chromecast/browser/cast_content_browser_client.cc

   1 // Copyright 2014 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 "chromecast/browser/cast_content_browser_client.h"
   6
   7 #include <string>
   8
   9 #include "base/base_switches.h"
  10 #include "base/command_line.h"
  11 #include "base/files/scoped_file.h"
  12 #include "base/i18n/icu_util.h"
  13 #include "base/i18n/rtl.h"
  14 #include "base/path_service.h"
  15 #include "chromecast/base/cast_paths.h"
  16 #include "chromecast/base/chromecast_switches.h"
  17 #include "chromecast/browser/cast_browser_context.h"
  18 #include "chromecast/browser/cast_browser_main_parts.h"
  19 #include "chromecast/browser/cast_browser_process.h"
  20 #include "chromecast/browser/cast_network_delegate.h"
  21 #include "chromecast/browser/cast_quota_permission_context.h"
  22 #include "chromecast/browser/cast_resource_dispatcher_host_delegate.h"
  23 #include "chromecast/browser/geolocation/cast_access_token_store.h"
  24 #include "chromecast/browser/media/cma_message_filter_host.h"
  25 #include "chromecast/browser/url_request_context_factory.h"
  26 #include "chromecast/common/global_descriptors.h"
  27 #include "components/crash/app/breakpad_linux.h"
  28 #include "components/crash/browser/crash_handler_host_linux.h"
  29 #include "components/network_hints/browser/network_hints_message_filter.h"
  30 #include "content/public/browser/browser_thread.h"
  31 #include "content/public/browser/certificate_request_result_type.h"
  32 #include "content/public/browser/client_certificate_delegate.h"
  33 #include "content/public/browser/render_process_host.h"
  34 #include "content/public/browser/resource_dispatcher_host.h"
  35 #include "content/public/browser/web_contents.h"
  36 #include "content/public/common/content_descriptors.h"
  37 #include "content/public/common/content_switches.h"
  38 #include "content/public/common/url_constants.h"
  39 #include "content/public/common/web_preferences.h"
  40 #include "gin/v8_initializer.h"
  41 #include "media/audio/audio_manager_factory.h"
  42 #include "net/ssl/ssl_cert_request_info.h"
  43 #include "net/url_request/url_request_context_getter.h"
  44 #include "ui/gl/gl_switches.h"
  45
  46 #if defined(OS_ANDROID)
  47 #include "components/crash/browser/crash_dump_manager_android.h"
  48 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
  49 #endif  // defined(OS_ANDROID)
  50
  51 namespace chromecast {
  52 namespace shell {
  53
  54 CastContentBrowserClient::CastContentBrowserClient()
  55     : v8_natives_fd_(-1),
  56       v8_snapshot_fd_(-1),
  57       url_request_context_factory_(new URLRequestContextFactory()) {
  58 }
  59
  60 CastContentBrowserClient::~CastContentBrowserClient() {
  61   content::BrowserThread::DeleteSoon(
  62       content::BrowserThread::IO,
  63       FROM_HERE,
  64       url_request_context_factory_.release());
  65 }
  66
  67 content::BrowserMainParts* CastContentBrowserClient::CreateBrowserMainParts(
  68     const content::MainFunctionParams& parameters) {
  69   return new CastBrowserMainParts(parameters,
  70                                   url_request_context_factory_.get(),
  71                                   PlatformCreateAudioManagerFactory());
  72 }
  73
  74 void CastContentBrowserClient::RenderProcessWillLaunch(
  75     content::RenderProcessHost* host) {
  76 #if !defined(OS_ANDROID)
  77   scoped_refptr<media::CmaMessageFilterHost> cma_message_filter(
  78       new media::CmaMessageFilterHost(host->GetID()));
  79   host->AddFilter(cma_message_filter.get());
  80 #endif  // !defined(OS_ANDROID)
  81
  82   // Forcibly trigger I/O-thread URLRequestContext initialization before
  83   // getting HostResolver.
