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