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chromium / chromium / src / 85c4dcec46ee24b011320781e22180e57513816e / . / chrome / renderer / chrome_content_renderer_client.cc
blob: f5eb8459c57cc1632e0c98815367696d00d3bab1 [file] [log] [blame]
// Copyright (c) 2012 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 "chrome/renderer/chrome_content_renderer_client.h"
#include <memory>
#include <utility>
#include "base/bind.h"
#include "base/command_line.h"
#include "base/debug/crash_logging.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics_action.h"
#include "base/no_destructor.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "base/values.h"
#include "build/build_config.h"
#include "chrome/common/buildflags.h"
#include "chrome/common/channel_info.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_features.h"
#include "chrome/common/chrome_isolated_world_ids.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/constants.mojom.h"
#include "chrome/common/crash_keys.h"
#include "chrome/common/pdf_util.h"
#include "chrome/common/pepper_permission_util.h"
#include "chrome/common/plugin.mojom.h"
#include "chrome/common/prerender_types.h"
#include "chrome/common/prerender_url_loader_throttle.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/secure_origin_whitelist.h"
#include "chrome/common/thread_profiler.h"
#include "chrome/common/url_constants.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/grit/renderer_resources.h"
#include "chrome/renderer/app_categorizer.h"
#include "chrome/renderer/benchmarking_extension.h"
#include "chrome/renderer/chrome_render_frame_observer.h"
#include "chrome/renderer/chrome_render_thread_observer.h"
#include "chrome/renderer/chrome_render_view_observer.h"
#include "chrome/renderer/content_settings_observer.h"
#include "chrome/renderer/loadtimes_extension_bindings.h"
#include "chrome/renderer/media/flash_embed_rewrite.h"
#include "chrome/renderer/media/webrtc_logging_message_filter.h"
#include "chrome/renderer/net/net_error_helper.h"
#include "chrome/renderer/net_benchmarking_extension.h"
#include "chrome/renderer/page_load_metrics/metrics_render_frame_observer.h"
#include "chrome/renderer/pepper/pepper_helper.h"
#include "chrome/renderer/plugins/non_loadable_plugin_placeholder.h"
#include "chrome/renderer/plugins/pdf_plugin_placeholder.h"
#include "chrome/renderer/plugins/plugin_preroller.h"
#include "chrome/renderer/plugins/plugin_uma.h"
#include "chrome/renderer/prerender/prerender_dispatcher.h"
#include "chrome/renderer/prerender/prerender_helper.h"
#include "chrome/renderer/prerender/prerenderer_client.h"
#include "chrome/renderer/tts_dispatcher.h"
#include "chrome/renderer/url_loader_throttle_provider_impl.h"
#include "chrome/renderer/websocket_handshake_throttle_provider_impl.h"
#include "chrome/renderer/worker_content_settings_client.h"
#include "components/autofill/content/renderer/autofill_agent.h"
#include "components/autofill/content/renderer/password_autofill_agent.h"
#include "components/autofill/content/renderer/password_generation_agent.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/contextual_search/content/renderer/overlay_js_render_frame_observer.h"
#include "components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h"
#include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
#include "components/dom_distiller/content/renderer/distillability_agent.h"
#include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
#include "components/dom_distiller/core/dom_distiller_switches.h"
#include "components/dom_distiller/core/url_constants.h"
#include "components/error_page/common/error.h"
#include "components/error_page/common/localized_error.h"
#include "components/network_hints/renderer/prescient_networking_dispatcher.h"
#include "components/pdf/renderer/pepper_pdf_host.h"
#include "components/safe_browsing/renderer/threat_dom_details.h"
#include "components/services/heap_profiling/public/cpp/allocator_shim.h"
#include "components/spellcheck/spellcheck_buildflags.h"
#include "components/startup_metric_utils/common/startup_metric.mojom.h"
#include "components/subresource_filter/content/renderer/subresource_filter_agent.h"
#include "components/subresource_filter/content/renderer/unverified_ruleset_dealer.h"
#include "components/subresource_filter/core/common/common_features.h"
#include "components/task_scheduler_util/variations_util.h"
#include "components/variations/net/variations_http_headers.h"
#include "components/variations/variations_switches.h"
#include "components/version_info/version_info.h"
#include "components/visitedlink/renderer/visitedlink_slave.h"
#include "components/web_cache/renderer/web_cache_impl.h"
#include "content/public/common/content_constants.h"
#include "content/public/common/content_features.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/mime_handler_view_mode.h"
#include "content/public/common/service_names.mojom.h"
#include "content/public/common/url_constants.h"
#include "content/public/renderer/plugin_instance_throttler.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_frame_visitor.h"
#include "content/public/renderer/render_view.h"
#include "extensions/buildflags/buildflags.h"
#include "ipc/ipc_sync_channel.h"
#include "media/base/media_switches.h"
#include "media/media_buildflags.h"
#include "net/base/net_errors.h"
#include "ppapi/buildflags/buildflags.h"
#include "ppapi/shared_impl/ppapi_switches.h"
#include "printing/buildflags/buildflags.h"
#include "services/service_manager/public/cpp/connector.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
#include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom-shared.h"
#include "third_party/blink/public/platform/scheduler/web_renderer_process_type.h"
#include "third_party/blink/public/platform/url_conversion.h"
#include "third_party/blink/public/platform/web_cache.h"
#include "third_party/blink/public/platform/web_runtime_features.h"
#include "third_party/blink/public/platform/web_security_origin.h"
#include "third_party/blink/public/platform/web_url.h"
#include "third_party/blink/public/platform/web_url_error.h"
#include "third_party/blink/public/platform/web_url_request.h"
#include "third_party/blink/public/platform/web_url_response.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_element.h"
#include "third_party/blink/public/web/web_heap.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_plugin_container.h"
#include "third_party/blink/public/web/web_plugin_params.h"
#include "third_party/blink/public/web/web_security_policy.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/layout.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/webui/jstemplate_builder.h"
#include "url/origin.h"
#if defined(OS_ANDROID)
#include "chrome/renderer/sandbox_status_extension_android.h"
#else
#include "chrome/renderer/searchbox/search_bouncer.h"
#include "chrome/renderer/searchbox/searchbox.h"
#include "chrome/renderer/searchbox/searchbox_extension.h"
#endif
#if defined(FULL_SAFE_BROWSING)
#include "chrome/renderer/safe_browsing/phishing_classifier_delegate.h"
#endif
#if BUILDFLAG(ENABLE_NACL)
#include "components/nacl/common/nacl_constants.h"
#include "components/nacl/renderer/nacl_helper.h"
#endif
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "chrome/common/initialize_extensions_client.h"
#include "chrome/renderer/extensions/chrome_extensions_renderer_client.h"
