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