src/chrome/browser/chromeos/login/chrome_restart_request.cc

   1 // Copyright 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 "chrome/browser/chromeos/login/chrome_restart_request.h"
   6
   7 #include <vector>
   8
   9 #include "ash/ash_switches.h"
  10 #include "base/command_line.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/path_service.h"
  14 #include "base/prefs/json_pref_store.h"
  15 #include "base/prefs/pref_service.h"
  16 #include "base/process/launch.h"
  17 #include "base/strings/string_split.h"
  18 #include "base/strings/stringprintf.h"
  19 #include "base/sys_info.h"
  20 #include "base/timer/timer.h"
  21 #include "base/values.h"
  22 #include "cc/base/switches.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/chromeos/login/user_manager.h"
  25 #include "chrome/browser/lifetime/application_lifetime.h"
  26 #include "chrome/common/chrome_constants.h"
  27 #include "chrome/common/chrome_paths.h"
  28 #include "chrome/common/chrome_switches.h"
  29 #include "chrome/common/url_constants.h"
  30 #include "chromeos/chromeos_switches.h"
  31 #include "chromeos/dbus/dbus_thread_manager.h"
  32 #include "chromeos/dbus/session_manager_client.h"
  33 #include "components/policy/core/common/policy_switches.h"
  34 #include "content/public/browser/browser_thread.h"
  35 #include "content/public/common/content_switches.h"
  36 #include "gpu/command_buffer/service/gpu_switches.h"
  37 #include "media/base/media_switches.h"
  38 #include "ui/base/ui_base_switches.h"
  39 #include "ui/compositor/compositor_switches.h"
  40 #include "ui/events/event_switches.h"
  41 #include "ui/gfx/switches.h"
  42 #include "ui/gl/gl_switches.h"
  43 #include "ui/views/corewm/corewm_switches.h"
  44 #include "url/gurl.h"
  45
  46 using content::BrowserThread;
  47
  48 namespace chromeos {
  49
  50 namespace {
  51
  52 // Increase logging level for Guest mode to avoid INFO messages in logs.
  53 const char kGuestModeLoggingLevel[] = "1";
  54
  55 // Format of command line switch.
  56 const char kSwitchFormatString[] = " --%s=\"%s\"";
  57
  58 // Derives the new command line from |base_command_line| by doing the following:
  59 // - Forward a given switches list to new command;
  60 // - Set start url if given;
  61 // - Append/override switches using |new_switches|;
  62 std::string DeriveCommandLine(const GURL& start_url,
  63                               const CommandLine& base_command_line,
  64                               const base::DictionaryValue& new_switches,
  65                               CommandLine* command_line) {
  66   DCHECK_NE(&base_command_line, command_line);
  67
  68   static const char* kForwardSwitches[] = {
  69       ::switches::kAllowWebUICompositing,
  70       ::switches::kDisableAccelerated2dCanvas,
  71       ::switches::kDisableAcceleratedOverflowScroll,
  72       ::switches::kDisableAcceleratedPlugins,
  73       ::switches::kDisableAcceleratedVideoDecode,
  74       ::switches::kDisableBrowserPluginCompositing,
  75       ::switches::kDisableDeadlineScheduling,
  76       ::switches::kDisableDelegatedRenderer,
  77       ::switches::kDisableFiltersOverIPC,
  78       ::switches::kDisableForceCompositingMode,
  79       ::switches::kDisableGpuShaderDiskCache,
  80       ::switches::kDisableGpuWatchdog,
  81       ::switches::kDisableGpuCompositing,
  82       ::switches::kDisablePrefixedEncryptedMedia,
  83       ::switches::kDisablePanelFitting,
  84       ::switches::kDisableRepaintAfterLayout,
  85       ::switches::kDisableSeccompFilterSandbox,
  86       ::switches::kDisableSetuidSandbox,
  87       ::switches::kDisableThreadedCompositing,