#include "extensions/common/constants.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/manifest_handlers/web_accessible_resources_info.h"
#include "extensions/common/switches.h"
#include "extensions/renderer/dispatcher.h"
#include "extensions/renderer/renderer_extension_registry.h"
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
#include "chrome/common/plugin_utils.h"
#include "chrome/renderer/plugins/chrome_plugin_placeholder.h"
#include "chrome/renderer/plugins/power_saver_info.h"
#else
#include "components/plugins/renderer/plugin_placeholder.h"
#endif
#if BUILDFLAG(ENABLE_PRINTING)
#include "chrome/renderer/printing/chrome_print_render_frame_helper_delegate.h"
#include "components/printing/renderer/print_render_frame_helper.h"
#include "printing/print_settings.h"
#endif
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
#include "chrome/renderer/pepper/chrome_pdf_print_client.h"
#endif
#if BUILDFLAG(ENABLE_SPELLCHECK)
#include "components/spellcheck/renderer/spellcheck.h"
#include "components/spellcheck/renderer/spellcheck_provider.h"
#if BUILDFLAG(HAS_SPELLCHECK_PANEL)
#include "components/spellcheck/renderer/spellcheck_panel.h"
#endif // BUILDFLAG(HAS_SPELLCHECK_PANEL)
#endif // BUILDFLAG(ENABLE_SPELLCHECK)
using autofill::AutofillAgent;
using autofill::PasswordAutofillAgent;
using autofill::PasswordGenerationAgent;
using base::ASCIIToUTF16;
using base::UserMetricsAction;
using blink::WebCache;
using blink::WebConsoleMessage;
using blink::WebDocument;
using blink::WebFrame;
using blink::WebLocalFrame;
using blink::WebPlugin;
using blink::WebPluginParams;
using blink::WebSecurityOrigin;
using blink::WebSecurityPolicy;
using blink::WebString;
using blink::WebURL;
using blink::WebURLError;
using blink::WebURLRequest;
using blink::WebURLResponse;
using blink::WebVector;
using blink::mojom::FetchCacheMode;
using content::PluginInstanceThrottler;
using content::RenderFrame;
using content::RenderThread;
using content::WebPluginInfo;
using content::WebPluginMimeType;
using extensions::Extension;
namespace {
// Whitelist PPAPI for Android Runtime for Chromium. (See crbug.com/383937)
#if BUILDFLAG(ENABLE_PLUGINS)
const char* const kPredefinedAllowedCameraDeviceOrigins[] = {
"6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",
"4EB74897CB187C7633357C2FE832E0AD6A44883A"
};
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
void AppendParams(
const std::vector<WebPluginMimeType::Param>& additional_params,
WebVector<WebString>* existing_names,
WebVector<WebString>* existing_values) {
DCHECK(existing_names->size() == existing_values->size());
size_t existing_size = existing_names->size();
size_t total_size = existing_size + additional_params.size();
WebVector<WebString> names(total_size);
WebVector<WebString> values(total_size);
for (size_t i = 0; i < existing_size; ++i) {
names[i] = (*existing_names)[i];
values[i] = (*existing_values)[i];
}
for (size_t i = 0; i < additional_params.size(); ++i) {
names[existing_size + i] = WebString::FromUTF16(additional_params[i].name);
values[existing_size + i] =
WebString::FromUTF16(additional_params[i].value);
}
existing_names->Swap(names);
existing_values->Swap(values);
}
#endif // BUILDFLAG(ENABLE_PLUGINS)
bool IsStandaloneContentExtensionProcess() {
#if !BUILDFLAG(ENABLE_EXTENSIONS)
return false;
#else
return base::CommandLine::ForCurrentProcess()->HasSwitch(
extensions::switches::kExtensionProcess);
#endif
}
// Defers media player loading in background pages until they're visible.
class MediaLoadDeferrer : public content::RenderFrameObserver {
public:
MediaLoadDeferrer(content::RenderFrame* render_frame,
base::OnceClosure continue_loading_cb)
: content::RenderFrameObserver(render_frame),
continue_loading_cb_(std::move(continue_loading_cb)) {}
~MediaLoadDeferrer() override {}
private:
// content::RenderFrameObserver implementation:
void WasShown() override {
std::move(continue_loading_cb_).Run();
delete this;
}
void OnDestruct() override { delete this; }
base::OnceClosure continue_loading_cb_;
DISALLOW_COPY_AND_ASSIGN(MediaLoadDeferrer);
};
#if defined(OS_WIN)
// Binds |module_event_sink| to the provided |interface_ptr_info|. This function
// is used to do the binding on the IO thread.
void BindModuleEventSink(mojom::ModuleEventSinkPtr* module_event_sink,
mojom::ModuleEventSinkPtrInfo interface_ptr_info) {
DCHECK(!module_event_sink->is_bound());
module_event_sink->Bind(std::move(interface_ptr_info));
}
// Dispatches a module |event| to the provided |module_event_sink| interface.
// It is expected that this only be called from the IO thread. This is only safe
// because the underlying |module_event_sink| object is never deleted, being
// owned by the leaked ChromeContentRendererClient object. If this ever changes
// then a WeakPtr mechanism would have to be used.
void HandleModuleEventOnIOThread(
const mojom::ModuleEventSinkPtr& module_event_sink,
const ModuleWatcher::ModuleEvent& event) {
DCHECK(module_event_sink.is_bound());
// Simply send the module load address. The browser can validate this and look
// up the module details on its own.
module_event_sink->OnModuleEvent(
event.event_type, reinterpret_cast<uintptr_t>(event.module_load_address));
}
// Receives notifications from the ModuleWatcher on any thread. Bounces these
// over to the provided |io_task_runner| where they are subsequently dispatched
// to the |module_event_sink| interface.
void OnModuleEvent(scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
const mojom::ModuleEventSinkPtr& module_event_sink,
const ModuleWatcher::ModuleEvent& event) {
// The Mojo interface can only be used from a single thread. Bounce tasks
// over to it. It is safe to pass an unretained pointer to
// |module_event_sink|: it is owned by a ChromeContentRendererClient, which is
// a leaked singleton in the process.
io_task_runner->PostTask(
FROM_HERE, base::Bind(&HandleModuleEventOnIOThread,
base::ConstRef(module_event_sink), event));
}
#endif
} // namespace
ChromeContentRendererClient::ChromeContentRendererClient()
: main_entry_time_(base::TimeTicks::Now()),
main_thread_profiler_(ThreadProfiler::CreateAndStartOnMainThread()) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
EnsureExtensionsClientInitialized();
extensions::ExtensionsRendererClient::Set(
ChromeExtensionsRendererClient::GetInstance());
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
for (const char* origin : kPredefinedAllowedCameraDeviceOrigins)
allowed_camera_device_origins_.insert(origin);
#endif
}
ChromeContentRendererClient::~ChromeContentRendererClient() = default;
void ChromeContentRendererClient::RenderThreadStarted() {
RenderThread* thread = RenderThread::Get();
thread->SetRendererProcessType(
IsStandaloneContentExtensionProcess()
? blink::scheduler::WebRendererProcessType::kExtensionRenderer
: blink::scheduler::WebRendererProcessType::kRenderer);
{
startup_metric_utils::mojom::StartupMetricHostPtr startup_metric_host;
GetConnector()->BindInterface(
service_manager::ServiceFilter::ByName(chrome::mojom::kServiceName),
&startup_metric_host);
startup_metric_host->RecordRendererMainEntryTime(main_entry_time_);
}
#if defined(OS_WIN)
// Bind the ModuleEventSink interface.
thread->GetConnector()->BindInterface(
service_manager::ServiceFilter::ByName(
content::mojom::kBrowserServiceName),
&module_event_sink_);
// Rebind the ModuleEventSink to the IO task runner.
