLINGBACK);
 205     installer::InstallStatus result =
 206         base::PathExists(new_chrome_exe) && current_version->get() &&
 207         new_version.Equals(*current_version->get()) ?
 208         installer::SAME_VERSION_REPAIR_FAILED :
 209         installer::INSTALL_FAILED;
 210     LOG(ERROR) << "Install failed, rolling back... result: " << result;
 211     install_list->Rollback();
 212     LOG(ERROR) << "Rollback complete. ";
 213     return result;
 214   }
 215
 216   installer_state.UpdateStage(installer::REFRESHING_POLICY);
 217
 218   installer::RefreshElevationPolicy();
 219
 220   if (!current_version->get()) {
 221     VLOG(1) << "First install of version " << new_version.GetString();
 222     return installer::FIRST_INSTALL_SUCCESS;
 223   }
 224
 225   if (new_version.Equals(**current_version)) {
 226     VLOG(1) << "Install repaired of version " << new_version.GetString();
 227     return installer::INSTALL_REPAIRED;
 228   }
 229
 230   if (new_version.CompareTo(**current_version) > 0) {
 231     if (base::PathExists(new_chrome_exe)) {
 232       VLOG(1) << "Version updated to " << new_version.GetString()
 233               << " while running " << (*current_version)->GetString();
 234       return installer::IN_USE_UPDATED;
 235     }
 236     VLOG(1) << "Version updated to " << new_version.GetString();
 237     return installer::NEW_VERSION_UPDATED;
 238   }
 239
 240   LOG(ERROR) << "Not sure how we got here while updating"
 241              << ", new version: " << new_version.GetString()
 242              << ", old version: " << (*current_version)->GetString();
 243
 244   return installer::INSTALL_FAILED;
 245 }
 246
 247 // Deletes the old "Uninstall Google Chrome" shortcut in the Start menu which
 248 // was installed prior to Chrome 24.
 249 void CleanupLegacyShortcuts(const installer::InstallerState& installer_state,
 250                             BrowserDistribution* dist,
 251                             const base::FilePath& chrome_exe) {
 252   ShellUtil::ShellChange shortcut_level = installer_state.system_install() ?
 253       ShellUtil::SYSTEM_LEVEL : ShellUtil::CURRENT_USER;
 254   base::FilePath uninstall_shortcut_path;
 255   ShellUtil::GetShortcutPath(ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_DIR,
 256                              dist, shortcut_level, &uninstall_shortcut_path);
 257   uninstall_shortcut_path = uninstall_shortcut_path.Append(
 258       dist->GetUninstallLinkName() + installer::kLnkExt);
 259   base::DeleteFile(uninstall_shortcut_path, false);
 260 }
 261
 262 // Returns the appropriate shortcut operations for App Launcher,
 263 // based on state of installation and master_preferences.
 264 installer::InstallShortcutOperation GetAppLauncherShortcutOperation(
 265     const installer::InstallationState& original_state,
 266     const installer::InstallerState& installer_state) {
 267   const installer::ProductState* original_app_host_state =
 268       original_state.GetProductState(installer_state.system_install(),
 269                                      BrowserDistribution::CHROME_APP_HOST);
 270   bool app_launcher_exists = original_app_host_state &&
 271       original_app_host_state->uninstall_command()
 272           .HasSwitch(installer::switches::kChromeAppLauncher);
 273   if (!app_launcher_exists)
 274     return installer::INSTALL_SHORTCUT_CREATE_ALL;
 275
 276   return installer::INSTALL_SHORTCUT_REPLACE_EXISTING;
 277 }
 278
 279 }  // end namespace
 280
 281 namespace installer {
 282
 283 void EscapeXmlAttributeValueInSingleQuotes(base::string16* att_value) {
 284   base::ReplaceChars(*att_value, base::ASCIIToUTF16("&"),
 285                      base::ASCIIToUTF16("&amp;"), att_value);
 286   base::ReplaceChars(*att_value, base::ASCIIToUTF16("'"),
 287                      base::ASCIIToUTF16("&apos;"), att_value);
 288   base::ReplaceChars(*att_value, base::ASCIIToUTF16("<"),
 289                      base::ASCIIToUTF16("&lt;"), att_value);
 290 }
 291
 292 bool CreateVisualElementsManifest(const base::FilePath& src_path,
 293                                   const Version& version) {
 294   // Construct the relative path to the versioned VisualElements directory.
