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