  88       ::switches::kDisableTouchDragDrop,
  89       ::switches::kDisableTouchEditing,
  90       ::switches::kDisableUniversalAcceleratedOverflowScroll,
  91       ::switches::kDisableUnprefixedMediaSource,
  92       ::switches::kDisableWebKitMediaSource,
  93       ::switches::kDisableAcceleratedFixedRootBackground,
  94       ::switches::kEnableAcceleratedFixedRootBackground,
  95       ::switches::kEnableAcceleratedOverflowScroll,
  96       ::switches::kEnableBeginFrameScheduling,
  97       ::switches::kEnableCompositingForFixedPosition,
  98       ::switches::kEnableDeadlineScheduling,
  99       ::switches::kEnableDelegatedRenderer,
 100       ::switches::kEnableEncryptedMedia,
 101       ::switches::kEnableGestureTapHighlight,
 102       ::switches::kDisableGestureTapHighlight,
 103       ::switches::kDisableGpuSandbox,
 104       ::switches::kEnableDeferredFilters,
 105       ::switches::kEnableLogging,
 106       ::switches::kEnablePinch,
 107       ::switches::kEnableRepaintAfterLayout,
 108       ::switches::kEnableThreadedCompositing,
 109       ::switches::kEnableTouchDragDrop,
 110       ::switches::kEnableTouchEditing,
 111       ::switches::kEnableUniversalAcceleratedOverflowScroll,
 112       ::switches::kEnableViewport,
 113       ::switches::kEnableViewportMeta,
 114       ::switches::kMainFrameResizesAreOrientationChanges,
 115       ::switches::kForceDeviceScaleFactor,
 116       ::switches::kGpuStartupDialog,
 117       ::switches::kGpuSandboxAllowSysVShm,
 118       ::switches::kMultiProfiles,
 119       ::switches::kNoSandbox,
 120       ::switches::kNumRasterThreads,
 121       ::switches::kPpapiFlashArgs,
 122       ::switches::kPpapiFlashPath,
 123       ::switches::kPpapiFlashVersion,
 124       ::switches::kPpapiInProcess,
 125       ::switches::kRendererStartupDialog,
 126       ::switches::kEnableShareGroupAsyncTextureUpload,
 127       ::switches::kTabCaptureUpscaleQuality,
 128       ::switches::kTabCaptureDownscaleQuality,
 129 #if defined(USE_XI2_MT)
 130       ::switches::kTouchCalibration,
 131 #endif
 132       ::switches::kTouchDevices,
 133       ::switches::kTouchEvents,
 134       ::switches::kTouchOptimizedUI,
 135       ::switches::kUIDisableDeadlineScheduling,
 136       ::switches::kUIDisableThreadedCompositing,
 137       ::switches::kUIEnableDeadlineScheduling,
 138       ::switches::kUIMaxFramesPending,
 139       ::switches::kUIPrioritizeInGpuProcess,
 140 #if defined(USE_CRAS)
 141       ::switches::kUseCras,
 142 #endif
 143       ::switches::kUseDiscardableMemory,
 144       ::switches::kUseGL,
 145       ::switches::kUserDataDir,
 146       ::switches::kV,
 147       ::switches::kVModule,
 148       ::switches::kWebGLCommandBufferSizeKb,
 149       ::switches::kEnableWebGLDraftExtensions,
 150 #if defined(ENABLE_WEBRTC)
 151       ::switches::kDisableWebRtcHWDecoding,
 152       ::switches::kDisableWebRtcHWEncoding,
 153       ::switches::kEnableAudioTrackProcessing,
 154       ::switches::kEnableWebRtcHWVp8Encoding,
 155 #endif
 156       ash::switches::kAshDefaultWallpaperLarge,
 157       ash::switches::kAshDefaultWallpaperSmall,
 158 #if defined(OS_CHROMEOS)
 159       ash::switches::kAshDisableAudioDeviceMenu,
 160 #endif
 161       ash::switches::kAshGuestWallpaperLarge,
 162       ash::switches::kAshGuestWallpaperSmall,
 163       ash::switches::kAshHostWindowBounds,
 164       ash::switches::kAshTouchHud,
 165       ash::switches::kAuraLegacyPowerButton,
 166       // Please keep these in alphabetical order. Non-UI Compositor switches
 167       // here should also be added to
 168       // content/browser/renderer_host/render_process_host_impl.cc.
