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/ozone/ozone_switches.h"
  44 #include "ui/wm/core/wm_core_switches.h"
  45 #include "url/gurl.h"
  46
  47 using content::BrowserThread;
  48
  49 namespace chromeos {
  50
  51 namespace {
  52
  53 // Increase logging level for Guest mode to avoid INFO messages in logs.
  54 const char kGuestModeLoggingLevel[] = "1";
  55
  56 // Format of command line switch.
  57 const char kSwitchFormatString[] = " --%s=\"%s\"";
  58
  59 // Derives the new command line from |base_command_line| by doing the following:
  60 // - Forward a given switches list to new command;
  61 // - Set start url if given;
  62 // - Append/override switches using |new_switches|;
  63 std::string DeriveCommandLine(const GURL& start_url,
  64                               const CommandLine& base_command_line,
  65                               const base::DictionaryValue& new_switches,
  66                               CommandLine* command_line) {
  67   DCHECK_NE(&base_command_line, command_line);
  68
  69   static const char* kForwardSwitches[] = {
  70     ::switches::kDisableAccelerated2dCanvas,
  71     ::switches::kDisableAcceleratedOverflowScroll,
  72     ::switches::kDisableAcceleratedVideoDecode,
  73     ::switches::kDisableBrowserPluginCompositing,
  74     ::switches::kDisableDelegatedRenderer,
  75     ::switches::kDisableFastTextAutosizing,
  76     ::switches::kDisableFiltersOverIPC,
  77     ::switches::kDisableForceCompositingMode,
  78     ::switches::kDisableGpuShaderDiskCache,
  79     ::switches::kDisableGpuWatchdog,
  80     ::switches::kDisableGpuCompositing,
  81     ::switches::kDisableGpuRasterization,
  82     ::switches::kDisableImplSidePainting,
  83     ::switches::kDisableLowResTiling,
  84     ::switches::kDisableMapImage,
  85     ::switches::kDisablePrefixedEncryptedMedia,
  86     ::switches::kDisablePanelFitting,
  87     ::switches::kDisableRepaintAfterLayout,
  88     ::switches::kDisableSeccompFilterSandbox,
  89     ::switches::kDisableSetuidSandbox,
  90     ::switches::kDisableThreadedCompositing,
  91     ::switches::kDisableTouchDragDrop,
  92     ::switches::kDisableTouchEditing,
  93     ::switches::kDisableUniversalAcceleratedOverflowScroll,
  94     ::switches::kDisableUnprefixedMediaSource,
  95     ::switches::kDisableWebKitMediaSource,
  96     ::switches::kDisableAcceleratedFixedRootBackground,
  97     ::switches::kEnableAcceleratedFixedRootBackground,
  98     ::switches::kEnableAcceleratedOverflowScroll,
  99     ::switches::kEnableBeginFrameScheduling,
 100     ::switches::kEnableCompositingForFixedPosition,
 101     ::switches::kEnableDelegatedRenderer,
 102     ::switches::kEnableEncryptedMedia,
 103     ::switches::kEnableFastTextAutosizing,
 104     ::switches::kEnableGestureTapHighlight,
 105     ::switches::kDisableGestureTapHighlight,
 106     ::switches::kDisableGpuSandbox,
 107     ::switches::kEnableDeferredFilters,
 108     ::switches::kEnableGpuRasterization,
 109     ::switches::kEnableImplSidePainting,
 110     ::switches::kEnableLogging,
 111     ::switches::kEnableLowResTiling,
 112     ::switches::kEnableMapImage,
 113     ::switches::kEnablePinch,
 114     ::switches::kEnableRepaintAfterLayout,
 115     ::switches::kEnableThreadedCompositing,
 116     ::switches::kEnableTouchDragDrop,
 117     ::switches::kEnableTouchEditing,
 118     ::switches::kEnableUniversalAcceleratedOverflowScroll,
 119     ::switches::kEnableViewport,
 120     ::switches::kEnableViewportMeta,
 121     ::switches::kMainFrameResizesAreOrientationChanges,
 122     ::switches::kForceDeviceScaleFactor,
 123     ::switches::kForceGpuRasterization,
 124     ::switches::kGpuStartupDialog,
 125     ::switches::kGpuSandboxAllowSysVShm,
 126     ::switches::kGpuSandboxFailuresFatal,
 127     ::switches::kGpuSandboxStartAfterInitialization,
 128     ::switches::kMultiProfiles,
 129     ::switches::kNoSandbox,
 130     ::switches::kNumRasterThreads,
 131     ::switches::kPpapiFlashArgs,
 132     ::switches::kPpapiFlashPath,
 133     ::switches::kPpapiFlashVersion,
 134     ::switches::kPpapiInProcess,
 135     ::switches::kRendererStartupDialog,
 136     ::switches::kEnableShareGroupAsyncTextureUpload,
 137     ::switches::kTabCaptureUpscaleQuality,
 138     ::switches::kTabCaptureDownscaleQuality,
 139 #if defined(USE_XI2_MT)
 140     ::switches::kTouchCalibration,
 141 #endif
 142     ::switches::kTouchDevices,
 143     ::switches::kTouchEvents,