// The use of base::Unretained() is safe here because |module_event_sink_|
// is never deleted and is only used on the IO task runner.
thread->GetIOTaskRunner()->PostTask(
FROM_HERE, base::BindOnce(&BindModuleEventSink,
base::Unretained(&module_event_sink_),
module_event_sink_.PassInterface()));
// It is safe to pass an unretained pointer to |module_event_sink_|, as it
// is owned by the process singleton ChromeContentRendererClient, which is
// leaked.
module_watcher_ = ModuleWatcher::Create(
base::BindRepeating(&OnModuleEvent, thread->GetIOTaskRunner(),
base::ConstRef(module_event_sink_)));
#endif
chrome_observer_.reset(new ChromeRenderThreadObserver());
web_cache_impl_.reset(new web_cache::WebCacheImpl());
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RenderThreadStarted();
#endif
prescient_networking_dispatcher_.reset(
new network_hints::PrescientNetworkingDispatcher());
#if BUILDFLAG(ENABLE_SPELLCHECK)
if (!spellcheck_)
InitSpellCheck();
#endif
#if defined(FULL_SAFE_BROWSING)
registry_.AddInterface(
base::BindRepeating(&safe_browsing::PhishingClassifierFilter::Create));
#endif
prerender_dispatcher_.reset(new prerender::PrerenderDispatcher());
subresource_filter_ruleset_dealer_.reset(
new subresource_filter::UnverifiedRulesetDealer());
webrtc_logging_message_filter_ =
new WebRtcLoggingMessageFilter(thread->GetIOTaskRunner());
thread->AddObserver(chrome_observer_.get());
thread->AddObserver(prerender_dispatcher_.get());
thread->AddObserver(subresource_filter_ruleset_dealer_.get());
#if !defined(OS_ANDROID)
thread->AddObserver(SearchBouncer::GetInstance());
#endif
thread->AddFilter(webrtc_logging_message_filter_.get());
thread->RegisterExtension(extensions_v8::LoadTimesExtension::Get());
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(variations::switches::kEnableBenchmarking))
thread->RegisterExtension(extensions_v8::BenchmarkingExtension::Get());
if (command_line->HasSwitch(switches::kEnableNetBenchmarking))
thread->RegisterExtension(extensions_v8::NetBenchmarkingExtension::Get());
// chrome-search: and chrome-distiller: pages should not be accessible by
// normal content, and should also be unable to script anything but themselves
// (to help limit the damage that a corrupt page could cause).
WebString chrome_search_scheme(
WebString::FromASCII(chrome::kChromeSearchScheme));
// The Instant process can only display the content but not read it. Other
// processes can't display it or read it.
if (!command_line->HasSwitch(switches::kInstantProcess))
WebSecurityPolicy::RegisterURLSchemeAsDisplayIsolated(chrome_search_scheme);
WebString dom_distiller_scheme(
WebString::FromASCII(dom_distiller::kDomDistillerScheme));
// TODO(nyquist): Add test to ensure this happens when the flag is set.
WebSecurityPolicy::RegisterURLSchemeAsDisplayIsolated(dom_distiller_scheme);
#if defined(OS_ANDROID)
WebSecurityPolicy::RegisterURLSchemeAsAllowedForReferrer(
WebString::FromUTF8(chrome::kAndroidAppScheme));
#endif
// chrome-search: pages should not be accessible by bookmarklets
// or javascript: URLs typed in the omnibox.
WebSecurityPolicy::RegisterURLSchemeAsNotAllowingJavascriptURLs(
chrome_search_scheme);
#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
pdf_print_client_.reset(new ChromePDFPrintClient());
pdf::PepperPDFHost::SetPrintClient(pdf_print_client_.get());
#endif
for (auto& origin_or_hostname_pattern :
secure_origin_whitelist::GetWhitelist()) {
WebSecurityPolicy::AddOriginTrustworthyWhiteList(
WebString::FromUTF8(origin_or_hostname_pattern));
}
for (auto& scheme :
secure_origin_whitelist::GetSchemesBypassingSecureContextCheck()) {
WebSecurityPolicy::AddSchemeToBypassSecureContextWhitelist(
WebString::FromASCII(scheme));
}
main_thread_profiler_->SetMainThreadTaskRunner(
base::ThreadTaskRunnerHandle::Get());
ThreadProfiler::SetServiceManagerConnectorForChildProcess(
thread->GetConnector());
}
void ChromeContentRendererClient::RenderFrameCreated(
content::RenderFrame* render_frame) {
ChromeRenderFrameObserver* render_frame_observer =
new ChromeRenderFrameObserver(render_frame);
service_manager::BinderRegistry* registry = render_frame_observer->registry();
bool should_whitelist_for_content_settings =
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kInstantProcess);
ContentSettingsObserver* content_settings = new ContentSettingsObserver(
render_frame, should_whitelist_for_content_settings, registry);
#if BUILDFLAG(ENABLE_EXTENSIONS)
content_settings->SetExtensionDispatcher(
ChromeExtensionsRendererClient::GetInstance()->extension_dispatcher());
#endif
if (chrome_observer_.get()) {
content_settings->SetContentSettingRules(
chrome_observer_->content_setting_rules());
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RenderFrameCreated(
render_frame, registry);
#endif
#if BUILDFLAG(ENABLE_PLUGINS)
new PepperHelper(render_frame);
#endif
#if BUILDFLAG(ENABLE_NACL)
new nacl::NaClHelper(render_frame);
#endif
#if defined(FULL_SAFE_BROWSING) || defined(SAFE_BROWSING_DB_REMOTE)
safe_browsing::ThreatDOMDetails::Create(render_frame, registry);
#endif
#if BUILDFLAG(ENABLE_PRINTING)
new printing::PrintRenderFrameHelper(
render_frame, std::make_unique<ChromePrintRenderFrameHelperDelegate>());
#endif
#if defined(OS_ANDROID)
SandboxStatusExtension::Create(render_frame);
#endif
new NetErrorHelper(render_frame);
if (!render_frame->IsMainFrame()) {
auto* prerender_helper = prerender::PrerenderHelper::Get(
render_frame->GetRenderView()->GetMainRenderFrame());
if (prerender_helper) {
// Avoid any race conditions from having the browser tell subframes that
// they're prerendering.
new prerender::PrerenderHelper(render_frame,
prerender_helper->prerender_mode(),
prerender_helper->histogram_prefix());
}
}
// Set up a mojo service to test if this page is a distiller page.
new dom_distiller::DistillerJsRenderFrameObserver(
render_frame, ISOLATED_WORLD_ID_CHROME_INTERNAL, registry);
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kEnableDistillabilityService)) {
// Create DistillabilityAgent to send distillability updates to
// DistillabilityDriver in the browser process.
new dom_distiller::DistillabilityAgent(render_frame);
}
// Set up a mojo service to test if this page is a contextual search page.
new contextual_search::OverlayJsRenderFrameObserver(render_frame, registry);
blink::AssociatedInterfaceRegistry* associated_interfaces =
render_frame_observer->associated_interfaces();
PasswordAutofillAgent* password_autofill_agent =
new PasswordAutofillAgent(render_frame, associated_interfaces);
PasswordGenerationAgent* password_generation_agent =
new PasswordGenerationAgent(render_frame, password_autofill_agent,
associated_interfaces);
new AutofillAgent(render_frame, password_autofill_agent,
password_generation_agent, associated_interfaces);
// Owned by |render_frame|.
page_load_metrics::MetricsRenderFrameObserver* metrics_render_frame_observer =
new page_load_metrics::MetricsRenderFrameObserver(render_frame);
// There is no render thread, thus no UnverifiedRulesetDealer in
// ChromeRenderViewTests.
if (subresource_filter_ruleset_dealer_) {
// Create AdResourceTracker to tracker ad resource loads at the chrome
// layer.
