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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromecast/browser/cast_content_browser_client.h"
#include <stddef.h>
#include <string>
#include <utility>
#include "base/base_switches.h"
#include "base/command_line.h"
#include "base/files/scoped_file.h"
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/path_service.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "chromecast/base/cast_constants.h"
#include "chromecast/base/cast_paths.h"
#include "chromecast/base/chromecast_switches.h"
#include "chromecast/browser/cast_browser_context.h"
#include "chromecast/browser/cast_browser_main_parts.h"
#include "chromecast/browser/cast_browser_process.h"
#include "chromecast/browser/cast_network_delegate.h"
#include "chromecast/browser/cast_quota_permission_context.h"
#include "chromecast/browser/cast_resource_dispatcher_host_delegate.h"
#include "chromecast/browser/geolocation/cast_access_token_store.h"
#include "chromecast/browser/media/cma_message_filter_host.h"
#include "chromecast/browser/service/cast_service_simple.h"
#include "chromecast/browser/url_request_context_factory.h"
#include "chromecast/common/global_descriptors.h"
#include "chromecast/media/audio/cast_audio_manager.h"
#include "chromecast/media/cma/backend/media_pipeline_backend_manager.h"
#include "chromecast/public/media/media_pipeline_backend.h"
#include "components/crash/content/app/breakpad_linux.h"
#include "components/crash/content/browser/crash_handler_host_linux.h"
#include "components/network_hints/browser/network_hints_message_filter.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/certificate_request_result_type.h"
#include "content/public/browser/client_certificate_delegate.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/resource_dispatcher_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_descriptors.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/url_constants.h"
#include "content/public/common/web_preferences.h"
#include "net/ssl/ssl_cert_request_info.h"
#include "net/url_request/url_request_context_getter.h"
#include "ui/gl/gl_switches.h"
#if defined(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
#include "chromecast/browser/media/cast_mojo_media_client.h"
#include "media/mojo/services/mojo_media_application.h" // nogncheck
#endif // ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS
#if defined(OS_ANDROID)
#include "components/crash/content/browser/crash_dump_manager_android.h"
#include "components/external_video_surface/browser/android/external_video_surface_container_impl.h"
#else
#include "chromecast/browser/media/cast_browser_cdm_factory.h"
#endif // defined(OS_ANDROID)
namespace chromecast {
namespace shell {
namespace {
#if defined(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
static std::unique_ptr<::shell::ShellClient> CreateMojoMediaApplication(
CastContentBrowserClient* browser_client,
const base::Closure& quit_closure) {
std::unique_ptr<media::CastMojoMediaClient> mojo_media_client(
new media::CastMojoMediaClient(
base::Bind(&CastContentBrowserClient::CreateMediaPipelineBackend,
base::Unretained(browser_client))));
return std::unique_ptr<::shell::ShellClient>(
new ::media::MojoMediaApplication(std::move(mojo_media_client),
quit_closure));
}
#endif // ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS
} // namespace
CastContentBrowserClient::CastContentBrowserClient()
: cast_browser_main_parts_(nullptr),
url_request_context_factory_(new URLRequestContextFactory()) {}
CastContentBrowserClient::~CastContentBrowserClient() {
content::BrowserThread::DeleteSoon(
content::BrowserThread::IO,
FROM_HERE,
url_request_context_factory_.release());
}
void CastContentBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line) {
}
void CastContentBrowserClient::PreCreateThreads() {
}
std::unique_ptr<CastService> CastContentBrowserClient::CreateCastService(
content::BrowserContext* browser_context,
PrefService* pref_service,
net::URLRequestContextGetter* request_context_getter,
media::VideoPlaneController* video_plane_controller) {
return base::WrapUnique(new CastServiceSimple(browser_context, pref_service));
}
#if !defined(OS_ANDROID)
scoped_refptr<base::SingleThreadTaskRunner>
CastContentBrowserClient::GetMediaTaskRunner() {
DCHECK(cast_browser_main_parts_);
return cast_browser_main_parts_->GetMediaTaskRunner();
}
std::unique_ptr<media::MediaPipelineBackend>