 295   base::string16 elements_dir(base::ASCIIToUTF16(version.GetString()));
 296   elements_dir.push_back(base::FilePath::kSeparators[0]);
 297   elements_dir.append(installer::kVisualElements);
 298
 299   // Some distributions of Chromium may not include visual elements. Only
 300   // proceed if this distribution does.
 301   if (!base::PathExists(src_path.Append(elements_dir))) {
 302     VLOG(1) << "No visual elements found, not writing "
 303             << installer::kVisualElementsManifest << " to " << src_path.value();
 304     return true;
 305   } else {
 306     // A printf_p-style format string for generating the visual elements
 307     // manifest. Required arguments, in order, are:
 308     //   - Localized display name for the product.
 309     //   - Relative path to the VisualElements directory.
 310     static const char kManifestTemplate[] =
 311         "<Application>\r\n"
 312         "  <VisualElements\r\n"
 313         "      DisplayName='%1$ls'\r\n"
 314         "      Logo='%2$ls\\Logo.png'\r\n"
 315         "      SmallLogo='%2$ls\\SmallLogo.png'\r\n"
 316         "      ForegroundText='light'\r\n"
 317         "      BackgroundColor='#323232'>\r\n"
 318         "    <DefaultTile ShowName='allLogos'/>\r\n"
 319         "    <SplashScreen Image='%2$ls\\splash-620x300.png'/>\r\n"
 320         "  </VisualElements>\r\n"
 321         "</Application>";
 322
 323     const base::string16 manifest_template(
 324         base::ASCIIToUTF16(kManifestTemplate));
 325
 326     BrowserDistribution* dist = BrowserDistribution::GetSpecificDistribution(
 327         BrowserDistribution::CHROME_BROWSER);
 328     // TODO(grt): http://crbug.com/75152 Write a reference to a localized
 329     // resource for |display_name|.
 330     base::string16 display_name(dist->GetDisplayName());
 331     EscapeXmlAttributeValueInSingleQuotes(&display_name);
 332
 333     // Fill the manifest with the desired values.
 334     base::string16 manifest16(base::StringPrintf(
 335         manifest_template.c_str(), display_name.c_str(), elements_dir.c_str()));
 336
 337     // Write the manifest to |src_path|.
 338     const std::string manifest(base::UTF16ToUTF8(manifest16));
 339     int size = base::checked_cast<int>(manifest.size());
 340     if (base::WriteFile(
 341         src_path.Append(installer::kVisualElementsManifest),
 342             manifest.c_str(), size) == size) {
 343       VLOG(1) << "Successfully wrote " << installer::kVisualElementsManifest
 344               << " to " << src_path.value();
 345       return true;
 346     } else {
 347       PLOG(ERROR) << "Error writing " << installer::kVisualElementsManifest
 348                   << " to " << src_path.value();
 349       return false;
 350     }
 351   }
 352 }
 353
 354 void CreateOrUpdateShortcuts(
 355     const base::FilePath& target,
 356     const installer::Product& product,
 357     const MasterPreferences& prefs,
 358     InstallShortcutLevel install_level,
 359     InstallShortcutOperation install_operation) {
 360   bool do_not_create_any_shortcuts = false;
 361   prefs.GetBool(master_preferences::kDoNotCreateAnyShortcuts,
 362                 &do_not_create_any_shortcuts);
 363   if (do_not_create_any_shortcuts)
 364     return;
 365
 366   // Extract shortcut preferences from |prefs|.
