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/rtl.h"
  13 #include "base/path_service.h"
  14 #include "base/strings/utf_string_conversions.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_media_pipeline_client.h"
  25 #include "chromecast/browser/media/cma_message_filter_host.h"
  26 #include "chromecast/browser/service/cast_service_simple.h"
  27 #include "chromecast/browser/url_request_context_factory.h"
  28 #include "chromecast/common/global_descriptors.h"
  29 #include "chromecast/media/base/media_message_loop.h"
  30 #include "chromecast/public/cast_media_shlib.h"
  31 #include "chromecast/public/media/media_pipeline_backend.h"
  32 #include "components/crash/content/app/breakpad_linux.h"
  33 #include "components/crash/content/browser/crash_handler_host_linux.h"
  34 #include "components/network_hints/browser/network_hints_message_filter.h"
  35 #include "content/public/browser/browser_thread.h"
  36 #include "content/public/browser/certificate_request_result_type.h"
  37 #include "content/public/browser/client_certificate_delegate.h"
  38 #include "content/public/browser/render_process_host.h"
  39 #include "content/public/browser/resource_dispatcher_host.h"
  40 #include "content/public/browser/web_contents.h"
  41 #include "content/public/common/content_descriptors.h"
  42 #include "content/public/common/content_switches.h"
  43 #include "content/public/common/url_constants.h"
  44 #include "content/public/common/web_preferences.h"
  45 #include "media/audio/audio_manager_factory.h"
  46 #include "net/ssl/ssl_cert_request_info.h"
  47 #include "net/url_request/url_request_context_getter.h"
  48 #include "ui/gl/gl_switches.h"
  49
  50 #if defined(OS_ANDROID)
  51 #include "components/crash/content/browser/crash_dump_manager_android.h"
  52 #include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
  53 #else
  54 #include "chromecast/browser/media/cast_browser_cdm_factory.h"
  55 #endif  // defined(OS_ANDROID)
  56
  57 namespace chromecast {
  58 namespace shell {
  59
  60 CastContentBrowserClient::CastContentBrowserClient()
  61     : url_request_context_factory_(new URLRequestContextFactory()) {
  62 }
  63
  64 CastContentBrowserClient::~CastContentBrowserClient() {
  65   content::BrowserThread::DeleteSoon(
  66       content::BrowserThread::IO,
  67       FROM_HERE,
  68       url_request_context_factory_.release());
  69 }
  70
  71 void CastContentBrowserClient::AppendExtraCommandLineSwitches(
  72     base::CommandLine* command_line) {
  73 }
  74
  75 scoped_ptr<CastService> CastContentBrowserClient::CreateCastService(
  76     content::BrowserContext* browser_context,
  77     PrefService* pref_service,
  78     net::URLRequestContextGetter* request_context_getter) {
  79   return make_scoped_ptr(new CastServiceSimple(browser_context, pref_service));
  80 }
  81
  82 scoped_ptr<::media::AudioManagerFactory>
  83 CastContentBrowserClient::CreateAudioManagerFactory() {
  84   // Return nullptr. The factory will not be set, and the statically linked
  85   // implementation of AudioManager will be used.
  86   return scoped_ptr<::media::AudioManagerFactory>();
  87 }
  88
  89 #if !defined(OS_ANDROID)
  90 scoped_refptr<media::CmaMediaPipelineClient>
  91 CastContentBrowserClient::CreateCmaMediaPipelineClient() {
  92   return make_scoped_refptr(new media::CmaMediaPipelineClient());
  93 }
  94
  95 scoped_ptr<::media::BrowserCdmFactory>
  96 CastContentBrowserClient::CreateBrowserCdmFactory() {
  97   return make_scoped_ptr(new media::CastBrowserCdmFactory());
  98 }
  99 #endif
 100
 101 void CastContentBrowserClient::ProcessExiting() {
 102   // Finalize CastMediaShlib on media thread to ensure it's not accessed
 103   // after Finalize.
 104   media::MediaMessageLoop::GetTaskRunner()->PostTask(
 105       FROM_HERE, base::Bind(&media::CastMediaShlib::Finalize));
 106 }
 107
 108 void CastContentBrowserClient::SetMetricsClientId(
 109     const std::string& client_id) {
 110 }
 111
 112 void CastContentBrowserClient::RegisterMetricsProviders(
 113     ::metrics::MetricsService* metrics_service) {
 114 }
 115
 116 bool CastContentBrowserClient::EnableRemoteDebuggingImmediately() {
 117   return true;
 118 }
 119
 120 content::BrowserMainParts* CastContentBrowserClient::CreateBrowserMainParts(
 121     const content::MainFunctionParams& parameters) {
 122   content::BrowserMainParts* parts = new CastBrowserMainParts(
 123       parameters, url_request_context_factory_.get(),
 124       CreateAudioManagerFactory());
 125   CastBrowserProcess::GetInstance()->SetCastContentBrowserClient(this);
 126   return parts;
 127 }
 128
 129 void CastContentBrowserClient::RenderProcessWillLaunch(
 130     content::RenderProcessHost* host) {
 131 #if !defined(OS_ANDROID)
 132   scoped_refptr<media::CmaMessageFilterHost> cma_message_filter(
 133       new media::CmaMessageFilterHost(host->GetID(),
 134                                       CreateCmaMediaPipelineClient()));
 135   host->AddFilter(cma_message_filter.get());
 136 #endif  // !defined(OS_ANDROID)
 137
 138   // Forcibly trigger I/O-thread URLRequestContext initialization before
 139   // getting HostResolver.