CastContentBrowserClient::CreateMediaPipelineBackend(
const media::MediaPipelineDeviceParams& params) {
return media_pipeline_backend_manager()->CreateMediaPipelineBackend(params);
}
media::MediaResourceTracker*
CastContentBrowserClient::media_resource_tracker() {
return cast_browser_main_parts_->media_resource_tracker();
}
media::MediaPipelineBackendManager*
CastContentBrowserClient::media_pipeline_backend_manager() {
DCHECK(cast_browser_main_parts_);
return cast_browser_main_parts_->media_pipeline_backend_manager();
}
#endif // !defined(OS_ANDROID)
void CastContentBrowserClient::SetMetricsClientId(
const std::string& client_id) {
}
void CastContentBrowserClient::RegisterMetricsProviders(
::metrics::MetricsService* metrics_service) {
}
bool CastContentBrowserClient::EnableRemoteDebuggingImmediately() {
return true;
}
content::BrowserMainParts* CastContentBrowserClient::CreateBrowserMainParts(
const content::MainFunctionParams& parameters) {
DCHECK(!cast_browser_main_parts_);
cast_browser_main_parts_ =
new CastBrowserMainParts(parameters, url_request_context_factory_.get());
CastBrowserProcess::GetInstance()->SetCastContentBrowserClient(this);
return cast_browser_main_parts_;
}
void CastContentBrowserClient::RenderProcessWillLaunch(
content::RenderProcessHost* host) {
#if !defined(OS_ANDROID)
scoped_refptr<media::CmaMessageFilterHost> cma_message_filter(
new media::CmaMessageFilterHost(
host->GetID(),
base::Bind(&CastContentBrowserClient::CreateMediaPipelineBackend,
base::Unretained(this)),
GetMediaTaskRunner(), media_resource_tracker()));
host->AddFilter(cma_message_filter.get());
#endif // !defined(OS_ANDROID)
// Forcibly trigger I/O-thread URLRequestContext initialization before
// getting HostResolver.
content::BrowserThread::PostTaskAndReplyWithResult(
content::BrowserThread::IO, FROM_HERE,
base::Bind(&net::URLRequestContextGetter::GetURLRequestContext,
base::Unretained(
url_request_context_factory_->GetSystemGetter())),
base::Bind(&CastContentBrowserClient::AddNetworkHintsMessageFilter,
base::Unretained(this), host->GetID()));
}
void CastContentBrowserClient::AddNetworkHintsMessageFilter(
int render_process_id, net::URLRequestContext* context) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
content::RenderProcessHost* host =
content::RenderProcessHost::FromID(render_process_id);
if (!host)
return;
scoped_refptr<content::BrowserMessageFilter> network_hints_message_filter(
new network_hints::NetworkHintsMessageFilter(
url_request_context_factory_->host_resolver()));
host->AddFilter(network_hints_message_filter.get());
}
bool CastContentBrowserClient::IsHandledURL(const GURL& url) {
if (!url.is_valid())
return false;
static const char* const kProtocolList[] = {
content::kChromeUIScheme,
content::kChromeDevToolsScheme,
kChromeResourceScheme,
url::kBlobScheme,
url::kDataScheme,
url::kFileSystemScheme,
};
const std::string& scheme = url.scheme();
for (size_t i = 0; i < arraysize(kProtocolList); ++i) {
if (scheme == kProtocolList[i])
return true;
}
if (scheme == url::kFileScheme) {
return base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableLocalFileAccesses);
}
return false;
}
void CastContentBrowserClient::AppendExtraCommandLineSwitches(
base::CommandLine* command_line,
int child_process_id) {
std::string process_type =
command_line->GetSwitchValueNative(switches::kProcessType);
base::CommandLine* browser_command_line =
base::CommandLine::ForCurrentProcess();
// IsCrashReporterEnabled() is set when InitCrashReporter() is called, and
// controlled by GetBreakpadClient()->EnableBreakpadForProcess(), therefore
// it's ok to add switch to every process here.
if (breakpad::IsCrashReporterEnabled()) {
command_line->AppendSwitch(switches::kEnableCrashReporter);
}
// Renderer process command-line
if (process_type == switches::kRendererProcess) {
// Any browser command-line switches that should be propagated to
// the renderer go here.
if (browser_command_line->HasSwitch(switches::kEnableCmaMediaPipeline))
command_line->AppendSwitch(switches::kEnableCmaMediaPipeline);
if (browser_command_line->HasSwitch(switches::kAllowHiddenMediaPlayback))
command_line->AppendSwitch(switches::kAllowHiddenMediaPlayback);
}
#if defined(OS_LINUX)
// Necessary for accelerated 2d canvas. By default on Linux, Chromium assumes
// GLES2 contexts can be lost to a power-save mode, which breaks GPU canvas
// apps.