 367   bool do_not_create_desktop_shortcut = false;
 368   bool do_not_create_quick_launch_shortcut = false;
 369   bool do_not_create_taskbar_shortcut = false;
 370   bool alternate_desktop_shortcut = false;
 371   prefs.GetBool(master_preferences::kDoNotCreateDesktopShortcut,
 372                 &do_not_create_desktop_shortcut);
 373   prefs.GetBool(master_preferences::kDoNotCreateQuickLaunchShortcut,
 374                 &do_not_create_quick_launch_shortcut);
 375   prefs.GetBool(master_preferences::kDoNotCreateTaskbarShortcut,
 376                 &do_not_create_taskbar_shortcut);
 377   prefs.GetBool(master_preferences::kAltShortcutText,
 378                 &alternate_desktop_shortcut);
 379
 380   BrowserDistribution* dist = product.distribution();
 381
 382   // The default operation on update is to overwrite shortcuts with the
 383   // currently desired properties, but do so only for shortcuts that still
 384   // exist.
 385   ShellUtil::ShortcutOperation shortcut_operation;
 386   switch (install_operation) {
 387     case INSTALL_SHORTCUT_CREATE_ALL:
 388       shortcut_operation = ShellUtil::SHELL_SHORTCUT_CREATE_ALWAYS;
 389       break;
 390     case INSTALL_SHORTCUT_CREATE_EACH_IF_NO_SYSTEM_LEVEL:
 391       shortcut_operation = ShellUtil::SHELL_SHORTCUT_CREATE_IF_NO_SYSTEM_LEVEL;
 392       break;
 393     default:
 394       DCHECK(install_operation == INSTALL_SHORTCUT_REPLACE_EXISTING);
 395       shortcut_operation = ShellUtil::SHELL_SHORTCUT_REPLACE_EXISTING;
 396       break;
 397   }
 398
 399   // Shortcuts are always installed per-user unless specified.
 400   ShellUtil::ShellChange shortcut_level = (install_level == ALL_USERS ?
 401       ShellUtil::SYSTEM_LEVEL : ShellUtil::CURRENT_USER);
 402
 403   // |base_properties|: The basic properties to set on every shortcut installed
 404   // (to be refined on a per-shortcut basis).
 405   ShellUtil::ShortcutProperties base_properties(shortcut_level);
 406   product.AddDefaultShortcutProperties(target, &base_properties);
 407
 408   if (!do_not_create_desktop_shortcut ||
 409       shortcut_operation == ShellUtil::SHELL_SHORTCUT_REPLACE_EXISTING) {
 410     ShellUtil::ShortcutProperties desktop_properties(base_properties);
 411     if (alternate_desktop_shortcut) {
 412       desktop_properties.set_shortcut_name(
 413           dist->GetShortcutName(
 414               BrowserDistribution::SHORTCUT_CHROME_ALTERNATE));
 415     }
 416     ExecuteAndLogShortcutOperation(
 417         ShellUtil::SHORTCUT_LOCATION_DESKTOP, dist, desktop_properties,
 418         shortcut_operation);
 419
 420     // On update there is no harm in always trying to update the alternate
 421     // Desktop shortcut.
 422     if (!alternate_desktop_shortcut &&
 423         shortcut_operation == ShellUtil::SHELL_SHORTCUT_REPLACE_EXISTING) {
 424       desktop_properties.set_shortcut_name(
 425           dist->GetShortcutName(
 426               BrowserDistribution::SHORTCUT_CHROME_ALTERNATE));
 427       ExecuteAndLogShortcutOperation(
 428           ShellUtil::SHORTCUT_LOCATION_DESKTOP, dist, desktop_properties,
 429           shortcut_operation);
 430     }
 431   }
 432
 433   if (!do_not_create_quick_launch_shortcut ||
 434       shortcut_operation == ShellUtil::SHELL_SHORTCUT_REPLACE_EXISTING) {
 435     // There is no such thing as an all-users Quick Launch shortcut, always
 436     // install the per-user shortcut.