 140   content::BrowserThread::PostTaskAndReplyWithResult(
 141       content::BrowserThread::IO, FROM_HERE,
 142       base::Bind(&net::URLRequestContextGetter::GetURLRequestContext,
 143                  base::Unretained(
 144                     url_request_context_factory_->GetSystemGetter())),
 145       base::Bind(&CastContentBrowserClient::AddNetworkHintsMessageFilter,
 146                  base::Unretained(this), host->GetID()));
 147 }
 148
 149 void CastContentBrowserClient::AddNetworkHintsMessageFilter(
 150     int render_process_id, net::URLRequestContext* context) {
 151   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 152
 153   content::RenderProcessHost* host =
 154       content::RenderProcessHost::FromID(render_process_id);
 155   if (!host)
 156     return;
 157
 158   scoped_refptr<content::BrowserMessageFilter> network_hints_message_filter(
 159       new network_hints::NetworkHintsMessageFilter(
 160           url_request_context_factory_->host_resolver()));
 161   host->AddFilter(network_hints_message_filter.get());
 162 }
 163
 164 net::URLRequestContextGetter* CastContentBrowserClient::CreateRequestContext(
 165     content::BrowserContext* browser_context,
 166     content::ProtocolHandlerMap* protocol_handlers,
 167     content::URLRequestInterceptorScopedVector request_interceptors) {
 168   return url_request_context_factory_->CreateMainGetter(
 169       browser_context,
 170       protocol_handlers,
 171       request_interceptors.Pass());
 172 }
 173
 174 bool CastContentBrowserClient::IsHandledURL(const GURL& url) {
 175   if (!url.is_valid())
 176     return false;
 177
 178   static const char* const kProtocolList[] = {
 179       url::kBlobScheme,
 180       url::kFileSystemScheme,
 181       content::kChromeUIScheme,
 182       content::kChromeDevToolsScheme,
 183       url::kDataScheme,
 184   };
 185
 186   const std::string& scheme = url.scheme();
 187   for (size_t i = 0; i < arraysize(kProtocolList); ++i) {
 188     if (scheme == kProtocolList[i])
 189       return true;
 190   }
 191
 192   if (scheme == url::kFileScheme) {
 193     return base::CommandLine::ForCurrentProcess()->HasSwitch(
 194         switches::kEnableLocalFileAccesses);
 195   }
 196
 197   return false;
 198 }
 199
 200 void CastContentBrowserClient::AppendExtraCommandLineSwitches(
 201     base::CommandLine* command_line,
 202     int child_process_id) {
 203   std::string process_type =
 204       command_line->GetSwitchValueNative(switches::kProcessType);
 205   base::CommandLine* browser_command_line =
 206       base::CommandLine::ForCurrentProcess();
 207
 208   // IsCrashReporterEnabled() is set when InitCrashReporter() is called, and
 209   // controlled by GetBreakpadClient()->EnableBreakpadForProcess(), therefore
 210   // it's ok to add switch to every process here.
 211   if (breakpad::IsCrashReporterEnabled()) {
 212     command_line->AppendSwitch(switches::kEnableCrashReporter);
 213   }
 214
 215   // Renderer process command-line
 216   if (process_type == switches::kRendererProcess) {
 217     // Any browser command-line switches that should be propagated to
 218     // the renderer go here.
 219
 220     if (browser_command_line->HasSwitch(switches::kEnableCmaMediaPipeline))
 221       command_line->AppendSwitch(switches::kEnableCmaMediaPipeline);
 222     if (browser_command_line->HasSwitch(switches::kEnableLegacyHolePunching))
 223       command_line->AppendSwitch(switches::kEnableLegacyHolePunching);
 224     if (browser_command_line->HasSwitch(switches::kAllowHiddenMediaPlayback))
 225       command_line->AppendSwitch(switches::kAllowHiddenMediaPlayback);
 226   }
 227
 228 #if defined(OS_LINUX)
 229   // Necessary for accelerated 2d canvas.  By default on Linux, Chromium assumes
 230   // GLES2 contexts can be lost to a power-save mode, which breaks GPU canvas
 231   // apps.
