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