auto ad_resource_tracker =
std::make_unique<subresource_filter::AdResourceTracker>();
metrics_render_frame_observer->SetAdResourceTracker(
ad_resource_tracker.get());
new subresource_filter::SubresourceFilterAgent(
render_frame, subresource_filter_ruleset_dealer_.get(),
std::move(ad_resource_tracker));
}
#if !defined(OS_ANDROID)
if (command_line->HasSwitch(switches::kInstantProcess) &&
render_frame->IsMainFrame()) {
new SearchBox(render_frame);
}
#endif // !defined(OS_ANDROID)
#if BUILDFLAG(ENABLE_SPELLCHECK)
new SpellCheckProvider(render_frame, spellcheck_.get(), this);
#if BUILDFLAG(HAS_SPELLCHECK_PANEL)
new SpellCheckPanel(render_frame, registry, this);
#endif // BUILDFLAG(HAS_SPELLCHECK_PANEL)
#endif
if (render_frame->IsMainFrame())
new data_reduction_proxy::ContentPreviewsRenderFrameObserver(render_frame);
}
void ChromeContentRendererClient::RenderViewCreated(
content::RenderView* render_view) {
new prerender::PrerendererClient(render_view);
new ChromeRenderViewObserver(render_view, web_cache_impl_.get());
}
SkBitmap* ChromeContentRendererClient::GetSadPluginBitmap() {
return const_cast<SkBitmap*>(ui::ResourceBundle::GetSharedInstance()
.GetImageNamed(IDR_SAD_PLUGIN)
.ToSkBitmap());
}
SkBitmap* ChromeContentRendererClient::GetSadWebViewBitmap() {
return const_cast<SkBitmap*>(ui::ResourceBundle::GetSharedInstance()
.GetImageNamed(IDR_SAD_WEBVIEW)
.ToSkBitmap());
}
bool ChromeContentRendererClient::MaybeCreateMimeHandlerView(
content::RenderFrame* render_frame,
const blink::WebElement& plugin_element,
const GURL& original_url,
const std::string& mime_type,
int32_t instance_id_to_use) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
DCHECK(plugin_element.HasHTMLTagName("object") ||
plugin_element.HasHTMLTagName("embed"));
if (!content::MimeHandlerViewMode::UsesCrossProcessFrame())
return false;
// Blink will next try to load a WebPlugin which would end up in
// OverrideCreatePlugin, sending another IPC only to find out the plugin is
// not supported. Here it suffices to return false but there should perhaps be
// a more unified approach to avoid sending the IPC twice.
chrome::mojom::PluginInfoPtr plugin_info = chrome::mojom::PluginInfo::New();
GetPluginInfoHost()->GetPluginInfo(
render_frame->GetRoutingID(), original_url,
render_frame->GetWebFrame()->Top()->GetSecurityOrigin(), mime_type,
&plugin_info);
if (plugin_info->status == chrome::mojom::PluginStatus::kNotFound ||
!ChromeExtensionsRendererClient::MaybeCreateMimeHandlerView(
plugin_element, original_url, plugin_info->actual_mime_type,
plugin_info->plugin, instance_id_to_use)) {
return false;
}
return true;
#else
return false;
#endif
}
bool ChromeContentRendererClient::OverrideCreatePlugin(
content::RenderFrame* render_frame,
const WebPluginParams& params,
WebPlugin** plugin) {
std::string orig_mime_type = params.mime_type.Utf8();
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (!ChromeExtensionsRendererClient::GetInstance()->OverrideCreatePlugin(
render_frame, params)) {
return false;
}
#endif
GURL url(params.url);
#if BUILDFLAG(ENABLE_PLUGINS)
chrome::mojom::PluginInfoPtr plugin_info = chrome::mojom::PluginInfo::New();
GetPluginInfoHost()->GetPluginInfo(
render_frame->GetRoutingID(), url,
render_frame->GetWebFrame()->Top()->GetSecurityOrigin(), orig_mime_type,
&plugin_info);
*plugin = CreatePlugin(render_frame, params, *plugin_info);
#else // !BUILDFLAG(ENABLE_PLUGINS)
PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
if (orig_mime_type == kPDFMimeType) {
ReportPDFLoadStatus(
PDFLoadStatus::kShowedDisabledPluginPlaceholderForEmbeddedPdf);
if (base::FeatureList::IsEnabled(features::kClickToOpenPDFPlaceholder)) {
PDFPluginPlaceholder* placeholder =
PDFPluginPlaceholder::CreatePDFPlaceholder(render_frame, params);
*plugin = placeholder->plugin();
return true;
}
}
auto* placeholder = NonLoadablePluginPlaceholder::CreateNotSupportedPlugin(
render_frame, params);
*plugin = placeholder->plugin();
#endif // BUILDFLAG(ENABLE_PLUGINS)
return true;
}
WebPlugin* ChromeContentRendererClient::CreatePluginReplacement(
content::RenderFrame* render_frame,
const base::FilePath& plugin_path) {
auto* placeholder = NonLoadablePluginPlaceholder::CreateErrorPlugin(
render_frame, plugin_path);
return placeholder->plugin();
}
bool ChromeContentRendererClient::DeferMediaLoad(
content::RenderFrame* render_frame,
bool has_played_media_before,
base::OnceClosure closure) {
// Don't allow autoplay/autoload of media resources in a RenderFrame that is
// hidden and has never played any media before. We want to allow future
// loads even when hidden to allow playlist-like functionality.
//
// NOTE: This is also used to defer media loading for prerender.
if ((render_frame->IsHidden() && !has_played_media_before) ||
prerender::PrerenderHelper::IsPrerendering(render_frame)) {
new MediaLoadDeferrer(render_frame, std::move(closure));
return true;
}
std::move(closure).Run();
return false;
}
#if BUILDFLAG(ENABLE_PLUGINS)
chrome::mojom::PluginInfoHostAssociatedPtr&
ChromeContentRendererClient::GetPluginInfoHost() {
struct PluginInfoHostHolder {
PluginInfoHostHolder() {
RenderThread::Get()->GetChannel()->GetRemoteAssociatedInterface(
&plugin_info_host);
}
~PluginInfoHostHolder() {}
chrome::mojom::PluginInfoHostAssociatedPtr plugin_info_host;
};
static base::NoDestructor<PluginInfoHostHolder> holder;
return holder->plugin_info_host;
}
// static
WebPlugin* ChromeContentRendererClient::CreatePlugin(
content::RenderFrame* render_frame,
const WebPluginParams& original_params,
const chrome::mojom::PluginInfo& plugin_info) {
const WebPluginInfo& info = plugin_info.plugin;
const std::string& actual_mime_type = plugin_info.actual_mime_type;
const base::string16& group_name = plugin_info.group_name;
const std::string& identifier = plugin_info.group_identifier;
chrome::mojom::PluginStatus status = plugin_info.status;
GURL url(original_params.url);
std::string orig_mime_type = original_params.mime_type.Utf8();
ChromePluginPlaceholder* placeholder = NULL;
// If the browser plugin is to be enabled, this should be handled by the
// renderer, so the code won't reach here due to the early exit in
// OverrideCreatePlugin.
if (status == chrome::mojom::PluginStatus::kNotFound ||
orig_mime_type == content::kBrowserPluginMimeType) {
PluginUMAReporter::GetInstance()->ReportPluginMissing(orig_mime_type, url);
placeholder = ChromePluginPlaceholder::CreateLoadableMissingPlugin(
render_frame, original_params);
} else {
// TODO(bauerb): This should be in content/.