 169       cc::switches::kBackgroundColorInsteadOfCheckerboard,
 170       cc::switches::kCompositeToMailbox,
 171       cc::switches::kDisableCompositedAntialiasing,
 172       cc::switches::kDisableCompositorTouchHitTesting,
 173       cc::switches::kDisableGPURasterization,
 174       cc::switches::kDisableImplSidePainting,
 175       cc::switches::kDisableMapImage,
 176       cc::switches::kDisableThreadedAnimation,
 177       cc::switches::kEnableGpuBenchmarking,
 178       cc::switches::kEnableGPURasterization,
 179       cc::switches::kEnableImplSidePainting,
 180       cc::switches::kEnableMapImage,
 181       cc::switches::kEnablePerTilePainting,
 182       cc::switches::kEnablePinchVirtualViewport,
 183       cc::switches::kEnableTopControlsPositionCalculation,
 184       cc::switches::kMaxTilesForInterestArea,
 185       cc::switches::kMaxUnusedResourceMemoryUsagePercentage,
 186       cc::switches::kShowCompositedLayerBorders,
 187       cc::switches::kShowFPSCounter,
 188       cc::switches::kShowLayerAnimationBounds,
 189       cc::switches::kShowNonOccludingRects,
 190       cc::switches::kShowOccludingRects,
 191       cc::switches::kShowPropertyChangedRects,
 192       cc::switches::kShowReplicaScreenSpaceRects,
 193       cc::switches::kShowScreenSpaceRects,
 194       cc::switches::kShowSurfaceDamageRects,
 195       cc::switches::kSlowDownRasterScaleFactor,
 196       cc::switches::kTraceOverdraw,
 197       cc::switches::kUIDisablePartialSwap,
 198       cc::switches::kUIEnablePerTilePainting,
 199       chromeos::switches::kDbusStub,
 200       chromeos::switches::kDisableLoginAnimations,
 201       chromeos::switches::kDisableOobeAnimation,
 202       chromeos::switches::kGpuSandboxFailuresNonfatal,
 203       chromeos::switches::kHasChromeOSDiamondKey,
 204       chromeos::switches::kHasChromeOSKeyboard,
 205       chromeos::switches::kLoginProfile,
 206       chromeos::switches::kNaturalScrollDefault,
 207       ::switches::kEnableBrowserTextSubpixelPositioning,
 208       ::switches::kEnableWebkitTextSubpixelPositioning,
 209       policy::switches::kDeviceManagementUrl,
 210       views::corewm::switches::kNoDropShadows,
 211       views::corewm::switches::kWindowAnimationsDisabled,
 212   };
 213   command_line->CopySwitchesFrom(base_command_line,
 214                                  kForwardSwitches,
 215                                  arraysize(kForwardSwitches));
 216
 217   if (start_url.is_valid())
 218     command_line->AppendArg(start_url.spec());
 219
 220   for (base::DictionaryValue::Iterator it(new_switches);
 221        !it.IsAtEnd();
 222        it.Advance()) {
 223     std::string value;
 224     CHECK(it.value().GetAsString(&value));
 225     command_line->AppendSwitchASCII(it.key(), value);
 226   }
 227
 228   std::string cmd_line_str = command_line->GetCommandLineString();
 229   // Special workaround for the arguments that should be quoted.
 230   // Copying switches won't be needed when Guest mode won't need restart
 231   // http://crosbug.com/6924
 232   if (base_command_line.HasSwitch(::switches::kRegisterPepperPlugins)) {
 233     cmd_line_str += base::StringPrintf(
 234         kSwitchFormatString,
 235         ::switches::kRegisterPepperPlugins,
 236         base_command_line.GetSwitchValueNative(
 237             ::switches::kRegisterPepperPlugins).c_str());
 238   }
 239
 240   return cmd_line_str;
 241 }
 242
 243 // Simulates a session manager restart by launching give command line
 244 // and exit current process.
 245 void ReLaunch(const std::string& command_line) {
 246   std::vector<std::string> argv;
 247
 248   // This is not a proper way to get |argv| but it's good enough for debugging.
 249   base::SplitString(command_line, ' ', &argv);
 250
 251   base::LaunchProcess(argv, base::LaunchOptions(), NULL);
 252   chrome::AttemptUserExit();
 253 }
 254
 255 // Empty function that run by the local state task runner to ensure last
 256 // commit goes through.
 257 void EnsureLocalStateIsWritten() {}
 258
 259 // Wraps the work of sending chrome restart request to session manager.