 437     ShellUtil::ShortcutProperties quick_launch_properties(base_properties);
 438     quick_launch_properties.level = ShellUtil::CURRENT_USER;
 439     ExecuteAndLogShortcutOperation(
 440         ShellUtil::SHORTCUT_LOCATION_QUICK_LAUNCH, dist,
 441         quick_launch_properties, shortcut_operation);
 442   }
 443
 444   ShellUtil::ShortcutProperties start_menu_properties(base_properties);
 445   // IMPORTANT: Only the default (no arguments and default browserappid) browser
 446   // shortcut in the Start menu (Start screen on Win8+) should be made dual
 447   // mode.
 448   start_menu_properties.set_dual_mode(true);
 449   if (!do_not_create_taskbar_shortcut &&
 450       (shortcut_operation == ShellUtil::SHELL_SHORTCUT_CREATE_ALWAYS ||
 451        shortcut_operation ==
 452            ShellUtil::SHELL_SHORTCUT_CREATE_IF_NO_SYSTEM_LEVEL)) {
 453     start_menu_properties.set_pin_to_taskbar(true);
 454   }
 455   ExecuteAndLogShortcutOperation(
 456       ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_DIR, dist,
 457       start_menu_properties, shortcut_operation);
 458 }
 459
 460 void RegisterChromeOnMachine(const installer::InstallerState& installer_state,
 461                              const installer::Product& product,
 462                              bool make_chrome_default) {
 463   DCHECK(product.is_chrome());
 464
 465   // Try to add Chrome to Media Player shim inclusion list. We don't do any
 466   // error checking here because this operation will fail if user doesn't
 467   // have admin rights and we want to ignore the error.
 468   AddChromeToMediaPlayerList();
 469
 470   // Make Chrome the default browser if desired when possible. Otherwise, only
 471   // register it with Windows.
 472   BrowserDistribution* dist = product.distribution();
 473   const base::string16 chrome_exe(
 474       installer_state.target_path().Append(installer::kChromeExe).value());
 475   VLOG(1) << "Registering Chrome as browser: " << chrome_exe;
 476   if (make_chrome_default && ShellUtil::CanMakeChromeDefaultUnattended()) {
 477     int level = ShellUtil::CURRENT_USER;
 478     if (installer_state.system_install())
 479       level = level | ShellUtil::SYSTEM_LEVEL;
 480     ShellUtil::MakeChromeDefault(dist, level, chrome_exe, true);
 481   } else {
 482     ShellUtil::RegisterChromeBrowser(dist, chrome_exe, base::string16(), false);
 483   }
 484 }
 485
 486 InstallStatus InstallOrUpdateProduct(
 487     const installer::InstallationState& original_state,
 488     const installer::InstallerState& installer_state,
 489     const base::FilePath& setup_path,
 490     const base::FilePath& archive_path,
 491     const base::FilePath& install_temp_path,
 492     const base::FilePath& src_path,
 493     const base::FilePath& prefs_path,
 494     const MasterPreferences& prefs,
 495     const Version& new_version) {
 496   DCHECK(!installer_state.products().empty());
 497
 498   // TODO(robertshield): Removing the pending on-reboot moves should be done
 499   // elsewhere.
 500   // Remove any scheduled MOVEFILE_DELAY_UNTIL_REBOOT entries in the target of
 501   // this installation. These may have been added during a previous uninstall of
 502   // the same version.
 503   LOG_IF(ERROR, !RemoveFromMovesPendingReboot(installer_state.target_path()))
 504       << "Error accessing pending moves value.";
 505
 506   // Create VisualElementManifest.xml in |src_path| (if required) so that it
 507   // looks as if it had been extracted from the archive when calling
 508   // InstallNewVersion() below.
 509   installer_state.UpdateStage(installer::CREATING_VISUAL_MANIFEST);
 510   CreateVisualElementsManifest(src_path, new_version);
 511
 512   scoped_ptr<Version> existing_version;
 513   InstallStatus result = InstallNewVersion(original_state, installer_state,
 514       setup_path, archive_path, src_path, install_temp_path, new_version,
 515       &existing_version);
 516
 517   // TODO(robertshield): Everything below this line should instead be captured
 518   // by WorkItems.