WebPluginParams params(original_params);
for (const auto& mime_type : info.mime_types) {
if (mime_type.mime_type == actual_mime_type) {
AppendParams(mime_type.additional_params, &params.attribute_names,
&params.attribute_values);
break;
}
}
if (params.mime_type.IsNull() && (actual_mime_type.size() > 0)) {
// Webkit might say that mime type is null while we already know the
// actual mime type via ChromeViewHostMsg_GetPluginInfo. In that case
// we should use what we know since WebpluginDelegateProxy does some
// specific initializations based on this information.
params.mime_type = WebString::FromUTF8(actual_mime_type);
}
ContentSettingsObserver* observer =
ContentSettingsObserver::Get(render_frame);
const ContentSettingsType content_type =
ShouldUseJavaScriptSettingForPlugin(info)
? CONTENT_SETTINGS_TYPE_JAVASCRIPT
: CONTENT_SETTINGS_TYPE_PLUGINS;
if ((status == chrome::mojom::PluginStatus::kUnauthorized ||
status == chrome::mojom::PluginStatus::kBlocked) &&
observer->IsPluginTemporarilyAllowed(identifier)) {
status = chrome::mojom::PluginStatus::kAllowed;
}
auto create_blocked_plugin = [&render_frame, &params, &info, &identifier,
&group_name](int template_id,
const base::string16& message) {
return ChromePluginPlaceholder::CreateBlockedPlugin(
render_frame, params, info, identifier, group_name, template_id,
message, PowerSaverInfo());
};
WebLocalFrame* frame = render_frame->GetWebFrame();
switch (status) {
case chrome::mojom::PluginStatus::kNotFound: {
NOTREACHED();
break;
}
case chrome::mojom::PluginStatus::kAllowed:
case chrome::mojom::PluginStatus::kPlayImportantContent: {
#if BUILDFLAG(ENABLE_NACL) && BUILDFLAG(ENABLE_EXTENSIONS)
const bool is_nacl_plugin =
info.name == ASCIIToUTF16(nacl::kNaClPluginName);
const bool is_nacl_mime_type =
actual_mime_type == nacl::kNaClPluginMimeType;
const bool is_pnacl_mime_type =
actual_mime_type == nacl::kPnaclPluginMimeType;
if (is_nacl_plugin || is_nacl_mime_type || is_pnacl_mime_type) {
bool is_nacl_unrestricted = false;
if (is_nacl_mime_type) {
is_nacl_unrestricted =
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnableNaCl);
} else if (is_pnacl_mime_type) {
is_nacl_unrestricted = true;
}
GURL manifest_url;
GURL app_url;
if (is_nacl_mime_type || is_pnacl_mime_type) {
// Normal NaCl/PNaCl embed. The app URL is the page URL.
manifest_url = url;
app_url = frame->GetDocument().Url();
} else {
// NaCl is being invoked as a content handler. Look up the NaCl
// module using the MIME type. The app URL is the manifest URL.
manifest_url = GetNaClContentHandlerURL(actual_mime_type, info);
app_url = manifest_url;
}
const Extension* extension =
extensions::RendererExtensionRegistry::Get()
->GetExtensionOrAppByURL(manifest_url);
if (!IsNaClAllowed(manifest_url,
app_url,
is_nacl_unrestricted,
extension,
&params)) {
WebString error_message;
if (is_nacl_mime_type) {
error_message =
"Only unpacked extensions and apps installed from the Chrome "
"Web Store can load NaCl modules without enabling Native "
"Client in about:flags.";
} else if (is_pnacl_mime_type) {
error_message =
"Portable Native Client must not be disabled in about:flags.";
}
frame->AddMessageToConsole(WebConsoleMessage(
WebConsoleMessage::kLevelError, error_message));
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
#if defined(OS_CHROMEOS)
l10n_util::GetStringUTF16(IDS_NACL_PLUGIN_BLOCKED));
#else
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
#endif
break;
}
}
#endif // BUILDFLAG(ENABLE_NACL) && BUILDFLAG(ENABLE_EXTENSIONS)
// Report PDF load metrics. Since the PDF plugin is comprised of an
// extension that loads a second plugin, avoid double counting by
// ignoring the creation of the second plugin.
if (info.name ==
ASCIIToUTF16(ChromeContentClient::kPDFExtensionPluginName) &&
GURL(frame->GetDocument().Url()).host_piece() !=
extension_misc::kPdfExtensionId) {
bool is_main_frame_plugin_document =
render_frame->IsMainFrame() &&
render_frame->GetWebFrame()->GetDocument().IsPluginDocument();
ReportPDFLoadStatus(
is_main_frame_plugin_document
? PDFLoadStatus::kLoadedFullPagePdfWithPdfium
: PDFLoadStatus::kLoadedEmbeddedPdfWithPdfium);
}
// Delay loading plugins if prerendering.
// TODO(mmenke): In the case of prerendering, feed into
// ChromeContentRendererClient::CreatePlugin instead, to
// reduce the chance of future regressions.
bool is_prerendering =
prerender::PrerenderHelper::IsPrerendering(render_frame);
bool power_saver_setting_on =
status == chrome::mojom::PluginStatus::kPlayImportantContent;
PowerSaverInfo power_saver_info =
PowerSaverInfo::Get(render_frame, power_saver_setting_on, params,
info, frame->GetDocument().Url());
if (power_saver_info.blocked_for_background_tab || is_prerendering ||
!power_saver_info.poster_attribute.empty() ||
power_saver_info.power_saver_enabled) {
placeholder = ChromePluginPlaceholder::CreateBlockedPlugin(
render_frame, params, info, identifier, group_name,
power_saver_info.poster_attribute.empty()
? IDR_BLOCKED_PLUGIN_HTML
: IDR_PLUGIN_POSTER_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name),
power_saver_info);
placeholder->set_blocked_for_prerendering(is_prerendering);
// Because we can't determine the size of a plugin until it loads,
// all plugins are treated as tiny until proven otherwise.
placeholder->set_blocked_for_tinyness(
power_saver_info.power_saver_enabled);
placeholder->AllowLoading();
break;
}
// Skip the placeholder for non-Flash plugins or if Plugin Power Saver
// is disabled for testing.
return render_frame->CreatePlugin(info, params, nullptr);
}
case chrome::mojom::PluginStatus::kDisabled: {
PluginUMAReporter::GetInstance()->ReportPluginDisabled(orig_mime_type,
url);
if (info.name ==
ASCIIToUTF16(ChromeContentClient::kPDFExtensionPluginName)) {
ReportPDFLoadStatus(
PDFLoadStatus::kShowedDisabledPluginPlaceholderForEmbeddedPdf);
if (base::FeatureList::IsEnabled(
features::kClickToOpenPDFPlaceholder)) {
return PDFPluginPlaceholder::CreatePDFPlaceholder(render_frame,
params)
->plugin();
}
}
placeholder = create_blocked_plugin(
IDR_DISABLED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_DISABLED, group_name));
break;
}
case chrome::mojom::PluginStatus::kFlashHiddenPreferHtml: {
placeholder = create_blocked_plugin(
IDR_PREFER_HTML_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_PREFER_HTML_BY_DEFAULT,
group_name));
break;
}
case chrome::mojom::PluginStatus::kOutdatedBlocked: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
placeholder->AllowLoading();
chrome::mojom::PluginHostAssociatedPtr plugin_host;
render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
&plugin_host);
plugin_host->BlockedOutdatedPlugin(placeholder->BindPluginRenderer(),
identifier);
break;
}
case chrome::mojom::PluginStatus::kOutdatedDisallowed: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
break;
}
case chrome::mojom::PluginStatus::kUnauthorized: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_NOT_AUTHORIZED, group_name));
placeholder->AllowLoading();
chrome::mojom::PluginAuthHostAssociatedPtr plugin_auth_host;
render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
&plugin_auth_host);
plugin_auth_host->BlockedUnauthorizedPlugin(group_name, identifier);
observer->DidBlockContentType(content_type, group_name);
break;
}
case chrome::mojom::PluginStatus::kBlocked: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED, group_name));
placeholder->AllowLoading();
RenderThread::Get()->RecordAction(UserMetricsAction("Plugin_Blocked"));
observer->DidBlockContentType(content_type, group_name);
break;
}
case chrome::mojom::PluginStatus::kBlockedByPolicy: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_BY_POLICY,
group_name));
RenderThread::Get()->RecordAction(
UserMetricsAction("Plugin_BlockedByPolicy"));
observer->DidBlockContentType(content_type, group_name);
break;
}
case chrome::mojom::PluginStatus::kBlockedNoLoading: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_BLOCKED_NO_LOADING,
group_name));
observer->DidBlockContentType(content_type, group_name);
break;
}
case chrome::mojom::PluginStatus::kComponentUpdateRequired: {
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_OUTDATED, group_name));
placeholder->AllowLoading();
chrome::mojom::PluginHostAssociatedPtr plugin_host;
render_frame->GetRemoteAssociatedInterfaces()->GetInterface(
&plugin_host);
plugin_host->BlockedComponentUpdatedPlugin(
placeholder->BindPluginRenderer(), identifier);
break;
}
case chrome::mojom::PluginStatus::kRestartRequired: {
#if defined(OS_LINUX)
placeholder = create_blocked_plugin(
IDR_BLOCKED_PLUGIN_HTML,
l10n_util::GetStringFUTF16(IDS_PLUGIN_RESTART_REQUIRED,
group_name));
#endif
break;
}
}
}
placeholder->SetStatus(status);
return placeholder->plugin();
}
#endif // BUILDFLAG(ENABLE_PLUGINS)
// For NaCl content handling plugins, the NaCl manifest is stored in an
// additonal 'nacl' param associated with the MIME type.