if (process_type == switches::kGpuProcess) {
command_line->AppendSwitch(switches::kGpuNoContextLost);
}
#endif
AppendExtraCommandLineSwitches(command_line);
}
content::AccessTokenStore* CastContentBrowserClient::CreateAccessTokenStore() {
return new CastAccessTokenStore(
CastBrowserProcess::GetInstance()->browser_context());
}
void CastContentBrowserClient::OverrideWebkitPrefs(
content::RenderViewHost* render_view_host,
content::WebPreferences* prefs) {
prefs->allow_scripts_to_close_windows = true;
// TODO(lcwu): http://crbug.com/391089. This pref is set to true by default
// because some content providers such as YouTube use plain http requests
// to retrieve media data chunks while running in a https page. This pref
// should be disabled once all the content providers are no longer doing that.
prefs->allow_running_insecure_content = true;
// Enable 5% margins for WebVTT cues to keep within title-safe area
prefs->text_track_margin_percentage = 5;
#if defined(OS_ANDROID)
// Enable the television style for viewport so that all cast apps have a
// 1280px wide layout viewport by default.
DCHECK(prefs->viewport_enabled);
DCHECK(prefs->viewport_meta_enabled);
prefs->viewport_style = content::ViewportStyle::TELEVISION;
#endif // defined(OS_ANDROID)
}
void CastContentBrowserClient::ResourceDispatcherHostCreated() {
CastBrowserProcess::GetInstance()->SetResourceDispatcherHostDelegate(
base::WrapUnique(new CastResourceDispatcherHostDelegate));
content::ResourceDispatcherHost::Get()->SetDelegate(
CastBrowserProcess::GetInstance()->resource_dispatcher_host_delegate());
}
std::string CastContentBrowserClient::GetApplicationLocale() {
const std::string locale(base::i18n::GetConfiguredLocale());
return locale.empty() ? "en-US" : locale;
}
content::QuotaPermissionContext*
CastContentBrowserClient::CreateQuotaPermissionContext() {
return new CastQuotaPermissionContext();
}
void CastContentBrowserClient::AllowCertificateError(
content::WebContents* web_contents,
int cert_error,
const net::SSLInfo& ssl_info,
const GURL& request_url,
content::ResourceType resource_type,
bool overridable,
bool strict_enforcement,
bool expired_previous_decision,
const base::Callback<void(bool)>& callback,
content::CertificateRequestResultType* result) {
// Allow developers to override certificate errors.
// Otherwise, any fatal certificate errors will cause an abort.
*result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
return;
}
void CastContentBrowserClient::SelectClientCertificate(
content::WebContents* web_contents,
net::SSLCertRequestInfo* cert_request_info,
std::unique_ptr<content::ClientCertificateDelegate> delegate) {
GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
if (!requesting_url.is_valid()) {
LOG(ERROR) << "Invalid URL string: "
<< requesting_url.possibly_invalid_spec();
delegate->ContinueWithCertificate(nullptr);
return;
}
// In our case there are no relevant certs in the cert_request_info. The cert
// we need to return (if permitted) is the Cast device cert, which we can
// access directly through the ClientAuthSigner instance. However, we need to
// be on the IO thread to determine whether the app is whitelisted to return
// it, because CastNetworkDelegate is bound to the IO thread.
// Subsequently, the callback must then itself be performed back here
// on the UI thread.
//
// TODO(davidben): Stop using child ID to identify an app.