 519   if (!InstallUtil::GetInstallReturnCode(result)) {
 520     installer_state.UpdateStage(installer::UPDATING_CHANNELS);
 521
 522     // Update the modifiers on the channel values for the product(s) being
 523     // installed and for the binaries in case of multi-install.
 524     installer_state.UpdateChannels();
 525
 526     installer_state.UpdateStage(installer::COPYING_PREFERENCES_FILE);
 527
 528     if (result == FIRST_INSTALL_SUCCESS && !prefs_path.empty())
 529       CopyPreferenceFileForFirstRun(installer_state, prefs_path);
 530
 531     installer_state.UpdateStage(installer::CREATING_SHORTCUTS);
 532
 533     const installer::Product* app_launcher_product =
 534         installer_state.FindProduct(BrowserDistribution::CHROME_APP_HOST);
 535     // Creates shortcuts for App Launcher.
 536     if (app_launcher_product) {
 537       // TODO(huangs): Remove this check once we have system-level App Host.
 538       DCHECK(!installer_state.system_install());
 539       const base::FilePath app_host_exe(
 540           installer_state.target_path().Append(kChromeAppHostExe));
 541       InstallShortcutOperation app_launcher_shortcut_operation =
 542           GetAppLauncherShortcutOperation(original_state, installer_state);
 543
 544       // Always install per-user shortcuts for App Launcher.
 545       CreateOrUpdateShortcuts(app_host_exe, *app_launcher_product, prefs,
 546                               CURRENT_USER, app_launcher_shortcut_operation);
 547     }
 548
 549     const installer::Product* chrome_product =
 550         installer_state.FindProduct(BrowserDistribution::CHROME_BROWSER);
 551     // Creates shortcuts for Chrome.
 552     if (chrome_product) {
 553       BrowserDistribution* chrome_dist = chrome_product->distribution();
 554       const base::FilePath chrome_exe(
 555           installer_state.target_path().Append(kChromeExe));
 556       CleanupLegacyShortcuts(installer_state, chrome_dist, chrome_exe);
 557
 558       // Install per-user shortcuts on user-level installs and all-users
 559       // shortcuts on system-level installs. Note that Active Setup will take
 560       // care of installing missing per-user shortcuts on system-level install
 561       // (i.e., quick launch, taskbar pin, and possibly deleted all-users
 562       // shortcuts).
 563       InstallShortcutLevel install_level = installer_state.system_install() ?
 564           ALL_USERS : CURRENT_USER;
 565
 566       InstallShortcutOperation install_operation =
 567           INSTALL_SHORTCUT_REPLACE_EXISTING;
 568       if (result == installer::FIRST_INSTALL_SUCCESS ||
 569           result == installer::INSTALL_REPAIRED ||
 570           !original_state.GetProductState(installer_state.system_install(),
 571                                           chrome_dist->GetType())) {
 572         // Always create the shortcuts on a new install, a repair install, and
 573         // when the Chrome product is being added to the current install.
 574         install_operation = INSTALL_SHORTCUT_CREATE_ALL;
 575       }
 576
 577       CreateOrUpdateShortcuts(chrome_exe, *chrome_product, prefs, install_level,
 578                               install_operation);
 579     }
 580
 581     if (chrome_product) {
 582       // Register Chrome and, if requested, make Chrome the default browser.
 583       installer_state.UpdateStage(installer::REGISTERING_CHROME);
 584
 585       bool make_chrome_default = false;
 586       prefs.GetBool(master_preferences::kMakeChromeDefault,
 587                     &make_chrome_default);
 588
 589       // If this is not the user's first Chrome install, but they have chosen
 590       // Chrome to become their default browser on the download page, we must
 591       // force it here because the master_preferences file will not get copied
 592       // into the build.
 593       bool force_chrome_default_for_user = false;
 594       if (result == NEW_VERSION_UPDATED ||
 595           result == INSTALL_REPAIRED) {
 596         prefs.GetBool(master_preferences::kMakeChromeDefaultForUser,
 597                       &force_chrome_default_for_user);
 598       }
 599
 600       RegisterChromeOnMachine(installer_state, *chrome_product,
 601           make_chrome_default || force_chrome_default_for_user);
 602
 603       // Configure auto-launch.