 144     ::switches::kTouchOptimizedUI,
 145     ::switches::kUIDisableThreadedCompositing,
 146     ::switches::kUIPrioritizeInGpuProcess,
 147 #if defined(USE_CRAS)
 148     ::switches::kUseCras,
 149 #endif
 150     ::switches::kUseDiscardableMemory,
 151     ::switches::kUseGL,
 152     ::switches::kUserDataDir,
 153     ::switches::kV,
 154     ::switches::kVModule,
 155     ::switches::kWebGLCommandBufferSizeKb,
 156     ::switches::kEnableWebGLDraftExtensions,
 157 #if defined(ENABLE_WEBRTC)
 158     ::switches::kDisableWebRtcHWDecoding,
 159     ::switches::kDisableWebRtcHWEncoding,
 160     ::switches::kEnableAudioTrackProcessing,
 161     ::switches::kEnableWebRtcHWVp8Encoding,
 162 #endif
 163 #if defined(USE_OZONE)
 164     ::switches::kOzonePlatform,
 165 #endif
 166     ash::switches::kAshDefaultWallpaperLarge,
 167     ash::switches::kAshDefaultWallpaperSmall,
 168     ash::switches::kAshGuestWallpaperLarge,
 169     ash::switches::kAshGuestWallpaperSmall,
 170     ash::switches::kAshHostWindowBounds,
 171     ash::switches::kAshTouchHud,
 172     ash::switches::kAuraLegacyPowerButton,
 173     // Please keep these in alphabetical order. Non-UI Compositor switches
 174     // here should also be added to
 175     // content/browser/renderer_host/render_process_host_impl.cc.
 176     cc::switches::kCompositeToMailbox,
 177     cc::switches::kDisableCompositedAntialiasing,
 178     cc::switches::kDisableCompositorTouchHitTesting,
 179     cc::switches::kDisableMainFrameBeforeActivation,
 180     cc::switches::kDisableMainFrameBeforeDraw,
 181     cc::switches::kDisableThreadedAnimation,
 182     cc::switches::kEnableGpuBenchmarking,
 183     cc::switches::kEnablePinchVirtualViewport,
 184     cc::switches::kEnableMainFrameBeforeActivation,
 185     cc::switches::kEnableTopControlsPositionCalculation,
 186     cc::switches::kMaxTilesForInterestArea,
 187     cc::switches::kMaxUnusedResourceMemoryUsagePercentage,
 188     cc::switches::kShowCompositedLayerBorders,
 189     cc::switches::kShowFPSCounter,
 190     cc::switches::kShowLayerAnimationBounds,
 191     cc::switches::kShowNonOccludingRects,
 192     cc::switches::kShowOccludingRects,
 193     cc::switches::kShowPropertyChangedRects,
 194     cc::switches::kShowReplicaScreenSpaceRects,
 195     cc::switches::kShowScreenSpaceRects,
 196     cc::switches::kShowSurfaceDamageRects,
 197     cc::switches::kSlowDownRasterScaleFactor,
 198     cc::switches::kUIDisablePartialSwap,
 199     chromeos::switches::kDbusStub,
 200     chromeos::switches::kDisableLoginAnimations,
 201     chromeos::switches::kHasChromeOSDiamondKey,
 202     chromeos::switches::kHasChromeOSKeyboard,
 203     chromeos::switches::kLoginProfile,
 204     chromeos::switches::kNaturalScrollDefault,
 205     ::switches::kEnableBrowserTextSubpixelPositioning,
 206     ::switches::kEnableWebkitTextSubpixelPositioning,
 207     policy::switches::kDeviceManagementUrl,
 208     wm::switches::kWindowAnimationsDisabled,
 209   };
 210   command_line->CopySwitchesFrom(base_command_line,
 211                                  kForwardSwitches,
 212                                  arraysize(kForwardSwitches));
 213
 214   if (start_url.is_valid())
 215     command_line->AppendArg(start_url.spec());
 216
 217   for (base::DictionaryValue::Iterator it(new_switches);
 218        !it.IsAtEnd();
 219        it.Advance()) {
 220     std::string value;
 221     CHECK(it.value().GetAsString(&value));
 222     command_line->AppendSwitchASCII(it.key(), value);
 223   }
 224
 225   std::string cmd_line_str = command_line->GetCommandLineString();
 226   // Special workaround for the arguments that should be quoted.
 227   // Copying switches won't be needed when Guest mode won't need restart
 228   // http://crosbug.com/6924
 229   if (base_command_line.HasSwitch(::switches::kRegisterPepperPlugins)) {
 230     cmd_line_str += base::StringPrintf(
 231         kSwitchFormatString,
 232         ::switches::kRegisterPepperPlugins,
 233         base_command_line.GetSwitchValueNative(
 234             ::switches::kRegisterPepperPlugins).c_str());
 235   }
 236
 237   return cmd_line_str;
 238 }
 239
 240 // Simulates a session manager restart by launching give command line
 241 // and exit current process.
 242 void ReLaunch(const std::string& command_line) {
 243   std::vector<std::string> argv;
 244
 245   // This is not a proper way to get |argv| but it's good enough for debugging.