  84   content::BrowserThread::PostTaskAndReplyWithResult(
  85       content::BrowserThread::IO, FROM_HERE,
  86       base::Bind(&net::URLRequestContextGetter::GetURLRequestContext,
  87                  base::Unretained(
  88                     url_request_context_factory_->GetSystemGetter())),
  89       base::Bind(&CastContentBrowserClient::AddNetworkHintsMessageFilter,
  90                  base::Unretained(this), host->GetID()));
  91
  92   auto extra_filters = PlatformGetBrowserMessageFilters();
  93   for (auto const& filter : extra_filters) {
  94     host->AddFilter(filter.get());
  95   }
  96 }
  97
  98 void CastContentBrowserClient::AddNetworkHintsMessageFilter(
  99     int render_process_id, net::URLRequestContext* context) {
 100   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 101
 102   content::RenderProcessHost* host =
 103       content::RenderProcessHost::FromID(render_process_id);
 104   if (!host)
 105     return;
 106
 107   scoped_refptr<content::BrowserMessageFilter> network_hints_message_filter(
 108       new network_hints::NetworkHintsMessageFilter(
 109           url_request_context_factory_->host_resolver()));
 110   host->AddFilter(network_hints_message_filter.get());
 111 }
 112
 113 net::URLRequestContextGetter* CastContentBrowserClient::CreateRequestContext(
 114     content::BrowserContext* browser_context,
 115     content::ProtocolHandlerMap* protocol_handlers,
 116     content::URLRequestInterceptorScopedVector request_interceptors) {
 117   return url_request_context_factory_->CreateMainGetter(
 118       browser_context,
 119       protocol_handlers,
 120       request_interceptors.Pass());
 121 }
 122
 123 bool CastContentBrowserClient::IsHandledURL(const GURL& url) {
 124   if (!url.is_valid())
 125     return false;
 126
 127   static const char* const kProtocolList[] = {
 128       url::kBlobScheme,
 129       url::kFileSystemScheme,
 130       content::kChromeUIScheme,
 131       content::kChromeDevToolsScheme,
 132       url::kDataScheme,
 133   };
 134
 135   const std::string& scheme = url.scheme();
 136   for (size_t i = 0; i < arraysize(kProtocolList); ++i) {
 137     if (scheme == kProtocolList[i])
 138       return true;
 139   }
 140
 141   if (scheme == url::kFileScheme) {
 142     return base::CommandLine::ForCurrentProcess()->HasSwitch(
 143         switches::kEnableLocalFileAccesses);
 144   }
 145
 146   return false;
 147 }
 148
 149 void CastContentBrowserClient::AppendExtraCommandLineSwitches(
 150     base::CommandLine* command_line,
 151     int child_process_id) {
 152
 153   std::string process_type =
 154       command_line->GetSwitchValueNative(switches::kProcessType);
 155   base::CommandLine* browser_command_line =
 156       base::CommandLine::ForCurrentProcess();
 157
 158 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
 159   if (process_type != switches::kZygoteProcess) {
 160     command_line->AppendSwitch(::switches::kV8NativesPassedByFD);
 161     command_line->AppendSwitch(::switches::kV8SnapshotPassedByFD);
 162   }
 163 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 164
 165   // IsCrashReporterEnabled() is set when InitCrashReporter() is called, and
 166   // controlled by GetBreakpadClient()->EnableBreakpadForProcess(), therefore
 167   // it's ok to add switch to every process here.
 168   if (breakpad::IsCrashReporterEnabled()) {
 169     command_line->AppendSwitch(switches::kEnableCrashReporter);
 170   }
 171
 172   // Renderer process command-line
 173   if (process_type == switches::kRendererProcess) {
 174     // Any browser command-line switches that should be propagated to
 175     // the renderer go here.
 176
 177     if (browser_command_line->HasSwitch(switches::kEnableCmaMediaPipeline))
 178       command_line->AppendSwitch(switches::kEnableCmaMediaPipeline);
 179   }
 180
 181 #if defined(OS_LINUX)
 182   // Necessary for accelerated 2d canvas.  By default on Linux, Chromium assumes
 183   // GLES2 contexts can be lost to a power-save mode, which breaks GPU canvas
 184   // apps.
 185   if (process_type == switches::kGpuProcess) {
 186     command_line->AppendSwitch(switches::kGpuNoContextLost);
 187   }
 188 #endif
 189
 190   PlatformAppendExtraCommandLineSwitches(command_line);
 191 }
 192
 193 content::AccessTokenStore* CastContentBrowserClient::CreateAccessTokenStore() {
 194   return new CastAccessTokenStore(
 195       CastBrowserProcess::GetInstance()->browser_context());
 196 }
 197
 198 void CastContentBrowserClient::OverrideWebkitPrefs(
 199     content::RenderViewHost* render_view_host,
 200     content::WebPreferences* prefs) {
 201   prefs->allow_scripts_to_close_windows = true;
 202   // TODO(lcwu): http://crbug.com/391089. This pref is set to true by default
 203   // because some content providers such as YouTube use plain http requests
 204   // to retrieve media data chunks while running in a https page. This pref
 205   // should be disabled once all the content providers are no longer doing that.