 604       if (result == FIRST_INSTALL_SUCCESS) {
 605         installer_state.UpdateStage(installer::CONFIGURE_AUTO_LAUNCH);
 606
 607         // Add auto-launch key if specified in master_preferences.
 608         bool auto_launch_chrome = false;
 609         prefs.GetBool(
 610             installer::master_preferences::kAutoLaunchChrome,
 611             &auto_launch_chrome);
 612         if (auto_launch_chrome) {
 613           auto_launch_util::EnableForegroundStartAtLogin(
 614               base::ASCIIToUTF16(chrome::kInitialProfile),
 615               installer_state.target_path());
 616         }
 617       }
 618     }
 619
 620     installer_state.UpdateStage(installer::REMOVING_OLD_VERSIONS);
 621
 622     installer_state.RemoveOldVersionDirectories(
 623         new_version,
 624         existing_version.get(),
 625         install_temp_path);
 626   }
 627
 628   return result;
 629 }
 630
 631 void HandleOsUpgradeForBrowser(const installer::InstallerState& installer_state,
 632                                const installer::Product& chrome) {
 633   DCHECK(chrome.is_chrome());
 634   // Upon upgrading to Windows 8, we need to fix Chrome shortcuts and register
 635   // Chrome, so that Metro Chrome would work if Chrome is the default browser.
 636   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 637     VLOG(1) << "Updating and registering shortcuts.";
 638     // Read master_preferences copied beside chrome.exe at install.
 639     MasterPreferences prefs(
 640         installer_state.target_path().AppendASCII(kDefaultMasterPrefs));
 641
 642     // Unfortunately, if this is a system-level install, we can't update the
 643     // shortcuts of each individual user (this only matters if this is an OS
 644     // upgrade from XP/Vista to Win7+ as some properties are only set on
 645     // shortcuts as of Win7).
 646     // At least attempt to update potentially existing all-users shortcuts.
 647     InstallShortcutLevel level = installer_state.system_install() ?
 648         ALL_USERS : CURRENT_USER;
 649     base::FilePath chrome_exe(installer_state.target_path().Append(kChromeExe));
 650     CreateOrUpdateShortcuts(
 651         chrome_exe, chrome, prefs, level, INSTALL_SHORTCUT_REPLACE_EXISTING);
 652     RegisterChromeOnMachine(installer_state, chrome, false);
 653   }
 654 }
 655
 656 // NOTE: Should the work done here, on Active Setup, change: kActiveSetupVersion
 657 // in install_worker.cc needs to be increased for Active Setup to invoke this
 658 // again for all users of this install.
 659 void HandleActiveSetupForBrowser(const base::FilePath& installation_root,
 660                                  const installer::Product& chrome,
 661                                  bool force) {
 662   DCHECK(chrome.is_chrome());
 663   // Only create shortcuts on Active Setup if the first run sentinel is not
 664   // present for this user (as some shortcuts used to be installed on first
 665   // run and this could otherwise re-install shortcuts for users that have
 666   // already deleted them in the past).
 667   // Decide whether to create the shortcuts or simply replace existing
 668   // shortcuts; if the decision is to create them, only shortcuts whose matching
 669   // all-users shortcut isn't present on the system will be created.
 670   InstallShortcutOperation install_operation =
 671       (!force && InstallUtil::IsFirstRunSentinelPresent() ?
 672            INSTALL_SHORTCUT_REPLACE_EXISTING :
 673            INSTALL_SHORTCUT_CREATE_EACH_IF_NO_SYSTEM_LEVEL);
 674
 675   // Read master_preferences copied beside chrome.exe at install.
 676   MasterPreferences prefs(installation_root.AppendASCII(kDefaultMasterPrefs));
 677   base::FilePath chrome_exe(installation_root.Append(kChromeExe));
 678   CreateOrUpdateShortcuts(
 679       chrome_exe, chrome, prefs, CURRENT_USER, install_operation);
 680 }
 681
 682 }  // namespace installer