 232   if (process_type == switches::kGpuProcess) {
 233     command_line->AppendSwitch(switches::kGpuNoContextLost);
 234   }
 235 #endif
 236
 237   AppendExtraCommandLineSwitches(command_line);
 238 }
 239
 240 content::AccessTokenStore* CastContentBrowserClient::CreateAccessTokenStore() {
 241   return new CastAccessTokenStore(
 242       CastBrowserProcess::GetInstance()->browser_context());
 243 }
 244
 245 void CastContentBrowserClient::OverrideWebkitPrefs(
 246     content::RenderViewHost* render_view_host,
 247     content::WebPreferences* prefs) {
 248   prefs->allow_scripts_to_close_windows = true;
 249   // TODO(lcwu): http://crbug.com/391089. This pref is set to true by default
 250   // because some content providers such as YouTube use plain http requests
 251   // to retrieve media data chunks while running in a https page. This pref
 252   // should be disabled once all the content providers are no longer doing that.
 253   prefs->allow_running_insecure_content = true;
 254 }
 255
 256 void CastContentBrowserClient::ResourceDispatcherHostCreated() {
 257   CastBrowserProcess::GetInstance()->SetResourceDispatcherHostDelegate(
 258       make_scoped_ptr(new CastResourceDispatcherHostDelegate));
 259   content::ResourceDispatcherHost::Get()->SetDelegate(
 260       CastBrowserProcess::GetInstance()->resource_dispatcher_host_delegate());
 261 }
 262
 263 std::string CastContentBrowserClient::GetApplicationLocale() {
 264   const std::string locale(base::i18n::GetConfiguredLocale());
 265   return locale.empty() ? "en-US" : locale;
 266 }
 267
 268 content::QuotaPermissionContext*
 269 CastContentBrowserClient::CreateQuotaPermissionContext() {
 270   return new CastQuotaPermissionContext();
 271 }
 272
 273 void CastContentBrowserClient::AllowCertificateError(
 274     int render_process_id,
 275     int render_view_id,
 276     int cert_error,
 277     const net::SSLInfo& ssl_info,
 278     const GURL& request_url,
 279     content::ResourceType resource_type,
 280     bool overridable,
 281     bool strict_enforcement,
 282     bool expired_previous_decision,
 283     const base::Callback<void(bool)>& callback,
 284     content::CertificateRequestResultType* result) {
 285   // Allow developers to override certificate errors.
 286   // Otherwise, any fatal certificate errors will cause an abort.
 287   *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
 288   return;
 289 }
 290
 291 void CastContentBrowserClient::SelectClientCertificate(
 292     content::WebContents* web_contents,
 293     net::SSLCertRequestInfo* cert_request_info,
 294     scoped_ptr<content::ClientCertificateDelegate> delegate) {
 295   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
 296
 297   if (!requesting_url.is_valid()) {
 298     LOG(ERROR) << "Invalid URL string: "
 299                << requesting_url.possibly_invalid_spec();
 300     delegate->ContinueWithCertificate(nullptr);
 301     return;
 302   }
 303
 304   // In our case there are no relevant certs in the cert_request_info. The cert
 305   // we need to return (if permitted) is the Cast device cert, which we can
 306   // access directly through the ClientAuthSigner instance. However, we need to
 307   // be on the IO thread to determine whether the app is whitelisted to return
 308   // it, because CastNetworkDelegate is bound to the IO thread.
 309   // Subsequently, the callback must then itself be performed back here
 310   // on the UI thread.
 311   //
 312   // TODO(davidben): Stop using child ID to identify an app.