 246   base::SplitString(command_line, ' ', &argv);
 247
 248   base::LaunchProcess(argv, base::LaunchOptions(), NULL);
 249   chrome::AttemptUserExit();
 250 }
 251
 252 // Empty function that run by the local state task runner to ensure last
 253 // commit goes through.
 254 void EnsureLocalStateIsWritten() {}
 255
 256 // Wraps the work of sending chrome restart request to session manager.
 257 // If local state is present, try to commit it first. The request is fired when
 258 // the commit goes through or some time (3 seconds) has elapsed.
 259 class ChromeRestartRequest
 260     : public base::SupportsWeakPtr<ChromeRestartRequest> {
 261  public:
 262   explicit ChromeRestartRequest(const std::string& command_line);
 263   ~ChromeRestartRequest();
 264
 265   // Starts the request.
 266   void Start();
 267
 268  private:
 269   // Fires job restart request to session manager.
 270   void RestartJob();
 271
 272   const int pid_;
 273   const std::string command_line_;
 274   base::OneShotTimer<ChromeRestartRequest> timer_;
 275
 276   DISALLOW_COPY_AND_ASSIGN(ChromeRestartRequest);
 277 };
 278
 279 ChromeRestartRequest::ChromeRestartRequest(const std::string& command_line)
 280     : pid_(getpid()),
 281       command_line_(command_line) {}
 282
 283 ChromeRestartRequest::~ChromeRestartRequest() {}
 284
 285 void ChromeRestartRequest::Start() {
 286   VLOG(1) << "Requesting a restart with PID " << pid_
 287           << " and command line: " << command_line_;
 288
 289   // Session Manager may kill the chrome anytime after this point.
 290   // Write exit_cleanly and other stuff to the disk here.
 291   g_browser_process->EndSession();
 292
 293   PrefService* local_state = g_browser_process->local_state();
 294   if (!local_state) {
 295     RestartJob();
 296     return;
 297   }
 298
 299   // XXX: normally this call must not be needed, however RestartJob
 300   // just kills us so settings may be lost. See http://crosbug.com/13102
 301   local_state->CommitPendingWrite();
 302   timer_.Start(
 303       FROM_HERE, base::TimeDelta::FromSeconds(3), this,
 304       &ChromeRestartRequest::RestartJob);
 305
 306   // Post a task to local state task runner thus it occurs last on the task
 307   // queue, so it would be executed after committing pending write on that
 308   // thread.
 309   scoped_refptr<base::SequencedTaskRunner> local_state_task_runner =
 310       JsonPrefStore::GetTaskRunnerForFile(
 311           base::FilePath(chrome::kLocalStorePoolName),
 312           BrowserThread::GetBlockingPool());
 313   local_state_task_runner->PostTaskAndReply(
 314       FROM_HERE,
 315       base::Bind(&EnsureLocalStateIsWritten),
 316       base::Bind(&ChromeRestartRequest::RestartJob, AsWeakPtr()));
 317 }
 318
 319 void ChromeRestartRequest::RestartJob() {
 320   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 321
 322   DBusThreadManager::Get()->GetSessionManagerClient()->RestartJob(
 323       pid_, command_line_);
 324
 325   delete this;
 326 }
 327
 328 }  // namespace
 329
 330 std::string GetOffTheRecordCommandLine(
 331     const GURL& start_url,
 332     bool is_oobe_completed,
 333     const CommandLine& base_command_line,
 334     CommandLine* command_line) {
 335   base::DictionaryValue otr_switches;
 336   otr_switches.SetString(switches::kGuestSession, std::string());
 337   otr_switches.SetString(::switches::kIncognito, std::string());
 338   otr_switches.SetString(::switches::kLoggingLevel, kGuestModeLoggingLevel);
 339   otr_switches.SetString(switches::kLoginUser, UserManager::kGuestUserName);
 340
 341   // Override the home page.
 342   otr_switches.SetString(::switches::kHomePage,
 343                          GURL(chrome::kChromeUINewTabURL).spec());
 344
 345   // If OOBE is not finished yet, lock down the guest session to not allow
 346   // surfing the web. Guest mode is still useful to inspect logs and run network
 347   // diagnostics.
 348   if (!is_oobe_completed)
 349     otr_switches.SetString(switches::kOobeGuestSession, std::string());
 350
 351   return DeriveCommandLine(start_url,
 352                            base_command_line,
 353                            otr_switches,
 354                            command_line);
 355 }
 356
 357 void RestartChrome(const std::string& command_line) {
 358   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 359
 360   static bool restart_requested = false;
 361   if (restart_requested) {
 362     NOTREACHED() << "Request chrome restart for more than once.";
 363   }
 364   restart_requested = true;
 365
 366   if (!base::SysInfo::IsRunningOnChromeOS()) {
 367     // Relaunch chrome without session manager on dev box.
 368     ReLaunch(command_line);
 369     return;
 370   }
 371
 372   // ChromeRestartRequest deletes itself after request sent to session manager.
 373   (new ChromeRestartRequest(command_line))->Start();
 374 }
 375
 376 }  // namespace chromeos