 206   prefs->allow_running_insecure_content = true;
 207 }
 208
 209 void CastContentBrowserClient::ResourceDispatcherHostCreated() {
 210   CastBrowserProcess::GetInstance()->SetResourceDispatcherHostDelegate(
 211       make_scoped_ptr(new CastResourceDispatcherHostDelegate));
 212   content::ResourceDispatcherHost::Get()->SetDelegate(
 213       CastBrowserProcess::GetInstance()->resource_dispatcher_host_delegate());
 214 }
 215
 216 std::string CastContentBrowserClient::GetApplicationLocale() {
 217   const std::string locale(base::i18n::GetConfiguredLocale());
 218   return locale.empty() ? "en-US" : locale;
 219 }
 220
 221 content::QuotaPermissionContext*
 222 CastContentBrowserClient::CreateQuotaPermissionContext() {
 223   return new CastQuotaPermissionContext();
 224 }
 225
 226 void CastContentBrowserClient::AllowCertificateError(
 227     int render_process_id,
 228     int render_view_id,
 229     int cert_error,
 230     const net::SSLInfo& ssl_info,
 231     const GURL& request_url,
 232     content::ResourceType resource_type,
 233     bool overridable,
 234     bool strict_enforcement,
 235     bool expired_previous_decision,
 236     const base::Callback<void(bool)>& callback,
 237     content::CertificateRequestResultType* result) {
 238   // Allow developers to override certificate errors.
 239   // Otherwise, any fatal certificate errors will cause an abort.
 240   *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
 241   return;
 242 }
 243
 244 void CastContentBrowserClient::SelectClientCertificate(
 245     content::WebContents* web_contents,
 246     net::SSLCertRequestInfo* cert_request_info,
 247     scoped_ptr<content::ClientCertificateDelegate> delegate) {
 248   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
 249
 250   if (!requesting_url.is_valid()) {
 251     LOG(ERROR) << "Invalid URL string: "
 252                << requesting_url.possibly_invalid_spec();
 253     delegate->ContinueWithCertificate(nullptr);
 254     return;
 255   }
 256
 257   // In our case there are no relevant certs in the cert_request_info. The cert
 258   // we need to return (if permitted) is the Cast device cert, which we can
 259   // access directly through the ClientAuthSigner instance. However, we need to
 260   // be on the IO thread to determine whether the app is whitelisted to return
 261   // it, because CastNetworkDelegate is bound to the IO thread.
 262   // Subsequently, the callback must then itself be performed back here
 263   // on the UI thread.
 264   //
 265   // TODO(davidben): Stop using child ID to identify an app.
 266   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 267   content::BrowserThread::PostTaskAndReplyWithResult(
 268       content::BrowserThread::IO, FROM_HERE,
 269       base::Bind(&CastContentBrowserClient::SelectClientCertificateOnIOThread,
 270                  base::Unretained(this), requesting_url,
 271                  web_contents->GetRenderProcessHost()->GetID()),
 272       base::Bind(&content::ClientCertificateDelegate::ContinueWithCertificate,
 273                  base::Owned(delegate.release())));
 274 }
 275
 276 net::X509Certificate*
 277 CastContentBrowserClient::SelectClientCertificateOnIOThread(
 278     GURL requesting_url,
 279     int render_process_id) {
 280   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 281   CastNetworkDelegate* network_delegate =
 282       url_request_context_factory_->app_network_delegate();
 283   if (network_delegate->IsWhitelisted(requesting_url,
 284                                       render_process_id, false)) {
 285     return CastNetworkDelegate::DeviceCert();
 286   } else {
 287     LOG(ERROR) << "Invalid host for client certificate request: "
 288                << requesting_url.host()
 289                << " with render_process_id: "
 290                << render_process_id;
 291     return NULL;
 292   }
 293 }
 294
 295 bool CastContentBrowserClient::CanCreateWindow(
 296     const GURL& opener_url,
 297     const GURL& opener_top_level_frame_url,
 298     const GURL& source_origin,
 299     WindowContainerType container_type,
 300     const GURL& target_url,
 301     const content::Referrer& referrer,
 302     WindowOpenDisposition disposition,
 303     const blink::WebWindowFeatures& features,
 304     bool user_gesture,
 305     bool opener_suppressed,
 306     content::ResourceContext* context,
 307     int render_process_id,
 308     int opener_id,
 309     bool* no_javascript_access) {
 310   *no_javascript_access = true;
 311   return false;
 312 }
 313
 314 void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
 315     const base::CommandLine& command_line,