 313   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 314   content::BrowserThread::PostTaskAndReplyWithResult(
 315       content::BrowserThread::IO, FROM_HERE,
 316       base::Bind(&CastContentBrowserClient::SelectClientCertificateOnIOThread,
 317                  base::Unretained(this), requesting_url,
 318                  web_contents->GetRenderProcessHost()->GetID()),
 319       base::Bind(&content::ClientCertificateDelegate::ContinueWithCertificate,
 320                  base::Owned(delegate.release())));
 321 }
 322
 323 net::X509Certificate*
 324 CastContentBrowserClient::SelectClientCertificateOnIOThread(
 325     GURL requesting_url,
 326     int render_process_id) {
 327   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 328   CastNetworkDelegate* network_delegate =
 329       url_request_context_factory_->app_network_delegate();
 330   if (network_delegate->IsWhitelisted(requesting_url,
 331                                       render_process_id, false)) {
 332     return CastNetworkDelegate::DeviceCert();
 333   } else {
 334     LOG(ERROR) << "Invalid host for client certificate request: "
 335                << requesting_url.host()
 336                << " with render_process_id: "
 337                << render_process_id;
 338     return NULL;
 339   }
 340 }
 341
 342 bool CastContentBrowserClient::CanCreateWindow(
 343     const GURL& opener_url,
 344     const GURL& opener_top_level_frame_url,
 345     const GURL& source_origin,
 346     WindowContainerType container_type,
 347     const GURL& target_url,
 348     const content::Referrer& referrer,
 349     WindowOpenDisposition disposition,
 350     const blink::WebWindowFeatures& features,
 351     bool user_gesture,
 352     bool opener_suppressed,
 353     content::ResourceContext* context,
 354     int render_process_id,
 355     int opener_render_view_id,
 356     int opener_render_frame_id,
 357     bool* no_javascript_access) {
 358   *no_javascript_access = true;
 359   return false;
 360 }
 361
 362 void CastContentBrowserClient::RegisterUnsandboxedOutOfProcessMojoApplications(
 363     std::map<GURL, base::string16>* apps) {
 364 #if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
 365   apps->insert(std::make_pair(GURL("mojo:media"),
 366                               base::UTF8ToUTF16("Media Renderer")));
 367 #endif
 368 }
 369
 370 #if defined(OS_ANDROID)
 371 void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
 372     const base::CommandLine& command_line,
 373     int child_process_id,
 374     content::FileDescriptorInfo* mappings,
 375     std::map<int, base::MemoryMappedFile::Region>* regions) {
 376   mappings->Share(
 377       kAndroidPakDescriptor,
 378       base::GlobalDescriptors::GetInstance()->Get(kAndroidPakDescriptor));
 379   regions->insert(std::make_pair(
 380       kAndroidPakDescriptor, base::GlobalDescriptors::GetInstance()->GetRegion(
 381                                  kAndroidPakDescriptor)));
 382
 383   if (breakpad::IsCrashReporterEnabled()) {
 384     base::File minidump_file(
 385         breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
 386             child_process_id));
 387     if (!minidump_file.IsValid()) {
 388       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
 389                  << "be disabled for this process.";
 390     } else {
 391       mappings->Transfer(kAndroidMinidumpDescriptor,
 392                          base::ScopedFD(minidump_file.TakePlatformFile()));
 393     }
 394   }
 395 }
 396 #else
 397 void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
 398     const base::CommandLine& command_line,
 399     int child_process_id,
 400     content::FileDescriptorInfo* mappings) {
 401   int crash_signal_fd = GetCrashSignalFD(command_line);
 402   if (crash_signal_fd >= 0) {
 403     mappings->Share(kCrashDumpSignal, crash_signal_fd);
 404   }
 405 }
 406 #endif  // defined(OS_ANDROID)
 407
 408 #if defined(OS_ANDROID) && defined(VIDEO_HOLE)
 409 content::ExternalVideoSurfaceContainer*
 410 CastContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
 411     content::WebContents* web_contents) {
 412   return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
 413       web_contents);
 414 }
 415 #endif  // defined(OS_ANDROID) && defined(VIDEO_HOLE)
 416
 417 #if !defined(OS_ANDROID)
 418 int CastContentBrowserClient::GetCrashSignalFD(
 419     const base::CommandLine& command_line) {
 420   std::string process_type =
 421       command_line.GetSwitchValueASCII(switches::kProcessType);
 422
 423   if (process_type == switches::kRendererProcess ||
 424       process_type == switches::kGpuProcess) {
 425     breakpad::CrashHandlerHostLinux* crash_handler =
 426         crash_handlers_[process_type];
 427     if (!crash_handler) {
 428       crash_handler = CreateCrashHandlerHost(process_type);
 429       crash_handlers_[process_type] = crash_handler;
 430     }
 431     return crash_handler->GetDeathSignalSocket();
 432   }
 433
 434   return -1;
 435 }
 436
 437 breakpad::CrashHandlerHostLinux*
 438 CastContentBrowserClient::CreateCrashHandlerHost(
 439     const std::string& process_type) {
 440   // Let cast shell dump to /tmp. Internal minidump generator code can move it
 441   // to /data/minidumps later, since /data/minidumps is file lock-controlled.
 442   base::FilePath dumps_path;
 443   PathService::Get(base::DIR_TEMP, &dumps_path);
 444
 445   // Alway set "upload" to false to use our own uploader.
 446   breakpad::CrashHandlerHostLinux* crash_handler =
 447     new breakpad::CrashHandlerHostLinux(
 448         process_type, dumps_path, false /* upload */);
 449   // StartUploaderThread() even though upload is diferred.
 450   // Breakpad-related memory is freed in the uploader thread.
 451   crash_handler->StartUploaderThread();
 452   return crash_handler;
 453 }
 454 #endif  // !defined(OS_ANDROID)
 455
 456 }  // namespace shell
 457 }  // namespace chromecast