// static
GURL ChromeContentRendererClient::GetNaClContentHandlerURL(
const std::string& actual_mime_type,
const content::WebPluginInfo& plugin) {
// Look for the manifest URL among the MIME type's additonal parameters.
const char kNaClPluginManifestAttribute[] = "nacl";
base::string16 nacl_attr = ASCIIToUTF16(kNaClPluginManifestAttribute);
for (size_t i = 0; i < plugin.mime_types.size(); ++i) {
if (plugin.mime_types[i].mime_type == actual_mime_type) {
for (const auto& p : plugin.mime_types[i].additional_params) {
if (p.name == nacl_attr)
return GURL(p.value);
}
break;
}
}
return GURL();
}
void ChromeContentRendererClient::OnBindInterface(
const service_manager::BindSourceInfo& remote_info,
const std::string& name,
mojo::ScopedMessagePipeHandle handle) {
registry_.TryBindInterface(name, &handle);
}
void ChromeContentRendererClient::GetInterface(
const std::string& interface_name,
mojo::ScopedMessagePipeHandle interface_pipe) {
service_binding_.GetConnector()->BindInterface(
service_manager::ServiceFilter::ByName(chrome::mojom::kServiceName),
interface_name, std::move(interface_pipe));
}
#if BUILDFLAG(ENABLE_NACL)
// static
bool ChromeContentRendererClient::IsNaClAllowed(
const GURL& manifest_url,
const GURL& app_url,
bool is_nacl_unrestricted,
const Extension* extension,
WebPluginParams* params) {
// Temporarily allow these whitelisted apps to use NaCl.
bool is_invoked_by_webstore_installed_extension = false;
bool is_extension_unrestricted = false;
bool is_extension_force_installed = false;
#if BUILDFLAG(ENABLE_EXTENSIONS)
bool is_extension_from_webstore = extension && extension->from_webstore();
bool is_invoked_by_extension = app_url.SchemeIs(extensions::kExtensionScheme);
bool is_invoked_by_hosted_app = extension &&
extension->is_hosted_app() &&
extension->web_extent().MatchesURL(app_url);
is_invoked_by_webstore_installed_extension = is_extension_from_webstore &&
(is_invoked_by_extension || is_invoked_by_hosted_app);
// Allow built-in extensions and developer mode extensions.
is_extension_unrestricted = extension &&
(extensions::Manifest::IsUnpackedLocation(extension->location()) ||
extensions::Manifest::IsComponentLocation(extension->location()));
// Allow extensions force installed by admin policy.
is_extension_force_installed = extension &&
extensions::Manifest::IsPolicyLocation(extension->location());
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
// Allow NaCl under any of the following circumstances:
// 1) An app or URL is explictly whitelisted above.
// 2) An extension is loaded unpacked or built-in (component) to Chrome.
// 3) An extension is force installed by policy.
// 4) An extension is installed from the webstore, and invoked in that
// context (hosted app URL or chrome-extension:// scheme).
// 5) --enable-nacl is set.
bool is_nacl_allowed_by_location =
AppCategorizer::IsWhitelistedApp(manifest_url, app_url) ||
is_extension_unrestricted ||
is_extension_force_installed ||
is_invoked_by_webstore_installed_extension;
bool is_nacl_allowed = is_nacl_allowed_by_location || is_nacl_unrestricted;
return is_nacl_allowed;
}
#endif // BUILDFLAG(ENABLE_NACL)
bool ChromeContentRendererClient::HasErrorPage(int http_status_code) {
// Use an internal error page, if we have one for the status code.
return error_page::LocalizedError::HasStrings(
error_page::Error::kHttpErrorDomain, http_status_code);
}
bool ChromeContentRendererClient::ShouldSuppressErrorPage(
content::RenderFrame* render_frame,
const GURL& url) {
// Unit tests for ChromeContentRendererClient pass a NULL RenderFrame here.
// Unfortunately it's very difficult to construct a mock RenderView, so skip
// this functionality in this case.
if (render_frame &&
NetErrorHelper::Get(render_frame)->ShouldSuppressErrorPage(url)) {
return true;
}
// Do not flash an error page if the Instant new tab page fails to load.