 316     int child_process_id,
 317     content::FileDescriptorInfo* mappings) {
 318 #if defined(V8_USE_EXTERNAL_STARTUP_DATA)
 319   if (v8_natives_fd_.get() == -1 || v8_snapshot_fd_.get() == -1) {
 320     int v8_natives_fd = -1;
 321     int v8_snapshot_fd = -1;
 322     if (gin::V8Initializer::OpenV8FilesForChildProcesses(&v8_natives_fd,
 323                                                          &v8_snapshot_fd)) {
 324       v8_natives_fd_.reset(v8_natives_fd);
 325       v8_snapshot_fd_.reset(v8_snapshot_fd);
 326     }
 327   }
 328   DCHECK(v8_natives_fd_.get() != -1 && v8_snapshot_fd_.get() != -1);
 329   mappings->Share(kV8NativesDataDescriptor, v8_natives_fd_.get());
 330   mappings->Share(kV8SnapshotDataDescriptor, v8_snapshot_fd_.get());
 331 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
 332 #if defined(OS_ANDROID)
 333   const int flags_open_read = base::File::FLAG_OPEN | base::File::FLAG_READ;
 334   base::FilePath pak_file_path;
 335   CHECK(PathService::Get(FILE_CAST_PAK, &pak_file_path));
 336   base::File pak_file(pak_file_path, flags_open_read);
 337   if (!pak_file.IsValid()) {
 338     NOTREACHED() << "Failed to open file when creating renderer process: "
 339                  << "cast_shell.pak";
 340   }
 341   mappings->Transfer(kAndroidPakDescriptor,
 342                      base::ScopedFD(pak_file.TakePlatformFile()));
 343
 344   if (breakpad::IsCrashReporterEnabled()) {
 345     base::File minidump_file(
 346         breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
 347             child_process_id));
 348     if (!minidump_file.IsValid()) {
 349       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
 350                  << "be disabled for this process.";
 351     } else {
 352       mappings->Transfer(kAndroidMinidumpDescriptor,
 353                          base::ScopedFD(minidump_file.TakePlatformFile()));
 354     }
 355   }
 356
 357   base::FilePath app_data_path;
 358   CHECK(PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path));
 359   base::FilePath icudata_path =
 360       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
 361   base::File icudata_file(icudata_path, flags_open_read);
 362   if (!icudata_file.IsValid())
 363     NOTREACHED() << "Failed to open ICU file when creating renderer process";
 364   mappings->Transfer(kAndroidICUDataDescriptor,
 365                      base::ScopedFD(icudata_file.TakePlatformFile()));
 366 #else
 367   int crash_signal_fd = GetCrashSignalFD(command_line);
 368   if (crash_signal_fd >= 0) {
 369     mappings->Share(kCrashDumpSignal, crash_signal_fd);
 370   }
 371 #endif  // defined(OS_ANDROID)
 372 }
 373
 374 #if defined(OS_ANDROID) && defined(VIDEO_HOLE)
 375 content::ExternalVideoSurfaceContainer*
 376 CastContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
 377     content::WebContents* web_contents) {
 378   return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
 379       web_contents);
 380 }
 381 #endif  // defined(OS_ANDROID) && defined(VIDEO_HOLE)
 382
 383 #if !defined(OS_ANDROID)
 384 int CastContentBrowserClient::GetCrashSignalFD(
 385     const base::CommandLine& command_line) {
 386   std::string process_type =
 387       command_line.GetSwitchValueASCII(switches::kProcessType);
 388
 389   if (process_type == switches::kRendererProcess ||
 390       process_type == switches::kGpuProcess) {
 391     breakpad::CrashHandlerHostLinux* crash_handler =
 392         crash_handlers_[process_type];
 393     if (!crash_handler) {
 394       crash_handler = CreateCrashHandlerHost(process_type);
 395       crash_handlers_[process_type] = crash_handler;
 396     }
 397     return crash_handler->GetDeathSignalSocket();
 398   }
 399
 400   return -1;
 401 }
 402
 403 breakpad::CrashHandlerHostLinux*
 404 CastContentBrowserClient::CreateCrashHandlerHost(
 405     const std::string& process_type) {
 406   // Let cast shell dump to /tmp. Internal minidump generator code can move it
 407   // to /data/minidumps later, since /data/minidumps is file lock-controlled.
 408   base::FilePath dumps_path;
 409   PathService::Get(base::DIR_TEMP, &dumps_path);
 410
 411   // Alway set "upload" to false to use our own uploader.
 412   breakpad::CrashHandlerHostLinux* crash_handler =
 413     new breakpad::CrashHandlerHostLinux(
 414         process_type, dumps_path, false /* upload */);
 415   // StartUploaderThread() even though upload is diferred.
 416   // Breakpad-related memory is freed in the uploader thread.
 417   crash_handler->StartUploaderThread();
 418   return crash_handler;
 419 }
 420 #endif  // !defined(OS_ANDROID)
 421
 422 }  // namespace shell
 423 }  // namespace chromecast