 260 // If local state is present, try to commit it first. The request is fired when
 261 // the commit goes through or some time (3 seconds) has elapsed.
 262 class ChromeRestartRequest
 263     : public base::SupportsWeakPtr<ChromeRestartRequest> {
 264  public:
 265   explicit ChromeRestartRequest(const std::string& command_line);
 266   ~ChromeRestartRequest();
 267
 268   // Starts the request.
 269   void Start();
 270
 271  private:
 272   // Fires job restart request to session manager.
 273   void RestartJob();
 274
 275   const int pid_;
 276   const std::string command_line_;
 277   base::OneShotTimer<ChromeRestartRequest> timer_;
 278
 279   DISALLOW_COPY_AND_ASSIGN(ChromeRestartRequest);
 280 };
 281
 282 ChromeRestartRequest::ChromeRestartRequest(const std::string& command_line)
 283     : pid_(getpid()),
 284       command_line_(command_line) {}
 285
 286 ChromeRestartRequest::~ChromeRestartRequest() {}
 287
 288 void ChromeRestartRequest::Start() {
 289   VLOG(1) << "Requesting a restart with PID " << pid_
 290           << " and command line: " << command_line_;
 291
 292   // Session Manager may kill the chrome anytime after this point.
 293   // Write exit_cleanly and other stuff to the disk here.
 294   g_browser_process->EndSession();
 295
 296   PrefService* local_state = g_browser_process->local_state();
 297   if (!local_state) {
 298     RestartJob();
 299     return;
 300   }
 301
 302   // XXX: normally this call must not be needed, however RestartJob
 303   // just kills us so settings may be lost. See http://crosbug.com/13102
 304   local_state->CommitPendingWrite();
 305   timer_.Start(
 306       FROM_HERE, base::TimeDelta::FromSeconds(3), this,
 307       &ChromeRestartRequest::RestartJob);
 308
 309   // Post a task to local state task runner thus it occurs last on the task
 310   // queue, so it would be executed after committing pending write on that
 311   // thread.
 312   scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
 313       JsonPrefStore::GetTaskRunnerForFile(
 314           base::FilePath(chrome::kLocalStorePoolName),
 315           BrowserThread::GetBlockingPool());
 316   local_state_task_runner->PostTaskAndReply(
 317       FROM_HERE,
 318       base::Bind(&EnsureLocalStateIsWritten),
 319       base::Bind(&ChromeRestartRequest::RestartJob, AsWeakPtr()));
 320 }
 321
 322 void ChromeRestartRequest::RestartJob() {
 323   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 324
 325   DBusThreadManager::Get()->GetSessionManagerClient()->RestartJob(
 326       pid_, command_line_);
 327
 328   delete this;
 329 }
 330
 331 }  // namespace
 332
 333 std::string GetOffTheRecordCommandLine(
 334     const GURL& start_url,
 335     const CommandLine& base_command_line,
 336     CommandLine* command_line) {
 337   base::DictionaryValue otr_switches;
 338   otr_switches.SetString(switches::kGuestSession, std::string());
 339   otr_switches.SetString(::switches::kIncognito, std::string());
 340   otr_switches.SetString(::switches::kLoggingLevel, kGuestModeLoggingLevel);
 341   otr_switches.SetString(switches::kLoginUser, UserManager::kGuestUserName);
 342
 343   // Override the home page.
 344   otr_switches.SetString(::switches::kHomePage,
 345                          GURL(chrome::kChromeUINewTabURL).spec());
 346
 347   return DeriveCommandLine(start_url,
 348                            base_command_line,
 349                            otr_switches,
 350                            command_line);
 351 }
 352
 353 void RestartChrome(const std::string& command_line) {
 354   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 355
 356   static bool restart_requested = false;
 357   if (restart_requested) {
 358     NOTREACHED() << "Request chrome restart for more than once.";
 359   }
 360   restart_requested = true;
 361
 362   if (!base::SysInfo::IsRunningOnChromeOS()) {
 363     // Relaunch chrome without session manager on dev box.
 364     ReLaunch(command_line);
 365     return;
 366   }
 367
 368   // ChromeRestartRequest deletes itself after request sent to session manager.
 369   (new ChromeRestartRequest(command_line))->Start();
 370 }
 371
 372 }  // namespace chromeos