bool is_instant_ntp = false;
#if !defined(OS_ANDROID)
is_instant_ntp = SearchBouncer::GetInstance()->IsNewTabPage(url);
#endif
return is_instant_ntp;
}
bool ChromeContentRendererClient::ShouldTrackUseCounter(const GURL& url) {
bool is_instant_ntp = false;
#if !defined(OS_ANDROID)
is_instant_ntp = SearchBouncer::GetInstance()->IsNewTabPage(url);
#endif
return !is_instant_ntp;
}
void ChromeContentRendererClient::PrepareErrorPage(
content::RenderFrame* render_frame,
const blink::WebURLError& web_error,
const std::string& http_method,
bool ignoring_cache,
std::string* error_html) {
NetErrorHelper::Get(render_frame)
->PrepareErrorPage(
error_page::Error::NetError(web_error.url(), web_error.reason(),
web_error.has_copy_in_cache()),
http_method == "POST", ignoring_cache, error_html);
}
void ChromeContentRendererClient::PrepareErrorPageForHttpStatusError(
content::RenderFrame* render_frame,
const GURL& unreachable_url,
const std::string& http_method,
bool ignoring_cache,
int http_status,
std::string* error_html) {
NetErrorHelper::Get(render_frame)
->PrepareErrorPage(
error_page::Error::HttpError(unreachable_url, http_status),
http_method == "POST", ignoring_cache, error_html);
}
void ChromeContentRendererClient::GetErrorDescription(
const blink::WebURLError& web_error,
const std::string& http_method,
base::string16* error_description) {
error_page::Error error = error_page::Error::NetError(
web_error.url(), web_error.reason(), web_error.has_copy_in_cache());
if (error_description) {
*error_description = error_page::LocalizedError::GetErrorDetails(
error.domain(), error.reason(), http_method == "POST");
}
}
void ChromeContentRendererClient::PostIOThreadCreated(
base::SingleThreadTaskRunner* io_thread_task_runner) {
io_thread_task_runner->PostTask(
FROM_HERE, base::BindOnce(&ThreadProfiler::StartOnChildThread,
metrics::CallStackProfileParams::IO_THREAD));
}
void ChromeContentRendererClient::PostCompositorThreadCreated(
base::SingleThreadTaskRunner* compositor_thread_task_runner) {
compositor_thread_task_runner->PostTask(
FROM_HERE,
base::BindOnce(&ThreadProfiler::StartOnChildThread,
metrics::CallStackProfileParams::COMPOSITOR_THREAD));
}
bool ChromeContentRendererClient::RunIdleHandlerWhenWidgetsHidden() {
return !IsStandaloneContentExtensionProcess();
}
bool ChromeContentRendererClient::AllowPopup() {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeExtensionsRendererClient::GetInstance()->AllowPopup();
#else
return false;
#endif
}
bool ChromeContentRendererClient::ShouldFork(WebLocalFrame* frame,
const GURL& url,
const std::string& http_method,
bool is_initial_navigation,
bool is_server_redirect) {
DCHECK(!frame->Parent());
#if !defined(OS_ANDROID)
// If this is the Instant process, fork all navigations originating from the
// renderer. The destination page will then be bucketed back to this Instant
// process if it is an Instant url, or to another process if not. Conversely,
// fork if this is a non-Instant process navigating to an Instant url, so that
// such navigations can also be bucketed into an Instant renderer.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kInstantProcess) ||
SearchBouncer::GetInstance()->ShouldFork(url)) {
return true;
}
#endif
// TODO(lukasza): https://crbug.com/650694: For now, we skip the rest for POST
// submissions. This is because 1) in M54 there are some remaining issues
// with POST in OpenURL path (e.g. https://crbug.com/648648) and 2) OpenURL
// path regresses (blocks) navigations that result in downloads
// (https://crbug.com/646261). In the long-term we should avoid forking for
// extensions (not hosted apps though) altogether and rely on transfers logic
// instead.
if (http_method != "GET")
return false;
// If |url| matches one of the prerendered URLs, stop this navigation and try
// to swap in the prerendered page on the browser process. If the prerendered
// page no longer exists by the time the OpenURL IPC is handled, a normal
// navigation is attempted.
if (prerender_dispatcher_.get() &&
prerender_dispatcher_->IsPrerenderURL(url)) {
return true;
}
#if BUILDFLAG(ENABLE_EXTENSIONS)
bool should_fork = ChromeExtensionsRendererClient::ShouldFork(
frame, url, is_initial_navigation, is_server_redirect);
if (should_fork)
return true;
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
return false;
}
void ChromeContentRendererClient::WillSendRequest(
WebLocalFrame* frame,
ui::PageTransition transition_type,
const blink::WebURL& url,
const url::Origin* initiator_origin,
GURL* new_url,
bool* attach_same_site_cookies) {
// Check whether the request should be allowed. If not allowed, we reset the
// URL to something invalid to prevent the request and cause an error.
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->WillSendRequest(
frame, transition_type, url, initiator_origin, new_url,
attach_same_site_cookies);
if (!new_url->is_empty())
return;
#endif
if (!url.ProtocolIs(chrome::kChromeSearchScheme))
return;
#if !defined(OS_ANDROID)
SearchBox* search_box =
SearchBox::Get(content::RenderFrame::FromWebFrame(frame->LocalRoot()));
if (search_box) {
// Note: this GURL copy could be avoided if host() were added to WebURL.
GURL gurl(url);
if (gurl.host_piece() == chrome::kChromeUIFaviconHost)
search_box->GenerateImageURLFromTransientURL(url, new_url);
}
#endif // !defined(OS_ANDROID)
}
bool ChromeContentRendererClient::IsPrefetchOnly(
content::RenderFrame* render_frame,
const blink::WebURLRequest& request) {
return prerender::PrerenderHelper::GetPrerenderMode(render_frame) ==
prerender::PREFETCH_ONLY;
}
unsigned long long ChromeContentRendererClient::VisitedLinkHash(
const char* canonical_url, size_t length) {
return chrome_observer_->visited_link_slave()->ComputeURLFingerprint(
canonical_url, length);
}
bool ChromeContentRendererClient::IsLinkVisited(unsigned long long link_hash) {
return chrome_observer_->visited_link_slave()->IsVisited(link_hash);
}
blink::WebPrescientNetworking*
ChromeContentRendererClient::GetPrescientNetworking() {
return prescient_networking_dispatcher_.get();
}
bool ChromeContentRendererClient::IsPrerenderingFrame(
const content::RenderFrame* render_frame) {
return prerender::PrerenderHelper::IsPrerendering(render_frame);
}
bool ChromeContentRendererClient::IsExternalPepperPlugin(
const std::string& module_name) {
// TODO(bbudge) remove this when the trusted NaCl plugin has been removed.
// We must defer certain plugin events for NaCl instances since we switch
// from the in-process to the out-of-process proxy after instantiating them.
return module_name == "Native Client";
}
bool ChromeContentRendererClient::IsOriginIsolatedPepperPlugin(
const base::FilePath& plugin_path) {
return plugin_path.value() == ChromeContentClient::kPDFPluginPath;
}
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
bool ChromeContentRendererClient::IsExtensionOrSharedModuleWhitelisted(
const GURL& url,
const std::set<std::string>& whitelist) {
const extensions::ExtensionSet* extension_set =
extensions::RendererExtensionRegistry::Get()->GetMainThreadExtensionSet();
return ::IsExtensionOrSharedModuleWhitelisted(url, extension_set, whitelist);
}
#endif
#if BUILDFLAG(ENABLE_SPELLCHECK)
void ChromeContentRendererClient::InitSpellCheck() {
spellcheck_ = std::make_unique<SpellCheck>(&registry_, this);
}
#endif
std::unique_ptr<content::WebSocketHandshakeThrottleProvider>
ChromeContentRendererClient::CreateWebSocketHandshakeThrottleProvider() {
return std::make_unique<WebSocketHandshakeThrottleProviderImpl>();
}
std::unique_ptr<blink::WebSpeechSynthesizer>
ChromeContentRendererClient::OverrideSpeechSynthesizer(
blink::WebSpeechSynthesizerClient* client) {
return std::make_unique<TtsDispatcher>(client);
}
void ChromeContentRendererClient::AddSupportedKeySystems(
std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
key_systems_provider_.AddSupportedKeySystems(key_systems);
}
bool ChromeContentRendererClient::IsKeySystemsUpdateNeeded() {
return key_systems_provider_.IsKeySystemsUpdateNeeded();
}
bool ChromeContentRendererClient::ShouldReportDetailedMessageForSource(
const base::string16& source) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return extensions::IsSourceFromAnExtension(source);
#else
return false;
#endif
}
std::unique_ptr<blink::WebContentSettingsClient>
ChromeContentRendererClient::CreateWorkerContentSettingsClient(
content::RenderFrame* render_frame) {
return std::make_unique<WorkerContentSettingsClient>(render_frame);
}
bool ChromeContentRendererClient::IsPluginAllowedToUseDevChannelAPIs() {
#if BUILDFLAG(ENABLE_PLUGINS)
// Allow access for tests.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnablePepperTesting)) {
return true;
}
version_info::Channel channel = chrome::GetChannel();
// Allow dev channel APIs to be used on "Canary", "Dev", and "Unknown"
// releases of Chrome. Permitting "Unknown" allows these APIs to be used on
// Chromium builds as well.