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
content::BrowserThread::PostTaskAndReplyWithResult(
content::BrowserThread::IO, FROM_HERE,
base::Bind(&CastContentBrowserClient::SelectClientCertificateOnIOThread,
base::Unretained(this), requesting_url,
web_contents->GetRenderProcessHost()->GetID()),
base::Bind(&content::ClientCertificateDelegate::ContinueWithCertificate,
base::Owned(delegate.release())));
}
net::X509Certificate*
CastContentBrowserClient::SelectClientCertificateOnIOThread(
GURL requesting_url,
int render_process_id) {
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
CastNetworkDelegate* network_delegate =
url_request_context_factory_->app_network_delegate();
if (network_delegate->IsWhitelisted(requesting_url,
render_process_id, false)) {
return CastNetworkDelegate::DeviceCert();
} else {
LOG(ERROR) << "Invalid host for client certificate request: "
<< requesting_url.host()
<< " with render_process_id: "
<< render_process_id;
return NULL;
}
}
bool CastContentBrowserClient::CanCreateWindow(
const GURL& opener_url,
const GURL& opener_top_level_frame_url,
const GURL& source_origin,
WindowContainerType container_type,
const GURL& target_url,
const content::Referrer& referrer,
WindowOpenDisposition disposition,
const blink::WebWindowFeatures& features,
bool user_gesture,
bool opener_suppressed,
content::ResourceContext* context,
int render_process_id,
int opener_render_view_id,
int opener_render_frame_id,
bool* no_javascript_access) {
*no_javascript_access = true;
return false;
}
void CastContentBrowserClient::RegisterInProcessMojoApplications(
StaticMojoApplicationMap* apps) {
#if defined(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
content::MojoApplicationInfo app_info;
app_info.application_factory =
base::Bind(&CreateMojoMediaApplication, base::Unretained(this));
app_info.application_task_runner = GetMediaTaskRunner();
apps->insert(std::make_pair("mojo:media", app_info));
#endif
}
#if defined(OS_ANDROID)
void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
const base::CommandLine& command_line,
int child_process_id,
content::FileDescriptorInfo* mappings,
std::map<int, base::MemoryMappedFile::Region>* regions) {
mappings->Share(
kAndroidPakDescriptor,
base::GlobalDescriptors::GetInstance()->Get(kAndroidPakDescriptor));
regions->insert(std::make_pair(
kAndroidPakDescriptor, base::GlobalDescriptors::GetInstance()->GetRegion(
kAndroidPakDescriptor)));
if (breakpad::IsCrashReporterEnabled()) {
base::File minidump_file(
breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
child_process_id));
if (!minidump_file.IsValid()) {
LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
<< "be disabled for this process.";
} else {
mappings->Transfer(kAndroidMinidumpDescriptor,
base::ScopedFD(minidump_file.TakePlatformFile()));
}
}
}
#else
::media::ScopedAudioManagerPtr CastContentBrowserClient::CreateAudioManager(
::media::AudioLogFactory* audio_log_factory) {
return ::media::ScopedAudioManagerPtr(new media::CastAudioManager(
GetMediaTaskRunner(), GetMediaTaskRunner(), audio_log_factory,
media_pipeline_backend_manager()));
}
std::unique_ptr<::media::CdmFactory>
CastContentBrowserClient::CreateCdmFactory() {
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableCmaMediaPipeline)) {
return base::WrapUnique(new media::CastBrowserCdmFactory(
GetMediaTaskRunner(), media_resource_tracker()));
}
return nullptr;
}
void CastContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
const base::CommandLine& command_line,
int child_process_id,
content::FileDescriptorInfo* mappings) {
int crash_signal_fd = GetCrashSignalFD(command_line);
if (crash_signal_fd >= 0) {
mappings->Share(kCrashDumpSignal, crash_signal_fd);
}
}
#endif // defined(OS_ANDROID)
void CastContentBrowserClient::GetAdditionalWebUISchemes(
std::vector<std::string>* additional_schemes) {
additional_schemes->push_back(kChromeResourceScheme);
}
#if defined(OS_ANDROID) && defined(VIDEO_HOLE)
content::ExternalVideoSurfaceContainer*
CastContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
content::WebContents* web_contents) {
return external_video_surface::ExternalVideoSurfaceContainerImpl::Create(
web_contents);
}
#endif // defined(OS_ANDROID) && defined(VIDEO_HOLE)
#if !defined(OS_ANDROID)
int CastContentBrowserClient::GetCrashSignalFD(
const base::CommandLine& command_line) {
std::string process_type =
command_line.GetSwitchValueASCII(switches::kProcessType);
if (process_type == switches::kRendererProcess ||
process_type == switches::kGpuProcess ||
process_type == switches::kUtilityProcess) {
breakpad::CrashHandlerHostLinux* crash_handler =
crash_handlers_[process_type];
if (!crash_handler) {
crash_handler = CreateCrashHandlerHost(process_type);
crash_handlers_[process_type] = crash_handler;
}
return crash_handler->GetDeathSignalSocket();
}
return -1;
}
breakpad::CrashHandlerHostLinux*
CastContentBrowserClient::CreateCrashHandlerHost(
const std::string& process_type) {
// Let cast shell dump to /tmp. Internal minidump generator code can move it
// to /data/minidumps later, since /data/minidumps is file lock-controlled.
base::FilePath dumps_path;
PathService::Get(base::DIR_TEMP, &dumps_path);
// Alway set "upload" to false to use our own uploader.
breakpad::CrashHandlerHostLinux* crash_handler =
new breakpad::CrashHandlerHostLinux(
process_type, dumps_path, false /* upload */);
// StartUploaderThread() even though upload is diferred.
// Breakpad-related memory is freed in the uploader thread.
crash_handler->StartUploaderThread();
return crash_handler;
}
#endif // !defined(OS_ANDROID)
} // namespace shell
} // namespace chromecast