return channel <= version_info::Channel::DEV;
#else
return false;
#endif
}
bool ChromeContentRendererClient::IsPluginAllowedToUseCameraDeviceAPI(
const GURL& url) {
#if BUILDFLAG(ENABLE_PLUGINS) && BUILDFLAG(ENABLE_EXTENSIONS)
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kEnablePepperTesting))
return true;
if (IsExtensionOrSharedModuleWhitelisted(url, allowed_camera_device_origins_))
return true;
#endif
return false;
}
content::BrowserPluginDelegate*
ChromeContentRendererClient::CreateBrowserPluginDelegate(
content::RenderFrame* render_frame,
const content::WebPluginInfo& info,
const std::string& mime_type,
const GURL& original_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeExtensionsRendererClient::CreateBrowserPluginDelegate(
render_frame, info, mime_type, original_url);
#else
return nullptr;
#endif
}
void ChromeContentRendererClient::RecordRappor(const std::string& metric,
const std::string& sample) {
if (!rappor_recorder_) {
RenderThread::Get()->GetConnector()->BindInterface(
content::mojom::kBrowserServiceName, &rappor_recorder_);
}
rappor_recorder_->RecordRappor(metric, sample);
}
void ChromeContentRendererClient::RecordRapporURL(const std::string& metric,
const GURL& url) {
if (!rappor_recorder_) {
RenderThread::Get()->GetConnector()->BindInterface(
content::mojom::kBrowserServiceName, &rappor_recorder_);
}
rappor_recorder_->RecordRapporURL(metric, url);
}
void ChromeContentRendererClient::AddImageContextMenuProperties(
const WebURLResponse& response,
bool is_image_in_context_a_placeholder_image,
std::map<std::string, std::string>* properties) {
DCHECK(properties);
WebString cpct_value = response.HttpHeaderField(WebString::FromASCII(
data_reduction_proxy::chrome_proxy_content_transform_header()));
WebString chrome_proxy_value = response.HttpHeaderField(
WebString::FromASCII(data_reduction_proxy::chrome_proxy_header()));
if (is_image_in_context_a_placeholder_image ||
data_reduction_proxy::IsEmptyImagePreview(cpct_value.Utf8(),
chrome_proxy_value.Utf8())) {
(*properties)
[data_reduction_proxy::chrome_proxy_content_transform_header()] =
data_reduction_proxy::empty_image_directive();
}
}
void ChromeContentRendererClient::RunScriptsAtDocumentStart(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RunScriptsAtDocumentStart(
render_frame);
// |render_frame| might be dead by now.
#endif
}
void ChromeContentRendererClient::RunScriptsAtDocumentEnd(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RunScriptsAtDocumentEnd(
render_frame);
// |render_frame| might be dead by now.
#endif
}
void ChromeContentRendererClient::RunScriptsAtDocumentIdle(
content::RenderFrame* render_frame) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()->RunScriptsAtDocumentIdle(
render_frame);
// |render_frame| might be dead by now.
#endif
}
void ChromeContentRendererClient::
SetRuntimeFeaturesDefaultsBeforeBlinkInitialization() {
// Web Share is shipped on Android, experimental otherwise. It is enabled here,
// in chrome/, to avoid it being made available in other clients of content/
// that do not have a Web Share Mojo implementation.
#if defined(OS_ANDROID)
blink::WebRuntimeFeatures::EnableWebShare(true);
#endif
if (base::FeatureList::IsEnabled(subresource_filter::kAdTagging))
blink::WebRuntimeFeatures::EnableAdTagging(true);
}
void ChromeContentRendererClient::
DidInitializeServiceWorkerContextOnWorkerThread(
v8::Local<v8::Context> context,
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
ChromeExtensionsRendererClient::GetInstance()
->extension_dispatcher()
->DidInitializeServiceWorkerContextOnWorkerThread(
context, service_worker_version_id, service_worker_scope, script_url);
#endif
}
void ChromeContentRendererClient::DidStartServiceWorkerContextOnWorkerThread(
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::Dispatcher::DidStartServiceWorkerContextOnWorkerThread(
service_worker_version_id, service_worker_scope, script_url);
#endif
}
void ChromeContentRendererClient::WillDestroyServiceWorkerContextOnWorkerThread(
v8::Local<v8::Context> context,
int64_t service_worker_version_id,
const GURL& service_worker_scope,
const GURL& script_url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::Dispatcher::WillDestroyServiceWorkerContextOnWorkerThread(
context, service_worker_version_id, service_worker_scope, script_url);
#endif
}
bool ChromeContentRendererClient::IsExcludedHeaderForServiceWorkerFetchEvent(
const std::string& header_name) {
return header_name == variations::kClientDataHeader;
}
// If we're in an extension, there is no need disabling multiple routes as
// chrome.system.network.getNetworkInterfaces provides the same
// information. Also, the enforcement of sending and binding UDP is already done
// by chrome extension permission model.
bool ChromeContentRendererClient::ShouldEnforceWebRTCRoutingPreferences() {
return !IsStandaloneContentExtensionProcess();
}
GURL ChromeContentRendererClient::OverrideFlashEmbedWithHTML(const GURL& url) {
if (!url.is_valid())
return GURL();
return FlashEmbedRewrite::RewriteFlashEmbedURL(url);
}
std::unique_ptr<base::TaskScheduler::InitParams>
ChromeContentRendererClient::GetTaskSchedulerInitParams() {
return task_scheduler_util::GetTaskSchedulerInitParamsForRenderer();
}
bool ChromeContentRendererClient::OverrideLegacySymantecCertConsoleMessage(
const GURL& url,
std::string* console_message) {
*console_message = base::StringPrintf(
"The SSL certificate used to load resources from %s"
" will be distrusted very soon. Once distrusted, users will be prevented"
" from loading these resources. See https://g.co/chrome/symantecpkicerts"
" for more information.",
url::Origin::Create(url).Serialize().c_str());
return true;
}
void ChromeContentRendererClient::CreateRendererService(
service_manager::mojom::ServiceRequest service_request) {
DCHECK(!service_binding_.is_bound());
service_binding_.Bind(std::move(service_request));
}
service_manager::Connector* ChromeContentRendererClient::GetConnector() {
return service_binding_.GetConnector();
}
std::unique_ptr<content::URLLoaderThrottleProvider>
ChromeContentRendererClient::CreateURLLoaderThrottleProvider(
content::URLLoaderThrottleProviderType provider_type) {
return std::make_unique<URLLoaderThrottleProviderImpl>(provider_type, this);
}
blink::WebFrame* ChromeContentRendererClient::FindFrame(
blink::WebLocalFrame* relative_to_frame,
const std::string& name) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return ChromeExtensionsRendererClient::FindFrame(relative_to_frame, name);
#else
return nullptr;
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
}
bool ChromeContentRendererClient::IsSafeRedirectTarget(const GURL& url) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (url.SchemeIs(extensions::kExtensionScheme)) {
const extensions::Extension* extension =
extensions::RendererExtensionRegistry::Get()->GetByID(url.host());
if (!extension)
return false;
return extensions::WebAccessibleResourcesInfo::IsResourceWebAccessible(
extension, url.path());
}
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
return true;
}
void ChromeContentRendererClient::DidSetUserAgent(
const std::string& user_agent) {
#if BUILDFLAG(ENABLE_PRINTING)
printing::SetAgent(user_agent);
#endif
}